From 8436c7c30b595f13400172f9caadb116d214bc4f Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Mon, 24 Jun 2024 13:05:04 +0200 Subject: [PATCH 01/48] Editor: Remove reference to `targetInverse`. (#28721) --- editor/js/Sidebar.Object.js | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/editor/js/Sidebar.Object.js b/editor/js/Sidebar.Object.js index 183c78a1b275f4..18f4469133c3c3 100644 --- a/editor/js/Sidebar.Object.js +++ b/editor/js/Sidebar.Object.js @@ -697,8 +697,7 @@ function SidebarObject( editor ) { function updateTransformRows( object ) { - if ( object.isLight || - ( object.isObject3D && object.userData.targetInverse ) ) { + if ( object.isLight ) { objectRotationRow.setDisplay( 'none' ); objectScaleRow.setDisplay( 'none' ); From 43d276ec5aaf032614ad77d6f8211806618ba4a1 Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Mon, 24 Jun 2024 15:46:51 +0200 Subject: [PATCH 02/48] Addons: Add `SobelOperatorNode`. (#28733) * Addons: Add `SobelOperatorNode`. * E2E: Update screenshot. * SobelOperatorNode: Add comment. --- examples/files.json | 1 + examples/jsm/nodes/Nodes.js | 1 + .../jsm/nodes/display/SobelOperatorNode.js | 120 ++++++++++++++++ .../webgpu_postprocessing_sobel.jpg | Bin 0 -> 16766 bytes examples/webgpu_postprocessing_sobel.html | 129 ++++++++++++++++++ 5 files changed, 251 insertions(+) create mode 100644 examples/jsm/nodes/display/SobelOperatorNode.js create mode 100644 examples/screenshots/webgpu_postprocessing_sobel.jpg create mode 100644 examples/webgpu_postprocessing_sobel.html diff --git a/examples/files.json b/examples/files.json index b6b77026b55109..c9255e0856af12 100644 --- a/examples/files.json +++ b/examples/files.json @@ -369,6 +369,7 @@ "webgpu_portal", "webgpu_postprocessing_afterimage", "webgpu_postprocessing_anamorphic", + "webgpu_postprocessing_sobel", "webgpu_reflection", "webgpu_rtt", "webgpu_sandbox", diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index 19261040d1bcef..5eb1231e94ae3b 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -125,6 +125,7 @@ export { default as ViewportDepthNode, viewZToOrthographicDepth, orthographicDep export { default as GaussianBlurNode, gaussianBlur } from './display/GaussianBlurNode.js'; export { default as AfterImageNode, afterImage } from './display/AfterImageNode.js'; export { default as AnamorphicNode, anamorphic } from './display/AnamorphicNode.js'; +export { default as SobelOperatorNode, sobel } from './display/SobelOperatorNode.js'; export { default as PassNode, pass, texturePass, depthPass } from './display/PassNode.js'; diff --git a/examples/jsm/nodes/display/SobelOperatorNode.js b/examples/jsm/nodes/display/SobelOperatorNode.js new file mode 100644 index 00000000000000..4f552e9c4dc38a --- /dev/null +++ b/examples/jsm/nodes/display/SobelOperatorNode.js @@ -0,0 +1,120 @@ +import TempNode from '../core/TempNode.js'; +import { uv } from '../accessors/UVNode.js'; +import { luminance } from './ColorAdjustmentNode.js'; +import { addNodeElement, tslFn, nodeObject, vec2, vec3, vec4, mat3 } from '../shadernode/ShaderNode.js'; +import { NodeUpdateType } from '../core/constants.js'; +import { uniform } from '../core/UniformNode.js'; +import { add } from '../math/OperatorNode.js'; +import { Vector2 } from 'three'; + +class SobelOperatorNode extends TempNode { + + constructor( textureNode ) { + + super(); + + this.textureNode = textureNode; + + this.updateBeforeType = NodeUpdateType.RENDER; + + this._invSize = uniform( new Vector2() ); + + } + + updateBefore() { + + const map = this.textureNode.value; + + this._invSize.value.set( 1 / map.image.width, 1 / map.image.height ); + + } + + setup() { + + const { textureNode } = this; + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => this.textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + + const sobel = tslFn( () => { + + // Sobel Edge Detection (see https://youtu.be/uihBwtPIBxM) + + const texel = this._invSize; + + // kernel definition (in glsl matrices are filled in column-major order) + + const Gx = mat3( - 1, - 2, - 1, 0, 0, 0, 1, 2, 1 ); // x direction kernel + const Gy = mat3( - 1, 0, 1, - 2, 0, 2, - 1, 0, 1 ); // y direction kernel + + // fetch the 3x3 neighbourhood of a fragment + + // first column + + const tx0y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, - 1 ) ) ) ).xyz ); + const tx0y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, 0 ) ) ) ).xyz ); + const tx0y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, 1 ) ) ) ).xyz ); + + // second column + + const tx1y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, - 1 ) ) ) ).xyz ); + const tx1y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, 0 ) ) ) ).xyz ); + const tx1y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, 1 ) ) ) ).xyz ); + + // third column + + const tx2y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, - 1 ) ) ) ).xyz ); + const tx2y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, 0 ) ) ) ).xyz ); + const tx2y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, 1 ) ) ) ).xyz ); + + // gradient value in x direction + + const valueGx = add( + Gx[ 0 ][ 0 ].mul( tx0y0 ), + Gx[ 1 ][ 0 ].mul( tx1y0 ), + Gx[ 2 ][ 0 ].mul( tx2y0 ), + Gx[ 0 ][ 1 ].mul( tx0y1 ), + Gx[ 1 ][ 1 ].mul( tx1y1 ), + Gx[ 2 ][ 1 ].mul( tx2y1 ), + Gx[ 0 ][ 2 ].mul( tx0y2 ), + Gx[ 1 ][ 2 ].mul( tx1y2 ), + Gx[ 2 ][ 2 ].mul( tx2y2 ) + ); + + + // gradient value in y direction + + const valueGy = add( + Gy[ 0 ][ 0 ].mul( tx0y0 ), + Gy[ 1 ][ 0 ].mul( tx1y0 ), + Gy[ 2 ][ 0 ].mul( tx2y0 ), + Gy[ 0 ][ 1 ].mul( tx0y1 ), + Gy[ 1 ][ 1 ].mul( tx1y1 ), + Gy[ 2 ][ 1 ].mul( tx2y1 ), + Gy[ 0 ][ 2 ].mul( tx0y2 ), + Gy[ 1 ][ 2 ].mul( tx1y2 ), + Gy[ 2 ][ 2 ].mul( tx2y2 ) + ); + + // magnitute of the total gradient + + const G = valueGx.mul( valueGx ).add( valueGy.mul( valueGy ) ).sqrt(); + + return vec4( vec3( G ), 1 ); + + } ); + + const outputNode = sobel(); + + return outputNode; + + } + +} + +export const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ) ) ); + +addNodeElement( 'sobel', sobel ); + +export default SobelOperatorNode; diff --git a/examples/screenshots/webgpu_postprocessing_sobel.jpg b/examples/screenshots/webgpu_postprocessing_sobel.jpg new file mode 100644 index 0000000000000000000000000000000000000000..969865ca23c9e8dd5e0101980c874ab7d567a289 GIT binary patch literal 16766 zcmd_RXIN8Rw>G*$fY3t|q(-GGMM02Gzycy7SP@VW=^`K?5Fn5M(mMz!D4?KVp*KM! z^xms}>8JtVVFCU^5}^DOG{QN^-hJ{B&Mnxy5yh=?=fBh!oLvG&3Px%F(zm%0%R901guc>Wn zZfR|6@969r8Xg%P8~-&ixqv4uE-kODuKgzM?C$L!9FqV1g#gh1GzUEYKkNYwhcNup z=dge5fiU=j4=4{K(@7;}Uj3Ue8xOuy%E2uB7n9zXHnK{bzePOu#B-2MKvHEviu8|3 z|6$R;W>Cn#Wzl~b^k4QIO#&QH2smI+9smi@F{?lh1C|Yt{r|!RT0qty8WP}}a02CQ 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z4L|)qbCv%ilIhYgGpKjRTYla6-Rs4{UpBPWfo^4d52Z~_+aZccGI??U4QO*ENfoSSx))BQ?pZuO-L)qEELI66IO@0}99 z+r8c#yejG1ISr^t(u#2NuPp17=8TE#gtR!7$WN}CX9b*vL-c_ywz*%X_!$4Oe4%;g82~Un?|!?*#Wes~oJ0JxZKJAx^Vs|! zP)W+iA5tagY&Fv|L&(i;2aE + + + three.js webgpu - postprocessing - sobel + + + + + + + + + + \ No newline at end of file From 5e7e0f424d99eb8b20d52e86f98e05184bd41615 Mon Sep 17 00:00:00 2001 From: Renaud Rohlinger Date: Mon, 24 Jun 2024 23:38:00 +0900 Subject: [PATCH 03/48] TSL: Add isWebGPU method in the NodeBuilder (#28734) --- examples/jsm/nodes/core/NodeBuilder.js | 6 ++++++ examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js | 6 ++++++ examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js | 6 ++++++ 3 files changed, 18 insertions(+) diff --git a/examples/jsm/nodes/core/NodeBuilder.js b/examples/jsm/nodes/core/NodeBuilder.js index 96b2af785c3bdc..e1f9139cebdf9c 100644 --- a/examples/jsm/nodes/core/NodeBuilder.js +++ b/examples/jsm/nodes/core/NodeBuilder.js @@ -469,6 +469,12 @@ class NodeBuilder { } + isWebGPU() { + + return true; + + } + generateTexture( /* texture, textureProperty, uvSnippet */ ) { console.warn( 'Abstract function.' ); diff --git a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js index 5dde4525d97c90..d3a5200e494e0a 100644 --- a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js +++ b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js @@ -649,6 +649,12 @@ ${ flowData.code } } + isWebGPU() { + + return false; + + } + registerTransform( varyingName, attributeNode ) { this.transforms.push( { varyingName, attributeNode } ); diff --git a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js index d649c66f20b112..2d592ba2450799 100644 --- a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js +++ b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js @@ -627,6 +627,12 @@ ${ flowData.code } } + isWebGPU() { + + return true; + + } + getBuiltins( shaderStage ) { const snippets = []; From fe079efc0f11f63341138b3467e9abe41232d940 Mon Sep 17 00:00:00 2001 From: sunag Date: Mon, 24 Jun 2024 16:47:24 -0300 Subject: [PATCH 04/48] Revert "TSL: Add isWebGPU method in the NodeBuilder (#28734)" (#28735) This reverts commit 5e7e0f424d99eb8b20d52e86f98e05184bd41615. --- examples/jsm/nodes/core/NodeBuilder.js | 6 ------ examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js | 6 ------ examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js | 6 ------ 3 files changed, 18 deletions(-) diff --git a/examples/jsm/nodes/core/NodeBuilder.js b/examples/jsm/nodes/core/NodeBuilder.js index e1f9139cebdf9c..96b2af785c3bdc 100644 --- a/examples/jsm/nodes/core/NodeBuilder.js +++ b/examples/jsm/nodes/core/NodeBuilder.js @@ -469,12 +469,6 @@ class NodeBuilder { } - isWebGPU() { - - return true; - - } - generateTexture( /* texture, textureProperty, uvSnippet */ ) { console.warn( 'Abstract function.' ); diff --git a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js index d3a5200e494e0a..5dde4525d97c90 100644 --- a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js +++ b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js @@ -649,12 +649,6 @@ ${ flowData.code } } - isWebGPU() { - - return false; - - } - registerTransform( varyingName, attributeNode ) { this.transforms.push( { varyingName, attributeNode } ); diff --git a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js index 2d592ba2450799..d649c66f20b112 100644 --- a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js +++ b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js @@ -627,12 +627,6 @@ ${ flowData.code } } - isWebGPU() { - - return true; - - } - getBuiltins( shaderStage ) { const snippets = []; From 1d3c9bd0ac15d39b243b2f5aebfe85b3b33c033d Mon Sep 17 00:00:00 2001 From: sunag Date: Mon, 24 Jun 2024 19:32:03 -0300 Subject: [PATCH 05/48] TSL: PassNode - Revision linearDepth property (#28737) --- examples/jsm/nodes/display/PassNode.js | 16 +++++++++------- examples/webgpu_backdrop_water.html | 4 ++-- examples/webgpu_reflection.html | 2 +- examples/webgpu_skinning_instancing.html | 2 +- 4 files changed, 13 insertions(+), 11 deletions(-) diff --git a/examples/jsm/nodes/display/PassNode.js b/examples/jsm/nodes/display/PassNode.js index acfdd502651ab0..1a8d382be5fc6f 100644 --- a/examples/jsm/nodes/display/PassNode.js +++ b/examples/jsm/nodes/display/PassNode.js @@ -1,6 +1,6 @@ import { addNodeClass } from '../core/Node.js'; import TempNode from '../core/TempNode.js'; -import TextureNode from '../accessors/TextureNode.js'; +import { default as TextureNode/*, texture*/ } from '../accessors/TextureNode.js'; import { NodeUpdateType } from '../core/constants.js'; import { nodeObject } from '../shadernode/ShaderNode.js'; import { uniform } from '../core/UniformNode.js'; @@ -67,7 +67,7 @@ class PassNode extends TempNode { this._textureNode = nodeObject( new PassTextureNode( this, renderTarget.texture ) ); this._depthTextureNode = nodeObject( new PassTextureNode( this, depthTexture ) ); - this._depthNode = null; + this._linearDepthNode = null; this._viewZNode = null; this._cameraNear = uniform( 0 ); this._cameraFar = uniform( 0 ); @@ -109,24 +109,26 @@ class PassNode extends TempNode { } - getDepthNode() { + getLinearDepthNode() { - if ( this._depthNode === null ) { + if ( this._linearDepthNode === null ) { const cameraNear = this._cameraNear; const cameraFar = this._cameraFar; - this._depthNode = viewZToOrthographicDepth( this.getViewZNode(), cameraNear, cameraFar ); + // TODO: just if ( builder.camera.isPerspectiveCamera ) + + this._linearDepthNode = viewZToOrthographicDepth( this.getViewZNode(), cameraNear, cameraFar ); } - return this._depthNode; + return this._linearDepthNode; } setup() { - return this.scope === PassNode.COLOR ? this.getTextureNode() : this.getDepthNode(); + return this.scope === PassNode.COLOR ? this.getTextureNode() : this.getLinearDepthNode(); } diff --git a/examples/webgpu_backdrop_water.html b/examples/webgpu_backdrop_water.html index 828234e3e95c8b..dacfa55296bbf3 100644 --- a/examples/webgpu_backdrop_water.html +++ b/examples/webgpu_backdrop_water.html @@ -233,12 +233,12 @@ const scenePass = pass( scene, camera ); const scenePassColor = scenePass.getTextureNode(); - const scenePassDepth = scenePass.getDepthNode().remapClamp( .3, .5 ); + const scenePassDepth = scenePass.getLinearDepthNode().remapClamp( .3, .5 ); const waterMask = objectPosition( camera ).y.greaterThan( 0 ); const scenePassColorBlurred = scenePassColor.gaussianBlur(); - scenePassColorBlurred.directionNode = waterMask.cond( scenePassDepth, scenePass.getDepthNode().mul( 5 ) ); + scenePassColorBlurred.directionNode = waterMask.cond( scenePassDepth, scenePass.getLinearDepthNode().mul( 5 ) ); const vignet = viewportTopLeft.distance( .5 ).mul( 1.35 ).clamp().oneMinus(); diff --git a/examples/webgpu_reflection.html b/examples/webgpu_reflection.html index 7d7675321e05d8..fc8dcb0feafadf 100644 --- a/examples/webgpu_reflection.html +++ b/examples/webgpu_reflection.html @@ -160,7 +160,7 @@ const scenePass = pass( scene, camera ); const scenePassColor = scenePass.getTextureNode(); - const scenePassDepth = scenePass.getDepthNode().remapClamp( .3, .5 ); + const scenePassDepth = scenePass.getLinearDepthNode().remapClamp( .3, .5 ); const scenePassColorBlurred = scenePassColor.gaussianBlur(); scenePassColorBlurred.directionNode = scenePassDepth; diff --git a/examples/webgpu_skinning_instancing.html b/examples/webgpu_skinning_instancing.html index 13d208cead37ad..7dd7d96ac24b31 100644 --- a/examples/webgpu_skinning_instancing.html +++ b/examples/webgpu_skinning_instancing.html @@ -144,7 +144,7 @@ const scenePass = pass( scene, camera ); const scenePassColor = scenePass.getTextureNode(); - const scenePassDepth = scenePass.getDepthNode().remapClamp( .15, .3 ); + const scenePassDepth = scenePass.getLinearDepthNode().remapClamp( .15, .3 ); const scenePassColorBlurred = scenePassColor.gaussianBlur(); scenePassColorBlurred.directionNode = scenePassDepth; From 4feb1372ea3bd32d33a9a03c2f58ff225a07f5d2 Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Tue, 25 Jun 2024 10:11:05 +0200 Subject: [PATCH 06/48] Addons: Add `DepthOfFieldNode`. (#28740) * Addons: Add `DepthOfFieldNode`. * DepthOfFieldNode: Fix runtime error. * E2E: Update screenshot. * Examples: Align code to previous demo. * Examples: Use instancing in DOF demo. --- examples/files.json | 1 + examples/jsm/nodes/Nodes.js | 1 + .../jsm/nodes/display/DepthOfFieldNode.js | 119 ++++++++++ .../screenshots/webgpu_postprocessing_dof.jpg | Bin 0 -> 43834 bytes examples/webgpu_postprocessing_dof.html | 218 ++++++++++++++++++ 5 files changed, 339 insertions(+) create mode 100644 examples/jsm/nodes/display/DepthOfFieldNode.js create mode 100644 examples/screenshots/webgpu_postprocessing_dof.jpg create mode 100644 examples/webgpu_postprocessing_dof.html diff --git a/examples/files.json b/examples/files.json index c9255e0856af12..1b75270a2fd1f8 100644 --- a/examples/files.json +++ b/examples/files.json @@ -369,6 +369,7 @@ "webgpu_portal", "webgpu_postprocessing_afterimage", "webgpu_postprocessing_anamorphic", + "webgpu_postprocessing_dof", "webgpu_postprocessing_sobel", "webgpu_reflection", "webgpu_rtt", diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index 5eb1231e94ae3b..cfccddbea2c181 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -126,6 +126,7 @@ export { default as GaussianBlurNode, gaussianBlur } from './display/GaussianBlu export { default as AfterImageNode, afterImage } from './display/AfterImageNode.js'; export { default as AnamorphicNode, anamorphic } from './display/AnamorphicNode.js'; export { default as SobelOperatorNode, sobel } from './display/SobelOperatorNode.js'; +export { default as DepthOfFieldNode, dof } from './display/DepthOfFieldNode.js'; export { default as PassNode, pass, texturePass, depthPass } from './display/PassNode.js'; diff --git a/examples/jsm/nodes/display/DepthOfFieldNode.js b/examples/jsm/nodes/display/DepthOfFieldNode.js new file mode 100644 index 00000000000000..690a8b495d4f5a --- /dev/null +++ b/examples/jsm/nodes/display/DepthOfFieldNode.js @@ -0,0 +1,119 @@ +import TempNode from '../core/TempNode.js'; +import { uv } from '../accessors/UVNode.js'; +import { addNodeElement, tslFn, nodeObject, vec2, vec4 } from '../shadernode/ShaderNode.js'; +import { NodeUpdateType } from '../core/constants.js'; +import { uniform } from '../core/UniformNode.js'; +import { clamp } from '../math/MathNode.js'; + +class DepthOfFieldNode extends TempNode { + + constructor( textureNode, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) { + + super(); + + this.textureNode = textureNode; + this.viewZNode = viewZNode; + + this.focus = uniform( focus ); + this.aperture = uniform( aperture ); + this.maxblur = uniform( maxblur ); + this._aspect = uniform( 0 ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + updateBefore() { + + const map = this.textureNode.value; + + this._aspect.value = map.image.width / map.image.height; + + } + + setup() { + + const { textureNode } = this; + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => this.textureNode.uv( uv ); + + const dof = tslFn( () => { + + const aspectcorrect = vec2( 1.0, this._aspect ); + + const factor = this.focus.add( this.viewZNode ); + + const dofblur = vec2( clamp( factor.mul( this.aperture ), this.maxblur.negate(), this.maxblur ) ); + + const dofblur9 = dofblur.mul( 0.9 ); + const dofblur7 = dofblur.mul( 0.7 ); + const dofblur4 = dofblur.mul( 0.4 ); + + let col = vec4( 0.0 ); + + col = col.add( sampleTexture( uvNode ) ); + + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.40, 0.0 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.40, 0.0 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + + col = col.div( 41 ); + col.a = 1; + + return vec4( col ); + + + } ); + + const outputNode = dof(); + + return outputNode; + + } + +} + +export const dof = ( node, viewZNode, focus, apeture, maxblur ) => nodeObject( new DepthOfFieldNode( nodeObject( node ), nodeObject( viewZNode ), focus, apeture, maxblur ) ); + +addNodeElement( 'dof', dof ); + +export default DepthOfFieldNode; diff --git a/examples/screenshots/webgpu_postprocessing_dof.jpg b/examples/screenshots/webgpu_postprocessing_dof.jpg new file mode 100644 index 0000000000000000000000000000000000000000..82ac9a5045ff49a1622d066576d5d145d6467df2 GIT binary patch literal 43834 zcmbUHWl&tt7d4DRf&>o%f^w^0-{tW8|`^Qska;zuh*iXr^AA7M2{$a%ZKhXXG{l9_z zb^!Q3n6ApH!)=$b{CND z79oYrM(1G@diUu*L8O97Y#PLYupMCUmu^p;SEsr|9?Y{xVH`iC^5}w_HW$*vMHt`g zAJx%|#b}FLx;iuiYV@LSc!>iUK2h!u?q~RTk5D|P#!HS~R4j&#HP7ddo$qxlQs^F=TzYw5Z?+mphWR2qV}f33-J}W&N&w8qVhAL_=sy2~7Uj zcC1&(v4ipFrrl;$`;obZGWVA6Ztp4SoI=^WQ8%SH9&q#SX0|Zu5z7|Q=xNAYxaB)o z-7}TEXu;?SGq29lZ8PRH{vgdg-L1&k!W7%9sAHkbEJQvlAu`T!;2-@%iODE8;&;;2 zxH1ABdPiM?Y0xy{rWsv&IQ!&^Ya@Zk6c=I`OfZwrbuo?l`-m0Ej1OR5?~FKL%iJQa zc{kz_U}k$M%Qor@7C@|~F0khhZOwm3oc}=e!G@;Hr#=#i%q+^vYA^Pr8)8{ZPjof= zn_)kAvTON!0H!}TS@+tFWN2HB`LC~to2E^UA(-`7`?;g9=%QZLt?JaX^(iYd!^Qa) z<8vk}fQYGni~gF-+n|vZy6I!nzpC{wXR$1)Xm(Ps8OJZ1*y$`>FDbcXZ1W^BLtXyh z2ruAdoj8pXEB9sycQJ`J@W{a12FUncyJ$4XMAm!*rd4%_s2C?pL4BmBDu|73f(vH; 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z0K&SK$Evm)Ox5fZzR{T_OWcRKEI)Z^kuQYRgpiyXY~Yy{(Iv)BBSE#JLbZ%pacEh_Db>ISk2k}?YaTH@5GO{_aoljP>nq>W)rHv(EzuF1%hU2Aqux(|U zcSpfhj9(eWwf0%$`oID~f&Tz3#d~ + + + three.js webgpu - postprocessing - dof + + + + + + + + + + \ No newline at end of file From 41c1832c614656d8ec63f497e3d212a310edc4af Mon Sep 17 00:00:00 2001 From: Renaud Rohlinger Date: Tue, 25 Jun 2024 22:36:54 +0900 Subject: [PATCH 07/48] WebGPURenderer: Improve performances for trackTimestamp in WebGPU (#28741) * WebGPURenderer: Improve performances for trackTimestamp in WebGPU * cleanup --- .../jsm/renderers/webgpu/WebGPUBackend.js | 73 +++++++++++-------- 1 file changed, 44 insertions(+), 29 deletions(-) diff --git a/examples/jsm/renderers/webgpu/WebGPUBackend.js b/examples/jsm/renderers/webgpu/WebGPUBackend.js index aa4678a29100b6..e851cea567a27e 100644 --- a/examples/jsm/renderers/webgpu/WebGPUBackend.js +++ b/examples/jsm/renderers/webgpu/WebGPUBackend.js @@ -1120,44 +1120,59 @@ class WebGPUBackend extends Backend { const renderContextData = this.get( renderContext ); const size = 2 * BigInt64Array.BYTES_PER_ELEMENT; - const resolveBuffer = this.device.createBuffer( { - size, - usage: GPUBufferUsage.QUERY_RESOLVE | GPUBufferUsage.COPY_SRC, - } ); - const resultBuffer = this.device.createBuffer( { - size, - usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ, - } ); + if ( renderContextData.currentTimestampQueryBuffers === undefined ) { + + renderContextData.currentTimestampQueryBuffers = { + resolveBuffer: this.device.createBuffer({ + label: 'timestamp resolve buffer', + size: size, + usage: GPUBufferUsage.QUERY_RESOLVE | GPUBufferUsage.COPY_SRC, + }), + resultBuffer: this.device.createBuffer({ + label: 'timestamp result buffer', + size: size, + usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ, + }), + isMappingPending: false, + } + + } + + const { resolveBuffer, resultBuffer, isMappingPending } = renderContextData.currentTimestampQueryBuffers + + + if ( isMappingPending === true ) return; encoder.resolveQuerySet( renderContextData.timeStampQuerySet, 0, 2, resolveBuffer, 0 ); encoder.copyBufferToBuffer( resolveBuffer, 0, resultBuffer, 0, size ); - renderContextData.currentTimestampQueryBuffer = resultBuffer; - } - async resolveTimestampAsync(renderContext, type = 'render') { - if (!this.hasFeature(GPUFeatureName.TimestampQuery) || !this.trackTimestamp) return; + async resolveTimestampAsync( renderContext, type = 'render' ) { + + if ( ! this.hasFeature( GPUFeatureName.TimestampQuery ) || ! this.trackTimestamp ) return; const renderContextData = this.get(renderContext); - const { currentTimestampQueryBuffer } = renderContextData; - - if (currentTimestampQueryBuffer === undefined) return; - - const buffer = currentTimestampQueryBuffer; - - try { - await buffer.mapAsync(GPUMapMode.READ); - const times = new BigUint64Array(buffer.getMappedRange()); - const duration = Number(times[1] - times[0]) / 1000000; - this.renderer.info.updateTimestamp(type, duration); - } catch (error) { - console.error(`Error mapping buffer: ${error}`); - // Optionally handle the error, e.g., re-queue the buffer or skip it - } finally { - buffer.unmap(); - } + + if ( renderContextData.currentTimestampQueryBuffers === undefined ) return; + + const { resultBuffer, isMappingPending } = renderContextData.currentTimestampQueryBuffers; + + if ( isMappingPending === true ) return; + + renderContextData.currentTimestampQueryBuffers.isMappingPending = true; + + await resultBuffer.mapAsync( GPUMapMode.READ ); + + const times = new BigUint64Array( resultBuffer.getMappedRange() ); + const duration = Number( times[ 1 ] - times[ 0 ] ) / 1000000; + + this.renderer.info.updateTimestamp( type, duration ); + resultBuffer.unmap(); + + renderContextData.currentTimestampQueryBuffers.isMappingPending = false; + } From eb6d44f5a201705d89c5e5917a80d904c4623b76 Mon Sep 17 00:00:00 2001 From: sunag Date: Tue, 25 Jun 2024 13:41:38 -0300 Subject: [PATCH 08/48] Examples: Using node approach - 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'three/addons/renderers/common/PostProcessing.js'; - import { MeshBasicNodeMaterial, cubeTexture } from 'three/nodes'; + import { MeshBasicNodeMaterial, cubeTexture, positionWorld, oscSine, timerGlobal } from 'three/nodes'; import { pass } from 'three/nodes'; import { GUI } from 'three/addons/libs/lil-gui.module.min.js'; @@ -43,8 +43,6 @@ let postProcessing; - const color = new THREE.Color(); - init(); function init() { @@ -62,15 +60,16 @@ path + 'pz' + format, path + 'nz' + format ]; + const xgrid = 14, ygrid = 9, zgrid = 14; + const count = xgrid * ygrid * zgrid; + const textureCube = new THREE.CubeTextureLoader().load( urls ); const cubeTextureNode = cubeTexture( textureCube ); + const oscPos = oscSine( positionWorld.div( 1000 /* scene distance */ ).add( timerGlobal( .2 /* speed */ ) ) ); const geometry = new THREE.SphereGeometry( 60, 20, 10 ); const material = new MeshBasicNodeMaterial(); - material.colorNode = cubeTextureNode; - - const xgrid = 14, ygrid = 9, zgrid = 14; - const count = xgrid * ygrid * zgrid; + material.colorNode = cubeTextureNode.mul( oscPos ); mesh = new THREE.InstancedMesh( geometry, material, count ); scene.add( mesh ); @@ -90,7 +89,6 @@ const z = 200 * ( k - zgrid / 2 ); mesh.setMatrixAt( index, matrix.identity().setPosition( x, y, z ) ); - mesh.setColorAt( index, color ); index ++; } @@ -192,23 +190,11 @@ function render() { - const time = Date.now() * 0.00005; - camera.position.x += ( mouseX - camera.position.x ) * 0.036; camera.position.y += ( - ( mouseY ) - camera.position.y ) * 0.036; camera.lookAt( scene.position ); - for ( let i = 0; i < mesh.count; i ++ ) { - - const h = ( 360 * ( i / mesh.count + time ) % 360 ) / 360; - color.setHSL( h, 1, 0.5 ); - mesh.setColorAt( i, color ); - - } - - mesh.instanceColor.needsUpdate = true; - postProcessing.render(); } From eac2954d5a2e9c66f693c0cc554d9fb5232dc5e9 Mon Sep 17 00:00:00 2001 From: Renaud Rohlinger Date: Wed, 26 Jun 2024 03:28:48 +0900 Subject: [PATCH 09/48] TSL: BufferAttributeNode - Fix setUsage on non-InterleavedBuffer (#28742) * TSL: Fix setUsage on non-interleavedBuffer attributes * test fix pup * cleanup --------- --- .../nodes/accessors/BufferAttributeNode.js | 6 ++++++ examples/screenshots/webgpu_reflection.jpg | Bin 62635 -> 62354 bytes examples/webgpu_instance_mesh.html | 2 -- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/examples/jsm/nodes/accessors/BufferAttributeNode.js b/examples/jsm/nodes/accessors/BufferAttributeNode.js index da79c73740cae3..a26c8d65c2d131 100644 --- a/examples/jsm/nodes/accessors/BufferAttributeNode.js +++ b/examples/jsm/nodes/accessors/BufferAttributeNode.js @@ -126,6 +126,12 @@ class BufferAttributeNode extends InputNode { this.usage = value; + if ( this.attribute && this.attribute.isBufferAttribute === true ) { + + this.attribute.usage = value; + + } + return this; } diff --git a/examples/screenshots/webgpu_reflection.jpg b/examples/screenshots/webgpu_reflection.jpg index 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z$Adx>=uIjig)*b=De2!GX%I)quBy)cjCz{{k zFNi0%nWJ%IJ{=f>IX%U7VA6QnY4=7roiOujvp!hx_xynoyPerSy({bM{{R&5DE|Nq zwm|zti;e=W2j^I}`BA6ZB#h#B1C9stsbww3P0h|vUU{VU4yHef)kTa_1sjX7EsjlX zLHq2^s$8hR(p|;D0gqhut?F!Z!{R;X;6?rZqoTtWp?fsym)=?|(iRH40opUrXSICB zWf;P3#alz%!Z#{{9E1282-+b{E`vQ)6W&hgN$8B-E~J*cGMlaA3bPl z1%SXGDEWQ5SJ77Zk0y#-p{z3t8Hi#y>}x1|NV)th$+-D#H!lP@!5z7(>Sq2DNPpGi z*w;L_Hjc(MBON`P-=WtebWzq-Ks$!Sw$C8dCUz9Zani zoBk5JQ`2(noSwftDweP42{-X%sFP`Al+ixPKvBvo%H?(>KmCde%}dCpWLN4vcutIrgl& H6o3EOdFp9v diff --git a/examples/webgpu_instance_mesh.html b/examples/webgpu_instance_mesh.html index 2f971305839f71..c672657c934502 100644 --- a/examples/webgpu_instance_mesh.html +++ b/examples/webgpu_instance_mesh.html @@ -155,8 +155,6 @@ } - mesh.instanceMatrix.needsUpdate = true; - } await renderer.render( scene, camera ); From 0d5e6d68526fe9be394e09e248a2b2feca08db2f Mon Sep 17 00:00:00 2001 From: Christian Helgeson <62450112+cmhhelgeson@users.noreply.github.com> Date: Tue, 25 Jun 2024 12:06:17 -0700 Subject: [PATCH 10/48] WebGPURenderer: Read/Write Only Storage Buffer Creation (#28435) * add writable * sketch * changes * Working solution * run linter * syntax fix * fixed formatting * add writable * sketch * changes * Working solution * run linter * syntax fix * fixed formatting * re-add storageImmutable to compute_geometry * switch .readOnly to .access in StorageBufferNode and NodeStorageBuffer * Made storage buffer code consistent with storage texture code and applied storageReadOnly to examples as reference in appropriate locations * Fixed unusued import in webgpu_compute_audio * Remove unused import * Removed un-needed references to 'storageReadOnlyBuffer' in WGSLNodeBuilder, added considerations for hypothetical write-only buffer access mode mentioned in PR conversation, added readOnly and writeOnly commands for creating a storageObject * fixed missing access * remove comments * fix missing import * revision * cleanup --------- Co-authored-by: sunag --- examples/jsm/nodes/Nodes.js | 2 +- .../jsm/nodes/accessors/StorageBufferNode.js | 24 +++++++++++- .../jsm/nodes/accessors/StorageTextureNode.js | 15 ++++++-- examples/jsm/renderers/common/Renderer.js | 1 + .../common/nodes/NodeStorageBuffer.js | 3 ++ .../renderers/webgpu/nodes/WGSLNodeBuilder.js | 38 ++++++++++++------- .../webgpu/utils/WebGPUBindingUtils.js | 4 +- examples/webgpu_compute_audio.html | 6 +-- examples/webgpu_compute_geometry.html | 4 +- examples/webgpu_compute_texture.html | 2 +- 10 files changed, 71 insertions(+), 28 deletions(-) diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index cfccddbea2c181..6243d695de0c5d 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -103,7 +103,7 @@ export { default as SceneNode, backgroundBlurriness, backgroundIntensity } from export { default as StorageBufferNode, storage, storageObject } from './accessors/StorageBufferNode.js'; export * from './accessors/TangentNode.js'; export { default as TextureNode, texture, textureLoad, /*textureLevel,*/ sampler } from './accessors/TextureNode.js'; -export { default as StorageTextureNode, storageTexture, textureStore, storageTextureReadOnly, storageTextureReadWrite } from './accessors/StorageTextureNode.js'; +export { default as StorageTextureNode, storageTexture, textureStore } from './accessors/StorageTextureNode.js'; export { default as Texture3DNode, texture3D } from './accessors/Texture3DNode.js'; export * from './accessors/UVNode.js'; export { default as UserDataNode, userData } from './accessors/UserDataNode.js'; diff --git a/examples/jsm/nodes/accessors/StorageBufferNode.js b/examples/jsm/nodes/accessors/StorageBufferNode.js index 855f051c6635d7..19627829517b3c 100644 --- a/examples/jsm/nodes/accessors/StorageBufferNode.js +++ b/examples/jsm/nodes/accessors/StorageBufferNode.js @@ -4,6 +4,7 @@ import { addNodeClass } from '../core/Node.js'; import { nodeObject } from '../shadernode/ShaderNode.js'; import { varying } from '../core/VaryingNode.js'; import { storageElement } from '../utils/StorageArrayElementNode.js'; +import { GPUBufferBindingType } from '../../renderers/webgpu/utils/WebGPUConstants.js'; class StorageBufferNode extends BufferNode { @@ -13,6 +14,8 @@ class StorageBufferNode extends BufferNode { this.isStorageBufferNode = true; + this.access = GPUBufferBindingType.Storage; + this.bufferObject = false; this.bufferCount = bufferCount; @@ -76,9 +79,27 @@ class StorageBufferNode extends BufferNode { } + setAccess( value ) { + + this.access = value; + + return this; + + } + + toReadOnly() { + + return this.setAccess( GPUBufferBindingType.ReadOnlyStorage ); + + } + generate( builder ) { - if ( builder.isAvailable( 'storageBuffer' ) ) return super.generate( builder ); + if ( builder.isAvailable( 'storageBuffer' ) ) { + + return super.generate( builder ); + + } const nodeType = this.getNodeType( builder ); @@ -102,6 +123,7 @@ class StorageBufferNode extends BufferNode { export default StorageBufferNode; +// Read-Write Storage export const storage = ( value, type, count ) => nodeObject( new StorageBufferNode( value, type, count ) ); export const storageObject = ( value, type, count ) => nodeObject( new StorageBufferNode( value, type, count ).setBufferObject( true ) ); diff --git a/examples/jsm/nodes/accessors/StorageTextureNode.js b/examples/jsm/nodes/accessors/StorageTextureNode.js index 6e9f97f0051d06..fbaa982456da0a 100644 --- a/examples/jsm/nodes/accessors/StorageTextureNode.js +++ b/examples/jsm/nodes/accessors/StorageTextureNode.js @@ -57,6 +57,18 @@ class StorageTextureNode extends TextureNode { } + toReadOnly() { + + return this.setAccess( GPUStorageTextureAccess.ReadOnly ); + + } + + toWriteOnly() { + + return this.setAccess( GPUStorageTextureAccess.WriteOnly ); + + } + generateStore( builder ) { const properties = builder.getNodeProperties( this ); @@ -79,9 +91,6 @@ export default StorageTextureNode; export const storageTexture = nodeProxy( StorageTextureNode ); -export const storageTextureReadOnly = ( value, uvNode, storeNode ) => storageTexture( value, uvNode, storeNode ).setAccess( 'read-only' ); -export const storageTextureReadWrite = ( value, uvNode, storeNode ) => storageTexture( value, uvNode, storeNode ).setAccess( 'read-write' ); - export const textureStore = ( value, uvNode, storeNode ) => { const node = storageTexture( value, uvNode, storeNode ); diff --git a/examples/jsm/renderers/common/Renderer.js b/examples/jsm/renderers/common/Renderer.js index 2da84821d7163e..1cc18a4c2d6769 100644 --- a/examples/jsm/renderers/common/Renderer.js +++ b/examples/jsm/renderers/common/Renderer.js @@ -1089,6 +1089,7 @@ class Renderer { const pipelines = this._pipelines; const bindings = this._bindings; const nodes = this._nodes; + const computeList = Array.isArray( computeNodes ) ? computeNodes : [ computeNodes ]; if ( computeList[ 0 ] === undefined || computeList[ 0 ].isComputeNode !== true ) { diff --git a/examples/jsm/renderers/common/nodes/NodeStorageBuffer.js b/examples/jsm/renderers/common/nodes/NodeStorageBuffer.js index 67a436f729d0e0..8e5ae85ee5f63b 100644 --- a/examples/jsm/renderers/common/nodes/NodeStorageBuffer.js +++ b/examples/jsm/renderers/common/nodes/NodeStorageBuffer.js @@ -1,4 +1,5 @@ import StorageBuffer from '../StorageBuffer.js'; +import { GPUBufferBindingType } from '../../webgpu/utils/WebGPUConstants.js'; let _id = 0; @@ -9,8 +10,10 @@ class NodeStorageBuffer extends StorageBuffer { super( 'StorageBuffer_' + _id ++, nodeUniform ? nodeUniform.value : null ); this.nodeUniform = nodeUniform; + this.access = nodeUniform ? nodeUniform.access : GPUBufferBindingType.Storage this.groupNode = groupNode; + } get buffer() { diff --git a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js index d649c66f20b112..e67f588923d9e8 100644 --- a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js +++ b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js @@ -13,8 +13,7 @@ import { NodeBuilder, CodeNode } from '../../../nodes/Nodes.js'; import { getFormat } from '../utils/WebGPUTextureUtils.js'; import WGSLNodeParser from './WGSLNodeParser.js'; -import { GPUStorageTextureAccess } from '../utils/WebGPUConstants.js'; - +import { GPUBufferBindingType, GPUStorageTextureAccess } from '../utils/WebGPUConstants.js'; // GPUShaderStage is not defined in browsers not supporting WebGPU const GPUShaderStage = self.GPUShaderStage; @@ -26,6 +25,7 @@ const gpuShaderStageLib = { }; const supports = { + instance: true, swizzleAssign: false, storageBuffer: true }; @@ -411,30 +411,38 @@ class WGSLNodeBuilder extends NodeBuilder { switch ( node.access ) { - case GPUStorageTextureAccess.ReadOnly: { + case GPUStorageTextureAccess.ReadOnly: return 'read'; - } - - case GPUStorageTextureAccess.WriteOnly: { + case GPUStorageTextureAccess.WriteOnly: return 'write'; - } - - default: { + default: return 'read_write'; - } - } } else { - // @TODO: Account for future read-only storage buffer pull request - return 'read_write'; + switch ( node.access ) { + + case GPUBufferBindingType.Storage: + + return 'read_write'; + + + case GPUBufferBindingType.ReadOnlyStorage: + + return 'read'; + + default: + + return 'write'; + + } } @@ -714,6 +722,7 @@ ${ flowData.code } snippet += this.getStructMembers( struct ); snippet += '\n}'; + snippets.push( snippet ); snippets.push( `\nvar output : ${ name };\n\n` ); @@ -880,7 +889,7 @@ ${ flowData.code } const bufferCountSnippet = bufferCount > 0 ? ', ' + bufferCount : ''; const bufferSnippet = `\t${ uniform.name } : array< ${ bufferType }${ bufferCountSnippet } >\n`; - const bufferAccessMode = bufferNode.isStorageBufferNode ? 'storage,read_write' : 'uniform'; + const bufferAccessMode = bufferNode.isStorageBufferNode ? `storage, ${ this.getStorageAccess( bufferNode ) }` : 'uniform'; bufferSnippets.push( this._getWGSLStructBinding( 'NodeBuffer_' + bufferNode.id, bufferSnippet, bufferAccessMode, uniformIndexes.binding ++, uniformIndexes.group ) ); @@ -997,6 +1006,7 @@ ${ flowData.code } stageData.flow = flow; + } if ( this.material !== null ) { diff --git a/examples/jsm/renderers/webgpu/utils/WebGPUBindingUtils.js b/examples/jsm/renderers/webgpu/utils/WebGPUBindingUtils.js index 13230bc645991a..a7b7c62220bf77 100644 --- a/examples/jsm/renderers/webgpu/utils/WebGPUBindingUtils.js +++ b/examples/jsm/renderers/webgpu/utils/WebGPUBindingUtils.js @@ -1,5 +1,5 @@ import { - GPUTextureAspect, GPUTextureViewDimension, GPUBufferBindingType, GPUTextureSampleType + GPUTextureAspect, GPUTextureViewDimension, GPUTextureSampleType } from './WebGPUConstants.js'; import { FloatType, IntType, UnsignedIntType } from 'three'; @@ -33,7 +33,7 @@ class WebGPUBindingUtils { if ( binding.isStorageBuffer ) { - buffer.type = GPUBufferBindingType.Storage; + buffer.type = binding.access; } diff --git a/examples/webgpu_compute_audio.html b/examples/webgpu_compute_audio.html index 18f6915fb61428..06f9ea1a883b06 100644 --- a/examples/webgpu_compute_audio.html +++ b/examples/webgpu_compute_audio.html @@ -29,7 +29,7 @@ + + + + + diff --git a/test/e2e/puppeteer.js b/test/e2e/puppeteer.js index 98cfb9f50f617d..71cc3a7fe3c3af 100644 --- a/test/e2e/puppeteer.js +++ b/test/e2e/puppeteer.js @@ -147,6 +147,7 @@ const exceptionList = [ 'webgpu_texturegrad', 'webgpu_performance_renderbundle', 'webgpu_lights_rectarealight', + 'webgpu_postprocessing', // WebGPU idleTime and parseTime too low 'webgpu_compute_particles', From a1dc93c9713e5ec684327f46e61ff30d92a3d48c Mon Sep 17 00:00:00 2001 From: "Mr.doob" Date: Fri, 28 Jun 2024 12:12:48 +0200 Subject: [PATCH 18/48] Updated builds. --- build/three.cjs | 75 +++++++++++++++++++++++++++++++++++++-- build/three.module.js | 75 +++++++++++++++++++++++++++++++++++++-- build/three.module.min.js | 2 +- 3 files changed, 145 insertions(+), 7 deletions(-) diff --git a/build/three.cjs b/build/three.cjs index 38a4a485ad54a1..057ca41607a5d0 100644 --- a/build/three.cjs +++ b/build/three.cjs @@ -23793,6 +23793,72 @@ function WebGLState( gl ) { } +function contain( texture, aspect ) { + + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + + if ( imageAspect > aspect ) { + + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + + } else { + + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + + } + + return texture; + +} + +function cover( texture, aspect ) { + + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + + if ( imageAspect > aspect ) { + + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + + } else { + + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + + } + + return texture; + +} + +function fill( texture ) { + + texture.repeat.x = 1; + texture.repeat.y = 1; + + texture.offset.x = 0; + texture.offset.y = 0; + + return texture; + +} + + + /** * Given the width, height, format, and type of a texture. Determines how many * bytes must be used to represent the texture. @@ -23928,7 +23994,10 @@ function getTextureTypeByteLength( type ) { } const TextureUtils = { - getByteLength, + contain, + cover, + fill, + getByteLength }; function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { @@ -24782,7 +24851,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, if ( texture.layerUpdates.size > 0 ) { - const layerByteLength = TextureUtils.getByteLength( mipmap.width, mipmap.height, texture.format, texture.type ); + const layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type ); for ( const layerIndex of texture.layerUpdates ) { @@ -24908,7 +24977,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, if ( texture.layerUpdates.size > 0 ) { - const layerByteLength = TextureUtils.getByteLength( image.width, image.height, texture.format, texture.type ); + const layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type ); for ( const layerIndex of texture.layerUpdates ) { diff --git a/build/three.module.js b/build/three.module.js index 4d34140510190c..ae1ff05ffc885d 100644 --- a/build/three.module.js +++ b/build/three.module.js @@ -23791,6 +23791,72 @@ function WebGLState( gl ) { } +function contain( texture, aspect ) { + + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + + if ( imageAspect > aspect ) { + + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + + } else { + + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + + } + + return texture; + +} + +function cover( texture, aspect ) { + + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + + if ( imageAspect > aspect ) { + + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + + } else { + + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + + } + + return texture; + +} + +function fill( texture ) { + + texture.repeat.x = 1; + texture.repeat.y = 1; + + texture.offset.x = 0; + texture.offset.y = 0; + + return texture; + +} + + + /** * Given the width, height, format, and type of a texture. Determines how many * bytes must be used to represent the texture. @@ -23926,7 +23992,10 @@ function getTextureTypeByteLength( type ) { } const TextureUtils = { - getByteLength, + contain, + cover, + fill, + getByteLength }; function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { @@ -24780,7 +24849,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, if ( texture.layerUpdates.size > 0 ) { - const layerByteLength = TextureUtils.getByteLength( mipmap.width, mipmap.height, texture.format, texture.type ); + const layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type ); for ( const layerIndex of texture.layerUpdates ) { @@ -24906,7 +24975,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, if ( texture.layerUpdates.size > 0 ) { - const layerByteLength = TextureUtils.getByteLength( image.width, image.height, texture.format, texture.type ); + const layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type ); for ( const layerIndex of texture.layerUpdates ) { diff --git a/build/three.module.min.js b/build/three.module.min.js index a3f856e5238249..381a9451dcecf8 100644 --- a/build/three.module.min.js +++ b/build/three.module.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const 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this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qn{constructor(t,e,n,i,r,s,a,o,l){Qn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],x=i[7],y=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*_+o*M,r[6]=s*g+a*x+o*S,r[1]=l*m+c*v+h*y,r[4]=l*f+c*_+h*M,r[7]=l*g+c*x+h*S,r[2]=u*m+d*v+p*y,r[5]=u*f+d*_+p*M,r[8]=u*g+d*x+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) 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Js{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const Ra=[.125,.215,.35,.446,.526,.582],Ca=20,Pa=new Aa,Ia=new Zr;let La=null,Ua=0,Na=0,Da=!1;const Oa=(1+Math.sqrt(5))/2,Fa=1/Oa,Ba=[new Pi(-Oa,Fa,0),new Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;tv-4?i-v+4:0),4*(this._cubeSize-_),3*_,2*_),o.setRenderTarget(e),o.render(c,Pa)}}function ka(t,e,n){const i=new wi(t,e,n);return i.texture.mapping=dt,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Va(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function Ha(){return new Zs({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ga(){return new Zs({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Wa(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function Xa(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===ht||s===ut,o=s===lt||s===ct;if(a||o){let s=e.get(r);const l=void 0!==s?s.texture.pmremVersion:0;if(r.isRenderTargetTexture&&r.pmremVersion!==l)return null===n&&(n=new 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S=M+x+a,b=M+y+o,w=sl(r,r.VERTEX_SHADER,S),T=sl(r,r.FRAGMENT_SHADER,b);function E(e){if(t.debug.checkShaderErrors){const n=r.getProgramInfoLog(_).trim(),i=r.getShaderInfoLog(w).trim(),s=r.getShaderInfoLog(T).trim();let a=!0,o=!0;if(!1===r.getProgramParameter(_,r.LINK_STATUS))if(a=!1,"function"==typeof t.debug.onShaderError)t.debug.onShaderError(r,_,w,T);else{const t=ll(r,w,"vertex"),i=ll(r,T,"fragment");console.error("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(_,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+e.name+"\nMaterial Type: "+e.type+"\n\nProgram Info Log: "+n+"\n"+t+"\n"+i)}else""!==n?console.warn("THREE.WebGLProgram: Program Info Log:",n):""!==i&&""!==s||(o=!1);o&&(e.diagnostics={runnable:a,programLog:n,vertexShader:{log:i,prefix:x},fragmentShader:{log:s,prefix:y}})}r.deleteShader(w),r.deleteShader(T),A=new rl(r,_),R=function(t,e){const n={},i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES);for(let r=0;r0,q=s.clearcoat>0,Y=s.dispersion>0,Z=s.iridescence>0,J=s.sheen>0,$=s.transmission>0,Q=j&&!!s.anisotropyMap,tt=q&&!!s.clearcoatMap,et=q&&!!s.clearcoatNormalMap,nt=q&&!!s.clearcoatRoughnessMap,it=Z&&!!s.iridescenceMap,rt=Z&&!!s.iridescenceThicknessMap,st=J&&!!s.sheenColorMap,at=J&&!!s.sheenRoughnessMap,ot=!!s.specularMap,lt=!!s.specularColorMap,ct=!!s.specularIntensityMap,ht=$&&!!s.transmissionMap,ut=$&&!!s.thicknessMap,pt=!!s.gradientMap,mt=!!s.alphaMap,ft=s.alphaTest>0,gt=!!s.alphaHash,vt=!!s.extensions;let _t=K;s.toneMapped&&(null!==L&&!0!==L.isXRRenderTarget||(_t=t.toneMapping));const xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const e=i.groups;for(let c=0,h=e.length;cm||r.y>m)&&(r.x>m&&(s.x=Math.floor(m/g.x),r.x=s.x*g.x,u.mapSize.x=s.x),r.y>m&&(s.y=Math.floor(m/g.y),r.y=s.y*g.y,u.mapSize.y=s.y)),null===u.map||!0===p||!0===f){const t=this.type!==h?{minFilter:gt,magFilter:gt}:{};null!==u.map&&u.map.dispose(),u.map=new wi(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const v=u.getViewportCount();for(let t=0;t=1):-1!==N.indexOf("OpenGL ES")&&(U=parseFloat(/^OpenGL ES (\d)/.exec(N)[1]),L=U>=2);let D=null,O={};const F=t.getParameter(t.SCISSOR_BOX),B=t.getParameter(t.VIEWPORT),z=(new Si).fromArray(F),k=(new Si).fromArray(B);function V(e,n,i,r){const s=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.NEAREST);for(let a=0;an||r.height>n)&&(i=n/Math.max(r.width,r.height)),i<1){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&t instanceof VideoFrame){const n=Math.floor(i*r.width),s=Math.floor(i*r.height);void 0===u&&(u=m(n,s));const a=e?m(n,s):u;a.width=n,a.height=s;return a.getContext("2d").drawImage(t,0,0,n,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+n+"x"+s+")."),a}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),t}return t}function g(t){return t.generateMipmaps&&t.minFilter!==gt&&t.minFilter!==Mt}function v(e){t.generateMipmap(e)}function _(n,i,r,s,a=!1){if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}let o=i;if(i===t.RED&&(r===t.FLOAT&&(o=t.R32F),r===t.HALF_FLOAT&&(o=t.R16F),r===t.UNSIGNED_BYTE&&(o=t.R8)),i===t.RED_INTEGER&&(r===t.UNSIGNED_BYTE&&(o=t.R8UI),r===t.UNSIGNED_SHORT&&(o=t.R16UI),r===t.UNSIGNED_INT&&(o=t.R32UI),r===t.BYTE&&(o=t.R8I),r===t.SHORT&&(o=t.R16I),r===t.INT&&(o=t.R32I)),i===t.RG&&(r===t.FLOAT&&(o=t.RG32F),r===t.HALF_FLOAT&&(o=t.RG16F),r===t.UNSIGNED_BYTE&&(o=t.RG8)),i===t.RG_INTEGER&&(r===t.UNSIGNED_BYTE&&(o=t.RG8UI),r===t.UNSIGNED_SHORT&&(o=t.RG16UI),r===t.UNSIGNED_INT&&(o=t.RG32UI),r===t.BYTE&&(o=t.RG8I),r===t.SHORT&&(o=t.RG16I),r===t.INT&&(o=t.RG32I)),i===t.RGB&&r===t.UNSIGNED_INT_5_9_9_9_REV&&(o=t.RGB9_E5),i===t.RGBA){const e=a?$e:di.getTransfer(s);r===t.FLOAT&&(o=t.RGBA32F),r===t.HALF_FLOAT&&(o=t.RGBA16F),r===t.UNSIGNED_BYTE&&(o=e===Qe?t.SRGB8_ALPHA8:t.RGBA8),r===t.UNSIGNED_SHORT_4_4_4_4&&(o=t.RGBA4),r===t.UNSIGNED_SHORT_5_5_5_1&&(o=t.RGB5_A1)}return o!==t.R16F&&o!==t.R32F&&o!==t.RG16F&&o!==t.RG32F&&o!==t.RGBA16F&&o!==t.RGBA32F||e.get("EXT_color_buffer_float"),o}function x(e,n){let i;return e?null===n||n===It||n===Ot?i=t.DEPTH24_STENCIL8:n===Lt?i=t.DEPTH32F_STENCIL8:n===Ct&&(i=t.DEPTH24_STENCIL8,console.warn("DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.")):null===n||n===It||n===Ot?i=t.DEPTH_COMPONENT24:n===Lt?i=t.DEPTH_COMPONENT32F:n===Ct&&(i=t.DEPTH_COMPONENT16),i}function y(t,e){return!0===g(t)||t.isFramebufferTexture&&t.minFilter!==gt&&t.minFilter!==Mt?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function M(t){const e=t.target;e.removeEventListener("dispose",M),function(t){const e=i.get(t);if(void 0===e.__webglInit)return;const n=t.source,r=d.get(n);if(r){const i=r[e.__cacheKey];i.usedTimes--,0===i.usedTimes&&b(t),0===Object.keys(r).length&&d.delete(n)}i.remove(t)}(e),e.isVideoTexture&&h.delete(e)}function S(e){const n=e.target;n.removeEventListener("dispose",S),function(e){const n=i.get(e);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++){if(Array.isArray(n.__webglFramebuffer[e]))for(let i=0;i0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void I(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const E={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[ft]:t.MIRRORED_REPEAT},A={[gt]:t.NEAREST,[vt]:t.NEAREST_MIPMAP_NEAREST,[xt]:t.NEAREST_MIPMAP_LINEAR,[Mt]:t.LINEAR,[St]:t.LINEAR_MIPMAP_NEAREST,[wt]:t.LINEAR_MIPMAP_LINEAR},R={512:t.NEVER,519:t.ALWAYS,513:t.LESS,[Sn]:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL};function C(n,s){if(s.type!==Lt||!1!==e.has("OES_texture_float_linear")||s.magFilter!==Mt&&s.magFilter!==St&&s.magFilter!==xt&&s.magFilter!==wt&&s.minFilter!==Mt&&s.minFilter!==St&&s.minFilter!==xt&&s.minFilter!==wt||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),t.texParameteri(n,t.TEXTURE_WRAP_S,E[s.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,E[s.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,E[s.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,A[s.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,A[s.minFilter]),s.compareFunction&&(t.texParameteri(n,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(n,t.TEXTURE_COMPARE_FUNC,R[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){if(s.magFilter===gt)return;if(s.minFilter!==xt&&s.minFilter!==wt)return;if(s.type===Lt&&!1===e.has("OES_texture_float_linear"))return;if(s.anisotropy>1||i.get(s).__currentAnisotropy){const a=e.get("EXT_texture_filter_anisotropic");t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy}}}function P(e,n){let i=!1;void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",M));const r=n.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,i=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&b(n)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return i}function I(e,a,o){let l=t.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=t.TEXTURE_3D);const c=P(e,a),h=a.source;n.bindTexture(l,e.__webglTexture,t.TEXTURE0+o);const u=i.get(h);if(h.version!==u.__version||!0===c){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),d=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);let p=f(a.image,!1,r.maxTextureSize);p=z(a,p);const m=s.convert(a.format,a.colorSpace),M=s.convert(a.type);let S,b=_(a.internalFormat,m,M,a.colorSpace,a.isVideoTexture);C(l,a);const w=a.mipmaps,T=!0!==a.isVideoTexture,E=void 0===u.__version||!0===c,A=h.dataReady,R=y(a,p);if(a.isDepthTexture)b=x(a.format===Wt,a.type),E&&(T?n.texStorage2D(t.TEXTURE_2D,1,b,p.width,p.height):n.texImage2D(t.TEXTURE_2D,0,b,p.width,p.height,0,m,M,null));else if(a.isDataTexture)if(w.length>0){T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const i=Hl.getByteLength(S.width,S.height,a.format,a.type);for(const r of a.layerUpdates){const s=S.data.subarray(r*i/S.data.BYTES_PER_ELEMENT,(r+1)*i/S.data.BYTES_PER_ELEMENT);n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,r,S.width,S.height,1,m,s,0,0)}a.clearLayerUpdates()}else n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,S.data,0,0)}else n.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,S.data,0,0);else console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");else T?A&&n.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,M,S.data):n.texImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,m,M,S.data)}else{T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const e=Hl.getByteLength(p.width,p.height,a.format,a.type);for(const i of a.layerUpdates){const 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e=0,i=w.length;e>h),i=Math.max(1,r.height>>h);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?n.texImage3D(c,h,p,e,i,r.depth,0,u,d,null):n.texImage2D(c,h,p,e,i,0,u,d,null)}n.bindFramebuffer(t.FRAMEBUFFER,e),B(r)?o.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,0,F(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,h),n.bindFramebuffer(t.FRAMEBUFFER,null)}function U(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer){const r=n.depthTexture,s=r&&r.isDepthTexture?r.type:null,a=x(n.stencilBuffer,s),l=n.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,c=F(n);B(n)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,c,a,n.width,n.height):i?t.renderbufferStorageMultisample(t.RENDERBUFFER,c,a,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,a,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,l,t.RENDERBUFFER,e)}else{const e=n.textures;for(let r=0;r0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function z(t,e){const n=t.colorSpace,i=t.format,r=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||n!==Ze&&n!==qe&&(di.getTransfer(n)===Qe?i===kt&&r===Et||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",n)),e}function k(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(c.width=t.naturalWidth||t.width,c.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(c.width=t.displayWidth,c.height=t.displayHeight):(c.width=t.width,c.height=t.height),c}this.allocateTextureUnit=function(){const t=w;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+r.maxTextures),w+=1,t},this.resetTextureUnits=function(){w=0},this.setTexture2D=T,this.setTexture2DArray=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,a){const o=i.get(e);e.version>0&&o.__version!==e.version?function(e,a,o){if(6!==a.image.length)return;const l=P(e,a),c=a.source;n.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+o);const h=i.get(c);if(c.version!==h.__version||!0===l){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),u=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const d=a.isCompressedTexture||a.image[0].isCompressedTexture,p=a.image[0]&&a.image[0].isDataTexture,m=[];for(let t=0;t<6;t++)m[t]=d||p?p?a.image[t].image:a.image[t]:f(a.image[t],!0,r.maxCubemapSize),m[t]=z(a,m[t]);const x=m[0],M=s.convert(a.format,a.colorSpace),S=s.convert(a.type),b=_(a.internalFormat,M,S,a.colorSpace),w=!0!==a.isVideoTexture,T=void 0===h.__version||!0===l,E=c.dataReady;let A,R=y(a,x);if(C(t.TEXTURE_CUBE_MAP,a),d){w&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,x.width,x.height);for(let e=0;e<6;e++){A=m[e].mipmaps;for(let i=0;i0&&R++;const e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(ql)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new jl;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Zl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Jl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Zl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new Xl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Yl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Yl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Yl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,Kl.copy(a),Kl.x*=-1,Kl.y*=-1,Kl.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&(Kl.y*=-1,Kl.z*=-1),t.envMapRotation.value.setFromMatrix4($l.makeRotationFromEuler(Kl)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function tc(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class nc{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new nc(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class ic{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new ic(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class rc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class sc{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:hc.clone(),uv:Wr.getInterpolation(hc,gc,vc,_c,xc,yc,Mc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function bc(t,e,n,i,r,s){pc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(mc.x=s*pc.x-r*pc.y,mc.y=r*pc.x+s*pc.y):mc.copy(pc),t.copy(e),t.x+=mc.x,t.y+=mc.y,t.applyMatrix4(fc)}const wc=new Pi,Tc=new Pi;class Ec extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){wc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(wc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){wc.setFromMatrixPosition(t.matrixWorld),Tc.setFromMatrixPosition(this.matrixWorld);const n=wc.distanceTo(Tc)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const th=new ar,eh=new ar,nh=new ar,ih=new Zr(1,1,1),rh=new ar,sh=new ua,ah=new Ui,oh=new Ki,lh=new Pi,ch=new Pi,hh=new Pi,uh=new Qc,dh=new Hs,ph=[];function mh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;nh.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(ih.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);mh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,ah),ah.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;dh.material=this.material,dh.geometry.index=s.index,dh.geometry.attributes=s.attributes,null===dh.geometry.boundingBox&&(dh.geometry.boundingBox=new Ui),null===dh.geometry.boundingSphere&&(dh.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(rh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),sh.setFromProjectionMatrix(rh,t.coordinateSystem));let m=0;if(this.sortObjects){eh.copy(this.matrixWorld).invert(),lh.setFromMatrixPosition(n.matrixWorld).applyMatrix4(eh),ch.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(eh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;Sh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(Sh);return oe.far?void 0:{distance:o,point:bh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Eh=new Pi,Ah=new Pi;class Rh extends wh{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Fh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class Bh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class zh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class kh extends zh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Vh extends zh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Hh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Gh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Wh extends Gh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(qh.subVectors(i[0],i[1]).add(i[0]),a=qh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set($h(a,o.x,l.x,c.x,h.x),$h(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class uu extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new mu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class fu extends mu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new fu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gu(t.vertices,t.indices,t.radius,t.details)}}class vu extends gu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new vu(t.radius,t.detail)}}const _u=new Pi,xu=new Pi,yu=new Pi,Mu=new Wr;class Su extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Au(s,a,n,o,l,p,0),a};function Tu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=ju(s,t[s],t[s+1],a);return a&&ku(a,a.next)&&(qu(a),a=a.next),a}function Eu(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!ku(i,i.next)&&0!==zu(i.prev,i,i.next))i=i.next;else{if(qu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Au(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let 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o=r.x,l=s.x,c=a.x,h=r.y,u=s.y,d=a.y,p=ol?o>c?o:c:l>c?l:c,g=h>u?h>d?h:d:u>d?u:d,v=Du(p,m,e,n,i),_=Du(f,g,e,n,i);let x=t.prevZ,y=t.nextZ;for(;x&&x.z>=v&&y&&y.z<=_;){if(x.x>=p&&x.x<=f&&x.y>=m&&x.y<=g&&x!==r&&x!==a&&Fu(o,h,l,u,c,d,x.x,x.y)&&zu(x.prev,x,x.next)>=0)return!1;if(x=x.prevZ,y.x>=p&&y.x<=f&&y.y>=m&&y.y<=g&&y!==r&&y!==a&&Fu(o,h,l,u,c,d,y.x,y.y)&&zu(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(;x&&x.z>=v;){if(x.x>=p&&x.x<=f&&x.y>=m&&x.y<=g&&x!==r&&x!==a&&Fu(o,h,l,u,c,d,x.x,x.y)&&zu(x.prev,x,x.next)>=0)return!1;x=x.prevZ}for(;y&&y.z<=_;){if(y.x>=p&&y.x<=f&&y.y>=m&&y.y<=g&&y!==r&&y!==a&&Fu(o,h,l,u,c,d,y.x,y.y)&&zu(y.prev,y,y.next)>=0)return!1;y=y.nextZ}return!0}function Pu(t,e,n){let i=t;do{const r=i.prev,s=i.next.next;!ku(r,s)&&Vu(r,i,i.next,s)&&Wu(r,s)&&Wu(s,r)&&(e.push(r.i/n|0),e.push(i.i/n|0),e.push(s.i/n|0),qu(i),qu(i.next),i=t=s),i=i.next}while(i!==t);return Eu(i)}function Iu(t,e,n,i,r,s){let a=t;do{let t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&Bu(a,t)){let o=Xu(a,t);return a=Eu(a,a.next),o=Eu(o,o.next),Au(a,e,n,i,r,s,0),void Au(o,e,n,i,r,s,0)}t=t.next}a=a.next}while(a!==t)}function Lu(t,e){return t.x-e.x}function Uu(t,e){const n=function(t,e){let n,i=e,r=-1/0;const s=t.x,a=t.y;do{if(a<=i.y&&a>=i.next.y&&i.next.y!==i.y){const t=i.x+(a-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=s&&t>r&&(r=t,n=i.x=i.x&&i.x>=l&&s!==i.x&&Fu(an.x||i.x===n.x&&Nu(n,i)))&&(n=i,u=h)),i=i.next}while(i!==o);return n}(t,e);if(!n)return e;const i=Xu(n,t);return Eu(i,i.next),Eu(n,n.next)}function Nu(t,e){return zu(t.prev,t,e.prev)<0&&zu(e.next,t,t.next)<0}function Du(t,e,n,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-n)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function Ou(t){let e=t,n=t;do{(e.x=(t-a)*(s-o)&&(t-a)*(i-o)>=(n-a)*(e-o)&&(n-a)*(s-o)>=(r-a)*(i-o)}function Bu(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Vu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Wu(t,e)&&Wu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(zu(t.prev,t,e.prev)||zu(t,e.prev,e))||ku(t,e)&&zu(t.prev,t,t.next)>0&&zu(e.prev,e,e.next)>0)}function zu(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function ku(t,e){return t.x===e.x&&t.y===e.y}function Vu(t,e,n,i){const r=Gu(zu(t,e,n)),s=Gu(zu(t,e,i)),a=Gu(zu(n,i,t)),o=Gu(zu(n,i,e));return r!==s&&a!==o||(!(0!==r||!Hu(t,n,e))||(!(0!==s||!Hu(t,i,e))||(!(0!==a||!Hu(n,t,i))||!(0!==o||!Hu(n,e,i)))))}function Hu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Gu(t){return t>0?1:t<0?-1:0}function Wu(t,e){return zu(t.prev,t,t.next)<0?zu(t,e,t.next)>=0&&zu(t,t.prev,e)>=0:zu(t,e,t.prev)<0||zu(t,t.next,e)<0}function Xu(t,e){const n=new Yu(t.i,t.x,t.y),i=new Yu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function ju(t,e,n,i){const r=new Yu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function qu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Yu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Zu{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function Ku(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class gd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class vd extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class xd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class yd extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends gh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Sd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function bd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function wd(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Td(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ed(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Ad={convertArray:Sd,isTypedArray:bd,getKeyframeOrder:wd,sortedArray:Td,flattenJSON:Ed,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&bd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ld.prototype.TimeBufferType=Float32Array,Ld.prototype.ValueBufferType=Float32Array,Ld.prototype.DefaultInterpolation=Ue;class Ud extends Ld{constructor(t,e,n){super(t,e,n)}}Ud.prototype.ValueTypeName="bool",Ud.prototype.ValueBufferType=Array,Ud.prototype.DefaultInterpolation=Le,Ud.prototype.InterpolantFactoryMethodLinear=void 0,Ud.prototype.InterpolantFactoryMethodSmooth=void 0;class Nd extends Ld{}Nd.prototype.ValueTypeName="color";class Dd extends Ld{}Dd.prototype.ValueTypeName="number";class Od extends Rd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Fd extends Ld{InterpolantFactoryMethodLinear(t){return new Od(this.times,this.values,this.getValueSize(),t)}}Fd.prototype.ValueTypeName="quaternion",Fd.prototype.InterpolantFactoryMethodSmooth=void 0;class Bd extends Ld{constructor(t,e,n){super(t,e,n)}}Bd.prototype.ValueTypeName="string",Bd.prototype.ValueBufferType=Array,Bd.prototype.DefaultInterpolation=Le,Bd.prototype.InterpolantFactoryMethodLinear=void 0,Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ld{}zd.prototype.ValueTypeName="vector";class kd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Vd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ld.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ed(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==jd[t])return void jd[t].push({onLoad:e,onProgress:n,onError:i});jd[t]=[],jd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=jd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new qd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Hd.add(t,e);const n=jd[t];delete jd[t];for(let t=0,i=n.length;t{const n=jd[t];if(void 0===n)throw this.manager.itemError(t),e;delete jd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Zd extends Xd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Yd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:dd,SpriteMaterial:lc,RawShaderMaterial:pd,ShaderMaterial:Zs,PointsMaterial:Ph,MeshPhysicalMaterial:fd,MeshStandardMaterial:md,MeshPhongMaterial:gd,MeshToonMaterial:vd,MeshNormalMaterial:_d,MeshLambertMaterial:xd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:yd,LineDashedMaterial:Md,LineBasicMaterial:gh,Material:$r}[t]}}class Mp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Gd(e);r=new Kd(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new Kd(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ec;break;case"Line":s=new wh(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ch(l(t.geometry),c(t.material));break;case"LineSegments":s=new Rh(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Dh(l(t.geometry),c(t.material));break;case"Sprite":s=new Sc(c(t.material));break;case"Group":s=new jl;break;case"Bone":s=new Fc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Hd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Hd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Hd.add(t,o),r.manager.itemStart(t)}}let Cp;class Pp{static getContext(){return void 0===Cp&&(Cp=new(window.AudioContext||window.webkitAudioContext)),Cp}static setContext(t){Cp=t}}class Ip extends Xd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Yd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Pp.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Lp=new ar,Up=new ar,Np=new ar;class Dp{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Np.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Up.elements[12]=-n,Lp.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Np.elements[0]=2*e.near/(a-s),Np.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Np),s=-r*e.aspect-i,a=r*e.aspect-i,Np.elements[0]=2*e.near/(a-s),Np.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Np)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Up),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Lp)}}class Op{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Fp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Fp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Fp(){return("undefined"==typeof performance?Date:performance).now()}const Bp=new Pi,zp=new Ci,kp=new Pi,Vp=new Pi;class Hp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Pp.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Op}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Bp,zp,kp),Vp.set(0,0,-1).applyQuaternion(zp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Bp.x,t),e.positionY.linearRampToValueAtTime(Bp.y,t),e.positionZ.linearRampToValueAtTime(Bp.z,t),e.forwardX.linearRampToValueAtTime(Vp.x,t),e.forwardY.linearRampToValueAtTime(Vp.y,t),e.forwardZ.linearRampToValueAtTime(Vp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(Bp.x,Bp.y,Bp.z),e.setOrientation(Vp.x,Vp.y,Vp.z,n.x,n.y,n.z)}}class Gp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const Kp="\\[\\]\\.:\\/",$p=new RegExp("["+Kp+"]","g"),Qp="[^"+Kp+"]",tm="[^"+Kp.replace("\\.","")+"]",em=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Qp)+/(WCOD+)?/.source.replace("WCOD",tm)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Qp)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Qp)+"$"),nm=["material","materials","bones","map"];class im{constructor(t,e,n){this.path=e,this.parsedPath=n||im.parseTrackName(e),this.node=im.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new im.Composite(t,e,n):new im(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace($p,"")}static parseTrackName(t){const e=em.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==nm.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new im(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class sm{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const am=new Float32Array(1);class om extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Jp(im.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,xm).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Mm=new Pi,Sm=new Pi;class bm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Mm.subVectors(t,this.start),Sm.subVectors(this.end,this.start);const n=Sm.dot(Sm);let i=Sm.dot(Mm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const wm=new Pi;class Tm extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Jm.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Jm,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class tf extends Rh{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new gh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class ef{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new hu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Zu.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new bu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t>8&255]+Vn[t>>16&255]+Vn[t>>24&255]+"-"+Vn[255&e]+Vn[e>>8&255]+"-"+Vn[e>>16&15|64]+Vn[e>>24&255]+"-"+Vn[63&n|128]+Vn[n>>8&255]+"-"+Vn[n>>16&255]+Vn[n>>24&255]+Vn[255&i]+Vn[i>>8&255]+Vn[i>>16&255]+Vn[i>>24&255]).toLowerCase()}function jn(t,e,n){return Math.max(e,Math.min(n,t))}function qn(t,e){return(t%e+e)%e}function Yn(t,e,n){return(1-n)*t+n*e}function Zn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Jn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const Kn={DEG2RAD:Gn,RAD2DEG:Wn,generateUUID:Xn,clamp:jn,euclideanModulo:qn,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:Yn,damp:function(t,e,n,i){return Yn(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(qn(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(Hn=t);let e=Hn+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gn},radToDeg:function(t){return t*Wn},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Jn,denormalize:Zn};class $n{constructor(t=0,e=0){$n.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qn{constructor(t,e,n,i,r,s,a,o,l){Qn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],x=i[7],y=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*_+o*M,r[6]=s*g+a*x+o*S,r[1]=l*m+c*v+h*y,r[4]=l*f+c*_+h*M,r[7]=l*g+c*x+h*S,r[2]=u*m+d*v+p*y,r[5]=u*f+d*_+p*M,r[8]=u*g+d*x+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ga={common:{diffuse:{value:new Zr(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Qn}},envmap:{envMap:{value:null},envMapRotation:{value:new Qn},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Qn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Qn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Qn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Qn},normalScale:{value:new $n(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Qn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Qn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Qn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Qn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Zr(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Zr(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0},uvTransform:{value:new Qn}},sprite:{diffuse:{value:new Zr(16777215)},opacity:{value:1},center:{value:new $n(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}}},va={basic:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.fog]),vertexShader:fa.meshbasic_vert,fragmentShader:fa.meshbasic_frag},lambert:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshlambert_vert,fragmentShader:fa.meshlambert_frag},phong:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},specular:{value:new Zr(1118481)},shininess:{value:30}}]),vertexShader:fa.meshphong_vert,fragmentShader:fa.meshphong_frag},standard:{uniforms:js([ga.common,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.roughnessmap,ga.metalnessmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag},toon:{uniforms:js([ga.common,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.gradientmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshtoon_vert,fragmentShader:fa.meshtoon_frag},matcap:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,{matcap:{value:null}}]),vertexShader:fa.meshmatcap_vert,fragmentShader:fa.meshmatcap_frag},points:{uniforms:js([ga.points,ga.fog]),vertexShader:fa.points_vert,fragmentShader:fa.points_frag},dashed:{uniforms:js([ga.common,ga.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:fa.linedashed_vert,fragmentShader:fa.linedashed_frag},depth:{uniforms:js([ga.common,ga.displacementmap]),vertexShader:fa.depth_vert,fragmentShader:fa.depth_frag},normal:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,{opacity:{value:1}}]),vertexShader:fa.meshnormal_vert,fragmentShader:fa.meshnormal_frag},sprite:{uniforms:js([ga.sprite,ga.fog]),vertexShader:fa.sprite_vert,fragmentShader:fa.sprite_frag},background:{uniforms:{uvTransform:{value:new Qn},t2D:{value:null},backgroundIntensity:{value:1}},vertexShader:fa.background_vert,fragmentShader:fa.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0},backgroundIntensity:{value:1},backgroundRotation:{value:new Qn}},vertexShader:fa.backgroundCube_vert,fragmentShader:fa.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:fa.cube_vert,fragmentShader:fa.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:fa.equirect_vert,fragmentShader:fa.equirect_frag},distanceRGBA:{uniforms:js([ga.common,ga.displacementmap,{referencePosition:{value:new Pi},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:fa.distanceRGBA_vert,fragmentShader:fa.distanceRGBA_frag},shadow:{uniforms:js([ga.lights,ga.fog,{color:{value:new Zr(0)},opacity:{value:1}}]),vertexShader:fa.shadow_vert,fragmentShader:fa.shadow_frag}};va.physical={uniforms:js([va.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatMapTransform:{value:new Qn},clearcoatNormalMap:{value:null},clearcoatNormalMapTransform:{value:new Qn},clearcoatNormalScale:{value:new $n(1,1)},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatRoughnessMapTransform:{value:new Qn},dispersion:{value:0},iridescence:{value:0},iridescenceMap:{value:null},iridescenceMapTransform:{value:new Qn},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},iridescenceThicknessMapTransform:{value:new Qn},sheen:{value:0},sheenColor:{value:new Zr(0)},sheenColorMap:{value:null},sheenColorMapTransform:{value:new Qn},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},sheenRoughnessMapTransform:{value:new Qn},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new Qn},transmissionSamplerSize:{value:new $n},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new Qn},attenuationDistance:{value:0},attenuationColor:{value:new Zr(0)},specularColor:{value:new Zr(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new Qn},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new Qn},anisotropyVector:{value:new $n},anisotropyMap:{value:null},anisotropyMapTransform:{value:new Qn}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag};const _a={r:0,b:0,g:0},xa=new gr,ya=new ar;function Ma(t,e,n,i,r,s,a){const o=new Zr(0);let l,c,h=!0===s?0:1,p=null,m=0,f=null;function g(t){let i=!0===t.isScene?t.background:null;if(i&&i.isTexture){i=(t.backgroundBlurriness>0?n:e).get(i)}return i}function v(e,n){e.getRGB(_a,qs(t)),i.buffers.color.setClear(_a.r,_a.g,_a.b,n,a)}return{getClearColor:function(){return o},setClearColor:function(t,e=1){o.set(t),h=e,v(o,h)},getClearAlpha:function(){return h},setClearAlpha:function(t){h=t,v(o,h)},render:function(e){let n=!1;const r=g(e);null===r?v(o,h):r&&r.isColor&&(v(r,1),n=!0);const s=t.xr.getEnvironmentBlendMode();"additive"===s?i.buffers.color.setClear(0,0,0,1,a):"alpha-blend"===s&&i.buffers.color.setClear(0,0,0,0,a),(t.autoClear||n)&&(i.buffers.depth.setTest(!0),i.buffers.depth.setMask(!0),i.buffers.color.setMask(!0),t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil))},addToRenderList:function(e,n){const i=g(n);i&&(i.isCubeTexture||i.mapping===dt)?(void 0===c&&(c=new Hs(new Ws(1,1,1),new Zs({name:"BackgroundCubeMaterial",uniforms:Xs(va.backgroundCube.uniforms),vertexShader:va.backgroundCube.vertexShader,fragmentShader:va.backgroundCube.fragmentShader,side:d,depthTest:!1,depthWrite:!1,fog:!1})),c.geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(c)),xa.copy(n.backgroundRotation),xa.x*=-1,xa.y*=-1,xa.z*=-1,i.isCubeTexture&&!1===i.isRenderTargetTexture&&(xa.y*=-1,xa.z*=-1),c.material.uniforms.envMap.value=i,c.material.uniforms.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,c.material.uniforms.backgroundBlurriness.value=n.backgroundBlurriness,c.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,c.material.uniforms.backgroundRotation.value.setFromMatrix4(ya.makeRotationFromEuler(xa)),c.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,p===i&&m===i.version&&f===t.toneMapping||(c.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),c.layers.enableAll(),e.unshift(c,c.geometry,c.material,0,0,null)):i&&i.isTexture&&(void 0===l&&(l=new Hs(new ma(2,2),new Zs({name:"BackgroundMaterial",uniforms:Xs(va.background.uniforms),vertexShader:va.background.vertexShader,fragmentShader:va.background.fragmentShader,side:u,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),Object.defineProperty(l.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(l)),l.material.uniforms.t2D.value=i,l.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,l.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,!0===i.matrixAutoUpdate&&i.updateMatrix(),l.material.uniforms.uvTransform.value.copy(i.matrix),p===i&&m===i.version&&f===t.toneMapping||(l.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),l.layers.enableAll(),e.unshift(l,l.geometry,l.material,0,0,null))}}}function Sa(t,e){const n=t.getParameter(t.MAX_VERTEX_ATTRIBS),i={},r=c(null);let s=r,a=!1;function o(e){return t.bindVertexArray(e)}function l(e){return t.deleteVertexArray(e)}function c(t){const e=[],i=[],r=[];for(let t=0;t=0){const n=r[e];let 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l=!0===n.logarithmicDepthBuffer,c=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),h=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");r=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:s,textureFormatReadable:function(e){return e===kt||i.convert(e)===t.getParameter(t.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(n){const r=n===Ut&&(e.has("EXT_color_buffer_half_float")||e.has("EXT_color_buffer_float"));return!(n!==Et&&i.convert(n)!==t.getParameter(t.IMPLEMENTATION_COLOR_READ_TYPE)&&n!==Lt&&!r)},precision:a,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:h,maxTextureSize:t.getParameter(t.MAX_TEXTURE_SIZE),maxCubemapSize:t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:t.getParameter(t.MAX_VERTEX_ATTRIBS),maxVertexUniforms:t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:t.getParameter(t.MAX_VARYING_VECTORS),maxFragmentUniforms:t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),vertexTextures:h>0,maxSamples:t.getParameter(t.MAX_SAMPLES)}}function Ta(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new la,o=new Qn,l={value:null,needsUpdate:!1};function c(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length0);e.numPlanes=i,e.numIntersection=0}();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,o,e,h);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Ea(t){let e=new WeakMap;function n(t,e){return e===ht?t.mapping=lt:e===ut&&(t.mapping=ct),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(s===ht||s===ut){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new ra(s.height);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class Aa extends Js{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const Ra=[.125,.215,.35,.446,.526,.582],Ca=20,Pa=new Aa,Ia=new Zr;let La=null,Ua=0,Na=0,Da=!1;const Oa=(1+Math.sqrt(5))/2,Fa=1/Oa,Ba=[new Pi(-Oa,Fa,0),new Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let 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xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const e=i.groups;for(let c=0,h=e.length;cm||r.y>m)&&(r.x>m&&(s.x=Math.floor(m/g.x),r.x=s.x*g.x,u.mapSize.x=s.x),r.y>m&&(s.y=Math.floor(m/g.y),r.y=s.y*g.y,u.mapSize.y=s.y)),null===u.map||!0===p||!0===f){const t=this.type!==h?{minFilter:gt,magFilter:gt}:{};null!==u.map&&u.map.dispose(),u.map=new wi(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const v=u.getViewportCount();for(let t=0;t=1):-1!==N.indexOf("OpenGL ES")&&(U=parseFloat(/^OpenGL ES (\d)/.exec(N)[1]),L=U>=2);let D=null,O={};const F=t.getParameter(t.SCISSOR_BOX),B=t.getParameter(t.VIEWPORT),z=(new Si).fromArray(F),k=(new Si).fromArray(B);function V(e,n,i,r){const s=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.NEAREST);for(let a=0;ae?(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t},cover:function(t,e){const n=t.image&&t.image.width?t.image.width/t.image.height:1;return n>e?(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t},fill:function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t},getByteLength:Hl};function Wl(t,e,n,i,r,s,a){const o=e.has("WEBGL_multisampled_render_to_texture")?e.get("WEBGL_multisampled_render_to_texture"):null,l="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),c=new $n,h=new WeakMap;let u;const d=new WeakMap;let p=!1;try{p="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(t){}function m(t,e){return p?new OffscreenCanvas(t,e):ri("canvas")}function f(t,e,n){let i=1;const r=k(t);if((r.width>n||r.height>n)&&(i=n/Math.max(r.width,r.height)),i<1){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&t instanceof VideoFrame){const n=Math.floor(i*r.width),s=Math.floor(i*r.height);void 0===u&&(u=m(n,s));const a=e?m(n,s):u;a.width=n,a.height=s;return a.getContext("2d").drawImage(t,0,0,n,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+n+"x"+s+")."),a}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),t}return t}function g(t){return t.generateMipmaps&&t.minFilter!==gt&&t.minFilter!==Mt}function v(e){t.generateMipmap(e)}function _(n,i,r,s,a=!1){if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format 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o!==t.R16F&&o!==t.R32F&&o!==t.RG16F&&o!==t.RG32F&&o!==t.RGBA16F&&o!==t.RGBA32F||e.get("EXT_color_buffer_float"),o}function x(e,n){let i;return e?null===n||n===It||n===Ot?i=t.DEPTH24_STENCIL8:n===Lt?i=t.DEPTH32F_STENCIL8:n===Ct&&(i=t.DEPTH24_STENCIL8,console.warn("DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.")):null===n||n===It||n===Ot?i=t.DEPTH_COMPONENT24:n===Lt?i=t.DEPTH_COMPONENT32F:n===Ct&&(i=t.DEPTH_COMPONENT16),i}function y(t,e){return!0===g(t)||t.isFramebufferTexture&&t.minFilter!==gt&&t.minFilter!==Mt?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function M(t){const e=t.target;e.removeEventListener("dispose",M),function(t){const e=i.get(t);if(void 0===e.__webglInit)return;const n=t.source,r=d.get(n);if(r){const i=r[e.__cacheKey];i.usedTimes--,0===i.usedTimes&&b(t),0===Object.keys(r).length&&d.delete(n)}i.remove(t)}(e),e.isVideoTexture&&h.delete(e)}function S(e){const n=e.target;n.removeEventListener("dispose",S),function(e){const n=i.get(e);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++){if(Array.isArray(n.__webglFramebuffer[e]))for(let i=0;i0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void I(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const E={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[ft]:t.MIRRORED_REPEAT},A={[gt]:t.NEAREST,[vt]:t.NEAREST_MIPMAP_NEAREST,[xt]:t.NEAREST_MIPMAP_LINEAR,[Mt]:t.LINEAR,[St]:t.LINEAR_MIPMAP_NEAREST,[wt]:t.LINEAR_MIPMAP_LINEAR},R={512:t.NEVER,519:t.ALWAYS,513:t.LESS,[Sn]:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL};function C(n,s){if(s.type!==Lt||!1!==e.has("OES_texture_float_linear")||s.magFilter!==Mt&&s.magFilter!==St&&s.magFilter!==xt&&s.magFilter!==wt&&s.minFilter!==Mt&&s.minFilter!==St&&s.minFilter!==xt&&s.minFilter!==wt||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),t.texParameteri(n,t.TEXTURE_WRAP_S,E[s.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,E[s.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,E[s.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,A[s.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,A[s.minFilter]),s.compareFunction&&(t.texParameteri(n,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(n,t.TEXTURE_COMPARE_FUNC,R[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){if(s.magFilter===gt)return;if(s.minFilter!==xt&&s.minFilter!==wt)return;if(s.type===Lt&&!1===e.has("OES_texture_float_linear"))return;if(s.anisotropy>1||i.get(s).__currentAnisotropy){const a=e.get("EXT_texture_filter_anisotropic");t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy}}}function P(e,n){let i=!1;void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",M));const r=n.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,i=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&b(n)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return i}function I(e,a,o){let l=t.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=t.TEXTURE_3D);const c=P(e,a),h=a.source;n.bindTexture(l,e.__webglTexture,t.TEXTURE0+o);const u=i.get(h);if(h.version!==u.__version||!0===c){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),d=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);let p=f(a.image,!1,r.maxTextureSize);p=z(a,p);const m=s.convert(a.format,a.colorSpace),M=s.convert(a.type);let S,b=_(a.internalFormat,m,M,a.colorSpace,a.isVideoTexture);C(l,a);const w=a.mipmaps,T=!0!==a.isVideoTexture,E=void 0===u.__version||!0===c,A=h.dataReady,R=y(a,p);if(a.isDepthTexture)b=x(a.format===Wt,a.type),E&&(T?n.texStorage2D(t.TEXTURE_2D,1,b,p.width,p.height):n.texImage2D(t.TEXTURE_2D,0,b,p.width,p.height,0,m,M,null));else if(a.isDataTexture)if(w.length>0){T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const i=Hl(S.width,S.height,a.format,a.type);for(const r of a.layerUpdates){const s=S.data.subarray(r*i/S.data.BYTES_PER_ELEMENT,(r+1)*i/S.data.BYTES_PER_ELEMENT);n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,r,S.width,S.height,1,m,s,0,0)}a.clearLayerUpdates()}else n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,S.data,0,0)}else n.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,S.data,0,0);else console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");else T?A&&n.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,M,S.data):n.texImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,m,M,S.data)}else{T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const e=Hl(p.width,p.height,a.format,a.type);for(const i of a.layerUpdates){const r=p.data.subarray(i*e/p.data.BYTES_PER_ELEMENT,(i+1)*e/p.data.BYTES_PER_ELEMENT);n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,i,p.width,p.height,1,m,M,r)}a.clearLayerUpdates()}else n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)}else n.texImage3D(t.TEXTURE_2D_ARRAY,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isData3DTexture)T?(E&&n.texStorage3D(t.TEXTURE_3D,R,b,p.width,p.height,p.depth),A&&n.texSubImage3D(t.TEXTURE_3D,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)):n.texImage3D(t.TEXTURE_3D,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isFramebufferTexture){if(E)if(T)n.texStorage2D(t.TEXTURE_2D,R,b,p.width,p.height);else{let e=p.width,i=p.height;for(let r=0;r>=1,i>>=1}}else if(w.length>0){if(T&&E){const e=k(w[0]);n.texStorage2D(t.TEXTURE_2D,R,b,e.width,e.height)}for(let e=0,i=w.length;e>h),i=Math.max(1,r.height>>h);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?n.texImage3D(c,h,p,e,i,r.depth,0,u,d,null):n.texImage2D(c,h,p,e,i,0,u,d,null)}n.bindFramebuffer(t.FRAMEBUFFER,e),B(r)?o.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,0,F(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,h),n.bindFramebuffer(t.FRAMEBUFFER,null)}function U(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer){const r=n.depthTexture,s=r&&r.isDepthTexture?r.type:null,a=x(n.stencilBuffer,s),l=n.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,c=F(n);B(n)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,c,a,n.width,n.height):i?t.renderbufferStorageMultisample(t.RENDERBUFFER,c,a,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,a,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,l,t.RENDERBUFFER,e)}else{const e=n.textures;for(let r=0;r0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function z(t,e){const n=t.colorSpace,i=t.format,r=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||n!==Ze&&n!==qe&&(di.getTransfer(n)===Qe?i===kt&&r===Et||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",n)),e}function k(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(c.width=t.naturalWidth||t.width,c.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(c.width=t.displayWidth,c.height=t.displayHeight):(c.width=t.width,c.height=t.height),c}this.allocateTextureUnit=function(){const t=w;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+r.maxTextures),w+=1,t},this.resetTextureUnits=function(){w=0},this.setTexture2D=T,this.setTexture2DArray=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,a){const o=i.get(e);e.version>0&&o.__version!==e.version?function(e,a,o){if(6!==a.image.length)return;const l=P(e,a),c=a.source;n.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+o);const h=i.get(c);if(c.version!==h.__version||!0===l){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),u=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const d=a.isCompressedTexture||a.image[0].isCompressedTexture,p=a.image[0]&&a.image[0].isDataTexture,m=[];for(let t=0;t<6;t++)m[t]=d||p?p?a.image[t].image:a.image[t]:f(a.image[t],!0,r.maxCubemapSize),m[t]=z(a,m[t]);const x=m[0],M=s.convert(a.format,a.colorSpace),S=s.convert(a.type),b=_(a.internalFormat,M,S,a.colorSpace),w=!0!==a.isVideoTexture,T=void 0===h.__version||!0===l,E=c.dataReady;let A,R=y(a,x);if(C(t.TEXTURE_CUBE_MAP,a),d){w&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,x.width,x.height);for(let e=0;e<6;e++){A=m[e].mipmaps;for(let i=0;i0&&R++;const e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Yl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new ql;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Jl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Jl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new jl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,$l.copy(a),$l.x*=-1,$l.y*=-1,$l.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&($l.y*=-1,$l.z*=-1),t.envMapRotation.value.setFromMatrix4(Ql.makeRotationFromEuler($l)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function ec(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class ic{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new ic(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class rc{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new rc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class sc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ac{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:uc.clone(),uv:Wr.getInterpolation(uc,vc,_c,xc,yc,Mc,Sc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wc(t,e,n,i,r,s){mc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(fc.x=s*mc.x-r*mc.y,fc.y=r*mc.x+s*mc.y):fc.copy(mc),t.copy(e),t.x+=fc.x,t.y+=fc.y,t.applyMatrix4(gc)}const Tc=new Pi,Ec=new Pi;class Ac extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){Tc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(Tc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Tc.setFromMatrixPosition(t.matrixWorld),Ec.setFromMatrixPosition(this.matrixWorld);const n=Tc.distanceTo(Ec)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const eh=new ar,nh=new ar,ih=new ar,rh=new Zr(1,1,1),sh=new ar,ah=new ua,oh=new Ui,lh=new Ki,ch=new Pi,hh=new Pi,uh=new Pi,dh=new th,ph=new Hs,mh=[];function fh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;ih.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(rh.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);fh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,oh),oh.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;ph.material=this.material,ph.geometry.index=s.index,ph.geometry.attributes=s.attributes,null===ph.geometry.boundingBox&&(ph.geometry.boundingBox=new Ui),null===ph.geometry.boundingSphere&&(ph.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(sh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ah.setFromProjectionMatrix(sh,t.coordinateSystem));let m=0;if(this.sortObjects){nh.copy(this.matrixWorld).invert(),ch.setFromMatrixPosition(n.matrixWorld).applyMatrix4(nh),hh.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(nh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;bh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(bh);return oe.far?void 0:{distance:o,point:wh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Ah=new Pi,Rh=new Pi;class Ch extends Th{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Bh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class zh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class kh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Vh extends kh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hh extends kh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Gh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Wh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Xh extends Wh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Yh.subVectors(i[0],i[1]).add(i[0]),a=Yh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(Qh(a,o.x,l.x,c.x,h.x),Qh(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class du extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends fu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new gu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.vertices,t.indices,t.radius,t.details)}}class _u extends vu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new _u(t.radius,t.detail)}}const xu=new Pi,yu=new Pi,Mu=new Pi,Su=new Wr;class bu extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Ru(s,a,n,o,l,p,0),a};function Eu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=qu(s,t[s],t[s+1],a);return a&&Vu(a,a.next)&&(Yu(a),a=a.next),a}function Au(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Vu(i,i.next)&&0!==ku(i.prev,i,i.next))i=i.next;else{if(Yu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Ru(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Ou(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?Pu(t,i,r,s):Cu(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),Yu(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ru(t=Iu(Au(t),e,n),e,n,i,r,s,2):2===a&&Lu(t,e,n,i,r,s):Ru(Au(t),e,n,i,r,s,1);break}}function Cu(t){const e=t.prev,n=t,i=t.next;if(ku(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=rs?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&Bu(r,o,s,l,a,c,m.x,m.y)&&ku(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Pu(t,e,n,i){const r=t.prev,s=t,a=t.next;if(ku(r,s,a)>=0)return!1;const 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n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Hu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Xu(t,e)&&Xu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(ku(t.prev,t,e.prev)||ku(t,e.prev,e))||Vu(t,e)&&ku(t.prev,t,t.next)>0&&ku(e.prev,e,e.next)>0)}function ku(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Vu(t,e){return t.x===e.x&&t.y===e.y}function Hu(t,e,n,i){const r=Wu(ku(t,e,n)),s=Wu(ku(t,e,i)),a=Wu(ku(n,i,t)),o=Wu(ku(n,i,e));return r!==s&&a!==o||(!(0!==r||!Gu(t,n,e))||(!(0!==s||!Gu(t,i,e))||(!(0!==a||!Gu(n,t,i))||!(0!==o||!Gu(n,e,i)))))}function Gu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Wu(t){return t>0?1:t<0?-1:0}function Xu(t,e){return ku(t.prev,t,t.next)<0?ku(t,e,t.next)>=0&&ku(t,t.prev,e)>=0:ku(t,e,t.prev)<0||ku(t,t.next,e)<0}function ju(t,e){const n=new Zu(t.i,t.x,t.y),i=new Zu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function qu(t,e,n,i){const r=new Zu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Yu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Zu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Ju{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function $u(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class vd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class xd extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class yd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Sd extends vh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function bd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function wd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Td(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Ed(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ad(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Rd={convertArray:bd,isTypedArray:wd,getKeyframeOrder:Td,sortedArray:Ed,flattenJSON:Ad,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&wd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ud.prototype.TimeBufferType=Float32Array,Ud.prototype.ValueBufferType=Float32Array,Ud.prototype.DefaultInterpolation=Ue;class Nd extends Ud{constructor(t,e,n){super(t,e,n)}}Nd.prototype.ValueTypeName="bool",Nd.prototype.ValueBufferType=Array,Nd.prototype.DefaultInterpolation=Le,Nd.prototype.InterpolantFactoryMethodLinear=void 0,Nd.prototype.InterpolantFactoryMethodSmooth=void 0;class Dd extends Ud{}Dd.prototype.ValueTypeName="color";class Od extends Ud{}Od.prototype.ValueTypeName="number";class Fd extends Cd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Bd extends Ud{InterpolantFactoryMethodLinear(t){return new Fd(this.times,this.values,this.getValueSize(),t)}}Bd.prototype.ValueTypeName="quaternion",Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ud{constructor(t,e,n){super(t,e,n)}}zd.prototype.ValueTypeName="string",zd.prototype.ValueBufferType=Array,zd.prototype.DefaultInterpolation=Le,zd.prototype.InterpolantFactoryMethodLinear=void 0,zd.prototype.InterpolantFactoryMethodSmooth=void 0;class kd extends Ud{}kd.prototype.ValueTypeName="vector";class Vd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Hd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ud.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ad(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==qd[t])return void qd[t].push({onLoad:e,onProgress:n,onError:i});qd[t]=[],qd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=qd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new Yd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Gd.add(t,e);const n=qd[t];delete qd[t];for(let t=0,i=n.length;t{const n=qd[t];if(void 0===n)throw this.manager.itemError(t),e;delete qd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Jd extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:pd,SpriteMaterial:cc,RawShaderMaterial:md,ShaderMaterial:Zs,PointsMaterial:Ih,MeshPhysicalMaterial:gd,MeshStandardMaterial:fd,MeshPhongMaterial:vd,MeshToonMaterial:_d,MeshNormalMaterial:xd,MeshLambertMaterial:yd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:Md,LineDashedMaterial:Sd,LineBasicMaterial:vh,Material:$r}[t]}}class Sp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Wd(e);r=new $d(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new $d(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ac;break;case"Line":s=new Th(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ph(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ch(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Oh(l(t.geometry),c(t.material));break;case"Sprite":s=new bc(c(t.material));break;case"Group":s=new ql;break;case"Bone":s=new Bc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Gd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Gd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Gd.add(t,o),r.manager.itemStart(t)}}let Pp;class Ip{static getContext(){return void 0===Pp&&(Pp=new(window.AudioContext||window.webkitAudioContext)),Pp}static setContext(t){Pp=t}}class Lp extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Ip.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Up=new ar,Np=new ar,Dp=new ar;class Op{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Dp.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Np.elements[12]=-n,Up.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Dp),s=-r*e.aspect-i,a=r*e.aspect-i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Dp)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Np),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Up)}}class Fp{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Bp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Bp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Bp(){return("undefined"==typeof performance?Date:performance).now()}const zp=new Pi,kp=new Ci,Vp=new Pi,Hp=new Pi;class Gp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Ip.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Fp}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(zp,kp,Vp),Hp.set(0,0,-1).applyQuaternion(kp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(zp.x,t),e.positionY.linearRampToValueAtTime(zp.y,t),e.positionZ.linearRampToValueAtTime(zp.z,t),e.forwardX.linearRampToValueAtTime(Hp.x,t),e.forwardY.linearRampToValueAtTime(Hp.y,t),e.forwardZ.linearRampToValueAtTime(Hp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(zp.x,zp.y,zp.z),e.setOrientation(Hp.x,Hp.y,Hp.z,n.x,n.y,n.z)}}class Wp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $p="\\[\\]\\.:\\/",Qp=new RegExp("["+$p+"]","g"),tm="[^"+$p+"]",em="[^"+$p.replace("\\.","")+"]",nm=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",tm)+/(WCOD+)?/.source.replace("WCOD",em)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tm)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tm)+"$"),im=["material","materials","bones","map"];class rm{constructor(t,e,n){this.path=e,this.parsedPath=n||rm.parseTrackName(e),this.node=rm.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rm.Composite(t,e,n):new rm(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qp,"")}static parseTrackName(t){const e=nm.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==im.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new rm(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class am{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const om=new Float32Array(1);class lm extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Kp(rm.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ym).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Sm=new Pi,bm=new Pi;class wm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Sm.subVectors(t,this.start),bm.subVectors(this.end,this.start);const n=bm.dot(bm);let i=bm.dot(Sm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Tm=new Pi;class Em extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Km.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Km,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ef extends Ch{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new vh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class nf{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new uu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Ju.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new wu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t Date: Fri, 28 Jun 2024 12:13:47 +0200 Subject: [PATCH 19/48] r166 --- build/three.cjs | 2 +- build/three.module.js | 2 +- build/three.module.min.js | 2 +- package-lock.json | 2 +- package.json | 2 +- src/constants.js | 2 +- 6 files changed, 6 insertions(+), 6 deletions(-) diff --git a/build/three.cjs b/build/three.cjs index 057ca41607a5d0..f61a72d5b9af60 100644 --- a/build/three.cjs +++ b/build/three.cjs @@ -5,7 +5,7 @@ */ 'use strict'; -const REVISION = '166dev'; +const REVISION = '166'; const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; diff --git a/build/three.module.js b/build/three.module.js index ae1ff05ffc885d..35472f1c942431 100644 --- a/build/three.module.js +++ b/build/three.module.js @@ -3,7 +3,7 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const REVISION = '166dev'; +const REVISION = '166'; const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; diff --git a/build/three.module.min.js b/build/three.module.min.js index 381a9451dcecf8..a79ef7fa227cdd 100644 --- a/build/three.module.min.js +++ b/build/three.module.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const 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e-Math.abs(qn(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(Hn=t);let e=Hn+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gn},radToDeg:function(t){return t*Wn},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Jn,denormalize:Zn};class $n{constructor(t=0,e=0){$n.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 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this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return 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this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qn{constructor(t,e,n,i,r,s,a,o,l){Qn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],x=i[7],y=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*_+o*M,r[6]=s*g+a*x+o*S,r[1]=l*m+c*v+h*y,r[4]=l*f+c*_+h*M,r[7]=l*g+c*x+h*S,r[2]=u*m+d*v+p*y,r[5]=u*f+d*_+p*M,r[8]=u*g+d*x+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ga={common:{diffuse:{value:new Zr(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Qn}},envmap:{envMap:{value:null},envMapRotation:{value:new Qn},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Qn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Qn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Qn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Qn},normalScale:{value:new $n(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Qn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Qn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Qn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Qn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new 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Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;tv-4?i-v+4:0),4*(this._cubeSize-_),3*_,2*_),o.setRenderTarget(e),o.render(c,Pa)}}function ka(t,e,n){const i=new wi(t,e,n);return i.texture.mapping=dt,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Va(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function Ha(){return new Zs({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ga(){return new Zs({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Wa(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function Xa(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===ht||s===ut,o=s===lt||s===ct;if(a||o){let s=e.get(r);const l=void 0!==s?s.texture.pmremVersion:0;if(r.isRenderTargetTexture&&r.pmremVersion!==l)return null===n&&(n=new 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OPAQUE":"",fa.colorspace_pars_fragment,cl("linearToOutputTexel",n.outputColorSpace),n.useDepthPacking?"#define DEPTH_PACKING "+n.depthPacking:"","\n"].filter(ul).join("\n")),a=fl(a),a=dl(a,n),a=pl(a,n),o=fl(o),o=dl(o,n),o=pl(o,n),a=xl(a),o=xl(o),!0!==n.isRawShaderMaterial&&(M="#version 300 es\n",x=[g,"#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+x,y=["#define varying in",n.glslVersion===Fn?"":"layout(location = 0) out highp vec4 pc_fragColor;",n.glslVersion===Fn?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+y);const S=M+x+a,b=M+y+o,w=sl(r,r.VERTEX_SHADER,S),T=sl(r,r.FRAGMENT_SHADER,b);function E(e){if(t.debug.checkShaderErrors){const n=r.getProgramInfoLog(_).trim(),i=r.getShaderInfoLog(w).trim(),s=r.getShaderInfoLog(T).trim();let a=!0,o=!0;if(!1===r.getProgramParameter(_,r.LINK_STATUS))if(a=!1,"function"==typeof t.debug.onShaderError)t.debug.onShaderError(r,_,w,T);else{const t=ll(r,w,"vertex"),i=ll(r,T,"fragment");console.error("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(_,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+e.name+"\nMaterial Type: "+e.type+"\n\nProgram Info Log: "+n+"\n"+t+"\n"+i)}else""!==n?console.warn("THREE.WebGLProgram: Program Info Log:",n):""!==i&&""!==s||(o=!1);o&&(e.diagnostics={runnable:a,programLog:n,vertexShader:{log:i,prefix:x},fragmentShader:{log:s,prefix:y}})}r.deleteShader(w),r.deleteShader(T),A=new rl(r,_),R=function(t,e){const n={},i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES);for(let r=0;r0,q=s.clearcoat>0,Y=s.dispersion>0,Z=s.iridescence>0,J=s.sheen>0,$=s.transmission>0,Q=j&&!!s.anisotropyMap,tt=q&&!!s.clearcoatMap,et=q&&!!s.clearcoatNormalMap,nt=q&&!!s.clearcoatRoughnessMap,it=Z&&!!s.iridescenceMap,rt=Z&&!!s.iridescenceThicknessMap,st=J&&!!s.sheenColorMap,at=J&&!!s.sheenRoughnessMap,ot=!!s.specularMap,lt=!!s.specularColorMap,ct=!!s.specularIntensityMap,ht=$&&!!s.transmissionMap,ut=$&&!!s.thicknessMap,pt=!!s.gradientMap,mt=!!s.alphaMap,ft=s.alphaTest>0,gt=!!s.alphaHash,vt=!!s.extensions;let _t=K;s.toneMapped&&(null!==L&&!0!==L.isXRRenderTarget||(_t=t.toneMapping));const xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const 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e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Yl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new ql;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Jl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Jl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new jl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,$l.copy(a),$l.x*=-1,$l.y*=-1,$l.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&($l.y*=-1,$l.z*=-1),t.envMapRotation.value.setFromMatrix4(Ql.makeRotationFromEuler($l)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function ec(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class ic{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new ic(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class rc{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new rc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class sc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ac{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:uc.clone(),uv:Wr.getInterpolation(uc,vc,_c,xc,yc,Mc,Sc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wc(t,e,n,i,r,s){mc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(fc.x=s*mc.x-r*mc.y,fc.y=r*mc.x+s*mc.y):fc.copy(mc),t.copy(e),t.x+=fc.x,t.y+=fc.y,t.applyMatrix4(gc)}const Tc=new Pi,Ec=new Pi;class Ac extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){Tc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(Tc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Tc.setFromMatrixPosition(t.matrixWorld),Ec.setFromMatrixPosition(this.matrixWorld);const n=Tc.distanceTo(Ec)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const eh=new ar,nh=new ar,ih=new ar,rh=new Zr(1,1,1),sh=new ar,ah=new ua,oh=new Ui,lh=new Ki,ch=new Pi,hh=new Pi,uh=new Pi,dh=new th,ph=new Hs,mh=[];function fh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;ih.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(rh.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);fh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,oh),oh.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;ph.material=this.material,ph.geometry.index=s.index,ph.geometry.attributes=s.attributes,null===ph.geometry.boundingBox&&(ph.geometry.boundingBox=new Ui),null===ph.geometry.boundingSphere&&(ph.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(sh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ah.setFromProjectionMatrix(sh,t.coordinateSystem));let m=0;if(this.sortObjects){nh.copy(this.matrixWorld).invert(),ch.setFromMatrixPosition(n.matrixWorld).applyMatrix4(nh),hh.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(nh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;bh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(bh);return oe.far?void 0:{distance:o,point:wh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Ah=new Pi,Rh=new Pi;class Ch extends Th{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Bh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class zh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class kh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Vh extends kh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hh extends kh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Gh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Wh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Xh extends Wh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Yh.subVectors(i[0],i[1]).add(i[0]),a=Yh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(Qh(a,o.x,l.x,c.x,h.x),Qh(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class du extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends fu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new gu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.vertices,t.indices,t.radius,t.details)}}class _u extends vu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new _u(t.radius,t.detail)}}const xu=new Pi,yu=new Pi,Mu=new Pi,Su=new Wr;class bu extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Ru(s,a,n,o,l,p,0),a};function Eu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=qu(s,t[s],t[s+1],a);return a&&Vu(a,a.next)&&(Yu(a),a=a.next),a}function Au(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Vu(i,i.next)&&0!==ku(i.prev,i,i.next))i=i.next;else{if(Yu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Ru(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Ou(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?Pu(t,i,r,s):Cu(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),Yu(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ru(t=Iu(Au(t),e,n),e,n,i,r,s,2):2===a&&Lu(t,e,n,i,r,s):Ru(Au(t),e,n,i,r,s,1);break}}function Cu(t){const e=t.prev,n=t,i=t.next;if(ku(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=rs?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&Bu(r,o,s,l,a,c,m.x,m.y)&&ku(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Pu(t,e,n,i){const r=t.prev,s=t,a=t.next;if(ku(r,s,a)>=0)return!1;const 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n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Hu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Xu(t,e)&&Xu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(ku(t.prev,t,e.prev)||ku(t,e.prev,e))||Vu(t,e)&&ku(t.prev,t,t.next)>0&&ku(e.prev,e,e.next)>0)}function ku(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Vu(t,e){return t.x===e.x&&t.y===e.y}function Hu(t,e,n,i){const r=Wu(ku(t,e,n)),s=Wu(ku(t,e,i)),a=Wu(ku(n,i,t)),o=Wu(ku(n,i,e));return r!==s&&a!==o||(!(0!==r||!Gu(t,n,e))||(!(0!==s||!Gu(t,i,e))||(!(0!==a||!Gu(n,t,i))||!(0!==o||!Gu(n,e,i)))))}function Gu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Wu(t){return t>0?1:t<0?-1:0}function Xu(t,e){return ku(t.prev,t,t.next)<0?ku(t,e,t.next)>=0&&ku(t,t.prev,e)>=0:ku(t,e,t.prev)<0||ku(t,t.next,e)<0}function ju(t,e){const n=new Zu(t.i,t.x,t.y),i=new Zu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function qu(t,e,n,i){const r=new Zu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Yu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Zu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Ju{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function $u(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class vd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class xd extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class yd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Sd extends vh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function bd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function wd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Td(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Ed(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ad(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Rd={convertArray:bd,isTypedArray:wd,getKeyframeOrder:Td,sortedArray:Ed,flattenJSON:Ad,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&wd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ud.prototype.TimeBufferType=Float32Array,Ud.prototype.ValueBufferType=Float32Array,Ud.prototype.DefaultInterpolation=Ue;class Nd extends Ud{constructor(t,e,n){super(t,e,n)}}Nd.prototype.ValueTypeName="bool",Nd.prototype.ValueBufferType=Array,Nd.prototype.DefaultInterpolation=Le,Nd.prototype.InterpolantFactoryMethodLinear=void 0,Nd.prototype.InterpolantFactoryMethodSmooth=void 0;class Dd extends Ud{}Dd.prototype.ValueTypeName="color";class Od extends Ud{}Od.prototype.ValueTypeName="number";class Fd extends Cd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Bd extends Ud{InterpolantFactoryMethodLinear(t){return new Fd(this.times,this.values,this.getValueSize(),t)}}Bd.prototype.ValueTypeName="quaternion",Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ud{constructor(t,e,n){super(t,e,n)}}zd.prototype.ValueTypeName="string",zd.prototype.ValueBufferType=Array,zd.prototype.DefaultInterpolation=Le,zd.prototype.InterpolantFactoryMethodLinear=void 0,zd.prototype.InterpolantFactoryMethodSmooth=void 0;class kd extends Ud{}kd.prototype.ValueTypeName="vector";class Vd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Hd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ud.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ad(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==qd[t])return void qd[t].push({onLoad:e,onProgress:n,onError:i});qd[t]=[],qd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=qd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new Yd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Gd.add(t,e);const n=qd[t];delete qd[t];for(let t=0,i=n.length;t{const n=qd[t];if(void 0===n)throw this.manager.itemError(t),e;delete qd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Jd extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:pd,SpriteMaterial:cc,RawShaderMaterial:md,ShaderMaterial:Zs,PointsMaterial:Ih,MeshPhysicalMaterial:gd,MeshStandardMaterial:fd,MeshPhongMaterial:vd,MeshToonMaterial:_d,MeshNormalMaterial:xd,MeshLambertMaterial:yd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:Md,LineDashedMaterial:Sd,LineBasicMaterial:vh,Material:$r}[t]}}class Sp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Wd(e);r=new $d(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new $d(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ac;break;case"Line":s=new Th(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ph(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ch(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Oh(l(t.geometry),c(t.material));break;case"Sprite":s=new bc(c(t.material));break;case"Group":s=new ql;break;case"Bone":s=new Bc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Gd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Gd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Gd.add(t,o),r.manager.itemStart(t)}}let Pp;class Ip{static getContext(){return void 0===Pp&&(Pp=new(window.AudioContext||window.webkitAudioContext)),Pp}static setContext(t){Pp=t}}class Lp extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Ip.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Up=new ar,Np=new ar,Dp=new ar;class Op{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Dp.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Np.elements[12]=-n,Up.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Dp),s=-r*e.aspect-i,a=r*e.aspect-i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Dp)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Np),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Up)}}class Fp{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Bp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Bp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Bp(){return("undefined"==typeof performance?Date:performance).now()}const zp=new Pi,kp=new Ci,Vp=new Pi,Hp=new Pi;class Gp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Ip.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Fp}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(zp,kp,Vp),Hp.set(0,0,-1).applyQuaternion(kp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(zp.x,t),e.positionY.linearRampToValueAtTime(zp.y,t),e.positionZ.linearRampToValueAtTime(zp.z,t),e.forwardX.linearRampToValueAtTime(Hp.x,t),e.forwardY.linearRampToValueAtTime(Hp.y,t),e.forwardZ.linearRampToValueAtTime(Hp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(zp.x,zp.y,zp.z),e.setOrientation(Hp.x,Hp.y,Hp.z,n.x,n.y,n.z)}}class Wp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $p="\\[\\]\\.:\\/",Qp=new RegExp("["+$p+"]","g"),tm="[^"+$p+"]",em="[^"+$p.replace("\\.","")+"]",nm=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",tm)+/(WCOD+)?/.source.replace("WCOD",em)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tm)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tm)+"$"),im=["material","materials","bones","map"];class rm{constructor(t,e,n){this.path=e,this.parsedPath=n||rm.parseTrackName(e),this.node=rm.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rm.Composite(t,e,n):new rm(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qp,"")}static parseTrackName(t){const e=nm.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==im.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new rm(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class am{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const om=new Float32Array(1);class lm extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Kp(rm.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ym).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Sm=new Pi,bm=new Pi;class wm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Sm.subVectors(t,this.start),bm.subVectors(this.end,this.start);const n=bm.dot(bm);let i=bm.dot(Sm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Tm=new Pi;class Em extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Km.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Km,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ef extends Ch{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new vh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class nf{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new uu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Ju.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new wu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t>8&255]+Vn[t>>16&255]+Vn[t>>24&255]+"-"+Vn[255&e]+Vn[e>>8&255]+"-"+Vn[e>>16&15|64]+Vn[e>>24&255]+"-"+Vn[63&n|128]+Vn[n>>8&255]+"-"+Vn[n>>16&255]+Vn[n>>24&255]+Vn[255&i]+Vn[i>>8&255]+Vn[i>>16&255]+Vn[i>>24&255]).toLowerCase()}function jn(t,e,n){return Math.max(e,Math.min(n,t))}function qn(t,e){return(t%e+e)%e}function Yn(t,e,n){return(1-n)*t+n*e}function Zn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Jn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const Kn={DEG2RAD:Gn,RAD2DEG:Wn,generateUUID:Xn,clamp:jn,euclideanModulo:qn,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:Yn,damp:function(t,e,n,i){return Yn(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(qn(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(Hn=t);let e=Hn+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gn},radToDeg:function(t){return t*Wn},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Jn,denormalize:Zn};class $n{constructor(t=0,e=0){$n.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qn{constructor(t,e,n,i,r,s,a,o,l){Qn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],x=i[7],y=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*_+o*M,r[6]=s*g+a*x+o*S,r[1]=l*m+c*v+h*y,r[4]=l*f+c*_+h*M,r[7]=l*g+c*x+h*S,r[2]=u*m+d*v+p*y,r[5]=u*f+d*_+p*M,r[8]=u*g+d*x+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ga={common:{diffuse:{value:new Zr(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Qn}},envmap:{envMap:{value:null},envMapRotation:{value:new Qn},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Qn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Qn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Qn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Qn},normalScale:{value:new $n(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Qn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Qn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Qn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Qn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Zr(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Zr(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0},uvTransform:{value:new Qn}},sprite:{diffuse:{value:new Zr(16777215)},opacity:{value:1},center:{value:new $n(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}}},va={basic:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.fog]),vertexShader:fa.meshbasic_vert,fragmentShader:fa.meshbasic_frag},lambert:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshlambert_vert,fragmentShader:fa.meshlambert_frag},phong:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},specular:{value:new Zr(1118481)},shininess:{value:30}}]),vertexShader:fa.meshphong_vert,fragmentShader:fa.meshphong_frag},standard:{uniforms:js([ga.common,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.roughnessmap,ga.metalnessmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag},toon:{uniforms:js([ga.common,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.gradientmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshtoon_vert,fragmentShader:fa.meshtoon_frag},matcap:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,{matcap:{value:null}}]),vertexShader:fa.meshmatcap_vert,fragmentShader:fa.meshmatcap_frag},points:{uniforms:js([ga.points,ga.fog]),vertexShader:fa.points_vert,fragmentShader:fa.points_frag},dashed:{uniforms:js([ga.common,ga.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:fa.linedashed_vert,fragmentShader:fa.linedashed_frag},depth:{uniforms:js([ga.common,ga.displacementmap]),vertexShader:fa.depth_vert,fragmentShader:fa.depth_frag},normal:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,{opacity:{value:1}}]),vertexShader:fa.meshnormal_vert,fragmentShader:fa.meshnormal_frag},sprite:{uniforms:js([ga.sprite,ga.fog]),vertexShader:fa.sprite_vert,fragmentShader:fa.sprite_frag},background:{uniforms:{uvTransform:{value:new Qn},t2D:{value:null},backgroundIntensity:{value:1}},vertexShader:fa.background_vert,fragmentShader:fa.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0},backgroundIntensity:{value:1},backgroundRotation:{value:new Qn}},vertexShader:fa.backgroundCube_vert,fragmentShader:fa.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:fa.cube_vert,fragmentShader:fa.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:fa.equirect_vert,fragmentShader:fa.equirect_frag},distanceRGBA:{uniforms:js([ga.common,ga.displacementmap,{referencePosition:{value:new Pi},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:fa.distanceRGBA_vert,fragmentShader:fa.distanceRGBA_frag},shadow:{uniforms:js([ga.lights,ga.fog,{color:{value:new Zr(0)},opacity:{value:1}}]),vertexShader:fa.shadow_vert,fragmentShader:fa.shadow_frag}};va.physical={uniforms:js([va.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatMapTransform:{value:new Qn},clearcoatNormalMap:{value:null},clearcoatNormalMapTransform:{value:new Qn},clearcoatNormalScale:{value:new $n(1,1)},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatRoughnessMapTransform:{value:new Qn},dispersion:{value:0},iridescence:{value:0},iridescenceMap:{value:null},iridescenceMapTransform:{value:new Qn},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},iridescenceThicknessMapTransform:{value:new Qn},sheen:{value:0},sheenColor:{value:new Zr(0)},sheenColorMap:{value:null},sheenColorMapTransform:{value:new Qn},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},sheenRoughnessMapTransform:{value:new Qn},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new Qn},transmissionSamplerSize:{value:new $n},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new Qn},attenuationDistance:{value:0},attenuationColor:{value:new Zr(0)},specularColor:{value:new Zr(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new Qn},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new Qn},anisotropyVector:{value:new $n},anisotropyMap:{value:null},anisotropyMapTransform:{value:new Qn}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag};const _a={r:0,b:0,g:0},xa=new gr,ya=new ar;function Ma(t,e,n,i,r,s,a){const o=new Zr(0);let l,c,h=!0===s?0:1,p=null,m=0,f=null;function g(t){let i=!0===t.isScene?t.background:null;if(i&&i.isTexture){i=(t.backgroundBlurriness>0?n:e).get(i)}return i}function v(e,n){e.getRGB(_a,qs(t)),i.buffers.color.setClear(_a.r,_a.g,_a.b,n,a)}return{getClearColor:function(){return o},setClearColor:function(t,e=1){o.set(t),h=e,v(o,h)},getClearAlpha:function(){return h},setClearAlpha:function(t){h=t,v(o,h)},render:function(e){let n=!1;const r=g(e);null===r?v(o,h):r&&r.isColor&&(v(r,1),n=!0);const s=t.xr.getEnvironmentBlendMode();"additive"===s?i.buffers.color.setClear(0,0,0,1,a):"alpha-blend"===s&&i.buffers.color.setClear(0,0,0,0,a),(t.autoClear||n)&&(i.buffers.depth.setTest(!0),i.buffers.depth.setMask(!0),i.buffers.color.setMask(!0),t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil))},addToRenderList:function(e,n){const i=g(n);i&&(i.isCubeTexture||i.mapping===dt)?(void 0===c&&(c=new Hs(new Ws(1,1,1),new Zs({name:"BackgroundCubeMaterial",uniforms:Xs(va.backgroundCube.uniforms),vertexShader:va.backgroundCube.vertexShader,fragmentShader:va.backgroundCube.fragmentShader,side:d,depthTest:!1,depthWrite:!1,fog:!1})),c.geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(c)),xa.copy(n.backgroundRotation),xa.x*=-1,xa.y*=-1,xa.z*=-1,i.isCubeTexture&&!1===i.isRenderTargetTexture&&(xa.y*=-1,xa.z*=-1),c.material.uniforms.envMap.value=i,c.material.uniforms.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,c.material.uniforms.backgroundBlurriness.value=n.backgroundBlurriness,c.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,c.material.uniforms.backgroundRotation.value.setFromMatrix4(ya.makeRotationFromEuler(xa)),c.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,p===i&&m===i.version&&f===t.toneMapping||(c.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),c.layers.enableAll(),e.unshift(c,c.geometry,c.material,0,0,null)):i&&i.isTexture&&(void 0===l&&(l=new Hs(new ma(2,2),new Zs({name:"BackgroundMaterial",uniforms:Xs(va.background.uniforms),vertexShader:va.background.vertexShader,fragmentShader:va.background.fragmentShader,side:u,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),Object.defineProperty(l.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(l)),l.material.uniforms.t2D.value=i,l.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,l.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,!0===i.matrixAutoUpdate&&i.updateMatrix(),l.material.uniforms.uvTransform.value.copy(i.matrix),p===i&&m===i.version&&f===t.toneMapping||(l.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),l.layers.enableAll(),e.unshift(l,l.geometry,l.material,0,0,null))}}}function Sa(t,e){const n=t.getParameter(t.MAX_VERTEX_ATTRIBS),i={},r=c(null);let s=r,a=!1;function o(e){return t.bindVertexArray(e)}function l(e){return t.deleteVertexArray(e)}function c(t){const e=[],i=[],r=[];for(let t=0;t=0){const n=r[e];let 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l=!0===n.logarithmicDepthBuffer,c=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),h=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");r=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:s,textureFormatReadable:function(e){return e===kt||i.convert(e)===t.getParameter(t.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(n){const r=n===Ut&&(e.has("EXT_color_buffer_half_float")||e.has("EXT_color_buffer_float"));return!(n!==Et&&i.convert(n)!==t.getParameter(t.IMPLEMENTATION_COLOR_READ_TYPE)&&n!==Lt&&!r)},precision:a,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:h,maxTextureSize:t.getParameter(t.MAX_TEXTURE_SIZE),maxCubemapSize:t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:t.getParameter(t.MAX_VERTEX_ATTRIBS),maxVertexUniforms:t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:t.getParameter(t.MAX_VARYING_VECTORS),maxFragmentUniforms:t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),vertexTextures:h>0,maxSamples:t.getParameter(t.MAX_SAMPLES)}}function Ta(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new la,o=new Qn,l={value:null,needsUpdate:!1};function c(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length0);e.numPlanes=i,e.numIntersection=0}();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,o,e,h);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Ea(t){let e=new WeakMap;function n(t,e){return e===ht?t.mapping=lt:e===ut&&(t.mapping=ct),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(s===ht||s===ut){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new ra(s.height);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class Aa extends Js{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const Ra=[.125,.215,.35,.446,.526,.582],Ca=20,Pa=new Aa,Ia=new Zr;let La=null,Ua=0,Na=0,Da=!1;const Oa=(1+Math.sqrt(5))/2,Fa=1/Oa,Ba=[new Pi(-Oa,Fa,0),new Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let 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xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const e=i.groups;for(let c=0,h=e.length;cm||r.y>m)&&(r.x>m&&(s.x=Math.floor(m/g.x),r.x=s.x*g.x,u.mapSize.x=s.x),r.y>m&&(s.y=Math.floor(m/g.y),r.y=s.y*g.y,u.mapSize.y=s.y)),null===u.map||!0===p||!0===f){const t=this.type!==h?{minFilter:gt,magFilter:gt}:{};null!==u.map&&u.map.dispose(),u.map=new wi(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const v=u.getViewportCount();for(let t=0;t=1):-1!==N.indexOf("OpenGL ES")&&(U=parseFloat(/^OpenGL ES (\d)/.exec(N)[1]),L=U>=2);let D=null,O={};const F=t.getParameter(t.SCISSOR_BOX),B=t.getParameter(t.VIEWPORT),z=(new Si).fromArray(F),k=(new Si).fromArray(B);function V(e,n,i,r){const s=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.NEAREST);for(let a=0;ae?(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t},cover:function(t,e){const n=t.image&&t.image.width?t.image.width/t.image.height:1;return n>e?(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t},fill:function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t},getByteLength:Hl};function Wl(t,e,n,i,r,s,a){const o=e.has("WEBGL_multisampled_render_to_texture")?e.get("WEBGL_multisampled_render_to_texture"):null,l="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),c=new $n,h=new WeakMap;let u;const d=new WeakMap;let p=!1;try{p="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(t){}function m(t,e){return p?new OffscreenCanvas(t,e):ri("canvas")}function f(t,e,n){let i=1;const r=k(t);if((r.width>n||r.height>n)&&(i=n/Math.max(r.width,r.height)),i<1){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&t instanceof VideoFrame){const n=Math.floor(i*r.width),s=Math.floor(i*r.height);void 0===u&&(u=m(n,s));const a=e?m(n,s):u;a.width=n,a.height=s;return a.getContext("2d").drawImage(t,0,0,n,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+n+"x"+s+")."),a}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),t}return t}function g(t){return t.generateMipmaps&&t.minFilter!==gt&&t.minFilter!==Mt}function v(e){t.generateMipmap(e)}function _(n,i,r,s,a=!1){if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format 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o!==t.R16F&&o!==t.R32F&&o!==t.RG16F&&o!==t.RG32F&&o!==t.RGBA16F&&o!==t.RGBA32F||e.get("EXT_color_buffer_float"),o}function x(e,n){let i;return e?null===n||n===It||n===Ot?i=t.DEPTH24_STENCIL8:n===Lt?i=t.DEPTH32F_STENCIL8:n===Ct&&(i=t.DEPTH24_STENCIL8,console.warn("DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.")):null===n||n===It||n===Ot?i=t.DEPTH_COMPONENT24:n===Lt?i=t.DEPTH_COMPONENT32F:n===Ct&&(i=t.DEPTH_COMPONENT16),i}function y(t,e){return!0===g(t)||t.isFramebufferTexture&&t.minFilter!==gt&&t.minFilter!==Mt?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function M(t){const e=t.target;e.removeEventListener("dispose",M),function(t){const e=i.get(t);if(void 0===e.__webglInit)return;const n=t.source,r=d.get(n);if(r){const i=r[e.__cacheKey];i.usedTimes--,0===i.usedTimes&&b(t),0===Object.keys(r).length&&d.delete(n)}i.remove(t)}(e),e.isVideoTexture&&h.delete(e)}function S(e){const n=e.target;n.removeEventListener("dispose",S),function(e){const n=i.get(e);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++){if(Array.isArray(n.__webglFramebuffer[e]))for(let i=0;i0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void I(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const E={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[ft]:t.MIRRORED_REPEAT},A={[gt]:t.NEAREST,[vt]:t.NEAREST_MIPMAP_NEAREST,[xt]:t.NEAREST_MIPMAP_LINEAR,[Mt]:t.LINEAR,[St]:t.LINEAR_MIPMAP_NEAREST,[wt]:t.LINEAR_MIPMAP_LINEAR},R={512:t.NEVER,519:t.ALWAYS,513:t.LESS,[Sn]:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL};function C(n,s){if(s.type!==Lt||!1!==e.has("OES_texture_float_linear")||s.magFilter!==Mt&&s.magFilter!==St&&s.magFilter!==xt&&s.magFilter!==wt&&s.minFilter!==Mt&&s.minFilter!==St&&s.minFilter!==xt&&s.minFilter!==wt||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),t.texParameteri(n,t.TEXTURE_WRAP_S,E[s.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,E[s.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,E[s.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,A[s.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,A[s.minFilter]),s.compareFunction&&(t.texParameteri(n,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(n,t.TEXTURE_COMPARE_FUNC,R[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){if(s.magFilter===gt)return;if(s.minFilter!==xt&&s.minFilter!==wt)return;if(s.type===Lt&&!1===e.has("OES_texture_float_linear"))return;if(s.anisotropy>1||i.get(s).__currentAnisotropy){const a=e.get("EXT_texture_filter_anisotropic");t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy}}}function P(e,n){let i=!1;void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",M));const r=n.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,i=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&b(n)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return i}function I(e,a,o){let l=t.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=t.TEXTURE_3D);const c=P(e,a),h=a.source;n.bindTexture(l,e.__webglTexture,t.TEXTURE0+o);const u=i.get(h);if(h.version!==u.__version||!0===c){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),d=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);let p=f(a.image,!1,r.maxTextureSize);p=z(a,p);const m=s.convert(a.format,a.colorSpace),M=s.convert(a.type);let S,b=_(a.internalFormat,m,M,a.colorSpace,a.isVideoTexture);C(l,a);const w=a.mipmaps,T=!0!==a.isVideoTexture,E=void 0===u.__version||!0===c,A=h.dataReady,R=y(a,p);if(a.isDepthTexture)b=x(a.format===Wt,a.type),E&&(T?n.texStorage2D(t.TEXTURE_2D,1,b,p.width,p.height):n.texImage2D(t.TEXTURE_2D,0,b,p.width,p.height,0,m,M,null));else if(a.isDataTexture)if(w.length>0){T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const i=Hl(S.width,S.height,a.format,a.type);for(const r of a.layerUpdates){const s=S.data.subarray(r*i/S.data.BYTES_PER_ELEMENT,(r+1)*i/S.data.BYTES_PER_ELEMENT);n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,r,S.width,S.height,1,m,s,0,0)}a.clearLayerUpdates()}else n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,S.data,0,0)}else n.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,S.data,0,0);else console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");else T?A&&n.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,M,S.data):n.texImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,m,M,S.data)}else{T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const e=Hl(p.width,p.height,a.format,a.type);for(const i of a.layerUpdates){const r=p.data.subarray(i*e/p.data.BYTES_PER_ELEMENT,(i+1)*e/p.data.BYTES_PER_ELEMENT);n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,i,p.width,p.height,1,m,M,r)}a.clearLayerUpdates()}else n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)}else n.texImage3D(t.TEXTURE_2D_ARRAY,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isData3DTexture)T?(E&&n.texStorage3D(t.TEXTURE_3D,R,b,p.width,p.height,p.depth),A&&n.texSubImage3D(t.TEXTURE_3D,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)):n.texImage3D(t.TEXTURE_3D,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isFramebufferTexture){if(E)if(T)n.texStorage2D(t.TEXTURE_2D,R,b,p.width,p.height);else{let e=p.width,i=p.height;for(let r=0;r>=1,i>>=1}}else if(w.length>0){if(T&&E){const e=k(w[0]);n.texStorage2D(t.TEXTURE_2D,R,b,e.width,e.height)}for(let e=0,i=w.length;e>h),i=Math.max(1,r.height>>h);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?n.texImage3D(c,h,p,e,i,r.depth,0,u,d,null):n.texImage2D(c,h,p,e,i,0,u,d,null)}n.bindFramebuffer(t.FRAMEBUFFER,e),B(r)?o.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,0,F(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,h),n.bindFramebuffer(t.FRAMEBUFFER,null)}function U(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer){const r=n.depthTexture,s=r&&r.isDepthTexture?r.type:null,a=x(n.stencilBuffer,s),l=n.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,c=F(n);B(n)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,c,a,n.width,n.height):i?t.renderbufferStorageMultisample(t.RENDERBUFFER,c,a,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,a,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,l,t.RENDERBUFFER,e)}else{const e=n.textures;for(let r=0;r0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function z(t,e){const n=t.colorSpace,i=t.format,r=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||n!==Ze&&n!==qe&&(di.getTransfer(n)===Qe?i===kt&&r===Et||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",n)),e}function k(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(c.width=t.naturalWidth||t.width,c.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(c.width=t.displayWidth,c.height=t.displayHeight):(c.width=t.width,c.height=t.height),c}this.allocateTextureUnit=function(){const t=w;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+r.maxTextures),w+=1,t},this.resetTextureUnits=function(){w=0},this.setTexture2D=T,this.setTexture2DArray=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,a){const o=i.get(e);e.version>0&&o.__version!==e.version?function(e,a,o){if(6!==a.image.length)return;const l=P(e,a),c=a.source;n.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+o);const h=i.get(c);if(c.version!==h.__version||!0===l){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),u=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const d=a.isCompressedTexture||a.image[0].isCompressedTexture,p=a.image[0]&&a.image[0].isDataTexture,m=[];for(let t=0;t<6;t++)m[t]=d||p?p?a.image[t].image:a.image[t]:f(a.image[t],!0,r.maxCubemapSize),m[t]=z(a,m[t]);const x=m[0],M=s.convert(a.format,a.colorSpace),S=s.convert(a.type),b=_(a.internalFormat,M,S,a.colorSpace),w=!0!==a.isVideoTexture,T=void 0===h.__version||!0===l,E=c.dataReady;let A,R=y(a,x);if(C(t.TEXTURE_CUBE_MAP,a),d){w&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,x.width,x.height);for(let e=0;e<6;e++){A=m[e].mipmaps;for(let i=0;i0&&R++;const e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Yl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new ql;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Jl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Jl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new jl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,$l.copy(a),$l.x*=-1,$l.y*=-1,$l.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&($l.y*=-1,$l.z*=-1),t.envMapRotation.value.setFromMatrix4(Ql.makeRotationFromEuler($l)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function ec(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class ic{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new ic(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class rc{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new rc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class sc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ac{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:uc.clone(),uv:Wr.getInterpolation(uc,vc,_c,xc,yc,Mc,Sc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wc(t,e,n,i,r,s){mc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(fc.x=s*mc.x-r*mc.y,fc.y=r*mc.x+s*mc.y):fc.copy(mc),t.copy(e),t.x+=fc.x,t.y+=fc.y,t.applyMatrix4(gc)}const Tc=new Pi,Ec=new Pi;class Ac extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){Tc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(Tc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Tc.setFromMatrixPosition(t.matrixWorld),Ec.setFromMatrixPosition(this.matrixWorld);const n=Tc.distanceTo(Ec)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const eh=new ar,nh=new ar,ih=new ar,rh=new Zr(1,1,1),sh=new ar,ah=new ua,oh=new Ui,lh=new Ki,ch=new Pi,hh=new Pi,uh=new Pi,dh=new th,ph=new Hs,mh=[];function fh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;ih.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(rh.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);fh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,oh),oh.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;ph.material=this.material,ph.geometry.index=s.index,ph.geometry.attributes=s.attributes,null===ph.geometry.boundingBox&&(ph.geometry.boundingBox=new Ui),null===ph.geometry.boundingSphere&&(ph.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(sh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ah.setFromProjectionMatrix(sh,t.coordinateSystem));let m=0;if(this.sortObjects){nh.copy(this.matrixWorld).invert(),ch.setFromMatrixPosition(n.matrixWorld).applyMatrix4(nh),hh.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(nh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;bh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(bh);return oe.far?void 0:{distance:o,point:wh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Ah=new Pi,Rh=new Pi;class Ch extends Th{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Bh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class zh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class kh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Vh extends kh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hh extends kh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Gh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Wh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Xh extends Wh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Yh.subVectors(i[0],i[1]).add(i[0]),a=Yh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(Qh(a,o.x,l.x,c.x,h.x),Qh(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class du extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends fu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new gu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.vertices,t.indices,t.radius,t.details)}}class _u extends vu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new _u(t.radius,t.detail)}}const xu=new Pi,yu=new Pi,Mu=new Pi,Su=new Wr;class bu extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Ru(s,a,n,o,l,p,0),a};function Eu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=qu(s,t[s],t[s+1],a);return a&&Vu(a,a.next)&&(Yu(a),a=a.next),a}function Au(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Vu(i,i.next)&&0!==ku(i.prev,i,i.next))i=i.next;else{if(Yu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Ru(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Ou(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?Pu(t,i,r,s):Cu(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),Yu(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ru(t=Iu(Au(t),e,n),e,n,i,r,s,2):2===a&&Lu(t,e,n,i,r,s):Ru(Au(t),e,n,i,r,s,1);break}}function Cu(t){const e=t.prev,n=t,i=t.next;if(ku(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=rs?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&Bu(r,o,s,l,a,c,m.x,m.y)&&ku(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Pu(t,e,n,i){const r=t.prev,s=t,a=t.next;if(ku(r,s,a)>=0)return!1;const 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n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Hu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Xu(t,e)&&Xu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(ku(t.prev,t,e.prev)||ku(t,e.prev,e))||Vu(t,e)&&ku(t.prev,t,t.next)>0&&ku(e.prev,e,e.next)>0)}function ku(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Vu(t,e){return t.x===e.x&&t.y===e.y}function Hu(t,e,n,i){const r=Wu(ku(t,e,n)),s=Wu(ku(t,e,i)),a=Wu(ku(n,i,t)),o=Wu(ku(n,i,e));return r!==s&&a!==o||(!(0!==r||!Gu(t,n,e))||(!(0!==s||!Gu(t,i,e))||(!(0!==a||!Gu(n,t,i))||!(0!==o||!Gu(n,e,i)))))}function Gu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Wu(t){return t>0?1:t<0?-1:0}function Xu(t,e){return ku(t.prev,t,t.next)<0?ku(t,e,t.next)>=0&&ku(t,t.prev,e)>=0:ku(t,e,t.prev)<0||ku(t,t.next,e)<0}function ju(t,e){const n=new Zu(t.i,t.x,t.y),i=new Zu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function qu(t,e,n,i){const r=new Zu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Yu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Zu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Ju{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function $u(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class vd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class xd extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class yd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Sd extends vh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function bd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function wd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Td(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Ed(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ad(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Rd={convertArray:bd,isTypedArray:wd,getKeyframeOrder:Td,sortedArray:Ed,flattenJSON:Ad,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&wd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ud.prototype.TimeBufferType=Float32Array,Ud.prototype.ValueBufferType=Float32Array,Ud.prototype.DefaultInterpolation=Ue;class Nd extends Ud{constructor(t,e,n){super(t,e,n)}}Nd.prototype.ValueTypeName="bool",Nd.prototype.ValueBufferType=Array,Nd.prototype.DefaultInterpolation=Le,Nd.prototype.InterpolantFactoryMethodLinear=void 0,Nd.prototype.InterpolantFactoryMethodSmooth=void 0;class Dd extends Ud{}Dd.prototype.ValueTypeName="color";class Od extends Ud{}Od.prototype.ValueTypeName="number";class Fd extends Cd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Bd extends Ud{InterpolantFactoryMethodLinear(t){return new Fd(this.times,this.values,this.getValueSize(),t)}}Bd.prototype.ValueTypeName="quaternion",Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ud{constructor(t,e,n){super(t,e,n)}}zd.prototype.ValueTypeName="string",zd.prototype.ValueBufferType=Array,zd.prototype.DefaultInterpolation=Le,zd.prototype.InterpolantFactoryMethodLinear=void 0,zd.prototype.InterpolantFactoryMethodSmooth=void 0;class kd extends Ud{}kd.prototype.ValueTypeName="vector";class Vd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Hd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ud.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ad(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==qd[t])return void qd[t].push({onLoad:e,onProgress:n,onError:i});qd[t]=[],qd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=qd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new Yd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Gd.add(t,e);const n=qd[t];delete qd[t];for(let t=0,i=n.length;t{const n=qd[t];if(void 0===n)throw this.manager.itemError(t),e;delete qd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Jd extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:pd,SpriteMaterial:cc,RawShaderMaterial:md,ShaderMaterial:Zs,PointsMaterial:Ih,MeshPhysicalMaterial:gd,MeshStandardMaterial:fd,MeshPhongMaterial:vd,MeshToonMaterial:_d,MeshNormalMaterial:xd,MeshLambertMaterial:yd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:Md,LineDashedMaterial:Sd,LineBasicMaterial:vh,Material:$r}[t]}}class Sp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Wd(e);r=new $d(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new $d(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ac;break;case"Line":s=new Th(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ph(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ch(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Oh(l(t.geometry),c(t.material));break;case"Sprite":s=new bc(c(t.material));break;case"Group":s=new ql;break;case"Bone":s=new Bc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Gd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Gd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Gd.add(t,o),r.manager.itemStart(t)}}let Pp;class Ip{static getContext(){return void 0===Pp&&(Pp=new(window.AudioContext||window.webkitAudioContext)),Pp}static setContext(t){Pp=t}}class Lp extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Ip.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Up=new ar,Np=new ar,Dp=new ar;class Op{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Dp.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Np.elements[12]=-n,Up.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Dp),s=-r*e.aspect-i,a=r*e.aspect-i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Dp)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Np),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Up)}}class Fp{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Bp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Bp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Bp(){return("undefined"==typeof performance?Date:performance).now()}const zp=new Pi,kp=new Ci,Vp=new Pi,Hp=new Pi;class Gp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Ip.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Fp}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(zp,kp,Vp),Hp.set(0,0,-1).applyQuaternion(kp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(zp.x,t),e.positionY.linearRampToValueAtTime(zp.y,t),e.positionZ.linearRampToValueAtTime(zp.z,t),e.forwardX.linearRampToValueAtTime(Hp.x,t),e.forwardY.linearRampToValueAtTime(Hp.y,t),e.forwardZ.linearRampToValueAtTime(Hp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(zp.x,zp.y,zp.z),e.setOrientation(Hp.x,Hp.y,Hp.z,n.x,n.y,n.z)}}class Wp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $p="\\[\\]\\.:\\/",Qp=new RegExp("["+$p+"]","g"),tm="[^"+$p+"]",em="[^"+$p.replace("\\.","")+"]",nm=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",tm)+/(WCOD+)?/.source.replace("WCOD",em)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tm)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tm)+"$"),im=["material","materials","bones","map"];class rm{constructor(t,e,n){this.path=e,this.parsedPath=n||rm.parseTrackName(e),this.node=rm.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rm.Composite(t,e,n):new rm(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qp,"")}static parseTrackName(t){const e=nm.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==im.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new rm(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class am{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const om=new Float32Array(1);class lm extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Kp(rm.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ym).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Sm=new Pi,bm=new Pi;class wm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Sm.subVectors(t,this.start),bm.subVectors(this.end,this.start);const n=bm.dot(bm);let i=bm.dot(Sm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Tm=new Pi;class Em extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Km.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Km,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ef extends Ch{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new vh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class nf{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new uu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Ju.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new wu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t Date: Sat, 29 Jun 2024 16:56:15 +0900 Subject: [PATCH 20/48] WebGPURenderer: BatchMesh support for Instanced rendering with sorting, frustum culling (#28753) * WebGPURenderer: Full BatchMesh Support in both backend * cleanup * fix circular deps * webgpu wip * cleanup webgup * webgpu * cleanup * cleanup * cleanup * add the ability to specify nodeType in TextureNode and CubeTextureNode * drawIndex * cleanup * fix uint override to indirectTexture in BatchNode * update batch mesh example * fix glslnodebuilder * cleanup and fix glsl * more cleanup * cleanup and feedbacks * minor cleanup --------- Co-authored-by: sunag --- examples/jsm/nodes/Nodes.js | 2 +- examples/jsm/nodes/accessors/BatchNode.js | 31 +++++++-- examples/jsm/nodes/accessors/TextureNode.js | 11 ++++ examples/jsm/nodes/core/IndexNode.js | 6 ++ examples/jsm/nodes/core/NodeBuilder.js | 6 ++ examples/jsm/renderers/webgl/WebGLBackend.js | 7 +- .../renderers/webgl/nodes/GLSLNodeBuilder.js | 64 +++++++++++++++---- .../renderers/webgl/utils/WebGLConstants.js | 1 + .../jsm/renderers/webgpu/WebGPUBackend.js | 16 ++++- .../renderers/webgpu/nodes/WGSLNodeBuilder.js | 6 ++ examples/webgpu_mesh_batch.html | 11 +++- 11 files changed, 138 insertions(+), 23 deletions(-) diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index fc52742f25fcaa..5a8c07746f4fb1 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -11,7 +11,7 @@ export { default as BypassNode, bypass } from './core/BypassNode.js'; export { default as CacheNode, cache } from './core/CacheNode.js'; export { default as ConstNode } from './core/ConstNode.js'; export { default as ContextNode, context, label } from './core/ContextNode.js'; -export { default as IndexNode, vertexIndex, instanceIndex } from './core/IndexNode.js'; +export { default as IndexNode, vertexIndex, instanceIndex, drawIndex } from './core/IndexNode.js'; export { default as LightingModel } from './core/LightingModel.js'; export { default as Node, addNodeClass, createNodeFromType } from './core/Node.js'; export { default as VarNode, temp } from './core/VarNode.js'; diff --git a/examples/jsm/nodes/accessors/BatchNode.js b/examples/jsm/nodes/accessors/BatchNode.js index e45ce16754117c..c5b8f1e757fd5e 100644 --- a/examples/jsm/nodes/accessors/BatchNode.js +++ b/examples/jsm/nodes/accessors/BatchNode.js @@ -1,11 +1,11 @@ import Node, { addNodeClass } from '../core/Node.js'; import { normalLocal } from './NormalNode.js'; import { positionLocal } from './PositionNode.js'; -import { nodeProxy, vec3, mat3, mat4, int, ivec2, float } from '../shadernode/ShaderNode.js'; +import { nodeProxy, vec3, mat3, mat4, int, ivec2, float, tslFn } from '../shadernode/ShaderNode.js'; import { textureLoad } from './TextureNode.js'; import { textureSize } from './TextureSizeNode.js'; -import { attribute } from '../core/AttributeNode.js'; import { tangentLocal } from './TangentNode.js'; +import { instanceIndex, drawIndex } from '../core/IndexNode.js'; class BatchNode extends Node { @@ -28,14 +28,37 @@ class BatchNode extends Node { if ( this.batchingIdNode === null ) { - this.batchingIdNode = attribute( 'batchId' ); + if ( builder.getDrawIndex() === null ) { + + this.batchingIdNode = instanceIndex; + + } else { + + this.batchingIdNode = drawIndex; + + } } + const getIndirectIndex = tslFn( ( [ id ] ) => { + + const size = textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ); + const x = int( id ).remainder( int( size ) ); + const y = int( id ).div( int( size ) ); + return textureLoad( this.batchMesh._indirectTexture, ivec2( x, y ), null, 'uvec4' ).x; + + } ).setLayout( { + name: 'getIndirectIndex', + type: 'uint', + inputs: [ + { name: 'id', type: 'int' } + ] + } ); + const matriceTexture = this.batchMesh._matricesTexture; const size = textureSize( textureLoad( matriceTexture ), 0 ); - const j = float( int( this.batchingIdNode ) ).mul( 4 ).toVar(); + const j = float( getIndirectIndex( int( this.batchingIdNode ) ) ).mul( 4 ).toVar(); const x = int( j.mod( size ) ); const y = int( j ).div( int( size ) ); diff --git a/examples/jsm/nodes/accessors/TextureNode.js b/examples/jsm/nodes/accessors/TextureNode.js index 64dfc3224b799c..1552508dca3e4a 100644 --- a/examples/jsm/nodes/accessors/TextureNode.js +++ b/examples/jsm/nodes/accessors/TextureNode.js @@ -7,6 +7,7 @@ import { addNodeClass } from '../core/Node.js'; import { maxMipLevel } from '../utils/MaxMipLevelNode.js'; import { addNodeElement, nodeProxy, vec3, nodeObject } from '../shadernode/ShaderNode.js'; import { NodeUpdateType } from '../core/constants.js'; +import { IntType, UnsignedIntType } from 'three'; class TextureNode extends UniformNode { @@ -64,6 +65,16 @@ class TextureNode extends UniformNode { if ( this.value.isDepthTexture === true ) return 'float'; + if ( this.value.type === UnsignedIntType ) { + + return 'uvec4'; + + } else if ( this.value.type === IntType ) { + + return 'ivec4'; + + } + return 'vec4'; } diff --git a/examples/jsm/nodes/core/IndexNode.js b/examples/jsm/nodes/core/IndexNode.js index c1b724defac7db..4b6c848af4c935 100644 --- a/examples/jsm/nodes/core/IndexNode.js +++ b/examples/jsm/nodes/core/IndexNode.js @@ -29,6 +29,10 @@ class IndexNode extends Node { propertyName = builder.getInstanceIndex(); + } else if ( scope === IndexNode.DRAW ) { + + propertyName = builder.getDrawIndex(); + } else { throw new Error( 'THREE.IndexNode: Unknown scope: ' + scope ); @@ -57,10 +61,12 @@ class IndexNode extends Node { IndexNode.VERTEX = 'vertex'; IndexNode.INSTANCE = 'instance'; +IndexNode.DRAW = 'draw'; export default IndexNode; export const vertexIndex = nodeImmutable( IndexNode, IndexNode.VERTEX ); export const instanceIndex = nodeImmutable( IndexNode, IndexNode.INSTANCE ); +export const drawIndex = nodeImmutable( IndexNode, IndexNode.DRAW ); addNodeClass( 'IndexNode', IndexNode ); diff --git a/examples/jsm/nodes/core/NodeBuilder.js b/examples/jsm/nodes/core/NodeBuilder.js index 96b2af785c3bdc..8e69843324b520 100644 --- a/examples/jsm/nodes/core/NodeBuilder.js +++ b/examples/jsm/nodes/core/NodeBuilder.js @@ -451,6 +451,12 @@ class NodeBuilder { } + getDrawIndex() { + + console.warn( 'Abstract function.' ); + + } + getFrontFacing() { console.warn( 'Abstract function.' ); diff --git a/examples/jsm/renderers/webgl/WebGLBackend.js b/examples/jsm/renderers/webgl/WebGLBackend.js index 60e554f7186237..38a682fb400d50 100644 --- a/examples/jsm/renderers/webgl/WebGLBackend.js +++ b/examples/jsm/renderers/webgl/WebGLBackend.js @@ -11,6 +11,7 @@ import WebGLExtensions from './utils/WebGLExtensions.js'; import WebGLCapabilities from './utils/WebGLCapabilities.js'; import { GLFeatureName } from './utils/WebGLConstants.js'; import { WebGLBufferRenderer } from './WebGLBufferRenderer.js'; +import { warnOnce } from '../../../../src/utils.js'; // @@ -51,6 +52,8 @@ class WebGLBackend extends Backend { this.trackTimestamp = ( parameters.trackTimestamp === true ); this.extensions.get( 'EXT_color_buffer_float' ); + this.extensions.get( 'WEBGL_multi_draw' ); + this.disjoint = this.extensions.get( 'EXT_disjoint_timer_query_webgl2' ); this.parallel = this.extensions.get( 'KHR_parallel_shader_compile' ); this._currentContext = null; @@ -701,9 +704,9 @@ class WebGLBackend extends Backend { if ( object.isBatchedMesh ) { - if ( object._multiDrawInstances !== null ) { + if ( ! this.hasFeature( 'WEBGL_multi_draw' ) ) { - renderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances ); + warnOnce( 'THREE.WebGLRenderer: WEBGL_multi_draw not supported.' ); } else { diff --git a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js index 5dde4525d97c90..65d64227957d7d 100644 --- a/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js +++ b/examples/jsm/renderers/webgl/nodes/GLSLNodeBuilder.js @@ -157,7 +157,7 @@ ${ flowData.code } pboTexture.needsUpdate = true; pboTexture.isPBOTexture = true; - const pbo = new TextureNode( pboTexture ); + const pbo = new TextureNode( pboTexture, null, null ); pbo.setPrecision( 'high' ); attribute.pboNode = pbo; @@ -241,14 +241,14 @@ ${ flowData.code } // - const typePrefix = attribute.array.constructor.name.toLowerCase().charAt( 0 ); let prefix = 'vec4'; - if ( typePrefix === 'u' ) { + + if ( attribute.pbo.type === UnsignedIntType ) { prefix = 'uvec4'; - } else if ( typePrefix === 'i' ) { + } else if ( attribute.pbo.type === IntType ) { prefix = 'ivec4'; @@ -358,13 +358,16 @@ ${ flowData.code } let typePrefix = ''; - if ( texture.isPBOTexture === true ) { + if ( texture.isDataTexture === true ) { + - const prefix = texture.source.data.data.constructor.name.toLowerCase().charAt( 0 ); + if ( texture.type === UnsignedIntType ) { - if ( prefix === 'u' || prefix === 'i' ) { + typePrefix = 'u'; - typePrefix = prefix; + } else if ( texture.type === IntType ) { + + typePrefix = 'i'; } @@ -594,6 +597,20 @@ ${ flowData.code } } + getDrawIndex() { + + const extensions = this.renderer.backend.extensions; + + if ( extensions.has( 'WEBGL_multi_draw' ) ) { + + return 'uint( gl_DrawID )'; + + } + + return null; + + } + getFrontFacing() { return 'gl_FrontFacing'; @@ -612,6 +629,27 @@ ${ flowData.code } } + getExtensions( shaderStage ) { + + let extensions = ''; + + if ( shaderStage === 'vertex' ) { + + const ext = this.renderer.backend.extensions; + const isBatchedMesh = this.object.isBatchedMesh; + + if ( isBatchedMesh && ext.has( 'WEBGL_multi_draw' ) ) { + + extensions += '#extension GL_ANGLE_multi_draw : require\n'; + + } + + } + + return extensions; + + } + isAvailable( name ) { let result = supports[ name ]; @@ -620,11 +658,11 @@ ${ flowData.code } if ( name === 'float32Filterable' ) { - const extentions = this.renderer.backend.extensions; + const extensions = this.renderer.backend.extensions; - if ( extentions.has( 'OES_texture_float_linear' ) ) { + if ( extensions.has( 'OES_texture_float_linear' ) ) { - extentions.get( 'OES_texture_float_linear' ); + extensions.get( 'OES_texture_float_linear' ); result = true; } else { @@ -688,7 +726,8 @@ ${vars} return `#version 300 es -${ this.getSignature() } +// extensions +${shaderData.extensions} // precision ${ defaultPrecisions } @@ -809,6 +848,7 @@ void main() { const stageData = shadersData[ shaderStage ]; + stageData.extensions = this.getExtensions( shaderStage ); stageData.uniforms = this.getUniforms( shaderStage ); stageData.attributes = this.getAttributes( shaderStage ); stageData.varyings = this.getVaryings( shaderStage ); diff --git a/examples/jsm/renderers/webgl/utils/WebGLConstants.js b/examples/jsm/renderers/webgl/utils/WebGLConstants.js index 9f23b1df4afcac..7481cd3182b60c 100644 --- a/examples/jsm/renderers/webgl/utils/WebGLConstants.js +++ b/examples/jsm/renderers/webgl/utils/WebGLConstants.js @@ -1,5 +1,6 @@ export const GLFeatureName = { + 'WEBGL_multi_draw': 'WEBGL_multi_draw', 'WEBGL_compressed_texture_astc': 'texture-compression-astc', 'WEBGL_compressed_texture_etc': 'texture-compression-etc2', 'WEBGL_compressed_texture_etc1': 'texture-compression-etc1', diff --git a/examples/jsm/renderers/webgpu/WebGPUBackend.js b/examples/jsm/renderers/webgpu/WebGPUBackend.js index 8f3e7f073964d8..904bb94ef1427a 100644 --- a/examples/jsm/renderers/webgpu/WebGPUBackend.js +++ b/examples/jsm/renderers/webgpu/WebGPUBackend.js @@ -918,7 +918,21 @@ class WebGPUBackend extends Backend { const instanceCount = this.getInstanceCount( renderObject ); if ( instanceCount === 0 ) return; - if ( hasIndex === true ) { + if ( object.isBatchedMesh === true ) { + + const starts = object._multiDrawStarts; + const counts = object._multiDrawCounts; + const drawCount = object._multiDrawCount; + + const bytesPerElement = index.bytesPerElement || 1; + + for ( let i = 0; i < drawCount; i ++ ) { + + passEncoderGPU.drawIndexed( counts[ i ] / bytesPerElement, 1, starts[ i ] / 4, 0, i ); + + } + + } else if ( hasIndex === true ) { const indexCount = ( drawRange.count !== Infinity ) ? drawRange.count : index.count; diff --git a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js index e67f588923d9e8..a0b71c55e456b4 100644 --- a/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js +++ b/examples/jsm/renderers/webgpu/nodes/WGSLNodeBuilder.js @@ -611,6 +611,12 @@ ${ flowData.code } } + getDrawIndex() { + + return null; + + } + getFrontFacing() { return this.getBuiltin( 'front_facing', 'isFront', 'bool' ); diff --git a/examples/webgpu_mesh_batch.html b/examples/webgpu_mesh_batch.html index 590988d6aceb6c..ab244de3f38bc7 100644 --- a/examples/webgpu_mesh_batch.html +++ b/examples/webgpu_mesh_batch.html @@ -155,8 +155,8 @@ function initBatchedMesh() { const geometryCount = api.count; - const vertexCount = api.count * 512; - const indexCount = api.count * 1024; + const vertexCount = geometries.length * 512; + const indexCount = geometries.length * 1024; const euler = new THREE.Euler(); const matrix = new THREE.Matrix4(); @@ -168,9 +168,14 @@ ids.length = 0; + const geometryIds = [ + mesh.addGeometry( geometries[ 0 ] ), + mesh.addGeometry( geometries[ 1 ] ), + mesh.addGeometry( geometries[ 2 ] ), + ]; for ( let i = 0; i < api.count; i ++ ) { - const id = mesh.addGeometry( geometries[ i % geometries.length ] ); + const id = mesh.addInstance( geometryIds[ i % geometryIds.length ] ); mesh.setMatrixAt( id, randomizeMatrix( matrix ) ); const rotationMatrix = new THREE.Matrix4(); From 0286e813d01f8ba7e698d3aabf408fe748416f13 Mon Sep 17 00:00:00 2001 From: Renaud Rohlinger Date: Sat, 29 Jun 2024 18:14:06 +0900 Subject: [PATCH 21/48] WebGPURenderer: Restore instanced multi-draw API and add WebGPU support (#28759) * WebGPURenderer: Restore instanced multi-draw API and WebGPU compatibility * fix firefox since gl_drawID is not mandatory for custom usage --- examples/jsm/renderers/webgl/WebGLBackend.js | 6 +++++- examples/jsm/renderers/webgpu/WebGPUBackend.js | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/examples/jsm/renderers/webgl/WebGLBackend.js b/examples/jsm/renderers/webgl/WebGLBackend.js index 38a682fb400d50..bace2d8dafecbd 100644 --- a/examples/jsm/renderers/webgl/WebGLBackend.js +++ b/examples/jsm/renderers/webgl/WebGLBackend.js @@ -704,7 +704,11 @@ class WebGLBackend extends Backend { if ( object.isBatchedMesh ) { - if ( ! this.hasFeature( 'WEBGL_multi_draw' ) ) { + if ( object._multiDrawInstances !== null ) { + + renderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances ); + + } else if ( ! this.hasFeature( 'WEBGL_multi_draw' ) ) { warnOnce( 'THREE.WebGLRenderer: WEBGL_multi_draw not supported.' ); diff --git a/examples/jsm/renderers/webgpu/WebGPUBackend.js b/examples/jsm/renderers/webgpu/WebGPUBackend.js index 904bb94ef1427a..dc9590ab810c99 100644 --- a/examples/jsm/renderers/webgpu/WebGPUBackend.js +++ b/examples/jsm/renderers/webgpu/WebGPUBackend.js @@ -923,12 +923,16 @@ class WebGPUBackend extends Backend { const starts = object._multiDrawStarts; const counts = object._multiDrawCounts; const drawCount = object._multiDrawCount; + const drawInstances = object._multiDrawInstances; const bytesPerElement = index.bytesPerElement || 1; for ( let i = 0; i < drawCount; i ++ ) { - passEncoderGPU.drawIndexed( counts[ i ] / bytesPerElement, 1, starts[ i ] / 4, 0, i ); + const count = drawInstances ? drawInstances[ i ] : 1; + const firstInstance = count > 1 ? 0 : i; + + passEncoderGPU.drawIndexed( counts[ i ] / bytesPerElement, count, starts[ i ] / 4, 0, firstInstance ); } From 558daad8454fddb792fa23c757c96b5541f8e298 Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Sat, 29 Jun 2024 18:07:18 +0200 Subject: [PATCH 22/48] SSAOPass: Fix debug output. (#28762) --- examples/jsm/postprocessing/SSAOPass.js | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/examples/jsm/postprocessing/SSAOPass.js b/examples/jsm/postprocessing/SSAOPass.js index 5eb967f744641e..e62266575e4821 100644 --- a/examples/jsm/postprocessing/SSAOPass.js +++ b/examples/jsm/postprocessing/SSAOPass.js @@ -202,7 +202,7 @@ class SSAOPass extends Pass { this.copyMaterial.uniforms[ 'tDiffuse' ].value = this.ssaoRenderTarget.texture; this.copyMaterial.blending = NoBlending; - this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : writeBuffer ); + this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : readBuffer ); break; @@ -210,13 +210,13 @@ class SSAOPass extends Pass { this.copyMaterial.uniforms[ 'tDiffuse' ].value = this.blurRenderTarget.texture; this.copyMaterial.blending = NoBlending; - this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : writeBuffer ); + this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : readBuffer ); break; case SSAOPass.OUTPUT.Depth: - this.renderPass( renderer, this.depthRenderMaterial, this.renderToScreen ? null : writeBuffer ); + this.renderPass( renderer, this.depthRenderMaterial, this.renderToScreen ? null : readBuffer ); break; @@ -224,7 +224,7 @@ class SSAOPass extends Pass { this.copyMaterial.uniforms[ 'tDiffuse' ].value = this.normalRenderTarget.texture; this.copyMaterial.blending = NoBlending; - this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : writeBuffer ); + this.renderPass( renderer, this.copyMaterial, this.renderToScreen ? null : readBuffer ); break; From 2492ea8e153f7badbd3937d4dafab7b362d65b86 Mon Sep 17 00:00:00 2001 From: Renaud Rohlinger Date: Sun, 30 Jun 2024 03:25:33 +0900 Subject: [PATCH 23/48] TSL: Nodes - Add missing export (#28760) --- examples/jsm/nodes/Nodes.js | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/examples/jsm/nodes/Nodes.js b/examples/jsm/nodes/Nodes.js index 5a8c07746f4fb1..7ebd6249b8b5a7 100644 --- a/examples/jsm/nodes/Nodes.js +++ b/examples/jsm/nodes/Nodes.js @@ -98,11 +98,12 @@ export { default as PointUVNode, pointUV } from './accessors/PointUVNode.js'; export * from './accessors/PositionNode.js'; export { default as ReferenceNode, reference, referenceBuffer } from './accessors/ReferenceNode.js'; export * from './accessors/ReflectVectorNode.js'; -export { default as SkinningNode, skinning } from './accessors/SkinningNode.js'; +export { default as SkinningNode, skinning, skinningReference } from './accessors/SkinningNode.js'; export { default as SceneNode, backgroundBlurriness, backgroundIntensity } from './accessors/SceneNode.js'; export { default as StorageBufferNode, storage, storageObject } from './accessors/StorageBufferNode.js'; export * from './accessors/TangentNode.js'; export { default as TextureNode, texture, textureLoad, /*textureLevel,*/ sampler } from './accessors/TextureNode.js'; +export { default as TextureSizeNode, textureSize } from './accessors/TextureSizeNode.js'; export { default as StorageTextureNode, storageTexture, textureStore } from './accessors/StorageTextureNode.js'; export { default as Texture3DNode, texture3D } from './accessors/Texture3DNode.js'; export * from './accessors/UVNode.js'; From 3b935a419569f497bcc99dd8ef698a938581d343 Mon Sep 17 00:00:00 2001 From: yfunk <14955991+yfunk@users.noreply.github.com> Date: Sat, 29 Jun 2024 22:39:24 +0200 Subject: [PATCH 24/48] SimplifyModifier: Fix missing import (#28763) --- examples/jsm/modifiers/SimplifyModifier.js | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/examples/jsm/modifiers/SimplifyModifier.js b/examples/jsm/modifiers/SimplifyModifier.js index a3be03080d4d1b..89fbacfdbc7b96 100644 --- a/examples/jsm/modifiers/SimplifyModifier.js +++ b/examples/jsm/modifiers/SimplifyModifier.js @@ -1,5 +1,6 @@ import { BufferGeometry, + Color, Float32BufferAttribute, Vector2, Vector3, @@ -81,7 +82,7 @@ class SimplifyModifier { if ( colorAttribute ) { - col = new THREE.Color().fromBufferAttribute( colorAttribute, i ); + col = new Color().fromBufferAttribute( colorAttribute, i ); } From 6e663439939042ba7cf04c59e57d1643cad5f706 Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Sun, 30 Jun 2024 06:30:52 +0200 Subject: [PATCH 25/48] Examples: Add `webgpu_refraction`. (#28761) * Node: Add `RefractorNode`. * E2E: Add example to exception list. * Examples: Simplify refraction demo. * Move verticalRefractor to backdropNode --------- --- examples/files.json | 1 + examples/screenshots/webgpu_refraction.jpg | Bin 0 -> 29212 bytes examples/webgpu_refraction.html | 176 +++++++++++++++++++++ test/e2e/puppeteer.js | 1 + 4 files changed, 178 insertions(+) create mode 100644 examples/screenshots/webgpu_refraction.jpg create mode 100644 examples/webgpu_refraction.html diff --git a/examples/files.json b/examples/files.json index f3a73e6ed7c706..05e59b06a927a0 100644 --- a/examples/files.json +++ b/examples/files.json @@ -373,6 +373,7 @@ "webgpu_postprocessing_sobel", "webgpu_postprocessing", "webgpu_reflection", + "webgpu_refraction", "webgpu_rtt", "webgpu_sandbox", "webgpu_shadertoy", diff --git a/examples/screenshots/webgpu_refraction.jpg b/examples/screenshots/webgpu_refraction.jpg new file mode 100644 index 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zfsBPKNHit1Q;K*BV#jrD65c8?+N=!SPII76rb9$~RkeAf`r_PCmt8@ae)4$~GjTfq zFivY_ud;v~3O{5SJIIWO2qs;NL)YtZK9#yusOjKnEnMqWUw0K1!P69PGN)euD&19W W_|J#R{}>(q1MdF+`y9^g%>M#^9ho2i literal 0 HcmV?d00001 diff --git a/examples/webgpu_refraction.html b/examples/webgpu_refraction.html new file mode 100644 index 00000000000000..305289f56739ad --- /dev/null +++ b/examples/webgpu_refraction.html @@ -0,0 +1,176 @@ + + + + three.js webgpu - refraction + + + + + + +

+ three.js webgpu - refraction +
+ + + + + + diff --git a/test/e2e/puppeteer.js b/test/e2e/puppeteer.js index 71cc3a7fe3c3af..a7eeed664769b9 100644 --- a/test/e2e/puppeteer.js +++ b/test/e2e/puppeteer.js @@ -135,6 +135,7 @@ const exceptionList = [ 'webgpu_morphtargets_face', 'webgpu_occlusion', 'webgpu_particles', + 'webgpu_refraction', 'webgpu_shadertoy', 'webgpu_shadowmap', 'webgpu_tsl_editor', From 2c13adcb7d526853439f7c19bd8882f41da7fb83 Mon Sep 17 00:00:00 2001 From: sunag Date: Sun, 30 Jun 2024 06:27:28 -0300 Subject: [PATCH 26/48] WebGPURenderer: Build - `three.webgpu.js` (#28650) * webgpu build * revision * cleanup * Restore USDZLoader * update * puppeteer: added `three.webgpu` build support * update IESSpotLight * move to src and revision * cleanup * fix test-circular-deps test * fix lint * revision * cleanup lint * update build * update package * update builds * update - fixing conflicts * cleanup * WebGPUBackend: add srcRegion to copyTextureToTexture() * fix examples * fix warnOnce * update path * update build * Update package.json * importmap: added alias * move materials to THREE * update import to three/tsl --- build/three.webgpu.js | 73550 ++++++++++++++++ build/three.webgpu.min.js | 6 + .../jsm/lights/RectAreaLightTexturesLib.js | 91 + .../jsm/lights/RectAreaLightUniformsLib.js | 71 +- examples/jsm/lines/webgpu/Line2.js | 20 + examples/jsm/lines/webgpu/LineSegments2.js | 376 + examples/jsm/loaders/MaterialXLoader.js | 11 +- examples/jsm/objects/InstancedPoints.js | 4 +- examples/jsm/transpiler/TSLEncoder.js | 8 +- examples/webgpu_backdrop.html | 25 +- examples/webgpu_backdrop_area.html | 35 +- examples/webgpu_backdrop_water.html | 32 +- .../webgpu_camera_logarithmicdepthbuffer.html | 18 +- examples/webgpu_clearcoat.html | 7 +- examples/webgpu_clipping.html | 28 +- examples/webgpu_compute_audio.html | 27 +- examples/webgpu_compute_geometry.html | 18 +- examples/webgpu_compute_particles.html | 27 +- examples/webgpu_compute_particles_rain.html | 32 +- examples/webgpu_compute_particles_snow.html | 35 +- examples/webgpu_compute_points.html | 30 +- examples/webgpu_compute_texture.html | 16 +- examples/webgpu_compute_texture_pingpong.html | 16 +- examples/webgpu_cubemap_adjustments.html | 23 +- examples/webgpu_cubemap_dynamic.html | 26 +- examples/webgpu_cubemap_mix.html | 23 +- examples/webgpu_custom_fog.html | 27 +- examples/webgpu_custom_fog_background.html | 18 +- examples/webgpu_depth_texture.html | 35 +- examples/webgpu_equirectangular.html | 24 +- examples/webgpu_instance_mesh.html | 28 +- examples/webgpu_instance_points.html | 30 +- examples/webgpu_instance_uniform.html | 33 +- examples/webgpu_instancing_morph.html | 16 +- examples/webgpu_lights_custom.html | 33 +- examples/webgpu_lights_ies_spotlight.html | 47 +- examples/webgpu_lights_phong.html | 35 +- examples/webgpu_lights_rectarealight.html | 18 +- examples/webgpu_lights_selective.html | 35 +- examples/webgpu_lines_fat.html | 33 +- examples/webgpu_loader_gltf.html | 22 +- examples/webgpu_loader_gltf_anisotropy.html | 11 +- examples/webgpu_loader_gltf_compressed.html | 11 +- examples/webgpu_loader_gltf_dispersion.html | 11 +- examples/webgpu_loader_gltf_iridescence.html | 22 +- examples/webgpu_loader_gltf_sheen.html | 20 +- examples/webgpu_loader_gltf_transmission.html | 11 +- examples/webgpu_loader_materialx.html | 22 +- examples/webgpu_materials.html | 63 +- .../webgpu_materials_displacementmap.html | 20 +- examples/webgpu_materials_lightmap.html | 17 +- examples/webgpu_materials_matcap.html | 18 +- examples/webgpu_materials_sss.html | 27 +- examples/webgpu_materials_toon.html | 33 +- examples/webgpu_materials_transmission.html | 9 +- examples/webgpu_materials_video.html | 15 +- examples/webgpu_materialx_noise.html | 35 +- examples/webgpu_mesh_batch.html | 18 +- examples/webgpu_mirror.html | 16 +- examples/webgpu_morphtargets.html | 24 +- examples/webgpu_morphtargets_face.html | 22 +- examples/webgpu_multiple_rendertargets.html | 32 +- ...ebgpu_multiple_rendertargets_readback.html | 35 +- .../webgpu_multisampled_renderbuffers.html | 37 +- examples/webgpu_occlusion.html | 35 +- examples/webgpu_parallax_uv.html | 14 +- examples/webgpu_particles.html | 31 +- examples/webgpu_performance_renderbundle.html | 13 +- examples/webgpu_pmrem_cubemap.html | 15 +- examples/webgpu_pmrem_equirectangular.html | 15 +- examples/webgpu_pmrem_scene.html | 19 +- examples/webgpu_portal.html | 18 +- examples/webgpu_postprocessing.html | 15 +- .../webgpu_postprocessing_afterimage.html | 17 +- .../webgpu_postprocessing_anamorphic.html | 27 +- examples/webgpu_postprocessing_dof.html | 21 +- examples/webgpu_postprocessing_sobel.html | 17 +- examples/webgpu_reflection.html | 28 +- examples/webgpu_rtt.html | 35 +- examples/webgpu_sandbox.html | 38 +- examples/webgpu_shadertoy.html | 39 +- examples/webgpu_shadowmap.html | 28 +- examples/webgpu_skinning.html | 27 +- examples/webgpu_skinning_instancing.html | 34 +- examples/webgpu_skinning_points.html | 29 +- examples/webgpu_sprites.html | 29 +- examples/webgpu_storage_buffer.html | 19 +- examples/webgpu_texturegrad.html | 17 +- examples/webgpu_textures_2d-array.html | 27 +- examples/webgpu_textures_anisotropy.html | 9 +- examples/webgpu_textures_partialupdate.html | 13 +- examples/webgpu_tsl_editor.html | 34 +- examples/webgpu_tsl_interoperability.html | 26 +- examples/webgpu_tsl_transpiler.html | 6 +- examples/webgpu_video_panorama.html | 7 +- examples/webgpu_volume_cloud.html | 23 +- examples/webgpu_volume_perlin.html | 18 +- package.json | 7 +- src/Three.WebGPU.js | 193 + .../lights/webgpu}/IESSpotLight.js | 2 +- {examples/jsm => src}/nodes/Nodes.js | 2 +- .../nodes/accessors/AccessorsUtils.js | 0 .../jsm => src}/nodes/accessors/BatchNode.js | 0 .../nodes/accessors/BitangentNode.js | 0 .../nodes/accessors/BufferAttributeNode.js | 5 +- .../jsm => src}/nodes/accessors/BufferNode.js | 0 .../jsm => src}/nodes/accessors/CameraNode.js | 2 +- .../nodes/accessors/ClippingNode.js | 0 .../nodes/accessors/CubeTextureNode.js | 3 +- .../nodes/accessors/InstanceNode.js | 5 +- .../accessors/InstancedPointsMaterialNode.js | 0 .../nodes/accessors/MaterialNode.js | 3 +- .../nodes/accessors/MaterialReferenceNode.js | 0 .../jsm => src}/nodes/accessors/ModelNode.js | 3 +- .../accessors/ModelViewProjectionNode.js | 0 .../jsm => src}/nodes/accessors/MorphNode.js | 6 +- .../jsm => src}/nodes/accessors/NormalNode.js | 0 .../nodes/accessors/Object3DNode.js | 2 +- .../nodes/accessors/PointUVNode.js | 0 .../nodes/accessors/PositionNode.js | 0 .../nodes/accessors/ReferenceNode.js | 0 .../nodes/accessors/ReflectVectorNode.js | 0 .../nodes/accessors/RendererReferenceNode.js | 0 .../jsm => src}/nodes/accessors/SceneNode.js | 0 .../nodes/accessors/SkinningNode.js | 0 .../nodes/accessors/StorageBufferNode.js | 0 .../nodes/accessors/StorageTextureNode.js | 0 .../nodes/accessors/TangentNode.js | 0 .../nodes/accessors/Texture3DNode.js | 0 .../nodes/accessors/TextureBicubicNode.js | 0 .../nodes/accessors/TextureNode.js | 3 +- .../nodes/accessors/TextureSizeNode.js | 0 .../jsm => src}/nodes/accessors/UVNode.js | 0 .../nodes/accessors/UniformsNode.js | 0 .../nodes/accessors/UserDataNode.js | 0 .../nodes/accessors/VertexColorNode.js | 3 +- {examples/jsm => src}/nodes/code/CodeNode.js | 0 .../jsm => src}/nodes/code/ExpressionNode.js | 0 .../nodes/code/FunctionCallNode.js | 0 .../jsm => src}/nodes/code/FunctionNode.js | 0 .../jsm => src}/nodes/code/ScriptableNode.js | 0 .../nodes/code/ScriptableValueNode.js | 3 +- .../jsm => src}/nodes/core/AssignNode.js | 0 .../jsm => src}/nodes/core/AttributeNode.js | 0 .../jsm => src}/nodes/core/BypassNode.js | 0 {examples/jsm => src}/nodes/core/CacheNode.js | 0 {examples/jsm => src}/nodes/core/ConstNode.js | 0 .../jsm => src}/nodes/core/ContextNode.js | 0 {examples/jsm => src}/nodes/core/IndexNode.js | 0 {examples/jsm => src}/nodes/core/InputNode.js | 0 .../jsm => src}/nodes/core/LightingModel.js | 0 {examples/jsm => src}/nodes/core/Node.js | 5 +- .../jsm => src}/nodes/core/NodeAttribute.js | 0 .../jsm => src}/nodes/core/NodeBuilder.js | 18 +- {examples/jsm => src}/nodes/core/NodeCache.js | 0 {examples/jsm => src}/nodes/core/NodeCode.js | 0 {examples/jsm => src}/nodes/core/NodeFrame.js | 0 .../jsm => src}/nodes/core/NodeFunction.js | 0 .../nodes/core/NodeFunctionInput.js | 0 .../jsm => src}/nodes/core/NodeKeywords.js | 0 .../jsm => src}/nodes/core/NodeParser.js | 0 .../jsm => src}/nodes/core/NodeUniform.js | 0 {examples/jsm => src}/nodes/core/NodeUtils.js | 7 +- {examples/jsm => src}/nodes/core/NodeVar.js | 0 .../jsm => src}/nodes/core/NodeVarying.js | 0 .../nodes/core/OutputStructNode.js | 0 .../jsm => src}/nodes/core/ParameterNode.js | 0 .../jsm => src}/nodes/core/PropertyNode.js | 0 {examples/jsm => src}/nodes/core/StackNode.js | 0 .../jsm => src}/nodes/core/StructTypeNode.js | 0 {examples/jsm => src}/nodes/core/TempNode.js | 0 .../jsm => src}/nodes/core/UniformGroup.js | 0 .../nodes/core/UniformGroupNode.js | 0 .../jsm => src}/nodes/core/UniformNode.js | 0 {examples/jsm => src}/nodes/core/VarNode.js | 0 .../jsm => src}/nodes/core/VaryingNode.js | 0 {examples/jsm => src}/nodes/core/constants.js | 0 .../nodes/display/AfterImageNode.js | 8 +- .../nodes/display/AnamorphicNode.js | 6 +- .../nodes/display/BlendModeNode.js | 0 .../jsm => src}/nodes/display/BumpMapNode.js | 0 .../nodes/display/ColorAdjustmentNode.js | 0 .../nodes/display/ColorSpaceNode.js | 2 +- .../nodes/display/DepthOfFieldNode.js | 0 .../nodes/display/DotScreenNode.js | 6 +- .../nodes/display/FrontFacingNode.js | 3 +- .../nodes/display/GaussianBlurNode.js | 6 +- .../nodes/display/NormalMapNode.js | 2 +- .../jsm => src}/nodes/display/PassNode.js | 6 +- .../nodes/display/PosterizeNode.js | 0 .../jsm => src}/nodes/display/RGBShiftNode.js | 0 .../nodes/display/SobelOperatorNode.js | 3 +- .../nodes/display/ToneMappingNode.js | 2 +- .../nodes/display/ViewportDepthNode.js | 0 .../nodes/display/ViewportDepthTextureNode.js | 3 +- .../jsm => src}/nodes/display/ViewportNode.js | 3 +- .../display/ViewportSharedTextureNode.js | 3 +- .../nodes/display/ViewportTextureNode.js | 5 +- .../jsm => src}/nodes/fog/FogExp2Node.js | 0 {examples/jsm => src}/nodes/fog/FogNode.js | 0 .../jsm => src}/nodes/fog/FogRangeNode.js | 0 .../nodes/functions/BSDF/BRDF_GGX.js | 0 .../nodes/functions/BSDF/BRDF_Lambert.js | 0 .../nodes/functions/BSDF/BRDF_Sheen.js | 0 .../nodes/functions/BSDF/DFGApprox.js | 0 .../jsm => src}/nodes/functions/BSDF/D_GGX.js | 0 .../nodes/functions/BSDF/D_GGX_Anisotropic.js | 0 .../nodes/functions/BSDF/EnvironmentBRDF.js | 0 .../nodes/functions/BSDF/F_Schlick.js | 0 .../jsm => src}/nodes/functions/BSDF/LTC.js | 0 .../nodes/functions/BSDF/Schlick_to_F0.js | 0 .../functions/BSDF/V_GGX_SmithCorrelated.js | 0 .../BSDF/V_GGX_SmithCorrelated_Anisotropic.js | 0 .../nodes/functions/PhongLightingModel.js | 0 .../nodes/functions/PhysicalLightingModel.js | 0 .../nodes/functions/ShadowMaskModel.js | 0 .../nodes/functions/ToonLightingModel.js | 0 .../material/getGeometryRoughness.js | 0 .../nodes/functions/material/getRoughness.js | 0 .../jsm => src}/nodes/geometry/RangeNode.js | 4 +- .../jsm => src}/nodes/gpgpu/ComputeNode.js | 0 .../jsm => src}/nodes/lighting/AONode.js | 0 .../nodes/lighting/AmbientLightNode.js | 2 +- .../nodes/lighting/AnalyticLightNode.js | 7 +- .../nodes/lighting/DirectionalLightNode.js | 2 +- .../nodes/lighting/EnvironmentNode.js | 0 .../nodes/lighting/HemisphereLightNode.js | 3 +- .../nodes/lighting/IESSpotLightNode.js | 2 +- .../nodes/lighting/IrradianceNode.js | 0 .../jsm => src}/nodes/lighting/LightNode.js | 0 .../jsm => src}/nodes/lighting/LightUtils.js | 0 .../nodes/lighting/LightingContextNode.js | 0 .../nodes/lighting/LightingNode.js | 0 .../jsm => src}/nodes/lighting/LightsNode.js | 0 .../nodes/lighting/PointLightNode.js | 2 +- .../nodes/lighting/RectAreaLightNode.js | 29 +- .../nodes/lighting/SpotLightNode.js | 2 +- .../jsm => src}/nodes/loaders/NodeLoader.js | 4 +- .../nodes/loaders/NodeMaterialLoader.js | 3 +- .../nodes/loaders/NodeObjectLoader.js | 3 +- .../materials/InstancedPointsNodeMaterial.js | 2 +- .../nodes/materials/Line2NodeMaterial.js | 2 +- .../nodes/materials/LineBasicNodeMaterial.js | 2 +- .../nodes/materials/LineDashedNodeMaterial.js | 3 +- .../jsm => src}/nodes/materials/Materials.js | 0 .../nodes/materials/MeshBasicNodeMaterial.js | 2 +- .../materials/MeshLambertNodeMaterial.js | 2 +- .../nodes/materials/MeshMatcapNodeMaterial.js | 3 +- .../nodes/materials/MeshNormalNodeMaterial.js | 2 +- .../nodes/materials/MeshPhongNodeMaterial.js | 2 +- .../materials/MeshPhysicalNodeMaterial.js | 3 +- .../nodes/materials/MeshSSSNodeMaterial.js | 0 .../materials/MeshStandardNodeMaterial.js | 2 +- .../nodes/materials/MeshToonNodeMaterial.js | 2 +- .../nodes/materials/NodeMaterial.js | 4 +- .../nodes/materials/PointsNodeMaterial.js | 2 +- .../nodes/materials/ShadowNodeMaterial.js | 2 +- .../nodes/materials/SpriteNodeMaterial.js | 2 +- .../nodes/materials/VolumeNodeMaterial.js | 0 .../jsm => src}/nodes/materialx/DISCLAIMER.md | 0 .../nodes/materialx/MaterialXNodes.js | 0 .../jsm => src}/nodes/materialx/lib/mx_hsv.js | 0 .../nodes/materialx/lib/mx_noise.js | 4 +- .../nodes/materialx/lib/mx_transform_color.js | 0 {examples/jsm => src}/nodes/math/CondNode.js | 0 {examples/jsm => src}/nodes/math/HashNode.js | 0 {examples/jsm => src}/nodes/math/MathNode.js | 0 {examples/jsm => src}/nodes/math/MathUtils.js | 0 .../jsm => src}/nodes/math/OperatorNode.js | 0 .../jsm => src}/nodes/math/TriNoise3D.js | 0 .../nodes/parsers/GLSLNodeFunction.js | 0 .../nodes/parsers/GLSLNodeParser.js | 0 .../jsm => src}/nodes/pmrem/PMREMNode.js | 3 +- .../jsm => src}/nodes/pmrem/PMREMUtils.js | 0 .../nodes/procedural/CheckerNode.js | 0 .../nodes/shadernode/ShaderNode.js | 0 .../nodes/utils/ArrayElementNode.js | 0 .../jsm => src}/nodes/utils/ConvertNode.js | 0 .../jsm => src}/nodes/utils/DiscardNode.js | 0 .../jsm => src}/nodes/utils/EquirectUVNode.js | 0 .../nodes/utils/FunctionOverloadingNode.js | 0 {examples/jsm => src}/nodes/utils/JoinNode.js | 0 {examples/jsm => src}/nodes/utils/LoopNode.js | 0 .../jsm => src}/nodes/utils/MatcapUVNode.js | 0 .../nodes/utils/MaxMipLevelNode.js | 0 {examples/jsm => src}/nodes/utils/OscNode.js | 0 .../jsm => src}/nodes/utils/PackingNode.js | 0 .../jsm => src}/nodes/utils/ReflectorNode.js | 10 +- .../jsm => src}/nodes/utils/RemapNode.js | 0 .../jsm => src}/nodes/utils/RotateNode.js | 0 .../jsm => src}/nodes/utils/RotateUVNode.js | 0 {examples/jsm => src}/nodes/utils/SetNode.js | 0 .../jsm => src}/nodes/utils/SplitNode.js | 0 .../nodes/utils/SpriteSheetUVNode.js | 0 .../nodes/utils/StorageArrayElementNode.js | 0 .../jsm => src}/nodes/utils/TimerNode.js | 0 .../nodes/utils/TriplanarTexturesNode.js | 0 .../jsm => src}/renderers/common/Animation.js | 0 .../renderers/common/Attributes.js | 3 +- .../jsm => src}/renderers/common/Backend.js | 55 +- .../renderers/common/Background.js | 5 +- .../jsm => src}/renderers/common/BindGroup.js | 0 .../jsm => src}/renderers/common/Binding.js | 0 .../jsm => src}/renderers/common/Bindings.js | 0 .../jsm => src}/renderers/common/Buffer.js | 0 .../renderers/common/BufferUtils.js | 0 .../jsm => src}/renderers/common/ChainMap.js | 0 .../renderers/common/ClippingContext.js | 4 +- .../jsm => src}/renderers/common/Color4.js | 2 +- .../renderers/common/ComputePipeline.js | 0 .../jsm => src}/renderers/common/Constants.js | 0 .../renderers/common/CubeRenderTarget.js | 8 +- .../jsm => src}/renderers/common/DataMap.js | 0 .../renderers/common/Geometries.js | 3 +- .../jsm => src}/renderers/common/Info.js | 0 .../jsm => src}/renderers/common/Pipeline.js | 0 .../jsm => src}/renderers/common/Pipelines.js | 0 .../renderers/common/PostProcessing.js | 2 +- .../renderers/common/ProgrammableStage.js | 0 .../renderers/common}/QuadMesh.js | 5 +- .../renderers/common/RenderBundle.js | 0 .../renderers/common/RenderBundles.js | 0 .../renderers/common/RenderContext.js | 2 +- .../renderers/common/RenderContexts.js | 0 .../renderers/common/RenderList.js | 0 .../renderers/common/RenderLists.js | 0 .../renderers/common/RenderObject.js | 0 .../renderers/common/RenderObjects.js | 0 .../renderers/common/RenderPipeline.js | 0 .../jsm => src}/renderers/common/Renderer.js | 15 +- .../renderers/common/SampledTexture.js | 0 .../jsm => src}/renderers/common/Sampler.js | 0 .../renderers/common/StorageBuffer.js | 0 .../common/StorageBufferAttribute.js | 2 +- .../common/StorageInstancedBufferAttribute.js | 2 +- .../renderers/common/StorageTexture.js | 3 +- .../jsm => src}/renderers/common/Textures.js | 4 +- .../jsm => src}/renderers/common/Uniform.js | 7 +- .../renderers/common/UniformBuffer.js | 0 .../renderers/common/UniformsGroup.js | 0 .../renderers/common/extras/PMREMGenerator.js | 25 +- .../common/nodes/NodeBuilderState.js | 0 .../common/nodes/NodeSampledTexture.js | 0 .../renderers/common/nodes/NodeSampler.js | 0 .../common/nodes/NodeStorageBuffer.js | 2 +- .../renderers/common/nodes/NodeUniform.js | 0 .../common/nodes/NodeUniformBuffer.js | 0 .../common/nodes/NodeUniformsGroup.js | 0 .../renderers/common/nodes/Nodes.js | 3 +- .../renderers/webgl-fallback}/WebGLBackend.js | 10 +- .../webgl-fallback}/WebGLBufferRenderer.js | 0 .../webgl-fallback}/nodes/GLSLNodeBuilder.js | 3 +- .../utils/WebGLAttributeUtils.js | 2 +- .../utils/WebGLCapabilities.js | 0 .../webgl-fallback}/utils/WebGLConstants.js | 0 .../webgl-fallback}/utils/WebGLExtensions.js | 0 .../webgl-fallback}/utils/WebGLState.js | 2 +- .../utils/WebGLTextureUtils.js | 2 +- .../webgl-fallback}/utils/WebGLUtils.js | 2 +- .../renderers/webgpu/WebGPUBackend.js | 58 +- .../renderers/webgpu/WebGPURenderer.js | 4 +- .../renderers/webgpu/nodes/WGSLNodeBuilder.js | 4 +- .../webgpu/nodes/WGSLNodeFunction.js | 0 .../renderers/webgpu/nodes/WGSLNodeParser.js | 0 .../webgpu/utils/WebGPUAttributeUtils.js | 3 +- .../webgpu/utils/WebGPUBindingUtils.js | 3 +- .../renderers/webgpu/utils/WebGPUConstants.js | 0 .../webgpu/utils/WebGPUPipelineUtils.js | 2 +- .../webgpu/utils/WebGPUTexturePassUtils.js | 0 .../webgpu/utils/WebGPUTextureUtils.js | 16 +- .../renderers/webgpu/utils/WebGPUUtils.js | 0 test/e2e/puppeteer.js | 34 +- utils/build/rollup.config.js | 25 + 373 files changed, 75320 insertions(+), 1710 deletions(-) create mode 100644 build/three.webgpu.js create mode 100644 build/three.webgpu.min.js create mode 100644 examples/jsm/lights/RectAreaLightTexturesLib.js create mode 100644 examples/jsm/lines/webgpu/Line2.js create mode 100644 examples/jsm/lines/webgpu/LineSegments2.js create mode 100644 src/Three.WebGPU.js rename {examples/jsm/lights => src/lights/webgpu}/IESSpotLight.js (88%) rename {examples/jsm => src}/nodes/Nodes.js (99%) rename {examples/jsm => src}/nodes/accessors/AccessorsUtils.js (100%) rename {examples/jsm => src}/nodes/accessors/BatchNode.js (100%) rename {examples/jsm => src}/nodes/accessors/BitangentNode.js (100%) rename {examples/jsm => src}/nodes/accessors/BufferAttributeNode.js (93%) rename {examples/jsm => src}/nodes/accessors/BufferNode.js (100%) rename {examples/jsm => src}/nodes/accessors/CameraNode.js (97%) rename {examples/jsm => src}/nodes/accessors/ClippingNode.js (100%) rename {examples/jsm => src}/nodes/accessors/CubeTextureNode.js (94%) rename {examples/jsm => src}/nodes/accessors/InstanceNode.js (93%) rename {examples/jsm => src}/nodes/accessors/InstancedPointsMaterialNode.js (100%) rename {examples/jsm => src}/nodes/accessors/MaterialNode.js (99%) rename {examples/jsm => src}/nodes/accessors/MaterialReferenceNode.js (100%) rename {examples/jsm => src}/nodes/accessors/ModelNode.js (96%) rename {examples/jsm => src}/nodes/accessors/ModelViewProjectionNode.js (100%) rename {examples/jsm => src}/nodes/accessors/MorphNode.js (96%) rename {examples/jsm => src}/nodes/accessors/NormalNode.js (100%) rename {examples/jsm => src}/nodes/accessors/Object3DNode.js (98%) rename {examples/jsm => src}/nodes/accessors/PointUVNode.js (100%) rename {examples/jsm => src}/nodes/accessors/PositionNode.js (100%) rename {examples/jsm => src}/nodes/accessors/ReferenceNode.js (100%) rename {examples/jsm => src}/nodes/accessors/ReflectVectorNode.js (100%) rename {examples/jsm => src}/nodes/accessors/RendererReferenceNode.js (100%) rename {examples/jsm => src}/nodes/accessors/SceneNode.js (100%) rename {examples/jsm => src}/nodes/accessors/SkinningNode.js (100%) rename {examples/jsm => src}/nodes/accessors/StorageBufferNode.js (100%) rename {examples/jsm => src}/nodes/accessors/StorageTextureNode.js (100%) rename {examples/jsm => src}/nodes/accessors/TangentNode.js (100%) rename {examples/jsm => src}/nodes/accessors/Texture3DNode.js (100%) rename {examples/jsm => 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a/build/three.webgpu.js b/build/three.webgpu.js new file mode 100644 index 00000000000000..08b23af8eb5991 --- /dev/null +++ b/build/three.webgpu.js @@ -0,0 +1,73550 @@ +/** + * @license + * Copyright 2010-2024 Three.js Authors + * SPDX-License-Identifier: MIT + */ +const REVISION = '166'; + +const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; +const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; +const CullFaceNone = 0; +const CullFaceBack = 1; +const CullFaceFront = 2; +const CullFaceFrontBack = 3; +const BasicShadowMap = 0; +const PCFShadowMap = 1; +const PCFSoftShadowMap = 2; +const VSMShadowMap = 3; +const FrontSide = 0; +const BackSide = 1; +const DoubleSide = 2; +const NoBlending = 0; +const NormalBlending = 1; +const AdditiveBlending = 2; +const SubtractiveBlending = 3; +const MultiplyBlending = 4; +const CustomBlending = 5; +const AddEquation = 100; +const SubtractEquation = 101; +const ReverseSubtractEquation = 102; +const MinEquation = 103; +const MaxEquation = 104; +const ZeroFactor = 200; +const OneFactor = 201; +const SrcColorFactor = 202; +const OneMinusSrcColorFactor = 203; +const SrcAlphaFactor = 204; +const OneMinusSrcAlphaFactor = 205; +const DstAlphaFactor = 206; +const OneMinusDstAlphaFactor = 207; +const DstColorFactor = 208; +const OneMinusDstColorFactor = 209; +const SrcAlphaSaturateFactor = 210; +const ConstantColorFactor = 211; +const OneMinusConstantColorFactor = 212; +const ConstantAlphaFactor = 213; +const OneMinusConstantAlphaFactor = 214; +const NeverDepth = 0; +const AlwaysDepth = 1; +const LessDepth = 2; +const LessEqualDepth = 3; +const EqualDepth = 4; +const GreaterEqualDepth = 5; +const GreaterDepth = 6; +const NotEqualDepth = 7; +const MultiplyOperation = 0; +const MixOperation = 1; +const AddOperation = 2; +const NoToneMapping = 0; +const LinearToneMapping = 1; +const ReinhardToneMapping = 2; +const CineonToneMapping = 3; +const ACESFilmicToneMapping = 4; +const CustomToneMapping = 5; +const AgXToneMapping = 6; +const NeutralToneMapping = 7; +const AttachedBindMode = 'attached'; +const DetachedBindMode = 'detached'; + +const UVMapping = 300; +const CubeReflectionMapping = 301; +const CubeRefractionMapping = 302; +const EquirectangularReflectionMapping = 303; +const EquirectangularRefractionMapping = 304; +const CubeUVReflectionMapping = 306; +const RepeatWrapping = 1000; +const ClampToEdgeWrapping = 1001; +const MirroredRepeatWrapping = 1002; +const NearestFilter = 1003; +const NearestMipmapNearestFilter = 1004; +const NearestMipMapNearestFilter = 1004; +const NearestMipmapLinearFilter = 1005; +const NearestMipMapLinearFilter = 1005; +const LinearFilter = 1006; +const LinearMipmapNearestFilter = 1007; +const LinearMipMapNearestFilter = 1007; +const LinearMipmapLinearFilter = 1008; +const LinearMipMapLinearFilter = 1008; +const UnsignedByteType = 1009; +const ByteType = 1010; +const ShortType = 1011; +const UnsignedShortType = 1012; +const IntType = 1013; +const UnsignedIntType = 1014; +const FloatType = 1015; +const HalfFloatType = 1016; +const UnsignedShort4444Type = 1017; +const UnsignedShort5551Type = 1018; +const UnsignedInt248Type = 1020; +const UnsignedInt5999Type = 35902; +const AlphaFormat = 1021; +const RGBFormat = 1022; +const RGBAFormat = 1023; +const LuminanceFormat = 1024; +const LuminanceAlphaFormat = 1025; +const DepthFormat = 1026; +const DepthStencilFormat = 1027; +const RedFormat = 1028; +const RedIntegerFormat = 1029; +const RGFormat = 1030; +const RGIntegerFormat = 1031; +const RGBIntegerFormat = 1032; +const RGBAIntegerFormat = 1033; + +const RGB_S3TC_DXT1_Format = 33776; +const RGBA_S3TC_DXT1_Format = 33777; +const RGBA_S3TC_DXT3_Format = 33778; +const RGBA_S3TC_DXT5_Format = 33779; +const RGB_PVRTC_4BPPV1_Format = 35840; +const RGB_PVRTC_2BPPV1_Format = 35841; +const RGBA_PVRTC_4BPPV1_Format = 35842; +const RGBA_PVRTC_2BPPV1_Format = 35843; +const RGB_ETC1_Format = 36196; +const RGB_ETC2_Format = 37492; +const RGBA_ETC2_EAC_Format = 37496; +const RGBA_ASTC_4x4_Format = 37808; +const RGBA_ASTC_5x4_Format = 37809; +const RGBA_ASTC_5x5_Format = 37810; +const RGBA_ASTC_6x5_Format = 37811; +const RGBA_ASTC_6x6_Format = 37812; +const RGBA_ASTC_8x5_Format = 37813; +const RGBA_ASTC_8x6_Format = 37814; +const RGBA_ASTC_8x8_Format = 37815; +const RGBA_ASTC_10x5_Format = 37816; +const RGBA_ASTC_10x6_Format = 37817; +const RGBA_ASTC_10x8_Format = 37818; +const RGBA_ASTC_10x10_Format = 37819; +const RGBA_ASTC_12x10_Format = 37820; +const RGBA_ASTC_12x12_Format = 37821; +const RGBA_BPTC_Format = 36492; +const RGB_BPTC_SIGNED_Format = 36494; +const RGB_BPTC_UNSIGNED_Format = 36495; +const RED_RGTC1_Format = 36283; +const SIGNED_RED_RGTC1_Format = 36284; +const RED_GREEN_RGTC2_Format = 36285; +const SIGNED_RED_GREEN_RGTC2_Format = 36286; +const LoopOnce = 2200; +const LoopRepeat = 2201; +const LoopPingPong = 2202; +const InterpolateDiscrete = 2300; +const InterpolateLinear = 2301; +const InterpolateSmooth = 2302; +const ZeroCurvatureEnding = 2400; +const ZeroSlopeEnding = 2401; +const WrapAroundEnding = 2402; +const NormalAnimationBlendMode = 2500; +const AdditiveAnimationBlendMode = 2501; +const TrianglesDrawMode = 0; +const TriangleStripDrawMode = 1; +const TriangleFanDrawMode = 2; +const BasicDepthPacking = 3200; +const RGBADepthPacking = 3201; +const TangentSpaceNormalMap = 0; +const ObjectSpaceNormalMap = 1; + +// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available. +const NoColorSpace = ''; +const SRGBColorSpace = 'srgb'; +const LinearSRGBColorSpace = 'srgb-linear'; +const DisplayP3ColorSpace = 'display-p3'; +const LinearDisplayP3ColorSpace = 'display-p3-linear'; + +const LinearTransfer = 'linear'; +const SRGBTransfer = 'srgb'; + +const Rec709Primaries = 'rec709'; +const P3Primaries = 'p3'; + +const ZeroStencilOp = 0; +const KeepStencilOp = 7680; +const ReplaceStencilOp = 7681; +const IncrementStencilOp = 7682; +const DecrementStencilOp = 7683; +const IncrementWrapStencilOp = 34055; +const DecrementWrapStencilOp = 34056; +const InvertStencilOp = 5386; + +const NeverStencilFunc = 512; +const LessStencilFunc = 513; +const EqualStencilFunc = 514; +const LessEqualStencilFunc = 515; +const GreaterStencilFunc = 516; +const NotEqualStencilFunc = 517; +const GreaterEqualStencilFunc = 518; +const AlwaysStencilFunc = 519; + +const NeverCompare = 512; +const LessCompare = 513; +const EqualCompare = 514; +const LessEqualCompare = 515; +const GreaterCompare = 516; +const NotEqualCompare = 517; +const GreaterEqualCompare = 518; +const AlwaysCompare = 519; + +const StaticDrawUsage = 35044; +const DynamicDrawUsage = 35048; +const StreamDrawUsage = 35040; +const StaticReadUsage = 35045; +const DynamicReadUsage = 35049; +const StreamReadUsage = 35041; +const StaticCopyUsage = 35046; +const DynamicCopyUsage = 35050; +const StreamCopyUsage = 35042; + +const GLSL1 = '100'; +const GLSL3 = '300 es'; + +const WebGLCoordinateSystem = 2000; +const WebGPUCoordinateSystem = 2001; + +/** + * https://github.com/mrdoob/eventdispatcher.js/ + */ + +class EventDispatcher { + + addEventListener( type, listener ) { + + if ( this._listeners === undefined ) this._listeners = {}; + + const listeners = this._listeners; + + if ( listeners[ type ] === undefined ) { + + listeners[ type ] = []; + + } + + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + + listeners[ type ].push( listener ); + + } + + } + + hasEventListener( type, listener ) { + + if ( this._listeners === undefined ) return false; + + const listeners = this._listeners; + + return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1; + + } + + removeEventListener( type, listener ) { + + if ( this._listeners === undefined ) return; + + const listeners = this._listeners; + const listenerArray = listeners[ type ]; + + if ( listenerArray !== undefined ) { + + const index = listenerArray.indexOf( listener ); + + if ( index !== - 1 ) { + + listenerArray.splice( index, 1 ); + + } + + } + + } + + dispatchEvent( event ) { + + if ( this._listeners === undefined ) return; + + const listeners = this._listeners; + const listenerArray = listeners[ event.type ]; + + if ( listenerArray !== undefined ) { + + event.target = this; + + // Make a copy, in case listeners are removed while iterating. + const array = listenerArray.slice( 0 ); + + for ( let i = 0, l = array.length; i < l; i ++ ) { + + array[ i ].call( this, event ); + + } + + event.target = null; + + } + + } + +} + +const _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ]; + +let _seed = 1234567; + + +const DEG2RAD = Math.PI / 180; +const RAD2DEG = 180 / Math.PI; + +// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136 +function generateUUID() { + + const d0 = Math.random() * 0xffffffff | 0; + const d1 = Math.random() * 0xffffffff | 0; + const d2 = Math.random() * 0xffffffff | 0; + const d3 = Math.random() * 0xffffffff | 0; + const uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' + + _lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' + + _lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] + + _lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ]; + + // .toLowerCase() here flattens concatenated strings to save heap memory space. + return uuid.toLowerCase(); + +} + +function clamp$1( value, min, max ) { + + return Math.max( min, Math.min( max, value ) ); + +} + +// compute euclidean modulo of m % n +// https://en.wikipedia.org/wiki/Modulo_operation +function euclideanModulo( n, m ) { + + return ( ( n % m ) + m ) % m; + +} + +// Linear mapping from range to range +function mapLinear( x, a1, a2, b1, b2 ) { + + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + +} + +// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/ +function inverseLerp( x, y, value ) { + + if ( x !== y ) { + + return ( value - x ) / ( y - x ); + + } else { + + return 0; + + } + +} + +// https://en.wikipedia.org/wiki/Linear_interpolation +function lerp( x, y, t ) { + + return ( 1 - t ) * x + t * y; + +} + +// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/ +function damp( x, y, lambda, dt ) { + + return lerp( x, y, 1 - Math.exp( - lambda * dt ) ); + +} + +// https://www.desmos.com/calculator/vcsjnyz7x4 +function pingpong( x, length = 1 ) { + + return length - Math.abs( euclideanModulo( x, length * 2 ) - length ); + +} + +// http://en.wikipedia.org/wiki/Smoothstep +function smoothstep$1( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * ( 3 - 2 * x ); + +} + +function smootherstep( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + +} + +// Random integer from interval +function randInt( low, high ) { + + return low + Math.floor( Math.random() * ( high - low + 1 ) ); + +} + +// Random float from interval +function randFloat( low, high ) { + + return low + Math.random() * ( high - low ); + +} + +// Random float from <-range/2, range/2> interval +function randFloatSpread( range ) { + + return range * ( 0.5 - Math.random() ); + +} + +// Deterministic pseudo-random float in the interval [ 0, 1 ] +function seededRandom( s ) { + + if ( s !== undefined ) _seed = s; + + // Mulberry32 generator + + let t = _seed += 0x6D2B79F5; + + t = Math.imul( t ^ t >>> 15, t | 1 ); + + t ^= t + Math.imul( t ^ t >>> 7, t | 61 ); + + return ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296; + +} + +function degToRad( degrees ) { + + return degrees * DEG2RAD; + +} + +function radToDeg( radians ) { + + return radians * RAD2DEG; + +} + +function isPowerOfTwo( value ) { + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + +} + +function ceilPowerOfTwo( value ) { + + return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) ); + +} + +function floorPowerOfTwo( value ) { + + return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) ); + +} + +function setQuaternionFromProperEuler( q, a, b, c, order ) { + + // Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles + + // rotations are applied to the axes in the order specified by 'order' + // rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c' + // angles are in radians + + const cos = Math.cos; + const sin = Math.sin; + + const c2 = cos( b / 2 ); + const s2 = sin( b / 2 ); + + const c13 = cos( ( a + c ) / 2 ); + const s13 = sin( ( a + c ) / 2 ); + + const c1_3 = cos( ( a - c ) / 2 ); + const s1_3 = sin( ( a - c ) / 2 ); + + const c3_1 = cos( ( c - a ) / 2 ); + const s3_1 = sin( ( c - a ) / 2 ); + + switch ( order ) { + + case 'XYX': + q.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 ); + break; + + case 'YZY': + q.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 ); + break; + + case 'ZXZ': + q.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 ); + break; + + case 'XZX': + q.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 ); + break; + + case 'YXY': + q.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 ); + break; + + case 'ZYZ': + q.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 ); + break; + + default: + console.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order ); + + } + +} + +function denormalize( value, array ) { + + switch ( array.constructor ) { + + case Float32Array: + + return value; + + case Uint32Array: + + return value / 4294967295.0; + + case Uint16Array: + + return value / 65535.0; + + case Uint8Array: + + return value / 255.0; + + case Int32Array: + + return Math.max( value / 2147483647.0, - 1.0 ); + + case Int16Array: + + return Math.max( value / 32767.0, - 1.0 ); + + case Int8Array: + + return Math.max( value / 127.0, - 1.0 ); + + default: + + throw new Error( 'Invalid component type.' ); + + } + +} + +function normalize$1( value, array ) { + + switch ( array.constructor ) { + + case Float32Array: + + return value; + + case Uint32Array: + + return Math.round( value * 4294967295.0 ); + + case Uint16Array: + + return Math.round( value * 65535.0 ); + + case Uint8Array: + + return Math.round( value * 255.0 ); + + case Int32Array: + + return Math.round( value * 2147483647.0 ); + + case Int16Array: + + return Math.round( value * 32767.0 ); + + case Int8Array: + + return Math.round( value * 127.0 ); + + default: + + throw new Error( 'Invalid component type.' ); + + } + +} + +const MathUtils = { + DEG2RAD: DEG2RAD, + RAD2DEG: RAD2DEG, + generateUUID: generateUUID, + clamp: clamp$1, + euclideanModulo: euclideanModulo, + mapLinear: mapLinear, + inverseLerp: inverseLerp, + lerp: lerp, + damp: damp, + pingpong: pingpong, + smoothstep: smoothstep$1, + smootherstep: smootherstep, + randInt: randInt, + randFloat: randFloat, + randFloatSpread: randFloatSpread, + seededRandom: seededRandom, + degToRad: degToRad, + radToDeg: radToDeg, + isPowerOfTwo: isPowerOfTwo, + ceilPowerOfTwo: ceilPowerOfTwo, + floorPowerOfTwo: floorPowerOfTwo, + setQuaternionFromProperEuler: setQuaternionFromProperEuler, + normalize: normalize$1, + denormalize: denormalize +}; + +class Vector2 { + + constructor( x = 0, y = 0 ) { + + Vector2.prototype.isVector2 = true; + + this.x = x; + this.y = y; + + } + + get width() { + + return this.x; + + } + + set width( value ) { + + this.x = value; + + } + + get height() { + + return this.y; + + } + + set height( value ) { + + this.y = value; + + } + + set( x, y ) { + + this.x = x; + this.y = y; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + + return this; + + } + + add( v ) { + + this.x += v.x; + this.y += v.y; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + + return this; + + } + + sub( v ) { + + this.x -= v.x; + this.y -= v.y; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + + return this; + + } + + multiply( v ) { + + this.x *= v.x; + this.y *= v.y; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + + return this; + + } + + divide( v ) { + + this.x /= v.x; + this.y /= v.y; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + applyMatrix3( m ) { + + const x = this.x, y = this.y; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ]; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ]; + + return this; + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + + return this; + + } + + roundToZero() { + + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y; + + } + + cross( v ) { + + return this.x * v.y - this.y * v.x; + + } + + lengthSq() { + + return this.x * this.x + this.y * this.y; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + angle() { + + // computes the angle in radians with respect to the positive x-axis + + const angle = Math.atan2( - this.y, - this.x ) + Math.PI; + + return angle; + + } + + angleTo( v ) { + + const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + + if ( denominator === 0 ) return Math.PI / 2; + + const theta = this.dot( v ) / denominator; + + // clamp, to handle numerical problems + + return Math.acos( clamp$1( theta, - 1, 1 ) ); + + } + + distanceTo( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + } + + distanceToSquared( v ) { + + const dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + + } + + manhattanDistanceTo( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + + return this; + + } + + rotateAround( center, angle ) { + + const c = Math.cos( angle ), s = Math.sin( angle ); + + const x = this.x - center.x; + const y = this.y - center.y; + + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + + } + +} + +class Matrix3 { + + constructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + + Matrix3.prototype.isMatrix3 = true; + + this.elements = [ + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ]; + + if ( n11 !== undefined ) { + + this.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ); + + } + + } + + set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + + const te = this.elements; + + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + + return this; + + } + + identity() { + + this.set( + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ); + + return this; + + } + + copy( m ) { + + const te = this.elements; + const me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; + te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; + te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ]; + + return this; + + } + + extractBasis( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrix3Column( this, 0 ); + yAxis.setFromMatrix3Column( this, 1 ); + zAxis.setFromMatrix3Column( this, 2 ); + + return this; + + } + + setFromMatrix4( m ) { + + const me = m.elements; + + this.set( + + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] + + ); + + return this; + + } + + multiply( m ) { + + return this.multiplyMatrices( this, m ); + + } + + premultiply( m ) { + + return this.multiplyMatrices( m, this ); + + } + + multiplyMatrices( a, b ) { + + const ae = a.elements; + const be = b.elements; + const te = this.elements; + + const a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ]; + const a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ]; + const a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ]; + + const b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ]; + const b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ]; + const b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31; + te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32; + te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31; + te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32; + te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31; + te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32; + te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33; + + return this; + + } + + multiplyScalar( s ) { + + const te = this.elements; + + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + + return this; + + } + + determinant() { + + const te = this.elements; + + const a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + + } + + invert() { + + const te = this.elements, + + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], + n12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ], + n13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ], + + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, + + det = n11 * t11 + n21 * t12 + n31 * t13; + + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + + const detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + + return this; + + } + + transpose() { + + let tmp; + const m = this.elements; + + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + + return this; + + } + + getNormalMatrix( matrix4 ) { + + return this.setFromMatrix4( matrix4 ).invert().transpose(); + + } + + transposeIntoArray( r ) { + + const m = this.elements; + + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + + return this; + + } + + setUvTransform( tx, ty, sx, sy, rotation, cx, cy ) { + + const c = Math.cos( rotation ); + const s = Math.sin( rotation ); + + this.set( + sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx, + - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty, + 0, 0, 1 + ); + + return this; + + } + + // + + scale( sx, sy ) { + + this.premultiply( _m3.makeScale( sx, sy ) ); + + return this; + + } + + rotate( theta ) { + + this.premultiply( _m3.makeRotation( - theta ) ); + + return this; + + } + + translate( tx, ty ) { + + this.premultiply( _m3.makeTranslation( tx, ty ) ); + + return this; + + } + + // for 2D Transforms + + makeTranslation( x, y ) { + + if ( x.isVector2 ) { + + this.set( + + 1, 0, x.x, + 0, 1, x.y, + 0, 0, 1 + + ); + + } else { + + this.set( + + 1, 0, x, + 0, 1, y, + 0, 0, 1 + + ); + + } + + return this; + + } + + makeRotation( theta ) { + + // counterclockwise + + const c = Math.cos( theta ); + const s = Math.sin( theta ); + + this.set( + + c, - s, 0, + s, c, 0, + 0, 0, 1 + + ); + + return this; + + } + + makeScale( x, y ) { + + this.set( + + x, 0, 0, + 0, y, 0, + 0, 0, 1 + + ); + + return this; + + } + + // + + equals( matrix ) { + + const te = this.elements; + const me = matrix.elements; + + for ( let i = 0; i < 9; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + } + + fromArray( array, offset = 0 ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + + return array; + + } + + clone() { + + return new this.constructor().fromArray( this.elements ); + + } + +} + +const _m3 = /*@__PURE__*/ new Matrix3(); + +function arrayNeedsUint32$1( array ) { + + // assumes larger values usually on last + + for ( let i = array.length - 1; i >= 0; -- i ) { + + if ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565 + + } + + return false; + +} + +const TYPED_ARRAYS = { + Int8Array: Int8Array, + Uint8Array: Uint8Array, + Uint8ClampedArray: Uint8ClampedArray, + Int16Array: Int16Array, + Uint16Array: Uint16Array, + Int32Array: Int32Array, + Uint32Array: Uint32Array, + Float32Array: Float32Array, + Float64Array: Float64Array +}; + +function getTypedArray( type, buffer ) { + + return new TYPED_ARRAYS[ type ]( buffer ); + +} + +function createElementNS( name ) { + + return document.createElementNS( 'http://www.w3.org/1999/xhtml', name ); + +} + +function createCanvasElement() { + + const canvas = createElementNS( 'canvas' ); + canvas.style.display = 'block'; + return canvas; + +} + +const _cache$1 = {}; + +function warnOnce( message ) { + + if ( message in _cache$1 ) return; + + _cache$1[ message ] = true; + + console.warn( message ); + +} + +/** + * Matrices converting P3 <-> Rec. 709 primaries, without gamut mapping + * or clipping. Based on W3C specifications for sRGB and Display P3, + * and ICC specifications for the D50 connection space. Values in/out + * are _linear_ sRGB and _linear_ Display P3. + * + * Note that both sRGB and Display P3 use the sRGB transfer functions. + * + * Reference: + * - http://www.russellcottrell.com/photo/matrixCalculator.htm + */ + +const LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = /*@__PURE__*/ new Matrix3().set( + 0.8224621, 0.177538, 0.0, + 0.0331941, 0.9668058, 0.0, + 0.0170827, 0.0723974, 0.9105199, +); + +const LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = /*@__PURE__*/ new Matrix3().set( + 1.2249401, - 0.2249404, 0.0, + - 0.0420569, 1.0420571, 0.0, + - 0.0196376, - 0.0786361, 1.0982735 +); + +/** + * Defines supported color spaces by transfer function and primaries, + * and provides conversions to/from the Linear-sRGB reference space. + */ +const COLOR_SPACES = { + [ LinearSRGBColorSpace ]: { + transfer: LinearTransfer, + primaries: Rec709Primaries, + toReference: ( color ) => color, + fromReference: ( color ) => color, + }, + [ SRGBColorSpace ]: { + transfer: SRGBTransfer, + primaries: Rec709Primaries, + toReference: ( color ) => color.convertSRGBToLinear(), + fromReference: ( color ) => color.convertLinearToSRGB(), + }, + [ LinearDisplayP3ColorSpace ]: { + transfer: LinearTransfer, + primaries: P3Primaries, + toReference: ( color ) => color.applyMatrix3( LINEAR_DISPLAY_P3_TO_LINEAR_SRGB ), + fromReference: ( color ) => color.applyMatrix3( LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 ), + }, + [ DisplayP3ColorSpace ]: { + transfer: SRGBTransfer, + primaries: P3Primaries, + toReference: ( color ) => color.convertSRGBToLinear().applyMatrix3( LINEAR_DISPLAY_P3_TO_LINEAR_SRGB ), + fromReference: ( color ) => color.applyMatrix3( LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 ).convertLinearToSRGB(), + }, +}; + +const SUPPORTED_WORKING_COLOR_SPACES = new Set( [ LinearSRGBColorSpace, LinearDisplayP3ColorSpace ] ); + +const ColorManagement = { + + enabled: true, + + _workingColorSpace: LinearSRGBColorSpace, + + get workingColorSpace() { + + return this._workingColorSpace; + + }, + + set workingColorSpace( colorSpace ) { + + if ( ! SUPPORTED_WORKING_COLOR_SPACES.has( colorSpace ) ) { + + throw new Error( `Unsupported working color space, "${ colorSpace }".` ); + + } + + this._workingColorSpace = colorSpace; + + }, + + convert: function ( color, sourceColorSpace, targetColorSpace ) { + + if ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) { + + return color; + + } + + const sourceToReference = COLOR_SPACES[ sourceColorSpace ].toReference; + const targetFromReference = COLOR_SPACES[ targetColorSpace ].fromReference; + + return targetFromReference( sourceToReference( color ) ); + + }, + + fromWorkingColorSpace: function ( color, targetColorSpace ) { + + return this.convert( color, this._workingColorSpace, targetColorSpace ); + + }, + + toWorkingColorSpace: function ( color, sourceColorSpace ) { + + return this.convert( color, sourceColorSpace, this._workingColorSpace ); + + }, + + getPrimaries: function ( colorSpace ) { + + return COLOR_SPACES[ colorSpace ].primaries; + + }, + + getTransfer: function ( colorSpace ) { + + if ( colorSpace === NoColorSpace ) return LinearTransfer; + + return COLOR_SPACES[ colorSpace ].transfer; + + }, + +}; + + +function SRGBToLinear( c ) { + + return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 ); + +} + +function LinearToSRGB( c ) { + + return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055; + +} + +let _canvas; + +class ImageUtils { + + static getDataURL( image ) { + + if ( /^data:/i.test( image.src ) ) { + + return image.src; + + } + + if ( typeof HTMLCanvasElement === 'undefined' ) { + + return image.src; + + } + + let canvas; + + if ( image instanceof HTMLCanvasElement ) { + + canvas = image; + + } else { + + if ( _canvas === undefined ) _canvas = createElementNS( 'canvas' ); + + _canvas.width = image.width; + _canvas.height = image.height; + + const context = _canvas.getContext( '2d' ); + + if ( image instanceof ImageData ) { + + context.putImageData( image, 0, 0 ); + + } else { + + context.drawImage( image, 0, 0, image.width, image.height ); + + } + + canvas = _canvas; + + } + + if ( canvas.width > 2048 || canvas.height > 2048 ) { + + console.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image ); + + return canvas.toDataURL( 'image/jpeg', 0.6 ); + + } else { + + return canvas.toDataURL( 'image/png' ); + + } + + } + + static sRGBToLinear( image ) { + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + const canvas = createElementNS( 'canvas' ); + + canvas.width = image.width; + canvas.height = image.height; + + const context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height ); + + const imageData = context.getImageData( 0, 0, image.width, image.height ); + const data = imageData.data; + + for ( let i = 0; i < data.length; i ++ ) { + + data[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255; + + } + + context.putImageData( imageData, 0, 0 ); + + return canvas; + + } else if ( image.data ) { + + const data = image.data.slice( 0 ); + + for ( let i = 0; i < data.length; i ++ ) { + + if ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) { + + data[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 ); + + } else { + + // assuming float + + data[ i ] = SRGBToLinear( data[ i ] ); + + } + + } + + return { + data: data, + width: image.width, + height: image.height + }; + + } else { + + console.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' ); + return image; + + } + + } + +} + +let _sourceId = 0; + +class Source { + + constructor( data = null ) { + + this.isSource = true; + + Object.defineProperty( this, 'id', { value: _sourceId ++ } ); + + this.uuid = generateUUID(); + + this.data = data; + this.dataReady = true; + + this.version = 0; + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) { + + return meta.images[ this.uuid ]; + + } + + const output = { + uuid: this.uuid, + url: '' + }; + + const data = this.data; + + if ( data !== null ) { + + let url; + + if ( Array.isArray( data ) ) { + + // cube texture + + url = []; + + for ( let i = 0, l = data.length; i < l; i ++ ) { + + if ( data[ i ].isDataTexture ) { + + url.push( serializeImage( data[ i ].image ) ); + + } else { + + url.push( serializeImage( data[ i ] ) ); + + } + + } + + } else { + + // texture + + url = serializeImage( data ); + + } + + output.url = url; + + } + + if ( ! isRootObject ) { + + meta.images[ this.uuid ] = output; + + } + + return output; + + } + +} + +function serializeImage( image ) { + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + // default images + + return ImageUtils.getDataURL( image ); + + } else { + + if ( image.data ) { + + // images of DataTexture + + return { + data: Array.from( image.data ), + width: image.width, + height: image.height, + type: image.data.constructor.name + }; + + } else { + + console.warn( 'THREE.Texture: Unable to serialize Texture.' ); + return {}; + + } + + } + +} + +let _textureId = 0; + +class Texture extends EventDispatcher { + + constructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) { + + super(); + + this.isTexture = true; + + Object.defineProperty( this, 'id', { value: _textureId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + + this.source = new Source( image ); + this.mipmaps = []; + + this.mapping = mapping; + this.channel = 0; + + this.wrapS = wrapS; + this.wrapT = wrapT; + + this.magFilter = magFilter; + this.minFilter = minFilter; + + this.anisotropy = anisotropy; + + this.format = format; + this.internalFormat = null; + this.type = type; + + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + this.center = new Vector2( 0, 0 ); + this.rotation = 0; + + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + + this.colorSpace = colorSpace; + + this.userData = {}; + + this.version = 0; + this.onUpdate = null; + + this.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not + this.pmremVersion = 0; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures) + + } + + get image() { + + return this.source.data; + + } + + set image( value = null ) { + + this.source.data = value; + + } + + updateMatrix() { + + this.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.name = source.name; + + this.source = source.source; + this.mipmaps = source.mipmaps.slice( 0 ); + + this.mapping = source.mapping; + this.channel = source.channel; + + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + + this.anisotropy = source.anisotropy; + + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + this.center.copy( source.center ); + this.rotation = source.rotation; + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy( source.matrix ); + + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.colorSpace = source.colorSpace; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + this.needsUpdate = true; + + return this; + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) { + + return meta.textures[ this.uuid ]; + + } + + const output = { + + metadata: { + version: 4.6, + type: 'Texture', + generator: 'Texture.toJSON' + }, + + uuid: this.uuid, + name: this.name, + + image: this.source.toJSON( meta ).uuid, + + mapping: this.mapping, + channel: this.channel, + + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + center: [ this.center.x, this.center.y ], + rotation: this.rotation, + + wrap: [ this.wrapS, this.wrapT ], + + format: this.format, + internalFormat: this.internalFormat, + type: this.type, + colorSpace: this.colorSpace, + + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + + flipY: this.flipY, + + generateMipmaps: this.generateMipmaps, + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + + }; + + if ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData; + + if ( ! isRootObject ) { + + meta.textures[ this.uuid ] = output; + + } + + return output; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + transformUv( uv ) { + + if ( this.mapping !== UVMapping ) return uv; + + uv.applyMatrix3( this.matrix ); + + if ( uv.x < 0 || uv.x > 1 ) { + + switch ( this.wrapS ) { + + case RepeatWrapping: + + uv.x = uv.x - Math.floor( uv.x ); + break; + + case ClampToEdgeWrapping: + + uv.x = uv.x < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + + uv.x = Math.ceil( uv.x ) - uv.x; + + } else { + + uv.x = uv.x - Math.floor( uv.x ); + + } + + break; + + } + + } + + if ( uv.y < 0 || uv.y > 1 ) { + + switch ( this.wrapT ) { + + case RepeatWrapping: + + uv.y = uv.y - Math.floor( uv.y ); + break; + + case ClampToEdgeWrapping: + + uv.y = uv.y < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + + uv.y = Math.ceil( uv.y ) - uv.y; + + } else { + + uv.y = uv.y - Math.floor( uv.y ); + + } + + break; + + } + + } + + if ( this.flipY ) { + + uv.y = 1 - uv.y; + + } + + return uv; + + } + + set needsUpdate( value ) { + + if ( value === true ) { + + this.version ++; + this.source.needsUpdate = true; + + } + + } + + set needsPMREMUpdate( value ) { + + if ( value === true ) { + + this.pmremVersion ++; + + } + + } + +} + +Texture.DEFAULT_IMAGE = null; +Texture.DEFAULT_MAPPING = UVMapping; +Texture.DEFAULT_ANISOTROPY = 1; + +class Vector4 { + + constructor( x = 0, y = 0, z = 0, w = 1 ) { + + Vector4.prototype.isVector4 = true; + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + } + + get width() { + + return this.z; + + } + + set width( value ) { + + this.z = value; + + } + + get height() { + + return this.w; + + } + + set height( value ) { + + this.w = value; + + } + + set( x, y, z, w ) { + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setZ( z ) { + + this.z = z; + + return this; + + } + + setW( w ) { + + this.w = w; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y, this.z, this.w ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; + + return this; + + } + + add( v ) { + + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + this.z += s; + this.w += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + + return this; + + } + + sub( v ) { + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + + return this; + + } + + multiply( v ) { + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + this.w *= v.w; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + + return this; + + } + + applyMatrix4( m ) { + + const x = this.x, y = this.y, z = this.z, w = this.w; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + setAxisAngleFromQuaternion( q ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + + // q is assumed to be normalized + + this.w = 2 * Math.acos( q.w ); + + const s = Math.sqrt( 1 - q.w * q.w ); + + if ( s < 0.0001 ) { + + this.x = 1; + this.y = 0; + this.z = 0; + + } else { + + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + + } + + return this; + + } + + setAxisAngleFromRotationMatrix( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + let angle, x, y, z; // variables for result + const epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + + te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { + + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms + + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + + // this singularity is identity matrix so angle = 0 + + this.set( 1, 0, 0, 0 ); + + return this; // zero angle, arbitrary axis + + } + + // otherwise this singularity is angle = 180 + + angle = Math.PI; + + const xx = ( m11 + 1 ) / 2; + const yy = ( m22 + 1 ) / 2; + const zz = ( m33 + 1 ) / 2; + const xy = ( m12 + m21 ) / 4; + const xz = ( m13 + m31 ) / 4; + const yz = ( m23 + m32 ) / 4; + + if ( ( xx > yy ) && ( xx > zz ) ) { + + // m11 is the largest diagonal term + + if ( xx < epsilon ) { + + x = 0; + y = 0.707106781; + z = 0.707106781; + + } else { + + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; + + } + + } else if ( yy > zz ) { + + // m22 is the largest diagonal term + + if ( yy < epsilon ) { + + x = 0.707106781; + y = 0; + z = 0.707106781; + + } else { + + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; + + } + + } else { + + // m33 is the largest diagonal term so base result on this + + if ( zz < epsilon ) { + + x = 0.707106781; + y = 0.707106781; + z = 0; + + } else { + + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; + + } + + } + + this.set( x, y, z, angle ); + + return this; // return 180 deg rotation + + } + + // as we have reached here there are no singularities so we can handle normally + + let s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + + if ( Math.abs( s ) < 0.001 ) s = 1; + + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case + + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + + return this; + + } + + setFromMatrixPosition( m ) { + + const e = m.elements; + + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + this.w = e[ 15 ]; + + return this; + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + this.w = Math.max( minVal, Math.min( maxVal, this.w ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); + + return this; + + } + + roundToZero() { + + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + this.z = Math.trunc( this.z ); + this.w = Math.trunc( this.w ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + + } + + lengthSq() { + + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + this.w = v1.w + ( v2.w - v1.w ) * alpha; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + this.w = attribute.getW( index ); + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + this.w = Math.random(); + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + yield this.z; + yield this.w; + + } + +} + +/* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers +*/ +class RenderTarget extends EventDispatcher { + + constructor( width = 1, height = 1, options = {} ) { + + super(); + + this.isRenderTarget = true; + + this.width = width; + this.height = height; + this.depth = 1; + + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; + + this.viewport = new Vector4( 0, 0, width, height ); + + const image = { width: width, height: height, depth: 1 }; + + options = Object.assign( { + generateMipmaps: false, + internalFormat: null, + minFilter: LinearFilter, + depthBuffer: true, + stencilBuffer: false, + resolveDepthBuffer: true, + resolveStencilBuffer: true, + depthTexture: null, + samples: 0, + count: 1 + }, options ); + + const texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace ); + + texture.flipY = false; + texture.generateMipmaps = options.generateMipmaps; + texture.internalFormat = options.internalFormat; + + this.textures = []; + + const count = options.count; + for ( let i = 0; i < count; i ++ ) { + + this.textures[ i ] = texture.clone(); + this.textures[ i ].isRenderTargetTexture = true; + + } + + this.depthBuffer = options.depthBuffer; + this.stencilBuffer = options.stencilBuffer; + + this.resolveDepthBuffer = options.resolveDepthBuffer; + this.resolveStencilBuffer = options.resolveStencilBuffer; + + this.depthTexture = options.depthTexture; + + this.samples = options.samples; + + } + + get texture() { + + return this.textures[ 0 ]; + + } + + set texture( value ) { + + this.textures[ 0 ] = value; + + } + + setSize( width, height, depth = 1 ) { + + if ( this.width !== width || this.height !== height || this.depth !== depth ) { + + this.width = width; + this.height = height; + this.depth = depth; + + for ( let i = 0, il = this.textures.length; i < il; i ++ ) { + + this.textures[ i ].image.width = width; + this.textures[ i ].image.height = height; + this.textures[ i ].image.depth = depth; + + } + + this.dispose(); + + } + + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + + this.scissor.copy( source.scissor ); + this.scissorTest = source.scissorTest; + + this.viewport.copy( source.viewport ); + + this.textures.length = 0; + + for ( let i = 0, il = source.textures.length; i < il; i ++ ) { + + this.textures[ i ] = source.textures[ i ].clone(); + this.textures[ i ].isRenderTargetTexture = true; + + } + + // ensure image object is not shared, see #20328 + + const image = Object.assign( {}, source.texture.image ); + this.texture.source = new Source( image ); + + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + + this.resolveDepthBuffer = source.resolveDepthBuffer; + this.resolveStencilBuffer = source.resolveStencilBuffer; + + if ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone(); + + this.samples = source.samples; + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} + +class WebGLRenderTarget extends RenderTarget { + + constructor( width = 1, height = 1, options = {} ) { + + super( width, height, options ); + + this.isWebGLRenderTarget = true; + + } + +} + +class DataArrayTexture extends Texture { + + constructor( data = null, width = 1, height = 1, depth = 1 ) { + + super( null ); + + this.isDataArrayTexture = true; + + this.image = { data, width, height, depth }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + this.layerUpdates = new Set(); + + } + + addLayerUpdate( layerIndex ) { + + this.layerUpdates.add( layerIndex ); + + } + + clearLayerUpdates() { + + this.layerUpdates.clear(); + + } + +} + +class WebGLArrayRenderTarget extends WebGLRenderTarget { + + constructor( width = 1, height = 1, depth = 1, options = {} ) { + + super( width, height, options ); + + this.isWebGLArrayRenderTarget = true; + + this.depth = depth; + + this.texture = new DataArrayTexture( null, width, height, depth ); + + this.texture.isRenderTargetTexture = true; + + } + +} + +class Data3DTexture extends Texture { + + constructor( data = null, width = 1, height = 1, depth = 1 ) { + + // We're going to add .setXXX() methods for setting properties later. + // Users can still set in DataTexture3D directly. + // + // const texture = new THREE.DataTexture3D( data, width, height, depth ); + // texture.anisotropy = 16; + // + // See #14839 + + super( null ); + + this.isData3DTexture = true; + + this.image = { data, width, height, depth }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + +} + +class WebGL3DRenderTarget extends WebGLRenderTarget { + + constructor( width = 1, height = 1, depth = 1, options = {} ) { + + super( width, height, options ); + + this.isWebGL3DRenderTarget = true; + + this.depth = depth; + + this.texture = new Data3DTexture( null, width, height, depth ); + + this.texture.isRenderTargetTexture = true; + + } + +} + +class Quaternion { + + constructor( x = 0, y = 0, z = 0, w = 1 ) { + + this.isQuaternion = true; + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + } + + static slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + + // fuzz-free, array-based Quaternion SLERP operation + + let x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ]; + + const x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; + + if ( t === 0 ) { + + dst[ dstOffset + 0 ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + return; + + } + + if ( t === 1 ) { + + dst[ dstOffset + 0 ] = x1; + dst[ dstOffset + 1 ] = y1; + dst[ dstOffset + 2 ] = z1; + dst[ dstOffset + 3 ] = w1; + return; + + } + + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + + let s = 1 - t; + const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; + + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { + + const sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); + + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; + + } + + const tDir = t * dir; + + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { + + const f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + + } + + } + + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + + } + + static multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) { + + const x0 = src0[ srcOffset0 ]; + const y0 = src0[ srcOffset0 + 1 ]; + const z0 = src0[ srcOffset0 + 2 ]; + const w0 = src0[ srcOffset0 + 3 ]; + + const x1 = src1[ srcOffset1 ]; + const y1 = src1[ srcOffset1 + 1 ]; + const z1 = src1[ srcOffset1 + 2 ]; + const w1 = src1[ srcOffset1 + 3 ]; + + dst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1; + dst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1; + dst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1; + dst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1; + + return dst; + + } + + get x() { + + return this._x; + + } + + set x( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + get y() { + + return this._y; + + } + + set y( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + get z() { + + return this._z; + + } + + set z( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + get w() { + + return this._w; + + } + + set w( value ) { + + this._w = value; + this._onChangeCallback(); + + } + + set( x, y, z, w ) { + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + this._onChangeCallback(); + + return this; + + } + + clone() { + + return new this.constructor( this._x, this._y, this._z, this._w ); + + } + + copy( quaternion ) { + + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + + this._onChangeCallback(); + + return this; + + } + + setFromEuler( euler, update = true ) { + + const x = euler._x, y = euler._y, z = euler._z, order = euler._order; + + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + + const cos = Math.cos; + const sin = Math.sin; + + const c1 = cos( x / 2 ); + const c2 = cos( y / 2 ); + const c3 = cos( z / 2 ); + + const s1 = sin( x / 2 ); + const s2 = sin( y / 2 ); + const s3 = sin( z / 2 ); + + switch ( order ) { + + case 'XYZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'YXZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + case 'ZXY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'ZYX': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + case 'YZX': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'XZY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + default: + console.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order ); + + } + + if ( update === true ) this._onChangeCallback(); + + return this; + + } + + setFromAxisAngle( axis, angle ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + + // assumes axis is normalized + + const halfAngle = angle / 2, s = Math.sin( halfAngle ); + + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); + + this._onChangeCallback(); + + return this; + + } + + setFromRotationMatrix( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + const te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + + trace = m11 + m22 + m33; + + if ( trace > 0 ) { + + const s = 0.5 / Math.sqrt( trace + 1.0 ); + + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; + + } else if ( m11 > m22 && m11 > m33 ) { + + const s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; + + } else if ( m22 > m33 ) { + + const s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; + + } else { + + const s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; + + } + + this._onChangeCallback(); + + return this; + + } + + setFromUnitVectors( vFrom, vTo ) { + + // assumes direction vectors vFrom and vTo are normalized + + let r = vFrom.dot( vTo ) + 1; + + if ( r < Number.EPSILON ) { + + // vFrom and vTo point in opposite directions + + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + + this._x = - vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + + } else { + + this._x = 0; + this._y = - vFrom.z; + this._z = vFrom.y; + this._w = r; + + } + + } else { + + // crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3 + + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + + } + + return this.normalize(); + + } + + angleTo( q ) { + + return 2 * Math.acos( Math.abs( clamp$1( this.dot( q ), - 1, 1 ) ) ); + + } + + rotateTowards( q, step ) { + + const angle = this.angleTo( q ); + + if ( angle === 0 ) return this; + + const t = Math.min( 1, step / angle ); + + this.slerp( q, t ); + + return this; + + } + + identity() { + + return this.set( 0, 0, 0, 1 ); + + } + + invert() { + + // quaternion is assumed to have unit length + + return this.conjugate(); + + } + + conjugate() { + + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; + + this._onChangeCallback(); + + return this; + + } + + dot( v ) { + + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + + } + + lengthSq() { + + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + + } + + length() { + + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + + } + + normalize() { + + let l = this.length(); + + if ( l === 0 ) { + + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + + } else { + + l = 1 / l; + + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + + } + + this._onChangeCallback(); + + return this; + + } + + multiply( q ) { + + return this.multiplyQuaternions( this, q ); + + } + + premultiply( q ) { + + return this.multiplyQuaternions( q, this ); + + } + + multiplyQuaternions( a, b ) { + + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + + const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + + this._onChangeCallback(); + + return this; + + } + + slerp( qb, t ) { + + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); + + const x = this._x, y = this._y, z = this._z, w = this._w; + + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + + let cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + + if ( cosHalfTheta < 0 ) { + + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + + cosHalfTheta = - cosHalfTheta; + + } else { + + this.copy( qb ); + + } + + if ( cosHalfTheta >= 1.0 ) { + + this._w = w; + this._x = x; + this._y = y; + this._z = z; + + return this; + + } + + const sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta; + + if ( sqrSinHalfTheta <= Number.EPSILON ) { + + const s = 1 - t; + this._w = s * w + t * this._w; + this._x = s * x + t * this._x; + this._y = s * y + t * this._y; + this._z = s * z + t * this._z; + + this.normalize(); // normalize calls _onChangeCallback() + + return this; + + } + + const sinHalfTheta = Math.sqrt( sqrSinHalfTheta ); + const halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + const ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); + + this._onChangeCallback(); + + return this; + + } + + slerpQuaternions( qa, qb, t ) { + + return this.copy( qa ).slerp( qb, t ); + + } + + random() { + + // sets this quaternion to a uniform random unit quaternnion + + // Ken Shoemake + // Uniform random rotations + // D. Kirk, editor, Graphics Gems III, pages 124-132. Academic Press, New York, 1992. + + const theta1 = 2 * Math.PI * Math.random(); + const theta2 = 2 * Math.PI * Math.random(); + + const x0 = Math.random(); + const r1 = Math.sqrt( 1 - x0 ); + const r2 = Math.sqrt( x0 ); + + return this.set( + r1 * Math.sin( theta1 ), + r1 * Math.cos( theta1 ), + r2 * Math.sin( theta2 ), + r2 * Math.cos( theta2 ), + ); + + } + + equals( quaternion ) { + + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + + } + + fromArray( array, offset = 0 ) { + + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; + + this._onChangeCallback(); + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this._x = attribute.getX( index ); + this._y = attribute.getY( index ); + this._z = attribute.getZ( index ); + this._w = attribute.getW( index ); + + this._onChangeCallback(); + + return this; + + } + + toJSON() { + + return this.toArray(); + + } + + _onChange( callback ) { + + this._onChangeCallback = callback; + + return this; + + } + + _onChangeCallback() {} + + *[ Symbol.iterator ]() { + + yield this._x; + yield this._y; + yield this._z; + yield this._w; + + } + +} + +class Vector3 { + + constructor( x = 0, y = 0, z = 0 ) { + + Vector3.prototype.isVector3 = true; + + this.x = x; + this.y = y; + this.z = z; + + } + + set( x, y, z ) { + + if ( z === undefined ) z = this.z; // sprite.scale.set(x,y) + + this.x = x; + this.y = y; + this.z = z; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setZ( z ) { + + this.z = z; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y, this.z ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + + return this; + + } + + add( v ) { + + this.x += v.x; + this.y += v.y; + this.z += v.z; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + this.z += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + + return this; + + } + + sub( v ) { + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + + return this; + + } + + multiply( v ) { + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + + return this; + + } + + multiplyVectors( a, b ) { + + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + + return this; + + } + + applyEuler( euler ) { + + return this.applyQuaternion( _quaternion$4.setFromEuler( euler ) ); + + } + + applyAxisAngle( axis, angle ) { + + return this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) ); + + } + + applyMatrix3( m ) { + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + + return this; + + } + + applyNormalMatrix( m ) { + + return this.applyMatrix3( m ).normalize(); + + } + + applyMatrix4( m ) { + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + const w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); + + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w; + + return this; + + } + + applyQuaternion( q ) { + + // quaternion q is assumed to have unit length + + const vx = this.x, vy = this.y, vz = this.z; + const qx = q.x, qy = q.y, qz = q.z, qw = q.w; + + // t = 2 * cross( q.xyz, v ); + const tx = 2 * ( qy * vz - qz * vy ); + const ty = 2 * ( qz * vx - qx * vz ); + const tz = 2 * ( qx * vy - qy * vx ); + + // v + q.w * t + cross( q.xyz, t ); + this.x = vx + qw * tx + qy * tz - qz * ty; + this.y = vy + qw * ty + qz * tx - qx * tz; + this.z = vz + qw * tz + qx * ty - qy * tx; + + return this; + + } + + project( camera ) { + + return this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix ); + + } + + unproject( camera ) { + + return this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld ); + + } + + transformDirection( m ) { + + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + + return this.normalize(); + + } + + divide( v ) { + + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + + return this; + + } + + roundToZero() { + + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + this.z = Math.trunc( this.z ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z; + + } + + // TODO lengthSquared? + + lengthSq() { + + return this.x * this.x + this.y * this.y + this.z * this.z; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + + return this; + + } + + cross( v ) { + + return this.crossVectors( this, v ); + + } + + crossVectors( a, b ) { + + const ax = a.x, ay = a.y, az = a.z; + const bx = b.x, by = b.y, bz = b.z; + + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + + return this; + + } + + projectOnVector( v ) { + + const denominator = v.lengthSq(); + + if ( denominator === 0 ) return this.set( 0, 0, 0 ); + + const scalar = v.dot( this ) / denominator; + + return this.copy( v ).multiplyScalar( scalar ); + + } + + projectOnPlane( planeNormal ) { + + _vector$c.copy( this ).projectOnVector( planeNormal ); + + return this.sub( _vector$c ); + + } + + reflect( normal ) { + + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + + return this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + + } + + angleTo( v ) { + + const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + + if ( denominator === 0 ) return Math.PI / 2; + + const theta = this.dot( v ) / denominator; + + // clamp, to handle numerical problems + + return Math.acos( clamp$1( theta, - 1, 1 ) ); + + } + + distanceTo( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + } + + distanceToSquared( v ) { + + const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + + return dx * dx + dy * dy + dz * dz; + + } + + manhattanDistanceTo( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + + } + + setFromSpherical( s ) { + + return this.setFromSphericalCoords( s.radius, s.phi, s.theta ); + + } + + setFromSphericalCoords( radius, phi, theta ) { + + const sinPhiRadius = Math.sin( phi ) * radius; + + this.x = sinPhiRadius * Math.sin( theta ); + this.y = Math.cos( phi ) * radius; + this.z = sinPhiRadius * Math.cos( theta ); + + return this; + + } + + setFromCylindrical( c ) { + + return this.setFromCylindricalCoords( c.radius, c.theta, c.y ); + + } + + setFromCylindricalCoords( radius, theta, y ) { + + this.x = radius * Math.sin( theta ); + this.y = y; + this.z = radius * Math.cos( theta ); + + return this; + + } + + setFromMatrixPosition( m ) { + + const e = m.elements; + + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + + return this; + + } + + setFromMatrixScale( m ) { + + const sx = this.setFromMatrixColumn( m, 0 ).length(); + const sy = this.setFromMatrixColumn( m, 1 ).length(); + const sz = this.setFromMatrixColumn( m, 2 ).length(); + + this.x = sx; + this.y = sy; + this.z = sz; + + return this; + + } + + setFromMatrixColumn( m, index ) { + + return this.fromArray( m.elements, index * 4 ); + + } + + setFromMatrix3Column( m, index ) { + + return this.fromArray( m.elements, index * 3 ); + + } + + setFromEuler( e ) { + + this.x = e._x; + this.y = e._y; + this.z = e._z; + + return this; + + } + + setFromColor( c ) { + + this.x = c.r; + this.y = c.g; + this.z = c.b; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + + return this; + + } + + randomDirection() { + + // https://mathworld.wolfram.com/SpherePointPicking.html + + const theta = Math.random() * Math.PI * 2; + const u = Math.random() * 2 - 1; + const c = Math.sqrt( 1 - u * u ); + + this.x = c * Math.cos( theta ); + this.y = u; + this.z = c * Math.sin( theta ); + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + yield this.z; + + } + +} + +const _vector$c = /*@__PURE__*/ new Vector3(); +const _quaternion$4 = /*@__PURE__*/ new Quaternion(); + +class Box3 { + + constructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) { + + this.isBox3 = true; + + this.min = min; + this.max = max; + + } + + set( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + } + + setFromArray( array ) { + + this.makeEmpty(); + + for ( let i = 0, il = array.length; i < il; i += 3 ) { + + this.expandByPoint( _vector$b.fromArray( array, i ) ); + + } + + return this; + + } + + setFromBufferAttribute( attribute ) { + + this.makeEmpty(); + + for ( let i = 0, il = attribute.count; i < il; i ++ ) { + + this.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) ); + + } + + return this; + + } + + setFromPoints( points ) { + + this.makeEmpty(); + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + } + + setFromCenterAndSize( center, size ) { + + const halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 ); + + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + } + + setFromObject( object, precise = false ) { + + this.makeEmpty(); + + return this.expandByObject( object, precise ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + } + + makeEmpty() { + + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; + + return this; + + } + + isEmpty() { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + + } + + getCenter( target ) { + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + } + + getSize( target ) { + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min ); + + } + + expandByPoint( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + } + + expandByVector( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + } + + expandByScalar( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + } + + expandByObject( object, precise = false ) { + + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms + + object.updateWorldMatrix( false, false ); + + const geometry = object.geometry; + + if ( geometry !== undefined ) { + + const positionAttribute = geometry.getAttribute( 'position' ); + + // precise AABB computation based on vertex data requires at least a position attribute. + // instancing isn't supported so far and uses the normal (conservative) code path. + + if ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) { + + for ( let i = 0, l = positionAttribute.count; i < l; i ++ ) { + + if ( object.isMesh === true ) { + + object.getVertexPosition( i, _vector$b ); + + } else { + + _vector$b.fromBufferAttribute( positionAttribute, i ); + + } + + _vector$b.applyMatrix4( object.matrixWorld ); + this.expandByPoint( _vector$b ); + + } + + } else { + + if ( object.boundingBox !== undefined ) { + + // object-level bounding box + + if ( object.boundingBox === null ) { + + object.computeBoundingBox(); + + } + + _box$4.copy( object.boundingBox ); + + + } else { + + // geometry-level bounding box + + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box$4.copy( geometry.boundingBox ); + + } + + _box$4.applyMatrix4( object.matrixWorld ); + + this.union( _box$4 ); + + } + + } + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + this.expandByObject( children[ i ], precise ); + + } + + return this; + + } + + containsPoint( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ? false : true; + + } + + containsBox( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y && + this.min.z <= box.min.z && box.max.z <= this.max.z; + + } + + getParameter( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); + + } + + intersectsBox( box ) { + + // using 6 splitting planes to rule out intersections. + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ? false : true; + + } + + intersectsSphere( sphere ) { + + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, _vector$b ); + + // If that point is inside the sphere, the AABB and sphere intersect. + return _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + + } + + intersectsPlane( plane ) { + + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. + + let min, max; + + if ( plane.normal.x > 0 ) { + + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + + } else { + + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + + } + + if ( plane.normal.y > 0 ) { + + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + + } else { + + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + + } + + if ( plane.normal.z > 0 ) { + + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + + } else { + + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + + } + + return ( min <= - plane.constant && max >= - plane.constant ); + + } + + intersectsTriangle( triangle ) { + + if ( this.isEmpty() ) { + + return false; + + } + + // compute box center and extents + this.getCenter( _center ); + _extents.subVectors( this.max, _center ); + + // translate triangle to aabb origin + _v0$2.subVectors( triangle.a, _center ); + _v1$7.subVectors( triangle.b, _center ); + _v2$4.subVectors( triangle.c, _center ); + + // compute edge vectors for triangle + _f0.subVectors( _v1$7, _v0$2 ); + _f1.subVectors( _v2$4, _v1$7 ); + _f2.subVectors( _v0$2, _v2$4 ); + + // test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb + // make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation + // axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned) + let axes = [ + 0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y, + _f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x, + - _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0 + ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) { + + return false; + + } + + // test 3 face normals from the aabb + axes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) { + + return false; + + } + + // finally testing the face normal of the triangle + // use already existing triangle edge vectors here + _triangleNormal.crossVectors( _f0, _f1 ); + axes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ]; + + return satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ); + + } + + clampPoint( point, target ) { + + return target.copy( point ).clamp( this.min, this.max ); + + } + + distanceToPoint( point ) { + + return this.clampPoint( point, _vector$b ).distanceTo( point ); + + } + + getBoundingSphere( target ) { + + if ( this.isEmpty() ) { + + target.makeEmpty(); + + } else { + + this.getCenter( target.center ); + + target.radius = this.getSize( _vector$b ).length() * 0.5; + + } + + return target; + + } + + intersect( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if ( this.isEmpty() ) this.makeEmpty(); + + return this; + + } + + union( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + } + + applyMatrix4( matrix ) { + + // transform of empty box is an empty box. + if ( this.isEmpty() ) return this; + + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + _points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + _points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + _points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + _points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + _points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + _points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + _points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + _points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + + this.setFromPoints( _points ); + + return this; + + } + + translate( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + } + + equals( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} + +const _points = [ + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3() +]; + +const _vector$b = /*@__PURE__*/ new Vector3(); + +const _box$4 = /*@__PURE__*/ new Box3(); + +// triangle centered vertices + +const _v0$2 = /*@__PURE__*/ new Vector3(); +const _v1$7 = /*@__PURE__*/ new Vector3(); +const _v2$4 = /*@__PURE__*/ new Vector3(); + +// triangle edge vectors + +const _f0 = /*@__PURE__*/ new Vector3(); +const _f1 = /*@__PURE__*/ new Vector3(); +const _f2 = /*@__PURE__*/ new Vector3(); + +const _center = /*@__PURE__*/ new Vector3(); +const _extents = /*@__PURE__*/ new Vector3(); +const _triangleNormal = /*@__PURE__*/ new Vector3(); +const _testAxis = /*@__PURE__*/ new Vector3(); + +function satForAxes( axes, v0, v1, v2, extents ) { + + for ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) { + + _testAxis.fromArray( axes, i ); + // project the aabb onto the separating axis + const r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z ); + // project all 3 vertices of the triangle onto the separating axis + const p0 = v0.dot( _testAxis ); + const p1 = v1.dot( _testAxis ); + const p2 = v2.dot( _testAxis ); + // actual test, basically see if either of the most extreme of the triangle points intersects r + if ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) { + + // points of the projected triangle are outside the projected half-length of the aabb + // the axis is separating and we can exit + return false; + + } + + } + + return true; + +} + +const _box$3 = /*@__PURE__*/ new Box3(); +const _v1$6 = /*@__PURE__*/ new Vector3(); +const _v2$3 = /*@__PURE__*/ new Vector3(); + +class Sphere { + + constructor( center = new Vector3(), radius = - 1 ) { + + this.isSphere = true; + + this.center = center; + this.radius = radius; + + } + + set( center, radius ) { + + this.center.copy( center ); + this.radius = radius; + + return this; + + } + + setFromPoints( points, optionalCenter ) { + + const center = this.center; + + if ( optionalCenter !== undefined ) { + + center.copy( optionalCenter ); + + } else { + + _box$3.setFromPoints( points ).getCenter( center ); + + } + + let maxRadiusSq = 0; + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + + } + + this.radius = Math.sqrt( maxRadiusSq ); + + return this; + + } + + copy( sphere ) { + + this.center.copy( sphere.center ); + this.radius = sphere.radius; + + return this; + + } + + isEmpty() { + + return ( this.radius < 0 ); + + } + + makeEmpty() { + + this.center.set( 0, 0, 0 ); + this.radius = - 1; + + return this; + + } + + containsPoint( point ) { + + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + + } + + distanceToPoint( point ) { + + return ( point.distanceTo( this.center ) - this.radius ); + + } + + intersectsSphere( sphere ) { + + const radiusSum = this.radius + sphere.radius; + + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + + } + + intersectsBox( box ) { + + return box.intersectsSphere( this ); + + } + + intersectsPlane( plane ) { + + return Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius; + + } + + clampPoint( point, target ) { + + const deltaLengthSq = this.center.distanceToSquared( point ); + + target.copy( point ); + + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + + target.sub( this.center ).normalize(); + target.multiplyScalar( this.radius ).add( this.center ); + + } + + return target; + + } + + getBoundingBox( target ) { + + if ( this.isEmpty() ) { + + // Empty sphere produces empty bounding box + target.makeEmpty(); + return target; + + } + + target.set( this.center, this.center ); + target.expandByScalar( this.radius ); + + return target; + + } + + applyMatrix4( matrix ) { + + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + + return this; + + } + + translate( offset ) { + + this.center.add( offset ); + + return this; + + } + + expandByPoint( point ) { + + if ( this.isEmpty() ) { + + this.center.copy( point ); + + this.radius = 0; + + return this; + + } + + _v1$6.subVectors( point, this.center ); + + const lengthSq = _v1$6.lengthSq(); + + if ( lengthSq > ( this.radius * this.radius ) ) { + + // calculate the minimal sphere + + const length = Math.sqrt( lengthSq ); + + const delta = ( length - this.radius ) * 0.5; + + this.center.addScaledVector( _v1$6, delta / length ); + + this.radius += delta; + + } + + return this; + + } + + union( sphere ) { + + if ( sphere.isEmpty() ) { + + return this; + + } + + if ( this.isEmpty() ) { + + this.copy( sphere ); + + return this; + + } + + if ( this.center.equals( sphere.center ) === true ) { + + this.radius = Math.max( this.radius, sphere.radius ); + + } else { + + _v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius ); + + this.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) ); + + this.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) ); + + } + + return this; + + } + + equals( sphere ) { + + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$a = /*@__PURE__*/ new Vector3(); +const _segCenter = /*@__PURE__*/ new Vector3(); +const _segDir = /*@__PURE__*/ new Vector3(); +const _diff = /*@__PURE__*/ new Vector3(); + +const _edge1 = /*@__PURE__*/ new Vector3(); +const _edge2 = /*@__PURE__*/ new Vector3(); +const _normal$2 = /*@__PURE__*/ new Vector3(); + +class Ray { + + constructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) { + + this.origin = origin; + this.direction = direction; + + } + + set( origin, direction ) { + + this.origin.copy( origin ); + this.direction.copy( direction ); + + return this; + + } + + copy( ray ) { + + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); + + return this; + + } + + at( t, target ) { + + return target.copy( this.origin ).addScaledVector( this.direction, t ); + + } + + lookAt( v ) { + + this.direction.copy( v ).sub( this.origin ).normalize(); + + return this; + + } + + recast( t ) { + + this.origin.copy( this.at( t, _vector$a ) ); + + return this; + + } + + closestPointToPoint( point, target ) { + + target.subVectors( point, this.origin ); + + const directionDistance = target.dot( this.direction ); + + if ( directionDistance < 0 ) { + + return target.copy( this.origin ); + + } + + return target.copy( this.origin ).addScaledVector( this.direction, directionDistance ); + + } + + distanceToPoint( point ) { + + return Math.sqrt( this.distanceSqToPoint( point ) ); + + } + + distanceSqToPoint( point ) { + + const directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction ); + + // point behind the ray + + if ( directionDistance < 0 ) { + + return this.origin.distanceToSquared( point ); + + } + + _vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance ); + + return _vector$a.distanceToSquared( point ); + + } + + distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + + // from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment + + _segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + _segDir.copy( v1 ).sub( v0 ).normalize(); + _diff.copy( this.origin ).sub( _segCenter ); + + const segExtent = v0.distanceTo( v1 ) * 0.5; + const a01 = - this.direction.dot( _segDir ); + const b0 = _diff.dot( this.direction ); + const b1 = - _diff.dot( _segDir ); + const c = _diff.lengthSq(); + const det = Math.abs( 1 - a01 * a01 ); + let s0, s1, sqrDist, extDet; + + if ( det > 0 ) { + + // The ray and segment are not parallel. + + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + + if ( s0 >= 0 ) { + + if ( s1 >= - extDet ) { + + if ( s1 <= extDet ) { + + // region 0 + // Minimum at interior points of ray and segment. + + const invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + + } else { + + // region 1 + + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + // region 5 + + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + if ( s1 <= - extDet ) { + + // region 4 + + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } else if ( s1 <= extDet ) { + + // region 3 + + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + + } else { + + // region 2 + + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } + + } else { + + // Ray and segment are parallel. + + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + if ( optionalPointOnRay ) { + + optionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 ); + + } + + if ( optionalPointOnSegment ) { + + optionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 ); + + } + + return sqrDist; + + } + + intersectSphere( sphere, target ) { + + _vector$a.subVectors( sphere.center, this.origin ); + const tca = _vector$a.dot( this.direction ); + const d2 = _vector$a.dot( _vector$a ) - tca * tca; + const radius2 = sphere.radius * sphere.radius; + + if ( d2 > radius2 ) return null; + + const thc = Math.sqrt( radius2 - d2 ); + + // t0 = first intersect point - entrance on front of sphere + const t0 = tca - thc; + + // t1 = second intersect point - exit point on back of sphere + const t1 = tca + thc; + + // test to see if t1 is behind the ray - if so, return null + if ( t1 < 0 ) return null; + + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, target ); + + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, target ); + + } + + intersectsSphere( sphere ) { + + return this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius ); + + } + + distanceToPlane( plane ) { + + const denominator = plane.normal.dot( this.direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { + + return 0; + + } + + // Null is preferable to undefined since undefined means.... it is undefined + + return null; + + } + + const t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + + // Return if the ray never intersects the plane + + return t >= 0 ? t : null; + + } + + intersectPlane( plane, target ) { + + const t = this.distanceToPlane( plane ); + + if ( t === null ) { + + return null; + + } + + return this.at( t, target ); + + } + + intersectsPlane( plane ) { + + // check if the ray lies on the plane first + + const distToPoint = plane.distanceToPoint( this.origin ); + + if ( distToPoint === 0 ) { + + return true; + + } + + const denominator = plane.normal.dot( this.direction ); + + if ( denominator * distToPoint < 0 ) { + + return true; + + } + + // ray origin is behind the plane (and is pointing behind it) + + return false; + + } + + intersectBox( box, target ) { + + let tmin, tmax, tymin, tymax, tzmin, tzmax; + + const invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; + + const origin = this.origin; + + if ( invdirx >= 0 ) { + + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; + + } else { + + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; + + } + + if ( invdiry >= 0 ) { + + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; + + } else { + + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; + + } + + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + + if ( tymin > tmin || isNaN( tmin ) ) tmin = tymin; + + if ( tymax < tmax || isNaN( tmax ) ) tmax = tymax; + + if ( invdirz >= 0 ) { + + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; + + } else { + + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; + + } + + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + + //return point closest to the ray (positive side) + + if ( tmax < 0 ) return null; + + return this.at( tmin >= 0 ? tmin : tmax, target ); + + } + + intersectsBox( box ) { + + return this.intersectBox( box, _vector$a ) !== null; + + } + + intersectTriangle( a, b, c, backfaceCulling, target ) { + + // Compute the offset origin, edges, and normal. + + // from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + + _edge1.subVectors( b, a ); + _edge2.subVectors( c, a ); + _normal$2.crossVectors( _edge1, _edge2 ); + + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + let DdN = this.direction.dot( _normal$2 ); + let sign; + + if ( DdN > 0 ) { + + if ( backfaceCulling ) return null; + sign = 1; + + } else if ( DdN < 0 ) { + + sign = - 1; + DdN = - DdN; + + } else { + + return null; + + } + + _diff.subVectors( this.origin, a ); + const DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) ); + + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { + + return null; + + } + + const DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) ); + + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { + + return null; + + } + + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { + + return null; + + } + + // Line intersects triangle, check if ray does. + const QdN = - sign * _diff.dot( _normal$2 ); + + // t < 0, no intersection + if ( QdN < 0 ) { + + return null; + + } + + // Ray intersects triangle. + return this.at( QdN / DdN, target ); + + } + + applyMatrix4( matrix4 ) { + + this.origin.applyMatrix4( matrix4 ); + this.direction.transformDirection( matrix4 ); + + return this; + + } + + equals( ray ) { + + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +class Matrix4 { + + constructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + + Matrix4.prototype.isMatrix4 = true; + + this.elements = [ + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ]; + + if ( n11 !== undefined ) { + + this.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ); + + } + + } + + set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + + const te = this.elements; + + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + + return this; + + } + + identity() { + + this.set( + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + clone() { + + return new Matrix4().fromArray( this.elements ); + + } + + copy( m ) { + + const te = this.elements; + const me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ]; + te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; + te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ]; + te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ]; + + return this; + + } + + copyPosition( m ) { + + const te = this.elements, me = m.elements; + + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; + + return this; + + } + + setFromMatrix3( m ) { + + const me = m.elements; + + this.set( + + me[ 0 ], me[ 3 ], me[ 6 ], 0, + me[ 1 ], me[ 4 ], me[ 7 ], 0, + me[ 2 ], me[ 5 ], me[ 8 ], 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + extractBasis( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); + + return this; + + } + + makeBasis( xAxis, yAxis, zAxis ) { + + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); + + return this; + + } + + extractRotation( m ) { + + // this method does not support reflection matrices + + const te = this.elements; + const me = m.elements; + + const scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length(); + const scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length(); + const scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length(); + + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; + te[ 3 ] = 0; + + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + te[ 7 ] = 0; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + te[ 11 ] = 0; + + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + } + + makeRotationFromEuler( euler ) { + + const te = this.elements; + + const x = euler.x, y = euler.y, z = euler.z; + const a = Math.cos( x ), b = Math.sin( x ); + const c = Math.cos( y ), d = Math.sin( y ); + const e = Math.cos( z ), f = Math.sin( z ); + + if ( euler.order === 'XYZ' ) { + + const ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; + + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; + + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YXZ' ) { + + const ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; + + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; + + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZXY' ) { + + const ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; + + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; + + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZYX' ) { + + const ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; + + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; + + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YZX' ) { + + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; + + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; + + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; + + } else if ( euler.order === 'XZY' ) { + + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; + + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; + + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; + + } + + // bottom row + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // last column + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + } + + makeRotationFromQuaternion( q ) { + + return this.compose( _zero, q, _one ); + + } + + lookAt( eye, target, up ) { + + const te = this.elements; + + _z.subVectors( eye, target ); + + if ( _z.lengthSq() === 0 ) { + + // eye and target are in the same position + + _z.z = 1; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + if ( _x.lengthSq() === 0 ) { + + // up and z are parallel + + if ( Math.abs( up.z ) === 1 ) { + + _z.x += 0.0001; + + } else { + + _z.z += 0.0001; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + } + + _x.normalize(); + _y.crossVectors( _z, _x ); + + te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x; + te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y; + te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z; + + return this; + + } + + multiply( m ) { + + return this.multiplyMatrices( this, m ); + + } + + premultiply( m ) { + + return this.multiplyMatrices( m, this ); + + } + + multiplyMatrices( a, b ) { + + const ae = a.elements; + const be = b.elements; + const te = this.elements; + + const a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + const a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + const a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + const a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + + const b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + const b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + const b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + const b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + + return this; + + } + + multiplyScalar( s ) { + + const te = this.elements; + + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + + return this; + + } + + determinant() { + + const te = this.elements; + + const n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + const n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + const n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + const n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + + ); + + } + + transpose() { + + const te = this.elements; + let tmp; + + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + + return this; + + } + + setPosition( x, y, z ) { + + const te = this.elements; + + if ( x.isVector3 ) { + + te[ 12 ] = x.x; + te[ 13 ] = x.y; + te[ 14 ] = x.z; + + } else { + + te[ 12 ] = x; + te[ 13 ] = y; + te[ 14 ] = z; + + } + + return this; + + } + + invert() { + + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + const te = this.elements, + + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ], + n12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ], + n13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ], + n14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ], + + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + + const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + + const detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + + return this; + + } + + scale( v ) { + + const te = this.elements; + const x = v.x, y = v.y, z = v.z; + + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + + return this; + + } + + getMaxScaleOnAxis() { + + const te = this.elements; + + const scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + const scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + const scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + + } + + makeTranslation( x, y, z ) { + + if ( x.isVector3 ) { + + this.set( + + 1, 0, 0, x.x, + 0, 1, 0, x.y, + 0, 0, 1, x.z, + 0, 0, 0, 1 + + ); + + } else { + + this.set( + + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 + + ); + + } + + return this; + + } + + makeRotationX( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationY( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationZ( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationAxis( axis, angle ) { + + // Based on http://www.gamedev.net/reference/articles/article1199.asp + + const c = Math.cos( angle ); + const s = Math.sin( angle ); + const t = 1 - c; + const x = axis.x, y = axis.y, z = axis.z; + const tx = t * x, ty = t * y; + + this.set( + + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeScale( x, y, z ) { + + this.set( + + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeShear( xy, xz, yx, yz, zx, zy ) { + + this.set( + + 1, yx, zx, 0, + xy, 1, zy, 0, + xz, yz, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + compose( position, quaternion, scale ) { + + const te = this.elements; + + const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + const x2 = x + x, y2 = y + y, z2 = z + z; + const xx = x * x2, xy = x * y2, xz = x * z2; + const yy = y * y2, yz = y * z2, zz = z * z2; + const wx = w * x2, wy = w * y2, wz = w * z2; + + const sx = scale.x, sy = scale.y, sz = scale.z; + + te[ 0 ] = ( 1 - ( yy + zz ) ) * sx; + te[ 1 ] = ( xy + wz ) * sx; + te[ 2 ] = ( xz - wy ) * sx; + te[ 3 ] = 0; + + te[ 4 ] = ( xy - wz ) * sy; + te[ 5 ] = ( 1 - ( xx + zz ) ) * sy; + te[ 6 ] = ( yz + wx ) * sy; + te[ 7 ] = 0; + + te[ 8 ] = ( xz + wy ) * sz; + te[ 9 ] = ( yz - wx ) * sz; + te[ 10 ] = ( 1 - ( xx + yy ) ) * sz; + te[ 11 ] = 0; + + te[ 12 ] = position.x; + te[ 13 ] = position.y; + te[ 14 ] = position.z; + te[ 15 ] = 1; + + return this; + + } + + decompose( position, quaternion, scale ) { + + const te = this.elements; + + let sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + const sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + const sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + + // if determine is negative, we need to invert one scale + const det = this.determinant(); + if ( det < 0 ) sx = - sx; + + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; + + // scale the rotation part + _m1$2.copy( this ); + + const invSX = 1 / sx; + const invSY = 1 / sy; + const invSZ = 1 / sz; + + _m1$2.elements[ 0 ] *= invSX; + _m1$2.elements[ 1 ] *= invSX; + _m1$2.elements[ 2 ] *= invSX; + + _m1$2.elements[ 4 ] *= invSY; + _m1$2.elements[ 5 ] *= invSY; + _m1$2.elements[ 6 ] *= invSY; + + _m1$2.elements[ 8 ] *= invSZ; + _m1$2.elements[ 9 ] *= invSZ; + _m1$2.elements[ 10 ] *= invSZ; + + quaternion.setFromRotationMatrix( _m1$2 ); + + scale.x = sx; + scale.y = sy; + scale.z = sz; + + return this; + + } + + makePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) { + + const te = this.elements; + const x = 2 * near / ( right - left ); + const y = 2 * near / ( top - bottom ); + + const a = ( right + left ) / ( right - left ); + const b = ( top + bottom ) / ( top - bottom ); + + let c, d; + + if ( coordinateSystem === WebGLCoordinateSystem ) { + + c = - ( far + near ) / ( far - near ); + d = ( - 2 * far * near ) / ( far - near ); + + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + + c = - far / ( far - near ); + d = ( - far * near ) / ( far - near ); + + } else { + + throw new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem ); + + } + + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + + return this; + + } + + makeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) { + + const te = this.elements; + const w = 1.0 / ( right - left ); + const h = 1.0 / ( top - bottom ); + const p = 1.0 / ( far - near ); + + const x = ( right + left ) * w; + const y = ( top + bottom ) * h; + + let z, zInv; + + if ( coordinateSystem === WebGLCoordinateSystem ) { + + z = ( far + near ) * p; + zInv = - 2 * p; + + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + + z = near * p; + zInv = - 1 * p; + + } else { + + throw new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem ); + + } + + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = zInv; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + + return this; + + } + + equals( matrix ) { + + const te = this.elements; + const me = matrix.elements; + + for ( let i = 0; i < 16; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + } + + fromArray( array, offset = 0 ) { + + for ( let i = 0; i < 16; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; + + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; + + return array; + + } + +} + +const _v1$5 = /*@__PURE__*/ new Vector3(); +const _m1$2 = /*@__PURE__*/ new Matrix4(); +const _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 ); +const _one = /*@__PURE__*/ new Vector3( 1, 1, 1 ); +const _x = /*@__PURE__*/ new Vector3(); +const _y = /*@__PURE__*/ new Vector3(); +const _z = /*@__PURE__*/ new Vector3(); + +const _matrix$2 = /*@__PURE__*/ new Matrix4(); +const _quaternion$3 = /*@__PURE__*/ new Quaternion(); + +class Euler { + + constructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) { + + this.isEuler = true; + + this._x = x; + this._y = y; + this._z = z; + this._order = order; + + } + + get x() { + + return this._x; + + } + + set x( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + get y() { + + return this._y; + + } + + set y( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + get z() { + + return this._z; + + } + + set z( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + get order() { + + return this._order; + + } + + set order( value ) { + + this._order = value; + this._onChangeCallback(); + + } + + set( x, y, z, order = this._order ) { + + this._x = x; + this._y = y; + this._z = z; + this._order = order; + + this._onChangeCallback(); + + return this; + + } + + clone() { + + return new this.constructor( this._x, this._y, this._z, this._order ); + + } + + copy( euler ) { + + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + + this._onChangeCallback(); + + return this; + + } + + setFromRotationMatrix( m, order = this._order, update = true ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + const te = m.elements; + const m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + const m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + const m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + switch ( order ) { + + case 'XYZ': + + this._y = Math.asin( clamp$1( m13, - 1, 1 ) ); + + if ( Math.abs( m13 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); + + } else { + + this._x = Math.atan2( m32, m22 ); + this._z = 0; + + } + + break; + + case 'YXZ': + + this._x = Math.asin( - clamp$1( m23, - 1, 1 ) ); + + if ( Math.abs( m23 ) < 0.9999999 ) { + + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); + + } else { + + this._y = Math.atan2( - m31, m11 ); + this._z = 0; + + } + + break; + + case 'ZXY': + + this._x = Math.asin( clamp$1( m32, - 1, 1 ) ); + + if ( Math.abs( m32 ) < 0.9999999 ) { + + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); + + } else { + + this._y = 0; + this._z = Math.atan2( m21, m11 ); + + } + + break; + + case 'ZYX': + + this._y = Math.asin( - clamp$1( m31, - 1, 1 ) ); + + if ( Math.abs( m31 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); + + } else { + + this._x = 0; + this._z = Math.atan2( - m12, m22 ); + + } + + break; + + case 'YZX': + + this._z = Math.asin( clamp$1( m21, - 1, 1 ) ); + + if ( Math.abs( m21 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); + + } else { + + this._x = 0; + this._y = Math.atan2( m13, m33 ); + + } + + break; + + case 'XZY': + + this._z = Math.asin( - clamp$1( m12, - 1, 1 ) ); + + if ( Math.abs( m12 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); + + } else { + + this._x = Math.atan2( - m23, m33 ); + this._y = 0; + + } + + break; + + default: + + console.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order ); + + } + + this._order = order; + + if ( update === true ) this._onChangeCallback(); + + return this; + + } + + setFromQuaternion( q, order, update ) { + + _matrix$2.makeRotationFromQuaternion( q ); + + return this.setFromRotationMatrix( _matrix$2, order, update ); + + } + + setFromVector3( v, order = this._order ) { + + return this.set( v.x, v.y, v.z, order ); + + } + + reorder( newOrder ) { + + // WARNING: this discards revolution information -bhouston + + _quaternion$3.setFromEuler( this ); + + return this.setFromQuaternion( _quaternion$3, newOrder ); + + } + + equals( euler ) { + + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + + } + + fromArray( array ) { + + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + + this._onChangeCallback(); + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; + + return array; + + } + + _onChange( callback ) { + + this._onChangeCallback = callback; + + return this; + + } + + _onChangeCallback() {} + + *[ Symbol.iterator ]() { + + yield this._x; + yield this._y; + yield this._z; + yield this._order; + + } + +} + +Euler.DEFAULT_ORDER = 'XYZ'; + +class Layers { + + constructor() { + + this.mask = 1 | 0; + + } + + set( channel ) { + + this.mask = ( 1 << channel | 0 ) >>> 0; + + } + + enable( channel ) { + + this.mask |= 1 << channel | 0; + + } + + enableAll() { + + this.mask = 0xffffffff | 0; + + } + + toggle( channel ) { + + this.mask ^= 1 << channel | 0; + + } + + disable( channel ) { + + this.mask &= ~ ( 1 << channel | 0 ); + + } + + disableAll() { + + this.mask = 0; + + } + + test( layers ) { + + return ( this.mask & layers.mask ) !== 0; + + } + + isEnabled( channel ) { + + return ( this.mask & ( 1 << channel | 0 ) ) !== 0; + + } + +} + +let _object3DId = 0; + +const _v1$4 = /*@__PURE__*/ new Vector3(); +const _q1 = /*@__PURE__*/ new Quaternion(); +const _m1$1 = /*@__PURE__*/ new Matrix4(); +const _target$1 = /*@__PURE__*/ new Vector3(); + +const _position$3 = /*@__PURE__*/ new Vector3(); +const _scale$2 = /*@__PURE__*/ new Vector3(); +const _quaternion$2 = /*@__PURE__*/ new Quaternion(); + +const _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 ); +const _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 ); +const _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 ); + +const _addedEvent = { type: 'added' }; +const _removedEvent = { type: 'removed' }; + +const _childaddedEvent = { type: 'childadded', child: null }; +const _childremovedEvent = { type: 'childremoved', child: null }; + +class Object3D extends EventDispatcher { + + constructor() { + + super(); + + this.isObject3D = true; + + Object.defineProperty( this, 'id', { value: _object3DId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'Object3D'; + + this.parent = null; + this.children = []; + + this.up = Object3D.DEFAULT_UP.clone(); + + const position = new Vector3(); + const rotation = new Euler(); + const quaternion = new Quaternion(); + const scale = new Vector3( 1, 1, 1 ); + + function onRotationChange() { + + quaternion.setFromEuler( rotation, false ); + + } + + function onQuaternionChange() { + + rotation.setFromQuaternion( quaternion, undefined, false ); + + } + + rotation._onChange( onRotationChange ); + quaternion._onChange( onQuaternionChange ); + + Object.defineProperties( this, { + position: { + configurable: true, + enumerable: true, + value: position + }, + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + scale: { + configurable: true, + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); + + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + + this.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE; + + this.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; // checked by the renderer + this.matrixWorldNeedsUpdate = false; + + this.layers = new Layers(); + this.visible = true; + + this.castShadow = false; + this.receiveShadow = false; + + this.frustumCulled = true; + this.renderOrder = 0; + + this.animations = []; + + this.userData = {}; + + } + + onBeforeShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {} + + onAfterShadow( /* renderer, object, camera, shadowCamera, geometry, depthMaterial, group */ ) {} + + onBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {} + + onAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {} + + applyMatrix4( matrix ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + this.matrix.premultiply( matrix ); + + this.matrix.decompose( this.position, this.quaternion, this.scale ); + + } + + applyQuaternion( q ) { + + this.quaternion.premultiply( q ); + + return this; + + } + + setRotationFromAxisAngle( axis, angle ) { + + // assumes axis is normalized + + this.quaternion.setFromAxisAngle( axis, angle ); + + } + + setRotationFromEuler( euler ) { + + this.quaternion.setFromEuler( euler, true ); + + } + + setRotationFromMatrix( m ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + this.quaternion.setFromRotationMatrix( m ); + + } + + setRotationFromQuaternion( q ) { + + // assumes q is normalized + + this.quaternion.copy( q ); + + } + + rotateOnAxis( axis, angle ) { + + // rotate object on axis in object space + // axis is assumed to be normalized + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( _q1 ); + + return this; + + } + + rotateOnWorldAxis( axis, angle ) { + + // rotate object on axis in world space + // axis is assumed to be normalized + // method assumes no rotated parent + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.premultiply( _q1 ); + + return this; + + } + + rotateX( angle ) { + + return this.rotateOnAxis( _xAxis, angle ); + + } + + rotateY( angle ) { + + return this.rotateOnAxis( _yAxis, angle ); + + } + + rotateZ( angle ) { + + return this.rotateOnAxis( _zAxis, angle ); + + } + + translateOnAxis( axis, distance ) { + + // translate object by distance along axis in object space + // axis is assumed to be normalized + + _v1$4.copy( axis ).applyQuaternion( this.quaternion ); + + this.position.add( _v1$4.multiplyScalar( distance ) ); + + return this; + + } + + translateX( distance ) { + + return this.translateOnAxis( _xAxis, distance ); + + } + + translateY( distance ) { + + return this.translateOnAxis( _yAxis, distance ); + + } + + translateZ( distance ) { + + return this.translateOnAxis( _zAxis, distance ); + + } + + localToWorld( vector ) { + + this.updateWorldMatrix( true, false ); + + return vector.applyMatrix4( this.matrixWorld ); + + } + + worldToLocal( vector ) { + + this.updateWorldMatrix( true, false ); + + return vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() ); + + } + + lookAt( x, y, z ) { + + // This method does not support objects having non-uniformly-scaled parent(s) + + if ( x.isVector3 ) { + + _target$1.copy( x ); + + } else { + + _target$1.set( x, y, z ); + + } + + const parent = this.parent; + + this.updateWorldMatrix( true, false ); + + _position$3.setFromMatrixPosition( this.matrixWorld ); + + if ( this.isCamera || this.isLight ) { + + _m1$1.lookAt( _position$3, _target$1, this.up ); + + } else { + + _m1$1.lookAt( _target$1, _position$3, this.up ); + + } + + this.quaternion.setFromRotationMatrix( _m1$1 ); + + if ( parent ) { + + _m1$1.extractRotation( parent.matrixWorld ); + _q1.setFromRotationMatrix( _m1$1 ); + this.quaternion.premultiply( _q1.invert() ); + + } + + } + + add( object ) { + + if ( arguments.length > 1 ) { + + for ( let i = 0; i < arguments.length; i ++ ) { + + this.add( arguments[ i ] ); + + } + + return this; + + } + + if ( object === this ) { + + console.error( 'THREE.Object3D.add: object can\'t be added as a child of itself.', object ); + return this; + + } + + if ( object && object.isObject3D ) { + + object.removeFromParent(); + object.parent = this; + this.children.push( object ); + + object.dispatchEvent( _addedEvent ); + + _childaddedEvent.child = object; + this.dispatchEvent( _childaddedEvent ); + _childaddedEvent.child = null; + + } else { + + console.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object ); + + } + + return this; + + } + + remove( object ) { + + if ( arguments.length > 1 ) { + + for ( let i = 0; i < arguments.length; i ++ ) { + + this.remove( arguments[ i ] ); + + } + + return this; + + } + + const index = this.children.indexOf( object ); + + if ( index !== - 1 ) { + + object.parent = null; + this.children.splice( index, 1 ); + + object.dispatchEvent( _removedEvent ); + + _childremovedEvent.child = object; + this.dispatchEvent( _childremovedEvent ); + _childremovedEvent.child = null; + + } + + return this; + + } + + removeFromParent() { + + const parent = this.parent; + + if ( parent !== null ) { + + parent.remove( this ); + + } + + return this; + + } + + clear() { + + return this.remove( ... this.children ); + + } + + attach( object ) { + + // adds object as a child of this, while maintaining the object's world transform + + // Note: This method does not support scene graphs having non-uniformly-scaled nodes(s) + + this.updateWorldMatrix( true, false ); + + _m1$1.copy( this.matrixWorld ).invert(); + + if ( object.parent !== null ) { + + object.parent.updateWorldMatrix( true, false ); + + _m1$1.multiply( object.parent.matrixWorld ); + + } + + object.applyMatrix4( _m1$1 ); + + object.removeFromParent(); + object.parent = this; + this.children.push( object ); + + object.updateWorldMatrix( false, true ); + + object.dispatchEvent( _addedEvent ); + + _childaddedEvent.child = object; + this.dispatchEvent( _childaddedEvent ); + _childaddedEvent.child = null; + + return this; + + } + + getObjectById( id ) { + + return this.getObjectByProperty( 'id', id ); + + } + + getObjectByName( name ) { + + return this.getObjectByProperty( 'name', name ); + + } + + getObjectByProperty( name, value ) { + + if ( this[ name ] === value ) return this; + + for ( let i = 0, l = this.children.length; i < l; i ++ ) { + + const child = this.children[ i ]; + const object = child.getObjectByProperty( name, value ); + + if ( object !== undefined ) { + + return object; + + } + + } + + return undefined; + + } + + getObjectsByProperty( name, value, result = [] ) { + + if ( this[ name ] === value ) result.push( this ); + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].getObjectsByProperty( name, value, result ); + + } + + return result; + + } + + getWorldPosition( target ) { + + this.updateWorldMatrix( true, false ); + + return target.setFromMatrixPosition( this.matrixWorld ); + + } + + getWorldQuaternion( target ) { + + this.updateWorldMatrix( true, false ); + + this.matrixWorld.decompose( _position$3, target, _scale$2 ); + + return target; + + } + + getWorldScale( target ) { + + this.updateWorldMatrix( true, false ); + + this.matrixWorld.decompose( _position$3, _quaternion$2, target ); + + return target; + + } + + getWorldDirection( target ) { + + this.updateWorldMatrix( true, false ); + + const e = this.matrixWorld.elements; + + return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize(); + + } + + raycast( /* raycaster, intersects */ ) {} + + traverse( callback ) { + + callback( this ); + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverse( callback ); + + } + + } + + traverseVisible( callback ) { + + if ( this.visible === false ) return; + + callback( this ); + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverseVisible( callback ); + + } + + } + + traverseAncestors( callback ) { + + const parent = this.parent; + + if ( parent !== null ) { + + callback( parent ); + + parent.traverseAncestors( callback ); + + } + + } + + updateMatrix() { + + this.matrix.compose( this.position, this.quaternion, this.scale ); + + this.matrixWorldNeedsUpdate = true; + + } + + updateMatrixWorld( force ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.matrixWorldNeedsUpdate || force ) { + + if ( this.matrixWorldAutoUpdate === true ) { + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + } + + this.matrixWorldNeedsUpdate = false; + + force = true; + + } + + // make sure descendants are updated if required + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + const child = children[ i ]; + + child.updateMatrixWorld( force ); + + } + + } + + updateWorldMatrix( updateParents, updateChildren ) { + + const parent = this.parent; + + if ( updateParents === true && parent !== null ) { + + parent.updateWorldMatrix( true, false ); + + } + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.matrixWorldAutoUpdate === true ) { + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + } + + // make sure descendants are updated + + if ( updateChildren === true ) { + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + const child = children[ i ]; + + child.updateWorldMatrix( false, true ); + + } + + } + + } + + toJSON( meta ) { + + // meta is a string when called from JSON.stringify + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + const output = {}; + + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { + + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {}, + skeletons: {}, + animations: {}, + nodes: {} + }; + + output.metadata = { + version: 4.6, + type: 'Object', + generator: 'Object3D.toJSON' + }; + + } + + // standard Object3D serialization + + const object = {}; + + object.uuid = this.uuid; + object.type = this.type; + + if ( this.name !== '' ) object.name = this.name; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + if ( this.frustumCulled === false ) object.frustumCulled = false; + if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder; + if ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData; + + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + object.up = this.up.toArray(); + + if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false; + + // object specific properties + + if ( this.isInstancedMesh ) { + + object.type = 'InstancedMesh'; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + if ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON(); + + } + + if ( this.isBatchedMesh ) { + + object.type = 'BatchedMesh'; + object.perObjectFrustumCulled = this.perObjectFrustumCulled; + object.sortObjects = this.sortObjects; + + object.drawRanges = this._drawRanges; + object.reservedRanges = this._reservedRanges; + + object.visibility = this._visibility; + object.active = this._active; + object.bounds = this._bounds.map( bound => ( { + boxInitialized: bound.boxInitialized, + boxMin: bound.box.min.toArray(), + boxMax: bound.box.max.toArray(), + + sphereInitialized: bound.sphereInitialized, + sphereRadius: bound.sphere.radius, + sphereCenter: bound.sphere.center.toArray() + } ) ); + + object.maxInstanceCount = this._maxInstanceCount; + object.maxVertexCount = this._maxVertexCount; + object.maxIndexCount = this._maxIndexCount; + + object.geometryInitialized = this._geometryInitialized; + object.geometryCount = this._geometryCount; + + object.matricesTexture = this._matricesTexture.toJSON( meta ); + + if ( this._colorsTexture !== null ) object.colorsTexture = this._colorsTexture.toJSON( meta ); + + if ( this.boundingSphere !== null ) { + + object.boundingSphere = { + center: object.boundingSphere.center.toArray(), + radius: object.boundingSphere.radius + }; + + } + + if ( this.boundingBox !== null ) { + + object.boundingBox = { + min: object.boundingBox.min.toArray(), + max: object.boundingBox.max.toArray() + }; + + } + + } + + // + + function serialize( library, element ) { + + if ( library[ element.uuid ] === undefined ) { + + library[ element.uuid ] = element.toJSON( meta ); + + } + + return element.uuid; + + } + + if ( this.isScene ) { + + if ( this.background ) { + + if ( this.background.isColor ) { + + object.background = this.background.toJSON(); + + } else if ( this.background.isTexture ) { + + object.background = this.background.toJSON( meta ).uuid; + + } + + } + + if ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) { + + object.environment = this.environment.toJSON( meta ).uuid; + + } + + } else if ( this.isMesh || this.isLine || this.isPoints ) { + + object.geometry = serialize( meta.geometries, this.geometry ); + + const parameters = this.geometry.parameters; + + if ( parameters !== undefined && parameters.shapes !== undefined ) { + + const shapes = parameters.shapes; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + serialize( meta.shapes, shape ); + + } + + } else { + + serialize( meta.shapes, shapes ); + + } + + } + + } + + if ( this.isSkinnedMesh ) { + + object.bindMode = this.bindMode; + object.bindMatrix = this.bindMatrix.toArray(); + + if ( this.skeleton !== undefined ) { + + serialize( meta.skeletons, this.skeleton ); + + object.skeleton = this.skeleton.uuid; + + } + + } + + if ( this.material !== undefined ) { + + if ( Array.isArray( this.material ) ) { + + const uuids = []; + + for ( let i = 0, l = this.material.length; i < l; i ++ ) { + + uuids.push( serialize( meta.materials, this.material[ i ] ) ); + + } + + object.material = uuids; + + } else { + + object.material = serialize( meta.materials, this.material ); + + } + + } + + // + + if ( this.children.length > 0 ) { + + object.children = []; + + for ( let i = 0; i < this.children.length; i ++ ) { + + object.children.push( this.children[ i ].toJSON( meta ).object ); + + } + + } + + // + + if ( this.animations.length > 0 ) { + + object.animations = []; + + for ( let i = 0; i < this.animations.length; i ++ ) { + + const animation = this.animations[ i ]; + + object.animations.push( serialize( meta.animations, animation ) ); + + } + + } + + if ( isRootObject ) { + + const geometries = extractFromCache( meta.geometries ); + const materials = extractFromCache( meta.materials ); + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + const shapes = extractFromCache( meta.shapes ); + const skeletons = extractFromCache( meta.skeletons ); + const animations = extractFromCache( meta.animations ); + const nodes = extractFromCache( meta.nodes ); + + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; + if ( shapes.length > 0 ) output.shapes = shapes; + if ( skeletons.length > 0 ) output.skeletons = skeletons; + if ( animations.length > 0 ) output.animations = animations; + if ( nodes.length > 0 ) output.nodes = nodes; + + } + + output.object = object; + + return output; + + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { + + const values = []; + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + } + + clone( recursive ) { + + return new this.constructor().copy( this, recursive ); + + } + + copy( source, recursive = true ) { + + this.name = source.name; + + this.up.copy( source.up ); + + this.position.copy( source.position ); + this.rotation.order = source.rotation.order; + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); + + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); + + this.matrixAutoUpdate = source.matrixAutoUpdate; + + this.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + + this.layers.mask = source.layers.mask; + this.visible = source.visible; + + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + + this.animations = source.animations.slice(); + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + if ( recursive === true ) { + + for ( let i = 0; i < source.children.length; i ++ ) { + + const child = source.children[ i ]; + this.add( child.clone() ); + + } + + } + + return this; + + } + +} + +Object3D.DEFAULT_UP = /*@__PURE__*/ new Vector3( 0, 1, 0 ); +Object3D.DEFAULT_MATRIX_AUTO_UPDATE = true; +Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true; + +const _v0$1 = /*@__PURE__*/ new Vector3(); +const _v1$3 = /*@__PURE__*/ new Vector3(); +const _v2$2 = /*@__PURE__*/ new Vector3(); +const _v3$2 = /*@__PURE__*/ new Vector3(); + +const _vab = /*@__PURE__*/ new Vector3(); +const _vac = /*@__PURE__*/ new Vector3(); +const _vbc = /*@__PURE__*/ new Vector3(); +const _vap = /*@__PURE__*/ new Vector3(); +const _vbp = /*@__PURE__*/ new Vector3(); +const _vcp = /*@__PURE__*/ new Vector3(); + +class Triangle { + + constructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) { + + this.a = a; + this.b = b; + this.c = c; + + } + + static getNormal( a, b, c, target ) { + + target.subVectors( c, b ); + _v0$1.subVectors( a, b ); + target.cross( _v0$1 ); + + const targetLengthSq = target.lengthSq(); + if ( targetLengthSq > 0 ) { + + return target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) ); + + } + + return target.set( 0, 0, 0 ); + + } + + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + static getBarycoord( point, a, b, c, target ) { + + _v0$1.subVectors( c, a ); + _v1$3.subVectors( b, a ); + _v2$2.subVectors( point, a ); + + const dot00 = _v0$1.dot( _v0$1 ); + const dot01 = _v0$1.dot( _v1$3 ); + const dot02 = _v0$1.dot( _v2$2 ); + const dot11 = _v1$3.dot( _v1$3 ); + const dot12 = _v1$3.dot( _v2$2 ); + + const denom = ( dot00 * dot11 - dot01 * dot01 ); + + // collinear or singular triangle + if ( denom === 0 ) { + + target.set( 0, 0, 0 ); + return null; + + } + + const invDenom = 1 / denom; + const u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + const v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + + // barycentric coordinates must always sum to 1 + return target.set( 1 - u - v, v, u ); + + } + + static containsPoint( point, a, b, c ) { + + // if the triangle is degenerate then we can't contain a point + if ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) { + + return false; + + } + + return ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 ); + + } + + static getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) { + + if ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) { + + target.x = 0; + target.y = 0; + if ( 'z' in target ) target.z = 0; + if ( 'w' in target ) target.w = 0; + return null; + + } + + target.setScalar( 0 ); + target.addScaledVector( v1, _v3$2.x ); + target.addScaledVector( v2, _v3$2.y ); + target.addScaledVector( v3, _v3$2.z ); + + return target; + + } + + static isFrontFacing( a, b, c, direction ) { + + _v0$1.subVectors( c, b ); + _v1$3.subVectors( a, b ); + + // strictly front facing + return ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false; + + } + + set( a, b, c ) { + + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); + + return this; + + } + + setFromPointsAndIndices( points, i0, i1, i2 ) { + + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); + + return this; + + } + + setFromAttributeAndIndices( attribute, i0, i1, i2 ) { + + this.a.fromBufferAttribute( attribute, i0 ); + this.b.fromBufferAttribute( attribute, i1 ); + this.c.fromBufferAttribute( attribute, i2 ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( triangle ) { + + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); + + return this; + + } + + getArea() { + + _v0$1.subVectors( this.c, this.b ); + _v1$3.subVectors( this.a, this.b ); + + return _v0$1.cross( _v1$3 ).length() * 0.5; + + } + + getMidpoint( target ) { + + return target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + + } + + getNormal( target ) { + + return Triangle.getNormal( this.a, this.b, this.c, target ); + + } + + getPlane( target ) { + + return target.setFromCoplanarPoints( this.a, this.b, this.c ); + + } + + getBarycoord( point, target ) { + + return Triangle.getBarycoord( point, this.a, this.b, this.c, target ); + + } + + getInterpolation( point, v1, v2, v3, target ) { + + return Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target ); + + } + + containsPoint( point ) { + + return Triangle.containsPoint( point, this.a, this.b, this.c ); + + } + + isFrontFacing( direction ) { + + return Triangle.isFrontFacing( this.a, this.b, this.c, direction ); + + } + + intersectsBox( box ) { + + return box.intersectsTriangle( this ); + + } + + closestPointToPoint( p, target ) { + + const a = this.a, b = this.b, c = this.c; + let v, w; + + // algorithm thanks to Real-Time Collision Detection by Christer Ericson, + // published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc., + // under the accompanying license; see chapter 5.1.5 for detailed explanation. + // basically, we're distinguishing which of the voronoi regions of the triangle + // the point lies in with the minimum amount of redundant computation. + + _vab.subVectors( b, a ); + _vac.subVectors( c, a ); + _vap.subVectors( p, a ); + const d1 = _vab.dot( _vap ); + const d2 = _vac.dot( _vap ); + if ( d1 <= 0 && d2 <= 0 ) { + + // vertex region of A; barycentric coords (1, 0, 0) + return target.copy( a ); + + } + + _vbp.subVectors( p, b ); + const d3 = _vab.dot( _vbp ); + const d4 = _vac.dot( _vbp ); + if ( d3 >= 0 && d4 <= d3 ) { + + // vertex region of B; barycentric coords (0, 1, 0) + return target.copy( b ); + + } + + const vc = d1 * d4 - d3 * d2; + if ( vc <= 0 && d1 >= 0 && d3 <= 0 ) { + + v = d1 / ( d1 - d3 ); + // edge region of AB; barycentric coords (1-v, v, 0) + return target.copy( a ).addScaledVector( _vab, v ); + + } + + _vcp.subVectors( p, c ); + const d5 = _vab.dot( _vcp ); + const d6 = _vac.dot( _vcp ); + if ( d6 >= 0 && d5 <= d6 ) { + + // vertex region of C; barycentric coords (0, 0, 1) + return target.copy( c ); + + } + + const vb = d5 * d2 - d1 * d6; + if ( vb <= 0 && d2 >= 0 && d6 <= 0 ) { + + w = d2 / ( d2 - d6 ); + // edge region of AC; barycentric coords (1-w, 0, w) + return target.copy( a ).addScaledVector( _vac, w ); + + } + + const va = d3 * d6 - d5 * d4; + if ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) { + + _vbc.subVectors( c, b ); + w = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) ); + // edge region of BC; barycentric coords (0, 1-w, w) + return target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC + + } + + // face region + const denom = 1 / ( va + vb + vc ); + // u = va * denom + v = vb * denom; + w = vc * denom; + + return target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w ); + + } + + equals( triangle ) { + + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + + } + +} + +const _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + +const _hslA = { h: 0, s: 0, l: 0 }; +const _hslB = { h: 0, s: 0, l: 0 }; + +function hue2rgb( p, q, t ) { + + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; + +} + +class Color { + + constructor( r, g, b ) { + + this.isColor = true; + + this.r = 1; + this.g = 1; + this.b = 1; + + return this.set( r, g, b ); + + } + + set( r, g, b ) { + + if ( g === undefined && b === undefined ) { + + // r is THREE.Color, hex or string + + const value = r; + + if ( value && value.isColor ) { + + this.copy( value ); + + } else if ( typeof value === 'number' ) { + + this.setHex( value ); + + } else if ( typeof value === 'string' ) { + + this.setStyle( value ); + + } + + } else { + + this.setRGB( r, g, b ); + + } + + return this; + + } + + setScalar( scalar ) { + + this.r = scalar; + this.g = scalar; + this.b = scalar; + + return this; + + } + + setHex( hex, colorSpace = SRGBColorSpace ) { + + hex = Math.floor( hex ); + + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) { + + this.r = r; + this.g = g; + this.b = b; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) { + + // h,s,l ranges are in 0.0 - 1.0 + h = euclideanModulo( h, 1 ); + s = clamp$1( s, 0, 1 ); + l = clamp$1( l, 0, 1 ); + + if ( s === 0 ) { + + this.r = this.g = this.b = l; + + } else { + + const p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + const q = ( 2 * l ) - p; + + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); + + } + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setStyle( style, colorSpace = SRGBColorSpace ) { + + function handleAlpha( string ) { + + if ( string === undefined ) return; + + if ( parseFloat( string ) < 1 ) { + + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + + } + + } + + + let m; + + if ( m = /^(\w+)\(([^\)]*)\)/.exec( style ) ) { + + // rgb / hsl + + let color; + const name = m[ 1 ]; + const components = m[ 2 ]; + + switch ( name ) { + + case 'rgb': + case 'rgba': + + if ( color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // rgb(255,0,0) rgba(255,0,0,0.5) + + handleAlpha( color[ 4 ] ); + + return this.setRGB( + Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255, + Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255, + Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255, + colorSpace + ); + + } + + if ( color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + + handleAlpha( color[ 4 ] ); + + return this.setRGB( + Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100, + Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100, + Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100, + colorSpace + ); + + } + + break; + + case 'hsl': + case 'hsla': + + if ( color = /^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + + handleAlpha( color[ 4 ] ); + + return this.setHSL( + parseFloat( color[ 1 ] ) / 360, + parseFloat( color[ 2 ] ) / 100, + parseFloat( color[ 3 ] ) / 100, + colorSpace + ); + + } + + break; + + default: + + console.warn( 'THREE.Color: Unknown color model ' + style ); + + } + + } else if ( m = /^\#([A-Fa-f\d]+)$/.exec( style ) ) { + + // hex color + + const hex = m[ 1 ]; + const size = hex.length; + + if ( size === 3 ) { + + // #ff0 + return this.setRGB( + parseInt( hex.charAt( 0 ), 16 ) / 15, + parseInt( hex.charAt( 1 ), 16 ) / 15, + parseInt( hex.charAt( 2 ), 16 ) / 15, + colorSpace + ); + + } else if ( size === 6 ) { + + // #ff0000 + return this.setHex( parseInt( hex, 16 ), colorSpace ); + + } else { + + console.warn( 'THREE.Color: Invalid hex color ' + style ); + + } + + } else if ( style && style.length > 0 ) { + + return this.setColorName( style, colorSpace ); + + } + + return this; + + } + + setColorName( style, colorSpace = SRGBColorSpace ) { + + // color keywords + const hex = _colorKeywords[ style.toLowerCase() ]; + + if ( hex !== undefined ) { + + // red + this.setHex( hex, colorSpace ); + + } else { + + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); + + } + + return this; + + } + + clone() { + + return new this.constructor( this.r, this.g, this.b ); + + } + + copy( color ) { + + this.r = color.r; + this.g = color.g; + this.b = color.b; + + return this; + + } + + copySRGBToLinear( color ) { + + this.r = SRGBToLinear( color.r ); + this.g = SRGBToLinear( color.g ); + this.b = SRGBToLinear( color.b ); + + return this; + + } + + copyLinearToSRGB( color ) { + + this.r = LinearToSRGB( color.r ); + this.g = LinearToSRGB( color.g ); + this.b = LinearToSRGB( color.b ); + + return this; + + } + + convertSRGBToLinear() { + + this.copySRGBToLinear( this ); + + return this; + + } + + convertLinearToSRGB() { + + this.copyLinearToSRGB( this ); + + return this; + + } + + getHex( colorSpace = SRGBColorSpace ) { + + ColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace ); + + return Math.round( clamp$1( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp$1( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp$1( _color.b * 255, 0, 255 ) ); + + } + + getHexString( colorSpace = SRGBColorSpace ) { + + return ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 ); + + } + + getHSL( target, colorSpace = ColorManagement.workingColorSpace ) { + + // h,s,l ranges are in 0.0 - 1.0 + + ColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace ); + + const r = _color.r, g = _color.g, b = _color.b; + + const max = Math.max( r, g, b ); + const min = Math.min( r, g, b ); + + let hue, saturation; + const lightness = ( min + max ) / 2.0; + + if ( min === max ) { + + hue = 0; + saturation = 0; + + } else { + + const delta = max - min; + + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + + switch ( max ) { + + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; + + } + + hue /= 6; + + } + + target.h = hue; + target.s = saturation; + target.l = lightness; + + return target; + + } + + getRGB( target, colorSpace = ColorManagement.workingColorSpace ) { + + ColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace ); + + target.r = _color.r; + target.g = _color.g; + target.b = _color.b; + + return target; + + } + + getStyle( colorSpace = SRGBColorSpace ) { + + ColorManagement.fromWorkingColorSpace( _color.copy( this ), colorSpace ); + + const r = _color.r, g = _color.g, b = _color.b; + + if ( colorSpace !== SRGBColorSpace ) { + + // Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/). + return `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`; + + } + + return `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`; + + } + + offsetHSL( h, s, l ) { + + this.getHSL( _hslA ); + + return this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l ); + + } + + add( color ) { + + this.r += color.r; + this.g += color.g; + this.b += color.b; + + return this; + + } + + addColors( color1, color2 ) { + + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + + return this; + + } + + addScalar( s ) { + + this.r += s; + this.g += s; + this.b += s; + + return this; + + } + + sub( color ) { + + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); + + return this; + + } + + multiply( color ) { + + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + + return this; + + } + + multiplyScalar( s ) { + + this.r *= s; + this.g *= s; + this.b *= s; + + return this; + + } + + lerp( color, alpha ) { + + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; + + return this; + + } + + lerpColors( color1, color2, alpha ) { + + this.r = color1.r + ( color2.r - color1.r ) * alpha; + this.g = color1.g + ( color2.g - color1.g ) * alpha; + this.b = color1.b + ( color2.b - color1.b ) * alpha; + + return this; + + } + + lerpHSL( color, alpha ) { + + this.getHSL( _hslA ); + color.getHSL( _hslB ); + + const h = lerp( _hslA.h, _hslB.h, alpha ); + const s = lerp( _hslA.s, _hslB.s, alpha ); + const l = lerp( _hslA.l, _hslB.l, alpha ); + + this.setHSL( h, s, l ); + + return this; + + } + + setFromVector3( v ) { + + this.r = v.x; + this.g = v.y; + this.b = v.z; + + return this; + + } + + applyMatrix3( m ) { + + const r = this.r, g = this.g, b = this.b; + const e = m.elements; + + this.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b; + this.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b; + this.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b; + + return this; + + } + + equals( c ) { + + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + + } + + fromArray( array, offset = 0 ) { + + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this.r = attribute.getX( index ); + this.g = attribute.getY( index ); + this.b = attribute.getZ( index ); + + return this; + + } + + toJSON() { + + return this.getHex(); + + } + + *[ Symbol.iterator ]() { + + yield this.r; + yield this.g; + yield this.b; + + } + +} + +const _color = /*@__PURE__*/ new Color(); + +Color.NAMES = _colorKeywords; + +let _materialId = 0; + +class Material extends EventDispatcher { + + constructor() { + + super(); + + this.isMaterial = true; + + Object.defineProperty( this, 'id', { value: _materialId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'Material'; + + this.blending = NormalBlending; + this.side = FrontSide; + this.vertexColors = false; + + this.opacity = 1; + this.transparent = false; + this.alphaHash = false; + + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + this.blendColor = new Color( 0, 0, 0 ); + this.blendAlpha = 0; + + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + + this.stencilWriteMask = 0xff; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 0xff; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + + this.shadowSide = null; + + this.colorWrite = true; + + this.precision = null; // override the renderer's default precision for this material + + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + + this.dithering = false; + + this.alphaToCoverage = false; + this.premultipliedAlpha = false; + this.forceSinglePass = false; + + this.visible = true; + + this.toneMapped = true; + + this.userData = {}; + + this.version = 0; + + this._alphaTest = 0; + + } + + get alphaTest() { + + return this._alphaTest; + + } + + set alphaTest( value ) { + + if ( this._alphaTest > 0 !== value > 0 ) { + + this.version ++; + + } + + this._alphaTest = value; + + } + + onBeforeCompile( /* shaderobject, renderer */ ) {} + + customProgramCacheKey() { + + return this.onBeforeCompile.toString(); + + } + + setValues( values ) { + + if ( values === undefined ) return; + + for ( const key in values ) { + + const newValue = values[ key ]; + + if ( newValue === undefined ) { + + console.warn( `THREE.Material: parameter '${ key }' has value of undefined.` ); + continue; + + } + + const currentValue = this[ key ]; + + if ( currentValue === undefined ) { + + console.warn( `THREE.Material: '${ key }' is not a property of THREE.${ this.type }.` ); + continue; + + } + + if ( currentValue && currentValue.isColor ) { + + currentValue.set( newValue ); + + } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) { + + currentValue.copy( newValue ); + + } else { + + this[ key ] = newValue; + + } + + } + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( isRootObject ) { + + meta = { + textures: {}, + images: {} + }; + + } + + const data = { + metadata: { + version: 4.6, + type: 'Material', + generator: 'Material.toJSON' + } + }; + + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; + + if ( this.name !== '' ) data.name = this.name; + + if ( this.color && this.color.isColor ) data.color = this.color.getHex(); + + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; + + if ( this.sheen !== undefined ) data.sheen = this.sheen; + if ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex(); + if ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness; + if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); + if ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity; + + if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex(); + if ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity; + if ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; + if ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat; + if ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness; + + if ( this.clearcoatMap && this.clearcoatMap.isTexture ) { + + data.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid; + + } + + if ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) { + + data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid; + + } + + if ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) { + + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + + } + + if ( this.dispersion !== undefined ) data.dispersion = this.dispersion; + + if ( this.iridescence !== undefined ) data.iridescence = this.iridescence; + if ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR; + if ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange; + + if ( this.iridescenceMap && this.iridescenceMap.isTexture ) { + + data.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid; + + } + + if ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) { + + data.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid; + + } + + if ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy; + if ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation; + + if ( this.anisotropyMap && this.anisotropyMap.isTexture ) { + + data.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid; + + } + + if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid; + if ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid; + if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + + if ( this.lightMap && this.lightMap.isTexture ) { + + data.lightMap = this.lightMap.toJSON( meta ).uuid; + data.lightMapIntensity = this.lightMapIntensity; + + } + + if ( this.aoMap && this.aoMap.isTexture ) { + + data.aoMap = this.aoMap.toJSON( meta ).uuid; + data.aoMapIntensity = this.aoMapIntensity; + + } + + if ( this.bumpMap && this.bumpMap.isTexture ) { + + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; + + } + + if ( this.normalMap && this.normalMap.isTexture ) { + + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + + } + + if ( this.displacementMap && this.displacementMap.isTexture ) { + + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + + } + + if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + + if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + if ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid; + if ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid; + + if ( this.envMap && this.envMap.isTexture ) { + + data.envMap = this.envMap.toJSON( meta ).uuid; + + if ( this.combine !== undefined ) data.combine = this.combine; + + } + + if ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray(); + if ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity; + if ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity; + if ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio; + + if ( this.gradientMap && this.gradientMap.isTexture ) { + + data.gradientMap = this.gradientMap.toJSON( meta ).uuid; + + } + + if ( this.transmission !== undefined ) data.transmission = this.transmission; + if ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid; + if ( this.thickness !== undefined ) data.thickness = this.thickness; + if ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid; + if ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance; + if ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex(); + + if ( this.size !== undefined ) data.size = this.size; + if ( this.shadowSide !== null ) data.shadowSide = this.shadowSide; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors === true ) data.vertexColors = true; + + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = true; + + if ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc; + if ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst; + if ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation; + if ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha; + if ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha; + if ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha; + if ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex(); + if ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha; + + if ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc; + if ( this.depthTest === false ) data.depthTest = this.depthTest; + if ( this.depthWrite === false ) data.depthWrite = this.depthWrite; + if ( this.colorWrite === false ) data.colorWrite = this.colorWrite; + + if ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask; + if ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc; + if ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef; + if ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask; + if ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail; + if ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail; + if ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass; + if ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite; + + // rotation (SpriteMaterial) + if ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation; + + if ( this.polygonOffset === true ) data.polygonOffset = true; + if ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor; + if ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits; + + if ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth; + if ( this.dashSize !== undefined ) data.dashSize = this.dashSize; + if ( this.gapSize !== undefined ) data.gapSize = this.gapSize; + if ( this.scale !== undefined ) data.scale = this.scale; + + if ( this.dithering === true ) data.dithering = true; + + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.alphaHash === true ) data.alphaHash = true; + if ( this.alphaToCoverage === true ) data.alphaToCoverage = true; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true; + if ( this.forceSinglePass === true ) data.forceSinglePass = true; + + if ( this.wireframe === true ) data.wireframe = true; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + + if ( this.flatShading === true ) data.flatShading = true; + + if ( this.visible === false ) data.visible = false; + + if ( this.toneMapped === false ) data.toneMapped = false; + + if ( this.fog === false ) data.fog = false; + + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + const values = []; + + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRootObject ) { + + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + + } + + return data; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.name = source.name; + + this.blending = source.blending; + this.side = source.side; + this.vertexColors = source.vertexColors; + + this.opacity = source.opacity; + this.transparent = source.transparent; + + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + this.blendColor.copy( source.blendColor ); + this.blendAlpha = source.blendAlpha; + + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + + const srcPlanes = source.clippingPlanes; + let dstPlanes = null; + + if ( srcPlanes !== null ) { + + const n = srcPlanes.length; + dstPlanes = new Array( n ); + + for ( let i = 0; i !== n; ++ i ) { + + dstPlanes[ i ] = srcPlanes[ i ].clone(); + + } + + } + + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + + this.shadowSide = source.shadowSide; + + this.colorWrite = source.colorWrite; + + this.precision = source.precision; + + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + + this.dithering = source.dithering; + + this.alphaTest = source.alphaTest; + this.alphaHash = source.alphaHash; + this.alphaToCoverage = source.alphaToCoverage; + this.premultipliedAlpha = source.premultipliedAlpha; + this.forceSinglePass = source.forceSinglePass; + + this.visible = source.visible; + + this.toneMapped = source.toneMapped; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + onBuild( /* shaderobject, renderer */ ) { + + console.warn( 'Material: onBuild() has been removed.' ); // @deprecated, r166 + + } + + onBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) { + + console.warn( 'Material: onBeforeRender() has been removed.' ); // @deprecated, r166 + + } + + +} + +class MeshBasicMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshBasicMaterial = true; + + this.type = 'MeshBasicMaterial'; + + this.color = new Color( 0xffffff ); // emissive + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.fog = source.fog; + + return this; + + } + +} + +// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf + +const _tables = /*@__PURE__*/ _generateTables(); + +function _generateTables() { + + // float32 to float16 helpers + + const buffer = new ArrayBuffer( 4 ); + const floatView = new Float32Array( buffer ); + const uint32View = new Uint32Array( buffer ); + + const baseTable = new Uint32Array( 512 ); + const shiftTable = new Uint32Array( 512 ); + + for ( let i = 0; i < 256; ++ i ) { + + const e = i - 127; + + // very small number (0, -0) + + if ( e < - 27 ) { + + baseTable[ i ] = 0x0000; + baseTable[ i | 0x100 ] = 0x8000; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + + // small number (denorm) + + } else if ( e < - 14 ) { + + baseTable[ i ] = 0x0400 >> ( - e - 14 ); + baseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000; + shiftTable[ i ] = - e - 1; + shiftTable[ i | 0x100 ] = - e - 1; + + // normal number + + } else if ( e <= 15 ) { + + baseTable[ i ] = ( e + 15 ) << 10; + baseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + + // large number (Infinity, -Infinity) + + } else if ( e < 128 ) { + + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + + // stay (NaN, Infinity, -Infinity) + + } else { + + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + + } + + } + + // float16 to float32 helpers + + const mantissaTable = new Uint32Array( 2048 ); + const exponentTable = new Uint32Array( 64 ); + const offsetTable = new Uint32Array( 64 ); + + for ( let i = 1; i < 1024; ++ i ) { + + let m = i << 13; // zero pad mantissa bits + let e = 0; // zero exponent + + // normalized + while ( ( m & 0x00800000 ) === 0 ) { + + m <<= 1; + e -= 0x00800000; // decrement exponent + + } + + m &= ~ 0x00800000; // clear leading 1 bit + e += 0x38800000; // adjust bias + + mantissaTable[ i ] = m | e; + + } + + for ( let i = 1024; i < 2048; ++ i ) { + + mantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 ); + + } + + for ( let i = 1; i < 31; ++ i ) { + + exponentTable[ i ] = i << 23; + + } + + exponentTable[ 31 ] = 0x47800000; + exponentTable[ 32 ] = 0x80000000; + + for ( let i = 33; i < 63; ++ i ) { + + exponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 ); + + } + + exponentTable[ 63 ] = 0xc7800000; + + for ( let i = 1; i < 64; ++ i ) { + + if ( i !== 32 ) { + + offsetTable[ i ] = 1024; + + } + + } + + return { + floatView: floatView, + uint32View: uint32View, + baseTable: baseTable, + shiftTable: shiftTable, + mantissaTable: mantissaTable, + exponentTable: exponentTable, + offsetTable: offsetTable + }; + +} + +// float32 to float16 + +function toHalfFloat( val ) { + + if ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' ); + + val = clamp$1( val, - 65504, 65504 ); + + _tables.floatView[ 0 ] = val; + const f = _tables.uint32View[ 0 ]; + const e = ( f >> 23 ) & 0x1ff; + return _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] ); + +} + +// float16 to float32 + +function fromHalfFloat( val ) { + + const m = val >> 10; + _tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ]; + return _tables.floatView[ 0 ]; + +} + +const DataUtils = { + toHalfFloat: toHalfFloat, + fromHalfFloat: fromHalfFloat, +}; + +const _vector$9 = /*@__PURE__*/ new Vector3(); +const _vector2$1 = /*@__PURE__*/ new Vector2(); + +class BufferAttribute { + + constructor( array, itemSize, normalized = false ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.isBufferAttribute = true; + + this.name = ''; + + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized; + + this.usage = StaticDrawUsage; + this._updateRange = { offset: 0, count: - 1 }; + this.updateRanges = []; + this.gpuType = FloatType; + + this.version = 0; + + } + + onUploadCallback() {} + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + get updateRange() { + + warnOnce( 'THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead.' ); // @deprecated, r159 + return this._updateRange; + + } + + setUsage( value ) { + + this.usage = value; + + return this; + + } + + addUpdateRange( start, count ) { + + this.updateRanges.push( { start, count } ); + + } + + clearUpdateRanges() { + + this.updateRanges.length = 0; + + } + + copy( source ) { + + this.name = source.name; + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + + this.usage = source.usage; + this.gpuType = source.gpuType; + + return this; + + } + + copyAt( index1, attribute, index2 ) { + + index1 *= this.itemSize; + index2 *= attribute.itemSize; + + for ( let i = 0, l = this.itemSize; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + } + + copyArray( array ) { + + this.array.set( array ); + + return this; + + } + + applyMatrix3( m ) { + + if ( this.itemSize === 2 ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector2$1.fromBufferAttribute( this, i ); + _vector2$1.applyMatrix3( m ); + + this.setXY( i, _vector2$1.x, _vector2$1.y ); + + } + + } else if ( this.itemSize === 3 ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + _vector$9.applyMatrix3( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + } + + return this; + + } + + applyMatrix4( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.applyMatrix4( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + applyNormalMatrix( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.applyNormalMatrix( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + transformDirection( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.transformDirection( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + set( value, offset = 0 ) { + + // Matching BufferAttribute constructor, do not normalize the array. + this.array.set( value, offset ); + + return this; + + } + + getComponent( index, component ) { + + let value = this.array[ index * this.itemSize + component ]; + + if ( this.normalized ) value = denormalize( value, this.array ); + + return value; + + } + + setComponent( index, component, value ) { + + if ( this.normalized ) value = normalize$1( value, this.array ); + + this.array[ index * this.itemSize + component ] = value; + + return this; + + } + + getX( index ) { + + let x = this.array[ index * this.itemSize ]; + + if ( this.normalized ) x = denormalize( x, this.array ); + + return x; + + } + + setX( index, x ) { + + if ( this.normalized ) x = normalize$1( x, this.array ); + + this.array[ index * this.itemSize ] = x; + + return this; + + } + + getY( index ) { + + let y = this.array[ index * this.itemSize + 1 ]; + + if ( this.normalized ) y = denormalize( y, this.array ); + + return y; + + } + + setY( index, y ) { + + if ( this.normalized ) y = normalize$1( y, this.array ); + + this.array[ index * this.itemSize + 1 ] = y; + + return this; + + } + + getZ( index ) { + + let z = this.array[ index * this.itemSize + 2 ]; + + if ( this.normalized ) z = denormalize( z, this.array ); + + return z; + + } + + setZ( index, z ) { + + if ( this.normalized ) z = normalize$1( z, this.array ); + + this.array[ index * this.itemSize + 2 ] = z; + + return this; + + } + + getW( index ) { + + let w = this.array[ index * this.itemSize + 3 ]; + + if ( this.normalized ) w = denormalize( w, this.array ); + + return w; + + } + + setW( index, w ) { + + if ( this.normalized ) w = normalize$1( w, this.array ); + + this.array[ index * this.itemSize + 3 ] = w; + + return this; + + } + + setXY( index, x, y ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + + } + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + + return this; + + } + + setXYZ( index, x, y, z ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + + } + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + + return this; + + } + + setXYZW( index, x, y, z, w ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + w = normalize$1( w, this.array ); + + } + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; + + return this; + + } + + onUpload( callback ) { + + this.onUploadCallback = callback; + + return this; + + } + + clone() { + + return new this.constructor( this.array, this.itemSize ).copy( this ); + + } + + toJSON() { + + const data = { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.from( this.array ), + normalized: this.normalized + }; + + if ( this.name !== '' ) data.name = this.name; + if ( this.usage !== StaticDrawUsage ) data.usage = this.usage; + + return data; + + } + +} + +// + +class Int8BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int8Array( array ), itemSize, normalized ); + + } + +} + +class Uint8BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint8Array( array ), itemSize, normalized ); + + } + +} + +class Uint8ClampedBufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint8ClampedArray( array ), itemSize, normalized ); + + } + +} + +class Int16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int16Array( array ), itemSize, normalized ); + + } + +} + +class Uint16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint16Array( array ), itemSize, normalized ); + + } + +} + +class Int32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int32Array( array ), itemSize, normalized ); + + } + +} + +class Uint32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint32Array( array ), itemSize, normalized ); + + } + +} + +class Float16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint16Array( array ), itemSize, normalized ); + + this.isFloat16BufferAttribute = true; + + } + + getX( index ) { + + let x = fromHalfFloat( this.array[ index * this.itemSize ] ); + + if ( this.normalized ) x = denormalize( x, this.array ); + + return x; + + } + + setX( index, x ) { + + if ( this.normalized ) x = normalize$1( x, this.array ); + + this.array[ index * this.itemSize ] = toHalfFloat( x ); + + return this; + + } + + getY( index ) { + + let y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] ); + + if ( this.normalized ) y = denormalize( y, this.array ); + + return y; + + } + + setY( index, y ) { + + if ( this.normalized ) y = normalize$1( y, this.array ); + + this.array[ index * this.itemSize + 1 ] = toHalfFloat( y ); + + return this; + + } + + getZ( index ) { + + let z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] ); + + if ( this.normalized ) z = denormalize( z, this.array ); + + return z; + + } + + setZ( index, z ) { + + if ( this.normalized ) z = normalize$1( z, this.array ); + + this.array[ index * this.itemSize + 2 ] = toHalfFloat( z ); + + return this; + + } + + getW( index ) { + + let w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] ); + + if ( this.normalized ) w = denormalize( w, this.array ); + + return w; + + } + + setW( index, w ) { + + if ( this.normalized ) w = normalize$1( w, this.array ); + + this.array[ index * this.itemSize + 3 ] = toHalfFloat( w ); + + return this; + + } + + setXY( index, x, y ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + + } + + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + + return this; + + } + + setXYZ( index, x, y, z ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + + } + + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + this.array[ index + 2 ] = toHalfFloat( z ); + + return this; + + } + + setXYZW( index, x, y, z, w ) { + + index *= this.itemSize; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + w = normalize$1( w, this.array ); + + } + + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + this.array[ index + 2 ] = toHalfFloat( z ); + this.array[ index + 3 ] = toHalfFloat( w ); + + return this; + + } + +} + + +class Float32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Float32Array( array ), itemSize, normalized ); + + } + +} + +let _id$6 = 0; + +const _m1 = /*@__PURE__*/ new Matrix4(); +const _obj = /*@__PURE__*/ new Object3D(); +const _offset = /*@__PURE__*/ new Vector3(); +const _box$2 = /*@__PURE__*/ new Box3(); +const _boxMorphTargets = /*@__PURE__*/ new Box3(); +const _vector$8 = /*@__PURE__*/ new Vector3(); + +class BufferGeometry extends EventDispatcher { + + constructor() { + + super(); + + this.isBufferGeometry = true; + + Object.defineProperty( this, 'id', { value: _id$6 ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'BufferGeometry'; + + this.index = null; + this.attributes = {}; + + this.morphAttributes = {}; + this.morphTargetsRelative = false; + + this.groups = []; + + this.boundingBox = null; + this.boundingSphere = null; + + this.drawRange = { start: 0, count: Infinity }; + + this.userData = {}; + + } + + getIndex() { + + return this.index; + + } + + setIndex( index ) { + + if ( Array.isArray( index ) ) { + + this.index = new ( arrayNeedsUint32$1( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 ); + + } else { + + this.index = index; + + } + + return this; + + } + + getAttribute( name ) { + + return this.attributes[ name ]; + + } + + setAttribute( name, attribute ) { + + this.attributes[ name ] = attribute; + + return this; + + } + + deleteAttribute( name ) { + + delete this.attributes[ name ]; + + return this; + + } + + hasAttribute( name ) { + + return this.attributes[ name ] !== undefined; + + } + + addGroup( start, count, materialIndex = 0 ) { + + this.groups.push( { + + start: start, + count: count, + materialIndex: materialIndex + + } ); + + } + + clearGroups() { + + this.groups = []; + + } + + setDrawRange( start, count ) { + + this.drawRange.start = start; + this.drawRange.count = count; + + } + + applyMatrix4( matrix ) { + + const position = this.attributes.position; + + if ( position !== undefined ) { + + position.applyMatrix4( matrix ); + + position.needsUpdate = true; + + } + + const normal = this.attributes.normal; + + if ( normal !== undefined ) { + + const normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + normal.applyNormalMatrix( normalMatrix ); + + normal.needsUpdate = true; + + } + + const tangent = this.attributes.tangent; + + if ( tangent !== undefined ) { + + tangent.transformDirection( matrix ); + + tangent.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + } + + applyQuaternion( q ) { + + _m1.makeRotationFromQuaternion( q ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateX( angle ) { + + // rotate geometry around world x-axis + + _m1.makeRotationX( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateY( angle ) { + + // rotate geometry around world y-axis + + _m1.makeRotationY( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateZ( angle ) { + + // rotate geometry around world z-axis + + _m1.makeRotationZ( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + translate( x, y, z ) { + + // translate geometry + + _m1.makeTranslation( x, y, z ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + scale( x, y, z ) { + + // scale geometry + + _m1.makeScale( x, y, z ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + lookAt( vector ) { + + _obj.lookAt( vector ); + + _obj.updateMatrix(); + + this.applyMatrix4( _obj.matrix ); + + return this; + + } + + center() { + + this.computeBoundingBox(); + + this.boundingBox.getCenter( _offset ).negate(); + + this.translate( _offset.x, _offset.y, _offset.z ); + + return this; + + } + + setFromPoints( points ) { + + const position = []; + + for ( let i = 0, l = points.length; i < l; i ++ ) { + + const point = points[ i ]; + position.push( point.x, point.y, point.z || 0 ); + + } + + this.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); + + return this; + + } + + computeBoundingBox() { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + + if ( position && position.isGLBufferAttribute ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this ); + + this.boundingBox.set( + new Vector3( - Infinity, - Infinity, - Infinity ), + new Vector3( + Infinity, + Infinity, + Infinity ) + ); + + return; + + } + + if ( position !== undefined ) { + + this.boundingBox.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + _box$2.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$8.addVectors( this.boundingBox.min, _box$2.min ); + this.boundingBox.expandByPoint( _vector$8 ); + + _vector$8.addVectors( this.boundingBox.max, _box$2.max ); + this.boundingBox.expandByPoint( _vector$8 ); + + } else { + + this.boundingBox.expandByPoint( _box$2.min ); + this.boundingBox.expandByPoint( _box$2.max ); + + } + + } + + } + + } else { + + this.boundingBox.makeEmpty(); + + } + + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + + if ( position && position.isGLBufferAttribute ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this ); + + this.boundingSphere.set( new Vector3(), Infinity ); + + return; + + } + + if ( position ) { + + // first, find the center of the bounding sphere + + const center = this.boundingSphere.center; + + _box$2.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + _boxMorphTargets.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$8.addVectors( _box$2.min, _boxMorphTargets.min ); + _box$2.expandByPoint( _vector$8 ); + + _vector$8.addVectors( _box$2.max, _boxMorphTargets.max ); + _box$2.expandByPoint( _vector$8 ); + + } else { + + _box$2.expandByPoint( _boxMorphTargets.min ); + _box$2.expandByPoint( _boxMorphTargets.max ); + + } + + } + + } + + _box$2.getCenter( center ); + + // second, try to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + + let maxRadiusSq = 0; + + for ( let i = 0, il = position.count; i < il; i ++ ) { + + _vector$8.fromBufferAttribute( position, i ); + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + + } + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + const morphTargetsRelative = this.morphTargetsRelative; + + for ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) { + + _vector$8.fromBufferAttribute( morphAttribute, j ); + + if ( morphTargetsRelative ) { + + _offset.fromBufferAttribute( position, j ); + _vector$8.add( _offset ); + + } + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + + } + + } + + } + + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + + if ( isNaN( this.boundingSphere.radius ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + } + + computeTangents() { + + const index = this.index; + const attributes = this.attributes; + + // based on http://www.terathon.com/code/tangent.html + // (per vertex tangents) + + if ( index === null || + attributes.position === undefined || + attributes.normal === undefined || + attributes.uv === undefined ) { + + console.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' ); + return; + + } + + const positionAttribute = attributes.position; + const normalAttribute = attributes.normal; + const uvAttribute = attributes.uv; + + if ( this.hasAttribute( 'tangent' ) === false ) { + + this.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) ); + + } + + const tangentAttribute = this.getAttribute( 'tangent' ); + + const tan1 = [], tan2 = []; + + for ( let i = 0; i < positionAttribute.count; i ++ ) { + + tan1[ i ] = new Vector3(); + tan2[ i ] = new Vector3(); + + } + + const vA = new Vector3(), + vB = new Vector3(), + vC = new Vector3(), + + uvA = new Vector2(), + uvB = new Vector2(), + uvC = new Vector2(), + + sdir = new Vector3(), + tdir = new Vector3(); + + function handleTriangle( a, b, c ) { + + vA.fromBufferAttribute( positionAttribute, a ); + vB.fromBufferAttribute( positionAttribute, b ); + vC.fromBufferAttribute( positionAttribute, c ); + + uvA.fromBufferAttribute( uvAttribute, a ); + uvB.fromBufferAttribute( uvAttribute, b ); + uvC.fromBufferAttribute( uvAttribute, c ); + + vB.sub( vA ); + vC.sub( vA ); + + uvB.sub( uvA ); + uvC.sub( uvA ); + + const r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y ); + + // silently ignore degenerate uv triangles having coincident or colinear vertices + + if ( ! isFinite( r ) ) return; + + sdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r ); + tdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r ); + + tan1[ a ].add( sdir ); + tan1[ b ].add( sdir ); + tan1[ c ].add( sdir ); + + tan2[ a ].add( tdir ); + tan2[ b ].add( tdir ); + tan2[ c ].add( tdir ); + + } + + let groups = this.groups; + + if ( groups.length === 0 ) { + + groups = [ { + start: 0, + count: index.count + } ]; + + } + + for ( let i = 0, il = groups.length; i < il; ++ i ) { + + const group = groups[ i ]; + + const start = group.start; + const count = group.count; + + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + + handleTriangle( + index.getX( j + 0 ), + index.getX( j + 1 ), + index.getX( j + 2 ) + ); + + } + + } + + const tmp = new Vector3(), tmp2 = new Vector3(); + const n = new Vector3(), n2 = new Vector3(); + + function handleVertex( v ) { + + n.fromBufferAttribute( normalAttribute, v ); + n2.copy( n ); + + const t = tan1[ v ]; + + // Gram-Schmidt orthogonalize + + tmp.copy( t ); + tmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize(); + + // Calculate handedness + + tmp2.crossVectors( n2, t ); + const test = tmp2.dot( tan2[ v ] ); + const w = ( test < 0.0 ) ? - 1.0 : 1.0; + + tangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w ); + + } + + for ( let i = 0, il = groups.length; i < il; ++ i ) { + + const group = groups[ i ]; + + const start = group.start; + const count = group.count; + + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + + handleVertex( index.getX( j + 0 ) ); + handleVertex( index.getX( j + 1 ) ); + handleVertex( index.getX( j + 2 ) ); + + } + + } + + } + + computeVertexNormals() { + + const index = this.index; + const positionAttribute = this.getAttribute( 'position' ); + + if ( positionAttribute !== undefined ) { + + let normalAttribute = this.getAttribute( 'normal' ); + + if ( normalAttribute === undefined ) { + + normalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 ); + this.setAttribute( 'normal', normalAttribute ); + + } else { + + // reset existing normals to zero + + for ( let i = 0, il = normalAttribute.count; i < il; i ++ ) { + + normalAttribute.setXYZ( i, 0, 0, 0 ); + + } + + } + + const pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + const nA = new Vector3(), nB = new Vector3(), nC = new Vector3(); + const cb = new Vector3(), ab = new Vector3(); + + // indexed elements + + if ( index ) { + + for ( let i = 0, il = index.count; i < il; i += 3 ) { + + const vA = index.getX( i + 0 ); + const vB = index.getX( i + 1 ); + const vC = index.getX( i + 2 ); + + pA.fromBufferAttribute( positionAttribute, vA ); + pB.fromBufferAttribute( positionAttribute, vB ); + pC.fromBufferAttribute( positionAttribute, vC ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + nA.fromBufferAttribute( normalAttribute, vA ); + nB.fromBufferAttribute( normalAttribute, vB ); + nC.fromBufferAttribute( normalAttribute, vC ); + + nA.add( cb ); + nB.add( cb ); + nC.add( cb ); + + normalAttribute.setXYZ( vA, nA.x, nA.y, nA.z ); + normalAttribute.setXYZ( vB, nB.x, nB.y, nB.z ); + normalAttribute.setXYZ( vC, nC.x, nC.y, nC.z ); + + } + + } else { + + // non-indexed elements (unconnected triangle soup) + + for ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) { + + pA.fromBufferAttribute( positionAttribute, i + 0 ); + pB.fromBufferAttribute( positionAttribute, i + 1 ); + pC.fromBufferAttribute( positionAttribute, i + 2 ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z ); + + } + + } + + this.normalizeNormals(); + + normalAttribute.needsUpdate = true; + + } + + } + + normalizeNormals() { + + const normals = this.attributes.normal; + + for ( let i = 0, il = normals.count; i < il; i ++ ) { + + _vector$8.fromBufferAttribute( normals, i ); + + _vector$8.normalize(); + + normals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z ); + + } + + } + + toNonIndexed() { + + function convertBufferAttribute( attribute, indices ) { + + const array = attribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + + const array2 = new array.constructor( indices.length * itemSize ); + + let index = 0, index2 = 0; + + for ( let i = 0, l = indices.length; i < l; i ++ ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + index = indices[ i ] * attribute.data.stride + attribute.offset; + + } else { + + index = indices[ i ] * itemSize; + + } + + for ( let j = 0; j < itemSize; j ++ ) { + + array2[ index2 ++ ] = array[ index ++ ]; + + } + + } + + return new BufferAttribute( array2, itemSize, normalized ); + + } + + // + + if ( this.index === null ) { + + console.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' ); + return this; + + } + + const geometry2 = new BufferGeometry(); + + const indices = this.index.array; + const attributes = this.attributes; + + // attributes + + for ( const name in attributes ) { + + const attribute = attributes[ name ]; + + const newAttribute = convertBufferAttribute( attribute, indices ); + + geometry2.setAttribute( name, newAttribute ); + + } + + // morph attributes + + const morphAttributes = this.morphAttributes; + + for ( const name in morphAttributes ) { + + const morphArray = []; + const morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( let i = 0, il = morphAttribute.length; i < il; i ++ ) { + + const attribute = morphAttribute[ i ]; + + const newAttribute = convertBufferAttribute( attribute, indices ); + + morphArray.push( newAttribute ); + + } + + geometry2.morphAttributes[ name ] = morphArray; + + } + + geometry2.morphTargetsRelative = this.morphTargetsRelative; + + // groups + + const groups = this.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + geometry2.addGroup( group.start, group.count, group.materialIndex ); + + } + + return geometry2; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.6, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + + // standard BufferGeometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + + if ( this.parameters !== undefined ) { + + const parameters = this.parameters; + + for ( const key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + // for simplicity the code assumes attributes are not shared across geometries, see #15811 + + data.data = { attributes: {} }; + + const index = this.index; + + if ( index !== null ) { + + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call( index.array ) + }; + + } + + const attributes = this.attributes; + + for ( const key in attributes ) { + + const attribute = attributes[ key ]; + + data.data.attributes[ key ] = attribute.toJSON( data.data ); + + } + + const morphAttributes = {}; + let hasMorphAttributes = false; + + for ( const key in this.morphAttributes ) { + + const attributeArray = this.morphAttributes[ key ]; + + const array = []; + + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + + const attribute = attributeArray[ i ]; + + array.push( attribute.toJSON( data.data ) ); + + } + + if ( array.length > 0 ) { + + morphAttributes[ key ] = array; + + hasMorphAttributes = true; + + } + + } + + if ( hasMorphAttributes ) { + + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + + } + + const groups = this.groups; + + if ( groups.length > 0 ) { + + data.data.groups = JSON.parse( JSON.stringify( groups ) ); + + } + + const boundingSphere = this.boundingSphere; + + if ( boundingSphere !== null ) { + + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; + + } + + return data; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + // reset + + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + + // used for storing cloned, shared data + + const data = {}; + + // name + + this.name = source.name; + + // index + + const index = source.index; + + if ( index !== null ) { + + this.setIndex( index.clone( data ) ); + + } + + // attributes + + const attributes = source.attributes; + + for ( const name in attributes ) { + + const attribute = attributes[ name ]; + this.setAttribute( name, attribute.clone( data ) ); + + } + + // morph attributes + + const morphAttributes = source.morphAttributes; + + for ( const name in morphAttributes ) { + + const array = []; + const morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( let i = 0, l = morphAttribute.length; i < l; i ++ ) { + + array.push( morphAttribute[ i ].clone( data ) ); + + } + + this.morphAttributes[ name ] = array; + + } + + this.morphTargetsRelative = source.morphTargetsRelative; + + // groups + + const groups = source.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + + } + + // bounding box + + const boundingBox = source.boundingBox; + + if ( boundingBox !== null ) { + + this.boundingBox = boundingBox.clone(); + + } + + // bounding sphere + + const boundingSphere = source.boundingSphere; + + if ( boundingSphere !== null ) { + + this.boundingSphere = boundingSphere.clone(); + + } + + // draw range + + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + + // user data + + this.userData = source.userData; + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} + +const _inverseMatrix$3 = /*@__PURE__*/ new Matrix4(); +const _ray$3 = /*@__PURE__*/ new Ray(); +const _sphere$6 = /*@__PURE__*/ new Sphere(); +const _sphereHitAt = /*@__PURE__*/ new Vector3(); + +const _vA$1 = /*@__PURE__*/ new Vector3(); +const _vB$1 = /*@__PURE__*/ new Vector3(); +const _vC$1 = /*@__PURE__*/ new Vector3(); + +const _tempA = /*@__PURE__*/ new Vector3(); +const _morphA = /*@__PURE__*/ new Vector3(); + +const _uvA$1 = /*@__PURE__*/ new Vector2(); +const _uvB$1 = /*@__PURE__*/ new Vector2(); +const _uvC$1 = /*@__PURE__*/ new Vector2(); + +const _normalA = /*@__PURE__*/ new Vector3(); +const _normalB = /*@__PURE__*/ new Vector3(); +const _normalC = /*@__PURE__*/ new Vector3(); + +const _intersectionPoint = /*@__PURE__*/ new Vector3(); +const _intersectionPointWorld = /*@__PURE__*/ new Vector3(); + +class Mesh extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) { + + super(); + + this.isMesh = true; + + this.type = 'Mesh'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.morphTargetInfluences !== undefined ) { + + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + + } + + if ( source.morphTargetDictionary !== undefined ) { + + this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary ); + + } + + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + + return this; + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + + getVertexPosition( index, target ) { + + const geometry = this.geometry; + const position = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + + target.fromBufferAttribute( position, index ); + + const morphInfluences = this.morphTargetInfluences; + + if ( morphPosition && morphInfluences ) { + + _morphA.set( 0, 0, 0 ); + + for ( let i = 0, il = morphPosition.length; i < il; i ++ ) { + + const influence = morphInfluences[ i ]; + const morphAttribute = morphPosition[ i ]; + + if ( influence === 0 ) continue; + + _tempA.fromBufferAttribute( morphAttribute, index ); + + if ( morphTargetsRelative ) { + + _morphA.addScaledVector( _tempA, influence ); + + } else { + + _morphA.addScaledVector( _tempA.sub( target ), influence ); + + } + + } + + target.add( _morphA ); + + } + + return target; + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const material = this.material; + const matrixWorld = this.matrixWorld; + + if ( material === undefined ) return; + + // test with bounding sphere in world space + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$6.copy( geometry.boundingSphere ); + _sphere$6.applyMatrix4( matrixWorld ); + + // check distance from ray origin to bounding sphere + + _ray$3.copy( raycaster.ray ).recast( raycaster.near ); + + if ( _sphere$6.containsPoint( _ray$3.origin ) === false ) { + + if ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return; + + if ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return; + + } + + // convert ray to local space of mesh + + _inverseMatrix$3.copy( matrixWorld ).invert(); + _ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 ); + + // test with bounding box in local space + + if ( geometry.boundingBox !== null ) { + + if ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return; + + } + + // test for intersections with geometry + + this._computeIntersections( raycaster, intersects, _ray$3 ); + + } + + _computeIntersections( raycaster, intersects, rayLocalSpace ) { + + let intersection; + + const geometry = this.geometry; + const material = this.material; + + const index = geometry.index; + const position = geometry.attributes.position; + const uv = geometry.attributes.uv; + const uv1 = geometry.attributes.uv1; + const normal = geometry.attributes.normal; + const groups = geometry.groups; + const drawRange = geometry.drawRange; + + if ( index !== null ) { + + // indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( let i = 0, il = groups.length; i < il; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + + for ( let j = start, jl = end; j < jl; j += 3 ) { + + const a = index.getX( j ); + const b = index.getX( j + 1 ); + const c = index.getX( j + 2 ); + + intersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i += 3 ) { + + const a = index.getX( i ); + const b = index.getX( i + 1 ); + const c = index.getX( i + 2 ); + + intersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } else if ( position !== undefined ) { + + // non-indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( let i = 0, il = groups.length; i < il; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + + for ( let j = start, jl = end; j < jl; j += 3 ) { + + const a = j; + const b = j + 1; + const c = j + 2; + + intersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( position.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i += 3 ) { + + const a = i; + const b = i + 1; + const c = i + 2; + + intersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } + + } + +} + +function checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) { + + let intersect; + + if ( material.side === BackSide ) { + + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + + } else { + + intersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point ); + + } + + if ( intersect === null ) return null; + + _intersectionPointWorld.copy( point ); + _intersectionPointWorld.applyMatrix4( object.matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld ); + + if ( distance < raycaster.near || distance > raycaster.far ) return null; + + return { + distance: distance, + point: _intersectionPointWorld.clone(), + object: object + }; + +} + +function checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) { + + object.getVertexPosition( a, _vA$1 ); + object.getVertexPosition( b, _vB$1 ); + object.getVertexPosition( c, _vC$1 ); + + const intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint ); + + if ( intersection ) { + + if ( uv ) { + + _uvA$1.fromBufferAttribute( uv, a ); + _uvB$1.fromBufferAttribute( uv, b ); + _uvC$1.fromBufferAttribute( uv, c ); + + intersection.uv = Triangle.getInterpolation( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ); + + } + + if ( uv1 ) { + + _uvA$1.fromBufferAttribute( uv1, a ); + _uvB$1.fromBufferAttribute( uv1, b ); + _uvC$1.fromBufferAttribute( uv1, c ); + + intersection.uv1 = Triangle.getInterpolation( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ); + + } + + if ( normal ) { + + _normalA.fromBufferAttribute( normal, a ); + _normalB.fromBufferAttribute( normal, b ); + _normalC.fromBufferAttribute( normal, c ); + + intersection.normal = Triangle.getInterpolation( _intersectionPoint, _vA$1, _vB$1, _vC$1, _normalA, _normalB, _normalC, new Vector3() ); + + if ( intersection.normal.dot( ray.direction ) > 0 ) { + + intersection.normal.multiplyScalar( - 1 ); + + } + + } + + const face = { + a: a, + b: b, + c: c, + normal: new Vector3(), + materialIndex: 0 + }; + + Triangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal ); + + intersection.face = face; + + } + + return intersection; + +} + +class BoxGeometry extends BufferGeometry { + + constructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) { + + super(); + + this.type = 'BoxGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + const scope = this; + + // segments + + widthSegments = Math.floor( widthSegments ); + heightSegments = Math.floor( heightSegments ); + depthSegments = Math.floor( depthSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let numberOfVertices = 0; + let groupStart = 0; + + // build each side of the box geometry + + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + + const segmentWidth = width / gridX; + const segmentHeight = height / gridY; + + const widthHalf = width / 2; + const heightHalf = height / 2; + const depthHalf = depth / 2; + + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + + let vertexCounter = 0; + let groupCount = 0; + + const vector = new Vector3(); + + // generate vertices, normals and uvs + + for ( let iy = 0; iy < gridY1; iy ++ ) { + + const y = iy * segmentHeight - heightHalf; + + for ( let ix = 0; ix < gridX1; ix ++ ) { + + const x = ix * segmentWidth - widthHalf; + + // set values to correct vector component + + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; + + // now apply vector to vertex buffer + + vertices.push( vector.x, vector.y, vector.z ); + + // set values to correct vector component + + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; + + // now apply vector to normal buffer + + normals.push( vector.x, vector.y, vector.z ); + + // uvs + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + // counters + + vertexCounter += 1; + + } + + } + + // indices + + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment + + for ( let iy = 0; iy < gridY; iy ++ ) { + + for ( let ix = 0; ix < gridX; ix ++ ) { + + const a = numberOfVertices + ix + gridX1 * iy; + const b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + const c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // increase counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, materialIndex ); + + // calculate new start value for groups + + groupStart += groupCount; + + // update total number of vertices + + numberOfVertices += vertexCounter; + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments ); + + } + +} + +/** + * Uniform Utilities + */ + +function cloneUniforms( src ) { + + const dst = {}; + + for ( const u in src ) { + + dst[ u ] = {}; + + for ( const p in src[ u ] ) { + + const property = src[ u ][ p ]; + + if ( property && ( property.isColor || + property.isMatrix3 || property.isMatrix4 || + property.isVector2 || property.isVector3 || property.isVector4 || + property.isTexture || property.isQuaternion ) ) { + + if ( property.isRenderTargetTexture ) { + + console.warn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' ); + dst[ u ][ p ] = null; + + } else { + + dst[ u ][ p ] = property.clone(); + + } + + } else if ( Array.isArray( property ) ) { + + dst[ u ][ p ] = property.slice(); + + } else { + + dst[ u ][ p ] = property; + + } + + } + + } + + return dst; + +} + +function cloneUniformsGroups( src ) { + + const dst = []; + + for ( let u = 0; u < src.length; u ++ ) { + + dst.push( src[ u ].clone() ); + + } + + return dst; + +} + +var default_vertex = /* glsl */` +void main() { + gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 ); +} +`; + +var default_fragment = /* glsl */` +void main() { + gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 ); +} +`; + +class ShaderMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isShaderMaterial = true; + + this.type = 'ShaderMaterial'; + + this.defines = {}; + this.uniforms = {}; + this.uniformsGroups = []; + + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + + this.linewidth = 1; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes + + this.forceSinglePass = true; + + this.extensions = { + clipCullDistance: false, // set to use vertex shader clipping + multiDraw: false // set to use vertex shader multi_draw / enable gl_DrawID + }; + + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv1': [ 0, 0 ] + }; + + this.index0AttributeName = undefined; + this.uniformsNeedUpdate = false; + + this.glslVersion = null; + + if ( parameters !== undefined ) { + + this.setValues( parameters ); + + } + + } + + copy( source ) { + + super.copy( source ); + + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + + this.uniforms = cloneUniforms( source.uniforms ); + this.uniformsGroups = cloneUniformsGroups( source.uniformsGroups ); + + this.defines = Object.assign( {}, source.defines ); + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.fog = source.fog; + this.lights = source.lights; + this.clipping = source.clipping; + + this.extensions = Object.assign( {}, source.extensions ); + + this.glslVersion = source.glslVersion; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.glslVersion = this.glslVersion; + data.uniforms = {}; + + for ( const name in this.uniforms ) { + + const uniform = this.uniforms[ name ]; + const value = uniform.value; + + if ( value && value.isTexture ) { + + data.uniforms[ name ] = { + type: 't', + value: value.toJSON( meta ).uuid + }; + + } else if ( value && value.isColor ) { + + data.uniforms[ name ] = { + type: 'c', + value: value.getHex() + }; + + } else if ( value && value.isVector2 ) { + + data.uniforms[ name ] = { + type: 'v2', + value: value.toArray() + }; + + } else if ( value && value.isVector3 ) { + + data.uniforms[ name ] = { + type: 'v3', + value: value.toArray() + }; + + } else if ( value && value.isVector4 ) { + + data.uniforms[ name ] = { + type: 'v4', + value: value.toArray() + }; + + } else if ( value && value.isMatrix3 ) { + + data.uniforms[ name ] = { + type: 'm3', + value: value.toArray() + }; + + } else if ( value && value.isMatrix4 ) { + + data.uniforms[ name ] = { + type: 'm4', + value: value.toArray() + }; + + } else { + + data.uniforms[ name ] = { + value: value + }; + + // note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far + + } + + } + + if ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines; + + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + + data.lights = this.lights; + data.clipping = this.clipping; + + const extensions = {}; + + for ( const key in this.extensions ) { + + if ( this.extensions[ key ] === true ) extensions[ key ] = true; + + } + + if ( Object.keys( extensions ).length > 0 ) data.extensions = extensions; + + return data; + + } + +} + +class Camera extends Object3D { + + constructor() { + + super(); + + this.isCamera = true; + + this.type = 'Camera'; + + this.matrixWorldInverse = new Matrix4(); + + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + + this.coordinateSystem = WebGLCoordinateSystem; + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + + this.projectionMatrix.copy( source.projectionMatrix ); + this.projectionMatrixInverse.copy( source.projectionMatrixInverse ); + + this.coordinateSystem = source.coordinateSystem; + + return this; + + } + + getWorldDirection( target ) { + + return super.getWorldDirection( target ).negate(); + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + + } + + updateWorldMatrix( updateParents, updateChildren ) { + + super.updateWorldMatrix( updateParents, updateChildren ); + + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _v3$1 = /*@__PURE__*/ new Vector3(); +const _minTarget = /*@__PURE__*/ new Vector2(); +const _maxTarget = /*@__PURE__*/ new Vector2(); + + +class PerspectiveCamera extends Camera { + + constructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) { + + super(); + + this.isPerspectiveCamera = true; + + this.type = 'PerspectiveCamera'; + + this.fov = fov; + this.zoom = 1; + + this.near = near; + this.far = far; + this.focus = 10; + + this.aspect = aspect; + this.view = null; + + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) + + this.updateProjectionMatrix(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.fov = source.fov; + this.zoom = source.zoom; + + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + + return this; + + } + + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength( focalLength ) { + + /** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */ + const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + + this.fov = RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + + } + + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength() { + + const vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov ); + + return 0.5 * this.getFilmHeight() / vExtentSlope; + + } + + getEffectiveFOV() { + + return RAD2DEG * 2 * Math.atan( + Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom ); + + } + + getFilmWidth() { + + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); + + } + + getFilmHeight() { + + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); + + } + + /** + * Computes the 2D bounds of the camera's viewable rectangle at a given distance along the viewing direction. + * Sets minTarget and maxTarget to the coordinates of the lower-left and upper-right corners of the view rectangle. + */ + getViewBounds( distance, minTarget, maxTarget ) { + + _v3$1.set( - 1, - 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse ); + + minTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z ); + + _v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse ); + + maxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z ); + + } + + /** + * Computes the width and height of the camera's viewable rectangle at a given distance along the viewing direction. + * Copies the result into the target Vector2, where x is width and y is height. + */ + getViewSize( distance, target ) { + + this.getViewBounds( distance, _minTarget, _maxTarget ); + + return target.subVectors( _maxTarget, _minTarget ); + + } + + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * const w = 1920; + * const h = 1080; + * const fullWidth = w * 3; + * const fullHeight = h * 2; + * + * --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + + this.aspect = fullWidth / fullHeight; + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + } + + clearViewOffset() { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + } + + updateProjectionMatrix() { + + const near = this.near; + let top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom; + let height = 2 * top; + let width = this.aspect * height; + let left = - 0.5 * width; + const view = this.view; + + if ( this.view !== null && this.view.enabled ) { + + const fullWidth = view.fullWidth, + fullHeight = view.fullHeight; + + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + + } + + const skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + + this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem ); + + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.fov = this.fov; + data.object.zoom = this.zoom; + + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + + data.object.aspect = this.aspect; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + + return data; + + } + +} + +const fov = - 90; // negative fov is not an error +const aspect = 1; + +class CubeCamera extends Object3D { + + constructor( near, far, renderTarget ) { + + super(); + + this.type = 'CubeCamera'; + + this.renderTarget = renderTarget; + this.coordinateSystem = null; + this.activeMipmapLevel = 0; + + const cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.layers = this.layers; + this.add( cameraPX ); + + const cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.layers = this.layers; + this.add( cameraNX ); + + const cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.layers = this.layers; + this.add( cameraPY ); + + const cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.layers = this.layers; + this.add( cameraNY ); + + const cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.layers = this.layers; + this.add( cameraPZ ); + + const cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.layers = this.layers; + this.add( cameraNZ ); + + } + + updateCoordinateSystem() { + + const coordinateSystem = this.coordinateSystem; + + const cameras = this.children.concat(); + + const [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras; + + for ( const camera of cameras ) this.remove( camera ); + + if ( coordinateSystem === WebGLCoordinateSystem ) { + + cameraPX.up.set( 0, 1, 0 ); + cameraPX.lookAt( 1, 0, 0 ); + + cameraNX.up.set( 0, 1, 0 ); + cameraNX.lookAt( - 1, 0, 0 ); + + cameraPY.up.set( 0, 0, - 1 ); + cameraPY.lookAt( 0, 1, 0 ); + + cameraNY.up.set( 0, 0, 1 ); + cameraNY.lookAt( 0, - 1, 0 ); + + cameraPZ.up.set( 0, 1, 0 ); + cameraPZ.lookAt( 0, 0, 1 ); + + cameraNZ.up.set( 0, 1, 0 ); + cameraNZ.lookAt( 0, 0, - 1 ); + + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( - 1, 0, 0 ); + + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( 1, 0, 0 ); + + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( 0, 1, 0 ); + + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( 0, - 1, 0 ); + + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( 0, 0, 1 ); + + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( 0, 0, - 1 ); + + } else { + + throw new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem ); + + } + + for ( const camera of cameras ) { + + this.add( camera ); + + camera.updateMatrixWorld(); + + } + + } + + update( renderer, scene ) { + + if ( this.parent === null ) this.updateMatrixWorld(); + + const { renderTarget, activeMipmapLevel } = this; + + if ( this.coordinateSystem !== renderer.coordinateSystem ) { + + this.coordinateSystem = renderer.coordinateSystem; + + this.updateCoordinateSystem(); + + } + + const [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children; + + const currentRenderTarget = renderer.getRenderTarget(); + const currentActiveCubeFace = renderer.getActiveCubeFace(); + const currentActiveMipmapLevel = renderer.getActiveMipmapLevel(); + + const currentXrEnabled = renderer.xr.enabled; + + renderer.xr.enabled = false; + + const generateMipmaps = renderTarget.texture.generateMipmaps; + + renderTarget.texture.generateMipmaps = false; + + renderer.setRenderTarget( renderTarget, 0, activeMipmapLevel ); + renderer.render( scene, cameraPX ); + + renderer.setRenderTarget( renderTarget, 1, activeMipmapLevel ); + renderer.render( scene, cameraNX ); + + renderer.setRenderTarget( renderTarget, 2, activeMipmapLevel ); + renderer.render( scene, cameraPY ); + + renderer.setRenderTarget( renderTarget, 3, activeMipmapLevel ); + renderer.render( scene, cameraNY ); + + renderer.setRenderTarget( renderTarget, 4, activeMipmapLevel ); + renderer.render( scene, cameraPZ ); + + // mipmaps are generated during the last call of render() + // at this point, all sides of the cube render target are defined + + renderTarget.texture.generateMipmaps = generateMipmaps; + + renderer.setRenderTarget( renderTarget, 5, activeMipmapLevel ); + renderer.render( scene, cameraNZ ); + + renderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel ); + + renderer.xr.enabled = currentXrEnabled; + + renderTarget.texture.needsPMREMUpdate = true; + + } + +} + +class CubeTexture extends Texture { + + constructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) { + + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + + super( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + + this.isCubeTexture = true; + + this.flipY = false; + + } + + get images() { + + return this.image; + + } + + set images( value ) { + + this.image = value; + + } + +} + +class WebGLCubeRenderTarget extends WebGLRenderTarget { + + constructor( size = 1, options = {} ) { + + super( size, size, options ); + + this.isWebGLCubeRenderTarget = true; + + const image = { width: size, height: size, depth: 1 }; + const images = [ image, image, image, image, image, image ]; + + this.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.colorSpace ); + + // By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js) + // in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words, + // in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly. + + // three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped + // and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture + // as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures). + + this.texture.isRenderTargetTexture = true; + + this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; + this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; + + } + + fromEquirectangularTexture( renderer, texture ) { + + this.texture.type = texture.type; + this.texture.colorSpace = texture.colorSpace; + + this.texture.generateMipmaps = texture.generateMipmaps; + this.texture.minFilter = texture.minFilter; + this.texture.magFilter = texture.magFilter; + + const shader = { + + uniforms: { + tEquirect: { value: null }, + }, + + vertexShader: /* glsl */` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + `, + + fragmentShader: /* glsl */` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + ` + }; + + const geometry = new BoxGeometry( 5, 5, 5 ); + + const material = new ShaderMaterial( { + + name: 'CubemapFromEquirect', + + uniforms: cloneUniforms( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + + } ); + + material.uniforms.tEquirect.value = texture; + + const mesh = new Mesh( geometry, material ); + + const currentMinFilter = texture.minFilter; + + // Avoid blurred poles + if ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter; + + const camera = new CubeCamera( 1, 10, this ); + camera.update( renderer, mesh ); + + texture.minFilter = currentMinFilter; + + mesh.geometry.dispose(); + mesh.material.dispose(); + + return this; + + } + + clear( renderer, color, depth, stencil ) { + + const currentRenderTarget = renderer.getRenderTarget(); + + for ( let i = 0; i < 6; i ++ ) { + + renderer.setRenderTarget( this, i ); + + renderer.clear( color, depth, stencil ); + + } + + renderer.setRenderTarget( currentRenderTarget ); + + } + +} + +class FogExp2 { + + constructor( color, density = 0.00025 ) { + + this.isFogExp2 = true; + + this.name = ''; + + this.color = new Color( color ); + this.density = density; + + } + + clone() { + + return new FogExp2( this.color, this.density ); + + } + + toJSON( /* meta */ ) { + + return { + type: 'FogExp2', + name: this.name, + color: this.color.getHex(), + density: this.density + }; + + } + +} + +class Fog { + + constructor( color, near = 1, far = 1000 ) { + + this.isFog = true; + + this.name = ''; + + this.color = new Color( color ); + + this.near = near; + this.far = far; + + } + + clone() { + + return new Fog( this.color, this.near, this.far ); + + } + + toJSON( /* meta */ ) { + + return { + type: 'Fog', + name: this.name, + color: this.color.getHex(), + near: this.near, + far: this.far + }; + + } + +} + +class Scene extends Object3D { + + constructor() { + + super(); + + this.isScene = true; + + this.type = 'Scene'; + + this.background = null; + this.environment = null; + this.fog = null; + + this.backgroundBlurriness = 0; + this.backgroundIntensity = 1; + this.backgroundRotation = new Euler(); + + this.environmentIntensity = 1; + this.environmentRotation = new Euler(); + + this.overrideMaterial = null; + + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); + + } + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.environment !== null ) this.environment = source.environment.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + + this.backgroundBlurriness = source.backgroundBlurriness; + this.backgroundIntensity = source.backgroundIntensity; + this.backgroundRotation.copy( source.backgroundRotation ); + + this.environmentIntensity = source.environmentIntensity; + this.environmentRotation.copy( source.environmentRotation ); + + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + + this.matrixAutoUpdate = source.matrixAutoUpdate; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + + if ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness; + if ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity; + data.object.backgroundRotation = this.backgroundRotation.toArray(); + + if ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity; + data.object.environmentRotation = this.environmentRotation.toArray(); + + return data; + + } + +} + +class InterleavedBuffer { + + constructor( array, stride ) { + + this.isInterleavedBuffer = true; + + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; + + this.usage = StaticDrawUsage; + this._updateRange = { offset: 0, count: - 1 }; + this.updateRanges = []; + + this.version = 0; + + this.uuid = generateUUID(); + + } + + onUploadCallback() {} + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + get updateRange() { + + warnOnce( 'THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead.' ); // @deprecated, r159 + return this._updateRange; + + } + + setUsage( value ) { + + this.usage = value; + + return this; + + } + + addUpdateRange( start, count ) { + + this.updateRanges.push( { start, count } ); + + } + + clearUpdateRanges() { + + this.updateRanges.length = 0; + + } + + copy( source ) { + + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + + return this; + + } + + copyAt( index1, attribute, index2 ) { + + index1 *= this.stride; + index2 *= attribute.stride; + + for ( let i = 0, l = this.stride; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + } + + set( value, offset = 0 ) { + + this.array.set( value, offset ); + + return this; + + } + + clone( data ) { + + if ( data.arrayBuffers === undefined ) { + + data.arrayBuffers = {}; + + } + + if ( this.array.buffer._uuid === undefined ) { + + this.array.buffer._uuid = generateUUID(); + + } + + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + + data.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer; + + } + + const array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] ); + + const ib = new this.constructor( array, this.stride ); + ib.setUsage( this.usage ); + + return ib; + + } + + onUpload( callback ) { + + this.onUploadCallback = callback; + + return this; + + } + + toJSON( data ) { + + if ( data.arrayBuffers === undefined ) { + + data.arrayBuffers = {}; + + } + + // generate UUID for array buffer if necessary + + if ( this.array.buffer._uuid === undefined ) { + + this.array.buffer._uuid = generateUUID(); + + } + + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + + data.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) ); + + } + + // + + return { + uuid: this.uuid, + buffer: this.array.buffer._uuid, + type: this.array.constructor.name, + stride: this.stride + }; + + } + +} + +const _vector$7 = /*@__PURE__*/ new Vector3(); + +class InterleavedBufferAttribute { + + constructor( interleavedBuffer, itemSize, offset, normalized = false ) { + + this.isInterleavedBufferAttribute = true; + + this.name = ''; + + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + + this.normalized = normalized; + + } + + get count() { + + return this.data.count; + + } + + get array() { + + return this.data.array; + + } + + set needsUpdate( value ) { + + this.data.needsUpdate = value; + + } + + applyMatrix4( m ) { + + for ( let i = 0, l = this.data.count; i < l; i ++ ) { + + _vector$7.fromBufferAttribute( this, i ); + + _vector$7.applyMatrix4( m ); + + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + + } + + return this; + + } + + applyNormalMatrix( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$7.fromBufferAttribute( this, i ); + + _vector$7.applyNormalMatrix( m ); + + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + + } + + return this; + + } + + transformDirection( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$7.fromBufferAttribute( this, i ); + + _vector$7.transformDirection( m ); + + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + + } + + return this; + + } + + getComponent( index, component ) { + + let value = this.array[ index * this.data.stride + this.offset + component ]; + + if ( this.normalized ) value = denormalize( value, this.array ); + + return value; + + } + + setComponent( index, component, value ) { + + if ( this.normalized ) value = normalize$1( value, this.array ); + + this.data.array[ index * this.data.stride + this.offset + component ] = value; + + return this; + + } + + setX( index, x ) { + + if ( this.normalized ) x = normalize$1( x, this.array ); + + this.data.array[ index * this.data.stride + this.offset ] = x; + + return this; + + } + + setY( index, y ) { + + if ( this.normalized ) y = normalize$1( y, this.array ); + + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + + return this; + + } + + setZ( index, z ) { + + if ( this.normalized ) z = normalize$1( z, this.array ); + + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + + return this; + + } + + setW( index, w ) { + + if ( this.normalized ) w = normalize$1( w, this.array ); + + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + + return this; + + } + + getX( index ) { + + let x = this.data.array[ index * this.data.stride + this.offset ]; + + if ( this.normalized ) x = denormalize( x, this.array ); + + return x; + + } + + getY( index ) { + + let y = this.data.array[ index * this.data.stride + this.offset + 1 ]; + + if ( this.normalized ) y = denormalize( y, this.array ); + + return y; + + } + + getZ( index ) { + + let z = this.data.array[ index * this.data.stride + this.offset + 2 ]; + + if ( this.normalized ) z = denormalize( z, this.array ); + + return z; + + } + + getW( index ) { + + let w = this.data.array[ index * this.data.stride + this.offset + 3 ]; + + if ( this.normalized ) w = denormalize( w, this.array ); + + return w; + + } + + setXY( index, x, y ) { + + index = index * this.data.stride + this.offset; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + + } + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + + return this; + + } + + setXYZ( index, x, y, z ) { + + index = index * this.data.stride + this.offset; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + + } + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + + return this; + + } + + setXYZW( index, x, y, z, w ) { + + index = index * this.data.stride + this.offset; + + if ( this.normalized ) { + + x = normalize$1( x, this.array ); + y = normalize$1( y, this.array ); + z = normalize$1( z, this.array ); + w = normalize$1( w, this.array ); + + } + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; + + return this; + + } + + clone( data ) { + + if ( data === undefined ) { + + console.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' ); + + const array = []; + + for ( let i = 0; i < this.count; i ++ ) { + + const index = i * this.data.stride + this.offset; + + for ( let j = 0; j < this.itemSize; j ++ ) { + + array.push( this.data.array[ index + j ] ); + + } + + } + + return new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized ); + + } else { + + if ( data.interleavedBuffers === undefined ) { + + data.interleavedBuffers = {}; + + } + + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + + data.interleavedBuffers[ this.data.uuid ] = this.data.clone( data ); + + } + + return new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized ); + + } + + } + + toJSON( data ) { + + if ( data === undefined ) { + + console.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' ); + + const array = []; + + for ( let i = 0; i < this.count; i ++ ) { + + const index = i * this.data.stride + this.offset; + + for ( let j = 0; j < this.itemSize; j ++ ) { + + array.push( this.data.array[ index + j ] ); + + } + + } + + // de-interleave data and save it as an ordinary buffer attribute for now + + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: array, + normalized: this.normalized + }; + + } else { + + // save as true interleaved attribute + + if ( data.interleavedBuffers === undefined ) { + + data.interleavedBuffers = {}; + + } + + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + + data.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data ); + + } + + return { + isInterleavedBufferAttribute: true, + itemSize: this.itemSize, + data: this.data.uuid, + offset: this.offset, + normalized: this.normalized + }; + + } + + } + +} + +class SpriteMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isSpriteMaterial = true; + + this.type = 'SpriteMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.rotation = 0; + + this.sizeAttenuation = true; + + this.transparent = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.rotation = source.rotation; + + this.sizeAttenuation = source.sizeAttenuation; + + this.fog = source.fog; + + return this; + + } + +} + +let _geometry$1; + +const _intersectPoint = /*@__PURE__*/ new Vector3(); +const _worldScale = /*@__PURE__*/ new Vector3(); +const _mvPosition = /*@__PURE__*/ new Vector3(); + +const _alignedPosition = /*@__PURE__*/ new Vector2(); +const _rotatedPosition = /*@__PURE__*/ new Vector2(); +const _viewWorldMatrix = /*@__PURE__*/ new Matrix4(); + +const _vA = /*@__PURE__*/ new Vector3(); +const _vB = /*@__PURE__*/ new Vector3(); +const _vC = /*@__PURE__*/ new Vector3(); + +const _uvA = /*@__PURE__*/ new Vector2(); +const _uvB = /*@__PURE__*/ new Vector2(); +const _uvC = /*@__PURE__*/ new Vector2(); + +class Sprite extends Object3D { + + constructor( material = new SpriteMaterial() ) { + + super(); + + this.isSprite = true; + + this.type = 'Sprite'; + + if ( _geometry$1 === undefined ) { + + _geometry$1 = new BufferGeometry(); + + const float32Array = new Float32Array( [ + - 0.5, - 0.5, 0, 0, 0, + 0.5, - 0.5, 0, 1, 0, + 0.5, 0.5, 0, 1, 1, + - 0.5, 0.5, 0, 0, 1 + ] ); + + const interleavedBuffer = new InterleavedBuffer( float32Array, 5 ); + + _geometry$1.setIndex( [ 0, 1, 2, 0, 2, 3 ] ); + _geometry$1.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) ); + _geometry$1.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) ); + + } + + this.geometry = _geometry$1; + this.material = material; + + this.center = new Vector2( 0.5, 0.5 ); + + } + + raycast( raycaster, intersects ) { + + if ( raycaster.camera === null ) { + + console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' ); + + } + + _worldScale.setFromMatrixScale( this.matrixWorld ); + + _viewWorldMatrix.copy( raycaster.camera.matrixWorld ); + this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld ); + + _mvPosition.setFromMatrixPosition( this.modelViewMatrix ); + + if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) { + + _worldScale.multiplyScalar( - _mvPosition.z ); + + } + + const rotation = this.material.rotation; + let sin, cos; + + if ( rotation !== 0 ) { + + cos = Math.cos( rotation ); + sin = Math.sin( rotation ); + + } + + const center = this.center; + + transformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + + _uvA.set( 0, 0 ); + _uvB.set( 1, 0 ); + _uvC.set( 1, 1 ); + + // check first triangle + let intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint ); + + if ( intersect === null ) { + + // check second triangle + transformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + _uvB.set( 0, 1 ); + + intersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint ); + if ( intersect === null ) { + + return; + + } + + } + + const distance = raycaster.ray.origin.distanceTo( _intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + point: _intersectPoint.clone(), + uv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ), + face: null, + object: this + + } ); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.center !== undefined ) this.center.copy( source.center ); + + this.material = source.material; + + return this; + + } + +} + +function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) { + + // compute position in camera space + _alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale ); + + // to check if rotation is not zero + if ( sin !== undefined ) { + + _rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y ); + _rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y ); + + } else { + + _rotatedPosition.copy( _alignedPosition ); + + } + + + vertexPosition.copy( mvPosition ); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + + // transform to world space + vertexPosition.applyMatrix4( _viewWorldMatrix ); + +} + +const _v1$2 = /*@__PURE__*/ new Vector3(); +const _v2$1 = /*@__PURE__*/ new Vector3(); + +class LOD extends Object3D { + + constructor() { + + super(); + + this._currentLevel = 0; + + this.type = 'LOD'; + + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + }, + isLOD: { + value: true, + } + } ); + + this.autoUpdate = true; + + } + + copy( source ) { + + super.copy( source, false ); + + const levels = source.levels; + + for ( let i = 0, l = levels.length; i < l; i ++ ) { + + const level = levels[ i ]; + + this.addLevel( level.object.clone(), level.distance, level.hysteresis ); + + } + + this.autoUpdate = source.autoUpdate; + + return this; + + } + + addLevel( object, distance = 0, hysteresis = 0 ) { + + distance = Math.abs( distance ); + + const levels = this.levels; + + let l; + + for ( l = 0; l < levels.length; l ++ ) { + + if ( distance < levels[ l ].distance ) { + + break; + + } + + } + + levels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } ); + + this.add( object ); + + return this; + + } + + getCurrentLevel() { + + return this._currentLevel; + + } + + + + getObjectForDistance( distance ) { + + const levels = this.levels; + + if ( levels.length > 0 ) { + + let i, l; + + for ( i = 1, l = levels.length; i < l; i ++ ) { + + let levelDistance = levels[ i ].distance; + + if ( levels[ i ].object.visible ) { + + levelDistance -= levelDistance * levels[ i ].hysteresis; + + } + + if ( distance < levelDistance ) { + + break; + + } + + } + + return levels[ i - 1 ].object; + + } + + return null; + + } + + raycast( raycaster, intersects ) { + + const levels = this.levels; + + if ( levels.length > 0 ) { + + _v1$2.setFromMatrixPosition( this.matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( _v1$2 ); + + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + + } + + } + + update( camera ) { + + const levels = this.levels; + + if ( levels.length > 1 ) { + + _v1$2.setFromMatrixPosition( camera.matrixWorld ); + _v2$1.setFromMatrixPosition( this.matrixWorld ); + + const distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom; + + levels[ 0 ].object.visible = true; + + let i, l; + + for ( i = 1, l = levels.length; i < l; i ++ ) { + + let levelDistance = levels[ i ].distance; + + if ( levels[ i ].object.visible ) { + + levelDistance -= levelDistance * levels[ i ].hysteresis; + + } + + if ( distance >= levelDistance ) { + + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; + + } else { + + break; + + } + + } + + this._currentLevel = i - 1; + + for ( ; i < l; i ++ ) { + + levels[ i ].object.visible = false; + + } + + } + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + if ( this.autoUpdate === false ) data.object.autoUpdate = false; + + data.object.levels = []; + + const levels = this.levels; + + for ( let i = 0, l = levels.length; i < l; i ++ ) { + + const level = levels[ i ]; + + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance, + hysteresis: level.hysteresis + } ); + + } + + return data; + + } + +} + +const _basePosition = /*@__PURE__*/ new Vector3(); + +const _skinIndex = /*@__PURE__*/ new Vector4(); +const _skinWeight = /*@__PURE__*/ new Vector4(); + +const _vector3$1 = /*@__PURE__*/ new Vector3(); +const _matrix4 = /*@__PURE__*/ new Matrix4(); +const _vertex = /*@__PURE__*/ new Vector3(); + +const _sphere$5 = /*@__PURE__*/ new Sphere(); +const _inverseMatrix$2 = /*@__PURE__*/ new Matrix4(); +const _ray$2 = /*@__PURE__*/ new Ray(); + +class SkinnedMesh extends Mesh { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isSkinnedMesh = true; + + this.type = 'SkinnedMesh'; + + this.bindMode = AttachedBindMode; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + + this.boundingBox = null; + this.boundingSphere = null; + + } + + computeBoundingBox() { + + const geometry = this.geometry; + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + this.boundingBox.makeEmpty(); + + const positionAttribute = geometry.getAttribute( 'position' ); + + for ( let i = 0; i < positionAttribute.count; i ++ ) { + + this.getVertexPosition( i, _vertex ); + this.boundingBox.expandByPoint( _vertex ); + + } + + } + + computeBoundingSphere() { + + const geometry = this.geometry; + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + this.boundingSphere.makeEmpty(); + + const positionAttribute = geometry.getAttribute( 'position' ); + + for ( let i = 0; i < positionAttribute.count; i ++ ) { + + this.getVertexPosition( i, _vertex ); + this.boundingSphere.expandByPoint( _vertex ); + + } + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.bindMode = source.bindMode; + this.bindMatrix.copy( source.bindMatrix ); + this.bindMatrixInverse.copy( source.bindMatrixInverse ); + + this.skeleton = source.skeleton; + + if ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone(); + if ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone(); + + return this; + + } + + raycast( raycaster, intersects ) { + + const material = this.material; + const matrixWorld = this.matrixWorld; + + if ( material === undefined ) return; + + // test with bounding sphere in world space + + if ( this.boundingSphere === null ) this.computeBoundingSphere(); + + _sphere$5.copy( this.boundingSphere ); + _sphere$5.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return; + + // convert ray to local space of skinned mesh + + _inverseMatrix$2.copy( matrixWorld ).invert(); + _ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 ); + + // test with bounding box in local space + + if ( this.boundingBox !== null ) { + + if ( _ray$2.intersectsBox( this.boundingBox ) === false ) return; + + } + + // test for intersections with geometry + + this._computeIntersections( raycaster, intersects, _ray$2 ); + + } + + getVertexPosition( index, target ) { + + super.getVertexPosition( index, target ); + + this.applyBoneTransform( index, target ); + + return target; + + } + + bind( skeleton, bindMatrix ) { + + this.skeleton = skeleton; + + if ( bindMatrix === undefined ) { + + this.updateMatrixWorld( true ); + + this.skeleton.calculateInverses(); + + bindMatrix = this.matrixWorld; + + } + + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.copy( bindMatrix ).invert(); + + } + + pose() { + + this.skeleton.pose(); + + } + + normalizeSkinWeights() { + + const vector = new Vector4(); + + const skinWeight = this.geometry.attributes.skinWeight; + + for ( let i = 0, l = skinWeight.count; i < l; i ++ ) { + + vector.fromBufferAttribute( skinWeight, i ); + + const scale = 1.0 / vector.manhattanLength(); + + if ( scale !== Infinity ) { + + vector.multiplyScalar( scale ); + + } else { + + vector.set( 1, 0, 0, 0 ); // do something reasonable + + } + + skinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w ); + + } + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + if ( this.bindMode === AttachedBindMode ) { + + this.bindMatrixInverse.copy( this.matrixWorld ).invert(); + + } else if ( this.bindMode === DetachedBindMode ) { + + this.bindMatrixInverse.copy( this.bindMatrix ).invert(); + + } else { + + console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode ); + + } + + } + + applyBoneTransform( index, vector ) { + + const skeleton = this.skeleton; + const geometry = this.geometry; + + _skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index ); + _skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index ); + + _basePosition.copy( vector ).applyMatrix4( this.bindMatrix ); + + vector.set( 0, 0, 0 ); + + for ( let i = 0; i < 4; i ++ ) { + + const weight = _skinWeight.getComponent( i ); + + if ( weight !== 0 ) { + + const boneIndex = _skinIndex.getComponent( i ); + + _matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] ); + + vector.addScaledVector( _vector3$1.copy( _basePosition ).applyMatrix4( _matrix4 ), weight ); + + } + + } + + return vector.applyMatrix4( this.bindMatrixInverse ); + + } + +} + +class Bone extends Object3D { + + constructor() { + + super(); + + this.isBone = true; + + this.type = 'Bone'; + + } + +} + +class DataTexture extends Texture { + + constructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) { + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + + this.isDataTexture = true; + + this.image = { data: data, width: width, height: height }; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + +} + +const _offsetMatrix = /*@__PURE__*/ new Matrix4(); +const _identityMatrix$1 = /*@__PURE__*/ new Matrix4(); + +class Skeleton { + + constructor( bones = [], boneInverses = [] ) { + + this.uuid = generateUUID(); + + this.bones = bones.slice( 0 ); + this.boneInverses = boneInverses; + this.boneMatrices = null; + + this.boneTexture = null; + + this.init(); + + } + + init() { + + const bones = this.bones; + const boneInverses = this.boneInverses; + + this.boneMatrices = new Float32Array( bones.length * 16 ); + + // calculate inverse bone matrices if necessary + + if ( boneInverses.length === 0 ) { + + this.calculateInverses(); + + } else { + + // handle special case + + if ( bones.length !== boneInverses.length ) { + + console.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' ); + + this.boneInverses = []; + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + this.boneInverses.push( new Matrix4() ); + + } + + } + + } + + } + + calculateInverses() { + + this.boneInverses.length = 0; + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const inverse = new Matrix4(); + + if ( this.bones[ i ] ) { + + inverse.copy( this.bones[ i ].matrixWorld ).invert(); + + } + + this.boneInverses.push( inverse ); + + } + + } + + pose() { + + // recover the bind-time world matrices + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone ) { + + bone.matrixWorld.copy( this.boneInverses[ i ] ).invert(); + + } + + } + + // compute the local matrices, positions, rotations and scales + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone ) { + + if ( bone.parent && bone.parent.isBone ) { + + bone.matrix.copy( bone.parent.matrixWorld ).invert(); + bone.matrix.multiply( bone.matrixWorld ); + + } else { + + bone.matrix.copy( bone.matrixWorld ); + + } + + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + + } + + } + + } + + update() { + + const bones = this.bones; + const boneInverses = this.boneInverses; + const boneMatrices = this.boneMatrices; + const boneTexture = this.boneTexture; + + // flatten bone matrices to array + + for ( let i = 0, il = bones.length; i < il; i ++ ) { + + // compute the offset between the current and the original transform + + const matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix$1; + + _offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] ); + _offsetMatrix.toArray( boneMatrices, i * 16 ); + + } + + if ( boneTexture !== null ) { + + boneTexture.needsUpdate = true; + + } + + } + + clone() { + + return new Skeleton( this.bones, this.boneInverses ); + + } + + computeBoneTexture() { + + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + + let size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix + size = Math.ceil( size / 4 ) * 4; + size = Math.max( size, 4 ); + + const boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel + boneMatrices.set( this.boneMatrices ); // copy current values + + const boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType ); + boneTexture.needsUpdate = true; + + this.boneMatrices = boneMatrices; + this.boneTexture = boneTexture; + + return this; + + } + + getBoneByName( name ) { + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone.name === name ) { + + return bone; + + } + + } + + return undefined; + + } + + dispose( ) { + + if ( this.boneTexture !== null ) { + + this.boneTexture.dispose(); + + this.boneTexture = null; + + } + + } + + fromJSON( json, bones ) { + + this.uuid = json.uuid; + + for ( let i = 0, l = json.bones.length; i < l; i ++ ) { + + const uuid = json.bones[ i ]; + let bone = bones[ uuid ]; + + if ( bone === undefined ) { + + console.warn( 'THREE.Skeleton: No bone found with UUID:', uuid ); + bone = new Bone(); + + } + + this.bones.push( bone ); + this.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) ); + + } + + this.init(); + + return this; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.6, + type: 'Skeleton', + generator: 'Skeleton.toJSON' + }, + bones: [], + boneInverses: [] + }; + + data.uuid = this.uuid; + + const bones = this.bones; + const boneInverses = this.boneInverses; + + for ( let i = 0, l = bones.length; i < l; i ++ ) { + + const bone = bones[ i ]; + data.bones.push( bone.uuid ); + + const boneInverse = boneInverses[ i ]; + data.boneInverses.push( boneInverse.toArray() ); + + } + + return data; + + } + +} + +class InstancedBufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized, meshPerAttribute = 1 ) { + + super( array, itemSize, normalized ); + + this.isInstancedBufferAttribute = true; + + this.meshPerAttribute = meshPerAttribute; + + } + + copy( source ) { + + super.copy( source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.meshPerAttribute = this.meshPerAttribute; + + data.isInstancedBufferAttribute = true; + + return data; + + } + +} + +const _instanceLocalMatrix = /*@__PURE__*/ new Matrix4(); +const _instanceWorldMatrix = /*@__PURE__*/ new Matrix4(); + +const _instanceIntersects = []; + +const _box3 = /*@__PURE__*/ new Box3(); +const _identity = /*@__PURE__*/ new Matrix4(); +const _mesh$1 = /*@__PURE__*/ new Mesh(); +const _sphere$4 = /*@__PURE__*/ new Sphere(); + +class InstancedMesh extends Mesh { + + constructor( geometry, material, count ) { + + super( geometry, material ); + + this.isInstancedMesh = true; + + this.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 ); + this.instanceColor = null; + this.morphTexture = null; + + this.count = count; + + this.boundingBox = null; + this.boundingSphere = null; + + for ( let i = 0; i < count; i ++ ) { + + this.setMatrixAt( i, _identity ); + + } + + } + + computeBoundingBox() { + + const geometry = this.geometry; + const count = this.count; + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + this.boundingBox.makeEmpty(); + + for ( let i = 0; i < count; i ++ ) { + + this.getMatrixAt( i, _instanceLocalMatrix ); + + _box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix ); + + this.boundingBox.union( _box3 ); + + } + + } + + computeBoundingSphere() { + + const geometry = this.geometry; + const count = this.count; + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + if ( geometry.boundingSphere === null ) { + + geometry.computeBoundingSphere(); + + } + + this.boundingSphere.makeEmpty(); + + for ( let i = 0; i < count; i ++ ) { + + this.getMatrixAt( i, _instanceLocalMatrix ); + + _sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix ); + + this.boundingSphere.union( _sphere$4 ); + + } + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.instanceMatrix.copy( source.instanceMatrix ); + + if ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone(); + if ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone(); + + this.count = source.count; + + if ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone(); + if ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone(); + + return this; + + } + + getColorAt( index, color ) { + + color.fromArray( this.instanceColor.array, index * 3 ); + + } + + getMatrixAt( index, matrix ) { + + matrix.fromArray( this.instanceMatrix.array, index * 16 ); + + } + + getMorphAt( index, object ) { + + const objectInfluences = object.morphTargetInfluences; + + const array = this.morphTexture.source.data.data; + + const len = objectInfluences.length + 1; // All influences + the baseInfluenceSum + + const dataIndex = index * len + 1; // Skip the baseInfluenceSum at the beginning + + for ( let i = 0; i < objectInfluences.length; i ++ ) { + + objectInfluences[ i ] = array[ dataIndex + i ]; + + } + + } + + raycast( raycaster, intersects ) { + + const matrixWorld = this.matrixWorld; + const raycastTimes = this.count; + + _mesh$1.geometry = this.geometry; + _mesh$1.material = this.material; + + if ( _mesh$1.material === undefined ) return; + + // test with bounding sphere first + + if ( this.boundingSphere === null ) this.computeBoundingSphere(); + + _sphere$4.copy( this.boundingSphere ); + _sphere$4.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return; + + // now test each instance + + for ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) { + + // calculate the world matrix for each instance + + this.getMatrixAt( instanceId, _instanceLocalMatrix ); + + _instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix ); + + // the mesh represents this single instance + + _mesh$1.matrixWorld = _instanceWorldMatrix; + + _mesh$1.raycast( raycaster, _instanceIntersects ); + + // process the result of raycast + + for ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) { + + const intersect = _instanceIntersects[ i ]; + intersect.instanceId = instanceId; + intersect.object = this; + intersects.push( intersect ); + + } + + _instanceIntersects.length = 0; + + } + + } + + setColorAt( index, color ) { + + if ( this.instanceColor === null ) { + + this.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 ); + + } + + color.toArray( this.instanceColor.array, index * 3 ); + + } + + setMatrixAt( index, matrix ) { + + matrix.toArray( this.instanceMatrix.array, index * 16 ); + + } + + setMorphAt( index, object ) { + + const objectInfluences = object.morphTargetInfluences; + + const len = objectInfluences.length + 1; // morphBaseInfluence + all influences + + if ( this.morphTexture === null ) { + + this.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType ); + + } + + const array = this.morphTexture.source.data.data; + + let morphInfluencesSum = 0; + + for ( let i = 0; i < objectInfluences.length; i ++ ) { + + morphInfluencesSum += objectInfluences[ i ]; + + } + + const morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + + const dataIndex = len * index; + + array[ dataIndex ] = morphBaseInfluence; + + array.set( objectInfluences, dataIndex + 1 ); + + } + + updateMorphTargets() { + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + if ( this.morphTexture !== null ) { + + this.morphTexture.dispose(); + this.morphTexture = null; + + } + + return this; + + } + +} + +const _vector1 = /*@__PURE__*/ new Vector3(); +const _vector2 = /*@__PURE__*/ new Vector3(); +const _normalMatrix = /*@__PURE__*/ new Matrix3(); + +class Plane { + + constructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) { + + this.isPlane = true; + + // normal is assumed to be normalized + + this.normal = normal; + this.constant = constant; + + } + + set( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; + + return this; + + } + + setComponents( x, y, z, w ) { + + this.normal.set( x, y, z ); + this.constant = w; + + return this; + + } + + setFromNormalAndCoplanarPoint( normal, point ) { + + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); + + return this; + + } + + setFromCoplanarPoints( a, b, c ) { + + const normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize(); + + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; + + } + + copy( plane ) { + + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; + + } + + normalize() { + + // Note: will lead to a divide by zero if the plane is invalid. + + const inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; + + } + + negate() { + + this.constant *= - 1; + this.normal.negate(); + + return this; + + } + + distanceToPoint( point ) { + + return this.normal.dot( point ) + this.constant; + + } + + distanceToSphere( sphere ) { + + return this.distanceToPoint( sphere.center ) - sphere.radius; + + } + + projectPoint( point, target ) { + + return target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) ); + + } + + intersectLine( line, target ) { + + const direction = line.delta( _vector1 ); + + const denominator = this.normal.dot( direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { + + return target.copy( line.start ); + + } + + // Unsure if this is the correct method to handle this case. + return null; + + } + + const t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + + if ( t < 0 || t > 1 ) { + + return null; + + } + + return target.copy( line.start ).addScaledVector( direction, t ); + + } + + intersectsLine( line ) { + + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + + const startSign = this.distanceToPoint( line.start ); + const endSign = this.distanceToPoint( line.end ); + + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + + } + + intersectsBox( box ) { + + return box.intersectsPlane( this ); + + } + + intersectsSphere( sphere ) { + + return sphere.intersectsPlane( this ); + + } + + coplanarPoint( target ) { + + return target.copy( this.normal ).multiplyScalar( - this.constant ); + + } + + applyMatrix4( matrix, optionalNormalMatrix ) { + + const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix ); + + const referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix ); + + const normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + + this.constant = - referencePoint.dot( normal ); + + return this; + + } + + translate( offset ) { + + this.constant -= offset.dot( this.normal ); + + return this; + + } + + equals( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _sphere$3 = /*@__PURE__*/ new Sphere(); +const _vector$6 = /*@__PURE__*/ new Vector3(); + +class Frustum { + + constructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) { + + this.planes = [ p0, p1, p2, p3, p4, p5 ]; + + } + + set( p0, p1, p2, p3, p4, p5 ) { + + const planes = this.planes; + + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); + + return this; + + } + + copy( frustum ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + planes[ i ].copy( frustum.planes[ i ] ); + + } + + return this; + + } + + setFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem ) { + + const planes = this.planes; + const me = m.elements; + const me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + const me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + const me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + const me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + + if ( coordinateSystem === WebGLCoordinateSystem ) { + + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + + planes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize(); + + } else { + + throw new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem ); + + } + + return this; + + } + + intersectsObject( object ) { + + if ( object.boundingSphere !== undefined ) { + + if ( object.boundingSphere === null ) object.computeBoundingSphere(); + + _sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld ); + + } else { + + const geometry = object.geometry; + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld ); + + } + + return this.intersectsSphere( _sphere$3 ); + + } + + intersectsSprite( sprite ) { + + _sphere$3.center.set( 0, 0, 0 ); + _sphere$3.radius = 0.7071067811865476; + _sphere$3.applyMatrix4( sprite.matrixWorld ); + + return this.intersectsSphere( _sphere$3 ); + + } + + intersectsSphere( sphere ) { + + const planes = this.planes; + const center = sphere.center; + const negRadius = - sphere.radius; + + for ( let i = 0; i < 6; i ++ ) { + + const distance = planes[ i ].distanceToPoint( center ); + + if ( distance < negRadius ) { + + return false; + + } + + } + + return true; + + } + + intersectsBox( box ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + const plane = planes[ i ]; + + // corner at max distance + + _vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z; + + if ( plane.distanceToPoint( _vector$6 ) < 0 ) { + + return false; + + } + + } + + return true; + + } + + containsPoint( point ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + if ( planes[ i ].distanceToPoint( point ) < 0 ) { + + return false; + + } + + } + + return true; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +function sortOpaque( a, b ) { + + return a.z - b.z; + +} + +function sortTransparent( a, b ) { + + return b.z - a.z; + +} + +class MultiDrawRenderList { + + constructor() { + + this.index = 0; + this.pool = []; + this.list = []; + + } + + push( drawRange, z, index ) { + + const pool = this.pool; + const list = this.list; + if ( this.index >= pool.length ) { + + pool.push( { + + start: - 1, + count: - 1, + z: - 1, + index: - 1, + + } ); + + } + + const item = pool[ this.index ]; + list.push( item ); + this.index ++; + + item.start = drawRange.start; + item.count = drawRange.count; + item.z = z; + item.index = index; + + } + + reset() { + + this.list.length = 0; + this.index = 0; + + } + +} + +const _matrix$1 = /*@__PURE__*/ new Matrix4(); +const _invMatrixWorld = /*@__PURE__*/ new Matrix4(); +const _identityMatrix = /*@__PURE__*/ new Matrix4(); +const _whiteColor = /*@__PURE__*/ new Color( 1, 1, 1 ); +const _projScreenMatrix$3 = /*@__PURE__*/ new Matrix4(); +const _frustum$1 = /*@__PURE__*/ new Frustum(); +const _box$1 = /*@__PURE__*/ new Box3(); +const _sphere$2 = /*@__PURE__*/ new Sphere(); +const _vector$5 = /*@__PURE__*/ new Vector3(); +const _forward = /*@__PURE__*/ new Vector3(); +const _temp = /*@__PURE__*/ new Vector3(); +const _renderList = /*@__PURE__*/ new MultiDrawRenderList(); +const _mesh = /*@__PURE__*/ new Mesh(); +const _batchIntersects = []; + +// @TODO: SkinnedMesh support? +// @TODO: geometry.groups support? +// @TODO: geometry.drawRange support? +// @TODO: geometry.morphAttributes support? +// @TODO: Support uniform parameter per geometry +// @TODO: Add an "optimize" function to pack geometry and remove data gaps + +// copies data from attribute "src" into "target" starting at "targetOffset" +function copyAttributeData( src, target, targetOffset = 0 ) { + + const itemSize = target.itemSize; + if ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) { + + // use the component getters and setters if the array data cannot + // be copied directly + const vertexCount = src.count; + for ( let i = 0; i < vertexCount; i ++ ) { + + for ( let c = 0; c < itemSize; c ++ ) { + + target.setComponent( i + targetOffset, c, src.getComponent( i, c ) ); + + } + + } + + } else { + + // faster copy approach using typed array set function + target.array.set( src.array, targetOffset * itemSize ); + + } + + target.needsUpdate = true; + +} + +class BatchedMesh extends Mesh { + + get maxInstanceCount() { + + return this._maxInstanceCount; + + } + + constructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) { + + super( new BufferGeometry(), material ); + + this.isBatchedMesh = true; + this.perObjectFrustumCulled = true; + this.sortObjects = true; + this.boundingBox = null; + this.boundingSphere = null; + this.customSort = null; + + // stores visible, active, and geometry id per object + this._drawInfo = []; + + // geometry information + this._drawRanges = []; + this._reservedRanges = []; + this._bounds = []; + + this._maxInstanceCount = maxInstanceCount; + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + + this._geometryInitialized = false; + this._geometryCount = 0; + this._multiDrawCounts = new Int32Array( maxInstanceCount ); + this._multiDrawStarts = new Int32Array( maxInstanceCount ); + this._multiDrawCount = 0; + this._multiDrawInstances = null; + this._visibilityChanged = true; + + // Local matrix per geometry by using data texture + this._matricesTexture = null; + this._indirectTexture = null; + this._colorsTexture = null; + + this._initMatricesTexture(); + this._initIndirectTexture(); + + } + + _initMatricesTexture() { + + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 matrices * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 matrices * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 matrices * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 matrices * 4 pixels = (64 * 64) + + let size = Math.sqrt( this._maxInstanceCount * 4 ); // 4 pixels needed for 1 matrix + size = Math.ceil( size / 4 ) * 4; + size = Math.max( size, 4 ); + + const matricesArray = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel + const matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType ); + + this._matricesTexture = matricesTexture; + + } + + _initIndirectTexture() { + + let size = Math.sqrt( this._maxInstanceCount ); + size = Math.ceil( size ); + + const indirectArray = new Uint32Array( size * size ); + const indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType ); + + this._indirectTexture = indirectTexture; + + } + + _initColorsTexture() { + + let size = Math.sqrt( this._maxIndexCount ); + size = Math.ceil( size ); + + // 4 floats per RGBA pixel initialized to white + const colorsArray = new Float32Array( size * size * 4 ).fill( 1 ); + const colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType ); + colorsTexture.colorSpace = ColorManagement.workingColorSpace; + + this._colorsTexture = colorsTexture; + + } + + _initializeGeometry( reference ) { + + const geometry = this.geometry; + const maxVertexCount = this._maxVertexCount; + const maxIndexCount = this._maxIndexCount; + if ( this._geometryInitialized === false ) { + + for ( const attributeName in reference.attributes ) { + + const srcAttribute = reference.getAttribute( attributeName ); + const { array, itemSize, normalized } = srcAttribute; + + const dstArray = new array.constructor( maxVertexCount * itemSize ); + const dstAttribute = new BufferAttribute( dstArray, itemSize, normalized ); + + geometry.setAttribute( attributeName, dstAttribute ); + + } + + if ( reference.getIndex() !== null ) { + + // Reserve last u16 index for primitive restart. + const indexArray = maxVertexCount > 65535 + ? new Uint32Array( maxIndexCount ) + : new Uint16Array( maxIndexCount ); + + geometry.setIndex( new BufferAttribute( indexArray, 1 ) ); + + } + + this._geometryInitialized = true; + + } + + } + + // Make sure the geometry is compatible with the existing combined geometry attributes + _validateGeometry( geometry ) { + + // check to ensure the geometries are using consistent attributes and indices + const batchGeometry = this.geometry; + if ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) { + + throw new Error( 'BatchedMesh: All geometries must consistently have "index".' ); + + } + + for ( const attributeName in batchGeometry.attributes ) { + + if ( ! geometry.hasAttribute( attributeName ) ) { + + throw new Error( `BatchedMesh: Added geometry missing "${ attributeName }". All geometries must have consistent attributes.` ); + + } + + const srcAttribute = geometry.getAttribute( attributeName ); + const dstAttribute = batchGeometry.getAttribute( attributeName ); + if ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) { + + throw new Error( 'BatchedMesh: All attributes must have a consistent itemSize and normalized value.' ); + + } + + } + + } + + setCustomSort( func ) { + + this.customSort = func; + return this; + + } + + computeBoundingBox() { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + const geometryCount = this._geometryCount; + const boundingBox = this.boundingBox; + const drawInfo = this._drawInfo; + + boundingBox.makeEmpty(); + for ( let i = 0; i < geometryCount; i ++ ) { + + if ( drawInfo[ i ].active === false ) continue; + + const geometryId = drawInfo[ i ].geometryIndex; + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 ); + boundingBox.union( _box$1 ); + + } + + } + + computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + const boundingSphere = this.boundingSphere; + const drawInfo = this._drawInfo; + + boundingSphere.makeEmpty(); + for ( let i = 0, l = drawInfo.length; i < l; i ++ ) { + + if ( drawInfo[ i ].active === false ) continue; + + const geometryId = drawInfo[ i ].geometryIndex; + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + boundingSphere.union( _sphere$2 ); + + } + + } + + addInstance( geometryId ) { + + // ensure we're not over geometry + if ( this._drawInfo.length >= this._maxInstanceCount ) { + + throw new Error( 'BatchedMesh: Maximum item count reached.' ); + + } + + this._drawInfo.push( { + + visible: true, + active: true, + geometryIndex: geometryId, + + } ); + + // initialize the matrix + const drawId = this._drawInfo.length - 1; + const matricesTexture = this._matricesTexture; + const matricesArray = matricesTexture.image.data; + _identityMatrix.toArray( matricesArray, drawId * 16 ); + matricesTexture.needsUpdate = true; + + const colorsTexture = this._colorsTexture; + if ( colorsTexture ) { + + _whiteColor.toArray( colorsTexture.image.data, drawId * 4 ); + colorsTexture.needsUpdate = true; + + } + + return drawId; + + } + + addGeometry( geometry, vertexCount = - 1, indexCount = - 1 ) { + + this._initializeGeometry( geometry ); + + this._validateGeometry( geometry ); + + // ensure we're not over geometry + if ( this._drawInfo.length >= this._maxInstanceCount ) { + + throw new Error( 'BatchedMesh: Maximum item count reached.' ); + + } + + // get the necessary range fo the geometry + const reservedRange = { + vertexStart: - 1, + vertexCount: - 1, + indexStart: - 1, + indexCount: - 1, + }; + + let lastRange = null; + const reservedRanges = this._reservedRanges; + const drawRanges = this._drawRanges; + const bounds = this._bounds; + if ( this._geometryCount !== 0 ) { + + lastRange = reservedRanges[ reservedRanges.length - 1 ]; + + } + + if ( vertexCount === - 1 ) { + + reservedRange.vertexCount = geometry.getAttribute( 'position' ).count; + + } else { + + reservedRange.vertexCount = vertexCount; + + } + + if ( lastRange === null ) { + + reservedRange.vertexStart = 0; + + } else { + + reservedRange.vertexStart = lastRange.vertexStart + lastRange.vertexCount; + + } + + const index = geometry.getIndex(); + const hasIndex = index !== null; + if ( hasIndex ) { + + if ( indexCount === - 1 ) { + + reservedRange.indexCount = index.count; + + } else { + + reservedRange.indexCount = indexCount; + + } + + if ( lastRange === null ) { + + reservedRange.indexStart = 0; + + } else { + + reservedRange.indexStart = lastRange.indexStart + lastRange.indexCount; + + } + + } + + if ( + reservedRange.indexStart !== - 1 && + reservedRange.indexStart + reservedRange.indexCount > this._maxIndexCount || + reservedRange.vertexStart + reservedRange.vertexCount > this._maxVertexCount + ) { + + throw new Error( 'BatchedMesh: Reserved space request exceeds the maximum buffer size.' ); + + } + + // update id + const geometryId = this._geometryCount; + this._geometryCount ++; + + // add the reserved range and draw range objects + reservedRanges.push( reservedRange ); + drawRanges.push( { + start: hasIndex ? reservedRange.indexStart : reservedRange.vertexStart, + count: - 1 + } ); + bounds.push( { + boxInitialized: false, + box: new Box3(), + + sphereInitialized: false, + sphere: new Sphere() + } ); + + // update the geometry + this.setGeometryAt( geometryId, geometry ); + + return geometryId; + + } + + setGeometryAt( geometryId, geometry ) { + + if ( geometryId >= this._geometryCount ) { + + throw new Error( 'BatchedMesh: Maximum geometry count reached.' ); + + } + + this._validateGeometry( geometry ); + + const batchGeometry = this.geometry; + const hasIndex = batchGeometry.getIndex() !== null; + const dstIndex = batchGeometry.getIndex(); + const srcIndex = geometry.getIndex(); + const reservedRange = this._reservedRanges[ geometryId ]; + if ( + hasIndex && + srcIndex.count > reservedRange.indexCount || + geometry.attributes.position.count > reservedRange.vertexCount + ) { + + throw new Error( 'BatchedMesh: Reserved space not large enough for provided geometry.' ); + + } + + // copy geometry over + const vertexStart = reservedRange.vertexStart; + const vertexCount = reservedRange.vertexCount; + for ( const attributeName in batchGeometry.attributes ) { + + // copy attribute data + const srcAttribute = geometry.getAttribute( attributeName ); + const dstAttribute = batchGeometry.getAttribute( attributeName ); + copyAttributeData( srcAttribute, dstAttribute, vertexStart ); + + // fill the rest in with zeroes + const itemSize = srcAttribute.itemSize; + for ( let i = srcAttribute.count, l = vertexCount; i < l; i ++ ) { + + const index = vertexStart + i; + for ( let c = 0; c < itemSize; c ++ ) { + + dstAttribute.setComponent( index, c, 0 ); + + } + + } + + dstAttribute.needsUpdate = true; + dstAttribute.addUpdateRange( vertexStart * itemSize, vertexCount * itemSize ); + + } + + // copy index + if ( hasIndex ) { + + const indexStart = reservedRange.indexStart; + + // copy index data over + for ( let i = 0; i < srcIndex.count; i ++ ) { + + dstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) ); + + } + + // fill the rest in with zeroes + for ( let i = srcIndex.count, l = reservedRange.indexCount; i < l; i ++ ) { + + dstIndex.setX( indexStart + i, vertexStart ); + + } + + dstIndex.needsUpdate = true; + dstIndex.addUpdateRange( indexStart, reservedRange.indexCount ); + + } + + // store the bounding boxes + const bound = this._bounds[ geometryId ]; + if ( geometry.boundingBox !== null ) { + + bound.box.copy( geometry.boundingBox ); + bound.boxInitialized = true; + + } else { + + bound.boxInitialized = false; + + } + + if ( geometry.boundingSphere !== null ) { + + bound.sphere.copy( geometry.boundingSphere ); + bound.sphereInitialized = true; + + } else { + + bound.sphereInitialized = false; + + } + + // set drawRange count + const drawRange = this._drawRanges[ geometryId ]; + const posAttr = geometry.getAttribute( 'position' ); + drawRange.count = hasIndex ? srcIndex.count : posAttr.count; + this._visibilityChanged = true; + + return geometryId; + + } + + /* + deleteGeometry( geometryId ) { + + // TODO: delete geometry and associated instances + + } + */ + + /* + deleteInstance( instanceId ) { + + // Note: User needs to call optimize() afterward to pack the data. + + const drawInfo = this._drawInfo; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return this; + + } + + drawInfo[ instanceId ].active = false; + this._visibilityChanged = true; + + return this; + + } + */ + + // get bounding box and compute it if it doesn't exist + getBoundingBoxAt( geometryId, target ) { + + if ( geometryId >= this._geometryCount ) { + + return null; + + } + + // compute bounding box + const bound = this._bounds[ geometryId ]; + const box = bound.box; + const geometry = this.geometry; + if ( bound.boxInitialized === false ) { + + box.makeEmpty(); + + const index = geometry.index; + const position = geometry.attributes.position; + const drawRange = this._drawRanges[ geometryId ]; + for ( let i = drawRange.start, l = drawRange.start + drawRange.count; i < l; i ++ ) { + + let iv = i; + if ( index ) { + + iv = index.getX( iv ); + + } + + box.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) ); + + } + + bound.boxInitialized = true; + + } + + target.copy( box ); + return target; + + } + + // get bounding sphere and compute it if it doesn't exist + getBoundingSphereAt( geometryId, target ) { + + if ( geometryId >= this._geometryCount ) { + + return null; + + } + + // compute bounding sphere + const bound = this._bounds[ geometryId ]; + const sphere = bound.sphere; + const geometry = this.geometry; + if ( bound.sphereInitialized === false ) { + + sphere.makeEmpty(); + + this.getBoundingBoxAt( geometryId, _box$1 ); + _box$1.getCenter( sphere.center ); + + const index = geometry.index; + const position = geometry.attributes.position; + const drawRange = this._drawRanges[ geometryId ]; + + let maxRadiusSq = 0; + for ( let i = drawRange.start, l = drawRange.start + drawRange.count; i < l; i ++ ) { + + let iv = i; + if ( index ) { + + iv = index.getX( iv ); + + } + + _vector$5.fromBufferAttribute( position, iv ); + maxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) ); + + } + + sphere.radius = Math.sqrt( maxRadiusSq ); + bound.sphereInitialized = true; + + } + + target.copy( sphere ); + return target; + + } + + setMatrixAt( instanceId, matrix ) { + + // @TODO: Map geometryId to index of the arrays because + // optimize() can make geometryId mismatch the index + + const drawInfo = this._drawInfo; + const matricesTexture = this._matricesTexture; + const matricesArray = this._matricesTexture.image.data; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return this; + + } + + matrix.toArray( matricesArray, instanceId * 16 ); + matricesTexture.needsUpdate = true; + + return this; + + } + + getMatrixAt( instanceId, matrix ) { + + const drawInfo = this._drawInfo; + const matricesArray = this._matricesTexture.image.data; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return null; + + } + + return matrix.fromArray( matricesArray, instanceId * 16 ); + + } + + setColorAt( instanceId, color ) { + + if ( this._colorsTexture === null ) { + + this._initColorsTexture(); + + } + + // @TODO: Map id to index of the arrays because + // optimize() can make id mismatch the index + + const colorsTexture = this._colorsTexture; + const colorsArray = this._colorsTexture.image.data; + const drawInfo = this._drawInfo; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return this; + + } + + color.toArray( colorsArray, instanceId * 4 ); + colorsTexture.needsUpdate = true; + + return this; + + } + + getColorAt( instanceId, color ) { + + const colorsArray = this._colorsTexture.image.data; + const drawInfo = this._drawInfo; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return null; + + } + + return color.fromArray( colorsArray, instanceId * 4 ); + + } + + setVisibleAt( instanceId, value ) { + + // if the geometry is out of range, not active, or visibility state + // does not change then return early + const drawInfo = this._drawInfo; + if ( + instanceId >= drawInfo.length || + drawInfo[ instanceId ].active === false || + drawInfo[ instanceId ].visible === value + ) { + + return this; + + } + + drawInfo[ instanceId ].visible = value; + this._visibilityChanged = true; + + return this; + + } + + getVisibleAt( instanceId ) { + + // return early if the geometry is out of range or not active + const drawInfo = this._drawInfo; + if ( instanceId >= drawInfo.length || drawInfo[ instanceId ].active === false ) { + + return false; + + } + + return drawInfo[ instanceId ].visible; + + } + + raycast( raycaster, intersects ) { + + const drawInfo = this._drawInfo; + const drawRanges = this._drawRanges; + const matrixWorld = this.matrixWorld; + const batchGeometry = this.geometry; + + // iterate over each geometry + _mesh.material = this.material; + _mesh.geometry.index = batchGeometry.index; + _mesh.geometry.attributes = batchGeometry.attributes; + if ( _mesh.geometry.boundingBox === null ) { + + _mesh.geometry.boundingBox = new Box3(); + + } + + if ( _mesh.geometry.boundingSphere === null ) { + + _mesh.geometry.boundingSphere = new Sphere(); + + } + + for ( let i = 0, l = drawInfo.length; i < l; i ++ ) { + + if ( ! drawInfo[ i ].visible || ! drawInfo[ i ].active ) { + + continue; + + } + + const geometryId = drawInfo[ i ].geometryIndex; + const drawRange = drawRanges[ geometryId ]; + _mesh.geometry.setDrawRange( drawRange.start, drawRange.count ); + + // ge the intersects + this.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld ); + this.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox ); + this.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere ); + _mesh.raycast( raycaster, _batchIntersects ); + + // add batch id to the intersects + for ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) { + + const intersect = _batchIntersects[ j ]; + intersect.object = this; + intersect.batchId = i; + intersects.push( intersect ); + + } + + _batchIntersects.length = 0; + + } + + _mesh.material = null; + _mesh.geometry.index = null; + _mesh.geometry.attributes = {}; + _mesh.geometry.setDrawRange( 0, Infinity ); + + } + + copy( source ) { + + super.copy( source ); + + this.geometry = source.geometry.clone(); + this.perObjectFrustumCulled = source.perObjectFrustumCulled; + this.sortObjects = source.sortObjects; + this.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null; + this.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null; + + this._drawRanges = source._drawRanges.map( range => ( { ...range } ) ); + this._reservedRanges = source._reservedRanges.map( range => ( { ...range } ) ); + + this._drawInfo = source._drawInfo.map( inf => ( { ...inf } ) ); + this._bounds = source._bounds.map( bound => ( { + boxInitialized: bound.boxInitialized, + box: bound.box.clone(), + + sphereInitialized: bound.sphereInitialized, + sphere: bound.sphere.clone() + } ) ); + + this._maxInstanceCount = source._maxInstanceCount; + this._maxVertexCount = source._maxVertexCount; + this._maxIndexCount = source._maxIndexCount; + + this._geometryInitialized = source._geometryInitialized; + this._geometryCount = source._geometryCount; + this._multiDrawCounts = source._multiDrawCounts.slice(); + this._multiDrawStarts = source._multiDrawStarts.slice(); + + this._matricesTexture = source._matricesTexture.clone(); + this._matricesTexture.image.data = this._matricesTexture.image.slice(); + + if ( this._colorsTexture !== null ) { + + this._colorsTexture = source._colorsTexture.clone(); + this._colorsTexture.image.data = this._colorsTexture.image.slice(); + + } + + return this; + + } + + dispose() { + + // Assuming the geometry is not shared with other meshes + this.geometry.dispose(); + + this._matricesTexture.dispose(); + this._matricesTexture = null; + + this._indirectTexture.dispose(); + this._indirectTexture = null; + + if ( this._colorsTexture !== null ) { + + this._colorsTexture.dispose(); + this._colorsTexture = null; + + } + + return this; + + } + + onBeforeRender( renderer, scene, camera, geometry, material/*, _group*/ ) { + + // if visibility has not changed and frustum culling and object sorting is not required + // then skip iterating over all items + if ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) { + + return; + + } + + // the indexed version of the multi draw function requires specifying the start + // offset in bytes. + const index = geometry.getIndex(); + const bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT; + + const drawInfo = this._drawInfo; + const multiDrawStarts = this._multiDrawStarts; + const multiDrawCounts = this._multiDrawCounts; + const drawRanges = this._drawRanges; + const perObjectFrustumCulled = this.perObjectFrustumCulled; + const indirectTexture = this._indirectTexture; + const indirectArray = indirectTexture.image.data; + + // prepare the frustum in the local frame + if ( perObjectFrustumCulled ) { + + _projScreenMatrix$3 + .multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ) + .multiply( this.matrixWorld ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$3, + renderer.coordinateSystem + ); + + } + + let count = 0; + if ( this.sortObjects ) { + + // get the camera position in the local frame + _invMatrixWorld.copy( this.matrixWorld ).invert(); + _vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _invMatrixWorld ); + _forward.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ).transformDirection( _invMatrixWorld ); + + for ( let i = 0, l = drawInfo.length; i < l; i ++ ) { + + if ( drawInfo[ i ].visible && drawInfo[ i ].active ) { + + const geometryId = drawInfo[ i ].geometryIndex; + + // get the bounds in world space + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + + // determine whether the batched geometry is within the frustum + let culled = false; + if ( perObjectFrustumCulled ) { + + culled = ! _frustum$1.intersectsSphere( _sphere$2 ); + + } + + if ( ! culled ) { + + // get the distance from camera used for sorting + const z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward ); + _renderList.push( drawRanges[ geometryId ], z, i ); + + } + + } + + } + + // Sort the draw ranges and prep for rendering + const list = _renderList.list; + const customSort = this.customSort; + if ( customSort === null ) { + + list.sort( material.transparent ? sortTransparent : sortOpaque ); + + } else { + + customSort.call( this, list, camera ); + + } + + for ( let i = 0, l = list.length; i < l; i ++ ) { + + const item = list[ i ]; + multiDrawStarts[ count ] = item.start * bytesPerElement; + multiDrawCounts[ count ] = item.count; + indirectArray[ count ] = item.index; + count ++; + + } + + _renderList.reset(); + + } else { + + for ( let i = 0, l = drawInfo.length; i < l; i ++ ) { + + if ( drawInfo[ i ].visible && drawInfo[ i ].active ) { + + const geometryId = drawInfo[ i ].geometryIndex; + + // determine whether the batched geometry is within the frustum + let culled = false; + if ( perObjectFrustumCulled ) { + + // get the bounds in world space + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + culled = ! _frustum$1.intersectsSphere( _sphere$2 ); + + } + + if ( ! culled ) { + + const range = drawRanges[ geometryId ]; + multiDrawStarts[ count ] = range.start * bytesPerElement; + multiDrawCounts[ count ] = range.count; + indirectArray[ count ] = i; + count ++; + + } + + } + + } + + } + + indirectTexture.needsUpdate = true; + this._multiDrawCount = count; + this._visibilityChanged = false; + + } + + onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial/* , group */ ) { + + this.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial ); + + } + +} + +class LineBasicMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isLineBasicMaterial = true; + + this.type = 'LineBasicMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + + this.fog = source.fog; + + return this; + + } + +} + +const _vStart = /*@__PURE__*/ new Vector3(); +const _vEnd = /*@__PURE__*/ new Vector3(); + +const _inverseMatrix$1 = /*@__PURE__*/ new Matrix4(); +const _ray$1 = /*@__PURE__*/ new Ray(); +const _sphere$1 = /*@__PURE__*/ new Sphere(); + +const _intersectPointOnRay = /*@__PURE__*/ new Vector3(); +const _intersectPointOnSegment = /*@__PURE__*/ new Vector3(); + +class Line extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) { + + super(); + + this.isLine = true; + + this.type = 'Line'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + + return this; + + } + + computeLineDistances() { + + const geometry = this.geometry; + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + const positionAttribute = geometry.attributes.position; + const lineDistances = [ 0 ]; + + for ( let i = 1, l = positionAttribute.count; i < l; i ++ ) { + + _vStart.fromBufferAttribute( positionAttribute, i - 1 ); + _vEnd.fromBufferAttribute( positionAttribute, i ); + + lineDistances[ i ] = lineDistances[ i - 1 ]; + lineDistances[ i ] += _vStart.distanceTo( _vEnd ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + return this; + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Line.threshold; + const drawRange = geometry.drawRange; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$1.copy( geometry.boundingSphere ); + _sphere$1.applyMatrix4( matrixWorld ); + _sphere$1.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return; + + // + + _inverseMatrix$1.copy( matrixWorld ).invert(); + _ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 ); + + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + + const step = this.isLineSegments ? 2 : 1; + + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + + if ( index !== null ) { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end - 1; i < l; i += step ) { + + const a = index.getX( i ); + const b = index.getX( i + 1 ); + + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b ); + + if ( intersect ) { + + intersects.push( intersect ); + + } + + } + + if ( this.isLineLoop ) { + + const a = index.getX( end - 1 ); + const b = index.getX( start ); + + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b ); + + if ( intersect ) { + + intersects.push( intersect ); + + } + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end - 1; i < l; i += step ) { + + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1 ); + + if ( intersect ) { + + intersects.push( intersect ); + + } + + } + + if ( this.isLineLoop ) { + + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start ); + + if ( intersect ) { + + intersects.push( intersect ); + + } + + } + + } + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + +} + +function checkIntersection( object, raycaster, ray, thresholdSq, a, b ) { + + const positionAttribute = object.geometry.attributes.position; + + _vStart.fromBufferAttribute( positionAttribute, a ); + _vEnd.fromBufferAttribute( positionAttribute, b ); + + const distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment ); + + if ( distSq > thresholdSq ) return; + + _intersectPointOnRay.applyMatrix4( object.matrixWorld ); // Move back to world space for distance calculation + + const distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + return { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ), + index: a, + face: null, + faceIndex: null, + object: object + + }; + +} + +const _start = /*@__PURE__*/ new Vector3(); +const _end = /*@__PURE__*/ new Vector3(); + +class LineSegments extends Line { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isLineSegments = true; + + this.type = 'LineSegments'; + + } + + computeLineDistances() { + + const geometry = this.geometry; + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + const positionAttribute = geometry.attributes.position; + const lineDistances = []; + + for ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) { + + _start.fromBufferAttribute( positionAttribute, i ); + _end.fromBufferAttribute( positionAttribute, i + 1 ); + + lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; + lineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + return this; + + } + +} + +class LineLoop extends Line { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isLineLoop = true; + + this.type = 'LineLoop'; + + } + +} + +class PointsMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isPointsMaterial = true; + + this.type = 'PointsMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.size = 1; + this.sizeAttenuation = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + + this.fog = source.fog; + + return this; + + } + +} + +const _inverseMatrix = /*@__PURE__*/ new Matrix4(); +const _ray = /*@__PURE__*/ new Ray(); +const _sphere = /*@__PURE__*/ new Sphere(); +const _position$2 = /*@__PURE__*/ new Vector3(); + +class Points extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) { + + super(); + + this.isPoints = true; + + this.type = 'Points'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + + return this; + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Points.threshold; + const drawRange = geometry.drawRange; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere.copy( geometry.boundingSphere ); + _sphere.applyMatrix4( matrixWorld ); + _sphere.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return; + + // + + _inverseMatrix.copy( matrixWorld ).invert(); + _ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix ); + + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + + if ( index !== null ) { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i ++ ) { + + const a = index.getX( i ); + + _position$2.fromBufferAttribute( positionAttribute, a ); + + testPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end; i < l; i ++ ) { + + _position$2.fromBufferAttribute( positionAttribute, i ); + + testPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + +} + +function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) { + + const rayPointDistanceSq = _ray.distanceSqToPoint( point ); + + if ( rayPointDistanceSq < localThresholdSq ) { + + const intersectPoint = new Vector3(); + + _ray.closestPointToPoint( point, intersectPoint ); + intersectPoint.applyMatrix4( matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint, + index: index, + face: null, + object: object + + } ); + + } + +} + +class Group extends Object3D { + + constructor() { + + super(); + + this.isGroup = true; + + this.type = 'Group'; + + } + +} + +class VideoTexture extends Texture { + + constructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + super( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isVideoTexture = true; + + this.minFilter = minFilter !== undefined ? minFilter : LinearFilter; + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + + this.generateMipmaps = false; + + const scope = this; + + function updateVideo() { + + scope.needsUpdate = true; + video.requestVideoFrameCallback( updateVideo ); + + } + + if ( 'requestVideoFrameCallback' in video ) { + + video.requestVideoFrameCallback( updateVideo ); + + } + + } + + clone() { + + return new this.constructor( this.image ).copy( this ); + + } + + update() { + + const video = this.image; + const hasVideoFrameCallback = 'requestVideoFrameCallback' in video; + + if ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) { + + this.needsUpdate = true; + + } + + } + +} + +class FramebufferTexture extends Texture { + + constructor( width, height ) { + + super( { width, height } ); + + this.isFramebufferTexture = true; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.generateMipmaps = false; + + this.needsUpdate = true; + + } + +} + +class CompressedTexture extends Texture { + + constructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) { + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + + this.isCompressedTexture = true; + + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; + + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) + + this.flipY = false; + + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + + this.generateMipmaps = false; + + } + +} + +class CompressedArrayTexture extends CompressedTexture { + + constructor( mipmaps, width, height, depth, format, type ) { + + super( mipmaps, width, height, format, type ); + + this.isCompressedArrayTexture = true; + this.image.depth = depth; + this.wrapR = ClampToEdgeWrapping; + + this.layerUpdates = new Set(); + + } + + addLayerUpdate( layerIndex ) { + + this.layerUpdates.add( layerIndex ); + + } + + clearLayerUpdates() { + + this.layerUpdates.clear(); + + } + +} + +class CompressedCubeTexture extends CompressedTexture { + + constructor( images, format, type ) { + + super( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping ); + + this.isCompressedCubeTexture = true; + this.isCubeTexture = true; + + this.image = images; + + } + +} + +class CanvasTexture extends Texture { + + constructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + super( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isCanvasTexture = true; + + this.needsUpdate = true; + + } + +} + +class DepthTexture extends Texture { + + constructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format = DepthFormat ) { + + if ( format !== DepthFormat && format !== DepthStencilFormat ) { + + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ); + + } + + if ( type === undefined && format === DepthFormat ) type = UnsignedIntType; + if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type; + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isDepthTexture = true; + + this.image = { width: width, height: height }; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.flipY = false; + this.generateMipmaps = false; + + this.compareFunction = null; + + } + + + copy( source ) { + + super.copy( source ); + + this.compareFunction = source.compareFunction; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + if ( this.compareFunction !== null ) data.compareFunction = this.compareFunction; + + return data; + + } + +} + +/** + * Extensible curve object. + * + * Some common of curve methods: + * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget ) + * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget ) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following curves inherit from THREE.Curve: + * + * -- 2D curves -- + * THREE.ArcCurve + * THREE.CubicBezierCurve + * THREE.EllipseCurve + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.SplineCurve + * + * -- 3D curves -- + * THREE.CatmullRomCurve3 + * THREE.CubicBezierCurve3 + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * + * A series of curves can be represented as a THREE.CurvePath. + * + **/ + +class Curve { + + constructor() { + + this.type = 'Curve'; + + this.arcLengthDivisions = 200; + + } + + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + + getPoint( /* t, optionalTarget */ ) { + + console.warn( 'THREE.Curve: .getPoint() not implemented.' ); + return null; + + } + + // Get point at relative position in curve according to arc length + // - u [0 .. 1] + + getPointAt( u, optionalTarget ) { + + const t = this.getUtoTmapping( u ); + return this.getPoint( t, optionalTarget ); + + } + + // Get sequence of points using getPoint( t ) + + getPoints( divisions = 5 ) { + + const points = []; + + for ( let d = 0; d <= divisions; d ++ ) { + + points.push( this.getPoint( d / divisions ) ); + + } + + return points; + + } + + // Get sequence of points using getPointAt( u ) + + getSpacedPoints( divisions = 5 ) { + + const points = []; + + for ( let d = 0; d <= divisions; d ++ ) { + + points.push( this.getPointAt( d / divisions ) ); + + } + + return points; + + } + + // Get total curve arc length + + getLength() { + + const lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; + + } + + // Get list of cumulative segment lengths + + getLengths( divisions = this.arcLengthDivisions ) { + + if ( this.cacheArcLengths && + ( this.cacheArcLengths.length === divisions + 1 ) && + ! this.needsUpdate ) { + + return this.cacheArcLengths; + + } + + this.needsUpdate = false; + + const cache = []; + let current, last = this.getPoint( 0 ); + let sum = 0; + + cache.push( 0 ); + + for ( let p = 1; p <= divisions; p ++ ) { + + current = this.getPoint( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; + + } + + this.cacheArcLengths = cache; + + return cache; // { sums: cache, sum: sum }; Sum is in the last element. + + } + + updateArcLengths() { + + this.needsUpdate = true; + this.getLengths(); + + } + + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + + getUtoTmapping( u, distance ) { + + const arcLengths = this.getLengths(); + + let i = 0; + const il = arcLengths.length; + + let targetArcLength; // The targeted u distance value to get + + if ( distance ) { + + targetArcLength = distance; + + } else { + + targetArcLength = u * arcLengths[ il - 1 ]; + + } + + // binary search for the index with largest value smaller than target u distance + + let low = 0, high = il - 1, comparison; + + while ( low <= high ) { + + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + + comparison = arcLengths[ i ] - targetArcLength; + + if ( comparison < 0 ) { + + low = i + 1; + + } else if ( comparison > 0 ) { + + high = i - 1; + + } else { + + high = i; + break; + + // DONE + + } + + } + + i = high; + + if ( arcLengths[ i ] === targetArcLength ) { + + return i / ( il - 1 ); + + } + + // we could get finer grain at lengths, or use simple interpolation between two points + + const lengthBefore = arcLengths[ i ]; + const lengthAfter = arcLengths[ i + 1 ]; + + const segmentLength = lengthAfter - lengthBefore; + + // determine where we are between the 'before' and 'after' points + + const segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + + // add that fractional amount to t + + const t = ( i + segmentFraction ) / ( il - 1 ); + + return t; + + } + + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + + getTangent( t, optionalTarget ) { + + const delta = 0.0001; + let t1 = t - delta; + let t2 = t + delta; + + // Capping in case of danger + + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; + + const pt1 = this.getPoint( t1 ); + const pt2 = this.getPoint( t2 ); + + const tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() ); + + tangent.copy( pt2 ).sub( pt1 ).normalize(); + + return tangent; + + } + + getTangentAt( u, optionalTarget ) { + + const t = this.getUtoTmapping( u ); + return this.getTangent( t, optionalTarget ); + + } + + computeFrenetFrames( segments, closed ) { + + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + + const normal = new Vector3(); + + const tangents = []; + const normals = []; + const binormals = []; + + const vec = new Vector3(); + const mat = new Matrix4(); + + // compute the tangent vectors for each segment on the curve + + for ( let i = 0; i <= segments; i ++ ) { + + const u = i / segments; + + tangents[ i ] = this.getTangentAt( u, new Vector3() ); + + } + + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component + + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + let min = Number.MAX_VALUE; + const tx = Math.abs( tangents[ 0 ].x ); + const ty = Math.abs( tangents[ 0 ].y ); + const tz = Math.abs( tangents[ 0 ].z ); + + if ( tx <= min ) { + + min = tx; + normal.set( 1, 0, 0 ); + + } + + if ( ty <= min ) { + + min = ty; + normal.set( 0, 1, 0 ); + + } + + if ( tz <= min ) { + + normal.set( 0, 0, 1 ); + + } + + vec.crossVectors( tangents[ 0 ], normal ).normalize(); + + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + + + // compute the slowly-varying normal and binormal vectors for each segment on the curve + + for ( let i = 1; i <= segments; i ++ ) { + + normals[ i ] = normals[ i - 1 ].clone(); + + binormals[ i ] = binormals[ i - 1 ].clone(); + + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + + if ( vec.length() > Number.EPSILON ) { + + vec.normalize(); + + const theta = Math.acos( clamp$1( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + + } + + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + + if ( closed === true ) { + + let theta = Math.acos( clamp$1( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; + + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + + theta = - theta; + + } + + for ( let i = 1; i <= segments; i ++ ) { + + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + } + + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.arcLengthDivisions = source.arcLengthDivisions; + + return this; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.6, + type: 'Curve', + generator: 'Curve.toJSON' + } + }; + + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + + return data; + + } + + fromJSON( json ) { + + this.arcLengthDivisions = json.arcLengthDivisions; + + return this; + + } + +} + +class EllipseCurve extends Curve { + + constructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) { + + super(); + + this.isEllipseCurve = true; + + this.type = 'EllipseCurve'; + + this.aX = aX; + this.aY = aY; + + this.xRadius = xRadius; + this.yRadius = yRadius; + + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + + this.aClockwise = aClockwise; + + this.aRotation = aRotation; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const twoPi = Math.PI * 2; + let deltaAngle = this.aEndAngle - this.aStartAngle; + const samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + + if ( deltaAngle < Number.EPSILON ) { + + if ( samePoints ) { + + deltaAngle = 0; + + } else { + + deltaAngle = twoPi; + + } + + } + + if ( this.aClockwise === true && ! samePoints ) { + + if ( deltaAngle === twoPi ) { + + deltaAngle = - twoPi; + + } else { + + deltaAngle = deltaAngle - twoPi; + + } + + } + + const angle = this.aStartAngle + t * deltaAngle; + let x = this.aX + this.xRadius * Math.cos( angle ); + let y = this.aY + this.yRadius * Math.sin( angle ); + + if ( this.aRotation !== 0 ) { + + const cos = Math.cos( this.aRotation ); + const sin = Math.sin( this.aRotation ); + + const tx = x - this.aX; + const ty = y - this.aY; + + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + + } + + return point.set( x, y ); + + } + + copy( source ) { + + super.copy( source ); + + this.aX = source.aX; + this.aY = source.aY; + + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + + this.aClockwise = source.aClockwise; + + this.aRotation = source.aRotation; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.aX = this.aX; + data.aY = this.aY; + + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + + data.aClockwise = this.aClockwise; + + data.aRotation = this.aRotation; + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.aX = json.aX; + this.aY = json.aY; + + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + + this.aClockwise = json.aClockwise; + + this.aRotation = json.aRotation; + + return this; + + } + +} + +class ArcCurve extends EllipseCurve { + + constructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + super( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + this.isArcCurve = true; + + this.type = 'ArcCurve'; + + } + +} + +/** + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ + + +/* +Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM + +This CubicPoly class could be used for reusing some variables and calculations, +but for three.js curve use, it could be possible inlined and flatten into a single function call +which can be placed in CurveUtils. +*/ + +function CubicPoly() { + + let c0 = 0, c1 = 0, c2 = 0, c3 = 0; + + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + function init( x0, x1, t0, t1 ) { + + c0 = x0; + c1 = t0; + c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + + } + + return { + + initCatmullRom: function ( x0, x1, x2, x3, tension ) { + + init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + + }, + + initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) { + + // compute tangents when parameterized in [t1,t2] + let t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + let t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; + + init( x1, x2, t1, t2 ); + + }, + + calc: function ( t ) { + + const t2 = t * t; + const t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + + } + + }; + +} + +// + +const tmp = /*@__PURE__*/ new Vector3(); +const px = /*@__PURE__*/ new CubicPoly(); +const py = /*@__PURE__*/ new CubicPoly(); +const pz = /*@__PURE__*/ new CubicPoly(); + +class CatmullRomCurve3 extends Curve { + + constructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) { + + super(); + + this.isCatmullRomCurve3 = true; + + this.type = 'CatmullRomCurve3'; + + this.points = points; + this.closed = closed; + this.curveType = curveType; + this.tension = tension; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const points = this.points; + const l = points.length; + + const p = ( l - ( this.closed ? 0 : 1 ) ) * t; + let intPoint = Math.floor( p ); + let weight = p - intPoint; + + if ( this.closed ) { + + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l; + + } else if ( weight === 0 && intPoint === l - 1 ) { + + intPoint = l - 2; + weight = 1; + + } + + let p0, p3; // 4 points (p1 & p2 defined below) + + if ( this.closed || intPoint > 0 ) { + + p0 = points[ ( intPoint - 1 ) % l ]; + + } else { + + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; + + } + + const p1 = points[ intPoint % l ]; + const p2 = points[ ( intPoint + 1 ) % l ]; + + if ( this.closed || intPoint + 2 < l ) { + + p3 = points[ ( intPoint + 2 ) % l ]; + + } else { + + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; + + } + + if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) { + + // init Centripetal / Chordal Catmull-Rom + const pow = this.curveType === 'chordal' ? 0.5 : 0.25; + let dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + let dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + let dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; + + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + + } else if ( this.curveType === 'catmullrom' ) { + + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension ); + + } + + point.set( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.points = []; + + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + + const point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.points = []; + + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + + const point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.points = []; + + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + + const point = json.points[ i ]; + this.points.push( new Vector3().fromArray( point ) ); + + } + + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + + return this; + + } + +} + +/** + * Bezier Curves formulas obtained from + * https://en.wikipedia.org/wiki/B%C3%A9zier_curve + */ + +function CatmullRom( t, p0, p1, p2, p3 ) { + + const v0 = ( p2 - p0 ) * 0.5; + const v1 = ( p3 - p1 ) * 0.5; + const t2 = t * t; + const t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + +} + +// + +function QuadraticBezierP0( t, p ) { + + const k = 1 - t; + return k * k * p; + +} + +function QuadraticBezierP1( t, p ) { + + return 2 * ( 1 - t ) * t * p; + +} + +function QuadraticBezierP2( t, p ) { + + return t * t * p; + +} + +function QuadraticBezier( t, p0, p1, p2 ) { + + return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) + + QuadraticBezierP2( t, p2 ); + +} + +// + +function CubicBezierP0( t, p ) { + + const k = 1 - t; + return k * k * k * p; + +} + +function CubicBezierP1( t, p ) { + + const k = 1 - t; + return 3 * k * k * t * p; + +} + +function CubicBezierP2( t, p ) { + + return 3 * ( 1 - t ) * t * t * p; + +} + +function CubicBezierP3( t, p ) { + + return t * t * t * p; + +} + +function CubicBezier( t, p0, p1, p2, p3 ) { + + return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) + + CubicBezierP3( t, p3 ); + +} + +class CubicBezierCurve extends Curve { + + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) { + + super(); + + this.isCubicBezierCurve = true; + + this.type = 'CubicBezierCurve'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + + } + +} + +class CubicBezierCurve3 extends Curve { + + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) { + + super(); + + this.isCubicBezierCurve3 = true; + + this.type = 'CubicBezierCurve3'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ), + CubicBezier( t, v0.z, v1.z, v2.z, v3.z ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + + } + +} + +class LineCurve extends Curve { + + constructor( v1 = new Vector2(), v2 = new Vector2() ) { + + super(); + + this.isLineCurve = true; + + this.type = 'LineCurve'; + + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + + } + + // Line curve is linear, so we can overwrite default getPointAt + getPointAt( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + + } + + getTangent( t, optionalTarget = new Vector2() ) { + + return optionalTarget.subVectors( this.v2, this.v1 ).normalize(); + + } + + getTangentAt( u, optionalTarget ) { + + return this.getTangent( u, optionalTarget ); + + } + + copy( source ) { + + super.copy( source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class LineCurve3 extends Curve { + + constructor( v1 = new Vector3(), v2 = new Vector3() ) { + + super(); + + this.isLineCurve3 = true; + + this.type = 'LineCurve3'; + + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + + } + + // Line curve is linear, so we can overwrite default getPointAt + getPointAt( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + + } + + getTangent( t, optionalTarget = new Vector3() ) { + + return optionalTarget.subVectors( this.v2, this.v1 ).normalize(); + + } + + getTangentAt( u, optionalTarget ) { + + return this.getTangent( u, optionalTarget ); + + } + + copy( source ) { + + super.copy( source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class QuadraticBezierCurve extends Curve { + + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) { + + super(); + + this.isQuadraticBezierCurve = true; + + this.type = 'QuadraticBezierCurve'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class QuadraticBezierCurve3 extends Curve { + + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) { + + super(); + + this.isQuadraticBezierCurve3 = true; + + this.type = 'QuadraticBezierCurve3'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ), + QuadraticBezier( t, v0.z, v1.z, v2.z ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class SplineCurve extends Curve { + + constructor( points = [] ) { + + super(); + + this.isSplineCurve = true; + + this.type = 'SplineCurve'; + + this.points = points; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const points = this.points; + const p = ( points.length - 1 ) * t; + + const intPoint = Math.floor( p ); + const weight = p - intPoint; + + const p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + const p1 = points[ intPoint ]; + const p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + const p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + + point.set( + CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ), + CatmullRom( weight, p0.y, p1.y, p2.y, p3.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.points = []; + + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + + const point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.points = []; + + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + + const point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.points = []; + + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + + const point = json.points[ i ]; + this.points.push( new Vector2().fromArray( point ) ); + + } + + return this; + + } + +} + +var Curves = /*#__PURE__*/Object.freeze({ + __proto__: null, + ArcCurve: ArcCurve, + CatmullRomCurve3: CatmullRomCurve3, + CubicBezierCurve: CubicBezierCurve, + CubicBezierCurve3: CubicBezierCurve3, + EllipseCurve: EllipseCurve, + LineCurve: LineCurve, + LineCurve3: LineCurve3, + QuadraticBezierCurve: QuadraticBezierCurve, + QuadraticBezierCurve3: QuadraticBezierCurve3, + SplineCurve: SplineCurve +}); + +/************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ + +class CurvePath extends Curve { + + constructor() { + + super(); + + this.type = 'CurvePath'; + + this.curves = []; + this.autoClose = false; // Automatically closes the path + + } + + add( curve ) { + + this.curves.push( curve ); + + } + + closePath() { + + // Add a line curve if start and end of lines are not connected + const startPoint = this.curves[ 0 ].getPoint( 0 ); + const endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + + if ( ! startPoint.equals( endPoint ) ) { + + const lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3'; + this.curves.push( new Curves[ lineType ]( endPoint, startPoint ) ); + + } + + return this; + + } + + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: + + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') + + getPoint( t, optionalTarget ) { + + const d = t * this.getLength(); + const curveLengths = this.getCurveLengths(); + let i = 0; + + // To think about boundaries points. + + while ( i < curveLengths.length ) { + + if ( curveLengths[ i ] >= d ) { + + const diff = curveLengths[ i ] - d; + const curve = this.curves[ i ]; + + const segmentLength = curve.getLength(); + const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + + return curve.getPointAt( u, optionalTarget ); + + } + + i ++; + + } + + return null; + + // loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) { + + points.push( points[ 0 ] ); + + } + + return points; + + } + + copy( source ) { + + super.copy( source ); + + this.curves = []; + + for ( let i = 0, l = source.curves.length; i < l; i ++ ) { + + const curve = source.curves[ i ]; + + this.curves.push( curve.clone() ); + + } + + this.autoClose = source.autoClose; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.autoClose = this.autoClose; + data.curves = []; + + for ( let i = 0, l = this.curves.length; i < l; i ++ ) { + + const curve = this.curves[ i ]; + data.curves.push( curve.toJSON() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.autoClose = json.autoClose; + this.curves = []; + + for ( let i = 0, l = json.curves.length; i < l; i ++ ) { + + const curve = json.curves[ i ]; + this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) ); + + } + + return this; + + } + +} + +class Path extends CurvePath { + + constructor( points ) { + + super(); + + this.type = 'Path'; + + this.currentPoint = new Vector2(); + + if ( points ) { + + this.setFromPoints( points ); + + } + + } + + setFromPoints( points ) { + + this.moveTo( points[ 0 ].x, points[ 0 ].y ); + + for ( let i = 1, l = points.length; i < l; i ++ ) { + + this.lineTo( points[ i ].x, points[ i ].y ); + + } + + return this; + + } + + moveTo( x, y ) { + + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + + return this; + + } + + lineTo( x, y ) { + + const curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + + this.currentPoint.set( x, y ); + + return this; + + } + + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + + const curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + } + + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + const curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + } + + splineThru( pts /*Array of Vector*/ ) { + + const npts = [ this.currentPoint.clone() ].concat( pts ); + + const curve = new SplineCurve( npts ); + this.curves.push( curve ); + + this.currentPoint.copy( pts[ pts.length - 1 ] ); + + return this; + + } + + arc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); + + return this; + + } + + absarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + return this; + + } + + ellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + return this; + + } + + absellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + const curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + if ( this.curves.length > 0 ) { + + // if a previous curve is present, attempt to join + const firstPoint = curve.getPoint( 0 ); + + if ( ! firstPoint.equals( this.currentPoint ) ) { + + this.lineTo( firstPoint.x, firstPoint.y ); + + } + + } + + this.curves.push( curve ); + + const lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); + + return this; + + } + + copy( source ) { + + super.copy( source ); + + this.currentPoint.copy( source.currentPoint ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.currentPoint = this.currentPoint.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.currentPoint.fromArray( json.currentPoint ); + + return this; + + } + +} + +class LatheGeometry extends BufferGeometry { + + constructor( points = [ new Vector2( 0, - 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) { + + super(); + + this.type = 'LatheGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + segments = Math.floor( segments ); + + // clamp phiLength so it's in range of [ 0, 2PI ] + + phiLength = clamp$1( phiLength, 0, Math.PI * 2 ); + + // buffers + + const indices = []; + const vertices = []; + const uvs = []; + const initNormals = []; + const normals = []; + + // helper variables + + const inverseSegments = 1.0 / segments; + const vertex = new Vector3(); + const uv = new Vector2(); + const normal = new Vector3(); + const curNormal = new Vector3(); + const prevNormal = new Vector3(); + let dx = 0; + let dy = 0; + + // pre-compute normals for initial "meridian" + + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + + switch ( j ) { + + case 0: // special handling for 1st vertex on path + + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + + prevNormal.copy( normal ); + + normal.normalize(); + + initNormals.push( normal.x, normal.y, normal.z ); + + break; + + case ( points.length - 1 ): // special handling for last Vertex on path + + initNormals.push( prevNormal.x, prevNormal.y, prevNormal.z ); + + break; + + default: // default handling for all vertices in between + + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + + curNormal.copy( normal ); + + normal.x += prevNormal.x; + normal.y += prevNormal.y; + normal.z += prevNormal.z; + + normal.normalize(); + + initNormals.push( normal.x, normal.y, normal.z ); + + prevNormal.copy( curNormal ); + + } + + } + + // generate vertices, uvs and normals + + for ( let i = 0; i <= segments; i ++ ) { + + const phi = phiStart + i * inverseSegments * phiLength; + + const sin = Math.sin( phi ); + const cos = Math.cos( phi ); + + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + + // vertex + + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // uv + + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + + uvs.push( uv.x, uv.y ); + + // normal + + const x = initNormals[ 3 * j + 0 ] * sin; + const y = initNormals[ 3 * j + 1 ]; + const z = initNormals[ 3 * j + 0 ] * cos; + + normals.push( x, y, z ); + + } + + } + + // indices + + for ( let i = 0; i < segments; i ++ ) { + + for ( let j = 0; j < ( points.length - 1 ); j ++ ) { + + const base = j + i * points.length; + + const a = base; + const b = base + points.length; + const c = base + points.length + 1; + const d = base + 1; + + // faces + + indices.push( a, b, d ); + indices.push( c, d, b ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength ); + + } + +} + +class CapsuleGeometry extends LatheGeometry { + + constructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) { + + const path = new Path(); + path.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 ); + path.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 ); + + super( path.getPoints( capSegments ), radialSegments ); + + this.type = 'CapsuleGeometry'; + + this.parameters = { + radius: radius, + length: length, + capSegments: capSegments, + radialSegments: radialSegments, + }; + + } + + static fromJSON( data ) { + + return new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments ); + + } + +} + +class CircleGeometry extends BufferGeometry { + + constructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + + this.type = 'CircleGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + segments = Math.max( 3, segments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const vertex = new Vector3(); + const uv = new Vector2(); + + // center point + + vertices.push( 0, 0, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( 0.5, 0.5 ); + + for ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) { + + const segment = thetaStart + s / segments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uvs + + uv.x = ( vertices[ i ] / radius + 1 ) / 2; + uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // indices + + for ( let i = 1; i <= segments; i ++ ) { + + indices.push( i, i + 1, 0 ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength ); + + } + +} + +class CylinderGeometry extends BufferGeometry { + + constructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + + this.type = 'CylinderGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + const scope = this; + + radialSegments = Math.floor( radialSegments ); + heightSegments = Math.floor( heightSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let index = 0; + const indexArray = []; + const halfHeight = height / 2; + let groupStart = 0; + + // generate geometry + + generateTorso(); + + if ( openEnded === false ) { + + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function generateTorso() { + + const normal = new Vector3(); + const vertex = new Vector3(); + + let groupCount = 0; + + // this will be used to calculate the normal + const slope = ( radiusBottom - radiusTop ) / height; + + // generate vertices, normals and uvs + + for ( let y = 0; y <= heightSegments; y ++ ) { + + const indexRow = []; + + const v = y / heightSegments; + + // calculate the radius of the current row + + const radius = v * ( radiusBottom - radiusTop ) + radiusTop; + + for ( let x = 0; x <= radialSegments; x ++ ) { + + const u = x / radialSegments; + + const theta = u * thetaLength + thetaStart; + + const sinTheta = Math.sin( theta ); + const cosTheta = Math.cos( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u, 1 - v ); + + // save index of vertex in respective row + + indexRow.push( index ++ ); + + } + + // now save vertices of the row in our index array + + indexArray.push( indexRow ); + + } + + // generate indices + + for ( let x = 0; x < radialSegments; x ++ ) { + + for ( let y = 0; y < heightSegments; y ++ ) { + + // we use the index array to access the correct indices + + const a = indexArray[ y ][ x ]; + const b = indexArray[ y + 1 ][ x ]; + const c = indexArray[ y + 1 ][ x + 1 ]; + const d = indexArray[ y ][ x + 1 ]; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // update group counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, 0 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + + function generateCap( top ) { + + // save the index of the first center vertex + const centerIndexStart = index; + + const uv = new Vector2(); + const vertex = new Vector3(); + + let groupCount = 0; + + const radius = ( top === true ) ? radiusTop : radiusBottom; + const sign = ( top === true ) ? 1 : - 1; + + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment + + for ( let x = 1; x <= radialSegments; x ++ ) { + + // vertex + + vertices.push( 0, halfHeight * sign, 0 ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uvs.push( 0.5, 0.5 ); + + // increase index + + index ++; + + } + + // save the index of the last center vertex + const centerIndexEnd = index; + + // now we generate the surrounding vertices, normals and uvs + + for ( let x = 0; x <= radialSegments; x ++ ) { + + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + + const cosTheta = Math.cos( theta ); + const sinTheta = Math.sin( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.push( uv.x, uv.y ); + + // increase index + + index ++; + + } + + // generate indices + + for ( let x = 0; x < radialSegments; x ++ ) { + + const c = centerIndexStart + x; + const i = centerIndexEnd + x; + + if ( top === true ) { + + // face top + + indices.push( i, i + 1, c ); + + } else { + + // face bottom + + indices.push( i + 1, i, c ); + + } + + groupCount += 3; + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + + } + +} + +class ConeGeometry extends CylinderGeometry { + + constructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + } + + static fromJSON( data ) { + + return new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + + } + +} + +class PolyhedronGeometry extends BufferGeometry { + + constructor( vertices = [], indices = [], radius = 1, detail = 0 ) { + + super(); + + this.type = 'PolyhedronGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + // default buffer data + + const vertexBuffer = []; + const uvBuffer = []; + + // the subdivision creates the vertex buffer data + + subdivide( detail ); + + // all vertices should lie on a conceptual sphere with a given radius + + applyRadius( radius ); + + // finally, create the uv data + + generateUVs(); + + // build non-indexed geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) ); + + if ( detail === 0 ) { + + this.computeVertexNormals(); // flat normals + + } else { + + this.normalizeNormals(); // smooth normals + + } + + // helper functions + + function subdivide( detail ) { + + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + + // iterate over all faces and apply a subdivision with the given detail value + + for ( let i = 0; i < indices.length; i += 3 ) { + + // get the vertices of the face + + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); + + // perform subdivision + + subdivideFace( a, b, c, detail ); + + } + + } + + function subdivideFace( a, b, c, detail ) { + + const cols = detail + 1; + + // we use this multidimensional array as a data structure for creating the subdivision + + const v = []; + + // construct all of the vertices for this subdivision + + for ( let i = 0; i <= cols; i ++ ) { + + v[ i ] = []; + + const aj = a.clone().lerp( c, i / cols ); + const bj = b.clone().lerp( c, i / cols ); + + const rows = cols - i; + + for ( let j = 0; j <= rows; j ++ ) { + + if ( j === 0 && i === cols ) { + + v[ i ][ j ] = aj; + + } else { + + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + + } + + } + + } + + // construct all of the faces + + for ( let i = 0; i < cols; i ++ ) { + + for ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + + const k = Math.floor( j / 2 ); + + if ( j % 2 === 0 ) { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); + + } else { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + + } + + } + + } + + } + + function applyRadius( radius ) { + + const vertex = new Vector3(); + + // iterate over the entire buffer and apply the radius to each vertex + + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + vertex.normalize().multiplyScalar( radius ); + + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; + + } + + } + + function generateUVs() { + + const vertex = new Vector3(); + + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + const u = azimuth( vertex ) / 2 / Math.PI + 0.5; + const v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); + + } + + correctUVs(); + + correctSeam(); + + } + + function correctSeam() { + + // handle case when face straddles the seam, see #3269 + + for ( let i = 0; i < uvBuffer.length; i += 6 ) { + + // uv data of a single face + + const x0 = uvBuffer[ i + 0 ]; + const x1 = uvBuffer[ i + 2 ]; + const x2 = uvBuffer[ i + 4 ]; + + const max = Math.max( x0, x1, x2 ); + const min = Math.min( x0, x1, x2 ); + + // 0.9 is somewhat arbitrary + + if ( max > 0.9 && min < 0.1 ) { + + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + + } + + } + + } + + function pushVertex( vertex ) { + + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + + } + + function getVertexByIndex( index, vertex ) { + + const stride = index * 3; + + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; + + } + + function correctUVs() { + + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + + const centroid = new Vector3(); + + const uvA = new Vector2(); + const uvB = new Vector2(); + const uvC = new Vector2(); + + for ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + + const azi = azimuth( centroid ); + + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); + + } + + } + + function correctUV( uv, stride, vector, azimuth ) { + + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; + + } + + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + + } + + } + + // Angle around the Y axis, counter-clockwise when looking from above. + + function azimuth( vector ) { + + return Math.atan2( vector.z, - vector.x ); + + } + + + // Angle above the XZ plane. + + function inclination( vector ) { + + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details ); + + } + +} + +class DodecahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + const r = 1 / t; + + const vertices = [ + + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, + + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, + + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, + + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; + + const indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'DodecahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new DodecahedronGeometry( data.radius, data.detail ); + + } + +} + +const _v0 = /*@__PURE__*/ new Vector3(); +const _v1$1 = /*@__PURE__*/ new Vector3(); +const _normal$1 = /*@__PURE__*/ new Vector3(); +const _triangle = /*@__PURE__*/ new Triangle(); + +class EdgesGeometry extends BufferGeometry { + + constructor( geometry = null, thresholdAngle = 1 ) { + + super(); + + this.type = 'EdgesGeometry'; + + this.parameters = { + geometry: geometry, + thresholdAngle: thresholdAngle + }; + + if ( geometry !== null ) { + + const precisionPoints = 4; + const precision = Math.pow( 10, precisionPoints ); + const thresholdDot = Math.cos( DEG2RAD * thresholdAngle ); + + const indexAttr = geometry.getIndex(); + const positionAttr = geometry.getAttribute( 'position' ); + const indexCount = indexAttr ? indexAttr.count : positionAttr.count; + + const indexArr = [ 0, 0, 0 ]; + const vertKeys = [ 'a', 'b', 'c' ]; + const hashes = new Array( 3 ); + + const edgeData = {}; + const vertices = []; + for ( let i = 0; i < indexCount; i += 3 ) { + + if ( indexAttr ) { + + indexArr[ 0 ] = indexAttr.getX( i ); + indexArr[ 1 ] = indexAttr.getX( i + 1 ); + indexArr[ 2 ] = indexAttr.getX( i + 2 ); + + } else { + + indexArr[ 0 ] = i; + indexArr[ 1 ] = i + 1; + indexArr[ 2 ] = i + 2; + + } + + const { a, b, c } = _triangle; + a.fromBufferAttribute( positionAttr, indexArr[ 0 ] ); + b.fromBufferAttribute( positionAttr, indexArr[ 1 ] ); + c.fromBufferAttribute( positionAttr, indexArr[ 2 ] ); + _triangle.getNormal( _normal$1 ); + + // create hashes for the edge from the vertices + hashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`; + hashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`; + hashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`; + + // skip degenerate triangles + if ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) { + + continue; + + } + + // iterate over every edge + for ( let j = 0; j < 3; j ++ ) { + + // get the first and next vertex making up the edge + const jNext = ( j + 1 ) % 3; + const vecHash0 = hashes[ j ]; + const vecHash1 = hashes[ jNext ]; + const v0 = _triangle[ vertKeys[ j ] ]; + const v1 = _triangle[ vertKeys[ jNext ] ]; + + const hash = `${ vecHash0 }_${ vecHash1 }`; + const reverseHash = `${ vecHash1 }_${ vecHash0 }`; + + if ( reverseHash in edgeData && edgeData[ reverseHash ] ) { + + // if we found a sibling edge add it into the vertex array if + // it meets the angle threshold and delete the edge from the map. + if ( _normal$1.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) { + + vertices.push( v0.x, v0.y, v0.z ); + vertices.push( v1.x, v1.y, v1.z ); + + } + + edgeData[ reverseHash ] = null; + + } else if ( ! ( hash in edgeData ) ) { + + // if we've already got an edge here then skip adding a new one + edgeData[ hash ] = { + + index0: indexArr[ j ], + index1: indexArr[ jNext ], + normal: _normal$1.clone(), + + }; + + } + + } + + } + + // iterate over all remaining, unmatched edges and add them to the vertex array + for ( const key in edgeData ) { + + if ( edgeData[ key ] ) { + + const { index0, index1 } = edgeData[ key ]; + _v0.fromBufferAttribute( positionAttr, index0 ); + _v1$1.fromBufferAttribute( positionAttr, index1 ); + + vertices.push( _v0.x, _v0.y, _v0.z ); + vertices.push( _v1$1.x, _v1$1.y, _v1$1.z ); + + } + + } + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + +} + +class Shape extends Path { + + constructor( points ) { + + super( points ); + + this.uuid = generateUUID(); + + this.type = 'Shape'; + + this.holes = []; + + } + + getPointsHoles( divisions ) { + + const holesPts = []; + + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + + } + + return holesPts; + + } + + // get points of shape and holes (keypoints based on segments parameter) + + extractPoints( divisions ) { + + return { + + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + + }; + + } + + copy( source ) { + + super.copy( source ); + + this.holes = []; + + for ( let i = 0, l = source.holes.length; i < l; i ++ ) { + + const hole = source.holes[ i ]; + + this.holes.push( hole.clone() ); + + } + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.uuid = this.uuid; + data.holes = []; + + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + + const hole = this.holes[ i ]; + data.holes.push( hole.toJSON() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.uuid = json.uuid; + this.holes = []; + + for ( let i = 0, l = json.holes.length; i < l; i ++ ) { + + const hole = json.holes[ i ]; + this.holes.push( new Path().fromJSON( hole ) ); + + } + + return this; + + } + +} + +/** + * Port from https://github.com/mapbox/earcut (v2.2.4) + */ + +const Earcut = { + + triangulate: function ( data, holeIndices, dim = 2 ) { + + const hasHoles = holeIndices && holeIndices.length; + const outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length; + let outerNode = linkedList( data, 0, outerLen, dim, true ); + const triangles = []; + + if ( ! outerNode || outerNode.next === outerNode.prev ) return triangles; + + let minX, minY, maxX, maxY, x, y, invSize; + + if ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim ); + + // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox + if ( data.length > 80 * dim ) { + + minX = maxX = data[ 0 ]; + minY = maxY = data[ 1 ]; + + for ( let i = dim; i < outerLen; i += dim ) { + + x = data[ i ]; + y = data[ i + 1 ]; + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + + } + + // minX, minY and invSize are later used to transform coords into integers for z-order calculation + invSize = Math.max( maxX - minX, maxY - minY ); + invSize = invSize !== 0 ? 32767 / invSize : 0; + + } + + earcutLinked( outerNode, triangles, dim, minX, minY, invSize, 0 ); + + return triangles; + + } + +}; + +// create a circular doubly linked list from polygon points in the specified winding order +function linkedList( data, start, end, dim, clockwise ) { + + let i, last; + + if ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) { + + for ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } else { + + for ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } + + if ( last && equals$1( last, last.next ) ) { + + removeNode( last ); + last = last.next; + + } + + return last; + +} + +// eliminate colinear or duplicate points +function filterPoints( start, end ) { + + if ( ! start ) return start; + if ( ! end ) end = start; + + let p = start, + again; + do { + + again = false; + + if ( ! p.steiner && ( equals$1( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) { + + removeNode( p ); + p = end = p.prev; + if ( p === p.next ) break; + again = true; + + } else { + + p = p.next; + + } + + } while ( again || p !== end ); + + return end; + +} + +// main ear slicing loop which triangulates a polygon (given as a linked list) +function earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) { + + if ( ! ear ) return; + + // interlink polygon nodes in z-order + if ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize ); + + let stop = ear, + prev, next; + + // iterate through ears, slicing them one by one + while ( ear.prev !== ear.next ) { + + prev = ear.prev; + next = ear.next; + + if ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) { + + // cut off the triangle + triangles.push( prev.i / dim | 0 ); + triangles.push( ear.i / dim | 0 ); + triangles.push( next.i / dim | 0 ); + + removeNode( ear ); + + // skipping the next vertex leads to less sliver triangles + ear = next.next; + stop = next.next; + + continue; + + } + + ear = next; + + // if we looped through the whole remaining polygon and can't find any more ears + if ( ear === stop ) { + + // try filtering points and slicing again + if ( ! pass ) { + + earcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 ); + + // if this didn't work, try curing all small self-intersections locally + + } else if ( pass === 1 ) { + + ear = cureLocalIntersections( filterPoints( ear ), triangles, dim ); + earcutLinked( ear, triangles, dim, minX, minY, invSize, 2 ); + + // as a last resort, try splitting the remaining polygon into two + + } else if ( pass === 2 ) { + + splitEarcut( ear, triangles, dim, minX, minY, invSize ); + + } + + break; + + } + + } + +} + +// check whether a polygon node forms a valid ear with adjacent nodes +function isEar( ear ) { + + const a = ear.prev, + b = ear, + c = ear.next; + + if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + // now make sure we don't have other points inside the potential ear + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + + // triangle bbox; min & max are calculated like this for speed + const x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ), + y0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ), + x1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ), + y1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy ); + + let p = c.next; + while ( p !== a ) { + + if ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && + pointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && + area( p.prev, p, p.next ) >= 0 ) return false; + p = p.next; + + } + + return true; + +} + +function isEarHashed( ear, minX, minY, invSize ) { + + const a = ear.prev, + b = ear, + c = ear.next; + + if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + + // triangle bbox; min & max are calculated like this for speed + const x0 = ax < bx ? ( ax < cx ? ax : cx ) : ( bx < cx ? bx : cx ), + y0 = ay < by ? ( ay < cy ? ay : cy ) : ( by < cy ? by : cy ), + x1 = ax > bx ? ( ax > cx ? ax : cx ) : ( bx > cx ? bx : cx ), + y1 = ay > by ? ( ay > cy ? ay : cy ) : ( by > cy ? by : cy ); + + // z-order range for the current triangle bbox; + const minZ = zOrder( x0, y0, minX, minY, invSize ), + maxZ = zOrder( x1, y1, minX, minY, invSize ); + + let p = ear.prevZ, + n = ear.nextZ; + + // look for points inside the triangle in both directions + while ( p && p.z >= minZ && n && n.z <= maxZ ) { + + if ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && + pointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + if ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && + pointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + // look for remaining points in decreasing z-order + while ( p && p.z >= minZ ) { + + if ( p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && + pointInTriangle( ax, ay, bx, by, cx, cy, p.x, p.y ) && area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + } + + // look for remaining points in increasing z-order + while ( n && n.z <= maxZ ) { + + if ( n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && + pointInTriangle( ax, ay, bx, by, cx, cy, n.x, n.y ) && area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + return true; + +} + +// go through all polygon nodes and cure small local self-intersections +function cureLocalIntersections( start, triangles, dim ) { + + let p = start; + do { + + const a = p.prev, + b = p.next.next; + + if ( ! equals$1( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) { + + triangles.push( a.i / dim | 0 ); + triangles.push( p.i / dim | 0 ); + triangles.push( b.i / dim | 0 ); + + // remove two nodes involved + removeNode( p ); + removeNode( p.next ); + + p = start = b; + + } + + p = p.next; + + } while ( p !== start ); + + return filterPoints( p ); + +} + +// try splitting polygon into two and triangulate them independently +function splitEarcut( start, triangles, dim, minX, minY, invSize ) { + + // look for a valid diagonal that divides the polygon into two + let a = start; + do { + + let b = a.next.next; + while ( b !== a.prev ) { + + if ( a.i !== b.i && isValidDiagonal( a, b ) ) { + + // split the polygon in two by the diagonal + let c = splitPolygon( a, b ); + + // filter colinear points around the cuts + a = filterPoints( a, a.next ); + c = filterPoints( c, c.next ); + + // run earcut on each half + earcutLinked( a, triangles, dim, minX, minY, invSize, 0 ); + earcutLinked( c, triangles, dim, minX, minY, invSize, 0 ); + return; + + } + + b = b.next; + + } + + a = a.next; + + } while ( a !== start ); + +} + +// link every hole into the outer loop, producing a single-ring polygon without holes +function eliminateHoles( data, holeIndices, outerNode, dim ) { + + const queue = []; + let i, len, start, end, list; + + for ( i = 0, len = holeIndices.length; i < len; i ++ ) { + + start = holeIndices[ i ] * dim; + end = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length; + list = linkedList( data, start, end, dim, false ); + if ( list === list.next ) list.steiner = true; + queue.push( getLeftmost( list ) ); + + } + + queue.sort( compareX ); + + // process holes from left to right + for ( i = 0; i < queue.length; i ++ ) { + + outerNode = eliminateHole( queue[ i ], outerNode ); + + } + + return outerNode; + +} + +function compareX( a, b ) { + + return a.x - b.x; + +} + +// find a bridge between vertices that connects hole with an outer ring and link it +function eliminateHole( hole, outerNode ) { + + const bridge = findHoleBridge( hole, outerNode ); + if ( ! bridge ) { + + return outerNode; + + } + + const bridgeReverse = splitPolygon( bridge, hole ); + + // filter collinear points around the cuts + filterPoints( bridgeReverse, bridgeReverse.next ); + return filterPoints( bridge, bridge.next ); + +} + +// David Eberly's algorithm for finding a bridge between hole and outer polygon +function findHoleBridge( hole, outerNode ) { + + let p = outerNode, + qx = - Infinity, + m; + + const hx = hole.x, hy = hole.y; + + // find a segment intersected by a ray from the hole's leftmost point to the left; + // segment's endpoint with lesser x will be potential connection point + do { + + if ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) { + + const x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y ); + if ( x <= hx && x > qx ) { + + qx = x; + m = p.x < p.next.x ? p : p.next; + if ( x === hx ) return m; // hole touches outer segment; pick leftmost endpoint + + } + + } + + p = p.next; + + } while ( p !== outerNode ); + + if ( ! m ) return null; + + // look for points inside the triangle of hole point, segment intersection and endpoint; + // if there are no points found, we have a valid connection; + // otherwise choose the point of the minimum angle with the ray as connection point + + const stop = m, + mx = m.x, + my = m.y; + let tanMin = Infinity, tan; + + p = m; + + do { + + if ( hx >= p.x && p.x >= mx && hx !== p.x && + pointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) { + + tan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential + + if ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) { + + m = p; + tanMin = tan; + + } + + } + + p = p.next; + + } while ( p !== stop ); + + return m; + +} + +// whether sector in vertex m contains sector in vertex p in the same coordinates +function sectorContainsSector( m, p ) { + + return area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0; + +} + +// interlink polygon nodes in z-order +function indexCurve( start, minX, minY, invSize ) { + + let p = start; + do { + + if ( p.z === 0 ) p.z = zOrder( p.x, p.y, minX, minY, invSize ); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + + } while ( p !== start ); + + p.prevZ.nextZ = null; + p.prevZ = null; + + sortLinked( p ); + +} + +// Simon Tatham's linked list merge sort algorithm +// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html +function sortLinked( list ) { + + let i, p, q, e, tail, numMerges, pSize, qSize, + inSize = 1; + + do { + + p = list; + list = null; + tail = null; + numMerges = 0; + + while ( p ) { + + numMerges ++; + q = p; + pSize = 0; + for ( i = 0; i < inSize; i ++ ) { + + pSize ++; + q = q.nextZ; + if ( ! q ) break; + + } + + qSize = inSize; + + while ( pSize > 0 || ( qSize > 0 && q ) ) { + + if ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) { + + e = p; + p = p.nextZ; + pSize --; + + } else { + + e = q; + q = q.nextZ; + qSize --; + + } + + if ( tail ) tail.nextZ = e; + else list = e; + + e.prevZ = tail; + tail = e; + + } + + p = q; + + } + + tail.nextZ = null; + inSize *= 2; + + } while ( numMerges > 1 ); + + return list; + +} + +// z-order of a point given coords and inverse of the longer side of data bbox +function zOrder( x, y, minX, minY, invSize ) { + + // coords are transformed into non-negative 15-bit integer range + x = ( x - minX ) * invSize | 0; + y = ( y - minY ) * invSize | 0; + + x = ( x | ( x << 8 ) ) & 0x00FF00FF; + x = ( x | ( x << 4 ) ) & 0x0F0F0F0F; + x = ( x | ( x << 2 ) ) & 0x33333333; + x = ( x | ( x << 1 ) ) & 0x55555555; + + y = ( y | ( y << 8 ) ) & 0x00FF00FF; + y = ( y | ( y << 4 ) ) & 0x0F0F0F0F; + y = ( y | ( y << 2 ) ) & 0x33333333; + y = ( y | ( y << 1 ) ) & 0x55555555; + + return x | ( y << 1 ); + +} + +// find the leftmost node of a polygon ring +function getLeftmost( start ) { + + let p = start, + leftmost = start; + do { + + if ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p; + p = p.next; + + } while ( p !== start ); + + return leftmost; + +} + +// check if a point lies within a convex triangle +function pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) { + + return ( cx - px ) * ( ay - py ) >= ( ax - px ) * ( cy - py ) && + ( ax - px ) * ( by - py ) >= ( bx - px ) * ( ay - py ) && + ( bx - px ) * ( cy - py ) >= ( cx - px ) * ( by - py ); + +} + +// check if a diagonal between two polygon nodes is valid (lies in polygon interior) +function isValidDiagonal( a, b ) { + + return a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // dones't intersect other edges + ( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible + ( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors + equals$1( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case + +} + +// signed area of a triangle +function area( p, q, r ) { + + return ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y ); + +} + +// check if two points are equal +function equals$1( p1, p2 ) { + + return p1.x === p2.x && p1.y === p2.y; + +} + +// check if two segments intersect +function intersects( p1, q1, p2, q2 ) { + + const o1 = sign$1( area( p1, q1, p2 ) ); + const o2 = sign$1( area( p1, q1, q2 ) ); + const o3 = sign$1( area( p2, q2, p1 ) ); + const o4 = sign$1( area( p2, q2, q1 ) ); + + if ( o1 !== o2 && o3 !== o4 ) return true; // general case + + if ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1 + if ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1 + if ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2 + if ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2 + + return false; + +} + +// for collinear points p, q, r, check if point q lies on segment pr +function onSegment( p, q, r ) { + + return q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y ); + +} + +function sign$1( num ) { + + return num > 0 ? 1 : num < 0 ? - 1 : 0; + +} + +// check if a polygon diagonal intersects any polygon segments +function intersectsPolygon( a, b ) { + + let p = a; + do { + + if ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && + intersects( p, p.next, a, b ) ) return true; + p = p.next; + + } while ( p !== a ); + + return false; + +} + +// check if a polygon diagonal is locally inside the polygon +function locallyInside( a, b ) { + + return area( a.prev, a, a.next ) < 0 ? + area( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 : + area( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0; + +} + +// check if the middle point of a polygon diagonal is inside the polygon +function middleInside( a, b ) { + + let p = a, + inside = false; + const px = ( a.x + b.x ) / 2, + py = ( a.y + b.y ) / 2; + do { + + if ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y && + ( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) ) + inside = ! inside; + p = p.next; + + } while ( p !== a ); + + return inside; + +} + +// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two; +// if one belongs to the outer ring and another to a hole, it merges it into a single ring +function splitPolygon( a, b ) { + + const a2 = new Node$1( a.i, a.x, a.y ), + b2 = new Node$1( b.i, b.x, b.y ), + an = a.next, + bp = b.prev; + + a.next = b; + b.prev = a; + + a2.next = an; + an.prev = a2; + + b2.next = a2; + a2.prev = b2; + + bp.next = b2; + b2.prev = bp; + + return b2; + +} + +// create a node and optionally link it with previous one (in a circular doubly linked list) +function insertNode( i, x, y, last ) { + + const p = new Node$1( i, x, y ); + + if ( ! last ) { + + p.prev = p; + p.next = p; + + } else { + + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + + } + + return p; + +} + +function removeNode( p ) { + + p.next.prev = p.prev; + p.prev.next = p.next; + + if ( p.prevZ ) p.prevZ.nextZ = p.nextZ; + if ( p.nextZ ) p.nextZ.prevZ = p.prevZ; + +} + +function Node$1( i, x, y ) { + + // vertex index in coordinates array + this.i = i; + + // vertex coordinates + this.x = x; + this.y = y; + + // previous and next vertex nodes in a polygon ring + this.prev = null; + this.next = null; + + // z-order curve value + this.z = 0; + + // previous and next nodes in z-order + this.prevZ = null; + this.nextZ = null; + + // indicates whether this is a steiner point + this.steiner = false; + +} + +function signedArea( data, start, end, dim ) { + + let sum = 0; + for ( let i = start, j = end - dim; i < end; i += dim ) { + + sum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] ); + j = i; + + } + + return sum; + +} + +class ShapeUtils { + + // calculate area of the contour polygon + + static area( contour ) { + + const n = contour.length; + let a = 0.0; + + for ( let p = n - 1, q = 0; q < n; p = q ++ ) { + + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + + } + + return a * 0.5; + + } + + static isClockWise( pts ) { + + return ShapeUtils.area( pts ) < 0; + + } + + static triangulateShape( contour, holes ) { + + const vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ] + const holeIndices = []; // array of hole indices + const faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ] + + removeDupEndPts( contour ); + addContour( vertices, contour ); + + // + + let holeIndex = contour.length; + + holes.forEach( removeDupEndPts ); + + for ( let i = 0; i < holes.length; i ++ ) { + + holeIndices.push( holeIndex ); + holeIndex += holes[ i ].length; + addContour( vertices, holes[ i ] ); + + } + + // + + const triangles = Earcut.triangulate( vertices, holeIndices ); + + // + + for ( let i = 0; i < triangles.length; i += 3 ) { + + faces.push( triangles.slice( i, i + 3 ) ); + + } + + return faces; + + } + +} + +function removeDupEndPts( points ) { + + const l = points.length; + + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + + points.pop(); + + } + +} + +function addContour( vertices, contour ) { + + for ( let i = 0; i < contour.length; i ++ ) { + + vertices.push( contour[ i ].x ); + vertices.push( contour[ i ].y ); + + } + +} + +/** + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * depth: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline (including bevelOffset) is bevel + * bevelOffset: , // how far from shape outline does bevel start + * bevelSegments: , // number of bevel layers + * + * extrudePath: // curve to extrude shape along + * + * UVGenerator: // object that provides UV generator functions + * + * } + */ + + +class ExtrudeGeometry extends BufferGeometry { + + constructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) { + + super(); + + this.type = 'ExtrudeGeometry'; + + this.parameters = { + shapes: shapes, + options: options + }; + + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + + const scope = this; + + const verticesArray = []; + const uvArray = []; + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + addShape( shape ); + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) ); + + this.computeVertexNormals(); + + // functions + + function addShape( shape ) { + + const placeholder = []; + + // options + + const curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + const steps = options.steps !== undefined ? options.steps : 1; + const depth = options.depth !== undefined ? options.depth : 1; + + let bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; + let bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2; + let bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1; + let bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0; + let bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + + const extrudePath = options.extrudePath; + + const uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator; + + // + + let extrudePts, extrudeByPath = false; + let splineTube, binormal, normal, position2; + + if ( extrudePath ) { + + extrudePts = extrudePath.getSpacedPoints( steps ); + + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion + + // SETUP TNB variables + + // TODO1 - have a .isClosed in spline? + + splineTube = extrudePath.computeFrenetFrames( steps, false ); + + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + + } + + // Safeguards if bevels are not enabled + + if ( ! bevelEnabled ) { + + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + + } + + // Variables initialization + + const shapePoints = shape.extractPoints( curveSegments ); + + let vertices = shapePoints.shape; + const holes = shapePoints.holes; + + const reverse = ! ShapeUtils.isClockWise( vertices ); + + if ( reverse ) { + + vertices = vertices.reverse(); + + // Maybe we should also check if holes are in the opposite direction, just to be safe ... + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + if ( ShapeUtils.isClockWise( ahole ) ) { + + holes[ h ] = ahole.reverse(); + + } + + } + + } + + + const faces = ShapeUtils.triangulateShape( vertices, holes ); + + /* Vertices */ + + const contour = vertices; // vertices has all points but contour has only points of circumference + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + vertices = vertices.concat( ahole ); + + } + + + function scalePt2( pt, vec, size ) { + + if ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' ); + + return pt.clone().addScaledVector( vec, size ); + + } + + const vlen = vertices.length, flen = faces.length; + + + // Find directions for point movement + + + function getBevelVec( inPt, inPrev, inNext ) { + + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. + + let v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt + + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html + + const v_prev_x = inPt.x - inPrev.x, + v_prev_y = inPt.y - inPrev.y; + const v_next_x = inNext.x - inPt.x, + v_next_y = inNext.y - inPt.y; + + const v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + + // check for collinear edges + const collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + if ( Math.abs( collinear0 ) > Number.EPSILON ) { + + // not collinear + + // length of vectors for normalizing + + const v_prev_len = Math.sqrt( v_prev_lensq ); + const v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + + // shift adjacent points by unit vectors to the left + + const ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + const ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + + const ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + const ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + + // scaling factor for v_prev to intersection point + + const sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + // vector from inPt to intersection point + + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + const v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { + + return new Vector2( v_trans_x, v_trans_y ); + + } else { + + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + + } + + } else { + + // handle special case of collinear edges + + let direction_eq = false; // assumes: opposite + + if ( v_prev_x > Number.EPSILON ) { + + if ( v_next_x > Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( v_prev_x < - Number.EPSILON ) { + + if ( v_next_x < - Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + + direction_eq = true; + + } + + } + + } + + if ( direction_eq ) { + + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); + + } else { + + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); + + } + + } + + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + + } + + + const contourMovements = []; + + for ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) + + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + + } + + const holesMovements = []; + let oneHoleMovements, verticesMovements = contourMovements.concat(); + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + oneHoleMovements = []; + + for ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + + } + + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); + + } + + + // Loop bevelSegments, 1 for the front, 1 for the back + + for ( let b = 0; b < bevelSegments; b ++ ) { + + //for ( b = bevelSegments; b > 0; b -- ) { + + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( let i = 0, il = contour.length; i < il; i ++ ) { + + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + // expand holes + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + } + + } + + const bs = bevelSize + bevelOffset; + + // Back facing vertices + + for ( let i = 0; i < vlen; i ++ ) { + + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, 0 ); + + } else { + + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + // Add stepped vertices... + // Including front facing vertices + + for ( let s = 1; s <= steps; s ++ ) { + + for ( let i = 0; i < vlen; i ++ ) { + + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth / steps * s ); + + } else { + + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + } + + + // Add bevel segments planes + + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( let b = bevelSegments - 1; b >= 0; b -- ) { + + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( let i = 0, il = contour.length; i < il; i ++ ) { + + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, depth + z ); + + } + + // expand holes + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth + z ); + + } else { + + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + + } + + } + + } + + } + + /* Faces */ + + // Top and bottom faces + + buildLidFaces(); + + // Sides faces + + buildSideFaces(); + + + ///// Internal functions + + function buildLidFaces() { + + const start = verticesArray.length / 3; + + if ( bevelEnabled ) { + + let layer = 0; // steps + 1 + let offset = vlen * layer; + + // Bottom faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + + } + + layer = steps + bevelSegments * 2; + offset = vlen * layer; + + // Top faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + + } + + } else { + + // Bottom faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + + } + + // Top faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + + } + + } + + scope.addGroup( start, verticesArray.length / 3 - start, 0 ); + + } + + // Create faces for the z-sides of the shape + + function buildSideFaces() { + + const start = verticesArray.length / 3; + let layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); + + //, true + layeroffset += ahole.length; + + } + + + scope.addGroup( start, verticesArray.length / 3 - start, 1 ); + + + } + + function sidewalls( contour, layeroffset ) { + + let i = contour.length; + + while ( -- i >= 0 ) { + + const j = i; + let k = i - 1; + if ( k < 0 ) k = contour.length - 1; + + //console.log('b', i,j, i-1, k,vertices.length); + + for ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) { + + const slen1 = vlen * s; + const slen2 = vlen * ( s + 1 ); + + const a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; + + f4( a, b, c, d ); + + } + + } + + } + + function v( x, y, z ) { + + placeholder.push( x ); + placeholder.push( y ); + placeholder.push( z ); + + } + + + function f3( a, b, c ) { + + addVertex( a ); + addVertex( b ); + addVertex( c ); + + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + + } + + function f4( a, b, c, d ) { + + addVertex( a ); + addVertex( b ); + addVertex( d ); + + addVertex( b ); + addVertex( c ); + addVertex( d ); + + + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 3 ] ); + + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + addUV( uvs[ 3 ] ); + + } + + function addVertex( index ) { + + verticesArray.push( placeholder[ index * 3 + 0 ] ); + verticesArray.push( placeholder[ index * 3 + 1 ] ); + verticesArray.push( placeholder[ index * 3 + 2 ] ); + + } + + + function addUV( vector2 ) { + + uvArray.push( vector2.x ); + uvArray.push( vector2.y ); + + } + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + const shapes = this.parameters.shapes; + const options = this.parameters.options; + + return toJSON$1( shapes, options, data ); + + } + + static fromJSON( data, shapes ) { + + const geometryShapes = []; + + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + const shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + const extrudePath = data.options.extrudePath; + + if ( extrudePath !== undefined ) { + + data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath ); + + } + + return new ExtrudeGeometry( geometryShapes, data.options ); + + } + +} + +const WorldUVGenerator = { + + generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) { + + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + + return [ + new Vector2( a_x, a_y ), + new Vector2( b_x, b_y ), + new Vector2( c_x, c_y ) + ]; + + }, + + generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) { + + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const a_z = vertices[ indexA * 3 + 2 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const b_z = vertices[ indexB * 3 + 2 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + const c_z = vertices[ indexC * 3 + 2 ]; + const d_x = vertices[ indexD * 3 ]; + const d_y = vertices[ indexD * 3 + 1 ]; + const d_z = vertices[ indexD * 3 + 2 ]; + + if ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) { + + return [ + new Vector2( a_x, 1 - a_z ), + new Vector2( b_x, 1 - b_z ), + new Vector2( c_x, 1 - c_z ), + new Vector2( d_x, 1 - d_z ) + ]; + + } else { + + return [ + new Vector2( a_y, 1 - a_z ), + new Vector2( b_y, 1 - b_z ), + new Vector2( c_y, 1 - c_z ), + new Vector2( d_y, 1 - d_z ) + ]; + + } + + } + +}; + +function toJSON$1( shapes, options, data ) { + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + data.options = Object.assign( {}, options ); + + if ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON(); + + return data; + +} + +class IcosahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + + const vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; + + const indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'IcosahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new IcosahedronGeometry( data.radius, data.detail ); + + } + +} + +class OctahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, + 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; + + const indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, + 0, 5, 2, 1, 2, 5, 1, 5, 3, + 1, 3, 4, 1, 4, 2 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'OctahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new OctahedronGeometry( data.radius, data.detail ); + + } + +} + +class PlaneGeometry extends BufferGeometry { + + constructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) { + + super(); + + this.type = 'PlaneGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + const width_half = width / 2; + const height_half = height / 2; + + const gridX = Math.floor( widthSegments ); + const gridY = Math.floor( heightSegments ); + + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + + const segment_width = width / gridX; + const segment_height = height / gridY; + + // + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + for ( let iy = 0; iy < gridY1; iy ++ ) { + + const y = iy * segment_height - height_half; + + for ( let ix = 0; ix < gridX1; ix ++ ) { + + const x = ix * segment_width - width_half; + + vertices.push( x, - y, 0 ); + + normals.push( 0, 0, 1 ); + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + } + + } + + for ( let iy = 0; iy < gridY; iy ++ ) { + + for ( let ix = 0; ix < gridX; ix ++ ) { + + const a = ix + gridX1 * iy; + const b = ix + gridX1 * ( iy + 1 ); + const c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = ( ix + 1 ) + gridX1 * iy; + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments ); + + } + +} + +class RingGeometry extends BufferGeometry { + + constructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + + this.type = 'RingGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + thetaSegments = Math.max( 3, thetaSegments ); + phiSegments = Math.max( 1, phiSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // some helper variables + + let radius = innerRadius; + const radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + const vertex = new Vector3(); + const uv = new Vector2(); + + // generate vertices, normals and uvs + + for ( let j = 0; j <= phiSegments; j ++ ) { + + for ( let i = 0; i <= thetaSegments; i ++ ) { + + // values are generate from the inside of the ring to the outside + + const segment = thetaStart + i / thetaSegments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uv + + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // increase the radius for next row of vertices + + radius += radiusStep; + + } + + // indices + + for ( let j = 0; j < phiSegments; j ++ ) { + + const thetaSegmentLevel = j * ( thetaSegments + 1 ); + + for ( let i = 0; i < thetaSegments; i ++ ) { + + const segment = i + thetaSegmentLevel; + + const a = segment; + const b = segment + thetaSegments + 1; + const c = segment + thetaSegments + 2; + const d = segment + 1; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength ); + + } + +} + +class ShapeGeometry extends BufferGeometry { + + constructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) { + + super(); + + this.type = 'ShapeGeometry'; + + this.parameters = { + shapes: shapes, + curveSegments: curveSegments + }; + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let groupStart = 0; + let groupCount = 0; + + // allow single and array values for "shapes" parameter + + if ( Array.isArray( shapes ) === false ) { + + addShape( shapes ); + + } else { + + for ( let i = 0; i < shapes.length; i ++ ) { + + addShape( shapes[ i ] ); + + this.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support + + groupStart += groupCount; + groupCount = 0; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + + // helper functions + + function addShape( shape ) { + + const indexOffset = vertices.length / 3; + const points = shape.extractPoints( curveSegments ); + + let shapeVertices = points.shape; + const shapeHoles = points.holes; + + // check direction of vertices + + if ( ShapeUtils.isClockWise( shapeVertices ) === false ) { + + shapeVertices = shapeVertices.reverse(); + + } + + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + + const shapeHole = shapeHoles[ i ]; + + if ( ShapeUtils.isClockWise( shapeHole ) === true ) { + + shapeHoles[ i ] = shapeHole.reverse(); + + } + + } + + const faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles ); + + // join vertices of inner and outer paths to a single array + + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + + const shapeHole = shapeHoles[ i ]; + shapeVertices = shapeVertices.concat( shapeHole ); + + } + + // vertices, normals, uvs + + for ( let i = 0, l = shapeVertices.length; i < l; i ++ ) { + + const vertex = shapeVertices[ i ]; + + vertices.push( vertex.x, vertex.y, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( vertex.x, vertex.y ); // world uvs + + } + + // indices + + for ( let i = 0, l = faces.length; i < l; i ++ ) { + + const face = faces[ i ]; + + const a = face[ 0 ] + indexOffset; + const b = face[ 1 ] + indexOffset; + const c = face[ 2 ] + indexOffset; + + indices.push( a, b, c ); + groupCount += 3; + + } + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + const shapes = this.parameters.shapes; + + return toJSON( shapes, data ); + + } + + static fromJSON( data, shapes ) { + + const geometryShapes = []; + + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + const shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + return new ShapeGeometry( geometryShapes, data.curveSegments ); + + } + +} + +function toJSON( shapes, data ) { + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + return data; + +} + +class SphereGeometry extends BufferGeometry { + + constructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) { + + super(); + + this.type = 'SphereGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + widthSegments = Math.max( 3, Math.floor( widthSegments ) ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) ); + + const thetaEnd = Math.min( thetaStart + thetaLength, Math.PI ); + + let index = 0; + const grid = []; + + const vertex = new Vector3(); + const normal = new Vector3(); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // generate vertices, normals and uvs + + for ( let iy = 0; iy <= heightSegments; iy ++ ) { + + const verticesRow = []; + + const v = iy / heightSegments; + + // special case for the poles + + let uOffset = 0; + + if ( iy === 0 && thetaStart === 0 ) { + + uOffset = 0.5 / widthSegments; + + } else if ( iy === heightSegments && thetaEnd === Math.PI ) { + + uOffset = - 0.5 / widthSegments; + + } + + for ( let ix = 0; ix <= widthSegments; ix ++ ) { + + const u = ix / widthSegments; + + // vertex + + vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + vertex.y = radius * Math.cos( thetaStart + v * thetaLength ); + vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.copy( vertex ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u + uOffset, 1 - v ); + + verticesRow.push( index ++ ); + + } + + grid.push( verticesRow ); + + } + + // indices + + for ( let iy = 0; iy < heightSegments; iy ++ ) { + + for ( let ix = 0; ix < widthSegments; ix ++ ) { + + const a = grid[ iy ][ ix + 1 ]; + const b = grid[ iy ][ ix ]; + const c = grid[ iy + 1 ][ ix ]; + const d = grid[ iy + 1 ][ ix + 1 ]; + + if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d ); + if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength ); + + } + +} + +class TetrahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; + + const indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'TetrahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new TetrahedronGeometry( data.radius, data.detail ); + + } + +} + +class TorusGeometry extends BufferGeometry { + + constructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) { + + super(); + + this.type = 'TorusGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + radialSegments = Math.floor( radialSegments ); + tubularSegments = Math.floor( tubularSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const center = new Vector3(); + const vertex = new Vector3(); + const normal = new Vector3(); + + // generate vertices, normals and uvs + + for ( let j = 0; j <= radialSegments; j ++ ) { + + for ( let i = 0; i <= tubularSegments; i ++ ) { + + const u = i / tubularSegments * arc; + const v = j / radialSegments * Math.PI * 2; + + // vertex + + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); + normal.subVectors( vertex, center ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( let j = 1; j <= radialSegments; j ++ ) { + + for ( let i = 1; i <= tubularSegments; i ++ ) { + + // indices + + const a = ( tubularSegments + 1 ) * j + i - 1; + const b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + const c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + const d = ( tubularSegments + 1 ) * j + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc ); + + } + +} + +class TorusKnotGeometry extends BufferGeometry { + + constructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) { + + super(); + + this.type = 'TorusKnotGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + tubularSegments = Math.floor( tubularSegments ); + radialSegments = Math.floor( radialSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const vertex = new Vector3(); + const normal = new Vector3(); + + const P1 = new Vector3(); + const P2 = new Vector3(); + + const B = new Vector3(); + const T = new Vector3(); + const N = new Vector3(); + + // generate vertices, normals and uvs + + for ( let i = 0; i <= tubularSegments; ++ i ) { + + // the radian "u" is used to calculate the position on the torus curve of the current tubular segment + + const u = i / tubularSegments * p * Math.PI * 2; + + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + + // calculate orthonormal basis + + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); + + // normalize B, N. T can be ignored, we don't use it + + B.normalize(); + N.normalize(); + + for ( let j = 0; j <= radialSegments; ++ j ) { + + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + + const v = j / radialSegments * Math.PI * 2; + const cx = - tube * Math.cos( v ); + const cy = tube * Math.sin( v ); + + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectors, then we add it to the current position on the curve + + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + + normal.subVectors( vertex, P1 ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( let j = 1; j <= tubularSegments; j ++ ) { + + for ( let i = 1; i <= radialSegments; i ++ ) { + + // indices + + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // this function calculates the current position on the torus curve + + function calculatePositionOnCurve( u, p, q, radius, position ) { + + const cu = Math.cos( u ); + const su = Math.sin( u ); + const quOverP = q / p * u; + const cs = Math.cos( quOverP ); + + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + static fromJSON( data ) { + + return new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q ); + + } + +} + +class TubeGeometry extends BufferGeometry { + + constructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) { + + super(); + + this.type = 'TubeGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + const frames = path.computeFrenetFrames( tubularSegments, closed ); + + // expose internals + + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + + // helper variables + + const vertex = new Vector3(); + const normal = new Vector3(); + const uv = new Vector2(); + let P = new Vector3(); + + // buffer + + const vertices = []; + const normals = []; + const uvs = []; + const indices = []; + + // create buffer data + + generateBufferData(); + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // functions + + function generateBufferData() { + + for ( let i = 0; i < tubularSegments; i ++ ) { + + generateSegment( i ); + + } + + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + + generateSegment( ( closed === false ) ? tubularSegments : 0 ); + + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries + + generateUVs(); + + // finally create faces + + generateIndices(); + + } + + function generateSegment( i ) { + + // we use getPointAt to sample evenly distributed points from the given path + + P = path.getPointAt( i / tubularSegments, P ); + + // retrieve corresponding normal and binormal + + const N = frames.normals[ i ]; + const B = frames.binormals[ i ]; + + // generate normals and vertices for the current segment + + for ( let j = 0; j <= radialSegments; j ++ ) { + + const v = j / radialSegments * Math.PI * 2; + + const sin = Math.sin( v ); + const cos = - Math.cos( v ); + + // normal + + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // vertex + + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + function generateIndices() { + + for ( let j = 1; j <= tubularSegments; j ++ ) { + + for ( let i = 1; i <= radialSegments; i ++ ) { + + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + } + + function generateUVs() { + + for ( let i = 0; i <= tubularSegments; i ++ ) { + + for ( let j = 0; j <= radialSegments; j ++ ) { + + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + + uvs.push( uv.x, uv.y ); + + } + + } + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.path = this.parameters.path.toJSON(); + + return data; + + } + + static fromJSON( data ) { + + // This only works for built-in curves (e.g. CatmullRomCurve3). + // User defined curves or instances of CurvePath will not be deserialized. + return new TubeGeometry( + new Curves[ data.path.type ]().fromJSON( data.path ), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + + } + +} + +class WireframeGeometry extends BufferGeometry { + + constructor( geometry = null ) { + + super(); + + this.type = 'WireframeGeometry'; + + this.parameters = { + geometry: geometry + }; + + if ( geometry !== null ) { + + // buffer + + const vertices = []; + const edges = new Set(); + + // helper variables + + const start = new Vector3(); + const end = new Vector3(); + + if ( geometry.index !== null ) { + + // indexed BufferGeometry + + const position = geometry.attributes.position; + const indices = geometry.index; + let groups = geometry.groups; + + if ( groups.length === 0 ) { + + groups = [ { start: 0, count: indices.count, materialIndex: 0 } ]; + + } + + // create a data structure that contains all edges without duplicates + + for ( let o = 0, ol = groups.length; o < ol; ++ o ) { + + const group = groups[ o ]; + + const groupStart = group.start; + const groupCount = group.count; + + for ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) { + + for ( let j = 0; j < 3; j ++ ) { + + const index1 = indices.getX( i + j ); + const index2 = indices.getX( i + ( j + 1 ) % 3 ); + + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + + if ( isUniqueEdge( start, end, edges ) === true ) { + + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + + } + + } + + } + + } + + } else { + + // non-indexed BufferGeometry + + const position = geometry.attributes.position; + + for ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) { + + for ( let j = 0; j < 3; j ++ ) { + + // three edges per triangle, an edge is represented as (index1, index2) + // e.g. the first triangle has the following edges: (0,1),(1,2),(2,0) + + const index1 = 3 * i + j; + const index2 = 3 * i + ( ( j + 1 ) % 3 ); + + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + + if ( isUniqueEdge( start, end, edges ) === true ) { + + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + + } + + } + + } + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + + } + + } + + copy( source ) { + + super.copy( source ); + + this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + +} + +function isUniqueEdge( start, end, edges ) { + + const hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`; + const hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge + + if ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) { + + return false; + + } else { + + edges.add( hash1 ); + edges.add( hash2 ); + return true; + + } + +} + +var Geometries$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + BoxGeometry: BoxGeometry, + CapsuleGeometry: CapsuleGeometry, + CircleGeometry: CircleGeometry, + ConeGeometry: ConeGeometry, + CylinderGeometry: CylinderGeometry, + DodecahedronGeometry: DodecahedronGeometry, + EdgesGeometry: EdgesGeometry, + ExtrudeGeometry: ExtrudeGeometry, + IcosahedronGeometry: IcosahedronGeometry, + LatheGeometry: LatheGeometry, + OctahedronGeometry: OctahedronGeometry, + PlaneGeometry: PlaneGeometry, + PolyhedronGeometry: PolyhedronGeometry, + RingGeometry: RingGeometry, + ShapeGeometry: ShapeGeometry, + SphereGeometry: SphereGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TorusGeometry: TorusGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TubeGeometry: TubeGeometry, + WireframeGeometry: WireframeGeometry +}); + +class ShadowMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isShadowMaterial = true; + + this.type = 'ShadowMaterial'; + + this.color = new Color( 0x000000 ); + this.transparent = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.fog = source.fog; + + return this; + + } + +} + +class RawShaderMaterial extends ShaderMaterial { + + constructor( parameters ) { + + super( parameters ); + + this.isRawShaderMaterial = true; + + this.type = 'RawShaderMaterial'; + + } + +} + +class MeshStandardMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshStandardMaterial = true; + + this.defines = { 'STANDARD': '' }; + + this.type = 'MeshStandardMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 1.0; + this.metalness = 0.0; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.roughnessMap = null; + + this.metalnessMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapRotation = new Euler(); + this.envMapIntensity = 1.0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.defines = { 'STANDARD': '' }; + + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.roughnessMap = source.roughnessMap; + + this.metalnessMap = source.metalnessMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.envMapIntensity = source.envMapIntensity; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshPhysicalMaterial extends MeshStandardMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshPhysicalMaterial = true; + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.type = 'MeshPhysicalMaterial'; + + this.anisotropyRotation = 0; + this.anisotropyMap = null; + + this.clearcoatMap = null; + this.clearcoatRoughness = 0.0; + this.clearcoatRoughnessMap = null; + this.clearcoatNormalScale = new Vector2( 1, 1 ); + this.clearcoatNormalMap = null; + + this.ior = 1.5; + + Object.defineProperty( this, 'reflectivity', { + get: function () { + + return ( clamp$1( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) ); + + }, + set: function ( reflectivity ) { + + this.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity ); + + } + } ); + + this.iridescenceMap = null; + this.iridescenceIOR = 1.3; + this.iridescenceThicknessRange = [ 100, 400 ]; + this.iridescenceThicknessMap = null; + + this.sheenColor = new Color( 0x000000 ); + this.sheenColorMap = null; + this.sheenRoughness = 1.0; + this.sheenRoughnessMap = null; + + this.transmissionMap = null; + + this.thickness = 0; + this.thicknessMap = null; + this.attenuationDistance = Infinity; + this.attenuationColor = new Color( 1, 1, 1 ); + + this.specularIntensity = 1.0; + this.specularIntensityMap = null; + this.specularColor = new Color( 1, 1, 1 ); + this.specularColorMap = null; + + this._anisotropy = 0; + this._clearcoat = 0; + this._dispersion = 0; + this._iridescence = 0; + this._sheen = 0.0; + this._transmission = 0; + + this.setValues( parameters ); + + } + + get anisotropy() { + + return this._anisotropy; + + } + + set anisotropy( value ) { + + if ( this._anisotropy > 0 !== value > 0 ) { + + this.version ++; + + } + + this._anisotropy = value; + + } + + get clearcoat() { + + return this._clearcoat; + + } + + set clearcoat( value ) { + + if ( this._clearcoat > 0 !== value > 0 ) { + + this.version ++; + + } + + this._clearcoat = value; + + } + + get iridescence() { + + return this._iridescence; + + } + + set iridescence( value ) { + + if ( this._iridescence > 0 !== value > 0 ) { + + this.version ++; + + } + + this._iridescence = value; + + } + + get dispersion() { + + return this._dispersion; + + } + + set dispersion( value ) { + + if ( this._dispersion > 0 !== value > 0 ) { + + this.version ++; + + } + + this._dispersion = value; + + } + + get sheen() { + + return this._sheen; + + } + + set sheen( value ) { + + if ( this._sheen > 0 !== value > 0 ) { + + this.version ++; + + } + + this._sheen = value; + + } + + get transmission() { + + return this._transmission; + + } + + set transmission( value ) { + + if ( this._transmission > 0 !== value > 0 ) { + + this.version ++; + + } + + this._transmission = value; + + } + + copy( source ) { + + super.copy( source ); + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.anisotropy = source.anisotropy; + this.anisotropyRotation = source.anisotropyRotation; + this.anisotropyMap = source.anisotropyMap; + + this.clearcoat = source.clearcoat; + this.clearcoatMap = source.clearcoatMap; + this.clearcoatRoughness = source.clearcoatRoughness; + this.clearcoatRoughnessMap = source.clearcoatRoughnessMap; + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy( source.clearcoatNormalScale ); + + this.dispersion = source.dispersion; + this.ior = source.ior; + + this.iridescence = source.iridescence; + this.iridescenceMap = source.iridescenceMap; + this.iridescenceIOR = source.iridescenceIOR; + this.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ]; + this.iridescenceThicknessMap = source.iridescenceThicknessMap; + + this.sheen = source.sheen; + this.sheenColor.copy( source.sheenColor ); + this.sheenColorMap = source.sheenColorMap; + this.sheenRoughness = source.sheenRoughness; + this.sheenRoughnessMap = source.sheenRoughnessMap; + + this.transmission = source.transmission; + this.transmissionMap = source.transmissionMap; + + this.thickness = source.thickness; + this.thicknessMap = source.thicknessMap; + this.attenuationDistance = source.attenuationDistance; + this.attenuationColor.copy( source.attenuationColor ); + + this.specularIntensity = source.specularIntensity; + this.specularIntensityMap = source.specularIntensityMap; + this.specularColor.copy( source.specularColor ); + this.specularColorMap = source.specularColorMap; + + return this; + + } + +} + +class MeshPhongMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshPhongMaterial = true; + + this.type = 'MeshPhongMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshToonMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshToonMaterial = true; + + this.defines = { 'TOON': '' }; + + this.type = 'MeshToonMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + this.gradientMap = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.alphaMap = null; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + this.gradientMap = source.gradientMap; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.alphaMap = source.alphaMap; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshNormalMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshNormalMaterial = true; + + this.type = 'MeshNormalMaterial'; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.flatShading = false; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.flatShading = source.flatShading; + + return this; + + } + +} + +class MeshLambertMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshLambertMaterial = true; + + this.type = 'MeshLambertMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshDepthMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshDepthMaterial = true; + + this.type = 'MeshDepthMaterial'; + + this.depthPacking = BasicDepthPacking; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.depthPacking = source.depthPacking; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + return this; + + } + +} + +class MeshDistanceMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshDistanceMaterial = true; + + this.type = 'MeshDistanceMaterial'; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + return this; + + } + +} + +class MeshMatcapMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshMatcapMaterial = true; + + this.defines = { 'MATCAP': '' }; + + this.type = 'MeshMatcapMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.matcap = null; + + this.map = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.alphaMap = null; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + + copy( source ) { + + super.copy( source ); + + this.defines = { 'MATCAP': '' }; + + this.color.copy( source.color ); + + this.matcap = source.matcap; + + this.map = source.map; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.alphaMap = source.alphaMap; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class LineDashedMaterial extends LineBasicMaterial { + + constructor( parameters ) { + + super(); + + this.isLineDashedMaterial = true; + + this.type = 'LineDashedMaterial'; + + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + + return this; + + } + +} + +// converts an array to a specific type +function convertArray( array, type, forceClone ) { + + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; + + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + + return new type( array ); // create typed array + + } + + return Array.prototype.slice.call( array ); // create Array + +} + +function isTypedArray( object ) { + + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); + +} + +// returns an array by which times and values can be sorted +function getKeyframeOrder( times ) { + + function compareTime( i, j ) { + + return times[ i ] - times[ j ]; + + } + + const n = times.length; + const result = new Array( n ); + for ( let i = 0; i !== n; ++ i ) result[ i ] = i; + + result.sort( compareTime ); + + return result; + +} + +// uses the array previously returned by 'getKeyframeOrder' to sort data +function sortedArray( values, stride, order ) { + + const nValues = values.length; + const result = new values.constructor( nValues ); + + for ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + + const srcOffset = order[ i ] * stride; + + for ( let j = 0; j !== stride; ++ j ) { + + result[ dstOffset ++ ] = values[ srcOffset + j ]; + + } + + } + + return result; + +} + +// function for parsing AOS keyframe formats +function flattenJSON( jsonKeys, times, values, valuePropertyName ) { + + let i = 1, key = jsonKeys[ 0 ]; + + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + + key = jsonKeys[ i ++ ]; + + } + + if ( key === undefined ) return; // no data + + let value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data + + if ( Array.isArray( value ) ) { + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push.apply( values, value ); // push all elements + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else if ( value.toArray !== undefined ) { + + // ...assume THREE.Math-ish + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + value.toArray( values, values.length ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else { + + // otherwise push as-is + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push( value ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } + +} + +function subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) { + + const clip = sourceClip.clone(); + + clip.name = name; + + const tracks = []; + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + const track = clip.tracks[ i ]; + const valueSize = track.getValueSize(); + + const times = []; + const values = []; + + for ( let j = 0; j < track.times.length; ++ j ) { + + const frame = track.times[ j ] * fps; + + if ( frame < startFrame || frame >= endFrame ) continue; + + times.push( track.times[ j ] ); + + for ( let k = 0; k < valueSize; ++ k ) { + + values.push( track.values[ j * valueSize + k ] ); + + } + + } + + if ( times.length === 0 ) continue; + + track.times = convertArray( times, track.times.constructor ); + track.values = convertArray( values, track.values.constructor ); + + tracks.push( track ); + + } + + clip.tracks = tracks; + + // find minimum .times value across all tracks in the trimmed clip + + let minStartTime = Infinity; + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + if ( minStartTime > clip.tracks[ i ].times[ 0 ] ) { + + minStartTime = clip.tracks[ i ].times[ 0 ]; + + } + + } + + // shift all tracks such that clip begins at t=0 + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + clip.tracks[ i ].shift( - 1 * minStartTime ); + + } + + clip.resetDuration(); + + return clip; + +} + +function makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) { + + if ( fps <= 0 ) fps = 30; + + const numTracks = referenceClip.tracks.length; + const referenceTime = referenceFrame / fps; + + // Make each track's values relative to the values at the reference frame + for ( let i = 0; i < numTracks; ++ i ) { + + const referenceTrack = referenceClip.tracks[ i ]; + const referenceTrackType = referenceTrack.ValueTypeName; + + // Skip this track if it's non-numeric + if ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue; + + // Find the track in the target clip whose name and type matches the reference track + const targetTrack = targetClip.tracks.find( function ( track ) { + + return track.name === referenceTrack.name + && track.ValueTypeName === referenceTrackType; + + } ); + + if ( targetTrack === undefined ) continue; + + let referenceOffset = 0; + const referenceValueSize = referenceTrack.getValueSize(); + + if ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + + referenceOffset = referenceValueSize / 3; + + } + + let targetOffset = 0; + const targetValueSize = targetTrack.getValueSize(); + + if ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + + targetOffset = targetValueSize / 3; + + } + + const lastIndex = referenceTrack.times.length - 1; + let referenceValue; + + // Find the value to subtract out of the track + if ( referenceTime <= referenceTrack.times[ 0 ] ) { + + // Reference frame is earlier than the first keyframe, so just use the first keyframe + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice( startIndex, endIndex ); + + } else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) { + + // Reference frame is after the last keyframe, so just use the last keyframe + const startIndex = lastIndex * referenceValueSize + referenceOffset; + const endIndex = startIndex + referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice( startIndex, endIndex ); + + } else { + + // Interpolate to the reference value + const interpolant = referenceTrack.createInterpolant(); + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + interpolant.evaluate( referenceTime ); + referenceValue = interpolant.resultBuffer.slice( startIndex, endIndex ); + + } + + // Conjugate the quaternion + if ( referenceTrackType === 'quaternion' ) { + + const referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate(); + referenceQuat.toArray( referenceValue ); + + } + + // Subtract the reference value from all of the track values + + const numTimes = targetTrack.times.length; + for ( let j = 0; j < numTimes; ++ j ) { + + const valueStart = j * targetValueSize + targetOffset; + + if ( referenceTrackType === 'quaternion' ) { + + // Multiply the conjugate for quaternion track types + Quaternion.multiplyQuaternionsFlat( + targetTrack.values, + valueStart, + referenceValue, + 0, + targetTrack.values, + valueStart + ); + + } else { + + const valueEnd = targetValueSize - targetOffset * 2; + + // Subtract each value for all other numeric track types + for ( let k = 0; k < valueEnd; ++ k ) { + + targetTrack.values[ valueStart + k ] -= referenceValue[ k ]; + + } + + } + + } + + } + + targetClip.blendMode = AdditiveAnimationBlendMode; + + return targetClip; + +} + +const AnimationUtils = { + convertArray: convertArray, + isTypedArray: isTypedArray, + getKeyframeOrder: getKeyframeOrder, + sortedArray: sortedArray, + flattenJSON: flattenJSON, + subclip: subclip, + makeClipAdditive: makeClipAdditive +}; + +/** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + */ + +class Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + + this.settings = null; + this.DefaultSettings_ = {}; + + } + + evaluate( t ) { + + const pp = this.parameterPositions; + let i1 = this._cachedIndex, + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; + + validate_interval: { + + seek: { + + let right; + + linear_scan: { + + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { + + for ( let giveUpAt = i1 + 2; ; ) { + + if ( t1 === undefined ) { + + if ( t < t0 ) break forward_scan; + + // after end + + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t0 = t1; + t1 = pp[ ++ i1 ]; + + if ( t < t1 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; + + } + + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { + + // looping? + + const t1global = pp[ 1 ]; + + if ( t < t1global ) { + + i1 = 2; // + 1, using the scan for the details + t0 = t1global; + + } + + // linear reverse scan + + for ( let giveUpAt = i1 - 2; ; ) { + + if ( t0 === undefined ) { + + // before start + + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t1 = t0; + t0 = pp[ -- i1 - 1 ]; + + if ( t >= t0 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; + + } + + // the interval is valid + + break validate_interval; + + } // linear scan + + // binary search + + while ( i1 < right ) { + + const mid = ( i1 + right ) >>> 1; + + if ( t < pp[ mid ] ) { + + right = mid; + + } else { + + i1 = mid + 1; + + } + + } + + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; + + // check boundary cases, again + + if ( t0 === undefined ) { + + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + + } + + if ( t1 === undefined ) { + + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + + } + + } // seek + + this._cachedIndex = i1; + + this.intervalChanged_( i1, t0, t1 ); + + } // validate_interval + + return this.interpolate_( i1, t0, t, t1 ); + + } + + getSettings_() { + + return this.settings || this.DefaultSettings_; + + } + + copySampleValue_( index ) { + + // copies a sample value to the result buffer + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = values[ offset + i ]; + + } + + return result; + + } + + // Template methods for derived classes: + + interpolate_( /* i1, t0, t, t1 */ ) { + + throw new Error( 'call to abstract method' ); + // implementations shall return this.resultBuffer + + } + + intervalChanged_( /* i1, t0, t1 */ ) { + + // empty + + } + +} + +/** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + */ + +class CubicInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + this._weightPrev = - 0; + this._offsetPrev = - 0; + this._weightNext = - 0; + this._offsetNext = - 0; + + this.DefaultSettings_ = { + + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + + }; + + } + + intervalChanged_( i1, t0, t1 ) { + + const pp = this.parameterPositions; + let iPrev = i1 - 2, + iNext = i1 + 1, + + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; + + if ( tPrev === undefined ) { + + switch ( this.getSettings_().endingStart ) { + + case ZeroSlopeEnding: + + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; + + } + + } + + if ( tNext === undefined ) { + + switch ( this.getSettings_().endingEnd ) { + + case ZeroSlopeEnding: + + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; + + } + + } + + const halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, + + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; + + // evaluate polynomials + + const sP = - wP * ppp + 2 * wP * pp - wP * p; + const s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1; + const s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + const sN = wN * ppp - wN * pp; + + // combine data linearly + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; + + } + + return result; + + } + +} + +class LinearInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset1 = i1 * stride, + offset0 = offset1 - stride, + + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; + + } + + return result; + + } + +} + +/** + * + * Interpolant that evaluates to the sample value at the position preceding + * the parameter. + */ + +class DiscreteInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1 /*, t0, t, t1 */ ) { + + return this.copySampleValue_( i1 - 1 ); + + } + +} + +class KeyframeTrack { + + constructor( name, times, values, interpolation ) { + + if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' ); + if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name ); + + this.name = name; + + this.times = convertArray( times, this.TimeBufferType ); + this.values = convertArray( values, this.ValueBufferType ); + + this.setInterpolation( interpolation || this.DefaultInterpolation ); + + } + + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): + + static toJSON( track ) { + + const trackType = track.constructor; + + let json; + + // derived classes can define a static toJSON method + if ( trackType.toJSON !== this.toJSON ) { + + json = trackType.toJSON( track ); + + } else { + + // by default, we assume the data can be serialized as-is + json = { + + 'name': track.name, + 'times': convertArray( track.times, Array ), + 'values': convertArray( track.values, Array ) + + }; + + const interpolation = track.getInterpolation(); + + if ( interpolation !== track.DefaultInterpolation ) { + + json.interpolation = interpolation; + + } + + } + + json.type = track.ValueTypeName; // mandatory + + return json; + + } + + InterpolantFactoryMethodDiscrete( result ) { + + return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + InterpolantFactoryMethodLinear( result ) { + + return new LinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + InterpolantFactoryMethodSmooth( result ) { + + return new CubicInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + setInterpolation( interpolation ) { + + let factoryMethod; + + switch ( interpolation ) { + + case InterpolateDiscrete: + + factoryMethod = this.InterpolantFactoryMethodDiscrete; + + break; + + case InterpolateLinear: + + factoryMethod = this.InterpolantFactoryMethodLinear; + + break; + + case InterpolateSmooth: + + factoryMethod = this.InterpolantFactoryMethodSmooth; + + break; + + } + + if ( factoryMethod === undefined ) { + + const message = 'unsupported interpolation for ' + + this.ValueTypeName + ' keyframe track named ' + this.name; + + if ( this.createInterpolant === undefined ) { + + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { + + this.setInterpolation( this.DefaultInterpolation ); + + } else { + + throw new Error( message ); // fatal, in this case + + } + + } + + console.warn( 'THREE.KeyframeTrack:', message ); + return this; + + } + + this.createInterpolant = factoryMethod; + + return this; + + } + + getInterpolation() { + + switch ( this.createInterpolant ) { + + case this.InterpolantFactoryMethodDiscrete: + + return InterpolateDiscrete; + + case this.InterpolantFactoryMethodLinear: + + return InterpolateLinear; + + case this.InterpolantFactoryMethodSmooth: + + return InterpolateSmooth; + + } + + } + + getValueSize() { + + return this.values.length / this.times.length; + + } + + // move all keyframes either forwards or backwards in time + shift( timeOffset ) { + + if ( timeOffset !== 0.0 ) { + + const times = this.times; + + for ( let i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] += timeOffset; + + } + + } + + return this; + + } + + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale( timeScale ) { + + if ( timeScale !== 1.0 ) { + + const times = this.times; + + for ( let i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] *= timeScale; + + } + + } + + return this; + + } + + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim( startTime, endTime ) { + + const times = this.times, + nKeys = times.length; + + let from = 0, + to = nKeys - 1; + + while ( from !== nKeys && times[ from ] < startTime ) { + + ++ from; + + } + + while ( to !== - 1 && times[ to ] > endTime ) { + + -- to; + + } + + ++ to; // inclusive -> exclusive bound + + if ( from !== 0 || to !== nKeys ) { + + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) { + + to = Math.max( to, 1 ); + from = to - 1; + + } + + const stride = this.getValueSize(); + this.times = times.slice( from, to ); + this.values = this.values.slice( from * stride, to * stride ); + + } + + return this; + + } + + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate() { + + let valid = true; + + const valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { + + console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this ); + valid = false; + + } + + const times = this.times, + values = this.values, + + nKeys = times.length; + + if ( nKeys === 0 ) { + + console.error( 'THREE.KeyframeTrack: Track is empty.', this ); + valid = false; + + } + + let prevTime = null; + + for ( let i = 0; i !== nKeys; i ++ ) { + + const currTime = times[ i ]; + + if ( typeof currTime === 'number' && isNaN( currTime ) ) { + + console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime ); + valid = false; + break; + + } + + if ( prevTime !== null && prevTime > currTime ) { + + console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime ); + valid = false; + break; + + } + + prevTime = currTime; + + } + + if ( values !== undefined ) { + + if ( isTypedArray( values ) ) { + + for ( let i = 0, n = values.length; i !== n; ++ i ) { + + const value = values[ i ]; + + if ( isNaN( value ) ) { + + console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value ); + valid = false; + break; + + } + + } + + } + + } + + return valid; + + } + + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize() { + + // times or values may be shared with other tracks, so overwriting is unsafe + const times = this.times.slice(), + values = this.values.slice(), + stride = this.getValueSize(), + + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + + lastIndex = times.length - 1; + + let writeIndex = 1; + + for ( let i = 1; i < lastIndex; ++ i ) { + + let keep = false; + + const time = times[ i ]; + const timeNext = times[ i + 1 ]; + + // remove adjacent keyframes scheduled at the same time + + if ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) { + + if ( ! smoothInterpolation ) { + + // remove unnecessary keyframes same as their neighbors + + const offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; + + for ( let j = 0; j !== stride; ++ j ) { + + const value = values[ offset + j ]; + + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { + + keep = true; + break; + + } + + } + + } else { + + keep = true; + + } + + } + + // in-place compaction + + if ( keep ) { + + if ( i !== writeIndex ) { + + times[ writeIndex ] = times[ i ]; + + const readOffset = i * stride, + writeOffset = writeIndex * stride; + + for ( let j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + } + + ++ writeIndex; + + } + + } + + // flush last keyframe (compaction looks ahead) + + if ( lastIndex > 0 ) { + + times[ writeIndex ] = times[ lastIndex ]; + + for ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + ++ writeIndex; + + } + + if ( writeIndex !== times.length ) { + + this.times = times.slice( 0, writeIndex ); + this.values = values.slice( 0, writeIndex * stride ); + + } else { + + this.times = times; + this.values = values; + + } + + return this; + + } + + clone() { + + const times = this.times.slice(); + const values = this.values.slice(); + + const TypedKeyframeTrack = this.constructor; + const track = new TypedKeyframeTrack( this.name, times, values ); + + // Interpolant argument to constructor is not saved, so copy the factory method directly. + track.createInterpolant = this.createInterpolant; + + return track; + + } + +} + +KeyframeTrack.prototype.TimeBufferType = Float32Array; +KeyframeTrack.prototype.ValueBufferType = Float32Array; +KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; + +/** + * A Track of Boolean keyframe values. + */ +class BooleanKeyframeTrack extends KeyframeTrack { + + // No interpolation parameter because only InterpolateDiscrete is valid. + constructor( name, times, values ) { + + super( name, times, values ); + + } + +} + +BooleanKeyframeTrack.prototype.ValueTypeName = 'bool'; +BooleanKeyframeTrack.prototype.ValueBufferType = Array; +BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track of keyframe values that represent color. + */ +class ColorKeyframeTrack extends KeyframeTrack {} + +ColorKeyframeTrack.prototype.ValueTypeName = 'color'; + +/** + * A Track of numeric keyframe values. + */ +class NumberKeyframeTrack extends KeyframeTrack {} + +NumberKeyframeTrack.prototype.ValueTypeName = 'number'; + +/** + * Spherical linear unit quaternion interpolant. + */ + +class QuaternionLinearInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + alpha = ( t - t0 ) / ( t1 - t0 ); + + let offset = i1 * stride; + + for ( let end = offset + stride; offset !== end; offset += 4 ) { + + Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha ); + + } + + return result; + + } + +} + +/** + * A Track of quaternion keyframe values. + */ +class QuaternionKeyframeTrack extends KeyframeTrack { + + InterpolantFactoryMethodLinear( result ) { + + return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + +} + +QuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion'; +// ValueBufferType is inherited +// DefaultInterpolation is inherited; +QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track that interpolates Strings + */ +class StringKeyframeTrack extends KeyframeTrack { + + // No interpolation parameter because only InterpolateDiscrete is valid. + constructor( name, times, values ) { + + super( name, times, values ); + + } + +} + +StringKeyframeTrack.prototype.ValueTypeName = 'string'; +StringKeyframeTrack.prototype.ValueBufferType = Array; +StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; +StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track of vectored keyframe values. + */ +class VectorKeyframeTrack extends KeyframeTrack {} + +VectorKeyframeTrack.prototype.ValueTypeName = 'vector'; + +class AnimationClip { + + constructor( name = '', duration = - 1, tracks = [], blendMode = NormalAnimationBlendMode ) { + + this.name = name; + this.tracks = tracks; + this.duration = duration; + this.blendMode = blendMode; + + this.uuid = generateUUID(); + + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { + + this.resetDuration(); + + } + + } + + + static parse( json ) { + + const tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); + + for ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) { + + tracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) ); + + } + + const clip = new this( json.name, json.duration, tracks, json.blendMode ); + clip.uuid = json.uuid; + + return clip; + + } + + static toJSON( clip ) { + + const tracks = [], + clipTracks = clip.tracks; + + const json = { + + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks, + 'uuid': clip.uuid, + 'blendMode': clip.blendMode + + }; + + for ( let i = 0, n = clipTracks.length; i !== n; ++ i ) { + + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + + } + + return json; + + } + + static CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) { + + const numMorphTargets = morphTargetSequence.length; + const tracks = []; + + for ( let i = 0; i < numMorphTargets; i ++ ) { + + let times = []; + let values = []; + + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); + + values.push( 0, 1, 0 ); + + const order = getKeyframeOrder( times ); + times = sortedArray( times, 1, order ); + values = sortedArray( values, 1, order ); + + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { + + times.push( numMorphTargets ); + values.push( values[ 0 ] ); + + } + + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + + } + + return new this( name, - 1, tracks ); + + } + + static findByName( objectOrClipArray, name ) { + + let clipArray = objectOrClipArray; + + if ( ! Array.isArray( objectOrClipArray ) ) { + + const o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + + } + + for ( let i = 0; i < clipArray.length; i ++ ) { + + if ( clipArray[ i ].name === name ) { + + return clipArray[ i ]; + + } + + } + + return null; + + } + + static CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) { + + const animationToMorphTargets = {}; + + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + const pattern = /^([\w-]*?)([\d]+)$/; + + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( let i = 0, il = morphTargets.length; i < il; i ++ ) { + + const morphTarget = morphTargets[ i ]; + const parts = morphTarget.name.match( pattern ); + + if ( parts && parts.length > 1 ) { + + const name = parts[ 1 ]; + + let animationMorphTargets = animationToMorphTargets[ name ]; + + if ( ! animationMorphTargets ) { + + animationToMorphTargets[ name ] = animationMorphTargets = []; + + } + + animationMorphTargets.push( morphTarget ); + + } + + } + + const clips = []; + + for ( const name in animationToMorphTargets ) { + + clips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + + } + + return clips; + + } + + // parse the animation.hierarchy format + static parseAnimation( animation, bones ) { + + if ( ! animation ) { + + console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' ); + return null; + + } + + const addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) { + + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { + + const times = []; + const values = []; + + flattenJSON( animationKeys, times, values, propertyName ); + + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { + + destTracks.push( new trackType( trackName, times, values ) ); + + } + + } + + }; + + const tracks = []; + + const clipName = animation.name || 'default'; + const fps = animation.fps || 30; + const blendMode = animation.blendMode; + + // automatic length determination in AnimationClip. + let duration = animation.length || - 1; + + const hierarchyTracks = animation.hierarchy || []; + + for ( let h = 0; h < hierarchyTracks.length; h ++ ) { + + const animationKeys = hierarchyTracks[ h ].keys; + + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; + + // process morph targets + if ( animationKeys[ 0 ].morphTargets ) { + + // figure out all morph targets used in this track + const morphTargetNames = {}; + + let k; + + for ( k = 0; k < animationKeys.length; k ++ ) { + + if ( animationKeys[ k ].morphTargets ) { + + for ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) { + + morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1; + + } + + } + + } + + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( const morphTargetName in morphTargetNames ) { + + const times = []; + const values = []; + + for ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) { + + const animationKey = animationKeys[ k ]; + + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + + } + + tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + + } + + duration = morphTargetNames.length * fps; + + } else { + + // ...assume skeletal animation + + const boneName = '.bones[' + bones[ h ].name + ']'; + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); + + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); + + } + + } + + if ( tracks.length === 0 ) { + + return null; + + } + + const clip = new this( clipName, duration, tracks, blendMode ); + + return clip; + + } + + resetDuration() { + + const tracks = this.tracks; + let duration = 0; + + for ( let i = 0, n = tracks.length; i !== n; ++ i ) { + + const track = this.tracks[ i ]; + + duration = Math.max( duration, track.times[ track.times.length - 1 ] ); + + } + + this.duration = duration; + + return this; + + } + + trim() { + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].trim( 0, this.duration ); + + } + + return this; + + } + + validate() { + + let valid = true; + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + valid = valid && this.tracks[ i ].validate(); + + } + + return valid; + + } + + optimize() { + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].optimize(); + + } + + return this; + + } + + clone() { + + const tracks = []; + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + tracks.push( this.tracks[ i ].clone() ); + + } + + return new this.constructor( this.name, this.duration, tracks, this.blendMode ); + + } + + toJSON() { + + return this.constructor.toJSON( this ); + + } + +} + +function getTrackTypeForValueTypeName( typeName ) { + + switch ( typeName.toLowerCase() ) { + + case 'scalar': + case 'double': + case 'float': + case 'number': + case 'integer': + + return NumberKeyframeTrack; + + case 'vector': + case 'vector2': + case 'vector3': + case 'vector4': + + return VectorKeyframeTrack; + + case 'color': + + return ColorKeyframeTrack; + + case 'quaternion': + + return QuaternionKeyframeTrack; + + case 'bool': + case 'boolean': + + return BooleanKeyframeTrack; + + case 'string': + + return StringKeyframeTrack; + + } + + throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName ); + +} + +function parseKeyframeTrack( json ) { + + if ( json.type === undefined ) { + + throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' ); + + } + + const trackType = getTrackTypeForValueTypeName( json.type ); + + if ( json.times === undefined ) { + + const times = [], values = []; + + flattenJSON( json.keys, times, values, 'value' ); + + json.times = times; + json.values = values; + + } + + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { + + return trackType.parse( json ); + + } else { + + // by default, we assume a constructor compatible with the base + return new trackType( json.name, json.times, json.values, json.interpolation ); + + } + +} + +const Cache = { + + enabled: false, + + files: {}, + + add: function ( key, file ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Adding key:', key ); + + this.files[ key ] = file; + + }, + + get: function ( key ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Checking key:', key ); + + return this.files[ key ]; + + }, + + remove: function ( key ) { + + delete this.files[ key ]; + + }, + + clear: function () { + + this.files = {}; + + } + +}; + +class LoadingManager { + + constructor( onLoad, onProgress, onError ) { + + const scope = this; + + let isLoading = false; + let itemsLoaded = 0; + let itemsTotal = 0; + let urlModifier = undefined; + const handlers = []; + + // Refer to #5689 for the reason why we don't set .onStart + // in the constructor + + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + + this.itemStart = function ( url ) { + + itemsTotal ++; + + if ( isLoading === false ) { + + if ( scope.onStart !== undefined ) { + + scope.onStart( url, itemsLoaded, itemsTotal ); + + } + + } + + isLoading = true; + + }; + + this.itemEnd = function ( url ) { + + itemsLoaded ++; + + if ( scope.onProgress !== undefined ) { + + scope.onProgress( url, itemsLoaded, itemsTotal ); + + } + + if ( itemsLoaded === itemsTotal ) { + + isLoading = false; + + if ( scope.onLoad !== undefined ) { + + scope.onLoad(); + + } + + } + + }; + + this.itemError = function ( url ) { + + if ( scope.onError !== undefined ) { + + scope.onError( url ); + + } + + }; + + this.resolveURL = function ( url ) { + + if ( urlModifier ) { + + return urlModifier( url ); + + } + + return url; + + }; + + this.setURLModifier = function ( transform ) { + + urlModifier = transform; + + return this; + + }; + + this.addHandler = function ( regex, loader ) { + + handlers.push( regex, loader ); + + return this; + + }; + + this.removeHandler = function ( regex ) { + + const index = handlers.indexOf( regex ); + + if ( index !== - 1 ) { + + handlers.splice( index, 2 ); + + } + + return this; + + }; + + this.getHandler = function ( file ) { + + for ( let i = 0, l = handlers.length; i < l; i += 2 ) { + + const regex = handlers[ i ]; + const loader = handlers[ i + 1 ]; + + if ( regex.global ) regex.lastIndex = 0; // see #17920 + + if ( regex.test( file ) ) { + + return loader; + + } + + } + + return null; + + }; + + } + +} + +const DefaultLoadingManager = /*@__PURE__*/ new LoadingManager(); + +class Loader { + + constructor( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + this.crossOrigin = 'anonymous'; + this.withCredentials = false; + this.path = ''; + this.resourcePath = ''; + this.requestHeader = {}; + + } + + load( /* url, onLoad, onProgress, onError */ ) {} + + loadAsync( url, onProgress ) { + + const scope = this; + + return new Promise( function ( resolve, reject ) { + + scope.load( url, resolve, onProgress, reject ); + + } ); + + } + + parse( /* data */ ) {} + + setCrossOrigin( crossOrigin ) { + + this.crossOrigin = crossOrigin; + return this; + + } + + setWithCredentials( value ) { + + this.withCredentials = value; + return this; + + } + + setPath( path ) { + + this.path = path; + return this; + + } + + setResourcePath( resourcePath ) { + + this.resourcePath = resourcePath; + return this; + + } + + setRequestHeader( requestHeader ) { + + this.requestHeader = requestHeader; + return this; + + } + +} + +Loader.DEFAULT_MATERIAL_NAME = '__DEFAULT'; + +const loading = {}; + +class HttpError extends Error { + + constructor( message, response ) { + + super( message ); + this.response = response; + + } + +} + +class FileLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + this.manager.itemStart( url ); + + setTimeout( () => { + + if ( onLoad ) onLoad( cached ); + + this.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + // Check if request is duplicate + + if ( loading[ url ] !== undefined ) { + + loading[ url ].push( { + + onLoad: onLoad, + onProgress: onProgress, + onError: onError + + } ); + + return; + + } + + // Initialise array for duplicate requests + loading[ url ] = []; + + loading[ url ].push( { + onLoad: onLoad, + onProgress: onProgress, + onError: onError, + } ); + + // create request + const req = new Request( url, { + headers: new Headers( this.requestHeader ), + credentials: this.withCredentials ? 'include' : 'same-origin', + // An abort controller could be added within a future PR + } ); + + // record states ( avoid data race ) + const mimeType = this.mimeType; + const responseType = this.responseType; + + // start the fetch + fetch( req ) + .then( response => { + + if ( response.status === 200 || response.status === 0 ) { + + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. + + if ( response.status === 0 ) { + + console.warn( 'THREE.FileLoader: HTTP Status 0 received.' ); + + } + + // Workaround: Checking if response.body === undefined for Alipay browser #23548 + + if ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) { + + return response; + + } + + const callbacks = loading[ url ]; + const reader = response.body.getReader(); + + // Nginx needs X-File-Size check + // https://serverfault.com/questions/482875/why-does-nginx-remove-content-length-header-for-chunked-content + const contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' ); + const total = contentLength ? parseInt( contentLength ) : 0; + const lengthComputable = total !== 0; + let loaded = 0; + + // periodically read data into the new stream tracking while download progress + const stream = new ReadableStream( { + start( controller ) { + + readData(); + + function readData() { + + reader.read().then( ( { done, value } ) => { + + if ( done ) { + + controller.close(); + + } else { + + loaded += value.byteLength; + + const event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } ); + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onProgress ) callback.onProgress( event ); + + } + + controller.enqueue( value ); + readData(); + + } + + }, ( e ) => { + + controller.error( e ); + + } ); + + } + + } + + } ); + + return new Response( stream ); + + } else { + + throw new HttpError( `fetch for "${response.url}" responded with ${response.status}: ${response.statusText}`, response ); + + } + + } ) + .then( response => { + + switch ( responseType ) { + + case 'arraybuffer': + + return response.arrayBuffer(); + + case 'blob': + + return response.blob(); + + case 'document': + + return response.text() + .then( text => { + + const parser = new DOMParser(); + return parser.parseFromString( text, mimeType ); + + } ); + + case 'json': + + return response.json(); + + default: + + if ( mimeType === undefined ) { + + return response.text(); + + } else { + + // sniff encoding + const re = /charset="?([^;"\s]*)"?/i; + const exec = re.exec( mimeType ); + const label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined; + const decoder = new TextDecoder( label ); + return response.arrayBuffer().then( ab => decoder.decode( ab ) ); + + } + + } + + } ) + .then( data => { + + // Add to cache only on HTTP success, so that we do not cache + // error response bodies as proper responses to requests. + Cache.add( url, data ); + + const callbacks = loading[ url ]; + delete loading[ url ]; + + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onLoad ) callback.onLoad( data ); + + } + + } ) + .catch( err => { + + // Abort errors and other errors are handled the same + + const callbacks = loading[ url ]; + + if ( callbacks === undefined ) { + + // When onLoad was called and url was deleted in `loading` + this.manager.itemError( url ); + throw err; + + } + + delete loading[ url ]; + + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( err ); + + } + + this.manager.itemError( url ); + + } ) + .finally( () => { + + this.manager.itemEnd( url ); + + } ); + + this.manager.itemStart( url ); + + } + + setResponseType( value ) { + + this.responseType = value; + return this; + + } + + setMimeType( value ) { + + this.mimeType = value; + return this; + + } + +} + +class AnimationLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const animations = []; + + for ( let i = 0; i < json.length; i ++ ) { + + const clip = AnimationClip.parse( json[ i ] ); + + animations.push( clip ); + + } + + return animations; + + } + +} + +/** + * Abstract Base class to block based textures loader (dds, pvr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +class CompressedTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const images = []; + + const texture = new CompressedTexture(); + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + + let loaded = 0; + + function loadTexture( i ) { + + loader.load( url[ i ], function ( buffer ) { + + const texDatas = scope.parse( buffer, true ); + + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + + loaded += 1; + + if ( loaded === 6 ) { + + if ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter; + + texture.image = images; + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, onProgress, onError ); + + } + + if ( Array.isArray( url ) ) { + + for ( let i = 0, il = url.length; i < il; ++ i ) { + + loadTexture( i ); + + } + + } else { + + // compressed cubemap texture stored in a single DDS file + + loader.load( url, function ( buffer ) { + + const texDatas = scope.parse( buffer, true ); + + if ( texDatas.isCubemap ) { + + const faces = texDatas.mipmaps.length / texDatas.mipmapCount; + + for ( let f = 0; f < faces; f ++ ) { + + images[ f ] = { mipmaps: [] }; + + for ( let i = 0; i < texDatas.mipmapCount; i ++ ) { + + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; + + } + + } + + texture.image = images; + + } else { + + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + + } + + if ( texDatas.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + }, onProgress, onError ); + + } + + return texture; + + } + +} + +class ImageLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const scope = this; + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + const image = createElementNS( 'img' ); + + function onImageLoad() { + + removeEventListeners(); + + Cache.add( url, this ); + + if ( onLoad ) onLoad( this ); + + scope.manager.itemEnd( url ); + + } + + function onImageError( event ) { + + removeEventListeners(); + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } + + function removeEventListeners() { + + image.removeEventListener( 'load', onImageLoad, false ); + image.removeEventListener( 'error', onImageError, false ); + + } + + image.addEventListener( 'load', onImageLoad, false ); + image.addEventListener( 'error', onImageError, false ); + + if ( url.slice( 0, 5 ) !== 'data:' ) { + + if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; + + } + + scope.manager.itemStart( url ); + + image.src = url; + + return image; + + } + +} + +class CubeTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( urls, onLoad, onProgress, onError ) { + + const texture = new CubeTexture(); + texture.colorSpace = SRGBColorSpace; + + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + let loaded = 0; + + function loadTexture( i ) { + + loader.load( urls[ i ], function ( image ) { + + texture.images[ i ] = image; + + loaded ++; + + if ( loaded === 6 ) { + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, undefined, onError ); + + } + + for ( let i = 0; i < urls.length; ++ i ) { + + loadTexture( i ); + + } + + return texture; + + } + +} + +/** + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +class DataTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const texture = new DataTexture(); + + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setPath( this.path ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( buffer ) { + + let texData; + + try { + + texData = scope.parse( buffer ); + + } catch ( error ) { + + if ( onError !== undefined ) { + + onError( error ); + + } else { + + console.error( error ); + return; + + } + + } + + if ( texData.image !== undefined ) { + + texture.image = texData.image; + + } else if ( texData.data !== undefined ) { + + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + + } + + texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping; + + texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter; + + texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1; + + if ( texData.colorSpace !== undefined ) { + + texture.colorSpace = texData.colorSpace; + + } + + if ( texData.flipY !== undefined ) { + + texture.flipY = texData.flipY; + + } + + if ( texData.format !== undefined ) { + + texture.format = texData.format; + + } + + if ( texData.type !== undefined ) { + + texture.type = texData.type; + + } + + if ( texData.mipmaps !== undefined ) { + + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; // presumably... + + } + + if ( texData.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + if ( texData.generateMipmaps !== undefined ) { + + texture.generateMipmaps = texData.generateMipmaps; + + } + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture, texData ); + + }, onProgress, onError ); + + + return texture; + + } + +} + +class TextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const texture = new Texture(); + + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + loader.load( url, function ( image ) { + + texture.image = image; + texture.needsUpdate = true; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + } + +} + +class Light extends Object3D { + + constructor( color, intensity = 1 ) { + + super(); + + this.isLight = true; + + this.type = 'Light'; + + this.color = new Color( color ); + this.intensity = intensity; + + } + + dispose() { + + // Empty here in base class; some subclasses override. + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.color.copy( source.color ); + this.intensity = source.intensity; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + if ( this.target !== undefined ) data.object.target = this.target.uuid; + + return data; + + } + +} + +class HemisphereLight extends Light { + + constructor( skyColor, groundColor, intensity ) { + + super( skyColor, intensity ); + + this.isHemisphereLight = true; + + this.type = 'HemisphereLight'; + + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + + this.groundColor = new Color( groundColor ); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.groundColor.copy( source.groundColor ); + + return this; + + } + +} + +const _projScreenMatrix$2 = /*@__PURE__*/ new Matrix4(); +const _lightPositionWorld$1 = /*@__PURE__*/ new Vector3(); +const _lookTarget$1 = /*@__PURE__*/ new Vector3(); + +class LightShadow { + + constructor( camera ) { + + this.camera = camera; + + this.intensity = 1; + + this.bias = 0; + this.normalBias = 0; + this.radius = 1; + this.blurSamples = 8; + + this.mapSize = new Vector2( 512, 512 ); + + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + + this.autoUpdate = true; + this.needsUpdate = false; + + this._frustum = new Frustum(); + this._frameExtents = new Vector2( 1, 1 ); + + this._viewportCount = 1; + + this._viewports = [ + + new Vector4( 0, 0, 1, 1 ) + + ]; + + } + + getViewportCount() { + + return this._viewportCount; + + } + + getFrustum() { + + return this._frustum; + + } + + updateMatrices( light ) { + + const shadowCamera = this.camera; + const shadowMatrix = this.matrix; + + _lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld$1 ); + + _lookTarget$1.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget$1 ); + shadowCamera.updateMatrixWorld(); + + _projScreenMatrix$2.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix$2 ); + + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); + + shadowMatrix.multiply( _projScreenMatrix$2 ); + + } + + getViewport( viewportIndex ) { + + return this._viewports[ viewportIndex ]; + + } + + getFrameExtents() { + + return this._frameExtents; + + } + + dispose() { + + if ( this.map ) { + + this.map.dispose(); + + } + + if ( this.mapPass ) { + + this.mapPass.dispose(); + + } + + } + + copy( source ) { + + this.camera = source.camera.clone(); + + this.intensity = source.intensity; + + this.bias = source.bias; + this.radius = source.radius; + + this.mapSize.copy( source.mapSize ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + toJSON() { + + const object = {}; + + if ( this.intensity !== 1 ) object.intensity = this.intensity; + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.normalBias !== 0 ) object.normalBias = this.normalBias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + + return object; + + } + +} + +class SpotLightShadow extends LightShadow { + + constructor() { + + super( new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + + this.isSpotLightShadow = true; + + this.focus = 1; + + } + + updateMatrices( light ) { + + const camera = this.camera; + + const fov = RAD2DEG * 2 * light.angle * this.focus; + const aspect = this.mapSize.width / this.mapSize.height; + const far = light.distance || camera.far; + + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); + + } + + super.updateMatrices( light ); + + } + + copy( source ) { + + super.copy( source ); + + this.focus = source.focus; + + return this; + + } + +} + +class SpotLight extends Light { + + constructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) { + + super( color, intensity ); + + this.isSpotLight = true; + + this.type = 'SpotLight'; + + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.distance = distance; + this.angle = angle; + this.penumbra = penumbra; + this.decay = decay; + + this.map = null; + + this.shadow = new SpotLightShadow(); + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in candela) + // by convention for a spotlight, luminous power (lm) = π * luminous intensity (cd) + return this.intensity * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in candela) from the desired luminous power (in lumens) + this.intensity = power / Math.PI; + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +const _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4(); +const _lightPositionWorld = /*@__PURE__*/ new Vector3(); +const _lookTarget = /*@__PURE__*/ new Vector3(); + +class PointLightShadow extends LightShadow { + + constructor() { + + super( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + + this.isPointLightShadow = true; + + this._frameExtents = new Vector2( 4, 2 ); + + this._viewportCount = 6; + + this._viewports = [ + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + + // positive X + new Vector4( 2, 1, 1, 1 ), + // negative X + new Vector4( 0, 1, 1, 1 ), + // positive Z + new Vector4( 3, 1, 1, 1 ), + // negative Z + new Vector4( 1, 1, 1, 1 ), + // positive Y + new Vector4( 3, 0, 1, 1 ), + // negative Y + new Vector4( 1, 0, 1, 1 ) + ]; + + this._cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; + + this._cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; + + } + + updateMatrices( light, viewportIndex = 0 ) { + + const camera = this.camera; + const shadowMatrix = this.matrix; + + const far = light.distance || camera.far; + + if ( far !== camera.far ) { + + camera.far = far; + camera.updateProjectionMatrix(); + + } + + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + camera.position.copy( _lightPositionWorld ); + + _lookTarget.copy( camera.position ); + _lookTarget.add( this._cubeDirections[ viewportIndex ] ); + camera.up.copy( this._cubeUps[ viewportIndex ] ); + camera.lookAt( _lookTarget ); + camera.updateMatrixWorld(); + + shadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z ); + + _projScreenMatrix$1.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix$1 ); + + } + +} + +class PointLight extends Light { + + constructor( color, intensity, distance = 0, decay = 2 ) { + + super( color, intensity ); + + this.isPointLight = true; + + this.type = 'PointLight'; + + this.distance = distance; + this.decay = decay; + + this.shadow = new PointLightShadow(); + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in candela) + // for an isotropic light source, luminous power (lm) = 4 π luminous intensity (cd) + return this.intensity * 4 * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in candela) from the desired luminous power (in lumens) + this.intensity = power / ( 4 * Math.PI ); + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.distance = source.distance; + this.decay = source.decay; + + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +class OrthographicCamera extends Camera { + + constructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) { + + super(); + + this.isOrthographicCamera = true; + + this.type = 'OrthographicCamera'; + + this.zoom = 1; + this.view = null; + + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + + this.near = near; + this.far = far; + + this.updateProjectionMatrix(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + return this; + + } + + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + } + + clearViewOffset() { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + } + + updateProjectionMatrix() { + + const dx = ( this.right - this.left ) / ( 2 * this.zoom ); + const dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + const cx = ( this.right + this.left ) / 2; + const cy = ( this.top + this.bottom ) / 2; + + let left = cx - dx; + let right = cx + dx; + let top = cy + dy; + let bottom = cy - dy; + + if ( this.view !== null && this.view.enabled ) { + + const scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom; + const scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom; + + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + + } + + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem ); + + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + return data; + + } + +} + +class DirectionalLightShadow extends LightShadow { + + constructor() { + + super( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + + this.isDirectionalLightShadow = true; + + } + +} + +class DirectionalLight extends Light { + + constructor( color, intensity ) { + + super( color, intensity ); + + this.isDirectionalLight = true; + + this.type = 'DirectionalLight'; + + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.shadow = new DirectionalLightShadow(); + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source ) { + + super.copy( source ); + + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +class AmbientLight extends Light { + + constructor( color, intensity ) { + + super( color, intensity ); + + this.isAmbientLight = true; + + this.type = 'AmbientLight'; + + } + +} + +class RectAreaLight extends Light { + + constructor( color, intensity, width = 10, height = 10 ) { + + super( color, intensity ); + + this.isRectAreaLight = true; + + this.type = 'RectAreaLight'; + + this.width = width; + this.height = height; + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in nits) + return this.intensity * this.width * this.height * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in nits) from the desired luminous power (in lumens) + this.intensity = power / ( this.width * this.height * Math.PI ); + + } + + copy( source ) { + + super.copy( source ); + + this.width = source.width; + this.height = source.height; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.width = this.width; + data.object.height = this.height; + + return data; + + } + +} + +/** + * Primary reference: + * https://graphics.stanford.edu/papers/envmap/envmap.pdf + * + * Secondary reference: + * https://www.ppsloan.org/publications/StupidSH36.pdf + */ + +// 3-band SH defined by 9 coefficients + +class SphericalHarmonics3 { + + constructor() { + + this.isSphericalHarmonics3 = true; + + this.coefficients = []; + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients.push( new Vector3() ); + + } + + } + + set( coefficients ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].copy( coefficients[ i ] ); + + } + + return this; + + } + + zero() { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].set( 0, 0, 0 ); + + } + + return this; + + } + + // get the radiance in the direction of the normal + // target is a Vector3 + getAt( normal, target ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + const coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 ); + + // band 1 + target.addScaledVector( coeff[ 1 ], 0.488603 * y ); + target.addScaledVector( coeff[ 2 ], 0.488603 * z ); + target.addScaledVector( coeff[ 3 ], 0.488603 * x ); + + // band 2 + target.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) ); + target.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) ); + target.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) ); + target.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) ); + target.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) ); + + return target; + + } + + // get the irradiance (radiance convolved with cosine lobe) in the direction of the normal + // target is a Vector3 + // https://graphics.stanford.edu/papers/envmap/envmap.pdf + getIrradianceAt( normal, target ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + const coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095 + + // band 1 + target.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603 + target.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z ); + target.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x ); + + // band 2 + target.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548 + target.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z ); + target.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3 + target.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z ); + target.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274 + + return target; + + } + + add( sh ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].add( sh.coefficients[ i ] ); + + } + + return this; + + } + + addScaledSH( sh, s ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s ); + + } + + return this; + + } + + scale( s ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].multiplyScalar( s ); + + } + + return this; + + } + + lerp( sh, alpha ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].lerp( sh.coefficients[ i ], alpha ); + + } + + return this; + + } + + equals( sh ) { + + for ( let i = 0; i < 9; i ++ ) { + + if ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) { + + return false; + + } + + } + + return true; + + } + + copy( sh ) { + + return this.set( sh.coefficients ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + fromArray( array, offset = 0 ) { + + const coefficients = this.coefficients; + + for ( let i = 0; i < 9; i ++ ) { + + coefficients[ i ].fromArray( array, offset + ( i * 3 ) ); + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const coefficients = this.coefficients; + + for ( let i = 0; i < 9; i ++ ) { + + coefficients[ i ].toArray( array, offset + ( i * 3 ) ); + + } + + return array; + + } + + // evaluate the basis functions + // shBasis is an Array[ 9 ] + static getBasisAt( normal, shBasis ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + // band 0 + shBasis[ 0 ] = 0.282095; + + // band 1 + shBasis[ 1 ] = 0.488603 * y; + shBasis[ 2 ] = 0.488603 * z; + shBasis[ 3 ] = 0.488603 * x; + + // band 2 + shBasis[ 4 ] = 1.092548 * x * y; + shBasis[ 5 ] = 1.092548 * y * z; + shBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 ); + shBasis[ 7 ] = 1.092548 * x * z; + shBasis[ 8 ] = 0.546274 * ( x * x - y * y ); + + } + +} + +class LightProbe extends Light { + + constructor( sh = new SphericalHarmonics3(), intensity = 1 ) { + + super( undefined, intensity ); + + this.isLightProbe = true; + + this.sh = sh; + + } + + copy( source ) { + + super.copy( source ); + + this.sh.copy( source.sh ); + + return this; + + } + + fromJSON( json ) { + + this.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON(); + this.sh.fromArray( json.sh ); + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.sh = this.sh.toArray(); + + return data; + + } + +} + +class MaterialLoader extends Loader { + + constructor( manager ) { + + super( manager ); + this.textures = {}; + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const textures = this.textures; + + function getTexture( name ) { + + if ( textures[ name ] === undefined ) { + + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + + } + + return textures[ name ]; + + } + + const material = MaterialLoader.createMaterialFromType( json.type ); + + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.sheen !== undefined ) material.sheen = json.sheen; + if ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor ); + if ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness; + if ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity; + if ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat; + if ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness; + if ( json.dispersion !== undefined ) material.dispersion = json.dispersion; + if ( json.iridescence !== undefined ) material.iridescence = json.iridescence; + if ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR; + if ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange; + if ( json.transmission !== undefined ) material.transmission = json.transmission; + if ( json.thickness !== undefined ) material.thickness = json.thickness; + if ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance; + if ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor ); + if ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy; + if ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.flatShading !== undefined ) material.flatShading = json.flatShading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.combine !== undefined ) material.combine = json.combine; + if ( json.side !== undefined ) material.side = json.side; + if ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash; + if ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + if ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc; + if ( json.blendDst !== undefined ) material.blendDst = json.blendDst; + if ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation; + if ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha; + if ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha; + if ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha; + if ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor ); + if ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha; + if ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask; + if ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc; + if ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef; + if ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask; + if ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail; + if ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail; + if ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass; + if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite; + + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + + if ( json.rotation !== undefined ) material.rotation = json.rotation; + + if ( json.linewidth !== undefined ) material.linewidth = json.linewidth; + if ( json.dashSize !== undefined ) material.dashSize = json.dashSize; + if ( json.gapSize !== undefined ) material.gapSize = json.gapSize; + if ( json.scale !== undefined ) material.scale = json.scale; + + if ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset; + if ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor; + if ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits; + + if ( json.dithering !== undefined ) material.dithering = json.dithering; + + if ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage; + if ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha; + if ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass; + + if ( json.visible !== undefined ) material.visible = json.visible; + + if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped; + + if ( json.userData !== undefined ) material.userData = json.userData; + + if ( json.vertexColors !== undefined ) { + + if ( typeof json.vertexColors === 'number' ) { + + material.vertexColors = ( json.vertexColors > 0 ) ? true : false; + + } else { + + material.vertexColors = json.vertexColors; + + } + + } + + // Shader Material + + if ( json.uniforms !== undefined ) { + + for ( const name in json.uniforms ) { + + const uniform = json.uniforms[ name ]; + + material.uniforms[ name ] = {}; + + switch ( uniform.type ) { + + case 't': + material.uniforms[ name ].value = getTexture( uniform.value ); + break; + + case 'c': + material.uniforms[ name ].value = new Color().setHex( uniform.value ); + break; + + case 'v2': + material.uniforms[ name ].value = new Vector2().fromArray( uniform.value ); + break; + + case 'v3': + material.uniforms[ name ].value = new Vector3().fromArray( uniform.value ); + break; + + case 'v4': + material.uniforms[ name ].value = new Vector4().fromArray( uniform.value ); + break; + + case 'm3': + material.uniforms[ name ].value = new Matrix3().fromArray( uniform.value ); + break; + + case 'm4': + material.uniforms[ name ].value = new Matrix4().fromArray( uniform.value ); + break; + + default: + material.uniforms[ name ].value = uniform.value; + + } + + } + + } + + if ( json.defines !== undefined ) material.defines = json.defines; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + if ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion; + + if ( json.extensions !== undefined ) { + + for ( const key in json.extensions ) { + + material.extensions[ key ] = json.extensions[ key ]; + + } + + } + + if ( json.lights !== undefined ) material.lights = json.lights; + if ( json.clipping !== undefined ) material.clipping = json.clipping; + + // for PointsMaterial + + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + + // maps + + if ( json.map !== undefined ) material.map = getTexture( json.map ); + if ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap ); + + if ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap ); + + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType; + if ( json.normalScale !== undefined ) { + + let normalScale = json.normalScale; + + if ( Array.isArray( normalScale ) === false ) { + + // Blender exporter used to export a scalar. See #7459 + + normalScale = [ normalScale, normalScale ]; + + } + + material.normalScale = new Vector2().fromArray( normalScale ); + + } + + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + if ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap ); + if ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap ); + + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + if ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation ); + if ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity; + + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + if ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio; + + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + + if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap ); + + if ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap ); + if ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap ); + if ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap ); + if ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale ); + + if ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap ); + if ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap ); + + if ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap ); + if ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap ); + + if ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap ); + + if ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap ); + if ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap ); + + return material; + + } + + setTextures( value ) { + + this.textures = value; + return this; + + } + + static createMaterialFromType( type ) { + + const materialLib = { + ShadowMaterial, + SpriteMaterial, + RawShaderMaterial, + ShaderMaterial, + PointsMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshBasicMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + LineBasicMaterial, + Material + }; + + return new materialLib[ type ](); + + } + +} + +class LoaderUtils { + + static decodeText( array ) { // @deprecated, r165 + + console.warn( 'THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead.' ); + + if ( typeof TextDecoder !== 'undefined' ) { + + return new TextDecoder().decode( array ); + + } + + // Avoid the String.fromCharCode.apply(null, array) shortcut, which + // throws a "maximum call stack size exceeded" error for large arrays. + + let s = ''; + + for ( let i = 0, il = array.length; i < il; i ++ ) { + + // Implicitly assumes little-endian. + s += String.fromCharCode( array[ i ] ); + + } + + try { + + // merges multi-byte utf-8 characters. + + return decodeURIComponent( escape( s ) ); + + } catch ( e ) { // see #16358 + + return s; + + } + + } + + static extractUrlBase( url ) { + + const index = url.lastIndexOf( '/' ); + + if ( index === - 1 ) return './'; + + return url.slice( 0, index + 1 ); + + } + + static resolveURL( url, path ) { + + // Invalid URL + if ( typeof url !== 'string' || url === '' ) return ''; + + // Host Relative URL + if ( /^https?:\/\//i.test( path ) && /^\//.test( url ) ) { + + path = path.replace( /(^https?:\/\/[^\/]+).*/i, '$1' ); + + } + + // Absolute URL http://,https://,// + if ( /^(https?:)?\/\//i.test( url ) ) return url; + + // Data URI + if ( /^data:.*,.*$/i.test( url ) ) return url; + + // Blob URL + if ( /^blob:.*$/i.test( url ) ) return url; + + // Relative URL + return path + url; + + } + +} + +class InstancedBufferGeometry extends BufferGeometry { + + constructor() { + + super(); + + this.isInstancedBufferGeometry = true; + + this.type = 'InstancedBufferGeometry'; + this.instanceCount = Infinity; + + } + + copy( source ) { + + super.copy( source ); + + this.instanceCount = source.instanceCount; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.instanceCount = this.instanceCount; + + data.isInstancedBufferGeometry = true; + + return data; + + } + +} + +class BufferGeometryLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const interleavedBufferMap = {}; + const arrayBufferMap = {}; + + function getInterleavedBuffer( json, uuid ) { + + if ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ]; + + const interleavedBuffers = json.interleavedBuffers; + const interleavedBuffer = interleavedBuffers[ uuid ]; + + const buffer = getArrayBuffer( json, interleavedBuffer.buffer ); + + const array = getTypedArray( interleavedBuffer.type, buffer ); + const ib = new InterleavedBuffer( array, interleavedBuffer.stride ); + ib.uuid = interleavedBuffer.uuid; + + interleavedBufferMap[ uuid ] = ib; + + return ib; + + } + + function getArrayBuffer( json, uuid ) { + + if ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ]; + + const arrayBuffers = json.arrayBuffers; + const arrayBuffer = arrayBuffers[ uuid ]; + + const ab = new Uint32Array( arrayBuffer ).buffer; + + arrayBufferMap[ uuid ] = ab; + + return ab; + + } + + const geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + + const index = json.data.index; + + if ( index !== undefined ) { + + const typedArray = getTypedArray( index.type, index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + + } + + const attributes = json.data.attributes; + + for ( const key in attributes ) { + + const attribute = attributes[ key ]; + let bufferAttribute; + + if ( attribute.isInterleavedBufferAttribute ) { + + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + + } else { + + const typedArray = getTypedArray( attribute.type, attribute.array ); + const bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + bufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized ); + + } + + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + if ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage ); + + geometry.setAttribute( key, bufferAttribute ); + + } + + const morphAttributes = json.data.morphAttributes; + + if ( morphAttributes ) { + + for ( const key in morphAttributes ) { + + const attributeArray = morphAttributes[ key ]; + + const array = []; + + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + + const attribute = attributeArray[ i ]; + let bufferAttribute; + + if ( attribute.isInterleavedBufferAttribute ) { + + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + + } else { + + const typedArray = getTypedArray( attribute.type, attribute.array ); + bufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ); + + } + + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + array.push( bufferAttribute ); + + } + + geometry.morphAttributes[ key ] = array; + + } + + } + + const morphTargetsRelative = json.data.morphTargetsRelative; + + if ( morphTargetsRelative ) { + + geometry.morphTargetsRelative = true; + + } + + const groups = json.data.groups || json.data.drawcalls || json.data.offsets; + + if ( groups !== undefined ) { + + for ( let i = 0, n = groups.length; i !== n; ++ i ) { + + const group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); + + } + + } + + const boundingSphere = json.data.boundingSphere; + + if ( boundingSphere !== undefined ) { + + const center = new Vector3(); + + if ( boundingSphere.center !== undefined ) { + + center.fromArray( boundingSphere.center ); + + } + + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + + } + + if ( json.name ) geometry.name = json.name; + if ( json.userData ) geometry.userData = json.userData; + + return geometry; + + } + +} + +class ObjectLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + let json = null; + + try { + + json = JSON.parse( text ); + + } catch ( error ) { + + if ( onError !== undefined ) onError( error ); + + console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); + + return; + + } + + const metadata = json.metadata; + + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + + if ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\'t load ' + url ) ); + + console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); + return; + + } + + scope.parse( json, onLoad ); + + }, onProgress, onError ); + + } + + async loadAsync( url, onProgress ) { + + const scope = this; + + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + + const text = await loader.loadAsync( url, onProgress ); + + const json = JSON.parse( text ); + + const metadata = json.metadata; + + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + + throw new Error( 'THREE.ObjectLoader: Can\'t load ' + url ); + + } + + return await scope.parseAsync( json ); + + } + + parse( json, onLoad ) { + + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + + const images = this.parseImages( json.images, function () { + + if ( onLoad !== undefined ) onLoad( object ); + + } ); + + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + + this.bindSkeletons( object, skeletons ); + this.bindLightTargets( object ); + + // + + if ( onLoad !== undefined ) { + + let hasImages = false; + + for ( const uuid in images ) { + + if ( images[ uuid ].data instanceof HTMLImageElement ) { + + hasImages = true; + break; + + } + + } + + if ( hasImages === false ) onLoad( object ); + + } + + return object; + + } + + async parseAsync( json ) { + + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + + const images = await this.parseImagesAsync( json.images ); + + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + + this.bindSkeletons( object, skeletons ); + + return object; + + } + + parseShapes( json ) { + + const shapes = {}; + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const shape = new Shape().fromJSON( json[ i ] ); + + shapes[ shape.uuid ] = shape; + + } + + } + + return shapes; + + } + + parseSkeletons( json, object ) { + + const skeletons = {}; + const bones = {}; + + // generate bone lookup table + + object.traverse( function ( child ) { + + if ( child.isBone ) bones[ child.uuid ] = child; + + } ); + + // create skeletons + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const skeleton = new Skeleton().fromJSON( json[ i ], bones ); + + skeletons[ skeleton.uuid ] = skeleton; + + } + + } + + return skeletons; + + } + + parseGeometries( json, shapes ) { + + const geometries = {}; + + if ( json !== undefined ) { + + const bufferGeometryLoader = new BufferGeometryLoader(); + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + let geometry; + const data = json[ i ]; + + switch ( data.type ) { + + case 'BufferGeometry': + case 'InstancedBufferGeometry': + + geometry = bufferGeometryLoader.parse( data ); + break; + + default: + + if ( data.type in Geometries$1 ) { + + geometry = Geometries$1[ data.type ].fromJSON( data, shapes ); + + } else { + + console.warn( `THREE.ObjectLoader: Unsupported geometry type "${ data.type }"` ); + + } + + } + + geometry.uuid = data.uuid; + + if ( data.name !== undefined ) geometry.name = data.name; + if ( data.userData !== undefined ) geometry.userData = data.userData; + + geometries[ data.uuid ] = geometry; + + } + + } + + return geometries; + + } + + parseMaterials( json, textures ) { + + const cache = {}; // MultiMaterial + const materials = {}; + + if ( json !== undefined ) { + + const loader = new MaterialLoader(); + loader.setTextures( textures ); + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const data = json[ i ]; + + if ( cache[ data.uuid ] === undefined ) { + + cache[ data.uuid ] = loader.parse( data ); + + } + + materials[ data.uuid ] = cache[ data.uuid ]; + + } + + } + + return materials; + + } + + parseAnimations( json ) { + + const animations = {}; + + if ( json !== undefined ) { + + for ( let i = 0; i < json.length; i ++ ) { + + const data = json[ i ]; + + const clip = AnimationClip.parse( data ); + + animations[ clip.uuid ] = clip; + + } + + } + + return animations; + + } + + parseImages( json, onLoad ) { + + const scope = this; + const images = {}; + + let loader; + + function loadImage( url ) { + + scope.manager.itemStart( url ); + + return loader.load( url, function () { + + scope.manager.itemEnd( url ); + + }, undefined, function () { + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + } + + function deserializeImage( image ) { + + if ( typeof image === 'string' ) { + + const url = image; + + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + + return loadImage( path ); + + } else { + + if ( image.data ) { + + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + + } else { + + return null; + + } + + } + + } + + if ( json !== undefined && json.length > 0 ) { + + const manager = new LoadingManager( onLoad ); + + loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( let i = 0, il = json.length; i < il; i ++ ) { + + const image = json[ i ]; + const url = image.url; + + if ( Array.isArray( url ) ) { + + // load array of images e.g CubeTexture + + const imageArray = []; + + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + + const currentUrl = url[ j ]; + + const deserializedImage = deserializeImage( currentUrl ); + + if ( deserializedImage !== null ) { + + if ( deserializedImage instanceof HTMLImageElement ) { + + imageArray.push( deserializedImage ); + + } else { + + // special case: handle array of data textures for cube textures + + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + + } + + } + + } + + images[ image.uuid ] = new Source( imageArray ); + + } else { + + // load single image + + const deserializedImage = deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + + + } + + } + + } + + return images; + + } + + async parseImagesAsync( json ) { + + const scope = this; + const images = {}; + + let loader; + + async function deserializeImage( image ) { + + if ( typeof image === 'string' ) { + + const url = image; + + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + + return await loader.loadAsync( path ); + + } else { + + if ( image.data ) { + + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + + } else { + + return null; + + } + + } + + } + + if ( json !== undefined && json.length > 0 ) { + + loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( let i = 0, il = json.length; i < il; i ++ ) { + + const image = json[ i ]; + const url = image.url; + + if ( Array.isArray( url ) ) { + + // load array of images e.g CubeTexture + + const imageArray = []; + + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + + const currentUrl = url[ j ]; + + const deserializedImage = await deserializeImage( currentUrl ); + + if ( deserializedImage !== null ) { + + if ( deserializedImage instanceof HTMLImageElement ) { + + imageArray.push( deserializedImage ); + + } else { + + // special case: handle array of data textures for cube textures + + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + + } + + } + + } + + images[ image.uuid ] = new Source( imageArray ); + + } else { + + // load single image + + const deserializedImage = await deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + + } + + } + + } + + return images; + + } + + parseTextures( json, images ) { + + function parseConstant( value, type ) { + + if ( typeof value === 'number' ) return value; + + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + + return type[ value ]; + + } + + const textures = {}; + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const data = json[ i ]; + + if ( data.image === undefined ) { + + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + + } + + if ( images[ data.image ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + + } + + const source = images[ data.image ]; + const image = source.data; + + let texture; + + if ( Array.isArray( image ) ) { + + texture = new CubeTexture(); + + if ( image.length === 6 ) texture.needsUpdate = true; + + } else { + + if ( image && image.data ) { + + texture = new DataTexture(); + + } else { + + texture = new Texture(); + + } + + if ( image ) texture.needsUpdate = true; // textures can have undefined image data + + } + + texture.source = source; + + texture.uuid = data.uuid; + + if ( data.name !== undefined ) texture.name = data.name; + + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); + if ( data.channel !== undefined ) texture.channel = data.channel; + + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.center !== undefined ) texture.center.fromArray( data.center ); + if ( data.rotation !== undefined ) texture.rotation = data.rotation; + + if ( data.wrap !== undefined ) { + + texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); + + } + + if ( data.format !== undefined ) texture.format = data.format; + if ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat; + if ( data.type !== undefined ) texture.type = data.type; + if ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace; + + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + + if ( data.flipY !== undefined ) texture.flipY = data.flipY; + + if ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps; + if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; + if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; + if ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction; + + if ( data.userData !== undefined ) texture.userData = data.userData; + + textures[ data.uuid ] = texture; + + } + + } + + return textures; + + } + + parseObject( data, geometries, materials, textures, animations ) { + + let object; + + function getGeometry( name ) { + + if ( geometries[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + + } + + return geometries[ name ]; + + } + + function getMaterial( name ) { + + if ( name === undefined ) return undefined; + + if ( Array.isArray( name ) ) { + + const array = []; + + for ( let i = 0, l = name.length; i < l; i ++ ) { + + const uuid = name[ i ]; + + if ( materials[ uuid ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); + + } + + array.push( materials[ uuid ] ); + + } + + return array; + + } + + if ( materials[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', name ); + + } + + return materials[ name ]; + + } + + function getTexture( uuid ) { + + if ( textures[ uuid ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined texture', uuid ); + + } + + return textures[ uuid ]; + + } + + let geometry, material; + + switch ( data.type ) { + + case 'Scene': + + object = new Scene(); + + if ( data.background !== undefined ) { + + if ( Number.isInteger( data.background ) ) { + + object.background = new Color( data.background ); + + } else { + + object.background = getTexture( data.background ); + + } + + } + + if ( data.environment !== undefined ) { + + object.environment = getTexture( data.environment ); + + } + + if ( data.fog !== undefined ) { + + if ( data.fog.type === 'Fog' ) { + + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + + } else if ( data.fog.type === 'FogExp2' ) { + + object.fog = new FogExp2( data.fog.color, data.fog.density ); + + } + + if ( data.fog.name !== '' ) { + + object.fog.name = data.fog.name; + + } + + } + + if ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness; + if ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity; + if ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation ); + + if ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity; + if ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation ); + + break; + + case 'PerspectiveCamera': + + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'OrthographicCamera': + + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'AmbientLight': + + object = new AmbientLight( data.color, data.intensity ); + + break; + + case 'DirectionalLight': + + object = new DirectionalLight( data.color, data.intensity ); + object.target = data.target || ''; + + break; + + case 'PointLight': + + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + + break; + + case 'RectAreaLight': + + object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); + + break; + + case 'SpotLight': + + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + object.target = data.target || ''; + + break; + + case 'HemisphereLight': + + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + + break; + + case 'LightProbe': + + object = new LightProbe().fromJSON( data ); + + break; + + case 'SkinnedMesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + + object = new SkinnedMesh( geometry, material ); + + if ( data.bindMode !== undefined ) object.bindMode = data.bindMode; + if ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix ); + if ( data.skeleton !== undefined ) object.skeleton = data.skeleton; + + break; + + case 'Mesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + + object = new Mesh( geometry, material ); + + break; + + case 'InstancedMesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + const count = data.count; + const instanceMatrix = data.instanceMatrix; + const instanceColor = data.instanceColor; + + object = new InstancedMesh( geometry, material, count ); + object.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 ); + if ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize ); + + break; + + case 'BatchedMesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + + object = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material ); + object.geometry = geometry; + object.perObjectFrustumCulled = data.perObjectFrustumCulled; + object.sortObjects = data.sortObjects; + + object._drawRanges = data.drawRanges; + object._reservedRanges = data.reservedRanges; + + object._visibility = data.visibility; + object._active = data.active; + object._bounds = data.bounds.map( bound => { + + const box = new Box3(); + box.min.fromArray( bound.boxMin ); + box.max.fromArray( bound.boxMax ); + + const sphere = new Sphere(); + sphere.radius = bound.sphereRadius; + sphere.center.fromArray( bound.sphereCenter ); + + return { + boxInitialized: bound.boxInitialized, + box: box, + + sphereInitialized: bound.sphereInitialized, + sphere: sphere + }; + + } ); + + object._maxInstanceCount = data.maxInstanceCount; + object._maxVertexCount = data.maxVertexCount; + object._maxIndexCount = data.maxIndexCount; + + object._geometryInitialized = data.geometryInitialized; + object._geometryCount = data.geometryCount; + + object._matricesTexture = getTexture( data.matricesTexture.uuid ); + if ( data.colorsTexture !== undefined ) object._colorsTexture = getTexture( data.colorsTexture.uuid ); + + break; + + case 'LOD': + + object = new LOD(); + + break; + + case 'Line': + + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'LineLoop': + + object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'LineSegments': + + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'PointCloud': + case 'Points': + + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'Sprite': + + object = new Sprite( getMaterial( data.material ) ); + + break; + + case 'Group': + + object = new Group(); + + break; + + case 'Bone': + + object = new Bone(); + + break; + + default: + + object = new Object3D(); + + } + + object.uuid = data.uuid; + + if ( data.name !== undefined ) object.name = data.name; + + if ( data.matrix !== undefined ) { + + object.matrix.fromArray( data.matrix ); + + if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; + if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); + + } else { + + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + + } + + if ( data.up !== undefined ) object.up.fromArray( data.up ); + + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + + if ( data.shadow ) { + + if ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity; + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + + } + + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; + if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; + if ( data.userData !== undefined ) object.userData = data.userData; + if ( data.layers !== undefined ) object.layers.mask = data.layers; + + if ( data.children !== undefined ) { + + const children = data.children; + + for ( let i = 0; i < children.length; i ++ ) { + + object.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) ); + + } + + } + + if ( data.animations !== undefined ) { + + const objectAnimations = data.animations; + + for ( let i = 0; i < objectAnimations.length; i ++ ) { + + const uuid = objectAnimations[ i ]; + + object.animations.push( animations[ uuid ] ); + + } + + } + + if ( data.type === 'LOD' ) { + + if ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate; + + const levels = data.levels; + + for ( let l = 0; l < levels.length; l ++ ) { + + const level = levels[ l ]; + const child = object.getObjectByProperty( 'uuid', level.object ); + + if ( child !== undefined ) { + + object.addLevel( child, level.distance, level.hysteresis ); + + } + + } + + } + + return object; + + } + + bindSkeletons( object, skeletons ) { + + if ( Object.keys( skeletons ).length === 0 ) return; + + object.traverse( function ( child ) { + + if ( child.isSkinnedMesh === true && child.skeleton !== undefined ) { + + const skeleton = skeletons[ child.skeleton ]; + + if ( skeleton === undefined ) { + + console.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton ); + + } else { + + child.bind( skeleton, child.bindMatrix ); + + } + + } + + } ); + + } + + bindLightTargets( object ) { + + object.traverse( function ( child ) { + + if ( child.isDirectionalLight || child.isSpotLight ) { + + const uuid = child.target; + + const target = object.getObjectByProperty( 'uuid', uuid ); + + if ( target !== undefined ) { + + child.target = target; + + } else { + + child.target = new Object3D(); + + } + + } + + } ); + + } + +} + +const TEXTURE_MAPPING = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping +}; + +const TEXTURE_WRAPPING = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping +}; + +const TEXTURE_FILTER = { + NearestFilter: NearestFilter, + NearestMipmapNearestFilter: NearestMipmapNearestFilter, + NearestMipmapLinearFilter: NearestMipmapLinearFilter, + LinearFilter: LinearFilter, + LinearMipmapNearestFilter: LinearMipmapNearestFilter, + LinearMipmapLinearFilter: LinearMipmapLinearFilter +}; + +class ImageBitmapLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + this.isImageBitmapLoader = true; + + if ( typeof createImageBitmap === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' ); + + } + + if ( typeof fetch === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' ); + + } + + this.options = { premultiplyAlpha: 'none' }; + + } + + setOptions( options ) { + + this.options = options; + + return this; + + } + + load( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const scope = this; + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + // If cached is a promise, wait for it to resolve + if ( cached.then ) { + + cached.then( imageBitmap => { + + if ( onLoad ) onLoad( imageBitmap ); + + scope.manager.itemEnd( url ); + + } ).catch( e => { + + if ( onError ) onError( e ); + + } ); + return; + + } + + // If cached is not a promise (i.e., it's already an imageBitmap) + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + const fetchOptions = {}; + fetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include'; + fetchOptions.headers = this.requestHeader; + + const promise = fetch( url, fetchOptions ).then( function ( res ) { + + return res.blob(); + + } ).then( function ( blob ) { + + return createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) ); + + } ).then( function ( imageBitmap ) { + + Cache.add( url, imageBitmap ); + + if ( onLoad ) onLoad( imageBitmap ); + + scope.manager.itemEnd( url ); + + return imageBitmap; + + } ).catch( function ( e ) { + + if ( onError ) onError( e ); + + Cache.remove( url ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + Cache.add( url, promise ); + scope.manager.itemStart( url ); + + } + +} + +let _context; + +class AudioContext { + + static getContext() { + + if ( _context === undefined ) { + + _context = new ( window.AudioContext || window.webkitAudioContext )(); + + } + + return _context; + + } + + static setContext( value ) { + + _context = value; + + } + +} + +class AudioLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( buffer ) { + + try { + + // Create a copy of the buffer. The `decodeAudioData` method + // detaches the buffer when complete, preventing reuse. + const bufferCopy = buffer.slice( 0 ); + + const context = AudioContext.getContext(); + context.decodeAudioData( bufferCopy, function ( audioBuffer ) { + + onLoad( audioBuffer ); + + } ).catch( handleError ); + + } catch ( e ) { + + handleError( e ); + + } + + }, onProgress, onError ); + + function handleError( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + } + +} + +const _eyeRight = /*@__PURE__*/ new Matrix4(); +const _eyeLeft = /*@__PURE__*/ new Matrix4(); +const _projectionMatrix = /*@__PURE__*/ new Matrix4(); + +class StereoCamera { + + constructor() { + + this.type = 'StereoCamera'; + + this.aspect = 1; + + this.eyeSep = 0.064; + + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; + + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; + + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + + } + + update( camera ) { + + const cache = this._cache; + + const needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || + cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || + cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + + if ( needsUpdate ) { + + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ + + _projectionMatrix.copy( camera.projectionMatrix ); + const eyeSepHalf = cache.eyeSep / 2; + const eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + const ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom; + let xmin, xmax; + + // translate xOffset + + _eyeLeft.elements[ 12 ] = - eyeSepHalf; + _eyeRight.elements[ 12 ] = eyeSepHalf; + + // for left eye + + xmin = - ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraL.projectionMatrix.copy( _projectionMatrix ); + + // for right eye + + xmin = - ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraR.projectionMatrix.copy( _projectionMatrix ); + + } + + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight ); + + } + +} + +class ArrayCamera extends PerspectiveCamera { + + constructor( array = [] ) { + + super(); + + this.isArrayCamera = true; + + this.cameras = array; + + } + +} + +class Clock { + + constructor( autoStart = true ) { + + this.autoStart = autoStart; + + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + + this.running = false; + + } + + start() { + + this.startTime = now(); + + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + + } + + stop() { + + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + + } + + getElapsedTime() { + + this.getDelta(); + return this.elapsedTime; + + } + + getDelta() { + + let diff = 0; + + if ( this.autoStart && ! this.running ) { + + this.start(); + return 0; + + } + + if ( this.running ) { + + const newTime = now(); + + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; + + this.elapsedTime += diff; + + } + + return diff; + + } + +} + +function now() { + + return ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732 + +} + +const _position$1 = /*@__PURE__*/ new Vector3(); +const _quaternion$1 = /*@__PURE__*/ new Quaternion(); +const _scale$1 = /*@__PURE__*/ new Vector3(); +const _orientation$1 = /*@__PURE__*/ new Vector3(); + +class AudioListener extends Object3D { + + constructor() { + + super(); + + this.type = 'AudioListener'; + + this.context = AudioContext.getContext(); + + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); + + this.filter = null; + + this.timeDelta = 0; + + // private + + this._clock = new Clock(); + + } + + getInput() { + + return this.gain; + + } + + removeFilter() { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; + + } + + return this; + + } + + getFilter() { + + return this.filter; + + } + + setFilter( value ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + + } else { + + this.gain.disconnect( this.context.destination ); + + } + + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); + + return this; + + } + + getMasterVolume() { + + return this.gain.gain.value; + + } + + setMasterVolume( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + const listener = this.context.listener; + const up = this.up; + + this.timeDelta = this._clock.getDelta(); + + this.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 ); + + _orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 ); + + if ( listener.positionX ) { + + // code path for Chrome (see #14393) + + const endTime = this.context.currentTime + this.timeDelta; + + listener.positionX.linearRampToValueAtTime( _position$1.x, endTime ); + listener.positionY.linearRampToValueAtTime( _position$1.y, endTime ); + listener.positionZ.linearRampToValueAtTime( _position$1.z, endTime ); + listener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime ); + listener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime ); + listener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime ); + listener.upX.linearRampToValueAtTime( up.x, endTime ); + listener.upY.linearRampToValueAtTime( up.y, endTime ); + listener.upZ.linearRampToValueAtTime( up.z, endTime ); + + } else { + + listener.setPosition( _position$1.x, _position$1.y, _position$1.z ); + listener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z ); + + } + + } + +} + +class Audio extends Object3D { + + constructor( listener ) { + + super(); + + this.type = 'Audio'; + + this.listener = listener; + this.context = listener.context; + + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); + + this.autoplay = false; + + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = undefined; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.source = null; + this.sourceType = 'empty'; + + this._startedAt = 0; + this._progress = 0; + this._connected = false; + + this.filters = []; + + } + + getOutput() { + + return this.gain; + + } + + setNodeSource( audioNode ) { + + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); + + return this; + + } + + setMediaElementSource( mediaElement ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaNode'; + this.source = this.context.createMediaElementSource( mediaElement ); + this.connect(); + + return this; + + } + + setMediaStreamSource( mediaStream ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaStreamNode'; + this.source = this.context.createMediaStreamSource( mediaStream ); + this.connect(); + + return this; + + } + + setBuffer( audioBuffer ) { + + this.buffer = audioBuffer; + this.sourceType = 'buffer'; + + if ( this.autoplay ) this.play(); + + return this; + + } + + play( delay = 0 ) { + + if ( this.isPlaying === true ) { + + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; + + } + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._startedAt = this.context.currentTime + delay; + + const source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind( this ); + source.start( this._startedAt, this._progress + this.offset, this.duration ); + + this.isPlaying = true; + + this.source = source; + + this.setDetune( this.detune ); + this.setPlaybackRate( this.playbackRate ); + + return this.connect(); + + } + + pause() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + if ( this.isPlaying === true ) { + + // update current progress + + this._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate; + + if ( this.loop === true ) { + + // ensure _progress does not exceed duration with looped audios + + this._progress = this._progress % ( this.duration || this.buffer.duration ); + + } + + this.source.stop(); + this.source.onended = null; + + this.isPlaying = false; + + } + + return this; + + } + + stop() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._progress = 0; + + if ( this.source !== null ) { + + this.source.stop(); + this.source.onended = null; + + } + + this.isPlaying = false; + + return this; + + } + + connect() { + + if ( this.filters.length > 0 ) { + + this.source.connect( this.filters[ 0 ] ); + + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].connect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + + } else { + + this.source.connect( this.getOutput() ); + + } + + this._connected = true; + + return this; + + } + + disconnect() { + + if ( this._connected === false ) { + + return; + + } + + if ( this.filters.length > 0 ) { + + this.source.disconnect( this.filters[ 0 ] ); + + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + + } else { + + this.source.disconnect( this.getOutput() ); + + } + + this._connected = false; + + return this; + + } + + getFilters() { + + return this.filters; + + } + + setFilters( value ) { + + if ( ! value ) value = []; + + if ( this._connected === true ) { + + this.disconnect(); + this.filters = value.slice(); + this.connect(); + + } else { + + this.filters = value.slice(); + + } + + return this; + + } + + setDetune( value ) { + + this.detune = value; + + if ( this.isPlaying === true && this.source.detune !== undefined ) { + + this.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 ); + + } + + return this; + + } + + getDetune() { + + return this.detune; + + } + + getFilter() { + + return this.getFilters()[ 0 ]; + + } + + setFilter( filter ) { + + return this.setFilters( filter ? [ filter ] : [] ); + + } + + setPlaybackRate( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.playbackRate = value; + + if ( this.isPlaying === true ) { + + this.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 ); + + } + + return this; + + } + + getPlaybackRate() { + + return this.playbackRate; + + } + + onEnded() { + + this.isPlaying = false; + + } + + getLoop() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; + + } + + return this.loop; + + } + + setLoop( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.loop = value; + + if ( this.isPlaying === true ) { + + this.source.loop = this.loop; + + } + + return this; + + } + + setLoopStart( value ) { + + this.loopStart = value; + + return this; + + } + + setLoopEnd( value ) { + + this.loopEnd = value; + + return this; + + } + + getVolume() { + + return this.gain.gain.value; + + } + + setVolume( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + } + +} + +const _position = /*@__PURE__*/ new Vector3(); +const _quaternion = /*@__PURE__*/ new Quaternion(); +const _scale = /*@__PURE__*/ new Vector3(); +const _orientation = /*@__PURE__*/ new Vector3(); + +class PositionalAudio extends Audio { + + constructor( listener ) { + + super( listener ); + + this.panner = this.context.createPanner(); + this.panner.panningModel = 'HRTF'; + this.panner.connect( this.gain ); + + } + + connect() { + + super.connect(); + + this.panner.connect( this.gain ); + + } + + disconnect() { + + super.disconnect(); + + this.panner.disconnect( this.gain ); + + } + + getOutput() { + + return this.panner; + + } + + getRefDistance() { + + return this.panner.refDistance; + + } + + setRefDistance( value ) { + + this.panner.refDistance = value; + + return this; + + } + + getRolloffFactor() { + + return this.panner.rolloffFactor; + + } + + setRolloffFactor( value ) { + + this.panner.rolloffFactor = value; + + return this; + + } + + getDistanceModel() { + + return this.panner.distanceModel; + + } + + setDistanceModel( value ) { + + this.panner.distanceModel = value; + + return this; + + } + + getMaxDistance() { + + return this.panner.maxDistance; + + } + + setMaxDistance( value ) { + + this.panner.maxDistance = value; + + return this; + + } + + setDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) { + + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + + return this; + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + if ( this.hasPlaybackControl === true && this.isPlaying === false ) return; + + this.matrixWorld.decompose( _position, _quaternion, _scale ); + + _orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion ); + + const panner = this.panner; + + if ( panner.positionX ) { + + // code path for Chrome and Firefox (see #14393) + + const endTime = this.context.currentTime + this.listener.timeDelta; + + panner.positionX.linearRampToValueAtTime( _position.x, endTime ); + panner.positionY.linearRampToValueAtTime( _position.y, endTime ); + panner.positionZ.linearRampToValueAtTime( _position.z, endTime ); + panner.orientationX.linearRampToValueAtTime( _orientation.x, endTime ); + panner.orientationY.linearRampToValueAtTime( _orientation.y, endTime ); + panner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime ); + + } else { + + panner.setPosition( _position.x, _position.y, _position.z ); + panner.setOrientation( _orientation.x, _orientation.y, _orientation.z ); + + } + + } + +} + +class AudioAnalyser { + + constructor( audio, fftSize = 2048 ) { + + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize; + + this.data = new Uint8Array( this.analyser.frequencyBinCount ); + + audio.getOutput().connect( this.analyser ); + + } + + + getFrequencyData() { + + this.analyser.getByteFrequencyData( this.data ); + + return this.data; + + } + + getAverageFrequency() { + + let value = 0; + const data = this.getFrequencyData(); + + for ( let i = 0; i < data.length; i ++ ) { + + value += data[ i ]; + + } + + return value / data.length; + + } + +} + +class PropertyMixer { + + constructor( binding, typeName, valueSize ) { + + this.binding = binding; + this.valueSize = valueSize; + + let mixFunction, + mixFunctionAdditive, + setIdentity; + + // buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property + // + // 'add' is used for additive cumulative results + // + // 'work' is optional and is only present for quaternion types. It is used + // to store intermediate quaternion multiplication results + + switch ( typeName ) { + + case 'quaternion': + mixFunction = this._slerp; + mixFunctionAdditive = this._slerpAdditive; + setIdentity = this._setAdditiveIdentityQuaternion; + + this.buffer = new Float64Array( valueSize * 6 ); + this._workIndex = 5; + break; + + case 'string': + case 'bool': + mixFunction = this._select; + + // Use the regular mix function and for additive on these types, + // additive is not relevant for non-numeric types + mixFunctionAdditive = this._select; + + setIdentity = this._setAdditiveIdentityOther; + + this.buffer = new Array( valueSize * 5 ); + break; + + default: + mixFunction = this._lerp; + mixFunctionAdditive = this._lerpAdditive; + setIdentity = this._setAdditiveIdentityNumeric; + + this.buffer = new Float64Array( valueSize * 5 ); + + } + + this._mixBufferRegion = mixFunction; + this._mixBufferRegionAdditive = mixFunctionAdditive; + this._setIdentity = setIdentity; + this._origIndex = 3; + this._addIndex = 4; + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + this.useCount = 0; + this.referenceCount = 0; + + } + + // accumulate data in the 'incoming' region into 'accu' + accumulate( accuIndex, weight ) { + + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place + + const buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride; + + let currentWeight = this.cumulativeWeight; + + if ( currentWeight === 0 ) { + + // accuN := incoming * weight + + for ( let i = 0; i !== stride; ++ i ) { + + buffer[ offset + i ] = buffer[ i ]; + + } + + currentWeight = weight; + + } else { + + // accuN := accuN + incoming * weight + + currentWeight += weight; + const mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); + + } + + this.cumulativeWeight = currentWeight; + + } + + // accumulate data in the 'incoming' region into 'add' + accumulateAdditive( weight ) { + + const buffer = this.buffer, + stride = this.valueSize, + offset = stride * this._addIndex; + + if ( this.cumulativeWeightAdditive === 0 ) { + + // add = identity + + this._setIdentity(); + + } + + // add := add + incoming * weight + + this._mixBufferRegionAdditive( buffer, offset, 0, weight, stride ); + this.cumulativeWeightAdditive += weight; + + } + + // apply the state of 'accu' to the binding when accus differ + apply( accuIndex ) { + + const stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, + + weight = this.cumulativeWeight, + weightAdditive = this.cumulativeWeightAdditive, + + binding = this.binding; + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + if ( weight < 1 ) { + + // accuN := accuN + original * ( 1 - cumulativeWeight ) + + const originalValueOffset = stride * this._origIndex; + + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); + + } + + if ( weightAdditive > 0 ) { + + // accuN := accuN + additive accuN + + this._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride ); + + } + + for ( let i = stride, e = stride + stride; i !== e; ++ i ) { + + if ( buffer[ i ] !== buffer[ i + stride ] ) { + + // value has changed -> update scene graph + + binding.setValue( buffer, offset ); + break; + + } + + } + + } + + // remember the state of the bound property and copy it to both accus + saveOriginalState() { + + const binding = this.binding; + + const buffer = this.buffer, + stride = this.valueSize, + + originalValueOffset = stride * this._origIndex; + + binding.getValue( buffer, originalValueOffset ); + + // accu[0..1] := orig -- initially detect changes against the original + for ( let i = stride, e = originalValueOffset; i !== e; ++ i ) { + + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + + } + + // Add to identity for additive + this._setIdentity(); + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + } + + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState() { + + const originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); + + } + + _setAdditiveIdentityNumeric() { + + const startIndex = this._addIndex * this.valueSize; + const endIndex = startIndex + this.valueSize; + + for ( let i = startIndex; i < endIndex; i ++ ) { + + this.buffer[ i ] = 0; + + } + + } + + _setAdditiveIdentityQuaternion() { + + this._setAdditiveIdentityNumeric(); + this.buffer[ this._addIndex * this.valueSize + 3 ] = 1; + + } + + _setAdditiveIdentityOther() { + + const startIndex = this._origIndex * this.valueSize; + const targetIndex = this._addIndex * this.valueSize; + + for ( let i = 0; i < this.valueSize; i ++ ) { + + this.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ]; + + } + + } + + + // mix functions + + _select( buffer, dstOffset, srcOffset, t, stride ) { + + if ( t >= 0.5 ) { + + for ( let i = 0; i !== stride; ++ i ) { + + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + + } + + } + + } + + _slerp( buffer, dstOffset, srcOffset, t ) { + + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t ); + + } + + _slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + + const workOffset = this._workIndex * stride; + + // Store result in intermediate buffer offset + Quaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset ); + + // Slerp to the intermediate result + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t ); + + } + + _lerp( buffer, dstOffset, srcOffset, t, stride ) { + + const s = 1 - t; + + for ( let i = 0; i !== stride; ++ i ) { + + const j = dstOffset + i; + + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + + } + + } + + _lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + + for ( let i = 0; i !== stride; ++ i ) { + + const j = dstOffset + i; + + buffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t; + + } + + } + +} + +// Characters [].:/ are reserved for track binding syntax. +const _RESERVED_CHARS_RE = '\\[\\]\\.:\\/'; +const _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' ); + +// Attempts to allow node names from any language. ES5's `\w` regexp matches +// only latin characters, and the unicode \p{L} is not yet supported. So +// instead, we exclude reserved characters and match everything else. +const _wordChar = '[^' + _RESERVED_CHARS_RE + ']'; +const _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']'; + +// Parent directories, delimited by '/' or ':'. Currently unused, but must +// be matched to parse the rest of the track name. +const _directoryRe = /*@__PURE__*/ /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar ); + +// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'. +const _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot ); + +// Object on target node, and accessor. May not contain reserved +// characters. Accessor may contain any character except closing bracket. +const _objectRe = /*@__PURE__*/ /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar ); + +// Property and accessor. May not contain reserved characters. Accessor may +// contain any non-bracket characters. +const _propertyRe = /*@__PURE__*/ /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar ); + +const _trackRe = new RegExp( '' + + '^' + + _directoryRe + + _nodeRe + + _objectRe + + _propertyRe + + '$' +); + +const _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ]; + +class Composite { + + constructor( targetGroup, path, optionalParsedPath ) { + + const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path ); + + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); + + } + + getValue( array, offset ) { + + this.bind(); // bind all binding + + const firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; + + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); + + } + + setValue( array, offset ) { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].setValue( array, offset ); + + } + + } + + bind() { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].bind(); + + } + + } + + unbind() { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].unbind(); + + } + + } + +} + +// Note: This class uses a State pattern on a per-method basis: +// 'bind' sets 'this.getValue' / 'setValue' and shadows the +// prototype version of these methods with one that represents +// the bound state. When the property is not found, the methods +// become no-ops. +class PropertyBinding { + + constructor( rootNode, path, parsedPath ) { + + this.path = path; + this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path ); + + this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ); + + this.rootNode = rootNode; + + // initial state of these methods that calls 'bind' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + + + static create( root, path, parsedPath ) { + + if ( ! ( root && root.isAnimationObjectGroup ) ) { + + return new PropertyBinding( root, path, parsedPath ); + + } else { + + return new PropertyBinding.Composite( root, path, parsedPath ); + + } + + } + + /** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name Node name to be sanitized. + * @return {string} + */ + static sanitizeNodeName( name ) { + + return name.replace( /\s/g, '_' ).replace( _reservedRe, '' ); + + } + + static parseTrackName( trackName ) { + + const matches = _trackRe.exec( trackName ); + + if ( matches === null ) { + + throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName ); + + } + + const results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], // required + propertyIndex: matches[ 6 ] + }; + + const lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' ); + + if ( lastDot !== undefined && lastDot !== - 1 ) { + + const objectName = results.nodeName.substring( lastDot + 1 ); + + // Object names must be checked against an allowlist. Otherwise, there + // is no way to parse 'foo.bar.baz': 'baz' must be a property, but + // 'bar' could be the objectName, or part of a nodeName (which can + // include '.' characters). + if ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) { + + results.nodeName = results.nodeName.substring( 0, lastDot ); + results.objectName = objectName; + + } + + } + + if ( results.propertyName === null || results.propertyName.length === 0 ) { + + throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName ); + + } + + return results; + + } + + static findNode( root, nodeName ) { + + if ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) { + + return root; + + } + + // search into skeleton bones. + if ( root.skeleton ) { + + const bone = root.skeleton.getBoneByName( nodeName ); + + if ( bone !== undefined ) { + + return bone; + + } + + } + + // search into node subtree. + if ( root.children ) { + + const searchNodeSubtree = function ( children ) { + + for ( let i = 0; i < children.length; i ++ ) { + + const childNode = children[ i ]; + + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + + return childNode; + + } + + const result = searchNodeSubtree( childNode.children ); + + if ( result ) return result; + + } + + return null; + + }; + + const subTreeNode = searchNodeSubtree( root.children ); + + if ( subTreeNode ) { + + return subTreeNode; + + } + + } + + return null; + + } + + // these are used to "bind" a nonexistent property + _getValue_unavailable() {} + _setValue_unavailable() {} + + // Getters + + _getValue_direct( buffer, offset ) { + + buffer[ offset ] = this.targetObject[ this.propertyName ]; + + } + + _getValue_array( buffer, offset ) { + + const source = this.resolvedProperty; + + for ( let i = 0, n = source.length; i !== n; ++ i ) { + + buffer[ offset ++ ] = source[ i ]; + + } + + } + + _getValue_arrayElement( buffer, offset ) { + + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + + } + + _getValue_toArray( buffer, offset ) { + + this.resolvedProperty.toArray( buffer, offset ); + + } + + // Direct + + _setValue_direct( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + + } + + _setValue_direct_setNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + } + + _setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // EntireArray + + _setValue_array( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + } + + _setValue_array_setNeedsUpdate( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.needsUpdate = true; + + } + + _setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // ArrayElement + + _setValue_arrayElement( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + + } + + _setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + } + + _setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // HasToFromArray + + _setValue_fromArray( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + + } + + _setValue_fromArray_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; + + } + + _setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + _getValue_unbound( targetArray, offset ) { + + this.bind(); + this.getValue( targetArray, offset ); + + } + + _setValue_unbound( sourceArray, offset ) { + + this.bind(); + this.setValue( sourceArray, offset ); + + } + + // create getter / setter pair for a property in the scene graph + bind() { + + let targetObject = this.node; + const parsedPath = this.parsedPath; + + const objectName = parsedPath.objectName; + const propertyName = parsedPath.propertyName; + let propertyIndex = parsedPath.propertyIndex; + + if ( ! targetObject ) { + + targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ); + + this.node = targetObject; + + } + + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + + // ensure there is a value node + if ( ! targetObject ) { + + console.warn( 'THREE.PropertyBinding: No target node found for track: ' + this.path + '.' ); + return; + + } + + if ( objectName ) { + + let objectIndex = parsedPath.objectIndex; + + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { + + case 'materials': + + if ( ! targetObject.material ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + + } + + if ( ! targetObject.material.materials ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this ); + return; + + } + + targetObject = targetObject.material.materials; + + break; + + case 'bones': + + if ( ! targetObject.skeleton ) { + + console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this ); + return; + + } + + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. + + targetObject = targetObject.skeleton.bones; + + // support resolving morphTarget names into indices. + for ( let i = 0; i < targetObject.length; i ++ ) { + + if ( targetObject[ i ].name === objectIndex ) { + + objectIndex = i; + break; + + } + + } + + break; + + case 'map': + + if ( 'map' in targetObject ) { + + targetObject = targetObject.map; + break; + + } + + if ( ! targetObject.material ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + + } + + if ( ! targetObject.material.map ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.', this ); + return; + + } + + targetObject = targetObject.material.map; + break; + + default: + + if ( targetObject[ objectName ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this ); + return; + + } + + targetObject = targetObject[ objectName ]; + + } + + + if ( objectIndex !== undefined ) { + + if ( targetObject[ objectIndex ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); + return; + + } + + targetObject = targetObject[ objectIndex ]; + + } + + } + + // resolve property + const nodeProperty = targetObject[ propertyName ]; + + if ( nodeProperty === undefined ) { + + const nodeName = parsedPath.nodeName; + + console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName + + '.' + propertyName + ' but it wasn\'t found.', targetObject ); + return; + + } + + // determine versioning scheme + let versioning = this.Versioning.None; + + this.targetObject = targetObject; + + if ( targetObject.needsUpdate !== undefined ) { // material + + versioning = this.Versioning.NeedsUpdate; + + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + + versioning = this.Versioning.MatrixWorldNeedsUpdate; + + } + + // determine how the property gets bound + let bindingType = this.BindingType.Direct; + + if ( propertyIndex !== undefined ) { + + // access a sub element of the property array (only primitives are supported right now) + + if ( propertyName === 'morphTargetInfluences' ) { + + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); + return; + + } + + if ( ! targetObject.geometry.morphAttributes ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); + return; + + } + + if ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) { + + propertyIndex = targetObject.morphTargetDictionary[ propertyIndex ]; + + } + + } + + bindingType = this.BindingType.ArrayElement; + + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + + // must use copy for Object3D.Euler/Quaternion + + bindingType = this.BindingType.HasFromToArray; + + this.resolvedProperty = nodeProperty; + + } else if ( Array.isArray( nodeProperty ) ) { + + bindingType = this.BindingType.EntireArray; + + this.resolvedProperty = nodeProperty; + + } else { + + this.propertyName = propertyName; + + } + + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + + } + + unbind() { + + this.node = null; + + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + +} + +PropertyBinding.Composite = Composite; + +PropertyBinding.prototype.BindingType = { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 +}; + +PropertyBinding.prototype.Versioning = { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 +}; + +PropertyBinding.prototype.GetterByBindingType = [ + + PropertyBinding.prototype._getValue_direct, + PropertyBinding.prototype._getValue_array, + PropertyBinding.prototype._getValue_arrayElement, + PropertyBinding.prototype._getValue_toArray, + +]; + +PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ + + [ + // Direct + PropertyBinding.prototype._setValue_direct, + PropertyBinding.prototype._setValue_direct_setNeedsUpdate, + PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate, + + ], [ + + // EntireArray + + PropertyBinding.prototype._setValue_array, + PropertyBinding.prototype._setValue_array_setNeedsUpdate, + PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate, + + ], [ + + // ArrayElement + PropertyBinding.prototype._setValue_arrayElement, + PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, + PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate, + + ], [ + + // HasToFromArray + PropertyBinding.prototype._setValue_fromArray, + PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, + PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate, + + ] + +]; + +/** + * + * A group of objects that receives a shared animation state. + * + * Usage: + * + * - Add objects you would otherwise pass as 'root' to the + * constructor or the .clipAction method of AnimationMixer. + * + * - Instead pass this object as 'root'. + * + * - You can also add and remove objects later when the mixer + * is running. + * + * Note: + * + * Objects of this class appear as one object to the mixer, + * so cache control of the individual objects must be done + * on the group. + * + * Limitation: + * + * - The animated properties must be compatible among the + * all objects in the group. + * + * - A single property can either be controlled through a + * target group or directly, but not both. + */ + +class AnimationObjectGroup { + + constructor() { + + this.isAnimationObjectGroup = true; + + this.uuid = generateUUID(); + + // cached objects followed by the active ones + this._objects = Array.prototype.slice.call( arguments ); + + this.nCachedObjects_ = 0; // threshold + // note: read by PropertyBinding.Composite + + const indices = {}; + this._indicesByUUID = indices; // for bookkeeping + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + indices[ arguments[ i ].uuid ] = i; + + } + + this._paths = []; // inside: string + this._parsedPaths = []; // inside: { we don't care, here } + this._bindings = []; // inside: Array< PropertyBinding > + this._bindingsIndicesByPath = {}; // inside: indices in these arrays + + const scope = this; + + this.stats = { + + objects: { + get total() { + + return scope._objects.length; + + }, + get inUse() { + + return this.total - scope.nCachedObjects_; + + } + }, + get bindingsPerObject() { + + return scope._bindings.length; + + } + + }; + + } + + add() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; + + let knownObject = undefined, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid; + let index = indicesByUUID[ uuid ]; + + if ( index === undefined ) { + + // unknown object -> add it to the ACTIVE region + + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) ); + + } + + } else if ( index < nCachedObjects ) { + + knownObject = objects[ index ]; + + // move existing object to the ACTIVE region + + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; + + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ]; + + let binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = lastCached; + + if ( binding === undefined ) { + + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist + + binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ); + + } + + bindingsForPath[ firstActiveIndex ] = binding; + + } + + } else if ( objects[ index ] !== knownObject ) { + + console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' + + 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' ); + + } // else the object is already where we want it to be + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + remove() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + let nCachedObjects = this.nCachedObjects_; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined && index >= nCachedObjects ) { + + // move existing object into the CACHED region + + const lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; + + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; + + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; + + } + + } + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + // remove & forget + uncache() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + let nCachedObjects = this.nCachedObjects_, + nObjects = objects.length; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined ) { + + delete indicesByUUID[ uuid ]; + + if ( index < nCachedObjects ) { + + // object is cached, shrink the CACHED region + + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; + + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); + + } + + } else { + + // object is active, just swap with the last and pop + + const lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + if ( lastIndex > 0 ) { + + indicesByUUID[ lastObject.uuid ] = index; + + } + + objects[ index ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ]; + + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); + + } + + } // cached or active + + } // if object is known + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + // Internal interface used by befriended PropertyBinding.Composite: + + subscribe_( path, parsedPath ) { + + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group + + const indicesByPath = this._bindingsIndicesByPath; + let index = indicesByPath[ path ]; + const bindings = this._bindings; + + if ( index !== undefined ) return bindings[ index ]; + + const paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); + + index = bindings.length; + + indicesByPath[ path ] = index; + + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); + + for ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) { + + const object = objects[ i ]; + bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath ); + + } + + return bindingsForPath; + + } + + unsubscribe_( path ) { + + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' + + const indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; + + if ( index !== undefined ) { + + const paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; + + indicesByPath[ lastBindingsPath ] = index; + + bindings[ index ] = lastBindings; + bindings.pop(); + + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); + + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); + + } + + } + +} + +class AnimationAction { + + constructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) { + + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot; + this.blendMode = blendMode; + + const tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); + + const interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + + for ( let i = 0; i !== nTracks; ++ i ) { + + const interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; + + } + + this._interpolantSettings = interpolantSettings; + + this._interpolants = interpolants; // bound by the mixer + + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); + + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager + + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + + this.loop = LoopRepeat; + this._loopCount = - 1; + + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; + + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; + + this.timeScale = 1; + this._effectiveTimeScale = 1; + + this.weight = 1; + this._effectiveWeight = 1; + + this.repetitions = Infinity; // no. of repetitions when looping + + this.paused = false; // true -> zero effective time scale + this.enabled = true; // false -> zero effective weight + + this.clampWhenFinished = false;// keep feeding the last frame? + + this.zeroSlopeAtStart = true;// for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true;// clips for start, loop and end + + } + + // State & Scheduling + + play() { + + this._mixer._activateAction( this ); + + return this; + + } + + stop() { + + this._mixer._deactivateAction( this ); + + return this.reset(); + + } + + reset() { + + this.paused = false; + this.enabled = true; + + this.time = 0; // restart clip + this._loopCount = - 1;// forget previous loops + this._startTime = null;// forget scheduling + + return this.stopFading().stopWarping(); + + } + + isRunning() { + + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); + + } + + // return true when play has been called + isScheduled() { + + return this._mixer._isActiveAction( this ); + + } + + startAt( time ) { + + this._startTime = time; + + return this; + + } + + setLoop( mode, repetitions ) { + + this.loop = mode; + this.repetitions = repetitions; + + return this; + + } + + // Weight + + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight( weight ) { + + this.weight = weight; + + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; + + return this.stopFading(); + + } + + // return the weight considering fading and .enabled + getEffectiveWeight() { + + return this._effectiveWeight; + + } + + fadeIn( duration ) { + + return this._scheduleFading( duration, 0, 1 ); + + } + + fadeOut( duration ) { + + return this._scheduleFading( duration, 1, 0 ); + + } + + crossFadeFrom( fadeOutAction, duration, warp ) { + + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); + + if ( warp ) { + + const fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, + + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; + + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); + + } + + return this; + + } + + crossFadeTo( fadeInAction, duration, warp ) { + + return fadeInAction.crossFadeFrom( this, duration, warp ); + + } + + stopFading() { + + const weightInterpolant = this._weightInterpolant; + + if ( weightInterpolant !== null ) { + + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); + + } + + return this; + + } + + // Time Scale Control + + // set the time scale stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale( timeScale ) { + + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + + return this.stopWarping(); + + } + + // return the time scale considering warping and .paused + getEffectiveTimeScale() { + + return this._effectiveTimeScale; + + } + + setDuration( duration ) { + + this.timeScale = this._clip.duration / duration; + + return this.stopWarping(); + + } + + syncWith( action ) { + + this.time = action.time; + this.timeScale = action.timeScale; + + return this.stopWarping(); + + } + + halt( duration ) { + + return this.warp( this._effectiveTimeScale, 0, duration ); + + } + + warp( startTimeScale, endTimeScale, duration ) { + + const mixer = this._mixer, + now = mixer.time, + timeScale = this.timeScale; + + let interpolant = this._timeScaleInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + + } + + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + times[ 1 ] = now + duration; + + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; + + return this; + + } + + stopWarping() { + + const timeScaleInterpolant = this._timeScaleInterpolant; + + if ( timeScaleInterpolant !== null ) { + + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + + } + + return this; + + } + + // Object Accessors + + getMixer() { + + return this._mixer; + + } + + getClip() { + + return this._clip; + + } + + getRoot() { + + return this._localRoot || this._mixer._root; + + } + + // Interna + + _update( time, deltaTime, timeDirection, accuIndex ) { + + // called by the mixer + + if ( ! this.enabled ) { + + // call ._updateWeight() to update ._effectiveWeight + + this._updateWeight( time ); + return; + + } + + const startTime = this._startTime; + + if ( startTime !== null ) { + + // check for scheduled start of action + + const timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { + + deltaTime = 0; + + } else { + + + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; + + } + + } + + // apply time scale and advance time + + deltaTime *= this._updateTimeScale( time ); + const clipTime = this._updateTime( deltaTime ); + + // note: _updateTime may disable the action resulting in + // an effective weight of 0 + + const weight = this._updateWeight( time ); + + if ( weight > 0 ) { + + const interpolants = this._interpolants; + const propertyMixers = this._propertyBindings; + + switch ( this.blendMode ) { + + case AdditiveAnimationBlendMode: + + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulateAdditive( weight ); + + } + + break; + + case NormalAnimationBlendMode: + default: + + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); + + } + + } + + } + + } + + _updateWeight( time ) { + + let weight = 0; + + if ( this.enabled ) { + + weight = this.weight; + const interpolant = this._weightInterpolant; + + if ( interpolant !== null ) { + + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + + weight *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopFading(); + + if ( interpolantValue === 0 ) { + + // faded out, disable + this.enabled = false; + + } + + } + + } + + } + + this._effectiveWeight = weight; + return weight; + + } + + _updateTimeScale( time ) { + + let timeScale = 0; + + if ( ! this.paused ) { + + timeScale = this.timeScale; + + const interpolant = this._timeScaleInterpolant; + + if ( interpolant !== null ) { + + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + + timeScale *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopWarping(); + + if ( timeScale === 0 ) { + + // motion has halted, pause + this.paused = true; + + } else { + + // warp done - apply final time scale + this.timeScale = timeScale; + + } + + } + + } + + } + + this._effectiveTimeScale = timeScale; + return timeScale; + + } + + _updateTime( deltaTime ) { + + const duration = this._clip.duration; + const loop = this.loop; + + let time = this.time + deltaTime; + let loopCount = this._loopCount; + + const pingPong = ( loop === LoopPingPong ); + + if ( deltaTime === 0 ) { + + if ( loopCount === - 1 ) return time; + + return ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time; + + } + + if ( loop === LoopOnce ) { + + if ( loopCount === - 1 ) { + + // just started + + this._loopCount = 0; + this._setEndings( true, true, false ); + + } + + handle_stop: { + + if ( time >= duration ) { + + time = duration; + + } else if ( time < 0 ) { + + time = 0; + + } else { + + this.time = time; + + break handle_stop; + + } + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? - 1 : 1 + } ); + + } + + } else { // repetitive Repeat or PingPong + + if ( loopCount === - 1 ) { + + // just started + + if ( deltaTime >= 0 ) { + + loopCount = 0; + + this._setEndings( true, this.repetitions === 0, pingPong ); + + } else { + + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 + + this._setEndings( this.repetitions === 0, true, pingPong ); + + } + + } + + if ( time >= duration || time < 0 ) { + + // wrap around + + const loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; + + loopCount += Math.abs( loopDelta ); + + const pending = this.repetitions - loopCount; + + if ( pending <= 0 ) { + + // have to stop (switch state, clamp time, fire event) + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + time = deltaTime > 0 ? duration : 0; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : - 1 + } ); + + } else { + + // keep running + + if ( pending === 1 ) { + + // entering the last round + + const atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); + + } else { + + this._setEndings( false, false, pingPong ); + + } + + this._loopCount = loopCount; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); + + } + + } else { + + this.time = time; + + } + + if ( pingPong && ( loopCount & 1 ) === 1 ) { + + // invert time for the "pong round" + + return duration - time; + + } + + } + + return time; + + } + + _setEndings( atStart, atEnd, pingPong ) { + + const settings = this._interpolantSettings; + + if ( pingPong ) { + + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + + } else { + + // assuming for LoopOnce atStart == atEnd == true + + if ( atStart ) { + + settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingStart = WrapAroundEnding; + + } + + if ( atEnd ) { + + settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingEnd = WrapAroundEnding; + + } + + } + + } + + _scheduleFading( duration, weightNow, weightThen ) { + + const mixer = this._mixer, now = mixer.time; + let interpolant = this._weightInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + + } + + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + values[ 0 ] = weightNow; + times[ 1 ] = now + duration; + values[ 1 ] = weightThen; + + return this; + + } + +} + +const _controlInterpolantsResultBuffer = new Float32Array( 1 ); + + +class AnimationMixer extends EventDispatcher { + + constructor( root ) { + + super(); + + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + this.time = 0; + this.timeScale = 1.0; + + } + + _bindAction( action, prototypeAction ) { + + const root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName; + + let bindingsByName = bindingsByRoot[ rootUuid ]; + + if ( bindingsByName === undefined ) { + + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; + + } + + for ( let i = 0; i !== nTracks; ++ i ) { + + const track = tracks[ i ], + trackName = track.name; + + let binding = bindingsByName[ trackName ]; + + if ( binding !== undefined ) { + + ++ binding.referenceCount; + bindings[ i ] = binding; + + } else { + + binding = bindings[ i ]; + + if ( binding !== undefined ) { + + // existing binding, make sure the cache knows + + if ( binding._cacheIndex === null ) { + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + } + + continue; + + } + + const path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; + + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + bindings[ i ] = binding; + + } + + interpolants[ i ].resultBuffer = binding.buffer; + + } + + } + + _activateAction( action ) { + + if ( ! this._isActiveAction( action ) ) { + + if ( action._cacheIndex === null ) { + + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind + + const rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; + + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); + + this._addInactiveAction( action, clipUuid, rootUuid ); + + } + + const bindings = action._propertyBindings; + + // increment reference counts / sort out state + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( binding.useCount ++ === 0 ) { + + this._lendBinding( binding ); + binding.saveOriginalState(); + + } + + } + + this._lendAction( action ); + + } + + } + + _deactivateAction( action ) { + + if ( this._isActiveAction( action ) ) { + + const bindings = action._propertyBindings; + + // decrement reference counts / sort out state + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( -- binding.useCount === 0 ) { + + binding.restoreOriginalState(); + this._takeBackBinding( binding ); + + } + + } + + this._takeBackAction( action ); + + } + + } + + // Memory manager + + _initMemoryManager() { + + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; + + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } + + + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; + + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + + + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; + + const scope = this; + + this.stats = { + + actions: { + get total() { + + return scope._actions.length; + + }, + get inUse() { + + return scope._nActiveActions; + + } + }, + bindings: { + get total() { + + return scope._bindings.length; + + }, + get inUse() { + + return scope._nActiveBindings; + + } + }, + controlInterpolants: { + get total() { + + return scope._controlInterpolants.length; + + }, + get inUse() { + + return scope._nActiveControlInterpolants; + + } + } + + }; + + } + + // Memory management for AnimationAction objects + + _isActiveAction( action ) { + + const index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + + } + + _addInactiveAction( action, clipUuid, rootUuid ) { + + const actions = this._actions, + actionsByClip = this._actionsByClip; + + let actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip === undefined ) { + + actionsForClip = { + + knownActions: [ action ], + actionByRoot: {} + + }; + + action._byClipCacheIndex = 0; + + actionsByClip[ clipUuid ] = actionsForClip; + + } else { + + const knownActions = actionsForClip.knownActions; + + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); + + } + + action._cacheIndex = actions.length; + actions.push( action ); + + actionsForClip.actionByRoot[ rootUuid ] = action; + + } + + _removeInactiveAction( action ) { + + const actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + action._cacheIndex = null; + + + const clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, + + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], + + byClipCacheIndex = action._byClipCacheIndex; + + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); + + action._byClipCacheIndex = null; + + + const actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( action._localRoot || this._root ).uuid; + + delete actionByRoot[ rootUuid ]; + + if ( knownActionsForClip.length === 0 ) { + + delete actionsByClip[ clipUuid ]; + + } + + this._removeInactiveBindingsForAction( action ); + + } + + _removeInactiveBindingsForAction( action ) { + + const bindings = action._propertyBindings; + + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( -- binding.referenceCount === 0 ) { + + this._removeInactiveBinding( binding ); + + } + + } + + } + + _lendAction( action ) { + + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s + + const actions = this._actions, + prevIndex = action._cacheIndex, + + lastActiveIndex = this._nActiveActions ++, + + firstInactiveAction = actions[ lastActiveIndex ]; + + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; + + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; + + } + + _takeBackAction( action ) { + + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + + const actions = this._actions, + prevIndex = action._cacheIndex, + + firstInactiveIndex = -- this._nActiveActions, + + lastActiveAction = actions[ firstInactiveIndex ]; + + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + + } + + // Memory management for PropertyMixer objects + + _addInactiveBinding( binding, rootUuid, trackName ) { + + const bindingsByRoot = this._bindingsByRootAndName, + bindings = this._bindings; + + let bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName === undefined ) { + + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + + } + + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); + + } + + _removeInactiveBinding( binding ) { + + const bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + + delete bindingByName[ trackName ]; + + if ( Object.keys( bindingByName ).length === 0 ) { + + delete bindingsByRoot[ rootUuid ]; + + } + + } + + _lendBinding( binding ) { + + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + + lastActiveIndex = this._nActiveBindings ++, + + firstInactiveBinding = bindings[ lastActiveIndex ]; + + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + + } + + _takeBackBinding( binding ) { + + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + + } + + + // Memory management of Interpolants for weight and time scale + + _lendControlInterpolant() { + + const interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++; + + let interpolant = interpolants[ lastActiveIndex ]; + + if ( interpolant === undefined ) { + + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, _controlInterpolantsResultBuffer ); + + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + + } + + return interpolant; + + } + + _takeBackControlInterpolant( interpolant ) { + + const interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, + + firstInactiveIndex = -- this._nActiveControlInterpolants, + + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; + + } + + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction( clip, optionalRoot, blendMode ) { + + const root = optionalRoot || this._root, + rootUuid = root.uuid; + + let clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip; + + const clipUuid = clipObject !== null ? clipObject.uuid : clip; + + const actionsForClip = this._actionsByClip[ clipUuid ]; + let prototypeAction = null; + + if ( blendMode === undefined ) { + + if ( clipObject !== null ) { + + blendMode = clipObject.blendMode; + + } else { + + blendMode = NormalAnimationBlendMode; + + } + + } + + if ( actionsForClip !== undefined ) { + + const existingAction = actionsForClip.actionByRoot[ rootUuid ]; + + if ( existingAction !== undefined && existingAction.blendMode === blendMode ) { + + return existingAction; + + } + + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; + + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; + + } + + // clip must be known when specified via string + if ( clipObject === null ) return null; + + // allocate all resources required to run it + const newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode ); + + this._bindAction( newAction, prototypeAction ); + + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); + + return newAction; + + } + + // get an existing action + existingAction( clip, optionalRoot ) { + + const root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + return actionsForClip.actionByRoot[ rootUuid ] || null; + + } + + return null; + + } + + // deactivates all previously scheduled actions + stopAllAction() { + + const actions = this._actions, + nActions = this._nActiveActions; + + for ( let i = nActions - 1; i >= 0; -- i ) { + + actions[ i ].stop(); + + } + + return this; + + } + + // advance the time and update apply the animation + update( deltaTime ) { + + deltaTime *= this.timeScale; + + const actions = this._actions, + nActions = this._nActiveActions, + + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), + + accuIndex = this._accuIndex ^= 1; + + // run active actions + + for ( let i = 0; i !== nActions; ++ i ) { + + const action = actions[ i ]; + + action._update( time, deltaTime, timeDirection, accuIndex ); + + } + + // update scene graph + + const bindings = this._bindings, + nBindings = this._nActiveBindings; + + for ( let i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].apply( accuIndex ); + + } + + return this; + + } + + // Allows you to seek to a specific time in an animation. + setTime( timeInSeconds ) { + + this.time = 0; // Zero out time attribute for AnimationMixer object; + for ( let i = 0; i < this._actions.length; i ++ ) { + + this._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects. + + } + + return this.update( timeInSeconds ); // Update used to set exact time. Returns "this" AnimationMixer object. + + } + + // return this mixer's root target object + getRoot() { + + return this._root; + + } + + // free all resources specific to a particular clip + uncacheClip( clip ) { + + const actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away + + const actionsToRemove = actionsForClip.knownActions; + + for ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + + const action = actionsToRemove[ i ]; + + this._deactivateAction( action ); + + const cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; + + action._cacheIndex = null; + action._byClipCacheIndex = null; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + this._removeInactiveBindingsForAction( action ); + + } + + delete actionsByClip[ clipUuid ]; + + } + + } + + // free all resources specific to a particular root target object + uncacheRoot( root ) { + + const rootUuid = root.uuid, + actionsByClip = this._actionsByClip; + + for ( const clipUuid in actionsByClip ) { + + const actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; + + if ( action !== undefined ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + + const bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName !== undefined ) { + + for ( const trackName in bindingByName ) { + + const binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); + + } + + } + + } + + // remove a targeted clip from the cache + uncacheAction( clip, optionalRoot ) { + + const action = this.existingAction( clip, optionalRoot ); + + if ( action !== null ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + +} + +let Uniform$1 = class Uniform { + + constructor( value ) { + + this.value = value; + + } + + clone() { + + return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() ); + + } + +}; + +let _id$5 = 0; + +let UniformsGroup$1 = class UniformsGroup extends EventDispatcher { + + constructor() { + + super(); + + this.isUniformsGroup = true; + + Object.defineProperty( this, 'id', { value: _id$5 ++ } ); + + this.name = ''; + + this.usage = StaticDrawUsage; + this.uniforms = []; + + } + + add( uniform ) { + + this.uniforms.push( uniform ); + + return this; + + } + + remove( uniform ) { + + const index = this.uniforms.indexOf( uniform ); + + if ( index !== - 1 ) this.uniforms.splice( index, 1 ); + + return this; + + } + + setName( name ) { + + this.name = name; + + return this; + + } + + setUsage( value ) { + + this.usage = value; + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + return this; + + } + + copy( source ) { + + this.name = source.name; + this.usage = source.usage; + + const uniformsSource = source.uniforms; + + this.uniforms.length = 0; + + for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) { + + const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ]; + + for ( let j = 0; j < uniforms.length; j ++ ) { + + this.uniforms.push( uniforms[ j ].clone() ); + + } + + } + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +}; + +class InstancedInterleavedBuffer extends InterleavedBuffer { + + constructor( array, stride, meshPerAttribute = 1 ) { + + super( array, stride ); + + this.isInstancedInterleavedBuffer = true; + + this.meshPerAttribute = meshPerAttribute; + + } + + copy( source ) { + + super.copy( source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + } + + clone( data ) { + + const ib = super.clone( data ); + + ib.meshPerAttribute = this.meshPerAttribute; + + return ib; + + } + + toJSON( data ) { + + const json = super.toJSON( data ); + + json.isInstancedInterleavedBuffer = true; + json.meshPerAttribute = this.meshPerAttribute; + + return json; + + } + +} + +class GLBufferAttribute { + + constructor( buffer, type, itemSize, elementSize, count ) { + + this.isGLBufferAttribute = true; + + this.name = ''; + + this.buffer = buffer; + this.type = type; + this.itemSize = itemSize; + this.elementSize = elementSize; + this.count = count; + + this.version = 0; + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + setBuffer( buffer ) { + + this.buffer = buffer; + + return this; + + } + + setType( type, elementSize ) { + + this.type = type; + this.elementSize = elementSize; + + return this; + + } + + setItemSize( itemSize ) { + + this.itemSize = itemSize; + + return this; + + } + + setCount( count ) { + + this.count = count; + + return this; + + } + +} + +const _matrix = /*@__PURE__*/ new Matrix4(); + +class Raycaster { + + constructor( origin, direction, near = 0, far = Infinity ) { + + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) + + this.near = near; + this.far = far; + this.camera = null; + this.layers = new Layers(); + + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + + } + + set( origin, direction ) { + + // direction is assumed to be normalized (for accurate distance calculations) + + this.ray.set( origin, direction ); + + } + + setFromCamera( coords, camera ) { + + if ( camera.isPerspectiveCamera ) { + + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + this.camera = camera; + + } else if ( camera.isOrthographicCamera ) { + + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + this.camera = camera; + + } else { + + console.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type ); + + } + + } + + setFromXRController( controller ) { + + _matrix.identity().extractRotation( controller.matrixWorld ); + + this.ray.origin.setFromMatrixPosition( controller.matrixWorld ); + this.ray.direction.set( 0, 0, - 1 ).applyMatrix4( _matrix ); + + return this; + + } + + intersectObject( object, recursive = true, intersects = [] ) { + + intersect( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + } + + intersectObjects( objects, recursive = true, intersects = [] ) { + + for ( let i = 0, l = objects.length; i < l; i ++ ) { + + intersect( objects[ i ], this, intersects, recursive ); + + } + + intersects.sort( ascSort ); + + return intersects; + + } + +} + +function ascSort( a, b ) { + + return a.distance - b.distance; + +} + +function intersect( object, raycaster, intersects, recursive ) { + + let propagate = true; + + if ( object.layers.test( raycaster.layers ) ) { + + const result = object.raycast( raycaster, intersects ); + + if ( result === false ) propagate = false; + + } + + if ( propagate === true && recursive === true ) { + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + intersect( children[ i ], raycaster, intersects, true ); + + } + + } + +} + +/** + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * phi (the polar angle) is measured from the positive y-axis. The positive y-axis is up. + * theta (the azimuthal angle) is measured from the positive z-axis. + */ +class Spherical { + + constructor( radius = 1, phi = 0, theta = 0 ) { + + this.radius = radius; + this.phi = phi; // polar angle + this.theta = theta; // azimuthal angle + + return this; + + } + + set( radius, phi, theta ) { + + this.radius = radius; + this.phi = phi; + this.theta = theta; + + return this; + + } + + copy( other ) { + + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + + return this; + + } + + // restrict phi to be between EPS and PI-EPS + makeSafe() { + + const EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + + return this; + + } + + setFromVector3( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + } + + setFromCartesianCoords( x, y, z ) { + + this.radius = Math.sqrt( x * x + y * y + z * z ); + + if ( this.radius === 0 ) { + + this.theta = 0; + this.phi = 0; + + } else { + + this.theta = Math.atan2( x, z ); + this.phi = Math.acos( clamp$1( y / this.radius, - 1, 1 ) ); + + } + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +/** + * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system + */ + +class Cylindrical { + + constructor( radius = 1, theta = 0, y = 0 ) { + + this.radius = radius; // distance from the origin to a point in the x-z plane + this.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis + this.y = y; // height above the x-z plane + + return this; + + } + + set( radius, theta, y ) { + + this.radius = radius; + this.theta = theta; + this.y = y; + + return this; + + } + + copy( other ) { + + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + + return this; + + } + + setFromVector3( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + } + + setFromCartesianCoords( x, y, z ) { + + this.radius = Math.sqrt( x * x + z * z ); + this.theta = Math.atan2( x, z ); + this.y = y; + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$4 = /*@__PURE__*/ new Vector2(); + +class Box2 { + + constructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) { + + this.isBox2 = true; + + this.min = min; + this.max = max; + + } + + set( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + } + + setFromPoints( points ) { + + this.makeEmpty(); + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + } + + setFromCenterAndSize( center, size ) { + + const halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + } + + makeEmpty() { + + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; + + return this; + + } + + isEmpty() { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + + } + + getCenter( target ) { + + return this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + } + + getSize( target ) { + + return this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min ); + + } + + expandByPoint( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + } + + expandByVector( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + } + + expandByScalar( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + } + + containsPoint( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ? false : true; + + } + + containsBox( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y; + + } + + getParameter( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); + + } + + intersectsBox( box ) { + + // using 4 splitting planes to rule out intersections + + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ? false : true; + + } + + clampPoint( point, target ) { + + return target.copy( point ).clamp( this.min, this.max ); + + } + + distanceToPoint( point ) { + + return this.clampPoint( point, _vector$4 ).distanceTo( point ); + + } + + intersect( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + if ( this.isEmpty() ) this.makeEmpty(); + + return this; + + } + + union( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + } + + translate( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + } + + equals( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} + +const _startP = /*@__PURE__*/ new Vector3(); +const _startEnd = /*@__PURE__*/ new Vector3(); + +class Line3 { + + constructor( start = new Vector3(), end = new Vector3() ) { + + this.start = start; + this.end = end; + + } + + set( start, end ) { + + this.start.copy( start ); + this.end.copy( end ); + + return this; + + } + + copy( line ) { + + this.start.copy( line.start ); + this.end.copy( line.end ); + + return this; + + } + + getCenter( target ) { + + return target.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + + } + + delta( target ) { + + return target.subVectors( this.end, this.start ); + + } + + distanceSq() { + + return this.start.distanceToSquared( this.end ); + + } + + distance() { + + return this.start.distanceTo( this.end ); + + } + + at( t, target ) { + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + } + + closestPointToPointParameter( point, clampToLine ) { + + _startP.subVectors( point, this.start ); + _startEnd.subVectors( this.end, this.start ); + + const startEnd2 = _startEnd.dot( _startEnd ); + const startEnd_startP = _startEnd.dot( _startP ); + + let t = startEnd_startP / startEnd2; + + if ( clampToLine ) { + + t = clamp$1( t, 0, 1 ); + + } + + return t; + + } + + closestPointToPoint( point, clampToLine, target ) { + + const t = this.closestPointToPointParameter( point, clampToLine ); + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + } + + applyMatrix4( matrix ) { + + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); + + return this; + + } + + equals( line ) { + + return line.start.equals( this.start ) && line.end.equals( this.end ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$3 = /*@__PURE__*/ new Vector3(); + +class SpotLightHelper extends Object3D { + + constructor( light, color ) { + + super(); + + this.light = light; + + this.matrixAutoUpdate = false; + + this.color = color; + + this.type = 'SpotLightHelper'; + + const geometry = new BufferGeometry(); + + const positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; + + for ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + + const p1 = ( i / l ) * Math.PI * 2; + const p2 = ( j / l ) * Math.PI * 2; + + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); + + this.update(); + + } + + dispose() { + + this.cone.geometry.dispose(); + this.cone.material.dispose(); + + } + + update() { + + this.light.updateWorldMatrix( true, false ); + this.light.target.updateWorldMatrix( true, false ); + + // update the local matrix based on the parent and light target transforms + if ( this.parent ) { + + this.parent.updateWorldMatrix( true ); + + this.matrix + .copy( this.parent.matrixWorld ) + .invert() + .multiply( this.light.matrixWorld ); + + } else { + + this.matrix.copy( this.light.matrixWorld ); + + } + + this.matrixWorld.copy( this.light.matrixWorld ); + + const coneLength = this.light.distance ? this.light.distance : 1000; + const coneWidth = coneLength * Math.tan( this.light.angle ); + + this.cone.scale.set( coneWidth, coneWidth, coneLength ); + + _vector$3.setFromMatrixPosition( this.light.target.matrixWorld ); + + this.cone.lookAt( _vector$3 ); + + if ( this.color !== undefined ) { + + this.cone.material.color.set( this.color ); + + } else { + + this.cone.material.color.copy( this.light.color ); + + } + + } + +} + +const _vector$2 = /*@__PURE__*/ new Vector3(); +const _boneMatrix = /*@__PURE__*/ new Matrix4(); +const _matrixWorldInv = /*@__PURE__*/ new Matrix4(); + + +class SkeletonHelper extends LineSegments { + + constructor( object ) { + + const bones = getBoneList( object ); + + const geometry = new BufferGeometry(); + + const vertices = []; + const colors = []; + + const color1 = new Color( 0, 0, 1 ); + const color2 = new Color( 0, 1, 0 ); + + for ( let i = 0; i < bones.length; i ++ ) { + + const bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + vertices.push( 0, 0, 0 ); + vertices.push( 0, 0, 0 ); + colors.push( color1.r, color1.g, color1.b ); + colors.push( color2.r, color2.g, color2.b ); + + } + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } ); + + super( geometry, material ); + + this.isSkeletonHelper = true; + + this.type = 'SkeletonHelper'; + + this.root = object; + this.bones = bones; + + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + + } + + updateMatrixWorld( force ) { + + const bones = this.bones; + + const geometry = this.geometry; + const position = geometry.getAttribute( 'position' ); + + _matrixWorldInv.copy( this.root.matrixWorld ).invert(); + + for ( let i = 0, j = 0; i < bones.length; i ++ ) { + + const bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z ); + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z ); + + j += 2; + + } + + } + + geometry.getAttribute( 'position' ).needsUpdate = true; + + super.updateMatrixWorld( force ); + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + + +function getBoneList( object ) { + + const boneList = []; + + if ( object.isBone === true ) { + + boneList.push( object ); + + } + + for ( let i = 0; i < object.children.length; i ++ ) { + + boneList.push.apply( boneList, getBoneList( object.children[ i ] ) ); + + } + + return boneList; + +} + +class PointLightHelper extends Mesh { + + constructor( light, sphereSize, color ) { + + const geometry = new SphereGeometry( sphereSize, 4, 2 ); + const material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + + super( geometry, material ); + + this.light = light; + + this.color = color; + + this.type = 'PointLightHelper'; + + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + + this.update(); + + + /* + // TODO: delete this comment? + const distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); + const distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + + const d = light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.scale.set( d, d, d ); + + } + + this.add( this.lightDistance ); + */ + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + + update() { + + this.light.updateWorldMatrix( true, false ); + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + this.material.color.copy( this.light.color ); + + } + + /* + const d = this.light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); + + } + */ + + } + +} + +const _vector$1 = /*@__PURE__*/ new Vector3(); +const _color1 = /*@__PURE__*/ new Color(); +const _color2 = /*@__PURE__*/ new Color(); + +class HemisphereLightHelper extends Object3D { + + constructor( light, size, color ) { + + super(); + + this.light = light; + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + this.type = 'HemisphereLightHelper'; + + const geometry = new OctahedronGeometry( size ); + geometry.rotateY( Math.PI * 0.5 ); + + this.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + if ( this.color === undefined ) this.material.vertexColors = true; + + const position = geometry.getAttribute( 'position' ); + const colors = new Float32Array( position.count * 3 ); + + geometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) ); + + this.add( new Mesh( geometry, this.material ) ); + + this.update(); + + } + + dispose() { + + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + + } + + update() { + + const mesh = this.children[ 0 ]; + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + const colors = mesh.geometry.getAttribute( 'color' ); + + _color1.copy( this.light.color ); + _color2.copy( this.light.groundColor ); + + for ( let i = 0, l = colors.count; i < l; i ++ ) { + + const color = ( i < ( l / 2 ) ) ? _color1 : _color2; + + colors.setXYZ( i, color.r, color.g, color.b ); + + } + + colors.needsUpdate = true; + + } + + this.light.updateWorldMatrix( true, false ); + + mesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + + } + +} + +class GridHelper extends LineSegments { + + constructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) { + + color1 = new Color( color1 ); + color2 = new Color( color2 ); + + const center = divisions / 2; + const step = size / divisions; + const halfSize = size / 2; + + const vertices = [], colors = []; + + for ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) { + + vertices.push( - halfSize, 0, k, halfSize, 0, k ); + vertices.push( k, 0, - halfSize, k, 0, halfSize ); + + const color = i === center ? color1 : color2; + + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + + } + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'GridHelper'; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +class PolarGridHelper extends LineSegments { + + constructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) { + + color1 = new Color( color1 ); + color2 = new Color( color2 ); + + const vertices = []; + const colors = []; + + // create the sectors + + if ( sectors > 1 ) { + + for ( let i = 0; i < sectors; i ++ ) { + + const v = ( i / sectors ) * ( Math.PI * 2 ); + + const x = Math.sin( v ) * radius; + const z = Math.cos( v ) * radius; + + vertices.push( 0, 0, 0 ); + vertices.push( x, 0, z ); + + const color = ( i & 1 ) ? color1 : color2; + + colors.push( color.r, color.g, color.b ); + colors.push( color.r, color.g, color.b ); + + } + + } + + // create the rings + + for ( let i = 0; i < rings; i ++ ) { + + const color = ( i & 1 ) ? color1 : color2; + + const r = radius - ( radius / rings * i ); + + for ( let j = 0; j < divisions; j ++ ) { + + // first vertex + + let v = ( j / divisions ) * ( Math.PI * 2 ); + + let x = Math.sin( v ) * r; + let z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + // second vertex + + v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 ); + + x = Math.sin( v ) * r; + z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + } + + } + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'PolarGridHelper'; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +const _v1 = /*@__PURE__*/ new Vector3(); +const _v2 = /*@__PURE__*/ new Vector3(); +const _v3 = /*@__PURE__*/ new Vector3(); + +class DirectionalLightHelper extends Object3D { + + constructor( light, size, color ) { + + super(); + + this.light = light; + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + this.type = 'DirectionalLightHelper'; + + if ( size === undefined ) size = 1; + + let geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); + + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + + this.lightPlane = new Line( geometry, material ); + this.add( this.lightPlane ); + + geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + + this.targetLine = new Line( geometry, material ); + this.add( this.targetLine ); + + this.update(); + + } + + dispose() { + + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + + } + + update() { + + this.light.updateWorldMatrix( true, false ); + this.light.target.updateWorldMatrix( true, false ); + + _v1.setFromMatrixPosition( this.light.matrixWorld ); + _v2.setFromMatrixPosition( this.light.target.matrixWorld ); + _v3.subVectors( _v2, _v1 ); + + this.lightPlane.lookAt( _v2 ); + + if ( this.color !== undefined ) { + + this.lightPlane.material.color.set( this.color ); + this.targetLine.material.color.set( this.color ); + + } else { + + this.lightPlane.material.color.copy( this.light.color ); + this.targetLine.material.color.copy( this.light.color ); + + } + + this.targetLine.lookAt( _v2 ); + this.targetLine.scale.z = _v3.length(); + + } + +} + +const _vector = /*@__PURE__*/ new Vector3(); +const _camera$1 = /*@__PURE__*/ new Camera(); + +/** + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * https://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html + */ + +class CameraHelper extends LineSegments { + + constructor( camera ) { + + const geometry = new BufferGeometry(); + const material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } ); + + const vertices = []; + const colors = []; + + const pointMap = {}; + + // near + + addLine( 'n1', 'n2' ); + addLine( 'n2', 'n4' ); + addLine( 'n4', 'n3' ); + addLine( 'n3', 'n1' ); + + // far + + addLine( 'f1', 'f2' ); + addLine( 'f2', 'f4' ); + addLine( 'f4', 'f3' ); + addLine( 'f3', 'f1' ); + + // sides + + addLine( 'n1', 'f1' ); + addLine( 'n2', 'f2' ); + addLine( 'n3', 'f3' ); + addLine( 'n4', 'f4' ); + + // cone + + addLine( 'p', 'n1' ); + addLine( 'p', 'n2' ); + addLine( 'p', 'n3' ); + addLine( 'p', 'n4' ); + + // up + + addLine( 'u1', 'u2' ); + addLine( 'u2', 'u3' ); + addLine( 'u3', 'u1' ); + + // target + + addLine( 'c', 't' ); + addLine( 'p', 'c' ); + + // cross + + addLine( 'cn1', 'cn2' ); + addLine( 'cn3', 'cn4' ); + + addLine( 'cf1', 'cf2' ); + addLine( 'cf3', 'cf4' ); + + function addLine( a, b ) { + + addPoint( a ); + addPoint( b ); + + } + + function addPoint( id ) { + + vertices.push( 0, 0, 0 ); + colors.push( 0, 0, 0 ); + + if ( pointMap[ id ] === undefined ) { + + pointMap[ id ] = []; + + } + + pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + super( geometry, material ); + + this.type = 'CameraHelper'; + + this.camera = camera; + if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + + this.pointMap = pointMap; + + this.update(); + + // colors + + const colorFrustum = new Color( 0xffaa00 ); + const colorCone = new Color( 0xff0000 ); + const colorUp = new Color( 0x00aaff ); + const colorTarget = new Color( 0xffffff ); + const colorCross = new Color( 0x333333 ); + + this.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross ); + + } + + setColors( frustum, cone, up, target, cross ) { + + const geometry = this.geometry; + + const colorAttribute = geometry.getAttribute( 'color' ); + + // near + + colorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2 + colorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4 + colorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3 + colorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1 + + // far + + colorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2 + colorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4 + colorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3 + colorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1 + + // sides + + colorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1 + colorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2 + colorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3 + colorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4 + + // cone + + colorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1 + colorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2 + colorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3 + colorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4 + + // up + + colorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2 + colorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3 + colorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1 + + // target + + colorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t + colorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c + + // cross + + colorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2 + colorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4 + + colorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2 + colorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4 + + colorAttribute.needsUpdate = true; + + } + + update() { + + const geometry = this.geometry; + const pointMap = this.pointMap; + + const w = 1, h = 1; + + // we need just camera projection matrix inverse + // world matrix must be identity + + _camera$1.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); + + // center / target + + setPoint( 'c', pointMap, geometry, _camera$1, 0, 0, - 1 ); + setPoint( 't', pointMap, geometry, _camera$1, 0, 0, 1 ); + + // near + + setPoint( 'n1', pointMap, geometry, _camera$1, - w, - h, - 1 ); + setPoint( 'n2', pointMap, geometry, _camera$1, w, - h, - 1 ); + setPoint( 'n3', pointMap, geometry, _camera$1, - w, h, - 1 ); + setPoint( 'n4', pointMap, geometry, _camera$1, w, h, - 1 ); + + // far + + setPoint( 'f1', pointMap, geometry, _camera$1, - w, - h, 1 ); + setPoint( 'f2', pointMap, geometry, _camera$1, w, - h, 1 ); + setPoint( 'f3', pointMap, geometry, _camera$1, - w, h, 1 ); + setPoint( 'f4', pointMap, geometry, _camera$1, w, h, 1 ); + + // up + + setPoint( 'u1', pointMap, geometry, _camera$1, w * 0.7, h * 1.1, - 1 ); + setPoint( 'u2', pointMap, geometry, _camera$1, - w * 0.7, h * 1.1, - 1 ); + setPoint( 'u3', pointMap, geometry, _camera$1, 0, h * 2, - 1 ); + + // cross + + setPoint( 'cf1', pointMap, geometry, _camera$1, - w, 0, 1 ); + setPoint( 'cf2', pointMap, geometry, _camera$1, w, 0, 1 ); + setPoint( 'cf3', pointMap, geometry, _camera$1, 0, - h, 1 ); + setPoint( 'cf4', pointMap, geometry, _camera$1, 0, h, 1 ); + + setPoint( 'cn1', pointMap, geometry, _camera$1, - w, 0, - 1 ); + setPoint( 'cn2', pointMap, geometry, _camera$1, w, 0, - 1 ); + setPoint( 'cn3', pointMap, geometry, _camera$1, 0, - h, - 1 ); + setPoint( 'cn4', pointMap, geometry, _camera$1, 0, h, - 1 ); + + geometry.getAttribute( 'position' ).needsUpdate = true; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + + +function setPoint( point, pointMap, geometry, camera, x, y, z ) { + + _vector.set( x, y, z ).unproject( camera ); + + const points = pointMap[ point ]; + + if ( points !== undefined ) { + + const position = geometry.getAttribute( 'position' ); + + for ( let i = 0, l = points.length; i < l; i ++ ) { + + position.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z ); + + } + + } + +} + +const _box = /*@__PURE__*/ new Box3(); + +class BoxHelper extends LineSegments { + + constructor( object, color = 0xffff00 ) { + + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + const positions = new Float32Array( 8 * 3 ); + + const geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) ); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.object = object; + this.type = 'BoxHelper'; + + this.matrixAutoUpdate = false; + + this.update(); + + } + + update( object ) { + + if ( object !== undefined ) { + + console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' ); + + } + + if ( this.object !== undefined ) { + + _box.setFromObject( this.object ); + + } + + if ( _box.isEmpty() ) return; + + const min = _box.min; + const max = _box.max; + + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ + + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ + + const position = this.geometry.attributes.position; + const array = position.array; + + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + + position.needsUpdate = true; + + this.geometry.computeBoundingSphere(); + + } + + setFromObject( object ) { + + this.object = object; + this.update(); + + return this; + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.object = source.object; + + return this; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +class Box3Helper extends LineSegments { + + constructor( box, color = 0xffff00 ) { + + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + + const positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ]; + + const geometry = new BufferGeometry(); + + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.box = box; + + this.type = 'Box3Helper'; + + this.geometry.computeBoundingSphere(); + + } + + updateMatrixWorld( force ) { + + const box = this.box; + + if ( box.isEmpty() ) return; + + box.getCenter( this.position ); + + box.getSize( this.scale ); + + this.scale.multiplyScalar( 0.5 ); + + super.updateMatrixWorld( force ); + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +class PlaneHelper extends Line { + + constructor( plane, size = 1, hex = 0xffff00 ) { + + const color = hex; + + const positions = [ 1, - 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, - 1, 0, 1, 1, 0 ]; + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + geometry.computeBoundingSphere(); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.type = 'PlaneHelper'; + + this.plane = plane; + + this.size = size; + + const positions2 = [ 1, 1, 0, - 1, 1, 0, - 1, - 1, 0, 1, 1, 0, - 1, - 1, 0, 1, - 1, 0 ]; + + const geometry2 = new BufferGeometry(); + geometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); + geometry2.computeBoundingSphere(); + + this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) ); + + } + + updateMatrixWorld( force ) { + + this.position.set( 0, 0, 0 ); + + this.scale.set( 0.5 * this.size, 0.5 * this.size, 1 ); + + this.lookAt( this.plane.normal ); + + this.translateZ( - this.plane.constant ); + + super.updateMatrixWorld( force ); + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + + } + +} + +const _axis = /*@__PURE__*/ new Vector3(); +let _lineGeometry, _coneGeometry; + +class ArrowHelper extends Object3D { + + // dir is assumed to be normalized + + constructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + + super(); + + this.type = 'ArrowHelper'; + + if ( _lineGeometry === undefined ) { + + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + + _coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 ); + _coneGeometry.translate( 0, - 0.5, 0 ); + + } + + this.position.copy( origin ); + + this.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); + + this.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); + + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); + + } + + setDirection( dir ) { + + // dir is assumed to be normalized + + if ( dir.y > 0.99999 ) { + + this.quaternion.set( 0, 0, 0, 1 ); + + } else if ( dir.y < - 0.99999 ) { + + this.quaternion.set( 1, 0, 0, 0 ); + + } else { + + _axis.set( dir.z, 0, - dir.x ).normalize(); + + const radians = Math.acos( dir.y ); + + this.quaternion.setFromAxisAngle( _axis, radians ); + + } + + } + + setLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + + this.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458 + this.line.updateMatrix(); + + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); + + } + + setColor( color ) { + + this.line.material.color.set( color ); + this.cone.material.color.set( color ); + + } + + copy( source ) { + + super.copy( source, false ); + + this.line.copy( source.line ); + this.cone.copy( source.cone ); + + return this; + + } + + dispose() { + + this.line.geometry.dispose(); + this.line.material.dispose(); + this.cone.geometry.dispose(); + this.cone.material.dispose(); + + } + +} + +class AxesHelper extends LineSegments { + + constructor( size = 1 ) { + + const vertices = [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ]; + + const colors = [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ]; + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'AxesHelper'; + + } + + setColors( xAxisColor, yAxisColor, zAxisColor ) { + + const color = new Color(); + const array = this.geometry.attributes.color.array; + + color.set( xAxisColor ); + color.toArray( array, 0 ); + color.toArray( array, 3 ); + + color.set( yAxisColor ); + color.toArray( array, 6 ); + color.toArray( array, 9 ); + + color.set( zAxisColor ); + color.toArray( array, 12 ); + color.toArray( array, 15 ); + + this.geometry.attributes.color.needsUpdate = true; + + return this; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +class ShapePath { + + constructor() { + + this.type = 'ShapePath'; + + this.color = new Color(); + + this.subPaths = []; + this.currentPath = null; + + } + + moveTo( x, y ) { + + this.currentPath = new Path(); + this.subPaths.push( this.currentPath ); + this.currentPath.moveTo( x, y ); + + return this; + + } + + lineTo( x, y ) { + + this.currentPath.lineTo( x, y ); + + return this; + + } + + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + + return this; + + } + + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + + return this; + + } + + splineThru( pts ) { + + this.currentPath.splineThru( pts ); + + return this; + + } + + toShapes( isCCW ) { + + function toShapesNoHoles( inSubpaths ) { + + const shapes = []; + + for ( let i = 0, l = inSubpaths.length; i < l; i ++ ) { + + const tmpPath = inSubpaths[ i ]; + + const tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + + shapes.push( tmpShape ); + + } + + return shapes; + + } + + function isPointInsidePolygon( inPt, inPolygon ) { + + const polyLen = inPolygon.length; + + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + let inside = false; + for ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + + let edgeLowPt = inPolygon[ p ]; + let edgeHighPt = inPolygon[ q ]; + + let edgeDx = edgeHighPt.x - edgeLowPt.x; + let edgeDy = edgeHighPt.y - edgeLowPt.y; + + if ( Math.abs( edgeDy ) > Number.EPSILON ) { + + // not parallel + if ( edgeDy < 0 ) { + + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + + } + + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + + if ( inPt.y === edgeLowPt.y ) { + + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! + + } else { + + const perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt + + } + + } else { + + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; + + } + + } + + return inside; + + } + + const isClockWise = ShapeUtils.isClockWise; + + const subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; + + let solid, tmpPath, tmpShape; + const shapes = []; + + if ( subPaths.length === 1 ) { + + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; + + } + + let holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; + + // console.log("Holes first", holesFirst); + + const betterShapeHoles = []; + const newShapes = []; + let newShapeHoles = []; + let mainIdx = 0; + let tmpPoints; + + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; + + for ( let i = 0, l = subPaths.length; i < l; i ++ ) { + + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; + + if ( solid ) { + + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; + + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + + //console.log('cw', i); + + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); + + } + + } + + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + + + if ( newShapes.length > 1 ) { + + let ambiguous = false; + let toChange = 0; + + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + betterShapeHoles[ sIdx ] = []; + + } + + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + const sho = newShapeHoles[ sIdx ]; + + for ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) { + + const ho = sho[ hIdx ]; + let hole_unassigned = true; + + for ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + + if ( sIdx !== s2Idx ) toChange ++; + + if ( hole_unassigned ) { + + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); + + } else { + + ambiguous = true; + + } + + } + + } + + if ( hole_unassigned ) { + + betterShapeHoles[ sIdx ].push( ho ); + + } + + } + + } + + if ( toChange > 0 && ambiguous === false ) { + + newShapeHoles = betterShapeHoles; + + } + + } + + let tmpHoles; + + for ( let i = 0, il = newShapes.length; i < il; i ++ ) { + + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; + + for ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + + tmpShape.holes.push( tmpHoles[ j ].h ); + + } + + } + + //console.log("shape", shapes); + + return shapes; + + } + +} + +class WebGLMultipleRenderTargets extends WebGLRenderTarget { // @deprecated, r162 + + constructor( width = 1, height = 1, count = 1, options = {} ) { + + console.warn( 'THREE.WebGLMultipleRenderTargets has been deprecated and will be removed in r172. Use THREE.WebGLRenderTarget and set the "count" parameter to enable MRT.' ); + + super( width, height, { ...options, count } ); + + this.isWebGLMultipleRenderTargets = true; + + } + + get texture() { + + return this.textures; + + } + +} + +if ( self.GPUShaderStage === undefined ) { + + self.GPUShaderStage = { VERTEX: 1, FRAGMENT: 2, COMPUTE: 4 }; + +} + +// statics + +let isAvailable = navigator.gpu !== undefined; + + +if ( typeof window !== 'undefined' && isAvailable ) { + + isAvailable = await navigator.gpu.requestAdapter(); + +} + +class WebGPU { + + static isAvailable() { + + return Boolean( isAvailable ); + + } + + static getStaticAdapter() { + + return isAvailable; + + } + + static getErrorMessage() { + + const message = 'Your browser does not support WebGPU yet'; + + const element = document.createElement( 'div' ); + element.id = 'webgpumessage'; + element.style.fontFamily = 'monospace'; + element.style.fontSize = '13px'; + element.style.fontWeight = 'normal'; + element.style.textAlign = 'center'; + element.style.background = '#fff'; + element.style.color = '#000'; + element.style.padding = '1.5em'; + element.style.maxWidth = '400px'; + element.style.margin = '5em auto 0'; + + element.innerHTML = message; + + return element; + + } + +} + +class Animation { + + constructor( nodes, info ) { + + this.nodes = nodes; + this.info = info; + + this.animationLoop = null; + this.requestId = null; + + this._init(); + + } + + _init() { + + const update = ( time, frame ) => { + + this.requestId = self.requestAnimationFrame( update ); + + if ( this.info.autoReset === true ) this.info.reset(); + + this.nodes.nodeFrame.update(); + + this.info.frame = this.nodes.nodeFrame.frameId; + + if ( this.animationLoop !== null ) this.animationLoop( time, frame ); + + }; + + update(); + + } + + dispose() { + + self.cancelAnimationFrame( this.requestId ); + this.requestId = null; + + } + + setAnimationLoop( callback ) { + + this.animationLoop = callback; + + } + +} + +class ChainMap { + + constructor() { + + this.weakMap = new WeakMap(); + + } + + get( keys ) { + + let map = this.weakMap; + + for ( let i = 0; i < keys.length; i ++ ) { + + map = map.get( keys[ i ] ); + + if ( map === undefined ) return undefined; + + } + + return map.get( keys[ keys.length - 1 ] ); + + } + + set( keys, value ) { + + let map = this.weakMap; + + for ( let i = 0; i < keys.length; i ++ ) { + + const key = keys[ i ]; + + if ( map.has( key ) === false ) map.set( key, new WeakMap() ); + + map = map.get( key ); + + } + + return map.set( keys[ keys.length - 1 ], value ); + + } + + delete( keys ) { + + let map = this.weakMap; + + for ( let i = 0; i < keys.length; i ++ ) { + + map = map.get( keys[ i ] ); + + if ( map === undefined ) return false; + + } + + return map.delete( keys[ keys.length - 1 ] ); + + } + +} + +const _plane = new Plane(); + +let _clippingContextVersion = 0; + +class ClippingContext { + + constructor() { + + this.version = ++ _clippingContextVersion; + + this.globalClippingCount = 0; + + this.localClippingCount = 0; + this.localClippingEnabled = false; + this.localClipIntersection = false; + + this.planes = []; + + this.parentVersion = 0; + this.viewNormalMatrix = new Matrix3(); + + } + + projectPlanes( source, offset ) { + + const l = source.length; + const planes = this.planes; + + for ( let i = 0; i < l; i ++ ) { + + _plane.copy( source[ i ] ).applyMatrix4( this.viewMatrix, this.viewNormalMatrix ); + + const v = planes[ offset + i ]; + const normal = _plane.normal; + + v.x = - normal.x; + v.y = - normal.y; + v.z = - normal.z; + v.w = _plane.constant; + + } + + } + + updateGlobal( renderer, camera ) { + + const rendererClippingPlanes = renderer.clippingPlanes; + this.viewMatrix = camera.matrixWorldInverse; + + this.viewNormalMatrix.getNormalMatrix( this.viewMatrix ); + + let update = false; + + if ( Array.isArray( rendererClippingPlanes ) && rendererClippingPlanes.length !== 0 ) { + + const l = rendererClippingPlanes.length; + + if ( l !== this.globalClippingCount ) { + + const planes = []; + + for ( let i = 0; i < l; i ++ ) { + + planes.push( new Vector4() ); + + } + + this.globalClippingCount = l; + this.planes = planes; + + update = true; + + } + + this.projectPlanes( rendererClippingPlanes, 0 ); + + } else if ( this.globalClippingCount !== 0 ) { + + this.globalClippingCount = 0; + this.planes = []; + update = true; + + } + + if ( renderer.localClippingEnabled !== this.localClippingEnabled ) { + + this.localClippingEnabled = renderer.localClippingEnabled; + update = true; + + } + + if ( update ) this.version = _clippingContextVersion ++; + + } + + update( parent, material ) { + + let update = false; + + if ( this !== parent && parent.version !== this.parentVersion ) { + + this.globalClippingCount = material.isShadowNodeMaterial ? 0 : parent.globalClippingCount; + this.localClippingEnabled = parent.localClippingEnabled; + this.planes = Array.from( parent.planes ); + this.parentVersion = parent.version; + this.viewMatrix = parent.viewMatrix; + this.viewNormalMatrix = parent.viewNormalMatrix; + + update = true; + + } + + if ( this.localClippingEnabled ) { + + const localClippingPlanes = material.clippingPlanes; + + if ( ( Array.isArray( localClippingPlanes ) && localClippingPlanes.length !== 0 ) ) { + + const l = localClippingPlanes.length; + const planes = this.planes; + const offset = this.globalClippingCount; + + if ( update || l !== this.localClippingCount ) { + + planes.length = offset + l; + + for ( let i = 0; i < l; i ++ ) { + + planes[ offset + i ] = new Vector4(); + + } + + this.localClippingCount = l; + update = true; + + } + + this.projectPlanes( localClippingPlanes, offset ); + + + } else if ( this.localClippingCount !== 0 ) { + + this.localClippingCount = 0; + update = true; + + } + + if ( this.localClipIntersection !== material.clipIntersection ) { + + this.localClipIntersection = material.clipIntersection; + update = true; + + } + + } + + if ( update ) this.version = _clippingContextVersion ++; + + } + +} + +let id$4 = 0; + +function getKeys( obj ) { + + const keys = Object.keys( obj ); + + let proto = Object.getPrototypeOf( obj ); + + while ( proto ) { + + const descriptors = Object.getOwnPropertyDescriptors( proto ); + + for ( const key in descriptors ) { + + if ( descriptors[ key ] !== undefined ) { + + const descriptor = descriptors[ key ]; + + if ( descriptor && typeof descriptor.get === 'function' ) { + + keys.push( key ); + + } + + } + + } + + proto = Object.getPrototypeOf( proto ); + + } + + return keys; + +} + +class RenderObject { + + constructor( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext ) { + + this._nodes = nodes; + this._geometries = geometries; + + this.id = id$4 ++; + + this.renderer = renderer; + this.object = object; + this.material = material; + this.scene = scene; + this.camera = camera; + this.lightsNode = lightsNode; + this.context = renderContext; + + this.geometry = object.geometry; + this.version = material.version; + + this.drawRange = null; + + this.attributes = null; + this.pipeline = null; + this.vertexBuffers = null; + + this.updateClipping( renderContext.clippingContext ); + + this.clippingContextVersion = this.clippingContext.version; + + this.initialNodesCacheKey = this.getNodesCacheKey(); + this.initialCacheKey = this.getCacheKey(); + + this._nodeBuilderState = null; + this._bindings = null; + + this.onDispose = null; + + this.isRenderObject = true; + + this.onMaterialDispose = () => { + + this.dispose(); + + }; + + this.material.addEventListener( 'dispose', this.onMaterialDispose ); + + } + + updateClipping( parent ) { + + const material = this.material; + + let clippingContext = this.clippingContext; + + if ( Array.isArray( material.clippingPlanes ) ) { + + if ( clippingContext === parent || ! clippingContext ) { + + clippingContext = new ClippingContext(); + this.clippingContext = clippingContext; + + } + + clippingContext.update( parent, material ); + + } else if ( this.clippingContext !== parent ) { + + this.clippingContext = parent; + + } + + } + + get clippingNeedsUpdate() { + + if ( this.clippingContext.version === this.clippingContextVersion ) return false; + + this.clippingContextVersion = this.clippingContext.version; + + return true; + + } + + getNodeBuilderState() { + + return this._nodeBuilderState || ( this._nodeBuilderState = this._nodes.getForRender( this ) ); + + } + + getBindings() { + + return this._bindings || ( this._bindings = this.getNodeBuilderState().createBindings() ); + + } + + getIndex() { + + return this._geometries.getIndex( this ); + + } + + getChainArray() { + + return [ this.object, this.material, this.context, this.lightsNode ]; + + } + + getAttributes() { + + if ( this.attributes !== null ) return this.attributes; + + const nodeAttributes = this.getNodeBuilderState().nodeAttributes; + const geometry = this.geometry; + + const attributes = []; + const vertexBuffers = new Set(); + + for ( const nodeAttribute of nodeAttributes ) { + + const attribute = nodeAttribute.node && nodeAttribute.node.attribute ? nodeAttribute.node.attribute : geometry.getAttribute( nodeAttribute.name ); + + if ( attribute === undefined ) continue; + + attributes.push( attribute ); + + const bufferAttribute = attribute.isInterleavedBufferAttribute ? attribute.data : attribute; + vertexBuffers.add( bufferAttribute ); + + } + + this.attributes = attributes; + this.vertexBuffers = Array.from( vertexBuffers.values() ); + + return attributes; + + } + + getVertexBuffers() { + + if ( this.vertexBuffers === null ) this.getAttributes(); + + return this.vertexBuffers; + + } + + getMaterialCacheKey() { + + const { object, material } = this; + + let cacheKey = material.customProgramCacheKey(); + + for ( const property of getKeys( material ) ) { + + if ( /^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test( property ) ) continue; + + let value = material[ property ]; + + if ( value !== null ) { + + const type = typeof value; + + if ( type === 'number' ) value = value !== 0 ? '1' : '0'; // Convert to on/off, important for clearcoat, transmission, etc + else if ( type === 'object' ) value = '{}'; + + } + + cacheKey += /*property + ':' +*/ value + ','; + + } + + cacheKey += this.clippingContextVersion + ','; + + if ( object.skeleton ) { + + cacheKey += object.skeleton.bones.length + ','; + + } + + if ( object.morphTargetInfluences ) { + + cacheKey += object.morphTargetInfluences.length + ','; + + } + + if ( object.isBatchedMesh ) { + + cacheKey += object._matricesTexture.uuid + ','; + + if ( object._colorsTexture !== null ) { + + cacheKey += object._colorsTexture.uuid + ','; + + } + + } + + if ( object.count > 1 ) { + + cacheKey += object.count + ','; + + } + + return cacheKey; + + } + + get needsUpdate() { + + return this.initialNodesCacheKey !== this.getNodesCacheKey() || this.clippingNeedsUpdate; + + } + + getNodesCacheKey() { + + // Environment Nodes Cache Key + + return this._nodes.getCacheKey( this.scene, this.lightsNode ); + + } + + getCacheKey() { + + return this.getMaterialCacheKey() + ',' + this.getNodesCacheKey(); + + } + + dispose() { + + this.material.removeEventListener( 'dispose', this.onMaterialDispose ); + + this.onDispose(); + + } + +} + +class RenderObjects { + + constructor( renderer, nodes, geometries, pipelines, bindings, info ) { + + this.renderer = renderer; + this.nodes = nodes; + this.geometries = geometries; + this.pipelines = pipelines; + this.bindings = bindings; + this.info = info; + + this.chainMaps = {}; + + } + + get( object, material, scene, camera, lightsNode, renderContext, passId ) { + + const chainMap = this.getChainMap( passId ); + const chainArray = [ object, material, renderContext, lightsNode ]; + + let renderObject = chainMap.get( chainArray ); + + if ( renderObject === undefined ) { + + renderObject = this.createRenderObject( this.nodes, this.geometries, this.renderer, object, material, scene, camera, lightsNode, renderContext, passId ); + + chainMap.set( chainArray, renderObject ); + + } else { + + renderObject.updateClipping( renderContext.clippingContext ); + + if ( renderObject.version !== material.version || renderObject.needsUpdate ) { + + if ( renderObject.initialCacheKey !== renderObject.getCacheKey() ) { + + renderObject.dispose(); + + renderObject = this.get( object, material, scene, camera, lightsNode, renderContext, passId ); + + } else { + + renderObject.version = material.version; + + } + + } + + } + + return renderObject; + + } + + getChainMap( passId = 'default' ) { + + return this.chainMaps[ passId ] || ( this.chainMaps[ passId ] = new ChainMap() ); + + } + + dispose() { + + this.chainMaps = {}; + + } + + createRenderObject( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext, passId ) { + + const chainMap = this.getChainMap( passId ); + + const renderObject = new RenderObject( nodes, geometries, renderer, object, material, scene, camera, lightsNode, renderContext ); + + renderObject.onDispose = () => { + + this.pipelines.delete( renderObject ); + this.bindings.delete( renderObject ); + this.nodes.delete( renderObject ); + + chainMap.delete( renderObject.getChainArray() ); + + }; + + return renderObject; + + } + + +} + +class DataMap { + + constructor() { + + this.data = new WeakMap(); + + } + + get( object ) { + + let map = this.data.get( object ); + + if ( map === undefined ) { + + map = {}; + this.data.set( object, map ); + + } + + return map; + + } + + delete( object ) { + + let map; + + if ( this.data.has( object ) ) { + + map = this.data.get( object ); + + this.data.delete( object ); + + } + + return map; + + } + + has( object ) { + + return this.data.has( object ); + + } + + dispose() { + + this.data = new WeakMap(); + + } + +} + +const AttributeType = { + VERTEX: 1, + INDEX: 2, + STORAGE: 4 +}; + +// size of a chunk in bytes (STD140 layout) + +const GPU_CHUNK_BYTES = 16; + +// @TODO: Move to src/constants.js + +const BlendColorFactor = 211; +const OneMinusBlendColorFactor = 212; + +class Attributes extends DataMap { + + constructor( backend ) { + + super(); + + this.backend = backend; + + } + + delete( attribute ) { + + const attributeData = super.delete( attribute ); + + if ( attributeData !== undefined ) { + + this.backend.destroyAttribute( attribute ); + + } + + return attributeData; + + } + + update( attribute, type ) { + + const data = this.get( attribute ); + + if ( data.version === undefined ) { + + if ( type === AttributeType.VERTEX ) { + + this.backend.createAttribute( attribute ); + + } else if ( type === AttributeType.INDEX ) { + + this.backend.createIndexAttribute( attribute ); + + } else if ( type === AttributeType.STORAGE ) { + + this.backend.createStorageAttribute( attribute ); + + } + + data.version = this._getBufferAttribute( attribute ).version; + + } else { + + const bufferAttribute = this._getBufferAttribute( attribute ); + + if ( data.version < bufferAttribute.version || bufferAttribute.usage === DynamicDrawUsage ) { + + this.backend.updateAttribute( attribute ); + + data.version = bufferAttribute.version; + + } + + } + + } + + _getBufferAttribute( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + return attribute; + + } + +} + +function arrayNeedsUint32( array ) { + + // assumes larger values usually on last + + for ( let i = array.length - 1; i >= 0; -- i ) { + + if ( array[ i ] >= 65535 ) return true; // account for PRIMITIVE_RESTART_FIXED_INDEX, #24565 + + } + + return false; + +} + +function getWireframeVersion( geometry ) { + + return ( geometry.index !== null ) ? geometry.index.version : geometry.attributes.position.version; + +} + +function getWireframeIndex( geometry ) { + + const indices = []; + + const geometryIndex = geometry.index; + const geometryPosition = geometry.attributes.position; + + if ( geometryIndex !== null ) { + + const array = geometryIndex.array; + + for ( let i = 0, l = array.length; i < l; i += 3 ) { + + const a = array[ i + 0 ]; + const b = array[ i + 1 ]; + const c = array[ i + 2 ]; + + indices.push( a, b, b, c, c, a ); + + } + + } else { + + const array = geometryPosition.array; + + for ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + + const a = i + 0; + const b = i + 1; + const c = i + 2; + + indices.push( a, b, b, c, c, a ); + + } + + } + + const attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); + attribute.version = getWireframeVersion( geometry ); + + return attribute; + +} + +class Geometries extends DataMap { + + constructor( attributes, info ) { + + super(); + + this.attributes = attributes; + this.info = info; + + this.wireframes = new WeakMap(); + + this.attributeCall = new WeakMap(); + + } + + has( renderObject ) { + + const geometry = renderObject.geometry; + + return super.has( geometry ) && this.get( geometry ).initialized === true; + + } + + updateForRender( renderObject ) { + + if ( this.has( renderObject ) === false ) this.initGeometry( renderObject ); + + this.updateAttributes( renderObject ); + + } + + initGeometry( renderObject ) { + + const geometry = renderObject.geometry; + const geometryData = this.get( geometry ); + + geometryData.initialized = true; + + this.info.memory.geometries ++; + + const onDispose = () => { + + this.info.memory.geometries --; + + const index = geometry.index; + const geometryAttributes = renderObject.getAttributes(); + + if ( index !== null ) { + + this.attributes.delete( index ); + + } + + for ( const geometryAttribute of geometryAttributes ) { + + this.attributes.delete( geometryAttribute ); + + } + + const wireframeAttribute = this.wireframes.get( geometry ); + + if ( wireframeAttribute !== undefined ) { + + this.attributes.delete( wireframeAttribute ); + + } + + geometry.removeEventListener( 'dispose', onDispose ); + + }; + + geometry.addEventListener( 'dispose', onDispose ); + + } + + updateAttributes( renderObject ) { + + const attributes = renderObject.getAttributes(); + + for ( const attribute of attributes ) { + + if ( attribute.isStorageBufferAttribute || attribute.isStorageInstancedBufferAttribute ) { + + this.updateAttribute( attribute, AttributeType.STORAGE ); + + } else { + + this.updateAttribute( attribute, AttributeType.VERTEX ); + + } + + } + + const index = this.getIndex( renderObject ); + + if ( index !== null ) { + + this.updateAttribute( index, AttributeType.INDEX ); + + } + + } + + updateAttribute( attribute, type ) { + + const callId = this.info.render.calls; + + if ( ! attribute.isInterleavedBufferAttribute ) { + + if ( this.attributeCall.get( attribute ) !== callId ) { + + this.attributes.update( attribute, type ); + + this.attributeCall.set( attribute, callId ); + + } + + } else { + + if ( this.attributeCall.get( attribute ) === undefined ) { + + this.attributes.update( attribute, type ); + + this.attributeCall.set( attribute, callId ); + + } else if ( this.attributeCall.get( attribute.data ) !== callId ) { + + this.attributes.update( attribute, type ); + + this.attributeCall.set( attribute.data, callId ); + + this.attributeCall.set( attribute, callId ); + + } + + } + + } + + getIndex( renderObject ) { + + const { geometry, material } = renderObject; + + let index = geometry.index; + + if ( material.wireframe === true ) { + + const wireframes = this.wireframes; + + let wireframeAttribute = wireframes.get( geometry ); + + if ( wireframeAttribute === undefined ) { + + wireframeAttribute = getWireframeIndex( geometry ); + + wireframes.set( geometry, wireframeAttribute ); + + } else if ( wireframeAttribute.version !== getWireframeVersion( geometry ) ) { + + this.attributes.delete( wireframeAttribute ); + + wireframeAttribute = getWireframeIndex( geometry ); + + wireframes.set( geometry, wireframeAttribute ); + + } + + index = wireframeAttribute; + + } + + return index; + + } + +} + +class Info { + + constructor() { + + this.autoReset = true; + + this.frame = 0; + this.calls = 0; + + this.render = { + calls: 0, + frameCalls: 0, + drawCalls: 0, + triangles: 0, + points: 0, + lines: 0, + timestamp: 0, + previousFrameCalls: 0, + timestampCalls: 0 + }; + + this.compute = { + calls: 0, + frameCalls: 0, + timestamp: 0, + previousFrameCalls: 0, + timestampCalls: 0 + }; + + this.memory = { + geometries: 0, + textures: 0 + }; + + } + + update( object, count, instanceCount ) { + + this.render.drawCalls ++; + + if ( object.isMesh || object.isSprite ) { + + this.render.triangles += instanceCount * ( count / 3 ); + + } else if ( object.isPoints ) { + + this.render.points += instanceCount * count; + + } else if ( object.isLineSegments ) { + + this.render.lines += instanceCount * ( count / 2 ); + + } else if ( object.isLine ) { + + this.render.lines += instanceCount * ( count - 1 ); + + } else { + + console.error( 'THREE.WebGPUInfo: Unknown object type.' ); + + } + + } + + updateTimestamp( type, time ) { + + if ( this[ type ].timestampCalls === 0 ) { + + this[ type ].timestamp = 0; + + } + + + this[ type ].timestamp += time; + + this[ type ].timestampCalls ++; + + + if ( this[ type ].timestampCalls >= this[ type ].previousFrameCalls ) { + + this[ type ].timestampCalls = 0; + + } + + + } + + reset() { + + const previousRenderFrameCalls = this.render.frameCalls; + this.render.previousFrameCalls = previousRenderFrameCalls; + + const previousComputeFrameCalls = this.compute.frameCalls; + this.compute.previousFrameCalls = previousComputeFrameCalls; + + + this.render.drawCalls = 0; + this.render.frameCalls = 0; + this.compute.frameCalls = 0; + + this.render.triangles = 0; + this.render.points = 0; + this.render.lines = 0; + + + } + + dispose() { + + this.reset(); + + this.calls = 0; + + this.render.calls = 0; + this.compute.calls = 0; + + this.render.timestamp = 0; + this.compute.timestamp = 0; + this.memory.geometries = 0; + this.memory.textures = 0; + + } + +} + +class Pipeline { + + constructor( cacheKey ) { + + this.cacheKey = cacheKey; + + this.usedTimes = 0; + + } + +} + +class RenderPipeline extends Pipeline { + + constructor( cacheKey, vertexProgram, fragmentProgram ) { + + super( cacheKey ); + + this.vertexProgram = vertexProgram; + this.fragmentProgram = fragmentProgram; + + } + +} + +class ComputePipeline extends Pipeline { + + constructor( cacheKey, computeProgram ) { + + super( cacheKey ); + + this.computeProgram = computeProgram; + + this.isComputePipeline = true; + + } + +} + +let _id$4 = 0; + +class ProgrammableStage { + + constructor( code, type, transforms = null, attributes = null ) { + + this.id = _id$4 ++; + + this.code = code; + this.stage = type; + this.transforms = transforms; + this.attributes = attributes; + + this.usedTimes = 0; + + } + +} + +class Pipelines extends DataMap { + + constructor( backend, nodes ) { + + super(); + + this.backend = backend; + this.nodes = nodes; + + this.bindings = null; // set by the bindings + + this.caches = new Map(); + this.programs = { + vertex: new Map(), + fragment: new Map(), + compute: new Map() + }; + + } + + getForCompute( computeNode, bindings ) { + + const { backend } = this; + + const data = this.get( computeNode ); + + if ( this._needsComputeUpdate( computeNode ) ) { + + const previousPipeline = data.pipeline; + + if ( previousPipeline ) { + + previousPipeline.usedTimes --; + previousPipeline.computeProgram.usedTimes --; + + } + + // get shader + + const nodeBuilderState = this.nodes.getForCompute( computeNode ); + + // programmable stage + + let stageCompute = this.programs.compute.get( nodeBuilderState.computeShader ); + + if ( stageCompute === undefined ) { + + if ( previousPipeline && previousPipeline.computeProgram.usedTimes === 0 ) this._releaseProgram( previousPipeline.computeProgram ); + + stageCompute = new ProgrammableStage( nodeBuilderState.computeShader, 'compute', nodeBuilderState.transforms, nodeBuilderState.nodeAttributes ); + this.programs.compute.set( nodeBuilderState.computeShader, stageCompute ); + + backend.createProgram( stageCompute ); + + } + + // determine compute pipeline + + const cacheKey = this._getComputeCacheKey( computeNode, stageCompute ); + + let pipeline = this.caches.get( cacheKey ); + + if ( pipeline === undefined ) { + + if ( previousPipeline && previousPipeline.usedTimes === 0 ) this._releasePipeline( previousPipeline ); + + pipeline = this._getComputePipeline( computeNode, stageCompute, cacheKey, bindings ); + + } + + // keep track of all used times + + pipeline.usedTimes ++; + stageCompute.usedTimes ++; + + // + + data.version = computeNode.version; + data.pipeline = pipeline; + + } + + return data.pipeline; + + } + + getForRender( renderObject, promises = null ) { + + const { backend } = this; + + const data = this.get( renderObject ); + + if ( this._needsRenderUpdate( renderObject ) ) { + + const previousPipeline = data.pipeline; + + if ( previousPipeline ) { + + previousPipeline.usedTimes --; + previousPipeline.vertexProgram.usedTimes --; + previousPipeline.fragmentProgram.usedTimes --; + + } + + // get shader + + const nodeBuilderState = renderObject.getNodeBuilderState(); + + // programmable stages + + let stageVertex = this.programs.vertex.get( nodeBuilderState.vertexShader ); + + if ( stageVertex === undefined ) { + + if ( previousPipeline && previousPipeline.vertexProgram.usedTimes === 0 ) this._releaseProgram( previousPipeline.vertexProgram ); + + stageVertex = new ProgrammableStage( nodeBuilderState.vertexShader, 'vertex' ); + this.programs.vertex.set( nodeBuilderState.vertexShader, stageVertex ); + + backend.createProgram( stageVertex ); + + } + + let stageFragment = this.programs.fragment.get( nodeBuilderState.fragmentShader ); + + if ( stageFragment === undefined ) { + + if ( previousPipeline && previousPipeline.fragmentProgram.usedTimes === 0 ) this._releaseProgram( previousPipeline.fragmentProgram ); + + stageFragment = new ProgrammableStage( nodeBuilderState.fragmentShader, 'fragment' ); + this.programs.fragment.set( nodeBuilderState.fragmentShader, stageFragment ); + + backend.createProgram( stageFragment ); + + } + + // determine render pipeline + + const cacheKey = this._getRenderCacheKey( renderObject, stageVertex, stageFragment ); + + let pipeline = this.caches.get( cacheKey ); + + if ( pipeline === undefined ) { + + if ( previousPipeline && previousPipeline.usedTimes === 0 ) this._releasePipeline( previousPipeline ); + + pipeline = this._getRenderPipeline( renderObject, stageVertex, stageFragment, cacheKey, promises ); + + } else { + + renderObject.pipeline = pipeline; + + } + + // keep track of all used times + + pipeline.usedTimes ++; + stageVertex.usedTimes ++; + stageFragment.usedTimes ++; + + // + + data.pipeline = pipeline; + + } + + return data.pipeline; + + } + + delete( object ) { + + const pipeline = this.get( object ).pipeline; + + if ( pipeline ) { + + // pipeline + + pipeline.usedTimes --; + + if ( pipeline.usedTimes === 0 ) this._releasePipeline( pipeline ); + + // programs + + if ( pipeline.isComputePipeline ) { + + pipeline.computeProgram.usedTimes --; + + if ( pipeline.computeProgram.usedTimes === 0 ) this._releaseProgram( pipeline.computeProgram ); + + } else { + + pipeline.fragmentProgram.usedTimes --; + pipeline.vertexProgram.usedTimes --; + + if ( pipeline.vertexProgram.usedTimes === 0 ) this._releaseProgram( pipeline.vertexProgram ); + if ( pipeline.fragmentProgram.usedTimes === 0 ) this._releaseProgram( pipeline.fragmentProgram ); + + } + + } + + return super.delete( object ); + + } + + dispose() { + + super.dispose(); + + this.caches = new Map(); + this.programs = { + vertex: new Map(), + fragment: new Map(), + compute: new Map() + }; + + } + + updateForRender( renderObject ) { + + this.getForRender( renderObject ); + + } + + _getComputePipeline( computeNode, stageCompute, cacheKey, bindings ) { + + // check for existing pipeline + + cacheKey = cacheKey || this._getComputeCacheKey( computeNode, stageCompute ); + + let pipeline = this.caches.get( cacheKey ); + + if ( pipeline === undefined ) { + + pipeline = new ComputePipeline( cacheKey, stageCompute ); + + this.caches.set( cacheKey, pipeline ); + + this.backend.createComputePipeline( pipeline, bindings ); + + } + + return pipeline; + + } + + _getRenderPipeline( renderObject, stageVertex, stageFragment, cacheKey, promises ) { + + // check for existing pipeline + + cacheKey = cacheKey || this._getRenderCacheKey( renderObject, stageVertex, stageFragment ); + + let pipeline = this.caches.get( cacheKey ); + + if ( pipeline === undefined ) { + + pipeline = new RenderPipeline( cacheKey, stageVertex, stageFragment ); + + this.caches.set( cacheKey, pipeline ); + + renderObject.pipeline = pipeline; + + this.backend.createRenderPipeline( renderObject, promises ); + + } + + return pipeline; + + } + + _getComputeCacheKey( computeNode, stageCompute ) { + + return computeNode.id + ',' + stageCompute.id; + + } + + _getRenderCacheKey( renderObject, stageVertex, stageFragment ) { + + return stageVertex.id + ',' + stageFragment.id + ',' + this.backend.getRenderCacheKey( renderObject ); + + } + + _releasePipeline( pipeline ) { + + this.caches.delete( pipeline.cacheKey ); + + } + + _releaseProgram( program ) { + + const code = program.code; + const stage = program.stage; + + this.programs[ stage ].delete( code ); + + } + + _needsComputeUpdate( computeNode ) { + + const data = this.get( computeNode ); + + return data.pipeline === undefined || data.version !== computeNode.version; + + } + + _needsRenderUpdate( renderObject ) { + + const data = this.get( renderObject ); + + return data.pipeline === undefined || this.backend.needsRenderUpdate( renderObject ); + + } + +} + +class Bindings extends DataMap { + + constructor( backend, nodes, textures, attributes, pipelines, info ) { + + super(); + + this.backend = backend; + this.textures = textures; + this.pipelines = pipelines; + this.attributes = attributes; + this.nodes = nodes; + this.info = info; + + this.pipelines.bindings = this; // assign bindings to pipelines + + } + + getForRender( renderObject ) { + + const bindings = renderObject.getBindings(); + + for ( const bindGroup of bindings ) { + + const groupData = this.get( bindGroup ); + + if ( groupData.bindGroup === undefined ) { + + // each object defines an array of bindings (ubos, textures, samplers etc.) + + this._init( bindGroup ); + + this.backend.createBindings( bindGroup, bindings ); + + groupData.bindGroup = bindGroup; + + } + + } + + return bindings; + + } + + getForCompute( computeNode ) { + + const bindings = this.nodes.getForCompute( computeNode ).bindings; + + for ( const bindGroup of bindings ) { + + const groupData = this.get( bindGroup ); + + if ( groupData.bindGroup === undefined ) { + + this._init( bindGroup ); + + this.backend.createBindings( bindGroup, bindings ); + + groupData.bindGroup = bindGroup; + + } + + } + + return bindings; + + } + + updateForCompute( computeNode ) { + + this._updateBindings( computeNode, this.getForCompute( computeNode ) ); + + } + + updateForRender( renderObject ) { + + this._updateBindings( renderObject, this.getForRender( renderObject ) ); + + } + + _updateBindings( object, bindings ) { + + for ( const bindGroup of bindings ) { + + this._update( object, bindGroup, bindings ); + + } + + } + + _init( bindGroup ) { + + for ( const binding of bindGroup.bindings ) { + + if ( binding.isSampledTexture ) { + + this.textures.updateTexture( binding.texture ); + + } else if ( binding.isStorageBuffer ) { + + const attribute = binding.attribute; + + this.attributes.update( attribute, AttributeType.STORAGE ); + + } + + } + + } + + _update( object, bindGroup, bindings ) { + + const { backend } = this; + + let needsBindingsUpdate = false; + + // iterate over all bindings and check if buffer updates or a new binding group is required + + for ( const binding of bindGroup.bindings ) { + + if ( binding.isNodeUniformsGroup ) { + + const updated = this.nodes.updateGroup( binding ); + + if ( ! updated ) continue; + + } + + if ( binding.isUniformBuffer ) { + + const updated = binding.update(); + + if ( updated ) { + + backend.updateBinding( binding ); + + } + + } else if ( binding.isSampler ) { + + binding.update(); + + } else if ( binding.isSampledTexture ) { + + const texture = binding.texture; + + if ( binding.needsBindingsUpdate ) needsBindingsUpdate = true; + + const updated = binding.update(); + + if ( updated ) { + + this.textures.updateTexture( binding.texture ); + + } + + const textureData = backend.get( binding.texture ); + + if ( backend.isWebGPUBackend === true && textureData.texture === undefined && textureData.externalTexture === undefined ) { + + // TODO: Remove this once we found why updated === false isn't bound to a texture in the WebGPU backend + console.error( 'Bindings._update: binding should be available:', binding, updated, binding.texture, binding.textureNode.value ); + + this.textures.updateTexture( binding.texture ); + needsBindingsUpdate = true; + + } + + if ( texture.isStorageTexture === true ) { + + const textureData = this.get( texture ); + + if ( binding.store === true ) { + + textureData.needsMipmap = true; + + } else if ( texture.generateMipmaps === true && this.textures.needsMipmaps( texture ) && textureData.needsMipmap === true ) { + + this.backend.generateMipmaps( texture ); + + textureData.needsMipmap = false; + + } + + } + + } + + } + + if ( needsBindingsUpdate === true ) { + + const pipeline = this.pipelines.getForRender( object ); + + this.backend.updateBindings( bindGroup, bindings, pipeline ); + + } + + } + +} + +const NodeShaderStage = { + VERTEX: 'vertex', + FRAGMENT: 'fragment' +}; + +const NodeUpdateType = { + NONE: 'none', + FRAME: 'frame', + RENDER: 'render', + OBJECT: 'object' +}; + +const NodeType = { + BOOLEAN: 'bool', + INTEGER: 'int', + FLOAT: 'float', + VECTOR2: 'vec2', + VECTOR3: 'vec3', + VECTOR4: 'vec4', + MATRIX2: 'mat2', + MATRIX3: 'mat3', + MATRIX4: 'mat4' +}; + +const defaultShaderStages = [ 'fragment', 'vertex' ]; +const defaultBuildStages = [ 'setup', 'analyze', 'generate' ]; +const shaderStages = [ ...defaultShaderStages, 'compute' ]; +const vectorComponents = [ 'x', 'y', 'z', 'w' ]; + +function getCacheKey( object, force = false ) { + + let cacheKey = '{'; + + if ( object.isNode === true ) { + + cacheKey += object.id; + + } + + for ( const { property, childNode } of getNodeChildren( object ) ) { + + cacheKey += ',' + property.slice( 0, - 4 ) + ':' + childNode.getCacheKey( force ); + + } + + cacheKey += '}'; + + return cacheKey; + +} + +function* getNodeChildren( node, toJSON = false ) { + + for ( const property in node ) { + + // Ignore private properties. + if ( property.startsWith( '_' ) === true ) continue; + + const object = node[ property ]; + + if ( Array.isArray( object ) === true ) { + + for ( let i = 0; i < object.length; i ++ ) { + + const child = object[ i ]; + + if ( child && ( child.isNode === true || toJSON && typeof child.toJSON === 'function' ) ) { + + yield { property, index: i, childNode: child }; + + } + + } + + } else if ( object && object.isNode === true ) { + + yield { property, childNode: object }; + + } else if ( typeof object === 'object' ) { + + for ( const subProperty in object ) { + + const child = object[ subProperty ]; + + if ( child && ( child.isNode === true || toJSON && typeof child.toJSON === 'function' ) ) { + + yield { property, index: subProperty, childNode: child }; + + } + + } + + } + + } + +} + +function getValueType( value ) { + + if ( value === undefined || value === null ) return null; + + const typeOf = typeof value; + + if ( value.isNode === true ) { + + return 'node'; + + } else if ( typeOf === 'number' ) { + + return 'float'; + + } else if ( typeOf === 'boolean' ) { + + return 'bool'; + + } else if ( typeOf === 'string' ) { + + return 'string'; + + } else if ( typeOf === 'function' ) { + + return 'shader'; + + } else if ( value.isVector2 === true ) { + + return 'vec2'; + + } else if ( value.isVector3 === true ) { + + return 'vec3'; + + } else if ( value.isVector4 === true ) { + + return 'vec4'; + + } else if ( value.isMatrix3 === true ) { + + return 'mat3'; + + } else if ( value.isMatrix4 === true ) { + + return 'mat4'; + + } else if ( value.isColor === true ) { + + return 'color'; + + } else if ( value instanceof ArrayBuffer ) { + + return 'ArrayBuffer'; + + } + + return null; + +} + +function getValueFromType( type, ...params ) { + + const last4 = type ? type.slice( - 4 ) : undefined; + + if ( params.length === 1 ) { // ensure same behaviour as in NodeBuilder.format() + + if ( last4 === 'vec2' ) params = [ params[ 0 ], params[ 0 ] ]; + else if ( last4 === 'vec3' ) params = [ params[ 0 ], params[ 0 ], params[ 0 ] ]; + else if ( last4 === 'vec4' ) params = [ params[ 0 ], params[ 0 ], params[ 0 ], params[ 0 ] ]; + + } + + if ( type === 'color' ) { + + return new Color( ...params ); + + } else if ( last4 === 'vec2' ) { + + return new Vector2( ...params ); + + } else if ( last4 === 'vec3' ) { + + return new Vector3( ...params ); + + } else if ( last4 === 'vec4' ) { + + return new Vector4( ...params ); + + } else if ( last4 === 'mat3' ) { + + return new Matrix3( ...params ); + + } else if ( last4 === 'mat4' ) { + + return new Matrix4( ...params ); + + } else if ( type === 'bool' ) { + + return params[ 0 ] || false; + + } else if ( ( type === 'float' ) || ( type === 'int' ) || ( type === 'uint' ) ) { + + return params[ 0 ] || 0; + + } else if ( type === 'string' ) { + + return params[ 0 ] || ''; + + } else if ( type === 'ArrayBuffer' ) { + + return base64ToArrayBuffer( params[ 0 ] ); + + } + + return null; + +} + +function arrayBufferToBase64( arrayBuffer ) { + + let chars = ''; + + const array = new Uint8Array( arrayBuffer ); + + for ( let i = 0; i < array.length; i ++ ) { + + chars += String.fromCharCode( array[ i ] ); + + } + + return btoa( chars ); + +} + +function base64ToArrayBuffer( base64 ) { + + return Uint8Array.from( atob( base64 ), c => c.charCodeAt( 0 ) ).buffer; + +} + +var NodeUtils = /*#__PURE__*/Object.freeze({ + __proto__: null, + arrayBufferToBase64: arrayBufferToBase64, + base64ToArrayBuffer: base64ToArrayBuffer, + getCacheKey: getCacheKey, + getNodeChildren: getNodeChildren, + getValueFromType: getValueFromType, + getValueType: getValueType +}); + +const NodeClasses = new Map(); + +let _nodeId = 0; + +class Node extends EventDispatcher { + + constructor( nodeType = null ) { + + super(); + + this.nodeType = nodeType; + + this.updateType = NodeUpdateType.NONE; + this.updateBeforeType = NodeUpdateType.NONE; + this.updateAfterType = NodeUpdateType.NONE; + + this.uuid = MathUtils.generateUUID(); + + this.version = 0; + + this._cacheKey = null; + this._cacheKeyVersion = 0; + + this.global = false; + + this.isNode = true; + + Object.defineProperty( this, 'id', { value: _nodeId ++ } ); + + } + + set needsUpdate( value ) { + + if ( value === true ) { + + this.version ++; + + } + + } + + get type() { + + return this.constructor.type; + + } + + onUpdate( callback, updateType ) { + + this.updateType = updateType; + this.update = callback.bind( this.getSelf() ); + + return this; + + } + + onFrameUpdate( callback ) { + + return this.onUpdate( callback, NodeUpdateType.FRAME ); + + } + + onRenderUpdate( callback ) { + + return this.onUpdate( callback, NodeUpdateType.RENDER ); + + } + + onObjectUpdate( callback ) { + + return this.onUpdate( callback, NodeUpdateType.OBJECT ); + + } + + onReference( callback ) { + + this.updateReference = callback.bind( this.getSelf() ); + + return this; + + } + + getSelf() { + + // Returns non-node object. + + return this.self || this; + + } + + updateReference( /*state*/ ) { + + return this; + + } + + isGlobal( /*builder*/ ) { + + return this.global; + + } + + * getChildren() { + + for ( const { childNode } of getNodeChildren( this ) ) { + + yield childNode; + + } + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + traverse( callback ) { + + callback( this ); + + for ( const childNode of this.getChildren() ) { + + childNode.traverse( callback ); + + } + + } + + getCacheKey( force = false ) { + + force = force || this.version !== this._cacheKeyVersion; + + if ( force === true || this._cacheKey === null ) { + + this._cacheKey = getCacheKey( this, force ); + this._cacheKeyVersion = this.version; + + } + + return this._cacheKey; + + } + + getHash( /*builder*/ ) { + + return this.uuid; + + } + + getUpdateType() { + + return this.updateType; + + } + + getUpdateBeforeType() { + + return this.updateBeforeType; + + } + + getUpdateAfterType() { + + return this.updateAfterType; + + } + + getElementType( builder ) { + + const type = this.getNodeType( builder ); + const elementType = builder.getElementType( type ); + + return elementType; + + } + + getNodeType( builder ) { + + const nodeProperties = builder.getNodeProperties( this ); + + if ( nodeProperties.outputNode ) { + + return nodeProperties.outputNode.getNodeType( builder ); + + } + + return this.nodeType; + + } + + getShared( builder ) { + + const hash = this.getHash( builder ); + const nodeFromHash = builder.getNodeFromHash( hash ); + + return nodeFromHash || this; + + } + + setup( builder ) { + + const nodeProperties = builder.getNodeProperties( this ); + + let index = 0; + + for ( const childNode of this.getChildren() ) { + + nodeProperties[ 'node' + index ++ ] = childNode; + + } + + // return a outputNode if exists + return null; + + } + + construct( builder ) { // @deprecated, r157 + + console.warn( 'THREE.Node: construct() is deprecated. Use setup() instead.' ); + + return this.setup( builder ); + + } + + increaseUsage( builder ) { + + const nodeData = builder.getDataFromNode( this ); + nodeData.usageCount = nodeData.usageCount === undefined ? 1 : nodeData.usageCount + 1; + + return nodeData.usageCount; + + } + + analyze( builder ) { + + const usageCount = this.increaseUsage( builder ); + + if ( usageCount === 1 ) { + + // node flow children + + const nodeProperties = builder.getNodeProperties( this ); + + for ( const childNode of Object.values( nodeProperties ) ) { + + if ( childNode && childNode.isNode === true ) { + + childNode.build( builder ); + + } + + } + + } + + } + + generate( builder, output ) { + + const { outputNode } = builder.getNodeProperties( this ); + + if ( outputNode && outputNode.isNode === true ) { + + return outputNode.build( builder, output ); + + } + + } + + updateBefore( /*frame*/ ) { + + console.warn( 'Abstract function.' ); + + } + + updateAfter( /*frame*/ ) { + + console.warn( 'Abstract function.' ); + + } + + update( /*frame*/ ) { + + console.warn( 'Abstract function.' ); + + } + + build( builder, output = null ) { + + const refNode = this.getShared( builder ); + + if ( this !== refNode ) { + + return refNode.build( builder, output ); + + } + + builder.addNode( this ); + builder.addChain( this ); + + /* Build stages expected results: + - "setup" -> Node + - "analyze" -> null + - "generate" -> String + */ + let result = null; + + const buildStage = builder.getBuildStage(); + + if ( buildStage === 'setup' ) { + + this.updateReference( builder ); + + const properties = builder.getNodeProperties( this ); + + if ( properties.initialized !== true ) { + + const stackNodesBeforeSetup = builder.stack.nodes.length; + + properties.initialized = true; + properties.outputNode = this.setup( builder ); + + if ( properties.outputNode !== null && builder.stack.nodes.length !== stackNodesBeforeSetup ) { + + properties.outputNode = builder.stack; + + } + + for ( const childNode of Object.values( properties ) ) { + + if ( childNode && childNode.isNode === true ) { + + childNode.build( builder ); + + } + + } + + } + + } else if ( buildStage === 'analyze' ) { + + this.analyze( builder ); + + } else if ( buildStage === 'generate' ) { + + const isGenerateOnce = this.generate.length === 1; + + if ( isGenerateOnce ) { + + const type = this.getNodeType( builder ); + const nodeData = builder.getDataFromNode( this ); + + result = nodeData.snippet; + + if ( result === undefined ) { + + result = this.generate( builder ) || ''; + + nodeData.snippet = result; + + } + + result = builder.format( result, type, output ); + + } else { + + result = this.generate( builder, output ) || ''; + + } + + } + + builder.removeChain( this ); + + return result; + + } + + getSerializeChildren() { + + return getNodeChildren( this ); + + } + + serialize( json ) { + + const nodeChildren = this.getSerializeChildren(); + + const inputNodes = {}; + + for ( const { property, index, childNode } of nodeChildren ) { + + if ( index !== undefined ) { + + if ( inputNodes[ property ] === undefined ) { + + inputNodes[ property ] = Number.isInteger( index ) ? [] : {}; + + } + + inputNodes[ property ][ index ] = childNode.toJSON( json.meta ).uuid; + + } else { + + inputNodes[ property ] = childNode.toJSON( json.meta ).uuid; + + } + + } + + if ( Object.keys( inputNodes ).length > 0 ) { + + json.inputNodes = inputNodes; + + } + + } + + deserialize( json ) { + + if ( json.inputNodes !== undefined ) { + + const nodes = json.meta.nodes; + + for ( const property in json.inputNodes ) { + + if ( Array.isArray( json.inputNodes[ property ] ) ) { + + const inputArray = []; + + for ( const uuid of json.inputNodes[ property ] ) { + + inputArray.push( nodes[ uuid ] ); + + } + + this[ property ] = inputArray; + + } else if ( typeof json.inputNodes[ property ] === 'object' ) { + + const inputObject = {}; + + for ( const subProperty in json.inputNodes[ property ] ) { + + const uuid = json.inputNodes[ property ][ subProperty ]; + + inputObject[ subProperty ] = nodes[ uuid ]; + + } + + this[ property ] = inputObject; + + } else { + + const uuid = json.inputNodes[ property ]; + + this[ property ] = nodes[ uuid ]; + + } + + } + + } + + } + + toJSON( meta ) { + + const { uuid, type } = this; + const isRoot = ( meta === undefined || typeof meta === 'string' ); + + if ( isRoot ) { + + meta = { + textures: {}, + images: {}, + nodes: {} + }; + + } + + // serialize + + let data = meta.nodes[ uuid ]; + + if ( data === undefined ) { + + data = { + uuid, + type, + meta, + metadata: { + version: 4.6, + type: 'Node', + generator: 'Node.toJSON' + } + }; + + if ( isRoot !== true ) meta.nodes[ data.uuid ] = data; + + this.serialize( data ); + + delete data.meta; + + } + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + const values = []; + + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRoot ) { + + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + const nodes = extractFromCache( meta.nodes ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + if ( nodes.length > 0 ) data.nodes = nodes; + + } + + return data; + + } + +} + +function addNodeClass( type, nodeClass ) { + + if ( typeof nodeClass !== 'function' || ! type ) throw new Error( `Node class ${ type } is not a class` ); + if ( NodeClasses.has( type ) ) { + + console.warn( `Redefinition of node class ${ type }` ); + return; + + } + + NodeClasses.set( type, nodeClass ); + nodeClass.type = type; + +} + +function createNodeFromType( type ) { + + const Class = NodeClasses.get( type ); + + if ( Class !== undefined ) { + + return new Class(); + + } + +} + +class TempNode extends Node { + + constructor( type ) { + + super( type ); + + this.isTempNode = true; + + } + + hasDependencies( builder ) { + + return builder.getDataFromNode( this ).usageCount > 1; + + } + + build( builder, output ) { + + const buildStage = builder.getBuildStage(); + + if ( buildStage === 'generate' ) { + + const type = builder.getVectorType( this.getNodeType( builder, output ) ); + const nodeData = builder.getDataFromNode( this ); + + if ( nodeData.propertyName !== undefined ) { + + return builder.format( nodeData.propertyName, type, output ); + + } else if ( type !== 'void' && output !== 'void' && this.hasDependencies( builder ) ) { + + const snippet = super.build( builder, type ); + + const nodeVar = builder.getVarFromNode( this, null, type ); + const propertyName = builder.getPropertyName( nodeVar ); + + builder.addLineFlowCode( `${propertyName} = ${snippet}` ); + + nodeData.snippet = snippet; + nodeData.propertyName = propertyName; + + return builder.format( nodeData.propertyName, type, output ); + + } + + } + + return super.build( builder, output ); + + } + +} + +addNodeClass( 'TempNode', TempNode ); + +class ArrayElementNode extends Node { // @TODO: If extending from TempNode it breaks webgpu_compute + + constructor( node, indexNode ) { + + super(); + + this.node = node; + this.indexNode = indexNode; + + this.isArrayElementNode = true; + + } + + getNodeType( builder ) { + + return this.node.getElementType( builder ); + + } + + generate( builder ) { + + const nodeSnippet = this.node.build( builder ); + const indexSnippet = this.indexNode.build( builder, 'uint' ); + + return `${nodeSnippet}[ ${indexSnippet} ]`; + + } + +} + +addNodeClass( 'ArrayElementNode', ArrayElementNode ); + +class ConvertNode extends Node { + + constructor( node, convertTo ) { + + super(); + + this.node = node; + this.convertTo = convertTo; + + } + + getNodeType( builder ) { + + const requestType = this.node.getNodeType( builder ); + + let convertTo = null; + + for ( const overloadingType of this.convertTo.split( '|' ) ) { + + if ( convertTo === null || builder.getTypeLength( requestType ) === builder.getTypeLength( overloadingType ) ) { + + convertTo = overloadingType; + + } + + } + + return convertTo; + + } + + serialize( data ) { + + super.serialize( data ); + + data.convertTo = this.convertTo; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.convertTo = data.convertTo; + + } + + generate( builder, output ) { + + const node = this.node; + const type = this.getNodeType( builder ); + + const snippet = node.build( builder, type ); + + return builder.format( snippet, type, output ); + + } + +} + +addNodeClass( 'ConvertNode', ConvertNode ); + +class JoinNode extends TempNode { + + constructor( nodes = [], nodeType = null ) { + + super( nodeType ); + + this.nodes = nodes; + + } + + getNodeType( builder ) { + + if ( this.nodeType !== null ) { + + return builder.getVectorType( this.nodeType ); + + } + + return builder.getTypeFromLength( this.nodes.reduce( ( count, cur ) => count + builder.getTypeLength( cur.getNodeType( builder ) ), 0 ) ); + + } + + generate( builder, output ) { + + const type = this.getNodeType( builder ); + const nodes = this.nodes; + + const primitiveType = builder.getComponentType( type ); + + const snippetValues = []; + + for ( const input of nodes ) { + + let inputSnippet = input.build( builder ); + + const inputPrimitiveType = builder.getComponentType( input.getNodeType( builder ) ); + + if ( inputPrimitiveType !== primitiveType ) { + + inputSnippet = builder.format( inputSnippet, inputPrimitiveType, primitiveType ); + + } + + snippetValues.push( inputSnippet ); + + } + + const snippet = `${ builder.getType( type ) }( ${ snippetValues.join( ', ' ) } )`; + + return builder.format( snippet, type, output ); + + } + +} + +addNodeClass( 'JoinNode', JoinNode ); + +const stringVectorComponents = vectorComponents.join( '' ); + +class SplitNode extends Node { + + constructor( node, components = 'x' ) { + + super(); + + this.node = node; + this.components = components; + + this.isSplitNode = true; + + } + + getVectorLength() { + + let vectorLength = this.components.length; + + for ( const c of this.components ) { + + vectorLength = Math.max( vectorComponents.indexOf( c ) + 1, vectorLength ); + + } + + return vectorLength; + + } + + getComponentType( builder ) { + + return builder.getComponentType( this.node.getNodeType( builder ) ); + + } + + getNodeType( builder ) { + + return builder.getTypeFromLength( this.components.length, this.getComponentType( builder ) ); + + } + + generate( builder, output ) { + + const node = this.node; + const nodeTypeLength = builder.getTypeLength( node.getNodeType( builder ) ); + + let snippet = null; + + if ( nodeTypeLength > 1 ) { + + let type = null; + + const componentsLength = this.getVectorLength(); + + if ( componentsLength >= nodeTypeLength ) { + + // needed expand the input node + + type = builder.getTypeFromLength( this.getVectorLength(), this.getComponentType( builder ) ); + + } + + const nodeSnippet = node.build( builder, type ); + + if ( this.components.length === nodeTypeLength && this.components === stringVectorComponents.slice( 0, this.components.length ) ) { + + // unnecessary swizzle + + snippet = builder.format( nodeSnippet, type, output ); + + } else { + + snippet = builder.format( `${nodeSnippet}.${this.components}`, this.getNodeType( builder ), output ); + + } + + } else { + + // ignore .components if .node returns float/integer + + snippet = node.build( builder, output ); + + } + + return snippet; + + } + + serialize( data ) { + + super.serialize( data ); + + data.components = this.components; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.components = data.components; + + } + +} + +addNodeClass( 'SplitNode', SplitNode ); + +class SetNode extends TempNode { + + constructor( sourceNode, components, targetNode ) { + + super(); + + this.sourceNode = sourceNode; + this.components = components; + this.targetNode = targetNode; + + } + + getNodeType( builder ) { + + return this.sourceNode.getNodeType( builder ); + + } + + generate( builder ) { + + const { sourceNode, components, targetNode } = this; + + const sourceType = this.getNodeType( builder ); + const targetType = builder.getTypeFromLength( components.length ); + + const targetSnippet = targetNode.build( builder, targetType ); + const sourceSnippet = sourceNode.build( builder, sourceType ); + + const length = builder.getTypeLength( sourceType ); + const snippetValues = []; + + for ( let i = 0; i < length; i ++ ) { + + const component = vectorComponents[ i ]; + + if ( component === components[ 0 ] ) { + + snippetValues.push( targetSnippet ); + + i += components.length - 1; + + } else { + + snippetValues.push( sourceSnippet + '.' + component ); + + } + + } + + return `${ builder.getType( sourceType ) }( ${ snippetValues.join( ', ' ) } )`; + + } + +} + +addNodeClass( 'SetNode', SetNode ); + +class InputNode extends Node { + + constructor( value, nodeType = null ) { + + super( nodeType ); + + this.isInputNode = true; + + this.value = value; + this.precision = null; + + } + + getNodeType( /*builder*/ ) { + + if ( this.nodeType === null ) { + + return getValueType( this.value ); + + } + + return this.nodeType; + + } + + getInputType( builder ) { + + return this.getNodeType( builder ); + + } + + setPrecision( precision ) { + + this.precision = precision; + + return this; + + } + + serialize( data ) { + + super.serialize( data ); + + data.value = this.value; + + if ( this.value && this.value.toArray ) data.value = this.value.toArray(); + + data.valueType = getValueType( this.value ); + data.nodeType = this.nodeType; + + if ( data.valueType === 'ArrayBuffer' ) data.value = arrayBufferToBase64( data.value ); + + data.precision = this.precision; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.nodeType = data.nodeType; + this.value = Array.isArray( data.value ) ? getValueFromType( data.valueType, ...data.value ) : data.value; + + this.precision = data.precision || null; + + if ( this.value && this.value.fromArray ) this.value = this.value.fromArray( data.value ); + + } + + generate( /*builder, output*/ ) { + + console.warn( 'Abstract function.' ); + + } + +} + +addNodeClass( 'InputNode', InputNode ); + +class ConstNode extends InputNode { + + constructor( value, nodeType = null ) { + + super( value, nodeType ); + + this.isConstNode = true; + + } + + generateConst( builder ) { + + return builder.generateConst( this.getNodeType( builder ), this.value ); + + } + + generate( builder, output ) { + + const type = this.getNodeType( builder ); + + return builder.format( this.generateConst( builder ), type, output ); + + } + +} + +addNodeClass( 'ConstNode', ConstNode ); + +// + +let currentStack = null; + +const NodeElements = new Map(); // @TODO: Currently only a few nodes are added, probably also add others + +function addNodeElement( name, nodeElement ) { + + if ( NodeElements.has( name ) ) { + + console.warn( `Redefinition of node element ${ name }` ); + return; + + } + + if ( typeof nodeElement !== 'function' ) throw new Error( `Node element ${ name } is not a function` ); + + NodeElements.set( name, nodeElement ); + +} + +const parseSwizzle = ( props ) => props.replace( /r|s/g, 'x' ).replace( /g|t/g, 'y' ).replace( /b|p/g, 'z' ).replace( /a|q/g, 'w' ); + +const shaderNodeHandler = { + + setup( NodeClosure, params ) { + + const inputs = params.shift(); + + return NodeClosure( nodeObjects( inputs ), ...params ); + + }, + + get( node, prop, nodeObj ) { + + if ( typeof prop === 'string' && node[ prop ] === undefined ) { + + if ( node.isStackNode !== true && prop === 'assign' ) { + + return ( ...params ) => { + + currentStack.assign( nodeObj, ...params ); + + return nodeObj; + + }; + + } else if ( NodeElements.has( prop ) ) { + + const nodeElement = NodeElements.get( prop ); + + return node.isStackNode ? ( ...params ) => nodeObj.add( nodeElement( ...params ) ) : ( ...params ) => nodeElement( nodeObj, ...params ); + + } else if ( prop === 'self' ) { + + return node; + + } else if ( prop.endsWith( 'Assign' ) && NodeElements.has( prop.slice( 0, prop.length - 'Assign'.length ) ) ) { + + const nodeElement = NodeElements.get( prop.slice( 0, prop.length - 'Assign'.length ) ); + + return node.isStackNode ? ( ...params ) => nodeObj.assign( params[ 0 ], nodeElement( ...params ) ) : ( ...params ) => nodeObj.assign( nodeElement( nodeObj, ...params ) ); + + } else if ( /^[xyzwrgbastpq]{1,4}$/.test( prop ) === true ) { + + // accessing properties ( swizzle ) + + prop = parseSwizzle( prop ); + + return nodeObject( new SplitNode( nodeObj, prop ) ); + + } else if ( /^set[XYZWRGBASTPQ]{1,4}$/.test( prop ) === true ) { + + // set properties ( swizzle ) + + prop = parseSwizzle( prop.slice( 3 ).toLowerCase() ); + + // sort to xyzw sequence + + prop = prop.split( '' ).sort().join( '' ); + + return ( value ) => nodeObject( new SetNode( node, prop, value ) ); + + } else if ( prop === 'width' || prop === 'height' || prop === 'depth' ) { + + // accessing property + + if ( prop === 'width' ) prop = 'x'; + else if ( prop === 'height' ) prop = 'y'; + else if ( prop === 'depth' ) prop = 'z'; + + return nodeObject( new SplitNode( node, prop ) ); + + } else if ( /^\d+$/.test( prop ) === true ) { + + // accessing array + + return nodeObject( new ArrayElementNode( nodeObj, new ConstNode( Number( prop ), 'uint' ) ) ); + + } + + } + + return Reflect.get( node, prop, nodeObj ); + + }, + + set( node, prop, value, nodeObj ) { + + if ( typeof prop === 'string' && node[ prop ] === undefined ) { + + // setting properties + + if ( /^[xyzwrgbastpq]{1,4}$/.test( prop ) === true || prop === 'width' || prop === 'height' || prop === 'depth' || /^\d+$/.test( prop ) === true ) { + + nodeObj[ prop ].assign( value ); + + return true; + + } + + } + + return Reflect.set( node, prop, value, nodeObj ); + + } + +}; + +const nodeObjectsCacheMap = new WeakMap(); +const nodeBuilderFunctionsCacheMap = new WeakMap(); + +const ShaderNodeObject = function ( obj, altType = null ) { + + const type = getValueType( obj ); + + if ( type === 'node' ) { + + let nodeObject = nodeObjectsCacheMap.get( obj ); + + if ( nodeObject === undefined ) { + + nodeObject = new Proxy( obj, shaderNodeHandler ); + + nodeObjectsCacheMap.set( obj, nodeObject ); + nodeObjectsCacheMap.set( nodeObject, nodeObject ); + + } + + return nodeObject; + + } else if ( ( altType === null && ( type === 'float' || type === 'boolean' ) ) || ( type && type !== 'shader' && type !== 'string' ) ) { + + return nodeObject( getConstNode( obj, altType ) ); + + } else if ( type === 'shader' ) { + + return tslFn( obj ); + + } + + return obj; + +}; + +const ShaderNodeObjects = function ( objects, altType = null ) { + + for ( const name in objects ) { + + objects[ name ] = nodeObject( objects[ name ], altType ); + + } + + return objects; + +}; + +const ShaderNodeArray = function ( array, altType = null ) { + + const len = array.length; + + for ( let i = 0; i < len; i ++ ) { + + array[ i ] = nodeObject( array[ i ], altType ); + + } + + return array; + +}; + +const ShaderNodeProxy = function ( NodeClass, scope = null, factor = null, settings = null ) { + + const assignNode = ( node ) => nodeObject( settings !== null ? Object.assign( node, settings ) : node ); + + if ( scope === null ) { + + return ( ...params ) => { + + return assignNode( new NodeClass( ...nodeArray( params ) ) ); + + }; + + } else if ( factor !== null ) { + + factor = nodeObject( factor ); + + return ( ...params ) => { + + return assignNode( new NodeClass( scope, ...nodeArray( params ), factor ) ); + + }; + + } else { + + return ( ...params ) => { + + return assignNode( new NodeClass( scope, ...nodeArray( params ) ) ); + + }; + + } + +}; + +const ShaderNodeImmutable = function ( NodeClass, ...params ) { + + return nodeObject( new NodeClass( ...nodeArray( params ) ) ); + +}; + +class ShaderCallNodeInternal extends Node { + + constructor( shaderNode, inputNodes ) { + + super(); + + this.shaderNode = shaderNode; + this.inputNodes = inputNodes; + + } + + getNodeType( builder ) { + + const properties = builder.getNodeProperties( this ); + + if ( properties.outputNode === null ) { + + properties.outputNode = this.setupOutput( builder ); + + } + + return properties.outputNode.getNodeType( builder ); + + } + + call( builder ) { + + const { shaderNode, inputNodes } = this; + + if ( shaderNode.layout ) { + + let functionNodesCacheMap = nodeBuilderFunctionsCacheMap.get( builder.constructor ); + + if ( functionNodesCacheMap === undefined ) { + + functionNodesCacheMap = new WeakMap(); + + nodeBuilderFunctionsCacheMap.set( builder.constructor, functionNodesCacheMap ); + + } + + let functionNode = functionNodesCacheMap.get( shaderNode ); + + if ( functionNode === undefined ) { + + functionNode = nodeObject( builder.buildFunctionNode( shaderNode ) ); + + functionNodesCacheMap.set( shaderNode, functionNode ); + + } + + if ( builder.currentFunctionNode !== null ) { + + builder.currentFunctionNode.includes.push( functionNode ); + + } + + return nodeObject( functionNode.call( inputNodes ) ); + + } + + const jsFunc = shaderNode.jsFunc; + const outputNode = inputNodes !== null ? jsFunc( inputNodes, builder.stack, builder ) : jsFunc( builder.stack, builder ); + + return nodeObject( outputNode ); + + } + + setup( builder ) { + + const { outputNode } = builder.getNodeProperties( this ); + + return outputNode || this.setupOutput( builder ); + + } + + setupOutput( builder ) { + + builder.addStack(); + + builder.stack.outputNode = this.call( builder ); + + return builder.removeStack(); + + } + + generate( builder, output ) { + + const { outputNode } = builder.getNodeProperties( this ); + + if ( outputNode === null ) { + + // TSL: It's recommended to use `tslFn` in setup() pass. + + return this.call( builder ).build( builder, output ); + + } + + return super.generate( builder, output ); + + } + +} + +class ShaderNodeInternal extends Node { + + constructor( jsFunc ) { + + super(); + + this.jsFunc = jsFunc; + this.layout = null; + + this.global = true; + + } + + get isArrayInput() { + + return /^\((\s+)?\[/.test( this.jsFunc.toString() ); + + } + + setLayout( layout ) { + + this.layout = layout; + + return this; + + } + + call( inputs = null ) { + + nodeObjects( inputs ); + + return nodeObject( new ShaderCallNodeInternal( this, inputs ) ); + + } + + setup() { + + return this.call(); + + } + +} + +const bools = [ false, true ]; +const uints = [ 0, 1, 2, 3 ]; +const ints = [ - 1, - 2 ]; +const floats = [ 0.5, 1.5, 1 / 3, 1e-6, 1e6, Math.PI, Math.PI * 2, 1 / Math.PI, 2 / Math.PI, 1 / ( Math.PI * 2 ), Math.PI / 2 ]; + +const boolsCacheMap = new Map(); +for ( const bool of bools ) boolsCacheMap.set( bool, new ConstNode( bool ) ); + +const uintsCacheMap = new Map(); +for ( const uint of uints ) uintsCacheMap.set( uint, new ConstNode( uint, 'uint' ) ); + +const intsCacheMap = new Map( [ ...uintsCacheMap ].map( el => new ConstNode( el.value, 'int' ) ) ); +for ( const int of ints ) intsCacheMap.set( int, new ConstNode( int, 'int' ) ); + +const floatsCacheMap = new Map( [ ...intsCacheMap ].map( el => new ConstNode( el.value ) ) ); +for ( const float of floats ) floatsCacheMap.set( float, new ConstNode( float ) ); +for ( const float of floats ) floatsCacheMap.set( - float, new ConstNode( - float ) ); + +const cacheMaps = { bool: boolsCacheMap, uint: uintsCacheMap, ints: intsCacheMap, float: floatsCacheMap }; + +const constNodesCacheMap = new Map( [ ...boolsCacheMap, ...floatsCacheMap ] ); + +const getConstNode = ( value, type ) => { + + if ( constNodesCacheMap.has( value ) ) { + + return constNodesCacheMap.get( value ); + + } else if ( value.isNode === true ) { + + return value; + + } else { + + return new ConstNode( value, type ); + + } + +}; + +const safeGetNodeType = ( node ) => { + + try { + + return node.getNodeType(); + + } catch ( _ ) { + + return undefined; + + } + +}; + +const ConvertType = function ( type, cacheMap = null ) { + + return ( ...params ) => { + + if ( params.length === 0 || ( ! [ 'bool', 'float', 'int', 'uint' ].includes( type ) && params.every( param => typeof param !== 'object' ) ) ) { + + params = [ getValueFromType( type, ...params ) ]; + + } + + if ( params.length === 1 && cacheMap !== null && cacheMap.has( params[ 0 ] ) ) { + + return nodeObject( cacheMap.get( params[ 0 ] ) ); + + } + + if ( params.length === 1 ) { + + const node = getConstNode( params[ 0 ], type ); + if ( safeGetNodeType( node ) === type ) return nodeObject( node ); + return nodeObject( new ConvertNode( node, type ) ); + + } + + const nodes = params.map( param => getConstNode( param ) ); + return nodeObject( new JoinNode( nodes, type ) ); + + }; + +}; + +// exports + +const defined = ( value ) => value && value.value; + +// utils + +const getConstNodeType = ( value ) => ( value !== undefined && value !== null ) ? ( value.nodeType || value.convertTo || ( typeof value === 'string' ? value : null ) ) : null; + +// shader node base + +function ShaderNode( jsFunc ) { + + return new Proxy( new ShaderNodeInternal( jsFunc ), shaderNodeHandler ); + +} + +const nodeObject = ( val, altType = null ) => /* new */ ShaderNodeObject( val, altType ); +const nodeObjects = ( val, altType = null ) => new ShaderNodeObjects( val, altType ); +const nodeArray = ( val, altType = null ) => new ShaderNodeArray( val, altType ); +const nodeProxy = ( ...params ) => new ShaderNodeProxy( ...params ); +const nodeImmutable = ( ...params ) => new ShaderNodeImmutable( ...params ); + +const tslFn = ( jsFunc ) => { + + const shaderNode = new ShaderNode( jsFunc ); + + const fn = ( ...params ) => { + + let inputs; + + nodeObjects( params ); + + if ( params[ 0 ] && params[ 0 ].isNode ) { + + inputs = [ ...params ]; + + } else { + + inputs = params[ 0 ]; + + } + + return shaderNode.call( inputs ); + + }; + + fn.shaderNode = shaderNode; + fn.setLayout = ( layout ) => { + + shaderNode.setLayout( layout ); + + return fn; + + }; + + return fn; + +}; + +addNodeClass( 'ShaderNode', ShaderNode ); + +// + +addNodeElement( 'toGlobal', ( node ) => { + + node.global = true; + + return node; + +} ); + +// + +const setCurrentStack = ( stack ) => { + + currentStack = stack; + +}; + +const getCurrentStack = () => currentStack; + +const If = ( ...params ) => currentStack.if( ...params ); + +function append( node ) { + + if ( currentStack ) currentStack.add( node ); + + return node; + +} + +addNodeElement( 'append', append ); + +// types +// @TODO: Maybe export from ConstNode.js? + +const color = new ConvertType( 'color' ); + +const float = new ConvertType( 'float', cacheMaps.float ); +const int = new ConvertType( 'int', cacheMaps.ints ); +const uint = new ConvertType( 'uint', cacheMaps.uint ); +const bool = new ConvertType( 'bool', cacheMaps.bool ); + +const vec2 = new ConvertType( 'vec2' ); +const ivec2 = new ConvertType( 'ivec2' ); +const uvec2 = new ConvertType( 'uvec2' ); +const bvec2 = new ConvertType( 'bvec2' ); + +const vec3 = new ConvertType( 'vec3' ); +const ivec3 = new ConvertType( 'ivec3' ); +const uvec3 = new ConvertType( 'uvec3' ); +const bvec3 = new ConvertType( 'bvec3' ); + +const vec4 = new ConvertType( 'vec4' ); +const ivec4 = new ConvertType( 'ivec4' ); +const uvec4 = new ConvertType( 'uvec4' ); +const bvec4 = new ConvertType( 'bvec4' ); + +const mat2 = new ConvertType( 'mat2' ); +const imat2 = new ConvertType( 'imat2' ); +const umat2 = new ConvertType( 'umat2' ); +const bmat2 = new ConvertType( 'bmat2' ); + +const mat3 = new ConvertType( 'mat3' ); +const imat3 = new ConvertType( 'imat3' ); +const umat3 = new ConvertType( 'umat3' ); +const bmat3 = new ConvertType( 'bmat3' ); + +const mat4 = new ConvertType( 'mat4' ); +const imat4 = new ConvertType( 'imat4' ); +const umat4 = new ConvertType( 'umat4' ); +const bmat4 = new ConvertType( 'bmat4' ); + +const string = ( value = '' ) => nodeObject( new ConstNode( value, 'string' ) ); +const arrayBuffer = ( value ) => nodeObject( new ConstNode( value, 'ArrayBuffer' ) ); + +addNodeElement( 'toColor', color ); +addNodeElement( 'toFloat', float ); +addNodeElement( 'toInt', int ); +addNodeElement( 'toUint', uint ); +addNodeElement( 'toBool', bool ); +addNodeElement( 'toVec2', vec2 ); +addNodeElement( 'toIvec2', ivec2 ); +addNodeElement( 'toUvec2', uvec2 ); +addNodeElement( 'toBvec2', bvec2 ); +addNodeElement( 'toVec3', vec3 ); +addNodeElement( 'toIvec3', ivec3 ); +addNodeElement( 'toUvec3', uvec3 ); +addNodeElement( 'toBvec3', bvec3 ); +addNodeElement( 'toVec4', vec4 ); +addNodeElement( 'toIvec4', ivec4 ); +addNodeElement( 'toUvec4', uvec4 ); +addNodeElement( 'toBvec4', bvec4 ); +addNodeElement( 'toMat2', mat2 ); +addNodeElement( 'toImat2', imat2 ); +addNodeElement( 'toUmat2', umat2 ); +addNodeElement( 'toBmat2', bmat2 ); +addNodeElement( 'toMat3', mat3 ); +addNodeElement( 'toImat3', imat3 ); +addNodeElement( 'toUmat3', umat3 ); +addNodeElement( 'toBmat3', bmat3 ); +addNodeElement( 'toMat4', mat4 ); +addNodeElement( 'toImat4', imat4 ); +addNodeElement( 'toUmat4', umat4 ); +addNodeElement( 'toBmat4', bmat4 ); + +// basic nodes +// HACK - we cannot export them from the corresponding files because of the cyclic dependency +const element = nodeProxy( ArrayElementNode ); +const convert = ( node, types ) => nodeObject( new ConvertNode( nodeObject( node ), types ) ); +const split = ( node, channels ) => nodeObject( new SplitNode( nodeObject( node ), channels ) ); + +addNodeElement( 'element', element ); +addNodeElement( 'convert', convert ); + +class AssignNode extends TempNode { + + constructor( targetNode, sourceNode ) { + + super(); + + this.targetNode = targetNode; + this.sourceNode = sourceNode; + + } + + hasDependencies() { + + return false; + + } + + getNodeType( builder, output ) { + + return output !== 'void' ? this.targetNode.getNodeType( builder ) : 'void'; + + } + + needsSplitAssign( builder ) { + + const { targetNode } = this; + + if ( builder.isAvailable( 'swizzleAssign' ) === false && targetNode.isSplitNode && targetNode.components.length > 1 ) { + + const targetLength = builder.getTypeLength( targetNode.node.getNodeType( builder ) ); + const assignDiferentVector = vectorComponents.join( '' ).slice( 0, targetLength ) !== targetNode.components; + + return assignDiferentVector; + + } + + return false; + + } + + generate( builder, output ) { + + const { targetNode, sourceNode } = this; + + const needsSplitAssign = this.needsSplitAssign( builder ); + + const targetType = targetNode.getNodeType( builder ); + + const target = targetNode.context( { assign: true } ).build( builder ); + const source = sourceNode.build( builder, targetType ); + + const sourceType = sourceNode.getNodeType( builder ); + + const nodeData = builder.getDataFromNode( this ); + + // + + let snippet; + + if ( nodeData.initialized === true ) { + + if ( output !== 'void' ) { + + snippet = target; + + } + + } else if ( needsSplitAssign ) { + + const sourceVar = builder.getVarFromNode( this, null, targetType ); + const sourceProperty = builder.getPropertyName( sourceVar ); + + builder.addLineFlowCode( `${ sourceProperty } = ${ source }` ); + + const targetRoot = targetNode.node.context( { assign: true } ).build( builder ); + + for ( let i = 0; i < targetNode.components.length; i ++ ) { + + const component = targetNode.components[ i ]; + + builder.addLineFlowCode( `${ targetRoot }.${ component } = ${ sourceProperty }[ ${ i } ]` ); + + } + + if ( output !== 'void' ) { + + snippet = target; + + } + + } else { + + snippet = `${ target } = ${ source }`; + + if ( output === 'void' || sourceType === 'void' ) { + + builder.addLineFlowCode( snippet ); + + if ( output !== 'void' ) { + + snippet = target; + + } + + } + + } + + nodeData.initialized = true; + + return builder.format( snippet, targetType, output ); + + } + +} + +const assign = nodeProxy( AssignNode ); + +addNodeClass( 'AssignNode', AssignNode ); + +addNodeElement( 'assign', assign ); + +class VaryingNode extends Node { + + constructor( node, name = null ) { + + super(); + + this.node = node; + this.name = name; + + this.isVaryingNode = true; + + } + + isGlobal() { + + return true; + + } + + getHash( builder ) { + + return this.name || super.getHash( builder ); + + } + + getNodeType( builder ) { + + // VaryingNode is auto type + + return this.node.getNodeType( builder ); + + } + + setupVarying( builder ) { + + const properties = builder.getNodeProperties( this ); + + let varying = properties.varying; + + if ( varying === undefined ) { + + const name = this.name; + const type = this.getNodeType( builder ); + + properties.varying = varying = builder.getVaryingFromNode( this, name, type ); + properties.node = this.node; + + } + + // this property can be used to check if the varying can be optimized for a variable + varying.needsInterpolation || ( varying.needsInterpolation = ( builder.shaderStage === 'fragment' ) ); + + return varying; + + } + + setup( builder ) { + + this.setupVarying( builder ); + + } + + analyze( builder ) { + + this.setupVarying( builder ); + + return this.node.analyze( builder ); + + } + + generate( builder ) { + + const properties = builder.getNodeProperties( this ); + const varying = this.setupVarying( builder ); + + if ( properties.propertyName === undefined ) { + + const type = this.getNodeType( builder ); + const propertyName = builder.getPropertyName( varying, NodeShaderStage.VERTEX ); + + // force node run in vertex stage + builder.flowNodeFromShaderStage( NodeShaderStage.VERTEX, this.node, type, propertyName ); + + properties.propertyName = propertyName; + + } + + return builder.getPropertyName( varying ); + + } + +} + +const varying = nodeProxy( VaryingNode ); + +addNodeElement( 'varying', varying ); + +addNodeClass( 'VaryingNode', VaryingNode ); + +class AttributeNode extends Node { + + constructor( attributeName, nodeType = null, defaultNode = null ) { + + super( nodeType ); + + this.defaultNode = defaultNode; + + this.global = true; + + this._attributeName = attributeName; + + } + + getHash( builder ) { + + return this.getAttributeName( builder ); + + } + + getNodeType( builder ) { + + let nodeType = super.getNodeType( builder ); + + if ( nodeType === null ) { + + const attributeName = this.getAttributeName( builder ); + + if ( builder.hasGeometryAttribute( attributeName ) ) { + + const attribute = builder.geometry.getAttribute( attributeName ); + + nodeType = builder.getTypeFromAttribute( attribute ); + + } else { + + nodeType = 'float'; + + } + + } + + return nodeType; + + } + + setAttributeName( attributeName ) { + + this._attributeName = attributeName; + + return this; + + } + + getAttributeName( /*builder*/ ) { + + return this._attributeName; + + } + + generate( builder ) { + + const attributeName = this.getAttributeName( builder ); + const nodeType = this.getNodeType( builder ); + const geometryAttribute = builder.hasGeometryAttribute( attributeName ); + + if ( geometryAttribute === true ) { + + const attribute = builder.geometry.getAttribute( attributeName ); + const attributeType = builder.getTypeFromAttribute( attribute ); + + const nodeAttribute = builder.getAttribute( attributeName, attributeType ); + + if ( builder.shaderStage === 'vertex' ) { + + return builder.format( nodeAttribute.name, attributeType, nodeType ); + + } else { + + const nodeVarying = varying( this ); + + return nodeVarying.build( builder, nodeType ); + + } + + } else { + + console.warn( `AttributeNode: Vertex attribute "${ attributeName }" not found on geometry.` ); + + const { defaultNode } = this; + + if ( defaultNode !== null ) { + + return defaultNode.build( builder, nodeType ); + + } else { + + return builder.generateConst( nodeType ); + + } + + } + + } + +} + +const attribute = ( name, nodeType, defaultNode ) => nodeObject( new AttributeNode( name, nodeType, nodeObject( defaultNode ) ) ); + +addNodeClass( 'AttributeNode', AttributeNode ); + +class BypassNode extends Node { + + constructor( returnNode, callNode ) { + + super(); + + this.isBypassNode = true; + + this.outputNode = returnNode; + this.callNode = callNode; + + } + + getNodeType( builder ) { + + return this.outputNode.getNodeType( builder ); + + } + + generate( builder ) { + + const snippet = this.callNode.build( builder, 'void' ); + + if ( snippet !== '' ) { + + builder.addLineFlowCode( snippet ); + + } + + return this.outputNode.build( builder ); + + } + +} + +const bypass = nodeProxy( BypassNode ); + +addNodeElement( 'bypass', bypass ); + +addNodeClass( 'BypassNode', BypassNode ); + +class CacheNode extends Node { + + constructor( node, parent = true ) { + + super(); + + this.node = node; + this.parent = parent; + + this.isCacheNode = true; + + } + + getNodeType( builder ) { + + return this.node.getNodeType( builder ); + + } + + build( builder, ...params ) { + + const previousCache = builder.getCache(); + const cache = builder.getCacheFromNode( this, parent ); + + builder.setCache( cache ); + + const data = this.node.build( builder, ...params ); + + builder.setCache( previousCache ); + + return data; + + } + +} + +const cache = ( node, ...params ) => nodeObject( new CacheNode( nodeObject( node ), ...params ) ); + +addNodeElement( 'cache', cache ); + +addNodeClass( 'CacheNode', CacheNode ); + +class ContextNode extends Node { + + constructor( node, context = {} ) { + + super(); + + this.isContextNode = true; + + this.node = node; + this.context = context; + + } + + getNodeType( builder ) { + + return this.node.getNodeType( builder ); + + } + + analyze( builder ) { + + this.node.build( builder ); + + } + + setup( builder ) { + + const previousContext = builder.getContext(); + + builder.setContext( { ...builder.context, ...this.context } ); + + const node = this.node.build( builder ); + + builder.setContext( previousContext ); + + return node; + + } + + generate( builder, output ) { + + const previousContext = builder.getContext(); + + builder.setContext( { ...builder.context, ...this.context } ); + + const snippet = this.node.build( builder, output ); + + builder.setContext( previousContext ); + + return snippet; + + } + +} + +const context = nodeProxy( ContextNode ); +const label = ( node, name ) => context( node, { label: name } ); + +addNodeElement( 'context', context ); +addNodeElement( 'label', label ); + +addNodeClass( 'ContextNode', ContextNode ); + +class IndexNode extends Node { + + constructor( scope ) { + + super( 'uint' ); + + this.scope = scope; + + this.isInstanceIndexNode = true; + + } + + generate( builder ) { + + const nodeType = this.getNodeType( builder ); + const scope = this.scope; + + let propertyName; + + if ( scope === IndexNode.VERTEX ) { + + propertyName = builder.getVertexIndex(); + + } else if ( scope === IndexNode.INSTANCE ) { + + propertyName = builder.getInstanceIndex(); + + } else if ( scope === IndexNode.DRAW ) { + + propertyName = builder.getDrawIndex(); + + } else { + + throw new Error( 'THREE.IndexNode: Unknown scope: ' + scope ); + + } + + let output; + + if ( builder.shaderStage === 'vertex' || builder.shaderStage === 'compute' ) { + + output = propertyName; + + } else { + + const nodeVarying = varying( this ); + + output = nodeVarying.build( builder, nodeType ); + + } + + return output; + + } + +} + +IndexNode.VERTEX = 'vertex'; +IndexNode.INSTANCE = 'instance'; +IndexNode.DRAW = 'draw'; + +const vertexIndex = nodeImmutable( IndexNode, IndexNode.VERTEX ); +const instanceIndex = nodeImmutable( IndexNode, IndexNode.INSTANCE ); +const drawIndex = nodeImmutable( IndexNode, IndexNode.DRAW ); + +addNodeClass( 'IndexNode', IndexNode ); + +class LightingModel { + + start( /*input, stack, builder*/ ) { } + + finish( /*input, stack, builder*/ ) { } + + direct( /*input, stack, builder*/ ) { } + + directRectArea( /*input, stack, builder*/ ) {} + + indirectDiffuse( /*input, stack, builder*/ ) { } + + indirectSpecular( /*input, stack, builder*/ ) { } + + ambientOcclusion( /*input, stack, builder*/ ) { } + +} + +class VarNode extends Node { + + constructor( node, name = null ) { + + super(); + + this.node = node; + this.name = name; + + this.global = true; + + this.isVarNode = true; + + } + + getHash( builder ) { + + return this.name || super.getHash( builder ); + + } + + getNodeType( builder ) { + + return this.node.getNodeType( builder ); + + } + + generate( builder ) { + + const { node, name } = this; + + const nodeVar = builder.getVarFromNode( this, name, builder.getVectorType( this.getNodeType( builder ) ) ); + + const propertyName = builder.getPropertyName( nodeVar ); + + const snippet = node.build( builder, nodeVar.type ); + + builder.addLineFlowCode( `${propertyName} = ${snippet}` ); + + return propertyName; + + } + +} + +const temp = nodeProxy( VarNode ); + +addNodeElement( 'temp', temp ); // @TODO: Will be removed in the future +addNodeElement( 'toVar', ( ...params ) => temp( ...params ).append() ); + +addNodeClass( 'VarNode', VarNode ); + +class NodeAttribute { + + constructor( name, type, node = null ) { + + this.isNodeAttribute = true; + + this.name = name; + this.type = type; + this.node = node; + + } + +} + +class NodeUniform { + + constructor( name, type, node ) { + + this.isNodeUniform = true; + + this.name = name; + this.type = type; + this.node = node.getSelf(); + + } + + get value() { + + return this.node.value; + + } + + set value( val ) { + + this.node.value = val; + + } + + get id() { + + return this.node.id; + + } + + get groupNode() { + + return this.node.groupNode; + + } + +} + +class NodeVar { + + constructor( name, type ) { + + this.isNodeVar = true; + + this.name = name; + this.type = type; + + } + +} + +class NodeVarying extends NodeVar { + + constructor( name, type ) { + + super( name, type ); + + this.needsInterpolation = false; + + this.isNodeVarying = true; + + } + +} + +class NodeCode { + + constructor( name, type, code = '' ) { + + this.name = name; + this.type = type; + this.code = code; + + Object.defineProperty( this, 'isNodeCode', { value: true } ); + + } + +} + +class NodeKeywords { + + constructor() { + + this.keywords = []; + this.nodes = {}; + this.keywordsCallback = {}; + + } + + getNode( name ) { + + let node = this.nodes[ name ]; + + if ( node === undefined && this.keywordsCallback[ name ] !== undefined ) { + + node = this.keywordsCallback[ name ]( name ); + + this.nodes[ name ] = node; + + } + + return node; + + } + + addKeyword( name, callback ) { + + this.keywords.push( name ); + this.keywordsCallback[ name ] = callback; + + return this; + + } + + parse( code ) { + + const keywordNames = this.keywords; + + const regExp = new RegExp( `\\b${keywordNames.join( '\\b|\\b' )}\\b`, 'g' ); + + const codeKeywords = code.match( regExp ); + + const keywordNodes = []; + + if ( codeKeywords !== null ) { + + for ( const keyword of codeKeywords ) { + + const node = this.getNode( keyword ); + + if ( node !== undefined && keywordNodes.indexOf( node ) === - 1 ) { + + keywordNodes.push( node ); + + } + + } + + } + + return keywordNodes; + + } + + include( builder, code ) { + + const keywordNodes = this.parse( code ); + + for ( const keywordNode of keywordNodes ) { + + keywordNode.build( builder ); + + } + + } + +} + +let id$3 = 0; + +class NodeCache { + + constructor( parent = null ) { + + this.id = id$3 ++; + this.nodesData = new WeakMap(); + + this.parent = parent; + + } + + getData( node ) { + + let data = this.nodesData.get( node ); + + if ( data === undefined && this.parent !== null ) { + + data = this.parent.getData( node ); + + } + + return data; + + } + + setData( node, data ) { + + this.nodesData.set( node, data ); + + } + +} + +class PropertyNode extends Node { + + constructor( nodeType, name = null, varying = false ) { + + super( nodeType ); + + this.name = name; + this.varying = varying; + + this.isPropertyNode = true; + + } + + getHash( builder ) { + + return this.name || super.getHash( builder ); + + } + + isGlobal( /*builder*/ ) { + + return true; + + } + + generate( builder ) { + + let nodeVar; + + if ( this.varying === true ) { + + nodeVar = builder.getVaryingFromNode( this, this.name ); + nodeVar.needsInterpolation = true; + + } else { + + nodeVar = builder.getVarFromNode( this, this.name ); + + } + + return builder.getPropertyName( nodeVar ); + + } + +} + +const property = ( type, name ) => nodeObject( new PropertyNode( type, name ) ); +const varyingProperty = ( type, name ) => nodeObject( new PropertyNode( type, name, true ) ); + +const diffuseColor = nodeImmutable( PropertyNode, 'vec4', 'DiffuseColor' ); +const roughness = nodeImmutable( PropertyNode, 'float', 'Roughness' ); +const metalness = nodeImmutable( PropertyNode, 'float', 'Metalness' ); +const clearcoat = nodeImmutable( PropertyNode, 'float', 'Clearcoat' ); +const clearcoatRoughness = nodeImmutable( PropertyNode, 'float', 'ClearcoatRoughness' ); +const sheen = nodeImmutable( PropertyNode, 'vec3', 'Sheen' ); +const sheenRoughness = nodeImmutable( PropertyNode, 'float', 'SheenRoughness' ); +const iridescence = nodeImmutable( PropertyNode, 'float', 'Iridescence' ); +const iridescenceIOR = nodeImmutable( PropertyNode, 'float', 'IridescenceIOR' ); +const iridescenceThickness = nodeImmutable( PropertyNode, 'float', 'IridescenceThickness' ); +const alphaT = nodeImmutable( PropertyNode, 'float', 'AlphaT' ); +const anisotropy = nodeImmutable( PropertyNode, 'float', 'Anisotropy' ); +const anisotropyT = nodeImmutable( PropertyNode, 'vec3', 'AnisotropyT' ); +const anisotropyB = nodeImmutable( PropertyNode, 'vec3', 'AnisotropyB' ); +const specularColor = nodeImmutable( PropertyNode, 'color', 'SpecularColor' ); +const specularF90 = nodeImmutable( PropertyNode, 'float', 'SpecularF90' ); +const shininess = nodeImmutable( PropertyNode, 'float', 'Shininess' ); +const output = nodeImmutable( PropertyNode, 'vec4', 'Output' ); +const dashSize = nodeImmutable( PropertyNode, 'float', 'dashSize' ); +const gapSize = nodeImmutable( PropertyNode, 'float', 'gapSize' ); +const pointWidth = nodeImmutable( PropertyNode, 'float', 'pointWidth' ); +const ior = nodeImmutable( PropertyNode, 'float', 'IOR' ); +const transmission = nodeImmutable( PropertyNode, 'float', 'Transmission' ); +const thickness = nodeImmutable( PropertyNode, 'float', 'Thickness' ); +const attenuationDistance = nodeImmutable( PropertyNode, 'float', 'AttenuationDistance' ); +const attenuationColor = nodeImmutable( PropertyNode, 'color', 'AttenuationColor' ); +const dispersion = nodeImmutable( PropertyNode, 'float', 'Dispersion' ); + +addNodeClass( 'PropertyNode', PropertyNode ); + +class ParameterNode extends PropertyNode { + + constructor( nodeType, name = null ) { + + super( nodeType, name ); + + this.isParameterNode = true; + + } + + getHash() { + + return this.uuid; + + } + + generate() { + + return this.name; + + } + +} + +const parameter = ( type, name ) => nodeObject( new ParameterNode( type, name ) ); + +addNodeClass( 'ParameterNode', ParameterNode ); + +class CodeNode extends Node { + + constructor( code = '', includes = [], language = '' ) { + + super( 'code' ); + + this.isCodeNode = true; + + this.code = code; + this.language = language; + + this.includes = includes; + + } + + isGlobal() { + + return true; + + } + + setIncludes( includes ) { + + this.includes = includes; + + return this; + + } + + getIncludes( /*builder*/ ) { + + return this.includes; + + } + + generate( builder ) { + + const includes = this.getIncludes( builder ); + + for ( const include of includes ) { + + include.build( builder ); + + } + + const nodeCode = builder.getCodeFromNode( this, this.getNodeType( builder ) ); + nodeCode.code = this.code; + + return nodeCode.code; + + } + + serialize( data ) { + + super.serialize( data ); + + data.code = this.code; + data.language = this.language; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.code = data.code; + this.language = data.language; + + } + +} + +const code = nodeProxy( CodeNode ); + +const js = ( src, includes ) => code( src, includes, 'js' ); +const wgsl = ( src, includes ) => code( src, includes, 'wgsl' ); +const glsl = ( src, includes ) => code( src, includes, 'glsl' ); + +addNodeClass( 'CodeNode', CodeNode ); + +class FunctionNode extends CodeNode { + + constructor( code = '', includes = [], language = '' ) { + + super( code, includes, language ); + + this.keywords = {}; + + } + + getNodeType( builder ) { + + return this.getNodeFunction( builder ).type; + + } + + getInputs( builder ) { + + return this.getNodeFunction( builder ).inputs; + + } + + getNodeFunction( builder ) { + + const nodeData = builder.getDataFromNode( this ); + + let nodeFunction = nodeData.nodeFunction; + + if ( nodeFunction === undefined ) { + + nodeFunction = builder.parser.parseFunction( this.code ); + + nodeData.nodeFunction = nodeFunction; + + } + + return nodeFunction; + + } + + generate( builder, output ) { + + super.generate( builder ); + + const nodeFunction = this.getNodeFunction( builder ); + + const name = nodeFunction.name; + const type = nodeFunction.type; + + const nodeCode = builder.getCodeFromNode( this, type ); + + if ( name !== '' ) { + + // use a custom property name + + nodeCode.name = name; + + } + + const propertyName = builder.getPropertyName( nodeCode ); + + let code = this.getNodeFunction( builder ).getCode( propertyName ); + + const keywords = this.keywords; + const keywordsProperties = Object.keys( keywords ); + + if ( keywordsProperties.length > 0 ) { + + for ( const property of keywordsProperties ) { + + const propertyRegExp = new RegExp( `\\b${property}\\b`, 'g' ); + const nodeProperty = keywords[ property ].build( builder, 'property' ); + + code = code.replace( propertyRegExp, nodeProperty ); + + } + + } + + nodeCode.code = code + '\n'; + + if ( output === 'property' ) { + + return propertyName; + + } else { + + return builder.format( `${ propertyName }()`, type, output ); + + } + + } + +} + +const nativeFn = ( code, includes = [], language = '' ) => { + + for ( let i = 0; i < includes.length; i ++ ) { + + const include = includes[ i ]; + + // TSL Function: glslFn, wgslFn + + if ( typeof include === 'function' ) { + + includes[ i ] = include.functionNode; + + } + + } + + const functionNode = nodeObject( new FunctionNode( code, includes, language ) ); + + const fn = ( ...params ) => functionNode.call( ...params ); + fn.functionNode = functionNode; + + return fn; + +}; + +const glslFn = ( code, includes ) => nativeFn( code, includes, 'glsl' ); +const wgslFn = ( code, includes ) => nativeFn( code, includes, 'wgsl' ); + +addNodeClass( 'FunctionNode', FunctionNode ); + +class UniformGroupNode extends Node { + + constructor( name, shared = false ) { + + super( 'string' ); + + this.name = name; + this.version = 0; + + this.shared = shared; + + this.isUniformGroup = true; + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + +} + +const uniformGroup = ( name ) => new UniformGroupNode( name ); +const sharedUniformGroup = ( name ) => new UniformGroupNode( name, true ); + +const frameGroup = sharedUniformGroup( 'frame' ); +const renderGroup = sharedUniformGroup( 'render' ); +const objectGroup = uniformGroup( 'object' ); + +addNodeClass( 'UniformGroupNode', UniformGroupNode ); + +class UniformNode extends InputNode { + + constructor( value, nodeType = null ) { + + super( value, nodeType ); + + this.isUniformNode = true; + + this.name = ''; + this.groupNode = objectGroup; + + } + + label( name ) { + + this.name = name; + + return this; + + } + + setGroup( group ) { + + this.groupNode = group; + + return this; + + } + + getGroup() { + + return this.groupNode; + + } + + getUniformHash( builder ) { + + return this.getHash( builder ); + + } + + onUpdate( callback, updateType ) { + + const self = this.getSelf(); + + callback = callback.bind( self ); + + return super.onUpdate( ( frame ) => { + + const value = callback( frame, self ); + + if ( value !== undefined ) { + + this.value = value; + + } + + }, updateType ); + + } + + generate( builder, output ) { + + const type = this.getNodeType( builder ); + + const hash = this.getUniformHash( builder ); + + let sharedNode = builder.getNodeFromHash( hash ); + + if ( sharedNode === undefined ) { + + builder.setHashNode( this, hash ); + + sharedNode = this; + + } + + const sharedNodeType = sharedNode.getInputType( builder ); + + const nodeUniform = builder.getUniformFromNode( sharedNode, sharedNodeType, builder.shaderStage, this.name || builder.context.label ); + const propertyName = builder.getPropertyName( nodeUniform ); + + if ( builder.context.label !== undefined ) delete builder.context.label; + + return builder.format( propertyName, type, output ); + + } + +} + +const uniform = ( arg1, arg2 ) => { + + const nodeType = getConstNodeType( arg2 || arg1 ); + + // @TODO: get ConstNode from .traverse() in the future + const value = ( arg1 && arg1.isNode === true ) ? ( arg1.node && arg1.node.value ) || arg1.value : arg1; + + return nodeObject( new UniformNode( value, nodeType ) ); + +}; + +addNodeClass( 'UniformNode', UniformNode ); + +const uv = ( index ) => attribute( 'uv' + ( index > 0 ? index : '' ), 'vec2' ); + +class TextureSizeNode extends Node { + + constructor( textureNode, levelNode = null ) { + + super( 'uvec2' ); + + this.isTextureSizeNode = true; + + this.textureNode = textureNode; + this.levelNode = levelNode; + + } + + generate( builder, output ) { + + const textureProperty = this.textureNode.build( builder, 'property' ); + const levelNode = this.levelNode.build( builder, 'int' ); + + return builder.format( `${ builder.getMethod( 'textureDimensions' ) }( ${ textureProperty }, ${ levelNode } )`, this.getNodeType( builder ), output ); + + } + +} + +const textureSize = nodeProxy( TextureSizeNode ); + +addNodeElement( 'textureSize', textureSize ); + +addNodeClass( 'TextureSizeNode', TextureSizeNode ); + +class OperatorNode extends TempNode { + + constructor( op, aNode, bNode, ...params ) { + + super(); + + if ( params.length > 0 ) { + + let finalOp = new OperatorNode( op, aNode, bNode ); + + for ( let i = 0; i < params.length - 1; i ++ ) { + + finalOp = new OperatorNode( op, finalOp, params[ i ] ); + + } + + aNode = finalOp; + bNode = params[ params.length - 1 ]; + + } + + this.op = op; + this.aNode = aNode; + this.bNode = bNode; + + } + + getNodeType( builder, output ) { + + const op = this.op; + + const aNode = this.aNode; + const bNode = this.bNode; + + const typeA = aNode.getNodeType( builder ); + const typeB = typeof bNode !== 'undefined' ? bNode.getNodeType( builder ) : null; + + if ( typeA === 'void' || typeB === 'void' ) { + + return 'void'; + + } else if ( op === '%' ) { + + return typeA; + + } else if ( op === '~' || op === '&' || op === '|' || op === '^' || op === '>>' || op === '<<' ) { + + return builder.getIntegerType( typeA ); + + } else if ( op === '!' || op === '==' || op === '&&' || op === '||' || op === '^^' ) { + + return 'bool'; + + } else if ( op === '<' || op === '>' || op === '<=' || op === '>=' ) { + + const typeLength = output ? builder.getTypeLength( output ) : Math.max( builder.getTypeLength( typeA ), builder.getTypeLength( typeB ) ); + + return typeLength > 1 ? `bvec${ typeLength }` : 'bool'; + + } else { + + if ( typeA === 'float' && builder.isMatrix( typeB ) ) { + + return typeB; + + } else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) { + + // matrix x vector + + return builder.getVectorFromMatrix( typeA ); + + } else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) { + + // vector x matrix + + return builder.getVectorFromMatrix( typeB ); + + } else if ( builder.getTypeLength( typeB ) > builder.getTypeLength( typeA ) ) { + + // anytype x anytype: use the greater length vector + + return typeB; + + } + + return typeA; + + } + + } + + generate( builder, output ) { + + const op = this.op; + + const aNode = this.aNode; + const bNode = this.bNode; + + const type = this.getNodeType( builder, output ); + + let typeA = null; + let typeB = null; + + if ( type !== 'void' ) { + + typeA = aNode.getNodeType( builder ); + typeB = typeof bNode !== 'undefined' ? bNode.getNodeType( builder ) : null; + + if ( op === '<' || op === '>' || op === '<=' || op === '>=' || op === '==' ) { + + if ( builder.isVector( typeA ) ) { + + typeB = typeA; + + } else { + + typeA = typeB = 'float'; + + } + + } else if ( op === '>>' || op === '<<' ) { + + typeA = type; + typeB = builder.changeComponentType( typeB, 'uint' ); + + } else if ( builder.isMatrix( typeA ) && builder.isVector( typeB ) ) { + + // matrix x vector + + typeB = builder.getVectorFromMatrix( typeA ); + + } else if ( builder.isVector( typeA ) && builder.isMatrix( typeB ) ) { + + // vector x matrix + + typeA = builder.getVectorFromMatrix( typeB ); + + } else { + + // anytype x anytype + + typeA = typeB = type; + + } + + } else { + + typeA = typeB = type; + + } + + const a = aNode.build( builder, typeA ); + const b = typeof bNode !== 'undefined' ? bNode.build( builder, typeB ) : null; + + const outputLength = builder.getTypeLength( output ); + const fnOpSnippet = builder.getFunctionOperator( op ); + + if ( output !== 'void' ) { + + if ( op === '<' && outputLength > 1 ) { + + return builder.format( `${ builder.getMethod( 'lessThan' ) }( ${ a }, ${ b } )`, type, output ); + + } else if ( op === '<=' && outputLength > 1 ) { + + return builder.format( `${ builder.getMethod( 'lessThanEqual' ) }( ${ a }, ${ b } )`, type, output ); + + } else if ( op === '>' && outputLength > 1 ) { + + return builder.format( `${ builder.getMethod( 'greaterThan' ) }( ${ a }, ${ b } )`, type, output ); + + } else if ( op === '>=' && outputLength > 1 ) { + + return builder.format( `${ builder.getMethod( 'greaterThanEqual' ) }( ${ a }, ${ b } )`, type, output ); + + } else if ( op === '!' || op === '~' ) { + + return builder.format( `(${op}${a})`, typeA, output ); + + } else if ( fnOpSnippet ) { + + return builder.format( `${ fnOpSnippet }( ${ a }, ${ b } )`, type, output ); + + } else { + + return builder.format( `( ${ a } ${ op } ${ b } )`, type, output ); + + } + + } else if ( typeA !== 'void' ) { + + if ( fnOpSnippet ) { + + return builder.format( `${ fnOpSnippet }( ${ a }, ${ b } )`, type, output ); + + } else { + + return builder.format( `${ a } ${ op } ${ b }`, type, output ); + + } + + } + + } + + serialize( data ) { + + super.serialize( data ); + + data.op = this.op; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.op = data.op; + + } + +} + +const add = nodeProxy( OperatorNode, '+' ); +const sub = nodeProxy( OperatorNode, '-' ); +const mul = nodeProxy( OperatorNode, '*' ); +const div = nodeProxy( OperatorNode, '/' ); +const remainder = nodeProxy( OperatorNode, '%' ); +const equal = nodeProxy( OperatorNode, '==' ); +const notEqual = nodeProxy( OperatorNode, '!=' ); +const lessThan = nodeProxy( OperatorNode, '<' ); +const greaterThan = nodeProxy( OperatorNode, '>' ); +const lessThanEqual = nodeProxy( OperatorNode, '<=' ); +const greaterThanEqual = nodeProxy( OperatorNode, '>=' ); +const and = nodeProxy( OperatorNode, '&&' ); +const or = nodeProxy( OperatorNode, '||' ); +const not = nodeProxy( OperatorNode, '!' ); +const xor = nodeProxy( OperatorNode, '^^' ); +const bitAnd = nodeProxy( OperatorNode, '&' ); +const bitNot = nodeProxy( OperatorNode, '~' ); +const bitOr = nodeProxy( OperatorNode, '|' ); +const bitXor = nodeProxy( OperatorNode, '^' ); +const shiftLeft = nodeProxy( OperatorNode, '<<' ); +const shiftRight = nodeProxy( OperatorNode, '>>' ); + +addNodeElement( 'add', add ); +addNodeElement( 'sub', sub ); +addNodeElement( 'mul', mul ); +addNodeElement( 'div', div ); +addNodeElement( 'remainder', remainder ); +addNodeElement( 'equal', equal ); +addNodeElement( 'notEqual', notEqual ); +addNodeElement( 'lessThan', lessThan ); +addNodeElement( 'greaterThan', greaterThan ); +addNodeElement( 'lessThanEqual', lessThanEqual ); +addNodeElement( 'greaterThanEqual', greaterThanEqual ); +addNodeElement( 'and', and ); +addNodeElement( 'or', or ); +addNodeElement( 'not', not ); +addNodeElement( 'xor', xor ); +addNodeElement( 'bitAnd', bitAnd ); +addNodeElement( 'bitNot', bitNot ); +addNodeElement( 'bitOr', bitOr ); +addNodeElement( 'bitXor', bitXor ); +addNodeElement( 'shiftLeft', shiftLeft ); +addNodeElement( 'shiftRight', shiftRight ); + +addNodeClass( 'OperatorNode', OperatorNode ); + +class MathNode extends TempNode { + + constructor( method, aNode, bNode = null, cNode = null ) { + + super(); + + this.method = method; + + this.aNode = aNode; + this.bNode = bNode; + this.cNode = cNode; + + } + + getInputType( builder ) { + + const aType = this.aNode.getNodeType( builder ); + const bType = this.bNode ? this.bNode.getNodeType( builder ) : null; + const cType = this.cNode ? this.cNode.getNodeType( builder ) : null; + + const aLen = builder.isMatrix( aType ) ? 0 : builder.getTypeLength( aType ); + const bLen = builder.isMatrix( bType ) ? 0 : builder.getTypeLength( bType ); + const cLen = builder.isMatrix( cType ) ? 0 : builder.getTypeLength( cType ); + + if ( aLen > bLen && aLen > cLen ) { + + return aType; + + } else if ( bLen > cLen ) { + + return bType; + + } else if ( cLen > aLen ) { + + return cType; + + } + + return aType; + + } + + getNodeType( builder ) { + + const method = this.method; + + if ( method === MathNode.LENGTH || method === MathNode.DISTANCE || method === MathNode.DOT ) { + + return 'float'; + + } else if ( method === MathNode.CROSS ) { + + return 'vec3'; + + } else if ( method === MathNode.ALL ) { + + return 'bool'; + + } else if ( method === MathNode.EQUALS ) { + + return builder.changeComponentType( this.aNode.getNodeType( builder ), 'bool' ); + + } else if ( method === MathNode.MOD ) { + + return this.aNode.getNodeType( builder ); + + } else { + + return this.getInputType( builder ); + + } + + } + + generate( builder, output ) { + + const method = this.method; + + const type = this.getNodeType( builder ); + const inputType = this.getInputType( builder ); + + const a = this.aNode; + const b = this.bNode; + const c = this.cNode; + + const isWebGL = builder.renderer.isWebGLRenderer === true; + + if ( method === MathNode.TRANSFORM_DIRECTION ) { + + // dir can be either a direction vector or a normal vector + // upper-left 3x3 of matrix is assumed to be orthogonal + + let tA = a; + let tB = b; + + if ( builder.isMatrix( tA.getNodeType( builder ) ) ) { + + tB = vec4( vec3( tB ), 0.0 ); + + } else { + + tA = vec4( vec3( tA ), 0.0 ); + + } + + const mulNode = mul( tA, tB ).xyz; + + return normalize( mulNode ).build( builder, output ); + + } else if ( method === MathNode.NEGATE ) { + + return builder.format( '( - ' + a.build( builder, inputType ) + ' )', type, output ); + + } else if ( method === MathNode.ONE_MINUS ) { + + return sub( 1.0, a ).build( builder, output ); + + } else if ( method === MathNode.RECIPROCAL ) { + + return div( 1.0, a ).build( builder, output ); + + } else if ( method === MathNode.DIFFERENCE ) { + + return abs( sub( a, b ) ).build( builder, output ); + + } else { + + const params = []; + + if ( method === MathNode.CROSS || method === MathNode.MOD ) { + + params.push( + a.build( builder, type ), + b.build( builder, type ) + ); + + } else if ( method === MathNode.STEP ) { + + params.push( + a.build( builder, builder.getTypeLength( a.getNodeType( builder ) ) === 1 ? 'float' : inputType ), + b.build( builder, inputType ) + ); + + } else if ( ( isWebGL && ( method === MathNode.MIN || method === MathNode.MAX ) ) || method === MathNode.MOD ) { + + params.push( + a.build( builder, inputType ), + b.build( builder, builder.getTypeLength( b.getNodeType( builder ) ) === 1 ? 'float' : inputType ) + ); + + } else if ( method === MathNode.REFRACT ) { + + params.push( + a.build( builder, inputType ), + b.build( builder, inputType ), + c.build( builder, 'float' ) + ); + + } else if ( method === MathNode.MIX ) { + + params.push( + a.build( builder, inputType ), + b.build( builder, inputType ), + c.build( builder, builder.getTypeLength( c.getNodeType( builder ) ) === 1 ? 'float' : inputType ) + ); + + } else { + + params.push( a.build( builder, inputType ) ); + if ( b !== null ) params.push( b.build( builder, inputType ) ); + if ( c !== null ) params.push( c.build( builder, inputType ) ); + + } + + return builder.format( `${ builder.getMethod( method, type ) }( ${params.join( ', ' )} )`, type, output ); + + } + + } + + serialize( data ) { + + super.serialize( data ); + + data.method = this.method; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.method = data.method; + + } + +} + +// 1 input + +MathNode.ALL = 'all'; +MathNode.ANY = 'any'; +MathNode.EQUALS = 'equals'; + +MathNode.RADIANS = 'radians'; +MathNode.DEGREES = 'degrees'; +MathNode.EXP = 'exp'; +MathNode.EXP2 = 'exp2'; +MathNode.LOG = 'log'; +MathNode.LOG2 = 'log2'; +MathNode.SQRT = 'sqrt'; +MathNode.INVERSE_SQRT = 'inversesqrt'; +MathNode.FLOOR = 'floor'; +MathNode.CEIL = 'ceil'; +MathNode.NORMALIZE = 'normalize'; +MathNode.FRACT = 'fract'; +MathNode.SIN = 'sin'; +MathNode.COS = 'cos'; +MathNode.TAN = 'tan'; +MathNode.ASIN = 'asin'; +MathNode.ACOS = 'acos'; +MathNode.ATAN = 'atan'; +MathNode.ABS = 'abs'; +MathNode.SIGN = 'sign'; +MathNode.LENGTH = 'length'; +MathNode.NEGATE = 'negate'; +MathNode.ONE_MINUS = 'oneMinus'; +MathNode.DFDX = 'dFdx'; +MathNode.DFDY = 'dFdy'; +MathNode.ROUND = 'round'; +MathNode.RECIPROCAL = 'reciprocal'; +MathNode.TRUNC = 'trunc'; +MathNode.FWIDTH = 'fwidth'; +MathNode.BITCAST = 'bitcast'; +MathNode.TRANSPOSE = 'transpose'; + +// 2 inputs + +MathNode.ATAN2 = 'atan2'; +MathNode.MIN = 'min'; +MathNode.MAX = 'max'; +MathNode.MOD = 'mod'; +MathNode.STEP = 'step'; +MathNode.REFLECT = 'reflect'; +MathNode.DISTANCE = 'distance'; +MathNode.DIFFERENCE = 'difference'; +MathNode.DOT = 'dot'; +MathNode.CROSS = 'cross'; +MathNode.POW = 'pow'; +MathNode.TRANSFORM_DIRECTION = 'transformDirection'; + +// 3 inputs + +MathNode.MIX = 'mix'; +MathNode.CLAMP = 'clamp'; +MathNode.REFRACT = 'refract'; +MathNode.SMOOTHSTEP = 'smoothstep'; +MathNode.FACEFORWARD = 'faceforward'; + +const EPSILON = float( 1e-6 ); +const INFINITY = float( 1e6 ); +const PI = float( Math.PI ); +const PI2 = float( Math.PI * 2 ); + +const all = nodeProxy( MathNode, MathNode.ALL ); +const any = nodeProxy( MathNode, MathNode.ANY ); +const equals = nodeProxy( MathNode, MathNode.EQUALS ); + +const radians = nodeProxy( MathNode, MathNode.RADIANS ); +const degrees = nodeProxy( MathNode, MathNode.DEGREES ); +const exp = nodeProxy( MathNode, MathNode.EXP ); +const exp2 = nodeProxy( MathNode, MathNode.EXP2 ); +const log = nodeProxy( MathNode, MathNode.LOG ); +const log2 = nodeProxy( MathNode, MathNode.LOG2 ); +const sqrt = nodeProxy( MathNode, MathNode.SQRT ); +const inverseSqrt = nodeProxy( MathNode, MathNode.INVERSE_SQRT ); +const floor = nodeProxy( MathNode, MathNode.FLOOR ); +const ceil = nodeProxy( MathNode, MathNode.CEIL ); +const normalize = nodeProxy( MathNode, MathNode.NORMALIZE ); +const fract = nodeProxy( MathNode, MathNode.FRACT ); +const sin = nodeProxy( MathNode, MathNode.SIN ); +const cos = nodeProxy( MathNode, MathNode.COS ); +const tan = nodeProxy( MathNode, MathNode.TAN ); +const asin = nodeProxy( MathNode, MathNode.ASIN ); +const acos = nodeProxy( MathNode, MathNode.ACOS ); +const atan = nodeProxy( MathNode, MathNode.ATAN ); +const abs = nodeProxy( MathNode, MathNode.ABS ); +const sign = nodeProxy( MathNode, MathNode.SIGN ); +const length = nodeProxy( MathNode, MathNode.LENGTH ); +const negate = nodeProxy( MathNode, MathNode.NEGATE ); +const oneMinus = nodeProxy( MathNode, MathNode.ONE_MINUS ); +const dFdx = nodeProxy( MathNode, MathNode.DFDX ); +const dFdy = nodeProxy( MathNode, MathNode.DFDY ); +const round = nodeProxy( MathNode, MathNode.ROUND ); +const reciprocal = nodeProxy( MathNode, MathNode.RECIPROCAL ); +const trunc = nodeProxy( MathNode, MathNode.TRUNC ); +const fwidth = nodeProxy( MathNode, MathNode.FWIDTH ); +const bitcast = nodeProxy( MathNode, MathNode.BITCAST ); +const transpose = nodeProxy( MathNode, MathNode.TRANSPOSE ); + +const atan2 = nodeProxy( MathNode, MathNode.ATAN2 ); +const min$1 = nodeProxy( MathNode, MathNode.MIN ); +const max$1 = nodeProxy( MathNode, MathNode.MAX ); +const mod = nodeProxy( MathNode, MathNode.MOD ); +const step = nodeProxy( MathNode, MathNode.STEP ); +const reflect = nodeProxy( MathNode, MathNode.REFLECT ); +const distance = nodeProxy( MathNode, MathNode.DISTANCE ); +const difference = nodeProxy( MathNode, MathNode.DIFFERENCE ); +const dot = nodeProxy( MathNode, MathNode.DOT ); +const cross = nodeProxy( MathNode, MathNode.CROSS ); +const pow = nodeProxy( MathNode, MathNode.POW ); +const pow2 = nodeProxy( MathNode, MathNode.POW, 2 ); +const pow3 = nodeProxy( MathNode, MathNode.POW, 3 ); +const pow4 = nodeProxy( MathNode, MathNode.POW, 4 ); +const transformDirection = nodeProxy( MathNode, MathNode.TRANSFORM_DIRECTION ); + +const cbrt = ( a ) => mul( sign( a ), pow( abs( a ), 1.0 / 3.0 ) ); +const lengthSq = ( a ) => dot( a, a ); +const mix = nodeProxy( MathNode, MathNode.MIX ); +const clamp = ( value, low = 0, high = 1 ) => nodeObject( new MathNode( MathNode.CLAMP, nodeObject( value ), nodeObject( low ), nodeObject( high ) ) ); +const saturate = ( value ) => clamp( value ); +const refract = nodeProxy( MathNode, MathNode.REFRACT ); +const smoothstep = nodeProxy( MathNode, MathNode.SMOOTHSTEP ); +const faceForward = nodeProxy( MathNode, MathNode.FACEFORWARD ); + +const mixElement = ( t, e1, e2 ) => mix( e1, e2, t ); +const smoothstepElement = ( x, low, high ) => smoothstep( low, high, x ); + +addNodeElement( 'all', all ); +addNodeElement( 'any', any ); +addNodeElement( 'equals', equals ); + +addNodeElement( 'radians', radians ); +addNodeElement( 'degrees', degrees ); +addNodeElement( 'exp', exp ); +addNodeElement( 'exp2', exp2 ); +addNodeElement( 'log', log ); +addNodeElement( 'log2', log2 ); +addNodeElement( 'sqrt', sqrt ); +addNodeElement( 'inverseSqrt', inverseSqrt ); +addNodeElement( 'floor', floor ); +addNodeElement( 'ceil', ceil ); +addNodeElement( 'normalize', normalize ); +addNodeElement( 'fract', fract ); +addNodeElement( 'sin', sin ); +addNodeElement( 'cos', cos ); +addNodeElement( 'tan', tan ); +addNodeElement( 'asin', asin ); +addNodeElement( 'acos', acos ); +addNodeElement( 'atan', atan ); +addNodeElement( 'abs', abs ); +addNodeElement( 'sign', sign ); +addNodeElement( 'length', length ); +addNodeElement( 'lengthSq', lengthSq ); +addNodeElement( 'negate', negate ); +addNodeElement( 'oneMinus', oneMinus ); +addNodeElement( 'dFdx', dFdx ); +addNodeElement( 'dFdy', dFdy ); +addNodeElement( 'round', round ); +addNodeElement( 'reciprocal', reciprocal ); +addNodeElement( 'trunc', trunc ); +addNodeElement( 'fwidth', fwidth ); +addNodeElement( 'atan2', atan2 ); +addNodeElement( 'min', min$1 ); +addNodeElement( 'max', max$1 ); +addNodeElement( 'mod', mod ); +addNodeElement( 'step', step ); +addNodeElement( 'reflect', reflect ); +addNodeElement( 'distance', distance ); +addNodeElement( 'dot', dot ); +addNodeElement( 'cross', cross ); +addNodeElement( 'pow', pow ); +addNodeElement( 'pow2', pow2 ); +addNodeElement( 'pow3', pow3 ); +addNodeElement( 'pow4', pow4 ); +addNodeElement( 'transformDirection', transformDirection ); +addNodeElement( 'mix', mixElement ); +addNodeElement( 'clamp', clamp ); +addNodeElement( 'refract', refract ); +addNodeElement( 'smoothstep', smoothstepElement ); +addNodeElement( 'faceForward', faceForward ); +addNodeElement( 'difference', difference ); +addNodeElement( 'saturate', saturate ); +addNodeElement( 'cbrt', cbrt ); +addNodeElement( 'transpose', transpose ); + +addNodeClass( 'MathNode', MathNode ); + +const sRGBToLinearShader = tslFn( ( inputs ) => { + + const { value } = inputs; + const { rgb } = value; + + const a = rgb.mul( 0.9478672986 ).add( 0.0521327014 ).pow( 2.4 ); + const b = rgb.mul( 0.0773993808 ); + const factor = rgb.lessThanEqual( 0.04045 ); + + const rgbResult = mix( a, b, factor ); + + return vec4( rgbResult, value.a ); + +} ); + +const LinearTosRGBShader = tslFn( ( inputs ) => { + + const { value } = inputs; + const { rgb } = value; + + const a = rgb.pow( 0.41666 ).mul( 1.055 ).sub( 0.055 ); + const b = rgb.mul( 12.92 ); + const factor = rgb.lessThanEqual( 0.0031308 ); + + const rgbResult = mix( a, b, factor ); + + return vec4( rgbResult, value.a ); + +} ); + +const getColorSpaceMethod = ( colorSpace ) => { + + let method = null; + + if ( colorSpace === LinearSRGBColorSpace ) { + + method = 'Linear'; + + } else if ( colorSpace === SRGBColorSpace ) { + + method = 'sRGB'; + + } + + return method; + +}; + +const getMethod = ( source, target ) => { + + return getColorSpaceMethod( source ) + 'To' + getColorSpaceMethod( target ); + +}; + +class ColorSpaceNode extends TempNode { + + constructor( method, node ) { + + super( 'vec4' ); + + this.method = method; + this.node = node; + + } + + setup() { + + const { method, node } = this; + + if ( method === ColorSpaceNode.LINEAR_TO_LINEAR ) + return node; + + return Methods[ method ]( { value: node } ); + + } + +} + +ColorSpaceNode.LINEAR_TO_LINEAR = 'LinearToLinear'; +ColorSpaceNode.LINEAR_TO_sRGB = 'LinearTosRGB'; +ColorSpaceNode.sRGB_TO_LINEAR = 'sRGBToLinear'; + +const Methods = { + [ ColorSpaceNode.LINEAR_TO_sRGB ]: LinearTosRGBShader, + [ ColorSpaceNode.sRGB_TO_LINEAR ]: sRGBToLinearShader +}; + +const linearToColorSpace = ( node, colorSpace ) => nodeObject( new ColorSpaceNode( getMethod( LinearSRGBColorSpace, colorSpace ), nodeObject( node ) ) ); +const colorSpaceToLinear = ( node, colorSpace ) => nodeObject( new ColorSpaceNode( getMethod( colorSpace, LinearSRGBColorSpace ), nodeObject( node ) ) ); + +const linearTosRGB = nodeProxy( ColorSpaceNode, ColorSpaceNode.LINEAR_TO_sRGB ); +const sRGBToLinear = nodeProxy( ColorSpaceNode, ColorSpaceNode.sRGB_TO_LINEAR ); + +addNodeElement( 'linearTosRGB', linearTosRGB ); +addNodeElement( 'sRGBToLinear', sRGBToLinear ); +addNodeElement( 'linearToColorSpace', linearToColorSpace ); +addNodeElement( 'colorSpaceToLinear', colorSpaceToLinear ); + +addNodeClass( 'ColorSpaceNode', ColorSpaceNode ); + +class ExpressionNode extends Node { + + constructor( snippet = '', nodeType = 'void' ) { + + super( nodeType ); + + this.snippet = snippet; + + } + + generate( builder, output ) { + + const type = this.getNodeType( builder ); + const snippet = this.snippet; + + if ( type === 'void' ) { + + builder.addLineFlowCode( snippet ); + + } else { + + return builder.format( `( ${ snippet } )`, type, output ); + + } + + } + +} + +const expression = nodeProxy( ExpressionNode ); + +addNodeClass( 'ExpressionNode', ExpressionNode ); + +class MaxMipLevelNode extends UniformNode { + + constructor( textureNode ) { + + super( 0 ); + + this.textureNode = textureNode; + + this.updateType = NodeUpdateType.FRAME; + + } + + get texture() { + + return this.textureNode.value; + + } + + update() { + + const texture = this.texture; + const images = texture.images; + const image = ( images && images.length > 0 ) ? ( ( images[ 0 ] && images[ 0 ].image ) || images[ 0 ] ) : texture.image; + + if ( image && image.width !== undefined ) { + + const { width, height } = image; + + this.value = Math.log2( Math.max( width, height ) ); + + } + + } + +} + +const maxMipLevel = nodeProxy( MaxMipLevelNode ); + +addNodeClass( 'MaxMipLevelNode', MaxMipLevelNode ); + +class TextureNode extends UniformNode { + + constructor( value, uvNode = null, levelNode = null ) { + + super( value ); + + this.isTextureNode = true; + + this.uvNode = uvNode; + this.levelNode = levelNode; + this.compareNode = null; + this.depthNode = null; + this.gradNode = null; + + this.sampler = true; + this.updateMatrix = false; + this.updateType = NodeUpdateType.NONE; + + this.referenceNode = null; + + this._value = value; + + this.setUpdateMatrix( uvNode === null ); + + } + + set value( value ) { + + if ( this.referenceNode ) { + + this.referenceNode.value = value; + + } else { + + this._value = value; + + } + + } + + get value() { + + return this.referenceNode ? this.referenceNode.value : this._value; + + } + + getUniformHash( /*builder*/ ) { + + return this.value.uuid; + + } + + getNodeType( /*builder*/ ) { + + if ( this.value.isDepthTexture === true ) return 'float'; + + if ( this.value.type === UnsignedIntType ) { + + return 'uvec4'; + + } else if ( this.value.type === IntType ) { + + return 'ivec4'; + + } + + return 'vec4'; + + } + + getInputType( /*builder*/ ) { + + return 'texture'; + + } + + getDefaultUV() { + + return uv( this.value.channel ); + + } + + updateReference( /*state*/ ) { + + return this.value; + + } + + getTransformedUV( uvNode ) { + + const texture = this.value; + + return uniform( texture.matrix ).mul( vec3( uvNode, 1 ) ).xy; + + } + + setUpdateMatrix( value ) { + + this.updateMatrix = value; + this.updateType = value ? NodeUpdateType.FRAME : NodeUpdateType.NONE; + + return this; + + } + + setupUV( builder, uvNode ) { + + const texture = this.value; + + if ( builder.isFlipY() && ( texture.isRenderTargetTexture === true || texture.isFramebufferTexture === true || texture.isDepthTexture === true ) ) { + + uvNode = uvNode.setY( uvNode.y.oneMinus() ); + + } + + return uvNode; + + } + + setup( builder ) { + + const properties = builder.getNodeProperties( this ); + + // + + let uvNode = this.uvNode; + + if ( ( uvNode === null || builder.context.forceUVContext === true ) && builder.context.getUV ) { + + uvNode = builder.context.getUV( this ); + + } + + if ( ! uvNode ) uvNode = this.getDefaultUV(); + + if ( this.updateMatrix === true ) { + + uvNode = this.getTransformedUV( uvNode ); + + } + + uvNode = this.setupUV( builder, uvNode ); + + // + + let levelNode = this.levelNode; + + if ( levelNode === null && builder.context.getTextureLevel ) { + + levelNode = builder.context.getTextureLevel( this ); + + } + + // + + properties.uvNode = uvNode; + properties.levelNode = levelNode; + properties.compareNode = this.compareNode; + properties.gradNode = this.gradNode; + properties.depthNode = this.depthNode; + + } + + generateUV( builder, uvNode ) { + + return uvNode.build( builder, this.sampler === true ? 'vec2' : 'ivec2' ); + + } + + generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, depthSnippet, compareSnippet, gradSnippet ) { + + const texture = this.value; + + let snippet; + + if ( levelSnippet ) { + + snippet = builder.generateTextureLevel( texture, textureProperty, uvSnippet, levelSnippet, depthSnippet ); + + } else if ( gradSnippet ) { + + snippet = builder.generateTextureGrad( texture, textureProperty, uvSnippet, gradSnippet, depthSnippet ); + + } else if ( compareSnippet ) { + + snippet = builder.generateTextureCompare( texture, textureProperty, uvSnippet, compareSnippet, depthSnippet ); + + } else if ( this.sampler === false ) { + + snippet = builder.generateTextureLoad( texture, textureProperty, uvSnippet, depthSnippet ); + + } else { + + snippet = builder.generateTexture( texture, textureProperty, uvSnippet, depthSnippet ); + + } + + return snippet; + + } + + generate( builder, output ) { + + const properties = builder.getNodeProperties( this ); + + const texture = this.value; + + if ( ! texture || texture.isTexture !== true ) { + + throw new Error( 'TextureNode: Need a three.js texture.' ); + + } + + const textureProperty = super.generate( builder, 'property' ); + + if ( output === 'sampler' ) { + + return textureProperty + '_sampler'; + + } else if ( builder.isReference( output ) ) { + + return textureProperty; + + } else { + + const nodeData = builder.getDataFromNode( this ); + + let propertyName = nodeData.propertyName; + + if ( propertyName === undefined ) { + + const { uvNode, levelNode, compareNode, depthNode, gradNode } = properties; + + const uvSnippet = this.generateUV( builder, uvNode ); + const levelSnippet = levelNode ? levelNode.build( builder, 'float' ) : null; + const depthSnippet = depthNode ? depthNode.build( builder, 'int' ) : null; + const compareSnippet = compareNode ? compareNode.build( builder, 'float' ) : null; + const gradSnippet = gradNode ? [ gradNode[ 0 ].build( builder, 'vec2' ), gradNode[ 1 ].build( builder, 'vec2' ) ] : null; + + const nodeVar = builder.getVarFromNode( this ); + + propertyName = builder.getPropertyName( nodeVar ); + + const snippet = this.generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, depthSnippet, compareSnippet, gradSnippet ); + + builder.addLineFlowCode( `${propertyName} = ${snippet}` ); + + nodeData.snippet = snippet; + nodeData.propertyName = propertyName; + + } + + let snippet = propertyName; + const nodeType = this.getNodeType( builder ); + + if ( builder.needsColorSpaceToLinear( texture ) ) { + + snippet = colorSpaceToLinear( expression( snippet, nodeType ), texture.colorSpace ).setup( builder ).build( builder, nodeType ); + + } + + return builder.format( snippet, nodeType, output ); + + } + + } + + setSampler( value ) { + + this.sampler = value; + + return this; + + } + + getSampler() { + + return this.sampler; + + } + + // @TODO: Move to TSL + + uv( uvNode ) { + + const textureNode = this.clone(); + textureNode.uvNode = uvNode; + textureNode.referenceNode = this; + + return nodeObject( textureNode ); + + } + + blur( levelNode ) { + + const textureNode = this.clone(); + textureNode.levelNode = levelNode.mul( maxMipLevel( textureNode ) ); + textureNode.referenceNode = this; + + return nodeObject( textureNode ); + + } + + level( levelNode ) { + + const textureNode = this.clone(); + textureNode.levelNode = levelNode; + textureNode.referenceNode = this; + + return textureNode; + + } + + size( levelNode ) { + + return textureSize( this, levelNode ); + + } + + compare( compareNode ) { + + const textureNode = this.clone(); + textureNode.compareNode = nodeObject( compareNode ); + textureNode.referenceNode = this; + + return nodeObject( textureNode ); + + } + + grad( gradNodeX, gradNodeY ) { + + const textureNode = this.clone(); + textureNode.gradNode = [ nodeObject( gradNodeX ), nodeObject( gradNodeY ) ]; + + textureNode.referenceNode = this; + + return nodeObject( textureNode ); + + } + + depth( depthNode ) { + + const textureNode = this.clone(); + textureNode.depthNode = nodeObject( depthNode ); + textureNode.referenceNode = this; + + return nodeObject( textureNode ); + + } + + // -- + + serialize( data ) { + + super.serialize( data ); + + data.value = this.value.toJSON( data.meta ).uuid; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.value = data.meta.textures[ data.value ]; + + } + + update() { + + const texture = this.value; + + if ( texture.matrixAutoUpdate === true ) { + + texture.updateMatrix(); + + } + + } + + clone() { + + const newNode = new this.constructor( this.value, this.uvNode, this.levelNode ); + newNode.sampler = this.sampler; + + return newNode; + + } + +} + +const texture = nodeProxy( TextureNode ); +const textureLoad = ( ...params ) => texture( ...params ).setSampler( false ); + +//export const textureLevel = ( value, uv, level ) => texture( value, uv ).level( level ); + +const sampler = ( aTexture ) => ( aTexture.isNode === true ? aTexture : texture( aTexture ) ).convert( 'sampler' ); + +addNodeElement( 'texture', texture ); +//addNodeElement( 'textureLevel', textureLevel ); + +addNodeClass( 'TextureNode', TextureNode ); + +class BufferNode extends UniformNode { + + constructor( value, bufferType, bufferCount = 0 ) { + + super( value, bufferType ); + + this.isBufferNode = true; + + this.bufferType = bufferType; + this.bufferCount = bufferCount; + + } + + getElementType( builder ) { + + return this.getNodeType( builder ); + + } + + getInputType( /*builder*/ ) { + + return 'buffer'; + + } + +} + +const buffer = ( value, type, count ) => nodeObject( new BufferNode( value, type, count ) ); + +addNodeClass( 'BufferNode', BufferNode ); + +class UniformsElementNode extends ArrayElementNode { + + constructor( arrayBuffer, indexNode ) { + + super( arrayBuffer, indexNode ); + + this.isArrayBufferElementNode = true; + + } + + getNodeType( builder ) { + + return this.node.getElementType( builder ); + + } + + generate( builder ) { + + const snippet = super.generate( builder ); + const type = this.getNodeType(); + + return builder.format( snippet, 'vec4', type ); + + } + +} + +class UniformsNode extends BufferNode { + + constructor( value, elementType = null ) { + + super( null, 'vec4' ); + + this.array = value; + this.elementType = elementType; + + this._elementType = null; + this._elementLength = 0; + + this.updateType = NodeUpdateType.RENDER; + + this.isArrayBufferNode = true; + + } + + getElementType() { + + return this.elementType || this._elementType; + + } + + getElementLength() { + + return this._elementLength; + + } + + update( /*frame*/ ) { + + const { array, value } = this; + + const elementLength = this.getElementLength(); + const elementType = this.getElementType(); + + if ( elementLength === 1 ) { + + for ( let i = 0; i < array.length; i ++ ) { + + const index = i * 4; + + value[ index ] = array[ i ]; + + } + + } else if ( elementType === 'color' ) { + + for ( let i = 0; i < array.length; i ++ ) { + + const index = i * 4; + const vector = array[ i ]; + + value[ index ] = vector.r; + value[ index + 1 ] = vector.g; + value[ index + 2 ] = vector.b || 0; + //value[ index + 3 ] = vector.a || 0; + + } + + } else { + + for ( let i = 0; i < array.length; i ++ ) { + + const index = i * 4; + const vector = array[ i ]; + + value[ index ] = vector.x; + value[ index + 1 ] = vector.y; + value[ index + 2 ] = vector.z || 0; + value[ index + 3 ] = vector.w || 0; + + } + + } + + } + + setup( builder ) { + + const length = this.array.length; + + this._elementType = this.elementType === null ? getValueType( this.array[ 0 ] ) : this.elementType; + this._elementLength = builder.getTypeLength( this._elementType ); + + let arrayType = Float32Array; + + if ( this._elementType.charAt( 0 ) === 'i' ) arrayType = Int32Array; + else if ( this._elementType.charAt( 0 ) === 'u' ) arrayType = Uint32Array; + + this.value = new arrayType( length * 4 ); + this.bufferCount = length; + this.bufferType = builder.changeComponentType( 'vec4', builder.getComponentType( this._elementType ) ); + + return super.setup( builder ); + + } + + element( indexNode ) { + + return nodeObject( new UniformsElementNode( this, nodeObject( indexNode ) ) ); + + } + +} + +const uniforms = ( values, nodeType ) => nodeObject( new UniformsNode( values, nodeType ) ); + +addNodeClass( 'UniformsNode', UniformsNode ); + +class ReferenceElementNode extends ArrayElementNode { + + constructor( referenceNode, indexNode ) { + + super( referenceNode, indexNode ); + + this.referenceNode = referenceNode; + + this.isReferenceElementNode = true; + + } + + getNodeType() { + + return this.referenceNode.uniformType; + + } + + generate( builder ) { + + const snippet = super.generate( builder ); + const arrayType = this.referenceNode.getNodeType(); + const elementType = this.getNodeType(); + + return builder.format( snippet, arrayType, elementType ); + + } + +} + +class ReferenceNode extends Node { + + constructor( property, uniformType, object = null, count = null ) { + + super(); + + this.property = property; + this.uniformType = uniformType; + this.object = object; + this.count = count; + + this.properties = property.split( '.' ); + this.reference = null; + this.node = null; + + this.updateType = NodeUpdateType.OBJECT; + + } + + element( indexNode ) { + + return nodeObject( new ReferenceElementNode( this, nodeObject( indexNode ) ) ); + + } + + setNodeType( uniformType ) { + + let node = null; + + if ( this.count !== null ) { + + node = buffer( null, uniformType, this.count ); + + } else if ( Array.isArray( this.getValueFromReference() ) ) { + + node = uniforms( null, uniformType ); + + } else if ( uniformType === 'texture' ) { + + node = texture( null ); + + } else { + + node = uniform( null, uniformType ); + + } + + this.node = node; + + } + + getNodeType( builder ) { + + if ( this.node === null ) { + + this.updateValue(); + + } + + return this.node.getNodeType( builder ); + + } + + getValueFromReference( object = this.reference ) { + + const { properties } = this; + + let value = object[ properties[ 0 ] ]; + + for ( let i = 1; i < properties.length; i ++ ) { + + value = value[ properties[ i ] ]; + + } + + return value; + + } + + updateReference( state ) { + + this.reference = this.object !== null ? this.object : state.object; + + return this.reference; + + } + + setup() { + + this.updateValue(); + + return this.node; + + } + + update( /*frame*/ ) { + + this.updateValue(); + + } + + updateValue() { + + if ( this.node === null ) this.setNodeType( this.uniformType ); + + const value = this.getValueFromReference(); + + if ( Array.isArray( value ) ) { + + this.node.array = value; + + } else { + + this.node.value = value; + + } + + } + +} + +const reference = ( name, type, object ) => nodeObject( new ReferenceNode( name, type, object ) ); +const referenceBuffer = ( name, type, count, object ) => nodeObject( new ReferenceNode( name, type, object, count ) ); + +addNodeClass( 'ReferenceNode', ReferenceNode ); + +class MaterialReferenceNode extends ReferenceNode { + + constructor( property, inputType, material = null ) { + + super( property, inputType, material ); + + this.material = material; + + //this.updateType = NodeUpdateType.RENDER; + + } + + /*setNodeType( node ) { + + super.setNodeType( node ); + + this.node.groupNode = renderGroup; + + }*/ + + updateReference( state ) { + + this.reference = this.material !== null ? this.material : state.material; + + return this.reference; + + } + +} + +const materialReference = ( name, type, material ) => nodeObject( new MaterialReferenceNode( name, type, material ) ); + +addNodeClass( 'MaterialReferenceNode', MaterialReferenceNode ); + +const cameraGroup = /*#__PURE__*/ sharedUniformGroup( 'camera' ).onRenderUpdate( () => { + + cameraGroup.needsUpdate = true; + +} ); + +const cameraNear = /*#__PURE__*/ uniform( 'float' ).label( 'cameraNear' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.near ); +const cameraFar = /*#__PURE__*/ uniform( 'float' ).label( 'cameraFar' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.far ); +const cameraLogDepth = /*#__PURE__*/ uniform( 'float' ).label( 'cameraLogDepth' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); +const cameraProjectionMatrix = /*#__PURE__*/ uniform( 'mat4' ).label( 'cameraProjectionMatrix' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.projectionMatrix ); +const cameraProjectionMatrixInverse = /*#__PURE__*/ uniform( 'mat4' ).label( 'cameraProjectionMatrixInverse' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.projectionMatrixInverse ); +const cameraViewMatrix = /*#__PURE__*/ uniform( 'mat4' ).label( 'cameraViewMatrix' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.matrixWorldInverse ); +const cameraWorldMatrix = /*#__PURE__*/ uniform( 'mat4' ).label( 'cameraWorldMatrix' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.matrixWorld ); +const cameraNormalMatrix = /*#__PURE__*/ uniform( 'mat3' ).label( 'cameraNormalMatrix' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera } ) => camera.normalMatrix ); +const cameraPosition = /*#__PURE__*/ uniform( new Vector3() ).label( 'cameraPosition' ).setGroup( cameraGroup ).onRenderUpdate( ( { camera }, self ) => self.value.setFromMatrixPosition( camera.matrixWorld ) ); + +class Object3DNode extends Node { + + constructor( scope = Object3DNode.VIEW_MATRIX, object3d = null ) { + + super(); + + this.scope = scope; + this.object3d = object3d; + + this.updateType = NodeUpdateType.OBJECT; + + this._uniformNode = new UniformNode( null ); + + } + + getNodeType() { + + const scope = this.scope; + + if ( scope === Object3DNode.WORLD_MATRIX || scope === Object3DNode.VIEW_MATRIX ) { + + return 'mat4'; + + } else if ( scope === Object3DNode.NORMAL_MATRIX ) { + + return 'mat3'; + + } else if ( scope === Object3DNode.POSITION || scope === Object3DNode.VIEW_POSITION || scope === Object3DNode.DIRECTION || scope === Object3DNode.SCALE ) { + + return 'vec3'; + + } + + } + + update( frame ) { + + const object = this.object3d; + const uniformNode = this._uniformNode; + const scope = this.scope; + + if ( scope === Object3DNode.VIEW_MATRIX ) { + + uniformNode.value = object.modelViewMatrix; + + } else if ( scope === Object3DNode.NORMAL_MATRIX ) { + + uniformNode.value = object.normalMatrix; + + } else if ( scope === Object3DNode.WORLD_MATRIX ) { + + uniformNode.value = object.matrixWorld; + + } else if ( scope === Object3DNode.POSITION ) { + + uniformNode.value = uniformNode.value || new Vector3(); + + uniformNode.value.setFromMatrixPosition( object.matrixWorld ); + + } else if ( scope === Object3DNode.SCALE ) { + + uniformNode.value = uniformNode.value || new Vector3(); + + uniformNode.value.setFromMatrixScale( object.matrixWorld ); + + } else if ( scope === Object3DNode.DIRECTION ) { + + uniformNode.value = uniformNode.value || new Vector3(); + + object.getWorldDirection( uniformNode.value ); + + } else if ( scope === Object3DNode.VIEW_POSITION ) { + + const camera = frame.camera; + + uniformNode.value = uniformNode.value || new Vector3(); + uniformNode.value.setFromMatrixPosition( object.matrixWorld ); + + uniformNode.value.applyMatrix4( camera.matrixWorldInverse ); + + } + + } + + generate( builder ) { + + const scope = this.scope; + + if ( scope === Object3DNode.WORLD_MATRIX || scope === Object3DNode.VIEW_MATRIX ) { + + this._uniformNode.nodeType = 'mat4'; + + } else if ( scope === Object3DNode.NORMAL_MATRIX ) { + + this._uniformNode.nodeType = 'mat3'; + + } else if ( scope === Object3DNode.POSITION || scope === Object3DNode.VIEW_POSITION || scope === Object3DNode.DIRECTION || scope === Object3DNode.SCALE ) { + + this._uniformNode.nodeType = 'vec3'; + + } + + return this._uniformNode.build( builder ); + + } + + serialize( data ) { + + super.serialize( data ); + + data.scope = this.scope; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.scope = data.scope; + + } + +} + +Object3DNode.VIEW_MATRIX = 'viewMatrix'; +Object3DNode.NORMAL_MATRIX = 'normalMatrix'; +Object3DNode.WORLD_MATRIX = 'worldMatrix'; +Object3DNode.POSITION = 'position'; +Object3DNode.SCALE = 'scale'; +Object3DNode.VIEW_POSITION = 'viewPosition'; +Object3DNode.DIRECTION = 'direction'; + +const objectDirection = nodeProxy( Object3DNode, Object3DNode.DIRECTION ); +const objectViewMatrix = nodeProxy( Object3DNode, Object3DNode.VIEW_MATRIX ); +const objectNormalMatrix = nodeProxy( Object3DNode, Object3DNode.NORMAL_MATRIX ); +const objectWorldMatrix = nodeProxy( Object3DNode, Object3DNode.WORLD_MATRIX ); +const objectPosition = nodeProxy( Object3DNode, Object3DNode.POSITION ); +const objectScale = nodeProxy( Object3DNode, Object3DNode.SCALE ); +const objectViewPosition = nodeProxy( Object3DNode, Object3DNode.VIEW_POSITION ); + +addNodeClass( 'Object3DNode', Object3DNode ); + +class ModelNode extends Object3DNode { + + constructor( scope = ModelNode.VIEW_MATRIX ) { + + super( scope ); + + } + + update( frame ) { + + this.object3d = frame.object; + + super.update( frame ); + + } + +} + +const modelDirection = nodeImmutable( ModelNode, ModelNode.DIRECTION ); +const modelViewMatrix = nodeImmutable( ModelNode, ModelNode.VIEW_MATRIX ).label( 'modelViewMatrix' ).temp( 'ModelViewMatrix' ); +const modelNormalMatrix = nodeImmutable( ModelNode, ModelNode.NORMAL_MATRIX ); +const modelWorldMatrix = nodeImmutable( ModelNode, ModelNode.WORLD_MATRIX ); +const modelPosition = nodeImmutable( ModelNode, ModelNode.POSITION ); +const modelScale = nodeImmutable( ModelNode, ModelNode.SCALE ); +const modelViewPosition = nodeImmutable( ModelNode, ModelNode.VIEW_POSITION ); +const modelWorldMatrixInverse = uniform( new Matrix4() ).onObjectUpdate( ( { object }, self ) => self.value.copy( object.matrixWorld ).invert() ); + +addNodeClass( 'ModelNode', ModelNode ); + +const normalGeometry = /*#__PURE__*/ attribute( 'normal', 'vec3', vec3( 0, 1, 0 ) ); +const normalLocal = /*#__PURE__*/ normalGeometry.toVar( 'normalLocal' ); +const normalView = /*#__PURE__*/ varying( modelNormalMatrix.mul( normalLocal ), 'v_normalView' ).normalize().toVar( 'normalView' ); +const normalWorld = /*#__PURE__*/ varying( normalView.transformDirection( cameraViewMatrix ), 'v_normalWorld' ).normalize().toVar( 'transformedNormalWorld' ); +const transformedNormalView = /*#__PURE__*/ property( 'vec3', 'transformedNormalView' ); +const transformedNormalWorld = /*#__PURE__*/ transformedNormalView.transformDirection( cameraViewMatrix ).normalize().toVar( 'transformedNormalWorld' ); +const transformedClearcoatNormalView = /*#__PURE__*/ property( 'vec3', 'transformedClearcoatNormalView' ); + +const _propertyCache = new Map(); + +class MaterialNode extends Node { + + constructor( scope ) { + + super(); + + this.scope = scope; + + } + + getCache( property, type ) { + + let node = _propertyCache.get( property ); + + if ( node === undefined ) { + + node = materialReference( property, type ); + + _propertyCache.set( property, node ); + + } + + return node; + + } + + getFloat( property ) { + + return this.getCache( property, 'float' ); + + } + + getColor( property ) { + + return this.getCache( property, 'color' ); + + } + + getTexture( property ) { + + return this.getCache( property === 'map' ? 'map' : property + 'Map', 'texture' ); + + } + + setup( builder ) { + + const material = builder.context.material; + const scope = this.scope; + + let node = null; + + if ( scope === MaterialNode.COLOR ) { + + const colorNode = this.getColor( scope ); + + if ( material.map && material.map.isTexture === true ) { + + node = colorNode.mul( this.getTexture( 'map' ) ); + + } else { + + node = colorNode; + + } + + } else if ( scope === MaterialNode.OPACITY ) { + + const opacityNode = this.getFloat( scope ); + + if ( material.alphaMap && material.alphaMap.isTexture === true ) { + + node = opacityNode.mul( this.getTexture( 'alpha' ) ); + + } else { + + node = opacityNode; + + } + + } else if ( scope === MaterialNode.SPECULAR_STRENGTH ) { + + if ( material.specularMap && material.specularMap.isTexture === true ) { + + node = this.getTexture( 'specular' ).r; + + } else { + + node = float( 1 ); + + } + + } else if ( scope === MaterialNode.SPECULAR_INTENSITY ) { + + const specularIntensity = this.getFloat( scope ); + + if ( material.specularMap ) { + + node = specularIntensity.mul( this.getTexture( scope ).a ); + + } else { + + node = specularIntensity; + + } + + } else if ( scope === MaterialNode.SPECULAR_COLOR ) { + + const specularColorNode = this.getColor( scope ); + + if ( material.specularColorMap && material.specularColorMap.isTexture === true ) { + + node = specularColorNode.mul( this.getTexture( scope ).rgb ); + + } else { + + node = specularColorNode; + + } + + } else if ( scope === MaterialNode.ROUGHNESS ) { // TODO: cleanup similar branches + + const roughnessNode = this.getFloat( scope ); + + if ( material.roughnessMap && material.roughnessMap.isTexture === true ) { + + node = roughnessNode.mul( this.getTexture( scope ).g ); + + } else { + + node = roughnessNode; + + } + + } else if ( scope === MaterialNode.METALNESS ) { + + const metalnessNode = this.getFloat( scope ); + + if ( material.metalnessMap && material.metalnessMap.isTexture === true ) { + + node = metalnessNode.mul( this.getTexture( scope ).b ); + + } else { + + node = metalnessNode; + + } + + } else if ( scope === MaterialNode.EMISSIVE ) { + + const emissiveNode = this.getColor( scope ); + + if ( material.emissiveMap && material.emissiveMap.isTexture === true ) { + + node = emissiveNode.mul( this.getTexture( scope ) ); + + } else { + + node = emissiveNode; + + } + + } else if ( scope === MaterialNode.NORMAL ) { + + if ( material.normalMap ) { + + node = this.getTexture( 'normal' ).normalMap( this.getCache( 'normalScale', 'vec2' ) ); + + } else if ( material.bumpMap ) { + + node = this.getTexture( 'bump' ).r.bumpMap( this.getFloat( 'bumpScale' ) ); + + } else { + + node = normalView; + + } + + } else if ( scope === MaterialNode.CLEARCOAT ) { + + const clearcoatNode = this.getFloat( scope ); + + if ( material.clearcoatMap && material.clearcoatMap.isTexture === true ) { + + node = clearcoatNode.mul( this.getTexture( scope ).r ); + + } else { + + node = clearcoatNode; + + } + + } else if ( scope === MaterialNode.CLEARCOAT_ROUGHNESS ) { + + const clearcoatRoughnessNode = this.getFloat( scope ); + + if ( material.clearcoatRoughnessMap && material.clearcoatRoughnessMap.isTexture === true ) { + + node = clearcoatRoughnessNode.mul( this.getTexture( scope ).r ); + + } else { + + node = clearcoatRoughnessNode; + + } + + } else if ( scope === MaterialNode.CLEARCOAT_NORMAL ) { + + if ( material.clearcoatNormalMap ) { + + node = this.getTexture( scope ).normalMap( this.getCache( scope + 'Scale', 'vec2' ) ); + + } else { + + node = normalView; + + } + + } else if ( scope === MaterialNode.SHEEN ) { + + const sheenNode = this.getColor( 'sheenColor' ).mul( this.getFloat( 'sheen' ) ); // Move this mul() to CPU + + if ( material.sheenColorMap && material.sheenColorMap.isTexture === true ) { + + node = sheenNode.mul( this.getTexture( 'sheenColor' ).rgb ); + + } else { + + node = sheenNode; + + } + + } else if ( scope === MaterialNode.SHEEN_ROUGHNESS ) { + + const sheenRoughnessNode = this.getFloat( scope ); + + if ( material.sheenRoughnessMap && material.sheenRoughnessMap.isTexture === true ) { + + node = sheenRoughnessNode.mul( this.getTexture( scope ).a ); + + } else { + + node = sheenRoughnessNode; + + } + + node = node.clamp( 0.07, 1.0 ); + + } else if ( scope === MaterialNode.ANISOTROPY ) { + + if ( material.anisotropyMap && material.anisotropyMap.isTexture === true ) { + + const anisotropyPolar = this.getTexture( scope ); + const anisotropyMat = mat2( materialAnisotropyVector.x, materialAnisotropyVector.y, materialAnisotropyVector.y.negate(), materialAnisotropyVector.x ); + + node = anisotropyMat.mul( anisotropyPolar.rg.mul( 2.0 ).sub( vec2( 1.0 ) ).normalize().mul( anisotropyPolar.b ) ); + + } else { + + node = materialAnisotropyVector; + + } + + } else if ( scope === MaterialNode.IRIDESCENCE_THICKNESS ) { + + const iridescenceThicknessMaximum = reference( '1', 'float', material.iridescenceThicknessRange ); + + if ( material.iridescenceThicknessMap ) { + + const iridescenceThicknessMinimum = reference( '0', 'float', material.iridescenceThicknessRange ); + + node = iridescenceThicknessMaximum.sub( iridescenceThicknessMinimum ).mul( this.getTexture( scope ).g ).add( iridescenceThicknessMinimum ); + + } else { + + node = iridescenceThicknessMaximum; + + } + + } else if ( scope === MaterialNode.TRANSMISSION ) { + + const transmissionNode = this.getFloat( scope ); + + if ( material.transmissionMap ) { + + node = transmissionNode.mul( this.getTexture( scope ).r ); + + } else { + + node = transmissionNode; + + } + + } else if ( scope === MaterialNode.THICKNESS ) { + + const thicknessNode = this.getFloat( scope ); + + if ( material.thicknessMap ) { + + node = thicknessNode.mul( this.getTexture( scope ).g ); + + } else { + + node = thicknessNode; + + } + + } else if ( scope === MaterialNode.IOR ) { + + node = this.getFloat( scope ); + + } else { + + const outputType = this.getNodeType( builder ); + + node = this.getCache( scope, outputType ); + + } + + return node; + + } + +} + +MaterialNode.ALPHA_TEST = 'alphaTest'; +MaterialNode.COLOR = 'color'; +MaterialNode.OPACITY = 'opacity'; +MaterialNode.SHININESS = 'shininess'; +MaterialNode.SPECULAR = 'specular'; +MaterialNode.SPECULAR_STRENGTH = 'specularStrength'; +MaterialNode.SPECULAR_INTENSITY = 'specularIntensity'; +MaterialNode.SPECULAR_COLOR = 'specularColor'; +MaterialNode.REFLECTIVITY = 'reflectivity'; +MaterialNode.ROUGHNESS = 'roughness'; +MaterialNode.METALNESS = 'metalness'; +MaterialNode.NORMAL = 'normal'; +MaterialNode.CLEARCOAT = 'clearcoat'; +MaterialNode.CLEARCOAT_ROUGHNESS = 'clearcoatRoughness'; +MaterialNode.CLEARCOAT_NORMAL = 'clearcoatNormal'; +MaterialNode.EMISSIVE = 'emissive'; +MaterialNode.ROTATION = 'rotation'; +MaterialNode.SHEEN = 'sheen'; +MaterialNode.SHEEN_ROUGHNESS = 'sheenRoughness'; +MaterialNode.ANISOTROPY = 'anisotropy'; +MaterialNode.IRIDESCENCE = 'iridescence'; +MaterialNode.IRIDESCENCE_IOR = 'iridescenceIOR'; +MaterialNode.IRIDESCENCE_THICKNESS = 'iridescenceThickness'; +MaterialNode.IOR = 'ior'; +MaterialNode.TRANSMISSION = 'transmission'; +MaterialNode.THICKNESS = 'thickness'; +MaterialNode.ATTENUATION_DISTANCE = 'attenuationDistance'; +MaterialNode.ATTENUATION_COLOR = 'attenuationColor'; +MaterialNode.LINE_SCALE = 'scale'; +MaterialNode.LINE_DASH_SIZE = 'dashSize'; +MaterialNode.LINE_GAP_SIZE = 'gapSize'; +MaterialNode.LINE_WIDTH = 'linewidth'; +MaterialNode.LINE_DASH_OFFSET = 'dashOffset'; +MaterialNode.POINT_WIDTH = 'pointWidth'; +MaterialNode.DISPERSION = 'dispersion'; + +const materialAlphaTest = nodeImmutable( MaterialNode, MaterialNode.ALPHA_TEST ); +const materialColor = nodeImmutable( MaterialNode, MaterialNode.COLOR ); +const materialShininess = nodeImmutable( MaterialNode, MaterialNode.SHININESS ); +const materialEmissive = nodeImmutable( MaterialNode, MaterialNode.EMISSIVE ); +const materialOpacity = nodeImmutable( MaterialNode, MaterialNode.OPACITY ); +const materialSpecular = nodeImmutable( MaterialNode, MaterialNode.SPECULAR ); + +const materialSpecularIntensity = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_INTENSITY ); +const materialSpecularColor = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_COLOR ); + +const materialSpecularStrength = nodeImmutable( MaterialNode, MaterialNode.SPECULAR_STRENGTH ); +const materialReflectivity = nodeImmutable( MaterialNode, MaterialNode.REFLECTIVITY ); +const materialRoughness = nodeImmutable( MaterialNode, MaterialNode.ROUGHNESS ); +const materialMetalness = nodeImmutable( MaterialNode, MaterialNode.METALNESS ); +const materialNormal = nodeImmutable( MaterialNode, MaterialNode.NORMAL ); +const materialClearcoat = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT ); +const materialClearcoatRoughness = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT_ROUGHNESS ); +const materialClearcoatNormal = nodeImmutable( MaterialNode, MaterialNode.CLEARCOAT_NORMAL ); +const materialRotation = nodeImmutable( MaterialNode, MaterialNode.ROTATION ); +const materialSheen = nodeImmutable( MaterialNode, MaterialNode.SHEEN ); +const materialSheenRoughness = nodeImmutable( MaterialNode, MaterialNode.SHEEN_ROUGHNESS ); +const materialAnisotropy = nodeImmutable( MaterialNode, MaterialNode.ANISOTROPY ); +const materialIridescence = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE ); +const materialIridescenceIOR = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE_IOR ); +const materialIridescenceThickness = nodeImmutable( MaterialNode, MaterialNode.IRIDESCENCE_THICKNESS ); +const materialTransmission = nodeImmutable( MaterialNode, MaterialNode.TRANSMISSION ); +const materialThickness = nodeImmutable( MaterialNode, MaterialNode.THICKNESS ); +const materialIOR = nodeImmutable( MaterialNode, MaterialNode.IOR ); +const materialAttenuationDistance = nodeImmutable( MaterialNode, MaterialNode.ATTENUATION_DISTANCE ); +const materialAttenuationColor = nodeImmutable( MaterialNode, MaterialNode.ATTENUATION_COLOR ); +const materialLineScale = nodeImmutable( MaterialNode, MaterialNode.LINE_SCALE ); +const materialLineDashSize = nodeImmutable( MaterialNode, MaterialNode.LINE_DASH_SIZE ); +const materialLineGapSize = nodeImmutable( MaterialNode, MaterialNode.LINE_GAP_SIZE ); +const materialLineWidth = nodeImmutable( MaterialNode, MaterialNode.LINE_WIDTH ); +const materialLineDashOffset = nodeImmutable( MaterialNode, MaterialNode.LINE_DASH_OFFSET ); +const materialPointWidth = nodeImmutable( MaterialNode, MaterialNode.POINT_WIDTH ); +const materialDispersion = nodeImmutable( MaterialNode, MaterialNode.DISPERSION ); +const materialAnisotropyVector = uniform( new Vector2() ).onReference( function ( frame ) { + + return frame.material; + +} ).onRenderUpdate( function ( { material } ) { + + this.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) ); + +} ); + +addNodeClass( 'MaterialNode', MaterialNode ); + +const positionGeometry = /*#__PURE__*/ attribute( 'position', 'vec3' ); +const positionLocal = /*#__PURE__*/ positionGeometry.toVar( 'positionLocal' ); +const positionWorld = /*#__PURE__*/ varying( modelWorldMatrix.mul( positionLocal ).xyz, 'v_positionWorld' ); +const positionWorldDirection = /*#__PURE__*/ varying( positionLocal.transformDirection( modelWorldMatrix ), 'v_positionWorldDirection' ).normalize().toVar( 'positionWorldDirection' ); +const positionView = /*#__PURE__*/ varying( modelViewMatrix.mul( positionLocal ).xyz, 'v_positionView' ); +const positionViewDirection = /*#__PURE__*/ varying( positionView.negate(), 'v_positionViewDirection' ).normalize().toVar( 'positionViewDirection' ); + +class ModelViewProjectionNode extends TempNode { + + constructor( positionNode = null ) { + + super( 'vec4' ); + + this.positionNode = positionNode; + + } + + setup( builder ) { + + if ( builder.shaderStage === 'fragment' ) { + + return varying( builder.context.mvp ); + + } + + const position = this.positionNode || positionLocal; + + return cameraProjectionMatrix.mul( modelViewMatrix ).mul( position ); + + } + +} + +const modelViewProjection = nodeProxy( ModelViewProjectionNode ); + +addNodeClass( 'ModelViewProjectionNode', ModelViewProjectionNode ); + +class BufferAttributeNode extends InputNode { + + constructor( value, bufferType = null, bufferStride = 0, bufferOffset = 0 ) { + + super( value, bufferType ); + + this.isBufferNode = true; + + this.bufferType = bufferType; + this.bufferStride = bufferStride; + this.bufferOffset = bufferOffset; + + this.usage = StaticDrawUsage; + this.instanced = false; + + this.attribute = null; + + this.global = true; + + if ( value && value.isBufferAttribute === true ) { + + this.attribute = value; + this.usage = value.usage; + this.instanced = value.isInstancedBufferAttribute; + + } + + } + + getHash( builder ) { + + if ( this.bufferStride === 0 && this.bufferOffset === 0 ) { + + let bufferData = builder.globalCache.getData( this.value ); + + if ( bufferData === undefined ) { + + bufferData = { + node: this + }; + + builder.globalCache.setData( this.value, bufferData ); + + } + + return bufferData.node.uuid; + + } + + return this.uuid; + + } + + getNodeType( builder ) { + + if ( this.bufferType === null ) { + + this.bufferType = builder.getTypeFromAttribute( this.attribute ); + + } + + return this.bufferType; + + } + + setup( builder ) { + + if ( this.attribute !== null ) return; + + const type = this.getNodeType( builder ); + const array = this.value; + const itemSize = builder.getTypeLength( type ); + const stride = this.bufferStride || itemSize; + const offset = this.bufferOffset; + + const buffer = array.isInterleavedBuffer === true ? array : new InterleavedBuffer( array, stride ); + const bufferAttribute = new InterleavedBufferAttribute( buffer, itemSize, offset ); + + buffer.setUsage( this.usage ); + + this.attribute = bufferAttribute; + this.attribute.isInstancedBufferAttribute = this.instanced; // @TODO: Add a possible: InstancedInterleavedBufferAttribute + + } + + generate( builder ) { + + const nodeType = this.getNodeType( builder ); + + const nodeAttribute = builder.getBufferAttributeFromNode( this, nodeType ); + const propertyName = builder.getPropertyName( nodeAttribute ); + + let output = null; + + if ( builder.shaderStage === 'vertex' || builder.shaderStage === 'compute' ) { + + this.name = propertyName; + + output = propertyName; + + } else { + + const nodeVarying = varying( this ); + + output = nodeVarying.build( builder, nodeType ); + + } + + return output; + + } + + getInputType( /*builder*/ ) { + + return 'bufferAttribute'; + + } + + setUsage( value ) { + + this.usage = value; + + if ( this.attribute && this.attribute.isBufferAttribute === true ) { + + this.attribute.usage = value; + + } + + return this; + + } + + setInstanced( value ) { + + this.instanced = value; + + return this; + + } + +} + +const bufferAttribute = ( array, type, stride, offset ) => nodeObject( new BufferAttributeNode( array, type, stride, offset ) ); +const dynamicBufferAttribute = ( array, type, stride, offset ) => bufferAttribute( array, type, stride, offset ).setUsage( DynamicDrawUsage ); + +const instancedBufferAttribute = ( array, type, stride, offset ) => bufferAttribute( array, type, stride, offset ).setInstanced( true ); +const instancedDynamicBufferAttribute = ( array, type, stride, offset ) => dynamicBufferAttribute( array, type, stride, offset ).setInstanced( true ); + +addNodeElement( 'toAttribute', ( bufferNode ) => bufferAttribute( bufferNode.value ) ); + +addNodeClass( 'BufferAttributeNode', BufferAttributeNode ); + +class InstanceNode extends Node { + + constructor( instanceMesh ) { + + super( 'void' ); + + this.instanceMesh = instanceMesh; + + this.instanceMatrixNode = null; + + this.instanceColorNode = null; + + this.updateType = NodeUpdateType.FRAME; + + this.buffer = null; + this.bufferColor = null; + + } + + setup( /*builder*/ ) { + + let instanceMatrixNode = this.instanceMatrixNode; + + const instanceMesh = this.instanceMesh; + + if ( instanceMatrixNode === null ) { + + const instanceAttribute = instanceMesh.instanceMatrix; + const buffer = new InstancedInterleavedBuffer( instanceAttribute.array, 16, 1 ); + + this.buffer = buffer; + const bufferFn = instanceAttribute.usage === DynamicDrawUsage ? instancedDynamicBufferAttribute : instancedBufferAttribute; + + const instanceBuffers = [ + // F.Signature -> bufferAttribute( array, type, stride, offset ) + bufferFn( buffer, 'vec4', 16, 0 ), + bufferFn( buffer, 'vec4', 16, 4 ), + bufferFn( buffer, 'vec4', 16, 8 ), + bufferFn( buffer, 'vec4', 16, 12 ) + ]; + + instanceMatrixNode = mat4( ...instanceBuffers ); + + this.instanceMatrixNode = instanceMatrixNode; + + } + + const instanceColorAttribute = instanceMesh.instanceColor; + + if ( instanceColorAttribute && this.instanceColorNode === null ) { + + const buffer = new InstancedBufferAttribute( instanceColorAttribute.array, 3 ); + const bufferFn = instanceColorAttribute.usage === DynamicDrawUsage ? instancedDynamicBufferAttribute : instancedBufferAttribute; + + this.bufferColor = buffer; + this.instanceColorNode = vec3( bufferFn( buffer, 'vec3', 3, 0 ) ); + + } + + // POSITION + + const instancePosition = instanceMatrixNode.mul( positionLocal ).xyz; + + // NORMAL + + const m = mat3( instanceMatrixNode[ 0 ].xyz, instanceMatrixNode[ 1 ].xyz, instanceMatrixNode[ 2 ].xyz ); + + const transformedNormal = normalLocal.div( vec3( m[ 0 ].dot( m[ 0 ] ), m[ 1 ].dot( m[ 1 ] ), m[ 2 ].dot( m[ 2 ] ) ) ); + + const instanceNormal = m.mul( transformedNormal ).xyz; + + // ASSIGNS + + positionLocal.assign( instancePosition ); + normalLocal.assign( instanceNormal ); + + // COLOR + + if ( this.instanceColorNode !== null ) { + + varyingProperty( 'vec3', 'vInstanceColor' ).assign( this.instanceColorNode ); + + } + + } + + update( /*frame*/ ) { + + if ( this.instanceMesh.instanceMatrix.usage !== DynamicDrawUsage && this.instanceMesh.instanceMatrix.version !== this.buffer.version ) { + + this.buffer.version = this.instanceMesh.instanceMatrix.version; + + } + + if ( this.instanceMesh.instanceColor && this.instanceMesh.instanceColor.usage !== DynamicDrawUsage && this.instanceMesh.instanceColor.version !== this.bufferColor.version ) { + + this.bufferColor.version = this.instanceMesh.instanceColor.version; + + } + + } + +} + +const instance = nodeProxy( InstanceNode ); + +addNodeClass( 'InstanceNode', InstanceNode ); + +const tangentGeometry = /*#__PURE__*/ tslFn( ( stack, builder ) => { + + if ( builder.geometry.hasAttribute( 'tangent' ) === false ) { + + builder.geometry.computeTangents(); + + } + + return attribute( 'tangent', 'vec4' ); + +} )(); + +const tangentLocal = /*#__PURE__*/ tangentGeometry.xyz.toVar( 'tangentLocal' ); +const tangentView = /*#__PURE__*/ varying( modelViewMatrix.mul( vec4( tangentLocal, 0 ) ).xyz, 'v_tangentView' ).normalize().toVar( 'tangentView' ); +const tangentWorld = /*#__PURE__*/ varying( tangentView.transformDirection( cameraViewMatrix ), 'v_tangentWorld' ).normalize().toVar( 'tangentWorld' ); +const transformedTangentView = /*#__PURE__*/ tangentView.toVar( 'transformedTangentView' ); +const transformedTangentWorld = /*#__PURE__*/ transformedTangentView.transformDirection( cameraViewMatrix ).normalize().toVar( 'transformedTangentWorld' ); + +class BatchNode extends Node { + + constructor( batchMesh ) { + + super( 'void' ); + + this.batchMesh = batchMesh; + + + this.instanceColorNode = null; + + this.batchingIdNode = null; + + } + + setup( builder ) { + + // POSITION + + if ( this.batchingIdNode === null ) { + + if ( builder.getDrawIndex() === null ) { + + this.batchingIdNode = instanceIndex; + + } else { + + this.batchingIdNode = drawIndex; + + } + + } + + const getIndirectIndex = tslFn( ( [ id ] ) => { + + const size = textureSize( textureLoad( this.batchMesh._indirectTexture ), 0 ); + const x = int( id ).remainder( int( size ) ); + const y = int( id ).div( int( size ) ); + return textureLoad( this.batchMesh._indirectTexture, ivec2( x, y ), null, 'uvec4' ).x; + + } ).setLayout( { + name: 'getIndirectIndex', + type: 'uint', + inputs: [ + { name: 'id', type: 'int' } + ] + } ); + + const matriceTexture = this.batchMesh._matricesTexture; + + const size = textureSize( textureLoad( matriceTexture ), 0 ); + const j = float( getIndirectIndex( int( this.batchingIdNode ) ) ).mul( 4 ).toVar(); + + const x = int( j.mod( size ) ); + const y = int( j ).div( int( size ) ); + const batchingMatrix = mat4( + textureLoad( matriceTexture, ivec2( x, y ) ), + textureLoad( matriceTexture, ivec2( x.add( 1 ), y ) ), + textureLoad( matriceTexture, ivec2( x.add( 2 ), y ) ), + textureLoad( matriceTexture, ivec2( x.add( 3 ), y ) ) + ); + + const bm = mat3( + batchingMatrix[ 0 ].xyz, + batchingMatrix[ 1 ].xyz, + batchingMatrix[ 2 ].xyz + ); + + positionLocal.assign( batchingMatrix.mul( positionLocal ) ); + + const transformedNormal = normalLocal.div( vec3( bm[ 0 ].dot( bm[ 0 ] ), bm[ 1 ].dot( bm[ 1 ] ), bm[ 2 ].dot( bm[ 2 ] ) ) ); + + const batchingNormal = bm.mul( transformedNormal ).xyz; + + normalLocal.assign( batchingNormal ); + + if ( builder.hasGeometryAttribute( 'tangent' ) ) { + + tangentLocal.mulAssign( bm ); + + } + + } + +} + +const batch = nodeProxy( BatchNode ); + +addNodeClass( 'batch', BatchNode ); + +class SkinningNode extends Node { + + constructor( skinnedMesh, useReference = false ) { + + super( 'void' ); + + this.skinnedMesh = skinnedMesh; + this.useReference = useReference; + + this.updateType = NodeUpdateType.OBJECT; + + // + + this.skinIndexNode = attribute( 'skinIndex', 'uvec4' ); + this.skinWeightNode = attribute( 'skinWeight', 'vec4' ); + + let bindMatrixNode, bindMatrixInverseNode, boneMatricesNode; + + if ( useReference ) { + + bindMatrixNode = reference( 'bindMatrix', 'mat4' ); + bindMatrixInverseNode = reference( 'bindMatrixInverse', 'mat4' ); + boneMatricesNode = referenceBuffer( 'skeleton.boneMatrices', 'mat4', skinnedMesh.skeleton.bones.length ); + + } else { + + bindMatrixNode = uniform( skinnedMesh.bindMatrix, 'mat4' ); + bindMatrixInverseNode = uniform( skinnedMesh.bindMatrixInverse, 'mat4' ); + boneMatricesNode = buffer( skinnedMesh.skeleton.boneMatrices, 'mat4', skinnedMesh.skeleton.bones.length ); + + } + + this.bindMatrixNode = bindMatrixNode; + this.bindMatrixInverseNode = bindMatrixInverseNode; + this.boneMatricesNode = boneMatricesNode; + + } + + setup( builder ) { + + const { skinIndexNode, skinWeightNode, bindMatrixNode, bindMatrixInverseNode, boneMatricesNode } = this; + + const boneMatX = boneMatricesNode.element( skinIndexNode.x ); + const boneMatY = boneMatricesNode.element( skinIndexNode.y ); + const boneMatZ = boneMatricesNode.element( skinIndexNode.z ); + const boneMatW = boneMatricesNode.element( skinIndexNode.w ); + + // POSITION + + const skinVertex = bindMatrixNode.mul( positionLocal ); + + const skinned = add( + boneMatX.mul( skinWeightNode.x ).mul( skinVertex ), + boneMatY.mul( skinWeightNode.y ).mul( skinVertex ), + boneMatZ.mul( skinWeightNode.z ).mul( skinVertex ), + boneMatW.mul( skinWeightNode.w ).mul( skinVertex ) + ); + + const skinPosition = bindMatrixInverseNode.mul( skinned ).xyz; + + // NORMAL + + let skinMatrix = add( + skinWeightNode.x.mul( boneMatX ), + skinWeightNode.y.mul( boneMatY ), + skinWeightNode.z.mul( boneMatZ ), + skinWeightNode.w.mul( boneMatW ) + ); + + skinMatrix = bindMatrixInverseNode.mul( skinMatrix ).mul( bindMatrixNode ); + + const skinNormal = skinMatrix.transformDirection( normalLocal ).xyz; + + // ASSIGNS + + positionLocal.assign( skinPosition ); + normalLocal.assign( skinNormal ); + + if ( builder.hasGeometryAttribute( 'tangent' ) ) { + + tangentLocal.assign( skinNormal ); + + } + + } + + generate( builder, output ) { + + if ( output !== 'void' ) { + + return positionLocal.build( builder, output ); + + } + + } + + update( frame ) { + + const object = this.useReference ? frame.object : this.skinnedMesh; + + object.skeleton.update(); + + } + +} + +const skinning = ( skinnedMesh ) => nodeObject( new SkinningNode( skinnedMesh ) ); +const skinningReference = ( skinnedMesh ) => nodeObject( new SkinningNode( skinnedMesh, true ) ); + +addNodeClass( 'SkinningNode', SkinningNode ); + +class LoopNode extends Node { + + constructor( params = [] ) { + + super(); + + this.params = params; + + } + + getVarName( index ) { + + return String.fromCharCode( 'i'.charCodeAt() + index ); + + } + + getProperties( builder ) { + + const properties = builder.getNodeProperties( this ); + + if ( properties.stackNode !== undefined ) return properties; + + // + + const inputs = {}; + + for ( let i = 0, l = this.params.length - 1; i < l; i ++ ) { + + const param = this.params[ i ]; + + const name = ( param.isNode !== true && param.name ) || this.getVarName( i ); + const type = ( param.isNode !== true && param.type ) || 'int'; + + inputs[ name ] = expression( name, type ); + + } + + const stack = builder.addStack(); // TODO: cache() it + + properties.returnsNode = this.params[ this.params.length - 1 ]( inputs, stack, builder ); + properties.stackNode = stack; + + builder.removeStack(); + + return properties; + + } + + getNodeType( builder ) { + + const { returnsNode } = this.getProperties( builder ); + + return returnsNode ? returnsNode.getNodeType( builder ) : 'void'; + + } + + setup( builder ) { + + // setup properties + + this.getProperties( builder ); + + } + + generate( builder ) { + + const properties = this.getProperties( builder ); + + const params = this.params; + const stackNode = properties.stackNode; + + for ( let i = 0, l = params.length - 1; i < l; i ++ ) { + + const param = params[ i ]; + + let start = null, end = null, name = null, type = null, condition = null, update = null; + + if ( param.isNode ) { + + type = 'int'; + name = this.getVarName( i ); + start = '0'; + end = param.build( builder, type ); + condition = '<'; + + } else { + + type = param.type || 'int'; + name = param.name || this.getVarName( i ); + start = param.start; + end = param.end; + condition = param.condition; + update = param.update; + + if ( typeof start === 'number' ) start = start.toString(); + else if ( start && start.isNode ) start = start.build( builder, type ); + + if ( typeof end === 'number' ) end = end.toString(); + else if ( end && end.isNode ) end = end.build( builder, type ); + + if ( start !== undefined && end === undefined ) { + + start = start + ' - 1'; + end = '0'; + condition = '>='; + + } else if ( end !== undefined && start === undefined ) { + + start = '0'; + condition = '<'; + + } + + if ( condition === undefined ) { + + if ( Number( start ) > Number( end ) ) { + + condition = '>='; + + } else { + + condition = '<'; + + } + + } + + } + + const internalParam = { start, end, condition }; + + // + + const startSnippet = internalParam.start; + const endSnippet = internalParam.end; + + let declarationSnippet = ''; + let conditionalSnippet = ''; + let updateSnippet = ''; + + if ( ! update ) { + + if ( type === 'int' || type === 'uint' ) { + + if ( condition.includes( '<' ) ) update = '++'; + else update = '--'; + + } else { + + if ( condition.includes( '<' ) ) update = '+= 1.'; + else update = '-= 1.'; + + } + + } + + declarationSnippet += builder.getVar( type, name ) + ' = ' + startSnippet; + + conditionalSnippet += name + ' ' + condition + ' ' + endSnippet; + updateSnippet += name + ' ' + update; + + const forSnippet = `for ( ${ declarationSnippet }; ${ conditionalSnippet }; ${ updateSnippet } )`; + + builder.addFlowCode( ( i === 0 ? '\n' : '' ) + builder.tab + forSnippet + ' {\n\n' ).addFlowTab(); + + } + + const stackSnippet = stackNode.build( builder, 'void' ); + + const returnsSnippet = properties.returnsNode ? properties.returnsNode.build( builder ) : ''; + + builder.removeFlowTab().addFlowCode( '\n' + builder.tab + stackSnippet ); + + for ( let i = 0, l = this.params.length - 1; i < l; i ++ ) { + + builder.addFlowCode( ( i === 0 ? '' : builder.tab ) + '}\n\n' ).removeFlowTab(); + + } + + builder.addFlowTab(); + + return returnsSnippet; + + } + +} + +const loop = ( ...params ) => nodeObject( new LoopNode( nodeArray( params, 'int' ) ) ).append(); +const Continue = () => expression( 'continue' ).append(); +const Break = () => expression( 'break' ).append(); + +addNodeElement( 'loop', ( returns, ...params ) => bypass( returns, loop( ...params ) ) ); + +addNodeClass( 'LoopNode', LoopNode ); + +const morphTextures = new WeakMap(); +const morphVec4 = new Vector4(); + +const getMorph = tslFn( ( { bufferMap, influence, stride, width, depth, offset } ) => { + + const texelIndex = int( vertexIndex ).mul( stride ).add( offset ); + + const y = texelIndex.div( width ); + const x = texelIndex.sub( y.mul( width ) ); + + const bufferAttrib = textureLoad( bufferMap, ivec2( x, y ) ).depth( depth ); + + return bufferAttrib.mul( influence ); + +} ); + +function getEntry( geometry ) { + + const hasMorphPosition = geometry.morphAttributes.position !== undefined; + const hasMorphNormals = geometry.morphAttributes.normal !== undefined; + const hasMorphColors = geometry.morphAttributes.color !== undefined; + + // instead of using attributes, the WebGL 2 code path encodes morph targets + // into an array of data textures. Each layer represents a single morph target. + + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + + let entry = morphTextures.get( geometry ); + + if ( entry === undefined || entry.count !== morphTargetsCount ) { + + if ( entry !== undefined ) entry.texture.dispose(); + + const morphTargets = geometry.morphAttributes.position || []; + const morphNormals = geometry.morphAttributes.normal || []; + const morphColors = geometry.morphAttributes.color || []; + + let vertexDataCount = 0; + + if ( hasMorphPosition === true ) vertexDataCount = 1; + if ( hasMorphNormals === true ) vertexDataCount = 2; + if ( hasMorphColors === true ) vertexDataCount = 3; + + let width = geometry.attributes.position.count * vertexDataCount; + let height = 1; + + const maxTextureSize = 4096; // @TODO: Use 'capabilities.maxTextureSize' + + if ( width > maxTextureSize ) { + + height = Math.ceil( width / maxTextureSize ); + width = maxTextureSize; + + } + + const buffer = new Float32Array( width * height * 4 * morphTargetsCount ); + + const bufferTexture = new DataArrayTexture( buffer, width, height, morphTargetsCount ); + bufferTexture.type = FloatType; + bufferTexture.needsUpdate = true; + + // fill buffer + + const vertexDataStride = vertexDataCount * 4; + + for ( let i = 0; i < morphTargetsCount; i ++ ) { + + const morphTarget = morphTargets[ i ]; + const morphNormal = morphNormals[ i ]; + const morphColor = morphColors[ i ]; + + const offset = width * height * 4 * i; + + for ( let j = 0; j < morphTarget.count; j ++ ) { + + const stride = j * vertexDataStride; + + if ( hasMorphPosition === true ) { + + morphVec4.fromBufferAttribute( morphTarget, j ); + + buffer[ offset + stride + 0 ] = morphVec4.x; + buffer[ offset + stride + 1 ] = morphVec4.y; + buffer[ offset + stride + 2 ] = morphVec4.z; + buffer[ offset + stride + 3 ] = 0; + + } + + if ( hasMorphNormals === true ) { + + morphVec4.fromBufferAttribute( morphNormal, j ); + + buffer[ offset + stride + 4 ] = morphVec4.x; + buffer[ offset + stride + 5 ] = morphVec4.y; + buffer[ offset + stride + 6 ] = morphVec4.z; + buffer[ offset + stride + 7 ] = 0; + + } + + if ( hasMorphColors === true ) { + + morphVec4.fromBufferAttribute( morphColor, j ); + + buffer[ offset + stride + 8 ] = morphVec4.x; + buffer[ offset + stride + 9 ] = morphVec4.y; + buffer[ offset + stride + 10 ] = morphVec4.z; + buffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morphVec4.w : 1; + + } + + } + + } + + entry = { + count: morphTargetsCount, + texture: bufferTexture, + stride: vertexDataCount, + size: new Vector2( width, height ) + }; + + morphTextures.set( geometry, entry ); + + function disposeTexture() { + + bufferTexture.dispose(); + + morphTextures.delete( geometry ); + + geometry.removeEventListener( 'dispose', disposeTexture ); + + } + + geometry.addEventListener( 'dispose', disposeTexture ); + + } + + return entry; + +} + + +class MorphNode extends Node { + + constructor( mesh ) { + + super( 'void' ); + + this.mesh = mesh; + this.morphBaseInfluence = uniform( 1 ); + + this.updateType = NodeUpdateType.OBJECT; + + } + + setup( builder ) { + + const { geometry } = builder; + + const hasMorphPosition = geometry.morphAttributes.position !== undefined; + const hasMorphNormals = geometry.morphAttributes.normal !== undefined; + + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + + // nodes + + const { texture: bufferMap, stride, size } = getEntry( geometry ); + + if ( hasMorphPosition === true ) positionLocal.mulAssign( this.morphBaseInfluence ); + if ( hasMorphNormals === true ) normalLocal.mulAssign( this.morphBaseInfluence ); + + const width = int( size.width ); + + loop( morphTargetsCount, ( { i } ) => { + + const influence = float( 0 ).toVar(); + + if ( this.mesh.count > 1 && ( this.mesh.morphTexture !== null && this.mesh.morphTexture !== undefined ) ) { + + influence.assign( textureLoad( this.mesh.morphTexture, ivec2( int( i ).add( 1 ), int( instanceIndex ) ) ).r ); + + } else { + + influence.assign( reference( 'morphTargetInfluences', 'float' ).element( i ).toVar() ); + + } + + if ( hasMorphPosition === true ) { + + positionLocal.addAssign( getMorph( { + bufferMap, + influence, + stride, + width, + depth: i, + offset: int( 0 ) + } ) ); + + } + + if ( hasMorphNormals === true ) { + + normalLocal.addAssign( getMorph( { + bufferMap, + influence, + stride, + width, + depth: i, + offset: int( 1 ) + } ) ); + + } + + } ); + + } + + update() { + + const morphBaseInfluence = this.morphBaseInfluence; + + if ( this.mesh.geometry.morphTargetsRelative ) { + + morphBaseInfluence.value = 1; + + } else { + + morphBaseInfluence.value = 1 - this.mesh.morphTargetInfluences.reduce( ( a, b ) => a + b, 0 ); + + } + + } + +} + +const morphReference = nodeProxy( MorphNode ); + +addNodeClass( 'MorphNode', MorphNode ); + +const reflectView = /*#__PURE__*/ positionViewDirection.negate().reflect( transformedNormalView ); +const reflectVector = /*#__PURE__*/ reflectView.transformDirection( cameraViewMatrix ).toVar( 'reflectVector' ); + +class CubeTextureNode extends TextureNode { + + constructor( value, uvNode = null, levelNode = null ) { + + super( value, uvNode, levelNode ); + + this.isCubeTextureNode = true; + + } + + getInputType( /*builder*/ ) { + + return 'cubeTexture'; + + } + + getDefaultUV() { + + return reflectVector; + + } + + setUpdateMatrix( /*updateMatrix*/ ) { } // Ignore .updateMatrix for CubeTextureNode + + setupUV( builder, uvNode ) { + + const texture = this.value; + + if ( builder.renderer.coordinateSystem === WebGPUCoordinateSystem || ! texture.isRenderTargetTexture ) { + + return vec3( uvNode.x.negate(), uvNode.yz ); + + } else { + + return uvNode; + + } + + } + + generateUV( builder, cubeUV ) { + + return cubeUV.build( builder, 'vec3' ); + + } + +} + +const cubeTexture = nodeProxy( CubeTextureNode ); + +addNodeElement( 'cubeTexture', cubeTexture ); + +addNodeClass( 'CubeTextureNode', CubeTextureNode ); + +class LightingNode extends Node { + + constructor() { + + super( 'vec3' ); + + } + + generate( /*builder*/ ) { + + console.warn( 'Abstract function.' ); + + } + +} + +addNodeClass( 'LightingNode', LightingNode ); + +let overrideMaterial = null; + +class AnalyticLightNode extends LightingNode { + + constructor( light = null ) { + + super(); + + this.updateType = NodeUpdateType.FRAME; + + this.light = light; + + this.rtt = null; + this.shadowNode = null; + this.shadowMaskNode = null; + + this.color = new Color(); + this._defaultColorNode = uniform( this.color ); + + this.colorNode = this._defaultColorNode; + + this.isAnalyticLightNode = true; + + } + + getCacheKey() { + + return super.getCacheKey() + '-' + ( this.light.id + '-' + ( this.light.castShadow ? '1' : '0' ) ); + + } + + getHash() { + + return this.light.uuid; + + } + + setupShadow( builder ) { + + const { object } = builder; + + if ( object.receiveShadow === false ) return; + + let shadowNode = this.shadowNode; + + if ( shadowNode === null ) { + + if ( overrideMaterial === null ) { + + overrideMaterial = builder.createNodeMaterial(); + overrideMaterial.fragmentNode = vec4( 0, 0, 0, 1 ); + overrideMaterial.isShadowNodeMaterial = true; // Use to avoid other overrideMaterial override material.fragmentNode unintentionally when using material.shadowNode + + } + + const shadow = this.light.shadow; + const rtt = builder.createRenderTarget( shadow.mapSize.width, shadow.mapSize.height ); + + const depthTexture = new DepthTexture(); + depthTexture.minFilter = NearestFilter; + depthTexture.magFilter = NearestFilter; + depthTexture.image.width = shadow.mapSize.width; + depthTexture.image.height = shadow.mapSize.height; + depthTexture.compareFunction = LessCompare; + + rtt.depthTexture = depthTexture; + + shadow.camera.updateProjectionMatrix(); + + // + + const shadowIntensity = reference( 'intensity', 'float', shadow ); + const bias = reference( 'bias', 'float', shadow ); + const normalBias = reference( 'normalBias', 'float', shadow ); + + const position = object.material.shadowPositionNode || positionWorld; + + let shadowCoord = uniform( shadow.matrix ).mul( position.add( normalWorld.mul( normalBias ) ) ); + shadowCoord = shadowCoord.xyz.div( shadowCoord.w ); + + const frustumTest = shadowCoord.x.greaterThanEqual( 0 ) + .and( shadowCoord.x.lessThanEqual( 1 ) ) + .and( shadowCoord.y.greaterThanEqual( 0 ) ) + .and( shadowCoord.y.lessThanEqual( 1 ) ) + .and( shadowCoord.z.lessThanEqual( 1 ) ); + + let coordZ = shadowCoord.z.add( bias ); + + if ( builder.renderer.coordinateSystem === WebGPUCoordinateSystem ) { + + coordZ = coordZ.mul( 2 ).sub( 1 ); // WebGPU: Convertion [ 0, 1 ] to [ - 1, 1 ] + + } + + shadowCoord = vec3( + shadowCoord.x, + shadowCoord.y.oneMinus(), // follow webgpu standards + coordZ + ); + + const textureCompare = ( depthTexture, shadowCoord, compare ) => texture( depthTexture, shadowCoord ).compare( compare ); + //const textureCompare = ( depthTexture, shadowCoord, compare ) => compare.step( texture( depthTexture, shadowCoord ) ); + + // BasicShadowMap + + shadowNode = textureCompare( depthTexture, shadowCoord.xy, shadowCoord.z ); + + // PCFShadowMap + /* + const mapSize = reference( 'mapSize', 'vec2', shadow ); + const radius = reference( 'radius', 'float', shadow ); + + const texelSize = vec2( 1 ).div( mapSize ); + const dx0 = texelSize.x.negate().mul( radius ); + const dy0 = texelSize.y.negate().mul( radius ); + const dx1 = texelSize.x.mul( radius ); + const dy1 = texelSize.y.mul( radius ); + const dx2 = dx0.mul( 2 ); + const dy2 = dy0.mul( 2 ); + const dx3 = dx1.mul( 2 ); + const dy3 = dy1.mul( 2 ); + + shadowNode = add( + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx0, dy0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( 0, dy0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx1, dy0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx2, dy2 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( 0, dy2 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx3, dy2 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx0, 0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx2, 0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy, shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx3, 0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx1, 0 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx2, dy3 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( 0, dy3 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx3, dy3 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx0, dy1 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( 0, dy1 ) ), shadowCoord.z ), + textureCompare( depthTexture, shadowCoord.xy.add( vec2( dx1, dy1 ) ), shadowCoord.z ) + ).mul( 1 / 17 ); + */ + // + + const shadowColor = texture( rtt.texture, shadowCoord ); + const shadowMaskNode = frustumTest.mix( 1, shadowNode.mix( shadowColor.a.mix( 1, shadowColor ), 1 ) ); + + this.rtt = rtt; + this.colorNode = this.colorNode.mul( mix( 1, shadowMaskNode, shadowIntensity ) ); + + this.shadowNode = shadowNode; + this.shadowMaskNode = shadowMaskNode; + + // + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + } + + setup( builder ) { + + if ( this.light.castShadow ) this.setupShadow( builder ); + else if ( this.shadowNode !== null ) this.disposeShadow(); + + } + + updateShadow( frame ) { + + const { rtt, light } = this; + const { renderer, scene, camera } = frame; + + const currentOverrideMaterial = scene.overrideMaterial; + + scene.overrideMaterial = overrideMaterial; + + rtt.setSize( light.shadow.mapSize.width, light.shadow.mapSize.height ); + + light.shadow.updateMatrices( light ); + light.shadow.camera.layers.mask = camera.layers.mask; + + const currentToneMapping = renderer.toneMapping; + const currentRenderTarget = renderer.getRenderTarget(); + const currentRenderObjectFunction = renderer.getRenderObjectFunction(); + + renderer.setRenderObjectFunction( ( object, ...params ) => { + + if ( object.castShadow === true ) { + + renderer.renderObject( object, ...params ); + + } + + } ); + + renderer.setRenderTarget( rtt ); + renderer.toneMapping = NoToneMapping; + + renderer.render( scene, light.shadow.camera ); + + renderer.setRenderTarget( currentRenderTarget ); + renderer.setRenderObjectFunction( currentRenderObjectFunction ); + + renderer.toneMapping = currentToneMapping; + + scene.overrideMaterial = currentOverrideMaterial; + + } + + disposeShadow() { + + this.rtt.dispose(); + + this.shadowNode = null; + this.shadowMaskNode = null; + this.rtt = null; + + this.colorNode = this._defaultColorNode; + + } + + updateBefore( frame ) { + + const { light } = this; + + if ( light.castShadow ) this.updateShadow( frame ); + + } + + update( /*frame*/ ) { + + const { light } = this; + + this.color.copy( light.color ).multiplyScalar( light.intensity ); + + } + +} + +addNodeClass( 'AnalyticLightNode', AnalyticLightNode ); + +const LightNodes = new WeakMap(); + +const sortLights = ( lights ) => { + + return lights.sort( ( a, b ) => a.id - b.id ); + +}; + +class LightsNode extends Node { + + constructor( lightNodes = [] ) { + + super( 'vec3' ); + + this.totalDiffuseNode = vec3().temp( 'totalDiffuse' ); + this.totalSpecularNode = vec3().temp( 'totalSpecular' ); + + this.outgoingLightNode = vec3().temp( 'outgoingLight' ); + + this.lightNodes = lightNodes; + + this._hash = null; + + } + + get hasLight() { + + return this.lightNodes.length > 0; + + } + + getHash() { + + if ( this._hash === null ) { + + const hash = []; + + for ( const lightNode of this.lightNodes ) { + + hash.push( lightNode.getHash() ); + + } + + this._hash = 'lights-' + hash.join( ',' ); + + } + + return this._hash; + + } + + analyze( builder ) { + + const properties = builder.getDataFromNode( this ); + + for ( const node of properties.nodes ) { + + node.build( builder ); + + } + + } + + setup( builder ) { + + const context = builder.context; + const lightingModel = context.lightingModel; + + let outgoingLightNode = this.outgoingLightNode; + + if ( lightingModel ) { + + const { lightNodes, totalDiffuseNode, totalSpecularNode } = this; + + context.outgoingLight = outgoingLightNode; + + const stack = builder.addStack(); + + // + + const properties = builder.getDataFromNode( this ); + properties.nodes = stack.nodes; + + // + + lightingModel.start( context, stack, builder ); + + // lights + + for ( const lightNode of lightNodes ) { + + lightNode.build( builder ); + + } + + // + + lightingModel.indirectDiffuse( context, stack, builder ); + lightingModel.indirectSpecular( context, stack, builder ); + lightingModel.ambientOcclusion( context, stack, builder ); + + // + + const { backdrop, backdropAlpha } = context; + const { directDiffuse, directSpecular, indirectDiffuse, indirectSpecular } = context.reflectedLight; + + let totalDiffuse = directDiffuse.add( indirectDiffuse ); + + if ( backdrop !== null ) { + + if ( backdropAlpha !== null ) { + + totalDiffuse = vec3( backdropAlpha.mix( totalDiffuse, backdrop ) ); + + } else { + + totalDiffuse = vec3( backdrop ); + + } + + context.material.transparent = true; + + } + + totalDiffuseNode.assign( totalDiffuse ); + totalSpecularNode.assign( directSpecular.add( indirectSpecular ) ); + + outgoingLightNode.assign( totalDiffuseNode.add( totalSpecularNode ) ); + + // + + lightingModel.finish( context, stack, builder ); + + // + + outgoingLightNode = outgoingLightNode.bypass( builder.removeStack() ); + + } + + return outgoingLightNode; + + } + + _getLightNodeById( id ) { + + for ( const lightNode of this.lightNodes ) { + + if ( lightNode.isAnalyticLightNode && lightNode.light.id === id ) { + + return lightNode; + + } + + } + + return null; + + } + + fromLights( lights = [] ) { + + const lightNodes = []; + + lights = sortLights( lights ); + + for ( const light of lights ) { + + let lightNode = this._getLightNodeById( light.id ); + + if ( lightNode === null ) { + + const lightClass = light.constructor; + const lightNodeClass = LightNodes.has( lightClass ) ? LightNodes.get( lightClass ) : AnalyticLightNode; + + lightNode = nodeObject( new lightNodeClass( light ) ); + + } + + lightNodes.push( lightNode ); + + } + + this.lightNodes = lightNodes; + this._hash = null; + + return this; + + } + +} + +const lights = ( lights ) => nodeObject( new LightsNode().fromLights( lights ) ); +const lightsNode = nodeProxy( LightsNode ); + +function addLightNode( lightClass, lightNodeClass ) { + + if ( LightNodes.has( lightClass ) ) { + + console.warn( `Redefinition of light node ${ lightNodeClass.type }` ); + return; + + } + + if ( typeof lightClass !== 'function' ) throw new Error( `Light ${ lightClass.name } is not a class` ); + if ( typeof lightNodeClass !== 'function' || ! lightNodeClass.type ) throw new Error( `Light node ${ lightNodeClass.type } is not a class` ); + + LightNodes.set( lightClass, lightNodeClass ); + +} + +class AONode extends LightingNode { + + constructor( aoNode = null ) { + + super(); + + this.aoNode = aoNode; + + } + + setup( builder ) { + + const aoIntensity = 1; + const aoNode = this.aoNode.x.sub( 1.0 ).mul( aoIntensity ).add( 1.0 ); + + builder.context.ambientOcclusion.mulAssign( aoNode ); + + } + +} + +addNodeClass( 'AONode', AONode ); + +class LightingContextNode extends ContextNode { + + constructor( node, lightingModel = null, backdropNode = null, backdropAlphaNode = null ) { + + super( node ); + + this.lightingModel = lightingModel; + this.backdropNode = backdropNode; + this.backdropAlphaNode = backdropAlphaNode; + + this._context = null; + + } + + getContext() { + + const { backdropNode, backdropAlphaNode } = this; + + const directDiffuse = vec3().temp( 'directDiffuse' ), + directSpecular = vec3().temp( 'directSpecular' ), + indirectDiffuse = vec3().temp( 'indirectDiffuse' ), + indirectSpecular = vec3().temp( 'indirectSpecular' ); + + const reflectedLight = { + directDiffuse, + directSpecular, + indirectDiffuse, + indirectSpecular + }; + + const context = { + radiance: vec3().temp( 'radiance' ), + irradiance: vec3().temp( 'irradiance' ), + iblIrradiance: vec3().temp( 'iblIrradiance' ), + ambientOcclusion: float( 1 ).temp( 'ambientOcclusion' ), + reflectedLight, + backdrop: backdropNode, + backdropAlpha: backdropAlphaNode + }; + + return context; + + } + + setup( builder ) { + + this.context = this._context || ( this._context = this.getContext() ); + this.context.lightingModel = this.lightingModel || builder.context.lightingModel; + + return super.setup( builder ); + + } + +} + +const lightingContext = nodeProxy( LightingContextNode ); + +addNodeElement( 'lightingContext', lightingContext ); + +addNodeClass( 'LightingContextNode', LightingContextNode ); + +const getBitangent = ( crossNormalTangent ) => crossNormalTangent.mul( tangentGeometry.w ).xyz; + +const bitangentGeometry = /*#__PURE__*/ varying( getBitangent( normalGeometry.cross( tangentGeometry ) ), 'v_bitangentGeometry' ).normalize().toVar( 'bitangentGeometry' ); +const bitangentLocal = /*#__PURE__*/ varying( getBitangent( normalLocal.cross( tangentLocal ) ), 'v_bitangentLocal' ).normalize().toVar( 'bitangentLocal' ); +const bitangentView = /*#__PURE__*/ varying( getBitangent( normalView.cross( tangentView ) ), 'v_bitangentView' ).normalize().toVar( 'bitangentView' ); +const bitangentWorld = /*#__PURE__*/ varying( getBitangent( normalWorld.cross( tangentWorld ) ), 'v_bitangentWorld' ).normalize().toVar( 'bitangentWorld' ); +const transformedBitangentView = /*#__PURE__*/ getBitangent( transformedNormalView.cross( transformedTangentView ) ).normalize().toVar( 'transformedBitangentView' ); +const transformedBitangentWorld = /*#__PURE__*/ transformedBitangentView.transformDirection( cameraViewMatrix ).normalize().toVar( 'transformedBitangentWorld' ); + +const TBNViewMatrix = mat3( tangentView, bitangentView, normalView ); + +const parallaxDirection = positionViewDirection.mul( TBNViewMatrix )/*.normalize()*/; +const parallaxUV = ( uv, scale ) => uv.sub( parallaxDirection.mul( scale ) ); + +const transformedBentNormalView = ( () => { + + // https://google.github.io/filament/Filament.md.html#lighting/imagebasedlights/anisotropy + + let bentNormal = anisotropyB.cross( positionViewDirection ); + bentNormal = bentNormal.cross( anisotropyB ).normalize(); + bentNormal = mix( bentNormal, transformedNormalView, anisotropy.mul( roughness.oneMinus() ).oneMinus().pow2().pow2() ).normalize(); + + return bentNormal; + + +} )(); + +class CondNode extends Node { + + constructor( condNode, ifNode, elseNode = null ) { + + super(); + + this.condNode = condNode; + + this.ifNode = ifNode; + this.elseNode = elseNode; + + } + + getNodeType( builder ) { + + const ifType = this.ifNode.getNodeType( builder ); + + if ( this.elseNode !== null ) { + + const elseType = this.elseNode.getNodeType( builder ); + + if ( builder.getTypeLength( elseType ) > builder.getTypeLength( ifType ) ) { + + return elseType; + + } + + } + + return ifType; + + } + + setup( builder ) { + + const properties = builder.getNodeProperties( this ); + properties.condNode = this.condNode.cache(); + properties.ifNode = this.ifNode.cache(); + properties.elseNode = this.elseNode ? this.elseNode.cache() : null; + + } + + generate( builder, output ) { + + const type = this.getNodeType( builder ); + + const nodeData = builder.getDataFromNode( this ); + + if ( nodeData.nodeProperty !== undefined ) { + + return nodeData.nodeProperty; + + } + + const { condNode, ifNode, elseNode } = builder.getNodeProperties( this ); + + const needsOutput = output !== 'void'; + const nodeProperty = needsOutput ? property( type ).build( builder ) : ''; + + nodeData.nodeProperty = nodeProperty; + + const nodeSnippet = condNode.build( builder, 'bool' ); + + builder.addFlowCode( `\n${ builder.tab }if ( ${ nodeSnippet } ) {\n\n` ).addFlowTab(); + + let ifSnippet = ifNode.build( builder, type ); + + if ( ifSnippet ) { + + if ( needsOutput ) { + + ifSnippet = nodeProperty + ' = ' + ifSnippet + ';'; + + } else { + + ifSnippet = 'return ' + ifSnippet + ';'; + + } + + } + + builder.removeFlowTab().addFlowCode( builder.tab + '\t' + ifSnippet + '\n\n' + builder.tab + '}' ); + + if ( elseNode !== null ) { + + builder.addFlowCode( ' else {\n\n' ).addFlowTab(); + + let elseSnippet = elseNode.build( builder, type ); + + if ( elseSnippet ) { + + if ( needsOutput ) { + + elseSnippet = nodeProperty + ' = ' + elseSnippet + ';'; + + } else { + + elseSnippet = 'return ' + elseSnippet + ';'; + + } + + } + + builder.removeFlowTab().addFlowCode( builder.tab + '\t' + elseSnippet + '\n\n' + builder.tab + '}\n\n' ); + + } else { + + builder.addFlowCode( '\n\n' ); + + } + + return builder.format( nodeProperty, type, output ); + + } + +} + +const cond = nodeProxy( CondNode ); + +addNodeElement( 'cond', cond ); + +addNodeClass( 'CondNode', CondNode ); + +// These defines must match with PMREMGenerator + +const cubeUV_r0 = float( 1.0 ); +const cubeUV_m0 = float( - 2.0 ); +const cubeUV_r1 = float( 0.8 ); +const cubeUV_m1 = float( - 1.0 ); +const cubeUV_r4 = float( 0.4 ); +const cubeUV_m4 = float( 2.0 ); +const cubeUV_r5 = float( 0.305 ); +const cubeUV_m5 = float( 3.0 ); +const cubeUV_r6 = float( 0.21 ); +const cubeUV_m6 = float( 4.0 ); + +const cubeUV_minMipLevel = float( 4.0 ); +const cubeUV_minTileSize = float( 16.0 ); + +// These shader functions convert between the UV coordinates of a single face of +// a cubemap, the 0-5 integer index of a cube face, and the direction vector for +// sampling a textureCube (not generally normalized ). + +const getFace = tslFn( ( [ direction ] ) => { + + const absDirection = vec3( abs( direction ) ).toVar(); + const face = float( - 1.0 ).toVar(); + + If( absDirection.x.greaterThan( absDirection.z ), () => { + + If( absDirection.x.greaterThan( absDirection.y ), () => { + + face.assign( cond( direction.x.greaterThan( 0.0 ), 0.0, 3.0 ) ); + + } ).else( () => { + + face.assign( cond( direction.y.greaterThan( 0.0 ), 1.0, 4.0 ) ); + + } ); + + } ).else( () => { + + If( absDirection.z.greaterThan( absDirection.y ), () => { + + face.assign( cond( direction.z.greaterThan( 0.0 ), 2.0, 5.0 ) ); + + } ).else( () => { + + face.assign( cond( direction.y.greaterThan( 0.0 ), 1.0, 4.0 ) ); + + } ); + + } ); + + return face; + +} ).setLayout( { + name: 'getFace', + type: 'float', + inputs: [ + { name: 'direction', type: 'vec3' } + ] +} ); + +// RH coordinate system; PMREM face-indexing convention +const getUV = tslFn( ( [ direction, face ] ) => { + + const uv = vec2().toVar(); + + If( face.equal( 0.0 ), () => { + + uv.assign( vec2( direction.z, direction.y ).div( abs( direction.x ) ) ); // pos x + + } ).elseif( face.equal( 1.0 ), () => { + + uv.assign( vec2( direction.x.negate(), direction.z.negate() ).div( abs( direction.y ) ) ); // pos y + + } ).elseif( face.equal( 2.0 ), () => { + + uv.assign( vec2( direction.x.negate(), direction.y ).div( abs( direction.z ) ) ); // pos z + + } ).elseif( face.equal( 3.0 ), () => { + + uv.assign( vec2( direction.z.negate(), direction.y ).div( abs( direction.x ) ) ); // neg x + + } ).elseif( face.equal( 4.0 ), () => { + + uv.assign( vec2( direction.x.negate(), direction.z ).div( abs( direction.y ) ) ); // neg y + + } ).else( () => { + + uv.assign( vec2( direction.x, direction.y ).div( abs( direction.z ) ) ); // neg z + + } ); + + return mul( 0.5, uv.add( 1.0 ) ); + +} ).setLayout( { + name: 'getUV', + type: 'vec2', + inputs: [ + { name: 'direction', type: 'vec3' }, + { name: 'face', type: 'float' } + ] +} ); + +const roughnessToMip = tslFn( ( [ roughness ] ) => { + + const mip = float( 0.0 ).toVar(); + + If( roughness.greaterThanEqual( cubeUV_r1 ), () => { + + mip.assign( cubeUV_r0.sub( roughness ).mul( cubeUV_m1.sub( cubeUV_m0 ) ).div( cubeUV_r0.sub( cubeUV_r1 ) ).add( cubeUV_m0 ) ); + + } ).elseif( roughness.greaterThanEqual( cubeUV_r4 ), () => { + + mip.assign( cubeUV_r1.sub( roughness ).mul( cubeUV_m4.sub( cubeUV_m1 ) ).div( cubeUV_r1.sub( cubeUV_r4 ) ).add( cubeUV_m1 ) ); + + } ).elseif( roughness.greaterThanEqual( cubeUV_r5 ), () => { + + mip.assign( cubeUV_r4.sub( roughness ).mul( cubeUV_m5.sub( cubeUV_m4 ) ).div( cubeUV_r4.sub( cubeUV_r5 ) ).add( cubeUV_m4 ) ); + + } ).elseif( roughness.greaterThanEqual( cubeUV_r6 ), () => { + + mip.assign( cubeUV_r5.sub( roughness ).mul( cubeUV_m6.sub( cubeUV_m5 ) ).div( cubeUV_r5.sub( cubeUV_r6 ) ).add( cubeUV_m5 ) ); + + } ).else( () => { + + mip.assign( float( - 2.0 ).mul( log2( mul( 1.16, roughness ) ) ) ); // 1.16 = 1.79^0.25 + + } ); + + return mip; + +} ).setLayout( { + name: 'roughnessToMip', + type: 'float', + inputs: [ + { name: 'roughness', type: 'float' } + ] +} ); + +// RH coordinate system; PMREM face-indexing convention +const getDirection = tslFn( ( [ uv_immutable, face ] ) => { + + const uv = uv_immutable.toVar(); + uv.assign( mul( 2.0, uv ).sub( 1.0 ) ); + const direction = vec3( uv, 1.0 ).toVar(); + + If( face.equal( 0.0 ), () => { + + direction.assign( direction.zyx ); // ( 1, v, u ) pos x + + } ).elseif( face.equal( 1.0 ), () => { + + direction.assign( direction.xzy ); + direction.xz.mulAssign( - 1.0 ); // ( -u, 1, -v ) pos y + + } ).elseif( face.equal( 2.0 ), () => { + + direction.x.mulAssign( - 1.0 ); // ( -u, v, 1 ) pos z + + } ).elseif( face.equal( 3.0 ), () => { + + direction.assign( direction.zyx ); + direction.xz.mulAssign( - 1.0 ); // ( -1, v, -u ) neg x + + } ).elseif( face.equal( 4.0 ), () => { + + direction.assign( direction.xzy ); + direction.xy.mulAssign( - 1.0 ); // ( -u, -1, v ) neg y + + } ).elseif( face.equal( 5.0 ), () => { + + direction.z.mulAssign( - 1.0 ); // ( u, v, -1 ) neg zS + + } ); + + return direction; + +} ).setLayout( { + name: 'getDirection', + type: 'vec3', + inputs: [ + { name: 'uv', type: 'vec2' }, + { name: 'face', type: 'float' } + ] +} ); + +// + +const textureCubeUV = tslFn( ( [ envMap, sampleDir_immutable, roughness_immutable, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP ] ) => { + + const roughness = float( roughness_immutable ); + const sampleDir = vec3( sampleDir_immutable ); + + const mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); + const mipF = fract( mip ); + const mipInt = floor( mip ); + const color0 = vec3( bilinearCubeUV( envMap, sampleDir, mipInt, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP ) ).toVar(); + + If( mipF.notEqual( 0.0 ), () => { + + const color1 = vec3( bilinearCubeUV( envMap, sampleDir, mipInt.add( 1.0 ), CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP ) ).toVar(); + + color0.assign( mix( color0, color1, mipF ) ); + + } ); + + return color0; + +} ); + +const bilinearCubeUV = tslFn( ( [ envMap, direction_immutable, mipInt_immutable, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP ] ) => { + + const mipInt = float( mipInt_immutable ).toVar(); + const direction = vec3( direction_immutable ); + const face = float( getFace( direction ) ).toVar(); + const filterInt = float( max$1( cubeUV_minMipLevel.sub( mipInt ), 0.0 ) ).toVar(); + mipInt.assign( max$1( mipInt, cubeUV_minMipLevel ) ); + const faceSize = float( exp2( mipInt ) ).toVar(); + const uv = vec2( getUV( direction, face ).mul( faceSize.sub( 2.0 ) ).add( 1.0 ) ).toVar(); + + If( face.greaterThan( 2.0 ), () => { + + uv.y.addAssign( faceSize ); + face.subAssign( 3.0 ); + + } ); + + uv.x.addAssign( face.mul( faceSize ) ); + uv.x.addAssign( filterInt.mul( mul( 3.0, cubeUV_minTileSize ) ) ); + uv.y.addAssign( mul( 4.0, exp2( CUBEUV_MAX_MIP ).sub( faceSize ) ) ); + uv.x.mulAssign( CUBEUV_TEXEL_WIDTH ); + uv.y.mulAssign( CUBEUV_TEXEL_HEIGHT ); + + return envMap.uv( uv ).grad( vec2(), vec2() ); // disable anisotropic filtering + +} ); + +const getSample = tslFn( ( { envMap, mipInt, outputDirection, theta, axis, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) => { + + const cosTheta = cos( theta ); + + // Rodrigues' axis-angle rotation + const sampleDirection = outputDirection.mul( cosTheta ) + .add( axis.cross( outputDirection ).mul( sin( theta ) ) ) + .add( axis.mul( axis.dot( outputDirection ).mul( cosTheta.oneMinus() ) ) ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP ); + +} ); + +const blur = tslFn( ( { n, latitudinal, poleAxis, outputDirection, weights, samples, dTheta, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) => { + + const axis = vec3( cond( latitudinal, poleAxis, cross( poleAxis, outputDirection ) ) ).toVar(); + + If( all( axis.equals( vec3( 0.0 ) ) ), () => { + + axis.assign( vec3( outputDirection.z, 0.0, outputDirection.x.negate() ) ); + + } ); + + axis.assign( normalize( axis ) ); + + const gl_FragColor = vec3().toVar(); + gl_FragColor.addAssign( weights.element( int( 0 ) ).mul( getSample( { theta: 0.0, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); + + loop( { start: int( 1 ), end: n }, ( { i } ) => { + + If( i.greaterThanEqual( samples ), () => { + + Break(); + + } ); + + const theta = float( dTheta.mul( float( i ) ) ).toVar(); + gl_FragColor.addAssign( weights.element( i ).mul( getSample( { theta: theta.mul( - 1.0 ), axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); + gl_FragColor.addAssign( weights.element( i ).mul( getSample( { theta, axis, outputDirection, mipInt, envMap, CUBEUV_TEXEL_WIDTH, CUBEUV_TEXEL_HEIGHT, CUBEUV_MAX_MIP } ) ) ); + + } ); + + return vec4( gl_FragColor, 1 ); + +} ); + +let _generator = null; + +const _cache = new WeakMap(); + +function _generateCubeUVSize( imageHeight ) { + + const maxMip = Math.log2( imageHeight ) - 2; + + const texelHeight = 1.0 / imageHeight; + + const texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) ); + + return { texelWidth, texelHeight, maxMip }; + +} + +function _getPMREMFromTexture( texture ) { + + let cacheTexture = _cache.get( texture ); + + const pmremVersion = cacheTexture !== undefined ? cacheTexture.pmremVersion : - 1; + + if ( pmremVersion !== texture.pmremVersion ) { + + if ( texture.isCubeTexture ) { + + if ( texture.source.data.some( ( texture ) => texture === undefined ) ) { + + throw new Error( 'PMREMNode: Undefined texture in CubeTexture. Use onLoad callback or async loader' ); + + } + + cacheTexture = _generator.fromCubemap( texture, cacheTexture ); + + } else { + + if ( texture.image === undefined ) { + + throw new Error( 'PMREMNode: Undefined image in Texture. Use onLoad callback or async loader' ); + + } + + cacheTexture = _generator.fromEquirectangular( texture, cacheTexture ); + + } + + cacheTexture.pmremVersion = texture.pmremVersion; + + _cache.set( texture, cacheTexture ); + + } + + return cacheTexture.texture; + +} + +class PMREMNode extends TempNode { + + constructor( value, uvNode = null, levelNode = null ) { + + super( 'vec3' ); + + this._value = value; + this._pmrem = null; + + this.uvNode = uvNode; + this.levelNode = levelNode; + + this._generator = null; + this._texture = texture( null ); + this._width = uniform( 0 ); + this._height = uniform( 0 ); + this._maxMip = uniform( 0 ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + set value( value ) { + + this._value = value; + this._pmrem = null; + + } + + get value() { + + return this._value; + + } + + updateFromTexture( texture ) { + + const cubeUVSize = _generateCubeUVSize( texture.image.height ); + + this._texture.value = texture; + this._width.value = cubeUVSize.texelWidth; + this._height.value = cubeUVSize.texelHeight; + this._maxMip.value = cubeUVSize.maxMip; + + } + + updateBefore() { + + let pmrem = this._pmrem; + + const pmremVersion = pmrem ? pmrem.pmremVersion : - 1; + const texture = this._value; + + if ( pmremVersion !== texture.pmremVersion ) { + + if ( texture.isPMREMTexture === true ) { + + pmrem = texture; + + } else { + + pmrem = _getPMREMFromTexture( texture ); + + } + + this._pmrem = pmrem; + + this.updateFromTexture( pmrem ); + + } + + } + + setup( builder ) { + + if ( _generator === null ) { + + _generator = builder.createPMREMGenerator(); + + } + + // + + this.updateBefore( builder ); + + // + + let uvNode = this.uvNode; + + if ( uvNode === null && builder.context.getUV ) { + + uvNode = builder.context.getUV( this ); + + } + + // + + const texture = this.value; + + if ( builder.renderer.coordinateSystem === WebGLCoordinateSystem && texture.isPMREMTexture !== true && texture.isRenderTargetTexture === true ) { + + uvNode = vec3( uvNode.x.negate(), uvNode.yz ); + + } + + // + + let levelNode = this.levelNode; + + if ( levelNode === null && builder.context.getTextureLevel ) { + + levelNode = builder.context.getTextureLevel( this ); + + } + + // + + return textureCubeUV( this._texture, uvNode, levelNode, this._width, this._height, this._maxMip ); + + } + +} + +const pmremTexture = nodeProxy( PMREMNode ); + +addNodeClass( 'PMREMNode', PMREMNode ); + +const envNodeCache = new WeakMap(); + +class EnvironmentNode extends LightingNode { + + constructor( envNode = null ) { + + super(); + + this.envNode = envNode; + + } + + setup( builder ) { + + let envNode = this.envNode; + + if ( envNode.isTextureNode ) { + + let cacheEnvNode = envNodeCache.get( envNode.value ); + + if ( cacheEnvNode === undefined ) { + + cacheEnvNode = pmremTexture( envNode.value ); + + envNodeCache.set( envNode.value, cacheEnvNode ); + + } + + envNode = cacheEnvNode; + + } + + // + + const { material } = builder; + + const envMap = material.envMap; + const intensity = envMap ? reference( 'envMapIntensity', 'float', builder.material ) : reference( 'environmentIntensity', 'float', builder.scene ); // @TODO: Add materialEnvIntensity in MaterialNode + + const useAnisotropy = material.useAnisotropy === true || material.anisotropy > 0; + const radianceNormalView = useAnisotropy ? transformedBentNormalView : transformedNormalView; + + const radiance = context( envNode, createRadianceContext( roughness, radianceNormalView ) ).mul( intensity ); + const irradiance = context( envNode, createIrradianceContext( transformedNormalWorld ) ).mul( Math.PI ).mul( intensity ); + + const isolateRadiance = cache( radiance ); + const isolateIrradiance = cache( irradiance ); + + // + + builder.context.radiance.addAssign( isolateRadiance ); + + builder.context.iblIrradiance.addAssign( isolateIrradiance ); + + // + + const clearcoatRadiance = builder.context.lightingModel.clearcoatRadiance; + + if ( clearcoatRadiance ) { + + const clearcoatRadianceContext = context( envNode, createRadianceContext( clearcoatRoughness, transformedClearcoatNormalView ) ).mul( intensity ); + const isolateClearcoatRadiance = cache( clearcoatRadianceContext ); + + clearcoatRadiance.addAssign( isolateClearcoatRadiance ); + + } + + } + +} + +const createRadianceContext = ( roughnessNode, normalViewNode ) => { + + let reflectVec = null; + + return { + getUV: () => { + + if ( reflectVec === null ) { + + reflectVec = positionViewDirection.negate().reflect( normalViewNode ); + + // Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane. + reflectVec = roughnessNode.mul( roughnessNode ).mix( reflectVec, normalViewNode ).normalize(); + + reflectVec = reflectVec.transformDirection( cameraViewMatrix ); + + } + + return reflectVec; + + }, + getTextureLevel: () => { + + return roughnessNode; + + } + }; + +}; + +const createIrradianceContext = ( normalWorldNode ) => { + + return { + getUV: () => { + + return normalWorldNode; + + }, + getTextureLevel: () => { + + return float( 1.0 ); + + } + }; + +}; + +addNodeClass( 'EnvironmentNode', EnvironmentNode ); + +class IrradianceNode extends LightingNode { + + constructor( node ) { + + super(); + + this.node = node; + + } + + setup( builder ) { + + builder.context.irradiance.addAssign( this.node ); + + } + +} + +addNodeClass( 'IrradianceNode', IrradianceNode ); + +let resolution, viewportResult; + +class ViewportNode extends Node { + + constructor( scope ) { + + super(); + + this.scope = scope; + + this.isViewportNode = true; + + } + + getNodeType() { + + if ( this.scope === ViewportNode.VIEWPORT ) return 'vec4'; + else if ( this.scope === ViewportNode.COORDINATE ) return 'vec3'; + else return 'vec2'; + + } + + getUpdateType() { + + let updateType = NodeUpdateType.NONE; + + if ( this.scope === ViewportNode.RESOLUTION || this.scope === ViewportNode.VIEWPORT ) { + + updateType = NodeUpdateType.RENDER; + + } + + this.updateType = updateType; + + return updateType; + + } + + update( { renderer } ) { + + if ( this.scope === ViewportNode.VIEWPORT ) { + + renderer.getViewport( viewportResult ); + + } else { + + renderer.getDrawingBufferSize( resolution ); + + } + + } + + setup( /*builder*/ ) { + + const scope = this.scope; + + let output = null; + + if ( scope === ViewportNode.RESOLUTION ) { + + output = uniform( resolution || ( resolution = new Vector2() ) ); + + } else if ( scope === ViewportNode.VIEWPORT ) { + + output = uniform( viewportResult || ( viewportResult = new Vector4() ) ); + + } else { + + output = viewportCoordinate.div( viewportResolution ); + + let outX = output.x; + let outY = output.y; + + if ( /bottom/i.test( scope ) ) outY = outY.oneMinus(); + if ( /right/i.test( scope ) ) outX = outX.oneMinus(); + + output = vec2( outX, outY ); + + } + + return output; + + } + + generate( builder ) { + + if ( this.scope === ViewportNode.COORDINATE ) { + + let coord = builder.getFragCoord(); + + if ( builder.isFlipY() ) { + + // follow webgpu standards + + const resolution = builder.getNodeProperties( viewportResolution ).outputNode.build( builder ); + + coord = `${ builder.getType( 'vec3' ) }( ${ coord }.x, ${ resolution }.y - ${ coord }.y, ${ coord }.z )`; + + } + + return coord; + + } + + return super.generate( builder ); + + } + +} + +ViewportNode.COORDINATE = 'coordinate'; +ViewportNode.RESOLUTION = 'resolution'; +ViewportNode.VIEWPORT = 'viewport'; +ViewportNode.TOP_LEFT = 'topLeft'; +ViewportNode.BOTTOM_LEFT = 'bottomLeft'; +ViewportNode.TOP_RIGHT = 'topRight'; +ViewportNode.BOTTOM_RIGHT = 'bottomRight'; + +const viewportCoordinate = nodeImmutable( ViewportNode, ViewportNode.COORDINATE ); +const viewportResolution = nodeImmutable( ViewportNode, ViewportNode.RESOLUTION ); +const viewport = nodeImmutable( ViewportNode, ViewportNode.VIEWPORT ); +const viewportTopLeft = nodeImmutable( ViewportNode, ViewportNode.TOP_LEFT ); +const viewportBottomLeft = nodeImmutable( ViewportNode, ViewportNode.BOTTOM_LEFT ); +const viewportTopRight = nodeImmutable( ViewportNode, ViewportNode.TOP_RIGHT ); +const viewportBottomRight = nodeImmutable( ViewportNode, ViewportNode.BOTTOM_RIGHT ); + +addNodeClass( 'ViewportNode', ViewportNode ); + +const _size$4 = new Vector2(); + +class ViewportTextureNode extends TextureNode { + + constructor( uvNode = viewportTopLeft, levelNode = null, framebufferTexture = null ) { + + if ( framebufferTexture === null ) { + + framebufferTexture = new FramebufferTexture(); + framebufferTexture.minFilter = LinearMipmapLinearFilter; + + } + + super( framebufferTexture, uvNode, levelNode ); + + this.generateMipmaps = false; + + this.isOutputTextureNode = true; + + this.updateBeforeType = NodeUpdateType.FRAME; + + } + + updateBefore( frame ) { + + const renderer = frame.renderer; + renderer.getDrawingBufferSize( _size$4 ); + + // + + const framebufferTexture = this.value; + + if ( framebufferTexture.image.width !== _size$4.width || framebufferTexture.image.height !== _size$4.height ) { + + framebufferTexture.image.width = _size$4.width; + framebufferTexture.image.height = _size$4.height; + framebufferTexture.needsUpdate = true; + + } + + // + + const currentGenerateMipmaps = framebufferTexture.generateMipmaps; + framebufferTexture.generateMipmaps = this.generateMipmaps; + + renderer.copyFramebufferToTexture( framebufferTexture ); + + framebufferTexture.generateMipmaps = currentGenerateMipmaps; + + } + + clone() { + + const viewportTextureNode = new this.constructor( this.uvNode, this.levelNode, this.value ); + viewportTextureNode.generateMipmaps = this.generateMipmaps; + + return viewportTextureNode; + + } + +} + +const viewportTexture = nodeProxy( ViewportTextureNode ); +const viewportMipTexture = nodeProxy( ViewportTextureNode, null, null, { generateMipmaps: true } ); + +addNodeElement( 'viewportTexture', viewportTexture ); +addNodeElement( 'viewportMipTexture', viewportMipTexture ); + +addNodeClass( 'ViewportTextureNode', ViewportTextureNode ); + +let sharedDepthbuffer = null; + +class ViewportDepthTextureNode extends ViewportTextureNode { + + constructor( uvNode = viewportTopLeft, levelNode = null ) { + + if ( sharedDepthbuffer === null ) { + + sharedDepthbuffer = new DepthTexture(); + + } + + super( uvNode, levelNode, sharedDepthbuffer ); + + } + +} + +const viewportDepthTexture = nodeProxy( ViewportDepthTextureNode ); + +addNodeElement( 'viewportDepthTexture', viewportDepthTexture ); + +addNodeClass( 'ViewportDepthTextureNode', ViewportDepthTextureNode ); + +class ViewportDepthNode extends Node { + + constructor( scope, valueNode = null ) { + + super( 'float' ); + + this.scope = scope; + this.valueNode = valueNode; + + this.isViewportDepthNode = true; + + } + + generate( builder ) { + + const { scope } = this; + + if ( scope === ViewportDepthNode.DEPTH ) { + + return builder.getFragDepth(); + + } + + return super.generate( builder ); + + } + + setup( { camera } ) { + + const { scope } = this; + const texture = this.valueNode; + + let node = null; + + if ( scope === ViewportDepthNode.DEPTH ) { + + if ( texture !== null ) { + + node = depthBase().assign( texture ); + + } else { + + if ( camera.isPerspectiveCamera ) { + + node = viewZToPerspectiveDepth( positionView.z, cameraNear, cameraFar ); + + } else { + + node = viewZToOrthographicDepth( positionView.z, cameraNear, cameraFar ); + + } + + } + + } else if ( scope === ViewportDepthNode.LINEAR_DEPTH ) { + + if ( texture !== null ) { + + if ( camera.isPerspectiveCamera ) { + + const viewZ = perspectiveDepthToViewZ( texture, cameraNear, cameraFar ); + + node = viewZToOrthographicDepth( viewZ, cameraNear, cameraFar ); + + } else { + + node = texture; + + } + + } else { + + node = viewZToOrthographicDepth( positionView.z, cameraNear, cameraFar ); + + } + + } + + return node; + + } + +} + +// NOTE: viewZ, the z-coordinate in camera space, is negative for points in front of the camera + +// -near maps to 0; -far maps to 1 +const viewZToOrthographicDepth = ( viewZ, near, far ) => viewZ.add( near ).div( near.sub( far ) ); + +// maps orthographic depth in [ 0, 1 ] to viewZ +const orthographicDepthToViewZ = ( depth, near, far ) => near.sub( far ).mul( depth ).sub( near ); + +// NOTE: https://twitter.com/gonnavis/status/1377183786949959682 + +// -near maps to 0; -far maps to 1 +const viewZToPerspectiveDepth = ( viewZ, near, far ) => near.add( viewZ ).mul( far ).div( far.sub( near ).mul( viewZ ) ); + +// maps perspective depth in [ 0, 1 ] to viewZ +const perspectiveDepthToViewZ = ( depth, near, far ) => near.mul( far ).div( far.sub( near ).mul( depth ).sub( far ) ); + +ViewportDepthNode.DEPTH = 'depth'; +ViewportDepthNode.LINEAR_DEPTH = 'linearDepth'; + +const depthBase = nodeProxy( ViewportDepthNode, ViewportDepthNode.DEPTH ); + +const depth = nodeImmutable( ViewportDepthNode, ViewportDepthNode.DEPTH ); +const linearDepth = nodeProxy( ViewportDepthNode, ViewportDepthNode.LINEAR_DEPTH ); +const viewportLinearDepth = linearDepth( viewportDepthTexture() ); + +depth.assign = ( value ) => depthBase( value ); + +addNodeClass( 'ViewportDepthNode', ViewportDepthNode ); + +class ClippingNode extends Node { + + constructor( scope = ClippingNode.DEFAULT ) { + + super(); + + this.scope = scope; + + } + + setup( builder ) { + + super.setup( builder ); + + const clippingContext = builder.clippingContext; + const { localClipIntersection, localClippingCount, globalClippingCount } = clippingContext; + + const numClippingPlanes = globalClippingCount + localClippingCount; + const numUnionClippingPlanes = localClipIntersection ? numClippingPlanes - localClippingCount : numClippingPlanes; + + if ( this.scope === ClippingNode.ALPHA_TO_COVERAGE ) { + + return this.setupAlphaToCoverage( clippingContext.planes, numClippingPlanes, numUnionClippingPlanes ); + + } else { + + return this.setupDefault( clippingContext.planes, numClippingPlanes, numUnionClippingPlanes ); + + } + + } + + setupAlphaToCoverage( planes, numClippingPlanes, numUnionClippingPlanes ) { + + return tslFn( () => { + + const clippingPlanes = uniforms( planes ); + + const distanceToPlane = property( 'float', 'distanceToPlane' ); + const distanceGradient = property( 'float', 'distanceToGradient' ); + + const clipOpacity = property( 'float', 'clipOpacity' ); + + clipOpacity.assign( 1 ); + + let plane; + + loop( numUnionClippingPlanes, ( { i } ) => { + + plane = clippingPlanes.element( i ); + + distanceToPlane.assign( positionView.dot( plane.xyz ).negate().add( plane.w ) ); + distanceGradient.assign( distanceToPlane.fwidth().div( 2.0 ) ); + + clipOpacity.mulAssign( smoothstep( distanceGradient.negate(), distanceGradient, distanceToPlane ) ); + + clipOpacity.equal( 0.0 ).discard(); + + } ); + + if ( numUnionClippingPlanes < numClippingPlanes ) { + + const unionClipOpacity = property( 'float', 'unionclipOpacity' ); + + unionClipOpacity.assign( 1 ); + + loop( { start: numUnionClippingPlanes, end: numClippingPlanes }, ( { i } ) => { + + plane = clippingPlanes.element( i ); + + distanceToPlane.assign( positionView.dot( plane.xyz ).negate().add( plane.w ) ); + distanceGradient.assign( distanceToPlane.fwidth().div( 2.0 ) ); + + unionClipOpacity.mulAssign( smoothstep( distanceGradient.negate(), distanceGradient, distanceToPlane ).oneMinus() ); + + } ); + + clipOpacity.mulAssign( unionClipOpacity.oneMinus() ); + + } + + diffuseColor.a.mulAssign( clipOpacity ); + + diffuseColor.a.equal( 0.0 ).discard(); + + } )(); + + } + + setupDefault( planes, numClippingPlanes, numUnionClippingPlanes ) { + + return tslFn( () => { + + const clippingPlanes = uniforms( planes ); + + let plane; + + loop( numUnionClippingPlanes, ( { i } ) => { + + plane = clippingPlanes.element( i ); + positionView.dot( plane.xyz ).greaterThan( plane.w ).discard(); + + } ); + + if ( numUnionClippingPlanes < numClippingPlanes ) { + + const clipped = property( 'bool', 'clipped' ); + + clipped.assign( true ); + + loop( { start: numUnionClippingPlanes, end: numClippingPlanes }, ( { i } ) => { + + plane = clippingPlanes.element( i ); + clipped.assign( positionView.dot( plane.xyz ).greaterThan( plane.w ).and( clipped ) ); + + } ); + + clipped.discard(); + + } + + } )(); + + } + +} + +ClippingNode.ALPHA_TO_COVERAGE = 'alphaToCoverage'; +ClippingNode.DEFAULT = 'default'; + +const clipping = () => nodeObject( new ClippingNode() ); + +const clippingAlpha = () => nodeObject( new ClippingNode( ClippingNode.ALPHA_TO_COVERAGE ) ); + +class FrontFacingNode extends Node { + + constructor() { + + super( 'bool' ); + + this.isFrontFacingNode = true; + + } + + generate( builder ) { + + const { renderer, material } = builder; + + if ( renderer.coordinateSystem === WebGLCoordinateSystem ) { + + if ( material.side === BackSide ) { + + return 'false'; + + } + + } + + return builder.getFrontFacing(); + + } + +} + +const frontFacing = nodeImmutable( FrontFacingNode ); +const faceDirection = float( frontFacing ).mul( 2.0 ).sub( 1.0 ); + +addNodeClass( 'FrontFacingNode', FrontFacingNode ); + +const NodeMaterials = new Map(); + +class NodeMaterial extends Material { + + constructor() { + + super(); + + this.isNodeMaterial = true; + + this.type = this.constructor.type; + + this.forceSinglePass = false; + + this.fog = true; + this.lights = true; + this.normals = true; + + this.lightsNode = null; + this.envNode = null; + this.aoNode = null; + + this.colorNode = null; + this.normalNode = null; + this.opacityNode = null; + this.backdropNode = null; + this.backdropAlphaNode = null; + this.alphaTestNode = null; + + this.positionNode = null; + + this.depthNode = null; + this.shadowNode = null; + this.shadowPositionNode = null; + + this.outputNode = null; + + this.fragmentNode = null; + this.vertexNode = null; + + } + + customProgramCacheKey() { + + return this.type + getCacheKey( this ); + + } + + build( builder ) { + + this.setup( builder ); + + } + + setup( builder ) { + + // < VERTEX STAGE > + + builder.addStack(); + + builder.stack.outputNode = this.vertexNode || this.setupPosition( builder ); + + builder.addFlow( 'vertex', builder.removeStack() ); + + // < FRAGMENT STAGE > + + builder.addStack(); + + let resultNode; + + const clippingNode = this.setupClipping( builder ); + + if ( this.depthWrite === true ) this.setupDepth( builder ); + + if ( this.fragmentNode === null ) { + + if ( this.normals === true ) this.setupNormal( builder ); + + this.setupDiffuseColor( builder ); + this.setupVariants( builder ); + + const outgoingLightNode = this.setupLighting( builder ); + + if ( clippingNode !== null ) builder.stack.add( clippingNode ); + + // force unsigned floats - useful for RenderTargets + + const basicOutput = vec4( outgoingLightNode, diffuseColor.a ).max( 0 ); + + resultNode = this.setupOutput( builder, basicOutput ); + + // OUTPUT NODE + + output.assign( resultNode ); + + // + + if ( this.outputNode !== null ) resultNode = this.outputNode; + + } else { + + let fragmentNode = this.fragmentNode; + + if ( fragmentNode.isOutputStructNode !== true ) { + + fragmentNode = vec4( fragmentNode ); + + } + + resultNode = this.setupOutput( builder, fragmentNode ); + + } + + builder.stack.outputNode = resultNode; + + builder.addFlow( 'fragment', builder.removeStack() ); + + } + + setupClipping( builder ) { + + if ( builder.clippingContext === null ) return null; + + const { globalClippingCount, localClippingCount } = builder.clippingContext; + + let result = null; + + if ( globalClippingCount || localClippingCount ) { + + if ( this.alphaToCoverage ) { + + // to be added to flow when the color/alpha value has been determined + result = clippingAlpha(); + + } else { + + builder.stack.add( clipping() ); + + } + + } + + return result; + + } + + setupDepth( builder ) { + + const { renderer } = builder; + + // Depth + + let depthNode = this.depthNode; + + if ( depthNode === null && renderer.logarithmicDepthBuffer === true ) { + + const fragDepth = modelViewProjection().w.add( 1 ); + + depthNode = fragDepth.log2().mul( cameraLogDepth ).mul( 0.5 ); + + } + + if ( depthNode !== null ) { + + depth.assign( depthNode ).append(); + + } + + } + + setupPosition( builder ) { + + const { object } = builder; + const geometry = object.geometry; + + builder.addStack(); + + // Vertex + + if ( geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color ) { + + morphReference( object ).append(); + + } + + if ( object.isSkinnedMesh === true ) { + + skinningReference( object ).append(); + + } + + if ( this.displacementMap ) { + + const displacementMap = materialReference( 'displacementMap', 'texture' ); + const displacementScale = materialReference( 'displacementScale', 'float' ); + const displacementBias = materialReference( 'displacementBias', 'float' ); + + positionLocal.addAssign( normalLocal.normalize().mul( ( displacementMap.x.mul( displacementScale ).add( displacementBias ) ) ) ); + + } + + if ( object.isBatchedMesh ) { + + batch( object ).append(); + + } + + if ( ( object.instanceMatrix && object.instanceMatrix.isInstancedBufferAttribute === true ) ) { + + instance( object ).append(); + + } + + if ( this.positionNode !== null ) { + + positionLocal.assign( this.positionNode ); + + } + + const mvp = modelViewProjection(); + + builder.context.vertex = builder.removeStack(); + builder.context.mvp = mvp; + + return mvp; + + } + + setupDiffuseColor( { object, geometry } ) { + + let colorNode = this.colorNode ? vec4( this.colorNode ) : materialColor; + + // VERTEX COLORS + + if ( this.vertexColors === true && geometry.hasAttribute( 'color' ) ) { + + colorNode = vec4( colorNode.xyz.mul( attribute( 'color', 'vec3' ) ), colorNode.a ); + + } + + // Instanced colors + + if ( object.instanceColor ) { + + const instanceColor = varyingProperty( 'vec3', 'vInstanceColor' ); + + colorNode = instanceColor.mul( colorNode ); + + } + + // COLOR + + diffuseColor.assign( colorNode ); + + // OPACITY + + const opacityNode = this.opacityNode ? float( this.opacityNode ) : materialOpacity; + diffuseColor.a.assign( diffuseColor.a.mul( opacityNode ) ); + + // ALPHA TEST + + if ( this.alphaTestNode !== null || this.alphaTest > 0 ) { + + const alphaTestNode = this.alphaTestNode !== null ? float( this.alphaTestNode ) : materialAlphaTest; + + diffuseColor.a.lessThanEqual( alphaTestNode ).discard(); + + } + + if ( this.transparent === false && this.blending === NormalBlending && this.alphaToCoverage === false ) { + + diffuseColor.a.assign( 1.0 ); + + } + + } + + setupVariants( /*builder*/ ) { + + // Interface function. + + } + + setupNormal() { + + // NORMAL VIEW + + if ( this.flatShading === true ) { + + const normalNode = positionView.dFdx().cross( positionView.dFdy() ).normalize(); + + transformedNormalView.assign( normalNode.mul( faceDirection ) ); + + } else { + + const normalNode = this.normalNode ? vec3( this.normalNode ) : materialNormal; + + transformedNormalView.assign( normalNode.mul( faceDirection ) ); + + } + + } + + getEnvNode( builder ) { + + let node = null; + + if ( this.envNode ) { + + node = this.envNode; + + } else if ( this.envMap ) { + + node = this.envMap.isCubeTexture ? cubeTexture( this.envMap ) : texture( this.envMap ); + + } else if ( builder.environmentNode ) { + + node = builder.environmentNode; + + } + + return node; + + } + + setupLights( builder ) { + + const envNode = this.getEnvNode( builder ); + + // + + const materialLightsNode = []; + + if ( envNode ) { + + materialLightsNode.push( new EnvironmentNode( envNode ) ); + + } + + if ( builder.material.lightMap ) { + + materialLightsNode.push( new IrradianceNode( materialReference( 'lightMap', 'texture' ) ) ); + + } + + if ( this.aoNode !== null || builder.material.aoMap ) { + + const aoNode = this.aoNode !== null ? this.aoNode : texture( builder.material.aoMap ); + + materialLightsNode.push( new AONode( aoNode ) ); + + } + + let lightsN = this.lightsNode || builder.lightsNode; + + if ( materialLightsNode.length > 0 ) { + + lightsN = lightsNode( [ ...lightsN.lightNodes, ...materialLightsNode ] ); + + } + + return lightsN; + + } + + setupLightingModel( /*builder*/ ) { + + // Interface function. + + } + + setupLighting( builder ) { + + const { material } = builder; + const { backdropNode, backdropAlphaNode, emissiveNode } = this; + + // OUTGOING LIGHT + + const lights = this.lights === true || this.lightsNode !== null; + + const lightsNode = lights ? this.setupLights( builder ) : null; + + let outgoingLightNode = diffuseColor.rgb; + + if ( lightsNode && lightsNode.hasLight !== false ) { + + const lightingModel = this.setupLightingModel( builder ); + + outgoingLightNode = lightingContext( lightsNode, lightingModel, backdropNode, backdropAlphaNode ); + + } else if ( backdropNode !== null ) { + + outgoingLightNode = vec3( backdropAlphaNode !== null ? mix( outgoingLightNode, backdropNode, backdropAlphaNode ) : backdropNode ); + + } + + // EMISSIVE + + if ( ( emissiveNode && emissiveNode.isNode === true ) || ( material.emissive && material.emissive.isColor === true ) ) { + + outgoingLightNode = outgoingLightNode.add( vec3( emissiveNode ? emissiveNode : materialEmissive ) ); + + } + + return outgoingLightNode; + + } + + setupOutput( builder, outputNode ) { + + // FOG + + if ( this.fog === true ) { + + const fogNode = builder.fogNode; + + if ( fogNode ) outputNode = vec4( fogNode.mix( outputNode.rgb, fogNode.colorNode ), outputNode.a ); + + } + + return outputNode; + + } + + setDefaultValues( material ) { + + // This approach is to reuse the native refreshUniforms* + // and turn available the use of features like transmission and environment in core + + for ( const property in material ) { + + const value = material[ property ]; + + if ( this[ property ] === undefined ) { + + this[ property ] = value; + + if ( value && value.clone ) this[ property ] = value.clone(); + + } + + } + + const descriptors = Object.getOwnPropertyDescriptors( material.constructor.prototype ); + + for ( const key in descriptors ) { + + if ( Object.getOwnPropertyDescriptor( this.constructor.prototype, key ) === undefined && + descriptors[ key ].get !== undefined ) { + + Object.defineProperty( this.constructor.prototype, key, descriptors[ key ] ); + + } + + } + + } + + toJSON( meta ) { + + const isRoot = ( meta === undefined || typeof meta === 'string' ); + + if ( isRoot ) { + + meta = { + textures: {}, + images: {}, + nodes: {} + }; + + } + + const data = Material.prototype.toJSON.call( this, meta ); + const nodeChildren = getNodeChildren( this ); + + data.inputNodes = {}; + + for ( const { property, childNode } of nodeChildren ) { + + data.inputNodes[ property ] = childNode.toJSON( meta ).uuid; + + } + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + const values = []; + + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRoot ) { + + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + const nodes = extractFromCache( meta.nodes ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + if ( nodes.length > 0 ) data.nodes = nodes; + + } + + return data; + + } + + copy( source ) { + + this.lightsNode = source.lightsNode; + this.envNode = source.envNode; + + this.colorNode = source.colorNode; + this.normalNode = source.normalNode; + this.opacityNode = source.opacityNode; + this.backdropNode = source.backdropNode; + this.backdropAlphaNode = source.backdropAlphaNode; + this.alphaTestNode = source.alphaTestNode; + + this.positionNode = source.positionNode; + + this.depthNode = source.depthNode; + this.shadowNode = source.shadowNode; + this.shadowPositionNode = source.shadowPositionNode; + + this.outputNode = source.outputNode; + + this.fragmentNode = source.fragmentNode; + this.vertexNode = source.vertexNode; + + return super.copy( source ); + + } + + static fromMaterial( material ) { + + if ( material.isNodeMaterial === true ) { // is already a node material + + return material; + + } + + const type = material.type.replace( 'Material', 'NodeMaterial' ); + + const nodeMaterial = createNodeMaterialFromType( type ); + + if ( nodeMaterial === undefined ) { + + throw new Error( `NodeMaterial: Material "${ material.type }" is not compatible.` ); + + } + + for ( const key in material ) { + + nodeMaterial[ key ] = material[ key ]; + + } + + return nodeMaterial; + + } + +} + +function addNodeMaterial( type, nodeMaterial ) { + + if ( typeof nodeMaterial !== 'function' || ! type ) throw new Error( `Node material ${ type } is not a class` ); + if ( NodeMaterials.has( type ) ) { + + console.warn( `Redefinition of node material ${ type }` ); + return; + + } + + NodeMaterials.set( type, nodeMaterial ); + nodeMaterial.type = type; + +} + +function createNodeMaterialFromType( type ) { + + const Material = NodeMaterials.get( type ); + + if ( Material !== undefined ) { + + return new Material(); + + } + +} + +addNodeMaterial( 'NodeMaterial', NodeMaterial ); + +class Uniform { + + constructor( name, value ) { + + this.name = name; + this.value = value; + + this.boundary = 0; // used to build the uniform buffer according to the STD140 layout + this.itemSize = 0; + + this.offset = 0; // this property is set by WebGPUUniformsGroup and marks the start position in the uniform buffer + + } + + setValue( value ) { + + this.value = value; + + } + + getValue() { + + return this.value; + + } + +} + +class NumberUniform extends Uniform { + + constructor( name, value = 0 ) { + + super( name, value ); + + this.isNumberUniform = true; + + this.boundary = 4; + this.itemSize = 1; + + } + +} + +class Vector2Uniform extends Uniform { + + constructor( name, value = new Vector2() ) { + + super( name, value ); + + this.isVector2Uniform = true; + + this.boundary = 8; + this.itemSize = 2; + + } + +} + +class Vector3Uniform extends Uniform { + + constructor( name, value = new Vector3() ) { + + super( name, value ); + + this.isVector3Uniform = true; + + this.boundary = 16; + this.itemSize = 3; + + } + +} + +class Vector4Uniform extends Uniform { + + constructor( name, value = new Vector4() ) { + + super( name, value ); + + this.isVector4Uniform = true; + + this.boundary = 16; + this.itemSize = 4; + + } + +} + +class ColorUniform extends Uniform { + + constructor( name, value = new Color() ) { + + super( name, value ); + + this.isColorUniform = true; + + this.boundary = 16; + this.itemSize = 3; + + } + +} + +class Matrix3Uniform extends Uniform { + + constructor( name, value = new Matrix3() ) { + + super( name, value ); + + this.isMatrix3Uniform = true; + + this.boundary = 48; + this.itemSize = 12; + + } + +} + +class Matrix4Uniform extends Uniform { + + constructor( name, value = new Matrix4() ) { + + super( name, value ); + + this.isMatrix4Uniform = true; + + this.boundary = 64; + this.itemSize = 16; + + } + +} + +class NumberNodeUniform extends NumberUniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class Vector2NodeUniform extends Vector2Uniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class Vector3NodeUniform extends Vector3Uniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class Vector4NodeUniform extends Vector4Uniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class ColorNodeUniform extends ColorUniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class Matrix3NodeUniform extends Matrix3Uniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class Matrix4NodeUniform extends Matrix4Uniform { + + constructor( nodeUniform ) { + + super( nodeUniform.name, nodeUniform.value ); + + this.nodeUniform = nodeUniform; + + } + + getValue() { + + return this.nodeUniform.value; + + } + +} + +class StackNode extends Node { + + constructor( parent = null ) { + + super(); + + this.nodes = []; + this.outputNode = null; + + this.parent = parent; + + this._currentCond = null; + + this.isStackNode = true; + + } + + getNodeType( builder ) { + + return this.outputNode ? this.outputNode.getNodeType( builder ) : 'void'; + + } + + add( node ) { + + this.nodes.push( node ); + + return this; + + } + + if( boolNode, method ) { + + const methodNode = new ShaderNode( method ); + this._currentCond = cond( boolNode, methodNode ); + + return this.add( this._currentCond ); + + } + + elseif( boolNode, method ) { + + const methodNode = new ShaderNode( method ); + const ifNode = cond( boolNode, methodNode ); + + this._currentCond.elseNode = ifNode; + this._currentCond = ifNode; + + return this; + + } + + else( method ) { + + this._currentCond.elseNode = new ShaderNode( method ); + + return this; + + } + + build( builder, ...params ) { + + const previousStack = getCurrentStack(); + + setCurrentStack( this ); + + for ( const node of this.nodes ) { + + node.build( builder, 'void' ); + + } + + setCurrentStack( previousStack ); + + return this.outputNode ? this.outputNode.build( builder, ...params ) : super.build( builder, ...params ); + + } + +} + +const stack = nodeProxy( StackNode ); + +addNodeClass( 'StackNode', StackNode ); + +class EquirectUVNode extends TempNode { + + constructor( dirNode = positionWorldDirection ) { + + super( 'vec2' ); + + this.dirNode = dirNode; + + } + + setup() { + + const dir = this.dirNode; + + const u = dir.z.atan2( dir.x ).mul( 1 / ( Math.PI * 2 ) ).add( 0.5 ); + const v = dir.y.clamp( - 1.0, 1.0 ).asin().mul( 1 / Math.PI ).add( 0.5 ); + + return vec2( u, v ); + + } + +} + +const equirectUV = nodeProxy( EquirectUVNode ); + +addNodeClass( 'EquirectUVNode', EquirectUVNode ); + +// @TODO: Consider rename WebGLCubeRenderTarget to just CubeRenderTarget + +class CubeRenderTarget extends WebGLCubeRenderTarget { + + constructor( size = 1, options = {} ) { + + super( size, options ); + + this.isCubeRenderTarget = true; + + } + + fromEquirectangularTexture( renderer, texture$1 ) { + + const currentMinFilter = texture$1.minFilter; + const currentGenerateMipmaps = texture$1.generateMipmaps; + + texture$1.generateMipmaps = true; + + this.texture.type = texture$1.type; + this.texture.colorSpace = texture$1.colorSpace; + + this.texture.generateMipmaps = texture$1.generateMipmaps; + this.texture.minFilter = texture$1.minFilter; + this.texture.magFilter = texture$1.magFilter; + + const geometry = new BoxGeometry( 5, 5, 5 ); + + const uvNode = equirectUV( positionWorldDirection ); + + const material = createNodeMaterialFromType( 'MeshBasicNodeMaterial' ); + material.colorNode = texture( texture$1, uvNode, 0 ); + material.side = BackSide; + material.blending = NoBlending; + + const mesh = new Mesh( geometry, material ); + + const scene = new Scene(); + scene.add( mesh ); + + // Avoid blurred poles + if ( texture$1.minFilter === LinearMipmapLinearFilter ) texture$1.minFilter = LinearFilter; + + const camera = new CubeCamera( 1, 10, this ); + camera.update( renderer, scene ); + + texture$1.minFilter = currentMinFilter; + texture$1.currentGenerateMipmaps = currentGenerateMipmaps; + + mesh.geometry.dispose(); + mesh.material.dispose(); + + return this; + + } + +} + +const LOD_MIN = 4; + +// The standard deviations (radians) associated with the extra mips. These are +// chosen to approximate a Trowbridge-Reitz distribution function times the +// geometric shadowing function. These sigma values squared must match the +// variance #defines in cube_uv_reflection_fragment.glsl.js. +const EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ]; + +// The maximum length of the blur for loop. Smaller sigmas will use fewer +// samples and exit early, but not recompile the shader. +const MAX_SAMPLES = 20; + +const _flatCamera = /*@__PURE__*/ new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); +const _cubeCamera = /*@__PURE__*/ new PerspectiveCamera( 90, 1 ); +const _clearColor$1 = /*@__PURE__*/ new Color(); +let _oldTarget = null; +let _oldActiveCubeFace = 0; +let _oldActiveMipmapLevel = 0; + +// Golden Ratio +const PHI = ( 1 + Math.sqrt( 5 ) ) / 2; +const INV_PHI = 1 / PHI; + +// Vertices of a dodecahedron (except the opposites, which represent the +// same axis), used as axis directions evenly spread on a sphere. +const _axisDirections = [ + /*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ), + /*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ), + /*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ), + /*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ), + /*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ), + /*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ), + /*@__PURE__*/ new Vector3( - 1, 1, - 1 ), + /*@__PURE__*/ new Vector3( 1, 1, - 1 ), + /*@__PURE__*/ new Vector3( - 1, 1, 1 ), + /*@__PURE__*/ new Vector3( 1, 1, 1 ) +]; + +// + +// WebGPU Face indices +const _faceLib = [ + 3, 1, 5, + 0, 4, 2 +]; + +const direction = getDirection( uv(), attribute( 'faceIndex' ) ).normalize(); +const outputDirection = vec3( direction.x, direction.y.negate(), direction.z ); + +/** + * This class generates a Prefiltered, Mipmapped Radiance Environment Map + * (PMREM) from a cubeMap environment texture. This allows different levels of + * blur to be quickly accessed based on material roughness. It is packed into a + * special CubeUV format that allows us to perform custom interpolation so that + * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap + * chain, it only goes down to the LOD_MIN level (above), and then creates extra + * even more filtered 'mips' at the same LOD_MIN resolution, associated with + * higher roughness levels. In this way we maintain resolution to smoothly + * interpolate diffuse lighting while limiting sampling computation. + * + * Paper: Fast, Accurate Image-Based Lighting + * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view +*/ + +class PMREMGenerator { + + constructor( renderer ) { + + this._renderer = renderer; + this._pingPongRenderTarget = null; + + this._lodMax = 0; + this._cubeSize = 0; + this._lodPlanes = []; + this._sizeLods = []; + this._sigmas = []; + this._lodMeshes = []; + + this._blurMaterial = null; + this._cubemapMaterial = null; + this._equirectMaterial = null; + this._backgroundBox = null; + + } + + /** + * Generates a PMREM from a supplied Scene, which can be faster than using an + * image if networking bandwidth is low. Optional sigma specifies a blur radius + * in radians to be applied to the scene before PMREM generation. Optional near + * and far planes ensure the scene is rendered in its entirety (the cubeCamera + * is placed at the origin). + */ + fromScene( scene, sigma = 0, near = 0.1, far = 100 ) { + + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + + this._setSize( 256 ); + + const cubeUVRenderTarget = this._allocateTargets(); + cubeUVRenderTarget.depthBuffer = true; + + this._sceneToCubeUV( scene, near, far, cubeUVRenderTarget ); + + if ( sigma > 0 ) { + + this._blur( cubeUVRenderTarget, 0, 0, sigma ); + + } + + this._applyPMREM( cubeUVRenderTarget ); + + this._cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + } + + /** + * Generates a PMREM from an equirectangular texture, which can be either LDR + * or HDR. The ideal input image size is 1k (1024 x 512), + * as this matches best with the 256 x 256 cubemap output. + */ + fromEquirectangular( equirectangular, renderTarget = null ) { + + return this._fromTexture( equirectangular, renderTarget ); + + } + + /** + * Generates a PMREM from an cubemap texture, which can be either LDR + * or HDR. The ideal input cube size is 256 x 256, + * as this matches best with the 256 x 256 cubemap output. + */ + fromCubemap( cubemap, renderTarget = null ) { + + return this._fromTexture( cubemap, renderTarget ); + + } + + /** + * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileCubemapShader() { + + if ( this._cubemapMaterial === null ) { + + this._cubemapMaterial = _getCubemapMaterial(); + this._compileMaterial( this._cubemapMaterial ); + + } + + } + + /** + * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileEquirectangularShader() { + + if ( this._equirectMaterial === null ) { + + this._equirectMaterial = _getEquirectMaterial(); + this._compileMaterial( this._equirectMaterial ); + + } + + } + + /** + * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class, + * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on + * one of them will cause any others to also become unusable. + */ + dispose() { + + this._dispose(); + + if ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose(); + if ( this._equirectMaterial !== null ) this._equirectMaterial.dispose(); + if ( this._backgroundBox !== null ) { + + this._backgroundBox.geometry.dispose(); + this._backgroundBox.material.dispose(); + + } + + } + + // private interface + + _setSize( cubeSize ) { + + this._lodMax = Math.floor( Math.log2( cubeSize ) ); + this._cubeSize = Math.pow( 2, this._lodMax ); + + } + + _dispose() { + + if ( this._blurMaterial !== null ) this._blurMaterial.dispose(); + + if ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose(); + + for ( let i = 0; i < this._lodPlanes.length; i ++ ) { + + this._lodPlanes[ i ].dispose(); + + } + + } + + _cleanup( outputTarget ) { + + this._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel ); + outputTarget.scissorTest = false; + _setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height ); + + } + + _fromTexture( texture, renderTarget ) { + + if ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) { + + this._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) ); + + } else { // Equirectangular + + this._setSize( texture.image.width / 4 ); + + } + + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + + const cubeUVRenderTarget = renderTarget || this._allocateTargets(); + this._textureToCubeUV( texture, cubeUVRenderTarget ); + this._applyPMREM( cubeUVRenderTarget ); + this._cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + } + + _allocateTargets() { + + const width = 3 * Math.max( this._cubeSize, 16 * 7 ); + const height = 4 * this._cubeSize; + + const params = { + magFilter: LinearFilter, + minFilter: LinearFilter, + generateMipmaps: false, + type: HalfFloatType, + format: RGBAFormat, + colorSpace: LinearSRGBColorSpace, + //depthBuffer: false + }; + + const cubeUVRenderTarget = _createRenderTarget( width, height, params ); + + if ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) { + + if ( this._pingPongRenderTarget !== null ) { + + this._dispose(); + + } + + this._pingPongRenderTarget = _createRenderTarget( width, height, params ); + + const { _lodMax } = this; + ( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas, lodMeshes: this._lodMeshes } = _createPlanes( _lodMax ) ); + + this._blurMaterial = _getBlurShader( _lodMax, width, height ); + + } + + return cubeUVRenderTarget; + + } + + _compileMaterial( material ) { + + const tmpMesh = this._lodMeshes[ 0 ]; + tmpMesh.material = material; + + this._renderer.compile( tmpMesh, _flatCamera ); + + } + + _sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) { + + const cubeCamera = _cubeCamera; + cubeCamera.near = near; + cubeCamera.far = far; + + // px, py, pz, nx, ny, nz + const upSign = [ - 1, 1, - 1, - 1, - 1, - 1 ]; + const forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ]; + + const renderer = this._renderer; + + const originalAutoClear = renderer.autoClear; + + renderer.getClearColor( _clearColor$1 ); + + renderer.autoClear = false; + + let backgroundBox = this._backgroundBox; + + if ( backgroundBox === null ) { + + const backgroundMaterial = new MeshBasicMaterial( { + name: 'PMREM.Background', + side: BackSide, + depthWrite: false, + depthTest: false + } ); + + backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial ); + + } + + let useSolidColor = false; + const background = scene.background; + + if ( background ) { + + if ( background.isColor ) { + + backgroundBox.material.color.copy( background ); + scene.background = null; + useSolidColor = true; + + } + + } else { + + backgroundBox.material.color.copy( _clearColor$1 ); + useSolidColor = true; + + } + + renderer.setRenderTarget( cubeUVRenderTarget ); + + renderer.clear(); + + if ( useSolidColor ) { + + renderer.render( backgroundBox, cubeCamera ); + + } + + for ( let i = 0; i < 6; i ++ ) { + + const col = i % 3; + + if ( col === 0 ) { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( forwardSign[ i ], 0, 0 ); + + } else if ( col === 1 ) { + + cubeCamera.up.set( 0, 0, upSign[ i ] ); + cubeCamera.lookAt( 0, forwardSign[ i ], 0 ); + + } else { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( 0, 0, forwardSign[ i ] ); + + } + + const size = this._cubeSize; + + _setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size ); + + renderer.render( scene, cubeCamera ); + + } + + renderer.autoClear = originalAutoClear; + scene.background = background; + + } + + _textureToCubeUV( texture, cubeUVRenderTarget ) { + + const renderer = this._renderer; + + const isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ); + + if ( isCubeTexture ) { + + if ( this._cubemapMaterial === null ) { + + this._cubemapMaterial = _getCubemapMaterial( texture ); + + } + + } else { + + if ( this._equirectMaterial === null ) { + + this._equirectMaterial = _getEquirectMaterial( texture ); + + } + + } + + const material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial; + material.fragmentNode.value = texture; + + const mesh = this._lodMeshes[ 0 ]; + mesh.material = material; + + const size = this._cubeSize; + + _setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size ); + + renderer.setRenderTarget( cubeUVRenderTarget ); + renderer.render( mesh, _flatCamera ); + + } + + _applyPMREM( cubeUVRenderTarget ) { + + const renderer = this._renderer; + const autoClear = renderer.autoClear; + renderer.autoClear = false; + const n = this._lodPlanes.length; + + for ( let i = 1; i < n; i ++ ) { + + const sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] ); + + const poleAxis = _axisDirections[ ( n - i - 1 ) % _axisDirections.length ]; + + this._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis ); + + } + + renderer.autoClear = autoClear; + + } + + /** + * This is a two-pass Gaussian blur for a cubemap. Normally this is done + * vertically and horizontally, but this breaks down on a cube. Here we apply + * the blur latitudinally (around the poles), and then longitudinally (towards + * the poles) to approximate the orthogonally-separable blur. It is least + * accurate at the poles, but still does a decent job. + */ + _blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) { + + const pingPongRenderTarget = this._pingPongRenderTarget; + + this._halfBlur( + cubeUVRenderTarget, + pingPongRenderTarget, + lodIn, + lodOut, + sigma, + 'latitudinal', + poleAxis ); + + this._halfBlur( + pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + 'longitudinal', + poleAxis ); + + } + + _halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) { + + const renderer = this._renderer; + const blurMaterial = this._blurMaterial; + + if ( direction !== 'latitudinal' && direction !== 'longitudinal' ) { + + console.error( 'blur direction must be either latitudinal or longitudinal!' ); + + } + + // Number of standard deviations at which to cut off the discrete approximation. + const STANDARD_DEVIATIONS = 3; + + const blurMesh = this._lodMeshes[ lodOut ]; + blurMesh.material = blurMaterial; + + const blurUniforms = blurMaterial.uniforms; + + const pixels = this._sizeLods[ lodIn ] - 1; + const radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 ); + const sigmaPixels = sigmaRadians / radiansPerPixel; + const samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES; + + if ( samples > MAX_SAMPLES ) { + + console.warn( `sigmaRadians, ${ + sigmaRadians}, is too large and will clip, as it requested ${ + samples} samples when the maximum is set to ${MAX_SAMPLES}` ); + + } + + const weights = []; + let sum = 0; + + for ( let i = 0; i < MAX_SAMPLES; ++ i ) { + + const x = i / sigmaPixels; + const weight = Math.exp( - x * x / 2 ); + weights.push( weight ); + + if ( i === 0 ) { + + sum += weight; + + } else if ( i < samples ) { + + sum += 2 * weight; + + } + + } + + for ( let i = 0; i < weights.length; i ++ ) { + + weights[ i ] = weights[ i ] / sum; + + } + + targetIn.texture.frame = ( targetIn.texture.frame || 0 ) + 1; + + blurUniforms.envMap.value = targetIn.texture; + blurUniforms.samples.value = samples; + blurUniforms.weights.array = weights; + blurUniforms.latitudinal.value = direction === 'latitudinal' ? 1 : 0; + + if ( poleAxis ) { + + blurUniforms.poleAxis.value = poleAxis; + + } + + const { _lodMax } = this; + blurUniforms.dTheta.value = radiansPerPixel; + blurUniforms.mipInt.value = _lodMax - lodIn; + + const outputSize = this._sizeLods[ lodOut ]; + const x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 ); + const y = 4 * ( this._cubeSize - outputSize ); + + _setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize ); + renderer.setRenderTarget( targetOut ); + renderer.render( blurMesh, _flatCamera ); + + } + +} + +function _createPlanes( lodMax ) { + + const lodPlanes = []; + const sizeLods = []; + const sigmas = []; + const lodMeshes = []; + + let lod = lodMax; + + const totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; + + for ( let i = 0; i < totalLods; i ++ ) { + + const sizeLod = Math.pow( 2, lod ); + sizeLods.push( sizeLod ); + let sigma = 1.0 / sizeLod; + + if ( i > lodMax - LOD_MIN ) { + + sigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ]; + + } else if ( i === 0 ) { + + sigma = 0; + + } + + sigmas.push( sigma ); + + const texelSize = 1.0 / ( sizeLod - 2 ); + const min = - texelSize; + const max = 1 + texelSize; + const uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ]; + + const cubeFaces = 6; + const vertices = 6; + const positionSize = 3; + const uvSize = 2; + const faceIndexSize = 1; + + const position = new Float32Array( positionSize * vertices * cubeFaces ); + const uv = new Float32Array( uvSize * vertices * cubeFaces ); + const faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces ); + + for ( let face = 0; face < cubeFaces; face ++ ) { + + const x = ( face % 3 ) * 2 / 3 - 1; + const y = face > 2 ? 0 : - 1; + const coordinates = [ + x, y, 0, + x + 2 / 3, y, 0, + x + 2 / 3, y + 1, 0, + x, y, 0, + x + 2 / 3, y + 1, 0, + x, y + 1, 0 + ]; + + const faceIdx = _faceLib[ face ]; + position.set( coordinates, positionSize * vertices * faceIdx ); + uv.set( uv1, uvSize * vertices * faceIdx ); + const fill = [ faceIdx, faceIdx, faceIdx, faceIdx, faceIdx, faceIdx ]; + faceIndex.set( fill, faceIndexSize * vertices * faceIdx ); + + } + + const planes = new BufferGeometry(); + planes.setAttribute( 'position', new BufferAttribute( position, positionSize ) ); + planes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) ); + planes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) ); + lodPlanes.push( planes ); + lodMeshes.push( new Mesh( planes, null ) ); + + if ( lod > LOD_MIN ) { + + lod --; + + } + + } + + return { lodPlanes, sizeLods, sigmas, lodMeshes }; + +} + +function _createRenderTarget( width, height, params ) { + + const cubeUVRenderTarget = new RenderTarget( width, height, params ); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = 'PMREM.cubeUv'; + cubeUVRenderTarget.texture.isPMREMTexture = true; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; + +} + +function _setViewport( target, x, y, width, height ) { + + const viewY = target.height - height - y; + + target.viewport.set( x, viewY, width, height ); + target.scissor.set( x, viewY, width, height ); + +} + +function _getMaterial() { + + const material = new NodeMaterial(); + material.depthTest = false; + material.depthWrite = false; + material.blending = NoBlending; + + return material; + +} + +function _getBlurShader( lodMax, width, height ) { + + const weights = uniforms( new Array( MAX_SAMPLES ).fill( 0 ) ); + const poleAxis = uniform( new Vector3( 0, 1, 0 ) ); + const dTheta = uniform( 0 ); + const n = float( MAX_SAMPLES ); + const latitudinal = uniform( 0 ); // false, bool + const samples = uniform( 1 ); // int + const envMap = texture( null ); + const mipInt = uniform( 0 ); // int + const CUBEUV_TEXEL_WIDTH = float( 1 / width ); + const CUBEUV_TEXEL_HEIGHT = float( 1 / height ); + const CUBEUV_MAX_MIP = float( lodMax ); + + const materialUniforms = { + n, + latitudinal, + weights, + poleAxis, + outputDirection, + dTheta, + samples, + envMap, + mipInt, + CUBEUV_TEXEL_WIDTH, + CUBEUV_TEXEL_HEIGHT, + CUBEUV_MAX_MIP + }; + + const material = _getMaterial(); + material.uniforms = materialUniforms; // TODO: Move to outside of the material + material.fragmentNode = blur( { ...materialUniforms, latitudinal: latitudinal.equal( 1 ) } ); + + return material; + +} + +function _getCubemapMaterial( envTexture ) { + + const material = _getMaterial(); + material.fragmentNode = cubeTexture( envTexture, outputDirection ); + + return material; + +} + +function _getEquirectMaterial( envTexture ) { + + const material = _getMaterial(); + material.fragmentNode = texture( envTexture, equirectUV( outputDirection ), 0 ); + + return material; + +} + +let _id$3 = 0; + +class BindGroup { + + constructor( name = '', bindings = [] ) { + + this.name = name; + this.bindings = bindings; + + this.id = _id$3 ++; + + } + +} + +const rendererCache = new WeakMap(); + +const typeFromLength = new Map( [ + [ 2, 'vec2' ], + [ 3, 'vec3' ], + [ 4, 'vec4' ], + [ 9, 'mat3' ], + [ 16, 'mat4' ] +] ); + +const typeFromArray = new Map( [ + [ Int8Array, 'int' ], + [ Int16Array, 'int' ], + [ Int32Array, 'int' ], + [ Uint8Array, 'uint' ], + [ Uint16Array, 'uint' ], + [ Uint32Array, 'uint' ], + [ Float32Array, 'float' ] +] ); + +const toFloat = ( value ) => { + + value = Number( value ); + + return value + ( value % 1 ? '' : '.0' ); + +}; + +class NodeBuilder { + + constructor( object, renderer, parser ) { + + this.object = object; + this.material = ( object && object.material ) || null; + this.geometry = ( object && object.geometry ) || null; + this.renderer = renderer; + this.parser = parser; + this.scene = null; + this.camera = null; + + this.nodes = []; + this.updateNodes = []; + this.updateBeforeNodes = []; + this.updateAfterNodes = []; + this.hashNodes = {}; + + this.lightsNode = null; + this.environmentNode = null; + this.fogNode = null; + + this.clippingContext = null; + + this.vertexShader = null; + this.fragmentShader = null; + this.computeShader = null; + + this.flowNodes = { vertex: [], fragment: [], compute: [] }; + this.flowCode = { vertex: '', fragment: '', compute: '' }; + this.uniforms = { vertex: [], fragment: [], compute: [], index: 0 }; + this.structs = { vertex: [], fragment: [], compute: [], index: 0 }; + this.bindings = { vertex: {}, fragment: {}, compute: {} }; + this.bindingsIndexes = {}; + this.bindGroups = null; + this.attributes = []; + this.bufferAttributes = []; + this.varyings = []; + this.codes = {}; + this.vars = {}; + this.flow = { code: '' }; + this.chaining = []; + this.stack = stack(); + this.stacks = []; + this.tab = '\t'; + + this.instanceBindGroups = true; + + this.currentFunctionNode = null; + + this.context = { + keywords: new NodeKeywords(), + material: this.material + }; + + this.cache = new NodeCache(); + this.globalCache = this.cache; + + this.flowsData = new WeakMap(); + + this.shaderStage = null; + this.buildStage = null; + + } + + getBingGroupsCache() { + + let bindGroupsCache = rendererCache.get( this.renderer ); + + if ( bindGroupsCache === undefined ) { + + bindGroupsCache = new ChainMap(); + + rendererCache.set( this.renderer, bindGroupsCache ); + + } + + return bindGroupsCache; + + } + + createRenderTarget( width, height, options ) { + + return new RenderTarget( width, height, options ); + + } + + createCubeRenderTarget( size, options ) { + + return new CubeRenderTarget( size, options ); + + } + + createPMREMGenerator() { + + // TODO: Move Materials.js to outside of the Nodes.js in order to remove this function and improve tree-shaking support + + return new PMREMGenerator( this.renderer ); + + } + + includes( node ) { + + return this.nodes.includes( node ); + + } + + _getBindGroup( groupName, bindings ) { + + const bindGroupsCache = this.getBingGroupsCache(); + + // cache individual uniforms group + + const bindingsArray = []; + + let sharedGroup = true; + + for ( const binding of bindings ) { + + if ( binding.groupNode.shared === true ) { + + // nodes is the chainmap key + const nodes = binding.getNodes(); + + let sharedBinding = bindGroupsCache.get( nodes ); + + if ( sharedBinding === undefined ) { + + bindGroupsCache.set( nodes, binding ); + + sharedBinding = binding; + + } + + bindingsArray.push( sharedBinding ); + + } else { + + bindingsArray.push( binding ); + + sharedGroup = false; + + } + + } + + // + + let bindGroup; + + if ( sharedGroup ) { + + bindGroup = bindGroupsCache.get( bindingsArray ); + + if ( bindGroup === undefined ) { + + bindGroup = new BindGroup( groupName, bindingsArray ); + bindGroupsCache.set( bindingsArray, bindGroup ); + + } + + } else { + + bindGroup = new BindGroup( groupName, bindingsArray ); + + } + + return bindGroup; + + } + + getBindGroupArray( groupName, shaderStage ) { + + const bindings = this.bindings[ shaderStage ]; + + let bindGroup = bindings[ groupName ]; + + if ( bindGroup === undefined ) { + + if ( this.bindingsIndexes[ groupName ] === undefined ) { + + this.bindingsIndexes[ groupName ] = { binding: 0, group: Object.keys( this.bindingsIndexes ).length }; + + } + + bindings[ groupName ] = bindGroup = []; + + } + + return bindGroup; + + } + + getBindings() { + + let bindingsGroups = this.bindGroups; + + if ( bindingsGroups === null ) { + + const groups = {}; + const bindings = this.bindings; + + for ( const shaderStage of shaderStages ) { + + for ( const groupName in bindings[ shaderStage ] ) { + + const uniforms = bindings[ shaderStage ][ groupName ]; + + const groupUniforms = groups[ groupName ] || ( groups[ groupName ] = [] ); + groupUniforms.push( ...uniforms ); + + } + + } + + bindingsGroups = []; + + for ( const groupName in groups ) { + + const group = groups[ groupName ]; + + const bindingsGroup = this._getBindGroup( groupName, group ); + + bindingsGroups.push( bindingsGroup ); + + } + + this.bindGroups = bindingsGroups; + + } + + return bindingsGroups; + + } + + setHashNode( node, hash ) { + + this.hashNodes[ hash ] = node; + + } + + addNode( node ) { + + if ( this.nodes.includes( node ) === false ) { + + this.nodes.push( node ); + + this.setHashNode( node, node.getHash( this ) ); + + } + + } + + buildUpdateNodes() { + + for ( const node of this.nodes ) { + + const updateType = node.getUpdateType(); + const updateBeforeType = node.getUpdateBeforeType(); + const updateAfterType = node.getUpdateAfterType(); + + if ( updateType !== NodeUpdateType.NONE ) { + + this.updateNodes.push( node.getSelf() ); + + } + + if ( updateBeforeType !== NodeUpdateType.NONE ) { + + this.updateBeforeNodes.push( node ); + + } + + if ( updateAfterType !== NodeUpdateType.NONE ) { + + this.updateAfterNodes.push( node ); + + } + + } + + } + + get currentNode() { + + return this.chaining[ this.chaining.length - 1 ]; + + } + + isFilteredTexture( texture ) { + + return ( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter || + texture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ); + + } + + addChain( node ) { + + /* + if ( this.chaining.indexOf( node ) !== - 1 ) { + + console.warn( 'Recursive node: ', node ); + + } + */ + + this.chaining.push( node ); + + } + + removeChain( node ) { + + const lastChain = this.chaining.pop(); + + if ( lastChain !== node ) { + + throw new Error( 'NodeBuilder: Invalid node chaining!' ); + + } + + } + + getMethod( method ) { + + return method; + + } + + getNodeFromHash( hash ) { + + return this.hashNodes[ hash ]; + + } + + addFlow( shaderStage, node ) { + + this.flowNodes[ shaderStage ].push( node ); + + return node; + + } + + setContext( context ) { + + this.context = context; + + } + + getContext() { + + return this.context; + + } + + setCache( cache ) { + + this.cache = cache; + + } + + getCache() { + + return this.cache; + + } + + getCacheFromNode( node, parent = true ) { + + const data = this.getDataFromNode( node ); + if ( data.cache === undefined ) data.cache = new NodeCache( parent ? this.getCache() : null ); + + return data.cache; + + } + + isAvailable( /*name*/ ) { + + return false; + + } + + getVertexIndex() { + + console.warn( 'Abstract function.' ); + + } + + getInstanceIndex() { + + console.warn( 'Abstract function.' ); + + } + + getDrawIndex() { + + console.warn( 'Abstract function.' ); + + } + + getFrontFacing() { + + console.warn( 'Abstract function.' ); + + } + + getFragCoord() { + + console.warn( 'Abstract function.' ); + + } + + isFlipY() { + + return false; + + } + + generateTexture( /* texture, textureProperty, uvSnippet */ ) { + + console.warn( 'Abstract function.' ); + + } + + generateTextureLod( /* texture, textureProperty, uvSnippet, levelSnippet */ ) { + + console.warn( 'Abstract function.' ); + + } + + generateConst( type, value = null ) { + + if ( value === null ) { + + if ( type === 'float' || type === 'int' || type === 'uint' ) value = 0; + else if ( type === 'bool' ) value = false; + else if ( type === 'color' ) value = new Color(); + else if ( type === 'vec2' ) value = new Vector2(); + else if ( type === 'vec3' ) value = new Vector3(); + else if ( type === 'vec4' ) value = new Vector4(); + + } + + if ( type === 'float' ) return toFloat( value ); + if ( type === 'int' ) return `${ Math.round( value ) }`; + if ( type === 'uint' ) return value >= 0 ? `${ Math.round( value ) }u` : '0u'; + if ( type === 'bool' ) return value ? 'true' : 'false'; + if ( type === 'color' ) return `${ this.getType( 'vec3' ) }( ${ toFloat( value.r ) }, ${ toFloat( value.g ) }, ${ toFloat( value.b ) } )`; + + const typeLength = this.getTypeLength( type ); + + const componentType = this.getComponentType( type ); + + const generateConst = value => this.generateConst( componentType, value ); + + if ( typeLength === 2 ) { + + return `${ this.getType( type ) }( ${ generateConst( value.x ) }, ${ generateConst( value.y ) } )`; + + } else if ( typeLength === 3 ) { + + return `${ this.getType( type ) }( ${ generateConst( value.x ) }, ${ generateConst( value.y ) }, ${ generateConst( value.z ) } )`; + + } else if ( typeLength === 4 ) { + + return `${ this.getType( type ) }( ${ generateConst( value.x ) }, ${ generateConst( value.y ) }, ${ generateConst( value.z ) }, ${ generateConst( value.w ) } )`; + + } else if ( typeLength > 4 && value && ( value.isMatrix3 || value.isMatrix4 ) ) { + + return `${ this.getType( type ) }( ${ value.elements.map( generateConst ).join( ', ' ) } )`; + + } else if ( typeLength > 4 ) { + + return `${ this.getType( type ) }()`; + + } + + throw new Error( `NodeBuilder: Type '${type}' not found in generate constant attempt.` ); + + } + + getType( type ) { + + if ( type === 'color' ) return 'vec3'; + + return type; + + } + + hasGeometryAttribute( name ) { + + return this.geometry && this.geometry.getAttribute( name ) !== undefined; + + } + + getAttribute( name, type ) { + + const attributes = this.attributes; + + // find attribute + + for ( const attribute of attributes ) { + + if ( attribute.name === name ) { + + return attribute; + + } + + } + + // create a new if no exist + + const attribute = new NodeAttribute( name, type ); + + attributes.push( attribute ); + + return attribute; + + } + + getPropertyName( node/*, shaderStage*/ ) { + + return node.name; + + } + + isVector( type ) { + + return /vec\d/.test( type ); + + } + + isMatrix( type ) { + + return /mat\d/.test( type ); + + } + + isReference( type ) { + + return type === 'void' || type === 'property' || type === 'sampler' || type === 'texture' || type === 'cubeTexture' || type === 'storageTexture' || type === 'depthTexture' || type === 'texture3D'; + + } + + needsColorSpaceToLinear( /*texture*/ ) { + + return false; + + } + + getComponentTypeFromTexture( texture ) { + + const type = texture.type; + + if ( texture.isDataTexture ) { + + if ( type === IntType ) return 'int'; + if ( type === UnsignedIntType ) return 'uint'; + + } + + return 'float'; + + } + + getElementType( type ) { + + if ( type === 'mat2' ) return 'vec2'; + if ( type === 'mat3' ) return 'vec3'; + if ( type === 'mat4' ) return 'vec4'; + + return this.getComponentType( type ); + + } + + getComponentType( type ) { + + type = this.getVectorType( type ); + + if ( type === 'float' || type === 'bool' || type === 'int' || type === 'uint' ) return type; + + const componentType = /(b|i|u|)(vec|mat)([2-4])/.exec( type ); + + if ( componentType === null ) return null; + + if ( componentType[ 1 ] === 'b' ) return 'bool'; + if ( componentType[ 1 ] === 'i' ) return 'int'; + if ( componentType[ 1 ] === 'u' ) return 'uint'; + + return 'float'; + + } + + getVectorType( type ) { + + if ( type === 'color' ) return 'vec3'; + if ( type === 'texture' || type === 'cubeTexture' || type === 'storageTexture' || type === 'texture3D' ) return 'vec4'; + + return type; + + } + + getTypeFromLength( length, componentType = 'float' ) { + + if ( length === 1 ) return componentType; + + const baseType = typeFromLength.get( length ); + const prefix = componentType === 'float' ? '' : componentType[ 0 ]; + + return prefix + baseType; + + } + + getTypeFromArray( array ) { + + return typeFromArray.get( array.constructor ); + + } + + getTypeFromAttribute( attribute ) { + + let dataAttribute = attribute; + + if ( attribute.isInterleavedBufferAttribute ) dataAttribute = attribute.data; + + const array = dataAttribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + + let arrayType; + + if ( ! ( attribute instanceof Float16BufferAttribute ) && normalized !== true ) { + + arrayType = this.getTypeFromArray( array ); + + } + + return this.getTypeFromLength( itemSize, arrayType ); + + } + + getTypeLength( type ) { + + const vecType = this.getVectorType( type ); + const vecNum = /vec([2-4])/.exec( vecType ); + + if ( vecNum !== null ) return Number( vecNum[ 1 ] ); + if ( vecType === 'float' || vecType === 'bool' || vecType === 'int' || vecType === 'uint' ) return 1; + if ( /mat2/.test( type ) === true ) return 4; + if ( /mat3/.test( type ) === true ) return 9; + if ( /mat4/.test( type ) === true ) return 16; + + return 0; + + } + + getVectorFromMatrix( type ) { + + return type.replace( 'mat', 'vec' ); + + } + + changeComponentType( type, newComponentType ) { + + return this.getTypeFromLength( this.getTypeLength( type ), newComponentType ); + + } + + getIntegerType( type ) { + + const componentType = this.getComponentType( type ); + + if ( componentType === 'int' || componentType === 'uint' ) return type; + + return this.changeComponentType( type, 'int' ); + + } + + addStack() { + + this.stack = stack( this.stack ); + + this.stacks.push( getCurrentStack() || this.stack ); + setCurrentStack( this.stack ); + + return this.stack; + + } + + removeStack() { + + const lastStack = this.stack; + this.stack = lastStack.parent; + + setCurrentStack( this.stacks.pop() ); + + return lastStack; + + } + + getDataFromNode( node, shaderStage = this.shaderStage, cache = null ) { + + cache = cache === null ? ( node.isGlobal( this ) ? this.globalCache : this.cache ) : cache; + + let nodeData = cache.getData( node ); + + if ( nodeData === undefined ) { + + nodeData = {}; + + cache.setData( node, nodeData ); + + } + + if ( nodeData[ shaderStage ] === undefined ) nodeData[ shaderStage ] = {}; + + return nodeData[ shaderStage ]; + + } + + getNodeProperties( node, shaderStage = 'any' ) { + + const nodeData = this.getDataFromNode( node, shaderStage ); + + return nodeData.properties || ( nodeData.properties = { outputNode: null } ); + + } + + getBufferAttributeFromNode( node, type ) { + + const nodeData = this.getDataFromNode( node ); + + let bufferAttribute = nodeData.bufferAttribute; + + if ( bufferAttribute === undefined ) { + + const index = this.uniforms.index ++; + + bufferAttribute = new NodeAttribute( 'nodeAttribute' + index, type, node ); + + this.bufferAttributes.push( bufferAttribute ); + + nodeData.bufferAttribute = bufferAttribute; + + } + + return bufferAttribute; + + } + + getStructTypeFromNode( node, shaderStage = this.shaderStage ) { + + const nodeData = this.getDataFromNode( node, shaderStage ); + + if ( nodeData.structType === undefined ) { + + const index = this.structs.index ++; + + node.name = `StructType${ index }`; + this.structs[ shaderStage ].push( node ); + + nodeData.structType = node; + + } + + return node; + + } + + getUniformFromNode( node, type, shaderStage = this.shaderStage, name = null ) { + + const nodeData = this.getDataFromNode( node, shaderStage, this.globalCache ); + + let nodeUniform = nodeData.uniform; + + if ( nodeUniform === undefined ) { + + const index = this.uniforms.index ++; + + nodeUniform = new NodeUniform( name || ( 'nodeUniform' + index ), type, node ); + + this.uniforms[ shaderStage ].push( nodeUniform ); + + nodeData.uniform = nodeUniform; + + } + + return nodeUniform; + + } + + getVarFromNode( node, name = null, type = node.getNodeType( this ), shaderStage = this.shaderStage ) { + + const nodeData = this.getDataFromNode( node, shaderStage ); + + let nodeVar = nodeData.variable; + + if ( nodeVar === undefined ) { + + const vars = this.vars[ shaderStage ] || ( this.vars[ shaderStage ] = [] ); + + if ( name === null ) name = 'nodeVar' + vars.length; + + nodeVar = new NodeVar( name, type ); + + vars.push( nodeVar ); + + nodeData.variable = nodeVar; + + } + + return nodeVar; + + } + + getVaryingFromNode( node, name = null, type = node.getNodeType( this ) ) { + + const nodeData = this.getDataFromNode( node, 'any' ); + + let nodeVarying = nodeData.varying; + + if ( nodeVarying === undefined ) { + + const varyings = this.varyings; + const index = varyings.length; + + if ( name === null ) name = 'nodeVarying' + index; + + nodeVarying = new NodeVarying( name, type ); + + varyings.push( nodeVarying ); + + nodeData.varying = nodeVarying; + + } + + return nodeVarying; + + } + + getCodeFromNode( node, type, shaderStage = this.shaderStage ) { + + const nodeData = this.getDataFromNode( node ); + + let nodeCode = nodeData.code; + + if ( nodeCode === undefined ) { + + const codes = this.codes[ shaderStage ] || ( this.codes[ shaderStage ] = [] ); + const index = codes.length; + + nodeCode = new NodeCode( 'nodeCode' + index, type ); + + codes.push( nodeCode ); + + nodeData.code = nodeCode; + + } + + return nodeCode; + + } + + addLineFlowCode( code ) { + + if ( code === '' ) return this; + + code = this.tab + code; + + if ( ! /;\s*$/.test( code ) ) { + + code = code + ';\n'; + + } + + this.flow.code += code; + + return this; + + } + + addFlowCode( code ) { + + this.flow.code += code; + + return this; + + } + + addFlowTab() { + + this.tab += '\t'; + + return this; + + } + + removeFlowTab() { + + this.tab = this.tab.slice( 0, - 1 ); + + return this; + + } + + getFlowData( node/*, shaderStage*/ ) { + + return this.flowsData.get( node ); + + } + + flowNode( node ) { + + const output = node.getNodeType( this ); + + const flowData = this.flowChildNode( node, output ); + + this.flowsData.set( node, flowData ); + + return flowData; + + } + + buildFunctionNode( shaderNode ) { + + const fn = new FunctionNode(); + + const previous = this.currentFunctionNode; + + this.currentFunctionNode = fn; + + fn.code = this.buildFunctionCode( shaderNode ); + + this.currentFunctionNode = previous; + + return fn; + + } + + flowShaderNode( shaderNode ) { + + const layout = shaderNode.layout; + + let inputs; + + if ( shaderNode.isArrayInput ) { + + inputs = []; + + for ( const input of layout.inputs ) { + + inputs.push( new ParameterNode( input.type, input.name ) ); + + } + + } else { + + inputs = {}; + + for ( const input of layout.inputs ) { + + inputs[ input.name ] = new ParameterNode( input.type, input.name ); + + } + + } + + // + + shaderNode.layout = null; + + const callNode = shaderNode.call( inputs ); + const flowData = this.flowStagesNode( callNode, layout.type ); + + shaderNode.layout = layout; + + return flowData; + + } + + flowStagesNode( node, output = null ) { + + const previousFlow = this.flow; + const previousVars = this.vars; + const previousCache = this.cache; + const previousBuildStage = this.buildStage; + const previousStack = this.stack; + + const flow = { + code: '' + }; + + this.flow = flow; + this.vars = {}; + this.cache = new NodeCache(); + this.stack = stack(); + + for ( const buildStage of defaultBuildStages ) { + + this.setBuildStage( buildStage ); + + flow.result = node.build( this, output ); + + } + + flow.vars = this.getVars( this.shaderStage ); + + this.flow = previousFlow; + this.vars = previousVars; + this.cache = previousCache; + this.stack = previousStack; + + this.setBuildStage( previousBuildStage ); + + return flow; + + } + + getFunctionOperator() { + + return null; + + } + + flowChildNode( node, output = null ) { + + const previousFlow = this.flow; + + const flow = { + code: '' + }; + + this.flow = flow; + + flow.result = node.build( this, output ); + + this.flow = previousFlow; + + return flow; + + } + + flowNodeFromShaderStage( shaderStage, node, output = null, propertyName = null ) { + + const previousShaderStage = this.shaderStage; + + this.setShaderStage( shaderStage ); + + const flowData = this.flowChildNode( node, output ); + + if ( propertyName !== null ) { + + flowData.code += `${ this.tab + propertyName } = ${ flowData.result };\n`; + + } + + this.flowCode[ shaderStage ] = this.flowCode[ shaderStage ] + flowData.code; + + this.setShaderStage( previousShaderStage ); + + return flowData; + + } + + getAttributesArray() { + + return this.attributes.concat( this.bufferAttributes ); + + } + + getAttributes( /*shaderStage*/ ) { + + console.warn( 'Abstract function.' ); + + } + + getVaryings( /*shaderStage*/ ) { + + console.warn( 'Abstract function.' ); + + } + + getVar( type, name ) { + + return `${ this.getType( type ) } ${ name }`; + + } + + getVars( shaderStage ) { + + let snippet = ''; + + const vars = this.vars[ shaderStage ]; + + if ( vars !== undefined ) { + + for ( const variable of vars ) { + + snippet += `${ this.getVar( variable.type, variable.name ) }; `; + + } + + } + + return snippet; + + } + + getUniforms( /*shaderStage*/ ) { + + console.warn( 'Abstract function.' ); + + } + + getCodes( shaderStage ) { + + const codes = this.codes[ shaderStage ]; + + let code = ''; + + if ( codes !== undefined ) { + + for ( const nodeCode of codes ) { + + code += nodeCode.code + '\n'; + + } + + } + + return code; + + } + + getHash() { + + return this.vertexShader + this.fragmentShader + this.computeShader; + + } + + setShaderStage( shaderStage ) { + + this.shaderStage = shaderStage; + + } + + getShaderStage() { + + return this.shaderStage; + + } + + setBuildStage( buildStage ) { + + this.buildStage = buildStage; + + } + + getBuildStage() { + + return this.buildStage; + + } + + buildCode() { + + console.warn( 'Abstract function.' ); + + } + + build() { + + const { object, material } = this; + + + if ( material !== null ) { + + NodeMaterial.fromMaterial( material ).build( this ); + + } else { + + this.addFlow( 'compute', object ); + + } + + // setup() -> stage 1: create possible new nodes and returns an output reference node + // analyze() -> stage 2: analyze nodes to possible optimization and validation + // generate() -> stage 3: generate shader + + for ( const buildStage of defaultBuildStages ) { + + this.setBuildStage( buildStage ); + + if ( this.context.vertex && this.context.vertex.isNode ) { + + this.flowNodeFromShaderStage( 'vertex', this.context.vertex ); + + } + + for ( const shaderStage of shaderStages ) { + + this.setShaderStage( shaderStage ); + + const flowNodes = this.flowNodes[ shaderStage ]; + + for ( const node of flowNodes ) { + + if ( buildStage === 'generate' ) { + + this.flowNode( node ); + + } else { + + node.build( this ); + + } + + } + + } + + } + + this.setBuildStage( null ); + this.setShaderStage( null ); + + // stage 4: build code for a specific output + + this.buildCode(); + this.buildUpdateNodes(); + + return this; + + } + + getNodeUniform( uniformNode, type ) { + + if ( type === 'float' || type === 'int' || type === 'uint' ) return new NumberNodeUniform( uniformNode ); + if ( type === 'vec2' || type === 'ivec2' || type === 'uvec2' ) return new Vector2NodeUniform( uniformNode ); + if ( type === 'vec3' || type === 'ivec3' || type === 'uvec3' ) return new Vector3NodeUniform( uniformNode ); + if ( type === 'vec4' || type === 'ivec4' || type === 'uvec4' ) return new Vector4NodeUniform( uniformNode ); + if ( type === 'color' ) return new ColorNodeUniform( uniformNode ); + if ( type === 'mat3' ) return new Matrix3NodeUniform( uniformNode ); + if ( type === 'mat4' ) return new Matrix4NodeUniform( uniformNode ); + + throw new Error( `Uniform "${type}" not declared.` ); + + } + + createNodeMaterial( type = 'NodeMaterial' ) { + + // TODO: Move Materials.js to outside of the Nodes.js in order to remove this function and improve tree-shaking support + + return createNodeMaterialFromType( type ); + + } + + format( snippet, fromType, toType ) { + + fromType = this.getVectorType( fromType ); + toType = this.getVectorType( toType ); + + if ( fromType === toType || toType === null || this.isReference( toType ) ) { + + return snippet; + + } + + const fromTypeLength = this.getTypeLength( fromType ); + const toTypeLength = this.getTypeLength( toType ); + + if ( fromTypeLength > 4 ) { // fromType is matrix-like + + // @TODO: ignore for now + + return snippet; + + } + + if ( toTypeLength > 4 || toTypeLength === 0 ) { // toType is matrix-like or unknown + + // @TODO: ignore for now + + return snippet; + + } + + if ( fromTypeLength === toTypeLength ) { + + return `${ this.getType( toType ) }( ${ snippet } )`; + + } + + if ( fromTypeLength > toTypeLength ) { + + return this.format( `${ snippet }.${ 'xyz'.slice( 0, toTypeLength ) }`, this.getTypeFromLength( toTypeLength, this.getComponentType( fromType ) ), toType ); + + } + + if ( toTypeLength === 4 && fromTypeLength > 1 ) { // toType is vec4-like + + return `${ this.getType( toType ) }( ${ this.format( snippet, fromType, 'vec3' ) }, 1.0 )`; + + } + + if ( fromTypeLength === 2 ) { // fromType is vec2-like and toType is vec3-like + + return `${ this.getType( toType ) }( ${ this.format( snippet, fromType, 'vec2' ) }, 0.0 )`; + + } + + if ( fromTypeLength === 1 && toTypeLength > 1 && fromType !== this.getComponentType( toType ) ) { // fromType is float-like + + // convert a number value to vector type, e.g: + // vec3( 1u ) -> vec3( float( 1u ) ) + + snippet = `${ this.getType( this.getComponentType( toType ) ) }( ${ snippet } )`; + + } + + return `${ this.getType( toType ) }( ${ snippet } )`; // fromType is float-like + + } + + getSignature() { + + return `// Three.js r${ REVISION } - Node System\n`; + + } + +} + +class NodeFrame { + + constructor() { + + this.time = 0; + this.deltaTime = 0; + + this.frameId = 0; + this.renderId = 0; + + this.startTime = null; + + this.updateMap = new WeakMap(); + this.updateBeforeMap = new WeakMap(); + this.updateAfterMap = new WeakMap(); + + this.renderer = null; + this.material = null; + this.camera = null; + this.object = null; + this.scene = null; + + } + + _getMaps( referenceMap, nodeRef ) { + + let maps = referenceMap.get( nodeRef ); + + if ( maps === undefined ) { + + maps = { + renderMap: new WeakMap(), + frameMap: new WeakMap() + }; + + referenceMap.set( nodeRef, maps ); + + } + + return maps; + + } + + updateBeforeNode( node ) { + + const updateType = node.getUpdateBeforeType(); + const reference = node.updateReference( this ); + + if ( updateType === NodeUpdateType.FRAME ) { + + const { frameMap } = this._getMaps( this.updateBeforeMap, reference ); + + if ( frameMap.get( reference ) !== this.frameId ) { + + if ( node.updateBefore( this ) !== false ) { + + frameMap.set( reference, this.frameId ); + + } + + } + + } else if ( updateType === NodeUpdateType.RENDER ) { + + const { renderMap } = this._getMaps( this.updateBeforeMap, reference ); + + if ( renderMap.get( reference ) !== this.renderId ) { + + if ( node.updateBefore( this ) !== false ) { + + renderMap.set( reference, this.renderId ); + + } + + } + + } else if ( updateType === NodeUpdateType.OBJECT ) { + + node.updateBefore( this ); + + } + + } + + updateAfterNode( node ) { + + const updateType = node.getUpdateAfterType(); + const reference = node.updateReference( this ); + + if ( updateType === NodeUpdateType.FRAME ) { + + const { frameMap } = this._getMaps( this.updateAfterMap, reference ); + + if ( frameMap.get( reference ) !== this.frameId ) { + + if ( node.updateAfter( this ) !== false ) { + + frameMap.set( reference, this.frameId ); + + } + + } + + } else if ( updateType === NodeUpdateType.RENDER ) { + + const { renderMap } = this._getMaps( this.updateAfterMap, reference ); + + if ( renderMap.get( reference ) !== this.renderId ) { + + if ( node.updateAfter( this ) !== false ) { + + renderMap.set( reference, this.renderId ); + + } + + } + + } else if ( updateType === NodeUpdateType.OBJECT ) { + + node.updateAfter( this ); + + } + + } + + updateNode( node ) { + + const updateType = node.getUpdateType(); + const reference = node.updateReference( this ); + + if ( updateType === NodeUpdateType.FRAME ) { + + const { frameMap } = this._getMaps( this.updateMap, reference ); + + if ( frameMap.get( reference ) !== this.frameId ) { + + if ( node.update( this ) !== false ) { + + frameMap.set( reference, this.frameId ); + + } + + } + + } else if ( updateType === NodeUpdateType.RENDER ) { + + const { renderMap } = this._getMaps( this.updateMap, reference ); + + if ( renderMap.get( reference ) !== this.renderId ) { + + if ( node.update( this ) !== false ) { + + renderMap.set( reference, this.renderId ); + + } + + } + + } else if ( updateType === NodeUpdateType.OBJECT ) { + + node.update( this ); + + } + + } + + update() { + + this.frameId ++; + + if ( this.lastTime === undefined ) this.lastTime = performance.now(); + + this.deltaTime = ( performance.now() - this.lastTime ) / 1000; + + this.lastTime = performance.now(); + + this.time += this.deltaTime; + + } + +} + +class NodeFunctionInput { + + constructor( type, name, count = null, qualifier = '', isConst = false ) { + + this.type = type; + this.name = name; + this.count = count; + this.qualifier = qualifier; + this.isConst = isConst; + + } + +} + +NodeFunctionInput.isNodeFunctionInput = true; + +class StructTypeNode extends Node { + + constructor( types ) { + + super(); + + this.types = types; + this.isStructTypeNode = true; + + } + + getMemberTypes() { + + return this.types; + + } + +} + +addNodeClass( 'StructTypeNode', StructTypeNode ); + +class OutputStructNode extends Node { + + constructor( ...members ) { + + super(); + + this.members = members; + + this.isOutputStructNode = true; + + } + + setup( builder ) { + + super.setup( builder ); + + const members = this.members; + const types = []; + + for ( let i = 0; i < members.length; i ++ ) { + + types.push( members[ i ].getNodeType( builder ) ); + + } + + this.nodeType = builder.getStructTypeFromNode( new StructTypeNode( types ) ).name; + + } + + generate( builder, output ) { + + const propertyName = builder.getOutputStructName(); + const members = this.members; + + const structPrefix = propertyName !== '' ? propertyName + '.' : ''; + + for ( let i = 0; i < members.length; i ++ ) { + + const snippet = members[ i ].build( builder, output ); + + builder.addLineFlowCode( `${ structPrefix }m${ i } = ${ snippet }` ); + + } + + return propertyName; + + } + +} + +const outputStruct = nodeProxy( OutputStructNode ); + +addNodeClass( 'OutputStructNode', OutputStructNode ); + +class HashNode extends Node { + + constructor( seedNode ) { + + super(); + + this.seedNode = seedNode; + + } + + setup( /*builder*/ ) { + + // Taken from https://www.shadertoy.com/view/XlGcRh, originally from pcg-random.org + + const state = this.seedNode.toUint().mul( 747796405 ).add( 2891336453 ); + const word = state.shiftRight( state.shiftRight( 28 ).add( 4 ) ).bitXor( state ).mul( 277803737 ); + const result = word.shiftRight( 22 ).bitXor( word ); + + return result.toFloat().mul( 1 / 2 ** 32 ); // Convert to range [0, 1) + + } + +} + +const hash = nodeProxy( HashNode ); + +addNodeElement( 'hash', hash ); + +addNodeClass( 'HashNode', HashNode ); + +// remapping functions https://iquilezles.org/articles/functions/ +const parabola = ( x, k ) => pow( mul( 4.0, x.mul( sub( 1.0, x ) ) ), k ); +const gain = ( x, k ) => x.lessThan( 0.5 ) ? parabola( x.mul( 2.0 ), k ).div( 2.0 ) : sub( 1.0, parabola( mul( sub( 1.0, x ), 2.0 ), k ).div( 2.0 ) ); +const pcurve = ( x, a, b ) => pow( div( pow( x, a ), add( pow( x, a ), pow( sub( 1.0, x ), b ) ) ), 1.0 / a ); +const sinc = ( x, k ) => sin( PI.mul( k.mul( x ).sub( 1.0 ) ) ).div( PI.mul( k.mul( x ).sub( 1.0 ) ) ); + + +addNodeElement( 'parabola', parabola ); +addNodeElement( 'gain', gain ); +addNodeElement( 'pcurve', pcurve ); +addNodeElement( 'sinc', sinc ); + +// https://github.com/cabbibo/glsl-tri-noise-3d + + +const tri = tslFn( ( [ x ] ) => { + + return x.fract().sub( .5 ).abs(); + +} ); + +const tri3 = tslFn( ( [ p ] ) => { + + return vec3( tri( p.z.add( tri( p.y.mul( 1. ) ) ) ), tri( p.z.add( tri( p.x.mul( 1. ) ) ) ), tri( p.y.add( tri( p.x.mul( 1. ) ) ) ) ); + +} ); + +const triNoise3D = tslFn( ( [ p_immutable, spd, time ] ) => { + + const p = vec3( p_immutable ).toVar(); + const z = float( 1.4 ).toVar(); + const rz = float( 0.0 ).toVar(); + const bp = vec3( p ).toVar(); + + loop( { start: float( 0.0 ), end: float( 3.0 ), type: 'float', condition: '<=' }, () => { + + const dg = vec3( tri3( bp.mul( 2.0 ) ) ).toVar(); + p.addAssign( dg.add( time.mul( float( 0.1 ).mul( spd ) ) ) ); + bp.mulAssign( 1.8 ); + z.mulAssign( 1.5 ); + p.mulAssign( 1.2 ); + + const t = float( tri( p.z.add( tri( p.x.add( tri( p.y ) ) ) ) ) ).toVar(); + rz.addAssign( t.div( z ) ); + bp.addAssign( 0.14 ); + + } ); + + return rz; + +} ); + +// layouts + +tri.setLayout( { + name: 'tri', + type: 'float', + inputs: [ + { name: 'x', type: 'float' } + ] +} ); + +tri3.setLayout( { + name: 'tri3', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec3' } + ] +} ); + +triNoise3D.setLayout( { + name: 'triNoise3D', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'spd', type: 'float' }, + { name: 'time', type: 'float' } + ] +} ); + +let discardExpression; + +class DiscardNode extends CondNode { + + constructor( condNode ) { + + discardExpression = discardExpression || expression( 'discard' ); + + super( condNode, discardExpression ); + + } + +} + +const inlineDiscard = nodeProxy( DiscardNode ); +const discard = ( condNode ) => inlineDiscard( condNode ).append(); +const Return = () => expression( 'return' ).append(); + +addNodeElement( 'discard', discard ); // @TODO: Check... this cause a little confusing using in chaining + +addNodeClass( 'DiscardNode', DiscardNode ); + +class FunctionOverloadingNode extends Node { + + constructor( functionNodes = [], ...parametersNodes ) { + + super(); + + this.functionNodes = functionNodes; + this.parametersNodes = parametersNodes; + + this._candidateFnCall = null; + + this.global = true; + + } + + getNodeType() { + + return this.functionNodes[ 0 ].shaderNode.layout.type; + + } + + setup( builder ) { + + const params = this.parametersNodes; + + let candidateFnCall = this._candidateFnCall; + + if ( candidateFnCall === null ) { + + let candidateFn = null; + let candidateScore = - 1; + + for ( const functionNode of this.functionNodes ) { + + const shaderNode = functionNode.shaderNode; + const layout = shaderNode.layout; + + if ( layout === null ) { + + throw new Error( 'FunctionOverloadingNode: FunctionNode must be a layout.' ); + + } + + const inputs = layout.inputs; + + if ( params.length === inputs.length ) { + + let score = 0; + + for ( let i = 0; i < params.length; i ++ ) { + + const param = params[ i ]; + const input = inputs[ i ]; + + if ( param.getNodeType( builder ) === input.type ) { + + score ++; + + } else { + + score = 0; + + } + + } + + if ( score > candidateScore ) { + + candidateFn = functionNode; + candidateScore = score; + + } + + } + + } + + this._candidateFnCall = candidateFnCall = candidateFn( ...params ); + + } + + return candidateFnCall; + + } + +} + +const overloadingBaseFn = nodeProxy( FunctionOverloadingNode ); + +const overloadingFn = ( functionNodes ) => ( ...params ) => overloadingBaseFn( functionNodes, ...params ); + +addNodeClass( 'FunctionOverloadingNode', FunctionOverloadingNode ); + +class MatcapUVNode extends TempNode { + + constructor() { + + super( 'vec2' ); + + } + + setup() { + + const x = vec3( positionViewDirection.z, 0, positionViewDirection.x.negate() ).normalize(); + const y = positionViewDirection.cross( x ); + + return vec2( x.dot( transformedNormalView ), y.dot( transformedNormalView ) ).mul( 0.495 ).add( 0.5 ); // 0.495 to remove artifacts caused by undersized matcap disks + + } + +} + +const matcapUV = nodeImmutable( MatcapUVNode ); + +addNodeClass( 'MatcapUVNode', MatcapUVNode ); + +class TimerNode extends UniformNode { + + constructor( scope = TimerNode.LOCAL, scale = 1, value = 0 ) { + + super( value ); + + this.scope = scope; + this.scale = scale; + + this.updateType = NodeUpdateType.FRAME; + + } + /* + @TODO: + getNodeType( builder ) { + + const scope = this.scope; + + if ( scope === TimerNode.FRAME ) { + + return 'uint'; + + } + + return 'float'; + + } +*/ + update( frame ) { + + const scope = this.scope; + const scale = this.scale; + + if ( scope === TimerNode.LOCAL ) { + + this.value += frame.deltaTime * scale; + + } else if ( scope === TimerNode.DELTA ) { + + this.value = frame.deltaTime * scale; + + } else if ( scope === TimerNode.FRAME ) { + + this.value = frame.frameId; + + } else { + + // global + + this.value = frame.time * scale; + + } + + } + + serialize( data ) { + + super.serialize( data ); + + data.scope = this.scope; + data.scale = this.scale; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.scope = data.scope; + this.scale = data.scale; + + } + +} + +TimerNode.LOCAL = 'local'; +TimerNode.GLOBAL = 'global'; +TimerNode.DELTA = 'delta'; +TimerNode.FRAME = 'frame'; + +// @TODO: add support to use node in timeScale +const timerLocal = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.LOCAL, timeScale, value ) ); +const timerGlobal = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.GLOBAL, timeScale, value ) ); +const timerDelta = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.DELTA, timeScale, value ) ); +const frameId = nodeImmutable( TimerNode, TimerNode.FRAME ).toUint(); + +addNodeClass( 'TimerNode', TimerNode ); + +class OscNode extends Node { + + constructor( method = OscNode.SINE, timeNode = timerLocal() ) { + + super(); + + this.method = method; + this.timeNode = timeNode; + + } + + getNodeType( builder ) { + + return this.timeNode.getNodeType( builder ); + + } + + setup() { + + const method = this.method; + const timeNode = nodeObject( this.timeNode ); + + let outputNode = null; + + if ( method === OscNode.SINE ) { + + outputNode = timeNode.add( 0.75 ).mul( Math.PI * 2 ).sin().mul( 0.5 ).add( 0.5 ); + + } else if ( method === OscNode.SQUARE ) { + + outputNode = timeNode.fract().round(); + + } else if ( method === OscNode.TRIANGLE ) { + + outputNode = timeNode.add( 0.5 ).fract().mul( 2 ).sub( 1 ).abs(); + + } else if ( method === OscNode.SAWTOOTH ) { + + outputNode = timeNode.fract(); + + } + + return outputNode; + + } + + serialize( data ) { + + super.serialize( data ); + + data.method = this.method; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.method = data.method; + + } + +} + +OscNode.SINE = 'sine'; +OscNode.SQUARE = 'square'; +OscNode.TRIANGLE = 'triangle'; +OscNode.SAWTOOTH = 'sawtooth'; + +const oscSine = nodeProxy( OscNode, OscNode.SINE ); +const oscSquare = nodeProxy( OscNode, OscNode.SQUARE ); +const oscTriangle = nodeProxy( OscNode, OscNode.TRIANGLE ); +const oscSawtooth = nodeProxy( OscNode, OscNode.SAWTOOTH ); + +addNodeClass( 'OscNode', OscNode ); + +class PackingNode extends TempNode { + + constructor( scope, node ) { + + super(); + + this.scope = scope; + this.node = node; + + } + + getNodeType( builder ) { + + return this.node.getNodeType( builder ); + + } + + setup() { + + const { scope, node } = this; + + let result = null; + + if ( scope === PackingNode.DIRECTION_TO_COLOR ) { + + result = node.mul( 0.5 ).add( 0.5 ); + + } else if ( scope === PackingNode.COLOR_TO_DIRECTION ) { + + result = node.mul( 2.0 ).sub( 1 ); + + } + + return result; + + } + +} + +PackingNode.DIRECTION_TO_COLOR = 'directionToColor'; +PackingNode.COLOR_TO_DIRECTION = 'colorToDirection'; + +const directionToColor = nodeProxy( PackingNode, PackingNode.DIRECTION_TO_COLOR ); +const colorToDirection = nodeProxy( PackingNode, PackingNode.COLOR_TO_DIRECTION ); + +addNodeElement( 'directionToColor', directionToColor ); +addNodeElement( 'colorToDirection', colorToDirection ); + +addNodeClass( 'PackingNode', PackingNode ); + +class RemapNode extends Node { + + constructor( node, inLowNode, inHighNode, outLowNode = float( 0 ), outHighNode = float( 1 ) ) { + + super(); + + this.node = node; + this.inLowNode = inLowNode; + this.inHighNode = inHighNode; + this.outLowNode = outLowNode; + this.outHighNode = outHighNode; + + this.doClamp = true; + + } + + setup() { + + const { node, inLowNode, inHighNode, outLowNode, outHighNode, doClamp } = this; + + let t = node.sub( inLowNode ).div( inHighNode.sub( inLowNode ) ); + + if ( doClamp === true ) t = t.clamp(); + + return t.mul( outHighNode.sub( outLowNode ) ).add( outLowNode ); + + } + +} + +const remap = nodeProxy( RemapNode, null, null, { doClamp: false } ); +const remapClamp = nodeProxy( RemapNode ); + +addNodeElement( 'remap', remap ); +addNodeElement( 'remapClamp', remapClamp ); + +addNodeClass( 'RemapNode', RemapNode ); + +class RotateUVNode extends TempNode { + + constructor( uvNode, rotationNode, centerNode = vec2( 0.5 ) ) { + + super( 'vec2' ); + + this.uvNode = uvNode; + this.rotationNode = rotationNode; + this.centerNode = centerNode; + + } + + setup() { + + const { uvNode, rotationNode, centerNode } = this; + + const vector = uvNode.sub( centerNode ); + + return vector.rotate( rotationNode ).add( centerNode ); + + } + +} + +const rotateUV = nodeProxy( RotateUVNode ); + +addNodeElement( 'rotateUV', rotateUV ); + +addNodeClass( 'RotateUVNode', RotateUVNode ); + +class RotateNode extends TempNode { + + constructor( positionNode, rotationNode ) { + + super(); + + this.positionNode = positionNode; + this.rotationNode = rotationNode; + + } + + getNodeType( builder ) { + + return this.positionNode.getNodeType( builder ); + + } + + setup( builder ) { + + const { rotationNode, positionNode } = this; + + const nodeType = this.getNodeType( builder ); + + if ( nodeType === 'vec2' ) { + + const cosAngle = rotationNode.cos(); + const sinAngle = rotationNode.sin(); + + const rotationMatrix = mat2( + cosAngle, sinAngle, + sinAngle.negate(), cosAngle + ); + + return rotationMatrix.mul( positionNode ); + + } else { + + const rotation = rotationNode; + const rotationXMatrix = mat4( vec4( 1.0, 0.0, 0.0, 0.0 ), vec4( 0.0, cos( rotation.x ), sin( rotation.x ).negate(), 0.0 ), vec4( 0.0, sin( rotation.x ), cos( rotation.x ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) ); + const rotationYMatrix = mat4( vec4( cos( rotation.y ), 0.0, sin( rotation.y ), 0.0 ), vec4( 0.0, 1.0, 0.0, 0.0 ), vec4( sin( rotation.y ).negate(), 0.0, cos( rotation.y ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) ); + const rotationZMatrix = mat4( vec4( cos( rotation.z ), sin( rotation.z ).negate(), 0.0, 0.0 ), vec4( sin( rotation.z ), cos( rotation.z ), 0.0, 0.0 ), vec4( 0.0, 0.0, 1.0, 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) ); + + return rotationXMatrix.mul( rotationYMatrix ).mul( rotationZMatrix ).mul( vec4( positionNode, 1.0 ) ).xyz; + + } + + } + +} + +const rotate = nodeProxy( RotateNode ); + +addNodeElement( 'rotate', rotate ); + +addNodeClass( 'RotateNode', RotateNode ); + +class SpriteSheetUVNode extends Node { + + constructor( countNode, uvNode = uv(), frameNode = float( 0 ) ) { + + super( 'vec2' ); + + this.countNode = countNode; + this.uvNode = uvNode; + this.frameNode = frameNode; + + } + + setup() { + + const { frameNode, uvNode, countNode } = this; + + const { width, height } = countNode; + + const frameNum = frameNode.mod( width.mul( height ) ).floor(); + + const column = frameNum.mod( width ); + const row = height.sub( frameNum.add( 1 ).div( width ).ceil() ); + + const scale = countNode.reciprocal(); + const uvFrameOffset = vec2( column, row ); + + return uvNode.add( uvFrameOffset ).mul( scale ); + + } + +} + +const spritesheetUV = nodeProxy( SpriteSheetUVNode ); + +addNodeClass( 'SpriteSheetUVNode', SpriteSheetUVNode ); + +class StorageArrayElementNode extends ArrayElementNode { + + constructor( storageBufferNode, indexNode ) { + + super( storageBufferNode, indexNode ); + + this.isStorageArrayElementNode = true; + + } + + set storageBufferNode( value ) { + + this.node = value; + + } + + get storageBufferNode() { + + return this.node; + + } + + setup( builder ) { + + if ( builder.isAvailable( 'storageBuffer' ) === false ) { + + if ( ! this.node.instanceIndex && this.node.bufferObject === true ) { + + builder.setupPBO( this.node ); + + } + + } + + return super.setup( builder ); + + } + + generate( builder, output ) { + + let snippet; + + const isAssignContext = builder.context.assign; + + // + + if ( builder.isAvailable( 'storageBuffer' ) === false ) { + + const { node } = this; + + if ( ! node.instanceIndex && this.node.bufferObject === true && isAssignContext !== true ) { + + snippet = builder.generatePBO( this ); + + } else { + + snippet = node.build( builder ); + + } + + } else { + + snippet = super.generate( builder ); + + } + + if ( isAssignContext !== true ) { + + const type = this.getNodeType( builder ); + + snippet = builder.format( snippet, type, output ); + + } + + return snippet; + + } + +} + +const storageElement = nodeProxy( StorageArrayElementNode ); + +addNodeElement( 'storageElement', storageElement ); + +addNodeClass( 'StorageArrayElementNode', StorageArrayElementNode ); + +class TriplanarTexturesNode extends Node { + + constructor( textureXNode, textureYNode = null, textureZNode = null, scaleNode = float( 1 ), positionNode = positionLocal, normalNode = normalLocal ) { + + super( 'vec4' ); + + this.textureXNode = textureXNode; + this.textureYNode = textureYNode; + this.textureZNode = textureZNode; + + this.scaleNode = scaleNode; + + this.positionNode = positionNode; + this.normalNode = normalNode; + + } + + setup() { + + const { textureXNode, textureYNode, textureZNode, scaleNode, positionNode, normalNode } = this; + + // Ref: https://github.com/keijiro/StandardTriplanar + + // Blending factor of triplanar mapping + let bf = normalNode.abs().normalize(); + bf = bf.div( bf.dot( vec3( 1.0 ) ) ); + + // Triplanar mapping + const tx = positionNode.yz.mul( scaleNode ); + const ty = positionNode.zx.mul( scaleNode ); + const tz = positionNode.xy.mul( scaleNode ); + + // Base color + const textureX = textureXNode.value; + const textureY = textureYNode !== null ? textureYNode.value : textureX; + const textureZ = textureZNode !== null ? textureZNode.value : textureX; + + const cx = texture( textureX, tx ).mul( bf.x ); + const cy = texture( textureY, ty ).mul( bf.y ); + const cz = texture( textureZ, tz ).mul( bf.z ); + + return add( cx, cy, cz ); + + } + +} + +const triplanarTextures = nodeProxy( TriplanarTexturesNode ); +const triplanarTexture = ( ...params ) => triplanarTextures( ...params ); + +addNodeElement( 'triplanarTexture', triplanarTexture ); + +addNodeClass( 'TriplanarTexturesNode', TriplanarTexturesNode ); + +const _reflectorPlane = new Plane(); +const _normal = new Vector3(); +const _reflectorWorldPosition = new Vector3(); +const _cameraWorldPosition = new Vector3(); +const _rotationMatrix = new Matrix4(); +const _lookAtPosition = new Vector3( 0, 0, - 1 ); +const clipPlane = new Vector4(); + +const _view = new Vector3(); +const _target = new Vector3(); +const _q = new Vector4(); + +const _size$3 = new Vector2(); + +const _defaultRT = new RenderTarget(); +const _defaultUV = vec2( viewportTopLeft.x.oneMinus(), viewportTopLeft.y ); + +let _inReflector = false; + +class ReflectorNode extends TextureNode { + + constructor( parameters = {} ) { + + super( _defaultRT.texture, _defaultUV ); + + const { + target = new Object3D(), + resolution = 1, + generateMipmaps = false, + bounces = true + } = parameters; + + // + + this.target = target; + this.resolution = resolution; + this.generateMipmaps = generateMipmaps; + this.bounces = bounces; + + this.updateBeforeType = bounces ? NodeUpdateType.RENDER : NodeUpdateType.FRAME; + + this.virtualCameras = new WeakMap(); + this.renderTargets = new WeakMap(); + + + } + + _updateResolution( renderTarget, renderer ) { + + const resolution = this.resolution; + + renderer.getDrawingBufferSize( _size$3 ); + + renderTarget.setSize( Math.round( _size$3.width * resolution ), Math.round( _size$3.height * resolution ) ); + + } + + setup( builder ) { + + this._updateResolution( _defaultRT, builder.renderer ); + + return super.setup( builder ); + + } + + getTextureNode() { + + return this.textureNode; + + } + + getVirtualCamera( camera ) { + + let virtualCamera = this.virtualCameras.get( camera ); + + if ( virtualCamera === undefined ) { + + virtualCamera = camera.clone(); + + this.virtualCameras.set( camera, virtualCamera ); + + } + + return virtualCamera; + + } + + getRenderTarget( camera ) { + + let renderTarget = this.renderTargets.get( camera ); + + if ( renderTarget === undefined ) { + + renderTarget = new RenderTarget( 0, 0, { type: HalfFloatType } ); + + if ( this.generateMipmaps === true ) { + + renderTarget.texture.minFilter = LinearMipMapLinearFilter; + renderTarget.texture.generateMipmaps = true; + + } + + this.renderTargets.set( camera, renderTarget ); + + } + + return renderTarget; + + } + + updateBefore( frame ) { + + if ( this.bounces === false && _inReflector ) return false; + + _inReflector = true; + + const { scene, camera, renderer, material } = frame; + const { target } = this; + + const virtualCamera = this.getVirtualCamera( camera ); + const renderTarget = this.getRenderTarget( virtualCamera ); + + renderer.getDrawingBufferSize( _size$3 ); + + this._updateResolution( renderTarget, renderer ); + + // + + _reflectorWorldPosition.setFromMatrixPosition( target.matrixWorld ); + _cameraWorldPosition.setFromMatrixPosition( camera.matrixWorld ); + + _rotationMatrix.extractRotation( target.matrixWorld ); + + _normal.set( 0, 0, 1 ); + _normal.applyMatrix4( _rotationMatrix ); + + _view.subVectors( _reflectorWorldPosition, _cameraWorldPosition ); + + // Avoid rendering when reflector is facing away + + if ( _view.dot( _normal ) > 0 ) return; + + _view.reflect( _normal ).negate(); + _view.add( _reflectorWorldPosition ); + + _rotationMatrix.extractRotation( camera.matrixWorld ); + + _lookAtPosition.set( 0, 0, - 1 ); + _lookAtPosition.applyMatrix4( _rotationMatrix ); + _lookAtPosition.add( _cameraWorldPosition ); + + _target.subVectors( _reflectorWorldPosition, _lookAtPosition ); + _target.reflect( _normal ).negate(); + _target.add( _reflectorWorldPosition ); + + // + + virtualCamera.coordinateSystem = camera.coordinateSystem; + virtualCamera.position.copy( _view ); + virtualCamera.up.set( 0, 1, 0 ); + virtualCamera.up.applyMatrix4( _rotationMatrix ); + virtualCamera.up.reflect( _normal ); + virtualCamera.lookAt( _target ); + + virtualCamera.near = camera.near; + virtualCamera.far = camera.far; + + virtualCamera.updateMatrixWorld(); + virtualCamera.projectionMatrix.copy( camera.projectionMatrix ); + + // Now update projection matrix with new clip plane, implementing code from: http://www.terathon.com/code/oblique.html + // Paper explaining this technique: http://www.terathon.com/lengyel/Lengyel-Oblique.pdf + _reflectorPlane.setFromNormalAndCoplanarPoint( _normal, _reflectorWorldPosition ); + _reflectorPlane.applyMatrix4( virtualCamera.matrixWorldInverse ); + + clipPlane.set( _reflectorPlane.normal.x, _reflectorPlane.normal.y, _reflectorPlane.normal.z, _reflectorPlane.constant ); + + const projectionMatrix = virtualCamera.projectionMatrix; + + _q.x = ( Math.sign( clipPlane.x ) + projectionMatrix.elements[ 8 ] ) / projectionMatrix.elements[ 0 ]; + _q.y = ( Math.sign( clipPlane.y ) + projectionMatrix.elements[ 9 ] ) / projectionMatrix.elements[ 5 ]; + _q.z = - 1.0; + _q.w = ( 1.0 + projectionMatrix.elements[ 10 ] ) / projectionMatrix.elements[ 14 ]; + + // Calculate the scaled plane vector + clipPlane.multiplyScalar( 1.0 / clipPlane.dot( _q ) ); + + const clipBias = 0; + + // Replacing the third row of the projection matrix + projectionMatrix.elements[ 2 ] = clipPlane.x; + projectionMatrix.elements[ 6 ] = clipPlane.y; + projectionMatrix.elements[ 10 ] = clipPlane.z - clipBias; + projectionMatrix.elements[ 14 ] = clipPlane.w; + + // + + this.value = renderTarget.texture; + + material.visible = false; + + const currentRenderTarget = renderer.getRenderTarget(); + + renderer.setRenderTarget( renderTarget ); + + renderer.render( scene, virtualCamera ); + + renderer.setRenderTarget( currentRenderTarget ); + + material.visible = true; + + _inReflector = false; + + } + +} + +const reflector = ( parameters ) => nodeObject( new ReflectorNode( parameters ) ); + +class VertexColorNode extends AttributeNode { + + constructor( index = 0 ) { + + super( null, 'vec4' ); + + this.isVertexColorNode = true; + + this.index = index; + + } + + getAttributeName( /*builder*/ ) { + + const index = this.index; + + return 'color' + ( index > 0 ? index : '' ); + + } + + generate( builder ) { + + const attributeName = this.getAttributeName( builder ); + const geometryAttribute = builder.hasGeometryAttribute( attributeName ); + + let result; + + if ( geometryAttribute === true ) { + + result = super.generate( builder ); + + } else { + + // Vertex color fallback should be white + result = builder.generateConst( this.nodeType, new Vector4( 1, 1, 1, 1 ) ); + + } + + return result; + + } + + serialize( data ) { + + super.serialize( data ); + + data.index = this.index; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.index = data.index; + + } + +} + +const vertexColor = ( ...params ) => nodeObject( new VertexColorNode( ...params ) ); + +addNodeClass( 'VertexColorNode', VertexColorNode ); + +class RendererReferenceNode extends ReferenceNode { + + constructor( property, inputType, renderer = null ) { + + super( property, inputType, renderer ); + + this.renderer = renderer; + + } + + updateReference( state ) { + + this.reference = this.renderer !== null ? this.renderer : state.renderer; + + return this.reference; + + } + +} + +const rendererReference = ( name, type, renderer ) => nodeObject( new RendererReferenceNode( name, type, renderer ) ); + +addNodeClass( 'RendererReferenceNode', RendererReferenceNode ); + +// Mipped Bicubic Texture Filtering by N8 +// https://www.shadertoy.com/view/Dl2SDW + +const bC = 1.0 / 6.0; + +const w0 = ( a ) => mul( bC, mul( a, mul( a, a.negate().add( 3.0 ) ).sub( 3.0 ) ).add( 1.0 ) ); + +const w1 = ( a ) => mul( bC, mul( a, mul( a, mul( 3.0, a ).sub( 6.0 ) ) ).add( 4.0 ) ); + +const w2 = ( a ) => mul( bC, mul( a, mul( a, mul( - 3.0, a ).add( 3.0 ) ).add( 3.0 ) ).add( 1.0 ) ); + +const w3 = ( a ) => mul( bC, pow( a, 3 ) ); + +const g0 = ( a ) => w0( a ).add( w1( a ) ); + +const g1 = ( a ) => w2( a ).add( w3( a ) ); + +// h0 and h1 are the two offset functions +const h0 = ( a ) => add( - 1.0, w1( a ).div( w0( a ).add( w1( a ) ) ) ); + +const h1 = ( a ) => add( 1.0, w3( a ).div( w2( a ).add( w3( a ) ) ) ); + +const bicubic = ( textureNode, texelSize, lod ) => { + + const uv = textureNode.uvNode; + const uvScaled = mul( uv, texelSize.zw ).add( 0.5 ); + + const iuv = floor( uvScaled ); + const fuv = fract( uvScaled ); + + const g0x = g0( fuv.x ); + const g1x = g1( fuv.x ); + const h0x = h0( fuv.x ); + const h1x = h1( fuv.x ); + const h0y = h0( fuv.y ); + const h1y = h1( fuv.y ); + + const p0 = vec2( iuv.x.add( h0x ), iuv.y.add( h0y ) ).sub( 0.5 ).mul( texelSize.xy ); + const p1 = vec2( iuv.x.add( h1x ), iuv.y.add( h0y ) ).sub( 0.5 ).mul( texelSize.xy ); + const p2 = vec2( iuv.x.add( h0x ), iuv.y.add( h1y ) ).sub( 0.5 ).mul( texelSize.xy ); + const p3 = vec2( iuv.x.add( h1x ), iuv.y.add( h1y ) ).sub( 0.5 ).mul( texelSize.xy ); + + const a = g0( fuv.y ).mul( add( g0x.mul( textureNode.uv( p0 ).level( lod ) ), g1x.mul( textureNode.uv( p1 ).level( lod ) ) ) ); + const b = g1( fuv.y ).mul( add( g0x.mul( textureNode.uv( p2 ).level( lod ) ), g1x.mul( textureNode.uv( p3 ).level( lod ) ) ) ); + + return a.add( b ); + +}; + +const textureBicubicMethod = ( textureNode, lodNode ) => { + + const fLodSize = vec2( textureNode.size( int( lodNode ) ) ); + const cLodSize = vec2( textureNode.size( int( lodNode.add( 1.0 ) ) ) ); + const fLodSizeInv = div( 1.0, fLodSize ); + const cLodSizeInv = div( 1.0, cLodSize ); + const fSample = bicubic( textureNode, vec4( fLodSizeInv, fLodSize ), floor( lodNode ) ); + const cSample = bicubic( textureNode, vec4( cLodSizeInv, cLodSize ), ceil( lodNode ) ); + + return fract( lodNode ).mix( fSample, cSample ); + +}; + +class TextureBicubicNode extends TempNode { + + constructor( textureNode, blurNode = float( 3 ) ) { + + super( 'vec4' ); + + this.textureNode = textureNode; + this.blurNode = blurNode; + + } + + setup() { + + return textureBicubicMethod( this.textureNode, this.blurNode ); + + } + +} + +const textureBicubic = nodeProxy( TextureBicubicNode ); + +addNodeElement( 'bicubic', textureBicubic ); + +addNodeClass( 'TextureBicubicNode', TextureBicubicNode ); + +class PointUVNode extends Node { + + constructor() { + + super( 'vec2' ); + + this.isPointUVNode = true; + + } + + generate( /*builder*/ ) { + + return 'vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )'; + + } + +} + +const pointUV = nodeImmutable( PointUVNode ); + +addNodeClass( 'PointUVNode', PointUVNode ); + +class SceneNode extends Node { + + constructor( scope = SceneNode.BACKGROUND_BLURRINESS, scene = null ) { + + super(); + + this.scope = scope; + this.scene = scene; + + } + + setup( builder ) { + + const scope = this.scope; + const scene = this.scene !== null ? this.scene : builder.scene; + + let output; + + if ( scope === SceneNode.BACKGROUND_BLURRINESS ) { + + output = reference( 'backgroundBlurriness', 'float', scene ); + + } else if ( scope === SceneNode.BACKGROUND_INTENSITY ) { + + output = reference( 'backgroundIntensity', 'float', scene ); + + } else { + + console.error( 'THREE.SceneNode: Unknown scope:', scope ); + + } + + return output; + + } + +} + +SceneNode.BACKGROUND_BLURRINESS = 'backgroundBlurriness'; +SceneNode.BACKGROUND_INTENSITY = 'backgroundIntensity'; + +const backgroundBlurriness = nodeImmutable( SceneNode, SceneNode.BACKGROUND_BLURRINESS ); +const backgroundIntensity = nodeImmutable( SceneNode, SceneNode.BACKGROUND_INTENSITY ); + +addNodeClass( 'SceneNode', SceneNode ); + +const GPUPrimitiveTopology = { + PointList: 'point-list', + LineList: 'line-list', + LineStrip: 'line-strip', + TriangleList: 'triangle-list', + TriangleStrip: 'triangle-strip', +}; + +const GPUCompareFunction = { + Never: 'never', + Less: 'less', + Equal: 'equal', + LessEqual: 'less-equal', + Greater: 'greater', + NotEqual: 'not-equal', + GreaterEqual: 'greater-equal', + Always: 'always' +}; + +const GPUStoreOp = { + Store: 'store', + Discard: 'discard' +}; + +const GPULoadOp = { + Load: 'load', + Clear: 'clear' +}; + +const GPUFrontFace = { + CCW: 'ccw', + CW: 'cw' +}; + +const GPUCullMode = { + None: 'none', + Front: 'front', + Back: 'back' +}; + +const GPUIndexFormat = { + Uint16: 'uint16', + Uint32: 'uint32' +}; + +const GPUTextureFormat = { + + // 8-bit formats + + R8Unorm: 'r8unorm', + R8Snorm: 'r8snorm', + R8Uint: 'r8uint', + R8Sint: 'r8sint', + + // 16-bit formats + + R16Uint: 'r16uint', + R16Sint: 'r16sint', + R16Float: 'r16float', + RG8Unorm: 'rg8unorm', + RG8Snorm: 'rg8snorm', + RG8Uint: 'rg8uint', + RG8Sint: 'rg8sint', + + // 32-bit formats + + R32Uint: 'r32uint', + R32Sint: 'r32sint', + R32Float: 'r32float', + RG16Uint: 'rg16uint', + RG16Sint: 'rg16sint', + RG16Float: 'rg16float', + RGBA8Unorm: 'rgba8unorm', + RGBA8UnormSRGB: 'rgba8unorm-srgb', + RGBA8Snorm: 'rgba8snorm', + RGBA8Uint: 'rgba8uint', + RGBA8Sint: 'rgba8sint', + BGRA8Unorm: 'bgra8unorm', + BGRA8UnormSRGB: 'bgra8unorm-srgb', + // Packed 32-bit formats + RGB9E5UFloat: 'rgb9e5ufloat', + RGB10A2Unorm: 'rgb10a2unorm', + RG11B10uFloat: 'rgb10a2unorm', + + // 64-bit formats + + RG32Uint: 'rg32uint', + RG32Sint: 'rg32sint', + RG32Float: 'rg32float', + RGBA16Uint: 'rgba16uint', + RGBA16Sint: 'rgba16sint', + RGBA16Float: 'rgba16float', + + // 128-bit formats + + RGBA32Uint: 'rgba32uint', + RGBA32Sint: 'rgba32sint', + RGBA32Float: 'rgba32float', + + // Depth and stencil formats + + Stencil8: 'stencil8', + Depth16Unorm: 'depth16unorm', + Depth24Plus: 'depth24plus', + Depth24PlusStencil8: 'depth24plus-stencil8', + Depth32Float: 'depth32float', + + // 'depth32float-stencil8' extension + + Depth32FloatStencil8: 'depth32float-stencil8', + + // BC compressed formats usable if 'texture-compression-bc' is both + // supported by the device/user agent and enabled in requestDevice. + + BC1RGBAUnorm: 'bc1-rgba-unorm', + BC1RGBAUnormSRGB: 'bc1-rgba-unorm-srgb', + BC2RGBAUnorm: 'bc2-rgba-unorm', + BC2RGBAUnormSRGB: 'bc2-rgba-unorm-srgb', + BC3RGBAUnorm: 'bc3-rgba-unorm', + BC3RGBAUnormSRGB: 'bc3-rgba-unorm-srgb', + BC4RUnorm: 'bc4-r-unorm', + BC4RSnorm: 'bc4-r-snorm', + BC5RGUnorm: 'bc5-rg-unorm', + BC5RGSnorm: 'bc5-rg-snorm', + BC6HRGBUFloat: 'bc6h-rgb-ufloat', + BC6HRGBFloat: 'bc6h-rgb-float', + BC7RGBAUnorm: 'bc7-rgba-unorm', + BC7RGBAUnormSRGB: 'bc7-rgba-srgb', + + // ETC2 compressed formats usable if 'texture-compression-etc2' is both + // supported by the device/user agent and enabled in requestDevice. + + ETC2RGB8Unorm: 'etc2-rgb8unorm', + ETC2RGB8UnormSRGB: 'etc2-rgb8unorm-srgb', + ETC2RGB8A1Unorm: 'etc2-rgb8a1unorm', + ETC2RGB8A1UnormSRGB: 'etc2-rgb8a1unorm-srgb', + ETC2RGBA8Unorm: 'etc2-rgba8unorm', + ETC2RGBA8UnormSRGB: 'etc2-rgba8unorm-srgb', + EACR11Unorm: 'eac-r11unorm', + EACR11Snorm: 'eac-r11snorm', + EACRG11Unorm: 'eac-rg11unorm', + EACRG11Snorm: 'eac-rg11snorm', + + // ASTC compressed formats usable if 'texture-compression-astc' is both + // supported by the device/user agent and enabled in requestDevice. + + ASTC4x4Unorm: 'astc-4x4-unorm', + ASTC4x4UnormSRGB: 'astc-4x4-unorm-srgb', + ASTC5x4Unorm: 'astc-5x4-unorm', + ASTC5x4UnormSRGB: 'astc-5x4-unorm-srgb', + ASTC5x5Unorm: 'astc-5x5-unorm', + ASTC5x5UnormSRGB: 'astc-5x5-unorm-srgb', + ASTC6x5Unorm: 'astc-6x5-unorm', + ASTC6x5UnormSRGB: 'astc-6x5-unorm-srgb', + ASTC6x6Unorm: 'astc-6x6-unorm', + ASTC6x6UnormSRGB: 'astc-6x6-unorm-srgb', + ASTC8x5Unorm: 'astc-8x5-unorm', + ASTC8x5UnormSRGB: 'astc-8x5-unorm-srgb', + ASTC8x6Unorm: 'astc-8x6-unorm', + ASTC8x6UnormSRGB: 'astc-8x6-unorm-srgb', + ASTC8x8Unorm: 'astc-8x8-unorm', + ASTC8x8UnormSRGB: 'astc-8x8-unorm-srgb', + ASTC10x5Unorm: 'astc-10x5-unorm', + ASTC10x5UnormSRGB: 'astc-10x5-unorm-srgb', + ASTC10x6Unorm: 'astc-10x6-unorm', + ASTC10x6UnormSRGB: 'astc-10x6-unorm-srgb', + ASTC10x8Unorm: 'astc-10x8-unorm', + ASTC10x8UnormSRGB: 'astc-10x8-unorm-srgb', + ASTC10x10Unorm: 'astc-10x10-unorm', + ASTC10x10UnormSRGB: 'astc-10x10-unorm-srgb', + ASTC12x10Unorm: 'astc-12x10-unorm', + ASTC12x10UnormSRGB: 'astc-12x10-unorm-srgb', + ASTC12x12Unorm: 'astc-12x12-unorm', + ASTC12x12UnormSRGB: 'astc-12x12-unorm-srgb', + +}; + +const GPUAddressMode = { + ClampToEdge: 'clamp-to-edge', + Repeat: 'repeat', + MirrorRepeat: 'mirror-repeat' +}; + +const GPUFilterMode = { + Linear: 'linear', + Nearest: 'nearest' +}; + +const GPUBlendFactor = { + Zero: 'zero', + One: 'one', + Src: 'src', + OneMinusSrc: 'one-minus-src', + SrcAlpha: 'src-alpha', + OneMinusSrcAlpha: 'one-minus-src-alpha', + Dst: 'dst', + OneMinusDstColor: 'one-minus-dst', + DstAlpha: 'dst-alpha', + OneMinusDstAlpha: 'one-minus-dst-alpha', + SrcAlphaSaturated: 'src-alpha-saturated', + Constant: 'constant', + OneMinusConstant: 'one-minus-constant' +}; + +const GPUBlendOperation = { + Add: 'add', + Subtract: 'subtract', + ReverseSubtract: 'reverse-subtract', + Min: 'min', + Max: 'max' +}; + +const GPUColorWriteFlags = { + None: 0, + Red: 0x1, + Green: 0x2, + Blue: 0x4, + Alpha: 0x8, + All: 0xF +}; + +const GPUStencilOperation = { + Keep: 'keep', + Zero: 'zero', + Replace: 'replace', + Invert: 'invert', + IncrementClamp: 'increment-clamp', + DecrementClamp: 'decrement-clamp', + IncrementWrap: 'increment-wrap', + DecrementWrap: 'decrement-wrap' +}; + +const GPUBufferBindingType = { + Uniform: 'uniform', + Storage: 'storage', + ReadOnlyStorage: 'read-only-storage' +}; + +const GPUStorageTextureAccess = { + WriteOnly: 'write-only', + ReadOnly: 'read-only', + ReadWrite: 'read-write', +}; + +const GPUTextureSampleType = { + Float: 'float', + UnfilterableFloat: 'unfilterable-float', + Depth: 'depth', + SInt: 'sint', + UInt: 'uint' +}; + +const GPUTextureDimension = { + OneD: '1d', + TwoD: '2d', + ThreeD: '3d' +}; + +const GPUTextureViewDimension = { + OneD: '1d', + TwoD: '2d', + TwoDArray: '2d-array', + Cube: 'cube', + CubeArray: 'cube-array', + ThreeD: '3d' +}; + +const GPUTextureAspect = { + All: 'all', + StencilOnly: 'stencil-only', + DepthOnly: 'depth-only' +}; + +const GPUInputStepMode = { + Vertex: 'vertex', + Instance: 'instance' +}; + +const GPUFeatureName = { + DepthClipControl: 'depth-clip-control', + Depth32FloatStencil8: 'depth32float-stencil8', + TextureCompressionBC: 'texture-compression-bc', + TextureCompressionETC2: 'texture-compression-etc2', + TextureCompressionASTC: 'texture-compression-astc', + TimestampQuery: 'timestamp-query', + IndirectFirstInstance: 'indirect-first-instance', + ShaderF16: 'shader-f16', + RG11B10UFloat: 'rg11b10ufloat-renderable', + BGRA8UNormStorage: 'bgra8unorm-storage', + Float32Filterable: 'float32-filterable' +}; + +class StorageBufferNode extends BufferNode { + + constructor( value, bufferType, bufferCount = 0 ) { + + super( value, bufferType, bufferCount ); + + this.isStorageBufferNode = true; + + this.access = GPUBufferBindingType.Storage; + + this.bufferObject = false; + this.bufferCount = bufferCount; + + this._attribute = null; + this._varying = null; + + this.global = true; + + if ( value.isStorageBufferAttribute !== true && value.isStorageInstancedBufferAttribute !== true ) { + + // TOOD: Improve it, possibly adding a new property to the BufferAttribute to identify it as a storage buffer read-only attribute in Renderer + + if ( value.isInstancedBufferAttribute ) value.isStorageInstancedBufferAttribute = true; + else value.isStorageBufferAttribute = true; + + } + + } + + getHash( builder ) { + + if ( this.bufferCount === 0 ) { + + let bufferData = builder.globalCache.getData( this.value ); + + if ( bufferData === undefined ) { + + bufferData = { + node: this + }; + + builder.globalCache.setData( this.value, bufferData ); + + } + + return bufferData.node.uuid; + + } + + return this.uuid; + + } + + getInputType( /*builder*/ ) { + + return 'storageBuffer'; + + } + + element( indexNode ) { + + return storageElement( this, indexNode ); + + } + + setBufferObject( value ) { + + this.bufferObject = value; + + return this; + + } + + setAccess( value ) { + + this.access = value; + + return this; + + } + + toReadOnly() { + + return this.setAccess( GPUBufferBindingType.ReadOnlyStorage ); + + } + + generate( builder ) { + + if ( builder.isAvailable( 'storageBuffer' ) ) { + + return super.generate( builder ); + + } + + const nodeType = this.getNodeType( builder ); + + if ( this._attribute === null ) { + + this._attribute = bufferAttribute( this.value ); + this._varying = varying( this._attribute ); + + } + + + const output = this._varying.build( builder, nodeType ); + + builder.registerTransform( output, this._attribute ); + + return output; + + } + +} + +// Read-Write Storage +const storage = ( value, type, count ) => nodeObject( new StorageBufferNode( value, type, count ) ); +const storageObject = ( value, type, count ) => nodeObject( new StorageBufferNode( value, type, count ).setBufferObject( true ) ); + +addNodeClass( 'StorageBufferNode', StorageBufferNode ); + +class StorageTextureNode extends TextureNode { + + constructor( value, uvNode, storeNode = null ) { + + super( value, uvNode ); + + this.storeNode = storeNode; + + this.isStorageTextureNode = true; + + this.access = GPUStorageTextureAccess.WriteOnly; + + } + + getInputType( /*builder*/ ) { + + return 'storageTexture'; + + } + + setup( builder ) { + + super.setup( builder ); + + const properties = builder.getNodeProperties( this ); + properties.storeNode = this.storeNode; + + } + + setAccess( value ) { + + this.access = value; + return this; + + } + + generate( builder, output ) { + + let snippet; + + if ( this.storeNode !== null ) { + + snippet = this.generateStore( builder ); + + } else { + + snippet = super.generate( builder, output ); + + } + + return snippet; + + } + + toReadOnly() { + + return this.setAccess( GPUStorageTextureAccess.ReadOnly ); + + } + + toWriteOnly() { + + return this.setAccess( GPUStorageTextureAccess.WriteOnly ); + + } + + generateStore( builder ) { + + const properties = builder.getNodeProperties( this ); + + const { uvNode, storeNode } = properties; + + const textureProperty = super.generate( builder, 'property' ); + const uvSnippet = uvNode.build( builder, 'uvec2' ); + const storeSnippet = storeNode.build( builder, 'vec4' ); + + const snippet = builder.generateTextureStore( builder, textureProperty, uvSnippet, storeSnippet ); + + builder.addLineFlowCode( snippet ); + + } + +} + +const storageTexture = nodeProxy( StorageTextureNode ); + +const textureStore = ( value, uvNode, storeNode ) => { + + const node = storageTexture( value, uvNode, storeNode ); + + if ( storeNode !== null ) node.append(); + + return node; + +}; + +addNodeClass( 'StorageTextureNode', StorageTextureNode ); + +const normal = tslFn( ( { texture, uv } ) => { + + const epsilon = 0.0001; + + const ret = vec3().temp(); + + If( uv.x.lessThan( epsilon ), () => { + + ret.assign( vec3( 1, 0, 0 ) ); + + } ).elseif( uv.y.lessThan( epsilon ), () => { + + ret.assign( vec3( 0, 1, 0 ) ); + + } ).elseif( uv.z.lessThan( epsilon ), () => { + + ret.assign( vec3( 0, 0, 1 ) ); + + } ).elseif( uv.x.greaterThan( 1 - epsilon ), () => { + + ret.assign( vec3( - 1, 0, 0 ) ); + + } ).elseif( uv.y.greaterThan( 1 - epsilon ), () => { + + ret.assign( vec3( 0, - 1, 0 ) ); + + } ).elseif( uv.z.greaterThan( 1 - epsilon ), () => { + + ret.assign( vec3( 0, 0, - 1 ) ); + + } ).else( () => { + + const step = 0.01; + + const x = texture.uv( uv.add( vec3( - step, 0.0, 0.0 ) ) ).r.sub( texture.uv( uv.add( vec3( step, 0.0, 0.0 ) ) ).r ); + const y = texture.uv( uv.add( vec3( 0.0, - step, 0.0 ) ) ).r.sub( texture.uv( uv.add( vec3( 0.0, step, 0.0 ) ) ).r ); + const z = texture.uv( uv.add( vec3( 0.0, 0.0, - step ) ) ).r.sub( texture.uv( uv.add( vec3( 0.0, 0.0, step ) ) ).r ); + + ret.assign( vec3( x, y, z ) ); + + } ); + + return ret.normalize(); + +} ); + + +class Texture3DNode extends TextureNode { + + constructor( value, uvNode = null, levelNode = null ) { + + super( value, uvNode, levelNode ); + + this.isTexture3DNode = true; + + } + + getInputType( /*builder*/ ) { + + return 'texture3D'; + + } + + getDefaultUV() { + + return vec3( 0.5, 0.5, 0.5 ); + + } + + setUpdateMatrix( /*updateMatrix*/ ) { } // Ignore .updateMatrix for 3d TextureNode + + setupUV( builder, uvNode ) { + + return uvNode; + + } + + generateUV( builder, uvNode ) { + + return uvNode.build( builder, 'vec3' ); + + } + + normal( uvNode ) { + + return normal( { texture: this, uv: uvNode } ); + + } + +} + +const texture3D = nodeProxy( Texture3DNode ); + +addNodeClass( 'Texture3DNode', Texture3DNode ); + +class UserDataNode extends ReferenceNode { + + constructor( property, inputType, userData = null ) { + + super( property, inputType, userData ); + + this.userData = userData; + + } + + update( frame ) { + + this.reference = this.userData !== null ? this.userData : frame.object.userData; + + super.update( frame ); + + } + +} + +const userData = ( name, inputType, userData ) => nodeObject( new UserDataNode( name, inputType, userData ) ); + +addNodeClass( 'UserDataNode', UserDataNode ); + +const BurnNode = tslFn( ( { base, blend } ) => { + + const fn = ( c ) => blend[ c ].lessThan( EPSILON ).cond( blend[ c ], base[ c ].oneMinus().div( blend[ c ] ).oneMinus().max( 0 ) ); + + return vec3( fn( 'x' ), fn( 'y' ), fn( 'z' ) ); + +} ).setLayout( { + name: 'burnColor', + type: 'vec3', + inputs: [ + { name: 'base', type: 'vec3' }, + { name: 'blend', type: 'vec3' } + ] +} ); + +const DodgeNode = tslFn( ( { base, blend } ) => { + + const fn = ( c ) => blend[ c ].equal( 1.0 ).cond( blend[ c ], base[ c ].div( blend[ c ].oneMinus() ).max( 0 ) ); + + return vec3( fn( 'x' ), fn( 'y' ), fn( 'z' ) ); + +} ).setLayout( { + name: 'dodgeColor', + type: 'vec3', + inputs: [ + { name: 'base', type: 'vec3' }, + { name: 'blend', type: 'vec3' } + ] +} ); + +const ScreenNode = tslFn( ( { base, blend } ) => { + + const fn = ( c ) => base[ c ].oneMinus().mul( blend[ c ].oneMinus() ).oneMinus(); + + return vec3( fn( 'x' ), fn( 'y' ), fn( 'z' ) ); + +} ).setLayout( { + name: 'screenColor', + type: 'vec3', + inputs: [ + { name: 'base', type: 'vec3' }, + { name: 'blend', type: 'vec3' } + ] +} ); + +const OverlayNode = tslFn( ( { base, blend } ) => { + + const fn = ( c ) => base[ c ].lessThan( 0.5 ).cond( base[ c ].mul( blend[ c ], 2.0 ), base[ c ].oneMinus().mul( blend[ c ].oneMinus() ).oneMinus() ); + //const fn = ( c ) => mix( base[ c ].oneMinus().mul( blend[ c ].oneMinus() ).oneMinus(), base[ c ].mul( blend[ c ], 2.0 ), step( base[ c ], 0.5 ) ); + + return vec3( fn( 'x' ), fn( 'y' ), fn( 'z' ) ); + +} ).setLayout( { + name: 'overlayColor', + type: 'vec3', + inputs: [ + { name: 'base', type: 'vec3' }, + { name: 'blend', type: 'vec3' } + ] +} ); + +class BlendModeNode extends TempNode { + + constructor( blendMode, baseNode, blendNode ) { + + super(); + + this.blendMode = blendMode; + + this.baseNode = baseNode; + this.blendNode = blendNode; + + } + + setup() { + + const { blendMode, baseNode, blendNode } = this; + const params = { base: baseNode, blend: blendNode }; + + let outputNode = null; + + if ( blendMode === BlendModeNode.BURN ) { + + outputNode = BurnNode( params ); + + } else if ( blendMode === BlendModeNode.DODGE ) { + + outputNode = DodgeNode( params ); + + } else if ( blendMode === BlendModeNode.SCREEN ) { + + outputNode = ScreenNode( params ); + + } else if ( blendMode === BlendModeNode.OVERLAY ) { + + outputNode = OverlayNode( params ); + + } + + return outputNode; + + } + +} + +BlendModeNode.BURN = 'burn'; +BlendModeNode.DODGE = 'dodge'; +BlendModeNode.SCREEN = 'screen'; +BlendModeNode.OVERLAY = 'overlay'; + +const burn = nodeProxy( BlendModeNode, BlendModeNode.BURN ); +const dodge = nodeProxy( BlendModeNode, BlendModeNode.DODGE ); +const overlay = nodeProxy( BlendModeNode, BlendModeNode.OVERLAY ); +const screen = nodeProxy( BlendModeNode, BlendModeNode.SCREEN ); + +addNodeElement( 'burn', burn ); +addNodeElement( 'dodge', dodge ); +addNodeElement( 'overlay', overlay ); +addNodeElement( 'screen', screen ); + +addNodeClass( 'BlendModeNode', BlendModeNode ); + +// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen +// https://mmikk.github.io/papers3d/mm_sfgrad_bump.pdf + +const dHdxy_fwd = tslFn( ( { textureNode, bumpScale } ) => { + + // It's used to preserve the same TextureNode instance + const sampleTexture = ( callback ) => textureNode.cache().context( { getUV: ( texNode ) => callback( texNode.uvNode || uv() ), forceUVContext: true } ); + + const Hll = float( sampleTexture( ( uvNode ) => uvNode ) ); + + return vec2( + float( sampleTexture( ( uvNode ) => uvNode.add( uvNode.dFdx() ) ) ).sub( Hll ), + float( sampleTexture( ( uvNode ) => uvNode.add( uvNode.dFdy() ) ) ).sub( Hll ) + ).mul( bumpScale ); + +} ); + +// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2) + +const perturbNormalArb = tslFn( ( inputs ) => { + + const { surf_pos, surf_norm, dHdxy } = inputs; + + // normalize is done to ensure that the bump map looks the same regardless of the texture's scale + const vSigmaX = surf_pos.dFdx().normalize(); + const vSigmaY = surf_pos.dFdy().normalize(); + const vN = surf_norm; // normalized + + const R1 = vSigmaY.cross( vN ); + const R2 = vN.cross( vSigmaX ); + + const fDet = vSigmaX.dot( R1 ).mul( faceDirection ); + + const vGrad = fDet.sign().mul( dHdxy.x.mul( R1 ).add( dHdxy.y.mul( R2 ) ) ); + + return fDet.abs().mul( surf_norm ).sub( vGrad ).normalize(); + +} ); + +class BumpMapNode extends TempNode { + + constructor( textureNode, scaleNode = null ) { + + super( 'vec3' ); + + this.textureNode = textureNode; + this.scaleNode = scaleNode; + + } + + setup() { + + const bumpScale = this.scaleNode !== null ? this.scaleNode : 1; + const dHdxy = dHdxy_fwd( { textureNode: this.textureNode, bumpScale } ); + + return perturbNormalArb( { + surf_pos: positionView, + surf_norm: normalView, + dHdxy + } ); + + } + +} + +const bumpMap = nodeProxy( BumpMapNode ); + +addNodeElement( 'bumpMap', bumpMap ); + +addNodeClass( 'BumpMapNode', BumpMapNode ); + +const saturationNode = tslFn( ( { color, adjustment } ) => { + + return adjustment.mix( luminance( color.rgb ), color.rgb ); + +} ); + +const vibranceNode = tslFn( ( { color, adjustment } ) => { + + const average = add( color.r, color.g, color.b ).div( 3.0 ); + + const mx = color.r.max( color.g.max( color.b ) ); + const amt = mx.sub( average ).mul( adjustment ).mul( - 3.0 ); + + return mix( color.rgb, mx, amt ); + +} ); + +const hueNode = tslFn( ( { color, adjustment } ) => { + + const k = vec3( 0.57735, 0.57735, 0.57735 ); + + const cosAngle = adjustment.cos(); + + return vec3( color.rgb.mul( cosAngle ).add( k.cross( color.rgb ).mul( adjustment.sin() ).add( k.mul( dot( k, color.rgb ).mul( cosAngle.oneMinus() ) ) ) ) ); + +} ); + +class ColorAdjustmentNode extends TempNode { + + constructor( method, colorNode, adjustmentNode = float( 1 ) ) { + + super( 'vec3' ); + + this.method = method; + + this.colorNode = colorNode; + this.adjustmentNode = adjustmentNode; + + } + + setup() { + + const { method, colorNode, adjustmentNode } = this; + + const callParams = { color: colorNode, adjustment: adjustmentNode }; + + let outputNode = null; + + if ( method === ColorAdjustmentNode.SATURATION ) { + + outputNode = saturationNode( callParams ); + + } else if ( method === ColorAdjustmentNode.VIBRANCE ) { + + outputNode = vibranceNode( callParams ); + + } else if ( method === ColorAdjustmentNode.HUE ) { + + outputNode = hueNode( callParams ); + + } else { + + console.error( `${ this.type }: Method "${ this.method }" not supported!` ); + + } + + return outputNode; + + } + +} + +ColorAdjustmentNode.SATURATION = 'saturation'; +ColorAdjustmentNode.VIBRANCE = 'vibrance'; +ColorAdjustmentNode.HUE = 'hue'; + +const saturation = nodeProxy( ColorAdjustmentNode, ColorAdjustmentNode.SATURATION ); +const vibrance = nodeProxy( ColorAdjustmentNode, ColorAdjustmentNode.VIBRANCE ); +const hue = nodeProxy( ColorAdjustmentNode, ColorAdjustmentNode.HUE ); + +const lumaCoeffs = vec3( 0.2125, 0.7154, 0.0721 ); +const luminance = ( color, luma = lumaCoeffs ) => dot( color, luma ); + +const threshold = ( color, threshold ) => mix( vec3( 0.0 ), color, luminance( color ).sub( threshold ).max( 0 ) ); + +addNodeElement( 'saturation', saturation ); +addNodeElement( 'vibrance', vibrance ); +addNodeElement( 'hue', hue ); +addNodeElement( 'threshold', threshold ); + +addNodeClass( 'ColorAdjustmentNode', ColorAdjustmentNode ); + +// Normal Mapping Without Precomputed Tangents +// http://www.thetenthplanet.de/archives/1180 + +const perturbNormal2Arb = tslFn( ( inputs ) => { + + const { eye_pos, surf_norm, mapN, uv } = inputs; + + const q0 = eye_pos.dFdx(); + const q1 = eye_pos.dFdy(); + const st0 = uv.dFdx(); + const st1 = uv.dFdy(); + + const N = surf_norm; // normalized + + const q1perp = q1.cross( N ); + const q0perp = N.cross( q0 ); + + const T = q1perp.mul( st0.x ).add( q0perp.mul( st1.x ) ); + const B = q1perp.mul( st0.y ).add( q0perp.mul( st1.y ) ); + + const det = T.dot( T ).max( B.dot( B ) ); + const scale = faceDirection.mul( det.inverseSqrt() ); + + return add( T.mul( mapN.x, scale ), B.mul( mapN.y, scale ), N.mul( mapN.z ) ).normalize(); + +} ); + +class NormalMapNode extends TempNode { + + constructor( node, scaleNode = null ) { + + super( 'vec3' ); + + this.node = node; + this.scaleNode = scaleNode; + + this.normalMapType = TangentSpaceNormalMap; + + } + + setup( builder ) { + + const { normalMapType, scaleNode } = this; + + let normalMap = this.node.mul( 2.0 ).sub( 1.0 ); + + if ( scaleNode !== null ) { + + normalMap = vec3( normalMap.xy.mul( scaleNode ), normalMap.z ); + + } + + let outputNode = null; + + if ( normalMapType === ObjectSpaceNormalMap ) { + + outputNode = modelNormalMatrix.mul( normalMap ).normalize(); + + } else if ( normalMapType === TangentSpaceNormalMap ) { + + const tangent = builder.hasGeometryAttribute( 'tangent' ); + + if ( tangent === true ) { + + outputNode = TBNViewMatrix.mul( normalMap ).normalize(); + + } else { + + outputNode = perturbNormal2Arb( { + eye_pos: positionView, + surf_norm: normalView, + mapN: normalMap, + uv: uv() + } ); + + } + + } + + return outputNode; + + } + +} + +const normalMap = nodeProxy( NormalMapNode ); + +addNodeElement( 'normalMap', normalMap ); + +addNodeClass( 'NormalMapNode', NormalMapNode ); + +class PosterizeNode extends TempNode { + + constructor( sourceNode, stepsNode ) { + + super(); + + this.sourceNode = sourceNode; + this.stepsNode = stepsNode; + + } + + setup() { + + const { sourceNode, stepsNode } = this; + + return sourceNode.mul( stepsNode ).floor().div( stepsNode ); + + } + +} + +const posterize = nodeProxy( PosterizeNode ); + +addNodeElement( 'posterize', posterize ); + +addNodeClass( 'PosterizeNode', PosterizeNode ); + +// exposure only +const LinearToneMappingNode = tslFn( ( { color, exposure } ) => { + + return color.mul( exposure ).clamp(); + +} ); + +// source: https://www.cs.utah.edu/docs/techreports/2002/pdf/UUCS-02-001.pdf +const ReinhardToneMappingNode = tslFn( ( { color, exposure } ) => { + + color = color.mul( exposure ); + + return color.div( color.add( 1.0 ) ).clamp(); + +} ); + +// source: http://filmicworlds.com/blog/filmic-tonemapping-operators/ +const OptimizedCineonToneMappingNode = tslFn( ( { color, exposure } ) => { + + // optimized filmic operator by Jim Hejl and Richard Burgess-Dawson + color = color.mul( exposure ); + color = color.sub( 0.004 ).max( 0.0 ); + + const a = color.mul( color.mul( 6.2 ).add( 0.5 ) ); + const b = color.mul( color.mul( 6.2 ).add( 1.7 ) ).add( 0.06 ); + + return a.div( b ).pow( 2.2 ); + +} ); + +// source: https://github.com/selfshadow/ltc_code/blob/master/webgl/shaders/ltc/ltc_blit.fs +const RRTAndODTFit = tslFn( ( { color } ) => { + + const a = color.mul( color.add( 0.0245786 ) ).sub( 0.000090537 ); + const b = color.mul( color.add( 0.4329510 ).mul( 0.983729 ) ).add( 0.238081 ); + + return a.div( b ); + +} ); + +// source: https://github.com/selfshadow/ltc_code/blob/master/webgl/shaders/ltc/ltc_blit.fs +const ACESFilmicToneMappingNode = tslFn( ( { color, exposure } ) => { + + // sRGB => XYZ => D65_2_D60 => AP1 => RRT_SAT + const ACESInputMat = mat3( + 0.59719, 0.35458, 0.04823, + 0.07600, 0.90834, 0.01566, + 0.02840, 0.13383, 0.83777 + ); + + // ODT_SAT => XYZ => D60_2_D65 => sRGB + const ACESOutputMat = mat3( + 1.60475, - 0.53108, - 0.07367, + - 0.10208, 1.10813, - 0.00605, + - 0.00327, - 0.07276, 1.07602 + ); + + color = color.mul( exposure ).div( 0.6 ); + + color = ACESInputMat.mul( color ); + + // Apply RRT and ODT + color = RRTAndODTFit( { color } ); + + color = ACESOutputMat.mul( color ); + + // Clamp to [0, 1] + return color.clamp(); + +} ); + + + +const LINEAR_REC2020_TO_LINEAR_SRGB = mat3( vec3( 1.6605, - 0.1246, - 0.0182 ), vec3( - 0.5876, 1.1329, - 0.1006 ), vec3( - 0.0728, - 0.0083, 1.1187 ) ); +const LINEAR_SRGB_TO_LINEAR_REC2020 = mat3( vec3( 0.6274, 0.0691, 0.0164 ), vec3( 0.3293, 0.9195, 0.0880 ), vec3( 0.0433, 0.0113, 0.8956 ) ); + +const agxDefaultContrastApprox = tslFn( ( [ x_immutable ] ) => { + + const x = vec3( x_immutable ).toVar(); + const x2 = vec3( x.mul( x ) ).toVar(); + const x4 = vec3( x2.mul( x2 ) ).toVar(); + + return float( 15.5 ).mul( x4.mul( x2 ) ).sub( mul( 40.14, x4.mul( x ) ) ).add( mul( 31.96, x4 ).sub( mul( 6.868, x2.mul( x ) ) ).add( mul( 0.4298, x2 ).add( mul( 0.1191, x ).sub( 0.00232 ) ) ) ); + +} ); + +const AGXToneMappingNode = tslFn( ( { color, exposure } ) => { + + const colortone = vec3( color ).toVar(); + const AgXInsetMatrix = mat3( vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ), vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ), vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 ) ); + const AgXOutsetMatrix = mat3( vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ), vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ), vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 ) ); + const AgxMinEv = float( - 12.47393 ); + const AgxMaxEv = float( 4.026069 ); + colortone.mulAssign( exposure ); + colortone.assign( LINEAR_SRGB_TO_LINEAR_REC2020.mul( colortone ) ); + colortone.assign( AgXInsetMatrix.mul( colortone ) ); + colortone.assign( max$1( colortone, 1e-10 ) ); + colortone.assign( log2( colortone ) ); + colortone.assign( colortone.sub( AgxMinEv ).div( AgxMaxEv.sub( AgxMinEv ) ) ); + colortone.assign( clamp( colortone, 0.0, 1.0 ) ); + colortone.assign( agxDefaultContrastApprox( colortone ) ); + colortone.assign( AgXOutsetMatrix.mul( colortone ) ); + colortone.assign( pow( max$1( vec3( 0.0 ), colortone ), vec3( 2.2 ) ) ); + colortone.assign( LINEAR_REC2020_TO_LINEAR_SRGB.mul( colortone ) ); + colortone.assign( clamp( colortone, 0.0, 1.0 ) ); + + return colortone; + +} ); + +// https://modelviewer.dev/examples/tone-mapping + +const NeutralToneMappingNode = tslFn( ( { color, exposure } ) => { + + const StartCompression = float( 0.8 - 0.04 ); + const Desaturation = float( 0.15 ); + + color = color.mul( exposure ); + + const x = min$1( color.r, min$1( color.g, color.b ) ); + const offset = cond( x.lessThan( 0.08 ), x.sub( mul( 6.25, x.mul( x ) ) ), 0.04 ); + + color.subAssign( offset ); + + const peak = max$1( color.r, max$1( color.g, color.b ) ); + + If( peak.lessThan( StartCompression ), () => { + + return color; + + } ); + + const d = sub( 1, StartCompression ); + const newPeak = sub( 1, d.mul( d ).div( peak.add( d.sub( StartCompression ) ) ) ); + color.mulAssign( newPeak.div( peak ) ); + const g = sub( 1, div( 1, Desaturation.mul( peak.sub( newPeak ) ).add( 1 ) ) ); + + return mix( color, vec3( newPeak ), g ); + +} ).setLayout( { + name: 'NeutralToneMapping', + type: 'vec3', + inputs: [ + { name: 'color', type: 'vec3' }, + { name: 'exposure', type: 'float' } + ] +} ); + +const toneMappingLib = { + [ LinearToneMapping ]: LinearToneMappingNode, + [ ReinhardToneMapping ]: ReinhardToneMappingNode, + [ CineonToneMapping ]: OptimizedCineonToneMappingNode, + [ ACESFilmicToneMapping ]: ACESFilmicToneMappingNode, + [ AgXToneMapping ]: AGXToneMappingNode, + [ NeutralToneMapping ]: NeutralToneMappingNode +}; + +class ToneMappingNode extends TempNode { + + constructor( toneMapping = NoToneMapping, exposureNode = toneMappingExposure, colorNode = null ) { + + super( 'vec3' ); + + this.toneMapping = toneMapping; + + this.exposureNode = exposureNode; + this.colorNode = colorNode; + + } + + getCacheKey() { + + let cacheKey = super.getCacheKey(); + cacheKey = '{toneMapping:' + this.toneMapping + ',nodes:' + cacheKey + '}'; + + return cacheKey; + + } + + setup( builder ) { + + const colorNode = this.colorNode || builder.context.color; + const toneMapping = this.toneMapping; + + if ( toneMapping === NoToneMapping ) return colorNode; + + const toneMappingParams = { exposure: this.exposureNode, color: colorNode }; + const toneMappingNode = toneMappingLib[ toneMapping ]; + + let outputNode = null; + + if ( toneMappingNode ) { + + outputNode = toneMappingNode( toneMappingParams ); + + } else { + + console.error( 'ToneMappingNode: Unsupported Tone Mapping configuration.', toneMapping ); + + outputNode = colorNode; + + } + + return outputNode; + + } + +} + +const toneMapping = ( mapping, exposure, color ) => nodeObject( new ToneMappingNode( mapping, nodeObject( exposure ), nodeObject( color ) ) ); +const toneMappingExposure = rendererReference( 'toneMappingExposure', 'float' ); + +addNodeElement( 'toneMapping', ( color, mapping, exposure ) => toneMapping( mapping, exposure, color ) ); + +addNodeClass( 'ToneMappingNode', ToneMappingNode ); + +let _sharedFramebuffer = null; + +class ViewportSharedTextureNode extends ViewportTextureNode { + + constructor( uvNode = viewportTopLeft, levelNode = null ) { + + if ( _sharedFramebuffer === null ) { + + _sharedFramebuffer = new FramebufferTexture(); + + } + + super( uvNode, levelNode, _sharedFramebuffer ); + + } + + updateReference() { + + return this; + + } + +} + +const viewportSharedTexture = nodeProxy( ViewportSharedTextureNode ); + +addNodeElement( 'viewportSharedTexture', viewportSharedTexture ); + +addNodeClass( 'ViewportSharedTextureNode', ViewportSharedTextureNode ); + +const _size$2 = new Vector2(); + +class PassTextureNode extends TextureNode { + + constructor( passNode, texture ) { + + super( texture ); + + this.passNode = passNode; + + this.setUpdateMatrix( false ); + + } + + setup( builder ) { + + this.passNode.build( builder ); + + return super.setup( builder ); + + } + + clone() { + + return new this.constructor( this.passNode, this.value ); + + } + +} + +class PassNode extends TempNode { + + constructor( scope, scene, camera ) { + + super( 'vec4' ); + + this.scope = scope; + this.scene = scene; + this.camera = camera; + + this._pixelRatio = 1; + this._width = 1; + this._height = 1; + + const depthTexture = new DepthTexture(); + depthTexture.isRenderTargetTexture = true; + //depthTexture.type = FloatType; + depthTexture.name = 'PostProcessingDepth'; + + const renderTarget = new RenderTarget( this._width * this._pixelRatio, this._height * this._pixelRatio, { type: HalfFloatType } ); + renderTarget.texture.name = 'PostProcessing'; + renderTarget.depthTexture = depthTexture; + + this.renderTarget = renderTarget; + + this.updateBeforeType = NodeUpdateType.FRAME; + + this._textureNode = nodeObject( new PassTextureNode( this, renderTarget.texture ) ); + this._depthTextureNode = nodeObject( new PassTextureNode( this, depthTexture ) ); + + this._linearDepthNode = null; + this._viewZNode = null; + this._cameraNear = uniform( 0 ); + this._cameraFar = uniform( 0 ); + + this.isPassNode = true; + + } + + isGlobal() { + + return true; + + } + + getTextureNode() { + + return this._textureNode; + + } + + getTextureDepthNode() { + + return this._depthTextureNode; + + } + + getViewZNode() { + + if ( this._viewZNode === null ) { + + const cameraNear = this._cameraNear; + const cameraFar = this._cameraFar; + + this._viewZNode = perspectiveDepthToViewZ( this._depthTextureNode, cameraNear, cameraFar ); + + } + + return this._viewZNode; + + } + + getLinearDepthNode() { + + if ( this._linearDepthNode === null ) { + + const cameraNear = this._cameraNear; + const cameraFar = this._cameraFar; + + // TODO: just if ( builder.camera.isPerspectiveCamera ) + + this._linearDepthNode = viewZToOrthographicDepth( this.getViewZNode(), cameraNear, cameraFar ); + + } + + return this._linearDepthNode; + + } + + setup() { + + return this.scope === PassNode.COLOR ? this.getTextureNode() : this.getLinearDepthNode(); + + } + + updateBefore( frame ) { + + const { renderer } = frame; + const { scene, camera } = this; + + this._pixelRatio = renderer.getPixelRatio(); + + const size = renderer.getSize( _size$2 ); + + this.setSize( size.width, size.height ); + + const currentToneMapping = renderer.toneMapping; + const currentToneMappingNode = renderer.toneMappingNode; + const currentRenderTarget = renderer.getRenderTarget(); + + this._cameraNear.value = camera.near; + this._cameraFar.value = camera.far; + + renderer.toneMapping = NoToneMapping; + renderer.toneMappingNode = null; + renderer.setRenderTarget( this.renderTarget ); + + renderer.render( scene, camera ); + + renderer.toneMapping = currentToneMapping; + renderer.toneMappingNode = currentToneMappingNode; + renderer.setRenderTarget( currentRenderTarget ); + + } + + setSize( width, height ) { + + this._width = width; + this._height = height; + + const effectiveWidth = this._width * this._pixelRatio; + const effectiveHeight = this._height * this._pixelRatio; + + this.renderTarget.setSize( effectiveWidth, effectiveHeight ); + + } + + setPixelRatio( pixelRatio ) { + + this._pixelRatio = pixelRatio; + + this.setSize( this._width, this._height ); + + } + + dispose() { + + this.renderTarget.dispose(); + + } + + +} + +PassNode.COLOR = 'color'; +PassNode.DEPTH = 'depth'; + +const pass = ( scene, camera ) => nodeObject( new PassNode( PassNode.COLOR, scene, camera ) ); +const texturePass = ( pass, texture ) => nodeObject( new PassTextureNode( pass, texture ) ); +const depthPass = ( scene, camera ) => nodeObject( new PassNode( PassNode.DEPTH, scene, camera ) ); + +addNodeClass( 'PassNode', PassNode ); + +// Helper for passes that need to fill the viewport with a single quad. + +const _camera = new OrthographicCamera( - 1, 1, 1, - 1, 0, 1 ); + +// https://github.com/mrdoob/three.js/pull/21358 + +class QuadGeometry extends BufferGeometry { + + constructor( flipY = false ) { + + super(); + + const uv = flipY === false ? [ 0, - 1, 0, 1, 2, 1 ] : [ 0, 2, 0, 0, 2, 0 ]; + + this.setAttribute( 'position', new Float32BufferAttribute( [ - 1, 3, 0, - 1, - 1, 0, 3, - 1, 0 ], 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uv, 2 ) ); + + } + +} + +const _geometry = new QuadGeometry(); + +class QuadMesh extends Mesh { + + constructor( material = null ) { + + super( _geometry, material ); + + this.camera = _camera; + + } + + renderAsync( renderer ) { + + return renderer.renderAsync( this, _camera ); + + } + + render( renderer ) { + + renderer.render( this, _camera ); + + } + +} + +// WebGPU: The use of a single QuadMesh for both gaussian blur passes results in a single RenderObject with a SampledTexture binding that +// alternates between source textures and triggers creation of new BindGroups and BindGroupLayouts every frame. + +const quadMesh1 = new QuadMesh(); +const quadMesh2 = new QuadMesh(); + +class GaussianBlurNode extends TempNode { + + constructor( textureNode, sigma = 2 ) { + + super( 'vec4' ); + + this.textureNode = textureNode; + this.sigma = sigma; + + this.directionNode = vec2( 1 ); + + this._invSize = uniform( new Vector2() ); + this._passDirection = uniform( new Vector2() ); + + this._horizontalRT = new RenderTarget(); + this._horizontalRT.texture.name = 'GaussianBlurNode.horizontal'; + this._verticalRT = new RenderTarget(); + this._verticalRT.texture.name = 'GaussianBlurNode.vertical'; + + this._textureNode = texturePass( this, this._verticalRT.texture ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + this.resolution = new Vector2( 1, 1 ); + + } + + setSize( width, height ) { + + width = Math.max( Math.round( width * this.resolution.x ), 1 ); + height = Math.max( Math.round( height * this.resolution.y ), 1 ); + + this._invSize.value.set( 1 / width, 1 / height ); + this._horizontalRT.setSize( width, height ); + this._verticalRT.setSize( width, height ); + + } + + updateBefore( frame ) { + + const { renderer } = frame; + + const textureNode = this.textureNode; + const map = textureNode.value; + + const currentRenderTarget = renderer.getRenderTarget(); + const currentTexture = textureNode.value; + + quadMesh1.material = this._material; + quadMesh2.material = this._material; + + this.setSize( map.image.width, map.image.height ); + + const textureType = map.type; + + this._horizontalRT.texture.type = textureType; + this._verticalRT.texture.type = textureType; + + // horizontal + + renderer.setRenderTarget( this._horizontalRT ); + + this._passDirection.value.set( 1, 0 ); + + quadMesh1.render( renderer ); + + // vertical + + textureNode.value = this._horizontalRT.texture; + renderer.setRenderTarget( this._verticalRT ); + + this._passDirection.value.set( 0, 1 ); + + quadMesh2.render( renderer ); + + // restore + + renderer.setRenderTarget( currentRenderTarget ); + textureNode.value = currentTexture; + + } + + getTextureNode() { + + return this._textureNode; + + } + + setup( builder ) { + + const textureNode = this.textureNode; + + if ( textureNode.isTextureNode !== true ) { + + console.error( 'GaussianBlurNode requires a TextureNode.' ); + + return vec4(); + + } + + // + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + + const blur = tslFn( () => { + + const kernelSize = 3 + ( 2 * this.sigma ); + const gaussianCoefficients = this._getCoefficients( kernelSize ); + + const invSize = this._invSize; + const direction = vec2( this.directionNode ).mul( this._passDirection ); + + const weightSum = float( gaussianCoefficients[ 0 ] ).toVar(); + const diffuseSum = vec4( sampleTexture( uvNode ).mul( weightSum ) ).toVar(); + + for ( let i = 1; i < kernelSize; i ++ ) { + + const x = float( i ); + const w = float( gaussianCoefficients[ i ] ); + + const uvOffset = vec2( direction.mul( invSize.mul( x ) ) ).toVar(); + + const sample1 = vec4( sampleTexture( uvNode.add( uvOffset ) ) ); + const sample2 = vec4( sampleTexture( uvNode.sub( uvOffset ) ) ); + + diffuseSum.addAssign( sample1.add( sample2 ).mul( w ) ); + weightSum.addAssign( mul( 2.0, w ) ); + + } + + return diffuseSum.div( weightSum ); + + } ); + + // + + const material = this._material || ( this._material = builder.createNodeMaterial() ); + material.fragmentNode = blur(); + + // + + const properties = builder.getNodeProperties( this ); + properties.textureNode = textureNode; + + // + + return this._textureNode; + + } + + _getCoefficients( kernelRadius ) { + + const coefficients = []; + + for ( let i = 0; i < kernelRadius; i ++ ) { + + coefficients.push( 0.39894 * Math.exp( - 0.5 * i * i / ( kernelRadius * kernelRadius ) ) / kernelRadius ); + + } + + return coefficients; + + } + +} + +const gaussianBlur = ( node, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ), sigma ) ); + +addNodeElement( 'gaussianBlur', gaussianBlur ); + +const _size$1 = new Vector2(); + +const quadMeshComp = new QuadMesh(); + +class AfterImageNode extends TempNode { + + constructor( textureNode, damp = 0.96 ) { + + super( textureNode ); + + this.textureNode = textureNode; + this.textureNodeOld = texture(); + this.damp = uniform( damp ); + + this._compRT = new RenderTarget(); + this._compRT.texture.name = 'AfterImageNode.comp'; + + this._oldRT = new RenderTarget(); + this._oldRT.texture.name = 'AfterImageNode.old'; + + this._textureNode = texturePass( this, this._compRT.texture ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + getTextureNode() { + + return this._textureNode; + + } + + setSize( width, height ) { + + this._compRT.setSize( width, height ); + this._oldRT.setSize( width, height ); + + } + + updateBefore( frame ) { + + const { renderer } = frame; + + const textureNode = this.textureNode; + const map = textureNode.value; + + const textureType = map.type; + + this._compRT.texture.type = textureType; + this._oldRT.texture.type = textureType; + + renderer.getDrawingBufferSize( _size$1 ); + + this.setSize( _size$1.x, _size$1.y ); + + + const currentToneMapping = renderer.toneMapping; + const currentToneMappingNode = renderer.toneMappingNode; + const currentRenderTarget = renderer.getRenderTarget(); + const currentTexture = textureNode.value; + + this.textureNodeOld.value = this._oldRT.texture; + + // comp + renderer.toneMapping = NoToneMapping; + renderer.toneMappingNode = null; + renderer.setRenderTarget( this._compRT ); + quadMeshComp.render( renderer ); + + // Swap the textures + const temp = this._oldRT; + this._oldRT = this._compRT; + this._compRT = temp; + + + renderer.toneMapping = currentToneMapping; + renderer.toneMappingNode = currentToneMappingNode; + renderer.setRenderTarget( currentRenderTarget ); + textureNode.value = currentTexture; + + } + + setup( builder ) { + + const textureNode = this.textureNode; + const textureNodeOld = this.textureNodeOld; + + if ( textureNode.isTextureNode !== true ) { + + console.error( 'AfterImageNode requires a TextureNode.' ); + + return vec4(); + + } + + // + + const uvNode = textureNode.uvNode || uv(); + + textureNodeOld.uvNode = uvNode; + + const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + + const when_gt = tslFn( ( [ x_immutable, y_immutable ] ) => { + + const y = float( y_immutable ).toVar(); + const x = vec4( x_immutable ).toVar(); + + return max$1( sign( x.sub( y ) ), 0.0 ); + + } ); + + const afterImg = tslFn( () => { + + const texelOld = vec4( textureNodeOld ); + const texelNew = vec4( sampleTexture( uvNode ) ); + + texelOld.mulAssign( this.damp.mul( when_gt( texelOld, 0.1 ) ) ); + return max$1( texelNew, texelOld ); + + } ); + + // + + const materialComposed = this._materialComposed || ( this._materialComposed = builder.createNodeMaterial() ); + materialComposed.fragmentNode = afterImg(); + + quadMeshComp.material = materialComposed; + + // + + const properties = builder.getNodeProperties( this ); + properties.textureNode = textureNode; + + // + + return this._textureNode; + + } + +} + +const afterImage = ( node, damp ) => nodeObject( new AfterImageNode( nodeObject( node ), damp ) ); + +addNodeElement( 'afterImage', afterImage ); + +const quadMesh$2 = new QuadMesh(); + +class AnamorphicNode extends TempNode { + + constructor( textureNode, tresholdNode, scaleNode, samples ) { + + super( 'vec4' ); + + this.textureNode = textureNode; + this.tresholdNode = tresholdNode; + this.scaleNode = scaleNode; + this.colorNode = vec3( 0.1, 0.0, 1.0 ); + this.samples = samples; + this.resolution = new Vector2( 1, 1 ); + + this._renderTarget = new RenderTarget(); + this._renderTarget.texture.name = 'anamorphic'; + + this._invSize = uniform( new Vector2() ); + + this._textureNode = texturePass( this, this._renderTarget.texture ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + getTextureNode() { + + return this._textureNode; + + } + + setSize( width, height ) { + + this._invSize.value.set( 1 / width, 1 / height ); + + width = Math.max( Math.round( width * this.resolution.x ), 1 ); + height = Math.max( Math.round( height * this.resolution.y ), 1 ); + + this._renderTarget.setSize( width, height ); + + } + + updateBefore( frame ) { + + const { renderer } = frame; + + const textureNode = this.textureNode; + const map = textureNode.value; + + this._renderTarget.texture.type = map.type; + + const currentRenderTarget = renderer.getRenderTarget(); + const currentTexture = textureNode.value; + + quadMesh$2.material = this._material; + + this.setSize( map.image.width, map.image.height ); + + // render + + renderer.setRenderTarget( this._renderTarget ); + + quadMesh$2.render( renderer ); + + // restore + + renderer.setRenderTarget( currentRenderTarget ); + textureNode.value = currentTexture; + + } + + setup( builder ) { + + const textureNode = this.textureNode; + + if ( textureNode.isTextureNode !== true ) { + + console.error( 'AnamorphNode requires a TextureNode.' ); + + return vec4(); + + } + + // + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + + const anamorph = tslFn( () => { + + const samples = this.samples; + const halfSamples = Math.floor( samples / 2 ); + + const total = vec3( 0 ).toVar(); + + loop( { start: - halfSamples, end: halfSamples }, ( { i } ) => { + + const softness = float( i ).abs().div( halfSamples ).oneMinus(); + + const uv = vec2( uvNode.x.add( this._invSize.x.mul( i ).mul( this.scaleNode ) ), uvNode.y ); + const color = sampleTexture( uv ); + const pass = threshold( color, this.tresholdNode ).mul( softness ); + + total.addAssign( pass ); + + } ); + + return total.mul( this.colorNode ); + + } ); + + // + + const material = this._material || ( this._material = builder.createNodeMaterial() ); + material.fragmentNode = anamorph(); + + // + + const properties = builder.getNodeProperties( this ); + properties.textureNode = textureNode; + + // + + return this._textureNode; + + } + +} + +const anamorphic = ( node, threshold = .9, scale = 3, samples = 32 ) => nodeObject( new AnamorphicNode( nodeObject( node ), nodeObject( threshold ), nodeObject( scale ), samples ) ); + +addNodeElement( 'anamorphic', anamorphic ); + +class SobelOperatorNode extends TempNode { + + constructor( textureNode ) { + + super(); + + this.textureNode = textureNode; + + this.updateBeforeType = NodeUpdateType.RENDER; + + this._invSize = uniform( new Vector2() ); + + } + + updateBefore() { + + const map = this.textureNode.value; + + this._invSize.value.set( 1 / map.image.width, 1 / map.image.height ); + + } + + setup() { + + const { textureNode } = this; + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => this.textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + + const sobel = tslFn( () => { + + // Sobel Edge Detection (see https://youtu.be/uihBwtPIBxM) + + const texel = this._invSize; + + // kernel definition (in glsl matrices are filled in column-major order) + + const Gx = mat3( - 1, - 2, - 1, 0, 0, 0, 1, 2, 1 ); // x direction kernel + const Gy = mat3( - 1, 0, 1, - 2, 0, 2, - 1, 0, 1 ); // y direction kernel + + // fetch the 3x3 neighbourhood of a fragment + + // first column + + const tx0y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, - 1 ) ) ) ).xyz ); + const tx0y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, 0 ) ) ) ).xyz ); + const tx0y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( - 1, 1 ) ) ) ).xyz ); + + // second column + + const tx1y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, - 1 ) ) ) ).xyz ); + const tx1y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, 0 ) ) ) ).xyz ); + const tx1y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 0, 1 ) ) ) ).xyz ); + + // third column + + const tx2y0 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, - 1 ) ) ) ).xyz ); + const tx2y1 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, 0 ) ) ) ).xyz ); + const tx2y2 = luminance( sampleTexture( uvNode.add( texel.mul( vec2( 1, 1 ) ) ) ).xyz ); + + // gradient value in x direction + + const valueGx = add( + Gx[ 0 ][ 0 ].mul( tx0y0 ), + Gx[ 1 ][ 0 ].mul( tx1y0 ), + Gx[ 2 ][ 0 ].mul( tx2y0 ), + Gx[ 0 ][ 1 ].mul( tx0y1 ), + Gx[ 1 ][ 1 ].mul( tx1y1 ), + Gx[ 2 ][ 1 ].mul( tx2y1 ), + Gx[ 0 ][ 2 ].mul( tx0y2 ), + Gx[ 1 ][ 2 ].mul( tx1y2 ), + Gx[ 2 ][ 2 ].mul( tx2y2 ) + ); + + + // gradient value in y direction + + const valueGy = add( + Gy[ 0 ][ 0 ].mul( tx0y0 ), + Gy[ 1 ][ 0 ].mul( tx1y0 ), + Gy[ 2 ][ 0 ].mul( tx2y0 ), + Gy[ 0 ][ 1 ].mul( tx0y1 ), + Gy[ 1 ][ 1 ].mul( tx1y1 ), + Gy[ 2 ][ 1 ].mul( tx2y1 ), + Gy[ 0 ][ 2 ].mul( tx0y2 ), + Gy[ 1 ][ 2 ].mul( tx1y2 ), + Gy[ 2 ][ 2 ].mul( tx2y2 ) + ); + + // magnitute of the total gradient + + const G = valueGx.mul( valueGx ).add( valueGy.mul( valueGy ) ).sqrt(); + + return vec4( vec3( G ), 1 ); + + } ); + + const outputNode = sobel(); + + return outputNode; + + } + +} + +const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ) ) ); + +addNodeElement( 'sobel', sobel ); + +class DepthOfFieldNode extends TempNode { + + constructor( textureNode, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) { + + super(); + + this.textureNode = textureNode; + this.viewZNode = viewZNode; + + this.focus = uniform( focus ); + this.aperture = uniform( aperture ); + this.maxblur = uniform( maxblur ); + this._aspect = uniform( 0 ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + updateBefore() { + + const map = this.textureNode.value; + + this._aspect.value = map.image.width / map.image.height; + + } + + setup() { + + const { textureNode } = this; + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => this.textureNode.uv( uv ); + + const dof = tslFn( () => { + + const aspectcorrect = vec2( 1.0, this._aspect ); + + const factor = this.focus.add( this.viewZNode ); + + const dofblur = vec2( clamp( factor.mul( this.aperture ), this.maxblur.negate(), this.maxblur ) ); + + const dofblur9 = dofblur.mul( 0.9 ); + const dofblur7 = dofblur.mul( 0.7 ); + const dofblur4 = dofblur.mul( 0.4 ); + + let col = vec4( 0.0 ); + + col = col.add( sampleTexture( uvNode ) ); + + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.40, 0.0 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.15, 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.37, 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.37, - 0.15 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.15, - 0.37 ).mul( aspectcorrect ).mul( dofblur9 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.40, 0.0 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur7 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, - 0.4 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.4, 0.0 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( - 0.29, - 0.29 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + col = col.add( sampleTexture( uvNode.add( vec2( 0.0, 0.4 ).mul( aspectcorrect ).mul( dofblur4 ) ) ) ); + + col = col.div( 41 ); + col.a = 1; + + return vec4( col ); + + + } ); + + const outputNode = dof(); + + return outputNode; + + } + +} + +const dof = ( node, viewZNode, focus, apeture, maxblur ) => nodeObject( new DepthOfFieldNode( nodeObject( node ), nodeObject( viewZNode ), focus, apeture, maxblur ) ); + +addNodeElement( 'dof', dof ); + +const quadMesh$1 = new QuadMesh(); + +class DotScreenNode extends TempNode { + + constructor( colorNode, center = new Vector2( 0.5, 0.5 ), angle = 1.57, scale = 1 ) { + + super( 'vec4' ); + + this.colorNode = colorNode; + this.center = uniform( center ); + this.angle = uniform( angle ); + this.scale = uniform( scale ); + + this._renderTarget = new RenderTarget(); + this._renderTarget.texture.name = 'dotScreen'; + + this._size = uniform( new Vector2() ); + + this._textureNode = texturePass( this, this._renderTarget.texture ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + getTextureNode() { + + return this._textureNode; + + } + + setSize( width, height ) { + + this._size.value.set( width, height ); + this._renderTarget.setSize( width, height ); + + } + + updateBefore( frame ) { + + const { renderer } = frame; + + const colorNode = this.colorNode; + const map = colorNode.value; + + this._renderTarget.texture.type = map.type; + + const currentRenderTarget = renderer.getRenderTarget(); + const currentTexture = colorNode.value; + + quadMesh$1.material = this._material; + + this.setSize( map.image.width, map.image.height ); + + // render + + renderer.setRenderTarget( this._renderTarget ); + + quadMesh$1.render( renderer ); + + // restore + + renderer.setRenderTarget( currentRenderTarget ); + colorNode.value = currentTexture; + + } + + setup( builder ) { + + const colorNode = this.colorNode; + + const pattern = tslFn( () => { + + const s = sin( this.angle ); + const c = cos( this.angle ); + + const tex = uv().mul( this._size ).sub( this.center ); + const point = vec2( c.mul( tex.x ).sub( s.mul( tex.y ) ), s.mul( tex.x ).add( c.mul( tex.y ) ) ).mul( this.scale ); + + return sin( point.x ).mul( sin( point.y ) ).mul( 4 ); + + } ); + + const dotScreen = tslFn( () => { + + const color = colorNode; + + const average = add( color.r, color.g, color.b ).div( 3 ); + + return vec4( vec3( average.mul( 10 ).sub( 5 ).add( pattern() ) ), color.a ); + + } ); + + // + + const material = this._material || ( this._material = builder.createNodeMaterial() ); + material.fragmentNode = dotScreen(); + + // + + const properties = builder.getNodeProperties( this ); + properties.textureNode = colorNode; + + // + + return this._textureNode; + + } + +} + +const dotScreen = ( node, center, angle, scale ) => nodeObject( new DotScreenNode( nodeObject( node ), center, angle, scale ) ); + +addNodeElement( 'dotScreen', dotScreen ); + +class RGBShiftNode extends TempNode { + + constructor( textureNode, amount = 0.005, angle = 0 ) { + + super( 'vec4' ); + + this.textureNode = textureNode; + this.amount = uniform( amount ); + this.angle = uniform( angle ); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + updateBefore() { + + } + + setup() { + + const { textureNode } = this; + + const uvNode = textureNode.uvNode || uv(); + + const sampleTexture = ( uv ) => this.textureNode.uv( uv ); + + const rgbShift = tslFn( () => { + + const offset = vec2( cos( this.angle ), sin( this.angle ) ).mul( this.amount ); + const cr = sampleTexture( uvNode.add( offset ) ); + const cga = sampleTexture( uvNode ); + const cb = sampleTexture( uvNode.sub( offset ) ); + + return vec4( cr.r, cga.g, cb.b, cga.a ); + + } ); + + return rgbShift(); + + } + +} + +const rgbShift = ( node, amount, angle ) => nodeObject( new RGBShiftNode( nodeObject( node ), amount, angle ) ); + +addNodeElement( 'rgbShift', rgbShift ); + +class FunctionCallNode extends TempNode { + + constructor( functionNode = null, parameters = {} ) { + + super(); + + this.functionNode = functionNode; + this.parameters = parameters; + + } + + setParameters( parameters ) { + + this.parameters = parameters; + + return this; + + } + + getParameters() { + + return this.parameters; + + } + + getNodeType( builder ) { + + return this.functionNode.getNodeType( builder ); + + } + + generate( builder ) { + + const params = []; + + const functionNode = this.functionNode; + + const inputs = functionNode.getInputs( builder ); + const parameters = this.parameters; + + if ( Array.isArray( parameters ) ) { + + for ( let i = 0; i < parameters.length; i ++ ) { + + const inputNode = inputs[ i ]; + const node = parameters[ i ]; + + params.push( node.build( builder, inputNode.type ) ); + + } + + } else { + + for ( const inputNode of inputs ) { + + const node = parameters[ inputNode.name ]; + + if ( node !== undefined ) { + + params.push( node.build( builder, inputNode.type ) ); + + } else { + + throw new Error( `FunctionCallNode: Input '${inputNode.name}' not found in FunctionNode.` ); + + } + + } + + } + + const functionName = functionNode.build( builder, 'property' ); + + return `${functionName}( ${params.join( ', ' )} )`; + + } + +} + +const call = ( func, ...params ) => { + + params = params.length > 1 || ( params[ 0 ] && params[ 0 ].isNode === true ) ? nodeArray( params ) : nodeObjects( params[ 0 ] ); + + return nodeObject( new FunctionCallNode( nodeObject( func ), params ) ); + +}; + +addNodeElement( 'call', call ); + +addNodeClass( 'FunctionCallNode', FunctionCallNode ); + +class ScriptableValueNode extends Node { + + constructor( value = null ) { + + super(); + + this._value = value; + this._cache = null; + + this.inputType = null; + this.outpuType = null; + + this.events = new EventDispatcher(); + + this.isScriptableValueNode = true; + + } + + get isScriptableOutputNode() { + + return this.outputType !== null; + + } + + set value( val ) { + + if ( this._value === val ) return; + + if ( this._cache && this.inputType === 'URL' && this.value.value instanceof ArrayBuffer ) { + + URL.revokeObjectURL( this._cache ); + + this._cache = null; + + } + + this._value = val; + + this.events.dispatchEvent( { type: 'change' } ); + + this.refresh(); + + } + + get value() { + + return this._value; + + } + + refresh() { + + this.events.dispatchEvent( { type: 'refresh' } ); + + } + + getValue() { + + const value = this.value; + + if ( value && this._cache === null && this.inputType === 'URL' && value.value instanceof ArrayBuffer ) { + + this._cache = URL.createObjectURL( new Blob( [ value.value ] ) ); + + } else if ( value && value.value !== null && value.value !== undefined && ( + ( ( this.inputType === 'URL' || this.inputType === 'String' ) && typeof value.value === 'string' ) || + ( this.inputType === 'Number' && typeof value.value === 'number' ) || + ( this.inputType === 'Vector2' && value.value.isVector2 ) || + ( this.inputType === 'Vector3' && value.value.isVector3 ) || + ( this.inputType === 'Vector4' && value.value.isVector4 ) || + ( this.inputType === 'Color' && value.value.isColor ) || + ( this.inputType === 'Matrix3' && value.value.isMatrix3 ) || + ( this.inputType === 'Matrix4' && value.value.isMatrix4 ) + ) ) { + + return value.value; + + } + + return this._cache || value; + + } + + getNodeType( builder ) { + + return this.value && this.value.isNode ? this.value.getNodeType( builder ) : 'float'; + + } + + setup() { + + return this.value && this.value.isNode ? this.value : float(); + + } + + serialize( data ) { + + super.serialize( data ); + + if ( this.value !== null ) { + + if ( this.inputType === 'ArrayBuffer' ) { + + data.value = arrayBufferToBase64( this.value ); + + } else { + + data.value = this.value ? this.value.toJSON( data.meta ).uuid : null; + + } + + } else { + + data.value = null; + + } + + data.inputType = this.inputType; + data.outputType = this.outputType; + + } + + deserialize( data ) { + + super.deserialize( data ); + + let value = null; + + if ( data.value !== null ) { + + if ( data.inputType === 'ArrayBuffer' ) { + + value = base64ToArrayBuffer( data.value ); + + } else if ( data.inputType === 'Texture' ) { + + value = data.meta.textures[ data.value ]; + + } else { + + value = data.meta.nodes[ data.value ] || null; + + } + + } + + this.value = value; + + this.inputType = data.inputType; + this.outputType = data.outputType; + + } + +} + +const scriptableValue = nodeProxy( ScriptableValueNode ); + +addNodeElement( 'scriptableValue', scriptableValue ); + +addNodeClass( 'ScriptableValueNode', ScriptableValueNode ); + +class Resources extends Map { + + get( key, callback = null, ...params ) { + + if ( this.has( key ) ) return super.get( key ); + + if ( callback !== null ) { + + const value = callback( ...params ); + this.set( key, value ); + return value; + + } + + } + +} + +class Parameters { + + constructor( scriptableNode ) { + + this.scriptableNode = scriptableNode; + + } + + get parameters() { + + return this.scriptableNode.parameters; + + } + + get layout() { + + return this.scriptableNode.getLayout(); + + } + + getInputLayout( id ) { + + return this.scriptableNode.getInputLayout( id ); + + } + + get( name ) { + + const param = this.parameters[ name ]; + const value = param ? param.getValue() : null; + + return value; + + } + +} + +const global = new Resources(); + +class ScriptableNode extends Node { + + constructor( codeNode = null, parameters = {} ) { + + super(); + + this.codeNode = codeNode; + this.parameters = parameters; + + this._local = new Resources(); + this._output = scriptableValue(); + this._outputs = {}; + this._source = this.source; + this._method = null; + this._object = null; + this._value = null; + this._needsOutputUpdate = true; + + this.onRefresh = this.onRefresh.bind( this ); + + this.isScriptableNode = true; + + } + + get source() { + + return this.codeNode ? this.codeNode.code : ''; + + } + + setLocal( name, value ) { + + return this._local.set( name, value ); + + } + + getLocal( name ) { + + return this._local.get( name ); + + } + + onRefresh() { + + this._refresh(); + + } + + getInputLayout( id ) { + + for ( const element of this.getLayout() ) { + + if ( element.inputType && ( element.id === id || element.name === id ) ) { + + return element; + + } + + } + + } + + getOutputLayout( id ) { + + for ( const element of this.getLayout() ) { + + if ( element.outputType && ( element.id === id || element.name === id ) ) { + + return element; + + } + + } + + } + + setOutput( name, value ) { + + const outputs = this._outputs; + + if ( outputs[ name ] === undefined ) { + + outputs[ name ] = scriptableValue( value ); + + } else { + + outputs[ name ].value = value; + + } + + return this; + + } + + getOutput( name ) { + + return this._outputs[ name ]; + + } + + getParameter( name ) { + + return this.parameters[ name ]; + + } + + setParameter( name, value ) { + + const parameters = this.parameters; + + if ( value && value.isScriptableNode ) { + + this.deleteParameter( name ); + + parameters[ name ] = value; + parameters[ name ].getDefaultOutput().events.addEventListener( 'refresh', this.onRefresh ); + + } else if ( value && value.isScriptableValueNode ) { + + this.deleteParameter( name ); + + parameters[ name ] = value; + parameters[ name ].events.addEventListener( 'refresh', this.onRefresh ); + + } else if ( parameters[ name ] === undefined ) { + + parameters[ name ] = scriptableValue( value ); + parameters[ name ].events.addEventListener( 'refresh', this.onRefresh ); + + } else { + + parameters[ name ].value = value; + + } + + return this; + + } + + getValue() { + + return this.getDefaultOutput().getValue(); + + } + + deleteParameter( name ) { + + let valueNode = this.parameters[ name ]; + + if ( valueNode ) { + + if ( valueNode.isScriptableNode ) valueNode = valueNode.getDefaultOutput(); + + valueNode.events.removeEventListener( 'refresh', this.onRefresh ); + + } + + return this; + + } + + clearParameters() { + + for ( const name of Object.keys( this.parameters ) ) { + + this.deleteParameter( name ); + + } + + this.needsUpdate = true; + + return this; + + } + + call( name, ...params ) { + + const object = this.getObject(); + const method = object[ name ]; + + if ( typeof method === 'function' ) { + + return method( ...params ); + + } + + } + + async callAsync( name, ...params ) { + + const object = this.getObject(); + const method = object[ name ]; + + if ( typeof method === 'function' ) { + + return method.constructor.name === 'AsyncFunction' ? await method( ...params ) : method( ...params ); + + } + + } + + getNodeType( builder ) { + + return this.getDefaultOutputNode().getNodeType( builder ); + + } + + refresh( output = null ) { + + if ( output !== null ) { + + this.getOutput( output ).refresh(); + + } else { + + this._refresh(); + + } + + } + + getObject() { + + if ( this.needsUpdate ) this.dispose(); + if ( this._object !== null ) return this._object; + + // + + const refresh = () => this.refresh(); + const setOutput = ( id, value ) => this.setOutput( id, value ); + + const parameters = new Parameters( this ); + + const THREE = global.get( 'THREE' ); + const TSL = global.get( 'TSL' ); + + const method = this.getMethod( this.codeNode ); + const params = [ parameters, this._local, global, refresh, setOutput, THREE, TSL ]; + + this._object = method( ...params ); + + const layout = this._object.layout; + + if ( layout ) { + + if ( layout.cache === false ) { + + this._local.clear(); + + } + + // default output + this._output.outputType = layout.outputType || null; + + if ( Array.isArray( layout.elements ) ) { + + for ( const element of layout.elements ) { + + const id = element.id || element.name; + + if ( element.inputType ) { + + if ( this.getParameter( id ) === undefined ) this.setParameter( id, null ); + + this.getParameter( id ).inputType = element.inputType; + + } + + if ( element.outputType ) { + + if ( this.getOutput( id ) === undefined ) this.setOutput( id, null ); + + this.getOutput( id ).outputType = element.outputType; + + } + + } + + } + + } + + return this._object; + + } + + deserialize( data ) { + + super.deserialize( data ); + + for ( const name in this.parameters ) { + + let valueNode = this.parameters[ name ]; + + if ( valueNode.isScriptableNode ) valueNode = valueNode.getDefaultOutput(); + + valueNode.events.addEventListener( 'refresh', this.onRefresh ); + + } + + } + + getLayout() { + + return this.getObject().layout; + + } + + getDefaultOutputNode() { + + const output = this.getDefaultOutput().value; + + if ( output && output.isNode ) { + + return output; + + } + + return float(); + + } + + getDefaultOutput() { + + return this._exec()._output; + + } + + getMethod() { + + if ( this.needsUpdate ) this.dispose(); + if ( this._method !== null ) return this._method; + + // + + const parametersProps = [ 'parameters', 'local', 'global', 'refresh', 'setOutput', 'THREE', 'TSL' ]; + const interfaceProps = [ 'layout', 'init', 'main', 'dispose' ]; + + const properties = interfaceProps.join( ', ' ); + const declarations = 'var ' + properties + '; var output = {};\n'; + const returns = '\nreturn { ...output, ' + properties + ' };'; + + const code = declarations + this.codeNode.code + returns; + + // + + this._method = new Function( ...parametersProps, code ); + + return this._method; + + } + + dispose() { + + if ( this._method === null ) return; + + if ( this._object && typeof this._object.dispose === 'function' ) { + + this._object.dispose(); + + } + + this._method = null; + this._object = null; + this._source = null; + this._value = null; + this._needsOutputUpdate = true; + this._output.value = null; + this._outputs = {}; + + } + + setup() { + + return this.getDefaultOutputNode(); + + } + + set needsUpdate( value ) { + + if ( value === true ) this.dispose(); + + } + + get needsUpdate() { + + return this.source !== this._source; + + } + + _exec() { + + if ( this.codeNode === null ) return this; + + if ( this._needsOutputUpdate === true ) { + + this._value = this.call( 'main' ); + + this._needsOutputUpdate = false; + + } + + this._output.value = this._value; + + return this; + + } + + _refresh() { + + this.needsUpdate = true; + + this._exec(); + + this._output.refresh(); + + } + +} + +const scriptable = nodeProxy( ScriptableNode ); + +addNodeElement( 'scriptable', scriptable ); + +addNodeClass( 'ScriptableNode', ScriptableNode ); + +class FogNode extends Node { + + constructor( colorNode, factorNode ) { + + super( 'float' ); + + this.isFogNode = true; + + this.colorNode = colorNode; + this.factorNode = factorNode; + + } + + getViewZNode( builder ) { + + let viewZ; + + const getViewZ = builder.context.getViewZ; + + if ( getViewZ !== undefined ) { + + viewZ = getViewZ( this ); + + } + + return ( viewZ || positionView.z ).negate(); + + } + + setup() { + + return this.factorNode; + + } + +} + +const fog = nodeProxy( FogNode ); + +addNodeElement( 'fog', fog ); + +addNodeClass( 'FogNode', FogNode ); + +class FogRangeNode extends FogNode { + + constructor( colorNode, nearNode, farNode ) { + + super( colorNode ); + + this.isFogRangeNode = true; + + this.nearNode = nearNode; + this.farNode = farNode; + + } + + setup( builder ) { + + const viewZ = this.getViewZNode( builder ); + + return smoothstep( this.nearNode, this.farNode, viewZ ); + + } + +} + +const rangeFog = nodeProxy( FogRangeNode ); + +addNodeElement( 'rangeFog', rangeFog ); + +addNodeClass( 'FogRangeNode', FogRangeNode ); + +class FogExp2Node extends FogNode { + + constructor( colorNode, densityNode ) { + + super( colorNode ); + + this.isFogExp2Node = true; + + this.densityNode = densityNode; + + } + + setup( builder ) { + + const viewZ = this.getViewZNode( builder ); + const density = this.densityNode; + + return density.mul( density, viewZ, viewZ ).negate().exp().oneMinus(); + + } + +} + +const densityFog = nodeProxy( FogExp2Node ); + +addNodeElement( 'densityFog', densityFog ); + +addNodeClass( 'FogExp2Node', FogExp2Node ); + +let min = null; +let max = null; + +class RangeNode extends Node { + + constructor( minNode = float(), maxNode = float() ) { + + super(); + + this.minNode = minNode; + this.maxNode = maxNode; + + } + + getVectorLength( builder ) { + + const minLength = builder.getTypeLength( getValueType( this.minNode.value ) ); + const maxLength = builder.getTypeLength( getValueType( this.maxNode.value ) ); + + return minLength > maxLength ? minLength : maxLength; + + } + + getNodeType( builder ) { + + return builder.object.count > 1 ? builder.getTypeFromLength( this.getVectorLength( builder ) ) : 'float'; + + } + + setup( builder ) { + + const object = builder.object; + + let output = null; + + if ( object.count > 1 ) { + + const minValue = this.minNode.value; + const maxValue = this.maxNode.value; + + const minLength = builder.getTypeLength( getValueType( minValue ) ); + const maxLength = builder.getTypeLength( getValueType( maxValue ) ); + + min = min || new Vector4(); + max = max || new Vector4(); + + min.setScalar( 0 ); + max.setScalar( 0 ); + + if ( minLength === 1 ) min.setScalar( minValue ); + else if ( minValue.isColor ) min.set( minValue.r, minValue.g, minValue.b ); + else min.set( minValue.x, minValue.y, minValue.z || 0, minValue.w || 0 ); + + if ( maxLength === 1 ) max.setScalar( maxValue ); + else if ( maxValue.isColor ) max.set( maxValue.r, maxValue.g, maxValue.b ); + else max.set( maxValue.x, maxValue.y, maxValue.z || 0, maxValue.w || 0 ); + + const stride = 4; + + const length = stride * object.count; + const array = new Float32Array( length ); + + for ( let i = 0; i < length; i ++ ) { + + const index = i % stride; + + const minElementValue = min.getComponent( index ); + const maxElementValue = max.getComponent( index ); + + array[ i ] = MathUtils.lerp( minElementValue, maxElementValue, Math.random() ); + + } + + const nodeType = this.getNodeType( builder ); + + if ( object.count <= 4096 ) { + + output = buffer( array, 'vec4', object.count ).element( instanceIndex ).convert( nodeType ); + + } else { + + // TODO: Improve anonymous buffer attribute creation removing this part + const bufferAttribute = new InstancedBufferAttribute( array, 4 ); + builder.geometry.setAttribute( '__range' + this.id, bufferAttribute ); + + output = instancedBufferAttribute( bufferAttribute ).convert( nodeType ); + + } + + } else { + + output = float( 0 ); + + } + + return output; + + } + +} + +const range = nodeProxy( RangeNode ); + +addNodeClass( 'RangeNode', RangeNode ); + +class ComputeNode extends Node { + + constructor( computeNode, count, workgroupSize = [ 64 ] ) { + + super( 'void' ); + + this.isComputeNode = true; + + this.computeNode = computeNode; + + this.count = count; + this.workgroupSize = workgroupSize; + this.dispatchCount = 0; + + this.version = 1; + this.updateBeforeType = NodeUpdateType.OBJECT; + + this.updateDispatchCount(); + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + updateDispatchCount() { + + const { count, workgroupSize } = this; + + let size = workgroupSize[ 0 ]; + + for ( let i = 1; i < workgroupSize.length; i ++ ) + size *= workgroupSize[ i ]; + + this.dispatchCount = Math.ceil( count / size ); + + } + + onInit() { } + + updateBefore( { renderer } ) { + + renderer.compute( this ); + + } + + generate( builder ) { + + const { shaderStage } = builder; + + if ( shaderStage === 'compute' ) { + + const snippet = this.computeNode.build( builder, 'void' ); + + if ( snippet !== '' ) { + + builder.addLineFlowCode( snippet ); + + } + + } + + } + +} + +const compute = ( node, count, workgroupSize ) => nodeObject( new ComputeNode( nodeObject( node ), count, workgroupSize ) ); + +addNodeElement( 'compute', compute ); + +addNodeClass( 'ComputeNode', ComputeNode ); + +class LightNode extends Node { + + constructor( scope = LightNode.TARGET_DIRECTION, light = null ) { + + super(); + + this.scope = scope; + this.light = light; + + } + + setup() { + + const { scope, light } = this; + + let output = null; + + if ( scope === LightNode.TARGET_DIRECTION ) { + + output = cameraViewMatrix.transformDirection( objectPosition( light ).sub( objectPosition( light.target ) ) ); + + } + + return output; + + } + + serialize( data ) { + + super.serialize( data ); + + data.scope = this.scope; + + } + + deserialize( data ) { + + super.deserialize( data ); + + this.scope = data.scope; + + } + +} + +LightNode.TARGET_DIRECTION = 'targetDirection'; + +const lightTargetDirection = nodeProxy( LightNode, LightNode.TARGET_DIRECTION ); + +addNodeClass( 'LightNode', LightNode ); + +const getDistanceAttenuation = tslFn( ( inputs ) => { + + const { lightDistance, cutoffDistance, decayExponent } = inputs; + + // based upon Frostbite 3 Moving to Physically-based Rendering + // page 32, equation 26: E[window1] + // https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf + const distanceFalloff = lightDistance.pow( decayExponent ).max( 0.01 ).reciprocal(); + + return cutoffDistance.greaterThan( 0 ).cond( + distanceFalloff.mul( lightDistance.div( cutoffDistance ).pow4().oneMinus().clamp().pow2() ), + distanceFalloff + ); + +} ); // validated + +class PointLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + this.cutoffDistanceNode = uniform( 0 ); + this.decayExponentNode = uniform( 0 ); + + } + + update( frame ) { + + const { light } = this; + + super.update( frame ); + + this.cutoffDistanceNode.value = light.distance; + this.decayExponentNode.value = light.decay; + + } + + setup( builder ) { + + const { colorNode, cutoffDistanceNode, decayExponentNode, light } = this; + + const lightingModel = builder.context.lightingModel; + + const lVector = objectViewPosition( light ).sub( positionView ); // @TODO: Add it into LightNode + + const lightDirection = lVector.normalize(); + const lightDistance = lVector.length(); + + const lightAttenuation = getDistanceAttenuation( { + lightDistance, + cutoffDistance: cutoffDistanceNode, + decayExponent: decayExponentNode + } ); + + const lightColor = colorNode.mul( lightAttenuation ); + + const reflectedLight = builder.context.reflectedLight; + + lightingModel.direct( { + lightDirection, + lightColor, + reflectedLight, + shadowMask: this.shadowMaskNode + }, builder.stack, builder ); + + } + +} + +addNodeClass( 'PointLightNode', PointLightNode ); + +addLightNode( PointLight, PointLightNode ); + +class DirectionalLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + } + + setup( builder ) { + + super.setup( builder ); + + const lightingModel = builder.context.lightingModel; + + const lightColor = this.colorNode; + const lightDirection = lightTargetDirection( this.light ); + const reflectedLight = builder.context.reflectedLight; + + lightingModel.direct( { + lightDirection, + lightColor, + reflectedLight, + shadowMask: this.shadowMaskNode + }, builder.stack, builder ); + + } + +} + +addNodeClass( 'DirectionalLightNode', DirectionalLightNode ); + +addLightNode( DirectionalLight, DirectionalLightNode ); + +const _matrix41 = new Matrix4(); +const _matrix42 = new Matrix4(); + +let ltcLib = null; + +class RectAreaLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + this.halfHeight = uniform( new Vector3() ); + this.halfWidth = uniform( new Vector3() ); + + } + + update( frame ) { + + super.update( frame ); + + const { light } = this; + + const viewMatrix = frame.camera.matrixWorldInverse; + + _matrix42.identity(); + _matrix41.copy( light.matrixWorld ); + _matrix41.premultiply( viewMatrix ); + _matrix42.extractRotation( _matrix41 ); + + this.halfWidth.value.set( light.width * 0.5, 0.0, 0.0 ); + this.halfHeight.value.set( 0.0, light.height * 0.5, 0.0 ); + + this.halfWidth.value.applyMatrix4( _matrix42 ); + this.halfHeight.value.applyMatrix4( _matrix42 ); + + } + + setup( builder ) { + + super.setup( builder ); + + let ltc_1, ltc_2; + + if ( builder.isAvailable( 'float32Filterable' ) ) { + + ltc_1 = texture( ltcLib.LTC_FLOAT_1 ); + ltc_2 = texture( ltcLib.LTC_FLOAT_2 ); + + } else { + + ltc_1 = texture( ltcLib.LTC_HALF_1 ); + ltc_2 = texture( ltcLib.LTC_HALF_2 ); + + } + + const { colorNode, light } = this; + const lightingModel = builder.context.lightingModel; + + const lightPosition = objectViewPosition( light ); + const reflectedLight = builder.context.reflectedLight; + + lightingModel.directRectArea( { + lightColor: colorNode, + lightPosition, + halfWidth: this.halfWidth, + halfHeight: this.halfHeight, + reflectedLight, + ltc_1, + ltc_2 + }, builder.stack, builder ); + + } + + static setLTC( ltc ) { + + ltcLib = ltc; + + } + +} + +addNodeClass( 'RectAreaLightNode', RectAreaLightNode ); + +addLightNode( RectAreaLight, RectAreaLightNode ); + +class SpotLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + this.coneCosNode = uniform( 0 ); + this.penumbraCosNode = uniform( 0 ); + + this.cutoffDistanceNode = uniform( 0 ); + this.decayExponentNode = uniform( 0 ); + + } + + update( frame ) { + + super.update( frame ); + + const { light } = this; + + this.coneCosNode.value = Math.cos( light.angle ); + this.penumbraCosNode.value = Math.cos( light.angle * ( 1 - light.penumbra ) ); + + this.cutoffDistanceNode.value = light.distance; + this.decayExponentNode.value = light.decay; + + } + + getSpotAttenuation( angleCosine ) { + + const { coneCosNode, penumbraCosNode } = this; + + return smoothstep( coneCosNode, penumbraCosNode, angleCosine ); + + } + + setup( builder ) { + + super.setup( builder ); + + const lightingModel = builder.context.lightingModel; + + const { colorNode, cutoffDistanceNode, decayExponentNode, light } = this; + + const lVector = objectViewPosition( light ).sub( positionView ); // @TODO: Add it into LightNode + + const lightDirection = lVector.normalize(); + const angleCos = lightDirection.dot( lightTargetDirection( light ) ); + const spotAttenuation = this.getSpotAttenuation( angleCos ); + + const lightDistance = lVector.length(); + + const lightAttenuation = getDistanceAttenuation( { + lightDistance, + cutoffDistance: cutoffDistanceNode, + decayExponent: decayExponentNode + } ); + + const lightColor = colorNode.mul( spotAttenuation ).mul( lightAttenuation ); + + const reflectedLight = builder.context.reflectedLight; + + lightingModel.direct( { + lightDirection, + lightColor, + reflectedLight, + shadowMask: this.shadowMaskNode + }, builder.stack, builder ); + + } + +} + +addNodeClass( 'SpotLightNode', SpotLightNode ); + +addLightNode( SpotLight, SpotLightNode ); + +class IESSpotLight extends SpotLight { + + constructor( color, intensity, distance, angle, penumbra, decay ) { + + super( color, intensity, distance, angle, penumbra, decay ); + + this.iesMap = null; + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.iesMap = source.iesMap; + + return this; + + } + +} + +class IESSpotLightNode extends SpotLightNode { + + getSpotAttenuation( angleCosine ) { + + const iesMap = this.light.iesMap; + + let spotAttenuation = null; + + if ( iesMap && iesMap.isTexture === true ) { + + const angle = angleCosine.acos().mul( 1.0 / Math.PI ); + + spotAttenuation = texture( iesMap, vec2( angle, 0 ), 0 ).r; + + } else { + + spotAttenuation = super.getSpotAttenuation( angleCosine ); + + } + + return spotAttenuation; + + } + +} + +addNodeClass( 'IESSpotLightNode', IESSpotLightNode ); + +addLightNode( IESSpotLight, IESSpotLightNode ); + +class AmbientLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + } + + setup( { context } ) { + + context.irradiance.addAssign( this.colorNode ); + + } + +} + +addNodeClass( 'AmbientLightNode', AmbientLightNode ); + +addLightNode( AmbientLight, AmbientLightNode ); + +class HemisphereLightNode extends AnalyticLightNode { + + constructor( light = null ) { + + super( light ); + + this.lightPositionNode = objectPosition( light ); + this.lightDirectionNode = this.lightPositionNode.normalize(); + + this.groundColorNode = uniform( new Color() ); + + } + + update( frame ) { + + const { light } = this; + + super.update( frame ); + + this.lightPositionNode.object3d = light; + + this.groundColorNode.value.copy( light.groundColor ).multiplyScalar( light.intensity ); + + } + + setup( builder ) { + + const { colorNode, groundColorNode, lightDirectionNode } = this; + + const dotNL = normalView.dot( lightDirectionNode ); + const hemiDiffuseWeight = dotNL.mul( 0.5 ).add( 0.5 ); + + const irradiance = mix( groundColorNode, colorNode, hemiDiffuseWeight ); + + builder.context.irradiance.addAssign( irradiance ); + + } + +} + +addNodeClass( 'HemisphereLightNode', HemisphereLightNode ); + +addLightNode( HemisphereLight, HemisphereLightNode ); + +const checkerShaderNode = tslFn( ( inputs ) => { + + const uv = inputs.uv.mul( 2.0 ); + + const cx = uv.x.floor(); + const cy = uv.y.floor(); + const result = cx.add( cy ).mod( 2.0 ); + + return result.sign(); + +} ); + +class CheckerNode extends TempNode { + + constructor( uvNode = uv() ) { + + super( 'float' ); + + this.uvNode = uvNode; + + } + + setup() { + + return checkerShaderNode( { uv: this.uvNode } ); + + } + +} + +const checker = nodeProxy( CheckerNode ); + +addNodeElement( 'checker', checker ); + +addNodeClass( 'CheckerNode', CheckerNode ); + +class NodeLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + this.textures = {}; + + } + + load( url, onLoad, onProgress, onError ) { + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, ( text ) => { + + try { + + onLoad( this.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + this.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parseNodes( json ) { + + const nodes = {}; + + if ( json !== undefined ) { + + for ( const nodeJSON of json ) { + + const { uuid, type } = nodeJSON; + + nodes[ uuid ] = nodeObject( createNodeFromType( type ) ); // @TODO: Maybe nodeObjectify the node in createNodeFromType? + nodes[ uuid ].uuid = uuid; + + } + + const meta = { nodes, textures: this.textures }; + + for ( const nodeJSON of json ) { + + nodeJSON.meta = meta; + + const node = nodes[ nodeJSON.uuid ]; + node.deserialize( nodeJSON ); + + delete nodeJSON.meta; + + } + + } + + return nodes; + + } + + parse( json ) { + + const node = nodeObject( createNodeFromType( json.type ) ); + node.uuid = json.uuid; + + const nodes = this.parseNodes( json.nodes ); + const meta = { nodes, textures: this.textures }; + + json.meta = meta; + + node.deserialize( json ); + + delete json.meta; + + return node; + + } + + setTextures( value ) { + + this.textures = value; + return this; + + } + +} + +const defaultValues$e = new PointsMaterial(); + +class InstancedPointsNodeMaterial extends NodeMaterial { + + constructor( params = {} ) { + + super(); + + this.normals = false; + + this.lights = false; + + this.useAlphaToCoverage = true; + + this.useColor = params.vertexColors; + + this.pointWidth = 1; + + this.pointColorNode = null; + + this.setDefaultValues( defaultValues$e ); + + this.setupShaders(); + + this.setValues( params ); + + } + + setupShaders() { + + const useAlphaToCoverage = this.alphaToCoverage; + const useColor = this.useColor; + + this.vertexNode = tslFn( () => { + + //vUv = uv; + varying( vec2(), 'vUv' ).assign( uv() ); // @TODO: Analyze other way to do this + + const instancePosition = attribute( 'instancePosition' ); + + // camera space + const mvPos = property( 'vec4', 'mvPos' ); + mvPos.assign( modelViewMatrix.mul( vec4( instancePosition, 1.0 ) ) ); + + const aspect = viewport.z.div( viewport.w ); + + // clip space + const clipPos = cameraProjectionMatrix.mul( mvPos ); + + // offset in ndc space + const offset = property( 'vec2', 'offset' ); + offset.assign( positionGeometry.xy ); + offset.assign( offset.mul( materialPointWidth ) ); + offset.assign( offset.div( viewport.z ) ); + offset.y.assign( offset.y.mul( aspect ) ); + + // back to clip space + offset.assign( offset.mul( clipPos.w ) ); + + //clipPos.xy += offset; + clipPos.assign( clipPos.add( vec4( offset, 0, 0 ) ) ); + + return clipPos; + + //vec4 mvPosition = mvPos; // this was used for somethihng... + + } )(); + + this.fragmentNode = tslFn( () => { + + const vUv = varying( vec2(), 'vUv' ); + + // force assignment into correct place in flow + const alpha = property( 'float', 'alpha' ); + alpha.assign( 1 ); + + const a = vUv.x; + const b = vUv.y; + + const len2 = a.mul( a ).add( b.mul( b ) ); + + if ( useAlphaToCoverage ) { + + // force assignment out of following 'if' statement - to avoid uniform control flow errors + const dlen = property( 'float', 'dlen' ); + dlen.assign( len2.fwidth() ); + + alpha.assign( smoothstep( dlen.oneMinus(), dlen.add( 1 ), len2 ).oneMinus() ); + + } else { + + len2.greaterThan( 1.0 ).discard(); + + } + + let pointColorNode; + + if ( this.pointColorNode ) { + + pointColorNode = this.pointColorNode; + + } else { + + if ( useColor ) { + + const instanceColor = attribute( 'instanceColor' ); + + pointColorNode = instanceColor.mul( materialColor ); + + } else { + + pointColorNode = materialColor; + + } + + } + + return vec4( pointColorNode, alpha ); + + } )(); + + this.needsUpdate = true; + + } + + get alphaToCoverage() { + + return this.useAlphaToCoverage; + + } + + set alphaToCoverage( value ) { + + if ( this.useAlphaToCoverage !== value ) { + + this.useAlphaToCoverage = value; + this.setupShaders(); + + } + + } + +} + +addNodeMaterial( 'InstancedPointsNodeMaterial', InstancedPointsNodeMaterial ); + +const defaultValues$d = new LineBasicMaterial(); + +class LineBasicNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isLineBasicNodeMaterial = true; + + this.lights = false; + this.normals = false; + + this.setDefaultValues( defaultValues$d ); + + this.setValues( parameters ); + + } + +} + +addNodeMaterial( 'LineBasicNodeMaterial', LineBasicNodeMaterial ); + +const defaultValues$c = new LineDashedMaterial(); + +class LineDashedNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isLineDashedNodeMaterial = true; + + this.lights = false; + this.normals = false; + + this.setDefaultValues( defaultValues$c ); + + this.offsetNode = null; + this.dashScaleNode = null; + this.dashSizeNode = null; + this.gapSizeNode = null; + + this.setValues( parameters ); + + } + + setupVariants() { + + const offsetNode = this.offsetNode; + const dashScaleNode = this.dashScaleNode ? float( this.dashScaleNode ) : materialLineScale; + const dashSizeNode = this.dashSizeNode ? float( this.dashSizeNode ) : materialLineDashSize; + const gapSizeNode = this.dashSizeNode ? float( this.dashGapNode ) : materialLineGapSize; + + dashSize.assign( dashSizeNode ); + gapSize.assign( gapSizeNode ); + + const vLineDistance = varying( attribute( 'lineDistance' ).mul( dashScaleNode ) ); + const vLineDistanceOffset = offsetNode ? vLineDistance.add( offsetNode ) : vLineDistance; + + vLineDistanceOffset.mod( dashSize.add( gapSize ) ).greaterThan( dashSize ).discard(); + + } + +} + +addNodeMaterial( 'LineDashedNodeMaterial', LineDashedNodeMaterial ); + +const defaultValues$b = new LineDashedMaterial(); + +class Line2NodeMaterial extends NodeMaterial { + + constructor( params = {} ) { + + super(); + + this.normals = false; + this.lights = false; + + this.setDefaultValues( defaultValues$b ); + + this.useAlphaToCoverage = true; + this.useColor = params.vertexColors; + this.useDash = params.dashed; + this.useWorldUnits = false; + + this.dashOffset = 0; + this.lineWidth = 1; + + this.lineColorNode = null; + + this.offsetNode = null; + this.dashScaleNode = null; + this.dashSizeNode = null; + this.gapSizeNode = null; + + this.setValues( params ); + + } + + setup( builder ) { + + this.setupShaders(); + + super.setup( builder ); + + } + + setupShaders() { + + const useAlphaToCoverage = this.alphaToCoverage; + const useColor = this.useColor; + const useDash = this.dashed; + const useWorldUnits = this.worldUnits; + + const trimSegment = tslFn( ( { start, end } ) => { + + const a = cameraProjectionMatrix.element( 2 ).element( 2 ); // 3nd entry in 3th column + const b = cameraProjectionMatrix.element( 3 ).element( 2 ); // 3nd entry in 4th column + const nearEstimate = b.mul( - 0.5 ).div( a ); + + const alpha = nearEstimate.sub( start.z ).div( end.z.sub( start.z ) ); + + return vec4( mix( start.xyz, end.xyz, alpha ), end.w ); + + } ); + + this.vertexNode = tslFn( () => { + + varyingProperty( 'vec2', 'vUv' ).assign( uv() ); + + const instanceStart = attribute( 'instanceStart' ); + const instanceEnd = attribute( 'instanceEnd' ); + + // camera space + + const start = property( 'vec4', 'start' ); + const end = property( 'vec4', 'end' ); + + start.assign( modelViewMatrix.mul( vec4( instanceStart, 1.0 ) ) ); // force assignment into correct place in flow + end.assign( modelViewMatrix.mul( vec4( instanceEnd, 1.0 ) ) ); + + if ( useWorldUnits ) { + + varyingProperty( 'vec3', 'worldStart' ).assign( start.xyz ); + varyingProperty( 'vec3', 'worldEnd' ).assign( end.xyz ); + + } + + const aspect = viewport.z.div( viewport.w ); + + // special case for perspective projection, and segments that terminate either in, or behind, the camera plane + // clearly the gpu firmware has a way of addressing this issue when projecting into ndc space + // but we need to perform ndc-space calculations in the shader, so we must address this issue directly + // perhaps there is a more elegant solution -- WestLangley + + const perspective = cameraProjectionMatrix.element( 2 ).element( 3 ).equal( - 1.0 ); // 4th entry in the 3rd column + + If( perspective, () => { + + If( start.z.lessThan( 0.0 ).and( end.z.greaterThan( 0.0 ) ), () => { + + end.assign( trimSegment( { start: start, end: end } ) ); + + } ).elseif( end.z.lessThan( 0.0 ).and( start.z.greaterThanEqual( 0.0 ) ), () => { + + start.assign( trimSegment( { start: end, end: start } ) ); + + } ); + + } ); + + // clip space + const clipStart = cameraProjectionMatrix.mul( start ); + const clipEnd = cameraProjectionMatrix.mul( end ); + + // ndc space + const ndcStart = clipStart.xyz.div( clipStart.w ); + const ndcEnd = clipEnd.xyz.div( clipEnd.w ); + + // direction + const dir = ndcEnd.xy.sub( ndcStart.xy ).temp(); + + // account for clip-space aspect ratio + dir.x.assign( dir.x.mul( aspect ) ); + dir.assign( dir.normalize() ); + + const clip = temp( vec4() ); + + if ( useWorldUnits ) { + + // get the offset direction as perpendicular to the view vector + + const worldDir = end.xyz.sub( start.xyz ).normalize(); + const tmpFwd = mix( start.xyz, end.xyz, 0.5 ).normalize(); + const worldUp = worldDir.cross( tmpFwd ).normalize(); + const worldFwd = worldDir.cross( worldUp ); + + const worldPos = varyingProperty( 'vec4', 'worldPos' ); + + worldPos.assign( positionGeometry.y.lessThan( 0.5 ).cond( start, end ) ); + + // height offset + const hw = materialLineWidth.mul( 0.5 ); + worldPos.addAssign( vec4( positionGeometry.x.lessThan( 0.0 ).cond( worldUp.mul( hw ), worldUp.mul( hw ).negate() ), 0 ) ); + + // don't extend the line if we're rendering dashes because we + // won't be rendering the endcaps + if ( ! useDash ) { + + // cap extension + worldPos.addAssign( vec4( positionGeometry.y.lessThan( 0.5 ).cond( worldDir.mul( hw ).negate(), worldDir.mul( hw ) ), 0 ) ); + + // add width to the box + worldPos.addAssign( vec4( worldFwd.mul( hw ), 0 ) ); + + // endcaps + If( positionGeometry.y.greaterThan( 1.0 ).or( positionGeometry.y.lessThan( 0.0 ) ), () => { + + worldPos.subAssign( vec4( worldFwd.mul( 2.0 ).mul( hw ), 0 ) ); + + } ); + + } + + // project the worldpos + clip.assign( cameraProjectionMatrix.mul( worldPos ) ); + + // shift the depth of the projected points so the line + // segments overlap neatly + const clipPose = temp( vec3() ); + + clipPose.assign( positionGeometry.y.lessThan( 0.5 ).cond( ndcStart, ndcEnd ) ); + clip.z.assign( clipPose.z.mul( clip.w ) ); + + } else { + + const offset = property( 'vec2', 'offset' ); + + offset.assign( vec2( dir.y, dir.x.negate() ) ); + + // undo aspect ratio adjustment + dir.x.assign( dir.x.div( aspect ) ); + offset.x.assign( offset.x.div( aspect ) ); + + // sign flip + offset.assign( positionGeometry.x.lessThan( 0.0 ).cond( offset.negate(), offset ) ); + + // endcaps + If( positionGeometry.y.lessThan( 0.0 ), () => { + + offset.assign( offset.sub( dir ) ); + + } ).elseif( positionGeometry.y.greaterThan( 1.0 ), () => { + + offset.assign( offset.add( dir ) ); + + } ); + + // adjust for linewidth + offset.assign( offset.mul( materialLineWidth ) ); + + // adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ... + offset.assign( offset.div( viewport.w ) ); + + // select end + clip.assign( positionGeometry.y.lessThan( 0.5 ).cond( clipStart, clipEnd ) ); + + // back to clip space + offset.assign( offset.mul( clip.w ) ); + + clip.assign( clip.add( vec4( offset, 0, 0 ) ) ); + + } + + return clip; + + } )(); + + const closestLineToLine = tslFn( ( { p1, p2, p3, p4 } ) => { + + const p13 = p1.sub( p3 ); + const p43 = p4.sub( p3 ); + + const p21 = p2.sub( p1 ); + + const d1343 = p13.dot( p43 ); + const d4321 = p43.dot( p21 ); + const d1321 = p13.dot( p21 ); + const d4343 = p43.dot( p43 ); + const d2121 = p21.dot( p21 ); + + const denom = d2121.mul( d4343 ).sub( d4321.mul( d4321 ) ); + const numer = d1343.mul( d4321 ).sub( d1321.mul( d4343 ) ); + + const mua = numer.div( denom ).clamp(); + const mub = d1343.add( d4321.mul( mua ) ).div( d4343 ).clamp(); + + return vec2( mua, mub ); + + } ); + + this.fragmentNode = tslFn( () => { + + const vUv = varyingProperty( 'vec2', 'vUv' ); + + if ( useDash ) { + + const offsetNode = this.offsetNode ? float( this.offsetNodeNode ) : materialLineDashOffset; + const dashScaleNode = this.dashScaleNode ? float( this.dashScaleNode ) : materialLineScale; + const dashSizeNode = this.dashSizeNode ? float( this.dashSizeNode ) : materialLineDashSize; + const gapSizeNode = this.dashSizeNode ? float( this.dashGapNode ) : materialLineGapSize; + + dashSize.assign( dashSizeNode ); + gapSize.assign( gapSizeNode ); + + const instanceDistanceStart = attribute( 'instanceDistanceStart' ); + const instanceDistanceEnd = attribute( 'instanceDistanceEnd' ); + + const lineDistance = positionGeometry.y.lessThan( 0.5 ).cond( dashScaleNode.mul( instanceDistanceStart ), materialLineScale.mul( instanceDistanceEnd ) ); + + const vLineDistance = varying( lineDistance.add( materialLineDashOffset ) ); + const vLineDistanceOffset = offsetNode ? vLineDistance.add( offsetNode ) : vLineDistance; + + vUv.y.lessThan( - 1.0 ).or( vUv.y.greaterThan( 1.0 ) ).discard(); // discard endcaps + vLineDistanceOffset.mod( dashSize.add( gapSize ) ).greaterThan( dashSize ).discard(); // todo - FIX + + } + + // force assignment into correct place in flow + const alpha = property( 'float', 'alpha' ); + alpha.assign( 1 ); + + if ( useWorldUnits ) { + + const worldStart = varyingProperty( 'vec3', 'worldStart' ); + const worldEnd = varyingProperty( 'vec3', 'worldEnd' ); + + // Find the closest points on the view ray and the line segment + const rayEnd = varyingProperty( 'vec4', 'worldPos' ).xyz.normalize().mul( 1e5 ); + const lineDir = worldEnd.sub( worldStart ); + const params = closestLineToLine( { p1: worldStart, p2: worldEnd, p3: vec3( 0.0, 0.0, 0.0 ), p4: rayEnd } ); + + const p1 = worldStart.add( lineDir.mul( params.x ) ); + const p2 = rayEnd.mul( params.y ); + const delta = p1.sub( p2 ); + const len = delta.length(); + const norm = len.div( materialLineWidth ); + + if ( ! useDash ) { + + if ( useAlphaToCoverage ) { + + const dnorm = norm.fwidth(); + alpha.assign( smoothstep( dnorm.negate().add( 0.5 ), dnorm.add( 0.5 ), norm ).oneMinus() ); + + } else { + + norm.greaterThan( 0.5 ).discard(); + + } + + } + + } else { + + // round endcaps + + if ( useAlphaToCoverage ) { + + const a = vUv.x; + const b = vUv.y.greaterThan( 0.0 ).cond( vUv.y.sub( 1.0 ), vUv.y.add( 1.0 ) ); + + const len2 = a.mul( a ).add( b.mul( b ) ); + + // force assignment out of following 'if' statement - to avoid uniform control flow errors + const dlen = property( 'float', 'dlen' ); + dlen.assign( len2.fwidth() ); + + If( vUv.y.abs().greaterThan( 1.0 ), () => { + + alpha.assign( smoothstep( dlen.oneMinus(), dlen.add( 1 ), len2 ).oneMinus() ); + + } ); + + } else { + + If( vUv.y.abs().greaterThan( 1.0 ), () => { + + const a = vUv.x; + const b = vUv.y.greaterThan( 0.0 ).cond( vUv.y.sub( 1.0 ), vUv.y.add( 1.0 ) ); + const len2 = a.mul( a ).add( b.mul( b ) ); + + len2.greaterThan( 1.0 ).discard(); + + } ); + + } + + } + + let lineColorNode; + + if ( this.lineColorNode ) { + + lineColorNode = this.lineColorNode; + + } else { + + if ( useColor ) { + + const instanceColorStart = attribute( 'instanceColorStart' ); + const instanceColorEnd = attribute( 'instanceColorEnd' ); + + const instanceColor = positionGeometry.y.lessThan( 0.5 ).cond( instanceColorStart, instanceColorEnd ); + + lineColorNode = instanceColor.mul( materialColor ); + + } else { + + lineColorNode = materialColor; + + } + + } + + return vec4( lineColorNode, alpha ); + + } )(); + + } + + + get worldUnits() { + + return this.useWorldUnits; + + } + + set worldUnits( value ) { + + if ( this.useWorldUnits !== value ) { + + this.useWorldUnits = value; + this.needsUpdate = true; + + } + + } + + + get dashed() { + + return this.useDash; + + } + + set dashed( value ) { + + if ( this.useDash !== value ) { + + this.useDash = value; + this.needsUpdate = true; + + } + + } + + + get alphaToCoverage() { + + return this.useAlphaToCoverage; + + } + + set alphaToCoverage( value ) { + + if ( this.useAlphaToCoverage !== value ) { + + this.useAlphaToCoverage = value; + this.needsUpdate = true; + + } + + } + +} + +addNodeMaterial( 'Line2NodeMaterial', Line2NodeMaterial ); + +const defaultValues$a = new MeshNormalMaterial(); + +class MeshNormalNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.lights = false; + + this.isMeshNormalNodeMaterial = true; + + this.setDefaultValues( defaultValues$a ); + + this.setValues( parameters ); + + } + + setupDiffuseColor() { + + const opacityNode = this.opacityNode ? float( this.opacityNode ) : materialOpacity; + + diffuseColor.assign( vec4( directionToColor( transformedNormalView ), opacityNode ) ); + + } + +} + +addNodeMaterial( 'MeshNormalNodeMaterial', MeshNormalNodeMaterial ); + +const defaultValues$9 = new MeshBasicMaterial(); + +class MeshBasicNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshBasicNodeMaterial = true; + + this.lights = false; + //this.normals = false; @TODO: normals usage by context + + this.setDefaultValues( defaultValues$9 ); + + this.setValues( parameters ); + + } + +} + +addNodeMaterial( 'MeshBasicNodeMaterial', MeshBasicNodeMaterial ); + +const F_Schlick = tslFn( ( { f0, f90, dotVH } ) => { + + // Original approximation by Christophe Schlick '94 + // float fresnel = pow( 1.0 - dotVH, 5.0 ); + + // Optimized variant (presented by Epic at SIGGRAPH '13) + // https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf + const fresnel = dotVH.mul( - 5.55473 ).sub( 6.98316 ).mul( dotVH ).exp2(); + + return f0.mul( fresnel.oneMinus() ).add( f90.mul( fresnel ) ); + +} ); // validated + +const BRDF_Lambert = tslFn( ( inputs ) => { + + return inputs.diffuseColor.mul( 1 / Math.PI ); // punctual light + +} ); // validated + +const G_BlinnPhong_Implicit = () => float( 0.25 ); + +const D_BlinnPhong = tslFn( ( { dotNH } ) => { + + return shininess.mul( float( 0.5 ) ).add( 1.0 ).mul( float( 1 / Math.PI ) ).mul( dotNH.pow( shininess ) ); + +} ); + +const BRDF_BlinnPhong = tslFn( ( { lightDirection } ) => { + + const halfDir = lightDirection.add( positionViewDirection ).normalize(); + + const dotNH = transformedNormalView.dot( halfDir ).clamp(); + const dotVH = positionViewDirection.dot( halfDir ).clamp(); + + const F = F_Schlick( { f0: specularColor, f90: 1.0, dotVH } ); + const G = G_BlinnPhong_Implicit(); + const D = D_BlinnPhong( { dotNH } ); + + return F.mul( G ).mul( D ); + +} ); + +class PhongLightingModel extends LightingModel { + + constructor( specular = true ) { + + super(); + + this.specular = specular; + + } + + direct( { lightDirection, lightColor, reflectedLight } ) { + + const dotNL = transformedNormalView.dot( lightDirection ).clamp(); + const irradiance = dotNL.mul( lightColor ); + + reflectedLight.directDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor: diffuseColor.rgb } ) ) ); + + if ( this.specular === true ) { + + reflectedLight.directSpecular.addAssign( irradiance.mul( BRDF_BlinnPhong( { lightDirection } ) ).mul( materialSpecularStrength ) ); + + } + + } + + indirectDiffuse( { irradiance, reflectedLight } ) { + + reflectedLight.indirectDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor } ) ) ); + + } + +} + +const defaultValues$8 = new MeshLambertMaterial(); + +class MeshLambertNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshLambertNodeMaterial = true; + + this.lights = true; + + this.setDefaultValues( defaultValues$8 ); + + this.setValues( parameters ); + + } + + setupLightingModel( /*builder*/ ) { + + return new PhongLightingModel( false ); // ( specular ) -> force lambert + + } + +} + +addNodeMaterial( 'MeshLambertNodeMaterial', MeshLambertNodeMaterial ); + +const defaultValues$7 = new MeshPhongMaterial(); + +class MeshPhongNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshPhongNodeMaterial = true; + + this.lights = true; + + this.shininessNode = null; + this.specularNode = null; + + this.setDefaultValues( defaultValues$7 ); + + this.setValues( parameters ); + + } + + setupLightingModel( /*builder*/ ) { + + return new PhongLightingModel(); + + } + + setupVariants() { + + // SHININESS + + const shininessNode = ( this.shininessNode ? float( this.shininessNode ) : materialShininess ).max( 1e-4 ); // to prevent pow( 0.0, 0.0 ) + + shininess.assign( shininessNode ); + + // SPECULAR COLOR + + const specularNode = this.specularNode || materialSpecular; + + specularColor.assign( specularNode ); + + } + + copy( source ) { + + this.shininessNode = source.shininessNode; + this.specularNode = source.specularNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'MeshPhongNodeMaterial', MeshPhongNodeMaterial ); + +const getGeometryRoughness = tslFn( () => { + + const dxy = normalGeometry.dFdx().abs().max( normalGeometry.dFdy().abs() ); + const geometryRoughness = dxy.x.max( dxy.y ).max( dxy.z ); + + return geometryRoughness; + +} ); + +const getRoughness = tslFn( ( inputs ) => { + + const { roughness } = inputs; + + const geometryRoughness = getGeometryRoughness(); + + let roughnessFactor = roughness.max( 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap. + roughnessFactor = roughnessFactor.add( geometryRoughness ); + roughnessFactor = roughnessFactor.min( 1.0 ); + + return roughnessFactor; + +} ); + +// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2 +// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf +const V_GGX_SmithCorrelated = tslFn( ( { alpha, dotNL, dotNV } ) => { + + const a2 = alpha.pow2(); + + const gv = dotNL.mul( a2.add( a2.oneMinus().mul( dotNV.pow2() ) ).sqrt() ); + const gl = dotNV.mul( a2.add( a2.oneMinus().mul( dotNL.pow2() ) ).sqrt() ); + + return div( 0.5, gv.add( gl ).max( EPSILON ) ); + +} ).setLayout( { + name: 'V_GGX_SmithCorrelated', + type: 'float', + inputs: [ + { name: 'alpha', type: 'float' }, + { name: 'dotNL', type: 'float' }, + { name: 'dotNV', type: 'float' } + ] +} ); // validated + +// https://google.github.io/filament/Filament.md.html#materialsystem/anisotropicmodel/anisotropicspecularbrdf + +const V_GGX_SmithCorrelated_Anisotropic = tslFn( ( { alphaT, alphaB, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL } ) => { + + const gv = dotNL.mul( vec3( alphaT.mul( dotTV ), alphaB.mul( dotBV ), dotNV ).length() ); + const gl = dotNV.mul( vec3( alphaT.mul( dotTL ), alphaB.mul( dotBL ), dotNL ).length() ); + const v = div( 0.5, gv.add( gl ) ); + + return v.saturate(); + +} ).setLayout( { + name: 'V_GGX_SmithCorrelated_Anisotropic', + type: 'float', + inputs: [ + { name: 'alphaT', type: 'float', qualifier: 'in' }, + { name: 'alphaB', type: 'float', qualifier: 'in' }, + { name: 'dotTV', type: 'float', qualifier: 'in' }, + { name: 'dotBV', type: 'float', qualifier: 'in' }, + { name: 'dotTL', type: 'float', qualifier: 'in' }, + { name: 'dotBL', type: 'float', qualifier: 'in' }, + { name: 'dotNV', type: 'float', qualifier: 'in' }, + { name: 'dotNL', type: 'float', qualifier: 'in' } + ] +} ); + +// Microfacet Models for Refraction through Rough Surfaces - equation (33) +// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html +// alpha is "roughness squared" in Disney’s reparameterization +const D_GGX = tslFn( ( { alpha, dotNH } ) => { + + const a2 = alpha.pow2(); + + const denom = dotNH.pow2().mul( a2.oneMinus() ).oneMinus(); // avoid alpha = 0 with dotNH = 1 + + return a2.div( denom.pow2() ).mul( 1 / Math.PI ); + +} ).setLayout( { + name: 'D_GGX', + type: 'float', + inputs: [ + { name: 'alpha', type: 'float' }, + { name: 'dotNH', type: 'float' } + ] +} ); // validated + +const RECIPROCAL_PI = float( 1 / Math.PI ); + +// https://google.github.io/filament/Filament.md.html#materialsystem/anisotropicmodel/anisotropicspecularbrdf + +const D_GGX_Anisotropic = tslFn( ( { alphaT, alphaB, dotNH, dotTH, dotBH } ) => { + + const a2 = alphaT.mul( alphaB ); + const v = vec3( alphaB.mul( dotTH ), alphaT.mul( dotBH ), a2.mul( dotNH ) ); + const v2 = v.dot( v ); + const w2 = a2.div( v2 ); + + return RECIPROCAL_PI.mul( a2.mul( w2.pow2() ) ); + +} ).setLayout( { + name: 'D_GGX_Anisotropic', + type: 'float', + inputs: [ + { name: 'alphaT', type: 'float', qualifier: 'in' }, + { name: 'alphaB', type: 'float', qualifier: 'in' }, + { name: 'dotNH', type: 'float', qualifier: 'in' }, + { name: 'dotTH', type: 'float', qualifier: 'in' }, + { name: 'dotBH', type: 'float', qualifier: 'in' } + ] +} ); + +// GGX Distribution, Schlick Fresnel, GGX_SmithCorrelated Visibility +const BRDF_GGX = tslFn( ( inputs ) => { + + const { lightDirection, f0, f90, roughness, f, USE_IRIDESCENCE, USE_ANISOTROPY } = inputs; + + const normalView = inputs.normalView || transformedNormalView; + + const alpha = roughness.pow2(); // UE4's roughness + + const halfDir = lightDirection.add( positionViewDirection ).normalize(); + + const dotNL = normalView.dot( lightDirection ).clamp(); + const dotNV = normalView.dot( positionViewDirection ).clamp(); // @ TODO: Move to core dotNV + const dotNH = normalView.dot( halfDir ).clamp(); + const dotVH = positionViewDirection.dot( halfDir ).clamp(); + + let F = F_Schlick( { f0, f90, dotVH } ); + let V, D; + + if ( defined( USE_IRIDESCENCE ) ) { + + F = iridescence.mix( F, f ); + + } + + if ( defined( USE_ANISOTROPY ) ) { + + const dotTL = anisotropyT.dot( lightDirection ); + const dotTV = anisotropyT.dot( positionViewDirection ); + const dotTH = anisotropyT.dot( halfDir ); + const dotBL = anisotropyB.dot( lightDirection ); + const dotBV = anisotropyB.dot( positionViewDirection ); + const dotBH = anisotropyB.dot( halfDir ); + + V = V_GGX_SmithCorrelated_Anisotropic( { alphaT, alphaB: alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL } ); + D = D_GGX_Anisotropic( { alphaT, alphaB: alpha, dotNH, dotTH, dotBH } ); + + } else { + + V = V_GGX_SmithCorrelated( { alpha, dotNL, dotNV } ); + D = D_GGX( { alpha, dotNH } ); + + } + + return F.mul( V ).mul( D ); + +} ); // validated + +// Analytical approximation of the DFG LUT, one half of the +// split-sum approximation used in indirect specular lighting. +// via 'environmentBRDF' from "Physically Based Shading on Mobile" +// https://www.unrealengine.com/blog/physically-based-shading-on-mobile +const DFGApprox = tslFn( ( { roughness, dotNV } ) => { + + const c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); + + const c1 = vec4( 1, 0.0425, 1.04, - 0.04 ); + + const r = roughness.mul( c0 ).add( c1 ); + + const a004 = r.x.mul( r.x ).min( dotNV.mul( - 9.28 ).exp2() ).mul( r.x ).add( r.y ); + + const fab = vec2( - 1.04, 1.04 ).mul( a004 ).add( r.zw ); + + return fab; + +} ).setLayout( { + name: 'DFGApprox', + type: 'vec2', + inputs: [ + { name: 'roughness', type: 'float' }, + { name: 'dotNV', type: 'vec3' } + ] +} ); + +const EnvironmentBRDF = tslFn( ( inputs ) => { + + const { dotNV, specularColor, specularF90, roughness } = inputs; + + const fab = DFGApprox( { dotNV, roughness } ); + return specularColor.mul( fab.x ).add( specularF90.mul( fab.y ) ); + +} ); + +const Schlick_to_F0 = tslFn( ( { f, f90, dotVH } ) => { + + const x = dotVH.oneMinus().saturate(); + const x2 = x.mul( x ); + const x5 = x.mul( x2, x2 ).clamp( 0, .9999 ); + + return f.sub( vec3( f90 ).mul( x5 ) ).div( x5.oneMinus() ); + +} ).setLayout( { + name: 'Schlick_to_F0', + type: 'vec3', + inputs: [ + { name: 'f', type: 'vec3' }, + { name: 'f90', type: 'float' }, + { name: 'dotVH', type: 'float' } + ] +} ); + +// https://github.com/google/filament/blob/master/shaders/src/brdf.fs +const D_Charlie = tslFn( ( { roughness, dotNH } ) => { + + const alpha = roughness.pow2(); + + // Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF" + const invAlpha = float( 1.0 ).div( alpha ); + const cos2h = dotNH.pow2(); + const sin2h = cos2h.oneMinus().max( 0.0078125 ); // 2^(-14/2), so sin2h^2 > 0 in fp16 + + return float( 2.0 ).add( invAlpha ).mul( sin2h.pow( invAlpha.mul( 0.5 ) ) ).div( 2.0 * Math.PI ); + +} ).setLayout( { + name: 'D_Charlie', + type: 'float', + inputs: [ + { name: 'roughness', type: 'float' }, + { name: 'dotNH', type: 'float' } + ] +} ); + +// https://github.com/google/filament/blob/master/shaders/src/brdf.fs +const V_Neubelt = tslFn( ( { dotNV, dotNL } ) => { + + // Neubelt and Pettineo 2013, "Crafting a Next-gen Material Pipeline for The Order: 1886" + return float( 1.0 ).div( float( 4.0 ).mul( dotNL.add( dotNV ).sub( dotNL.mul( dotNV ) ) ) ); + +} ).setLayout( { + name: 'V_Neubelt', + type: 'float', + inputs: [ + { name: 'dotNV', type: 'float' }, + { name: 'dotNL', type: 'float' } + ] +} ); + +const BRDF_Sheen = tslFn( ( { lightDirection } ) => { + + const halfDir = lightDirection.add( positionViewDirection ).normalize(); + + const dotNL = transformedNormalView.dot( lightDirection ).clamp(); + const dotNV = transformedNormalView.dot( positionViewDirection ).clamp(); + const dotNH = transformedNormalView.dot( halfDir ).clamp(); + + const D = D_Charlie( { roughness: sheenRoughness, dotNH } ); + const V = V_Neubelt( { dotNV, dotNL } ); + + return sheen.mul( D ).mul( V ); + +} ); + +// Rect Area Light + +// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines +// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt +// code: https://github.com/selfshadow/ltc_code/ + +const LTC_Uv = tslFn( ( { N, V, roughness } ) => { + + const LUT_SIZE = 64.0; + const LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; + const LUT_BIAS = 0.5 / LUT_SIZE; + + const dotNV = N.dot( V ).saturate(); + + // texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) ) + const uv = vec2( roughness, dotNV.oneMinus().sqrt() ); + + uv.assign( uv.mul( LUT_SCALE ).add( LUT_BIAS ) ); + + return uv; + +} ).setLayout( { + name: 'LTC_Uv', + type: 'vec2', + inputs: [ + { name: 'N', type: 'vec3' }, + { name: 'V', type: 'vec3' }, + { name: 'roughness', type: 'float' } + ] +} ); + +const LTC_ClippedSphereFormFactor = tslFn( ( { f } ) => { + + // Real-Time Area Lighting: a Journey from Research to Production (p.102) + // An approximation of the form factor of a horizon-clipped rectangle. + + const l = f.length(); + + return max$1( l.mul( l ).add( f.z ).div( l.add( 1.0 ) ), 0 ); + +} ).setLayout( { + name: 'LTC_ClippedSphereFormFactor', + type: 'float', + inputs: [ + { name: 'f', type: 'vec3' } + ] +} ); + +const LTC_EdgeVectorFormFactor = tslFn( ( { v1, v2 } ) => { + + const x = v1.dot( v2 ); + const y = x.abs().toVar(); + + // rational polynomial approximation to theta / sin( theta ) / 2PI + const a = y.mul( 0.0145206 ).add( 0.4965155 ).mul( y ).add( 0.8543985 ).toVar(); + const b = y.add( 4.1616724 ).mul( y ).add( 3.4175940 ).toVar(); + const v = a.div( b ); + + const theta_sintheta = x.greaterThan( 0.0 ).cond( v, max$1( x.mul( x ).oneMinus(), 1e-7 ).inverseSqrt().mul( 0.5 ).sub( v ) ); + + return v1.cross( v2 ).mul( theta_sintheta ); + +} ).setLayout( { + name: 'LTC_EdgeVectorFormFactor', + type: 'vec3', + inputs: [ + { name: 'v1', type: 'vec3' }, + { name: 'v2', type: 'vec3' } + ] +} ); + +const LTC_Evaluate = tslFn( ( { N, V, P, mInv, p0, p1, p2, p3 } ) => { + + // bail if point is on back side of plane of light + // assumes ccw winding order of light vertices + const v1 = p1.sub( p0 ).toVar(); + const v2 = p3.sub( p0 ).toVar(); + + const lightNormal = v1.cross( v2 ); + const result = vec3().toVar(); + + If( lightNormal.dot( P.sub( p0 ) ).greaterThanEqual( 0.0 ), () => { + + // construct orthonormal basis around N + const T1 = V.sub( N.mul( V.dot( N ) ) ).normalize(); + const T2 = N.cross( T1 ).negate(); // negated from paper; possibly due to a different handedness of world coordinate system + + // compute transform + const mat = mInv.mul( mat3( T1, T2, N ).transpose() ).toVar(); + + // transform rect + // & project rect onto sphere + const coords0 = mat.mul( p0.sub( P ) ).normalize().toVar(); + const coords1 = mat.mul( p1.sub( P ) ).normalize().toVar(); + const coords2 = mat.mul( p2.sub( P ) ).normalize().toVar(); + const coords3 = mat.mul( p3.sub( P ) ).normalize().toVar(); + + // calculate vector form factor + const vectorFormFactor = vec3( 0 ).toVar(); + vectorFormFactor.addAssign( LTC_EdgeVectorFormFactor( { v1: coords0, v2: coords1 } ) ); + vectorFormFactor.addAssign( LTC_EdgeVectorFormFactor( { v1: coords1, v2: coords2 } ) ); + vectorFormFactor.addAssign( LTC_EdgeVectorFormFactor( { v1: coords2, v2: coords3 } ) ); + vectorFormFactor.addAssign( LTC_EdgeVectorFormFactor( { v1: coords3, v2: coords0 } ) ); + + // adjust for horizon clipping + result.assign( vec3( LTC_ClippedSphereFormFactor( { f: vectorFormFactor } ) ) ); + + } ); + + return result; + +} ).setLayout( { + name: 'LTC_Evaluate', + type: 'vec3', + inputs: [ + { name: 'N', type: 'vec3' }, + { name: 'V', type: 'vec3' }, + { name: 'P', type: 'vec3' }, + { name: 'mInv', type: 'mat3' }, + { name: 'p0', type: 'vec3' }, + { name: 'p1', type: 'vec3' }, + { name: 'p2', type: 'vec3' }, + { name: 'p3', type: 'vec3' } + ] +} ); + +// +// Transmission +// + +const getVolumeTransmissionRay = tslFn( ( [ n, v, thickness, ior, modelMatrix ] ) => { + + // Direction of refracted light. + const refractionVector = vec3( refract( v.negate(), normalize( n ), div( 1.0, ior ) ) ); + + // Compute rotation-independant scaling of the model matrix. + const modelScale = vec3( + length( modelMatrix[ 0 ].xyz ), + length( modelMatrix[ 1 ].xyz ), + length( modelMatrix[ 2 ].xyz ) + ); + + // The thickness is specified in local space. + return normalize( refractionVector ).mul( thickness.mul( modelScale ) ); + +} ).setLayout( { + name: 'getVolumeTransmissionRay', + type: 'vec3', + inputs: [ + { name: 'n', type: 'vec3' }, + { name: 'v', type: 'vec3' }, + { name: 'thickness', type: 'float' }, + { name: 'ior', type: 'float' }, + { name: 'modelMatrix', type: 'mat4' } + ] +} ); + +const applyIorToRoughness = tslFn( ( [ roughness, ior ] ) => { + + // Scale roughness with IOR so that an IOR of 1.0 results in no microfacet refraction and + // an IOR of 1.5 results in the default amount of microfacet refraction. + return roughness.mul( clamp( ior.mul( 2.0 ).sub( 2.0 ), 0.0, 1.0 ) ); + +} ).setLayout( { + name: 'applyIorToRoughness', + type: 'float', + inputs: [ + { name: 'roughness', type: 'float' }, + { name: 'ior', type: 'float' } + ] +} ); + +const singleViewportMipTexture = viewportMipTexture(); + +const getTransmissionSample = tslFn( ( [ fragCoord, roughness, ior ] ) => { + + const transmissionSample = singleViewportMipTexture.uv( fragCoord ); + //const transmissionSample = viewportMipTexture( fragCoord ); + + const lod = log2( float( viewportResolution.x ) ).mul( applyIorToRoughness( roughness, ior ) ); + + return transmissionSample.bicubic( lod ); + +} ); + +const volumeAttenuation = tslFn( ( [ transmissionDistance, attenuationColor, attenuationDistance ] ) => { + + If( attenuationDistance.notEqual( 0 ), () => { + + // Compute light attenuation using Beer's law. + const attenuationCoefficient = log( attenuationColor ).negate().div( attenuationDistance ); + const transmittance = exp( attenuationCoefficient.negate().mul( transmissionDistance ) ); + + return transmittance; + + } ); + + // Attenuation distance is +∞, i.e. the transmitted color is not attenuated at all. + return vec3( 1.0 ); + +} ).setLayout( { + name: 'volumeAttenuation', + type: 'vec3', + inputs: [ + { name: 'transmissionDistance', type: 'float' }, + { name: 'attenuationColor', type: 'vec3' }, + { name: 'attenuationDistance', type: 'float' } + ] +} ); + +const getIBLVolumeRefraction = tslFn( ( [ n, v, roughness, diffuseColor, specularColor, specularF90, position, modelMatrix, viewMatrix, projMatrix, ior, thickness, attenuationColor, attenuationDistance, dispersion ] ) => { + + let transmittedLight, transmittance; + + if ( dispersion ) { + + transmittedLight = vec4().toVar(); + transmittance = vec3().toVar(); + + const halfSpread = ior.sub( 1.0 ).mul( dispersion.mul( 0.025 ) ); + const iors = vec3( ior.sub( halfSpread ), ior, ior.add( halfSpread ) ); + + loop( { start: 0, end: 3 }, ( { i } ) => { + + const ior = iors.element( i ); + + const transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + const refractedRayExit = position.add( transmissionRay ); + + // Project refracted vector on the framebuffer, while mapping to normalized device coordinates. + const ndcPos = projMatrix.mul( viewMatrix.mul( vec4( refractedRayExit, 1.0 ) ) ); + const refractionCoords = vec2( ndcPos.xy.div( ndcPos.w ) ).toVar(); + refractionCoords.addAssign( 1.0 ); + refractionCoords.divAssign( 2.0 ); + refractionCoords.assign( vec2( refractionCoords.x, refractionCoords.y.oneMinus() ) ); // webgpu + + // Sample framebuffer to get pixel the refracted ray hits. + const transmissionSample = getTransmissionSample( refractionCoords, roughness, ior ); + + transmittedLight.element( i ).assign( transmissionSample.element( i ) ); + transmittedLight.a.addAssign( transmissionSample.a ); + + transmittance.element( i ).assign( diffuseColor.element( i ).mul( volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ).element( i ) ) ); + + } ); + + transmittedLight.a.divAssign( 3.0 ); + + } else { + + const transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix ); + const refractedRayExit = position.add( transmissionRay ); + + // Project refracted vector on the framebuffer, while mapping to normalized device coordinates. + const ndcPos = projMatrix.mul( viewMatrix.mul( vec4( refractedRayExit, 1.0 ) ) ); + const refractionCoords = vec2( ndcPos.xy.div( ndcPos.w ) ).toVar(); + refractionCoords.addAssign( 1.0 ); + refractionCoords.divAssign( 2.0 ); + refractionCoords.assign( vec2( refractionCoords.x, refractionCoords.y.oneMinus() ) ); // webgpu + + // Sample framebuffer to get pixel the refracted ray hits. + transmittedLight = getTransmissionSample( refractionCoords, roughness, ior ); + transmittance = diffuseColor.mul( volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance ) ); + + } + + const attenuatedColor = transmittance.rgb.mul( transmittedLight.rgb ); + const dotNV = n.dot( v ).clamp(); + + // Get the specular component. + const F = vec3( EnvironmentBRDF( { // n, v, specularColor, specularF90, roughness + dotNV, + specularColor, + specularF90, + roughness + } ) ); + + // As less light is transmitted, the opacity should be increased. This simple approximation does a decent job + // of modulating a CSS background, and has no effect when the buffer is opaque, due to a solid object or clear color. + const transmittanceFactor = transmittance.r.add( transmittance.g, transmittance.b ).div( 3.0 ); + + return vec4( F.oneMinus().mul( attenuatedColor ), transmittedLight.a.oneMinus().mul( transmittanceFactor ).oneMinus() ); + +} ); + +// +// Iridescence +// + +// XYZ to linear-sRGB color space +const XYZ_TO_REC709 = mat3( + 3.2404542, - 0.9692660, 0.0556434, + - 1.5371385, 1.8760108, - 0.2040259, + - 0.4985314, 0.0415560, 1.0572252 +); + +// Assume air interface for top +// Note: We don't handle the case fresnel0 == 1 +const Fresnel0ToIor = ( fresnel0 ) => { + + const sqrtF0 = fresnel0.sqrt(); + return vec3( 1.0 ).add( sqrtF0 ).div( vec3( 1.0 ).sub( sqrtF0 ) ); + +}; + +// ior is a value between 1.0 and 3.0. 1.0 is air interface +const IorToFresnel0 = ( transmittedIor, incidentIor ) => { + + return transmittedIor.sub( incidentIor ).div( transmittedIor.add( incidentIor ) ).pow2(); + +}; + +// Fresnel equations for dielectric/dielectric interfaces. +// Ref: https://belcour.github.io/blog/research/2017/05/01/brdf-thin-film.html +// Evaluation XYZ sensitivity curves in Fourier space +const evalSensitivity = ( OPD, shift ) => { + + const phase = OPD.mul( 2.0 * Math.PI * 1.0e-9 ); + const val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 ); + const pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 ); + const VAR = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 ); + + const x = float( 9.7470e-14 * Math.sqrt( 2.0 * Math.PI * 4.5282e+09 ) ).mul( phase.mul( 2.2399e+06 ).add( shift.x ).cos() ).mul( phase.pow2().mul( - 4.5282e+09 ).exp() ); + + let xyz = val.mul( VAR.mul( 2.0 * Math.PI ).sqrt() ).mul( pos.mul( phase ).add( shift ).cos() ).mul( phase.pow2().negate().mul( VAR ).exp() ); + xyz = vec3( xyz.x.add( x ), xyz.y, xyz.z ).div( 1.0685e-7 ); + + const rgb = XYZ_TO_REC709.mul( xyz ); + + return rgb; + +}; + +const evalIridescence = tslFn( ( { outsideIOR, eta2, cosTheta1, thinFilmThickness, baseF0 } ) => { + + // Force iridescenceIOR -> outsideIOR when thinFilmThickness -> 0.0 + const iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) ); + // Evaluate the cosTheta on the base layer (Snell law) + const sinTheta2Sq = outsideIOR.div( iridescenceIOR ).pow2().mul( float( 1 ).sub( cosTheta1.pow2() ) ); + + // Handle TIR: + const cosTheta2Sq = float( 1 ).sub( sinTheta2Sq ); + /*if ( cosTheta2Sq < 0.0 ) { + + return vec3( 1.0 ); + + }*/ + + const cosTheta2 = cosTheta2Sq.sqrt(); + + // First interface + const R0 = IorToFresnel0( iridescenceIOR, outsideIOR ); + const R12 = F_Schlick( { f0: R0, f90: 1.0, dotVH: cosTheta1 } ); + //const R21 = R12; + const T121 = R12.oneMinus(); + const phi12 = iridescenceIOR.lessThan( outsideIOR ).cond( Math.PI, 0.0 ); + const phi21 = float( Math.PI ).sub( phi12 ); + + // Second interface + const baseIOR = Fresnel0ToIor( baseF0.clamp( 0.0, 0.9999 ) ); // guard against 1.0 + const R1 = IorToFresnel0( baseIOR, iridescenceIOR.toVec3() ); + const R23 = F_Schlick( { f0: R1, f90: 1.0, dotVH: cosTheta2 } ); + const phi23 = vec3( + baseIOR.x.lessThan( iridescenceIOR ).cond( Math.PI, 0.0 ), + baseIOR.y.lessThan( iridescenceIOR ).cond( Math.PI, 0.0 ), + baseIOR.z.lessThan( iridescenceIOR ).cond( Math.PI, 0.0 ) + ); + + // Phase shift + const OPD = iridescenceIOR.mul( thinFilmThickness, cosTheta2, 2.0 ); + const phi = vec3( phi21 ).add( phi23 ); + + // Compound terms + const R123 = R12.mul( R23 ).clamp( 1e-5, 0.9999 ); + const r123 = R123.sqrt(); + const Rs = T121.pow2().mul( R23 ).div( vec3( 1.0 ).sub( R123 ) ); + + // Reflectance term for m = 0 (DC term amplitude) + const C0 = R12.add( Rs ); + let I = C0; + + // Reflectance term for m > 0 (pairs of diracs) + let Cm = Rs.sub( T121 ); + for ( let m = 1; m <= 2; ++ m ) { + + Cm = Cm.mul( r123 ); + const Sm = evalSensitivity( float( m ).mul( OPD ), float( m ).mul( phi ) ).mul( 2.0 ); + I = I.add( Cm.mul( Sm ) ); + + } + + // Since out of gamut colors might be produced, negative color values are clamped to 0. + return I.max( vec3( 0.0 ) ); + +} ).setLayout( { + name: 'evalIridescence', + type: 'vec3', + inputs: [ + { name: 'outsideIOR', type: 'float' }, + { name: 'eta2', type: 'float' }, + { name: 'cosTheta1', type: 'float' }, + { name: 'thinFilmThickness', type: 'float' }, + { name: 'baseF0', type: 'vec3' } + ] +} ); + +// +// Sheen +// + +// This is a curve-fit approxmation to the "Charlie sheen" BRDF integrated over the hemisphere from +// Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF". The analysis can be found +// in the Sheen section of https://drive.google.com/file/d/1T0D1VSyR4AllqIJTQAraEIzjlb5h4FKH/view?usp=sharing +const IBLSheenBRDF = tslFn( ( { normal, viewDir, roughness } ) => { + + const dotNV = normal.dot( viewDir ).saturate(); + + const r2 = roughness.pow2(); + + const a = cond( + roughness.lessThan( 0.25 ), + float( - 339.2 ).mul( r2 ).add( float( 161.4 ).mul( roughness ) ).sub( 25.9 ), + float( - 8.48 ).mul( r2 ).add( float( 14.3 ).mul( roughness ) ).sub( 9.95 ) + ); + + const b = cond( + roughness.lessThan( 0.25 ), + float( 44.0 ).mul( r2 ).sub( float( 23.7 ).mul( roughness ) ).add( 3.26 ), + float( 1.97 ).mul( r2 ).sub( float( 3.27 ).mul( roughness ) ).add( 0.72 ) + ); + + const DG = cond( roughness.lessThan( 0.25 ), 0.0, float( 0.1 ).mul( roughness ).sub( 0.025 ) ).add( a.mul( dotNV ).add( b ).exp() ); + + return DG.mul( 1.0 / Math.PI ).saturate(); + +} ); + +const clearcoatF0 = vec3( 0.04 ); +const clearcoatF90 = float( 1 ); + +// + +class PhysicalLightingModel extends LightingModel { + + constructor( clearcoat = false, sheen = false, iridescence = false, anisotropy = false, transmission = false, dispersion = false ) { + + super(); + + this.clearcoat = clearcoat; + this.sheen = sheen; + this.iridescence = iridescence; + this.anisotropy = anisotropy; + this.transmission = transmission; + this.dispersion = dispersion; + + this.clearcoatRadiance = null; + this.clearcoatSpecularDirect = null; + this.clearcoatSpecularIndirect = null; + this.sheenSpecularDirect = null; + this.sheenSpecularIndirect = null; + this.iridescenceFresnel = null; + this.iridescenceF0 = null; + + } + + start( context ) { + + if ( this.clearcoat === true ) { + + this.clearcoatRadiance = vec3().temp( 'clearcoatRadiance' ); + this.clearcoatSpecularDirect = vec3().temp( 'clearcoatSpecularDirect' ); + this.clearcoatSpecularIndirect = vec3().temp( 'clearcoatSpecularIndirect' ); + + } + + if ( this.sheen === true ) { + + this.sheenSpecularDirect = vec3().temp( 'sheenSpecularDirect' ); + this.sheenSpecularIndirect = vec3().temp( 'sheenSpecularIndirect' ); + + } + + if ( this.iridescence === true ) { + + const dotNVi = transformedNormalView.dot( positionViewDirection ).clamp(); + + this.iridescenceFresnel = evalIridescence( { + outsideIOR: float( 1.0 ), + eta2: iridescenceIOR, + cosTheta1: dotNVi, + thinFilmThickness: iridescenceThickness, + baseF0: specularColor + } ); + + this.iridescenceF0 = Schlick_to_F0( { f: this.iridescenceFresnel, f90: 1.0, dotVH: dotNVi } ); + + } + + if ( this.transmission === true ) { + + const position = positionWorld; + const v = cameraPosition.sub( positionWorld ).normalize(); // TODO: Create Node for this, same issue in MaterialX + const n = transformedNormalWorld; + + context.backdrop = getIBLVolumeRefraction( + n, + v, + roughness, + diffuseColor, + specularColor, + specularF90, // specularF90 + position, // positionWorld + modelWorldMatrix, // modelMatrix + cameraViewMatrix, // viewMatrix + cameraProjectionMatrix, // projMatrix + ior, + thickness, + attenuationColor, + attenuationDistance, + this.dispersion ? dispersion : null + ); + + context.backdropAlpha = transmission; + + diffuseColor.a.mulAssign( mix( 1, context.backdrop.a, transmission ) ); + + } + + } + + // Fdez-Agüera's "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting" + // Approximates multiscattering in order to preserve energy. + // http://www.jcgt.org/published/0008/01/03/ + + computeMultiscattering( singleScatter, multiScatter, specularF90 ) { + + const dotNV = transformedNormalView.dot( positionViewDirection ).clamp(); // @ TODO: Move to core dotNV + + const fab = DFGApprox( { roughness, dotNV } ); + + const Fr = this.iridescenceF0 ? iridescence.mix( specularColor, this.iridescenceF0 ) : specularColor; + + const FssEss = Fr.mul( fab.x ).add( specularF90.mul( fab.y ) ); + + const Ess = fab.x.add( fab.y ); + const Ems = Ess.oneMinus(); + + const Favg = specularColor.add( specularColor.oneMinus().mul( 0.047619 ) ); // 1/21 + const Fms = FssEss.mul( Favg ).div( Ems.mul( Favg ).oneMinus() ); + + singleScatter.addAssign( FssEss ); + multiScatter.addAssign( Fms.mul( Ems ) ); + + } + + direct( { lightDirection, lightColor, reflectedLight } ) { + + const dotNL = transformedNormalView.dot( lightDirection ).clamp(); + const irradiance = dotNL.mul( lightColor ); + + if ( this.sheen === true ) { + + this.sheenSpecularDirect.addAssign( irradiance.mul( BRDF_Sheen( { lightDirection } ) ) ); + + } + + if ( this.clearcoat === true ) { + + const dotNLcc = transformedClearcoatNormalView.dot( lightDirection ).clamp(); + const ccIrradiance = dotNLcc.mul( lightColor ); + + this.clearcoatSpecularDirect.addAssign( ccIrradiance.mul( BRDF_GGX( { lightDirection, f0: clearcoatF0, f90: clearcoatF90, roughness: clearcoatRoughness, normalView: transformedClearcoatNormalView } ) ) ); + + } + + reflectedLight.directDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor: diffuseColor.rgb } ) ) ); + + reflectedLight.directSpecular.addAssign( irradiance.mul( BRDF_GGX( { lightDirection, f0: specularColor, f90: 1, roughness, iridescence: this.iridescence, f: this.iridescenceFresnel, USE_IRIDESCENCE: this.iridescence, USE_ANISOTROPY: this.anisotropy } ) ) ); + + } + + directRectArea( { lightColor, lightPosition, halfWidth, halfHeight, reflectedLight, ltc_1, ltc_2 } ) { + + const p0 = lightPosition.add( halfWidth ).sub( halfHeight ); // counterclockwise; light shines in local neg z direction + const p1 = lightPosition.sub( halfWidth ).sub( halfHeight ); + const p2 = lightPosition.sub( halfWidth ).add( halfHeight ); + const p3 = lightPosition.add( halfWidth ).add( halfHeight ); + + const N = transformedNormalView; + const V = positionViewDirection; + const P = positionView.toVar(); + + const uv = LTC_Uv( { N, V, roughness } ); + + const t1 = ltc_1.uv( uv ).toVar(); + const t2 = ltc_2.uv( uv ).toVar(); + + const mInv = mat3( + vec3( t1.x, 0, t1.y ), + vec3( 0, 1, 0 ), + vec3( t1.z, 0, t1.w ) + ).toVar(); + + // LTC Fresnel Approximation by Stephen Hill + // http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf + const fresnel = specularColor.mul( t2.x ).add( specularColor.oneMinus().mul( t2.y ) ).toVar(); + + reflectedLight.directSpecular.addAssign( lightColor.mul( fresnel ).mul( LTC_Evaluate( { N, V, P, mInv, p0, p1, p2, p3 } ) ) ); + + reflectedLight.directDiffuse.addAssign( lightColor.mul( diffuseColor ).mul( LTC_Evaluate( { N, V, P, mInv: mat3( 1, 0, 0, 0, 1, 0, 0, 0, 1 ), p0, p1, p2, p3 } ) ) ); + + } + + indirectDiffuse( { irradiance, reflectedLight } ) { + + reflectedLight.indirectDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor } ) ) ); + + } + + indirectSpecular( { radiance, iblIrradiance, reflectedLight } ) { + + if ( this.sheen === true ) { + + this.sheenSpecularIndirect.addAssign( iblIrradiance.mul( + sheen, + IBLSheenBRDF( { + normal: transformedNormalView, + viewDir: positionViewDirection, + roughness: sheenRoughness + } ) + ) ); + + } + + if ( this.clearcoat === true ) { + + const dotNVcc = transformedClearcoatNormalView.dot( positionViewDirection ).clamp(); + + const clearcoatEnv = EnvironmentBRDF( { + dotNV: dotNVcc, + specularColor: clearcoatF0, + specularF90: clearcoatF90, + roughness: clearcoatRoughness + } ); + + this.clearcoatSpecularIndirect.addAssign( this.clearcoatRadiance.mul( clearcoatEnv ) ); + + } + + // Both indirect specular and indirect diffuse light accumulate here + + const singleScattering = vec3().temp( 'singleScattering' ); + const multiScattering = vec3().temp( 'multiScattering' ); + const cosineWeightedIrradiance = iblIrradiance.mul( 1 / Math.PI ); + + this.computeMultiscattering( singleScattering, multiScattering, specularF90 ); + + const totalScattering = singleScattering.add( multiScattering ); + + const diffuse = diffuseColor.mul( totalScattering.r.max( totalScattering.g ).max( totalScattering.b ).oneMinus() ); + + reflectedLight.indirectSpecular.addAssign( radiance.mul( singleScattering ) ); + reflectedLight.indirectSpecular.addAssign( multiScattering.mul( cosineWeightedIrradiance ) ); + + reflectedLight.indirectDiffuse.addAssign( diffuse.mul( cosineWeightedIrradiance ) ); + + } + + ambientOcclusion( { ambientOcclusion, reflectedLight } ) { + + const dotNV = transformedNormalView.dot( positionViewDirection ).clamp(); // @ TODO: Move to core dotNV + + const aoNV = dotNV.add( ambientOcclusion ); + const aoExp = roughness.mul( - 16.0 ).oneMinus().negate().exp2(); + + const aoNode = ambientOcclusion.sub( aoNV.pow( aoExp ).oneMinus() ).clamp(); + + if ( this.clearcoat === true ) { + + this.clearcoatSpecularIndirect.mulAssign( ambientOcclusion ); + + } + + if ( this.sheen === true ) { + + this.sheenSpecularIndirect.mulAssign( ambientOcclusion ); + + } + + reflectedLight.indirectDiffuse.mulAssign( ambientOcclusion ); + reflectedLight.indirectSpecular.mulAssign( aoNode ); + + } + + finish( context ) { + + const { outgoingLight } = context; + + if ( this.clearcoat === true ) { + + const dotNVcc = transformedClearcoatNormalView.dot( positionViewDirection ).clamp(); + + const Fcc = F_Schlick( { + dotVH: dotNVcc, + f0: clearcoatF0, + f90: clearcoatF90 + } ); + + const clearcoatLight = outgoingLight.mul( clearcoat.mul( Fcc ).oneMinus() ).add( this.clearcoatSpecularDirect.add( this.clearcoatSpecularIndirect ).mul( clearcoat ) ); + + outgoingLight.assign( clearcoatLight ); + + } + + if ( this.sheen === true ) { + + const sheenEnergyComp = sheen.r.max( sheen.g ).max( sheen.b ).mul( 0.157 ).oneMinus(); + const sheenLight = outgoingLight.mul( sheenEnergyComp ).add( this.sheenSpecularDirect, this.sheenSpecularIndirect ); + + outgoingLight.assign( sheenLight ); + + } + + } + +} + +const defaultValues$6 = new MeshStandardMaterial(); + +class MeshStandardNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshStandardNodeMaterial = true; + + this.emissiveNode = null; + + this.metalnessNode = null; + this.roughnessNode = null; + + this.setDefaultValues( defaultValues$6 ); + + this.setValues( parameters ); + + } + + setupLightingModel( /*builder*/ ) { + + return new PhysicalLightingModel(); + + } + + setupSpecular() { + + const specularColorNode = mix( vec3( 0.04 ), diffuseColor.rgb, metalness ); + + specularColor.assign( specularColorNode ); + specularF90.assign( 1.0 ); + + } + + setupVariants() { + + // METALNESS + + const metalnessNode = this.metalnessNode ? float( this.metalnessNode ) : materialMetalness; + + metalness.assign( metalnessNode ); + + // ROUGHNESS + + let roughnessNode = this.roughnessNode ? float( this.roughnessNode ) : materialRoughness; + roughnessNode = getRoughness( { roughness: roughnessNode } ); + + roughness.assign( roughnessNode ); + + // SPECULAR COLOR + + this.setupSpecular(); + + // DIFFUSE COLOR + + diffuseColor.assign( vec4( diffuseColor.rgb.mul( metalnessNode.oneMinus() ), diffuseColor.a ) ); + + } + + copy( source ) { + + this.emissiveNode = source.emissiveNode; + + this.metalnessNode = source.metalnessNode; + this.roughnessNode = source.roughnessNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'MeshStandardNodeMaterial', MeshStandardNodeMaterial ); + +const defaultValues$5 = new MeshPhysicalMaterial(); + +class MeshPhysicalNodeMaterial extends MeshStandardNodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshPhysicalNodeMaterial = true; + + this.clearcoatNode = null; + this.clearcoatRoughnessNode = null; + this.clearcoatNormalNode = null; + + this.sheenNode = null; + this.sheenRoughnessNode = null; + + this.iridescenceNode = null; + this.iridescenceIORNode = null; + this.iridescenceThicknessNode = null; + + this.specularIntensityNode = null; + this.specularColorNode = null; + + this.iorNode = null; + this.transmissionNode = null; + this.thicknessNode = null; + this.attenuationDistanceNode = null; + this.attenuationColorNode = null; + this.dispersionNode = null; + + this.anisotropyNode = null; + + this.setDefaultValues( defaultValues$5 ); + + this.setValues( parameters ); + + } + + get useClearcoat() { + + return this.clearcoat > 0 || this.clearcoatNode !== null; + + } + + get useIridescence() { + + return this.iridescence > 0 || this.iridescenceNode !== null; + + } + + get useSheen() { + + return this.sheen > 0 || this.sheenNode !== null; + + } + + get useAnisotropy() { + + return this.anisotropy > 0 || this.anisotropyNode !== null; + + } + + get useTransmission() { + + return this.transmission > 0 || this.transmissionNode !== null; + + } + + get useDispersion() { + + return this.dispersion > 0 || this.dispersionNode !== null; + + } + + setupSpecular() { + + const iorNode = this.iorNode ? float( this.iorNode ) : materialIOR; + + ior.assign( iorNode ); + specularColor.assign( mix( min$1( pow2( ior.sub( 1.0 ).div( ior.add( 1.0 ) ) ).mul( materialSpecularColor ), vec3( 1.0 ) ).mul( materialSpecularIntensity ), diffuseColor.rgb, metalness ) ); + specularF90.assign( mix( materialSpecularIntensity, 1.0, metalness ) ); + + } + + setupLightingModel( /*builder*/ ) { + + return new PhysicalLightingModel( this.useClearcoat, this.useSheen, this.useIridescence, this.useAnisotropy, this.useTransmission, this.useDispersion ); + + } + + setupVariants( builder ) { + + super.setupVariants( builder ); + + // CLEARCOAT + + if ( this.useClearcoat ) { + + const clearcoatNode = this.clearcoatNode ? float( this.clearcoatNode ) : materialClearcoat; + const clearcoatRoughnessNode = this.clearcoatRoughnessNode ? float( this.clearcoatRoughnessNode ) : materialClearcoatRoughness; + + clearcoat.assign( clearcoatNode ); + clearcoatRoughness.assign( getRoughness( { roughness: clearcoatRoughnessNode } ) ); + + } + + // SHEEN + + if ( this.useSheen ) { + + const sheenNode = this.sheenNode ? vec3( this.sheenNode ) : materialSheen; + const sheenRoughnessNode = this.sheenRoughnessNode ? float( this.sheenRoughnessNode ) : materialSheenRoughness; + + sheen.assign( sheenNode ); + sheenRoughness.assign( sheenRoughnessNode ); + + } + + // IRIDESCENCE + + if ( this.useIridescence ) { + + const iridescenceNode = this.iridescenceNode ? float( this.iridescenceNode ) : materialIridescence; + const iridescenceIORNode = this.iridescenceIORNode ? float( this.iridescenceIORNode ) : materialIridescenceIOR; + const iridescenceThicknessNode = this.iridescenceThicknessNode ? float( this.iridescenceThicknessNode ) : materialIridescenceThickness; + + iridescence.assign( iridescenceNode ); + iridescenceIOR.assign( iridescenceIORNode ); + iridescenceThickness.assign( iridescenceThicknessNode ); + + } + + // ANISOTROPY + + if ( this.useAnisotropy ) { + + const anisotropyV = ( this.anisotropyNode ? vec2( this.anisotropyNode ) : materialAnisotropy ).toVar(); + + anisotropy.assign( anisotropyV.length() ); + + If( anisotropy.equal( 0.0 ), () => { + + anisotropyV.assign( vec2( 1.0, 0.0 ) ); + + } ).else( () => { + + anisotropyV.divAssign( vec2( anisotropy ) ); + anisotropy.assign( anisotropy.saturate() ); + + } ); + + // Roughness along the anisotropy bitangent is the material roughness, while the tangent roughness increases with anisotropy. + alphaT.assign( anisotropy.pow2().mix( roughness.pow2(), 1.0 ) ); + + anisotropyT.assign( TBNViewMatrix[ 0 ].mul( anisotropyV.x ).add( TBNViewMatrix[ 1 ].mul( anisotropyV.y ) ) ); + anisotropyB.assign( TBNViewMatrix[ 1 ].mul( anisotropyV.x ).sub( TBNViewMatrix[ 0 ].mul( anisotropyV.y ) ) ); + + } + + // TRANSMISSION + + if ( this.useTransmission ) { + + const transmissionNode = this.transmissionNode ? float( this.transmissionNode ) : materialTransmission; + const thicknessNode = this.thicknessNode ? float( this.thicknessNode ) : materialThickness; + const attenuationDistanceNode = this.attenuationDistanceNode ? float( this.attenuationDistanceNode ) : materialAttenuationDistance; + const attenuationColorNode = this.attenuationColorNode ? vec3( this.attenuationColorNode ) : materialAttenuationColor; + + transmission.assign( transmissionNode ); + thickness.assign( thicknessNode ); + attenuationDistance.assign( attenuationDistanceNode ); + attenuationColor.assign( attenuationColorNode ); + + if ( this.useDispersion ) { + + const dispersionNode = this.dispersionNode ? float( this.dispersionNode ) : materialDispersion; + + dispersion.assign( dispersionNode ); + + } + + } + + } + + setupNormal( builder ) { + + super.setupNormal( builder ); + + // CLEARCOAT NORMAL + + const clearcoatNormalNode = this.clearcoatNormalNode ? vec3( this.clearcoatNormalNode ) : materialClearcoatNormal; + + transformedClearcoatNormalView.assign( clearcoatNormalNode ); + + } + + copy( source ) { + + this.clearcoatNode = source.clearcoatNode; + this.clearcoatRoughnessNode = source.clearcoatRoughnessNode; + this.clearcoatNormalNode = source.clearcoatNormalNode; + + this.sheenNode = source.sheenNode; + this.sheenRoughnessNode = source.sheenRoughnessNode; + + this.iridescenceNode = source.iridescenceNode; + this.iridescenceIORNode = source.iridescenceIORNode; + this.iridescenceThicknessNode = source.iridescenceThicknessNode; + + this.specularIntensityNode = source.specularIntensityNode; + this.specularColorNode = source.specularColorNode; + + this.transmissionNode = source.transmissionNode; + this.thicknessNode = source.thicknessNode; + this.attenuationDistanceNode = source.attenuationDistanceNode; + this.attenuationColorNode = source.attenuationColorNode; + this.dispersionNode = source.dispersionNode; + + this.anisotropyNode = source.anisotropyNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'MeshPhysicalNodeMaterial', MeshPhysicalNodeMaterial ); + +class SSSLightingModel extends PhysicalLightingModel { + + constructor( useClearcoat, useSheen, useIridescence, useSSS ) { + + super( useClearcoat, useSheen, useIridescence ); + + this.useSSS = useSSS; + + } + + direct( { lightDirection, lightColor, reflectedLight }, stack, builder ) { + + if ( this.useSSS === true ) { + + const material = builder.material; + + const { thicknessColorNode, thicknessDistortionNode, thicknessAmbientNode, thicknessAttenuationNode, thicknessPowerNode, thicknessScaleNode } = material; + + const scatteringHalf = lightDirection.add( transformedNormalView.mul( thicknessDistortionNode ) ).normalize(); + const scatteringDot = float( positionViewDirection.dot( scatteringHalf.negate() ).saturate().pow( thicknessPowerNode ).mul( thicknessScaleNode ) ); + const scatteringIllu = vec3( scatteringDot.add( thicknessAmbientNode ).mul( thicknessColorNode ) ); + + reflectedLight.directDiffuse.addAssign( scatteringIllu.mul( thicknessAttenuationNode.mul( lightColor ) ) ); + + } + + super.direct( { lightDirection, lightColor, reflectedLight }, stack, builder ); + + } + +} + +class MeshSSSNodeMaterial extends MeshPhysicalNodeMaterial { + + constructor( parameters ) { + + super( parameters ); + + this.thicknessColorNode = null; + this.thicknessDistortionNode = float( 0.1 ); + this.thicknessAmbientNode = float( 0.0 ); + this.thicknessAttenuationNode = float( .1 ); + this.thicknessPowerNode = float( 2.0 ); + this.thicknessScaleNode = float( 10.0 ); + + } + + get useSSS() { + + return this.thicknessColorNode !== null; + + } + + setupLightingModel( /*builder*/ ) { + + return new SSSLightingModel( this.useClearcoat, this.useSheen, this.useIridescence, this.useSSS ); + + } + + copy( source ) { + + this.thicknessColorNode = source.thicknessColorNode; + this.thicknessDistortionNode = source.thicknessDistortionNode; + this.thicknessAmbientNode = source.thicknessAmbientNode; + this.thicknessAttenuationNode = source.thicknessAttenuationNode; + this.thicknessPowerNode = source.thicknessPowerNode; + this.thicknessScaleNode = source.thicknessScaleNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'MeshSSSNodeMaterial', MeshSSSNodeMaterial ); + +const getGradientIrradiance = tslFn( ( { normal, lightDirection, builder } ) => { + + // dotNL will be from -1.0 to 1.0 + const dotNL = normal.dot( lightDirection ); + const coord = vec2( dotNL.mul( 0.5 ).add( 0.5 ), 0.0 ); + + if ( builder.material.gradientMap ) { + + const gradientMap = materialReference( 'gradientMap', 'texture' ).context( { getUV: () => coord } ); + + return vec3( gradientMap.r ); + + } else { + + const fw = coord.fwidth().mul( 0.5 ); + + return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( float( 0.7 ).sub( fw.x ), float( 0.7 ).add( fw.x ), coord.x ) ); + + } + +} ); + +class ToonLightingModel extends LightingModel { + + direct( { lightDirection, lightColor, reflectedLight }, stack, builder ) { + + const irradiance = getGradientIrradiance( { normal: normalGeometry, lightDirection, builder } ).mul( lightColor ); + + reflectedLight.directDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor: diffuseColor.rgb } ) ) ); + + } + + indirectDiffuse( { irradiance, reflectedLight } ) { + + reflectedLight.indirectDiffuse.addAssign( irradiance.mul( BRDF_Lambert( { diffuseColor } ) ) ); + + } + +} + +const defaultValues$4 = new MeshToonMaterial(); + +class MeshToonNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshToonNodeMaterial = true; + + this.lights = true; + + this.setDefaultValues( defaultValues$4 ); + + this.setValues( parameters ); + + } + + setupLightingModel( /*builder*/ ) { + + return new ToonLightingModel(); + + } + +} + +addNodeMaterial( 'MeshToonNodeMaterial', MeshToonNodeMaterial ); + +const defaultValues$3 = new MeshMatcapMaterial(); + +class MeshMatcapNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.lights = false; + + this.isMeshMatcapNodeMaterial = true; + + this.setDefaultValues( defaultValues$3 ); + + this.setValues( parameters ); + + } + + setupVariants( builder ) { + + const uv = matcapUV; + + let matcapColor; + + if ( builder.material.matcap ) { + + matcapColor = materialReference( 'matcap', 'texture' ).context( { getUV: () => uv } ); + + } else { + + matcapColor = vec3( mix( 0.2, 0.8, uv.y ) ); // default if matcap is missing + + } + + diffuseColor.rgb.mulAssign( matcapColor.rgb ); + + } + +} + +addNodeMaterial( 'MeshMatcapNodeMaterial', MeshMatcapNodeMaterial ); + +const defaultValues$2 = new PointsMaterial(); + +class PointsNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isPointsNodeMaterial = true; + + this.lights = false; + this.normals = false; + this.transparent = true; + + this.sizeNode = null; + + this.setDefaultValues( defaultValues$2 ); + + this.setValues( parameters ); + + } + + copy( source ) { + + this.sizeNode = source.sizeNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'PointsNodeMaterial', PointsNodeMaterial ); + +const defaultValues$1 = new SpriteMaterial(); + +class SpriteNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isSpriteNodeMaterial = true; + + this.lights = false; + this.normals = false; + + this.positionNode = null; + this.rotationNode = null; + this.scaleNode = null; + + this.setDefaultValues( defaultValues$1 ); + + this.setValues( parameters ); + + } + + setupPosition( { object, context } ) { + + // < VERTEX STAGE > + + const { positionNode, rotationNode, scaleNode } = this; + + const vertex = positionLocal; + + let mvPosition = modelViewMatrix.mul( vec3( positionNode || 0 ) ); + + let scale = vec2( modelWorldMatrix[ 0 ].xyz.length(), modelWorldMatrix[ 1 ].xyz.length() ); + + if ( scaleNode !== null ) { + + scale = scale.mul( scaleNode ); + + } + + let alignedPosition = vertex.xy; + + if ( object.center && object.center.isVector2 === true ) { + + alignedPosition = alignedPosition.sub( uniform( object.center ).sub( 0.5 ) ); + + } + + alignedPosition = alignedPosition.mul( scale ); + + const rotation = float( rotationNode || materialRotation ); + + const rotatedPosition = alignedPosition.rotate( rotation ); + + mvPosition = vec4( mvPosition.xy.add( rotatedPosition ), mvPosition.zw ); + + const modelViewProjection = cameraProjectionMatrix.mul( mvPosition ); + + context.vertex = vertex; + + return modelViewProjection; + + } + + copy( source ) { + + this.positionNode = source.positionNode; + this.rotationNode = source.rotationNode; + this.scaleNode = source.scaleNode; + + return super.copy( source ); + + } + +} + +addNodeMaterial( 'SpriteNodeMaterial', SpriteNodeMaterial ); + +class ShadowMaskModel extends LightingModel { + + constructor() { + + super(); + + this.shadowNode = float( 1 ).toVar( 'shadowMask' ); + + } + + direct( { shadowMask } ) { + + this.shadowNode.mulAssign( shadowMask ); + + } + + finish( context ) { + + diffuseColor.a.mulAssign( this.shadowNode.oneMinus() ); + + context.outgoingLight.rgb.assign( diffuseColor.rgb ); // TODO: Optimize LightsNode to avoid this assignment + + } + +} + +const defaultValues = new ShadowMaterial(); + +class ShadowNodeMaterial extends NodeMaterial { + + constructor( parameters ) { + + super(); + + this.isShadowNodeMaterial = true; + + this.lights = true; + + this.setDefaultValues( defaultValues ); + + this.setValues( parameters ); + + } + + setupLightingModel( /*builder*/ ) { + + return new ShadowMaskModel(); + + } + +} + +addNodeMaterial( 'ShadowNodeMaterial', ShadowNodeMaterial ); + +class VolumeNodeMaterial extends NodeMaterial { + + constructor( params = {} ) { + + super(); + + this.normals = false; + this.lights = false; + this.isVolumeNodeMaterial = true; + this.testNode = null; + + this.setValues( params ); + + } + + setup( builder ) { + + const map = texture3D( this.map, null, 0 ); + + const hitBox = tslFn( ( { orig, dir } ) => { + + const box_min = vec3( - 0.5 ); + const box_max = vec3( 0.5 ); + + const inv_dir = dir.reciprocal(); + + const tmin_tmp = box_min.sub( orig ).mul( inv_dir ); + const tmax_tmp = box_max.sub( orig ).mul( inv_dir ); + + const tmin = min$1( tmin_tmp, tmax_tmp ); + const tmax = max$1( tmin_tmp, tmax_tmp ); + + const t0 = max$1( tmin.x, max$1( tmin.y, tmin.z ) ); + const t1 = min$1( tmax.x, min$1( tmax.y, tmax.z ) ); + + return vec2( t0, t1 ); + + } ); + + this.fragmentNode = tslFn( () => { + + const vOrigin = varying( vec3( modelWorldMatrixInverse.mul( vec4( cameraPosition, 1.0 ) ) ) ); + const vDirection = varying( positionGeometry.sub( vOrigin ) ); + + const rayDir = vDirection.normalize(); + const bounds = property( 'vec2', 'bounds' ).assign( hitBox( { orig: vOrigin, dir: rayDir } ) ); + + bounds.x.greaterThan( bounds.y ).discard(); + + bounds.assign( vec2( max$1( bounds.x, 0.0 ), bounds.y ) ); + + const p = property( 'vec3', 'p' ).assign( vOrigin.add( bounds.x.mul( rayDir ) ) ); + const inc = property( 'vec3', 'inc' ).assign( vec3( rayDir.abs().reciprocal() ) ); + const delta = property( 'float', 'delta' ).assign( min$1( inc.x, min$1( inc.y, inc.z ) ) ); + + delta.divAssign( materialReference( 'steps', 'float' ) ); + + const ac = property( 'vec4', 'ac' ).assign( vec4( materialReference( 'base', 'color' ), 0.0 ) ); + + loop( { type: 'float', start: bounds.x, end: bounds.y, update: '+= delta' }, () => { + + const d = property( 'float', 'd' ).assign( map.uv( p.add( 0.5 ) ).r ); + + if ( this.testNode !== null ) { + + this.testNode( { map: map, mapValue: d, probe: p, finalColor: ac } ).append(); + + } else { + + // default to show surface of mesh + ac.a.assign( 1 ); + Break(); + + } + + p.addAssign( rayDir.mul( delta ) ); + + } ); + + ac.a.equal( 0 ).discard(); + + return vec4( ac ); + + } )(); + + super.setup( builder ); + + } + +} + +addNodeMaterial( 'VolumeNodeMaterial', VolumeNodeMaterial ); + +const superFromTypeFunction = MaterialLoader.createMaterialFromType; + +MaterialLoader.createMaterialFromType = function ( type ) { + + const material = createNodeMaterialFromType( type ); + + if ( material !== undefined ) { + + return material; + + } + + return superFromTypeFunction.call( this, type ); + +}; + +class NodeMaterialLoader extends MaterialLoader { + + constructor( manager ) { + + super( manager ); + + this.nodes = {}; + + } + + parse( json ) { + + const material = super.parse( json ); + + const nodes = this.nodes; + const inputNodes = json.inputNodes; + + for ( const property in inputNodes ) { + + const uuid = inputNodes[ property ]; + + material[ property ] = nodes[ uuid ]; + + } + + return material; + + } + + setNodes( value ) { + + this.nodes = value; + + return this; + + } + +} + +class NodeObjectLoader extends ObjectLoader { + + constructor( manager ) { + + super( manager ); + + this._nodesJSON = null; + + } + + parse( json, onLoad ) { + + this._nodesJSON = json.nodes; + + const data = super.parse( json, onLoad ); + + this._nodesJSON = null; // dispose + + return data; + + } + + parseNodes( json, textures ) { + + if ( json !== undefined ) { + + const loader = new NodeLoader(); + loader.setTextures( textures ); + + return loader.parseNodes( json ); + + } + + return {}; + + } + + parseMaterials( json, textures ) { + + const materials = {}; + + if ( json !== undefined ) { + + const nodes = this.parseNodes( this._nodesJSON, textures ); + + const loader = new NodeMaterialLoader(); + loader.setTextures( textures ); + loader.setNodes( nodes ); + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const data = json[ i ]; + + materials[ data.uuid ] = loader.parse( data ); + + } + + } + + return materials; + + } + +} + +class NodeParser { + + parseFunction( /*source*/ ) { + + console.warn( 'Abstract function.' ); + + } + +} + +class NodeFunction { + + constructor( type, inputs, name = '', precision = '' ) { + + this.type = type; + this.inputs = inputs; + this.name = name; + this.precision = precision; + + } + + getCode( /*name = this.name*/ ) { + + console.warn( 'Abstract function.' ); + + } + +} + +NodeFunction.isNodeFunction = true; + +const declarationRegexp$1 = /^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i; +const propertiesRegexp$1 = /[a-z_0-9]+/ig; + +const pragmaMain = '#pragma main'; + +const parse$1 = ( source ) => { + + source = source.trim(); + + const pragmaMainIndex = source.indexOf( pragmaMain ); + + const mainCode = pragmaMainIndex !== - 1 ? source.slice( pragmaMainIndex + pragmaMain.length ) : source; + + const declaration = mainCode.match( declarationRegexp$1 ); + + if ( declaration !== null && declaration.length === 5 ) { + + // tokenizer + + const inputsCode = declaration[ 4 ]; + const propsMatches = []; + + let nameMatch = null; + + while ( ( nameMatch = propertiesRegexp$1.exec( inputsCode ) ) !== null ) { + + propsMatches.push( nameMatch ); + + } + + // parser + + const inputs = []; + + let i = 0; + + while ( i < propsMatches.length ) { + + const isConst = propsMatches[ i ][ 0 ] === 'const'; + + if ( isConst === true ) { + + i ++; + + } + + let qualifier = propsMatches[ i ][ 0 ]; + + if ( qualifier === 'in' || qualifier === 'out' || qualifier === 'inout' ) { + + i ++; + + } else { + + qualifier = ''; + + } + + const type = propsMatches[ i ++ ][ 0 ]; + + let count = Number.parseInt( propsMatches[ i ][ 0 ] ); + + if ( Number.isNaN( count ) === false ) i ++; + else count = null; + + const name = propsMatches[ i ++ ][ 0 ]; + + inputs.push( new NodeFunctionInput( type, name, count, qualifier, isConst ) ); + + } + + // + + const blockCode = mainCode.substring( declaration[ 0 ].length ); + + const name = declaration[ 3 ] !== undefined ? declaration[ 3 ] : ''; + const type = declaration[ 2 ]; + + const precision = declaration[ 1 ] !== undefined ? declaration[ 1 ] : ''; + + const headerCode = pragmaMainIndex !== - 1 ? source.slice( 0, pragmaMainIndex ) : ''; + + return { + type, + inputs, + name, + precision, + inputsCode, + blockCode, + headerCode + }; + + } else { + + throw new Error( 'FunctionNode: Function is not a GLSL code.' ); + + } + +}; + +class GLSLNodeFunction extends NodeFunction { + + constructor( source ) { + + const { type, inputs, name, precision, inputsCode, blockCode, headerCode } = parse$1( source ); + + super( type, inputs, name, precision ); + + this.inputsCode = inputsCode; + this.blockCode = blockCode; + this.headerCode = headerCode; + + } + + getCode( name = this.name ) { + + let code; + + const blockCode = this.blockCode; + + if ( blockCode !== '' ) { + + const { type, inputsCode, headerCode, precision } = this; + + let declarationCode = `${ type } ${ name } ( ${ inputsCode.trim() } )`; + + if ( precision !== '' ) { + + declarationCode = `${ precision } ${ declarationCode }`; + + } + + code = headerCode + declarationCode + blockCode; + + } else { + + // interface function + + code = ''; + + } + + return code; + + } + +} + +class GLSLNodeParser extends NodeParser { + + parseFunction( source ) { + + return new GLSLNodeFunction( source ); + + } + +} + +// Three.js Transpiler +// https://raw.githubusercontent.com/AcademySoftwareFoundation/MaterialX/main/libraries/stdlib/genglsl/lib/mx_noise.glsl + + + +const mx_select = /*#__PURE__*/ tslFn( ( [ b_immutable, t_immutable, f_immutable ] ) => { + + const f = float( f_immutable ).toVar(); + const t = float( t_immutable ).toVar(); + const b = bool( b_immutable ).toVar(); + + return cond( b, t, f ); + +} ).setLayout( { + name: 'mx_select', + type: 'float', + inputs: [ + { name: 'b', type: 'bool' }, + { name: 't', type: 'float' }, + { name: 'f', type: 'float' } + ] +} ); + +const mx_negate_if = /*#__PURE__*/ tslFn( ( [ val_immutable, b_immutable ] ) => { + + const b = bool( b_immutable ).toVar(); + const val = float( val_immutable ).toVar(); + + return cond( b, val.negate(), val ); + +} ).setLayout( { + name: 'mx_negate_if', + type: 'float', + inputs: [ + { name: 'val', type: 'float' }, + { name: 'b', type: 'bool' } + ] +} ); + +const mx_floor = /*#__PURE__*/ tslFn( ( [ x_immutable ] ) => { + + const x = float( x_immutable ).toVar(); + + return int( floor( x ) ); + +} ).setLayout( { + name: 'mx_floor', + type: 'int', + inputs: [ + { name: 'x', type: 'float' } + ] +} ); + +const mx_floorfrac = /*#__PURE__*/ tslFn( ( [ x_immutable, i ] ) => { + + const x = float( x_immutable ).toVar(); + i.assign( mx_floor( x ) ); + + return x.sub( float( i ) ); + +} ); + +const mx_bilerp_0 = /*#__PURE__*/ tslFn( ( [ v0_immutable, v1_immutable, v2_immutable, v3_immutable, s_immutable, t_immutable ] ) => { + + const t = float( t_immutable ).toVar(); + const s = float( s_immutable ).toVar(); + const v3 = float( v3_immutable ).toVar(); + const v2 = float( v2_immutable ).toVar(); + const v1 = float( v1_immutable ).toVar(); + const v0 = float( v0_immutable ).toVar(); + const s1 = float( sub( 1.0, s ) ).toVar(); + + return sub( 1.0, t ).mul( v0.mul( s1 ).add( v1.mul( s ) ) ).add( t.mul( v2.mul( s1 ).add( v3.mul( s ) ) ) ); + +} ).setLayout( { + name: 'mx_bilerp_0', + type: 'float', + inputs: [ + { name: 'v0', type: 'float' }, + { name: 'v1', type: 'float' }, + { name: 'v2', type: 'float' }, + { name: 'v3', type: 'float' }, + { name: 's', type: 'float' }, + { name: 't', type: 'float' } + ] +} ); + +const mx_bilerp_1 = /*#__PURE__*/ tslFn( ( [ v0_immutable, v1_immutable, v2_immutable, v3_immutable, s_immutable, t_immutable ] ) => { + + const t = float( t_immutable ).toVar(); + const s = float( s_immutable ).toVar(); + const v3 = vec3( v3_immutable ).toVar(); + const v2 = vec3( v2_immutable ).toVar(); + const v1 = vec3( v1_immutable ).toVar(); + const v0 = vec3( v0_immutable ).toVar(); + const s1 = float( sub( 1.0, s ) ).toVar(); + + return sub( 1.0, t ).mul( v0.mul( s1 ).add( v1.mul( s ) ) ).add( t.mul( v2.mul( s1 ).add( v3.mul( s ) ) ) ); + +} ).setLayout( { + name: 'mx_bilerp_1', + type: 'vec3', + inputs: [ + { name: 'v0', type: 'vec3' }, + { name: 'v1', type: 'vec3' }, + { name: 'v2', type: 'vec3' }, + { name: 'v3', type: 'vec3' }, + { name: 's', type: 'float' }, + { name: 't', type: 'float' } + ] +} ); + +const mx_bilerp = /*#__PURE__*/ overloadingFn( [ mx_bilerp_0, mx_bilerp_1 ] ); + +const mx_trilerp_0 = /*#__PURE__*/ tslFn( ( [ v0_immutable, v1_immutable, v2_immutable, v3_immutable, v4_immutable, v5_immutable, v6_immutable, v7_immutable, s_immutable, t_immutable, r_immutable ] ) => { + + const r = float( r_immutable ).toVar(); + const t = float( t_immutable ).toVar(); + const s = float( s_immutable ).toVar(); + const v7 = float( v7_immutable ).toVar(); + const v6 = float( v6_immutable ).toVar(); + const v5 = float( v5_immutable ).toVar(); + const v4 = float( v4_immutable ).toVar(); + const v3 = float( v3_immutable ).toVar(); + const v2 = float( v2_immutable ).toVar(); + const v1 = float( v1_immutable ).toVar(); + const v0 = float( v0_immutable ).toVar(); + const s1 = float( sub( 1.0, s ) ).toVar(); + const t1 = float( sub( 1.0, t ) ).toVar(); + const r1 = float( sub( 1.0, r ) ).toVar(); + + return r1.mul( t1.mul( v0.mul( s1 ).add( v1.mul( s ) ) ).add( t.mul( v2.mul( s1 ).add( v3.mul( s ) ) ) ) ).add( r.mul( t1.mul( v4.mul( s1 ).add( v5.mul( s ) ) ).add( t.mul( v6.mul( s1 ).add( v7.mul( s ) ) ) ) ) ); + +} ).setLayout( { + name: 'mx_trilerp_0', + type: 'float', + inputs: [ + { name: 'v0', type: 'float' }, + { name: 'v1', type: 'float' }, + { name: 'v2', type: 'float' }, + { name: 'v3', type: 'float' }, + { name: 'v4', type: 'float' }, + { name: 'v5', type: 'float' }, + { name: 'v6', type: 'float' }, + { name: 'v7', type: 'float' }, + { name: 's', type: 'float' }, + { name: 't', type: 'float' }, + { name: 'r', type: 'float' } + ] +} ); + +const mx_trilerp_1 = /*#__PURE__*/ tslFn( ( [ v0_immutable, v1_immutable, v2_immutable, v3_immutable, v4_immutable, v5_immutable, v6_immutable, v7_immutable, s_immutable, t_immutable, r_immutable ] ) => { + + const r = float( r_immutable ).toVar(); + const t = float( t_immutable ).toVar(); + const s = float( s_immutable ).toVar(); + const v7 = vec3( v7_immutable ).toVar(); + const v6 = vec3( v6_immutable ).toVar(); + const v5 = vec3( v5_immutable ).toVar(); + const v4 = vec3( v4_immutable ).toVar(); + const v3 = vec3( v3_immutable ).toVar(); + const v2 = vec3( v2_immutable ).toVar(); + const v1 = vec3( v1_immutable ).toVar(); + const v0 = vec3( v0_immutable ).toVar(); + const s1 = float( sub( 1.0, s ) ).toVar(); + const t1 = float( sub( 1.0, t ) ).toVar(); + const r1 = float( sub( 1.0, r ) ).toVar(); + + return r1.mul( t1.mul( v0.mul( s1 ).add( v1.mul( s ) ) ).add( t.mul( v2.mul( s1 ).add( v3.mul( s ) ) ) ) ).add( r.mul( t1.mul( v4.mul( s1 ).add( v5.mul( s ) ) ).add( t.mul( v6.mul( s1 ).add( v7.mul( s ) ) ) ) ) ); + +} ).setLayout( { + name: 'mx_trilerp_1', + type: 'vec3', + inputs: [ + { name: 'v0', type: 'vec3' }, + { name: 'v1', type: 'vec3' }, + { name: 'v2', type: 'vec3' }, + { name: 'v3', type: 'vec3' }, + { name: 'v4', type: 'vec3' }, + { name: 'v5', type: 'vec3' }, + { name: 'v6', type: 'vec3' }, + { name: 'v7', type: 'vec3' }, + { name: 's', type: 'float' }, + { name: 't', type: 'float' }, + { name: 'r', type: 'float' } + ] +} ); + +const mx_trilerp = /*#__PURE__*/ overloadingFn( [ mx_trilerp_0, mx_trilerp_1 ] ); + +const mx_gradient_float_0 = /*#__PURE__*/ tslFn( ( [ hash_immutable, x_immutable, y_immutable ] ) => { + + const y = float( y_immutable ).toVar(); + const x = float( x_immutable ).toVar(); + const hash = uint( hash_immutable ).toVar(); + const h = uint( hash.bitAnd( uint( 7 ) ) ).toVar(); + const u = float( mx_select( h.lessThan( uint( 4 ) ), x, y ) ).toVar(); + const v = float( mul( 2.0, mx_select( h.lessThan( uint( 4 ) ), y, x ) ) ).toVar(); + + return mx_negate_if( u, bool( h.bitAnd( uint( 1 ) ) ) ).add( mx_negate_if( v, bool( h.bitAnd( uint( 2 ) ) ) ) ); + +} ).setLayout( { + name: 'mx_gradient_float_0', + type: 'float', + inputs: [ + { name: 'hash', type: 'uint' }, + { name: 'x', type: 'float' }, + { name: 'y', type: 'float' } + ] +} ); + +const mx_gradient_float_1 = /*#__PURE__*/ tslFn( ( [ hash_immutable, x_immutable, y_immutable, z_immutable ] ) => { + + const z = float( z_immutable ).toVar(); + const y = float( y_immutable ).toVar(); + const x = float( x_immutable ).toVar(); + const hash = uint( hash_immutable ).toVar(); + const h = uint( hash.bitAnd( uint( 15 ) ) ).toVar(); + const u = float( mx_select( h.lessThan( uint( 8 ) ), x, y ) ).toVar(); + const v = float( mx_select( h.lessThan( uint( 4 ) ), y, mx_select( h.equal( uint( 12 ) ).or( h.equal( uint( 14 ) ) ), x, z ) ) ).toVar(); + + return mx_negate_if( u, bool( h.bitAnd( uint( 1 ) ) ) ).add( mx_negate_if( v, bool( h.bitAnd( uint( 2 ) ) ) ) ); + +} ).setLayout( { + name: 'mx_gradient_float_1', + type: 'float', + inputs: [ + { name: 'hash', type: 'uint' }, + { name: 'x', type: 'float' }, + { name: 'y', type: 'float' }, + { name: 'z', type: 'float' } + ] +} ); + +const mx_gradient_float = /*#__PURE__*/ overloadingFn( [ mx_gradient_float_0, mx_gradient_float_1 ] ); + +const mx_gradient_vec3_0 = /*#__PURE__*/ tslFn( ( [ hash_immutable, x_immutable, y_immutable ] ) => { + + const y = float( y_immutable ).toVar(); + const x = float( x_immutable ).toVar(); + const hash = uvec3( hash_immutable ).toVar(); + + return vec3( mx_gradient_float( hash.x, x, y ), mx_gradient_float( hash.y, x, y ), mx_gradient_float( hash.z, x, y ) ); + +} ).setLayout( { + name: 'mx_gradient_vec3_0', + type: 'vec3', + inputs: [ + { name: 'hash', type: 'uvec3' }, + { name: 'x', type: 'float' }, + { name: 'y', type: 'float' } + ] +} ); + +const mx_gradient_vec3_1 = /*#__PURE__*/ tslFn( ( [ hash_immutable, x_immutable, y_immutable, z_immutable ] ) => { + + const z = float( z_immutable ).toVar(); + const y = float( y_immutable ).toVar(); + const x = float( x_immutable ).toVar(); + const hash = uvec3( hash_immutable ).toVar(); + + return vec3( mx_gradient_float( hash.x, x, y, z ), mx_gradient_float( hash.y, x, y, z ), mx_gradient_float( hash.z, x, y, z ) ); + +} ).setLayout( { + name: 'mx_gradient_vec3_1', + type: 'vec3', + inputs: [ + { name: 'hash', type: 'uvec3' }, + { name: 'x', type: 'float' }, + { name: 'y', type: 'float' }, + { name: 'z', type: 'float' } + ] +} ); + +const mx_gradient_vec3 = /*#__PURE__*/ overloadingFn( [ mx_gradient_vec3_0, mx_gradient_vec3_1 ] ); + +const mx_gradient_scale2d_0 = /*#__PURE__*/ tslFn( ( [ v_immutable ] ) => { + + const v = float( v_immutable ).toVar(); + + return mul( 0.6616, v ); + +} ).setLayout( { + name: 'mx_gradient_scale2d_0', + type: 'float', + inputs: [ + { name: 'v', type: 'float' } + ] +} ); + +const mx_gradient_scale3d_0 = /*#__PURE__*/ tslFn( ( [ v_immutable ] ) => { + + const v = float( v_immutable ).toVar(); + + return mul( 0.9820, v ); + +} ).setLayout( { + name: 'mx_gradient_scale3d_0', + type: 'float', + inputs: [ + { name: 'v', type: 'float' } + ] +} ); + +const mx_gradient_scale2d_1 = /*#__PURE__*/ tslFn( ( [ v_immutable ] ) => { + + const v = vec3( v_immutable ).toVar(); + + return mul( 0.6616, v ); + +} ).setLayout( { + name: 'mx_gradient_scale2d_1', + type: 'vec3', + inputs: [ + { name: 'v', type: 'vec3' } + ] +} ); + +const mx_gradient_scale2d = /*#__PURE__*/ overloadingFn( [ mx_gradient_scale2d_0, mx_gradient_scale2d_1 ] ); + +const mx_gradient_scale3d_1 = /*#__PURE__*/ tslFn( ( [ v_immutable ] ) => { + + const v = vec3( v_immutable ).toVar(); + + return mul( 0.9820, v ); + +} ).setLayout( { + name: 'mx_gradient_scale3d_1', + type: 'vec3', + inputs: [ + { name: 'v', type: 'vec3' } + ] +} ); + +const mx_gradient_scale3d = /*#__PURE__*/ overloadingFn( [ mx_gradient_scale3d_0, mx_gradient_scale3d_1 ] ); + +const mx_rotl32 = /*#__PURE__*/ tslFn( ( [ x_immutable, k_immutable ] ) => { + + const k = int( k_immutable ).toVar(); + const x = uint( x_immutable ).toVar(); + + return x.shiftLeft( k ).bitOr( x.shiftRight( int( 32 ).sub( k ) ) ); + +} ).setLayout( { + name: 'mx_rotl32', + type: 'uint', + inputs: [ + { name: 'x', type: 'uint' }, + { name: 'k', type: 'int' } + ] +} ); + +const mx_bjmix = /*#__PURE__*/ tslFn( ( [ a, b, c ] ) => { + + a.subAssign( c ); + a.bitXorAssign( mx_rotl32( c, int( 4 ) ) ); + c.addAssign( b ); + b.subAssign( a ); + b.bitXorAssign( mx_rotl32( a, int( 6 ) ) ); + a.addAssign( c ); + c.subAssign( b ); + c.bitXorAssign( mx_rotl32( b, int( 8 ) ) ); + b.addAssign( a ); + a.subAssign( c ); + a.bitXorAssign( mx_rotl32( c, int( 16 ) ) ); + c.addAssign( b ); + b.subAssign( a ); + b.bitXorAssign( mx_rotl32( a, int( 19 ) ) ); + a.addAssign( c ); + c.subAssign( b ); + c.bitXorAssign( mx_rotl32( b, int( 4 ) ) ); + b.addAssign( a ); + +} ); + +const mx_bjfinal = /*#__PURE__*/ tslFn( ( [ a_immutable, b_immutable, c_immutable ] ) => { + + const c = uint( c_immutable ).toVar(); + const b = uint( b_immutable ).toVar(); + const a = uint( a_immutable ).toVar(); + c.bitXorAssign( b ); + c.subAssign( mx_rotl32( b, int( 14 ) ) ); + a.bitXorAssign( c ); + a.subAssign( mx_rotl32( c, int( 11 ) ) ); + b.bitXorAssign( a ); + b.subAssign( mx_rotl32( a, int( 25 ) ) ); + c.bitXorAssign( b ); + c.subAssign( mx_rotl32( b, int( 16 ) ) ); + a.bitXorAssign( c ); + a.subAssign( mx_rotl32( c, int( 4 ) ) ); + b.bitXorAssign( a ); + b.subAssign( mx_rotl32( a, int( 14 ) ) ); + c.bitXorAssign( b ); + c.subAssign( mx_rotl32( b, int( 24 ) ) ); + + return c; + +} ).setLayout( { + name: 'mx_bjfinal', + type: 'uint', + inputs: [ + { name: 'a', type: 'uint' }, + { name: 'b', type: 'uint' }, + { name: 'c', type: 'uint' } + ] +} ); + +const mx_bits_to_01 = /*#__PURE__*/ tslFn( ( [ bits_immutable ] ) => { + + const bits = uint( bits_immutable ).toVar(); + + return float( bits ).div( float( uint( int( 0xffffffff ) ) ) ); + +} ).setLayout( { + name: 'mx_bits_to_01', + type: 'float', + inputs: [ + { name: 'bits', type: 'uint' } + ] +} ); + +const mx_fade = /*#__PURE__*/ tslFn( ( [ t_immutable ] ) => { + + const t = float( t_immutable ).toVar(); + + return t.mul( t ).mul( t ).mul( t.mul( t.mul( 6.0 ).sub( 15.0 ) ).add( 10.0 ) ); + +} ).setLayout( { + name: 'mx_fade', + type: 'float', + inputs: [ + { name: 't', type: 'float' } + ] +} ); + +const mx_hash_int_0 = /*#__PURE__*/ tslFn( ( [ x_immutable ] ) => { + + const x = int( x_immutable ).toVar(); + const len = uint( uint( 1 ) ).toVar(); + const seed = uint( uint( int( 0xdeadbeef ) ).add( len.shiftLeft( uint( 2 ) ) ).add( uint( 13 ) ) ).toVar(); + + return mx_bjfinal( seed.add( uint( x ) ), seed, seed ); + +} ).setLayout( { + name: 'mx_hash_int_0', + type: 'uint', + inputs: [ + { name: 'x', type: 'int' } + ] +} ); + +const mx_hash_int_1 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable ] ) => { + + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const len = uint( uint( 2 ) ).toVar(); + const a = uint().toVar(), b = uint().toVar(), c = uint().toVar(); + a.assign( b.assign( c.assign( uint( int( 0xdeadbeef ) ).add( len.shiftLeft( uint( 2 ) ) ).add( uint( 13 ) ) ) ) ); + a.addAssign( uint( x ) ); + b.addAssign( uint( y ) ); + + return mx_bjfinal( a, b, c ); + +} ).setLayout( { + name: 'mx_hash_int_1', + type: 'uint', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' } + ] +} ); + +const mx_hash_int_2 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable, z_immutable ] ) => { + + const z = int( z_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const len = uint( uint( 3 ) ).toVar(); + const a = uint().toVar(), b = uint().toVar(), c = uint().toVar(); + a.assign( b.assign( c.assign( uint( int( 0xdeadbeef ) ).add( len.shiftLeft( uint( 2 ) ) ).add( uint( 13 ) ) ) ) ); + a.addAssign( uint( x ) ); + b.addAssign( uint( y ) ); + c.addAssign( uint( z ) ); + + return mx_bjfinal( a, b, c ); + +} ).setLayout( { + name: 'mx_hash_int_2', + type: 'uint', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'z', type: 'int' } + ] +} ); + +const mx_hash_int_3 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable, z_immutable, xx_immutable ] ) => { + + const xx = int( xx_immutable ).toVar(); + const z = int( z_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const len = uint( uint( 4 ) ).toVar(); + const a = uint().toVar(), b = uint().toVar(), c = uint().toVar(); + a.assign( b.assign( c.assign( uint( int( 0xdeadbeef ) ).add( len.shiftLeft( uint( 2 ) ) ).add( uint( 13 ) ) ) ) ); + a.addAssign( uint( x ) ); + b.addAssign( uint( y ) ); + c.addAssign( uint( z ) ); + mx_bjmix( a, b, c ); + a.addAssign( uint( xx ) ); + + return mx_bjfinal( a, b, c ); + +} ).setLayout( { + name: 'mx_hash_int_3', + type: 'uint', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'z', type: 'int' }, + { name: 'xx', type: 'int' } + ] +} ); + +const mx_hash_int_4 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable, z_immutable, xx_immutable, yy_immutable ] ) => { + + const yy = int( yy_immutable ).toVar(); + const xx = int( xx_immutable ).toVar(); + const z = int( z_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const len = uint( uint( 5 ) ).toVar(); + const a = uint().toVar(), b = uint().toVar(), c = uint().toVar(); + a.assign( b.assign( c.assign( uint( int( 0xdeadbeef ) ).add( len.shiftLeft( uint( 2 ) ) ).add( uint( 13 ) ) ) ) ); + a.addAssign( uint( x ) ); + b.addAssign( uint( y ) ); + c.addAssign( uint( z ) ); + mx_bjmix( a, b, c ); + a.addAssign( uint( xx ) ); + b.addAssign( uint( yy ) ); + + return mx_bjfinal( a, b, c ); + +} ).setLayout( { + name: 'mx_hash_int_4', + type: 'uint', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'z', type: 'int' }, + { name: 'xx', type: 'int' }, + { name: 'yy', type: 'int' } + ] +} ); + +const mx_hash_int = /*#__PURE__*/ overloadingFn( [ mx_hash_int_0, mx_hash_int_1, mx_hash_int_2, mx_hash_int_3, mx_hash_int_4 ] ); + +const mx_hash_vec3_0 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable ] ) => { + + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const h = uint( mx_hash_int( x, y ) ).toVar(); + const result = uvec3().toVar(); + result.x.assign( h.bitAnd( int( 0xFF ) ) ); + result.y.assign( h.shiftRight( int( 8 ) ).bitAnd( int( 0xFF ) ) ); + result.z.assign( h.shiftRight( int( 16 ) ).bitAnd( int( 0xFF ) ) ); + + return result; + +} ).setLayout( { + name: 'mx_hash_vec3_0', + type: 'uvec3', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' } + ] +} ); + +const mx_hash_vec3_1 = /*#__PURE__*/ tslFn( ( [ x_immutable, y_immutable, z_immutable ] ) => { + + const z = int( z_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const h = uint( mx_hash_int( x, y, z ) ).toVar(); + const result = uvec3().toVar(); + result.x.assign( h.bitAnd( int( 0xFF ) ) ); + result.y.assign( h.shiftRight( int( 8 ) ).bitAnd( int( 0xFF ) ) ); + result.z.assign( h.shiftRight( int( 16 ) ).bitAnd( int( 0xFF ) ) ); + + return result; + +} ).setLayout( { + name: 'mx_hash_vec3_1', + type: 'uvec3', + inputs: [ + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'z', type: 'int' } + ] +} ); + +const mx_hash_vec3 = /*#__PURE__*/ overloadingFn( [ mx_hash_vec3_0, mx_hash_vec3_1 ] ); + +const mx_perlin_noise_float_0 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec2( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(); + const fx = float( mx_floorfrac( p.x, X ) ).toVar(); + const fy = float( mx_floorfrac( p.y, Y ) ).toVar(); + const u = float( mx_fade( fx ) ).toVar(); + const v = float( mx_fade( fy ) ).toVar(); + const result = float( mx_bilerp( mx_gradient_float( mx_hash_int( X, Y ), fx, fy ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y ), fx.sub( 1.0 ), fy ), mx_gradient_float( mx_hash_int( X, Y.add( int( 1 ) ) ), fx, fy.sub( 1.0 ) ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y.add( int( 1 ) ) ), fx.sub( 1.0 ), fy.sub( 1.0 ) ), u, v ) ).toVar(); + + return mx_gradient_scale2d( result ); + +} ).setLayout( { + name: 'mx_perlin_noise_float_0', + type: 'float', + inputs: [ + { name: 'p', type: 'vec2' } + ] +} ); + +const mx_perlin_noise_float_1 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec3( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(), Z = int().toVar(); + const fx = float( mx_floorfrac( p.x, X ) ).toVar(); + const fy = float( mx_floorfrac( p.y, Y ) ).toVar(); + const fz = float( mx_floorfrac( p.z, Z ) ).toVar(); + const u = float( mx_fade( fx ) ).toVar(); + const v = float( mx_fade( fy ) ).toVar(); + const w = float( mx_fade( fz ) ).toVar(); + const result = float( mx_trilerp( mx_gradient_float( mx_hash_int( X, Y, Z ), fx, fy, fz ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y, Z ), fx.sub( 1.0 ), fy, fz ), mx_gradient_float( mx_hash_int( X, Y.add( int( 1 ) ), Z ), fx, fy.sub( 1.0 ), fz ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y.add( int( 1 ) ), Z ), fx.sub( 1.0 ), fy.sub( 1.0 ), fz ), mx_gradient_float( mx_hash_int( X, Y, Z.add( int( 1 ) ) ), fx, fy, fz.sub( 1.0 ) ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y, Z.add( int( 1 ) ) ), fx.sub( 1.0 ), fy, fz.sub( 1.0 ) ), mx_gradient_float( mx_hash_int( X, Y.add( int( 1 ) ), Z.add( int( 1 ) ) ), fx, fy.sub( 1.0 ), fz.sub( 1.0 ) ), mx_gradient_float( mx_hash_int( X.add( int( 1 ) ), Y.add( int( 1 ) ), Z.add( int( 1 ) ) ), fx.sub( 1.0 ), fy.sub( 1.0 ), fz.sub( 1.0 ) ), u, v, w ) ).toVar(); + + return mx_gradient_scale3d( result ); + +} ).setLayout( { + name: 'mx_perlin_noise_float_1', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' } + ] +} ); + +const mx_perlin_noise_float = /*#__PURE__*/ overloadingFn( [ mx_perlin_noise_float_0, mx_perlin_noise_float_1 ] ); + +const mx_perlin_noise_vec3_0 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec2( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(); + const fx = float( mx_floorfrac( p.x, X ) ).toVar(); + const fy = float( mx_floorfrac( p.y, Y ) ).toVar(); + const u = float( mx_fade( fx ) ).toVar(); + const v = float( mx_fade( fy ) ).toVar(); + const result = vec3( mx_bilerp( mx_gradient_vec3( mx_hash_vec3( X, Y ), fx, fy ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y ), fx.sub( 1.0 ), fy ), mx_gradient_vec3( mx_hash_vec3( X, Y.add( int( 1 ) ) ), fx, fy.sub( 1.0 ) ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y.add( int( 1 ) ) ), fx.sub( 1.0 ), fy.sub( 1.0 ) ), u, v ) ).toVar(); + + return mx_gradient_scale2d( result ); + +} ).setLayout( { + name: 'mx_perlin_noise_vec3_0', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec2' } + ] +} ); + +const mx_perlin_noise_vec3_1 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec3( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(), Z = int().toVar(); + const fx = float( mx_floorfrac( p.x, X ) ).toVar(); + const fy = float( mx_floorfrac( p.y, Y ) ).toVar(); + const fz = float( mx_floorfrac( p.z, Z ) ).toVar(); + const u = float( mx_fade( fx ) ).toVar(); + const v = float( mx_fade( fy ) ).toVar(); + const w = float( mx_fade( fz ) ).toVar(); + const result = vec3( mx_trilerp( mx_gradient_vec3( mx_hash_vec3( X, Y, Z ), fx, fy, fz ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y, Z ), fx.sub( 1.0 ), fy, fz ), mx_gradient_vec3( mx_hash_vec3( X, Y.add( int( 1 ) ), Z ), fx, fy.sub( 1.0 ), fz ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y.add( int( 1 ) ), Z ), fx.sub( 1.0 ), fy.sub( 1.0 ), fz ), mx_gradient_vec3( mx_hash_vec3( X, Y, Z.add( int( 1 ) ) ), fx, fy, fz.sub( 1.0 ) ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y, Z.add( int( 1 ) ) ), fx.sub( 1.0 ), fy, fz.sub( 1.0 ) ), mx_gradient_vec3( mx_hash_vec3( X, Y.add( int( 1 ) ), Z.add( int( 1 ) ) ), fx, fy.sub( 1.0 ), fz.sub( 1.0 ) ), mx_gradient_vec3( mx_hash_vec3( X.add( int( 1 ) ), Y.add( int( 1 ) ), Z.add( int( 1 ) ) ), fx.sub( 1.0 ), fy.sub( 1.0 ), fz.sub( 1.0 ) ), u, v, w ) ).toVar(); + + return mx_gradient_scale3d( result ); + +} ).setLayout( { + name: 'mx_perlin_noise_vec3_1', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec3' } + ] +} ); + +const mx_perlin_noise_vec3 = /*#__PURE__*/ overloadingFn( [ mx_perlin_noise_vec3_0, mx_perlin_noise_vec3_1 ] ); + +const mx_cell_noise_float_0 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = float( p_immutable ).toVar(); + const ix = int( mx_floor( p ) ).toVar(); + + return mx_bits_to_01( mx_hash_int( ix ) ); + +} ).setLayout( { + name: 'mx_cell_noise_float_0', + type: 'float', + inputs: [ + { name: 'p', type: 'float' } + ] +} ); + +const mx_cell_noise_float_1 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec2( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + + return mx_bits_to_01( mx_hash_int( ix, iy ) ); + +} ).setLayout( { + name: 'mx_cell_noise_float_1', + type: 'float', + inputs: [ + { name: 'p', type: 'vec2' } + ] +} ); + +const mx_cell_noise_float_2 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec3( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + const iz = int( mx_floor( p.z ) ).toVar(); + + return mx_bits_to_01( mx_hash_int( ix, iy, iz ) ); + +} ).setLayout( { + name: 'mx_cell_noise_float_2', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' } + ] +} ); + +const mx_cell_noise_float_3 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec4( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + const iz = int( mx_floor( p.z ) ).toVar(); + const iw = int( mx_floor( p.w ) ).toVar(); + + return mx_bits_to_01( mx_hash_int( ix, iy, iz, iw ) ); + +} ).setLayout( { + name: 'mx_cell_noise_float_3', + type: 'float', + inputs: [ + { name: 'p', type: 'vec4' } + ] +} ); + +const mx_cell_noise_float$1 = /*#__PURE__*/ overloadingFn( [ mx_cell_noise_float_0, mx_cell_noise_float_1, mx_cell_noise_float_2, mx_cell_noise_float_3 ] ); + +const mx_cell_noise_vec3_0 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = float( p_immutable ).toVar(); + const ix = int( mx_floor( p ) ).toVar(); + + return vec3( mx_bits_to_01( mx_hash_int( ix, int( 0 ) ) ), mx_bits_to_01( mx_hash_int( ix, int( 1 ) ) ), mx_bits_to_01( mx_hash_int( ix, int( 2 ) ) ) ); + +} ).setLayout( { + name: 'mx_cell_noise_vec3_0', + type: 'vec3', + inputs: [ + { name: 'p', type: 'float' } + ] +} ); + +const mx_cell_noise_vec3_1 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec2( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + + return vec3( mx_bits_to_01( mx_hash_int( ix, iy, int( 0 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, int( 1 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, int( 2 ) ) ) ); + +} ).setLayout( { + name: 'mx_cell_noise_vec3_1', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec2' } + ] +} ); + +const mx_cell_noise_vec3_2 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec3( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + const iz = int( mx_floor( p.z ) ).toVar(); + + return vec3( mx_bits_to_01( mx_hash_int( ix, iy, iz, int( 0 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, iz, int( 1 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, iz, int( 2 ) ) ) ); + +} ).setLayout( { + name: 'mx_cell_noise_vec3_2', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec3' } + ] +} ); + +const mx_cell_noise_vec3_3 = /*#__PURE__*/ tslFn( ( [ p_immutable ] ) => { + + const p = vec4( p_immutable ).toVar(); + const ix = int( mx_floor( p.x ) ).toVar(); + const iy = int( mx_floor( p.y ) ).toVar(); + const iz = int( mx_floor( p.z ) ).toVar(); + const iw = int( mx_floor( p.w ) ).toVar(); + + return vec3( mx_bits_to_01( mx_hash_int( ix, iy, iz, iw, int( 0 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, iz, iw, int( 1 ) ) ), mx_bits_to_01( mx_hash_int( ix, iy, iz, iw, int( 2 ) ) ) ); + +} ).setLayout( { + name: 'mx_cell_noise_vec3_3', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec4' } + ] +} ); + +const mx_cell_noise_vec3 = /*#__PURE__*/ overloadingFn( [ mx_cell_noise_vec3_0, mx_cell_noise_vec3_1, mx_cell_noise_vec3_2, mx_cell_noise_vec3_3 ] ); + +const mx_fractal_noise_float$1 = /*#__PURE__*/ tslFn( ( [ p_immutable, octaves_immutable, lacunarity_immutable, diminish_immutable ] ) => { + + const diminish = float( diminish_immutable ).toVar(); + const lacunarity = float( lacunarity_immutable ).toVar(); + const octaves = int( octaves_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const result = float( 0.0 ).toVar(); + const amplitude = float( 1.0 ).toVar(); + + loop( octaves, () => { + + result.addAssign( amplitude.mul( mx_perlin_noise_float( p ) ) ); + amplitude.mulAssign( diminish ); + p.mulAssign( lacunarity ); + + } ); + + return result; + +} ).setLayout( { + name: 'mx_fractal_noise_float', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'octaves', type: 'int' }, + { name: 'lacunarity', type: 'float' }, + { name: 'diminish', type: 'float' } + ] +} ); + +const mx_fractal_noise_vec3$1 = /*#__PURE__*/ tslFn( ( [ p_immutable, octaves_immutable, lacunarity_immutable, diminish_immutable ] ) => { + + const diminish = float( diminish_immutable ).toVar(); + const lacunarity = float( lacunarity_immutable ).toVar(); + const octaves = int( octaves_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const result = vec3( 0.0 ).toVar(); + const amplitude = float( 1.0 ).toVar(); + + loop( octaves, () => { + + result.addAssign( amplitude.mul( mx_perlin_noise_vec3( p ) ) ); + amplitude.mulAssign( diminish ); + p.mulAssign( lacunarity ); + + } ); + + return result; + +} ).setLayout( { + name: 'mx_fractal_noise_vec3', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'octaves', type: 'int' }, + { name: 'lacunarity', type: 'float' }, + { name: 'diminish', type: 'float' } + ] +} ); + +const mx_fractal_noise_vec2$1 = /*#__PURE__*/ tslFn( ( [ p_immutable, octaves_immutable, lacunarity_immutable, diminish_immutable ] ) => { + + const diminish = float( diminish_immutable ).toVar(); + const lacunarity = float( lacunarity_immutable ).toVar(); + const octaves = int( octaves_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + + return vec2( mx_fractal_noise_float$1( p, octaves, lacunarity, diminish ), mx_fractal_noise_float$1( p.add( vec3( int( 19 ), int( 193 ), int( 17 ) ) ), octaves, lacunarity, diminish ) ); + +} ).setLayout( { + name: 'mx_fractal_noise_vec2', + type: 'vec2', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'octaves', type: 'int' }, + { name: 'lacunarity', type: 'float' }, + { name: 'diminish', type: 'float' } + ] +} ); + +const mx_fractal_noise_vec4$1 = /*#__PURE__*/ tslFn( ( [ p_immutable, octaves_immutable, lacunarity_immutable, diminish_immutable ] ) => { + + const diminish = float( diminish_immutable ).toVar(); + const lacunarity = float( lacunarity_immutable ).toVar(); + const octaves = int( octaves_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const c = vec3( mx_fractal_noise_vec3$1( p, octaves, lacunarity, diminish ) ).toVar(); + const f = float( mx_fractal_noise_float$1( p.add( vec3( int( 19 ), int( 193 ), int( 17 ) ) ), octaves, lacunarity, diminish ) ).toVar(); + + return vec4( c, f ); + +} ).setLayout( { + name: 'mx_fractal_noise_vec4', + type: 'vec4', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'octaves', type: 'int' }, + { name: 'lacunarity', type: 'float' }, + { name: 'diminish', type: 'float' } + ] +} ); + +const mx_worley_distance_0 = /*#__PURE__*/ tslFn( ( [ p_immutable, x_immutable, y_immutable, xoff_immutable, yoff_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const yoff = int( yoff_immutable ).toVar(); + const xoff = int( xoff_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const p = vec2( p_immutable ).toVar(); + const tmp = vec3( mx_cell_noise_vec3( vec2( x.add( xoff ), y.add( yoff ) ) ) ).toVar(); + const off = vec2( tmp.x, tmp.y ).toVar(); + off.subAssign( 0.5 ); + off.mulAssign( jitter ); + off.addAssign( 0.5 ); + const cellpos = vec2( vec2( float( x ), float( y ) ).add( off ) ).toVar(); + const diff = vec2( cellpos.sub( p ) ).toVar(); + + If( metric.equal( int( 2 ) ), () => { + + return abs( diff.x ).add( abs( diff.y ) ); + + } ); + + If( metric.equal( int( 3 ) ), () => { + + return max$1( abs( diff.x ), abs( diff.y ) ); + + } ); + + return dot( diff, diff ); + +} ).setLayout( { + name: 'mx_worley_distance_0', + type: 'float', + inputs: [ + { name: 'p', type: 'vec2' }, + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'xoff', type: 'int' }, + { name: 'yoff', type: 'int' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_distance_1 = /*#__PURE__*/ tslFn( ( [ p_immutable, x_immutable, y_immutable, z_immutable, xoff_immutable, yoff_immutable, zoff_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const zoff = int( zoff_immutable ).toVar(); + const yoff = int( yoff_immutable ).toVar(); + const xoff = int( xoff_immutable ).toVar(); + const z = int( z_immutable ).toVar(); + const y = int( y_immutable ).toVar(); + const x = int( x_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const off = vec3( mx_cell_noise_vec3( vec3( x.add( xoff ), y.add( yoff ), z.add( zoff ) ) ) ).toVar(); + off.subAssign( 0.5 ); + off.mulAssign( jitter ); + off.addAssign( 0.5 ); + const cellpos = vec3( vec3( float( x ), float( y ), float( z ) ).add( off ) ).toVar(); + const diff = vec3( cellpos.sub( p ) ).toVar(); + + If( metric.equal( int( 2 ) ), () => { + + return abs( diff.x ).add( abs( diff.y ) ).add( abs( diff.z ) ); + + } ); + + If( metric.equal( int( 3 ) ), () => { + + return max$1( max$1( abs( diff.x ), abs( diff.y ) ), abs( diff.z ) ); + + } ); + + return dot( diff, diff ); + +} ).setLayout( { + name: 'mx_worley_distance_1', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'x', type: 'int' }, + { name: 'y', type: 'int' }, + { name: 'z', type: 'int' }, + { name: 'xoff', type: 'int' }, + { name: 'yoff', type: 'int' }, + { name: 'zoff', type: 'int' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_distance = /*#__PURE__*/ overloadingFn( [ mx_worley_distance_0, mx_worley_distance_1 ] ); + +const mx_worley_noise_float_0 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec2( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(); + const localpos = vec2( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ) ).toVar(); + const sqdist = float( 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, X, Y, jitter, metric ) ).toVar(); + sqdist.assign( min$1( sqdist, dist ) ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_float_0', + type: 'float', + inputs: [ + { name: 'p', type: 'vec2' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_vec2_0 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec2( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(); + const localpos = vec2( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ) ).toVar(); + const sqdist = vec2( 1e6, 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, X, Y, jitter, metric ) ).toVar(); + + If( dist.lessThan( sqdist.x ), () => { + + sqdist.y.assign( sqdist.x ); + sqdist.x.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.y ), () => { + + sqdist.y.assign( dist ); + + } ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_vec2_0', + type: 'vec2', + inputs: [ + { name: 'p', type: 'vec2' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_vec3_0 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec2( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(); + const localpos = vec2( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ) ).toVar(); + const sqdist = vec3( 1e6, 1e6, 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, X, Y, jitter, metric ) ).toVar(); + + If( dist.lessThan( sqdist.x ), () => { + + sqdist.z.assign( sqdist.y ); + sqdist.y.assign( sqdist.x ); + sqdist.x.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.y ), () => { + + sqdist.z.assign( sqdist.y ); + sqdist.y.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.z ), () => { + + sqdist.z.assign( dist ); + + } ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_vec3_0', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec2' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_float_1 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(), Z = int().toVar(); + const localpos = vec3( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ), mx_floorfrac( p.z, Z ) ).toVar(); + const sqdist = float( 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'z', condition: '<=' }, ( { z } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, z, X, Y, Z, jitter, metric ) ).toVar(); + sqdist.assign( min$1( sqdist, dist ) ); + + } ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_float_1', + type: 'float', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_float$1 = /*#__PURE__*/ overloadingFn( [ mx_worley_noise_float_0, mx_worley_noise_float_1 ] ); + +const mx_worley_noise_vec2_1 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(), Z = int().toVar(); + const localpos = vec3( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ), mx_floorfrac( p.z, Z ) ).toVar(); + const sqdist = vec2( 1e6, 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'z', condition: '<=' }, ( { z } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, z, X, Y, Z, jitter, metric ) ).toVar(); + + If( dist.lessThan( sqdist.x ), () => { + + sqdist.y.assign( sqdist.x ); + sqdist.x.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.y ), () => { + + sqdist.y.assign( dist ); + + } ); + + } ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_vec2_1', + type: 'vec2', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_vec2$1 = /*#__PURE__*/ overloadingFn( [ mx_worley_noise_vec2_0, mx_worley_noise_vec2_1 ] ); + +const mx_worley_noise_vec3_1 = /*#__PURE__*/ tslFn( ( [ p_immutable, jitter_immutable, metric_immutable ] ) => { + + const metric = int( metric_immutable ).toVar(); + const jitter = float( jitter_immutable ).toVar(); + const p = vec3( p_immutable ).toVar(); + const X = int().toVar(), Y = int().toVar(), Z = int().toVar(); + const localpos = vec3( mx_floorfrac( p.x, X ), mx_floorfrac( p.y, Y ), mx_floorfrac( p.z, Z ) ).toVar(); + const sqdist = vec3( 1e6, 1e6, 1e6 ).toVar(); + + loop( { start: - 1, end: int( 1 ), name: 'x', condition: '<=' }, ( { x } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'y', condition: '<=' }, ( { y } ) => { + + loop( { start: - 1, end: int( 1 ), name: 'z', condition: '<=' }, ( { z } ) => { + + const dist = float( mx_worley_distance( localpos, x, y, z, X, Y, Z, jitter, metric ) ).toVar(); + + If( dist.lessThan( sqdist.x ), () => { + + sqdist.z.assign( sqdist.y ); + sqdist.y.assign( sqdist.x ); + sqdist.x.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.y ), () => { + + sqdist.z.assign( sqdist.y ); + sqdist.y.assign( dist ); + + } ).elseif( dist.lessThan( sqdist.z ), () => { + + sqdist.z.assign( dist ); + + } ); + + } ); + + } ); + + } ); + + If( metric.equal( int( 0 ) ), () => { + + sqdist.assign( sqrt( sqdist ) ); + + } ); + + return sqdist; + +} ).setLayout( { + name: 'mx_worley_noise_vec3_1', + type: 'vec3', + inputs: [ + { name: 'p', type: 'vec3' }, + { name: 'jitter', type: 'float' }, + { name: 'metric', type: 'int' } + ] +} ); + +const mx_worley_noise_vec3$1 = /*#__PURE__*/ overloadingFn( [ mx_worley_noise_vec3_0, mx_worley_noise_vec3_1 ] ); + +// Three.js Transpiler +// https://github.com/AcademySoftwareFoundation/MaterialX/blob/main/libraries/stdlib/genglsl/lib/mx_hsv.glsl + + +const mx_hsvtorgb = /*#__PURE__*/ tslFn( ( [ hsv_immutable ] ) => { + + const hsv = vec3( hsv_immutable ).toVar(); + const h = float( hsv.x ).toVar(); + const s = float( hsv.y ).toVar(); + const v = float( hsv.z ).toVar(); + + If( s.lessThan( 0.0001 ), () => { + + return vec3( v, v, v ); + + } ).else( () => { + + h.assign( mul( 6.0, h.sub( floor( h ) ) ) ); + const hi = int( trunc( h ) ).toVar(); + const f = float( h.sub( float( hi ) ) ).toVar(); + const p = float( v.mul( sub( 1.0, s ) ) ).toVar(); + const q = float( v.mul( sub( 1.0, s.mul( f ) ) ) ).toVar(); + const t = float( v.mul( sub( 1.0, s.mul( sub( 1.0, f ) ) ) ) ).toVar(); + + If( hi.equal( int( 0 ) ), () => { + + return vec3( v, t, p ); + + } ).elseif( hi.equal( int( 1 ) ), () => { + + return vec3( q, v, p ); + + } ).elseif( hi.equal( int( 2 ) ), () => { + + return vec3( p, v, t ); + + } ).elseif( hi.equal( int( 3 ) ), () => { + + return vec3( p, q, v ); + + } ).elseif( hi.equal( int( 4 ) ), () => { + + return vec3( t, p, v ); + + } ); + + return vec3( v, p, q ); + + } ); + +} ).setLayout( { + name: 'mx_hsvtorgb', + type: 'vec3', + inputs: [ + { name: 'hsv', type: 'vec3' } + ] +} ); + +const mx_rgbtohsv = /*#__PURE__*/ tslFn( ( [ c_immutable ] ) => { + + const c = vec3( c_immutable ).toVar(); + const r = float( c.x ).toVar(); + const g = float( c.y ).toVar(); + const b = float( c.z ).toVar(); + const mincomp = float( min$1( r, min$1( g, b ) ) ).toVar(); + const maxcomp = float( max$1( r, max$1( g, b ) ) ).toVar(); + const delta = float( maxcomp.sub( mincomp ) ).toVar(); + const h = float().toVar(), s = float().toVar(), v = float().toVar(); + v.assign( maxcomp ); + + If( maxcomp.greaterThan( 0.0 ), () => { + + s.assign( delta.div( maxcomp ) ); + + } ).else( () => { + + s.assign( 0.0 ); + + } ); + + If( s.lessThanEqual( 0.0 ), () => { + + h.assign( 0.0 ); + + } ).else( () => { + + If( r.greaterThanEqual( maxcomp ), () => { + + h.assign( g.sub( b ).div( delta ) ); + + } ).elseif( g.greaterThanEqual( maxcomp ), () => { + + h.assign( add( 2.0, b.sub( r ).div( delta ) ) ); + + } ).else( () => { + + h.assign( add( 4.0, r.sub( g ).div( delta ) ) ); + + } ); + + h.mulAssign( 1.0 / 6.0 ); + + If( h.lessThan( 0.0 ), () => { + + h.addAssign( 1.0 ); + + } ); + + } ); + + return vec3( h, s, v ); + +} ).setLayout( { + name: 'mx_rgbtohsv', + type: 'vec3', + inputs: [ + { name: 'c', type: 'vec3' } + ] +} ); + +// Three.js Transpiler +// https://github.com/AcademySoftwareFoundation/MaterialX/blob/main/libraries/stdlib/genglsl/lib/mx_transform_color.glsl + + +const mx_srgb_texture_to_lin_rec709 = /*#__PURE__*/ tslFn( ( [ color_immutable ] ) => { + + const color = vec3( color_immutable ).toVar(); + const isAbove = bvec3( greaterThan( color, vec3( 0.04045 ) ) ).toVar(); + const linSeg = vec3( color.div( 12.92 ) ).toVar(); + const powSeg = vec3( pow( max$1( color.add( vec3( 0.055 ) ), vec3( 0.0 ) ).div( 1.055 ), vec3( 2.4 ) ) ).toVar(); + + return mix( linSeg, powSeg, isAbove ); + +} ).setLayout( { + name: 'mx_srgb_texture_to_lin_rec709', + type: 'vec3', + inputs: [ + { name: 'color', type: 'vec3' } + ] +} ); + +const mx_aastep = ( threshold, value ) => { + + threshold = float( threshold ); + value = float( value ); + + const afwidth = vec2( value.dFdx(), value.dFdy() ).length().mul( 0.70710678118654757 ); + + return smoothstep( threshold.sub( afwidth ), threshold.add( afwidth ), value ); + +}; + +const _ramp = ( a, b, uv, p ) => mix( a, b, uv[ p ].clamp() ); +const mx_ramplr = ( valuel, valuer, texcoord = uv() ) => _ramp( valuel, valuer, texcoord, 'x' ); +const mx_ramptb = ( valuet, valueb, texcoord = uv() ) => _ramp( valuet, valueb, texcoord, 'y' ); + +const _split = ( a, b, center, uv, p ) => mix( a, b, mx_aastep( center, uv[ p ] ) ); +const mx_splitlr = ( valuel, valuer, center, texcoord = uv() ) => _split( valuel, valuer, center, texcoord, 'x' ); +const mx_splittb = ( valuet, valueb, center, texcoord = uv() ) => _split( valuet, valueb, center, texcoord, 'y' ); + +const mx_transform_uv = ( uv_scale = 1, uv_offset = 0, uv_geo = uv() ) => uv_geo.mul( uv_scale ).add( uv_offset ); + +const mx_safepower = ( in1, in2 = 1 ) => { + + in1 = float( in1 ); + + return in1.abs().pow( in2 ).mul( in1.sign() ); + +}; + +const mx_contrast = ( input, amount = 1, pivot = .5 ) => float( input ).sub( pivot ).mul( amount ).add( pivot ); + +const mx_noise_float = ( texcoord = uv(), amplitude = 1, pivot = 0 ) => mx_perlin_noise_float( texcoord.convert( 'vec2|vec3' ) ).mul( amplitude ).add( pivot ); +//export const mx_noise_vec2 = ( texcoord = uv(), amplitude = 1, pivot = 0 ) => mx_perlin_noise_vec3( texcoord.convert( 'vec2|vec3' ) ).mul( amplitude ).add( pivot ); +const mx_noise_vec3 = ( texcoord = uv(), amplitude = 1, pivot = 0 ) => mx_perlin_noise_vec3( texcoord.convert( 'vec2|vec3' ) ).mul( amplitude ).add( pivot ); +const mx_noise_vec4 = ( texcoord = uv(), amplitude = 1, pivot = 0 ) => { + + texcoord = texcoord.convert( 'vec2|vec3' ); // overloading type + + const noise_vec4 = vec4( mx_perlin_noise_vec3( texcoord ), mx_perlin_noise_float( texcoord.add( vec2( 19, 73 ) ) ) ); + + return noise_vec4.mul( amplitude ).add( pivot ); + +}; + +const mx_worley_noise_float = ( texcoord = uv(), jitter = 1 ) => mx_worley_noise_float$1( texcoord.convert( 'vec2|vec3' ), jitter, int( 1 ) ); +const mx_worley_noise_vec2 = ( texcoord = uv(), jitter = 1 ) => mx_worley_noise_vec2$1( texcoord.convert( 'vec2|vec3' ), jitter, int( 1 ) ); +const mx_worley_noise_vec3 = ( texcoord = uv(), jitter = 1 ) => mx_worley_noise_vec3$1( texcoord.convert( 'vec2|vec3' ), jitter, int( 1 ) ); + +const mx_cell_noise_float = ( texcoord = uv() ) => mx_cell_noise_float$1( texcoord.convert( 'vec2|vec3' ) ); + +const mx_fractal_noise_float = ( position = uv(), octaves = 3, lacunarity = 2, diminish = .5, amplitude = 1 ) => mx_fractal_noise_float$1( position, int( octaves ), lacunarity, diminish ).mul( amplitude ); +const mx_fractal_noise_vec2 = ( position = uv(), octaves = 3, lacunarity = 2, diminish = .5, amplitude = 1 ) => mx_fractal_noise_vec2$1( position, int( octaves ), lacunarity, diminish ).mul( amplitude ); +const mx_fractal_noise_vec3 = ( position = uv(), octaves = 3, lacunarity = 2, diminish = .5, amplitude = 1 ) => mx_fractal_noise_vec3$1( position, int( octaves ), lacunarity, diminish ).mul( amplitude ); +const mx_fractal_noise_vec4 = ( position = uv(), octaves = 3, lacunarity = 2, diminish = .5, amplitude = 1 ) => mx_fractal_noise_vec4$1( position, int( octaves ), lacunarity, diminish ).mul( amplitude ); + +function painterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.material.id !== b.material.id ) { + + return a.material.id - b.material.id; + + } else if ( a.z !== b.z ) { + + return a.z - b.z; + + } else { + + return a.id - b.id; + + } + +} + +function reversePainterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return a.id - b.id; + + } + +} + +class RenderList { + + constructor() { + + this.renderItems = []; + this.renderItemsIndex = 0; + + this.opaque = []; + this.transparent = []; + this.bundles = []; + + this.lightsNode = new LightsNode( [] ); + this.lightsArray = []; + + this.occlusionQueryCount = 0; + + } + + begin() { + + this.renderItemsIndex = 0; + + this.opaque.length = 0; + this.transparent.length = 0; + this.bundles.length = 0; + + this.lightsArray.length = 0; + + this.occlusionQueryCount = 0; + + return this; + + } + + getNextRenderItem( object, geometry, material, groupOrder, z, group ) { + + let renderItem = this.renderItems[ this.renderItemsIndex ]; + + if ( renderItem === undefined ) { + + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + groupOrder: groupOrder, + renderOrder: object.renderOrder, + z: z, + group: group + }; + + this.renderItems[ this.renderItemsIndex ] = renderItem; + + } else { + + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + + } + + this.renderItemsIndex ++; + + return renderItem; + + } + + push( object, geometry, material, groupOrder, z, group ) { + + const renderItem = this.getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + if ( object.occlusionTest === true ) this.occlusionQueryCount ++; + + ( material.transparent === true || material.transmission > 0 ? this.transparent : this.opaque ).push( renderItem ); + + } + + unshift( object, geometry, material, groupOrder, z, group ) { + + const renderItem = this.getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + ( material.transparent === true ? this.transparent : this.opaque ).unshift( renderItem ); + + } + + pushBundle( group ) { + + this.bundles.push( group ); + + } + + pushLight( light ) { + + this.lightsArray.push( light ); + + } + + getLightsNode() { + + return this.lightsNode.fromLights( this.lightsArray ); + + } + + sort( customOpaqueSort, customTransparentSort ) { + + if ( this.opaque.length > 1 ) this.opaque.sort( customOpaqueSort || painterSortStable ); + if ( this.transparent.length > 1 ) this.transparent.sort( customTransparentSort || reversePainterSortStable ); + + } + + finish() { + + // update lights + + this.lightsNode.fromLights( this.lightsArray ); + + // Clear references from inactive renderItems in the list + + for ( let i = this.renderItemsIndex, il = this.renderItems.length; i < il; i ++ ) { + + const renderItem = this.renderItems[ i ]; + + if ( renderItem.id === null ) break; + + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.groupOrder = null; + renderItem.renderOrder = null; + renderItem.z = null; + renderItem.group = null; + + } + + } + +} + +class RenderLists { + + constructor() { + + this.lists = new ChainMap(); + + } + + get( scene, camera ) { + + const lists = this.lists; + const keys = [ scene, camera ]; + + let list = lists.get( keys ); + + if ( list === undefined ) { + + list = new RenderList(); + lists.set( keys, list ); + + } + + return list; + + } + + dispose() { + + this.lists = new ChainMap(); + + } + +} + +let id$2 = 0; + +class RenderContext { + + constructor() { + + this.id = id$2 ++; + + this.color = true; + this.clearColor = true; + this.clearColorValue = { r: 0, g: 0, b: 0, a: 1 }; + + this.depth = true; + this.clearDepth = true; + this.clearDepthValue = 1; + + this.stencil = false; + this.clearStencil = true; + this.clearStencilValue = 1; + + this.viewport = false; + this.viewportValue = new Vector4(); + + this.scissor = false; + this.scissorValue = new Vector4(); + + this.textures = null; + this.depthTexture = null; + this.activeCubeFace = 0; + this.sampleCount = 1; + + this.width = 0; + this.height = 0; + + this.isRenderContext = true; + + } + +} + +class RenderContexts { + + constructor() { + + this.chainMaps = {}; + + } + + get( scene, camera, renderTarget = null ) { + + const chainKey = [ scene, camera ]; + + let attachmentState; + + if ( renderTarget === null ) { + + attachmentState = 'default'; + + } else { + + const format = renderTarget.texture.format; + const count = renderTarget.count; + + attachmentState = `${ count }:${ format }:${ renderTarget.samples }:${ renderTarget.depthBuffer }:${ renderTarget.stencilBuffer }`; + + } + + const chainMap = this.getChainMap( attachmentState ); + + let renderState = chainMap.get( chainKey ); + + if ( renderState === undefined ) { + + renderState = new RenderContext(); + + chainMap.set( chainKey, renderState ); + + } + + if ( renderTarget !== null ) renderState.sampleCount = renderTarget.samples === 0 ? 1 : renderTarget.samples; + + return renderState; + + } + + getChainMap( attachmentState ) { + + return this.chainMaps[ attachmentState ] || ( this.chainMaps[ attachmentState ] = new ChainMap() ); + + } + + dispose() { + + this.chainMaps = {}; + + } + +} + +const _size = new Vector3(); + +class Textures extends DataMap { + + constructor( renderer, backend, info ) { + + super(); + + this.renderer = renderer; + this.backend = backend; + this.info = info; + + } + + updateRenderTarget( renderTarget, activeMipmapLevel = 0 ) { + + const renderTargetData = this.get( renderTarget ); + + const sampleCount = renderTarget.samples === 0 ? 1 : renderTarget.samples; + const depthTextureMips = renderTargetData.depthTextureMips || ( renderTargetData.depthTextureMips = {} ); + + const texture = renderTarget.texture; + const textures = renderTarget.textures; + + const size = this.getSize( texture ); + + const mipWidth = size.width >> activeMipmapLevel; + const mipHeight = size.height >> activeMipmapLevel; + + let depthTexture = renderTarget.depthTexture || depthTextureMips[ activeMipmapLevel ]; + let textureNeedsUpdate = false; + + if ( depthTexture === undefined ) { + + depthTexture = new DepthTexture(); + depthTexture.format = renderTarget.stencilBuffer ? DepthStencilFormat : DepthFormat; + depthTexture.type = renderTarget.stencilBuffer ? UnsignedInt248Type : UnsignedIntType; // FloatType + depthTexture.image.width = mipWidth; + depthTexture.image.height = mipHeight; + + depthTextureMips[ activeMipmapLevel ] = depthTexture; + + } + + if ( renderTargetData.width !== size.width || size.height !== renderTargetData.height ) { + + textureNeedsUpdate = true; + depthTexture.needsUpdate = true; + + depthTexture.image.width = mipWidth; + depthTexture.image.height = mipHeight; + + } + + renderTargetData.width = size.width; + renderTargetData.height = size.height; + renderTargetData.textures = textures; + renderTargetData.depthTexture = depthTexture; + renderTargetData.depth = renderTarget.depthBuffer; + renderTargetData.stencil = renderTarget.stencilBuffer; + renderTargetData.renderTarget = renderTarget; + + if ( renderTargetData.sampleCount !== sampleCount ) { + + textureNeedsUpdate = true; + depthTexture.needsUpdate = true; + + renderTargetData.sampleCount = sampleCount; + + } + + // + + const options = { sampleCount }; + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + + if ( textureNeedsUpdate ) texture.needsUpdate = true; + + this.updateTexture( texture, options ); + + } + + this.updateTexture( depthTexture, options ); + + // dispose handler + + if ( renderTargetData.initialized !== true ) { + + renderTargetData.initialized = true; + + // dispose + + const onDispose = () => { + + renderTarget.removeEventListener( 'dispose', onDispose ); + + if ( textures !== undefined ) { + + for ( let i = 0; i < textures.length; i ++ ) { + + this._destroyTexture( textures[ i ] ); + + } + + } else { + + this._destroyTexture( texture ); + + } + + this._destroyTexture( depthTexture ); + + }; + + renderTarget.addEventListener( 'dispose', onDispose ); + + } + + } + + updateTexture( texture, options = {} ) { + + const textureData = this.get( texture ); + if ( textureData.initialized === true && textureData.version === texture.version ) return; + + const isRenderTarget = texture.isRenderTargetTexture || texture.isDepthTexture || texture.isFramebufferTexture; + const backend = this.backend; + + if ( isRenderTarget && textureData.initialized === true ) { + + // it's an update + + backend.destroySampler( texture ); + backend.destroyTexture( texture ); + + } + + // + + if ( texture.isFramebufferTexture ) { + + const renderer = this.renderer; + const renderTarget = renderer.getRenderTarget(); + + if ( renderTarget ) { + + texture.type = renderTarget.texture.type; + + } else { + + texture.type = UnsignedByteType; + + } + + } + + // + + const { width, height, depth } = this.getSize( texture ); + + options.width = width; + options.height = height; + options.depth = depth; + options.needsMipmaps = this.needsMipmaps( texture ); + options.levels = options.needsMipmaps ? this.getMipLevels( texture, width, height ) : 1; + + // + + if ( isRenderTarget || texture.isStorageTexture === true ) { + + backend.createSampler( texture ); + backend.createTexture( texture, options ); + + } else { + + const needsCreate = textureData.initialized !== true; + + if ( needsCreate ) backend.createSampler( texture ); + + if ( texture.version > 0 ) { + + const image = texture.image; + + if ( image === undefined ) { + + console.warn( 'THREE.Renderer: Texture marked for update but image is undefined.' ); + + } else if ( image.complete === false ) { + + console.warn( 'THREE.Renderer: Texture marked for update but image is incomplete.' ); + + } else { + + if ( texture.images ) { + + const images = []; + + for ( const image of texture.images ) { + + images.push( image ); + + } + + options.images = images; + + } else { + + options.image = image; + + } + + if ( textureData.isDefaultTexture === undefined || textureData.isDefaultTexture === true ) { + + backend.createTexture( texture, options ); + + textureData.isDefaultTexture = false; + + } + + if ( texture.source.dataReady === true ) backend.updateTexture( texture, options ); + + if ( options.needsMipmaps && texture.mipmaps.length === 0 ) backend.generateMipmaps( texture ); + + } + + } else { + + // async update + + backend.createDefaultTexture( texture ); + + textureData.isDefaultTexture = true; + + } + + } + + // dispose handler + + if ( textureData.initialized !== true ) { + + textureData.initialized = true; + + // + + this.info.memory.textures ++; + + // dispose + + const onDispose = () => { + + texture.removeEventListener( 'dispose', onDispose ); + + this._destroyTexture( texture ); + + this.info.memory.textures --; + + }; + + texture.addEventListener( 'dispose', onDispose ); + + } + + // + + textureData.version = texture.version; + + } + + getSize( texture, target = _size ) { + + let image = texture.images ? texture.images[ 0 ] : texture.image; + + if ( image ) { + + if ( image.image !== undefined ) image = image.image; + + target.width = image.width; + target.height = image.height; + target.depth = texture.isCubeTexture ? 6 : ( image.depth || 1 ); + + } else { + + target.width = target.height = target.depth = 1; + + } + + return target; + + } + + getMipLevels( texture, width, height ) { + + let mipLevelCount; + + if ( texture.isCompressedTexture ) { + + mipLevelCount = texture.mipmaps.length; + + } else { + + mipLevelCount = Math.floor( Math.log2( Math.max( width, height ) ) ) + 1; + + } + + return mipLevelCount; + + } + + needsMipmaps( texture ) { + + if ( this.isEnvironmentTexture( texture ) ) return true; + + return ( texture.isCompressedTexture === true ) || ( ( texture.minFilter !== NearestFilter ) && ( texture.minFilter !== LinearFilter ) ); + + } + + isEnvironmentTexture( texture ) { + + const mapping = texture.mapping; + + return ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) || ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping ); + + } + + _destroyTexture( texture ) { + + this.backend.destroySampler( texture ); + this.backend.destroyTexture( texture ); + + this.delete( texture ); + + } + +} + +class Color4 extends Color { + + constructor( r, g, b, a = 1 ) { + + super( r, g, b ); + + this.a = a; + + } + + set( r, g, b, a = 1 ) { + + this.a = a; + + return super.set( r, g, b ); + + } + + copy( color ) { + + if ( color.a !== undefined ) this.a = color.a; + + return super.copy( color ); + + } + + clone() { + + return new this.constructor( this.r, this.g, this.b, this.a ); + + } + +} + +const _clearColor = new Color4(); + +class Background extends DataMap { + + constructor( renderer, nodes ) { + + super(); + + this.renderer = renderer; + this.nodes = nodes; + + } + + update( scene, renderList, renderContext ) { + + const renderer = this.renderer; + const background = this.nodes.getBackgroundNode( scene ) || scene.background; + + let forceClear = false; + + if ( background === null ) { + + // no background settings, use clear color configuration from the renderer + + renderer._clearColor.getRGB( _clearColor, LinearSRGBColorSpace ); + _clearColor.a = renderer._clearColor.a; + + } else if ( background.isColor === true ) { + + // background is an opaque color + + background.getRGB( _clearColor, LinearSRGBColorSpace ); + _clearColor.a = 1; + + forceClear = true; + + } else if ( background.isNode === true ) { + + const sceneData = this.get( scene ); + const backgroundNode = background; + + _clearColor.copy( renderer._clearColor ); + + let backgroundMesh = sceneData.backgroundMesh; + + if ( backgroundMesh === undefined ) { + + const backgroundMeshNode = context( vec4( backgroundNode ).mul( backgroundIntensity ), { + // @TODO: Add Texture2D support using node context + getUV: () => normalWorld, + getTextureLevel: () => backgroundBlurriness + } ); + + let viewProj = modelViewProjection(); + viewProj = viewProj.setZ( viewProj.w ); + + const nodeMaterial = new NodeMaterial(); + nodeMaterial.side = BackSide; + nodeMaterial.depthTest = false; + nodeMaterial.depthWrite = false; + nodeMaterial.fog = false; + nodeMaterial.vertexNode = viewProj; + nodeMaterial.fragmentNode = backgroundMeshNode; + + sceneData.backgroundMeshNode = backgroundMeshNode; + sceneData.backgroundMesh = backgroundMesh = new Mesh( new SphereGeometry( 1, 32, 32 ), nodeMaterial ); + backgroundMesh.frustumCulled = false; + + backgroundMesh.onBeforeRender = function ( renderer, scene, camera ) { + + this.matrixWorld.copyPosition( camera.matrixWorld ); + + }; + + } + + const backgroundCacheKey = backgroundNode.getCacheKey(); + + if ( sceneData.backgroundCacheKey !== backgroundCacheKey ) { + + sceneData.backgroundMeshNode.node = vec4( backgroundNode ).mul( backgroundIntensity ); + + backgroundMesh.material.needsUpdate = true; + + sceneData.backgroundCacheKey = backgroundCacheKey; + + } + + renderList.unshift( backgroundMesh, backgroundMesh.geometry, backgroundMesh.material, 0, 0, null ); + + } else { + + console.error( 'THREE.Renderer: Unsupported background configuration.', background ); + + } + + // + + if ( renderer.autoClear === true || forceClear === true ) { + + _clearColor.multiplyScalar( _clearColor.a ); + + const clearColorValue = renderContext.clearColorValue; + + clearColorValue.r = _clearColor.r; + clearColorValue.g = _clearColor.g; + clearColorValue.b = _clearColor.b; + clearColorValue.a = _clearColor.a; + + renderContext.depthClearValue = renderer._clearDepth; + renderContext.stencilClearValue = renderer._clearStencil; + + renderContext.clearColor = renderer.autoClearColor === true; + renderContext.clearDepth = renderer.autoClearDepth === true; + renderContext.clearStencil = renderer.autoClearStencil === true; + + } else { + + renderContext.clearColor = false; + renderContext.clearDepth = false; + renderContext.clearStencil = false; + + } + + } + +} + +class NodeBuilderState { + + constructor( vertexShader, fragmentShader, computeShader, nodeAttributes, bindings, updateNodes, updateBeforeNodes, updateAfterNodes, instanceBindGroups = true, transforms = [] ) { + + this.vertexShader = vertexShader; + this.fragmentShader = fragmentShader; + this.computeShader = computeShader; + this.transforms = transforms; + + this.nodeAttributes = nodeAttributes; + this.bindings = bindings; + + this.updateNodes = updateNodes; + this.updateBeforeNodes = updateBeforeNodes; + this.updateAfterNodes = updateAfterNodes; + + this.instanceBindGroups = instanceBindGroups; + + this.usedTimes = 0; + + } + + createBindings() { + + const bindings = []; + + for ( const instanceGroup of this.bindings ) { + + const shared = this.instanceBindGroups && instanceGroup.bindings[ 0 ].groupNode.shared; + + if ( shared !== true ) { + + const bindingsGroup = new BindGroup( instanceGroup.name ); + bindings.push( bindingsGroup ); + + for ( const instanceBinding of instanceGroup.bindings ) { + + bindingsGroup.bindings.push( instanceBinding.clone() ); + + } + + } else { + + bindings.push( instanceGroup ); + + } + + } + + return bindings; + + } + +} + +class Nodes extends DataMap { + + constructor( renderer, backend ) { + + super(); + + this.renderer = renderer; + this.backend = backend; + this.nodeFrame = new NodeFrame(); + this.nodeBuilderCache = new Map(); + this.callHashCache = new ChainMap(); + this.groupsData = new ChainMap(); + + } + + updateGroup( nodeUniformsGroup ) { + + const groupNode = nodeUniformsGroup.groupNode; + const name = groupNode.name; + + // objectGroup is every updated + + if ( name === objectGroup.name ) return true; + + // renderGroup is updated once per render/compute call + + if ( name === renderGroup.name ) { + + const uniformsGroupData = this.get( nodeUniformsGroup ); + const renderId = this.nodeFrame.renderId; + + if ( uniformsGroupData.renderId !== renderId ) { + + uniformsGroupData.renderId = renderId; + + return true; + + } + + return false; + + } + + // frameGroup is updated once per frame + + if ( name === frameGroup.name ) { + + const uniformsGroupData = this.get( nodeUniformsGroup ); + const frameId = this.nodeFrame.frameId; + + if ( uniformsGroupData.frameId !== frameId ) { + + uniformsGroupData.frameId = frameId; + + return true; + + } + + return false; + + } + + // other groups are updated just when groupNode.needsUpdate is true + + const groupChain = [ groupNode, nodeUniformsGroup ]; + + let groupData = this.groupsData.get( groupChain ); + if ( groupData === undefined ) this.groupsData.set( groupChain, groupData = {} ); + + if ( groupData.version !== groupNode.version ) { + + groupData.version = groupNode.version; + + return true; + + } + + return false; + + } + + getForRenderCacheKey( renderObject ) { + + return renderObject.initialCacheKey; + + } + + getForRender( renderObject ) { + + const renderObjectData = this.get( renderObject ); + + let nodeBuilderState = renderObjectData.nodeBuilderState; + + if ( nodeBuilderState === undefined ) { + + const { nodeBuilderCache } = this; + + const cacheKey = this.getForRenderCacheKey( renderObject ); + + nodeBuilderState = nodeBuilderCache.get( cacheKey ); + + if ( nodeBuilderState === undefined ) { + + const nodeBuilder = this.backend.createNodeBuilder( renderObject.object, this.renderer ); + nodeBuilder.scene = renderObject.scene; + nodeBuilder.material = renderObject.material; + nodeBuilder.camera = renderObject.camera; + nodeBuilder.context.material = renderObject.material; + nodeBuilder.lightsNode = renderObject.lightsNode; + nodeBuilder.environmentNode = this.getEnvironmentNode( renderObject.scene ); + nodeBuilder.fogNode = this.getFogNode( renderObject.scene ); + nodeBuilder.clippingContext = renderObject.clippingContext; + nodeBuilder.build(); + + nodeBuilderState = this._createNodeBuilderState( nodeBuilder ); + + nodeBuilderCache.set( cacheKey, nodeBuilderState ); + + } + + nodeBuilderState.usedTimes ++; + + renderObjectData.nodeBuilderState = nodeBuilderState; + + } + + return nodeBuilderState; + + } + + delete( object ) { + + if ( object.isRenderObject ) { + + const nodeBuilderState = this.get( object ).nodeBuilderState; + nodeBuilderState.usedTimes --; + + if ( nodeBuilderState.usedTimes === 0 ) { + + this.nodeBuilderCache.delete( this.getForRenderCacheKey( object ) ); + + } + + } + + return super.delete( object ); + + } + + getForCompute( computeNode ) { + + const computeData = this.get( computeNode ); + + let nodeBuilderState = computeData.nodeBuilderState; + + if ( nodeBuilderState === undefined ) { + + const nodeBuilder = this.backend.createNodeBuilder( computeNode, this.renderer ); + nodeBuilder.build(); + + nodeBuilderState = this._createNodeBuilderState( nodeBuilder ); + + computeData.nodeBuilderState = nodeBuilderState; + + } + + return nodeBuilderState; + + } + + _createNodeBuilderState( nodeBuilder ) { + + return new NodeBuilderState( + nodeBuilder.vertexShader, + nodeBuilder.fragmentShader, + nodeBuilder.computeShader, + nodeBuilder.getAttributesArray(), + nodeBuilder.getBindings(), + nodeBuilder.updateNodes, + nodeBuilder.updateBeforeNodes, + nodeBuilder.updateAfterNodes, + nodeBuilder.instanceBindGroups, + nodeBuilder.transforms + ); + + } + + getEnvironmentNode( scene ) { + + return scene.environmentNode || this.get( scene ).environmentNode || null; + + } + + getBackgroundNode( scene ) { + + return scene.backgroundNode || this.get( scene ).backgroundNode || null; + + } + + getFogNode( scene ) { + + return scene.fogNode || this.get( scene ).fogNode || null; + + } + + getCacheKey( scene, lightsNode ) { + + const chain = [ scene, lightsNode ]; + const callId = this.renderer.info.calls; + + let cacheKeyData = this.callHashCache.get( chain ); + + if ( cacheKeyData === undefined || cacheKeyData.callId !== callId ) { + + const environmentNode = this.getEnvironmentNode( scene ); + const fogNode = this.getFogNode( scene ); + + const cacheKey = []; + + if ( lightsNode ) cacheKey.push( lightsNode.getCacheKey() ); + if ( environmentNode ) cacheKey.push( environmentNode.getCacheKey() ); + if ( fogNode ) cacheKey.push( fogNode.getCacheKey() ); + + cacheKeyData = { + callId, + cacheKey: cacheKey.join( ',' ) + }; + + this.callHashCache.set( chain, cacheKeyData ); + + } + + return cacheKeyData.cacheKey; + + } + + updateScene( scene ) { + + this.updateEnvironment( scene ); + this.updateFog( scene ); + this.updateBackground( scene ); + + } + + get isToneMappingState() { + + return this.renderer.getRenderTarget() ? false : true; + + } + + updateBackground( scene ) { + + const sceneData = this.get( scene ); + const background = scene.background; + + if ( background ) { + + if ( sceneData.background !== background ) { + + let backgroundNode = null; + + if ( background.isCubeTexture === true || ( background.mapping === EquirectangularReflectionMapping || background.mapping === EquirectangularRefractionMapping ) ) { + + backgroundNode = pmremTexture( background, normalWorld ); + + } else if ( background.isTexture === true ) { + + backgroundNode = texture( background, viewportBottomLeft ).setUpdateMatrix( true ); + + } else if ( background.isColor !== true ) { + + console.error( 'WebGPUNodes: Unsupported background configuration.', background ); + + } + + sceneData.backgroundNode = backgroundNode; + sceneData.background = background; + + } + + } else if ( sceneData.backgroundNode ) { + + delete sceneData.backgroundNode; + delete sceneData.background; + + } + + } + + updateFog( scene ) { + + const sceneData = this.get( scene ); + const fog = scene.fog; + + if ( fog ) { + + if ( sceneData.fog !== fog ) { + + let fogNode = null; + + if ( fog.isFogExp2 ) { + + fogNode = densityFog( reference( 'color', 'color', fog ), reference( 'density', 'float', fog ) ); + + } else if ( fog.isFog ) { + + fogNode = rangeFog( reference( 'color', 'color', fog ), reference( 'near', 'float', fog ), reference( 'far', 'float', fog ) ); + + } else { + + console.error( 'WebGPUNodes: Unsupported fog configuration.', fog ); + + } + + sceneData.fogNode = fogNode; + sceneData.fog = fog; + + } + + } else { + + delete sceneData.fogNode; + delete sceneData.fog; + + } + + } + + updateEnvironment( scene ) { + + const sceneData = this.get( scene ); + const environment = scene.environment; + + if ( environment ) { + + if ( sceneData.environment !== environment ) { + + let environmentNode = null; + + if ( environment.isCubeTexture === true ) { + + environmentNode = cubeTexture( environment ); + + } else if ( environment.isTexture === true ) { + + environmentNode = texture( environment ); + + } else { + + console.error( 'Nodes: Unsupported environment configuration.', environment ); + + } + + sceneData.environmentNode = environmentNode; + sceneData.environment = environment; + + } + + } else if ( sceneData.environmentNode ) { + + delete sceneData.environmentNode; + delete sceneData.environment; + + } + + } + + getNodeFrame( renderer = this.renderer, scene = null, object = null, camera = null, material = null ) { + + const nodeFrame = this.nodeFrame; + nodeFrame.renderer = renderer; + nodeFrame.scene = scene; + nodeFrame.object = object; + nodeFrame.camera = camera; + nodeFrame.material = material; + + return nodeFrame; + + } + + getNodeFrameForRender( renderObject ) { + + return this.getNodeFrame( renderObject.renderer, renderObject.scene, renderObject.object, renderObject.camera, renderObject.material ); + + } + + getOutputNode( outputTexture ) { + + let output = texture( outputTexture, viewportTopLeft ); + + if ( this.isToneMappingState ) { + + if ( this.renderer.toneMappingNode ) { + + output = vec4( this.renderer.toneMappingNode.context( { color: output.rgb } ), output.a ); + + } else if ( this.renderer.toneMapping !== NoToneMapping ) { + + output = output.toneMapping( this.renderer.toneMapping ); + + } + + } + + if ( this.renderer.currentColorSpace === SRGBColorSpace ) { + + output = output.linearToColorSpace( this.renderer.currentColorSpace ); + + } + + return output; + + } + + updateBefore( renderObject ) { + + const nodeFrame = this.getNodeFrameForRender( renderObject ); + const nodeBuilder = renderObject.getNodeBuilderState(); + + for ( const node of nodeBuilder.updateBeforeNodes ) { + + nodeFrame.updateBeforeNode( node ); + + } + + } + + updateAfter( renderObject ) { + + const nodeFrame = this.getNodeFrameForRender( renderObject ); + const nodeBuilder = renderObject.getNodeBuilderState(); + + for ( const node of nodeBuilder.updateAfterNodes ) { + + nodeFrame.updateAfterNode( node ); + + } + + } + + updateForCompute( computeNode ) { + + const nodeFrame = this.getNodeFrame(); + const nodeBuilder = this.getForCompute( computeNode ); + + for ( const node of nodeBuilder.updateNodes ) { + + nodeFrame.updateNode( node ); + + } + + } + + updateForRender( renderObject ) { + + const nodeFrame = this.getNodeFrameForRender( renderObject ); + const nodeBuilder = renderObject.getNodeBuilderState(); + + for ( const node of nodeBuilder.updateNodes ) { + + nodeFrame.updateNode( node ); + + } + + } + + dispose() { + + super.dispose(); + + this.nodeFrame = new NodeFrame(); + this.nodeBuilderCache = new Map(); + + } + +} + +class RenderBundle { + + constructor( scene, camera ) { + + this.scene = scene; + this.camera = camera; + + } + + clone() { + + return Object.assign( new this.constructor(), this ); + + } + +} + +class RenderBundles { + + constructor() { + + this.lists = new ChainMap(); + + } + + get( scene, camera ) { + + const lists = this.lists; + const keys = [ scene, camera ]; + + let list = lists.get( keys ); + + if ( list === undefined ) { + + list = new RenderBundle( scene, camera ); + lists.set( keys, list ); + + } + + return list; + + } + + dispose() { + + this.lists = new ChainMap(); + + } + +} + +const _scene = new Scene(); +const _drawingBufferSize = new Vector2(); +const _screen = new Vector4(); +const _frustum = new Frustum(); +const _projScreenMatrix = new Matrix4(); +const _vector3 = new Vector3(); +const _quad = new QuadMesh( new NodeMaterial() ); + +class Renderer { + + constructor( backend, parameters = {} ) { + + this.isRenderer = true; + + // + + const { + logarithmicDepthBuffer = false, + alpha = true + } = parameters; + + // public + + this.domElement = backend.getDomElement(); + + this.backend = backend; + + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + + this.alpha = alpha; + + this.logarithmicDepthBuffer = logarithmicDepthBuffer; + + this.outputColorSpace = SRGBColorSpace; + + this.toneMapping = NoToneMapping; + this.toneMappingExposure = 1.0; + + this.sortObjects = true; + + this.depth = true; + this.stencil = false; + + this.clippingPlanes = []; + + this.info = new Info(); + + // nodes + + this.toneMappingNode = null; + + // internals + + this._pixelRatio = 1; + this._width = this.domElement.width; + this._height = this.domElement.height; + + this._viewport = new Vector4( 0, 0, this._width, this._height ); + this._scissor = new Vector4( 0, 0, this._width, this._height ); + this._scissorTest = false; + + this._attributes = null; + this._geometries = null; + this._nodes = null; + this._animation = null; + this._bindings = null; + this._objects = null; + this._pipelines = null; + this._bundles = null; + this._renderLists = null; + this._renderContexts = null; + this._textures = null; + this._background = null; + + this._currentRenderContext = null; + + this._opaqueSort = null; + this._transparentSort = null; + + this._frameBufferTarget = null; + + const alphaClear = this.alpha === true ? 0 : 1; + + this._clearColor = new Color4( 0, 0, 0, alphaClear ); + this._clearDepth = 1; + this._clearStencil = 0; + + this._renderTarget = null; + this._activeCubeFace = 0; + this._activeMipmapLevel = 0; + + this._renderObjectFunction = null; + this._currentRenderObjectFunction = null; + this._currentRenderBundle = null; + + this._handleObjectFunction = this._renderObjectDirect; + + this._initialized = false; + this._initPromise = null; + + this._compilationPromises = null; + + // backwards compatibility + + this.shadowMap = { + enabled: false, + type: null + }; + + this.xr = { + enabled: false + }; + + this.debug = { + checkShaderErrors: true, + onShaderError: null + }; + + } + + async init() { + + if ( this._initialized ) { + + throw new Error( 'Renderer: Backend has already been initialized.' ); + + } + + if ( this._initPromise !== null ) { + + return this._initPromise; + + } + + this._initPromise = new Promise( async ( resolve, reject ) => { + + const backend = this.backend; + + try { + + await backend.init( this ); + + } catch ( error ) { + + reject( error ); + return; + + } + + this._nodes = new Nodes( this, backend ); + this._animation = new Animation( this._nodes, this.info ); + this._attributes = new Attributes( backend ); + this._background = new Background( this, this._nodes ); + this._geometries = new Geometries( this._attributes, this.info ); + this._textures = new Textures( this, backend, this.info ); + this._pipelines = new Pipelines( backend, this._nodes ); + this._bindings = new Bindings( backend, this._nodes, this._textures, this._attributes, this._pipelines, this.info ); + this._objects = new RenderObjects( this, this._nodes, this._geometries, this._pipelines, this._bindings, this.info ); + this._renderLists = new RenderLists(); + this._bundles = new RenderBundles(); + this._renderContexts = new RenderContexts(); + + // + + this._initialized = true; + + resolve(); + + } ); + + return this._initPromise; + + } + + get coordinateSystem() { + + return this.backend.coordinateSystem; + + } + + async compileAsync( scene, camera, targetScene = null ) { + + if ( this._initialized === false ) await this.init(); + + // preserve render tree + + const nodeFrame = this._nodes.nodeFrame; + + const previousRenderId = nodeFrame.renderId; + const previousRenderContext = this._currentRenderContext; + const previousRenderObjectFunction = this._currentRenderObjectFunction; + const previousCompilationPromises = this._compilationPromises; + + // + + const sceneRef = ( scene.isScene === true ) ? scene : _scene; + + if ( targetScene === null ) targetScene = scene; + + const renderTarget = this._renderTarget; + const renderContext = this._renderContexts.get( targetScene, camera, renderTarget ); + const activeMipmapLevel = this._activeMipmapLevel; + + const compilationPromises = []; + + this._currentRenderContext = renderContext; + this._currentRenderObjectFunction = this.renderObject; + + this._handleObjectFunction = this._createObjectPipeline; + + this._compilationPromises = compilationPromises; + + nodeFrame.renderId ++; + + // + + nodeFrame.update(); + + // + + renderContext.depth = this.depth; + renderContext.stencil = this.stencil; + + if ( ! renderContext.clippingContext ) renderContext.clippingContext = new ClippingContext(); + renderContext.clippingContext.updateGlobal( this, camera ); + + // + + sceneRef.onBeforeRender( this, scene, camera, renderTarget ); + + // + + const renderList = this._renderLists.get( scene, camera ); + renderList.begin(); + + this._projectObject( scene, camera, 0, renderList ); + + // include lights from target scene + if ( targetScene !== scene ) { + + targetScene.traverseVisible( function ( object ) { + + if ( object.isLight && object.layers.test( camera.layers ) ) { + + renderList.pushLight( object ); + + } + + } ); + + } + + renderList.finish(); + + // + + if ( renderTarget !== null ) { + + this._textures.updateRenderTarget( renderTarget, activeMipmapLevel ); + + const renderTargetData = this._textures.get( renderTarget ); + + renderContext.textures = renderTargetData.textures; + renderContext.depthTexture = renderTargetData.depthTexture; + + } else { + + renderContext.textures = null; + renderContext.depthTexture = null; + + } + + // + + this._nodes.updateScene( sceneRef ); + + // + + this._background.update( sceneRef, renderList, renderContext ); + + // process render lists + + const opaqueObjects = renderList.opaque; + const transparentObjects = renderList.transparent; + const lightsNode = renderList.lightsNode; + + if ( opaqueObjects.length > 0 ) this._renderObjects( opaqueObjects, camera, sceneRef, lightsNode ); + if ( transparentObjects.length > 0 ) this._renderObjects( transparentObjects, camera, sceneRef, lightsNode ); + + // restore render tree + + nodeFrame.renderId = previousRenderId; + + this._currentRenderContext = previousRenderContext; + this._currentRenderObjectFunction = previousRenderObjectFunction; + this._compilationPromises = previousCompilationPromises; + + this._handleObjectFunction = this._renderObjectDirect; + + // wait for all promises setup by backends awaiting compilation/linking/pipeline creation to complete + + await Promise.all( compilationPromises ); + + } + + async renderAsync( scene, camera ) { + + if ( this._initialized === false ) await this.init(); + + const renderContext = this._renderScene( scene, camera ); + + await this.backend.resolveTimestampAsync( renderContext, 'render' ); + + } + + _renderBundle( bundle, sceneRef, lightsNode ) { + + const { object, camera, renderList } = bundle; + + const renderContext = this._currentRenderContext; + const renderContextData = this.backend.get( renderContext ); + + // + + const renderBundle = this._bundles.get( object, camera ); + + const renderBundleData = this.backend.get( renderBundle ); + if ( renderBundleData.renderContexts === undefined ) renderBundleData.renderContexts = new Set(); + + // + + const renderBundleNeedsUpdate = renderBundleData.renderContexts.has( renderContext ) === false || object.needsUpdate === true; + + renderBundleData.renderContexts.add( renderContext ); + + if ( renderBundleNeedsUpdate ) { + + if ( renderContextData.renderObjects === undefined || object.needsUpdate === true ) { + + const nodeFrame = this._nodes.nodeFrame; + + renderContextData.renderObjects = []; + renderContextData.renderBundles = []; + renderContextData.scene = sceneRef; + renderContextData.camera = camera; + renderContextData.renderId = nodeFrame.renderId; + + renderContextData.registerBundlesPhase = true; + + } + + this._currentRenderBundle = renderBundle; + + const opaqueObjects = renderList.opaque; + + if ( opaqueObjects.length > 0 ) this._renderObjects( opaqueObjects, camera, sceneRef, lightsNode ); + + this._currentRenderBundle = null; + + // + + object.needsUpdate = false; + + } else { + + const renderContext = this._currentRenderContext; + const renderContextData = this.backend.get( renderContext ); + + for ( let i = 0, l = renderContextData.renderObjects.length; i < l; i ++ ) { + + const renderObject = renderContextData.renderObjects[ i ]; + + this._nodes.updateBefore( renderObject ); + + // + + renderObject.object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, renderObject.object.matrixWorld ); + renderObject.object.normalMatrix.getNormalMatrix( renderObject.object.modelViewMatrix ); + + this._nodes.updateForRender( renderObject ); + this._bindings.updateForRender( renderObject ); + + this.backend.draw( renderObject, this.info ); + + this._nodes.updateAfter( renderObject ); + + } + + } + + } + + render( scene, camera ) { + + if ( this._initialized === false ) { + + console.warn( 'THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead.' ); + + return this.renderAsync( scene, camera ); + + } + + this._renderScene( scene, camera ); + + } + + _getFrameBufferTarget() { + + const { currentColorSpace } = this; + + const useToneMapping = this._renderTarget === null && ( this.toneMapping !== NoToneMapping || this.toneMappingNode !== null ); + const useColorSpace = currentColorSpace !== LinearSRGBColorSpace && currentColorSpace !== NoColorSpace; + + if ( useToneMapping === false && useColorSpace === false ) return null; + + const { width, height } = this.getDrawingBufferSize( _drawingBufferSize ); + const { depth, stencil } = this; + + let frameBufferTarget = this._frameBufferTarget; + + if ( frameBufferTarget === null ) { + + frameBufferTarget = new RenderTarget( width, height, { + depthBuffer: depth, + stencilBuffer: stencil, + type: HalfFloatType, // FloatType + format: RGBAFormat, + colorSpace: LinearSRGBColorSpace, + generateMipmaps: false, + minFilter: LinearFilter, + magFilter: LinearFilter, + samples: this.backend.parameters.antialias ? 4 : 0 + } ); + + frameBufferTarget.isPostProcessingRenderTarget = true; + + this._frameBufferTarget = frameBufferTarget; + + } + + frameBufferTarget.depthBuffer = depth; + frameBufferTarget.stencilBuffer = stencil; + frameBufferTarget.setSize( width, height ); + frameBufferTarget.viewport.copy( this._viewport ); + frameBufferTarget.scissor.copy( this._scissor ); + frameBufferTarget.viewport.multiplyScalar( this._pixelRatio ); + frameBufferTarget.scissor.multiplyScalar( this._pixelRatio ); + frameBufferTarget.scissorTest = this._scissorTest; + + return frameBufferTarget; + + } + + _renderScene( scene, camera, useFrameBufferTarget = true ) { + + const frameBufferTarget = useFrameBufferTarget ? this._getFrameBufferTarget() : null; + + // preserve render tree + + const nodeFrame = this._nodes.nodeFrame; + + const previousRenderId = nodeFrame.renderId; + const previousRenderContext = this._currentRenderContext; + const previousRenderObjectFunction = this._currentRenderObjectFunction; + + // + + const sceneRef = ( scene.isScene === true ) ? scene : _scene; + + const outputRenderTarget = this._renderTarget; + + const activeCubeFace = this._activeCubeFace; + const activeMipmapLevel = this._activeMipmapLevel; + + // + + let renderTarget; + + if ( frameBufferTarget !== null ) { + + renderTarget = frameBufferTarget; + + this.setRenderTarget( renderTarget ); + + } else { + + renderTarget = outputRenderTarget; + + } + + // + + const renderContext = this._renderContexts.get( scene, camera, renderTarget ); + + this._currentRenderContext = renderContext; + this._currentRenderObjectFunction = this._renderObjectFunction || this.renderObject; + + // + + this.info.calls ++; + this.info.render.calls ++; + this.info.render.frameCalls ++; + + nodeFrame.renderId = this.info.calls; + + // + + const coordinateSystem = this.coordinateSystem; + + if ( camera.coordinateSystem !== coordinateSystem ) { + + camera.coordinateSystem = coordinateSystem; + + camera.updateProjectionMatrix(); + + } + + // + + if ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld(); + + if ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld(); + + // + + let viewport = this._viewport; + let scissor = this._scissor; + let pixelRatio = this._pixelRatio; + + if ( renderTarget !== null ) { + + viewport = renderTarget.viewport; + scissor = renderTarget.scissor; + pixelRatio = 1; + + } + + this.getDrawingBufferSize( _drawingBufferSize ); + + _screen.set( 0, 0, _drawingBufferSize.width, _drawingBufferSize.height ); + + const minDepth = ( viewport.minDepth === undefined ) ? 0 : viewport.minDepth; + const maxDepth = ( viewport.maxDepth === undefined ) ? 1 : viewport.maxDepth; + + renderContext.viewportValue.copy( viewport ).multiplyScalar( pixelRatio ).floor(); + renderContext.viewportValue.width >>= activeMipmapLevel; + renderContext.viewportValue.height >>= activeMipmapLevel; + renderContext.viewportValue.minDepth = minDepth; + renderContext.viewportValue.maxDepth = maxDepth; + renderContext.viewport = renderContext.viewportValue.equals( _screen ) === false; + + renderContext.scissorValue.copy( scissor ).multiplyScalar( pixelRatio ).floor(); + renderContext.scissor = this._scissorTest && renderContext.scissorValue.equals( _screen ) === false; + renderContext.scissorValue.width >>= activeMipmapLevel; + renderContext.scissorValue.height >>= activeMipmapLevel; + + if ( ! renderContext.clippingContext ) renderContext.clippingContext = new ClippingContext(); + renderContext.clippingContext.updateGlobal( this, camera ); + + // + + sceneRef.onBeforeRender( this, scene, camera, renderTarget ); + + // + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromProjectionMatrix( _projScreenMatrix, coordinateSystem ); + + const renderList = this._renderLists.get( scene, camera ); + renderList.begin(); + + this._projectObject( scene, camera, 0, renderList ); + + renderList.finish(); + + if ( this.sortObjects === true ) { + + renderList.sort( this._opaqueSort, this._transparentSort ); + + } + + // + + if ( renderTarget !== null ) { + + this._textures.updateRenderTarget( renderTarget, activeMipmapLevel ); + + const renderTargetData = this._textures.get( renderTarget ); + + renderContext.textures = renderTargetData.textures; + renderContext.depthTexture = renderTargetData.depthTexture; + renderContext.width = renderTargetData.width; + renderContext.height = renderTargetData.height; + renderContext.renderTarget = renderTarget; + renderContext.depth = renderTarget.depthBuffer; + renderContext.stencil = renderTarget.stencilBuffer; + + } else { + + renderContext.textures = null; + renderContext.depthTexture = null; + renderContext.width = this.domElement.width; + renderContext.height = this.domElement.height; + renderContext.depth = this.depth; + renderContext.stencil = this.stencil; + + } + + renderContext.width >>= activeMipmapLevel; + renderContext.height >>= activeMipmapLevel; + renderContext.activeCubeFace = activeCubeFace; + renderContext.activeMipmapLevel = activeMipmapLevel; + renderContext.occlusionQueryCount = renderList.occlusionQueryCount; + + // + + this._nodes.updateScene( sceneRef ); + + // + + this._background.update( sceneRef, renderList, renderContext ); + + // + + this.backend.beginRender( renderContext ); + + // process render lists + + const opaqueObjects = renderList.opaque; + const transparentObjects = renderList.transparent; + const bundles = renderList.bundles; + const lightsNode = renderList.lightsNode; + + if ( bundles.length > 0 ) this._renderBundles( bundles, sceneRef, lightsNode ); + if ( opaqueObjects.length > 0 ) this._renderObjects( opaqueObjects, camera, sceneRef, lightsNode ); + if ( transparentObjects.length > 0 ) this._renderObjects( transparentObjects, camera, sceneRef, lightsNode ); + + // finish render pass + + this.backend.finishRender( renderContext ); + + // restore render tree + + nodeFrame.renderId = previousRenderId; + + this._currentRenderContext = previousRenderContext; + this._currentRenderObjectFunction = previousRenderObjectFunction; + + // + + if ( frameBufferTarget !== null ) { + + this.setRenderTarget( outputRenderTarget, activeCubeFace, activeMipmapLevel ); + + _quad.material.fragmentNode = this._nodes.getOutputNode( renderTarget.texture ); + + this._renderScene( _quad, _quad.camera, false ); + + } + + // + + sceneRef.onAfterRender( this, scene, camera, renderTarget ); + + // + + return renderContext; + + } + + getMaxAnisotropy() { + + return this.backend.getMaxAnisotropy(); + + } + + getActiveCubeFace() { + + return this._activeCubeFace; + + } + + getActiveMipmapLevel() { + + return this._activeMipmapLevel; + + } + + async setAnimationLoop( callback ) { + + if ( this._initialized === false ) await this.init(); + + this._animation.setAnimationLoop( callback ); + + } + + async getArrayBufferAsync( attribute ) { + + return await this.backend.getArrayBufferAsync( attribute ); + + } + + getContext() { + + return this.backend.getContext(); + + } + + getPixelRatio() { + + return this._pixelRatio; + + } + + getDrawingBufferSize( target ) { + + return target.set( this._width * this._pixelRatio, this._height * this._pixelRatio ).floor(); + + } + + getSize( target ) { + + return target.set( this._width, this._height ); + + } + + setPixelRatio( value = 1 ) { + + this._pixelRatio = value; + + this.setSize( this._width, this._height, false ); + + } + + setDrawingBufferSize( width, height, pixelRatio ) { + + this._width = width; + this._height = height; + + this._pixelRatio = pixelRatio; + + this.domElement.width = Math.floor( width * pixelRatio ); + this.domElement.height = Math.floor( height * pixelRatio ); + + this.setViewport( 0, 0, width, height ); + + if ( this._initialized ) this.backend.updateSize(); + + } + + setSize( width, height, updateStyle = true ) { + + this._width = width; + this._height = height; + + this.domElement.width = Math.floor( width * this._pixelRatio ); + this.domElement.height = Math.floor( height * this._pixelRatio ); + + if ( updateStyle === true ) { + + this.domElement.style.width = width + 'px'; + this.domElement.style.height = height + 'px'; + + } + + this.setViewport( 0, 0, width, height ); + + if ( this._initialized ) this.backend.updateSize(); + + } + + setOpaqueSort( method ) { + + this._opaqueSort = method; + + } + + setTransparentSort( method ) { + + this._transparentSort = method; + + } + + getScissor( target ) { + + const scissor = this._scissor; + + target.x = scissor.x; + target.y = scissor.y; + target.width = scissor.width; + target.height = scissor.height; + + return target; + + } + + setScissor( x, y, width, height ) { + + const scissor = this._scissor; + + if ( x.isVector4 ) { + + scissor.copy( x ); + + } else { + + scissor.set( x, y, width, height ); + + } + + } + + getScissorTest() { + + return this._scissorTest; + + } + + setScissorTest( boolean ) { + + this._scissorTest = boolean; + + this.backend.setScissorTest( boolean ); + + } + + getViewport( target ) { + + return target.copy( this._viewport ); + + } + + setViewport( x, y, width, height, minDepth = 0, maxDepth = 1 ) { + + const viewport = this._viewport; + + if ( x.isVector4 ) { + + viewport.copy( x ); + + } else { + + viewport.set( x, y, width, height ); + + } + + viewport.minDepth = minDepth; + viewport.maxDepth = maxDepth; + + } + + getClearColor( target ) { + + return target.copy( this._clearColor ); + + } + + setClearColor( color, alpha = 1 ) { + + this._clearColor.set( color ); + this._clearColor.a = alpha; + + } + + getClearAlpha() { + + return this._clearColor.a; + + } + + setClearAlpha( alpha ) { + + this._clearColor.a = alpha; + + } + + getClearDepth() { + + return this._clearDepth; + + } + + setClearDepth( depth ) { + + this._clearDepth = depth; + + } + + getClearStencil() { + + return this._clearStencil; + + } + + setClearStencil( stencil ) { + + this._clearStencil = stencil; + + } + + isOccluded( object ) { + + const renderContext = this._currentRenderContext; + + return renderContext && this.backend.isOccluded( renderContext, object ); + + } + + clear( color = true, depth = true, stencil = true ) { + + if ( this._initialized === false ) { + + console.warn( 'THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead.' ); + + return this.clearAsync( color, depth, stencil ); + + } + + const renderTarget = this._renderTarget || this._getFrameBufferTarget(); + + let renderTargetData = null; + + if ( renderTarget !== null ) { + + this._textures.updateRenderTarget( renderTarget ); + + renderTargetData = this._textures.get( renderTarget ); + + } + + this.backend.clear( color, depth, stencil, renderTargetData ); + + if ( renderTarget !== null && this._renderTarget === null ) { + + // If a color space transform or tone mapping is required, + // the clear operation clears the intermediate renderTarget texture, but does not update the screen canvas. + + _quad.material.fragmentNode = this._nodes.getOutputNode( renderTarget.texture ); + this._renderScene( _quad, _quad.camera, false ); + + } + + } + + clearColor() { + + return this.clear( true, false, false ); + + } + + clearDepth() { + + return this.clear( false, true, false ); + + } + + clearStencil() { + + return this.clear( false, false, true ); + + } + + async clearAsync( color = true, depth = true, stencil = true ) { + + if ( this._initialized === false ) await this.init(); + + this.clear( color, depth, stencil ); + + } + + clearColorAsync() { + + return this.clearAsync( true, false, false ); + + } + + clearDepthAsync() { + + return this.clearAsync( false, true, false ); + + } + + clearStencilAsync() { + + return this.clearAsync( false, false, true ); + + } + + get currentColorSpace() { + + const renderTarget = this._renderTarget; + + if ( renderTarget !== null ) { + + const texture = renderTarget.texture; + + return ( Array.isArray( texture ) ? texture[ 0 ] : texture ).colorSpace; + + } + + return this.outputColorSpace; + + } + + dispose() { + + this.info.dispose(); + + this._animation.dispose(); + this._objects.dispose(); + this._pipelines.dispose(); + this._nodes.dispose(); + this._bindings.dispose(); + this._renderLists.dispose(); + this._renderContexts.dispose(); + this._textures.dispose(); + + this.setRenderTarget( null ); + this.setAnimationLoop( null ); + + } + + setRenderTarget( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) { + + this._renderTarget = renderTarget; + this._activeCubeFace = activeCubeFace; + this._activeMipmapLevel = activeMipmapLevel; + + } + + getRenderTarget() { + + return this._renderTarget; + + } + + setRenderObjectFunction( renderObjectFunction ) { + + this._renderObjectFunction = renderObjectFunction; + + } + + getRenderObjectFunction() { + + return this._renderObjectFunction; + + } + + async computeAsync( computeNodes ) { + + if ( this._initialized === false ) await this.init(); + + const nodeFrame = this._nodes.nodeFrame; + + const previousRenderId = nodeFrame.renderId; + + // + + this.info.calls ++; + this.info.compute.calls ++; + this.info.compute.frameCalls ++; + + nodeFrame.renderId = this.info.calls; + + // + + const backend = this.backend; + const pipelines = this._pipelines; + const bindings = this._bindings; + const nodes = this._nodes; + + const computeList = Array.isArray( computeNodes ) ? computeNodes : [ computeNodes ]; + + if ( computeList[ 0 ] === undefined || computeList[ 0 ].isComputeNode !== true ) { + + throw new Error( 'THREE.Renderer: .compute() expects a ComputeNode.' ); + + } + + backend.beginCompute( computeNodes ); + + for ( const computeNode of computeList ) { + + // onInit + + if ( pipelines.has( computeNode ) === false ) { + + const dispose = () => { + + computeNode.removeEventListener( 'dispose', dispose ); + + pipelines.delete( computeNode ); + bindings.delete( computeNode ); + nodes.delete( computeNode ); + + }; + + computeNode.addEventListener( 'dispose', dispose ); + + // + + computeNode.onInit( { renderer: this } ); + + } + + nodes.updateForCompute( computeNode ); + bindings.updateForCompute( computeNode ); + + const computeBindings = bindings.getForCompute( computeNode ); + const computePipeline = pipelines.getForCompute( computeNode, computeBindings ); + + backend.compute( computeNodes, computeNode, computeBindings, computePipeline ); + + } + + backend.finishCompute( computeNodes ); + + await this.backend.resolveTimestampAsync( computeNodes, 'compute' ); + + // + + nodeFrame.renderId = previousRenderId; + + } + + async hasFeatureAsync( name ) { + + if ( this._initialized === false ) await this.init(); + + return this.backend.hasFeature( name ); + + } + + hasFeature( name ) { + + if ( this._initialized === false ) { + + console.warn( 'THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead.' ); + + return false; + + } + + return this.backend.hasFeature( name ); + + } + + copyFramebufferToTexture( framebufferTexture ) { + + const renderContext = this._currentRenderContext; + + this._textures.updateTexture( framebufferTexture ); + + this.backend.copyFramebufferToTexture( framebufferTexture, renderContext ); + + } + + copyTextureToTexture( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) { + + this._textures.updateTexture( srcTexture ); + this._textures.updateTexture( dstTexture ); + + this.backend.copyTextureToTexture( srcTexture, dstTexture, srcRegion, dstPosition, level ); + + } + + + readRenderTargetPixelsAsync( renderTarget, x, y, width, height, index = 0 ) { + + return this.backend.copyTextureToBuffer( renderTarget.textures[ index ], x, y, width, height ); + + } + + _projectObject( object, camera, groupOrder, renderList ) { + + if ( object.visible === false ) return; + + const visible = object.layers.test( camera.layers ); + + if ( visible ) { + + if ( object.isGroup ) { + + groupOrder = object.renderOrder; + + } else if ( object.isLOD ) { + + if ( object.autoUpdate === true ) object.update( camera ); + + } else if ( object.isLight ) { + + renderList.pushLight( object ); + + } else if ( object.isSprite ) { + + if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) { + + if ( this.sortObjects === true ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ).applyMatrix4( _projScreenMatrix ); + + } + + const geometry = object.geometry; + const material = object.material; + + if ( material.visible ) { + + renderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } else if ( object.isLineLoop ) { + + console.error( 'THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.' ); + + } else if ( object.isMesh || object.isLine || object.isPoints ) { + + if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) { + + const geometry = object.geometry; + const material = object.material; + + if ( this.sortObjects === true ) { + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _vector3 + .copy( geometry.boundingSphere.center ) + .applyMatrix4( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + if ( Array.isArray( material ) ) { + + const groups = geometry.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + if ( groupMaterial && groupMaterial.visible ) { + + renderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group ); + + } + + } + + } else if ( material.visible ) { + + renderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } + + } + + if ( object.static === true ) { + + const baseRenderList = renderList; + + // replace render list + renderList = this._renderLists.get( object, camera ); + + renderList.begin(); + + baseRenderList.pushBundle( { + object, + camera, + renderList, + } ); + + renderList.finish(); + + } + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + this._projectObject( children[ i ], camera, groupOrder, renderList ); + + } + + } + + _renderBundles( bundles, sceneRef, lightsNode ) { + + for ( const bundle of bundles ) { + + this._renderBundle( bundle, sceneRef, lightsNode ); + + } + + } + + _renderObjects( renderList, camera, scene, lightsNode ) { + + // process renderable objects + + for ( let i = 0, il = renderList.length; i < il; i ++ ) { + + const renderItem = renderList[ i ]; + + // @TODO: Add support for multiple materials per object. This will require to extract + // the material from the renderItem object and pass it with its group data to renderObject(). + + const { object, geometry, material, group } = renderItem; + + if ( camera.isArrayCamera ) { + + const cameras = camera.cameras; + + for ( let j = 0, jl = cameras.length; j < jl; j ++ ) { + + const camera2 = cameras[ j ]; + + if ( object.layers.test( camera2.layers ) ) { + + const vp = camera2.viewport; + const minDepth = ( vp.minDepth === undefined ) ? 0 : vp.minDepth; + const maxDepth = ( vp.maxDepth === undefined ) ? 1 : vp.maxDepth; + + const viewportValue = this._currentRenderContext.viewportValue; + viewportValue.copy( vp ).multiplyScalar( this._pixelRatio ).floor(); + viewportValue.minDepth = minDepth; + viewportValue.maxDepth = maxDepth; + + this.backend.updateViewport( this._currentRenderContext ); + + this._currentRenderObjectFunction( object, scene, camera2, geometry, material, group, lightsNode ); + + } + + } + + } else { + + this._currentRenderObjectFunction( object, scene, camera, geometry, material, group, lightsNode ); + + } + + } + + } + + renderObject( object, scene, camera, geometry, material, group, lightsNode ) { + + let overridePositionNode; + let overrideFragmentNode; + let overrideDepthNode; + + // + + object.onBeforeRender( this, scene, camera, geometry, material, group ); + + // + + if ( scene.overrideMaterial !== null ) { + + const overrideMaterial = scene.overrideMaterial; + + if ( material.positionNode && material.positionNode.isNode ) { + + overridePositionNode = overrideMaterial.positionNode; + overrideMaterial.positionNode = material.positionNode; + + } + + if ( overrideMaterial.isShadowNodeMaterial ) { + + overrideMaterial.side = material.shadowSide === null ? material.side : material.shadowSide; + + if ( material.depthNode && material.depthNode.isNode ) { + + overrideDepthNode = overrideMaterial.depthNode; + overrideMaterial.depthNode = material.depthNode; + + } + + + if ( material.shadowNode && material.shadowNode.isNode ) { + + overrideFragmentNode = overrideMaterial.fragmentNode; + overrideMaterial.fragmentNode = material.shadowNode; + + } + + if ( this.localClippingEnabled ) { + + if ( material.clipShadows ) { + + if ( overrideMaterial.clippingPlanes !== material.clippingPlanes ) { + + overrideMaterial.clippingPlanes = material.clippingPlanes; + overrideMaterial.needsUpdate = true; + + } + + if ( overrideMaterial.clipIntersection !== material.clipIntersection ) { + + overrideMaterial.clipIntersection = material.clipIntersection; + + } + + } else if ( Array.isArray( overrideMaterial.clippingPlanes ) ) { + + overrideMaterial.clippingPlanes = null; + overrideMaterial.needsUpdate = true; + + } + + } + + } + + material = overrideMaterial; + + } + + // + + if ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) { + + material.side = BackSide; + this._handleObjectFunction( object, material, scene, camera, lightsNode, group, 'backSide' ); // create backSide pass id + + material.side = FrontSide; + this._handleObjectFunction( object, material, scene, camera, lightsNode, group ); // use default pass id + + material.side = DoubleSide; + + } else { + + this._handleObjectFunction( object, material, scene, camera, lightsNode, group ); + + } + + // + + if ( overridePositionNode !== undefined ) { + + scene.overrideMaterial.positionNode = overridePositionNode; + + } + + if ( overrideDepthNode !== undefined ) { + + scene.overrideMaterial.depthNode = overrideDepthNode; + + } + + if ( overrideFragmentNode !== undefined ) { + + scene.overrideMaterial.fragmentNode = overrideFragmentNode; + + } + + // + + object.onAfterRender( this, scene, camera, geometry, material, group ); + + } + + _renderObjectDirect( object, material, scene, camera, lightsNode, group, passId ) { + + const renderObject = this._objects.get( object, material, scene, camera, lightsNode, this._currentRenderContext, passId ); + renderObject.drawRange = group || object.geometry.drawRange; + + // + + this._nodes.updateBefore( renderObject ); + + // + + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + + // + + this._nodes.updateForRender( renderObject ); + this._geometries.updateForRender( renderObject ); + this._bindings.updateForRender( renderObject ); + this._pipelines.updateForRender( renderObject ); + + // + + if ( this._currentRenderBundle !== null && this._currentRenderBundle.needsUpdate === true ) { + + const renderObjectData = this.backend.get( renderObject ); + + renderObjectData.bundleEncoder = undefined; + renderObjectData.lastPipelineGPU = undefined; + + } + + this.backend.draw( renderObject, this.info ); + + if ( this._currentRenderBundle !== null ) { + + const renderContextData = this.backend.get( this._currentRenderContext ); + + renderContextData.renderObjects.push( renderObject ); + + } + + this._nodes.updateAfter( renderObject ); + + } + + _createObjectPipeline( object, material, scene, camera, lightsNode, passId ) { + + const renderObject = this._objects.get( object, material, scene, camera, lightsNode, this._currentRenderContext, passId ); + + // + + this._nodes.updateBefore( renderObject ); + + // + + this._nodes.updateForRender( renderObject ); + this._geometries.updateForRender( renderObject ); + this._bindings.updateForRender( renderObject ); + + this._pipelines.getForRender( renderObject, this._compilationPromises ); + + this._nodes.updateAfter( renderObject ); + + } + + get compute() { + + return this.computeAsync; + + } + + get compile() { + + return this.compileAsync; + + } + +} + +class Binding { + + constructor( name = '' ) { + + this.name = name; + + this.visibility = 0; + + } + + setVisibility( visibility ) { + + this.visibility |= visibility; + + } + + clone() { + + return Object.assign( new this.constructor(), this ); + + } + +} + +function getFloatLength( floatLength ) { + + // ensure chunk size alignment (STD140 layout) + + return floatLength + ( ( GPU_CHUNK_BYTES - ( floatLength % GPU_CHUNK_BYTES ) ) % GPU_CHUNK_BYTES ); + +} + +class Buffer extends Binding { + + constructor( name, buffer = null ) { + + super( name ); + + this.isBuffer = true; + + this.bytesPerElement = Float32Array.BYTES_PER_ELEMENT; + + this._buffer = buffer; + + } + + get byteLength() { + + return getFloatLength( this._buffer.byteLength ); + + } + + get buffer() { + + return this._buffer; + + } + + update() { + + return true; + + } + +} + +class UniformBuffer extends Buffer { + + constructor( name, buffer = null ) { + + super( name, buffer ); + + this.isUniformBuffer = true; + + } + +} + +let _id$2 = 0; + +class NodeUniformBuffer extends UniformBuffer { + + constructor( nodeUniform, groupNode ) { + + super( 'UniformBuffer_' + _id$2 ++, nodeUniform ? nodeUniform.value : null ); + + this.nodeUniform = nodeUniform; + this.groupNode = groupNode; + + } + + get buffer() { + + return this.nodeUniform.value; + + } + +} + +class UniformsGroup extends UniformBuffer { + + constructor( name ) { + + super( name ); + + this.isUniformsGroup = true; + + this._values = null; + + // the order of uniforms in this array must match the order of uniforms in the shader + + this.uniforms = []; + + } + + addUniform( uniform ) { + + this.uniforms.push( uniform ); + + return this; + + } + + removeUniform( uniform ) { + + const index = this.uniforms.indexOf( uniform ); + + if ( index !== - 1 ) { + + this.uniforms.splice( index, 1 ); + + } + + return this; + + } + + get values() { + + if ( this._values === null ) { + + this._values = Array.from( this.buffer ); + + } + + return this._values; + + } + + get buffer() { + + let buffer = this._buffer; + + if ( buffer === null ) { + + const byteLength = this.byteLength; + + buffer = new Float32Array( new ArrayBuffer( byteLength ) ); + + this._buffer = buffer; + + } + + return buffer; + + } + + get byteLength() { + + let offset = 0; // global buffer offset in bytes + + for ( let i = 0, l = this.uniforms.length; i < l; i ++ ) { + + const uniform = this.uniforms[ i ]; + + const { boundary, itemSize } = uniform; + + // offset within a single chunk in bytes + + const chunkOffset = offset % GPU_CHUNK_BYTES; + const remainingSizeInChunk = GPU_CHUNK_BYTES - chunkOffset; + + // conformance tests + + if ( chunkOffset !== 0 && ( remainingSizeInChunk - boundary ) < 0 ) { + + // check for chunk overflow + + offset += ( GPU_CHUNK_BYTES - chunkOffset ); + + } else if ( chunkOffset % boundary !== 0 ) { + + // check for correct alignment + + offset += ( chunkOffset % boundary ); + + } + + uniform.offset = ( offset / this.bytesPerElement ); + + offset += ( itemSize * this.bytesPerElement ); + + } + + return Math.ceil( offset / GPU_CHUNK_BYTES ) * GPU_CHUNK_BYTES; + + } + + update() { + + let updated = false; + + for ( const uniform of this.uniforms ) { + + if ( this.updateByType( uniform ) === true ) { + + updated = true; + + } + + } + + return updated; + + } + + updateByType( uniform ) { + + if ( uniform.isNumberUniform ) return this.updateNumber( uniform ); + if ( uniform.isVector2Uniform ) return this.updateVector2( uniform ); + if ( uniform.isVector3Uniform ) return this.updateVector3( uniform ); + if ( uniform.isVector4Uniform ) return this.updateVector4( uniform ); + if ( uniform.isColorUniform ) return this.updateColor( uniform ); + if ( uniform.isMatrix3Uniform ) return this.updateMatrix3( uniform ); + if ( uniform.isMatrix4Uniform ) return this.updateMatrix4( uniform ); + + console.error( 'THREE.WebGPUUniformsGroup: Unsupported uniform type.', uniform ); + + } + + updateNumber( uniform ) { + + let updated = false; + + const a = this.values; + const v = uniform.getValue(); + const offset = uniform.offset; + + if ( a[ offset ] !== v ) { + + const b = this.buffer; + + b[ offset ] = a[ offset ] = v; + updated = true; + + } + + return updated; + + } + + updateVector2( uniform ) { + + let updated = false; + + const a = this.values; + const v = uniform.getValue(); + const offset = uniform.offset; + + if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y ) { + + const b = this.buffer; + + b[ offset + 0 ] = a[ offset + 0 ] = v.x; + b[ offset + 1 ] = a[ offset + 1 ] = v.y; + + updated = true; + + } + + return updated; + + } + + updateVector3( uniform ) { + + let updated = false; + + const a = this.values; + const v = uniform.getValue(); + const offset = uniform.offset; + + if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y || a[ offset + 2 ] !== v.z ) { + + const b = this.buffer; + + b[ offset + 0 ] = a[ offset + 0 ] = v.x; + b[ offset + 1 ] = a[ offset + 1 ] = v.y; + b[ offset + 2 ] = a[ offset + 2 ] = v.z; + + updated = true; + + } + + return updated; + + } + + updateVector4( uniform ) { + + let updated = false; + + const a = this.values; + const v = uniform.getValue(); + const offset = uniform.offset; + + if ( a[ offset + 0 ] !== v.x || a[ offset + 1 ] !== v.y || a[ offset + 2 ] !== v.z || a[ offset + 4 ] !== v.w ) { + + const b = this.buffer; + + b[ offset + 0 ] = a[ offset + 0 ] = v.x; + b[ offset + 1 ] = a[ offset + 1 ] = v.y; + b[ offset + 2 ] = a[ offset + 2 ] = v.z; + b[ offset + 3 ] = a[ offset + 3 ] = v.w; + + updated = true; + + } + + return updated; + + } + + updateColor( uniform ) { + + let updated = false; + + const a = this.values; + const c = uniform.getValue(); + const offset = uniform.offset; + + if ( a[ offset + 0 ] !== c.r || a[ offset + 1 ] !== c.g || a[ offset + 2 ] !== c.b ) { + + const b = this.buffer; + + b[ offset + 0 ] = a[ offset + 0 ] = c.r; + b[ offset + 1 ] = a[ offset + 1 ] = c.g; + b[ offset + 2 ] = a[ offset + 2 ] = c.b; + + updated = true; + + } + + return updated; + + } + + updateMatrix3( uniform ) { + + let updated = false; + + const a = this.values; + const e = uniform.getValue().elements; + const offset = uniform.offset; + + if ( a[ offset + 0 ] !== e[ 0 ] || a[ offset + 1 ] !== e[ 1 ] || a[ offset + 2 ] !== e[ 2 ] || + a[ offset + 4 ] !== e[ 3 ] || a[ offset + 5 ] !== e[ 4 ] || a[ offset + 6 ] !== e[ 5 ] || + a[ offset + 8 ] !== e[ 6 ] || a[ offset + 9 ] !== e[ 7 ] || a[ offset + 10 ] !== e[ 8 ] ) { + + const b = this.buffer; + + b[ offset + 0 ] = a[ offset + 0 ] = e[ 0 ]; + b[ offset + 1 ] = a[ offset + 1 ] = e[ 1 ]; + b[ offset + 2 ] = a[ offset + 2 ] = e[ 2 ]; + b[ offset + 4 ] = a[ offset + 4 ] = e[ 3 ]; + b[ offset + 5 ] = a[ offset + 5 ] = e[ 4 ]; + b[ offset + 6 ] = a[ offset + 6 ] = e[ 5 ]; + b[ offset + 8 ] = a[ offset + 8 ] = e[ 6 ]; + b[ offset + 9 ] = a[ offset + 9 ] = e[ 7 ]; + b[ offset + 10 ] = a[ offset + 10 ] = e[ 8 ]; + + updated = true; + + } + + return updated; + + } + + updateMatrix4( uniform ) { + + let updated = false; + + const a = this.values; + const e = uniform.getValue().elements; + const offset = uniform.offset; + + if ( arraysEqual( a, e, offset ) === false ) { + + const b = this.buffer; + b.set( e, offset ); + setArray( a, e, offset ); + updated = true; + + } + + return updated; + + } + +} + +function setArray( a, b, offset ) { + + for ( let i = 0, l = b.length; i < l; i ++ ) { + + a[ offset + i ] = b[ i ]; + + } + +} + +function arraysEqual( a, b, offset ) { + + for ( let i = 0, l = b.length; i < l; i ++ ) { + + if ( a[ offset + i ] !== b[ i ] ) return false; + + } + + return true; + +} + +let id$1 = 0; + +class NodeUniformsGroup extends UniformsGroup { + + constructor( name, groupNode ) { + + super( name ); + + this.id = id$1 ++; + this.groupNode = groupNode; + + this.isNodeUniformsGroup = true; + + } + + getNodes() { + + const nodes = []; + + for ( const uniform of this.uniforms ) { + + const node = uniform.nodeUniform.node; + + if ( ! node ) throw new Error( 'NodeUniformsGroup: Uniform has no node.' ); + + nodes.push( node ); + + } + + return nodes; + + } + +} + +let id = 0; + +class SampledTexture extends Binding { + + constructor( name, texture ) { + + super( name ); + + this.id = id ++; + + this.texture = texture; + this.version = texture ? texture.version : 0; + this.store = false; + + this.isSampledTexture = true; + + } + + get needsBindingsUpdate() { + + const { texture, version } = this; + + return texture.isVideoTexture ? true : version !== texture.version; // @TODO: version === 0 && texture.version > 0 ( add it just to External Textures like PNG,JPG ) + + } + + update() { + + const { texture, version } = this; + + if ( version !== texture.version ) { + + this.version = texture.version; + + return true; + + } + + return false; + + } + +} + +class NodeSampledTexture extends SampledTexture { + + constructor( name, textureNode, groupNode, access = null ) { + + super( name, textureNode ? textureNode.value : null ); + + this.textureNode = textureNode; + this.groupNode = groupNode; + + this.access = access; + + } + + get needsBindingsUpdate() { + + return this.textureNode.value !== this.texture || super.needsBindingsUpdate; + + } + + update() { + + const { textureNode } = this; + + if ( this.texture !== textureNode.value ) { + + this.texture = textureNode.value; + + return true; + + } + + return super.update(); + + } + +} + +class NodeSampledCubeTexture extends NodeSampledTexture { + + constructor( name, textureNode, groupNode, access ) { + + super( name, textureNode, groupNode, access ); + + this.isSampledCubeTexture = true; + + } + +} + +class NodeSampledTexture3D extends NodeSampledTexture { + + constructor( name, textureNode, groupNode, access ) { + + super( name, textureNode, groupNode, access ); + + this.isSampledTexture3D = true; + + } + +} + +const glslMethods = { + [ MathNode.ATAN2 ]: 'atan', + textureDimensions: 'textureSize', + equals: 'equal' +}; + +const precisionLib = { + low: 'lowp', + medium: 'mediump', + high: 'highp' +}; + +const supports$1 = { + swizzleAssign: true, + storageBuffer: false +}; + +const defaultPrecisions = ` +precision highp float; +precision highp int; +precision highp sampler2D; +precision highp sampler3D; +precision highp samplerCube; +precision highp sampler2DArray; + +precision highp usampler2D; +precision highp usampler3D; +precision highp usamplerCube; +precision highp usampler2DArray; + +precision highp isampler2D; +precision highp isampler3D; +precision highp isamplerCube; +precision highp isampler2DArray; + +precision lowp sampler2DShadow; +`; + +class GLSLNodeBuilder extends NodeBuilder { + + constructor( object, renderer ) { + + super( object, renderer, new GLSLNodeParser() ); + + this.uniformGroups = {}; + this.transforms = []; + + this.instanceBindGroups = false; + + } + + getMethod( method ) { + + return glslMethods[ method ] || method; + + } + + getOutputStructName() { + + return ''; + + } + + buildFunctionCode( shaderNode ) { + + const layout = shaderNode.layout; + const flowData = this.flowShaderNode( shaderNode ); + + const parameters = []; + + for ( const input of layout.inputs ) { + + parameters.push( this.getType( input.type ) + ' ' + input.name ); + + } + + // + + const code = `${ this.getType( layout.type ) } ${ layout.name }( ${ parameters.join( ', ' ) } ) { + + ${ flowData.vars } + +${ flowData.code } + return ${ flowData.result }; + +}`; + + // + + return code; + + } + + setupPBO( storageBufferNode ) { + + const attribute = storageBufferNode.value; + + if ( attribute.pbo === undefined ) { + + const originalArray = attribute.array; + const numElements = attribute.count * attribute.itemSize; + + const { itemSize } = attribute; + + const isInteger = attribute.array.constructor.name.toLowerCase().includes( 'int' ); + + let format = isInteger ? RedIntegerFormat : RedFormat; + + + if ( itemSize === 2 ) { + + format = isInteger ? RGIntegerFormat : RGFormat; + + } else if ( itemSize === 3 ) { + + format = isInteger ? RGBIntegerFormat : RGBFormat; + + } else if ( itemSize === 4 ) { + + format = isInteger ? RGBAIntegerFormat : RGBAFormat; + + } + + const typeMap = { + Float32Array: FloatType, + Uint8Array: UnsignedByteType, + Uint16Array: UnsignedShortType, + Uint32Array: UnsignedIntType, + Int8Array: ByteType, + Int16Array: ShortType, + Int32Array: IntType, + Uint8ClampedArray: UnsignedByteType, + }; + + const width = Math.pow( 2, Math.ceil( Math.log2( Math.sqrt( numElements / itemSize ) ) ) ); + let height = Math.ceil( ( numElements / itemSize ) / width ); + if ( width * height * itemSize < numElements ) height ++; // Ensure enough space + + const newSize = width * height * itemSize; + + const newArray = new originalArray.constructor( newSize ); + + newArray.set( originalArray, 0 ); + + attribute.array = newArray; + + const pboTexture = new DataTexture( attribute.array, width, height, format, typeMap[ attribute.array.constructor.name ] || FloatType ); + pboTexture.needsUpdate = true; + pboTexture.isPBOTexture = true; + + const pbo = new TextureNode( pboTexture, null, null ); + pbo.setPrecision( 'high' ); + + attribute.pboNode = pbo; + attribute.pbo = pbo.value; + + this.getUniformFromNode( attribute.pboNode, 'texture', this.shaderStage, this.context.label ); + + } + + } + + getPropertyName( node, shaderStage = this.shaderStage ) { + + if ( node.isNodeUniform && node.node.isTextureNode !== true && node.node.isBufferNode !== true ) { + + return shaderStage.charAt( 0 ) + '_' + node.name; + + } + + return super.getPropertyName( node, shaderStage ); + + } + + generatePBO( storageArrayElementNode ) { + + const { node, indexNode } = storageArrayElementNode; + const attribute = node.value; + + if ( this.renderer.backend.has( attribute ) ) { + + const attributeData = this.renderer.backend.get( attribute ); + attributeData.pbo = attribute.pbo; + + } + + + const nodeUniform = this.getUniformFromNode( attribute.pboNode, 'texture', this.shaderStage, this.context.label ); + const textureName = this.getPropertyName( nodeUniform ); + + indexNode.increaseUsage( this ); // force cache generate to be used as index in x,y + const indexSnippet = indexNode.build( this, 'uint' ); + + const elementNodeData = this.getDataFromNode( storageArrayElementNode ); + + let propertyName = elementNodeData.propertyName; + + if ( propertyName === undefined ) { + + // property element + + const nodeVar = this.getVarFromNode( storageArrayElementNode ); + + propertyName = this.getPropertyName( nodeVar ); + + // property size + + const bufferNodeData = this.getDataFromNode( node ); + + let propertySizeName = bufferNodeData.propertySizeName; + + if ( propertySizeName === undefined ) { + + propertySizeName = propertyName + 'Size'; + + this.getVarFromNode( node, propertySizeName, 'uint' ); + + this.addLineFlowCode( `${ propertySizeName } = uint( textureSize( ${ textureName }, 0 ).x )` ); + + bufferNodeData.propertySizeName = propertySizeName; + + } + + // + + const { itemSize } = attribute; + + const channel = '.' + vectorComponents.join( '' ).slice( 0, itemSize ); + const uvSnippet = `ivec2(${indexSnippet} % ${ propertySizeName }, ${indexSnippet} / ${ propertySizeName })`; + + const snippet = this.generateTextureLoad( null, textureName, uvSnippet, null, '0' ); + + // + + + let prefix = 'vec4'; + + if ( attribute.pbo.type === UnsignedIntType ) { + + prefix = 'uvec4'; + + } else if ( attribute.pbo.type === IntType ) { + + prefix = 'ivec4'; + + } + + this.addLineFlowCode( `${ propertyName } = ${prefix}(${ snippet })${channel}` ); + + elementNodeData.propertyName = propertyName; + + } + + return propertyName; + + } + + generateTextureLoad( texture, textureProperty, uvIndexSnippet, depthSnippet, levelSnippet = '0' ) { + + if ( depthSnippet ) { + + return `texelFetch( ${ textureProperty }, ivec3( ${ uvIndexSnippet }, ${ depthSnippet } ), ${ levelSnippet } )`; + + } else { + + return `texelFetch( ${ textureProperty }, ${ uvIndexSnippet }, ${ levelSnippet } )`; + + } + + } + + generateTexture( texture, textureProperty, uvSnippet, depthSnippet ) { + + if ( texture.isDepthTexture ) { + + return `texture( ${ textureProperty }, ${ uvSnippet } ).x`; + + } else { + + if ( depthSnippet ) uvSnippet = `vec3( ${ uvSnippet }, ${ depthSnippet } )`; + + return `texture( ${ textureProperty }, ${ uvSnippet } )`; + + } + + } + + generateTextureLevel( texture, textureProperty, uvSnippet, levelSnippet ) { + + return `textureLod( ${ textureProperty }, ${ uvSnippet }, ${ levelSnippet } )`; + + } + + generateTextureGrad( texture, textureProperty, uvSnippet, gradSnippet ) { + + return `textureGrad( ${ textureProperty }, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`; + + } + + generateTextureCompare( texture, textureProperty, uvSnippet, compareSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + return `texture( ${ textureProperty }, vec3( ${ uvSnippet }, ${ compareSnippet } ) )`; + + } else { + + console.error( `WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${ shaderStage } shader.` ); + + } + + } + + getVars( shaderStage ) { + + const snippets = []; + + const vars = this.vars[ shaderStage ]; + + if ( vars !== undefined ) { + + for ( const variable of vars ) { + + snippets.push( `${ this.getVar( variable.type, variable.name ) };` ); + + } + + } + + return snippets.join( '\n\t' ); + + } + + getUniforms( shaderStage ) { + + const uniforms = this.uniforms[ shaderStage ]; + + const bindingSnippets = []; + const uniformGroups = {}; + + for ( const uniform of uniforms ) { + + let snippet = null; + let group = false; + + if ( uniform.type === 'texture' ) { + + const texture = uniform.node.value; + + let typePrefix = ''; + + if ( texture.isDataTexture === true ) { + + + if ( texture.type === UnsignedIntType ) { + + typePrefix = 'u'; + + } else if ( texture.type === IntType ) { + + typePrefix = 'i'; + + } + + } + + if ( texture.compareFunction ) { + + snippet = `sampler2DShadow ${ uniform.name };`; + + } else if ( texture.isDataArrayTexture === true ) { + + snippet = `${typePrefix}sampler2DArray ${ uniform.name };`; + + } else { + + snippet = `${typePrefix}sampler2D ${ uniform.name };`; + + } + + } else if ( uniform.type === 'cubeTexture' ) { + + snippet = `samplerCube ${ uniform.name };`; + + } else if ( uniform.type === 'texture3D' ) { + + snippet = `sampler3D ${ uniform.name };`; + + } else if ( uniform.type === 'buffer' ) { + + const bufferNode = uniform.node; + const bufferType = this.getType( bufferNode.bufferType ); + const bufferCount = bufferNode.bufferCount; + + const bufferCountSnippet = bufferCount > 0 ? bufferCount : ''; + snippet = `${bufferNode.name} {\n\t${ bufferType } ${ uniform.name }[${ bufferCountSnippet }];\n};\n`; + + } else { + + const vectorType = this.getVectorType( uniform.type ); + + snippet = `${ vectorType } ${ this.getPropertyName( uniform, shaderStage ) };`; + + group = true; + + } + + const precision = uniform.node.precision; + + if ( precision !== null ) { + + snippet = precisionLib[ precision ] + ' ' + snippet; + + } + + if ( group ) { + + snippet = '\t' + snippet; + + const groupName = uniform.groupNode.name; + const groupSnippets = uniformGroups[ groupName ] || ( uniformGroups[ groupName ] = [] ); + + groupSnippets.push( snippet ); + + } else { + + snippet = 'uniform ' + snippet; + + bindingSnippets.push( snippet ); + + } + + } + + let output = ''; + + for ( const name in uniformGroups ) { + + const groupSnippets = uniformGroups[ name ]; + + output += this._getGLSLUniformStruct( shaderStage + '_' + name, groupSnippets.join( '\n' ) ) + '\n'; + + } + + output += bindingSnippets.join( '\n' ); + + return output; + + } + + getTypeFromAttribute( attribute ) { + + let nodeType = super.getTypeFromAttribute( attribute ); + + if ( /^[iu]/.test( nodeType ) && attribute.gpuType !== IntType ) { + + let dataAttribute = attribute; + + if ( attribute.isInterleavedBufferAttribute ) dataAttribute = attribute.data; + + const array = dataAttribute.array; + + if ( ( array instanceof Uint32Array || array instanceof Int32Array || array instanceof Uint16Array || array instanceof Int16Array ) === false ) { + + nodeType = nodeType.slice( 1 ); + + } + + } + + return nodeType; + + } + + getAttributes( shaderStage ) { + + let snippet = ''; + + if ( shaderStage === 'vertex' || shaderStage === 'compute' ) { + + const attributes = this.getAttributesArray(); + + let location = 0; + + for ( const attribute of attributes ) { + + snippet += `layout( location = ${ location ++ } ) in ${ attribute.type } ${ attribute.name };\n`; + + } + + } + + return snippet; + + } + + getStructMembers( struct ) { + + const snippets = []; + const members = struct.getMemberTypes(); + + for ( let i = 0; i < members.length; i ++ ) { + + const member = members[ i ]; + snippets.push( `layout( location = ${i} ) out ${ member} m${i};` ); + + } + + return snippets.join( '\n' ); + + } + + getStructs( shaderStage ) { + + const snippets = []; + const structs = this.structs[ shaderStage ]; + + if ( structs.length === 0 ) { + + return 'layout( location = 0 ) out vec4 fragColor;\n'; + + } + + for ( let index = 0, length = structs.length; index < length; index ++ ) { + + const struct = structs[ index ]; + + let snippet = '\n'; + snippet += this.getStructMembers( struct ); + snippet += '\n'; + + snippets.push( snippet ); + + } + + return snippets.join( '\n\n' ); + + } + + getVaryings( shaderStage ) { + + let snippet = ''; + + const varyings = this.varyings; + + if ( shaderStage === 'vertex' || shaderStage === 'compute' ) { + + for ( const varying of varyings ) { + + if ( shaderStage === 'compute' ) varying.needsInterpolation = true; + const type = varying.type; + const flat = type.includes( 'int' ) || type.includes( 'uv' ) || type.includes( 'iv' ) ? 'flat ' : ''; + + snippet += `${flat}${varying.needsInterpolation ? 'out' : '/*out*/'} ${type} ${varying.name};\n`; + + } + + } else if ( shaderStage === 'fragment' ) { + + for ( const varying of varyings ) { + + if ( varying.needsInterpolation ) { + + const type = varying.type; + const flat = type.includes( 'int' ) || type.includes( 'uv' ) || type.includes( 'iv' ) ? 'flat ' : ''; + + snippet += `${flat}in ${type} ${varying.name};\n`; + + } + + } + + } + + return snippet; + + } + + getVertexIndex() { + + return 'uint( gl_VertexID )'; + + } + + getInstanceIndex() { + + return 'uint( gl_InstanceID )'; + + } + + getDrawIndex() { + + const extensions = this.renderer.backend.extensions; + + if ( extensions.has( 'WEBGL_multi_draw' ) ) { + + return 'uint( gl_DrawID )'; + + } + + return null; + + } + + getFrontFacing() { + + return 'gl_FrontFacing'; + + } + + getFragCoord() { + + return 'gl_FragCoord'; + + } + + getFragDepth() { + + return 'gl_FragDepth'; + + } + + getExtensions( shaderStage ) { + + let extensions = ''; + + if ( shaderStage === 'vertex' ) { + + const ext = this.renderer.backend.extensions; + const isBatchedMesh = this.object.isBatchedMesh; + + if ( isBatchedMesh && ext.has( 'WEBGL_multi_draw' ) ) { + + extensions += '#extension GL_ANGLE_multi_draw : require\n'; + + } + + } + + return extensions; + + } + + isAvailable( name ) { + + let result = supports$1[ name ]; + + if ( result === undefined ) { + + if ( name === 'float32Filterable' ) { + + const extensions = this.renderer.backend.extensions; + + if ( extensions.has( 'OES_texture_float_linear' ) ) { + + extensions.get( 'OES_texture_float_linear' ); + result = true; + + } else { + + result = false; + + } + + } + + supports$1[ name ] = result; + + } + + return result; + + } + + isFlipY() { + + return true; + + } + + registerTransform( varyingName, attributeNode ) { + + this.transforms.push( { varyingName, attributeNode } ); + + } + + getTransforms( /* shaderStage */ ) { + + const transforms = this.transforms; + + let snippet = ''; + + for ( let i = 0; i < transforms.length; i ++ ) { + + const transform = transforms[ i ]; + + const attributeName = this.getPropertyName( transform.attributeNode ); + + snippet += `${ transform.varyingName } = ${ attributeName };\n\t`; + + } + + return snippet; + + } + + _getGLSLUniformStruct( name, vars ) { + + return ` +layout( std140 ) uniform ${name} { +${vars} +};`; + + } + + _getGLSLVertexCode( shaderData ) { + + return `#version 300 es + +// extensions +${shaderData.extensions} + +// precision +${ defaultPrecisions } + +// uniforms +${shaderData.uniforms} + +// varyings +${shaderData.varyings} + +// attributes +${shaderData.attributes} + +// codes +${shaderData.codes} + +void main() { + + // vars + ${shaderData.vars} + + // transforms + ${shaderData.transforms} + + // flow + ${shaderData.flow} + + gl_PointSize = 1.0; + +} +`; + + } + + _getGLSLFragmentCode( shaderData ) { + + return `#version 300 es + +${ this.getSignature() } + +// precision +${ defaultPrecisions } + +// uniforms +${shaderData.uniforms} + +// varyings +${shaderData.varyings} + +// codes +${shaderData.codes} + +${shaderData.structs} + +void main() { + + // vars + ${shaderData.vars} + + // flow + ${shaderData.flow} + +} +`; + + } + + buildCode() { + + const shadersData = this.material !== null ? { fragment: {}, vertex: {} } : { compute: {} }; + + for ( const shaderStage in shadersData ) { + + let flow = '// code\n\n'; + flow += this.flowCode[ shaderStage ]; + + const flowNodes = this.flowNodes[ shaderStage ]; + const mainNode = flowNodes[ flowNodes.length - 1 ]; + + for ( const node of flowNodes ) { + + const flowSlotData = this.getFlowData( node/*, shaderStage*/ ); + const slotName = node.name; + + if ( slotName ) { + + if ( flow.length > 0 ) flow += '\n'; + + flow += `\t// flow -> ${ slotName }\n\t`; + + } + + flow += `${ flowSlotData.code }\n\t`; + + if ( node === mainNode && shaderStage !== 'compute' ) { + + flow += '// result\n\t'; + + if ( shaderStage === 'vertex' ) { + + flow += 'gl_Position = '; + flow += `${ flowSlotData.result };`; + + } else if ( shaderStage === 'fragment' ) { + + if ( ! node.outputNode.isOutputStructNode ) { + + flow += 'fragColor = '; + flow += `${ flowSlotData.result };`; + + } + + } + + } + + } + + const stageData = shadersData[ shaderStage ]; + + stageData.extensions = this.getExtensions( shaderStage ); + stageData.uniforms = this.getUniforms( shaderStage ); + stageData.attributes = this.getAttributes( shaderStage ); + stageData.varyings = this.getVaryings( shaderStage ); + stageData.vars = this.getVars( shaderStage ); + stageData.structs = this.getStructs( shaderStage ); + stageData.codes = this.getCodes( shaderStage ); + stageData.transforms = this.getTransforms( shaderStage ); + stageData.flow = flow; + + } + + if ( this.material !== null ) { + + this.vertexShader = this._getGLSLVertexCode( shadersData.vertex ); + this.fragmentShader = this._getGLSLFragmentCode( shadersData.fragment ); + + } else { + + this.computeShader = this._getGLSLVertexCode( shadersData.compute ); + + } + + } + + getUniformFromNode( node, type, shaderStage, name = null ) { + + const uniformNode = super.getUniformFromNode( node, type, shaderStage, name ); + const nodeData = this.getDataFromNode( node, shaderStage, this.globalCache ); + + let uniformGPU = nodeData.uniformGPU; + + if ( uniformGPU === undefined ) { + + const group = node.groupNode; + const groupName = group.name; + + const bindings = this.getBindGroupArray( groupName, shaderStage ); + + if ( type === 'texture' ) { + + uniformGPU = new NodeSampledTexture( uniformNode.name, uniformNode.node, group ); + bindings.push( uniformGPU ); + + } else if ( type === 'cubeTexture' ) { + + uniformGPU = new NodeSampledCubeTexture( uniformNode.name, uniformNode.node, group ); + bindings.push( uniformGPU ); + + } else if ( type === 'texture3D' ) { + + uniformGPU = new NodeSampledTexture3D( uniformNode.name, uniformNode.node, group ); + bindings.push( uniformGPU ); + + } else if ( type === 'buffer' ) { + + node.name = `NodeBuffer_${ node.id }`; + uniformNode.name = `buffer${ node.id }`; + + const buffer = new NodeUniformBuffer( node, group ); + buffer.name = node.name; + + bindings.push( buffer ); + + uniformGPU = buffer; + + } else { + + const uniformsStage = this.uniformGroups[ shaderStage ] || ( this.uniformGroups[ shaderStage ] = {} ); + + let uniformsGroup = uniformsStage[ groupName ]; + + if ( uniformsGroup === undefined ) { + + uniformsGroup = new NodeUniformsGroup( shaderStage + '_' + groupName, group ); + //uniformsGroup.setVisibility( gpuShaderStageLib[ shaderStage ] ); + + uniformsStage[ groupName ] = uniformsGroup; + + bindings.push( uniformsGroup ); + + } + + uniformGPU = this.getNodeUniform( uniformNode, type ); + + uniformsGroup.addUniform( uniformGPU ); + + } + + nodeData.uniformGPU = uniformGPU; + + } + + return uniformNode; + + } + +} + +let vector2 = null; +let vector4 = null; +let color4 = null; + +class Backend { + + constructor( parameters = {} ) { + + this.parameters = Object.assign( {}, parameters ); + this.data = new WeakMap(); + this.renderer = null; + this.domElement = null; + + } + + async init( renderer ) { + + this.renderer = renderer; + + } + + // render context + + begin( /*renderContext*/ ) { } + + finish( /*renderContext*/ ) { } + + // render object + + draw( /*renderObject, info*/ ) { } + + // program + + createProgram( /*program*/ ) { } + + destroyProgram( /*program*/ ) { } + + // bindings + + createBindings( /*renderObject*/ ) { } + + updateBindings( /*renderObject*/ ) { } + + // pipeline + + createRenderPipeline( /*renderObject*/ ) { } + + createComputePipeline( /*computeNode, pipeline*/ ) { } + + destroyPipeline( /*pipeline*/ ) { } + + // cache key + + needsRenderUpdate( /*renderObject*/ ) { } // return Boolean ( fast test ) + + getRenderCacheKey( /*renderObject*/ ) { } // return String + + // node builder + + createNodeBuilder( /*renderObject*/ ) { } // return NodeBuilder (ADD IT) + + // textures + + createSampler( /*texture*/ ) { } + + createDefaultTexture( /*texture*/ ) { } + + createTexture( /*texture*/ ) { } + + copyTextureToBuffer( /*texture, x, y, width, height*/ ) {} + + // attributes + + createAttribute( /*attribute*/ ) { } + + createIndexAttribute( /*attribute*/ ) { } + + updateAttribute( /*attribute*/ ) { } + + destroyAttribute( /*attribute*/ ) { } + + // canvas + + getContext() { } + + updateSize() { } + + // utils + + resolveTimestampAsync( /*renderContext, type*/ ) { } + + hasFeatureAsync( /*name*/ ) { } // return Boolean + + hasFeature( /*name*/ ) { } // return Boolean + + getInstanceCount( renderObject ) { + + const { object, geometry } = renderObject; + + return geometry.isInstancedBufferGeometry ? geometry.instanceCount : ( object.count > 1 ? object.count : 1 ); + + } + + getDrawingBufferSize() { + + vector2 = vector2 || new Vector2(); + + return this.renderer.getDrawingBufferSize( vector2 ); + + } + + getScissor() { + + vector4 = vector4 || new Vector4(); + + return this.renderer.getScissor( vector4 ); + + } + + setScissorTest( /*boolean*/ ) { } + + getClearColor() { + + const renderer = this.renderer; + + color4 = color4 || new Color4(); + + renderer.getClearColor( color4 ); + + color4.getRGB( color4, this.renderer.currentColorSpace ); + + return color4; + + } + + getDomElement() { + + let domElement = this.domElement; + + if ( domElement === null ) { + + domElement = ( this.parameters.canvas !== undefined ) ? this.parameters.canvas : createCanvasElement(); + + // OffscreenCanvas does not have setAttribute, see #22811 + if ( 'setAttribute' in domElement ) domElement.setAttribute( 'data-engine', `three.js r${REVISION} webgpu` ); + + this.domElement = domElement; + + } + + return domElement; + + } + + // resource properties + + set( object, value ) { + + this.data.set( object, value ); + + } + + get( object ) { + + let map = this.data.get( object ); + + if ( map === undefined ) { + + map = {}; + this.data.set( object, map ); + + } + + return map; + + } + + has( object ) { + + return this.data.has( object ); + + } + + delete( object ) { + + this.data.delete( object ); + + } + +} + +let _id$1 = 0; + +class DualAttributeData { + + constructor( attributeData, dualBuffer ) { + + this.buffers = [ attributeData.bufferGPU, dualBuffer ]; + this.type = attributeData.type; + this.bufferType = attributeData.bufferType; + this.pbo = attributeData.pbo; + this.byteLength = attributeData.byteLength; + this.bytesPerElement = attributeData.BYTES_PER_ELEMENT; + this.version = attributeData.version; + this.isInteger = attributeData.isInteger; + this.activeBufferIndex = 0; + this.baseId = attributeData.id; + + } + + + get id() { + + return `${ this.baseId }|${ this.activeBufferIndex }`; + + } + + get bufferGPU() { + + return this.buffers[ this.activeBufferIndex ]; + + } + + get transformBuffer() { + + return this.buffers[ this.activeBufferIndex ^ 1 ]; + + } + + switchBuffers() { + + this.activeBufferIndex ^= 1; + + } + +} + +class WebGLAttributeUtils { + + constructor( backend ) { + + this.backend = backend; + + } + + createAttribute( attribute, bufferType ) { + + const backend = this.backend; + const { gl } = backend; + + const array = attribute.array; + const usage = attribute.usage || gl.STATIC_DRAW; + + const bufferAttribute = attribute.isInterleavedBufferAttribute ? attribute.data : attribute; + const bufferData = backend.get( bufferAttribute ); + + let bufferGPU = bufferData.bufferGPU; + + if ( bufferGPU === undefined ) { + + bufferGPU = this._createBuffer( gl, bufferType, array, usage ); + + bufferData.bufferGPU = bufferGPU; + bufferData.bufferType = bufferType; + bufferData.version = bufferAttribute.version; + + } + + //attribute.onUploadCallback(); + + let type; + + if ( array instanceof Float32Array ) { + + type = gl.FLOAT; + + } else if ( array instanceof Uint16Array ) { + + if ( attribute.isFloat16BufferAttribute ) { + + type = gl.HALF_FLOAT; + + } else { + + type = gl.UNSIGNED_SHORT; + + } + + } else if ( array instanceof Int16Array ) { + + type = gl.SHORT; + + } else if ( array instanceof Uint32Array ) { + + type = gl.UNSIGNED_INT; + + } else if ( array instanceof Int32Array ) { + + type = gl.INT; + + } else if ( array instanceof Int8Array ) { + + type = gl.BYTE; + + } else if ( array instanceof Uint8Array ) { + + type = gl.UNSIGNED_BYTE; + + } else if ( array instanceof Uint8ClampedArray ) { + + type = gl.UNSIGNED_BYTE; + + } else { + + throw new Error( 'THREE.WebGLBackend: Unsupported buffer data format: ' + array ); + + } + + let attributeData = { + bufferGPU, + bufferType, + type, + byteLength: array.byteLength, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version, + pbo: attribute.pbo, + isInteger: type === gl.INT || type === gl.UNSIGNED_INT || type === gl.UNSIGNED_SHORT || attribute.gpuType === IntType, + id: _id$1 ++ + }; + + if ( attribute.isStorageBufferAttribute || attribute.isStorageInstancedBufferAttribute ) { + + // create buffer for tranform feedback use + const bufferGPUDual = this._createBuffer( gl, bufferType, array, usage ); + attributeData = new DualAttributeData( attributeData, bufferGPUDual ); + + } + + backend.set( attribute, attributeData ); + + } + + updateAttribute( attribute ) { + + const backend = this.backend; + const { gl } = backend; + + const array = attribute.array; + const bufferAttribute = attribute.isInterleavedBufferAttribute ? attribute.data : attribute; + const bufferData = backend.get( bufferAttribute ); + const bufferType = bufferData.bufferType; + const updateRanges = attribute.isInterleavedBufferAttribute ? attribute.data.updateRanges : attribute.updateRanges; + + gl.bindBuffer( bufferType, bufferData.bufferGPU ); + + if ( updateRanges.length === 0 ) { + + // Not using update ranges + + gl.bufferSubData( bufferType, 0, array ); + + } else { + + for ( let i = 0, l = updateRanges.length; i < l; i ++ ) { + + const range = updateRanges[ i ]; + gl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT, + array, range.start, range.count ); + + } + + bufferAttribute.clearUpdateRanges(); + + } + + gl.bindBuffer( bufferType, null ); + + bufferData.version = bufferAttribute.version; + + } + + destroyAttribute( attribute ) { + + const backend = this.backend; + const { gl } = backend; + + if ( attribute.isInterleavedBufferAttribute ) { + + backend.delete( attribute.data ); + + } + + const attributeData = backend.get( attribute ); + + gl.deleteBuffer( attributeData.bufferGPU ); + + backend.delete( attribute ); + + } + + async getArrayBufferAsync( attribute ) { + + const backend = this.backend; + const { gl } = backend; + + const bufferAttribute = attribute.isInterleavedBufferAttribute ? attribute.data : attribute; + const { bufferGPU } = backend.get( bufferAttribute ); + + const array = attribute.array; + const byteLength = array.byteLength; + + gl.bindBuffer( gl.COPY_READ_BUFFER, bufferGPU ); + + const writeBuffer = gl.createBuffer(); + + gl.bindBuffer( gl.COPY_WRITE_BUFFER, writeBuffer ); + gl.bufferData( gl.COPY_WRITE_BUFFER, byteLength, gl.STREAM_READ ); + + gl.copyBufferSubData( gl.COPY_READ_BUFFER, gl.COPY_WRITE_BUFFER, 0, 0, byteLength ); + + await backend.utils._clientWaitAsync(); + + const dstBuffer = new attribute.array.constructor( array.length ); + + gl.getBufferSubData( gl.COPY_WRITE_BUFFER, 0, dstBuffer ); + + gl.deleteBuffer( writeBuffer ); + + return dstBuffer.buffer; + + } + + _createBuffer( gl, bufferType, array, usage ) { + + const bufferGPU = gl.createBuffer(); + + gl.bindBuffer( bufferType, bufferGPU ); + gl.bufferData( bufferType, array, usage ); + gl.bindBuffer( bufferType, null ); + + return bufferGPU; + + } + +} + +let initialized$1 = false, equationToGL, factorToGL; + +class WebGLState { + + constructor( backend ) { + + this.backend = backend; + + this.gl = this.backend.gl; + + this.enabled = {}; + this.currentFlipSided = null; + this.currentCullFace = null; + this.currentProgram = null; + this.currentBlendingEnabled = false; + this.currentBlending = null; + this.currentBlendSrc = null; + this.currentBlendDst = null; + this.currentBlendSrcAlpha = null; + this.currentBlendDstAlpha = null; + this.currentPremultipledAlpha = null; + this.currentPolygonOffsetFactor = null; + this.currentPolygonOffsetUnits = null; + this.currentColorMask = null; + this.currentDepthFunc = null; + this.currentDepthMask = null; + this.currentStencilFunc = null; + this.currentStencilRef = null; + this.currentStencilFuncMask = null; + this.currentStencilFail = null; + this.currentStencilZFail = null; + this.currentStencilZPass = null; + this.currentStencilMask = null; + this.currentLineWidth = null; + + this.currentBoundFramebuffers = {}; + this.currentDrawbuffers = new WeakMap(); + + this.maxTextures = this.gl.getParameter( this.gl.MAX_TEXTURE_IMAGE_UNITS ); + this.currentTextureSlot = null; + this.currentBoundTextures = {}; + + if ( initialized$1 === false ) { + + this._init( this.gl ); + + initialized$1 = true; + + } + + } + + _init( gl ) { + + // Store only WebGL constants here. + + equationToGL = { + [ AddEquation ]: gl.FUNC_ADD, + [ SubtractEquation ]: gl.FUNC_SUBTRACT, + [ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT + }; + + factorToGL = { + [ ZeroFactor ]: gl.ZERO, + [ OneFactor ]: gl.ONE, + [ SrcColorFactor ]: gl.SRC_COLOR, + [ SrcAlphaFactor ]: gl.SRC_ALPHA, + [ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE, + [ DstColorFactor ]: gl.DST_COLOR, + [ DstAlphaFactor ]: gl.DST_ALPHA, + [ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR, + [ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA, + [ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR, + [ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA + }; + + } + + enable( id ) { + + const { enabled } = this; + + if ( enabled[ id ] !== true ) { + + this.gl.enable( id ); + enabled[ id ] = true; + + } + + } + + disable( id ) { + + const { enabled } = this; + + if ( enabled[ id ] !== false ) { + + this.gl.disable( id ); + enabled[ id ] = false; + + } + + } + + setFlipSided( flipSided ) { + + if ( this.currentFlipSided !== flipSided ) { + + const { gl } = this; + + if ( flipSided ) { + + gl.frontFace( gl.CW ); + + } else { + + gl.frontFace( gl.CCW ); + + } + + this.currentFlipSided = flipSided; + + } + + } + + setCullFace( cullFace ) { + + const { gl } = this; + + if ( cullFace !== CullFaceNone ) { + + this.enable( gl.CULL_FACE ); + + if ( cullFace !== this.currentCullFace ) { + + if ( cullFace === CullFaceBack ) { + + gl.cullFace( gl.BACK ); + + } else if ( cullFace === CullFaceFront ) { + + gl.cullFace( gl.FRONT ); + + } else { + + gl.cullFace( gl.FRONT_AND_BACK ); + + } + + } + + } else { + + this.disable( gl.CULL_FACE ); + + } + + this.currentCullFace = cullFace; + + } + + setLineWidth( width ) { + + const { currentLineWidth, gl } = this; + + if ( width !== currentLineWidth ) { + + gl.lineWidth( width ); + + this.currentLineWidth = width; + + } + + } + + + setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + + const { gl } = this; + + if ( blending === NoBlending ) { + + if ( this.currentBlendingEnabled === true ) { + + this.disable( gl.BLEND ); + this.currentBlendingEnabled = false; + + } + + return; + + } + + if ( this.currentBlendingEnabled === false ) { + + this.enable( gl.BLEND ); + this.currentBlendingEnabled = true; + + } + + if ( blending !== CustomBlending ) { + + if ( blending !== this.currentBlending || premultipliedAlpha !== this.currentPremultipledAlpha ) { + + if ( this.currentBlendEquation !== AddEquation || this.currentBlendEquationAlpha !== AddEquation ) { + + gl.blendEquation( gl.FUNC_ADD ); + + this.currentBlendEquation = AddEquation; + this.currentBlendEquationAlpha = AddEquation; + + } + + if ( premultipliedAlpha ) { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + break; + + case AdditiveBlending: + gl.blendFunc( gl.ONE, gl.ONE ); + break; + + case SubtractiveBlending: + gl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE ); + break; + + case MultiplyBlending: + gl.blendFuncSeparate( gl.ZERO, gl.SRC_COLOR, gl.ZERO, gl.SRC_ALPHA ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } else { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + break; + + case AdditiveBlending: + gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); + break; + + case SubtractiveBlending: + gl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE ); + break; + + case MultiplyBlending: + gl.blendFunc( gl.ZERO, gl.SRC_COLOR ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } + + this.currentBlendSrc = null; + this.currentBlendDst = null; + this.currentBlendSrcAlpha = null; + this.currentBlendDstAlpha = null; + + this.currentBlending = blending; + this.currentPremultipledAlpha = premultipliedAlpha; + + } + + return; + + } + + // custom blending + + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + + if ( blendEquation !== this.currentBlendEquation || blendEquationAlpha !== this.currentBlendEquationAlpha ) { + + gl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] ); + + this.currentBlendEquation = blendEquation; + this.currentBlendEquationAlpha = blendEquationAlpha; + + } + + if ( blendSrc !== this.currentBlendSrc || blendDst !== this.currentBlendDst || blendSrcAlpha !== this.currentBlendSrcAlpha || blendDstAlpha !== this.currentBlendDstAlpha ) { + + gl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] ); + + this.currentBlendSrc = blendSrc; + this.currentBlendDst = blendDst; + this.currentBlendSrcAlpha = blendSrcAlpha; + this.currentBlendDstAlpha = blendDstAlpha; + + } + + this.currentBlending = blending; + this.currentPremultipledAlpha = false; + + } + + setColorMask( colorMask ) { + + if ( this.currentColorMask !== colorMask ) { + + this.gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + this.currentColorMask = colorMask; + + } + + } + + setDepthTest( depthTest ) { + + const { gl } = this; + + if ( depthTest ) { + + this.enable( gl.DEPTH_TEST ); + + } else { + + this.disable( gl.DEPTH_TEST ); + + } + + } + + setDepthMask( depthMask ) { + + if ( this.currentDepthMask !== depthMask ) { + + this.gl.depthMask( depthMask ); + this.currentDepthMask = depthMask; + + } + + } + + setDepthFunc( depthFunc ) { + + if ( this.currentDepthFunc !== depthFunc ) { + + const { gl } = this; + + switch ( depthFunc ) { + + case NeverDepth: + + gl.depthFunc( gl.NEVER ); + break; + + case AlwaysDepth: + + gl.depthFunc( gl.ALWAYS ); + break; + + case LessDepth: + + gl.depthFunc( gl.LESS ); + break; + + case LessEqualDepth: + + gl.depthFunc( gl.LEQUAL ); + break; + + case EqualDepth: + + gl.depthFunc( gl.EQUAL ); + break; + + case GreaterEqualDepth: + + gl.depthFunc( gl.GEQUAL ); + break; + + case GreaterDepth: + + gl.depthFunc( gl.GREATER ); + break; + + case NotEqualDepth: + + gl.depthFunc( gl.NOTEQUAL ); + break; + + default: + + gl.depthFunc( gl.LEQUAL ); + + } + + this.currentDepthFunc = depthFunc; + + } + + } + + setStencilTest( stencilTest ) { + + const { gl } = this; + + if ( stencilTest ) { + + this.enable( gl.STENCIL_TEST ); + + } else { + + this.disable( gl.STENCIL_TEST ); + + } + + } + + setStencilMask( stencilMask ) { + + if ( this.currentStencilMask !== stencilMask ) { + + this.gl.stencilMask( stencilMask ); + this.currentStencilMask = stencilMask; + + } + + } + + setStencilFunc( stencilFunc, stencilRef, stencilMask ) { + + if ( this.currentStencilFunc !== stencilFunc || + this.currentStencilRef !== stencilRef || + this.currentStencilFuncMask !== stencilMask ) { + + this.gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + + this.currentStencilFunc = stencilFunc; + this.currentStencilRef = stencilRef; + this.currentStencilFuncMask = stencilMask; + + } + + } + + setStencilOp( stencilFail, stencilZFail, stencilZPass ) { + + if ( this.currentStencilFail !== stencilFail || + this.currentStencilZFail !== stencilZFail || + this.currentStencilZPass !== stencilZPass ) { + + this.gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + + this.currentStencilFail = stencilFail; + this.currentStencilZFail = stencilZFail; + this.currentStencilZPass = stencilZPass; + + } + + } + + setMaterial( material, frontFaceCW ) { + + const { gl } = this; + + material.side === DoubleSide + ? this.disable( gl.CULL_FACE ) + : this.enable( gl.CULL_FACE ); + + let flipSided = ( material.side === BackSide ); + if ( frontFaceCW ) flipSided = ! flipSided; + + this.setFlipSided( flipSided ); + + ( material.blending === NormalBlending && material.transparent === false ) + ? this.setBlending( NoBlending ) + : this.setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ); + + this.setDepthFunc( material.depthFunc ); + this.setDepthTest( material.depthTest ); + this.setDepthMask( material.depthWrite ); + this.setColorMask( material.colorWrite ); + + const stencilWrite = material.stencilWrite; + this.setStencilTest( stencilWrite ); + if ( stencilWrite ) { + + this.setStencilMask( material.stencilWriteMask ); + this.setStencilFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask ); + this.setStencilOp( material.stencilFail, material.stencilZFail, material.stencilZPass ); + + } + + this.setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + + material.alphaToCoverage === true + ? this.enable( gl.SAMPLE_ALPHA_TO_COVERAGE ) + : this.disable( gl.SAMPLE_ALPHA_TO_COVERAGE ); + + } + + setPolygonOffset( polygonOffset, factor, units ) { + + const { gl } = this; + + if ( polygonOffset ) { + + this.enable( gl.POLYGON_OFFSET_FILL ); + + if ( this.currentPolygonOffsetFactor !== factor || this.currentPolygonOffsetUnits !== units ) { + + gl.polygonOffset( factor, units ); + + this.currentPolygonOffsetFactor = factor; + this.currentPolygonOffsetUnits = units; + + } + + } else { + + this.disable( gl.POLYGON_OFFSET_FILL ); + + } + + } + + useProgram( program ) { + + if ( this.currentProgram !== program ) { + + this.gl.useProgram( program ); + + this.currentProgram = program; + + return true; + + } + + return false; + + } + + // framebuffer + + + bindFramebuffer( target, framebuffer ) { + + const { gl, currentBoundFramebuffers } = this; + + if ( currentBoundFramebuffers[ target ] !== framebuffer ) { + + gl.bindFramebuffer( target, framebuffer ); + + currentBoundFramebuffers[ target ] = framebuffer; + + // gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER + + if ( target === gl.DRAW_FRAMEBUFFER ) { + + currentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer; + + } + + if ( target === gl.FRAMEBUFFER ) { + + currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer; + + } + + return true; + + } + + return false; + + } + + drawBuffers( renderContext, framebuffer ) { + + const { gl } = this; + + let drawBuffers = []; + + let needsUpdate = false; + + if ( renderContext.textures !== null ) { + + drawBuffers = this.currentDrawbuffers.get( framebuffer ); + + if ( drawBuffers === undefined ) { + + drawBuffers = []; + this.currentDrawbuffers.set( framebuffer, drawBuffers ); + + } + + + const textures = renderContext.textures; + + if ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) { + + for ( let i = 0, il = textures.length; i < il; i ++ ) { + + drawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i; + + } + + drawBuffers.length = textures.length; + + needsUpdate = true; + + } + + + } else { + + if ( drawBuffers[ 0 ] !== gl.BACK ) { + + drawBuffers[ 0 ] = gl.BACK; + + needsUpdate = true; + + } + + } + + if ( needsUpdate ) { + + gl.drawBuffers( drawBuffers ); + + } + + + } + + + // texture + + activeTexture( webglSlot ) { + + const { gl, currentTextureSlot, maxTextures } = this; + + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; + + if ( currentTextureSlot !== webglSlot ) { + + gl.activeTexture( webglSlot ); + this.currentTextureSlot = webglSlot; + + } + + } + + bindTexture( webglType, webglTexture, webglSlot ) { + + const { gl, currentTextureSlot, currentBoundTextures, maxTextures } = this; + + if ( webglSlot === undefined ) { + + if ( currentTextureSlot === null ) { + + webglSlot = gl.TEXTURE0 + maxTextures - 1; + + } else { + + webglSlot = currentTextureSlot; + + } + + } + + let boundTexture = currentBoundTextures[ webglSlot ]; + + if ( boundTexture === undefined ) { + + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ webglSlot ] = boundTexture; + + } + + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + + if ( currentTextureSlot !== webglSlot ) { + + gl.activeTexture( webglSlot ); + this.currentTextureSlot = webglSlot; + + } + + gl.bindTexture( webglType, webglTexture ); + + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + + + } + + + } + + unbindTexture() { + + const { gl, currentTextureSlot, currentBoundTextures } = this; + + const boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture !== undefined && boundTexture.type !== undefined ) { + + gl.bindTexture( boundTexture.type, null ); + + boundTexture.type = undefined; + boundTexture.texture = undefined; + + } + + } + +} + +class WebGLUtils { + + constructor( backend ) { + + this.backend = backend; + + this.gl = this.backend.gl; + this.extensions = backend.extensions; + + } + + convert( p, colorSpace = NoColorSpace ) { + + const { gl, extensions } = this; + + let extension; + + if ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV; + + if ( p === ByteType ) return gl.BYTE; + if ( p === ShortType ) return gl.SHORT; + if ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT; + if ( p === IntType ) return gl.INT; + if ( p === UnsignedIntType ) return gl.UNSIGNED_INT; + if ( p === FloatType ) return gl.FLOAT; + + if ( p === HalfFloatType ) { + + return gl.HALF_FLOAT; + + } + + if ( p === AlphaFormat ) return gl.ALPHA; + if ( p === RGBFormat ) return gl.RGB; + if ( p === RGBAFormat ) return gl.RGBA; + if ( p === LuminanceFormat ) return gl.LUMINANCE; + if ( p === LuminanceAlphaFormat ) return gl.LUMINANCE_ALPHA; + if ( p === DepthFormat ) return gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL; + + // WebGL2 formats. + + if ( p === RedFormat ) return gl.RED; + if ( p === RedIntegerFormat ) return gl.RED_INTEGER; + if ( p === RGFormat ) return gl.RG; + if ( p === RGIntegerFormat ) return gl.RG_INTEGER; + if ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER; + + // S3TC + + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + + if ( colorSpace === SRGBColorSpace ) { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + + } else { + + return null; + + } + + } else { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + + } else { + + return null; + + } + + } + + } + + // PVRTC + + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + + if ( extension !== null ) { + + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + + } else { + + return null; + + } + + } + + // ETC + + if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc' ); + + if ( extension !== null ) { + + if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2; + if ( p === RGBA_ETC2_EAC_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC; + + } else { + + return null; + + } + + } + + // ASTC + + if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || + p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || + p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || + p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || + p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_astc' ); + + if ( extension !== null ) { + + if ( p === RGBA_ASTC_4x4_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR; + if ( p === RGBA_ASTC_5x4_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR; + if ( p === RGBA_ASTC_5x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR; + if ( p === RGBA_ASTC_6x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR; + if ( p === RGBA_ASTC_6x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR; + if ( p === RGBA_ASTC_8x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR; + if ( p === RGBA_ASTC_8x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR; + if ( p === RGBA_ASTC_8x8_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR; + if ( p === RGBA_ASTC_10x5_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR; + if ( p === RGBA_ASTC_10x6_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR; + if ( p === RGBA_ASTC_10x8_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR; + if ( p === RGBA_ASTC_10x10_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR; + if ( p === RGBA_ASTC_12x10_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR; + if ( p === RGBA_ASTC_12x12_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR; + + } else { + + return null; + + } + + } + + // BPTC + + if ( p === RGBA_BPTC_Format ) { + + extension = extensions.get( 'EXT_texture_compression_bptc' ); + + if ( extension !== null ) { + + if ( p === RGBA_BPTC_Format ) return ( colorSpace === SRGBColorSpace ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT; + + } else { + + return null; + + } + + } + + // RGTC + + if ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) { + + extension = extensions.get( 'EXT_texture_compression_rgtc' ); + + if ( extension !== null ) { + + if ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT; + if ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT; + if ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT; + if ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT; + + } else { + + return null; + + } + + } + + // + + if ( p === UnsignedInt248Type ) { + + return gl.UNSIGNED_INT_24_8; + + } + + // if "p" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats) + + return ( gl[ p ] !== undefined ) ? gl[ p ] : null; + + } + + _clientWaitAsync() { + + const { gl } = this; + + const sync = gl.fenceSync( gl.SYNC_GPU_COMMANDS_COMPLETE, 0 ); + + gl.flush(); + + return new Promise( ( resolve, reject ) => { + + function test() { + + const res = gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ); + + if ( res === gl.WAIT_FAILED ) { + + gl.deleteSync( sync ); + + reject(); + return; + + } + + if ( res === gl.TIMEOUT_EXPIRED ) { + + requestAnimationFrame( test ); + return; + + } + + gl.deleteSync( sync ); + + resolve(); + + } + + test(); + + } ); + + } + +} + +let initialized = false, wrappingToGL, filterToGL, compareToGL; + +class WebGLTextureUtils { + + constructor( backend ) { + + this.backend = backend; + + this.gl = backend.gl; + this.extensions = backend.extensions; + this.defaultTextures = {}; + + if ( initialized === false ) { + + this._init( this.gl ); + + initialized = true; + + } + + } + + _init( gl ) { + + // Store only WebGL constants here. + + wrappingToGL = { + [ RepeatWrapping ]: gl.REPEAT, + [ ClampToEdgeWrapping ]: gl.CLAMP_TO_EDGE, + [ MirroredRepeatWrapping ]: gl.MIRRORED_REPEAT + }; + + filterToGL = { + [ NearestFilter ]: gl.NEAREST, + [ NearestMipmapNearestFilter ]: gl.NEAREST_MIPMAP_NEAREST, + [ NearestMipmapLinearFilter ]: gl.NEAREST_MIPMAP_LINEAR, + + [ LinearFilter ]: gl.LINEAR, + [ LinearMipmapNearestFilter ]: gl.LINEAR_MIPMAP_NEAREST, + [ LinearMipmapLinearFilter ]: gl.LINEAR_MIPMAP_LINEAR + }; + + compareToGL = { + [ NeverCompare ]: gl.NEVER, + [ AlwaysCompare ]: gl.ALWAYS, + [ LessCompare ]: gl.LESS, + [ LessEqualCompare ]: gl.LEQUAL, + [ EqualCompare ]: gl.EQUAL, + [ GreaterEqualCompare ]: gl.GEQUAL, + [ GreaterCompare ]: gl.GREATER, + [ NotEqualCompare ]: gl.NOTEQUAL + }; + + } + + filterFallback( f ) { + + const { gl } = this; + + if ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) { + + return gl.NEAREST; + + } + + return gl.LINEAR; + + } + + getGLTextureType( texture ) { + + const { gl } = this; + + let glTextureType; + + if ( texture.isCubeTexture === true ) { + + glTextureType = gl.TEXTURE_CUBE_MAP; + + } else if ( texture.isDataArrayTexture === true ) { + + glTextureType = gl.TEXTURE_2D_ARRAY; + + } else if ( texture.isData3DTexture === true ) { + + glTextureType = gl.TEXTURE_3D; + + } else { + + glTextureType = gl.TEXTURE_2D; + + + } + + return glTextureType; + + } + + getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) { + + const { gl, extensions } = this; + + if ( internalFormatName !== null ) { + + if ( gl[ internalFormatName ] !== undefined ) return gl[ internalFormatName ]; + + console.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \'' + internalFormatName + '\'' ); + + } + + let internalFormat = glFormat; + + if ( glFormat === gl.RED ) { + + if ( glType === gl.FLOAT ) internalFormat = gl.R32F; + if ( glType === gl.HALF_FLOAT ) internalFormat = gl.R16F; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.R8; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.R16; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.R32UI; + if ( glType === gl.BYTE ) internalFormat = gl.R8I; + if ( glType === gl.SHORT ) internalFormat = gl.R16I; + if ( glType === gl.INT ) internalFormat = gl.R32I; + + } + + if ( glFormat === gl.RED_INTEGER ) { + + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.R8UI; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.R16UI; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.R32UI; + if ( glType === gl.BYTE ) internalFormat = gl.R8I; + if ( glType === gl.SHORT ) internalFormat = gl.R16I; + if ( glType === gl.INT ) internalFormat = gl.R32I; + + } + + if ( glFormat === gl.RG ) { + + if ( glType === gl.FLOAT ) internalFormat = gl.RG32F; + if ( glType === gl.HALF_FLOAT ) internalFormat = gl.RG16F; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RG8; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RG16; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RG32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RG8I; + if ( glType === gl.SHORT ) internalFormat = gl.RG16I; + if ( glType === gl.INT ) internalFormat = gl.RG32I; + + } + + if ( glFormat === gl.RG_INTEGER ) { + + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RG8UI; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RG16UI; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RG32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RG8I; + if ( glType === gl.SHORT ) internalFormat = gl.RG16I; + if ( glType === gl.INT ) internalFormat = gl.RG32I; + + } + + if ( glFormat === gl.RGB ) { + + if ( glType === gl.FLOAT ) internalFormat = gl.RGB32F; + if ( glType === gl.HALF_FLOAT ) internalFormat = gl.RGB16F; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RGB8; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RGB16; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RGB32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RGB8I; + if ( glType === gl.SHORT ) internalFormat = gl.RGB16I; + if ( glType === gl.INT ) internalFormat = gl.RGB32I; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = ( colorSpace === SRGBColorSpace && forceLinearTransfer === false ) ? gl.SRGB8 : gl.RGB8; + if ( glType === gl.UNSIGNED_SHORT_5_6_5 ) internalFormat = gl.RGB565; + if ( glType === gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = gl.RGB5_A1; + if ( glType === gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = gl.RGB4; + if ( glType === gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = gl.RGB9_E5; + + } + + if ( glFormat === gl.RGB_INTEGER ) { + + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RGB8UI; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RGB16UI; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RGB32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RGB8I; + if ( glType === gl.SHORT ) internalFormat = gl.RGB16I; + if ( glType === gl.INT ) internalFormat = gl.RGB32I; + + } + + if ( glFormat === gl.RGBA ) { + + if ( glType === gl.FLOAT ) internalFormat = gl.RGBA32F; + if ( glType === gl.HALF_FLOAT ) internalFormat = gl.RGBA16F; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RGBA8; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RGBA16; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RGBA32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RGBA8I; + if ( glType === gl.SHORT ) internalFormat = gl.RGBA16I; + if ( glType === gl.INT ) internalFormat = gl.RGBA32I; + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = ( colorSpace === SRGBColorSpace && forceLinearTransfer === false ) ? gl.SRGB8_ALPHA8 : gl.RGBA8; + if ( glType === gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = gl.RGBA4; + if ( glType === gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = gl.RGB5_A1; + + } + + if ( glFormat === gl.RGBA_INTEGER ) { + + if ( glType === gl.UNSIGNED_BYTE ) internalFormat = gl.RGBA8UI; + if ( glType === gl.UNSIGNED_SHORT ) internalFormat = gl.RGBA16UI; + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.RGBA32UI; + if ( glType === gl.BYTE ) internalFormat = gl.RGBA8I; + if ( glType === gl.SHORT ) internalFormat = gl.RGBA16I; + if ( glType === gl.INT ) internalFormat = gl.RGBA32I; + + } + + if ( glFormat === gl.DEPTH_COMPONENT ) { + + if ( glType === gl.UNSIGNED_INT ) internalFormat = gl.DEPTH24_STENCIL8; + if ( glType === gl.FLOAT ) internalFormat = gl.DEPTH_COMPONENT32F; + + } + + if ( glFormat === gl.DEPTH_STENCIL ) { + + if ( glType === gl.UNSIGNED_INT_24_8 ) internalFormat = gl.DEPTH24_STENCIL8; + + } + + if ( internalFormat === gl.R16F || internalFormat === gl.R32F || + internalFormat === gl.RG16F || internalFormat === gl.RG32F || + internalFormat === gl.RGBA16F || internalFormat === gl.RGBA32F ) { + + extensions.get( 'EXT_color_buffer_float' ); + + } + + return internalFormat; + + } + + setTextureParameters( textureType, texture ) { + + const { gl, extensions, backend } = this; + + const { currentAnisotropy } = backend.get( texture ); + + gl.texParameteri( textureType, gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] ); + gl.texParameteri( textureType, gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] ); + + if ( textureType === gl.TEXTURE_3D || textureType === gl.TEXTURE_2D_ARRAY ) { + + gl.texParameteri( textureType, gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] ); + + } + + gl.texParameteri( textureType, gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] ); + + + // follow WebGPU backend mapping for texture filtering + const minFilter = ! texture.isVideoTexture && texture.minFilter === LinearFilter ? LinearMipmapLinearFilter : texture.minFilter; + + gl.texParameteri( textureType, gl.TEXTURE_MIN_FILTER, filterToGL[ minFilter ] ); + + if ( texture.compareFunction ) { + + gl.texParameteri( textureType, gl.TEXTURE_COMPARE_MODE, gl.COMPARE_REF_TO_TEXTURE ); + gl.texParameteri( textureType, gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] ); + + } + + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + + if ( texture.magFilter === NearestFilter ) return; + if ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return; + if ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2 + + if ( texture.anisotropy > 1 || currentAnisotropy !== texture.anisotropy ) { + + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, backend.getMaxAnisotropy() ) ); + backend.get( texture ).currentAnisotropy = texture.anisotropy; + + } + + } + + } + + createDefaultTexture( texture ) { + + const { gl, backend, defaultTextures } = this; + + + const glTextureType = this.getGLTextureType( texture ); + + let textureGPU = defaultTextures[ glTextureType ]; + + if ( textureGPU === undefined ) { + + textureGPU = gl.createTexture(); + + backend.state.bindTexture( glTextureType, textureGPU ); + gl.texParameteri( glTextureType, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( glTextureType, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + + // gl.texImage2D( glTextureType, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + + defaultTextures[ glTextureType ] = textureGPU; + + } + + backend.set( texture, { + textureGPU, + glTextureType, + isDefault: true + } ); + + } + + createTexture( texture, options ) { + + const { gl, backend } = this; + const { levels, width, height, depth } = options; + + const glFormat = backend.utils.convert( texture.format, texture.colorSpace ); + const glType = backend.utils.convert( texture.type ); + const glInternalFormat = this.getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture ); + + const textureGPU = gl.createTexture(); + const glTextureType = this.getGLTextureType( texture ); + + backend.state.bindTexture( glTextureType, textureGPU ); + + gl.pixelStorei( gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + gl.pixelStorei( gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + gl.pixelStorei( gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + gl.pixelStorei( gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE ); + + this.setTextureParameters( glTextureType, texture ); + + if ( texture.isDataArrayTexture ) { + + gl.texStorage3D( gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, width, height, depth ); + + } else if ( texture.isData3DTexture ) { + + gl.texStorage3D( gl.TEXTURE_3D, levels, glInternalFormat, width, height, depth ); + + } else if ( ! texture.isVideoTexture ) { + + gl.texStorage2D( glTextureType, levels, glInternalFormat, width, height ); + + } + + backend.set( texture, { + textureGPU, + glTextureType, + glFormat, + glType, + glInternalFormat + } ); + + } + + copyBufferToTexture( buffer, texture ) { + + const { gl, backend } = this; + + const { textureGPU, glTextureType, glFormat, glType } = backend.get( texture ); + + const { width, height } = texture.source.data; + + gl.bindBuffer( gl.PIXEL_UNPACK_BUFFER, buffer ); + + backend.state.bindTexture( glTextureType, textureGPU ); + + gl.pixelStorei( gl.UNPACK_FLIP_Y_WEBGL, false ); + gl.pixelStorei( gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false ); + gl.texSubImage2D( glTextureType, 0, 0, 0, width, height, glFormat, glType, 0 ); + + gl.bindBuffer( gl.PIXEL_UNPACK_BUFFER, null ); + + backend.state.unbindTexture(); + // debug + // const framebuffer = gl.createFramebuffer(); + // gl.bindFramebuffer( gl.FRAMEBUFFER, framebuffer ); + // gl.framebufferTexture2D( gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, glTextureType, textureGPU, 0 ); + + // const readout = new Float32Array( width * height * 4 ); + + // const altFormat = gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ); + // const altType = gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ); + + // gl.readPixels( 0, 0, width, height, altFormat, altType, readout ); + // gl.bindFramebuffer( gl.FRAMEBUFFER, null ); + // console.log( readout ); + + } + + updateTexture( texture, options ) { + + const { gl } = this; + const { width, height } = options; + const { textureGPU, glTextureType, glFormat, glType, glInternalFormat } = this.backend.get( texture ); + + if ( texture.isRenderTargetTexture || ( textureGPU === undefined /* unsupported texture format */ ) ) + return; + + const getImage = ( source ) => { + + if ( source.isDataTexture ) { + + return source.image.data; + + } else if ( source instanceof ImageBitmap || source instanceof OffscreenCanvas || source instanceof HTMLImageElement || source instanceof HTMLCanvasElement ) { + + return source; + + } + + return source.data; + + }; + + this.backend.state.bindTexture( glTextureType, textureGPU ); + + if ( texture.isCompressedTexture ) { + + const mipmaps = texture.mipmaps; + + for ( let i = 0; i < mipmaps.length; i ++ ) { + + const mipmap = mipmaps[ i ]; + + if ( texture.isCompressedArrayTexture ) { + + const image = options.image; + + if ( texture.format !== gl.RGBA ) { + + if ( glFormat !== null ) { + + gl.compressedTexSubImage3D( gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data, 0, 0 ); + + + } else { + + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); + + } + + } else { + + gl.texSubImage3D( gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data ); + + } + + } else { + + if ( glFormat !== null ) { + + gl.compressedTexSubImage2D( gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); + + } else { + + console.warn( 'Unsupported compressed texture format' ); + + } + + } + + } + + } else if ( texture.isCubeTexture ) { + + const images = options.images; + + for ( let i = 0; i < 6; i ++ ) { + + const image = getImage( images[ i ] ); + + gl.texSubImage2D( gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, width, height, glFormat, glType, image ); + + } + + } else if ( texture.isDataArrayTexture ) { + + const image = options.image; + + gl.texSubImage3D( gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + + } else if ( texture.isData3DTexture ) { + + const image = options.image; + + gl.texSubImage3D( gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + + } else if ( texture.isVideoTexture ) { + + texture.update(); + + gl.texImage2D( glTextureType, 0, glInternalFormat, glFormat, glType, options.image ); + + + } else { + + const image = getImage( options.image ); + + gl.texSubImage2D( glTextureType, 0, 0, 0, width, height, glFormat, glType, image ); + + } + + } + + generateMipmaps( texture ) { + + const { gl, backend } = this; + const { textureGPU, glTextureType } = backend.get( texture ); + + backend.state.bindTexture( glTextureType, textureGPU ); + gl.generateMipmap( glTextureType ); + + } + + deallocateRenderBuffers( renderTarget ) { + + + const { gl, backend } = this; + + // remove framebuffer reference + if ( renderTarget ) { + + const renderContextData = backend.get( renderTarget ); + + renderContextData.renderBufferStorageSetup = undefined; + + if ( renderContextData.framebuffer ) { + + gl.deleteFramebuffer( renderContextData.framebuffer ); + renderContextData.framebuffer = undefined; + + } + + if ( renderContextData.depthRenderbuffer ) { + + gl.deleteRenderbuffer( renderContextData.depthRenderbuffer ); + renderContextData.depthRenderbuffer = undefined; + + } + + if ( renderContextData.stencilRenderbuffer ) { + + gl.deleteRenderbuffer( renderContextData.stencilRenderbuffer ); + renderContextData.stencilRenderbuffer = undefined; + + } + + if ( renderContextData.msaaFrameBuffer ) { + + gl.deleteFramebuffer( renderContextData.msaaFrameBuffer ); + renderContextData.msaaFrameBuffer = undefined; + + } + + if ( renderContextData.msaaRenderbuffers ) { + + for ( let i = 0; i < renderContextData.msaaRenderbuffers.length; i ++ ) { + + gl.deleteRenderbuffer( renderContextData.msaaRenderbuffers[ i ] ); + + } + + renderContextData.msaaRenderbuffers = undefined; + + } + + } + + } + + destroyTexture( texture ) { + + const { gl, backend } = this; + const { textureGPU, renderTarget } = backend.get( texture ); + + this.deallocateRenderBuffers( renderTarget ); + gl.deleteTexture( textureGPU ); + + backend.delete( texture ); + + } + + copyTextureToTexture( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) { + + const { gl, backend } = this; + const { state } = this.backend; + + const { textureGPU: dstTextureGPU, glTextureType, glType, glFormat } = backend.get( dstTexture ); + + + let width, height, minX, minY; + let dstX, dstY; + if ( srcRegion !== null ) { + + width = srcRegion.max.x - srcRegion.min.x; + height = srcRegion.max.y - srcRegion.min.y; + minX = srcRegion.min.x; + minY = srcRegion.min.y; + + } else { + + width = srcTexture.image.width; + height = srcTexture.image.height; + minX = 0; + minY = 0; + + } + + if ( dstPosition !== null ) { + + dstX = dstPosition.x; + dstY = dstPosition.y; + + } else { + + dstX = 0; + dstY = 0; + + } + + state.bindTexture( glTextureType, dstTextureGPU ); + + // As another texture upload may have changed pixelStorei + // parameters, make sure they are correct for the dstTexture + gl.pixelStorei( gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment ); + gl.pixelStorei( gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY ); + gl.pixelStorei( gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha ); + gl.pixelStorei( gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment ); + + const currentUnpackRowLen = gl.getParameter( gl.UNPACK_ROW_LENGTH ); + const currentUnpackImageHeight = gl.getParameter( gl.UNPACK_IMAGE_HEIGHT ); + const currentUnpackSkipPixels = gl.getParameter( gl.UNPACK_SKIP_PIXELS ); + const currentUnpackSkipRows = gl.getParameter( gl.UNPACK_SKIP_ROWS ); + const currentUnpackSkipImages = gl.getParameter( gl.UNPACK_SKIP_IMAGES ); + + const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ level ] : srcTexture.image; + + gl.pixelStorei( gl.UNPACK_ROW_LENGTH, image.width ); + gl.pixelStorei( gl.UNPACK_IMAGE_HEIGHT, image.height ); + gl.pixelStorei( gl.UNPACK_SKIP_PIXELS, minX ); + gl.pixelStorei( gl.UNPACK_SKIP_ROWS, minY ); + + + if ( srcTexture.isDataTexture ) { + + gl.texSubImage2D( gl.TEXTURE_2D, level, dstX, dstY, width, height, glFormat, glType, image.data ); + + } else { + + if ( srcTexture.isCompressedTexture ) { + + gl.compressedTexSubImage2D( gl.TEXTURE_2D, level, dstX, dstY, image.width, image.height, glFormat, image.data ); + + } else { + + gl.texSubImage2D( gl.TEXTURE_2D, level, dstX, dstY, width, height, glFormat, glType, image ); + + } + + } + + gl.pixelStorei( gl.UNPACK_ROW_LENGTH, currentUnpackRowLen ); + gl.pixelStorei( gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight ); + gl.pixelStorei( gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels ); + gl.pixelStorei( gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows ); + gl.pixelStorei( gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages ); + + // Generate mipmaps only when copying level 0 + if ( level === 0 && dstTexture.generateMipmaps ) gl.generateMipmap( gl.TEXTURE_2D ); + + state.unbindTexture(); + + } + + copyFramebufferToTexture( texture, renderContext ) { + + const { gl } = this; + const { state } = this.backend; + + const { textureGPU } = this.backend.get( texture ); + + const width = texture.image.width; + const height = texture.image.height; + + const requireDrawFrameBuffer = texture.isDepthTexture === true || ( renderContext.renderTarget && renderContext.renderTarget.samples > 0 ); + + if ( requireDrawFrameBuffer ) { + + let mask; + let attachment; + + if ( texture.isDepthTexture === true ) { + + mask = gl.DEPTH_BUFFER_BIT; + attachment = gl.DEPTH_ATTACHMENT; + + if ( renderContext.stencil ) { + + mask |= gl.STENCIL_BUFFER_BIT; + + } + + } else { + + mask = gl.COLOR_BUFFER_BIT; + attachment = gl.COLOR_ATTACHMENT0; + + } + + const fb = gl.createFramebuffer(); + state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, fb ); + + gl.framebufferTexture2D( gl.DRAW_FRAMEBUFFER, attachment, gl.TEXTURE_2D, textureGPU, 0 ); + + gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, gl.NEAREST ); + + gl.deleteFramebuffer( fb ); + + } else { + + state.bindTexture( gl.TEXTURE_2D, textureGPU ); + gl.copyTexSubImage2D( gl.TEXTURE_2D, 0, 0, 0, 0, 0, width, height ); + + state.unbindTexture(); + + } + + if ( texture.generateMipmaps ) this.generateMipmaps( texture ); + + this.backend._setFramebuffer( renderContext ); + + } + + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + setupRenderBufferStorage( renderbuffer, renderContext ) { + + const { gl } = this; + const renderTarget = renderContext.renderTarget; + + const { samples, depthTexture, depthBuffer, stencilBuffer, width, height } = renderTarget; + + gl.bindRenderbuffer( gl.RENDERBUFFER, renderbuffer ); + + if ( depthBuffer && ! stencilBuffer ) { + + let glInternalFormat = gl.DEPTH_COMPONENT24; + + if ( samples > 0 ) { + + if ( depthTexture && depthTexture.isDepthTexture ) { + + if ( depthTexture.type === gl.FLOAT ) { + + glInternalFormat = gl.DEPTH_COMPONENT32F; + + } + + } + + gl.renderbufferStorageMultisample( gl.RENDERBUFFER, samples, glInternalFormat, width, height ); + + } else { + + gl.renderbufferStorage( gl.RENDERBUFFER, glInternalFormat, width, height ); + + } + + gl.framebufferRenderbuffer( gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, renderbuffer ); + + } else if ( depthBuffer && stencilBuffer ) { + + if ( samples > 0 ) { + + gl.renderbufferStorageMultisample( gl.RENDERBUFFER, samples, gl.DEPTH24_STENCIL8, width, height ); + + } else { + + gl.renderbufferStorage( gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height ); + + } + + + gl.framebufferRenderbuffer( gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, gl.RENDERBUFFER, renderbuffer ); + + } + + } + + async copyTextureToBuffer( texture, x, y, width, height ) { + + const { backend, gl } = this; + + const { textureGPU, glFormat, glType } = this.backend.get( texture ); + + const fb = gl.createFramebuffer(); + + gl.bindFramebuffer( gl.READ_FRAMEBUFFER, fb ); + gl.framebufferTexture2D( gl.READ_FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, textureGPU, 0 ); + + const typedArrayType = this._getTypedArrayType( glType ); + const bytesPerTexel = this._getBytesPerTexel( glFormat ); + + const elementCount = width * height; + const byteLength = elementCount * bytesPerTexel; + + const buffer = gl.createBuffer(); + + gl.bindBuffer( gl.PIXEL_PACK_BUFFER, buffer ); + gl.bufferData( gl.PIXEL_PACK_BUFFER, byteLength, gl.STREAM_READ ); + gl.readPixels( x, y, width, height, glFormat, glType, 0 ); + gl.bindBuffer( gl.PIXEL_PACK_BUFFER, null ); + + await backend.utils._clientWaitAsync(); + + const dstBuffer = new typedArrayType( byteLength / typedArrayType.BYTES_PER_ELEMENT ); + + gl.bindBuffer( gl.PIXEL_PACK_BUFFER, buffer ); + gl.getBufferSubData( gl.PIXEL_PACK_BUFFER, 0, dstBuffer ); + gl.bindBuffer( gl.PIXEL_PACK_BUFFER, null ); + + gl.deleteFramebuffer( fb ); + + return dstBuffer; + + } + + _getTypedArrayType( glType ) { + + const { gl } = this; + + if ( glType === gl.UNSIGNED_BYTE ) return Uint8Array; + + if ( glType === gl.UNSIGNED_SHORT_4_4_4_4 ) return Uint16Array; + if ( glType === gl.UNSIGNED_SHORT_5_5_5_1 ) return Uint16Array; + if ( glType === gl.UNSIGNED_SHORT_5_6_5 ) return Uint16Array; + if ( glType === gl.UNSIGNED_SHORT ) return Uint16Array; + if ( glType === gl.UNSIGNED_INT ) return Uint32Array; + + if ( glType === gl.FLOAT ) return Float32Array; + + throw new Error( `Unsupported WebGL type: ${glType}` ); + + } + + _getBytesPerTexel( glFormat ) { + + const { gl } = this; + + if ( glFormat === gl.RGBA ) return 4; + if ( glFormat === gl.RGB ) return 3; + if ( glFormat === gl.ALPHA ) return 1; + + } + +} + +class WebGLExtensions { + + constructor( backend ) { + + this.backend = backend; + + this.gl = this.backend.gl; + this.availableExtensions = this.gl.getSupportedExtensions(); + + this.extensions = {}; + + } + + get( name ) { + + let extension = this.extensions[ name ]; + + if ( extension === undefined ) { + + extension = this.gl.getExtension( name ); + + this.extensions[ name ] = extension; + + } + + return extension; + + } + + has( name ) { + + return this.availableExtensions.includes( name ); + + } + +} + +class WebGLCapabilities { + + constructor( backend ) { + + this.backend = backend; + + this.maxAnisotropy = null; + + } + + getMaxAnisotropy() { + + if ( this.maxAnisotropy !== null ) return this.maxAnisotropy; + + const gl = this.backend.gl; + const extensions = this.backend.extensions; + + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + this.maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + + } else { + + this.maxAnisotropy = 0; + + } + + return this.maxAnisotropy; + + } + +} + +const GLFeatureName = { + + 'WEBGL_multi_draw': 'WEBGL_multi_draw', + 'WEBGL_compressed_texture_astc': 'texture-compression-astc', + 'WEBGL_compressed_texture_etc': 'texture-compression-etc2', + 'WEBGL_compressed_texture_etc1': 'texture-compression-etc1', + 'WEBGL_compressed_texture_pvrtc': 'texture-compression-pvrtc', + 'WEBKIT_WEBGL_compressed_texture_pvrtc': 'texture-compression-pvrtc', + 'WEBGL_compressed_texture_s3tc': 'texture-compression-bc', + 'EXT_texture_compression_bptc': 'texture-compression-bptc', + 'EXT_disjoint_timer_query_webgl2': 'timestamp-query', + +}; + +class WebGLBufferRenderer { + + constructor( backend ) { + + this.gl = backend.gl; + this.extensions = backend.extensions; + this.info = backend.renderer.info; + this.mode = null; + this.index = 0; + this.type = null; + this.object = null; + + } + + render( start, count ) { + + const { gl, mode, object, type, info, index } = this; + + if ( index !== 0 ) { + + gl.drawElements( mode, count, type, start ); + + } else { + + gl.drawArrays( mode, start, count ); + + } + + info.update( object, count, mode, 1 ); + + } + + renderInstances( start, count, primcount ) { + + const { gl, mode, type, index, object, info } = this; + + if ( primcount === 0 ) return; + + if ( index !== 0 ) { + + gl.drawElementsInstanced( mode, count, type, start, primcount ); + + } else { + + gl.drawArraysInstanced( mode, start, count, primcount ); + + } + + info.update( object, count, mode, primcount ); + + } + + renderMultiDraw( starts, counts, drawCount ) { + + const { extensions, mode, object, info } = this; + + if ( drawCount === 0 ) return; + + const extension = extensions.get( 'WEBGL_multi_draw' ); + + if ( extension === null ) { + + for ( let i = 0; i < drawCount; i ++ ) { + + this.render( starts[ i ], counts[ i ] ); + + } + + } else { + + if ( this.index !== 0 ) { + + extension.multiDrawElementsWEBGL( mode, counts, 0, this.type, starts, 0, drawCount ); + + } else { + + extension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount ); + + } + + let elementCount = 0; + for ( let i = 0; i < drawCount; i ++ ) { + + elementCount += counts[ i ]; + + } + + info.update( object, elementCount, mode, 1 ); + + } + + } + + renderMultiDrawInstances( starts, counts, drawCount, primcount ) { + + const { extensions, mode, object, info } = this; + + if ( drawCount === 0 ) return; + + const extension = extensions.get( 'WEBGL_multi_draw' ); + + if ( extension === null ) { + + for ( let i = 0; i < drawCount; i ++ ) { + + this.renderInstances( starts[ i ], counts[ i ], primcount[ i ] ); + + } + + } else { + + if ( this.index !== 0 ) { + + extension.multiDrawElementsInstancedWEBGL( mode, counts, 0, this.type, starts, 0, primcount, 0, drawCount ); + + } else { + + extension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount ); + + } + + let elementCount = 0; + + for ( let i = 0; i < drawCount; i ++ ) { + + elementCount += counts[ i ]; + + } + + for ( let i = 0; i < primcount.length; i ++ ) { + + info.update( object, elementCount, mode, primcount[ i ] ); + + } + + } + + } + + // + +} + +// + +class WebGLBackend extends Backend { + + constructor( parameters = {} ) { + + super( parameters ); + + this.isWebGLBackend = true; + + } + + init( renderer ) { + + super.init( renderer ); + + // + + const parameters = this.parameters; + + const glContext = ( parameters.context !== undefined ) ? parameters.context : renderer.domElement.getContext( 'webgl2' ); + + this.gl = glContext; + + this.extensions = new WebGLExtensions( this ); + this.capabilities = new WebGLCapabilities( this ); + this.attributeUtils = new WebGLAttributeUtils( this ); + this.textureUtils = new WebGLTextureUtils( this ); + this.bufferRenderer = new WebGLBufferRenderer( this ); + + this.state = new WebGLState( this ); + this.utils = new WebGLUtils( this ); + + this.vaoCache = {}; + this.transformFeedbackCache = {}; + this.discard = false; + this.trackTimestamp = ( parameters.trackTimestamp === true ); + + this.extensions.get( 'EXT_color_buffer_float' ); + this.extensions.get( 'WEBGL_multi_draw' ); + + this.disjoint = this.extensions.get( 'EXT_disjoint_timer_query_webgl2' ); + this.parallel = this.extensions.get( 'KHR_parallel_shader_compile' ); + this._currentContext = null; + + } + + get coordinateSystem() { + + return WebGLCoordinateSystem; + + } + + async getArrayBufferAsync( attribute ) { + + return await this.attributeUtils.getArrayBufferAsync( attribute ); + + } + + + initTimestampQuery( renderContext ) { + + if ( ! this.disjoint || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + if ( this.queryRunning ) { + + if ( ! renderContextData.queryQueue ) renderContextData.queryQueue = []; + renderContextData.queryQueue.push( renderContext ); + return; + + } + + if ( renderContextData.activeQuery ) { + + this.gl.endQuery( this.disjoint.TIME_ELAPSED_EXT ); + renderContextData.activeQuery = null; + + } + + renderContextData.activeQuery = this.gl.createQuery(); + + if ( renderContextData.activeQuery !== null ) { + + this.gl.beginQuery( this.disjoint.TIME_ELAPSED_EXT, renderContextData.activeQuery ); + this.queryRunning = true; + + } + + } + + // timestamp utils + + prepareTimestampBuffer( renderContext ) { + + if ( ! this.disjoint || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + if ( renderContextData.activeQuery ) { + + this.gl.endQuery( this.disjoint.TIME_ELAPSED_EXT ); + + if ( ! renderContextData.gpuQueries ) renderContextData.gpuQueries = []; + renderContextData.gpuQueries.push( { query: renderContextData.activeQuery } ); + renderContextData.activeQuery = null; + this.queryRunning = false; + + if ( renderContextData.queryQueue && renderContextData.queryQueue.length > 0 ) { + + const nextRenderContext = renderContextData.queryQueue.shift(); + this.initTimestampQuery( nextRenderContext ); + + } + + } + + } + + async resolveTimestampAsync( renderContext, type = 'render' ) { + + if ( ! this.disjoint || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + if ( ! renderContextData.gpuQueries ) renderContextData.gpuQueries = []; + + for ( let i = 0; i < renderContextData.gpuQueries.length; i ++ ) { + + const queryInfo = renderContextData.gpuQueries[ i ]; + const available = this.gl.getQueryParameter( queryInfo.query, this.gl.QUERY_RESULT_AVAILABLE ); + const disjoint = this.gl.getParameter( this.disjoint.GPU_DISJOINT_EXT ); + + if ( available && ! disjoint ) { + + const elapsed = this.gl.getQueryParameter( queryInfo.query, this.gl.QUERY_RESULT ); + const duration = Number( elapsed ) / 1000000; // Convert nanoseconds to milliseconds + this.gl.deleteQuery( queryInfo.query ); + renderContextData.gpuQueries.splice( i, 1 ); // Remove the processed query + i --; + this.renderer.info.updateTimestamp( type, duration ); + + } + + } + + } + + getContext() { + + return this.gl; + + } + + beginRender( renderContext ) { + + const { gl } = this; + const renderContextData = this.get( renderContext ); + + // + + // + + this.initTimestampQuery( renderContext ); + + renderContextData.previousContext = this._currentContext; + this._currentContext = renderContext; + + this._setFramebuffer( renderContext ); + + this.clear( renderContext.clearColor, renderContext.clearDepth, renderContext.clearStencil, renderContext, false ); + + // + if ( renderContext.viewport ) { + + this.updateViewport( renderContext ); + + } else { + + gl.viewport( 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight ); + + } + + if ( renderContext.scissor ) { + + const { x, y, width, height } = renderContext.scissorValue; + + gl.scissor( x, y, width, height ); + + } + + const occlusionQueryCount = renderContext.occlusionQueryCount; + + if ( occlusionQueryCount > 0 ) { + + // Get a reference to the array of objects with queries. The renderContextData property + // can be changed by another render pass before the async reading of all previous queries complete + renderContextData.currentOcclusionQueries = renderContextData.occlusionQueries; + renderContextData.currentOcclusionQueryObjects = renderContextData.occlusionQueryObjects; + + renderContextData.lastOcclusionObject = null; + renderContextData.occlusionQueries = new Array( occlusionQueryCount ); + renderContextData.occlusionQueryObjects = new Array( occlusionQueryCount ); + renderContextData.occlusionQueryIndex = 0; + + } + + } + + finishRender( renderContext ) { + + const { gl, state } = this; + const renderContextData = this.get( renderContext ); + const previousContext = renderContextData.previousContext; + + const textures = renderContext.textures; + + if ( textures !== null ) { + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + + if ( texture.generateMipmaps ) { + + this.generateMipmaps( texture ); + + } + + } + + } + + this._currentContext = previousContext; + + + if ( renderContext.textures !== null && renderContext.renderTarget ) { + + const renderTargetContextData = this.get( renderContext.renderTarget ); + + const { samples } = renderContext.renderTarget; + const fb = renderTargetContextData.framebuffer; + + const mask = gl.COLOR_BUFFER_BIT; + + if ( samples > 0 ) { + + const msaaFrameBuffer = renderTargetContextData.msaaFrameBuffer; + + const textures = renderContext.textures; + + state.bindFramebuffer( gl.READ_FRAMEBUFFER, msaaFrameBuffer ); + state.bindFramebuffer( gl.DRAW_FRAMEBUFFER, fb ); + + for ( let i = 0; i < textures.length; i ++ ) { + + // TODO Add support for MRT + + gl.blitFramebuffer( 0, 0, renderContext.width, renderContext.height, 0, 0, renderContext.width, renderContext.height, mask, gl.NEAREST ); + + gl.invalidateFramebuffer( gl.READ_FRAMEBUFFER, renderTargetContextData.invalidationArray ); + + } + + } + + + } + + if ( previousContext !== null ) { + + this._setFramebuffer( previousContext ); + + if ( previousContext.viewport ) { + + this.updateViewport( previousContext ); + + } else { + + const gl = this.gl; + + gl.viewport( 0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight ); + + } + + } + + const occlusionQueryCount = renderContext.occlusionQueryCount; + + if ( occlusionQueryCount > 0 ) { + + const renderContextData = this.get( renderContext ); + + if ( occlusionQueryCount > renderContextData.occlusionQueryIndex ) { + + const { gl } = this; + + gl.endQuery( gl.ANY_SAMPLES_PASSED ); + + } + + this.resolveOccludedAsync( renderContext ); + + } + + this.prepareTimestampBuffer( renderContext ); + + } + + resolveOccludedAsync( renderContext ) { + + const renderContextData = this.get( renderContext ); + + // handle occlusion query results + + const { currentOcclusionQueries, currentOcclusionQueryObjects } = renderContextData; + + if ( currentOcclusionQueries && currentOcclusionQueryObjects ) { + + const occluded = new WeakSet(); + const { gl } = this; + + renderContextData.currentOcclusionQueryObjects = null; + renderContextData.currentOcclusionQueries = null; + + const check = () => { + + let completed = 0; + + // check all queries and requeue as appropriate + for ( let i = 0; i < currentOcclusionQueries.length; i ++ ) { + + const query = currentOcclusionQueries[ i ]; + + if ( query === null ) continue; + + if ( gl.getQueryParameter( query, gl.QUERY_RESULT_AVAILABLE ) ) { + + if ( gl.getQueryParameter( query, gl.QUERY_RESULT ) > 0 ) occluded.add( currentOcclusionQueryObjects[ i ] ); + + currentOcclusionQueries[ i ] = null; + gl.deleteQuery( query ); + + completed ++; + + } + + } + + if ( completed < currentOcclusionQueries.length ) { + + requestAnimationFrame( check ); + + } else { + + renderContextData.occluded = occluded; + + } + + }; + + check(); + + } + + } + + isOccluded( renderContext, object ) { + + const renderContextData = this.get( renderContext ); + + return renderContextData.occluded && renderContextData.occluded.has( object ); + + } + + updateViewport( renderContext ) { + + const gl = this.gl; + const { x, y, width, height } = renderContext.viewportValue; + + gl.viewport( x, y, width, height ); + + } + + setScissorTest( boolean ) { + + const gl = this.gl; + + if ( boolean ) { + + gl.enable( gl.SCISSOR_TEST ); + + } else { + + gl.disable( gl.SCISSOR_TEST ); + + } + + } + + clear( color, depth, stencil, descriptor = null, setFrameBuffer = true ) { + + const { gl } = this; + + if ( descriptor === null ) { + + descriptor = { + textures: null, + clearColorValue: this.getClearColor() + }; + + } + + // + + let clear = 0; + + if ( color ) clear |= gl.COLOR_BUFFER_BIT; + if ( depth ) clear |= gl.DEPTH_BUFFER_BIT; + if ( stencil ) clear |= gl.STENCIL_BUFFER_BIT; + + if ( clear !== 0 ) { + + const clearColor = descriptor.clearColorValue || this.getClearColor(); + + if ( depth ) this.state.setDepthMask( true ); + + if ( descriptor.textures === null ) { + + gl.clearColor( clearColor.r, clearColor.g, clearColor.b, clearColor.a ); + gl.clear( clear ); + + } else { + + if ( setFrameBuffer ) this._setFramebuffer( descriptor ); + + if ( color ) { + + for ( let i = 0; i < descriptor.textures.length; i ++ ) { + + gl.clearBufferfv( gl.COLOR, i, [ clearColor.r, clearColor.g, clearColor.b, clearColor.a ] ); + + } + + } + + if ( depth && stencil ) { + + gl.clearBufferfi( gl.DEPTH_STENCIL, 0, 1, 0 ); + + } else if ( depth ) { + + gl.clearBufferfv( gl.DEPTH, 0, [ 1.0 ] ); + + } else if ( stencil ) { + + gl.clearBufferiv( gl.STENCIL, 0, [ 0 ] ); + + } + + } + + } + + } + + beginCompute( computeGroup ) { + + const gl = this.gl; + + gl.bindFramebuffer( gl.FRAMEBUFFER, null ); + this.initTimestampQuery( computeGroup ); + + } + + compute( computeGroup, computeNode, bindings, pipeline ) { + + const gl = this.gl; + + if ( ! this.discard ) { + + // required here to handle async behaviour of render.compute() + gl.enable( gl.RASTERIZER_DISCARD ); + this.discard = true; + + } + + const { programGPU, transformBuffers, attributes } = this.get( pipeline ); + + const vaoKey = this._getVaoKey( null, attributes ); + + const vaoGPU = this.vaoCache[ vaoKey ]; + + if ( vaoGPU === undefined ) { + + this._createVao( null, attributes ); + + } else { + + gl.bindVertexArray( vaoGPU ); + + } + + gl.useProgram( programGPU ); + + this._bindUniforms( bindings ); + + const transformFeedbackGPU = this._getTransformFeedback( transformBuffers ); + + gl.bindTransformFeedback( gl.TRANSFORM_FEEDBACK, transformFeedbackGPU ); + gl.beginTransformFeedback( gl.POINTS ); + + if ( attributes[ 0 ].isStorageInstancedBufferAttribute ) { + + gl.drawArraysInstanced( gl.POINTS, 0, 1, computeNode.count ); + + } else { + + gl.drawArrays( gl.POINTS, 0, computeNode.count ); + + } + + gl.endTransformFeedback(); + gl.bindTransformFeedback( gl.TRANSFORM_FEEDBACK, null ); + + // switch active buffers + + for ( let i = 0; i < transformBuffers.length; i ++ ) { + + const dualAttributeData = transformBuffers[ i ]; + + if ( dualAttributeData.pbo ) { + + this.textureUtils.copyBufferToTexture( dualAttributeData.transformBuffer, dualAttributeData.pbo ); + + } + + dualAttributeData.switchBuffers(); + + + } + + } + + finishCompute( computeGroup ) { + + const gl = this.gl; + + this.discard = false; + + gl.disable( gl.RASTERIZER_DISCARD ); + + this.prepareTimestampBuffer( computeGroup ); + + } + + draw( renderObject/*, info*/ ) { + + const { object, pipeline, material, context } = renderObject; + const { programGPU } = this.get( pipeline ); + + const { gl, state } = this; + + const contextData = this.get( context ); + + // + + this._bindUniforms( renderObject.getBindings() ); + + const frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 ); + + state.setMaterial( material, frontFaceCW ); + + gl.useProgram( programGPU ); + + // + + let vaoGPU = renderObject.staticVao; + + if ( vaoGPU === undefined ) { + + const vaoKey = this._getVaoKey( renderObject.getIndex(), renderObject.getAttributes() ); + + vaoGPU = this.vaoCache[ vaoKey ]; + + if ( vaoGPU === undefined ) { + + let staticVao; + + ( { vaoGPU, staticVao } = this._createVao( renderObject.getIndex(), renderObject.getAttributes() ) ); + + if ( staticVao ) renderObject.staticVao = vaoGPU; + + } + + } + + gl.bindVertexArray( vaoGPU ); + + // + + const index = renderObject.getIndex(); + + const geometry = renderObject.geometry; + const drawRange = renderObject.drawRange; + const firstVertex = drawRange.start; + + // + + const lastObject = contextData.lastOcclusionObject; + + if ( lastObject !== object && lastObject !== undefined ) { + + if ( lastObject !== null && lastObject.occlusionTest === true ) { + + gl.endQuery( gl.ANY_SAMPLES_PASSED ); + + contextData.occlusionQueryIndex ++; + + } + + if ( object.occlusionTest === true ) { + + const query = gl.createQuery(); + + gl.beginQuery( gl.ANY_SAMPLES_PASSED, query ); + + contextData.occlusionQueries[ contextData.occlusionQueryIndex ] = query; + contextData.occlusionQueryObjects[ contextData.occlusionQueryIndex ] = object; + + } + + contextData.lastOcclusionObject = object; + + } + + // + + const renderer = this.bufferRenderer; + + if ( object.isPoints ) renderer.mode = gl.POINTS; + else if ( object.isLineSegments ) renderer.mode = gl.LINES; + else if ( object.isLine ) renderer.mode = gl.LINE_STRIP; + else if ( object.isLineLoop ) renderer.mode = gl.LINE_LOOP; + else { + + if ( material.wireframe === true ) { + + state.setLineWidth( material.wireframeLinewidth * this.renderer.getPixelRatio() ); + renderer.mode = gl.LINES; + + } else { + + renderer.mode = gl.TRIANGLES; + + } + + } + + // + + + let count; + + renderer.object = object; + + if ( index !== null ) { + + const indexData = this.get( index ); + const indexCount = ( drawRange.count !== Infinity ) ? drawRange.count : index.count; + + renderer.index = index.count; + renderer.type = indexData.type; + + count = indexCount; + + } else { + + renderer.index = 0; + + const vertexCount = ( drawRange.count !== Infinity ) ? drawRange.count : geometry.attributes.position.count; + + count = vertexCount; + + } + + const instanceCount = this.getInstanceCount( renderObject ); + + if ( object.isBatchedMesh ) { + + if ( object._multiDrawInstances !== null ) { + + renderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances ); + + } else if ( ! this.hasFeature( 'WEBGL_multi_draw' ) ) { + + warnOnce( 'THREE.WebGLRenderer: WEBGL_multi_draw not supported.' ); + + } else { + + renderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount ); + + } + + } else if ( instanceCount > 1 ) { + + renderer.renderInstances( firstVertex, count, instanceCount ); + + } else { + + renderer.render( firstVertex, count ); + + } + // + + gl.bindVertexArray( null ); + + } + + needsRenderUpdate( /*renderObject*/ ) { + + return false; + + } + + getRenderCacheKey( renderObject ) { + + return renderObject.id; + + } + + // textures + + createDefaultTexture( texture ) { + + this.textureUtils.createDefaultTexture( texture ); + + } + + createTexture( texture, options ) { + + this.textureUtils.createTexture( texture, options ); + + } + + updateTexture( texture, options ) { + + this.textureUtils.updateTexture( texture, options ); + + } + + generateMipmaps( texture ) { + + this.textureUtils.generateMipmaps( texture ); + + } + + + destroyTexture( texture ) { + + this.textureUtils.destroyTexture( texture ); + + } + + copyTextureToBuffer( texture, x, y, width, height ) { + + return this.textureUtils.copyTextureToBuffer( texture, x, y, width, height ); + + } + + createSampler( /*texture*/ ) { + + //console.warn( 'Abstract class.' ); + + } + + destroySampler() {} + + // node builder + + createNodeBuilder( object, renderer ) { + + return new GLSLNodeBuilder( object, renderer ); + + } + + // program + + createProgram( program ) { + + const gl = this.gl; + const { stage, code } = program; + + const shader = stage === 'fragment' ? gl.createShader( gl.FRAGMENT_SHADER ) : gl.createShader( gl.VERTEX_SHADER ); + + gl.shaderSource( shader, code ); + gl.compileShader( shader ); + + this.set( program, { + shaderGPU: shader + } ); + + } + + destroyProgram( /*program*/ ) { + + console.warn( 'Abstract class.' ); + + } + + createRenderPipeline( renderObject, promises ) { + + const gl = this.gl; + const pipeline = renderObject.pipeline; + + // Program + + const { fragmentProgram, vertexProgram } = pipeline; + + const programGPU = gl.createProgram(); + + const fragmentShader = this.get( fragmentProgram ).shaderGPU; + const vertexShader = this.get( vertexProgram ).shaderGPU; + + gl.attachShader( programGPU, fragmentShader ); + gl.attachShader( programGPU, vertexShader ); + gl.linkProgram( programGPU ); + + this.set( pipeline, { + programGPU, + fragmentShader, + vertexShader + } ); + + if ( promises !== null && this.parallel ) { + + const p = new Promise( ( resolve /*, reject*/ ) => { + + const parallel = this.parallel; + const checkStatus = () => { + + if ( gl.getProgramParameter( programGPU, parallel.COMPLETION_STATUS_KHR ) ) { + + this._completeCompile( renderObject, pipeline ); + resolve(); + + } else { + + requestAnimationFrame( checkStatus ); + + } + + }; + + checkStatus(); + + } ); + + promises.push( p ); + + return; + + } + + this._completeCompile( renderObject, pipeline ); + + } + + _handleSource( string, errorLine ) { + + const lines = string.split( '\n' ); + const lines2 = []; + + const from = Math.max( errorLine - 6, 0 ); + const to = Math.min( errorLine + 6, lines.length ); + + for ( let i = from; i < to; i ++ ) { + + const line = i + 1; + lines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` ); + + } + + return lines2.join( '\n' ); + + } + + _getShaderErrors( gl, shader, type ) { + + const status = gl.getShaderParameter( shader, gl.COMPILE_STATUS ); + const errors = gl.getShaderInfoLog( shader ).trim(); + + if ( status && errors === '' ) return ''; + + const errorMatches = /ERROR: 0:(\d+)/.exec( errors ); + if ( errorMatches ) { + + const errorLine = parseInt( errorMatches[ 1 ] ); + return type.toUpperCase() + '\n\n' + errors + '\n\n' + this._handleSource( gl.getShaderSource( shader ), errorLine ); + + } else { + + return errors; + + } + + } + + _logProgramError( programGPU, glFragmentShader, glVertexShader ) { + + if ( this.renderer.debug.checkShaderErrors ) { + + const gl = this.gl; + + const programLog = gl.getProgramInfoLog( programGPU ).trim(); + + if ( gl.getProgramParameter( programGPU, gl.LINK_STATUS ) === false ) { + + + if ( typeof this.renderer.debug.onShaderError === 'function' ) { + + this.renderer.debug.onShaderError( gl, programGPU, glVertexShader, glFragmentShader ); + + } else { + + // default error reporting + + const vertexErrors = this._getShaderErrors( gl, glVertexShader, 'vertex' ); + const fragmentErrors = this._getShaderErrors( gl, glFragmentShader, 'fragment' ); + + console.error( + 'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' + + 'VALIDATE_STATUS ' + gl.getProgramParameter( programGPU, gl.VALIDATE_STATUS ) + '\n\n' + + 'Program Info Log: ' + programLog + '\n' + + vertexErrors + '\n' + + fragmentErrors + ); + + } + + } else if ( programLog !== '' ) { + + console.warn( 'THREE.WebGLProgram: Program Info Log:', programLog ); + + } + + } + + } + + _completeCompile( renderObject, pipeline ) { + + const gl = this.gl; + const pipelineData = this.get( pipeline ); + const { programGPU, fragmentShader, vertexShader } = pipelineData; + + if ( gl.getProgramParameter( programGPU, gl.LINK_STATUS ) === false ) { + + this._logProgramError( programGPU, fragmentShader, vertexShader ); + + } + + gl.useProgram( programGPU ); + + // Bindings + + const bindings = renderObject.getBindings(); + + this._setupBindings( bindings, programGPU ); + + // + + this.set( pipeline, { + programGPU + } ); + + } + + createComputePipeline( computePipeline, bindings ) { + + const gl = this.gl; + + // Program + + const fragmentProgram = { + stage: 'fragment', + code: '#version 300 es\nprecision highp float;\nvoid main() {}' + }; + + this.createProgram( fragmentProgram ); + + const { computeProgram } = computePipeline; + + const programGPU = gl.createProgram(); + + const fragmentShader = this.get( fragmentProgram ).shaderGPU; + const vertexShader = this.get( computeProgram ).shaderGPU; + + const transforms = computeProgram.transforms; + + const transformVaryingNames = []; + const transformAttributeNodes = []; + + for ( let i = 0; i < transforms.length; i ++ ) { + + const transform = transforms[ i ]; + + transformVaryingNames.push( transform.varyingName ); + transformAttributeNodes.push( transform.attributeNode ); + + } + + gl.attachShader( programGPU, fragmentShader ); + gl.attachShader( programGPU, vertexShader ); + + gl.transformFeedbackVaryings( + programGPU, + transformVaryingNames, + gl.SEPARATE_ATTRIBS + ); + + gl.linkProgram( programGPU ); + + if ( gl.getProgramParameter( programGPU, gl.LINK_STATUS ) === false ) { + + this._logProgramError( programGPU, fragmentShader, vertexShader ); + + + } + + gl.useProgram( programGPU ); + + // Bindings + + this.createBindings( null, bindings ); + + this._setupBindings( bindings, programGPU ); + + const attributeNodes = computeProgram.attributes; + const attributes = []; + const transformBuffers = []; + + for ( let i = 0; i < attributeNodes.length; i ++ ) { + + const attribute = attributeNodes[ i ].node.attribute; + + attributes.push( attribute ); + + if ( ! this.has( attribute ) ) this.attributeUtils.createAttribute( attribute, gl.ARRAY_BUFFER ); + + } + + for ( let i = 0; i < transformAttributeNodes.length; i ++ ) { + + const attribute = transformAttributeNodes[ i ].attribute; + + if ( ! this.has( attribute ) ) this.attributeUtils.createAttribute( attribute, gl.ARRAY_BUFFER ); + + const attributeData = this.get( attribute ); + + transformBuffers.push( attributeData ); + + } + + // + + this.set( computePipeline, { + programGPU, + transformBuffers, + attributes + } ); + + } + + createBindings( bindGroup, bindings ) { + + this.updateBindings( bindGroup, bindings ); + + } + + updateBindings( bindGroup, bindings ) { + + const { gl } = this; + + let groupIndex = 0; + let textureIndex = 0; + + for ( const bindGroup of bindings ) { + + for ( const binding of bindGroup.bindings ) { + + if ( binding.isUniformsGroup || binding.isUniformBuffer ) { + + const bufferGPU = gl.createBuffer(); + const data = binding.buffer; + + gl.bindBuffer( gl.UNIFORM_BUFFER, bufferGPU ); + gl.bufferData( gl.UNIFORM_BUFFER, data, gl.DYNAMIC_DRAW ); + gl.bindBufferBase( gl.UNIFORM_BUFFER, groupIndex, bufferGPU ); + + this.set( binding, { + index: groupIndex ++, + bufferGPU + } ); + + } else if ( binding.isSampledTexture ) { + + const { textureGPU, glTextureType } = this.get( binding.texture ); + + this.set( binding, { + index: textureIndex ++, + textureGPU, + glTextureType + } ); + + } + + } + + } + + } + + updateBinding( binding ) { + + const gl = this.gl; + + if ( binding.isUniformsGroup || binding.isUniformBuffer ) { + + const bindingData = this.get( binding ); + const bufferGPU = bindingData.bufferGPU; + const data = binding.buffer; + + gl.bindBuffer( gl.UNIFORM_BUFFER, bufferGPU ); + gl.bufferData( gl.UNIFORM_BUFFER, data, gl.DYNAMIC_DRAW ); + + } + + } + + // attributes + + createIndexAttribute( attribute ) { + + const gl = this.gl; + + this.attributeUtils.createAttribute( attribute, gl.ELEMENT_ARRAY_BUFFER ); + + } + + createAttribute( attribute ) { + + if ( this.has( attribute ) ) return; + + const gl = this.gl; + + this.attributeUtils.createAttribute( attribute, gl.ARRAY_BUFFER ); + + } + + createStorageAttribute( attribute ) { + + if ( this.has( attribute ) ) return; + + const gl = this.gl; + + this.attributeUtils.createAttribute( attribute, gl.ARRAY_BUFFER ); + + } + + updateAttribute( attribute ) { + + this.attributeUtils.updateAttribute( attribute ); + + } + + destroyAttribute( attribute ) { + + this.attributeUtils.destroyAttribute( attribute ); + + } + + updateSize() { + + //console.warn( 'Abstract class.' ); + + } + + hasFeature( name ) { + + const keysMatching = Object.keys( GLFeatureName ).filter( key => GLFeatureName[ key ] === name ); + + const extensions = this.extensions; + + for ( let i = 0; i < keysMatching.length; i ++ ) { + + if ( extensions.has( keysMatching[ i ] ) ) return true; + + } + + return false; + + } + + + getMaxAnisotropy() { + + return this.capabilities.getMaxAnisotropy(); + + } + + copyTextureToTexture( position, srcTexture, dstTexture, level ) { + + this.textureUtils.copyTextureToTexture( position, srcTexture, dstTexture, level ); + + } + + copyFramebufferToTexture( texture, renderContext ) { + + this.textureUtils.copyFramebufferToTexture( texture, renderContext ); + + } + + _setFramebuffer( renderContext ) { + + const { gl, state } = this; + + let currentFrameBuffer = null; + + if ( renderContext.textures !== null ) { + + const renderTarget = renderContext.renderTarget; + const renderTargetContextData = this.get( renderTarget ); + const { samples, depthBuffer, stencilBuffer } = renderTarget; + const cubeFace = this.renderer._activeCubeFace; + const isCube = renderTarget.isWebGLCubeRenderTarget === true; + + let msaaFb = renderTargetContextData.msaaFrameBuffer; + let depthRenderbuffer = renderTargetContextData.depthRenderbuffer; + + let fb; + + if ( isCube ) { + + if ( renderTargetContextData.cubeFramebuffers === undefined ) { + + renderTargetContextData.cubeFramebuffers = []; + + } + + fb = renderTargetContextData.cubeFramebuffers[ cubeFace ]; + + } else { + + fb = renderTargetContextData.framebuffer; + + } + + if ( fb === undefined ) { + + fb = gl.createFramebuffer(); + + state.bindFramebuffer( gl.FRAMEBUFFER, fb ); + + const textures = renderContext.textures; + + if ( isCube ) { + + renderTargetContextData.cubeFramebuffers[ cubeFace ] = fb; + const { textureGPU } = this.get( textures[ 0 ] ); + + gl.framebufferTexture2D( gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_CUBE_MAP_POSITIVE_X + cubeFace, textureGPU, 0 ); + + } else { + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + const textureData = this.get( texture ); + textureData.renderTarget = renderContext.renderTarget; + + const attachment = gl.COLOR_ATTACHMENT0 + i; + + gl.framebufferTexture2D( gl.FRAMEBUFFER, attachment, gl.TEXTURE_2D, textureData.textureGPU, 0 ); + + } + + renderTargetContextData.framebuffer = fb; + + state.drawBuffers( renderContext, fb ); + + } + + if ( renderContext.depthTexture !== null ) { + + const textureData = this.get( renderContext.depthTexture ); + const depthStyle = stencilBuffer ? gl.DEPTH_STENCIL_ATTACHMENT : gl.DEPTH_ATTACHMENT; + + gl.framebufferTexture2D( gl.FRAMEBUFFER, depthStyle, gl.TEXTURE_2D, textureData.textureGPU, 0 ); + + } + + } + + if ( samples > 0 ) { + + if ( msaaFb === undefined ) { + + const invalidationArray = []; + + msaaFb = gl.createFramebuffer(); + + state.bindFramebuffer( gl.FRAMEBUFFER, msaaFb ); + + const msaaRenderbuffers = []; + + const textures = renderContext.textures; + + for ( let i = 0; i < textures.length; i ++ ) { + + + msaaRenderbuffers[ i ] = gl.createRenderbuffer(); + + gl.bindRenderbuffer( gl.RENDERBUFFER, msaaRenderbuffers[ i ] ); + + invalidationArray.push( gl.COLOR_ATTACHMENT0 + i ); + + if ( depthBuffer ) { + + const depthStyle = stencilBuffer ? gl.DEPTH_STENCIL_ATTACHMENT : gl.DEPTH_ATTACHMENT; + invalidationArray.push( depthStyle ); + + } + + const texture = renderContext.textures[ i ]; + const textureData = this.get( texture ); + + gl.renderbufferStorageMultisample( gl.RENDERBUFFER, samples, textureData.glInternalFormat, renderContext.width, renderContext.height ); + gl.framebufferRenderbuffer( gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i, gl.RENDERBUFFER, msaaRenderbuffers[ i ] ); + + + } + + renderTargetContextData.msaaFrameBuffer = msaaFb; + renderTargetContextData.msaaRenderbuffers = msaaRenderbuffers; + + if ( depthRenderbuffer === undefined ) { + + depthRenderbuffer = gl.createRenderbuffer(); + this.textureUtils.setupRenderBufferStorage( depthRenderbuffer, renderContext ); + + renderTargetContextData.depthRenderbuffer = depthRenderbuffer; + + const depthStyle = stencilBuffer ? gl.DEPTH_STENCIL_ATTACHMENT : gl.DEPTH_ATTACHMENT; + invalidationArray.push( depthStyle ); + + } + + renderTargetContextData.invalidationArray = invalidationArray; + + } + + currentFrameBuffer = renderTargetContextData.msaaFrameBuffer; + + } else { + + currentFrameBuffer = fb; + + } + + } + + state.bindFramebuffer( gl.FRAMEBUFFER, currentFrameBuffer ); + + } + + + _getVaoKey( index, attributes ) { + + let key = []; + + if ( index !== null ) { + + const indexData = this.get( index ); + + key += ':' + indexData.id; + + } + + for ( let i = 0; i < attributes.length; i ++ ) { + + const attributeData = this.get( attributes[ i ] ); + + key += ':' + attributeData.id; + + } + + return key; + + } + + _createVao( index, attributes ) { + + const { gl } = this; + + const vaoGPU = gl.createVertexArray(); + let key = ''; + + let staticVao = true; + + gl.bindVertexArray( vaoGPU ); + + if ( index !== null ) { + + const indexData = this.get( index ); + + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, indexData.bufferGPU ); + + key += ':' + indexData.id; + + } + + for ( let i = 0; i < attributes.length; i ++ ) { + + const attribute = attributes[ i ]; + const attributeData = this.get( attribute ); + + key += ':' + attributeData.id; + + gl.bindBuffer( gl.ARRAY_BUFFER, attributeData.bufferGPU ); + gl.enableVertexAttribArray( i ); + + if ( attribute.isStorageBufferAttribute || attribute.isStorageInstancedBufferAttribute ) staticVao = false; + + let stride, offset; + + if ( attribute.isInterleavedBufferAttribute === true ) { + + stride = attribute.data.stride * attributeData.bytesPerElement; + offset = attribute.offset * attributeData.bytesPerElement; + + } else { + + stride = 0; + offset = 0; + + } + + if ( attributeData.isInteger ) { + + gl.vertexAttribIPointer( i, attribute.itemSize, attributeData.type, stride, offset ); + + } else { + + gl.vertexAttribPointer( i, attribute.itemSize, attributeData.type, attribute.normalized, stride, offset ); + + } + + if ( attribute.isInstancedBufferAttribute && ! attribute.isInterleavedBufferAttribute ) { + + gl.vertexAttribDivisor( i, attribute.meshPerAttribute ); + + } else if ( attribute.isInterleavedBufferAttribute && attribute.data.isInstancedInterleavedBuffer ) { + + gl.vertexAttribDivisor( i, attribute.data.meshPerAttribute ); + + } + + } + + gl.bindBuffer( gl.ARRAY_BUFFER, null ); + + this.vaoCache[ key ] = vaoGPU; + + return { vaoGPU, staticVao }; + + } + + _getTransformFeedback( transformBuffers ) { + + let key = ''; + + for ( let i = 0; i < transformBuffers.length; i ++ ) { + + key += ':' + transformBuffers[ i ].id; + + } + + let transformFeedbackGPU = this.transformFeedbackCache[ key ]; + + if ( transformFeedbackGPU !== undefined ) { + + return transformFeedbackGPU; + + } + + const gl = this.gl; + + transformFeedbackGPU = gl.createTransformFeedback(); + + gl.bindTransformFeedback( gl.TRANSFORM_FEEDBACK, transformFeedbackGPU ); + + for ( let i = 0; i < transformBuffers.length; i ++ ) { + + const attributeData = transformBuffers[ i ]; + + gl.bindBufferBase( gl.TRANSFORM_FEEDBACK_BUFFER, i, attributeData.transformBuffer ); + + } + + gl.bindTransformFeedback( gl.TRANSFORM_FEEDBACK, null ); + + this.transformFeedbackCache[ key ] = transformFeedbackGPU; + + return transformFeedbackGPU; + + } + + + _setupBindings( bindings, programGPU ) { + + const gl = this.gl; + + for ( const bindGroup of bindings ) { + + for ( const binding of bindGroup.bindings ) { + + const bindingData = this.get( binding ); + const index = bindingData.index; + + if ( binding.isUniformsGroup || binding.isUniformBuffer ) { + + const location = gl.getUniformBlockIndex( programGPU, binding.name ); + gl.uniformBlockBinding( programGPU, location, index ); + + } else if ( binding.isSampledTexture ) { + + const location = gl.getUniformLocation( programGPU, binding.name ); + gl.uniform1i( location, index ); + + } + + } + + } + + } + + _bindUniforms( bindings ) { + + const { gl, state } = this; + + for ( const bindGroup of bindings ) { + + for ( const binding of bindGroup.bindings ) { + + const bindingData = this.get( binding ); + const index = bindingData.index; + + if ( binding.isUniformsGroup || binding.isUniformBuffer ) { + + gl.bindBufferBase( gl.UNIFORM_BUFFER, index, bindingData.bufferGPU ); + + } else if ( binding.isSampledTexture ) { + + state.bindTexture( bindingData.glTextureType, bindingData.textureGPU, gl.TEXTURE0 + index ); + + } + + } + + } + + } + +} + +class Sampler extends Binding { + + constructor( name, texture ) { + + super( name ); + + this.texture = texture; + this.version = texture ? texture.version : 0; + + this.isSampler = true; + + } + +} + +class NodeSampler extends Sampler { + + constructor( name, textureNode, groupNode ) { + + super( name, textureNode ? textureNode.value : null ); + + this.textureNode = textureNode; + this.groupNode = groupNode; + + } + + update() { + + this.texture = this.textureNode.value; + + } + +} + +class StorageBuffer extends Buffer { + + constructor( name, attribute ) { + + super( name, attribute ? attribute.array : null ); + + this.attribute = attribute; + + this.isStorageBuffer = true; + + } + +} + +let _id = 0; + +class NodeStorageBuffer extends StorageBuffer { + + constructor( nodeUniform, groupNode ) { + + super( 'StorageBuffer_' + _id ++, nodeUniform ? nodeUniform.value : null ); + + this.nodeUniform = nodeUniform; + this.access = nodeUniform ? nodeUniform.access : GPUBufferBindingType.Storage; + this.groupNode = groupNode; + + + } + + get buffer() { + + return this.nodeUniform.value; + + } + +} + +class WebGPUTexturePassUtils { + + constructor( device ) { + + this.device = device; + + const mipmapVertexSource = ` +struct VarysStruct { + @builtin( position ) Position: vec4, + @location( 0 ) vTex : vec2 +}; + +@vertex +fn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct { + + var Varys : VarysStruct; + + var pos = array< vec2, 4 >( + vec2( -1.0, 1.0 ), + vec2( 1.0, 1.0 ), + vec2( -1.0, -1.0 ), + vec2( 1.0, -1.0 ) + ); + + var tex = array< vec2, 4 >( + vec2( 0.0, 0.0 ), + vec2( 1.0, 0.0 ), + vec2( 0.0, 1.0 ), + vec2( 1.0, 1.0 ) + ); + + Varys.vTex = tex[ vertexIndex ]; + Varys.Position = vec4( pos[ vertexIndex ], 0.0, 1.0 ); + + return Varys; + +} +`; + + const mipmapFragmentSource = ` +@group( 0 ) @binding( 0 ) +var imgSampler : sampler; + +@group( 0 ) @binding( 1 ) +var img : texture_2d; + +@fragment +fn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 { + + return textureSample( img, imgSampler, vTex ); + +} +`; + + const flipYFragmentSource = ` +@group( 0 ) @binding( 0 ) +var imgSampler : sampler; + +@group( 0 ) @binding( 1 ) +var img : texture_2d; + +@fragment +fn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 { + + return textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) ); + +} +`; + this.mipmapSampler = device.createSampler( { minFilter: GPUFilterMode.Linear } ); + this.flipYSampler = device.createSampler( { minFilter: GPUFilterMode.Nearest } ); //@TODO?: Consider using textureLoad() + + // We'll need a new pipeline for every texture format used. + this.transferPipelines = {}; + this.flipYPipelines = {}; + + this.mipmapVertexShaderModule = device.createShaderModule( { + label: 'mipmapVertex', + code: mipmapVertexSource + } ); + + this.mipmapFragmentShaderModule = device.createShaderModule( { + label: 'mipmapFragment', + code: mipmapFragmentSource + } ); + + this.flipYFragmentShaderModule = device.createShaderModule( { + label: 'flipYFragment', + code: flipYFragmentSource + } ); + + } + + getTransferPipeline( format ) { + + let pipeline = this.transferPipelines[ format ]; + + if ( pipeline === undefined ) { + + pipeline = this.device.createRenderPipeline( { + vertex: { + module: this.mipmapVertexShaderModule, + entryPoint: 'main' + }, + fragment: { + module: this.mipmapFragmentShaderModule, + entryPoint: 'main', + targets: [ { format } ] + }, + primitive: { + topology: GPUPrimitiveTopology.TriangleStrip, + stripIndexFormat: GPUIndexFormat.Uint32 + }, + layout: 'auto' + } ); + + this.transferPipelines[ format ] = pipeline; + + } + + return pipeline; + + } + + getFlipYPipeline( format ) { + + let pipeline = this.flipYPipelines[ format ]; + + if ( pipeline === undefined ) { + + pipeline = this.device.createRenderPipeline( { + vertex: { + module: this.mipmapVertexShaderModule, + entryPoint: 'main' + }, + fragment: { + module: this.flipYFragmentShaderModule, + entryPoint: 'main', + targets: [ { format } ] + }, + primitive: { + topology: GPUPrimitiveTopology.TriangleStrip, + stripIndexFormat: GPUIndexFormat.Uint32 + }, + layout: 'auto' + } ); + + this.flipYPipelines[ format ] = pipeline; + + } + + return pipeline; + + } + + flipY( textureGPU, textureGPUDescriptor, baseArrayLayer = 0 ) { + + const format = textureGPUDescriptor.format; + const { width, height } = textureGPUDescriptor.size; + + const transferPipeline = this.getTransferPipeline( format ); + const flipYPipeline = this.getFlipYPipeline( format ); + + const tempTexture = this.device.createTexture( { + size: { width, height, depthOrArrayLayers: 1 }, + format, + usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.TEXTURE_BINDING + } ); + + const srcView = textureGPU.createView( { + baseMipLevel: 0, + mipLevelCount: 1, + dimension: GPUTextureViewDimension.TwoD, + baseArrayLayer + } ); + + const dstView = tempTexture.createView( { + baseMipLevel: 0, + mipLevelCount: 1, + dimension: GPUTextureViewDimension.TwoD, + baseArrayLayer: 0 + } ); + + const commandEncoder = this.device.createCommandEncoder( {} ); + + const pass = ( pipeline, sourceView, destinationView ) => { + + const bindGroupLayout = pipeline.getBindGroupLayout( 0 ); // @TODO: Consider making this static. + + const bindGroup = this.device.createBindGroup( { + layout: bindGroupLayout, + entries: [ { + binding: 0, + resource: this.flipYSampler + }, { + binding: 1, + resource: sourceView + } ] + } ); + + const passEncoder = commandEncoder.beginRenderPass( { + colorAttachments: [ { + view: destinationView, + loadOp: GPULoadOp.Clear, + storeOp: GPUStoreOp.Store, + clearValue: [ 0, 0, 0, 0 ] + } ] + } ); + + passEncoder.setPipeline( pipeline ); + passEncoder.setBindGroup( 0, bindGroup ); + passEncoder.draw( 4, 1, 0, 0 ); + passEncoder.end(); + + }; + + pass( transferPipeline, srcView, dstView ); + pass( flipYPipeline, dstView, srcView ); + + this.device.queue.submit( [ commandEncoder.finish() ] ); + + tempTexture.destroy(); + + } + + generateMipmaps( textureGPU, textureGPUDescriptor, baseArrayLayer = 0 ) { + + const pipeline = this.getTransferPipeline( textureGPUDescriptor.format ); + + const commandEncoder = this.device.createCommandEncoder( {} ); + const bindGroupLayout = pipeline.getBindGroupLayout( 0 ); // @TODO: Consider making this static. + + let srcView = textureGPU.createView( { + baseMipLevel: 0, + mipLevelCount: 1, + dimension: GPUTextureViewDimension.TwoD, + baseArrayLayer + } ); + + for ( let i = 1; i < textureGPUDescriptor.mipLevelCount; i ++ ) { + + const bindGroup = this.device.createBindGroup( { + layout: bindGroupLayout, + entries: [ { + binding: 0, + resource: this.mipmapSampler + }, { + binding: 1, + resource: srcView + } ] + } ); + + const dstView = textureGPU.createView( { + baseMipLevel: i, + mipLevelCount: 1, + dimension: GPUTextureViewDimension.TwoD, + baseArrayLayer + } ); + + const passEncoder = commandEncoder.beginRenderPass( { + colorAttachments: [ { + view: dstView, + loadOp: GPULoadOp.Clear, + storeOp: GPUStoreOp.Store, + clearValue: [ 0, 0, 0, 0 ] + } ] + } ); + + passEncoder.setPipeline( pipeline ); + passEncoder.setBindGroup( 0, bindGroup ); + passEncoder.draw( 4, 1, 0, 0 ); + passEncoder.end(); + + srcView = dstView; + + } + + this.device.queue.submit( [ commandEncoder.finish() ] ); + + } + +} + +const _compareToWebGPU = { + [ NeverCompare ]: 'never', + [ LessCompare ]: 'less', + [ EqualCompare ]: 'equal', + [ LessEqualCompare ]: 'less-equal', + [ GreaterCompare ]: 'greater', + [ GreaterEqualCompare ]: 'greater-equal', + [ AlwaysCompare ]: 'always', + [ NotEqualCompare ]: 'not-equal' +}; + +const _flipMap = [ 0, 1, 3, 2, 4, 5 ]; + +class WebGPUTextureUtils { + + constructor( backend ) { + + this.backend = backend; + + this._passUtils = null; + + this.defaultTexture = {}; + this.defaultCubeTexture = {}; + + this.colorBuffer = null; + + this.depthTexture = new DepthTexture(); + this.depthTexture.name = 'depthBuffer'; + + } + + createSampler( texture ) { + + const backend = this.backend; + const device = backend.device; + + const textureGPU = backend.get( texture ); + + const samplerDescriptorGPU = { + addressModeU: this._convertAddressMode( texture.wrapS ), + addressModeV: this._convertAddressMode( texture.wrapT ), + addressModeW: this._convertAddressMode( texture.wrapR ), + magFilter: this._convertFilterMode( texture.magFilter ), + minFilter: this._convertFilterMode( texture.minFilter ), + mipmapFilter: this._convertFilterMode( texture.minFilter ), + maxAnisotropy: texture.anisotropy + }; + + if ( texture.isDepthTexture && texture.compareFunction !== null ) { + + samplerDescriptorGPU.compare = _compareToWebGPU[ texture.compareFunction ]; + + } + + textureGPU.sampler = device.createSampler( samplerDescriptorGPU ); + + } + + createDefaultTexture( texture ) { + + let textureGPU; + + const format = getFormat( texture ); + + if ( texture.isCubeTexture ) { + + textureGPU = this._getDefaultCubeTextureGPU( format ); + + } else { + + textureGPU = this._getDefaultTextureGPU( format ); + + } + + this.backend.get( texture ).texture = textureGPU; + + } + + createTexture( texture, options = {} ) { + + const backend = this.backend; + const textureData = backend.get( texture ); + + if ( textureData.initialized ) { + + throw new Error( 'WebGPUTextureUtils: Texture already initialized.' ); + + } + + if ( options.needsMipmaps === undefined ) options.needsMipmaps = false; + if ( options.levels === undefined ) options.levels = 1; + if ( options.depth === undefined ) options.depth = 1; + + const { width, height, depth, levels } = options; + + const dimension = this._getDimension( texture ); + const format = texture.internalFormat || options.format || getFormat( texture, backend.device ); + + let sampleCount = options.sampleCount !== undefined ? options.sampleCount : 1; + + if ( sampleCount > 1 ) { + + // WebGPU only supports power-of-two sample counts and 2 is not a valid value + sampleCount = Math.pow( 2, Math.floor( Math.log2( sampleCount ) ) ); + + if ( sampleCount === 2 ) { + + sampleCount = 4; + + } + + } + + const primarySampleCount = texture.isRenderTargetTexture ? 1 : sampleCount; + + let usage = GPUTextureUsage.TEXTURE_BINDING | GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC; + + if ( texture.isStorageTexture === true ) { + + usage |= GPUTextureUsage.STORAGE_BINDING; + + } + + if ( texture.isCompressedTexture !== true ) { + + usage |= GPUTextureUsage.RENDER_ATTACHMENT; + + } + + const textureDescriptorGPU = { + label: texture.name, + size: { + width: width, + height: height, + depthOrArrayLayers: depth, + }, + mipLevelCount: levels, + sampleCount: primarySampleCount, + dimension: dimension, + format: format, + usage: usage + }; + + // texture creation + + if ( texture.isVideoTexture ) { + + const video = texture.source.data; + const videoFrame = new VideoFrame( video ); + + textureDescriptorGPU.size.width = videoFrame.displayWidth; + textureDescriptorGPU.size.height = videoFrame.displayHeight; + + videoFrame.close(); + + textureData.externalTexture = video; + + } else { + + if ( format === undefined ) { + + console.warn( 'WebGPURenderer: Texture format not supported.' ); + + return this.createDefaultTexture( texture ); + + } + + textureData.texture = backend.device.createTexture( textureDescriptorGPU ); + + } + + if ( texture.isRenderTargetTexture && sampleCount > 1 ) { + + const msaaTextureDescriptorGPU = Object.assign( {}, textureDescriptorGPU ); + + msaaTextureDescriptorGPU.label = msaaTextureDescriptorGPU.label + '-msaa'; + msaaTextureDescriptorGPU.sampleCount = sampleCount; + + textureData.msaaTexture = backend.device.createTexture( msaaTextureDescriptorGPU ); + + } + + textureData.initialized = true; + + textureData.textureDescriptorGPU = textureDescriptorGPU; + + } + + destroyTexture( texture ) { + + const backend = this.backend; + const textureData = backend.get( texture ); + + textureData.texture.destroy(); + + if ( textureData.msaaTexture !== undefined ) textureData.msaaTexture.destroy(); + + backend.delete( texture ); + + } + + destroySampler( texture ) { + + const backend = this.backend; + const textureData = backend.get( texture ); + + delete textureData.sampler; + + } + + generateMipmaps( texture ) { + + const textureData = this.backend.get( texture ); + + if ( texture.isCubeTexture ) { + + for ( let i = 0; i < 6; i ++ ) { + + this._generateMipmaps( textureData.texture, textureData.textureDescriptorGPU, i ); + + } + + } else { + + this._generateMipmaps( textureData.texture, textureData.textureDescriptorGPU ); + + } + + } + + getColorBuffer() { + + if ( this.colorBuffer ) this.colorBuffer.destroy(); + + const backend = this.backend; + const { width, height } = backend.getDrawingBufferSize(); + + this.colorBuffer = backend.device.createTexture( { + label: 'colorBuffer', + size: { + width: width, + height: height, + depthOrArrayLayers: 1 + }, + sampleCount: backend.parameters.sampleCount, + format: GPUTextureFormat.BGRA8Unorm, + usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC + } ); + + return this.colorBuffer; + + } + + getDepthBuffer( depth = true, stencil = false ) { + + const backend = this.backend; + const { width, height } = backend.getDrawingBufferSize(); + + const depthTexture = this.depthTexture; + const depthTextureGPU = backend.get( depthTexture ).texture; + + let format, type; + + if ( stencil ) { + + format = DepthStencilFormat; + type = UnsignedInt248Type; + + } else if ( depth ) { + + format = DepthFormat; + type = UnsignedIntType; + + } + + if ( depthTextureGPU !== undefined ) { + + if ( depthTexture.image.width === width && depthTexture.image.height === height && depthTexture.format === format && depthTexture.type === type ) { + + return depthTextureGPU; + + } + + this.destroyTexture( depthTexture ); + + } + + depthTexture.name = 'depthBuffer'; + depthTexture.format = format; + depthTexture.type = type; + depthTexture.image.width = width; + depthTexture.image.height = height; + + this.createTexture( depthTexture, { sampleCount: backend.parameters.sampleCount, width, height } ); + + return backend.get( depthTexture ).texture; + + } + + updateTexture( texture, options ) { + + const textureData = this.backend.get( texture ); + + const { textureDescriptorGPU } = textureData; + + if ( texture.isRenderTargetTexture || ( textureDescriptorGPU === undefined /* unsupported texture format */ ) ) + return; + + // transfer texture data + + if ( texture.isDataTexture ) { + + this._copyBufferToTexture( options.image, textureData.texture, textureDescriptorGPU, 0, texture.flipY ); + + } else if ( texture.isDataArrayTexture || texture.isData3DTexture ) { + + for ( let i = 0; i < options.image.depth; i ++ ) { + + this._copyBufferToTexture( options.image, textureData.texture, textureDescriptorGPU, i, texture.flipY, i ); + + } + + } else if ( texture.isCompressedTexture ) { + + this._copyCompressedBufferToTexture( texture.mipmaps, textureData.texture, textureDescriptorGPU ); + + } else if ( texture.isCubeTexture ) { + + this._copyCubeMapToTexture( options.images, textureData.texture, textureDescriptorGPU, texture.flipY ); + + } else if ( texture.isVideoTexture ) { + + const video = texture.source.data; + + textureData.externalTexture = video; + + } else { + + this._copyImageToTexture( options.image, textureData.texture, textureDescriptorGPU, 0, texture.flipY ); + + } + + // + + textureData.version = texture.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } + + async copyTextureToBuffer( texture, x, y, width, height ) { + + const device = this.backend.device; + + const textureData = this.backend.get( texture ); + const textureGPU = textureData.texture; + const format = textureData.textureDescriptorGPU.format; + const bytesPerTexel = this._getBytesPerTexel( format ); + + let bytesPerRow = width * bytesPerTexel; + bytesPerRow = Math.ceil( bytesPerRow / 256 ) * 256; // Align to 256 bytes + + const readBuffer = device.createBuffer( + { + size: width * height * bytesPerTexel, + usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ + } + ); + + const encoder = device.createCommandEncoder(); + + encoder.copyTextureToBuffer( + { + texture: textureGPU, + origin: { x, y }, + }, + { + buffer: readBuffer, + bytesPerRow: bytesPerRow + }, + { + width: width, + height: height + } + + ); + + const typedArrayType = this._getTypedArrayType( format ); + + device.queue.submit( [ encoder.finish() ] ); + + await readBuffer.mapAsync( GPUMapMode.READ ); + + const buffer = readBuffer.getMappedRange(); + + return new typedArrayType( buffer ); + + } + + _isEnvironmentTexture( texture ) { + + const mapping = texture.mapping; + + return ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) || ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping ); + + } + + _getDefaultTextureGPU( format ) { + + let defaultTexture = this.defaultTexture[ format ]; + + if ( defaultTexture === undefined ) { + + const texture = new Texture(); + texture.minFilter = NearestFilter; + texture.magFilter = NearestFilter; + + this.createTexture( texture, { width: 1, height: 1, format } ); + + this.defaultTexture[ format ] = defaultTexture = texture; + + } + + return this.backend.get( defaultTexture ).texture; + + } + + _getDefaultCubeTextureGPU( format ) { + + let defaultCubeTexture = this.defaultTexture[ format ]; + + if ( defaultCubeTexture === undefined ) { + + const texture = new CubeTexture(); + texture.minFilter = NearestFilter; + texture.magFilter = NearestFilter; + + this.createTexture( texture, { width: 1, height: 1, depth: 6 } ); + + this.defaultCubeTexture[ format ] = defaultCubeTexture = texture; + + } + + return this.backend.get( defaultCubeTexture ).texture; + + } + + _copyCubeMapToTexture( images, textureGPU, textureDescriptorGPU, flipY ) { + + for ( let i = 0; i < 6; i ++ ) { + + const image = images[ i ]; + + const flipIndex = flipY === true ? _flipMap[ i ] : i; + + if ( image.isDataTexture ) { + + this._copyBufferToTexture( image.image, textureGPU, textureDescriptorGPU, flipIndex, flipY ); + + } else { + + this._copyImageToTexture( image, textureGPU, textureDescriptorGPU, flipIndex, flipY ); + + } + + } + + } + + _copyImageToTexture( image, textureGPU, textureDescriptorGPU, originDepth, flipY ) { + + const device = this.backend.device; + + device.queue.copyExternalImageToTexture( + { + source: image + }, { + texture: textureGPU, + mipLevel: 0, + origin: { x: 0, y: 0, z: originDepth } + }, { + width: image.width, + height: image.height, + depthOrArrayLayers: 1 + } + ); + + if ( flipY === true ) { + + this._flipY( textureGPU, textureDescriptorGPU, originDepth ); + + } + + } + + _getPassUtils() { + + let passUtils = this._passUtils; + + if ( passUtils === null ) { + + this._passUtils = passUtils = new WebGPUTexturePassUtils( this.backend.device ); + + } + + return passUtils; + + } + + _generateMipmaps( textureGPU, textureDescriptorGPU, baseArrayLayer = 0 ) { + + this._getPassUtils().generateMipmaps( textureGPU, textureDescriptorGPU, baseArrayLayer ); + + } + + _flipY( textureGPU, textureDescriptorGPU, originDepth = 0 ) { + + this._getPassUtils().flipY( textureGPU, textureDescriptorGPU, originDepth ); + + } + + _copyBufferToTexture( image, textureGPU, textureDescriptorGPU, originDepth, flipY, depth = 0 ) { + + // @TODO: Consider to use GPUCommandEncoder.copyBufferToTexture() + // @TODO: Consider to support valid buffer layouts with other formats like RGB + + const device = this.backend.device; + + const data = image.data; + + const bytesPerTexel = this._getBytesPerTexel( textureDescriptorGPU.format ); + const bytesPerRow = image.width * bytesPerTexel; + + device.queue.writeTexture( + { + texture: textureGPU, + mipLevel: 0, + origin: { x: 0, y: 0, z: originDepth } + }, + data, + { + offset: image.width * image.height * bytesPerTexel * depth, + bytesPerRow + }, + { + width: image.width, + height: image.height, + depthOrArrayLayers: 1 + } ); + + if ( flipY === true ) { + + this._flipY( textureGPU, textureDescriptorGPU, originDepth ); + + } + + } + + _copyCompressedBufferToTexture( mipmaps, textureGPU, textureDescriptorGPU ) { + + // @TODO: Consider to use GPUCommandEncoder.copyBufferToTexture() + + const device = this.backend.device; + + const blockData = this._getBlockData( textureDescriptorGPU.format ); + + for ( let i = 0; i < mipmaps.length; i ++ ) { + + const mipmap = mipmaps[ i ]; + + const width = mipmap.width; + const height = mipmap.height; + + const bytesPerRow = Math.ceil( width / blockData.width ) * blockData.byteLength; + + device.queue.writeTexture( + { + texture: textureGPU, + mipLevel: i + }, + mipmap.data, + { + offset: 0, + bytesPerRow + }, + { + width: Math.ceil( width / blockData.width ) * blockData.width, + height: Math.ceil( height / blockData.width ) * blockData.width, + depthOrArrayLayers: 1 + } + ); + + } + + } + + _getBlockData( format ) { + + // this method is only relevant for compressed texture formats + + if ( format === GPUTextureFormat.BC1RGBAUnorm || format === GPUTextureFormat.BC1RGBAUnormSRGB ) return { byteLength: 8, width: 4, height: 4 }; // DXT1 + if ( format === GPUTextureFormat.BC2RGBAUnorm || format === GPUTextureFormat.BC2RGBAUnormSRGB ) return { byteLength: 16, width: 4, height: 4 }; // DXT3 + if ( format === GPUTextureFormat.BC3RGBAUnorm || format === GPUTextureFormat.BC3RGBAUnormSRGB ) return { byteLength: 16, width: 4, height: 4 }; // DXT5 + if ( format === GPUTextureFormat.BC4RUnorm || format === GPUTextureFormat.BC4RSNorm ) return { byteLength: 8, width: 4, height: 4 }; // RGTC1 + if ( format === GPUTextureFormat.BC5RGUnorm || format === GPUTextureFormat.BC5RGSnorm ) return { byteLength: 16, width: 4, height: 4 }; // RGTC2 + if ( format === GPUTextureFormat.BC6HRGBUFloat || format === GPUTextureFormat.BC6HRGBFloat ) return { byteLength: 16, width: 4, height: 4 }; // BPTC (float) + if ( format === GPUTextureFormat.BC7RGBAUnorm || format === GPUTextureFormat.BC7RGBAUnormSRGB ) return { byteLength: 16, width: 4, height: 4 }; // BPTC (unorm) + + if ( format === GPUTextureFormat.ETC2RGB8Unorm || format === GPUTextureFormat.ETC2RGB8UnormSRGB ) return { byteLength: 8, width: 4, height: 4 }; + if ( format === GPUTextureFormat.ETC2RGB8A1Unorm || format === GPUTextureFormat.ETC2RGB8A1UnormSRGB ) return { byteLength: 8, width: 4, height: 4 }; + if ( format === GPUTextureFormat.ETC2RGBA8Unorm || format === GPUTextureFormat.ETC2RGBA8UnormSRGB ) return { byteLength: 16, width: 4, height: 4 }; + if ( format === GPUTextureFormat.EACR11Unorm ) return { byteLength: 8, width: 4, height: 4 }; + if ( format === GPUTextureFormat.EACR11Snorm ) return { byteLength: 8, width: 4, height: 4 }; + if ( format === GPUTextureFormat.EACRG11Unorm ) return { byteLength: 16, width: 4, height: 4 }; + if ( format === GPUTextureFormat.EACRG11Snorm ) return { byteLength: 16, width: 4, height: 4 }; + + if ( format === GPUTextureFormat.ASTC4x4Unorm || format === GPUTextureFormat.ASTC4x4UnormSRGB ) return { byteLength: 16, width: 4, height: 4 }; + if ( format === GPUTextureFormat.ASTC5x4Unorm || format === GPUTextureFormat.ASTC5x4UnormSRGB ) return { byteLength: 16, width: 5, height: 4 }; + if ( format === GPUTextureFormat.ASTC5x5Unorm || format === GPUTextureFormat.ASTC5x5UnormSRGB ) return { byteLength: 16, width: 5, height: 5 }; + if ( format === GPUTextureFormat.ASTC6x5Unorm || format === GPUTextureFormat.ASTC6x5UnormSRGB ) return { byteLength: 16, width: 6, height: 5 }; + if ( format === GPUTextureFormat.ASTC6x6Unorm || format === GPUTextureFormat.ASTC6x6UnormSRGB ) return { byteLength: 16, width: 6, height: 6 }; + if ( format === GPUTextureFormat.ASTC8x5Unorm || format === GPUTextureFormat.ASTC8x5UnormSRGB ) return { byteLength: 16, width: 8, height: 5 }; + if ( format === GPUTextureFormat.ASTC8x6Unorm || format === GPUTextureFormat.ASTC8x6UnormSRGB ) return { byteLength: 16, width: 8, height: 6 }; + if ( format === GPUTextureFormat.ASTC8x8Unorm || format === GPUTextureFormat.ASTC8x8UnormSRGB ) return { byteLength: 16, width: 8, height: 8 }; + if ( format === GPUTextureFormat.ASTC10x5Unorm || format === GPUTextureFormat.ASTC10x5UnormSRGB ) return { byteLength: 16, width: 10, height: 5 }; + if ( format === GPUTextureFormat.ASTC10x6Unorm || format === GPUTextureFormat.ASTC10x6UnormSRGB ) return { byteLength: 16, width: 10, height: 6 }; + if ( format === GPUTextureFormat.ASTC10x8Unorm || format === GPUTextureFormat.ASTC10x8UnormSRGB ) return { byteLength: 16, width: 10, height: 8 }; + if ( format === GPUTextureFormat.ASTC10x10Unorm || format === GPUTextureFormat.ASTC10x10UnormSRGB ) return { byteLength: 16, width: 10, height: 10 }; + if ( format === GPUTextureFormat.ASTC12x10Unorm || format === GPUTextureFormat.ASTC12x10UnormSRGB ) return { byteLength: 16, width: 12, height: 10 }; + if ( format === GPUTextureFormat.ASTC12x12Unorm || format === GPUTextureFormat.ASTC12x12UnormSRGB ) return { byteLength: 16, width: 12, height: 12 }; + + } + + _convertAddressMode( value ) { + + let addressMode = GPUAddressMode.ClampToEdge; + + if ( value === RepeatWrapping ) { + + addressMode = GPUAddressMode.Repeat; + + } else if ( value === MirroredRepeatWrapping ) { + + addressMode = GPUAddressMode.MirrorRepeat; + + } + + return addressMode; + + } + + _convertFilterMode( value ) { + + let filterMode = GPUFilterMode.Linear; + + if ( value === NearestFilter || value === NearestMipmapNearestFilter || value === NearestMipmapLinearFilter ) { + + filterMode = GPUFilterMode.Nearest; + + } + + return filterMode; + + } + + _getBytesPerTexel( format ) { + + // 8-bit formats + if ( format === GPUTextureFormat.R8Unorm || + format === GPUTextureFormat.R8Snorm || + format === GPUTextureFormat.R8Uint || + format === GPUTextureFormat.R8Sint ) return 1; + + // 16-bit formats + if ( format === GPUTextureFormat.R16Uint || + format === GPUTextureFormat.R16Sint || + format === GPUTextureFormat.R16Float || + format === GPUTextureFormat.RG8Unorm || + format === GPUTextureFormat.RG8Snorm || + format === GPUTextureFormat.RG8Uint || + format === GPUTextureFormat.RG8Sint ) return 2; + + // 32-bit formats + if ( format === GPUTextureFormat.R32Uint || + format === GPUTextureFormat.R32Sint || + format === GPUTextureFormat.R32Float || + format === GPUTextureFormat.RG16Uint || + format === GPUTextureFormat.RG16Sint || + format === GPUTextureFormat.RG16Float || + format === GPUTextureFormat.RGBA8Unorm || + format === GPUTextureFormat.RGBA8UnormSRGB || + format === GPUTextureFormat.RGBA8Snorm || + format === GPUTextureFormat.RGBA8Uint || + format === GPUTextureFormat.RGBA8Sint || + format === GPUTextureFormat.BGRA8Unorm || + format === GPUTextureFormat.BGRA8UnormSRGB || + // Packed 32-bit formats + format === GPUTextureFormat.RGB9E5UFloat || + format === GPUTextureFormat.RGB10A2Unorm || + format === GPUTextureFormat.RG11B10UFloat || + format === GPUTextureFormat.Depth32Float || + format === GPUTextureFormat.Depth24Plus || + format === GPUTextureFormat.Depth24PlusStencil8 || + format === GPUTextureFormat.Depth32FloatStencil8 ) return 4; + + // 64-bit formats + if ( format === GPUTextureFormat.RG32Uint || + format === GPUTextureFormat.RG32Sint || + format === GPUTextureFormat.RG32Float || + format === GPUTextureFormat.RGBA16Uint || + format === GPUTextureFormat.RGBA16Sint || + format === GPUTextureFormat.RGBA16Float ) return 8; + + // 128-bit formats + if ( format === GPUTextureFormat.RGBA32Uint || + format === GPUTextureFormat.RGBA32Sint || + format === GPUTextureFormat.RGBA32Float ) return 16; + + + } + + _getTypedArrayType( format ) { + + if ( format === GPUTextureFormat.R8Uint ) return Uint8Array; + if ( format === GPUTextureFormat.R8Sint ) return Int8Array; + if ( format === GPUTextureFormat.R8Unorm ) return Uint8Array; + if ( format === GPUTextureFormat.R8Snorm ) return Int8Array; + if ( format === GPUTextureFormat.RG8Uint ) return Uint8Array; + if ( format === GPUTextureFormat.RG8Sint ) return Int8Array; + if ( format === GPUTextureFormat.RG8Unorm ) return Uint8Array; + if ( format === GPUTextureFormat.RG8Snorm ) return Int8Array; + if ( format === GPUTextureFormat.RGBA8Uint ) return Uint8Array; + if ( format === GPUTextureFormat.RGBA8Sint ) return Int8Array; + if ( format === GPUTextureFormat.RGBA8Unorm ) return Uint8Array; + if ( format === GPUTextureFormat.RGBA8Snorm ) return Int8Array; + + + if ( format === GPUTextureFormat.R16Uint ) return Uint16Array; + if ( format === GPUTextureFormat.R16Sint ) return Int16Array; + if ( format === GPUTextureFormat.RG16Uint ) return Uint16Array; + if ( format === GPUTextureFormat.RG16Sint ) return Int16Array; + if ( format === GPUTextureFormat.RGBA16Uint ) return Uint16Array; + if ( format === GPUTextureFormat.RGBA16Sint ) return Int16Array; + if ( format === GPUTextureFormat.R16Float ) return Float32Array; + if ( format === GPUTextureFormat.RG16Float ) return Float32Array; + if ( format === GPUTextureFormat.RGBA16Float ) return Float32Array; + + + if ( format === GPUTextureFormat.R32Uint ) return Uint32Array; + if ( format === GPUTextureFormat.R32Sint ) return Int32Array; + if ( format === GPUTextureFormat.R32Float ) return Float32Array; + if ( format === GPUTextureFormat.RG32Uint ) return Uint32Array; + if ( format === GPUTextureFormat.RG32Sint ) return Int32Array; + if ( format === GPUTextureFormat.RG32Float ) return Float32Array; + if ( format === GPUTextureFormat.RGBA32Uint ) return Uint32Array; + if ( format === GPUTextureFormat.RGBA32Sint ) return Int32Array; + if ( format === GPUTextureFormat.RGBA32Float ) return Float32Array; + + if ( format === GPUTextureFormat.BGRA8Unorm ) return Uint8Array; + if ( format === GPUTextureFormat.BGRA8UnormSRGB ) return Uint8Array; + if ( format === GPUTextureFormat.RGB10A2Unorm ) return Uint32Array; + if ( format === GPUTextureFormat.RGB9E5UFloat ) return Uint32Array; + if ( format === GPUTextureFormat.RG11B10UFloat ) return Uint32Array; + + if ( format === GPUTextureFormat.Depth32Float ) return Float32Array; + if ( format === GPUTextureFormat.Depth24Plus ) return Uint32Array; + if ( format === GPUTextureFormat.Depth24PlusStencil8 ) return Uint32Array; + if ( format === GPUTextureFormat.Depth32FloatStencil8 ) return Float32Array; + + } + + _getDimension( texture ) { + + let dimension; + + if ( texture.isData3DTexture ) { + + dimension = GPUTextureDimension.ThreeD; + + } else { + + dimension = GPUTextureDimension.TwoD; + + } + + return dimension; + + } + +} + +function getFormat( texture, device = null ) { + + const format = texture.format; + const type = texture.type; + const colorSpace = texture.colorSpace; + + let formatGPU; + + if ( texture.isFramebufferTexture === true && texture.type === UnsignedByteType ) { + + formatGPU = GPUTextureFormat.BGRA8Unorm; + + } else if ( texture.isCompressedTexture === true ) { + + switch ( format ) { + + case RGBA_S3TC_DXT1_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.BC1RGBAUnormSRGB : GPUTextureFormat.BC1RGBAUnorm; + break; + + case RGBA_S3TC_DXT3_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.BC2RGBAUnormSRGB : GPUTextureFormat.BC2RGBAUnorm; + break; + + case RGBA_S3TC_DXT5_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.BC3RGBAUnormSRGB : GPUTextureFormat.BC3RGBAUnorm; + break; + + case RGB_ETC2_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ETC2RGB8UnormSRGB : GPUTextureFormat.ETC2RGB8Unorm; + break; + + case RGBA_ETC2_EAC_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ETC2RGBA8UnormSRGB : GPUTextureFormat.ETC2RGBA8Unorm; + break; + + case RGBA_ASTC_4x4_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC4x4UnormSRGB : GPUTextureFormat.ASTC4x4Unorm; + break; + + case RGBA_ASTC_5x4_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC5x4UnormSRGB : GPUTextureFormat.ASTC5x4Unorm; + break; + + case RGBA_ASTC_5x5_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC5x5UnormSRGB : GPUTextureFormat.ASTC5x5Unorm; + break; + + case RGBA_ASTC_6x5_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC6x5UnormSRGB : GPUTextureFormat.ASTC6x5Unorm; + break; + + case RGBA_ASTC_6x6_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC6x6UnormSRGB : GPUTextureFormat.ASTC6x6Unorm; + break; + + case RGBA_ASTC_8x5_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC8x5UnormSRGB : GPUTextureFormat.ASTC8x5Unorm; + break; + + case RGBA_ASTC_8x6_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC8x6UnormSRGB : GPUTextureFormat.ASTC8x6Unorm; + break; + + case RGBA_ASTC_8x8_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC8x8UnormSRGB : GPUTextureFormat.ASTC8x8Unorm; + break; + + case RGBA_ASTC_10x5_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC10x5UnormSRGB : GPUTextureFormat.ASTC10x5Unorm; + break; + + case RGBA_ASTC_10x6_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC10x6UnormSRGB : GPUTextureFormat.ASTC10x6Unorm; + break; + + case RGBA_ASTC_10x8_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC10x8UnormSRGB : GPUTextureFormat.ASTC10x8Unorm; + break; + + case RGBA_ASTC_10x10_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC10x10UnormSRGB : GPUTextureFormat.ASTC10x10Unorm; + break; + + case RGBA_ASTC_12x10_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC12x10UnormSRGB : GPUTextureFormat.ASTC12x10Unorm; + break; + + case RGBA_ASTC_12x12_Format: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.ASTC12x12UnormSRGB : GPUTextureFormat.ASTC12x12Unorm; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture format.', format ); + + } + + } else { + + switch ( format ) { + + case RGBAFormat: + + switch ( type ) { + + case ByteType: + formatGPU = GPUTextureFormat.RGBA8Snorm; + break; + + case ShortType: + formatGPU = GPUTextureFormat.RGBA16Sint; + break; + + case UnsignedShortType: + formatGPU = GPUTextureFormat.RGBA16Uint; + break; + case UnsignedIntType: + formatGPU = GPUTextureFormat.RGBA32Uint; + break; + + case IntType: + formatGPU = GPUTextureFormat.RGBA32Sint; + break; + + case UnsignedByteType: + formatGPU = ( colorSpace === SRGBColorSpace ) ? GPUTextureFormat.RGBA8UnormSRGB : GPUTextureFormat.RGBA8Unorm; + break; + + case HalfFloatType: + formatGPU = GPUTextureFormat.RGBA16Float; + break; + + case FloatType: + formatGPU = GPUTextureFormat.RGBA32Float; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RGBAFormat.', type ); + + } + + break; + + case RGBFormat: + + switch ( type ) { + + case UnsignedInt5999Type: + formatGPU = GPUTextureFormat.RGB9E5UFloat; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RGBFormat.', type ); + + } + + break; + + case RedFormat: + + switch ( type ) { + + case ByteType: + formatGPU = GPUTextureFormat.R8Snorm; + break; + + case ShortType: + formatGPU = GPUTextureFormat.R16Sint; + break; + + case UnsignedShortType: + formatGPU = GPUTextureFormat.R16Uint; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.R32Uint; + break; + + case IntType: + formatGPU = GPUTextureFormat.R32Sint; + break; + + case UnsignedByteType: + formatGPU = GPUTextureFormat.R8Unorm; + break; + + case HalfFloatType: + formatGPU = GPUTextureFormat.R16Float; + break; + + case FloatType: + formatGPU = GPUTextureFormat.R32Float; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RedFormat.', type ); + + } + + break; + + case RGFormat: + + switch ( type ) { + + case ByteType: + formatGPU = GPUTextureFormat.RG8Snorm; + break; + + case ShortType: + formatGPU = GPUTextureFormat.RG16Sint; + break; + + case UnsignedShortType: + formatGPU = GPUTextureFormat.RG16Uint; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.RG32Uint; + break; + + case IntType: + formatGPU = GPUTextureFormat.RG32Sint; + break; + + case UnsignedByteType: + formatGPU = GPUTextureFormat.RG8Unorm; + break; + + case HalfFloatType: + formatGPU = GPUTextureFormat.RG16Float; + break; + + case FloatType: + formatGPU = GPUTextureFormat.RG32Float; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RGFormat.', type ); + + } + + break; + + case DepthFormat: + + switch ( type ) { + + case UnsignedShortType: + formatGPU = GPUTextureFormat.Depth16Unorm; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.Depth24Plus; + break; + + case FloatType: + formatGPU = GPUTextureFormat.Depth32Float; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with DepthFormat.', type ); + + } + + break; + + case DepthStencilFormat: + + switch ( type ) { + + case UnsignedInt248Type: + formatGPU = GPUTextureFormat.Depth24PlusStencil8; + break; + + case FloatType: + + if ( device && device.features.has( GPUFeatureName.Depth32FloatStencil8 ) === false ) { + + console.error( 'WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.' ); + + } + + formatGPU = GPUTextureFormat.Depth32FloatStencil8; + + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with DepthStencilFormat.', type ); + + } + + break; + + case RedIntegerFormat: + + switch ( type ) { + + case IntType: + formatGPU = GPUTextureFormat.R32Sint; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.R32Uint; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RedIntegerFormat.', type ); + + } + + break; + + case RGIntegerFormat: + + switch ( type ) { + + case IntType: + formatGPU = GPUTextureFormat.RG32Sint; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.RG32Uint; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RGIntegerFormat.', type ); + + } + + break; + + case RGBAIntegerFormat: + + switch ( type ) { + + case IntType: + formatGPU = GPUTextureFormat.RGBA32Sint; + break; + + case UnsignedIntType: + formatGPU = GPUTextureFormat.RGBA32Uint; + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.', type ); + + } + + break; + + default: + console.error( 'WebGPURenderer: Unsupported texture format.', format ); + + } + + } + + return formatGPU; + +} + +const declarationRegexp = /^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i; +const propertiesRegexp = /([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/ig; + +const wgslTypeLib$1 = { + 'f32': 'float', + 'i32': 'int', + 'u32': 'uint', + 'bool': 'bool', + + 'vec2': 'vec2', + 'vec2': 'ivec2', + 'vec2': 'uvec2', + 'vec2': 'bvec2', + + 'vec2f': 'vec2', + 'vec2i': 'ivec2', + 'vec2u': 'uvec2', + 'vec2b': 'bvec2', + + 'vec3': 'vec3', + 'vec3': 'ivec3', + 'vec3': 'uvec3', + 'vec3': 'bvec3', + + 'vec3f': 'vec3', + 'vec3i': 'ivec3', + 'vec3u': 'uvec3', + 'vec3b': 'bvec3', + + 'vec4': 'vec4', + 'vec4': 'ivec4', + 'vec4': 'uvec4', + 'vec4': 'bvec4', + + 'vec4f': 'vec4', + 'vec4i': 'ivec4', + 'vec4u': 'uvec4', + 'vec4b': 'bvec4', + + 'mat2x2': 'mat2', + 'mat2x2f': 'mat2', + + 'mat3x3': 'mat3', + 'mat3x3f': 'mat3', + + 'mat4x4': 'mat4', + 'mat4x4f': 'mat4', + + 'sampler': 'sampler', + 'texture_2d': 'texture', + 'texture_cube': 'cubeTexture', + 'texture_depth_2d': 'depthTexture', + 'texture_storage_2d': 'storageTexture', + 'texture_3d': 'texture3D' + +}; + +const parse = ( source ) => { + + source = source.trim(); + + const declaration = source.match( declarationRegexp ); + + if ( declaration !== null && declaration.length === 4 ) { + + const inputsCode = declaration[ 2 ]; + const propsMatches = []; + let match = null; + + while ( ( match = propertiesRegexp.exec( inputsCode ) ) !== null ) { + + propsMatches.push( { name: match[ 1 ], type: match[ 2 ] } ); + + } + + // Process matches to correctly pair names and types + const inputs = []; + for ( let i = 0; i < propsMatches.length; i ++ ) { + + const { name, type } = propsMatches[ i ]; + + let resolvedType = type; + + if ( resolvedType.startsWith( 'texture' ) ) { + + resolvedType = type.split( '<' )[ 0 ]; + + } + + resolvedType = wgslTypeLib$1[ resolvedType ] || resolvedType; + + inputs.push( new NodeFunctionInput( resolvedType, name ) ); + + } + + const blockCode = source.substring( declaration[ 0 ].length ); + const outputType = declaration[ 3 ] || 'void'; + + const name = declaration[ 1 ] !== undefined ? declaration[ 1 ] : ''; + const type = wgslTypeLib$1[ outputType ] || outputType; + + return { + type, + inputs, + name, + inputsCode, + blockCode, + outputType + }; + + } else { + + throw new Error( 'FunctionNode: Function is not a WGSL code.' ); + + } + +}; + +class WGSLNodeFunction extends NodeFunction { + + constructor( source ) { + + const { type, inputs, name, inputsCode, blockCode, outputType } = parse( source ); + + super( type, inputs, name ); + + this.inputsCode = inputsCode; + this.blockCode = blockCode; + this.outputType = outputType; + + } + + getCode( name = this.name ) { + + const outputType = this.outputType !== 'void' ? '-> ' + this.outputType : ''; + + return `fn ${ name } ( ${ this.inputsCode.trim() } ) ${ outputType }` + this.blockCode; + + } + +} + +class WGSLNodeParser extends NodeParser { + + parseFunction( source ) { + + return new WGSLNodeFunction( source ); + + } + +} + +// GPUShaderStage is not defined in browsers not supporting WebGPU +const GPUShaderStage = self.GPUShaderStage; + +const gpuShaderStageLib = { + 'vertex': GPUShaderStage ? GPUShaderStage.VERTEX : 1, + 'fragment': GPUShaderStage ? GPUShaderStage.FRAGMENT : 2, + 'compute': GPUShaderStage ? GPUShaderStage.COMPUTE : 4 +}; + +const supports = { + instance: true, + swizzleAssign: false, + storageBuffer: true +}; + +const wgslFnOpLib = { + '^^': 'threejs_xor' +}; + +const wgslTypeLib = { + float: 'f32', + int: 'i32', + uint: 'u32', + bool: 'bool', + color: 'vec3', + + vec2: 'vec2', + ivec2: 'vec2', + uvec2: 'vec2', + bvec2: 'vec2', + + vec3: 'vec3', + ivec3: 'vec3', + uvec3: 'vec3', + bvec3: 'vec3', + + vec4: 'vec4', + ivec4: 'vec4', + uvec4: 'vec4', + bvec4: 'vec4', + + mat2: 'mat2x2', + imat2: 'mat2x2', + umat2: 'mat2x2', + bmat2: 'mat2x2', + + mat3: 'mat3x3', + imat3: 'mat3x3', + umat3: 'mat3x3', + bmat3: 'mat3x3', + + mat4: 'mat4x4', + imat4: 'mat4x4', + umat4: 'mat4x4', + bmat4: 'mat4x4' +}; + +const wgslMethods = { + dFdx: 'dpdx', + dFdy: '- dpdy', + mod_float: 'threejs_mod_float', + mod_vec2: 'threejs_mod_vec2', + mod_vec3: 'threejs_mod_vec3', + mod_vec4: 'threejs_mod_vec4', + equals_bool: 'threejs_equals_bool', + equals_bvec2: 'threejs_equals_bvec2', + equals_bvec3: 'threejs_equals_bvec3', + equals_bvec4: 'threejs_equals_bvec4', + lessThanEqual: 'threejs_lessThanEqual', + greaterThan: 'threejs_greaterThan', + inversesqrt: 'inverseSqrt', + bitcast: 'bitcast' +}; + +const wgslPolyfill = { + threejs_xor: new CodeNode( ` +fn threejs_xor( a : bool, b : bool ) -> bool { + + return ( a || b ) && !( a && b ); + +} +` ), + lessThanEqual: new CodeNode( ` +fn threejs_lessThanEqual( a : vec3, b : vec3 ) -> vec3 { + + return vec3( a.x <= b.x, a.y <= b.y, a.z <= b.z ); + +} +` ), + greaterThan: new CodeNode( ` +fn threejs_greaterThan( a : vec3, b : vec3 ) -> vec3 { + + return vec3( a.x > b.x, a.y > b.y, a.z > b.z ); + +} +` ), + mod_float: new CodeNode( 'fn threejs_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }' ), + mod_vec2: new CodeNode( 'fn threejs_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }' ), + mod_vec3: new CodeNode( 'fn threejs_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }' ), + mod_vec4: new CodeNode( 'fn threejs_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }' ), + equals_bool: new CodeNode( 'fn threejs_equals_bool( a : bool, b : bool ) -> bool { return a == b; }' ), + equals_bvec2: new CodeNode( 'fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }' ), + equals_bvec3: new CodeNode( 'fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }' ), + equals_bvec4: new CodeNode( 'fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }' ), + repeatWrapping: new CodeNode( ` +fn threejs_repeatWrapping( uv : vec2, dimension : vec2 ) -> vec2 { + + let uvScaled = vec2( uv * vec2( dimension ) ); + + return ( ( uvScaled % dimension ) + dimension ) % dimension; + +} +` ), + biquadraticTexture: new CodeNode( ` +fn threejs_biquadraticTexture( map : texture_2d, coord : vec2f, level : i32 ) -> vec4f { + + let res = vec2f( textureDimensions( map, level ) ); + + let uvScaled = coord * res; + let uvWrapping = ( ( uvScaled % res ) + res ) % res; + + // https://www.shadertoy.com/view/WtyXRy + + let uv = uvWrapping - 0.5; + let iuv = floor( uv ); + let f = fract( uv ); + + let rg1 = textureLoad( map, vec2i( iuv + vec2( 0.5, 0.5 ) ), level ); + let rg2 = textureLoad( map, vec2i( iuv + vec2( 1.5, 0.5 ) ), level ); + let rg3 = textureLoad( map, vec2i( iuv + vec2( 0.5, 1.5 ) ), level ); + let rg4 = textureLoad( map, vec2i( iuv + vec2( 1.5, 1.5 ) ), level ); + + return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y ); + +} +` ) +}; + +class WGSLNodeBuilder extends NodeBuilder { + + constructor( object, renderer ) { + + super( object, renderer, new WGSLNodeParser() ); + + this.uniformGroups = {}; + + this.builtins = {}; + + } + + needsColorSpaceToLinear( texture ) { + + return texture.isVideoTexture === true && texture.colorSpace !== NoColorSpace; + + } + + _generateTextureSample( texture, textureProperty, uvSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + if ( depthSnippet ) { + + return `textureSample( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet } )`; + + } else { + + return `textureSample( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet } )`; + + } + + } else if ( this.isFilteredTexture( texture ) ) { + + return this.generateFilteredTexture( texture, textureProperty, uvSnippet ); + + } else { + + return this.generateTextureLod( texture, textureProperty, uvSnippet, '0' ); + + } + + } + + _generateVideoSample( textureProperty, uvSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + return `textureSampleBaseClampToEdge( ${ textureProperty }, ${ textureProperty }_sampler, vec2( ${ uvSnippet }.x, 1.0 - ${ uvSnippet }.y ) )`; + + } else { + + console.error( `WebGPURenderer: THREE.VideoTexture does not support ${ shaderStage } shader.` ); + + } + + } + + _generateTextureSampleLevel( texture, textureProperty, uvSnippet, levelSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' && this.isUnfilterable( texture ) === false ) { + + return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`; + + } else if ( this.isFilteredTexture( texture ) ) { + + return this.generateFilteredTexture( texture, textureProperty, uvSnippet, levelSnippet ); + + } else { + + return this.generateTextureLod( texture, textureProperty, uvSnippet, levelSnippet ); + + } + + } + + generateFilteredTexture( texture, textureProperty, uvSnippet, levelSnippet = '0' ) { + + this._include( 'biquadraticTexture' ); + + return `threejs_biquadraticTexture( ${ textureProperty }, ${ uvSnippet }, i32( ${ levelSnippet } ) )`; + + } + + generateTextureLod( texture, textureProperty, uvSnippet, levelSnippet = '0' ) { + + this._include( 'repeatWrapping' ); + + const dimension = `textureDimensions( ${ textureProperty }, 0 )`; + + return `textureLoad( ${ textureProperty }, threejs_repeatWrapping( ${ uvSnippet }, ${ dimension } ), i32( ${ levelSnippet } ) )`; + + } + + generateTextureLoad( texture, textureProperty, uvIndexSnippet, depthSnippet, levelSnippet = '0u' ) { + + if ( depthSnippet ) { + + return `textureLoad( ${ textureProperty }, ${ uvIndexSnippet }, ${ depthSnippet }, ${ levelSnippet } )`; + + } else { + + return `textureLoad( ${ textureProperty }, ${ uvIndexSnippet }, ${ levelSnippet } )`; + + } + + } + + generateTextureStore( texture, textureProperty, uvIndexSnippet, valueSnippet ) { + + return `textureStore( ${ textureProperty }, ${ uvIndexSnippet }, ${ valueSnippet } )`; + + } + + isUnfilterable( texture ) { + + return this.getComponentTypeFromTexture( texture ) !== 'float' || ( texture.isDataTexture === true && texture.type === FloatType ); + + } + + generateTexture( texture, textureProperty, uvSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + let snippet = null; + + if ( texture.isVideoTexture === true ) { + + snippet = this._generateVideoSample( textureProperty, uvSnippet, shaderStage ); + + } else if ( this.isUnfilterable( texture ) ) { + + snippet = this.generateTextureLod( texture, textureProperty, uvSnippet, '0', depthSnippet, shaderStage ); + + } else { + + snippet = this._generateTextureSample( texture, textureProperty, uvSnippet, depthSnippet, shaderStage ); + + } + + return snippet; + + } + + generateTextureGrad( texture, textureProperty, uvSnippet, gradSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + // TODO handle i32 or u32 --> uvSnippet, array_index: A, ddx, ddy + return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`; + + } else { + + console.error( `WebGPURenderer: THREE.TextureNode.gradient() does not support ${ shaderStage } shader.` ); + + } + + } + + generateTextureCompare( texture, textureProperty, uvSnippet, compareSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + return `textureSampleCompare( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ compareSnippet } )`; + + } else { + + console.error( `WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${ shaderStage } shader.` ); + + } + + } + + generateTextureLevel( texture, textureProperty, uvSnippet, levelSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + let snippet = null; + + if ( texture.isVideoTexture === true ) { + + snippet = this._generateVideoSample( textureProperty, uvSnippet, shaderStage ); + + } else { + + snippet = this._generateTextureSampleLevel( texture, textureProperty, uvSnippet, levelSnippet, depthSnippet, shaderStage ); + + } + + return snippet; + + } + + getPropertyName( node, shaderStage = this.shaderStage ) { + + if ( node.isNodeVarying === true && node.needsInterpolation === true ) { + + if ( shaderStage === 'vertex' ) { + + return `varyings.${ node.name }`; + + } + + } else if ( node.isNodeUniform === true ) { + + const name = node.name; + const type = node.type; + + if ( type === 'texture' || type === 'cubeTexture' || type === 'storageTexture' || type === 'texture3D' ) { + + return name; + + } else if ( type === 'buffer' || type === 'storageBuffer' ) { + + return `NodeBuffer_${ node.id }.${name}`; + + } else { + + return node.groupNode.name + '.' + name; + + } + + } + + return super.getPropertyName( node ); + + } + + getOutputStructName() { + + return 'output'; + + } + + _getUniformGroupCount( shaderStage ) { + + return Object.keys( this.uniforms[ shaderStage ] ).length; + + } + + getFunctionOperator( op ) { + + const fnOp = wgslFnOpLib[ op ]; + + if ( fnOp !== undefined ) { + + this._include( fnOp ); + + return fnOp; + + } + + return null; + + } + + getStorageAccess( node ) { + + if ( node.isStorageTextureNode ) { + + switch ( node.access ) { + + case GPUStorageTextureAccess.ReadOnly: + + return 'read'; + + case GPUStorageTextureAccess.WriteOnly: + + return 'write'; + + default: + + return 'read_write'; + + } + + } else { + + switch ( node.access ) { + + case GPUBufferBindingType.Storage: + + return 'read_write'; + + + case GPUBufferBindingType.ReadOnlyStorage: + + return 'read'; + + default: + + return 'write'; + + } + + } + + } + + getUniformFromNode( node, type, shaderStage, name = null ) { + + const uniformNode = super.getUniformFromNode( node, type, shaderStage, name ); + const nodeData = this.getDataFromNode( node, shaderStage, this.globalCache ); + + if ( nodeData.uniformGPU === undefined ) { + + let uniformGPU; + + const group = node.groupNode; + const groupName = group.name; + + const bindings = this.getBindGroupArray( groupName, shaderStage ); + + if ( type === 'texture' || type === 'cubeTexture' || type === 'storageTexture' || type === 'texture3D' ) { + + let texture = null; + + if ( type === 'texture' || type === 'storageTexture' ) { + + texture = new NodeSampledTexture( uniformNode.name, uniformNode.node, group, node.access ? node.access : null ); + + } else if ( type === 'cubeTexture' ) { + + texture = new NodeSampledCubeTexture( uniformNode.name, uniformNode.node, group, node.access ? node.access : null ); + + } else if ( type === 'texture3D' ) { + + texture = new NodeSampledTexture3D( uniformNode.name, uniformNode.node, group, node.access ? node.access : null ); + + } + + texture.store = node.isStorageTextureNode === true; + texture.setVisibility( gpuShaderStageLib[ shaderStage ] ); + + if ( shaderStage === 'fragment' && this.isUnfilterable( node.value ) === false && texture.store === false ) { + + const sampler = new NodeSampler( `${uniformNode.name}_sampler`, uniformNode.node, group ); + sampler.setVisibility( gpuShaderStageLib[ shaderStage ] ); + + bindings.push( sampler, texture ); + + uniformGPU = [ sampler, texture ]; + + } else { + + bindings.push( texture ); + + uniformGPU = [ texture ]; + + } + + } else if ( type === 'buffer' || type === 'storageBuffer' ) { + + const bufferClass = type === 'storageBuffer' ? NodeStorageBuffer : NodeUniformBuffer; + const buffer = new bufferClass( node, group ); + buffer.setVisibility( gpuShaderStageLib[ shaderStage ] ); + + bindings.push( buffer ); + + uniformGPU = buffer; + + } else { + + const uniformsStage = this.uniformGroups[ shaderStage ] || ( this.uniformGroups[ shaderStage ] = {} ); + + let uniformsGroup = uniformsStage[ groupName ]; + + if ( uniformsGroup === undefined ) { + + uniformsGroup = new NodeUniformsGroup( groupName, group ); + uniformsGroup.setVisibility( gpuShaderStageLib[ shaderStage ] ); + + uniformsStage[ groupName ] = uniformsGroup; + + bindings.push( uniformsGroup ); + + } + + uniformGPU = this.getNodeUniform( uniformNode, type ); + + uniformsGroup.addUniform( uniformGPU ); + + } + + nodeData.uniformGPU = uniformGPU; + + } + + return uniformNode; + + } + + getBuiltin( name, property, type, shaderStage = this.shaderStage ) { + + const map = this.builtins[ shaderStage ] || ( this.builtins[ shaderStage ] = new Map() ); + + if ( map.has( name ) === false ) { + + map.set( name, { + name, + property, + type + } ); + + } + + return property; + + } + + getVertexIndex() { + + if ( this.shaderStage === 'vertex' ) { + + return this.getBuiltin( 'vertex_index', 'vertexIndex', 'u32', 'attribute' ); + + } + + return 'vertexIndex'; + + } + + buildFunctionCode( shaderNode ) { + + const layout = shaderNode.layout; + const flowData = this.flowShaderNode( shaderNode ); + + const parameters = []; + + for ( const input of layout.inputs ) { + + parameters.push( input.name + ' : ' + this.getType( input.type ) ); + + } + + // + + const code = `fn ${ layout.name }( ${ parameters.join( ', ' ) } ) -> ${ this.getType( layout.type ) } { +${ flowData.vars } +${ flowData.code } + return ${ flowData.result }; + +}`; + + // + + return code; + + } + + getInstanceIndex() { + + if ( this.shaderStage === 'vertex' ) { + + return this.getBuiltin( 'instance_index', 'instanceIndex', 'u32', 'attribute' ); + + } + + return 'instanceIndex'; + + } + + getDrawIndex() { + + return null; + + } + + getFrontFacing() { + + return this.getBuiltin( 'front_facing', 'isFront', 'bool' ); + + } + + getFragCoord() { + + return this.getBuiltin( 'position', 'fragCoord', 'vec4' ) + '.xyz'; + + } + + getFragDepth() { + + return 'output.' + this.getBuiltin( 'frag_depth', 'depth', 'f32', 'output' ); + + } + + isFlipY() { + + return false; + + } + + getBuiltins( shaderStage ) { + + const snippets = []; + const builtins = this.builtins[ shaderStage ]; + + if ( builtins !== undefined ) { + + for ( const { name, property, type } of builtins.values() ) { + + snippets.push( `@builtin( ${name} ) ${property} : ${type}` ); + + } + + } + + return snippets.join( ',\n\t' ); + + } + + getAttributes( shaderStage ) { + + const snippets = []; + + if ( shaderStage === 'compute' ) { + + this.getBuiltin( 'global_invocation_id', 'id', 'vec3', 'attribute' ); + + } + + if ( shaderStage === 'vertex' || shaderStage === 'compute' ) { + + const builtins = this.getBuiltins( 'attribute' ); + + if ( builtins ) snippets.push( builtins ); + + const attributes = this.getAttributesArray(); + + for ( let index = 0, length = attributes.length; index < length; index ++ ) { + + const attribute = attributes[ index ]; + const name = attribute.name; + const type = this.getType( attribute.type ); + + snippets.push( `@location( ${index} ) ${ name } : ${ type }` ); + + } + + } + + return snippets.join( ',\n\t' ); + + } + + getStructMembers( struct ) { + + const snippets = []; + const members = struct.getMemberTypes(); + + for ( let i = 0; i < members.length; i ++ ) { + + const member = members[ i ]; + snippets.push( `\t@location( ${i} ) m${i} : ${ member }` ); + + } + + const builtins = this.getBuiltins( 'output' ); + + if ( builtins ) snippets.push( builtins ); + + return snippets.join( ',\n' ); + + } + + getStructs( shaderStage ) { + + const snippets = []; + const structs = this.structs[ shaderStage ]; + + for ( let index = 0, length = structs.length; index < length; index ++ ) { + + const struct = structs[ index ]; + const name = struct.name; + + let snippet = `\struct ${ name } {\n`; + snippet += this.getStructMembers( struct ); + snippet += '\n}'; + + + snippets.push( snippet ); + + snippets.push( `\nvar output : ${ name };\n\n` ); + + } + + return snippets.join( '\n\n' ); + + } + + getVar( type, name ) { + + return `var ${ name } : ${ this.getType( type ) }`; + + } + + getVars( shaderStage ) { + + const snippets = []; + const vars = this.vars[ shaderStage ]; + + if ( vars !== undefined ) { + + for ( const variable of vars ) { + + snippets.push( `\t${ this.getVar( variable.type, variable.name ) };` ); + + } + + } + + return `\n${ snippets.join( '\n' ) }\n`; + + } + + getVaryings( shaderStage ) { + + const snippets = []; + + if ( shaderStage === 'vertex' ) { + + this.getBuiltin( 'position', 'Vertex', 'vec4', 'vertex' ); + + } + + if ( shaderStage === 'vertex' || shaderStage === 'fragment' ) { + + const varyings = this.varyings; + const vars = this.vars[ shaderStage ]; + + for ( let index = 0; index < varyings.length; index ++ ) { + + const varying = varyings[ index ]; + + if ( varying.needsInterpolation ) { + + let attributesSnippet = `@location( ${index} )`; + + if ( /^(int|uint|ivec|uvec)/.test( varying.type ) ) { + + attributesSnippet += ' @interpolate( flat )'; + + + } + + snippets.push( `${ attributesSnippet } ${ varying.name } : ${ this.getType( varying.type ) }` ); + + } else if ( shaderStage === 'vertex' && vars.includes( varying ) === false ) { + + vars.push( varying ); + + } + + } + + } + + const builtins = this.getBuiltins( shaderStage ); + + if ( builtins ) snippets.push( builtins ); + + const code = snippets.join( ',\n\t' ); + + return shaderStage === 'vertex' ? this._getWGSLStruct( 'VaryingsStruct', '\t' + code ) : code; + + } + + getUniforms( shaderStage ) { + + const uniforms = this.uniforms[ shaderStage ]; + + const bindingSnippets = []; + const bufferSnippets = []; + const structSnippets = []; + const uniformGroups = {}; + + for ( const uniform of uniforms ) { + + const groundName = uniform.groupNode.name; + const uniformIndexes = this.bindingsIndexes[ groundName ]; + + if ( uniform.type === 'texture' || uniform.type === 'cubeTexture' || uniform.type === 'storageTexture' || uniform.type === 'texture3D' ) { + + const texture = uniform.node.value; + + if ( shaderStage === 'fragment' && this.isUnfilterable( texture ) === false && uniform.node.isStorageTextureNode !== true ) { + + if ( texture.isDepthTexture === true && texture.compareFunction !== null ) { + + bindingSnippets.push( `@binding( ${ uniformIndexes.binding ++ } ) @group( ${ uniformIndexes.group } ) var ${ uniform.name }_sampler : sampler_comparison;` ); + + } else { + + bindingSnippets.push( `@binding( ${ uniformIndexes.binding ++ } ) @group( ${ uniformIndexes.group } ) var ${ uniform.name }_sampler : sampler;` ); + + } + + } + + let textureType; + + if ( texture.isCubeTexture === true ) { + + textureType = 'texture_cube'; + + } else if ( texture.isDataArrayTexture === true ) { + + textureType = 'texture_2d_array'; + + } else if ( texture.isDepthTexture === true ) { + + textureType = 'texture_depth_2d'; + + } else if ( texture.isVideoTexture === true ) { + + textureType = 'texture_external'; + + } else if ( texture.isData3DTexture === true ) { + + textureType = 'texture_3d'; + + } else if ( uniform.node.isStorageTextureNode === true ) { + + const format = getFormat( texture ); + const access = this.getStorageAccess( uniform.node ); + + textureType = `texture_storage_2d<${ format }, ${ access }>`; + + } else { + + const componentPrefix = this.getComponentTypeFromTexture( texture ).charAt( 0 ); + + textureType = `texture_2d<${ componentPrefix }32>`; + + } + + bindingSnippets.push( `@binding( ${ uniformIndexes.binding ++ } ) @group( ${ uniformIndexes.group } ) var ${ uniform.name } : ${ textureType };` ); + + } else if ( uniform.type === 'buffer' || uniform.type === 'storageBuffer' ) { + + const bufferNode = uniform.node; + const bufferType = this.getType( bufferNode.bufferType ); + const bufferCount = bufferNode.bufferCount; + + const bufferCountSnippet = bufferCount > 0 ? ', ' + bufferCount : ''; + const bufferSnippet = `\t${ uniform.name } : array< ${ bufferType }${ bufferCountSnippet } >\n`; + const bufferAccessMode = bufferNode.isStorageBufferNode ? `storage, ${ this.getStorageAccess( bufferNode ) }` : 'uniform'; + + bufferSnippets.push( this._getWGSLStructBinding( 'NodeBuffer_' + bufferNode.id, bufferSnippet, bufferAccessMode, uniformIndexes.binding ++, uniformIndexes.group ) ); + + } else { + + const vectorType = this.getType( this.getVectorType( uniform.type ) ); + const groupName = uniform.groupNode.name; + + const group = uniformGroups[ groupName ] || ( uniformGroups[ groupName ] = { + index: uniformIndexes.binding ++, + id: uniformIndexes.group, + snippets: [] + } ); + + group.snippets.push( `\t${ uniform.name } : ${ vectorType }` ); + + } + + } + + for ( const name in uniformGroups ) { + + const group = uniformGroups[ name ]; + + structSnippets.push( this._getWGSLStructBinding( name, group.snippets.join( ',\n' ), 'uniform', group.index, group.id ) ); + + } + + let code = bindingSnippets.join( '\n' ); + code += bufferSnippets.join( '\n' ); + code += structSnippets.join( '\n' ); + + return code; + + } + + buildCode() { + + const shadersData = this.material !== null ? { fragment: {}, vertex: {} } : { compute: {} }; + + for ( const shaderStage in shadersData ) { + + const stageData = shadersData[ shaderStage ]; + stageData.uniforms = this.getUniforms( shaderStage ); + stageData.attributes = this.getAttributes( shaderStage ); + stageData.varyings = this.getVaryings( shaderStage ); + stageData.structs = this.getStructs( shaderStage ); + stageData.vars = this.getVars( shaderStage ); + stageData.codes = this.getCodes( shaderStage ); + + // + + let flow = '// code\n\n'; + flow += this.flowCode[ shaderStage ]; + + const flowNodes = this.flowNodes[ shaderStage ]; + const mainNode = flowNodes[ flowNodes.length - 1 ]; + + const outputNode = mainNode.outputNode; + const isOutputStruct = ( outputNode !== undefined && outputNode.isOutputStructNode === true ); + + for ( const node of flowNodes ) { + + const flowSlotData = this.getFlowData( node/*, shaderStage*/ ); + const slotName = node.name; + + if ( slotName ) { + + if ( flow.length > 0 ) flow += '\n'; + + flow += `\t// flow -> ${ slotName }\n\t`; + + } + + flow += `${ flowSlotData.code }\n\t`; + + if ( node === mainNode && shaderStage !== 'compute' ) { + + flow += '// result\n\n\t'; + + if ( shaderStage === 'vertex' ) { + + flow += `varyings.Vertex = ${ flowSlotData.result };`; + + } else if ( shaderStage === 'fragment' ) { + + if ( isOutputStruct ) { + + stageData.returnType = outputNode.nodeType; + + flow += `return ${ flowSlotData.result };`; + + } else { + + let structSnippet = '\t@location(0) color: vec4'; + + const builtins = this.getBuiltins( 'output' ); + + if ( builtins ) structSnippet += ',\n\t' + builtins; + + stageData.returnType = 'OutputStruct'; + stageData.structs += this._getWGSLStruct( 'OutputStruct', structSnippet ); + stageData.structs += '\nvar output : OutputStruct;\n\n'; + + flow += `output.color = ${ flowSlotData.result };\n\n\treturn output;`; + + } + + } + + } + + } + + stageData.flow = flow; + + + } + + if ( this.material !== null ) { + + this.vertexShader = this._getWGSLVertexCode( shadersData.vertex ); + this.fragmentShader = this._getWGSLFragmentCode( shadersData.fragment ); + + } else { + + this.computeShader = this._getWGSLComputeCode( shadersData.compute, ( this.object.workgroupSize || [ 64 ] ).join( ', ' ) ); + + } + + } + + getMethod( method, output = null ) { + + let wgslMethod; + + if ( output !== null ) { + + wgslMethod = this._getWGSLMethod( method + '_' + output ); + + } + + if ( wgslMethod === undefined ) { + + wgslMethod = this._getWGSLMethod( method ); + + } + + return wgslMethod || method; + + } + + getType( type ) { + + return wgslTypeLib[ type ] || type; + + } + + isAvailable( name ) { + + let result = supports[ name ]; + + if ( result === undefined ) { + + if ( name === 'float32Filterable' ) { + + result = this.renderer.hasFeature( 'float32-filterable' ); + + } + + supports[ name ] = result; + + } + + return result; + + } + + _getWGSLMethod( method ) { + + if ( wgslPolyfill[ method ] !== undefined ) { + + this._include( method ); + + } + + return wgslMethods[ method ]; + + } + + _include( name ) { + + const codeNode = wgslPolyfill[ name ]; + codeNode.build( this ); + + if ( this.currentFunctionNode !== null ) { + + this.currentFunctionNode.includes.push( codeNode ); + + } + + return codeNode; + + } + + _getWGSLVertexCode( shaderData ) { + + return `${ this.getSignature() } + +// uniforms +${shaderData.uniforms} + +// varyings +${shaderData.varyings} +var varyings : VaryingsStruct; + +// codes +${shaderData.codes} + +@vertex +fn main( ${shaderData.attributes} ) -> VaryingsStruct { + + // vars + ${shaderData.vars} + + // flow + ${shaderData.flow} + + return varyings; + +} +`; + + } + + _getWGSLFragmentCode( shaderData ) { + + return `${ this.getSignature() } + +// uniforms +${shaderData.uniforms} + +// structs +${shaderData.structs} + +// codes +${shaderData.codes} + +@fragment +fn main( ${shaderData.varyings} ) -> ${shaderData.returnType} { + + // vars + ${shaderData.vars} + + // flow + ${shaderData.flow} + +} +`; + + } + + _getWGSLComputeCode( shaderData, workgroupSize ) { + + return `${ this.getSignature() } +// system +var instanceIndex : u32; + +// uniforms +${shaderData.uniforms} + +// codes +${shaderData.codes} + +@compute @workgroup_size( ${workgroupSize} ) +fn main( ${shaderData.attributes} ) { + + // system + instanceIndex = id.x; + + // vars + ${shaderData.vars} + + // flow + ${shaderData.flow} + +} +`; + + } + + _getWGSLStruct( name, vars ) { + + return ` +struct ${name} { +${vars} +};`; + + } + + _getWGSLStructBinding( name, vars, access, binding = 0, group = 0 ) { + + const structName = name + 'Struct'; + const structSnippet = this._getWGSLStruct( structName, vars ); + + return `${structSnippet} +@binding( ${binding} ) @group( ${group} ) +var<${access}> ${name} : ${structName};`; + + } + +} + +class WebGPUUtils { + + constructor( backend ) { + + this.backend = backend; + + } + + getCurrentDepthStencilFormat( renderContext ) { + + let format; + + if ( renderContext.depthTexture !== null ) { + + format = this.getTextureFormatGPU( renderContext.depthTexture ); + + } else if ( renderContext.depth && renderContext.stencil ) { + + format = GPUTextureFormat.Depth24PlusStencil8; + + } else if ( renderContext.depth ) { + + format = GPUTextureFormat.Depth24Plus; + + } + + return format; + + } + + getTextureFormatGPU( texture ) { + + return this.backend.get( texture ).texture.format; + + } + + getCurrentColorFormat( renderContext ) { + + let format; + + if ( renderContext.textures !== null ) { + + format = this.getTextureFormatGPU( renderContext.textures[ 0 ] ); + + + } else { + + format = GPUTextureFormat.BGRA8Unorm; // default context format + + } + + return format; + + } + + getCurrentColorSpace( renderContext ) { + + if ( renderContext.textures !== null ) { + + return renderContext.textures[ 0 ].colorSpace; + + } + + return this.backend.renderer.outputColorSpace; + + } + + getPrimitiveTopology( object, material ) { + + if ( object.isPoints ) return GPUPrimitiveTopology.PointList; + else if ( object.isLineSegments || ( object.isMesh && material.wireframe === true ) ) return GPUPrimitiveTopology.LineList; + else if ( object.isLine ) return GPUPrimitiveTopology.LineStrip; + else if ( object.isMesh ) return GPUPrimitiveTopology.TriangleList; + + } + + getSampleCount( renderContext ) { + + if ( renderContext.textures !== null ) { + + return renderContext.sampleCount; + + } + + return this.backend.parameters.sampleCount; + + } + +} + +const typedArraysToVertexFormatPrefix = new Map( [ + [ Int8Array, [ 'sint8', 'snorm8' ]], + [ Uint8Array, [ 'uint8', 'unorm8' ]], + [ Int16Array, [ 'sint16', 'snorm16' ]], + [ Uint16Array, [ 'uint16', 'unorm16' ]], + [ Int32Array, [ 'sint32', 'snorm32' ]], + [ Uint32Array, [ 'uint32', 'unorm32' ]], + [ Float32Array, [ 'float32', ]], +] ); + +const typedAttributeToVertexFormatPrefix = new Map( [ + [ Float16BufferAttribute, [ 'float16', ]], +] ); + +const typeArraysToVertexFormatPrefixForItemSize1 = new Map( [ + [ Int32Array, 'sint32' ], + [ Int16Array, 'sint32' ], // patch for INT16 + [ Uint32Array, 'uint32' ], + [ Uint16Array, 'uint32' ], // patch for UINT16 + [ Float32Array, 'float32' ] +] ); + +class WebGPUAttributeUtils { + + constructor( backend ) { + + this.backend = backend; + + } + + createAttribute( attribute, usage ) { + + const bufferAttribute = this._getBufferAttribute( attribute ); + + const backend = this.backend; + const bufferData = backend.get( bufferAttribute ); + + let buffer = bufferData.buffer; + + if ( buffer === undefined ) { + + const device = backend.device; + + let array = bufferAttribute.array; + + // patch for INT16 and UINT16 + if ( attribute.normalized === false && ( array.constructor === Int16Array || array.constructor === Uint16Array ) ) { + + const tempArray = new Uint32Array( array.length ); + for ( let i = 0; i < array.length; i ++ ) { + + tempArray[ i ] = array[ i ]; + + } + + array = tempArray; + + } + + bufferAttribute.array = array; + + if ( ( bufferAttribute.isStorageBufferAttribute || bufferAttribute.isStorageInstancedBufferAttribute ) && bufferAttribute.itemSize === 3 ) { + + array = new array.constructor( bufferAttribute.count * 4 ); + + for ( let i = 0; i < bufferAttribute.count; i ++ ) { + + array.set( bufferAttribute.array.subarray( i * 3, i * 3 + 3 ), i * 4 ); + + } + + // Update BufferAttribute + bufferAttribute.itemSize = 4; + bufferAttribute.array = array; + + } + + const size = array.byteLength + ( ( 4 - ( array.byteLength % 4 ) ) % 4 ); // ensure 4 byte alignment, see #20441 + + buffer = device.createBuffer( { + label: bufferAttribute.name, + size: size, + usage: usage, + mappedAtCreation: true + } ); + + new array.constructor( buffer.getMappedRange() ).set( array ); + + buffer.unmap(); + + bufferData.buffer = buffer; + + } + + } + + updateAttribute( attribute ) { + + const bufferAttribute = this._getBufferAttribute( attribute ); + + const backend = this.backend; + const device = backend.device; + + const buffer = backend.get( bufferAttribute ).buffer; + + const array = bufferAttribute.array; + const updateRanges = bufferAttribute.updateRanges; + + if ( updateRanges.length === 0 ) { + + // Not using update ranges + + device.queue.writeBuffer( + buffer, + 0, + array, + 0 + ); + + } else { + + for ( let i = 0, l = updateRanges.length; i < l; i ++ ) { + + const range = updateRanges[ i ]; + device.queue.writeBuffer( + buffer, + 0, + array, + range.start * array.BYTES_PER_ELEMENT, + range.count * array.BYTES_PER_ELEMENT + ); + + } + + bufferAttribute.clearUpdateRanges(); + + } + + } + + createShaderVertexBuffers( renderObject ) { + + const attributes = renderObject.getAttributes(); + const vertexBuffers = new Map(); + + for ( let slot = 0; slot < attributes.length; slot ++ ) { + + const geometryAttribute = attributes[ slot ]; + const bytesPerElement = geometryAttribute.array.BYTES_PER_ELEMENT; + const bufferAttribute = this._getBufferAttribute( geometryAttribute ); + + let vertexBufferLayout = vertexBuffers.get( bufferAttribute ); + + if ( vertexBufferLayout === undefined ) { + + let arrayStride, stepMode; + + if ( geometryAttribute.isInterleavedBufferAttribute === true ) { + + arrayStride = geometryAttribute.data.stride * bytesPerElement; + stepMode = geometryAttribute.data.isInstancedInterleavedBuffer ? GPUInputStepMode.Instance : GPUInputStepMode.Vertex; + + } else { + + arrayStride = geometryAttribute.itemSize * bytesPerElement; + stepMode = geometryAttribute.isInstancedBufferAttribute ? GPUInputStepMode.Instance : GPUInputStepMode.Vertex; + + } + + // patch for INT16 and UINT16 + if ( geometryAttribute.normalized === false && ( geometryAttribute.array.constructor === Int16Array || geometryAttribute.array.constructor === Uint16Array ) ) { + + arrayStride = 4; + + } + + vertexBufferLayout = { + arrayStride, + attributes: [], + stepMode + }; + + vertexBuffers.set( bufferAttribute, vertexBufferLayout ); + + } + + const format = this._getVertexFormat( geometryAttribute ); + const offset = ( geometryAttribute.isInterleavedBufferAttribute === true ) ? geometryAttribute.offset * bytesPerElement : 0; + + vertexBufferLayout.attributes.push( { + shaderLocation: slot, + offset, + format + } ); + + } + + return Array.from( vertexBuffers.values() ); + + } + + destroyAttribute( attribute ) { + + const backend = this.backend; + const data = backend.get( this._getBufferAttribute( attribute ) ); + + data.buffer.destroy(); + + backend.delete( attribute ); + + } + + async getArrayBufferAsync( attribute ) { + + const backend = this.backend; + const device = backend.device; + + const data = backend.get( this._getBufferAttribute( attribute ) ); + + const bufferGPU = data.buffer; + const size = bufferGPU.size; + + let readBufferGPU = data.readBuffer; + let needsUnmap = true; + + if ( readBufferGPU === undefined ) { + + readBufferGPU = device.createBuffer( { + label: attribute.name, + size, + usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ + } ); + + needsUnmap = false; + + data.readBuffer = readBufferGPU; + + } + + const cmdEncoder = device.createCommandEncoder( {} ); + + cmdEncoder.copyBufferToBuffer( + bufferGPU, + 0, + readBufferGPU, + 0, + size + ); + + if ( needsUnmap ) readBufferGPU.unmap(); + + const gpuCommands = cmdEncoder.finish(); + device.queue.submit( [ gpuCommands ] ); + + await readBufferGPU.mapAsync( GPUMapMode.READ ); + + const arrayBuffer = readBufferGPU.getMappedRange(); + + return arrayBuffer; + + } + + _getVertexFormat( geometryAttribute ) { + + const { itemSize, normalized } = geometryAttribute; + const ArrayType = geometryAttribute.array.constructor; + const AttributeType = geometryAttribute.constructor; + + let format; + + if ( itemSize == 1 ) { + + format = typeArraysToVertexFormatPrefixForItemSize1.get( ArrayType ); + + } else { + + const prefixOptions = typedAttributeToVertexFormatPrefix.get( AttributeType ) || typedArraysToVertexFormatPrefix.get( ArrayType ); + const prefix = prefixOptions[ normalized ? 1 : 0 ]; + + if ( prefix ) { + + const bytesPerUnit = ArrayType.BYTES_PER_ELEMENT * itemSize; + const paddedBytesPerUnit = Math.floor( ( bytesPerUnit + 3 ) / 4 ) * 4; + const paddedItemSize = paddedBytesPerUnit / ArrayType.BYTES_PER_ELEMENT; + + if ( paddedItemSize % 1 ) { + + throw new Error( 'THREE.WebGPUAttributeUtils: Bad vertex format item size.' ); + + } + + format = `${prefix}x${paddedItemSize}`; + + } + + } + + if ( ! format ) { + + console.error( 'THREE.WebGPUAttributeUtils: Vertex format not supported yet.' ); + + } + + return format; + + } + + _getBufferAttribute( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + return attribute; + + } + +} + +class WebGPUBindingUtils { + + constructor( backend ) { + + this.backend = backend; + + } + + createBindingsLayout( bindGroup ) { + + const backend = this.backend; + const device = backend.device; + + const entries = []; + + let index = 0; + + for ( const binding of bindGroup.bindings ) { + + const bindingGPU = { + binding: index ++, + visibility: binding.visibility + }; + + if ( binding.isUniformBuffer || binding.isStorageBuffer ) { + + const buffer = {}; // GPUBufferBindingLayout + + if ( binding.isStorageBuffer ) { + + buffer.type = binding.access; + + } + + bindingGPU.buffer = buffer; + + } else if ( binding.isSampler ) { + + const sampler = {}; // GPUSamplerBindingLayout + + if ( binding.texture.isDepthTexture ) { + + if ( binding.texture.compareFunction !== null ) { + + sampler.type = 'comparison'; + + } + + } + + bindingGPU.sampler = sampler; + + } else if ( binding.isSampledTexture && binding.texture.isVideoTexture ) { + + bindingGPU.externalTexture = {}; // GPUExternalTextureBindingLayout + + } else if ( binding.isSampledTexture && binding.store ) { + + const format = this.backend.get( binding.texture ).texture.format; + const access = binding.access; + + bindingGPU.storageTexture = { format, access }; // GPUStorageTextureBindingLayout + + } else if ( binding.isSampledTexture ) { + + const texture = {}; // GPUTextureBindingLayout + + if ( binding.texture.isDepthTexture ) { + + texture.sampleType = GPUTextureSampleType.Depth; + + } else if ( binding.texture.isDataTexture ) { + + const type = binding.texture.type; + + if ( type === IntType ) { + + texture.sampleType = GPUTextureSampleType.SInt; + + } else if ( type === UnsignedIntType ) { + + texture.sampleType = GPUTextureSampleType.UInt; + + } else if ( type === FloatType ) { + + // @TODO: Add support for this soon: backend.hasFeature( 'float32-filterable' ) + + texture.sampleType = GPUTextureSampleType.UnfilterableFloat; + + } + + } + + if ( binding.isSampledCubeTexture ) { + + texture.viewDimension = GPUTextureViewDimension.Cube; + + } else if ( binding.texture.isDataArrayTexture ) { + + texture.viewDimension = GPUTextureViewDimension.TwoDArray; + + } else if ( binding.isSampledTexture3D ) { + + texture.viewDimension = GPUTextureViewDimension.ThreeD; + + } + + bindingGPU.texture = texture; + + } else { + + console.error( `WebGPUBindingUtils: Unsupported binding "${ binding }".` ); + + } + + entries.push( bindingGPU ); + + } + + return device.createBindGroupLayout( { entries } ); + + } + + createBindings( bindGroup ) { + + const backend = this.backend; + const bindingsData = backend.get( bindGroup ); + + // setup (static) binding layout and (dynamic) binding group + + const bindLayoutGPU = this.createBindingsLayout( bindGroup ); + const bindGroupGPU = this.createBindGroup( bindGroup, bindLayoutGPU ); + + bindingsData.layout = bindLayoutGPU; + bindingsData.group = bindGroupGPU; + + } + + updateBinding( binding ) { + + const backend = this.backend; + const device = backend.device; + + const buffer = binding.buffer; + const bufferGPU = backend.get( binding ).buffer; + + device.queue.writeBuffer( bufferGPU, 0, buffer, 0 ); + + } + + createBindGroup( bindGroup, layoutGPU ) { + + const backend = this.backend; + const device = backend.device; + + let bindingPoint = 0; + const entriesGPU = []; + + for ( const binding of bindGroup.bindings ) { + + if ( binding.isUniformBuffer ) { + + const bindingData = backend.get( binding ); + + if ( bindingData.buffer === undefined ) { + + const byteLength = binding.byteLength; + + const usage = GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST; + + const bufferGPU = device.createBuffer( { + label: 'bindingBuffer_' + binding.name, + size: byteLength, + usage: usage + } ); + + bindingData.buffer = bufferGPU; + + } + + entriesGPU.push( { binding: bindingPoint, resource: { buffer: bindingData.buffer } } ); + + } else if ( binding.isStorageBuffer ) { + + const bindingData = backend.get( binding ); + + if ( bindingData.buffer === undefined ) { + + const attribute = binding.attribute; + //const usage = GPUBufferUsage.STORAGE | GPUBufferUsage.VERTEX | /*GPUBufferUsage.COPY_SRC |*/ GPUBufferUsage.COPY_DST; + + //backend.attributeUtils.createAttribute( attribute, usage ); // @TODO: Move it to universal renderer + + bindingData.buffer = backend.get( attribute ).buffer; + + } + + entriesGPU.push( { binding: bindingPoint, resource: { buffer: bindingData.buffer } } ); + + } else if ( binding.isSampler ) { + + const textureGPU = backend.get( binding.texture ); + + entriesGPU.push( { binding: bindingPoint, resource: textureGPU.sampler } ); + + } else if ( binding.isSampledTexture ) { + + const textureData = backend.get( binding.texture ); + + let dimensionViewGPU; + + if ( binding.isSampledCubeTexture ) { + + dimensionViewGPU = GPUTextureViewDimension.Cube; + + } else if ( binding.isSampledTexture3D ) { + + dimensionViewGPU = GPUTextureViewDimension.ThreeD; + + } else if ( binding.texture.isDataArrayTexture ) { + + dimensionViewGPU = GPUTextureViewDimension.TwoDArray; + + } else { + + dimensionViewGPU = GPUTextureViewDimension.TwoD; + + } + + let resourceGPU; + + if ( textureData.externalTexture !== undefined ) { + + resourceGPU = device.importExternalTexture( { source: textureData.externalTexture } ); + + } else { + + const aspectGPU = GPUTextureAspect.All; + + resourceGPU = textureData.texture.createView( { aspect: aspectGPU, dimension: dimensionViewGPU, mipLevelCount: binding.store ? 1 : textureData.mipLevelCount } ); + + } + + entriesGPU.push( { binding: bindingPoint, resource: resourceGPU } ); + + } + + bindingPoint ++; + + } + + return device.createBindGroup( { + label: 'bindGroup_' + bindGroup.name, + layout: layoutGPU, + entries: entriesGPU + } ); + + } + +} + +class WebGPUPipelineUtils { + + constructor( backend ) { + + this.backend = backend; + + } + + _getSampleCount( renderObjectContext ) { + + let sampleCount = this.backend.utils.getSampleCount( renderObjectContext ); + + if ( sampleCount > 1 ) { + + // WebGPU only supports power-of-two sample counts and 2 is not a valid value + sampleCount = Math.pow( 2, Math.floor( Math.log2( sampleCount ) ) ); + + if ( sampleCount === 2 ) { + + sampleCount = 4; + + } + + } + + return sampleCount; + + } + + createRenderPipeline( renderObject, promises ) { + + const { object, material, geometry, pipeline } = renderObject; + const { vertexProgram, fragmentProgram } = pipeline; + + const backend = this.backend; + const device = backend.device; + const utils = backend.utils; + + const pipelineData = backend.get( pipeline ); + + // bind group layouts + + const bindGroupLayouts = []; + + for ( const bindGroup of renderObject.getBindings() ) { + + const bindingsData = backend.get( bindGroup ); + + bindGroupLayouts.push( bindingsData.layout ); + + } + + // vertex buffers + + const vertexBuffers = backend.attributeUtils.createShaderVertexBuffers( renderObject ); + + // blending + + let blending; + + if ( material.transparent === true && material.blending !== NoBlending ) { + + blending = this._getBlending( material ); + + } + + // stencil + + let stencilFront = {}; + + if ( material.stencilWrite === true ) { + + stencilFront = { + compare: this._getStencilCompare( material ), + failOp: this._getStencilOperation( material.stencilFail ), + depthFailOp: this._getStencilOperation( material.stencilZFail ), + passOp: this._getStencilOperation( material.stencilZPass ) + }; + + } + + const colorWriteMask = this._getColorWriteMask( material ); + + const targets = []; + + if ( renderObject.context.textures !== null ) { + + const textures = renderObject.context.textures; + + for ( let i = 0; i < textures.length; i ++ ) { + + const colorFormat = utils.getTextureFormatGPU( textures[ i ] ); + + targets.push( { + format: colorFormat, + blend: blending, + writeMask: colorWriteMask + } ); + + } + + } else { + + const colorFormat = utils.getCurrentColorFormat( renderObject.context ); + + targets.push( { + format: colorFormat, + blend: blending, + writeMask: colorWriteMask + } ); + + } + + const vertexModule = backend.get( vertexProgram ).module; + const fragmentModule = backend.get( fragmentProgram ).module; + + const primitiveState = this._getPrimitiveState( object, geometry, material ); + const depthCompare = this._getDepthCompare( material ); + const depthStencilFormat = utils.getCurrentDepthStencilFormat( renderObject.context ); + + const sampleCount = this._getSampleCount( renderObject.context ); + + const pipelineDescriptor = { + label: 'renderPipeline', + vertex: Object.assign( {}, vertexModule, { buffers: vertexBuffers } ), + fragment: Object.assign( {}, fragmentModule, { targets } ), + primitive: primitiveState, + depthStencil: { + format: depthStencilFormat, + depthWriteEnabled: material.depthWrite, + depthCompare: depthCompare, + stencilFront: stencilFront, + stencilBack: {}, // three.js does not provide an API to configure the back function (gl.stencilFuncSeparate() was never used) + stencilReadMask: material.stencilFuncMask, + stencilWriteMask: material.stencilWriteMask + }, + multisample: { + count: sampleCount, + alphaToCoverageEnabled: material.alphaToCoverage + }, + layout: device.createPipelineLayout( { + bindGroupLayouts + } ) + }; + + if ( promises === null ) { + + pipelineData.pipeline = device.createRenderPipeline( pipelineDescriptor ); + + } else { + + const p = new Promise( ( resolve /*, reject*/ ) => { + + device.createRenderPipelineAsync( pipelineDescriptor ).then( pipeline => { + + pipelineData.pipeline = pipeline; + resolve(); + + } ); + + } ); + + promises.push( p ); + + } + + } + + createBundleEncoder( renderContext, renderObject ) { + + const backend = this.backend; + const { utils, device } = backend; + + const renderContextData = backend.get( renderContext ); + const renderObjectData = backend.get( renderObject ); + + const depthStencilFormat = utils.getCurrentDepthStencilFormat( renderContext ); + const colorFormat = utils.getCurrentColorFormat( renderContext ); + const sampleCount = this._getSampleCount( renderObject.context ); + + const descriptor = { + label: 'renderBundleEncoder', + colorFormats: [ colorFormat ], + depthStencilFormat, + sampleCount + }; + + const bundleEncoder = device.createRenderBundleEncoder( descriptor ); + + renderObjectData.bundleEncoder = bundleEncoder; + renderContextData.currentSets = { attributes: {} }; + renderContextData._renderBundleViewport = renderContext.width + '_' + renderContext.height; + + return bundleEncoder; + + } + + createComputePipeline( pipeline, bindings ) { + + const backend = this.backend; + const device = backend.device; + + const computeProgram = backend.get( pipeline.computeProgram ).module; + + const pipelineGPU = backend.get( pipeline ); + + // bind group layouts + + const bindGroupLayouts = []; + + for ( const bindingsGroup of bindings ) { + + const bindingsData = backend.get( bindingsGroup ); + + bindGroupLayouts.push( bindingsData.layout ); + + } + + pipelineGPU.pipeline = device.createComputePipeline( { + compute: computeProgram, + layout: device.createPipelineLayout( { + bindGroupLayouts + } ) + } ); + + } + + _getBlending( material ) { + + let color, alpha; + + const blending = material.blending; + const blendSrc = material.blendSrc; + const blendDst = material.blendDst; + const blendEquation = material.blendEquation; + + + if ( blending === CustomBlending ) { + + const blendSrcAlpha = material.blendSrcAlpha !== null ? material.blendSrcAlpha : blendSrc; + const blendDstAlpha = material.blendDstAlpha !== null ? material.blendDstAlpha : blendDst; + const blendEquationAlpha = material.blendEquationAlpha !== null ? material.blendEquationAlpha : blendEquation; + + color = { + srcFactor: this._getBlendFactor( blendSrc ), + dstFactor: this._getBlendFactor( blendDst ), + operation: this._getBlendOperation( blendEquation ) + }; + + alpha = { + srcFactor: this._getBlendFactor( blendSrcAlpha ), + dstFactor: this._getBlendFactor( blendDstAlpha ), + operation: this._getBlendOperation( blendEquationAlpha ) + }; + + } else { + + const premultipliedAlpha = material.premultipliedAlpha; + + const setBlend = ( srcRGB, dstRGB, srcAlpha, dstAlpha ) => { + + color = { + srcFactor: srcRGB, + dstFactor: dstRGB, + operation: GPUBlendOperation.Add + }; + + alpha = { + srcFactor: srcAlpha, + dstFactor: dstAlpha, + operation: GPUBlendOperation.Add + }; + + }; + + if ( premultipliedAlpha ) { + + switch ( blending ) { + + case NormalBlending: + setBlend( GPUBlendFactor.SrcAlpha, GPUBlendFactor.OneMinusSrcAlpha, GPUBlendFactor.One, GPUBlendFactor.OneMinusSrcAlpha ); + break; + + case AdditiveBlending: + setBlend( GPUBlendFactor.SrcAlpha, GPUBlendFactor.One, GPUBlendFactor.One, GPUBlendFactor.One ); + break; + + case SubtractiveBlending: + setBlend( GPUBlendFactor.Zero, GPUBlendFactor.OneMinusSrc, GPUBlendFactor.Zero, GPUBlendFactor.One ); + break; + + case MultiplyBlending: + setBlend( GPUBlendFactor.Zero, GPUBlendFactor.Src, GPUBlendFactor.Zero, GPUBlendFactor.SrcAlpha ); + break; + + } + + } else { + + switch ( blending ) { + + case NormalBlending: + setBlend( GPUBlendFactor.SrcAlpha, GPUBlendFactor.OneMinusSrcAlpha, GPUBlendFactor.One, GPUBlendFactor.OneMinusSrcAlpha ); + break; + + case AdditiveBlending: + setBlend( GPUBlendFactor.SrcAlpha, GPUBlendFactor.One, GPUBlendFactor.SrcAlpha, GPUBlendFactor.One ); + break; + + case SubtractiveBlending: + setBlend( GPUBlendFactor.Zero, GPUBlendFactor.OneMinusSrc, GPUBlendFactor.Zero, GPUBlendFactor.One ); + break; + + case MultiplyBlending: + setBlend( GPUBlendFactor.Zero, GPUBlendFactor.Src, GPUBlendFactor.Zero, GPUBlendFactor.Src ); + break; + + } + + } + + } + + if ( color !== undefined && alpha !== undefined ) { + + return { color, alpha }; + + } else { + + console.error( 'THREE.WebGPURenderer: Invalid blending: ', blending ); + + } + + } + + _getBlendFactor( blend ) { + + let blendFactor; + + switch ( blend ) { + + case ZeroFactor: + blendFactor = GPUBlendFactor.Zero; + break; + + case OneFactor: + blendFactor = GPUBlendFactor.One; + break; + + case SrcColorFactor: + blendFactor = GPUBlendFactor.Src; + break; + + case OneMinusSrcColorFactor: + blendFactor = GPUBlendFactor.OneMinusSrc; + break; + + case SrcAlphaFactor: + blendFactor = GPUBlendFactor.SrcAlpha; + break; + + case OneMinusSrcAlphaFactor: + blendFactor = GPUBlendFactor.OneMinusSrcAlpha; + break; + + case DstColorFactor: + blendFactor = GPUBlendFactor.Dst; + break; + + case OneMinusDstColorFactor: + blendFactor = GPUBlendFactor.OneMinusDstColor; + break; + + case DstAlphaFactor: + blendFactor = GPUBlendFactor.DstAlpha; + break; + + case OneMinusDstAlphaFactor: + blendFactor = GPUBlendFactor.OneMinusDstAlpha; + break; + + case SrcAlphaSaturateFactor: + blendFactor = GPUBlendFactor.SrcAlphaSaturated; + break; + + case BlendColorFactor: + blendFactor = GPUBlendFactor.Constant; + break; + + case OneMinusBlendColorFactor: + blendFactor = GPUBlendFactor.OneMinusConstant; + break; + + default: + console.error( 'THREE.WebGPURenderer: Blend factor not supported.', blend ); + + } + + return blendFactor; + + } + + _getStencilCompare( material ) { + + let stencilCompare; + + const stencilFunc = material.stencilFunc; + + switch ( stencilFunc ) { + + case NeverStencilFunc: + stencilCompare = GPUCompareFunction.Never; + break; + + case AlwaysStencilFunc: + stencilCompare = GPUCompareFunction.Always; + break; + + case LessStencilFunc: + stencilCompare = GPUCompareFunction.Less; + break; + + case LessEqualStencilFunc: + stencilCompare = GPUCompareFunction.LessEqual; + break; + + case EqualStencilFunc: + stencilCompare = GPUCompareFunction.Equal; + break; + + case GreaterEqualStencilFunc: + stencilCompare = GPUCompareFunction.GreaterEqual; + break; + + case GreaterStencilFunc: + stencilCompare = GPUCompareFunction.Greater; + break; + + case NotEqualStencilFunc: + stencilCompare = GPUCompareFunction.NotEqual; + break; + + default: + console.error( 'THREE.WebGPURenderer: Invalid stencil function.', stencilFunc ); + + } + + return stencilCompare; + + } + + _getStencilOperation( op ) { + + let stencilOperation; + + switch ( op ) { + + case KeepStencilOp: + stencilOperation = GPUStencilOperation.Keep; + break; + + case ZeroStencilOp: + stencilOperation = GPUStencilOperation.Zero; + break; + + case ReplaceStencilOp: + stencilOperation = GPUStencilOperation.Replace; + break; + + case InvertStencilOp: + stencilOperation = GPUStencilOperation.Invert; + break; + + case IncrementStencilOp: + stencilOperation = GPUStencilOperation.IncrementClamp; + break; + + case DecrementStencilOp: + stencilOperation = GPUStencilOperation.DecrementClamp; + break; + + case IncrementWrapStencilOp: + stencilOperation = GPUStencilOperation.IncrementWrap; + break; + + case DecrementWrapStencilOp: + stencilOperation = GPUStencilOperation.DecrementWrap; + break; + + default: + console.error( 'THREE.WebGPURenderer: Invalid stencil operation.', stencilOperation ); + + } + + return stencilOperation; + + } + + _getBlendOperation( blendEquation ) { + + let blendOperation; + + switch ( blendEquation ) { + + case AddEquation: + blendOperation = GPUBlendOperation.Add; + break; + + case SubtractEquation: + blendOperation = GPUBlendOperation.Subtract; + break; + + case ReverseSubtractEquation: + blendOperation = GPUBlendOperation.ReverseSubtract; + break; + + case MinEquation: + blendOperation = GPUBlendOperation.Min; + break; + + case MaxEquation: + blendOperation = GPUBlendOperation.Max; + break; + + default: + console.error( 'THREE.WebGPUPipelineUtils: Blend equation not supported.', blendEquation ); + + } + + return blendOperation; + + } + + _getPrimitiveState( object, geometry, material ) { + + const descriptor = {}; + const utils = this.backend.utils; + + descriptor.topology = utils.getPrimitiveTopology( object, material ); + + if ( geometry.index !== null && object.isLine === true && object.isLineSegments !== true ) { + + descriptor.stripIndexFormat = ( geometry.index.array instanceof Uint16Array ) ? GPUIndexFormat.Uint16 : GPUIndexFormat.Uint32; + + } + + switch ( material.side ) { + + case FrontSide: + descriptor.frontFace = GPUFrontFace.CCW; + descriptor.cullMode = GPUCullMode.Back; + break; + + case BackSide: + descriptor.frontFace = GPUFrontFace.CCW; + descriptor.cullMode = GPUCullMode.Front; + break; + + case DoubleSide: + descriptor.frontFace = GPUFrontFace.CCW; + descriptor.cullMode = GPUCullMode.None; + break; + + default: + console.error( 'THREE.WebGPUPipelineUtils: Unknown material.side value.', material.side ); + break; + + } + + return descriptor; + + } + + _getColorWriteMask( material ) { + + return ( material.colorWrite === true ) ? GPUColorWriteFlags.All : GPUColorWriteFlags.None; + + } + + _getDepthCompare( material ) { + + let depthCompare; + + if ( material.depthTest === false ) { + + depthCompare = GPUCompareFunction.Always; + + } else { + + const depthFunc = material.depthFunc; + + switch ( depthFunc ) { + + case NeverDepth: + depthCompare = GPUCompareFunction.Never; + break; + + case AlwaysDepth: + depthCompare = GPUCompareFunction.Always; + break; + + case LessDepth: + depthCompare = GPUCompareFunction.Less; + break; + + case LessEqualDepth: + depthCompare = GPUCompareFunction.LessEqual; + break; + + case EqualDepth: + depthCompare = GPUCompareFunction.Equal; + break; + + case GreaterEqualDepth: + depthCompare = GPUCompareFunction.GreaterEqual; + break; + + case GreaterDepth: + depthCompare = GPUCompareFunction.Greater; + break; + + case NotEqualDepth: + depthCompare = GPUCompareFunction.NotEqual; + break; + + default: + console.error( 'THREE.WebGPUPipelineUtils: Invalid depth function.', depthFunc ); + + } + + } + + return depthCompare; + + } + +} + +/*// debugger tools +import 'https://greggman.github.io/webgpu-avoid-redundant-state-setting/webgpu-check-redundant-state-setting.js'; +//*/ + + +// + +class WebGPUBackend extends Backend { + + constructor( parameters = {} ) { + + super( parameters ); + + this.isWebGPUBackend = true; + + // some parameters require default values other than "undefined" + this.parameters.alpha = ( parameters.alpha === undefined ) ? true : parameters.alpha; + + this.parameters.antialias = ( parameters.antialias === true ); + + if ( this.parameters.antialias === true ) { + + this.parameters.sampleCount = ( parameters.sampleCount === undefined ) ? 4 : parameters.sampleCount; + + } else { + + this.parameters.sampleCount = 1; + + } + + this.parameters.requiredLimits = ( parameters.requiredLimits === undefined ) ? {} : parameters.requiredLimits; + + this.trackTimestamp = ( parameters.trackTimestamp === true ); + + this.device = null; + this.context = null; + this.colorBuffer = null; + this.defaultRenderPassdescriptor = null; + + this.utils = new WebGPUUtils( this ); + this.attributeUtils = new WebGPUAttributeUtils( this ); + this.bindingUtils = new WebGPUBindingUtils( this ); + this.pipelineUtils = new WebGPUPipelineUtils( this ); + this.textureUtils = new WebGPUTextureUtils( this ); + this.occludedResolveCache = new Map(); + + } + + async init( renderer ) { + + await super.init( renderer ); + + // + + const parameters = this.parameters; + + // create the device if it is not passed with parameters + + let device; + + if ( parameters.device === undefined ) { + + const adapterOptions = { + powerPreference: parameters.powerPreference + }; + + const adapter = await navigator.gpu.requestAdapter( adapterOptions ); + + if ( adapter === null ) { + + throw new Error( 'WebGPUBackend: Unable to create WebGPU adapter.' ); + + } + + // feature support + + const features = Object.values( GPUFeatureName ); + + const supportedFeatures = []; + + for ( const name of features ) { + + if ( adapter.features.has( name ) ) { + + supportedFeatures.push( name ); + + } + + } + + const deviceDescriptor = { + requiredFeatures: supportedFeatures, + requiredLimits: parameters.requiredLimits + }; + + device = await adapter.requestDevice( deviceDescriptor ); + + } else { + + device = parameters.device; + + } + + const context = ( parameters.context !== undefined ) ? parameters.context : renderer.domElement.getContext( 'webgpu' ); + + this.device = device; + this.context = context; + + const alphaMode = parameters.alpha ? 'premultiplied' : 'opaque'; + + this.context.configure( { + device: this.device, + format: GPUTextureFormat.BGRA8Unorm, + usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC, + alphaMode: alphaMode + } ); + + this.updateSize(); + + } + + get coordinateSystem() { + + return WebGPUCoordinateSystem; + + } + + async getArrayBufferAsync( attribute ) { + + return await this.attributeUtils.getArrayBufferAsync( attribute ); + + } + + getContext() { + + return this.context; + + } + + _getDefaultRenderPassDescriptor() { + + let descriptor = this.defaultRenderPassdescriptor; + + const antialias = this.parameters.antialias; + + if ( descriptor === null ) { + + const renderer = this.renderer; + + descriptor = { + colorAttachments: [ { + view: null + } ], + depthStencilAttachment: { + view: this.textureUtils.getDepthBuffer( renderer.depth, renderer.stencil ).createView() + } + }; + + const colorAttachment = descriptor.colorAttachments[ 0 ]; + + if ( antialias === true ) { + + colorAttachment.view = this.colorBuffer.createView(); + + } else { + + colorAttachment.resolveTarget = undefined; + + } + + this.defaultRenderPassdescriptor = descriptor; + + } + + const colorAttachment = descriptor.colorAttachments[ 0 ]; + + if ( antialias === true ) { + + colorAttachment.resolveTarget = this.context.getCurrentTexture().createView(); + + } else { + + colorAttachment.view = this.context.getCurrentTexture().createView(); + + } + + return descriptor; + + } + + _getRenderPassDescriptor( renderContext ) { + + const renderTarget = renderContext.renderTarget; + const renderTargetData = this.get( renderTarget ); + + let descriptors = renderTargetData.descriptors; + + if ( descriptors === undefined ) { + + descriptors = []; + + renderTargetData.descriptors = descriptors; + + } + + if ( renderTargetData.width !== renderTarget.width || + renderTargetData.height !== renderTarget.height || + renderTargetData.activeMipmapLevel !== renderTarget.activeMipmapLevel || + renderTargetData.samples !== renderTarget.samples + ) { + + descriptors.length = 0; + + } + + let descriptor = descriptors[ renderContext.activeCubeFace ]; + + if ( descriptor === undefined ) { + + const textures = renderContext.textures; + const colorAttachments = []; + + for ( let i = 0; i < textures.length; i ++ ) { + + const textureData = this.get( textures[ i ] ); + + const textureView = textureData.texture.createView( { + baseMipLevel: renderContext.activeMipmapLevel, + mipLevelCount: 1, + baseArrayLayer: renderContext.activeCubeFace, + dimension: GPUTextureViewDimension.TwoD + } ); + + let view, resolveTarget; + + if ( textureData.msaaTexture !== undefined ) { + + view = textureData.msaaTexture.createView(); + resolveTarget = textureView; + + } else { + + view = textureView; + resolveTarget = undefined; + + } + + colorAttachments.push( { + view, + resolveTarget, + loadOp: GPULoadOp.Load, + storeOp: GPUStoreOp.Store + } ); + + } + + const depthTextureData = this.get( renderContext.depthTexture ); + + const depthStencilAttachment = { + view: depthTextureData.texture.createView(), + }; + + descriptor = { + colorAttachments, + depthStencilAttachment + }; + + descriptors[ renderContext.activeCubeFace ] = descriptor; + + renderTargetData.width = renderTarget.width; + renderTargetData.height = renderTarget.height; + renderTargetData.samples = renderTarget.samples; + renderTargetData.activeMipmapLevel = renderTarget.activeMipmapLevel; + + } + + return descriptor; + + } + + beginRender( renderContext ) { + + const renderContextData = this.get( renderContext ); + + const device = this.device; + const occlusionQueryCount = renderContext.occlusionQueryCount; + + let occlusionQuerySet; + + if ( occlusionQueryCount > 0 ) { + + if ( renderContextData.currentOcclusionQuerySet ) renderContextData.currentOcclusionQuerySet.destroy(); + if ( renderContextData.currentOcclusionQueryBuffer ) renderContextData.currentOcclusionQueryBuffer.destroy(); + + // Get a reference to the array of objects with queries. The renderContextData property + // can be changed by another render pass before the buffer.mapAsyc() completes. + renderContextData.currentOcclusionQuerySet = renderContextData.occlusionQuerySet; + renderContextData.currentOcclusionQueryBuffer = renderContextData.occlusionQueryBuffer; + renderContextData.currentOcclusionQueryObjects = renderContextData.occlusionQueryObjects; + + // + + occlusionQuerySet = device.createQuerySet( { type: 'occlusion', count: occlusionQueryCount } ); + + renderContextData.occlusionQuerySet = occlusionQuerySet; + renderContextData.occlusionQueryIndex = 0; + renderContextData.occlusionQueryObjects = new Array( occlusionQueryCount ); + + renderContextData.lastOcclusionObject = null; + + } + + let descriptor; + + if ( renderContext.textures === null ) { + + descriptor = this._getDefaultRenderPassDescriptor(); + + } else { + + descriptor = this._getRenderPassDescriptor( renderContext ); + + } + + this.initTimestampQuery( renderContext, descriptor ); + + descriptor.occlusionQuerySet = occlusionQuerySet; + + const depthStencilAttachment = descriptor.depthStencilAttachment; + + if ( renderContext.textures !== null ) { + + const colorAttachments = descriptor.colorAttachments; + + for ( let i = 0; i < colorAttachments.length; i ++ ) { + + const colorAttachment = colorAttachments[ i ]; + + if ( renderContext.clearColor ) { + + colorAttachment.clearValue = renderContext.clearColorValue; + colorAttachment.loadOp = GPULoadOp.Clear; + colorAttachment.storeOp = GPUStoreOp.Store; + + } else { + + colorAttachment.loadOp = GPULoadOp.Load; + colorAttachment.storeOp = GPUStoreOp.Store; + + } + + } + + } else { + + const colorAttachment = descriptor.colorAttachments[ 0 ]; + + if ( renderContext.clearColor ) { + + colorAttachment.clearValue = renderContext.clearColorValue; + colorAttachment.loadOp = GPULoadOp.Clear; + colorAttachment.storeOp = GPUStoreOp.Store; + + } else { + + colorAttachment.loadOp = GPULoadOp.Load; + colorAttachment.storeOp = GPUStoreOp.Store; + + } + + } + + // + + if ( renderContext.depth ) { + + if ( renderContext.clearDepth ) { + + depthStencilAttachment.depthClearValue = renderContext.clearDepthValue; + depthStencilAttachment.depthLoadOp = GPULoadOp.Clear; + depthStencilAttachment.depthStoreOp = GPUStoreOp.Store; + + } else { + + depthStencilAttachment.depthLoadOp = GPULoadOp.Load; + depthStencilAttachment.depthStoreOp = GPUStoreOp.Store; + + } + + } + + if ( renderContext.stencil ) { + + if ( renderContext.clearStencil ) { + + depthStencilAttachment.stencilClearValue = renderContext.clearStencilValue; + depthStencilAttachment.stencilLoadOp = GPULoadOp.Clear; + depthStencilAttachment.stencilStoreOp = GPUStoreOp.Store; + + } else { + + depthStencilAttachment.stencilLoadOp = GPULoadOp.Load; + depthStencilAttachment.stencilStoreOp = GPUStoreOp.Store; + + } + + } + + // + + const encoder = device.createCommandEncoder( { label: 'renderContext_' + renderContext.id } ); + const currentPass = encoder.beginRenderPass( descriptor ); + + // + + renderContextData.descriptor = descriptor; + renderContextData.encoder = encoder; + renderContextData.currentPass = currentPass; + renderContextData.currentSets = { attributes: {} }; + + // + + if ( renderContext.viewport ) { + + this.updateViewport( renderContext ); + + } + + if ( renderContext.scissor ) { + + const { x, y, width, height } = renderContext.scissorValue; + + currentPass.setScissorRect( x, renderContext.height - height - y, width, height ); + + } + + } + + finishRender( renderContext ) { + + const renderContextData = this.get( renderContext ); + const occlusionQueryCount = renderContext.occlusionQueryCount; + + if ( renderContextData.renderBundles !== undefined && renderContextData.renderBundles.length > 0 ) { + + renderContextData.registerBundlesPhase = false; + renderContextData.currentPass.executeBundles( renderContextData.renderBundles ); + + } + + if ( occlusionQueryCount > renderContextData.occlusionQueryIndex ) { + + renderContextData.currentPass.endOcclusionQuery(); + + } + + renderContextData.currentPass.end(); + + if ( occlusionQueryCount > 0 ) { + + const bufferSize = occlusionQueryCount * 8; // 8 byte entries for query results + + // + + let queryResolveBuffer = this.occludedResolveCache.get( bufferSize ); + + if ( queryResolveBuffer === undefined ) { + + queryResolveBuffer = this.device.createBuffer( + { + size: bufferSize, + usage: GPUBufferUsage.QUERY_RESOLVE | GPUBufferUsage.COPY_SRC + } + ); + + this.occludedResolveCache.set( bufferSize, queryResolveBuffer ); + + } + + // + + const readBuffer = this.device.createBuffer( + { + size: bufferSize, + usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ + } + ); + + // two buffers required here - WebGPU doesn't allow usage of QUERY_RESOLVE & MAP_READ to be combined + renderContextData.encoder.resolveQuerySet( renderContextData.occlusionQuerySet, 0, occlusionQueryCount, queryResolveBuffer, 0 ); + renderContextData.encoder.copyBufferToBuffer( queryResolveBuffer, 0, readBuffer, 0, bufferSize ); + + renderContextData.occlusionQueryBuffer = readBuffer; + + // + + this.resolveOccludedAsync( renderContext ); + + } + + this.prepareTimestampBuffer( renderContext, renderContextData.encoder ); + + this.device.queue.submit( [ renderContextData.encoder.finish() ] ); + + + // + + if ( renderContext.textures !== null ) { + + const textures = renderContext.textures; + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + + if ( texture.generateMipmaps === true ) { + + this.textureUtils.generateMipmaps( texture ); + + } + + } + + } + + } + + isOccluded( renderContext, object ) { + + const renderContextData = this.get( renderContext ); + + return renderContextData.occluded && renderContextData.occluded.has( object ); + + } + + async resolveOccludedAsync( renderContext ) { + + const renderContextData = this.get( renderContext ); + + // handle occlusion query results + + const { currentOcclusionQueryBuffer, currentOcclusionQueryObjects } = renderContextData; + + if ( currentOcclusionQueryBuffer && currentOcclusionQueryObjects ) { + + const occluded = new WeakSet(); + + renderContextData.currentOcclusionQueryObjects = null; + renderContextData.currentOcclusionQueryBuffer = null; + + await currentOcclusionQueryBuffer.mapAsync( GPUMapMode.READ ); + + const buffer = currentOcclusionQueryBuffer.getMappedRange(); + const results = new BigUint64Array( buffer ); + + for ( let i = 0; i < currentOcclusionQueryObjects.length; i ++ ) { + + if ( results[ i ] !== BigInt( 0 ) ) { + + occluded.add( currentOcclusionQueryObjects[ i ] ); + + } + + } + + currentOcclusionQueryBuffer.destroy(); + + renderContextData.occluded = occluded; + + } + + } + + updateViewport( renderContext ) { + + const { currentPass } = this.get( renderContext ); + const { x, y, width, height, minDepth, maxDepth } = renderContext.viewportValue; + + currentPass.setViewport( x, renderContext.height - height - y, width, height, minDepth, maxDepth ); + + } + + clear( color, depth, stencil, renderTargetData = null ) { + + const device = this.device; + const renderer = this.renderer; + + let colorAttachments = []; + + let depthStencilAttachment; + let clearValue; + + let supportsDepth; + let supportsStencil; + + if ( color ) { + + const clearColor = this.getClearColor(); + + clearValue = { r: clearColor.r, g: clearColor.g, b: clearColor.b, a: clearColor.a }; + + } + + if ( renderTargetData === null ) { + + supportsDepth = renderer.depth; + supportsStencil = renderer.stencil; + + const descriptor = this._getDefaultRenderPassDescriptor(); + + if ( color ) { + + colorAttachments = descriptor.colorAttachments; + + const colorAttachment = colorAttachments[ 0 ]; + + colorAttachment.clearValue = clearValue; + colorAttachment.loadOp = GPULoadOp.Clear; + colorAttachment.storeOp = GPUStoreOp.Store; + + } + + if ( supportsDepth || supportsStencil ) { + + depthStencilAttachment = descriptor.depthStencilAttachment; + + } + + } else { + + supportsDepth = renderTargetData.depth; + supportsStencil = renderTargetData.stencil; + + if ( color ) { + + for ( const texture of renderTargetData.textures ) { + + const textureData = this.get( texture ); + const textureView = textureData.texture.createView(); + + let view, resolveTarget; + + if ( textureData.msaaTexture !== undefined ) { + + view = textureData.msaaTexture.createView(); + resolveTarget = textureView; + + } else { + + view = textureView; + resolveTarget = undefined; + + } + + colorAttachments.push( { + view, + resolveTarget, + clearValue, + loadOp: GPULoadOp.Clear, + storeOp: GPUStoreOp.Store + } ); + + } + + } + + if ( supportsDepth || supportsStencil ) { + + const depthTextureData = this.get( renderTargetData.depthTexture ); + + depthStencilAttachment = { + view: depthTextureData.texture.createView() + }; + + } + + } + + // + + if ( supportsDepth ) { + + if ( depth ) { + + depthStencilAttachment.depthLoadOp = GPULoadOp.Clear; + depthStencilAttachment.depthClearValue = renderer.getClearDepth(); + depthStencilAttachment.depthStoreOp = GPUStoreOp.Store; + + } else { + + depthStencilAttachment.depthLoadOp = GPULoadOp.Load; + depthStencilAttachment.depthStoreOp = GPUStoreOp.Store; + + } + + } + + // + + if ( supportsStencil ) { + + if ( stencil ) { + + depthStencilAttachment.stencilLoadOp = GPULoadOp.Clear; + depthStencilAttachment.stencilClearValue = renderer.getClearStencil(); + depthStencilAttachment.stencilStoreOp = GPUStoreOp.Store; + + } else { + + depthStencilAttachment.stencilLoadOp = GPULoadOp.Load; + depthStencilAttachment.stencilStoreOp = GPUStoreOp.Store; + + } + + } + + // + + const encoder = device.createCommandEncoder( {} ); + const currentPass = encoder.beginRenderPass( { + colorAttachments, + depthStencilAttachment + } ); + + currentPass.end(); + + device.queue.submit( [ encoder.finish() ] ); + + } + + // compute + + beginCompute( computeGroup ) { + + const groupGPU = this.get( computeGroup ); + + + const descriptor = {}; + + this.initTimestampQuery( computeGroup, descriptor ); + + groupGPU.cmdEncoderGPU = this.device.createCommandEncoder(); + + groupGPU.passEncoderGPU = groupGPU.cmdEncoderGPU.beginComputePass( descriptor ); + + } + + compute( computeGroup, computeNode, bindings, pipeline ) { + + const { passEncoderGPU } = this.get( computeGroup ); + + // pipeline + + const pipelineGPU = this.get( pipeline ).pipeline; + passEncoderGPU.setPipeline( pipelineGPU ); + + // bind groups + + for ( let i = 0, l = bindings.length; i < l; i ++ ) { + + const bindGroup = bindings[ i ]; + const bindingsData = this.get( bindGroup ); + + passEncoderGPU.setBindGroup( i, bindingsData.group ); + + } + + passEncoderGPU.dispatchWorkgroups( computeNode.dispatchCount ); + + } + + finishCompute( computeGroup ) { + + const groupData = this.get( computeGroup ); + + groupData.passEncoderGPU.end(); + + this.prepareTimestampBuffer( computeGroup, groupData.cmdEncoderGPU ); + + this.device.queue.submit( [ groupData.cmdEncoderGPU.finish() ] ); + + } + + // render object + + draw( renderObject, info ) { + + const { object, geometry, context, pipeline } = renderObject; + + const bindings = renderObject.getBindings(); + const contextData = this.get( context ); + const pipelineGPU = this.get( pipeline ).pipeline; + const currentSets = contextData.currentSets; + + const renderObjectData = this.get( renderObject ); + + const { bundleEncoder, renderBundle, lastPipelineGPU } = renderObjectData; + + const renderContextData = this.get( context ); + + if ( renderContextData.registerBundlesPhase === true && bundleEncoder !== undefined && lastPipelineGPU === pipelineGPU ) { + + renderContextData.renderBundles.push( renderBundle ); + return; + + } + + const passEncoderGPU = this.renderer._currentRenderBundle ? this.createBundleEncoder( context, renderObject ) : contextData.currentPass; + + // pipeline + + if ( currentSets.pipeline !== pipelineGPU ) { + + passEncoderGPU.setPipeline( pipelineGPU ); + + currentSets.pipeline = pipelineGPU; + + } + + // bind groups + + for ( let i = 0, l = bindings.length; i < l; i ++ ) { + + const bindGroup = bindings[ i ]; + const bindingsData = this.get( bindGroup ); + + passEncoderGPU.setBindGroup( i, bindingsData.group ); + + } + + // attributes + + const index = renderObject.getIndex(); + + const hasIndex = ( index !== null ); + + // index + + if ( hasIndex === true ) { + + if ( currentSets.index !== index ) { + + const buffer = this.get( index ).buffer; + const indexFormat = ( index.array instanceof Uint16Array ) ? GPUIndexFormat.Uint16 : GPUIndexFormat.Uint32; + + passEncoderGPU.setIndexBuffer( buffer, indexFormat ); + + currentSets.index = index; + + } + + } + + // vertex buffers + + const vertexBuffers = renderObject.getVertexBuffers(); + + for ( let i = 0, l = vertexBuffers.length; i < l; i ++ ) { + + const vertexBuffer = vertexBuffers[ i ]; + + if ( currentSets.attributes[ i ] !== vertexBuffer ) { + + const buffer = this.get( vertexBuffer ).buffer; + passEncoderGPU.setVertexBuffer( i, buffer ); + + currentSets.attributes[ i ] = vertexBuffer; + + } + + } + + // occlusion queries - handle multiple consecutive draw calls for an object + + if ( contextData.occlusionQuerySet !== undefined ) { + + const lastObject = contextData.lastOcclusionObject; + + if ( lastObject !== object ) { + + if ( lastObject !== null && lastObject.occlusionTest === true ) { + + passEncoderGPU.endOcclusionQuery(); + contextData.occlusionQueryIndex ++; + + } + + if ( object.occlusionTest === true ) { + + passEncoderGPU.beginOcclusionQuery( contextData.occlusionQueryIndex ); + contextData.occlusionQueryObjects[ contextData.occlusionQueryIndex ] = object; + + } + + contextData.lastOcclusionObject = object; + + } + + } + + // draw + + const drawRange = renderObject.drawRange; + const firstVertex = drawRange.start; + + const instanceCount = this.getInstanceCount( renderObject ); + if ( instanceCount === 0 ) return; + + if ( object.isBatchedMesh === true ) { + + const starts = object._multiDrawStarts; + const counts = object._multiDrawCounts; + const drawCount = object._multiDrawCount; + const drawInstances = object._multiDrawInstances; + + const bytesPerElement = index.bytesPerElement || 1; + + for ( let i = 0; i < drawCount; i ++ ) { + + const count = drawInstances ? drawInstances[ i ] : 1; + const firstInstance = count > 1 ? 0 : i; + + passEncoderGPU.drawIndexed( counts[ i ] / bytesPerElement, count, starts[ i ] / 4, 0, firstInstance ); + + } + + } else if ( hasIndex === true ) { + + const indexCount = ( drawRange.count !== Infinity ) ? drawRange.count : index.count; + + passEncoderGPU.drawIndexed( indexCount, instanceCount, firstVertex, 0, 0 ); + + info.update( object, indexCount, instanceCount ); + + } else { + + const positionAttribute = geometry.attributes.position; + const vertexCount = ( drawRange.count !== Infinity ) ? drawRange.count : positionAttribute.count; + + passEncoderGPU.draw( vertexCount, instanceCount, firstVertex, 0 ); + + info.update( object, vertexCount, instanceCount ); + + } + + if ( this.renderer._currentRenderBundle ) { + + const renderBundle = passEncoderGPU.finish(); + renderObjectData.lastPipelineGPU = pipelineGPU; + renderObjectData.renderBundle = renderBundle; + renderObjectData.bundleEncoder = passEncoderGPU; + + } + + } + + // cache key + + needsRenderUpdate( renderObject ) { + + const data = this.get( renderObject ); + + const { object, material } = renderObject; + + const utils = this.utils; + + const sampleCount = utils.getSampleCount( renderObject.context ); + const colorSpace = utils.getCurrentColorSpace( renderObject.context ); + const colorFormat = utils.getCurrentColorFormat( renderObject.context ); + const depthStencilFormat = utils.getCurrentDepthStencilFormat( renderObject.context ); + const primitiveTopology = utils.getPrimitiveTopology( object, material ); + + let needsUpdate = false; + + if ( data.material !== material || data.materialVersion !== material.version || + data.transparent !== material.transparent || data.blending !== material.blending || data.premultipliedAlpha !== material.premultipliedAlpha || + data.blendSrc !== material.blendSrc || data.blendDst !== material.blendDst || data.blendEquation !== material.blendEquation || + data.blendSrcAlpha !== material.blendSrcAlpha || data.blendDstAlpha !== material.blendDstAlpha || data.blendEquationAlpha !== material.blendEquationAlpha || + data.colorWrite !== material.colorWrite || data.depthWrite !== material.depthWrite || data.depthTest !== material.depthTest || data.depthFunc !== material.depthFunc || + data.stencilWrite !== material.stencilWrite || data.stencilFunc !== material.stencilFunc || + data.stencilFail !== material.stencilFail || data.stencilZFail !== material.stencilZFail || data.stencilZPass !== material.stencilZPass || + data.stencilFuncMask !== material.stencilFuncMask || data.stencilWriteMask !== material.stencilWriteMask || + data.side !== material.side || data.alphaToCoverage !== material.alphaToCoverage || + data.sampleCount !== sampleCount || data.colorSpace !== colorSpace || + data.colorFormat !== colorFormat || data.depthStencilFormat !== depthStencilFormat || + data.primitiveTopology !== primitiveTopology || + data.clippingContextVersion !== renderObject.clippingContextVersion + ) { + + data.material = material; data.materialVersion = material.version; + data.transparent = material.transparent; data.blending = material.blending; data.premultipliedAlpha = material.premultipliedAlpha; + data.blendSrc = material.blendSrc; data.blendDst = material.blendDst; data.blendEquation = material.blendEquation; + data.blendSrcAlpha = material.blendSrcAlpha; data.blendDstAlpha = material.blendDstAlpha; data.blendEquationAlpha = material.blendEquationAlpha; + data.colorWrite = material.colorWrite; + data.depthWrite = material.depthWrite; data.depthTest = material.depthTest; data.depthFunc = material.depthFunc; + data.stencilWrite = material.stencilWrite; data.stencilFunc = material.stencilFunc; + data.stencilFail = material.stencilFail; data.stencilZFail = material.stencilZFail; data.stencilZPass = material.stencilZPass; + data.stencilFuncMask = material.stencilFuncMask; data.stencilWriteMask = material.stencilWriteMask; + data.side = material.side; data.alphaToCoverage = material.alphaToCoverage; + data.sampleCount = sampleCount; + data.colorSpace = colorSpace; + data.colorFormat = colorFormat; + data.depthStencilFormat = depthStencilFormat; + data.primitiveTopology = primitiveTopology; + data.clippingContextVersion = renderObject.clippingContextVersion; + + needsUpdate = true; + + } + + return needsUpdate; + + } + + getRenderCacheKey( renderObject ) { + + const { object, material } = renderObject; + + const utils = this.utils; + const renderContext = renderObject.context; + + return [ + material.transparent, material.blending, material.premultipliedAlpha, + material.blendSrc, material.blendDst, material.blendEquation, + material.blendSrcAlpha, material.blendDstAlpha, material.blendEquationAlpha, + material.colorWrite, + material.depthWrite, material.depthTest, material.depthFunc, + material.stencilWrite, material.stencilFunc, + material.stencilFail, material.stencilZFail, material.stencilZPass, + material.stencilFuncMask, material.stencilWriteMask, + material.side, + utils.getSampleCount( renderContext ), + utils.getCurrentColorSpace( renderContext ), utils.getCurrentColorFormat( renderContext ), utils.getCurrentDepthStencilFormat( renderContext ), + utils.getPrimitiveTopology( object, material ), + renderObject.clippingContextVersion + ].join(); + + } + + // textures + + createSampler( texture ) { + + this.textureUtils.createSampler( texture ); + + } + + destroySampler( texture ) { + + this.textureUtils.destroySampler( texture ); + + } + + createDefaultTexture( texture ) { + + this.textureUtils.createDefaultTexture( texture ); + + } + + createTexture( texture, options ) { + + this.textureUtils.createTexture( texture, options ); + + } + + updateTexture( texture, options ) { + + this.textureUtils.updateTexture( texture, options ); + + } + + generateMipmaps( texture ) { + + this.textureUtils.generateMipmaps( texture ); + + } + + destroyTexture( texture ) { + + this.textureUtils.destroyTexture( texture ); + + } + + copyTextureToBuffer( texture, x, y, width, height ) { + + return this.textureUtils.copyTextureToBuffer( texture, x, y, width, height ); + + } + + + initTimestampQuery( renderContext, descriptor ) { + + if ( ! this.hasFeature( GPUFeatureName.TimestampQuery ) || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + if ( ! renderContextData.timeStampQuerySet ) { + + // Create a GPUQuerySet which holds 2 timestamp query results: one for the + // beginning and one for the end of compute pass execution. + const timeStampQuerySet = this.device.createQuerySet( { type: 'timestamp', count: 2 } ); + + const timestampWrites = { + querySet: timeStampQuerySet, + beginningOfPassWriteIndex: 0, // Write timestamp in index 0 when pass begins. + endOfPassWriteIndex: 1, // Write timestamp in index 1 when pass ends. + }; + + Object.assign( descriptor, { + timestampWrites, + } ); + + renderContextData.timeStampQuerySet = timeStampQuerySet; + + } + + } + + // timestamp utils + + prepareTimestampBuffer( renderContext, encoder ) { + + if ( ! this.hasFeature( GPUFeatureName.TimestampQuery ) || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + const size = 2 * BigInt64Array.BYTES_PER_ELEMENT; + + if ( renderContextData.currentTimestampQueryBuffers === undefined ) { + + renderContextData.currentTimestampQueryBuffers = { + resolveBuffer: this.device.createBuffer( { + label: 'timestamp resolve buffer', + size: size, + usage: GPUBufferUsage.QUERY_RESOLVE | GPUBufferUsage.COPY_SRC, + } ), + resultBuffer: this.device.createBuffer( { + label: 'timestamp result buffer', + size: size, + usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ, + } ), + isMappingPending: false, + }; + + } + + const { resolveBuffer, resultBuffer, isMappingPending } = renderContextData.currentTimestampQueryBuffers; + + if ( isMappingPending === true ) return; + + encoder.resolveQuerySet( renderContextData.timeStampQuerySet, 0, 2, resolveBuffer, 0 ); + encoder.copyBufferToBuffer( resolveBuffer, 0, resultBuffer, 0, size ); + + } + + async resolveTimestampAsync( renderContext, type = 'render' ) { + + if ( ! this.hasFeature( GPUFeatureName.TimestampQuery ) || ! this.trackTimestamp ) return; + + const renderContextData = this.get( renderContext ); + + if ( renderContextData.currentTimestampQueryBuffers === undefined ) return; + + const { resultBuffer, isMappingPending } = renderContextData.currentTimestampQueryBuffers; + + if ( isMappingPending === true ) return; + + renderContextData.currentTimestampQueryBuffers.isMappingPending = true; + + resultBuffer.mapAsync( GPUMapMode.READ ).then( () => { + + const times = new BigUint64Array( resultBuffer.getMappedRange() ); + const duration = Number( times[ 1 ] - times[ 0 ] ) / 1000000; + + + this.renderer.info.updateTimestamp( type, duration ); + + resultBuffer.unmap(); + + renderContextData.currentTimestampQueryBuffers.isMappingPending = false; + + } ); + + } + + // node builder + + createNodeBuilder( object, renderer ) { + + return new WGSLNodeBuilder( object, renderer ); + + } + + // program + + createProgram( program ) { + + const programGPU = this.get( program ); + + programGPU.module = { + module: this.device.createShaderModule( { code: program.code, label: program.stage } ), + entryPoint: 'main' + }; + + } + + destroyProgram( program ) { + + this.delete( program ); + + } + + // pipelines + + createRenderPipeline( renderObject, promises ) { + + this.pipelineUtils.createRenderPipeline( renderObject, promises ); + + } + + createComputePipeline( computePipeline, bindings ) { + + this.pipelineUtils.createComputePipeline( computePipeline, bindings ); + + } + + createBundleEncoder( renderContext, renderObject ) { + + return this.pipelineUtils.createBundleEncoder( renderContext, renderObject ); + + } + + // bindings + + createBindings( bindGroup ) { + + this.bindingUtils.createBindings( bindGroup ); + + } + + updateBindings( bindGroup ) { + + this.bindingUtils.createBindings( bindGroup ); + + } + + updateBinding( binding ) { + + this.bindingUtils.updateBinding( binding ); + + } + + // attributes + + createIndexAttribute( attribute ) { + + this.attributeUtils.createAttribute( attribute, GPUBufferUsage.INDEX | GPUBufferUsage.COPY_SRC | GPUBufferUsage.COPY_DST ); + + } + + createAttribute( attribute ) { + + this.attributeUtils.createAttribute( attribute, GPUBufferUsage.VERTEX | GPUBufferUsage.COPY_SRC | GPUBufferUsage.COPY_DST ); + + } + + createStorageAttribute( attribute ) { + + this.attributeUtils.createAttribute( attribute, GPUBufferUsage.STORAGE | GPUBufferUsage.VERTEX | GPUBufferUsage.COPY_SRC | GPUBufferUsage.COPY_DST ); + + } + + updateAttribute( attribute ) { + + this.attributeUtils.updateAttribute( attribute ); + + } + + destroyAttribute( attribute ) { + + this.attributeUtils.destroyAttribute( attribute ); + + } + + // canvas + + updateSize() { + + this.colorBuffer = this.textureUtils.getColorBuffer(); + this.defaultRenderPassdescriptor = null; + + } + + // utils public + + getMaxAnisotropy() { + + return 16; + + } + + hasFeature( name ) { + + return this.device.features.has( name ); + + } + + copyTextureToTexture( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) { + + let dstX = 0; + let dstY = 0; + + let srcX = 0; + let srcY = 0; + + let srcWidth = srcTexture.image.width; + let srcHeight = srcTexture.image.height; + + if ( srcRegion !== null ) { + + srcX = srcRegion.x; + srcY = srcRegion.y; + srcWidth = srcRegion.width; + srcHeight = srcRegion.height; + + } + + if ( dstPosition !== null ) { + + dstX = dstPosition.x; + dstY = dstPosition.y; + + } + + const encoder = this.device.createCommandEncoder( { label: 'copyTextureToTexture_' + srcTexture.id + '_' + dstTexture.id } ); + + const sourceGPU = this.get( srcTexture ).texture; + const destinationGPU = this.get( dstTexture ).texture; + + encoder.copyTextureToTexture( + { + texture: sourceGPU, + mipLevel: level, + origin: { x: srcX, y: srcY, z: 0 } + }, + { + texture: destinationGPU, + mipLevel: level, + origin: { x: dstX, y: dstY, z: 0 } + }, + [ + srcWidth, + srcHeight + ] + ); + + this.device.queue.submit( [ encoder.finish() ] ); + + } + + copyFramebufferToTexture( texture, renderContext ) { + + const renderContextData = this.get( renderContext ); + + const { encoder, descriptor } = renderContextData; + + let sourceGPU = null; + + if ( renderContext.renderTarget ) { + + if ( texture.isDepthTexture ) { + + sourceGPU = this.get( renderContext.depthTexture ).texture; + + } else { + + sourceGPU = this.get( renderContext.textures[ 0 ] ).texture; + + } + + } else { + + if ( texture.isDepthTexture ) { + + sourceGPU = this.textureUtils.getDepthBuffer( renderContext.depth, renderContext.stencil ); + + } else { + + sourceGPU = this.context.getCurrentTexture(); + + } + + } + + const destinationGPU = this.get( texture ).texture; + + if ( sourceGPU.format !== destinationGPU.format ) { + + console.error( 'WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.', sourceGPU.format, destinationGPU.format ); + + return; + + } + + renderContextData.currentPass.end(); + + encoder.copyTextureToTexture( + { + texture: sourceGPU, + origin: { x: 0, y: 0, z: 0 } + }, + { + texture: destinationGPU + }, + [ + texture.image.width, + texture.image.height + ] + ); + + if ( texture.generateMipmaps ) this.textureUtils.generateMipmaps( texture ); + + descriptor.colorAttachments[ 0 ].loadOp = GPULoadOp.Load; + if ( renderContext.depth ) descriptor.depthStencilAttachment.depthLoadOp = GPULoadOp.Load; + if ( renderContext.stencil ) descriptor.depthStencilAttachment.stencilLoadOp = GPULoadOp.Load; + + renderContextData.currentPass = encoder.beginRenderPass( descriptor ); + renderContextData.currentSets = { attributes: {} }; + + } + +} + +/* +const debugHandler = { + + get: function ( target, name ) { + + // Add |update + if ( /^(create|destroy)/.test( name ) ) console.log( 'WebGPUBackend.' + name ); + + return target[ name ]; + + } + +}; +*/ +class WebGPURenderer extends Renderer { + + constructor( parameters = {} ) { + + let BackendClass; + + if ( parameters.forceWebGL ) { + + BackendClass = WebGLBackend; + + } else if ( WebGPU.isAvailable() ) { + + BackendClass = WebGPUBackend; + + } else { + + BackendClass = WebGLBackend; + + console.warn( 'THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend.' ); + + } + + const backend = new BackendClass( parameters ); + + //super( new Proxy( backend, debugHandler ) ); + super( backend, parameters ); + + this.isWebGPURenderer = true; + + } + +} + +const quadMesh = new QuadMesh( new NodeMaterial() ); + +class PostProcessing { + + constructor( renderer, outputNode = vec4( 0, 0, 1, 1 ) ) { + + this.renderer = renderer; + this.outputNode = outputNode; + + } + + render() { + + quadMesh.material.fragmentNode = this.outputNode; + + quadMesh.render( this.renderer ); + + } + + renderAsync() { + + quadMesh.material.fragmentNode = this.outputNode; + + return quadMesh.renderAsync( this.renderer ); + + } + + set needsUpdate( value ) { + + quadMesh.material.needsUpdate = value; + + } + +} + +class StorageTexture extends Texture { + + constructor( width = 1, height = 1 ) { + + super(); + + this.image = { width, height }; + + this.magFilter = LinearFilter; + this.minFilter = LinearFilter; + + this.isStorageTexture = true; + + } + +} + +class StorageBufferAttribute extends BufferAttribute { + + constructor( array, itemSize, typeClass = Float32Array ) { + + if ( ArrayBuffer.isView( array ) === false ) array = new typeClass( array * itemSize ); + + super( array, itemSize ); + + this.isStorageBufferAttribute = true; + + } + +} + +class StorageInstancedBufferAttribute extends InstancedBufferAttribute { + + constructor( array, itemSize, typeClass = Float32Array ) { + + if ( ArrayBuffer.isView( array ) === false ) array = new typeClass( array * itemSize ); + + super( array, itemSize ); + + this.isStorageInstancedBufferAttribute = true; + + } + +} + +if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: { + revision: REVISION, + } } ) ); + +} + +if ( typeof window !== 'undefined' ) { + + if ( window.__THREE__ ) { + + console.warn( 'WARNING: Multiple instances of Three.js being imported.' ); + + } else { + + window.__THREE__ = REVISION; + + } + +} + +export { ACESFilmicToneMapping, AONode, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AfterImageNode, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightNode, AnalyticLightNode, AnamorphicNode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrayElementNode, ArrowHelper, AssignNode, AttachedBindMode, AttributeNode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BRDF_GGX, BRDF_Lambert, BackSide, BasicDepthPacking, BasicShadowMap, BatchNode, BatchedMesh, BlendModeNode, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, Break, BufferAttribute, BufferAttributeNode, BufferGeometry, BufferGeometryLoader, BufferNode, BumpMapNode, BypassNode, ByteType, Cache, CacheNode, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CheckerNode, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, CodeNode, Color, ColorAdjustmentNode, ColorKeyframeTrack, ColorManagement, ColorSpaceNode, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ComputeNode, CondNode, ConeGeometry, ConstNode, ConstantAlphaFactor, ConstantColorFactor, ContextNode, Continue, ConvertNode, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeTextureNode, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, DFGApprox, D_GGX, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthOfFieldNode, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DirectionalLightNode, DiscardNode, DiscreteInterpolant, DisplayP3ColorSpace, DodecahedronGeometry, DotScreenNode, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EPSILON, EdgesGeometry, EllipseCurve, EnvironmentNode, EqualCompare, EqualDepth, EqualStencilFunc, EquirectUVNode, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExpressionNode, ExtrudeGeometry, F_Schlick, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FogExp2Node, FogNode, FogRangeNode, FramebufferTexture, FrontFacingNode, FrontSide, Frustum, FunctionCallNode, FunctionNode, FunctionOverloadingNode, GLBufferAttribute, GLSL1, GLSL3, GLSLNodeParser, GaussianBlurNode, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HashNode, HemisphereLight, HemisphereLightHelper, HemisphereLightNode, IESSpotLight, IESSpotLightNode, INFINITY, IcosahedronGeometry, If, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, IndexNode, InstanceNode, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, InstancedPointsNodeMaterial, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, IrradianceNode, JoinNode, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightNode, LightProbe, LightingContextNode, LightingModel, LightingNode, LightsNode, Line, Line2NodeMaterial, Line3, LineBasicMaterial, LineBasicNodeMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineDashedNodeMaterial, LineLoop, LineSegments, LinearDisplayP3ColorSpace, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopNode, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, MatcapUVNode, Material, MaterialLoader, MaterialNode, MaterialReferenceNode, MathNode, MathUtils, Matrix3, Matrix4, MaxEquation, MaxMipLevelNode, Mesh, MeshBasicMaterial, MeshBasicNodeMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshLambertNodeMaterial, MeshMatcapMaterial, MeshMatcapNodeMaterial, MeshNormalMaterial, MeshNormalNodeMaterial, MeshPhongMaterial, MeshPhongNodeMaterial, MeshPhysicalMaterial, MeshPhysicalNodeMaterial, MeshSSSNodeMaterial, MeshStandardMaterial, MeshStandardNodeMaterial, MeshToonMaterial, MeshToonNodeMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, ModelNode, ModelViewProjectionNode, MorphNode, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, Node, NodeAttribute, NodeBuilder, NodeCache, NodeCode, NodeFrame, NodeFunctionInput, NodeKeywords, NodeLoader, NodeMaterial, NodeMaterialLoader, NodeObjectLoader, NodeShaderStage, NodeType, NodeUniform, NodeUpdateType, NodeUtils, NodeVar, NodeVarying, NormalAnimationBlendMode, NormalBlending, NormalMapNode, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, Object3DNode, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OperatorNode, OrthographicCamera, OscNode, OutputStructNode, P3Primaries, PCFShadowMap, PCFSoftShadowMap, PI, PI2, PMREMGenerator, PMREMNode, PackingNode, ParameterNode, PassNode, Path, PerspectiveCamera, PhongLightingModel, PhysicalLightingModel, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, PointLightNode, PointUVNode, Points, PointsMaterial, PointsNodeMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PostProcessing, PosterizeNode, PropertyBinding, PropertyMixer, PropertyNode, QuadMesh, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGBIntegerFormat, RGBShiftNode, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RangeNode, RawShaderMaterial, Ray, Raycaster, Rec709Primaries, RectAreaLight, RectAreaLightNode, RedFormat, RedIntegerFormat, ReferenceNode, ReflectorNode, ReinhardToneMapping, RemapNode, RenderTarget, RendererReferenceNode, RepeatWrapping, ReplaceStencilOp, Return, ReverseSubtractEquation, RingGeometry, RotateNode, RotateUVNode, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, SceneNode, Schlick_to_F0, ScriptableNode, ScriptableValueNode, SetNode, ShaderMaterial, ShaderNode, ShadowMaterial, ShadowNodeMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SkinningNode, SobelOperatorNode, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SplitNode, SpotLight, SpotLightHelper, SpotLightNode, Sprite, SpriteMaterial, SpriteNodeMaterial, SpriteSheetUVNode, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StackNode, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StorageArrayElementNode, StorageBufferAttribute, StorageBufferNode, StorageInstancedBufferAttribute, StorageTexture, StorageTextureNode, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TBNViewMatrix, TOUCH, TangentSpaceNormalMap, TempNode, TetrahedronGeometry, Texture, Texture3DNode, TextureBicubicNode, TextureLoader, TextureNode, TextureSizeNode, TimerNode, ToneMappingNode, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TriplanarTexturesNode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform$1 as Uniform, UniformGroupNode, UniformNode, UniformsGroup$1 as UniformsGroup, UniformsNode, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, UserDataNode, VSMShadowMap, V_GGX_SmithCorrelated, VarNode, VaryingNode, Vector2, Vector3, Vector4, VectorKeyframeTrack, VertexColorNode, VideoTexture, ViewportDepthNode, ViewportDepthTextureNode, ViewportNode, ViewportSharedTextureNode, ViewportTextureNode, VolumeNodeMaterial, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLRenderTarget, WebGPUCoordinateSystem, WebGPURenderer, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, abs, acos, add, addLightNode, addNodeClass, addNodeElement, addNodeMaterial, afterImage, all, alphaT, anamorphic, and, anisotropy, anisotropyB, anisotropyT, any, append, arrayBuffer, asin, assign, atan, atan2, attribute, backgroundBlurriness, backgroundIntensity, batch, bitAnd, bitNot, bitOr, bitXor, bitangentGeometry, bitangentLocal, bitangentView, bitangentWorld, bitcast, blur, bmat2, bmat3, bmat4, bool, buffer, bufferAttribute, bumpMap, burn, bvec2, bvec3, bvec4, bypass, cache, call, cameraFar, cameraLogDepth, cameraNear, cameraNormalMatrix, cameraPosition, cameraProjectionMatrix, cameraProjectionMatrixInverse, cameraViewMatrix, cameraWorldMatrix, cbrt, ceil, checker, clamp, clearcoat, clearcoatRoughness, code, color, colorSpaceToLinear, colorToDirection, compute, cond, context, convert, cos, createCanvasElement, createNodeFromType, createNodeMaterialFromType, cross, cubeTexture, dFdx, dFdy, dashSize, defaultBuildStages, defaultShaderStages, defined, degrees, densityFog, depth, depthPass, difference, diffuseColor, directionToColor, discard, distance, div, dodge, dof, dot, dotScreen, drawIndex, dynamicBufferAttribute, element, equal, equals, equirectUV, exp, exp2, expression, faceDirection, faceForward, float, floor, fog, fract, frameGroup, frameId, frontFacing, fwidth, gain, gapSize, gaussianBlur, getConstNodeType, getCurrentStack, getDirection, getDistanceAttenuation, getGeometryRoughness, getRoughness, global, glsl, glslFn, greaterThan, greaterThanEqual, hash, hue, imat2, imat3, imat4, instance, instanceIndex, instancedBufferAttribute, instancedDynamicBufferAttribute, int, inverseSqrt, iridescence, iridescenceIOR, iridescenceThickness, ivec2, ivec3, ivec4, js, label, length, lengthSq, lessThan, lessThanEqual, lightTargetDirection, lightingContext, lights, lightsNode, linearDepth, linearToColorSpace, linearTosRGB, log, log2, loop, lumaCoeffs, luminance, mat2, mat3, mat4, matcapUV, materialAlphaTest, materialAnisotropy, materialAnisotropyVector, materialClearcoat, materialClearcoatNormal, materialClearcoatRoughness, materialColor, materialDispersion, materialEmissive, materialIridescence, materialIridescenceIOR, materialIridescenceThickness, materialLineDashOffset, materialLineDashSize, materialLineGapSize, materialLineScale, materialLineWidth, materialMetalness, materialNormal, materialOpacity, materialPointWidth, materialReference, materialReflectivity, materialRotation, materialRoughness, materialSheen, materialSheenRoughness, materialShininess, materialSpecular, materialSpecularStrength, max$1 as max, maxMipLevel, metalness, min$1 as min, mix, mod, modelDirection, modelNormalMatrix, modelPosition, modelScale, modelViewMatrix, modelViewPosition, modelViewProjection, modelWorldMatrix, modelWorldMatrixInverse, morphReference, mul, mx_aastep, mx_cell_noise_float, mx_contrast, mx_fractal_noise_float, mx_fractal_noise_vec2, mx_fractal_noise_vec3, mx_fractal_noise_vec4, mx_hsvtorgb, mx_noise_float, mx_noise_vec3, mx_noise_vec4, mx_ramplr, mx_ramptb, mx_rgbtohsv, mx_safepower, mx_splitlr, mx_splittb, mx_srgb_texture_to_lin_rec709, mx_transform_uv, mx_worley_noise_float, mx_worley_noise_vec2, mx_worley_noise_vec3, negate, nodeArray, nodeImmutable, nodeObject, nodeObjects, nodeProxy, normalGeometry, normalLocal, normalMap, normalView, normalWorld, normalize, not, objectDirection, objectGroup, objectNormalMatrix, objectPosition, objectScale, objectViewMatrix, objectViewPosition, objectWorldMatrix, oneMinus, or, orthographicDepthToViewZ, oscSawtooth, oscSine, oscSquare, oscTriangle, output, outputStruct, overlay, overloadingFn, parabola, parallaxDirection, parallaxUV, parameter, pass, pcurve, perspectiveDepthToViewZ, pmremTexture, pointUV, pointWidth, positionGeometry, positionLocal, positionView, positionViewDirection, positionWorld, positionWorldDirection, posterize, pow, pow2, pow3, pow4, property, radians, range, rangeFog, reciprocal, reference, referenceBuffer, reflect, reflectVector, reflectView, reflector, refract, remainder, remap, remapClamp, renderGroup, rendererReference, rgbShift, rotate, rotateUV, roughness, round, sRGBToLinear, sampler, saturate, saturation, screen, scriptable, scriptableValue, setCurrentStack, shaderStages, sheen, sheenRoughness, shiftLeft, shiftRight, shininess, sign, sin, sinc, skinning, skinningReference, smoothstep, sobel, specularColor, split, spritesheetUV, sqrt, stack, step, storage, storageObject, storageTexture, string, sub, tan, tangentGeometry, tangentLocal, tangentView, tangentWorld, temp, texture, texture3D, textureBicubic, textureCubeUV, textureLoad, texturePass, textureSize, textureStore, threshold, timerDelta, timerGlobal, timerLocal, toneMapping, transformDirection, transformedBentNormalView, transformedBitangentView, transformedBitangentWorld, transformedClearcoatNormalView, transformedNormalView, transformedNormalWorld, transformedTangentView, transformedTangentWorld, transpose, triNoise3D, triplanarTexture, triplanarTextures, trunc, tslFn, uint, umat2, umat3, umat4, uniform, uniformGroup, uniforms, userData, uv, uvec2, uvec3, uvec4, varying, varyingProperty, vec2, vec3, vec4, vectorComponents, vertexColor, vertexIndex, vibrance, viewZToOrthographicDepth, viewZToPerspectiveDepth, viewport, viewportBottomLeft, viewportBottomRight, viewportCoordinate, viewportDepthTexture, viewportLinearDepth, viewportMipTexture, viewportResolution, viewportSharedTexture, viewportTexture, viewportTopLeft, viewportTopRight, wgsl, wgslFn, xor }; diff --git a/build/three.webgpu.min.js b/build/three.webgpu.min.js new file mode 100644 index 00000000000000..6cc8018fb26492 --- /dev/null +++ b/build/three.webgpu.min.js @@ -0,0 +1,6 @@ +/** + * @license + * Copyright 2010-2024 Three.js Authors + * SPDX-License-Identifier: MIT + */ +const 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this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===$e?Qe:hi[t].transfer}};function ci(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function di(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let pi;class mi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===pi&&(pi=si("canvas")),pi.width=t.width,pi.height=t.height;const s=pi.getContext("2d");t instanceof ImageData?s.putImageData(t,0,0):s.drawImage(t,0,0,t.width,t.height),e=pi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=si("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==at)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}bi.DEFAULT_IMAGE=null,bi.DEFAULT_MAPPING=at,bi.DEFAULT_ANISOTROPY=1;class vi{constructor(t=0,e=0,s=0,i=1){vi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,o=.1,a=t.elements,h=a[0],l=a[4],u=a[8],c=a[1],d=a[5],p=a[9],m=a[2],g=a[6],f=a[10];if(Math.abs(l-c)a&&t>y?ty?a=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),n=Math.atan2(r,e*s);t=Math.sin(t*n)/r,o=Math.sin(o*n)/r}const r=o*s;if(a=a*t+c*r,h=h*t+d*r,l=l*t+p*r,u=u*t+m*r,t===1-o){const t=1/Math.sqrt(a*a+h*h+l*l+u*u);a*=t,h*=t,l*=t,u*=t}}t[e]=a,t[e+1]=h,t[e+2]=l,t[e+3]=u}static multiplyQuaternionsFlat(t,e,s,i,r,n){const o=s[i],a=s[i+1],h=s[i+2],l=s[i+3],u=r[n],c=r[n+1],d=r[n+2],p=r[n+3];return t[e]=o*p+l*u+a*d-h*c,t[e+1]=a*p+l*c+h*u-o*d,t[e+2]=h*p+l*d+o*c-a*u,t[e+3]=l*p-o*u-a*c-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,s,i){return this._x=t,this._y=e,this._z=s,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const s=t._x,i=t._y,r=t._z,n=t._order,o=Math.cos,a=Math.sin,h=o(s/2),l=o(i/2),u=o(r/2),c=a(s/2),d=a(i/2),p=a(r/2);switch(n){case"XYZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"YXZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"ZXY":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"ZYX":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"YZX":this._x=c*l*u+h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u-c*d*p;break;case"XZY":this._x=c*l*u-h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u+c*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const s=e/2,i=Math.sin(s);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],o=e[5],a=e[9],h=e[2],l=e[6],u=e[10],c=s+o+u;if(c>0){const t=.5/Math.sqrt(c+1);this._w=.25/t,this._x=(l-a)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>o&&s>u){const t=2*Math.sqrt(1+s-o-u);this._w=(l-a)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(o>u){const t=2*Math.sqrt(1+o-s-u);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(a+l)/t}else{const t=2*Math.sqrt(1+u-s-o);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(a+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return sMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(Hs(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,o=e._x,a=e._y,h=e._z,l=e._w;return this._x=s*l+n*o+i*h-r*a,this._y=i*l+n*a+r*o-s*h,this._z=r*l+n*h+s*a-i*o,this._w=n*l-s*o-i*a-r*h,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const s=this._x,i=this._y,r=this._z,n=this._w;let o=n*t._w+s*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=n,this._x=s,this._y=i,this._z=r,this;const a=1-o*o;if(a<=Number.EPSILON){const t=1-e;return this._w=t*n+e*this._w,this._x=t*s+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const h=Math.sqrt(a),l=Math.atan2(h,o),u=Math.sin((1-e)*l)/h,c=Math.sin(e*l)/h;return this._w=n*u+this._w*c,this._x=s*u+this._x*c,this._y=i*u+this._y*c,this._z=r*u+this._z*c,this._onChangeCallback(),this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ri{constructor(t=0,e=0,s=0){Ri.prototype.isVector3=!0,this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ei.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ei.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,o=t.z,a=t.w,h=2*(n*i-o*s),l=2*(o*e-r*i),u=2*(r*s-n*e);return this.x=e+a*h+n*u-o*l,this.y=s+a*l+o*h-r*u,this.z=i+a*u+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(Math.max(t,Math.min(e,s)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,o=e.y,a=e.z;return this.x=i*a-r*o,this.y=r*n-s*a,this.z=s*o-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return Ci.copy(this).projectOnVector(t),this.sub(Ci)}reflect(t){return this.sub(Ci.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(Hs(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ci=new Ri,Ei=new Ni;class Bi{constructor(t=new Ri(1/0,1/0,1/0),e=new Ri(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,s=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Pi),Pi.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ki),Gi.subVectors(this.max,ki),Ui.subVectors(t.a,ki),Oi.subVectors(t.b,ki),zi.subVectors(t.c,ki),Li.subVectors(Oi,Ui),Vi.subVectors(zi,Oi),Di.subVectors(Ui,zi);let e=[0,-Li.z,Li.y,0,-Vi.z,Vi.y,0,-Di.z,Di.y,Li.z,0,-Li.x,Vi.z,0,-Vi.x,Di.z,0,-Di.x,-Li.y,Li.x,0,-Vi.y,Vi.x,0,-Di.y,Di.x,0];return!!Hi(e,Ui,Oi,zi,Gi)&&(e=[1,0,0,0,1,0,0,0,1],!!Hi(e,Ui,Oi,zi,Gi)&&(Wi.crossVectors(Li,Vi),e=[Wi.x,Wi.y,Wi.z],Hi(e,Ui,Oi,zi,Gi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pi).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Pi).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ii[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ii[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ii[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ii[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ii[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ii[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ii[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ii[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ii)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ii=[new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri],Pi=new Ri,Fi=new Bi,Ui=new Ri,Oi=new Ri,zi=new Ri,Li=new Ri,Vi=new Ri,Di=new Ri,ki=new Ri,Gi=new Ri,Wi=new Ri,ji=new Ri;function Hi(t,e,s,i,r){for(let n=0,o=t.length-3;n<=o;n+=3){ji.fromArray(t,n);const o=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),a=e.dot(ji),h=s.dot(ji),l=i.dot(ji);if(Math.max(-Math.max(a,h,l),Math.min(a,h,l))>o)return!1}return!0}const qi=new Bi,$i=new Ri,Xi=new Ri;class Yi{constructor(t=new Ri,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const s=this.center;void 0!==e?s.copy(e):qi.setFromPoints(t).getCenter(s);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;$i.subVectors(t,this.center);const e=$i.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector($i,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Xi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint($i.copy(t.center).add(Xi)),this.expandByPoint($i.copy(t.center).sub(Xi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Ji=new Ri,Zi=new Ri,Qi=new Ri,Ki=new Ri,tr=new Ri,er=new Ri,sr=new Ri;class ir{constructor(t=new Ri,e=new Ri(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Ji)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const s=e.dot(this.direction);return s<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,s)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Ji.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Ji.copy(this.origin).addScaledVector(this.direction,e),Ji.distanceToSquared(t))}distanceSqToSegment(t,e,s,i){Zi.copy(t).add(e).multiplyScalar(.5),Qi.copy(e).sub(t).normalize(),Ki.copy(this.origin).sub(Zi);const r=.5*t.distanceTo(e),n=-this.direction.dot(Qi),o=Ki.dot(this.direction),a=-Ki.dot(Qi),h=Ki.lengthSq(),l=Math.abs(1-n*n);let u,c,d,p;if(l>0)if(u=n*a-o,c=n*o-a,p=r*l,u>=0)if(c>=-p)if(c<=p){const t=1/l;u*=t,c*=t,d=u*(u+n*c+2*o)+c*(n*u+c+2*a)+h}else c=r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c=-r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c<=-p?(u=Math.max(0,-(-n*r+o)),c=u>0?-r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h):c<=p?(u=0,c=Math.min(Math.max(-r,-a),r),d=c*(c+2*a)+h):(u=Math.max(0,-(n*r+o)),c=u>0?r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h);else c=n>0?-r:r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(Zi).addScaledVector(Qi,c),d}intersectSphere(t,e){Ji.subVectors(t.center,this.origin);const s=Ji.dot(this.direction),i=Ji.dot(Ji)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),o=s-n,a=s+n;return a<0?null:o<0?this.at(a,e):this.at(o,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,o,a;const h=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,c=this.origin;return h>=0?(s=(t.min.x-c.x)*h,i=(t.max.x-c.x)*h):(s=(t.max.x-c.x)*h,i=(t.min.x-c.x)*h),l>=0?(r=(t.min.y-c.y)*l,n=(t.max.y-c.y)*l):(r=(t.max.y-c.y)*l,n=(t.min.y-c.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n=0?(o=(t.min.z-c.z)*u,a=(t.max.z-c.z)*u):(o=(t.max.z-c.z)*u,a=(t.min.z-c.z)*u),s>a||o>i?null:((o>s||s!=s)&&(s=o),(a=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Ji)}intersectTriangle(t,e,s,i,r){tr.subVectors(e,t),er.subVectors(s,t),sr.crossVectors(tr,er);let n,o=this.direction.dot(sr);if(o>0){if(i)return null;n=1}else{if(!(o<0))return null;n=-1,o=-o}Ki.subVectors(this.origin,t);const a=n*this.direction.dot(er.crossVectors(Ki,er));if(a<0)return null;const h=n*this.direction.dot(tr.cross(Ki));if(h<0)return null;if(a+h>o)return null;const l=-n*Ki.dot(sr);return l<0?null:this.at(l/o,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class rr{constructor(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){rr.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g)}set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){const f=this.elements;return f[0]=t,f[4]=e,f[8]=s,f[12]=i,f[1]=r,f[5]=n,f[9]=o,f[13]=a,f[2]=h,f[6]=l,f[10]=u,f[14]=c,f[3]=d,f[7]=p,f[11]=m,f[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new rr).fromArray(this.elements)}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],e[9]=s[9],e[10]=s[10],e[11]=s[11],e[12]=s[12],e[13]=s[13],e[14]=s[14],e[15]=s[15],this}copyPosition(t){const e=this.elements,s=t.elements;return e[12]=s[12],e[13]=s[13],e[14]=s[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,s){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),s.setFromMatrixColumn(this,2),this}makeBasis(t,e,s){return this.set(t.x,e.x,s.x,0,t.y,e.y,s.y,0,t.z,e.z,s.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,s=t.elements,i=1/nr.setFromMatrixColumn(t,0).length(),r=1/nr.setFromMatrixColumn(t,1).length(),n=1/nr.setFromMatrixColumn(t,2).length();return e[0]=s[0]*i,e[1]=s[1]*i,e[2]=s[2]*i,e[3]=0,e[4]=s[4]*r,e[5]=s[5]*r,e[6]=s[6]*r,e[7]=0,e[8]=s[8]*n,e[9]=s[9]*n,e[10]=s[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,s=t.x,i=t.y,r=t.z,n=Math.cos(s),o=Math.sin(s),a=Math.cos(i),h=Math.sin(i),l=Math.cos(r),u=Math.sin(r);if("XYZ"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=-a*u,e[8]=h,e[1]=s+i*h,e[5]=t-r*h,e[9]=-o*a,e[2]=r-t*h,e[6]=i+s*h,e[10]=n*a}else if("YXZ"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t+r*o,e[4]=i*o-s,e[8]=n*h,e[1]=n*u,e[5]=n*l,e[9]=-o,e[2]=s*o-i,e[6]=r+t*o,e[10]=n*a}else if("ZXY"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t-r*o,e[4]=-n*u,e[8]=i+s*o,e[1]=s+i*o,e[5]=n*l,e[9]=r-t*o,e[2]=-n*h,e[6]=o,e[10]=n*a}else if("ZYX"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=i*h-s,e[8]=t*h+r,e[1]=a*u,e[5]=r*h+t,e[9]=s*h-i,e[2]=-h,e[6]=o*a,e[10]=n*a}else if("YZX"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=r-t*u,e[8]=i*u+s,e[1]=u,e[5]=n*l,e[9]=-o*l,e[2]=-h*l,e[6]=s*u+i,e[10]=t-r*u}else if("XZY"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=-u,e[8]=h*l,e[1]=t*u+r,e[5]=n*l,e[9]=s*u-i,e[2]=i*u-s,e[6]=o*l,e[10]=r*u+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(ar,t,hr)}lookAt(t,e,s){const i=this.elements;return cr.subVectors(t,e),0===cr.lengthSq()&&(cr.z=1),cr.normalize(),lr.crossVectors(s,cr),0===lr.lengthSq()&&(1===Math.abs(s.z)?cr.x+=1e-4:cr.z+=1e-4,cr.normalize(),lr.crossVectors(s,cr)),lr.normalize(),ur.crossVectors(cr,lr),i[0]=lr.x,i[4]=ur.x,i[8]=cr.x,i[1]=lr.y,i[5]=ur.y,i[9]=cr.y,i[2]=lr.z,i[6]=ur.z,i[10]=cr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],o=s[4],a=s[8],h=s[12],l=s[1],u=s[5],c=s[9],d=s[13],p=s[2],m=s[6],g=s[10],f=s[14],y=s[3],x=s[7],b=s[11],v=s[15],T=i[0],_=i[4],w=i[8],S=i[12],M=i[1],A=i[5],N=i[9],R=i[13],C=i[2],E=i[6],B=i[10],I=i[14],P=i[3],F=i[7],U=i[11],O=i[15];return r[0]=n*T+o*M+a*C+h*P,r[4]=n*_+o*A+a*E+h*F,r[8]=n*w+o*N+a*B+h*U,r[12]=n*S+o*R+a*I+h*O,r[1]=l*T+u*M+c*C+d*P,r[5]=l*_+u*A+c*E+d*F,r[9]=l*w+u*N+c*B+d*U,r[13]=l*S+u*R+c*I+d*O,r[2]=p*T+m*M+g*C+f*P,r[6]=p*_+m*A+g*E+f*F,r[10]=p*w+m*N+g*B+f*U,r[14]=p*S+m*R+g*I+f*O,r[3]=y*T+x*M+b*C+v*P,r[7]=y*_+x*A+b*E+v*F,r[11]=y*w+x*N+b*B+v*U,r[15]=y*S+x*R+b*I+v*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[12],n=t[1],o=t[5],a=t[9],h=t[13],l=t[2],u=t[6],c=t[10],d=t[14];return t[3]*(+r*a*u-i*h*u-r*o*c+s*h*c+i*o*d-s*a*d)+t[7]*(+e*a*d-e*h*c+r*n*c-i*n*d+i*h*l-r*a*l)+t[11]*(+e*h*u-e*o*d-r*n*u+s*n*d+r*o*l-s*h*l)+t[15]*(-i*o*l-e*a*u+e*o*c+i*n*u-s*n*c+s*a*l)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,s){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=s),this}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8],u=t[9],c=t[10],d=t[11],p=t[12],m=t[13],g=t[14],f=t[15],y=u*g*h-m*c*h+m*a*d-o*g*d-u*a*f+o*c*f,x=p*c*h-l*g*h-p*a*d+n*g*d+l*a*f-n*c*f,b=l*m*h-p*u*h+p*o*d-n*m*d-l*o*f+n*u*f,v=p*u*a-l*m*a-p*o*c+n*m*c+l*o*g-n*u*g,T=e*y+s*x+i*b+r*v;if(0===T)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const _=1/T;return t[0]=y*_,t[1]=(m*c*r-u*g*r-m*i*d+s*g*d+u*i*f-s*c*f)*_,t[2]=(o*g*r-m*a*r+m*i*h-s*g*h-o*i*f+s*a*f)*_,t[3]=(u*a*r-o*c*r-u*i*h+s*c*h+o*i*d-s*a*d)*_,t[4]=x*_,t[5]=(l*g*r-p*c*r+p*i*d-e*g*d-l*i*f+e*c*f)*_,t[6]=(p*a*r-n*g*r-p*i*h+e*g*h+n*i*f-e*a*f)*_,t[7]=(n*c*r-l*a*r+l*i*h-e*c*h-n*i*d+e*a*d)*_,t[8]=b*_,t[9]=(p*u*r-l*m*r-p*s*d+e*m*d+l*s*f-e*u*f)*_,t[10]=(n*m*r-p*o*r+p*s*h-e*m*h-n*s*f+e*o*f)*_,t[11]=(l*o*r-n*u*r-l*s*h+e*u*h+n*s*d-e*o*d)*_,t[12]=v*_,t[13]=(l*m*i-p*u*i+p*s*c-e*m*c-l*s*g+e*u*g)*_,t[14]=(p*o*i-n*m*i-p*s*a+e*m*a+n*s*g-e*o*g)*_,t[15]=(n*u*i-l*o*i+l*s*a-e*u*a-n*s*c+e*o*c)*_,this}scale(t){const e=this.elements,s=t.x,i=t.y,r=t.z;return e[0]*=s,e[4]*=i,e[8]*=r,e[1]*=s,e[5]*=i,e[9]*=r,e[2]*=s,e[6]*=i,e[10]*=r,e[3]*=s,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],s=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,s,i))}makeTranslation(t,e,s){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,s,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),s=Math.sin(t);return this.set(1,0,0,0,0,e,-s,0,0,s,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,0,s,0,0,1,0,0,-s,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,0,s,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const s=Math.cos(e),i=Math.sin(e),r=1-s,n=t.x,o=t.y,a=t.z,h=r*n,l=r*o;return this.set(h*n+s,h*o-i*a,h*a+i*o,0,h*o+i*a,l*o+s,l*a-i*n,0,h*a-i*o,l*a+i*n,r*a*a+s,0,0,0,0,1),this}makeScale(t,e,s){return this.set(t,0,0,0,0,e,0,0,0,0,s,0,0,0,0,1),this}makeShear(t,e,s,i,r,n){return this.set(1,s,r,0,t,1,n,0,e,i,1,0,0,0,0,1),this}compose(t,e,s){const i=this.elements,r=e._x,n=e._y,o=e._z,a=e._w,h=r+r,l=n+n,u=o+o,c=r*h,d=r*l,p=r*u,m=n*l,g=n*u,f=o*u,y=a*h,x=a*l,b=a*u,v=s.x,T=s.y,_=s.z;return i[0]=(1-(m+f))*v,i[1]=(d+b)*v,i[2]=(p-x)*v,i[3]=0,i[4]=(d-b)*T,i[5]=(1-(c+f))*T,i[6]=(g+y)*T,i[7]=0,i[8]=(p+x)*_,i[9]=(g-y)*_,i[10]=(1-(c+m))*_,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,s){const i=this.elements;let r=nr.set(i[0],i[1],i[2]).length();const n=nr.set(i[4],i[5],i[6]).length(),o=nr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],or.copy(this);const a=1/r,h=1/n,l=1/o;return or.elements[0]*=a,or.elements[1]*=a,or.elements[2]*=a,or.elements[4]*=h,or.elements[5]*=h,or.elements[6]*=h,or.elements[8]*=l,or.elements[9]*=l,or.elements[10]*=l,e.setFromRotationMatrix(or),s.x=r,s.y=n,s.z=o,this}makePerspective(t,e,s,i,r,n,o=2e3){const a=this.elements,h=2*r/(e-t),l=2*r/(s-i),u=(e+t)/(e-t),c=(s+i)/(s-i);let d,p;if(o===zs)d=-(n+r)/(n-r),p=-2*n*r/(n-r);else{if(o!==Ls)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);d=-n/(n-r),p=-n*r/(n-r)}return a[0]=h,a[4]=0,a[8]=u,a[12]=0,a[1]=0,a[5]=l,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=d,a[14]=p,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,s,i,r,n,o=2e3){const a=this.elements,h=1/(e-t),l=1/(s-i),u=1/(n-r),c=(e+t)*h,d=(s+i)*l;let p,m;if(o===zs)p=(n+r)*u,m=-2*u;else{if(o!==Ls)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);p=r*u,m=-1*u}return a[0]=2*h,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-d,a[2]=0,a[6]=0,a[10]=m,a[14]=-p,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<16;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<16;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t[e+9]=s[9],t[e+10]=s[10],t[e+11]=s[11],t[e+12]=s[12],t[e+13]=s[13],t[e+14]=s[14],t[e+15]=s[15],t}}const nr=new Ri,or=new rr,ar=new Ri(0,0,0),hr=new Ri(1,1,1),lr=new Ri,ur=new Ri,cr=new Ri,dr=new rr,pr=new Ni;class mr{constructor(t=0,e=0,s=0,i=mr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=s,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,s,i=this._order){return this._x=t,this._y=e,this._z=s,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,s=!0){const i=t.elements,r=i[0],n=i[4],o=i[8],a=i[1],h=i[5],l=i[9],u=i[2],c=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(Hs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(c,h),this._z=0);break;case"YXZ":this._x=Math.asin(-Hs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(a,h)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(Hs(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(a,r));break;case"ZYX":this._y=Math.asin(-Hs(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(c,d),this._z=Math.atan2(a,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(Hs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-Hs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(c,h),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===s&&this._onChangeCallback(),this}setFromQuaternion(t,e,s){return dr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(dr,e,s)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return pr.setFromEuler(this),this.setFromQuaternion(pr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}mr.DEFAULT_ORDER="XYZ";class gr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),o.length>0&&(s.images=o),a.length>0&&(s.shapes=a),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),u.length>0&&(s.nodes=u)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Ir.subVectors(i,e),Pr.subVectors(s,e),Fr.subVectors(t,e);const n=Ir.dot(Ir),o=Ir.dot(Pr),a=Ir.dot(Fr),h=Pr.dot(Pr),l=Pr.dot(Fr),u=n*h-o*o;if(0===u)return r.set(0,0,0),null;const c=1/u,d=(h*a-o*l)*c,p=(n*l-o*a)*c;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Ur)&&(Ur.x>=0&&Ur.y>=0&&Ur.x+Ur.y<=1)}static getInterpolation(t,e,s,i,r,n,o,a){return null===this.getBarycoord(t,e,s,i,Ur)?(a.x=0,a.y=0,"z"in a&&(a.z=0),"w"in a&&(a.w=0),null):(a.setScalar(0),a.addScaledVector(r,Ur.x),a.addScaledVector(n,Ur.y),a.addScaledVector(o,Ur.z),a)}static isFrontFacing(t,e,s,i){return Ir.subVectors(s,e),Pr.subVectors(t,e),Ir.cross(Pr).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Ir.subVectors(this.c,this.b),Pr.subVectors(this.a,this.b),.5*Ir.cross(Pr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Gr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Gr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return Gr.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return Gr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Gr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,o;Or.subVectors(i,s),zr.subVectors(r,s),Vr.subVectors(t,s);const a=Or.dot(Vr),h=zr.dot(Vr);if(a<=0&&h<=0)return e.copy(s);Dr.subVectors(t,i);const l=Or.dot(Dr),u=zr.dot(Dr);if(l>=0&&u<=l)return e.copy(i);const c=a*u-l*h;if(c<=0&&a>=0&&l<=0)return n=a/(a-l),e.copy(s).addScaledVector(Or,n);kr.subVectors(t,r);const d=Or.dot(kr),p=zr.dot(kr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-a*p;if(m<=0&&h>=0&&p<=0)return o=h/(h-p),e.copy(s).addScaledVector(zr,o);const g=l*p-d*u;if(g<=0&&u-l>=0&&d-p>=0)return Lr.subVectors(r,i),o=(u-l)/(u-l+(d-p)),e.copy(i).addScaledVector(Lr,o);const f=1/(g+m+c);return n=m*f,o=c*f,e.copy(s).addScaledVector(Or,n).addScaledVector(zr,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Wr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},Hr={h:0,s:0,l:0};function qr(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class $r{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Xe){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,ui.toWorkingColorSpace(this,e),this}setRGB(t,e,s,i=ui.workingColorSpace){return this.r=t,this.g=e,this.b=s,ui.toWorkingColorSpace(this,i),this}setHSL(t,e,s,i=ui.workingColorSpace){if(t=qs(t,1),e=Hs(e,0,1),s=Hs(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=qr(r,i,t+1/3),this.g=qr(r,i,t),this.b=qr(r,i,t-1/3)}return ui.toWorkingColorSpace(this,i),this}setStyle(t,e=Xe){function s(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],o=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Xe){const s=Wr[t.toLowerCase()];return void 0!==s?this.setHex(s,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=ci(t.r),this.g=ci(t.g),this.b=ci(t.b),this}copyLinearToSRGB(t){return this.r=di(t.r),this.g=di(t.g),this.b=di(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Xe){return ui.fromWorkingColorSpace(Xr.copy(this),t),65536*Math.round(Hs(255*Xr.r,0,255))+256*Math.round(Hs(255*Xr.g,0,255))+Math.round(Hs(255*Xr.b,0,255))}getHexString(t=Xe){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=ui.workingColorSpace){ui.fromWorkingColorSpace(Xr.copy(this),e);const s=Xr.r,i=Xr.g,r=Xr.b,n=Math.max(s,i,r),o=Math.min(s,i,r);let a,h;const l=(o+n)/2;if(o===n)a=0,h=0;else{const t=n-o;switch(h=l<=.5?t/(n+o):t/(2-n-o),n){case s:a=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),this.side!==c&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),this.blendSrc!==C&&(s.blendSrc=this.blendSrc),this.blendDst!==E&&(s.blendDst=this.blendDst),this.blendEquation!==v&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==ys&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==is&&(s.stencilFail=this.stencilFail),this.stencilZFail!==is&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==is&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Zr extends Jr{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Qr=Kr();function Kr(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),o=new Uint32Array(64),a=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;0==(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)o[t]=t<<23;o[31]=1199570944,o[32]=2147483648;for(let t=33;t<63;++t)o[t]=2147483648+(t-32<<23);o[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(a[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:o,offsetTable:a}}function tn(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=Hs(t,-65504,65504),Qr.floatView[0]=t;const e=Qr.uint32View[0],s=e>>23&511;return Qr.baseTable[s]+((8388607&e)>>Qr.shiftTable[s])}function en(t){const e=t>>10;return Qr.uint32View[0]=Qr.mantissaTable[Qr.offsetTable[e]+(1023&t)]+Qr.exponentTable[e],Qr.floatView[0]}const sn={toHalfFloat:tn,fromHalfFloat:en},rn=new Ri,nn=new Zs;class on{constructor(t,e,s=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=It,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;i=0;--e)if(t[e]>=65535)return!0;return!1}(t)?pn:cn)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,s=0){this.groups.push({start:t,count:e,materialIndex:s})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const s=this.attributes.normal;if(void 0!==s){const e=(new Qs).getNormalMatrix(t);s.applyNormalMatrix(e),s.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return yn.makeRotationFromQuaternion(t),this.applyMatrix4(yn),this}rotateX(t){return yn.makeRotationX(t),this.applyMatrix4(yn),this}rotateY(t){return yn.makeRotationY(t),this.applyMatrix4(yn),this}rotateZ(t){return yn.makeRotationZ(t),this.applyMatrix4(yn),this}translate(t,e,s){return yn.makeTranslation(t,e,s),this.applyMatrix4(yn),this}scale(t,e,s){return yn.makeScale(t,e,s),this.applyMatrix4(yn),this}lookAt(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(bn).negate(),this.translate(bn.x,bn.y,bn.z),this}setFromPoints(t){const e=[];for(let s=0,i=t.length;s0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const o=this.boundingSphere;return null!==o&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone(e));const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t(t.far-t.near)**2)return}Sn.copy(r).invert(),Mn.copy(t.ray).applyMatrix4(Sn),null!==s.boundingBox&&!1===Mn.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,Mn)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,o=r.index,a=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,u=r.attributes.normal,c=r.groups,d=r.drawRange;if(null!==o)if(Array.isArray(n))for(let r=0,a=c.length;rs.far?null:{distance:l,point:Dn.clone(),object:t}}(t,e,s,i,Rn,Cn,En,Vn);if(u){r&&(Pn.fromBufferAttribute(r,a),Fn.fromBufferAttribute(r,h),Un.fromBufferAttribute(r,l),u.uv=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),n&&(Pn.fromBufferAttribute(n,a),Fn.fromBufferAttribute(n,h),Un.fromBufferAttribute(n,l),u.uv1=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),o&&(On.fromBufferAttribute(o,a),zn.fromBufferAttribute(o,h),Ln.fromBufferAttribute(o,l),u.normal=Gr.getInterpolation(Vn,Rn,Cn,En,On,zn,Ln,new Ri),u.normal.dot(i.direction)>0&&u.normal.multiplyScalar(-1));const t={a:a,b:h,c:l,normal:new Ri,materialIndex:0};Gr.getNormal(Rn,Cn,En,t.normal),u.face=t}return u}class Wn extends wn{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const o=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const a=[],h=[],l=[],u=[];let c=0,d=0;function p(t,e,s,i,r,n,p,m,g,f,y){const x=n/g,b=p/f,v=n/2,T=p/2,_=m/2,w=g+1,S=f+1;let M=0,A=0;const N=new Ri;for(let n=0;n0?1:-1,l.push(N.x,N.y,N.z),u.push(a/g),u.push(1-n/f),M+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}}class qn extends Br{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new rr,this.projectionMatrix=new rr,this.projectionMatrixInverse=new rr,this.coordinateSystem=zs}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const $n=new Ri,Xn=new Zs,Yn=new Zs;class Jn extends qn{constructor(t=50,e=1,s=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=s,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Ws*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gs*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Ws*Math.atan(Math.tan(.5*Gs*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,s){$n.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set($n.x,$n.y).multiplyScalar(-t/$n.z),$n.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),s.set($n.x,$n.y).multiplyScalar(-t/$n.z)}getViewSize(t,e){return this.getViewBounds(t,Xn,Yn),e.subVectors(Yn,Xn)}setViewOffset(t,e,s,i,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gs*this.fov)/this.zoom,s=2*e,i=this.aspect*s,r=-.5*i;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,o=n.fullHeight;r+=n.offsetX*i/t,e-=n.offsetY*s/o,i*=n.width/t,s*=n.height/o}const o=this.filmOffset;0!==o&&(r+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-s,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const Zn=-90;class Qn extends Br{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new Jn(Zn,1,t,e);i.layers=this.layers,this.add(i);const r=new Jn(Zn,1,t,e);r.layers=this.layers,this.add(r);const n=new Jn(Zn,1,t,e);n.layers=this.layers,this.add(n);const o=new Jn(Zn,1,t,e);o.layers=this.layers,this.add(o);const a=new Jn(Zn,1,t,e);a.layers=this.layers,this.add(a);const h=new Jn(Zn,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,o,a]=e;for(const t of e)this.remove(t);if(t===zs)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),a.up.set(0,1,0),a.lookAt(0,0,-1);else{if(t!==Ls)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),a.up.set(0,-1,0),a.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,o,a,h,l]=this.children,u=t.getRenderTarget(),c=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1,t.setRenderTarget(s,0,i),t.render(e,r),t.setRenderTarget(s,1,i),t.render(e,n),t.setRenderTarget(s,2,i),t.render(e,o),t.setRenderTarget(s,3,i),t.render(e,a),t.setRenderTarget(s,4,i),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),t.render(e,l),t.setRenderTarget(u,c,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class Kn extends bi{constructor(t,e,s,i,r,n,o,a,h,l){super(t=void 0!==t?t:[],e=void 0!==e?e:ht,s,i,r,n,o,a,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class to extends _i{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const s={width:t,height:t,depth:1},i=[s,s,s,s,s,s];this.texture=new Kn(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Tt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const s={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Wn(5,5,5),r=new Hn({name:"CubemapFromEquirect",uniforms:jn(s.uniforms),vertexShader:s.vertexShader,fragmentShader:s.fragmentShader,side:d,blending:m});r.uniforms.tEquirect.value=e;const n=new kn(i,r),o=e.minFilter;e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,n),e.minFilter=o,n.geometry.dispose(),n.material.dispose(),this}clear(t,e,s,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,s,i);t.setRenderTarget(r)}}class eo{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new $r(t),this.density=e}clone(){return new eo(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class so{constructor(t,e=1,s=1e3){this.isFog=!0,this.name="",this.color=new $r(t),this.near=e,this.far=s}clone(){return new so(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class io extends Br{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new mr,this.environmentIntensity=1,this.environmentRotation=new mr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ro{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=js()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,s){t*=this.stride,s*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:a,point:lo.clone(),uv:Gr.getInterpolation(lo,fo,yo,xo,bo,vo,To,new Zs),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wo(t,e,s,i,r,n){po.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(mo.x=n*po.x-r*po.y,mo.y=r*po.x+n*po.y):mo.copy(po),t.copy(e),t.x+=mo.x,t.y+=mo.y,t.applyMatrix4(go)}const So=new Ri,Mo=new Ri;class Ao extends Br{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t0){let s,i;for(s=1,i=e.length;s0){So.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(So);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){So.setFromMatrixPosition(t.matrixWorld),Mo.setFromMatrixPosition(this.matrixWorld);const s=So.distanceTo(Mo)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i1?null:e.copy(t.start).addScaledVector(s,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||Ko.getNormalMatrix(t),i=this.coplanarPoint(Zo).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ea=new Yi,sa=new Ri;class ia{constructor(t=new ta,e=new ta,s=new ta,i=new ta,r=new ta,n=new ta){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(s),o[3].copy(i),o[4].copy(r),o[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3){const s=this.planes,i=t.elements,r=i[0],n=i[1],o=i[2],a=i[3],h=i[4],l=i[5],u=i[6],c=i[7],d=i[8],p=i[9],m=i[10],g=i[11],f=i[12],y=i[13],x=i[14],b=i[15];if(s[0].setComponents(a-r,c-h,g-d,b-f).normalize(),s[1].setComponents(a+r,c+h,g+d,b+f).normalize(),s[2].setComponents(a+n,c+l,g+p,b+y).normalize(),s[3].setComponents(a-n,c-l,g-p,b-y).normalize(),s[4].setComponents(a-o,c-u,g-m,b-x).normalize(),e===zs)s[5].setComponents(a+o,c+u,g+m,b+x).normalize();else{if(e!==Ls)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,m,x).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ea.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ea.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ea)}intersectsSprite(t){return ea.center.set(0,0,0),ea.radius=.7071067811865476,ea.applyMatrix4(t.matrixWorld),this.intersectsSphere(ea)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)0?t.max.x:t.min.x,sa.y=i.normal.y>0?t.max.y:t.min.y,sa.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(sa)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function ra(t,e){return t.z-e.z}function na(t,e){return e.z-t.z}class oa{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,s){const i=this.pool,r=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const n=i[this.index];r.push(n),this.index++,n.start=t.start,n.count=t.count,n.z=e,n.index=s}reset(){this.list.length=0,this.index=0}}const aa=new rr,ha=new rr,la=new rr,ua=new $r(1,1,1),ca=new rr,da=new ia,pa=new Bi,ma=new Yi,ga=new Ri,fa=new Ri,ya=new Ri,xa=new oa,ba=new kn,va=[];function Ta(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new on(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Bi);const t=this._geometryCount,e=this.boundingBox,s=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,s=this._matricesTexture,i=s.image.data;la.toArray(i,16*e),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(ua.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,s=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const n=this._reservedRanges,o=this._drawRanges,a=this._bounds;0!==this._geometryCount&&(r=n[n.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const h=t.getIndex(),l=null!==h;if(l&&(i.indexCount=-1===s?h.count:s,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const u=this._geometryCount;return this._geometryCount++,n.push(i),o.push({start:l?i.indexStart:i.vertexStart,count:-1}),a.push({boxInitialized:!1,box:new Bi,sphereInitialized:!1,sphere:new Yi}),this.setGeometryAt(u,t),u}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),o=this._reservedRanges[t];if(i&&n.count>o.indexCount||e.attributes.position.count>o.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const a=o.vertexStart,h=o.vertexCount;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Ta(i,r,a);const n=i.itemSize;for(let t=i.count,e=h;t=this._geometryCount)return null;const s=this._bounds[t],i=s.box,r=this.geometry;if(!1===s.boxInitialized){i.makeEmpty();const e=r.index,n=r.attributes.position,o=this._drawRanges[t];for(let t=o.start,s=o.start+o.count;t=this._geometryCount)return null;const s=this._bounds[t],i=s.sphere,r=this.geometry;if(!1===s.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,pa),pa.getCenter(i.center);const e=r.index,n=r.attributes.position,o=this._drawRanges[t];let a=0;for(let t=o.start,s=o.start+o.count;t=s.length||!1===s[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const s=this._drawInfo,i=this._matricesTexture.image.data;return t>=s.length||!1===s[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const s=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),s.needsUpdate=!0),this}getColorAt(t,e){const s=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(s,4*t)}setVisibleAt(t,e){const s=this._drawInfo;return t>=s.length||!1===s[t].active||s[t].visible===e||(s[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const s=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,n=this.geometry;ba.material=this.material,ba.geometry.index=n.index,ba.geometry.attributes=n.attributes,null===ba.geometry.boundingBox&&(ba.geometry.boundingBox=new Bi),null===ba.geometry.boundingSphere&&(ba.geometry.boundingSphere=new Yi);for(let n=0,o=s.length;n({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex(),o=null===n?1:n.array.BYTES_PER_ELEMENT,a=this._drawInfo,h=this._multiDrawStarts,l=this._multiDrawCounts,u=this._drawRanges,c=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;c&&(ca.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),da.setFromProjectionMatrix(ca,t.coordinateSystem));let m=0;if(this.sortObjects){ha.copy(this.matrixWorld).invert(),ga.setFromMatrixPosition(s.matrixWorld).applyMatrix4(ha),fa.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(ha);for(let t=0,e=a.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;ti)return;Ca.applyMatrix4(t.matrixWorld);const a=e.ray.origin.distanceTo(Ca);return ae.far?void 0:{distance:a,point:Ea.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Pa=new Ri,Fa=new Ri;class Ua extends Ba{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;tr.far)return;n.push({distance:h,distanceToRay:Math.sqrt(a),point:s,index:e,face:null,object:o})}}class ja extends Br{constructor(){super(),this.isGroup=!0,this.type="Group"}}class Ha extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isVideoTexture=!0,this.minFilter=void 0!==n?n:Tt,this.magFilter=void 0!==r?r:Tt,this.generateMipmaps=!1;const l=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){l.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class qa extends bi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class $a extends bi{constructor(t,e,s,i,r,n,o,a,h,l,u,c){super(null,n,o,a,h,l,i,r,u,c),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Xa extends $a{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Ya extends $a{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,ht),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Ja extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Za extends bi{constructor(t,e,s,i,r,n,o,a,h,l=1026){if(l!==Wt&&l!==jt)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===s&&l===Wt&&(s=Bt),void 0===s&&l===jt&&(s=Ot),super(null,i,r,n,o,a,l,s,h),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==o?o:ft,this.minFilter=void 0!==a?a:ft,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Qa{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const s=this.getUtoTmapping(t);return this.getPoint(s,e)}getPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPoint(s/t));return e}getSpacedPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPointAt(s/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let s,i=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)s=this.getPoint(n/t),r+=s.distanceTo(i),e.push(r),i=s;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const s=this.getLengths();let i=0;const r=s.length;let n;n=e||t*s[r-1];let o,a=0,h=r-1;for(;a<=h;)if(i=Math.floor(a+(h-a)/2),o=s[i]-n,o<0)a=i+1;else{if(!(o>0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),o=this.getPoint(r),a=e||(n.isVector2?new Zs:new Ri);return a.copy(o).sub(n).normalize(),a}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e){const s=new Ri,i=[],r=[],n=[],o=new Ri,a=new rr;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ri)}r[0]=new Ri,n[0]=new Ri;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),u=Math.abs(i[0].y),c=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),u<=h&&(h=u,s.set(0,1,0)),c<=h&&s.set(0,0,1),o.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],o),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),o.crossVectors(i[e-1],i[e]),o.length()>Number.EPSILON){o.normalize();const t=Math.acos(Hs(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(a.makeRotationAxis(o,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(Hs(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(o.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(a.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ka extends Qa{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,o=!1,a=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=o,this.aRotation=a}getPoint(t,e=new Zs){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?o=i[(h-1)%r]:(sh.subVectors(i[0],i[1]).add(i[0]),o=sh);const u=i[h%r],c=i[(h+1)%r];if(this.closed||h+2i.length-2?i.length-1:n+1],u=i[n>i.length-3?i.length-1:n+2];return s.set(ah(o,a.x,h.x,l.x,u.x),ah(o,a.y,h.y,l.y,u.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e=s){const t=i[r]-s,n=this.curves[r],o=n.getLength(),a=0===o?0:1-t/o;return n.getPointAt(a,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class vh extends wn{constructor(t=[new Zs(0,-.5),new Zs(.5,0),new Zs(0,.5)],e=12,s=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:s,phiLength:i},e=Math.floor(e),i=Hs(i,0,2*Math.PI);const r=[],n=[],o=[],a=[],h=[],l=1/e,u=new Ri,c=new Zs,d=new Ri,p=new Ri,m=new Ri;let g=0,f=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,m.copy(d),d.normalize(),a.push(d.x,d.y,d.z);break;case t.length-1:a.push(m.x,m.y,m.z);break;default:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),a.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=s+r*l*i,p=Math.sin(d),m=Math.cos(d);for(let s=0;s<=t.length-1;s++){u.x=t[s].x*p,u.y=t[s].y,u.z=t[s].x*m,n.push(u.x,u.y,u.z),c.x=r/e,c.y=s/(t.length-1),o.push(c.x,c.y);const i=a[3*s+0]*p,l=a[3*s+1],d=a[3*s+0]*m;h.push(i,l,d)}}for(let s=0;s0&&y(!0),e>0&&y(!1)),this.setIndex(l),this.setAttribute("position",new gn(u,3)),this.setAttribute("normal",new gn(c,3)),this.setAttribute("uv",new gn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new wh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Sh extends wh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,o=2*Math.PI){super(0,t,e,s,i,r,n,o),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:o}}static fromJSON(t){return new Sh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Mh extends wn{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function o(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const o=t.clone().lerp(s,i/r),a=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?o:o.clone().lerp(a,t/h)}for(let t=0;t.9&&o<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new gn(r,3)),this.setAttribute("normal",new gn(r.slice(),3)),this.setAttribute("uv",new gn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Mh(t.vertices,t.indices,t.radius,t.details)}}class Ah extends Mh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ah(t.radius,t.detail)}}const Nh=new Ri,Rh=new Ri,Ch=new Ri,Eh=new Gr;class Bh extends wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const 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b=t.prevZ,v=t.nextZ;for(;b&&b.z>=y&&v&&v.z<=x;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=y;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function Vh(t,e,s){let i=t;do{const r=i.prev,n=i.next.next;!Yh(r,n)&&Jh(r,i,i.next,n)&&Kh(r,n)&&Kh(n,r)&&(e.push(r.i/s|0),e.push(i.i/s|0),e.push(n.i/s|0),sl(i),sl(i.next),i=t=n),i=i.next}while(i!==t);return Uh(i)}function Dh(t,e,s,i,r,n){let o=t;do{let t=o.next.next;for(;t!==o.prev;){if(o.i!==t.i&&$h(o,t)){let a=tl(o,t);return o=Uh(o,o.next),a=Uh(a,a.next),Oh(o,e,s,i,r,n,0),void Oh(a,e,s,i,r,n,0)}t=t.next}o=o.next}while(o!==t)}function kh(t,e){return t.x-e.x}function Gh(t,e){const s=function(t,e){let s,i=e,r=-1/0;const n=t.x,o=t.y;do{if(o<=i.y&&o>=i.next.y&&i.next.y!==i.y){const t=i.x+(o-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=n&&t>r&&(r=t,s=i.x=i.x&&i.x>=h&&n!==i.x&&qh(os.x||i.x===s.x&&Wh(s,i)))&&(s=i,c=u)),i=i.next}while(i!==a);return s}(t,e);if(!s)return e;const i=tl(s,t);return Uh(i,i.next),Uh(s,s.next)}function Wh(t,e){return Xh(t.prev,t,e.prev)<0&&Xh(e.next,t,t.next)<0}function jh(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function Hh(t){let e=t,s=t;do{(e.x=(t-o)*(n-a)&&(t-o)*(i-a)>=(s-o)*(e-a)&&(s-o)*(n-a)>=(r-o)*(i-a)}function $h(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&Jh(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(Kh(t,e)&&Kh(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(Xh(t.prev,t,e.prev)||Xh(t,e.prev,e))||Yh(t,e)&&Xh(t.prev,t,t.next)>0&&Xh(e.prev,e,e.next)>0)}function Xh(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function Yh(t,e){return t.x===e.x&&t.y===e.y}function Jh(t,e,s,i){const r=Qh(Xh(t,e,s)),n=Qh(Xh(t,e,i)),o=Qh(Xh(s,i,t)),a=Qh(Xh(s,i,e));return r!==n&&o!==a||(!(0!==r||!Zh(t,s,e))||(!(0!==n||!Zh(t,i,e))||(!(0!==o||!Zh(s,t,i))||!(0!==a||!Zh(s,e,i)))))}function Zh(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function Qh(t){return t>0?1:t<0?-1:0}function Kh(t,e){return Xh(t.prev,t,t.next)<0?Xh(t,e,t.next)>=0&&Xh(t,t.prev,e)>=0:Xh(t,e,t.prev)<0||Xh(t,t.next,e)<0}function tl(t,e){const s=new il(t.i,t.x,t.y),i=new il(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function el(t,e,s,i){const r=new il(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function sl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function il(t,e,s){this.i=t,this.x=e,this.y=s,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class rl{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function ol(t,e){for(let s=0;sNumber.EPSILON){const c=Math.sqrt(u),d=Math.sqrt(h*h+l*l),p=e.x-a/c,m=e.y+o/c,g=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(o*l-a*h);i=p+o*g-t.x,r=m+a*g-t.y;const f=i*i+r*r;if(f<=2)return new Zs(i,r);n=Math.sqrt(f/2)}else{let t=!1;o>Number.EPSILON?h>Number.EPSILON&&(t=!0):o<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(a)===Math.sign(l)&&(t=!0),t?(i=-a,r=o,n=Math.sqrt(u)):(i=o,r=a,n=Math.sqrt(u/2))}return new Zs(i/n,r/n)}const B=[];for(let t=0,e=A.length,s=e-1,i=t+1;t=0;t--){const e=t/p,s=u*Math.cos(e*Math.PI/2),i=c*Math.sin(e*Math.PI/2)+d;for(let t=0,e=A.length;t=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=a+2*p;t0)&&d.push(e,r,h),(t!==s-1||a0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Al extends Jr{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new $r(16777215),this.specular=new $r(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Nl extends Jr{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $r(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Rl extends Jr{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Cl extends Jr{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class El extends Jr{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class Bl extends Jr{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class Il extends Jr{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $r(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Pl extends wa{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Fl(t,e,s){return!t||!s&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function Ul(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Ol(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort((function(e,s){return t[e]-t[s]})),s}function zl(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,o=0;o!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[o++]=t[i+s]}return r}function Ll(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let o=n[i];if(void 0!==o)if(Array.isArray(o))do{o=n[i],void 0!==o&&(e.push(n.time),s.push.apply(s,o)),n=t[r++]}while(void 0!==n);else if(void 0!==o.toArray)do{o=n[i],void 0!==o&&(e.push(n.time),o.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{o=n[i],void 0!==o&&(e.push(n.time),s.push(o)),n=t[r++]}while(void 0!==n)}const Vl={convertArray:Fl,isTypedArray:Ul,getKeyframeOrder:Ol,sortedArray:zl,flattenJSON:Ll,subclip:function(t,e,s,i,r=30){const n=t.clone();n.name=e;const o=[];for(let t=0;t=i)){h.push(e.times[t]);for(let s=0;sn.tracks[t].times[0]&&(a=n.tracks[t].times[0]);for(let t=0;t=i.times[c]){const t=c*h+a,e=t+h-a;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=a,s=h-a;t.evaluate(n),d=t.resultBuffer.slice(e,s)}if("quaternion"===r){(new Ni).fromArray(d).normalize().conjugate().toArray(d)}const p=o.times.length;for(let t=0;t=r)break t;{const o=e[1];t=r)break e}n=s,s=0}}for(;s>>1;te;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&Ul(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let o=1;o0){t[n]=t[r];for(let t=r*s,i=n*s,o=0;o!==s;++o)e[i+o]=e[t+o];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}jl.prototype.TimeBufferType=Float32Array,jl.prototype.ValueBufferType=Float32Array,jl.prototype.DefaultInterpolation=Pe;class Hl extends jl{constructor(t,e,s){super(t,e,s)}}Hl.prototype.ValueTypeName="bool",Hl.prototype.ValueBufferType=Array,Hl.prototype.DefaultInterpolation=Ie,Hl.prototype.InterpolantFactoryMethodLinear=void 0,Hl.prototype.InterpolantFactoryMethodSmooth=void 0;class ql extends jl{}ql.prototype.ValueTypeName="color";class $l extends jl{}$l.prototype.ValueTypeName="number";class Xl extends Dl{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,o=this.valueSize,a=(s-e)/(i-e);let h=t*o;for(let t=h+o;h!==t;h+=4)Ni.slerpFlat(r,0,n,h-o,n,h,a);return r}}class Yl extends jl{InterpolantFactoryMethodLinear(t){return new Xl(this.times,this.values,this.getValueSize(),t)}}Yl.prototype.ValueTypeName="quaternion",Yl.prototype.InterpolantFactoryMethodSmooth=void 0;class Jl extends jl{constructor(t,e,s){super(t,e,s)}}Jl.prototype.ValueTypeName="string",Jl.prototype.ValueBufferType=Array,Jl.prototype.DefaultInterpolation=Ie,Jl.prototype.InterpolantFactoryMethodLinear=void 0,Jl.prototype.InterpolantFactoryMethodSmooth=void 0;class Zl extends jl{}Zl.prototype.ValueTypeName="vector";class Ql{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=js(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(Kl(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=s.length;t!==i;++t)e.push(jl.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const s=function(t,e,s,i,r){if(0!==s.length){const n=[],o=[];Ll(s,n,o,i),0!==n.length&&r.push(new t(e,n,o))}},i=[],r=t.name||"default",n=t.fps||30,o=t.blendMode;let a=t.length||-1;const h=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==ru[t])return void ru[t].push({onLoad:e,onProgress:s,onError:i});ru[t]=[],ru[t].push({onLoad:e,onProgress:s,onError:i});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),o=this.mimeType,a=this.responseType;fetch(n).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const s=ru[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,o=0!==n;let a=0;const h=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{a+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n});for(let t=0,e=s.length;t{t.error(e)}))}()}});return new Response(h)}throw new nu(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(a){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,o)));case"json":return t.json();default:if(void 0===o)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(o),s=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(s);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{tu.add(t,e);const s=ru[t];delete ru[t];for(let t=0,i=s.length;t{const s=ru[t];if(void 0===s)throw this.manager.itemError(t),e;delete ru[t];for(let t=0,i=s.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class au extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),s,i)}parse(t){const e=[];for(let s=0;s0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=s(r.value);break;case"c":i.uniforms[e].value=(new $r).setHex(r.value);break;case"v2":i.uniforms[e].value=(new Zs).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Ri).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new vi).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qs).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new rr).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=s(t.map)),void 0!==t.matcap&&(i.matcap=s(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=s(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=s(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=s(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new Zs).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=s(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=s(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=s(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=s(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=s(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=s(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=s(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=s(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=s(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=s(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=s(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=s(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=s(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=s(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new Zs).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=s(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=s(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=s(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=s(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=s(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=s(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=s(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:_l,SpriteMaterial:ao,RawShaderMaterial:wl,ShaderMaterial:Hn,PointsMaterial:za,MeshPhysicalMaterial:Ml,MeshStandardMaterial:Sl,MeshPhongMaterial:Al,MeshToonMaterial:Nl,MeshNormalMaterial:Rl,MeshLambertMaterial:Cl,MeshDepthMaterial:El,MeshDistanceMaterial:Bl,MeshBasicMaterial:Zr,MeshMatcapMaterial:Il,LineDashedMaterial:Pl,LineBasicMaterial:wa,Material:Jr}[t]}}class Fu{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let s=0,i=t.length;s0){const s=new eu(e);r=new lu(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e0){i=new lu(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Bi;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const s=new Yi;return s.radius=t.sphereRadius,s.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:s}})),n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._geometryCount=t.geometryCount,n._matricesTexture=u(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=u(t.colorsTexture.uuid));break;case"LOD":n=new Ao;break;case"Line":n=new Ba(h(t.geometry),l(t.material));break;case"LineLoop":n=new Oa(h(t.geometry),l(t.material));break;case"LineSegments":n=new Ua(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new Ga(h(t.geometry),l(t.material));break;case"Sprite":n=new _o(l(t.material));break;case"Group":n=new ja;break;case"Bone":n=new zo;break;default:n=new Br}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const o=t.children;for(let t=0;t{e&&e(s),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(n),r.manager.itemEnd(t)}),0),n);const o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",o.headers=this.requestHeader;const a=fetch(t,o).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(s){return tu.add(t,s),e&&e(s),r.manager.itemEnd(t),s})).catch((function(e){i&&i(e),tu.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));tu.add(t,a),r.manager.itemStart(t)}}let Gu;class Wu{static getContext(){return void 0===Gu&&(Gu=new(window.AudioContext||window.webkitAudioContext)),Gu}static setContext(t){Gu=t}}class ju extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);function o(e){i?i(e):console.error(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(t){try{const s=t.slice(0);Wu.getContext().decodeAudioData(s,(function(t){e(t)})).catch(o)}catch(t){o(t)}}),s,i)}}const Hu=new rr,qu=new rr,$u=new rr;class Xu{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Jn,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Jn,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,$u.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(Gs*e.fov*.5)/e.zoom;let n,o;qu.elements[12]=-s,Hu.elements[12]=s,n=-r*e.aspect+i,o=r*e.aspect+i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraL.projectionMatrix.copy($u),n=-r*e.aspect-i,o=r*e.aspect-i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraR.projectionMatrix.copy($u)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(qu),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Hu)}}class Yu extends Jn{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Ju{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Zu(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Zu();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Zu(){return("undefined"==typeof performance?Date:performance).now()}const Qu=new Ri,Ku=new Ni,tc=new Ri,ec=new Ri;class sc extends Br{constructor(){super(),this.type="AudioListener",this.context=Wu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Ju}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,s=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Qu,Ku,tc),ec.set(0,0,-1).applyQuaternion(Ku),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Qu.x,t),e.positionY.linearRampToValueAtTime(Qu.y,t),e.positionZ.linearRampToValueAtTime(Qu.z,t),e.forwardX.linearRampToValueAtTime(ec.x,t),e.forwardY.linearRampToValueAtTime(ec.y,t),e.forwardZ.linearRampToValueAtTime(ec.z,t),e.upX.linearRampToValueAtTime(s.x,t),e.upY.linearRampToValueAtTime(s.y,t),e.upZ.linearRampToValueAtTime(s.z,t)}else e.setPosition(Qu.x,Qu.y,Qu.z),e.setOrientation(ec.x,ec.y,ec.z,s.x,s.y,s.z)}}class ic extends Br{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){o.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Ni.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Ni.multiplyQuaternionsFlat(t,n,t,e,t,s),Ni.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let o=0;o!==r;++o){const r=e+o;t[r]=t[r]*n+t[s+o]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const cc="\\[\\]\\.:\\/",dc=new RegExp("["+cc+"]","g"),pc="[^"+cc+"]",mc="[^"+cc.replace("\\.","")+"]",gc=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",pc)+/(WCOD+)?/.source.replace("WCOD",mc)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",pc)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",pc)+"$"),fc=["material","materials","bones","map"];class yc{constructor(t,e,s){this.path=e,this.parsedPath=s||yc.parseTrackName(e),this.node=yc.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new yc.Composite(t,e,s):new yc(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(dc,"")}static parseTrackName(t){const e=gc.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==fc.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[a]=n,t[n]=o;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let o=0,a=arguments.length;o!==a;++o){const a=arguments[o].uuid,h=e[a];if(void 0!==h)if(delete e[a],h0&&(e[o.uuid]=h),t[h]=o,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,o=this._parsedPaths,a=this._objects,h=a.length,l=this.nCachedObjects_,u=new Array(h);i=r.length,s[t]=i,n.push(t),o.push(e),r.push(u);for(let s=l,i=a.length;s!==i;++s){const i=a[s];u[s]=new yc(i,t,e)}return u}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,o=n.length-1,a=n[o];e[t[o]]=s,n[s]=a,n.pop(),r[s]=r[o],r.pop(),i[s]=i[o],i.pop()}}}class bc{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,o=new Array(n),a={endingStart:Ue,endingEnd:Ue};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);o[t]=e,e.settings=a}this._interpolantSettings=a,this._interpolants=o,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s){if(t.fadeOut(e),this.fadeIn(e),s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let o=this._timeScaleInterpolant;null===o&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);const a=o.parameterPositions,h=o.sampleValues;return a[0]=r,a[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),o=this._updateWeight(t);if(o>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Ve)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(o);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,o)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r?i:n&&1==(1&r)?e-i:i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const o=this.repetitions-r;if(o<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===o){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this.time=i;if(n&&1==(1&r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:Ue:ze,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:Ue:ze)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const o=n.parameterPositions,a=n.sampleValues;return o[0]=r,a[0]=e,o[1]=r+t,a[1]=s,this}}const vc=new Float32Array(1);class Tc extends Vs{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,o=t._interpolants,a=s.uuid,h=this._bindingsByRootAndName;let l=h[a];void 0===l&&(l={},h[a]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let u=l[h];if(void 0!==u)++u.referenceCount,n[t]=u;else{if(u=n[t],void 0!==u){null===u._cacheIndex&&(++u.referenceCount,this._addInactiveBinding(u,a,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;u=new uc(yc.create(s,h,i),r.ValueTypeName,r.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,a,h),n[t]=u}o[t].resultBuffer=u.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let o=0;o!==s;++o){e[o]._update(i,t,r,n)}const o=this._bindings,a=this._nActiveBindings;for(let t=0;t!==a;++t)o[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pc).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Uc=new Ri,Oc=new Ri;class zc{constructor(t=new Ri,e=new Ri){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Uc.subVectors(t,this.start),Oc.subVectors(this.end,this.start);const s=Oc.dot(Oc);let i=Oc.dot(Uc)/s;return e&&(i=Hs(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Lc=new Ri;class Vc extends Br{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new wn,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t1)for(let s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{ud.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(ud,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class md extends Ua{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new wn;s.setAttribute("position",new gn(e,3)),s.setAttribute("color",new gn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new wa({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new $r,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class gd{constructor(){this.type="ShapePath",this.color=new $r,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new bh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const s=e.length;let i=!1;for(let r=s-1,n=0;nNumber.EPSILON){if(h<0&&(s=e[n],a=-a,o=e[r],h=-h),t.yo.y)continue;if(t.y===s.y){if(t.x===s.x)return!0}else{const e=h*(t.x-s.x)-a*(t.y-s.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==s.y)continue;if(o.x<=t.x&&t.x<=s.x||s.x<=t.x&&t.x<=o.x)return!0}}return i}const s=rl.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,n,o;const a=[];if(1===i.length)return n=i[0],o=new Ih,o.curves=n.curves,a.push(o),a;let h=!s(i[0].getPoints());h=t?!h:h;const l=[],u=[];let c,d,p=[],m=0;u[m]=void 0,p[m]=[];for(let e=0,o=i.length;e1){let t=!1,s=0;for(let t=0,e=u.length;t0&&!1===t&&(p=l)}for(let t=0,e=u.length;t{this.requestId=self.requestAnimationFrame(t),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this.animationLoop&&this.animationLoop(e,s)};t()}dispose(){self.cancelAnimationFrame(this.requestId),this.requestId=null}setAnimationLoop(t){this.animationLoop=t}}class vd{constructor(){this.weakMap=new WeakMap}get(t){let e=this.weakMap;for(let s=0;s{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(t){const e=this.material;let s=this.clippingContext;Array.isArray(e.clippingPlanes)?(s!==t&&s||(s=new wd,this.clippingContext=s),s.update(t,e)):this.clippingContext!==t&&(this.clippingContext=t)}get clippingNeedsUpdate(){return this.clippingContext.version!==this.clippingContextVersion&&(this.clippingContextVersion=this.clippingContext.version,!0)}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getIndex(){return this._geometries.getIndex(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}getAttributes(){if(null!==this.attributes)return this.attributes;const t=this.getNodeBuilderState().nodeAttributes,e=this.geometry,s=[],i=new Set;for(const r of t){const t=r.node&&r.node.attribute?r.node.attribute:e.getAttribute(r.name);if(void 0===t)continue;s.push(t);const n=t.isInterleavedBufferAttribute?t.data:t;i.add(n)}return this.attributes=s,this.vertexBuffers=Array.from(i.values()),s}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getMaterialCacheKey(){const{object:t,material:e}=this;let s=e.customProgramCacheKey();for(const t of function(t){const e=Object.keys(t);let s=Object.getPrototypeOf(t);for(;s;){const t=Object.getOwnPropertyDescriptors(s);for(const s in t)if(void 0!==t[s]){const i=t[s];i&&"function"==typeof i.get&&e.push(s)}s=Object.getPrototypeOf(s)}return e}(e)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(t))continue;let i=e[t];if(null!==i){const t=typeof i;"number"===t?i=0!==i?"1":"0":"object"===t&&(i="{}")}s+=i+","}return s+=this.clippingContextVersion+",",t.skeleton&&(s+=t.skeleton.bones.length+","),t.morphTargetInfluences&&(s+=t.morphTargetInfluences.length+","),t.isBatchedMesh&&(s+=t._matricesTexture.uuid+",",null!==t._colorsTexture&&(s+=t._colorsTexture.uuid+",")),t.count>1&&(s+=t.count+","),s}get needsUpdate(){return this.initialNodesCacheKey!==this.getNodesCacheKey()||this.clippingNeedsUpdate}getNodesCacheKey(){return this._nodes.getCacheKey(this.scene,this.lightsNode)}getCacheKey(){return this.getMaterialCacheKey()+","+this.getNodesCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}class Ad{constructor(t,e,s,i,r,n){this.renderer=t,this.nodes=e,this.geometries=s,this.pipelines=i,this.bindings=r,this.info=n,this.chainMaps={}}get(t,e,s,i,r,n,o){const a=this.getChainMap(o),h=[t,e,n,r];let l=a.get(h);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,t,e,s,i,r,n,o),a.set(h,l)):(l.updateClipping(n.clippingContext),(l.version!==e.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(t,e,s,i,r,n,o)):l.version=e.version)),l}getChainMap(t="default"){return this.chainMaps[t]||(this.chainMaps[t]=new vd)}dispose(){this.chainMaps={}}createRenderObject(t,e,s,i,r,n,o,a,h,l){const u=this.getChainMap(l),c=new Md(t,e,s,i,r,n,o,a,h);return c.onDispose=()=>{this.pipelines.delete(c),this.bindings.delete(c),this.nodes.delete(c),u.delete(c.getChainArray())},c}}class Nd{constructor(){this.data=new WeakMap}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}delete(t){let e;return this.data.has(t)&&(e=this.data.get(t),this.data.delete(t)),e}has(t){return this.data.has(t)}dispose(){this.data=new WeakMap}}const Rd=1,Cd=2,Ed=4,Bd=16;class Id extends Nd{constructor(t){super(),this.backend=t}delete(t){const e=super.delete(t);return void 0!==e&&this.backend.destroyAttribute(t),e}update(t,e){const s=this.get(t);if(void 0===s.version)e===Rd?this.backend.createAttribute(t):e===Cd?this.backend.createIndexAttribute(t):e===Ed&&this.backend.createStorageAttribute(t),s.version=this._getBufferAttribute(t).version;else{const e=this._getBufferAttribute(t);(s.version=0;--e)if(t[e]>=65535)return!0;return!1}(e)?pn:cn)(e,1);return r.version=Pd(t),r}class Ud extends Nd{constructor(t,e){super(),this.attributes=t,this.info=e,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(t){const e=t.geometry;return super.has(e)&&!0===this.get(e).initialized}updateForRender(t){!1===this.has(t)&&this.initGeometry(t),this.updateAttributes(t)}initGeometry(t){const e=t.geometry;this.get(e).initialized=!0,this.info.memory.geometries++;const s=()=>{this.info.memory.geometries--;const i=e.index,r=t.getAttributes();null!==i&&this.attributes.delete(i);for(const t of r)this.attributes.delete(t);const n=this.wireframes.get(e);void 0!==n&&this.attributes.delete(n),e.removeEventListener("dispose",s)};e.addEventListener("dispose",s)}updateAttributes(t){const e=t.getAttributes();for(const t of e)t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute?this.updateAttribute(t,Ed):this.updateAttribute(t,Rd);const s=this.getIndex(t);null!==s&&this.updateAttribute(s,Cd)}updateAttribute(t,e){const s=this.info.render.calls;t.isInterleavedBufferAttribute?void 0===this.attributeCall.get(t)?(this.attributes.update(t,e),this.attributeCall.set(t,s)):this.attributeCall.get(t.data)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t.data,s),this.attributeCall.set(t,s)):this.attributeCall.get(t)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t,s))}getIndex(t){const{geometry:e,material:s}=t;let i=e.index;if(!0===s.wireframe){const t=this.wireframes;let s=t.get(e);void 0===s?(s=Fd(e),t.set(e,s)):s.version!==Pd(e)&&(this.attributes.delete(s),s=Fd(e),t.set(e,s)),i=s}return i}}class Od{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.compute={calls:0,frameCalls:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.memory={geometries:0,textures:0}}update(t,e,s){this.render.drawCalls++,t.isMesh||t.isSprite?this.render.triangles+=s*(e/3):t.isPoints?this.render.points+=s*e:t.isLineSegments?this.render.lines+=s*(e/2):t.isLine?this.render.lines+=s*(e-1):console.error("THREE.WebGPUInfo: Unknown object type.")}updateTimestamp(t,e){0===this[t].timestampCalls&&(this[t].timestamp=0),this[t].timestamp+=e,this[t].timestampCalls++,this[t].timestampCalls>=this[t].previousFrameCalls&&(this[t].timestampCalls=0)}reset(){const t=this.render.frameCalls;this.render.previousFrameCalls=t;const e=this.compute.frameCalls;this.compute.previousFrameCalls=e,this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class zd{constructor(t){this.cacheKey=t,this.usedTimes=0}}class Ld extends zd{constructor(t,e,s){super(t),this.vertexProgram=e,this.fragmentProgram=s}}class Vd extends zd{constructor(t,e){super(t),this.computeProgram=e,this.isComputePipeline=!0}}let Dd=0;class kd{constructor(t,e,s=null,i=null){this.id=Dd++,this.code=t,this.stage=e,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Gd extends Nd{constructor(t,e){super(),this.backend=t,this.nodes=e,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(t,e){const{backend:s}=this,i=this.get(t);if(this._needsComputeUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.computeProgram.usedTimes--);const n=this.nodes.getForCompute(t);let o=this.programs.compute.get(n.computeShader);void 0===o&&(r&&0===r.computeProgram.usedTimes&&this._releaseProgram(r.computeProgram),o=new kd(n.computeShader,"compute",n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),s.createProgram(o));const a=this._getComputeCacheKey(t,o);let h=this.caches.get(a);void 0===h&&(r&&0===r.usedTimes&&this._releasePipeline(r),h=this._getComputePipeline(t,o,a,e)),h.usedTimes++,o.usedTimes++,i.version=t.version,i.pipeline=h}return i.pipeline}getForRender(t,e=null){const{backend:s}=this,i=this.get(t);if(this._needsRenderUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.vertexProgram.usedTimes--,r.fragmentProgram.usedTimes--);const n=t.getNodeBuilderState();let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(r&&0===r.vertexProgram.usedTimes&&this._releaseProgram(r.vertexProgram),o=new kd(n.vertexShader,"vertex"),this.programs.vertex.set(n.vertexShader,o),s.createProgram(o));let a=this.programs.fragment.get(n.fragmentShader);void 0===a&&(r&&0===r.fragmentProgram.usedTimes&&this._releaseProgram(r.fragmentProgram),a=new kd(n.fragmentShader,"fragment"),this.programs.fragment.set(n.fragmentShader,a),s.createProgram(a));const h=this._getRenderCacheKey(t,o,a);let l=this.caches.get(h);void 0===l?(r&&0===r.usedTimes&&this._releasePipeline(r),l=this._getRenderPipeline(t,o,a,h,e)):t.pipeline=l,l.usedTimes++,o.usedTimes++,a.usedTimes++,i.pipeline=l}return i.pipeline}delete(t){const e=this.get(t).pipeline;return e&&(e.usedTimes--,0===e.usedTimes&&this._releasePipeline(e),e.isComputePipeline?(e.computeProgram.usedTimes--,0===e.computeProgram.usedTimes&&this._releaseProgram(e.computeProgram)):(e.fragmentProgram.usedTimes--,e.vertexProgram.usedTimes--,0===e.vertexProgram.usedTimes&&this._releaseProgram(e.vertexProgram),0===e.fragmentProgram.usedTimes&&this._releaseProgram(e.fragmentProgram))),super.delete(t)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(t){this.getForRender(t)}_getComputePipeline(t,e,s,i){s=s||this._getComputeCacheKey(t,e);let r=this.caches.get(s);return void 0===r&&(r=new Vd(s,e),this.caches.set(s,r),this.backend.createComputePipeline(r,i)),r}_getRenderPipeline(t,e,s,i,r){i=i||this._getRenderCacheKey(t,e,s);let n=this.caches.get(i);return void 0===n&&(n=new Ld(i,e,s),this.caches.set(i,n),t.pipeline=n,this.backend.createRenderPipeline(t,r)),n}_getComputeCacheKey(t,e){return t.id+","+e.id}_getRenderCacheKey(t,e,s){return e.id+","+s.id+","+this.backend.getRenderCacheKey(t)}_releasePipeline(t){this.caches.delete(t.cacheKey)}_releaseProgram(t){const e=t.code,s=t.stage;this.programs[s].delete(e)}_needsComputeUpdate(t){const e=this.get(t);return void 0===e.pipeline||e.version!==t.version}_needsRenderUpdate(t){return void 0===this.get(t).pipeline||this.backend.needsRenderUpdate(t)}}class Wd extends Nd{constructor(t,e,s,i,r,n){super(),this.backend=t,this.textures=s,this.pipelines=r,this.attributes=i,this.nodes=e,this.info=n,this.pipelines.bindings=this}getForRender(t){const e=t.getBindings();for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}getForCompute(t){const e=this.nodes.getForCompute(t).bindings;for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}updateForCompute(t){this._updateBindings(t,this.getForCompute(t))}updateForRender(t){this._updateBindings(t,this.getForRender(t))}_updateBindings(t,e){for(const s of e)this._update(t,s,e)}_init(t){for(const e of t.bindings)if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isStorageBuffer){const t=e.attribute;this.attributes.update(t,Ed)}}_update(t,e,s){const{backend:i}=this;let r=!1;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&i.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=t.texture;t.needsBindingsUpdate&&(r=!0);const s=t.update();s&&this.textures.updateTexture(t.texture);const n=i.get(t.texture);if(!0===i.isWebGPUBackend&&void 0===n.texture&&void 0===n.externalTexture&&(console.error("Bindings._update: binding should be available:",t,s,t.texture,t.textureNode.value),this.textures.updateTexture(t.texture),r=!0),!0===e.isStorageTexture){const s=this.get(e);!0===t.store?s.needsMipmap=!0:!0===e.generateMipmaps&&this.textures.needsMipmaps(e)&&!0===s.needsMipmap&&(this.backend.generateMipmaps(e),s.needsMipmap=!1)}}}if(!0===r){const i=this.pipelines.getForRender(t);this.backend.updateBindings(e,s,i)}}}const jd={VERTEX:"vertex",FRAGMENT:"fragment"},Hd={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},qd={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},$d=["fragment","vertex"],Xd=["setup","analyze","generate"],Yd=[...$d,"compute"],Jd=["x","y","z","w"];function Zd(t,e=!1){let s="{";!0===t.isNode&&(s+=t.id);for(const{property:i,childNode:r}of Qd(t))s+=","+i.slice(0,-4)+":"+r.getCacheKey(e);return s+="}",s}function*Qd(t,e=!1){for(const s in t){if(!0===s.startsWith("_"))continue;const i=t[s];if(!0===Array.isArray(i))for(let t=0;tt.charCodeAt(0))).buffer}var ip=Object.freeze({__proto__:null,arrayBufferToBase64:ep,base64ToArrayBuffer:sp,getCacheKey:Zd,getNodeChildren:Qd,getValueFromType:tp,getValueType:Kd});const rp=new Map;let np=0;class op extends Vs{constructor(t=null){super(),this.nodeType=t,this.updateType=Hd.NONE,this.updateBeforeType=Hd.NONE,this.updateAfterType=Hd.NONE,this.uuid=Js.generateUUID(),this.version=0,this._cacheKey=null,this._cacheKeyVersion=0,this.global=!1,this.isNode=!0,Object.defineProperty(this,"id",{value:np++})}set needsUpdate(t){!0===t&&this.version++}get type(){return this.constructor.type}onUpdate(t,e){return this.updateType=e,this.update=t.bind(this.getSelf()),this}onFrameUpdate(t){return this.onUpdate(t,Hd.FRAME)}onRenderUpdate(t){return this.onUpdate(t,Hd.RENDER)}onObjectUpdate(t){return this.onUpdate(t,Hd.OBJECT)}onReference(t){return this.updateReference=t.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:t}of Qd(this))yield t}dispose(){this.dispatchEvent({type:"dispose"})}traverse(t){t(this);for(const e of this.getChildren())e.traverse(t)}getCacheKey(t=!1){return!0!==(t=t||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=Zd(this,t),this._cacheKeyVersion=this.version),this._cacheKey}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(t){const e=this.getNodeType(t);return t.getElementType(e)}getNodeType(t){const e=t.getNodeProperties(this);return e.outputNode?e.outputNode.getNodeType(t):this.nodeType}getShared(t){const e=this.getHash(t);return t.getNodeFromHash(e)||this}setup(t){const e=t.getNodeProperties(this);let s=0;for(const t of this.getChildren())e["node"+s++]=t;return null}construct(t){return console.warn("THREE.Node: construct() is deprecated. Use setup() instead."),this.setup(t)}increaseUsage(t){const e=t.getDataFromNode(this);return e.usageCount=void 0===e.usageCount?1:e.usageCount+1,e.usageCount}analyze(t){if(1===this.increaseUsage(t)){const e=t.getNodeProperties(this);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);if(s&&!0===s.isNode)return s.build(t,e)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(t,e=null){const s=this.getShared(t);if(this!==s)return s.build(t,e);t.addNode(this),t.addChain(this);let i=null;const r=t.getBuildStage();if("setup"===r){this.updateReference(t);const e=t.getNodeProperties(this);if(!0!==e.initialized){const s=t.stack.nodes.length;e.initialized=!0,e.outputNode=this.setup(t),null!==e.outputNode&&t.stack.nodes.length!==s&&(e.outputNode=t.stack);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}else if("analyze"===r)this.analyze(t);else if("generate"===r){if(1===this.generate.length){const s=this.getNodeType(t),r=t.getDataFromNode(this);i=r.snippet,void 0===i&&(i=this.generate(t)||"",r.snippet=i),i=t.format(i,s,e)}else i=this.generate(t,e)||""}return t.removeChain(this),i}getSerializeChildren(){return Qd(this)}serialize(t){const e=this.getSerializeChildren(),s={};for(const{property:i,index:r,childNode:n}of e)void 0!==r?(void 0===s[i]&&(s[i]=Number.isInteger(r)?[]:{}),s[i][r]=n.toJSON(t.meta).uuid):s[i]=n.toJSON(t.meta).uuid;Object.keys(s).length>0&&(t.inputNodes=s)}deserialize(t){if(void 0!==t.inputNodes){const e=t.meta.nodes;for(const s in t.inputNodes)if(Array.isArray(t.inputNodes[s])){const i=[];for(const r of t.inputNodes[s])i.push(e[r]);this[s]=i}else if("object"==typeof t.inputNodes[s]){const i={};for(const r in t.inputNodes[s]){const n=t.inputNodes[s][r];i[r]=e[n]}this[s]=i}else{const i=t.inputNodes[s];this[s]=e[i]}}}toJSON(t){const{uuid:e,type:s}=this,i=void 0===t||"string"==typeof t;i&&(t={textures:{},images:{},nodes:{}});let r=t.nodes[e];function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(void 0===r&&(r={uuid:e,type:s,meta:t,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==i&&(t.nodes[r.uuid]=r),this.serialize(r),delete r.meta),i){const e=n(t.textures),s=n(t.images),i=n(t.nodes);e.length>0&&(r.textures=e),s.length>0&&(r.images=s),i.length>0&&(r.nodes=i)}return r}}function ap(t,e){if("function"!=typeof e||!t)throw new Error(`Node class ${t} is not a class`);rp.has(t)?console.warn(`Redefinition of node class ${t}`):(rp.set(t,e),e.type=t)}function hp(t){const e=rp.get(t);if(void 0!==e)return new e}class lp extends op{constructor(t){super(t),this.isTempNode=!0}hasDependencies(t){return t.getDataFromNode(this).usageCount>1}build(t,e){if("generate"===t.getBuildStage()){const s=t.getVectorType(this.getNodeType(t,e)),i=t.getDataFromNode(this);if(void 0!==i.propertyName)return t.format(i.propertyName,s,e);if("void"!==s&&"void"!==e&&this.hasDependencies(t)){const r=super.build(t,s),n=t.getVarFromNode(this,null,s),o=t.getPropertyName(n);return t.addLineFlowCode(`${o} = ${r}`),i.snippet=r,i.propertyName=o,t.format(i.propertyName,s,e)}}return super.build(t,e)}}ap("TempNode",lp);class up extends op{constructor(t,e){super(),this.node=t,this.indexNode=e,this.isArrayElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){return`${this.node.build(t)}[ ${this.indexNode.build(t,"uint")} ]`}}ap("ArrayElementNode",up);class cp extends op{constructor(t,e){super(),this.node=t,this.convertTo=e}getNodeType(t){const e=this.node.getNodeType(t);let s=null;for(const i of this.convertTo.split("|"))null!==s&&t.getTypeLength(e)!==t.getTypeLength(i)||(s=i);return s}serialize(t){super.serialize(t),t.convertTo=this.convertTo}deserialize(t){super.deserialize(t),this.convertTo=t.convertTo}generate(t,e){const s=this.node,i=this.getNodeType(t),r=s.build(t,i);return t.format(r,i,e)}}ap("ConvertNode",cp);class dp extends lp{constructor(t=[],e=null){super(e),this.nodes=t}getNodeType(t){return null!==this.nodeType?t.getVectorType(this.nodeType):t.getTypeFromLength(this.nodes.reduce(((e,s)=>e+t.getTypeLength(s.getNodeType(t))),0))}generate(t,e){const s=this.getNodeType(t),i=this.nodes,r=t.getComponentType(s),n=[];for(const e of i){let s=e.build(t);const i=t.getComponentType(e.getNodeType(t));i!==r&&(s=t.format(s,i,r)),n.push(s)}const o=`${t.getType(s)}( ${n.join(", ")} )`;return t.format(o,s,e)}}ap("JoinNode",dp);const pp=Jd.join("");class mp extends op{constructor(t,e="x"){super(),this.node=t,this.components=e,this.isSplitNode=!0}getVectorLength(){let t=this.components.length;for(const e of this.components)t=Math.max(Jd.indexOf(e)+1,t);return t}getComponentType(t){return t.getComponentType(this.node.getNodeType(t))}getNodeType(t){return t.getTypeFromLength(this.components.length,this.getComponentType(t))}generate(t,e){const s=this.node,i=t.getTypeLength(s.getNodeType(t));let r=null;if(i>1){let n=null;this.getVectorLength()>=i&&(n=t.getTypeFromLength(this.getVectorLength(),this.getComponentType(t)));const o=s.build(t,n);r=this.components.length===i&&this.components===pp.slice(0,this.components.length)?t.format(o,n,e):t.format(`${o}.${this.components}`,this.getNodeType(t),e)}else r=s.build(t,e);return r}serialize(t){super.serialize(t),t.components=this.components}deserialize(t){super.deserialize(t),this.components=t.components}}ap("SplitNode",mp);class gp extends lp{constructor(t,e,s){super(),this.sourceNode=t,this.components=e,this.targetNode=s}getNodeType(t){return this.sourceNode.getNodeType(t)}generate(t){const{sourceNode:e,components:s,targetNode:i}=this,r=this.getNodeType(t),n=t.getTypeFromLength(s.length),o=i.build(t,n),a=e.build(t,r),h=t.getTypeLength(r),l=[];for(let t=0;tt.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),_p={setup(t,e){const s=e.shift();return t($p(s),...e)},get(t,e,s){if("string"==typeof e&&void 0===t[e]){if(!0!==t.isStackNode&&"assign"===e)return(...t)=>(xp.assign(s,...t),s);if(bp.has(e)){const i=bp.get(e);return t.isStackNode?(...t)=>s.add(i(...t)):(...t)=>i(s,...t)}if("self"===e)return t;if(e.endsWith("Assign")&&bp.has(e.slice(0,e.length-6))){const i=bp.get(e.slice(0,e.length-6));return t.isStackNode?(...t)=>s.assign(t[0],i(...t)):(...t)=>s.assign(i(s,...t))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(e))return e=Tp(e),qp(new mp(s,e));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(e))return e=(e=Tp(e.slice(3).toLowerCase())).split("").sort().join(""),s=>qp(new gp(t,e,s));if("width"===e||"height"===e||"depth"===e)return"width"===e?e="x":"height"===e?e="y":"depth"===e&&(e="z"),qp(new mp(t,e));if(!0===/^\d+$/.test(e))return qp(new up(s,new yp(Number(e),"uint")))}return Reflect.get(t,e,s)},set:(t,e,s,i)=>"string"!=typeof e||void 0!==t[e]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(e)&&"width"!==e&&"height"!==e&&"depth"!==e&&!0!==/^\d+$/.test(e)?Reflect.set(t,e,s,i):(i[e].assign(s),!0)},wp=new WeakMap,Sp=new WeakMap,Mp=function(t,e=null){for(const s in t)t[s]=qp(t[s],e);return t},Ap=function(t,e=null){const s=t.length;for(let i=0;iqp(null!==i?Object.assign(t,i):t);return null===e?(...e)=>r(new t(...Xp(e))):null!==s?(s=qp(s),(...i)=>r(new t(e,...Xp(i),s))):(...s)=>r(new t(e,...Xp(s)))},Rp=function(t,...e){return qp(new t(...Xp(e)))};class Cp extends op{constructor(t,e){super(),this.shaderNode=t,this.inputNodes=e}getNodeType(t){const e=t.getNodeProperties(this);return null===e.outputNode&&(e.outputNode=this.setupOutput(t)),e.outputNode.getNodeType(t)}call(t){const{shaderNode:e,inputNodes:s}=this;if(e.layout){let i=Sp.get(t.constructor);void 0===i&&(i=new WeakMap,Sp.set(t.constructor,i));let r=i.get(e);return void 0===r&&(r=qp(t.buildFunctionNode(e)),i.set(e,r)),null!==t.currentFunctionNode&&t.currentFunctionNode.includes.push(r),qp(r.call(s))}const i=e.jsFunc,r=null!==s?i(s,t.stack,t):i(t.stack,t);return qp(r)}setup(t){const{outputNode:e}=t.getNodeProperties(this);return e||this.setupOutput(t)}setupOutput(t){return t.addStack(),t.stack.outputNode=this.call(t),t.removeStack()}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);return null===s?this.call(t).build(t,e):super.generate(t,e)}}class Ep extends op{constructor(t){super(),this.jsFunc=t,this.layout=null,this.global=!0}get isArrayInput(){return/^\((\s+)?\[/.test(this.jsFunc.toString())}setLayout(t){return this.layout=t,this}call(t=null){return $p(t),qp(new Cp(this,t))}setup(){return this.call()}}const Bp=[!1,!0],Ip=[0,1,2,3],Pp=[-1,-2],Fp=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Up=new Map;for(const t of Bp)Up.set(t,new yp(t));const Op=new Map;for(const t of Ip)Op.set(t,new yp(t,"uint"));const zp=new Map([...Op].map((t=>new yp(t.value,"int"))));for(const t of Pp)zp.set(t,new yp(t,"int"));const Lp=new Map([...zp].map((t=>new yp(t.value))));for(const t of Fp)Lp.set(t,new yp(t));for(const t of Fp)Lp.set(-t,new yp(-t));const Vp={bool:Up,uint:Op,ints:zp,float:Lp},Dp=new Map([...Up,...Lp]),kp=(t,e)=>Dp.has(t)?Dp.get(t):!0===t.isNode?t:new yp(t,e),Gp=function(t,e=null){return(...s)=>{if((0===s.length||!["bool","float","int","uint"].includes(t)&&s.every((t=>"object"!=typeof t)))&&(s=[tp(t,...s)]),1===s.length&&null!==e&&e.has(s[0]))return qp(e.get(s[0]));if(1===s.length){const e=kp(s[0],t);return(t=>{try{return t.getNodeType()}catch(t){return}})(e)===t?qp(e):qp(new cp(e,t))}const i=s.map((t=>kp(t)));return qp(new dp(i,t))}},Wp=t=>t&&t.value,jp=t=>null!=t?t.nodeType||t.convertTo||("string"==typeof t?t:null):null;function Hp(t){return new Proxy(new Ep(t),_p)}const qp=(t,e=null)=>function(t,e=null){const s=Kd(t);if("node"===s){let e=wp.get(t);return void 0===e&&(e=new Proxy(t,_p),wp.set(t,e),wp.set(e,e)),e}return null===e&&("float"===s||"boolean"===s)||s&&"shader"!==s&&"string"!==s?qp(kp(t,e)):"shader"===s?Zp(t):t}(t,e),$p=(t,e=null)=>new Mp(t,e),Xp=(t,e=null)=>new Ap(t,e),Yp=(...t)=>new Np(...t),Jp=(...t)=>new Rp(...t),Zp=t=>{const e=new Hp(t),s=(...t)=>{let s;return $p(t),s=t[0]&&t[0].isNode?[...t]:t[0],e.call(s)};return s.shaderNode=e,s.setLayout=t=>(e.setLayout(t),s),s};ap("ShaderNode",Hp),vp("toGlobal",(t=>(t.global=!0,t)));const Qp=t=>{xp=t},Kp=()=>xp,tm=(...t)=>xp.if(...t);function em(t){return xp&&xp.add(t),t}vp("append",em);const sm=new Gp("color"),im=new Gp("float",Vp.float),rm=new Gp("int",Vp.ints),nm=new Gp("uint",Vp.uint),om=new Gp("bool",Vp.bool),am=new Gp("vec2"),hm=new Gp("ivec2"),lm=new Gp("uvec2"),um=new Gp("bvec2"),cm=new Gp("vec3"),dm=new Gp("ivec3"),pm=new Gp("uvec3"),mm=new Gp("bvec3"),gm=new Gp("vec4"),fm=new Gp("ivec4"),ym=new Gp("uvec4"),xm=new Gp("bvec4"),bm=new Gp("mat2"),vm=new Gp("imat2"),Tm=new Gp("umat2"),_m=new Gp("bmat2"),wm=new Gp("mat3"),Sm=new Gp("imat3"),Mm=new Gp("umat3"),Am=new Gp("bmat3"),Nm=new Gp("mat4"),Rm=new Gp("imat4"),Cm=new Gp("umat4"),Em=new Gp("bmat4"),Bm=(t="")=>qp(new yp(t,"string")),Im=t=>qp(new yp(t,"ArrayBuffer"));vp("toColor",sm),vp("toFloat",im),vp("toInt",rm),vp("toUint",nm),vp("toBool",om),vp("toVec2",am),vp("toIvec2",hm),vp("toUvec2",lm),vp("toBvec2",um),vp("toVec3",cm),vp("toIvec3",dm),vp("toUvec3",pm),vp("toBvec3",mm),vp("toVec4",gm),vp("toIvec4",fm),vp("toUvec4",ym),vp("toBvec4",xm),vp("toMat2",bm),vp("toImat2",vm),vp("toUmat2",Tm),vp("toBmat2",_m),vp("toMat3",wm),vp("toImat3",Sm),vp("toUmat3",Mm),vp("toBmat3",Am),vp("toMat4",Nm),vp("toImat4",Rm),vp("toUmat4",Cm),vp("toBmat4",Em);const Pm=Yp(up),Fm=(t,e)=>qp(new cp(qp(t),e)),Um=(t,e)=>qp(new mp(qp(t),e));vp("element",Pm),vp("convert",Fm);class Om extends lp{constructor(t,e){super(),this.targetNode=t,this.sourceNode=e}hasDependencies(){return!1}getNodeType(t,e){return"void"!==e?this.targetNode.getNodeType(t):"void"}needsSplitAssign(t){const{targetNode:e}=this;if(!1===t.isAvailable("swizzleAssign")&&e.isSplitNode&&e.components.length>1){const s=t.getTypeLength(e.node.getNodeType(t));return Jd.join("").slice(0,s)!==e.components}return!1}generate(t,e){const{targetNode:s,sourceNode:i}=this,r=this.needsSplitAssign(t),n=s.getNodeType(t),o=s.context({assign:!0}).build(t),a=i.build(t,n),h=i.getNodeType(t),l=t.getDataFromNode(this);let u;if(!0===l.initialized)"void"!==e&&(u=o);else if(r){const i=t.getVarFromNode(this,null,n),r=t.getPropertyName(i);t.addLineFlowCode(`${r} = ${a}`);const h=s.node.context({assign:!0}).build(t);for(let e=0;eqp(new Dm(t,e,qp(s)));ap("AttributeNode",Dm);class Gm extends op{constructor(t,e){super(),this.isBypassNode=!0,this.outputNode=t,this.callNode=e}getNodeType(t){return this.outputNode.getNodeType(t)}generate(t){const e=this.callNode.build(t,"void");return""!==e&&t.addLineFlowCode(e),this.outputNode.build(t)}}const Wm=Yp(Gm);vp("bypass",Wm),ap("BypassNode",Gm);class jm extends op{constructor(t,e=!0){super(),this.node=t,this.parent=e,this.isCacheNode=!0}getNodeType(t){return this.node.getNodeType(t)}build(t,...e){const s=t.getCache(),i=t.getCacheFromNode(this,parent);t.setCache(i);const r=this.node.build(t,...e);return t.setCache(s),r}}const Hm=(t,...e)=>qp(new jm(qp(t),...e));vp("cache",Hm),ap("CacheNode",jm);class qm extends op{constructor(t,e={}){super(),this.isContextNode=!0,this.node=t,this.context=e}getNodeType(t){return this.node.getNodeType(t)}analyze(t){this.node.build(t)}setup(t){const e=t.getContext();t.setContext({...t.context,...this.context});const s=this.node.build(t);return t.setContext(e),s}generate(t,e){const s=t.getContext();t.setContext({...t.context,...this.context});const i=this.node.build(t,e);return t.setContext(s),i}}const $m=Yp(qm),Xm=(t,e)=>$m(t,{label:e});vp("context",$m),vp("label",Xm),ap("ContextNode",qm);class Ym extends op{constructor(t){super("uint"),this.scope=t,this.isInstanceIndexNode=!0}generate(t){const e=this.getNodeType(t),s=this.scope;let i,r;if(s===Ym.VERTEX)i=t.getVertexIndex();else if(s===Ym.INSTANCE)i=t.getInstanceIndex();else{if(s!==Ym.DRAW)throw new Error("THREE.IndexNode: Unknown scope: "+s);i=t.getDrawIndex()}if("vertex"===t.shaderStage||"compute"===t.shaderStage)r=i;else{r=Vm(this).build(t,e)}return r}}Ym.VERTEX="vertex",Ym.INSTANCE="instance",Ym.DRAW="draw";const Jm=Jp(Ym,Ym.VERTEX),Zm=Jp(Ym,Ym.INSTANCE),Qm=Jp(Ym,Ym.DRAW);ap("IndexNode",Ym);class Km{start(){}finish(){}direct(){}directRectArea(){}indirectDiffuse(){}indirectSpecular(){}ambientOcclusion(){}}class tg extends op{constructor(t,e=null){super(),this.node=t,this.name=e,this.global=!0,this.isVarNode=!0}getHash(t){return this.name||super.getHash(t)}getNodeType(t){return this.node.getNodeType(t)}generate(t){const{node:e,name:s}=this,i=t.getVarFromNode(this,s,t.getVectorType(this.getNodeType(t))),r=t.getPropertyName(i),n=e.build(t,i.type);return t.addLineFlowCode(`${r} = ${n}`),r}}const eg=Yp(tg);vp("temp",eg),vp("toVar",((...t)=>eg(...t).append())),ap("VarNode",tg);class sg{constructor(t,e,s=null){this.isNodeAttribute=!0,this.name=t,this.type=e,this.node=s}}class ig{constructor(t,e,s){this.isNodeUniform=!0,this.name=t,this.type=e,this.node=s.getSelf()}get value(){return this.node.value}set value(t){this.node.value=t}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class rg{constructor(t,e){this.isNodeVar=!0,this.name=t,this.type=e}}class ng extends rg{constructor(t,e){super(t,e),this.needsInterpolation=!1,this.isNodeVarying=!0}}class og{constructor(t,e,s=""){this.name=t,this.type=e,this.code=s,Object.defineProperty(this,"isNodeCode",{value:!0})}}class ag{constructor(){this.keywords=[],this.nodes={},this.keywordsCallback={}}getNode(t){let e=this.nodes[t];return void 0===e&&void 0!==this.keywordsCallback[t]&&(e=this.keywordsCallback[t](t),this.nodes[t]=e),e}addKeyword(t,e){return this.keywords.push(t),this.keywordsCallback[t]=e,this}parse(t){const e=this.keywords,s=new RegExp(`\\b${e.join("\\b|\\b")}\\b`,"g"),i=t.match(s),r=[];if(null!==i)for(const t of i){const e=this.getNode(t);void 0!==e&&-1===r.indexOf(e)&&r.push(e)}return r}include(t,e){const s=this.parse(e);for(const e of s)e.build(t)}}let hg=0;class lg{constructor(t=null){this.id=hg++,this.nodesData=new WeakMap,this.parent=t}getData(t){let e=this.nodesData.get(t);return void 0===e&&null!==this.parent&&(e=this.parent.getData(t)),e}setData(t,e){this.nodesData.set(t,e)}}class ug extends op{constructor(t,e=null,s=!1){super(t),this.name=e,this.varying=s,this.isPropertyNode=!0}getHash(t){return this.name||super.getHash(t)}isGlobal(){return!0}generate(t){let e;return!0===this.varying?(e=t.getVaryingFromNode(this,this.name),e.needsInterpolation=!0):e=t.getVarFromNode(this,this.name),t.getPropertyName(e)}}const cg=(t,e)=>qp(new ug(t,e)),dg=(t,e)=>qp(new ug(t,e,!0)),pg=Jp(ug,"vec4","DiffuseColor"),mg=Jp(ug,"float","Roughness"),gg=Jp(ug,"float","Metalness"),fg=Jp(ug,"float","Clearcoat"),yg=Jp(ug,"float","ClearcoatRoughness"),xg=Jp(ug,"vec3","Sheen"),bg=Jp(ug,"float","SheenRoughness"),vg=Jp(ug,"float","Iridescence"),Tg=Jp(ug,"float","IridescenceIOR"),_g=Jp(ug,"float","IridescenceThickness"),wg=Jp(ug,"float","AlphaT"),Sg=Jp(ug,"float","Anisotropy"),Mg=Jp(ug,"vec3","AnisotropyT"),Ag=Jp(ug,"vec3","AnisotropyB"),Ng=Jp(ug,"color","SpecularColor"),Rg=Jp(ug,"float","SpecularF90"),Cg=Jp(ug,"float","Shininess"),Eg=Jp(ug,"vec4","Output"),Bg=Jp(ug,"float","dashSize"),Ig=Jp(ug,"float","gapSize"),Pg=Jp(ug,"float","pointWidth"),Fg=Jp(ug,"float","IOR"),Ug=Jp(ug,"float","Transmission"),Og=Jp(ug,"float","Thickness"),zg=Jp(ug,"float","AttenuationDistance"),Lg=Jp(ug,"color","AttenuationColor"),Vg=Jp(ug,"float","Dispersion");ap("PropertyNode",ug);class Dg extends ug{constructor(t,e=null){super(t,e),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}const kg=(t,e)=>qp(new Dg(t,e));ap("ParameterNode",Dg);class Gg extends op{constructor(t="",e=[],s=""){super("code"),this.isCodeNode=!0,this.code=t,this.language=s,this.includes=e}isGlobal(){return!0}setIncludes(t){return this.includes=t,this}getIncludes(){return this.includes}generate(t){const e=this.getIncludes(t);for(const s of e)s.build(t);const s=t.getCodeFromNode(this,this.getNodeType(t));return s.code=this.code,s.code}serialize(t){super.serialize(t),t.code=this.code,t.language=this.language}deserialize(t){super.deserialize(t),this.code=t.code,this.language=t.language}}const Wg=Yp(Gg),jg=(t,e)=>Wg(t,e,"js"),Hg=(t,e)=>Wg(t,e,"wgsl"),qg=(t,e)=>Wg(t,e,"glsl");ap("CodeNode",Gg);class $g extends Gg{constructor(t="",e=[],s=""){super(t,e,s),this.keywords={}}getNodeType(t){return this.getNodeFunction(t).type}getInputs(t){return this.getNodeFunction(t).inputs}getNodeFunction(t){const e=t.getDataFromNode(this);let s=e.nodeFunction;return void 0===s&&(s=t.parser.parseFunction(this.code),e.nodeFunction=s),s}generate(t,e){super.generate(t);const s=this.getNodeFunction(t),i=s.name,r=s.type,n=t.getCodeFromNode(this,r);""!==i&&(n.name=i);const o=t.getPropertyName(n);let a=this.getNodeFunction(t).getCode(o);const h=this.keywords,l=Object.keys(h);if(l.length>0)for(const e of l){const s=new RegExp(`\\b${e}\\b`,"g"),i=h[e].build(t,"property");a=a.replace(s,i)}return n.code=a+"\n","property"===e?o:t.format(`${o}()`,r,e)}}const Xg=(t,e=[],s="")=>{for(let t=0;ti.call(...t);return r.functionNode=i,r},Yg=(t,e)=>Xg(t,e,"glsl"),Jg=(t,e)=>Xg(t,e,"wgsl");ap("FunctionNode",$g);class Zg extends op{constructor(t,e=!1){super("string"),this.name=t,this.version=0,this.shared=e,this.isUniformGroup=!0}set needsUpdate(t){!0===t&&this.version++}}const Qg=t=>new Zg(t),Kg=t=>new Zg(t,!0),tf=Kg("frame"),ef=Kg("render"),sf=Qg("object");ap("UniformGroupNode",Zg);class rf extends fp{constructor(t,e=null){super(t,e),this.isUniformNode=!0,this.name="",this.groupNode=sf}label(t){return this.name=t,this}setGroup(t){return this.groupNode=t,this}getGroup(){return this.groupNode}getUniformHash(t){return this.getHash(t)}onUpdate(t,e){const s=this.getSelf();return t=t.bind(s),super.onUpdate((e=>{const i=t(e,s);void 0!==i&&(this.value=i)}),e)}generate(t,e){const s=this.getNodeType(t),i=this.getUniformHash(t);let r=t.getNodeFromHash(i);void 0===r&&(t.setHashNode(this,i),r=this);const n=r.getInputType(t),o=t.getUniformFromNode(r,n,t.shaderStage,this.name||t.context.label),a=t.getPropertyName(o);return void 0!==t.context.label&&delete t.context.label,t.format(a,s,e)}}const nf=(t,e)=>{const s=jp(e||t),i=t&&!0===t.isNode?t.node&&t.node.value||t.value:t;return qp(new rf(i,s))};ap("UniformNode",rf);const of=t=>km("uv"+(t>0?t:""),"vec2");class af extends op{constructor(t,e=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=t,this.levelNode=e}generate(t,e){const s=this.textureNode.build(t,"property"),i=this.levelNode.build(t,"int");return t.format(`${t.getMethod("textureDimensions")}( ${s}, ${i} )`,this.getNodeType(t),e)}}const hf=Yp(af);vp("textureSize",hf),ap("TextureSizeNode",af);class lf extends lp{constructor(t,e,s,...i){if(super(),i.length>0){let r=new lf(t,e,s);for(let e=0;e>"===s||"<<"===s)return t.getIntegerType(n);if("!"===s||"=="===s||"&&"===s||"||"===s||"^^"===s)return"bool";if("<"===s||">"===s||"<="===s||">="===s){const s=e?t.getTypeLength(e):Math.max(t.getTypeLength(n),t.getTypeLength(o));return s>1?`bvec${s}`:"bool"}return"float"===n&&t.isMatrix(o)?o:t.isMatrix(n)&&t.isVector(o)?t.getVectorFromMatrix(n):t.isVector(n)&&t.isMatrix(o)?t.getVectorFromMatrix(o):t.getTypeLength(o)>t.getTypeLength(n)?o:n}generate(t,e){const s=this.op,i=this.aNode,r=this.bNode,n=this.getNodeType(t,e);let o=null,a=null;"void"!==n?(o=i.getNodeType(t),a=void 0!==r?r.getNodeType(t):null,"<"===s||">"===s||"<="===s||">="===s||"=="===s?t.isVector(o)?a=o:o=a="float":">>"===s||"<<"===s?(o=n,a=t.changeComponentType(a,"uint")):t.isMatrix(o)&&t.isVector(a)?a=t.getVectorFromMatrix(o):o=t.isVector(o)&&t.isMatrix(a)?t.getVectorFromMatrix(a):a=n):o=a=n;const h=i.build(t,o),l=void 0!==r?r.build(t,a):null,u=t.getTypeLength(e),c=t.getFunctionOperator(s);return"void"!==e?"<"===s&&u>1?t.format(`${t.getMethod("lessThan")}( ${h}, ${l} )`,n,e):"<="===s&&u>1?t.format(`${t.getMethod("lessThanEqual")}( ${h}, ${l} )`,n,e):">"===s&&u>1?t.format(`${t.getMethod("greaterThan")}( ${h}, ${l} )`,n,e):">="===s&&u>1?t.format(`${t.getMethod("greaterThanEqual")}( ${h}, ${l} )`,n,e):"!"===s||"~"===s?t.format(`(${s}${h})`,o,e):c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`( ${h} ${s} ${l} )`,n,e):"void"!==o?c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`${h} ${s} ${l}`,n,e):void 0}serialize(t){super.serialize(t),t.op=this.op}deserialize(t){super.deserialize(t),this.op=t.op}}const uf=Yp(lf,"+"),cf=Yp(lf,"-"),df=Yp(lf,"*"),pf=Yp(lf,"/"),mf=Yp(lf,"%"),gf=Yp(lf,"=="),ff=Yp(lf,"!="),yf=Yp(lf,"<"),xf=Yp(lf,">"),bf=Yp(lf,"<="),vf=Yp(lf,">="),Tf=Yp(lf,"&&"),_f=Yp(lf,"||"),wf=Yp(lf,"!"),Sf=Yp(lf,"^^"),Mf=Yp(lf,"&"),Af=Yp(lf,"~"),Nf=Yp(lf,"|"),Rf=Yp(lf,"^"),Cf=Yp(lf,"<<"),Ef=Yp(lf,">>");vp("add",uf),vp("sub",cf),vp("mul",df),vp("div",pf),vp("remainder",mf),vp("equal",gf),vp("notEqual",ff),vp("lessThan",yf),vp("greaterThan",xf),vp("lessThanEqual",bf),vp("greaterThanEqual",vf),vp("and",Tf),vp("or",_f),vp("not",wf),vp("xor",Sf),vp("bitAnd",Mf),vp("bitNot",Af),vp("bitOr",Nf),vp("bitXor",Rf),vp("shiftLeft",Cf),vp("shiftRight",Ef),ap("OperatorNode",lf);class Bf extends lp{constructor(t,e,s=null,i=null){super(),this.method=t,this.aNode=e,this.bNode=s,this.cNode=i}getInputType(t){const e=this.aNode.getNodeType(t),s=this.bNode?this.bNode.getNodeType(t):null,i=this.cNode?this.cNode.getNodeType(t):null,r=t.isMatrix(e)?0:t.getTypeLength(e),n=t.isMatrix(s)?0:t.getTypeLength(s),o=t.isMatrix(i)?0:t.getTypeLength(i);return r>n&&r>o?e:n>o?s:o>r?i:e}getNodeType(t){const e=this.method;return e===Bf.LENGTH||e===Bf.DISTANCE||e===Bf.DOT?"float":e===Bf.CROSS?"vec3":e===Bf.ALL?"bool":e===Bf.EQUALS?t.changeComponentType(this.aNode.getNodeType(t),"bool"):e===Bf.MOD?this.aNode.getNodeType(t):this.getInputType(t)}generate(t,e){const s=this.method,i=this.getNodeType(t),r=this.getInputType(t),n=this.aNode,o=this.bNode,a=this.cNode,h=!0===t.renderer.isWebGLRenderer;if(s===Bf.TRANSFORM_DIRECTION){let s=n,i=o;t.isMatrix(s.getNodeType(t))?i=gm(cm(i),0):s=gm(cm(s),0);const r=df(s,i).xyz;return Yf(r).build(t,e)}if(s===Bf.NEGATE)return t.format("( - "+n.build(t,r)+" )",i,e);if(s===Bf.ONE_MINUS)return cf(1,n).build(t,e);if(s===Bf.RECIPROCAL)return pf(1,n).build(t,e);if(s===Bf.DIFFERENCE)return iy(cf(n,o)).build(t,e);{const l=[];return s===Bf.CROSS||s===Bf.MOD?l.push(n.build(t,i),o.build(t,i)):s===Bf.STEP?l.push(n.build(t,1===t.getTypeLength(n.getNodeType(t))?"float":r),o.build(t,r)):h&&(s===Bf.MIN||s===Bf.MAX)||s===Bf.MOD?l.push(n.build(t,r),o.build(t,1===t.getTypeLength(o.getNodeType(t))?"float":r)):s===Bf.REFRACT?l.push(n.build(t,r),o.build(t,r),a.build(t,"float")):s===Bf.MIX?l.push(n.build(t,r),o.build(t,r),a.build(t,1===t.getTypeLength(a.getNodeType(t))?"float":r)):(l.push(n.build(t,r)),null!==o&&l.push(o.build(t,r)),null!==a&&l.push(a.build(t,r))),t.format(`${t.getMethod(s,i)}( ${l.join(", ")} )`,i,e)}}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}Bf.ALL="all",Bf.ANY="any",Bf.EQUALS="equals",Bf.RADIANS="radians",Bf.DEGREES="degrees",Bf.EXP="exp",Bf.EXP2="exp2",Bf.LOG="log",Bf.LOG2="log2",Bf.SQRT="sqrt",Bf.INVERSE_SQRT="inversesqrt",Bf.FLOOR="floor",Bf.CEIL="ceil",Bf.NORMALIZE="normalize",Bf.FRACT="fract",Bf.SIN="sin",Bf.COS="cos",Bf.TAN="tan",Bf.ASIN="asin",Bf.ACOS="acos",Bf.ATAN="atan",Bf.ABS="abs",Bf.SIGN="sign",Bf.LENGTH="length",Bf.NEGATE="negate",Bf.ONE_MINUS="oneMinus",Bf.DFDX="dFdx",Bf.DFDY="dFdy",Bf.ROUND="round",Bf.RECIPROCAL="reciprocal",Bf.TRUNC="trunc",Bf.FWIDTH="fwidth",Bf.BITCAST="bitcast",Bf.TRANSPOSE="transpose",Bf.ATAN2="atan2",Bf.MIN="min",Bf.MAX="max",Bf.MOD="mod",Bf.STEP="step",Bf.REFLECT="reflect",Bf.DISTANCE="distance",Bf.DIFFERENCE="difference",Bf.DOT="dot",Bf.CROSS="cross",Bf.POW="pow",Bf.TRANSFORM_DIRECTION="transformDirection",Bf.MIX="mix",Bf.CLAMP="clamp",Bf.REFRACT="refract",Bf.SMOOTHSTEP="smoothstep",Bf.FACEFORWARD="faceforward";const If=im(1e-6),Pf=im(1e6),Ff=im(Math.PI),Uf=im(2*Math.PI),Of=Yp(Bf,Bf.ALL),zf=Yp(Bf,Bf.ANY),Lf=Yp(Bf,Bf.EQUALS),Vf=Yp(Bf,Bf.RADIANS),Df=Yp(Bf,Bf.DEGREES),kf=Yp(Bf,Bf.EXP),Gf=Yp(Bf,Bf.EXP2),Wf=Yp(Bf,Bf.LOG),jf=Yp(Bf,Bf.LOG2),Hf=Yp(Bf,Bf.SQRT),qf=Yp(Bf,Bf.INVERSE_SQRT),$f=Yp(Bf,Bf.FLOOR),Xf=Yp(Bf,Bf.CEIL),Yf=Yp(Bf,Bf.NORMALIZE),Jf=Yp(Bf,Bf.FRACT),Zf=Yp(Bf,Bf.SIN),Qf=Yp(Bf,Bf.COS),Kf=Yp(Bf,Bf.TAN),ty=Yp(Bf,Bf.ASIN),ey=Yp(Bf,Bf.ACOS),sy=Yp(Bf,Bf.ATAN),iy=Yp(Bf,Bf.ABS),ry=Yp(Bf,Bf.SIGN),ny=Yp(Bf,Bf.LENGTH),oy=Yp(Bf,Bf.NEGATE),ay=Yp(Bf,Bf.ONE_MINUS),hy=Yp(Bf,Bf.DFDX),ly=Yp(Bf,Bf.DFDY),uy=Yp(Bf,Bf.ROUND),cy=Yp(Bf,Bf.RECIPROCAL),dy=Yp(Bf,Bf.TRUNC),py=Yp(Bf,Bf.FWIDTH),my=Yp(Bf,Bf.BITCAST),gy=Yp(Bf,Bf.TRANSPOSE),fy=Yp(Bf,Bf.ATAN2),yy=Yp(Bf,Bf.MIN),xy=Yp(Bf,Bf.MAX),by=Yp(Bf,Bf.MOD),vy=Yp(Bf,Bf.STEP),Ty=Yp(Bf,Bf.REFLECT),_y=Yp(Bf,Bf.DISTANCE),wy=Yp(Bf,Bf.DIFFERENCE),Sy=Yp(Bf,Bf.DOT),My=Yp(Bf,Bf.CROSS),Ay=Yp(Bf,Bf.POW),Ny=Yp(Bf,Bf.POW,2),Ry=Yp(Bf,Bf.POW,3),Cy=Yp(Bf,Bf.POW,4),Ey=Yp(Bf,Bf.TRANSFORM_DIRECTION),By=t=>df(ry(t),Ay(iy(t),1/3)),Iy=t=>Sy(t,t),Py=Yp(Bf,Bf.MIX),Fy=(t,e=0,s=1)=>qp(new Bf(Bf.CLAMP,qp(t),qp(e),qp(s))),Uy=t=>Fy(t),Oy=Yp(Bf,Bf.REFRACT),zy=Yp(Bf,Bf.SMOOTHSTEP),Ly=Yp(Bf,Bf.FACEFORWARD);vp("all",Of),vp("any",zf),vp("equals",Lf),vp("radians",Vf),vp("degrees",Df),vp("exp",kf),vp("exp2",Gf),vp("log",Wf),vp("log2",jf),vp("sqrt",Hf),vp("inverseSqrt",qf),vp("floor",$f),vp("ceil",Xf),vp("normalize",Yf),vp("fract",Jf),vp("sin",Zf),vp("cos",Qf),vp("tan",Kf),vp("asin",ty),vp("acos",ey),vp("atan",sy),vp("abs",iy),vp("sign",ry),vp("length",ny),vp("lengthSq",Iy),vp("negate",oy),vp("oneMinus",ay),vp("dFdx",hy),vp("dFdy",ly),vp("round",uy),vp("reciprocal",cy),vp("trunc",dy),vp("fwidth",py),vp("atan2",fy),vp("min",yy),vp("max",xy),vp("mod",by),vp("step",vy),vp("reflect",Ty),vp("distance",_y),vp("dot",Sy),vp("cross",My),vp("pow",Ay),vp("pow2",Ny),vp("pow3",Ry),vp("pow4",Cy),vp("transformDirection",Ey),vp("mix",((t,e,s)=>Py(e,s,t))),vp("clamp",Fy),vp("refract",Oy),vp("smoothstep",((t,e,s)=>zy(e,s,t))),vp("faceForward",Ly),vp("difference",wy),vp("saturate",Uy),vp("cbrt",By),vp("transpose",gy),ap("MathNode",Bf);const Vy=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.mul(.9478672986).add(.0521327014).pow(2.4),r=s.mul(.0773993808),n=s.lessThanEqual(.04045),o=Py(i,r,n);return gm(o,e.a)})),Dy=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.pow(.41666).mul(1.055).sub(.055),r=s.mul(12.92),n=s.lessThanEqual(.0031308),o=Py(i,r,n);return gm(o,e.a)})),ky=t=>{let e=null;return t===Ye?e="Linear":t===Xe&&(e="sRGB"),e},Gy=(t,e)=>ky(t)+"To"+ky(e);class Wy extends lp{constructor(t,e){super("vec4"),this.method=t,this.node=e}setup(){const{method:t,node:e}=this;return t===Wy.LINEAR_TO_LINEAR?e:jy[t]({value:e})}}Wy.LINEAR_TO_LINEAR="LinearToLinear",Wy.LINEAR_TO_sRGB="LinearTosRGB",Wy.sRGB_TO_LINEAR="sRGBToLinear";const jy={[Wy.LINEAR_TO_sRGB]:Dy,[Wy.sRGB_TO_LINEAR]:Vy},Hy=(t,e)=>qp(new Wy(Gy(Ye,e),qp(t))),qy=(t,e)=>qp(new Wy(Gy(e,Ye),qp(t))),$y=Yp(Wy,Wy.LINEAR_TO_sRGB),Xy=Yp(Wy,Wy.sRGB_TO_LINEAR);vp("linearTosRGB",$y),vp("sRGBToLinear",Xy),vp("linearToColorSpace",Hy),vp("colorSpaceToLinear",qy),ap("ColorSpaceNode",Wy);class Yy extends op{constructor(t="",e="void"){super(e),this.snippet=t}generate(t,e){const s=this.getNodeType(t),i=this.snippet;if("void"!==s)return t.format(`( ${i} )`,s,e);t.addLineFlowCode(i)}}const Jy=Yp(Yy);ap("ExpressionNode",Yy);class Zy extends rf{constructor(t){super(0),this.textureNode=t,this.updateType=Hd.FRAME}get texture(){return this.textureNode.value}update(){const t=this.texture,e=t.images,s=e&&e.length>0?e[0]&&e[0].image||e[0]:t.image;if(s&&void 0!==s.width){const{width:t,height:e}=s;this.value=Math.log2(Math.max(t,e))}}}const Qy=Yp(Zy);ap("MaxMipLevelNode",Zy);class Ky extends rf{constructor(t,e=null,s=null){super(t),this.isTextureNode=!0,this.uvNode=e,this.levelNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Hd.NONE,this.referenceNode=null,this._value=t,this.setUpdateMatrix(null===e)}set value(t){this.referenceNode?this.referenceNode.value=t:this._value=t}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===Bt?"uvec4":this.value.type===Et?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return of(this.value.channel)}updateReference(){return this.value}getTransformedUV(t){const e=this.value;return nf(e.matrix).mul(cm(t,1)).xy}setUpdateMatrix(t){return this.updateMatrix=t,this.updateType=t?Hd.FRAME:Hd.NONE,this}setupUV(t,e){const s=this.value;return!t.isFlipY()||!0!==s.isRenderTargetTexture&&!0!==s.isFramebufferTexture&&!0!==s.isDepthTexture||(e=e.setY(e.y.oneMinus())),e}setup(t){const e=t.getNodeProperties(this);let s=this.uvNode;null!==s&&!0!==t.context.forceUVContext||!t.context.getUV||(s=t.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(t,s);let i=this.levelNode;null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),e.uvNode=s,e.levelNode=i,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.depthNode=this.depthNode}generateUV(t,e){return e.build(t,!0===this.sampler?"vec2":"ivec2")}generateSnippet(t,e,s,i,r,n,o){const a=this.value;let h;return h=i?t.generateTextureLevel(a,e,s,i,r):o?t.generateTextureGrad(a,e,s,o,r):n?t.generateTextureCompare(a,e,s,n,r):!1===this.sampler?t.generateTextureLoad(a,e,s,r):t.generateTexture(a,e,s,r),h}generate(t,e){const s=t.getNodeProperties(this),i=this.value;if(!i||!0!==i.isTexture)throw new Error("TextureNode: Need a three.js texture.");const r=super.generate(t,"property");if("sampler"===e)return r+"_sampler";if(t.isReference(e))return r;{const n=t.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:e,levelNode:i,compareNode:a,depthNode:h,gradNode:l}=s,u=this.generateUV(t,e),c=i?i.build(t,"float"):null,d=h?h.build(t,"int"):null,p=a?a.build(t,"float"):null,m=l?[l[0].build(t,"vec2"),l[1].build(t,"vec2")]:null,g=t.getVarFromNode(this);o=t.getPropertyName(g);const f=this.generateSnippet(t,r,u,c,d,p,m);t.addLineFlowCode(`${o} = ${f}`),n.snippet=f,n.propertyName=o}let a=o;const h=this.getNodeType(t);return t.needsColorSpaceToLinear(i)&&(a=qy(Jy(a,h),i.colorSpace).setup(t).build(t,h)),t.format(a,h,e)}}setSampler(t){return this.sampler=t,this}getSampler(){return this.sampler}uv(t){const e=this.clone();return e.uvNode=t,e.referenceNode=this,qp(e)}blur(t){const e=this.clone();return e.levelNode=t.mul(Qy(e)),e.referenceNode=this,qp(e)}level(t){const e=this.clone();return e.levelNode=t,e.referenceNode=this,e}size(t){return hf(this,t)}compare(t){const e=this.clone();return e.compareNode=qp(t),e.referenceNode=this,qp(e)}grad(t,e){const s=this.clone();return s.gradNode=[qp(t),qp(e)],s.referenceNode=this,qp(s)}depth(t){const e=this.clone();return e.depthNode=qp(t),e.referenceNode=this,qp(e)}serialize(t){super.serialize(t),t.value=this.value.toJSON(t.meta).uuid}deserialize(t){super.deserialize(t),this.value=t.meta.textures[t.value]}update(){const t=this.value;!0===t.matrixAutoUpdate&&t.updateMatrix()}clone(){const t=new this.constructor(this.value,this.uvNode,this.levelNode);return t.sampler=this.sampler,t}}const tx=Yp(Ky),ex=(...t)=>tx(...t).setSampler(!1),sx=t=>(!0===t.isNode?t:tx(t)).convert("sampler");vp("texture",tx),ap("TextureNode",Ky);class ix extends rf{constructor(t,e,s=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferCount=s}getElementType(t){return this.getNodeType(t)}getInputType(){return"buffer"}}const rx=(t,e,s)=>qp(new ix(t,e,s));ap("BufferNode",ix);class nx extends up{constructor(t,e){super(t,e),this.isArrayBufferElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){const e=super.generate(t),s=this.getNodeType();return t.format(e,"vec4",s)}}class ox extends ix{constructor(t,e=null){super(null,"vec4"),this.array=t,this.elementType=e,this._elementType=null,this._elementLength=0,this.updateType=Hd.RENDER,this.isArrayBufferNode=!0}getElementType(){return this.elementType||this._elementType}getElementLength(){return this._elementLength}update(){const{array:t,value:e}=this,s=this.getElementLength(),i=this.getElementType();if(1===s)for(let s=0;sqp(new ox(t,e));ap("UniformsNode",ox);class hx extends up{constructor(t,e){super(t,e),this.referenceNode=t,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(t){const e=super.generate(t),s=this.referenceNode.getNodeType(),i=this.getNodeType();return t.format(e,s,i)}}class lx extends op{constructor(t,e,s=null,i=null){super(),this.property=t,this.uniformType=e,this.object=s,this.count=i,this.properties=t.split("."),this.reference=null,this.node=null,this.updateType=Hd.OBJECT}element(t){return qp(new hx(this,qp(t)))}setNodeType(t){let e=null;e=null!==this.count?rx(null,t,this.count):Array.isArray(this.getValueFromReference())?ax(null,t):"texture"===t?tx(null):nf(null,t),this.node=e}getNodeType(t){return null===this.node&&this.updateValue(),this.node.getNodeType(t)}getValueFromReference(t=this.reference){const{properties:e}=this;let s=t[e[0]];for(let t=1;tqp(new lx(t,e,s)),cx=(t,e,s,i)=>qp(new lx(t,e,i,s));ap("ReferenceNode",lx);class dx extends lx{constructor(t,e,s=null){super(t,e,s),this.material=s}updateReference(t){return this.reference=null!==this.material?this.material:t.material,this.reference}}const px=(t,e,s)=>qp(new dx(t,e,s));ap("MaterialReferenceNode",dx);const mx=Kg("camera").onRenderUpdate((()=>{mx.needsUpdate=!0})),gx=nf("float").label("cameraNear").setGroup(mx).onRenderUpdate((({camera:t})=>t.near)),fx=nf("float").label("cameraFar").setGroup(mx).onRenderUpdate((({camera:t})=>t.far)),yx=nf("float").label("cameraLogDepth").setGroup(mx).onRenderUpdate((({camera:t})=>2/(Math.log(t.far+1)/Math.LN2))),xx=nf("mat4").label("cameraProjectionMatrix").setGroup(mx).onRenderUpdate((({camera:t})=>t.projectionMatrix)),bx=nf("mat4").label("cameraProjectionMatrixInverse").setGroup(mx).onRenderUpdate((({camera:t})=>t.projectionMatrixInverse)),vx=nf("mat4").label("cameraViewMatrix").setGroup(mx).onRenderUpdate((({camera:t})=>t.matrixWorldInverse)),Tx=nf("mat4").label("cameraWorldMatrix").setGroup(mx).onRenderUpdate((({camera:t})=>t.matrixWorld)),_x=nf("mat3").label("cameraNormalMatrix").setGroup(mx).onRenderUpdate((({camera:t})=>t.normalMatrix)),wx=nf(new Ri).label("cameraPosition").setGroup(mx).onRenderUpdate((({camera:t},e)=>e.value.setFromMatrixPosition(t.matrixWorld)));class Sx extends op{constructor(t=Sx.VIEW_MATRIX,e=null){super(),this.scope=t,this.object3d=e,this.updateType=Hd.OBJECT,this._uniformNode=new rf(null)}getNodeType(){const t=this.scope;return t===Sx.WORLD_MATRIX||t===Sx.VIEW_MATRIX?"mat4":t===Sx.NORMAL_MATRIX?"mat3":t===Sx.POSITION||t===Sx.VIEW_POSITION||t===Sx.DIRECTION||t===Sx.SCALE?"vec3":void 0}update(t){const e=this.object3d,s=this._uniformNode,i=this.scope;if(i===Sx.VIEW_MATRIX)s.value=e.modelViewMatrix;else if(i===Sx.NORMAL_MATRIX)s.value=e.normalMatrix;else if(i===Sx.WORLD_MATRIX)s.value=e.matrixWorld;else if(i===Sx.POSITION)s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld);else if(i===Sx.SCALE)s.value=s.value||new Ri,s.value.setFromMatrixScale(e.matrixWorld);else if(i===Sx.DIRECTION)s.value=s.value||new Ri,e.getWorldDirection(s.value);else if(i===Sx.VIEW_POSITION){const i=t.camera;s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(t){const e=this.scope;return e===Sx.WORLD_MATRIX||e===Sx.VIEW_MATRIX?this._uniformNode.nodeType="mat4":e===Sx.NORMAL_MATRIX?this._uniformNode.nodeType="mat3":e!==Sx.POSITION&&e!==Sx.VIEW_POSITION&&e!==Sx.DIRECTION&&e!==Sx.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(t)}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}Sx.VIEW_MATRIX="viewMatrix",Sx.NORMAL_MATRIX="normalMatrix",Sx.WORLD_MATRIX="worldMatrix",Sx.POSITION="position",Sx.SCALE="scale",Sx.VIEW_POSITION="viewPosition",Sx.DIRECTION="direction";const Mx=Yp(Sx,Sx.DIRECTION),Ax=Yp(Sx,Sx.VIEW_MATRIX),Nx=Yp(Sx,Sx.NORMAL_MATRIX),Rx=Yp(Sx,Sx.WORLD_MATRIX),Cx=Yp(Sx,Sx.POSITION),Ex=Yp(Sx,Sx.SCALE),Bx=Yp(Sx,Sx.VIEW_POSITION);ap("Object3DNode",Sx);class Ix extends Sx{constructor(t=Ix.VIEW_MATRIX){super(t)}update(t){this.object3d=t.object,super.update(t)}}const Px=Jp(Ix,Ix.DIRECTION),Fx=Jp(Ix,Ix.VIEW_MATRIX).label("modelViewMatrix").temp("ModelViewMatrix"),Ux=Jp(Ix,Ix.NORMAL_MATRIX),Ox=Jp(Ix,Ix.WORLD_MATRIX),zx=Jp(Ix,Ix.POSITION),Lx=Jp(Ix,Ix.SCALE),Vx=Jp(Ix,Ix.VIEW_POSITION),Dx=nf(new rr).onObjectUpdate((({object:t},e)=>e.value.copy(t.matrixWorld).invert()));ap("ModelNode",Ix);const kx=km("normal","vec3",cm(0,1,0)),Gx=kx.toVar("normalLocal"),Wx=Vm(Ux.mul(Gx),"v_normalView").normalize().toVar("normalView"),jx=Vm(Wx.transformDirection(vx),"v_normalWorld").normalize().toVar("transformedNormalWorld"),Hx=cg("vec3","transformedNormalView"),qx=Hx.transformDirection(vx).normalize().toVar("transformedNormalWorld"),$x=cg("vec3","transformedClearcoatNormalView"),Xx=new Map;class Yx extends op{constructor(t){super(),this.scope=t}getCache(t,e){let s=Xx.get(t);return void 0===s&&(s=px(t,e),Xx.set(t,s)),s}getFloat(t){return this.getCache(t,"float")}getColor(t){return this.getCache(t,"color")}getTexture(t){return this.getCache("map"===t?"map":t+"Map","texture")}setup(t){const e=t.context.material,s=this.scope;let i=null;if(s===Yx.COLOR){const t=this.getColor(s);i=e.map&&!0===e.map.isTexture?t.mul(this.getTexture("map")):t}else if(s===Yx.OPACITY){const t=this.getFloat(s);i=e.alphaMap&&!0===e.alphaMap.isTexture?t.mul(this.getTexture("alpha")):t}else if(s===Yx.SPECULAR_STRENGTH)i=e.specularMap&&!0===e.specularMap.isTexture?this.getTexture("specular").r:im(1);else if(s===Yx.SPECULAR_INTENSITY){const t=this.getFloat(s);i=e.specularMap?t.mul(this.getTexture(s).a):t}else if(s===Yx.SPECULAR_COLOR){const t=this.getColor(s);i=e.specularColorMap&&!0===e.specularColorMap.isTexture?t.mul(this.getTexture(s).rgb):t}else if(s===Yx.ROUGHNESS){const t=this.getFloat(s);i=e.roughnessMap&&!0===e.roughnessMap.isTexture?t.mul(this.getTexture(s).g):t}else if(s===Yx.METALNESS){const t=this.getFloat(s);i=e.metalnessMap&&!0===e.metalnessMap.isTexture?t.mul(this.getTexture(s).b):t}else if(s===Yx.EMISSIVE){const t=this.getColor(s);i=e.emissiveMap&&!0===e.emissiveMap.isTexture?t.mul(this.getTexture(s)):t}else if(s===Yx.NORMAL)i=e.normalMap?this.getTexture("normal").normalMap(this.getCache("normalScale","vec2")):e.bumpMap?this.getTexture("bump").r.bumpMap(this.getFloat("bumpScale")):Wx;else if(s===Yx.CLEARCOAT){const t=this.getFloat(s);i=e.clearcoatMap&&!0===e.clearcoatMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Yx.CLEARCOAT_ROUGHNESS){const t=this.getFloat(s);i=e.clearcoatRoughnessMap&&!0===e.clearcoatRoughnessMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Yx.CLEARCOAT_NORMAL)i=e.clearcoatNormalMap?this.getTexture(s).normalMap(this.getCache(s+"Scale","vec2")):Wx;else if(s===Yx.SHEEN){const t=this.getColor("sheenColor").mul(this.getFloat("sheen"));i=e.sheenColorMap&&!0===e.sheenColorMap.isTexture?t.mul(this.getTexture("sheenColor").rgb):t}else if(s===Yx.SHEEN_ROUGHNESS){const t=this.getFloat(s);i=e.sheenRoughnessMap&&!0===e.sheenRoughnessMap.isTexture?t.mul(this.getTexture(s).a):t,i=i.clamp(.07,1)}else if(s===Yx.ANISOTROPY)if(e.anisotropyMap&&!0===e.anisotropyMap.isTexture){const t=this.getTexture(s);i=bm(Bb.x,Bb.y,Bb.y.negate(),Bb.x).mul(t.rg.mul(2).sub(am(1)).normalize().mul(t.b))}else i=Bb;else if(s===Yx.IRIDESCENCE_THICKNESS){const t=ux("1","float",e.iridescenceThicknessRange);if(e.iridescenceThicknessMap){const r=ux("0","float",e.iridescenceThicknessRange);i=t.sub(r).mul(this.getTexture(s).g).add(r)}else i=t}else if(s===Yx.TRANSMISSION){const t=this.getFloat(s);i=e.transmissionMap?t.mul(this.getTexture(s).r):t}else if(s===Yx.THICKNESS){const t=this.getFloat(s);i=e.thicknessMap?t.mul(this.getTexture(s).g):t}else if(s===Yx.IOR)i=this.getFloat(s);else{const e=this.getNodeType(t);i=this.getCache(s,e)}return i}}Yx.ALPHA_TEST="alphaTest",Yx.COLOR="color",Yx.OPACITY="opacity",Yx.SHININESS="shininess",Yx.SPECULAR="specular",Yx.SPECULAR_STRENGTH="specularStrength",Yx.SPECULAR_INTENSITY="specularIntensity",Yx.SPECULAR_COLOR="specularColor",Yx.REFLECTIVITY="reflectivity",Yx.ROUGHNESS="roughness",Yx.METALNESS="metalness",Yx.NORMAL="normal",Yx.CLEARCOAT="clearcoat",Yx.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Yx.CLEARCOAT_NORMAL="clearcoatNormal",Yx.EMISSIVE="emissive",Yx.ROTATION="rotation",Yx.SHEEN="sheen",Yx.SHEEN_ROUGHNESS="sheenRoughness",Yx.ANISOTROPY="anisotropy",Yx.IRIDESCENCE="iridescence",Yx.IRIDESCENCE_IOR="iridescenceIOR",Yx.IRIDESCENCE_THICKNESS="iridescenceThickness",Yx.IOR="ior",Yx.TRANSMISSION="transmission",Yx.THICKNESS="thickness",Yx.ATTENUATION_DISTANCE="attenuationDistance",Yx.ATTENUATION_COLOR="attenuationColor",Yx.LINE_SCALE="scale",Yx.LINE_DASH_SIZE="dashSize",Yx.LINE_GAP_SIZE="gapSize",Yx.LINE_WIDTH="linewidth",Yx.LINE_DASH_OFFSET="dashOffset",Yx.POINT_WIDTH="pointWidth",Yx.DISPERSION="dispersion";const Jx=Jp(Yx,Yx.ALPHA_TEST),Zx=Jp(Yx,Yx.COLOR),Qx=Jp(Yx,Yx.SHININESS),Kx=Jp(Yx,Yx.EMISSIVE),tb=Jp(Yx,Yx.OPACITY),eb=Jp(Yx,Yx.SPECULAR),sb=Jp(Yx,Yx.SPECULAR_INTENSITY),ib=Jp(Yx,Yx.SPECULAR_COLOR),rb=Jp(Yx,Yx.SPECULAR_STRENGTH),nb=Jp(Yx,Yx.REFLECTIVITY),ob=Jp(Yx,Yx.ROUGHNESS),ab=Jp(Yx,Yx.METALNESS),hb=Jp(Yx,Yx.NORMAL),lb=Jp(Yx,Yx.CLEARCOAT),ub=Jp(Yx,Yx.CLEARCOAT_ROUGHNESS),cb=Jp(Yx,Yx.CLEARCOAT_NORMAL),db=Jp(Yx,Yx.ROTATION),pb=Jp(Yx,Yx.SHEEN),mb=Jp(Yx,Yx.SHEEN_ROUGHNESS),gb=Jp(Yx,Yx.ANISOTROPY),fb=Jp(Yx,Yx.IRIDESCENCE),yb=Jp(Yx,Yx.IRIDESCENCE_IOR),xb=Jp(Yx,Yx.IRIDESCENCE_THICKNESS),bb=Jp(Yx,Yx.TRANSMISSION),vb=Jp(Yx,Yx.THICKNESS),Tb=Jp(Yx,Yx.IOR),_b=Jp(Yx,Yx.ATTENUATION_DISTANCE),wb=Jp(Yx,Yx.ATTENUATION_COLOR),Sb=Jp(Yx,Yx.LINE_SCALE),Mb=Jp(Yx,Yx.LINE_DASH_SIZE),Ab=Jp(Yx,Yx.LINE_GAP_SIZE),Nb=Jp(Yx,Yx.LINE_WIDTH),Rb=Jp(Yx,Yx.LINE_DASH_OFFSET),Cb=Jp(Yx,Yx.POINT_WIDTH),Eb=Jp(Yx,Yx.DISPERSION),Bb=nf(new Zs).onReference((function(t){return t.material})).onRenderUpdate((function({material:t}){this.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation))}));ap("MaterialNode",Yx);const Ib=km("position","vec3"),Pb=Ib.toVar("positionLocal"),Fb=Vm(Ox.mul(Pb).xyz,"v_positionWorld"),Ub=Vm(Pb.transformDirection(Ox),"v_positionWorldDirection").normalize().toVar("positionWorldDirection"),Ob=Vm(Fx.mul(Pb).xyz,"v_positionView"),zb=Vm(Ob.negate(),"v_positionViewDirection").normalize().toVar("positionViewDirection");class Lb extends lp{constructor(t=null){super("vec4"),this.positionNode=t}setup(t){if("fragment"===t.shaderStage)return Vm(t.context.mvp);const e=this.positionNode||Pb;return xx.mul(Fx).mul(e)}}const Vb=Yp(Lb);ap("ModelViewProjectionNode",Lb);class Db extends fp{constructor(t,e=null,s=0,i=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferStride=s,this.bufferOffset=i,this.usage=As,this.instanced=!1,this.attribute=null,this.global=!0,t&&!0===t.isBufferAttribute&&(this.attribute=t,this.usage=t.usage,this.instanced=t.isInstancedBufferAttribute)}getHash(t){if(0===this.bufferStride&&0===this.bufferOffset){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getNodeType(t){return null===this.bufferType&&(this.bufferType=t.getTypeFromAttribute(this.attribute)),this.bufferType}setup(t){if(null!==this.attribute)return;const e=this.getNodeType(t),s=this.value,i=t.getTypeLength(e),r=this.bufferStride||i,n=this.bufferOffset,o=!0===s.isInterleavedBuffer?s:new ro(s,r),a=new oo(o,i,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(t){const e=this.getNodeType(t),s=t.getBufferAttributeFromNode(this,e),i=t.getPropertyName(s);let r=null;if("vertex"===t.shaderStage||"compute"===t.shaderStage)this.name=i,r=i;else{r=Vm(this).build(t,e)}return r}getInputType(){return"bufferAttribute"}setUsage(t){return this.usage=t,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=t),this}setInstanced(t){return this.instanced=t,this}}const kb=(t,e,s,i)=>qp(new Db(t,e,s,i)),Gb=(t,e,s,i)=>kb(t,e,s,i).setUsage(Ns),Wb=(t,e,s,i)=>kb(t,e,s,i).setInstanced(!0),jb=(t,e,s,i)=>Gb(t,e,s,i).setInstanced(!0);vp("toAttribute",(t=>kb(t.value))),ap("BufferAttributeNode",Db);class Hb extends op{constructor(t){super("void"),this.instanceMesh=t,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Hd.FRAME,this.buffer=null,this.bufferColor=null}setup(){let t=this.instanceMatrixNode;const e=this.instanceMesh;if(null===t){const s=e.instanceMatrix,i=new Mc(s.array,16,1);this.buffer=i;const r=s.usage===Ns?jb:Wb,n=[r(i,"vec4",16,0),r(i,"vec4",16,4),r(i,"vec4",16,8),r(i,"vec4",16,12)];t=Nm(...n),this.instanceMatrixNode=t}const s=e.instanceColor;if(s&&null===this.instanceColorNode){const t=new Go(s.array,3),e=s.usage===Ns?jb:Wb;this.bufferColor=t,this.instanceColorNode=cm(e(t,"vec3",3,0))}const i=t.mul(Pb).xyz,r=wm(t[0].xyz,t[1].xyz,t[2].xyz),n=Gx.div(cm(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2]))),o=r.mul(n).xyz;Pb.assign(i),Gx.assign(o),null!==this.instanceColorNode&&dg("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMesh.instanceMatrix.usage!==Ns&&this.instanceMesh.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMesh.instanceMatrix.version),this.instanceMesh.instanceColor&&this.instanceMesh.instanceColor.usage!==Ns&&this.instanceMesh.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceMesh.instanceColor.version)}}const qb=Yp(Hb);ap("InstanceNode",Hb);const $b=Zp(((t,e)=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),km("tangent","vec4"))))(),Xb=$b.xyz.toVar("tangentLocal"),Yb=Vm(Fx.mul(gm(Xb,0)).xyz,"v_tangentView").normalize().toVar("tangentView"),Jb=Vm(Yb.transformDirection(vx),"v_tangentWorld").normalize().toVar("tangentWorld"),Zb=Yb.toVar("transformedTangentView"),Qb=Zb.transformDirection(vx).normalize().toVar("transformedTangentWorld");class Kb extends op{constructor(t){super("void"),this.batchMesh=t,this.instanceColorNode=null,this.batchingIdNode=null}setup(t){null===this.batchingIdNode&&(null===t.getDrawIndex()?this.batchingIdNode=Zm:this.batchingIdNode=Qm);const e=Zp((([t])=>{const e=hf(ex(this.batchMesh._indirectTexture),0),s=rm(t).remainder(rm(e)),i=rm(t).div(rm(e));return ex(this.batchMesh._indirectTexture,hm(s,i),null,"uvec4").x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),s=this.batchMesh._matricesTexture,i=hf(ex(s),0),r=im(e(rm(this.batchingIdNode))).mul(4).toVar(),n=rm(r.mod(i)),o=rm(r).div(rm(i)),a=Nm(ex(s,hm(n,o)),ex(s,hm(n.add(1),o)),ex(s,hm(n.add(2),o)),ex(s,hm(n.add(3),o))),h=wm(a[0].xyz,a[1].xyz,a[2].xyz);Pb.assign(a.mul(Pb));const l=Gx.div(cm(h[0].dot(h[0]),h[1].dot(h[1]),h[2].dot(h[2]))),u=h.mul(l).xyz;Gx.assign(u),t.hasGeometryAttribute("tangent")&&Xb.mulAssign(h)}}const tv=Yp(Kb);ap("batch",Kb);class ev extends op{constructor(t,e=!1){let s,i,r;super("void"),this.skinnedMesh=t,this.useReference=e,this.updateType=Hd.OBJECT,this.skinIndexNode=km("skinIndex","uvec4"),this.skinWeightNode=km("skinWeight","vec4"),e?(s=ux("bindMatrix","mat4"),i=ux("bindMatrixInverse","mat4"),r=cx("skeleton.boneMatrices","mat4",t.skeleton.bones.length)):(s=nf(t.bindMatrix,"mat4"),i=nf(t.bindMatrixInverse,"mat4"),r=rx(t.skeleton.boneMatrices,"mat4",t.skeleton.bones.length)),this.bindMatrixNode=s,this.bindMatrixInverseNode=i,this.boneMatricesNode=r}setup(t){const{skinIndexNode:e,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:r,boneMatricesNode:n}=this,o=n.element(e.x),a=n.element(e.y),h=n.element(e.z),l=n.element(e.w),u=i.mul(Pb),c=uf(o.mul(s.x).mul(u),a.mul(s.y).mul(u),h.mul(s.z).mul(u),l.mul(s.w).mul(u)),d=r.mul(c).xyz;let p=uf(s.x.mul(o),s.y.mul(a),s.z.mul(h),s.w.mul(l));p=r.mul(p).mul(i);const m=p.transformDirection(Gx).xyz;Pb.assign(d),Gx.assign(m),t.hasGeometryAttribute("tangent")&&Xb.assign(m)}generate(t,e){if("void"!==e)return Pb.build(t,e)}update(t){(this.useReference?t.object:this.skinnedMesh).skeleton.update()}}const sv=t=>qp(new ev(t)),iv=t=>qp(new ev(t,!0));ap("SkinningNode",ev);class rv extends op{constructor(t=[]){super(),this.params=t}getVarName(t){return String.fromCharCode("i".charCodeAt()+t)}getProperties(t){const e=t.getNodeProperties(this);if(void 0!==e.stackNode)return e;const s={};for(let t=0,e=this.params.length-1;tNumber(n)?">=":"<"));const u={start:r,end:n,condition:h},c=u.start,d=u.end;let p="",m="",g="";l||(l="int"===a||"uint"===a?h.includes("<")?"++":"--":h.includes("<")?"+= 1.":"-= 1."),p+=t.getVar(a,o)+" = "+c,m+=o+" "+h+" "+d,g+=o+" "+l;const f=`for ( ${p}; ${m}; ${g} )`;t.addFlowCode((0===e?"\n":"")+t.tab+f+" {\n\n").addFlowTab()}const r=i.build(t,"void"),n=e.returnsNode?e.returnsNode.build(t):"";t.removeFlowTab().addFlowCode("\n"+t.tab+r);for(let e=0,s=this.params.length-1;eqp(new rv(Xp(t,"int"))).append(),ov=()=>Jy("continue").append(),av=()=>Jy("break").append();vp("loop",((t,...e)=>Wm(t,nv(...e)))),ap("LoopNode",rv);const hv=new WeakMap,lv=new vi,uv=Zp((({bufferMap:t,influence:e,stride:s,width:i,depth:r,offset:n})=>{const o=rm(Jm).mul(s).add(n),a=o.div(i),h=o.sub(a.mul(i));return ex(t,hm(h,a)).depth(r).mul(e)}));class cv extends op{constructor(t){super("void"),this.mesh=t,this.morphBaseInfluence=nf(1),this.updateType=Hd.OBJECT}setup(t){const{geometry:e}=t,s=void 0!==e.morphAttributes.position,i=void 0!==e.morphAttributes.normal,r=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,n=void 0!==r?r.length:0,{texture:o,stride:a,size:h}=function(t){const e=void 0!==t.morphAttributes.position,s=void 0!==t.morphAttributes.normal,i=void 0!==t.morphAttributes.color,r=t.morphAttributes.position||t.morphAttributes.normal||t.morphAttributes.color,n=void 0!==r?r.length:0;let o=hv.get(t);if(void 0===o||o.count!==n){void 0!==o&&o.texture.dispose();const a=t.morphAttributes.position||[],h=t.morphAttributes.normal||[],l=t.morphAttributes.color||[];let u=0;!0===e&&(u=1),!0===s&&(u=2),!0===i&&(u=3);let c=t.attributes.position.count*u,d=1;const p=4096;c>p&&(d=Math.ceil(c/p),c=p);const m=new Float32Array(c*d*4*n),g=new wi(m,c,d,n);g.type=It,g.needsUpdate=!0;const f=4*u;for(let x=0;x{const e=im(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?e.assign(ex(this.mesh.morphTexture,hm(rm(t).add(1),rm(Zm))).r):e.assign(ux("morphTargetInfluences","float").element(t).toVar()),!0===s&&Pb.addAssign(uv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(0)})),!0===i&&Gx.addAssign(uv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(1)}))}))}update(){const t=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?t.value=1:t.value=1-this.mesh.morphTargetInfluences.reduce(((t,e)=>t+e),0)}}const dv=Yp(cv);ap("MorphNode",cv);const pv=zb.negate().reflect(Hx),mv=pv.transformDirection(vx).toVar("reflectVector");class gv extends Ky{constructor(t,e=null,s=null){super(t,e,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){return mv}setUpdateMatrix(){}setupUV(t,e){const s=this.value;return t.renderer.coordinateSystem!==Ls&&s.isRenderTargetTexture?e:cm(e.x.negate(),e.yz)}generateUV(t,e){return e.build(t,"vec3")}}const fv=Yp(gv);vp("cubeTexture",fv),ap("CubeTextureNode",gv);class yv extends op{constructor(){super("vec3")}generate(){console.warn("Abstract function.")}}ap("LightingNode",yv);let xv=null;class bv extends yv{constructor(t=null){super(),this.updateType=Hd.FRAME,this.light=t,this.rtt=null,this.shadowNode=null,this.shadowMaskNode=null,this.color=new $r,this._defaultColorNode=nf(this.color),this.colorNode=this._defaultColorNode,this.isAnalyticLightNode=!0}getCacheKey(){return super.getCacheKey()+"-"+this.light.id+"-"+(this.light.castShadow?"1":"0")}getHash(){return this.light.uuid}setupShadow(t){const{object:e}=t;if(!1===e.receiveShadow)return;let s=this.shadowNode;if(null===s){null===xv&&(xv=t.createNodeMaterial(),xv.fragmentNode=gm(0,0,0,1),xv.isShadowNodeMaterial=!0);const i=this.light.shadow,r=t.createRenderTarget(i.mapSize.width,i.mapSize.height),n=new Za;n.minFilter=ft,n.magFilter=ft,n.image.width=i.mapSize.width,n.image.height=i.mapSize.height,n.compareFunction=bs,r.depthTexture=n,i.camera.updateProjectionMatrix();const o=ux("intensity","float",i),a=ux("bias","float",i),h=ux("normalBias","float",i),l=e.material.shadowPositionNode||Fb;let u=nf(i.matrix).mul(l.add(jx.mul(h)));u=u.xyz.div(u.w);const c=u.x.greaterThanEqual(0).and(u.x.lessThanEqual(1)).and(u.y.greaterThanEqual(0)).and(u.y.lessThanEqual(1)).and(u.z.lessThanEqual(1));let d=u.z.add(a);t.renderer.coordinateSystem===Ls&&(d=d.mul(2).sub(1)),u=cm(u.x,u.y.oneMinus(),d);const p=(t,e,s)=>tx(t,e).compare(s);s=p(n,u.xy,u.z);const m=tx(r.texture,u),g=c.mix(1,s.mix(m.a.mix(1,m),1));this.rtt=r,this.colorNode=this.colorNode.mul(Py(1,g,o)),this.shadowNode=s,this.shadowMaskNode=g,this.updateBeforeType=Hd.RENDER}}setup(t){this.light.castShadow?this.setupShadow(t):null!==this.shadowNode&&this.disposeShadow()}updateShadow(t){const{rtt:e,light:s}=this,{renderer:i,scene:r,camera:n}=t,o=r.overrideMaterial;r.overrideMaterial=xv,e.setSize(s.shadow.mapSize.width,s.shadow.mapSize.height),s.shadow.updateMatrices(s),s.shadow.camera.layers.mask=n.layers.mask;const a=i.toneMapping,h=i.getRenderTarget(),l=i.getRenderObjectFunction();i.setRenderObjectFunction(((t,...e)=>{!0===t.castShadow&&i.renderObject(t,...e)})),i.setRenderTarget(e),i.toneMapping=0,i.render(r,s.shadow.camera),i.setRenderTarget(h),i.setRenderObjectFunction(l),i.toneMapping=a,r.overrideMaterial=o}disposeShadow(){this.rtt.dispose(),this.shadowNode=null,this.shadowMaskNode=null,this.rtt=null,this.colorNode=this._defaultColorNode}updateBefore(t){const{light:e}=this;e.castShadow&&this.updateShadow(t)}update(){const{light:t}=this;this.color.copy(t.color).multiplyScalar(t.intensity)}}ap("AnalyticLightNode",bv);const vv=new WeakMap;class Tv extends op{constructor(t=[]){super("vec3"),this.totalDiffuseNode=cm().temp("totalDiffuse"),this.totalSpecularNode=cm().temp("totalSpecular"),this.outgoingLightNode=cm().temp("outgoingLight"),this.lightNodes=t,this._hash=null}get hasLight(){return this.lightNodes.length>0}getHash(){if(null===this._hash){const t=[];for(const e of this.lightNodes)t.push(e.getHash());this._hash="lights-"+t.join(",")}return this._hash}analyze(t){const e=t.getDataFromNode(this);for(const s of e.nodes)s.build(t)}setup(t){const e=t.context,s=e.lightingModel;let i=this.outgoingLightNode;if(s){const{lightNodes:r,totalDiffuseNode:n,totalSpecularNode:o}=this;e.outgoingLight=i;const a=t.addStack();t.getDataFromNode(this).nodes=a.nodes,s.start(e,a,t);for(const e of r)e.build(t);s.indirectDiffuse(e,a,t),s.indirectSpecular(e,a,t),s.ambientOcclusion(e,a,t);const{backdrop:h,backdropAlpha:l}=e,{directDiffuse:u,directSpecular:c,indirectDiffuse:d,indirectSpecular:p}=e.reflectedLight;let m=u.add(d);null!==h&&(m=cm(null!==l?l.mix(m,h):h),e.material.transparent=!0),n.assign(m),o.assign(c.add(p)),i.assign(n.add(o)),s.finish(e,a,t),i=i.bypass(t.removeStack())}return i}_getLightNodeById(t){for(const e of this.lightNodes)if(e.isAnalyticLightNode&&e.light.id===t)return e;return null}fromLights(t=[]){const e=[];t=(t=>t.sort(((t,e)=>t.id-e.id)))(t);for(const s of t){let t=this._getLightNodeById(s.id);if(null===t){const e=s.constructor,i=vv.has(e)?vv.get(e):bv;t=qp(new i(s))}e.push(t)}return this.lightNodes=e,this._hash=null,this}}const _v=t=>qp((new Tv).fromLights(t)),wv=Yp(Tv);function Sv(t,e){if(vv.has(t))console.warn(`Redefinition of light node ${e.type}`);else{if("function"!=typeof t)throw new Error(`Light ${t.name} is not a class`);if("function"!=typeof e||!e.type)throw new Error(`Light node ${e.type} is not a class`);vv.set(t,e)}}class Mv extends yv{constructor(t=null){super(),this.aoNode=t}setup(t){const e=this.aoNode.x.sub(1).mul(1).add(1);t.context.ambientOcclusion.mulAssign(e)}}ap("AONode",Mv);class Av extends qm{constructor(t,e=null,s=null,i=null){super(t),this.lightingModel=e,this.backdropNode=s,this.backdropAlphaNode=i,this._context=null}getContext(){const{backdropNode:t,backdropAlphaNode:e}=this,s={directDiffuse:cm().temp("directDiffuse"),directSpecular:cm().temp("directSpecular"),indirectDiffuse:cm().temp("indirectDiffuse"),indirectSpecular:cm().temp("indirectSpecular")};return{radiance:cm().temp("radiance"),irradiance:cm().temp("irradiance"),iblIrradiance:cm().temp("iblIrradiance"),ambientOcclusion:im(1).temp("ambientOcclusion"),reflectedLight:s,backdrop:t,backdropAlpha:e}}setup(t){return this.context=this._context||(this._context=this.getContext()),this.context.lightingModel=this.lightingModel||t.context.lightingModel,super.setup(t)}}const Nv=Yp(Av);vp("lightingContext",Nv),ap("LightingContextNode",Av);const Rv=t=>t.mul($b.w).xyz,Cv=Vm(Rv(kx.cross($b)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Ev=Vm(Rv(Gx.cross(Xb)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Bv=Vm(Rv(Wx.cross(Yb)),"v_bitangentView").normalize().toVar("bitangentView"),Iv=Vm(Rv(jx.cross(Jb)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Pv=Rv(Hx.cross(Zb)).normalize().toVar("transformedBitangentView"),Fv=Pv.transformDirection(vx).normalize().toVar("transformedBitangentWorld"),Uv=wm(Yb,Bv,Wx),Ov=zb.mul(Uv),zv=(t,e)=>t.sub(Ov.mul(e)),Lv=(()=>{let t=Ag.cross(zb);return t=t.cross(Ag).normalize(),t=Py(t,Hx,Sg.mul(mg.oneMinus()).oneMinus().pow2().pow2()).normalize(),t})();class Vv extends op{constructor(t,e,s=null){super(),this.condNode=t,this.ifNode=e,this.elseNode=s}getNodeType(t){const e=this.ifNode.getNodeType(t);if(null!==this.elseNode){const s=this.elseNode.getNodeType(t);if(t.getTypeLength(s)>t.getTypeLength(e))return s}return e}setup(t){const e=t.getNodeProperties(this);e.condNode=this.condNode.cache(),e.ifNode=this.ifNode.cache(),e.elseNode=this.elseNode?this.elseNode.cache():null}generate(t,e){const s=this.getNodeType(t),i=t.getDataFromNode(this);if(void 0!==i.nodeProperty)return i.nodeProperty;const{condNode:r,ifNode:n,elseNode:o}=t.getNodeProperties(this),a="void"!==e,h=a?cg(s).build(t):"";i.nodeProperty=h;const l=r.build(t,"bool");t.addFlowCode(`\n${t.tab}if ( ${l} ) {\n\n`).addFlowTab();let u=n.build(t,s);if(u&&(u=a?h+" = "+u+";":"return "+u+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+u+"\n\n"+t.tab+"}"),null!==o){t.addFlowCode(" else {\n\n").addFlowTab();let e=o.build(t,s);e&&(e=a?h+" = "+e+";":"return "+e+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+e+"\n\n"+t.tab+"}\n\n")}else t.addFlowCode("\n\n");return t.format(h,s,e)}}const Dv=Yp(Vv);vp("cond",Dv),ap("CondNode",Vv);const kv=im(1),Gv=im(-2),Wv=im(.8),jv=im(-1),Hv=im(.4),qv=im(2),$v=im(.305),Xv=im(3),Yv=im(.21),Jv=im(4),Zv=im(4),Qv=im(16),Kv=Zp((([t])=>{const e=cm(iy(t)).toVar(),s=im(-1).toVar();return tm(e.x.greaterThan(e.z),(()=>{tm(e.x.greaterThan(e.y),(()=>{s.assign(Dv(t.x.greaterThan(0),0,3))})).else((()=>{s.assign(Dv(t.y.greaterThan(0),1,4))}))})).else((()=>{tm(e.z.greaterThan(e.y),(()=>{s.assign(Dv(t.z.greaterThan(0),2,5))})).else((()=>{s.assign(Dv(t.y.greaterThan(0),1,4))}))})),s})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),tT=Zp((([t,e])=>{const s=am().toVar();return tm(e.equal(0),(()=>{s.assign(am(t.z,t.y).div(iy(t.x)))})).elseif(e.equal(1),(()=>{s.assign(am(t.x.negate(),t.z.negate()).div(iy(t.y)))})).elseif(e.equal(2),(()=>{s.assign(am(t.x.negate(),t.y).div(iy(t.z)))})).elseif(e.equal(3),(()=>{s.assign(am(t.z.negate(),t.y).div(iy(t.x)))})).elseif(e.equal(4),(()=>{s.assign(am(t.x.negate(),t.z).div(iy(t.y)))})).else((()=>{s.assign(am(t.x,t.y).div(iy(t.z)))})),df(.5,s.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),eT=Zp((([t])=>{const e=im(0).toVar();return tm(t.greaterThanEqual(Wv),(()=>{e.assign(kv.sub(t).mul(jv.sub(Gv)).div(kv.sub(Wv)).add(Gv))})).elseif(t.greaterThanEqual(Hv),(()=>{e.assign(Wv.sub(t).mul(qv.sub(jv)).div(Wv.sub(Hv)).add(jv))})).elseif(t.greaterThanEqual($v),(()=>{e.assign(Hv.sub(t).mul(Xv.sub(qv)).div(Hv.sub($v)).add(qv))})).elseif(t.greaterThanEqual(Yv),(()=>{e.assign($v.sub(t).mul(Jv.sub(Xv)).div($v.sub(Yv)).add(Xv))})).else((()=>{e.assign(im(-2).mul(jf(df(1.16,t))))})),e})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),sT=Zp((([t,e])=>{const s=t.toVar();s.assign(df(2,s).sub(1));const i=cm(s,1).toVar();return tm(e.equal(0),(()=>{i.assign(i.zyx)})).elseif(e.equal(1),(()=>{i.assign(i.xzy),i.xz.mulAssign(-1)})).elseif(e.equal(2),(()=>{i.x.mulAssign(-1)})).elseif(e.equal(3),(()=>{i.assign(i.zyx),i.xz.mulAssign(-1)})).elseif(e.equal(4),(()=>{i.assign(i.xzy),i.xy.mulAssign(-1)})).elseif(e.equal(5),(()=>{i.z.mulAssign(-1)})),i})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),iT=Zp((([t,e,s,i,r,n])=>{const o=im(s),a=cm(e),h=Fy(eT(o),Gv,n),l=Jf(h),u=$f(h),c=cm(rT(t,a,u,i,r,n)).toVar();return tm(l.notEqual(0),(()=>{const e=cm(rT(t,a,u.add(1),i,r,n)).toVar();c.assign(Py(c,e,l))})),c})),rT=Zp((([t,e,s,i,r,n])=>{const o=im(s).toVar(),a=cm(e),h=im(Kv(a)).toVar(),l=im(xy(Zv.sub(o),0)).toVar();o.assign(xy(o,Zv));const u=im(Gf(o)).toVar(),c=am(tT(a,h).mul(u.sub(2)).add(1)).toVar();return tm(h.greaterThan(2),(()=>{c.y.addAssign(u),h.subAssign(3)})),c.x.addAssign(h.mul(u)),c.x.addAssign(l.mul(df(3,Qv))),c.y.addAssign(df(4,Gf(n).sub(u))),c.x.mulAssign(i),c.y.mulAssign(r),t.uv(c).grad(am(),am())})),nT=Zp((({envMap:t,mipInt:e,outputDirection:s,theta:i,axis:r,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const h=Qf(i),l=s.mul(h).add(r.cross(s).mul(Zf(i))).add(r.mul(r.dot(s).mul(h.oneMinus())));return rT(t,l,e,n,o,a)})),oT=Zp((({n:t,latitudinal:e,poleAxis:s,outputDirection:i,weights:r,samples:n,dTheta:o,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})=>{const d=cm(Dv(e,s,My(s,i))).toVar();tm(Of(d.equals(cm(0))),(()=>{d.assign(cm(i.z,0,i.x.negate()))})),d.assign(Yf(d));const p=cm().toVar();return p.addAssign(r.element(rm(0)).mul(nT({theta:0,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),nv({start:rm(1),end:t},(({i:t})=>{tm(t.greaterThanEqual(n),(()=>{av()}));const e=im(o.mul(im(t))).toVar();p.addAssign(r.element(t).mul(nT({theta:e.mul(-1),axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),p.addAssign(r.element(t).mul(nT({theta:e,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})))})),gm(p,1)}));let aT=null;const hT=new WeakMap;class lT extends lp{constructor(t,e=null,s=null){super("vec3"),this._value=t,this._pmrem=null,this.uvNode=e,this.levelNode=s,this._generator=null,this._texture=tx(null),this._width=nf(0),this._height=nf(0),this._maxMip=nf(0),this.updateBeforeType=Hd.RENDER}set value(t){this._value=t,this._pmrem=null}get value(){return this._value}updateFromTexture(t){const e=function(t){const e=Math.log2(t)-2,s=1/t;return{texelWidth:1/(3*Math.max(Math.pow(2,e),112)),texelHeight:s,maxMip:e}}(t.image.height);this._texture.value=t,this._width.value=e.texelWidth,this._height.value=e.texelHeight,this._maxMip.value=e.maxMip}updateBefore(){let t=this._pmrem;const e=t?t.pmremVersion:-1,s=this._value;e!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:function(t){let e=hT.get(t);if((void 0!==e?e.pmremVersion:-1)!==t.pmremVersion){if(t.isCubeTexture){if(t.source.data.some((t=>void 0===t)))throw new Error("PMREMNode: Undefined texture in CubeTexture. Use onLoad callback or async loader");e=aT.fromCubemap(t,e)}else{if(void 0===t.image)throw new Error("PMREMNode: Undefined image in Texture. Use onLoad callback or async loader");e=aT.fromEquirectangular(t,e)}e.pmremVersion=t.pmremVersion,hT.set(t,e)}return e.texture}(s),this._pmrem=t,this.updateFromTexture(t))}setup(t){null===aT&&(aT=t.createPMREMGenerator()),this.updateBefore(t);let e=this.uvNode;null===e&&t.context.getUV&&(e=t.context.getUV(this));const s=this.value;t.renderer.coordinateSystem===zs&&!0!==s.isPMREMTexture&&!0===s.isRenderTargetTexture&&(e=cm(e.x.negate(),e.yz));let i=this.levelNode;return null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),iT(this._texture,e,i,this._width,this._height,this._maxMip)}}const uT=Yp(lT);ap("PMREMNode",lT);const cT=new WeakMap;class dT extends yv{constructor(t=null){super(),this.envNode=t}setup(t){let e=this.envNode;if(e.isTextureNode){let t=cT.get(e.value);void 0===t&&(t=uT(e.value),cT.set(e.value,t)),e=t}const{material:s}=t,i=s.envMap?ux("envMapIntensity","float",t.material):ux("environmentIntensity","float",t.scene),r=!0===s.useAnisotropy||s.anisotropy>0,n=$m(e,pT(mg,r?Lv:Hx)).mul(i),o=$m(e,mT(qx)).mul(Math.PI).mul(i),a=Hm(n),h=Hm(o);t.context.radiance.addAssign(a),t.context.iblIrradiance.addAssign(h);const l=t.context.lightingModel.clearcoatRadiance;if(l){const t=$m(e,pT(yg,$x)).mul(i),s=Hm(t);l.addAssign(s)}}}const pT=(t,e)=>{let s=null;return{getUV:()=>(null===s&&(s=zb.negate().reflect(e),s=t.mul(t).mix(s,e).normalize(),s=s.transformDirection(vx)),s),getTextureLevel:()=>t}},mT=t=>({getUV:()=>t,getTextureLevel:()=>im(1)});ap("EnvironmentNode",dT);class gT extends yv{constructor(t){super(),this.node=t}setup(t){t.context.irradiance.addAssign(this.node)}}let fT,yT;ap("IrradianceNode",gT);class xT extends op{constructor(t){super(),this.scope=t,this.isViewportNode=!0}getNodeType(){return this.scope===xT.VIEWPORT?"vec4":this.scope===xT.COORDINATE?"vec3":"vec2"}getUpdateType(){let t=Hd.NONE;return this.scope!==xT.RESOLUTION&&this.scope!==xT.VIEWPORT||(t=Hd.RENDER),this.updateType=t,t}update({renderer:t}){this.scope===xT.VIEWPORT?t.getViewport(yT):t.getDrawingBufferSize(fT)}setup(){const t=this.scope;let e=null;if(t===xT.RESOLUTION)e=nf(fT||(fT=new Zs));else if(t===xT.VIEWPORT)e=nf(yT||(yT=new vi));else{e=bT.div(vT);let s=e.x,i=e.y;/bottom/i.test(t)&&(i=i.oneMinus()),/right/i.test(t)&&(s=s.oneMinus()),e=am(s,i)}return e}generate(t){if(this.scope===xT.COORDINATE){let e=t.getFragCoord();if(t.isFlipY()){const s=t.getNodeProperties(vT).outputNode.build(t);e=`${t.getType("vec3")}( ${e}.x, ${s}.y - ${e}.y, ${e}.z )`}return e}return super.generate(t)}}xT.COORDINATE="coordinate",xT.RESOLUTION="resolution",xT.VIEWPORT="viewport",xT.TOP_LEFT="topLeft",xT.BOTTOM_LEFT="bottomLeft",xT.TOP_RIGHT="topRight",xT.BOTTOM_RIGHT="bottomRight";const bT=Jp(xT,xT.COORDINATE),vT=Jp(xT,xT.RESOLUTION),TT=Jp(xT,xT.VIEWPORT),_T=Jp(xT,xT.TOP_LEFT),wT=Jp(xT,xT.BOTTOM_LEFT),ST=Jp(xT,xT.TOP_RIGHT),MT=Jp(xT,xT.BOTTOM_RIGHT);ap("ViewportNode",xT);const AT=new Zs;class NT extends Ky{constructor(t=_T,e=null,s=null){null===s&&((s=new qa).minFilter=St),super(s,t,e),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Hd.FRAME}updateBefore(t){const e=t.renderer;e.getDrawingBufferSize(AT);const s=this.value;s.image.width===AT.width&&s.image.height===AT.height||(s.image.width=AT.width,s.image.height=AT.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,e.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const t=new this.constructor(this.uvNode,this.levelNode,this.value);return t.generateMipmaps=this.generateMipmaps,t}}const RT=Yp(NT),CT=Yp(NT,null,null,{generateMipmaps:!0});vp("viewportTexture",RT),vp("viewportMipTexture",CT),ap("ViewportTextureNode",NT);let ET=null;class BT extends NT{constructor(t=_T,e=null){null===ET&&(ET=new Za),super(t,e,ET)}}const IT=Yp(BT);vp("viewportDepthTexture",IT),ap("ViewportDepthTextureNode",BT);class PT extends op{constructor(t,e=null){super("float"),this.scope=t,this.valueNode=e,this.isViewportDepthNode=!0}generate(t){const{scope:e}=this;return e===PT.DEPTH?t.getFragDepth():super.generate(t)}setup({camera:t}){const{scope:e}=this,s=this.valueNode;let i=null;if(e===PT.DEPTH)i=null!==s?LT().assign(s):t.isPerspectiveCamera?OT(Ob.z,gx,fx):FT(Ob.z,gx,fx);else if(e===PT.LINEAR_DEPTH)if(null!==s)if(t.isPerspectiveCamera){const t=zT(s,gx,fx);i=FT(t,gx,fx)}else i=s;else i=FT(Ob.z,gx,fx);return i}}const FT=(t,e,s)=>t.add(e).div(e.sub(s)),UT=(t,e,s)=>e.sub(s).mul(t).sub(e),OT=(t,e,s)=>e.add(t).mul(s).div(s.sub(e).mul(t)),zT=(t,e,s)=>e.mul(s).div(s.sub(e).mul(t).sub(s));PT.DEPTH="depth",PT.LINEAR_DEPTH="linearDepth";const LT=Yp(PT,PT.DEPTH),VT=Jp(PT,PT.DEPTH),DT=Yp(PT,PT.LINEAR_DEPTH),kT=DT(IT());VT.assign=t=>LT(t),ap("ViewportDepthNode",PT);class GT extends op{constructor(t=GT.DEFAULT){super(),this.scope=t}setup(t){super.setup(t);const e=t.clippingContext,{localClipIntersection:s,localClippingCount:i,globalClippingCount:r}=e,n=r+i,o=s?n-i:n;return this.scope===GT.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(e.planes,n,o):this.setupDefault(e.planes,n,o)}setupAlphaToCoverage(t,e,s){return Zp((()=>{const i=ax(t),r=cg("float","distanceToPlane"),n=cg("float","distanceToGradient"),o=cg("float","clipOpacity");let a;if(o.assign(1),nv(s,(({i:t})=>{a=i.element(t),r.assign(Ob.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),o.mulAssign(zy(n.negate(),n,r)),o.equal(0).discard()})),s{a=i.element(e),r.assign(Ob.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),t.mulAssign(zy(n.negate(),n,r).oneMinus())})),o.mulAssign(t.oneMinus())}pg.a.mulAssign(o),pg.a.equal(0).discard()}))()}setupDefault(t,e,s){return Zp((()=>{const i=ax(t);let r;if(nv(s,(({i:t})=>{r=i.element(t),Ob.dot(r.xyz).greaterThan(r.w).discard()})),s{r=i.element(e),t.assign(Ob.dot(r.xyz).greaterThan(r.w).and(t))})),t.discard()}}))()}}GT.ALPHA_TO_COVERAGE="alphaToCoverage",GT.DEFAULT="default";class WT extends op{constructor(){super("bool"),this.isFrontFacingNode=!0}generate(t){const{renderer:e,material:s}=t;return e.coordinateSystem===zs&&s.side===d?"false":t.getFrontFacing()}}const jT=Jp(WT),HT=im(jT).mul(2).sub(1);ap("FrontFacingNode",WT);const qT=new Map;class $T extends Jr{constructor(){super(),this.isNodeMaterial=!0,this.type=this.constructor.type,this.forceSinglePass=!1,this.fog=!0,this.lights=!0,this.normals=!0,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.depthNode=null,this.shadowNode=null,this.shadowPositionNode=null,this.outputNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+Zd(this)}build(t){this.setup(t)}setup(t){let e;t.addStack(),t.stack.outputNode=this.vertexNode||this.setupPosition(t),t.addFlow("vertex",t.removeStack()),t.addStack();const s=this.setupClipping(t);if(!0===this.depthWrite&&this.setupDepth(t),null===this.fragmentNode){!0===this.normals&&this.setupNormal(t),this.setupDiffuseColor(t),this.setupVariants(t);const i=this.setupLighting(t);null!==s&&t.stack.add(s);const r=gm(i,pg.a).max(0);e=this.setupOutput(t,r),Eg.assign(e),null!==this.outputNode&&(e=this.outputNode)}else{let s=this.fragmentNode;!0!==s.isOutputStructNode&&(s=gm(s)),e=this.setupOutput(t,s)}t.stack.outputNode=e,t.addFlow("fragment",t.removeStack())}setupClipping(t){if(null===t.clippingContext)return null;const{globalClippingCount:e,localClippingCount:s}=t.clippingContext;let i=null;return(e||s)&&(this.alphaToCoverage?i=qp(new GT(GT.ALPHA_TO_COVERAGE)):t.stack.add(qp(new GT))),i}setupDepth(t){const{renderer:e}=t;let s=this.depthNode;if(null===s&&!0===e.logarithmicDepthBuffer){s=Vb().w.add(1).log2().mul(yx).mul(.5)}null!==s&&VT.assign(s).append()}setupPosition(t){const{object:e}=t,s=e.geometry;if(t.addStack(),(s.morphAttributes.position||s.morphAttributes.normal||s.morphAttributes.color)&&dv(e).append(),!0===e.isSkinnedMesh&&iv(e).append(),this.displacementMap){const t=px("displacementMap","texture"),e=px("displacementScale","float"),s=px("displacementBias","float");Pb.addAssign(Gx.normalize().mul(t.x.mul(e).add(s)))}e.isBatchedMesh&&tv(e).append(),e.instanceMatrix&&!0===e.instanceMatrix.isInstancedBufferAttribute&&qb(e).append(),null!==this.positionNode&&Pb.assign(this.positionNode);const i=Vb();return t.context.vertex=t.removeStack(),t.context.mvp=i,i}setupDiffuseColor({object:t,geometry:e}){let s=this.colorNode?gm(this.colorNode):Zx;if(!0===this.vertexColors&&e.hasAttribute("color")&&(s=gm(s.xyz.mul(km("color","vec3")),s.a)),t.instanceColor){s=dg("vec3","vInstanceColor").mul(s)}pg.assign(s);const i=this.opacityNode?im(this.opacityNode):tb;if(pg.a.assign(pg.a.mul(i)),null!==this.alphaTestNode||this.alphaTest>0){const t=null!==this.alphaTestNode?im(this.alphaTestNode):Jx;pg.a.lessThanEqual(t).discard()}!1===this.transparent&&1===this.blending&&!1===this.alphaToCoverage&&pg.a.assign(1)}setupVariants(){}setupNormal(){if(!0===this.flatShading){const t=Ob.dFdx().cross(Ob.dFdy()).normalize();Hx.assign(t.mul(HT))}else{const t=this.normalNode?cm(this.normalNode):hb;Hx.assign(t.mul(HT))}}getEnvNode(t){let e=null;return this.envNode?e=this.envNode:this.envMap?e=this.envMap.isCubeTexture?fv(this.envMap):tx(this.envMap):t.environmentNode&&(e=t.environmentNode),e}setupLights(t){const e=this.getEnvNode(t),s=[];if(e&&s.push(new dT(e)),t.material.lightMap&&s.push(new gT(px("lightMap","texture"))),null!==this.aoNode||t.material.aoMap){const e=null!==this.aoNode?this.aoNode:tx(t.material.aoMap);s.push(new Mv(e))}let i=this.lightsNode||t.lightsNode;return s.length>0&&(i=wv([...i.lightNodes,...s])),i}setupLightingModel(){}setupLighting(t){const{material:e}=t,{backdropNode:s,backdropAlphaNode:i,emissiveNode:r}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(t):null;let o=pg.rgb;if(n&&!1!==n.hasLight){const e=this.setupLightingModel(t);o=Nv(n,e,s,i)}else null!==s&&(o=cm(null!==i?Py(o,s,i):s));return(r&&!0===r.isNode||e.emissive&&!0===e.emissive.isColor)&&(o=o.add(cm(r||Kx))),o}setupOutput(t,e){if(!0===this.fog){const s=t.fogNode;s&&(e=gm(s.mix(e.rgb,s.colorNode),e.a))}return e}setDefaultValues(t){for(const e in t){const s=t[e];void 0===this[e]&&(this[e]=s,s&&s.clone&&(this[e]=s.clone()))}const e=Object.getOwnPropertyDescriptors(t.constructor.prototype);for(const t in e)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,t)&&void 0!==e[t].get&&Object.defineProperty(this.constructor.prototype,t,e[t])}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{},nodes:{}});const s=Jr.prototype.toJSON.call(this,t),i=Qd(this);s.inputNodes={};for(const{property:e,childNode:r}of i)s.inputNodes[e]=r.toJSON(t).uuid;function r(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(e){const e=r(t.textures),i=r(t.images),n=r(t.nodes);e.length>0&&(s.textures=e),i.length>0&&(s.images=i),n.length>0&&(s.nodes=n)}return s}copy(t){return this.lightsNode=t.lightsNode,this.envNode=t.envNode,this.colorNode=t.colorNode,this.normalNode=t.normalNode,this.opacityNode=t.opacityNode,this.backdropNode=t.backdropNode,this.backdropAlphaNode=t.backdropAlphaNode,this.alphaTestNode=t.alphaTestNode,this.positionNode=t.positionNode,this.depthNode=t.depthNode,this.shadowNode=t.shadowNode,this.shadowPositionNode=t.shadowPositionNode,this.outputNode=t.outputNode,this.fragmentNode=t.fragmentNode,this.vertexNode=t.vertexNode,super.copy(t)}static fromMaterial(t){if(!0===t.isNodeMaterial)return t;const e=YT(t.type.replace("Material","NodeMaterial"));if(void 0===e)throw new Error(`NodeMaterial: Material "${t.type}" is not compatible.`);for(const s in t)e[s]=t[s];return e}}function XT(t,e){if("function"!=typeof e||!t)throw new Error(`Node material ${t} is not a class`);qT.has(t)?console.warn(`Redefinition of node material ${t}`):(qT.set(t,e),e.type=t)}function YT(t){const e=qT.get(t);if(void 0!==e)return new e}XT("NodeMaterial",$T);class JT{constructor(t,e){this.name=t,this.value=e,this.boundary=0,this.itemSize=0,this.offset=0}setValue(t){this.value=t}getValue(){return this.value}}class ZT extends JT{constructor(t,e=0){super(t,e),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class QT extends JT{constructor(t,e=new Zs){super(t,e),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class KT extends JT{constructor(t,e=new Ri){super(t,e),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class t_ extends JT{constructor(t,e=new vi){super(t,e),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class e_ extends JT{constructor(t,e=new $r){super(t,e),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class s_ extends JT{constructor(t,e=new Qs){super(t,e),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class i_ extends JT{constructor(t,e=new rr){super(t,e),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class r_ extends ZT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class n_ extends QT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class o_ extends KT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class a_ extends t_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class h_ extends e_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class l_ extends s_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class u_ extends i_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class c_ extends op{constructor(t=null){super(),this.nodes=[],this.outputNode=null,this.parent=t,this._currentCond=null,this.isStackNode=!0}getNodeType(t){return this.outputNode?this.outputNode.getNodeType(t):"void"}add(t){return this.nodes.push(t),this}if(t,e){const s=new Hp(e);return this._currentCond=Dv(t,s),this.add(this._currentCond)}elseif(t,e){const s=new Hp(e),i=Dv(t,s);return this._currentCond.elseNode=i,this._currentCond=i,this}else(t){return this._currentCond.elseNode=new Hp(t),this}build(t,...e){const s=Kp();Qp(this);for(const e of this.nodes)e.build(t,"void");return Qp(s),this.outputNode?this.outputNode.build(t,...e):super.build(t,...e)}}const d_=Yp(c_);ap("StackNode",c_);class p_ extends lp{constructor(t=Ub){super("vec2"),this.dirNode=t}setup(){const t=this.dirNode,e=t.z.atan2(t.x).mul(1/(2*Math.PI)).add(.5),s=t.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return am(e,s)}}const m_=Yp(p_);ap("EquirectUVNode",p_);class g_ extends to{constructor(t=1,e={}){super(t,e),this.isCubeRenderTarget=!0}fromEquirectangularTexture(t,e){const s=e.minFilter,i=e.generateMipmaps;e.generateMipmaps=!0,this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const r=new Wn(5,5,5),n=m_(Ub),o=YT("MeshBasicNodeMaterial");o.colorNode=tx(e,n,0),o.side=d,o.blending=m;const a=new kn(r,o),h=new io;h.add(a),e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,h),e.minFilter=s,e.currentGenerateMipmaps=i,a.geometry.dispose(),a.material.dispose(),this}}const f_=[.125,.215,.35,.446,.526,.582],y_=20,x_=new Au(-1,1,1,-1,0,1),b_=new Jn(90,1),v_=new $r;let T_=null,__=0,w_=0;const S_=(1+Math.sqrt(5))/2,M_=1/S_,A_=[new Ri(-S_,M_,0),new Ri(S_,M_,0),new Ri(-M_,0,S_),new Ri(M_,0,S_),new Ri(0,S_,-M_),new Ri(0,S_,M_),new Ri(-1,1,-1),new Ri(1,1,-1),new Ri(-1,1,1),new Ri(1,1,1)],N_=[3,1,5,0,4,2],R_=sT(of(),km("faceIndex")).normalize(),C_=cm(R_.x,R_.y.negate(),R_.z);class E_{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}fromScene(t,e=0,s=.1,i=100){T_=this._renderer.getRenderTarget(),__=this._renderer.getActiveCubeFace(),w_=this._renderer.getActiveMipmapLevel(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,s,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=F_(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=U_(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?h=f_[a-t+4-1]:0===a&&(h=0),i.push(h);const l=1/(o-2),u=-l,c=1+l,d=[u,u,c,u,c,c,u,u,c,c,u,c],p=6,m=6,g=3,f=2,y=1,x=new Float32Array(g*m*p),b=new Float32Array(f*m*p),v=new Float32Array(y*m*p);for(let t=0;t2?0:-1,i=[e,s,0,e+2/3,s,0,e+2/3,s+1,0,e,s,0,e+2/3,s+1,0,e,s+1,0],r=N_[t];x.set(i,g*m*r),b.set(d,f*m*r);const n=[r,r,r,r,r,r];v.set(n,y*m*r)}const T=new wn;T.setAttribute("position",new on(x,g)),T.setAttribute("uv",new on(b,f)),T.setAttribute("faceIndex",new on(v,y)),e.push(T),r.push(new kn(T,null)),n>4&&n--}return{lodPlanes:e,sizeLods:s,sigmas:i,lodMeshes:r}}(i)),this._blurMaterial=function(t,e,s){const i=ax(new Array(y_).fill(0)),r=nf(new Ri(0,1,0)),n=nf(0),o=im(y_),a=nf(0),h=nf(1),l=tx(null),u=nf(0),c=im(1/e),d=im(1/s),p=im(t),m={n:o,latitudinal:a,weights:i,poleAxis:r,outputDirection:C_,dTheta:n,samples:h,envMap:l,mipInt:u,CUBEUV_TEXEL_WIDTH:c,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:p},g=P_();return g.uniforms=m,g.fragmentNode=oT({...m,latitudinal:a.equal(1)}),g}(i,t,e)}return i}_compileMaterial(t){const e=this._lodMeshes[0];e.material=t,this._renderer.compile(e,x_)}_sceneToCubeUV(t,e,s,i){const r=b_;r.near=e,r.far=s;const n=[-1,1,-1,-1,-1,-1],o=[1,1,1,-1,-1,-1],a=this._renderer,h=a.autoClear;a.getClearColor(v_),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const t=new Zr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1});l=new kn(new Wn,t)}let u=!1;const c=t.background;c?c.isColor&&(l.material.color.copy(c),t.background=null,u=!0):(l.material.color.copy(v_),u=!0),a.setRenderTarget(i),a.clear(),u&&a.render(l,r);for(let e=0;e<6;e++){const s=e%3;0===s?(r.up.set(0,n[e],0),r.lookAt(o[e],0,0)):1===s?(r.up.set(0,0,n[e]),r.lookAt(0,o[e],0)):(r.up.set(0,n[e],0),r.lookAt(0,0,o[e]));const h=this._cubeSize;I_(i,s*h,e>2?h:0,h,h),a.render(t,r)}a.autoClear=h,t.background=c}_textureToCubeUV(t,e){const s=this._renderer,i=t.mapping===ht||t.mapping===lt;i?null===this._cubemapMaterial&&(this._cubemapMaterial=F_(t)):null===this._equirectMaterial&&(this._equirectMaterial=U_(t));const r=i?this._cubemapMaterial:this._equirectMaterial;r.fragmentNode.value=t;const n=this._lodMeshes[0];n.material=r;const o=this._cubeSize;I_(e,0,0,3*o,2*o),s.setRenderTarget(e),s.render(n,x_)}_applyPMREM(t){const e=this._renderer,s=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;ey_&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const g=[];let f=0;for(let t=0;ty-4?i-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(e),a.render(l,x_)}}function B_(t,e,s){const i=new Ti(t,e,s);return i.texture.mapping=306,i.texture.name="PMREM.cubeUv",i.texture.isPMREMTexture=!0,i.scissorTest=!0,i}function I_(t,e,s,i,r){const n=t.height-r-s;t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function P_(){const t=new $T;return t.depthTest=!1,t.depthWrite=!1,t.blending=m,t}function F_(t){const e=P_();return e.fragmentNode=fv(t,C_),e}function U_(t){const e=P_();return e.fragmentNode=tx(t,m_(C_),0),e}let O_=0;class z_{constructor(t="",e=[]){this.name=t,this.bindings=e,this.id=O_++}}const L_=new WeakMap,V_=new Map([[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),D_=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),k_=t=>(t=Number(t))+(t%1?"":".0");class G_{constructor(t,e,s){this.object=t,this.material=t&&t.material||null,this.geometry=t&&t.geometry||null,this.renderer=e,this.parser=s,this.scene=null,this.camera=null,this.nodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=d_(),this.stacks=[],this.tab="\t",this.instanceBindGroups=!0,this.currentFunctionNode=null,this.context={keywords:new ag,material:this.material},this.cache=new lg,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null}getBingGroupsCache(){let t=L_.get(this.renderer);return void 0===t&&(t=new vd,L_.set(this.renderer,t)),t}createRenderTarget(t,e,s){return new Ti(t,e,s)}createCubeRenderTarget(t,e){return new g_(t,e)}createPMREMGenerator(){return new E_(this.renderer)}includes(t){return this.nodes.includes(t)}_getBindGroup(t,e){const s=this.getBingGroupsCache(),i=[];let r,n=!0;for(const t of e)if(!0===t.groupNode.shared){const e=t.getNodes();let r=s.get(e);void 0===r&&(s.set(e,t),r=t),i.push(r)}else i.push(t),n=!1;return n?(r=s.get(i),void 0===r&&(r=new z_(t,i),s.set(i,r))):r=new z_(t,i),r}getBindGroupArray(t,e){const s=this.bindings[e];let i=s[t];return void 0===i&&(void 0===this.bindingsIndexes[t]&&(this.bindingsIndexes[t]={binding:0,group:Object.keys(this.bindingsIndexes).length}),s[t]=i=[]),i}getBindings(){let t=this.bindGroups;if(null===t){const e={},s=this.bindings;for(const t of Yd)for(const i in s[t]){const r=s[t][i];(e[i]||(e[i]=[])).push(...r)}t=[];for(const s in e){const i=e[s],r=this._getBindGroup(s,i);t.push(r)}this.bindGroups=t}return t}setHashNode(t,e){this.hashNodes[e]=t}addNode(t){!1===this.nodes.includes(t)&&(this.nodes.push(t),this.setHashNode(t,t.getHash(this)))}buildUpdateNodes(){for(const t of this.nodes){const e=t.getUpdateType(),s=t.getUpdateBeforeType(),i=t.getUpdateAfterType();e!==Hd.NONE&&this.updateNodes.push(t.getSelf()),s!==Hd.NONE&&this.updateBeforeNodes.push(t),i!==Hd.NONE&&this.updateAfterNodes.push(t)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(t){return t.magFilter===Tt||t.magFilter===_t||t.magFilter===bt||t.magFilter===St||t.minFilter===Tt||t.minFilter===_t||t.minFilter===bt||t.minFilter===St}addChain(t){this.chaining.push(t)}removeChain(t){if(this.chaining.pop()!==t)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(t){return t}getNodeFromHash(t){return this.hashNodes[t]}addFlow(t,e){return this.flowNodes[t].push(e),e}setContext(t){this.context=t}getContext(){return this.context}setCache(t){this.cache=t}getCache(){return this.cache}getCacheFromNode(t,e=!0){const s=this.getDataFromNode(t);return void 0===s.cache&&(s.cache=new lg(e?this.getCache():null)),s.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract function.")}getFragCoord(){console.warn("Abstract function.")}isFlipY(){return!1}generateTexture(){console.warn("Abstract function.")}generateTextureLod(){console.warn("Abstract function.")}generateConst(t,e=null){if(null===e&&("float"===t||"int"===t||"uint"===t?e=0:"bool"===t?e=!1:"color"===t?e=new $r:"vec2"===t?e=new Zs:"vec3"===t?e=new Ri:"vec4"===t&&(e=new vi)),"float"===t)return k_(e);if("int"===t)return`${Math.round(e)}`;if("uint"===t)return e>=0?`${Math.round(e)}u`:"0u";if("bool"===t)return e?"true":"false";if("color"===t)return`${this.getType("vec3")}( ${k_(e.r)}, ${k_(e.g)}, ${k_(e.b)} )`;const s=this.getTypeLength(t),i=this.getComponentType(t),r=t=>this.generateConst(i,t);if(2===s)return`${this.getType(t)}( ${r(e.x)}, ${r(e.y)} )`;if(3===s)return`${this.getType(t)}( ${r(e.x)}, ${r(e.y)}, ${r(e.z)} )`;if(4===s)return`${this.getType(t)}( ${r(e.x)}, ${r(e.y)}, ${r(e.z)}, ${r(e.w)} )`;if(s>4&&e&&(e.isMatrix3||e.isMatrix4))return`${this.getType(t)}( ${e.elements.map(r).join(", ")} )`;if(s>4)return`${this.getType(t)}()`;throw new Error(`NodeBuilder: Type '${t}' not found in generate constant attempt.`)}getType(t){return"color"===t?"vec3":t}hasGeometryAttribute(t){return this.geometry&&void 0!==this.geometry.getAttribute(t)}getAttribute(t,e){const s=this.attributes;for(const e of s)if(e.name===t)return e;const i=new sg(t,e);return s.push(i),i}getPropertyName(t){return t.name}isVector(t){return/vec\d/.test(t)}isMatrix(t){return/mat\d/.test(t)}isReference(t){return"void"===t||"property"===t||"sampler"===t||"texture"===t||"cubeTexture"===t||"storageTexture"===t||"depthTexture"===t||"texture3D"===t}needsColorSpaceToLinear(){return!1}getComponentTypeFromTexture(t){const e=t.type;if(t.isDataTexture){if(e===Et)return"int";if(e===Bt)return"uint"}return"float"}getElementType(t){return"mat2"===t?"vec2":"mat3"===t?"vec3":"mat4"===t?"vec4":this.getComponentType(t)}getComponentType(t){if("float"===(t=this.getVectorType(t))||"bool"===t||"int"===t||"uint"===t)return t;const e=/(b|i|u|)(vec|mat)([2-4])/.exec(t);return null===e?null:"b"===e[1]?"bool":"i"===e[1]?"int":"u"===e[1]?"uint":"float"}getVectorType(t){return"color"===t?"vec3":"texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t?"vec4":t}getTypeFromLength(t,e="float"){if(1===t)return e;const s=V_.get(t);return("float"===e?"":e[0])+s}getTypeFromArray(t){return D_.get(t.constructor)}getTypeFromAttribute(t){let e=t;t.isInterleavedBufferAttribute&&(e=t.data);const s=e.array,i=t.itemSize,r=t.normalized;let n;return t instanceof mn||!0===r||(n=this.getTypeFromArray(s)),this.getTypeFromLength(i,n)}getTypeLength(t){const e=this.getVectorType(t),s=/vec([2-4])/.exec(e);return null!==s?Number(s[1]):"float"===e||"bool"===e||"int"===e||"uint"===e?1:!0===/mat2/.test(t)?4:!0===/mat3/.test(t)?9:!0===/mat4/.test(t)?16:0}getVectorFromMatrix(t){return t.replace("mat","vec")}changeComponentType(t,e){return this.getTypeFromLength(this.getTypeLength(t),e)}getIntegerType(t){const e=this.getComponentType(t);return"int"===e||"uint"===e?t:this.changeComponentType(t,"int")}addStack(){return this.stack=d_(this.stack),this.stacks.push(Kp()||this.stack),Qp(this.stack),this.stack}removeStack(){const t=this.stack;return this.stack=t.parent,Qp(this.stacks.pop()),t}getDataFromNode(t,e=this.shaderStage,s=null){let i=(s=null===s?t.isGlobal(this)?this.globalCache:this.cache:s).getData(t);return void 0===i&&(i={},s.setData(t,i)),void 0===i[e]&&(i[e]={}),i[e]}getNodeProperties(t,e="any"){const s=this.getDataFromNode(t,e);return s.properties||(s.properties={outputNode:null})}getBufferAttributeFromNode(t,e){const s=this.getDataFromNode(t);let i=s.bufferAttribute;if(void 0===i){const r=this.uniforms.index++;i=new sg("nodeAttribute"+r,e,t),this.bufferAttributes.push(i),s.bufferAttribute=i}return i}getStructTypeFromNode(t,e=this.shaderStage){const s=this.getDataFromNode(t,e);if(void 0===s.structType){const i=this.structs.index++;t.name=`StructType${i}`,this.structs[e].push(t),s.structType=t}return t}getUniformFromNode(t,e,s=this.shaderStage,i=null){const r=this.getDataFromNode(t,s,this.globalCache);let n=r.uniform;if(void 0===n){const o=this.uniforms.index++;n=new ig(i||"nodeUniform"+o,e,t),this.uniforms[s].push(n),r.uniform=n}return n}getVarFromNode(t,e=null,s=t.getNodeType(this),i=this.shaderStage){const r=this.getDataFromNode(t,i);let n=r.variable;if(void 0===n){const t=this.vars[i]||(this.vars[i]=[]);null===e&&(e="nodeVar"+t.length),n=new rg(e,s),t.push(n),r.variable=n}return n}getVaryingFromNode(t,e=null,s=t.getNodeType(this)){const i=this.getDataFromNode(t,"any");let r=i.varying;if(void 0===r){const t=this.varyings,n=t.length;null===e&&(e="nodeVarying"+n),r=new ng(e,s),t.push(r),i.varying=r}return r}getCodeFromNode(t,e,s=this.shaderStage){const i=this.getDataFromNode(t);let r=i.code;if(void 0===r){const t=this.codes[s]||(this.codes[s]=[]),n=t.length;r=new og("nodeCode"+n,e),t.push(r),i.code=r}return r}addLineFlowCode(t){return""===t||(t=this.tab+t,/;\s*$/.test(t)||(t+=";\n"),this.flow.code+=t),this}addFlowCode(t){return this.flow.code+=t,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(t){return this.flowsData.get(t)}flowNode(t){const e=t.getNodeType(this),s=this.flowChildNode(t,e);return this.flowsData.set(t,s),s}buildFunctionNode(t){const e=new $g,s=this.currentFunctionNode;return this.currentFunctionNode=e,e.code=this.buildFunctionCode(t),this.currentFunctionNode=s,e}flowShaderNode(t){const e=t.layout;let s;if(t.isArrayInput){s=[];for(const t of e.inputs)s.push(new Dg(t.type,t.name))}else{s={};for(const t of e.inputs)s[t.name]=new Dg(t.type,t.name)}t.layout=null;const i=t.call(s),r=this.flowStagesNode(i,e.type);return t.layout=e,r}flowStagesNode(t,e=null){const s=this.flow,i=this.vars,r=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new lg,this.stack=d_();for(const s of Xd)this.setBuildStage(s),a.result=t.build(this,e);return a.vars=this.getVars(this.shaderStage),this.flow=s,this.vars=i,this.cache=r,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(t,e=null){const s=this.flow,i={code:""};return this.flow=i,i.result=t.build(this,e),this.flow=s,i}flowNodeFromShaderStage(t,e,s=null,i=null){const r=this.shaderStage;this.setShaderStage(t);const n=this.flowChildNode(e,s);return null!==i&&(n.code+=`${this.tab+i} = ${n.result};\n`),this.flowCode[t]=this.flowCode[t]+n.code,this.setShaderStage(r),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(t,e){return`${this.getType(t)} ${e}`}getVars(t){let e="";const s=this.vars[t];if(void 0!==s)for(const t of s)e+=`${this.getVar(t.type,t.name)}; `;return e}getUniforms(){console.warn("Abstract function.")}getCodes(t){const e=this.codes[t];let s="";if(void 0!==e)for(const t of e)s+=t.code+"\n";return s}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(t){this.shaderStage=t}getShaderStage(){return this.shaderStage}setBuildStage(t){this.buildStage=t}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:t,material:e}=this;null!==e?$T.fromMaterial(e).build(this):this.addFlow("compute",t);for(const t of Xd){this.setBuildStage(t),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const e of Yd){this.setShaderStage(e);const s=this.flowNodes[e];for(const e of s)"generate"===t?this.flowNode(e):e.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(t,e){if("float"===e||"int"===e||"uint"===e)return new r_(t);if("vec2"===e||"ivec2"===e||"uvec2"===e)return new n_(t);if("vec3"===e||"ivec3"===e||"uvec3"===e)return new o_(t);if("vec4"===e||"ivec4"===e||"uvec4"===e)return new a_(t);if("color"===e)return new h_(t);if("mat3"===e)return new l_(t);if("mat4"===e)return new u_(t);throw new Error(`Uniform "${e}" not declared.`)}createNodeMaterial(t="NodeMaterial"){return YT(t)}format(t,e,s){if((e=this.getVectorType(e))===(s=this.getVectorType(s))||null===s||this.isReference(s))return t;const i=this.getTypeLength(e),r=this.getTypeLength(s);return i>4||r>4||0===r?t:i===r?`${this.getType(s)}( ${t} )`:i>r?this.format(`${t}.${"xyz".slice(0,r)}`,this.getTypeFromLength(r,this.getComponentType(e)),s):4===r&&i>1?`${this.getType(s)}( ${this.format(t,e,"vec3")}, 1.0 )`:2===i?`${this.getType(s)}( ${this.format(t,e,"vec2")}, 0.0 )`:(1===i&&r>1&&e!==this.getComponentType(s)&&(t=`${this.getType(this.getComponentType(s))}( ${t} )`),`${this.getType(s)}( ${t} )`)}getSignature(){return`// Three.js r${t} - Node System\n`}}class W_{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.startTime=null,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(t,e){let s=t.get(e);return void 0===s&&(s={renderMap:new WeakMap,frameMap:new WeakMap},t.set(e,s)),s}updateBeforeNode(t){const e=t.getUpdateBeforeType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.frameId&&!1!==t.updateBefore(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.renderId&&!1!==t.updateBefore(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateBefore(this)}updateAfterNode(t){const e=t.getUpdateAfterType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.frameId&&!1!==t.updateAfter(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.renderId&&!1!==t.updateAfter(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateAfter(this)}updateNode(t){const e=t.getUpdateType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.frameId&&!1!==t.update(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.renderId&&!1!==t.update(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class j_{constructor(t,e,s=null,i="",r=!1){this.type=t,this.name=e,this.count=s,this.qualifier=i,this.isConst=r}}j_.isNodeFunctionInput=!0;class H_ extends op{constructor(t){super(),this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}ap("StructTypeNode",H_);class q_ extends op{constructor(...t){super(),this.members=t,this.isOutputStructNode=!0}setup(t){super.setup(t);const e=this.members,s=[];for(let i=0;iAy(df(4,t.mul(cf(1,t))),e),Z_=(t,e)=>t.lessThan(.5)?J_(t.mul(2),e).div(2):cf(1,J_(df(cf(1,t),2),e).div(2)),Q_=(t,e,s)=>Ay(pf(Ay(t,e),uf(Ay(t,e),Ay(cf(1,t),s))),1/e),K_=(t,e)=>Zf(Ff.mul(e.mul(t).sub(1))).div(Ff.mul(e.mul(t).sub(1)));vp("parabola",J_),vp("gain",Z_),vp("pcurve",Q_),vp("sinc",K_);const tw=Zp((([t])=>t.fract().sub(.5).abs())),ew=Zp((([t])=>cm(tw(t.z.add(tw(t.y.mul(1)))),tw(t.z.add(tw(t.x.mul(1)))),tw(t.y.add(tw(t.x.mul(1))))))),sw=Zp((([t,e,s])=>{const i=cm(t).toVar(),r=im(1.4).toVar(),n=im(0).toVar(),o=cm(i).toVar();return nv({start:im(0),end:im(3),type:"float",condition:"<="},(()=>{const t=cm(ew(o.mul(2))).toVar();i.addAssign(t.add(s.mul(im(.1).mul(e)))),o.mulAssign(1.8),r.mulAssign(1.5),i.mulAssign(1.2);const a=im(tw(i.z.add(tw(i.x.add(tw(i.y)))))).toVar();n.addAssign(a.div(r)),o.addAssign(.14)})),n}));let iw;tw.setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),ew.setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),sw.setLayout({name:"triNoise3D",type:"float",inputs:[{name:"p",type:"vec3"},{name:"spd",type:"float"},{name:"time",type:"float"}]});class rw extends Vv{constructor(t){iw=iw||Jy("discard"),super(t,iw)}}const nw=Yp(rw),ow=t=>nw(t).append(),aw=()=>Jy("return").append();vp("discard",ow),ap("DiscardNode",rw);class hw extends op{constructor(t=[],...e){super(),this.functionNodes=t,this.parametersNodes=e,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(t){const e=this.parametersNodes;let s=this._candidateFnCall;if(null===s){let i=null,r=-1;for(const s of this.functionNodes){const n=s.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(e.length===o.length){let n=0;for(let s=0;sr&&(i=s,r=n)}}this._candidateFnCall=s=i(...e)}return s}}const lw=Yp(hw),uw=t=>(...e)=>lw(t,...e);ap("FunctionOverloadingNode",hw);class cw extends lp{constructor(){super("vec2")}setup(){const t=cm(zb.z,0,zb.x.negate()).normalize(),e=zb.cross(t);return am(t.dot(Hx),e.dot(Hx)).mul(.495).add(.5)}}const dw=Jp(cw);ap("MatcapUVNode",cw);class pw extends rf{constructor(t=pw.LOCAL,e=1,s=0){super(s),this.scope=t,this.scale=e,this.updateType=Hd.FRAME}update(t){const e=this.scope,s=this.scale;e===pw.LOCAL?this.value+=t.deltaTime*s:e===pw.DELTA?this.value=t.deltaTime*s:e===pw.FRAME?this.value=t.frameId:this.value=t.time*s}serialize(t){super.serialize(t),t.scope=this.scope,t.scale=this.scale}deserialize(t){super.deserialize(t),this.scope=t.scope,this.scale=t.scale}}pw.LOCAL="local",pw.GLOBAL="global",pw.DELTA="delta",pw.FRAME="frame";const mw=(t,e=0)=>qp(new pw(pw.LOCAL,t,e)),gw=(t,e=0)=>qp(new pw(pw.GLOBAL,t,e)),fw=(t,e=0)=>qp(new pw(pw.DELTA,t,e)),yw=Jp(pw,pw.FRAME).toUint();ap("TimerNode",pw);class xw extends op{constructor(t=xw.SINE,e=mw()){super(),this.method=t,this.timeNode=e}getNodeType(t){return this.timeNode.getNodeType(t)}setup(){const t=this.method,e=qp(this.timeNode);let s=null;return t===xw.SINE?s=e.add(.75).mul(2*Math.PI).sin().mul(.5).add(.5):t===xw.SQUARE?s=e.fract().round():t===xw.TRIANGLE?s=e.add(.5).fract().mul(2).sub(1).abs():t===xw.SAWTOOTH&&(s=e.fract()),s}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}xw.SINE="sine",xw.SQUARE="square",xw.TRIANGLE="triangle",xw.SAWTOOTH="sawtooth";const bw=Yp(xw,xw.SINE),vw=Yp(xw,xw.SQUARE),Tw=Yp(xw,xw.TRIANGLE),_w=Yp(xw,xw.SAWTOOTH);ap("OscNode",xw);class ww extends lp{constructor(t,e){super(),this.scope=t,this.node=e}getNodeType(t){return this.node.getNodeType(t)}setup(){const{scope:t,node:e}=this;let s=null;return t===ww.DIRECTION_TO_COLOR?s=e.mul(.5).add(.5):t===ww.COLOR_TO_DIRECTION&&(s=e.mul(2).sub(1)),s}}ww.DIRECTION_TO_COLOR="directionToColor",ww.COLOR_TO_DIRECTION="colorToDirection";const Sw=Yp(ww,ww.DIRECTION_TO_COLOR),Mw=Yp(ww,ww.COLOR_TO_DIRECTION);vp("directionToColor",Sw),vp("colorToDirection",Mw),ap("PackingNode",ww);class Aw extends op{constructor(t,e,s,i=im(0),r=im(1)){super(),this.node=t,this.inLowNode=e,this.inHighNode=s,this.outLowNode=i,this.outHighNode=r,this.doClamp=!0}setup(){const{node:t,inLowNode:e,inHighNode:s,outLowNode:i,outHighNode:r,doClamp:n}=this;let o=t.sub(e).div(s.sub(e));return!0===n&&(o=o.clamp()),o.mul(r.sub(i)).add(i)}}const Nw=Yp(Aw,null,null,{doClamp:!1}),Rw=Yp(Aw);vp("remap",Nw),vp("remapClamp",Rw),ap("RemapNode",Aw);class Cw extends lp{constructor(t,e,s=am(.5)){super("vec2"),this.uvNode=t,this.rotationNode=e,this.centerNode=s}setup(){const{uvNode:t,rotationNode:e,centerNode:s}=this;return t.sub(s).rotate(e).add(s)}}const Ew=Yp(Cw);vp("rotateUV",Ew),ap("RotateUVNode",Cw);class Bw extends lp{constructor(t,e){super(),this.positionNode=t,this.rotationNode=e}getNodeType(t){return this.positionNode.getNodeType(t)}setup(t){const{rotationNode:e,positionNode:s}=this;if("vec2"===this.getNodeType(t)){const t=e.cos(),i=e.sin();return bm(t,i,i.negate(),t).mul(s)}{const t=e,i=Nm(gm(1,0,0,0),gm(0,Qf(t.x),Zf(t.x).negate(),0),gm(0,Zf(t.x),Qf(t.x),0),gm(0,0,0,1)),r=Nm(gm(Qf(t.y),0,Zf(t.y),0),gm(0,1,0,0),gm(Zf(t.y).negate(),0,Qf(t.y),0),gm(0,0,0,1)),n=Nm(gm(Qf(t.z),Zf(t.z).negate(),0,0),gm(Zf(t.z),Qf(t.z),0,0),gm(0,0,1,0),gm(0,0,0,1));return i.mul(r).mul(n).mul(gm(s,1)).xyz}}}const Iw=Yp(Bw);vp("rotate",Iw),ap("RotateNode",Bw);class Pw extends op{constructor(t,e=of(),s=im(0)){super("vec2"),this.countNode=t,this.uvNode=e,this.frameNode=s}setup(){const{frameNode:t,uvNode:e,countNode:s}=this,{width:i,height:r}=s,n=t.mod(i.mul(r)).floor(),o=n.mod(i),a=r.sub(n.add(1).div(i).ceil()),h=s.reciprocal(),l=am(o,a);return e.add(l).mul(h)}}const Fw=Yp(Pw);ap("SpriteSheetUVNode",Pw);class Uw extends up{constructor(t,e){super(t,e),this.isStorageArrayElementNode=!0}set storageBufferNode(t){this.node=t}get storageBufferNode(){return this.node}setup(t){return!1===t.isAvailable("storageBuffer")&&(this.node.instanceIndex||!0!==this.node.bufferObject||t.setupPBO(this.node)),super.setup(t)}generate(t,e){let s;const i=t.context.assign;if(!1===t.isAvailable("storageBuffer")){const{node:e}=this;s=e.instanceIndex||!0!==this.node.bufferObject||!0===i?e.build(t):t.generatePBO(this)}else s=super.generate(t);if(!0!==i){const i=this.getNodeType(t);s=t.format(s,i,e)}return s}}const Ow=Yp(Uw);vp("storageElement",Ow),ap("StorageArrayElementNode",Uw);class zw extends op{constructor(t,e=null,s=null,i=im(1),r=Pb,n=Gx){super("vec4"),this.textureXNode=t,this.textureYNode=e,this.textureZNode=s,this.scaleNode=i,this.positionNode=r,this.normalNode=n}setup(){const{textureXNode:t,textureYNode:e,textureZNode:s,scaleNode:i,positionNode:r,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(cm(1)));const a=r.yz.mul(i),h=r.zx.mul(i),l=r.xy.mul(i),u=t.value,c=null!==e?e.value:u,d=null!==s?s.value:u,p=tx(u,a).mul(o.x),m=tx(c,h).mul(o.y),g=tx(d,l).mul(o.z);return uf(p,m,g)}}const Lw=Yp(zw),Vw=(...t)=>Lw(...t);vp("triplanarTexture",Vw),ap("TriplanarTexturesNode",zw);const Dw=new ta,kw=new Ri,Gw=new Ri,Ww=new Ri,jw=new rr,Hw=new Ri(0,0,-1),qw=new vi,$w=new Ri,Xw=new Ri,Yw=new vi,Jw=new Zs,Zw=new Ti,Qw=am(_T.x.oneMinus(),_T.y);let Kw=!1;class tS extends Ky{constructor(t={}){super(Zw.texture,Qw);const{target:e=new Br,resolution:s=1,generateMipmaps:i=!1,bounces:r=!0}=t;this.target=e,this.resolution=s,this.generateMipmaps=i,this.bounces=r,this.updateBeforeType=r?Hd.RENDER:Hd.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(t,e){const s=this.resolution;e.getDrawingBufferSize(Jw),t.setSize(Math.round(Jw.width*s),Math.round(Jw.height*s))}setup(t){return this._updateResolution(Zw,t.renderer),super.setup(t)}getTextureNode(){return this.textureNode}getVirtualCamera(t){let e=this.virtualCameras.get(t);return void 0===e&&(e=t.clone(),this.virtualCameras.set(t,e)),e}getRenderTarget(t){let e=this.renderTargets.get(t);return void 0===e&&(e=new Ti(0,0,{type:Pt}),!0===this.generateMipmaps&&(e.texture.minFilter=1008,e.texture.generateMipmaps=!0),this.renderTargets.set(t,e)),e}updateBefore(t){if(!1===this.bounces&&Kw)return!1;Kw=!0;const{scene:e,camera:s,renderer:i,material:r}=t,{target:n}=this,o=this.getVirtualCamera(s),a=this.getRenderTarget(o);if(i.getDrawingBufferSize(Jw),this._updateResolution(a,i),Gw.setFromMatrixPosition(n.matrixWorld),Ww.setFromMatrixPosition(s.matrixWorld),jw.extractRotation(n.matrixWorld),kw.set(0,0,1),kw.applyMatrix4(jw),$w.subVectors(Gw,Ww),$w.dot(kw)>0)return;$w.reflect(kw).negate(),$w.add(Gw),jw.extractRotation(s.matrixWorld),Hw.set(0,0,-1),Hw.applyMatrix4(jw),Hw.add(Ww),Xw.subVectors(Gw,Hw),Xw.reflect(kw).negate(),Xw.add(Gw),o.coordinateSystem=s.coordinateSystem,o.position.copy($w),o.up.set(0,1,0),o.up.applyMatrix4(jw),o.up.reflect(kw),o.lookAt(Xw),o.near=s.near,o.far=s.far,o.updateMatrixWorld(),o.projectionMatrix.copy(s.projectionMatrix),Dw.setFromNormalAndCoplanarPoint(kw,Gw),Dw.applyMatrix4(o.matrixWorldInverse),qw.set(Dw.normal.x,Dw.normal.y,Dw.normal.z,Dw.constant);const h=o.projectionMatrix;Yw.x=(Math.sign(qw.x)+h.elements[8])/h.elements[0],Yw.y=(Math.sign(qw.y)+h.elements[9])/h.elements[5],Yw.z=-1,Yw.w=(1+h.elements[10])/h.elements[14],qw.multiplyScalar(1/qw.dot(Yw));h.elements[2]=qw.x,h.elements[6]=qw.y,h.elements[10]=qw.z-0,h.elements[14]=qw.w,this.value=a.texture,r.visible=!1;const l=i.getRenderTarget();i.setRenderTarget(a),i.render(e,o),i.setRenderTarget(l),r.visible=!0,Kw=!1}}const eS=t=>qp(new tS(t));class sS extends Dm{constructor(t=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=t}getAttributeName(){const t=this.index;return"color"+(t>0?t:"")}generate(t){const e=this.getAttributeName(t);let s;return s=!0===t.hasGeometryAttribute(e)?super.generate(t):t.generateConst(this.nodeType,new vi(1,1,1,1)),s}serialize(t){super.serialize(t),t.index=this.index}deserialize(t){super.deserialize(t),this.index=t.index}}const iS=(...t)=>qp(new sS(...t));ap("VertexColorNode",sS);class rS extends lx{constructor(t,e,s=null){super(t,e,s),this.renderer=s}updateReference(t){return this.reference=null!==this.renderer?this.renderer:t.renderer,this.reference}}const nS=(t,e,s)=>qp(new rS(t,e,s));ap("RendererReferenceNode",rS);const oS=1/6,aS=t=>df(oS,df(t,df(t,t.negate().add(3)).sub(3)).add(1)),hS=t=>df(oS,df(t,df(t,df(3,t).sub(6))).add(4)),lS=t=>df(oS,df(t,df(t,df(-3,t).add(3)).add(3)).add(1)),uS=t=>df(oS,Ay(t,3)),cS=t=>aS(t).add(hS(t)),dS=t=>lS(t).add(uS(t)),pS=t=>uf(-1,hS(t).div(aS(t).add(hS(t)))),mS=t=>uf(1,uS(t).div(lS(t).add(uS(t)))),gS=(t,e,s)=>{const i=t.uvNode,r=df(i,e.zw).add(.5),n=$f(r),o=Jf(r),a=cS(o.x),h=dS(o.x),l=pS(o.x),u=mS(o.x),c=pS(o.y),d=mS(o.y),p=am(n.x.add(l),n.y.add(c)).sub(.5).mul(e.xy),m=am(n.x.add(u),n.y.add(c)).sub(.5).mul(e.xy),g=am(n.x.add(l),n.y.add(d)).sub(.5).mul(e.xy),f=am(n.x.add(u),n.y.add(d)).sub(.5).mul(e.xy),y=cS(o.y).mul(uf(a.mul(t.uv(p).level(s)),h.mul(t.uv(m).level(s)))),x=dS(o.y).mul(uf(a.mul(t.uv(g).level(s)),h.mul(t.uv(f).level(s))));return y.add(x)};class fS extends lp{constructor(t,e=im(3)){super("vec4"),this.textureNode=t,this.blurNode=e}setup(){return((t,e)=>{const s=am(t.size(rm(e))),i=am(t.size(rm(e.add(1)))),r=pf(1,s),n=pf(1,i),o=gS(t,gm(r,s),$f(e)),a=gS(t,gm(n,i),Xf(e));return Jf(e).mix(o,a)})(this.textureNode,this.blurNode)}}const yS=Yp(fS);vp("bicubic",yS),ap("TextureBicubicNode",fS);class xS extends op{constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const bS=Jp(xS);ap("PointUVNode",xS);class vS extends op{constructor(t=vS.BACKGROUND_BLURRINESS,e=null){super(),this.scope=t,this.scene=e}setup(t){const e=this.scope,s=null!==this.scene?this.scene:t.scene;let i;return e===vS.BACKGROUND_BLURRINESS?i=ux("backgroundBlurriness","float",s):e===vS.BACKGROUND_INTENSITY?i=ux("backgroundIntensity","float",s):console.error("THREE.SceneNode: Unknown scope:",e),i}}vS.BACKGROUND_BLURRINESS="backgroundBlurriness",vS.BACKGROUND_INTENSITY="backgroundIntensity";const TS=Jp(vS,vS.BACKGROUND_BLURRINESS),_S=Jp(vS,vS.BACKGROUND_INTENSITY);ap("SceneNode",vS);const wS="point-list",SS="line-list",MS="line-strip",AS="triangle-list",NS="triangle-strip",RS="never",CS="less",ES="equal",BS="less-equal",IS="greater",PS="not-equal",FS="greater-equal",US="always",OS="store",zS="load",LS="clear",VS="ccw",DS="none",kS="front",GS="back",WS="uint16",jS="uint32",HS={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},qS="clamp-to-edge",$S="repeat",XS="mirror-repeat",YS="linear",JS="nearest",ZS="zero",QS="one",KS="src",tM="one-minus-src",eM="src-alpha",sM="one-minus-src-alpha",iM="dst",rM="one-minus-dst",nM="dst-alpha",oM="one-minus-dst-alpha",aM="src-alpha-saturated",hM="constant",lM="one-minus-constant",uM="add",cM="subtract",dM="reverse-subtract",pM="min",mM="max",gM=0,fM=15,yM="keep",xM="zero",bM="replace",vM="invert",TM="increment-clamp",_M="decrement-clamp",wM="increment-wrap",SM="decrement-wrap",MM="storage",AM="read-only-storage",NM="write-only",RM="read-only",CM="unfilterable-float",EM="depth",BM="sint",IM="uint",PM="2d",FM="3d",UM="2d",OM="2d-array",zM="cube",LM="3d",VM="all",DM="vertex",kM="instance",GM={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable"};class WM extends ix{constructor(t,e,s=0){super(t,e,s),this.isStorageBufferNode=!0,this.access=MM,this.bufferObject=!1,this.bufferCount=s,this._attribute=null,this._varying=null,this.global=!0,!0!==t.isStorageBufferAttribute&&!0!==t.isStorageInstancedBufferAttribute&&(t.isInstancedBufferAttribute?t.isStorageInstancedBufferAttribute=!0:t.isStorageBufferAttribute=!0)}getHash(t){if(0===this.bufferCount){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getInputType(){return"storageBuffer"}element(t){return Ow(this,t)}setBufferObject(t){return this.bufferObject=t,this}setAccess(t){return this.access=t,this}toReadOnly(){return this.setAccess(AM)}generate(t){if(t.isAvailable("storageBuffer"))return super.generate(t);const e=this.getNodeType(t);null===this._attribute&&(this._attribute=kb(this.value),this._varying=Vm(this._attribute));const s=this._varying.build(t,e);return t.registerTransform(s,this._attribute),s}}const jM=(t,e,s)=>qp(new WM(t,e,s)),HM=(t,e,s)=>qp(new WM(t,e,s).setBufferObject(!0));ap("StorageBufferNode",WM);class qM extends Ky{constructor(t,e,s=null){super(t,e),this.storeNode=s,this.isStorageTextureNode=!0,this.access=NM}getInputType(){return"storageTexture"}setup(t){super.setup(t);t.getNodeProperties(this).storeNode=this.storeNode}setAccess(t){return this.access=t,this}generate(t,e){let s;return s=null!==this.storeNode?this.generateStore(t):super.generate(t,e),s}toReadOnly(){return this.setAccess(RM)}toWriteOnly(){return this.setAccess(NM)}generateStore(t){const e=t.getNodeProperties(this),{uvNode:s,storeNode:i}=e,r=super.generate(t,"property"),n=s.build(t,"uvec2"),o=i.build(t,"vec4"),a=t.generateTextureStore(t,r,n,o);t.addLineFlowCode(a)}}const $M=Yp(qM),XM=(t,e,s)=>{const i=$M(t,e,s);return null!==s&&i.append(),i};ap("StorageTextureNode",qM);const YM=Zp((({texture:t,uv:e})=>{const s=1e-4,i=cm().temp();return tm(e.x.lessThan(s),(()=>{i.assign(cm(1,0,0))})).elseif(e.y.lessThan(s),(()=>{i.assign(cm(0,1,0))})).elseif(e.z.lessThan(s),(()=>{i.assign(cm(0,0,1))})).elseif(e.x.greaterThan(.9999),(()=>{i.assign(cm(-1,0,0))})).elseif(e.y.greaterThan(.9999),(()=>{i.assign(cm(0,-1,0))})).elseif(e.z.greaterThan(.9999),(()=>{i.assign(cm(0,0,-1))})).else((()=>{const s=.01,r=t.uv(e.add(cm(-.01,0,0))).r.sub(t.uv(e.add(cm(s,0,0))).r),n=t.uv(e.add(cm(0,-.01,0))).r.sub(t.uv(e.add(cm(0,s,0))).r),o=t.uv(e.add(cm(0,0,-.01))).r.sub(t.uv(e.add(cm(0,0,s))).r);i.assign(cm(r,n,o))})),i.normalize()}));class JM extends Ky{constructor(t,e=null,s=null){super(t,e,s),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return cm(.5,.5,.5)}setUpdateMatrix(){}setupUV(t,e){return e}generateUV(t,e){return e.build(t,"vec3")}normal(t){return YM({texture:this,uv:t})}}const ZM=Yp(JM);ap("Texture3DNode",JM);class QM extends lx{constructor(t,e,s=null){super(t,e,s),this.userData=s}update(t){this.reference=null!==this.userData?this.userData:t.object.userData,super.update(t)}}const KM=(t,e,s)=>qp(new QM(t,e,s));ap("UserDataNode",QM);const tA=Zp((({base:t,blend:e})=>{const s=s=>e[s].lessThan(If).cond(e[s],t[s].oneMinus().div(e[s]).oneMinus().max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"burnColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),eA=Zp((({base:t,blend:e})=>{const s=s=>e[s].equal(1).cond(e[s],t[s].div(e[s].oneMinus()).max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"dodgeColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),sA=Zp((({base:t,blend:e})=>{const s=s=>t[s].oneMinus().mul(e[s].oneMinus()).oneMinus();return cm(s("x"),s("y"),s("z"))})).setLayout({name:"screenColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),iA=Zp((({base:t,blend:e})=>{const s=s=>t[s].lessThan(.5).cond(t[s].mul(e[s],2),t[s].oneMinus().mul(e[s].oneMinus()).oneMinus());return cm(s("x"),s("y"),s("z"))})).setLayout({name:"overlayColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]});class rA extends lp{constructor(t,e,s){super(),this.blendMode=t,this.baseNode=e,this.blendNode=s}setup(){const{blendMode:t,baseNode:e,blendNode:s}=this,i={base:e,blend:s};let r=null;return t===rA.BURN?r=tA(i):t===rA.DODGE?r=eA(i):t===rA.SCREEN?r=sA(i):t===rA.OVERLAY&&(r=iA(i)),r}}rA.BURN="burn",rA.DODGE="dodge",rA.SCREEN="screen",rA.OVERLAY="overlay";const nA=Yp(rA,rA.BURN),oA=Yp(rA,rA.DODGE),aA=Yp(rA,rA.OVERLAY),hA=Yp(rA,rA.SCREEN);vp("burn",nA),vp("dodge",oA),vp("overlay",aA),vp("screen",hA),ap("BlendModeNode",rA);const lA=Zp((({textureNode:t,bumpScale:e})=>{const s=e=>t.cache().context({getUV:t=>e(t.uvNode||of()),forceUVContext:!0}),i=im(s((t=>t)));return am(im(s((t=>t.add(t.dFdx())))).sub(i),im(s((t=>t.add(t.dFdy())))).sub(i)).mul(e)})),uA=Zp((t=>{const{surf_pos:e,surf_norm:s,dHdxy:i}=t,r=e.dFdx().normalize(),n=s,o=e.dFdy().normalize().cross(n),a=n.cross(r),h=r.dot(o).mul(HT),l=h.sign().mul(i.x.mul(o).add(i.y.mul(a)));return h.abs().mul(s).sub(l).normalize()}));class cA extends lp{constructor(t,e=null){super("vec3"),this.textureNode=t,this.scaleNode=e}setup(){const t=null!==this.scaleNode?this.scaleNode:1,e=lA({textureNode:this.textureNode,bumpScale:t});return uA({surf_pos:Ob,surf_norm:Wx,dHdxy:e})}}const dA=Yp(cA);vp("bumpMap",dA),ap("BumpMapNode",cA);const pA=Zp((({color:t,adjustment:e})=>e.mix(TA(t.rgb),t.rgb))),mA=Zp((({color:t,adjustment:e})=>{const s=uf(t.r,t.g,t.b).div(3),i=t.r.max(t.g.max(t.b)),r=i.sub(s).mul(e).mul(-3);return Py(t.rgb,i,r)})),gA=Zp((({color:t,adjustment:e})=>{const s=cm(.57735,.57735,.57735),i=e.cos();return cm(t.rgb.mul(i).add(s.cross(t.rgb).mul(e.sin()).add(s.mul(Sy(s,t.rgb).mul(i.oneMinus())))))}));class fA extends lp{constructor(t,e,s=im(1)){super("vec3"),this.method=t,this.colorNode=e,this.adjustmentNode=s}setup(){const{method:t,colorNode:e,adjustmentNode:s}=this,i={color:e,adjustment:s};let r=null;return t===fA.SATURATION?r=pA(i):t===fA.VIBRANCE?r=mA(i):t===fA.HUE?r=gA(i):console.error(`${this.type}: Method "${this.method}" not supported!`),r}}fA.SATURATION="saturation",fA.VIBRANCE="vibrance",fA.HUE="hue";const yA=Yp(fA,fA.SATURATION),xA=Yp(fA,fA.VIBRANCE),bA=Yp(fA,fA.HUE),vA=cm(.2125,.7154,.0721),TA=(t,e=vA)=>Sy(t,e),_A=(t,e)=>Py(cm(0),t,TA(t).sub(e).max(0));vp("saturation",yA),vp("vibrance",xA),vp("hue",bA),vp("threshold",_A),ap("ColorAdjustmentNode",fA);const wA=Zp((t=>{const{eye_pos:e,surf_norm:s,mapN:i,uv:r}=t,n=e.dFdx(),o=e.dFdy(),a=r.dFdx(),h=r.dFdy(),l=s,u=o.cross(l),c=l.cross(n),d=u.mul(a.x).add(c.mul(h.x)),p=u.mul(a.y).add(c.mul(h.y)),m=d.dot(d).max(p.dot(p)),g=HT.mul(m.inverseSqrt());return uf(d.mul(i.x,g),p.mul(i.y,g),l.mul(i.z)).normalize()}));class SA extends lp{constructor(t,e=null){super("vec3"),this.node=t,this.scaleNode=e,this.normalMapType=0}setup(t){const{normalMapType:e,scaleNode:s}=this;let i=this.node.mul(2).sub(1);null!==s&&(i=cm(i.xy.mul(s),i.z));let r=null;if(1===e)r=Ux.mul(i).normalize();else if(0===e){r=!0===t.hasGeometryAttribute("tangent")?Uv.mul(i).normalize():wA({eye_pos:Ob,surf_norm:Wx,mapN:i,uv:of()})}return r}}const MA=Yp(SA);vp("normalMap",MA),ap("NormalMapNode",SA);class AA extends lp{constructor(t,e){super(),this.sourceNode=t,this.stepsNode=e}setup(){const{sourceNode:t,stepsNode:e}=this;return t.mul(e).floor().div(e)}}const NA=Yp(AA);vp("posterize",NA),ap("PosterizeNode",AA);const RA=Zp((({color:t,exposure:e})=>t.mul(e).clamp())),CA=Zp((({color:t,exposure:e})=>(t=t.mul(e)).div(t.add(1)).clamp())),EA=Zp((({color:t,exposure:e})=>{const s=(t=(t=t.mul(e)).sub(.004).max(0)).mul(t.mul(6.2).add(.5)),i=t.mul(t.mul(6.2).add(1.7)).add(.06);return s.div(i).pow(2.2)})),BA=Zp((({color:t})=>{const e=t.mul(t.add(.0245786)).sub(90537e-9),s=t.mul(t.add(.432951).mul(.983729)).add(.238081);return e.div(s)})),IA=Zp((({color:t,exposure:e})=>{const s=wm(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),i=wm(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return t=t.mul(e).div(.6),t=s.mul(t),t=BA({color:t}),(t=i.mul(t)).clamp()})),PA=wm(cm(1.6605,-.1246,-.0182),cm(-.5876,1.1329,-.1006),cm(-.0728,-.0083,1.1187)),FA=wm(cm(.6274,.0691,.0164),cm(.3293,.9195,.088),cm(.0433,.0113,.8956)),UA=Zp((([t])=>{const e=cm(t).toVar(),s=cm(e.mul(e)).toVar(),i=cm(s.mul(s)).toVar();return im(15.5).mul(i.mul(s)).sub(df(40.14,i.mul(e))).add(df(31.96,i).sub(df(6.868,s.mul(e))).add(df(.4298,s).add(df(.1191,e).sub(.00232))))})),OA=Zp((({color:t,exposure:e})=>{const s=cm(t).toVar(),i=wm(cm(.856627153315983,.137318972929847,.11189821299995),cm(.0951212405381588,.761241990602591,.0767994186031903),cm(.0482516061458583,.101439036467562,.811302368396859)),r=wm(cm(1.1271005818144368,-.1413297634984383,-.14132976349843826),cm(-.11060664309660323,1.157823702216272,-.11060664309660294),cm(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=im(-12.47393),o=im(4.026069);return s.mulAssign(e),s.assign(FA.mul(s)),s.assign(i.mul(s)),s.assign(xy(s,1e-10)),s.assign(jf(s)),s.assign(s.sub(n).div(o.sub(n))),s.assign(Fy(s,0,1)),s.assign(UA(s)),s.assign(r.mul(s)),s.assign(Ay(xy(cm(0),s),cm(2.2))),s.assign(PA.mul(s)),s.assign(Fy(s,0,1)),s})),zA=Zp((({color:t,exposure:e})=>{const s=im(.76),i=im(.15);t=t.mul(e);const r=yy(t.r,yy(t.g,t.b)),n=Dv(r.lessThan(.08),r.sub(df(6.25,r.mul(r))),.04);t.subAssign(n);const o=xy(t.r,xy(t.g,t.b));tm(o.lessThan(s),(()=>t));const a=cf(1,s),h=cf(1,a.mul(a).div(o.add(a.sub(s))));t.mulAssign(h.div(o));const l=cf(1,pf(1,i.mul(o.sub(h)).add(1)));return Py(t,cm(h),l)})).setLayout({name:"NeutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),LA={1:RA,2:CA,3:EA,4:IA,6:OA,7:zA};class VA extends lp{constructor(t=0,e=kA,s=null){super("vec3"),this.toneMapping=t,this.exposureNode=e,this.colorNode=s}getCacheKey(){let t=super.getCacheKey();return t="{toneMapping:"+this.toneMapping+",nodes:"+t+"}",t}setup(t){const e=this.colorNode||t.context.color,s=this.toneMapping;if(0===s)return e;const i={exposure:this.exposureNode,color:e},r=LA[s];let n=null;return r?n=r(i):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",s),n=e),n}}const DA=(t,e,s)=>qp(new VA(t,qp(e),qp(s))),kA=nS("toneMappingExposure","float");vp("toneMapping",((t,e,s)=>DA(e,s,t))),ap("ToneMappingNode",VA);let GA=null;class WA extends NT{constructor(t=_T,e=null){null===GA&&(GA=new qa),super(t,e,GA)}updateReference(){return this}}const jA=Yp(WA);vp("viewportSharedTexture",jA),ap("ViewportSharedTextureNode",WA);const HA=new Zs;class qA extends Ky{constructor(t,e){super(e),this.passNode=t,this.setUpdateMatrix(!1)}setup(t){return this.passNode.build(t),super.setup(t)}clone(){return new this.constructor(this.passNode,this.value)}}class $A extends lp{constructor(t,e,s){super("vec4"),this.scope=t,this.scene=e,this.camera=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Za;i.isRenderTargetTexture=!0,i.name="PostProcessingDepth";const r=new Ti(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Pt});r.texture.name="PostProcessing",r.depthTexture=i,this.renderTarget=r,this.updateBeforeType=Hd.FRAME,this._textureNode=qp(new qA(this,r.texture)),this._depthTextureNode=qp(new qA(this,i)),this._linearDepthNode=null,this._viewZNode=null,this._cameraNear=nf(0),this._cameraFar=nf(0),this.isPassNode=!0}isGlobal(){return!0}getTextureNode(){return this._textureNode}getTextureDepthNode(){return this._depthTextureNode}getViewZNode(){if(null===this._viewZNode){const t=this._cameraNear,e=this._cameraFar;this._viewZNode=zT(this._depthTextureNode,t,e)}return this._viewZNode}getLinearDepthNode(){if(null===this._linearDepthNode){const t=this._cameraNear,e=this._cameraFar;this._linearDepthNode=FT(this.getViewZNode(),t,e)}return this._linearDepthNode}setup(){return this.scope===$A.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(t){const{renderer:e}=t,{scene:s,camera:i}=this;this._pixelRatio=e.getPixelRatio();const r=e.getSize(HA);this.setSize(r.width,r.height);const n=e.toneMapping,o=e.toneMappingNode,a=e.getRenderTarget();this._cameraNear.value=i.near,this._cameraFar.value=i.far,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this.renderTarget),e.render(s,i),e.toneMapping=n,e.toneMappingNode=o,e.setRenderTarget(a)}setSize(t,e){this._width=t,this._height=e;const s=this._width*this._pixelRatio,i=this._height*this._pixelRatio;this.renderTarget.setSize(s,i)}setPixelRatio(t){this._pixelRatio=t,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}$A.COLOR="color",$A.DEPTH="depth";const XA=(t,e)=>qp(new $A($A.COLOR,t,e)),YA=(t,e)=>qp(new qA(t,e)),JA=(t,e)=>qp(new $A($A.DEPTH,t,e));ap("PassNode",$A);const ZA=new Au(-1,1,1,-1,0,1);const QA=new class extends wn{constructor(t=!1){super();const e=!1===t?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new gn([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new gn(e,2))}};class KA extends kn{constructor(t=null){super(QA,t),this.camera=ZA}renderAsync(t){return t.renderAsync(this,ZA)}render(t){t.render(this,ZA)}}const tN=new KA,eN=new KA;class sN extends lp{constructor(t,e=2){super("vec4"),this.textureNode=t,this.sigma=e,this.directionNode=am(1),this._invSize=nf(new Zs),this._passDirection=nf(new Zs),this._horizontalRT=new Ti,this._horizontalRT.texture.name="GaussianBlurNode.horizontal",this._verticalRT=new Ti,this._verticalRT.texture.name="GaussianBlurNode.vertical",this._textureNode=YA(this,this._verticalRT.texture),this.updateBeforeType=Hd.RENDER,this.resolution=new Zs(1,1)}setSize(t,e){t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._invSize.value.set(1/t,1/e),this._horizontalRT.setSize(t,e),this._verticalRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value,r=e.getRenderTarget(),n=s.value;tN.material=this._material,eN.material=this._material,this.setSize(i.image.width,i.image.height);const o=i.type;this._horizontalRT.texture.type=o,this._verticalRT.texture.type=o,e.setRenderTarget(this._horizontalRT),this._passDirection.value.set(1,0),tN.render(e),s.value=this._horizontalRT.texture,e.setRenderTarget(this._verticalRT),this._passDirection.value.set(0,1),eN.render(e),e.setRenderTarget(r),s.value=n}getTextureNode(){return this._textureNode}setup(t){const e=this.textureNode;if(!0!==e.isTextureNode)return console.error("GaussianBlurNode requires a TextureNode."),gm();const s=e.uvNode||of(),i=t=>e.cache().context({getUV:()=>t,forceUVContext:!0}),r=Zp((()=>{const t=3+2*this.sigma,e=this._getCoefficients(t),r=this._invSize,n=am(this.directionNode).mul(this._passDirection),o=im(e[0]).toVar(),a=gm(i(s).mul(o)).toVar();for(let h=1;hqp(new sN(qp(t),e));vp("gaussianBlur",iN);const rN=new Zs,nN=new KA;class oN extends lp{constructor(t,e=.96){super(t),this.textureNode=t,this.textureNodeOld=tx(),this.damp=nf(e),this._compRT=new Ti,this._compRT.texture.name="AfterImageNode.comp",this._oldRT=new Ti,this._oldRT.texture.name="AfterImageNode.old",this._textureNode=YA(this,this._compRT.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._compRT.setSize(t,e),this._oldRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value.type;this._compRT.texture.type=i,this._oldRT.texture.type=i,e.getDrawingBufferSize(rN),this.setSize(rN.x,rN.y);const r=e.toneMapping,n=e.toneMappingNode,o=e.getRenderTarget(),a=s.value;this.textureNodeOld.value=this._oldRT.texture,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this._compRT),nN.render(e);const h=this._oldRT;this._oldRT=this._compRT,this._compRT=h,e.toneMapping=r,e.toneMappingNode=n,e.setRenderTarget(o),s.value=a}setup(t){const e=this.textureNode,s=this.textureNodeOld;if(!0!==e.isTextureNode)return console.error("AfterImageNode requires a TextureNode."),gm();const i=e.uvNode||of();s.uvNode=i;const r=Zp((([t,e])=>{const s=im(e).toVar(),i=gm(t).toVar();return xy(ry(i.sub(s)),0)})),n=Zp((()=>{const t=gm(s),n=gm((t=>e.cache().context({getUV:()=>t,forceUVContext:!0}))(i));return t.mulAssign(this.damp.mul(r(t,.1))),xy(n,t)})),o=this._materialComposed||(this._materialComposed=t.createNodeMaterial());o.fragmentNode=n(),nN.material=o;return t.getNodeProperties(this).textureNode=e,this._textureNode}}const aN=(t,e)=>qp(new oN(qp(t),e));vp("afterImage",aN);const hN=new KA;class lN extends lp{constructor(t,e,s,i){super("vec4"),this.textureNode=t,this.tresholdNode=e,this.scaleNode=s,this.colorNode=cm(.1,0,1),this.samples=i,this.resolution=new Zs(1,1),this._renderTarget=new Ti,this._renderTarget.texture.name="anamorphic",this._invSize=nf(new Zs),this._textureNode=YA(this,this._renderTarget.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._invSize.value.set(1/t,1/e),t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._renderTarget.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value;this._renderTarget.texture.type=i.type;const r=e.getRenderTarget(),n=s.value;hN.material=this._material,this.setSize(i.image.width,i.image.height),e.setRenderTarget(this._renderTarget),hN.render(e),e.setRenderTarget(r),s.value=n}setup(t){const e=this.textureNode;if(!0!==e.isTextureNode)return console.error("AnamorphNode requires a TextureNode."),gm();const s=e.uvNode||of(),i=Zp((()=>{const t=this.samples,i=Math.floor(t/2),r=cm(0).toVar();return nv({start:-i,end:i},(({i:t})=>{const n=im(t).abs().div(i).oneMinus(),o=(t=>e.cache().context({getUV:()=>t,forceUVContext:!0}))(am(s.x.add(this._invSize.x.mul(t).mul(this.scaleNode)),s.y)),a=_A(o,this.tresholdNode).mul(n);r.addAssign(a)})),r.mul(this.colorNode)}));(this._material||(this._material=t.createNodeMaterial())).fragmentNode=i();return t.getNodeProperties(this).textureNode=e,this._textureNode}}const uN=(t,e=.9,s=3,i=32)=>qp(new lN(qp(t),qp(e),qp(s),i));vp("anamorphic",uN);class cN extends lp{constructor(t){super(),this.textureNode=t,this.updateBeforeType=Hd.RENDER,this._invSize=nf(new Zs)}updateBefore(){const t=this.textureNode.value;this._invSize.value.set(1/t.image.width,1/t.image.height)}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=t=>this.textureNode.cache().context({getUV:()=>t,forceUVContext:!0});return Zp((()=>{const t=this._invSize,i=wm(-1,-2,-1,0,0,0,1,2,1),r=wm(-1,0,1,-2,0,2,-1,0,1),n=TA(s(e.add(t.mul(am(-1,-1)))).xyz),o=TA(s(e.add(t.mul(am(-1,0)))).xyz),a=TA(s(e.add(t.mul(am(-1,1)))).xyz),h=TA(s(e.add(t.mul(am(0,-1)))).xyz),l=TA(s(e.add(t.mul(am(0,0)))).xyz),u=TA(s(e.add(t.mul(am(0,1)))).xyz),c=TA(s(e.add(t.mul(am(1,-1)))).xyz),d=TA(s(e.add(t.mul(am(1,0)))).xyz),p=TA(s(e.add(t.mul(am(1,1)))).xyz),m=uf(i[0][0].mul(n),i[1][0].mul(h),i[2][0].mul(c),i[0][1].mul(o),i[1][1].mul(l),i[2][1].mul(d),i[0][2].mul(a),i[1][2].mul(u),i[2][2].mul(p)),g=uf(r[0][0].mul(n),r[1][0].mul(h),r[2][0].mul(c),r[0][1].mul(o),r[1][1].mul(l),r[2][1].mul(d),r[0][2].mul(a),r[1][2].mul(u),r[2][2].mul(p)),f=m.mul(m).add(g.mul(g)).sqrt();return gm(cm(f),1)}))()}}const dN=t=>qp(new cN(qp(t)));vp("sobel",dN);class pN extends lp{constructor(t,e,s=1,i=.025,r=1){super(),this.textureNode=t,this.viewZNode=e,this.focus=nf(s),this.aperture=nf(i),this.maxblur=nf(r),this._aspect=nf(0),this.updateBeforeType=Hd.RENDER}updateBefore(){const t=this.textureNode.value;this._aspect.value=t.image.width/t.image.height}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=t=>this.textureNode.uv(t);return Zp((()=>{const t=am(1,this._aspect),i=this.focus.add(this.viewZNode),r=am(Fy(i.mul(this.aperture),this.maxblur.negate(),this.maxblur)),n=r.mul(.9),o=r.mul(.7),a=r.mul(.4);let h=gm(0);return h=h.add(s(e)),h=h.add(s(e.add(am(0,.4).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(a)))),h=h.div(41),h.a=1,gm(h)}))()}}const mN=(t,e,s,i,r)=>qp(new pN(qp(t),qp(e),s,i,r));vp("dof",mN);const gN=new KA;class fN extends lp{constructor(t,e=new Zs(.5,.5),s=1.57,i=1){super("vec4"),this.colorNode=t,this.center=nf(e),this.angle=nf(s),this.scale=nf(i),this._renderTarget=new Ti,this._renderTarget.texture.name="dotScreen",this._size=nf(new Zs),this._textureNode=YA(this,this._renderTarget.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._size.value.set(t,e),this._renderTarget.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.colorNode,i=s.value;this._renderTarget.texture.type=i.type;const r=e.getRenderTarget(),n=s.value;gN.material=this._material,this.setSize(i.image.width,i.image.height),e.setRenderTarget(this._renderTarget),gN.render(e),e.setRenderTarget(r),s.value=n}setup(t){const e=this.colorNode,s=Zp((()=>{const t=Zf(this.angle),e=Qf(this.angle),s=of().mul(this._size).sub(this.center),i=am(e.mul(s.x).sub(t.mul(s.y)),t.mul(s.x).add(e.mul(s.y))).mul(this.scale);return Zf(i.x).mul(Zf(i.y)).mul(4)})),i=Zp((()=>{const t=e,i=uf(t.r,t.g,t.b).div(3);return gm(cm(i.mul(10).sub(5).add(s())),t.a)}));(this._material||(this._material=t.createNodeMaterial())).fragmentNode=i();return t.getNodeProperties(this).textureNode=e,this._textureNode}}const yN=(t,e,s,i)=>qp(new fN(qp(t),e,s,i));vp("dotScreen",yN);class xN extends lp{constructor(t,e=.005,s=0){super("vec4"),this.textureNode=t,this.amount=nf(e),this.angle=nf(s),this.updateBeforeType=Hd.RENDER}updateBefore(){}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=t=>this.textureNode.uv(t);return Zp((()=>{const t=am(Qf(this.angle),Zf(this.angle)).mul(this.amount),i=s(e.add(t)),r=s(e),n=s(e.sub(t));return gm(i.r,r.g,n.b,r.a)}))()}}const bN=(t,e,s)=>qp(new xN(qp(t),e,s));vp("rgbShift",bN);class vN extends lp{constructor(t=null,e={}){super(),this.functionNode=t,this.parameters=e}setParameters(t){return this.parameters=t,this}getParameters(){return this.parameters}getNodeType(t){return this.functionNode.getNodeType(t)}generate(t){const e=[],s=this.functionNode,i=s.getInputs(t),r=this.parameters;if(Array.isArray(r))for(let s=0;s(e=e.length>1||e[0]&&!0===e[0].isNode?Xp(e):$p(e[0]),qp(new vN(qp(t),e)));vp("call",TN),ap("FunctionCallNode",vN);class _N extends op{constructor(t=null){super(),this._value=t,this._cache=null,this.inputType=null,this.outpuType=null,this.events=new Vs,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(t){this._value!==t&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=t,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const t=this.value;if(t&&null===this._cache&&"URL"===this.inputType&&t.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([t.value]));else if(t&&null!==t.value&&void 0!==t.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof t.value||"Number"===this.inputType&&"number"==typeof t.value||"Vector2"===this.inputType&&t.value.isVector2||"Vector3"===this.inputType&&t.value.isVector3||"Vector4"===this.inputType&&t.value.isVector4||"Color"===this.inputType&&t.value.isColor||"Matrix3"===this.inputType&&t.value.isMatrix3||"Matrix4"===this.inputType&&t.value.isMatrix4))return t.value;return this._cache||t}getNodeType(t){return this.value&&this.value.isNode?this.value.getNodeType(t):"float"}setup(){return this.value&&this.value.isNode?this.value:im()}serialize(t){super.serialize(t),null!==this.value?"ArrayBuffer"===this.inputType?t.value=ep(this.value):t.value=this.value?this.value.toJSON(t.meta).uuid:null:t.value=null,t.inputType=this.inputType,t.outputType=this.outputType}deserialize(t){super.deserialize(t);let e=null;null!==t.value&&(e="ArrayBuffer"===t.inputType?sp(t.value):"Texture"===t.inputType?t.meta.textures[t.value]:t.meta.nodes[t.value]||null),this.value=e,this.inputType=t.inputType,this.outputType=t.outputType}}const wN=Yp(_N);vp("scriptableValue",wN),ap("ScriptableValueNode",_N);class SN extends Map{get(t,e=null,...s){if(this.has(t))return super.get(t);if(null!==e){const i=e(...s);return this.set(t,i),i}}}class MN{constructor(t){this.scriptableNode=t}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(t){return this.scriptableNode.getInputLayout(t)}get(t){const e=this.parameters[t];return e?e.getValue():null}}const AN=new SN;class NN extends op{constructor(t=null,e={}){super(),this.codeNode=t,this.parameters=e,this._local=new SN,this._output=wN(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(t,e){return this._local.set(t,e)}getLocal(t){return this._local.get(t)}onRefresh(){this._refresh()}getInputLayout(t){for(const e of this.getLayout())if(e.inputType&&(e.id===t||e.name===t))return e}getOutputLayout(t){for(const e of this.getLayout())if(e.outputType&&(e.id===t||e.name===t))return e}setOutput(t,e){const s=this._outputs;return void 0===s[t]?s[t]=wN(e):s[t].value=e,this}getOutput(t){return this._outputs[t]}getParameter(t){return this.parameters[t]}setParameter(t,e){const s=this.parameters;return e&&e.isScriptableNode?(this.deleteParameter(t),s[t]=e,s[t].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):e&&e.isScriptableValueNode?(this.deleteParameter(t),s[t]=e,s[t].events.addEventListener("refresh",this.onRefresh)):void 0===s[t]?(s[t]=wN(e),s[t].events.addEventListener("refresh",this.onRefresh)):s[t].value=e,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(t){let e=this.parameters[t];return e&&(e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const t of Object.keys(this.parameters))this.deleteParameter(t);return this.needsUpdate=!0,this}call(t,...e){const s=this.getObject()[t];if("function"==typeof s)return s(...e)}async callAsync(t,...e){const s=this.getObject()[t];if("function"==typeof s)return"AsyncFunction"===s.constructor.name?await s(...e):s(...e)}getNodeType(t){return this.getDefaultOutputNode().getNodeType(t)}refresh(t=null){null!==t?this.getOutput(t).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const t=new MN(this),e=AN.get("THREE"),s=AN.get("TSL"),i=this.getMethod(this.codeNode),r=[t,this._local,AN,()=>this.refresh(),(t,e)=>this.setOutput(t,e),e,s];this._object=i(...r);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const t of n.elements){const e=t.id||t.name;t.inputType&&(void 0===this.getParameter(e)&&this.setParameter(e,null),this.getParameter(e).inputType=t.inputType),t.outputType&&(void 0===this.getOutput(e)&&this.setOutput(e,null),this.getOutput(e).outputType=t.outputType)}return this._object}deserialize(t){super.deserialize(t);for(const t in this.parameters){let e=this.parameters[t];e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const t=this.getDefaultOutput().value;return t&&t.isNode?t:im()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const t=["layout","init","main","dispose"].join(", "),e="\nreturn { ...output, "+t+" };",s="var "+t+"; var output = {};\n"+this.codeNode.code+e;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],s),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}set needsUpdate(t){!0===t&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const RN=Yp(NN);vp("scriptable",RN),ap("ScriptableNode",NN);class CN extends op{constructor(t,e){super("float"),this.isFogNode=!0,this.colorNode=t,this.factorNode=e}getViewZNode(t){let e;const s=t.context.getViewZ;return void 0!==s&&(e=s(this)),(e||Ob.z).negate()}setup(){return this.factorNode}}const EN=Yp(CN);vp("fog",EN),ap("FogNode",CN);class BN extends CN{constructor(t,e,s){super(t),this.isFogRangeNode=!0,this.nearNode=e,this.farNode=s}setup(t){const e=this.getViewZNode(t);return zy(this.nearNode,this.farNode,e)}}const IN=Yp(BN);vp("rangeFog",IN),ap("FogRangeNode",BN);class PN extends CN{constructor(t,e){super(t),this.isFogExp2Node=!0,this.densityNode=e}setup(t){const e=this.getViewZNode(t),s=this.densityNode;return s.mul(s,e,e).negate().exp().oneMinus()}}const FN=Yp(PN);vp("densityFog",FN),ap("FogExp2Node",PN);let UN=null,ON=null;class zN extends op{constructor(t=im(),e=im()){super(),this.minNode=t,this.maxNode=e}getVectorLength(t){const e=t.getTypeLength(Kd(this.minNode.value)),s=t.getTypeLength(Kd(this.maxNode.value));return e>s?e:s}getNodeType(t){return t.object.count>1?t.getTypeFromLength(this.getVectorLength(t)):"float"}setup(t){const e=t.object;let s=null;if(e.count>1){const i=this.minNode.value,r=this.maxNode.value,n=t.getTypeLength(Kd(i)),o=t.getTypeLength(Kd(r));UN=UN||new vi,ON=ON||new vi,UN.setScalar(0),ON.setScalar(0),1===n?UN.setScalar(i):i.isColor?UN.set(i.r,i.g,i.b):UN.set(i.x,i.y,i.z||0,i.w||0),1===o?ON.setScalar(r):r.isColor?ON.set(r.r,r.g,r.b):ON.set(r.x,r.y,r.z||0,r.w||0);const a=4,h=a*e.count,l=new Float32Array(h);for(let t=0;tqp(new VN(qp(t),e,s));vp("compute",DN),ap("ComputeNode",VN);class kN extends op{constructor(t=kN.TARGET_DIRECTION,e=null){super(),this.scope=t,this.light=e}setup(){const{scope:t,light:e}=this;let s=null;return t===kN.TARGET_DIRECTION&&(s=vx.transformDirection(Cx(e).sub(Cx(e.target)))),s}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}kN.TARGET_DIRECTION="targetDirection";const GN=Yp(kN,kN.TARGET_DIRECTION);ap("LightNode",kN);const WN=Zp((t=>{const{lightDistance:e,cutoffDistance:s,decayExponent:i}=t,r=e.pow(i).max(.01).reciprocal();return s.greaterThan(0).cond(r.mul(e.div(s).pow4().oneMinus().clamp().pow2()),r)}));class jN extends bv{constructor(t=null){super(t),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){const{light:e}=this;super.update(t),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}setup(t){const{colorNode:e,cutoffDistanceNode:s,decayExponentNode:i,light:r}=this,n=t.context.lightingModel,o=Bx(r).sub(Ob),a=o.normalize(),h=o.length(),l=WN({lightDistance:h,cutoffDistance:s,decayExponent:i}),u=e.mul(l),c=t.context.reflectedLight;n.direct({lightDirection:a,lightColor:u,reflectedLight:c,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("PointLightNode",jN),Sv(Mu,jN);class HN extends bv{constructor(t=null){super(t)}setup(t){super.setup(t);const e=t.context.lightingModel,s=this.colorNode,i=GN(this.light),r=t.context.reflectedLight;e.direct({lightDirection:i,lightColor:s,reflectedLight:r,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("DirectionalLightNode",HN),Sv(Ru,HN);const qN=new rr,$N=new rr;let XN=null;class YN extends bv{constructor(t=null){super(t),this.halfHeight=nf(new Ri),this.halfWidth=nf(new Ri)}update(t){super.update(t);const{light:e}=this,s=t.camera.matrixWorldInverse;$N.identity(),qN.copy(e.matrixWorld),qN.premultiply(s),$N.extractRotation(qN),this.halfWidth.value.set(.5*e.width,0,0),this.halfHeight.value.set(0,.5*e.height,0),this.halfWidth.value.applyMatrix4($N),this.halfHeight.value.applyMatrix4($N)}setup(t){let e,s;super.setup(t),t.isAvailable("float32Filterable")?(e=tx(XN.LTC_FLOAT_1),s=tx(XN.LTC_FLOAT_2)):(e=tx(XN.LTC_HALF_1),s=tx(XN.LTC_HALF_2));const{colorNode:i,light:r}=this,n=t.context.lightingModel,o=Bx(r),a=t.context.reflectedLight;n.directRectArea({lightColor:i,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:e,ltc_2:s},t.stack,t)}static setLTC(t){XN=t}}ap("RectAreaLightNode",YN),Sv(Eu,YN);class JN extends bv{constructor(t=null){super(t),this.coneCosNode=nf(0),this.penumbraCosNode=nf(0),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){super.update(t);const{light:e}=this;this.coneCosNode.value=Math.cos(e.angle),this.penumbraCosNode.value=Math.cos(e.angle*(1-e.penumbra)),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}getSpotAttenuation(t){const{coneCosNode:e,penumbraCosNode:s}=this;return zy(e,s,t)}setup(t){super.setup(t);const e=t.context.lightingModel,{colorNode:s,cutoffDistanceNode:i,decayExponentNode:r,light:n}=this,o=Bx(n).sub(Ob),a=o.normalize(),h=a.dot(GN(n)),l=this.getSpotAttenuation(h),u=o.length(),c=WN({lightDistance:u,cutoffDistance:i,decayExponent:r}),d=s.mul(l).mul(c),p=t.context.reflectedLight;e.direct({lightDirection:a,lightColor:d,reflectedLight:p,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("SpotLightNode",JN),Sv(vu,JN);class ZN extends vu{constructor(t,e,s,i,r,n){super(t,e,s,i,r,n),this.iesMap=null}copy(t,e){return super.copy(t,e),this.iesMap=t.iesMap,this}}class QN extends JN{getSpotAttenuation(t){const e=this.light.iesMap;let s=null;if(e&&!0===e.isTexture){const i=t.acos().mul(1/Math.PI);s=tx(e,am(i,0),0).r}else s=super.getSpotAttenuation(t);return s}}ap("IESSpotLightNode",QN),Sv(ZN,QN);class KN extends bv{constructor(t=null){super(t)}setup({context:t}){t.irradiance.addAssign(this.colorNode)}}ap("AmbientLightNode",KN),Sv(Cu,KN);class tR extends bv{constructor(t=null){super(t),this.lightPositionNode=Cx(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=nf(new $r)}update(t){const{light:e}=this;super.update(t),this.lightPositionNode.object3d=e,this.groundColorNode.value.copy(e.groundColor).multiplyScalar(e.intensity)}setup(t){const{colorNode:e,groundColorNode:s,lightDirectionNode:i}=this,r=Wx.dot(i).mul(.5).add(.5),n=Py(s,e,r);t.context.irradiance.addAssign(n)}}ap("HemisphereLightNode",tR),Sv(mu,tR);const eR=Zp((t=>{const e=t.uv.mul(2),s=e.x.floor(),i=e.y.floor();return s.add(i).mod(2).sign()}));class sR extends lp{constructor(t=of()){super("float"),this.uvNode=t}setup(){return eR({uv:this.uvNode})}}const iR=Yp(sR);vp("checker",iR),ap("CheckerNode",sR);class rR extends iu{constructor(t){super(t),this.textures={}}load(t,e,s,i){const r=new ou(this.manager);r.setPath(this.path),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(s=>{try{e(this.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),this.manager.itemError(t)}}),s,i)}parseNodes(t){const e={};if(void 0!==t){for(const s of t){const{uuid:t,type:i}=s;e[t]=qp(hp(i)),e[t].uuid=t}const s={nodes:e,textures:this.textures};for(const i of t){i.meta=s;e[i.uuid].deserialize(i),delete i.meta}}return e}parse(t){const e=qp(hp(t.type));e.uuid=t.uuid;const s={nodes:this.parseNodes(t.nodes),textures:this.textures};return t.meta=s,e.deserialize(t),delete t.meta,e}setTextures(t){return this.textures=t,this}}const nR=new za;class oR extends $T{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.pointWidth=1,this.pointColorNode=null,this.setDefaultValues(nR),this.setupShaders(),this.setValues(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor;this.vertexNode=Zp((()=>{Vm(am(),"vUv").assign(of());const t=km("instancePosition"),e=cg("vec4","mvPos");e.assign(Fx.mul(gm(t,1)));const s=TT.z.div(TT.w),i=xx.mul(e),r=cg("vec2","offset");return r.assign(Ib.xy),r.assign(r.mul(Cb)),r.assign(r.div(TT.z)),r.y.assign(r.y.mul(s)),r.assign(r.mul(i.w)),i.assign(i.add(gm(r,0,0))),i}))(),this.fragmentNode=Zp((()=>{const s=Vm(am(),"vUv"),i=cg("float","alpha");i.assign(1);const r=s.x,n=s.y,o=r.mul(r).add(n.mul(n));if(t){const t=cg("float","dlen");t.assign(o.fwidth()),i.assign(zy(t.oneMinus(),t.add(1),o).oneMinus())}else o.greaterThan(1).discard();let a;if(this.pointColorNode)a=this.pointColorNode;else if(e){a=km("instanceColor").mul(Zx)}else a=Zx;return gm(a,i)}))(),this.needsUpdate=!0}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.setupShaders())}}XT("InstancedPointsNodeMaterial",oR);const aR=new wa;class hR extends $T{constructor(t){super(),this.isLineBasicNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(aR),this.setValues(t)}}XT("LineBasicNodeMaterial",hR);const lR=new Pl;class uR extends $T{constructor(t){super(),this.isLineDashedNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(lR),this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setupVariants(){const t=this.offsetNode,e=this.dashScaleNode?im(this.dashScaleNode):Sb,s=this.dashSizeNode?im(this.dashSizeNode):Mb,i=this.dashSizeNode?im(this.dashGapNode):Ab;Bg.assign(s),Ig.assign(i);const r=Vm(km("lineDistance").mul(e));(t?r.add(t):r).mod(Bg.add(Ig)).greaterThan(Bg).discard()}}XT("LineDashedNodeMaterial",uR);const cR=new Pl;class dR extends $T{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.setDefaultValues(cR),this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.useDash=t.dashed,this.useWorldUnits=!1,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setup(t){this.setupShaders(),super.setup(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor,s=this.dashed,i=this.worldUnits,r=Zp((({start:t,end:e})=>{const s=xx.element(2).element(2),i=xx.element(3).element(2).mul(-.5).div(s).sub(t.z).div(e.z.sub(t.z));return gm(Py(t.xyz,e.xyz,i),e.w)}));this.vertexNode=Zp((()=>{dg("vec2","vUv").assign(of());const t=km("instanceStart"),e=km("instanceEnd"),n=cg("vec4","start"),o=cg("vec4","end");n.assign(Fx.mul(gm(t,1))),o.assign(Fx.mul(gm(e,1))),i&&(dg("vec3","worldStart").assign(n.xyz),dg("vec3","worldEnd").assign(o.xyz));const a=TT.z.div(TT.w),h=xx.element(2).element(3).equal(-1);tm(h,(()=>{tm(n.z.lessThan(0).and(o.z.greaterThan(0)),(()=>{o.assign(r({start:n,end:o}))})).elseif(o.z.lessThan(0).and(n.z.greaterThanEqual(0)),(()=>{n.assign(r({start:o,end:n}))}))}));const l=xx.mul(n),u=xx.mul(o),c=l.xyz.div(l.w),d=u.xyz.div(u.w),p=d.xy.sub(c.xy).temp();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const m=eg(gm());if(i){const t=o.xyz.sub(n.xyz).normalize(),e=Py(n.xyz,o.xyz,.5).normalize(),i=t.cross(e).normalize(),r=t.cross(i),a=dg("vec4","worldPos");a.assign(Ib.y.lessThan(.5).cond(n,o));const h=Nb.mul(.5);a.addAssign(gm(Ib.x.lessThan(0).cond(i.mul(h),i.mul(h).negate()),0)),s||(a.addAssign(gm(Ib.y.lessThan(.5).cond(t.mul(h).negate(),t.mul(h)),0)),a.addAssign(gm(r.mul(h),0)),tm(Ib.y.greaterThan(1).or(Ib.y.lessThan(0)),(()=>{a.subAssign(gm(r.mul(2).mul(h),0))}))),m.assign(xx.mul(a));const l=eg(cm());l.assign(Ib.y.lessThan(.5).cond(c,d)),m.z.assign(l.z.mul(m.w))}else{const t=cg("vec2","offset");t.assign(am(p.y,p.x.negate())),p.x.assign(p.x.div(a)),t.x.assign(t.x.div(a)),t.assign(Ib.x.lessThan(0).cond(t.negate(),t)),tm(Ib.y.lessThan(0),(()=>{t.assign(t.sub(p))})).elseif(Ib.y.greaterThan(1),(()=>{t.assign(t.add(p))})),t.assign(t.mul(Nb)),t.assign(t.div(TT.w)),m.assign(Ib.y.lessThan(.5).cond(l,u)),t.assign(t.mul(m.w)),m.assign(m.add(gm(t,0,0)))}return m}))();const n=Zp((({p1:t,p2:e,p3:s,p4:i})=>{const r=t.sub(s),n=i.sub(s),o=e.sub(t),a=r.dot(n),h=n.dot(o),l=r.dot(o),u=n.dot(n),c=o.dot(o).mul(u).sub(h.mul(h)),d=a.mul(h).sub(l.mul(u)).div(c).clamp(),p=a.add(h.mul(d)).div(u).clamp();return am(d,p)}));this.fragmentNode=Zp((()=>{const r=dg("vec2","vUv");if(s){const t=this.offsetNode?im(this.offsetNodeNode):Rb,e=this.dashScaleNode?im(this.dashScaleNode):Sb,s=this.dashSizeNode?im(this.dashSizeNode):Mb,i=this.dashSizeNode?im(this.dashGapNode):Ab;Bg.assign(s),Ig.assign(i);const n=km("instanceDistanceStart"),o=km("instanceDistanceEnd"),a=Ib.y.lessThan(.5).cond(e.mul(n),Sb.mul(o)),h=Vm(a.add(Rb)),l=t?h.add(t):h;r.y.lessThan(-1).or(r.y.greaterThan(1)).discard(),l.mod(Bg.add(Ig)).greaterThan(Bg).discard()}const o=cg("float","alpha");if(o.assign(1),i){const e=dg("vec3","worldStart"),i=dg("vec3","worldEnd"),r=dg("vec4","worldPos").xyz.normalize().mul(1e5),a=i.sub(e),h=n({p1:e,p2:i,p3:cm(0,0,0),p4:r}),l=e.add(a.mul(h.x)),u=r.mul(h.y),c=l.sub(u).length().div(Nb);if(!s)if(t){const t=c.fwidth();o.assign(zy(t.negate().add(.5),t.add(.5),c).oneMinus())}else c.greaterThan(.5).discard()}else if(t){const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1)),s=t.mul(t).add(e.mul(e)),i=cg("float","dlen");i.assign(s.fwidth()),tm(r.y.abs().greaterThan(1),(()=>{o.assign(zy(i.oneMinus(),i.add(1),s).oneMinus())}))}else tm(r.y.abs().greaterThan(1),(()=>{const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1));t.mul(t).add(e.mul(e)).greaterThan(1).discard()}));let a;if(this.lineColorNode)a=this.lineColorNode;else if(e){const t=km("instanceColorStart"),e=km("instanceColorEnd");a=Ib.y.lessThan(.5).cond(t,e).mul(Zx)}else a=Zx;return gm(a,o)}))()}get worldUnits(){return this.useWorldUnits}set worldUnits(t){this.useWorldUnits!==t&&(this.useWorldUnits=t,this.needsUpdate=!0)}get dashed(){return this.useDash}set dashed(t){this.useDash!==t&&(this.useDash=t,this.needsUpdate=!0)}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.needsUpdate=!0)}}XT("Line2NodeMaterial",dR);const pR=new Rl;class mR extends $T{constructor(t){super(),this.lights=!1,this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(pR),this.setValues(t)}setupDiffuseColor(){const t=this.opacityNode?im(this.opacityNode):tb;pg.assign(gm(Sw(Hx),t))}}XT("MeshNormalNodeMaterial",mR);const gR=new Zr;class fR extends $T{constructor(t){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!1,this.setDefaultValues(gR),this.setValues(t)}}XT("MeshBasicNodeMaterial",fR);const yR=Zp((({f0:t,f90:e,dotVH:s})=>{const i=s.mul(-5.55473).sub(6.98316).mul(s).exp2();return t.mul(i.oneMinus()).add(e.mul(i))})),xR=Zp((t=>t.diffuseColor.mul(1/Math.PI))),bR=Zp((({dotNH:t})=>Cg.mul(im(.5)).add(1).mul(im(1/Math.PI)).mul(t.pow(Cg)))),vR=Zp((({lightDirection:t})=>{const e=t.add(zb).normalize(),s=Hx.dot(e).clamp(),i=zb.dot(e).clamp(),r=yR({f0:Ng,f90:1,dotVH:i}),n=im(.25),o=bR({dotNH:s});return r.mul(n).mul(o)}));class TR extends Km{constructor(t=!0){super(),this.specular=t}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=Hx.dot(t).clamp().mul(e);s.directDiffuse.addAssign(i.mul(xR({diffuseColor:pg.rgb}))),!0===this.specular&&s.directSpecular.addAssign(i.mul(vR({lightDirection:t})).mul(rb))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(xR({diffuseColor:pg})))}}const _R=new Cl;class wR extends $T{constructor(t){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_R),this.setValues(t)}setupLightingModel(){return new TR(!1)}}XT("MeshLambertNodeMaterial",wR);const SR=new Al;class MR extends $T{constructor(t){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(SR),this.setValues(t)}setupLightingModel(){return new TR}setupVariants(){const t=(this.shininessNode?im(this.shininessNode):Qx).max(1e-4);Cg.assign(t);const e=this.specularNode||eb;Ng.assign(e)}copy(t){return this.shininessNode=t.shininessNode,this.specularNode=t.specularNode,super.copy(t)}}XT("MeshPhongNodeMaterial",MR);const AR=Zp((()=>{const t=kx.dFdx().abs().max(kx.dFdy().abs());return t.x.max(t.y).max(t.z)})),NR=Zp((t=>{const{roughness:e}=t,s=AR();let i=e.max(.0525);return i=i.add(s),i=i.min(1),i})),RR=Zp((({alpha:t,dotNL:e,dotNV:s})=>{const i=t.pow2(),r=e.mul(i.add(i.oneMinus().mul(s.pow2())).sqrt()),n=s.mul(i.add(i.oneMinus().mul(e.pow2())).sqrt());return pf(.5,r.add(n).max(If))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),CR=Zp((({alphaT:t,alphaB:e,dotTV:s,dotBV:i,dotTL:r,dotBL:n,dotNV:o,dotNL:a})=>{const h=a.mul(cm(t.mul(s),e.mul(i),o).length()),l=o.mul(cm(t.mul(r),e.mul(n),a).length());return pf(.5,h.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),ER=Zp((({alpha:t,dotNH:e})=>{const s=t.pow2(),i=e.pow2().mul(s.oneMinus()).oneMinus();return s.div(i.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),BR=im(1/Math.PI),IR=Zp((({alphaT:t,alphaB:e,dotNH:s,dotTH:i,dotBH:r})=>{const n=t.mul(e),o=cm(e.mul(i),t.mul(r),n.mul(s)),a=o.dot(o),h=n.div(a);return BR.mul(n.mul(h.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),PR=Zp((t=>{const{lightDirection:e,f0:s,f90:i,roughness:r,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=t,h=t.normalView||Hx,l=r.pow2(),u=e.add(zb).normalize(),c=h.dot(e).clamp(),d=h.dot(zb).clamp(),p=h.dot(u).clamp(),m=zb.dot(u).clamp();let g,f,y=yR({f0:s,f90:i,dotVH:m});if(Wp(o)&&(y=vg.mix(y,n)),Wp(a)){const t=Mg.dot(e),s=Mg.dot(zb),i=Mg.dot(u),r=Ag.dot(e),n=Ag.dot(zb),o=Ag.dot(u);g=CR({alphaT:wg,alphaB:l,dotTV:s,dotBV:n,dotTL:t,dotBL:r,dotNV:d,dotNL:c}),f=IR({alphaT:wg,alphaB:l,dotNH:p,dotTH:i,dotBH:o})}else g=RR({alpha:l,dotNL:c,dotNV:d}),f=ER({alpha:l,dotNH:p});return y.mul(g).mul(f)})),FR=Zp((({roughness:t,dotNV:e})=>{const s=gm(-1,-.0275,-.572,.022),i=gm(1,.0425,1.04,-.04),r=t.mul(s).add(i),n=r.x.mul(r.x).min(e.mul(-9.28).exp2()).mul(r.x).add(r.y);return am(-1.04,1.04).mul(n).add(r.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),UR=Zp((t=>{const{dotNV:e,specularColor:s,specularF90:i,roughness:r}=t,n=FR({dotNV:e,roughness:r});return s.mul(n.x).add(i.mul(n.y))})),OR=Zp((({f:t,f90:e,dotVH:s})=>{const i=s.oneMinus().saturate(),r=i.mul(i),n=i.mul(r,r).clamp(0,.9999);return t.sub(cm(e).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),zR=Zp((({roughness:t,dotNH:e})=>{const s=t.pow2(),i=im(1).div(s),r=e.pow2().oneMinus().max(.0078125);return im(2).add(i).mul(r.pow(i.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),LR=Zp((({dotNV:t,dotNL:e})=>im(1).div(im(4).mul(e.add(t).sub(e.mul(t)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),VR=Zp((({lightDirection:t})=>{const e=t.add(zb).normalize(),s=Hx.dot(t).clamp(),i=Hx.dot(zb).clamp(),r=Hx.dot(e).clamp(),n=zR({roughness:bg,dotNH:r}),o=LR({dotNV:i,dotNL:s});return xg.mul(n).mul(o)})),DR=Zp((({N:t,V:e,roughness:s})=>{const i=t.dot(e).saturate(),r=am(s,i.oneMinus().sqrt());return r.assign(r.mul(.984375).add(.0078125)),r})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),kR=Zp((({f:t})=>{const e=t.length();return xy(e.mul(e).add(t.z).div(e.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),GR=Zp((({v1:t,v2:e})=>{const s=t.dot(e),i=s.abs().toVar(),r=i.mul(.0145206).add(.4965155).mul(i).add(.8543985).toVar(),n=i.add(4.1616724).mul(i).add(3.417594).toVar(),o=r.div(n),a=s.greaterThan(0).cond(o,xy(s.mul(s).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return t.cross(e).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),WR=Zp((({N:t,V:e,P:s,mInv:i,p0:r,p1:n,p2:o,p3:a})=>{const h=n.sub(r).toVar(),l=a.sub(r).toVar(),u=h.cross(l),c=cm().toVar();return tm(u.dot(s.sub(r)).greaterThanEqual(0),(()=>{const h=e.sub(t.mul(e.dot(t))).normalize(),l=t.cross(h).negate(),u=i.mul(wm(h,l,t).transpose()).toVar(),d=u.mul(r.sub(s)).normalize().toVar(),p=u.mul(n.sub(s)).normalize().toVar(),m=u.mul(o.sub(s)).normalize().toVar(),g=u.mul(a.sub(s)).normalize().toVar(),f=cm(0).toVar();f.addAssign(GR({v1:d,v2:p})),f.addAssign(GR({v1:p,v2:m})),f.addAssign(GR({v1:m,v2:g})),f.addAssign(GR({v1:g,v2:d})),c.assign(cm(kR({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),jR=Zp((([t,e,s,i,r])=>{const n=cm(Oy(e.negate(),Yf(t),pf(1,i))),o=cm(ny(r[0].xyz),ny(r[1].xyz),ny(r[2].xyz));return Yf(n).mul(s.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),HR=Zp((([t,e])=>t.mul(Fy(e.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),qR=CT(),$R=Zp((([t,e,s])=>{const i=qR.uv(t),r=jf(im(vT.x)).mul(HR(e,s));return i.bicubic(r)})),XR=Zp((([t,e,s])=>(tm(s.notEqual(0),(()=>{const i=Wf(e).negate().div(s);return kf(i.negate().mul(t))})),cm(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),YR=Zp((([t,e,s,i,r,n,o,a,h,l,u,c,d,p,m])=>{let g,f;if(m){g=gm().toVar(),f=cm().toVar();const r=u.sub(1).mul(m.mul(.025)),n=cm(u.sub(r),u,u.add(r));nv({start:0,end:3},(({i:r})=>{const u=n.element(r),m=jR(t,e,c,u,a),y=o.add(m),x=l.mul(h.mul(gm(y,1))),b=am(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(am(b.x,b.y.oneMinus()));const v=$R(b,s,u);g.element(r).assign(v.element(r)),g.a.addAssign(v.a),f.element(r).assign(i.element(r).mul(XR(ny(m),d,p).element(r)))})),g.a.divAssign(3)}else{const r=jR(t,e,c,u,a),n=o.add(r),m=l.mul(h.mul(gm(n,1))),y=am(m.xy.div(m.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(am(y.x,y.y.oneMinus())),g=$R(y,s,u),f=i.mul(XR(ny(r),d,p))}const y=f.rgb.mul(g.rgb),x=t.dot(e).clamp(),b=cm(UR({dotNV:x,specularColor:r,specularF90:n,roughness:s})),v=f.r.add(f.g,f.b).div(3);return gm(b.oneMinus().mul(y),g.a.oneMinus().mul(v).oneMinus())})),JR=wm(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),ZR=(t,e)=>t.sub(e).div(t.add(e)).pow2(),QR=(t,e)=>{const s=t.mul(2*Math.PI*1e-9),i=cm(54856e-17,44201e-17,52481e-17),r=cm(1681e3,1795300,2208400),n=cm(43278e5,93046e5,66121e5),o=im(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(s.mul(2239900).add(e.x).cos()).mul(s.pow2().mul(-45282e5).exp());let a=i.mul(n.mul(2*Math.PI).sqrt()).mul(r.mul(s).add(e).cos()).mul(s.pow2().negate().mul(n).exp());a=cm(a.x.add(o),a.y,a.z).div(1.0685e-7);return JR.mul(a)},KR=Zp((({outsideIOR:t,eta2:e,cosTheta1:s,thinFilmThickness:i,baseF0:r})=>{const n=Py(t,e,zy(0,.03,i)),o=t.div(n).pow2().mul(im(1).sub(s.pow2())),a=im(1).sub(o).sqrt(),h=ZR(n,t),l=yR({f0:h,f90:1,dotVH:s}),u=l.oneMinus(),c=n.lessThan(t).cond(Math.PI,0),d=im(Math.PI).sub(c),p=(t=>{const e=t.sqrt();return cm(1).add(e).div(cm(1).sub(e))})(r.clamp(0,.9999)),m=ZR(p,n.toVec3()),g=yR({f0:m,f90:1,dotVH:a}),f=cm(p.x.lessThan(n).cond(Math.PI,0),p.y.lessThan(n).cond(Math.PI,0),p.z.lessThan(n).cond(Math.PI,0)),y=n.mul(i,a,2),x=cm(d).add(f),b=l.mul(g).clamp(1e-5,.9999),v=b.sqrt(),T=u.pow2().mul(g).div(cm(1).sub(b));let _=l.add(T),w=T.sub(u);for(let t=1;t<=2;++t){w=w.mul(v);const e=QR(im(t).mul(y),im(t).mul(x)).mul(2);_=_.add(w.mul(e))}return _.max(cm(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),tC=Zp((({normal:t,viewDir:e,roughness:s})=>{const i=t.dot(e).saturate(),r=s.pow2(),n=Dv(s.lessThan(.25),im(-339.2).mul(r).add(im(161.4).mul(s)).sub(25.9),im(-8.48).mul(r).add(im(14.3).mul(s)).sub(9.95)),o=Dv(s.lessThan(.25),im(44).mul(r).sub(im(23.7).mul(s)).add(3.26),im(1.97).mul(r).sub(im(3.27).mul(s)).add(.72));return Dv(s.lessThan(.25),0,im(.1).mul(s).sub(.025)).add(n.mul(i).add(o).exp()).mul(1/Math.PI).saturate()})),eC=cm(.04),sC=im(1);class iC extends Km{constructor(t=!1,e=!1,s=!1,i=!1,r=!1,n=!1){super(),this.clearcoat=t,this.sheen=e,this.iridescence=s,this.anisotropy=i,this.transmission=r,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(t){if(!0===this.clearcoat&&(this.clearcoatRadiance=cm().temp("clearcoatRadiance"),this.clearcoatSpecularDirect=cm().temp("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=cm().temp("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=cm().temp("sheenSpecularDirect"),this.sheenSpecularIndirect=cm().temp("sheenSpecularIndirect")),!0===this.iridescence){const t=Hx.dot(zb).clamp();this.iridescenceFresnel=KR({outsideIOR:im(1),eta2:Tg,cosTheta1:t,thinFilmThickness:_g,baseF0:Ng}),this.iridescenceF0=OR({f:this.iridescenceFresnel,f90:1,dotVH:t})}if(!0===this.transmission){const e=Fb,s=wx.sub(Fb).normalize(),i=qx;t.backdrop=YR(i,s,mg,pg,Ng,Rg,e,Ox,vx,xx,Fg,Og,Lg,zg,this.dispersion?Vg:null),t.backdropAlpha=Ug,pg.a.mulAssign(Py(1,t.backdrop.a,Ug))}}computeMultiscattering(t,e,s){const i=Hx.dot(zb).clamp(),r=FR({roughness:mg,dotNV:i}),n=(this.iridescenceF0?vg.mix(Ng,this.iridescenceF0):Ng).mul(r.x).add(s.mul(r.y)),o=r.x.add(r.y).oneMinus(),a=Ng.add(Ng.oneMinus().mul(.047619)),h=n.mul(a).div(o.mul(a).oneMinus());t.addAssign(n),e.addAssign(h.mul(o))}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=Hx.dot(t).clamp().mul(e);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(i.mul(VR({lightDirection:t}))),!0===this.clearcoat){const s=$x.dot(t).clamp().mul(e);this.clearcoatSpecularDirect.addAssign(s.mul(PR({lightDirection:t,f0:eC,f90:sC,roughness:yg,normalView:$x})))}s.directDiffuse.addAssign(i.mul(xR({diffuseColor:pg.rgb}))),s.directSpecular.addAssign(i.mul(PR({lightDirection:t,f0:Ng,f90:1,roughness:mg,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:t,lightPosition:e,halfWidth:s,halfHeight:i,reflectedLight:r,ltc_1:n,ltc_2:o}){const a=e.add(s).sub(i),h=e.sub(s).sub(i),l=e.sub(s).add(i),u=e.add(s).add(i),c=Hx,d=zb,p=Ob.toVar(),m=DR({N:c,V:d,roughness:mg}),g=n.uv(m).toVar(),f=o.uv(m).toVar(),y=wm(cm(g.x,0,g.y),cm(0,1,0),cm(g.z,0,g.w)).toVar(),x=Ng.mul(f.x).add(Ng.oneMinus().mul(f.y)).toVar();r.directSpecular.addAssign(t.mul(x).mul(WR({N:c,V:d,P:p,mInv:y,p0:a,p1:h,p2:l,p3:u}))),r.directDiffuse.addAssign(t.mul(pg).mul(WR({N:c,V:d,P:p,mInv:wm(1,0,0,0,1,0,0,0,1),p0:a,p1:h,p2:l,p3:u})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(xR({diffuseColor:pg})))}indirectSpecular({radiance:t,iblIrradiance:e,reflectedLight:s}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(e.mul(xg,tC({normal:Hx,viewDir:zb,roughness:bg}))),!0===this.clearcoat){const t=$x.dot(zb).clamp(),e=UR({dotNV:t,specularColor:eC,specularF90:sC,roughness:yg});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(e))}const i=cm().temp("singleScattering"),r=cm().temp("multiScattering"),n=e.mul(1/Math.PI);this.computeMultiscattering(i,r,Rg);const o=i.add(r),a=pg.mul(o.r.max(o.g).max(o.b).oneMinus());s.indirectSpecular.addAssign(t.mul(i)),s.indirectSpecular.addAssign(r.mul(n)),s.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:t,reflectedLight:e}){const s=Hx.dot(zb).clamp().add(t),i=mg.mul(-16).oneMinus().negate().exp2(),r=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),e.indirectDiffuse.mulAssign(t),e.indirectSpecular.mulAssign(r)}finish(t){const{outgoingLight:e}=t;if(!0===this.clearcoat){const t=$x.dot(zb).clamp(),s=yR({dotVH:t,f0:eC,f90:sC}),i=e.mul(fg.mul(s).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(fg));e.assign(i)}if(!0===this.sheen){const t=xg.r.max(xg.g).max(xg.b).mul(.157).oneMinus(),s=e.mul(t).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);e.assign(s)}}}const rC=new Sl;class nC extends $T{constructor(t){super(),this.isMeshStandardNodeMaterial=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(rC),this.setValues(t)}setupLightingModel(){return new iC}setupSpecular(){const t=Py(cm(.04),pg.rgb,gg);Ng.assign(t),Rg.assign(1)}setupVariants(){const t=this.metalnessNode?im(this.metalnessNode):ab;gg.assign(t);let e=this.roughnessNode?im(this.roughnessNode):ob;e=NR({roughness:e}),mg.assign(e),this.setupSpecular(),pg.assign(gm(pg.rgb.mul(t.oneMinus()),pg.a))}copy(t){return this.emissiveNode=t.emissiveNode,this.metalnessNode=t.metalnessNode,this.roughnessNode=t.roughnessNode,super.copy(t)}}XT("MeshStandardNodeMaterial",nC);const oC=new Ml;class aC extends nC{constructor(t){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(oC),this.setValues(t)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const t=this.iorNode?im(this.iorNode):Tb;Fg.assign(t),Ng.assign(Py(yy(Ny(Fg.sub(1).div(Fg.add(1))).mul(ib),cm(1)).mul(sb),pg.rgb,gg)),Rg.assign(Py(sb,1,gg))}setupLightingModel(){return new iC(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(t){if(super.setupVariants(t),this.useClearcoat){const t=this.clearcoatNode?im(this.clearcoatNode):lb,e=this.clearcoatRoughnessNode?im(this.clearcoatRoughnessNode):ub;fg.assign(t),yg.assign(NR({roughness:e}))}if(this.useSheen){const t=this.sheenNode?cm(this.sheenNode):pb,e=this.sheenRoughnessNode?im(this.sheenRoughnessNode):mb;xg.assign(t),bg.assign(e)}if(this.useIridescence){const t=this.iridescenceNode?im(this.iridescenceNode):fb,e=this.iridescenceIORNode?im(this.iridescenceIORNode):yb,s=this.iridescenceThicknessNode?im(this.iridescenceThicknessNode):xb;vg.assign(t),Tg.assign(e),_g.assign(s)}if(this.useAnisotropy){const t=(this.anisotropyNode?am(this.anisotropyNode):gb).toVar();Sg.assign(t.length()),tm(Sg.equal(0),(()=>{t.assign(am(1,0))})).else((()=>{t.divAssign(am(Sg)),Sg.assign(Sg.saturate())})),wg.assign(Sg.pow2().mix(mg.pow2(),1)),Mg.assign(Uv[0].mul(t.x).add(Uv[1].mul(t.y))),Ag.assign(Uv[1].mul(t.x).sub(Uv[0].mul(t.y)))}if(this.useTransmission){const t=this.transmissionNode?im(this.transmissionNode):bb,e=this.thicknessNode?im(this.thicknessNode):vb,s=this.attenuationDistanceNode?im(this.attenuationDistanceNode):_b,i=this.attenuationColorNode?cm(this.attenuationColorNode):wb;if(Ug.assign(t),Og.assign(e),zg.assign(s),Lg.assign(i),this.useDispersion){const t=this.dispersionNode?im(this.dispersionNode):Eb;Vg.assign(t)}}}setupNormal(t){super.setupNormal(t);const e=this.clearcoatNormalNode?cm(this.clearcoatNormalNode):cb;$x.assign(e)}copy(t){return this.clearcoatNode=t.clearcoatNode,this.clearcoatRoughnessNode=t.clearcoatRoughnessNode,this.clearcoatNormalNode=t.clearcoatNormalNode,this.sheenNode=t.sheenNode,this.sheenRoughnessNode=t.sheenRoughnessNode,this.iridescenceNode=t.iridescenceNode,this.iridescenceIORNode=t.iridescenceIORNode,this.iridescenceThicknessNode=t.iridescenceThicknessNode,this.specularIntensityNode=t.specularIntensityNode,this.specularColorNode=t.specularColorNode,this.transmissionNode=t.transmissionNode,this.thicknessNode=t.thicknessNode,this.attenuationDistanceNode=t.attenuationDistanceNode,this.attenuationColorNode=t.attenuationColorNode,this.dispersionNode=t.dispersionNode,this.anisotropyNode=t.anisotropyNode,super.copy(t)}}XT("MeshPhysicalNodeMaterial",aC);class hC extends iC{constructor(t,e,s,i){super(t,e,s),this.useSSS=i}direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){if(!0===this.useSSS){const i=r.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:h,thicknessPowerNode:l,thicknessScaleNode:u}=i,c=t.add(Hx.mul(o)).normalize(),d=im(zb.dot(c.negate()).saturate().pow(l).mul(u)),p=cm(d.add(a).mul(n));s.directDiffuse.addAssign(p.mul(h.mul(e)))}super.direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r)}}class lC extends aC{constructor(t){super(t),this.thicknessColorNode=null,this.thicknessDistortionNode=im(.1),this.thicknessAmbientNode=im(0),this.thicknessAttenuationNode=im(.1),this.thicknessPowerNode=im(2),this.thicknessScaleNode=im(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new hC(this.useClearcoat,this.useSheen,this.useIridescence,this.useSSS)}copy(t){return this.thicknessColorNode=t.thicknessColorNode,this.thicknessDistortionNode=t.thicknessDistortionNode,this.thicknessAmbientNode=t.thicknessAmbientNode,this.thicknessAttenuationNode=t.thicknessAttenuationNode,this.thicknessPowerNode=t.thicknessPowerNode,this.thicknessScaleNode=t.thicknessScaleNode,super.copy(t)}}XT("MeshSSSNodeMaterial",lC);const uC=Zp((({normal:t,lightDirection:e,builder:s})=>{const i=t.dot(e),r=am(i.mul(.5).add(.5),0);if(s.material.gradientMap){const t=px("gradientMap","texture").context({getUV:()=>r});return cm(t.r)}{const t=r.fwidth().mul(.5);return Py(cm(.7),cm(1),zy(im(.7).sub(t.x),im(.7).add(t.x),r.x))}}));class cC extends Km{direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){const n=uC({normal:kx,lightDirection:t,builder:r}).mul(e);s.directDiffuse.addAssign(n.mul(xR({diffuseColor:pg.rgb})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(xR({diffuseColor:pg})))}}const dC=new Nl;class pC extends $T{constructor(t){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(dC),this.setValues(t)}setupLightingModel(){return new cC}}XT("MeshToonNodeMaterial",pC);const mC=new Il;class gC extends $T{constructor(t){super(),this.lights=!1,this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(mC),this.setValues(t)}setupVariants(t){const e=dw;let s;s=t.material.matcap?px("matcap","texture").context({getUV:()=>e}):cm(Py(.2,.8,e.y)),pg.rgb.mulAssign(s.rgb)}}XT("MeshMatcapNodeMaterial",gC);const fC=new za;class yC extends $T{constructor(t){super(),this.isPointsNodeMaterial=!0,this.lights=!1,this.normals=!1,this.transparent=!0,this.sizeNode=null,this.setDefaultValues(fC),this.setValues(t)}copy(t){return this.sizeNode=t.sizeNode,super.copy(t)}}XT("PointsNodeMaterial",yC);const xC=new ao;class bC extends $T{constructor(t){super(),this.isSpriteNodeMaterial=!0,this.lights=!1,this.normals=!1,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(xC),this.setValues(t)}setupPosition({object:t,context:e}){const{positionNode:s,rotationNode:i,scaleNode:r}=this,n=Pb;let o=Fx.mul(cm(s||0)),a=am(Ox[0].xyz.length(),Ox[1].xyz.length());null!==r&&(a=a.mul(r));let h=n.xy;t.center&&!0===t.center.isVector2&&(h=h.sub(nf(t.center).sub(.5))),h=h.mul(a);const l=im(i||db),u=h.rotate(l);o=gm(o.xy.add(u),o.zw);const c=xx.mul(o);return e.vertex=n,c}copy(t){return this.positionNode=t.positionNode,this.rotationNode=t.rotationNode,this.scaleNode=t.scaleNode,super.copy(t)}}XT("SpriteNodeMaterial",bC);class vC extends Km{constructor(){super(),this.shadowNode=im(1).toVar("shadowMask")}direct({shadowMask:t}){this.shadowNode.mulAssign(t)}finish(t){pg.a.mulAssign(this.shadowNode.oneMinus()),t.outgoingLight.rgb.assign(pg.rgb)}}const TC=new _l;class _C extends $T{constructor(t){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(TC),this.setValues(t)}setupLightingModel(){return new vC}}XT("ShadowNodeMaterial",_C);class wC extends $T{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.isVolumeNodeMaterial=!0,this.testNode=null,this.setValues(t)}setup(t){const e=ZM(this.map,null,0),s=Zp((({orig:t,dir:e})=>{const s=cm(-.5),i=cm(.5),r=e.reciprocal(),n=s.sub(t).mul(r),o=i.sub(t).mul(r),a=yy(n,o),h=xy(n,o),l=xy(a.x,xy(a.y,a.z)),u=yy(h.x,yy(h.y,h.z));return am(l,u)}));this.fragmentNode=Zp((()=>{const t=Vm(cm(Dx.mul(gm(wx,1)))),i=Vm(Ib.sub(t)).normalize(),r=cg("vec2","bounds").assign(s({orig:t,dir:i}));r.x.greaterThan(r.y).discard(),r.assign(am(xy(r.x,0),r.y));const n=cg("vec3","p").assign(t.add(r.x.mul(i))),o=cg("vec3","inc").assign(cm(i.abs().reciprocal())),a=cg("float","delta").assign(yy(o.x,yy(o.y,o.z)));a.divAssign(px("steps","float"));const h=cg("vec4","ac").assign(gm(px("base","color"),0));return nv({type:"float",start:r.x,end:r.y,update:"+= delta"},(()=>{const t=cg("float","d").assign(e.uv(n.add(.5)).r);null!==this.testNode?this.testNode({map:e,mapValue:t,probe:n,finalColor:h}).append():(h.a.assign(1),av()),n.addAssign(i.mul(a))})),h.a.equal(0).discard(),gm(h)}))(),super.setup(t)}}XT("VolumeNodeMaterial",wC);const SC=Pu.createMaterialFromType;Pu.createMaterialFromType=function(t){const e=YT(t);return void 0!==e?e:SC.call(this,t)};class MC extends Pu{constructor(t){super(t),this.nodes={}}parse(t){const e=super.parse(t),s=this.nodes,i=t.inputNodes;for(const t in i){const r=i[t];e[t]=s[r]}return e}setNodes(t){return this.nodes=t,this}}class AC extends zu{constructor(t){super(t),this._nodesJSON=null}parse(t,e){this._nodesJSON=t.nodes;const s=super.parse(t,e);return this._nodesJSON=null,s}parseNodes(t,e){if(void 0!==t){const s=new rR;return s.setTextures(e),s.parseNodes(t)}return{}}parseMaterials(t,e){const s={};if(void 0!==t){const i=this.parseNodes(this._nodesJSON,e),r=new MC;r.setTextures(e),r.setNodes(i);for(let e=0,i=t.length;e{const e=(t=t.trim()).indexOf(BC),s=-1!==e?t.slice(e+12):t,i=s.match(CC);if(null!==i&&5===i.length){const r=i[4],n=[];let o=null;for(;null!==(o=EC.exec(r));)n.push(o);const a=[];let h=0;for(;h{const i=im(s).toVar(),r=im(e).toVar(),n=om(t).toVar();return Dv(n,r,i)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),UC=Zp((([t,e])=>{const s=om(e).toVar(),i=im(t).toVar();return Dv(s,i.negate(),i)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),OC=Zp((([t])=>{const e=im(t).toVar();return rm($f(e))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),zC=Zp((([t,e])=>{const s=im(t).toVar();return e.assign(OC(s)),s.sub(im(e))})),LC=uw([Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=im(i).toVar(),l=im(s).toVar(),u=im(e).toVar(),c=im(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=cm(i).toVar(),l=cm(s).toVar(),u=cm(e).toVar(),c=cm(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),VC=uw([Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=im(a).toVar(),g=im(o).toVar(),f=im(n).toVar(),y=im(r).toVar(),x=im(i).toVar(),b=im(s).toVar(),v=im(e).toVar(),T=im(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=cm(a).toVar(),g=cm(o).toVar(),f=cm(n).toVar(),y=cm(r).toVar(),x=cm(i).toVar(),b=cm(s).toVar(),v=cm(e).toVar(),T=cm(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),DC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=nm(t).toVar(),o=nm(n.bitAnd(nm(7))).toVar(),a=im(FC(o.lessThan(nm(4)),r,i)).toVar(),h=im(df(2,FC(o.lessThan(nm(4)),i,r))).toVar();return UC(a,om(o.bitAnd(nm(1)))).add(UC(h,om(o.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),kC=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=nm(t).toVar(),h=nm(a.bitAnd(nm(15))).toVar(),l=im(FC(h.lessThan(nm(8)),o,n)).toVar(),u=im(FC(h.lessThan(nm(4)),n,FC(h.equal(nm(12)).or(h.equal(nm(14))),o,r))).toVar();return UC(l,om(h.bitAnd(nm(1)))).add(UC(u,om(h.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),GC=uw([DC,kC]),WC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=pm(t).toVar();return cm(GC(n.x,r,i),GC(n.y,r,i),GC(n.z,r,i))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),jC=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=pm(t).toVar();return cm(GC(a.x,o,n,r),GC(a.y,o,n,r),GC(a.z,o,n,r))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),HC=uw([WC,jC]),qC=Zp((([t])=>{const e=im(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),$C=Zp((([t])=>{const e=im(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),XC=uw([qC,Zp((([t])=>{const e=cm(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),YC=uw([$C,Zp((([t])=>{const e=cm(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),JC=Zp((([t,e])=>{const s=rm(e).toVar(),i=nm(t).toVar();return i.shiftLeft(s).bitOr(i.shiftRight(rm(32).sub(s)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),ZC=Zp((([t,e,s])=>{t.subAssign(s),t.bitXorAssign(JC(s,rm(4))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(JC(t,rm(6))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(JC(e,rm(8))),e.addAssign(t),t.subAssign(s),t.bitXorAssign(JC(s,rm(16))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(JC(t,rm(19))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(JC(e,rm(4))),e.addAssign(t)})),QC=Zp((([t,e,s])=>{const i=nm(s).toVar(),r=nm(e).toVar(),n=nm(t).toVar();return i.bitXorAssign(r),i.subAssign(JC(r,rm(14))),n.bitXorAssign(i),n.subAssign(JC(i,rm(11))),r.bitXorAssign(n),r.subAssign(JC(n,rm(25))),i.bitXorAssign(r),i.subAssign(JC(r,rm(16))),n.bitXorAssign(i),n.subAssign(JC(i,rm(4))),r.bitXorAssign(n),r.subAssign(JC(n,rm(14))),i.bitXorAssign(r),i.subAssign(JC(r,rm(24))),i})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),KC=Zp((([t])=>{const e=nm(t).toVar();return im(e).div(im(nm(rm(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),tE=Zp((([t])=>{const e=im(t).toVar();return e.mul(e).mul(e).mul(e.mul(e.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),eE=uw([Zp((([t])=>{const e=rm(t).toVar(),s=nm(nm(1)).toVar(),i=nm(nm(rm(3735928559)).add(s.shiftLeft(nm(2))).add(nm(13))).toVar();return QC(i.add(nm(e)),i,i)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(nm(2)).toVar(),n=nm().toVar(),o=nm().toVar(),a=nm().toVar();return n.assign(o.assign(a.assign(nm(rm(3735928559)).add(r.shiftLeft(nm(2))).add(nm(13))))),n.addAssign(nm(i)),o.addAssign(nm(s)),QC(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(nm(3)).toVar(),a=nm().toVar(),h=nm().toVar(),l=nm().toVar();return a.assign(h.assign(l.assign(nm(rm(3735928559)).add(o.shiftLeft(nm(2))).add(nm(13))))),a.addAssign(nm(n)),h.addAssign(nm(r)),l.addAssign(nm(i)),QC(a,h,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),Zp((([t,e,s,i])=>{const r=rm(i).toVar(),n=rm(s).toVar(),o=rm(e).toVar(),a=rm(t).toVar(),h=nm(nm(4)).toVar(),l=nm().toVar(),u=nm().toVar(),c=nm().toVar();return l.assign(u.assign(c.assign(nm(rm(3735928559)).add(h.shiftLeft(nm(2))).add(nm(13))))),l.addAssign(nm(a)),u.addAssign(nm(o)),c.addAssign(nm(n)),ZC(l,u,c),l.addAssign(nm(r)),QC(l,u,c)})).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),Zp((([t,e,s,i,r])=>{const n=rm(r).toVar(),o=rm(i).toVar(),a=rm(s).toVar(),h=rm(e).toVar(),l=rm(t).toVar(),u=nm(nm(5)).toVar(),c=nm().toVar(),d=nm().toVar(),p=nm().toVar();return c.assign(d.assign(p.assign(nm(rm(3735928559)).add(u.shiftLeft(nm(2))).add(nm(13))))),c.addAssign(nm(l)),d.addAssign(nm(h)),p.addAssign(nm(a)),ZC(c,d,p),c.addAssign(nm(o)),d.addAssign(nm(n)),QC(c,d,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),sE=uw([Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(eE(i,s)).toVar(),n=pm().toVar();return n.x.assign(r.bitAnd(rm(255))),n.y.assign(r.shiftRight(rm(8)).bitAnd(rm(255))),n.z.assign(r.shiftRight(rm(16)).bitAnd(rm(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(eE(n,r,i)).toVar(),a=pm().toVar();return a.x.assign(o.bitAnd(rm(255))),a.y.assign(o.shiftRight(rm(8)).bitAnd(rm(255))),a.z.assign(o.shiftRight(rm(16)).bitAnd(rm(255))),a})).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),iE=uw([Zp((([t])=>{const e=am(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=im(zC(e.x,s)).toVar(),n=im(zC(e.y,i)).toVar(),o=im(tE(r)).toVar(),a=im(tE(n)).toVar(),h=im(LC(GC(eE(s,i),r,n),GC(eE(s.add(rm(1)),i),r.sub(1),n),GC(eE(s,i.add(rm(1))),r,n.sub(1)),GC(eE(s.add(rm(1)),i.add(rm(1))),r.sub(1),n.sub(1)),o,a)).toVar();return XC(h)})).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=rm().toVar(),n=im(zC(e.x,s)).toVar(),o=im(zC(e.y,i)).toVar(),a=im(zC(e.z,r)).toVar(),h=im(tE(n)).toVar(),l=im(tE(o)).toVar(),u=im(tE(a)).toVar(),c=im(VC(GC(eE(s,i,r),n,o,a),GC(eE(s.add(rm(1)),i,r),n.sub(1),o,a),GC(eE(s,i.add(rm(1)),r),n,o.sub(1),a),GC(eE(s.add(rm(1)),i.add(rm(1)),r),n.sub(1),o.sub(1),a),GC(eE(s,i,r.add(rm(1))),n,o,a.sub(1)),GC(eE(s.add(rm(1)),i,r.add(rm(1))),n.sub(1),o,a.sub(1)),GC(eE(s,i.add(rm(1)),r.add(rm(1))),n,o.sub(1),a.sub(1)),GC(eE(s.add(rm(1)),i.add(rm(1)),r.add(rm(1))),n.sub(1),o.sub(1),a.sub(1)),h,l,u)).toVar();return YC(c)})).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),rE=uw([Zp((([t])=>{const e=am(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=im(zC(e.x,s)).toVar(),n=im(zC(e.y,i)).toVar(),o=im(tE(r)).toVar(),a=im(tE(n)).toVar(),h=cm(LC(HC(sE(s,i),r,n),HC(sE(s.add(rm(1)),i),r.sub(1),n),HC(sE(s,i.add(rm(1))),r,n.sub(1)),HC(sE(s.add(rm(1)),i.add(rm(1))),r.sub(1),n.sub(1)),o,a)).toVar();return XC(h)})).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=rm().toVar(),n=im(zC(e.x,s)).toVar(),o=im(zC(e.y,i)).toVar(),a=im(zC(e.z,r)).toVar(),h=im(tE(n)).toVar(),l=im(tE(o)).toVar(),u=im(tE(a)).toVar(),c=cm(VC(HC(sE(s,i,r),n,o,a),HC(sE(s.add(rm(1)),i,r),n.sub(1),o,a),HC(sE(s,i.add(rm(1)),r),n,o.sub(1),a),HC(sE(s.add(rm(1)),i.add(rm(1)),r),n.sub(1),o.sub(1),a),HC(sE(s,i,r.add(rm(1))),n,o,a.sub(1)),HC(sE(s.add(rm(1)),i,r.add(rm(1))),n.sub(1),o,a.sub(1)),HC(sE(s,i.add(rm(1)),r.add(rm(1))),n,o.sub(1),a.sub(1)),HC(sE(s.add(rm(1)),i.add(rm(1)),r.add(rm(1))),n.sub(1),o.sub(1),a.sub(1)),h,l,u)).toVar();return YC(c)})).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),nE=uw([Zp((([t])=>{const e=im(t).toVar(),s=rm(OC(e)).toVar();return KC(eE(s))})).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),Zp((([t])=>{const e=am(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar();return KC(eE(s,i))})).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar(),r=rm(OC(e.z)).toVar();return KC(eE(s,i,r))})).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),Zp((([t])=>{const e=gm(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar(),r=rm(OC(e.z)).toVar(),n=rm(OC(e.w)).toVar();return KC(eE(s,i,r,n))})).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),oE=uw([Zp((([t])=>{const e=im(t).toVar(),s=rm(OC(e)).toVar();return cm(KC(eE(s,rm(0))),KC(eE(s,rm(1))),KC(eE(s,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),Zp((([t])=>{const e=am(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar();return cm(KC(eE(s,i,rm(0))),KC(eE(s,i,rm(1))),KC(eE(s,i,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar(),r=rm(OC(e.z)).toVar();return cm(KC(eE(s,i,r,rm(0))),KC(eE(s,i,r,rm(1))),KC(eE(s,i,r,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Zp((([t])=>{const e=gm(t).toVar(),s=rm(OC(e.x)).toVar(),i=rm(OC(e.y)).toVar(),r=rm(OC(e.z)).toVar(),n=rm(OC(e.w)).toVar();return cm(KC(eE(s,i,r,n,rm(0))),KC(eE(s,i,r,n,rm(1))),KC(eE(s,i,r,n,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),aE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=im(0).toVar(),l=im(1).toVar();return nv(o,(()=>{h.addAssign(l.mul(iE(a))),l.mulAssign(r),a.mulAssign(n)})),h})).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),hE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=cm(0).toVar(),l=im(1).toVar();return nv(o,(()=>{h.addAssign(l.mul(rE(a))),l.mulAssign(r),a.mulAssign(n)})),h})).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),lE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar();return am(aE(a,o,n,r),aE(a.add(cm(rm(19),rm(193),rm(17))),o,n,r))})).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),uE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=cm(hE(a,o,n,r)).toVar(),l=im(aE(a.add(cm(rm(19),rm(193),rm(17))),o,n,r)).toVar();return gm(h,l)})).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),cE=Zp((([t,e,s,i,r,n,o])=>{const a=rm(o).toVar(),h=im(n).toVar(),l=rm(r).toVar(),u=rm(i).toVar(),c=rm(s).toVar(),d=rm(e).toVar(),p=am(t).toVar(),m=cm(oE(am(d.add(u),c.add(l)))).toVar(),g=am(m.x,m.y).toVar();g.subAssign(.5),g.mulAssign(h),g.addAssign(.5);const f=am(am(im(d),im(c)).add(g)).toVar(),y=am(f.sub(p)).toVar();return tm(a.equal(rm(2)),(()=>iy(y.x).add(iy(y.y)))),tm(a.equal(rm(3)),(()=>xy(iy(y.x),iy(y.y)))),Sy(y,y)})).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),dE=uw([cE,Zp((([t,e,s,i,r,n,o,a,h])=>{const l=rm(h).toVar(),u=im(a).toVar(),c=rm(o).toVar(),d=rm(n).toVar(),p=rm(r).toVar(),m=rm(i).toVar(),g=rm(s).toVar(),f=rm(e).toVar(),y=cm(t).toVar(),x=cm(oE(cm(f.add(p),g.add(d),m.add(c)))).toVar();x.subAssign(.5),x.mulAssign(u),x.addAssign(.5);const b=cm(cm(im(f),im(g),im(m)).add(x)).toVar(),v=cm(b.sub(y)).toVar();return tm(l.equal(rm(2)),(()=>iy(v.x).add(iy(v.y)).add(iy(v.z)))),tm(l.equal(rm(3)),(()=>xy(xy(iy(v.x),iy(v.y)),iy(v.z)))),Sy(v,v)})).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),pE=Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=am(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=am(zC(n.x,o),zC(n.y,a)).toVar(),l=im(1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{const s=im(dE(h,t,e,o,a,r,i)).toVar();l.assign(yy(l,s))}))})),tm(i.equal(rm(0)),(()=>{l.assign(Hf(l))})),l})).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),mE=Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=am(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=am(zC(n.x,o),zC(n.y,a)).toVar(),l=am(1e6,1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{const s=im(dE(h,t,e,o,a,r,i)).toVar();tm(s.lessThan(l.x),(()=>{l.y.assign(l.x),l.x.assign(s)})).elseif(s.lessThan(l.y),(()=>{l.y.assign(s)}))}))})),tm(i.equal(rm(0)),(()=>{l.assign(Hf(l))})),l})).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),gE=Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=am(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=am(zC(n.x,o),zC(n.y,a)).toVar(),l=cm(1e6,1e6,1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{const s=im(dE(h,t,e,o,a,r,i)).toVar();tm(s.lessThan(l.x),(()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(s)})).elseif(s.lessThan(l.y),(()=>{l.z.assign(l.y),l.y.assign(s)})).elseif(s.lessThan(l.z),(()=>{l.z.assign(s)}))}))})),tm(i.equal(rm(0)),(()=>{l.assign(Hf(l))})),l})).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),fE=uw([pE,Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=cm(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=rm().toVar(),l=cm(zC(n.x,o),zC(n.y,a),zC(n.z,h)).toVar(),u=im(1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{nv({start:-1,end:rm(1),name:"z",condition:"<="},(({z:s})=>{const n=im(dE(l,t,e,s,o,a,h,r,i)).toVar();u.assign(yy(u,n))}))}))})),tm(i.equal(rm(0)),(()=>{u.assign(Hf(u))})),u})).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),yE=uw([mE,Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=cm(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=rm().toVar(),l=cm(zC(n.x,o),zC(n.y,a),zC(n.z,h)).toVar(),u=am(1e6,1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{nv({start:-1,end:rm(1),name:"z",condition:"<="},(({z:s})=>{const n=im(dE(l,t,e,s,o,a,h,r,i)).toVar();tm(n.lessThan(u.x),(()=>{u.y.assign(u.x),u.x.assign(n)})).elseif(n.lessThan(u.y),(()=>{u.y.assign(n)}))}))}))})),tm(i.equal(rm(0)),(()=>{u.assign(Hf(u))})),u})).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),xE=uw([gE,Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=cm(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=rm().toVar(),l=cm(zC(n.x,o),zC(n.y,a),zC(n.z,h)).toVar(),u=cm(1e6,1e6,1e6).toVar();return nv({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{nv({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{nv({start:-1,end:rm(1),name:"z",condition:"<="},(({z:s})=>{const n=im(dE(l,t,e,s,o,a,h,r,i)).toVar();tm(n.lessThan(u.x),(()=>{u.z.assign(u.y),u.y.assign(u.x),u.x.assign(n)})).elseif(n.lessThan(u.y),(()=>{u.z.assign(u.y),u.y.assign(n)})).elseif(n.lessThan(u.z),(()=>{u.z.assign(n)}))}))}))})),tm(i.equal(rm(0)),(()=>{u.assign(Hf(u))})),u})).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),bE=Zp((([t])=>{const e=cm(t).toVar(),s=im(e.x).toVar(),i=im(e.y).toVar(),r=im(e.z).toVar();tm(i.lessThan(1e-4),(()=>cm(r,r,r))).else((()=>{s.assign(df(6,s.sub($f(s))));const t=rm(dy(s)).toVar(),e=im(s.sub(im(t))).toVar(),n=im(r.mul(cf(1,i))).toVar(),o=im(r.mul(cf(1,i.mul(e)))).toVar(),a=im(r.mul(cf(1,i.mul(cf(1,e))))).toVar();return tm(t.equal(rm(0)),(()=>cm(r,a,n))).elseif(t.equal(rm(1)),(()=>cm(o,r,n))).elseif(t.equal(rm(2)),(()=>cm(n,r,a))).elseif(t.equal(rm(3)),(()=>cm(n,o,r))).elseif(t.equal(rm(4)),(()=>cm(a,n,r))),cm(r,n,o)}))})).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),vE=Zp((([t])=>{const e=cm(t).toVar(),s=im(e.x).toVar(),i=im(e.y).toVar(),r=im(e.z).toVar(),n=im(yy(s,yy(i,r))).toVar(),o=im(xy(s,xy(i,r))).toVar(),a=im(o.sub(n)).toVar(),h=im().toVar(),l=im().toVar(),u=im().toVar();return u.assign(o),tm(o.greaterThan(0),(()=>{l.assign(a.div(o))})).else((()=>{l.assign(0)})),tm(l.lessThanEqual(0),(()=>{h.assign(0)})).else((()=>{tm(s.greaterThanEqual(o),(()=>{h.assign(i.sub(r).div(a))})).elseif(i.greaterThanEqual(o),(()=>{h.assign(uf(2,r.sub(s).div(a)))})).else((()=>{h.assign(uf(4,s.sub(i).div(a)))})),h.mulAssign(1/6),tm(h.lessThan(0),(()=>{h.addAssign(1)}))})),cm(h,l,u)})).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),TE=Zp((([t])=>{const e=cm(t).toVar(),s=mm(xf(e,cm(.04045))).toVar(),i=cm(e.div(12.92)).toVar(),r=cm(Ay(xy(e.add(cm(.055)),cm(0)).div(1.055),cm(2.4))).toVar();return Py(i,r,s)})).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),_E=(t,e)=>{t=im(t),e=im(e);const s=am(e.dFdx(),e.dFdy()).length().mul(.7071067811865476);return zy(t.sub(s),t.add(s),e)},wE=(t,e,s,i)=>Py(t,e,s[i].clamp()),SE=(t,e,s=of())=>wE(t,e,s,"x"),ME=(t,e,s=of())=>wE(t,e,s,"y"),AE=(t,e,s,i,r)=>Py(t,e,_E(s,i[r])),NE=(t,e,s,i=of())=>AE(t,e,s,i,"x"),RE=(t,e,s,i=of())=>AE(t,e,s,i,"y"),CE=(t=1,e=0,s=of())=>s.mul(t).add(e),EE=(t,e=1)=>(t=im(t)).abs().pow(e).mul(t.sign()),BE=(t,e=1,s=.5)=>im(t).sub(s).mul(e).add(s),IE=(t=of(),e=1,s=0)=>iE(t.convert("vec2|vec3")).mul(e).add(s),PE=(t=of(),e=1,s=0)=>rE(t.convert("vec2|vec3")).mul(e).add(s),FE=(t=of(),e=1,s=0)=>{t=t.convert("vec2|vec3");return gm(rE(t),iE(t.add(am(19,73)))).mul(e).add(s)},UE=(t=of(),e=1)=>fE(t.convert("vec2|vec3"),e,rm(1)),OE=(t=of(),e=1)=>yE(t.convert("vec2|vec3"),e,rm(1)),zE=(t=of(),e=1)=>xE(t.convert("vec2|vec3"),e,rm(1)),LE=(t=of())=>nE(t.convert("vec2|vec3")),VE=(t=of(),e=3,s=2,i=.5,r=1)=>aE(t,rm(e),s,i).mul(r),DE=(t=of(),e=3,s=2,i=.5,r=1)=>lE(t,rm(e),s,i).mul(r),kE=(t=of(),e=3,s=2,i=.5,r=1)=>hE(t,rm(e),s,i).mul(r),GE=(t=of(),e=3,s=2,i=.5,r=1)=>uE(t,rm(e),s,i).mul(r);function WE(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function jE(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}class HE{constructor(){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparent=[],this.bundles=[],this.lightsNode=new Tv([]),this.lightsArray=[],this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(t,e,s,i,r,n){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:t.id,object:t,geometry:e,material:s,groupOrder:i,renderOrder:t.renderOrder,z:r,group:n},this.renderItems[this.renderItemsIndex]=o):(o.id=t.id,o.object=t,o.geometry=e,o.material=s,o.groupOrder=i,o.renderOrder=t.renderOrder,o.z=r,o.group=n),this.renderItemsIndex++,o}push(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);!0===t.occlusionTest&&this.occlusionQueryCount++,(!0===s.transparent||s.transmission>0?this.transparent:this.opaque).push(o)}unshift(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);(!0===s.transparent?this.transparent:this.opaque).unshift(o)}pushBundle(t){this.bundles.push(t)}pushLight(t){this.lightsArray.push(t)}getLightsNode(){return this.lightsNode.fromLights(this.lightsArray)}sort(t,e){this.opaque.length>1&&this.opaque.sort(t||WE),this.transparent.length>1&&this.transparent.sort(e||jE)}finish(){this.lightsNode.fromLights(this.lightsArray);for(let t=this.renderItemsIndex,e=this.renderItems.length;t>e,l=a.height>>e;let u=t.depthTexture||r[e],c=!1;void 0===u&&(u=new Za,u.format=t.stencilBuffer?jt:Wt,u.type=t.stencilBuffer?Ot:Bt,u.image.width=h,u.image.height=l,r[e]=u),s.width===a.width&&a.height===s.height||(c=!0,u.needsUpdate=!0,u.image.width=h,u.image.height=l),s.width=a.width,s.height=a.height,s.textures=o,s.depthTexture=u,s.depth=t.depthBuffer,s.stencil=t.stencilBuffer,s.renderTarget=t,s.sampleCount!==i&&(c=!0,u.needsUpdate=!0,s.sampleCount=i);const d={sampleCount:i};for(let t=0;t{if(t.removeEventListener("dispose",e),void 0!==o)for(let t=0;t0){const i=t.image;if(void 0===i)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===i.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(t.images){const s=[];for(const e of t.images)s.push(e);e.images=s}else e.image=i;void 0!==s.isDefaultTexture&&!0!==s.isDefaultTexture||(r.createTexture(t,e),s.isDefaultTexture=!1),!0===t.source.dataReady&&r.updateTexture(t,e),e.needsMipmaps&&0===t.mipmaps.length&&r.generateMipmaps(t)}}else r.createDefaultTexture(t),s.isDefaultTexture=!0}if(!0!==s.initialized){s.initialized=!0,this.info.memory.textures++;const e=()=>{t.removeEventListener("dispose",e),this._destroyTexture(t),this.info.memory.textures--};t.addEventListener("dispose",e)}s.version=t.version}getSize(t,e=JE){let s=t.images?t.images[0]:t.image;return s?(void 0!==s.image&&(s=s.image),e.width=s.width,e.height=s.height,e.depth=t.isCubeTexture?6:s.depth||1):e.width=e.height=e.depth=1,e}getMipLevels(t,e,s){let i;return i=t.isCompressedTexture?t.mipmaps.length:Math.floor(Math.log2(Math.max(e,s)))+1,i}needsMipmaps(t){return!!this.isEnvironmentTexture(t)||(!0===t.isCompressedTexture||t.minFilter!==ft&&t.minFilter!==Tt)}isEnvironmentTexture(t){const e=t.mapping;return e===ut||e===ct||e===ht||e===lt}_destroyTexture(t){this.backend.destroySampler(t),this.backend.destroyTexture(t),this.delete(t)}}class QE extends $r{constructor(t,e,s,i=1){super(t,e,s),this.a=i}set(t,e,s,i=1){return this.a=i,super.set(t,e,s)}copy(t){return void 0!==t.a&&(this.a=t.a),super.copy(t)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}const KE=new QE;class tB extends Nd{constructor(t,e){super(),this.renderer=t,this.nodes=e}update(t,e,s){const i=this.renderer,r=this.nodes.getBackgroundNode(t)||t.background;let n=!1;if(null===r)i._clearColor.getRGB(KE,Ye),KE.a=i._clearColor.a;else if(!0===r.isColor)r.getRGB(KE,Ye),KE.a=1,n=!0;else if(!0===r.isNode){const s=this.get(t),n=r;KE.copy(i._clearColor);let o=s.backgroundMesh;if(void 0===o){const t=$m(gm(n).mul(_S),{getUV:()=>jx,getTextureLevel:()=>TS});let e=Vb();e=e.setZ(e.w);const i=new $T;i.side=d,i.depthTest=!1,i.depthWrite=!1,i.fog=!1,i.vertexNode=e,i.fragmentNode=t,s.backgroundMeshNode=t,s.backgroundMesh=o=new kn(new ml(1,32,32),i),o.frustumCulled=!1,o.onBeforeRender=function(t,e,s){this.matrixWorld.copyPosition(s.matrixWorld)}}const a=n.getCacheKey();s.backgroundCacheKey!==a&&(s.backgroundMeshNode.node=gm(n).mul(_S),o.material.needsUpdate=!0,s.backgroundCacheKey=a),e.unshift(o,o.geometry,o.material,0,0,null)}else console.error("THREE.Renderer: Unsupported background configuration.",r);if(!0===i.autoClear||!0===n){KE.multiplyScalar(KE.a);const t=s.clearColorValue;t.r=KE.r,t.g=KE.g,t.b=KE.b,t.a=KE.a,s.depthClearValue=i._clearDepth,s.stencilClearValue=i._clearStencil,s.clearColor=!0===i.autoClearColor,s.clearDepth=!0===i.autoClearDepth,s.clearStencil=!0===i.autoClearStencil}else s.clearColor=!1,s.clearDepth=!1,s.clearStencil=!1}}class eB{constructor(t,e,s,i,r,n,o,a,h=!0,l=[]){this.vertexShader=t,this.fragmentShader=e,this.computeShader=s,this.transforms=l,this.nodeAttributes=i,this.bindings=r,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.instanceBindGroups=h,this.usedTimes=0}createBindings(){const t=[];for(const e of this.bindings){if(!0!==(this.instanceBindGroups&&e.bindings[0].groupNode.shared)){const s=new z_(e.name);t.push(s);for(const t of e.bindings)s.bindings.push(t.clone())}else t.push(e)}return t}}class sB extends Nd{constructor(t,e){super(),this.renderer=t,this.backend=e,this.nodeFrame=new W_,this.nodeBuilderCache=new Map,this.callHashCache=new vd,this.groupsData=new vd}updateGroup(t){const e=t.groupNode,s=e.name;if(s===sf.name)return!0;if(s===ef.name){const e=this.get(t),s=this.nodeFrame.renderId;return e.renderId!==s&&(e.renderId=s,!0)}if(s===tf.name){const e=this.get(t),s=this.nodeFrame.frameId;return e.frameId!==s&&(e.frameId=s,!0)}const i=[e,t];let r=this.groupsData.get(i);return void 0===r&&this.groupsData.set(i,r={}),r.version!==e.version&&(r.version=e.version,!0)}getForRenderCacheKey(t){return t.initialCacheKey}getForRender(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,r=this.getForRenderCacheKey(t);if(s=i.get(r),void 0===s){const e=this.backend.createNodeBuilder(t.object,this.renderer);e.scene=t.scene,e.material=t.material,e.camera=t.camera,e.context.material=t.material,e.lightsNode=t.lightsNode,e.environmentNode=this.getEnvironmentNode(t.scene),e.fogNode=this.getFogNode(t.scene),e.clippingContext=t.clippingContext,e.build(),s=this._createNodeBuilderState(e),i.set(r,s)}s.usedTimes++,e.nodeBuilderState=s}return s}delete(t){if(t.isRenderObject){const e=this.get(t).nodeBuilderState;e.usedTimes--,0===e.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(t))}return super.delete(t)}getForCompute(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const i=this.backend.createNodeBuilder(t,this.renderer);i.build(),s=this._createNodeBuilderState(i),e.nodeBuilderState=s}return s}_createNodeBuilderState(t){return new eB(t.vertexShader,t.fragmentShader,t.computeShader,t.getAttributesArray(),t.getBindings(),t.updateNodes,t.updateBeforeNodes,t.updateAfterNodes,t.instanceBindGroups,t.transforms)}getEnvironmentNode(t){return t.environmentNode||this.get(t).environmentNode||null}getBackgroundNode(t){return t.backgroundNode||this.get(t).backgroundNode||null}getFogNode(t){return t.fogNode||this.get(t).fogNode||null}getCacheKey(t,e){const s=[t,e],i=this.renderer.info.calls;let r=this.callHashCache.get(s);if(void 0===r||r.callId!==i){const n=this.getEnvironmentNode(t),o=this.getFogNode(t),a=[];e&&a.push(e.getCacheKey()),n&&a.push(n.getCacheKey()),o&&a.push(o.getCacheKey()),r={callId:i,cacheKey:a.join(",")},this.callHashCache.set(s,r)}return r.cacheKey}updateScene(t){this.updateEnvironment(t),this.updateFog(t),this.updateBackground(t)}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(t){const e=this.get(t),s=t.background;if(s){if(e.background!==s){let t=null;!0===s.isCubeTexture||s.mapping===ut||s.mapping===ct?t=uT(s,jx):!0===s.isTexture?t=tx(s,wT).setUpdateMatrix(!0):!0!==s.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",s),e.backgroundNode=t,e.background=s}}else e.backgroundNode&&(delete e.backgroundNode,delete e.background)}updateFog(t){const e=this.get(t),s=t.fog;if(s){if(e.fog!==s){let t=null;s.isFogExp2?t=FN(ux("color","color",s),ux("density","float",s)):s.isFog?t=IN(ux("color","color",s),ux("near","float",s),ux("far","float",s)):console.error("WebGPUNodes: Unsupported fog configuration.",s),e.fogNode=t,e.fog=s}}else delete e.fogNode,delete e.fog}updateEnvironment(t){const e=this.get(t),s=t.environment;if(s){if(e.environment!==s){let t=null;!0===s.isCubeTexture?t=fv(s):!0===s.isTexture?t=tx(s):console.error("Nodes: Unsupported environment configuration.",s),e.environmentNode=t,e.environment=s}}else e.environmentNode&&(delete e.environmentNode,delete e.environment)}getNodeFrame(t=this.renderer,e=null,s=null,i=null,r=null){const n=this.nodeFrame;return n.renderer=t,n.scene=e,n.object=s,n.camera=i,n.material=r,n}getNodeFrameForRender(t){return this.getNodeFrame(t.renderer,t.scene,t.object,t.camera,t.material)}getOutputNode(t){let e=tx(t,_T);return this.isToneMappingState&&(this.renderer.toneMappingNode?e=gm(this.renderer.toneMappingNode.context({color:e.rgb}),e.a):0!==this.renderer.toneMapping&&(e=e.toneMapping(this.renderer.toneMapping))),this.renderer.currentColorSpace===Xe&&(e=e.linearToColorSpace(this.renderer.currentColorSpace)),e}updateBefore(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateBeforeNodes)e.updateBeforeNode(t)}updateAfter(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateAfterNodes)e.updateAfterNode(t)}updateForCompute(t){const e=this.getNodeFrame(),s=this.getForCompute(t);for(const t of s.updateNodes)e.updateNode(t)}updateForRender(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateNodes)e.updateNode(t)}dispose(){super.dispose(),this.nodeFrame=new W_,this.nodeBuilderCache=new Map}}class iB{constructor(t,e){this.scene=t,this.camera=e}clone(){return Object.assign(new this.constructor,this)}}class rB{constructor(){this.lists=new vd}get(t,e){const s=this.lists,i=[t,e];let r=s.get(i);return void 0===r&&(r=new iB(t,e),s.set(i,r)),r}dispose(){this.lists=new vd}}const nB=new io,oB=new Zs,aB=new vi,hB=new ia,lB=new rr,uB=new Ri,cB=new KA(new $T);class dB{constructor(t,e={}){this.isRenderer=!0;const{logarithmicDepthBuffer:s=!1,alpha:i=!0}=e;this.domElement=t.getDomElement(),this.backend=t,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=s,this.outputColorSpace=Xe,this.toneMapping=0,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=!0,this.stencil=!1,this.clippingPlanes=[],this.info=new Od,this.toneMappingNode=null,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new vi(0,0,this._width,this._height),this._scissor=new vi(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const r=!0===this.alpha?0:1;this._clearColor=new QE(0,0,0,r),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.shadowMap={enabled:!1,type:null},this.xr={enabled:!1},this.debug={checkShaderErrors:!0,onShaderError:null}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(t,e)=>{const s=this.backend;try{await s.init(this)}catch(t){return void e(t)}this._nodes=new sB(this,s),this._animation=new bd(this._nodes,this.info),this._attributes=new Id(s),this._background=new tB(this,this._nodes),this._geometries=new Ud(this._attributes,this.info),this._textures=new ZE(this,s,this.info),this._pipelines=new Gd(s,this._nodes),this._bindings=new Wd(s,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Ad(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new qE,this._bundles=new rB,this._renderContexts=new YE,this._initialized=!0,t()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(t,e,s=null){!1===this._initialized&&await this.init();const i=this._nodes.nodeFrame,r=i.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,h=!0===t.isScene?t:nB;null===s&&(s=t);const l=this._renderTarget,u=this._renderContexts.get(s,e,l),c=this._activeMipmapLevel,d=[];this._currentRenderContext=u,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=d,i.renderId++,i.update(),u.depth=this.depth,u.stencil=this.stencil,u.clippingContext||(u.clippingContext=new wd),u.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,l);const p=this._renderLists.get(t,e);if(p.begin(),this._projectObject(t,e,0,p),s!==t&&s.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&p.pushLight(t)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const t=this._textures.get(l);u.textures=t.textures,u.depthTexture=t.depthTexture}else u.textures=null,u.depthTexture=null;this._nodes.updateScene(h),this._background.update(h,p,u);const m=p.opaque,g=p.transparent,f=p.lightsNode;m.length>0&&this._renderObjects(m,e,h,f),g.length>0&&this._renderObjects(g,e,h,f),i.renderId=r,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(d)}async renderAsync(t,e){!1===this._initialized&&await this.init();const s=this._renderScene(t,e);await this.backend.resolveTimestampAsync(s,"render")}_renderBundle(t,e,s){const{object:i,camera:r,renderList:n}=t,o=this._currentRenderContext,a=this.backend.get(o),h=this._bundles.get(i,r),l=this.backend.get(h);void 0===l.renderContexts&&(l.renderContexts=new Set);const u=!1===l.renderContexts.has(o)||!0===i.needsUpdate;if(l.renderContexts.add(o),u){if(void 0===a.renderObjects||!0===i.needsUpdate){const t=this._nodes.nodeFrame;a.renderObjects=[],a.renderBundles=[],a.scene=e,a.camera=r,a.renderId=t.renderId,a.registerBundlesPhase=!0}this._currentRenderBundle=h;const t=n.opaque;t.length>0&&this._renderObjects(t,r,e,s),this._currentRenderBundle=null,i.needsUpdate=!1}else{const t=this._currentRenderContext,e=this.backend.get(t);for(let t=0,s=e.renderObjects.length;t>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=x,p.viewportValue.maxDepth=b,p.viewport=!1===p.viewportValue.equals(aB),p.scissorValue.copy(f).multiplyScalar(y).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(aB),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new wd),p.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,d),lB.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),hB.setFromProjectionMatrix(lB,m);const v=this._renderLists.get(t,e);if(v.begin(),this._projectObject(t,e,0,v),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort),null!==d){this._textures.updateRenderTarget(d,c);const t=this._textures.get(d);p.textures=t.textures,p.depthTexture=t.depthTexture,p.width=t.width,p.height=t.height,p.renderTarget=d,p.depth=d.depthBuffer,p.stencil=d.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=u,p.activeMipmapLevel=c,p.occlusionQueryCount=v.occlusionQueryCount,this._nodes.updateScene(h),this._background.update(h,v,p),this.backend.beginRender(p);const T=v.opaque,_=v.transparent,w=v.bundles,S=v.lightsNode;return w.length>0&&this._renderBundles(w,h,S),T.length>0&&this._renderObjects(T,e,h,S),_.length>0&&this._renderObjects(_,e,h,S),this.backend.finishRender(p),r.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==i&&(this.setRenderTarget(l,u,c),cB.material.fragmentNode=this._nodes.getOutputNode(d.texture),this._renderScene(cB,cB.camera,!1)),h.onAfterRender(this,t,e,d),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(t){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(t)}async getArrayBufferAsync(t){return await this.backend.getArrayBufferAsync(t)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(t){return t.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(t){return t.set(this._width,this._height)}setPixelRatio(t=1){this._pixelRatio=t,this.setSize(this._width,this._height,!1)}setDrawingBufferSize(t,e,s){this._width=t,this._height=e,this._pixelRatio=s,this.domElement.width=Math.floor(t*s),this.domElement.height=Math.floor(e*s),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setSize(t,e,s=!0){this._width=t,this._height=e,this.domElement.width=Math.floor(t*this._pixelRatio),this.domElement.height=Math.floor(e*this._pixelRatio),!0===s&&(this.domElement.style.width=t+"px",this.domElement.style.height=e+"px"),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setOpaqueSort(t){this._opaqueSort=t}setTransparentSort(t){this._transparentSort=t}getScissor(t){const e=this._scissor;return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,t}setScissor(t,e,s,i){const r=this._scissor;t.isVector4?r.copy(t):r.set(t,e,s,i)}getScissorTest(){return this._scissorTest}setScissorTest(t){this._scissorTest=t,this.backend.setScissorTest(t)}getViewport(t){return t.copy(this._viewport)}setViewport(t,e,s,i,r=0,n=1){const o=this._viewport;t.isVector4?o.copy(t):o.set(t,e,s,i),o.minDepth=r,o.maxDepth=n}getClearColor(t){return t.copy(this._clearColor)}setClearColor(t,e=1){this._clearColor.set(t),this._clearColor.a=e}getClearAlpha(){return this._clearColor.a}setClearAlpha(t){this._clearColor.a=t}getClearDepth(){return this._clearDepth}setClearDepth(t){this._clearDepth=t}getClearStencil(){return this._clearStencil}setClearStencil(t){this._clearStencil=t}isOccluded(t){const e=this._currentRenderContext;return e&&this.backend.isOccluded(e,t)}clear(t=!0,e=!0,s=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(t,e,s);const i=this._renderTarget||this._getFrameBufferTarget();let r=null;null!==i&&(this._textures.updateRenderTarget(i),r=this._textures.get(i)),this.backend.clear(t,e,s,r),null!==i&&null===this._renderTarget&&(cB.material.fragmentNode=this._nodes.getOutputNode(i.texture),this._renderScene(cB,cB.camera,!1))}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(t=!0,e=!0,s=!0){!1===this._initialized&&await this.init(),this.clear(t,e,s)}clearColorAsync(){return this.clearAsync(!0,!1,!1)}clearDepthAsync(){return this.clearAsync(!1,!0,!1)}clearStencilAsync(){return this.clearAsync(!1,!1,!0)}get currentColorSpace(){const t=this._renderTarget;if(null!==t){const e=t.texture;return(Array.isArray(e)?e[0]:e).colorSpace}return this.outputColorSpace}dispose(){this.info.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(t,e=0,s=0){this._renderTarget=t,this._activeCubeFace=e,this._activeMipmapLevel=s}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(t){this._renderObjectFunction=t}getRenderObjectFunction(){return this._renderObjectFunction}async computeAsync(t){!1===this._initialized&&await this.init();const e=this._nodes.nodeFrame,s=e.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,e.renderId=this.info.calls;const i=this.backend,r=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(t)?t:[t];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(t);for(const e of a){if(!1===r.has(e)){const t=()=>{e.removeEventListener("dispose",t),r.delete(e),n.delete(e),o.delete(e)};e.addEventListener("dispose",t),e.onInit({renderer:this})}o.updateForCompute(e),n.updateForCompute(e);const s=n.getForCompute(e),a=r.getForCompute(e,s);i.compute(t,e,s,a)}i.finishCompute(t),await this.backend.resolveTimestampAsync(t,"compute"),e.renderId=s}async hasFeatureAsync(t){return!1===this._initialized&&await this.init(),this.backend.hasFeature(t)}hasFeature(t){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(t)}copyFramebufferToTexture(t){const e=this._currentRenderContext;this._textures.updateTexture(t),this.backend.copyFramebufferToTexture(t,e)}copyTextureToTexture(t,e,s=null,i=null,r=0){this._textures.updateTexture(t),this._textures.updateTexture(e),this.backend.copyTextureToTexture(t,e,s,i,r)}readRenderTargetPixelsAsync(t,e,s,i,r,n=0){return this.backend.copyTextureToBuffer(t.textures[n],e,s,i,r)}_projectObject(t,e,s,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)s=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)i.pushLight(t);else if(t.isSprite){if(!t.frustumCulled||hB.intersectsSprite(t)){!0===this.sortObjects&&uB.setFromMatrixPosition(t.matrixWorld).applyMatrix4(lB);const e=t.geometry,r=t.material;r.visible&&i.push(t,e,r,s,uB.z,null)}}else if(t.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||hB.intersectsObject(t))){const e=t.geometry,r=t.material;if(!0===this.sortObjects&&(null===e.boundingSphere&&e.computeBoundingSphere(),uB.copy(e.boundingSphere.center).applyMatrix4(t.matrixWorld).applyMatrix4(lB)),Array.isArray(r)){const n=e.groups;for(let o=0,a=n.length;o0?i:"";e=`${t.name} {\n\t${s} ${r.name}[${n}];\n};\n`}else{e=`${this.getVectorType(r.type)} ${this.getPropertyName(r,t)};`,n=!0}const o=r.node.precision;if(null!==o&&(e=NB[o]+" "+e),n){e="\t"+e;const t=r.groupNode.name;(i[t]||(i[t]=[])).push(e)}else e="uniform "+e,s.push(e)}let r="";for(const e in i){const s=i[e];r+=this._getGLSLUniformStruct(t+"_"+e,s.join("\n"))+"\n"}return r+=s.join("\n"),r}getTypeFromAttribute(t){let e=super.getTypeFromAttribute(t);if(/^[iu]/.test(e)&&t.gpuType!==Et){let s=t;t.isInterleavedBufferAttribute&&(s=t.data);const i=s.array;!1==(i instanceof Uint32Array||i instanceof Int32Array||i instanceof Uint16Array||i instanceof Int16Array)&&(e=e.slice(1))}return e}getAttributes(t){let e="";if("vertex"===t||"compute"===t){const t=this.getAttributesArray();let s=0;for(const i of t)e+=`layout( location = ${s++} ) in ${i.type} ${i.name};\n`}return e}getStructMembers(t){const e=[],s=t.getMemberTypes();for(let t=0;t0&&(s+="\n"),s+=`\t// flow -> ${n}\n\t`),s+=`${i.code}\n\t`,t===r&&"compute"!==e&&(s+="// result\n\t","vertex"===e?(s+="gl_Position = ",s+=`${i.result};`):"fragment"===e&&(t.outputNode.isOutputStructNode||(s+="fragColor = ",s+=`${i.result};`)))}const n=t[e];n.extensions=this.getExtensions(e),n.uniforms=this.getUniforms(e),n.attributes=this.getAttributes(e),n.varyings=this.getVaryings(e),n.vars=this.getVars(e),n.structs=this.getStructs(e),n.codes=this.getCodes(e),n.transforms=this.getTransforms(e),n.flow=s}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(t.vertex),this.fragmentShader=this._getGLSLFragmentCode(t.fragment)):this.computeShader=this._getGLSLVertexCode(t.compute)}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);let o=n.uniformGPU;if(void 0===o){const i=t.groupNode,a=i.name,h=this.getBindGroupArray(a,s);if("texture"===e)o=new wB(r.name,r.node,i),h.push(o);else if("cubeTexture"===e)o=new SB(r.name,r.node,i),h.push(o);else if("texture3D"===e)o=new MB(r.name,r.node,i),h.push(o);else if("buffer"===e){t.name=`NodeBuffer_${t.id}`,r.name=`buffer${t.id}`;const e=new yB(t,i);e.name=t.name,h.push(e),o=e}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new vB(s+"_"+a,i),t[a]=n,h.push(n)),o=this.getNodeUniform(r,e),n.addUniform(o)}n.uniformGPU=o}return r}}let BB=null,IB=null,PB=null;class FB{constructor(t={}){this.parameters=Object.assign({},t),this.data=new WeakMap,this.renderer=null,this.domElement=null}async init(t){this.renderer=t}begin(){}finish(){}draw(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}createRenderPipeline(){}createComputePipeline(){}destroyPipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}createDefaultTexture(){}createTexture(){}copyTextureToBuffer(){}createAttribute(){}createIndexAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}resolveTimestampAsync(){}hasFeatureAsync(){}hasFeature(){}getInstanceCount(t){const{object:e,geometry:s}=t;return s.isInstancedBufferGeometry?s.instanceCount:e.count>1?e.count:1}getDrawingBufferSize(){return BB=BB||new Zs,this.renderer.getDrawingBufferSize(BB)}getScissor(){return IB=IB||new vi,this.renderer.getScissor(IB)}setScissorTest(){}getClearColor(){const t=this.renderer;return PB=PB||new QE,t.getClearColor(PB),PB.getRGB(PB,this.renderer.currentColorSpace),PB}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:ii(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${t} webgpu`),this.domElement=e),e}set(t,e){this.data.set(t,e)}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}has(t){return this.data.has(t)}delete(t){this.data.delete(t)}}let UB=0;class OB{constructor(t,e){this.buffers=[t.bufferGPU,e],this.type=t.type,this.bufferType=t.bufferType,this.pbo=t.pbo,this.byteLength=t.byteLength,this.bytesPerElement=t.BYTES_PER_ELEMENT,this.version=t.version,this.isInteger=t.isInteger,this.activeBufferIndex=0,this.baseId=t.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class zB{constructor(t){this.backend=t}createAttribute(t,e){const s=this.backend,{gl:i}=s,r=t.array,n=t.usage||i.STATIC_DRAW,o=t.isInterleavedBufferAttribute?t.data:t,a=s.get(o);let h,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(i,e,r,n),a.bufferGPU=l,a.bufferType=e,a.version=o.version),r instanceof Float32Array)h=i.FLOAT;else if(r instanceof Uint16Array)h=t.isFloat16BufferAttribute?i.HALF_FLOAT:i.UNSIGNED_SHORT;else if(r instanceof Int16Array)h=i.SHORT;else if(r instanceof Uint32Array)h=i.UNSIGNED_INT;else if(r instanceof Int32Array)h=i.INT;else if(r instanceof Int8Array)h=i.BYTE;else if(r instanceof Uint8Array)h=i.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+r);h=i.UNSIGNED_BYTE}let u={bufferGPU:l,bufferType:e,type:h,byteLength:r.byteLength,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version,pbo:t.pbo,isInteger:h===i.INT||h===i.UNSIGNED_INT||h===i.UNSIGNED_SHORT||t.gpuType===Et,id:UB++};if(t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute){const t=this._createBuffer(i,e,r,n);u=new OB(u,t)}s.set(t,u)}updateAttribute(t){const e=this.backend,{gl:s}=e,i=t.array,r=t.isInterleavedBufferAttribute?t.data:t,n=e.get(r),o=n.bufferType,a=t.isInterleavedBufferAttribute?t.data.updateRanges:t.updateRanges;if(s.bindBuffer(o,n.bufferGPU),0===a.length)s.bufferSubData(o,0,i);else{for(let t=0,e=a.length;t{!function r(){const n=t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0);if(n===t.WAIT_FAILED)return t.deleteSync(e),void i();n!==t.TIMEOUT_EXPIRED?(t.deleteSync(e),s()):requestAnimationFrame(r)}()}))}}let WB,jB,HB,qB=!1;class $B{constructor(t){this.backend=t,this.gl=t.gl,this.extensions=t.extensions,this.defaultTextures={},!1===qB&&(this._init(this.gl),qB=!0)}_init(t){WB={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[gt]:t.MIRRORED_REPEAT},jB={[ft]:t.NEAREST,[yt]:t.NEAREST_MIPMAP_NEAREST,[bt]:t.NEAREST_MIPMAP_LINEAR,[Tt]:t.LINEAR,[_t]:t.LINEAR_MIPMAP_NEAREST,[St]:t.LINEAR_MIPMAP_LINEAR},HB={512:t.NEVER,519:t.ALWAYS,[bs]:t.LESS,515:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL}}filterFallback(t){const{gl:e}=this;return t===ft||t===yt||t===bt?e.NEAREST:e.LINEAR}getGLTextureType(t){const{gl:e}=this;let s;return s=!0===t.isCubeTexture?e.TEXTURE_CUBE_MAP:!0===t.isDataArrayTexture?e.TEXTURE_2D_ARRAY:!0===t.isData3DTexture?e.TEXTURE_3D:e.TEXTURE_2D,s}getInternalFormat(t,e,s,i,r=!1){const{gl:n,extensions:o}=this;if(null!==t){if(void 0!==n[t])return n[t];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+t+"'")}let a=e;return e===n.RED&&(s===n.FLOAT&&(a=n.R32F),s===n.HALF_FLOAT&&(a=n.R16F),s===n.UNSIGNED_BYTE&&(a=n.R8),s===n.UNSIGNED_SHORT&&(a=n.R16),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RED_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.R8UI),s===n.UNSIGNED_SHORT&&(a=n.R16UI),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RG&&(s===n.FLOAT&&(a=n.RG32F),s===n.HALF_FLOAT&&(a=n.RG16F),s===n.UNSIGNED_BYTE&&(a=n.RG8),s===n.UNSIGNED_SHORT&&(a=n.RG16),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RG_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RG8UI),s===n.UNSIGNED_SHORT&&(a=n.RG16UI),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RGB&&(s===n.FLOAT&&(a=n.RGB32F),s===n.HALF_FLOAT&&(a=n.RGB16F),s===n.UNSIGNED_BYTE&&(a=n.RGB8),s===n.UNSIGNED_SHORT&&(a=n.RGB16),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8:n.RGB8),s===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),s===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),e===n.RGB_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGB8UI),s===n.UNSIGNED_SHORT&&(a=n.RGB16UI),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I)),e===n.RGBA&&(s===n.FLOAT&&(a=n.RGBA32F),s===n.HALF_FLOAT&&(a=n.RGBA16F),s===n.UNSIGNED_BYTE&&(a=n.RGBA8),s===n.UNSIGNED_SHORT&&(a=n.RGBA16),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8_ALPHA8:n.RGBA8),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),e===n.RGBA_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),s===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I)),e===n.DEPTH_COMPONENT&&(s===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),s===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),e===n.DEPTH_STENCIL&&s===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(t,e){const{gl:s,extensions:i,backend:r}=this,{currentAnisotropy:n}=r.get(e);s.texParameteri(t,s.TEXTURE_WRAP_S,WB[e.wrapS]),s.texParameteri(t,s.TEXTURE_WRAP_T,WB[e.wrapT]),t!==s.TEXTURE_3D&&t!==s.TEXTURE_2D_ARRAY||s.texParameteri(t,s.TEXTURE_WRAP_R,WB[e.wrapR]),s.texParameteri(t,s.TEXTURE_MAG_FILTER,jB[e.magFilter]);const o=e.isVideoTexture||e.minFilter!==Tt?e.minFilter:St;if(s.texParameteri(t,s.TEXTURE_MIN_FILTER,jB[o]),e.compareFunction&&(s.texParameteri(t,s.TEXTURE_COMPARE_MODE,s.COMPARE_REF_TO_TEXTURE),s.texParameteri(t,s.TEXTURE_COMPARE_FUNC,HB[e.compareFunction])),!0===i.has("EXT_texture_filter_anisotropic")){if(e.magFilter===ft)return;if(e.minFilter!==bt&&e.minFilter!==St)return;if(e.type===It&&!1===i.has("OES_texture_float_linear"))return;if(e.anisotropy>1||n!==e.anisotropy){const n=i.get("EXT_texture_filter_anisotropic");s.texParameterf(t,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(e.anisotropy,r.getMaxAnisotropy())),r.get(e).currentAnisotropy=e.anisotropy}}}createDefaultTexture(t){const{gl:e,backend:s,defaultTextures:i}=this,r=this.getGLTextureType(t);let n=i[r];void 0===n&&(n=e.createTexture(),s.state.bindTexture(r,n),e.texParameteri(r,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(r,e.TEXTURE_MAG_FILTER,e.NEAREST),i[r]=n),s.set(t,{textureGPU:n,glTextureType:r,isDefault:!0})}createTexture(t,e){const{gl:s,backend:i}=this,{levels:r,width:n,height:o,depth:a}=e,h=i.utils.convert(t.format,t.colorSpace),l=i.utils.convert(t.type),u=this.getInternalFormat(t.internalFormat,h,l,t.colorSpace,t.isVideoTexture),c=s.createTexture(),d=this.getGLTextureType(t);i.state.bindTexture(d,c),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,t.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,t.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE),this.setTextureParameters(d,t),t.isDataArrayTexture?s.texStorage3D(s.TEXTURE_2D_ARRAY,r,u,n,o,a):t.isData3DTexture?s.texStorage3D(s.TEXTURE_3D,r,u,n,o,a):t.isVideoTexture||s.texStorage2D(d,r,u,n,o),i.set(t,{textureGPU:c,glTextureType:d,glFormat:h,glType:l,glInternalFormat:u})}copyBufferToTexture(t,e){const{gl:s,backend:i}=this,{textureGPU:r,glTextureType:n,glFormat:o,glType:a}=i.get(e),{width:h,height:l}=e.source.data;s.bindBuffer(s.PIXEL_UNPACK_BUFFER,t),i.state.bindTexture(n,r),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,!1),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),s.texSubImage2D(n,0,0,0,h,l,o,a,0),s.bindBuffer(s.PIXEL_UNPACK_BUFFER,null),i.state.unbindTexture()}updateTexture(t,e){const{gl:s}=this,{width:i,height:r}=e,{textureGPU:n,glTextureType:o,glFormat:a,glType:h,glInternalFormat:l}=this.backend.get(t);if(t.isRenderTargetTexture||void 0===n)return;const u=t=>t.isDataTexture?t.image.data:t instanceof ImageBitmap||t instanceof OffscreenCanvas||t instanceof HTMLImageElement||t instanceof HTMLCanvasElement?t:t.data;if(this.backend.state.bindTexture(o,n),t.isCompressedTexture){const i=t.mipmaps;for(let r=0;r0){let a,h;!0===t.isDepthTexture?(a=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,e.stencil&&(a|=s.STENCIL_BUFFER_BIT)):(a=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0);const l=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,l),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,r,0),s.blitFramebuffer(0,0,n,o,0,0,n,o,a,s.NEAREST),s.deleteFramebuffer(l)}else i.bindTexture(s.TEXTURE_2D,r),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,0,0,n,o),i.unbindTexture();t.generateMipmaps&&this.generateMipmaps(t),this.backend._setFramebuffer(e)}setupRenderBufferStorage(t,e){const{gl:s}=this,i=e.renderTarget,{samples:r,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:h,height:l}=i;if(s.bindRenderbuffer(s.RENDERBUFFER,t),o&&!a){let e=s.DEPTH_COMPONENT24;r>0?(n&&n.isDepthTexture&&n.type===s.FLOAT&&(e=s.DEPTH_COMPONENT32F),s.renderbufferStorageMultisample(s.RENDERBUFFER,r,e,h,l)):s.renderbufferStorage(s.RENDERBUFFER,e,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,t)}else o&&a&&(r>0?s.renderbufferStorageMultisample(s.RENDERBUFFER,r,s.DEPTH24_STENCIL8,h,l):s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_STENCIL,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_STENCIL_ATTACHMENT,s.RENDERBUFFER,t))}async copyTextureToBuffer(t,e,s,i,r){const{backend:n,gl:o}=this,{textureGPU:a,glFormat:h,glType:l}=this.backend.get(t),u=o.createFramebuffer();o.bindFramebuffer(o.READ_FRAMEBUFFER,u),o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,o.TEXTURE_2D,a,0);const c=this._getTypedArrayType(l),d=i*r*this._getBytesPerTexel(h),p=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.bufferData(o.PIXEL_PACK_BUFFER,d,o.STREAM_READ),o.readPixels(e,s,i,r,h,l,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await n.utils._clientWaitAsync();const m=new c(d/c.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,m),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),o.deleteFramebuffer(u),m}_getTypedArrayType(t){const{gl:e}=this;if(t===e.UNSIGNED_BYTE)return Uint8Array;if(t===e.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(t===e.UNSIGNED_SHORT)return Uint16Array;if(t===e.UNSIGNED_INT)return Uint32Array;if(t===e.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${t}`)}_getBytesPerTexel(t){const{gl:e}=this;return t===e.RGBA?4:t===e.RGB?3:t===e.ALPHA?1:void 0}}class XB{constructor(t){this.backend=t,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(t){let e=this.extensions[t];return void 0===e&&(e=this.gl.getExtension(t),this.extensions[t]=e),e}has(t){return this.availableExtensions.includes(t)}}class YB{constructor(t){this.backend=t,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const t=this.backend.gl,e=this.backend.extensions;if(!0===e.has("EXT_texture_filter_anisotropic")){const s=e.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=t.getParameter(s.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const JB={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class ZB{constructor(t){this.gl=t.gl,this.extensions=t.extensions,this.info=t.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(t,e){const{gl:s,mode:i,object:r,type:n,info:o,index:a}=this;0!==a?s.drawElements(i,e,n,t):s.drawArrays(i,t,e),o.update(r,e,i,1)}renderInstances(t,e,s){const{gl:i,mode:r,type:n,index:o,object:a,info:h}=this;0!==s&&(0!==o?i.drawElementsInstanced(r,e,n,t,s):i.drawArraysInstanced(r,t,e,s),h.update(a,e,r,s))}renderMultiDraw(t,e,s){const{extensions:i,mode:r,object:n,info:o}=this;if(0===s)return;const a=i.get("WEBGL_multi_draw");if(null===a)for(let i=0;i0)){const t=e.queryQueue.shift();this.initTimestampQuery(t)}}async resolveTimestampAsync(t,e="render"){if(!this.disjoint||!this.trackTimestamp)return;const s=this.get(t);s.gpuQueries||(s.gpuQueries=[]);for(let t=0;t0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(t){const{gl:e,state:s}=this,i=this.get(t).previousContext,r=t.textures;if(null!==r)for(let t=0;t0){const r=i.msaaFrameBuffer,a=t.textures;s.bindFramebuffer(e.READ_FRAMEBUFFER,r),s.bindFramebuffer(e.DRAW_FRAMEBUFFER,n);for(let s=0;s0){if(n>this.get(t).occlusionQueryIndex){const{gl:t}=this;t.endQuery(t.ANY_SAMPLES_PASSED)}this.resolveOccludedAsync(t)}this.prepareTimestampBuffer(t)}resolveOccludedAsync(t){const e=this.get(t),{currentOcclusionQueries:s,currentOcclusionQueryObjects:i}=e;if(s&&i){const t=new WeakSet,{gl:r}=this;e.currentOcclusionQueryObjects=null,e.currentOcclusionQueries=null;const n=()=>{let o=0;for(let e=0;e0&&t.add(i[e]),s[e]=null,r.deleteQuery(n),o++))}o1?f.renderInstances(m,y,x):f.render(m,y),o.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(t){return t.id}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}createSampler(){}destroySampler(){}createNodeBuilder(t,e){return new EB(t,e)}createProgram(t){const e=this.gl,{stage:s,code:i}=t,r="fragment"===s?e.createShader(e.FRAGMENT_SHADER):e.createShader(e.VERTEX_SHADER);e.shaderSource(r,i),e.compileShader(r),this.set(t,{shaderGPU:r})}destroyProgram(){console.warn("Abstract class.")}createRenderPipeline(t,e){const s=this.gl,i=t.pipeline,{fragmentProgram:r,vertexProgram:n}=i,o=s.createProgram(),a=this.get(r).shaderGPU,h=this.get(n).shaderGPU;if(s.attachShader(o,a),s.attachShader(o,h),s.linkProgram(o),this.set(i,{programGPU:o,fragmentShader:a,vertexShader:h}),null!==e&&this.parallel){const r=new Promise((e=>{const r=this.parallel,n=()=>{s.getProgramParameter(o,r.COMPLETION_STATUS_KHR)?(this._completeCompile(t,i),e()):requestAnimationFrame(n)};n()}));e.push(r)}else this._completeCompile(t,i)}_handleSource(t,e){const s=t.split("\n"),i=[],r=Math.max(e-6,0),n=Math.min(e+6,s.length);for(let t=r;t":" "} ${r}: ${s[t]}`)}return i.join("\n")}_getShaderErrors(t,e,s){const i=t.getShaderParameter(e,t.COMPILE_STATUS),r=t.getShaderInfoLog(e).trim();if(i&&""===r)return"";const n=/ERROR: 0:(\d+)/.exec(r);if(n){const i=parseInt(n[1]);return s.toUpperCase()+"\n\n"+r+"\n\n"+this._handleSource(t.getShaderSource(e),i)}return r}_logProgramError(t,e,s){if(this.renderer.debug.checkShaderErrors){const i=this.gl,r=i.getProgramInfoLog(t).trim();if(!1===i.getProgramParameter(t,i.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(i,t,s,e);else{const n=this._getShaderErrors(i,s,"vertex"),o=this._getShaderErrors(i,e,"fragment");console.error("THREE.WebGLProgram: Shader Error "+i.getError()+" - VALIDATE_STATUS "+i.getProgramParameter(t,i.VALIDATE_STATUS)+"\n\nProgram Info Log: "+r+"\n"+n+"\n"+o)}else""!==r&&console.warn("THREE.WebGLProgram: Program Info Log:",r)}}_completeCompile(t,e){const s=this.gl,i=this.get(e),{programGPU:r,fragmentShader:n,vertexShader:o}=i;!1===s.getProgramParameter(r,s.LINK_STATUS)&&this._logProgramError(r,n,o),s.useProgram(r);const a=t.getBindings();this._setupBindings(a,r),this.set(e,{programGPU:r})}createComputePipeline(t,e){const s=this.gl,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:r}=t,n=s.createProgram(),o=this.get(i).shaderGPU,a=this.get(r).shaderGPU,h=r.transforms,l=[],u=[];for(let t=0;tJB[e]===t)),s=this.extensions;for(let t=0;t0){if(void 0===d){const i=[];d=e.createFramebuffer(),s.bindFramebuffer(e.FRAMEBUFFER,d);const r=[],l=t.textures;for(let s=0;s,\n\t@location( 0 ) vTex : vec2\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2, 4 >(\n\t\tvec2( -1.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 ),\n\t\tvec2( -1.0, -1.0 ),\n\t\tvec2( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2, 4 >(\n\t\tvec2( 0.0, 0.0 ),\n\t\tvec2( 1.0, 0.0 ),\n\t\tvec2( 0.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=t.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=t.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(t){let e=this.transferPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:NS,stripIndexFormat:jS},layout:"auto"}),this.transferPipelines[t]=e),e}getFlipYPipeline(t){let e=this.flipYPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:NS,stripIndexFormat:jS},layout:"auto"}),this.flipYPipelines[t]=e),e}flipY(t,e,s=0){const i=e.format,{width:r,height:n}=e.size,o=this.getTransferPipeline(i),a=this.getFlipYPipeline(i),h=this.device.createTexture({size:{width:r,height:n,depthOrArrayLayers:1},format:i,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:UM,baseArrayLayer:s}),u=h.createView({baseMipLevel:0,mipLevelCount:1,dimension:UM,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),d=(t,e,s)=>{const i=t.getBindGroupLayout(0),r=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:e}]}),n=c.beginRenderPass({colorAttachments:[{view:s,loadOp:LS,storeOp:OS,clearValue:[0,0,0,0]}]});n.setPipeline(t),n.setBindGroup(0,r),n.draw(4,1,0,0),n.end()};d(o,l,u),d(a,u,l),this.device.queue.submit([c.finish()]),h.destroy()}generateMipmaps(t,e,s=0){const i=this.getTransferPipeline(e.format),r=this.device.createCommandEncoder({}),n=i.getBindGroupLayout(0);let o=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:UM,baseArrayLayer:s});for(let a=1;a1&&(u=Math.pow(2,Math.floor(Math.log2(u))),2===u&&(u=4));const c=t.isRenderTargetTexture?1:u;let d=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===t.isStorageTexture&&(d|=GPUTextureUsage.STORAGE_BINDING),!0!==t.isCompressedTexture&&(d|=GPUTextureUsage.RENDER_ATTACHMENT);const p={label:t.name,size:{width:r,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:h,format:l,usage:d};if(t.isVideoTexture){const e=t.source.data,s=new VideoFrame(e);p.size.width=s.displayWidth,p.size.height=s.displayHeight,s.close(),i.externalTexture=e}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(t);i.texture=s.device.createTexture(p)}if(t.isRenderTargetTexture&&u>1){const t=Object.assign({},p);t.label=t.label+"-msaa",t.sampleCount=u,i.msaaTexture=s.device.createTexture(t)}i.initialized=!0,i.textureDescriptorGPU=p}destroyTexture(t){const e=this.backend,s=e.get(t);s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),e.delete(t)}destroySampler(t){delete this.backend.get(t).sampler}generateMipmaps(t){const e=this.backend.get(t);if(t.isCubeTexture)for(let t=0;t<6;t++)this._generateMipmaps(e.texture,e.textureDescriptorGPU,t);else this._generateMipmaps(e.texture,e.textureDescriptorGPU)}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const t=this.backend,{width:e,height:s}=t.getDrawingBufferSize();return this.colorBuffer=t.device.createTexture({label:"colorBuffer",size:{width:e,height:s,depthOrArrayLayers:1},sampleCount:t.parameters.sampleCount,format:HS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(t=!0,e=!1){const s=this.backend,{width:i,height:r}=s.getDrawingBufferSize(),n=this.depthTexture,o=s.get(n).texture;let a,h;if(e?(a=jt,h=Ot):t&&(a=Wt,h=Bt),void 0!==o){if(n.image.width===i&&n.image.height===r&&n.format===a&&n.type===h)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=h,n.image.width=i,n.image.height=r,this.createTexture(n,{sampleCount:s.parameters.sampleCount,width:i,height:r}),s.get(n).texture}updateTexture(t,e){const s=this.backend.get(t),{textureDescriptorGPU:i}=s;if(!t.isRenderTargetTexture&&void 0!==i){if(t.isDataTexture)this._copyBufferToTexture(e.image,s.texture,i,0,t.flipY);else if(t.isDataArrayTexture||t.isData3DTexture)for(let r=0;r]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,uI=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,cI={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2":"vec2","vec2":"ivec2","vec2":"uvec2","vec2":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3":"vec3","vec3":"ivec3","vec3":"uvec3","vec3":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4":"vec4","vec4":"ivec4","vec4":"uvec4","vec4":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2":"mat2",mat2x2f:"mat2","mat3x3":"mat3",mat3x3f:"mat3","mat4x4":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_2d:"texture",texture_cube:"cubeTexture",texture_depth_2d:"depthTexture",texture_storage_2d:"storageTexture",texture_3d:"texture3D"};class dI extends RC{constructor(t){const{type:e,inputs:s,name:i,inputsCode:r,blockCode:n,outputType:o}=(t=>{const e=(t=t.trim()).match(lI);if(null!==e&&4===e.length){const s=e[2],i=[];let r=null;for(;null!==(r=uI.exec(s));)i.push({name:r[1],type:r[2]});const n=[];for(let t=0;t "+this.outputType:"";return`fn ${t} ( ${this.inputsCode.trim()} ) ${e}`+this.blockCode}}class pI extends NC{parseFunction(t){return new dI(t)}}const mI=self.GPUShaderStage,gI={vertex:mI?mI.VERTEX:1,fragment:mI?mI.FRAGMENT:2,compute:mI?mI.COMPUTE:4},fI={instance:!0,swizzleAssign:!1,storageBuffer:!0},yI={"^^":"threejs_xor"},xI={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3",vec2:"vec2",ivec2:"vec2",uvec2:"vec2",bvec2:"vec2",vec3:"vec3",ivec3:"vec3",uvec3:"vec3",bvec3:"vec3",vec4:"vec4",ivec4:"vec4",uvec4:"vec4",bvec4:"vec4",mat2:"mat2x2",imat2:"mat2x2",umat2:"mat2x2",bmat2:"mat2x2",mat3:"mat3x3",imat3:"mat3x3",umat3:"mat3x3",bmat3:"mat3x3",mat4:"mat4x4",imat4:"mat4x4",umat4:"mat4x4",bmat4:"mat4x4"},bI={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"threejs_mod_float",mod_vec2:"threejs_mod_vec2",mod_vec3:"threejs_mod_vec3",mod_vec4:"threejs_mod_vec4",equals_bool:"threejs_equals_bool",equals_bvec2:"threejs_equals_bvec2",equals_bvec3:"threejs_equals_bvec3",equals_bvec4:"threejs_equals_bvec4",lessThanEqual:"threejs_lessThanEqual",greaterThan:"threejs_greaterThan",inversesqrt:"inverseSqrt",bitcast:"bitcast"},vI={threejs_xor:new Gg("\nfn threejs_xor( a : bool, b : bool ) -> bool {\n\n\treturn ( a || b ) && !( a && b );\n\n}\n"),lessThanEqual:new Gg("\nfn threejs_lessThanEqual( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x <= b.x, a.y <= b.y, a.z <= b.z );\n\n}\n"),greaterThan:new Gg("\nfn threejs_greaterThan( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x > b.x, a.y > b.y, a.z > b.z );\n\n}\n"),mod_float:new Gg("fn threejs_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Gg("fn threejs_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Gg("fn threejs_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Gg("fn threejs_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Gg("fn threejs_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Gg("fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Gg("fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Gg("fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping:new Gg("\nfn threejs_repeatWrapping( uv : vec2, dimension : vec2 ) -> vec2 {\n\n\tlet uvScaled = vec2( uv * vec2( dimension ) );\n\n\treturn ( ( uvScaled % dimension ) + dimension ) % dimension;\n\n}\n"),biquadraticTexture:new Gg("\nfn threejs_biquadraticTexture( map : texture_2d, coord : vec2f, level : i32 ) -> vec4f {\n\n\tlet res = vec2f( textureDimensions( map, level ) );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2i( iuv + vec2( 0.5, 0.5 ) ), level );\n\tlet rg2 = textureLoad( map, vec2i( iuv + vec2( 1.5, 0.5 ) ), level );\n\tlet rg3 = textureLoad( map, vec2i( iuv + vec2( 0.5, 1.5 ) ), level );\n\tlet rg4 = textureLoad( map, vec2i( iuv + vec2( 1.5, 1.5 ) ), level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")};class TI extends G_{constructor(t,e){super(t,e,new pI),this.uniformGroups={},this.builtins={}}needsColorSpaceToLinear(t){return!0===t.isVideoTexture&&t.colorSpace!==$e}_generateTextureSample(t,e,s,i,r=this.shaderStage){return"fragment"===r?i?`textureSample( ${e}, ${e}_sampler, ${s}, ${i} )`:`textureSample( ${e}, ${e}_sampler, ${s} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s):this.generateTextureLod(t,e,s,"0")}_generateVideoSample(t,e,s=this.shaderStage){if("fragment"===s)return`textureSampleBaseClampToEdge( ${t}, ${t}_sampler, vec2( ${e}.x, 1.0 - ${e}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${s} shader.`)}_generateTextureSampleLevel(t,e,s,i,r,n=this.shaderStage){return"fragment"===n&&!1===this.isUnfilterable(t)?`textureSampleLevel( ${e}, ${e}_sampler, ${s}, ${i} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s,i):this.generateTextureLod(t,e,s,i)}generateFilteredTexture(t,e,s,i="0"){return this._include("biquadraticTexture"),`threejs_biquadraticTexture( ${e}, ${s}, i32( ${i} ) )`}generateTextureLod(t,e,s,i="0"){this._include("repeatWrapping");return`textureLoad( ${e}, threejs_repeatWrapping( ${s}, ${`textureDimensions( ${e}, 0 )`} ), i32( ${i} ) )`}generateTextureLoad(t,e,s,i,r="0u"){return i?`textureLoad( ${e}, ${s}, ${i}, ${r} )`:`textureLoad( ${e}, ${s}, ${r} )`}generateTextureStore(t,e,s,i){return`textureStore( ${e}, ${s}, ${i} )`}isUnfilterable(t){return"float"!==this.getComponentTypeFromTexture(t)||!0===t.isDataTexture&&t.type===It}generateTexture(t,e,s,i,r=this.shaderStage){let n=null;return n=!0===t.isVideoTexture?this._generateVideoSample(e,s,r):this.isUnfilterable(t)?this.generateTextureLod(t,e,s,"0",i,r):this._generateTextureSample(t,e,s,i,r),n}generateTextureGrad(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${e}, ${e}_sampler, ${s}, ${i[0]}, ${i[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${e}, ${e}_sampler, ${s}, ${i} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(t,e,s,i,r,n=this.shaderStage){let o=null;return o=!0===t.isVideoTexture?this._generateVideoSample(e,s,n):this._generateTextureSampleLevel(t,e,s,i,r,n),o}getPropertyName(t,e=this.shaderStage){if(!0===t.isNodeVarying&&!0===t.needsInterpolation){if("vertex"===e)return`varyings.${t.name}`}else if(!0===t.isNodeUniform){const e=t.name,s=t.type;return"texture"===s||"cubeTexture"===s||"storageTexture"===s||"texture3D"===s?e:"buffer"===s||"storageBuffer"===s?`NodeBuffer_${t.id}.${e}`:t.groupNode.name+"."+e}return super.getPropertyName(t)}getOutputStructName(){return"output"}_getUniformGroupCount(t){return Object.keys(this.uniforms[t]).length}getFunctionOperator(t){const e=yI[t];return void 0!==e?(this._include(e),e):null}getStorageAccess(t){if(t.isStorageTextureNode)switch(t.access){case RM:return"read";case NM:return"write";default:return"read_write"}else switch(t.access){case MM:return"read_write";case AM:return"read";default:return"write"}}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);if(void 0===n.uniformGPU){let i;const o=t.groupNode,a=o.name,h=this.getBindGroupArray(a,s);if("texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e){let n=null;if("texture"===e||"storageTexture"===e?n=new wB(r.name,r.node,o,t.access?t.access:null):"cubeTexture"===e?n=new SB(r.name,r.node,o,t.access?t.access:null):"texture3D"===e&&(n=new MB(r.name,r.node,o,t.access?t.access:null)),n.store=!0===t.isStorageTextureNode,n.setVisibility(gI[s]),"fragment"===s&&!1===this.isUnfilterable(t.value)&&!1===n.store){const t=new tI(`${r.name}_sampler`,r.node,o);t.setVisibility(gI[s]),h.push(t,n),i=[t,n]}else h.push(n),i=[n]}else if("buffer"===e||"storageBuffer"===e){const r=new("storageBuffer"===e?iI:yB)(t,o);r.setVisibility(gI[s]),h.push(r),i=r}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new vB(a,o),n.setVisibility(gI[s]),t[a]=n,h.push(n)),i=this.getNodeUniform(r,e),n.addUniform(i)}n.uniformGPU=i}return r}getBuiltin(t,e,s,i=this.shaderStage){const r=this.builtins[i]||(this.builtins[i]=new Map);return!1===r.has(t)&&r.set(t,{name:t,property:e,type:s}),e}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(t){const e=t.layout,s=this.flowShaderNode(t),i=[];for(const t of e.inputs)i.push(t.name+" : "+this.getType(t.type));return`fn ${e.name}( ${i.join(", ")} ) -> ${this.getType(e.type)} {\n${s.vars}\n${s.code}\n\treturn ${s.result};\n\n}`}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4")+".xyz"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}isFlipY(){return!1}getBuiltins(t){const e=[],s=this.builtins[t];if(void 0!==s)for(const{name:t,property:i,type:r}of s.values())e.push(`@builtin( ${t} ) ${i} : ${r}`);return e.join(",\n\t")}getAttributes(t){const e=[];if("compute"===t&&this.getBuiltin("global_invocation_id","id","vec3","attribute"),"vertex"===t||"compute"===t){const t=this.getBuiltins("attribute");t&&e.push(t);const s=this.getAttributesArray();for(let t=0,i=s.length;t`)}const i=this.getBuiltins("output");return i&&e.push(i),e.join(",\n")}getStructs(t){const e=[],s=this.structs[t];for(let t=0,i=s.length;t output : ${r};\n\n`)}return e.join("\n\n")}getVar(t,e){return`var ${e} : ${this.getType(t)}`}getVars(t){const e=[],s=this.vars[t];if(void 0!==s)for(const t of s)e.push(`\t${this.getVar(t.type,t.name)};`);return`\n${e.join("\n")}\n`}getVaryings(t){const e=[];if("vertex"===t&&this.getBuiltin("position","Vertex","vec4","vertex"),"vertex"===t||"fragment"===t){const s=this.varyings,i=this.vars[t];for(let r=0;r";else if(!0===e.isDataArrayTexture)i="texture_2d_array";else if(!0===e.isDepthTexture)i="texture_depth_2d";else if(!0===e.isVideoTexture)i="texture_external";else if(!0===e.isData3DTexture)i="texture_3d";else if(!0===r.node.isStorageTextureNode){i=`texture_storage_2d<${hI(e)}, ${this.getStorageAccess(r.node)}>`}else{i=`texture_2d<${this.getComponentTypeFromTexture(e).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${r.name} : ${i};`)}else if("buffer"===r.type||"storageBuffer"===r.type){const t=r.node,e=this.getType(t.bufferType),s=t.bufferCount,n=s>0?", "+s:"",a=`\t${r.name} : array< ${e}${n} >\n`,h=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t)}`:"uniform";i.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,a,h,o.binding++,o.group))}else{const t=this.getType(this.getVectorType(r.type)),e=r.groupNode.name;(n[e]||(n[e]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${r.name} : ${t}`)}}for(const t in n){const e=n[t];r.push(this._getWGSLStructBinding(t,e.snippets.join(",\n"),"uniform",e.index,e.id))}let o=s.join("\n");return o+=i.join("\n"),o+=r.join("\n"),o}buildCode(){const t=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};for(const e in t){const s=t[e];s.uniforms=this.getUniforms(e),s.attributes=this.getAttributes(e),s.varyings=this.getVaryings(e),s.structs=this.getStructs(e),s.vars=this.getVars(e),s.codes=this.getCodes(e);let i="// code\n\n";i+=this.flowCode[e];const r=this.flowNodes[e],n=r[r.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const t of r){const r=this.getFlowData(t),h=t.name;if(h&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${h}\n\t`),i+=`${r.code}\n\t`,t===n&&"compute"!==e)if(i+="// result\n\n\t","vertex"===e)i+=`varyings.Vertex = ${r.result};`;else if("fragment"===e)if(a)s.returnType=o.nodeType,i+=`return ${r.result};`;else{let t="\t@location(0) color: vec4";const e=this.getBuiltins("output");e&&(t+=",\n\t"+e),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",t),s.structs+="\nvar output : OutputStruct;\n\n",i+=`output.color = ${r.result};\n\n\treturn output;`}}s.flow=i}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(t.vertex),this.fragmentShader=this._getWGSLFragmentCode(t.fragment)):this.computeShader=this._getWGSLComputeCode(t.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(t,e=null){let s;return null!==e&&(s=this._getWGSLMethod(t+"_"+e)),void 0===s&&(s=this._getWGSLMethod(t)),s||t}getType(t){return xI[t]||t}isAvailable(t){let e=fI[t];return void 0===e&&("float32Filterable"===t&&(e=this.renderer.hasFeature("float32-filterable")),fI[t]=e),e}_getWGSLMethod(t){return void 0!==vI[t]&&this._include(t),bI[t]}_include(t){const e=vI[t];return e.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e),e}_getWGSLVertexCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// varyings\n${t.varyings}\nvar varyings : VaryingsStruct;\n\n// codes\n${t.codes}\n\n@vertex\nfn main( ${t.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// structs\n${t.structs}\n\n// codes\n${t.codes}\n\n@fragment\nfn main( ${t.varyings} ) -> ${t.returnType} {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLComputeCode(t,e){return`${this.getSignature()}\n// system\nvar instanceIndex : u32;\n\n// uniforms\n${t.uniforms}\n\n// codes\n${t.codes}\n\n@compute @workgroup_size( ${e} )\nfn main( ${t.attributes} ) {\n\n\t// system\n\tinstanceIndex = id.x;\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLStruct(t,e){return`\nstruct ${t} {\n${e}\n};`}_getWGSLStructBinding(t,e,s,i=0,r=0){const n=t+"Struct";return`${this._getWGSLStruct(n,e)}\n@binding( ${i} ) @group( ${r} )\nvar<${s}> ${t} : ${n};`}}class _I{constructor(t){this.backend=t}getCurrentDepthStencilFormat(t){let e;return null!==t.depthTexture?e=this.getTextureFormatGPU(t.depthTexture):t.depth&&t.stencil?e=HS.Depth24PlusStencil8:t.depth&&(e=HS.Depth24Plus),e}getTextureFormatGPU(t){return this.backend.get(t).texture.format}getCurrentColorFormat(t){let e;return e=null!==t.textures?this.getTextureFormatGPU(t.textures[0]):HS.BGRA8Unorm,e}getCurrentColorSpace(t){return null!==t.textures?t.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(t,e){return t.isPoints?wS:t.isLineSegments||t.isMesh&&!0===e.wireframe?SS:t.isLine?MS:t.isMesh?AS:void 0}getSampleCount(t){return null!==t.textures?t.sampleCount:this.backend.parameters.sampleCount}}const wI=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),SI=new Map([[mn,["float16"]]]),MI=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class AI{constructor(t){this.backend=t}createAttribute(t,e){const s=this._getBufferAttribute(t),i=this.backend,r=i.get(s);let n=r.buffer;if(void 0===n){const o=i.device;let a=s.array;if(!1===t.normalized&&(a.constructor===Int16Array||a.constructor===Uint16Array)){const t=new Uint32Array(a.length);for(let e=0;e1&&(e=Math.pow(2,Math.floor(Math.log2(e))),2===e&&(e=4)),e}createRenderPipeline(t,e){const{object:s,material:i,geometry:r,pipeline:n}=t,{vertexProgram:o,fragmentProgram:a}=n,h=this.backend,l=h.device,u=h.utils,c=h.get(n),d=[];for(const e of t.getBindings()){const t=h.get(e);d.push(t.layout)}const p=h.attributeUtils.createShaderVertexBuffers(t);let g;!0===i.transparent&&i.blending!==m&&(g=this._getBlending(i));let f={};!0===i.stencilWrite&&(f={compare:this._getStencilCompare(i),failOp:this._getStencilOperation(i.stencilFail),depthFailOp:this._getStencilOperation(i.stencilZFail),passOp:this._getStencilOperation(i.stencilZPass)});const y=this._getColorWriteMask(i),x=[];if(null!==t.context.textures){const e=t.context.textures;for(let t=0;t{l.createRenderPipelineAsync(M).then((e=>{c.pipeline=e,t()}))}));e.push(t)}}createBundleEncoder(t,e){const s=this.backend,{utils:i,device:r}=s,n=s.get(t),o=s.get(e),a=i.getCurrentDepthStencilFormat(t),h={label:"renderBundleEncoder",colorFormats:[i.getCurrentColorFormat(t)],depthStencilFormat:a,sampleCount:this._getSampleCount(e.context)},l=r.createRenderBundleEncoder(h);return o.bundleEncoder=l,n.currentSets={attributes:{}},n._renderBundleViewport=t.width+"_"+t.height,l}createComputePipeline(t,e){const s=this.backend,i=s.device,r=s.get(t.computeProgram).module,n=s.get(t),o=[];for(const t of e){const e=s.get(t);o.push(e.layout)}n.pipeline=i.createComputePipeline({compute:r,layout:i.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(t){let e,s;const i=t.blending,r=t.blendSrc,n=t.blendDst,o=t.blendEquation;if(5===i){const i=null!==t.blendSrcAlpha?t.blendSrcAlpha:r,a=null!==t.blendDstAlpha?t.blendDstAlpha:n,h=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;e={srcFactor:this._getBlendFactor(r),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},s={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(h)}}else{const r=(t,i,r,n)=>{e={srcFactor:t,dstFactor:i,operation:uM},s={srcFactor:r,dstFactor:n,operation:uM}};if(t.premultipliedAlpha)switch(i){case 1:r(eM,sM,QS,sM);break;case 2:r(eM,QS,QS,QS);break;case 3:r(ZS,tM,ZS,QS);break;case 4:r(ZS,KS,ZS,eM)}else switch(i){case 1:r(eM,sM,QS,sM);break;case 2:r(eM,QS,eM,QS);break;case 3:r(ZS,tM,ZS,QS);break;case 4:r(ZS,KS,ZS,KS)}}if(void 0!==e&&void 0!==s)return{color:e,alpha:s};console.error("THREE.WebGPURenderer: Invalid blending: ",i)}_getBlendFactor(t){let e;switch(t){case 200:e=ZS;break;case 201:e=QS;break;case 202:e=KS;break;case 203:e=tM;break;case C:e=eM;break;case E:e=sM;break;case 208:e=iM;break;case 209:e=rM;break;case 206:e=nM;break;case 207:e=oM;break;case 210:e=aM;break;case 211:e=hM;break;case 212:e=lM;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",t)}return e}_getStencilCompare(t){let e;const s=t.stencilFunc;switch(s){case 512:e=RS;break;case ys:e=US;break;case 513:e=CS;break;case 515:e=BS;break;case 514:e=ES;break;case 518:e=FS;break;case 516:e=IS;break;case 517:e=PS;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",s)}return e}_getStencilOperation(t){let e;switch(t){case is:e=yM;break;case 0:e=xM;break;case 7681:e=bM;break;case 5386:e=vM;break;case 7682:e=TM;break;case 7683:e=_M;break;case 34055:e=wM;break;case 34056:e=SM;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",e)}return e}_getBlendOperation(t){let e;switch(t){case v:e=uM;break;case 101:e=cM;break;case 102:e=dM;break;case 103:e=pM;break;case 104:e=mM;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",t)}return e}_getPrimitiveState(t,e,s){const i={},r=this.backend.utils;switch(i.topology=r.getPrimitiveTopology(t,s),null!==e.index&&!0===t.isLine&&!0!==t.isLineSegments&&(i.stripIndexFormat=e.index.array instanceof Uint16Array?WS:jS),s.side){case c:i.frontFace=VS,i.cullMode=GS;break;case d:i.frontFace=VS,i.cullMode=kS;break;case 2:i.frontFace=VS,i.cullMode=DS;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",s.side)}return i}_getColorWriteMask(t){return!0===t.colorWrite?fM:gM}_getDepthCompare(t){let e;if(!1===t.depthTest)e=US;else{const s=t.depthFunc;switch(s){case 0:e=RS;break;case 1:e=US;break;case 2:e=CS;break;case 3:e=BS;break;case 4:e=ES;break;case 5:e=FS;break;case 6:e=IS;break;case 7:e=PS;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",s)}}return e}}class CI extends FB{constructor(t={}){super(t),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===t.alpha||t.alpha,this.parameters.antialias=!0===t.antialias,!0===this.parameters.antialias?this.parameters.sampleCount=void 0===t.sampleCount?4:t.sampleCount:this.parameters.sampleCount=1,this.parameters.requiredLimits=void 0===t.requiredLimits?{}:t.requiredLimits,this.trackTimestamp=!0===t.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new _I(this),this.attributeUtils=new AI(this),this.bindingUtils=new NI(this),this.pipelineUtils=new RI(this),this.textureUtils=new aI(this),this.occludedResolveCache=new Map}async init(t){await super.init(t);const e=this.parameters;let s;if(void 0===e.device){const t={powerPreference:e.powerPreference},i=await navigator.gpu.requestAdapter(t);if(null===i)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const r=Object.values(GM),n=[];for(const t of r)i.features.has(t)&&n.push(t);const o={requiredFeatures:n,requiredLimits:e.requiredLimits};s=await i.requestDevice(o)}else s=e.device;const i=void 0!==e.context?e.context:t.domElement.getContext("webgpu");this.device=s,this.context=i;const r=e.alpha?"premultiplied":"opaque";this.context.configure({device:this.device,format:HS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:r}),this.updateSize()}get coordinateSystem(){return Ls}async getArrayBufferAsync(t){return await this.attributeUtils.getArrayBufferAsync(t)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let t=this.defaultRenderPassdescriptor;const e=this.parameters.antialias;if(null===t){const s=this.renderer;t={colorAttachments:[{view:null}],depthStencilAttachment:{view:this.textureUtils.getDepthBuffer(s.depth,s.stencil).createView()}};const i=t.colorAttachments[0];!0===e?i.view=this.colorBuffer.createView():i.resolveTarget=void 0,this.defaultRenderPassdescriptor=t}const s=t.colorAttachments[0];return!0===e?s.resolveTarget=this.context.getCurrentTexture().createView():s.view=this.context.getCurrentTexture().createView(),t}_getRenderPassDescriptor(t){const e=t.renderTarget,s=this.get(e);let i=s.descriptors;void 0===i&&(i=[],s.descriptors=i),s.width===e.width&&s.height===e.height&&s.activeMipmapLevel===e.activeMipmapLevel&&s.samples===e.samples||(i.length=0);let r=i[t.activeCubeFace];if(void 0===r){const n=t.textures,o=[];for(let e=0;e0&&(e.currentOcclusionQuerySet&&e.currentOcclusionQuerySet.destroy(),e.currentOcclusionQueryBuffer&&e.currentOcclusionQueryBuffer.destroy(),e.currentOcclusionQuerySet=e.occlusionQuerySet,e.currentOcclusionQueryBuffer=e.occlusionQueryBuffer,e.currentOcclusionQueryObjects=e.occlusionQueryObjects,r=s.createQuerySet({type:"occlusion",count:i}),e.occlusionQuerySet=r,e.occlusionQueryIndex=0,e.occlusionQueryObjects=new Array(i),e.lastOcclusionObject=null),n=null===t.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(t),this.initTimestampQuery(t,n),n.occlusionQuerySet=r;const o=n.depthStencilAttachment;if(null!==t.textures){const e=n.colorAttachments;for(let s=0;s0&&(e.registerBundlesPhase=!1,e.currentPass.executeBundles(e.renderBundles)),s>e.occlusionQueryIndex&&e.currentPass.endOcclusionQuery(),e.currentPass.end(),s>0){const i=8*s;let r=this.occludedResolveCache.get(i);void 0===r&&(r=this.device.createBuffer({size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(i,r));const n=this.device.createBuffer({size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});e.encoder.resolveQuerySet(e.occlusionQuerySet,0,s,r,0),e.encoder.copyBufferToBuffer(r,0,n,0,i),e.occlusionQueryBuffer=n,this.resolveOccludedAsync(t)}if(this.prepareTimestampBuffer(t,e.encoder),this.device.queue.submit([e.encoder.finish()]),null!==t.textures){const e=t.textures;for(let t=0;t1?0:s;g.drawIndexed(e[s]/n,i,t[s]/4,0,o)}}else if(!0===y){const t=b.count!==1/0?b.count:f.count;g.drawIndexed(t,T,v,0,0),e.update(s,t,T)}else{const t=i.attributes.position,r=b.count!==1/0?b.count:t.count;g.draw(r,T,v,0),e.update(s,r,T)}if(this.renderer._currentRenderBundle){const t=g.finish();u.lastPipelineGPU=h,u.renderBundle=t,u.bundleEncoder=g}}}needsRenderUpdate(t){const e=this.get(t),{object:s,material:i}=t,r=this.utils,n=r.getSampleCount(t.context),o=r.getCurrentColorSpace(t.context),a=r.getCurrentColorFormat(t.context),h=r.getCurrentDepthStencilFormat(t.context),l=r.getPrimitiveTopology(s,i);let u=!1;return e.material===i&&e.materialVersion===i.version&&e.transparent===i.transparent&&e.blending===i.blending&&e.premultipliedAlpha===i.premultipliedAlpha&&e.blendSrc===i.blendSrc&&e.blendDst===i.blendDst&&e.blendEquation===i.blendEquation&&e.blendSrcAlpha===i.blendSrcAlpha&&e.blendDstAlpha===i.blendDstAlpha&&e.blendEquationAlpha===i.blendEquationAlpha&&e.colorWrite===i.colorWrite&&e.depthWrite===i.depthWrite&&e.depthTest===i.depthTest&&e.depthFunc===i.depthFunc&&e.stencilWrite===i.stencilWrite&&e.stencilFunc===i.stencilFunc&&e.stencilFail===i.stencilFail&&e.stencilZFail===i.stencilZFail&&e.stencilZPass===i.stencilZPass&&e.stencilFuncMask===i.stencilFuncMask&&e.stencilWriteMask===i.stencilWriteMask&&e.side===i.side&&e.alphaToCoverage===i.alphaToCoverage&&e.sampleCount===n&&e.colorSpace===o&&e.colorFormat===a&&e.depthStencilFormat===h&&e.primitiveTopology===l&&e.clippingContextVersion===t.clippingContextVersion||(e.material=i,e.materialVersion=i.version,e.transparent=i.transparent,e.blending=i.blending,e.premultipliedAlpha=i.premultipliedAlpha,e.blendSrc=i.blendSrc,e.blendDst=i.blendDst,e.blendEquation=i.blendEquation,e.blendSrcAlpha=i.blendSrcAlpha,e.blendDstAlpha=i.blendDstAlpha,e.blendEquationAlpha=i.blendEquationAlpha,e.colorWrite=i.colorWrite,e.depthWrite=i.depthWrite,e.depthTest=i.depthTest,e.depthFunc=i.depthFunc,e.stencilWrite=i.stencilWrite,e.stencilFunc=i.stencilFunc,e.stencilFail=i.stencilFail,e.stencilZFail=i.stencilZFail,e.stencilZPass=i.stencilZPass,e.stencilFuncMask=i.stencilFuncMask,e.stencilWriteMask=i.stencilWriteMask,e.side=i.side,e.alphaToCoverage=i.alphaToCoverage,e.sampleCount=n,e.colorSpace=o,e.colorFormat=a,e.depthStencilFormat=h,e.primitiveTopology=l,e.clippingContextVersion=t.clippingContextVersion,u=!0),u}getRenderCacheKey(t){const{object:e,material:s}=t,i=this.utils,r=t.context;return[s.transparent,s.blending,s.premultipliedAlpha,s.blendSrc,s.blendDst,s.blendEquation,s.blendSrcAlpha,s.blendDstAlpha,s.blendEquationAlpha,s.colorWrite,s.depthWrite,s.depthTest,s.depthFunc,s.stencilWrite,s.stencilFunc,s.stencilFail,s.stencilZFail,s.stencilZPass,s.stencilFuncMask,s.stencilWriteMask,s.side,i.getSampleCount(r),i.getCurrentColorSpace(r),i.getCurrentColorFormat(r),i.getCurrentDepthStencilFormat(r),i.getPrimitiveTopology(e,s),t.clippingContextVersion].join()}createSampler(t){this.textureUtils.createSampler(t)}destroySampler(t){this.textureUtils.destroySampler(t)}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}initTimestampQuery(t,e){if(!this.hasFeature(GM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(!s.timeStampQuerySet){const t=this.device.createQuerySet({type:"timestamp",count:2}),i={querySet:t,beginningOfPassWriteIndex:0,endOfPassWriteIndex:1};Object.assign(e,{timestampWrites:i}),s.timeStampQuerySet=t}}prepareTimestampBuffer(t,e){if(!this.hasFeature(GM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t),i=2*BigInt64Array.BYTES_PER_ELEMENT;void 0===s.currentTimestampQueryBuffers&&(s.currentTimestampQueryBuffers={resolveBuffer:this.device.createBuffer({label:"timestamp resolve buffer",size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),resultBuffer:this.device.createBuffer({label:"timestamp result buffer",size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),isMappingPending:!1});const{resolveBuffer:r,resultBuffer:n,isMappingPending:o}=s.currentTimestampQueryBuffers;!0!==o&&(e.resolveQuerySet(s.timeStampQuerySet,0,2,r,0),e.copyBufferToBuffer(r,0,n,0,i))}async resolveTimestampAsync(t,e="render"){if(!this.hasFeature(GM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(void 0===s.currentTimestampQueryBuffers)return;const{resultBuffer:i,isMappingPending:r}=s.currentTimestampQueryBuffers;!0!==r&&(s.currentTimestampQueryBuffers.isMappingPending=!0,i.mapAsync(GPUMapMode.READ).then((()=>{const t=new BigUint64Array(i.getMappedRange()),r=Number(t[1]-t[0])/1e6;this.renderer.info.updateTimestamp(e,r),i.unmap(),s.currentTimestampQueryBuffers.isMappingPending=!1})))}createNodeBuilder(t,e){return new TI(t,e)}createProgram(t){this.get(t).module={module:this.device.createShaderModule({code:t.code,label:t.stage}),entryPoint:"main"}}destroyProgram(t){this.delete(t)}createRenderPipeline(t,e){this.pipelineUtils.createRenderPipeline(t,e)}createComputePipeline(t,e){this.pipelineUtils.createComputePipeline(t,e)}createBundleEncoder(t,e){return this.pipelineUtils.createBundleEncoder(t,e)}createBindings(t){this.bindingUtils.createBindings(t)}updateBindings(t){this.bindingUtils.createBindings(t)}updateBinding(t){this.bindingUtils.updateBinding(t)}createIndexAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(t){this.attributeUtils.updateAttribute(t)}destroyAttribute(t){this.attributeUtils.destroyAttribute(t)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(t){return this.device.features.has(t)}copyTextureToTexture(t,e,s=null,i=null,r=0){let n=0,o=0,a=0,h=0,l=t.image.width,u=t.image.height;null!==s&&(a=s.x,h=s.y,l=s.width,u=s.height),null!==i&&(n=i.x,o=i.y);const c=this.device.createCommandEncoder({label:"copyTextureToTexture_"+t.id+"_"+e.id}),d=this.get(t).texture,p=this.get(e).texture;c.copyTextureToTexture({texture:d,mipLevel:r,origin:{x:a,y:h,z:0}},{texture:p,mipLevel:r,origin:{x:n,y:o,z:0}},[l,u]),this.device.queue.submit([c.finish()])}copyFramebufferToTexture(t,e){const s=this.get(e),{encoder:i,descriptor:r}=s;let n=null;n=e.renderTarget?t.isDepthTexture?this.get(e.depthTexture).texture:this.get(e.textures[0]).texture:t.isDepthTexture?this.textureUtils.getDepthBuffer(e.depth,e.stencil):this.context.getCurrentTexture();const o=this.get(t).texture;n.format===o.format?(s.currentPass.end(),i.copyTextureToTexture({texture:n,origin:{x:0,y:0,z:0}},{texture:o},[t.image.width,t.image.height]),t.generateMipmaps&&this.textureUtils.generateMipmaps(t),r.colorAttachments[0].loadOp=zS,e.depth&&(r.depthStencilAttachment.depthLoadOp=zS),e.stencil&&(r.depthStencilAttachment.stencilLoadOp=zS),s.currentPass=i.beginRenderPass(r),s.currentSets={attributes:{}}):console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",n.format,o.format)}}class EI extends dB{constructor(t={}){let e;t.forceWebGL?e=QB:xd.isAvailable()?e=CI:(e=QB,console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."));super(new e(t),t),this.isWebGPURenderer=!0}}const BI=new KA(new $T);class II{constructor(t,e=gm(0,0,1,1)){this.renderer=t,this.outputNode=e}render(){BI.material.fragmentNode=this.outputNode,BI.render(this.renderer)}renderAsync(){return BI.material.fragmentNode=this.outputNode,BI.renderAsync(this.renderer)}set needsUpdate(t){BI.material.needsUpdate=t}}class PI extends bi{constructor(t=1,e=1){super(),this.image={width:t,height:e},this.magFilter=Tt,this.minFilter=Tt,this.isStorageTexture=!0}}class FI extends on{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageBufferAttribute=!0}}class UI extends Go{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageInstancedBufferAttribute=!0}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{et as ACESFilmicToneMapping,Mv as AONode,v as AddEquation,J as AddOperation,Ve as AdditiveAnimationBlendMode,f as AdditiveBlending,oN as AfterImageNode,it as AgXToneMapping,Lt as AlphaFormat,Ms as AlwaysCompare,k as AlwaysDepth,ys as AlwaysStencilFunc,Cu as AmbientLight,KN as AmbientLightNode,bv as AnalyticLightNode,lN as AnamorphicNode,bc as AnimationAction,Ql as AnimationClip,au as AnimationLoader,Tc as AnimationMixer,xc as AnimationObjectGroup,Vl as AnimationUtils,th as ArcCurve,Yu as ArrayCamera,up as ArrayElementNode,pd as ArrowHelper,Om as AssignNode,nt as AttachedBindMode,Dm as AttributeNode,ic as Audio,lc as AudioAnalyser,Wu as AudioContext,sc as AudioListener,ju as AudioLoader,md as AxesHelper,PR as BRDF_GGX,xR as BRDF_Lambert,d as BackSide,We as BasicDepthPacking,a as BasicShadowMap,Kb as BatchNode,_a as BatchedMesh,rA as BlendModeNode,zo as Bone,Hl as BooleanKeyframeTrack,Fc as Box2,Bi as Box3,hd as Box3Helper,Wn as BoxGeometry,ad as BoxHelper,av as Break,on as BufferAttribute,Db as BufferAttributeNode,wn as BufferGeometry,Ou as BufferGeometryLoader,ix as BufferNode,cA as BumpMapNode,Gm as BypassNode,Nt as ByteType,tu as Cache,jm as CacheNode,qn as Camera,rd as CameraHelper,Ja as CanvasTexture,Th as CapsuleGeometry,oh as CatmullRomCurve3,sR as CheckerNode,tt as CineonToneMapping,_h as CircleGeometry,mt as ClampToEdgeWrapping,Ju as Clock,Gg as CodeNode,$r as Color,fA as ColorAdjustmentNode,ql as ColorKeyframeTrack,ui as ColorManagement,Wy as ColorSpaceNode,Xa as CompressedArrayTexture,Ya as CompressedCubeTexture,$a as CompressedTexture,hu as CompressedTextureLoader,VN as ComputeNode,Vv as CondNode,Sh as ConeGeometry,yp as ConstNode,L as ConstantAlphaFactor,O as ConstantColorFactor,qm as ContextNode,ov as Continue,cp as ConvertNode,Qn as CubeCamera,ht as CubeReflectionMapping,lt as CubeRefractionMapping,Kn as CubeTexture,uu as CubeTextureLoader,gv as CubeTextureNode,dt as CubeUVReflectionMapping,uh as CubicBezierCurve,ch as CubicBezierCurve3,kl as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,o as CullFaceFrontBack,i as CullFaceNone,Qa as Curve,xh as CurvePath,b as CustomBlending,st as CustomToneMapping,wh as CylinderGeometry,Ic as Cylindrical,FR as DFGApprox,ER as D_GGX,Mi as Data3DTexture,wi as DataArrayTexture,Lo as DataTexture,cu as DataTextureLoader,sn as DataUtils,os as DecrementStencilOp,hs as DecrementWrapStencilOp,su as DefaultLoadingManager,Wt as DepthFormat,pN as DepthOfFieldNode,jt as DepthStencilFormat,Za as DepthTexture,ot as DetachedBindMode,Ru as DirectionalLight,ed as DirectionalLightHelper,HN as DirectionalLightNode,rw as DiscardNode,Wl as DiscreteInterpolant,Je as DisplayP3ColorSpace,Ah as DodecahedronGeometry,fN as DotScreenNode,p as DoubleSide,B as DstAlphaFactor,P as DstColorFactor,Ps as DynamicCopyUsage,Ns as DynamicDrawUsage,Es as DynamicReadUsage,If as EPSILON,Bh as EdgesGeometry,Ka as EllipseCurve,dT as EnvironmentNode,vs as EqualCompare,j as EqualDepth,ds as EqualStencilFunc,p_ as EquirectUVNode,ut as EquirectangularReflectionMapping,ct as EquirectangularRefractionMapping,mr as Euler,Vs as EventDispatcher,Yy as ExpressionNode,al as ExtrudeGeometry,yR as F_Schlick,ou as FileLoader,mn as Float16BufferAttribute,gn as Float32BufferAttribute,It as FloatType,so as Fog,eo as FogExp2,PN as FogExp2Node,CN as FogNode,BN as FogRangeNode,qa as FramebufferTexture,WT as FrontFacingNode,c as FrontSide,ia as Frustum,vN as FunctionCallNode,$g as FunctionNode,hw as FunctionOverloadingNode,Ac as GLBufferAttribute,Us as GLSL1,Os as GLSL3,PC as GLSLNodeParser,sN as GaussianBlurNode,_s as GreaterCompare,q as GreaterDepth,Ss as GreaterEqualCompare,H as GreaterEqualDepth,fs as GreaterEqualStencilFunc,ms as GreaterStencilFunc,Jc as GridHelper,ja as Group,Pt as HalfFloatType,X_ as HashNode,mu as HemisphereLight,Yc as HemisphereLightHelper,tR as HemisphereLightNode,ZN as IESSpotLight,QN as IESSpotLightNode,Pf as INFINITY,ll as IcosahedronGeometry,tm as If,ku as ImageBitmapLoader,lu as ImageLoader,mi as ImageUtils,ns as IncrementStencilOp,as as IncrementWrapStencilOp,Ym as IndexNode,Hb as InstanceNode,Go as InstancedBufferAttribute,Uu as InstancedBufferGeometry,Mc as InstancedInterleavedBuffer,Jo as InstancedMesh,oR as InstancedPointsNodeMaterial,un as Int16BufferAttribute,dn as Int32BufferAttribute,an as Int8BufferAttribute,Et as IntType,ro as InterleavedBuffer,oo as InterleavedBufferAttribute,Dl as Interpolant,Ie as InterpolateDiscrete,Pe as InterpolateLinear,Fe as InterpolateSmooth,ls as InvertStencilOp,gT as IrradianceNode,dp as JoinNode,is as KeepStencilOp,jl as KeyframeTrack,Ao as LOD,vh as LatheGeometry,gr as Layers,bs as LessCompare,G as LessDepth,Ts as LessEqualCompare,W as LessEqualDepth,ps as LessEqualStencilFunc,cs as LessStencilFunc,pu as Light,kN as LightNode,Iu as LightProbe,Av as LightingContextNode,Km as LightingModel,yv as LightingNode,Tv as LightsNode,Ba as Line,dR as Line2NodeMaterial,zc as Line3,wa as LineBasicMaterial,hR as LineBasicNodeMaterial,dh as LineCurve,ph as LineCurve3,Pl as LineDashedMaterial,uR as LineDashedNodeMaterial,Oa as LineLoop,Ua as LineSegments,Ze as LinearDisplayP3ColorSpace,Tt as LinearFilter,Gl as LinearInterpolant,Mt as LinearMipMapLinearFilter,wt as LinearMipMapNearestFilter,St as LinearMipmapLinearFilter,_t as LinearMipmapNearestFilter,Ye as LinearSRGBColorSpace,Q as LinearToneMapping,Qe as LinearTransfer,iu as Loader,Fu as LoaderUtils,eu as LoadingManager,rv as LoopNode,Ce as LoopOnce,Be as LoopPingPong,Ee as LoopRepeat,Gt as LuminanceAlphaFormat,kt as LuminanceFormat,e as MOUSE,cw as MatcapUVNode,Jr as Material,Pu as MaterialLoader,Yx as MaterialNode,dx as MaterialReferenceNode,Bf as MathNode,Js as MathUtils,Qs as Matrix3,rr as Matrix4,S as MaxEquation,Zy as MaxMipLevelNode,kn as Mesh,Zr as MeshBasicMaterial,fR as MeshBasicNodeMaterial,El as MeshDepthMaterial,Bl as MeshDistanceMaterial,Cl as MeshLambertMaterial,wR as MeshLambertNodeMaterial,Il as MeshMatcapMaterial,gC as MeshMatcapNodeMaterial,Rl as MeshNormalMaterial,mR as MeshNormalNodeMaterial,Al as MeshPhongMaterial,MR as MeshPhongNodeMaterial,Ml as MeshPhysicalMaterial,aC as MeshPhysicalNodeMaterial,lC as MeshSSSNodeMaterial,Sl as MeshStandardMaterial,nC as MeshStandardNodeMaterial,Nl as MeshToonMaterial,pC as MeshToonNodeMaterial,w as MinEquation,gt as MirroredRepeatWrapping,Y as MixOperation,Ix as ModelNode,Lb as ModelViewProjectionNode,cv as MorphNode,x as MultiplyBlending,X as MultiplyOperation,ft as NearestFilter,vt as NearestMipMapLinearFilter,xt as NearestMipMapNearestFilter,bt as NearestMipmapLinearFilter,yt as NearestMipmapNearestFilter,rt as NeutralToneMapping,xs as NeverCompare,D as NeverDepth,us as NeverStencilFunc,m as NoBlending,$e as NoColorSpace,Z as NoToneMapping,op as Node,sg as NodeAttribute,G_ as NodeBuilder,lg as NodeCache,og as NodeCode,W_ as NodeFrame,j_ as NodeFunctionInput,ag as NodeKeywords,rR as NodeLoader,$T as NodeMaterial,MC as NodeMaterialLoader,AC as NodeObjectLoader,jd as NodeShaderStage,qd as NodeType,ig as NodeUniform,Hd as NodeUpdateType,ip as NodeUtils,rg as NodeVar,ng as NodeVarying,Le as NormalAnimationBlendMode,g as NormalBlending,SA as NormalMapNode,ws as NotEqualCompare,$ as NotEqualDepth,gs as NotEqualStencilFunc,$l as NumberKeyframeTrack,Br as Object3D,Sx as Object3DNode,zu as ObjectLoader,qe as ObjectSpaceNormalMap,ul as OctahedronGeometry,A as OneFactor,V as OneMinusConstantAlphaFactor,z as OneMinusConstantColorFactor,I as OneMinusDstAlphaFactor,F as OneMinusDstColorFactor,E as OneMinusSrcAlphaFactor,R as OneMinusSrcColorFactor,lf as OperatorNode,Au as OrthographicCamera,xw as OscNode,q_ as OutputStructNode,es as P3Primaries,h as PCFShadowMap,l as PCFSoftShadowMap,Ff as PI,Uf as PI2,E_ as PMREMGenerator,lT as PMREMNode,ww as PackingNode,Dg as ParameterNode,$A as PassNode,bh as Path,Jn as PerspectiveCamera,TR as PhongLightingModel,iC as PhysicalLightingModel,ta as Plane,cl as PlaneGeometry,ld as PlaneHelper,Mu as PointLight,Hc as PointLightHelper,jN as PointLightNode,xS as PointUVNode,Ga as Points,za as PointsMaterial,yC as PointsNodeMaterial,Zc as PolarGridHelper,Mh as PolyhedronGeometry,hc as PositionalAudio,II as PostProcessing,AA as PosterizeNode,yc as PropertyBinding,uc as PropertyMixer,ug as PropertyNode,KA as QuadMesh,mh as QuadraticBezierCurve,gh as QuadraticBezierCurve3,Ni as Quaternion,Yl as QuaternionKeyframeTrack,Xl as QuaternionLinearInterpolant,Ne as RED_GREEN_RGTC2_Format,Me as RED_RGTC1_Format,t as REVISION,je as RGBADepthPacking,Dt as RGBAFormat,Jt as RGBAIntegerFormat,be as RGBA_ASTC_10x10_Format,fe as RGBA_ASTC_10x5_Format,ye as RGBA_ASTC_10x6_Format,xe as RGBA_ASTC_10x8_Format,ve as RGBA_ASTC_12x10_Format,Te as RGBA_ASTC_12x12_Format,he as RGBA_ASTC_4x4_Format,le as RGBA_ASTC_5x4_Format,ue as RGBA_ASTC_5x5_Format,ce as RGBA_ASTC_6x5_Format,de as RGBA_ASTC_6x6_Format,pe as RGBA_ASTC_8x5_Format,me as RGBA_ASTC_8x6_Format,ge as RGBA_ASTC_8x8_Format,_e as RGBA_BPTC_Format,ae as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,ie as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Vt as RGBFormat,Yt as RGBIntegerFormat,xN as RGBShiftNode,we as RGB_BPTC_SIGNED_Format,Se as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,oe as RGB_ETC2_Format,se as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,Zt as RGB_S3TC_DXT1_Format,$t as RGFormat,Xt as RGIntegerFormat,zN as RangeNode,wl as RawShaderMaterial,ir as Ray,Rc as Raycaster,ts as Rec709Primaries,Eu as RectAreaLight,YN as RectAreaLightNode,Ht as RedFormat,qt as RedIntegerFormat,lx as ReferenceNode,tS as ReflectorNode,K as ReinhardToneMapping,Aw as RemapNode,Ti as RenderTarget,rS as RendererReferenceNode,pt as RepeatWrapping,rs as ReplaceStencilOp,aw as Return,_ as ReverseSubtractEquation,dl as RingGeometry,Bw as RotateNode,Cw as RotateUVNode,Re as SIGNED_RED_GREEN_RGTC2_Format,Ae as SIGNED_RED_RGTC1_Format,Xe as SRGBColorSpace,Ke as SRGBTransfer,io as Scene,vS as SceneNode,OR as Schlick_to_F0,NN as ScriptableNode,_N as ScriptableValueNode,gp as SetNode,Hn as ShaderMaterial,Hp as ShaderNode,_l as ShadowMaterial,_C as ShadowNodeMaterial,Ih as Shape,pl as ShapeGeometry,gd as ShapePath,rl as ShapeUtils,Rt as ShortType,ko as Skeleton,Wc as SkeletonHelper,Oo as SkinnedMesh,ev as SkinningNode,cN as SobelOperatorNode,fi as Source,Yi as Sphere,ml as SphereGeometry,Bc as Spherical,Bu as SphericalHarmonics3,fh as SplineCurve,mp as SplitNode,vu as SpotLight,Vc as SpotLightHelper,JN as SpotLightNode,_o as Sprite,ao as SpriteMaterial,bC as SpriteNodeMaterial,Pw as SpriteSheetUVNode,C as SrcAlphaFactor,U as SrcAlphaSaturateFactor,N as SrcColorFactor,c_ as StackNode,Is as StaticCopyUsage,As as StaticDrawUsage,Cs as StaticReadUsage,Xu as StereoCamera,Uw as StorageArrayElementNode,FI as StorageBufferAttribute,WM as StorageBufferNode,UI as StorageInstancedBufferAttribute,PI as StorageTexture,qM as StorageTextureNode,Fs as StreamCopyUsage,Rs as StreamDrawUsage,Bs as StreamReadUsage,Jl as StringKeyframeTrack,T as SubtractEquation,y as SubtractiveBlending,Uv as TBNViewMatrix,s as TOUCH,He as TangentSpaceNormalMap,lp as TempNode,gl as TetrahedronGeometry,bi as Texture,JM as Texture3DNode,fS as TextureBicubicNode,du as TextureLoader,Ky as TextureNode,af as TextureSizeNode,pw as TimerNode,VA as ToneMappingNode,fl as TorusGeometry,yl as TorusKnotGeometry,Gr as Triangle,Ge as TriangleFanDrawMode,ke as TriangleStripDrawMode,De as TrianglesDrawMode,zw as TriplanarTexturesNode,xl as TubeGeometry,at as UVMapping,cn as Uint16BufferAttribute,pn as Uint32BufferAttribute,hn as Uint8BufferAttribute,ln as Uint8ClampedBufferAttribute,_c as Uniform,Zg as UniformGroupNode,rf as UniformNode,Sc as UniformsGroup,ox as UniformsNode,At as UnsignedByteType,Ot as UnsignedInt248Type,zt as UnsignedInt5999Type,Bt as UnsignedIntType,Ft as UnsignedShort4444Type,Ut as UnsignedShort5551Type,Ct as UnsignedShortType,QM as UserDataNode,u as VSMShadowMap,RR as V_GGX_SmithCorrelated,tg as VarNode,Lm as VaryingNode,Zs as Vector2,Ri as Vector3,vi as Vector4,Zl as VectorKeyframeTrack,sS as VertexColorNode,Ha as VideoTexture,PT as ViewportDepthNode,BT as ViewportDepthTextureNode,xT as ViewportNode,WA as ViewportSharedTextureNode,NT as ViewportTextureNode,wC as VolumeNodeMaterial,Ai as WebGL3DRenderTarget,Si as WebGLArrayRenderTarget,zs as WebGLCoordinateSystem,to as WebGLCubeRenderTarget,fd as WebGLMultipleRenderTargets,_i as WebGLRenderTarget,Ls as WebGPUCoordinateSystem,EI as WebGPURenderer,bl as WireframeGeometry,ze as WrapAroundEnding,Ue as ZeroCurvatureEnding,M as ZeroFactor,Oe as ZeroSlopeEnding,ss as ZeroStencilOp,iy as abs,ey as acos,uf as add,Sv as addLightNode,ap as addNodeClass,vp as addNodeElement,XT as addNodeMaterial,aN as afterImage,Of as all,wg as alphaT,uN as anamorphic,Tf as and,Sg as anisotropy,Ag as anisotropyB,Mg as anisotropyT,zf as any,em as append,Im as arrayBuffer,ty as asin,zm as assign,sy as atan,fy as atan2,km as attribute,TS as backgroundBlurriness,_S as backgroundIntensity,tv as batch,Mf as bitAnd,Af as bitNot,Nf as bitOr,Rf as bitXor,Cv as bitangentGeometry,Ev as bitangentLocal,Bv as bitangentView,Iv as bitangentWorld,my as bitcast,oT as blur,_m as bmat2,Am as bmat3,Em as bmat4,om as bool,rx as buffer,kb as bufferAttribute,dA as bumpMap,nA as burn,um as bvec2,mm as bvec3,xm as bvec4,Wm as bypass,Hm as cache,TN as call,fx as cameraFar,yx as cameraLogDepth,gx as cameraNear,_x as cameraNormalMatrix,wx as cameraPosition,xx as cameraProjectionMatrix,bx as cameraProjectionMatrixInverse,vx as cameraViewMatrix,Tx as cameraWorldMatrix,By as cbrt,Xf as ceil,iR as checker,Fy as clamp,fg as clearcoat,yg as clearcoatRoughness,Wg as code,sm as color,qy as colorSpaceToLinear,Mw as colorToDirection,DN as compute,Dv as cond,$m as context,Fm as convert,Qf as cos,ii as createCanvasElement,hp as createNodeFromType,YT as createNodeMaterialFromType,My as cross,fv as cubeTexture,hy as dFdx,ly as dFdy,Bg as dashSize,Xd as defaultBuildStages,$d as defaultShaderStages,Wp as defined,Df as degrees,FN as densityFog,VT as depth,JA as depthPass,wy as difference,pg as diffuseColor,Sw as directionToColor,ow as discard,_y as distance,pf as div,oA as dodge,mN as dof,Sy as dot,yN as dotScreen,Qm as drawIndex,Gb as dynamicBufferAttribute,Pm as element,gf as equal,Lf as equals,m_ as equirectUV,kf as exp,Gf as exp2,Jy as expression,HT as faceDirection,Ly as faceForward,im as float,$f as floor,EN as fog,Jf as fract,tf as frameGroup,yw as frameId,jT as frontFacing,py as fwidth,Z_ as gain,Ig as gapSize,iN as gaussianBlur,jp as getConstNodeType,Kp as getCurrentStack,sT as getDirection,WN as getDistanceAttenuation,AR as getGeometryRoughness,NR as getRoughness,AN as global,qg as glsl,Yg as glslFn,xf as greaterThan,vf as greaterThanEqual,Y_ as hash,bA as hue,vm as imat2,Sm as imat3,Rm as imat4,qb as instance,Zm as instanceIndex,Wb as instancedBufferAttribute,jb as instancedDynamicBufferAttribute,rm as int,qf as inverseSqrt,vg as iridescence,Tg as iridescenceIOR,_g as iridescenceThickness,hm as ivec2,dm as ivec3,fm as ivec4,jg as js,Xm as label,ny as length,Iy as lengthSq,yf as lessThan,bf as lessThanEqual,GN as lightTargetDirection,Nv as lightingContext,_v as lights,wv as lightsNode,DT as linearDepth,Hy as linearToColorSpace,$y as linearTosRGB,Wf as log,jf as log2,nv as loop,vA as lumaCoeffs,TA as luminance,bm as mat2,wm as mat3,Nm as mat4,dw as matcapUV,Jx as materialAlphaTest,gb as materialAnisotropy,Bb as materialAnisotropyVector,lb as materialClearcoat,cb as materialClearcoatNormal,ub as materialClearcoatRoughness,Zx as materialColor,Eb as materialDispersion,Kx as materialEmissive,fb as materialIridescence,yb as materialIridescenceIOR,xb as materialIridescenceThickness,Rb as materialLineDashOffset,Mb as materialLineDashSize,Ab as materialLineGapSize,Sb as materialLineScale,Nb as materialLineWidth,ab as materialMetalness,hb as materialNormal,tb as materialOpacity,Cb as materialPointWidth,px as materialReference,nb as materialReflectivity,db as materialRotation,ob as materialRoughness,pb as materialSheen,mb as materialSheenRoughness,Qx as materialShininess,eb as materialSpecular,rb as materialSpecularStrength,xy as max,Qy as maxMipLevel,gg as metalness,yy as min,Py as mix,by as mod,Px as modelDirection,Ux as modelNormalMatrix,zx as modelPosition,Lx as modelScale,Fx as modelViewMatrix,Vx as modelViewPosition,Vb as modelViewProjection,Ox as modelWorldMatrix,Dx as modelWorldMatrixInverse,dv as morphReference,df as mul,_E as mx_aastep,LE as mx_cell_noise_float,BE as mx_contrast,VE as mx_fractal_noise_float,DE as mx_fractal_noise_vec2,kE as mx_fractal_noise_vec3,GE as mx_fractal_noise_vec4,bE as mx_hsvtorgb,IE as mx_noise_float,PE as mx_noise_vec3,FE as mx_noise_vec4,SE as mx_ramplr,ME as mx_ramptb,vE as mx_rgbtohsv,EE as mx_safepower,NE as mx_splitlr,RE as mx_splittb,TE as mx_srgb_texture_to_lin_rec709,CE as mx_transform_uv,UE as mx_worley_noise_float,OE as mx_worley_noise_vec2,zE as mx_worley_noise_vec3,oy as negate,Xp as nodeArray,Jp as nodeImmutable,qp as nodeObject,$p as nodeObjects,Yp as nodeProxy,kx as normalGeometry,Gx as normalLocal,MA as normalMap,Wx as normalView,jx as normalWorld,Yf as normalize,wf as not,Mx as objectDirection,sf as objectGroup,Nx as objectNormalMatrix,Cx as objectPosition,Ex as objectScale,Ax as objectViewMatrix,Bx as objectViewPosition,Rx as objectWorldMatrix,ay as oneMinus,_f as or,UT as orthographicDepthToViewZ,_w as oscSawtooth,bw as oscSine,vw as oscSquare,Tw as oscTriangle,Eg as output,$_ as outputStruct,aA as overlay,uw as overloadingFn,J_ as parabola,Ov as parallaxDirection,zv as parallaxUV,kg as parameter,XA as pass,Q_ as pcurve,zT as perspectiveDepthToViewZ,uT as pmremTexture,bS as pointUV,Pg as pointWidth,Ib as positionGeometry,Pb as positionLocal,Ob as positionView,zb as positionViewDirection,Fb as positionWorld,Ub as positionWorldDirection,NA as posterize,Ay as pow,Ny as pow2,Ry as pow3,Cy as pow4,cg as property,Vf as radians,LN as range,IN as rangeFog,cy as reciprocal,ux as reference,cx as referenceBuffer,Ty as reflect,mv as reflectVector,pv as reflectView,eS as reflector,Oy as refract,mf as remainder,Nw as remap,Rw as remapClamp,ef as renderGroup,nS as rendererReference,bN as rgbShift,Iw as rotate,Ew as rotateUV,mg as roughness,uy as round,Xy as sRGBToLinear,sx as sampler,Uy as saturate,yA as saturation,hA as screen,RN as scriptable,wN as scriptableValue,Qp as setCurrentStack,Yd as shaderStages,xg as sheen,bg as sheenRoughness,Cf as shiftLeft,Ef as shiftRight,Cg as shininess,ry as sign,Zf as sin,K_ as sinc,sv as skinning,iv as skinningReference,zy as smoothstep,dN as sobel,Ng as specularColor,Um as split,Fw as spritesheetUV,Hf as sqrt,d_ as stack,vy as step,jM as storage,HM as storageObject,$M as storageTexture,Bm as string,cf as sub,Kf as tan,$b as tangentGeometry,Xb as tangentLocal,Yb as tangentView,Jb as tangentWorld,eg as temp,tx as texture,ZM as texture3D,yS as textureBicubic,iT as textureCubeUV,ex as textureLoad,YA as texturePass,hf as textureSize,XM as textureStore,_A as threshold,fw as timerDelta,gw as timerGlobal,mw as timerLocal,DA as toneMapping,Ey as transformDirection,Lv as transformedBentNormalView,Pv as transformedBitangentView,Fv as transformedBitangentWorld,$x as transformedClearcoatNormalView,Hx as transformedNormalView,qx as transformedNormalWorld,Zb as transformedTangentView,Qb as transformedTangentWorld,gy as transpose,sw as triNoise3D,Vw as triplanarTexture,Lw as triplanarTextures,dy as trunc,Zp as tslFn,nm as uint,Tm as umat2,Mm as umat3,Cm as umat4,nf as uniform,Qg as uniformGroup,ax as uniforms,KM as userData,of as uv,lm as uvec2,pm as uvec3,ym as uvec4,Vm as varying,dg as varyingProperty,am as vec2,cm as vec3,gm as vec4,Jd as vectorComponents,iS as vertexColor,Jm as vertexIndex,xA as vibrance,FT as viewZToOrthographicDepth,OT as viewZToPerspectiveDepth,TT as viewport,wT as viewportBottomLeft,MT as viewportBottomRight,bT as viewportCoordinate,IT as viewportDepthTexture,kT as viewportLinearDepth,CT as viewportMipTexture,vT as viewportResolution,jA as viewportSharedTexture,RT as viewportTexture,_T as viewportTopLeft,ST as viewportTopRight,Hg as wgsl,Jg as wgslFn,Sf as xor}; diff --git a/examples/jsm/lights/RectAreaLightTexturesLib.js b/examples/jsm/lights/RectAreaLightTexturesLib.js new file mode 100644 index 00000000000000..b0ae50ec062871 --- /dev/null +++ b/examples/jsm/lights/RectAreaLightTexturesLib.js @@ -0,0 +1,91 @@ +import { + ClampToEdgeWrapping, + DataTexture, + DataUtils, + FloatType, + HalfFloatType, + LinearFilter, + NearestFilter, + RGBAFormat, + UVMapping +} from 'three'; + +/** + * Uniforms library for RectAreaLight shared webgl shaders + * + * NOTE: This is a temporary location for the BRDF approximation texture data + * based off of Eric Heitz's work (see citation below). BRDF data for + * RectAreaLight is currently approximated using a precomputed texture + * of roughly 80kb in size. The hope is to find a better way to include + * the large texture data before including the full RectAreaLight implementation + * in the main build files. + * + * TODO: figure out a way to compress the LTC BRDF data + */ + +// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines +// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt +// code: https://github.com/selfshadow/ltc_code/ + +class RectAreaLightTexturesLib { + + static init() { + + // source: https://github.com/selfshadow/ltc_code/tree/master/fit/results/ltc.js + + const LTC_MAT_1 = [ 1, 0, 0, 2e-05, 1, 0, 0, 0.000503905, 1, 0, 0, 0.00201562, 1, 0, 0, 0.00453516, 1, 0, 0, 0.00806253, 1, 0, 0, 0.0125978, 1, 0, 0, 0.018141, 1, 0, 0, 0.0246924, 1, 0, 0, 0.0322525, 1, 0, 0, 0.0408213, 1, 0, 0, 0.0503999, 1, 0, 0, 0.0609894, 1, 0, 0, 0.0725906, 1, 0, 0, 0.0852058, 1, 0, 0, 0.0988363, 1, 0, 0, 0.113484, 1, 0, 0, 0.129153, 1, 0, 0, 0.145839, 1, 0, 0, 0.163548, 1, 0, 0, 0.182266, 1, 0, 0, 0.201942, 1, 0, 0, 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0.412148, 0.302508, 0.338809, - 0.210856, 0.418266, 0.337264, 0.372678, - 0.220655, 0.428723, 0.374881, 0.405632, - 0.230053, 0.433887, 0.415656, 0.442293, - 0.237993, 0.439911, 0.457982, 0.477256, - 0.244897, 0.440175, 0.502831, 0.515592, - 0.250657, 0.441079, 0.550277, 0.550969, - 0.255459, 0.435219, 0.601102, 0.592883, - 0.257696, 0.432882, 0.651785, 0.629092, - 0.259894, 0.421054, 0.708961, 0.672033, - 0.258592, 0.41177, 0.763806, 0.709147, - 0.256525, 0.395267, 0.824249, 0.745367, - 0.254677, 0.375013, 0.8951, 0.784715, - 0.247892, 0.353906, 0.959317, 0.818107, - 0.240162, 0.327801, 1.03153, 0.847895, - 0.229741, 0.298821, 1.10601, 0.879603, - 0.213084, 0.269115, 1.164, 0.902605, - 0.195242, 0.236606, 1.22854, 0.922788, - 0.174505, 0.203442, 1.29017, 0.944831, - 0.150169, 0.169594, 1.34157, 0.959656, - 0.124099, 0.135909, 1.3956, 0.972399, - 0.0960626, 0.0990563, 1.45128, 0.986549, - 0.0657097, 0.0602348, 1.50312, 1.00013, - 0.0333558, 0.0186694, 1.55364, 6.19747e-06, - 1e-07, 0.00778326, 7.96756e-11, 2.37499e-08, - 9.99999e-08, 2.82592e-05, 1.14596e-10, 1.00292e-06, - 1.66369e-06, 0.000250354, 6.77492e-09, 3.50752e-06, - 6.37769e-06, 0.000357289, 6.31655e-08, 8.26445e-06, - 1.74689e-05, 0.000516179, 3.1851e-07, 2.42481e-05, - 4.50868e-05, 0.0010223, 1.30577e-06, 4.55631e-05, - 8.9044e-05, 0.00144302, 3.74587e-06, 9.71222e-05, - 0.000178311, 0.00241912, 1.02584e-05, 0.000171403, - 0.000313976, 0.00354938, 2.36481e-05, 0.000292747, - 0.000520026, 0.00513765, 4.96014e-05, 0.000789827, - 0.00118187, 0.0238621, 0.000139056, 0.00114093, - 0.00171827, 0.0286691, 0.000244093, 0.00176119, - 0.00249667, 0.0368565, 0.000420623, 0.0022233, - 0.00333742, 0.0400469, 0.00065673, 0.00343382, - 0.00481976, 0.0535751, 0.00109323, 0.00427602, - 0.00600755, 0.057099, 0.00155268, 0.00461435, - 0.00737637, 0.0551084, 0.00215031, 0.00695698, - 0.00971401, 0.0715767, 0.00316529, 0.00867619, - 0.0120943, 0.0793314, 0.00436995, 0.0106694, - 0.0148202, 0.0869391, 0.0058959, 0.0140351, - 0.0183501, 0.101572, 0.00798757, 0.0168939, - 0.022006, 0.11018, 0.0104233, 0.020197, - 0.0261568, 0.119041, 0.0134167, 0.0254702, - 0.0312778, 0.135404, 0.0173009, 0.0298384, - 0.0362469, 0.1437, 0.0215428, 0.035159, - 0.042237, 0.15512, 0.0268882, 0.0427685, - 0.0488711, 0.17128, 0.033235, 0.0494848, - 0.0557997, 0.181813, 0.0404443, 0.0592394, - 0.0635578, 0.198745, 0.0490043, 0.0681463, - 0.071838, 0.210497, 0.0588239, 0.0804753, - 0.0809297, 0.228864, 0.0702835, 0.0942205, - 0.0906488, 0.247008, 0.0834012, 0.106777, - 0.100216, 0.258812, 0.0975952, 0.124471, - 0.110827, 0.278617, 0.114162, 0.138389, - 0.121193, 0.287049, 0.131983, 0.159543, - 0.13253, 0.307151, 0.152541, 0.176432, - 0.143611, 0.31564, 0.174673, 0.201723, - 0.15548, 0.33538, 0.199842, 0.229721, - 0.167166, 0.355256, 0.227097, 0.250206, - 0.178238, 0.360047, 0.256014, 0.282118, - 0.189905, 0.378761, 0.28855, 0.312821, - 0.201033, 0.39181, 0.323348, 0.341482, - 0.211584, 0.397716, 0.360564, 0.377368, - 0.221314, 0.410141, 0.400004, 0.418229, - 0.230474, 0.423485, 0.442371, 0.444881, - 0.239443, 0.418874, 0.488796, 0.488899, - 0.245987, 0.427545, 0.535012, 0.520317, - 0.253948, 0.422147, 0.589678, 0.568566, - 0.256616, 0.42719, 0.637683, 0.599607, - 0.26376, 0.415114, 0.703363, 0.64222, - 0.268687, 0.408715, 0.771363, 0.685698, - 0.2694, 0.399722, 0.83574, 0.732327, - 0.266642, 0.388651, 0.897764, 0.769873, - 0.267712, 0.369198, 0.983312, 0.806733, - 0.263479, 0.346802, 1.06222, 0.843466, - 0.254575, 0.321368, 1.13477, 0.873008, - 0.242749, 0.29211, 1.20712, 0.908438, - 0.22725, 0.262143, 1.27465, 0.936321, - 0.207621, 0.228876, 1.33203, 0.950353, - 0.187932, 0.19484, 1.40439, 0.96442, - 0.165154, 0.163178, 1.4732, 0.979856, - 0.139302, 0.127531, 1.53574, 0.982561, - 0.11134, 0.0903457, 1.59982, 0.996389, - 0.0808124, 0.0489007, 1.6577 ]; + + const LTC_MAT_2 = [ 1, 0, 0, 0, 1, 7.91421e-31, 0, 0, 1, 1.04392e-24, 0, 0, 1, 3.49405e-21, 0, 0, 1, 1.09923e-18, 0, 0, 1, 9.47414e-17, 0, 0, 1, 3.59627e-15, 0, 0, 1, 7.72053e-14, 0, 0, 1, 1.08799e-12, 0, 0, 1, 1.10655e-11, 0, 0, 1, 8.65818e-11, 0, 0, 0.999998, 5.45037e-10, 0, 0, 0.999994, 2.85095e-09, 0, 0, 0.999989, 1.26931e-08, 0, 0, 0.999973, 4.89938e-08, 0, 0, 0.999947, 1.66347e-07, 0, 0, 0.999894, 5.02694e-07, 0, 0, 0.999798, 1.36532e-06, 0, 0, 0.999617, 3.35898e-06, 0, 0, 0.999234, 7.52126e-06, 0, 0, 0.998258, 1.52586e-05, 0, 0, 0.99504, 2.66207e-05, 0, 0, 0.980816, 2.36802e-05, 0, 0, 0.967553, 2.07684e-06, 0, 0, 0.966877, 4.03733e-06, 0, 0, 0.965752, 7.41174e-06, 0, 0, 0.96382, 1.27746e-05, 0, 0, 0.960306, 2.02792e-05, 0, 0, 0.953619, 2.80232e-05, 0, 0, 0.941103, 2.78816e-05, 0, 0, 0.926619, 1.60221e-05, 0, 0, 0.920983, 2.35164e-05, 0, 0, 0.912293, 3.11924e-05, 0, 0.0158731, 0.899277, 3.48118e-05, 0, 0.0476191, 0.880884, 2.6041e-05, 0, 0.0793651, 0.870399, 3.38726e-05, 0, 0.111111, 0.856138, 3.92906e-05, 0, 0.142857, 0.837436, 3.72874e-05, 0, 0.174603, 0.820973, 3.92558e-05, 0, 0.206349, 0.803583, 4.34658e-05, 0, 0.238095, 0.782168, 4.0256e-05, 0, 0.269841, 0.764107, 4.48159e-05, 0, 0.301587, 0.743092, 4.57627e-05, 0, 0.333333, 0.721626, 4.55314e-05, 0, 0.365079, 0.700375, 4.77335e-05, 0, 0.396825, 0.677334, 4.61072e-05, 0, 0.428571, 0.655702, 4.84393e-05, 0, 0.460317, 0.632059, 4.64583e-05, 0, 0.492064, 0.610125, 4.83923e-05, 0, 0.52381, 0.58653, 4.64342e-05, 0, 0.555556, 0.564508, 4.77033e-05, 0, 0.587302, 0.541405, 4.59263e-05, 0, 0.619048, 0.519556, 4.6412e-05, 0, 0.650794, 0.497292, 4.48913e-05, 0, 0.68254, 0.475898, 4.45789e-05, 0, 0.714286, 0.454722, 4.33496e-05, 0, 0.746032, 0.434042, 4.23054e-05, 0, 0.777778, 0.414126, 4.13737e-05, 0, 0.809524, 0.394387, 3.97265e-05, 0, 0.84127, 0.375841, 3.90709e-05, 0, 0.873016, 0.357219, 3.69938e-05, 0, 0.904762, 0.340084, 3.65618e-05, 0, 0.936508, 0.322714, 3.42533e-05, 0, 0.968254, 0.306974, 3.39596e-05, 0, 1, 1, 1.01524e-18, 0, 0, 1, 1.0292e-18, 0, 0, 1, 1.30908e-18, 0, 0, 1, 4.73331e-18, 0, 0, 1, 6.25319e-17, 0, 0, 1, 1.07932e-15, 0, 0, 1, 1.63779e-14, 0, 0, 1, 2.03198e-13, 0, 0, 1, 2.04717e-12, 0, 0, 0.999999, 1.68995e-11, 0, 0, 0.999998, 1.15855e-10, 0, 0, 0.999996, 6.6947e-10, 0, 0, 0.999991, 3.30863e-09, 0, 0, 0.999983, 1.41737e-08, 0, 0, 0.999968, 5.32626e-08, 0, 0, 0.99994, 1.77431e-07, 0, 0, 0.999891, 5.28835e-07, 0, 0, 0.999797, 1.42169e-06, 0, 0, 0.999617, 3.47057e-06, 0, 0, 0.999227, 7.7231e-06, 0, 0, 0.998239, 1.55753e-05, 0, 0, 0.994937, 2.68495e-05, 0, 0, 0.980225, 2.13742e-05, 0, 0, 0.967549, 2.1631e-06, 0, 0, 0.966865, 4.17989e-06, 0, 0, 0.965739, 7.63341e-06, 0, 0, 0.963794, 1.30892e-05, 0, 0, 0.960244, 2.06456e-05, 0, 0, 0.953495, 2.82016e-05, 0, 0.000148105, 0.940876, 2.71581e-05, 0, 0.002454, 0.926569, 1.64159e-05, 0, 0.00867491, 0.920905, 2.39521e-05, 0, 0.01956, 0.912169, 3.15127e-05, 0, 0.035433, 0.899095, 3.46626e-05, 0, 0.056294, 0.882209, 2.90223e-05, 0, 0.0818191, 0.870272, 3.42992e-05, 0, 0.111259, 0.855977, 3.94164e-05, 0, 0.142857, 0.837431, 3.72343e-05, 0, 0.174603, 0.820826, 3.96691e-05, 0, 0.206349, 0.803408, 4.35395e-05, 0, 0.238095, 0.782838, 4.19579e-05, 0, 0.269841, 0.763941, 4.50953e-05, 0, 0.301587, 0.742904, 4.55847e-05, 0, 0.333333, 0.721463, 4.58833e-05, 0, 0.365079, 0.700197, 4.77159e-05, 0, 0.396825, 0.677501, 4.70641e-05, 0, 0.428571, 0.655527, 4.84732e-05, 0, 0.460317, 0.6324, 4.76834e-05, 0, 0.492064, 0.609964, 4.84213e-05, 0, 0.52381, 0.586839, 4.75541e-05, 0, 0.555556, 0.564353, 4.76951e-05, 0, 0.587302, 0.541589, 4.67611e-05, 0, 0.619048, 0.519413, 4.63493e-05, 0, 0.650794, 0.497337, 4.53994e-05, 0, 0.68254, 0.475797, 4.45308e-05, 0, 0.714286, 0.454659, 4.35787e-05, 0, 0.746032, 0.434065, 4.24839e-05, 0, 0.777778, 0.414018, 4.1436e-05, 0, 0.809524, 0.39455, 4.01902e-05, 0, 0.84127, 0.375742, 3.90813e-05, 0, 0.873016, 0.357501, 3.77116e-05, 0, 0.904762, 0.339996, 3.6535e-05, 0, 0.936508, 0.323069, 3.51265e-05, 0, 0.968254, 0.306897, 3.39112e-05, 0, 1, 1, 1.0396e-15, 0, 0, 1, 1.04326e-15, 0, 0, 1, 1.10153e-15, 0, 0, 1, 1.44668e-15, 0, 0, 1, 3.4528e-15, 0, 0, 1, 1.75958e-14, 0, 0, 1, 1.2627e-13, 0, 0, 1, 9.36074e-13, 0, 0, 1, 6.45742e-12, 0, 0, 0.999998, 4.01228e-11, 0, 0, 0.999997, 2.22338e-10, 0, 0, 0.999995, 1.0967e-09, 0, 0, 0.999991, 4.82132e-09, 0, 0, 0.999981, 1.89434e-08, 0, 0, 0.999967, 6.67716e-08, 0, 0, 0.999938, 2.12066e-07, 0, 0, 0.999886, 6.0977e-07, 0, 0, 0.999792, 1.59504e-06, 0, 0, 0.999608, 3.81191e-06, 0, 0, 0.999209, 8.33727e-06, 0, 0, 0.998179, 1.65288e-05, 0, 0, 0.994605, 2.74387e-05, 0, 0, 0.979468, 1.67316e-05, 0, 0, 0.967529, 2.42877e-06, 0, 0, 0.966836, 4.61696e-06, 0, 0, 0.96569, 8.30977e-06, 0, 0, 0.963706, 1.40427e-05, 0, 2.44659e-06, 0.960063, 2.17353e-05, 0, 0.000760774, 0.953113, 2.86606e-05, 0, 0.00367261, 0.940192, 2.47691e-05, 0, 0.00940263, 0.927731, 1.95814e-05, 0, 0.018333, 0.920669, 2.52531e-05, 0, 0.0306825, 0.911799, 3.24277e-05, 0, 0.0465556, 0.89857, 3.40982e-05, 0, 0.0659521, 0.883283, 3.19622e-05, 0, 0.0887677, 0.86989, 3.5548e-05, 0, 0.114784, 0.855483, 3.97143e-05, 0, 0.143618, 0.837987, 3.91665e-05, 0, 0.174606, 0.820546, 4.11306e-05, 0, 0.206349, 0.802878, 4.36753e-05, 0, 0.238095, 0.783402, 4.44e-05, 0, 0.269841, 0.763439, 4.58726e-05, 0, 0.301587, 0.742925, 4.67097e-05, 0, 0.333333, 0.721633, 4.78887e-05, 0, 0.365079, 0.69985, 4.81251e-05, 0, 0.396825, 0.67783, 4.91811e-05, 0, 0.428571, 0.655126, 4.88199e-05, 0, 0.460318, 0.632697, 4.96025e-05, 0, 0.492064, 0.609613, 4.8829e-05, 0, 0.52381, 0.587098, 4.92754e-05, 0, 0.555556, 0.564119, 4.82625e-05, 0, 0.587302, 0.541813, 4.82807e-05, 0, 0.619048, 0.519342, 4.71552e-05, 0, 0.650794, 0.497514, 4.66765e-05, 0, 0.68254, 0.475879, 4.55582e-05, 0, 0.714286, 0.454789, 4.46007e-05, 0, 0.746032, 0.434217, 4.35382e-05, 0, 0.777778, 0.414086, 4.21753e-05, 0, 0.809524, 0.394744, 4.12093e-05, 0, 0.84127, 0.375782, 3.96634e-05, 0, 0.873016, 0.357707, 3.86419e-05, 0, 0.904762, 0.340038, 3.70345e-05, 0, 0.936508, 0.323284, 3.59725e-05, 0, 0.968254, 0.306954, 3.436e-05, 0, 1, 1, 5.99567e-14, 0, 0, 1, 6.00497e-14, 0, 0, 1, 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0.165869, 0, 0.539683, 0.933011, 0.156468, 0, 0.555556, 0.933013, 0.147719, 0, 0.571429, 0.933013, 0.139579, 0, 0.587302, 0.93301, 0.132007, 0, 0.603175, 0.933004, 0.124965, 0, 0.619048, 0.932994, 0.118416, 0, 0.634921, 0.932982, 0.112326, 0, 0.650794, 0.932968, 0.106663, 0, 0.666667, 0.93295, 0.101397, 0, 0.68254, 0.932931, 0.0964993, 0, 0.698413, 0.932908, 0.0919438, 0, 0.714286, 0.932883, 0.0877057, 0, 0.730159, 0.932856, 0.0837623, 0, 0.746032, 0.932827, 0.0800921, 0, 0.761905, 0.932796, 0.0766754, 0, 0.777778, 0.932762, 0.0734936, 0, 0.793651, 0.932727, 0.0705296, 0, 0.809524, 0.932689, 0.0677676, 0, 0.825397, 0.93265, 0.0651929, 0, 0.84127, 0.932609, 0.0627917, 0, 0.857143, 0.932565, 0.0605515, 0, 0.873016, 0.932521, 0.0584606, 0, 0.888889, 0.932474, 0.0565082, 0, 0.904762, 0.932427, 0.0546841, 0, 0.920635, 0.932377, 0.0529793, 0, 0.936508, 0.932326, 0.0513851, 0, 0.952381, 0.932274, 0.0498936, 0, 0.968254, 0.93222, 0.0484975, 0, 0.984127, 0.932164, 0.0471899, 0, 1 ]; + + // data textures + + const ltc_float_1 = new Float32Array( LTC_MAT_1 ); + const ltc_float_2 = new Float32Array( LTC_MAT_2 ); + + const LTC_FLOAT_1 = new DataTexture( ltc_float_1, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + const LTC_FLOAT_2 = new DataTexture( ltc_float_2, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + + LTC_FLOAT_1.needsUpdate = true; + LTC_FLOAT_2.needsUpdate = true; + + const ltc_half_1 = new Uint16Array( LTC_MAT_1.length ); + + LTC_MAT_1.forEach( function ( x, index ) { + + ltc_half_1[ index ] = DataUtils.toHalfFloat( x ); + + } ); + + const ltc_half_2 = new Uint16Array( LTC_MAT_2.length ); + + LTC_MAT_2.forEach( function ( x, index ) { + + ltc_half_2[ index ] = DataUtils.toHalfFloat( x ); + + } ); + + const LTC_HALF_1 = new DataTexture( ltc_half_1, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + const LTC_HALF_2 = new DataTexture( ltc_half_2, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); + + LTC_HALF_1.needsUpdate = true; + LTC_HALF_2.needsUpdate = true; + + this.LTC_HALF_1 = LTC_HALF_1; + this.LTC_HALF_1 = LTC_HALF_2; + + this.LTC_FLOAT_1 = LTC_FLOAT_1; + this.LTC_FLOAT_2 = LTC_FLOAT_2; + + return this; + + } + +} + +RectAreaLightTexturesLib.LTC_HALF_1 = null; +RectAreaLightTexturesLib.LTC_HALF_1 = null; + +RectAreaLightTexturesLib.LTC_FLOAT_1 = null; +RectAreaLightTexturesLib.LTC_FLOAT_2 = null; + +export { RectAreaLightTexturesLib }; diff --git a/examples/jsm/lights/RectAreaLightUniformsLib.js b/examples/jsm/lights/RectAreaLightUniformsLib.js index cf916b31ab251e..b0589784d8df75 100644 --- a/examples/jsm/lights/RectAreaLightUniformsLib.js +++ b/examples/jsm/lights/RectAreaLightUniformsLib.js @@ -1,76 +1,21 @@ -import { - ClampToEdgeWrapping, - DataTexture, - DataUtils, - FloatType, - HalfFloatType, - LinearFilter, - NearestFilter, - RGBAFormat, - UVMapping, - UniformsLib -} from 'three'; - -/** - * Uniforms library for RectAreaLight shared webgl shaders - * - * NOTE: This is a temporary location for the BRDF approximation texture data - * based off of Eric Heitz's work (see citation below). BRDF data for - * RectAreaLight is currently approximated using a precomputed texture - * of roughly 80kb in size. The hope is to find a better way to include - * the large texture data before including the full RectAreaLight implementation - * in the main build files. - * - * TODO: figure out a way to compress the LTC BRDF data - */ - -// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines -// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt -// code: https://github.com/selfshadow/ltc_code/ +import { UniformsLib } from 'three'; +import { RectAreaLightTexturesLib } from './RectAreaLightTexturesLib.js'; class RectAreaLightUniformsLib { static init() { - // source: https://github.com/selfshadow/ltc_code/tree/master/fit/results/ltc.js + RectAreaLightTexturesLib.init(); - const LTC_MAT_1 = [ 1, 0, 0, 2e-05, 1, 0, 0, 0.000503905, 1, 0, 0, 0.00201562, 1, 0, 0, 0.00453516, 1, 0, 0, 0.00806253, 1, 0, 0, 0.0125978, 1, 0, 0, 0.018141, 1, 0, 0, 0.0246924, 1, 0, 0, 0.0322525, 1, 0, 0, 0.0408213, 1, 0, 0, 0.0503999, 1, 0, 0, 0.0609894, 1, 0, 0, 0.0725906, 1, 0, 0, 0.0852058, 1, 0, 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0.166307, 0.369352, 0.210669, 0.252213, - 0.178051, 0.386242, 0.238895, 0.277321, - 0.189335, 0.395294, 0.269182, 0.310332, - 0.200683, 0.412148, 0.302508, 0.338809, - 0.210856, 0.418266, 0.337264, 0.372678, - 0.220655, 0.428723, 0.374881, 0.405632, - 0.230053, 0.433887, 0.415656, 0.442293, - 0.237993, 0.439911, 0.457982, 0.477256, - 0.244897, 0.440175, 0.502831, 0.515592, - 0.250657, 0.441079, 0.550277, 0.550969, - 0.255459, 0.435219, 0.601102, 0.592883, - 0.257696, 0.432882, 0.651785, 0.629092, - 0.259894, 0.421054, 0.708961, 0.672033, - 0.258592, 0.41177, 0.763806, 0.709147, - 0.256525, 0.395267, 0.824249, 0.745367, - 0.254677, 0.375013, 0.8951, 0.784715, - 0.247892, 0.353906, 0.959317, 0.818107, - 0.240162, 0.327801, 1.03153, 0.847895, - 0.229741, 0.298821, 1.10601, 0.879603, - 0.213084, 0.269115, 1.164, 0.902605, - 0.195242, 0.236606, 1.22854, 0.922788, - 0.174505, 0.203442, 1.29017, 0.944831, - 0.150169, 0.169594, 1.34157, 0.959656, - 0.124099, 0.135909, 1.3956, 0.972399, - 0.0960626, 0.0990563, 1.45128, 0.986549, - 0.0657097, 0.0602348, 1.50312, 1.00013, - 0.0333558, 0.0186694, 1.55364, 6.19747e-06, - 1e-07, 0.00778326, 7.96756e-11, 2.37499e-08, - 9.99999e-08, 2.82592e-05, 1.14596e-10, 1.00292e-06, - 1.66369e-06, 0.000250354, 6.77492e-09, 3.50752e-06, - 6.37769e-06, 0.000357289, 6.31655e-08, 8.26445e-06, - 1.74689e-05, 0.000516179, 3.1851e-07, 2.42481e-05, - 4.50868e-05, 0.0010223, 1.30577e-06, 4.55631e-05, - 8.9044e-05, 0.00144302, 3.74587e-06, 9.71222e-05, - 0.000178311, 0.00241912, 1.02584e-05, 0.000171403, - 0.000313976, 0.00354938, 2.36481e-05, 0.000292747, - 0.000520026, 0.00513765, 4.96014e-05, 0.000789827, - 0.00118187, 0.0238621, 0.000139056, 0.00114093, - 0.00171827, 0.0286691, 0.000244093, 0.00176119, - 0.00249667, 0.0368565, 0.000420623, 0.0022233, - 0.00333742, 0.0400469, 0.00065673, 0.00343382, - 0.00481976, 0.0535751, 0.00109323, 0.00427602, - 0.00600755, 0.057099, 0.00155268, 0.00461435, - 0.00737637, 0.0551084, 0.00215031, 0.00695698, - 0.00971401, 0.0715767, 0.00316529, 0.00867619, - 0.0120943, 0.0793314, 0.00436995, 0.0106694, - 0.0148202, 0.0869391, 0.0058959, 0.0140351, - 0.0183501, 0.101572, 0.00798757, 0.0168939, - 0.022006, 0.11018, 0.0104233, 0.020197, - 0.0261568, 0.119041, 0.0134167, 0.0254702, - 0.0312778, 0.135404, 0.0173009, 0.0298384, - 0.0362469, 0.1437, 0.0215428, 0.035159, - 0.042237, 0.15512, 0.0268882, 0.0427685, - 0.0488711, 0.17128, 0.033235, 0.0494848, - 0.0557997, 0.181813, 0.0404443, 0.0592394, - 0.0635578, 0.198745, 0.0490043, 0.0681463, - 0.071838, 0.210497, 0.0588239, 0.0804753, - 0.0809297, 0.228864, 0.0702835, 0.0942205, - 0.0906488, 0.247008, 0.0834012, 0.106777, - 0.100216, 0.258812, 0.0975952, 0.124471, - 0.110827, 0.278617, 0.114162, 0.138389, - 0.121193, 0.287049, 0.131983, 0.159543, - 0.13253, 0.307151, 0.152541, 0.176432, - 0.143611, 0.31564, 0.174673, 0.201723, - 0.15548, 0.33538, 0.199842, 0.229721, - 0.167166, 0.355256, 0.227097, 0.250206, - 0.178238, 0.360047, 0.256014, 0.282118, - 0.189905, 0.378761, 0.28855, 0.312821, - 0.201033, 0.39181, 0.323348, 0.341482, - 0.211584, 0.397716, 0.360564, 0.377368, - 0.221314, 0.410141, 0.400004, 0.418229, - 0.230474, 0.423485, 0.442371, 0.444881, - 0.239443, 0.418874, 0.488796, 0.488899, - 0.245987, 0.427545, 0.535012, 0.520317, - 0.253948, 0.422147, 0.589678, 0.568566, - 0.256616, 0.42719, 0.637683, 0.599607, - 0.26376, 0.415114, 0.703363, 0.64222, - 0.268687, 0.408715, 0.771363, 0.685698, - 0.2694, 0.399722, 0.83574, 0.732327, - 0.266642, 0.388651, 0.897764, 0.769873, - 0.267712, 0.369198, 0.983312, 0.806733, - 0.263479, 0.346802, 1.06222, 0.843466, - 0.254575, 0.321368, 1.13477, 0.873008, - 0.242749, 0.29211, 1.20712, 0.908438, - 0.22725, 0.262143, 1.27465, 0.936321, - 0.207621, 0.228876, 1.33203, 0.950353, - 0.187932, 0.19484, 1.40439, 0.96442, - 0.165154, 0.163178, 1.4732, 0.979856, - 0.139302, 0.127531, 1.53574, 0.982561, - 0.11134, 0.0903457, 1.59982, 0.996389, - 0.0808124, 0.0489007, 1.6577 ]; - - const LTC_MAT_2 = [ 1, 0, 0, 0, 1, 7.91421e-31, 0, 0, 1, 1.04392e-24, 0, 0, 1, 3.49405e-21, 0, 0, 1, 1.09923e-18, 0, 0, 1, 9.47414e-17, 0, 0, 1, 3.59627e-15, 0, 0, 1, 7.72053e-14, 0, 0, 1, 1.08799e-12, 0, 0, 1, 1.10655e-11, 0, 0, 1, 8.65818e-11, 0, 0, 0.999998, 5.45037e-10, 0, 0, 0.999994, 2.85095e-09, 0, 0, 0.999989, 1.26931e-08, 0, 0, 0.999973, 4.89938e-08, 0, 0, 0.999947, 1.66347e-07, 0, 0, 0.999894, 5.02694e-07, 0, 0, 0.999798, 1.36532e-06, 0, 0, 0.999617, 3.35898e-06, 0, 0, 0.999234, 7.52126e-06, 0, 0, 0.998258, 1.52586e-05, 0, 0, 0.99504, 2.66207e-05, 0, 0, 0.980816, 2.36802e-05, 0, 0, 0.967553, 2.07684e-06, 0, 0, 0.966877, 4.03733e-06, 0, 0, 0.965752, 7.41174e-06, 0, 0, 0.96382, 1.27746e-05, 0, 0, 0.960306, 2.02792e-05, 0, 0, 0.953619, 2.80232e-05, 0, 0, 0.941103, 2.78816e-05, 0, 0, 0.926619, 1.60221e-05, 0, 0, 0.920983, 2.35164e-05, 0, 0, 0.912293, 3.11924e-05, 0, 0.0158731, 0.899277, 3.48118e-05, 0, 0.0476191, 0.880884, 2.6041e-05, 0, 0.0793651, 0.870399, 3.38726e-05, 0, 0.111111, 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0.0484975, 0, 0.984127, 0.932164, 0.0471899, 0, 1 ]; + const { LTC_FLOAT_1, LTC_FLOAT_2, LTC_HALF_1, LTC_HALF_2 } = RectAreaLightTexturesLib; // data textures - const ltc_float_1 = new Float32Array( LTC_MAT_1 ); - const ltc_float_2 = new Float32Array( LTC_MAT_2 ); - - UniformsLib.LTC_FLOAT_1 = new DataTexture( ltc_float_1, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); - UniformsLib.LTC_FLOAT_2 = new DataTexture( ltc_float_2, 64, 64, RGBAFormat, FloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); - - UniformsLib.LTC_FLOAT_1.needsUpdate = true; - UniformsLib.LTC_FLOAT_2.needsUpdate = true; - - const ltc_half_1 = new Uint16Array( LTC_MAT_1.length ); - - LTC_MAT_1.forEach( function ( x, index ) { - - ltc_half_1[ index ] = DataUtils.toHalfFloat( x ); - - } ); - - const ltc_half_2 = new Uint16Array( LTC_MAT_2.length ); - - LTC_MAT_2.forEach( function ( x, index ) { - - ltc_half_2[ index ] = DataUtils.toHalfFloat( x ); - - } ); - - UniformsLib.LTC_HALF_1 = new DataTexture( ltc_half_1, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); - UniformsLib.LTC_HALF_2 = new DataTexture( ltc_half_2, 64, 64, RGBAFormat, HalfFloatType, UVMapping, ClampToEdgeWrapping, ClampToEdgeWrapping, LinearFilter, NearestFilter, 1 ); - - UniformsLib.LTC_HALF_1.needsUpdate = true; - UniformsLib.LTC_HALF_2.needsUpdate = true; + UniformsLib.LTC_FLOAT_1 = LTC_FLOAT_1; + UniformsLib.LTC_FLOAT_2 = LTC_FLOAT_2; + UniformsLib.LTC_HALF_1 = LTC_HALF_1; + UniformsLib.LTC_HALF_2 = LTC_HALF_2; } diff --git a/examples/jsm/lines/webgpu/Line2.js b/examples/jsm/lines/webgpu/Line2.js new file mode 100644 index 00000000000000..5b55dad8cd2064 --- /dev/null +++ b/examples/jsm/lines/webgpu/Line2.js @@ -0,0 +1,20 @@ +import { LineSegments2 } from './LineSegments2.js'; +import { LineGeometry } from '../LineGeometry.js'; + +import { Line2NodeMaterial } from 'three'; + +class Line2 extends LineSegments2 { + + constructor( geometry = new LineGeometry(), material = new Line2NodeMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + this.isLine2 = true; + + this.type = 'Line2'; + + } + +} + +export { Line2 }; diff --git a/examples/jsm/lines/webgpu/LineSegments2.js b/examples/jsm/lines/webgpu/LineSegments2.js new file mode 100644 index 00000000000000..afdce7dda40cff --- /dev/null +++ b/examples/jsm/lines/webgpu/LineSegments2.js @@ -0,0 +1,376 @@ +import { + Box3, + InstancedInterleavedBuffer, + InterleavedBufferAttribute, + Line3, + MathUtils, + Matrix4, + Mesh, + Sphere, + Vector3, + Vector4, + Line2NodeMaterial +} from 'three'; +import { LineSegmentsGeometry } from '../../lines/LineSegmentsGeometry.js'; + +const _viewport = new Vector4(); + +const _start = new Vector3(); +const _end = new Vector3(); + +const _start4 = new Vector4(); +const _end4 = new Vector4(); + +const _ssOrigin = new Vector4(); +const _ssOrigin3 = new Vector3(); +const _mvMatrix = new Matrix4(); +const _line = new Line3(); +const _closestPoint = new Vector3(); + +const _box = new Box3(); +const _sphere = new Sphere(); +const _clipToWorldVector = new Vector4(); + +let _ray, _lineWidth; + +// Returns the margin required to expand by in world space given the distance from the camera, +// line width, resolution, and camera projection +function getWorldSpaceHalfWidth( camera, distance, resolution ) { + + // transform into clip space, adjust the x and y values by the pixel width offset, then + // transform back into world space to get world offset. Note clip space is [-1, 1] so full + // width does not need to be halved. + _clipToWorldVector.set( 0, 0, - distance, 1.0 ).applyMatrix4( camera.projectionMatrix ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + _clipToWorldVector.x = _lineWidth / resolution.width; + _clipToWorldVector.y = _lineWidth / resolution.height; + _clipToWorldVector.applyMatrix4( camera.projectionMatrixInverse ); + _clipToWorldVector.multiplyScalar( 1.0 / _clipToWorldVector.w ); + + return Math.abs( Math.max( _clipToWorldVector.x, _clipToWorldVector.y ) ); + +} + +function raycastWorldUnits( lineSegments, intersects ) { + + const matrixWorld = lineSegments.matrixWorld; + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + const isInside = point.distanceTo( pointOnLine ) < _lineWidth * 0.5; + + if ( isInside ) { + + intersects.push( { + point, + pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +function raycastScreenSpace( lineSegments, camera, intersects ) { + + const projectionMatrix = camera.projectionMatrix; + const material = lineSegments.material; + const resolution = material.resolution; + const matrixWorld = lineSegments.matrixWorld; + + const geometry = lineSegments.geometry; + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const segmentCount = Math.min( geometry.instanceCount, instanceStart.count ); + + const near = - camera.near; + + // + + // pick a point 1 unit out along the ray to avoid the ray origin + // sitting at the camera origin which will cause "w" to be 0 when + // applying the projection matrix. + _ray.at( 1, _ssOrigin ); + + // ndc space [ - 1.0, 1.0 ] + _ssOrigin.w = 1; + _ssOrigin.applyMatrix4( camera.matrixWorldInverse ); + _ssOrigin.applyMatrix4( projectionMatrix ); + _ssOrigin.multiplyScalar( 1 / _ssOrigin.w ); + + // screen space + _ssOrigin.x *= resolution.x / 2; + _ssOrigin.y *= resolution.y / 2; + _ssOrigin.z = 0; + + _ssOrigin3.copy( _ssOrigin ); + + _mvMatrix.multiplyMatrices( camera.matrixWorldInverse, matrixWorld ); + + for ( let i = 0, l = segmentCount; i < l; i ++ ) { + + _start4.fromBufferAttribute( instanceStart, i ); + _end4.fromBufferAttribute( instanceEnd, i ); + + _start4.w = 1; + _end4.w = 1; + + // camera space + _start4.applyMatrix4( _mvMatrix ); + _end4.applyMatrix4( _mvMatrix ); + + // skip the segment if it's entirely behind the camera + const isBehindCameraNear = _start4.z > near && _end4.z > near; + if ( isBehindCameraNear ) { + + continue; + + } + + // trim the segment if it extends behind camera near + if ( _start4.z > near ) { + + const deltaDist = _start4.z - _end4.z; + const t = ( _start4.z - near ) / deltaDist; + _start4.lerp( _end4, t ); + + } else if ( _end4.z > near ) { + + const deltaDist = _end4.z - _start4.z; + const t = ( _end4.z - near ) / deltaDist; + _end4.lerp( _start4, t ); + + } + + // clip space + _start4.applyMatrix4( projectionMatrix ); + _end4.applyMatrix4( projectionMatrix ); + + // ndc space [ - 1.0, 1.0 ] + _start4.multiplyScalar( 1 / _start4.w ); + _end4.multiplyScalar( 1 / _end4.w ); + + // screen space + _start4.x *= resolution.x / 2; + _start4.y *= resolution.y / 2; + + _end4.x *= resolution.x / 2; + _end4.y *= resolution.y / 2; + + // create 2d segment + _line.start.copy( _start4 ); + _line.start.z = 0; + + _line.end.copy( _end4 ); + _line.end.z = 0; + + // get closest point on ray to segment + const param = _line.closestPointToPointParameter( _ssOrigin3, true ); + _line.at( param, _closestPoint ); + + // check if the intersection point is within clip space + const zPos = MathUtils.lerp( _start4.z, _end4.z, param ); + const isInClipSpace = zPos >= - 1 && zPos <= 1; + + const isInside = _ssOrigin3.distanceTo( _closestPoint ) < _lineWidth * 0.5; + + if ( isInClipSpace && isInside ) { + + _line.start.fromBufferAttribute( instanceStart, i ); + _line.end.fromBufferAttribute( instanceEnd, i ); + + _line.start.applyMatrix4( matrixWorld ); + _line.end.applyMatrix4( matrixWorld ); + + const pointOnLine = new Vector3(); + const point = new Vector3(); + + _ray.distanceSqToSegment( _line.start, _line.end, point, pointOnLine ); + + intersects.push( { + point: point, + pointOnLine: pointOnLine, + distance: _ray.origin.distanceTo( point ), + object: lineSegments, + face: null, + faceIndex: i, + uv: null, + uv1: null, + } ); + + } + + } + +} + +class LineSegments2 extends Mesh { + + constructor( geometry = new LineSegmentsGeometry(), material = new Line2NodeMaterial( { color: Math.random() * 0xffffff } ) ) { + + super( geometry, material ); + + this.isLineSegments2 = true; + + this.type = 'LineSegments2'; + + } + + // for backwards-compatibility, but could be a method of LineSegmentsGeometry... + + computeLineDistances() { + + const geometry = this.geometry; + + const instanceStart = geometry.attributes.instanceStart; + const instanceEnd = geometry.attributes.instanceEnd; + const lineDistances = new Float32Array( 2 * instanceStart.count ); + + for ( let i = 0, j = 0, l = instanceStart.count; i < l; i ++, j += 2 ) { + + _start.fromBufferAttribute( instanceStart, i ); + _end.fromBufferAttribute( instanceEnd, i ); + + lineDistances[ j ] = ( j === 0 ) ? 0 : lineDistances[ j - 1 ]; + lineDistances[ j + 1 ] = lineDistances[ j ] + _start.distanceTo( _end ); + + } + + const instanceDistanceBuffer = new InstancedInterleavedBuffer( lineDistances, 2, 1 ); // d0, d1 + + geometry.setAttribute( 'instanceDistanceStart', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 0 ) ); // d0 + geometry.setAttribute( 'instanceDistanceEnd', new InterleavedBufferAttribute( instanceDistanceBuffer, 1, 1 ) ); // d1 + + return this; + + } + + raycast( raycaster, intersects ) { + + const worldUnits = this.material.worldUnits; + const camera = raycaster.camera; + + if ( camera === null && ! worldUnits ) { + + console.error( 'LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.' ); + + } + + const threshold = ( raycaster.params.Line2 !== undefined ) ? raycaster.params.Line2.threshold || 0 : 0; + + _ray = raycaster.ray; + + const matrixWorld = this.matrixWorld; + const geometry = this.geometry; + const material = this.material; + + _lineWidth = material.linewidth + threshold; + + // check if we intersect the sphere bounds + if ( geometry.boundingSphere === null ) { + + geometry.computeBoundingSphere(); + + } + + _sphere.copy( geometry.boundingSphere ).applyMatrix4( matrixWorld ); + + // increase the sphere bounds by the worst case line screen space width + let sphereMargin; + if ( worldUnits ) { + + sphereMargin = _lineWidth * 0.5; + + } else { + + const distanceToSphere = Math.max( camera.near, _sphere.distanceToPoint( _ray.origin ) ); + sphereMargin = getWorldSpaceHalfWidth( camera, distanceToSphere, material.resolution ); + + } + + _sphere.radius += sphereMargin; + + if ( _ray.intersectsSphere( _sphere ) === false ) { + + return; + + } + + // check if we intersect the box bounds + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box.copy( geometry.boundingBox ).applyMatrix4( matrixWorld ); + + // increase the box bounds by the worst case line width + let boxMargin; + if ( worldUnits ) { + + boxMargin = _lineWidth * 0.5; + + } else { + + const distanceToBox = Math.max( camera.near, _box.distanceToPoint( _ray.origin ) ); + boxMargin = getWorldSpaceHalfWidth( camera, distanceToBox, material.resolution ); + + } + + _box.expandByScalar( boxMargin ); + + if ( _ray.intersectsBox( _box ) === false ) { + + return; + + } + + if ( worldUnits ) { + + raycastWorldUnits( this, intersects ); + + } else { + + raycastScreenSpace( this, camera, intersects ); + + } + + } + + onBeforeRender( renderer ) { + + const uniforms = this.material.uniforms; + + if ( uniforms && uniforms.resolution ) { + + renderer.getViewport( _viewport ); + this.material.uniforms.resolution.value.set( _viewport.z, _viewport.w ); + + } + + } + +} + +export { LineSegments2 }; diff --git a/examples/jsm/loaders/MaterialXLoader.js b/examples/jsm/loaders/MaterialXLoader.js index 3536d497ffd433..52eab8e7a1d1b1 100644 --- a/examples/jsm/loaders/MaterialXLoader.js +++ b/examples/jsm/loaders/MaterialXLoader.js @@ -1,12 +1,5 @@ import { - FileLoader, - Loader, - TextureLoader, - RepeatWrapping -} from 'three'; - -import { - MeshBasicNodeMaterial, MeshPhysicalNodeMaterial, + FileLoader, Loader, TextureLoader, MeshBasicNodeMaterial, MeshPhysicalNodeMaterial, RepeatWrapping, float, bool, int, vec2, vec3, vec4, color, texture, positionLocal, positionWorld, uv, vertexColor, normalLocal, normalWorld, tangentLocal, tangentWorld, @@ -20,7 +13,7 @@ import { mx_safepower, mx_contrast, mx_srgb_texture_to_lin_rec709, saturation -} from '../nodes/Nodes.js'; +} from 'three'; const colorSpaceLib = { mx_srgb_texture_to_lin_rec709 diff --git a/examples/jsm/objects/InstancedPoints.js b/examples/jsm/objects/InstancedPoints.js index 6b736295348583..7e67337a80618d 100644 --- a/examples/jsm/objects/InstancedPoints.js +++ b/examples/jsm/objects/InstancedPoints.js @@ -1,8 +1,8 @@ import { - Mesh + Mesh, + InstancedPointsNodeMaterial } from 'three'; import InstancedPointsGeometry from '../geometries/InstancedPointsGeometry.js'; -import InstancedPointsNodeMaterial from '../nodes/materials/InstancedPointsNodeMaterial.js'; class InstancedPoints extends Mesh { diff --git a/examples/jsm/transpiler/TSLEncoder.js b/examples/jsm/transpiler/TSLEncoder.js index 5c44bf0689437c..d88d431cf1d9f4 100644 --- a/examples/jsm/transpiler/TSLEncoder.js +++ b/examples/jsm/transpiler/TSLEncoder.js @@ -1,6 +1,6 @@ -import { REVISION } from 'three'; +import * as THREE from 'three'; + import { VariableDeclaration, Accessor } from './AST.js'; -import * as Nodes from '../nodes/Nodes.js'; const opLib = { '=': 'assign', @@ -68,7 +68,7 @@ class TSLEncoder { name = name.split( '.' )[ 0 ]; - if ( Nodes[ name ] !== undefined && this.global.has( name ) === false && this._currentProperties[ name ] === undefined ) { + if ( THREE[ name ] !== undefined && this.global.has( name ) === false && this._currentProperties[ name ] === undefined ) { this.imports.add( name ); @@ -685,7 +685,7 @@ ${ this.tab }} )`; const imports = [ ...this.imports ]; - let header = '// Three.js Transpiler r' + REVISION + '\n\n'; + let header = '// Three.js Transpiler r' + THREE.REVISION + '\n\n'; let footer = ''; if ( this.iife ) { diff --git a/examples/webgpu_backdrop.html b/examples/webgpu_backdrop.html index ec9c4ce0537e03..d5617289e165af 100644 --- a/examples/webgpu_backdrop.html +++ b/examples/webgpu_backdrop.html @@ -15,9 +15,9 @@ @@ -25,15 +25,10 @@ @@ -25,17 +25,12 @@ @@ -25,16 +25,10 @@ @@ -23,12 +23,6 @@ @@ -29,13 +29,10 @@ @@ -25,16 +25,12 @@ @@ -37,12 +37,7 @@ @@ -24,14 +24,10 @@ @@ -24,16 +24,10 @@ @@ -24,11 +24,9 @@ @@ -24,11 +24,9 @@ @@ -27,12 +27,7 @@ @@ -27,12 +27,7 @@ @@ -24,12 +24,7 @@ @@ -35,11 +35,7 @@ @@ -24,14 +24,7 @@ @@ -25,13 +25,9 @@ @@ -25,15 +25,11 @@ @@ -26,11 +26,7 @@ @@ -25,12 +25,7 @@ @@ -25,9 +25,6 @@ import Stats from 'three/addons/libs/stats.module.js'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - import { MeshStandardNodeMaterial } from 'three/nodes'; - let camera, scene, renderer, stats, mesh, mixer, dummy; const offset = 5000; @@ -101,7 +98,7 @@ dummy = glb.scene.children[ 0 ]; - mesh = new THREE.InstancedMesh( dummy.geometry, new MeshStandardNodeMaterial( { + mesh = new THREE.InstancedMesh( dummy.geometry, new THREE.MeshStandardNodeMaterial( { flatShading: true, } ), 1024 ); @@ -139,8 +136,7 @@ // renderer - renderer = new WebGPURenderer( { antialias: true } ); - + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setAnimationLoop( animate ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); diff --git a/examples/webgpu_lights_custom.html b/examples/webgpu_lights_custom.html index b44718e5994ad6..2f0a22aa4de897 100644 --- a/examples/webgpu_lights_custom.html +++ b/examples/webgpu_lights_custom.html @@ -1,6 +1,6 @@ - three.js - WebGPU - Custom Lighting Model + three.js webgpu - custom lighting model @@ -8,15 +8,15 @@
- three.js WebGPU - Custom Lighting Model + three.js webgpu - custom lighting model
@@ -24,16 +24,11 @@ @@ -26,14 +26,7 @@ import * as THREE from 'three'; - import WebGPU from 'three/addons/capabilities/WebGPU.js'; - import WebGL from 'three/addons/capabilities/WebGL.js'; - - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - - import IESSpotLight from 'three/addons/lights/IESSpotLight.js'; - - import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; + import { OrbitControls } from './jsm/controls/OrbitControls.js'; import { IESLoader } from 'three/addons/loaders/IESLoader.js'; @@ -42,20 +35,6 @@ async function init() { - if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) { - - document.body.appendChild( WebGPU.getErrorMessage() ); - - throw new Error( 'No WebGPU or WebGL2 support' ); - - } - - // - - scene = new THREE.Scene(); - - // - const iesLoader = new IESLoader().setPath( './ies/' ); //iesLoader.type = THREE.UnsignedByteType; // LDR @@ -68,7 +47,11 @@ // - const spotLight = new IESSpotLight( 0xff0000, 500 ); + scene = new THREE.Scene(); + + // + + const spotLight = new THREE.IESSpotLight( 0xff0000, 500 ); spotLight.position.set( 6.5, 1.5, 6.5 ); spotLight.angle = Math.PI / 8; spotLight.penumbra = 0.7; @@ -78,7 +61,7 @@ // - const spotLight2 = new IESSpotLight( 0x00ff00, 500 ); + const spotLight2 = new THREE.IESSpotLight( 0x00ff00, 500 ); spotLight2.position.set( 6.5, 1.5, - 6.5 ); spotLight2.angle = Math.PI / 8; spotLight2.penumbra = 0.7; @@ -88,7 +71,7 @@ // - const spotLight3 = new IESSpotLight( 0x0000ff, 500 ); + const spotLight3 = new THREE.IESSpotLight( 0x0000ff, 500 ); spotLight3.position.set( - 6.5, 1.5, - 6.5 ); spotLight3.angle = Math.PI / 8; spotLight3.penumbra = 0.7; @@ -98,7 +81,7 @@ // - const spotLight4 = new IESSpotLight( 0xffffff, 500 ); + const spotLight4 = new THREE.IESSpotLight( 0xffffff, 500 ); spotLight4.position.set( - 6.5, 1.5, 6.5 ); spotLight4.angle = Math.PI / 8; spotLight4.penumbra = 0.7; @@ -122,7 +105,7 @@ // - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.setAnimationLoop( render ); diff --git a/examples/webgpu_lights_phong.html b/examples/webgpu_lights_phong.html index 8aec628cd462d5..d64e26588f7357 100644 --- a/examples/webgpu_lights_phong.html +++ b/examples/webgpu_lights_phong.html @@ -1,7 +1,7 @@ - three.js - WebGPU - Lights Phong + three.js webgpu - phong lighting model @@ -9,16 +9,16 @@
- three.js - WebGPU - Phong Model Lighting
+ three.js webgpu - phong lighting model
Left: Red lights - Center: All lights - Right: blue light
@@ -26,18 +26,13 @@ @@ -31,9 +31,7 @@ import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; import { RectAreaLightHelper } from 'three/addons/helpers/RectAreaLightHelper.js'; - import { RectAreaLightUniformsLib } from 'three/addons/lights/RectAreaLightUniformsLib.js'; - - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; + import { RectAreaLightTexturesLib } from 'three/addons/lights/RectAreaLightTexturesLib.js'; let renderer, scene, camera; let stats, meshKnot; @@ -42,9 +40,9 @@ function init() { - RectAreaLightUniformsLib.init(); + THREE.RectAreaLightNode.setLTC( RectAreaLightTexturesLib.init() ); - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.setAnimationLoop( animation ); diff --git a/examples/webgpu_lights_selective.html b/examples/webgpu_lights_selective.html index 28375a1dfdc929..083f02de70c665 100644 --- a/examples/webgpu_lights_selective.html +++ b/examples/webgpu_lights_selective.html @@ -1,7 +1,7 @@ - three.js - WebGPU - Selective Lights + three.js webgpu - selective lights @@ -9,16 +9,16 @@
- three.js - WebGPU - Selective Lights
+ three.js webgpu - selective lights
Left: Red lights - Center: All lights - Right: blue light
@@ -26,7 +26,7 @@ @@ -26,18 +26,13 @@ @@ -31,12 +31,12 @@ import * as THREE from 'three'; - import { MaterialXLoader } from 'three/addons/loaders/MaterialXLoader.js'; - import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; - import { RGBELoader } from 'three/addons/loaders/RGBELoader.js'; - import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'; + import { OrbitControls } from './jsm/controls/OrbitControls.js'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; + import { RGBELoader } from './jsm/loaders/RGBELoader.js'; + import { GLTFLoader } from './jsm/loaders/GLTFLoader.js'; + + import { MaterialXLoader } from './jsm/loaders/MaterialXLoader.js'; const SAMPLE_PATH = 'https://raw.githubusercontent.com/materialx/MaterialX/main/resources/Materials/Examples/StandardSurface/'; @@ -79,7 +79,7 @@ scene = new THREE.Scene(); - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.toneMapping = THREE.LinearToneMapping; diff --git a/examples/webgpu_materials.html b/examples/webgpu_materials.html index 99436af0a0c2e8..42a364a029d699 100644 --- a/examples/webgpu_materials.html +++ b/examples/webgpu_materials.html @@ -1,7 +1,7 @@ - three.js - WebGPU - Materials + three.js webgpu - materials @@ -9,15 +9,15 @@
- three.js WebGPU - Materials + three.js webgpu - materials
@@ -25,12 +25,7 @@ @@ -30,14 +30,10 @@ import Stats from 'three/addons/libs/stats.module.js'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - import { GUI } from 'three/addons/libs/lil-gui.module.min.js'; - import { OrbitControls } from 'three/addons/controls/OrbitControls.js' + import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; import { OBJLoader } from 'three/addons/loaders/OBJLoader.js'; - import { MeshStandardNodeMaterial } from 'three/nodes'; - let stats; let camera, scene, renderer, controls; @@ -116,7 +112,7 @@ const container = document.createElement( 'div' ); document.body.appendChild( container ); - renderer = new WebGPURenderer(); + renderer = new THREE.WebGPURenderer(); renderer.setAnimationLoop( animate ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); @@ -173,7 +169,7 @@ // material - material = new MeshStandardNodeMaterial( { + material = new THREE.MeshStandardNodeMaterial( { color: 0xc1c1c1, roughness: settings.roughness, diff --git a/examples/webgpu_materials_lightmap.html b/examples/webgpu_materials_lightmap.html index 5aa1ce3c1746e4..1fd056849d9a8a 100644 --- a/examples/webgpu_materials_lightmap.html +++ b/examples/webgpu_materials_lightmap.html @@ -1,7 +1,7 @@ - three.js webgl - materials - lightmap + three.js webgpu - lightmap @@ -11,9 +11,9 @@ @@ -21,15 +21,12 @@ @@ -27,15 +27,11 @@ import * as THREE from 'three'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - import { GUI } from 'three/addons/libs/lil-gui.module.min.js'; import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'; import { EXRLoader } from 'three/addons/loaders/EXRLoader.js'; - import { MeshMatcapNodeMaterial } from 'three/nodes'; - let mesh, renderer, scene, camera; const API = { @@ -48,7 +44,7 @@ function init() { // renderer - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); document.body.appendChild( renderer.domElement ); @@ -88,7 +84,7 @@ mesh = gltf.scene.children[ 0 ]; mesh.position.y = - 0.25; - mesh.material = new MeshMatcapNodeMaterial( { + mesh.material = new THREE.MeshMatcapNodeMaterial( { color: new THREE.Color().setHex( API.color ).convertSRGBToLinear(), matcap: matcap, diff --git a/examples/webgpu_materials_sss.html b/examples/webgpu_materials_sss.html index 55625eb59ab813..d6a3e4130f58fc 100644 --- a/examples/webgpu_materials_sss.html +++ b/examples/webgpu_materials_sss.html @@ -9,7 +9,7 @@
-
three.js +
three.js webgpu - sss
Fast subsurface scattering
[Thanks for the art support from Shaochun Lin]
@@ -17,9 +17,9 @@ @@ -27,9 +27,6 @@ @@ -25,13 +25,6 @@ import * as THREE from 'three'; - import { MeshBasicNodeMaterial, MeshToonNodeMaterial } from 'three/nodes'; - - import WebGPU from 'three/addons/capabilities/WebGPU.js'; - import WebGL from 'three/addons/capabilities/WebGL.js'; - - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - import Stats from 'three/addons/libs/stats.module.js'; import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; @@ -52,14 +45,6 @@ function init( font ) { - if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) { - - document.body.appendChild( WebGPU.getErrorMessage() ); - - throw new Error( 'No WebGPU or WebGL2 support' ); - - } - container = document.createElement( 'div' ); document.body.appendChild( container ); @@ -73,7 +58,7 @@ // - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.setAnimationLoop( render ); @@ -108,7 +93,7 @@ // basic monochromatic energy preservation const diffuseColor = new THREE.Color().setHSL( alpha, 0.5, gamma * 0.5 + 0.1 ).multiplyScalar( 1 - beta * 0.2 ); - const material = new MeshToonNodeMaterial( { + const material = new THREE.MeshToonNodeMaterial( { color: diffuseColor, gradientMap: gradientMap } ); @@ -139,7 +124,7 @@ } ); - const textMaterial = new MeshBasicNodeMaterial(); + const textMaterial = new THREE.MeshBasicNodeMaterial(); const textMesh = new THREE.Mesh( textGeo, textMaterial ); textMesh.position.copy( location ); scene.add( textMesh ); @@ -154,7 +139,7 @@ particleLight = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), - new MeshBasicNodeMaterial( { color: 0xffffff } ) + new THREE.MeshBasicNodeMaterial( { color: 0xffffff } ) ); scene.add( particleLight ); diff --git a/examples/webgpu_materials_transmission.html b/examples/webgpu_materials_transmission.html index 3c75b1309f38b3..73ad95c1a9c6cc 100644 --- a/examples/webgpu_materials_transmission.html +++ b/examples/webgpu_materials_transmission.html @@ -1,7 +1,7 @@ - threejs webgpu - materials - transmission + threejs webgpu - transmission @@ -14,7 +14,8 @@ @@ -37,8 +37,6 @@ import * as THREE from 'three'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; - let container; let camera, scene, renderer; @@ -83,7 +81,7 @@ light.position.set( 0.5, 1, 1 ).normalize(); scene.add( light ); - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.setAnimationLoop( render ); @@ -253,7 +251,6 @@ } - diff --git a/examples/webgpu_materialx_noise.html b/examples/webgpu_materialx_noise.html index f4da2aa96af504..528daa4ff2aff1 100644 --- a/examples/webgpu_materialx_noise.html +++ b/examples/webgpu_materialx_noise.html @@ -1,22 +1,22 @@ - three.js webgpu - materials - materialx nodes + three.js webgpu - materialx noise
- three.js webgpu - MaterialX - Noise + three.js webgpu - materialx noise
@@ -24,18 +24,13 @@ @@ -25,9 +25,7 @@ @@ -29,12 +29,8 @@ import * as THREE from 'three'; import { GUI } from 'three/addons/libs/lil-gui.module.min.js'; - import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; - - import WebGPU from 'three/addons/capabilities/WebGPU.js'; - import WebGL from 'three/addons/capabilities/WebGL.js'; - import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js'; + import { OrbitControls } from 'three/addons/controls/OrbitControls.js'; let container, camera, scene, renderer, mesh; @@ -42,14 +38,6 @@ function init() { - if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) { - - document.body.appendChild( WebGPU.getErrorMessage() ); - - throw new Error( 'No WebGPU or WebGL2 support' ); - - } - container = document.getElementById( 'container' ); scene = new THREE.Scene(); @@ -76,7 +64,7 @@ initGUI(); - renderer = new WebGPURenderer( { antialias: true } ); + renderer = new THREE.WebGPURenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); renderer.setAnimationLoop( function () { diff --git a/examples/webgpu_morphtargets_face.html b/examples/webgpu_morphtargets_face.html index 8575eb2edb2c33..045c8f9de583c1 100644 --- a/examples/webgpu_morphtargets_face.html +++ b/examples/webgpu_morphtargets_face.html @@ -1,7 +1,7 @@ - three.js webgpu - morph targets - face + three.js webgpu - morph face targets @@ -14,14 +14,15 @@
- three.js webgpu - morph targets - face
+ three.js webgpu - morph face targets
model by Face Cap
@@ -24,18 +25,11 @@ @@ -24,17 +25,11 @@ @@ -24,17 +24,10 @@ @@ -26,24 +26,19 @@ @@ -27,9 +27,7 @@ @@ -24,15 +24,10 @@ @@ -21,10 +21,7 @@ @@ -21,10 +21,7 @@ @@ -21,12 +21,7 @@ @@ -25,12 +25,10 @@ @@ -20,10 +20,7 @@ @@ -20,13 +20,10 @@ @@ -27,14 +27,7 @@ @@ -20,13 +20,10 @@ @@ -20,13 +20,10 @@ @@ -25,16 +25,10 @@ @@ -24,14 +24,7 @@ @@ -24,13 +25,10 @@ @@ -24,14 +24,10 @@ @@ -25,15 +25,10 @@ @@ -25,16 +25,10 @@ diff --git a/examples/webgpu_skinning_points.html b/examples/webgpu_skinning_points.html index 0c226d269d4d38..349628f97488e4 100644 --- a/examples/webgpu_skinning_points.html +++ b/examples/webgpu_skinning_points.html @@ -1,7 +1,7 @@ - three.js - WebGPU - Skinning Points + three.js webgpu - skinning points @@ -9,15 +9,15 @@
- three.js WebGPU - Skinning Points + three.js webgpu - skinning points
@@ -25,15 +25,10 @@ @@ -24,12 +24,7 @@ @@ -52,10 +52,7 @@ @@ -27,10 +27,7 @@ @@ -28,24 +28,11 @@ @@ -26,7 +26,6 @@ @@ -51,14 +51,10 @@ @@ -28,11 +28,9 @@ diff --git a/examples/webgpu_video_panorama.html b/examples/webgpu_video_panorama.html index acaadcd76b3529..9b25f17386d176 100644 --- a/examples/webgpu_video_panorama.html +++ b/examples/webgpu_video_panorama.html @@ -26,7 +26,8 @@ @@ -25,9 +25,7 @@ + + + + diff --git a/src/nodes/Nodes.js b/src/nodes/Nodes.js index 013cf3c073afb5..1b1fdd2230c978 100644 --- a/src/nodes/Nodes.js +++ b/src/nodes/Nodes.js @@ -70,6 +70,7 @@ export { default as StorageArrayElementNode } from './utils/StorageArrayElementN export { default as TimerNode, timerLocal, timerGlobal, timerDelta, frameId } from './utils/TimerNode.js'; export { default as TriplanarTexturesNode, triplanarTextures, triplanarTexture } from './utils/TriplanarTexturesNode.js'; export { default as ReflectorNode, reflector } from './utils/ReflectorNode.js'; +export { default as RTTNode, rtt } from './utils/RTTNode.js'; // shadernode export * from './shadernode/ShaderNode.js'; diff --git a/src/nodes/accessors/TextureNode.js b/src/nodes/accessors/TextureNode.js index cea21bc9335402..d0e3ad2371ef79 100644 --- a/src/nodes/accessors/TextureNode.js +++ b/src/nodes/accessors/TextureNode.js @@ -132,6 +132,7 @@ class TextureNode extends UniformNode { setup( builder ) { const properties = builder.getNodeProperties( this ); + properties.referenceNode = this.referenceNode; // diff --git a/src/nodes/display/AnamorphicNode.js b/src/nodes/display/AnamorphicNode.js index 2a59a4672058ac..333a6ff254f8dc 100644 --- a/src/nodes/display/AnamorphicNode.js +++ b/src/nodes/display/AnamorphicNode.js @@ -99,7 +99,7 @@ class AnamorphicNode extends TempNode { const uvNode = textureNode.uvNode || uv(); - const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const anamorph = tslFn( () => { @@ -142,7 +142,7 @@ class AnamorphicNode extends TempNode { } -export const anamorphic = ( node, threshold = .9, scale = 3, samples = 32 ) => nodeObject( new AnamorphicNode( nodeObject( node ), nodeObject( threshold ), nodeObject( scale ), samples ) ); +export const anamorphic = ( node, threshold = .9, scale = 3, samples = 32 ) => nodeObject( new AnamorphicNode( nodeObject( node ).toTexture(), nodeObject( threshold ), nodeObject( scale ), samples ) ); addNodeElement( 'anamorphic', anamorphic ); diff --git a/src/nodes/display/GaussianBlurNode.js b/src/nodes/display/GaussianBlurNode.js index 9cef10e605746c..cd4f28e69c0016 100644 --- a/src/nodes/display/GaussianBlurNode.js +++ b/src/nodes/display/GaussianBlurNode.js @@ -18,15 +18,14 @@ const quadMesh2 = new QuadMesh(); class GaussianBlurNode extends TempNode { - constructor( textureNode, sigma = 2 ) { + constructor( textureNode, directionNode = null, sigma = 2 ) { super( 'vec4' ); this.textureNode = textureNode; + this.directionNode = directionNode; this.sigma = sigma; - this.directionNode = vec2( 1 ); - this._invSize = uniform( new Vector2() ); this._passDirection = uniform( new Vector2() ); @@ -119,8 +118,9 @@ class GaussianBlurNode extends TempNode { // const uvNode = textureNode.uvNode || uv(); + const directionNode = vec2( this.directionNode || 1 ); - const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const blur = tslFn( () => { @@ -128,7 +128,7 @@ class GaussianBlurNode extends TempNode { const gaussianCoefficients = this._getCoefficients( kernelSize ); const invSize = this._invSize; - const direction = vec2( this.directionNode ).mul( this._passDirection ); + const direction = directionNode.mul( this._passDirection ); const weightSum = float( gaussianCoefficients[ 0 ] ).toVar(); const diffuseSum = vec4( sampleTexture( uvNode ).mul( weightSum ) ).toVar(); @@ -184,7 +184,7 @@ class GaussianBlurNode extends TempNode { } -export const gaussianBlur = ( node, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ), sigma ) ); +export const gaussianBlur = ( node, directionNode, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ), directionNode, sigma ) ); addNodeElement( 'gaussianBlur', gaussianBlur ); diff --git a/src/nodes/display/RGBShiftNode.js b/src/nodes/display/RGBShiftNode.js index f8d33b79b0ec4e..e262a942567a92 100644 --- a/src/nodes/display/RGBShiftNode.js +++ b/src/nodes/display/RGBShiftNode.js @@ -41,7 +41,7 @@ class RGBShiftNode extends TempNode { } -export const rgbShift = ( node, amount, angle ) => nodeObject( new RGBShiftNode( nodeObject( node ), amount, angle ) ); +export const rgbShift = ( node, amount, angle ) => nodeObject( new RGBShiftNode( nodeObject( node ).toTexture(), amount, angle ) ); addNodeElement( 'rgbShift', rgbShift ); diff --git a/src/nodes/utils/RTTNode.js b/src/nodes/utils/RTTNode.js new file mode 100644 index 00000000000000..d2e43fa49a7b0a --- /dev/null +++ b/src/nodes/utils/RTTNode.js @@ -0,0 +1,106 @@ +import { nodeObject, addNodeElement } from '../shadernode/ShaderNode.js'; +import TextureNode from '../accessors/TextureNode.js'; +import { NodeUpdateType } from '../core/constants.js'; +import { addNodeClass } from '../core/Node.js'; +import NodeMaterial from '../materials/NodeMaterial.js'; +import { uv } from '../accessors/UVNode.js'; +import QuadMesh from '../../renderers/common/QuadMesh.js'; + +import { RenderTarget } from '../../core/RenderTarget.js'; +import { Vector2 } from '../../math/Vector2.js'; +import { HalfFloatType } from '../../constants.js'; + +const _quadMesh = new QuadMesh( new NodeMaterial() ); +const _size = new Vector2(); + +class RTTNode extends TextureNode { + + constructor( node, width = null, height = null, options = { type: HalfFloatType } ) { + + const renderTarget = new RenderTarget( width, height, options ); + + super( renderTarget.texture, uv() ); + + this.node = node; + this.width = width; + this.height = height; + + this.renderTarget = renderTarget; + + this.textureNeedsUpdate = true; + this.autoUpdate = true; + + this.updateMap = new WeakMap(); + + this.updateBeforeType = NodeUpdateType.RENDER; + + } + + get autoSize() { + + return this.width === null; + + } + + setSize( width, height ) { + + this.width = width; + this.height = height; + + this.renderTarget.setSize( width, height ); + + this.textureNeedsUpdate = true; + + } + + updateBefore( { renderer } ) { + + if ( this.textureNeedsUpdate === false && this.autoUpdate === false ) return; + + this.textureNeedsUpdate = false; + + // + + if ( this.autoSize === true ) { + + const size = renderer.getSize( _size ); + + this.setSize( size.width, size.height ); + + } + + // + + _quadMesh.material.fragmentNode = this.node; + + // + + const currentRenderTarget = renderer.getRenderTarget(); + + renderer.setRenderTarget( this.renderTarget ); + + _quadMesh.render( renderer ); + + renderer.setRenderTarget( currentRenderTarget ); + + } + + clone() { + + const newNode = new TextureNode( this.value, this.uvNode, this.levelNode ); + newNode.sampler = this.sampler; + newNode.referenceNode = this; + + return newNode; + + } + +} + +export default RTTNode; + +export const rtt = ( node, ...params ) => nodeObject( new RTTNode( nodeObject( node ), ...params ) ); + +addNodeElement( 'toTexture', ( node, ...params ) => node.isTextureNode ? node : rtt( node, ...params ) ); + +addNodeClass( 'RTTNode', RTTNode ); From 961d227da364f28eaabbe540449ab77b8e5af774 Mon Sep 17 00:00:00 2001 From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com> Date: Mon, 1 Jul 2024 11:18:10 +0200 Subject: [PATCH 39/48] Update dependency pixelmatch to v6 (#28771) Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> --- package-lock.json | 21 ++++++++++++++++----- package.json | 2 +- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/package-lock.json b/package-lock.json index f40a9595528dc6..685efe8a60473f 100644 --- a/package-lock.json +++ b/package-lock.json @@ -22,7 +22,7 @@ "failonlyreporter": "^1.0.0", "jimp": "^0.22.7", "magic-string": "^0.30.0", - "pixelmatch": "^5.3.0", + "pixelmatch": "^6.0.0", "puppeteer": "^22.0.0", "qunit": "^2.19.4", "rollup": "^4.6.0", @@ -6972,17 +6972,28 @@ } }, "node_modules/pixelmatch": { - "version": "5.3.0", - "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-5.3.0.tgz", - "integrity": "sha512-o8mkY4E/+LNUf6LzX96ht6k6CEDi65k9G2rjMtBe9Oo+VPKSvl+0GKHuH/AlG+GA5LPG/i5hrekkxUc3s2HU+Q==", + "version": "6.0.0", + "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-6.0.0.tgz", + "integrity": "sha512-FYpL4XiIWakTnIqLqvt3uN4L9B3TsuHIvhLILzTiJZMJUsGvmKNeL4H3b6I99LRyerK9W4IuOXw+N28AtRgK2g==", "dev": true, + "license": "ISC", "dependencies": { - "pngjs": "^6.0.0" + "pngjs": "^7.0.0" }, "bin": { "pixelmatch": "bin/pixelmatch" } }, + "node_modules/pixelmatch/node_modules/pngjs": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-7.0.0.tgz", + "integrity": "sha512-LKWqWJRhstyYo9pGvgor/ivk2w94eSjE3RGVuzLGlr3NmD8bf7RcYGze1mNdEHRP6TRP6rMuDHk5t44hnTRyow==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=14.19.0" + } + }, "node_modules/pngjs": { "version": "6.0.0", "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-6.0.0.tgz", diff --git a/package.json b/package.json index e482c495b6515c..4e72c30ff176d0 100644 --- a/package.json +++ b/package.json @@ -102,7 +102,7 @@ "failonlyreporter": "^1.0.0", "jimp": "^0.22.7", "magic-string": "^0.30.0", - "pixelmatch": "^5.3.0", + "pixelmatch": "^6.0.0", "puppeteer": "^22.0.0", "qunit": "^2.19.4", "rollup": "^4.6.0", From 3e8a091b30baf2e4369145789db91127349f1ddb Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Mon, 1 Jul 2024 11:52:38 +0200 Subject: [PATCH 40/48] Nodes: Simplify effect nodes. (#28778) * Nodes: Simplify effect nodes. * Nodes: More clean up. * More clean up. --- src/nodes/display/AfterImageNode.js | 12 +---- src/nodes/display/AnamorphicNode.js | 13 +---- src/nodes/display/DepthOfFieldNode.js | 2 +- src/nodes/display/DotScreenNode.js | 74 ++++---------------------- src/nodes/display/GaussianBlurNode.js | 2 +- src/nodes/display/RGBShiftNode.js | 2 +- src/nodes/display/SobelOperatorNode.js | 4 +- 7 files changed, 18 insertions(+), 91 deletions(-) diff --git a/src/nodes/display/AfterImageNode.js b/src/nodes/display/AfterImageNode.js index 50fecbad3fbcf9..c7d3da89e9fdfb 100644 --- a/src/nodes/display/AfterImageNode.js +++ b/src/nodes/display/AfterImageNode.js @@ -99,21 +99,13 @@ class AfterImageNode extends TempNode { const textureNode = this.textureNode; const textureNodeOld = this.textureNodeOld; - if ( textureNode.isTextureNode !== true ) { - - console.error( 'AfterImageNode requires a TextureNode.' ); - - return vec4(); - - } - // const uvNode = textureNode.uvNode || uv(); textureNodeOld.uvNode = uvNode; - const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const when_gt = tslFn( ( [ x_immutable, y_immutable ] ) => { @@ -154,7 +146,7 @@ class AfterImageNode extends TempNode { } -export const afterImage = ( node, damp ) => nodeObject( new AfterImageNode( nodeObject( node ), damp ) ); +export const afterImage = ( node, damp ) => nodeObject( new AfterImageNode( nodeObject( node ).toTexture(), damp ) ); addNodeElement( 'afterImage', afterImage ); diff --git a/src/nodes/display/AnamorphicNode.js b/src/nodes/display/AnamorphicNode.js index 333a6ff254f8dc..dc7ce660aac1c9 100644 --- a/src/nodes/display/AnamorphicNode.js +++ b/src/nodes/display/AnamorphicNode.js @@ -1,5 +1,5 @@ import TempNode from '../core/TempNode.js'; -import { nodeObject, addNodeElement, tslFn, float, vec2, vec3, vec4 } from '../shadernode/ShaderNode.js'; +import { nodeObject, addNodeElement, tslFn, float, vec2, vec3 } from '../shadernode/ShaderNode.js'; import { loop } from '../utils/LoopNode.js'; import { uniform } from '../core/UniformNode.js'; import { NodeUpdateType } from '../core/constants.js'; @@ -86,17 +86,6 @@ class AnamorphicNode extends TempNode { setup( builder ) { const textureNode = this.textureNode; - - if ( textureNode.isTextureNode !== true ) { - - console.error( 'AnamorphNode requires a TextureNode.' ); - - return vec4(); - - } - - // - const uvNode = textureNode.uvNode || uv(); const sampleTexture = ( uv ) => textureNode.uv( uv ); diff --git a/src/nodes/display/DepthOfFieldNode.js b/src/nodes/display/DepthOfFieldNode.js index 6874248233d8e3..c873736cbb1a12 100644 --- a/src/nodes/display/DepthOfFieldNode.js +++ b/src/nodes/display/DepthOfFieldNode.js @@ -112,7 +112,7 @@ class DepthOfFieldNode extends TempNode { } -export const dof = ( node, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) => nodeObject( new DepthOfFieldNode( nodeObject( node ), nodeObject( viewZNode ), nodeObject( focus ), nodeObject( aperture ), nodeObject( maxblur ) ) ); +export const dof = ( node, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) => nodeObject( new DepthOfFieldNode( nodeObject( node ).toTexture(), nodeObject( viewZNode ), nodeObject( focus ), nodeObject( aperture ), nodeObject( maxblur ) ) ); addNodeElement( 'dof', dof ); diff --git a/src/nodes/display/DotScreenNode.js b/src/nodes/display/DotScreenNode.js index 738e9b560cd5f8..99136df4f2ce69 100644 --- a/src/nodes/display/DotScreenNode.js +++ b/src/nodes/display/DotScreenNode.js @@ -3,83 +3,39 @@ import { nodeObject, addNodeElement, tslFn, vec2, vec3, vec4 } from '../shaderno import { uniform } from '../core/UniformNode.js'; import { NodeUpdateType } from '../core/constants.js'; import { uv } from '../accessors/UVNode.js'; -import { texturePass } from './PassNode.js'; import { sin, cos } from '../math/MathNode.js'; import { add } from '../math/OperatorNode.js'; -import QuadMesh from '../../renderers/common/QuadMesh.js'; import { Vector2 } from '../../math/Vector2.js'; -import { RenderTarget } from '../../core/RenderTarget.js'; - -const quadMesh = new QuadMesh(); class DotScreenNode extends TempNode { - constructor( colorNode, center = new Vector2( 0.5, 0.5 ), angle = 1.57, scale = 1 ) { + constructor( inputNode, center = new Vector2( 0.5, 0.5 ), angle = 1.57, scale = 1 ) { super( 'vec4' ); - this.colorNode = colorNode; + this.inputNode = inputNode; this.center = uniform( center ); this.angle = uniform( angle ); this.scale = uniform( scale ); - this._renderTarget = new RenderTarget(); - this._renderTarget.texture.name = 'dotScreen'; - this._size = uniform( new Vector2() ); - this._textureNode = texturePass( this, this._renderTarget.texture ); - this.updateBeforeType = NodeUpdateType.RENDER; } - getTextureNode() { - - return this._textureNode; - - } - - setSize( width, height ) { - - this._size.value.set( width, height ); - this._renderTarget.setSize( width, height ); - - } - - updateBefore( frame ) { - - const { renderer } = frame; + updateBefore() { - const colorNode = this.colorNode; - const map = colorNode.value; + const map = this.inputNode.value; - this._renderTarget.texture.type = map.type; - - const currentRenderTarget = renderer.getRenderTarget(); - const currentTexture = colorNode.value; - - quadMesh.material = this._material; - - this.setSize( map.image.width, map.image.height ); - - // render - - renderer.setRenderTarget( this._renderTarget ); - - quadMesh.render( renderer ); - - // restore - - renderer.setRenderTarget( currentRenderTarget ); - colorNode.value = currentTexture; + this._size.value.set( map.image.width, map.image.height ); } - setup( builder ) { + setup() { - const colorNode = this.colorNode; + const inputNode = this.inputNode; const pattern = tslFn( () => { @@ -95,7 +51,7 @@ class DotScreenNode extends TempNode { const dotScreen = tslFn( () => { - const color = colorNode; + const color = inputNode; const average = add( color.r, color.g, color.b ).div( 3 ); @@ -103,19 +59,9 @@ class DotScreenNode extends TempNode { } ); - // - - const material = this._material || ( this._material = builder.createNodeMaterial() ); - material.fragmentNode = dotScreen(); - - // - - const properties = builder.getNodeProperties( this ); - properties.textureNode = colorNode; - - // + const outputNode = dotScreen(); - return this._textureNode; + return outputNode; } diff --git a/src/nodes/display/GaussianBlurNode.js b/src/nodes/display/GaussianBlurNode.js index cd4f28e69c0016..3db5aed8966f86 100644 --- a/src/nodes/display/GaussianBlurNode.js +++ b/src/nodes/display/GaussianBlurNode.js @@ -184,7 +184,7 @@ class GaussianBlurNode extends TempNode { } -export const gaussianBlur = ( node, directionNode, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ), directionNode, sigma ) ); +export const gaussianBlur = ( node, directionNode, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ).toTexture(), directionNode, sigma ) ); addNodeElement( 'gaussianBlur', gaussianBlur ); diff --git a/src/nodes/display/RGBShiftNode.js b/src/nodes/display/RGBShiftNode.js index e262a942567a92..8e20b7582d09cf 100644 --- a/src/nodes/display/RGBShiftNode.js +++ b/src/nodes/display/RGBShiftNode.js @@ -22,7 +22,7 @@ class RGBShiftNode extends TempNode { const uvNode = textureNode.uvNode || uv(); - const sampleTexture = ( uv ) => this.textureNode.uv( uv ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const rgbShift = tslFn( () => { diff --git a/src/nodes/display/SobelOperatorNode.js b/src/nodes/display/SobelOperatorNode.js index cc123c5c61b9dd..b798adfd3954ba 100644 --- a/src/nodes/display/SobelOperatorNode.js +++ b/src/nodes/display/SobelOperatorNode.js @@ -36,7 +36,7 @@ class SobelOperatorNode extends TempNode { const uvNode = textureNode.uvNode || uv(); - const sampleTexture = ( uv ) => this.textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const sobel = tslFn( () => { @@ -114,7 +114,7 @@ class SobelOperatorNode extends TempNode { } -export const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ) ) ); +export const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ).toTexture() ) ); addNodeElement( 'sobel', sobel ); From 570f72713f0220e69a8e7ac78de6661b8092d26d Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Mon, 1 Jul 2024 23:45:07 +0200 Subject: [PATCH 41/48] Node: Add `Lut3DNode`. (#28779) * Node: Add `Lut3DNode`. * E2E: Add example to exception list. --- examples/files.json | 1 + .../webgpu_postprocessing_3dlut.jpg | Bin 0 -> 56743 bytes examples/webgpu_postprocessing_3dlut.html | 195 ++++++++++++++++++ src/nodes/Nodes.js | 1 + src/nodes/display/Lut3DNode.js | 53 +++++ test/e2e/puppeteer.js | 1 + 6 files changed, 251 insertions(+) create mode 100644 examples/screenshots/webgpu_postprocessing_3dlut.jpg create mode 100644 examples/webgpu_postprocessing_3dlut.html create mode 100644 src/nodes/display/Lut3DNode.js diff --git a/examples/files.json b/examples/files.json index ada08df9ad6529..e5c5c4e737c898 100644 --- a/examples/files.json +++ b/examples/files.json @@ -367,6 +367,7 @@ "webgpu_pmrem_equirectangular", "webgpu_pmrem_scene", "webgpu_portal", + "webgpu_postprocessing_3dlut", "webgpu_postprocessing_afterimage", "webgpu_postprocessing_anamorphic", "webgpu_postprocessing_dof", diff --git a/examples/screenshots/webgpu_postprocessing_3dlut.jpg b/examples/screenshots/webgpu_postprocessing_3dlut.jpg new file mode 100644 index 0000000000000000000000000000000000000000..8e184a811d47e80403be228fee4f7ae3843f2bbb GIT binary patch literal 56743 zcmbTdcT`hP)HVvD(m_Bv5|t($gh-XBNEeVAq)P7~(rc6|HPSm#X;MS)JrwD^_t1Mn z4JF~@_r7a=|J;A>y>r&gI_J!swe~Y-X3w6zpShj6UBP>#EUzSwhmVhkhktkB-Ol3$ z*avr#-nI0@B@Y{zp8m5HLT^_&u9{Zb!?Ol00 zt>!3-UBv8bATbFYJp&^X2PfAHZXQwKD=~2iN!j;u@(PMd%39hwx?sIe`sNmvR@OGQ zcCK#j9-dy_K0(1Dp`V)hxoo!e4Lm;a+Y4ij#OktkjYSz1RgN*fxKOI$CU7DnZS zk4%i6`8H~_D5YcL>}`;RvQ{4oy5*BHk*Q8jvDRcmLxjo)xiOBj8S%d-umQJtfv$#w zuGdd&iC+o{88xhiJ#~WTO)s<_!+4{hN4ZX0M3vX zK=(wGeSZ1V_NOv+gO2K?Qu{JmJZqhg29!eia15opUbg2C<96Qxdp~Zlfqs^Vk}t;)7VuDb}ZTz5YK=*O!dVX$>p0ptZ$8nibL~h{eI|^+qw&V5io@M z_{Hu@&09SGuOk*}H7T<-_IIklB4w%+`GTKvWp))sCv2Z;nnA30H3dlf5ZLTANWJW) z1!Sf+XCOy?8Np5W z6xDgq6CeLcx#{Df9<+U$FrMM2h$}q0$3t0~)(!Ff`%#y|)Soa9aSW4Y9T&WsBU1K5 zx#jBe{>*!Cg0ziJ-SeRE*1TD>W%ko2_TL-J;w!}|qm;Jzn=1g#g5p=;aZB#56A|LM zZr#ef9>Or?2e)`hps^Mxp+-Y~x{jS+588S4pr+{Y?}MO+!w%E)t3|e^3a;yv(U1z- z?nZx(rD!LOg^c^gO2AN%!0+fuo1q5rRIL$^H3-9DkBKxYb^;*LOOa(gs{a;`(Dve6am{YPp8_dz9h(hl1r%5N+^(qS9Boy4!_jy3 z(;`iNaGZ2y&vF@M2POS%FWJ)LN_oH4q#4Q${daae!x{}Y^RQQb>UZ-%V*6rj&~^2- zvXoip&nz&Y?~hyA8EbA~M9(+B_jmOge#WQ~k8!7GbvhEv=Abn_6~W*ZI{kv*8?0Q| z#1=6xwRg2kfQ9ledc0(~#D3|9Vjxhb)a42qb{37_XE(*kxs4dB+j!^V^QZX_FLO!? 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b/examples/webgpu_postprocessing_3dlut.html new file mode 100644 index 00000000000000..042c6cba64d8b5 --- /dev/null +++ b/examples/webgpu_postprocessing_3dlut.html @@ -0,0 +1,195 @@ + + + + three.js webgpu - 3d luts + + + + + + +
+ three.js - 3D LUTs
+ Battle Damaged Sci-fi Helmet by + theblueturtle_
+ Royal Esplanade from HDRI Haven
+ LUTs from RocketStock, FreePresets.com +
+ + + + + + + diff --git a/src/nodes/Nodes.js b/src/nodes/Nodes.js index 1b1fdd2230c978..b43ab243b3851b 100644 --- a/src/nodes/Nodes.js +++ b/src/nodes/Nodes.js @@ -132,6 +132,7 @@ export { default as DepthOfFieldNode, dof } from './display/DepthOfFieldNode.js' export { default as DotScreenNode, dotScreen } from './display/DotScreenNode.js'; export { default as RGBShiftNode, rgbShift } from './display/RGBShiftNode.js'; export { default as FilmNode, film } from './display/FilmNode.js'; +export { default as Lut3DNode, lut3D } from './display/Lut3DNode.js'; export { default as PassNode, pass, texturePass, depthPass } from './display/PassNode.js'; diff --git a/src/nodes/display/Lut3DNode.js b/src/nodes/display/Lut3DNode.js new file mode 100644 index 00000000000000..54cc3d922a8fce --- /dev/null +++ b/src/nodes/display/Lut3DNode.js @@ -0,0 +1,53 @@ +import TempNode from '../core/TempNode.js'; +import { addNodeElement, tslFn, nodeObject, vec3, vec4, float } from '../shadernode/ShaderNode.js'; +import { uniform } from '../core/UniformNode.js'; +import { mix } from '../math/MathNode.js'; + +class Lut3DNode extends TempNode { + + constructor( inputNode, lutNode, size, intensityNode ) { + + super(); + + this.inputNode = inputNode; + this.lutNode = lutNode; + this.size = uniform( size ); + this.intensityNode = intensityNode; + + } + + setup() { + + const { inputNode, lutNode } = this; + + const sampleLut = ( uv ) => lutNode.uv( uv ); + + const lut3D = tslFn( () => { + + const base = inputNode; + + // pull the sample in by half a pixel so the sample begins at the center of the edge pixels. + + const pixelWidth = float( 1.0 ).div( this.size ); + const halfPixelWidth = float( 0.5 ).div( this.size ); + const uvw = vec3( halfPixelWidth ).add( base.rgb.mul( float( 1.0 ).sub( pixelWidth ) ) ); + + const lutValue = vec4( sampleLut( uvw ).rgb, base.a ); + + return vec4( mix( base, lutValue, this.intensityNode ) ); + + } ); + + const outputNode = lut3D(); + + return outputNode; + + } + +} + +export const lut3D = ( node, lut, size, intensity ) => nodeObject( new Lut3DNode( nodeObject( node ), nodeObject( lut ), size, nodeObject( intensity ) ) ); + +addNodeElement( 'lut3D', lut3D ); + +export default Lut3DNode; diff --git a/test/e2e/puppeteer.js b/test/e2e/puppeteer.js index bb55bdc4fc1cfa..9e906fc6f297b2 100644 --- a/test/e2e/puppeteer.js +++ b/test/e2e/puppeteer.js @@ -124,6 +124,7 @@ const exceptionList = [ // WebGPURenderer: Unknown problem 'webgpu_postprocessing_afterimage', + 'webgpu_postprocessing_3dlut', 'webgpu_backdrop_water', 'webgpu_camera_logarithmicdepthbuffer', 'webgpu_clipping', From 1e4f2b16a098dcae181232a854da2832675ae75c Mon Sep 17 00:00:00 2001 From: sunag Date: Mon, 1 Jul 2024 18:48:20 -0300 Subject: [PATCH 42/48] Update builds. --- build/three.cjs | 3 +- build/three.module.js | 3 +- build/three.module.min.js | 2 +- build/three.webgpu.js | 162 ++++++++++++++++---------------------- build/three.webgpu.min.js | 2 +- 5 files changed, 76 insertions(+), 96 deletions(-) diff --git a/build/three.cjs b/build/three.cjs index f61a72d5b9af60..420692cba8279d 100644 --- a/build/three.cjs +++ b/build/three.cjs @@ -5,7 +5,7 @@ */ 'use strict'; -const REVISION = '166'; +const REVISION = '167dev'; const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; @@ -46437,6 +46437,7 @@ class ObjectLoader extends Loader { const skeletons = this.parseSkeletons( json.skeletons, object ); this.bindSkeletons( object, skeletons ); + this.bindLightTargets( object ); return object; diff --git a/build/three.module.js b/build/three.module.js index 35472f1c942431..ebc94b996eb0c8 100644 --- a/build/three.module.js +++ b/build/three.module.js @@ -3,7 +3,7 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const REVISION = '166'; +const REVISION = '167dev'; const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; @@ -46435,6 +46435,7 @@ class ObjectLoader extends Loader { const skeletons = this.parseSkeletons( json.skeletons, object ); this.bindSkeletons( object, skeletons ); + this.bindLightTargets( object ); return object; diff --git a/build/three.module.min.js b/build/three.module.min.js index a79ef7fa227cdd..138662ae8c8507 100644 --- a/build/three.module.min.js +++ b/build/three.module.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const 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t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ga={common:{diffuse:{value:new Zr(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Qn}},envmap:{envMap:{value:null},envMapRotation:{value:new Qn},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Qn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Qn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Qn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Qn},normalScale:{value:new $n(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Qn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Qn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Qn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Qn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new 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Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;tv-4?i-v+4:0),4*(this._cubeSize-_),3*_,2*_),o.setRenderTarget(e),o.render(c,Pa)}}function ka(t,e,n){const i=new wi(t,e,n);return i.texture.mapping=dt,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Va(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function Ha(){return new Zs({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ga(){return new Zs({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Wa(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function Xa(t){let e=new WeakMap,n=null;function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===ht||s===ut,o=s===lt||s===ct;if(a||o){let s=e.get(r);const l=void 0!==s?s.texture.pmremVersion:0;if(r.isRenderTargetTexture&&r.pmremVersion!==l)return null===n&&(n=new 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OPAQUE":"",fa.colorspace_pars_fragment,cl("linearToOutputTexel",n.outputColorSpace),n.useDepthPacking?"#define DEPTH_PACKING "+n.depthPacking:"","\n"].filter(ul).join("\n")),a=fl(a),a=dl(a,n),a=pl(a,n),o=fl(o),o=dl(o,n),o=pl(o,n),a=xl(a),o=xl(o),!0!==n.isRawShaderMaterial&&(M="#version 300 es\n",x=[g,"#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+x,y=["#define varying in",n.glslVersion===Fn?"":"layout(location = 0) out highp vec4 pc_fragColor;",n.glslVersion===Fn?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+y);const S=M+x+a,b=M+y+o,w=sl(r,r.VERTEX_SHADER,S),T=sl(r,r.FRAGMENT_SHADER,b);function E(e){if(t.debug.checkShaderErrors){const n=r.getProgramInfoLog(_).trim(),i=r.getShaderInfoLog(w).trim(),s=r.getShaderInfoLog(T).trim();let a=!0,o=!0;if(!1===r.getProgramParameter(_,r.LINK_STATUS))if(a=!1,"function"==typeof t.debug.onShaderError)t.debug.onShaderError(r,_,w,T);else{const t=ll(r,w,"vertex"),i=ll(r,T,"fragment");console.error("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(_,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+e.name+"\nMaterial Type: "+e.type+"\n\nProgram Info Log: "+n+"\n"+t+"\n"+i)}else""!==n?console.warn("THREE.WebGLProgram: Program Info Log:",n):""!==i&&""!==s||(o=!1);o&&(e.diagnostics={runnable:a,programLog:n,vertexShader:{log:i,prefix:x},fragmentShader:{log:s,prefix:y}})}r.deleteShader(w),r.deleteShader(T),A=new rl(r,_),R=function(t,e){const n={},i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES);for(let r=0;r0,q=s.clearcoat>0,Y=s.dispersion>0,Z=s.iridescence>0,J=s.sheen>0,$=s.transmission>0,Q=j&&!!s.anisotropyMap,tt=q&&!!s.clearcoatMap,et=q&&!!s.clearcoatNormalMap,nt=q&&!!s.clearcoatRoughnessMap,it=Z&&!!s.iridescenceMap,rt=Z&&!!s.iridescenceThicknessMap,st=J&&!!s.sheenColorMap,at=J&&!!s.sheenRoughnessMap,ot=!!s.specularMap,lt=!!s.specularColorMap,ct=!!s.specularIntensityMap,ht=$&&!!s.transmissionMap,ut=$&&!!s.thicknessMap,pt=!!s.gradientMap,mt=!!s.alphaMap,ft=s.alphaTest>0,gt=!!s.alphaHash,vt=!!s.extensions;let _t=K;s.toneMapped&&(null!==L&&!0!==L.isXRRenderTarget||(_t=t.toneMapping));const xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const 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e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Yl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new ql;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Jl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Jl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new jl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,$l.copy(a),$l.x*=-1,$l.y*=-1,$l.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&($l.y*=-1,$l.z*=-1),t.envMapRotation.value.setFromMatrix4(Ql.makeRotationFromEuler($l)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function ec(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class ic{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new ic(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class rc{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new rc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class sc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ac{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:uc.clone(),uv:Wr.getInterpolation(uc,vc,_c,xc,yc,Mc,Sc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wc(t,e,n,i,r,s){mc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(fc.x=s*mc.x-r*mc.y,fc.y=r*mc.x+s*mc.y):fc.copy(mc),t.copy(e),t.x+=fc.x,t.y+=fc.y,t.applyMatrix4(gc)}const Tc=new Pi,Ec=new Pi;class Ac extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){Tc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(Tc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Tc.setFromMatrixPosition(t.matrixWorld),Ec.setFromMatrixPosition(this.matrixWorld);const n=Tc.distanceTo(Ec)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const eh=new ar,nh=new ar,ih=new ar,rh=new Zr(1,1,1),sh=new ar,ah=new ua,oh=new Ui,lh=new Ki,ch=new Pi,hh=new Pi,uh=new Pi,dh=new th,ph=new Hs,mh=[];function fh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;ih.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(rh.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);fh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,oh),oh.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;ph.material=this.material,ph.geometry.index=s.index,ph.geometry.attributes=s.attributes,null===ph.geometry.boundingBox&&(ph.geometry.boundingBox=new Ui),null===ph.geometry.boundingSphere&&(ph.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(sh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ah.setFromProjectionMatrix(sh,t.coordinateSystem));let m=0;if(this.sortObjects){nh.copy(this.matrixWorld).invert(),ch.setFromMatrixPosition(n.matrixWorld).applyMatrix4(nh),hh.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(nh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;bh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(bh);return oe.far?void 0:{distance:o,point:wh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Ah=new Pi,Rh=new Pi;class Ch extends Th{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Bh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class zh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class kh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Vh extends kh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hh extends kh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Gh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Wh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Xh extends Wh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Yh.subVectors(i[0],i[1]).add(i[0]),a=Yh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(Qh(a,o.x,l.x,c.x,h.x),Qh(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class du extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends fu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new gu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.vertices,t.indices,t.radius,t.details)}}class _u extends vu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new _u(t.radius,t.detail)}}const xu=new Pi,yu=new Pi,Mu=new Pi,Su=new Wr;class bu extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Ru(s,a,n,o,l,p,0),a};function Eu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=qu(s,t[s],t[s+1],a);return a&&Vu(a,a.next)&&(Yu(a),a=a.next),a}function Au(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Vu(i,i.next)&&0!==ku(i.prev,i,i.next))i=i.next;else{if(Yu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Ru(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Ou(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?Pu(t,i,r,s):Cu(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),Yu(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ru(t=Iu(Au(t),e,n),e,n,i,r,s,2):2===a&&Lu(t,e,n,i,r,s):Ru(Au(t),e,n,i,r,s,1);break}}function Cu(t){const e=t.prev,n=t,i=t.next;if(ku(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=rs?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&Bu(r,o,s,l,a,c,m.x,m.y)&&ku(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Pu(t,e,n,i){const r=t.prev,s=t,a=t.next;if(ku(r,s,a)>=0)return!1;const 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n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Hu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Xu(t,e)&&Xu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(ku(t.prev,t,e.prev)||ku(t,e.prev,e))||Vu(t,e)&&ku(t.prev,t,t.next)>0&&ku(e.prev,e,e.next)>0)}function ku(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Vu(t,e){return t.x===e.x&&t.y===e.y}function Hu(t,e,n,i){const r=Wu(ku(t,e,n)),s=Wu(ku(t,e,i)),a=Wu(ku(n,i,t)),o=Wu(ku(n,i,e));return r!==s&&a!==o||(!(0!==r||!Gu(t,n,e))||(!(0!==s||!Gu(t,i,e))||(!(0!==a||!Gu(n,t,i))||!(0!==o||!Gu(n,e,i)))))}function Gu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Wu(t){return t>0?1:t<0?-1:0}function Xu(t,e){return ku(t.prev,t,t.next)<0?ku(t,e,t.next)>=0&&ku(t,t.prev,e)>=0:ku(t,e,t.prev)<0||ku(t,t.next,e)<0}function ju(t,e){const n=new Zu(t.i,t.x,t.y),i=new Zu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function qu(t,e,n,i){const r=new Zu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Yu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Zu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Ju{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function $u(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class vd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class xd extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class yd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Sd extends vh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function bd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function wd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Td(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Ed(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ad(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Rd={convertArray:bd,isTypedArray:wd,getKeyframeOrder:Td,sortedArray:Ed,flattenJSON:Ad,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&wd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ud.prototype.TimeBufferType=Float32Array,Ud.prototype.ValueBufferType=Float32Array,Ud.prototype.DefaultInterpolation=Ue;class Nd extends Ud{constructor(t,e,n){super(t,e,n)}}Nd.prototype.ValueTypeName="bool",Nd.prototype.ValueBufferType=Array,Nd.prototype.DefaultInterpolation=Le,Nd.prototype.InterpolantFactoryMethodLinear=void 0,Nd.prototype.InterpolantFactoryMethodSmooth=void 0;class Dd extends Ud{}Dd.prototype.ValueTypeName="color";class Od extends Ud{}Od.prototype.ValueTypeName="number";class Fd extends Cd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Bd extends Ud{InterpolantFactoryMethodLinear(t){return new Fd(this.times,this.values,this.getValueSize(),t)}}Bd.prototype.ValueTypeName="quaternion",Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ud{constructor(t,e,n){super(t,e,n)}}zd.prototype.ValueTypeName="string",zd.prototype.ValueBufferType=Array,zd.prototype.DefaultInterpolation=Le,zd.prototype.InterpolantFactoryMethodLinear=void 0,zd.prototype.InterpolantFactoryMethodSmooth=void 0;class kd extends Ud{}kd.prototype.ValueTypeName="vector";class Vd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Hd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ud.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ad(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==qd[t])return void qd[t].push({onLoad:e,onProgress:n,onError:i});qd[t]=[],qd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=qd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new Yd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Gd.add(t,e);const n=qd[t];delete qd[t];for(let t=0,i=n.length;t{const n=qd[t];if(void 0===n)throw this.manager.itemError(t),e;delete qd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Jd extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:pd,SpriteMaterial:cc,RawShaderMaterial:md,ShaderMaterial:Zs,PointsMaterial:Ih,MeshPhysicalMaterial:gd,MeshStandardMaterial:fd,MeshPhongMaterial:vd,MeshToonMaterial:_d,MeshNormalMaterial:xd,MeshLambertMaterial:yd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:Md,LineDashedMaterial:Sd,LineBasicMaterial:vh,Material:$r}[t]}}class Sp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Wd(e);r=new $d(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new $d(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ac;break;case"Line":s=new Th(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ph(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ch(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Oh(l(t.geometry),c(t.material));break;case"Sprite":s=new bc(c(t.material));break;case"Group":s=new ql;break;case"Bone":s=new Bc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Gd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Gd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Gd.add(t,o),r.manager.itemStart(t)}}let Pp;class Ip{static getContext(){return void 0===Pp&&(Pp=new(window.AudioContext||window.webkitAudioContext)),Pp}static setContext(t){Pp=t}}class Lp extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Ip.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Up=new ar,Np=new ar,Dp=new ar;class Op{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Dp.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Np.elements[12]=-n,Up.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Dp),s=-r*e.aspect-i,a=r*e.aspect-i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Dp)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Np),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Up)}}class Fp{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Bp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Bp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Bp(){return("undefined"==typeof performance?Date:performance).now()}const zp=new Pi,kp=new Ci,Vp=new Pi,Hp=new Pi;class Gp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Ip.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Fp}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(zp,kp,Vp),Hp.set(0,0,-1).applyQuaternion(kp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(zp.x,t),e.positionY.linearRampToValueAtTime(zp.y,t),e.positionZ.linearRampToValueAtTime(zp.z,t),e.forwardX.linearRampToValueAtTime(Hp.x,t),e.forwardY.linearRampToValueAtTime(Hp.y,t),e.forwardZ.linearRampToValueAtTime(Hp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(zp.x,zp.y,zp.z),e.setOrientation(Hp.x,Hp.y,Hp.z,n.x,n.y,n.z)}}class Wp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $p="\\[\\]\\.:\\/",Qp=new RegExp("["+$p+"]","g"),tm="[^"+$p+"]",em="[^"+$p.replace("\\.","")+"]",nm=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",tm)+/(WCOD+)?/.source.replace("WCOD",em)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tm)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tm)+"$"),im=["material","materials","bones","map"];class rm{constructor(t,e,n){this.path=e,this.parsedPath=n||rm.parseTrackName(e),this.node=rm.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rm.Composite(t,e,n):new rm(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qp,"")}static parseTrackName(t){const e=nm.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==im.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new rm(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class am{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const om=new Float32Array(1);class lm extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Kp(rm.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ym).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Sm=new Pi,bm=new Pi;class wm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Sm.subVectors(t,this.start),bm.subVectors(this.end,this.start);const n=bm.dot(bm);let i=bm.dot(Sm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Tm=new Pi;class Em extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Km.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Km,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ef extends Ch{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new vh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class nf{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new uu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Ju.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new wu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t>8&255]+Vn[t>>16&255]+Vn[t>>24&255]+"-"+Vn[255&e]+Vn[e>>8&255]+"-"+Vn[e>>16&15|64]+Vn[e>>24&255]+"-"+Vn[63&n|128]+Vn[n>>8&255]+"-"+Vn[n>>16&255]+Vn[n>>24&255]+Vn[255&i]+Vn[i>>8&255]+Vn[i>>16&255]+Vn[i>>24&255]).toLowerCase()}function jn(t,e,n){return Math.max(e,Math.min(n,t))}function qn(t,e){return(t%e+e)%e}function Yn(t,e,n){return(1-n)*t+n*e}function Zn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Jn(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const Kn={DEG2RAD:Gn,RAD2DEG:Wn,generateUUID:Xn,clamp:jn,euclideanModulo:qn,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:Yn,damp:function(t,e,n,i){return Yn(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(qn(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(Hn=t);let e=Hn+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gn},radToDeg:function(t){return t*Wn},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Jn,denormalize:Zn};class $n{constructor(t=0,e=0){$n.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qn{constructor(t,e,n,i,r,s,a,o,l){Qn.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l)}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],_=i[4],x=i[7],y=i[2],M=i[5],S=i[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*_+o*M,r[6]=s*g+a*x+o*S,r[1]=l*m+c*v+h*y,r[4]=l*f+c*_+h*M,r[7]=l*g+c*x+h*S,r[2]=u*m+d*v+p*y,r[5]=u*f+d*_+p*M,r[8]=u*g+d*x+p*S,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-n*r*c+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(i*l-c*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(c*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(ti.makeScale(t,e)),this}rotate(t){return this.premultiply(ti.makeRotation(-t)),this}translate(t,e){return this.premultiply(ti.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const ti=new Qn;function ei(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const ni={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ii(t,e){return new ni[t](e)}function ri(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function si(){const t=ri("canvas");return t.style.display="block",t}const ai={};function oi(t){t in ai||(ai[t]=!0,console.warn(t))}const li=(new Qn).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ci=(new Qn).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ze]:{transfer:$e,primaries:tn,toReference:t=>t,fromReference:t=>t},[Ye]:{transfer:Qe,primaries:tn,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ke]:{transfer:$e,primaries:en,toReference:t=>t.applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li)},[Je]:{transfer:Qe,primaries:en,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ci),fromReference:t=>t.applyMatrix3(li).convertLinearToSRGB()}},ui=new Set([Ze,Ke]),di={enabled:!0,_workingColorSpace:Ze,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!ui.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=hi[e].toReference;return(0,hi[n].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===qe?$e:hi[t].transfer}};function pi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function mi(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let fi;class gi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===fi&&(fi=ri("canvas")),fi.width=t.width,fi.height=t.height;const n=fi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=fi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ri("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ot)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Mi.DEFAULT_IMAGE=null,Mi.DEFAULT_MAPPING=ot,Mi.DEFAULT_ANISOTROPY=1;class Si{constructor(t=0,e=0,n=0,i=1){Si.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(jn(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Pi{constructor(t=0,e=0,n=0){Pi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Li.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Li.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*i-a*n),c=2*(a*e-r*i),h=2*(r*n-s*e);return this.x=e+o*l+s*h-a*c,this.y=n+o*c+a*l-r*h,this.z=i+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(jn(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Pi,Li=new Ci;class Ui{constructor(t=new Pi(1/0,1/0,1/0),e=new Pi(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Di),Di.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Gi),Wi.subVectors(this.max,Gi),Fi.subVectors(t.a,Gi),Bi.subVectors(t.b,Gi),zi.subVectors(t.c,Gi),ki.subVectors(Bi,Fi),Vi.subVectors(zi,Bi),Hi.subVectors(Fi,zi);let e=[0,-ki.z,ki.y,0,-Vi.z,Vi.y,0,-Hi.z,Hi.y,ki.z,0,-ki.x,Vi.z,0,-Vi.x,Hi.z,0,-Hi.x,-ki.y,ki.x,0,-Vi.y,Vi.x,0,-Hi.y,Hi.x,0];return!!qi(e,Fi,Bi,zi,Wi)&&(e=[1,0,0,0,1,0,0,0,1],!!qi(e,Fi,Bi,zi,Wi)&&(Xi.crossVectors(ki,Vi),e=[Xi.x,Xi.y,Xi.z],qi(e,Fi,Bi,zi,Wi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Di).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Di).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ni[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ni[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ni[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ni[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ni[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ni[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ni[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ni[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ni)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ni=[new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi,new Pi],Di=new Pi,Oi=new Ui,Fi=new Pi,Bi=new Pi,zi=new Pi,ki=new Pi,Vi=new Pi,Hi=new Pi,Gi=new Pi,Wi=new Pi,Xi=new Pi,ji=new Pi;function qi(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ji.fromArray(t,s);const a=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),o=e.dot(ji),l=n.dot(ji),c=i.dot(ji);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Yi=new Ui,Zi=new Pi,Ji=new Pi;class Ki{constructor(t=new Pi,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):Yi.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Zi.subVectors(t,this.center);const e=Zi.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(Zi,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Ji.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Zi.copy(t.center).add(Ji)),this.expandByPoint(Zi.copy(t.center).sub(Ji))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const $i=new Pi,Qi=new Pi,tr=new Pi,er=new Pi,nr=new Pi,ir=new Pi,rr=new Pi;class sr{constructor(t=new Pi,e=new Pi(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,$i)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=$i.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):($i.copy(this.origin).addScaledVector(this.direction,e),$i.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Qi.copy(t).add(e).multiplyScalar(.5),tr.copy(e).sub(t).normalize(),er.copy(this.origin).sub(Qi);const r=.5*t.distanceTo(e),s=-this.direction.dot(tr),a=er.dot(this.direction),o=-er.dot(tr),l=er.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Qi).addScaledVector(tr,u),d}intersectSphere(t,e){$i.subVectors(t.center,this.origin);const n=$i.dot(this.direction),i=$i.dot($i)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||isNaN(n))&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,$i)}intersectTriangle(t,e,n,i,r){nr.subVectors(e,t),ir.subVectors(n,t),rr.crossVectors(nr,ir);let s,a=this.direction.dot(rr);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}er.subVectors(this.origin,t);const o=s*this.direction.dot(ir.crossVectors(er,ir));if(o<0)return null;const l=s*this.direction.dot(nr.cross(er));if(l<0)return null;if(o+l>a)return null;const c=-s*er.dot(rr);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ar{constructor(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){ar.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f)}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ar).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/or.setFromMatrixColumn(t,0).length(),r=1/or.setFromMatrixColumn(t,1).length(),s=1/or.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(cr,t,hr)}lookAt(t,e,n){const i=this.elements;return pr.subVectors(t,e),0===pr.lengthSq()&&(pr.z=1),pr.normalize(),ur.crossVectors(n,pr),0===ur.lengthSq()&&(1===Math.abs(n.z)?pr.x+=1e-4:pr.z+=1e-4,pr.normalize(),ur.crossVectors(n,pr)),ur.normalize(),dr.crossVectors(pr,ur),i[0]=ur.x,i[4]=dr.x,i[8]=pr.x,i[1]=ur.y,i[5]=dr.y,i[9]=pr.y,i[2]=ur.z,i[6]=dr.z,i[10]=pr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],_=n[7],x=n[11],y=n[15],M=i[0],S=i[4],b=i[8],w=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],P=i[6],I=i[10],L=i[14],U=i[3],N=i[7],D=i[11],O=i[15];return r[0]=s*M+a*T+o*C+l*U,r[4]=s*S+a*E+o*P+l*N,r[8]=s*b+a*A+o*I+l*D,r[12]=s*w+a*R+o*L+l*O,r[1]=c*M+h*T+u*C+d*U,r[5]=c*S+h*E+u*P+d*N,r[9]=c*b+h*A+u*I+d*D,r[13]=c*w+h*R+u*L+d*O,r[2]=p*M+m*T+f*C+g*U,r[6]=p*S+m*E+f*P+g*N,r[10]=p*b+m*A+f*I+g*D,r[14]=p*w+m*R+f*L+g*O,r[3]=v*M+_*T+x*C+y*U,r[7]=v*S+_*E+x*P+y*N,r[11]=v*b+_*A+x*I+y*D,r[15]=v*w+_*R+x*L+y*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,_=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+n*_+i*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/M;return t[0]=v*S,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*S,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*S,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*S,t[4]=_*S,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*S,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*S,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*S,t[8]=x*S,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*S,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*S,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*S,t[12]=y*S,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*S,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*S,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*S,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,_=o*c,x=o*h,y=n.x,M=n.y,S=n.z;return i[0]=(1-(m+g))*y,i[1]=(d+x)*y,i[2]=(p-_)*y,i[3]=0,i[4]=(d-x)*M,i[5]=(1-(u+g))*M,i[6]=(f+v)*M,i[7]=0,i[8]=(p+_)*S,i[9]=(f-v)*S,i[10]=(1-(u+m))*S,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=or.set(i[0],i[1],i[2]).length();const s=or.set(i[4],i[5],i[6]).length(),a=or.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],lr.copy(this);const o=1/r,l=1/s,c=1/a;return lr.elements[0]*=o,lr.elements[1]*=o,lr.elements[2]*=o,lr.elements[4]*=l,lr.elements[5]*=l,lr.elements[6]*=l,lr.elements[8]*=c,lr.elements[9]*=c,lr.elements[10]*=c,e.setFromRotationMatrix(lr),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(a===Bn)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==zn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(s-r),u=(e+t)*l,d=(n+i)*c;let p,m;if(a===Bn)p=(s+r)*h,m=-2*h;else{if(a!==zn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,m=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=m,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const or=new Pi,lr=new ar,cr=new Pi(0,0,0),hr=new Pi(1,1,1),ur=new Pi,dr=new Pi,pr=new Pi,mr=new ar,fr=new Ci;class gr{constructor(t=0,e=0,n=0,i=gr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(jn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-jn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(jn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-jn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(jn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-jn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return mr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(mr,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return fr.setFromEuler(this),this.setFromQuaternion(fr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}gr.DEFAULT_ORDER="XYZ";class vr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Nr.subVectors(i,e),Dr.subVectors(n,e),Or.subVectors(t,e);const s=Nr.dot(Nr),a=Nr.dot(Dr),o=Nr.dot(Or),l=Dr.dot(Dr),c=Dr.dot(Or),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return null!==this.getBarycoord(t,e,n,i,Fr)&&(Fr.x>=0&&Fr.y>=0&&Fr.x+Fr.y<=1)}static getInterpolation(t,e,n,i,r,s,a,o){return null===this.getBarycoord(t,e,n,i,Fr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Fr.x),o.addScaledVector(s,Fr.y),o.addScaledVector(a,Fr.z),o)}static isFrontFacing(t,e,n,i){return Nr.subVectors(n,e),Dr.subVectors(t,e),Nr.cross(Dr).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Nr.subVectors(this.c,this.b),Dr.subVectors(this.a,this.b),.5*Nr.cross(Dr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Wr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Wr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,r){return Wr.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Wr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Wr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Br.subVectors(i,n),zr.subVectors(r,n),Vr.subVectors(t,n);const o=Br.dot(Vr),l=zr.dot(Vr);if(o<=0&&l<=0)return e.copy(n);Hr.subVectors(t,i);const c=Br.dot(Hr),h=zr.dot(Hr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Br,s);Gr.subVectors(t,r);const d=Br.dot(Gr),p=zr.dot(Gr);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(zr,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return kr.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(kr,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Br,s).addScaledVector(zr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Xr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},qr={h:0,s:0,l:0};function Yr(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}class Zr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ye){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,di.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=di.workingColorSpace){return this.r=t,this.g=e,this.b=n,di.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=di.workingColorSpace){if(t=qn(t,1),e=jn(e,0,1),n=jn(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Yr(r,i,t+1/3),this.g=Yr(r,i,t),this.b=Yr(r,i,t-1/3)}return di.toWorkingColorSpace(this,i),this}setStyle(t,e=Ye){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=i[1],a=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(n,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ye){const n=Xr[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=pi(t.r),this.g=pi(t.g),this.b=pi(t.b),this}copyLinearToSRGB(t){return this.r=mi(t.r),this.g=mi(t.g),this.b=mi(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ye){return di.fromWorkingColorSpace(Jr.copy(this),t),65536*Math.round(jn(255*Jr.r,0,255))+256*Math.round(jn(255*Jr.g,0,255))+Math.round(jn(255*Jr.b,0,255))}getHexString(t=Ye){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=di.workingColorSpace){di.fromWorkingColorSpace(Jr.copy(this),e);const n=Jr.r,i=Jr.g,r=Jr.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(n.dispersion=this.dispersion),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapRotation&&(n.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),this.side!==u&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==C&&(n.blendSrc=this.blendSrc),this.blendDst!==P&&(n.blendDst=this.blendDst),this.blendEquation!==y&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==rn&&(n.stencilFail=this.stencilFail),this.stencilZFail!==rn&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==rn&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Qr extends $r{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ts=es();function es(){const t=new ArrayBuffer(4),e=new Float32Array(t),n=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,s[t]=e|n}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:n,baseTable:i,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function ns(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=jn(t,-65504,65504),ts.floatView[0]=t;const e=ts.uint32View[0],n=e>>23&511;return ts.baseTable[n]+((8388607&e)>>ts.shiftTable[n])}function is(t){const e=t>>10;return ts.uint32View[0]=ts.mantissaTable[ts.offsetTable[e]+(1023&t)]+ts.exponentTable[e],ts.floatView[0]}const rs={toHalfFloat:ns,fromHalfFloat:is},ss=new Pi,as=new $n;class os{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Lt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;t(t.far-t.near)**2)return}Ts.copy(r).invert(),Es.copy(t.ray).applyMatrix4(Ts),null!==n.boundingBox&&!1===Es.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Es)}}_computeIntersections(t,e,n){let i;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;rn.far?null:{distance:c,point:Vs.clone(),object:t}}(t,e,n,i,Cs,Ps,Is,ks);if(h){r&&(Ns.fromBufferAttribute(r,o),Ds.fromBufferAttribute(r,l),Os.fromBufferAttribute(r,c),h.uv=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),s&&(Ns.fromBufferAttribute(s,o),Ds.fromBufferAttribute(s,l),Os.fromBufferAttribute(s,c),h.uv1=Wr.getInterpolation(ks,Cs,Ps,Is,Ns,Ds,Os,new $n)),a&&(Fs.fromBufferAttribute(a,o),Bs.fromBufferAttribute(a,l),zs.fromBufferAttribute(a,c),h.normal=Wr.getInterpolation(ks,Cs,Ps,Is,Fs,Bs,zs,new Pi),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Pi,materialIndex:0};Wr.getNormal(Cs,Ps,Is,t.normal),h.face=t}return h}class Ws extends ws{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const _=s/f,x=p/g,y=s/2,M=p/2,S=m/2,b=f+1,w=g+1;let T=0,E=0;const A=new Pi;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Js extends Ur{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ar,this.projectionMatrix=new ar,this.projectionMatrixInverse=new ar,this.coordinateSystem=Bn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Ks=new Pi,$s=new $n,Qs=new $n;class ta extends Js{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Wn*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Wn*Math.atan(Math.tan(.5*Gn*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Ks.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z),Ks.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Ks.x,Ks.y).multiplyScalar(-t/Ks.z)}getViewSize(t,e){return this.getViewBounds(t,$s,Qs),e.subVectors(Qs,$s)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const ea=-90;class na extends Ur{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ta(ea,1,t,e);i.layers=this.layers,this.add(i);const r=new ta(ea,1,t,e);r.layers=this.layers,this.add(r);const s=new ta(ea,1,t,e);s.layers=this.layers,this.add(s);const a=new ta(ea,1,t,e);a.layers=this.layers,this.add(a);const o=new ta(ea,1,t,e);o.layers=this.layers,this.add(o);const l=new ta(ea,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===Bn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==zn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,s),t.setRenderTarget(n,2,i),t.render(e,a),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=m,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class ia extends Mi{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:lt,n,i,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ra extends wi{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ia(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Mt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Ws(5,5,5),r=new Zs({name:"CubemapFromEquirect",uniforms:Xs(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:d,blending:0});r.uniforms.tEquirect.value=e;const s=new Hs(i,r),a=e.minFilter;e.minFilter===wt&&(e.minFilter=Mt);return new na(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}const sa=new Pi,aa=new Pi,oa=new Qn;class la{constructor(t=new Pi(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=sa.subVectors(n,e).cross(aa.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(sa),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(t.start).addScaledVector(n,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||oa.getNormalMatrix(t),i=this.coplanarPoint(sa).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ca=new Ki,ha=new Pi;class ua{constructor(t=new la,e=new la,n=new la,i=new la,r=new la,s=new la){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=2e3){const n=this.planes,i=t.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],m=i[10],f=i[11],g=i[12],v=i[13],_=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,f-d,x-g).normalize(),n[1].setComponents(o+r,u+l,f+d,x+g).normalize(),n[2].setComponents(o+s,u+c,f+p,x+v).normalize(),n[3].setComponents(o-s,u-c,f-p,x-v).normalize(),n[4].setComponents(o-a,u-h,f-m,x-_).normalize(),e===Bn)n[5].setComponents(o+a,u+h,f+m,x+_).normalize();else{if(e!==zn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(a,h,m,_).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ca.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ca.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ca)}intersectsSprite(t){return ca.center.set(0,0,0),ca.radius=.7071067811865476,ca.applyMatrix4(t.matrixWorld),this.intersectsSphere(ca)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,ha.y=i.normal.y>0?t.max.y:t.min.y,ha.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(ha)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function da(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function pa(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=e.get(n);i&&(t.deleteBuffer(i.buffer),e.delete(n))},update:function(n,i){if(n.isGLBufferAttribute){const t=e.get(n);return void((!t||t.version 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t\n\t\t#else\n\t\t\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ga={common:{diffuse:{value:new Zr(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Qn}},envmap:{envMap:{value:null},envMapRotation:{value:new Qn},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Qn}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Qn}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Qn},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Qn},normalScale:{value:new $n(1,1)}},displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Qn},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Qn}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Qn}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Qn}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Zr(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowIntensity:1,shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new Zr(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0},uvTransform:{value:new Qn}},sprite:{diffuse:{value:new Zr(16777215)},opacity:{value:1},center:{value:new $n(.5,.5)},rotation:{value:0},map:{value:null},mapTransform:{value:new Qn},alphaMap:{value:null},alphaMapTransform:{value:new Qn},alphaTest:{value:0}}},va={basic:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.fog]),vertexShader:fa.meshbasic_vert,fragmentShader:fa.meshbasic_frag},lambert:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshlambert_vert,fragmentShader:fa.meshlambert_frag},phong:{uniforms:js([ga.common,ga.specularmap,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},specular:{value:new Zr(1118481)},shininess:{value:30}}]),vertexShader:fa.meshphong_vert,fragmentShader:fa.meshphong_frag},standard:{uniforms:js([ga.common,ga.envmap,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.roughnessmap,ga.metalnessmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag},toon:{uniforms:js([ga.common,ga.aomap,ga.lightmap,ga.emissivemap,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.gradientmap,ga.fog,ga.lights,{emissive:{value:new Zr(0)}}]),vertexShader:fa.meshtoon_vert,fragmentShader:fa.meshtoon_frag},matcap:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,ga.fog,{matcap:{value:null}}]),vertexShader:fa.meshmatcap_vert,fragmentShader:fa.meshmatcap_frag},points:{uniforms:js([ga.points,ga.fog]),vertexShader:fa.points_vert,fragmentShader:fa.points_frag},dashed:{uniforms:js([ga.common,ga.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:fa.linedashed_vert,fragmentShader:fa.linedashed_frag},depth:{uniforms:js([ga.common,ga.displacementmap]),vertexShader:fa.depth_vert,fragmentShader:fa.depth_frag},normal:{uniforms:js([ga.common,ga.bumpmap,ga.normalmap,ga.displacementmap,{opacity:{value:1}}]),vertexShader:fa.meshnormal_vert,fragmentShader:fa.meshnormal_frag},sprite:{uniforms:js([ga.sprite,ga.fog]),vertexShader:fa.sprite_vert,fragmentShader:fa.sprite_frag},background:{uniforms:{uvTransform:{value:new Qn},t2D:{value:null},backgroundIntensity:{value:1}},vertexShader:fa.background_vert,fragmentShader:fa.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0},backgroundIntensity:{value:1},backgroundRotation:{value:new Qn}},vertexShader:fa.backgroundCube_vert,fragmentShader:fa.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:fa.cube_vert,fragmentShader:fa.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:fa.equirect_vert,fragmentShader:fa.equirect_frag},distanceRGBA:{uniforms:js([ga.common,ga.displacementmap,{referencePosition:{value:new Pi},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:fa.distanceRGBA_vert,fragmentShader:fa.distanceRGBA_frag},shadow:{uniforms:js([ga.lights,ga.fog,{color:{value:new Zr(0)},opacity:{value:1}}]),vertexShader:fa.shadow_vert,fragmentShader:fa.shadow_frag}};va.physical={uniforms:js([va.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatMapTransform:{value:new Qn},clearcoatNormalMap:{value:null},clearcoatNormalMapTransform:{value:new Qn},clearcoatNormalScale:{value:new $n(1,1)},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatRoughnessMapTransform:{value:new Qn},dispersion:{value:0},iridescence:{value:0},iridescenceMap:{value:null},iridescenceMapTransform:{value:new Qn},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},iridescenceThicknessMapTransform:{value:new Qn},sheen:{value:0},sheenColor:{value:new Zr(0)},sheenColorMap:{value:null},sheenColorMapTransform:{value:new Qn},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},sheenRoughnessMapTransform:{value:new Qn},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new Qn},transmissionSamplerSize:{value:new $n},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new Qn},attenuationDistance:{value:0},attenuationColor:{value:new Zr(0)},specularColor:{value:new Zr(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new Qn},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new Qn},anisotropyVector:{value:new $n},anisotropyMap:{value:null},anisotropyMapTransform:{value:new Qn}}]),vertexShader:fa.meshphysical_vert,fragmentShader:fa.meshphysical_frag};const _a={r:0,b:0,g:0},xa=new gr,ya=new ar;function Ma(t,e,n,i,r,s,a){const o=new Zr(0);let l,c,h=!0===s?0:1,p=null,m=0,f=null;function g(t){let i=!0===t.isScene?t.background:null;if(i&&i.isTexture){i=(t.backgroundBlurriness>0?n:e).get(i)}return i}function v(e,n){e.getRGB(_a,qs(t)),i.buffers.color.setClear(_a.r,_a.g,_a.b,n,a)}return{getClearColor:function(){return o},setClearColor:function(t,e=1){o.set(t),h=e,v(o,h)},getClearAlpha:function(){return h},setClearAlpha:function(t){h=t,v(o,h)},render:function(e){let n=!1;const r=g(e);null===r?v(o,h):r&&r.isColor&&(v(r,1),n=!0);const s=t.xr.getEnvironmentBlendMode();"additive"===s?i.buffers.color.setClear(0,0,0,1,a):"alpha-blend"===s&&i.buffers.color.setClear(0,0,0,0,a),(t.autoClear||n)&&(i.buffers.depth.setTest(!0),i.buffers.depth.setMask(!0),i.buffers.color.setMask(!0),t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil))},addToRenderList:function(e,n){const i=g(n);i&&(i.isCubeTexture||i.mapping===dt)?(void 0===c&&(c=new Hs(new Ws(1,1,1),new Zs({name:"BackgroundCubeMaterial",uniforms:Xs(va.backgroundCube.uniforms),vertexShader:va.backgroundCube.vertexShader,fragmentShader:va.backgroundCube.fragmentShader,side:d,depthTest:!1,depthWrite:!1,fog:!1})),c.geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(c)),xa.copy(n.backgroundRotation),xa.x*=-1,xa.y*=-1,xa.z*=-1,i.isCubeTexture&&!1===i.isRenderTargetTexture&&(xa.y*=-1,xa.z*=-1),c.material.uniforms.envMap.value=i,c.material.uniforms.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,c.material.uniforms.backgroundBlurriness.value=n.backgroundBlurriness,c.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,c.material.uniforms.backgroundRotation.value.setFromMatrix4(ya.makeRotationFromEuler(xa)),c.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,p===i&&m===i.version&&f===t.toneMapping||(c.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),c.layers.enableAll(),e.unshift(c,c.geometry,c.material,0,0,null)):i&&i.isTexture&&(void 0===l&&(l=new Hs(new ma(2,2),new Zs({name:"BackgroundMaterial",uniforms:Xs(va.background.uniforms),vertexShader:va.background.vertexShader,fragmentShader:va.background.fragmentShader,side:u,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),Object.defineProperty(l.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(l)),l.material.uniforms.t2D.value=i,l.material.uniforms.backgroundIntensity.value=n.backgroundIntensity,l.material.toneMapped=di.getTransfer(i.colorSpace)!==Qe,!0===i.matrixAutoUpdate&&i.updateMatrix(),l.material.uniforms.uvTransform.value.copy(i.matrix),p===i&&m===i.version&&f===t.toneMapping||(l.material.needsUpdate=!0,p=i,m=i.version,f=t.toneMapping),l.layers.enableAll(),e.unshift(l,l.geometry,l.material,0,0,null))}}}function Sa(t,e){const n=t.getParameter(t.MAX_VERTEX_ATTRIBS),i={},r=c(null);let s=r,a=!1;function o(e){return t.bindVertexArray(e)}function l(e){return t.deleteVertexArray(e)}function c(t){const e=[],i=[],r=[];for(let t=0;t=0){const n=r[e];let 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l=!0===n.logarithmicDepthBuffer,c=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),h=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");r=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:s,textureFormatReadable:function(e){return e===kt||i.convert(e)===t.getParameter(t.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(n){const r=n===Ut&&(e.has("EXT_color_buffer_half_float")||e.has("EXT_color_buffer_float"));return!(n!==Et&&i.convert(n)!==t.getParameter(t.IMPLEMENTATION_COLOR_READ_TYPE)&&n!==Lt&&!r)},precision:a,logarithmicDepthBuffer:l,maxTextures:c,maxVertexTextures:h,maxTextureSize:t.getParameter(t.MAX_TEXTURE_SIZE),maxCubemapSize:t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:t.getParameter(t.MAX_VERTEX_ATTRIBS),maxVertexUniforms:t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:t.getParameter(t.MAX_VARYING_VECTORS),maxFragmentUniforms:t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),vertexTextures:h>0,maxSamples:t.getParameter(t.MAX_SAMPLES)}}function Ta(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new la,o=new Qn,l={value:null,needsUpdate:!1};function c(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length0);e.numPlanes=i,e.numIntersection=0}();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,o,e,h);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Ea(t){let e=new WeakMap;function n(t,e){return e===ht?t.mapping=lt:e===ut&&(t.mapping=ct),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(s===ht||s===ut){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new ra(s.height);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class Aa extends Js{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const Ra=[.125,.215,.35,.446,.526,.582],Ca=20,Pa=new Aa,Ia=new Zr;let La=null,Ua=0,Na=0,Da=!1;const Oa=(1+Math.sqrt(5))/2,Fa=1/Oa,Ba=[new Pi(-Oa,Fa,0),new Pi(Oa,Fa,0),new Pi(-Fa,0,Oa),new Pi(Fa,0,Oa),new Pi(0,Oa,-Fa),new Pi(0,Oa,Fa),new Pi(-1,1,-1),new Pi(1,1,-1),new Pi(-1,1,1),new Pi(1,1,1)];class za{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){La=this._renderer.getRenderTarget(),Ua=this._renderer.getActiveCubeFace(),Na=this._renderer.getActiveMipmapLevel(),Da=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ga(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Ha(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?o=Ra[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),_=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),_.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const y=new ws;y.setAttribute("position",new os(v,m)),y.setAttribute("uv",new os(_,f)),y.setAttribute("faceIndex",new os(x,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(Ca),r=new Pi(0,1,0),s=new Zs({name:"SphericalGaussianBlur",defines:{n:Ca,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wa(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(i,t,e)}return i}_compileMaterial(t){const e=new Hs(this._lodPlanes[0],t);this._renderer.compile(e,Pa)}_sceneToCubeUV(t,e,n,i){const r=new ta(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Ia),o.toneMapping=K,o.autoClear=!1;const h=new Qr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1}),u=new Hs(new Ws,h);let p=!1;const m=t.background;m?m.isColor&&(h.color.copy(m),t.background=null,p=!0):(h.color.copy(Ia),p=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Va(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),p&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=m}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===lt||t.mapping===ct;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ga()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Ha());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Hs(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Va(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Pa)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;eCa&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let 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xt={shaderID:w,shaderType:s.type,shaderName:s.name,vertexShader:A,fragmentShader:R,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:P,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,batchingColor:N&&null!==_._colorsTexture,instancing:U,instancingColor:U&&null!==_.instanceColor,instancingMorph:U&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===L?t.outputColorSpace:!0===L.isXRRenderTarget?L.texture.colorSpace:Ze,alphaToCoverage:!!s.alphaToCoverage,map:D,matcap:O,envMap:F,envMapMode:F&&S.mapping,envMapCubeUVHeight:b,aoMap:B,lightMap:z,bumpMap:k,normalMap:V,displacementMap:p&&H,emissiveMap:G,normalMapObjectSpace:V&&1===s.normalMapType,normalMapTangentSpace:V&&0===s.normalMapType,metalnessMap:W,roughnessMap:X,anisotropy:j,anisotropyMap:Q,clearcoat:q,clearcoatMap:tt,clearcoatNormalMap:et,clearcoatRoughnessMap:nt,dispersion:Y,iridescence:Z,iridescenceMap:it,iridescenceThicknessMap:rt,sheen:J,sheenColorMap:st,sheenRoughnessMap:at,specularMap:ot,specularColorMap:lt,specularIntensityMap:ct,transmission:$,transmissionMap:ht,thicknessMap:ut,gradientMap:pt,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:mt,alphaTest:ft,alphaHash:gt,combine:s.combine,mapUv:D&&g(s.map.channel),aoMapUv:B&&g(s.aoMap.channel),lightMapUv:z&&g(s.lightMap.channel),bumpMapUv:k&&g(s.bumpMap.channel),normalMapUv:V&&g(s.normalMap.channel),displacementMapUv:H&&g(s.displacementMap.channel),emissiveMapUv:G&&g(s.emissiveMap.channel),metalnessMapUv:W&&g(s.metalnessMap.channel),roughnessMapUv:X&&g(s.roughnessMap.channel),anisotropyMapUv:Q&&g(s.anisotropyMap.channel),clearcoatMapUv:tt&&g(s.clearcoatMap.channel),clearcoatNormalMapUv:et&&g(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&g(s.clearcoatRoughnessMap.channel),iridescenceMapUv:it&&g(s.iridescenceMap.channel),iridescenceThicknessMapUv:rt&&g(s.iridescenceThicknessMap.channel),sheenColorMapUv:st&&g(s.sheenColorMap.channel),sheenRoughnessMapUv:at&&g(s.sheenRoughnessMap.channel),specularMapUv:ot&&g(s.specularMap.channel),specularColorMapUv:lt&&g(s.specularColorMap.channel),specularIntensityMapUv:ct&&g(s.specularIntensityMap.channel),transmissionMapUv:ht&&g(s.transmissionMap.channel),thicknessMapUv:ut&&g(s.thicknessMap.channel),alphaMapUv:mt&&g(s.alphaMap.channel),vertexTangents:!!y.attributes.tangent&&(V||j),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!y.attributes.color&&4===y.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!y.attributes.uv&&(D||mt),fog:!!x,useFog:!0===s.fog,fogExp2:!!x&&x.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==y.morphAttributes.position,morphNormals:void 0!==y.morphAttributes.normal,morphColors:void 0!==y.morphAttributes.color,morphTargetsCount:E,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:_t,decodeVideoTexture:D&&!0===s.map.isVideoTexture&&di.getTransfer(s.map.colorSpace)===Qe,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:s.side===d,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:vt&&!0===s.extensions.clipCullDistance&&i.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(vt&&!0===s.extensions.multiDraw||N)&&i.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:i.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return xt.vertexUv1s=c.has(1),xt.vertexUv2s=c.has(2),xt.vertexUv3s=c.has(3),c.clear(),xt},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(n,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);e.dispersion&&o.enable(20);e.batchingColor&&o.enable(21);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.doubleSided&&o.enable(10);e.flipSided&&o.enable(11);e.useDepthPacking&&o.enable(12);e.dithering&&o.enable(13);e.transmission&&o.enable(14);e.sheen&&o.enable(15);e.opaque&&o.enable(16);e.pointsUvs&&o.enable(17);e.decodeVideoTexture&&o.enable(18);e.alphaToCoverage&&o.enable(19);t.push(o.mask)}(n,e),n.push(t.outputColorSpace)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=f[t.type];let n;if(e){const t=va[e];n=Ys.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)},finish:function(){for(let n=e,i=t.length;n1&&n.sort(t||Rl),i.length>1&&i.sort(e||Cl),r.length>1&&r.sort(e||Cl)}}}function Il(){let t=new WeakMap;return{get:function(e,n){const i=t.get(e);let r;return void 0===i?(r=new Pl,t.set(e,[r])):n>=i.length?(r=new Pl,i.push(r)):r=i[n],r},dispose:function(){t=new WeakMap}}}function Ll(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Pi,color:new Zr};break;case"SpotLight":n={position:new Pi,direction:new Pi,color:new Zr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Pi,color:new Zr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Pi,skyColor:new Zr,groundColor:new Zr};break;case"RectAreaLight":n={color:new Zr,position:new Pi,halfWidth:new Pi,halfHeight:new Pi}}return t[e.id]=n,n}}}let Ul=0;function Nl(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Dl(t){const e=new Ll,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n};break;case"PointLight":n={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $n,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)i.probe.push(new Pi);const r=new Pi,s=new ar,a=new ar;return{setup:function(r){let s=0,a=0,o=0;for(let t=0;t<9;t++)i.probe[t].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,_=0;r.sort(Nl);for(let t=0,x=r.length;t0&&(!0===t.has("OES_texture_float_linear")?(i.rectAreaLTC1=ga.LTC_FLOAT_1,i.rectAreaLTC2=ga.LTC_FLOAT_2):(i.rectAreaLTC1=ga.LTC_HALF_1,i.rectAreaLTC2=ga.LTC_HALF_2)),i.ambient[0]=s,i.ambient[1]=a,i.ambient[2]=o;const x=i.hash;x.directionalLength===l&&x.pointLength===c&&x.spotLength===h&&x.rectAreaLength===u&&x.hemiLength===d&&x.numDirectionalShadows===p&&x.numPointShadows===m&&x.numSpotShadows===f&&x.numSpotMaps===g&&x.numLightProbes===_||(i.directional.length=l,i.spot.length=h,i.rectArea.length=u,i.point.length=c,i.hemi.length=d,i.directionalShadow.length=p,i.directionalShadowMap.length=p,i.pointShadow.length=m,i.pointShadowMap.length=m,i.spotShadow.length=f,i.spotShadowMap.length=f,i.directionalShadowMatrix.length=p,i.pointShadowMatrix.length=m,i.spotLightMatrix.length=f+g-v,i.spotLightMap.length=g,i.numSpotLightShadowsWithMaps=v,i.numLightProbes=_,x.directionalLength=l,x.pointLength=c,x.spotLength=h,x.rectAreaLength=u,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=m,x.numSpotShadows=f,x.numSpotMaps=g,x.numLightProbes=_,i.version=Ul++)},setupView:function(t,e){let n=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=r.length?(s=new Ol(t),r.push(s)):s=r[i],s},dispose:function(){e=new WeakMap}}}class Bl extends $r{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zl extends $r{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function kl(t,e,n){let i=new ua;const r=new $n,s=new $n,a=new Si,o=new Bl({depthPacking:3201}),c=new zl,p={},m=n.maxTextureSize,f={[u]:d,[d]:u,2:2},g=new Zs({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new $n},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=g.clone();v.defines.HORIZONTAL_PASS=1;const _=new ws;_.setAttribute("position",new os(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const x=new Hs(_,g),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=l;let M=this.type;function S(n,i){const s=e.update(x);g.defines.VSM_SAMPLES!==n.blurSamples&&(g.defines.VSM_SAMPLES=n.blurSamples,v.defines.VSM_SAMPLES=n.blurSamples,g.needsUpdate=!0,v.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new wi(r.x,r.y)),g.uniforms.shadow_pass.value=n.map.texture,g.uniforms.resolution.value=n.mapSize,g.uniforms.radius.value=n.radius,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,s,g,x,null),v.uniforms.shadow_pass.value=n.mapPass.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,s,v,x,null)}function b(e,n,i,r){let s=null;const a=!0===i.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==a)s=a;else if(s=!0===i.isPointLight?c:o,t.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const t=s.uuid,e=n.uuid;let i=p[t];void 0===i&&(i={},p[t]=i);let r=i[e];void 0===r&&(r=s.clone(),i[e]=r,n.addEventListener("dispose",T)),s=r}if(s.visible=n.visible,s.wireframe=n.wireframe,s.side=r===h?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:f[n.side],s.alphaMap=n.alphaMap,s.alphaTest=n.alphaTest,s.map=n.map,s.clipShadows=n.clipShadows,s.clippingPlanes=n.clippingPlanes,s.clipIntersection=n.clipIntersection,s.displacementMap=n.displacementMap,s.displacementScale=n.displacementScale,s.displacementBias=n.displacementBias,s.wireframeLinewidth=n.wireframeLinewidth,s.linewidth=n.linewidth,!0===i.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=i}return s}function w(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===h)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),l=n.material;if(Array.isArray(l)){const e=i.groups;for(let c=0,h=e.length;cm||r.y>m)&&(r.x>m&&(s.x=Math.floor(m/g.x),r.x=s.x*g.x,u.mapSize.x=s.x),r.y>m&&(s.y=Math.floor(m/g.y),r.y=s.y*g.y,u.mapSize.y=s.y)),null===u.map||!0===p||!0===f){const t=this.type!==h?{minFilter:gt,magFilter:gt}:{};null!==u.map&&u.map.dispose(),u.map=new wi(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const v=u.getViewportCount();for(let t=0;t=1):-1!==N.indexOf("OpenGL ES")&&(U=parseFloat(/^OpenGL ES (\d)/.exec(N)[1]),L=U>=2);let D=null,O={};const F=t.getParameter(t.SCISSOR_BOX),B=t.getParameter(t.VIEWPORT),z=(new Si).fromArray(F),k=(new Si).fromArray(B);function V(e,n,i,r){const s=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.NEAREST);for(let a=0;ae?(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t},cover:function(t,e){const n=t.image&&t.image.width?t.image.width/t.image.height:1;return n>e?(t.repeat.x=e/n,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=n/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t},fill:function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t},getByteLength:Hl};function Wl(t,e,n,i,r,s,a){const o=e.has("WEBGL_multisampled_render_to_texture")?e.get("WEBGL_multisampled_render_to_texture"):null,l="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),c=new $n,h=new WeakMap;let u;const d=new WeakMap;let p=!1;try{p="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(t){}function m(t,e){return p?new OffscreenCanvas(t,e):ri("canvas")}function f(t,e,n){let i=1;const r=k(t);if((r.width>n||r.height>n)&&(i=n/Math.max(r.width,r.height)),i<1){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&t instanceof VideoFrame){const n=Math.floor(i*r.width),s=Math.floor(i*r.height);void 0===u&&(u=m(n,s));const a=e?m(n,s):u;a.width=n,a.height=s;return a.getContext("2d").drawImage(t,0,0,n,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+n+"x"+s+")."),a}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),t}return t}function g(t){return t.generateMipmaps&&t.minFilter!==gt&&t.minFilter!==Mt}function v(e){t.generateMipmap(e)}function _(n,i,r,s,a=!1){if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format 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o!==t.R16F&&o!==t.R32F&&o!==t.RG16F&&o!==t.RG32F&&o!==t.RGBA16F&&o!==t.RGBA32F||e.get("EXT_color_buffer_float"),o}function x(e,n){let i;return e?null===n||n===It||n===Ot?i=t.DEPTH24_STENCIL8:n===Lt?i=t.DEPTH32F_STENCIL8:n===Ct&&(i=t.DEPTH24_STENCIL8,console.warn("DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.")):null===n||n===It||n===Ot?i=t.DEPTH_COMPONENT24:n===Lt?i=t.DEPTH_COMPONENT32F:n===Ct&&(i=t.DEPTH_COMPONENT16),i}function y(t,e){return!0===g(t)||t.isFramebufferTexture&&t.minFilter!==gt&&t.minFilter!==Mt?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function M(t){const e=t.target;e.removeEventListener("dispose",M),function(t){const e=i.get(t);if(void 0===e.__webglInit)return;const n=t.source,r=d.get(n);if(r){const i=r[e.__cacheKey];i.usedTimes--,0===i.usedTimes&&b(t),0===Object.keys(r).length&&d.delete(n)}i.remove(t)}(e),e.isVideoTexture&&h.delete(e)}function S(e){const n=e.target;n.removeEventListener("dispose",S),function(e){const n=i.get(e);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++){if(Array.isArray(n.__webglFramebuffer[e]))for(let i=0;i0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void I(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const E={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[ft]:t.MIRRORED_REPEAT},A={[gt]:t.NEAREST,[vt]:t.NEAREST_MIPMAP_NEAREST,[xt]:t.NEAREST_MIPMAP_LINEAR,[Mt]:t.LINEAR,[St]:t.LINEAR_MIPMAP_NEAREST,[wt]:t.LINEAR_MIPMAP_LINEAR},R={512:t.NEVER,519:t.ALWAYS,513:t.LESS,[Sn]:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL};function C(n,s){if(s.type!==Lt||!1!==e.has("OES_texture_float_linear")||s.magFilter!==Mt&&s.magFilter!==St&&s.magFilter!==xt&&s.magFilter!==wt&&s.minFilter!==Mt&&s.minFilter!==St&&s.minFilter!==xt&&s.minFilter!==wt||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),t.texParameteri(n,t.TEXTURE_WRAP_S,E[s.wrapS]),t.texParameteri(n,t.TEXTURE_WRAP_T,E[s.wrapT]),n!==t.TEXTURE_3D&&n!==t.TEXTURE_2D_ARRAY||t.texParameteri(n,t.TEXTURE_WRAP_R,E[s.wrapR]),t.texParameteri(n,t.TEXTURE_MAG_FILTER,A[s.magFilter]),t.texParameteri(n,t.TEXTURE_MIN_FILTER,A[s.minFilter]),s.compareFunction&&(t.texParameteri(n,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(n,t.TEXTURE_COMPARE_FUNC,R[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){if(s.magFilter===gt)return;if(s.minFilter!==xt&&s.minFilter!==wt)return;if(s.type===Lt&&!1===e.has("OES_texture_float_linear"))return;if(s.anisotropy>1||i.get(s).__currentAnisotropy){const a=e.get("EXT_texture_filter_anisotropic");t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy}}}function P(e,n){let i=!1;void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",M));const r=n.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(n);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,i=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&b(n)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return i}function I(e,a,o){let l=t.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=t.TEXTURE_3D);const c=P(e,a),h=a.source;n.bindTexture(l,e.__webglTexture,t.TEXTURE0+o);const u=i.get(h);if(h.version!==u.__version||!0===c){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),d=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);let p=f(a.image,!1,r.maxTextureSize);p=z(a,p);const m=s.convert(a.format,a.colorSpace),M=s.convert(a.type);let S,b=_(a.internalFormat,m,M,a.colorSpace,a.isVideoTexture);C(l,a);const w=a.mipmaps,T=!0!==a.isVideoTexture,E=void 0===u.__version||!0===c,A=h.dataReady,R=y(a,p);if(a.isDepthTexture)b=x(a.format===Wt,a.type),E&&(T?n.texStorage2D(t.TEXTURE_2D,1,b,p.width,p.height):n.texImage2D(t.TEXTURE_2D,0,b,p.width,p.height,0,m,M,null));else if(a.isDataTexture)if(w.length>0){T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const i=Hl(S.width,S.height,a.format,a.type);for(const r of a.layerUpdates){const s=S.data.subarray(r*i/S.data.BYTES_PER_ELEMENT,(r+1)*i/S.data.BYTES_PER_ELEMENT);n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,r,S.width,S.height,1,m,s,0,0)}a.clearLayerUpdates()}else n.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,S.data,0,0)}else n.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,S.data,0,0);else console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");else T?A&&n.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,S.width,S.height,p.depth,m,M,S.data):n.texImage3D(t.TEXTURE_2D_ARRAY,e,b,S.width,S.height,p.depth,0,m,M,S.data)}else{T&&E&&n.texStorage2D(t.TEXTURE_2D,R,b,w[0].width,w[0].height);for(let e=0,i=w.length;e0){const e=Hl(p.width,p.height,a.format,a.type);for(const i of a.layerUpdates){const r=p.data.subarray(i*e/p.data.BYTES_PER_ELEMENT,(i+1)*e/p.data.BYTES_PER_ELEMENT);n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,i,p.width,p.height,1,m,M,r)}a.clearLayerUpdates()}else n.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)}else n.texImage3D(t.TEXTURE_2D_ARRAY,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isData3DTexture)T?(E&&n.texStorage3D(t.TEXTURE_3D,R,b,p.width,p.height,p.depth),A&&n.texSubImage3D(t.TEXTURE_3D,0,0,0,0,p.width,p.height,p.depth,m,M,p.data)):n.texImage3D(t.TEXTURE_3D,0,b,p.width,p.height,p.depth,0,m,M,p.data);else if(a.isFramebufferTexture){if(E)if(T)n.texStorage2D(t.TEXTURE_2D,R,b,p.width,p.height);else{let e=p.width,i=p.height;for(let r=0;r>=1,i>>=1}}else if(w.length>0){if(T&&E){const e=k(w[0]);n.texStorage2D(t.TEXTURE_2D,R,b,e.width,e.height)}for(let e=0,i=w.length;e>h),i=Math.max(1,r.height>>h);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?n.texImage3D(c,h,p,e,i,r.depth,0,u,d,null):n.texImage2D(c,h,p,e,i,0,u,d,null)}n.bindFramebuffer(t.FRAMEBUFFER,e),B(r)?o.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,0,F(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,l,c,i.get(a).__webglTexture,h),n.bindFramebuffer(t.FRAMEBUFFER,null)}function U(e,n,i){if(t.bindRenderbuffer(t.RENDERBUFFER,e),n.depthBuffer){const r=n.depthTexture,s=r&&r.isDepthTexture?r.type:null,a=x(n.stencilBuffer,s),l=n.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,c=F(n);B(n)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,c,a,n.width,n.height):i?t.renderbufferStorageMultisample(t.RENDERBUFFER,c,a,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,a,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,l,t.RENDERBUFFER,e)}else{const e=n.textures;for(let r=0;r0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function z(t,e){const n=t.colorSpace,i=t.format,r=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||n!==Ze&&n!==qe&&(di.getTransfer(n)===Qe?i===kt&&r===Et||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",n)),e}function k(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(c.width=t.naturalWidth||t.width,c.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(c.width=t.displayWidth,c.height=t.displayHeight):(c.width=t.width,c.height=t.height),c}this.allocateTextureUnit=function(){const t=w;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+r.maxTextures),w+=1,t},this.resetTextureUnits=function(){w=0},this.setTexture2D=T,this.setTexture2DArray=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=i.get(e);e.version>0&&s.__version!==e.version?I(s,e,r):n.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,a){const o=i.get(e);e.version>0&&o.__version!==e.version?function(e,a,o){if(6!==a.image.length)return;const l=P(e,a),c=a.source;n.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+o);const h=i.get(c);if(c.version!==h.__version||!0===l){n.activeTexture(t.TEXTURE0+o);const e=di.getPrimaries(di.workingColorSpace),i=a.colorSpace===qe?null:di.getPrimaries(a.colorSpace),u=a.colorSpace===qe||e===i?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const d=a.isCompressedTexture||a.image[0].isCompressedTexture,p=a.image[0]&&a.image[0].isDataTexture,m=[];for(let t=0;t<6;t++)m[t]=d||p?p?a.image[t].image:a.image[t]:f(a.image[t],!0,r.maxCubemapSize),m[t]=z(a,m[t]);const x=m[0],M=s.convert(a.format,a.colorSpace),S=s.convert(a.type),b=_(a.internalFormat,M,S,a.colorSpace),w=!0!==a.isVideoTexture,T=void 0===h.__version||!0===l,E=c.dataReady;let A,R=y(a,x);if(C(t.TEXTURE_CUBE_MAP,a),d){w&&T&&n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,x.width,x.height);for(let e=0;e<6;e++){A=m[e].mipmaps;for(let i=0;i0&&R++;const e=k(m[0]);n.texStorage2D(t.TEXTURE_CUBE_MAP,R,b,e.width,e.height)}for(let e=0;e<6;e++)if(p){w?E&&n.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,m[e].width,m[e].height,M,S,m[e].data):n.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,b,m[e].width,m[e].height,0,M,S,m[e].data);for(let i=0;i1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let n=0;n0){o.__webglFramebuffer=[];for(let e=0;e0&&!1===B(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0)if(!1===B(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=r.length>1;if(u)for(let e=0;eo+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Yl)))}return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new ql;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Jl{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,n){if(null===this.texture){const i=new Mi;t.properties.get(i).__webglTexture=e.texture,e.depthNear==n.depthNear&&e.depthFar==n.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=i}}getMesh(t){if(null!==this.texture&&null===this.mesh){const e=t.cameras[0].viewport,n=new Zs({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:e.z},depthHeight:{value:e.w}}});this.mesh=new Hs(new ma(20,20),n)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kl extends kn{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const m=new Jl,f=e.getContextAttributes();let g=null,v=null;const _=[],x=[],y=new $n;let M=null;const S=new ta;S.layers.enable(1),S.viewport=new Si;const b=new ta;b.layers.enable(2),b.viewport=new Si;const w=[S,b],T=new jl;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function R(t){const e=x.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||s),n.dispatchEvent({type:t.type,data:t.inputSource}))}function C(){i.removeEventListener("select",R),i.removeEventListener("selectstart",R),i.removeEventListener("selectend",R),i.removeEventListener("squeeze",R),i.removeEventListener("squeezestart",R),i.removeEventListener("squeezeend",R),i.removeEventListener("end",C),i.removeEventListener("inputsourceschange",P);for(let t=0;t<_.length;t++){const e=x[t];null!==e&&(x[t]=null,_[t].disconnect(e))}E=null,A=null,m.reset(),t.setRenderTarget(g),d=null,u=null,h=null,i=null,v=null,D.stop(),n.isPresenting=!1,t.setPixelRatio(M),t.setSize(y.width,y.height,!1),n.dispatchEvent({type:"sessionend"})}function P(t){for(let e=0;e=0&&(x[i]=null,_[i].disconnect(n))}for(let e=0;e=x.length){x.push(n),i=t;break}if(null===x[t]){x[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new Zl,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(g=t.getRenderTarget(),i.addEventListener("select",R),i.addEventListener("selectstart",R),i.addEventListener("selectend",R),i.addEventListener("squeeze",R),i.addEventListener("squeezestart",R),i.addEventListener("squeezeend",R),i.addEventListener("end",C),i.addEventListener("inputsourceschange",P),!0!==f.xrCompatible&&await e.makeXRCompatible(),M=t.getPixelRatio(),t.getSize(y),void 0===i.renderState.layers){const n={antialias:f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),v=new wi(d.framebufferWidth,d.framebufferHeight,{format:kt,type:Et,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,s=null,a=null;f.depth&&(a=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Wt:Gt,s=f.stencil?Ot:It);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),v=new wi(u.textureWidth,u.textureHeight,{format:kt,type:Et,depthTexture:new $a(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues})}v.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await i.requestReferenceSpace(a),D.setContext(i),D.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode},this.getDepthTexture=function(){return m.getDepthTexture()};const I=new Pi,L=new Pi;function U(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;null!==m.texture&&(t.near=m.depthNear,t.far=m.depthFar),T.near=b.near=S.near=t.near,T.far=b.far=S.far=t.far,E===T.near&&A===T.far||(i.updateRenderState({depthNear:T.near,depthFar:T.far}),E=T.near,A=T.far,S.near=E,S.far=A,b.near=E,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,n=T.cameras;U(T,e);for(let t=0;t0&&(t.alphaTest.value=i.alphaTest);const r=e.get(i),s=r.envMap,a=r.envMapRotation;s&&(t.envMap.value=s,$l.copy(a),$l.x*=-1,$l.y*=-1,$l.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&($l.y*=-1,$l.z*=-1),t.envMapRotation.value.setFromMatrix4(Ql.makeRotationFromEuler($l)),t.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,t.reflectivity.value=i.reflectivity,t.ior.value=i.ior,t.refractionRatio.value=i.refractionRatio),i.lightMap&&(t.lightMap.value=i.lightMap,t.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,t.lightMapTransform)),i.aoMap&&(t.aoMap.value=i.aoMap,t.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,t.aoMapTransform))}return{refreshFogUniforms:function(e,n){n.color.getRGB(e.fogColor.value,qs(t)),n.isFog?(e.fogNear.value=n.near,e.fogFar.value=n.far):n.isFogExp2&&(e.fogDensity.value=n.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?i(t,r):r.isMeshToonMaterial?(i(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(i(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(i(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,n(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,n(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===d&&t.clearcoatNormalScale.value.negate()));e.dispersion>0&&(t.dispersion.value=e.dispersion);e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(i(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?i(t,r):r.isMeshDistanceMaterial?(i(t,r),function(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?i(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function ec(t,e,n,i){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,n,i){const r=t.value,s=e+"_"+n;if(void 0===i[s])return i[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=i[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return i[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const n=e.target;n.removeEventListener("dispose",h);const i=a.indexOf(n.__bindingPointIndex);a.splice(i,1),t.deleteBuffer(r[n.id]),delete r[n.id],delete s[n.id]}return{bind:function(t,e){const n=e.program;i.uniformBlockBinding(t,n)},update:function(n,u){let d=r[n.id];void 0===d&&(!function(t){const e=t.uniforms;let n=0;const i=16;for(let t=0,r=e.length;t0&&(n+=i-r);t.__size=n,t.__cache={}}(n),d=function(e){const n=function(){for(let t=0;t0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let m=K;i.toneMapped&&(null!==T&&!0!==T.isXRRenderTarget||(m=M.toneMapping));const f=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==f?f.length:0,v=et.get(i),x=_.state.lights;if(!0===H&&(!0===G||t!==A)){const e=t===A&&i.id===E;dt.setState(i,t,e)}let y=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==x.state.version||v.outputColorSpace!==o||r.isBatchedMesh&&!1===v.batching?y=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?y=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?y=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==l||!0===i.fog&&v.fog!==s?y=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===dt.numPlanes&&v.numIntersection===dt.numIntersection?(v.vertexAlphas!==c||v.vertexTangents!==h||v.morphTargets!==u||v.morphNormals!==d||v.morphColors!==p||v.toneMapping!==m||v.morphTargetsCount!==g)&&(y=!0):y=!0:y=!0:y=!0:y=!0:(y=!0,v.__version=i.version);let S=v.currentProgram;!0===y&&(S=Zt(i,e,r));let b=!1,w=!1,R=!1;const C=S.getUniforms(),P=v.uniforms;Q.useProgram(S.program)&&(b=!0,w=!0,R=!0);i.id!==E&&(E=i.id,w=!0);if(b||A!==t){C.setValue(Mt,"projectionMatrix",t.projectionMatrix),C.setValue(Mt,"viewMatrix",t.matrixWorldInverse);const e=C.map.cameraPosition;void 0!==e&&e.setValue(Mt,X.setFromMatrixPosition(t.matrixWorld)),$.logarithmicDepthBuffer&&C.setValue(Mt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Mt,"isOrthographic",!0===t.isOrthographicCamera),A!==t&&(A=t,w=!0,R=!0)}if(r.isSkinnedMesh){C.setOptional(Mt,r,"bindMatrix"),C.setOptional(Mt,r,"bindMatrixInverse");const t=r.skeleton;t&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(Mt,"boneTexture",t.boneTexture,nt))}r.isBatchedMesh&&(C.setOptional(Mt,r,"batchingTexture"),C.setValue(Mt,"batchingTexture",r._matricesTexture,nt),C.setOptional(Mt,r,"batchingIdTexture"),C.setValue(Mt,"batchingIdTexture",r._indirectTexture,nt),C.setOptional(Mt,r,"batchingColorTexture"),null!==r._colorsTexture&&C.setValue(Mt,"batchingColorTexture",r._colorsTexture,nt));const I=n.morphAttributes;void 0===I.position&&void 0===I.normal&&void 0===I.color||ft.update(r,n,S);(w||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,C.setValue(Mt,"receiveShadow",r.receiveShadow));i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1);i.isMeshStandardMaterial&&null===i.envMap&&null!==e.environment&&(P.envMapIntensity.value=e.environmentIntensity);w&&(C.setValue(Mt,"toneMappingExposure",M.toneMappingExposure),v.needsLights&&(U=R,(L=P).ambientLightColor.needsUpdate=U,L.lightProbe.needsUpdate=U,L.directionalLights.needsUpdate=U,L.directionalLightShadows.needsUpdate=U,L.pointLights.needsUpdate=U,L.pointLightShadows.needsUpdate=U,L.spotLights.needsUpdate=U,L.spotLightShadows.needsUpdate=U,L.rectAreaLights.needsUpdate=U,L.hemisphereLights.needsUpdate=U),s&&!0===i.fog&&ct.refreshFogUniforms(P,s),ct.refreshMaterialUniforms(P,i,D,N,_.state.transmissionRenderTarget[t.id]),rl.upload(Mt,Kt(v),P,nt));var L,U;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(rl.upload(Mt,Kt(v),P,nt),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&C.setValue(Mt,"center",r.center);if(C.setValue(Mt,"modelViewMatrix",r.modelViewMatrix),C.setValue(Mt,"normalMatrix",r.normalMatrix),C.setValue(Mt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e{function n(){i.forEach((function(t){et.get(t).currentProgram.isReady()&&i.delete(t)})),0!==i.size?setTimeout(n,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)}))};let Bt=null;function zt(){Vt.stop()}function kt(){Vt.start()}const Vt=new da;function Ht(t,e,n,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||V.intersectsSprite(t)){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(W);const e=ot.update(t),r=t.material;r.visible&&v.push(t,e,r,n,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||V.intersectsObject(t))){const e=ot.update(t),r=t.material;if(i&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(W)),Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s0&&Xt(r,e,n),s.length>0&&Xt(s,e,n),a.length>0&&Xt(a,e,n),Q.buffers.depth.setTest(!0),Q.buffers.depth.setMask(!0),Q.buffers.color.setMask(!0),Q.setPolygonOffset(!1)}function Wt(t,e,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;void 0===_.state.transmissionRenderTarget[i.id]&&(_.state.transmissionRenderTarget[i.id]=new wi(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?Ut:Et,minFilter:wt,samples:4,stencilBuffer:s,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:di.workingColorSpace}));const r=_.state.transmissionRenderTarget[i.id],a=i.viewport||R;r.setSize(a.z,a.w);const o=M.getRenderTarget();M.setRenderTarget(r),M.getClearColor(I),L=M.getClearAlpha(),L<1&&M.setClearColor(16777215,.5),Y?mt.render(n):M.clear();const l=M.toneMapping;M.toneMapping=K;const c=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),_.setupLightsView(i),!0===H&&dt.setGlobalState(M.clippingPlanes,i),Xt(t,n,i),nt.updateMultisampleRenderTarget(r),nt.updateRenderTargetMipmap(r),!1===J.has("WEBGL_multisampled_render_to_texture")){let t=!1;for(let r=0,s=e.length;r0)for(let e=0,s=n.length;e0&&Wt(i,r,t,e),Y&&mt.render(t),Gt(v,t,e);null!==T&&(nt.updateMultisampleRenderTarget(T),nt.updateRenderTargetMipmap(T)),!0===t.isScene&&t.onAfterRender(M,t,e),xt.resetDefaultState(),E=-1,A=null,y.pop(),y.length>0?(_=y[y.length-1],!0===H&&dt.setGlobalState(M.clippingPlanes,_.state.camera)):_=null,x.pop(),v=x.length>0?x[x.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return w},this.getRenderTarget=function(){return T},this.setRenderTargetTextures=function(t,e,n){et.get(t.texture).__webglTexture=e,et.get(t.depthTexture).__webglTexture=n;const i=et.get(t);i.__hasExternalTextures=!0,i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const n=et.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){T=t,b=e,w=n;let i=!0,r=null,s=!1,a=!1;if(t){const o=et.get(t);void 0!==o.__useDefaultFramebuffer?(Q.bindFramebuffer(Mt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?nt.setupRenderTarget(t):o.__hasExternalTextures&&nt.rebindTextures(t,et.get(t.texture).__webglTexture,et.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=et.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],s=!0):r=t.samples>0&&!1===nt.useMultisampledRTT(t)?et.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,R.copy(t.viewport),C.copy(t.scissor),P=t.scissorTest}else R.copy(B).multiplyScalar(D).floor(),C.copy(z).multiplyScalar(D).floor(),P=k;if(Q.bindFramebuffer(Mt.FRAMEBUFFER,r)&&i&&Q.drawBuffers(t,r),Q.viewport(R),Q.scissor(C),Q.setScissorTest(P),s){const i=et.get(t.texture);Mt.framebufferTexture2D(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,Mt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(a){const i=et.get(t.texture),r=e||0;Mt.framebufferTextureLayer(Mt.FRAMEBUFFER,Mt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}E=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),s)}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.readRenderTargetPixelsAsync=async function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=et.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Q.bindFramebuffer(Mt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(!$.textureFormatReadable(o))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!$.textureTypeReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r){const t=Mt.createBuffer();Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.bufferData(Mt.PIXEL_PACK_BUFFER,s.byteLength,Mt.STREAM_READ),Mt.readPixels(e,n,i,r,_t.convert(o),_t.convert(l),0),Mt.flush();const a=Mt.fenceSync(Mt.SYNC_GPU_COMMANDS_COMPLETE,0);await function(t,e,n){return new Promise((function(i,r){setTimeout((function s(){switch(t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0)){case t.WAIT_FAILED:r();break;case t.TIMEOUT_EXPIRED:setTimeout(s,n);break;default:i()}}),n)}))}(Mt,a,4);try{Mt.bindBuffer(Mt.PIXEL_PACK_BUFFER,t),Mt.getBufferSubData(Mt.PIXEL_PACK_BUFFER,0,s)}finally{Mt.deleteBuffer(t),Mt.deleteSync(a)}return s}}finally{const t=null!==T?et.get(T).__webglFramebuffer:null;Q.bindFramebuffer(Mt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e=null,n=0){!0!==t.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),e=arguments[0]||null,t=arguments[1]);const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),s=Math.floor(t.image.height*i),a=null!==e?e.x:0,o=null!==e?e.y:0;nt.setTexture2D(t,0),Mt.copyTexSubImage2D(Mt.TEXTURE_2D,n,0,0,a,o,r,s),Q.unbindTexture()},this.copyTextureToTexture=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),i=arguments[0]||null,t=arguments[1],e=arguments[2],r=arguments[3]||0,n=null),null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.min.x,l=n.min.y):(s=t.image.width,a=t.image.height,o=0,l=0),null!==i?(c=i.x,h=i.y):(c=0,h=0);const u=_t.convert(e.format),d=_t.convert(e.type);nt.setTexture2D(e,0),Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const p=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),m=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),f=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),g=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),v=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES),_=t.isCompressedTexture?t.mipmaps[r]:t.image;Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,_.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,o),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,l),t.isDataTexture?Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_.data):t.isCompressedTexture?Mt.compressedTexSubImage2D(Mt.TEXTURE_2D,r,c,h,_.width,_.height,u,_.data):Mt.texSubImage2D(Mt.TEXTURE_2D,r,c,h,s,a,u,d,_),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,p),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,f),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,g),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,v),0===r&&e.generateMipmaps&&Mt.generateMipmap(Mt.TEXTURE_2D),Q.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n=null,i=null,r=0){let s,a,o,l,c,h,u,d,p;!0!==t.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),n=arguments[0]||null,i=arguments[1]||null,t=arguments[2],e=arguments[3],r=arguments[4]||0);const m=t.isCompressedTexture?t.mipmaps[r]:t.image;null!==n?(s=n.max.x-n.min.x,a=n.max.y-n.min.y,o=n.max.z-n.min.z,l=n.min.x,c=n.min.y,h=n.min.z):(s=m.width,a=m.height,o=m.depth,l=0,c=0,h=0),null!==i?(u=i.x,d=i.y,p=i.z):(u=0,d=0,p=0);const f=_t.convert(e.format),g=_t.convert(e.type);let v;if(e.isData3DTexture)nt.setTexture3D(e,0),v=Mt.TEXTURE_3D;else{if(!e.isDataArrayTexture&&!e.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");nt.setTexture2DArray(e,0),v=Mt.TEXTURE_2D_ARRAY}Mt.pixelStorei(Mt.UNPACK_FLIP_Y_WEBGL,e.flipY),Mt.pixelStorei(Mt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Mt.pixelStorei(Mt.UNPACK_ALIGNMENT,e.unpackAlignment);const _=Mt.getParameter(Mt.UNPACK_ROW_LENGTH),x=Mt.getParameter(Mt.UNPACK_IMAGE_HEIGHT),y=Mt.getParameter(Mt.UNPACK_SKIP_PIXELS),M=Mt.getParameter(Mt.UNPACK_SKIP_ROWS),S=Mt.getParameter(Mt.UNPACK_SKIP_IMAGES);Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,m.width),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,m.height),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,l),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,c),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,h),t.isDataTexture||t.isData3DTexture?Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m.data):e.isCompressedArrayTexture?Mt.compressedTexSubImage3D(v,r,u,d,p,s,a,o,f,m.data):Mt.texSubImage3D(v,r,u,d,p,s,a,o,f,g,m),Mt.pixelStorei(Mt.UNPACK_ROW_LENGTH,_),Mt.pixelStorei(Mt.UNPACK_IMAGE_HEIGHT,x),Mt.pixelStorei(Mt.UNPACK_SKIP_PIXELS,y),Mt.pixelStorei(Mt.UNPACK_SKIP_ROWS,M),Mt.pixelStorei(Mt.UNPACK_SKIP_IMAGES,S),0===r&&e.generateMipmaps&&Mt.generateMipmap(v),Q.unbindTexture()},this.initRenderTarget=function(t){void 0===et.get(t).__webglFramebuffer&&nt.setupRenderTarget(t)},this.initTexture=function(t){t.isCubeTexture?nt.setTextureCube(t,0):t.isData3DTexture?nt.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?nt.setTexture2DArray(t,0):nt.setTexture2D(t,0),Q.unbindTexture()},this.resetState=function(){b=0,w=0,T=null,Q.reset(),xt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Bn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Je?"display-p3":"srgb",e.unpackColorSpace=di.workingColorSpace===Ke?"display-p3":"srgb"}}class ic{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Zr(t),this.density=e}clone(){return new ic(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class rc{constructor(t,e=1,n=1e3){this.isFog=!0,this.name="",this.color=new Zr(t),this.near=e,this.far=n}clone(){return new rc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class sc extends Ur{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new gr,this.environmentIntensity=1,this.environmentRotation=new gr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ac{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=An,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=Xn()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return oi("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:uc.clone(),uv:Wr.getInterpolation(uc,vc,_c,xc,yc,Mc,Sc,new $n),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wc(t,e,n,i,r,s){mc.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(fc.x=s*mc.x-r*mc.y,fc.y=r*mc.x+s*mc.y):fc.copy(mc),t.copy(e),t.x+=fc.x,t.y+=fc.y,t.applyMatrix4(gc)}const Tc=new Pi,Ec=new Pi;class Ac extends Ur{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,n=e.length;t0){let n,i;for(n=1,i=e.length;n0){Tc.setFromMatrixPosition(this.matrixWorld);const n=t.ray.origin.distanceTo(Tc);this.getObjectForDistance(n).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){Tc.setFromMatrixPosition(t.matrixWorld),Ec.setFromMatrixPosition(this.matrixWorld);const n=Tc.distanceTo(Ec)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const s=i[this.index];r.push(s),this.index++,s.start=t.start,s.count=t.count,s.z=e,s.index=n}reset(){this.list.length=0,this.index=0}}const eh=new ar,nh=new ar,ih=new ar,rh=new Zr(1,1,1),sh=new ar,ah=new ua,oh=new Ui,lh=new Ki,ch=new Pi,hh=new Pi,uh=new Pi,dh=new th,ph=new Hs,mh=[];function fh(t,e,n=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let s=0;s65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new os(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const n in e.attributes){if(!t.hasAttribute(n))throw new Error(`BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Ui);const t=this._geometryCount,e=this.boundingBox,n=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,n=this._matricesTexture,i=n.image.data;ih.toArray(i,16*e),n.needsUpdate=!0;const r=this._colorsTexture;return r&&(rh.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,n=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const s=this._reservedRanges,a=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=s[s.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const l=t.getIndex(),c=null!==l;if(c&&(i.indexCount=-1===n?l.count:n,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const h=this._geometryCount;return this._geometryCount++,s.push(i),a.push({start:c?i.indexStart:i.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new Ui,sphereInitialized:!1,sphere:new Ki}),this.setGeometryAt(h,t),h}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const n=this.geometry,i=null!==n.getIndex(),r=n.getIndex(),s=e.getIndex(),a=this._reservedRanges[t];if(i&&s.count>a.indexCount||e.attributes.position.count>a.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,l=a.vertexCount;for(const t in n.attributes){const i=e.getAttribute(t),r=n.getAttribute(t);fh(i,r,o);const s=i.itemSize;for(let t=i.count,e=l;t=this._geometryCount)return null;const n=this._bounds[t],i=n.box,r=this.geometry;if(!1===n.boxInitialized){i.makeEmpty();const e=r.index,s=r.attributes.position,a=this._drawRanges[t];for(let t=a.start,n=a.start+a.count;t=this._geometryCount)return null;const n=this._bounds[t],i=n.sphere,r=this.geometry;if(!1===n.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,oh),oh.getCenter(i.center);const e=r.index,s=r.attributes.position,a=this._drawRanges[t];let o=0;for(let t=a.start,n=a.start+a.count;t=n.length||!1===n[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const n=this._drawInfo,i=this._matricesTexture.image.data;return t>=n.length||!1===n[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const n=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),n.needsUpdate=!0),this}getColorAt(t,e){const n=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(n,4*t)}setVisibleAt(t,e){const n=this._drawInfo;return t>=n.length||!1===n[t].active||n[t].visible===e||(n[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const n=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,s=this.geometry;ph.material=this.material,ph.geometry.index=s.index,ph.geometry.attributes=s.attributes,null===ph.geometry.boundingBox&&(ph.geometry.boundingBox=new Ui),null===ph.geometry.boundingSphere&&(ph.geometry.boundingSphere=new Ki);for(let s=0,a=n.length;s({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,n,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const s=i.getIndex(),a=null===s?1:s.array.BYTES_PER_ELEMENT,o=this._drawInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,h=this._drawRanges,u=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;u&&(sh.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ah.setFromProjectionMatrix(sh,t.coordinateSystem));let m=0;if(this.sortObjects){nh.copy(this.matrixWorld).invert(),ch.setFromMatrixPosition(n.matrixWorld).applyMatrix4(nh),hh.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(nh);for(let t=0,e=o.length;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;ti)return;bh.applyMatrix4(t.matrixWorld);const o=e.ray.origin.distanceTo(bh);return oe.far?void 0:{distance:o,point:wh.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Ah=new Pi,Rh=new Pi;class Ch extends Th{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const n=t[e[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=n.length;tr.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}class Bh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:Mt,this.magFilter=void 0!==r?r:Mt,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class zh extends Mi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=gt,this.minFilter=gt,this.generateMipmaps=!1,this.needsUpdate=!0}}class kh extends Mi{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Vh extends kh{constructor(t,e,n,i,r,s){super(t,e,n,r,s),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hh extends kh{constructor(t,e,n){super(void 0,t[0].width,t[0].height,e,n,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Gh extends Mi{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Wh{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new $n:new Pi);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Pi,i=[],r=[],s=[],a=new Pi,o=new ar;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Pi)}r[0]=new Pi,s[0]=new Pi;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(jn(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(jn(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Xh extends Wh{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new $n){const n=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Yh.subVectors(i[0],i[1]).add(i[0]),a=Yh);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(Qh(a,o.x,l.x,c.x,h.x),Qh(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class du extends ws{constructor(t=[new $n(0,-.5),new $n(.5,0),new $n(0,.5)],e=12,n=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:n,phiLength:i},e=Math.floor(e),i=jn(i,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new Pi,u=new $n,d=new Pi,p=new Pi,m=new Pi;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=n+r*c*i,p=Math.sin(d),m=Math.cos(d);for(let n=0;n<=t.length-1;n++){h.x=t[n].x*p,h.y=t[n].y,h.z=t[n].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=n/(t.length-1),a.push(u.x,u.y);const i=o[3*n+0]*p,c=o[3*n+1],d=o[3*n+0]*m;l.push(i,c,d)}}for(let n=0;n0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new gs(h,3)),this.setAttribute("normal",new gs(u,3)),this.setAttribute("uv",new gs(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fu(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class gu extends fu{constructor(t=1,e=1,n=32,i=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,n,i,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:n,heightSegments:i,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new gu(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class vu extends ws{constructor(t=[],e=[],n=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:n,detail:i};const r=[],s=[];function a(t,e,n,i){const r=i+1,s=[];for(let i=0;i<=r;i++){s[i]=[];const a=t.clone().lerp(n,i/r),o=e.clone().lerp(n,i/r),l=r-i;for(let t=0;t<=l;t++)s[i][t]=0===t&&i===r?a:a.clone().lerp(o,t/l)}for(let t=0;t.9&&a<.1&&(e<.2&&(s[t+0]+=1),n<.2&&(s[t+2]+=1),i<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new gs(r,3)),this.setAttribute("normal",new gs(r.slice(),3)),this.setAttribute("uv",new gs(s,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new vu(t.vertices,t.indices,t.radius,t.details)}}class _u extends vu{constructor(t=1,e=0){const n=(1+Math.sqrt(5))/2,i=1/n;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new _u(t.radius,t.detail)}}const xu=new Pi,yu=new Pi,Mu=new Pi,Su=new Wr;class bu extends ws{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const n=4,i=Math.pow(10,n),r=Math.cos(Gn*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?32767/p:0}return Ru(s,a,n,o,l,p,0),a};function Eu(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=qu(s,t[s],t[s+1],a);return a&&Vu(a,a.next)&&(Yu(a),a=a.next),a}function Au(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Vu(i,i.next)&&0!==ku(i.prev,i,i.next))i=i.next;else{if(Yu(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function Ru(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{0===r.z&&(r.z=Ou(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,n,i,r,s,a,o,l,c=1;do{for(n=t,t=null,s=null,a=0;n;){for(a++,i=n,o=0,e=0;e0||l>0&&i;)0!==o&&(0===l||!i||n.z<=i.z)?(r=n,n=n.nextZ,o--):(r=i,i=i.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;n=i}s.nextZ=null,c*=2}while(a>1)}(r)}(t,i,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?Pu(t,i,r,s):Cu(t))e.push(o.i/n|0),e.push(t.i/n|0),e.push(l.i/n|0),Yu(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ru(t=Iu(Au(t),e,n),e,n,i,r,s,2):2===a&&Lu(t,e,n,i,r,s):Ru(Au(t),e,n,i,r,s,1);break}}function Cu(t){const e=t.prev,n=t,i=t.next;if(ku(e,n,i)>=0)return!1;const r=e.x,s=n.x,a=i.x,o=e.y,l=n.y,c=i.y,h=rs?r>a?r:a:s>a?s:a,p=o>l?o>c?o:c:l>c?l:c;let m=i.next;for(;m!==e;){if(m.x>=h&&m.x<=d&&m.y>=u&&m.y<=p&&Bu(r,o,s,l,a,c,m.x,m.y)&&ku(m.prev,m,m.next)>=0)return!1;m=m.next}return!0}function Pu(t,e,n,i){const r=t.prev,s=t,a=t.next;if(ku(r,s,a)>=0)return!1;const 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n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&Hu(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Xu(t,e)&&Xu(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(ku(t.prev,t,e.prev)||ku(t,e.prev,e))||Vu(t,e)&&ku(t.prev,t,t.next)>0&&ku(e.prev,e,e.next)>0)}function ku(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Vu(t,e){return t.x===e.x&&t.y===e.y}function Hu(t,e,n,i){const r=Wu(ku(t,e,n)),s=Wu(ku(t,e,i)),a=Wu(ku(n,i,t)),o=Wu(ku(n,i,e));return r!==s&&a!==o||(!(0!==r||!Gu(t,n,e))||(!(0!==s||!Gu(t,i,e))||(!(0!==a||!Gu(n,t,i))||!(0!==o||!Gu(n,e,i)))))}function Gu(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Wu(t){return t>0?1:t<0?-1:0}function Xu(t,e){return ku(t.prev,t,t.next)<0?ku(t,e,t.next)>=0&&ku(t,t.prev,e)>=0:ku(t,e,t.prev)<0||ku(t,t.next,e)<0}function ju(t,e){const n=new Zu(t.i,t.x,t.y),i=new Zu(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function qu(t,e,n,i){const r=new Zu(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Yu(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Zu(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Ju{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function $u(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new $n(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new $n(i/s,r/s)}const I=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0)&&d.push(e,r,l),(t!==n-1||o0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class vd extends $r{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Zr(16777215),this.specular=new Zr(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class _d extends $r{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Zr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class xd extends $r{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class yd extends $r{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Zr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Zr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new gr,this.combine=Y,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Md extends $r{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Zr(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $n(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Sd extends vh{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function bd(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function wd(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Td(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n}function Ed(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r}function Ad(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)}const Rd={convertArray:bd,isTypedArray:wd,getKeyframeOrder:Td,sortedArray:Ed,flattenJSON:Ad,subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=t.resultBuffer.slice(e,n)}if("quaternion"===r){(new Ci).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=n.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&wd(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),n=this.getValueSize(),i=this.getInterpolation()===Ne,r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*n)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ud.prototype.TimeBufferType=Float32Array,Ud.prototype.ValueBufferType=Float32Array,Ud.prototype.DefaultInterpolation=Ue;class Nd extends Ud{constructor(t,e,n){super(t,e,n)}}Nd.prototype.ValueTypeName="bool",Nd.prototype.ValueBufferType=Array,Nd.prototype.DefaultInterpolation=Le,Nd.prototype.InterpolantFactoryMethodLinear=void 0,Nd.prototype.InterpolantFactoryMethodSmooth=void 0;class Dd extends Ud{}Dd.prototype.ValueTypeName="color";class Od extends Ud{}Od.prototype.ValueTypeName="number";class Fd extends Cd{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Ci.slerpFlat(r,0,s,l-a,s,l,o);return r}}class Bd extends Ud{InterpolantFactoryMethodLinear(t){return new Fd(this.times,this.values,this.getValueSize(),t)}}Bd.prototype.ValueTypeName="quaternion",Bd.prototype.InterpolantFactoryMethodSmooth=void 0;class zd extends Ud{constructor(t,e,n){super(t,e,n)}}zd.prototype.ValueTypeName="string",zd.prototype.ValueBufferType=Array,zd.prototype.DefaultInterpolation=Le,zd.prototype.InterpolantFactoryMethodLinear=void 0,zd.prototype.InterpolantFactoryMethodSmooth=void 0;class kd extends Ud{}kd.prototype.ValueTypeName="vector";class Vd{constructor(t="",e=-1,n=[],i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=Xn(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(Hd(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ud.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];Ad(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==qd[t])return void qd[t].push({onLoad:e,onProgress:n,onError:i});qd[t]=[],qd[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=qd[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t{t.error(e)}))}()}});return new Response(l)}throw new Yd(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{Gd.add(t,e);const n=qd[t];delete qd[t];for(let t=0,i=n.length;t{const n=qd[t];if(void 0===n)throw this.manager.itemError(t),e;delete qd[t];for(let t=0,i=n.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Jd extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{e(r.parse(JSON.parse(n)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}parse(t){const e=[];for(let n=0;n0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=n(r.value);break;case"c":i.uniforms[e].value=(new Zr).setHex(r.value);break;case"v2":i.uniforms[e].value=(new $n).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Pi).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new Si).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qn).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new ar).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=n(t.map)),void 0!==t.matcap&&(i.matcap=n(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new $n).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=n(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=n(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=n(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=n(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new $n).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=n(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=n(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=n(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=n(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=n(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=n(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=n(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:pd,SpriteMaterial:cc,RawShaderMaterial:md,ShaderMaterial:Zs,PointsMaterial:Ih,MeshPhysicalMaterial:gd,MeshStandardMaterial:fd,MeshPhongMaterial:vd,MeshToonMaterial:_d,MeshNormalMaterial:xd,MeshLambertMaterial:yd,MeshDepthMaterial:Bl,MeshDistanceMaterial:zl,MeshBasicMaterial:Qr,MeshMatcapMaterial:Md,LineDashedMaterial:Sd,LineBasicMaterial:vh,Material:$r}[t]}}class Sp{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n0){const n=new Wd(e);r=new $d(n),r.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e0){i=new $d(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Ui;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const n=new Ki;return n.radius=t.sphereRadius,n.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:n}})),s._maxInstanceCount=t.maxInstanceCount,s._maxVertexCount=t.maxVertexCount,s._maxIndexCount=t.maxIndexCount,s._geometryInitialized=t.geometryInitialized,s._geometryCount=t.geometryCount,s._matricesTexture=h(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(s._colorsTexture=h(t.colorsTexture.uuid));break;case"LOD":s=new Ac;break;case"Line":s=new Th(l(t.geometry),c(t.material));break;case"LineLoop":s=new Ph(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ch(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new Oh(l(t.geometry),c(t.material));break;case"Sprite":s=new bc(c(t.material));break;case"Group":s=new ql;break;case"Bone":s=new Bc;break;default:s=new Ur}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.up&&s.up.fromArray(t.up),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(s.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t{e&&e(n),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){return Gd.add(t,n),e&&e(n),r.manager.itemEnd(t),n})).catch((function(e){i&&i(e),Gd.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));Gd.add(t,o),r.manager.itemStart(t)}}let Pp;class Ip{static getContext(){return void 0===Pp&&(Pp=new(window.AudioContext||window.webkitAudioContext)),Pp}static setContext(t){Pp=t}}class Lp extends jd{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new Zd(this.manager);function a(e){i?i(e):console.error(e),r.manager.itemError(t)}s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(t){try{const n=t.slice(0);Ip.getContext().decodeAudioData(n,(function(t){e(t)})).catch(a)}catch(t){a(t)}}),n,i)}}const Up=new ar,Np=new ar,Dp=new ar;class Op{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new ta,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new ta,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Dp.copy(t.projectionMatrix);const n=e.eyeSep/2,i=n*e.near/e.focus,r=e.near*Math.tan(Gn*e.fov*.5)/e.zoom;let s,a;Np.elements[12]=-n,Up.elements[12]=n,s=-r*e.aspect+i,a=r*e.aspect+i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraL.projectionMatrix.copy(Dp),s=-r*e.aspect-i,a=r*e.aspect-i,Dp.elements[0]=2*e.near/(a-s),Dp.elements[8]=(a+s)/(a-s),this.cameraR.projectionMatrix.copy(Dp)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Np),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Up)}}class Fp{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Bp(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Bp();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Bp(){return("undefined"==typeof performance?Date:performance).now()}const zp=new Pi,kp=new Ci,Vp=new Pi,Hp=new Pi;class Gp extends Ur{constructor(){super(),this.type="AudioListener",this.context=Ip.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Fp}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,n=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(zp,kp,Vp),Hp.set(0,0,-1).applyQuaternion(kp),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(zp.x,t),e.positionY.linearRampToValueAtTime(zp.y,t),e.positionZ.linearRampToValueAtTime(zp.z,t),e.forwardX.linearRampToValueAtTime(Hp.x,t),e.forwardY.linearRampToValueAtTime(Hp.y,t),e.forwardZ.linearRampToValueAtTime(Hp.z,t),e.upX.linearRampToValueAtTime(n.x,t),e.upY.linearRampToValueAtTime(n.y,t),e.upZ.linearRampToValueAtTime(n.z,t)}else e.setPosition(zp.x,zp.y,zp.z),e.setOrientation(Hp.x,Hp.y,Hp.z,n.x,n.y,n.z)}}class Wp extends Ur{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Ci.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Ci.multiplyQuaternionsFlat(t,s,t,e,t,n),Ci.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $p="\\[\\]\\.:\\/",Qp=new RegExp("["+$p+"]","g"),tm="[^"+$p+"]",em="[^"+$p.replace("\\.","")+"]",nm=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",tm)+/(WCOD+)?/.source.replace("WCOD",em)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",tm)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",tm)+"$"),im=["material","materials","bones","map"];class rm{constructor(t,e,n){this.path=e,this.parsedPath=n||rm.parseTrackName(e),this.node=rm.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rm.Composite(t,e,n):new rm(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Qp,"")}static parseTrackName(t){const e=nm.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==im.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=i;t!==e;++t){const e=n[t],i=e[s],r=e[l];e[l]=i,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,n=this._bindings,i=n.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=i;t!==e;++t){const e=n[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const n=this._bindingsIndicesByPath;let i=n[t];const r=this._bindings;if(void 0!==i)return r[i];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);i=r.length,n[t]=i,s.push(t),a.push(e),r.push(h);for(let n=c,i=o.length;n!==i;++n){const i=o[n];h[n]=new rm(i,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,n=e[t];if(void 0!==n){const i=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=n,s[n]=o,s.pop(),r[n]=r[a],r.pop(),i[n]=i[a],i.pop()}}}class am{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:De,endingEnd:De};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;i<0||0===n?e=0:(this._startTime=null,e=n*i)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===ze)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:De:Fe,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:De:Fe)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}const om=new Float32Array(1);class lm extends kn{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Kp(rm.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,ym).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Sm=new Pi,bm=new Pi;class wm{constructor(t=new Pi,e=new Pi){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Sm.subVectors(t,this.start),bm.subVectors(this.end,this.start);const n=bm.dot(bm);let i=bm.dot(Sm)/n;return e&&(i=jn(i,0,1)),i}closestPointToPoint(t,e,n){const i=this.closestPointToPointParameter(t,e);return this.delta(n).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Tm=new Pi;class Em extends Ur{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const n=new ws,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,n=32;t1)for(let n=0;n.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Km.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Km,e)}}setLength(t,e=.2*t,n=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ef extends Ch{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],n=new ws;n.setAttribute("position",new gs(e,3)),n.setAttribute("color",new gs([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(n,new vh({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,n){const i=new Zr,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(n),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class nf{constructor(){this.type="ShapePath",this.color=new Zr,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new uu,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,n,i){return this.currentPath.quadraticCurveTo(t,e,n,i),this}bezierCurveTo(t,e,n,i,r,s){return this.currentPath.bezierCurveTo(t,e,n,i,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const n=e.length;let i=!1;for(let r=n-1,s=0;sNumber.EPSILON){if(l<0&&(n=e[s],o=-o,a=e[r],l=-l),t.ya.y)continue;if(t.y===n.y){if(t.x===n.x)return!0}else{const e=l*(t.x-n.x)-o*(t.y-n.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==n.y)continue;if(a.x<=t.x&&t.x<=n.x||n.x<=t.x&&t.x<=a.x)return!0}}return i}const n=Ju.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,s,a;const o=[];if(1===i.length)return s=i[0],a=new wu,a.curves=s.curves,o.push(a),o;let l=!n(i[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=i.length;e1){let t=!1,n=0;for(let t=0,e=h.length;t0&&!1===t&&(p=c)}for(let t=0,e=h.length;t nodeObject( new GaussianBlurNode( nodeObject( node ), directionNode, sigma ) ); +const gaussianBlur = ( node, directionNode, sigma ) => nodeObject( new GaussianBlurNode( nodeObject( node ).toTexture(), directionNode, sigma ) ); addNodeElement( 'gaussianBlur', gaussianBlur ); @@ -52727,21 +52728,13 @@ class AfterImageNode extends TempNode { const textureNode = this.textureNode; const textureNodeOld = this.textureNodeOld; - if ( textureNode.isTextureNode !== true ) { - - console.error( 'AfterImageNode requires a TextureNode.' ); - - return vec4(); - - } - // const uvNode = textureNode.uvNode || uv(); textureNodeOld.uvNode = uvNode; - const sampleTexture = ( uv ) => textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const when_gt = tslFn( ( [ x_immutable, y_immutable ] ) => { @@ -52782,11 +52775,11 @@ class AfterImageNode extends TempNode { } -const afterImage = ( node, damp ) => nodeObject( new AfterImageNode( nodeObject( node ), damp ) ); +const afterImage = ( node, damp ) => nodeObject( new AfterImageNode( nodeObject( node ).toTexture(), damp ) ); addNodeElement( 'afterImage', afterImage ); -const quadMesh$2 = new QuadMesh(); +const quadMesh$1 = new QuadMesh(); class AnamorphicNode extends TempNode { @@ -52841,7 +52834,7 @@ class AnamorphicNode extends TempNode { const currentRenderTarget = renderer.getRenderTarget(); const currentTexture = textureNode.value; - quadMesh$2.material = this._material; + quadMesh$1.material = this._material; this.setSize( map.image.width, map.image.height ); @@ -52849,7 +52842,7 @@ class AnamorphicNode extends TempNode { renderer.setRenderTarget( this._renderTarget ); - quadMesh$2.render( renderer ); + quadMesh$1.render( renderer ); // restore @@ -52861,17 +52854,6 @@ class AnamorphicNode extends TempNode { setup( builder ) { const textureNode = this.textureNode; - - if ( textureNode.isTextureNode !== true ) { - - console.error( 'AnamorphNode requires a TextureNode.' ); - - return vec4(); - - } - - // - const uvNode = textureNode.uvNode || uv(); const sampleTexture = ( uv ) => textureNode.uv( uv ); @@ -52949,7 +52931,7 @@ class SobelOperatorNode extends TempNode { const uvNode = textureNode.uvNode || uv(); - const sampleTexture = ( uv ) => this.textureNode.cache().context( { getUV: () => uv, forceUVContext: true } ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const sobel = tslFn( () => { @@ -53027,7 +53009,7 @@ class SobelOperatorNode extends TempNode { } -const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ) ) ); +const sobel = ( node ) => nodeObject( new SobelOperatorNode( nodeObject( node ).toTexture() ) ); addNodeElement( 'sobel', sobel ); @@ -53138,79 +53120,38 @@ class DepthOfFieldNode extends TempNode { } -const dof = ( node, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) => nodeObject( new DepthOfFieldNode( nodeObject( node ), nodeObject( viewZNode ), nodeObject( focus ), nodeObject( aperture ), nodeObject( maxblur ) ) ); +const dof = ( node, viewZNode, focus = 1, aperture = 0.025, maxblur = 1 ) => nodeObject( new DepthOfFieldNode( nodeObject( node ).toTexture(), nodeObject( viewZNode ), nodeObject( focus ), nodeObject( aperture ), nodeObject( maxblur ) ) ); addNodeElement( 'dof', dof ); -const quadMesh$1 = new QuadMesh(); - class DotScreenNode extends TempNode { - constructor( colorNode, center = new Vector2( 0.5, 0.5 ), angle = 1.57, scale = 1 ) { + constructor( inputNode, center = new Vector2( 0.5, 0.5 ), angle = 1.57, scale = 1 ) { super( 'vec4' ); - this.colorNode = colorNode; + this.inputNode = inputNode; this.center = uniform( center ); this.angle = uniform( angle ); this.scale = uniform( scale ); - this._renderTarget = new RenderTarget(); - this._renderTarget.texture.name = 'dotScreen'; - this._size = uniform( new Vector2() ); - this._textureNode = texturePass( this, this._renderTarget.texture ); - this.updateBeforeType = NodeUpdateType.RENDER; } - getTextureNode() { - - return this._textureNode; - - } - - setSize( width, height ) { - - this._size.value.set( width, height ); - this._renderTarget.setSize( width, height ); - - } - - updateBefore( frame ) { - - const { renderer } = frame; - - const colorNode = this.colorNode; - const map = colorNode.value; - - this._renderTarget.texture.type = map.type; - - const currentRenderTarget = renderer.getRenderTarget(); - const currentTexture = colorNode.value; - - quadMesh$1.material = this._material; - - this.setSize( map.image.width, map.image.height ); - - // render - - renderer.setRenderTarget( this._renderTarget ); - - quadMesh$1.render( renderer ); + updateBefore() { - // restore + const map = this.inputNode.value; - renderer.setRenderTarget( currentRenderTarget ); - colorNode.value = currentTexture; + this._size.value.set( map.image.width, map.image.height ); } - setup( builder ) { + setup() { - const colorNode = this.colorNode; + const inputNode = this.inputNode; const pattern = tslFn( () => { @@ -53226,7 +53167,7 @@ class DotScreenNode extends TempNode { const dotScreen = tslFn( () => { - const color = colorNode; + const color = inputNode; const average = add( color.r, color.g, color.b ).div( 3 ); @@ -53234,19 +53175,9 @@ class DotScreenNode extends TempNode { } ); - // + const outputNode = dotScreen(); - const material = this._material || ( this._material = builder.createNodeMaterial() ); - material.fragmentNode = dotScreen(); - - // - - const properties = builder.getNodeProperties( this ); - properties.textureNode = colorNode; - - // - - return this._textureNode; + return outputNode; } @@ -53274,7 +53205,7 @@ class RGBShiftNode extends TempNode { const uvNode = textureNode.uvNode || uv(); - const sampleTexture = ( uv ) => this.textureNode.uv( uv ); + const sampleTexture = ( uv ) => textureNode.uv( uv ); const rgbShift = tslFn( () => { @@ -53342,6 +53273,53 @@ const film = nodeProxy( FilmNode ); addNodeElement( 'film', film ); +class Lut3DNode extends TempNode { + + constructor( inputNode, lutNode, size, intensityNode ) { + + super(); + + this.inputNode = inputNode; + this.lutNode = lutNode; + this.size = uniform( size ); + this.intensityNode = intensityNode; + + } + + setup() { + + const { inputNode, lutNode } = this; + + const sampleLut = ( uv ) => lutNode.uv( uv ); + + const lut3D = tslFn( () => { + + const base = inputNode; + + // pull the sample in by half a pixel so the sample begins at the center of the edge pixels. + + const pixelWidth = float( 1.0 ).div( this.size ); + const halfPixelWidth = float( 0.5 ).div( this.size ); + const uvw = vec3( halfPixelWidth ).add( base.rgb.mul( float( 1.0 ).sub( pixelWidth ) ) ); + + const lutValue = vec4( sampleLut( uvw ).rgb, base.a ); + + return vec4( mix( base, lutValue, this.intensityNode ) ); + + } ); + + const outputNode = lut3D(); + + return outputNode; + + } + +} + +const lut3D = ( node, lut, size, intensity ) => nodeObject( new Lut3DNode( nodeObject( node ), nodeObject( lut ), size, nodeObject( intensity ) ) ); + +addNodeElement( 'lut3D', lut3D ); + class FunctionCallNode extends TempNode { constructor( functionNode = null, parameters = {} ) { @@ -73690,4 +73668,4 @@ if ( typeof window !== 'undefined' ) { } -export { ACESFilmicToneMapping, AONode, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AfterImageNode, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightNode, AnalyticLightNode, AnamorphicNode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrayElementNode, ArrowHelper, AssignNode, AttachedBindMode, AttributeNode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BRDF_GGX, BRDF_Lambert, BackSide, BasicDepthPacking, BasicShadowMap, BatchNode, BatchedMesh, BlendModeNode, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, Break, BufferAttribute, BufferAttributeNode, BufferGeometry, BufferGeometryLoader, BufferNode, BumpMapNode, BypassNode, ByteType, Cache, CacheNode, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CheckerNode, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, CodeNode, Color, ColorAdjustmentNode, ColorKeyframeTrack, ColorManagement, ColorSpaceNode, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ComputeNode, CondNode, ConeGeometry, ConstNode, ConstantAlphaFactor, ConstantColorFactor, ContextNode, Continue, ConvertNode, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeTextureNode, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, DFGApprox, D_GGX, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthOfFieldNode, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DirectionalLightNode, DiscardNode, DiscreteInterpolant, DisplayP3ColorSpace, DodecahedronGeometry, DotScreenNode, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EPSILON, EdgesGeometry, EllipseCurve, EnvironmentNode, EqualCompare, EqualDepth, EqualStencilFunc, EquirectUVNode, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExpressionNode, ExtrudeGeometry, F_Schlick, FileLoader, FilmNode, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FogExp2Node, FogNode, FogRangeNode, FramebufferTexture, FrontFacingNode, FrontSide, Frustum, FunctionCallNode, FunctionNode, FunctionOverloadingNode, GLBufferAttribute, GLSL1, GLSL3, GLSLNodeParser, GaussianBlurNode, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HashNode, HemisphereLight, HemisphereLightHelper, HemisphereLightNode, IESSpotLight, IESSpotLightNode, INFINITY, IcosahedronGeometry, If, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, IndexNode, InstanceNode, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, InstancedPointsNodeMaterial, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, IrradianceNode, JoinNode, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightNode, LightProbe, LightingContextNode, LightingModel, LightingNode, LightsNode, Line, Line2NodeMaterial, Line3, LineBasicMaterial, LineBasicNodeMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineDashedNodeMaterial, LineLoop, LineSegments, LinearDisplayP3ColorSpace, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopNode, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, MatcapUVNode, Material, MaterialLoader, MaterialNode, MaterialReferenceNode, MathNode, MathUtils, Matrix3, Matrix4, MaxEquation, MaxMipLevelNode, Mesh, MeshBasicMaterial, MeshBasicNodeMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshLambertNodeMaterial, MeshMatcapMaterial, MeshMatcapNodeMaterial, MeshNormalMaterial, MeshNormalNodeMaterial, MeshPhongMaterial, MeshPhongNodeMaterial, MeshPhysicalMaterial, MeshPhysicalNodeMaterial, MeshSSSNodeMaterial, MeshStandardMaterial, MeshStandardNodeMaterial, MeshToonMaterial, MeshToonNodeMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, ModelNode, ModelViewProjectionNode, MorphNode, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, Node, NodeAttribute, NodeBuilder, NodeCache, NodeCode, NodeFrame, NodeFunctionInput, NodeKeywords, NodeLoader, NodeMaterial, NodeMaterialLoader, NodeObjectLoader, NodeShaderStage, NodeType, NodeUniform, NodeUpdateType, NodeUtils, NodeVar, NodeVarying, NormalAnimationBlendMode, NormalBlending, NormalMapNode, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, Object3DNode, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OperatorNode, OrthographicCamera, OscNode, OutputStructNode, P3Primaries, PCFShadowMap, PCFSoftShadowMap, PI, PI2, PMREMGenerator, PMREMNode, PackingNode, ParameterNode, PassNode, Path, PerspectiveCamera, PhongLightingModel, PhysicalLightingModel, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, PointLightNode, PointUVNode, Points, PointsMaterial, PointsNodeMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PostProcessing, PosterizeNode, PropertyBinding, PropertyMixer, PropertyNode, QuadMesh, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGBIntegerFormat, RGBShiftNode, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RTTNode, RangeNode, RawShaderMaterial, Ray, Raycaster, Rec709Primaries, RectAreaLight, RectAreaLightNode, RedFormat, RedIntegerFormat, ReferenceNode, ReflectorNode, ReinhardToneMapping, RemapNode, RenderTarget, RendererReferenceNode, RepeatWrapping, ReplaceStencilOp, Return, ReverseSubtractEquation, RingGeometry, RotateNode, RotateUVNode, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, SceneNode, Schlick_to_F0, ScriptableNode, ScriptableValueNode, SetNode, ShaderMaterial, ShaderNode, ShadowMaterial, ShadowNodeMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SkinningNode, SobelOperatorNode, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SplitNode, SpotLight, SpotLightHelper, SpotLightNode, Sprite, SpriteMaterial, SpriteNodeMaterial, SpriteSheetUVNode, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StackNode, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StorageArrayElementNode, StorageBufferAttribute, StorageBufferNode, StorageInstancedBufferAttribute, StorageTexture, StorageTextureNode, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TBNViewMatrix, TOUCH, TangentSpaceNormalMap, TempNode, TetrahedronGeometry, Texture, Texture3DNode, TextureBicubicNode, TextureLoader, TextureNode, TextureSizeNode, TimerNode, ToneMappingNode, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TriplanarTexturesNode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform$1 as Uniform, UniformGroupNode, UniformNode, UniformsGroup$1 as UniformsGroup, UniformsNode, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, UserDataNode, VSMShadowMap, V_GGX_SmithCorrelated, VarNode, VaryingNode, Vector2, Vector3, Vector4, VectorKeyframeTrack, VertexColorNode, VideoTexture, ViewportDepthNode, ViewportDepthTextureNode, ViewportNode, ViewportSharedTextureNode, ViewportTextureNode, VolumeNodeMaterial, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLRenderTarget, WebGPUCoordinateSystem, WebGPURenderer, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, abs, acos, add, addLightNode, addNodeClass, addNodeElement, addNodeMaterial, afterImage, all, alphaT, anamorphic, and, anisotropy, anisotropyB, anisotropyT, any, append, arrayBuffer, asin, assign, atan, atan2, attribute, backgroundBlurriness, backgroundIntensity, batch, bitAnd, bitNot, bitOr, bitXor, bitangentGeometry, bitangentLocal, bitangentView, bitangentWorld, bitcast, blur, bmat2, bmat3, bmat4, bool, buffer, bufferAttribute, bumpMap, burn, bvec2, bvec3, bvec4, bypass, cache, call, cameraFar, cameraLogDepth, cameraNear, cameraNormalMatrix, cameraPosition, cameraProjectionMatrix, cameraProjectionMatrixInverse, cameraViewMatrix, cameraWorldMatrix, cbrt, ceil, checker, clamp, clearcoat, clearcoatRoughness, code, color, colorSpaceToLinear, colorToDirection, compute, cond, context, convert, cos, createCanvasElement, createNodeFromType, createNodeMaterialFromType, cross, cubeTexture, dFdx, dFdy, dashSize, defaultBuildStages, defaultShaderStages, defined, degrees, densityFog, depth, depthPass, difference, diffuseColor, directionToColor, discard, distance, div, dodge, dof, dot, dotScreen, drawIndex, dynamicBufferAttribute, element, equal, equals, equirectUV, exp, exp2, expression, faceDirection, faceForward, film, float, floor, fog, fract, frameGroup, frameId, frontFacing, fwidth, gain, gapSize, gaussianBlur, getConstNodeType, getCurrentStack, getDirection, getDistanceAttenuation, getGeometryRoughness, getRoughness, global, glsl, glslFn, greaterThan, greaterThanEqual, hash, hue, imat2, imat3, imat4, instance, instanceIndex, instancedBufferAttribute, instancedDynamicBufferAttribute, int, inverseSqrt, iridescence, iridescenceIOR, iridescenceThickness, ivec2, ivec3, ivec4, js, label, length, lengthSq, lessThan, lessThanEqual, lightTargetDirection, lightingContext, lights, lightsNode, linearDepth, linearToColorSpace, linearTosRGB, log, log2, loop, lumaCoeffs, luminance, mat2, mat3, mat4, matcapUV, materialAlphaTest, materialAnisotropy, materialAnisotropyVector, materialClearcoat, materialClearcoatNormal, materialClearcoatRoughness, materialColor, materialDispersion, materialEmissive, materialIridescence, materialIridescenceIOR, materialIridescenceThickness, materialLineDashOffset, materialLineDashSize, materialLineGapSize, materialLineScale, materialLineWidth, materialMetalness, materialNormal, materialOpacity, materialPointWidth, materialReference, materialReflectivity, materialRotation, materialRoughness, materialSheen, materialSheenRoughness, materialShininess, materialSpecular, materialSpecularStrength, max$1 as max, maxMipLevel, metalness, min$1 as min, mix, mod, modelDirection, modelNormalMatrix, modelPosition, modelScale, modelViewMatrix, modelViewPosition, modelViewProjection, modelWorldMatrix, modelWorldMatrixInverse, morphReference, mul, mx_aastep, mx_cell_noise_float, mx_contrast, mx_fractal_noise_float, mx_fractal_noise_vec2, mx_fractal_noise_vec3, mx_fractal_noise_vec4, mx_hsvtorgb, mx_noise_float, mx_noise_vec3, mx_noise_vec4, mx_ramplr, mx_ramptb, mx_rgbtohsv, mx_safepower, mx_splitlr, mx_splittb, mx_srgb_texture_to_lin_rec709, mx_transform_uv, mx_worley_noise_float, mx_worley_noise_vec2, mx_worley_noise_vec3, negate, nodeArray, nodeImmutable, nodeObject, nodeObjects, nodeProxy, normalGeometry, normalLocal, normalMap, normalView, normalWorld, normalize, not, objectDirection, objectGroup, objectNormalMatrix, objectPosition, objectScale, objectViewMatrix, objectViewPosition, objectWorldMatrix, oneMinus, or, orthographicDepthToViewZ, oscSawtooth, oscSine, oscSquare, oscTriangle, output, outputStruct, overlay, overloadingFn, parabola, parallaxDirection, parallaxUV, parameter, pass, pcurve, perspectiveDepthToViewZ, pmremTexture, pointUV, pointWidth, positionGeometry, positionLocal, positionView, positionViewDirection, positionWorld, positionWorldDirection, posterize, pow, pow2, pow3, pow4, property, radians, rand, range, rangeFog, reciprocal, reference, referenceBuffer, reflect, reflectVector, reflectView, reflector, refract, remainder, remap, remapClamp, renderGroup, rendererReference, rgbShift, rotate, rotateUV, roughness, round, rtt, sRGBToLinear, sampler, saturate, saturation, screen, scriptable, scriptableValue, setCurrentStack, shaderStages, sheen, sheenRoughness, shiftLeft, shiftRight, shininess, sign, sin, sinc, skinning, skinningReference, smoothstep, sobel, specularColor, split, spritesheetUV, sqrt, stack, step, storage, storageObject, storageTexture, string, sub, tan, tangentGeometry, tangentLocal, tangentView, tangentWorld, temp, texture, texture3D, textureBicubic, textureCubeUV, textureLoad, texturePass, textureSize, textureStore, threshold, timerDelta, timerGlobal, timerLocal, toneMapping, transformDirection, transformedBentNormalView, transformedBitangentView, transformedBitangentWorld, transformedClearcoatNormalView, transformedNormalView, transformedNormalWorld, transformedTangentView, transformedTangentWorld, transpose, triNoise3D, triplanarTexture, triplanarTextures, trunc, tslFn, uint, umat2, umat3, umat4, uniform, uniformGroup, uniforms, userData, uv, uvec2, uvec3, uvec4, varying, varyingProperty, vec2, vec3, vec4, vectorComponents, vertexColor, vertexIndex, vibrance, viewZToOrthographicDepth, viewZToPerspectiveDepth, viewport, viewportBottomLeft, viewportBottomRight, viewportCoordinate, viewportDepthTexture, viewportLinearDepth, viewportMipTexture, viewportResolution, viewportSharedTexture, viewportTexture, viewportTopLeft, viewportTopRight, wgsl, wgslFn, xor }; +export { ACESFilmicToneMapping, AONode, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AfterImageNode, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightNode, AnalyticLightNode, AnamorphicNode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrayElementNode, ArrowHelper, AssignNode, AttachedBindMode, AttributeNode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BRDF_GGX, BRDF_Lambert, BackSide, BasicDepthPacking, BasicShadowMap, BatchNode, BatchedMesh, BlendModeNode, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, Break, BufferAttribute, BufferAttributeNode, BufferGeometry, BufferGeometryLoader, BufferNode, BumpMapNode, BypassNode, ByteType, Cache, CacheNode, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CheckerNode, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, CodeNode, Color, ColorAdjustmentNode, ColorKeyframeTrack, ColorManagement, ColorSpaceNode, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ComputeNode, CondNode, ConeGeometry, ConstNode, ConstantAlphaFactor, ConstantColorFactor, ContextNode, Continue, ConvertNode, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeTextureNode, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, DFGApprox, D_GGX, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthOfFieldNode, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DirectionalLightNode, DiscardNode, DiscreteInterpolant, DisplayP3ColorSpace, DodecahedronGeometry, DotScreenNode, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EPSILON, EdgesGeometry, EllipseCurve, EnvironmentNode, EqualCompare, EqualDepth, EqualStencilFunc, EquirectUVNode, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExpressionNode, ExtrudeGeometry, F_Schlick, FileLoader, FilmNode, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FogExp2Node, FogNode, FogRangeNode, FramebufferTexture, FrontFacingNode, FrontSide, Frustum, FunctionCallNode, FunctionNode, FunctionOverloadingNode, GLBufferAttribute, GLSL1, GLSL3, GLSLNodeParser, GaussianBlurNode, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HashNode, HemisphereLight, HemisphereLightHelper, HemisphereLightNode, IESSpotLight, IESSpotLightNode, INFINITY, IcosahedronGeometry, If, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, IndexNode, InstanceNode, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, InstancedPointsNodeMaterial, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, IrradianceNode, JoinNode, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightNode, LightProbe, LightingContextNode, LightingModel, LightingNode, LightsNode, Line, Line2NodeMaterial, Line3, LineBasicMaterial, LineBasicNodeMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineDashedNodeMaterial, LineLoop, LineSegments, LinearDisplayP3ColorSpace, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopNode, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, Lut3DNode, MOUSE, MatcapUVNode, Material, MaterialLoader, MaterialNode, MaterialReferenceNode, MathNode, MathUtils, Matrix3, Matrix4, MaxEquation, MaxMipLevelNode, Mesh, MeshBasicMaterial, MeshBasicNodeMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshLambertNodeMaterial, MeshMatcapMaterial, MeshMatcapNodeMaterial, MeshNormalMaterial, MeshNormalNodeMaterial, MeshPhongMaterial, MeshPhongNodeMaterial, MeshPhysicalMaterial, MeshPhysicalNodeMaterial, MeshSSSNodeMaterial, MeshStandardMaterial, MeshStandardNodeMaterial, MeshToonMaterial, MeshToonNodeMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, ModelNode, ModelViewProjectionNode, MorphNode, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, Node, NodeAttribute, NodeBuilder, NodeCache, NodeCode, NodeFrame, NodeFunctionInput, NodeKeywords, NodeLoader, NodeMaterial, NodeMaterialLoader, NodeObjectLoader, NodeShaderStage, NodeType, NodeUniform, NodeUpdateType, NodeUtils, NodeVar, NodeVarying, NormalAnimationBlendMode, NormalBlending, NormalMapNode, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, Object3DNode, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OperatorNode, OrthographicCamera, OscNode, OutputStructNode, P3Primaries, PCFShadowMap, PCFSoftShadowMap, PI, PI2, PMREMGenerator, PMREMNode, PackingNode, ParameterNode, PassNode, Path, PerspectiveCamera, PhongLightingModel, PhysicalLightingModel, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, PointLightNode, PointUVNode, Points, PointsMaterial, PointsNodeMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PostProcessing, PosterizeNode, PropertyBinding, PropertyMixer, PropertyNode, QuadMesh, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGBIntegerFormat, RGBShiftNode, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RTTNode, RangeNode, RawShaderMaterial, Ray, Raycaster, Rec709Primaries, RectAreaLight, RectAreaLightNode, RedFormat, RedIntegerFormat, ReferenceNode, ReflectorNode, ReinhardToneMapping, RemapNode, RenderTarget, RendererReferenceNode, RepeatWrapping, ReplaceStencilOp, Return, ReverseSubtractEquation, RingGeometry, RotateNode, RotateUVNode, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SRGBColorSpace, SRGBTransfer, Scene, SceneNode, Schlick_to_F0, ScriptableNode, ScriptableValueNode, SetNode, ShaderMaterial, ShaderNode, ShadowMaterial, ShadowNodeMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SkinningNode, SobelOperatorNode, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SplitNode, SpotLight, SpotLightHelper, SpotLightNode, Sprite, SpriteMaterial, SpriteNodeMaterial, SpriteSheetUVNode, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StackNode, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StorageArrayElementNode, StorageBufferAttribute, StorageBufferNode, StorageInstancedBufferAttribute, StorageTexture, StorageTextureNode, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TBNViewMatrix, TOUCH, TangentSpaceNormalMap, TempNode, TetrahedronGeometry, Texture, Texture3DNode, TextureBicubicNode, TextureLoader, TextureNode, TextureSizeNode, TimerNode, ToneMappingNode, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TriplanarTexturesNode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform$1 as Uniform, UniformGroupNode, UniformNode, UniformsGroup$1 as UniformsGroup, UniformsNode, UnsignedByteType, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, UserDataNode, VSMShadowMap, V_GGX_SmithCorrelated, VarNode, VaryingNode, Vector2, Vector3, Vector4, VectorKeyframeTrack, VertexColorNode, VideoTexture, ViewportDepthNode, ViewportDepthTextureNode, ViewportNode, ViewportSharedTextureNode, ViewportTextureNode, VolumeNodeMaterial, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLRenderTarget, WebGPUCoordinateSystem, WebGPURenderer, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, abs, acos, add, addLightNode, addNodeClass, addNodeElement, addNodeMaterial, afterImage, all, alphaT, anamorphic, and, anisotropy, anisotropyB, anisotropyT, any, append, arrayBuffer, asin, assign, atan, atan2, attribute, backgroundBlurriness, backgroundIntensity, batch, bitAnd, bitNot, bitOr, bitXor, bitangentGeometry, bitangentLocal, bitangentView, bitangentWorld, bitcast, blur, bmat2, bmat3, bmat4, bool, buffer, bufferAttribute, bumpMap, burn, bvec2, bvec3, bvec4, bypass, cache, call, cameraFar, cameraLogDepth, cameraNear, cameraNormalMatrix, cameraPosition, cameraProjectionMatrix, cameraProjectionMatrixInverse, cameraViewMatrix, cameraWorldMatrix, cbrt, ceil, checker, clamp, clearcoat, clearcoatRoughness, code, color, colorSpaceToLinear, colorToDirection, compute, cond, context, convert, cos, createCanvasElement, createNodeFromType, createNodeMaterialFromType, cross, cubeTexture, dFdx, dFdy, dashSize, defaultBuildStages, defaultShaderStages, defined, degrees, densityFog, depth, depthPass, difference, diffuseColor, directionToColor, discard, distance, div, dodge, dof, dot, dotScreen, drawIndex, dynamicBufferAttribute, element, equal, equals, equirectUV, exp, exp2, expression, faceDirection, faceForward, film, float, floor, fog, fract, frameGroup, frameId, frontFacing, fwidth, gain, gapSize, gaussianBlur, getConstNodeType, getCurrentStack, getDirection, getDistanceAttenuation, getGeometryRoughness, getRoughness, global, glsl, glslFn, greaterThan, greaterThanEqual, hash, hue, imat2, imat3, imat4, instance, instanceIndex, instancedBufferAttribute, instancedDynamicBufferAttribute, int, inverseSqrt, iridescence, iridescenceIOR, iridescenceThickness, ivec2, ivec3, ivec4, js, label, length, lengthSq, lessThan, lessThanEqual, lightTargetDirection, lightingContext, lights, lightsNode, linearDepth, linearToColorSpace, linearTosRGB, log, log2, loop, lumaCoeffs, luminance, lut3D, mat2, mat3, mat4, matcapUV, materialAlphaTest, materialAnisotropy, materialAnisotropyVector, materialClearcoat, materialClearcoatNormal, materialClearcoatRoughness, materialColor, materialDispersion, materialEmissive, materialIridescence, materialIridescenceIOR, materialIridescenceThickness, materialLineDashOffset, materialLineDashSize, materialLineGapSize, materialLineScale, materialLineWidth, materialMetalness, materialNormal, materialOpacity, materialPointWidth, materialReference, materialReflectivity, materialRotation, materialRoughness, materialSheen, materialSheenRoughness, materialShininess, materialSpecular, materialSpecularStrength, max$1 as max, maxMipLevel, metalness, min$1 as min, mix, mod, modelDirection, modelNormalMatrix, modelPosition, modelScale, modelViewMatrix, modelViewPosition, modelViewProjection, modelWorldMatrix, modelWorldMatrixInverse, morphReference, mul, mx_aastep, mx_cell_noise_float, mx_contrast, mx_fractal_noise_float, mx_fractal_noise_vec2, mx_fractal_noise_vec3, mx_fractal_noise_vec4, mx_hsvtorgb, mx_noise_float, mx_noise_vec3, mx_noise_vec4, mx_ramplr, mx_ramptb, mx_rgbtohsv, mx_safepower, mx_splitlr, mx_splittb, mx_srgb_texture_to_lin_rec709, mx_transform_uv, mx_worley_noise_float, mx_worley_noise_vec2, mx_worley_noise_vec3, negate, nodeArray, nodeImmutable, nodeObject, nodeObjects, nodeProxy, normalGeometry, normalLocal, normalMap, normalView, normalWorld, normalize, not, objectDirection, objectGroup, objectNormalMatrix, objectPosition, objectScale, objectViewMatrix, objectViewPosition, objectWorldMatrix, oneMinus, or, orthographicDepthToViewZ, oscSawtooth, oscSine, oscSquare, oscTriangle, output, outputStruct, overlay, overloadingFn, parabola, parallaxDirection, parallaxUV, parameter, pass, pcurve, perspectiveDepthToViewZ, pmremTexture, pointUV, pointWidth, positionGeometry, positionLocal, positionView, positionViewDirection, positionWorld, positionWorldDirection, posterize, pow, pow2, pow3, pow4, property, radians, rand, range, rangeFog, reciprocal, reference, referenceBuffer, reflect, reflectVector, reflectView, reflector, refract, remainder, remap, remapClamp, renderGroup, rendererReference, rgbShift, rotate, rotateUV, roughness, round, rtt, sRGBToLinear, sampler, saturate, saturation, screen, scriptable, scriptableValue, setCurrentStack, shaderStages, sheen, sheenRoughness, shiftLeft, shiftRight, shininess, sign, sin, sinc, skinning, skinningReference, smoothstep, sobel, specularColor, split, spritesheetUV, sqrt, stack, step, storage, storageObject, storageTexture, string, sub, tan, tangentGeometry, tangentLocal, tangentView, tangentWorld, temp, texture, texture3D, textureBicubic, textureCubeUV, textureLoad, texturePass, textureSize, textureStore, threshold, timerDelta, timerGlobal, timerLocal, toneMapping, transformDirection, transformedBentNormalView, transformedBitangentView, transformedBitangentWorld, transformedClearcoatNormalView, transformedNormalView, transformedNormalWorld, transformedTangentView, transformedTangentWorld, transpose, triNoise3D, triplanarTexture, triplanarTextures, trunc, tslFn, uint, umat2, umat3, umat4, uniform, uniformGroup, uniforms, userData, uv, uvec2, uvec3, uvec4, varying, varyingProperty, vec2, vec3, vec4, vectorComponents, vertexColor, vertexIndex, vibrance, viewZToOrthographicDepth, viewZToPerspectiveDepth, viewport, viewportBottomLeft, viewportBottomRight, viewportCoordinate, viewportDepthTexture, viewportLinearDepth, viewportMipTexture, viewportResolution, viewportSharedTexture, viewportTexture, viewportTopLeft, viewportTopRight, wgsl, wgslFn, xor }; diff --git a/build/three.webgpu.min.js b/build/three.webgpu.min.js index 032f43662b5e9e..4f4ed89917cdb9 100644 --- a/build/three.webgpu.min.js +++ b/build/three.webgpu.min.js @@ -3,4 +3,4 @@ * Copyright 2010-2024 Three.js Authors * SPDX-License-Identifier: MIT */ -const t="166",e={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},s={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},i=0,r=1,n=2,o=3,a=0,h=1,l=2,u=3,c=0,d=1,p=2,m=0,g=1,f=2,y=3,x=4,b=5,v=100,T=101,_=102,w=103,S=104,M=200,A=201,N=202,R=203,C=204,E=205,B=206,I=207,P=208,F=209,U=210,O=211,z=212,L=213,V=214,D=0,k=1,G=2,W=3,j=4,H=5,q=6,$=7,X=0,Y=1,J=2,Z=0,Q=1,K=2,tt=3,et=4,st=5,it=6,rt=7,nt="attached",ot="detached",at=300,ht=301,lt=302,ut=303,ct=304,dt=306,pt=1e3,mt=1001,gt=1002,ft=1003,yt=1004,xt=1004,bt=1005,vt=1005,Tt=1006,_t=1007,wt=1007,St=1008,Mt=1008,At=1009,Nt=1010,Rt=1011,Ct=1012,Et=1013,Bt=1014,It=1015,Pt=1016,Ft=1017,Ut=1018,Ot=1020,zt=35902,Lt=1021,Vt=1022,Dt=1023,kt=1024,Gt=1025,Wt=1026,jt=1027,Ht=1028,qt=1029,$t=1030,Xt=1031,Yt=1032,Jt=1033,Zt=33776,Qt=33777,Kt=33778,te=33779,ee=35840,se=35841,ie=35842,re=35843,ne=36196,oe=37492,ae=37496,he=37808,le=37809,ue=37810,ce=37811,de=37812,pe=37813,me=37814,ge=37815,fe=37816,ye=37817,xe=37818,be=37819,ve=37820,Te=37821,_e=36492,we=36494,Se=36495,Me=36283,Ae=36284,Ne=36285,Re=36286,Ce=2200,Ee=2201,Be=2202,Ie=2300,Pe=2301,Fe=2302,Ue=2400,Oe=2401,ze=2402,Le=2500,Ve=2501,De=0,ke=1,Ge=2,We=3200,je=3201,He=0,qe=1,$e="",Xe="srgb",Ye="srgb-linear",Je="display-p3",Ze="display-p3-linear",Qe="linear",Ke="srgb",ts="rec709",es="p3",ss=0,is=7680,rs=7681,ns=7682,os=7683,as=34055,hs=34056,ls=5386,us=512,cs=513,ds=514,ps=515,ms=516,gs=517,fs=518,ys=519,xs=512,bs=513,vs=514,Ts=515,_s=516,ws=517,Ss=518,Ms=519,As=35044,Ns=35048,Rs=35040,Cs=35045,Es=35049,Bs=35041,Is=35046,Ps=35050,Fs=35042,Us="100",Os="300 es",zs=2e3,Ls=2001;class Vs{addEventListener(t,e){void 0===this._listeners&&(this._listeners={});const s=this._listeners;void 0===s[t]&&(s[t]=[]),-1===s[t].indexOf(e)&&s[t].push(e)}hasEventListener(t,e){if(void 0===this._listeners)return!1;const s=this._listeners;return void 0!==s[t]&&-1!==s[t].indexOf(e)}removeEventListener(t,e){if(void 0===this._listeners)return;const s=this._listeners[t];if(void 0!==s){const t=s.indexOf(e);-1!==t&&s.splice(t,1)}}dispatchEvent(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const s=e.slice(0);for(let e=0,i=s.length;e>8&255]+Ds[t>>16&255]+Ds[t>>24&255]+"-"+Ds[255&e]+Ds[e>>8&255]+"-"+Ds[e>>16&15|64]+Ds[e>>24&255]+"-"+Ds[63&s|128]+Ds[s>>8&255]+"-"+Ds[s>>16&255]+Ds[s>>24&255]+Ds[255&i]+Ds[i>>8&255]+Ds[i>>16&255]+Ds[i>>24&255]).toLowerCase()}function Hs(t,e,s){return Math.max(e,Math.min(s,t))}function qs(t,e){return(t%e+e)%e}function $s(t,e,s){return(1-s)*t+s*e}function Xs(t,e){switch(e.constructor){case 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e-Math.abs(qs(t,2*e)-e)},smoothstep:function(t,e,s){return t<=e?0:t>=s?1:(t=(t-e)/(s-e))*t*(3-2*t)},smootherstep:function(t,e,s){return t<=e?0:t>=s?1:(t=(t-e)/(s-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(ks=t);let e=ks+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gs},radToDeg:function(t){return t*Ws},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,s,i,r){const n=Math.cos,o=Math.sin,a=n(s/2),h=o(s/2),l=n((e+i)/2),u=o((e+i)/2),c=n((e-i)/2),d=o((e-i)/2),p=n((i-e)/2),m=o((i-e)/2);switch(r){case"XYX":t.set(a*u,h*c,h*d,a*l);break;case"YZY":t.set(h*d,a*u,h*c,a*l);break;case"ZXZ":t.set(h*c,h*d,a*u,a*l);break;case"XZX":t.set(a*u,h*m,h*p,a*l);break;case"YXY":t.set(h*p,a*u,h*m,a*l);break;case"ZYZ":t.set(h*m,h*p,a*u,a*l);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Ys,denormalize:Xs};class Zs{constructor(t=0,e=0){Zs.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,s=this.y,i=t.elements;return this.x=i[0]*e+i[3]*s+i[6],this.y=i[1]*e+i[4]*s+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(Math.max(t,Math.min(e,s)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(Hs(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y;return e*e+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const s=Math.cos(e),i=Math.sin(e),r=this.x-t.x,n=this.y-t.y;return this.x=r*s-n*i+t.x,this.y=r*i+n*s+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qs{constructor(t,e,s,i,r,n,o,a,h){Qs.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,o,a,h)}set(t,e,s,i,r,n,o,a,h){const l=this.elements;return l[0]=t,l[1]=i,l[2]=o,l[3]=e,l[4]=r,l[5]=a,l[6]=s,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],this}extractBasis(t,e,s){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),s.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],o=s[3],a=s[6],h=s[1],l=s[4],u=s[7],c=s[2],d=s[5],p=s[8],m=i[0],g=i[3],f=i[6],y=i[1],x=i[4],b=i[7],v=i[2],T=i[5],_=i[8];return r[0]=n*m+o*y+a*v,r[3]=n*g+o*x+a*T,r[6]=n*f+o*b+a*_,r[1]=h*m+l*y+u*v,r[4]=h*g+l*x+u*T,r[7]=h*f+l*b+u*_,r[2]=c*m+d*y+p*v,r[5]=c*g+d*x+p*T,r[8]=c*f+d*b+p*_,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8];return e*n*l-e*o*h-s*r*l+s*o*a+i*r*h-i*n*a}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8],u=l*n-o*h,c=o*a-l*r,d=h*r-n*a,p=e*u+s*c+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=u*m,t[1]=(i*h-l*s)*m,t[2]=(o*s-i*n)*m,t[3]=c*m,t[4]=(l*e-i*a)*m,t[5]=(i*r-o*e)*m,t[6]=d*m,t[7]=(s*a-h*e)*m,t[8]=(n*e-s*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,s,i,r,n,o){const a=Math.cos(r),h=Math.sin(r);return this.set(s*a,s*h,-s*(a*n+h*o)+n+t,-i*h,i*a,-i*(-h*n+a*o)+o+e,0,0,1),this}scale(t,e){return this.premultiply(Ks.makeScale(t,e)),this}rotate(t){return this.premultiply(Ks.makeRotation(-t)),this}translate(t,e){return this.premultiply(Ks.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,s,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<9;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<9;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Ks=new Qs;const ti={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ei(t,e){return new ti[t](e)}function si(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function ii(){const t=si("canvas");return t.style.display="block",t}const ri={};function ni(t){t in ri||(ri[t]=!0,console.warn(t))}const oi=(new Qs).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ai=(new Qs).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ye]:{transfer:Qe,primaries:ts,toReference:t=>t,fromReference:t=>t},[Xe]:{transfer:Ke,primaries:ts,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ze]:{transfer:Qe,primaries:es,toReference:t=>t.applyMatrix3(ai),fromReference:t=>t.applyMatrix3(oi)},[Je]:{transfer:Ke,primaries:es,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ai),fromReference:t=>t.applyMatrix3(oi).convertLinearToSRGB()}},li=new Set([Ye,Ze]),ui={enabled:!0,_workingColorSpace:Ye,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!li.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,s){if(!1===this.enabled||e===s||!e||!s)return t;const i=hi[e].toReference;return(0,hi[s].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===$e?Qe:hi[t].transfer}};function ci(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function di(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let pi;class mi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===pi&&(pi=si("canvas")),pi.width=t.width,pi.height=t.height;const s=pi.getContext("2d");t instanceof ImageData?s.putImageData(t,0,0):s.drawImage(t,0,0,t.width,t.height),e=pi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=si("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==at)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}bi.DEFAULT_IMAGE=null,bi.DEFAULT_MAPPING=at,bi.DEFAULT_ANISOTROPY=1;class vi{constructor(t=0,e=0,s=0,i=1){vi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,o=.1,a=t.elements,h=a[0],l=a[4],u=a[8],c=a[1],d=a[5],p=a[9],m=a[2],g=a[6],f=a[10];if(Math.abs(l-c)a&&t>y?ty?a=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),n=Math.atan2(r,e*s);t=Math.sin(t*n)/r,o=Math.sin(o*n)/r}const r=o*s;if(a=a*t+c*r,h=h*t+d*r,l=l*t+p*r,u=u*t+m*r,t===1-o){const t=1/Math.sqrt(a*a+h*h+l*l+u*u);a*=t,h*=t,l*=t,u*=t}}t[e]=a,t[e+1]=h,t[e+2]=l,t[e+3]=u}static multiplyQuaternionsFlat(t,e,s,i,r,n){const o=s[i],a=s[i+1],h=s[i+2],l=s[i+3],u=r[n],c=r[n+1],d=r[n+2],p=r[n+3];return t[e]=o*p+l*u+a*d-h*c,t[e+1]=a*p+l*c+h*u-o*d,t[e+2]=h*p+l*d+o*c-a*u,t[e+3]=l*p-o*u-a*c-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,s,i){return this._x=t,this._y=e,this._z=s,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const s=t._x,i=t._y,r=t._z,n=t._order,o=Math.cos,a=Math.sin,h=o(s/2),l=o(i/2),u=o(r/2),c=a(s/2),d=a(i/2),p=a(r/2);switch(n){case"XYZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"YXZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"ZXY":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"ZYX":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"YZX":this._x=c*l*u+h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u-c*d*p;break;case"XZY":this._x=c*l*u-h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u+c*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const s=e/2,i=Math.sin(s);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],o=e[5],a=e[9],h=e[2],l=e[6],u=e[10],c=s+o+u;if(c>0){const t=.5/Math.sqrt(c+1);this._w=.25/t,this._x=(l-a)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>o&&s>u){const t=2*Math.sqrt(1+s-o-u);this._w=(l-a)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(o>u){const t=2*Math.sqrt(1+o-s-u);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(a+l)/t}else{const t=2*Math.sqrt(1+u-s-o);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(a+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return sMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(Hs(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,o=e._x,a=e._y,h=e._z,l=e._w;return this._x=s*l+n*o+i*h-r*a,this._y=i*l+n*a+r*o-s*h,this._z=r*l+n*h+s*a-i*o,this._w=n*l-s*o-i*a-r*h,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const s=this._x,i=this._y,r=this._z,n=this._w;let o=n*t._w+s*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=n,this._x=s,this._y=i,this._z=r,this;const a=1-o*o;if(a<=Number.EPSILON){const t=1-e;return this._w=t*n+e*this._w,this._x=t*s+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const h=Math.sqrt(a),l=Math.atan2(h,o),u=Math.sin((1-e)*l)/h,c=Math.sin(e*l)/h;return this._w=n*u+this._w*c,this._x=s*u+this._x*c,this._y=i*u+this._y*c,this._z=r*u+this._z*c,this._onChangeCallback(),this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ri{constructor(t=0,e=0,s=0){Ri.prototype.isVector3=!0,this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ei.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ei.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,o=t.z,a=t.w,h=2*(n*i-o*s),l=2*(o*e-r*i),u=2*(r*s-n*e);return this.x=e+a*h+n*u-o*l,this.y=s+a*l+o*h-r*u,this.z=i+a*u+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(Math.max(t,Math.min(e,s)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,o=e.y,a=e.z;return this.x=i*a-r*o,this.y=r*n-s*a,this.z=s*o-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return Ci.copy(this).projectOnVector(t),this.sub(Ci)}reflect(t){return this.sub(Ci.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(Hs(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ci=new Ri,Ei=new Ni;class Bi{constructor(t=new Ri(1/0,1/0,1/0),e=new Ri(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,s=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Pi),Pi.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ki),Gi.subVectors(this.max,ki),Ui.subVectors(t.a,ki),Oi.subVectors(t.b,ki),zi.subVectors(t.c,ki),Li.subVectors(Oi,Ui),Vi.subVectors(zi,Oi),Di.subVectors(Ui,zi);let e=[0,-Li.z,Li.y,0,-Vi.z,Vi.y,0,-Di.z,Di.y,Li.z,0,-Li.x,Vi.z,0,-Vi.x,Di.z,0,-Di.x,-Li.y,Li.x,0,-Vi.y,Vi.x,0,-Di.y,Di.x,0];return!!Hi(e,Ui,Oi,zi,Gi)&&(e=[1,0,0,0,1,0,0,0,1],!!Hi(e,Ui,Oi,zi,Gi)&&(Wi.crossVectors(Li,Vi),e=[Wi.x,Wi.y,Wi.z],Hi(e,Ui,Oi,zi,Gi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pi).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Pi).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ii[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ii[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ii[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ii[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ii[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ii[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ii[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ii[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ii)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ii=[new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri],Pi=new Ri,Fi=new Bi,Ui=new Ri,Oi=new Ri,zi=new Ri,Li=new Ri,Vi=new Ri,Di=new Ri,ki=new Ri,Gi=new Ri,Wi=new Ri,ji=new Ri;function Hi(t,e,s,i,r){for(let n=0,o=t.length-3;n<=o;n+=3){ji.fromArray(t,n);const o=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),a=e.dot(ji),h=s.dot(ji),l=i.dot(ji);if(Math.max(-Math.max(a,h,l),Math.min(a,h,l))>o)return!1}return!0}const qi=new Bi,$i=new Ri,Xi=new Ri;class Yi{constructor(t=new Ri,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const s=this.center;void 0!==e?s.copy(e):qi.setFromPoints(t).getCenter(s);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;$i.subVectors(t,this.center);const e=$i.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector($i,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Xi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint($i.copy(t.center).add(Xi)),this.expandByPoint($i.copy(t.center).sub(Xi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Ji=new Ri,Zi=new Ri,Qi=new Ri,Ki=new Ri,tr=new Ri,er=new Ri,sr=new Ri;class ir{constructor(t=new Ri,e=new Ri(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Ji)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const s=e.dot(this.direction);return s<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,s)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Ji.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Ji.copy(this.origin).addScaledVector(this.direction,e),Ji.distanceToSquared(t))}distanceSqToSegment(t,e,s,i){Zi.copy(t).add(e).multiplyScalar(.5),Qi.copy(e).sub(t).normalize(),Ki.copy(this.origin).sub(Zi);const r=.5*t.distanceTo(e),n=-this.direction.dot(Qi),o=Ki.dot(this.direction),a=-Ki.dot(Qi),h=Ki.lengthSq(),l=Math.abs(1-n*n);let u,c,d,p;if(l>0)if(u=n*a-o,c=n*o-a,p=r*l,u>=0)if(c>=-p)if(c<=p){const t=1/l;u*=t,c*=t,d=u*(u+n*c+2*o)+c*(n*u+c+2*a)+h}else c=r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c=-r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c<=-p?(u=Math.max(0,-(-n*r+o)),c=u>0?-r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h):c<=p?(u=0,c=Math.min(Math.max(-r,-a),r),d=c*(c+2*a)+h):(u=Math.max(0,-(n*r+o)),c=u>0?r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h);else c=n>0?-r:r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(Zi).addScaledVector(Qi,c),d}intersectSphere(t,e){Ji.subVectors(t.center,this.origin);const s=Ji.dot(this.direction),i=Ji.dot(Ji)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),o=s-n,a=s+n;return a<0?null:o<0?this.at(a,e):this.at(o,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,o,a;const h=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,c=this.origin;return h>=0?(s=(t.min.x-c.x)*h,i=(t.max.x-c.x)*h):(s=(t.max.x-c.x)*h,i=(t.min.x-c.x)*h),l>=0?(r=(t.min.y-c.y)*l,n=(t.max.y-c.y)*l):(r=(t.max.y-c.y)*l,n=(t.min.y-c.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n=0?(o=(t.min.z-c.z)*u,a=(t.max.z-c.z)*u):(o=(t.max.z-c.z)*u,a=(t.min.z-c.z)*u),s>a||o>i?null:((o>s||s!=s)&&(s=o),(a=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Ji)}intersectTriangle(t,e,s,i,r){tr.subVectors(e,t),er.subVectors(s,t),sr.crossVectors(tr,er);let n,o=this.direction.dot(sr);if(o>0){if(i)return null;n=1}else{if(!(o<0))return null;n=-1,o=-o}Ki.subVectors(this.origin,t);const a=n*this.direction.dot(er.crossVectors(Ki,er));if(a<0)return null;const h=n*this.direction.dot(tr.cross(Ki));if(h<0)return null;if(a+h>o)return null;const l=-n*Ki.dot(sr);return l<0?null:this.at(l/o,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class rr{constructor(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){rr.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g)}set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){const f=this.elements;return f[0]=t,f[4]=e,f[8]=s,f[12]=i,f[1]=r,f[5]=n,f[9]=o,f[13]=a,f[2]=h,f[6]=l,f[10]=u,f[14]=c,f[3]=d,f[7]=p,f[11]=m,f[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new rr).fromArray(this.elements)}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],e[9]=s[9],e[10]=s[10],e[11]=s[11],e[12]=s[12],e[13]=s[13],e[14]=s[14],e[15]=s[15],this}copyPosition(t){const e=this.elements,s=t.elements;return e[12]=s[12],e[13]=s[13],e[14]=s[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,s){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),s.setFromMatrixColumn(this,2),this}makeBasis(t,e,s){return this.set(t.x,e.x,s.x,0,t.y,e.y,s.y,0,t.z,e.z,s.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,s=t.elements,i=1/nr.setFromMatrixColumn(t,0).length(),r=1/nr.setFromMatrixColumn(t,1).length(),n=1/nr.setFromMatrixColumn(t,2).length();return e[0]=s[0]*i,e[1]=s[1]*i,e[2]=s[2]*i,e[3]=0,e[4]=s[4]*r,e[5]=s[5]*r,e[6]=s[6]*r,e[7]=0,e[8]=s[8]*n,e[9]=s[9]*n,e[10]=s[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,s=t.x,i=t.y,r=t.z,n=Math.cos(s),o=Math.sin(s),a=Math.cos(i),h=Math.sin(i),l=Math.cos(r),u=Math.sin(r);if("XYZ"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=-a*u,e[8]=h,e[1]=s+i*h,e[5]=t-r*h,e[9]=-o*a,e[2]=r-t*h,e[6]=i+s*h,e[10]=n*a}else if("YXZ"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t+r*o,e[4]=i*o-s,e[8]=n*h,e[1]=n*u,e[5]=n*l,e[9]=-o,e[2]=s*o-i,e[6]=r+t*o,e[10]=n*a}else if("ZXY"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t-r*o,e[4]=-n*u,e[8]=i+s*o,e[1]=s+i*o,e[5]=n*l,e[9]=r-t*o,e[2]=-n*h,e[6]=o,e[10]=n*a}else if("ZYX"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=i*h-s,e[8]=t*h+r,e[1]=a*u,e[5]=r*h+t,e[9]=s*h-i,e[2]=-h,e[6]=o*a,e[10]=n*a}else if("YZX"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=r-t*u,e[8]=i*u+s,e[1]=u,e[5]=n*l,e[9]=-o*l,e[2]=-h*l,e[6]=s*u+i,e[10]=t-r*u}else if("XZY"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=-u,e[8]=h*l,e[1]=t*u+r,e[5]=n*l,e[9]=s*u-i,e[2]=i*u-s,e[6]=o*l,e[10]=r*u+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(ar,t,hr)}lookAt(t,e,s){const i=this.elements;return cr.subVectors(t,e),0===cr.lengthSq()&&(cr.z=1),cr.normalize(),lr.crossVectors(s,cr),0===lr.lengthSq()&&(1===Math.abs(s.z)?cr.x+=1e-4:cr.z+=1e-4,cr.normalize(),lr.crossVectors(s,cr)),lr.normalize(),ur.crossVectors(cr,lr),i[0]=lr.x,i[4]=ur.x,i[8]=cr.x,i[1]=lr.y,i[5]=ur.y,i[9]=cr.y,i[2]=lr.z,i[6]=ur.z,i[10]=cr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],o=s[4],a=s[8],h=s[12],l=s[1],u=s[5],c=s[9],d=s[13],p=s[2],m=s[6],g=s[10],f=s[14],y=s[3],x=s[7],b=s[11],v=s[15],T=i[0],_=i[4],w=i[8],S=i[12],M=i[1],A=i[5],N=i[9],R=i[13],C=i[2],E=i[6],B=i[10],I=i[14],P=i[3],F=i[7],U=i[11],O=i[15];return r[0]=n*T+o*M+a*C+h*P,r[4]=n*_+o*A+a*E+h*F,r[8]=n*w+o*N+a*B+h*U,r[12]=n*S+o*R+a*I+h*O,r[1]=l*T+u*M+c*C+d*P,r[5]=l*_+u*A+c*E+d*F,r[9]=l*w+u*N+c*B+d*U,r[13]=l*S+u*R+c*I+d*O,r[2]=p*T+m*M+g*C+f*P,r[6]=p*_+m*A+g*E+f*F,r[10]=p*w+m*N+g*B+f*U,r[14]=p*S+m*R+g*I+f*O,r[3]=y*T+x*M+b*C+v*P,r[7]=y*_+x*A+b*E+v*F,r[11]=y*w+x*N+b*B+v*U,r[15]=y*S+x*R+b*I+v*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[12],n=t[1],o=t[5],a=t[9],h=t[13],l=t[2],u=t[6],c=t[10],d=t[14];return t[3]*(+r*a*u-i*h*u-r*o*c+s*h*c+i*o*d-s*a*d)+t[7]*(+e*a*d-e*h*c+r*n*c-i*n*d+i*h*l-r*a*l)+t[11]*(+e*h*u-e*o*d-r*n*u+s*n*d+r*o*l-s*h*l)+t[15]*(-i*o*l-e*a*u+e*o*c+i*n*u-s*n*c+s*a*l)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,s){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=s),this}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8],u=t[9],c=t[10],d=t[11],p=t[12],m=t[13],g=t[14],f=t[15],y=u*g*h-m*c*h+m*a*d-o*g*d-u*a*f+o*c*f,x=p*c*h-l*g*h-p*a*d+n*g*d+l*a*f-n*c*f,b=l*m*h-p*u*h+p*o*d-n*m*d-l*o*f+n*u*f,v=p*u*a-l*m*a-p*o*c+n*m*c+l*o*g-n*u*g,T=e*y+s*x+i*b+r*v;if(0===T)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const _=1/T;return t[0]=y*_,t[1]=(m*c*r-u*g*r-m*i*d+s*g*d+u*i*f-s*c*f)*_,t[2]=(o*g*r-m*a*r+m*i*h-s*g*h-o*i*f+s*a*f)*_,t[3]=(u*a*r-o*c*r-u*i*h+s*c*h+o*i*d-s*a*d)*_,t[4]=x*_,t[5]=(l*g*r-p*c*r+p*i*d-e*g*d-l*i*f+e*c*f)*_,t[6]=(p*a*r-n*g*r-p*i*h+e*g*h+n*i*f-e*a*f)*_,t[7]=(n*c*r-l*a*r+l*i*h-e*c*h-n*i*d+e*a*d)*_,t[8]=b*_,t[9]=(p*u*r-l*m*r-p*s*d+e*m*d+l*s*f-e*u*f)*_,t[10]=(n*m*r-p*o*r+p*s*h-e*m*h-n*s*f+e*o*f)*_,t[11]=(l*o*r-n*u*r-l*s*h+e*u*h+n*s*d-e*o*d)*_,t[12]=v*_,t[13]=(l*m*i-p*u*i+p*s*c-e*m*c-l*s*g+e*u*g)*_,t[14]=(p*o*i-n*m*i-p*s*a+e*m*a+n*s*g-e*o*g)*_,t[15]=(n*u*i-l*o*i+l*s*a-e*u*a-n*s*c+e*o*c)*_,this}scale(t){const e=this.elements,s=t.x,i=t.y,r=t.z;return e[0]*=s,e[4]*=i,e[8]*=r,e[1]*=s,e[5]*=i,e[9]*=r,e[2]*=s,e[6]*=i,e[10]*=r,e[3]*=s,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],s=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,s,i))}makeTranslation(t,e,s){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,s,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),s=Math.sin(t);return this.set(1,0,0,0,0,e,-s,0,0,s,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,0,s,0,0,1,0,0,-s,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,0,s,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const s=Math.cos(e),i=Math.sin(e),r=1-s,n=t.x,o=t.y,a=t.z,h=r*n,l=r*o;return this.set(h*n+s,h*o-i*a,h*a+i*o,0,h*o+i*a,l*o+s,l*a-i*n,0,h*a-i*o,l*a+i*n,r*a*a+s,0,0,0,0,1),this}makeScale(t,e,s){return this.set(t,0,0,0,0,e,0,0,0,0,s,0,0,0,0,1),this}makeShear(t,e,s,i,r,n){return this.set(1,s,r,0,t,1,n,0,e,i,1,0,0,0,0,1),this}compose(t,e,s){const i=this.elements,r=e._x,n=e._y,o=e._z,a=e._w,h=r+r,l=n+n,u=o+o,c=r*h,d=r*l,p=r*u,m=n*l,g=n*u,f=o*u,y=a*h,x=a*l,b=a*u,v=s.x,T=s.y,_=s.z;return i[0]=(1-(m+f))*v,i[1]=(d+b)*v,i[2]=(p-x)*v,i[3]=0,i[4]=(d-b)*T,i[5]=(1-(c+f))*T,i[6]=(g+y)*T,i[7]=0,i[8]=(p+x)*_,i[9]=(g-y)*_,i[10]=(1-(c+m))*_,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,s){const i=this.elements;let r=nr.set(i[0],i[1],i[2]).length();const n=nr.set(i[4],i[5],i[6]).length(),o=nr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],or.copy(this);const a=1/r,h=1/n,l=1/o;return or.elements[0]*=a,or.elements[1]*=a,or.elements[2]*=a,or.elements[4]*=h,or.elements[5]*=h,or.elements[6]*=h,or.elements[8]*=l,or.elements[9]*=l,or.elements[10]*=l,e.setFromRotationMatrix(or),s.x=r,s.y=n,s.z=o,this}makePerspective(t,e,s,i,r,n,o=2e3){const a=this.elements,h=2*r/(e-t),l=2*r/(s-i),u=(e+t)/(e-t),c=(s+i)/(s-i);let d,p;if(o===zs)d=-(n+r)/(n-r),p=-2*n*r/(n-r);else{if(o!==Ls)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);d=-n/(n-r),p=-n*r/(n-r)}return a[0]=h,a[4]=0,a[8]=u,a[12]=0,a[1]=0,a[5]=l,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=d,a[14]=p,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,s,i,r,n,o=2e3){const a=this.elements,h=1/(e-t),l=1/(s-i),u=1/(n-r),c=(e+t)*h,d=(s+i)*l;let p,m;if(o===zs)p=(n+r)*u,m=-2*u;else{if(o!==Ls)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);p=r*u,m=-1*u}return a[0]=2*h,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-d,a[2]=0,a[6]=0,a[10]=m,a[14]=-p,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<16;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<16;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t[e+9]=s[9],t[e+10]=s[10],t[e+11]=s[11],t[e+12]=s[12],t[e+13]=s[13],t[e+14]=s[14],t[e+15]=s[15],t}}const nr=new Ri,or=new rr,ar=new Ri(0,0,0),hr=new Ri(1,1,1),lr=new Ri,ur=new Ri,cr=new Ri,dr=new rr,pr=new Ni;class mr{constructor(t=0,e=0,s=0,i=mr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=s,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,s,i=this._order){return this._x=t,this._y=e,this._z=s,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,s=!0){const i=t.elements,r=i[0],n=i[4],o=i[8],a=i[1],h=i[5],l=i[9],u=i[2],c=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(Hs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(c,h),this._z=0);break;case"YXZ":this._x=Math.asin(-Hs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(a,h)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(Hs(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(a,r));break;case"ZYX":this._y=Math.asin(-Hs(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(c,d),this._z=Math.atan2(a,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(Hs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-Hs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(c,h),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===s&&this._onChangeCallback(),this}setFromQuaternion(t,e,s){return dr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(dr,e,s)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return pr.setFromEuler(this),this.setFromQuaternion(pr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}mr.DEFAULT_ORDER="XYZ";class gr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),o.length>0&&(s.images=o),a.length>0&&(s.shapes=a),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),u.length>0&&(s.nodes=u)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Ir.subVectors(i,e),Pr.subVectors(s,e),Fr.subVectors(t,e);const n=Ir.dot(Ir),o=Ir.dot(Pr),a=Ir.dot(Fr),h=Pr.dot(Pr),l=Pr.dot(Fr),u=n*h-o*o;if(0===u)return r.set(0,0,0),null;const c=1/u,d=(h*a-o*l)*c,p=(n*l-o*a)*c;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Ur)&&(Ur.x>=0&&Ur.y>=0&&Ur.x+Ur.y<=1)}static getInterpolation(t,e,s,i,r,n,o,a){return null===this.getBarycoord(t,e,s,i,Ur)?(a.x=0,a.y=0,"z"in a&&(a.z=0),"w"in a&&(a.w=0),null):(a.setScalar(0),a.addScaledVector(r,Ur.x),a.addScaledVector(n,Ur.y),a.addScaledVector(o,Ur.z),a)}static isFrontFacing(t,e,s,i){return Ir.subVectors(s,e),Pr.subVectors(t,e),Ir.cross(Pr).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Ir.subVectors(this.c,this.b),Pr.subVectors(this.a,this.b),.5*Ir.cross(Pr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Gr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Gr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return Gr.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return Gr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Gr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,o;Or.subVectors(i,s),zr.subVectors(r,s),Vr.subVectors(t,s);const a=Or.dot(Vr),h=zr.dot(Vr);if(a<=0&&h<=0)return e.copy(s);Dr.subVectors(t,i);const l=Or.dot(Dr),u=zr.dot(Dr);if(l>=0&&u<=l)return e.copy(i);const c=a*u-l*h;if(c<=0&&a>=0&&l<=0)return n=a/(a-l),e.copy(s).addScaledVector(Or,n);kr.subVectors(t,r);const d=Or.dot(kr),p=zr.dot(kr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-a*p;if(m<=0&&h>=0&&p<=0)return o=h/(h-p),e.copy(s).addScaledVector(zr,o);const g=l*p-d*u;if(g<=0&&u-l>=0&&d-p>=0)return Lr.subVectors(r,i),o=(u-l)/(u-l+(d-p)),e.copy(i).addScaledVector(Lr,o);const f=1/(g+m+c);return n=m*f,o=c*f,e.copy(s).addScaledVector(Or,n).addScaledVector(zr,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Wr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},Hr={h:0,s:0,l:0};function qr(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class $r{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Xe){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,ui.toWorkingColorSpace(this,e),this}setRGB(t,e,s,i=ui.workingColorSpace){return this.r=t,this.g=e,this.b=s,ui.toWorkingColorSpace(this,i),this}setHSL(t,e,s,i=ui.workingColorSpace){if(t=qs(t,1),e=Hs(e,0,1),s=Hs(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=qr(r,i,t+1/3),this.g=qr(r,i,t),this.b=qr(r,i,t-1/3)}return ui.toWorkingColorSpace(this,i),this}setStyle(t,e=Xe){function s(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],o=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Xe){const s=Wr[t.toLowerCase()];return void 0!==s?this.setHex(s,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=ci(t.r),this.g=ci(t.g),this.b=ci(t.b),this}copyLinearToSRGB(t){return this.r=di(t.r),this.g=di(t.g),this.b=di(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Xe){return ui.fromWorkingColorSpace(Xr.copy(this),t),65536*Math.round(Hs(255*Xr.r,0,255))+256*Math.round(Hs(255*Xr.g,0,255))+Math.round(Hs(255*Xr.b,0,255))}getHexString(t=Xe){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=ui.workingColorSpace){ui.fromWorkingColorSpace(Xr.copy(this),e);const s=Xr.r,i=Xr.g,r=Xr.b,n=Math.max(s,i,r),o=Math.min(s,i,r);let a,h;const l=(o+n)/2;if(o===n)a=0,h=0;else{const t=n-o;switch(h=l<=.5?t/(n+o):t/(2-n-o),n){case s:a=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),this.side!==c&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),this.blendSrc!==C&&(s.blendSrc=this.blendSrc),this.blendDst!==E&&(s.blendDst=this.blendDst),this.blendEquation!==v&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==ys&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==is&&(s.stencilFail=this.stencilFail),this.stencilZFail!==is&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==is&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Zr extends Jr{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Qr=Kr();function Kr(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),o=new Uint32Array(64),a=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;0==(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)o[t]=t<<23;o[31]=1199570944,o[32]=2147483648;for(let t=33;t<63;++t)o[t]=2147483648+(t-32<<23);o[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(a[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:o,offsetTable:a}}function tn(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=Hs(t,-65504,65504),Qr.floatView[0]=t;const e=Qr.uint32View[0],s=e>>23&511;return Qr.baseTable[s]+((8388607&e)>>Qr.shiftTable[s])}function en(t){const e=t>>10;return Qr.uint32View[0]=Qr.mantissaTable[Qr.offsetTable[e]+(1023&t)]+Qr.exponentTable[e],Qr.floatView[0]}const sn={toHalfFloat:tn,fromHalfFloat:en},rn=new Ri,nn=new Zs;class on{constructor(t,e,s=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=It,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;i=0;--e)if(t[e]>=65535)return!0;return!1}(t)?pn:cn)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,s=0){this.groups.push({start:t,count:e,materialIndex:s})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const s=this.attributes.normal;if(void 0!==s){const e=(new Qs).getNormalMatrix(t);s.applyNormalMatrix(e),s.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return yn.makeRotationFromQuaternion(t),this.applyMatrix4(yn),this}rotateX(t){return yn.makeRotationX(t),this.applyMatrix4(yn),this}rotateY(t){return yn.makeRotationY(t),this.applyMatrix4(yn),this}rotateZ(t){return yn.makeRotationZ(t),this.applyMatrix4(yn),this}translate(t,e,s){return yn.makeTranslation(t,e,s),this.applyMatrix4(yn),this}scale(t,e,s){return yn.makeScale(t,e,s),this.applyMatrix4(yn),this}lookAt(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(bn).negate(),this.translate(bn.x,bn.y,bn.z),this}setFromPoints(t){const e=[];for(let s=0,i=t.length;s0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const o=this.boundingSphere;return null!==o&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone(e));const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t(t.far-t.near)**2)return}Sn.copy(r).invert(),Mn.copy(t.ray).applyMatrix4(Sn),null!==s.boundingBox&&!1===Mn.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,Mn)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,o=r.index,a=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,u=r.attributes.normal,c=r.groups,d=r.drawRange;if(null!==o)if(Array.isArray(n))for(let r=0,a=c.length;rs.far?null:{distance:l,point:Dn.clone(),object:t}}(t,e,s,i,Rn,Cn,En,Vn);if(u){r&&(Pn.fromBufferAttribute(r,a),Fn.fromBufferAttribute(r,h),Un.fromBufferAttribute(r,l),u.uv=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),n&&(Pn.fromBufferAttribute(n,a),Fn.fromBufferAttribute(n,h),Un.fromBufferAttribute(n,l),u.uv1=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),o&&(On.fromBufferAttribute(o,a),zn.fromBufferAttribute(o,h),Ln.fromBufferAttribute(o,l),u.normal=Gr.getInterpolation(Vn,Rn,Cn,En,On,zn,Ln,new Ri),u.normal.dot(i.direction)>0&&u.normal.multiplyScalar(-1));const t={a:a,b:h,c:l,normal:new Ri,materialIndex:0};Gr.getNormal(Rn,Cn,En,t.normal),u.face=t}return u}class Wn extends wn{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const o=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const a=[],h=[],l=[],u=[];let c=0,d=0;function p(t,e,s,i,r,n,p,m,g,f,y){const x=n/g,b=p/f,v=n/2,T=p/2,_=m/2,w=g+1,S=f+1;let M=0,A=0;const N=new Ri;for(let n=0;n0?1:-1,l.push(N.x,N.y,N.z),u.push(a/g),u.push(1-n/f),M+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}}class qn extends Br{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new rr,this.projectionMatrix=new rr,this.projectionMatrixInverse=new rr,this.coordinateSystem=zs}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const $n=new Ri,Xn=new Zs,Yn=new Zs;class Jn extends qn{constructor(t=50,e=1,s=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=s,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Ws*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gs*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Ws*Math.atan(Math.tan(.5*Gs*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,s){$n.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set($n.x,$n.y).multiplyScalar(-t/$n.z),$n.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),s.set($n.x,$n.y).multiplyScalar(-t/$n.z)}getViewSize(t,e){return this.getViewBounds(t,Xn,Yn),e.subVectors(Yn,Xn)}setViewOffset(t,e,s,i,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gs*this.fov)/this.zoom,s=2*e,i=this.aspect*s,r=-.5*i;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,o=n.fullHeight;r+=n.offsetX*i/t,e-=n.offsetY*s/o,i*=n.width/t,s*=n.height/o}const o=this.filmOffset;0!==o&&(r+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-s,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const Zn=-90;class Qn extends Br{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new Jn(Zn,1,t,e);i.layers=this.layers,this.add(i);const r=new Jn(Zn,1,t,e);r.layers=this.layers,this.add(r);const n=new Jn(Zn,1,t,e);n.layers=this.layers,this.add(n);const o=new Jn(Zn,1,t,e);o.layers=this.layers,this.add(o);const a=new Jn(Zn,1,t,e);a.layers=this.layers,this.add(a);const h=new Jn(Zn,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,o,a]=e;for(const t of e)this.remove(t);if(t===zs)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),a.up.set(0,1,0),a.lookAt(0,0,-1);else{if(t!==Ls)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),a.up.set(0,-1,0),a.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,o,a,h,l]=this.children,u=t.getRenderTarget(),c=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1,t.setRenderTarget(s,0,i),t.render(e,r),t.setRenderTarget(s,1,i),t.render(e,n),t.setRenderTarget(s,2,i),t.render(e,o),t.setRenderTarget(s,3,i),t.render(e,a),t.setRenderTarget(s,4,i),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),t.render(e,l),t.setRenderTarget(u,c,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class Kn extends bi{constructor(t,e,s,i,r,n,o,a,h,l){super(t=void 0!==t?t:[],e=void 0!==e?e:ht,s,i,r,n,o,a,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class to extends _i{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const s={width:t,height:t,depth:1},i=[s,s,s,s,s,s];this.texture=new Kn(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Tt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const s={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Wn(5,5,5),r=new Hn({name:"CubemapFromEquirect",uniforms:jn(s.uniforms),vertexShader:s.vertexShader,fragmentShader:s.fragmentShader,side:d,blending:m});r.uniforms.tEquirect.value=e;const n=new kn(i,r),o=e.minFilter;e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,n),e.minFilter=o,n.geometry.dispose(),n.material.dispose(),this}clear(t,e,s,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,s,i);t.setRenderTarget(r)}}class eo{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new $r(t),this.density=e}clone(){return new eo(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class so{constructor(t,e=1,s=1e3){this.isFog=!0,this.name="",this.color=new $r(t),this.near=e,this.far=s}clone(){return new so(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class io extends Br{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new mr,this.environmentIntensity=1,this.environmentRotation=new mr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ro{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=js()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,s){t*=this.stride,s*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:a,point:lo.clone(),uv:Gr.getInterpolation(lo,fo,yo,xo,bo,vo,To,new Zs),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wo(t,e,s,i,r,n){po.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(mo.x=n*po.x-r*po.y,mo.y=r*po.x+n*po.y):mo.copy(po),t.copy(e),t.x+=mo.x,t.y+=mo.y,t.applyMatrix4(go)}const So=new Ri,Mo=new Ri;class Ao extends Br{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t0){let s,i;for(s=1,i=e.length;s0){So.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(So);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){So.setFromMatrixPosition(t.matrixWorld),Mo.setFromMatrixPosition(this.matrixWorld);const s=So.distanceTo(Mo)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i1?null:e.copy(t.start).addScaledVector(s,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||Ko.getNormalMatrix(t),i=this.coplanarPoint(Zo).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ea=new Yi,sa=new Ri;class ia{constructor(t=new ta,e=new ta,s=new ta,i=new ta,r=new ta,n=new ta){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(s),o[3].copy(i),o[4].copy(r),o[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3){const s=this.planes,i=t.elements,r=i[0],n=i[1],o=i[2],a=i[3],h=i[4],l=i[5],u=i[6],c=i[7],d=i[8],p=i[9],m=i[10],g=i[11],f=i[12],y=i[13],x=i[14],b=i[15];if(s[0].setComponents(a-r,c-h,g-d,b-f).normalize(),s[1].setComponents(a+r,c+h,g+d,b+f).normalize(),s[2].setComponents(a+n,c+l,g+p,b+y).normalize(),s[3].setComponents(a-n,c-l,g-p,b-y).normalize(),s[4].setComponents(a-o,c-u,g-m,b-x).normalize(),e===zs)s[5].setComponents(a+o,c+u,g+m,b+x).normalize();else{if(e!==Ls)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,m,x).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ea.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ea.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ea)}intersectsSprite(t){return ea.center.set(0,0,0),ea.radius=.7071067811865476,ea.applyMatrix4(t.matrixWorld),this.intersectsSphere(ea)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)0?t.max.x:t.min.x,sa.y=i.normal.y>0?t.max.y:t.min.y,sa.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(sa)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function ra(t,e){return t.z-e.z}function na(t,e){return e.z-t.z}class oa{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,s){const i=this.pool,r=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const n=i[this.index];r.push(n),this.index++,n.start=t.start,n.count=t.count,n.z=e,n.index=s}reset(){this.list.length=0,this.index=0}}const aa=new rr,ha=new rr,la=new rr,ua=new $r(1,1,1),ca=new rr,da=new ia,pa=new Bi,ma=new Yi,ga=new Ri,fa=new Ri,ya=new Ri,xa=new oa,ba=new kn,va=[];function Ta(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new on(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Bi);const t=this._geometryCount,e=this.boundingBox,s=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,s=this._matricesTexture,i=s.image.data;la.toArray(i,16*e),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(ua.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,s=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const n=this._reservedRanges,o=this._drawRanges,a=this._bounds;0!==this._geometryCount&&(r=n[n.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const h=t.getIndex(),l=null!==h;if(l&&(i.indexCount=-1===s?h.count:s,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const u=this._geometryCount;return this._geometryCount++,n.push(i),o.push({start:l?i.indexStart:i.vertexStart,count:-1}),a.push({boxInitialized:!1,box:new Bi,sphereInitialized:!1,sphere:new Yi}),this.setGeometryAt(u,t),u}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),o=this._reservedRanges[t];if(i&&n.count>o.indexCount||e.attributes.position.count>o.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const a=o.vertexStart,h=o.vertexCount;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Ta(i,r,a);const n=i.itemSize;for(let t=i.count,e=h;t=this._geometryCount)return null;const s=this._bounds[t],i=s.box,r=this.geometry;if(!1===s.boxInitialized){i.makeEmpty();const e=r.index,n=r.attributes.position,o=this._drawRanges[t];for(let t=o.start,s=o.start+o.count;t=this._geometryCount)return null;const s=this._bounds[t],i=s.sphere,r=this.geometry;if(!1===s.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,pa),pa.getCenter(i.center);const e=r.index,n=r.attributes.position,o=this._drawRanges[t];let a=0;for(let t=o.start,s=o.start+o.count;t=s.length||!1===s[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const s=this._drawInfo,i=this._matricesTexture.image.data;return t>=s.length||!1===s[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const s=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),s.needsUpdate=!0),this}getColorAt(t,e){const s=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(s,4*t)}setVisibleAt(t,e){const s=this._drawInfo;return t>=s.length||!1===s[t].active||s[t].visible===e||(s[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const s=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,n=this.geometry;ba.material=this.material,ba.geometry.index=n.index,ba.geometry.attributes=n.attributes,null===ba.geometry.boundingBox&&(ba.geometry.boundingBox=new Bi),null===ba.geometry.boundingSphere&&(ba.geometry.boundingSphere=new Yi);for(let n=0,o=s.length;n({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex(),o=null===n?1:n.array.BYTES_PER_ELEMENT,a=this._drawInfo,h=this._multiDrawStarts,l=this._multiDrawCounts,u=this._drawRanges,c=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;c&&(ca.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),da.setFromProjectionMatrix(ca,t.coordinateSystem));let m=0;if(this.sortObjects){ha.copy(this.matrixWorld).invert(),ga.setFromMatrixPosition(s.matrixWorld).applyMatrix4(ha),fa.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(ha);for(let t=0,e=a.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;ti)return;Ca.applyMatrix4(t.matrixWorld);const a=e.ray.origin.distanceTo(Ca);return ae.far?void 0:{distance:a,point:Ea.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Pa=new Ri,Fa=new Ri;class Ua extends Ba{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;tr.far)return;n.push({distance:h,distanceToRay:Math.sqrt(a),point:s,index:e,face:null,object:o})}}class ja extends Br{constructor(){super(),this.isGroup=!0,this.type="Group"}}class Ha extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isVideoTexture=!0,this.minFilter=void 0!==n?n:Tt,this.magFilter=void 0!==r?r:Tt,this.generateMipmaps=!1;const l=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){l.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class qa extends bi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class $a extends bi{constructor(t,e,s,i,r,n,o,a,h,l,u,c){super(null,n,o,a,h,l,i,r,u,c),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Xa extends $a{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Ya extends $a{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,ht),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Ja extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Za extends bi{constructor(t,e,s,i,r,n,o,a,h,l=1026){if(l!==Wt&&l!==jt)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===s&&l===Wt&&(s=Bt),void 0===s&&l===jt&&(s=Ot),super(null,i,r,n,o,a,l,s,h),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==o?o:ft,this.minFilter=void 0!==a?a:ft,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Qa{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const s=this.getUtoTmapping(t);return this.getPoint(s,e)}getPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPoint(s/t));return e}getSpacedPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPointAt(s/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let s,i=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)s=this.getPoint(n/t),r+=s.distanceTo(i),e.push(r),i=s;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const s=this.getLengths();let i=0;const r=s.length;let n;n=e||t*s[r-1];let o,a=0,h=r-1;for(;a<=h;)if(i=Math.floor(a+(h-a)/2),o=s[i]-n,o<0)a=i+1;else{if(!(o>0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),o=this.getPoint(r),a=e||(n.isVector2?new Zs:new Ri);return a.copy(o).sub(n).normalize(),a}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e){const s=new Ri,i=[],r=[],n=[],o=new Ri,a=new rr;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ri)}r[0]=new Ri,n[0]=new Ri;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),u=Math.abs(i[0].y),c=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),u<=h&&(h=u,s.set(0,1,0)),c<=h&&s.set(0,0,1),o.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],o),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),o.crossVectors(i[e-1],i[e]),o.length()>Number.EPSILON){o.normalize();const t=Math.acos(Hs(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(a.makeRotationAxis(o,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(Hs(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(o.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(a.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ka extends Qa{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,o=!1,a=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=o,this.aRotation=a}getPoint(t,e=new Zs){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?o=i[(h-1)%r]:(sh.subVectors(i[0],i[1]).add(i[0]),o=sh);const u=i[h%r],c=i[(h+1)%r];if(this.closed||h+2i.length-2?i.length-1:n+1],u=i[n>i.length-3?i.length-1:n+2];return s.set(ah(o,a.x,h.x,l.x,u.x),ah(o,a.y,h.y,l.y,u.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e=s){const t=i[r]-s,n=this.curves[r],o=n.getLength(),a=0===o?0:1-t/o;return n.getPointAt(a,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class vh extends wn{constructor(t=[new Zs(0,-.5),new Zs(.5,0),new Zs(0,.5)],e=12,s=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:s,phiLength:i},e=Math.floor(e),i=Hs(i,0,2*Math.PI);const r=[],n=[],o=[],a=[],h=[],l=1/e,u=new Ri,c=new Zs,d=new Ri,p=new Ri,m=new Ri;let g=0,f=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,m.copy(d),d.normalize(),a.push(d.x,d.y,d.z);break;case t.length-1:a.push(m.x,m.y,m.z);break;default:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),a.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=s+r*l*i,p=Math.sin(d),m=Math.cos(d);for(let s=0;s<=t.length-1;s++){u.x=t[s].x*p,u.y=t[s].y,u.z=t[s].x*m,n.push(u.x,u.y,u.z),c.x=r/e,c.y=s/(t.length-1),o.push(c.x,c.y);const i=a[3*s+0]*p,l=a[3*s+1],d=a[3*s+0]*m;h.push(i,l,d)}}for(let s=0;s0&&y(!0),e>0&&y(!1)),this.setIndex(l),this.setAttribute("position",new gn(u,3)),this.setAttribute("normal",new gn(c,3)),this.setAttribute("uv",new gn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new wh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Sh extends wh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,o=2*Math.PI){super(0,t,e,s,i,r,n,o),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:o}}static fromJSON(t){return new Sh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Mh extends wn{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function o(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const o=t.clone().lerp(s,i/r),a=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?o:o.clone().lerp(a,t/h)}for(let t=0;t.9&&o<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new gn(r,3)),this.setAttribute("normal",new gn(r.slice(),3)),this.setAttribute("uv",new gn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Mh(t.vertices,t.indices,t.radius,t.details)}}class Ah extends Mh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ah(t.radius,t.detail)}}const Nh=new Ri,Rh=new Ri,Ch=new Ri,Eh=new Gr;class Bh extends wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const 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b=t.prevZ,v=t.nextZ;for(;b&&b.z>=y&&v&&v.z<=x;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=y;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function Vh(t,e,s){let i=t;do{const r=i.prev,n=i.next.next;!Yh(r,n)&&Jh(r,i,i.next,n)&&Kh(r,n)&&Kh(n,r)&&(e.push(r.i/s|0),e.push(i.i/s|0),e.push(n.i/s|0),sl(i),sl(i.next),i=t=n),i=i.next}while(i!==t);return Uh(i)}function Dh(t,e,s,i,r,n){let o=t;do{let t=o.next.next;for(;t!==o.prev;){if(o.i!==t.i&&$h(o,t)){let a=tl(o,t);return o=Uh(o,o.next),a=Uh(a,a.next),Oh(o,e,s,i,r,n,0),void Oh(a,e,s,i,r,n,0)}t=t.next}o=o.next}while(o!==t)}function kh(t,e){return t.x-e.x}function Gh(t,e){const s=function(t,e){let s,i=e,r=-1/0;const n=t.x,o=t.y;do{if(o<=i.y&&o>=i.next.y&&i.next.y!==i.y){const t=i.x+(o-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=n&&t>r&&(r=t,s=i.x=i.x&&i.x>=h&&n!==i.x&&qh(os.x||i.x===s.x&&Wh(s,i)))&&(s=i,c=u)),i=i.next}while(i!==a);return s}(t,e);if(!s)return e;const i=tl(s,t);return Uh(i,i.next),Uh(s,s.next)}function Wh(t,e){return Xh(t.prev,t,e.prev)<0&&Xh(e.next,t,t.next)<0}function jh(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function Hh(t){let e=t,s=t;do{(e.x=(t-o)*(n-a)&&(t-o)*(i-a)>=(s-o)*(e-a)&&(s-o)*(n-a)>=(r-o)*(i-a)}function $h(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&Jh(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(Kh(t,e)&&Kh(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(Xh(t.prev,t,e.prev)||Xh(t,e.prev,e))||Yh(t,e)&&Xh(t.prev,t,t.next)>0&&Xh(e.prev,e,e.next)>0)}function Xh(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function Yh(t,e){return t.x===e.x&&t.y===e.y}function Jh(t,e,s,i){const r=Qh(Xh(t,e,s)),n=Qh(Xh(t,e,i)),o=Qh(Xh(s,i,t)),a=Qh(Xh(s,i,e));return r!==n&&o!==a||(!(0!==r||!Zh(t,s,e))||(!(0!==n||!Zh(t,i,e))||(!(0!==o||!Zh(s,t,i))||!(0!==a||!Zh(s,e,i)))))}function Zh(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function Qh(t){return t>0?1:t<0?-1:0}function Kh(t,e){return Xh(t.prev,t,t.next)<0?Xh(t,e,t.next)>=0&&Xh(t,t.prev,e)>=0:Xh(t,e,t.prev)<0||Xh(t,t.next,e)<0}function tl(t,e){const s=new il(t.i,t.x,t.y),i=new il(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function el(t,e,s,i){const r=new il(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function sl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function il(t,e,s){this.i=t,this.x=e,this.y=s,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class rl{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function ol(t,e){for(let s=0;sNumber.EPSILON){const c=Math.sqrt(u),d=Math.sqrt(h*h+l*l),p=e.x-a/c,m=e.y+o/c,g=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(o*l-a*h);i=p+o*g-t.x,r=m+a*g-t.y;const f=i*i+r*r;if(f<=2)return new Zs(i,r);n=Math.sqrt(f/2)}else{let t=!1;o>Number.EPSILON?h>Number.EPSILON&&(t=!0):o<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(a)===Math.sign(l)&&(t=!0),t?(i=-a,r=o,n=Math.sqrt(u)):(i=o,r=a,n=Math.sqrt(u/2))}return new Zs(i/n,r/n)}const B=[];for(let t=0,e=A.length,s=e-1,i=t+1;t=0;t--){const e=t/p,s=u*Math.cos(e*Math.PI/2),i=c*Math.sin(e*Math.PI/2)+d;for(let t=0,e=A.length;t=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=a+2*p;t0)&&d.push(e,r,h),(t!==s-1||a0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Al extends Jr{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new $r(16777215),this.specular=new $r(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Nl extends Jr{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $r(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Rl extends Jr{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Cl extends Jr{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class El extends Jr{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class Bl extends Jr{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class Il extends Jr{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $r(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Pl extends wa{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Fl(t,e,s){return!t||!s&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function Ul(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Ol(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort((function(e,s){return t[e]-t[s]})),s}function zl(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,o=0;o!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[o++]=t[i+s]}return r}function Ll(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let o=n[i];if(void 0!==o)if(Array.isArray(o))do{o=n[i],void 0!==o&&(e.push(n.time),s.push.apply(s,o)),n=t[r++]}while(void 0!==n);else if(void 0!==o.toArray)do{o=n[i],void 0!==o&&(e.push(n.time),o.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{o=n[i],void 0!==o&&(e.push(n.time),s.push(o)),n=t[r++]}while(void 0!==n)}const Vl={convertArray:Fl,isTypedArray:Ul,getKeyframeOrder:Ol,sortedArray:zl,flattenJSON:Ll,subclip:function(t,e,s,i,r=30){const n=t.clone();n.name=e;const o=[];for(let t=0;t=i)){h.push(e.times[t]);for(let s=0;sn.tracks[t].times[0]&&(a=n.tracks[t].times[0]);for(let t=0;t=i.times[c]){const t=c*h+a,e=t+h-a;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=a,s=h-a;t.evaluate(n),d=t.resultBuffer.slice(e,s)}if("quaternion"===r){(new Ni).fromArray(d).normalize().conjugate().toArray(d)}const p=o.times.length;for(let t=0;t=r)break t;{const o=e[1];t=r)break e}n=s,s=0}}for(;s>>1;te;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&Ul(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let o=1;o0){t[n]=t[r];for(let t=r*s,i=n*s,o=0;o!==s;++o)e[i+o]=e[t+o];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}jl.prototype.TimeBufferType=Float32Array,jl.prototype.ValueBufferType=Float32Array,jl.prototype.DefaultInterpolation=Pe;class Hl extends jl{constructor(t,e,s){super(t,e,s)}}Hl.prototype.ValueTypeName="bool",Hl.prototype.ValueBufferType=Array,Hl.prototype.DefaultInterpolation=Ie,Hl.prototype.InterpolantFactoryMethodLinear=void 0,Hl.prototype.InterpolantFactoryMethodSmooth=void 0;class ql extends jl{}ql.prototype.ValueTypeName="color";class $l extends jl{}$l.prototype.ValueTypeName="number";class Xl extends Dl{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,o=this.valueSize,a=(s-e)/(i-e);let h=t*o;for(let t=h+o;h!==t;h+=4)Ni.slerpFlat(r,0,n,h-o,n,h,a);return r}}class Yl extends jl{InterpolantFactoryMethodLinear(t){return new Xl(this.times,this.values,this.getValueSize(),t)}}Yl.prototype.ValueTypeName="quaternion",Yl.prototype.InterpolantFactoryMethodSmooth=void 0;class Jl extends jl{constructor(t,e,s){super(t,e,s)}}Jl.prototype.ValueTypeName="string",Jl.prototype.ValueBufferType=Array,Jl.prototype.DefaultInterpolation=Ie,Jl.prototype.InterpolantFactoryMethodLinear=void 0,Jl.prototype.InterpolantFactoryMethodSmooth=void 0;class Zl extends jl{}Zl.prototype.ValueTypeName="vector";class Ql{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=js(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(Kl(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=s.length;t!==i;++t)e.push(jl.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const s=function(t,e,s,i,r){if(0!==s.length){const n=[],o=[];Ll(s,n,o,i),0!==n.length&&r.push(new t(e,n,o))}},i=[],r=t.name||"default",n=t.fps||30,o=t.blendMode;let a=t.length||-1;const h=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==ru[t])return void ru[t].push({onLoad:e,onProgress:s,onError:i});ru[t]=[],ru[t].push({onLoad:e,onProgress:s,onError:i});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),o=this.mimeType,a=this.responseType;fetch(n).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const s=ru[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,o=0!==n;let a=0;const h=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{a+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n});for(let t=0,e=s.length;t{t.error(e)}))}()}});return new Response(h)}throw new nu(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(a){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,o)));case"json":return t.json();default:if(void 0===o)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(o),s=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(s);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{tu.add(t,e);const s=ru[t];delete ru[t];for(let t=0,i=s.length;t{const s=ru[t];if(void 0===s)throw this.manager.itemError(t),e;delete ru[t];for(let t=0,i=s.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class au extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),s,i)}parse(t){const e=[];for(let s=0;s0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=s(r.value);break;case"c":i.uniforms[e].value=(new $r).setHex(r.value);break;case"v2":i.uniforms[e].value=(new Zs).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Ri).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new vi).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qs).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new rr).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=s(t.map)),void 0!==t.matcap&&(i.matcap=s(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=s(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=s(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=s(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new Zs).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=s(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=s(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=s(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=s(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=s(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=s(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=s(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=s(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=s(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=s(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=s(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=s(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=s(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=s(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new Zs).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=s(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=s(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=s(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=s(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=s(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=s(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=s(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:_l,SpriteMaterial:ao,RawShaderMaterial:wl,ShaderMaterial:Hn,PointsMaterial:za,MeshPhysicalMaterial:Ml,MeshStandardMaterial:Sl,MeshPhongMaterial:Al,MeshToonMaterial:Nl,MeshNormalMaterial:Rl,MeshLambertMaterial:Cl,MeshDepthMaterial:El,MeshDistanceMaterial:Bl,MeshBasicMaterial:Zr,MeshMatcapMaterial:Il,LineDashedMaterial:Pl,LineBasicMaterial:wa,Material:Jr}[t]}}class Fu{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let s=0,i=t.length;s0){const s=new eu(e);r=new lu(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e0){i=new lu(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Bi;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const s=new Yi;return s.radius=t.sphereRadius,s.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:s}})),n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._geometryCount=t.geometryCount,n._matricesTexture=u(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=u(t.colorsTexture.uuid));break;case"LOD":n=new Ao;break;case"Line":n=new Ba(h(t.geometry),l(t.material));break;case"LineLoop":n=new Oa(h(t.geometry),l(t.material));break;case"LineSegments":n=new Ua(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new Ga(h(t.geometry),l(t.material));break;case"Sprite":n=new _o(l(t.material));break;case"Group":n=new ja;break;case"Bone":n=new zo;break;default:n=new Br}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const o=t.children;for(let t=0;t{e&&e(s),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(n),r.manager.itemEnd(t)}),0),n);const o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",o.headers=this.requestHeader;const a=fetch(t,o).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(s){return tu.add(t,s),e&&e(s),r.manager.itemEnd(t),s})).catch((function(e){i&&i(e),tu.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));tu.add(t,a),r.manager.itemStart(t)}}let Gu;class Wu{static getContext(){return void 0===Gu&&(Gu=new(window.AudioContext||window.webkitAudioContext)),Gu}static setContext(t){Gu=t}}class ju extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);function o(e){i?i(e):console.error(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(t){try{const s=t.slice(0);Wu.getContext().decodeAudioData(s,(function(t){e(t)})).catch(o)}catch(t){o(t)}}),s,i)}}const Hu=new rr,qu=new rr,$u=new rr;class Xu{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Jn,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Jn,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,$u.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(Gs*e.fov*.5)/e.zoom;let n,o;qu.elements[12]=-s,Hu.elements[12]=s,n=-r*e.aspect+i,o=r*e.aspect+i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraL.projectionMatrix.copy($u),n=-r*e.aspect-i,o=r*e.aspect-i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraR.projectionMatrix.copy($u)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(qu),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Hu)}}class Yu extends Jn{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Ju{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Zu(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Zu();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Zu(){return("undefined"==typeof performance?Date:performance).now()}const Qu=new Ri,Ku=new Ni,tc=new Ri,ec=new Ri;class sc extends Br{constructor(){super(),this.type="AudioListener",this.context=Wu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Ju}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,s=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Qu,Ku,tc),ec.set(0,0,-1).applyQuaternion(Ku),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Qu.x,t),e.positionY.linearRampToValueAtTime(Qu.y,t),e.positionZ.linearRampToValueAtTime(Qu.z,t),e.forwardX.linearRampToValueAtTime(ec.x,t),e.forwardY.linearRampToValueAtTime(ec.y,t),e.forwardZ.linearRampToValueAtTime(ec.z,t),e.upX.linearRampToValueAtTime(s.x,t),e.upY.linearRampToValueAtTime(s.y,t),e.upZ.linearRampToValueAtTime(s.z,t)}else e.setPosition(Qu.x,Qu.y,Qu.z),e.setOrientation(ec.x,ec.y,ec.z,s.x,s.y,s.z)}}class ic extends Br{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){o.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Ni.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Ni.multiplyQuaternionsFlat(t,n,t,e,t,s),Ni.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let o=0;o!==r;++o){const r=e+o;t[r]=t[r]*n+t[s+o]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const cc="\\[\\]\\.:\\/",dc=new RegExp("["+cc+"]","g"),pc="[^"+cc+"]",mc="[^"+cc.replace("\\.","")+"]",gc=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",pc)+/(WCOD+)?/.source.replace("WCOD",mc)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",pc)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",pc)+"$"),fc=["material","materials","bones","map"];class yc{constructor(t,e,s){this.path=e,this.parsedPath=s||yc.parseTrackName(e),this.node=yc.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new yc.Composite(t,e,s):new yc(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(dc,"")}static parseTrackName(t){const e=gc.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==fc.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[a]=n,t[n]=o;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let o=0,a=arguments.length;o!==a;++o){const a=arguments[o].uuid,h=e[a];if(void 0!==h)if(delete e[a],h0&&(e[o.uuid]=h),t[h]=o,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,o=this._parsedPaths,a=this._objects,h=a.length,l=this.nCachedObjects_,u=new Array(h);i=r.length,s[t]=i,n.push(t),o.push(e),r.push(u);for(let s=l,i=a.length;s!==i;++s){const i=a[s];u[s]=new yc(i,t,e)}return u}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,o=n.length-1,a=n[o];e[t[o]]=s,n[s]=a,n.pop(),r[s]=r[o],r.pop(),i[s]=i[o],i.pop()}}}class bc{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,o=new Array(n),a={endingStart:Ue,endingEnd:Ue};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);o[t]=e,e.settings=a}this._interpolantSettings=a,this._interpolants=o,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s){if(t.fadeOut(e),this.fadeIn(e),s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let o=this._timeScaleInterpolant;null===o&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);const a=o.parameterPositions,h=o.sampleValues;return a[0]=r,a[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),o=this._updateWeight(t);if(o>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Ve)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(o);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,o)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r?i:n&&1==(1&r)?e-i:i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const o=this.repetitions-r;if(o<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===o){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this.time=i;if(n&&1==(1&r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:Ue:ze,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:Ue:ze)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const o=n.parameterPositions,a=n.sampleValues;return o[0]=r,a[0]=e,o[1]=r+t,a[1]=s,this}}const vc=new Float32Array(1);class Tc extends Vs{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,o=t._interpolants,a=s.uuid,h=this._bindingsByRootAndName;let l=h[a];void 0===l&&(l={},h[a]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let u=l[h];if(void 0!==u)++u.referenceCount,n[t]=u;else{if(u=n[t],void 0!==u){null===u._cacheIndex&&(++u.referenceCount,this._addInactiveBinding(u,a,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;u=new uc(yc.create(s,h,i),r.ValueTypeName,r.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,a,h),n[t]=u}o[t].resultBuffer=u.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let o=0;o!==s;++o){e[o]._update(i,t,r,n)}const o=this._bindings,a=this._nActiveBindings;for(let t=0;t!==a;++t)o[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pc).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Uc=new Ri,Oc=new Ri;class zc{constructor(t=new Ri,e=new Ri){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Uc.subVectors(t,this.start),Oc.subVectors(this.end,this.start);const s=Oc.dot(Oc);let i=Oc.dot(Uc)/s;return e&&(i=Hs(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Lc=new Ri;class Vc extends Br{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new wn,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t1)for(let s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{ud.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(ud,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class md extends Ua{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new wn;s.setAttribute("position",new gn(e,3)),s.setAttribute("color",new gn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new wa({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new $r,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class gd{constructor(){this.type="ShapePath",this.color=new $r,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new bh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const s=e.length;let i=!1;for(let r=s-1,n=0;nNumber.EPSILON){if(h<0&&(s=e[n],a=-a,o=e[r],h=-h),t.yo.y)continue;if(t.y===s.y){if(t.x===s.x)return!0}else{const e=h*(t.x-s.x)-a*(t.y-s.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==s.y)continue;if(o.x<=t.x&&t.x<=s.x||s.x<=t.x&&t.x<=o.x)return!0}}return i}const s=rl.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,n,o;const a=[];if(1===i.length)return n=i[0],o=new Ih,o.curves=n.curves,a.push(o),a;let h=!s(i[0].getPoints());h=t?!h:h;const l=[],u=[];let c,d,p=[],m=0;u[m]=void 0,p[m]=[];for(let e=0,o=i.length;e1){let t=!1,s=0;for(let t=0,e=u.length;t0&&!1===t&&(p=l)}for(let t=0,e=u.length;t{this.requestId=self.requestAnimationFrame(t),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this.animationLoop&&this.animationLoop(e,s)};t()}dispose(){self.cancelAnimationFrame(this.requestId),this.requestId=null}setAnimationLoop(t){this.animationLoop=t}}class vd{constructor(){this.weakMap=new WeakMap}get(t){let e=this.weakMap;for(let s=0;s{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(t){const e=this.material;let s=this.clippingContext;Array.isArray(e.clippingPlanes)?(s!==t&&s||(s=new wd,this.clippingContext=s),s.update(t,e)):this.clippingContext!==t&&(this.clippingContext=t)}get clippingNeedsUpdate(){return this.clippingContext.version!==this.clippingContextVersion&&(this.clippingContextVersion=this.clippingContext.version,!0)}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getIndex(){return this._geometries.getIndex(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}getAttributes(){if(null!==this.attributes)return this.attributes;const t=this.getNodeBuilderState().nodeAttributes,e=this.geometry,s=[],i=new Set;for(const r of t){const t=r.node&&r.node.attribute?r.node.attribute:e.getAttribute(r.name);if(void 0===t)continue;s.push(t);const n=t.isInterleavedBufferAttribute?t.data:t;i.add(n)}return this.attributes=s,this.vertexBuffers=Array.from(i.values()),s}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getMaterialCacheKey(){const{object:t,material:e}=this;let s=e.customProgramCacheKey();for(const t of function(t){const e=Object.keys(t);let s=Object.getPrototypeOf(t);for(;s;){const t=Object.getOwnPropertyDescriptors(s);for(const s in t)if(void 0!==t[s]){const i=t[s];i&&"function"==typeof i.get&&e.push(s)}s=Object.getPrototypeOf(s)}return e}(e)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(t))continue;let i=e[t];if(null!==i){const t=typeof i;"number"===t?i=0!==i?"1":"0":"object"===t&&(i="{}")}s+=i+","}return s+=this.clippingContextVersion+",",t.skeleton&&(s+=t.skeleton.bones.length+","),t.morphTargetInfluences&&(s+=t.morphTargetInfluences.length+","),t.isBatchedMesh&&(s+=t._matricesTexture.uuid+",",null!==t._colorsTexture&&(s+=t._colorsTexture.uuid+",")),t.count>1&&(s+=t.count+","),s}get needsUpdate(){return this.initialNodesCacheKey!==this.getNodesCacheKey()||this.clippingNeedsUpdate}getNodesCacheKey(){return this._nodes.getCacheKey(this.scene,this.lightsNode)}getCacheKey(){return this.getMaterialCacheKey()+","+this.getNodesCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}class Ad{constructor(t,e,s,i,r,n){this.renderer=t,this.nodes=e,this.geometries=s,this.pipelines=i,this.bindings=r,this.info=n,this.chainMaps={}}get(t,e,s,i,r,n,o){const a=this.getChainMap(o),h=[t,e,n,r];let l=a.get(h);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,t,e,s,i,r,n,o),a.set(h,l)):(l.updateClipping(n.clippingContext),(l.version!==e.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(t,e,s,i,r,n,o)):l.version=e.version)),l}getChainMap(t="default"){return this.chainMaps[t]||(this.chainMaps[t]=new vd)}dispose(){this.chainMaps={}}createRenderObject(t,e,s,i,r,n,o,a,h,l){const u=this.getChainMap(l),c=new Md(t,e,s,i,r,n,o,a,h);return c.onDispose=()=>{this.pipelines.delete(c),this.bindings.delete(c),this.nodes.delete(c),u.delete(c.getChainArray())},c}}class Nd{constructor(){this.data=new WeakMap}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}delete(t){let e;return this.data.has(t)&&(e=this.data.get(t),this.data.delete(t)),e}has(t){return this.data.has(t)}dispose(){this.data=new WeakMap}}const Rd=1,Cd=2,Ed=4,Bd=16;class Id extends Nd{constructor(t){super(),this.backend=t}delete(t){const e=super.delete(t);return void 0!==e&&this.backend.destroyAttribute(t),e}update(t,e){const s=this.get(t);if(void 0===s.version)e===Rd?this.backend.createAttribute(t):e===Cd?this.backend.createIndexAttribute(t):e===Ed&&this.backend.createStorageAttribute(t),s.version=this._getBufferAttribute(t).version;else{const e=this._getBufferAttribute(t);(s.version=0;--e)if(t[e]>=65535)return!0;return!1}(e)?pn:cn)(e,1);return r.version=Pd(t),r}class Ud extends Nd{constructor(t,e){super(),this.attributes=t,this.info=e,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(t){const e=t.geometry;return super.has(e)&&!0===this.get(e).initialized}updateForRender(t){!1===this.has(t)&&this.initGeometry(t),this.updateAttributes(t)}initGeometry(t){const e=t.geometry;this.get(e).initialized=!0,this.info.memory.geometries++;const s=()=>{this.info.memory.geometries--;const i=e.index,r=t.getAttributes();null!==i&&this.attributes.delete(i);for(const t of r)this.attributes.delete(t);const n=this.wireframes.get(e);void 0!==n&&this.attributes.delete(n),e.removeEventListener("dispose",s)};e.addEventListener("dispose",s)}updateAttributes(t){const e=t.getAttributes();for(const t of e)t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute?this.updateAttribute(t,Ed):this.updateAttribute(t,Rd);const s=this.getIndex(t);null!==s&&this.updateAttribute(s,Cd)}updateAttribute(t,e){const s=this.info.render.calls;t.isInterleavedBufferAttribute?void 0===this.attributeCall.get(t)?(this.attributes.update(t,e),this.attributeCall.set(t,s)):this.attributeCall.get(t.data)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t.data,s),this.attributeCall.set(t,s)):this.attributeCall.get(t)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t,s))}getIndex(t){const{geometry:e,material:s}=t;let i=e.index;if(!0===s.wireframe){const t=this.wireframes;let s=t.get(e);void 0===s?(s=Fd(e),t.set(e,s)):s.version!==Pd(e)&&(this.attributes.delete(s),s=Fd(e),t.set(e,s)),i=s}return i}}class Od{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.compute={calls:0,frameCalls:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.memory={geometries:0,textures:0}}update(t,e,s){this.render.drawCalls++,t.isMesh||t.isSprite?this.render.triangles+=s*(e/3):t.isPoints?this.render.points+=s*e:t.isLineSegments?this.render.lines+=s*(e/2):t.isLine?this.render.lines+=s*(e-1):console.error("THREE.WebGPUInfo: Unknown object type.")}updateTimestamp(t,e){0===this[t].timestampCalls&&(this[t].timestamp=0),this[t].timestamp+=e,this[t].timestampCalls++,this[t].timestampCalls>=this[t].previousFrameCalls&&(this[t].timestampCalls=0)}reset(){const t=this.render.frameCalls;this.render.previousFrameCalls=t;const e=this.compute.frameCalls;this.compute.previousFrameCalls=e,this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class zd{constructor(t){this.cacheKey=t,this.usedTimes=0}}class Ld extends zd{constructor(t,e,s){super(t),this.vertexProgram=e,this.fragmentProgram=s}}class Vd extends zd{constructor(t,e){super(t),this.computeProgram=e,this.isComputePipeline=!0}}let Dd=0;class kd{constructor(t,e,s=null,i=null){this.id=Dd++,this.code=t,this.stage=e,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Gd extends Nd{constructor(t,e){super(),this.backend=t,this.nodes=e,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(t,e){const{backend:s}=this,i=this.get(t);if(this._needsComputeUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.computeProgram.usedTimes--);const n=this.nodes.getForCompute(t);let o=this.programs.compute.get(n.computeShader);void 0===o&&(r&&0===r.computeProgram.usedTimes&&this._releaseProgram(r.computeProgram),o=new kd(n.computeShader,"compute",n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),s.createProgram(o));const a=this._getComputeCacheKey(t,o);let h=this.caches.get(a);void 0===h&&(r&&0===r.usedTimes&&this._releasePipeline(r),h=this._getComputePipeline(t,o,a,e)),h.usedTimes++,o.usedTimes++,i.version=t.version,i.pipeline=h}return i.pipeline}getForRender(t,e=null){const{backend:s}=this,i=this.get(t);if(this._needsRenderUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.vertexProgram.usedTimes--,r.fragmentProgram.usedTimes--);const n=t.getNodeBuilderState();let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(r&&0===r.vertexProgram.usedTimes&&this._releaseProgram(r.vertexProgram),o=new kd(n.vertexShader,"vertex"),this.programs.vertex.set(n.vertexShader,o),s.createProgram(o));let a=this.programs.fragment.get(n.fragmentShader);void 0===a&&(r&&0===r.fragmentProgram.usedTimes&&this._releaseProgram(r.fragmentProgram),a=new kd(n.fragmentShader,"fragment"),this.programs.fragment.set(n.fragmentShader,a),s.createProgram(a));const h=this._getRenderCacheKey(t,o,a);let l=this.caches.get(h);void 0===l?(r&&0===r.usedTimes&&this._releasePipeline(r),l=this._getRenderPipeline(t,o,a,h,e)):t.pipeline=l,l.usedTimes++,o.usedTimes++,a.usedTimes++,i.pipeline=l}return i.pipeline}delete(t){const e=this.get(t).pipeline;return e&&(e.usedTimes--,0===e.usedTimes&&this._releasePipeline(e),e.isComputePipeline?(e.computeProgram.usedTimes--,0===e.computeProgram.usedTimes&&this._releaseProgram(e.computeProgram)):(e.fragmentProgram.usedTimes--,e.vertexProgram.usedTimes--,0===e.vertexProgram.usedTimes&&this._releaseProgram(e.vertexProgram),0===e.fragmentProgram.usedTimes&&this._releaseProgram(e.fragmentProgram))),super.delete(t)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(t){this.getForRender(t)}_getComputePipeline(t,e,s,i){s=s||this._getComputeCacheKey(t,e);let r=this.caches.get(s);return void 0===r&&(r=new Vd(s,e),this.caches.set(s,r),this.backend.createComputePipeline(r,i)),r}_getRenderPipeline(t,e,s,i,r){i=i||this._getRenderCacheKey(t,e,s);let n=this.caches.get(i);return void 0===n&&(n=new Ld(i,e,s),this.caches.set(i,n),t.pipeline=n,this.backend.createRenderPipeline(t,r)),n}_getComputeCacheKey(t,e){return t.id+","+e.id}_getRenderCacheKey(t,e,s){return e.id+","+s.id+","+this.backend.getRenderCacheKey(t)}_releasePipeline(t){this.caches.delete(t.cacheKey)}_releaseProgram(t){const e=t.code,s=t.stage;this.programs[s].delete(e)}_needsComputeUpdate(t){const e=this.get(t);return void 0===e.pipeline||e.version!==t.version}_needsRenderUpdate(t){return void 0===this.get(t).pipeline||this.backend.needsRenderUpdate(t)}}class Wd extends Nd{constructor(t,e,s,i,r,n){super(),this.backend=t,this.textures=s,this.pipelines=r,this.attributes=i,this.nodes=e,this.info=n,this.pipelines.bindings=this}getForRender(t){const e=t.getBindings();for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}getForCompute(t){const e=this.nodes.getForCompute(t).bindings;for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}updateForCompute(t){this._updateBindings(t,this.getForCompute(t))}updateForRender(t){this._updateBindings(t,this.getForRender(t))}_updateBindings(t,e){for(const s of e)this._update(t,s,e)}_init(t){for(const e of t.bindings)if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isStorageBuffer){const t=e.attribute;this.attributes.update(t,Ed)}}_update(t,e,s){const{backend:i}=this;let r=!1;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&i.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=t.texture;t.needsBindingsUpdate&&(r=!0);const s=t.update();s&&this.textures.updateTexture(t.texture);const n=i.get(t.texture);if(!0===i.isWebGPUBackend&&void 0===n.texture&&void 0===n.externalTexture&&(console.error("Bindings._update: binding should be available:",t,s,t.texture,t.textureNode.value),this.textures.updateTexture(t.texture),r=!0),!0===e.isStorageTexture){const s=this.get(e);!0===t.store?s.needsMipmap=!0:!0===e.generateMipmaps&&this.textures.needsMipmaps(e)&&!0===s.needsMipmap&&(this.backend.generateMipmaps(e),s.needsMipmap=!1)}}}if(!0===r){const i=this.pipelines.getForRender(t);this.backend.updateBindings(e,s,i)}}}const jd={VERTEX:"vertex",FRAGMENT:"fragment"},Hd={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},qd={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},$d=["fragment","vertex"],Xd=["setup","analyze","generate"],Yd=[...$d,"compute"],Jd=["x","y","z","w"];function Zd(t,e=!1){let s="{";!0===t.isNode&&(s+=t.id);for(const{property:i,childNode:r}of Qd(t))s+=","+i.slice(0,-4)+":"+r.getCacheKey(e);return s+="}",s}function*Qd(t,e=!1){for(const s in t){if(!0===s.startsWith("_"))continue;const i=t[s];if(!0===Array.isArray(i))for(let t=0;tt.charCodeAt(0))).buffer}var ip=Object.freeze({__proto__:null,arrayBufferToBase64:ep,base64ToArrayBuffer:sp,getCacheKey:Zd,getNodeChildren:Qd,getValueFromType:tp,getValueType:Kd});const rp=new Map;let np=0;class op extends Vs{constructor(t=null){super(),this.nodeType=t,this.updateType=Hd.NONE,this.updateBeforeType=Hd.NONE,this.updateAfterType=Hd.NONE,this.uuid=Js.generateUUID(),this.version=0,this._cacheKey=null,this._cacheKeyVersion=0,this.global=!1,this.isNode=!0,Object.defineProperty(this,"id",{value:np++})}set needsUpdate(t){!0===t&&this.version++}get type(){return this.constructor.type}onUpdate(t,e){return this.updateType=e,this.update=t.bind(this.getSelf()),this}onFrameUpdate(t){return this.onUpdate(t,Hd.FRAME)}onRenderUpdate(t){return this.onUpdate(t,Hd.RENDER)}onObjectUpdate(t){return this.onUpdate(t,Hd.OBJECT)}onReference(t){return this.updateReference=t.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:t}of Qd(this))yield t}dispose(){this.dispatchEvent({type:"dispose"})}traverse(t){t(this);for(const e of this.getChildren())e.traverse(t)}getCacheKey(t=!1){return!0!==(t=t||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=Zd(this,t),this._cacheKeyVersion=this.version),this._cacheKey}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(t){const e=this.getNodeType(t);return t.getElementType(e)}getNodeType(t){const e=t.getNodeProperties(this);return e.outputNode?e.outputNode.getNodeType(t):this.nodeType}getShared(t){const e=this.getHash(t);return t.getNodeFromHash(e)||this}setup(t){const e=t.getNodeProperties(this);let s=0;for(const t of this.getChildren())e["node"+s++]=t;return null}construct(t){return console.warn("THREE.Node: construct() is deprecated. Use setup() instead."),this.setup(t)}increaseUsage(t){const e=t.getDataFromNode(this);return e.usageCount=void 0===e.usageCount?1:e.usageCount+1,e.usageCount}analyze(t){if(1===this.increaseUsage(t)){const e=t.getNodeProperties(this);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);if(s&&!0===s.isNode)return s.build(t,e)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(t,e=null){const s=this.getShared(t);if(this!==s)return s.build(t,e);t.addNode(this),t.addChain(this);let i=null;const r=t.getBuildStage();if("setup"===r){this.updateReference(t);const e=t.getNodeProperties(this);if(!0!==e.initialized){const s=t.stack.nodes.length;e.initialized=!0,e.outputNode=this.setup(t),null!==e.outputNode&&t.stack.nodes.length!==s&&(e.outputNode=t.stack);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}else if("analyze"===r)this.analyze(t);else if("generate"===r){if(1===this.generate.length){const s=this.getNodeType(t),r=t.getDataFromNode(this);i=r.snippet,void 0===i&&(i=this.generate(t)||"",r.snippet=i),i=t.format(i,s,e)}else i=this.generate(t,e)||""}return t.removeChain(this),i}getSerializeChildren(){return Qd(this)}serialize(t){const e=this.getSerializeChildren(),s={};for(const{property:i,index:r,childNode:n}of e)void 0!==r?(void 0===s[i]&&(s[i]=Number.isInteger(r)?[]:{}),s[i][r]=n.toJSON(t.meta).uuid):s[i]=n.toJSON(t.meta).uuid;Object.keys(s).length>0&&(t.inputNodes=s)}deserialize(t){if(void 0!==t.inputNodes){const e=t.meta.nodes;for(const s in t.inputNodes)if(Array.isArray(t.inputNodes[s])){const i=[];for(const r of t.inputNodes[s])i.push(e[r]);this[s]=i}else if("object"==typeof t.inputNodes[s]){const i={};for(const r in t.inputNodes[s]){const n=t.inputNodes[s][r];i[r]=e[n]}this[s]=i}else{const i=t.inputNodes[s];this[s]=e[i]}}}toJSON(t){const{uuid:e,type:s}=this,i=void 0===t||"string"==typeof t;i&&(t={textures:{},images:{},nodes:{}});let r=t.nodes[e];function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(void 0===r&&(r={uuid:e,type:s,meta:t,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==i&&(t.nodes[r.uuid]=r),this.serialize(r),delete r.meta),i){const e=n(t.textures),s=n(t.images),i=n(t.nodes);e.length>0&&(r.textures=e),s.length>0&&(r.images=s),i.length>0&&(r.nodes=i)}return r}}function ap(t,e){if("function"!=typeof e||!t)throw new Error(`Node class ${t} is not a class`);rp.has(t)?console.warn(`Redefinition of node class ${t}`):(rp.set(t,e),e.type=t)}function hp(t){const e=rp.get(t);if(void 0!==e)return new e}class lp extends op{constructor(t){super(t),this.isTempNode=!0}hasDependencies(t){return t.getDataFromNode(this).usageCount>1}build(t,e){if("generate"===t.getBuildStage()){const s=t.getVectorType(this.getNodeType(t,e)),i=t.getDataFromNode(this);if(void 0!==i.propertyName)return t.format(i.propertyName,s,e);if("void"!==s&&"void"!==e&&this.hasDependencies(t)){const r=super.build(t,s),n=t.getVarFromNode(this,null,s),o=t.getPropertyName(n);return t.addLineFlowCode(`${o} = ${r}`),i.snippet=r,i.propertyName=o,t.format(i.propertyName,s,e)}}return super.build(t,e)}}ap("TempNode",lp);class up extends op{constructor(t,e){super(),this.node=t,this.indexNode=e,this.isArrayElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){return`${this.node.build(t)}[ ${this.indexNode.build(t,"uint")} ]`}}ap("ArrayElementNode",up);class cp extends op{constructor(t,e){super(),this.node=t,this.convertTo=e}getNodeType(t){const e=this.node.getNodeType(t);let s=null;for(const i of this.convertTo.split("|"))null!==s&&t.getTypeLength(e)!==t.getTypeLength(i)||(s=i);return s}serialize(t){super.serialize(t),t.convertTo=this.convertTo}deserialize(t){super.deserialize(t),this.convertTo=t.convertTo}generate(t,e){const s=this.node,i=this.getNodeType(t),r=s.build(t,i);return t.format(r,i,e)}}ap("ConvertNode",cp);class dp extends lp{constructor(t=[],e=null){super(e),this.nodes=t}getNodeType(t){return null!==this.nodeType?t.getVectorType(this.nodeType):t.getTypeFromLength(this.nodes.reduce(((e,s)=>e+t.getTypeLength(s.getNodeType(t))),0))}generate(t,e){const s=this.getNodeType(t),i=this.nodes,r=t.getComponentType(s),n=[];for(const e of i){let s=e.build(t);const i=t.getComponentType(e.getNodeType(t));i!==r&&(s=t.format(s,i,r)),n.push(s)}const o=`${t.getType(s)}( ${n.join(", ")} )`;return t.format(o,s,e)}}ap("JoinNode",dp);const pp=Jd.join("");class mp extends op{constructor(t,e="x"){super(),this.node=t,this.components=e,this.isSplitNode=!0}getVectorLength(){let t=this.components.length;for(const e of this.components)t=Math.max(Jd.indexOf(e)+1,t);return t}getComponentType(t){return t.getComponentType(this.node.getNodeType(t))}getNodeType(t){return t.getTypeFromLength(this.components.length,this.getComponentType(t))}generate(t,e){const s=this.node,i=t.getTypeLength(s.getNodeType(t));let r=null;if(i>1){let n=null;this.getVectorLength()>=i&&(n=t.getTypeFromLength(this.getVectorLength(),this.getComponentType(t)));const o=s.build(t,n);r=this.components.length===i&&this.components===pp.slice(0,this.components.length)?t.format(o,n,e):t.format(`${o}.${this.components}`,this.getNodeType(t),e)}else r=s.build(t,e);return r}serialize(t){super.serialize(t),t.components=this.components}deserialize(t){super.deserialize(t),this.components=t.components}}ap("SplitNode",mp);class gp extends lp{constructor(t,e,s){super(),this.sourceNode=t,this.components=e,this.targetNode=s}getNodeType(t){return this.sourceNode.getNodeType(t)}generate(t){const{sourceNode:e,components:s,targetNode:i}=this,r=this.getNodeType(t),n=t.getTypeFromLength(s.length),o=i.build(t,n),a=e.build(t,r),h=t.getTypeLength(r),l=[];for(let t=0;tt.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),_p={setup(t,e){const s=e.shift();return t($p(s),...e)},get(t,e,s){if("string"==typeof e&&void 0===t[e]){if(!0!==t.isStackNode&&"assign"===e)return(...t)=>(xp.assign(s,...t),s);if(bp.has(e)){const i=bp.get(e);return t.isStackNode?(...t)=>s.add(i(...t)):(...t)=>i(s,...t)}if("self"===e)return t;if(e.endsWith("Assign")&&bp.has(e.slice(0,e.length-6))){const i=bp.get(e.slice(0,e.length-6));return t.isStackNode?(...t)=>s.assign(t[0],i(...t)):(...t)=>s.assign(i(s,...t))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(e))return e=Tp(e),qp(new mp(s,e));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(e))return e=(e=Tp(e.slice(3).toLowerCase())).split("").sort().join(""),s=>qp(new gp(t,e,s));if("width"===e||"height"===e||"depth"===e)return"width"===e?e="x":"height"===e?e="y":"depth"===e&&(e="z"),qp(new mp(t,e));if(!0===/^\d+$/.test(e))return qp(new up(s,new yp(Number(e),"uint")))}return Reflect.get(t,e,s)},set:(t,e,s,i)=>"string"!=typeof e||void 0!==t[e]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(e)&&"width"!==e&&"height"!==e&&"depth"!==e&&!0!==/^\d+$/.test(e)?Reflect.set(t,e,s,i):(i[e].assign(s),!0)},wp=new WeakMap,Sp=new WeakMap,Mp=function(t,e=null){for(const s in t)t[s]=qp(t[s],e);return t},Ap=function(t,e=null){const s=t.length;for(let i=0;iqp(null!==i?Object.assign(t,i):t);return null===e?(...e)=>r(new t(...Xp(e))):null!==s?(s=qp(s),(...i)=>r(new t(e,...Xp(i),s))):(...s)=>r(new t(e,...Xp(s)))},Rp=function(t,...e){return qp(new t(...Xp(e)))};class Cp extends op{constructor(t,e){super(),this.shaderNode=t,this.inputNodes=e}getNodeType(t){const e=t.getNodeProperties(this);return null===e.outputNode&&(e.outputNode=this.setupOutput(t)),e.outputNode.getNodeType(t)}call(t){const{shaderNode:e,inputNodes:s}=this;if(e.layout){let i=Sp.get(t.constructor);void 0===i&&(i=new WeakMap,Sp.set(t.constructor,i));let r=i.get(e);return void 0===r&&(r=qp(t.buildFunctionNode(e)),i.set(e,r)),null!==t.currentFunctionNode&&t.currentFunctionNode.includes.push(r),qp(r.call(s))}const i=e.jsFunc,r=null!==s?i(s,t.stack,t):i(t.stack,t);return qp(r)}setup(t){const{outputNode:e}=t.getNodeProperties(this);return e||this.setupOutput(t)}setupOutput(t){return t.addStack(),t.stack.outputNode=this.call(t),t.removeStack()}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);return null===s?this.call(t).build(t,e):super.generate(t,e)}}class Ep extends op{constructor(t){super(),this.jsFunc=t,this.layout=null,this.global=!0}get isArrayInput(){return/^\((\s+)?\[/.test(this.jsFunc.toString())}setLayout(t){return this.layout=t,this}call(t=null){return $p(t),qp(new Cp(this,t))}setup(){return this.call()}}const Bp=[!1,!0],Ip=[0,1,2,3],Pp=[-1,-2],Fp=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Up=new Map;for(const t of Bp)Up.set(t,new yp(t));const Op=new Map;for(const t of Ip)Op.set(t,new yp(t,"uint"));const zp=new Map([...Op].map((t=>new yp(t.value,"int"))));for(const t of Pp)zp.set(t,new yp(t,"int"));const Lp=new Map([...zp].map((t=>new yp(t.value))));for(const t of Fp)Lp.set(t,new yp(t));for(const t of Fp)Lp.set(-t,new yp(-t));const Vp={bool:Up,uint:Op,ints:zp,float:Lp},Dp=new Map([...Up,...Lp]),kp=(t,e)=>Dp.has(t)?Dp.get(t):!0===t.isNode?t:new yp(t,e),Gp=function(t,e=null){return(...s)=>{if((0===s.length||!["bool","float","int","uint"].includes(t)&&s.every((t=>"object"!=typeof t)))&&(s=[tp(t,...s)]),1===s.length&&null!==e&&e.has(s[0]))return qp(e.get(s[0]));if(1===s.length){const e=kp(s[0],t);return(t=>{try{return t.getNodeType()}catch(t){return}})(e)===t?qp(e):qp(new cp(e,t))}const i=s.map((t=>kp(t)));return qp(new dp(i,t))}},Wp=t=>t&&t.value,jp=t=>null!=t?t.nodeType||t.convertTo||("string"==typeof t?t:null):null;function Hp(t){return new Proxy(new Ep(t),_p)}const qp=(t,e=null)=>function(t,e=null){const s=Kd(t);if("node"===s){let e=wp.get(t);return void 0===e&&(e=new Proxy(t,_p),wp.set(t,e),wp.set(e,e)),e}return null===e&&("float"===s||"boolean"===s)||s&&"shader"!==s&&"string"!==s?qp(kp(t,e)):"shader"===s?Zp(t):t}(t,e),$p=(t,e=null)=>new Mp(t,e),Xp=(t,e=null)=>new Ap(t,e),Yp=(...t)=>new Np(...t),Jp=(...t)=>new Rp(...t),Zp=t=>{const e=new Hp(t),s=(...t)=>{let s;return $p(t),s=t[0]&&t[0].isNode?[...t]:t[0],e.call(s)};return s.shaderNode=e,s.setLayout=t=>(e.setLayout(t),s),s};ap("ShaderNode",Hp),vp("toGlobal",(t=>(t.global=!0,t)));const Qp=t=>{xp=t},Kp=()=>xp,tm=(...t)=>xp.if(...t);function em(t){return xp&&xp.add(t),t}vp("append",em);const sm=new Gp("color"),im=new Gp("float",Vp.float),rm=new Gp("int",Vp.ints),nm=new Gp("uint",Vp.uint),om=new Gp("bool",Vp.bool),am=new Gp("vec2"),hm=new Gp("ivec2"),lm=new Gp("uvec2"),um=new Gp("bvec2"),cm=new Gp("vec3"),dm=new Gp("ivec3"),pm=new Gp("uvec3"),mm=new Gp("bvec3"),gm=new Gp("vec4"),fm=new Gp("ivec4"),ym=new Gp("uvec4"),xm=new Gp("bvec4"),bm=new Gp("mat2"),vm=new Gp("imat2"),Tm=new Gp("umat2"),_m=new Gp("bmat2"),wm=new Gp("mat3"),Sm=new Gp("imat3"),Mm=new Gp("umat3"),Am=new Gp("bmat3"),Nm=new Gp("mat4"),Rm=new Gp("imat4"),Cm=new Gp("umat4"),Em=new Gp("bmat4"),Bm=(t="")=>qp(new yp(t,"string")),Im=t=>qp(new yp(t,"ArrayBuffer"));vp("toColor",sm),vp("toFloat",im),vp("toInt",rm),vp("toUint",nm),vp("toBool",om),vp("toVec2",am),vp("toIvec2",hm),vp("toUvec2",lm),vp("toBvec2",um),vp("toVec3",cm),vp("toIvec3",dm),vp("toUvec3",pm),vp("toBvec3",mm),vp("toVec4",gm),vp("toIvec4",fm),vp("toUvec4",ym),vp("toBvec4",xm),vp("toMat2",bm),vp("toImat2",vm),vp("toUmat2",Tm),vp("toBmat2",_m),vp("toMat3",wm),vp("toImat3",Sm),vp("toUmat3",Mm),vp("toBmat3",Am),vp("toMat4",Nm),vp("toImat4",Rm),vp("toUmat4",Cm),vp("toBmat4",Em);const Pm=Yp(up),Fm=(t,e)=>qp(new cp(qp(t),e)),Um=(t,e)=>qp(new mp(qp(t),e));vp("element",Pm),vp("convert",Fm);class Om extends lp{constructor(t,e){super(),this.targetNode=t,this.sourceNode=e}hasDependencies(){return!1}getNodeType(t,e){return"void"!==e?this.targetNode.getNodeType(t):"void"}needsSplitAssign(t){const{targetNode:e}=this;if(!1===t.isAvailable("swizzleAssign")&&e.isSplitNode&&e.components.length>1){const s=t.getTypeLength(e.node.getNodeType(t));return Jd.join("").slice(0,s)!==e.components}return!1}generate(t,e){const{targetNode:s,sourceNode:i}=this,r=this.needsSplitAssign(t),n=s.getNodeType(t),o=s.context({assign:!0}).build(t),a=i.build(t,n),h=i.getNodeType(t),l=t.getDataFromNode(this);let u;if(!0===l.initialized)"void"!==e&&(u=o);else if(r){const i=t.getVarFromNode(this,null,n),r=t.getPropertyName(i);t.addLineFlowCode(`${r} = ${a}`);const h=s.node.context({assign:!0}).build(t);for(let e=0;eqp(new Dm(t,e,qp(s)));ap("AttributeNode",Dm);class Gm extends op{constructor(t,e){super(),this.isBypassNode=!0,this.outputNode=t,this.callNode=e}getNodeType(t){return this.outputNode.getNodeType(t)}generate(t){const e=this.callNode.build(t,"void");return""!==e&&t.addLineFlowCode(e),this.outputNode.build(t)}}const Wm=Yp(Gm);vp("bypass",Wm),ap("BypassNode",Gm);class jm extends op{constructor(t,e=!0){super(),this.node=t,this.parent=e,this.isCacheNode=!0}getNodeType(t){return this.node.getNodeType(t)}build(t,...e){const s=t.getCache(),i=t.getCacheFromNode(this,parent);t.setCache(i);const r=this.node.build(t,...e);return t.setCache(s),r}}const Hm=(t,...e)=>qp(new jm(qp(t),...e));vp("cache",Hm),ap("CacheNode",jm);class qm extends op{constructor(t,e={}){super(),this.isContextNode=!0,this.node=t,this.context=e}getNodeType(t){return this.node.getNodeType(t)}analyze(t){this.node.build(t)}setup(t){const e=t.getContext();t.setContext({...t.context,...this.context});const s=this.node.build(t);return t.setContext(e),s}generate(t,e){const s=t.getContext();t.setContext({...t.context,...this.context});const i=this.node.build(t,e);return t.setContext(s),i}}const $m=Yp(qm),Xm=(t,e)=>$m(t,{label:e});vp("context",$m),vp("label",Xm),ap("ContextNode",qm);class Ym extends op{constructor(t){super("uint"),this.scope=t,this.isInstanceIndexNode=!0}generate(t){const e=this.getNodeType(t),s=this.scope;let i,r;if(s===Ym.VERTEX)i=t.getVertexIndex();else if(s===Ym.INSTANCE)i=t.getInstanceIndex();else{if(s!==Ym.DRAW)throw new Error("THREE.IndexNode: Unknown scope: "+s);i=t.getDrawIndex()}if("vertex"===t.shaderStage||"compute"===t.shaderStage)r=i;else{r=Vm(this).build(t,e)}return r}}Ym.VERTEX="vertex",Ym.INSTANCE="instance",Ym.DRAW="draw";const Jm=Jp(Ym,Ym.VERTEX),Zm=Jp(Ym,Ym.INSTANCE),Qm=Jp(Ym,Ym.DRAW);ap("IndexNode",Ym);class Km{start(){}finish(){}direct(){}directRectArea(){}indirectDiffuse(){}indirectSpecular(){}ambientOcclusion(){}}class tg extends op{constructor(t,e=null){super(),this.node=t,this.name=e,this.global=!0,this.isVarNode=!0}getHash(t){return this.name||super.getHash(t)}getNodeType(t){return this.node.getNodeType(t)}generate(t){const{node:e,name:s}=this,i=t.getVarFromNode(this,s,t.getVectorType(this.getNodeType(t))),r=t.getPropertyName(i),n=e.build(t,i.type);return t.addLineFlowCode(`${r} = ${n}`),r}}const eg=Yp(tg);vp("temp",eg),vp("toVar",((...t)=>eg(...t).append())),ap("VarNode",tg);class sg{constructor(t,e,s=null){this.isNodeAttribute=!0,this.name=t,this.type=e,this.node=s}}class ig{constructor(t,e,s){this.isNodeUniform=!0,this.name=t,this.type=e,this.node=s.getSelf()}get value(){return this.node.value}set value(t){this.node.value=t}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class rg{constructor(t,e){this.isNodeVar=!0,this.name=t,this.type=e}}class ng extends rg{constructor(t,e){super(t,e),this.needsInterpolation=!1,this.isNodeVarying=!0}}class og{constructor(t,e,s=""){this.name=t,this.type=e,this.code=s,Object.defineProperty(this,"isNodeCode",{value:!0})}}class ag{constructor(){this.keywords=[],this.nodes={},this.keywordsCallback={}}getNode(t){let e=this.nodes[t];return void 0===e&&void 0!==this.keywordsCallback[t]&&(e=this.keywordsCallback[t](t),this.nodes[t]=e),e}addKeyword(t,e){return this.keywords.push(t),this.keywordsCallback[t]=e,this}parse(t){const e=this.keywords,s=new RegExp(`\\b${e.join("\\b|\\b")}\\b`,"g"),i=t.match(s),r=[];if(null!==i)for(const t of i){const e=this.getNode(t);void 0!==e&&-1===r.indexOf(e)&&r.push(e)}return r}include(t,e){const s=this.parse(e);for(const e of s)e.build(t)}}let hg=0;class lg{constructor(t=null){this.id=hg++,this.nodesData=new WeakMap,this.parent=t}getData(t){let e=this.nodesData.get(t);return void 0===e&&null!==this.parent&&(e=this.parent.getData(t)),e}setData(t,e){this.nodesData.set(t,e)}}class ug extends op{constructor(t,e=null,s=!1){super(t),this.name=e,this.varying=s,this.isPropertyNode=!0}getHash(t){return this.name||super.getHash(t)}isGlobal(){return!0}generate(t){let e;return!0===this.varying?(e=t.getVaryingFromNode(this,this.name),e.needsInterpolation=!0):e=t.getVarFromNode(this,this.name),t.getPropertyName(e)}}const cg=(t,e)=>qp(new ug(t,e)),dg=(t,e)=>qp(new ug(t,e,!0)),pg=Jp(ug,"vec4","DiffuseColor"),mg=Jp(ug,"float","Roughness"),gg=Jp(ug,"float","Metalness"),fg=Jp(ug,"float","Clearcoat"),yg=Jp(ug,"float","ClearcoatRoughness"),xg=Jp(ug,"vec3","Sheen"),bg=Jp(ug,"float","SheenRoughness"),vg=Jp(ug,"float","Iridescence"),Tg=Jp(ug,"float","IridescenceIOR"),_g=Jp(ug,"float","IridescenceThickness"),wg=Jp(ug,"float","AlphaT"),Sg=Jp(ug,"float","Anisotropy"),Mg=Jp(ug,"vec3","AnisotropyT"),Ag=Jp(ug,"vec3","AnisotropyB"),Ng=Jp(ug,"color","SpecularColor"),Rg=Jp(ug,"float","SpecularF90"),Cg=Jp(ug,"float","Shininess"),Eg=Jp(ug,"vec4","Output"),Bg=Jp(ug,"float","dashSize"),Ig=Jp(ug,"float","gapSize"),Pg=Jp(ug,"float","pointWidth"),Fg=Jp(ug,"float","IOR"),Ug=Jp(ug,"float","Transmission"),Og=Jp(ug,"float","Thickness"),zg=Jp(ug,"float","AttenuationDistance"),Lg=Jp(ug,"color","AttenuationColor"),Vg=Jp(ug,"float","Dispersion");ap("PropertyNode",ug);class Dg extends ug{constructor(t,e=null){super(t,e),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}const kg=(t,e)=>qp(new Dg(t,e));ap("ParameterNode",Dg);class Gg extends op{constructor(t="",e=[],s=""){super("code"),this.isCodeNode=!0,this.code=t,this.language=s,this.includes=e}isGlobal(){return!0}setIncludes(t){return this.includes=t,this}getIncludes(){return this.includes}generate(t){const e=this.getIncludes(t);for(const s of e)s.build(t);const s=t.getCodeFromNode(this,this.getNodeType(t));return s.code=this.code,s.code}serialize(t){super.serialize(t),t.code=this.code,t.language=this.language}deserialize(t){super.deserialize(t),this.code=t.code,this.language=t.language}}const Wg=Yp(Gg),jg=(t,e)=>Wg(t,e,"js"),Hg=(t,e)=>Wg(t,e,"wgsl"),qg=(t,e)=>Wg(t,e,"glsl");ap("CodeNode",Gg);class $g extends Gg{constructor(t="",e=[],s=""){super(t,e,s),this.keywords={}}getNodeType(t){return this.getNodeFunction(t).type}getInputs(t){return this.getNodeFunction(t).inputs}getNodeFunction(t){const e=t.getDataFromNode(this);let s=e.nodeFunction;return void 0===s&&(s=t.parser.parseFunction(this.code),e.nodeFunction=s),s}generate(t,e){super.generate(t);const s=this.getNodeFunction(t),i=s.name,r=s.type,n=t.getCodeFromNode(this,r);""!==i&&(n.name=i);const o=t.getPropertyName(n);let a=this.getNodeFunction(t).getCode(o);const h=this.keywords,l=Object.keys(h);if(l.length>0)for(const e of l){const s=new RegExp(`\\b${e}\\b`,"g"),i=h[e].build(t,"property");a=a.replace(s,i)}return n.code=a+"\n","property"===e?o:t.format(`${o}()`,r,e)}}const Xg=(t,e=[],s="")=>{for(let t=0;ti.call(...t);return r.functionNode=i,r},Yg=(t,e)=>Xg(t,e,"glsl"),Jg=(t,e)=>Xg(t,e,"wgsl");ap("FunctionNode",$g);class Zg extends op{constructor(t,e=!1){super("string"),this.name=t,this.version=0,this.shared=e,this.isUniformGroup=!0}set needsUpdate(t){!0===t&&this.version++}}const Qg=t=>new Zg(t),Kg=t=>new Zg(t,!0),tf=Kg("frame"),ef=Kg("render"),sf=Qg("object");ap("UniformGroupNode",Zg);class rf extends fp{constructor(t,e=null){super(t,e),this.isUniformNode=!0,this.name="",this.groupNode=sf}label(t){return this.name=t,this}setGroup(t){return this.groupNode=t,this}getGroup(){return this.groupNode}getUniformHash(t){return this.getHash(t)}onUpdate(t,e){const s=this.getSelf();return t=t.bind(s),super.onUpdate((e=>{const i=t(e,s);void 0!==i&&(this.value=i)}),e)}generate(t,e){const s=this.getNodeType(t),i=this.getUniformHash(t);let r=t.getNodeFromHash(i);void 0===r&&(t.setHashNode(this,i),r=this);const n=r.getInputType(t),o=t.getUniformFromNode(r,n,t.shaderStage,this.name||t.context.label),a=t.getPropertyName(o);return void 0!==t.context.label&&delete t.context.label,t.format(a,s,e)}}const nf=(t,e)=>{const s=jp(e||t),i=t&&!0===t.isNode?t.node&&t.node.value||t.value:t;return qp(new rf(i,s))};ap("UniformNode",rf);const of=t=>km("uv"+(t>0?t:""),"vec2");class af extends op{constructor(t,e=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=t,this.levelNode=e}generate(t,e){const s=this.textureNode.build(t,"property"),i=this.levelNode.build(t,"int");return t.format(`${t.getMethod("textureDimensions")}( ${s}, ${i} )`,this.getNodeType(t),e)}}const hf=Yp(af);vp("textureSize",hf),ap("TextureSizeNode",af);class lf extends lp{constructor(t,e,s,...i){if(super(),i.length>0){let r=new lf(t,e,s);for(let e=0;e>"===s||"<<"===s)return t.getIntegerType(n);if("!"===s||"=="===s||"&&"===s||"||"===s||"^^"===s)return"bool";if("<"===s||">"===s||"<="===s||">="===s){const s=e?t.getTypeLength(e):Math.max(t.getTypeLength(n),t.getTypeLength(o));return s>1?`bvec${s}`:"bool"}return"float"===n&&t.isMatrix(o)?o:t.isMatrix(n)&&t.isVector(o)?t.getVectorFromMatrix(n):t.isVector(n)&&t.isMatrix(o)?t.getVectorFromMatrix(o):t.getTypeLength(o)>t.getTypeLength(n)?o:n}generate(t,e){const s=this.op,i=this.aNode,r=this.bNode,n=this.getNodeType(t,e);let o=null,a=null;"void"!==n?(o=i.getNodeType(t),a=void 0!==r?r.getNodeType(t):null,"<"===s||">"===s||"<="===s||">="===s||"=="===s?t.isVector(o)?a=o:o=a="float":">>"===s||"<<"===s?(o=n,a=t.changeComponentType(a,"uint")):t.isMatrix(o)&&t.isVector(a)?a=t.getVectorFromMatrix(o):o=t.isVector(o)&&t.isMatrix(a)?t.getVectorFromMatrix(a):a=n):o=a=n;const h=i.build(t,o),l=void 0!==r?r.build(t,a):null,u=t.getTypeLength(e),c=t.getFunctionOperator(s);return"void"!==e?"<"===s&&u>1?t.format(`${t.getMethod("lessThan")}( ${h}, ${l} )`,n,e):"<="===s&&u>1?t.format(`${t.getMethod("lessThanEqual")}( ${h}, ${l} )`,n,e):">"===s&&u>1?t.format(`${t.getMethod("greaterThan")}( ${h}, ${l} )`,n,e):">="===s&&u>1?t.format(`${t.getMethod("greaterThanEqual")}( ${h}, ${l} )`,n,e):"!"===s||"~"===s?t.format(`(${s}${h})`,o,e):c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`( ${h} ${s} ${l} )`,n,e):"void"!==o?c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`${h} ${s} ${l}`,n,e):void 0}serialize(t){super.serialize(t),t.op=this.op}deserialize(t){super.deserialize(t),this.op=t.op}}const uf=Yp(lf,"+"),cf=Yp(lf,"-"),df=Yp(lf,"*"),pf=Yp(lf,"/"),mf=Yp(lf,"%"),gf=Yp(lf,"=="),ff=Yp(lf,"!="),yf=Yp(lf,"<"),xf=Yp(lf,">"),bf=Yp(lf,"<="),vf=Yp(lf,">="),Tf=Yp(lf,"&&"),_f=Yp(lf,"||"),wf=Yp(lf,"!"),Sf=Yp(lf,"^^"),Mf=Yp(lf,"&"),Af=Yp(lf,"~"),Nf=Yp(lf,"|"),Rf=Yp(lf,"^"),Cf=Yp(lf,"<<"),Ef=Yp(lf,">>");vp("add",uf),vp("sub",cf),vp("mul",df),vp("div",pf),vp("remainder",mf),vp("equal",gf),vp("notEqual",ff),vp("lessThan",yf),vp("greaterThan",xf),vp("lessThanEqual",bf),vp("greaterThanEqual",vf),vp("and",Tf),vp("or",_f),vp("not",wf),vp("xor",Sf),vp("bitAnd",Mf),vp("bitNot",Af),vp("bitOr",Nf),vp("bitXor",Rf),vp("shiftLeft",Cf),vp("shiftRight",Ef),ap("OperatorNode",lf);class Bf extends lp{constructor(t,e,s=null,i=null){super(),this.method=t,this.aNode=e,this.bNode=s,this.cNode=i}getInputType(t){const e=this.aNode.getNodeType(t),s=this.bNode?this.bNode.getNodeType(t):null,i=this.cNode?this.cNode.getNodeType(t):null,r=t.isMatrix(e)?0:t.getTypeLength(e),n=t.isMatrix(s)?0:t.getTypeLength(s),o=t.isMatrix(i)?0:t.getTypeLength(i);return r>n&&r>o?e:n>o?s:o>r?i:e}getNodeType(t){const e=this.method;return e===Bf.LENGTH||e===Bf.DISTANCE||e===Bf.DOT?"float":e===Bf.CROSS?"vec3":e===Bf.ALL?"bool":e===Bf.EQUALS?t.changeComponentType(this.aNode.getNodeType(t),"bool"):e===Bf.MOD?this.aNode.getNodeType(t):this.getInputType(t)}generate(t,e){const s=this.method,i=this.getNodeType(t),r=this.getInputType(t),n=this.aNode,o=this.bNode,a=this.cNode,h=!0===t.renderer.isWebGLRenderer;if(s===Bf.TRANSFORM_DIRECTION){let s=n,i=o;t.isMatrix(s.getNodeType(t))?i=gm(cm(i),0):s=gm(cm(s),0);const r=df(s,i).xyz;return Yf(r).build(t,e)}if(s===Bf.NEGATE)return t.format("( - "+n.build(t,r)+" )",i,e);if(s===Bf.ONE_MINUS)return cf(1,n).build(t,e);if(s===Bf.RECIPROCAL)return pf(1,n).build(t,e);if(s===Bf.DIFFERENCE)return iy(cf(n,o)).build(t,e);{const l=[];return s===Bf.CROSS||s===Bf.MOD?l.push(n.build(t,i),o.build(t,i)):s===Bf.STEP?l.push(n.build(t,1===t.getTypeLength(n.getNodeType(t))?"float":r),o.build(t,r)):h&&(s===Bf.MIN||s===Bf.MAX)||s===Bf.MOD?l.push(n.build(t,r),o.build(t,1===t.getTypeLength(o.getNodeType(t))?"float":r)):s===Bf.REFRACT?l.push(n.build(t,r),o.build(t,r),a.build(t,"float")):s===Bf.MIX?l.push(n.build(t,r),o.build(t,r),a.build(t,1===t.getTypeLength(a.getNodeType(t))?"float":r)):(l.push(n.build(t,r)),null!==o&&l.push(o.build(t,r)),null!==a&&l.push(a.build(t,r))),t.format(`${t.getMethod(s,i)}( ${l.join(", ")} )`,i,e)}}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}Bf.ALL="all",Bf.ANY="any",Bf.EQUALS="equals",Bf.RADIANS="radians",Bf.DEGREES="degrees",Bf.EXP="exp",Bf.EXP2="exp2",Bf.LOG="log",Bf.LOG2="log2",Bf.SQRT="sqrt",Bf.INVERSE_SQRT="inversesqrt",Bf.FLOOR="floor",Bf.CEIL="ceil",Bf.NORMALIZE="normalize",Bf.FRACT="fract",Bf.SIN="sin",Bf.COS="cos",Bf.TAN="tan",Bf.ASIN="asin",Bf.ACOS="acos",Bf.ATAN="atan",Bf.ABS="abs",Bf.SIGN="sign",Bf.LENGTH="length",Bf.NEGATE="negate",Bf.ONE_MINUS="oneMinus",Bf.DFDX="dFdx",Bf.DFDY="dFdy",Bf.ROUND="round",Bf.RECIPROCAL="reciprocal",Bf.TRUNC="trunc",Bf.FWIDTH="fwidth",Bf.BITCAST="bitcast",Bf.TRANSPOSE="transpose",Bf.ATAN2="atan2",Bf.MIN="min",Bf.MAX="max",Bf.MOD="mod",Bf.STEP="step",Bf.REFLECT="reflect",Bf.DISTANCE="distance",Bf.DIFFERENCE="difference",Bf.DOT="dot",Bf.CROSS="cross",Bf.POW="pow",Bf.TRANSFORM_DIRECTION="transformDirection",Bf.MIX="mix",Bf.CLAMP="clamp",Bf.REFRACT="refract",Bf.SMOOTHSTEP="smoothstep",Bf.FACEFORWARD="faceforward";const If=im(1e-6),Pf=im(1e6),Ff=im(Math.PI),Uf=im(2*Math.PI),Of=Yp(Bf,Bf.ALL),zf=Yp(Bf,Bf.ANY),Lf=Yp(Bf,Bf.EQUALS),Vf=Yp(Bf,Bf.RADIANS),Df=Yp(Bf,Bf.DEGREES),kf=Yp(Bf,Bf.EXP),Gf=Yp(Bf,Bf.EXP2),Wf=Yp(Bf,Bf.LOG),jf=Yp(Bf,Bf.LOG2),Hf=Yp(Bf,Bf.SQRT),qf=Yp(Bf,Bf.INVERSE_SQRT),$f=Yp(Bf,Bf.FLOOR),Xf=Yp(Bf,Bf.CEIL),Yf=Yp(Bf,Bf.NORMALIZE),Jf=Yp(Bf,Bf.FRACT),Zf=Yp(Bf,Bf.SIN),Qf=Yp(Bf,Bf.COS),Kf=Yp(Bf,Bf.TAN),ty=Yp(Bf,Bf.ASIN),ey=Yp(Bf,Bf.ACOS),sy=Yp(Bf,Bf.ATAN),iy=Yp(Bf,Bf.ABS),ry=Yp(Bf,Bf.SIGN),ny=Yp(Bf,Bf.LENGTH),oy=Yp(Bf,Bf.NEGATE),ay=Yp(Bf,Bf.ONE_MINUS),hy=Yp(Bf,Bf.DFDX),ly=Yp(Bf,Bf.DFDY),uy=Yp(Bf,Bf.ROUND),cy=Yp(Bf,Bf.RECIPROCAL),dy=Yp(Bf,Bf.TRUNC),py=Yp(Bf,Bf.FWIDTH),my=Yp(Bf,Bf.BITCAST),gy=Yp(Bf,Bf.TRANSPOSE),fy=Yp(Bf,Bf.ATAN2),yy=Yp(Bf,Bf.MIN),xy=Yp(Bf,Bf.MAX),by=Yp(Bf,Bf.MOD),vy=Yp(Bf,Bf.STEP),Ty=Yp(Bf,Bf.REFLECT),_y=Yp(Bf,Bf.DISTANCE),wy=Yp(Bf,Bf.DIFFERENCE),Sy=Yp(Bf,Bf.DOT),My=Yp(Bf,Bf.CROSS),Ay=Yp(Bf,Bf.POW),Ny=Yp(Bf,Bf.POW,2),Ry=Yp(Bf,Bf.POW,3),Cy=Yp(Bf,Bf.POW,4),Ey=Yp(Bf,Bf.TRANSFORM_DIRECTION),By=t=>df(ry(t),Ay(iy(t),1/3)),Iy=t=>Sy(t,t),Py=Yp(Bf,Bf.MIX),Fy=(t,e=0,s=1)=>qp(new Bf(Bf.CLAMP,qp(t),qp(e),qp(s))),Uy=t=>Fy(t),Oy=Yp(Bf,Bf.REFRACT),zy=Yp(Bf,Bf.SMOOTHSTEP),Ly=Yp(Bf,Bf.FACEFORWARD),Vy=Zp((([t])=>{const e=Sy(t.xy,am(12.9898,78.233)),s=by(e,Ff);return Jf(Zf(s).mul(43758.5453))}));vp("all",Of),vp("any",zf),vp("equals",Lf),vp("radians",Vf),vp("degrees",Df),vp("exp",kf),vp("exp2",Gf),vp("log",Wf),vp("log2",jf),vp("sqrt",Hf),vp("inverseSqrt",qf),vp("floor",$f),vp("ceil",Xf),vp("normalize",Yf),vp("fract",Jf),vp("sin",Zf),vp("cos",Qf),vp("tan",Kf),vp("asin",ty),vp("acos",ey),vp("atan",sy),vp("abs",iy),vp("sign",ry),vp("length",ny),vp("lengthSq",Iy),vp("negate",oy),vp("oneMinus",ay),vp("dFdx",hy),vp("dFdy",ly),vp("round",uy),vp("reciprocal",cy),vp("trunc",dy),vp("fwidth",py),vp("atan2",fy),vp("min",yy),vp("max",xy),vp("mod",by),vp("step",vy),vp("reflect",Ty),vp("distance",_y),vp("dot",Sy),vp("cross",My),vp("pow",Ay),vp("pow2",Ny),vp("pow3",Ry),vp("pow4",Cy),vp("transformDirection",Ey),vp("mix",((t,e,s)=>Py(e,s,t))),vp("clamp",Fy),vp("refract",Oy),vp("smoothstep",((t,e,s)=>zy(e,s,t))),vp("faceForward",Ly),vp("difference",wy),vp("saturate",Uy),vp("cbrt",By),vp("transpose",gy),vp("rand",Vy),ap("MathNode",Bf);const Dy=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.mul(.9478672986).add(.0521327014).pow(2.4),r=s.mul(.0773993808),n=s.lessThanEqual(.04045),o=Py(i,r,n);return gm(o,e.a)})),ky=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.pow(.41666).mul(1.055).sub(.055),r=s.mul(12.92),n=s.lessThanEqual(.0031308),o=Py(i,r,n);return gm(o,e.a)})),Gy=t=>{let e=null;return t===Ye?e="Linear":t===Xe&&(e="sRGB"),e},Wy=(t,e)=>Gy(t)+"To"+Gy(e);class jy extends lp{constructor(t,e){super("vec4"),this.method=t,this.node=e}setup(){const{method:t,node:e}=this;return t===jy.LINEAR_TO_LINEAR?e:Hy[t]({value:e})}}jy.LINEAR_TO_LINEAR="LinearToLinear",jy.LINEAR_TO_sRGB="LinearTosRGB",jy.sRGB_TO_LINEAR="sRGBToLinear";const Hy={[jy.LINEAR_TO_sRGB]:ky,[jy.sRGB_TO_LINEAR]:Dy},qy=(t,e)=>qp(new jy(Wy(Ye,e),qp(t))),$y=(t,e)=>qp(new jy(Wy(e,Ye),qp(t))),Xy=Yp(jy,jy.LINEAR_TO_sRGB),Yy=Yp(jy,jy.sRGB_TO_LINEAR);vp("linearTosRGB",Xy),vp("sRGBToLinear",Yy),vp("linearToColorSpace",qy),vp("colorSpaceToLinear",$y),ap("ColorSpaceNode",jy);class Jy extends op{constructor(t="",e="void"){super(e),this.snippet=t}generate(t,e){const s=this.getNodeType(t),i=this.snippet;if("void"!==s)return t.format(`( ${i} )`,s,e);t.addLineFlowCode(i)}}const Zy=Yp(Jy);ap("ExpressionNode",Jy);class Qy extends rf{constructor(t){super(0),this.textureNode=t,this.updateType=Hd.FRAME}get texture(){return this.textureNode.value}update(){const t=this.texture,e=t.images,s=e&&e.length>0?e[0]&&e[0].image||e[0]:t.image;if(s&&void 0!==s.width){const{width:t,height:e}=s;this.value=Math.log2(Math.max(t,e))}}}const Ky=Yp(Qy);ap("MaxMipLevelNode",Qy);class tx extends rf{constructor(t,e=null,s=null){super(t),this.isTextureNode=!0,this.uvNode=e,this.levelNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Hd.NONE,this.referenceNode=null,this._value=t,this.setUpdateMatrix(null===e)}set value(t){this.referenceNode?this.referenceNode.value=t:this._value=t}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===Bt?"uvec4":this.value.type===Et?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return of(this.value.channel)}updateReference(){return this.value}getTransformedUV(t){const e=this.value;return nf(e.matrix).mul(cm(t,1)).xy}setUpdateMatrix(t){return this.updateMatrix=t,this.updateType=t?Hd.FRAME:Hd.NONE,this}setupUV(t,e){const s=this.value;return!t.isFlipY()||!0!==s.isRenderTargetTexture&&!0!==s.isFramebufferTexture&&!0!==s.isDepthTexture||(e=e.setY(e.y.oneMinus())),e}setup(t){const e=t.getNodeProperties(this);let s=this.uvNode;null!==s&&!0!==t.context.forceUVContext||!t.context.getUV||(s=t.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(t,s);let i=this.levelNode;null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),e.uvNode=s,e.levelNode=i,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.depthNode=this.depthNode}generateUV(t,e){return e.build(t,!0===this.sampler?"vec2":"ivec2")}generateSnippet(t,e,s,i,r,n,o){const a=this.value;let h;return h=i?t.generateTextureLevel(a,e,s,i,r):o?t.generateTextureGrad(a,e,s,o,r):n?t.generateTextureCompare(a,e,s,n,r):!1===this.sampler?t.generateTextureLoad(a,e,s,r):t.generateTexture(a,e,s,r),h}generate(t,e){const s=t.getNodeProperties(this),i=this.value;if(!i||!0!==i.isTexture)throw new Error("TextureNode: Need a three.js texture.");const r=super.generate(t,"property");if("sampler"===e)return r+"_sampler";if(t.isReference(e))return r;{const n=t.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:e,levelNode:i,compareNode:a,depthNode:h,gradNode:l}=s,u=this.generateUV(t,e),c=i?i.build(t,"float"):null,d=h?h.build(t,"int"):null,p=a?a.build(t,"float"):null,m=l?[l[0].build(t,"vec2"),l[1].build(t,"vec2")]:null,g=t.getVarFromNode(this);o=t.getPropertyName(g);const f=this.generateSnippet(t,r,u,c,d,p,m);t.addLineFlowCode(`${o} = ${f}`),n.snippet=f,n.propertyName=o}let a=o;const h=this.getNodeType(t);return t.needsColorSpaceToLinear(i)&&(a=$y(Zy(a,h),i.colorSpace).setup(t).build(t,h)),t.format(a,h,e)}}setSampler(t){return this.sampler=t,this}getSampler(){return this.sampler}uv(t){const e=this.clone();return e.uvNode=t,e.referenceNode=this,qp(e)}blur(t){const e=this.clone();return e.levelNode=t.mul(Ky(e)),e.referenceNode=this,qp(e)}level(t){const e=this.clone();return e.levelNode=t,e.referenceNode=this,e}size(t){return hf(this,t)}compare(t){const e=this.clone();return e.compareNode=qp(t),e.referenceNode=this,qp(e)}grad(t,e){const s=this.clone();return s.gradNode=[qp(t),qp(e)],s.referenceNode=this,qp(s)}depth(t){const e=this.clone();return e.depthNode=qp(t),e.referenceNode=this,qp(e)}serialize(t){super.serialize(t),t.value=this.value.toJSON(t.meta).uuid}deserialize(t){super.deserialize(t),this.value=t.meta.textures[t.value]}update(){const t=this.value;!0===t.matrixAutoUpdate&&t.updateMatrix()}clone(){const t=new this.constructor(this.value,this.uvNode,this.levelNode);return t.sampler=this.sampler,t}}const ex=Yp(tx),sx=(...t)=>ex(...t).setSampler(!1),ix=t=>(!0===t.isNode?t:ex(t)).convert("sampler");vp("texture",ex),ap("TextureNode",tx);class rx extends rf{constructor(t,e,s=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferCount=s}getElementType(t){return this.getNodeType(t)}getInputType(){return"buffer"}}const nx=(t,e,s)=>qp(new rx(t,e,s));ap("BufferNode",rx);class ox extends up{constructor(t,e){super(t,e),this.isArrayBufferElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){const e=super.generate(t),s=this.getNodeType();return t.format(e,"vec4",s)}}class ax extends rx{constructor(t,e=null){super(null,"vec4"),this.array=t,this.elementType=e,this._elementType=null,this._elementLength=0,this.updateType=Hd.RENDER,this.isArrayBufferNode=!0}getElementType(){return this.elementType||this._elementType}getElementLength(){return this._elementLength}update(){const{array:t,value:e}=this,s=this.getElementLength(),i=this.getElementType();if(1===s)for(let s=0;sqp(new ax(t,e));ap("UniformsNode",ax);class lx extends up{constructor(t,e){super(t,e),this.referenceNode=t,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(t){const e=super.generate(t),s=this.referenceNode.getNodeType(),i=this.getNodeType();return t.format(e,s,i)}}class ux extends op{constructor(t,e,s=null,i=null){super(),this.property=t,this.uniformType=e,this.object=s,this.count=i,this.properties=t.split("."),this.reference=null,this.node=null,this.updateType=Hd.OBJECT}element(t){return qp(new lx(this,qp(t)))}setNodeType(t){let e=null;e=null!==this.count?nx(null,t,this.count):Array.isArray(this.getValueFromReference())?hx(null,t):"texture"===t?ex(null):nf(null,t),this.node=e}getNodeType(t){return null===this.node&&this.updateValue(),this.node.getNodeType(t)}getValueFromReference(t=this.reference){const{properties:e}=this;let s=t[e[0]];for(let t=1;tqp(new ux(t,e,s)),dx=(t,e,s,i)=>qp(new ux(t,e,i,s));ap("ReferenceNode",ux);class px extends ux{constructor(t,e,s=null){super(t,e,s),this.material=s}updateReference(t){return this.reference=null!==this.material?this.material:t.material,this.reference}}const mx=(t,e,s)=>qp(new px(t,e,s));ap("MaterialReferenceNode",px);const gx=Kg("camera").onRenderUpdate((()=>{gx.needsUpdate=!0})),fx=nf("float").label("cameraNear").setGroup(gx).onRenderUpdate((({camera:t})=>t.near)),yx=nf("float").label("cameraFar").setGroup(gx).onRenderUpdate((({camera:t})=>t.far)),xx=nf("float").label("cameraLogDepth").setGroup(gx).onRenderUpdate((({camera:t})=>2/(Math.log(t.far+1)/Math.LN2))),bx=nf("mat4").label("cameraProjectionMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.projectionMatrix)),vx=nf("mat4").label("cameraProjectionMatrixInverse").setGroup(gx).onRenderUpdate((({camera:t})=>t.projectionMatrixInverse)),Tx=nf("mat4").label("cameraViewMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.matrixWorldInverse)),_x=nf("mat4").label("cameraWorldMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.matrixWorld)),wx=nf("mat3").label("cameraNormalMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.normalMatrix)),Sx=nf(new Ri).label("cameraPosition").setGroup(gx).onRenderUpdate((({camera:t},e)=>e.value.setFromMatrixPosition(t.matrixWorld)));class Mx extends op{constructor(t=Mx.VIEW_MATRIX,e=null){super(),this.scope=t,this.object3d=e,this.updateType=Hd.OBJECT,this._uniformNode=new rf(null)}getNodeType(){const t=this.scope;return t===Mx.WORLD_MATRIX||t===Mx.VIEW_MATRIX?"mat4":t===Mx.NORMAL_MATRIX?"mat3":t===Mx.POSITION||t===Mx.VIEW_POSITION||t===Mx.DIRECTION||t===Mx.SCALE?"vec3":void 0}update(t){const e=this.object3d,s=this._uniformNode,i=this.scope;if(i===Mx.VIEW_MATRIX)s.value=e.modelViewMatrix;else if(i===Mx.NORMAL_MATRIX)s.value=e.normalMatrix;else if(i===Mx.WORLD_MATRIX)s.value=e.matrixWorld;else if(i===Mx.POSITION)s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld);else if(i===Mx.SCALE)s.value=s.value||new Ri,s.value.setFromMatrixScale(e.matrixWorld);else if(i===Mx.DIRECTION)s.value=s.value||new Ri,e.getWorldDirection(s.value);else if(i===Mx.VIEW_POSITION){const i=t.camera;s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(t){const e=this.scope;return e===Mx.WORLD_MATRIX||e===Mx.VIEW_MATRIX?this._uniformNode.nodeType="mat4":e===Mx.NORMAL_MATRIX?this._uniformNode.nodeType="mat3":e!==Mx.POSITION&&e!==Mx.VIEW_POSITION&&e!==Mx.DIRECTION&&e!==Mx.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(t)}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}Mx.VIEW_MATRIX="viewMatrix",Mx.NORMAL_MATRIX="normalMatrix",Mx.WORLD_MATRIX="worldMatrix",Mx.POSITION="position",Mx.SCALE="scale",Mx.VIEW_POSITION="viewPosition",Mx.DIRECTION="direction";const Ax=Yp(Mx,Mx.DIRECTION),Nx=Yp(Mx,Mx.VIEW_MATRIX),Rx=Yp(Mx,Mx.NORMAL_MATRIX),Cx=Yp(Mx,Mx.WORLD_MATRIX),Ex=Yp(Mx,Mx.POSITION),Bx=Yp(Mx,Mx.SCALE),Ix=Yp(Mx,Mx.VIEW_POSITION);ap("Object3DNode",Mx);class Px extends Mx{constructor(t=Px.VIEW_MATRIX){super(t)}update(t){this.object3d=t.object,super.update(t)}}const Fx=Jp(Px,Px.DIRECTION),Ux=Jp(Px,Px.VIEW_MATRIX).label("modelViewMatrix").temp("ModelViewMatrix"),Ox=Jp(Px,Px.NORMAL_MATRIX),zx=Jp(Px,Px.WORLD_MATRIX),Lx=Jp(Px,Px.POSITION),Vx=Jp(Px,Px.SCALE),Dx=Jp(Px,Px.VIEW_POSITION),kx=nf(new rr).onObjectUpdate((({object:t},e)=>e.value.copy(t.matrixWorld).invert()));ap("ModelNode",Px);const Gx=km("normal","vec3",cm(0,1,0)),Wx=Gx.toVar("normalLocal"),jx=Vm(Ox.mul(Wx),"v_normalView").normalize().toVar("normalView"),Hx=Vm(jx.transformDirection(Tx),"v_normalWorld").normalize().toVar("transformedNormalWorld"),qx=cg("vec3","transformedNormalView"),$x=qx.transformDirection(Tx).normalize().toVar("transformedNormalWorld"),Xx=cg("vec3","transformedClearcoatNormalView"),Yx=new Map;class Jx extends op{constructor(t){super(),this.scope=t}getCache(t,e){let s=Yx.get(t);return void 0===s&&(s=mx(t,e),Yx.set(t,s)),s}getFloat(t){return this.getCache(t,"float")}getColor(t){return this.getCache(t,"color")}getTexture(t){return this.getCache("map"===t?"map":t+"Map","texture")}setup(t){const e=t.context.material,s=this.scope;let i=null;if(s===Jx.COLOR){const t=this.getColor(s);i=e.map&&!0===e.map.isTexture?t.mul(this.getTexture("map")):t}else if(s===Jx.OPACITY){const t=this.getFloat(s);i=e.alphaMap&&!0===e.alphaMap.isTexture?t.mul(this.getTexture("alpha")):t}else if(s===Jx.SPECULAR_STRENGTH)i=e.specularMap&&!0===e.specularMap.isTexture?this.getTexture("specular").r:im(1);else if(s===Jx.SPECULAR_INTENSITY){const t=this.getFloat(s);i=e.specularMap?t.mul(this.getTexture(s).a):t}else if(s===Jx.SPECULAR_COLOR){const t=this.getColor(s);i=e.specularColorMap&&!0===e.specularColorMap.isTexture?t.mul(this.getTexture(s).rgb):t}else if(s===Jx.ROUGHNESS){const t=this.getFloat(s);i=e.roughnessMap&&!0===e.roughnessMap.isTexture?t.mul(this.getTexture(s).g):t}else if(s===Jx.METALNESS){const t=this.getFloat(s);i=e.metalnessMap&&!0===e.metalnessMap.isTexture?t.mul(this.getTexture(s).b):t}else if(s===Jx.EMISSIVE){const t=this.getColor(s);i=e.emissiveMap&&!0===e.emissiveMap.isTexture?t.mul(this.getTexture(s)):t}else if(s===Jx.NORMAL)i=e.normalMap?this.getTexture("normal").normalMap(this.getCache("normalScale","vec2")):e.bumpMap?this.getTexture("bump").r.bumpMap(this.getFloat("bumpScale")):jx;else if(s===Jx.CLEARCOAT){const t=this.getFloat(s);i=e.clearcoatMap&&!0===e.clearcoatMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Jx.CLEARCOAT_ROUGHNESS){const t=this.getFloat(s);i=e.clearcoatRoughnessMap&&!0===e.clearcoatRoughnessMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Jx.CLEARCOAT_NORMAL)i=e.clearcoatNormalMap?this.getTexture(s).normalMap(this.getCache(s+"Scale","vec2")):jx;else if(s===Jx.SHEEN){const t=this.getColor("sheenColor").mul(this.getFloat("sheen"));i=e.sheenColorMap&&!0===e.sheenColorMap.isTexture?t.mul(this.getTexture("sheenColor").rgb):t}else if(s===Jx.SHEEN_ROUGHNESS){const t=this.getFloat(s);i=e.sheenRoughnessMap&&!0===e.sheenRoughnessMap.isTexture?t.mul(this.getTexture(s).a):t,i=i.clamp(.07,1)}else if(s===Jx.ANISOTROPY)if(e.anisotropyMap&&!0===e.anisotropyMap.isTexture){const t=this.getTexture(s);i=bm(Ib.x,Ib.y,Ib.y.negate(),Ib.x).mul(t.rg.mul(2).sub(am(1)).normalize().mul(t.b))}else i=Ib;else if(s===Jx.IRIDESCENCE_THICKNESS){const t=cx("1","float",e.iridescenceThicknessRange);if(e.iridescenceThicknessMap){const r=cx("0","float",e.iridescenceThicknessRange);i=t.sub(r).mul(this.getTexture(s).g).add(r)}else i=t}else if(s===Jx.TRANSMISSION){const t=this.getFloat(s);i=e.transmissionMap?t.mul(this.getTexture(s).r):t}else if(s===Jx.THICKNESS){const t=this.getFloat(s);i=e.thicknessMap?t.mul(this.getTexture(s).g):t}else if(s===Jx.IOR)i=this.getFloat(s);else{const e=this.getNodeType(t);i=this.getCache(s,e)}return i}}Jx.ALPHA_TEST="alphaTest",Jx.COLOR="color",Jx.OPACITY="opacity",Jx.SHININESS="shininess",Jx.SPECULAR="specular",Jx.SPECULAR_STRENGTH="specularStrength",Jx.SPECULAR_INTENSITY="specularIntensity",Jx.SPECULAR_COLOR="specularColor",Jx.REFLECTIVITY="reflectivity",Jx.ROUGHNESS="roughness",Jx.METALNESS="metalness",Jx.NORMAL="normal",Jx.CLEARCOAT="clearcoat",Jx.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Jx.CLEARCOAT_NORMAL="clearcoatNormal",Jx.EMISSIVE="emissive",Jx.ROTATION="rotation",Jx.SHEEN="sheen",Jx.SHEEN_ROUGHNESS="sheenRoughness",Jx.ANISOTROPY="anisotropy",Jx.IRIDESCENCE="iridescence",Jx.IRIDESCENCE_IOR="iridescenceIOR",Jx.IRIDESCENCE_THICKNESS="iridescenceThickness",Jx.IOR="ior",Jx.TRANSMISSION="transmission",Jx.THICKNESS="thickness",Jx.ATTENUATION_DISTANCE="attenuationDistance",Jx.ATTENUATION_COLOR="attenuationColor",Jx.LINE_SCALE="scale",Jx.LINE_DASH_SIZE="dashSize",Jx.LINE_GAP_SIZE="gapSize",Jx.LINE_WIDTH="linewidth",Jx.LINE_DASH_OFFSET="dashOffset",Jx.POINT_WIDTH="pointWidth",Jx.DISPERSION="dispersion";const Zx=Jp(Jx,Jx.ALPHA_TEST),Qx=Jp(Jx,Jx.COLOR),Kx=Jp(Jx,Jx.SHININESS),tb=Jp(Jx,Jx.EMISSIVE),eb=Jp(Jx,Jx.OPACITY),sb=Jp(Jx,Jx.SPECULAR),ib=Jp(Jx,Jx.SPECULAR_INTENSITY),rb=Jp(Jx,Jx.SPECULAR_COLOR),nb=Jp(Jx,Jx.SPECULAR_STRENGTH),ob=Jp(Jx,Jx.REFLECTIVITY),ab=Jp(Jx,Jx.ROUGHNESS),hb=Jp(Jx,Jx.METALNESS),lb=Jp(Jx,Jx.NORMAL),ub=Jp(Jx,Jx.CLEARCOAT),cb=Jp(Jx,Jx.CLEARCOAT_ROUGHNESS),db=Jp(Jx,Jx.CLEARCOAT_NORMAL),pb=Jp(Jx,Jx.ROTATION),mb=Jp(Jx,Jx.SHEEN),gb=Jp(Jx,Jx.SHEEN_ROUGHNESS),fb=Jp(Jx,Jx.ANISOTROPY),yb=Jp(Jx,Jx.IRIDESCENCE),xb=Jp(Jx,Jx.IRIDESCENCE_IOR),bb=Jp(Jx,Jx.IRIDESCENCE_THICKNESS),vb=Jp(Jx,Jx.TRANSMISSION),Tb=Jp(Jx,Jx.THICKNESS),_b=Jp(Jx,Jx.IOR),wb=Jp(Jx,Jx.ATTENUATION_DISTANCE),Sb=Jp(Jx,Jx.ATTENUATION_COLOR),Mb=Jp(Jx,Jx.LINE_SCALE),Ab=Jp(Jx,Jx.LINE_DASH_SIZE),Nb=Jp(Jx,Jx.LINE_GAP_SIZE),Rb=Jp(Jx,Jx.LINE_WIDTH),Cb=Jp(Jx,Jx.LINE_DASH_OFFSET),Eb=Jp(Jx,Jx.POINT_WIDTH),Bb=Jp(Jx,Jx.DISPERSION),Ib=nf(new Zs).onReference((function(t){return t.material})).onRenderUpdate((function({material:t}){this.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation))}));ap("MaterialNode",Jx);const Pb=km("position","vec3"),Fb=Pb.toVar("positionLocal"),Ub=Vm(zx.mul(Fb).xyz,"v_positionWorld"),Ob=Vm(Fb.transformDirection(zx),"v_positionWorldDirection").normalize().toVar("positionWorldDirection"),zb=Vm(Ux.mul(Fb).xyz,"v_positionView"),Lb=Vm(zb.negate(),"v_positionViewDirection").normalize().toVar("positionViewDirection");class Vb extends lp{constructor(t=null){super("vec4"),this.positionNode=t}setup(t){if("fragment"===t.shaderStage)return Vm(t.context.mvp);const e=this.positionNode||Fb;return bx.mul(Ux).mul(e)}}const Db=Yp(Vb);ap("ModelViewProjectionNode",Vb);class kb extends fp{constructor(t,e=null,s=0,i=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferStride=s,this.bufferOffset=i,this.usage=As,this.instanced=!1,this.attribute=null,this.global=!0,t&&!0===t.isBufferAttribute&&(this.attribute=t,this.usage=t.usage,this.instanced=t.isInstancedBufferAttribute)}getHash(t){if(0===this.bufferStride&&0===this.bufferOffset){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getNodeType(t){return null===this.bufferType&&(this.bufferType=t.getTypeFromAttribute(this.attribute)),this.bufferType}setup(t){if(null!==this.attribute)return;const e=this.getNodeType(t),s=this.value,i=t.getTypeLength(e),r=this.bufferStride||i,n=this.bufferOffset,o=!0===s.isInterleavedBuffer?s:new ro(s,r),a=new oo(o,i,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(t){const e=this.getNodeType(t),s=t.getBufferAttributeFromNode(this,e),i=t.getPropertyName(s);let r=null;if("vertex"===t.shaderStage||"compute"===t.shaderStage)this.name=i,r=i;else{r=Vm(this).build(t,e)}return r}getInputType(){return"bufferAttribute"}setUsage(t){return this.usage=t,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=t),this}setInstanced(t){return this.instanced=t,this}}const Gb=(t,e,s,i)=>qp(new kb(t,e,s,i)),Wb=(t,e,s,i)=>Gb(t,e,s,i).setUsage(Ns),jb=(t,e,s,i)=>Gb(t,e,s,i).setInstanced(!0),Hb=(t,e,s,i)=>Wb(t,e,s,i).setInstanced(!0);vp("toAttribute",(t=>Gb(t.value))),ap("BufferAttributeNode",kb);class qb extends op{constructor(t){super("void"),this.instanceMesh=t,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Hd.FRAME,this.buffer=null,this.bufferColor=null}setup(){let t=this.instanceMatrixNode;const e=this.instanceMesh;if(null===t){const s=e.instanceMatrix,i=new Mc(s.array,16,1);this.buffer=i;const r=s.usage===Ns?Hb:jb,n=[r(i,"vec4",16,0),r(i,"vec4",16,4),r(i,"vec4",16,8),r(i,"vec4",16,12)];t=Nm(...n),this.instanceMatrixNode=t}const s=e.instanceColor;if(s&&null===this.instanceColorNode){const t=new Go(s.array,3),e=s.usage===Ns?Hb:jb;this.bufferColor=t,this.instanceColorNode=cm(e(t,"vec3",3,0))}const i=t.mul(Fb).xyz,r=wm(t[0].xyz,t[1].xyz,t[2].xyz),n=Wx.div(cm(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2]))),o=r.mul(n).xyz;Fb.assign(i),Wx.assign(o),null!==this.instanceColorNode&&dg("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMesh.instanceMatrix.usage!==Ns&&this.instanceMesh.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMesh.instanceMatrix.version),this.instanceMesh.instanceColor&&this.instanceMesh.instanceColor.usage!==Ns&&this.instanceMesh.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceMesh.instanceColor.version)}}const $b=Yp(qb);ap("InstanceNode",qb);const Xb=Zp(((t,e)=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),km("tangent","vec4"))))(),Yb=Xb.xyz.toVar("tangentLocal"),Jb=Vm(Ux.mul(gm(Yb,0)).xyz,"v_tangentView").normalize().toVar("tangentView"),Zb=Vm(Jb.transformDirection(Tx),"v_tangentWorld").normalize().toVar("tangentWorld"),Qb=Jb.toVar("transformedTangentView"),Kb=Qb.transformDirection(Tx).normalize().toVar("transformedTangentWorld");class tv extends op{constructor(t){super("void"),this.batchMesh=t,this.instanceColorNode=null,this.batchingIdNode=null}setup(t){null===this.batchingIdNode&&(null===t.getDrawIndex()?this.batchingIdNode=Zm:this.batchingIdNode=Qm);const e=Zp((([t])=>{const e=hf(sx(this.batchMesh._indirectTexture),0),s=rm(t).remainder(rm(e)),i=rm(t).div(rm(e));return sx(this.batchMesh._indirectTexture,hm(s,i),null,"uvec4").x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),s=this.batchMesh._matricesTexture,i=hf(sx(s),0),r=im(e(rm(this.batchingIdNode))).mul(4).toVar(),n=rm(r.mod(i)),o=rm(r).div(rm(i)),a=Nm(sx(s,hm(n,o)),sx(s,hm(n.add(1),o)),sx(s,hm(n.add(2),o)),sx(s,hm(n.add(3),o))),h=wm(a[0].xyz,a[1].xyz,a[2].xyz);Fb.assign(a.mul(Fb));const l=Wx.div(cm(h[0].dot(h[0]),h[1].dot(h[1]),h[2].dot(h[2]))),u=h.mul(l).xyz;Wx.assign(u),t.hasGeometryAttribute("tangent")&&Yb.mulAssign(h)}}const ev=Yp(tv);ap("batch",tv);class sv extends op{constructor(t,e=!1){let s,i,r;super("void"),this.skinnedMesh=t,this.useReference=e,this.updateType=Hd.OBJECT,this.skinIndexNode=km("skinIndex","uvec4"),this.skinWeightNode=km("skinWeight","vec4"),e?(s=cx("bindMatrix","mat4"),i=cx("bindMatrixInverse","mat4"),r=dx("skeleton.boneMatrices","mat4",t.skeleton.bones.length)):(s=nf(t.bindMatrix,"mat4"),i=nf(t.bindMatrixInverse,"mat4"),r=nx(t.skeleton.boneMatrices,"mat4",t.skeleton.bones.length)),this.bindMatrixNode=s,this.bindMatrixInverseNode=i,this.boneMatricesNode=r}setup(t){const{skinIndexNode:e,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:r,boneMatricesNode:n}=this,o=n.element(e.x),a=n.element(e.y),h=n.element(e.z),l=n.element(e.w),u=i.mul(Fb),c=uf(o.mul(s.x).mul(u),a.mul(s.y).mul(u),h.mul(s.z).mul(u),l.mul(s.w).mul(u)),d=r.mul(c).xyz;let p=uf(s.x.mul(o),s.y.mul(a),s.z.mul(h),s.w.mul(l));p=r.mul(p).mul(i);const m=p.transformDirection(Wx).xyz;Fb.assign(d),Wx.assign(m),t.hasGeometryAttribute("tangent")&&Yb.assign(m)}generate(t,e){if("void"!==e)return Fb.build(t,e)}update(t){(this.useReference?t.object:this.skinnedMesh).skeleton.update()}}const iv=t=>qp(new sv(t)),rv=t=>qp(new sv(t,!0));ap("SkinningNode",sv);class nv extends op{constructor(t=[]){super(),this.params=t}getVarName(t){return String.fromCharCode("i".charCodeAt()+t)}getProperties(t){const e=t.getNodeProperties(this);if(void 0!==e.stackNode)return e;const s={};for(let t=0,e=this.params.length-1;tNumber(n)?">=":"<"));const u={start:r,end:n,condition:h},c=u.start,d=u.end;let p="",m="",g="";l||(l="int"===a||"uint"===a?h.includes("<")?"++":"--":h.includes("<")?"+= 1.":"-= 1."),p+=t.getVar(a,o)+" = "+c,m+=o+" "+h+" "+d,g+=o+" "+l;const f=`for ( ${p}; ${m}; ${g} )`;t.addFlowCode((0===e?"\n":"")+t.tab+f+" {\n\n").addFlowTab()}const r=i.build(t,"void"),n=e.returnsNode?e.returnsNode.build(t):"";t.removeFlowTab().addFlowCode("\n"+t.tab+r);for(let e=0,s=this.params.length-1;eqp(new nv(Xp(t,"int"))).append(),av=()=>Zy("continue").append(),hv=()=>Zy("break").append();vp("loop",((t,...e)=>Wm(t,ov(...e)))),ap("LoopNode",nv);const lv=new WeakMap,uv=new vi,cv=Zp((({bufferMap:t,influence:e,stride:s,width:i,depth:r,offset:n})=>{const o=rm(Jm).mul(s).add(n),a=o.div(i),h=o.sub(a.mul(i));return sx(t,hm(h,a)).depth(r).mul(e)}));class dv extends op{constructor(t){super("void"),this.mesh=t,this.morphBaseInfluence=nf(1),this.updateType=Hd.OBJECT}setup(t){const{geometry:e}=t,s=void 0!==e.morphAttributes.position,i=void 0!==e.morphAttributes.normal,r=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,n=void 0!==r?r.length:0,{texture:o,stride:a,size:h}=function(t){const e=void 0!==t.morphAttributes.position,s=void 0!==t.morphAttributes.normal,i=void 0!==t.morphAttributes.color,r=t.morphAttributes.position||t.morphAttributes.normal||t.morphAttributes.color,n=void 0!==r?r.length:0;let o=lv.get(t);if(void 0===o||o.count!==n){void 0!==o&&o.texture.dispose();const a=t.morphAttributes.position||[],h=t.morphAttributes.normal||[],l=t.morphAttributes.color||[];let u=0;!0===e&&(u=1),!0===s&&(u=2),!0===i&&(u=3);let c=t.attributes.position.count*u,d=1;const p=4096;c>p&&(d=Math.ceil(c/p),c=p);const m=new Float32Array(c*d*4*n),g=new wi(m,c,d,n);g.type=It,g.needsUpdate=!0;const f=4*u;for(let x=0;x{const e=im(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?e.assign(sx(this.mesh.morphTexture,hm(rm(t).add(1),rm(Zm))).r):e.assign(cx("morphTargetInfluences","float").element(t).toVar()),!0===s&&Fb.addAssign(cv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(0)})),!0===i&&Wx.addAssign(cv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(1)}))}))}update(){const t=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?t.value=1:t.value=1-this.mesh.morphTargetInfluences.reduce(((t,e)=>t+e),0)}}const pv=Yp(dv);ap("MorphNode",dv);const mv=Lb.negate().reflect(qx),gv=mv.transformDirection(Tx).toVar("reflectVector");class fv extends tx{constructor(t,e=null,s=null){super(t,e,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){return gv}setUpdateMatrix(){}setupUV(t,e){const s=this.value;return t.renderer.coordinateSystem!==Ls&&s.isRenderTargetTexture?e:cm(e.x.negate(),e.yz)}generateUV(t,e){return e.build(t,"vec3")}}const yv=Yp(fv);vp("cubeTexture",yv),ap("CubeTextureNode",fv);class xv extends op{constructor(){super("vec3")}generate(){console.warn("Abstract function.")}}ap("LightingNode",xv);let bv=null;class vv extends xv{constructor(t=null){super(),this.updateType=Hd.FRAME,this.light=t,this.rtt=null,this.shadowNode=null,this.shadowMaskNode=null,this.color=new $r,this._defaultColorNode=nf(this.color),this.colorNode=this._defaultColorNode,this.isAnalyticLightNode=!0}getCacheKey(){return super.getCacheKey()+"-"+this.light.id+"-"+(this.light.castShadow?"1":"0")}getHash(){return this.light.uuid}setupShadow(t){const{object:e}=t;if(!1===e.receiveShadow)return;let s=this.shadowNode;if(null===s){null===bv&&(bv=t.createNodeMaterial(),bv.fragmentNode=gm(0,0,0,1),bv.isShadowNodeMaterial=!0);const i=this.light.shadow,r=t.createRenderTarget(i.mapSize.width,i.mapSize.height),n=new Za;n.minFilter=ft,n.magFilter=ft,n.image.width=i.mapSize.width,n.image.height=i.mapSize.height,n.compareFunction=bs,r.depthTexture=n,i.camera.updateProjectionMatrix();const o=cx("intensity","float",i),a=cx("bias","float",i),h=cx("normalBias","float",i),l=e.material.shadowPositionNode||Ub;let u=nf(i.matrix).mul(l.add(Hx.mul(h)));u=u.xyz.div(u.w);const c=u.x.greaterThanEqual(0).and(u.x.lessThanEqual(1)).and(u.y.greaterThanEqual(0)).and(u.y.lessThanEqual(1)).and(u.z.lessThanEqual(1));let d=u.z.add(a);t.renderer.coordinateSystem===Ls&&(d=d.mul(2).sub(1)),u=cm(u.x,u.y.oneMinus(),d);const p=(t,e,s)=>ex(t,e).compare(s);s=p(n,u.xy,u.z);const m=ex(r.texture,u),g=c.mix(1,s.mix(m.a.mix(1,m),1));this.rtt=r,this.colorNode=this.colorNode.mul(Py(1,g,o)),this.shadowNode=s,this.shadowMaskNode=g,this.updateBeforeType=Hd.RENDER}}setup(t){this.light.castShadow?this.setupShadow(t):null!==this.shadowNode&&this.disposeShadow()}updateShadow(t){const{rtt:e,light:s}=this,{renderer:i,scene:r,camera:n}=t,o=r.overrideMaterial;r.overrideMaterial=bv,e.setSize(s.shadow.mapSize.width,s.shadow.mapSize.height),s.shadow.updateMatrices(s),s.shadow.camera.layers.mask=n.layers.mask;const a=i.toneMapping,h=i.getRenderTarget(),l=i.getRenderObjectFunction();i.setRenderObjectFunction(((t,...e)=>{!0===t.castShadow&&i.renderObject(t,...e)})),i.setRenderTarget(e),i.toneMapping=0,i.render(r,s.shadow.camera),i.setRenderTarget(h),i.setRenderObjectFunction(l),i.toneMapping=a,r.overrideMaterial=o}disposeShadow(){this.rtt.dispose(),this.shadowNode=null,this.shadowMaskNode=null,this.rtt=null,this.colorNode=this._defaultColorNode}updateBefore(t){const{light:e}=this;e.castShadow&&this.updateShadow(t)}update(){const{light:t}=this;this.color.copy(t.color).multiplyScalar(t.intensity)}}ap("AnalyticLightNode",vv);const Tv=new WeakMap;class _v extends op{constructor(t=[]){super("vec3"),this.totalDiffuseNode=cm().temp("totalDiffuse"),this.totalSpecularNode=cm().temp("totalSpecular"),this.outgoingLightNode=cm().temp("outgoingLight"),this.lightNodes=t,this._hash=null}get hasLight(){return this.lightNodes.length>0}getHash(){if(null===this._hash){const t=[];for(const e of this.lightNodes)t.push(e.getHash());this._hash="lights-"+t.join(",")}return this._hash}analyze(t){const e=t.getDataFromNode(this);for(const s of e.nodes)s.build(t)}setup(t){const e=t.context,s=e.lightingModel;let i=this.outgoingLightNode;if(s){const{lightNodes:r,totalDiffuseNode:n,totalSpecularNode:o}=this;e.outgoingLight=i;const a=t.addStack();t.getDataFromNode(this).nodes=a.nodes,s.start(e,a,t);for(const e of r)e.build(t);s.indirectDiffuse(e,a,t),s.indirectSpecular(e,a,t),s.ambientOcclusion(e,a,t);const{backdrop:h,backdropAlpha:l}=e,{directDiffuse:u,directSpecular:c,indirectDiffuse:d,indirectSpecular:p}=e.reflectedLight;let m=u.add(d);null!==h&&(m=cm(null!==l?l.mix(m,h):h),e.material.transparent=!0),n.assign(m),o.assign(c.add(p)),i.assign(n.add(o)),s.finish(e,a,t),i=i.bypass(t.removeStack())}return i}_getLightNodeById(t){for(const e of this.lightNodes)if(e.isAnalyticLightNode&&e.light.id===t)return e;return null}fromLights(t=[]){const e=[];t=(t=>t.sort(((t,e)=>t.id-e.id)))(t);for(const s of t){let t=this._getLightNodeById(s.id);if(null===t){const e=s.constructor,i=Tv.has(e)?Tv.get(e):vv;t=qp(new i(s))}e.push(t)}return this.lightNodes=e,this._hash=null,this}}const wv=t=>qp((new _v).fromLights(t)),Sv=Yp(_v);function Mv(t,e){if(Tv.has(t))console.warn(`Redefinition of light node ${e.type}`);else{if("function"!=typeof t)throw new Error(`Light ${t.name} is not a class`);if("function"!=typeof e||!e.type)throw new Error(`Light node ${e.type} is not a class`);Tv.set(t,e)}}class Av extends xv{constructor(t=null){super(),this.aoNode=t}setup(t){const e=this.aoNode.x.sub(1).mul(1).add(1);t.context.ambientOcclusion.mulAssign(e)}}ap("AONode",Av);class Nv extends qm{constructor(t,e=null,s=null,i=null){super(t),this.lightingModel=e,this.backdropNode=s,this.backdropAlphaNode=i,this._context=null}getContext(){const{backdropNode:t,backdropAlphaNode:e}=this,s={directDiffuse:cm().temp("directDiffuse"),directSpecular:cm().temp("directSpecular"),indirectDiffuse:cm().temp("indirectDiffuse"),indirectSpecular:cm().temp("indirectSpecular")};return{radiance:cm().temp("radiance"),irradiance:cm().temp("irradiance"),iblIrradiance:cm().temp("iblIrradiance"),ambientOcclusion:im(1).temp("ambientOcclusion"),reflectedLight:s,backdrop:t,backdropAlpha:e}}setup(t){return this.context=this._context||(this._context=this.getContext()),this.context.lightingModel=this.lightingModel||t.context.lightingModel,super.setup(t)}}const Rv=Yp(Nv);vp("lightingContext",Rv),ap("LightingContextNode",Nv);const Cv=t=>t.mul(Xb.w).xyz,Ev=Vm(Cv(Gx.cross(Xb)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Bv=Vm(Cv(Wx.cross(Yb)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Iv=Vm(Cv(jx.cross(Jb)),"v_bitangentView").normalize().toVar("bitangentView"),Pv=Vm(Cv(Hx.cross(Zb)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Fv=Cv(qx.cross(Qb)).normalize().toVar("transformedBitangentView"),Uv=Fv.transformDirection(Tx).normalize().toVar("transformedBitangentWorld"),Ov=wm(Jb,Iv,jx),zv=Lb.mul(Ov),Lv=(t,e)=>t.sub(zv.mul(e)),Vv=(()=>{let t=Ag.cross(Lb);return t=t.cross(Ag).normalize(),t=Py(t,qx,Sg.mul(mg.oneMinus()).oneMinus().pow2().pow2()).normalize(),t})();class Dv extends op{constructor(t,e,s=null){super(),this.condNode=t,this.ifNode=e,this.elseNode=s}getNodeType(t){const e=this.ifNode.getNodeType(t);if(null!==this.elseNode){const s=this.elseNode.getNodeType(t);if(t.getTypeLength(s)>t.getTypeLength(e))return s}return e}setup(t){const e=t.getNodeProperties(this);e.condNode=this.condNode.cache(),e.ifNode=this.ifNode.cache(),e.elseNode=this.elseNode?this.elseNode.cache():null}generate(t,e){const s=this.getNodeType(t),i=t.getDataFromNode(this);if(void 0!==i.nodeProperty)return i.nodeProperty;const{condNode:r,ifNode:n,elseNode:o}=t.getNodeProperties(this),a="void"!==e,h=a?cg(s).build(t):"";i.nodeProperty=h;const l=r.build(t,"bool");t.addFlowCode(`\n${t.tab}if ( ${l} ) {\n\n`).addFlowTab();let u=n.build(t,s);if(u&&(u=a?h+" = "+u+";":"return "+u+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+u+"\n\n"+t.tab+"}"),null!==o){t.addFlowCode(" else {\n\n").addFlowTab();let e=o.build(t,s);e&&(e=a?h+" = "+e+";":"return "+e+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+e+"\n\n"+t.tab+"}\n\n")}else t.addFlowCode("\n\n");return t.format(h,s,e)}}const kv=Yp(Dv);vp("cond",kv),ap("CondNode",Dv);const Gv=im(1),Wv=im(-2),jv=im(.8),Hv=im(-1),qv=im(.4),$v=im(2),Xv=im(.305),Yv=im(3),Jv=im(.21),Zv=im(4),Qv=im(4),Kv=im(16),tT=Zp((([t])=>{const e=cm(iy(t)).toVar(),s=im(-1).toVar();return tm(e.x.greaterThan(e.z),(()=>{tm(e.x.greaterThan(e.y),(()=>{s.assign(kv(t.x.greaterThan(0),0,3))})).else((()=>{s.assign(kv(t.y.greaterThan(0),1,4))}))})).else((()=>{tm(e.z.greaterThan(e.y),(()=>{s.assign(kv(t.z.greaterThan(0),2,5))})).else((()=>{s.assign(kv(t.y.greaterThan(0),1,4))}))})),s})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),eT=Zp((([t,e])=>{const s=am().toVar();return tm(e.equal(0),(()=>{s.assign(am(t.z,t.y).div(iy(t.x)))})).elseif(e.equal(1),(()=>{s.assign(am(t.x.negate(),t.z.negate()).div(iy(t.y)))})).elseif(e.equal(2),(()=>{s.assign(am(t.x.negate(),t.y).div(iy(t.z)))})).elseif(e.equal(3),(()=>{s.assign(am(t.z.negate(),t.y).div(iy(t.x)))})).elseif(e.equal(4),(()=>{s.assign(am(t.x.negate(),t.z).div(iy(t.y)))})).else((()=>{s.assign(am(t.x,t.y).div(iy(t.z)))})),df(.5,s.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),sT=Zp((([t])=>{const e=im(0).toVar();return tm(t.greaterThanEqual(jv),(()=>{e.assign(Gv.sub(t).mul(Hv.sub(Wv)).div(Gv.sub(jv)).add(Wv))})).elseif(t.greaterThanEqual(qv),(()=>{e.assign(jv.sub(t).mul($v.sub(Hv)).div(jv.sub(qv)).add(Hv))})).elseif(t.greaterThanEqual(Xv),(()=>{e.assign(qv.sub(t).mul(Yv.sub($v)).div(qv.sub(Xv)).add($v))})).elseif(t.greaterThanEqual(Jv),(()=>{e.assign(Xv.sub(t).mul(Zv.sub(Yv)).div(Xv.sub(Jv)).add(Yv))})).else((()=>{e.assign(im(-2).mul(jf(df(1.16,t))))})),e})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),iT=Zp((([t,e])=>{const s=t.toVar();s.assign(df(2,s).sub(1));const i=cm(s,1).toVar();return tm(e.equal(0),(()=>{i.assign(i.zyx)})).elseif(e.equal(1),(()=>{i.assign(i.xzy),i.xz.mulAssign(-1)})).elseif(e.equal(2),(()=>{i.x.mulAssign(-1)})).elseif(e.equal(3),(()=>{i.assign(i.zyx),i.xz.mulAssign(-1)})).elseif(e.equal(4),(()=>{i.assign(i.xzy),i.xy.mulAssign(-1)})).elseif(e.equal(5),(()=>{i.z.mulAssign(-1)})),i})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),rT=Zp((([t,e,s,i,r,n])=>{const o=im(s),a=cm(e),h=Fy(sT(o),Wv,n),l=Jf(h),u=$f(h),c=cm(nT(t,a,u,i,r,n)).toVar();return tm(l.notEqual(0),(()=>{const e=cm(nT(t,a,u.add(1),i,r,n)).toVar();c.assign(Py(c,e,l))})),c})),nT=Zp((([t,e,s,i,r,n])=>{const o=im(s).toVar(),a=cm(e),h=im(tT(a)).toVar(),l=im(xy(Qv.sub(o),0)).toVar();o.assign(xy(o,Qv));const u=im(Gf(o)).toVar(),c=am(eT(a,h).mul(u.sub(2)).add(1)).toVar();return tm(h.greaterThan(2),(()=>{c.y.addAssign(u),h.subAssign(3)})),c.x.addAssign(h.mul(u)),c.x.addAssign(l.mul(df(3,Kv))),c.y.addAssign(df(4,Gf(n).sub(u))),c.x.mulAssign(i),c.y.mulAssign(r),t.uv(c).grad(am(),am())})),oT=Zp((({envMap:t,mipInt:e,outputDirection:s,theta:i,axis:r,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const h=Qf(i),l=s.mul(h).add(r.cross(s).mul(Zf(i))).add(r.mul(r.dot(s).mul(h.oneMinus())));return nT(t,l,e,n,o,a)})),aT=Zp((({n:t,latitudinal:e,poleAxis:s,outputDirection:i,weights:r,samples:n,dTheta:o,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})=>{const d=cm(kv(e,s,My(s,i))).toVar();tm(Of(d.equals(cm(0))),(()=>{d.assign(cm(i.z,0,i.x.negate()))})),d.assign(Yf(d));const p=cm().toVar();return p.addAssign(r.element(rm(0)).mul(oT({theta:0,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),ov({start:rm(1),end:t},(({i:t})=>{tm(t.greaterThanEqual(n),(()=>{hv()}));const e=im(o.mul(im(t))).toVar();p.addAssign(r.element(t).mul(oT({theta:e.mul(-1),axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),p.addAssign(r.element(t).mul(oT({theta:e,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})))})),gm(p,1)}));let hT=null;const lT=new WeakMap;class uT extends lp{constructor(t,e=null,s=null){super("vec3"),this._value=t,this._pmrem=null,this.uvNode=e,this.levelNode=s,this._generator=null,this._texture=ex(null),this._width=nf(0),this._height=nf(0),this._maxMip=nf(0),this.updateBeforeType=Hd.RENDER}set value(t){this._value=t,this._pmrem=null}get value(){return this._value}updateFromTexture(t){const e=function(t){const e=Math.log2(t)-2,s=1/t;return{texelWidth:1/(3*Math.max(Math.pow(2,e),112)),texelHeight:s,maxMip:e}}(t.image.height);this._texture.value=t,this._width.value=e.texelWidth,this._height.value=e.texelHeight,this._maxMip.value=e.maxMip}updateBefore(){let t=this._pmrem;const e=t?t.pmremVersion:-1,s=this._value;e!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:function(t){let e=lT.get(t);if((void 0!==e?e.pmremVersion:-1)!==t.pmremVersion){if(t.isCubeTexture){if(t.source.data.some((t=>void 0===t)))throw new Error("PMREMNode: Undefined texture in CubeTexture. Use onLoad callback or async loader");e=hT.fromCubemap(t,e)}else{if(void 0===t.image)throw new Error("PMREMNode: Undefined image in Texture. Use onLoad callback or async loader");e=hT.fromEquirectangular(t,e)}e.pmremVersion=t.pmremVersion,lT.set(t,e)}return e.texture}(s),this._pmrem=t,this.updateFromTexture(t))}setup(t){null===hT&&(hT=t.createPMREMGenerator()),this.updateBefore(t);let e=this.uvNode;null===e&&t.context.getUV&&(e=t.context.getUV(this));const s=this.value;t.renderer.coordinateSystem===zs&&!0!==s.isPMREMTexture&&!0===s.isRenderTargetTexture&&(e=cm(e.x.negate(),e.yz));let i=this.levelNode;return null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),rT(this._texture,e,i,this._width,this._height,this._maxMip)}}const cT=Yp(uT);ap("PMREMNode",uT);const dT=new WeakMap;class pT extends xv{constructor(t=null){super(),this.envNode=t}setup(t){let e=this.envNode;if(e.isTextureNode){let t=dT.get(e.value);void 0===t&&(t=cT(e.value),dT.set(e.value,t)),e=t}const{material:s}=t,i=s.envMap?cx("envMapIntensity","float",t.material):cx("environmentIntensity","float",t.scene),r=!0===s.useAnisotropy||s.anisotropy>0,n=$m(e,mT(mg,r?Vv:qx)).mul(i),o=$m(e,gT($x)).mul(Math.PI).mul(i),a=Hm(n),h=Hm(o);t.context.radiance.addAssign(a),t.context.iblIrradiance.addAssign(h);const l=t.context.lightingModel.clearcoatRadiance;if(l){const t=$m(e,mT(yg,Xx)).mul(i),s=Hm(t);l.addAssign(s)}}}const mT=(t,e)=>{let s=null;return{getUV:()=>(null===s&&(s=Lb.negate().reflect(e),s=t.mul(t).mix(s,e).normalize(),s=s.transformDirection(Tx)),s),getTextureLevel:()=>t}},gT=t=>({getUV:()=>t,getTextureLevel:()=>im(1)});ap("EnvironmentNode",pT);class fT extends xv{constructor(t){super(),this.node=t}setup(t){t.context.irradiance.addAssign(this.node)}}let yT,xT;ap("IrradianceNode",fT);class bT extends op{constructor(t){super(),this.scope=t,this.isViewportNode=!0}getNodeType(){return this.scope===bT.VIEWPORT?"vec4":this.scope===bT.COORDINATE?"vec3":"vec2"}getUpdateType(){let t=Hd.NONE;return this.scope!==bT.RESOLUTION&&this.scope!==bT.VIEWPORT||(t=Hd.RENDER),this.updateType=t,t}update({renderer:t}){this.scope===bT.VIEWPORT?t.getViewport(xT):t.getDrawingBufferSize(yT)}setup(){const t=this.scope;let e=null;if(t===bT.RESOLUTION)e=nf(yT||(yT=new Zs));else if(t===bT.VIEWPORT)e=nf(xT||(xT=new vi));else{e=vT.div(TT);let s=e.x,i=e.y;/bottom/i.test(t)&&(i=i.oneMinus()),/right/i.test(t)&&(s=s.oneMinus()),e=am(s,i)}return e}generate(t){if(this.scope===bT.COORDINATE){let e=t.getFragCoord();if(t.isFlipY()){const s=t.getNodeProperties(TT).outputNode.build(t);e=`${t.getType("vec3")}( ${e}.x, ${s}.y - ${e}.y, ${e}.z )`}return e}return super.generate(t)}}bT.COORDINATE="coordinate",bT.RESOLUTION="resolution",bT.VIEWPORT="viewport",bT.TOP_LEFT="topLeft",bT.BOTTOM_LEFT="bottomLeft",bT.TOP_RIGHT="topRight",bT.BOTTOM_RIGHT="bottomRight";const vT=Jp(bT,bT.COORDINATE),TT=Jp(bT,bT.RESOLUTION),_T=Jp(bT,bT.VIEWPORT),wT=Jp(bT,bT.TOP_LEFT),ST=Jp(bT,bT.BOTTOM_LEFT),MT=Jp(bT,bT.TOP_RIGHT),AT=Jp(bT,bT.BOTTOM_RIGHT);ap("ViewportNode",bT);const NT=new Zs;class RT extends tx{constructor(t=wT,e=null,s=null){null===s&&((s=new qa).minFilter=St),super(s,t,e),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Hd.FRAME}updateBefore(t){const e=t.renderer;e.getDrawingBufferSize(NT);const s=this.value;s.image.width===NT.width&&s.image.height===NT.height||(s.image.width=NT.width,s.image.height=NT.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,e.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const t=new this.constructor(this.uvNode,this.levelNode,this.value);return t.generateMipmaps=this.generateMipmaps,t}}const CT=Yp(RT),ET=Yp(RT,null,null,{generateMipmaps:!0});vp("viewportTexture",CT),vp("viewportMipTexture",ET),ap("ViewportTextureNode",RT);let BT=null;class IT extends RT{constructor(t=wT,e=null){null===BT&&(BT=new Za),super(t,e,BT)}}const PT=Yp(IT);vp("viewportDepthTexture",PT),ap("ViewportDepthTextureNode",IT);class FT extends op{constructor(t,e=null){super("float"),this.scope=t,this.valueNode=e,this.isViewportDepthNode=!0}generate(t){const{scope:e}=this;return e===FT.DEPTH?t.getFragDepth():super.generate(t)}setup({camera:t}){const{scope:e}=this,s=this.valueNode;let i=null;if(e===FT.DEPTH)i=null!==s?VT().assign(s):t.isPerspectiveCamera?zT(zb.z,fx,yx):UT(zb.z,fx,yx);else if(e===FT.LINEAR_DEPTH)if(null!==s)if(t.isPerspectiveCamera){const t=LT(s,fx,yx);i=UT(t,fx,yx)}else i=s;else i=UT(zb.z,fx,yx);return i}}const UT=(t,e,s)=>t.add(e).div(e.sub(s)),OT=(t,e,s)=>e.sub(s).mul(t).sub(e),zT=(t,e,s)=>e.add(t).mul(s).div(s.sub(e).mul(t)),LT=(t,e,s)=>e.mul(s).div(s.sub(e).mul(t).sub(s));FT.DEPTH="depth",FT.LINEAR_DEPTH="linearDepth";const VT=Yp(FT,FT.DEPTH),DT=Jp(FT,FT.DEPTH),kT=Yp(FT,FT.LINEAR_DEPTH),GT=kT(PT());DT.assign=t=>VT(t),ap("ViewportDepthNode",FT);class WT extends op{constructor(t=WT.DEFAULT){super(),this.scope=t}setup(t){super.setup(t);const e=t.clippingContext,{localClipIntersection:s,localClippingCount:i,globalClippingCount:r}=e,n=r+i,o=s?n-i:n;return this.scope===WT.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(e.planes,n,o):this.setupDefault(e.planes,n,o)}setupAlphaToCoverage(t,e,s){return Zp((()=>{const i=hx(t),r=cg("float","distanceToPlane"),n=cg("float","distanceToGradient"),o=cg("float","clipOpacity");let a;if(o.assign(1),ov(s,(({i:t})=>{a=i.element(t),r.assign(zb.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),o.mulAssign(zy(n.negate(),n,r)),o.equal(0).discard()})),s{a=i.element(e),r.assign(zb.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),t.mulAssign(zy(n.negate(),n,r).oneMinus())})),o.mulAssign(t.oneMinus())}pg.a.mulAssign(o),pg.a.equal(0).discard()}))()}setupDefault(t,e,s){return Zp((()=>{const i=hx(t);let r;if(ov(s,(({i:t})=>{r=i.element(t),zb.dot(r.xyz).greaterThan(r.w).discard()})),s{r=i.element(e),t.assign(zb.dot(r.xyz).greaterThan(r.w).and(t))})),t.discard()}}))()}}WT.ALPHA_TO_COVERAGE="alphaToCoverage",WT.DEFAULT="default";class jT extends op{constructor(){super("bool"),this.isFrontFacingNode=!0}generate(t){const{renderer:e,material:s}=t;return e.coordinateSystem===zs&&s.side===d?"false":t.getFrontFacing()}}const HT=Jp(jT),qT=im(HT).mul(2).sub(1);ap("FrontFacingNode",jT);const $T=new Map;class XT extends Jr{constructor(){super(),this.isNodeMaterial=!0,this.type=this.constructor.type,this.forceSinglePass=!1,this.fog=!0,this.lights=!0,this.normals=!0,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.depthNode=null,this.shadowNode=null,this.shadowPositionNode=null,this.outputNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+Zd(this)}build(t){this.setup(t)}setup(t){let e;t.addStack(),t.stack.outputNode=this.vertexNode||this.setupPosition(t),t.addFlow("vertex",t.removeStack()),t.addStack();const s=this.setupClipping(t);if(!0===this.depthWrite&&this.setupDepth(t),null===this.fragmentNode){!0===this.normals&&this.setupNormal(t),this.setupDiffuseColor(t),this.setupVariants(t);const i=this.setupLighting(t);null!==s&&t.stack.add(s);const r=gm(i,pg.a).max(0);e=this.setupOutput(t,r),Eg.assign(e),null!==this.outputNode&&(e=this.outputNode)}else{let s=this.fragmentNode;!0!==s.isOutputStructNode&&(s=gm(s)),e=this.setupOutput(t,s)}t.stack.outputNode=e,t.addFlow("fragment",t.removeStack())}setupClipping(t){if(null===t.clippingContext)return null;const{globalClippingCount:e,localClippingCount:s}=t.clippingContext;let i=null;return(e||s)&&(this.alphaToCoverage?i=qp(new WT(WT.ALPHA_TO_COVERAGE)):t.stack.add(qp(new WT))),i}setupDepth(t){const{renderer:e}=t;let s=this.depthNode;if(null===s&&!0===e.logarithmicDepthBuffer){s=Db().w.add(1).log2().mul(xx).mul(.5)}null!==s&&DT.assign(s).append()}setupPosition(t){const{object:e}=t,s=e.geometry;if(t.addStack(),(s.morphAttributes.position||s.morphAttributes.normal||s.morphAttributes.color)&&pv(e).append(),!0===e.isSkinnedMesh&&rv(e).append(),this.displacementMap){const t=mx("displacementMap","texture"),e=mx("displacementScale","float"),s=mx("displacementBias","float");Fb.addAssign(Wx.normalize().mul(t.x.mul(e).add(s)))}e.isBatchedMesh&&ev(e).append(),e.instanceMatrix&&!0===e.instanceMatrix.isInstancedBufferAttribute&&$b(e).append(),null!==this.positionNode&&Fb.assign(this.positionNode);const i=Db();return t.context.vertex=t.removeStack(),t.context.mvp=i,i}setupDiffuseColor({object:t,geometry:e}){let s=this.colorNode?gm(this.colorNode):Qx;if(!0===this.vertexColors&&e.hasAttribute("color")&&(s=gm(s.xyz.mul(km("color","vec3")),s.a)),t.instanceColor){s=dg("vec3","vInstanceColor").mul(s)}pg.assign(s);const i=this.opacityNode?im(this.opacityNode):eb;if(pg.a.assign(pg.a.mul(i)),null!==this.alphaTestNode||this.alphaTest>0){const t=null!==this.alphaTestNode?im(this.alphaTestNode):Zx;pg.a.lessThanEqual(t).discard()}!1===this.transparent&&1===this.blending&&!1===this.alphaToCoverage&&pg.a.assign(1)}setupVariants(){}setupNormal(){if(!0===this.flatShading){const t=zb.dFdx().cross(zb.dFdy()).normalize();qx.assign(t.mul(qT))}else{const t=this.normalNode?cm(this.normalNode):lb;qx.assign(t.mul(qT))}}getEnvNode(t){let e=null;return this.envNode?e=this.envNode:this.envMap?e=this.envMap.isCubeTexture?yv(this.envMap):ex(this.envMap):t.environmentNode&&(e=t.environmentNode),e}setupLights(t){const e=this.getEnvNode(t),s=[];if(e&&s.push(new pT(e)),t.material.lightMap&&s.push(new fT(mx("lightMap","texture"))),null!==this.aoNode||t.material.aoMap){const e=null!==this.aoNode?this.aoNode:ex(t.material.aoMap);s.push(new Av(e))}let i=this.lightsNode||t.lightsNode;return s.length>0&&(i=Sv([...i.lightNodes,...s])),i}setupLightingModel(){}setupLighting(t){const{material:e}=t,{backdropNode:s,backdropAlphaNode:i,emissiveNode:r}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(t):null;let o=pg.rgb;if(n&&!1!==n.hasLight){const e=this.setupLightingModel(t);o=Rv(n,e,s,i)}else null!==s&&(o=cm(null!==i?Py(o,s,i):s));return(r&&!0===r.isNode||e.emissive&&!0===e.emissive.isColor)&&(o=o.add(cm(r||tb))),o}setupOutput(t,e){if(!0===this.fog){const s=t.fogNode;s&&(e=gm(s.mix(e.rgb,s.colorNode),e.a))}return e}setDefaultValues(t){for(const e in t){const s=t[e];void 0===this[e]&&(this[e]=s,s&&s.clone&&(this[e]=s.clone()))}const e=Object.getOwnPropertyDescriptors(t.constructor.prototype);for(const t in e)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,t)&&void 0!==e[t].get&&Object.defineProperty(this.constructor.prototype,t,e[t])}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{},nodes:{}});const s=Jr.prototype.toJSON.call(this,t),i=Qd(this);s.inputNodes={};for(const{property:e,childNode:r}of i)s.inputNodes[e]=r.toJSON(t).uuid;function r(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(e){const e=r(t.textures),i=r(t.images),n=r(t.nodes);e.length>0&&(s.textures=e),i.length>0&&(s.images=i),n.length>0&&(s.nodes=n)}return s}copy(t){return this.lightsNode=t.lightsNode,this.envNode=t.envNode,this.colorNode=t.colorNode,this.normalNode=t.normalNode,this.opacityNode=t.opacityNode,this.backdropNode=t.backdropNode,this.backdropAlphaNode=t.backdropAlphaNode,this.alphaTestNode=t.alphaTestNode,this.positionNode=t.positionNode,this.depthNode=t.depthNode,this.shadowNode=t.shadowNode,this.shadowPositionNode=t.shadowPositionNode,this.outputNode=t.outputNode,this.fragmentNode=t.fragmentNode,this.vertexNode=t.vertexNode,super.copy(t)}static fromMaterial(t){if(!0===t.isNodeMaterial)return t;const e=JT(t.type.replace("Material","NodeMaterial"));if(void 0===e)throw new Error(`NodeMaterial: Material "${t.type}" is not compatible.`);for(const s in t)e[s]=t[s];return e}}function YT(t,e){if("function"!=typeof e||!t)throw new Error(`Node material ${t} is not a class`);$T.has(t)?console.warn(`Redefinition of node material ${t}`):($T.set(t,e),e.type=t)}function JT(t){const e=$T.get(t);if(void 0!==e)return new e}YT("NodeMaterial",XT);class ZT{constructor(t,e){this.name=t,this.value=e,this.boundary=0,this.itemSize=0,this.offset=0}setValue(t){this.value=t}getValue(){return this.value}}class QT extends ZT{constructor(t,e=0){super(t,e),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class KT extends ZT{constructor(t,e=new Zs){super(t,e),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class t_ extends ZT{constructor(t,e=new Ri){super(t,e),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class e_ extends ZT{constructor(t,e=new vi){super(t,e),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class s_ extends ZT{constructor(t,e=new $r){super(t,e),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class i_ extends ZT{constructor(t,e=new Qs){super(t,e),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class r_ extends ZT{constructor(t,e=new rr){super(t,e),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class n_ extends QT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class o_ extends KT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class a_ extends t_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class h_ extends e_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class l_ extends s_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class u_ extends i_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class c_ extends r_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class d_ extends op{constructor(t=null){super(),this.nodes=[],this.outputNode=null,this.parent=t,this._currentCond=null,this.isStackNode=!0}getNodeType(t){return this.outputNode?this.outputNode.getNodeType(t):"void"}add(t){return this.nodes.push(t),this}if(t,e){const s=new Hp(e);return this._currentCond=kv(t,s),this.add(this._currentCond)}elseif(t,e){const s=new Hp(e),i=kv(t,s);return this._currentCond.elseNode=i,this._currentCond=i,this}else(t){return this._currentCond.elseNode=new Hp(t),this}build(t,...e){const s=Kp();Qp(this);for(const e of this.nodes)e.build(t,"void");return Qp(s),this.outputNode?this.outputNode.build(t,...e):super.build(t,...e)}}const p_=Yp(d_);ap("StackNode",d_);class m_ extends lp{constructor(t=Ob){super("vec2"),this.dirNode=t}setup(){const t=this.dirNode,e=t.z.atan2(t.x).mul(1/(2*Math.PI)).add(.5),s=t.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return am(e,s)}}const g_=Yp(m_);ap("EquirectUVNode",m_);class f_ extends to{constructor(t=1,e={}){super(t,e),this.isCubeRenderTarget=!0}fromEquirectangularTexture(t,e){const s=e.minFilter,i=e.generateMipmaps;e.generateMipmaps=!0,this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const r=new Wn(5,5,5),n=g_(Ob),o=JT("MeshBasicNodeMaterial");o.colorNode=ex(e,n,0),o.side=d,o.blending=m;const a=new kn(r,o),h=new io;h.add(a),e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,h),e.minFilter=s,e.currentGenerateMipmaps=i,a.geometry.dispose(),a.material.dispose(),this}}const y_=[.125,.215,.35,.446,.526,.582],x_=20,b_=new Au(-1,1,1,-1,0,1),v_=new Jn(90,1),T_=new $r;let __=null,w_=0,S_=0;const M_=(1+Math.sqrt(5))/2,A_=1/M_,N_=[new Ri(-M_,A_,0),new Ri(M_,A_,0),new Ri(-A_,0,M_),new Ri(A_,0,M_),new Ri(0,M_,-A_),new Ri(0,M_,A_),new Ri(-1,1,-1),new Ri(1,1,-1),new Ri(-1,1,1),new Ri(1,1,1)],R_=[3,1,5,0,4,2],C_=iT(of(),km("faceIndex")).normalize(),E_=cm(C_.x,C_.y.negate(),C_.z);class B_{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}fromScene(t,e=0,s=.1,i=100){__=this._renderer.getRenderTarget(),w_=this._renderer.getActiveCubeFace(),S_=this._renderer.getActiveMipmapLevel(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,s,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=U_(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=O_(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?h=y_[a-t+4-1]:0===a&&(h=0),i.push(h);const l=1/(o-2),u=-l,c=1+l,d=[u,u,c,u,c,c,u,u,c,c,u,c],p=6,m=6,g=3,f=2,y=1,x=new Float32Array(g*m*p),b=new Float32Array(f*m*p),v=new Float32Array(y*m*p);for(let t=0;t2?0:-1,i=[e,s,0,e+2/3,s,0,e+2/3,s+1,0,e,s,0,e+2/3,s+1,0,e,s+1,0],r=R_[t];x.set(i,g*m*r),b.set(d,f*m*r);const n=[r,r,r,r,r,r];v.set(n,y*m*r)}const T=new wn;T.setAttribute("position",new on(x,g)),T.setAttribute("uv",new on(b,f)),T.setAttribute("faceIndex",new on(v,y)),e.push(T),r.push(new kn(T,null)),n>4&&n--}return{lodPlanes:e,sizeLods:s,sigmas:i,lodMeshes:r}}(i)),this._blurMaterial=function(t,e,s){const i=hx(new Array(x_).fill(0)),r=nf(new Ri(0,1,0)),n=nf(0),o=im(x_),a=nf(0),h=nf(1),l=ex(null),u=nf(0),c=im(1/e),d=im(1/s),p=im(t),m={n:o,latitudinal:a,weights:i,poleAxis:r,outputDirection:E_,dTheta:n,samples:h,envMap:l,mipInt:u,CUBEUV_TEXEL_WIDTH:c,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:p},g=F_();return g.uniforms=m,g.fragmentNode=aT({...m,latitudinal:a.equal(1)}),g}(i,t,e)}return i}_compileMaterial(t){const e=this._lodMeshes[0];e.material=t,this._renderer.compile(e,b_)}_sceneToCubeUV(t,e,s,i){const r=v_;r.near=e,r.far=s;const n=[-1,1,-1,-1,-1,-1],o=[1,1,1,-1,-1,-1],a=this._renderer,h=a.autoClear;a.getClearColor(T_),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const t=new Zr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1});l=new kn(new Wn,t)}let u=!1;const c=t.background;c?c.isColor&&(l.material.color.copy(c),t.background=null,u=!0):(l.material.color.copy(T_),u=!0),a.setRenderTarget(i),a.clear(),u&&a.render(l,r);for(let e=0;e<6;e++){const s=e%3;0===s?(r.up.set(0,n[e],0),r.lookAt(o[e],0,0)):1===s?(r.up.set(0,0,n[e]),r.lookAt(0,o[e],0)):(r.up.set(0,n[e],0),r.lookAt(0,0,o[e]));const h=this._cubeSize;P_(i,s*h,e>2?h:0,h,h),a.render(t,r)}a.autoClear=h,t.background=c}_textureToCubeUV(t,e){const s=this._renderer,i=t.mapping===ht||t.mapping===lt;i?null===this._cubemapMaterial&&(this._cubemapMaterial=U_(t)):null===this._equirectMaterial&&(this._equirectMaterial=O_(t));const r=i?this._cubemapMaterial:this._equirectMaterial;r.fragmentNode.value=t;const n=this._lodMeshes[0];n.material=r;const o=this._cubeSize;P_(e,0,0,3*o,2*o),s.setRenderTarget(e),s.render(n,b_)}_applyPMREM(t){const e=this._renderer,s=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;ex_&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const g=[];let f=0;for(let t=0;ty-4?i-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(e),a.render(l,b_)}}function I_(t,e,s){const i=new Ti(t,e,s);return i.texture.mapping=306,i.texture.name="PMREM.cubeUv",i.texture.isPMREMTexture=!0,i.scissorTest=!0,i}function P_(t,e,s,i,r){const n=t.height-r-s;t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function F_(){const t=new XT;return t.depthTest=!1,t.depthWrite=!1,t.blending=m,t}function U_(t){const e=F_();return e.fragmentNode=yv(t,E_),e}function O_(t){const e=F_();return e.fragmentNode=ex(t,g_(E_),0),e}let z_=0;class L_{constructor(t="",e=[]){this.name=t,this.bindings=e,this.id=z_++}}const V_=new WeakMap,D_=new Map([[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),k_=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),G_=t=>(t=Number(t))+(t%1?"":".0");class W_{constructor(t,e,s){this.object=t,this.material=t&&t.material||null,this.geometry=t&&t.geometry||null,this.renderer=e,this.parser=s,this.scene=null,this.camera=null,this.nodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=p_(),this.stacks=[],this.tab="\t",this.instanceBindGroups=!0,this.currentFunctionNode=null,this.context={keywords:new ag,material:this.material},this.cache=new lg,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null}getBingGroupsCache(){let t=V_.get(this.renderer);return void 0===t&&(t=new vd,V_.set(this.renderer,t)),t}createRenderTarget(t,e,s){return new Ti(t,e,s)}createCubeRenderTarget(t,e){return new f_(t,e)}createPMREMGenerator(){return new B_(this.renderer)}includes(t){return this.nodes.includes(t)}_getBindGroup(t,e){const s=this.getBingGroupsCache(),i=[];let r,n=!0;for(const t of e)if(!0===t.groupNode.shared){const e=t.getNodes();let r=s.get(e);void 0===r&&(s.set(e,t),r=t),i.push(r)}else i.push(t),n=!1;return n?(r=s.get(i),void 0===r&&(r=new L_(t,i),s.set(i,r))):r=new L_(t,i),r}getBindGroupArray(t,e){const s=this.bindings[e];let i=s[t];return void 0===i&&(void 0===this.bindingsIndexes[t]&&(this.bindingsIndexes[t]={binding:0,group:Object.keys(this.bindingsIndexes).length}),s[t]=i=[]),i}getBindings(){let t=this.bindGroups;if(null===t){const 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t}getNodeFromHash(t){return this.hashNodes[t]}addFlow(t,e){return this.flowNodes[t].push(e),e}setContext(t){this.context=t}getContext(){return this.context}setCache(t){this.cache=t}getCache(){return this.cache}getCacheFromNode(t,e=!0){const s=this.getDataFromNode(t);return void 0===s.cache&&(s.cache=new lg(e?this.getCache():null)),s.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract function.")}getFragCoord(){console.warn("Abstract function.")}isFlipY(){return!1}generateTexture(){console.warn("Abstract function.")}generateTextureLod(){console.warn("Abstract function.")}generateConst(t,e=null){if(null===e&&("float"===t||"int"===t||"uint"===t?e=0:"bool"===t?e=!1:"color"===t?e=new $r:"vec2"===t?e=new Zs:"vec3"===t?e=new Ri:"vec4"===t&&(e=new vi)),"float"===t)return 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null}flowChildNode(t,e=null){const s=this.flow,i={code:""};return this.flow=i,i.result=t.build(this,e),this.flow=s,i}flowNodeFromShaderStage(t,e,s=null,i=null){const r=this.shaderStage;this.setShaderStage(t);const n=this.flowChildNode(e,s);return null!==i&&(n.code+=`${this.tab+i} = ${n.result};\n`),this.flowCode[t]=this.flowCode[t]+n.code,this.setShaderStage(r),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(t,e){return`${this.getType(t)} ${e}`}getVars(t){let e="";const s=this.vars[t];if(void 0!==s)for(const t of s)e+=`${this.getVar(t.type,t.name)}; `;return e}getUniforms(){console.warn("Abstract function.")}getCodes(t){const e=this.codes[t];let s="";if(void 0!==e)for(const t of e)s+=t.code+"\n";return s}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(t){this.shaderStage=t}getShaderStage(){return this.shaderStage}setBuildStage(t){this.buildStage=t}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:t,material:e}=this;null!==e?XT.fromMaterial(e).build(this):this.addFlow("compute",t);for(const t of Xd){this.setBuildStage(t),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const e of Yd){this.setShaderStage(e);const s=this.flowNodes[e];for(const e of s)"generate"===t?this.flowNode(e):e.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(t,e){if("float"===e||"int"===e||"uint"===e)return new n_(t);if("vec2"===e||"ivec2"===e||"uvec2"===e)return new o_(t);if("vec3"===e||"ivec3"===e||"uvec3"===e)return new a_(t);if("vec4"===e||"ivec4"===e||"uvec4"===e)return new h_(t);if("color"===e)return new l_(t);if("mat3"===e)return new u_(t);if("mat4"===e)return new c_(t);throw new Error(`Uniform "${e}" not declared.`)}createNodeMaterial(t="NodeMaterial"){return JT(t)}format(t,e,s){if((e=this.getVectorType(e))===(s=this.getVectorType(s))||null===s||this.isReference(s))return t;const i=this.getTypeLength(e),r=this.getTypeLength(s);return i>4||r>4||0===r?t:i===r?`${this.getType(s)}( ${t} )`:i>r?this.format(`${t}.${"xyz".slice(0,r)}`,this.getTypeFromLength(r,this.getComponentType(e)),s):4===r&&i>1?`${this.getType(s)}( ${this.format(t,e,"vec3")}, 1.0 )`:2===i?`${this.getType(s)}( ${this.format(t,e,"vec2")}, 0.0 )`:(1===i&&r>1&&e!==this.getComponentType(s)&&(t=`${this.getType(this.getComponentType(s))}( ${t} )`),`${this.getType(s)}( ${t} )`)}getSignature(){return`// Three.js r${t} - Node System\n`}}class j_{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.startTime=null,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(t,e){let s=t.get(e);return void 0===s&&(s={renderMap:new WeakMap,frameMap:new WeakMap},t.set(e,s)),s}updateBeforeNode(t){const e=t.getUpdateBeforeType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.frameId&&!1!==t.updateBefore(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.renderId&&!1!==t.updateBefore(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateBefore(this)}updateAfterNode(t){const e=t.getUpdateAfterType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.frameId&&!1!==t.updateAfter(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.renderId&&!1!==t.updateAfter(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateAfter(this)}updateNode(t){const e=t.getUpdateType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.frameId&&!1!==t.update(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.renderId&&!1!==t.update(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class H_{constructor(t,e,s=null,i="",r=!1){this.type=t,this.name=e,this.count=s,this.qualifier=i,this.isConst=r}}H_.isNodeFunctionInput=!0;class q_ extends op{constructor(t){super(),this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}ap("StructTypeNode",q_);class $_ extends op{constructor(...t){super(),this.members=t,this.isOutputStructNode=!0}setup(t){super.setup(t);const e=this.members,s=[];for(let i=0;iAy(df(4,t.mul(cf(1,t))),e),Q_=(t,e)=>t.lessThan(.5)?Z_(t.mul(2),e).div(2):cf(1,Z_(df(cf(1,t),2),e).div(2)),K_=(t,e,s)=>Ay(pf(Ay(t,e),uf(Ay(t,e),Ay(cf(1,t),s))),1/e),tw=(t,e)=>Zf(Ff.mul(e.mul(t).sub(1))).div(Ff.mul(e.mul(t).sub(1)));vp("parabola",Z_),vp("gain",Q_),vp("pcurve",K_),vp("sinc",tw);const ew=Zp((([t])=>t.fract().sub(.5).abs())),sw=Zp((([t])=>cm(ew(t.z.add(ew(t.y.mul(1)))),ew(t.z.add(ew(t.x.mul(1)))),ew(t.y.add(ew(t.x.mul(1))))))),iw=Zp((([t,e,s])=>{const i=cm(t).toVar(),r=im(1.4).toVar(),n=im(0).toVar(),o=cm(i).toVar();return ov({start:im(0),end:im(3),type:"float",condition:"<="},(()=>{const t=cm(sw(o.mul(2))).toVar();i.addAssign(t.add(s.mul(im(.1).mul(e)))),o.mulAssign(1.8),r.mulAssign(1.5),i.mulAssign(1.2);const a=im(ew(i.z.add(ew(i.x.add(ew(i.y)))))).toVar();n.addAssign(a.div(r)),o.addAssign(.14)})),n}));let rw;ew.setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),sw.setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),iw.setLayout({name:"triNoise3D",type:"float",inputs:[{name:"p",type:"vec3"},{name:"spd",type:"float"},{name:"time",type:"float"}]});class nw extends Dv{constructor(t){rw=rw||Zy("discard"),super(t,rw)}}const ow=Yp(nw),aw=t=>ow(t).append(),hw=()=>Zy("return").append();vp("discard",aw),ap("DiscardNode",nw);class lw extends op{constructor(t=[],...e){super(),this.functionNodes=t,this.parametersNodes=e,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(t){const e=this.parametersNodes;let s=this._candidateFnCall;if(null===s){let i=null,r=-1;for(const s of this.functionNodes){const n=s.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(e.length===o.length){let n=0;for(let s=0;sr&&(i=s,r=n)}}this._candidateFnCall=s=i(...e)}return s}}const uw=Yp(lw),cw=t=>(...e)=>uw(t,...e);ap("FunctionOverloadingNode",lw);class dw extends lp{constructor(){super("vec2")}setup(){const t=cm(Lb.z,0,Lb.x.negate()).normalize(),e=Lb.cross(t);return am(t.dot(qx),e.dot(qx)).mul(.495).add(.5)}}const pw=Jp(dw);ap("MatcapUVNode",dw);class mw extends rf{constructor(t=mw.LOCAL,e=1,s=0){super(s),this.scope=t,this.scale=e,this.updateType=Hd.FRAME}update(t){const e=this.scope,s=this.scale;e===mw.LOCAL?this.value+=t.deltaTime*s:e===mw.DELTA?this.value=t.deltaTime*s:e===mw.FRAME?this.value=t.frameId:this.value=t.time*s}serialize(t){super.serialize(t),t.scope=this.scope,t.scale=this.scale}deserialize(t){super.deserialize(t),this.scope=t.scope,this.scale=t.scale}}mw.LOCAL="local",mw.GLOBAL="global",mw.DELTA="delta",mw.FRAME="frame";const gw=(t,e=0)=>qp(new mw(mw.LOCAL,t,e)),fw=(t,e=0)=>qp(new mw(mw.GLOBAL,t,e)),yw=(t,e=0)=>qp(new mw(mw.DELTA,t,e)),xw=Jp(mw,mw.FRAME).toUint();ap("TimerNode",mw);class bw extends op{constructor(t=bw.SINE,e=gw()){super(),this.method=t,this.timeNode=e}getNodeType(t){return this.timeNode.getNodeType(t)}setup(){const t=this.method,e=qp(this.timeNode);let s=null;return t===bw.SINE?s=e.add(.75).mul(2*Math.PI).sin().mul(.5).add(.5):t===bw.SQUARE?s=e.fract().round():t===bw.TRIANGLE?s=e.add(.5).fract().mul(2).sub(1).abs():t===bw.SAWTOOTH&&(s=e.fract()),s}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}bw.SINE="sine",bw.SQUARE="square",bw.TRIANGLE="triangle",bw.SAWTOOTH="sawtooth";const vw=Yp(bw,bw.SINE),Tw=Yp(bw,bw.SQUARE),_w=Yp(bw,bw.TRIANGLE),ww=Yp(bw,bw.SAWTOOTH);ap("OscNode",bw);class Sw extends lp{constructor(t,e){super(),this.scope=t,this.node=e}getNodeType(t){return this.node.getNodeType(t)}setup(){const{scope:t,node:e}=this;let s=null;return t===Sw.DIRECTION_TO_COLOR?s=e.mul(.5).add(.5):t===Sw.COLOR_TO_DIRECTION&&(s=e.mul(2).sub(1)),s}}Sw.DIRECTION_TO_COLOR="directionToColor",Sw.COLOR_TO_DIRECTION="colorToDirection";const Mw=Yp(Sw,Sw.DIRECTION_TO_COLOR),Aw=Yp(Sw,Sw.COLOR_TO_DIRECTION);vp("directionToColor",Mw),vp("colorToDirection",Aw),ap("PackingNode",Sw);class Nw extends op{constructor(t,e,s,i=im(0),r=im(1)){super(),this.node=t,this.inLowNode=e,this.inHighNode=s,this.outLowNode=i,this.outHighNode=r,this.doClamp=!0}setup(){const{node:t,inLowNode:e,inHighNode:s,outLowNode:i,outHighNode:r,doClamp:n}=this;let o=t.sub(e).div(s.sub(e));return!0===n&&(o=o.clamp()),o.mul(r.sub(i)).add(i)}}const Rw=Yp(Nw,null,null,{doClamp:!1}),Cw=Yp(Nw);vp("remap",Rw),vp("remapClamp",Cw),ap("RemapNode",Nw);class Ew extends lp{constructor(t,e,s=am(.5)){super("vec2"),this.uvNode=t,this.rotationNode=e,this.centerNode=s}setup(){const{uvNode:t,rotationNode:e,centerNode:s}=this;return t.sub(s).rotate(e).add(s)}}const Bw=Yp(Ew);vp("rotateUV",Bw),ap("RotateUVNode",Ew);class Iw extends lp{constructor(t,e){super(),this.positionNode=t,this.rotationNode=e}getNodeType(t){return this.positionNode.getNodeType(t)}setup(t){const{rotationNode:e,positionNode:s}=this;if("vec2"===this.getNodeType(t)){const t=e.cos(),i=e.sin();return bm(t,i,i.negate(),t).mul(s)}{const t=e,i=Nm(gm(1,0,0,0),gm(0,Qf(t.x),Zf(t.x).negate(),0),gm(0,Zf(t.x),Qf(t.x),0),gm(0,0,0,1)),r=Nm(gm(Qf(t.y),0,Zf(t.y),0),gm(0,1,0,0),gm(Zf(t.y).negate(),0,Qf(t.y),0),gm(0,0,0,1)),n=Nm(gm(Qf(t.z),Zf(t.z).negate(),0,0),gm(Zf(t.z),Qf(t.z),0,0),gm(0,0,1,0),gm(0,0,0,1));return i.mul(r).mul(n).mul(gm(s,1)).xyz}}}const Pw=Yp(Iw);vp("rotate",Pw),ap("RotateNode",Iw);class Fw extends op{constructor(t,e=of(),s=im(0)){super("vec2"),this.countNode=t,this.uvNode=e,this.frameNode=s}setup(){const{frameNode:t,uvNode:e,countNode:s}=this,{width:i,height:r}=s,n=t.mod(i.mul(r)).floor(),o=n.mod(i),a=r.sub(n.add(1).div(i).ceil()),h=s.reciprocal(),l=am(o,a);return e.add(l).mul(h)}}const Uw=Yp(Fw);ap("SpriteSheetUVNode",Fw);class Ow extends up{constructor(t,e){super(t,e),this.isStorageArrayElementNode=!0}set storageBufferNode(t){this.node=t}get storageBufferNode(){return this.node}setup(t){return!1===t.isAvailable("storageBuffer")&&(this.node.instanceIndex||!0!==this.node.bufferObject||t.setupPBO(this.node)),super.setup(t)}generate(t,e){let s;const i=t.context.assign;if(!1===t.isAvailable("storageBuffer")){const{node:e}=this;s=e.instanceIndex||!0!==this.node.bufferObject||!0===i?e.build(t):t.generatePBO(this)}else s=super.generate(t);if(!0!==i){const i=this.getNodeType(t);s=t.format(s,i,e)}return s}}const zw=Yp(Ow);vp("storageElement",zw),ap("StorageArrayElementNode",Ow);class Lw extends op{constructor(t,e=null,s=null,i=im(1),r=Fb,n=Wx){super("vec4"),this.textureXNode=t,this.textureYNode=e,this.textureZNode=s,this.scaleNode=i,this.positionNode=r,this.normalNode=n}setup(){const{textureXNode:t,textureYNode:e,textureZNode:s,scaleNode:i,positionNode:r,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(cm(1)));const a=r.yz.mul(i),h=r.zx.mul(i),l=r.xy.mul(i),u=t.value,c=null!==e?e.value:u,d=null!==s?s.value:u,p=ex(u,a).mul(o.x),m=ex(c,h).mul(o.y),g=ex(d,l).mul(o.z);return uf(p,m,g)}}const Vw=Yp(Lw),Dw=(...t)=>Vw(...t);vp("triplanarTexture",Dw),ap("TriplanarTexturesNode",Lw);const kw=new ta,Gw=new Ri,Ww=new Ri,jw=new Ri,Hw=new rr,qw=new Ri(0,0,-1),$w=new vi,Xw=new Ri,Yw=new Ri,Jw=new vi,Zw=new Zs,Qw=new Ti,Kw=am(wT.x.oneMinus(),wT.y);let tS=!1;class eS extends tx{constructor(t={}){super(Qw.texture,Kw);const{target:e=new Br,resolution:s=1,generateMipmaps:i=!1,bounces:r=!0}=t;this.target=e,this.resolution=s,this.generateMipmaps=i,this.bounces=r,this.updateBeforeType=r?Hd.RENDER:Hd.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(t,e){const s=this.resolution;e.getDrawingBufferSize(Zw),t.setSize(Math.round(Zw.width*s),Math.round(Zw.height*s))}setup(t){return this._updateResolution(Qw,t.renderer),super.setup(t)}getTextureNode(){return this.textureNode}getVirtualCamera(t){let e=this.virtualCameras.get(t);return void 0===e&&(e=t.clone(),this.virtualCameras.set(t,e)),e}getRenderTarget(t){let e=this.renderTargets.get(t);return void 0===e&&(e=new Ti(0,0,{type:Pt}),!0===this.generateMipmaps&&(e.texture.minFilter=1008,e.texture.generateMipmaps=!0),this.renderTargets.set(t,e)),e}updateBefore(t){if(!1===this.bounces&&tS)return!1;tS=!0;const{scene:e,camera:s,renderer:i,material:r}=t,{target:n}=this,o=this.getVirtualCamera(s),a=this.getRenderTarget(o);if(i.getDrawingBufferSize(Zw),this._updateResolution(a,i),Ww.setFromMatrixPosition(n.matrixWorld),jw.setFromMatrixPosition(s.matrixWorld),Hw.extractRotation(n.matrixWorld),Gw.set(0,0,1),Gw.applyMatrix4(Hw),Xw.subVectors(Ww,jw),Xw.dot(Gw)>0)return;Xw.reflect(Gw).negate(),Xw.add(Ww),Hw.extractRotation(s.matrixWorld),qw.set(0,0,-1),qw.applyMatrix4(Hw),qw.add(jw),Yw.subVectors(Ww,qw),Yw.reflect(Gw).negate(),Yw.add(Ww),o.coordinateSystem=s.coordinateSystem,o.position.copy(Xw),o.up.set(0,1,0),o.up.applyMatrix4(Hw),o.up.reflect(Gw),o.lookAt(Yw),o.near=s.near,o.far=s.far,o.updateMatrixWorld(),o.projectionMatrix.copy(s.projectionMatrix),kw.setFromNormalAndCoplanarPoint(Gw,Ww),kw.applyMatrix4(o.matrixWorldInverse),$w.set(kw.normal.x,kw.normal.y,kw.normal.z,kw.constant);const h=o.projectionMatrix;Jw.x=(Math.sign($w.x)+h.elements[8])/h.elements[0],Jw.y=(Math.sign($w.y)+h.elements[9])/h.elements[5],Jw.z=-1,Jw.w=(1+h.elements[10])/h.elements[14],$w.multiplyScalar(1/$w.dot(Jw));h.elements[2]=$w.x,h.elements[6]=$w.y,h.elements[10]=$w.z-0,h.elements[14]=$w.w,this.value=a.texture,r.visible=!1;const l=i.getRenderTarget();i.setRenderTarget(a),i.render(e,o),i.setRenderTarget(l),r.visible=!0,tS=!1}}const sS=t=>qp(new eS(t));class iS extends Dm{constructor(t=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=t}getAttributeName(){const t=this.index;return"color"+(t>0?t:"")}generate(t){const e=this.getAttributeName(t);let s;return s=!0===t.hasGeometryAttribute(e)?super.generate(t):t.generateConst(this.nodeType,new vi(1,1,1,1)),s}serialize(t){super.serialize(t),t.index=this.index}deserialize(t){super.deserialize(t),this.index=t.index}}const rS=(...t)=>qp(new iS(...t));ap("VertexColorNode",iS);class nS extends ux{constructor(t,e,s=null){super(t,e,s),this.renderer=s}updateReference(t){return this.reference=null!==this.renderer?this.renderer:t.renderer,this.reference}}const oS=(t,e,s)=>qp(new nS(t,e,s));ap("RendererReferenceNode",nS);const aS=1/6,hS=t=>df(aS,df(t,df(t,t.negate().add(3)).sub(3)).add(1)),lS=t=>df(aS,df(t,df(t,df(3,t).sub(6))).add(4)),uS=t=>df(aS,df(t,df(t,df(-3,t).add(3)).add(3)).add(1)),cS=t=>df(aS,Ay(t,3)),dS=t=>hS(t).add(lS(t)),pS=t=>uS(t).add(cS(t)),mS=t=>uf(-1,lS(t).div(hS(t).add(lS(t)))),gS=t=>uf(1,cS(t).div(uS(t).add(cS(t)))),fS=(t,e,s)=>{const i=t.uvNode,r=df(i,e.zw).add(.5),n=$f(r),o=Jf(r),a=dS(o.x),h=pS(o.x),l=mS(o.x),u=gS(o.x),c=mS(o.y),d=gS(o.y),p=am(n.x.add(l),n.y.add(c)).sub(.5).mul(e.xy),m=am(n.x.add(u),n.y.add(c)).sub(.5).mul(e.xy),g=am(n.x.add(l),n.y.add(d)).sub(.5).mul(e.xy),f=am(n.x.add(u),n.y.add(d)).sub(.5).mul(e.xy),y=dS(o.y).mul(uf(a.mul(t.uv(p).level(s)),h.mul(t.uv(m).level(s)))),x=pS(o.y).mul(uf(a.mul(t.uv(g).level(s)),h.mul(t.uv(f).level(s))));return y.add(x)};class yS extends lp{constructor(t,e=im(3)){super("vec4"),this.textureNode=t,this.blurNode=e}setup(){return((t,e)=>{const s=am(t.size(rm(e))),i=am(t.size(rm(e.add(1)))),r=pf(1,s),n=pf(1,i),o=fS(t,gm(r,s),$f(e)),a=fS(t,gm(n,i),Xf(e));return Jf(e).mix(o,a)})(this.textureNode,this.blurNode)}}const xS=Yp(yS);vp("bicubic",xS),ap("TextureBicubicNode",yS);class bS extends op{constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const vS=Jp(bS);ap("PointUVNode",bS);class TS extends op{constructor(t=TS.BACKGROUND_BLURRINESS,e=null){super(),this.scope=t,this.scene=e}setup(t){const e=this.scope,s=null!==this.scene?this.scene:t.scene;let i;return e===TS.BACKGROUND_BLURRINESS?i=cx("backgroundBlurriness","float",s):e===TS.BACKGROUND_INTENSITY?i=cx("backgroundIntensity","float",s):console.error("THREE.SceneNode: Unknown scope:",e),i}}TS.BACKGROUND_BLURRINESS="backgroundBlurriness",TS.BACKGROUND_INTENSITY="backgroundIntensity";const _S=Jp(TS,TS.BACKGROUND_BLURRINESS),wS=Jp(TS,TS.BACKGROUND_INTENSITY);ap("SceneNode",TS);const SS="point-list",MS="line-list",AS="line-strip",NS="triangle-list",RS="triangle-strip",CS="never",ES="less",BS="equal",IS="less-equal",PS="greater",FS="not-equal",US="greater-equal",OS="always",zS="store",LS="load",VS="clear",DS="ccw",kS="none",GS="front",WS="back",jS="uint16",HS="uint32",qS={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},$S="clamp-to-edge",XS="repeat",YS="mirror-repeat",JS="linear",ZS="nearest",QS="zero",KS="one",tM="src",eM="one-minus-src",sM="src-alpha",iM="one-minus-src-alpha",rM="dst",nM="one-minus-dst",oM="dst-alpha",aM="one-minus-dst-alpha",hM="src-alpha-saturated",lM="constant",uM="one-minus-constant",cM="add",dM="subtract",pM="reverse-subtract",mM="min",gM="max",fM=0,yM=15,xM="keep",bM="zero",vM="replace",TM="invert",_M="increment-clamp",wM="decrement-clamp",SM="increment-wrap",MM="decrement-wrap",AM="storage",NM="read-only-storage",RM="write-only",CM="read-only",EM="unfilterable-float",BM="depth",IM="sint",PM="uint",FM="2d",UM="3d",OM="2d",zM="2d-array",LM="cube",VM="3d",DM="all",kM="vertex",GM="instance",WM={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable"};class jM extends rx{constructor(t,e,s=0){super(t,e,s),this.isStorageBufferNode=!0,this.access=AM,this.bufferObject=!1,this.bufferCount=s,this._attribute=null,this._varying=null,this.global=!0,!0!==t.isStorageBufferAttribute&&!0!==t.isStorageInstancedBufferAttribute&&(t.isInstancedBufferAttribute?t.isStorageInstancedBufferAttribute=!0:t.isStorageBufferAttribute=!0)}getHash(t){if(0===this.bufferCount){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getInputType(){return"storageBuffer"}element(t){return zw(this,t)}setBufferObject(t){return this.bufferObject=t,this}setAccess(t){return this.access=t,this}toReadOnly(){return this.setAccess(NM)}generate(t){if(t.isAvailable("storageBuffer"))return super.generate(t);const e=this.getNodeType(t);null===this._attribute&&(this._attribute=Gb(this.value),this._varying=Vm(this._attribute));const s=this._varying.build(t,e);return t.registerTransform(s,this._attribute),s}}const HM=(t,e,s)=>qp(new jM(t,e,s)),qM=(t,e,s)=>qp(new jM(t,e,s).setBufferObject(!0));ap("StorageBufferNode",jM);class $M extends tx{constructor(t,e,s=null){super(t,e),this.storeNode=s,this.isStorageTextureNode=!0,this.access=RM}getInputType(){return"storageTexture"}setup(t){super.setup(t);t.getNodeProperties(this).storeNode=this.storeNode}setAccess(t){return this.access=t,this}generate(t,e){let s;return s=null!==this.storeNode?this.generateStore(t):super.generate(t,e),s}toReadOnly(){return this.setAccess(CM)}toWriteOnly(){return this.setAccess(RM)}generateStore(t){const e=t.getNodeProperties(this),{uvNode:s,storeNode:i}=e,r=super.generate(t,"property"),n=s.build(t,"uvec2"),o=i.build(t,"vec4"),a=t.generateTextureStore(t,r,n,o);t.addLineFlowCode(a)}}const XM=Yp($M),YM=(t,e,s)=>{const i=XM(t,e,s);return null!==s&&i.append(),i};ap("StorageTextureNode",$M);const JM=Zp((({texture:t,uv:e})=>{const s=1e-4,i=cm().temp();return tm(e.x.lessThan(s),(()=>{i.assign(cm(1,0,0))})).elseif(e.y.lessThan(s),(()=>{i.assign(cm(0,1,0))})).elseif(e.z.lessThan(s),(()=>{i.assign(cm(0,0,1))})).elseif(e.x.greaterThan(.9999),(()=>{i.assign(cm(-1,0,0))})).elseif(e.y.greaterThan(.9999),(()=>{i.assign(cm(0,-1,0))})).elseif(e.z.greaterThan(.9999),(()=>{i.assign(cm(0,0,-1))})).else((()=>{const s=.01,r=t.uv(e.add(cm(-.01,0,0))).r.sub(t.uv(e.add(cm(s,0,0))).r),n=t.uv(e.add(cm(0,-.01,0))).r.sub(t.uv(e.add(cm(0,s,0))).r),o=t.uv(e.add(cm(0,0,-.01))).r.sub(t.uv(e.add(cm(0,0,s))).r);i.assign(cm(r,n,o))})),i.normalize()}));class ZM extends tx{constructor(t,e=null,s=null){super(t,e,s),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return cm(.5,.5,.5)}setUpdateMatrix(){}setupUV(t,e){return e}generateUV(t,e){return e.build(t,"vec3")}normal(t){return JM({texture:this,uv:t})}}const QM=Yp(ZM);ap("Texture3DNode",ZM);class KM extends ux{constructor(t,e,s=null){super(t,e,s),this.userData=s}update(t){this.reference=null!==this.userData?this.userData:t.object.userData,super.update(t)}}const tA=(t,e,s)=>qp(new KM(t,e,s));ap("UserDataNode",KM);const eA=Zp((({base:t,blend:e})=>{const s=s=>e[s].lessThan(If).cond(e[s],t[s].oneMinus().div(e[s]).oneMinus().max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"burnColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),sA=Zp((({base:t,blend:e})=>{const s=s=>e[s].equal(1).cond(e[s],t[s].div(e[s].oneMinus()).max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"dodgeColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),iA=Zp((({base:t,blend:e})=>{const s=s=>t[s].oneMinus().mul(e[s].oneMinus()).oneMinus();return cm(s("x"),s("y"),s("z"))})).setLayout({name:"screenColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),rA=Zp((({base:t,blend:e})=>{const s=s=>t[s].lessThan(.5).cond(t[s].mul(e[s],2),t[s].oneMinus().mul(e[s].oneMinus()).oneMinus());return cm(s("x"),s("y"),s("z"))})).setLayout({name:"overlayColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]});class nA extends lp{constructor(t,e,s){super(),this.blendMode=t,this.baseNode=e,this.blendNode=s}setup(){const{blendMode:t,baseNode:e,blendNode:s}=this,i={base:e,blend:s};let r=null;return t===nA.BURN?r=eA(i):t===nA.DODGE?r=sA(i):t===nA.SCREEN?r=iA(i):t===nA.OVERLAY&&(r=rA(i)),r}}nA.BURN="burn",nA.DODGE="dodge",nA.SCREEN="screen",nA.OVERLAY="overlay";const oA=Yp(nA,nA.BURN),aA=Yp(nA,nA.DODGE),hA=Yp(nA,nA.OVERLAY),lA=Yp(nA,nA.SCREEN);vp("burn",oA),vp("dodge",aA),vp("overlay",hA),vp("screen",lA),ap("BlendModeNode",nA);const uA=Zp((({textureNode:t,bumpScale:e})=>{const s=e=>t.cache().context({getUV:t=>e(t.uvNode||of()),forceUVContext:!0}),i=im(s((t=>t)));return am(im(s((t=>t.add(t.dFdx())))).sub(i),im(s((t=>t.add(t.dFdy())))).sub(i)).mul(e)})),cA=Zp((t=>{const{surf_pos:e,surf_norm:s,dHdxy:i}=t,r=e.dFdx().normalize(),n=s,o=e.dFdy().normalize().cross(n),a=n.cross(r),h=r.dot(o).mul(qT),l=h.sign().mul(i.x.mul(o).add(i.y.mul(a)));return h.abs().mul(s).sub(l).normalize()}));class dA extends lp{constructor(t,e=null){super("vec3"),this.textureNode=t,this.scaleNode=e}setup(){const t=null!==this.scaleNode?this.scaleNode:1,e=uA({textureNode:this.textureNode,bumpScale:t});return cA({surf_pos:zb,surf_norm:jx,dHdxy:e})}}const pA=Yp(dA);vp("bumpMap",pA),ap("BumpMapNode",dA);const mA=Zp((({color:t,adjustment:e})=>e.mix(_A(t.rgb),t.rgb))),gA=Zp((({color:t,adjustment:e})=>{const s=uf(t.r,t.g,t.b).div(3),i=t.r.max(t.g.max(t.b)),r=i.sub(s).mul(e).mul(-3);return Py(t.rgb,i,r)})),fA=Zp((({color:t,adjustment:e})=>{const s=cm(.57735,.57735,.57735),i=e.cos();return cm(t.rgb.mul(i).add(s.cross(t.rgb).mul(e.sin()).add(s.mul(Sy(s,t.rgb).mul(i.oneMinus())))))}));class yA extends lp{constructor(t,e,s=im(1)){super("vec3"),this.method=t,this.colorNode=e,this.adjustmentNode=s}setup(){const{method:t,colorNode:e,adjustmentNode:s}=this,i={color:e,adjustment:s};let r=null;return t===yA.SATURATION?r=mA(i):t===yA.VIBRANCE?r=gA(i):t===yA.HUE?r=fA(i):console.error(`${this.type}: Method "${this.method}" not supported!`),r}}yA.SATURATION="saturation",yA.VIBRANCE="vibrance",yA.HUE="hue";const xA=Yp(yA,yA.SATURATION),bA=Yp(yA,yA.VIBRANCE),vA=Yp(yA,yA.HUE),TA=cm(.2125,.7154,.0721),_A=(t,e=TA)=>Sy(t,e),wA=(t,e)=>Py(cm(0),t,_A(t).sub(e).max(0));vp("saturation",xA),vp("vibrance",bA),vp("hue",vA),vp("threshold",wA),ap("ColorAdjustmentNode",yA);const SA=Zp((t=>{const{eye_pos:e,surf_norm:s,mapN:i,uv:r}=t,n=e.dFdx(),o=e.dFdy(),a=r.dFdx(),h=r.dFdy(),l=s,u=o.cross(l),c=l.cross(n),d=u.mul(a.x).add(c.mul(h.x)),p=u.mul(a.y).add(c.mul(h.y)),m=d.dot(d).max(p.dot(p)),g=qT.mul(m.inverseSqrt());return uf(d.mul(i.x,g),p.mul(i.y,g),l.mul(i.z)).normalize()}));class MA extends lp{constructor(t,e=null){super("vec3"),this.node=t,this.scaleNode=e,this.normalMapType=0}setup(t){const{normalMapType:e,scaleNode:s}=this;let i=this.node.mul(2).sub(1);null!==s&&(i=cm(i.xy.mul(s),i.z));let r=null;if(1===e)r=Ox.mul(i).normalize();else if(0===e){r=!0===t.hasGeometryAttribute("tangent")?Ov.mul(i).normalize():SA({eye_pos:zb,surf_norm:jx,mapN:i,uv:of()})}return r}}const AA=Yp(MA);vp("normalMap",AA),ap("NormalMapNode",MA);class NA extends lp{constructor(t,e){super(),this.sourceNode=t,this.stepsNode=e}setup(){const{sourceNode:t,stepsNode:e}=this;return t.mul(e).floor().div(e)}}const RA=Yp(NA);vp("posterize",RA),ap("PosterizeNode",NA);const CA=Zp((({color:t,exposure:e})=>t.mul(e).clamp())),EA=Zp((({color:t,exposure:e})=>(t=t.mul(e)).div(t.add(1)).clamp())),BA=Zp((({color:t,exposure:e})=>{const s=(t=(t=t.mul(e)).sub(.004).max(0)).mul(t.mul(6.2).add(.5)),i=t.mul(t.mul(6.2).add(1.7)).add(.06);return s.div(i).pow(2.2)})),IA=Zp((({color:t})=>{const e=t.mul(t.add(.0245786)).sub(90537e-9),s=t.mul(t.add(.432951).mul(.983729)).add(.238081);return e.div(s)})),PA=Zp((({color:t,exposure:e})=>{const s=wm(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),i=wm(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return t=t.mul(e).div(.6),t=s.mul(t),t=IA({color:t}),(t=i.mul(t)).clamp()})),FA=wm(cm(1.6605,-.1246,-.0182),cm(-.5876,1.1329,-.1006),cm(-.0728,-.0083,1.1187)),UA=wm(cm(.6274,.0691,.0164),cm(.3293,.9195,.088),cm(.0433,.0113,.8956)),OA=Zp((([t])=>{const e=cm(t).toVar(),s=cm(e.mul(e)).toVar(),i=cm(s.mul(s)).toVar();return im(15.5).mul(i.mul(s)).sub(df(40.14,i.mul(e))).add(df(31.96,i).sub(df(6.868,s.mul(e))).add(df(.4298,s).add(df(.1191,e).sub(.00232))))})),zA=Zp((({color:t,exposure:e})=>{const s=cm(t).toVar(),i=wm(cm(.856627153315983,.137318972929847,.11189821299995),cm(.0951212405381588,.761241990602591,.0767994186031903),cm(.0482516061458583,.101439036467562,.811302368396859)),r=wm(cm(1.1271005818144368,-.1413297634984383,-.14132976349843826),cm(-.11060664309660323,1.157823702216272,-.11060664309660294),cm(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=im(-12.47393),o=im(4.026069);return s.mulAssign(e),s.assign(UA.mul(s)),s.assign(i.mul(s)),s.assign(xy(s,1e-10)),s.assign(jf(s)),s.assign(s.sub(n).div(o.sub(n))),s.assign(Fy(s,0,1)),s.assign(OA(s)),s.assign(r.mul(s)),s.assign(Ay(xy(cm(0),s),cm(2.2))),s.assign(FA.mul(s)),s.assign(Fy(s,0,1)),s})),LA=Zp((({color:t,exposure:e})=>{const s=im(.76),i=im(.15);t=t.mul(e);const r=yy(t.r,yy(t.g,t.b)),n=kv(r.lessThan(.08),r.sub(df(6.25,r.mul(r))),.04);t.subAssign(n);const o=xy(t.r,xy(t.g,t.b));tm(o.lessThan(s),(()=>t));const a=cf(1,s),h=cf(1,a.mul(a).div(o.add(a.sub(s))));t.mulAssign(h.div(o));const l=cf(1,pf(1,i.mul(o.sub(h)).add(1)));return Py(t,cm(h),l)})).setLayout({name:"NeutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),VA={1:CA,2:EA,3:BA,4:PA,6:zA,7:LA};class DA extends lp{constructor(t=0,e=GA,s=null){super("vec3"),this.toneMapping=t,this.exposureNode=e,this.colorNode=s}getCacheKey(){let t=super.getCacheKey();return t="{toneMapping:"+this.toneMapping+",nodes:"+t+"}",t}setup(t){const e=this.colorNode||t.context.color,s=this.toneMapping;if(0===s)return e;const i={exposure:this.exposureNode,color:e},r=VA[s];let n=null;return r?n=r(i):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",s),n=e),n}}const kA=(t,e,s)=>qp(new DA(t,qp(e),qp(s))),GA=oS("toneMappingExposure","float");vp("toneMapping",((t,e,s)=>kA(e,s,t))),ap("ToneMappingNode",DA);let WA=null;class jA extends RT{constructor(t=wT,e=null){null===WA&&(WA=new qa),super(t,e,WA)}updateReference(){return this}}const HA=Yp(jA);vp("viewportSharedTexture",HA),ap("ViewportSharedTextureNode",jA);const qA=new Zs;class $A extends tx{constructor(t,e){super(e),this.passNode=t,this.setUpdateMatrix(!1)}setup(t){return this.passNode.build(t),super.setup(t)}clone(){return new this.constructor(this.passNode,this.value)}}class XA extends lp{constructor(t,e,s){super("vec4"),this.scope=t,this.scene=e,this.camera=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Za;i.isRenderTargetTexture=!0,i.name="PostProcessingDepth";const r=new Ti(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Pt});r.texture.name="PostProcessing",r.depthTexture=i,this.renderTarget=r,this.updateBeforeType=Hd.FRAME,this._textureNode=qp(new $A(this,r.texture)),this._depthTextureNode=qp(new $A(this,i)),this._linearDepthNode=null,this._viewZNode=null,this._cameraNear=nf(0),this._cameraFar=nf(0),this.isPassNode=!0}isGlobal(){return!0}getTextureNode(){return this._textureNode}getTextureDepthNode(){return this._depthTextureNode}getViewZNode(){if(null===this._viewZNode){const t=this._cameraNear,e=this._cameraFar;this._viewZNode=LT(this._depthTextureNode,t,e)}return this._viewZNode}getLinearDepthNode(){if(null===this._linearDepthNode){const t=this._cameraNear,e=this._cameraFar;this._linearDepthNode=UT(this.getViewZNode(),t,e)}return this._linearDepthNode}setup(){return this.scope===XA.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(t){const{renderer:e}=t,{scene:s,camera:i}=this;this._pixelRatio=e.getPixelRatio();const r=e.getSize(qA);this.setSize(r.width,r.height);const n=e.toneMapping,o=e.toneMappingNode,a=e.getRenderTarget();this._cameraNear.value=i.near,this._cameraFar.value=i.far,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this.renderTarget),e.render(s,i),e.toneMapping=n,e.toneMappingNode=o,e.setRenderTarget(a)}setSize(t,e){this._width=t,this._height=e;const s=this._width*this._pixelRatio,i=this._height*this._pixelRatio;this.renderTarget.setSize(s,i)}setPixelRatio(t){this._pixelRatio=t,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}XA.COLOR="color",XA.DEPTH="depth";const YA=(t,e)=>qp(new XA(XA.COLOR,t,e)),JA=(t,e)=>qp(new $A(t,e)),ZA=(t,e)=>qp(new XA(XA.DEPTH,t,e));ap("PassNode",XA);const QA=new Au(-1,1,1,-1,0,1);const KA=new class extends wn{constructor(t=!1){super();const e=!1===t?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new gn([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new gn(e,2))}};class tN extends kn{constructor(t=null){super(KA,t),this.camera=QA}renderAsync(t){return t.renderAsync(this,QA)}render(t){t.render(this,QA)}}const eN=new tN,sN=new tN;class iN extends lp{constructor(t,e=2){super("vec4"),this.textureNode=t,this.sigma=e,this.directionNode=am(1),this._invSize=nf(new Zs),this._passDirection=nf(new Zs),this._horizontalRT=new Ti,this._horizontalRT.texture.name="GaussianBlurNode.horizontal",this._verticalRT=new Ti,this._verticalRT.texture.name="GaussianBlurNode.vertical",this._textureNode=JA(this,this._verticalRT.texture),this.updateBeforeType=Hd.RENDER,this.resolution=new Zs(1,1)}setSize(t,e){t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._invSize.value.set(1/t,1/e),this._horizontalRT.setSize(t,e),this._verticalRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value,r=e.getRenderTarget(),n=s.value;eN.material=this._material,sN.material=this._material,this.setSize(i.image.width,i.image.height);const o=i.type;this._horizontalRT.texture.type=o,this._verticalRT.texture.type=o,e.setRenderTarget(this._horizontalRT),this._passDirection.value.set(1,0),eN.render(e),s.value=this._horizontalRT.texture,e.setRenderTarget(this._verticalRT),this._passDirection.value.set(0,1),sN.render(e),e.setRenderTarget(r),s.value=n}getTextureNode(){return this._textureNode}setup(t){const e=this.textureNode;if(!0!==e.isTextureNode)return console.error("GaussianBlurNode requires a TextureNode."),gm();const s=e.uvNode||of(),i=t=>e.cache().context({getUV:()=>t,forceUVContext:!0}),r=Zp((()=>{const t=3+2*this.sigma,e=this._getCoefficients(t),r=this._invSize,n=am(this.directionNode).mul(this._passDirection),o=im(e[0]).toVar(),a=gm(i(s).mul(o)).toVar();for(let h=1;hqp(new iN(qp(t),e));vp("gaussianBlur",rN);const nN=new Zs,oN=new tN;class aN extends lp{constructor(t,e=.96){super(t),this.textureNode=t,this.textureNodeOld=ex(),this.damp=nf(e),this._compRT=new Ti,this._compRT.texture.name="AfterImageNode.comp",this._oldRT=new Ti,this._oldRT.texture.name="AfterImageNode.old",this._textureNode=JA(this,this._compRT.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._compRT.setSize(t,e),this._oldRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value.type;this._compRT.texture.type=i,this._oldRT.texture.type=i,e.getDrawingBufferSize(nN),this.setSize(nN.x,nN.y);const r=e.toneMapping,n=e.toneMappingNode,o=e.getRenderTarget(),a=s.value;this.textureNodeOld.value=this._oldRT.texture,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this._compRT),oN.render(e);const h=this._oldRT;this._oldRT=this._compRT,this._compRT=h,e.toneMapping=r,e.toneMappingNode=n,e.setRenderTarget(o),s.value=a}setup(t){const e=this.textureNode,s=this.textureNodeOld;if(!0!==e.isTextureNode)return console.error("AfterImageNode requires a TextureNode."),gm();const i=e.uvNode||of();s.uvNode=i;const r=Zp((([t,e])=>{const s=im(e).toVar(),i=gm(t).toVar();return xy(ry(i.sub(s)),0)})),n=Zp((()=>{const t=gm(s),n=gm((t=>e.cache().context({getUV:()=>t,forceUVContext:!0}))(i));return t.mulAssign(this.damp.mul(r(t,.1))),xy(n,t)})),o=this._materialComposed||(this._materialComposed=t.createNodeMaterial());o.fragmentNode=n(),oN.material=o;return t.getNodeProperties(this).textureNode=e,this._textureNode}}const hN=(t,e)=>qp(new aN(qp(t),e));vp("afterImage",hN);const lN=new tN;class uN extends lp{constructor(t,e,s,i){super("vec4"),this.textureNode=t,this.tresholdNode=e,this.scaleNode=s,this.colorNode=cm(.1,0,1),this.samples=i,this.resolution=new Zs(1,1),this._renderTarget=new Ti,this._renderTarget.texture.name="anamorphic",this._invSize=nf(new Zs),this._textureNode=JA(this,this._renderTarget.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._invSize.value.set(1/t,1/e),t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._renderTarget.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value;this._renderTarget.texture.type=i.type;const r=e.getRenderTarget(),n=s.value;lN.material=this._material,this.setSize(i.image.width,i.image.height),e.setRenderTarget(this._renderTarget),lN.render(e),e.setRenderTarget(r),s.value=n}setup(t){const e=this.textureNode;if(!0!==e.isTextureNode)return console.error("AnamorphNode requires a TextureNode."),gm();const s=e.uvNode||of(),i=Zp((()=>{const t=this.samples,i=Math.floor(t/2),r=cm(0).toVar();return ov({start:-i,end:i},(({i:t})=>{const n=im(t).abs().div(i).oneMinus(),o=(t=>e.cache().context({getUV:()=>t,forceUVContext:!0}))(am(s.x.add(this._invSize.x.mul(t).mul(this.scaleNode)),s.y)),a=wA(o,this.tresholdNode).mul(n);r.addAssign(a)})),r.mul(this.colorNode)}));(this._material||(this._material=t.createNodeMaterial())).fragmentNode=i();return t.getNodeProperties(this).textureNode=e,this._textureNode}}const cN=(t,e=.9,s=3,i=32)=>qp(new uN(qp(t),qp(e),qp(s),i));vp("anamorphic",cN);class dN extends lp{constructor(t){super(),this.textureNode=t,this.updateBeforeType=Hd.RENDER,this._invSize=nf(new Zs)}updateBefore(){const t=this.textureNode.value;this._invSize.value.set(1/t.image.width,1/t.image.height)}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=t=>this.textureNode.cache().context({getUV:()=>t,forceUVContext:!0});return Zp((()=>{const t=this._invSize,i=wm(-1,-2,-1,0,0,0,1,2,1),r=wm(-1,0,1,-2,0,2,-1,0,1),n=_A(s(e.add(t.mul(am(-1,-1)))).xyz),o=_A(s(e.add(t.mul(am(-1,0)))).xyz),a=_A(s(e.add(t.mul(am(-1,1)))).xyz),h=_A(s(e.add(t.mul(am(0,-1)))).xyz),l=_A(s(e.add(t.mul(am(0,0)))).xyz),u=_A(s(e.add(t.mul(am(0,1)))).xyz),c=_A(s(e.add(t.mul(am(1,-1)))).xyz),d=_A(s(e.add(t.mul(am(1,0)))).xyz),p=_A(s(e.add(t.mul(am(1,1)))).xyz),m=uf(i[0][0].mul(n),i[1][0].mul(h),i[2][0].mul(c),i[0][1].mul(o),i[1][1].mul(l),i[2][1].mul(d),i[0][2].mul(a),i[1][2].mul(u),i[2][2].mul(p)),g=uf(r[0][0].mul(n),r[1][0].mul(h),r[2][0].mul(c),r[0][1].mul(o),r[1][1].mul(l),r[2][1].mul(d),r[0][2].mul(a),r[1][2].mul(u),r[2][2].mul(p)),f=m.mul(m).add(g.mul(g)).sqrt();return gm(cm(f),1)}))()}}const pN=t=>qp(new dN(qp(t)));vp("sobel",pN);class mN extends lp{constructor(t,e,s,i,r){super(),this.textureNode=t,this.viewZNode=e,this.focusNode=s,this.apertureNode=i,this.maxblurNode=r,this._aspect=nf(0),this.updateBeforeType=Hd.RENDER}updateBefore(){const t=this.textureNode.value;this._aspect.value=t.image.width/t.image.height}setup(){const t=this.textureNode,e=t.uvNode||of(),s=e=>t.uv(e);return Zp((()=>{const t=am(1,this._aspect),i=this.focusNode.add(this.viewZNode),r=am(Fy(i.mul(this.apertureNode),this.maxblurNode.negate(),this.maxblurNode)),n=r.mul(.9),o=r.mul(.7),a=r.mul(.4);let h=gm(0);return h=h.add(s(e)),h=h.add(s(e.add(am(0,.4).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(a)))),h=h.div(41),h.a=1,gm(h)}))()}}const gN=(t,e,s=1,i=.025,r=1)=>qp(new mN(qp(t),qp(e),qp(s),qp(i),qp(r)));vp("dof",gN);const fN=new tN;class yN extends lp{constructor(t,e=new Zs(.5,.5),s=1.57,i=1){super("vec4"),this.colorNode=t,this.center=nf(e),this.angle=nf(s),this.scale=nf(i),this._renderTarget=new Ti,this._renderTarget.texture.name="dotScreen",this._size=nf(new Zs),this._textureNode=JA(this,this._renderTarget.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._size.value.set(t,e),this._renderTarget.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.colorNode,i=s.value;this._renderTarget.texture.type=i.type;const r=e.getRenderTarget(),n=s.value;fN.material=this._material,this.setSize(i.image.width,i.image.height),e.setRenderTarget(this._renderTarget),fN.render(e),e.setRenderTarget(r),s.value=n}setup(t){const e=this.colorNode,s=Zp((()=>{const t=Zf(this.angle),e=Qf(this.angle),s=of().mul(this._size).sub(this.center),i=am(e.mul(s.x).sub(t.mul(s.y)),t.mul(s.x).add(e.mul(s.y))).mul(this.scale);return Zf(i.x).mul(Zf(i.y)).mul(4)})),i=Zp((()=>{const t=e,i=uf(t.r,t.g,t.b).div(3);return gm(cm(i.mul(10).sub(5).add(s())),t.a)}));(this._material||(this._material=t.createNodeMaterial())).fragmentNode=i();return t.getNodeProperties(this).textureNode=e,this._textureNode}}const xN=(t,e,s,i)=>qp(new yN(qp(t),e,s,i));vp("dotScreen",xN);class bN extends lp{constructor(t,e=.005,s=0){super("vec4"),this.textureNode=t,this.amount=nf(e),this.angle=nf(s)}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=t=>this.textureNode.uv(t);return Zp((()=>{const t=am(Qf(this.angle),Zf(this.angle)).mul(this.amount),i=s(e.add(t)),r=s(e),n=s(e.sub(t));return gm(i.r,r.g,n.b,r.a)}))()}}const vN=(t,e,s)=>qp(new bN(qp(t),e,s));vp("rgbShift",vN);class TN extends lp{constructor(t,e=null,s=null){super(),this.inputNode=t,this.intensityNode=e,this.uvNode=s}setup(){const t=this.uvNode||of(),e=Zp((()=>{const e=this.inputNode.rgb,s=Vy(Jf(t.add(gw())));let i=e.add(e.mul(Fy(s.add(.1),0,1)));return null!==this.intensityNode&&(i=Py(e,i,this.intensityNode)),gm(i,this.inputNode.a)}));return e()}}const _N=Yp(TN);vp("film",_N);class wN extends lp{constructor(t=null,e={}){super(),this.functionNode=t,this.parameters=e}setParameters(t){return this.parameters=t,this}getParameters(){return this.parameters}getNodeType(t){return this.functionNode.getNodeType(t)}generate(t){const e=[],s=this.functionNode,i=s.getInputs(t),r=this.parameters;if(Array.isArray(r))for(let s=0;s(e=e.length>1||e[0]&&!0===e[0].isNode?Xp(e):$p(e[0]),qp(new wN(qp(t),e)));vp("call",SN),ap("FunctionCallNode",wN);class MN extends op{constructor(t=null){super(),this._value=t,this._cache=null,this.inputType=null,this.outpuType=null,this.events=new Vs,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(t){this._value!==t&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=t,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const t=this.value;if(t&&null===this._cache&&"URL"===this.inputType&&t.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([t.value]));else if(t&&null!==t.value&&void 0!==t.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof t.value||"Number"===this.inputType&&"number"==typeof t.value||"Vector2"===this.inputType&&t.value.isVector2||"Vector3"===this.inputType&&t.value.isVector3||"Vector4"===this.inputType&&t.value.isVector4||"Color"===this.inputType&&t.value.isColor||"Matrix3"===this.inputType&&t.value.isMatrix3||"Matrix4"===this.inputType&&t.value.isMatrix4))return t.value;return this._cache||t}getNodeType(t){return this.value&&this.value.isNode?this.value.getNodeType(t):"float"}setup(){return this.value&&this.value.isNode?this.value:im()}serialize(t){super.serialize(t),null!==this.value?"ArrayBuffer"===this.inputType?t.value=ep(this.value):t.value=this.value?this.value.toJSON(t.meta).uuid:null:t.value=null,t.inputType=this.inputType,t.outputType=this.outputType}deserialize(t){super.deserialize(t);let e=null;null!==t.value&&(e="ArrayBuffer"===t.inputType?sp(t.value):"Texture"===t.inputType?t.meta.textures[t.value]:t.meta.nodes[t.value]||null),this.value=e,this.inputType=t.inputType,this.outputType=t.outputType}}const AN=Yp(MN);vp("scriptableValue",AN),ap("ScriptableValueNode",MN);class NN extends Map{get(t,e=null,...s){if(this.has(t))return super.get(t);if(null!==e){const i=e(...s);return this.set(t,i),i}}}class RN{constructor(t){this.scriptableNode=t}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(t){return this.scriptableNode.getInputLayout(t)}get(t){const e=this.parameters[t];return e?e.getValue():null}}const CN=new NN;class EN extends op{constructor(t=null,e={}){super(),this.codeNode=t,this.parameters=e,this._local=new NN,this._output=AN(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(t,e){return this._local.set(t,e)}getLocal(t){return this._local.get(t)}onRefresh(){this._refresh()}getInputLayout(t){for(const e of this.getLayout())if(e.inputType&&(e.id===t||e.name===t))return e}getOutputLayout(t){for(const e of this.getLayout())if(e.outputType&&(e.id===t||e.name===t))return e}setOutput(t,e){const s=this._outputs;return void 0===s[t]?s[t]=AN(e):s[t].value=e,this}getOutput(t){return this._outputs[t]}getParameter(t){return this.parameters[t]}setParameter(t,e){const s=this.parameters;return e&&e.isScriptableNode?(this.deleteParameter(t),s[t]=e,s[t].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):e&&e.isScriptableValueNode?(this.deleteParameter(t),s[t]=e,s[t].events.addEventListener("refresh",this.onRefresh)):void 0===s[t]?(s[t]=AN(e),s[t].events.addEventListener("refresh",this.onRefresh)):s[t].value=e,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(t){let e=this.parameters[t];return e&&(e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const t of Object.keys(this.parameters))this.deleteParameter(t);return this.needsUpdate=!0,this}call(t,...e){const s=this.getObject()[t];if("function"==typeof s)return s(...e)}async callAsync(t,...e){const s=this.getObject()[t];if("function"==typeof s)return"AsyncFunction"===s.constructor.name?await s(...e):s(...e)}getNodeType(t){return this.getDefaultOutputNode().getNodeType(t)}refresh(t=null){null!==t?this.getOutput(t).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const t=new RN(this),e=CN.get("THREE"),s=CN.get("TSL"),i=this.getMethod(this.codeNode),r=[t,this._local,CN,()=>this.refresh(),(t,e)=>this.setOutput(t,e),e,s];this._object=i(...r);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const t of n.elements){const e=t.id||t.name;t.inputType&&(void 0===this.getParameter(e)&&this.setParameter(e,null),this.getParameter(e).inputType=t.inputType),t.outputType&&(void 0===this.getOutput(e)&&this.setOutput(e,null),this.getOutput(e).outputType=t.outputType)}return this._object}deserialize(t){super.deserialize(t);for(const t in this.parameters){let e=this.parameters[t];e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const t=this.getDefaultOutput().value;return t&&t.isNode?t:im()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const t=["layout","init","main","dispose"].join(", "),e="\nreturn { ...output, "+t+" };",s="var "+t+"; var output = {};\n"+this.codeNode.code+e;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],s),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}set needsUpdate(t){!0===t&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const BN=Yp(EN);vp("scriptable",BN),ap("ScriptableNode",EN);class IN extends op{constructor(t,e){super("float"),this.isFogNode=!0,this.colorNode=t,this.factorNode=e}getViewZNode(t){let e;const s=t.context.getViewZ;return void 0!==s&&(e=s(this)),(e||zb.z).negate()}setup(){return this.factorNode}}const PN=Yp(IN);vp("fog",PN),ap("FogNode",IN);class FN extends IN{constructor(t,e,s){super(t),this.isFogRangeNode=!0,this.nearNode=e,this.farNode=s}setup(t){const e=this.getViewZNode(t);return zy(this.nearNode,this.farNode,e)}}const UN=Yp(FN);vp("rangeFog",UN),ap("FogRangeNode",FN);class ON extends IN{constructor(t,e){super(t),this.isFogExp2Node=!0,this.densityNode=e}setup(t){const e=this.getViewZNode(t),s=this.densityNode;return s.mul(s,e,e).negate().exp().oneMinus()}}const zN=Yp(ON);vp("densityFog",zN),ap("FogExp2Node",ON);let LN=null,VN=null;class DN extends op{constructor(t=im(),e=im()){super(),this.minNode=t,this.maxNode=e}getVectorLength(t){const e=t.getTypeLength(Kd(this.minNode.value)),s=t.getTypeLength(Kd(this.maxNode.value));return e>s?e:s}getNodeType(t){return t.object.count>1?t.getTypeFromLength(this.getVectorLength(t)):"float"}setup(t){const e=t.object;let s=null;if(e.count>1){const i=this.minNode.value,r=this.maxNode.value,n=t.getTypeLength(Kd(i)),o=t.getTypeLength(Kd(r));LN=LN||new vi,VN=VN||new vi,LN.setScalar(0),VN.setScalar(0),1===n?LN.setScalar(i):i.isColor?LN.set(i.r,i.g,i.b):LN.set(i.x,i.y,i.z||0,i.w||0),1===o?VN.setScalar(r):r.isColor?VN.set(r.r,r.g,r.b):VN.set(r.x,r.y,r.z||0,r.w||0);const a=4,h=a*e.count,l=new Float32Array(h);for(let t=0;tqp(new GN(qp(t),e,s));vp("compute",WN),ap("ComputeNode",GN);class jN extends op{constructor(t=jN.TARGET_DIRECTION,e=null){super(),this.scope=t,this.light=e}setup(){const{scope:t,light:e}=this;let s=null;return t===jN.TARGET_DIRECTION&&(s=Tx.transformDirection(Ex(e).sub(Ex(e.target)))),s}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}jN.TARGET_DIRECTION="targetDirection";const HN=Yp(jN,jN.TARGET_DIRECTION);ap("LightNode",jN);const qN=Zp((t=>{const{lightDistance:e,cutoffDistance:s,decayExponent:i}=t,r=e.pow(i).max(.01).reciprocal();return s.greaterThan(0).cond(r.mul(e.div(s).pow4().oneMinus().clamp().pow2()),r)}));class $N extends vv{constructor(t=null){super(t),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){const{light:e}=this;super.update(t),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}setup(t){const{colorNode:e,cutoffDistanceNode:s,decayExponentNode:i,light:r}=this,n=t.context.lightingModel,o=Ix(r).sub(zb),a=o.normalize(),h=o.length(),l=qN({lightDistance:h,cutoffDistance:s,decayExponent:i}),u=e.mul(l),c=t.context.reflectedLight;n.direct({lightDirection:a,lightColor:u,reflectedLight:c,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("PointLightNode",$N),Mv(Mu,$N);class XN extends vv{constructor(t=null){super(t)}setup(t){super.setup(t);const e=t.context.lightingModel,s=this.colorNode,i=HN(this.light),r=t.context.reflectedLight;e.direct({lightDirection:i,lightColor:s,reflectedLight:r,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("DirectionalLightNode",XN),Mv(Ru,XN);const YN=new rr,JN=new rr;let ZN=null;class QN extends vv{constructor(t=null){super(t),this.halfHeight=nf(new Ri),this.halfWidth=nf(new Ri)}update(t){super.update(t);const{light:e}=this,s=t.camera.matrixWorldInverse;JN.identity(),YN.copy(e.matrixWorld),YN.premultiply(s),JN.extractRotation(YN),this.halfWidth.value.set(.5*e.width,0,0),this.halfHeight.value.set(0,.5*e.height,0),this.halfWidth.value.applyMatrix4(JN),this.halfHeight.value.applyMatrix4(JN)}setup(t){let e,s;super.setup(t),t.isAvailable("float32Filterable")?(e=ex(ZN.LTC_FLOAT_1),s=ex(ZN.LTC_FLOAT_2)):(e=ex(ZN.LTC_HALF_1),s=ex(ZN.LTC_HALF_2));const{colorNode:i,light:r}=this,n=t.context.lightingModel,o=Ix(r),a=t.context.reflectedLight;n.directRectArea({lightColor:i,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:e,ltc_2:s},t.stack,t)}static setLTC(t){ZN=t}}ap("RectAreaLightNode",QN),Mv(Eu,QN);class KN extends vv{constructor(t=null){super(t),this.coneCosNode=nf(0),this.penumbraCosNode=nf(0),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){super.update(t);const{light:e}=this;this.coneCosNode.value=Math.cos(e.angle),this.penumbraCosNode.value=Math.cos(e.angle*(1-e.penumbra)),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}getSpotAttenuation(t){const{coneCosNode:e,penumbraCosNode:s}=this;return zy(e,s,t)}setup(t){super.setup(t);const e=t.context.lightingModel,{colorNode:s,cutoffDistanceNode:i,decayExponentNode:r,light:n}=this,o=Ix(n).sub(zb),a=o.normalize(),h=a.dot(HN(n)),l=this.getSpotAttenuation(h),u=o.length(),c=qN({lightDistance:u,cutoffDistance:i,decayExponent:r}),d=s.mul(l).mul(c),p=t.context.reflectedLight;e.direct({lightDirection:a,lightColor:d,reflectedLight:p,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("SpotLightNode",KN),Mv(vu,KN);class tR extends vu{constructor(t,e,s,i,r,n){super(t,e,s,i,r,n),this.iesMap=null}copy(t,e){return super.copy(t,e),this.iesMap=t.iesMap,this}}class eR extends KN{getSpotAttenuation(t){const e=this.light.iesMap;let s=null;if(e&&!0===e.isTexture){const i=t.acos().mul(1/Math.PI);s=ex(e,am(i,0),0).r}else s=super.getSpotAttenuation(t);return s}}ap("IESSpotLightNode",eR),Mv(tR,eR);class sR extends vv{constructor(t=null){super(t)}setup({context:t}){t.irradiance.addAssign(this.colorNode)}}ap("AmbientLightNode",sR),Mv(Cu,sR);class iR extends vv{constructor(t=null){super(t),this.lightPositionNode=Ex(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=nf(new $r)}update(t){const{light:e}=this;super.update(t),this.lightPositionNode.object3d=e,this.groundColorNode.value.copy(e.groundColor).multiplyScalar(e.intensity)}setup(t){const{colorNode:e,groundColorNode:s,lightDirectionNode:i}=this,r=jx.dot(i).mul(.5).add(.5),n=Py(s,e,r);t.context.irradiance.addAssign(n)}}ap("HemisphereLightNode",iR),Mv(mu,iR);const rR=Zp((t=>{const e=t.uv.mul(2),s=e.x.floor(),i=e.y.floor();return s.add(i).mod(2).sign()}));class nR extends lp{constructor(t=of()){super("float"),this.uvNode=t}setup(){return rR({uv:this.uvNode})}}const oR=Yp(nR);vp("checker",oR),ap("CheckerNode",nR);class aR extends iu{constructor(t){super(t),this.textures={}}load(t,e,s,i){const r=new ou(this.manager);r.setPath(this.path),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(s=>{try{e(this.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),this.manager.itemError(t)}}),s,i)}parseNodes(t){const e={};if(void 0!==t){for(const s of t){const{uuid:t,type:i}=s;e[t]=qp(hp(i)),e[t].uuid=t}const s={nodes:e,textures:this.textures};for(const i of t){i.meta=s;e[i.uuid].deserialize(i),delete i.meta}}return e}parse(t){const e=qp(hp(t.type));e.uuid=t.uuid;const s={nodes:this.parseNodes(t.nodes),textures:this.textures};return t.meta=s,e.deserialize(t),delete t.meta,e}setTextures(t){return this.textures=t,this}}const hR=new za;class lR extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.pointWidth=1,this.pointColorNode=null,this.setDefaultValues(hR),this.setupShaders(),this.setValues(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor;this.vertexNode=Zp((()=>{Vm(am(),"vUv").assign(of());const t=km("instancePosition"),e=cg("vec4","mvPos");e.assign(Ux.mul(gm(t,1)));const s=_T.z.div(_T.w),i=bx.mul(e),r=cg("vec2","offset");return r.assign(Pb.xy),r.assign(r.mul(Eb)),r.assign(r.div(_T.z)),r.y.assign(r.y.mul(s)),r.assign(r.mul(i.w)),i.assign(i.add(gm(r,0,0))),i}))(),this.fragmentNode=Zp((()=>{const s=Vm(am(),"vUv"),i=cg("float","alpha");i.assign(1);const r=s.x,n=s.y,o=r.mul(r).add(n.mul(n));if(t){const t=cg("float","dlen");t.assign(o.fwidth()),i.assign(zy(t.oneMinus(),t.add(1),o).oneMinus())}else o.greaterThan(1).discard();let a;if(this.pointColorNode)a=this.pointColorNode;else if(e){a=km("instanceColor").mul(Qx)}else a=Qx;return gm(a,i)}))(),this.needsUpdate=!0}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.setupShaders())}}YT("InstancedPointsNodeMaterial",lR);const uR=new wa;class cR extends XT{constructor(t){super(),this.isLineBasicNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(uR),this.setValues(t)}}YT("LineBasicNodeMaterial",cR);const dR=new Pl;class pR extends XT{constructor(t){super(),this.isLineDashedNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(dR),this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setupVariants(){const t=this.offsetNode,e=this.dashScaleNode?im(this.dashScaleNode):Mb,s=this.dashSizeNode?im(this.dashSizeNode):Ab,i=this.dashSizeNode?im(this.dashGapNode):Nb;Bg.assign(s),Ig.assign(i);const r=Vm(km("lineDistance").mul(e));(t?r.add(t):r).mod(Bg.add(Ig)).greaterThan(Bg).discard()}}YT("LineDashedNodeMaterial",pR);const mR=new Pl;class gR extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.setDefaultValues(mR),this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.useDash=t.dashed,this.useWorldUnits=!1,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setup(t){this.setupShaders(),super.setup(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor,s=this.dashed,i=this.worldUnits,r=Zp((({start:t,end:e})=>{const s=bx.element(2).element(2),i=bx.element(3).element(2).mul(-.5).div(s).sub(t.z).div(e.z.sub(t.z));return gm(Py(t.xyz,e.xyz,i),e.w)}));this.vertexNode=Zp((()=>{dg("vec2","vUv").assign(of());const t=km("instanceStart"),e=km("instanceEnd"),n=cg("vec4","start"),o=cg("vec4","end");n.assign(Ux.mul(gm(t,1))),o.assign(Ux.mul(gm(e,1))),i&&(dg("vec3","worldStart").assign(n.xyz),dg("vec3","worldEnd").assign(o.xyz));const a=_T.z.div(_T.w),h=bx.element(2).element(3).equal(-1);tm(h,(()=>{tm(n.z.lessThan(0).and(o.z.greaterThan(0)),(()=>{o.assign(r({start:n,end:o}))})).elseif(o.z.lessThan(0).and(n.z.greaterThanEqual(0)),(()=>{n.assign(r({start:o,end:n}))}))}));const l=bx.mul(n),u=bx.mul(o),c=l.xyz.div(l.w),d=u.xyz.div(u.w),p=d.xy.sub(c.xy).temp();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const m=eg(gm());if(i){const t=o.xyz.sub(n.xyz).normalize(),e=Py(n.xyz,o.xyz,.5).normalize(),i=t.cross(e).normalize(),r=t.cross(i),a=dg("vec4","worldPos");a.assign(Pb.y.lessThan(.5).cond(n,o));const h=Rb.mul(.5);a.addAssign(gm(Pb.x.lessThan(0).cond(i.mul(h),i.mul(h).negate()),0)),s||(a.addAssign(gm(Pb.y.lessThan(.5).cond(t.mul(h).negate(),t.mul(h)),0)),a.addAssign(gm(r.mul(h),0)),tm(Pb.y.greaterThan(1).or(Pb.y.lessThan(0)),(()=>{a.subAssign(gm(r.mul(2).mul(h),0))}))),m.assign(bx.mul(a));const l=eg(cm());l.assign(Pb.y.lessThan(.5).cond(c,d)),m.z.assign(l.z.mul(m.w))}else{const t=cg("vec2","offset");t.assign(am(p.y,p.x.negate())),p.x.assign(p.x.div(a)),t.x.assign(t.x.div(a)),t.assign(Pb.x.lessThan(0).cond(t.negate(),t)),tm(Pb.y.lessThan(0),(()=>{t.assign(t.sub(p))})).elseif(Pb.y.greaterThan(1),(()=>{t.assign(t.add(p))})),t.assign(t.mul(Rb)),t.assign(t.div(_T.w)),m.assign(Pb.y.lessThan(.5).cond(l,u)),t.assign(t.mul(m.w)),m.assign(m.add(gm(t,0,0)))}return m}))();const n=Zp((({p1:t,p2:e,p3:s,p4:i})=>{const r=t.sub(s),n=i.sub(s),o=e.sub(t),a=r.dot(n),h=n.dot(o),l=r.dot(o),u=n.dot(n),c=o.dot(o).mul(u).sub(h.mul(h)),d=a.mul(h).sub(l.mul(u)).div(c).clamp(),p=a.add(h.mul(d)).div(u).clamp();return am(d,p)}));this.fragmentNode=Zp((()=>{const r=dg("vec2","vUv");if(s){const t=this.offsetNode?im(this.offsetNodeNode):Cb,e=this.dashScaleNode?im(this.dashScaleNode):Mb,s=this.dashSizeNode?im(this.dashSizeNode):Ab,i=this.dashSizeNode?im(this.dashGapNode):Nb;Bg.assign(s),Ig.assign(i);const n=km("instanceDistanceStart"),o=km("instanceDistanceEnd"),a=Pb.y.lessThan(.5).cond(e.mul(n),Mb.mul(o)),h=Vm(a.add(Cb)),l=t?h.add(t):h;r.y.lessThan(-1).or(r.y.greaterThan(1)).discard(),l.mod(Bg.add(Ig)).greaterThan(Bg).discard()}const o=cg("float","alpha");if(o.assign(1),i){const e=dg("vec3","worldStart"),i=dg("vec3","worldEnd"),r=dg("vec4","worldPos").xyz.normalize().mul(1e5),a=i.sub(e),h=n({p1:e,p2:i,p3:cm(0,0,0),p4:r}),l=e.add(a.mul(h.x)),u=r.mul(h.y),c=l.sub(u).length().div(Rb);if(!s)if(t){const t=c.fwidth();o.assign(zy(t.negate().add(.5),t.add(.5),c).oneMinus())}else c.greaterThan(.5).discard()}else if(t){const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1)),s=t.mul(t).add(e.mul(e)),i=cg("float","dlen");i.assign(s.fwidth()),tm(r.y.abs().greaterThan(1),(()=>{o.assign(zy(i.oneMinus(),i.add(1),s).oneMinus())}))}else tm(r.y.abs().greaterThan(1),(()=>{const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1));t.mul(t).add(e.mul(e)).greaterThan(1).discard()}));let a;if(this.lineColorNode)a=this.lineColorNode;else if(e){const t=km("instanceColorStart"),e=km("instanceColorEnd");a=Pb.y.lessThan(.5).cond(t,e).mul(Qx)}else a=Qx;return gm(a,o)}))()}get worldUnits(){return this.useWorldUnits}set worldUnits(t){this.useWorldUnits!==t&&(this.useWorldUnits=t,this.needsUpdate=!0)}get dashed(){return this.useDash}set dashed(t){this.useDash!==t&&(this.useDash=t,this.needsUpdate=!0)}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.needsUpdate=!0)}}YT("Line2NodeMaterial",gR);const fR=new Rl;class yR extends XT{constructor(t){super(),this.lights=!1,this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(fR),this.setValues(t)}setupDiffuseColor(){const t=this.opacityNode?im(this.opacityNode):eb;pg.assign(gm(Mw(qx),t))}}YT("MeshNormalNodeMaterial",yR);const xR=new Zr;class bR extends XT{constructor(t){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!1,this.setDefaultValues(xR),this.setValues(t)}}YT("MeshBasicNodeMaterial",bR);const vR=Zp((({f0:t,f90:e,dotVH:s})=>{const i=s.mul(-5.55473).sub(6.98316).mul(s).exp2();return t.mul(i.oneMinus()).add(e.mul(i))})),TR=Zp((t=>t.diffuseColor.mul(1/Math.PI))),_R=Zp((({dotNH:t})=>Cg.mul(im(.5)).add(1).mul(im(1/Math.PI)).mul(t.pow(Cg)))),wR=Zp((({lightDirection:t})=>{const e=t.add(Lb).normalize(),s=qx.dot(e).clamp(),i=Lb.dot(e).clamp(),r=vR({f0:Ng,f90:1,dotVH:i}),n=im(.25),o=_R({dotNH:s});return r.mul(n).mul(o)}));class SR extends Km{constructor(t=!0){super(),this.specular=t}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=qx.dot(t).clamp().mul(e);s.directDiffuse.addAssign(i.mul(TR({diffuseColor:pg.rgb}))),!0===this.specular&&s.directSpecular.addAssign(i.mul(wR({lightDirection:t})).mul(nb))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(TR({diffuseColor:pg})))}}const MR=new Cl;class AR extends XT{constructor(t){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(MR),this.setValues(t)}setupLightingModel(){return new SR(!1)}}YT("MeshLambertNodeMaterial",AR);const NR=new Al;class RR extends XT{constructor(t){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(NR),this.setValues(t)}setupLightingModel(){return new SR}setupVariants(){const t=(this.shininessNode?im(this.shininessNode):Kx).max(1e-4);Cg.assign(t);const e=this.specularNode||sb;Ng.assign(e)}copy(t){return this.shininessNode=t.shininessNode,this.specularNode=t.specularNode,super.copy(t)}}YT("MeshPhongNodeMaterial",RR);const CR=Zp((()=>{const t=Gx.dFdx().abs().max(Gx.dFdy().abs());return t.x.max(t.y).max(t.z)})),ER=Zp((t=>{const{roughness:e}=t,s=CR();let i=e.max(.0525);return i=i.add(s),i=i.min(1),i})),BR=Zp((({alpha:t,dotNL:e,dotNV:s})=>{const i=t.pow2(),r=e.mul(i.add(i.oneMinus().mul(s.pow2())).sqrt()),n=s.mul(i.add(i.oneMinus().mul(e.pow2())).sqrt());return pf(.5,r.add(n).max(If))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),IR=Zp((({alphaT:t,alphaB:e,dotTV:s,dotBV:i,dotTL:r,dotBL:n,dotNV:o,dotNL:a})=>{const h=a.mul(cm(t.mul(s),e.mul(i),o).length()),l=o.mul(cm(t.mul(r),e.mul(n),a).length());return pf(.5,h.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),PR=Zp((({alpha:t,dotNH:e})=>{const s=t.pow2(),i=e.pow2().mul(s.oneMinus()).oneMinus();return s.div(i.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),FR=im(1/Math.PI),UR=Zp((({alphaT:t,alphaB:e,dotNH:s,dotTH:i,dotBH:r})=>{const n=t.mul(e),o=cm(e.mul(i),t.mul(r),n.mul(s)),a=o.dot(o),h=n.div(a);return FR.mul(n.mul(h.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),OR=Zp((t=>{const{lightDirection:e,f0:s,f90:i,roughness:r,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=t,h=t.normalView||qx,l=r.pow2(),u=e.add(Lb).normalize(),c=h.dot(e).clamp(),d=h.dot(Lb).clamp(),p=h.dot(u).clamp(),m=Lb.dot(u).clamp();let g,f,y=vR({f0:s,f90:i,dotVH:m});if(Wp(o)&&(y=vg.mix(y,n)),Wp(a)){const t=Mg.dot(e),s=Mg.dot(Lb),i=Mg.dot(u),r=Ag.dot(e),n=Ag.dot(Lb),o=Ag.dot(u);g=IR({alphaT:wg,alphaB:l,dotTV:s,dotBV:n,dotTL:t,dotBL:r,dotNV:d,dotNL:c}),f=UR({alphaT:wg,alphaB:l,dotNH:p,dotTH:i,dotBH:o})}else g=BR({alpha:l,dotNL:c,dotNV:d}),f=PR({alpha:l,dotNH:p});return y.mul(g).mul(f)})),zR=Zp((({roughness:t,dotNV:e})=>{const s=gm(-1,-.0275,-.572,.022),i=gm(1,.0425,1.04,-.04),r=t.mul(s).add(i),n=r.x.mul(r.x).min(e.mul(-9.28).exp2()).mul(r.x).add(r.y);return am(-1.04,1.04).mul(n).add(r.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),LR=Zp((t=>{const{dotNV:e,specularColor:s,specularF90:i,roughness:r}=t,n=zR({dotNV:e,roughness:r});return s.mul(n.x).add(i.mul(n.y))})),VR=Zp((({f:t,f90:e,dotVH:s})=>{const i=s.oneMinus().saturate(),r=i.mul(i),n=i.mul(r,r).clamp(0,.9999);return t.sub(cm(e).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),DR=Zp((({roughness:t,dotNH:e})=>{const s=t.pow2(),i=im(1).div(s),r=e.pow2().oneMinus().max(.0078125);return im(2).add(i).mul(r.pow(i.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),kR=Zp((({dotNV:t,dotNL:e})=>im(1).div(im(4).mul(e.add(t).sub(e.mul(t)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),GR=Zp((({lightDirection:t})=>{const e=t.add(Lb).normalize(),s=qx.dot(t).clamp(),i=qx.dot(Lb).clamp(),r=qx.dot(e).clamp(),n=DR({roughness:bg,dotNH:r}),o=kR({dotNV:i,dotNL:s});return xg.mul(n).mul(o)})),WR=Zp((({N:t,V:e,roughness:s})=>{const i=t.dot(e).saturate(),r=am(s,i.oneMinus().sqrt());return r.assign(r.mul(.984375).add(.0078125)),r})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),jR=Zp((({f:t})=>{const e=t.length();return xy(e.mul(e).add(t.z).div(e.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),HR=Zp((({v1:t,v2:e})=>{const s=t.dot(e),i=s.abs().toVar(),r=i.mul(.0145206).add(.4965155).mul(i).add(.8543985).toVar(),n=i.add(4.1616724).mul(i).add(3.417594).toVar(),o=r.div(n),a=s.greaterThan(0).cond(o,xy(s.mul(s).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return t.cross(e).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),qR=Zp((({N:t,V:e,P:s,mInv:i,p0:r,p1:n,p2:o,p3:a})=>{const h=n.sub(r).toVar(),l=a.sub(r).toVar(),u=h.cross(l),c=cm().toVar();return tm(u.dot(s.sub(r)).greaterThanEqual(0),(()=>{const h=e.sub(t.mul(e.dot(t))).normalize(),l=t.cross(h).negate(),u=i.mul(wm(h,l,t).transpose()).toVar(),d=u.mul(r.sub(s)).normalize().toVar(),p=u.mul(n.sub(s)).normalize().toVar(),m=u.mul(o.sub(s)).normalize().toVar(),g=u.mul(a.sub(s)).normalize().toVar(),f=cm(0).toVar();f.addAssign(HR({v1:d,v2:p})),f.addAssign(HR({v1:p,v2:m})),f.addAssign(HR({v1:m,v2:g})),f.addAssign(HR({v1:g,v2:d})),c.assign(cm(jR({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),$R=Zp((([t,e,s,i,r])=>{const n=cm(Oy(e.negate(),Yf(t),pf(1,i))),o=cm(ny(r[0].xyz),ny(r[1].xyz),ny(r[2].xyz));return Yf(n).mul(s.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),XR=Zp((([t,e])=>t.mul(Fy(e.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),YR=ET(),JR=Zp((([t,e,s])=>{const i=YR.uv(t),r=jf(im(TT.x)).mul(XR(e,s));return i.bicubic(r)})),ZR=Zp((([t,e,s])=>(tm(s.notEqual(0),(()=>{const i=Wf(e).negate().div(s);return kf(i.negate().mul(t))})),cm(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),QR=Zp((([t,e,s,i,r,n,o,a,h,l,u,c,d,p,m])=>{let g,f;if(m){g=gm().toVar(),f=cm().toVar();const r=u.sub(1).mul(m.mul(.025)),n=cm(u.sub(r),u,u.add(r));ov({start:0,end:3},(({i:r})=>{const u=n.element(r),m=$R(t,e,c,u,a),y=o.add(m),x=l.mul(h.mul(gm(y,1))),b=am(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(am(b.x,b.y.oneMinus()));const v=JR(b,s,u);g.element(r).assign(v.element(r)),g.a.addAssign(v.a),f.element(r).assign(i.element(r).mul(ZR(ny(m),d,p).element(r)))})),g.a.divAssign(3)}else{const r=$R(t,e,c,u,a),n=o.add(r),m=l.mul(h.mul(gm(n,1))),y=am(m.xy.div(m.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(am(y.x,y.y.oneMinus())),g=JR(y,s,u),f=i.mul(ZR(ny(r),d,p))}const y=f.rgb.mul(g.rgb),x=t.dot(e).clamp(),b=cm(LR({dotNV:x,specularColor:r,specularF90:n,roughness:s})),v=f.r.add(f.g,f.b).div(3);return gm(b.oneMinus().mul(y),g.a.oneMinus().mul(v).oneMinus())})),KR=wm(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),tC=(t,e)=>t.sub(e).div(t.add(e)).pow2(),eC=(t,e)=>{const s=t.mul(2*Math.PI*1e-9),i=cm(54856e-17,44201e-17,52481e-17),r=cm(1681e3,1795300,2208400),n=cm(43278e5,93046e5,66121e5),o=im(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(s.mul(2239900).add(e.x).cos()).mul(s.pow2().mul(-45282e5).exp());let a=i.mul(n.mul(2*Math.PI).sqrt()).mul(r.mul(s).add(e).cos()).mul(s.pow2().negate().mul(n).exp());a=cm(a.x.add(o),a.y,a.z).div(1.0685e-7);return KR.mul(a)},sC=Zp((({outsideIOR:t,eta2:e,cosTheta1:s,thinFilmThickness:i,baseF0:r})=>{const n=Py(t,e,zy(0,.03,i)),o=t.div(n).pow2().mul(im(1).sub(s.pow2())),a=im(1).sub(o).sqrt(),h=tC(n,t),l=vR({f0:h,f90:1,dotVH:s}),u=l.oneMinus(),c=n.lessThan(t).cond(Math.PI,0),d=im(Math.PI).sub(c),p=(t=>{const e=t.sqrt();return cm(1).add(e).div(cm(1).sub(e))})(r.clamp(0,.9999)),m=tC(p,n.toVec3()),g=vR({f0:m,f90:1,dotVH:a}),f=cm(p.x.lessThan(n).cond(Math.PI,0),p.y.lessThan(n).cond(Math.PI,0),p.z.lessThan(n).cond(Math.PI,0)),y=n.mul(i,a,2),x=cm(d).add(f),b=l.mul(g).clamp(1e-5,.9999),v=b.sqrt(),T=u.pow2().mul(g).div(cm(1).sub(b));let _=l.add(T),w=T.sub(u);for(let t=1;t<=2;++t){w=w.mul(v);const e=eC(im(t).mul(y),im(t).mul(x)).mul(2);_=_.add(w.mul(e))}return _.max(cm(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),iC=Zp((({normal:t,viewDir:e,roughness:s})=>{const i=t.dot(e).saturate(),r=s.pow2(),n=kv(s.lessThan(.25),im(-339.2).mul(r).add(im(161.4).mul(s)).sub(25.9),im(-8.48).mul(r).add(im(14.3).mul(s)).sub(9.95)),o=kv(s.lessThan(.25),im(44).mul(r).sub(im(23.7).mul(s)).add(3.26),im(1.97).mul(r).sub(im(3.27).mul(s)).add(.72));return kv(s.lessThan(.25),0,im(.1).mul(s).sub(.025)).add(n.mul(i).add(o).exp()).mul(1/Math.PI).saturate()})),rC=cm(.04),nC=im(1);class oC extends Km{constructor(t=!1,e=!1,s=!1,i=!1,r=!1,n=!1){super(),this.clearcoat=t,this.sheen=e,this.iridescence=s,this.anisotropy=i,this.transmission=r,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(t){if(!0===this.clearcoat&&(this.clearcoatRadiance=cm().temp("clearcoatRadiance"),this.clearcoatSpecularDirect=cm().temp("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=cm().temp("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=cm().temp("sheenSpecularDirect"),this.sheenSpecularIndirect=cm().temp("sheenSpecularIndirect")),!0===this.iridescence){const t=qx.dot(Lb).clamp();this.iridescenceFresnel=sC({outsideIOR:im(1),eta2:Tg,cosTheta1:t,thinFilmThickness:_g,baseF0:Ng}),this.iridescenceF0=VR({f:this.iridescenceFresnel,f90:1,dotVH:t})}if(!0===this.transmission){const e=Ub,s=Sx.sub(Ub).normalize(),i=$x;t.backdrop=QR(i,s,mg,pg,Ng,Rg,e,zx,Tx,bx,Fg,Og,Lg,zg,this.dispersion?Vg:null),t.backdropAlpha=Ug,pg.a.mulAssign(Py(1,t.backdrop.a,Ug))}}computeMultiscattering(t,e,s){const i=qx.dot(Lb).clamp(),r=zR({roughness:mg,dotNV:i}),n=(this.iridescenceF0?vg.mix(Ng,this.iridescenceF0):Ng).mul(r.x).add(s.mul(r.y)),o=r.x.add(r.y).oneMinus(),a=Ng.add(Ng.oneMinus().mul(.047619)),h=n.mul(a).div(o.mul(a).oneMinus());t.addAssign(n),e.addAssign(h.mul(o))}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=qx.dot(t).clamp().mul(e);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(i.mul(GR({lightDirection:t}))),!0===this.clearcoat){const s=Xx.dot(t).clamp().mul(e);this.clearcoatSpecularDirect.addAssign(s.mul(OR({lightDirection:t,f0:rC,f90:nC,roughness:yg,normalView:Xx})))}s.directDiffuse.addAssign(i.mul(TR({diffuseColor:pg.rgb}))),s.directSpecular.addAssign(i.mul(OR({lightDirection:t,f0:Ng,f90:1,roughness:mg,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:t,lightPosition:e,halfWidth:s,halfHeight:i,reflectedLight:r,ltc_1:n,ltc_2:o}){const a=e.add(s).sub(i),h=e.sub(s).sub(i),l=e.sub(s).add(i),u=e.add(s).add(i),c=qx,d=Lb,p=zb.toVar(),m=WR({N:c,V:d,roughness:mg}),g=n.uv(m).toVar(),f=o.uv(m).toVar(),y=wm(cm(g.x,0,g.y),cm(0,1,0),cm(g.z,0,g.w)).toVar(),x=Ng.mul(f.x).add(Ng.oneMinus().mul(f.y)).toVar();r.directSpecular.addAssign(t.mul(x).mul(qR({N:c,V:d,P:p,mInv:y,p0:a,p1:h,p2:l,p3:u}))),r.directDiffuse.addAssign(t.mul(pg).mul(qR({N:c,V:d,P:p,mInv:wm(1,0,0,0,1,0,0,0,1),p0:a,p1:h,p2:l,p3:u})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(TR({diffuseColor:pg})))}indirectSpecular({radiance:t,iblIrradiance:e,reflectedLight:s}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(e.mul(xg,iC({normal:qx,viewDir:Lb,roughness:bg}))),!0===this.clearcoat){const t=Xx.dot(Lb).clamp(),e=LR({dotNV:t,specularColor:rC,specularF90:nC,roughness:yg});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(e))}const i=cm().temp("singleScattering"),r=cm().temp("multiScattering"),n=e.mul(1/Math.PI);this.computeMultiscattering(i,r,Rg);const o=i.add(r),a=pg.mul(o.r.max(o.g).max(o.b).oneMinus());s.indirectSpecular.addAssign(t.mul(i)),s.indirectSpecular.addAssign(r.mul(n)),s.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:t,reflectedLight:e}){const s=qx.dot(Lb).clamp().add(t),i=mg.mul(-16).oneMinus().negate().exp2(),r=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),e.indirectDiffuse.mulAssign(t),e.indirectSpecular.mulAssign(r)}finish(t){const{outgoingLight:e}=t;if(!0===this.clearcoat){const t=Xx.dot(Lb).clamp(),s=vR({dotVH:t,f0:rC,f90:nC}),i=e.mul(fg.mul(s).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(fg));e.assign(i)}if(!0===this.sheen){const t=xg.r.max(xg.g).max(xg.b).mul(.157).oneMinus(),s=e.mul(t).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);e.assign(s)}}}const aC=new Sl;class hC extends XT{constructor(t){super(),this.isMeshStandardNodeMaterial=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(aC),this.setValues(t)}setupLightingModel(){return new oC}setupSpecular(){const t=Py(cm(.04),pg.rgb,gg);Ng.assign(t),Rg.assign(1)}setupVariants(){const t=this.metalnessNode?im(this.metalnessNode):hb;gg.assign(t);let e=this.roughnessNode?im(this.roughnessNode):ab;e=ER({roughness:e}),mg.assign(e),this.setupSpecular(),pg.assign(gm(pg.rgb.mul(t.oneMinus()),pg.a))}copy(t){return this.emissiveNode=t.emissiveNode,this.metalnessNode=t.metalnessNode,this.roughnessNode=t.roughnessNode,super.copy(t)}}YT("MeshStandardNodeMaterial",hC);const lC=new Ml;class uC extends hC{constructor(t){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(lC),this.setValues(t)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const t=this.iorNode?im(this.iorNode):_b;Fg.assign(t),Ng.assign(Py(yy(Ny(Fg.sub(1).div(Fg.add(1))).mul(rb),cm(1)).mul(ib),pg.rgb,gg)),Rg.assign(Py(ib,1,gg))}setupLightingModel(){return new oC(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(t){if(super.setupVariants(t),this.useClearcoat){const t=this.clearcoatNode?im(this.clearcoatNode):ub,e=this.clearcoatRoughnessNode?im(this.clearcoatRoughnessNode):cb;fg.assign(t),yg.assign(ER({roughness:e}))}if(this.useSheen){const t=this.sheenNode?cm(this.sheenNode):mb,e=this.sheenRoughnessNode?im(this.sheenRoughnessNode):gb;xg.assign(t),bg.assign(e)}if(this.useIridescence){const t=this.iridescenceNode?im(this.iridescenceNode):yb,e=this.iridescenceIORNode?im(this.iridescenceIORNode):xb,s=this.iridescenceThicknessNode?im(this.iridescenceThicknessNode):bb;vg.assign(t),Tg.assign(e),_g.assign(s)}if(this.useAnisotropy){const t=(this.anisotropyNode?am(this.anisotropyNode):fb).toVar();Sg.assign(t.length()),tm(Sg.equal(0),(()=>{t.assign(am(1,0))})).else((()=>{t.divAssign(am(Sg)),Sg.assign(Sg.saturate())})),wg.assign(Sg.pow2().mix(mg.pow2(),1)),Mg.assign(Ov[0].mul(t.x).add(Ov[1].mul(t.y))),Ag.assign(Ov[1].mul(t.x).sub(Ov[0].mul(t.y)))}if(this.useTransmission){const t=this.transmissionNode?im(this.transmissionNode):vb,e=this.thicknessNode?im(this.thicknessNode):Tb,s=this.attenuationDistanceNode?im(this.attenuationDistanceNode):wb,i=this.attenuationColorNode?cm(this.attenuationColorNode):Sb;if(Ug.assign(t),Og.assign(e),zg.assign(s),Lg.assign(i),this.useDispersion){const t=this.dispersionNode?im(this.dispersionNode):Bb;Vg.assign(t)}}}setupNormal(t){super.setupNormal(t);const e=this.clearcoatNormalNode?cm(this.clearcoatNormalNode):db;Xx.assign(e)}copy(t){return this.clearcoatNode=t.clearcoatNode,this.clearcoatRoughnessNode=t.clearcoatRoughnessNode,this.clearcoatNormalNode=t.clearcoatNormalNode,this.sheenNode=t.sheenNode,this.sheenRoughnessNode=t.sheenRoughnessNode,this.iridescenceNode=t.iridescenceNode,this.iridescenceIORNode=t.iridescenceIORNode,this.iridescenceThicknessNode=t.iridescenceThicknessNode,this.specularIntensityNode=t.specularIntensityNode,this.specularColorNode=t.specularColorNode,this.transmissionNode=t.transmissionNode,this.thicknessNode=t.thicknessNode,this.attenuationDistanceNode=t.attenuationDistanceNode,this.attenuationColorNode=t.attenuationColorNode,this.dispersionNode=t.dispersionNode,this.anisotropyNode=t.anisotropyNode,super.copy(t)}}YT("MeshPhysicalNodeMaterial",uC);class cC extends oC{constructor(t,e,s,i){super(t,e,s),this.useSSS=i}direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){if(!0===this.useSSS){const i=r.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:h,thicknessPowerNode:l,thicknessScaleNode:u}=i,c=t.add(qx.mul(o)).normalize(),d=im(Lb.dot(c.negate()).saturate().pow(l).mul(u)),p=cm(d.add(a).mul(n));s.directDiffuse.addAssign(p.mul(h.mul(e)))}super.direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r)}}class dC extends uC{constructor(t){super(t),this.thicknessColorNode=null,this.thicknessDistortionNode=im(.1),this.thicknessAmbientNode=im(0),this.thicknessAttenuationNode=im(.1),this.thicknessPowerNode=im(2),this.thicknessScaleNode=im(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new cC(this.useClearcoat,this.useSheen,this.useIridescence,this.useSSS)}copy(t){return this.thicknessColorNode=t.thicknessColorNode,this.thicknessDistortionNode=t.thicknessDistortionNode,this.thicknessAmbientNode=t.thicknessAmbientNode,this.thicknessAttenuationNode=t.thicknessAttenuationNode,this.thicknessPowerNode=t.thicknessPowerNode,this.thicknessScaleNode=t.thicknessScaleNode,super.copy(t)}}YT("MeshSSSNodeMaterial",dC);const pC=Zp((({normal:t,lightDirection:e,builder:s})=>{const i=t.dot(e),r=am(i.mul(.5).add(.5),0);if(s.material.gradientMap){const t=mx("gradientMap","texture").context({getUV:()=>r});return cm(t.r)}{const t=r.fwidth().mul(.5);return Py(cm(.7),cm(1),zy(im(.7).sub(t.x),im(.7).add(t.x),r.x))}}));class mC extends Km{direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){const n=pC({normal:Gx,lightDirection:t,builder:r}).mul(e);s.directDiffuse.addAssign(n.mul(TR({diffuseColor:pg.rgb})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(TR({diffuseColor:pg})))}}const gC=new Nl;class fC extends XT{constructor(t){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(gC),this.setValues(t)}setupLightingModel(){return new mC}}YT("MeshToonNodeMaterial",fC);const yC=new Il;class xC extends XT{constructor(t){super(),this.lights=!1,this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(yC),this.setValues(t)}setupVariants(t){const e=pw;let s;s=t.material.matcap?mx("matcap","texture").context({getUV:()=>e}):cm(Py(.2,.8,e.y)),pg.rgb.mulAssign(s.rgb)}}YT("MeshMatcapNodeMaterial",xC);const bC=new za;class vC extends XT{constructor(t){super(),this.isPointsNodeMaterial=!0,this.lights=!1,this.normals=!1,this.transparent=!0,this.sizeNode=null,this.setDefaultValues(bC),this.setValues(t)}copy(t){return this.sizeNode=t.sizeNode,super.copy(t)}}YT("PointsNodeMaterial",vC);const TC=new ao;class _C extends XT{constructor(t){super(),this.isSpriteNodeMaterial=!0,this.lights=!1,this.normals=!1,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(TC),this.setValues(t)}setupPosition({object:t,context:e}){const{positionNode:s,rotationNode:i,scaleNode:r}=this,n=Fb;let o=Ux.mul(cm(s||0)),a=am(zx[0].xyz.length(),zx[1].xyz.length());null!==r&&(a=a.mul(r));let h=n.xy;t.center&&!0===t.center.isVector2&&(h=h.sub(nf(t.center).sub(.5))),h=h.mul(a);const l=im(i||pb),u=h.rotate(l);o=gm(o.xy.add(u),o.zw);const c=bx.mul(o);return e.vertex=n,c}copy(t){return this.positionNode=t.positionNode,this.rotationNode=t.rotationNode,this.scaleNode=t.scaleNode,super.copy(t)}}YT("SpriteNodeMaterial",_C);class wC extends Km{constructor(){super(),this.shadowNode=im(1).toVar("shadowMask")}direct({shadowMask:t}){this.shadowNode.mulAssign(t)}finish(t){pg.a.mulAssign(this.shadowNode.oneMinus()),t.outgoingLight.rgb.assign(pg.rgb)}}const SC=new _l;class MC extends XT{constructor(t){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(SC),this.setValues(t)}setupLightingModel(){return new wC}}YT("ShadowNodeMaterial",MC);class AC extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.isVolumeNodeMaterial=!0,this.testNode=null,this.setValues(t)}setup(t){const e=QM(this.map,null,0),s=Zp((({orig:t,dir:e})=>{const s=cm(-.5),i=cm(.5),r=e.reciprocal(),n=s.sub(t).mul(r),o=i.sub(t).mul(r),a=yy(n,o),h=xy(n,o),l=xy(a.x,xy(a.y,a.z)),u=yy(h.x,yy(h.y,h.z));return am(l,u)}));this.fragmentNode=Zp((()=>{const t=Vm(cm(kx.mul(gm(Sx,1)))),i=Vm(Pb.sub(t)).normalize(),r=cg("vec2","bounds").assign(s({orig:t,dir:i}));r.x.greaterThan(r.y).discard(),r.assign(am(xy(r.x,0),r.y));const n=cg("vec3","p").assign(t.add(r.x.mul(i))),o=cg("vec3","inc").assign(cm(i.abs().reciprocal())),a=cg("float","delta").assign(yy(o.x,yy(o.y,o.z)));a.divAssign(mx("steps","float"));const h=cg("vec4","ac").assign(gm(mx("base","color"),0));return ov({type:"float",start:r.x,end:r.y,update:"+= delta"},(()=>{const t=cg("float","d").assign(e.uv(n.add(.5)).r);null!==this.testNode?this.testNode({map:e,mapValue:t,probe:n,finalColor:h}).append():(h.a.assign(1),hv()),n.addAssign(i.mul(a))})),h.a.equal(0).discard(),gm(h)}))(),super.setup(t)}}YT("VolumeNodeMaterial",AC);const NC=Pu.createMaterialFromType;Pu.createMaterialFromType=function(t){const e=JT(t);return void 0!==e?e:NC.call(this,t)};class RC extends Pu{constructor(t){super(t),this.nodes={}}parse(t){const e=super.parse(t),s=this.nodes,i=t.inputNodes;for(const t in i){const r=i[t];e[t]=s[r]}return e}setNodes(t){return this.nodes=t,this}}class CC extends zu{constructor(t){super(t),this._nodesJSON=null}parse(t,e){this._nodesJSON=t.nodes;const s=super.parse(t,e);return this._nodesJSON=null,s}parseNodes(t,e){if(void 0!==t){const s=new aR;return s.setTextures(e),s.parseNodes(t)}return{}}parseMaterials(t,e){const s={};if(void 0!==t){const i=this.parseNodes(this._nodesJSON,e),r=new RC;r.setTextures(e),r.setNodes(i);for(let e=0,i=t.length;e{const e=(t=t.trim()).indexOf(FC),s=-1!==e?t.slice(e+12):t,i=s.match(IC);if(null!==i&&5===i.length){const r=i[4],n=[];let o=null;for(;null!==(o=PC.exec(r));)n.push(o);const a=[];let h=0;for(;h{const i=im(s).toVar(),r=im(e).toVar(),n=om(t).toVar();return kv(n,r,i)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),LC=Zp((([t,e])=>{const s=om(e).toVar(),i=im(t).toVar();return kv(s,i.negate(),i)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),VC=Zp((([t])=>{const e=im(t).toVar();return rm($f(e))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),DC=Zp((([t,e])=>{const s=im(t).toVar();return e.assign(VC(s)),s.sub(im(e))})),kC=cw([Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=im(i).toVar(),l=im(s).toVar(),u=im(e).toVar(),c=im(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=cm(i).toVar(),l=cm(s).toVar(),u=cm(e).toVar(),c=cm(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),GC=cw([Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=im(a).toVar(),g=im(o).toVar(),f=im(n).toVar(),y=im(r).toVar(),x=im(i).toVar(),b=im(s).toVar(),v=im(e).toVar(),T=im(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=cm(a).toVar(),g=cm(o).toVar(),f=cm(n).toVar(),y=cm(r).toVar(),x=cm(i).toVar(),b=cm(s).toVar(),v=cm(e).toVar(),T=cm(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),WC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=nm(t).toVar(),o=nm(n.bitAnd(nm(7))).toVar(),a=im(zC(o.lessThan(nm(4)),r,i)).toVar(),h=im(df(2,zC(o.lessThan(nm(4)),i,r))).toVar();return LC(a,om(o.bitAnd(nm(1)))).add(LC(h,om(o.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),jC=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=nm(t).toVar(),h=nm(a.bitAnd(nm(15))).toVar(),l=im(zC(h.lessThan(nm(8)),o,n)).toVar(),u=im(zC(h.lessThan(nm(4)),n,zC(h.equal(nm(12)).or(h.equal(nm(14))),o,r))).toVar();return LC(l,om(h.bitAnd(nm(1)))).add(LC(u,om(h.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),HC=cw([WC,jC]),qC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=pm(t).toVar();return cm(HC(n.x,r,i),HC(n.y,r,i),HC(n.z,r,i))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),$C=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=pm(t).toVar();return cm(HC(a.x,o,n,r),HC(a.y,o,n,r),HC(a.z,o,n,r))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),XC=cw([qC,$C]),YC=Zp((([t])=>{const e=im(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),JC=Zp((([t])=>{const e=im(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),ZC=cw([YC,Zp((([t])=>{const e=cm(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),QC=cw([JC,Zp((([t])=>{const e=cm(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),KC=Zp((([t,e])=>{const s=rm(e).toVar(),i=nm(t).toVar();return i.shiftLeft(s).bitOr(i.shiftRight(rm(32).sub(s)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),tE=Zp((([t,e,s])=>{t.subAssign(s),t.bitXorAssign(KC(s,rm(4))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(KC(t,rm(6))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(KC(e,rm(8))),e.addAssign(t),t.subAssign(s),t.bitXorAssign(KC(s,rm(16))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(KC(t,rm(19))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(KC(e,rm(4))),e.addAssign(t)})),eE=Zp((([t,e,s])=>{const i=nm(s).toVar(),r=nm(e).toVar(),n=nm(t).toVar();return i.bitXorAssign(r),i.subAssign(KC(r,rm(14))),n.bitXorAssign(i),n.subAssign(KC(i,rm(11))),r.bitXorAssign(n),r.subAssign(KC(n,rm(25))),i.bitXorAssign(r),i.subAssign(KC(r,rm(16))),n.bitXorAssign(i),n.subAssign(KC(i,rm(4))),r.bitXorAssign(n),r.subAssign(KC(n,rm(14))),i.bitXorAssign(r),i.subAssign(KC(r,rm(24))),i})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),sE=Zp((([t])=>{const e=nm(t).toVar();return im(e).div(im(nm(rm(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),iE=Zp((([t])=>{const e=im(t).toVar();return e.mul(e).mul(e).mul(e.mul(e.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),rE=cw([Zp((([t])=>{const e=rm(t).toVar(),s=nm(nm(1)).toVar(),i=nm(nm(rm(3735928559)).add(s.shiftLeft(nm(2))).add(nm(13))).toVar();return eE(i.add(nm(e)),i,i)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(nm(2)).toVar(),n=nm().toVar(),o=nm().toVar(),a=nm().toVar();return n.assign(o.assign(a.assign(nm(rm(3735928559)).add(r.shiftLeft(nm(2))).add(nm(13))))),n.addAssign(nm(i)),o.addAssign(nm(s)),eE(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(nm(3)).toVar(),a=nm().toVar(),h=nm().toVar(),l=nm().toVar();return a.assign(h.assign(l.assign(nm(rm(3735928559)).add(o.shiftLeft(nm(2))).add(nm(13))))),a.addAssign(nm(n)),h.addAssign(nm(r)),l.addAssign(nm(i)),eE(a,h,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),Zp((([t,e,s,i])=>{const r=rm(i).toVar(),n=rm(s).toVar(),o=rm(e).toVar(),a=rm(t).toVar(),h=nm(nm(4)).toVar(),l=nm().toVar(),u=nm().toVar(),c=nm().toVar();return l.assign(u.assign(c.assign(nm(rm(3735928559)).add(h.shiftLeft(nm(2))).add(nm(13))))),l.addAssign(nm(a)),u.addAssign(nm(o)),c.addAssign(nm(n)),tE(l,u,c),l.addAssign(nm(r)),eE(l,u,c)})).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),Zp((([t,e,s,i,r])=>{const n=rm(r).toVar(),o=rm(i).toVar(),a=rm(s).toVar(),h=rm(e).toVar(),l=rm(t).toVar(),u=nm(nm(5)).toVar(),c=nm().toVar(),d=nm().toVar(),p=nm().toVar();return c.assign(d.assign(p.assign(nm(rm(3735928559)).add(u.shiftLeft(nm(2))).add(nm(13))))),c.addAssign(nm(l)),d.addAssign(nm(h)),p.addAssign(nm(a)),tE(c,d,p),c.addAssign(nm(o)),d.addAssign(nm(n)),eE(c,d,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),nE=cw([Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(rE(i,s)).toVar(),n=pm().toVar();return n.x.assign(r.bitAnd(rm(255))),n.y.assign(r.shiftRight(rm(8)).bitAnd(rm(255))),n.z.assign(r.shiftRight(rm(16)).bitAnd(rm(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(rE(n,r,i)).toVar(),a=pm().toVar();return a.x.assign(o.bitAnd(rm(255))),a.y.assign(o.shiftRight(rm(8)).bitAnd(rm(255))),a.z.assign(o.shiftRight(rm(16)).bitAnd(rm(255))),a})).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),oE=cw([Zp((([t])=>{const e=am(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=im(DC(e.x,s)).toVar(),n=im(DC(e.y,i)).toVar(),o=im(iE(r)).toVar(),a=im(iE(n)).toVar(),h=im(kC(HC(rE(s,i),r,n),HC(rE(s.add(rm(1)),i),r.sub(1),n),HC(rE(s,i.add(rm(1))),r,n.sub(1)),HC(rE(s.add(rm(1)),i.add(rm(1))),r.sub(1),n.sub(1)),o,a)).toVar();return ZC(h)})).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=rm().toVar(),n=im(DC(e.x,s)).toVar(),o=im(DC(e.y,i)).toVar(),a=im(DC(e.z,r)).toVar(),h=im(iE(n)).toVar(),l=im(iE(o)).toVar(),u=im(iE(a)).toVar(),c=im(GC(HC(rE(s,i,r),n,o,a),HC(rE(s.add(rm(1)),i,r),n.sub(1),o,a),HC(rE(s,i.add(rm(1)),r),n,o.sub(1),a),HC(rE(s.add(rm(1)),i.add(rm(1)),r),n.sub(1),o.sub(1),a),HC(rE(s,i,r.add(rm(1))),n,o,a.sub(1)),HC(rE(s.add(rm(1)),i,r.add(rm(1))),n.sub(1),o,a.sub(1)),HC(rE(s,i.add(rm(1)),r.add(rm(1))),n,o.sub(1),a.sub(1)),HC(rE(s.add(rm(1)),i.add(rm(1)),r.add(rm(1))),n.sub(1),o.sub(1),a.sub(1)),h,l,u)).toVar();return QC(c)})).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),aE=cw([Zp((([t])=>{const e=am(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=im(DC(e.x,s)).toVar(),n=im(DC(e.y,i)).toVar(),o=im(iE(r)).toVar(),a=im(iE(n)).toVar(),h=cm(kC(XC(nE(s,i),r,n),XC(nE(s.add(rm(1)),i),r.sub(1),n),XC(nE(s,i.add(rm(1))),r,n.sub(1)),XC(nE(s.add(rm(1)),i.add(rm(1))),r.sub(1),n.sub(1)),o,a)).toVar();return ZC(h)})).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm().toVar(),i=rm().toVar(),r=rm().toVar(),n=im(DC(e.x,s)).toVar(),o=im(DC(e.y,i)).toVar(),a=im(DC(e.z,r)).toVar(),h=im(iE(n)).toVar(),l=im(iE(o)).toVar(),u=im(iE(a)).toVar(),c=cm(GC(XC(nE(s,i,r),n,o,a),XC(nE(s.add(rm(1)),i,r),n.sub(1),o,a),XC(nE(s,i.add(rm(1)),r),n,o.sub(1),a),XC(nE(s.add(rm(1)),i.add(rm(1)),r),n.sub(1),o.sub(1),a),XC(nE(s,i,r.add(rm(1))),n,o,a.sub(1)),XC(nE(s.add(rm(1)),i,r.add(rm(1))),n.sub(1),o,a.sub(1)),XC(nE(s,i.add(rm(1)),r.add(rm(1))),n,o.sub(1),a.sub(1)),XC(nE(s.add(rm(1)),i.add(rm(1)),r.add(rm(1))),n.sub(1),o.sub(1),a.sub(1)),h,l,u)).toVar();return QC(c)})).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),hE=cw([Zp((([t])=>{const e=im(t).toVar(),s=rm(VC(e)).toVar();return sE(rE(s))})).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),Zp((([t])=>{const e=am(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar();return sE(rE(s,i))})).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar(),r=rm(VC(e.z)).toVar();return sE(rE(s,i,r))})).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),Zp((([t])=>{const e=gm(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar(),r=rm(VC(e.z)).toVar(),n=rm(VC(e.w)).toVar();return sE(rE(s,i,r,n))})).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),lE=cw([Zp((([t])=>{const e=im(t).toVar(),s=rm(VC(e)).toVar();return cm(sE(rE(s,rm(0))),sE(rE(s,rm(1))),sE(rE(s,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),Zp((([t])=>{const e=am(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar();return cm(sE(rE(s,i,rm(0))),sE(rE(s,i,rm(1))),sE(rE(s,i,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),Zp((([t])=>{const e=cm(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar(),r=rm(VC(e.z)).toVar();return cm(sE(rE(s,i,r,rm(0))),sE(rE(s,i,r,rm(1))),sE(rE(s,i,r,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Zp((([t])=>{const e=gm(t).toVar(),s=rm(VC(e.x)).toVar(),i=rm(VC(e.y)).toVar(),r=rm(VC(e.z)).toVar(),n=rm(VC(e.w)).toVar();return cm(sE(rE(s,i,r,n,rm(0))),sE(rE(s,i,r,n,rm(1))),sE(rE(s,i,r,n,rm(2))))})).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),uE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=im(0).toVar(),l=im(1).toVar();return ov(o,(()=>{h.addAssign(l.mul(oE(a))),l.mulAssign(r),a.mulAssign(n)})),h})).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),cE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=cm(0).toVar(),l=im(1).toVar();return ov(o,(()=>{h.addAssign(l.mul(aE(a))),l.mulAssign(r),a.mulAssign(n)})),h})).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),dE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar();return am(uE(a,o,n,r),uE(a.add(cm(rm(19),rm(193),rm(17))),o,n,r))})).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),pE=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=rm(e).toVar(),a=cm(t).toVar(),h=cm(cE(a,o,n,r)).toVar(),l=im(uE(a.add(cm(rm(19),rm(193),rm(17))),o,n,r)).toVar();return gm(h,l)})).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),mE=Zp((([t,e,s,i,r,n,o])=>{const a=rm(o).toVar(),h=im(n).toVar(),l=rm(r).toVar(),u=rm(i).toVar(),c=rm(s).toVar(),d=rm(e).toVar(),p=am(t).toVar(),m=cm(lE(am(d.add(u),c.add(l)))).toVar(),g=am(m.x,m.y).toVar();g.subAssign(.5),g.mulAssign(h),g.addAssign(.5);const f=am(am(im(d),im(c)).add(g)).toVar(),y=am(f.sub(p)).toVar();return tm(a.equal(rm(2)),(()=>iy(y.x).add(iy(y.y)))),tm(a.equal(rm(3)),(()=>xy(iy(y.x),iy(y.y)))),Sy(y,y)})).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),gE=cw([mE,Zp((([t,e,s,i,r,n,o,a,h])=>{const l=rm(h).toVar(),u=im(a).toVar(),c=rm(o).toVar(),d=rm(n).toVar(),p=rm(r).toVar(),m=rm(i).toVar(),g=rm(s).toVar(),f=rm(e).toVar(),y=cm(t).toVar(),x=cm(lE(cm(f.add(p),g.add(d),m.add(c)))).toVar();x.subAssign(.5),x.mulAssign(u),x.addAssign(.5);const b=cm(cm(im(f),im(g),im(m)).add(x)).toVar(),v=cm(b.sub(y)).toVar();return tm(l.equal(rm(2)),(()=>iy(v.x).add(iy(v.y)).add(iy(v.z)))),tm(l.equal(rm(3)),(()=>xy(xy(iy(v.x),iy(v.y)),iy(v.z)))),Sy(v,v)})).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),fE=Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=am(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=am(DC(n.x,o),DC(n.y,a)).toVar(),l=im(1e6).toVar();return ov({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{ov({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{const s=im(gE(h,t,e,o,a,r,i)).toVar();l.assign(yy(l,s))}))})),tm(i.equal(rm(0)),(()=>{l.assign(Hf(l))})),l})).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),yE=Zp((([t,e,s])=>{const 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s=im(gE(h,t,e,o,a,r,i)).toVar();tm(s.lessThan(l.x),(()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(s)})).elseif(s.lessThan(l.y),(()=>{l.z.assign(l.y),l.y.assign(s)})).elseif(s.lessThan(l.z),(()=>{l.z.assign(s)}))}))})),tm(i.equal(rm(0)),(()=>{l.assign(Hf(l))})),l})).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),bE=cw([fE,Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=cm(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=rm().toVar(),l=cm(DC(n.x,o),DC(n.y,a),DC(n.z,h)).toVar(),u=im(1e6).toVar();return ov({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{ov({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{ov({start:-1,end:rm(1),name:"z",condition:"<="},(({z:s})=>{const 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tm(t.equal(rm(0)),(()=>cm(r,a,n))).elseif(t.equal(rm(1)),(()=>cm(o,r,n))).elseif(t.equal(rm(2)),(()=>cm(n,r,a))).elseif(t.equal(rm(3)),(()=>cm(n,o,r))).elseif(t.equal(rm(4)),(()=>cm(a,n,r))),cm(r,n,o)}))})).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),wE=Zp((([t])=>{const e=cm(t).toVar(),s=im(e.x).toVar(),i=im(e.y).toVar(),r=im(e.z).toVar(),n=im(yy(s,yy(i,r))).toVar(),o=im(xy(s,xy(i,r))).toVar(),a=im(o.sub(n)).toVar(),h=im().toVar(),l=im().toVar(),u=im().toVar();return u.assign(o),tm(o.greaterThan(0),(()=>{l.assign(a.div(o))})).else((()=>{l.assign(0)})),tm(l.lessThanEqual(0),(()=>{h.assign(0)})).else((()=>{tm(s.greaterThanEqual(o),(()=>{h.assign(i.sub(r).div(a))})).elseif(i.greaterThanEqual(o),(()=>{h.assign(uf(2,r.sub(s).div(a)))})).else((()=>{h.assign(uf(4,s.sub(i).div(a)))})),h.mulAssign(1/6),tm(h.lessThan(0),(()=>{h.addAssign(1)}))})),cm(h,l,u)})).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),SE=Zp((([t])=>{const e=cm(t).toVar(),s=mm(xf(e,cm(.04045))).toVar(),i=cm(e.div(12.92)).toVar(),r=cm(Ay(xy(e.add(cm(.055)),cm(0)).div(1.055),cm(2.4))).toVar();return Py(i,r,s)})).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),ME=(t,e)=>{t=im(t),e=im(e);const s=am(e.dFdx(),e.dFdy()).length().mul(.7071067811865476);return zy(t.sub(s),t.add(s),e)},AE=(t,e,s,i)=>Py(t,e,s[i].clamp()),NE=(t,e,s=of())=>AE(t,e,s,"x"),RE=(t,e,s=of())=>AE(t,e,s,"y"),CE=(t,e,s,i,r)=>Py(t,e,ME(s,i[r])),EE=(t,e,s,i=of())=>CE(t,e,s,i,"x"),BE=(t,e,s,i=of())=>CE(t,e,s,i,"y"),IE=(t=1,e=0,s=of())=>s.mul(t).add(e),PE=(t,e=1)=>(t=im(t)).abs().pow(e).mul(t.sign()),FE=(t,e=1,s=.5)=>im(t).sub(s).mul(e).add(s),UE=(t=of(),e=1,s=0)=>oE(t.convert("vec2|vec3")).mul(e).add(s),OE=(t=of(),e=1,s=0)=>aE(t.convert("vec2|vec3")).mul(e).add(s),zE=(t=of(),e=1,s=0)=>{t=t.convert("vec2|vec3");return gm(aE(t),oE(t.add(am(19,73)))).mul(e).add(s)},LE=(t=of(),e=1)=>bE(t.convert("vec2|vec3"),e,rm(1)),VE=(t=of(),e=1)=>vE(t.convert("vec2|vec3"),e,rm(1)),DE=(t=of(),e=1)=>TE(t.convert("vec2|vec3"),e,rm(1)),kE=(t=of())=>hE(t.convert("vec2|vec3")),GE=(t=of(),e=3,s=2,i=.5,r=1)=>uE(t,rm(e),s,i).mul(r),WE=(t=of(),e=3,s=2,i=.5,r=1)=>dE(t,rm(e),s,i).mul(r),jE=(t=of(),e=3,s=2,i=.5,r=1)=>cE(t,rm(e),s,i).mul(r),HE=(t=of(),e=3,s=2,i=.5,r=1)=>pE(t,rm(e),s,i).mul(r);function qE(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function $E(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}class XE{constructor(){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparent=[],this.bundles=[],this.lightsNode=new _v([]),this.lightsArray=[],this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(t,e,s,i,r,n){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:t.id,object:t,geometry:e,material:s,groupOrder:i,renderOrder:t.renderOrder,z:r,group:n},this.renderItems[this.renderItemsIndex]=o):(o.id=t.id,o.object=t,o.geometry=e,o.material=s,o.groupOrder=i,o.renderOrder=t.renderOrder,o.z=r,o.group=n),this.renderItemsIndex++,o}push(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);!0===t.occlusionTest&&this.occlusionQueryCount++,(!0===s.transparent||s.transmission>0?this.transparent:this.opaque).push(o)}unshift(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);(!0===s.transparent?this.transparent:this.opaque).unshift(o)}pushBundle(t){this.bundles.push(t)}pushLight(t){this.lightsArray.push(t)}getLightsNode(){return this.lightsNode.fromLights(this.lightsArray)}sort(t,e){this.opaque.length>1&&this.opaque.sort(t||qE),this.transparent.length>1&&this.transparent.sort(e||$E)}finish(){this.lightsNode.fromLights(this.lightsArray);for(let t=this.renderItemsIndex,e=this.renderItems.length;t>e,l=a.height>>e;let u=t.depthTexture||r[e],c=!1;void 0===u&&(u=new Za,u.format=t.stencilBuffer?jt:Wt,u.type=t.stencilBuffer?Ot:Bt,u.image.width=h,u.image.height=l,r[e]=u),s.width===a.width&&a.height===s.height||(c=!0,u.needsUpdate=!0,u.image.width=h,u.image.height=l),s.width=a.width,s.height=a.height,s.textures=o,s.depthTexture=u,s.depth=t.depthBuffer,s.stencil=t.stencilBuffer,s.renderTarget=t,s.sampleCount!==i&&(c=!0,u.needsUpdate=!0,s.sampleCount=i);const d={sampleCount:i};for(let t=0;t{if(t.removeEventListener("dispose",e),void 0!==o)for(let t=0;t0){const i=t.image;if(void 0===i)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===i.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(t.images){const s=[];for(const e of t.images)s.push(e);e.images=s}else e.image=i;void 0!==s.isDefaultTexture&&!0!==s.isDefaultTexture||(r.createTexture(t,e),s.isDefaultTexture=!1),!0===t.source.dataReady&&r.updateTexture(t,e),e.needsMipmaps&&0===t.mipmaps.length&&r.generateMipmaps(t)}}else r.createDefaultTexture(t),s.isDefaultTexture=!0}if(!0!==s.initialized){s.initialized=!0,this.info.memory.textures++;const e=()=>{t.removeEventListener("dispose",e),this._destroyTexture(t),this.info.memory.textures--};t.addEventListener("dispose",e)}s.version=t.version}getSize(t,e=KE){let s=t.images?t.images[0]:t.image;return s?(void 0!==s.image&&(s=s.image),e.width=s.width,e.height=s.height,e.depth=t.isCubeTexture?6:s.depth||1):e.width=e.height=e.depth=1,e}getMipLevels(t,e,s){let i;return i=t.isCompressedTexture?t.mipmaps.length:Math.floor(Math.log2(Math.max(e,s)))+1,i}needsMipmaps(t){return!!this.isEnvironmentTexture(t)||(!0===t.isCompressedTexture||t.minFilter!==ft&&t.minFilter!==Tt)}isEnvironmentTexture(t){const e=t.mapping;return e===ut||e===ct||e===ht||e===lt}_destroyTexture(t){this.backend.destroySampler(t),this.backend.destroyTexture(t),this.delete(t)}}class eB extends $r{constructor(t,e,s,i=1){super(t,e,s),this.a=i}set(t,e,s,i=1){return this.a=i,super.set(t,e,s)}copy(t){return void 0!==t.a&&(this.a=t.a),super.copy(t)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}const sB=new eB;class iB extends Nd{constructor(t,e){super(),this.renderer=t,this.nodes=e}update(t,e,s){const i=this.renderer,r=this.nodes.getBackgroundNode(t)||t.background;let n=!1;if(null===r)i._clearColor.getRGB(sB,Ye),sB.a=i._clearColor.a;else if(!0===r.isColor)r.getRGB(sB,Ye),sB.a=1,n=!0;else if(!0===r.isNode){const s=this.get(t),n=r;sB.copy(i._clearColor);let o=s.backgroundMesh;if(void 0===o){const t=$m(gm(n).mul(wS),{getUV:()=>Hx,getTextureLevel:()=>_S});let e=Db();e=e.setZ(e.w);const i=new XT;i.side=d,i.depthTest=!1,i.depthWrite=!1,i.fog=!1,i.vertexNode=e,i.fragmentNode=t,s.backgroundMeshNode=t,s.backgroundMesh=o=new kn(new ml(1,32,32),i),o.frustumCulled=!1,o.onBeforeRender=function(t,e,s){this.matrixWorld.copyPosition(s.matrixWorld)}}const a=n.getCacheKey();s.backgroundCacheKey!==a&&(s.backgroundMeshNode.node=gm(n).mul(wS),o.material.needsUpdate=!0,s.backgroundCacheKey=a),e.unshift(o,o.geometry,o.material,0,0,null)}else console.error("THREE.Renderer: Unsupported background configuration.",r);if(!0===i.autoClear||!0===n){sB.multiplyScalar(sB.a);const t=s.clearColorValue;t.r=sB.r,t.g=sB.g,t.b=sB.b,t.a=sB.a,s.depthClearValue=i._clearDepth,s.stencilClearValue=i._clearStencil,s.clearColor=!0===i.autoClearColor,s.clearDepth=!0===i.autoClearDepth,s.clearStencil=!0===i.autoClearStencil}else s.clearColor=!1,s.clearDepth=!1,s.clearStencil=!1}}class rB{constructor(t,e,s,i,r,n,o,a,h=!0,l=[]){this.vertexShader=t,this.fragmentShader=e,this.computeShader=s,this.transforms=l,this.nodeAttributes=i,this.bindings=r,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.instanceBindGroups=h,this.usedTimes=0}createBindings(){const t=[];for(const e of this.bindings){if(!0!==(this.instanceBindGroups&&e.bindings[0].groupNode.shared)){const s=new L_(e.name);t.push(s);for(const t of e.bindings)s.bindings.push(t.clone())}else t.push(e)}return t}}class nB extends Nd{constructor(t,e){super(),this.renderer=t,this.backend=e,this.nodeFrame=new j_,this.nodeBuilderCache=new Map,this.callHashCache=new vd,this.groupsData=new vd}updateGroup(t){const e=t.groupNode,s=e.name;if(s===sf.name)return!0;if(s===ef.name){const e=this.get(t),s=this.nodeFrame.renderId;return e.renderId!==s&&(e.renderId=s,!0)}if(s===tf.name){const e=this.get(t),s=this.nodeFrame.frameId;return e.frameId!==s&&(e.frameId=s,!0)}const i=[e,t];let r=this.groupsData.get(i);return void 0===r&&this.groupsData.set(i,r={}),r.version!==e.version&&(r.version=e.version,!0)}getForRenderCacheKey(t){return t.initialCacheKey}getForRender(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,r=this.getForRenderCacheKey(t);if(s=i.get(r),void 0===s){const e=this.backend.createNodeBuilder(t.object,this.renderer);e.scene=t.scene,e.material=t.material,e.camera=t.camera,e.context.material=t.material,e.lightsNode=t.lightsNode,e.environmentNode=this.getEnvironmentNode(t.scene),e.fogNode=this.getFogNode(t.scene),e.clippingContext=t.clippingContext,e.build(),s=this._createNodeBuilderState(e),i.set(r,s)}s.usedTimes++,e.nodeBuilderState=s}return s}delete(t){if(t.isRenderObject){const e=this.get(t).nodeBuilderState;e.usedTimes--,0===e.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(t))}return super.delete(t)}getForCompute(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const i=this.backend.createNodeBuilder(t,this.renderer);i.build(),s=this._createNodeBuilderState(i),e.nodeBuilderState=s}return s}_createNodeBuilderState(t){return new rB(t.vertexShader,t.fragmentShader,t.computeShader,t.getAttributesArray(),t.getBindings(),t.updateNodes,t.updateBeforeNodes,t.updateAfterNodes,t.instanceBindGroups,t.transforms)}getEnvironmentNode(t){return t.environmentNode||this.get(t).environmentNode||null}getBackgroundNode(t){return t.backgroundNode||this.get(t).backgroundNode||null}getFogNode(t){return t.fogNode||this.get(t).fogNode||null}getCacheKey(t,e){const s=[t,e],i=this.renderer.info.calls;let r=this.callHashCache.get(s);if(void 0===r||r.callId!==i){const n=this.getEnvironmentNode(t),o=this.getFogNode(t),a=[];e&&a.push(e.getCacheKey()),n&&a.push(n.getCacheKey()),o&&a.push(o.getCacheKey()),r={callId:i,cacheKey:a.join(",")},this.callHashCache.set(s,r)}return r.cacheKey}updateScene(t){this.updateEnvironment(t),this.updateFog(t),this.updateBackground(t)}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(t){const e=this.get(t),s=t.background;if(s){if(e.background!==s){let t=null;!0===s.isCubeTexture||s.mapping===ut||s.mapping===ct?t=cT(s,Hx):!0===s.isTexture?t=ex(s,ST).setUpdateMatrix(!0):!0!==s.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",s),e.backgroundNode=t,e.background=s}}else e.backgroundNode&&(delete e.backgroundNode,delete e.background)}updateFog(t){const e=this.get(t),s=t.fog;if(s){if(e.fog!==s){let t=null;s.isFogExp2?t=zN(cx("color","color",s),cx("density","float",s)):s.isFog?t=UN(cx("color","color",s),cx("near","float",s),cx("far","float",s)):console.error("WebGPUNodes: Unsupported fog configuration.",s),e.fogNode=t,e.fog=s}}else delete e.fogNode,delete e.fog}updateEnvironment(t){const e=this.get(t),s=t.environment;if(s){if(e.environment!==s){let t=null;!0===s.isCubeTexture?t=yv(s):!0===s.isTexture?t=ex(s):console.error("Nodes: Unsupported environment configuration.",s),e.environmentNode=t,e.environment=s}}else e.environmentNode&&(delete e.environmentNode,delete e.environment)}getNodeFrame(t=this.renderer,e=null,s=null,i=null,r=null){const n=this.nodeFrame;return n.renderer=t,n.scene=e,n.object=s,n.camera=i,n.material=r,n}getNodeFrameForRender(t){return this.getNodeFrame(t.renderer,t.scene,t.object,t.camera,t.material)}getOutputNode(t){let e=ex(t,wT);return this.isToneMappingState&&(this.renderer.toneMappingNode?e=gm(this.renderer.toneMappingNode.context({color:e.rgb}),e.a):0!==this.renderer.toneMapping&&(e=e.toneMapping(this.renderer.toneMapping))),this.renderer.currentColorSpace===Xe&&(e=e.linearToColorSpace(this.renderer.currentColorSpace)),e}updateBefore(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateBeforeNodes)e.updateBeforeNode(t)}updateAfter(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateAfterNodes)e.updateAfterNode(t)}updateForCompute(t){const e=this.getNodeFrame(),s=this.getForCompute(t);for(const t of s.updateNodes)e.updateNode(t)}updateForRender(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateNodes)e.updateNode(t)}dispose(){super.dispose(),this.nodeFrame=new j_,this.nodeBuilderCache=new Map}}class oB{constructor(t,e){this.scene=t,this.camera=e}clone(){return Object.assign(new this.constructor,this)}}class aB{constructor(){this.lists=new vd}get(t,e){const s=this.lists,i=[t,e];let r=s.get(i);return void 0===r&&(r=new oB(t,e),s.set(i,r)),r}dispose(){this.lists=new vd}}const hB=new io,lB=new Zs,uB=new vi,cB=new ia,dB=new rr,pB=new Ri,mB=new tN(new XT);class gB{constructor(t,e={}){this.isRenderer=!0;const{logarithmicDepthBuffer:s=!1,alpha:i=!0}=e;this.domElement=t.getDomElement(),this.backend=t,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=s,this.outputColorSpace=Xe,this.toneMapping=0,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=!0,this.stencil=!1,this.clippingPlanes=[],this.info=new Od,this.toneMappingNode=null,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new vi(0,0,this._width,this._height),this._scissor=new vi(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const r=!0===this.alpha?0:1;this._clearColor=new eB(0,0,0,r),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.shadowMap={enabled:!1,type:null},this.xr={enabled:!1},this.debug={checkShaderErrors:!0,onShaderError:null}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(t,e)=>{const s=this.backend;try{await s.init(this)}catch(t){return void e(t)}this._nodes=new nB(this,s),this._animation=new bd(this._nodes,this.info),this._attributes=new Id(s),this._background=new iB(this,this._nodes),this._geometries=new Ud(this._attributes,this.info),this._textures=new tB(this,s,this.info),this._pipelines=new Gd(s,this._nodes),this._bindings=new Wd(s,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Ad(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new YE,this._bundles=new aB,this._renderContexts=new QE,this._initialized=!0,t()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(t,e,s=null){!1===this._initialized&&await this.init();const i=this._nodes.nodeFrame,r=i.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,h=!0===t.isScene?t:hB;null===s&&(s=t);const l=this._renderTarget,u=this._renderContexts.get(s,e,l),c=this._activeMipmapLevel,d=[];this._currentRenderContext=u,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=d,i.renderId++,i.update(),u.depth=this.depth,u.stencil=this.stencil,u.clippingContext||(u.clippingContext=new wd),u.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,l);const p=this._renderLists.get(t,e);if(p.begin(),this._projectObject(t,e,0,p),s!==t&&s.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&p.pushLight(t)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const t=this._textures.get(l);u.textures=t.textures,u.depthTexture=t.depthTexture}else u.textures=null,u.depthTexture=null;this._nodes.updateScene(h),this._background.update(h,p,u);const m=p.opaque,g=p.transparent,f=p.lightsNode;m.length>0&&this._renderObjects(m,e,h,f),g.length>0&&this._renderObjects(g,e,h,f),i.renderId=r,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(d)}async renderAsync(t,e){!1===this._initialized&&await this.init();const s=this._renderScene(t,e);await this.backend.resolveTimestampAsync(s,"render")}_renderBundle(t,e,s){const{object:i,camera:r,renderList:n}=t,o=this._currentRenderContext,a=this.backend.get(o),h=this._bundles.get(i,r),l=this.backend.get(h);void 0===l.renderContexts&&(l.renderContexts=new Set);const u=!1===l.renderContexts.has(o)||!0===i.needsUpdate;if(l.renderContexts.add(o),u){if(void 0===a.renderObjects||!0===i.needsUpdate){const t=this._nodes.nodeFrame;a.renderObjects=[],a.renderBundles=[],a.scene=e,a.camera=r,a.renderId=t.renderId,a.registerBundlesPhase=!0}this._currentRenderBundle=h;const t=n.opaque;t.length>0&&this._renderObjects(t,r,e,s),this._currentRenderBundle=null,i.needsUpdate=!1}else{const t=this._currentRenderContext,e=this.backend.get(t);for(let t=0,s=e.renderObjects.length;t>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=x,p.viewportValue.maxDepth=b,p.viewport=!1===p.viewportValue.equals(uB),p.scissorValue.copy(f).multiplyScalar(y).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(uB),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new wd),p.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,d),dB.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),cB.setFromProjectionMatrix(dB,m);const v=this._renderLists.get(t,e);if(v.begin(),this._projectObject(t,e,0,v),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort),null!==d){this._textures.updateRenderTarget(d,c);const t=this._textures.get(d);p.textures=t.textures,p.depthTexture=t.depthTexture,p.width=t.width,p.height=t.height,p.renderTarget=d,p.depth=d.depthBuffer,p.stencil=d.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=u,p.activeMipmapLevel=c,p.occlusionQueryCount=v.occlusionQueryCount,this._nodes.updateScene(h),this._background.update(h,v,p),this.backend.beginRender(p);const T=v.opaque,_=v.transparent,w=v.bundles,S=v.lightsNode;return w.length>0&&this._renderBundles(w,h,S),T.length>0&&this._renderObjects(T,e,h,S),_.length>0&&this._renderObjects(_,e,h,S),this.backend.finishRender(p),r.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==i&&(this.setRenderTarget(l,u,c),mB.material.fragmentNode=this._nodes.getOutputNode(d.texture),this._renderScene(mB,mB.camera,!1)),h.onAfterRender(this,t,e,d),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(t){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(t)}async getArrayBufferAsync(t){return await this.backend.getArrayBufferAsync(t)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(t){return t.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(t){return t.set(this._width,this._height)}setPixelRatio(t=1){this._pixelRatio=t,this.setSize(this._width,this._height,!1)}setDrawingBufferSize(t,e,s){this._width=t,this._height=e,this._pixelRatio=s,this.domElement.width=Math.floor(t*s),this.domElement.height=Math.floor(e*s),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setSize(t,e,s=!0){this._width=t,this._height=e,this.domElement.width=Math.floor(t*this._pixelRatio),this.domElement.height=Math.floor(e*this._pixelRatio),!0===s&&(this.domElement.style.width=t+"px",this.domElement.style.height=e+"px"),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setOpaqueSort(t){this._opaqueSort=t}setTransparentSort(t){this._transparentSort=t}getScissor(t){const e=this._scissor;return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,t}setScissor(t,e,s,i){const r=this._scissor;t.isVector4?r.copy(t):r.set(t,e,s,i)}getScissorTest(){return this._scissorTest}setScissorTest(t){this._scissorTest=t,this.backend.setScissorTest(t)}getViewport(t){return t.copy(this._viewport)}setViewport(t,e,s,i,r=0,n=1){const o=this._viewport;t.isVector4?o.copy(t):o.set(t,e,s,i),o.minDepth=r,o.maxDepth=n}getClearColor(t){return t.copy(this._clearColor)}setClearColor(t,e=1){this._clearColor.set(t),this._clearColor.a=e}getClearAlpha(){return this._clearColor.a}setClearAlpha(t){this._clearColor.a=t}getClearDepth(){return this._clearDepth}setClearDepth(t){this._clearDepth=t}getClearStencil(){return this._clearStencil}setClearStencil(t){this._clearStencil=t}isOccluded(t){const e=this._currentRenderContext;return e&&this.backend.isOccluded(e,t)}clear(t=!0,e=!0,s=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(t,e,s);const i=this._renderTarget||this._getFrameBufferTarget();let r=null;null!==i&&(this._textures.updateRenderTarget(i),r=this._textures.get(i)),this.backend.clear(t,e,s,r),null!==i&&null===this._renderTarget&&(mB.material.fragmentNode=this._nodes.getOutputNode(i.texture),this._renderScene(mB,mB.camera,!1))}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(t=!0,e=!0,s=!0){!1===this._initialized&&await this.init(),this.clear(t,e,s)}clearColorAsync(){return this.clearAsync(!0,!1,!1)}clearDepthAsync(){return this.clearAsync(!1,!0,!1)}clearStencilAsync(){return this.clearAsync(!1,!1,!0)}get currentColorSpace(){const t=this._renderTarget;if(null!==t){const e=t.texture;return(Array.isArray(e)?e[0]:e).colorSpace}return this.outputColorSpace}dispose(){this.info.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(t,e=0,s=0){this._renderTarget=t,this._activeCubeFace=e,this._activeMipmapLevel=s}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(t){this._renderObjectFunction=t}getRenderObjectFunction(){return this._renderObjectFunction}async computeAsync(t){!1===this._initialized&&await this.init();const e=this._nodes.nodeFrame,s=e.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,e.renderId=this.info.calls;const i=this.backend,r=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(t)?t:[t];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(t);for(const e of a){if(!1===r.has(e)){const t=()=>{e.removeEventListener("dispose",t),r.delete(e),n.delete(e),o.delete(e)};e.addEventListener("dispose",t),e.onInit({renderer:this})}o.updateForCompute(e),n.updateForCompute(e);const s=n.getForCompute(e),a=r.getForCompute(e,s);i.compute(t,e,s,a)}i.finishCompute(t),await this.backend.resolveTimestampAsync(t,"compute"),e.renderId=s}async hasFeatureAsync(t){return!1===this._initialized&&await this.init(),this.backend.hasFeature(t)}hasFeature(t){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(t)}copyFramebufferToTexture(t){const e=this._currentRenderContext;this._textures.updateTexture(t),this.backend.copyFramebufferToTexture(t,e)}copyTextureToTexture(t,e,s=null,i=null,r=0){this._textures.updateTexture(t),this._textures.updateTexture(e),this.backend.copyTextureToTexture(t,e,s,i,r)}readRenderTargetPixelsAsync(t,e,s,i,r,n=0){return this.backend.copyTextureToBuffer(t.textures[n],e,s,i,r)}_projectObject(t,e,s,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)s=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)i.pushLight(t);else if(t.isSprite){if(!t.frustumCulled||cB.intersectsSprite(t)){!0===this.sortObjects&&pB.setFromMatrixPosition(t.matrixWorld).applyMatrix4(dB);const e=t.geometry,r=t.material;r.visible&&i.push(t,e,r,s,pB.z,null)}}else if(t.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||cB.intersectsObject(t))){const e=t.geometry,r=t.material;if(!0===this.sortObjects&&(null===e.boundingSphere&&e.computeBoundingSphere(),pB.copy(e.boundingSphere.center).applyMatrix4(t.matrixWorld).applyMatrix4(dB)),Array.isArray(r)){const n=e.groups;for(let o=0,a=n.length;o0?i:"";e=`${t.name} {\n\t${s} ${r.name}[${n}];\n};\n`}else{e=`${this.getVectorType(r.type)} ${this.getPropertyName(r,t)};`,n=!0}const o=r.node.precision;if(null!==o&&(e=EB[o]+" "+e),n){e="\t"+e;const t=r.groupNode.name;(i[t]||(i[t]=[])).push(e)}else e="uniform "+e,s.push(e)}let r="";for(const e in i){const s=i[e];r+=this._getGLSLUniformStruct(t+"_"+e,s.join("\n"))+"\n"}return r+=s.join("\n"),r}getTypeFromAttribute(t){let e=super.getTypeFromAttribute(t);if(/^[iu]/.test(e)&&t.gpuType!==Et){let s=t;t.isInterleavedBufferAttribute&&(s=t.data);const i=s.array;!1==(i instanceof Uint32Array||i instanceof Int32Array||i instanceof Uint16Array||i instanceof Int16Array)&&(e=e.slice(1))}return e}getAttributes(t){let e="";if("vertex"===t||"compute"===t){const t=this.getAttributesArray();let s=0;for(const i of t)e+=`layout( location = ${s++} ) in ${i.type} ${i.name};\n`}return e}getStructMembers(t){const e=[],s=t.getMemberTypes();for(let t=0;t0&&(s+="\n"),s+=`\t// flow -> ${n}\n\t`),s+=`${i.code}\n\t`,t===r&&"compute"!==e&&(s+="// result\n\t","vertex"===e?(s+="gl_Position = ",s+=`${i.result};`):"fragment"===e&&(t.outputNode.isOutputStructNode||(s+="fragColor = ",s+=`${i.result};`)))}const n=t[e];n.extensions=this.getExtensions(e),n.uniforms=this.getUniforms(e),n.attributes=this.getAttributes(e),n.varyings=this.getVaryings(e),n.vars=this.getVars(e),n.structs=this.getStructs(e),n.codes=this.getCodes(e),n.transforms=this.getTransforms(e),n.flow=s}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(t.vertex),this.fragmentShader=this._getGLSLFragmentCode(t.fragment)):this.computeShader=this._getGLSLVertexCode(t.compute)}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);let o=n.uniformGPU;if(void 0===o){const i=t.groupNode,a=i.name,h=this.getBindGroupArray(a,s);if("texture"===e)o=new AB(r.name,r.node,i),h.push(o);else if("cubeTexture"===e)o=new NB(r.name,r.node,i),h.push(o);else if("texture3D"===e)o=new RB(r.name,r.node,i),h.push(o);else if("buffer"===e){t.name=`NodeBuffer_${t.id}`,r.name=`buffer${t.id}`;const e=new vB(t,i);e.name=t.name,h.push(e),o=e}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new wB(s+"_"+a,i),t[a]=n,h.push(n)),o=this.getNodeUniform(r,e),n.addUniform(o)}n.uniformGPU=o}return r}}let FB=null,UB=null,OB=null;class zB{constructor(t={}){this.parameters=Object.assign({},t),this.data=new WeakMap,this.renderer=null,this.domElement=null}async init(t){this.renderer=t}begin(){}finish(){}draw(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}createRenderPipeline(){}createComputePipeline(){}destroyPipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}createDefaultTexture(){}createTexture(){}copyTextureToBuffer(){}createAttribute(){}createIndexAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}resolveTimestampAsync(){}hasFeatureAsync(){}hasFeature(){}getInstanceCount(t){const{object:e,geometry:s}=t;return s.isInstancedBufferGeometry?s.instanceCount:e.count>1?e.count:1}getDrawingBufferSize(){return FB=FB||new Zs,this.renderer.getDrawingBufferSize(FB)}getScissor(){return UB=UB||new vi,this.renderer.getScissor(UB)}setScissorTest(){}getClearColor(){const t=this.renderer;return OB=OB||new eB,t.getClearColor(OB),OB.getRGB(OB,this.renderer.currentColorSpace),OB}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:ii(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${t} webgpu`),this.domElement=e),e}set(t,e){this.data.set(t,e)}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}has(t){return this.data.has(t)}delete(t){this.data.delete(t)}}let LB=0;class VB{constructor(t,e){this.buffers=[t.bufferGPU,e],this.type=t.type,this.bufferType=t.bufferType,this.pbo=t.pbo,this.byteLength=t.byteLength,this.bytesPerElement=t.BYTES_PER_ELEMENT,this.version=t.version,this.isInteger=t.isInteger,this.activeBufferIndex=0,this.baseId=t.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class DB{constructor(t){this.backend=t}createAttribute(t,e){const s=this.backend,{gl:i}=s,r=t.array,n=t.usage||i.STATIC_DRAW,o=t.isInterleavedBufferAttribute?t.data:t,a=s.get(o);let h,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(i,e,r,n),a.bufferGPU=l,a.bufferType=e,a.version=o.version),r instanceof Float32Array)h=i.FLOAT;else if(r instanceof Uint16Array)h=t.isFloat16BufferAttribute?i.HALF_FLOAT:i.UNSIGNED_SHORT;else if(r instanceof Int16Array)h=i.SHORT;else if(r instanceof Uint32Array)h=i.UNSIGNED_INT;else if(r instanceof Int32Array)h=i.INT;else if(r instanceof Int8Array)h=i.BYTE;else if(r instanceof Uint8Array)h=i.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+r);h=i.UNSIGNED_BYTE}let u={bufferGPU:l,bufferType:e,type:h,byteLength:r.byteLength,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version,pbo:t.pbo,isInteger:h===i.INT||h===i.UNSIGNED_INT||h===i.UNSIGNED_SHORT||t.gpuType===Et,id:LB++};if(t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute){const t=this._createBuffer(i,e,r,n);u=new VB(u,t)}s.set(t,u)}updateAttribute(t){const e=this.backend,{gl:s}=e,i=t.array,r=t.isInterleavedBufferAttribute?t.data:t,n=e.get(r),o=n.bufferType,a=t.isInterleavedBufferAttribute?t.data.updateRanges:t.updateRanges;if(s.bindBuffer(o,n.bufferGPU),0===a.length)s.bufferSubData(o,0,i);else{for(let t=0,e=a.length;t{!function r(){const n=t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0);if(n===t.WAIT_FAILED)return t.deleteSync(e),void i();n!==t.TIMEOUT_EXPIRED?(t.deleteSync(e),s()):requestAnimationFrame(r)}()}))}}let qB,$B,XB,YB=!1;class JB{constructor(t){this.backend=t,this.gl=t.gl,this.extensions=t.extensions,this.defaultTextures={},!1===YB&&(this._init(this.gl),YB=!0)}_init(t){qB={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[gt]:t.MIRRORED_REPEAT},$B={[ft]:t.NEAREST,[yt]:t.NEAREST_MIPMAP_NEAREST,[bt]:t.NEAREST_MIPMAP_LINEAR,[Tt]:t.LINEAR,[_t]:t.LINEAR_MIPMAP_NEAREST,[St]:t.LINEAR_MIPMAP_LINEAR},XB={512:t.NEVER,519:t.ALWAYS,[bs]:t.LESS,515:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL}}filterFallback(t){const{gl:e}=this;return t===ft||t===yt||t===bt?e.NEAREST:e.LINEAR}getGLTextureType(t){const{gl:e}=this;let s;return s=!0===t.isCubeTexture?e.TEXTURE_CUBE_MAP:!0===t.isDataArrayTexture?e.TEXTURE_2D_ARRAY:!0===t.isData3DTexture?e.TEXTURE_3D:e.TEXTURE_2D,s}getInternalFormat(t,e,s,i,r=!1){const{gl:n,extensions:o}=this;if(null!==t){if(void 0!==n[t])return n[t];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+t+"'")}let a=e;return e===n.RED&&(s===n.FLOAT&&(a=n.R32F),s===n.HALF_FLOAT&&(a=n.R16F),s===n.UNSIGNED_BYTE&&(a=n.R8),s===n.UNSIGNED_SHORT&&(a=n.R16),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RED_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.R8UI),s===n.UNSIGNED_SHORT&&(a=n.R16UI),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RG&&(s===n.FLOAT&&(a=n.RG32F),s===n.HALF_FLOAT&&(a=n.RG16F),s===n.UNSIGNED_BYTE&&(a=n.RG8),s===n.UNSIGNED_SHORT&&(a=n.RG16),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RG_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RG8UI),s===n.UNSIGNED_SHORT&&(a=n.RG16UI),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RGB&&(s===n.FLOAT&&(a=n.RGB32F),s===n.HALF_FLOAT&&(a=n.RGB16F),s===n.UNSIGNED_BYTE&&(a=n.RGB8),s===n.UNSIGNED_SHORT&&(a=n.RGB16),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8:n.RGB8),s===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),s===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),e===n.RGB_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGB8UI),s===n.UNSIGNED_SHORT&&(a=n.RGB16UI),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I)),e===n.RGBA&&(s===n.FLOAT&&(a=n.RGBA32F),s===n.HALF_FLOAT&&(a=n.RGBA16F),s===n.UNSIGNED_BYTE&&(a=n.RGBA8),s===n.UNSIGNED_SHORT&&(a=n.RGBA16),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8_ALPHA8:n.RGBA8),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),e===n.RGBA_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),s===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I)),e===n.DEPTH_COMPONENT&&(s===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),s===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),e===n.DEPTH_STENCIL&&s===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(t,e){const{gl:s,extensions:i,backend:r}=this,{currentAnisotropy:n}=r.get(e);s.texParameteri(t,s.TEXTURE_WRAP_S,qB[e.wrapS]),s.texParameteri(t,s.TEXTURE_WRAP_T,qB[e.wrapT]),t!==s.TEXTURE_3D&&t!==s.TEXTURE_2D_ARRAY||s.texParameteri(t,s.TEXTURE_WRAP_R,qB[e.wrapR]),s.texParameteri(t,s.TEXTURE_MAG_FILTER,$B[e.magFilter]);const o=e.isVideoTexture||e.minFilter!==Tt?e.minFilter:St;if(s.texParameteri(t,s.TEXTURE_MIN_FILTER,$B[o]),e.compareFunction&&(s.texParameteri(t,s.TEXTURE_COMPARE_MODE,s.COMPARE_REF_TO_TEXTURE),s.texParameteri(t,s.TEXTURE_COMPARE_FUNC,XB[e.compareFunction])),!0===i.has("EXT_texture_filter_anisotropic")){if(e.magFilter===ft)return;if(e.minFilter!==bt&&e.minFilter!==St)return;if(e.type===It&&!1===i.has("OES_texture_float_linear"))return;if(e.anisotropy>1||n!==e.anisotropy){const n=i.get("EXT_texture_filter_anisotropic");s.texParameterf(t,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(e.anisotropy,r.getMaxAnisotropy())),r.get(e).currentAnisotropy=e.anisotropy}}}createDefaultTexture(t){const{gl:e,backend:s,defaultTextures:i}=this,r=this.getGLTextureType(t);let n=i[r];void 0===n&&(n=e.createTexture(),s.state.bindTexture(r,n),e.texParameteri(r,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(r,e.TEXTURE_MAG_FILTER,e.NEAREST),i[r]=n),s.set(t,{textureGPU:n,glTextureType:r,isDefault:!0})}createTexture(t,e){const{gl:s,backend:i}=this,{levels:r,width:n,height:o,depth:a}=e,h=i.utils.convert(t.format,t.colorSpace),l=i.utils.convert(t.type),u=this.getInternalFormat(t.internalFormat,h,l,t.colorSpace,t.isVideoTexture),c=s.createTexture(),d=this.getGLTextureType(t);i.state.bindTexture(d,c),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,t.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,t.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE),this.setTextureParameters(d,t),t.isDataArrayTexture?s.texStorage3D(s.TEXTURE_2D_ARRAY,r,u,n,o,a):t.isData3DTexture?s.texStorage3D(s.TEXTURE_3D,r,u,n,o,a):t.isVideoTexture||s.texStorage2D(d,r,u,n,o),i.set(t,{textureGPU:c,glTextureType:d,glFormat:h,glType:l,glInternalFormat:u})}copyBufferToTexture(t,e){const{gl:s,backend:i}=this,{textureGPU:r,glTextureType:n,glFormat:o,glType:a}=i.get(e),{width:h,height:l}=e.source.data;s.bindBuffer(s.PIXEL_UNPACK_BUFFER,t),i.state.bindTexture(n,r),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,!1),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),s.texSubImage2D(n,0,0,0,h,l,o,a,0),s.bindBuffer(s.PIXEL_UNPACK_BUFFER,null),i.state.unbindTexture()}updateTexture(t,e){const{gl:s}=this,{width:i,height:r}=e,{textureGPU:n,glTextureType:o,glFormat:a,glType:h,glInternalFormat:l}=this.backend.get(t);if(t.isRenderTargetTexture||void 0===n)return;const u=t=>t.isDataTexture?t.image.data:t instanceof ImageBitmap||t instanceof OffscreenCanvas||t instanceof HTMLImageElement||t instanceof HTMLCanvasElement?t:t.data;if(this.backend.state.bindTexture(o,n),t.isCompressedTexture){const i=t.mipmaps;for(let r=0;r0){let a,h;!0===t.isDepthTexture?(a=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,e.stencil&&(a|=s.STENCIL_BUFFER_BIT)):(a=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0);const l=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,l),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,r,0),s.blitFramebuffer(0,0,n,o,0,0,n,o,a,s.NEAREST),s.deleteFramebuffer(l)}else i.bindTexture(s.TEXTURE_2D,r),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,0,0,n,o),i.unbindTexture();t.generateMipmaps&&this.generateMipmaps(t),this.backend._setFramebuffer(e)}setupRenderBufferStorage(t,e){const{gl:s}=this,i=e.renderTarget,{samples:r,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:h,height:l}=i;if(s.bindRenderbuffer(s.RENDERBUFFER,t),o&&!a){let e=s.DEPTH_COMPONENT24;r>0?(n&&n.isDepthTexture&&n.type===s.FLOAT&&(e=s.DEPTH_COMPONENT32F),s.renderbufferStorageMultisample(s.RENDERBUFFER,r,e,h,l)):s.renderbufferStorage(s.RENDERBUFFER,e,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,t)}else o&&a&&(r>0?s.renderbufferStorageMultisample(s.RENDERBUFFER,r,s.DEPTH24_STENCIL8,h,l):s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_STENCIL,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_STENCIL_ATTACHMENT,s.RENDERBUFFER,t))}async copyTextureToBuffer(t,e,s,i,r){const{backend:n,gl:o}=this,{textureGPU:a,glFormat:h,glType:l}=this.backend.get(t),u=o.createFramebuffer();o.bindFramebuffer(o.READ_FRAMEBUFFER,u),o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,o.TEXTURE_2D,a,0);const c=this._getTypedArrayType(l),d=i*r*this._getBytesPerTexel(h),p=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.bufferData(o.PIXEL_PACK_BUFFER,d,o.STREAM_READ),o.readPixels(e,s,i,r,h,l,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await n.utils._clientWaitAsync();const m=new c(d/c.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,m),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),o.deleteFramebuffer(u),m}_getTypedArrayType(t){const{gl:e}=this;if(t===e.UNSIGNED_BYTE)return Uint8Array;if(t===e.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(t===e.UNSIGNED_SHORT)return Uint16Array;if(t===e.UNSIGNED_INT)return Uint32Array;if(t===e.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${t}`)}_getBytesPerTexel(t){const{gl:e}=this;return t===e.RGBA?4:t===e.RGB?3:t===e.ALPHA?1:void 0}}class ZB{constructor(t){this.backend=t,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(t){let e=this.extensions[t];return void 0===e&&(e=this.gl.getExtension(t),this.extensions[t]=e),e}has(t){return this.availableExtensions.includes(t)}}class QB{constructor(t){this.backend=t,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const t=this.backend.gl,e=this.backend.extensions;if(!0===e.has("EXT_texture_filter_anisotropic")){const s=e.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=t.getParameter(s.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const KB={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class tI{constructor(t){this.gl=t.gl,this.extensions=t.extensions,this.info=t.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(t,e){const{gl:s,mode:i,object:r,type:n,info:o,index:a}=this;0!==a?s.drawElements(i,e,n,t):s.drawArrays(i,t,e),o.update(r,e,i,1)}renderInstances(t,e,s){const{gl:i,mode:r,type:n,index:o,object:a,info:h}=this;0!==s&&(0!==o?i.drawElementsInstanced(r,e,n,t,s):i.drawArraysInstanced(r,t,e,s),h.update(a,e,r,s))}renderMultiDraw(t,e,s){const{extensions:i,mode:r,object:n,info:o}=this;if(0===s)return;const a=i.get("WEBGL_multi_draw");if(null===a)for(let i=0;i0)){const t=e.queryQueue.shift();this.initTimestampQuery(t)}}async resolveTimestampAsync(t,e="render"){if(!this.disjoint||!this.trackTimestamp)return;const s=this.get(t);s.gpuQueries||(s.gpuQueries=[]);for(let t=0;t0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(t){const{gl:e,state:s}=this,i=this.get(t).previousContext,r=t.textures;if(null!==r)for(let t=0;t0){const r=i.msaaFrameBuffer,a=t.textures;s.bindFramebuffer(e.READ_FRAMEBUFFER,r),s.bindFramebuffer(e.DRAW_FRAMEBUFFER,n);for(let s=0;s0){if(n>this.get(t).occlusionQueryIndex){const{gl:t}=this;t.endQuery(t.ANY_SAMPLES_PASSED)}this.resolveOccludedAsync(t)}this.prepareTimestampBuffer(t)}resolveOccludedAsync(t){const e=this.get(t),{currentOcclusionQueries:s,currentOcclusionQueryObjects:i}=e;if(s&&i){const t=new WeakSet,{gl:r}=this;e.currentOcclusionQueryObjects=null,e.currentOcclusionQueries=null;const n=()=>{let o=0;for(let e=0;e0&&t.add(i[e]),s[e]=null,r.deleteQuery(n),o++))}o1?f.renderInstances(m,y,x):f.render(m,y),o.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(t){return t.id}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}createSampler(){}destroySampler(){}createNodeBuilder(t,e){return new PB(t,e)}createProgram(t){const e=this.gl,{stage:s,code:i}=t,r="fragment"===s?e.createShader(e.FRAGMENT_SHADER):e.createShader(e.VERTEX_SHADER);e.shaderSource(r,i),e.compileShader(r),this.set(t,{shaderGPU:r})}destroyProgram(){console.warn("Abstract class.")}createRenderPipeline(t,e){const s=this.gl,i=t.pipeline,{fragmentProgram:r,vertexProgram:n}=i,o=s.createProgram(),a=this.get(r).shaderGPU,h=this.get(n).shaderGPU;if(s.attachShader(o,a),s.attachShader(o,h),s.linkProgram(o),this.set(i,{programGPU:o,fragmentShader:a,vertexShader:h}),null!==e&&this.parallel){const r=new Promise((e=>{const r=this.parallel,n=()=>{s.getProgramParameter(o,r.COMPLETION_STATUS_KHR)?(this._completeCompile(t,i),e()):requestAnimationFrame(n)};n()}));e.push(r)}else this._completeCompile(t,i)}_handleSource(t,e){const s=t.split("\n"),i=[],r=Math.max(e-6,0),n=Math.min(e+6,s.length);for(let t=r;t":" "} ${r}: ${s[t]}`)}return i.join("\n")}_getShaderErrors(t,e,s){const i=t.getShaderParameter(e,t.COMPILE_STATUS),r=t.getShaderInfoLog(e).trim();if(i&&""===r)return"";const n=/ERROR: 0:(\d+)/.exec(r);if(n){const i=parseInt(n[1]);return s.toUpperCase()+"\n\n"+r+"\n\n"+this._handleSource(t.getShaderSource(e),i)}return r}_logProgramError(t,e,s){if(this.renderer.debug.checkShaderErrors){const i=this.gl,r=i.getProgramInfoLog(t).trim();if(!1===i.getProgramParameter(t,i.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(i,t,s,e);else{const n=this._getShaderErrors(i,s,"vertex"),o=this._getShaderErrors(i,e,"fragment");console.error("THREE.WebGLProgram: Shader Error "+i.getError()+" - VALIDATE_STATUS "+i.getProgramParameter(t,i.VALIDATE_STATUS)+"\n\nProgram Info Log: "+r+"\n"+n+"\n"+o)}else""!==r&&console.warn("THREE.WebGLProgram: Program Info Log:",r)}}_completeCompile(t,e){const s=this.gl,i=this.get(e),{programGPU:r,fragmentShader:n,vertexShader:o}=i;!1===s.getProgramParameter(r,s.LINK_STATUS)&&this._logProgramError(r,n,o),s.useProgram(r);const a=t.getBindings();this._setupBindings(a,r),this.set(e,{programGPU:r})}createComputePipeline(t,e){const s=this.gl,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:r}=t,n=s.createProgram(),o=this.get(i).shaderGPU,a=this.get(r).shaderGPU,h=r.transforms,l=[],u=[];for(let t=0;tKB[e]===t)),s=this.extensions;for(let t=0;t0){if(void 0===d){const i=[];d=e.createFramebuffer(),s.bindFramebuffer(e.FRAMEBUFFER,d);const r=[],l=t.textures;for(let s=0;s,\n\t@location( 0 ) vTex : vec2\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2, 4 >(\n\t\tvec2( -1.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 ),\n\t\tvec2( -1.0, -1.0 ),\n\t\tvec2( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2, 4 >(\n\t\tvec2( 0.0, 0.0 ),\n\t\tvec2( 1.0, 0.0 ),\n\t\tvec2( 0.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=t.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=t.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(t){let e=this.transferPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:RS,stripIndexFormat:HS},layout:"auto"}),this.transferPipelines[t]=e),e}getFlipYPipeline(t){let e=this.flipYPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:RS,stripIndexFormat:HS},layout:"auto"}),this.flipYPipelines[t]=e),e}flipY(t,e,s=0){const i=e.format,{width:r,height:n}=e.size,o=this.getTransferPipeline(i),a=this.getFlipYPipeline(i),h=this.device.createTexture({size:{width:r,height:n,depthOrArrayLayers:1},format:i,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:OM,baseArrayLayer:s}),u=h.createView({baseMipLevel:0,mipLevelCount:1,dimension:OM,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),d=(t,e,s)=>{const i=t.getBindGroupLayout(0),r=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:e}]}),n=c.beginRenderPass({colorAttachments:[{view:s,loadOp:VS,storeOp:zS,clearValue:[0,0,0,0]}]});n.setPipeline(t),n.setBindGroup(0,r),n.draw(4,1,0,0),n.end()};d(o,l,u),d(a,u,l),this.device.queue.submit([c.finish()]),h.destroy()}generateMipmaps(t,e,s=0){const i=this.getTransferPipeline(e.format),r=this.device.createCommandEncoder({}),n=i.getBindGroupLayout(0);let o=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:OM,baseArrayLayer:s});for(let a=1;a1&&(u=Math.pow(2,Math.floor(Math.log2(u))),2===u&&(u=4));const c=t.isRenderTargetTexture?1:u;let d=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===t.isStorageTexture&&(d|=GPUTextureUsage.STORAGE_BINDING),!0!==t.isCompressedTexture&&(d|=GPUTextureUsage.RENDER_ATTACHMENT);const p={label:t.name,size:{width:r,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:h,format:l,usage:d};if(t.isVideoTexture){const e=t.source.data,s=new VideoFrame(e);p.size.width=s.displayWidth,p.size.height=s.displayHeight,s.close(),i.externalTexture=e}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(t);i.texture=s.device.createTexture(p)}if(t.isRenderTargetTexture&&u>1){const t=Object.assign({},p);t.label=t.label+"-msaa",t.sampleCount=u,i.msaaTexture=s.device.createTexture(t)}i.initialized=!0,i.textureDescriptorGPU=p}destroyTexture(t){const e=this.backend,s=e.get(t);s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),e.delete(t)}destroySampler(t){delete this.backend.get(t).sampler}generateMipmaps(t){const e=this.backend.get(t);if(t.isCubeTexture)for(let t=0;t<6;t++)this._generateMipmaps(e.texture,e.textureDescriptorGPU,t);else this._generateMipmaps(e.texture,e.textureDescriptorGPU)}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const t=this.backend,{width:e,height:s}=t.getDrawingBufferSize();return this.colorBuffer=t.device.createTexture({label:"colorBuffer",size:{width:e,height:s,depthOrArrayLayers:1},sampleCount:t.parameters.sampleCount,format:qS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(t=!0,e=!1){const s=this.backend,{width:i,height:r}=s.getDrawingBufferSize(),n=this.depthTexture,o=s.get(n).texture;let a,h;if(e?(a=jt,h=Ot):t&&(a=Wt,h=Bt),void 0!==o){if(n.image.width===i&&n.image.height===r&&n.format===a&&n.type===h)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=h,n.image.width=i,n.image.height=r,this.createTexture(n,{sampleCount:s.parameters.sampleCount,width:i,height:r}),s.get(n).texture}updateTexture(t,e){const s=this.backend.get(t),{textureDescriptorGPU:i}=s;if(!t.isRenderTargetTexture&&void 0!==i){if(t.isDataTexture)this._copyBufferToTexture(e.image,s.texture,i,0,t.flipY);else if(t.isDataArrayTexture||t.isData3DTexture)for(let r=0;r]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,pI=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,mI={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2":"vec2","vec2":"ivec2","vec2":"uvec2","vec2":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3":"vec3","vec3":"ivec3","vec3":"uvec3","vec3":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4":"vec4","vec4":"ivec4","vec4":"uvec4","vec4":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2":"mat2",mat2x2f:"mat2","mat3x3":"mat3",mat3x3f:"mat3","mat4x4":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_2d:"texture",texture_cube:"cubeTexture",texture_depth_2d:"depthTexture",texture_storage_2d:"storageTexture",texture_3d:"texture3D"};class gI extends BC{constructor(t){const{type:e,inputs:s,name:i,inputsCode:r,blockCode:n,outputType:o}=(t=>{const e=(t=t.trim()).match(dI);if(null!==e&&4===e.length){const s=e[2],i=[];let r=null;for(;null!==(r=pI.exec(s));)i.push({name:r[1],type:r[2]});const n=[];for(let t=0;t "+this.outputType:"";return`fn ${t} ( ${this.inputsCode.trim()} ) ${e}`+this.blockCode}}class fI extends EC{parseFunction(t){return new gI(t)}}const yI=self.GPUShaderStage,xI={vertex:yI?yI.VERTEX:1,fragment:yI?yI.FRAGMENT:2,compute:yI?yI.COMPUTE:4},bI={instance:!0,swizzleAssign:!1,storageBuffer:!0},vI={"^^":"threejs_xor"},TI={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3",vec2:"vec2",ivec2:"vec2",uvec2:"vec2",bvec2:"vec2",vec3:"vec3",ivec3:"vec3",uvec3:"vec3",bvec3:"vec3",vec4:"vec4",ivec4:"vec4",uvec4:"vec4",bvec4:"vec4",mat2:"mat2x2",imat2:"mat2x2",umat2:"mat2x2",bmat2:"mat2x2",mat3:"mat3x3",imat3:"mat3x3",umat3:"mat3x3",bmat3:"mat3x3",mat4:"mat4x4",imat4:"mat4x4",umat4:"mat4x4",bmat4:"mat4x4"},_I={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"threejs_mod_float",mod_vec2:"threejs_mod_vec2",mod_vec3:"threejs_mod_vec3",mod_vec4:"threejs_mod_vec4",equals_bool:"threejs_equals_bool",equals_bvec2:"threejs_equals_bvec2",equals_bvec3:"threejs_equals_bvec3",equals_bvec4:"threejs_equals_bvec4",lessThanEqual:"threejs_lessThanEqual",greaterThan:"threejs_greaterThan",inversesqrt:"inverseSqrt",bitcast:"bitcast"},wI={threejs_xor:new Gg("\nfn threejs_xor( a : bool, b : bool ) -> bool {\n\n\treturn ( a || b ) && !( a && b );\n\n}\n"),lessThanEqual:new Gg("\nfn threejs_lessThanEqual( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x <= b.x, a.y <= b.y, a.z <= b.z );\n\n}\n"),greaterThan:new Gg("\nfn threejs_greaterThan( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x > b.x, a.y > b.y, a.z > b.z );\n\n}\n"),mod_float:new Gg("fn threejs_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Gg("fn threejs_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Gg("fn threejs_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Gg("fn threejs_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Gg("fn threejs_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Gg("fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Gg("fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Gg("fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping:new Gg("\nfn threejs_repeatWrapping( uv : vec2, dimension : vec2 ) -> vec2 {\n\n\tlet uvScaled = vec2( uv * vec2( dimension ) );\n\n\treturn ( ( uvScaled % dimension ) + dimension ) % dimension;\n\n}\n"),biquadraticTexture:new Gg("\nfn threejs_biquadraticTexture( map : texture_2d, coord : vec2f, level : i32 ) -> vec4f {\n\n\tlet res = vec2f( textureDimensions( map, level ) );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2i( iuv + vec2( 0.5, 0.5 ) ), level );\n\tlet rg2 = textureLoad( map, vec2i( iuv + vec2( 1.5, 0.5 ) ), level );\n\tlet rg3 = textureLoad( map, vec2i( iuv + vec2( 0.5, 1.5 ) ), level );\n\tlet rg4 = textureLoad( map, vec2i( iuv + vec2( 1.5, 1.5 ) ), level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")};class SI extends W_{constructor(t,e){super(t,e,new fI),this.uniformGroups={},this.builtins={}}needsColorSpaceToLinear(t){return!0===t.isVideoTexture&&t.colorSpace!==$e}_generateTextureSample(t,e,s,i,r=this.shaderStage){return"fragment"===r?i?`textureSample( ${e}, ${e}_sampler, ${s}, ${i} )`:`textureSample( ${e}, ${e}_sampler, ${s} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s):this.generateTextureLod(t,e,s,"0")}_generateVideoSample(t,e,s=this.shaderStage){if("fragment"===s)return`textureSampleBaseClampToEdge( ${t}, ${t}_sampler, vec2( ${e}.x, 1.0 - ${e}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${s} shader.`)}_generateTextureSampleLevel(t,e,s,i,r,n=this.shaderStage){return"fragment"===n&&!1===this.isUnfilterable(t)?`textureSampleLevel( ${e}, ${e}_sampler, ${s}, ${i} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s,i):this.generateTextureLod(t,e,s,i)}generateFilteredTexture(t,e,s,i="0"){return this._include("biquadraticTexture"),`threejs_biquadraticTexture( ${e}, ${s}, i32( ${i} ) )`}generateTextureLod(t,e,s,i="0"){this._include("repeatWrapping");return`textureLoad( ${e}, threejs_repeatWrapping( ${s}, ${`textureDimensions( ${e}, 0 )`} ), i32( ${i} ) )`}generateTextureLoad(t,e,s,i,r="0u"){return i?`textureLoad( ${e}, ${s}, ${i}, ${r} )`:`textureLoad( ${e}, ${s}, ${r} )`}generateTextureStore(t,e,s,i){return`textureStore( ${e}, ${s}, ${i} )`}isUnfilterable(t){return"float"!==this.getComponentTypeFromTexture(t)||!0===t.isDataTexture&&t.type===It}generateTexture(t,e,s,i,r=this.shaderStage){let n=null;return n=!0===t.isVideoTexture?this._generateVideoSample(e,s,r):this.isUnfilterable(t)?this.generateTextureLod(t,e,s,"0",i,r):this._generateTextureSample(t,e,s,i,r),n}generateTextureGrad(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${e}, ${e}_sampler, ${s}, ${i[0]}, ${i[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${e}, ${e}_sampler, ${s}, ${i} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(t,e,s,i,r,n=this.shaderStage){let o=null;return o=!0===t.isVideoTexture?this._generateVideoSample(e,s,n):this._generateTextureSampleLevel(t,e,s,i,r,n),o}getPropertyName(t,e=this.shaderStage){if(!0===t.isNodeVarying&&!0===t.needsInterpolation){if("vertex"===e)return`varyings.${t.name}`}else if(!0===t.isNodeUniform){const e=t.name,s=t.type;return"texture"===s||"cubeTexture"===s||"storageTexture"===s||"texture3D"===s?e:"buffer"===s||"storageBuffer"===s?`NodeBuffer_${t.id}.${e}`:t.groupNode.name+"."+e}return super.getPropertyName(t)}getOutputStructName(){return"output"}_getUniformGroupCount(t){return Object.keys(this.uniforms[t]).length}getFunctionOperator(t){const e=vI[t];return void 0!==e?(this._include(e),e):null}getStorageAccess(t){if(t.isStorageTextureNode)switch(t.access){case CM:return"read";case RM:return"write";default:return"read_write"}else switch(t.access){case AM:return"read_write";case NM:return"read";default:return"write"}}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);if(void 0===n.uniformGPU){let i;const o=t.groupNode,a=o.name,h=this.getBindGroupArray(a,s);if("texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e){let n=null;if("texture"===e||"storageTexture"===e?n=new AB(r.name,r.node,o,t.access?t.access:null):"cubeTexture"===e?n=new NB(r.name,r.node,o,t.access?t.access:null):"texture3D"===e&&(n=new RB(r.name,r.node,o,t.access?t.access:null)),n.store=!0===t.isStorageTextureNode,n.setVisibility(xI[s]),"fragment"===s&&!1===this.isUnfilterable(t.value)&&!1===n.store){const t=new iI(`${r.name}_sampler`,r.node,o);t.setVisibility(xI[s]),h.push(t,n),i=[t,n]}else h.push(n),i=[n]}else if("buffer"===e||"storageBuffer"===e){const r=new("storageBuffer"===e?oI:vB)(t,o);r.setVisibility(xI[s]),h.push(r),i=r}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new wB(a,o),n.setVisibility(xI[s]),t[a]=n,h.push(n)),i=this.getNodeUniform(r,e),n.addUniform(i)}n.uniformGPU=i}return r}getBuiltin(t,e,s,i=this.shaderStage){const r=this.builtins[i]||(this.builtins[i]=new Map);return!1===r.has(t)&&r.set(t,{name:t,property:e,type:s}),e}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(t){const e=t.layout,s=this.flowShaderNode(t),i=[];for(const t of e.inputs)i.push(t.name+" : "+this.getType(t.type));return`fn ${e.name}( ${i.join(", ")} ) -> ${this.getType(e.type)} {\n${s.vars}\n${s.code}\n\treturn ${s.result};\n\n}`}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4")+".xyz"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}isFlipY(){return!1}getBuiltins(t){const e=[],s=this.builtins[t];if(void 0!==s)for(const{name:t,property:i,type:r}of s.values())e.push(`@builtin( ${t} ) ${i} : ${r}`);return e.join(",\n\t")}getAttributes(t){const e=[];if("compute"===t&&this.getBuiltin("global_invocation_id","id","vec3","attribute"),"vertex"===t||"compute"===t){const t=this.getBuiltins("attribute");t&&e.push(t);const s=this.getAttributesArray();for(let t=0,i=s.length;t`)}const i=this.getBuiltins("output");return i&&e.push(i),e.join(",\n")}getStructs(t){const e=[],s=this.structs[t];for(let t=0,i=s.length;t output : ${r};\n\n`)}return e.join("\n\n")}getVar(t,e){return`var ${e} : ${this.getType(t)}`}getVars(t){const e=[],s=this.vars[t];if(void 0!==s)for(const t of s)e.push(`\t${this.getVar(t.type,t.name)};`);return`\n${e.join("\n")}\n`}getVaryings(t){const e=[];if("vertex"===t&&this.getBuiltin("position","Vertex","vec4","vertex"),"vertex"===t||"fragment"===t){const s=this.varyings,i=this.vars[t];for(let r=0;r";else if(!0===e.isDataArrayTexture)i="texture_2d_array";else if(!0===e.isDepthTexture)i="texture_depth_2d";else if(!0===e.isVideoTexture)i="texture_external";else if(!0===e.isData3DTexture)i="texture_3d";else if(!0===r.node.isStorageTextureNode){i=`texture_storage_2d<${cI(e)}, ${this.getStorageAccess(r.node)}>`}else{i=`texture_2d<${this.getComponentTypeFromTexture(e).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${r.name} : ${i};`)}else if("buffer"===r.type||"storageBuffer"===r.type){const t=r.node,e=this.getType(t.bufferType),s=t.bufferCount,n=s>0?", "+s:"",a=`\t${r.name} : array< ${e}${n} >\n`,h=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t)}`:"uniform";i.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,a,h,o.binding++,o.group))}else{const t=this.getType(this.getVectorType(r.type)),e=r.groupNode.name;(n[e]||(n[e]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${r.name} : ${t}`)}}for(const t in n){const e=n[t];r.push(this._getWGSLStructBinding(t,e.snippets.join(",\n"),"uniform",e.index,e.id))}let o=s.join("\n");return o+=i.join("\n"),o+=r.join("\n"),o}buildCode(){const t=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};for(const e in t){const s=t[e];s.uniforms=this.getUniforms(e),s.attributes=this.getAttributes(e),s.varyings=this.getVaryings(e),s.structs=this.getStructs(e),s.vars=this.getVars(e),s.codes=this.getCodes(e);let i="// code\n\n";i+=this.flowCode[e];const r=this.flowNodes[e],n=r[r.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const t of r){const r=this.getFlowData(t),h=t.name;if(h&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${h}\n\t`),i+=`${r.code}\n\t`,t===n&&"compute"!==e)if(i+="// result\n\n\t","vertex"===e)i+=`varyings.Vertex = ${r.result};`;else if("fragment"===e)if(a)s.returnType=o.nodeType,i+=`return ${r.result};`;else{let t="\t@location(0) color: vec4";const e=this.getBuiltins("output");e&&(t+=",\n\t"+e),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",t),s.structs+="\nvar output : OutputStruct;\n\n",i+=`output.color = ${r.result};\n\n\treturn output;`}}s.flow=i}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(t.vertex),this.fragmentShader=this._getWGSLFragmentCode(t.fragment)):this.computeShader=this._getWGSLComputeCode(t.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(t,e=null){let s;return null!==e&&(s=this._getWGSLMethod(t+"_"+e)),void 0===s&&(s=this._getWGSLMethod(t)),s||t}getType(t){return TI[t]||t}isAvailable(t){let e=bI[t];return void 0===e&&("float32Filterable"===t&&(e=this.renderer.hasFeature("float32-filterable")),bI[t]=e),e}_getWGSLMethod(t){return void 0!==wI[t]&&this._include(t),_I[t]}_include(t){const e=wI[t];return e.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e),e}_getWGSLVertexCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// varyings\n${t.varyings}\nvar varyings : VaryingsStruct;\n\n// codes\n${t.codes}\n\n@vertex\nfn main( ${t.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// structs\n${t.structs}\n\n// codes\n${t.codes}\n\n@fragment\nfn main( ${t.varyings} ) -> ${t.returnType} {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLComputeCode(t,e){return`${this.getSignature()}\n// system\nvar instanceIndex : u32;\n\n// uniforms\n${t.uniforms}\n\n// codes\n${t.codes}\n\n@compute @workgroup_size( ${e} )\nfn main( ${t.attributes} ) {\n\n\t// system\n\tinstanceIndex = id.x;\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLStruct(t,e){return`\nstruct ${t} {\n${e}\n};`}_getWGSLStructBinding(t,e,s,i=0,r=0){const n=t+"Struct";return`${this._getWGSLStruct(n,e)}\n@binding( ${i} ) @group( ${r} )\nvar<${s}> ${t} : ${n};`}}class MI{constructor(t){this.backend=t}getCurrentDepthStencilFormat(t){let e;return null!==t.depthTexture?e=this.getTextureFormatGPU(t.depthTexture):t.depth&&t.stencil?e=qS.Depth24PlusStencil8:t.depth&&(e=qS.Depth24Plus),e}getTextureFormatGPU(t){return this.backend.get(t).texture.format}getCurrentColorFormat(t){let e;return e=null!==t.textures?this.getTextureFormatGPU(t.textures[0]):qS.BGRA8Unorm,e}getCurrentColorSpace(t){return null!==t.textures?t.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(t,e){return t.isPoints?SS:t.isLineSegments||t.isMesh&&!0===e.wireframe?MS:t.isLine?AS:t.isMesh?NS:void 0}getSampleCount(t){return null!==t.textures?t.sampleCount:this.backend.parameters.sampleCount}}const AI=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),NI=new Map([[mn,["float16"]]]),RI=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class CI{constructor(t){this.backend=t}createAttribute(t,e){const s=this._getBufferAttribute(t),i=this.backend,r=i.get(s);let n=r.buffer;if(void 0===n){const o=i.device;let a=s.array;if(!1===t.normalized&&(a.constructor===Int16Array||a.constructor===Uint16Array)){const t=new Uint32Array(a.length);for(let e=0;e1&&(e=Math.pow(2,Math.floor(Math.log2(e))),2===e&&(e=4)),e}createRenderPipeline(t,e){const{object:s,material:i,geometry:r,pipeline:n}=t,{vertexProgram:o,fragmentProgram:a}=n,h=this.backend,l=h.device,u=h.utils,c=h.get(n),d=[];for(const e of t.getBindings()){const t=h.get(e);d.push(t.layout)}const p=h.attributeUtils.createShaderVertexBuffers(t);let g;!0===i.transparent&&i.blending!==m&&(g=this._getBlending(i));let f={};!0===i.stencilWrite&&(f={compare:this._getStencilCompare(i),failOp:this._getStencilOperation(i.stencilFail),depthFailOp:this._getStencilOperation(i.stencilZFail),passOp:this._getStencilOperation(i.stencilZPass)});const y=this._getColorWriteMask(i),x=[];if(null!==t.context.textures){const e=t.context.textures;for(let t=0;t{l.createRenderPipelineAsync(M).then((e=>{c.pipeline=e,t()}))}));e.push(t)}}createBundleEncoder(t,e){const s=this.backend,{utils:i,device:r}=s,n=s.get(t),o=s.get(e),a=i.getCurrentDepthStencilFormat(t),h={label:"renderBundleEncoder",colorFormats:[i.getCurrentColorFormat(t)],depthStencilFormat:a,sampleCount:this._getSampleCount(e.context)},l=r.createRenderBundleEncoder(h);return o.bundleEncoder=l,n.currentSets={attributes:{}},n._renderBundleViewport=t.width+"_"+t.height,l}createComputePipeline(t,e){const s=this.backend,i=s.device,r=s.get(t.computeProgram).module,n=s.get(t),o=[];for(const t of e){const e=s.get(t);o.push(e.layout)}n.pipeline=i.createComputePipeline({compute:r,layout:i.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(t){let e,s;const i=t.blending,r=t.blendSrc,n=t.blendDst,o=t.blendEquation;if(5===i){const i=null!==t.blendSrcAlpha?t.blendSrcAlpha:r,a=null!==t.blendDstAlpha?t.blendDstAlpha:n,h=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;e={srcFactor:this._getBlendFactor(r),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},s={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(h)}}else{const r=(t,i,r,n)=>{e={srcFactor:t,dstFactor:i,operation:cM},s={srcFactor:r,dstFactor:n,operation:cM}};if(t.premultipliedAlpha)switch(i){case 1:r(sM,iM,KS,iM);break;case 2:r(sM,KS,KS,KS);break;case 3:r(QS,eM,QS,KS);break;case 4:r(QS,tM,QS,sM)}else switch(i){case 1:r(sM,iM,KS,iM);break;case 2:r(sM,KS,sM,KS);break;case 3:r(QS,eM,QS,KS);break;case 4:r(QS,tM,QS,tM)}}if(void 0!==e&&void 0!==s)return{color:e,alpha:s};console.error("THREE.WebGPURenderer: Invalid blending: ",i)}_getBlendFactor(t){let e;switch(t){case 200:e=QS;break;case 201:e=KS;break;case 202:e=tM;break;case 203:e=eM;break;case C:e=sM;break;case E:e=iM;break;case 208:e=rM;break;case 209:e=nM;break;case 206:e=oM;break;case 207:e=aM;break;case 210:e=hM;break;case 211:e=lM;break;case 212:e=uM;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",t)}return e}_getStencilCompare(t){let e;const s=t.stencilFunc;switch(s){case 512:e=CS;break;case ys:e=OS;break;case 513:e=ES;break;case 515:e=IS;break;case 514:e=BS;break;case 518:e=US;break;case 516:e=PS;break;case 517:e=FS;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",s)}return e}_getStencilOperation(t){let e;switch(t){case is:e=xM;break;case 0:e=bM;break;case 7681:e=vM;break;case 5386:e=TM;break;case 7682:e=_M;break;case 7683:e=wM;break;case 34055:e=SM;break;case 34056:e=MM;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",e)}return e}_getBlendOperation(t){let e;switch(t){case v:e=cM;break;case 101:e=dM;break;case 102:e=pM;break;case 103:e=mM;break;case 104:e=gM;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",t)}return e}_getPrimitiveState(t,e,s){const i={},r=this.backend.utils;switch(i.topology=r.getPrimitiveTopology(t,s),null!==e.index&&!0===t.isLine&&!0!==t.isLineSegments&&(i.stripIndexFormat=e.index.array instanceof Uint16Array?jS:HS),s.side){case c:i.frontFace=DS,i.cullMode=WS;break;case d:i.frontFace=DS,i.cullMode=GS;break;case 2:i.frontFace=DS,i.cullMode=kS;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",s.side)}return i}_getColorWriteMask(t){return!0===t.colorWrite?yM:fM}_getDepthCompare(t){let e;if(!1===t.depthTest)e=OS;else{const s=t.depthFunc;switch(s){case 0:e=CS;break;case 1:e=OS;break;case 2:e=ES;break;case 3:e=IS;break;case 4:e=BS;break;case 5:e=US;break;case 6:e=PS;break;case 7:e=FS;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",s)}}return e}}class II extends zB{constructor(t={}){super(t),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===t.alpha||t.alpha,this.parameters.antialias=!0===t.antialias,!0===this.parameters.antialias?this.parameters.sampleCount=void 0===t.sampleCount?4:t.sampleCount:this.parameters.sampleCount=1,this.parameters.requiredLimits=void 0===t.requiredLimits?{}:t.requiredLimits,this.trackTimestamp=!0===t.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new MI(this),this.attributeUtils=new CI(this),this.bindingUtils=new EI(this),this.pipelineUtils=new BI(this),this.textureUtils=new uI(this),this.occludedResolveCache=new Map}async init(t){await super.init(t);const e=this.parameters;let s;if(void 0===e.device){const t={powerPreference:e.powerPreference},i=await navigator.gpu.requestAdapter(t);if(null===i)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const r=Object.values(WM),n=[];for(const t of r)i.features.has(t)&&n.push(t);const o={requiredFeatures:n,requiredLimits:e.requiredLimits};s=await i.requestDevice(o)}else s=e.device;const i=void 0!==e.context?e.context:t.domElement.getContext("webgpu");this.device=s,this.context=i;const r=e.alpha?"premultiplied":"opaque";this.context.configure({device:this.device,format:qS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:r}),this.updateSize()}get coordinateSystem(){return Ls}async getArrayBufferAsync(t){return await this.attributeUtils.getArrayBufferAsync(t)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let t=this.defaultRenderPassdescriptor;const e=this.parameters.antialias;if(null===t){const s=this.renderer;t={colorAttachments:[{view:null}],depthStencilAttachment:{view:this.textureUtils.getDepthBuffer(s.depth,s.stencil).createView()}};const i=t.colorAttachments[0];!0===e?i.view=this.colorBuffer.createView():i.resolveTarget=void 0,this.defaultRenderPassdescriptor=t}const s=t.colorAttachments[0];return!0===e?s.resolveTarget=this.context.getCurrentTexture().createView():s.view=this.context.getCurrentTexture().createView(),t}_getRenderPassDescriptor(t){const e=t.renderTarget,s=this.get(e);let i=s.descriptors;void 0===i&&(i=[],s.descriptors=i),s.width===e.width&&s.height===e.height&&s.activeMipmapLevel===e.activeMipmapLevel&&s.samples===e.samples||(i.length=0);let r=i[t.activeCubeFace];if(void 0===r){const n=t.textures,o=[];for(let e=0;e0&&(e.currentOcclusionQuerySet&&e.currentOcclusionQuerySet.destroy(),e.currentOcclusionQueryBuffer&&e.currentOcclusionQueryBuffer.destroy(),e.currentOcclusionQuerySet=e.occlusionQuerySet,e.currentOcclusionQueryBuffer=e.occlusionQueryBuffer,e.currentOcclusionQueryObjects=e.occlusionQueryObjects,r=s.createQuerySet({type:"occlusion",count:i}),e.occlusionQuerySet=r,e.occlusionQueryIndex=0,e.occlusionQueryObjects=new Array(i),e.lastOcclusionObject=null),n=null===t.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(t),this.initTimestampQuery(t,n),n.occlusionQuerySet=r;const o=n.depthStencilAttachment;if(null!==t.textures){const e=n.colorAttachments;for(let s=0;s0&&(e.registerBundlesPhase=!1,e.currentPass.executeBundles(e.renderBundles)),s>e.occlusionQueryIndex&&e.currentPass.endOcclusionQuery(),e.currentPass.end(),s>0){const i=8*s;let r=this.occludedResolveCache.get(i);void 0===r&&(r=this.device.createBuffer({size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(i,r));const n=this.device.createBuffer({size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});e.encoder.resolveQuerySet(e.occlusionQuerySet,0,s,r,0),e.encoder.copyBufferToBuffer(r,0,n,0,i),e.occlusionQueryBuffer=n,this.resolveOccludedAsync(t)}if(this.prepareTimestampBuffer(t,e.encoder),this.device.queue.submit([e.encoder.finish()]),null!==t.textures){const e=t.textures;for(let t=0;t1?0:s;g.drawIndexed(e[s]/n,i,t[s]/4,0,o)}}else if(!0===y){const t=b.count!==1/0?b.count:f.count;g.drawIndexed(t,T,v,0,0),e.update(s,t,T)}else{const t=i.attributes.position,r=b.count!==1/0?b.count:t.count;g.draw(r,T,v,0),e.update(s,r,T)}if(this.renderer._currentRenderBundle){const t=g.finish();u.lastPipelineGPU=h,u.renderBundle=t,u.bundleEncoder=g}}}needsRenderUpdate(t){const e=this.get(t),{object:s,material:i}=t,r=this.utils,n=r.getSampleCount(t.context),o=r.getCurrentColorSpace(t.context),a=r.getCurrentColorFormat(t.context),h=r.getCurrentDepthStencilFormat(t.context),l=r.getPrimitiveTopology(s,i);let u=!1;return e.material===i&&e.materialVersion===i.version&&e.transparent===i.transparent&&e.blending===i.blending&&e.premultipliedAlpha===i.premultipliedAlpha&&e.blendSrc===i.blendSrc&&e.blendDst===i.blendDst&&e.blendEquation===i.blendEquation&&e.blendSrcAlpha===i.blendSrcAlpha&&e.blendDstAlpha===i.blendDstAlpha&&e.blendEquationAlpha===i.blendEquationAlpha&&e.colorWrite===i.colorWrite&&e.depthWrite===i.depthWrite&&e.depthTest===i.depthTest&&e.depthFunc===i.depthFunc&&e.stencilWrite===i.stencilWrite&&e.stencilFunc===i.stencilFunc&&e.stencilFail===i.stencilFail&&e.stencilZFail===i.stencilZFail&&e.stencilZPass===i.stencilZPass&&e.stencilFuncMask===i.stencilFuncMask&&e.stencilWriteMask===i.stencilWriteMask&&e.side===i.side&&e.alphaToCoverage===i.alphaToCoverage&&e.sampleCount===n&&e.colorSpace===o&&e.colorFormat===a&&e.depthStencilFormat===h&&e.primitiveTopology===l&&e.clippingContextVersion===t.clippingContextVersion||(e.material=i,e.materialVersion=i.version,e.transparent=i.transparent,e.blending=i.blending,e.premultipliedAlpha=i.premultipliedAlpha,e.blendSrc=i.blendSrc,e.blendDst=i.blendDst,e.blendEquation=i.blendEquation,e.blendSrcAlpha=i.blendSrcAlpha,e.blendDstAlpha=i.blendDstAlpha,e.blendEquationAlpha=i.blendEquationAlpha,e.colorWrite=i.colorWrite,e.depthWrite=i.depthWrite,e.depthTest=i.depthTest,e.depthFunc=i.depthFunc,e.stencilWrite=i.stencilWrite,e.stencilFunc=i.stencilFunc,e.stencilFail=i.stencilFail,e.stencilZFail=i.stencilZFail,e.stencilZPass=i.stencilZPass,e.stencilFuncMask=i.stencilFuncMask,e.stencilWriteMask=i.stencilWriteMask,e.side=i.side,e.alphaToCoverage=i.alphaToCoverage,e.sampleCount=n,e.colorSpace=o,e.colorFormat=a,e.depthStencilFormat=h,e.primitiveTopology=l,e.clippingContextVersion=t.clippingContextVersion,u=!0),u}getRenderCacheKey(t){const{object:e,material:s}=t,i=this.utils,r=t.context;return[s.transparent,s.blending,s.premultipliedAlpha,s.blendSrc,s.blendDst,s.blendEquation,s.blendSrcAlpha,s.blendDstAlpha,s.blendEquationAlpha,s.colorWrite,s.depthWrite,s.depthTest,s.depthFunc,s.stencilWrite,s.stencilFunc,s.stencilFail,s.stencilZFail,s.stencilZPass,s.stencilFuncMask,s.stencilWriteMask,s.side,i.getSampleCount(r),i.getCurrentColorSpace(r),i.getCurrentColorFormat(r),i.getCurrentDepthStencilFormat(r),i.getPrimitiveTopology(e,s),t.clippingContextVersion].join()}createSampler(t){this.textureUtils.createSampler(t)}destroySampler(t){this.textureUtils.destroySampler(t)}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}initTimestampQuery(t,e){if(!this.hasFeature(WM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(!s.timeStampQuerySet){const t=this.device.createQuerySet({type:"timestamp",count:2}),i={querySet:t,beginningOfPassWriteIndex:0,endOfPassWriteIndex:1};Object.assign(e,{timestampWrites:i}),s.timeStampQuerySet=t}}prepareTimestampBuffer(t,e){if(!this.hasFeature(WM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t),i=2*BigInt64Array.BYTES_PER_ELEMENT;void 0===s.currentTimestampQueryBuffers&&(s.currentTimestampQueryBuffers={resolveBuffer:this.device.createBuffer({label:"timestamp resolve buffer",size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),resultBuffer:this.device.createBuffer({label:"timestamp result buffer",size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),isMappingPending:!1});const{resolveBuffer:r,resultBuffer:n,isMappingPending:o}=s.currentTimestampQueryBuffers;!0!==o&&(e.resolveQuerySet(s.timeStampQuerySet,0,2,r,0),e.copyBufferToBuffer(r,0,n,0,i))}async resolveTimestampAsync(t,e="render"){if(!this.hasFeature(WM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(void 0===s.currentTimestampQueryBuffers)return;const{resultBuffer:i,isMappingPending:r}=s.currentTimestampQueryBuffers;!0!==r&&(s.currentTimestampQueryBuffers.isMappingPending=!0,i.mapAsync(GPUMapMode.READ).then((()=>{const t=new BigUint64Array(i.getMappedRange()),r=Number(t[1]-t[0])/1e6;this.renderer.info.updateTimestamp(e,r),i.unmap(),s.currentTimestampQueryBuffers.isMappingPending=!1})))}createNodeBuilder(t,e){return new SI(t,e)}createProgram(t){this.get(t).module={module:this.device.createShaderModule({code:t.code,label:t.stage}),entryPoint:"main"}}destroyProgram(t){this.delete(t)}createRenderPipeline(t,e){this.pipelineUtils.createRenderPipeline(t,e)}createComputePipeline(t,e){this.pipelineUtils.createComputePipeline(t,e)}createBundleEncoder(t,e){return this.pipelineUtils.createBundleEncoder(t,e)}createBindings(t){this.bindingUtils.createBindings(t)}updateBindings(t){this.bindingUtils.createBindings(t)}updateBinding(t){this.bindingUtils.updateBinding(t)}createIndexAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(t){this.attributeUtils.updateAttribute(t)}destroyAttribute(t){this.attributeUtils.destroyAttribute(t)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(t){return this.device.features.has(t)}copyTextureToTexture(t,e,s=null,i=null,r=0){let n=0,o=0,a=0,h=0,l=t.image.width,u=t.image.height;null!==s&&(a=s.x,h=s.y,l=s.width,u=s.height),null!==i&&(n=i.x,o=i.y);const c=this.device.createCommandEncoder({label:"copyTextureToTexture_"+t.id+"_"+e.id}),d=this.get(t).texture,p=this.get(e).texture;c.copyTextureToTexture({texture:d,mipLevel:r,origin:{x:a,y:h,z:0}},{texture:p,mipLevel:r,origin:{x:n,y:o,z:0}},[l,u]),this.device.queue.submit([c.finish()])}copyFramebufferToTexture(t,e){const s=this.get(e),{encoder:i,descriptor:r}=s;let n=null;n=e.renderTarget?t.isDepthTexture?this.get(e.depthTexture).texture:this.get(e.textures[0]).texture:t.isDepthTexture?this.textureUtils.getDepthBuffer(e.depth,e.stencil):this.context.getCurrentTexture();const o=this.get(t).texture;n.format===o.format?(s.currentPass.end(),i.copyTextureToTexture({texture:n,origin:{x:0,y:0,z:0}},{texture:o},[t.image.width,t.image.height]),t.generateMipmaps&&this.textureUtils.generateMipmaps(t),r.colorAttachments[0].loadOp=LS,e.depth&&(r.depthStencilAttachment.depthLoadOp=LS),e.stencil&&(r.depthStencilAttachment.stencilLoadOp=LS),s.currentPass=i.beginRenderPass(r),s.currentSets={attributes:{}}):console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",n.format,o.format)}}class PI extends gB{constructor(t={}){let e;t.forceWebGL?e=eI:xd.isAvailable()?e=II:(e=eI,console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."));super(new e(t),t),this.isWebGPURenderer=!0}}const FI=new tN(new XT);class UI{constructor(t,e=gm(0,0,1,1)){this.renderer=t,this.outputNode=e}render(){FI.material.fragmentNode=this.outputNode,FI.render(this.renderer)}renderAsync(){return FI.material.fragmentNode=this.outputNode,FI.renderAsync(this.renderer)}set needsUpdate(t){FI.material.needsUpdate=t}}class OI extends bi{constructor(t=1,e=1){super(),this.image={width:t,height:e},this.magFilter=Tt,this.minFilter=Tt,this.isStorageTexture=!0}}class zI extends on{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageBufferAttribute=!0}}class LI extends Go{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageInstancedBufferAttribute=!0}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{et as ACESFilmicToneMapping,Av as AONode,v as AddEquation,J as AddOperation,Ve as AdditiveAnimationBlendMode,f as AdditiveBlending,aN as AfterImageNode,it as AgXToneMapping,Lt as AlphaFormat,Ms as AlwaysCompare,k as AlwaysDepth,ys as AlwaysStencilFunc,Cu as AmbientLight,sR as AmbientLightNode,vv as AnalyticLightNode,uN as AnamorphicNode,bc as AnimationAction,Ql as AnimationClip,au as AnimationLoader,Tc as AnimationMixer,xc as AnimationObjectGroup,Vl as AnimationUtils,th as ArcCurve,Yu as ArrayCamera,up as ArrayElementNode,pd as ArrowHelper,Om as AssignNode,nt as AttachedBindMode,Dm as AttributeNode,ic as Audio,lc as AudioAnalyser,Wu as AudioContext,sc as AudioListener,ju as AudioLoader,md as AxesHelper,OR as BRDF_GGX,TR as BRDF_Lambert,d as BackSide,We as BasicDepthPacking,a as BasicShadowMap,tv as BatchNode,_a as BatchedMesh,nA as BlendModeNode,zo as Bone,Hl as BooleanKeyframeTrack,Fc as Box2,Bi as Box3,hd as Box3Helper,Wn as BoxGeometry,ad as BoxHelper,hv as Break,on as BufferAttribute,kb as BufferAttributeNode,wn as BufferGeometry,Ou as BufferGeometryLoader,rx as BufferNode,dA as BumpMapNode,Gm as BypassNode,Nt as ByteType,tu as Cache,jm as CacheNode,qn as Camera,rd as CameraHelper,Ja as CanvasTexture,Th as CapsuleGeometry,oh as CatmullRomCurve3,nR as CheckerNode,tt as CineonToneMapping,_h as CircleGeometry,mt as ClampToEdgeWrapping,Ju as Clock,Gg as CodeNode,$r as Color,yA as ColorAdjustmentNode,ql as ColorKeyframeTrack,ui as ColorManagement,jy as ColorSpaceNode,Xa as CompressedArrayTexture,Ya as CompressedCubeTexture,$a as CompressedTexture,hu as CompressedTextureLoader,GN as ComputeNode,Dv as CondNode,Sh as ConeGeometry,yp as ConstNode,L as ConstantAlphaFactor,O as ConstantColorFactor,qm as ContextNode,av as Continue,cp as ConvertNode,Qn as CubeCamera,ht as CubeReflectionMapping,lt as CubeRefractionMapping,Kn as CubeTexture,uu as CubeTextureLoader,fv as CubeTextureNode,dt as CubeUVReflectionMapping,uh as CubicBezierCurve,ch as CubicBezierCurve3,kl as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,o as CullFaceFrontBack,i as CullFaceNone,Qa as Curve,xh as CurvePath,b as CustomBlending,st as CustomToneMapping,wh as CylinderGeometry,Ic as Cylindrical,zR as DFGApprox,PR as D_GGX,Mi as Data3DTexture,wi as DataArrayTexture,Lo as DataTexture,cu as DataTextureLoader,sn as DataUtils,os as DecrementStencilOp,hs as DecrementWrapStencilOp,su as DefaultLoadingManager,Wt as DepthFormat,mN as DepthOfFieldNode,jt as DepthStencilFormat,Za as DepthTexture,ot as DetachedBindMode,Ru as DirectionalLight,ed as DirectionalLightHelper,XN as DirectionalLightNode,nw as DiscardNode,Wl as DiscreteInterpolant,Je as DisplayP3ColorSpace,Ah as DodecahedronGeometry,yN as DotScreenNode,p as DoubleSide,B as DstAlphaFactor,P as DstColorFactor,Ps as DynamicCopyUsage,Ns as DynamicDrawUsage,Es as DynamicReadUsage,If as EPSILON,Bh as EdgesGeometry,Ka as EllipseCurve,pT as EnvironmentNode,vs as EqualCompare,j as EqualDepth,ds as EqualStencilFunc,m_ as EquirectUVNode,ut as EquirectangularReflectionMapping,ct as EquirectangularRefractionMapping,mr as Euler,Vs as EventDispatcher,Jy as ExpressionNode,al as ExtrudeGeometry,vR as F_Schlick,ou as FileLoader,TN as FilmNode,mn as Float16BufferAttribute,gn as Float32BufferAttribute,It as FloatType,so as Fog,eo as FogExp2,ON as FogExp2Node,IN as FogNode,FN as FogRangeNode,qa as FramebufferTexture,jT as FrontFacingNode,c as FrontSide,ia as Frustum,wN as FunctionCallNode,$g as FunctionNode,lw as FunctionOverloadingNode,Ac as GLBufferAttribute,Us as GLSL1,Os as GLSL3,OC as GLSLNodeParser,iN as GaussianBlurNode,_s as GreaterCompare,q as GreaterDepth,Ss as GreaterEqualCompare,H as GreaterEqualDepth,fs as GreaterEqualStencilFunc,ms as GreaterStencilFunc,Jc as GridHelper,ja as Group,Pt as HalfFloatType,Y_ as HashNode,mu as HemisphereLight,Yc as HemisphereLightHelper,iR as HemisphereLightNode,tR as IESSpotLight,eR as IESSpotLightNode,Pf as INFINITY,ll as IcosahedronGeometry,tm as If,ku as ImageBitmapLoader,lu as ImageLoader,mi as ImageUtils,ns as IncrementStencilOp,as as IncrementWrapStencilOp,Ym as IndexNode,qb as InstanceNode,Go as InstancedBufferAttribute,Uu as InstancedBufferGeometry,Mc as InstancedInterleavedBuffer,Jo as InstancedMesh,lR as InstancedPointsNodeMaterial,un as Int16BufferAttribute,dn as Int32BufferAttribute,an as Int8BufferAttribute,Et as IntType,ro as InterleavedBuffer,oo as InterleavedBufferAttribute,Dl as Interpolant,Ie as InterpolateDiscrete,Pe as InterpolateLinear,Fe as InterpolateSmooth,ls as InvertStencilOp,fT as IrradianceNode,dp as JoinNode,is as KeepStencilOp,jl as KeyframeTrack,Ao as LOD,vh as LatheGeometry,gr as Layers,bs as LessCompare,G as LessDepth,Ts as LessEqualCompare,W as LessEqualDepth,ps as LessEqualStencilFunc,cs as LessStencilFunc,pu as Light,jN as LightNode,Iu as LightProbe,Nv as LightingContextNode,Km as LightingModel,xv as LightingNode,_v as LightsNode,Ba as Line,gR as Line2NodeMaterial,zc as Line3,wa as LineBasicMaterial,cR as LineBasicNodeMaterial,dh as LineCurve,ph as LineCurve3,Pl as LineDashedMaterial,pR as LineDashedNodeMaterial,Oa as LineLoop,Ua as LineSegments,Ze as LinearDisplayP3ColorSpace,Tt as LinearFilter,Gl as LinearInterpolant,Mt as LinearMipMapLinearFilter,wt as LinearMipMapNearestFilter,St as LinearMipmapLinearFilter,_t as LinearMipmapNearestFilter,Ye as LinearSRGBColorSpace,Q as LinearToneMapping,Qe as LinearTransfer,iu as Loader,Fu as LoaderUtils,eu as LoadingManager,nv as LoopNode,Ce as LoopOnce,Be as LoopPingPong,Ee as LoopRepeat,Gt as LuminanceAlphaFormat,kt as LuminanceFormat,e as MOUSE,dw as MatcapUVNode,Jr as Material,Pu as MaterialLoader,Jx as MaterialNode,px as MaterialReferenceNode,Bf as MathNode,Js as MathUtils,Qs as Matrix3,rr as Matrix4,S as MaxEquation,Qy as MaxMipLevelNode,kn as Mesh,Zr as MeshBasicMaterial,bR as MeshBasicNodeMaterial,El as MeshDepthMaterial,Bl as MeshDistanceMaterial,Cl as MeshLambertMaterial,AR as MeshLambertNodeMaterial,Il as MeshMatcapMaterial,xC as MeshMatcapNodeMaterial,Rl as MeshNormalMaterial,yR as MeshNormalNodeMaterial,Al as MeshPhongMaterial,RR as MeshPhongNodeMaterial,Ml as MeshPhysicalMaterial,uC as MeshPhysicalNodeMaterial,dC as MeshSSSNodeMaterial,Sl as MeshStandardMaterial,hC as MeshStandardNodeMaterial,Nl as MeshToonMaterial,fC as MeshToonNodeMaterial,w as MinEquation,gt as MirroredRepeatWrapping,Y as MixOperation,Px as ModelNode,Vb as ModelViewProjectionNode,dv as MorphNode,x as MultiplyBlending,X as MultiplyOperation,ft as NearestFilter,vt as NearestMipMapLinearFilter,xt as NearestMipMapNearestFilter,bt as NearestMipmapLinearFilter,yt as NearestMipmapNearestFilter,rt as NeutralToneMapping,xs as NeverCompare,D as NeverDepth,us as NeverStencilFunc,m as NoBlending,$e as NoColorSpace,Z as NoToneMapping,op as Node,sg as NodeAttribute,W_ as NodeBuilder,lg as NodeCache,og as NodeCode,j_ as NodeFrame,H_ as NodeFunctionInput,ag as NodeKeywords,aR as NodeLoader,XT as NodeMaterial,RC as NodeMaterialLoader,CC as NodeObjectLoader,jd as NodeShaderStage,qd as NodeType,ig as NodeUniform,Hd as NodeUpdateType,ip as NodeUtils,rg as NodeVar,ng as NodeVarying,Le as NormalAnimationBlendMode,g as NormalBlending,MA as NormalMapNode,ws as NotEqualCompare,$ as NotEqualDepth,gs as NotEqualStencilFunc,$l as NumberKeyframeTrack,Br as Object3D,Mx as Object3DNode,zu as ObjectLoader,qe as ObjectSpaceNormalMap,ul as OctahedronGeometry,A as OneFactor,V as OneMinusConstantAlphaFactor,z as OneMinusConstantColorFactor,I as OneMinusDstAlphaFactor,F as OneMinusDstColorFactor,E as OneMinusSrcAlphaFactor,R as OneMinusSrcColorFactor,lf as OperatorNode,Au as OrthographicCamera,bw as OscNode,$_ as OutputStructNode,es as P3Primaries,h as PCFShadowMap,l as PCFSoftShadowMap,Ff as PI,Uf as PI2,B_ as PMREMGenerator,uT as PMREMNode,Sw as PackingNode,Dg as ParameterNode,XA as PassNode,bh as Path,Jn as PerspectiveCamera,SR as PhongLightingModel,oC as PhysicalLightingModel,ta as Plane,cl as PlaneGeometry,ld as PlaneHelper,Mu as PointLight,Hc as PointLightHelper,$N as PointLightNode,bS as PointUVNode,Ga as Points,za as PointsMaterial,vC as PointsNodeMaterial,Zc as PolarGridHelper,Mh as PolyhedronGeometry,hc as PositionalAudio,UI as PostProcessing,NA as PosterizeNode,yc as PropertyBinding,uc as PropertyMixer,ug as PropertyNode,tN as QuadMesh,mh as QuadraticBezierCurve,gh as QuadraticBezierCurve3,Ni as Quaternion,Yl as QuaternionKeyframeTrack,Xl as QuaternionLinearInterpolant,Ne as RED_GREEN_RGTC2_Format,Me as RED_RGTC1_Format,t as REVISION,je as RGBADepthPacking,Dt as RGBAFormat,Jt as RGBAIntegerFormat,be as RGBA_ASTC_10x10_Format,fe as RGBA_ASTC_10x5_Format,ye as RGBA_ASTC_10x6_Format,xe as RGBA_ASTC_10x8_Format,ve as RGBA_ASTC_12x10_Format,Te as RGBA_ASTC_12x12_Format,he as RGBA_ASTC_4x4_Format,le as RGBA_ASTC_5x4_Format,ue as RGBA_ASTC_5x5_Format,ce as RGBA_ASTC_6x5_Format,de as RGBA_ASTC_6x6_Format,pe as RGBA_ASTC_8x5_Format,me as RGBA_ASTC_8x6_Format,ge as RGBA_ASTC_8x8_Format,_e as RGBA_BPTC_Format,ae as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,ie as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Vt as RGBFormat,Yt as RGBIntegerFormat,bN as RGBShiftNode,we as RGB_BPTC_SIGNED_Format,Se as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,oe as RGB_ETC2_Format,se as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,Zt as RGB_S3TC_DXT1_Format,$t as RGFormat,Xt as RGIntegerFormat,DN as RangeNode,wl as RawShaderMaterial,ir as Ray,Rc as Raycaster,ts as Rec709Primaries,Eu as RectAreaLight,QN as RectAreaLightNode,Ht as RedFormat,qt as RedIntegerFormat,ux as ReferenceNode,eS as ReflectorNode,K as ReinhardToneMapping,Nw as RemapNode,Ti as RenderTarget,nS as RendererReferenceNode,pt as RepeatWrapping,rs as ReplaceStencilOp,hw as Return,_ as ReverseSubtractEquation,dl as RingGeometry,Iw as RotateNode,Ew as RotateUVNode,Re as SIGNED_RED_GREEN_RGTC2_Format,Ae as SIGNED_RED_RGTC1_Format,Xe as SRGBColorSpace,Ke as SRGBTransfer,io as Scene,TS as SceneNode,VR as Schlick_to_F0,EN as ScriptableNode,MN as ScriptableValueNode,gp as SetNode,Hn as ShaderMaterial,Hp as ShaderNode,_l as ShadowMaterial,MC as ShadowNodeMaterial,Ih as Shape,pl as ShapeGeometry,gd as ShapePath,rl as ShapeUtils,Rt as ShortType,ko as Skeleton,Wc as SkeletonHelper,Oo as SkinnedMesh,sv as SkinningNode,dN as SobelOperatorNode,fi as Source,Yi as Sphere,ml as SphereGeometry,Bc as Spherical,Bu as SphericalHarmonics3,fh as SplineCurve,mp as SplitNode,vu as SpotLight,Vc as SpotLightHelper,KN as SpotLightNode,_o as Sprite,ao as SpriteMaterial,_C as SpriteNodeMaterial,Fw as SpriteSheetUVNode,C as SrcAlphaFactor,U as SrcAlphaSaturateFactor,N as SrcColorFactor,d_ as StackNode,Is as StaticCopyUsage,As as StaticDrawUsage,Cs as StaticReadUsage,Xu as StereoCamera,Ow as StorageArrayElementNode,zI as StorageBufferAttribute,jM as StorageBufferNode,LI as StorageInstancedBufferAttribute,OI as StorageTexture,$M as StorageTextureNode,Fs as StreamCopyUsage,Rs as StreamDrawUsage,Bs as StreamReadUsage,Jl as StringKeyframeTrack,T as SubtractEquation,y as SubtractiveBlending,Ov as TBNViewMatrix,s as TOUCH,He as TangentSpaceNormalMap,lp as TempNode,gl as TetrahedronGeometry,bi as Texture,ZM as Texture3DNode,yS as TextureBicubicNode,du as TextureLoader,tx as TextureNode,af as TextureSizeNode,mw as TimerNode,DA as ToneMappingNode,fl as TorusGeometry,yl as TorusKnotGeometry,Gr as Triangle,Ge as TriangleFanDrawMode,ke as TriangleStripDrawMode,De as TrianglesDrawMode,Lw as TriplanarTexturesNode,xl as TubeGeometry,at as UVMapping,cn as Uint16BufferAttribute,pn as Uint32BufferAttribute,hn as Uint8BufferAttribute,ln as Uint8ClampedBufferAttribute,_c as Uniform,Zg as UniformGroupNode,rf as UniformNode,Sc as UniformsGroup,ax as UniformsNode,At as UnsignedByteType,Ot as UnsignedInt248Type,zt as UnsignedInt5999Type,Bt as UnsignedIntType,Ft as UnsignedShort4444Type,Ut as UnsignedShort5551Type,Ct as UnsignedShortType,KM as UserDataNode,u as VSMShadowMap,BR as V_GGX_SmithCorrelated,tg as VarNode,Lm as VaryingNode,Zs as Vector2,Ri as Vector3,vi as Vector4,Zl as VectorKeyframeTrack,iS as VertexColorNode,Ha as VideoTexture,FT as ViewportDepthNode,IT as ViewportDepthTextureNode,bT as ViewportNode,jA as ViewportSharedTextureNode,RT as ViewportTextureNode,AC as VolumeNodeMaterial,Ai as WebGL3DRenderTarget,Si as WebGLArrayRenderTarget,zs as WebGLCoordinateSystem,to as WebGLCubeRenderTarget,fd as WebGLMultipleRenderTargets,_i as WebGLRenderTarget,Ls as WebGPUCoordinateSystem,PI as WebGPURenderer,bl as WireframeGeometry,ze as WrapAroundEnding,Ue as ZeroCurvatureEnding,M as ZeroFactor,Oe as ZeroSlopeEnding,ss as ZeroStencilOp,iy as abs,ey as acos,uf as add,Mv as addLightNode,ap as addNodeClass,vp as addNodeElement,YT as addNodeMaterial,hN as afterImage,Of as all,wg as alphaT,cN as anamorphic,Tf as and,Sg as anisotropy,Ag as anisotropyB,Mg as anisotropyT,zf as any,em as append,Im as arrayBuffer,ty as asin,zm as assign,sy as atan,fy as atan2,km as attribute,_S as backgroundBlurriness,wS as backgroundIntensity,ev as batch,Mf as bitAnd,Af as bitNot,Nf as bitOr,Rf as bitXor,Ev as bitangentGeometry,Bv as bitangentLocal,Iv as bitangentView,Pv as bitangentWorld,my as bitcast,aT as blur,_m as bmat2,Am as bmat3,Em as bmat4,om as bool,nx as buffer,Gb as bufferAttribute,pA as bumpMap,oA as burn,um as bvec2,mm as bvec3,xm as bvec4,Wm as bypass,Hm as cache,SN as call,yx as cameraFar,xx as cameraLogDepth,fx as cameraNear,wx as cameraNormalMatrix,Sx as cameraPosition,bx as cameraProjectionMatrix,vx as cameraProjectionMatrixInverse,Tx as cameraViewMatrix,_x as cameraWorldMatrix,By as cbrt,Xf as ceil,oR as checker,Fy as clamp,fg as clearcoat,yg as clearcoatRoughness,Wg as code,sm as color,$y as colorSpaceToLinear,Aw as colorToDirection,WN as compute,kv as cond,$m as context,Fm as convert,Qf as cos,ii as createCanvasElement,hp as createNodeFromType,JT as createNodeMaterialFromType,My as cross,yv as cubeTexture,hy as dFdx,ly as dFdy,Bg as dashSize,Xd as defaultBuildStages,$d as defaultShaderStages,Wp as defined,Df as degrees,zN as densityFog,DT as depth,ZA as depthPass,wy as difference,pg as diffuseColor,Mw as directionToColor,aw as discard,_y as distance,pf as div,aA as dodge,gN as dof,Sy as dot,xN as dotScreen,Qm as drawIndex,Wb as dynamicBufferAttribute,Pm as element,gf as equal,Lf as equals,g_ as equirectUV,kf as exp,Gf as exp2,Zy as expression,qT as faceDirection,Ly as faceForward,_N as film,im as float,$f as floor,PN as fog,Jf as fract,tf as frameGroup,xw as frameId,HT as frontFacing,py as fwidth,Q_ as gain,Ig as gapSize,rN as gaussianBlur,jp as getConstNodeType,Kp as getCurrentStack,iT as getDirection,qN as getDistanceAttenuation,CR as getGeometryRoughness,ER as getRoughness,CN as global,qg as glsl,Yg as glslFn,xf as greaterThan,vf as greaterThanEqual,J_ as hash,vA as hue,vm as imat2,Sm as imat3,Rm as imat4,$b as instance,Zm as instanceIndex,jb as instancedBufferAttribute,Hb as instancedDynamicBufferAttribute,rm as int,qf as inverseSqrt,vg as iridescence,Tg as iridescenceIOR,_g as iridescenceThickness,hm as ivec2,dm as ivec3,fm as ivec4,jg as js,Xm as label,ny as length,Iy as lengthSq,yf as lessThan,bf as lessThanEqual,HN as lightTargetDirection,Rv as lightingContext,wv as lights,Sv as lightsNode,kT as linearDepth,qy as linearToColorSpace,Xy as linearTosRGB,Wf as log,jf as log2,ov as loop,TA as lumaCoeffs,_A as luminance,bm as mat2,wm as mat3,Nm as mat4,pw as matcapUV,Zx as materialAlphaTest,fb as materialAnisotropy,Ib as materialAnisotropyVector,ub as materialClearcoat,db as materialClearcoatNormal,cb as materialClearcoatRoughness,Qx as materialColor,Bb as materialDispersion,tb as materialEmissive,yb as materialIridescence,xb as materialIridescenceIOR,bb as materialIridescenceThickness,Cb as materialLineDashOffset,Ab as materialLineDashSize,Nb as materialLineGapSize,Mb as materialLineScale,Rb as materialLineWidth,hb as materialMetalness,lb as materialNormal,eb as materialOpacity,Eb as materialPointWidth,mx as materialReference,ob as materialReflectivity,pb as materialRotation,ab as materialRoughness,mb as materialSheen,gb as materialSheenRoughness,Kx as materialShininess,sb as materialSpecular,nb as materialSpecularStrength,xy as max,Ky as maxMipLevel,gg as metalness,yy as min,Py as mix,by as mod,Fx as modelDirection,Ox as modelNormalMatrix,Lx as modelPosition,Vx as modelScale,Ux as modelViewMatrix,Dx as modelViewPosition,Db as modelViewProjection,zx as modelWorldMatrix,kx as modelWorldMatrixInverse,pv as morphReference,df as mul,ME as mx_aastep,kE as mx_cell_noise_float,FE as mx_contrast,GE as mx_fractal_noise_float,WE as mx_fractal_noise_vec2,jE as mx_fractal_noise_vec3,HE as mx_fractal_noise_vec4,_E as mx_hsvtorgb,UE as mx_noise_float,OE as mx_noise_vec3,zE as mx_noise_vec4,NE as mx_ramplr,RE as mx_ramptb,wE as mx_rgbtohsv,PE as mx_safepower,EE as mx_splitlr,BE as mx_splittb,SE as mx_srgb_texture_to_lin_rec709,IE as mx_transform_uv,LE as mx_worley_noise_float,VE as mx_worley_noise_vec2,DE as mx_worley_noise_vec3,oy as negate,Xp as nodeArray,Jp as nodeImmutable,qp as nodeObject,$p as nodeObjects,Yp as nodeProxy,Gx as normalGeometry,Wx as normalLocal,AA as normalMap,jx as normalView,Hx as normalWorld,Yf as normalize,wf as not,Ax as objectDirection,sf as objectGroup,Rx as objectNormalMatrix,Ex as objectPosition,Bx as objectScale,Nx as objectViewMatrix,Ix as objectViewPosition,Cx as objectWorldMatrix,ay as oneMinus,_f as or,OT as orthographicDepthToViewZ,ww as oscSawtooth,vw as oscSine,Tw as oscSquare,_w as oscTriangle,Eg as output,X_ as outputStruct,hA as overlay,cw as overloadingFn,Z_ as parabola,zv as parallaxDirection,Lv as parallaxUV,kg as parameter,YA as pass,K_ as pcurve,LT as perspectiveDepthToViewZ,cT as pmremTexture,vS as pointUV,Pg as pointWidth,Pb as positionGeometry,Fb as positionLocal,zb as positionView,Lb as positionViewDirection,Ub as positionWorld,Ob as positionWorldDirection,RA as posterize,Ay as pow,Ny as pow2,Ry as pow3,Cy as pow4,cg as property,Vf as radians,Vy as rand,kN as range,UN as rangeFog,cy as reciprocal,cx as reference,dx as referenceBuffer,Ty as reflect,gv as reflectVector,mv as reflectView,sS as reflector,Oy as refract,mf as remainder,Rw as remap,Cw as remapClamp,ef as renderGroup,oS as rendererReference,vN as rgbShift,Pw as rotate,Bw as rotateUV,mg as roughness,uy as round,Yy as sRGBToLinear,ix as sampler,Uy as saturate,xA as saturation,lA as screen,BN as scriptable,AN as scriptableValue,Qp as setCurrentStack,Yd as shaderStages,xg as sheen,bg as sheenRoughness,Cf as shiftLeft,Ef as shiftRight,Cg as shininess,ry as sign,Zf as sin,tw as sinc,iv as skinning,rv as skinningReference,zy as smoothstep,pN as sobel,Ng as specularColor,Um as split,Uw as spritesheetUV,Hf as sqrt,p_ as stack,vy as step,HM as storage,qM as storageObject,XM as storageTexture,Bm as string,cf as sub,Kf as tan,Xb as tangentGeometry,Yb as tangentLocal,Jb as tangentView,Zb as tangentWorld,eg as temp,ex as texture,QM as texture3D,xS as textureBicubic,rT as textureCubeUV,sx as textureLoad,JA as texturePass,hf as textureSize,YM as textureStore,wA as threshold,yw as timerDelta,fw as timerGlobal,gw as timerLocal,kA as toneMapping,Ey as transformDirection,Vv as transformedBentNormalView,Fv as transformedBitangentView,Uv as transformedBitangentWorld,Xx as transformedClearcoatNormalView,qx as transformedNormalView,$x as transformedNormalWorld,Qb as transformedTangentView,Kb as transformedTangentWorld,gy as transpose,iw as triNoise3D,Dw as triplanarTexture,Vw as triplanarTextures,dy as trunc,Zp as tslFn,nm as uint,Tm as umat2,Mm as umat3,Cm as umat4,nf as uniform,Qg as uniformGroup,hx as uniforms,tA as userData,of as uv,lm as uvec2,pm as uvec3,ym as uvec4,Vm as varying,dg as varyingProperty,am as vec2,cm as vec3,gm as vec4,Jd as vectorComponents,rS as vertexColor,Jm as vertexIndex,bA as vibrance,UT as viewZToOrthographicDepth,zT as viewZToPerspectiveDepth,_T as viewport,ST as viewportBottomLeft,AT as viewportBottomRight,vT as viewportCoordinate,PT as viewportDepthTexture,GT as viewportLinearDepth,ET as viewportMipTexture,TT as viewportResolution,HA as viewportSharedTexture,CT as viewportTexture,wT as viewportTopLeft,MT as viewportTopRight,Hg as wgsl,Jg as wgslFn,Sf as xor}; +const 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Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}function Ys(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(4294967295*t);case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int32Array:return Math.round(2147483647*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}}const Js={DEG2RAD:Gs,RAD2DEG:Ws,generateUUID:js,clamp:Hs,euclideanModulo:qs,mapLinear:function(t,e,s,i,r){return i+(t-e)*(r-i)/(s-e)},inverseLerp:function(t,e,s){return t!==e?(s-t)/(e-t):0},lerp:$s,damp:function(t,e,s,i){return $s(t,e,1-Math.exp(-s*i))},pingpong:function(t,e=1){return e-Math.abs(qs(t,2*e)-e)},smoothstep:function(t,e,s){return t<=e?0:t>=s?1:(t=(t-e)/(s-e))*t*(3-2*t)},smootherstep:function(t,e,s){return t<=e?0:t>=s?1:(t=(t-e)/(s-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(ks=t);let e=ks+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*Gs},radToDeg:function(t){return t*Ws},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,s,i,r){const n=Math.cos,o=Math.sin,a=n(s/2),h=o(s/2),l=n((e+i)/2),u=o((e+i)/2),c=n((e-i)/2),d=o((e-i)/2),p=n((i-e)/2),m=o((i-e)/2);switch(r){case"XYX":t.set(a*u,h*c,h*d,a*l);break;case"YZY":t.set(h*d,a*u,h*c,a*l);break;case"ZXZ":t.set(h*c,h*d,a*u,a*l);break;case"XZX":t.set(a*u,h*m,h*p,a*l);break;case"YXY":t.set(h*p,a*u,h*m,a*l);break;case"ZYZ":t.set(h*m,h*p,a*u,a*l);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:Ys,denormalize:Xs};class Zs{constructor(t=0,e=0){Zs.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,s=this.y,i=t.elements;return this.x=i[0]*e+i[3]*s+i[6],this.y=i[1]*e+i[4]*s+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(Math.max(t,Math.min(e,s)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return 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this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Qs{constructor(t,e,s,i,r,n,o,a,h){Qs.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,o,a,h)}set(t,e,s,i,r,n,o,a,h){const l=this.elements;return l[0]=t,l[1]=i,l[2]=o,l[3]=e,l[4]=r,l[5]=a,l[6]=s,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],this}extractBasis(t,e,s){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),s.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],o=s[3],a=s[6],h=s[1],l=s[4],u=s[7],c=s[2],d=s[5],p=s[8],m=i[0],g=i[3],f=i[6],y=i[1],x=i[4],b=i[7],v=i[2],T=i[5],_=i[8];return r[0]=n*m+o*y+a*v,r[3]=n*g+o*x+a*T,r[6]=n*f+o*b+a*_,r[1]=h*m+l*y+u*v,r[4]=h*g+l*x+u*T,r[7]=h*f+l*b+u*_,r[2]=c*m+d*y+p*v,r[5]=c*g+d*x+p*T,r[8]=c*f+d*b+p*_,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8];return e*n*l-e*o*h-s*r*l+s*o*a+i*r*h-i*n*a}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8],u=l*n-o*h,c=o*a-l*r,d=h*r-n*a,p=e*u+s*c+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=u*m,t[1]=(i*h-l*s)*m,t[2]=(o*s-i*n)*m,t[3]=c*m,t[4]=(l*e-i*a)*m,t[5]=(i*r-o*e)*m,t[6]=d*m,t[7]=(s*a-h*e)*m,t[8]=(n*e-s*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,s,i,r,n,o){const a=Math.cos(r),h=Math.sin(r);return this.set(s*a,s*h,-s*(a*n+h*o)+n+t,-i*h,i*a,-i*(-h*n+a*o)+o+e,0,0,1),this}scale(t,e){return this.premultiply(Ks.makeScale(t,e)),this}rotate(t){return this.premultiply(Ks.makeRotation(-t)),this}translate(t,e){return this.premultiply(Ks.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,s,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<9;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<9;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Ks=new Qs;const ti={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function ei(t,e){return new ti[t](e)}function si(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function ii(){const t=si("canvas");return t.style.display="block",t}const ri={};function ni(t){t in ri||(ri[t]=!0,console.warn(t))}const oi=(new Qs).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),ai=(new Qs).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),hi={[Ye]:{transfer:Qe,primaries:ts,toReference:t=>t,fromReference:t=>t},[Xe]:{transfer:Ke,primaries:ts,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Ze]:{transfer:Qe,primaries:es,toReference:t=>t.applyMatrix3(ai),fromReference:t=>t.applyMatrix3(oi)},[Je]:{transfer:Ke,primaries:es,toReference:t=>t.convertSRGBToLinear().applyMatrix3(ai),fromReference:t=>t.applyMatrix3(oi).convertLinearToSRGB()}},li=new Set([Ye,Ze]),ui={enabled:!0,_workingColorSpace:Ye,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!li.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,s){if(!1===this.enabled||e===s||!e||!s)return t;const i=hi[e].toReference;return(0,hi[s].fromReference)(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return hi[t].primaries},getTransfer:function(t){return t===$e?Qe:hi[t].transfer}};function ci(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function di(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let pi;class mi{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===pi&&(pi=si("canvas")),pi.width=t.width,pi.height=t.height;const s=pi.getContext("2d");t instanceof ImageData?s.putImageData(t,0,0):s.drawImage(t,0,0,t.width,t.height),e=pi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=si("canvas");e.width=t.width,e.height=t.height;const s=e.getContext("2d");s.drawImage(t,0,0,t.width,t.height);const i=s.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(s.userData=this.userData),e||(t.textures[this.uuid]=s),s}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==at)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case pt:t.x=t.x-Math.floor(t.x);break;case mt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case pt:t.y=t.y-Math.floor(t.y);break;case mt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}bi.DEFAULT_IMAGE=null,bi.DEFAULT_MAPPING=at,bi.DEFAULT_ANISOTROPY=1;class vi{constructor(t=0,e=0,s=0,i=1){vi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=s,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,s,i){return this.x=t,this.y=e,this.z=s,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*s+n[8]*i+n[12]*r,this.y=n[1]*e+n[5]*s+n[9]*i+n[13]*r,this.z=n[2]*e+n[6]*s+n[10]*i+n[14]*r,this.w=n[3]*e+n[7]*s+n[11]*i+n[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,s,i,r;const n=.01,o=.1,a=t.elements,h=a[0],l=a[4],u=a[8],c=a[1],d=a[5],p=a[9],m=a[2],g=a[6],f=a[10];if(Math.abs(l-c)a&&t>y?ty?a=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),n=Math.atan2(r,e*s);t=Math.sin(t*n)/r,o=Math.sin(o*n)/r}const r=o*s;if(a=a*t+c*r,h=h*t+d*r,l=l*t+p*r,u=u*t+m*r,t===1-o){const t=1/Math.sqrt(a*a+h*h+l*l+u*u);a*=t,h*=t,l*=t,u*=t}}t[e]=a,t[e+1]=h,t[e+2]=l,t[e+3]=u}static multiplyQuaternionsFlat(t,e,s,i,r,n){const o=s[i],a=s[i+1],h=s[i+2],l=s[i+3],u=r[n],c=r[n+1],d=r[n+2],p=r[n+3];return t[e]=o*p+l*u+a*d-h*c,t[e+1]=a*p+l*c+h*u-o*d,t[e+2]=h*p+l*d+o*c-a*u,t[e+3]=l*p-o*u-a*c-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,s,i){return this._x=t,this._y=e,this._z=s,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const s=t._x,i=t._y,r=t._z,n=t._order,o=Math.cos,a=Math.sin,h=o(s/2),l=o(i/2),u=o(r/2),c=a(s/2),d=a(i/2),p=a(r/2);switch(n){case"XYZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"YXZ":this._x=c*l*u+h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"ZXY":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u-c*d*p;break;case"ZYX":this._x=c*l*u-h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u+c*d*p;break;case"YZX":this._x=c*l*u+h*d*p,this._y=h*d*u+c*l*p,this._z=h*l*p-c*d*u,this._w=h*l*u-c*d*p;break;case"XZY":this._x=c*l*u-h*d*p,this._y=h*d*u-c*l*p,this._z=h*l*p+c*d*u,this._w=h*l*u+c*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const s=e/2,i=Math.sin(s);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,s=e[0],i=e[4],r=e[8],n=e[1],o=e[5],a=e[9],h=e[2],l=e[6],u=e[10],c=s+o+u;if(c>0){const t=.5/Math.sqrt(c+1);this._w=.25/t,this._x=(l-a)*t,this._y=(r-h)*t,this._z=(n-i)*t}else if(s>o&&s>u){const t=2*Math.sqrt(1+s-o-u);this._w=(l-a)/t,this._x=.25*t,this._y=(i+n)/t,this._z=(r+h)/t}else if(o>u){const t=2*Math.sqrt(1+o-s-u);this._w=(r-h)/t,this._x=(i+n)/t,this._y=.25*t,this._z=(a+l)/t}else{const t=2*Math.sqrt(1+u-s-o);this._w=(n-i)/t,this._x=(r+h)/t,this._y=(a+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let s=t.dot(e)+1;return sMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=s):(this._x=0,this._y=-t.z,this._z=t.y,this._w=s)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=s),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(Hs(this.dot(t),-1,1)))}rotateTowards(t,e){const s=this.angleTo(t);if(0===s)return this;const i=Math.min(1,e/s);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const s=t._x,i=t._y,r=t._z,n=t._w,o=e._x,a=e._y,h=e._z,l=e._w;return this._x=s*l+n*o+i*h-r*a,this._y=i*l+n*a+r*o-s*h,this._z=r*l+n*h+s*a-i*o,this._w=n*l-s*o-i*a-r*h,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const s=this._x,i=this._y,r=this._z,n=this._w;let o=n*t._w+s*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=n,this._x=s,this._y=i,this._z=r,this;const a=1-o*o;if(a<=Number.EPSILON){const t=1-e;return this._w=t*n+e*this._w,this._x=t*s+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const h=Math.sqrt(a),l=Math.atan2(h,o),u=Math.sin((1-e)*l)/h,c=Math.sin(e*l)/h;return this._w=n*u+this._w*c,this._x=s*u+this._x*c,this._y=i*u+this._y*c,this._z=r*u+this._z*c,this._onChangeCallback(),this}slerpQuaternions(t,e,s){return this.copy(t).slerp(e,s)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),s=Math.random(),i=Math.sqrt(1-s),r=Math.sqrt(s);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ri{constructor(t=0,e=0,s=0){Ri.prototype.isVector3=!0,this.x=t,this.y=e,this.z=s}set(t,e,s){return void 0===s&&(s=this.z),this.x=t,this.y=e,this.z=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ei.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ei.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*s+r[6]*i,this.y=r[1]*e+r[4]*s+r[7]*i,this.z=r[2]*e+r[5]*s+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,s=this.y,i=this.z,r=t.elements,n=1/(r[3]*e+r[7]*s+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*s+r[8]*i+r[12])*n,this.y=(r[1]*e+r[5]*s+r[9]*i+r[13])*n,this.z=(r[2]*e+r[6]*s+r[10]*i+r[14])*n,this}applyQuaternion(t){const e=this.x,s=this.y,i=this.z,r=t.x,n=t.y,o=t.z,a=t.w,h=2*(n*i-o*s),l=2*(o*e-r*i),u=2*(r*s-n*e);return this.x=e+a*h+n*u-o*l,this.y=s+a*l+o*h-r*u,this.z=i+a*u+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,s=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*s+r[8]*i,this.y=r[1]*e+r[5]*s+r[9]*i,this.z=r[2]*e+r[6]*s+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const s=this.length();return this.divideScalar(s||1).multiplyScalar(Math.max(t,Math.min(e,s)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,s){return this.x=t.x+(e.x-t.x)*s,this.y=t.y+(e.y-t.y)*s,this.z=t.z+(e.z-t.z)*s,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const s=t.x,i=t.y,r=t.z,n=e.x,o=e.y,a=e.z;return this.x=i*a-r*o,this.y=r*n-s*a,this.z=s*o-i*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const s=t.dot(this)/e;return this.copy(t).multiplyScalar(s)}projectOnPlane(t){return Ci.copy(this).projectOnVector(t),this.sub(Ci)}reflect(t){return this.sub(Ci.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const s=this.dot(t)/e;return Math.acos(Hs(s,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,s=this.y-t.y,i=this.z-t.z;return e*e+s*s+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,s){const i=Math.sin(e)*t;return this.x=i*Math.sin(s),this.y=Math.cos(e)*t,this.z=i*Math.cos(s),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,s){return this.x=t*Math.sin(e),this.y=s,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),s=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=s,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,s=Math.sqrt(1-e*e);return this.x=s*Math.cos(t),this.y=e,this.z=s*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ci=new Ri,Ei=new Ni;class Bi{constructor(t=new Ri(1/0,1/0,1/0),e=new Ri(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,s=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Pi),Pi.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,s;return t.normal.x>0?(e=t.normal.x*this.min.x,s=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,s=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,s+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,s+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,s+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,s+=t.normal.z*this.min.z),e<=-t.constant&&s>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ki),Gi.subVectors(this.max,ki),Ui.subVectors(t.a,ki),Oi.subVectors(t.b,ki),zi.subVectors(t.c,ki),Li.subVectors(Oi,Ui),Vi.subVectors(zi,Oi),Di.subVectors(Ui,zi);let e=[0,-Li.z,Li.y,0,-Vi.z,Vi.y,0,-Di.z,Di.y,Li.z,0,-Li.x,Vi.z,0,-Vi.x,Di.z,0,-Di.x,-Li.y,Li.x,0,-Vi.y,Vi.x,0,-Di.y,Di.x,0];return!!Hi(e,Ui,Oi,zi,Gi)&&(e=[1,0,0,0,1,0,0,0,1],!!Hi(e,Ui,Oi,zi,Gi)&&(Wi.crossVectors(Li,Vi),e=[Wi.x,Wi.y,Wi.z],Hi(e,Ui,Oi,zi,Gi)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pi).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Pi).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ii[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ii[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ii[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ii[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ii[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ii[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ii[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ii[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ii)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ii=[new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri,new Ri],Pi=new Ri,Fi=new Bi,Ui=new Ri,Oi=new Ri,zi=new Ri,Li=new Ri,Vi=new Ri,Di=new Ri,ki=new Ri,Gi=new Ri,Wi=new Ri,ji=new Ri;function Hi(t,e,s,i,r){for(let n=0,o=t.length-3;n<=o;n+=3){ji.fromArray(t,n);const o=r.x*Math.abs(ji.x)+r.y*Math.abs(ji.y)+r.z*Math.abs(ji.z),a=e.dot(ji),h=s.dot(ji),l=i.dot(ji);if(Math.max(-Math.max(a,h,l),Math.min(a,h,l))>o)return!1}return!0}const qi=new Bi,$i=new Ri,Xi=new Ri;class Yi{constructor(t=new Ri,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const s=this.center;void 0!==e?s.copy(e):qi.setFromPoints(t).getCenter(s);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;$i.subVectors(t,this.center);const e=$i.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),s=.5*(t-this.radius);this.center.addScaledVector($i,s/t),this.radius+=s}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Xi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint($i.copy(t.center).add(Xi)),this.expandByPoint($i.copy(t.center).sub(Xi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Ji=new Ri,Zi=new Ri,Qi=new Ri,Ki=new Ri,tr=new Ri,er=new Ri,sr=new Ri;class ir{constructor(t=new Ri,e=new Ri(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Ji)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const s=e.dot(this.direction);return s<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,s)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Ji.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Ji.copy(this.origin).addScaledVector(this.direction,e),Ji.distanceToSquared(t))}distanceSqToSegment(t,e,s,i){Zi.copy(t).add(e).multiplyScalar(.5),Qi.copy(e).sub(t).normalize(),Ki.copy(this.origin).sub(Zi);const r=.5*t.distanceTo(e),n=-this.direction.dot(Qi),o=Ki.dot(this.direction),a=-Ki.dot(Qi),h=Ki.lengthSq(),l=Math.abs(1-n*n);let u,c,d,p;if(l>0)if(u=n*a-o,c=n*o-a,p=r*l,u>=0)if(c>=-p)if(c<=p){const t=1/l;u*=t,c*=t,d=u*(u+n*c+2*o)+c*(n*u+c+2*a)+h}else c=r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c=-r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;else c<=-p?(u=Math.max(0,-(-n*r+o)),c=u>0?-r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h):c<=p?(u=0,c=Math.min(Math.max(-r,-a),r),d=c*(c+2*a)+h):(u=Math.max(0,-(n*r+o)),c=u>0?r:Math.min(Math.max(-r,-a),r),d=-u*u+c*(c+2*a)+h);else c=n>0?-r:r,u=Math.max(0,-(n*c+o)),d=-u*u+c*(c+2*a)+h;return s&&s.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(Zi).addScaledVector(Qi,c),d}intersectSphere(t,e){Ji.subVectors(t.center,this.origin);const s=Ji.dot(this.direction),i=Ji.dot(Ji)-s*s,r=t.radius*t.radius;if(i>r)return null;const n=Math.sqrt(r-i),o=s-n,a=s+n;return a<0?null:o<0?this.at(a,e):this.at(o,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const s=-(this.origin.dot(t.normal)+t.constant)/e;return s>=0?s:null}intersectPlane(t,e){const s=this.distanceToPlane(t);return null===s?null:this.at(s,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let s,i,r,n,o,a;const h=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,c=this.origin;return h>=0?(s=(t.min.x-c.x)*h,i=(t.max.x-c.x)*h):(s=(t.max.x-c.x)*h,i=(t.min.x-c.x)*h),l>=0?(r=(t.min.y-c.y)*l,n=(t.max.y-c.y)*l):(r=(t.max.y-c.y)*l,n=(t.min.y-c.y)*l),s>n||r>i?null:((r>s||isNaN(s))&&(s=r),(n=0?(o=(t.min.z-c.z)*u,a=(t.max.z-c.z)*u):(o=(t.max.z-c.z)*u,a=(t.min.z-c.z)*u),s>a||o>i?null:((o>s||s!=s)&&(s=o),(a=0?s:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Ji)}intersectTriangle(t,e,s,i,r){tr.subVectors(e,t),er.subVectors(s,t),sr.crossVectors(tr,er);let n,o=this.direction.dot(sr);if(o>0){if(i)return null;n=1}else{if(!(o<0))return null;n=-1,o=-o}Ki.subVectors(this.origin,t);const a=n*this.direction.dot(er.crossVectors(Ki,er));if(a<0)return null;const h=n*this.direction.dot(tr.cross(Ki));if(h<0)return null;if(a+h>o)return null;const l=-n*Ki.dot(sr);return l<0?null:this.at(l/o,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class rr{constructor(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){rr.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g)}set(t,e,s,i,r,n,o,a,h,l,u,c,d,p,m,g){const f=this.elements;return f[0]=t,f[4]=e,f[8]=s,f[12]=i,f[1]=r,f[5]=n,f[9]=o,f[13]=a,f[2]=h,f[6]=l,f[10]=u,f[14]=c,f[3]=d,f[7]=p,f[11]=m,f[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new rr).fromArray(this.elements)}copy(t){const e=this.elements,s=t.elements;return e[0]=s[0],e[1]=s[1],e[2]=s[2],e[3]=s[3],e[4]=s[4],e[5]=s[5],e[6]=s[6],e[7]=s[7],e[8]=s[8],e[9]=s[9],e[10]=s[10],e[11]=s[11],e[12]=s[12],e[13]=s[13],e[14]=s[14],e[15]=s[15],this}copyPosition(t){const e=this.elements,s=t.elements;return e[12]=s[12],e[13]=s[13],e[14]=s[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,s){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),s.setFromMatrixColumn(this,2),this}makeBasis(t,e,s){return this.set(t.x,e.x,s.x,0,t.y,e.y,s.y,0,t.z,e.z,s.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,s=t.elements,i=1/nr.setFromMatrixColumn(t,0).length(),r=1/nr.setFromMatrixColumn(t,1).length(),n=1/nr.setFromMatrixColumn(t,2).length();return e[0]=s[0]*i,e[1]=s[1]*i,e[2]=s[2]*i,e[3]=0,e[4]=s[4]*r,e[5]=s[5]*r,e[6]=s[6]*r,e[7]=0,e[8]=s[8]*n,e[9]=s[9]*n,e[10]=s[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,s=t.x,i=t.y,r=t.z,n=Math.cos(s),o=Math.sin(s),a=Math.cos(i),h=Math.sin(i),l=Math.cos(r),u=Math.sin(r);if("XYZ"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=-a*u,e[8]=h,e[1]=s+i*h,e[5]=t-r*h,e[9]=-o*a,e[2]=r-t*h,e[6]=i+s*h,e[10]=n*a}else if("YXZ"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t+r*o,e[4]=i*o-s,e[8]=n*h,e[1]=n*u,e[5]=n*l,e[9]=-o,e[2]=s*o-i,e[6]=r+t*o,e[10]=n*a}else if("ZXY"===t.order){const t=a*l,s=a*u,i=h*l,r=h*u;e[0]=t-r*o,e[4]=-n*u,e[8]=i+s*o,e[1]=s+i*o,e[5]=n*l,e[9]=r-t*o,e[2]=-n*h,e[6]=o,e[10]=n*a}else if("ZYX"===t.order){const t=n*l,s=n*u,i=o*l,r=o*u;e[0]=a*l,e[4]=i*h-s,e[8]=t*h+r,e[1]=a*u,e[5]=r*h+t,e[9]=s*h-i,e[2]=-h,e[6]=o*a,e[10]=n*a}else if("YZX"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=r-t*u,e[8]=i*u+s,e[1]=u,e[5]=n*l,e[9]=-o*l,e[2]=-h*l,e[6]=s*u+i,e[10]=t-r*u}else if("XZY"===t.order){const t=n*a,s=n*h,i=o*a,r=o*h;e[0]=a*l,e[4]=-u,e[8]=h*l,e[1]=t*u+r,e[5]=n*l,e[9]=s*u-i,e[2]=i*u-s,e[6]=o*l,e[10]=r*u+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(ar,t,hr)}lookAt(t,e,s){const i=this.elements;return cr.subVectors(t,e),0===cr.lengthSq()&&(cr.z=1),cr.normalize(),lr.crossVectors(s,cr),0===lr.lengthSq()&&(1===Math.abs(s.z)?cr.x+=1e-4:cr.z+=1e-4,cr.normalize(),lr.crossVectors(s,cr)),lr.normalize(),ur.crossVectors(cr,lr),i[0]=lr.x,i[4]=ur.x,i[8]=cr.x,i[1]=lr.y,i[5]=ur.y,i[9]=cr.y,i[2]=lr.z,i[6]=ur.z,i[10]=cr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const s=t.elements,i=e.elements,r=this.elements,n=s[0],o=s[4],a=s[8],h=s[12],l=s[1],u=s[5],c=s[9],d=s[13],p=s[2],m=s[6],g=s[10],f=s[14],y=s[3],x=s[7],b=s[11],v=s[15],T=i[0],_=i[4],w=i[8],S=i[12],M=i[1],A=i[5],N=i[9],R=i[13],C=i[2],E=i[6],B=i[10],I=i[14],P=i[3],F=i[7],U=i[11],O=i[15];return r[0]=n*T+o*M+a*C+h*P,r[4]=n*_+o*A+a*E+h*F,r[8]=n*w+o*N+a*B+h*U,r[12]=n*S+o*R+a*I+h*O,r[1]=l*T+u*M+c*C+d*P,r[5]=l*_+u*A+c*E+d*F,r[9]=l*w+u*N+c*B+d*U,r[13]=l*S+u*R+c*I+d*O,r[2]=p*T+m*M+g*C+f*P,r[6]=p*_+m*A+g*E+f*F,r[10]=p*w+m*N+g*B+f*U,r[14]=p*S+m*R+g*I+f*O,r[3]=y*T+x*M+b*C+v*P,r[7]=y*_+x*A+b*E+v*F,r[11]=y*w+x*N+b*B+v*U,r[15]=y*S+x*R+b*I+v*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],s=t[4],i=t[8],r=t[12],n=t[1],o=t[5],a=t[9],h=t[13],l=t[2],u=t[6],c=t[10],d=t[14];return t[3]*(+r*a*u-i*h*u-r*o*c+s*h*c+i*o*d-s*a*d)+t[7]*(+e*a*d-e*h*c+r*n*c-i*n*d+i*h*l-r*a*l)+t[11]*(+e*h*u-e*o*d-r*n*u+s*n*d+r*o*l-s*h*l)+t[15]*(-i*o*l-e*a*u+e*o*c+i*n*u-s*n*c+s*a*l)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,s){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=s),this}invert(){const t=this.elements,e=t[0],s=t[1],i=t[2],r=t[3],n=t[4],o=t[5],a=t[6],h=t[7],l=t[8],u=t[9],c=t[10],d=t[11],p=t[12],m=t[13],g=t[14],f=t[15],y=u*g*h-m*c*h+m*a*d-o*g*d-u*a*f+o*c*f,x=p*c*h-l*g*h-p*a*d+n*g*d+l*a*f-n*c*f,b=l*m*h-p*u*h+p*o*d-n*m*d-l*o*f+n*u*f,v=p*u*a-l*m*a-p*o*c+n*m*c+l*o*g-n*u*g,T=e*y+s*x+i*b+r*v;if(0===T)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const _=1/T;return t[0]=y*_,t[1]=(m*c*r-u*g*r-m*i*d+s*g*d+u*i*f-s*c*f)*_,t[2]=(o*g*r-m*a*r+m*i*h-s*g*h-o*i*f+s*a*f)*_,t[3]=(u*a*r-o*c*r-u*i*h+s*c*h+o*i*d-s*a*d)*_,t[4]=x*_,t[5]=(l*g*r-p*c*r+p*i*d-e*g*d-l*i*f+e*c*f)*_,t[6]=(p*a*r-n*g*r-p*i*h+e*g*h+n*i*f-e*a*f)*_,t[7]=(n*c*r-l*a*r+l*i*h-e*c*h-n*i*d+e*a*d)*_,t[8]=b*_,t[9]=(p*u*r-l*m*r-p*s*d+e*m*d+l*s*f-e*u*f)*_,t[10]=(n*m*r-p*o*r+p*s*h-e*m*h-n*s*f+e*o*f)*_,t[11]=(l*o*r-n*u*r-l*s*h+e*u*h+n*s*d-e*o*d)*_,t[12]=v*_,t[13]=(l*m*i-p*u*i+p*s*c-e*m*c-l*s*g+e*u*g)*_,t[14]=(p*o*i-n*m*i-p*s*a+e*m*a+n*s*g-e*o*g)*_,t[15]=(n*u*i-l*o*i+l*s*a-e*u*a-n*s*c+e*o*c)*_,this}scale(t){const e=this.elements,s=t.x,i=t.y,r=t.z;return e[0]*=s,e[4]*=i,e[8]*=r,e[1]*=s,e[5]*=i,e[9]*=r,e[2]*=s,e[6]*=i,e[10]*=r,e[3]*=s,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],s=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,s,i))}makeTranslation(t,e,s){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,s,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),s=Math.sin(t);return this.set(1,0,0,0,0,e,-s,0,0,s,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,0,s,0,0,1,0,0,-s,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),s=Math.sin(t);return this.set(e,-s,0,0,s,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const s=Math.cos(e),i=Math.sin(e),r=1-s,n=t.x,o=t.y,a=t.z,h=r*n,l=r*o;return this.set(h*n+s,h*o-i*a,h*a+i*o,0,h*o+i*a,l*o+s,l*a-i*n,0,h*a-i*o,l*a+i*n,r*a*a+s,0,0,0,0,1),this}makeScale(t,e,s){return this.set(t,0,0,0,0,e,0,0,0,0,s,0,0,0,0,1),this}makeShear(t,e,s,i,r,n){return this.set(1,s,r,0,t,1,n,0,e,i,1,0,0,0,0,1),this}compose(t,e,s){const i=this.elements,r=e._x,n=e._y,o=e._z,a=e._w,h=r+r,l=n+n,u=o+o,c=r*h,d=r*l,p=r*u,m=n*l,g=n*u,f=o*u,y=a*h,x=a*l,b=a*u,v=s.x,T=s.y,_=s.z;return i[0]=(1-(m+f))*v,i[1]=(d+b)*v,i[2]=(p-x)*v,i[3]=0,i[4]=(d-b)*T,i[5]=(1-(c+f))*T,i[6]=(g+y)*T,i[7]=0,i[8]=(p+x)*_,i[9]=(g-y)*_,i[10]=(1-(c+m))*_,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,s){const i=this.elements;let r=nr.set(i[0],i[1],i[2]).length();const n=nr.set(i[4],i[5],i[6]).length(),o=nr.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],or.copy(this);const a=1/r,h=1/n,l=1/o;return or.elements[0]*=a,or.elements[1]*=a,or.elements[2]*=a,or.elements[4]*=h,or.elements[5]*=h,or.elements[6]*=h,or.elements[8]*=l,or.elements[9]*=l,or.elements[10]*=l,e.setFromRotationMatrix(or),s.x=r,s.y=n,s.z=o,this}makePerspective(t,e,s,i,r,n,o=2e3){const a=this.elements,h=2*r/(e-t),l=2*r/(s-i),u=(e+t)/(e-t),c=(s+i)/(s-i);let d,p;if(o===zs)d=-(n+r)/(n-r),p=-2*n*r/(n-r);else{if(o!==Ls)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);d=-n/(n-r),p=-n*r/(n-r)}return a[0]=h,a[4]=0,a[8]=u,a[12]=0,a[1]=0,a[5]=l,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=d,a[14]=p,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,s,i,r,n,o=2e3){const a=this.elements,h=1/(e-t),l=1/(s-i),u=1/(n-r),c=(e+t)*h,d=(s+i)*l;let p,m;if(o===zs)p=(n+r)*u,m=-2*u;else{if(o!==Ls)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);p=r*u,m=-1*u}return a[0]=2*h,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-d,a[2]=0,a[6]=0,a[10]=m,a[14]=-p,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,s=t.elements;for(let t=0;t<16;t++)if(e[t]!==s[t])return!1;return!0}fromArray(t,e=0){for(let s=0;s<16;s++)this.elements[s]=t[s+e];return this}toArray(t=[],e=0){const s=this.elements;return t[e]=s[0],t[e+1]=s[1],t[e+2]=s[2],t[e+3]=s[3],t[e+4]=s[4],t[e+5]=s[5],t[e+6]=s[6],t[e+7]=s[7],t[e+8]=s[8],t[e+9]=s[9],t[e+10]=s[10],t[e+11]=s[11],t[e+12]=s[12],t[e+13]=s[13],t[e+14]=s[14],t[e+15]=s[15],t}}const nr=new Ri,or=new rr,ar=new Ri(0,0,0),hr=new Ri(1,1,1),lr=new Ri,ur=new Ri,cr=new Ri,dr=new rr,pr=new Ni;class mr{constructor(t=0,e=0,s=0,i=mr.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=s,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,s,i=this._order){return this._x=t,this._y=e,this._z=s,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,s=!0){const i=t.elements,r=i[0],n=i[4],o=i[8],a=i[1],h=i[5],l=i[9],u=i[2],c=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(Hs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(c,h),this._z=0);break;case"YXZ":this._x=Math.asin(-Hs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(a,h)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(Hs(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(a,r));break;case"ZYX":this._y=Math.asin(-Hs(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(c,d),this._z=Math.atan2(a,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(Hs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-Hs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(c,h),this._y=Math.atan2(o,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===s&&this._onChangeCallback(),this}setFromQuaternion(t,e,s){return dr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(dr,e,s)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return pr.setFromEuler(this),this.setFromQuaternion(pr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}mr.DEFAULT_ORDER="XYZ";class gr{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),i.maxInstanceCount=this._maxInstanceCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),null!==this._colorsTexture&&(i.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),null!==this.boundingBox&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const s=e.shapes;if(Array.isArray(s))for(let e=0,i=s.length;e0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(s.geometries=e),i.length>0&&(s.materials=i),r.length>0&&(s.textures=r),o.length>0&&(s.images=o),a.length>0&&(s.shapes=a),h.length>0&&(s.skeletons=h),l.length>0&&(s.animations=l),u.length>0&&(s.nodes=u)}return s.object=i,s;function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,s,i,r){Ir.subVectors(i,e),Pr.subVectors(s,e),Fr.subVectors(t,e);const n=Ir.dot(Ir),o=Ir.dot(Pr),a=Ir.dot(Fr),h=Pr.dot(Pr),l=Pr.dot(Fr),u=n*h-o*o;if(0===u)return r.set(0,0,0),null;const c=1/u,d=(h*a-o*l)*c,p=(n*l-o*a)*c;return r.set(1-d-p,p,d)}static containsPoint(t,e,s,i){return null!==this.getBarycoord(t,e,s,i,Ur)&&(Ur.x>=0&&Ur.y>=0&&Ur.x+Ur.y<=1)}static getInterpolation(t,e,s,i,r,n,o,a){return null===this.getBarycoord(t,e,s,i,Ur)?(a.x=0,a.y=0,"z"in a&&(a.z=0),"w"in a&&(a.w=0),null):(a.setScalar(0),a.addScaledVector(r,Ur.x),a.addScaledVector(n,Ur.y),a.addScaledVector(o,Ur.z),a)}static isFrontFacing(t,e,s,i){return Ir.subVectors(s,e),Pr.subVectors(t,e),Ir.cross(Pr).dot(i)<0}set(t,e,s){return this.a.copy(t),this.b.copy(e),this.c.copy(s),this}setFromPointsAndIndices(t,e,s,i){return this.a.copy(t[e]),this.b.copy(t[s]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,s,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,s),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Ir.subVectors(this.c,this.b),Pr.subVectors(this.a,this.b),.5*Ir.cross(Pr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Gr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Gr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,s,i,r){return Gr.getInterpolation(t,this.a,this.b,this.c,e,s,i,r)}containsPoint(t){return Gr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Gr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const s=this.a,i=this.b,r=this.c;let n,o;Or.subVectors(i,s),zr.subVectors(r,s),Vr.subVectors(t,s);const a=Or.dot(Vr),h=zr.dot(Vr);if(a<=0&&h<=0)return e.copy(s);Dr.subVectors(t,i);const l=Or.dot(Dr),u=zr.dot(Dr);if(l>=0&&u<=l)return e.copy(i);const c=a*u-l*h;if(c<=0&&a>=0&&l<=0)return n=a/(a-l),e.copy(s).addScaledVector(Or,n);kr.subVectors(t,r);const d=Or.dot(kr),p=zr.dot(kr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-a*p;if(m<=0&&h>=0&&p<=0)return o=h/(h-p),e.copy(s).addScaledVector(zr,o);const g=l*p-d*u;if(g<=0&&u-l>=0&&d-p>=0)return Lr.subVectors(r,i),o=(u-l)/(u-l+(d-p)),e.copy(i).addScaledVector(Lr,o);const f=1/(g+m+c);return n=m*f,o=c*f,e.copy(s).addScaledVector(Or,n).addScaledVector(zr,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Wr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},jr={h:0,s:0,l:0},Hr={h:0,s:0,l:0};function qr(t,e,s){return s<0&&(s+=1),s>1&&(s-=1),s<1/6?t+6*(e-t)*s:s<.5?e:s<2/3?t+6*(e-t)*(2/3-s):t}class $r{constructor(t,e,s){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,s)}set(t,e,s){if(void 0===e&&void 0===s){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,s);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Xe){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,ui.toWorkingColorSpace(this,e),this}setRGB(t,e,s,i=ui.workingColorSpace){return this.r=t,this.g=e,this.b=s,ui.toWorkingColorSpace(this,i),this}setHSL(t,e,s,i=ui.workingColorSpace){if(t=qs(t,1),e=Hs(e,0,1),s=Hs(s,0,1),0===e)this.r=this.g=this.b=s;else{const i=s<=.5?s*(1+e):s+e-s*e,r=2*s-i;this.r=qr(r,i,t+1/3),this.g=qr(r,i,t),this.b=qr(r,i,t-1/3)}return ui.toWorkingColorSpace(this,i),this}setStyle(t,e=Xe){function s(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=i[1],o=i[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return s(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],r=s.length;if(3===r)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Xe){const s=Wr[t.toLowerCase()];return void 0!==s?this.setHex(s,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=ci(t.r),this.g=ci(t.g),this.b=ci(t.b),this}copyLinearToSRGB(t){return this.r=di(t.r),this.g=di(t.g),this.b=di(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Xe){return ui.fromWorkingColorSpace(Xr.copy(this),t),65536*Math.round(Hs(255*Xr.r,0,255))+256*Math.round(Hs(255*Xr.g,0,255))+Math.round(Hs(255*Xr.b,0,255))}getHexString(t=Xe){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=ui.workingColorSpace){ui.fromWorkingColorSpace(Xr.copy(this),e);const s=Xr.r,i=Xr.g,r=Xr.b,n=Math.max(s,i,r),o=Math.min(s,i,r);let a,h;const l=(o+n)/2;if(o===n)a=0,h=0;else{const t=n-o;switch(h=l<=.5?t/(n+o):t/(2-n-o),n){case s:a=(i-r)/t+(i0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const s=t[e];if(void 0===s){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(s):i&&i.isVector3&&s&&s.isVector3?i.copy(s):this[e]=s:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const s={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),this.color&&this.color.isColor&&(s.color=this.color.getHex()),void 0!==this.roughness&&(s.roughness=this.roughness),void 0!==this.metalness&&(s.metalness=this.metalness),void 0!==this.sheen&&(s.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(s.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(s.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(s.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(s.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(s.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(s.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(s.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(s.shininess=this.shininess),void 0!==this.clearcoat&&(s.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(s.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(s.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(s.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(s.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,s.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(s.dispersion=this.dispersion),void 0!==this.iridescence&&(s.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(s.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(s.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(s.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(s.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(s.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(s.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(s.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(s.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(s.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(s.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(s.lightMap=this.lightMap.toJSON(t).uuid,s.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(s.aoMap=this.aoMap.toJSON(t).uuid,s.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(s.bumpMap=this.bumpMap.toJSON(t).uuid,s.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(s.normalMap=this.normalMap.toJSON(t).uuid,s.normalMapType=this.normalMapType,s.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(s.displacementMap=this.displacementMap.toJSON(t).uuid,s.displacementScale=this.displacementScale,s.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(s.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(s.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(s.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(s.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(s.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(s.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(s.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(s.combine=this.combine)),void 0!==this.envMapRotation&&(s.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(s.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(s.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(s.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(s.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(s.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(s.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(s.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(s.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(s.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(s.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(s.size=this.size),null!==this.shadowSide&&(s.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(s.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(s.blending=this.blending),this.side!==c&&(s.side=this.side),!0===this.vertexColors&&(s.vertexColors=!0),this.opacity<1&&(s.opacity=this.opacity),!0===this.transparent&&(s.transparent=!0),this.blendSrc!==C&&(s.blendSrc=this.blendSrc),this.blendDst!==E&&(s.blendDst=this.blendDst),this.blendEquation!==v&&(s.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(s.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(s.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(s.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(s.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(s.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(s.depthFunc=this.depthFunc),!1===this.depthTest&&(s.depthTest=this.depthTest),!1===this.depthWrite&&(s.depthWrite=this.depthWrite),!1===this.colorWrite&&(s.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(s.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==ys&&(s.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(s.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(s.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==is&&(s.stencilFail=this.stencilFail),this.stencilZFail!==is&&(s.stencilZFail=this.stencilZFail),this.stencilZPass!==is&&(s.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(s.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(s.rotation=this.rotation),!0===this.polygonOffset&&(s.polygonOffset=!0),0!==this.polygonOffsetFactor&&(s.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(s.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(s.linewidth=this.linewidth),void 0!==this.dashSize&&(s.dashSize=this.dashSize),void 0!==this.gapSize&&(s.gapSize=this.gapSize),void 0!==this.scale&&(s.scale=this.scale),!0===this.dithering&&(s.dithering=!0),this.alphaTest>0&&(s.alphaTest=this.alphaTest),!0===this.alphaHash&&(s.alphaHash=!0),!0===this.alphaToCoverage&&(s.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(s.premultipliedAlpha=!0),!0===this.forceSinglePass&&(s.forceSinglePass=!0),!0===this.wireframe&&(s.wireframe=!0),this.wireframeLinewidth>1&&(s.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(s.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(s.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(s.flatShading=!0),!1===this.visible&&(s.visible=!1),!1===this.toneMapped&&(s.toneMapped=!1),!1===this.fog&&(s.fog=!1),Object.keys(this.userData).length>0&&(s.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(s.textures=e),r.length>0&&(s.images=r)}return s}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let s=null;if(null!==e){const t=e.length;s=new Array(t);for(let i=0;i!==t;++i)s[i]=e[i].clone()}return this.clippingPlanes=s,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class Zr extends Jr{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Qr=Kr();function Kr(){const t=new ArrayBuffer(4),e=new Float32Array(t),s=new Uint32Array(t),i=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(i[t]=0,i[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(i[t]=1024>>-e-14,i[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(i[t]=e+15<<10,i[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(i[t]=31744,i[256|t]=64512,r[t]=24,r[256|t]=24):(i[t]=31744,i[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),o=new Uint32Array(64),a=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,s=0;for(;0==(8388608&e);)e<<=1,s-=8388608;e&=-8388609,s+=947912704,n[t]=e|s}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)o[t]=t<<23;o[31]=1199570944,o[32]=2147483648;for(let t=33;t<63;++t)o[t]=2147483648+(t-32<<23);o[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(a[t]=1024);return{floatView:e,uint32View:s,baseTable:i,shiftTable:r,mantissaTable:n,exponentTable:o,offsetTable:a}}function tn(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=Hs(t,-65504,65504),Qr.floatView[0]=t;const e=Qr.uint32View[0],s=e>>23&511;return Qr.baseTable[s]+((8388607&e)>>Qr.shiftTable[s])}function en(t){const e=t>>10;return Qr.uint32View[0]=Qr.mantissaTable[Qr.offsetTable[e]+(1023&t)]+Qr.exponentTable[e],Qr.floatView[0]}const sn={toHalfFloat:tn,fromHalfFloat:en},rn=new Ri,nn=new Zs;class on{constructor(t,e,s=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=s,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=It,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,s){t*=this.itemSize,s*=e.itemSize;for(let i=0,r=this.itemSize;i=0;--e)if(t[e]>=65535)return!0;return!1}(t)?pn:cn)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,s=0){this.groups.push({start:t,count:e,materialIndex:s})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const s=this.attributes.normal;if(void 0!==s){const e=(new Qs).getNormalMatrix(t);s.applyNormalMatrix(e),s.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return yn.makeRotationFromQuaternion(t),this.applyMatrix4(yn),this}rotateX(t){return yn.makeRotationX(t),this.applyMatrix4(yn),this}rotateY(t){return yn.makeRotationY(t),this.applyMatrix4(yn),this}rotateZ(t){return yn.makeRotationZ(t),this.applyMatrix4(yn),this}translate(t,e,s){return yn.makeTranslation(t,e,s),this.applyMatrix4(yn),this}scale(t,e,s){return yn.makeScale(t,e,s),this.applyMatrix4(yn),this}lookAt(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(bn).negate(),this.translate(bn.x,bn.y,bn.z),this}setFromPoints(t){const e=[];for(let s=0,i=t.length;s0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const s in e)void 0!==e[s]&&(t[s]=e[s]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const s=this.attributes;for(const e in s){const i=s[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const s=this.morphAttributes[e],n=[];for(let e=0,i=s.length;e0&&(i[e]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const o=this.boundingSphere;return null!==o&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const s=t.index;null!==s&&this.setIndex(s.clone(e));const i=t.attributes;for(const t in i){const s=i[t];this.setAttribute(t,s.clone(e))}const r=t.morphAttributes;for(const t in r){const s=[],i=r[t];for(let t=0,r=i.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;t(t.far-t.near)**2)return}Sn.copy(r).invert(),Mn.copy(t.ray).applyMatrix4(Sn),null!==s.boundingBox&&!1===Mn.intersectsBox(s.boundingBox)||this._computeIntersections(t,e,Mn)}}_computeIntersections(t,e,s){let i;const r=this.geometry,n=this.material,o=r.index,a=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,u=r.attributes.normal,c=r.groups,d=r.drawRange;if(null!==o)if(Array.isArray(n))for(let r=0,a=c.length;rs.far?null:{distance:l,point:Dn.clone(),object:t}}(t,e,s,i,Rn,Cn,En,Vn);if(u){r&&(Pn.fromBufferAttribute(r,a),Fn.fromBufferAttribute(r,h),Un.fromBufferAttribute(r,l),u.uv=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),n&&(Pn.fromBufferAttribute(n,a),Fn.fromBufferAttribute(n,h),Un.fromBufferAttribute(n,l),u.uv1=Gr.getInterpolation(Vn,Rn,Cn,En,Pn,Fn,Un,new Zs)),o&&(On.fromBufferAttribute(o,a),zn.fromBufferAttribute(o,h),Ln.fromBufferAttribute(o,l),u.normal=Gr.getInterpolation(Vn,Rn,Cn,En,On,zn,Ln,new Ri),u.normal.dot(i.direction)>0&&u.normal.multiplyScalar(-1));const t={a:a,b:h,c:l,normal:new Ri,materialIndex:0};Gr.getNormal(Rn,Cn,En,t.normal),u.face=t}return u}class Wn extends wn{constructor(t=1,e=1,s=1,i=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:s,widthSegments:i,heightSegments:r,depthSegments:n};const o=this;i=Math.floor(i),r=Math.floor(r),n=Math.floor(n);const a=[],h=[],l=[],u=[];let c=0,d=0;function p(t,e,s,i,r,n,p,m,g,f,y){const x=n/g,b=p/f,v=n/2,T=p/2,_=m/2,w=g+1,S=f+1;let M=0,A=0;const N=new Ri;for(let n=0;n0?1:-1,l.push(N.x,N.y,N.z),u.push(a/g),u.push(1-n/f),M+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const s={};for(const t in this.extensions)!0===this.extensions[t]&&(s[t]=!0);return Object.keys(s).length>0&&(e.extensions=s),e}}class qn extends Br{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new rr,this.projectionMatrix=new rr,this.projectionMatrixInverse=new rr,this.coordinateSystem=zs}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const $n=new Ri,Xn=new Zs,Yn=new Zs;class Jn extends qn{constructor(t=50,e=1,s=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=s,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*Ws*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*Gs*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*Ws*Math.atan(Math.tan(.5*Gs*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,s){$n.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set($n.x,$n.y).multiplyScalar(-t/$n.z),$n.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),s.set($n.x,$n.y).multiplyScalar(-t/$n.z)}getViewSize(t,e){return this.getViewBounds(t,Xn,Yn),e.subVectors(Yn,Xn)}setViewOffset(t,e,s,i,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=s,this.view.offsetY=i,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*Gs*this.fov)/this.zoom,s=2*e,i=this.aspect*s,r=-.5*i;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,o=n.fullHeight;r+=n.offsetX*i/t,e-=n.offsetY*s/o,i*=n.width/t,s*=n.height/o}const o=this.filmOffset;0!==o&&(r+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-s,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const Zn=-90;class Qn extends Br{constructor(t,e,s){super(),this.type="CubeCamera",this.renderTarget=s,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new Jn(Zn,1,t,e);i.layers=this.layers,this.add(i);const r=new Jn(Zn,1,t,e);r.layers=this.layers,this.add(r);const n=new Jn(Zn,1,t,e);n.layers=this.layers,this.add(n);const o=new Jn(Zn,1,t,e);o.layers=this.layers,this.add(o);const a=new Jn(Zn,1,t,e);a.layers=this.layers,this.add(a);const h=new Jn(Zn,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[s,i,r,n,o,a]=e;for(const t of e)this.remove(t);if(t===zs)s.up.set(0,1,0),s.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),a.up.set(0,1,0),a.lookAt(0,0,-1);else{if(t!==Ls)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);s.up.set(0,-1,0),s.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),a.up.set(0,-1,0),a.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:s,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,o,a,h,l]=this.children,u=t.getRenderTarget(),c=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=s.texture.generateMipmaps;s.texture.generateMipmaps=!1,t.setRenderTarget(s,0,i),t.render(e,r),t.setRenderTarget(s,1,i),t.render(e,n),t.setRenderTarget(s,2,i),t.render(e,o),t.setRenderTarget(s,3,i),t.render(e,a),t.setRenderTarget(s,4,i),t.render(e,h),s.texture.generateMipmaps=m,t.setRenderTarget(s,5,i),t.render(e,l),t.setRenderTarget(u,c,d),t.xr.enabled=p,s.texture.needsPMREMUpdate=!0}}class Kn extends bi{constructor(t,e,s,i,r,n,o,a,h,l){super(t=void 0!==t?t:[],e=void 0!==e?e:ht,s,i,r,n,o,a,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class to extends _i{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const s={width:t,height:t,depth:1},i=[s,s,s,s,s,s];this.texture=new Kn(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:Tt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const s={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Wn(5,5,5),r=new Hn({name:"CubemapFromEquirect",uniforms:jn(s.uniforms),vertexShader:s.vertexShader,fragmentShader:s.fragmentShader,side:d,blending:m});r.uniforms.tEquirect.value=e;const n=new kn(i,r),o=e.minFilter;e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,n),e.minFilter=o,n.geometry.dispose(),n.material.dispose(),this}clear(t,e,s,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,s,i);t.setRenderTarget(r)}}class eo{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new $r(t),this.density=e}clone(){return new eo(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class so{constructor(t,e=1,s=1e3){this.isFog=!0,this.name="",this.color=new $r(t),this.near=e,this.far=s}clone(){return new so(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class io extends Br{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new mr,this.environmentIntensity=1,this.environmentRotation=new mr,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ro{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=As,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=js()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return ni("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,s){t*=this.stride,s*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:a,point:lo.clone(),uv:Gr.getInterpolation(lo,fo,yo,xo,bo,vo,To,new Zs),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function wo(t,e,s,i,r,n){po.subVectors(t,s).addScalar(.5).multiply(i),void 0!==r?(mo.x=n*po.x-r*po.y,mo.y=r*po.x+n*po.y):mo.copy(po),t.copy(e),t.x+=mo.x,t.y+=mo.y,t.applyMatrix4(go)}const So=new Ri,Mo=new Ri;class Ao extends Br{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,s=e.length;t0){let s,i;for(s=1,i=e.length;s0){So.setFromMatrixPosition(this.matrixWorld);const s=t.ray.origin.distanceTo(So);this.getObjectForDistance(s).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){So.setFromMatrixPosition(t.matrixWorld),Mo.setFromMatrixPosition(this.matrixWorld);const s=So.distanceTo(Mo)/t.zoom;let i,r;for(e[0].object.visible=!0,i=1,r=e.length;i=t))break;e[i-1].object.visible=!1,e[i].object.visible=!0}for(this._currentLevel=i-1;i1?null:e.copy(t.start).addScaledVector(s,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),s=this.distanceToPoint(t.end);return e<0&&s>0||s<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const s=e||Ko.getNormalMatrix(t),i=this.coplanarPoint(Zo).applyMatrix4(t),r=this.normal.applyMatrix3(s).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ea=new Yi,sa=new Ri;class ia{constructor(t=new ta,e=new ta,s=new ta,i=new ta,r=new ta,n=new ta){this.planes=[t,e,s,i,r,n]}set(t,e,s,i,r,n){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(s),o[3].copy(i),o[4].copy(r),o[5].copy(n),this}copy(t){const e=this.planes;for(let s=0;s<6;s++)e[s].copy(t.planes[s]);return this}setFromProjectionMatrix(t,e=2e3){const s=this.planes,i=t.elements,r=i[0],n=i[1],o=i[2],a=i[3],h=i[4],l=i[5],u=i[6],c=i[7],d=i[8],p=i[9],m=i[10],g=i[11],f=i[12],y=i[13],x=i[14],b=i[15];if(s[0].setComponents(a-r,c-h,g-d,b-f).normalize(),s[1].setComponents(a+r,c+h,g+d,b+f).normalize(),s[2].setComponents(a+n,c+l,g+p,b+y).normalize(),s[3].setComponents(a-n,c-l,g-p,b-y).normalize(),s[4].setComponents(a-o,c-u,g-m,b-x).normalize(),e===zs)s[5].setComponents(a+o,c+u,g+m,b+x).normalize();else{if(e!==Ls)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,m,x).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ea.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ea.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ea)}intersectsSprite(t){return ea.center.set(0,0,0),ea.radius=.7071067811865476,ea.applyMatrix4(t.matrixWorld),this.intersectsSphere(ea)}intersectsSphere(t){const e=this.planes,s=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(s)0?t.max.x:t.min.x,sa.y=i.normal.y>0?t.max.y:t.min.y,sa.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(sa)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let s=0;s<6;s++)if(e[s].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function ra(t,e){return t.z-e.z}function na(t,e){return e.z-t.z}class oa{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,s){const i=this.pool,r=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});const n=i[this.index];r.push(n),this.index++,n.start=t.start,n.count=t.count,n.z=e,n.index=s}reset(){this.list.length=0,this.index=0}}const aa=new rr,ha=new rr,la=new rr,ua=new $r(1,1,1),ca=new rr,da=new ia,pa=new Bi,ma=new Yi,ga=new Ri,fa=new Ri,ya=new Ri,xa=new oa,ba=new kn,va=[];function Ta(t,e,s=0){const i=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n65535?new Uint32Array(i):new Uint16Array(i);e.setIndex(new on(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('BatchedMesh: All geometries must consistently have "index".');for(const s in e.attributes){if(!t.hasAttribute(s))throw new Error(`BatchedMesh: Added geometry missing "${s}". All geometries must have consistent attributes.`);const i=t.getAttribute(s),r=e.getAttribute(s);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Bi);const t=this._geometryCount,e=this.boundingBox,s=this._drawInfo;e.makeEmpty();for(let i=0;i=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");this._drawInfo.push({visible:!0,active:!0,geometryIndex:t});const e=this._drawInfo.length-1,s=this._matricesTexture,i=s.image.data;la.toArray(i,16*e),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(ua.toArray(r.image.data,4*e),r.needsUpdate=!0),e}addGeometry(t,e=-1,s=-1){if(this._initializeGeometry(t),this._validateGeometry(t),this._drawInfo.length>=this._maxInstanceCount)throw new Error("BatchedMesh: Maximum item count reached.");const i={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1};let r=null;const n=this._reservedRanges,o=this._drawRanges,a=this._bounds;0!==this._geometryCount&&(r=n[n.length-1]),i.vertexCount=-1===e?t.getAttribute("position").count:e,i.vertexStart=null===r?0:r.vertexStart+r.vertexCount;const h=t.getIndex(),l=null!==h;if(l&&(i.indexCount=-1===s?h.count:s,i.indexStart=null===r?0:r.indexStart+r.indexCount),-1!==i.indexStart&&i.indexStart+i.indexCount>this._maxIndexCount||i.vertexStart+i.vertexCount>this._maxVertexCount)throw new Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");const u=this._geometryCount;return this._geometryCount++,n.push(i),o.push({start:l?i.indexStart:i.vertexStart,count:-1}),a.push({boxInitialized:!1,box:new Bi,sphereInitialized:!1,sphere:new Yi}),this.setGeometryAt(u,t),u}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const s=this.geometry,i=null!==s.getIndex(),r=s.getIndex(),n=e.getIndex(),o=this._reservedRanges[t];if(i&&n.count>o.indexCount||e.attributes.position.count>o.vertexCount)throw new Error("BatchedMesh: Reserved space not large enough for provided geometry.");const a=o.vertexStart,h=o.vertexCount;for(const t in s.attributes){const i=e.getAttribute(t),r=s.getAttribute(t);Ta(i,r,a);const n=i.itemSize;for(let t=i.count,e=h;t=this._geometryCount)return null;const s=this._bounds[t],i=s.box,r=this.geometry;if(!1===s.boxInitialized){i.makeEmpty();const e=r.index,n=r.attributes.position,o=this._drawRanges[t];for(let t=o.start,s=o.start+o.count;t=this._geometryCount)return null;const s=this._bounds[t],i=s.sphere,r=this.geometry;if(!1===s.sphereInitialized){i.makeEmpty(),this.getBoundingBoxAt(t,pa),pa.getCenter(i.center);const e=r.index,n=r.attributes.position,o=this._drawRanges[t];let a=0;for(let t=o.start,s=o.start+o.count;t=s.length||!1===s[t].active||(e.toArray(r,16*t),i.needsUpdate=!0),this}getMatrixAt(t,e){const s=this._drawInfo,i=this._matricesTexture.image.data;return t>=s.length||!1===s[t].active?null:e.fromArray(i,16*t)}setColorAt(t,e){null===this._colorsTexture&&this._initColorsTexture();const s=this._colorsTexture,i=this._colorsTexture.image.data,r=this._drawInfo;return t>=r.length||!1===r[t].active||(e.toArray(i,4*t),s.needsUpdate=!0),this}getColorAt(t,e){const s=this._colorsTexture.image.data,i=this._drawInfo;return t>=i.length||!1===i[t].active?null:e.fromArray(s,4*t)}setVisibleAt(t,e){const s=this._drawInfo;return t>=s.length||!1===s[t].active||s[t].visible===e||(s[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){const e=this._drawInfo;return!(t>=e.length||!1===e[t].active)&&e[t].visible}raycast(t,e){const s=this._drawInfo,i=this._drawRanges,r=this.matrixWorld,n=this.geometry;ba.material=this.material,ba.geometry.index=n.index,ba.geometry.attributes=n.attributes,null===ba.geometry.boundingBox&&(ba.geometry.boundingBox=new Bi),null===ba.geometry.boundingSphere&&(ba.geometry.boundingSphere=new Yi);for(let n=0,o=s.length;n({...t}))),this._reservedRanges=t._reservedRanges.map((t=>({...t}))),this._drawInfo=t._drawInfo.map((t=>({...t}))),this._bounds=t._bounds.map((t=>({boxInitialized:t.boxInitialized,box:t.box.clone(),sphereInitialized:t.sphereInitialized,sphere:t.sphere.clone()}))),this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._geometryCount=t._geometryCount,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(t,e,s,i,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=i.getIndex(),o=null===n?1:n.array.BYTES_PER_ELEMENT,a=this._drawInfo,h=this._multiDrawStarts,l=this._multiDrawCounts,u=this._drawRanges,c=this.perObjectFrustumCulled,d=this._indirectTexture,p=d.image.data;c&&(ca.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse).multiply(this.matrixWorld),da.setFromProjectionMatrix(ca,t.coordinateSystem));let m=0;if(this.sortObjects){ha.copy(this.matrixWorld).invert(),ga.setFromMatrixPosition(s.matrixWorld).applyMatrix4(ha),fa.set(0,0,-1).transformDirection(s.matrixWorld).transformDirection(ha);for(let t=0,e=a.length;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;ti)return;Ca.applyMatrix4(t.matrixWorld);const a=e.ray.origin.distanceTo(Ca);return ae.far?void 0:{distance:a,point:Ea.clone().applyMatrix4(t.matrixWorld),index:r,face:null,faceIndex:null,object:t}}const Pa=new Ri,Fa=new Ri;class Ua extends Ba{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,s=[];for(let t=0,i=e.count;t0){const s=t[e[0]];if(void 0!==s){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=s.length;tr.far)return;n.push({distance:h,distanceToRay:Math.sqrt(a),point:s,index:e,face:null,object:o})}}class ja extends Br{constructor(){super(),this.isGroup=!0,this.type="Group"}}class Ha extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isVideoTexture=!0,this.minFilter=void 0!==n?n:Tt,this.magFilter=void 0!==r?r:Tt,this.generateMipmaps=!1;const l=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){l.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class qa extends bi{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class $a extends bi{constructor(t,e,s,i,r,n,o,a,h,l,u,c){super(null,n,o,a,h,l,i,r,u,c),this.isCompressedTexture=!0,this.image={width:e,height:s},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class Xa extends $a{constructor(t,e,s,i,r,n){super(t,e,s,r,n),this.isCompressedArrayTexture=!0,this.image.depth=i,this.wrapR=mt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Ya extends $a{constructor(t,e,s){super(void 0,t[0].width,t[0].height,e,s,ht),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class Ja extends bi{constructor(t,e,s,i,r,n,o,a,h){super(t,e,s,i,r,n,o,a,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class Za extends bi{constructor(t,e,s,i,r,n,o,a,h,l=1026){if(l!==Wt&&l!==jt)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===s&&l===Wt&&(s=Bt),void 0===s&&l===jt&&(s=Ot),super(null,i,r,n,o,a,l,s,h),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==o?o:ft,this.minFilter=void 0!==a?a:ft,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Qa{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const s=this.getUtoTmapping(t);return this.getPoint(s,e)}getPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPoint(s/t));return e}getSpacedPoints(t=5){const e=[];for(let s=0;s<=t;s++)e.push(this.getPointAt(s/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let s,i=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)s=this.getPoint(n/t),r+=s.distanceTo(i),e.push(r),i=s;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const s=this.getLengths();let i=0;const r=s.length;let n;n=e||t*s[r-1];let o,a=0,h=r-1;for(;a<=h;)if(i=Math.floor(a+(h-a)/2),o=s[i]-n,o<0)a=i+1;else{if(!(o>0)){h=i;break}h=i-1}if(i=h,s[i]===n)return i/(r-1);const l=s[i];return(i+(n-l)/(s[i+1]-l))/(r-1)}getTangent(t,e){const s=1e-4;let i=t-s,r=t+s;i<0&&(i=0),r>1&&(r=1);const n=this.getPoint(i),o=this.getPoint(r),a=e||(n.isVector2?new Zs:new Ri);return a.copy(o).sub(n).normalize(),a}getTangentAt(t,e){const s=this.getUtoTmapping(t);return this.getTangent(s,e)}computeFrenetFrames(t,e){const s=new Ri,i=[],r=[],n=[],o=new Ri,a=new rr;for(let e=0;e<=t;e++){const s=e/t;i[e]=this.getTangentAt(s,new Ri)}r[0]=new Ri,n[0]=new Ri;let h=Number.MAX_VALUE;const l=Math.abs(i[0].x),u=Math.abs(i[0].y),c=Math.abs(i[0].z);l<=h&&(h=l,s.set(1,0,0)),u<=h&&(h=u,s.set(0,1,0)),c<=h&&s.set(0,0,1),o.crossVectors(i[0],s).normalize(),r[0].crossVectors(i[0],o),n[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),o.crossVectors(i[e-1],i[e]),o.length()>Number.EPSILON){o.normalize();const t=Math.acos(Hs(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(a.makeRotationAxis(o,t))}n[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(Hs(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(o.crossVectors(r[0],r[t]))>0&&(e=-e);for(let s=1;s<=t;s++)r[s].applyMatrix4(a.makeRotationAxis(i[s],e*s)),n[s].crossVectors(i[s],r[s])}return{tangents:i,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Ka extends Qa{constructor(t=0,e=0,s=1,i=1,r=0,n=2*Math.PI,o=!1,a=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=s,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=o,this.aRotation=a}getPoint(t,e=new Zs){const s=e,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?o=i[(h-1)%r]:(sh.subVectors(i[0],i[1]).add(i[0]),o=sh);const u=i[h%r],c=i[(h+1)%r];if(this.closed||h+2i.length-2?i.length-1:n+1],u=i[n>i.length-3?i.length-1:n+2];return s.set(ah(o,a.x,h.x,l.x,u.x),ah(o,a.y,h.y,l.y,u.y)),s}copy(t){super.copy(t),this.points=[];for(let e=0,s=t.points.length;e=s){const t=i[r]-s,n=this.curves[r],o=n.getLength(),a=0===o?0:1-t/o;return n.getPointAt(a,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let s=0,i=this.curves.length;s1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,s=t.curves.length;e0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class vh extends wn{constructor(t=[new Zs(0,-.5),new Zs(.5,0),new Zs(0,.5)],e=12,s=0,i=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:s,phiLength:i},e=Math.floor(e),i=Hs(i,0,2*Math.PI);const r=[],n=[],o=[],a=[],h=[],l=1/e,u=new Ri,c=new Zs,d=new Ri,p=new Ri,m=new Ri;let g=0,f=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,m.copy(d),d.normalize(),a.push(d.x,d.y,d.z);break;case t.length-1:a.push(m.x,m.y,m.z);break;default:g=t[e+1].x-t[e].x,f=t[e+1].y-t[e].y,d.x=1*f,d.y=-g,d.z=0*f,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),a.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=s+r*l*i,p=Math.sin(d),m=Math.cos(d);for(let s=0;s<=t.length-1;s++){u.x=t[s].x*p,u.y=t[s].y,u.z=t[s].x*m,n.push(u.x,u.y,u.z),c.x=r/e,c.y=s/(t.length-1),o.push(c.x,c.y);const i=a[3*s+0]*p,l=a[3*s+1],d=a[3*s+0]*m;h.push(i,l,d)}}for(let s=0;s0&&y(!0),e>0&&y(!1)),this.setIndex(l),this.setAttribute("position",new gn(u,3)),this.setAttribute("normal",new gn(c,3)),this.setAttribute("uv",new gn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new wh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Sh extends wh{constructor(t=1,e=1,s=32,i=1,r=!1,n=0,o=2*Math.PI){super(0,t,e,s,i,r,n,o),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:s,heightSegments:i,openEnded:r,thetaStart:n,thetaLength:o}}static fromJSON(t){return new Sh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Mh extends wn{constructor(t=[],e=[],s=1,i=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:s,detail:i};const r=[],n=[];function o(t,e,s,i){const r=i+1,n=[];for(let i=0;i<=r;i++){n[i]=[];const o=t.clone().lerp(s,i/r),a=e.clone().lerp(s,i/r),h=r-i;for(let t=0;t<=h;t++)n[i][t]=0===t&&i===r?o:o.clone().lerp(a,t/h)}for(let t=0;t.9&&o<.1&&(e<.2&&(n[t+0]+=1),s<.2&&(n[t+2]+=1),i<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new gn(r,3)),this.setAttribute("normal",new gn(r.slice(),3)),this.setAttribute("uv",new gn(n,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Mh(t.vertices,t.indices,t.radius,t.details)}}class Ah extends Mh{constructor(t=1,e=0){const s=(1+Math.sqrt(5))/2,i=1/s;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-s,0,-i,s,0,i,-s,0,i,s,-i,-s,0,-i,s,0,i,-s,0,i,s,0,-s,0,-i,s,0,-i,-s,0,i,s,0,i],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ah(t.radius,t.detail)}}const Nh=new Ri,Rh=new Ri,Ch=new Ri,Eh=new Gr;class Bh extends wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const 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b=t.prevZ,v=t.nextZ;for(;b&&b.z>=y&&v&&v.z<=x;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;if(b=b.prevZ,v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}for(;b&&b.z>=y;){if(b.x>=p&&b.x<=g&&b.y>=m&&b.y<=f&&b!==r&&b!==o&&qh(a,u,h,c,l,d,b.x,b.y)&&Xh(b.prev,b,b.next)>=0)return!1;b=b.prevZ}for(;v&&v.z<=x;){if(v.x>=p&&v.x<=g&&v.y>=m&&v.y<=f&&v!==r&&v!==o&&qh(a,u,h,c,l,d,v.x,v.y)&&Xh(v.prev,v,v.next)>=0)return!1;v=v.nextZ}return!0}function Vh(t,e,s){let i=t;do{const r=i.prev,n=i.next.next;!Yh(r,n)&&Jh(r,i,i.next,n)&&Kh(r,n)&&Kh(n,r)&&(e.push(r.i/s|0),e.push(i.i/s|0),e.push(n.i/s|0),sl(i),sl(i.next),i=t=n),i=i.next}while(i!==t);return Uh(i)}function Dh(t,e,s,i,r,n){let o=t;do{let t=o.next.next;for(;t!==o.prev;){if(o.i!==t.i&&$h(o,t)){let a=tl(o,t);return o=Uh(o,o.next),a=Uh(a,a.next),Oh(o,e,s,i,r,n,0),void Oh(a,e,s,i,r,n,0)}t=t.next}o=o.next}while(o!==t)}function kh(t,e){return t.x-e.x}function Gh(t,e){const s=function(t,e){let s,i=e,r=-1/0;const n=t.x,o=t.y;do{if(o<=i.y&&o>=i.next.y&&i.next.y!==i.y){const t=i.x+(o-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=n&&t>r&&(r=t,s=i.x=i.x&&i.x>=h&&n!==i.x&&qh(os.x||i.x===s.x&&Wh(s,i)))&&(s=i,c=u)),i=i.next}while(i!==a);return s}(t,e);if(!s)return e;const i=tl(s,t);return Uh(i,i.next),Uh(s,s.next)}function Wh(t,e){return Xh(t.prev,t,e.prev)<0&&Xh(e.next,t,t.next)<0}function jh(t,e,s,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=(t-s)*r|0)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=(e-i)*r|0)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function Hh(t){let e=t,s=t;do{(e.x=(t-o)*(n-a)&&(t-o)*(i-a)>=(s-o)*(e-a)&&(s-o)*(n-a)>=(r-o)*(i-a)}function $h(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let s=t;do{if(s.i!==t.i&&s.next.i!==t.i&&s.i!==e.i&&s.next.i!==e.i&&Jh(s,s.next,t,e))return!0;s=s.next}while(s!==t);return!1}(t,e)&&(Kh(t,e)&&Kh(e,t)&&function(t,e){let s=t,i=!1;const r=(t.x+e.x)/2,n=(t.y+e.y)/2;do{s.y>n!=s.next.y>n&&s.next.y!==s.y&&r<(s.next.x-s.x)*(n-s.y)/(s.next.y-s.y)+s.x&&(i=!i),s=s.next}while(s!==t);return i}(t,e)&&(Xh(t.prev,t,e.prev)||Xh(t,e.prev,e))||Yh(t,e)&&Xh(t.prev,t,t.next)>0&&Xh(e.prev,e,e.next)>0)}function Xh(t,e,s){return(e.y-t.y)*(s.x-e.x)-(e.x-t.x)*(s.y-e.y)}function Yh(t,e){return t.x===e.x&&t.y===e.y}function Jh(t,e,s,i){const r=Qh(Xh(t,e,s)),n=Qh(Xh(t,e,i)),o=Qh(Xh(s,i,t)),a=Qh(Xh(s,i,e));return r!==n&&o!==a||(!(0!==r||!Zh(t,s,e))||(!(0!==n||!Zh(t,i,e))||(!(0!==o||!Zh(s,t,i))||!(0!==a||!Zh(s,e,i)))))}function Zh(t,e,s){return e.x<=Math.max(t.x,s.x)&&e.x>=Math.min(t.x,s.x)&&e.y<=Math.max(t.y,s.y)&&e.y>=Math.min(t.y,s.y)}function Qh(t){return t>0?1:t<0?-1:0}function Kh(t,e){return Xh(t.prev,t,t.next)<0?Xh(t,e,t.next)>=0&&Xh(t,t.prev,e)>=0:Xh(t,e,t.prev)<0||Xh(t,t.next,e)<0}function tl(t,e){const s=new il(t.i,t.x,t.y),i=new il(e.i,e.x,e.y),r=t.next,n=e.prev;return t.next=e,e.prev=t,s.next=r,r.prev=s,i.next=s,s.prev=i,n.next=i,i.prev=n,i}function el(t,e,s,i){const r=new il(t,e,s);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function sl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function il(t,e,s){this.i=t,this.x=e,this.y=s,this.prev=null,this.next=null,this.z=0,this.prevZ=null,this.nextZ=null,this.steiner=!1}class rl{static area(t){const e=t.length;let s=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function ol(t,e){for(let s=0;sNumber.EPSILON){const c=Math.sqrt(u),d=Math.sqrt(h*h+l*l),p=e.x-a/c,m=e.y+o/c,g=((s.x-l/d-p)*l-(s.y+h/d-m)*h)/(o*l-a*h);i=p+o*g-t.x,r=m+a*g-t.y;const f=i*i+r*r;if(f<=2)return new Zs(i,r);n=Math.sqrt(f/2)}else{let t=!1;o>Number.EPSILON?h>Number.EPSILON&&(t=!0):o<-Number.EPSILON?h<-Number.EPSILON&&(t=!0):Math.sign(a)===Math.sign(l)&&(t=!0),t?(i=-a,r=o,n=Math.sqrt(u)):(i=o,r=a,n=Math.sqrt(u/2))}return new Zs(i/n,r/n)}const B=[];for(let t=0,e=A.length,s=e-1,i=t+1;t=0;t--){const e=t/p,s=u*Math.cos(e*Math.PI/2),i=c*Math.sin(e*Math.PI/2)+d;for(let t=0,e=A.length;t=0;){const i=s;let r=s-1;r<0&&(r=t.length-1);for(let t=0,s=a+2*p;t0)&&d.push(e,r,h),(t!==s-1||a0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Al extends Jr{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new $r(16777215),this.specular=new $r(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Nl extends Jr{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new $r(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Rl extends Jr{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Cl extends Jr{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new $r(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new $r(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new mr,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class El extends Jr{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class Bl extends Jr{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class Il extends Jr{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new $r(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Zs(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Pl extends wa{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Fl(t,e,s){return!t||!s&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function Ul(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Ol(t){const e=t.length,s=new Array(e);for(let t=0;t!==e;++t)s[t]=t;return s.sort((function(e,s){return t[e]-t[s]})),s}function zl(t,e,s){const i=t.length,r=new t.constructor(i);for(let n=0,o=0;o!==i;++n){const i=s[n]*e;for(let s=0;s!==e;++s)r[o++]=t[i+s]}return r}function Ll(t,e,s,i){let r=1,n=t[0];for(;void 0!==n&&void 0===n[i];)n=t[r++];if(void 0===n)return;let o=n[i];if(void 0!==o)if(Array.isArray(o))do{o=n[i],void 0!==o&&(e.push(n.time),s.push.apply(s,o)),n=t[r++]}while(void 0!==n);else if(void 0!==o.toArray)do{o=n[i],void 0!==o&&(e.push(n.time),o.toArray(s,s.length)),n=t[r++]}while(void 0!==n);else do{o=n[i],void 0!==o&&(e.push(n.time),s.push(o)),n=t[r++]}while(void 0!==n)}const Vl={convertArray:Fl,isTypedArray:Ul,getKeyframeOrder:Ol,sortedArray:zl,flattenJSON:Ll,subclip:function(t,e,s,i,r=30){const n=t.clone();n.name=e;const o=[];for(let t=0;t=i)){h.push(e.times[t]);for(let s=0;sn.tracks[t].times[0]&&(a=n.tracks[t].times[0]);for(let t=0;t=i.times[c]){const t=c*h+a,e=t+h-a;d=i.values.slice(t,e)}else{const t=i.createInterpolant(),e=a,s=h-a;t.evaluate(n),d=t.resultBuffer.slice(e,s)}if("quaternion"===r){(new Ni).fromArray(d).normalize().conjugate().toArray(d)}const p=o.times.length;for(let t=0;t=r)break t;{const o=e[1];t=r)break e}n=s,s=0}}for(;s>>1;te;)--n;if(++n,0!==r||n!==i){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=s.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const s=this.times,i=this.values,r=s.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const i=s[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==n&&n>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,n),t=!1;break}n=i}if(void 0!==i&&Ul(i))for(let e=0,s=i.length;e!==s;++e){const s=i[e];if(isNaN(s)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,s),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),s=this.getValueSize(),i=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let o=1;o0){t[n]=t[r];for(let t=r*s,i=n*s,o=0;o!==s;++o)e[i+o]=e[t+o];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*s)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),s=new(0,this.constructor)(this.name,t,e);return s.createInterpolant=this.createInterpolant,s}}jl.prototype.TimeBufferType=Float32Array,jl.prototype.ValueBufferType=Float32Array,jl.prototype.DefaultInterpolation=Pe;class Hl extends jl{constructor(t,e,s){super(t,e,s)}}Hl.prototype.ValueTypeName="bool",Hl.prototype.ValueBufferType=Array,Hl.prototype.DefaultInterpolation=Ie,Hl.prototype.InterpolantFactoryMethodLinear=void 0,Hl.prototype.InterpolantFactoryMethodSmooth=void 0;class ql extends jl{}ql.prototype.ValueTypeName="color";class $l extends jl{}$l.prototype.ValueTypeName="number";class Xl extends Dl{constructor(t,e,s,i){super(t,e,s,i)}interpolate_(t,e,s,i){const r=this.resultBuffer,n=this.sampleValues,o=this.valueSize,a=(s-e)/(i-e);let h=t*o;for(let t=h+o;h!==t;h+=4)Ni.slerpFlat(r,0,n,h-o,n,h,a);return r}}class Yl extends jl{InterpolantFactoryMethodLinear(t){return new Xl(this.times,this.values,this.getValueSize(),t)}}Yl.prototype.ValueTypeName="quaternion",Yl.prototype.InterpolantFactoryMethodSmooth=void 0;class Jl extends jl{constructor(t,e,s){super(t,e,s)}}Jl.prototype.ValueTypeName="string",Jl.prototype.ValueBufferType=Array,Jl.prototype.DefaultInterpolation=Ie,Jl.prototype.InterpolantFactoryMethodLinear=void 0,Jl.prototype.InterpolantFactoryMethodSmooth=void 0;class Zl extends jl{}Zl.prototype.ValueTypeName="vector";class Ql{constructor(t="",e=-1,s=[],i=2500){this.name=t,this.tracks=s,this.duration=e,this.blendMode=i,this.uuid=js(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],s=t.tracks,i=1/(t.fps||1);for(let t=0,r=s.length;t!==r;++t)e.push(Kl(s[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],s=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=s.length;t!==i;++t)e.push(jl.toJSON(s[t]));return i}static CreateFromMorphTargetSequence(t,e,s,i){const r=e.length,n=[];for(let t=0;t1){const t=n[1];let e=i[t];e||(i[t]=e=[]),e.push(s)}}const n=[];for(const t in i)n.push(this.CreateFromMorphTargetSequence(t,i[t],e,s));return n}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const s=function(t,e,s,i,r){if(0!==s.length){const n=[],o=[];Ll(s,n,o,i),0!==n.length&&r.push(new t(e,n,o))}},i=[],r=t.name||"default",n=t.fps||30,o=t.blendMode;let a=t.length||-1;const h=t.hierarchy||[];for(let t=0;t{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==ru[t])return void ru[t].push({onLoad:e,onProgress:s,onError:i});ru[t]=[],ru[t].push({onLoad:e,onProgress:s,onError:i});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),o=this.mimeType,a=this.responseType;fetch(n).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const s=ru[t],i=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,o=0!==n;let a=0;const h=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{a+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n});for(let t=0,e=s.length;t{t.error(e)}))}()}});return new Response(h)}throw new nu(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(a){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,o)));case"json":return t.json();default:if(void 0===o)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(o),s=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(s);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{tu.add(t,e);const s=ru[t];delete ru[t];for(let t=0,i=s.length;t{const s=ru[t];if(void 0===s)throw this.manager.itemError(t),e;delete ru[t];for(let t=0,i=s.length;t{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class au extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(s){try{e(r.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),s,i)}parse(t){const e=[];for(let s=0;s0:i.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(i.uniforms[e]={},r.type){case"t":i.uniforms[e].value=s(r.value);break;case"c":i.uniforms[e].value=(new $r).setHex(r.value);break;case"v2":i.uniforms[e].value=(new Zs).fromArray(r.value);break;case"v3":i.uniforms[e].value=(new Ri).fromArray(r.value);break;case"v4":i.uniforms[e].value=(new vi).fromArray(r.value);break;case"m3":i.uniforms[e].value=(new Qs).fromArray(r.value);break;case"m4":i.uniforms[e].value=(new rr).fromArray(r.value);break;default:i.uniforms[e].value=r.value}}if(void 0!==t.defines&&(i.defines=t.defines),void 0!==t.vertexShader&&(i.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(i.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(i.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)i.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(i.lights=t.lights),void 0!==t.clipping&&(i.clipping=t.clipping),void 0!==t.size&&(i.size=t.size),void 0!==t.sizeAttenuation&&(i.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(i.map=s(t.map)),void 0!==t.matcap&&(i.matcap=s(t.matcap)),void 0!==t.alphaMap&&(i.alphaMap=s(t.alphaMap)),void 0!==t.bumpMap&&(i.bumpMap=s(t.bumpMap)),void 0!==t.bumpScale&&(i.bumpScale=t.bumpScale),void 0!==t.normalMap&&(i.normalMap=s(t.normalMap)),void 0!==t.normalMapType&&(i.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),i.normalScale=(new Zs).fromArray(e)}return void 0!==t.displacementMap&&(i.displacementMap=s(t.displacementMap)),void 0!==t.displacementScale&&(i.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(i.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(i.roughnessMap=s(t.roughnessMap)),void 0!==t.metalnessMap&&(i.metalnessMap=s(t.metalnessMap)),void 0!==t.emissiveMap&&(i.emissiveMap=s(t.emissiveMap)),void 0!==t.emissiveIntensity&&(i.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(i.specularMap=s(t.specularMap)),void 0!==t.specularIntensityMap&&(i.specularIntensityMap=s(t.specularIntensityMap)),void 0!==t.specularColorMap&&(i.specularColorMap=s(t.specularColorMap)),void 0!==t.envMap&&(i.envMap=s(t.envMap)),void 0!==t.envMapRotation&&i.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(i.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(i.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(i.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(i.lightMap=s(t.lightMap)),void 0!==t.lightMapIntensity&&(i.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(i.aoMap=s(t.aoMap)),void 0!==t.aoMapIntensity&&(i.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(i.gradientMap=s(t.gradientMap)),void 0!==t.clearcoatMap&&(i.clearcoatMap=s(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=s(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(i.clearcoatNormalMap=s(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(i.clearcoatNormalScale=(new Zs).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(i.iridescenceMap=s(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(i.iridescenceThicknessMap=s(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(i.transmissionMap=s(t.transmissionMap)),void 0!==t.thicknessMap&&(i.thicknessMap=s(t.thicknessMap)),void 0!==t.anisotropyMap&&(i.anisotropyMap=s(t.anisotropyMap)),void 0!==t.sheenColorMap&&(i.sheenColorMap=s(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(i.sheenRoughnessMap=s(t.sheenRoughnessMap)),i}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:_l,SpriteMaterial:ao,RawShaderMaterial:wl,ShaderMaterial:Hn,PointsMaterial:za,MeshPhysicalMaterial:Ml,MeshStandardMaterial:Sl,MeshPhongMaterial:Al,MeshToonMaterial:Nl,MeshNormalMaterial:Rl,MeshLambertMaterial:Cl,MeshDepthMaterial:El,MeshDistanceMaterial:Bl,MeshBasicMaterial:Zr,MeshMatcapMaterial:Il,LineDashedMaterial:Pl,LineBasicMaterial:wa,Material:Jr}[t]}}class Fu{static decodeText(t){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let s=0,i=t.length;s0){const s=new eu(e);r=new lu(s),r.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e0){i=new lu(this.manager),i.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e{const e=new Bi;e.min.fromArray(t.boxMin),e.max.fromArray(t.boxMax);const s=new Yi;return s.radius=t.sphereRadius,s.center.fromArray(t.sphereCenter),{boxInitialized:t.boxInitialized,box:e,sphereInitialized:t.sphereInitialized,sphere:s}})),n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._geometryCount=t.geometryCount,n._matricesTexture=u(t.matricesTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=u(t.colorsTexture.uuid));break;case"LOD":n=new Ao;break;case"Line":n=new Ba(h(t.geometry),l(t.material));break;case"LineLoop":n=new Oa(h(t.geometry),l(t.material));break;case"LineSegments":n=new Ua(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new Ga(h(t.geometry),l(t.material));break;case"Sprite":n=new _o(l(t.material));break;case"Group":n=new ja;break;case"Bone":n=new zo;break;default:n=new Br}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const o=t.children;for(let t=0;t{e&&e(s),r.manager.itemEnd(t)})).catch((t=>{i&&i(t)})):(setTimeout((function(){e&&e(n),r.manager.itemEnd(t)}),0),n);const o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",o.headers=this.requestHeader;const a=fetch(t,o).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(s){return tu.add(t,s),e&&e(s),r.manager.itemEnd(t),s})).catch((function(e){i&&i(e),tu.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));tu.add(t,a),r.manager.itemStart(t)}}let Gu;class Wu{static getContext(){return void 0===Gu&&(Gu=new(window.AudioContext||window.webkitAudioContext)),Gu}static setContext(t){Gu=t}}class ju extends iu{constructor(t){super(t)}load(t,e,s,i){const r=this,n=new ou(this.manager);function o(e){i?i(e):console.error(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,(function(t){try{const s=t.slice(0);Wu.getContext().decodeAudioData(s,(function(t){e(t)})).catch(o)}catch(t){o(t)}}),s,i)}}const Hu=new rr,qu=new rr,$u=new rr;class Xu{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Jn,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Jn,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,$u.copy(t.projectionMatrix);const s=e.eyeSep/2,i=s*e.near/e.focus,r=e.near*Math.tan(Gs*e.fov*.5)/e.zoom;let n,o;qu.elements[12]=-s,Hu.elements[12]=s,n=-r*e.aspect+i,o=r*e.aspect+i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraL.projectionMatrix.copy($u),n=-r*e.aspect-i,o=r*e.aspect-i,$u.elements[0]=2*e.near/(o-n),$u.elements[8]=(o+n)/(o-n),this.cameraR.projectionMatrix.copy($u)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(qu),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Hu)}}class Yu extends Jn{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Ju{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Zu(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=Zu();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function Zu(){return("undefined"==typeof performance?Date:performance).now()}const Qu=new Ri,Ku=new Ni,tc=new Ri,ec=new Ri;class sc extends Br{constructor(){super(),this.type="AudioListener",this.context=Wu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Ju}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,s=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Qu,Ku,tc),ec.set(0,0,-1).applyQuaternion(Ku),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Qu.x,t),e.positionY.linearRampToValueAtTime(Qu.y,t),e.positionZ.linearRampToValueAtTime(Qu.z,t),e.forwardX.linearRampToValueAtTime(ec.x,t),e.forwardY.linearRampToValueAtTime(ec.y,t),e.forwardZ.linearRampToValueAtTime(ec.z,t),e.upX.linearRampToValueAtTime(s.x,t),e.upY.linearRampToValueAtTime(s.y,t),e.upZ.linearRampToValueAtTime(s.z,t)}else e.setPosition(Qu.x,Qu.y,Qu.z),e.setOrientation(ec.x,ec.y,ec.z,s.x,s.y,s.z)}}class ic extends Br{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(s,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(s[t]!==s[t+e]){o.setValue(s,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,s=this.valueSize,i=s*this._origIndex;t.getValue(e,i);for(let t=s,r=i;t!==r;++t)e[t]=e[i+t%s];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let s=t;s=.5)for(let i=0;i!==r;++i)t[e+i]=t[s+i]}_slerp(t,e,s,i){Ni.slerpFlat(t,e,t,e,t,s,i)}_slerpAdditive(t,e,s,i,r){const n=this._workIndex*r;Ni.multiplyQuaternionsFlat(t,n,t,e,t,s),Ni.slerpFlat(t,e,t,e,t,n,i)}_lerp(t,e,s,i,r){const n=1-i;for(let o=0;o!==r;++o){const r=e+o;t[r]=t[r]*n+t[s+o]*i}}_lerpAdditive(t,e,s,i,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[s+n]*i}}}const cc="\\[\\]\\.:\\/",dc=new RegExp("["+cc+"]","g"),pc="[^"+cc+"]",mc="[^"+cc.replace("\\.","")+"]",gc=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",pc)+/(WCOD+)?/.source.replace("WCOD",mc)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",pc)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",pc)+"$"),fc=["material","materials","bones","map"];class yc{constructor(t,e,s){this.path=e,this.parsedPath=s||yc.parseTrackName(e),this.node=yc.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,s){return t&&t.isAnimationObjectGroup?new yc.Composite(t,e,s):new yc(t,e,s)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(dc,"")}static parseTrackName(t){const e=gc.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const s={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=s.nodeName&&s.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=s.nodeName.substring(i+1);-1!==fc.indexOf(t)&&(s.nodeName=s.nodeName.substring(0,i),s.objectName=t)}if(null===s.propertyName||0===s.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return s}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const s=t.skeleton.getBoneByName(e);if(void 0!==s)return s}if(t.children){const s=function(t){for(let i=0;i=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[a]=n,t[n]=o;for(let t=0,e=i;t!==e;++t){const e=s[t],i=e[n],r=e[h];e[h]=i,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,s=this._bindings,i=s.length;let r=this.nCachedObjects_,n=t.length;for(let o=0,a=arguments.length;o!==a;++o){const a=arguments[o].uuid,h=e[a];if(void 0!==h)if(delete e[a],h0&&(e[o.uuid]=h),t[h]=o,t.pop();for(let t=0,e=i;t!==e;++t){const e=s[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const s=this._bindingsIndicesByPath;let i=s[t];const r=this._bindings;if(void 0!==i)return r[i];const n=this._paths,o=this._parsedPaths,a=this._objects,h=a.length,l=this.nCachedObjects_,u=new Array(h);i=r.length,s[t]=i,n.push(t),o.push(e),r.push(u);for(let s=l,i=a.length;s!==i;++s){const i=a[s];u[s]=new yc(i,t,e)}return u}unsubscribe_(t){const e=this._bindingsIndicesByPath,s=e[t];if(void 0!==s){const i=this._paths,r=this._parsedPaths,n=this._bindings,o=n.length-1,a=n[o];e[t[o]]=s,n[s]=a,n.pop(),r[s]=r[o],r.pop(),i[s]=i[o],i.pop()}}}class bc{constructor(t,e,s=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=s,this.blendMode=i;const r=e.tracks,n=r.length,o=new Array(n),a={endingStart:Ue,endingEnd:Ue};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);o[t]=e,e.settings=a}this._interpolantSettings=a,this._interpolants=o,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,s){if(t.fadeOut(e),this.fadeIn(e),s){const s=this._clip.duration,i=t._clip.duration,r=i/s,n=s/i;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,s){return t.crossFadeFrom(this,e,s)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,s){const i=this._mixer,r=i.time,n=this.timeScale;let o=this._timeScaleInterpolant;null===o&&(o=i._lendControlInterpolant(),this._timeScaleInterpolant=o);const a=o.parameterPositions,h=o.sampleValues;return a[0]=r,a[1]=r+s,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,s,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*s;i<0||0===s?e=0:(this._startTime=null,e=s*i)}e*=this._updateTimeScale(t);const n=this._updateTime(e),o=this._updateWeight(t);if(o>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Ve)for(let s=0,i=t.length;s!==i;++s)t[s].evaluate(n),e[s].accumulateAdditive(o);else for(let s=0,r=t.length;s!==r;++s)t[s].evaluate(n),e[s].accumulate(i,o)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const s=this._weightInterpolant;if(null!==s){const i=s.evaluate(t)[0];e*=i,t>s.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const s=this._timeScaleInterpolant;if(null!==s){e*=s.evaluate(t)[0],t>s.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,s=this.loop;let i=this.time+t,r=this._loopCount;const n=2202===s;if(0===t)return-1===r?i:n&&1==(1&r)?e-i:i;if(2200===s){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),i>=e||i<0){const s=Math.floor(i/e);i-=e*s,r+=Math.abs(s);const o=this.repetitions-r;if(o<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===o){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:s})}}else this.time=i;if(n&&1==(1&r))return e-i}return i}_setEndings(t,e,s){const i=this._interpolantSettings;s?(i.endingStart=Oe,i.endingEnd=Oe):(i.endingStart=t?this.zeroSlopeAtStart?Oe:Ue:ze,i.endingEnd=e?this.zeroSlopeAtEnd?Oe:Ue:ze)}_scheduleFading(t,e,s){const i=this._mixer,r=i.time;let n=this._weightInterpolant;null===n&&(n=i._lendControlInterpolant(),this._weightInterpolant=n);const o=n.parameterPositions,a=n.sampleValues;return o[0]=r,a[0]=e,o[1]=r+t,a[1]=s,this}}const vc=new Float32Array(1);class Tc extends Vs{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const s=t._localRoot||this._root,i=t._clip.tracks,r=i.length,n=t._propertyBindings,o=t._interpolants,a=s.uuid,h=this._bindingsByRootAndName;let l=h[a];void 0===l&&(l={},h[a]=l);for(let t=0;t!==r;++t){const r=i[t],h=r.name;let u=l[h];if(void 0!==u)++u.referenceCount,n[t]=u;else{if(u=n[t],void 0!==u){null===u._cacheIndex&&(++u.referenceCount,this._addInactiveBinding(u,a,h));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;u=new uc(yc.create(s,h,i),r.ValueTypeName,r.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,a,h),n[t]=u}o[t].resultBuffer=u.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,s=t._clip.uuid,i=this._actionsByClip[s];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,s,e)}const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,s=e.length;t!==s;++t){const s=e[t];0==--s.useCount&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,s=this._nActiveActions,i=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let o=0;o!==s;++o){e[o]._update(i,t,r,n)}const o=this._bindings,a=this._nActiveBindings;for(let t=0;t!==a;++t)o[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;tthis.max.x||t.ythis.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Pc).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Uc=new Ri,Oc=new Ri;class zc{constructor(t=new Ri,e=new Ri){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){Uc.subVectors(t,this.start),Oc.subVectors(this.end,this.start);const s=Oc.dot(Oc);let i=Oc.dot(Uc)/s;return e&&(i=Hs(i,0,1)),i}closestPointToPoint(t,e,s){const i=this.closestPointToPointParameter(t,e);return this.delta(s).multiplyScalar(i).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Lc=new Ri;class Vc extends Br{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const s=new wn,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,s=32;t1)for(let s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{ud.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(ud,e)}}setLength(t,e=.2*t,s=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(s,e,s),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class md extends Ua{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],s=new wn;s.setAttribute("position",new gn(e,3)),s.setAttribute("color",new gn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(s,new wa({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,s){const i=new $r,r=this.geometry.attributes.color.array;return i.set(t),i.toArray(r,0),i.toArray(r,3),i.set(e),i.toArray(r,6),i.toArray(r,9),i.set(s),i.toArray(r,12),i.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class gd{constructor(){this.type="ShapePath",this.color=new $r,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new bh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,s,i){return this.currentPath.quadraticCurveTo(t,e,s,i),this}bezierCurveTo(t,e,s,i,r,n){return this.currentPath.bezierCurveTo(t,e,s,i,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const s=e.length;let i=!1;for(let r=s-1,n=0;nNumber.EPSILON){if(h<0&&(s=e[n],a=-a,o=e[r],h=-h),t.yo.y)continue;if(t.y===s.y){if(t.x===s.x)return!0}else{const e=h*(t.x-s.x)-a*(t.y-s.y);if(0===e)return!0;if(e<0)continue;i=!i}}else{if(t.y!==s.y)continue;if(o.x<=t.x&&t.x<=s.x||s.x<=t.x&&t.x<=o.x)return!0}}return i}const s=rl.isClockWise,i=this.subPaths;if(0===i.length)return[];let r,n,o;const a=[];if(1===i.length)return n=i[0],o=new Ih,o.curves=n.curves,a.push(o),a;let h=!s(i[0].getPoints());h=t?!h:h;const l=[],u=[];let c,d,p=[],m=0;u[m]=void 0,p[m]=[];for(let e=0,o=i.length;e1){let t=!1,s=0;for(let t=0,e=u.length;t0&&!1===t&&(p=l)}for(let t=0,e=u.length;t{this.requestId=self.requestAnimationFrame(t),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this.animationLoop&&this.animationLoop(e,s)};t()}dispose(){self.cancelAnimationFrame(this.requestId),this.requestId=null}setAnimationLoop(t){this.animationLoop=t}}class vd{constructor(){this.weakMap=new WeakMap}get(t){let e=this.weakMap;for(let s=0;s{this.dispose()},this.material.addEventListener("dispose",this.onMaterialDispose)}updateClipping(t){const e=this.material;let s=this.clippingContext;Array.isArray(e.clippingPlanes)?(s!==t&&s||(s=new wd,this.clippingContext=s),s.update(t,e)):this.clippingContext!==t&&(this.clippingContext=t)}get clippingNeedsUpdate(){return this.clippingContext.version!==this.clippingContextVersion&&(this.clippingContextVersion=this.clippingContext.version,!0)}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getIndex(){return this._geometries.getIndex(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}getAttributes(){if(null!==this.attributes)return this.attributes;const t=this.getNodeBuilderState().nodeAttributes,e=this.geometry,s=[],i=new Set;for(const r of t){const t=r.node&&r.node.attribute?r.node.attribute:e.getAttribute(r.name);if(void 0===t)continue;s.push(t);const n=t.isInterleavedBufferAttribute?t.data:t;i.add(n)}return this.attributes=s,this.vertexBuffers=Array.from(i.values()),s}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getMaterialCacheKey(){const{object:t,material:e}=this;let s=e.customProgramCacheKey();for(const t of function(t){const e=Object.keys(t);let s=Object.getPrototypeOf(t);for(;s;){const t=Object.getOwnPropertyDescriptors(s);for(const s in t)if(void 0!==t[s]){const i=t[s];i&&"function"==typeof i.get&&e.push(s)}s=Object.getPrototypeOf(s)}return e}(e)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(t))continue;let i=e[t];if(null!==i){const t=typeof i;"number"===t?i=0!==i?"1":"0":"object"===t&&(i="{}")}s+=i+","}return s+=this.clippingContextVersion+",",t.skeleton&&(s+=t.skeleton.bones.length+","),t.morphTargetInfluences&&(s+=t.morphTargetInfluences.length+","),t.isBatchedMesh&&(s+=t._matricesTexture.uuid+",",null!==t._colorsTexture&&(s+=t._colorsTexture.uuid+",")),t.count>1&&(s+=t.count+","),s}get needsUpdate(){return this.initialNodesCacheKey!==this.getNodesCacheKey()||this.clippingNeedsUpdate}getNodesCacheKey(){return this._nodes.getCacheKey(this.scene,this.lightsNode)}getCacheKey(){return this.getMaterialCacheKey()+","+this.getNodesCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.onDispose()}}class Ad{constructor(t,e,s,i,r,n){this.renderer=t,this.nodes=e,this.geometries=s,this.pipelines=i,this.bindings=r,this.info=n,this.chainMaps={}}get(t,e,s,i,r,n,o){const a=this.getChainMap(o),h=[t,e,n,r];let l=a.get(h);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,t,e,s,i,r,n,o),a.set(h,l)):(l.updateClipping(n.clippingContext),(l.version!==e.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(t,e,s,i,r,n,o)):l.version=e.version)),l}getChainMap(t="default"){return this.chainMaps[t]||(this.chainMaps[t]=new vd)}dispose(){this.chainMaps={}}createRenderObject(t,e,s,i,r,n,o,a,h,l){const u=this.getChainMap(l),c=new Md(t,e,s,i,r,n,o,a,h);return c.onDispose=()=>{this.pipelines.delete(c),this.bindings.delete(c),this.nodes.delete(c),u.delete(c.getChainArray())},c}}class Nd{constructor(){this.data=new WeakMap}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}delete(t){let e;return this.data.has(t)&&(e=this.data.get(t),this.data.delete(t)),e}has(t){return this.data.has(t)}dispose(){this.data=new WeakMap}}const Rd=1,Cd=2,Ed=4,Bd=16;class Id extends Nd{constructor(t){super(),this.backend=t}delete(t){const e=super.delete(t);return void 0!==e&&this.backend.destroyAttribute(t),e}update(t,e){const s=this.get(t);if(void 0===s.version)e===Rd?this.backend.createAttribute(t):e===Cd?this.backend.createIndexAttribute(t):e===Ed&&this.backend.createStorageAttribute(t),s.version=this._getBufferAttribute(t).version;else{const e=this._getBufferAttribute(t);(s.version=0;--e)if(t[e]>=65535)return!0;return!1}(e)?pn:cn)(e,1);return r.version=Pd(t),r}class Ud extends Nd{constructor(t,e){super(),this.attributes=t,this.info=e,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(t){const e=t.geometry;return super.has(e)&&!0===this.get(e).initialized}updateForRender(t){!1===this.has(t)&&this.initGeometry(t),this.updateAttributes(t)}initGeometry(t){const e=t.geometry;this.get(e).initialized=!0,this.info.memory.geometries++;const s=()=>{this.info.memory.geometries--;const i=e.index,r=t.getAttributes();null!==i&&this.attributes.delete(i);for(const t of r)this.attributes.delete(t);const n=this.wireframes.get(e);void 0!==n&&this.attributes.delete(n),e.removeEventListener("dispose",s)};e.addEventListener("dispose",s)}updateAttributes(t){const e=t.getAttributes();for(const t of e)t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute?this.updateAttribute(t,Ed):this.updateAttribute(t,Rd);const s=this.getIndex(t);null!==s&&this.updateAttribute(s,Cd)}updateAttribute(t,e){const s=this.info.render.calls;t.isInterleavedBufferAttribute?void 0===this.attributeCall.get(t)?(this.attributes.update(t,e),this.attributeCall.set(t,s)):this.attributeCall.get(t.data)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t.data,s),this.attributeCall.set(t,s)):this.attributeCall.get(t)!==s&&(this.attributes.update(t,e),this.attributeCall.set(t,s))}getIndex(t){const{geometry:e,material:s}=t;let i=e.index;if(!0===s.wireframe){const t=this.wireframes;let s=t.get(e);void 0===s?(s=Fd(e),t.set(e,s)):s.version!==Pd(e)&&(this.attributes.delete(s),s=Fd(e),t.set(e,s)),i=s}return i}}class Od{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.compute={calls:0,frameCalls:0,timestamp:0,previousFrameCalls:0,timestampCalls:0},this.memory={geometries:0,textures:0}}update(t,e,s){this.render.drawCalls++,t.isMesh||t.isSprite?this.render.triangles+=s*(e/3):t.isPoints?this.render.points+=s*e:t.isLineSegments?this.render.lines+=s*(e/2):t.isLine?this.render.lines+=s*(e-1):console.error("THREE.WebGPUInfo: Unknown object type.")}updateTimestamp(t,e){0===this[t].timestampCalls&&(this[t].timestamp=0),this[t].timestamp+=e,this[t].timestampCalls++,this[t].timestampCalls>=this[t].previousFrameCalls&&(this[t].timestampCalls=0)}reset(){const t=this.render.frameCalls;this.render.previousFrameCalls=t;const e=this.compute.frameCalls;this.compute.previousFrameCalls=e,this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class zd{constructor(t){this.cacheKey=t,this.usedTimes=0}}class Ld extends zd{constructor(t,e,s){super(t),this.vertexProgram=e,this.fragmentProgram=s}}class Vd extends zd{constructor(t,e){super(t),this.computeProgram=e,this.isComputePipeline=!0}}let Dd=0;class kd{constructor(t,e,s=null,i=null){this.id=Dd++,this.code=t,this.stage=e,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Gd extends Nd{constructor(t,e){super(),this.backend=t,this.nodes=e,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(t,e){const{backend:s}=this,i=this.get(t);if(this._needsComputeUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.computeProgram.usedTimes--);const n=this.nodes.getForCompute(t);let o=this.programs.compute.get(n.computeShader);void 0===o&&(r&&0===r.computeProgram.usedTimes&&this._releaseProgram(r.computeProgram),o=new kd(n.computeShader,"compute",n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,o),s.createProgram(o));const a=this._getComputeCacheKey(t,o);let h=this.caches.get(a);void 0===h&&(r&&0===r.usedTimes&&this._releasePipeline(r),h=this._getComputePipeline(t,o,a,e)),h.usedTimes++,o.usedTimes++,i.version=t.version,i.pipeline=h}return i.pipeline}getForRender(t,e=null){const{backend:s}=this,i=this.get(t);if(this._needsRenderUpdate(t)){const r=i.pipeline;r&&(r.usedTimes--,r.vertexProgram.usedTimes--,r.fragmentProgram.usedTimes--);const n=t.getNodeBuilderState();let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(r&&0===r.vertexProgram.usedTimes&&this._releaseProgram(r.vertexProgram),o=new kd(n.vertexShader,"vertex"),this.programs.vertex.set(n.vertexShader,o),s.createProgram(o));let a=this.programs.fragment.get(n.fragmentShader);void 0===a&&(r&&0===r.fragmentProgram.usedTimes&&this._releaseProgram(r.fragmentProgram),a=new kd(n.fragmentShader,"fragment"),this.programs.fragment.set(n.fragmentShader,a),s.createProgram(a));const h=this._getRenderCacheKey(t,o,a);let l=this.caches.get(h);void 0===l?(r&&0===r.usedTimes&&this._releasePipeline(r),l=this._getRenderPipeline(t,o,a,h,e)):t.pipeline=l,l.usedTimes++,o.usedTimes++,a.usedTimes++,i.pipeline=l}return i.pipeline}delete(t){const e=this.get(t).pipeline;return e&&(e.usedTimes--,0===e.usedTimes&&this._releasePipeline(e),e.isComputePipeline?(e.computeProgram.usedTimes--,0===e.computeProgram.usedTimes&&this._releaseProgram(e.computeProgram)):(e.fragmentProgram.usedTimes--,e.vertexProgram.usedTimes--,0===e.vertexProgram.usedTimes&&this._releaseProgram(e.vertexProgram),0===e.fragmentProgram.usedTimes&&this._releaseProgram(e.fragmentProgram))),super.delete(t)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(t){this.getForRender(t)}_getComputePipeline(t,e,s,i){s=s||this._getComputeCacheKey(t,e);let r=this.caches.get(s);return void 0===r&&(r=new Vd(s,e),this.caches.set(s,r),this.backend.createComputePipeline(r,i)),r}_getRenderPipeline(t,e,s,i,r){i=i||this._getRenderCacheKey(t,e,s);let n=this.caches.get(i);return void 0===n&&(n=new Ld(i,e,s),this.caches.set(i,n),t.pipeline=n,this.backend.createRenderPipeline(t,r)),n}_getComputeCacheKey(t,e){return t.id+","+e.id}_getRenderCacheKey(t,e,s){return e.id+","+s.id+","+this.backend.getRenderCacheKey(t)}_releasePipeline(t){this.caches.delete(t.cacheKey)}_releaseProgram(t){const e=t.code,s=t.stage;this.programs[s].delete(e)}_needsComputeUpdate(t){const e=this.get(t);return void 0===e.pipeline||e.version!==t.version}_needsRenderUpdate(t){return void 0===this.get(t).pipeline||this.backend.needsRenderUpdate(t)}}class Wd extends Nd{constructor(t,e,s,i,r,n){super(),this.backend=t,this.textures=s,this.pipelines=r,this.attributes=i,this.nodes=e,this.info=n,this.pipelines.bindings=this}getForRender(t){const e=t.getBindings();for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}getForCompute(t){const e=this.nodes.getForCompute(t).bindings;for(const t of e){const s=this.get(t);void 0===s.bindGroup&&(this._init(t),this.backend.createBindings(t,e),s.bindGroup=t)}return e}updateForCompute(t){this._updateBindings(t,this.getForCompute(t))}updateForRender(t){this._updateBindings(t,this.getForRender(t))}_updateBindings(t,e){for(const s of e)this._update(t,s,e)}_init(t){for(const e of t.bindings)if(e.isSampledTexture)this.textures.updateTexture(e.texture);else if(e.isStorageBuffer){const t=e.attribute;this.attributes.update(t,Ed)}}_update(t,e,s){const{backend:i}=this;let r=!1;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!this.nodes.updateGroup(t))continue}if(t.isUniformBuffer){t.update()&&i.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=t.texture;t.needsBindingsUpdate&&(r=!0);const s=t.update();s&&this.textures.updateTexture(t.texture);const n=i.get(t.texture);if(!0===i.isWebGPUBackend&&void 0===n.texture&&void 0===n.externalTexture&&(console.error("Bindings._update: binding should be available:",t,s,t.texture,t.textureNode.value),this.textures.updateTexture(t.texture),r=!0),!0===e.isStorageTexture){const s=this.get(e);!0===t.store?s.needsMipmap=!0:!0===e.generateMipmaps&&this.textures.needsMipmaps(e)&&!0===s.needsMipmap&&(this.backend.generateMipmaps(e),s.needsMipmap=!1)}}}if(!0===r){const i=this.pipelines.getForRender(t);this.backend.updateBindings(e,s,i)}}}const jd={VERTEX:"vertex",FRAGMENT:"fragment"},Hd={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},qd={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},$d=["fragment","vertex"],Xd=["setup","analyze","generate"],Yd=[...$d,"compute"],Jd=["x","y","z","w"];function Zd(t,e=!1){let s="{";!0===t.isNode&&(s+=t.id);for(const{property:i,childNode:r}of Qd(t))s+=","+i.slice(0,-4)+":"+r.getCacheKey(e);return s+="}",s}function*Qd(t,e=!1){for(const s in t){if(!0===s.startsWith("_"))continue;const i=t[s];if(!0===Array.isArray(i))for(let t=0;tt.charCodeAt(0))).buffer}var ip=Object.freeze({__proto__:null,arrayBufferToBase64:ep,base64ToArrayBuffer:sp,getCacheKey:Zd,getNodeChildren:Qd,getValueFromType:tp,getValueType:Kd});const rp=new Map;let np=0;class op extends Vs{constructor(t=null){super(),this.nodeType=t,this.updateType=Hd.NONE,this.updateBeforeType=Hd.NONE,this.updateAfterType=Hd.NONE,this.uuid=Js.generateUUID(),this.version=0,this._cacheKey=null,this._cacheKeyVersion=0,this.global=!1,this.isNode=!0,Object.defineProperty(this,"id",{value:np++})}set needsUpdate(t){!0===t&&this.version++}get type(){return this.constructor.type}onUpdate(t,e){return this.updateType=e,this.update=t.bind(this.getSelf()),this}onFrameUpdate(t){return this.onUpdate(t,Hd.FRAME)}onRenderUpdate(t){return this.onUpdate(t,Hd.RENDER)}onObjectUpdate(t){return this.onUpdate(t,Hd.OBJECT)}onReference(t){return this.updateReference=t.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:t}of Qd(this))yield t}dispose(){this.dispatchEvent({type:"dispose"})}traverse(t){t(this);for(const e of this.getChildren())e.traverse(t)}getCacheKey(t=!1){return!0!==(t=t||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=Zd(this,t),this._cacheKeyVersion=this.version),this._cacheKey}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(t){const e=this.getNodeType(t);return t.getElementType(e)}getNodeType(t){const e=t.getNodeProperties(this);return e.outputNode?e.outputNode.getNodeType(t):this.nodeType}getShared(t){const e=this.getHash(t);return t.getNodeFromHash(e)||this}setup(t){const e=t.getNodeProperties(this);let s=0;for(const t of this.getChildren())e["node"+s++]=t;return null}construct(t){return console.warn("THREE.Node: construct() is deprecated. Use setup() instead."),this.setup(t)}increaseUsage(t){const e=t.getDataFromNode(this);return e.usageCount=void 0===e.usageCount?1:e.usageCount+1,e.usageCount}analyze(t){if(1===this.increaseUsage(t)){const e=t.getNodeProperties(this);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);if(s&&!0===s.isNode)return s.build(t,e)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(t,e=null){const s=this.getShared(t);if(this!==s)return s.build(t,e);t.addNode(this),t.addChain(this);let i=null;const r=t.getBuildStage();if("setup"===r){this.updateReference(t);const e=t.getNodeProperties(this);if(!0!==e.initialized){const s=t.stack.nodes.length;e.initialized=!0,e.outputNode=this.setup(t),null!==e.outputNode&&t.stack.nodes.length!==s&&(e.outputNode=t.stack);for(const s of Object.values(e))s&&!0===s.isNode&&s.build(t)}}else if("analyze"===r)this.analyze(t);else if("generate"===r){if(1===this.generate.length){const s=this.getNodeType(t),r=t.getDataFromNode(this);i=r.snippet,void 0===i&&(i=this.generate(t)||"",r.snippet=i),i=t.format(i,s,e)}else i=this.generate(t,e)||""}return t.removeChain(this),i}getSerializeChildren(){return Qd(this)}serialize(t){const e=this.getSerializeChildren(),s={};for(const{property:i,index:r,childNode:n}of e)void 0!==r?(void 0===s[i]&&(s[i]=Number.isInteger(r)?[]:{}),s[i][r]=n.toJSON(t.meta).uuid):s[i]=n.toJSON(t.meta).uuid;Object.keys(s).length>0&&(t.inputNodes=s)}deserialize(t){if(void 0!==t.inputNodes){const e=t.meta.nodes;for(const s in t.inputNodes)if(Array.isArray(t.inputNodes[s])){const i=[];for(const r of t.inputNodes[s])i.push(e[r]);this[s]=i}else if("object"==typeof t.inputNodes[s]){const i={};for(const r in t.inputNodes[s]){const n=t.inputNodes[s][r];i[r]=e[n]}this[s]=i}else{const i=t.inputNodes[s];this[s]=e[i]}}}toJSON(t){const{uuid:e,type:s}=this,i=void 0===t||"string"==typeof t;i&&(t={textures:{},images:{},nodes:{}});let r=t.nodes[e];function n(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(void 0===r&&(r={uuid:e,type:s,meta:t,metadata:{version:4.6,type:"Node",generator:"Node.toJSON"}},!0!==i&&(t.nodes[r.uuid]=r),this.serialize(r),delete r.meta),i){const e=n(t.textures),s=n(t.images),i=n(t.nodes);e.length>0&&(r.textures=e),s.length>0&&(r.images=s),i.length>0&&(r.nodes=i)}return r}}function ap(t,e){if("function"!=typeof e||!t)throw new Error(`Node class ${t} is not a class`);rp.has(t)?console.warn(`Redefinition of node class ${t}`):(rp.set(t,e),e.type=t)}function hp(t){const e=rp.get(t);if(void 0!==e)return new e}class lp extends op{constructor(t){super(t),this.isTempNode=!0}hasDependencies(t){return t.getDataFromNode(this).usageCount>1}build(t,e){if("generate"===t.getBuildStage()){const s=t.getVectorType(this.getNodeType(t,e)),i=t.getDataFromNode(this);if(void 0!==i.propertyName)return t.format(i.propertyName,s,e);if("void"!==s&&"void"!==e&&this.hasDependencies(t)){const r=super.build(t,s),n=t.getVarFromNode(this,null,s),o=t.getPropertyName(n);return t.addLineFlowCode(`${o} = ${r}`),i.snippet=r,i.propertyName=o,t.format(i.propertyName,s,e)}}return super.build(t,e)}}ap("TempNode",lp);class up extends op{constructor(t,e){super(),this.node=t,this.indexNode=e,this.isArrayElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){return`${this.node.build(t)}[ ${this.indexNode.build(t,"uint")} ]`}}ap("ArrayElementNode",up);class cp extends op{constructor(t,e){super(),this.node=t,this.convertTo=e}getNodeType(t){const e=this.node.getNodeType(t);let s=null;for(const i of this.convertTo.split("|"))null!==s&&t.getTypeLength(e)!==t.getTypeLength(i)||(s=i);return s}serialize(t){super.serialize(t),t.convertTo=this.convertTo}deserialize(t){super.deserialize(t),this.convertTo=t.convertTo}generate(t,e){const s=this.node,i=this.getNodeType(t),r=s.build(t,i);return t.format(r,i,e)}}ap("ConvertNode",cp);class dp extends lp{constructor(t=[],e=null){super(e),this.nodes=t}getNodeType(t){return null!==this.nodeType?t.getVectorType(this.nodeType):t.getTypeFromLength(this.nodes.reduce(((e,s)=>e+t.getTypeLength(s.getNodeType(t))),0))}generate(t,e){const s=this.getNodeType(t),i=this.nodes,r=t.getComponentType(s),n=[];for(const e of i){let s=e.build(t);const i=t.getComponentType(e.getNodeType(t));i!==r&&(s=t.format(s,i,r)),n.push(s)}const o=`${t.getType(s)}( ${n.join(", ")} )`;return t.format(o,s,e)}}ap("JoinNode",dp);const pp=Jd.join("");class mp extends op{constructor(t,e="x"){super(),this.node=t,this.components=e,this.isSplitNode=!0}getVectorLength(){let t=this.components.length;for(const e of this.components)t=Math.max(Jd.indexOf(e)+1,t);return t}getComponentType(t){return t.getComponentType(this.node.getNodeType(t))}getNodeType(t){return t.getTypeFromLength(this.components.length,this.getComponentType(t))}generate(t,e){const s=this.node,i=t.getTypeLength(s.getNodeType(t));let r=null;if(i>1){let n=null;this.getVectorLength()>=i&&(n=t.getTypeFromLength(this.getVectorLength(),this.getComponentType(t)));const o=s.build(t,n);r=this.components.length===i&&this.components===pp.slice(0,this.components.length)?t.format(o,n,e):t.format(`${o}.${this.components}`,this.getNodeType(t),e)}else r=s.build(t,e);return r}serialize(t){super.serialize(t),t.components=this.components}deserialize(t){super.deserialize(t),this.components=t.components}}ap("SplitNode",mp);class gp extends lp{constructor(t,e,s){super(),this.sourceNode=t,this.components=e,this.targetNode=s}getNodeType(t){return this.sourceNode.getNodeType(t)}generate(t){const{sourceNode:e,components:s,targetNode:i}=this,r=this.getNodeType(t),n=t.getTypeFromLength(s.length),o=i.build(t,n),a=e.build(t,r),h=t.getTypeLength(r),l=[];for(let t=0;tt.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),_p={setup(t,e){const s=e.shift();return t($p(s),...e)},get(t,e,s){if("string"==typeof e&&void 0===t[e]){if(!0!==t.isStackNode&&"assign"===e)return(...t)=>(xp.assign(s,...t),s);if(bp.has(e)){const i=bp.get(e);return t.isStackNode?(...t)=>s.add(i(...t)):(...t)=>i(s,...t)}if("self"===e)return t;if(e.endsWith("Assign")&&bp.has(e.slice(0,e.length-6))){const i=bp.get(e.slice(0,e.length-6));return t.isStackNode?(...t)=>s.assign(t[0],i(...t)):(...t)=>s.assign(i(s,...t))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(e))return e=Tp(e),qp(new mp(s,e));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(e))return e=(e=Tp(e.slice(3).toLowerCase())).split("").sort().join(""),s=>qp(new gp(t,e,s));if("width"===e||"height"===e||"depth"===e)return"width"===e?e="x":"height"===e?e="y":"depth"===e&&(e="z"),qp(new mp(t,e));if(!0===/^\d+$/.test(e))return qp(new up(s,new yp(Number(e),"uint")))}return Reflect.get(t,e,s)},set:(t,e,s,i)=>"string"!=typeof e||void 0!==t[e]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(e)&&"width"!==e&&"height"!==e&&"depth"!==e&&!0!==/^\d+$/.test(e)?Reflect.set(t,e,s,i):(i[e].assign(s),!0)},wp=new WeakMap,Sp=new WeakMap,Mp=function(t,e=null){for(const s in t)t[s]=qp(t[s],e);return t},Ap=function(t,e=null){const s=t.length;for(let i=0;iqp(null!==i?Object.assign(t,i):t);return null===e?(...e)=>r(new t(...Xp(e))):null!==s?(s=qp(s),(...i)=>r(new t(e,...Xp(i),s))):(...s)=>r(new t(e,...Xp(s)))},Rp=function(t,...e){return qp(new t(...Xp(e)))};class Cp extends op{constructor(t,e){super(),this.shaderNode=t,this.inputNodes=e}getNodeType(t){const e=t.getNodeProperties(this);return null===e.outputNode&&(e.outputNode=this.setupOutput(t)),e.outputNode.getNodeType(t)}call(t){const{shaderNode:e,inputNodes:s}=this;if(e.layout){let i=Sp.get(t.constructor);void 0===i&&(i=new WeakMap,Sp.set(t.constructor,i));let r=i.get(e);return void 0===r&&(r=qp(t.buildFunctionNode(e)),i.set(e,r)),null!==t.currentFunctionNode&&t.currentFunctionNode.includes.push(r),qp(r.call(s))}const i=e.jsFunc,r=null!==s?i(s,t.stack,t):i(t.stack,t);return qp(r)}setup(t){const{outputNode:e}=t.getNodeProperties(this);return e||this.setupOutput(t)}setupOutput(t){return t.addStack(),t.stack.outputNode=this.call(t),t.removeStack()}generate(t,e){const{outputNode:s}=t.getNodeProperties(this);return null===s?this.call(t).build(t,e):super.generate(t,e)}}class Ep extends op{constructor(t){super(),this.jsFunc=t,this.layout=null,this.global=!0}get isArrayInput(){return/^\((\s+)?\[/.test(this.jsFunc.toString())}setLayout(t){return this.layout=t,this}call(t=null){return $p(t),qp(new Cp(this,t))}setup(){return this.call()}}const Bp=[!1,!0],Ip=[0,1,2,3],Pp=[-1,-2],Fp=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Up=new Map;for(const t of Bp)Up.set(t,new yp(t));const Op=new Map;for(const t of Ip)Op.set(t,new yp(t,"uint"));const zp=new Map([...Op].map((t=>new yp(t.value,"int"))));for(const t of Pp)zp.set(t,new yp(t,"int"));const Lp=new Map([...zp].map((t=>new yp(t.value))));for(const t of Fp)Lp.set(t,new yp(t));for(const t of Fp)Lp.set(-t,new yp(-t));const Vp={bool:Up,uint:Op,ints:zp,float:Lp},Dp=new Map([...Up,...Lp]),kp=(t,e)=>Dp.has(t)?Dp.get(t):!0===t.isNode?t:new yp(t,e),Gp=function(t,e=null){return(...s)=>{if((0===s.length||!["bool","float","int","uint"].includes(t)&&s.every((t=>"object"!=typeof t)))&&(s=[tp(t,...s)]),1===s.length&&null!==e&&e.has(s[0]))return qp(e.get(s[0]));if(1===s.length){const e=kp(s[0],t);return(t=>{try{return t.getNodeType()}catch(t){return}})(e)===t?qp(e):qp(new cp(e,t))}const i=s.map((t=>kp(t)));return qp(new dp(i,t))}},Wp=t=>t&&t.value,jp=t=>null!=t?t.nodeType||t.convertTo||("string"==typeof t?t:null):null;function Hp(t){return new Proxy(new Ep(t),_p)}const qp=(t,e=null)=>function(t,e=null){const s=Kd(t);if("node"===s){let e=wp.get(t);return void 0===e&&(e=new Proxy(t,_p),wp.set(t,e),wp.set(e,e)),e}return null===e&&("float"===s||"boolean"===s)||s&&"shader"!==s&&"string"!==s?qp(kp(t,e)):"shader"===s?Zp(t):t}(t,e),$p=(t,e=null)=>new Mp(t,e),Xp=(t,e=null)=>new Ap(t,e),Yp=(...t)=>new Np(...t),Jp=(...t)=>new Rp(...t),Zp=t=>{const e=new Hp(t),s=(...t)=>{let s;return $p(t),s=t[0]&&t[0].isNode?[...t]:t[0],e.call(s)};return s.shaderNode=e,s.setLayout=t=>(e.setLayout(t),s),s};ap("ShaderNode",Hp),vp("toGlobal",(t=>(t.global=!0,t)));const Qp=t=>{xp=t},Kp=()=>xp,tm=(...t)=>xp.if(...t);function em(t){return xp&&xp.add(t),t}vp("append",em);const sm=new Gp("color"),im=new Gp("float",Vp.float),rm=new Gp("int",Vp.ints),nm=new Gp("uint",Vp.uint),om=new Gp("bool",Vp.bool),am=new Gp("vec2"),hm=new Gp("ivec2"),lm=new Gp("uvec2"),um=new Gp("bvec2"),cm=new Gp("vec3"),dm=new Gp("ivec3"),pm=new Gp("uvec3"),mm=new Gp("bvec3"),gm=new Gp("vec4"),fm=new Gp("ivec4"),ym=new Gp("uvec4"),xm=new Gp("bvec4"),bm=new Gp("mat2"),vm=new Gp("imat2"),Tm=new Gp("umat2"),_m=new Gp("bmat2"),wm=new Gp("mat3"),Sm=new Gp("imat3"),Mm=new Gp("umat3"),Am=new Gp("bmat3"),Nm=new Gp("mat4"),Rm=new Gp("imat4"),Cm=new Gp("umat4"),Em=new Gp("bmat4"),Bm=(t="")=>qp(new yp(t,"string")),Im=t=>qp(new yp(t,"ArrayBuffer"));vp("toColor",sm),vp("toFloat",im),vp("toInt",rm),vp("toUint",nm),vp("toBool",om),vp("toVec2",am),vp("toIvec2",hm),vp("toUvec2",lm),vp("toBvec2",um),vp("toVec3",cm),vp("toIvec3",dm),vp("toUvec3",pm),vp("toBvec3",mm),vp("toVec4",gm),vp("toIvec4",fm),vp("toUvec4",ym),vp("toBvec4",xm),vp("toMat2",bm),vp("toImat2",vm),vp("toUmat2",Tm),vp("toBmat2",_m),vp("toMat3",wm),vp("toImat3",Sm),vp("toUmat3",Mm),vp("toBmat3",Am),vp("toMat4",Nm),vp("toImat4",Rm),vp("toUmat4",Cm),vp("toBmat4",Em);const Pm=Yp(up),Fm=(t,e)=>qp(new cp(qp(t),e)),Um=(t,e)=>qp(new mp(qp(t),e));vp("element",Pm),vp("convert",Fm);class Om extends lp{constructor(t,e){super(),this.targetNode=t,this.sourceNode=e}hasDependencies(){return!1}getNodeType(t,e){return"void"!==e?this.targetNode.getNodeType(t):"void"}needsSplitAssign(t){const{targetNode:e}=this;if(!1===t.isAvailable("swizzleAssign")&&e.isSplitNode&&e.components.length>1){const s=t.getTypeLength(e.node.getNodeType(t));return Jd.join("").slice(0,s)!==e.components}return!1}generate(t,e){const{targetNode:s,sourceNode:i}=this,r=this.needsSplitAssign(t),n=s.getNodeType(t),o=s.context({assign:!0}).build(t),a=i.build(t,n),h=i.getNodeType(t),l=t.getDataFromNode(this);let u;if(!0===l.initialized)"void"!==e&&(u=o);else if(r){const i=t.getVarFromNode(this,null,n),r=t.getPropertyName(i);t.addLineFlowCode(`${r} = ${a}`);const h=s.node.context({assign:!0}).build(t);for(let e=0;eqp(new Dm(t,e,qp(s)));ap("AttributeNode",Dm);class Gm extends op{constructor(t,e){super(),this.isBypassNode=!0,this.outputNode=t,this.callNode=e}getNodeType(t){return this.outputNode.getNodeType(t)}generate(t){const e=this.callNode.build(t,"void");return""!==e&&t.addLineFlowCode(e),this.outputNode.build(t)}}const Wm=Yp(Gm);vp("bypass",Wm),ap("BypassNode",Gm);class jm extends op{constructor(t,e=!0){super(),this.node=t,this.parent=e,this.isCacheNode=!0}getNodeType(t){return this.node.getNodeType(t)}build(t,...e){const s=t.getCache(),i=t.getCacheFromNode(this,parent);t.setCache(i);const r=this.node.build(t,...e);return t.setCache(s),r}}const Hm=(t,...e)=>qp(new jm(qp(t),...e));vp("cache",Hm),ap("CacheNode",jm);class qm extends op{constructor(t,e={}){super(),this.isContextNode=!0,this.node=t,this.context=e}getNodeType(t){return this.node.getNodeType(t)}analyze(t){this.node.build(t)}setup(t){const e=t.getContext();t.setContext({...t.context,...this.context});const s=this.node.build(t);return t.setContext(e),s}generate(t,e){const s=t.getContext();t.setContext({...t.context,...this.context});const i=this.node.build(t,e);return t.setContext(s),i}}const $m=Yp(qm),Xm=(t,e)=>$m(t,{label:e});vp("context",$m),vp("label",Xm),ap("ContextNode",qm);class Ym extends op{constructor(t){super("uint"),this.scope=t,this.isInstanceIndexNode=!0}generate(t){const e=this.getNodeType(t),s=this.scope;let i,r;if(s===Ym.VERTEX)i=t.getVertexIndex();else if(s===Ym.INSTANCE)i=t.getInstanceIndex();else{if(s!==Ym.DRAW)throw new Error("THREE.IndexNode: Unknown scope: "+s);i=t.getDrawIndex()}if("vertex"===t.shaderStage||"compute"===t.shaderStage)r=i;else{r=Vm(this).build(t,e)}return r}}Ym.VERTEX="vertex",Ym.INSTANCE="instance",Ym.DRAW="draw";const Jm=Jp(Ym,Ym.VERTEX),Zm=Jp(Ym,Ym.INSTANCE),Qm=Jp(Ym,Ym.DRAW);ap("IndexNode",Ym);class Km{start(){}finish(){}direct(){}directRectArea(){}indirectDiffuse(){}indirectSpecular(){}ambientOcclusion(){}}class tg extends op{constructor(t,e=null){super(),this.node=t,this.name=e,this.global=!0,this.isVarNode=!0}getHash(t){return this.name||super.getHash(t)}getNodeType(t){return this.node.getNodeType(t)}generate(t){const{node:e,name:s}=this,i=t.getVarFromNode(this,s,t.getVectorType(this.getNodeType(t))),r=t.getPropertyName(i),n=e.build(t,i.type);return t.addLineFlowCode(`${r} = ${n}`),r}}const eg=Yp(tg);vp("temp",eg),vp("toVar",((...t)=>eg(...t).append())),ap("VarNode",tg);class sg{constructor(t,e,s=null){this.isNodeAttribute=!0,this.name=t,this.type=e,this.node=s}}class ig{constructor(t,e,s){this.isNodeUniform=!0,this.name=t,this.type=e,this.node=s.getSelf()}get value(){return this.node.value}set value(t){this.node.value=t}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class rg{constructor(t,e){this.isNodeVar=!0,this.name=t,this.type=e}}class ng extends rg{constructor(t,e){super(t,e),this.needsInterpolation=!1,this.isNodeVarying=!0}}class og{constructor(t,e,s=""){this.name=t,this.type=e,this.code=s,Object.defineProperty(this,"isNodeCode",{value:!0})}}class ag{constructor(){this.keywords=[],this.nodes={},this.keywordsCallback={}}getNode(t){let e=this.nodes[t];return void 0===e&&void 0!==this.keywordsCallback[t]&&(e=this.keywordsCallback[t](t),this.nodes[t]=e),e}addKeyword(t,e){return this.keywords.push(t),this.keywordsCallback[t]=e,this}parse(t){const e=this.keywords,s=new RegExp(`\\b${e.join("\\b|\\b")}\\b`,"g"),i=t.match(s),r=[];if(null!==i)for(const t of i){const e=this.getNode(t);void 0!==e&&-1===r.indexOf(e)&&r.push(e)}return r}include(t,e){const s=this.parse(e);for(const e of s)e.build(t)}}let hg=0;class lg{constructor(t=null){this.id=hg++,this.nodesData=new WeakMap,this.parent=t}getData(t){let e=this.nodesData.get(t);return void 0===e&&null!==this.parent&&(e=this.parent.getData(t)),e}setData(t,e){this.nodesData.set(t,e)}}class ug extends op{constructor(t,e=null,s=!1){super(t),this.name=e,this.varying=s,this.isPropertyNode=!0}getHash(t){return this.name||super.getHash(t)}isGlobal(){return!0}generate(t){let e;return!0===this.varying?(e=t.getVaryingFromNode(this,this.name),e.needsInterpolation=!0):e=t.getVarFromNode(this,this.name),t.getPropertyName(e)}}const cg=(t,e)=>qp(new ug(t,e)),dg=(t,e)=>qp(new ug(t,e,!0)),pg=Jp(ug,"vec4","DiffuseColor"),mg=Jp(ug,"float","Roughness"),gg=Jp(ug,"float","Metalness"),fg=Jp(ug,"float","Clearcoat"),yg=Jp(ug,"float","ClearcoatRoughness"),xg=Jp(ug,"vec3","Sheen"),bg=Jp(ug,"float","SheenRoughness"),vg=Jp(ug,"float","Iridescence"),Tg=Jp(ug,"float","IridescenceIOR"),_g=Jp(ug,"float","IridescenceThickness"),wg=Jp(ug,"float","AlphaT"),Sg=Jp(ug,"float","Anisotropy"),Mg=Jp(ug,"vec3","AnisotropyT"),Ag=Jp(ug,"vec3","AnisotropyB"),Ng=Jp(ug,"color","SpecularColor"),Rg=Jp(ug,"float","SpecularF90"),Cg=Jp(ug,"float","Shininess"),Eg=Jp(ug,"vec4","Output"),Bg=Jp(ug,"float","dashSize"),Ig=Jp(ug,"float","gapSize"),Pg=Jp(ug,"float","pointWidth"),Fg=Jp(ug,"float","IOR"),Ug=Jp(ug,"float","Transmission"),Og=Jp(ug,"float","Thickness"),zg=Jp(ug,"float","AttenuationDistance"),Lg=Jp(ug,"color","AttenuationColor"),Vg=Jp(ug,"float","Dispersion");ap("PropertyNode",ug);class Dg extends ug{constructor(t,e=null){super(t,e),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}const kg=(t,e)=>qp(new Dg(t,e));ap("ParameterNode",Dg);class Gg extends op{constructor(t="",e=[],s=""){super("code"),this.isCodeNode=!0,this.code=t,this.language=s,this.includes=e}isGlobal(){return!0}setIncludes(t){return this.includes=t,this}getIncludes(){return this.includes}generate(t){const e=this.getIncludes(t);for(const s of e)s.build(t);const s=t.getCodeFromNode(this,this.getNodeType(t));return s.code=this.code,s.code}serialize(t){super.serialize(t),t.code=this.code,t.language=this.language}deserialize(t){super.deserialize(t),this.code=t.code,this.language=t.language}}const Wg=Yp(Gg),jg=(t,e)=>Wg(t,e,"js"),Hg=(t,e)=>Wg(t,e,"wgsl"),qg=(t,e)=>Wg(t,e,"glsl");ap("CodeNode",Gg);class $g extends Gg{constructor(t="",e=[],s=""){super(t,e,s),this.keywords={}}getNodeType(t){return this.getNodeFunction(t).type}getInputs(t){return this.getNodeFunction(t).inputs}getNodeFunction(t){const e=t.getDataFromNode(this);let s=e.nodeFunction;return void 0===s&&(s=t.parser.parseFunction(this.code),e.nodeFunction=s),s}generate(t,e){super.generate(t);const s=this.getNodeFunction(t),i=s.name,r=s.type,n=t.getCodeFromNode(this,r);""!==i&&(n.name=i);const o=t.getPropertyName(n);let a=this.getNodeFunction(t).getCode(o);const h=this.keywords,l=Object.keys(h);if(l.length>0)for(const e of l){const s=new RegExp(`\\b${e}\\b`,"g"),i=h[e].build(t,"property");a=a.replace(s,i)}return n.code=a+"\n","property"===e?o:t.format(`${o}()`,r,e)}}const Xg=(t,e=[],s="")=>{for(let t=0;ti.call(...t);return r.functionNode=i,r},Yg=(t,e)=>Xg(t,e,"glsl"),Jg=(t,e)=>Xg(t,e,"wgsl");ap("FunctionNode",$g);class Zg extends op{constructor(t,e=!1){super("string"),this.name=t,this.version=0,this.shared=e,this.isUniformGroup=!0}set needsUpdate(t){!0===t&&this.version++}}const Qg=t=>new Zg(t),Kg=t=>new Zg(t,!0),tf=Kg("frame"),ef=Kg("render"),sf=Qg("object");ap("UniformGroupNode",Zg);class rf extends fp{constructor(t,e=null){super(t,e),this.isUniformNode=!0,this.name="",this.groupNode=sf}label(t){return this.name=t,this}setGroup(t){return this.groupNode=t,this}getGroup(){return this.groupNode}getUniformHash(t){return this.getHash(t)}onUpdate(t,e){const s=this.getSelf();return t=t.bind(s),super.onUpdate((e=>{const i=t(e,s);void 0!==i&&(this.value=i)}),e)}generate(t,e){const s=this.getNodeType(t),i=this.getUniformHash(t);let r=t.getNodeFromHash(i);void 0===r&&(t.setHashNode(this,i),r=this);const n=r.getInputType(t),o=t.getUniformFromNode(r,n,t.shaderStage,this.name||t.context.label),a=t.getPropertyName(o);return void 0!==t.context.label&&delete t.context.label,t.format(a,s,e)}}const nf=(t,e)=>{const s=jp(e||t),i=t&&!0===t.isNode?t.node&&t.node.value||t.value:t;return qp(new rf(i,s))};ap("UniformNode",rf);const of=t=>km("uv"+(t>0?t:""),"vec2");class af extends op{constructor(t,e=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=t,this.levelNode=e}generate(t,e){const s=this.textureNode.build(t,"property"),i=this.levelNode.build(t,"int");return t.format(`${t.getMethod("textureDimensions")}( ${s}, ${i} )`,this.getNodeType(t),e)}}const hf=Yp(af);vp("textureSize",hf),ap("TextureSizeNode",af);class lf extends lp{constructor(t,e,s,...i){if(super(),i.length>0){let r=new lf(t,e,s);for(let e=0;e>"===s||"<<"===s)return t.getIntegerType(n);if("!"===s||"=="===s||"&&"===s||"||"===s||"^^"===s)return"bool";if("<"===s||">"===s||"<="===s||">="===s){const s=e?t.getTypeLength(e):Math.max(t.getTypeLength(n),t.getTypeLength(o));return s>1?`bvec${s}`:"bool"}return"float"===n&&t.isMatrix(o)?o:t.isMatrix(n)&&t.isVector(o)?t.getVectorFromMatrix(n):t.isVector(n)&&t.isMatrix(o)?t.getVectorFromMatrix(o):t.getTypeLength(o)>t.getTypeLength(n)?o:n}generate(t,e){const s=this.op,i=this.aNode,r=this.bNode,n=this.getNodeType(t,e);let o=null,a=null;"void"!==n?(o=i.getNodeType(t),a=void 0!==r?r.getNodeType(t):null,"<"===s||">"===s||"<="===s||">="===s||"=="===s?t.isVector(o)?a=o:o=a="float":">>"===s||"<<"===s?(o=n,a=t.changeComponentType(a,"uint")):t.isMatrix(o)&&t.isVector(a)?a=t.getVectorFromMatrix(o):o=t.isVector(o)&&t.isMatrix(a)?t.getVectorFromMatrix(a):a=n):o=a=n;const h=i.build(t,o),l=void 0!==r?r.build(t,a):null,u=t.getTypeLength(e),c=t.getFunctionOperator(s);return"void"!==e?"<"===s&&u>1?t.format(`${t.getMethod("lessThan")}( ${h}, ${l} )`,n,e):"<="===s&&u>1?t.format(`${t.getMethod("lessThanEqual")}( ${h}, ${l} )`,n,e):">"===s&&u>1?t.format(`${t.getMethod("greaterThan")}( ${h}, ${l} )`,n,e):">="===s&&u>1?t.format(`${t.getMethod("greaterThanEqual")}( ${h}, ${l} )`,n,e):"!"===s||"~"===s?t.format(`(${s}${h})`,o,e):c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`( ${h} ${s} ${l} )`,n,e):"void"!==o?c?t.format(`${c}( ${h}, ${l} )`,n,e):t.format(`${h} ${s} ${l}`,n,e):void 0}serialize(t){super.serialize(t),t.op=this.op}deserialize(t){super.deserialize(t),this.op=t.op}}const uf=Yp(lf,"+"),cf=Yp(lf,"-"),df=Yp(lf,"*"),pf=Yp(lf,"/"),mf=Yp(lf,"%"),gf=Yp(lf,"=="),ff=Yp(lf,"!="),yf=Yp(lf,"<"),xf=Yp(lf,">"),bf=Yp(lf,"<="),vf=Yp(lf,">="),Tf=Yp(lf,"&&"),_f=Yp(lf,"||"),wf=Yp(lf,"!"),Sf=Yp(lf,"^^"),Mf=Yp(lf,"&"),Af=Yp(lf,"~"),Nf=Yp(lf,"|"),Rf=Yp(lf,"^"),Cf=Yp(lf,"<<"),Ef=Yp(lf,">>");vp("add",uf),vp("sub",cf),vp("mul",df),vp("div",pf),vp("remainder",mf),vp("equal",gf),vp("notEqual",ff),vp("lessThan",yf),vp("greaterThan",xf),vp("lessThanEqual",bf),vp("greaterThanEqual",vf),vp("and",Tf),vp("or",_f),vp("not",wf),vp("xor",Sf),vp("bitAnd",Mf),vp("bitNot",Af),vp("bitOr",Nf),vp("bitXor",Rf),vp("shiftLeft",Cf),vp("shiftRight",Ef),ap("OperatorNode",lf);class Bf extends lp{constructor(t,e,s=null,i=null){super(),this.method=t,this.aNode=e,this.bNode=s,this.cNode=i}getInputType(t){const e=this.aNode.getNodeType(t),s=this.bNode?this.bNode.getNodeType(t):null,i=this.cNode?this.cNode.getNodeType(t):null,r=t.isMatrix(e)?0:t.getTypeLength(e),n=t.isMatrix(s)?0:t.getTypeLength(s),o=t.isMatrix(i)?0:t.getTypeLength(i);return r>n&&r>o?e:n>o?s:o>r?i:e}getNodeType(t){const e=this.method;return e===Bf.LENGTH||e===Bf.DISTANCE||e===Bf.DOT?"float":e===Bf.CROSS?"vec3":e===Bf.ALL?"bool":e===Bf.EQUALS?t.changeComponentType(this.aNode.getNodeType(t),"bool"):e===Bf.MOD?this.aNode.getNodeType(t):this.getInputType(t)}generate(t,e){const s=this.method,i=this.getNodeType(t),r=this.getInputType(t),n=this.aNode,o=this.bNode,a=this.cNode,h=!0===t.renderer.isWebGLRenderer;if(s===Bf.TRANSFORM_DIRECTION){let s=n,i=o;t.isMatrix(s.getNodeType(t))?i=gm(cm(i),0):s=gm(cm(s),0);const r=df(s,i).xyz;return Yf(r).build(t,e)}if(s===Bf.NEGATE)return t.format("( - "+n.build(t,r)+" )",i,e);if(s===Bf.ONE_MINUS)return cf(1,n).build(t,e);if(s===Bf.RECIPROCAL)return pf(1,n).build(t,e);if(s===Bf.DIFFERENCE)return iy(cf(n,o)).build(t,e);{const l=[];return s===Bf.CROSS||s===Bf.MOD?l.push(n.build(t,i),o.build(t,i)):s===Bf.STEP?l.push(n.build(t,1===t.getTypeLength(n.getNodeType(t))?"float":r),o.build(t,r)):h&&(s===Bf.MIN||s===Bf.MAX)||s===Bf.MOD?l.push(n.build(t,r),o.build(t,1===t.getTypeLength(o.getNodeType(t))?"float":r)):s===Bf.REFRACT?l.push(n.build(t,r),o.build(t,r),a.build(t,"float")):s===Bf.MIX?l.push(n.build(t,r),o.build(t,r),a.build(t,1===t.getTypeLength(a.getNodeType(t))?"float":r)):(l.push(n.build(t,r)),null!==o&&l.push(o.build(t,r)),null!==a&&l.push(a.build(t,r))),t.format(`${t.getMethod(s,i)}( ${l.join(", ")} )`,i,e)}}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}Bf.ALL="all",Bf.ANY="any",Bf.EQUALS="equals",Bf.RADIANS="radians",Bf.DEGREES="degrees",Bf.EXP="exp",Bf.EXP2="exp2",Bf.LOG="log",Bf.LOG2="log2",Bf.SQRT="sqrt",Bf.INVERSE_SQRT="inversesqrt",Bf.FLOOR="floor",Bf.CEIL="ceil",Bf.NORMALIZE="normalize",Bf.FRACT="fract",Bf.SIN="sin",Bf.COS="cos",Bf.TAN="tan",Bf.ASIN="asin",Bf.ACOS="acos",Bf.ATAN="atan",Bf.ABS="abs",Bf.SIGN="sign",Bf.LENGTH="length",Bf.NEGATE="negate",Bf.ONE_MINUS="oneMinus",Bf.DFDX="dFdx",Bf.DFDY="dFdy",Bf.ROUND="round",Bf.RECIPROCAL="reciprocal",Bf.TRUNC="trunc",Bf.FWIDTH="fwidth",Bf.BITCAST="bitcast",Bf.TRANSPOSE="transpose",Bf.ATAN2="atan2",Bf.MIN="min",Bf.MAX="max",Bf.MOD="mod",Bf.STEP="step",Bf.REFLECT="reflect",Bf.DISTANCE="distance",Bf.DIFFERENCE="difference",Bf.DOT="dot",Bf.CROSS="cross",Bf.POW="pow",Bf.TRANSFORM_DIRECTION="transformDirection",Bf.MIX="mix",Bf.CLAMP="clamp",Bf.REFRACT="refract",Bf.SMOOTHSTEP="smoothstep",Bf.FACEFORWARD="faceforward";const If=im(1e-6),Pf=im(1e6),Ff=im(Math.PI),Uf=im(2*Math.PI),Of=Yp(Bf,Bf.ALL),zf=Yp(Bf,Bf.ANY),Lf=Yp(Bf,Bf.EQUALS),Vf=Yp(Bf,Bf.RADIANS),Df=Yp(Bf,Bf.DEGREES),kf=Yp(Bf,Bf.EXP),Gf=Yp(Bf,Bf.EXP2),Wf=Yp(Bf,Bf.LOG),jf=Yp(Bf,Bf.LOG2),Hf=Yp(Bf,Bf.SQRT),qf=Yp(Bf,Bf.INVERSE_SQRT),$f=Yp(Bf,Bf.FLOOR),Xf=Yp(Bf,Bf.CEIL),Yf=Yp(Bf,Bf.NORMALIZE),Jf=Yp(Bf,Bf.FRACT),Zf=Yp(Bf,Bf.SIN),Qf=Yp(Bf,Bf.COS),Kf=Yp(Bf,Bf.TAN),ty=Yp(Bf,Bf.ASIN),ey=Yp(Bf,Bf.ACOS),sy=Yp(Bf,Bf.ATAN),iy=Yp(Bf,Bf.ABS),ry=Yp(Bf,Bf.SIGN),ny=Yp(Bf,Bf.LENGTH),oy=Yp(Bf,Bf.NEGATE),ay=Yp(Bf,Bf.ONE_MINUS),hy=Yp(Bf,Bf.DFDX),ly=Yp(Bf,Bf.DFDY),uy=Yp(Bf,Bf.ROUND),cy=Yp(Bf,Bf.RECIPROCAL),dy=Yp(Bf,Bf.TRUNC),py=Yp(Bf,Bf.FWIDTH),my=Yp(Bf,Bf.BITCAST),gy=Yp(Bf,Bf.TRANSPOSE),fy=Yp(Bf,Bf.ATAN2),yy=Yp(Bf,Bf.MIN),xy=Yp(Bf,Bf.MAX),by=Yp(Bf,Bf.MOD),vy=Yp(Bf,Bf.STEP),Ty=Yp(Bf,Bf.REFLECT),_y=Yp(Bf,Bf.DISTANCE),wy=Yp(Bf,Bf.DIFFERENCE),Sy=Yp(Bf,Bf.DOT),My=Yp(Bf,Bf.CROSS),Ay=Yp(Bf,Bf.POW),Ny=Yp(Bf,Bf.POW,2),Ry=Yp(Bf,Bf.POW,3),Cy=Yp(Bf,Bf.POW,4),Ey=Yp(Bf,Bf.TRANSFORM_DIRECTION),By=t=>df(ry(t),Ay(iy(t),1/3)),Iy=t=>Sy(t,t),Py=Yp(Bf,Bf.MIX),Fy=(t,e=0,s=1)=>qp(new Bf(Bf.CLAMP,qp(t),qp(e),qp(s))),Uy=t=>Fy(t),Oy=Yp(Bf,Bf.REFRACT),zy=Yp(Bf,Bf.SMOOTHSTEP),Ly=Yp(Bf,Bf.FACEFORWARD),Vy=Zp((([t])=>{const e=Sy(t.xy,am(12.9898,78.233)),s=by(e,Ff);return Jf(Zf(s).mul(43758.5453))}));vp("all",Of),vp("any",zf),vp("equals",Lf),vp("radians",Vf),vp("degrees",Df),vp("exp",kf),vp("exp2",Gf),vp("log",Wf),vp("log2",jf),vp("sqrt",Hf),vp("inverseSqrt",qf),vp("floor",$f),vp("ceil",Xf),vp("normalize",Yf),vp("fract",Jf),vp("sin",Zf),vp("cos",Qf),vp("tan",Kf),vp("asin",ty),vp("acos",ey),vp("atan",sy),vp("abs",iy),vp("sign",ry),vp("length",ny),vp("lengthSq",Iy),vp("negate",oy),vp("oneMinus",ay),vp("dFdx",hy),vp("dFdy",ly),vp("round",uy),vp("reciprocal",cy),vp("trunc",dy),vp("fwidth",py),vp("atan2",fy),vp("min",yy),vp("max",xy),vp("mod",by),vp("step",vy),vp("reflect",Ty),vp("distance",_y),vp("dot",Sy),vp("cross",My),vp("pow",Ay),vp("pow2",Ny),vp("pow3",Ry),vp("pow4",Cy),vp("transformDirection",Ey),vp("mix",((t,e,s)=>Py(e,s,t))),vp("clamp",Fy),vp("refract",Oy),vp("smoothstep",((t,e,s)=>zy(e,s,t))),vp("faceForward",Ly),vp("difference",wy),vp("saturate",Uy),vp("cbrt",By),vp("transpose",gy),vp("rand",Vy),ap("MathNode",Bf);const Dy=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.mul(.9478672986).add(.0521327014).pow(2.4),r=s.mul(.0773993808),n=s.lessThanEqual(.04045),o=Py(i,r,n);return gm(o,e.a)})),ky=Zp((t=>{const{value:e}=t,{rgb:s}=e,i=s.pow(.41666).mul(1.055).sub(.055),r=s.mul(12.92),n=s.lessThanEqual(.0031308),o=Py(i,r,n);return gm(o,e.a)})),Gy=t=>{let e=null;return t===Ye?e="Linear":t===Xe&&(e="sRGB"),e},Wy=(t,e)=>Gy(t)+"To"+Gy(e);class jy extends lp{constructor(t,e){super("vec4"),this.method=t,this.node=e}setup(){const{method:t,node:e}=this;return t===jy.LINEAR_TO_LINEAR?e:Hy[t]({value:e})}}jy.LINEAR_TO_LINEAR="LinearToLinear",jy.LINEAR_TO_sRGB="LinearTosRGB",jy.sRGB_TO_LINEAR="sRGBToLinear";const Hy={[jy.LINEAR_TO_sRGB]:ky,[jy.sRGB_TO_LINEAR]:Dy},qy=(t,e)=>qp(new jy(Wy(Ye,e),qp(t))),$y=(t,e)=>qp(new jy(Wy(e,Ye),qp(t))),Xy=Yp(jy,jy.LINEAR_TO_sRGB),Yy=Yp(jy,jy.sRGB_TO_LINEAR);vp("linearTosRGB",Xy),vp("sRGBToLinear",Yy),vp("linearToColorSpace",qy),vp("colorSpaceToLinear",$y),ap("ColorSpaceNode",jy);class Jy extends op{constructor(t="",e="void"){super(e),this.snippet=t}generate(t,e){const s=this.getNodeType(t),i=this.snippet;if("void"!==s)return t.format(`( ${i} )`,s,e);t.addLineFlowCode(i)}}const Zy=Yp(Jy);ap("ExpressionNode",Jy);class Qy extends rf{constructor(t){super(0),this.textureNode=t,this.updateType=Hd.FRAME}get texture(){return this.textureNode.value}update(){const t=this.texture,e=t.images,s=e&&e.length>0?e[0]&&e[0].image||e[0]:t.image;if(s&&void 0!==s.width){const{width:t,height:e}=s;this.value=Math.log2(Math.max(t,e))}}}const Ky=Yp(Qy);ap("MaxMipLevelNode",Qy);class tx extends rf{constructor(t,e=null,s=null){super(t),this.isTextureNode=!0,this.uvNode=e,this.levelNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Hd.NONE,this.referenceNode=null,this._value=t,this.setUpdateMatrix(null===e)}set value(t){this.referenceNode?this.referenceNode.value=t:this._value=t}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===Bt?"uvec4":this.value.type===Et?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return of(this.value.channel)}updateReference(){return this.value}getTransformedUV(t){const e=this.value;return nf(e.matrix).mul(cm(t,1)).xy}setUpdateMatrix(t){return this.updateMatrix=t,this.updateType=t?Hd.FRAME:Hd.NONE,this}setupUV(t,e){const s=this.value;return!t.isFlipY()||!0!==s.isRenderTargetTexture&&!0!==s.isFramebufferTexture&&!0!==s.isDepthTexture||(e=e.setY(e.y.oneMinus())),e}setup(t){const e=t.getNodeProperties(this);e.referenceNode=this.referenceNode;let s=this.uvNode;null!==s&&!0!==t.context.forceUVContext||!t.context.getUV||(s=t.context.getUV(this)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(t,s);let i=this.levelNode;null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),e.uvNode=s,e.levelNode=i,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.depthNode=this.depthNode}generateUV(t,e){return e.build(t,!0===this.sampler?"vec2":"ivec2")}generateSnippet(t,e,s,i,r,n,o){const a=this.value;let h;return h=i?t.generateTextureLevel(a,e,s,i,r):o?t.generateTextureGrad(a,e,s,o,r):n?t.generateTextureCompare(a,e,s,n,r):!1===this.sampler?t.generateTextureLoad(a,e,s,r):t.generateTexture(a,e,s,r),h}generate(t,e){const s=t.getNodeProperties(this),i=this.value;if(!i||!0!==i.isTexture)throw new Error("TextureNode: Need a three.js texture.");const r=super.generate(t,"property");if("sampler"===e)return r+"_sampler";if(t.isReference(e))return r;{const n=t.getDataFromNode(this);let o=n.propertyName;if(void 0===o){const{uvNode:e,levelNode:i,compareNode:a,depthNode:h,gradNode:l}=s,u=this.generateUV(t,e),c=i?i.build(t,"float"):null,d=h?h.build(t,"int"):null,p=a?a.build(t,"float"):null,m=l?[l[0].build(t,"vec2"),l[1].build(t,"vec2")]:null,g=t.getVarFromNode(this);o=t.getPropertyName(g);const f=this.generateSnippet(t,r,u,c,d,p,m);t.addLineFlowCode(`${o} = ${f}`),n.snippet=f,n.propertyName=o}let a=o;const h=this.getNodeType(t);return t.needsColorSpaceToLinear(i)&&(a=$y(Zy(a,h),i.colorSpace).setup(t).build(t,h)),t.format(a,h,e)}}setSampler(t){return this.sampler=t,this}getSampler(){return this.sampler}uv(t){const e=this.clone();return e.uvNode=t,e.referenceNode=this,qp(e)}blur(t){const e=this.clone();return e.levelNode=t.mul(Ky(e)),e.referenceNode=this,qp(e)}level(t){const e=this.clone();return e.levelNode=t,e.referenceNode=this,e}size(t){return hf(this,t)}compare(t){const e=this.clone();return e.compareNode=qp(t),e.referenceNode=this,qp(e)}grad(t,e){const s=this.clone();return s.gradNode=[qp(t),qp(e)],s.referenceNode=this,qp(s)}depth(t){const e=this.clone();return e.depthNode=qp(t),e.referenceNode=this,qp(e)}serialize(t){super.serialize(t),t.value=this.value.toJSON(t.meta).uuid}deserialize(t){super.deserialize(t),this.value=t.meta.textures[t.value]}update(){const t=this.value;!0===t.matrixAutoUpdate&&t.updateMatrix()}clone(){const t=new this.constructor(this.value,this.uvNode,this.levelNode);return t.sampler=this.sampler,t}}const ex=Yp(tx),sx=(...t)=>ex(...t).setSampler(!1),ix=t=>(!0===t.isNode?t:ex(t)).convert("sampler");vp("texture",ex),ap("TextureNode",tx);class rx extends rf{constructor(t,e,s=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferCount=s}getElementType(t){return this.getNodeType(t)}getInputType(){return"buffer"}}const nx=(t,e,s)=>qp(new rx(t,e,s));ap("BufferNode",rx);class ox extends up{constructor(t,e){super(t,e),this.isArrayBufferElementNode=!0}getNodeType(t){return this.node.getElementType(t)}generate(t){const e=super.generate(t),s=this.getNodeType();return t.format(e,"vec4",s)}}class ax extends rx{constructor(t,e=null){super(null,"vec4"),this.array=t,this.elementType=e,this._elementType=null,this._elementLength=0,this.updateType=Hd.RENDER,this.isArrayBufferNode=!0}getElementType(){return this.elementType||this._elementType}getElementLength(){return this._elementLength}update(){const{array:t,value:e}=this,s=this.getElementLength(),i=this.getElementType();if(1===s)for(let s=0;sqp(new ax(t,e));ap("UniformsNode",ax);class lx extends up{constructor(t,e){super(t,e),this.referenceNode=t,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(t){const e=super.generate(t),s=this.referenceNode.getNodeType(),i=this.getNodeType();return t.format(e,s,i)}}class ux extends op{constructor(t,e,s=null,i=null){super(),this.property=t,this.uniformType=e,this.object=s,this.count=i,this.properties=t.split("."),this.reference=null,this.node=null,this.updateType=Hd.OBJECT}element(t){return qp(new lx(this,qp(t)))}setNodeType(t){let e=null;e=null!==this.count?nx(null,t,this.count):Array.isArray(this.getValueFromReference())?hx(null,t):"texture"===t?ex(null):nf(null,t),this.node=e}getNodeType(t){return null===this.node&&this.updateValue(),this.node.getNodeType(t)}getValueFromReference(t=this.reference){const{properties:e}=this;let s=t[e[0]];for(let t=1;tqp(new ux(t,e,s)),dx=(t,e,s,i)=>qp(new ux(t,e,i,s));ap("ReferenceNode",ux);class px extends ux{constructor(t,e,s=null){super(t,e,s),this.material=s}updateReference(t){return this.reference=null!==this.material?this.material:t.material,this.reference}}const mx=(t,e,s)=>qp(new px(t,e,s));ap("MaterialReferenceNode",px);const gx=Kg("camera").onRenderUpdate((()=>{gx.needsUpdate=!0})),fx=nf("float").label("cameraNear").setGroup(gx).onRenderUpdate((({camera:t})=>t.near)),yx=nf("float").label("cameraFar").setGroup(gx).onRenderUpdate((({camera:t})=>t.far)),xx=nf("float").label("cameraLogDepth").setGroup(gx).onRenderUpdate((({camera:t})=>2/(Math.log(t.far+1)/Math.LN2))),bx=nf("mat4").label("cameraProjectionMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.projectionMatrix)),vx=nf("mat4").label("cameraProjectionMatrixInverse").setGroup(gx).onRenderUpdate((({camera:t})=>t.projectionMatrixInverse)),Tx=nf("mat4").label("cameraViewMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.matrixWorldInverse)),_x=nf("mat4").label("cameraWorldMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.matrixWorld)),wx=nf("mat3").label("cameraNormalMatrix").setGroup(gx).onRenderUpdate((({camera:t})=>t.normalMatrix)),Sx=nf(new Ri).label("cameraPosition").setGroup(gx).onRenderUpdate((({camera:t},e)=>e.value.setFromMatrixPosition(t.matrixWorld)));class Mx extends op{constructor(t=Mx.VIEW_MATRIX,e=null){super(),this.scope=t,this.object3d=e,this.updateType=Hd.OBJECT,this._uniformNode=new rf(null)}getNodeType(){const t=this.scope;return t===Mx.WORLD_MATRIX||t===Mx.VIEW_MATRIX?"mat4":t===Mx.NORMAL_MATRIX?"mat3":t===Mx.POSITION||t===Mx.VIEW_POSITION||t===Mx.DIRECTION||t===Mx.SCALE?"vec3":void 0}update(t){const e=this.object3d,s=this._uniformNode,i=this.scope;if(i===Mx.VIEW_MATRIX)s.value=e.modelViewMatrix;else if(i===Mx.NORMAL_MATRIX)s.value=e.normalMatrix;else if(i===Mx.WORLD_MATRIX)s.value=e.matrixWorld;else if(i===Mx.POSITION)s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld);else if(i===Mx.SCALE)s.value=s.value||new Ri,s.value.setFromMatrixScale(e.matrixWorld);else if(i===Mx.DIRECTION)s.value=s.value||new Ri,e.getWorldDirection(s.value);else if(i===Mx.VIEW_POSITION){const i=t.camera;s.value=s.value||new Ri,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}}generate(t){const e=this.scope;return e===Mx.WORLD_MATRIX||e===Mx.VIEW_MATRIX?this._uniformNode.nodeType="mat4":e===Mx.NORMAL_MATRIX?this._uniformNode.nodeType="mat3":e!==Mx.POSITION&&e!==Mx.VIEW_POSITION&&e!==Mx.DIRECTION&&e!==Mx.SCALE||(this._uniformNode.nodeType="vec3"),this._uniformNode.build(t)}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}Mx.VIEW_MATRIX="viewMatrix",Mx.NORMAL_MATRIX="normalMatrix",Mx.WORLD_MATRIX="worldMatrix",Mx.POSITION="position",Mx.SCALE="scale",Mx.VIEW_POSITION="viewPosition",Mx.DIRECTION="direction";const Ax=Yp(Mx,Mx.DIRECTION),Nx=Yp(Mx,Mx.VIEW_MATRIX),Rx=Yp(Mx,Mx.NORMAL_MATRIX),Cx=Yp(Mx,Mx.WORLD_MATRIX),Ex=Yp(Mx,Mx.POSITION),Bx=Yp(Mx,Mx.SCALE),Ix=Yp(Mx,Mx.VIEW_POSITION);ap("Object3DNode",Mx);class Px extends Mx{constructor(t=Px.VIEW_MATRIX){super(t)}update(t){this.object3d=t.object,super.update(t)}}const Fx=Jp(Px,Px.DIRECTION),Ux=Jp(Px,Px.VIEW_MATRIX).label("modelViewMatrix").temp("ModelViewMatrix"),Ox=Jp(Px,Px.NORMAL_MATRIX),zx=Jp(Px,Px.WORLD_MATRIX),Lx=Jp(Px,Px.POSITION),Vx=Jp(Px,Px.SCALE),Dx=Jp(Px,Px.VIEW_POSITION),kx=nf(new rr).onObjectUpdate((({object:t},e)=>e.value.copy(t.matrixWorld).invert()));ap("ModelNode",Px);const Gx=km("normal","vec3",cm(0,1,0)),Wx=Gx.toVar("normalLocal"),jx=Vm(Ox.mul(Wx),"v_normalView").normalize().toVar("normalView"),Hx=Vm(jx.transformDirection(Tx),"v_normalWorld").normalize().toVar("transformedNormalWorld"),qx=cg("vec3","transformedNormalView"),$x=qx.transformDirection(Tx).normalize().toVar("transformedNormalWorld"),Xx=cg("vec3","transformedClearcoatNormalView"),Yx=new Map;class Jx extends op{constructor(t){super(),this.scope=t}getCache(t,e){let s=Yx.get(t);return void 0===s&&(s=mx(t,e),Yx.set(t,s)),s}getFloat(t){return this.getCache(t,"float")}getColor(t){return this.getCache(t,"color")}getTexture(t){return this.getCache("map"===t?"map":t+"Map","texture")}setup(t){const e=t.context.material,s=this.scope;let i=null;if(s===Jx.COLOR){const t=this.getColor(s);i=e.map&&!0===e.map.isTexture?t.mul(this.getTexture("map")):t}else if(s===Jx.OPACITY){const t=this.getFloat(s);i=e.alphaMap&&!0===e.alphaMap.isTexture?t.mul(this.getTexture("alpha")):t}else if(s===Jx.SPECULAR_STRENGTH)i=e.specularMap&&!0===e.specularMap.isTexture?this.getTexture("specular").r:im(1);else if(s===Jx.SPECULAR_INTENSITY){const t=this.getFloat(s);i=e.specularMap?t.mul(this.getTexture(s).a):t}else if(s===Jx.SPECULAR_COLOR){const t=this.getColor(s);i=e.specularColorMap&&!0===e.specularColorMap.isTexture?t.mul(this.getTexture(s).rgb):t}else if(s===Jx.ROUGHNESS){const t=this.getFloat(s);i=e.roughnessMap&&!0===e.roughnessMap.isTexture?t.mul(this.getTexture(s).g):t}else if(s===Jx.METALNESS){const t=this.getFloat(s);i=e.metalnessMap&&!0===e.metalnessMap.isTexture?t.mul(this.getTexture(s).b):t}else if(s===Jx.EMISSIVE){const t=this.getColor(s);i=e.emissiveMap&&!0===e.emissiveMap.isTexture?t.mul(this.getTexture(s)):t}else if(s===Jx.NORMAL)i=e.normalMap?this.getTexture("normal").normalMap(this.getCache("normalScale","vec2")):e.bumpMap?this.getTexture("bump").r.bumpMap(this.getFloat("bumpScale")):jx;else if(s===Jx.CLEARCOAT){const t=this.getFloat(s);i=e.clearcoatMap&&!0===e.clearcoatMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Jx.CLEARCOAT_ROUGHNESS){const t=this.getFloat(s);i=e.clearcoatRoughnessMap&&!0===e.clearcoatRoughnessMap.isTexture?t.mul(this.getTexture(s).r):t}else if(s===Jx.CLEARCOAT_NORMAL)i=e.clearcoatNormalMap?this.getTexture(s).normalMap(this.getCache(s+"Scale","vec2")):jx;else if(s===Jx.SHEEN){const t=this.getColor("sheenColor").mul(this.getFloat("sheen"));i=e.sheenColorMap&&!0===e.sheenColorMap.isTexture?t.mul(this.getTexture("sheenColor").rgb):t}else if(s===Jx.SHEEN_ROUGHNESS){const t=this.getFloat(s);i=e.sheenRoughnessMap&&!0===e.sheenRoughnessMap.isTexture?t.mul(this.getTexture(s).a):t,i=i.clamp(.07,1)}else if(s===Jx.ANISOTROPY)if(e.anisotropyMap&&!0===e.anisotropyMap.isTexture){const t=this.getTexture(s);i=bm(Ib.x,Ib.y,Ib.y.negate(),Ib.x).mul(t.rg.mul(2).sub(am(1)).normalize().mul(t.b))}else i=Ib;else if(s===Jx.IRIDESCENCE_THICKNESS){const t=cx("1","float",e.iridescenceThicknessRange);if(e.iridescenceThicknessMap){const r=cx("0","float",e.iridescenceThicknessRange);i=t.sub(r).mul(this.getTexture(s).g).add(r)}else i=t}else if(s===Jx.TRANSMISSION){const t=this.getFloat(s);i=e.transmissionMap?t.mul(this.getTexture(s).r):t}else if(s===Jx.THICKNESS){const t=this.getFloat(s);i=e.thicknessMap?t.mul(this.getTexture(s).g):t}else if(s===Jx.IOR)i=this.getFloat(s);else{const e=this.getNodeType(t);i=this.getCache(s,e)}return i}}Jx.ALPHA_TEST="alphaTest",Jx.COLOR="color",Jx.OPACITY="opacity",Jx.SHININESS="shininess",Jx.SPECULAR="specular",Jx.SPECULAR_STRENGTH="specularStrength",Jx.SPECULAR_INTENSITY="specularIntensity",Jx.SPECULAR_COLOR="specularColor",Jx.REFLECTIVITY="reflectivity",Jx.ROUGHNESS="roughness",Jx.METALNESS="metalness",Jx.NORMAL="normal",Jx.CLEARCOAT="clearcoat",Jx.CLEARCOAT_ROUGHNESS="clearcoatRoughness",Jx.CLEARCOAT_NORMAL="clearcoatNormal",Jx.EMISSIVE="emissive",Jx.ROTATION="rotation",Jx.SHEEN="sheen",Jx.SHEEN_ROUGHNESS="sheenRoughness",Jx.ANISOTROPY="anisotropy",Jx.IRIDESCENCE="iridescence",Jx.IRIDESCENCE_IOR="iridescenceIOR",Jx.IRIDESCENCE_THICKNESS="iridescenceThickness",Jx.IOR="ior",Jx.TRANSMISSION="transmission",Jx.THICKNESS="thickness",Jx.ATTENUATION_DISTANCE="attenuationDistance",Jx.ATTENUATION_COLOR="attenuationColor",Jx.LINE_SCALE="scale",Jx.LINE_DASH_SIZE="dashSize",Jx.LINE_GAP_SIZE="gapSize",Jx.LINE_WIDTH="linewidth",Jx.LINE_DASH_OFFSET="dashOffset",Jx.POINT_WIDTH="pointWidth",Jx.DISPERSION="dispersion";const Zx=Jp(Jx,Jx.ALPHA_TEST),Qx=Jp(Jx,Jx.COLOR),Kx=Jp(Jx,Jx.SHININESS),tb=Jp(Jx,Jx.EMISSIVE),eb=Jp(Jx,Jx.OPACITY),sb=Jp(Jx,Jx.SPECULAR),ib=Jp(Jx,Jx.SPECULAR_INTENSITY),rb=Jp(Jx,Jx.SPECULAR_COLOR),nb=Jp(Jx,Jx.SPECULAR_STRENGTH),ob=Jp(Jx,Jx.REFLECTIVITY),ab=Jp(Jx,Jx.ROUGHNESS),hb=Jp(Jx,Jx.METALNESS),lb=Jp(Jx,Jx.NORMAL),ub=Jp(Jx,Jx.CLEARCOAT),cb=Jp(Jx,Jx.CLEARCOAT_ROUGHNESS),db=Jp(Jx,Jx.CLEARCOAT_NORMAL),pb=Jp(Jx,Jx.ROTATION),mb=Jp(Jx,Jx.SHEEN),gb=Jp(Jx,Jx.SHEEN_ROUGHNESS),fb=Jp(Jx,Jx.ANISOTROPY),yb=Jp(Jx,Jx.IRIDESCENCE),xb=Jp(Jx,Jx.IRIDESCENCE_IOR),bb=Jp(Jx,Jx.IRIDESCENCE_THICKNESS),vb=Jp(Jx,Jx.TRANSMISSION),Tb=Jp(Jx,Jx.THICKNESS),_b=Jp(Jx,Jx.IOR),wb=Jp(Jx,Jx.ATTENUATION_DISTANCE),Sb=Jp(Jx,Jx.ATTENUATION_COLOR),Mb=Jp(Jx,Jx.LINE_SCALE),Ab=Jp(Jx,Jx.LINE_DASH_SIZE),Nb=Jp(Jx,Jx.LINE_GAP_SIZE),Rb=Jp(Jx,Jx.LINE_WIDTH),Cb=Jp(Jx,Jx.LINE_DASH_OFFSET),Eb=Jp(Jx,Jx.POINT_WIDTH),Bb=Jp(Jx,Jx.DISPERSION),Ib=nf(new Zs).onReference((function(t){return t.material})).onRenderUpdate((function({material:t}){this.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation))}));ap("MaterialNode",Jx);const Pb=km("position","vec3"),Fb=Pb.toVar("positionLocal"),Ub=Vm(zx.mul(Fb).xyz,"v_positionWorld"),Ob=Vm(Fb.transformDirection(zx),"v_positionWorldDirection").normalize().toVar("positionWorldDirection"),zb=Vm(Ux.mul(Fb).xyz,"v_positionView"),Lb=Vm(zb.negate(),"v_positionViewDirection").normalize().toVar("positionViewDirection");class Vb extends lp{constructor(t=null){super("vec4"),this.positionNode=t}setup(t){if("fragment"===t.shaderStage)return Vm(t.context.mvp);const e=this.positionNode||Fb;return bx.mul(Ux).mul(e)}}const Db=Yp(Vb);ap("ModelViewProjectionNode",Vb);class kb extends fp{constructor(t,e=null,s=0,i=0){super(t,e),this.isBufferNode=!0,this.bufferType=e,this.bufferStride=s,this.bufferOffset=i,this.usage=As,this.instanced=!1,this.attribute=null,this.global=!0,t&&!0===t.isBufferAttribute&&(this.attribute=t,this.usage=t.usage,this.instanced=t.isInstancedBufferAttribute)}getHash(t){if(0===this.bufferStride&&0===this.bufferOffset){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getNodeType(t){return null===this.bufferType&&(this.bufferType=t.getTypeFromAttribute(this.attribute)),this.bufferType}setup(t){if(null!==this.attribute)return;const e=this.getNodeType(t),s=this.value,i=t.getTypeLength(e),r=this.bufferStride||i,n=this.bufferOffset,o=!0===s.isInterleavedBuffer?s:new ro(s,r),a=new oo(o,i,n);o.setUsage(this.usage),this.attribute=a,this.attribute.isInstancedBufferAttribute=this.instanced}generate(t){const e=this.getNodeType(t),s=t.getBufferAttributeFromNode(this,e),i=t.getPropertyName(s);let r=null;if("vertex"===t.shaderStage||"compute"===t.shaderStage)this.name=i,r=i;else{r=Vm(this).build(t,e)}return r}getInputType(){return"bufferAttribute"}setUsage(t){return this.usage=t,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=t),this}setInstanced(t){return this.instanced=t,this}}const Gb=(t,e,s,i)=>qp(new kb(t,e,s,i)),Wb=(t,e,s,i)=>Gb(t,e,s,i).setUsage(Ns),jb=(t,e,s,i)=>Gb(t,e,s,i).setInstanced(!0),Hb=(t,e,s,i)=>Wb(t,e,s,i).setInstanced(!0);vp("toAttribute",(t=>Gb(t.value))),ap("BufferAttributeNode",kb);class qb extends op{constructor(t){super("void"),this.instanceMesh=t,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Hd.FRAME,this.buffer=null,this.bufferColor=null}setup(){let t=this.instanceMatrixNode;const e=this.instanceMesh;if(null===t){const s=e.instanceMatrix,i=new Mc(s.array,16,1);this.buffer=i;const r=s.usage===Ns?Hb:jb,n=[r(i,"vec4",16,0),r(i,"vec4",16,4),r(i,"vec4",16,8),r(i,"vec4",16,12)];t=Nm(...n),this.instanceMatrixNode=t}const s=e.instanceColor;if(s&&null===this.instanceColorNode){const t=new Go(s.array,3),e=s.usage===Ns?Hb:jb;this.bufferColor=t,this.instanceColorNode=cm(e(t,"vec3",3,0))}const i=t.mul(Fb).xyz,r=wm(t[0].xyz,t[1].xyz,t[2].xyz),n=Wx.div(cm(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2]))),o=r.mul(n).xyz;Fb.assign(i),Wx.assign(o),null!==this.instanceColorNode&&dg("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMesh.instanceMatrix.usage!==Ns&&this.instanceMesh.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMesh.instanceMatrix.version),this.instanceMesh.instanceColor&&this.instanceMesh.instanceColor.usage!==Ns&&this.instanceMesh.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceMesh.instanceColor.version)}}const $b=Yp(qb);ap("InstanceNode",qb);const Xb=Zp(((t,e)=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),km("tangent","vec4"))))(),Yb=Xb.xyz.toVar("tangentLocal"),Jb=Vm(Ux.mul(gm(Yb,0)).xyz,"v_tangentView").normalize().toVar("tangentView"),Zb=Vm(Jb.transformDirection(Tx),"v_tangentWorld").normalize().toVar("tangentWorld"),Qb=Jb.toVar("transformedTangentView"),Kb=Qb.transformDirection(Tx).normalize().toVar("transformedTangentWorld");class tv extends op{constructor(t){super("void"),this.batchMesh=t,this.instanceColorNode=null,this.batchingIdNode=null}setup(t){null===this.batchingIdNode&&(null===t.getDrawIndex()?this.batchingIdNode=Zm:this.batchingIdNode=Qm);const e=Zp((([t])=>{const e=hf(sx(this.batchMesh._indirectTexture),0),s=rm(t).remainder(rm(e)),i=rm(t).div(rm(e));return sx(this.batchMesh._indirectTexture,hm(s,i),null,"uvec4").x})).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),s=this.batchMesh._matricesTexture,i=hf(sx(s),0),r=im(e(rm(this.batchingIdNode))).mul(4).toVar(),n=rm(r.mod(i)),o=rm(r).div(rm(i)),a=Nm(sx(s,hm(n,o)),sx(s,hm(n.add(1),o)),sx(s,hm(n.add(2),o)),sx(s,hm(n.add(3),o))),h=wm(a[0].xyz,a[1].xyz,a[2].xyz);Fb.assign(a.mul(Fb));const l=Wx.div(cm(h[0].dot(h[0]),h[1].dot(h[1]),h[2].dot(h[2]))),u=h.mul(l).xyz;Wx.assign(u),t.hasGeometryAttribute("tangent")&&Yb.mulAssign(h)}}const ev=Yp(tv);ap("batch",tv);class sv extends op{constructor(t,e=!1){let s,i,r;super("void"),this.skinnedMesh=t,this.useReference=e,this.updateType=Hd.OBJECT,this.skinIndexNode=km("skinIndex","uvec4"),this.skinWeightNode=km("skinWeight","vec4"),e?(s=cx("bindMatrix","mat4"),i=cx("bindMatrixInverse","mat4"),r=dx("skeleton.boneMatrices","mat4",t.skeleton.bones.length)):(s=nf(t.bindMatrix,"mat4"),i=nf(t.bindMatrixInverse,"mat4"),r=nx(t.skeleton.boneMatrices,"mat4",t.skeleton.bones.length)),this.bindMatrixNode=s,this.bindMatrixInverseNode=i,this.boneMatricesNode=r}setup(t){const{skinIndexNode:e,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:r,boneMatricesNode:n}=this,o=n.element(e.x),a=n.element(e.y),h=n.element(e.z),l=n.element(e.w),u=i.mul(Fb),c=uf(o.mul(s.x).mul(u),a.mul(s.y).mul(u),h.mul(s.z).mul(u),l.mul(s.w).mul(u)),d=r.mul(c).xyz;let p=uf(s.x.mul(o),s.y.mul(a),s.z.mul(h),s.w.mul(l));p=r.mul(p).mul(i);const m=p.transformDirection(Wx).xyz;Fb.assign(d),Wx.assign(m),t.hasGeometryAttribute("tangent")&&Yb.assign(m)}generate(t,e){if("void"!==e)return Fb.build(t,e)}update(t){(this.useReference?t.object:this.skinnedMesh).skeleton.update()}}const iv=t=>qp(new sv(t)),rv=t=>qp(new sv(t,!0));ap("SkinningNode",sv);class nv extends op{constructor(t=[]){super(),this.params=t}getVarName(t){return String.fromCharCode("i".charCodeAt()+t)}getProperties(t){const e=t.getNodeProperties(this);if(void 0!==e.stackNode)return e;const s={};for(let t=0,e=this.params.length-1;tNumber(n)?">=":"<"));const u={start:r,end:n,condition:h},c=u.start,d=u.end;let p="",m="",g="";l||(l="int"===a||"uint"===a?h.includes("<")?"++":"--":h.includes("<")?"+= 1.":"-= 1."),p+=t.getVar(a,o)+" = "+c,m+=o+" "+h+" "+d,g+=o+" "+l;const f=`for ( ${p}; ${m}; ${g} )`;t.addFlowCode((0===e?"\n":"")+t.tab+f+" {\n\n").addFlowTab()}const r=i.build(t,"void"),n=e.returnsNode?e.returnsNode.build(t):"";t.removeFlowTab().addFlowCode("\n"+t.tab+r);for(let e=0,s=this.params.length-1;eqp(new nv(Xp(t,"int"))).append(),av=()=>Zy("continue").append(),hv=()=>Zy("break").append();vp("loop",((t,...e)=>Wm(t,ov(...e)))),ap("LoopNode",nv);const lv=new WeakMap,uv=new vi,cv=Zp((({bufferMap:t,influence:e,stride:s,width:i,depth:r,offset:n})=>{const o=rm(Jm).mul(s).add(n),a=o.div(i),h=o.sub(a.mul(i));return sx(t,hm(h,a)).depth(r).mul(e)}));class dv extends op{constructor(t){super("void"),this.mesh=t,this.morphBaseInfluence=nf(1),this.updateType=Hd.OBJECT}setup(t){const{geometry:e}=t,s=void 0!==e.morphAttributes.position,i=void 0!==e.morphAttributes.normal,r=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,n=void 0!==r?r.length:0,{texture:o,stride:a,size:h}=function(t){const e=void 0!==t.morphAttributes.position,s=void 0!==t.morphAttributes.normal,i=void 0!==t.morphAttributes.color,r=t.morphAttributes.position||t.morphAttributes.normal||t.morphAttributes.color,n=void 0!==r?r.length:0;let o=lv.get(t);if(void 0===o||o.count!==n){void 0!==o&&o.texture.dispose();const a=t.morphAttributes.position||[],h=t.morphAttributes.normal||[],l=t.morphAttributes.color||[];let u=0;!0===e&&(u=1),!0===s&&(u=2),!0===i&&(u=3);let c=t.attributes.position.count*u,d=1;const p=4096;c>p&&(d=Math.ceil(c/p),c=p);const m=new Float32Array(c*d*4*n),g=new wi(m,c,d,n);g.type=It,g.needsUpdate=!0;const f=4*u;for(let x=0;x{const e=im(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?e.assign(sx(this.mesh.morphTexture,hm(rm(t).add(1),rm(Zm))).r):e.assign(cx("morphTargetInfluences","float").element(t).toVar()),!0===s&&Fb.addAssign(cv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(0)})),!0===i&&Wx.addAssign(cv({bufferMap:o,influence:e,stride:a,width:l,depth:t,offset:rm(1)}))}))}update(){const t=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?t.value=1:t.value=1-this.mesh.morphTargetInfluences.reduce(((t,e)=>t+e),0)}}const pv=Yp(dv);ap("MorphNode",dv);const mv=Lb.negate().reflect(qx),gv=mv.transformDirection(Tx).toVar("reflectVector");class fv extends tx{constructor(t,e=null,s=null){super(t,e,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){return gv}setUpdateMatrix(){}setupUV(t,e){const s=this.value;return t.renderer.coordinateSystem!==Ls&&s.isRenderTargetTexture?e:cm(e.x.negate(),e.yz)}generateUV(t,e){return e.build(t,"vec3")}}const yv=Yp(fv);vp("cubeTexture",yv),ap("CubeTextureNode",fv);class xv extends op{constructor(){super("vec3")}generate(){console.warn("Abstract function.")}}ap("LightingNode",xv);let bv=null;class vv extends xv{constructor(t=null){super(),this.updateType=Hd.FRAME,this.light=t,this.rtt=null,this.shadowNode=null,this.shadowMaskNode=null,this.color=new $r,this._defaultColorNode=nf(this.color),this.colorNode=this._defaultColorNode,this.isAnalyticLightNode=!0}getCacheKey(){return super.getCacheKey()+"-"+this.light.id+"-"+(this.light.castShadow?"1":"0")}getHash(){return this.light.uuid}setupShadow(t){const{object:e}=t;if(!1===e.receiveShadow)return;let s=this.shadowNode;if(null===s){null===bv&&(bv=t.createNodeMaterial(),bv.fragmentNode=gm(0,0,0,1),bv.isShadowNodeMaterial=!0);const i=this.light.shadow,r=t.createRenderTarget(i.mapSize.width,i.mapSize.height),n=new Za;n.minFilter=ft,n.magFilter=ft,n.image.width=i.mapSize.width,n.image.height=i.mapSize.height,n.compareFunction=bs,r.depthTexture=n,i.camera.updateProjectionMatrix();const o=cx("intensity","float",i),a=cx("bias","float",i),h=cx("normalBias","float",i),l=e.material.shadowPositionNode||Ub;let u=nf(i.matrix).mul(l.add(Hx.mul(h)));u=u.xyz.div(u.w);const c=u.x.greaterThanEqual(0).and(u.x.lessThanEqual(1)).and(u.y.greaterThanEqual(0)).and(u.y.lessThanEqual(1)).and(u.z.lessThanEqual(1));let d=u.z.add(a);t.renderer.coordinateSystem===Ls&&(d=d.mul(2).sub(1)),u=cm(u.x,u.y.oneMinus(),d);const p=(t,e,s)=>ex(t,e).compare(s);s=p(n,u.xy,u.z);const m=ex(r.texture,u),g=c.mix(1,s.mix(m.a.mix(1,m),1));this.rtt=r,this.colorNode=this.colorNode.mul(Py(1,g,o)),this.shadowNode=s,this.shadowMaskNode=g,this.updateBeforeType=Hd.RENDER}}setup(t){this.light.castShadow?this.setupShadow(t):null!==this.shadowNode&&this.disposeShadow()}updateShadow(t){const{rtt:e,light:s}=this,{renderer:i,scene:r,camera:n}=t,o=r.overrideMaterial;r.overrideMaterial=bv,e.setSize(s.shadow.mapSize.width,s.shadow.mapSize.height),s.shadow.updateMatrices(s),s.shadow.camera.layers.mask=n.layers.mask;const a=i.toneMapping,h=i.getRenderTarget(),l=i.getRenderObjectFunction();i.setRenderObjectFunction(((t,...e)=>{!0===t.castShadow&&i.renderObject(t,...e)})),i.setRenderTarget(e),i.toneMapping=0,i.render(r,s.shadow.camera),i.setRenderTarget(h),i.setRenderObjectFunction(l),i.toneMapping=a,r.overrideMaterial=o}disposeShadow(){this.rtt.dispose(),this.shadowNode=null,this.shadowMaskNode=null,this.rtt=null,this.colorNode=this._defaultColorNode}updateBefore(t){const{light:e}=this;e.castShadow&&this.updateShadow(t)}update(){const{light:t}=this;this.color.copy(t.color).multiplyScalar(t.intensity)}}ap("AnalyticLightNode",vv);const Tv=new WeakMap;class _v extends op{constructor(t=[]){super("vec3"),this.totalDiffuseNode=cm().temp("totalDiffuse"),this.totalSpecularNode=cm().temp("totalSpecular"),this.outgoingLightNode=cm().temp("outgoingLight"),this.lightNodes=t,this._hash=null}get hasLight(){return this.lightNodes.length>0}getHash(){if(null===this._hash){const t=[];for(const e of this.lightNodes)t.push(e.getHash());this._hash="lights-"+t.join(",")}return this._hash}analyze(t){const e=t.getDataFromNode(this);for(const s of e.nodes)s.build(t)}setup(t){const e=t.context,s=e.lightingModel;let i=this.outgoingLightNode;if(s){const{lightNodes:r,totalDiffuseNode:n,totalSpecularNode:o}=this;e.outgoingLight=i;const a=t.addStack();t.getDataFromNode(this).nodes=a.nodes,s.start(e,a,t);for(const e of r)e.build(t);s.indirectDiffuse(e,a,t),s.indirectSpecular(e,a,t),s.ambientOcclusion(e,a,t);const{backdrop:h,backdropAlpha:l}=e,{directDiffuse:u,directSpecular:c,indirectDiffuse:d,indirectSpecular:p}=e.reflectedLight;let m=u.add(d);null!==h&&(m=cm(null!==l?l.mix(m,h):h),e.material.transparent=!0),n.assign(m),o.assign(c.add(p)),i.assign(n.add(o)),s.finish(e,a,t),i=i.bypass(t.removeStack())}return i}_getLightNodeById(t){for(const e of this.lightNodes)if(e.isAnalyticLightNode&&e.light.id===t)return e;return null}fromLights(t=[]){const e=[];t=(t=>t.sort(((t,e)=>t.id-e.id)))(t);for(const s of t){let t=this._getLightNodeById(s.id);if(null===t){const e=s.constructor,i=Tv.has(e)?Tv.get(e):vv;t=qp(new i(s))}e.push(t)}return this.lightNodes=e,this._hash=null,this}}const wv=t=>qp((new _v).fromLights(t)),Sv=Yp(_v);function Mv(t,e){if(Tv.has(t))console.warn(`Redefinition of light node ${e.type}`);else{if("function"!=typeof t)throw new Error(`Light ${t.name} is not a class`);if("function"!=typeof e||!e.type)throw new Error(`Light node ${e.type} is not a class`);Tv.set(t,e)}}class Av extends xv{constructor(t=null){super(),this.aoNode=t}setup(t){const e=this.aoNode.x.sub(1).mul(1).add(1);t.context.ambientOcclusion.mulAssign(e)}}ap("AONode",Av);class Nv extends qm{constructor(t,e=null,s=null,i=null){super(t),this.lightingModel=e,this.backdropNode=s,this.backdropAlphaNode=i,this._context=null}getContext(){const{backdropNode:t,backdropAlphaNode:e}=this,s={directDiffuse:cm().temp("directDiffuse"),directSpecular:cm().temp("directSpecular"),indirectDiffuse:cm().temp("indirectDiffuse"),indirectSpecular:cm().temp("indirectSpecular")};return{radiance:cm().temp("radiance"),irradiance:cm().temp("irradiance"),iblIrradiance:cm().temp("iblIrradiance"),ambientOcclusion:im(1).temp("ambientOcclusion"),reflectedLight:s,backdrop:t,backdropAlpha:e}}setup(t){return this.context=this._context||(this._context=this.getContext()),this.context.lightingModel=this.lightingModel||t.context.lightingModel,super.setup(t)}}const Rv=Yp(Nv);vp("lightingContext",Rv),ap("LightingContextNode",Nv);const Cv=t=>t.mul(Xb.w).xyz,Ev=Vm(Cv(Gx.cross(Xb)),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Bv=Vm(Cv(Wx.cross(Yb)),"v_bitangentLocal").normalize().toVar("bitangentLocal"),Iv=Vm(Cv(jx.cross(Jb)),"v_bitangentView").normalize().toVar("bitangentView"),Pv=Vm(Cv(Hx.cross(Zb)),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Fv=Cv(qx.cross(Qb)).normalize().toVar("transformedBitangentView"),Uv=Fv.transformDirection(Tx).normalize().toVar("transformedBitangentWorld"),Ov=wm(Jb,Iv,jx),zv=Lb.mul(Ov),Lv=(t,e)=>t.sub(zv.mul(e)),Vv=(()=>{let t=Ag.cross(Lb);return t=t.cross(Ag).normalize(),t=Py(t,qx,Sg.mul(mg.oneMinus()).oneMinus().pow2().pow2()).normalize(),t})();class Dv extends op{constructor(t,e,s=null){super(),this.condNode=t,this.ifNode=e,this.elseNode=s}getNodeType(t){const e=this.ifNode.getNodeType(t);if(null!==this.elseNode){const s=this.elseNode.getNodeType(t);if(t.getTypeLength(s)>t.getTypeLength(e))return s}return e}setup(t){const e=t.getNodeProperties(this);e.condNode=this.condNode.cache(),e.ifNode=this.ifNode.cache(),e.elseNode=this.elseNode?this.elseNode.cache():null}generate(t,e){const s=this.getNodeType(t),i=t.getDataFromNode(this);if(void 0!==i.nodeProperty)return i.nodeProperty;const{condNode:r,ifNode:n,elseNode:o}=t.getNodeProperties(this),a="void"!==e,h=a?cg(s).build(t):"";i.nodeProperty=h;const l=r.build(t,"bool");t.addFlowCode(`\n${t.tab}if ( ${l} ) {\n\n`).addFlowTab();let u=n.build(t,s);if(u&&(u=a?h+" = "+u+";":"return "+u+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+u+"\n\n"+t.tab+"}"),null!==o){t.addFlowCode(" else {\n\n").addFlowTab();let e=o.build(t,s);e&&(e=a?h+" = "+e+";":"return "+e+";"),t.removeFlowTab().addFlowCode(t.tab+"\t"+e+"\n\n"+t.tab+"}\n\n")}else t.addFlowCode("\n\n");return t.format(h,s,e)}}const kv=Yp(Dv);vp("cond",kv),ap("CondNode",Dv);const Gv=im(1),Wv=im(-2),jv=im(.8),Hv=im(-1),qv=im(.4),$v=im(2),Xv=im(.305),Yv=im(3),Jv=im(.21),Zv=im(4),Qv=im(4),Kv=im(16),tT=Zp((([t])=>{const e=cm(iy(t)).toVar(),s=im(-1).toVar();return tm(e.x.greaterThan(e.z),(()=>{tm(e.x.greaterThan(e.y),(()=>{s.assign(kv(t.x.greaterThan(0),0,3))})).else((()=>{s.assign(kv(t.y.greaterThan(0),1,4))}))})).else((()=>{tm(e.z.greaterThan(e.y),(()=>{s.assign(kv(t.z.greaterThan(0),2,5))})).else((()=>{s.assign(kv(t.y.greaterThan(0),1,4))}))})),s})).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),eT=Zp((([t,e])=>{const s=am().toVar();return tm(e.equal(0),(()=>{s.assign(am(t.z,t.y).div(iy(t.x)))})).elseif(e.equal(1),(()=>{s.assign(am(t.x.negate(),t.z.negate()).div(iy(t.y)))})).elseif(e.equal(2),(()=>{s.assign(am(t.x.negate(),t.y).div(iy(t.z)))})).elseif(e.equal(3),(()=>{s.assign(am(t.z.negate(),t.y).div(iy(t.x)))})).elseif(e.equal(4),(()=>{s.assign(am(t.x.negate(),t.z).div(iy(t.y)))})).else((()=>{s.assign(am(t.x,t.y).div(iy(t.z)))})),df(.5,s.add(1))})).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),sT=Zp((([t])=>{const e=im(0).toVar();return tm(t.greaterThanEqual(jv),(()=>{e.assign(Gv.sub(t).mul(Hv.sub(Wv)).div(Gv.sub(jv)).add(Wv))})).elseif(t.greaterThanEqual(qv),(()=>{e.assign(jv.sub(t).mul($v.sub(Hv)).div(jv.sub(qv)).add(Hv))})).elseif(t.greaterThanEqual(Xv),(()=>{e.assign(qv.sub(t).mul(Yv.sub($v)).div(qv.sub(Xv)).add($v))})).elseif(t.greaterThanEqual(Jv),(()=>{e.assign(Xv.sub(t).mul(Zv.sub(Yv)).div(Xv.sub(Jv)).add(Yv))})).else((()=>{e.assign(im(-2).mul(jf(df(1.16,t))))})),e})).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),iT=Zp((([t,e])=>{const s=t.toVar();s.assign(df(2,s).sub(1));const i=cm(s,1).toVar();return tm(e.equal(0),(()=>{i.assign(i.zyx)})).elseif(e.equal(1),(()=>{i.assign(i.xzy),i.xz.mulAssign(-1)})).elseif(e.equal(2),(()=>{i.x.mulAssign(-1)})).elseif(e.equal(3),(()=>{i.assign(i.zyx),i.xz.mulAssign(-1)})).elseif(e.equal(4),(()=>{i.assign(i.xzy),i.xy.mulAssign(-1)})).elseif(e.equal(5),(()=>{i.z.mulAssign(-1)})),i})).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),rT=Zp((([t,e,s,i,r,n])=>{const o=im(s),a=cm(e),h=Fy(sT(o),Wv,n),l=Jf(h),u=$f(h),c=cm(nT(t,a,u,i,r,n)).toVar();return tm(l.notEqual(0),(()=>{const e=cm(nT(t,a,u.add(1),i,r,n)).toVar();c.assign(Py(c,e,l))})),c})),nT=Zp((([t,e,s,i,r,n])=>{const o=im(s).toVar(),a=cm(e),h=im(tT(a)).toVar(),l=im(xy(Qv.sub(o),0)).toVar();o.assign(xy(o,Qv));const u=im(Gf(o)).toVar(),c=am(eT(a,h).mul(u.sub(2)).add(1)).toVar();return tm(h.greaterThan(2),(()=>{c.y.addAssign(u),h.subAssign(3)})),c.x.addAssign(h.mul(u)),c.x.addAssign(l.mul(df(3,Kv))),c.y.addAssign(df(4,Gf(n).sub(u))),c.x.mulAssign(i),c.y.mulAssign(r),t.uv(c).grad(am(),am())})),oT=Zp((({envMap:t,mipInt:e,outputDirection:s,theta:i,axis:r,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:a})=>{const h=Qf(i),l=s.mul(h).add(r.cross(s).mul(Zf(i))).add(r.mul(r.dot(s).mul(h.oneMinus())));return nT(t,l,e,n,o,a)})),aT=Zp((({n:t,latitudinal:e,poleAxis:s,outputDirection:i,weights:r,samples:n,dTheta:o,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})=>{const d=cm(kv(e,s,My(s,i))).toVar();tm(Of(d.equals(cm(0))),(()=>{d.assign(cm(i.z,0,i.x.negate()))})),d.assign(Yf(d));const p=cm().toVar();return p.addAssign(r.element(rm(0)).mul(oT({theta:0,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),ov({start:rm(1),end:t},(({i:t})=>{tm(t.greaterThanEqual(n),(()=>{hv()}));const e=im(o.mul(im(t))).toVar();p.addAssign(r.element(t).mul(oT({theta:e.mul(-1),axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c}))),p.addAssign(r.element(t).mul(oT({theta:e,axis:d,outputDirection:i,mipInt:a,envMap:h,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:u,CUBEUV_MAX_MIP:c})))})),gm(p,1)}));let hT=null;const lT=new WeakMap;class uT extends lp{constructor(t,e=null,s=null){super("vec3"),this._value=t,this._pmrem=null,this.uvNode=e,this.levelNode=s,this._generator=null,this._texture=ex(null),this._width=nf(0),this._height=nf(0),this._maxMip=nf(0),this.updateBeforeType=Hd.RENDER}set value(t){this._value=t,this._pmrem=null}get value(){return this._value}updateFromTexture(t){const e=function(t){const e=Math.log2(t)-2,s=1/t;return{texelWidth:1/(3*Math.max(Math.pow(2,e),112)),texelHeight:s,maxMip:e}}(t.image.height);this._texture.value=t,this._width.value=e.texelWidth,this._height.value=e.texelHeight,this._maxMip.value=e.maxMip}updateBefore(){let t=this._pmrem;const e=t?t.pmremVersion:-1,s=this._value;e!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:function(t){let e=lT.get(t);if((void 0!==e?e.pmremVersion:-1)!==t.pmremVersion){if(t.isCubeTexture){if(t.source.data.some((t=>void 0===t)))throw new Error("PMREMNode: Undefined texture in CubeTexture. Use onLoad callback or async loader");e=hT.fromCubemap(t,e)}else{if(void 0===t.image)throw new Error("PMREMNode: Undefined image in Texture. Use onLoad callback or async loader");e=hT.fromEquirectangular(t,e)}e.pmremVersion=t.pmremVersion,lT.set(t,e)}return e.texture}(s),this._pmrem=t,this.updateFromTexture(t))}setup(t){null===hT&&(hT=t.createPMREMGenerator()),this.updateBefore(t);let e=this.uvNode;null===e&&t.context.getUV&&(e=t.context.getUV(this));const s=this.value;t.renderer.coordinateSystem===zs&&!0!==s.isPMREMTexture&&!0===s.isRenderTargetTexture&&(e=cm(e.x.negate(),e.yz));let i=this.levelNode;return null===i&&t.context.getTextureLevel&&(i=t.context.getTextureLevel(this)),rT(this._texture,e,i,this._width,this._height,this._maxMip)}}const cT=Yp(uT);ap("PMREMNode",uT);const dT=new WeakMap;class pT extends xv{constructor(t=null){super(),this.envNode=t}setup(t){let e=this.envNode;if(e.isTextureNode){let t=dT.get(e.value);void 0===t&&(t=cT(e.value),dT.set(e.value,t)),e=t}const{material:s}=t,i=s.envMap?cx("envMapIntensity","float",t.material):cx("environmentIntensity","float",t.scene),r=!0===s.useAnisotropy||s.anisotropy>0,n=$m(e,mT(mg,r?Vv:qx)).mul(i),o=$m(e,gT($x)).mul(Math.PI).mul(i),a=Hm(n),h=Hm(o);t.context.radiance.addAssign(a),t.context.iblIrradiance.addAssign(h);const l=t.context.lightingModel.clearcoatRadiance;if(l){const t=$m(e,mT(yg,Xx)).mul(i),s=Hm(t);l.addAssign(s)}}}const mT=(t,e)=>{let s=null;return{getUV:()=>(null===s&&(s=Lb.negate().reflect(e),s=t.mul(t).mix(s,e).normalize(),s=s.transformDirection(Tx)),s),getTextureLevel:()=>t}},gT=t=>({getUV:()=>t,getTextureLevel:()=>im(1)});ap("EnvironmentNode",pT);class fT extends xv{constructor(t){super(),this.node=t}setup(t){t.context.irradiance.addAssign(this.node)}}let yT,xT;ap("IrradianceNode",fT);class bT extends op{constructor(t){super(),this.scope=t,this.isViewportNode=!0}getNodeType(){return this.scope===bT.VIEWPORT?"vec4":this.scope===bT.COORDINATE?"vec3":"vec2"}getUpdateType(){let t=Hd.NONE;return this.scope!==bT.RESOLUTION&&this.scope!==bT.VIEWPORT||(t=Hd.RENDER),this.updateType=t,t}update({renderer:t}){this.scope===bT.VIEWPORT?t.getViewport(xT):t.getDrawingBufferSize(yT)}setup(){const t=this.scope;let e=null;if(t===bT.RESOLUTION)e=nf(yT||(yT=new Zs));else if(t===bT.VIEWPORT)e=nf(xT||(xT=new vi));else{e=vT.div(TT);let s=e.x,i=e.y;/bottom/i.test(t)&&(i=i.oneMinus()),/right/i.test(t)&&(s=s.oneMinus()),e=am(s,i)}return e}generate(t){if(this.scope===bT.COORDINATE){let e=t.getFragCoord();if(t.isFlipY()){const s=t.getNodeProperties(TT).outputNode.build(t);e=`${t.getType("vec3")}( ${e}.x, ${s}.y - ${e}.y, ${e}.z )`}return e}return super.generate(t)}}bT.COORDINATE="coordinate",bT.RESOLUTION="resolution",bT.VIEWPORT="viewport",bT.TOP_LEFT="topLeft",bT.BOTTOM_LEFT="bottomLeft",bT.TOP_RIGHT="topRight",bT.BOTTOM_RIGHT="bottomRight";const vT=Jp(bT,bT.COORDINATE),TT=Jp(bT,bT.RESOLUTION),_T=Jp(bT,bT.VIEWPORT),wT=Jp(bT,bT.TOP_LEFT),ST=Jp(bT,bT.BOTTOM_LEFT),MT=Jp(bT,bT.TOP_RIGHT),AT=Jp(bT,bT.BOTTOM_RIGHT);ap("ViewportNode",bT);const NT=new Zs;class RT extends tx{constructor(t=wT,e=null,s=null){null===s&&((s=new qa).minFilter=St),super(s,t,e),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Hd.FRAME}updateBefore(t){const e=t.renderer;e.getDrawingBufferSize(NT);const s=this.value;s.image.width===NT.width&&s.image.height===NT.height||(s.image.width=NT.width,s.image.height=NT.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,e.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const t=new this.constructor(this.uvNode,this.levelNode,this.value);return t.generateMipmaps=this.generateMipmaps,t}}const CT=Yp(RT),ET=Yp(RT,null,null,{generateMipmaps:!0});vp("viewportTexture",CT),vp("viewportMipTexture",ET),ap("ViewportTextureNode",RT);let BT=null;class IT extends RT{constructor(t=wT,e=null){null===BT&&(BT=new Za),super(t,e,BT)}}const PT=Yp(IT);vp("viewportDepthTexture",PT),ap("ViewportDepthTextureNode",IT);class FT extends op{constructor(t,e=null){super("float"),this.scope=t,this.valueNode=e,this.isViewportDepthNode=!0}generate(t){const{scope:e}=this;return e===FT.DEPTH?t.getFragDepth():super.generate(t)}setup({camera:t}){const{scope:e}=this,s=this.valueNode;let i=null;if(e===FT.DEPTH)i=null!==s?VT().assign(s):t.isPerspectiveCamera?zT(zb.z,fx,yx):UT(zb.z,fx,yx);else if(e===FT.LINEAR_DEPTH)if(null!==s)if(t.isPerspectiveCamera){const t=LT(s,fx,yx);i=UT(t,fx,yx)}else i=s;else i=UT(zb.z,fx,yx);return i}}const UT=(t,e,s)=>t.add(e).div(e.sub(s)),OT=(t,e,s)=>e.sub(s).mul(t).sub(e),zT=(t,e,s)=>e.add(t).mul(s).div(s.sub(e).mul(t)),LT=(t,e,s)=>e.mul(s).div(s.sub(e).mul(t).sub(s));FT.DEPTH="depth",FT.LINEAR_DEPTH="linearDepth";const VT=Yp(FT,FT.DEPTH),DT=Jp(FT,FT.DEPTH),kT=Yp(FT,FT.LINEAR_DEPTH),GT=kT(PT());DT.assign=t=>VT(t),ap("ViewportDepthNode",FT);class WT extends op{constructor(t=WT.DEFAULT){super(),this.scope=t}setup(t){super.setup(t);const e=t.clippingContext,{localClipIntersection:s,localClippingCount:i,globalClippingCount:r}=e,n=r+i,o=s?n-i:n;return this.scope===WT.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(e.planes,n,o):this.setupDefault(e.planes,n,o)}setupAlphaToCoverage(t,e,s){return Zp((()=>{const i=hx(t),r=cg("float","distanceToPlane"),n=cg("float","distanceToGradient"),o=cg("float","clipOpacity");let a;if(o.assign(1),ov(s,(({i:t})=>{a=i.element(t),r.assign(zb.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),o.mulAssign(zy(n.negate(),n,r)),o.equal(0).discard()})),s{a=i.element(e),r.assign(zb.dot(a.xyz).negate().add(a.w)),n.assign(r.fwidth().div(2)),t.mulAssign(zy(n.negate(),n,r).oneMinus())})),o.mulAssign(t.oneMinus())}pg.a.mulAssign(o),pg.a.equal(0).discard()}))()}setupDefault(t,e,s){return Zp((()=>{const i=hx(t);let r;if(ov(s,(({i:t})=>{r=i.element(t),zb.dot(r.xyz).greaterThan(r.w).discard()})),s{r=i.element(e),t.assign(zb.dot(r.xyz).greaterThan(r.w).and(t))})),t.discard()}}))()}}WT.ALPHA_TO_COVERAGE="alphaToCoverage",WT.DEFAULT="default";class jT extends op{constructor(){super("bool"),this.isFrontFacingNode=!0}generate(t){const{renderer:e,material:s}=t;return e.coordinateSystem===zs&&s.side===d?"false":t.getFrontFacing()}}const HT=Jp(jT),qT=im(HT).mul(2).sub(1);ap("FrontFacingNode",jT);const $T=new Map;class XT extends Jr{constructor(){super(),this.isNodeMaterial=!0,this.type=this.constructor.type,this.forceSinglePass=!1,this.fog=!0,this.lights=!0,this.normals=!0,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.positionNode=null,this.depthNode=null,this.shadowNode=null,this.shadowPositionNode=null,this.outputNode=null,this.fragmentNode=null,this.vertexNode=null}customProgramCacheKey(){return this.type+Zd(this)}build(t){this.setup(t)}setup(t){let e;t.addStack(),t.stack.outputNode=this.vertexNode||this.setupPosition(t),t.addFlow("vertex",t.removeStack()),t.addStack();const s=this.setupClipping(t);if(!0===this.depthWrite&&this.setupDepth(t),null===this.fragmentNode){!0===this.normals&&this.setupNormal(t),this.setupDiffuseColor(t),this.setupVariants(t);const i=this.setupLighting(t);null!==s&&t.stack.add(s);const r=gm(i,pg.a).max(0);e=this.setupOutput(t,r),Eg.assign(e),null!==this.outputNode&&(e=this.outputNode)}else{let s=this.fragmentNode;!0!==s.isOutputStructNode&&(s=gm(s)),e=this.setupOutput(t,s)}t.stack.outputNode=e,t.addFlow("fragment",t.removeStack())}setupClipping(t){if(null===t.clippingContext)return null;const{globalClippingCount:e,localClippingCount:s}=t.clippingContext;let i=null;return(e||s)&&(this.alphaToCoverage?i=qp(new WT(WT.ALPHA_TO_COVERAGE)):t.stack.add(qp(new WT))),i}setupDepth(t){const{renderer:e}=t;let s=this.depthNode;if(null===s&&!0===e.logarithmicDepthBuffer){s=Db().w.add(1).log2().mul(xx).mul(.5)}null!==s&&DT.assign(s).append()}setupPosition(t){const{object:e}=t,s=e.geometry;if(t.addStack(),(s.morphAttributes.position||s.morphAttributes.normal||s.morphAttributes.color)&&pv(e).append(),!0===e.isSkinnedMesh&&rv(e).append(),this.displacementMap){const t=mx("displacementMap","texture"),e=mx("displacementScale","float"),s=mx("displacementBias","float");Fb.addAssign(Wx.normalize().mul(t.x.mul(e).add(s)))}e.isBatchedMesh&&ev(e).append(),e.instanceMatrix&&!0===e.instanceMatrix.isInstancedBufferAttribute&&$b(e).append(),null!==this.positionNode&&Fb.assign(this.positionNode);const i=Db();return t.context.vertex=t.removeStack(),t.context.mvp=i,i}setupDiffuseColor({object:t,geometry:e}){let s=this.colorNode?gm(this.colorNode):Qx;if(!0===this.vertexColors&&e.hasAttribute("color")&&(s=gm(s.xyz.mul(km("color","vec3")),s.a)),t.instanceColor){s=dg("vec3","vInstanceColor").mul(s)}pg.assign(s);const i=this.opacityNode?im(this.opacityNode):eb;if(pg.a.assign(pg.a.mul(i)),null!==this.alphaTestNode||this.alphaTest>0){const t=null!==this.alphaTestNode?im(this.alphaTestNode):Zx;pg.a.lessThanEqual(t).discard()}!1===this.transparent&&1===this.blending&&!1===this.alphaToCoverage&&pg.a.assign(1)}setupVariants(){}setupNormal(){if(!0===this.flatShading){const t=zb.dFdx().cross(zb.dFdy()).normalize();qx.assign(t.mul(qT))}else{const t=this.normalNode?cm(this.normalNode):lb;qx.assign(t.mul(qT))}}getEnvNode(t){let e=null;return this.envNode?e=this.envNode:this.envMap?e=this.envMap.isCubeTexture?yv(this.envMap):ex(this.envMap):t.environmentNode&&(e=t.environmentNode),e}setupLights(t){const e=this.getEnvNode(t),s=[];if(e&&s.push(new pT(e)),t.material.lightMap&&s.push(new fT(mx("lightMap","texture"))),null!==this.aoNode||t.material.aoMap){const e=null!==this.aoNode?this.aoNode:ex(t.material.aoMap);s.push(new Av(e))}let i=this.lightsNode||t.lightsNode;return s.length>0&&(i=Sv([...i.lightNodes,...s])),i}setupLightingModel(){}setupLighting(t){const{material:e}=t,{backdropNode:s,backdropAlphaNode:i,emissiveNode:r}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(t):null;let o=pg.rgb;if(n&&!1!==n.hasLight){const e=this.setupLightingModel(t);o=Rv(n,e,s,i)}else null!==s&&(o=cm(null!==i?Py(o,s,i):s));return(r&&!0===r.isNode||e.emissive&&!0===e.emissive.isColor)&&(o=o.add(cm(r||tb))),o}setupOutput(t,e){if(!0===this.fog){const s=t.fogNode;s&&(e=gm(s.mix(e.rgb,s.colorNode),e.a))}return e}setDefaultValues(t){for(const e in t){const s=t[e];void 0===this[e]&&(this[e]=s,s&&s.clone&&(this[e]=s.clone()))}const e=Object.getOwnPropertyDescriptors(t.constructor.prototype);for(const t in e)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,t)&&void 0!==e[t].get&&Object.defineProperty(this.constructor.prototype,t,e[t])}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{},nodes:{}});const s=Jr.prototype.toJSON.call(this,t),i=Qd(this);s.inputNodes={};for(const{property:e,childNode:r}of i)s.inputNodes[e]=r.toJSON(t).uuid;function r(t){const e=[];for(const s in t){const i=t[s];delete i.metadata,e.push(i)}return e}if(e){const e=r(t.textures),i=r(t.images),n=r(t.nodes);e.length>0&&(s.textures=e),i.length>0&&(s.images=i),n.length>0&&(s.nodes=n)}return s}copy(t){return this.lightsNode=t.lightsNode,this.envNode=t.envNode,this.colorNode=t.colorNode,this.normalNode=t.normalNode,this.opacityNode=t.opacityNode,this.backdropNode=t.backdropNode,this.backdropAlphaNode=t.backdropAlphaNode,this.alphaTestNode=t.alphaTestNode,this.positionNode=t.positionNode,this.depthNode=t.depthNode,this.shadowNode=t.shadowNode,this.shadowPositionNode=t.shadowPositionNode,this.outputNode=t.outputNode,this.fragmentNode=t.fragmentNode,this.vertexNode=t.vertexNode,super.copy(t)}static fromMaterial(t){if(!0===t.isNodeMaterial)return t;const e=JT(t.type.replace("Material","NodeMaterial"));if(void 0===e)throw new Error(`NodeMaterial: Material "${t.type}" is not compatible.`);for(const s in t)e[s]=t[s];return e}}function YT(t,e){if("function"!=typeof e||!t)throw new Error(`Node material ${t} is not a class`);$T.has(t)?console.warn(`Redefinition of node material ${t}`):($T.set(t,e),e.type=t)}function JT(t){const e=$T.get(t);if(void 0!==e)return new e}YT("NodeMaterial",XT);class ZT{constructor(t,e){this.name=t,this.value=e,this.boundary=0,this.itemSize=0,this.offset=0}setValue(t){this.value=t}getValue(){return this.value}}class QT extends ZT{constructor(t,e=0){super(t,e),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class KT extends ZT{constructor(t,e=new Zs){super(t,e),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class t_ extends ZT{constructor(t,e=new Ri){super(t,e),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class e_ extends ZT{constructor(t,e=new vi){super(t,e),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class s_ extends ZT{constructor(t,e=new $r){super(t,e),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class i_ extends ZT{constructor(t,e=new Qs){super(t,e),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class r_ extends ZT{constructor(t,e=new rr){super(t,e),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class n_ extends QT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class o_ extends KT{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class a_ extends t_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class h_ extends e_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class l_ extends s_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class u_ extends i_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class c_ extends r_{constructor(t){super(t.name,t.value),this.nodeUniform=t}getValue(){return this.nodeUniform.value}}class d_ extends op{constructor(t=null){super(),this.nodes=[],this.outputNode=null,this.parent=t,this._currentCond=null,this.isStackNode=!0}getNodeType(t){return this.outputNode?this.outputNode.getNodeType(t):"void"}add(t){return this.nodes.push(t),this}if(t,e){const s=new Hp(e);return this._currentCond=kv(t,s),this.add(this._currentCond)}elseif(t,e){const s=new Hp(e),i=kv(t,s);return this._currentCond.elseNode=i,this._currentCond=i,this}else(t){return this._currentCond.elseNode=new Hp(t),this}build(t,...e){const s=Kp();Qp(this);for(const e of this.nodes)e.build(t,"void");return Qp(s),this.outputNode?this.outputNode.build(t,...e):super.build(t,...e)}}const p_=Yp(d_);ap("StackNode",d_);class m_ extends lp{constructor(t=Ob){super("vec2"),this.dirNode=t}setup(){const t=this.dirNode,e=t.z.atan2(t.x).mul(1/(2*Math.PI)).add(.5),s=t.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return am(e,s)}}const g_=Yp(m_);ap("EquirectUVNode",m_);class f_ extends to{constructor(t=1,e={}){super(t,e),this.isCubeRenderTarget=!0}fromEquirectangularTexture(t,e){const s=e.minFilter,i=e.generateMipmaps;e.generateMipmaps=!0,this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const r=new Wn(5,5,5),n=g_(Ob),o=JT("MeshBasicNodeMaterial");o.colorNode=ex(e,n,0),o.side=d,o.blending=m;const a=new kn(r,o),h=new io;h.add(a),e.minFilter===St&&(e.minFilter=Tt);return new Qn(1,10,this).update(t,h),e.minFilter=s,e.currentGenerateMipmaps=i,a.geometry.dispose(),a.material.dispose(),this}}const y_=[.125,.215,.35,.446,.526,.582],x_=20,b_=new Au(-1,1,1,-1,0,1),v_=new Jn(90,1),T_=new $r;let __=null,w_=0,S_=0;const M_=(1+Math.sqrt(5))/2,A_=1/M_,N_=[new Ri(-M_,A_,0),new Ri(M_,A_,0),new Ri(-A_,0,M_),new Ri(A_,0,M_),new Ri(0,M_,-A_),new Ri(0,M_,A_),new Ri(-1,1,-1),new Ri(1,1,-1),new Ri(-1,1,1),new 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this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=U_(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=O_(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;tt-4?h=y_[a-t+4-1]:0===a&&(h=0),i.push(h);const l=1/(o-2),u=-l,c=1+l,d=[u,u,c,u,c,c,u,u,c,c,u,c],p=6,m=6,g=3,f=2,y=1,x=new Float32Array(g*m*p),b=new Float32Array(f*m*p),v=new Float32Array(y*m*p);for(let t=0;t2?0:-1,i=[e,s,0,e+2/3,s,0,e+2/3,s+1,0,e,s,0,e+2/3,s+1,0,e,s+1,0],r=R_[t];x.set(i,g*m*r),b.set(d,f*m*r);const n=[r,r,r,r,r,r];v.set(n,y*m*r)}const T=new wn;T.setAttribute("position",new on(x,g)),T.setAttribute("uv",new on(b,f)),T.setAttribute("faceIndex",new on(v,y)),e.push(T),r.push(new kn(T,null)),n>4&&n--}return{lodPlanes:e,sizeLods:s,sigmas:i,lodMeshes:r}}(i)),this._blurMaterial=function(t,e,s){const i=hx(new Array(x_).fill(0)),r=nf(new Ri(0,1,0)),n=nf(0),o=im(x_),a=nf(0),h=nf(1),l=ex(null),u=nf(0),c=im(1/e),d=im(1/s),p=im(t),m={n:o,latitudinal:a,weights:i,poleAxis:r,outputDirection:E_,dTheta:n,samples:h,envMap:l,mipInt:u,CUBEUV_TEXEL_WIDTH:c,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:p},g=F_();return g.uniforms=m,g.fragmentNode=aT({...m,latitudinal:a.equal(1)}),g}(i,t,e)}return i}_compileMaterial(t){const e=this._lodMeshes[0];e.material=t,this._renderer.compile(e,b_)}_sceneToCubeUV(t,e,s,i){const r=v_;r.near=e,r.far=s;const n=[-1,1,-1,-1,-1,-1],o=[1,1,1,-1,-1,-1],a=this._renderer,h=a.autoClear;a.getClearColor(T_),a.autoClear=!1;let l=this._backgroundBox;if(null===l){const t=new Zr({name:"PMREM.Background",side:d,depthWrite:!1,depthTest:!1});l=new kn(new Wn,t)}let u=!1;const c=t.background;c?c.isColor&&(l.material.color.copy(c),t.background=null,u=!0):(l.material.color.copy(T_),u=!0),a.setRenderTarget(i),a.clear(),u&&a.render(l,r);for(let e=0;e<6;e++){const s=e%3;0===s?(r.up.set(0,n[e],0),r.lookAt(o[e],0,0)):1===s?(r.up.set(0,0,n[e]),r.lookAt(0,o[e],0)):(r.up.set(0,n[e],0),r.lookAt(0,0,o[e]));const h=this._cubeSize;P_(i,s*h,e>2?h:0,h,h),a.render(t,r)}a.autoClear=h,t.background=c}_textureToCubeUV(t,e){const s=this._renderer,i=t.mapping===ht||t.mapping===lt;i?null===this._cubemapMaterial&&(this._cubemapMaterial=U_(t)):null===this._equirectMaterial&&(this._equirectMaterial=O_(t));const r=i?this._cubemapMaterial:this._equirectMaterial;r.fragmentNode.value=t;const n=this._lodMeshes[0];n.material=r;const o=this._cubeSize;P_(e,0,0,3*o,2*o),s.setRenderTarget(e),s.render(n,b_)}_applyPMREM(t){const e=this._renderer,s=e.autoClear;e.autoClear=!1;const i=this._lodPlanes.length;for(let e=1;ex_&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const g=[];let f=0;for(let t=0;ty-4?i-y+4:0),4*(this._cubeSize-x),3*x,2*x),a.setRenderTarget(e),a.render(l,b_)}}function I_(t,e,s){const i=new Ti(t,e,s);return i.texture.mapping=306,i.texture.name="PMREM.cubeUv",i.texture.isPMREMTexture=!0,i.scissorTest=!0,i}function P_(t,e,s,i,r){const n=t.height-r-s;t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function F_(){const t=new XT;return t.depthTest=!1,t.depthWrite=!1,t.blending=m,t}function U_(t){const e=F_();return e.fragmentNode=yv(t,E_),e}function O_(t){const e=F_();return e.fragmentNode=ex(t,g_(E_),0),e}let z_=0;class L_{constructor(t="",e=[]){this.name=t,this.bindings=e,this.id=z_++}}const V_=new WeakMap,D_=new Map([[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),k_=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),G_=t=>(t=Number(t))+(t%1?"":".0");class W_{constructor(t,e,s){this.object=t,this.material=t&&t.material||null,this.geometry=t&&t.geometry||null,this.renderer=e,this.parser=s,this.scene=null,this.camera=null,this.nodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.flow={code:""},this.chaining=[],this.stack=p_(),this.stacks=[],this.tab="\t",this.instanceBindGroups=!0,this.currentFunctionNode=null,this.context={keywords:new 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t}getNodeFromHash(t){return this.hashNodes[t]}addFlow(t,e){return this.flowNodes[t].push(e),e}setContext(t){this.context=t}getContext(){return this.context}setCache(t){this.cache=t}getCache(){return this.cache}getCacheFromNode(t,e=!0){const s=this.getDataFromNode(t);return void 0===s.cache&&(s.cache=new lg(e?this.getCache():null)),s.cache}isAvailable(){return!1}getVertexIndex(){console.warn("Abstract function.")}getInstanceIndex(){console.warn("Abstract function.")}getDrawIndex(){console.warn("Abstract function.")}getFrontFacing(){console.warn("Abstract function.")}getFragCoord(){console.warn("Abstract function.")}isFlipY(){return!1}generateTexture(){console.warn("Abstract function.")}generateTextureLod(){console.warn("Abstract function.")}generateConst(t,e=null){if(null===e&&("float"===t||"int"===t||"uint"===t?e=0:"bool"===t?e=!1:"color"===t?e=new $r:"vec2"===t?e=new Zs:"vec3"===t?e=new Ri:"vec4"===t&&(e=new vi)),"float"===t)return 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this.tab=this.tab.slice(0,-1),this}getFlowData(t){return this.flowsData.get(t)}flowNode(t){const e=t.getNodeType(this),s=this.flowChildNode(t,e);return this.flowsData.set(t,s),s}buildFunctionNode(t){const e=new $g,s=this.currentFunctionNode;return this.currentFunctionNode=e,e.code=this.buildFunctionCode(t),this.currentFunctionNode=s,e}flowShaderNode(t){const e=t.layout;let s;if(t.isArrayInput){s=[];for(const t of e.inputs)s.push(new Dg(t.type,t.name))}else{s={};for(const t of e.inputs)s[t.name]=new Dg(t.type,t.name)}t.layout=null;const i=t.call(s),r=this.flowStagesNode(i,e.type);return t.layout=e,r}flowStagesNode(t,e=null){const s=this.flow,i=this.vars,r=this.cache,n=this.buildStage,o=this.stack,a={code:""};this.flow=a,this.vars={},this.cache=new lg,this.stack=p_();for(const s of Xd)this.setBuildStage(s),a.result=t.build(this,e);return a.vars=this.getVars(this.shaderStage),this.flow=s,this.vars=i,this.cache=r,this.stack=o,this.setBuildStage(n),a}getFunctionOperator(){return null}flowChildNode(t,e=null){const s=this.flow,i={code:""};return this.flow=i,i.result=t.build(this,e),this.flow=s,i}flowNodeFromShaderStage(t,e,s=null,i=null){const r=this.shaderStage;this.setShaderStage(t);const n=this.flowChildNode(e,s);return null!==i&&(n.code+=`${this.tab+i} = ${n.result};\n`),this.flowCode[t]=this.flowCode[t]+n.code,this.setShaderStage(r),n}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){console.warn("Abstract function.")}getVaryings(){console.warn("Abstract function.")}getVar(t,e){return`${this.getType(t)} ${e}`}getVars(t){let e="";const s=this.vars[t];if(void 0!==s)for(const t of s)e+=`${this.getVar(t.type,t.name)}; `;return e}getUniforms(){console.warn("Abstract function.")}getCodes(t){const e=this.codes[t];let s="";if(void 0!==e)for(const t of e)s+=t.code+"\n";return s}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(t){this.shaderStage=t}getShaderStage(){return this.shaderStage}setBuildStage(t){this.buildStage=t}getBuildStage(){return this.buildStage}buildCode(){console.warn("Abstract function.")}build(){const{object:t,material:e}=this;null!==e?XT.fromMaterial(e).build(this):this.addFlow("compute",t);for(const t of Xd){this.setBuildStage(t),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const e of Yd){this.setShaderStage(e);const s=this.flowNodes[e];for(const e of s)"generate"===t?this.flowNode(e):e.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(t,e){if("float"===e||"int"===e||"uint"===e)return new n_(t);if("vec2"===e||"ivec2"===e||"uvec2"===e)return new o_(t);if("vec3"===e||"ivec3"===e||"uvec3"===e)return new a_(t);if("vec4"===e||"ivec4"===e||"uvec4"===e)return new h_(t);if("color"===e)return new l_(t);if("mat3"===e)return new u_(t);if("mat4"===e)return new c_(t);throw new Error(`Uniform "${e}" not declared.`)}createNodeMaterial(t="NodeMaterial"){return JT(t)}format(t,e,s){if((e=this.getVectorType(e))===(s=this.getVectorType(s))||null===s||this.isReference(s))return t;const i=this.getTypeLength(e),r=this.getTypeLength(s);return i>4||r>4||0===r?t:i===r?`${this.getType(s)}( ${t} )`:i>r?this.format(`${t}.${"xyz".slice(0,r)}`,this.getTypeFromLength(r,this.getComponentType(e)),s):4===r&&i>1?`${this.getType(s)}( ${this.format(t,e,"vec3")}, 1.0 )`:2===i?`${this.getType(s)}( ${this.format(t,e,"vec2")}, 0.0 )`:(1===i&&r>1&&e!==this.getComponentType(s)&&(t=`${this.getType(this.getComponentType(s))}( ${t} )`),`${this.getType(s)}( ${t} )`)}getSignature(){return`// Three.js r${t} - Node System\n`}}class j_{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.startTime=null,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(t,e){let s=t.get(e);return void 0===s&&(s={renderMap:new WeakMap,frameMap:new WeakMap},t.set(e,s)),s}updateBeforeNode(t){const e=t.getUpdateBeforeType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.frameId&&!1!==t.updateBefore(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateBeforeMap,s);e.get(s)!==this.renderId&&!1!==t.updateBefore(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateBefore(this)}updateAfterNode(t){const e=t.getUpdateAfterType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.frameId&&!1!==t.updateAfter(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateAfterMap,s);e.get(s)!==this.renderId&&!1!==t.updateAfter(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.updateAfter(this)}updateNode(t){const e=t.getUpdateType(),s=t.updateReference(this);if(e===Hd.FRAME){const{frameMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.frameId&&!1!==t.update(this)&&e.set(s,this.frameId)}else if(e===Hd.RENDER){const{renderMap:e}=this._getMaps(this.updateMap,s);e.get(s)!==this.renderId&&!1!==t.update(this)&&e.set(s,this.renderId)}else e===Hd.OBJECT&&t.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class H_{constructor(t,e,s=null,i="",r=!1){this.type=t,this.name=e,this.count=s,this.qualifier=i,this.isConst=r}}H_.isNodeFunctionInput=!0;class q_ extends op{constructor(t){super(),this.types=t,this.isStructTypeNode=!0}getMemberTypes(){return this.types}}ap("StructTypeNode",q_);class $_ extends op{constructor(...t){super(),this.members=t,this.isOutputStructNode=!0}setup(t){super.setup(t);const e=this.members,s=[];for(let i=0;iAy(df(4,t.mul(cf(1,t))),e),Q_=(t,e)=>t.lessThan(.5)?Z_(t.mul(2),e).div(2):cf(1,Z_(df(cf(1,t),2),e).div(2)),K_=(t,e,s)=>Ay(pf(Ay(t,e),uf(Ay(t,e),Ay(cf(1,t),s))),1/e),tw=(t,e)=>Zf(Ff.mul(e.mul(t).sub(1))).div(Ff.mul(e.mul(t).sub(1)));vp("parabola",Z_),vp("gain",Q_),vp("pcurve",K_),vp("sinc",tw);const ew=Zp((([t])=>t.fract().sub(.5).abs())),sw=Zp((([t])=>cm(ew(t.z.add(ew(t.y.mul(1)))),ew(t.z.add(ew(t.x.mul(1)))),ew(t.y.add(ew(t.x.mul(1))))))),iw=Zp((([t,e,s])=>{const i=cm(t).toVar(),r=im(1.4).toVar(),n=im(0).toVar(),o=cm(i).toVar();return ov({start:im(0),end:im(3),type:"float",condition:"<="},(()=>{const t=cm(sw(o.mul(2))).toVar();i.addAssign(t.add(s.mul(im(.1).mul(e)))),o.mulAssign(1.8),r.mulAssign(1.5),i.mulAssign(1.2);const a=im(ew(i.z.add(ew(i.x.add(ew(i.y)))))).toVar();n.addAssign(a.div(r)),o.addAssign(.14)})),n}));let rw;ew.setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),sw.setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),iw.setLayout({name:"triNoise3D",type:"float",inputs:[{name:"p",type:"vec3"},{name:"spd",type:"float"},{name:"time",type:"float"}]});class nw extends Dv{constructor(t){rw=rw||Zy("discard"),super(t,rw)}}const ow=Yp(nw),aw=t=>ow(t).append(),hw=()=>Zy("return").append();vp("discard",aw),ap("DiscardNode",nw);class lw extends op{constructor(t=[],...e){super(),this.functionNodes=t,this.parametersNodes=e,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(t){const e=this.parametersNodes;let s=this._candidateFnCall;if(null===s){let i=null,r=-1;for(const s of this.functionNodes){const n=s.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const o=n.inputs;if(e.length===o.length){let n=0;for(let s=0;sr&&(i=s,r=n)}}this._candidateFnCall=s=i(...e)}return s}}const uw=Yp(lw),cw=t=>(...e)=>uw(t,...e);ap("FunctionOverloadingNode",lw);class dw extends lp{constructor(){super("vec2")}setup(){const t=cm(Lb.z,0,Lb.x.negate()).normalize(),e=Lb.cross(t);return am(t.dot(qx),e.dot(qx)).mul(.495).add(.5)}}const pw=Jp(dw);ap("MatcapUVNode",dw);class mw extends rf{constructor(t=mw.LOCAL,e=1,s=0){super(s),this.scope=t,this.scale=e,this.updateType=Hd.FRAME}update(t){const e=this.scope,s=this.scale;e===mw.LOCAL?this.value+=t.deltaTime*s:e===mw.DELTA?this.value=t.deltaTime*s:e===mw.FRAME?this.value=t.frameId:this.value=t.time*s}serialize(t){super.serialize(t),t.scope=this.scope,t.scale=this.scale}deserialize(t){super.deserialize(t),this.scope=t.scope,this.scale=t.scale}}mw.LOCAL="local",mw.GLOBAL="global",mw.DELTA="delta",mw.FRAME="frame";const gw=(t,e=0)=>qp(new mw(mw.LOCAL,t,e)),fw=(t,e=0)=>qp(new mw(mw.GLOBAL,t,e)),yw=(t,e=0)=>qp(new mw(mw.DELTA,t,e)),xw=Jp(mw,mw.FRAME).toUint();ap("TimerNode",mw);class bw extends op{constructor(t=bw.SINE,e=gw()){super(),this.method=t,this.timeNode=e}getNodeType(t){return this.timeNode.getNodeType(t)}setup(){const t=this.method,e=qp(this.timeNode);let s=null;return t===bw.SINE?s=e.add(.75).mul(2*Math.PI).sin().mul(.5).add(.5):t===bw.SQUARE?s=e.fract().round():t===bw.TRIANGLE?s=e.add(.5).fract().mul(2).sub(1).abs():t===bw.SAWTOOTH&&(s=e.fract()),s}serialize(t){super.serialize(t),t.method=this.method}deserialize(t){super.deserialize(t),this.method=t.method}}bw.SINE="sine",bw.SQUARE="square",bw.TRIANGLE="triangle",bw.SAWTOOTH="sawtooth";const vw=Yp(bw,bw.SINE),Tw=Yp(bw,bw.SQUARE),_w=Yp(bw,bw.TRIANGLE),ww=Yp(bw,bw.SAWTOOTH);ap("OscNode",bw);class Sw extends lp{constructor(t,e){super(),this.scope=t,this.node=e}getNodeType(t){return this.node.getNodeType(t)}setup(){const{scope:t,node:e}=this;let s=null;return t===Sw.DIRECTION_TO_COLOR?s=e.mul(.5).add(.5):t===Sw.COLOR_TO_DIRECTION&&(s=e.mul(2).sub(1)),s}}Sw.DIRECTION_TO_COLOR="directionToColor",Sw.COLOR_TO_DIRECTION="colorToDirection";const Mw=Yp(Sw,Sw.DIRECTION_TO_COLOR),Aw=Yp(Sw,Sw.COLOR_TO_DIRECTION);vp("directionToColor",Mw),vp("colorToDirection",Aw),ap("PackingNode",Sw);class Nw extends op{constructor(t,e,s,i=im(0),r=im(1)){super(),this.node=t,this.inLowNode=e,this.inHighNode=s,this.outLowNode=i,this.outHighNode=r,this.doClamp=!0}setup(){const{node:t,inLowNode:e,inHighNode:s,outLowNode:i,outHighNode:r,doClamp:n}=this;let o=t.sub(e).div(s.sub(e));return!0===n&&(o=o.clamp()),o.mul(r.sub(i)).add(i)}}const Rw=Yp(Nw,null,null,{doClamp:!1}),Cw=Yp(Nw);vp("remap",Rw),vp("remapClamp",Cw),ap("RemapNode",Nw);class Ew extends lp{constructor(t,e,s=am(.5)){super("vec2"),this.uvNode=t,this.rotationNode=e,this.centerNode=s}setup(){const{uvNode:t,rotationNode:e,centerNode:s}=this;return t.sub(s).rotate(e).add(s)}}const Bw=Yp(Ew);vp("rotateUV",Bw),ap("RotateUVNode",Ew);class Iw extends lp{constructor(t,e){super(),this.positionNode=t,this.rotationNode=e}getNodeType(t){return this.positionNode.getNodeType(t)}setup(t){const{rotationNode:e,positionNode:s}=this;if("vec2"===this.getNodeType(t)){const t=e.cos(),i=e.sin();return bm(t,i,i.negate(),t).mul(s)}{const t=e,i=Nm(gm(1,0,0,0),gm(0,Qf(t.x),Zf(t.x).negate(),0),gm(0,Zf(t.x),Qf(t.x),0),gm(0,0,0,1)),r=Nm(gm(Qf(t.y),0,Zf(t.y),0),gm(0,1,0,0),gm(Zf(t.y).negate(),0,Qf(t.y),0),gm(0,0,0,1)),n=Nm(gm(Qf(t.z),Zf(t.z).negate(),0,0),gm(Zf(t.z),Qf(t.z),0,0),gm(0,0,1,0),gm(0,0,0,1));return i.mul(r).mul(n).mul(gm(s,1)).xyz}}}const Pw=Yp(Iw);vp("rotate",Pw),ap("RotateNode",Iw);class Fw extends op{constructor(t,e=of(),s=im(0)){super("vec2"),this.countNode=t,this.uvNode=e,this.frameNode=s}setup(){const{frameNode:t,uvNode:e,countNode:s}=this,{width:i,height:r}=s,n=t.mod(i.mul(r)).floor(),o=n.mod(i),a=r.sub(n.add(1).div(i).ceil()),h=s.reciprocal(),l=am(o,a);return e.add(l).mul(h)}}const Uw=Yp(Fw);ap("SpriteSheetUVNode",Fw);class Ow extends up{constructor(t,e){super(t,e),this.isStorageArrayElementNode=!0}set storageBufferNode(t){this.node=t}get storageBufferNode(){return this.node}setup(t){return!1===t.isAvailable("storageBuffer")&&(this.node.instanceIndex||!0!==this.node.bufferObject||t.setupPBO(this.node)),super.setup(t)}generate(t,e){let s;const i=t.context.assign;if(!1===t.isAvailable("storageBuffer")){const{node:e}=this;s=e.instanceIndex||!0!==this.node.bufferObject||!0===i?e.build(t):t.generatePBO(this)}else s=super.generate(t);if(!0!==i){const i=this.getNodeType(t);s=t.format(s,i,e)}return s}}const zw=Yp(Ow);vp("storageElement",zw),ap("StorageArrayElementNode",Ow);class Lw extends op{constructor(t,e=null,s=null,i=im(1),r=Fb,n=Wx){super("vec4"),this.textureXNode=t,this.textureYNode=e,this.textureZNode=s,this.scaleNode=i,this.positionNode=r,this.normalNode=n}setup(){const{textureXNode:t,textureYNode:e,textureZNode:s,scaleNode:i,positionNode:r,normalNode:n}=this;let o=n.abs().normalize();o=o.div(o.dot(cm(1)));const a=r.yz.mul(i),h=r.zx.mul(i),l=r.xy.mul(i),u=t.value,c=null!==e?e.value:u,d=null!==s?s.value:u,p=ex(u,a).mul(o.x),m=ex(c,h).mul(o.y),g=ex(d,l).mul(o.z);return uf(p,m,g)}}const Vw=Yp(Lw),Dw=(...t)=>Vw(...t);vp("triplanarTexture",Dw),ap("TriplanarTexturesNode",Lw);const kw=new ta,Gw=new Ri,Ww=new Ri,jw=new Ri,Hw=new rr,qw=new Ri(0,0,-1),$w=new vi,Xw=new Ri,Yw=new Ri,Jw=new vi,Zw=new Zs,Qw=new Ti,Kw=am(wT.x.oneMinus(),wT.y);let tS=!1;class eS extends tx{constructor(t={}){super(Qw.texture,Kw);const{target:e=new Br,resolution:s=1,generateMipmaps:i=!1,bounces:r=!0}=t;this.target=e,this.resolution=s,this.generateMipmaps=i,this.bounces=r,this.updateBeforeType=r?Hd.RENDER:Hd.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new WeakMap}_updateResolution(t,e){const s=this.resolution;e.getDrawingBufferSize(Zw),t.setSize(Math.round(Zw.width*s),Math.round(Zw.height*s))}setup(t){return this._updateResolution(Qw,t.renderer),super.setup(t)}getTextureNode(){return this.textureNode}getVirtualCamera(t){let e=this.virtualCameras.get(t);return void 0===e&&(e=t.clone(),this.virtualCameras.set(t,e)),e}getRenderTarget(t){let e=this.renderTargets.get(t);return void 0===e&&(e=new Ti(0,0,{type:Pt}),!0===this.generateMipmaps&&(e.texture.minFilter=1008,e.texture.generateMipmaps=!0),this.renderTargets.set(t,e)),e}updateBefore(t){if(!1===this.bounces&&tS)return!1;tS=!0;const{scene:e,camera:s,renderer:i,material:r}=t,{target:n}=this,o=this.getVirtualCamera(s),a=this.getRenderTarget(o);if(i.getDrawingBufferSize(Zw),this._updateResolution(a,i),Ww.setFromMatrixPosition(n.matrixWorld),jw.setFromMatrixPosition(s.matrixWorld),Hw.extractRotation(n.matrixWorld),Gw.set(0,0,1),Gw.applyMatrix4(Hw),Xw.subVectors(Ww,jw),Xw.dot(Gw)>0)return;Xw.reflect(Gw).negate(),Xw.add(Ww),Hw.extractRotation(s.matrixWorld),qw.set(0,0,-1),qw.applyMatrix4(Hw),qw.add(jw),Yw.subVectors(Ww,qw),Yw.reflect(Gw).negate(),Yw.add(Ww),o.coordinateSystem=s.coordinateSystem,o.position.copy(Xw),o.up.set(0,1,0),o.up.applyMatrix4(Hw),o.up.reflect(Gw),o.lookAt(Yw),o.near=s.near,o.far=s.far,o.updateMatrixWorld(),o.projectionMatrix.copy(s.projectionMatrix),kw.setFromNormalAndCoplanarPoint(Gw,Ww),kw.applyMatrix4(o.matrixWorldInverse),$w.set(kw.normal.x,kw.normal.y,kw.normal.z,kw.constant);const h=o.projectionMatrix;Jw.x=(Math.sign($w.x)+h.elements[8])/h.elements[0],Jw.y=(Math.sign($w.y)+h.elements[9])/h.elements[5],Jw.z=-1,Jw.w=(1+h.elements[10])/h.elements[14],$w.multiplyScalar(1/$w.dot(Jw));h.elements[2]=$w.x,h.elements[6]=$w.y,h.elements[10]=$w.z-0,h.elements[14]=$w.w,this.value=a.texture,r.visible=!1;const l=i.getRenderTarget();i.setRenderTarget(a),i.render(e,o),i.setRenderTarget(l),r.visible=!0,tS=!1}}const sS=t=>qp(new eS(t)),iS=new Au(-1,1,1,-1,0,1);const rS=new class extends wn{constructor(t=!1){super();const e=!1===t?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new gn([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new gn(e,2))}};class nS extends kn{constructor(t=null){super(rS,t),this.camera=iS}renderAsync(t){return t.renderAsync(this,iS)}render(t){t.render(this,iS)}}const oS=new nS(new XT),aS=new Zs;class hS extends tx{constructor(t,e=null,s=null,i={type:Pt}){const r=new Ti(e,s,i);super(r.texture,of()),this.node=t,this.width=e,this.height=s,this.renderTarget=r,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this.updateMap=new WeakMap,this.updateBeforeType=Hd.RENDER}get autoSize(){return null===this.width}setSize(t,e){this.width=t,this.height=e,this.renderTarget.setSize(t,e),this.textureNeedsUpdate=!0}updateBefore({renderer:t}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoSize){const e=t.getSize(aS);this.setSize(e.width,e.height)}oS.material.fragmentNode=this.node;const e=t.getRenderTarget();t.setRenderTarget(this.renderTarget),oS.render(t),t.setRenderTarget(e)}clone(){const t=new tx(this.value,this.uvNode,this.levelNode);return t.sampler=this.sampler,t.referenceNode=this,t}}const lS=(t,...e)=>qp(new hS(qp(t),...e));vp("toTexture",((t,...e)=>t.isTextureNode?t:lS(t,...e))),ap("RTTNode",hS);class uS extends Dm{constructor(t=0){super(null,"vec4"),this.isVertexColorNode=!0,this.index=t}getAttributeName(){const t=this.index;return"color"+(t>0?t:"")}generate(t){const e=this.getAttributeName(t);let s;return s=!0===t.hasGeometryAttribute(e)?super.generate(t):t.generateConst(this.nodeType,new vi(1,1,1,1)),s}serialize(t){super.serialize(t),t.index=this.index}deserialize(t){super.deserialize(t),this.index=t.index}}const cS=(...t)=>qp(new uS(...t));ap("VertexColorNode",uS);class dS extends ux{constructor(t,e,s=null){super(t,e,s),this.renderer=s}updateReference(t){return this.reference=null!==this.renderer?this.renderer:t.renderer,this.reference}}const pS=(t,e,s)=>qp(new dS(t,e,s));ap("RendererReferenceNode",dS);const mS=1/6,gS=t=>df(mS,df(t,df(t,t.negate().add(3)).sub(3)).add(1)),fS=t=>df(mS,df(t,df(t,df(3,t).sub(6))).add(4)),yS=t=>df(mS,df(t,df(t,df(-3,t).add(3)).add(3)).add(1)),xS=t=>df(mS,Ay(t,3)),bS=t=>gS(t).add(fS(t)),vS=t=>yS(t).add(xS(t)),TS=t=>uf(-1,fS(t).div(gS(t).add(fS(t)))),_S=t=>uf(1,xS(t).div(yS(t).add(xS(t)))),wS=(t,e,s)=>{const i=t.uvNode,r=df(i,e.zw).add(.5),n=$f(r),o=Jf(r),a=bS(o.x),h=vS(o.x),l=TS(o.x),u=_S(o.x),c=TS(o.y),d=_S(o.y),p=am(n.x.add(l),n.y.add(c)).sub(.5).mul(e.xy),m=am(n.x.add(u),n.y.add(c)).sub(.5).mul(e.xy),g=am(n.x.add(l),n.y.add(d)).sub(.5).mul(e.xy),f=am(n.x.add(u),n.y.add(d)).sub(.5).mul(e.xy),y=bS(o.y).mul(uf(a.mul(t.uv(p).level(s)),h.mul(t.uv(m).level(s)))),x=vS(o.y).mul(uf(a.mul(t.uv(g).level(s)),h.mul(t.uv(f).level(s))));return y.add(x)};class SS extends lp{constructor(t,e=im(3)){super("vec4"),this.textureNode=t,this.blurNode=e}setup(){return((t,e)=>{const s=am(t.size(rm(e))),i=am(t.size(rm(e.add(1)))),r=pf(1,s),n=pf(1,i),o=wS(t,gm(r,s),$f(e)),a=wS(t,gm(n,i),Xf(e));return Jf(e).mix(o,a)})(this.textureNode,this.blurNode)}}const MS=Yp(SS);vp("bicubic",MS),ap("TextureBicubicNode",SS);class AS extends op{constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const NS=Jp(AS);ap("PointUVNode",AS);class RS extends op{constructor(t=RS.BACKGROUND_BLURRINESS,e=null){super(),this.scope=t,this.scene=e}setup(t){const e=this.scope,s=null!==this.scene?this.scene:t.scene;let i;return e===RS.BACKGROUND_BLURRINESS?i=cx("backgroundBlurriness","float",s):e===RS.BACKGROUND_INTENSITY?i=cx("backgroundIntensity","float",s):console.error("THREE.SceneNode: Unknown scope:",e),i}}RS.BACKGROUND_BLURRINESS="backgroundBlurriness",RS.BACKGROUND_INTENSITY="backgroundIntensity";const CS=Jp(RS,RS.BACKGROUND_BLURRINESS),ES=Jp(RS,RS.BACKGROUND_INTENSITY);ap("SceneNode",RS);const BS="point-list",IS="line-list",PS="line-strip",FS="triangle-list",US="triangle-strip",OS="never",zS="less",LS="equal",VS="less-equal",DS="greater",kS="not-equal",GS="greater-equal",WS="always",jS="store",HS="load",qS="clear",$S="ccw",XS="none",YS="front",JS="back",ZS="uint16",QS="uint32",KS={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10uFloat:"rgb10a2unorm",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Stencil8:"stencil8",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},tM="clamp-to-edge",eM="repeat",sM="mirror-repeat",iM="linear",rM="nearest",nM="zero",oM="one",aM="src",hM="one-minus-src",lM="src-alpha",uM="one-minus-src-alpha",cM="dst",dM="one-minus-dst",pM="dst-alpha",mM="one-minus-dst-alpha",gM="src-alpha-saturated",fM="constant",yM="one-minus-constant",xM="add",bM="subtract",vM="reverse-subtract",TM="min",_M="max",wM=0,SM=15,MM="keep",AM="zero",NM="replace",RM="invert",CM="increment-clamp",EM="decrement-clamp",BM="increment-wrap",IM="decrement-wrap",PM="storage",FM="read-only-storage",UM="write-only",OM="read-only",zM="unfilterable-float",LM="depth",VM="sint",DM="uint",kM="2d",GM="3d",WM="2d",jM="2d-array",HM="cube",qM="3d",$M="all",XM="vertex",YM="instance",JM={DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable"};class ZM extends rx{constructor(t,e,s=0){super(t,e,s),this.isStorageBufferNode=!0,this.access=PM,this.bufferObject=!1,this.bufferCount=s,this._attribute=null,this._varying=null,this.global=!0,!0!==t.isStorageBufferAttribute&&!0!==t.isStorageInstancedBufferAttribute&&(t.isInstancedBufferAttribute?t.isStorageInstancedBufferAttribute=!0:t.isStorageBufferAttribute=!0)}getHash(t){if(0===this.bufferCount){let e=t.globalCache.getData(this.value);return void 0===e&&(e={node:this},t.globalCache.setData(this.value,e)),e.node.uuid}return this.uuid}getInputType(){return"storageBuffer"}element(t){return zw(this,t)}setBufferObject(t){return this.bufferObject=t,this}setAccess(t){return this.access=t,this}toReadOnly(){return this.setAccess(FM)}generate(t){if(t.isAvailable("storageBuffer"))return super.generate(t);const e=this.getNodeType(t);null===this._attribute&&(this._attribute=Gb(this.value),this._varying=Vm(this._attribute));const s=this._varying.build(t,e);return t.registerTransform(s,this._attribute),s}}const QM=(t,e,s)=>qp(new ZM(t,e,s)),KM=(t,e,s)=>qp(new ZM(t,e,s).setBufferObject(!0));ap("StorageBufferNode",ZM);class tA extends tx{constructor(t,e,s=null){super(t,e),this.storeNode=s,this.isStorageTextureNode=!0,this.access=UM}getInputType(){return"storageTexture"}setup(t){super.setup(t);t.getNodeProperties(this).storeNode=this.storeNode}setAccess(t){return this.access=t,this}generate(t,e){let s;return s=null!==this.storeNode?this.generateStore(t):super.generate(t,e),s}toReadOnly(){return this.setAccess(OM)}toWriteOnly(){return this.setAccess(UM)}generateStore(t){const e=t.getNodeProperties(this),{uvNode:s,storeNode:i}=e,r=super.generate(t,"property"),n=s.build(t,"uvec2"),o=i.build(t,"vec4"),a=t.generateTextureStore(t,r,n,o);t.addLineFlowCode(a)}}const eA=Yp(tA),sA=(t,e,s)=>{const i=eA(t,e,s);return null!==s&&i.append(),i};ap("StorageTextureNode",tA);const iA=Zp((({texture:t,uv:e})=>{const s=1e-4,i=cm().temp();return tm(e.x.lessThan(s),(()=>{i.assign(cm(1,0,0))})).elseif(e.y.lessThan(s),(()=>{i.assign(cm(0,1,0))})).elseif(e.z.lessThan(s),(()=>{i.assign(cm(0,0,1))})).elseif(e.x.greaterThan(.9999),(()=>{i.assign(cm(-1,0,0))})).elseif(e.y.greaterThan(.9999),(()=>{i.assign(cm(0,-1,0))})).elseif(e.z.greaterThan(.9999),(()=>{i.assign(cm(0,0,-1))})).else((()=>{const s=.01,r=t.uv(e.add(cm(-.01,0,0))).r.sub(t.uv(e.add(cm(s,0,0))).r),n=t.uv(e.add(cm(0,-.01,0))).r.sub(t.uv(e.add(cm(0,s,0))).r),o=t.uv(e.add(cm(0,0,-.01))).r.sub(t.uv(e.add(cm(0,0,s))).r);i.assign(cm(r,n,o))})),i.normalize()}));class rA extends tx{constructor(t,e=null,s=null){super(t,e,s),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return cm(.5,.5,.5)}setUpdateMatrix(){}setupUV(t,e){return e}generateUV(t,e){return e.build(t,"vec3")}normal(t){return iA({texture:this,uv:t})}}const nA=Yp(rA);ap("Texture3DNode",rA);class oA extends ux{constructor(t,e,s=null){super(t,e,s),this.userData=s}update(t){this.reference=null!==this.userData?this.userData:t.object.userData,super.update(t)}}const aA=(t,e,s)=>qp(new oA(t,e,s));ap("UserDataNode",oA);const hA=Zp((({base:t,blend:e})=>{const s=s=>e[s].lessThan(If).cond(e[s],t[s].oneMinus().div(e[s]).oneMinus().max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"burnColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),lA=Zp((({base:t,blend:e})=>{const s=s=>e[s].equal(1).cond(e[s],t[s].div(e[s].oneMinus()).max(0));return cm(s("x"),s("y"),s("z"))})).setLayout({name:"dodgeColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),uA=Zp((({base:t,blend:e})=>{const s=s=>t[s].oneMinus().mul(e[s].oneMinus()).oneMinus();return cm(s("x"),s("y"),s("z"))})).setLayout({name:"screenColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),cA=Zp((({base:t,blend:e})=>{const s=s=>t[s].lessThan(.5).cond(t[s].mul(e[s],2),t[s].oneMinus().mul(e[s].oneMinus()).oneMinus());return cm(s("x"),s("y"),s("z"))})).setLayout({name:"overlayColor",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]});class dA extends lp{constructor(t,e,s){super(),this.blendMode=t,this.baseNode=e,this.blendNode=s}setup(){const{blendMode:t,baseNode:e,blendNode:s}=this,i={base:e,blend:s};let r=null;return t===dA.BURN?r=hA(i):t===dA.DODGE?r=lA(i):t===dA.SCREEN?r=uA(i):t===dA.OVERLAY&&(r=cA(i)),r}}dA.BURN="burn",dA.DODGE="dodge",dA.SCREEN="screen",dA.OVERLAY="overlay";const pA=Yp(dA,dA.BURN),mA=Yp(dA,dA.DODGE),gA=Yp(dA,dA.OVERLAY),fA=Yp(dA,dA.SCREEN);vp("burn",pA),vp("dodge",mA),vp("overlay",gA),vp("screen",fA),ap("BlendModeNode",dA);const yA=Zp((({textureNode:t,bumpScale:e})=>{const s=e=>t.cache().context({getUV:t=>e(t.uvNode||of()),forceUVContext:!0}),i=im(s((t=>t)));return am(im(s((t=>t.add(t.dFdx())))).sub(i),im(s((t=>t.add(t.dFdy())))).sub(i)).mul(e)})),xA=Zp((t=>{const{surf_pos:e,surf_norm:s,dHdxy:i}=t,r=e.dFdx().normalize(),n=s,o=e.dFdy().normalize().cross(n),a=n.cross(r),h=r.dot(o).mul(qT),l=h.sign().mul(i.x.mul(o).add(i.y.mul(a)));return h.abs().mul(s).sub(l).normalize()}));class bA extends lp{constructor(t,e=null){super("vec3"),this.textureNode=t,this.scaleNode=e}setup(){const t=null!==this.scaleNode?this.scaleNode:1,e=yA({textureNode:this.textureNode,bumpScale:t});return xA({surf_pos:zb,surf_norm:jx,dHdxy:e})}}const vA=Yp(bA);vp("bumpMap",vA),ap("BumpMapNode",bA);const TA=Zp((({color:t,adjustment:e})=>e.mix(CA(t.rgb),t.rgb))),_A=Zp((({color:t,adjustment:e})=>{const s=uf(t.r,t.g,t.b).div(3),i=t.r.max(t.g.max(t.b)),r=i.sub(s).mul(e).mul(-3);return Py(t.rgb,i,r)})),wA=Zp((({color:t,adjustment:e})=>{const s=cm(.57735,.57735,.57735),i=e.cos();return cm(t.rgb.mul(i).add(s.cross(t.rgb).mul(e.sin()).add(s.mul(Sy(s,t.rgb).mul(i.oneMinus())))))}));class SA extends lp{constructor(t,e,s=im(1)){super("vec3"),this.method=t,this.colorNode=e,this.adjustmentNode=s}setup(){const{method:t,colorNode:e,adjustmentNode:s}=this,i={color:e,adjustment:s};let r=null;return t===SA.SATURATION?r=TA(i):t===SA.VIBRANCE?r=_A(i):t===SA.HUE?r=wA(i):console.error(`${this.type}: Method "${this.method}" not supported!`),r}}SA.SATURATION="saturation",SA.VIBRANCE="vibrance",SA.HUE="hue";const MA=Yp(SA,SA.SATURATION),AA=Yp(SA,SA.VIBRANCE),NA=Yp(SA,SA.HUE),RA=cm(.2125,.7154,.0721),CA=(t,e=RA)=>Sy(t,e),EA=(t,e)=>Py(cm(0),t,CA(t).sub(e).max(0));vp("saturation",MA),vp("vibrance",AA),vp("hue",NA),vp("threshold",EA),ap("ColorAdjustmentNode",SA);const BA=Zp((t=>{const{eye_pos:e,surf_norm:s,mapN:i,uv:r}=t,n=e.dFdx(),o=e.dFdy(),a=r.dFdx(),h=r.dFdy(),l=s,u=o.cross(l),c=l.cross(n),d=u.mul(a.x).add(c.mul(h.x)),p=u.mul(a.y).add(c.mul(h.y)),m=d.dot(d).max(p.dot(p)),g=qT.mul(m.inverseSqrt());return uf(d.mul(i.x,g),p.mul(i.y,g),l.mul(i.z)).normalize()}));class IA extends lp{constructor(t,e=null){super("vec3"),this.node=t,this.scaleNode=e,this.normalMapType=0}setup(t){const{normalMapType:e,scaleNode:s}=this;let i=this.node.mul(2).sub(1);null!==s&&(i=cm(i.xy.mul(s),i.z));let r=null;if(1===e)r=Ox.mul(i).normalize();else if(0===e){r=!0===t.hasGeometryAttribute("tangent")?Ov.mul(i).normalize():BA({eye_pos:zb,surf_norm:jx,mapN:i,uv:of()})}return r}}const PA=Yp(IA);vp("normalMap",PA),ap("NormalMapNode",IA);class FA extends lp{constructor(t,e){super(),this.sourceNode=t,this.stepsNode=e}setup(){const{sourceNode:t,stepsNode:e}=this;return t.mul(e).floor().div(e)}}const UA=Yp(FA);vp("posterize",UA),ap("PosterizeNode",FA);const OA=Zp((({color:t,exposure:e})=>t.mul(e).clamp())),zA=Zp((({color:t,exposure:e})=>(t=t.mul(e)).div(t.add(1)).clamp())),LA=Zp((({color:t,exposure:e})=>{const s=(t=(t=t.mul(e)).sub(.004).max(0)).mul(t.mul(6.2).add(.5)),i=t.mul(t.mul(6.2).add(1.7)).add(.06);return s.div(i).pow(2.2)})),VA=Zp((({color:t})=>{const e=t.mul(t.add(.0245786)).sub(90537e-9),s=t.mul(t.add(.432951).mul(.983729)).add(.238081);return e.div(s)})),DA=Zp((({color:t,exposure:e})=>{const s=wm(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),i=wm(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return t=t.mul(e).div(.6),t=s.mul(t),t=VA({color:t}),(t=i.mul(t)).clamp()})),kA=wm(cm(1.6605,-.1246,-.0182),cm(-.5876,1.1329,-.1006),cm(-.0728,-.0083,1.1187)),GA=wm(cm(.6274,.0691,.0164),cm(.3293,.9195,.088),cm(.0433,.0113,.8956)),WA=Zp((([t])=>{const e=cm(t).toVar(),s=cm(e.mul(e)).toVar(),i=cm(s.mul(s)).toVar();return im(15.5).mul(i.mul(s)).sub(df(40.14,i.mul(e))).add(df(31.96,i).sub(df(6.868,s.mul(e))).add(df(.4298,s).add(df(.1191,e).sub(.00232))))})),jA=Zp((({color:t,exposure:e})=>{const s=cm(t).toVar(),i=wm(cm(.856627153315983,.137318972929847,.11189821299995),cm(.0951212405381588,.761241990602591,.0767994186031903),cm(.0482516061458583,.101439036467562,.811302368396859)),r=wm(cm(1.1271005818144368,-.1413297634984383,-.14132976349843826),cm(-.11060664309660323,1.157823702216272,-.11060664309660294),cm(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=im(-12.47393),o=im(4.026069);return s.mulAssign(e),s.assign(GA.mul(s)),s.assign(i.mul(s)),s.assign(xy(s,1e-10)),s.assign(jf(s)),s.assign(s.sub(n).div(o.sub(n))),s.assign(Fy(s,0,1)),s.assign(WA(s)),s.assign(r.mul(s)),s.assign(Ay(xy(cm(0),s),cm(2.2))),s.assign(kA.mul(s)),s.assign(Fy(s,0,1)),s})),HA=Zp((({color:t,exposure:e})=>{const s=im(.76),i=im(.15);t=t.mul(e);const r=yy(t.r,yy(t.g,t.b)),n=kv(r.lessThan(.08),r.sub(df(6.25,r.mul(r))),.04);t.subAssign(n);const o=xy(t.r,xy(t.g,t.b));tm(o.lessThan(s),(()=>t));const a=cf(1,s),h=cf(1,a.mul(a).div(o.add(a.sub(s))));t.mulAssign(h.div(o));const l=cf(1,pf(1,i.mul(o.sub(h)).add(1)));return Py(t,cm(h),l)})).setLayout({name:"NeutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),qA={1:OA,2:zA,3:LA,4:DA,6:jA,7:HA};class $A extends lp{constructor(t=0,e=YA,s=null){super("vec3"),this.toneMapping=t,this.exposureNode=e,this.colorNode=s}getCacheKey(){let t=super.getCacheKey();return t="{toneMapping:"+this.toneMapping+",nodes:"+t+"}",t}setup(t){const e=this.colorNode||t.context.color,s=this.toneMapping;if(0===s)return e;const i={exposure:this.exposureNode,color:e},r=qA[s];let n=null;return r?n=r(i):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",s),n=e),n}}const XA=(t,e,s)=>qp(new $A(t,qp(e),qp(s))),YA=pS("toneMappingExposure","float");vp("toneMapping",((t,e,s)=>XA(e,s,t))),ap("ToneMappingNode",$A);let JA=null;class ZA extends RT{constructor(t=wT,e=null){null===JA&&(JA=new qa),super(t,e,JA)}updateReference(){return this}}const QA=Yp(ZA);vp("viewportSharedTexture",QA),ap("ViewportSharedTextureNode",ZA);const KA=new Zs;class tN extends tx{constructor(t,e){super(e),this.passNode=t,this.setUpdateMatrix(!1)}setup(t){return this.passNode.build(t),super.setup(t)}clone(){return new this.constructor(this.passNode,this.value)}}class eN extends lp{constructor(t,e,s){super("vec4"),this.scope=t,this.scene=e,this.camera=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Za;i.isRenderTargetTexture=!0,i.name="PostProcessingDepth";const r=new Ti(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Pt});r.texture.name="PostProcessing",r.depthTexture=i,this.renderTarget=r,this.updateBeforeType=Hd.FRAME,this._textureNode=qp(new tN(this,r.texture)),this._depthTextureNode=qp(new tN(this,i)),this._linearDepthNode=null,this._viewZNode=null,this._cameraNear=nf(0),this._cameraFar=nf(0),this.isPassNode=!0}isGlobal(){return!0}getTextureNode(){return this._textureNode}getTextureDepthNode(){return this._depthTextureNode}getViewZNode(){if(null===this._viewZNode){const t=this._cameraNear,e=this._cameraFar;this._viewZNode=LT(this._depthTextureNode,t,e)}return this._viewZNode}getLinearDepthNode(){if(null===this._linearDepthNode){const t=this._cameraNear,e=this._cameraFar;this._linearDepthNode=UT(this.getViewZNode(),t,e)}return this._linearDepthNode}setup(){return this.scope===eN.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(t){const{renderer:e}=t,{scene:s,camera:i}=this;this._pixelRatio=e.getPixelRatio();const r=e.getSize(KA);this.setSize(r.width,r.height);const n=e.toneMapping,o=e.toneMappingNode,a=e.getRenderTarget();this._cameraNear.value=i.near,this._cameraFar.value=i.far,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this.renderTarget),e.render(s,i),e.toneMapping=n,e.toneMappingNode=o,e.setRenderTarget(a)}setSize(t,e){this._width=t,this._height=e;const s=this._width*this._pixelRatio,i=this._height*this._pixelRatio;this.renderTarget.setSize(s,i)}setPixelRatio(t){this._pixelRatio=t,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}eN.COLOR="color",eN.DEPTH="depth";const sN=(t,e)=>qp(new eN(eN.COLOR,t,e)),iN=(t,e)=>qp(new tN(t,e)),rN=(t,e)=>qp(new eN(eN.DEPTH,t,e));ap("PassNode",eN);const nN=new nS,oN=new nS;class aN extends lp{constructor(t,e=null,s=2){super("vec4"),this.textureNode=t,this.directionNode=e,this.sigma=s,this._invSize=nf(new Zs),this._passDirection=nf(new Zs),this._horizontalRT=new Ti,this._horizontalRT.texture.name="GaussianBlurNode.horizontal",this._verticalRT=new Ti,this._verticalRT.texture.name="GaussianBlurNode.vertical",this._textureNode=iN(this,this._verticalRT.texture),this.updateBeforeType=Hd.RENDER,this.resolution=new Zs(1,1)}setSize(t,e){t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._invSize.value.set(1/t,1/e),this._horizontalRT.setSize(t,e),this._verticalRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value,r=e.getRenderTarget(),n=s.value;nN.material=this._material,oN.material=this._material,this.setSize(i.image.width,i.image.height);const o=i.type;this._horizontalRT.texture.type=o,this._verticalRT.texture.type=o,e.setRenderTarget(this._horizontalRT),this._passDirection.value.set(1,0),nN.render(e),s.value=this._horizontalRT.texture,e.setRenderTarget(this._verticalRT),this._passDirection.value.set(0,1),oN.render(e),e.setRenderTarget(r),s.value=n}getTextureNode(){return this._textureNode}setup(t){const e=this.textureNode;if(!0!==e.isTextureNode)return console.error("GaussianBlurNode requires a TextureNode."),gm();const s=e.uvNode||of(),i=am(this.directionNode||1),r=t=>e.uv(t),n=Zp((()=>{const t=3+2*this.sigma,e=this._getCoefficients(t),n=this._invSize,o=i.mul(this._passDirection),a=im(e[0]).toVar(),h=gm(r(s).mul(a)).toVar();for(let i=1;iqp(new aN(qp(t).toTexture(),e,s));vp("gaussianBlur",hN);const lN=new Zs,uN=new nS;class cN extends lp{constructor(t,e=.96){super(t),this.textureNode=t,this.textureNodeOld=ex(),this.damp=nf(e),this._compRT=new Ti,this._compRT.texture.name="AfterImageNode.comp",this._oldRT=new Ti,this._oldRT.texture.name="AfterImageNode.old",this._textureNode=iN(this,this._compRT.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._compRT.setSize(t,e),this._oldRT.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value.type;this._compRT.texture.type=i,this._oldRT.texture.type=i,e.getDrawingBufferSize(lN),this.setSize(lN.x,lN.y);const r=e.toneMapping,n=e.toneMappingNode,o=e.getRenderTarget(),a=s.value;this.textureNodeOld.value=this._oldRT.texture,e.toneMapping=0,e.toneMappingNode=null,e.setRenderTarget(this._compRT),uN.render(e);const h=this._oldRT;this._oldRT=this._compRT,this._compRT=h,e.toneMapping=r,e.toneMappingNode=n,e.setRenderTarget(o),s.value=a}setup(t){const e=this.textureNode,s=this.textureNodeOld,i=e.uvNode||of();s.uvNode=i;const r=Zp((([t,e])=>{const s=im(e).toVar(),i=gm(t).toVar();return xy(ry(i.sub(s)),0)})),n=Zp((()=>{const t=gm(s),n=gm((t=>e.uv(t))(i));return t.mulAssign(this.damp.mul(r(t,.1))),xy(n,t)})),o=this._materialComposed||(this._materialComposed=t.createNodeMaterial());o.fragmentNode=n(),uN.material=o;return t.getNodeProperties(this).textureNode=e,this._textureNode}}const dN=(t,e)=>qp(new cN(qp(t).toTexture(),e));vp("afterImage",dN);const pN=new nS;class mN extends lp{constructor(t,e,s,i){super("vec4"),this.textureNode=t,this.tresholdNode=e,this.scaleNode=s,this.colorNode=cm(.1,0,1),this.samples=i,this.resolution=new Zs(1,1),this._renderTarget=new Ti,this._renderTarget.texture.name="anamorphic",this._invSize=nf(new Zs),this._textureNode=iN(this,this._renderTarget.texture),this.updateBeforeType=Hd.RENDER}getTextureNode(){return this._textureNode}setSize(t,e){this._invSize.value.set(1/t,1/e),t=Math.max(Math.round(t*this.resolution.x),1),e=Math.max(Math.round(e*this.resolution.y),1),this._renderTarget.setSize(t,e)}updateBefore(t){const{renderer:e}=t,s=this.textureNode,i=s.value;this._renderTarget.texture.type=i.type;const r=e.getRenderTarget(),n=s.value;pN.material=this._material,this.setSize(i.image.width,i.image.height),e.setRenderTarget(this._renderTarget),pN.render(e),e.setRenderTarget(r),s.value=n}setup(t){const e=this.textureNode,s=e.uvNode||of(),i=Zp((()=>{const t=this.samples,i=Math.floor(t/2),r=cm(0).toVar();return ov({start:-i,end:i},(({i:t})=>{const n=im(t).abs().div(i).oneMinus(),o=(t=>e.uv(t))(am(s.x.add(this._invSize.x.mul(t).mul(this.scaleNode)),s.y)),a=EA(o,this.tresholdNode).mul(n);r.addAssign(a)})),r.mul(this.colorNode)}));(this._material||(this._material=t.createNodeMaterial())).fragmentNode=i();return t.getNodeProperties(this).textureNode=e,this._textureNode}}const gN=(t,e=.9,s=3,i=32)=>qp(new mN(qp(t).toTexture(),qp(e),qp(s),i));vp("anamorphic",gN);class fN extends lp{constructor(t){super(),this.textureNode=t,this.updateBeforeType=Hd.RENDER,this._invSize=nf(new Zs)}updateBefore(){const t=this.textureNode.value;this._invSize.value.set(1/t.image.width,1/t.image.height)}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=e=>t.uv(e);return Zp((()=>{const t=this._invSize,i=wm(-1,-2,-1,0,0,0,1,2,1),r=wm(-1,0,1,-2,0,2,-1,0,1),n=CA(s(e.add(t.mul(am(-1,-1)))).xyz),o=CA(s(e.add(t.mul(am(-1,0)))).xyz),a=CA(s(e.add(t.mul(am(-1,1)))).xyz),h=CA(s(e.add(t.mul(am(0,-1)))).xyz),l=CA(s(e.add(t.mul(am(0,0)))).xyz),u=CA(s(e.add(t.mul(am(0,1)))).xyz),c=CA(s(e.add(t.mul(am(1,-1)))).xyz),d=CA(s(e.add(t.mul(am(1,0)))).xyz),p=CA(s(e.add(t.mul(am(1,1)))).xyz),m=uf(i[0][0].mul(n),i[1][0].mul(h),i[2][0].mul(c),i[0][1].mul(o),i[1][1].mul(l),i[2][1].mul(d),i[0][2].mul(a),i[1][2].mul(u),i[2][2].mul(p)),g=uf(r[0][0].mul(n),r[1][0].mul(h),r[2][0].mul(c),r[0][1].mul(o),r[1][1].mul(l),r[2][1].mul(d),r[0][2].mul(a),r[1][2].mul(u),r[2][2].mul(p)),f=m.mul(m).add(g.mul(g)).sqrt();return gm(cm(f),1)}))()}}const yN=t=>qp(new fN(qp(t).toTexture()));vp("sobel",yN);class xN extends lp{constructor(t,e,s,i,r){super(),this.textureNode=t,this.viewZNode=e,this.focusNode=s,this.apertureNode=i,this.maxblurNode=r,this._aspect=nf(0),this.updateBeforeType=Hd.RENDER}updateBefore(){const t=this.textureNode.value;this._aspect.value=t.image.width/t.image.height}setup(){const t=this.textureNode,e=t.uvNode||of(),s=e=>t.uv(e);return Zp((()=>{const t=am(1,this._aspect),i=this.focusNode.add(this.viewZNode),r=am(Fy(i.mul(this.apertureNode),this.maxblurNode.negate(),this.maxblurNode)),n=r.mul(.9),o=r.mul(.7),a=r.mul(.4);let h=gm(0);return h=h.add(s(e)),h=h.add(s(e.add(am(0,.4).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(r)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(r)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(r)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(r)))),h=h.add(s(e.add(am(.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(-.15,.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.37,.15).mul(t).mul(n)))),h=h.add(s(e.add(am(-.37,-.15).mul(t).mul(n)))),h=h.add(s(e.add(am(.15,-.37).mul(t).mul(n)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(o)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(o)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(o)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(o)))),h=h.add(s(e.add(am(.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,-.4).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,.29).mul(t).mul(a)))),h=h.add(s(e.add(am(-.4,0).mul(t).mul(a)))),h=h.add(s(e.add(am(-.29,-.29).mul(t).mul(a)))),h=h.add(s(e.add(am(0,.4).mul(t).mul(a)))),h=h.div(41),h.a=1,gm(h)}))()}}const bN=(t,e,s=1,i=.025,r=1)=>qp(new xN(qp(t).toTexture(),qp(e),qp(s),qp(i),qp(r)));vp("dof",bN);class vN extends lp{constructor(t,e=new Zs(.5,.5),s=1.57,i=1){super("vec4"),this.inputNode=t,this.center=nf(e),this.angle=nf(s),this.scale=nf(i),this._size=nf(new Zs),this.updateBeforeType=Hd.RENDER}updateBefore(){const t=this.inputNode.value;this._size.value.set(t.image.width,t.image.height)}setup(){const t=this.inputNode,e=Zp((()=>{const t=Zf(this.angle),e=Qf(this.angle),s=of().mul(this._size).sub(this.center),i=am(e.mul(s.x).sub(t.mul(s.y)),t.mul(s.x).add(e.mul(s.y))).mul(this.scale);return Zf(i.x).mul(Zf(i.y)).mul(4)})),s=Zp((()=>{const s=t,i=uf(s.r,s.g,s.b).div(3);return gm(cm(i.mul(10).sub(5).add(e())),s.a)}));return s()}}const TN=(t,e,s,i)=>qp(new vN(qp(t),e,s,i));vp("dotScreen",TN);class _N extends lp{constructor(t,e=.005,s=0){super("vec4"),this.textureNode=t,this.amount=nf(e),this.angle=nf(s)}setup(){const{textureNode:t}=this,e=t.uvNode||of(),s=e=>t.uv(e);return Zp((()=>{const t=am(Qf(this.angle),Zf(this.angle)).mul(this.amount),i=s(e.add(t)),r=s(e),n=s(e.sub(t));return gm(i.r,r.g,n.b,r.a)}))()}}const wN=(t,e,s)=>qp(new _N(qp(t).toTexture(),e,s));vp("rgbShift",wN);class SN extends lp{constructor(t,e=null,s=null){super(),this.inputNode=t,this.intensityNode=e,this.uvNode=s}setup(){const t=this.uvNode||of(),e=Zp((()=>{const e=this.inputNode.rgb,s=Vy(Jf(t.add(gw())));let i=e.add(e.mul(Fy(s.add(.1),0,1)));return null!==this.intensityNode&&(i=Py(e,i,this.intensityNode)),gm(i,this.inputNode.a)}));return e()}}const MN=Yp(SN);vp("film",MN);class AN extends lp{constructor(t,e,s,i){super(),this.inputNode=t,this.lutNode=e,this.size=nf(s),this.intensityNode=i}setup(){const{inputNode:t,lutNode:e}=this,s=Zp((()=>{const s=t,i=im(1).div(this.size),r=im(.5).div(this.size),n=cm(r).add(s.rgb.mul(im(1).sub(i))),o=gm((t=>e.uv(t))(n).rgb,s.a);return gm(Py(s,o,this.intensityNode))}));return s()}}const NN=(t,e,s,i)=>qp(new AN(qp(t),qp(e),s,qp(i)));vp("lut3D",NN);class RN extends lp{constructor(t=null,e={}){super(),this.functionNode=t,this.parameters=e}setParameters(t){return this.parameters=t,this}getParameters(){return this.parameters}getNodeType(t){return this.functionNode.getNodeType(t)}generate(t){const e=[],s=this.functionNode,i=s.getInputs(t),r=this.parameters;if(Array.isArray(r))for(let s=0;s(e=e.length>1||e[0]&&!0===e[0].isNode?Xp(e):$p(e[0]),qp(new RN(qp(t),e)));vp("call",CN),ap("FunctionCallNode",RN);class EN extends op{constructor(t=null){super(),this._value=t,this._cache=null,this.inputType=null,this.outpuType=null,this.events=new Vs,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(t){this._value!==t&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=t,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const t=this.value;if(t&&null===this._cache&&"URL"===this.inputType&&t.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([t.value]));else if(t&&null!==t.value&&void 0!==t.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof t.value||"Number"===this.inputType&&"number"==typeof t.value||"Vector2"===this.inputType&&t.value.isVector2||"Vector3"===this.inputType&&t.value.isVector3||"Vector4"===this.inputType&&t.value.isVector4||"Color"===this.inputType&&t.value.isColor||"Matrix3"===this.inputType&&t.value.isMatrix3||"Matrix4"===this.inputType&&t.value.isMatrix4))return t.value;return this._cache||t}getNodeType(t){return this.value&&this.value.isNode?this.value.getNodeType(t):"float"}setup(){return this.value&&this.value.isNode?this.value:im()}serialize(t){super.serialize(t),null!==this.value?"ArrayBuffer"===this.inputType?t.value=ep(this.value):t.value=this.value?this.value.toJSON(t.meta).uuid:null:t.value=null,t.inputType=this.inputType,t.outputType=this.outputType}deserialize(t){super.deserialize(t);let e=null;null!==t.value&&(e="ArrayBuffer"===t.inputType?sp(t.value):"Texture"===t.inputType?t.meta.textures[t.value]:t.meta.nodes[t.value]||null),this.value=e,this.inputType=t.inputType,this.outputType=t.outputType}}const BN=Yp(EN);vp("scriptableValue",BN),ap("ScriptableValueNode",EN);class IN extends Map{get(t,e=null,...s){if(this.has(t))return super.get(t);if(null!==e){const i=e(...s);return this.set(t,i),i}}}class PN{constructor(t){this.scriptableNode=t}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(t){return this.scriptableNode.getInputLayout(t)}get(t){const e=this.parameters[t];return e?e.getValue():null}}const FN=new IN;class UN extends op{constructor(t=null,e={}){super(),this.codeNode=t,this.parameters=e,this._local=new IN,this._output=BN(),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(t,e){return this._local.set(t,e)}getLocal(t){return this._local.get(t)}onRefresh(){this._refresh()}getInputLayout(t){for(const e of this.getLayout())if(e.inputType&&(e.id===t||e.name===t))return e}getOutputLayout(t){for(const e of this.getLayout())if(e.outputType&&(e.id===t||e.name===t))return e}setOutput(t,e){const s=this._outputs;return void 0===s[t]?s[t]=BN(e):s[t].value=e,this}getOutput(t){return this._outputs[t]}getParameter(t){return this.parameters[t]}setParameter(t,e){const s=this.parameters;return e&&e.isScriptableNode?(this.deleteParameter(t),s[t]=e,s[t].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):e&&e.isScriptableValueNode?(this.deleteParameter(t),s[t]=e,s[t].events.addEventListener("refresh",this.onRefresh)):void 0===s[t]?(s[t]=BN(e),s[t].events.addEventListener("refresh",this.onRefresh)):s[t].value=e,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(t){let e=this.parameters[t];return e&&(e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const t of Object.keys(this.parameters))this.deleteParameter(t);return this.needsUpdate=!0,this}call(t,...e){const s=this.getObject()[t];if("function"==typeof s)return s(...e)}async callAsync(t,...e){const s=this.getObject()[t];if("function"==typeof s)return"AsyncFunction"===s.constructor.name?await s(...e):s(...e)}getNodeType(t){return this.getDefaultOutputNode().getNodeType(t)}refresh(t=null){null!==t?this.getOutput(t).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const t=new PN(this),e=FN.get("THREE"),s=FN.get("TSL"),i=this.getMethod(this.codeNode),r=[t,this._local,FN,()=>this.refresh(),(t,e)=>this.setOutput(t,e),e,s];this._object=i(...r);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const t of n.elements){const e=t.id||t.name;t.inputType&&(void 0===this.getParameter(e)&&this.setParameter(e,null),this.getParameter(e).inputType=t.inputType),t.outputType&&(void 0===this.getOutput(e)&&this.setOutput(e,null),this.getOutput(e).outputType=t.outputType)}return this._object}deserialize(t){super.deserialize(t);for(const t in this.parameters){let e=this.parameters[t];e.isScriptableNode&&(e=e.getDefaultOutput()),e.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const t=this.getDefaultOutput().value;return t&&t.isNode?t:im()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const t=["layout","init","main","dispose"].join(", "),e="\nreturn { ...output, "+t+" };",s="var "+t+"; var output = {};\n"+this.codeNode.code+e;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],s),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}set needsUpdate(t){!0===t&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const ON=Yp(UN);vp("scriptable",ON),ap("ScriptableNode",UN);class zN extends op{constructor(t,e){super("float"),this.isFogNode=!0,this.colorNode=t,this.factorNode=e}getViewZNode(t){let e;const s=t.context.getViewZ;return void 0!==s&&(e=s(this)),(e||zb.z).negate()}setup(){return this.factorNode}}const LN=Yp(zN);vp("fog",LN),ap("FogNode",zN);class VN extends zN{constructor(t,e,s){super(t),this.isFogRangeNode=!0,this.nearNode=e,this.farNode=s}setup(t){const e=this.getViewZNode(t);return zy(this.nearNode,this.farNode,e)}}const DN=Yp(VN);vp("rangeFog",DN),ap("FogRangeNode",VN);class kN extends zN{constructor(t,e){super(t),this.isFogExp2Node=!0,this.densityNode=e}setup(t){const e=this.getViewZNode(t),s=this.densityNode;return s.mul(s,e,e).negate().exp().oneMinus()}}const GN=Yp(kN);vp("densityFog",GN),ap("FogExp2Node",kN);let WN=null,jN=null;class HN extends op{constructor(t=im(),e=im()){super(),this.minNode=t,this.maxNode=e}getVectorLength(t){const e=t.getTypeLength(Kd(this.minNode.value)),s=t.getTypeLength(Kd(this.maxNode.value));return e>s?e:s}getNodeType(t){return t.object.count>1?t.getTypeFromLength(this.getVectorLength(t)):"float"}setup(t){const e=t.object;let s=null;if(e.count>1){const i=this.minNode.value,r=this.maxNode.value,n=t.getTypeLength(Kd(i)),o=t.getTypeLength(Kd(r));WN=WN||new vi,jN=jN||new vi,WN.setScalar(0),jN.setScalar(0),1===n?WN.setScalar(i):i.isColor?WN.set(i.r,i.g,i.b):WN.set(i.x,i.y,i.z||0,i.w||0),1===o?jN.setScalar(r):r.isColor?jN.set(r.r,r.g,r.b):jN.set(r.x,r.y,r.z||0,r.w||0);const a=4,h=a*e.count,l=new Float32Array(h);for(let t=0;tqp(new $N(qp(t),e,s));vp("compute",XN),ap("ComputeNode",$N);class YN extends op{constructor(t=YN.TARGET_DIRECTION,e=null){super(),this.scope=t,this.light=e}setup(){const{scope:t,light:e}=this;let s=null;return t===YN.TARGET_DIRECTION&&(s=Tx.transformDirection(Ex(e).sub(Ex(e.target)))),s}serialize(t){super.serialize(t),t.scope=this.scope}deserialize(t){super.deserialize(t),this.scope=t.scope}}YN.TARGET_DIRECTION="targetDirection";const JN=Yp(YN,YN.TARGET_DIRECTION);ap("LightNode",YN);const ZN=Zp((t=>{const{lightDistance:e,cutoffDistance:s,decayExponent:i}=t,r=e.pow(i).max(.01).reciprocal();return s.greaterThan(0).cond(r.mul(e.div(s).pow4().oneMinus().clamp().pow2()),r)}));class QN extends vv{constructor(t=null){super(t),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){const{light:e}=this;super.update(t),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}setup(t){const{colorNode:e,cutoffDistanceNode:s,decayExponentNode:i,light:r}=this,n=t.context.lightingModel,o=Ix(r).sub(zb),a=o.normalize(),h=o.length(),l=ZN({lightDistance:h,cutoffDistance:s,decayExponent:i}),u=e.mul(l),c=t.context.reflectedLight;n.direct({lightDirection:a,lightColor:u,reflectedLight:c,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("PointLightNode",QN),Mv(Mu,QN);class KN extends vv{constructor(t=null){super(t)}setup(t){super.setup(t);const e=t.context.lightingModel,s=this.colorNode,i=JN(this.light),r=t.context.reflectedLight;e.direct({lightDirection:i,lightColor:s,reflectedLight:r,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("DirectionalLightNode",KN),Mv(Ru,KN);const tR=new rr,eR=new rr;let sR=null;class iR extends vv{constructor(t=null){super(t),this.halfHeight=nf(new Ri),this.halfWidth=nf(new Ri)}update(t){super.update(t);const{light:e}=this,s=t.camera.matrixWorldInverse;eR.identity(),tR.copy(e.matrixWorld),tR.premultiply(s),eR.extractRotation(tR),this.halfWidth.value.set(.5*e.width,0,0),this.halfHeight.value.set(0,.5*e.height,0),this.halfWidth.value.applyMatrix4(eR),this.halfHeight.value.applyMatrix4(eR)}setup(t){let e,s;super.setup(t),t.isAvailable("float32Filterable")?(e=ex(sR.LTC_FLOAT_1),s=ex(sR.LTC_FLOAT_2)):(e=ex(sR.LTC_HALF_1),s=ex(sR.LTC_HALF_2));const{colorNode:i,light:r}=this,n=t.context.lightingModel,o=Ix(r),a=t.context.reflectedLight;n.directRectArea({lightColor:i,lightPosition:o,halfWidth:this.halfWidth,halfHeight:this.halfHeight,reflectedLight:a,ltc_1:e,ltc_2:s},t.stack,t)}static setLTC(t){sR=t}}ap("RectAreaLightNode",iR),Mv(Eu,iR);class rR extends vv{constructor(t=null){super(t),this.coneCosNode=nf(0),this.penumbraCosNode=nf(0),this.cutoffDistanceNode=nf(0),this.decayExponentNode=nf(0)}update(t){super.update(t);const{light:e}=this;this.coneCosNode.value=Math.cos(e.angle),this.penumbraCosNode.value=Math.cos(e.angle*(1-e.penumbra)),this.cutoffDistanceNode.value=e.distance,this.decayExponentNode.value=e.decay}getSpotAttenuation(t){const{coneCosNode:e,penumbraCosNode:s}=this;return zy(e,s,t)}setup(t){super.setup(t);const e=t.context.lightingModel,{colorNode:s,cutoffDistanceNode:i,decayExponentNode:r,light:n}=this,o=Ix(n).sub(zb),a=o.normalize(),h=a.dot(JN(n)),l=this.getSpotAttenuation(h),u=o.length(),c=ZN({lightDistance:u,cutoffDistance:i,decayExponent:r}),d=s.mul(l).mul(c),p=t.context.reflectedLight;e.direct({lightDirection:a,lightColor:d,reflectedLight:p,shadowMask:this.shadowMaskNode},t.stack,t)}}ap("SpotLightNode",rR),Mv(vu,rR);class nR extends vu{constructor(t,e,s,i,r,n){super(t,e,s,i,r,n),this.iesMap=null}copy(t,e){return super.copy(t,e),this.iesMap=t.iesMap,this}}class oR extends rR{getSpotAttenuation(t){const e=this.light.iesMap;let s=null;if(e&&!0===e.isTexture){const i=t.acos().mul(1/Math.PI);s=ex(e,am(i,0),0).r}else s=super.getSpotAttenuation(t);return s}}ap("IESSpotLightNode",oR),Mv(nR,oR);class aR extends vv{constructor(t=null){super(t)}setup({context:t}){t.irradiance.addAssign(this.colorNode)}}ap("AmbientLightNode",aR),Mv(Cu,aR);class hR extends vv{constructor(t=null){super(t),this.lightPositionNode=Ex(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=nf(new $r)}update(t){const{light:e}=this;super.update(t),this.lightPositionNode.object3d=e,this.groundColorNode.value.copy(e.groundColor).multiplyScalar(e.intensity)}setup(t){const{colorNode:e,groundColorNode:s,lightDirectionNode:i}=this,r=jx.dot(i).mul(.5).add(.5),n=Py(s,e,r);t.context.irradiance.addAssign(n)}}ap("HemisphereLightNode",hR),Mv(mu,hR);const lR=Zp((t=>{const e=t.uv.mul(2),s=e.x.floor(),i=e.y.floor();return s.add(i).mod(2).sign()}));class uR extends lp{constructor(t=of()){super("float"),this.uvNode=t}setup(){return lR({uv:this.uvNode})}}const cR=Yp(uR);vp("checker",cR),ap("CheckerNode",uR);class dR extends iu{constructor(t){super(t),this.textures={}}load(t,e,s,i){const r=new ou(this.manager);r.setPath(this.path),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(s=>{try{e(this.parse(JSON.parse(s)))}catch(e){i?i(e):console.error(e),this.manager.itemError(t)}}),s,i)}parseNodes(t){const e={};if(void 0!==t){for(const s of t){const{uuid:t,type:i}=s;e[t]=qp(hp(i)),e[t].uuid=t}const s={nodes:e,textures:this.textures};for(const i of t){i.meta=s;e[i.uuid].deserialize(i),delete i.meta}}return e}parse(t){const e=qp(hp(t.type));e.uuid=t.uuid;const s={nodes:this.parseNodes(t.nodes),textures:this.textures};return t.meta=s,e.deserialize(t),delete t.meta,e}setTextures(t){return this.textures=t,this}}const pR=new za;class mR extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.pointWidth=1,this.pointColorNode=null,this.setDefaultValues(pR),this.setupShaders(),this.setValues(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor;this.vertexNode=Zp((()=>{Vm(am(),"vUv").assign(of());const t=km("instancePosition"),e=cg("vec4","mvPos");e.assign(Ux.mul(gm(t,1)));const s=_T.z.div(_T.w),i=bx.mul(e),r=cg("vec2","offset");return r.assign(Pb.xy),r.assign(r.mul(Eb)),r.assign(r.div(_T.z)),r.y.assign(r.y.mul(s)),r.assign(r.mul(i.w)),i.assign(i.add(gm(r,0,0))),i}))(),this.fragmentNode=Zp((()=>{const s=Vm(am(),"vUv"),i=cg("float","alpha");i.assign(1);const r=s.x,n=s.y,o=r.mul(r).add(n.mul(n));if(t){const t=cg("float","dlen");t.assign(o.fwidth()),i.assign(zy(t.oneMinus(),t.add(1),o).oneMinus())}else o.greaterThan(1).discard();let a;if(this.pointColorNode)a=this.pointColorNode;else if(e){a=km("instanceColor").mul(Qx)}else a=Qx;return gm(a,i)}))(),this.needsUpdate=!0}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.setupShaders())}}YT("InstancedPointsNodeMaterial",mR);const gR=new wa;class fR extends XT{constructor(t){super(),this.isLineBasicNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(gR),this.setValues(t)}}YT("LineBasicNodeMaterial",fR);const yR=new Pl;class xR extends XT{constructor(t){super(),this.isLineDashedNodeMaterial=!0,this.lights=!1,this.normals=!1,this.setDefaultValues(yR),this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setupVariants(){const t=this.offsetNode,e=this.dashScaleNode?im(this.dashScaleNode):Mb,s=this.dashSizeNode?im(this.dashSizeNode):Ab,i=this.dashSizeNode?im(this.dashGapNode):Nb;Bg.assign(s),Ig.assign(i);const r=Vm(km("lineDistance").mul(e));(t?r.add(t):r).mod(Bg.add(Ig)).greaterThan(Bg).discard()}}YT("LineDashedNodeMaterial",xR);const bR=new Pl;class vR extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.setDefaultValues(bR),this.useAlphaToCoverage=!0,this.useColor=t.vertexColors,this.useDash=t.dashed,this.useWorldUnits=!1,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(t)}setup(t){this.setupShaders(),super.setup(t)}setupShaders(){const t=this.alphaToCoverage,e=this.useColor,s=this.dashed,i=this.worldUnits,r=Zp((({start:t,end:e})=>{const s=bx.element(2).element(2),i=bx.element(3).element(2).mul(-.5).div(s).sub(t.z).div(e.z.sub(t.z));return gm(Py(t.xyz,e.xyz,i),e.w)}));this.vertexNode=Zp((()=>{dg("vec2","vUv").assign(of());const t=km("instanceStart"),e=km("instanceEnd"),n=cg("vec4","start"),o=cg("vec4","end");n.assign(Ux.mul(gm(t,1))),o.assign(Ux.mul(gm(e,1))),i&&(dg("vec3","worldStart").assign(n.xyz),dg("vec3","worldEnd").assign(o.xyz));const a=_T.z.div(_T.w),h=bx.element(2).element(3).equal(-1);tm(h,(()=>{tm(n.z.lessThan(0).and(o.z.greaterThan(0)),(()=>{o.assign(r({start:n,end:o}))})).elseif(o.z.lessThan(0).and(n.z.greaterThanEqual(0)),(()=>{n.assign(r({start:o,end:n}))}))}));const l=bx.mul(n),u=bx.mul(o),c=l.xyz.div(l.w),d=u.xyz.div(u.w),p=d.xy.sub(c.xy).temp();p.x.assign(p.x.mul(a)),p.assign(p.normalize());const m=eg(gm());if(i){const t=o.xyz.sub(n.xyz).normalize(),e=Py(n.xyz,o.xyz,.5).normalize(),i=t.cross(e).normalize(),r=t.cross(i),a=dg("vec4","worldPos");a.assign(Pb.y.lessThan(.5).cond(n,o));const h=Rb.mul(.5);a.addAssign(gm(Pb.x.lessThan(0).cond(i.mul(h),i.mul(h).negate()),0)),s||(a.addAssign(gm(Pb.y.lessThan(.5).cond(t.mul(h).negate(),t.mul(h)),0)),a.addAssign(gm(r.mul(h),0)),tm(Pb.y.greaterThan(1).or(Pb.y.lessThan(0)),(()=>{a.subAssign(gm(r.mul(2).mul(h),0))}))),m.assign(bx.mul(a));const l=eg(cm());l.assign(Pb.y.lessThan(.5).cond(c,d)),m.z.assign(l.z.mul(m.w))}else{const t=cg("vec2","offset");t.assign(am(p.y,p.x.negate())),p.x.assign(p.x.div(a)),t.x.assign(t.x.div(a)),t.assign(Pb.x.lessThan(0).cond(t.negate(),t)),tm(Pb.y.lessThan(0),(()=>{t.assign(t.sub(p))})).elseif(Pb.y.greaterThan(1),(()=>{t.assign(t.add(p))})),t.assign(t.mul(Rb)),t.assign(t.div(_T.w)),m.assign(Pb.y.lessThan(.5).cond(l,u)),t.assign(t.mul(m.w)),m.assign(m.add(gm(t,0,0)))}return m}))();const n=Zp((({p1:t,p2:e,p3:s,p4:i})=>{const r=t.sub(s),n=i.sub(s),o=e.sub(t),a=r.dot(n),h=n.dot(o),l=r.dot(o),u=n.dot(n),c=o.dot(o).mul(u).sub(h.mul(h)),d=a.mul(h).sub(l.mul(u)).div(c).clamp(),p=a.add(h.mul(d)).div(u).clamp();return am(d,p)}));this.fragmentNode=Zp((()=>{const r=dg("vec2","vUv");if(s){const t=this.offsetNode?im(this.offsetNodeNode):Cb,e=this.dashScaleNode?im(this.dashScaleNode):Mb,s=this.dashSizeNode?im(this.dashSizeNode):Ab,i=this.dashSizeNode?im(this.dashGapNode):Nb;Bg.assign(s),Ig.assign(i);const n=km("instanceDistanceStart"),o=km("instanceDistanceEnd"),a=Pb.y.lessThan(.5).cond(e.mul(n),Mb.mul(o)),h=Vm(a.add(Cb)),l=t?h.add(t):h;r.y.lessThan(-1).or(r.y.greaterThan(1)).discard(),l.mod(Bg.add(Ig)).greaterThan(Bg).discard()}const o=cg("float","alpha");if(o.assign(1),i){const e=dg("vec3","worldStart"),i=dg("vec3","worldEnd"),r=dg("vec4","worldPos").xyz.normalize().mul(1e5),a=i.sub(e),h=n({p1:e,p2:i,p3:cm(0,0,0),p4:r}),l=e.add(a.mul(h.x)),u=r.mul(h.y),c=l.sub(u).length().div(Rb);if(!s)if(t){const t=c.fwidth();o.assign(zy(t.negate().add(.5),t.add(.5),c).oneMinus())}else c.greaterThan(.5).discard()}else if(t){const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1)),s=t.mul(t).add(e.mul(e)),i=cg("float","dlen");i.assign(s.fwidth()),tm(r.y.abs().greaterThan(1),(()=>{o.assign(zy(i.oneMinus(),i.add(1),s).oneMinus())}))}else tm(r.y.abs().greaterThan(1),(()=>{const t=r.x,e=r.y.greaterThan(0).cond(r.y.sub(1),r.y.add(1));t.mul(t).add(e.mul(e)).greaterThan(1).discard()}));let a;if(this.lineColorNode)a=this.lineColorNode;else if(e){const t=km("instanceColorStart"),e=km("instanceColorEnd");a=Pb.y.lessThan(.5).cond(t,e).mul(Qx)}else a=Qx;return gm(a,o)}))()}get worldUnits(){return this.useWorldUnits}set worldUnits(t){this.useWorldUnits!==t&&(this.useWorldUnits=t,this.needsUpdate=!0)}get dashed(){return this.useDash}set dashed(t){this.useDash!==t&&(this.useDash=t,this.needsUpdate=!0)}get alphaToCoverage(){return this.useAlphaToCoverage}set alphaToCoverage(t){this.useAlphaToCoverage!==t&&(this.useAlphaToCoverage=t,this.needsUpdate=!0)}}YT("Line2NodeMaterial",vR);const TR=new Rl;class _R extends XT{constructor(t){super(),this.lights=!1,this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(TR),this.setValues(t)}setupDiffuseColor(){const t=this.opacityNode?im(this.opacityNode):eb;pg.assign(gm(Mw(qx),t))}}YT("MeshNormalNodeMaterial",_R);const wR=new Zr;class SR extends XT{constructor(t){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!1,this.setDefaultValues(wR),this.setValues(t)}}YT("MeshBasicNodeMaterial",SR);const MR=Zp((({f0:t,f90:e,dotVH:s})=>{const i=s.mul(-5.55473).sub(6.98316).mul(s).exp2();return t.mul(i.oneMinus()).add(e.mul(i))})),AR=Zp((t=>t.diffuseColor.mul(1/Math.PI))),NR=Zp((({dotNH:t})=>Cg.mul(im(.5)).add(1).mul(im(1/Math.PI)).mul(t.pow(Cg)))),RR=Zp((({lightDirection:t})=>{const e=t.add(Lb).normalize(),s=qx.dot(e).clamp(),i=Lb.dot(e).clamp(),r=MR({f0:Ng,f90:1,dotVH:i}),n=im(.25),o=NR({dotNH:s});return r.mul(n).mul(o)}));class CR extends Km{constructor(t=!0){super(),this.specular=t}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=qx.dot(t).clamp().mul(e);s.directDiffuse.addAssign(i.mul(AR({diffuseColor:pg.rgb}))),!0===this.specular&&s.directSpecular.addAssign(i.mul(RR({lightDirection:t})).mul(nb))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(AR({diffuseColor:pg})))}}const ER=new Cl;class BR extends XT{constructor(t){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(ER),this.setValues(t)}setupLightingModel(){return new CR(!1)}}YT("MeshLambertNodeMaterial",BR);const IR=new Al;class PR extends XT{constructor(t){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(IR),this.setValues(t)}setupLightingModel(){return new CR}setupVariants(){const t=(this.shininessNode?im(this.shininessNode):Kx).max(1e-4);Cg.assign(t);const e=this.specularNode||sb;Ng.assign(e)}copy(t){return this.shininessNode=t.shininessNode,this.specularNode=t.specularNode,super.copy(t)}}YT("MeshPhongNodeMaterial",PR);const FR=Zp((()=>{const t=Gx.dFdx().abs().max(Gx.dFdy().abs());return t.x.max(t.y).max(t.z)})),UR=Zp((t=>{const{roughness:e}=t,s=FR();let i=e.max(.0525);return i=i.add(s),i=i.min(1),i})),OR=Zp((({alpha:t,dotNL:e,dotNV:s})=>{const i=t.pow2(),r=e.mul(i.add(i.oneMinus().mul(s.pow2())).sqrt()),n=s.mul(i.add(i.oneMinus().mul(e.pow2())).sqrt());return pf(.5,r.add(n).max(If))})).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),zR=Zp((({alphaT:t,alphaB:e,dotTV:s,dotBV:i,dotTL:r,dotBL:n,dotNV:o,dotNL:a})=>{const h=a.mul(cm(t.mul(s),e.mul(i),o).length()),l=o.mul(cm(t.mul(r),e.mul(n),a).length());return pf(.5,h.add(l)).saturate()})).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),LR=Zp((({alpha:t,dotNH:e})=>{const s=t.pow2(),i=e.pow2().mul(s.oneMinus()).oneMinus();return s.div(i.pow2()).mul(1/Math.PI)})).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),VR=im(1/Math.PI),DR=Zp((({alphaT:t,alphaB:e,dotNH:s,dotTH:i,dotBH:r})=>{const n=t.mul(e),o=cm(e.mul(i),t.mul(r),n.mul(s)),a=o.dot(o),h=n.div(a);return VR.mul(n.mul(h.pow2()))})).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),kR=Zp((t=>{const{lightDirection:e,f0:s,f90:i,roughness:r,f:n,USE_IRIDESCENCE:o,USE_ANISOTROPY:a}=t,h=t.normalView||qx,l=r.pow2(),u=e.add(Lb).normalize(),c=h.dot(e).clamp(),d=h.dot(Lb).clamp(),p=h.dot(u).clamp(),m=Lb.dot(u).clamp();let g,f,y=MR({f0:s,f90:i,dotVH:m});if(Wp(o)&&(y=vg.mix(y,n)),Wp(a)){const t=Mg.dot(e),s=Mg.dot(Lb),i=Mg.dot(u),r=Ag.dot(e),n=Ag.dot(Lb),o=Ag.dot(u);g=zR({alphaT:wg,alphaB:l,dotTV:s,dotBV:n,dotTL:t,dotBL:r,dotNV:d,dotNL:c}),f=DR({alphaT:wg,alphaB:l,dotNH:p,dotTH:i,dotBH:o})}else g=OR({alpha:l,dotNL:c,dotNV:d}),f=LR({alpha:l,dotNH:p});return y.mul(g).mul(f)})),GR=Zp((({roughness:t,dotNV:e})=>{const s=gm(-1,-.0275,-.572,.022),i=gm(1,.0425,1.04,-.04),r=t.mul(s).add(i),n=r.x.mul(r.x).min(e.mul(-9.28).exp2()).mul(r.x).add(r.y);return am(-1.04,1.04).mul(n).add(r.zw)})).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),WR=Zp((t=>{const{dotNV:e,specularColor:s,specularF90:i,roughness:r}=t,n=GR({dotNV:e,roughness:r});return s.mul(n.x).add(i.mul(n.y))})),jR=Zp((({f:t,f90:e,dotVH:s})=>{const i=s.oneMinus().saturate(),r=i.mul(i),n=i.mul(r,r).clamp(0,.9999);return t.sub(cm(e).mul(n)).div(n.oneMinus())})).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),HR=Zp((({roughness:t,dotNH:e})=>{const s=t.pow2(),i=im(1).div(s),r=e.pow2().oneMinus().max(.0078125);return im(2).add(i).mul(r.pow(i.mul(.5))).div(2*Math.PI)})).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),qR=Zp((({dotNV:t,dotNL:e})=>im(1).div(im(4).mul(e.add(t).sub(e.mul(t)))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),$R=Zp((({lightDirection:t})=>{const e=t.add(Lb).normalize(),s=qx.dot(t).clamp(),i=qx.dot(Lb).clamp(),r=qx.dot(e).clamp(),n=HR({roughness:bg,dotNH:r}),o=qR({dotNV:i,dotNL:s});return xg.mul(n).mul(o)})),XR=Zp((({N:t,V:e,roughness:s})=>{const i=t.dot(e).saturate(),r=am(s,i.oneMinus().sqrt());return r.assign(r.mul(.984375).add(.0078125)),r})).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),YR=Zp((({f:t})=>{const e=t.length();return xy(e.mul(e).add(t.z).div(e.add(1)),0)})).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),JR=Zp((({v1:t,v2:e})=>{const s=t.dot(e),i=s.abs().toVar(),r=i.mul(.0145206).add(.4965155).mul(i).add(.8543985).toVar(),n=i.add(4.1616724).mul(i).add(3.417594).toVar(),o=r.div(n),a=s.greaterThan(0).cond(o,xy(s.mul(s).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return t.cross(e).mul(a)})).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),ZR=Zp((({N:t,V:e,P:s,mInv:i,p0:r,p1:n,p2:o,p3:a})=>{const h=n.sub(r).toVar(),l=a.sub(r).toVar(),u=h.cross(l),c=cm().toVar();return tm(u.dot(s.sub(r)).greaterThanEqual(0),(()=>{const h=e.sub(t.mul(e.dot(t))).normalize(),l=t.cross(h).negate(),u=i.mul(wm(h,l,t).transpose()).toVar(),d=u.mul(r.sub(s)).normalize().toVar(),p=u.mul(n.sub(s)).normalize().toVar(),m=u.mul(o.sub(s)).normalize().toVar(),g=u.mul(a.sub(s)).normalize().toVar(),f=cm(0).toVar();f.addAssign(JR({v1:d,v2:p})),f.addAssign(JR({v1:p,v2:m})),f.addAssign(JR({v1:m,v2:g})),f.addAssign(JR({v1:g,v2:d})),c.assign(cm(YR({f:f})))})),c})).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),QR=Zp((([t,e,s,i,r])=>{const n=cm(Oy(e.negate(),Yf(t),pf(1,i))),o=cm(ny(r[0].xyz),ny(r[1].xyz),ny(r[2].xyz));return Yf(n).mul(s.mul(o))})).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),KR=Zp((([t,e])=>t.mul(Fy(e.mul(2).sub(2),0,1)))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),tC=ET(),eC=Zp((([t,e,s])=>{const i=tC.uv(t),r=jf(im(TT.x)).mul(KR(e,s));return i.bicubic(r)})),sC=Zp((([t,e,s])=>(tm(s.notEqual(0),(()=>{const i=Wf(e).negate().div(s);return kf(i.negate().mul(t))})),cm(1)))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),iC=Zp((([t,e,s,i,r,n,o,a,h,l,u,c,d,p,m])=>{let g,f;if(m){g=gm().toVar(),f=cm().toVar();const r=u.sub(1).mul(m.mul(.025)),n=cm(u.sub(r),u,u.add(r));ov({start:0,end:3},(({i:r})=>{const u=n.element(r),m=QR(t,e,c,u,a),y=o.add(m),x=l.mul(h.mul(gm(y,1))),b=am(x.xy.div(x.w)).toVar();b.addAssign(1),b.divAssign(2),b.assign(am(b.x,b.y.oneMinus()));const v=eC(b,s,u);g.element(r).assign(v.element(r)),g.a.addAssign(v.a),f.element(r).assign(i.element(r).mul(sC(ny(m),d,p).element(r)))})),g.a.divAssign(3)}else{const r=QR(t,e,c,u,a),n=o.add(r),m=l.mul(h.mul(gm(n,1))),y=am(m.xy.div(m.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(am(y.x,y.y.oneMinus())),g=eC(y,s,u),f=i.mul(sC(ny(r),d,p))}const y=f.rgb.mul(g.rgb),x=t.dot(e).clamp(),b=cm(WR({dotNV:x,specularColor:r,specularF90:n,roughness:s})),v=f.r.add(f.g,f.b).div(3);return gm(b.oneMinus().mul(y),g.a.oneMinus().mul(v).oneMinus())})),rC=wm(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),nC=(t,e)=>t.sub(e).div(t.add(e)).pow2(),oC=(t,e)=>{const s=t.mul(2*Math.PI*1e-9),i=cm(54856e-17,44201e-17,52481e-17),r=cm(1681e3,1795300,2208400),n=cm(43278e5,93046e5,66121e5),o=im(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(s.mul(2239900).add(e.x).cos()).mul(s.pow2().mul(-45282e5).exp());let a=i.mul(n.mul(2*Math.PI).sqrt()).mul(r.mul(s).add(e).cos()).mul(s.pow2().negate().mul(n).exp());a=cm(a.x.add(o),a.y,a.z).div(1.0685e-7);return rC.mul(a)},aC=Zp((({outsideIOR:t,eta2:e,cosTheta1:s,thinFilmThickness:i,baseF0:r})=>{const n=Py(t,e,zy(0,.03,i)),o=t.div(n).pow2().mul(im(1).sub(s.pow2())),a=im(1).sub(o).sqrt(),h=nC(n,t),l=MR({f0:h,f90:1,dotVH:s}),u=l.oneMinus(),c=n.lessThan(t).cond(Math.PI,0),d=im(Math.PI).sub(c),p=(t=>{const e=t.sqrt();return cm(1).add(e).div(cm(1).sub(e))})(r.clamp(0,.9999)),m=nC(p,n.toVec3()),g=MR({f0:m,f90:1,dotVH:a}),f=cm(p.x.lessThan(n).cond(Math.PI,0),p.y.lessThan(n).cond(Math.PI,0),p.z.lessThan(n).cond(Math.PI,0)),y=n.mul(i,a,2),x=cm(d).add(f),b=l.mul(g).clamp(1e-5,.9999),v=b.sqrt(),T=u.pow2().mul(g).div(cm(1).sub(b));let _=l.add(T),w=T.sub(u);for(let t=1;t<=2;++t){w=w.mul(v);const e=oC(im(t).mul(y),im(t).mul(x)).mul(2);_=_.add(w.mul(e))}return _.max(cm(0))})).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),hC=Zp((({normal:t,viewDir:e,roughness:s})=>{const i=t.dot(e).saturate(),r=s.pow2(),n=kv(s.lessThan(.25),im(-339.2).mul(r).add(im(161.4).mul(s)).sub(25.9),im(-8.48).mul(r).add(im(14.3).mul(s)).sub(9.95)),o=kv(s.lessThan(.25),im(44).mul(r).sub(im(23.7).mul(s)).add(3.26),im(1.97).mul(r).sub(im(3.27).mul(s)).add(.72));return kv(s.lessThan(.25),0,im(.1).mul(s).sub(.025)).add(n.mul(i).add(o).exp()).mul(1/Math.PI).saturate()})),lC=cm(.04),uC=im(1);class cC extends Km{constructor(t=!1,e=!1,s=!1,i=!1,r=!1,n=!1){super(),this.clearcoat=t,this.sheen=e,this.iridescence=s,this.anisotropy=i,this.transmission=r,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(t){if(!0===this.clearcoat&&(this.clearcoatRadiance=cm().temp("clearcoatRadiance"),this.clearcoatSpecularDirect=cm().temp("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=cm().temp("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=cm().temp("sheenSpecularDirect"),this.sheenSpecularIndirect=cm().temp("sheenSpecularIndirect")),!0===this.iridescence){const t=qx.dot(Lb).clamp();this.iridescenceFresnel=aC({outsideIOR:im(1),eta2:Tg,cosTheta1:t,thinFilmThickness:_g,baseF0:Ng}),this.iridescenceF0=jR({f:this.iridescenceFresnel,f90:1,dotVH:t})}if(!0===this.transmission){const e=Ub,s=Sx.sub(Ub).normalize(),i=$x;t.backdrop=iC(i,s,mg,pg,Ng,Rg,e,zx,Tx,bx,Fg,Og,Lg,zg,this.dispersion?Vg:null),t.backdropAlpha=Ug,pg.a.mulAssign(Py(1,t.backdrop.a,Ug))}}computeMultiscattering(t,e,s){const i=qx.dot(Lb).clamp(),r=GR({roughness:mg,dotNV:i}),n=(this.iridescenceF0?vg.mix(Ng,this.iridescenceF0):Ng).mul(r.x).add(s.mul(r.y)),o=r.x.add(r.y).oneMinus(),a=Ng.add(Ng.oneMinus().mul(.047619)),h=n.mul(a).div(o.mul(a).oneMinus());t.addAssign(n),e.addAssign(h.mul(o))}direct({lightDirection:t,lightColor:e,reflectedLight:s}){const i=qx.dot(t).clamp().mul(e);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(i.mul($R({lightDirection:t}))),!0===this.clearcoat){const s=Xx.dot(t).clamp().mul(e);this.clearcoatSpecularDirect.addAssign(s.mul(kR({lightDirection:t,f0:lC,f90:uC,roughness:yg,normalView:Xx})))}s.directDiffuse.addAssign(i.mul(AR({diffuseColor:pg.rgb}))),s.directSpecular.addAssign(i.mul(kR({lightDirection:t,f0:Ng,f90:1,roughness:mg,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:t,lightPosition:e,halfWidth:s,halfHeight:i,reflectedLight:r,ltc_1:n,ltc_2:o}){const a=e.add(s).sub(i),h=e.sub(s).sub(i),l=e.sub(s).add(i),u=e.add(s).add(i),c=qx,d=Lb,p=zb.toVar(),m=XR({N:c,V:d,roughness:mg}),g=n.uv(m).toVar(),f=o.uv(m).toVar(),y=wm(cm(g.x,0,g.y),cm(0,1,0),cm(g.z,0,g.w)).toVar(),x=Ng.mul(f.x).add(Ng.oneMinus().mul(f.y)).toVar();r.directSpecular.addAssign(t.mul(x).mul(ZR({N:c,V:d,P:p,mInv:y,p0:a,p1:h,p2:l,p3:u}))),r.directDiffuse.addAssign(t.mul(pg).mul(ZR({N:c,V:d,P:p,mInv:wm(1,0,0,0,1,0,0,0,1),p0:a,p1:h,p2:l,p3:u})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(AR({diffuseColor:pg})))}indirectSpecular({radiance:t,iblIrradiance:e,reflectedLight:s}){if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(e.mul(xg,hC({normal:qx,viewDir:Lb,roughness:bg}))),!0===this.clearcoat){const t=Xx.dot(Lb).clamp(),e=WR({dotNV:t,specularColor:lC,specularF90:uC,roughness:yg});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(e))}const i=cm().temp("singleScattering"),r=cm().temp("multiScattering"),n=e.mul(1/Math.PI);this.computeMultiscattering(i,r,Rg);const o=i.add(r),a=pg.mul(o.r.max(o.g).max(o.b).oneMinus());s.indirectSpecular.addAssign(t.mul(i)),s.indirectSpecular.addAssign(r.mul(n)),s.indirectDiffuse.addAssign(a.mul(n))}ambientOcclusion({ambientOcclusion:t,reflectedLight:e}){const s=qx.dot(Lb).clamp().add(t),i=mg.mul(-16).oneMinus().negate().exp2(),r=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),e.indirectDiffuse.mulAssign(t),e.indirectSpecular.mulAssign(r)}finish(t){const{outgoingLight:e}=t;if(!0===this.clearcoat){const t=Xx.dot(Lb).clamp(),s=MR({dotVH:t,f0:lC,f90:uC}),i=e.mul(fg.mul(s).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(fg));e.assign(i)}if(!0===this.sheen){const t=xg.r.max(xg.g).max(xg.b).mul(.157).oneMinus(),s=e.mul(t).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);e.assign(s)}}}const dC=new Sl;class pC extends XT{constructor(t){super(),this.isMeshStandardNodeMaterial=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(dC),this.setValues(t)}setupLightingModel(){return new cC}setupSpecular(){const t=Py(cm(.04),pg.rgb,gg);Ng.assign(t),Rg.assign(1)}setupVariants(){const t=this.metalnessNode?im(this.metalnessNode):hb;gg.assign(t);let e=this.roughnessNode?im(this.roughnessNode):ab;e=UR({roughness:e}),mg.assign(e),this.setupSpecular(),pg.assign(gm(pg.rgb.mul(t.oneMinus()),pg.a))}copy(t){return this.emissiveNode=t.emissiveNode,this.metalnessNode=t.metalnessNode,this.roughnessNode=t.roughnessNode,super.copy(t)}}YT("MeshStandardNodeMaterial",pC);const mC=new Ml;class gC extends pC{constructor(t){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(mC),this.setValues(t)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const t=this.iorNode?im(this.iorNode):_b;Fg.assign(t),Ng.assign(Py(yy(Ny(Fg.sub(1).div(Fg.add(1))).mul(rb),cm(1)).mul(ib),pg.rgb,gg)),Rg.assign(Py(ib,1,gg))}setupLightingModel(){return new cC(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(t){if(super.setupVariants(t),this.useClearcoat){const t=this.clearcoatNode?im(this.clearcoatNode):ub,e=this.clearcoatRoughnessNode?im(this.clearcoatRoughnessNode):cb;fg.assign(t),yg.assign(UR({roughness:e}))}if(this.useSheen){const t=this.sheenNode?cm(this.sheenNode):mb,e=this.sheenRoughnessNode?im(this.sheenRoughnessNode):gb;xg.assign(t),bg.assign(e)}if(this.useIridescence){const t=this.iridescenceNode?im(this.iridescenceNode):yb,e=this.iridescenceIORNode?im(this.iridescenceIORNode):xb,s=this.iridescenceThicknessNode?im(this.iridescenceThicknessNode):bb;vg.assign(t),Tg.assign(e),_g.assign(s)}if(this.useAnisotropy){const t=(this.anisotropyNode?am(this.anisotropyNode):fb).toVar();Sg.assign(t.length()),tm(Sg.equal(0),(()=>{t.assign(am(1,0))})).else((()=>{t.divAssign(am(Sg)),Sg.assign(Sg.saturate())})),wg.assign(Sg.pow2().mix(mg.pow2(),1)),Mg.assign(Ov[0].mul(t.x).add(Ov[1].mul(t.y))),Ag.assign(Ov[1].mul(t.x).sub(Ov[0].mul(t.y)))}if(this.useTransmission){const t=this.transmissionNode?im(this.transmissionNode):vb,e=this.thicknessNode?im(this.thicknessNode):Tb,s=this.attenuationDistanceNode?im(this.attenuationDistanceNode):wb,i=this.attenuationColorNode?cm(this.attenuationColorNode):Sb;if(Ug.assign(t),Og.assign(e),zg.assign(s),Lg.assign(i),this.useDispersion){const t=this.dispersionNode?im(this.dispersionNode):Bb;Vg.assign(t)}}}setupNormal(t){super.setupNormal(t);const e=this.clearcoatNormalNode?cm(this.clearcoatNormalNode):db;Xx.assign(e)}copy(t){return this.clearcoatNode=t.clearcoatNode,this.clearcoatRoughnessNode=t.clearcoatRoughnessNode,this.clearcoatNormalNode=t.clearcoatNormalNode,this.sheenNode=t.sheenNode,this.sheenRoughnessNode=t.sheenRoughnessNode,this.iridescenceNode=t.iridescenceNode,this.iridescenceIORNode=t.iridescenceIORNode,this.iridescenceThicknessNode=t.iridescenceThicknessNode,this.specularIntensityNode=t.specularIntensityNode,this.specularColorNode=t.specularColorNode,this.transmissionNode=t.transmissionNode,this.thicknessNode=t.thicknessNode,this.attenuationDistanceNode=t.attenuationDistanceNode,this.attenuationColorNode=t.attenuationColorNode,this.dispersionNode=t.dispersionNode,this.anisotropyNode=t.anisotropyNode,super.copy(t)}}YT("MeshPhysicalNodeMaterial",gC);class fC extends cC{constructor(t,e,s,i){super(t,e,s),this.useSSS=i}direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){if(!0===this.useSSS){const i=r.material,{thicknessColorNode:n,thicknessDistortionNode:o,thicknessAmbientNode:a,thicknessAttenuationNode:h,thicknessPowerNode:l,thicknessScaleNode:u}=i,c=t.add(qx.mul(o)).normalize(),d=im(Lb.dot(c.negate()).saturate().pow(l).mul(u)),p=cm(d.add(a).mul(n));s.directDiffuse.addAssign(p.mul(h.mul(e)))}super.direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r)}}class yC extends gC{constructor(t){super(t),this.thicknessColorNode=null,this.thicknessDistortionNode=im(.1),this.thicknessAmbientNode=im(0),this.thicknessAttenuationNode=im(.1),this.thicknessPowerNode=im(2),this.thicknessScaleNode=im(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new fC(this.useClearcoat,this.useSheen,this.useIridescence,this.useSSS)}copy(t){return this.thicknessColorNode=t.thicknessColorNode,this.thicknessDistortionNode=t.thicknessDistortionNode,this.thicknessAmbientNode=t.thicknessAmbientNode,this.thicknessAttenuationNode=t.thicknessAttenuationNode,this.thicknessPowerNode=t.thicknessPowerNode,this.thicknessScaleNode=t.thicknessScaleNode,super.copy(t)}}YT("MeshSSSNodeMaterial",yC);const xC=Zp((({normal:t,lightDirection:e,builder:s})=>{const i=t.dot(e),r=am(i.mul(.5).add(.5),0);if(s.material.gradientMap){const t=mx("gradientMap","texture").context({getUV:()=>r});return cm(t.r)}{const t=r.fwidth().mul(.5);return Py(cm(.7),cm(1),zy(im(.7).sub(t.x),im(.7).add(t.x),r.x))}}));class bC extends Km{direct({lightDirection:t,lightColor:e,reflectedLight:s},i,r){const n=xC({normal:Gx,lightDirection:t,builder:r}).mul(e);s.directDiffuse.addAssign(n.mul(AR({diffuseColor:pg.rgb})))}indirectDiffuse({irradiance:t,reflectedLight:e}){e.indirectDiffuse.addAssign(t.mul(AR({diffuseColor:pg})))}}const vC=new Nl;class TC extends XT{constructor(t){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(vC),this.setValues(t)}setupLightingModel(){return new bC}}YT("MeshToonNodeMaterial",TC);const _C=new Il;class wC extends XT{constructor(t){super(),this.lights=!1,this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(_C),this.setValues(t)}setupVariants(t){const e=pw;let s;s=t.material.matcap?mx("matcap","texture").context({getUV:()=>e}):cm(Py(.2,.8,e.y)),pg.rgb.mulAssign(s.rgb)}}YT("MeshMatcapNodeMaterial",wC);const SC=new za;class MC extends XT{constructor(t){super(),this.isPointsNodeMaterial=!0,this.lights=!1,this.normals=!1,this.transparent=!0,this.sizeNode=null,this.setDefaultValues(SC),this.setValues(t)}copy(t){return this.sizeNode=t.sizeNode,super.copy(t)}}YT("PointsNodeMaterial",MC);const AC=new ao;class NC extends XT{constructor(t){super(),this.isSpriteNodeMaterial=!0,this.lights=!1,this.normals=!1,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.setDefaultValues(AC),this.setValues(t)}setupPosition({object:t,context:e}){const{positionNode:s,rotationNode:i,scaleNode:r}=this,n=Fb;let o=Ux.mul(cm(s||0)),a=am(zx[0].xyz.length(),zx[1].xyz.length());null!==r&&(a=a.mul(r));let h=n.xy;t.center&&!0===t.center.isVector2&&(h=h.sub(nf(t.center).sub(.5))),h=h.mul(a);const l=im(i||pb),u=h.rotate(l);o=gm(o.xy.add(u),o.zw);const c=bx.mul(o);return e.vertex=n,c}copy(t){return this.positionNode=t.positionNode,this.rotationNode=t.rotationNode,this.scaleNode=t.scaleNode,super.copy(t)}}YT("SpriteNodeMaterial",NC);class RC extends Km{constructor(){super(),this.shadowNode=im(1).toVar("shadowMask")}direct({shadowMask:t}){this.shadowNode.mulAssign(t)}finish(t){pg.a.mulAssign(this.shadowNode.oneMinus()),t.outgoingLight.rgb.assign(pg.rgb)}}const CC=new _l;class EC extends XT{constructor(t){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.setDefaultValues(CC),this.setValues(t)}setupLightingModel(){return new RC}}YT("ShadowNodeMaterial",EC);class BC extends XT{constructor(t={}){super(),this.normals=!1,this.lights=!1,this.isVolumeNodeMaterial=!0,this.testNode=null,this.setValues(t)}setup(t){const e=nA(this.map,null,0),s=Zp((({orig:t,dir:e})=>{const s=cm(-.5),i=cm(.5),r=e.reciprocal(),n=s.sub(t).mul(r),o=i.sub(t).mul(r),a=yy(n,o),h=xy(n,o),l=xy(a.x,xy(a.y,a.z)),u=yy(h.x,yy(h.y,h.z));return am(l,u)}));this.fragmentNode=Zp((()=>{const t=Vm(cm(kx.mul(gm(Sx,1)))),i=Vm(Pb.sub(t)).normalize(),r=cg("vec2","bounds").assign(s({orig:t,dir:i}));r.x.greaterThan(r.y).discard(),r.assign(am(xy(r.x,0),r.y));const n=cg("vec3","p").assign(t.add(r.x.mul(i))),o=cg("vec3","inc").assign(cm(i.abs().reciprocal())),a=cg("float","delta").assign(yy(o.x,yy(o.y,o.z)));a.divAssign(mx("steps","float"));const h=cg("vec4","ac").assign(gm(mx("base","color"),0));return ov({type:"float",start:r.x,end:r.y,update:"+= delta"},(()=>{const t=cg("float","d").assign(e.uv(n.add(.5)).r);null!==this.testNode?this.testNode({map:e,mapValue:t,probe:n,finalColor:h}).append():(h.a.assign(1),hv()),n.addAssign(i.mul(a))})),h.a.equal(0).discard(),gm(h)}))(),super.setup(t)}}YT("VolumeNodeMaterial",BC);const IC=Pu.createMaterialFromType;Pu.createMaterialFromType=function(t){const e=JT(t);return void 0!==e?e:IC.call(this,t)};class PC extends Pu{constructor(t){super(t),this.nodes={}}parse(t){const e=super.parse(t),s=this.nodes,i=t.inputNodes;for(const t in i){const r=i[t];e[t]=s[r]}return e}setNodes(t){return this.nodes=t,this}}class FC extends zu{constructor(t){super(t),this._nodesJSON=null}parse(t,e){this._nodesJSON=t.nodes;const s=super.parse(t,e);return this._nodesJSON=null,s}parseNodes(t,e){if(void 0!==t){const s=new dR;return s.setTextures(e),s.parseNodes(t)}return{}}parseMaterials(t,e){const s={};if(void 0!==t){const i=this.parseNodes(this._nodesJSON,e),r=new PC;r.setTextures(e),r.setNodes(i);for(let e=0,i=t.length;e{const e=(t=t.trim()).indexOf(VC),s=-1!==e?t.slice(e+12):t,i=s.match(zC);if(null!==i&&5===i.length){const r=i[4],n=[];let o=null;for(;null!==(o=LC.exec(r));)n.push(o);const a=[];let h=0;for(;h{const i=im(s).toVar(),r=im(e).toVar(),n=om(t).toVar();return kv(n,r,i)})).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),WC=Zp((([t,e])=>{const s=om(e).toVar(),i=im(t).toVar();return kv(s,i.negate(),i)})).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),jC=Zp((([t])=>{const e=im(t).toVar();return rm($f(e))})).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),HC=Zp((([t,e])=>{const s=im(t).toVar();return e.assign(jC(s)),s.sub(im(e))})),qC=cw([Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=im(i).toVar(),l=im(s).toVar(),u=im(e).toVar(),c=im(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),Zp((([t,e,s,i,r,n])=>{const o=im(n).toVar(),a=im(r).toVar(),h=cm(i).toVar(),l=cm(s).toVar(),u=cm(e).toVar(),c=cm(t).toVar(),d=im(cf(1,a)).toVar();return cf(1,o).mul(c.mul(d).add(u.mul(a))).add(o.mul(l.mul(d).add(h.mul(a))))})).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),$C=cw([Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=im(a).toVar(),g=im(o).toVar(),f=im(n).toVar(),y=im(r).toVar(),x=im(i).toVar(),b=im(s).toVar(),v=im(e).toVar(),T=im(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),Zp((([t,e,s,i,r,n,o,a,h,l,u])=>{const c=im(u).toVar(),d=im(l).toVar(),p=im(h).toVar(),m=cm(a).toVar(),g=cm(o).toVar(),f=cm(n).toVar(),y=cm(r).toVar(),x=cm(i).toVar(),b=cm(s).toVar(),v=cm(e).toVar(),T=cm(t).toVar(),_=im(cf(1,p)).toVar(),w=im(cf(1,d)).toVar();return im(cf(1,c)).toVar().mul(w.mul(T.mul(_).add(v.mul(p))).add(d.mul(b.mul(_).add(x.mul(p))))).add(c.mul(w.mul(y.mul(_).add(f.mul(p))).add(d.mul(g.mul(_).add(m.mul(p))))))})).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),XC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=nm(t).toVar(),o=nm(n.bitAnd(nm(7))).toVar(),a=im(GC(o.lessThan(nm(4)),r,i)).toVar(),h=im(df(2,GC(o.lessThan(nm(4)),i,r))).toVar();return WC(a,om(o.bitAnd(nm(1)))).add(WC(h,om(o.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),YC=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=nm(t).toVar(),h=nm(a.bitAnd(nm(15))).toVar(),l=im(GC(h.lessThan(nm(8)),o,n)).toVar(),u=im(GC(h.lessThan(nm(4)),n,GC(h.equal(nm(12)).or(h.equal(nm(14))),o,r))).toVar();return WC(l,om(h.bitAnd(nm(1)))).add(WC(u,om(h.bitAnd(nm(2)))))})).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),JC=cw([XC,YC]),ZC=Zp((([t,e,s])=>{const i=im(s).toVar(),r=im(e).toVar(),n=pm(t).toVar();return cm(JC(n.x,r,i),JC(n.y,r,i),JC(n.z,r,i))})).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),QC=Zp((([t,e,s,i])=>{const r=im(i).toVar(),n=im(s).toVar(),o=im(e).toVar(),a=pm(t).toVar();return cm(JC(a.x,o,n,r),JC(a.y,o,n,r),JC(a.z,o,n,r))})).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),KC=cw([ZC,QC]),tE=Zp((([t])=>{const e=im(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),eE=Zp((([t])=>{const e=im(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),sE=cw([tE,Zp((([t])=>{const e=cm(t).toVar();return df(.6616,e)})).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),iE=cw([eE,Zp((([t])=>{const e=cm(t).toVar();return df(.982,e)})).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),rE=Zp((([t,e])=>{const s=rm(e).toVar(),i=nm(t).toVar();return i.shiftLeft(s).bitOr(i.shiftRight(rm(32).sub(s)))})).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),nE=Zp((([t,e,s])=>{t.subAssign(s),t.bitXorAssign(rE(s,rm(4))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(rE(t,rm(6))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(rE(e,rm(8))),e.addAssign(t),t.subAssign(s),t.bitXorAssign(rE(s,rm(16))),s.addAssign(e),e.subAssign(t),e.bitXorAssign(rE(t,rm(19))),t.addAssign(s),s.subAssign(e),s.bitXorAssign(rE(e,rm(4))),e.addAssign(t)})),oE=Zp((([t,e,s])=>{const i=nm(s).toVar(),r=nm(e).toVar(),n=nm(t).toVar();return i.bitXorAssign(r),i.subAssign(rE(r,rm(14))),n.bitXorAssign(i),n.subAssign(rE(i,rm(11))),r.bitXorAssign(n),r.subAssign(rE(n,rm(25))),i.bitXorAssign(r),i.subAssign(rE(r,rm(16))),n.bitXorAssign(i),n.subAssign(rE(i,rm(4))),r.bitXorAssign(n),r.subAssign(rE(n,rm(14))),i.bitXorAssign(r),i.subAssign(rE(r,rm(24))),i})).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),aE=Zp((([t])=>{const e=nm(t).toVar();return im(e).div(im(nm(rm(4294967295))))})).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),hE=Zp((([t])=>{const e=im(t).toVar();return e.mul(e).mul(e).mul(e.mul(e.mul(6).sub(15)).add(10))})).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),lE=cw([Zp((([t])=>{const e=rm(t).toVar(),s=nm(nm(1)).toVar(),i=nm(nm(rm(3735928559)).add(s.shiftLeft(nm(2))).add(nm(13))).toVar();return oE(i.add(nm(e)),i,i)})).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(nm(2)).toVar(),n=nm().toVar(),o=nm().toVar(),a=nm().toVar();return n.assign(o.assign(a.assign(nm(rm(3735928559)).add(r.shiftLeft(nm(2))).add(nm(13))))),n.addAssign(nm(i)),o.addAssign(nm(s)),oE(n,o,a)})).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(nm(3)).toVar(),a=nm().toVar(),h=nm().toVar(),l=nm().toVar();return a.assign(h.assign(l.assign(nm(rm(3735928559)).add(o.shiftLeft(nm(2))).add(nm(13))))),a.addAssign(nm(n)),h.addAssign(nm(r)),l.addAssign(nm(i)),oE(a,h,l)})).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),Zp((([t,e,s,i])=>{const 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c.assign(d.assign(p.assign(nm(rm(3735928559)).add(u.shiftLeft(nm(2))).add(nm(13))))),c.addAssign(nm(l)),d.addAssign(nm(h)),p.addAssign(nm(a)),nE(c,d,p),c.addAssign(nm(o)),d.addAssign(nm(n)),oE(c,d,p)})).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),uE=cw([Zp((([t,e])=>{const s=rm(e).toVar(),i=rm(t).toVar(),r=nm(lE(i,s)).toVar(),n=pm().toVar();return n.x.assign(r.bitAnd(rm(255))),n.y.assign(r.shiftRight(rm(8)).bitAnd(rm(255))),n.z.assign(r.shiftRight(rm(16)).bitAnd(rm(255))),n})).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),Zp((([t,e,s])=>{const i=rm(s).toVar(),r=rm(e).toVar(),n=rm(t).toVar(),o=nm(lE(n,r,i)).toVar(),a=pm().toVar();return 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n=im(vE(l,t,e,s,o,a,h,r,i)).toVar();tm(n.lessThan(u.x),(()=>{u.y.assign(u.x),u.x.assign(n)})).elseif(n.lessThan(u.y),(()=>{u.y.assign(n)}))}))}))})),tm(i.equal(rm(0)),(()=>{u.assign(Hf(u))})),u})).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),AE=cw([wE,Zp((([t,e,s])=>{const i=rm(s).toVar(),r=im(e).toVar(),n=cm(t).toVar(),o=rm().toVar(),a=rm().toVar(),h=rm().toVar(),l=cm(HC(n.x,o),HC(n.y,a),HC(n.z,h)).toVar(),u=cm(1e6,1e6,1e6).toVar();return ov({start:-1,end:rm(1),name:"x",condition:"<="},(({x:t})=>{ov({start:-1,end:rm(1),name:"y",condition:"<="},(({y:e})=>{ov({start:-1,end:rm(1),name:"z",condition:"<="},(({z:s})=>{const n=im(vE(l,t,e,s,o,a,h,r,i)).toVar();tm(n.lessThan(u.x),(()=>{u.z.assign(u.y),u.y.assign(u.x),u.x.assign(n)})).elseif(n.lessThan(u.y),(()=>{u.z.assign(u.y),u.y.assign(n)})).elseif(n.lessThan(u.z),(()=>{u.z.assign(n)}))}))}))})),tm(i.equal(rm(0)),(()=>{u.assign(Hf(u))})),u})).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),NE=Zp((([t])=>{const e=cm(t).toVar(),s=im(e.x).toVar(),i=im(e.y).toVar(),r=im(e.z).toVar();tm(i.lessThan(1e-4),(()=>cm(r,r,r))).else((()=>{s.assign(df(6,s.sub($f(s))));const t=rm(dy(s)).toVar(),e=im(s.sub(im(t))).toVar(),n=im(r.mul(cf(1,i))).toVar(),o=im(r.mul(cf(1,i.mul(e)))).toVar(),a=im(r.mul(cf(1,i.mul(cf(1,e))))).toVar();return tm(t.equal(rm(0)),(()=>cm(r,a,n))).elseif(t.equal(rm(1)),(()=>cm(o,r,n))).elseif(t.equal(rm(2)),(()=>cm(n,r,a))).elseif(t.equal(rm(3)),(()=>cm(n,o,r))).elseif(t.equal(rm(4)),(()=>cm(a,n,r))),cm(r,n,o)}))})).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),RE=Zp((([t])=>{const e=cm(t).toVar(),s=im(e.x).toVar(),i=im(e.y).toVar(),r=im(e.z).toVar(),n=im(yy(s,yy(i,r))).toVar(),o=im(xy(s,xy(i,r))).toVar(),a=im(o.sub(n)).toVar(),h=im().toVar(),l=im().toVar(),u=im().toVar();return u.assign(o),tm(o.greaterThan(0),(()=>{l.assign(a.div(o))})).else((()=>{l.assign(0)})),tm(l.lessThanEqual(0),(()=>{h.assign(0)})).else((()=>{tm(s.greaterThanEqual(o),(()=>{h.assign(i.sub(r).div(a))})).elseif(i.greaterThanEqual(o),(()=>{h.assign(uf(2,r.sub(s).div(a)))})).else((()=>{h.assign(uf(4,s.sub(i).div(a)))})),h.mulAssign(1/6),tm(h.lessThan(0),(()=>{h.addAssign(1)}))})),cm(h,l,u)})).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),CE=Zp((([t])=>{const e=cm(t).toVar(),s=mm(xf(e,cm(.04045))).toVar(),i=cm(e.div(12.92)).toVar(),r=cm(Ay(xy(e.add(cm(.055)),cm(0)).div(1.055),cm(2.4))).toVar();return Py(i,r,s)})).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),EE=(t,e)=>{t=im(t),e=im(e);const s=am(e.dFdx(),e.dFdy()).length().mul(.7071067811865476);return zy(t.sub(s),t.add(s),e)},BE=(t,e,s,i)=>Py(t,e,s[i].clamp()),IE=(t,e,s=of())=>BE(t,e,s,"x"),PE=(t,e,s=of())=>BE(t,e,s,"y"),FE=(t,e,s,i,r)=>Py(t,e,EE(s,i[r])),UE=(t,e,s,i=of())=>FE(t,e,s,i,"x"),OE=(t,e,s,i=of())=>FE(t,e,s,i,"y"),zE=(t=1,e=0,s=of())=>s.mul(t).add(e),LE=(t,e=1)=>(t=im(t)).abs().pow(e).mul(t.sign()),VE=(t,e=1,s=.5)=>im(t).sub(s).mul(e).add(s),DE=(t=of(),e=1,s=0)=>cE(t.convert("vec2|vec3")).mul(e).add(s),kE=(t=of(),e=1,s=0)=>dE(t.convert("vec2|vec3")).mul(e).add(s),GE=(t=of(),e=1,s=0)=>{t=t.convert("vec2|vec3");return gm(dE(t),cE(t.add(am(19,73)))).mul(e).add(s)},WE=(t=of(),e=1)=>SE(t.convert("vec2|vec3"),e,rm(1)),jE=(t=of(),e=1)=>ME(t.convert("vec2|vec3"),e,rm(1)),HE=(t=of(),e=1)=>AE(t.convert("vec2|vec3"),e,rm(1)),qE=(t=of())=>pE(t.convert("vec2|vec3")),$E=(t=of(),e=3,s=2,i=.5,r=1)=>gE(t,rm(e),s,i).mul(r),XE=(t=of(),e=3,s=2,i=.5,r=1)=>yE(t,rm(e),s,i).mul(r),YE=(t=of(),e=3,s=2,i=.5,r=1)=>fE(t,rm(e),s,i).mul(r),JE=(t=of(),e=3,s=2,i=.5,r=1)=>xE(t,rm(e),s,i).mul(r);function ZE(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function QE(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}class KE{constructor(){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparent=[],this.bundles=[],this.lightsNode=new _v([]),this.lightsArray=[],this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(t,e,s,i,r,n){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:t.id,object:t,geometry:e,material:s,groupOrder:i,renderOrder:t.renderOrder,z:r,group:n},this.renderItems[this.renderItemsIndex]=o):(o.id=t.id,o.object=t,o.geometry=e,o.material=s,o.groupOrder=i,o.renderOrder=t.renderOrder,o.z=r,o.group=n),this.renderItemsIndex++,o}push(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);!0===t.occlusionTest&&this.occlusionQueryCount++,(!0===s.transparent||s.transmission>0?this.transparent:this.opaque).push(o)}unshift(t,e,s,i,r,n){const o=this.getNextRenderItem(t,e,s,i,r,n);(!0===s.transparent?this.transparent:this.opaque).unshift(o)}pushBundle(t){this.bundles.push(t)}pushLight(t){this.lightsArray.push(t)}getLightsNode(){return this.lightsNode.fromLights(this.lightsArray)}sort(t,e){this.opaque.length>1&&this.opaque.sort(t||ZE),this.transparent.length>1&&this.transparent.sort(e||QE)}finish(){this.lightsNode.fromLights(this.lightsArray);for(let t=this.renderItemsIndex,e=this.renderItems.length;t>e,l=a.height>>e;let u=t.depthTexture||r[e],c=!1;void 0===u&&(u=new Za,u.format=t.stencilBuffer?jt:Wt,u.type=t.stencilBuffer?Ot:Bt,u.image.width=h,u.image.height=l,r[e]=u),s.width===a.width&&a.height===s.height||(c=!0,u.needsUpdate=!0,u.image.width=h,u.image.height=l),s.width=a.width,s.height=a.height,s.textures=o,s.depthTexture=u,s.depth=t.depthBuffer,s.stencil=t.stencilBuffer,s.renderTarget=t,s.sampleCount!==i&&(c=!0,u.needsUpdate=!0,s.sampleCount=i);const d={sampleCount:i};for(let t=0;t{if(t.removeEventListener("dispose",e),void 0!==o)for(let t=0;t0){const i=t.image;if(void 0===i)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===i.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(t.images){const s=[];for(const e of t.images)s.push(e);e.images=s}else e.image=i;void 0!==s.isDefaultTexture&&!0!==s.isDefaultTexture||(r.createTexture(t,e),s.isDefaultTexture=!1),!0===t.source.dataReady&&r.updateTexture(t,e),e.needsMipmaps&&0===t.mipmaps.length&&r.generateMipmaps(t)}}else r.createDefaultTexture(t),s.isDefaultTexture=!0}if(!0!==s.initialized){s.initialized=!0,this.info.memory.textures++;const e=()=>{t.removeEventListener("dispose",e),this._destroyTexture(t),this.info.memory.textures--};t.addEventListener("dispose",e)}s.version=t.version}getSize(t,e=rB){let s=t.images?t.images[0]:t.image;return s?(void 0!==s.image&&(s=s.image),e.width=s.width,e.height=s.height,e.depth=t.isCubeTexture?6:s.depth||1):e.width=e.height=e.depth=1,e}getMipLevels(t,e,s){let i;return i=t.isCompressedTexture?t.mipmaps.length:Math.floor(Math.log2(Math.max(e,s)))+1,i}needsMipmaps(t){return!!this.isEnvironmentTexture(t)||(!0===t.isCompressedTexture||t.minFilter!==ft&&t.minFilter!==Tt)}isEnvironmentTexture(t){const e=t.mapping;return e===ut||e===ct||e===ht||e===lt}_destroyTexture(t){this.backend.destroySampler(t),this.backend.destroyTexture(t),this.delete(t)}}class oB extends $r{constructor(t,e,s,i=1){super(t,e,s),this.a=i}set(t,e,s,i=1){return this.a=i,super.set(t,e,s)}copy(t){return void 0!==t.a&&(this.a=t.a),super.copy(t)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}const aB=new oB;class hB extends Nd{constructor(t,e){super(),this.renderer=t,this.nodes=e}update(t,e,s){const i=this.renderer,r=this.nodes.getBackgroundNode(t)||t.background;let n=!1;if(null===r)i._clearColor.getRGB(aB,Ye),aB.a=i._clearColor.a;else if(!0===r.isColor)r.getRGB(aB,Ye),aB.a=1,n=!0;else if(!0===r.isNode){const s=this.get(t),n=r;aB.copy(i._clearColor);let o=s.backgroundMesh;if(void 0===o){const t=$m(gm(n).mul(ES),{getUV:()=>Hx,getTextureLevel:()=>CS});let e=Db();e=e.setZ(e.w);const i=new XT;i.side=d,i.depthTest=!1,i.depthWrite=!1,i.fog=!1,i.vertexNode=e,i.fragmentNode=t,s.backgroundMeshNode=t,s.backgroundMesh=o=new kn(new ml(1,32,32),i),o.frustumCulled=!1,o.onBeforeRender=function(t,e,s){this.matrixWorld.copyPosition(s.matrixWorld)}}const a=n.getCacheKey();s.backgroundCacheKey!==a&&(s.backgroundMeshNode.node=gm(n).mul(ES),o.material.needsUpdate=!0,s.backgroundCacheKey=a),e.unshift(o,o.geometry,o.material,0,0,null)}else console.error("THREE.Renderer: Unsupported background configuration.",r);if(!0===i.autoClear||!0===n){aB.multiplyScalar(aB.a);const t=s.clearColorValue;t.r=aB.r,t.g=aB.g,t.b=aB.b,t.a=aB.a,s.depthClearValue=i._clearDepth,s.stencilClearValue=i._clearStencil,s.clearColor=!0===i.autoClearColor,s.clearDepth=!0===i.autoClearDepth,s.clearStencil=!0===i.autoClearStencil}else s.clearColor=!1,s.clearDepth=!1,s.clearStencil=!1}}class lB{constructor(t,e,s,i,r,n,o,a,h=!0,l=[]){this.vertexShader=t,this.fragmentShader=e,this.computeShader=s,this.transforms=l,this.nodeAttributes=i,this.bindings=r,this.updateNodes=n,this.updateBeforeNodes=o,this.updateAfterNodes=a,this.instanceBindGroups=h,this.usedTimes=0}createBindings(){const t=[];for(const e of this.bindings){if(!0!==(this.instanceBindGroups&&e.bindings[0].groupNode.shared)){const s=new L_(e.name);t.push(s);for(const t of e.bindings)s.bindings.push(t.clone())}else t.push(e)}return t}}class uB extends Nd{constructor(t,e){super(),this.renderer=t,this.backend=e,this.nodeFrame=new j_,this.nodeBuilderCache=new Map,this.callHashCache=new vd,this.groupsData=new vd}updateGroup(t){const e=t.groupNode,s=e.name;if(s===sf.name)return!0;if(s===ef.name){const e=this.get(t),s=this.nodeFrame.renderId;return e.renderId!==s&&(e.renderId=s,!0)}if(s===tf.name){const e=this.get(t),s=this.nodeFrame.frameId;return e.frameId!==s&&(e.frameId=s,!0)}const i=[e,t];let r=this.groupsData.get(i);return void 0===r&&this.groupsData.set(i,r={}),r.version!==e.version&&(r.version=e.version,!0)}getForRenderCacheKey(t){return t.initialCacheKey}getForRender(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const{nodeBuilderCache:i}=this,r=this.getForRenderCacheKey(t);if(s=i.get(r),void 0===s){const e=this.backend.createNodeBuilder(t.object,this.renderer);e.scene=t.scene,e.material=t.material,e.camera=t.camera,e.context.material=t.material,e.lightsNode=t.lightsNode,e.environmentNode=this.getEnvironmentNode(t.scene),e.fogNode=this.getFogNode(t.scene),e.clippingContext=t.clippingContext,e.build(),s=this._createNodeBuilderState(e),i.set(r,s)}s.usedTimes++,e.nodeBuilderState=s}return s}delete(t){if(t.isRenderObject){const e=this.get(t).nodeBuilderState;e.usedTimes--,0===e.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(t))}return super.delete(t)}getForCompute(t){const e=this.get(t);let s=e.nodeBuilderState;if(void 0===s){const i=this.backend.createNodeBuilder(t,this.renderer);i.build(),s=this._createNodeBuilderState(i),e.nodeBuilderState=s}return s}_createNodeBuilderState(t){return new lB(t.vertexShader,t.fragmentShader,t.computeShader,t.getAttributesArray(),t.getBindings(),t.updateNodes,t.updateBeforeNodes,t.updateAfterNodes,t.instanceBindGroups,t.transforms)}getEnvironmentNode(t){return t.environmentNode||this.get(t).environmentNode||null}getBackgroundNode(t){return t.backgroundNode||this.get(t).backgroundNode||null}getFogNode(t){return t.fogNode||this.get(t).fogNode||null}getCacheKey(t,e){const s=[t,e],i=this.renderer.info.calls;let r=this.callHashCache.get(s);if(void 0===r||r.callId!==i){const n=this.getEnvironmentNode(t),o=this.getFogNode(t),a=[];e&&a.push(e.getCacheKey()),n&&a.push(n.getCacheKey()),o&&a.push(o.getCacheKey()),r={callId:i,cacheKey:a.join(",")},this.callHashCache.set(s,r)}return r.cacheKey}updateScene(t){this.updateEnvironment(t),this.updateFog(t),this.updateBackground(t)}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(t){const e=this.get(t),s=t.background;if(s){if(e.background!==s){let t=null;!0===s.isCubeTexture||s.mapping===ut||s.mapping===ct?t=cT(s,Hx):!0===s.isTexture?t=ex(s,ST).setUpdateMatrix(!0):!0!==s.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",s),e.backgroundNode=t,e.background=s}}else e.backgroundNode&&(delete e.backgroundNode,delete e.background)}updateFog(t){const e=this.get(t),s=t.fog;if(s){if(e.fog!==s){let t=null;s.isFogExp2?t=GN(cx("color","color",s),cx("density","float",s)):s.isFog?t=DN(cx("color","color",s),cx("near","float",s),cx("far","float",s)):console.error("WebGPUNodes: Unsupported fog configuration.",s),e.fogNode=t,e.fog=s}}else delete e.fogNode,delete e.fog}updateEnvironment(t){const e=this.get(t),s=t.environment;if(s){if(e.environment!==s){let t=null;!0===s.isCubeTexture?t=yv(s):!0===s.isTexture?t=ex(s):console.error("Nodes: Unsupported environment configuration.",s),e.environmentNode=t,e.environment=s}}else e.environmentNode&&(delete e.environmentNode,delete e.environment)}getNodeFrame(t=this.renderer,e=null,s=null,i=null,r=null){const n=this.nodeFrame;return n.renderer=t,n.scene=e,n.object=s,n.camera=i,n.material=r,n}getNodeFrameForRender(t){return this.getNodeFrame(t.renderer,t.scene,t.object,t.camera,t.material)}getOutputNode(t){let e=ex(t,wT);return this.isToneMappingState&&(this.renderer.toneMappingNode?e=gm(this.renderer.toneMappingNode.context({color:e.rgb}),e.a):0!==this.renderer.toneMapping&&(e=e.toneMapping(this.renderer.toneMapping))),this.renderer.currentColorSpace===Xe&&(e=e.linearToColorSpace(this.renderer.currentColorSpace)),e}updateBefore(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateBeforeNodes)e.updateBeforeNode(t)}updateAfter(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateAfterNodes)e.updateAfterNode(t)}updateForCompute(t){const e=this.getNodeFrame(),s=this.getForCompute(t);for(const t of s.updateNodes)e.updateNode(t)}updateForRender(t){const e=this.getNodeFrameForRender(t),s=t.getNodeBuilderState();for(const t of s.updateNodes)e.updateNode(t)}dispose(){super.dispose(),this.nodeFrame=new j_,this.nodeBuilderCache=new Map}}class cB{constructor(t,e){this.scene=t,this.camera=e}clone(){return Object.assign(new this.constructor,this)}}class dB{constructor(){this.lists=new vd}get(t,e){const s=this.lists,i=[t,e];let r=s.get(i);return void 0===r&&(r=new cB(t,e),s.set(i,r)),r}dispose(){this.lists=new vd}}const pB=new io,mB=new Zs,gB=new vi,fB=new ia,yB=new rr,xB=new Ri,bB=new nS(new XT);class vB{constructor(t,e={}){this.isRenderer=!0;const{logarithmicDepthBuffer:s=!1,alpha:i=!0}=e;this.domElement=t.getDomElement(),this.backend=t,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=s,this.outputColorSpace=Xe,this.toneMapping=0,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=!0,this.stencil=!1,this.clippingPlanes=[],this.info=new Od,this.toneMappingNode=null,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new vi(0,0,this._width,this._height),this._scissor=new vi(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const r=!0===this.alpha?0:1;this._clearColor=new oB(0,0,0,r),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.shadowMap={enabled:!1,type:null},this.xr={enabled:!1},this.debug={checkShaderErrors:!0,onShaderError:null}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise((async(t,e)=>{const s=this.backend;try{await s.init(this)}catch(t){return void e(t)}this._nodes=new uB(this,s),this._animation=new bd(this._nodes,this.info),this._attributes=new Id(s),this._background=new hB(this,this._nodes),this._geometries=new Ud(this._attributes,this.info),this._textures=new nB(this,s,this.info),this._pipelines=new Gd(s,this._nodes),this._bindings=new Wd(s,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new Ad(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new tB,this._bundles=new dB,this._renderContexts=new iB,this._initialized=!0,t()}))),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(t,e,s=null){!1===this._initialized&&await this.init();const i=this._nodes.nodeFrame,r=i.renderId,n=this._currentRenderContext,o=this._currentRenderObjectFunction,a=this._compilationPromises,h=!0===t.isScene?t:pB;null===s&&(s=t);const l=this._renderTarget,u=this._renderContexts.get(s,e,l),c=this._activeMipmapLevel,d=[];this._currentRenderContext=u,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=d,i.renderId++,i.update(),u.depth=this.depth,u.stencil=this.stencil,u.clippingContext||(u.clippingContext=new wd),u.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,l);const p=this._renderLists.get(t,e);if(p.begin(),this._projectObject(t,e,0,p),s!==t&&s.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&p.pushLight(t)})),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const t=this._textures.get(l);u.textures=t.textures,u.depthTexture=t.depthTexture}else u.textures=null,u.depthTexture=null;this._nodes.updateScene(h),this._background.update(h,p,u);const m=p.opaque,g=p.transparent,f=p.lightsNode;m.length>0&&this._renderObjects(m,e,h,f),g.length>0&&this._renderObjects(g,e,h,f),i.renderId=r,this._currentRenderContext=n,this._currentRenderObjectFunction=o,this._compilationPromises=a,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(d)}async renderAsync(t,e){!1===this._initialized&&await this.init();const s=this._renderScene(t,e);await this.backend.resolveTimestampAsync(s,"render")}_renderBundle(t,e,s){const{object:i,camera:r,renderList:n}=t,o=this._currentRenderContext,a=this.backend.get(o),h=this._bundles.get(i,r),l=this.backend.get(h);void 0===l.renderContexts&&(l.renderContexts=new Set);const u=!1===l.renderContexts.has(o)||!0===i.needsUpdate;if(l.renderContexts.add(o),u){if(void 0===a.renderObjects||!0===i.needsUpdate){const t=this._nodes.nodeFrame;a.renderObjects=[],a.renderBundles=[],a.scene=e,a.camera=r,a.renderId=t.renderId,a.registerBundlesPhase=!0}this._currentRenderBundle=h;const t=n.opaque;t.length>0&&this._renderObjects(t,r,e,s),this._currentRenderBundle=null,i.needsUpdate=!1}else{const t=this._currentRenderContext,e=this.backend.get(t);for(let t=0,s=e.renderObjects.length;t>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=x,p.viewportValue.maxDepth=b,p.viewport=!1===p.viewportValue.equals(gB),p.scissorValue.copy(f).multiplyScalar(y).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(gB),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new wd),p.clippingContext.updateGlobal(this,e),h.onBeforeRender(this,t,e,d),yB.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),fB.setFromProjectionMatrix(yB,m);const v=this._renderLists.get(t,e);if(v.begin(),this._projectObject(t,e,0,v),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort),null!==d){this._textures.updateRenderTarget(d,c);const t=this._textures.get(d);p.textures=t.textures,p.depthTexture=t.depthTexture,p.width=t.width,p.height=t.height,p.renderTarget=d,p.depth=d.depthBuffer,p.stencil=d.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=u,p.activeMipmapLevel=c,p.occlusionQueryCount=v.occlusionQueryCount,this._nodes.updateScene(h),this._background.update(h,v,p),this.backend.beginRender(p);const T=v.opaque,_=v.transparent,w=v.bundles,S=v.lightsNode;return w.length>0&&this._renderBundles(w,h,S),T.length>0&&this._renderObjects(T,e,h,S),_.length>0&&this._renderObjects(_,e,h,S),this.backend.finishRender(p),r.renderId=n,this._currentRenderContext=o,this._currentRenderObjectFunction=a,null!==i&&(this.setRenderTarget(l,u,c),bB.material.fragmentNode=this._nodes.getOutputNode(d.texture),this._renderScene(bB,bB.camera,!1)),h.onAfterRender(this,t,e,d),p}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(t){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(t)}async getArrayBufferAsync(t){return await this.backend.getArrayBufferAsync(t)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(t){return t.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(t){return t.set(this._width,this._height)}setPixelRatio(t=1){this._pixelRatio=t,this.setSize(this._width,this._height,!1)}setDrawingBufferSize(t,e,s){this._width=t,this._height=e,this._pixelRatio=s,this.domElement.width=Math.floor(t*s),this.domElement.height=Math.floor(e*s),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setSize(t,e,s=!0){this._width=t,this._height=e,this.domElement.width=Math.floor(t*this._pixelRatio),this.domElement.height=Math.floor(e*this._pixelRatio),!0===s&&(this.domElement.style.width=t+"px",this.domElement.style.height=e+"px"),this.setViewport(0,0,t,e),this._initialized&&this.backend.updateSize()}setOpaqueSort(t){this._opaqueSort=t}setTransparentSort(t){this._transparentSort=t}getScissor(t){const e=this._scissor;return t.x=e.x,t.y=e.y,t.width=e.width,t.height=e.height,t}setScissor(t,e,s,i){const r=this._scissor;t.isVector4?r.copy(t):r.set(t,e,s,i)}getScissorTest(){return this._scissorTest}setScissorTest(t){this._scissorTest=t,this.backend.setScissorTest(t)}getViewport(t){return t.copy(this._viewport)}setViewport(t,e,s,i,r=0,n=1){const o=this._viewport;t.isVector4?o.copy(t):o.set(t,e,s,i),o.minDepth=r,o.maxDepth=n}getClearColor(t){return t.copy(this._clearColor)}setClearColor(t,e=1){this._clearColor.set(t),this._clearColor.a=e}getClearAlpha(){return this._clearColor.a}setClearAlpha(t){this._clearColor.a=t}getClearDepth(){return this._clearDepth}setClearDepth(t){this._clearDepth=t}getClearStencil(){return this._clearStencil}setClearStencil(t){this._clearStencil=t}isOccluded(t){const e=this._currentRenderContext;return e&&this.backend.isOccluded(e,t)}clear(t=!0,e=!0,s=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(t,e,s);const i=this._renderTarget||this._getFrameBufferTarget();let r=null;null!==i&&(this._textures.updateRenderTarget(i),r=this._textures.get(i)),this.backend.clear(t,e,s,r),null!==i&&null===this._renderTarget&&(bB.material.fragmentNode=this._nodes.getOutputNode(i.texture),this._renderScene(bB,bB.camera,!1))}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(t=!0,e=!0,s=!0){!1===this._initialized&&await this.init(),this.clear(t,e,s)}clearColorAsync(){return this.clearAsync(!0,!1,!1)}clearDepthAsync(){return this.clearAsync(!1,!0,!1)}clearStencilAsync(){return this.clearAsync(!1,!1,!0)}get currentColorSpace(){const t=this._renderTarget;if(null!==t){const e=t.texture;return(Array.isArray(e)?e[0]:e).colorSpace}return this.outputColorSpace}dispose(){this.info.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(t,e=0,s=0){this._renderTarget=t,this._activeCubeFace=e,this._activeMipmapLevel=s}getRenderTarget(){return this._renderTarget}setRenderObjectFunction(t){this._renderObjectFunction=t}getRenderObjectFunction(){return this._renderObjectFunction}async computeAsync(t){!1===this._initialized&&await this.init();const e=this._nodes.nodeFrame,s=e.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,e.renderId=this.info.calls;const i=this.backend,r=this._pipelines,n=this._bindings,o=this._nodes,a=Array.isArray(t)?t:[t];if(void 0===a[0]||!0!==a[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(t);for(const e of a){if(!1===r.has(e)){const t=()=>{e.removeEventListener("dispose",t),r.delete(e),n.delete(e),o.delete(e)};e.addEventListener("dispose",t),e.onInit({renderer:this})}o.updateForCompute(e),n.updateForCompute(e);const s=n.getForCompute(e),a=r.getForCompute(e,s);i.compute(t,e,s,a)}i.finishCompute(t),await this.backend.resolveTimestampAsync(t,"compute"),e.renderId=s}async hasFeatureAsync(t){return!1===this._initialized&&await this.init(),this.backend.hasFeature(t)}hasFeature(t){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(t)}copyFramebufferToTexture(t){const e=this._currentRenderContext;this._textures.updateTexture(t),this.backend.copyFramebufferToTexture(t,e)}copyTextureToTexture(t,e,s=null,i=null,r=0){this._textures.updateTexture(t),this._textures.updateTexture(e),this.backend.copyTextureToTexture(t,e,s,i,r)}readRenderTargetPixelsAsync(t,e,s,i,r,n=0){return this.backend.copyTextureToBuffer(t.textures[n],e,s,i,r)}_projectObject(t,e,s,i){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)s=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)i.pushLight(t);else if(t.isSprite){if(!t.frustumCulled||fB.intersectsSprite(t)){!0===this.sortObjects&&xB.setFromMatrixPosition(t.matrixWorld).applyMatrix4(yB);const e=t.geometry,r=t.material;r.visible&&i.push(t,e,r,s,xB.z,null)}}else if(t.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||fB.intersectsObject(t))){const e=t.geometry,r=t.material;if(!0===this.sortObjects&&(null===e.boundingSphere&&e.computeBoundingSphere(),xB.copy(e.boundingSphere.center).applyMatrix4(t.matrixWorld).applyMatrix4(yB)),Array.isArray(r)){const n=e.groups;for(let o=0,a=n.length;o0?i:"";e=`${t.name} {\n\t${s} ${r.name}[${n}];\n};\n`}else{e=`${this.getVectorType(r.type)} ${this.getPropertyName(r,t)};`,n=!0}const o=r.node.precision;if(null!==o&&(e=UB[o]+" "+e),n){e="\t"+e;const t=r.groupNode.name;(i[t]||(i[t]=[])).push(e)}else e="uniform "+e,s.push(e)}let r="";for(const e in i){const s=i[e];r+=this._getGLSLUniformStruct(t+"_"+e,s.join("\n"))+"\n"}return r+=s.join("\n"),r}getTypeFromAttribute(t){let e=super.getTypeFromAttribute(t);if(/^[iu]/.test(e)&&t.gpuType!==Et){let s=t;t.isInterleavedBufferAttribute&&(s=t.data);const i=s.array;!1==(i instanceof Uint32Array||i instanceof Int32Array||i instanceof Uint16Array||i instanceof Int16Array)&&(e=e.slice(1))}return e}getAttributes(t){let e="";if("vertex"===t||"compute"===t){const t=this.getAttributesArray();let s=0;for(const i of t)e+=`layout( location = ${s++} ) in ${i.type} ${i.name};\n`}return e}getStructMembers(t){const e=[],s=t.getMemberTypes();for(let t=0;t0&&(s+="\n"),s+=`\t// flow -> ${n}\n\t`),s+=`${i.code}\n\t`,t===r&&"compute"!==e&&(s+="// result\n\t","vertex"===e?(s+="gl_Position = ",s+=`${i.result};`):"fragment"===e&&(t.outputNode.isOutputStructNode||(s+="fragColor = ",s+=`${i.result};`)))}const n=t[e];n.extensions=this.getExtensions(e),n.uniforms=this.getUniforms(e),n.attributes=this.getAttributes(e),n.varyings=this.getVaryings(e),n.vars=this.getVars(e),n.structs=this.getStructs(e),n.codes=this.getCodes(e),n.transforms=this.getTransforms(e),n.flow=s}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(t.vertex),this.fragmentShader=this._getGLSLFragmentCode(t.fragment)):this.computeShader=this._getGLSLVertexCode(t.compute)}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);let o=n.uniformGPU;if(void 0===o){const i=t.groupNode,a=i.name,h=this.getBindGroupArray(a,s);if("texture"===e)o=new BB(r.name,r.node,i),h.push(o);else if("cubeTexture"===e)o=new IB(r.name,r.node,i),h.push(o);else if("texture3D"===e)o=new PB(r.name,r.node,i),h.push(o);else if("buffer"===e){t.name=`NodeBuffer_${t.id}`,r.name=`buffer${t.id}`;const e=new MB(t,i);e.name=t.name,h.push(e),o=e}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new RB(s+"_"+a,i),t[a]=n,h.push(n)),o=this.getNodeUniform(r,e),n.addUniform(o)}n.uniformGPU=o}return r}}let VB=null,DB=null,kB=null;class GB{constructor(t={}){this.parameters=Object.assign({},t),this.data=new WeakMap,this.renderer=null,this.domElement=null}async init(t){this.renderer=t}begin(){}finish(){}draw(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}createRenderPipeline(){}createComputePipeline(){}destroyPipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}createDefaultTexture(){}createTexture(){}copyTextureToBuffer(){}createAttribute(){}createIndexAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}resolveTimestampAsync(){}hasFeatureAsync(){}hasFeature(){}getInstanceCount(t){const{object:e,geometry:s}=t;return s.isInstancedBufferGeometry?s.instanceCount:e.count>1?e.count:1}getDrawingBufferSize(){return VB=VB||new Zs,this.renderer.getDrawingBufferSize(VB)}getScissor(){return DB=DB||new vi,this.renderer.getScissor(DB)}setScissorTest(){}getClearColor(){const t=this.renderer;return kB=kB||new oB,t.getClearColor(kB),kB.getRGB(kB,this.renderer.currentColorSpace),kB}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:ii(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${t} webgpu`),this.domElement=e),e}set(t,e){this.data.set(t,e)}get(t){let e=this.data.get(t);return void 0===e&&(e={},this.data.set(t,e)),e}has(t){return this.data.has(t)}delete(t){this.data.delete(t)}}let WB=0;class jB{constructor(t,e){this.buffers=[t.bufferGPU,e],this.type=t.type,this.bufferType=t.bufferType,this.pbo=t.pbo,this.byteLength=t.byteLength,this.bytesPerElement=t.BYTES_PER_ELEMENT,this.version=t.version,this.isInteger=t.isInteger,this.activeBufferIndex=0,this.baseId=t.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class HB{constructor(t){this.backend=t}createAttribute(t,e){const s=this.backend,{gl:i}=s,r=t.array,n=t.usage||i.STATIC_DRAW,o=t.isInterleavedBufferAttribute?t.data:t,a=s.get(o);let h,l=a.bufferGPU;if(void 0===l&&(l=this._createBuffer(i,e,r,n),a.bufferGPU=l,a.bufferType=e,a.version=o.version),r instanceof Float32Array)h=i.FLOAT;else if(r instanceof Uint16Array)h=t.isFloat16BufferAttribute?i.HALF_FLOAT:i.UNSIGNED_SHORT;else if(r instanceof Int16Array)h=i.SHORT;else if(r instanceof Uint32Array)h=i.UNSIGNED_INT;else if(r instanceof Int32Array)h=i.INT;else if(r instanceof Int8Array)h=i.BYTE;else if(r instanceof Uint8Array)h=i.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+r);h=i.UNSIGNED_BYTE}let u={bufferGPU:l,bufferType:e,type:h,byteLength:r.byteLength,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version,pbo:t.pbo,isInteger:h===i.INT||h===i.UNSIGNED_INT||h===i.UNSIGNED_SHORT||t.gpuType===Et,id:WB++};if(t.isStorageBufferAttribute||t.isStorageInstancedBufferAttribute){const t=this._createBuffer(i,e,r,n);u=new jB(u,t)}s.set(t,u)}updateAttribute(t){const e=this.backend,{gl:s}=e,i=t.array,r=t.isInterleavedBufferAttribute?t.data:t,n=e.get(r),o=n.bufferType,a=t.isInterleavedBufferAttribute?t.data.updateRanges:t.updateRanges;if(s.bindBuffer(o,n.bufferGPU),0===a.length)s.bufferSubData(o,0,i);else{for(let t=0,e=a.length;t{!function r(){const n=t.clientWaitSync(e,t.SYNC_FLUSH_COMMANDS_BIT,0);if(n===t.WAIT_FAILED)return t.deleteSync(e),void i();n!==t.TIMEOUT_EXPIRED?(t.deleteSync(e),s()):requestAnimationFrame(r)}()}))}}let ZB,QB,KB,tI=!1;class eI{constructor(t){this.backend=t,this.gl=t.gl,this.extensions=t.extensions,this.defaultTextures={},!1===tI&&(this._init(this.gl),tI=!0)}_init(t){ZB={[pt]:t.REPEAT,[mt]:t.CLAMP_TO_EDGE,[gt]:t.MIRRORED_REPEAT},QB={[ft]:t.NEAREST,[yt]:t.NEAREST_MIPMAP_NEAREST,[bt]:t.NEAREST_MIPMAP_LINEAR,[Tt]:t.LINEAR,[_t]:t.LINEAR_MIPMAP_NEAREST,[St]:t.LINEAR_MIPMAP_LINEAR},KB={512:t.NEVER,519:t.ALWAYS,[bs]:t.LESS,515:t.LEQUAL,514:t.EQUAL,518:t.GEQUAL,516:t.GREATER,517:t.NOTEQUAL}}filterFallback(t){const{gl:e}=this;return t===ft||t===yt||t===bt?e.NEAREST:e.LINEAR}getGLTextureType(t){const{gl:e}=this;let s;return s=!0===t.isCubeTexture?e.TEXTURE_CUBE_MAP:!0===t.isDataArrayTexture?e.TEXTURE_2D_ARRAY:!0===t.isData3DTexture?e.TEXTURE_3D:e.TEXTURE_2D,s}getInternalFormat(t,e,s,i,r=!1){const{gl:n,extensions:o}=this;if(null!==t){if(void 0!==n[t])return n[t];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+t+"'")}let a=e;return e===n.RED&&(s===n.FLOAT&&(a=n.R32F),s===n.HALF_FLOAT&&(a=n.R16F),s===n.UNSIGNED_BYTE&&(a=n.R8),s===n.UNSIGNED_SHORT&&(a=n.R16),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RED_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.R8UI),s===n.UNSIGNED_SHORT&&(a=n.R16UI),s===n.UNSIGNED_INT&&(a=n.R32UI),s===n.BYTE&&(a=n.R8I),s===n.SHORT&&(a=n.R16I),s===n.INT&&(a=n.R32I)),e===n.RG&&(s===n.FLOAT&&(a=n.RG32F),s===n.HALF_FLOAT&&(a=n.RG16F),s===n.UNSIGNED_BYTE&&(a=n.RG8),s===n.UNSIGNED_SHORT&&(a=n.RG16),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RG_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RG8UI),s===n.UNSIGNED_SHORT&&(a=n.RG16UI),s===n.UNSIGNED_INT&&(a=n.RG32UI),s===n.BYTE&&(a=n.RG8I),s===n.SHORT&&(a=n.RG16I),s===n.INT&&(a=n.RG32I)),e===n.RGB&&(s===n.FLOAT&&(a=n.RGB32F),s===n.HALF_FLOAT&&(a=n.RGB16F),s===n.UNSIGNED_BYTE&&(a=n.RGB8),s===n.UNSIGNED_SHORT&&(a=n.RGB16),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8:n.RGB8),s===n.UNSIGNED_SHORT_5_6_5&&(a=n.RGB565),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGB4),s===n.UNSIGNED_INT_5_9_9_9_REV&&(a=n.RGB9_E5)),e===n.RGB_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGB8UI),s===n.UNSIGNED_SHORT&&(a=n.RGB16UI),s===n.UNSIGNED_INT&&(a=n.RGB32UI),s===n.BYTE&&(a=n.RGB8I),s===n.SHORT&&(a=n.RGB16I),s===n.INT&&(a=n.RGB32I)),e===n.RGBA&&(s===n.FLOAT&&(a=n.RGBA32F),s===n.HALF_FLOAT&&(a=n.RGBA16F),s===n.UNSIGNED_BYTE&&(a=n.RGBA8),s===n.UNSIGNED_SHORT&&(a=n.RGBA16),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I),s===n.UNSIGNED_BYTE&&(a=i===Xe&&!1===r?n.SRGB8_ALPHA8:n.RGBA8),s===n.UNSIGNED_SHORT_4_4_4_4&&(a=n.RGBA4),s===n.UNSIGNED_SHORT_5_5_5_1&&(a=n.RGB5_A1)),e===n.RGBA_INTEGER&&(s===n.UNSIGNED_BYTE&&(a=n.RGBA8UI),s===n.UNSIGNED_SHORT&&(a=n.RGBA16UI),s===n.UNSIGNED_INT&&(a=n.RGBA32UI),s===n.BYTE&&(a=n.RGBA8I),s===n.SHORT&&(a=n.RGBA16I),s===n.INT&&(a=n.RGBA32I)),e===n.DEPTH_COMPONENT&&(s===n.UNSIGNED_INT&&(a=n.DEPTH24_STENCIL8),s===n.FLOAT&&(a=n.DEPTH_COMPONENT32F)),e===n.DEPTH_STENCIL&&s===n.UNSIGNED_INT_24_8&&(a=n.DEPTH24_STENCIL8),a!==n.R16F&&a!==n.R32F&&a!==n.RG16F&&a!==n.RG32F&&a!==n.RGBA16F&&a!==n.RGBA32F||o.get("EXT_color_buffer_float"),a}setTextureParameters(t,e){const{gl:s,extensions:i,backend:r}=this,{currentAnisotropy:n}=r.get(e);s.texParameteri(t,s.TEXTURE_WRAP_S,ZB[e.wrapS]),s.texParameteri(t,s.TEXTURE_WRAP_T,ZB[e.wrapT]),t!==s.TEXTURE_3D&&t!==s.TEXTURE_2D_ARRAY||s.texParameteri(t,s.TEXTURE_WRAP_R,ZB[e.wrapR]),s.texParameteri(t,s.TEXTURE_MAG_FILTER,QB[e.magFilter]);const o=e.isVideoTexture||e.minFilter!==Tt?e.minFilter:St;if(s.texParameteri(t,s.TEXTURE_MIN_FILTER,QB[o]),e.compareFunction&&(s.texParameteri(t,s.TEXTURE_COMPARE_MODE,s.COMPARE_REF_TO_TEXTURE),s.texParameteri(t,s.TEXTURE_COMPARE_FUNC,KB[e.compareFunction])),!0===i.has("EXT_texture_filter_anisotropic")){if(e.magFilter===ft)return;if(e.minFilter!==bt&&e.minFilter!==St)return;if(e.type===It&&!1===i.has("OES_texture_float_linear"))return;if(e.anisotropy>1||n!==e.anisotropy){const n=i.get("EXT_texture_filter_anisotropic");s.texParameterf(t,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(e.anisotropy,r.getMaxAnisotropy())),r.get(e).currentAnisotropy=e.anisotropy}}}createDefaultTexture(t){const{gl:e,backend:s,defaultTextures:i}=this,r=this.getGLTextureType(t);let n=i[r];void 0===n&&(n=e.createTexture(),s.state.bindTexture(r,n),e.texParameteri(r,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(r,e.TEXTURE_MAG_FILTER,e.NEAREST),i[r]=n),s.set(t,{textureGPU:n,glTextureType:r,isDefault:!0})}createTexture(t,e){const{gl:s,backend:i}=this,{levels:r,width:n,height:o,depth:a}=e,h=i.utils.convert(t.format,t.colorSpace),l=i.utils.convert(t.type),u=this.getInternalFormat(t.internalFormat,h,l,t.colorSpace,t.isVideoTexture),c=s.createTexture(),d=this.getGLTextureType(t);i.state.bindTexture(d,c),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,t.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,t.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE),this.setTextureParameters(d,t),t.isDataArrayTexture?s.texStorage3D(s.TEXTURE_2D_ARRAY,r,u,n,o,a):t.isData3DTexture?s.texStorage3D(s.TEXTURE_3D,r,u,n,o,a):t.isVideoTexture||s.texStorage2D(d,r,u,n,o),i.set(t,{textureGPU:c,glTextureType:d,glFormat:h,glType:l,glInternalFormat:u})}copyBufferToTexture(t,e){const{gl:s,backend:i}=this,{textureGPU:r,glTextureType:n,glFormat:o,glType:a}=i.get(e),{width:h,height:l}=e.source.data;s.bindBuffer(s.PIXEL_UNPACK_BUFFER,t),i.state.bindTexture(n,r),s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,!1),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),s.texSubImage2D(n,0,0,0,h,l,o,a,0),s.bindBuffer(s.PIXEL_UNPACK_BUFFER,null),i.state.unbindTexture()}updateTexture(t,e){const{gl:s}=this,{width:i,height:r}=e,{textureGPU:n,glTextureType:o,glFormat:a,glType:h,glInternalFormat:l}=this.backend.get(t);if(t.isRenderTargetTexture||void 0===n)return;const u=t=>t.isDataTexture?t.image.data:t instanceof ImageBitmap||t instanceof OffscreenCanvas||t instanceof HTMLImageElement||t instanceof HTMLCanvasElement?t:t.data;if(this.backend.state.bindTexture(o,n),t.isCompressedTexture){const i=t.mipmaps;for(let r=0;r0){let a,h;!0===t.isDepthTexture?(a=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,e.stencil&&(a|=s.STENCIL_BUFFER_BIT)):(a=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0);const l=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,l),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,r,0),s.blitFramebuffer(0,0,n,o,0,0,n,o,a,s.NEAREST),s.deleteFramebuffer(l)}else i.bindTexture(s.TEXTURE_2D,r),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,0,0,n,o),i.unbindTexture();t.generateMipmaps&&this.generateMipmaps(t),this.backend._setFramebuffer(e)}setupRenderBufferStorage(t,e){const{gl:s}=this,i=e.renderTarget,{samples:r,depthTexture:n,depthBuffer:o,stencilBuffer:a,width:h,height:l}=i;if(s.bindRenderbuffer(s.RENDERBUFFER,t),o&&!a){let e=s.DEPTH_COMPONENT24;r>0?(n&&n.isDepthTexture&&n.type===s.FLOAT&&(e=s.DEPTH_COMPONENT32F),s.renderbufferStorageMultisample(s.RENDERBUFFER,r,e,h,l)):s.renderbufferStorage(s.RENDERBUFFER,e,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,t)}else o&&a&&(r>0?s.renderbufferStorageMultisample(s.RENDERBUFFER,r,s.DEPTH24_STENCIL8,h,l):s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_STENCIL,h,l),s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_STENCIL_ATTACHMENT,s.RENDERBUFFER,t))}async copyTextureToBuffer(t,e,s,i,r){const{backend:n,gl:o}=this,{textureGPU:a,glFormat:h,glType:l}=this.backend.get(t),u=o.createFramebuffer();o.bindFramebuffer(o.READ_FRAMEBUFFER,u),o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,o.TEXTURE_2D,a,0);const c=this._getTypedArrayType(l),d=i*r*this._getBytesPerTexel(h),p=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.bufferData(o.PIXEL_PACK_BUFFER,d,o.STREAM_READ),o.readPixels(e,s,i,r,h,l,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await n.utils._clientWaitAsync();const m=new c(d/c.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,p),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,m),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),o.deleteFramebuffer(u),m}_getTypedArrayType(t){const{gl:e}=this;if(t===e.UNSIGNED_BYTE)return Uint8Array;if(t===e.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(t===e.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(t===e.UNSIGNED_SHORT)return Uint16Array;if(t===e.UNSIGNED_INT)return Uint32Array;if(t===e.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${t}`)}_getBytesPerTexel(t){const{gl:e}=this;return t===e.RGBA?4:t===e.RGB?3:t===e.ALPHA?1:void 0}}class sI{constructor(t){this.backend=t,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(t){let e=this.extensions[t];return void 0===e&&(e=this.gl.getExtension(t),this.extensions[t]=e),e}has(t){return this.availableExtensions.includes(t)}}class iI{constructor(t){this.backend=t,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const t=this.backend.gl,e=this.backend.extensions;if(!0===e.has("EXT_texture_filter_anisotropic")){const s=e.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=t.getParameter(s.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const rI={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query"};class nI{constructor(t){this.gl=t.gl,this.extensions=t.extensions,this.info=t.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(t,e){const{gl:s,mode:i,object:r,type:n,info:o,index:a}=this;0!==a?s.drawElements(i,e,n,t):s.drawArrays(i,t,e),o.update(r,e,i,1)}renderInstances(t,e,s){const{gl:i,mode:r,type:n,index:o,object:a,info:h}=this;0!==s&&(0!==o?i.drawElementsInstanced(r,e,n,t,s):i.drawArraysInstanced(r,t,e,s),h.update(a,e,r,s))}renderMultiDraw(t,e,s){const{extensions:i,mode:r,object:n,info:o}=this;if(0===s)return;const a=i.get("WEBGL_multi_draw");if(null===a)for(let i=0;i0)){const t=e.queryQueue.shift();this.initTimestampQuery(t)}}async resolveTimestampAsync(t,e="render"){if(!this.disjoint||!this.trackTimestamp)return;const s=this.get(t);s.gpuQueries||(s.gpuQueries=[]);for(let t=0;t0&&(s.currentOcclusionQueries=s.occlusionQueries,s.currentOcclusionQueryObjects=s.occlusionQueryObjects,s.lastOcclusionObject=null,s.occlusionQueries=new Array(i),s.occlusionQueryObjects=new Array(i),s.occlusionQueryIndex=0)}finishRender(t){const{gl:e,state:s}=this,i=this.get(t).previousContext,r=t.textures;if(null!==r)for(let t=0;t0){const r=i.msaaFrameBuffer,a=t.textures;s.bindFramebuffer(e.READ_FRAMEBUFFER,r),s.bindFramebuffer(e.DRAW_FRAMEBUFFER,n);for(let s=0;s0){if(n>this.get(t).occlusionQueryIndex){const{gl:t}=this;t.endQuery(t.ANY_SAMPLES_PASSED)}this.resolveOccludedAsync(t)}this.prepareTimestampBuffer(t)}resolveOccludedAsync(t){const e=this.get(t),{currentOcclusionQueries:s,currentOcclusionQueryObjects:i}=e;if(s&&i){const t=new WeakSet,{gl:r}=this;e.currentOcclusionQueryObjects=null,e.currentOcclusionQueries=null;const n=()=>{let o=0;for(let e=0;e0&&t.add(i[e]),s[e]=null,r.deleteQuery(n),o++))}o1?f.renderInstances(m,y,x):f.render(m,y),o.bindVertexArray(null)}needsRenderUpdate(){return!1}getRenderCacheKey(t){return t.id}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}createSampler(){}destroySampler(){}createNodeBuilder(t,e){return new LB(t,e)}createProgram(t){const e=this.gl,{stage:s,code:i}=t,r="fragment"===s?e.createShader(e.FRAGMENT_SHADER):e.createShader(e.VERTEX_SHADER);e.shaderSource(r,i),e.compileShader(r),this.set(t,{shaderGPU:r})}destroyProgram(){console.warn("Abstract class.")}createRenderPipeline(t,e){const s=this.gl,i=t.pipeline,{fragmentProgram:r,vertexProgram:n}=i,o=s.createProgram(),a=this.get(r).shaderGPU,h=this.get(n).shaderGPU;if(s.attachShader(o,a),s.attachShader(o,h),s.linkProgram(o),this.set(i,{programGPU:o,fragmentShader:a,vertexShader:h}),null!==e&&this.parallel){const r=new Promise((e=>{const r=this.parallel,n=()=>{s.getProgramParameter(o,r.COMPLETION_STATUS_KHR)?(this._completeCompile(t,i),e()):requestAnimationFrame(n)};n()}));e.push(r)}else this._completeCompile(t,i)}_handleSource(t,e){const s=t.split("\n"),i=[],r=Math.max(e-6,0),n=Math.min(e+6,s.length);for(let t=r;t":" "} ${r}: ${s[t]}`)}return i.join("\n")}_getShaderErrors(t,e,s){const i=t.getShaderParameter(e,t.COMPILE_STATUS),r=t.getShaderInfoLog(e).trim();if(i&&""===r)return"";const n=/ERROR: 0:(\d+)/.exec(r);if(n){const i=parseInt(n[1]);return s.toUpperCase()+"\n\n"+r+"\n\n"+this._handleSource(t.getShaderSource(e),i)}return r}_logProgramError(t,e,s){if(this.renderer.debug.checkShaderErrors){const i=this.gl,r=i.getProgramInfoLog(t).trim();if(!1===i.getProgramParameter(t,i.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(i,t,s,e);else{const n=this._getShaderErrors(i,s,"vertex"),o=this._getShaderErrors(i,e,"fragment");console.error("THREE.WebGLProgram: Shader Error "+i.getError()+" - VALIDATE_STATUS "+i.getProgramParameter(t,i.VALIDATE_STATUS)+"\n\nProgram Info Log: "+r+"\n"+n+"\n"+o)}else""!==r&&console.warn("THREE.WebGLProgram: Program Info Log:",r)}}_completeCompile(t,e){const s=this.gl,i=this.get(e),{programGPU:r,fragmentShader:n,vertexShader:o}=i;!1===s.getProgramParameter(r,s.LINK_STATUS)&&this._logProgramError(r,n,o),s.useProgram(r);const a=t.getBindings();this._setupBindings(a,r),this.set(e,{programGPU:r})}createComputePipeline(t,e){const s=this.gl,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:r}=t,n=s.createProgram(),o=this.get(i).shaderGPU,a=this.get(r).shaderGPU,h=r.transforms,l=[],u=[];for(let t=0;trI[e]===t)),s=this.extensions;for(let t=0;t0){if(void 0===d){const i=[];d=e.createFramebuffer(),s.bindFramebuffer(e.FRAMEBUFFER,d);const r=[],l=t.textures;for(let s=0;s,\n\t@location( 0 ) vTex : vec2\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2, 4 >(\n\t\tvec2( -1.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 ),\n\t\tvec2( -1.0, -1.0 ),\n\t\tvec2( 1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2, 4 >(\n\t\tvec2( 0.0, 0.0 ),\n\t\tvec2( 1.0, 0.0 ),\n\t\tvec2( 0.0, 1.0 ),\n\t\tvec2( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=t.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=t.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2 ) -> @location( 0 ) vec4 {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(t){let e=this.transferPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:US,stripIndexFormat:QS},layout:"auto"}),this.transferPipelines[t]=e),e}getFlipYPipeline(t){let e=this.flipYPipelines[t];return void 0===e&&(e=this.device.createRenderPipeline({vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:t}]},primitive:{topology:US,stripIndexFormat:QS},layout:"auto"}),this.flipYPipelines[t]=e),e}flipY(t,e,s=0){const i=e.format,{width:r,height:n}=e.size,o=this.getTransferPipeline(i),a=this.getFlipYPipeline(i),h=this.device.createTexture({size:{width:r,height:n,depthOrArrayLayers:1},format:i,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:WM,baseArrayLayer:s}),u=h.createView({baseMipLevel:0,mipLevelCount:1,dimension:WM,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),d=(t,e,s)=>{const i=t.getBindGroupLayout(0),r=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:e}]}),n=c.beginRenderPass({colorAttachments:[{view:s,loadOp:qS,storeOp:jS,clearValue:[0,0,0,0]}]});n.setPipeline(t),n.setBindGroup(0,r),n.draw(4,1,0,0),n.end()};d(o,l,u),d(a,u,l),this.device.queue.submit([c.finish()]),h.destroy()}generateMipmaps(t,e,s=0){const i=this.getTransferPipeline(e.format),r=this.device.createCommandEncoder({}),n=i.getBindGroupLayout(0);let o=t.createView({baseMipLevel:0,mipLevelCount:1,dimension:WM,baseArrayLayer:s});for(let a=1;a1&&(u=Math.pow(2,Math.floor(Math.log2(u))),2===u&&(u=4));const c=t.isRenderTargetTexture?1:u;let d=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===t.isStorageTexture&&(d|=GPUTextureUsage.STORAGE_BINDING),!0!==t.isCompressedTexture&&(d|=GPUTextureUsage.RENDER_ATTACHMENT);const p={label:t.name,size:{width:r,height:n,depthOrArrayLayers:o},mipLevelCount:a,sampleCount:c,dimension:h,format:l,usage:d};if(t.isVideoTexture){const e=t.source.data,s=new VideoFrame(e);p.size.width=s.displayWidth,p.size.height=s.displayHeight,s.close(),i.externalTexture=e}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(t);i.texture=s.device.createTexture(p)}if(t.isRenderTargetTexture&&u>1){const t=Object.assign({},p);t.label=t.label+"-msaa",t.sampleCount=u,i.msaaTexture=s.device.createTexture(t)}i.initialized=!0,i.textureDescriptorGPU=p}destroyTexture(t){const e=this.backend,s=e.get(t);s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),e.delete(t)}destroySampler(t){delete this.backend.get(t).sampler}generateMipmaps(t){const e=this.backend.get(t);if(t.isCubeTexture)for(let t=0;t<6;t++)this._generateMipmaps(e.texture,e.textureDescriptorGPU,t);else this._generateMipmaps(e.texture,e.textureDescriptorGPU)}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const t=this.backend,{width:e,height:s}=t.getDrawingBufferSize();return this.colorBuffer=t.device.createTexture({label:"colorBuffer",size:{width:e,height:s,depthOrArrayLayers:1},sampleCount:t.parameters.sampleCount,format:KS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(t=!0,e=!1){const s=this.backend,{width:i,height:r}=s.getDrawingBufferSize(),n=this.depthTexture,o=s.get(n).texture;let a,h;if(e?(a=jt,h=Ot):t&&(a=Wt,h=Bt),void 0!==o){if(n.image.width===i&&n.image.height===r&&n.format===a&&n.type===h)return o;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=h,n.image.width=i,n.image.height=r,this.createTexture(n,{sampleCount:s.parameters.sampleCount,width:i,height:r}),s.get(n).texture}updateTexture(t,e){const s=this.backend.get(t),{textureDescriptorGPU:i}=s;if(!t.isRenderTargetTexture&&void 0!==i){if(t.isDataTexture)this._copyBufferToTexture(e.image,s.texture,i,0,t.flipY);else if(t.isDataArrayTexture||t.isData3DTexture)for(let r=0;r]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,xI=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,bI={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2":"vec2","vec2":"ivec2","vec2":"uvec2","vec2":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3":"vec3","vec3":"ivec3","vec3":"uvec3","vec3":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4":"vec4","vec4":"ivec4","vec4":"uvec4","vec4":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2":"mat2",mat2x2f:"mat2","mat3x3":"mat3",mat3x3f:"mat3","mat4x4":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_2d:"texture",texture_cube:"cubeTexture",texture_depth_2d:"depthTexture",texture_storage_2d:"storageTexture",texture_3d:"texture3D"};class vI extends OC{constructor(t){const{type:e,inputs:s,name:i,inputsCode:r,blockCode:n,outputType:o}=(t=>{const e=(t=t.trim()).match(yI);if(null!==e&&4===e.length){const s=e[2],i=[];let r=null;for(;null!==(r=xI.exec(s));)i.push({name:r[1],type:r[2]});const n=[];for(let t=0;t "+this.outputType:"";return`fn ${t} ( ${this.inputsCode.trim()} ) ${e}`+this.blockCode}}class TI extends UC{parseFunction(t){return new vI(t)}}const _I=self.GPUShaderStage,wI={vertex:_I?_I.VERTEX:1,fragment:_I?_I.FRAGMENT:2,compute:_I?_I.COMPUTE:4},SI={instance:!0,swizzleAssign:!1,storageBuffer:!0},MI={"^^":"threejs_xor"},AI={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3",vec2:"vec2",ivec2:"vec2",uvec2:"vec2",bvec2:"vec2",vec3:"vec3",ivec3:"vec3",uvec3:"vec3",bvec3:"vec3",vec4:"vec4",ivec4:"vec4",uvec4:"vec4",bvec4:"vec4",mat2:"mat2x2",imat2:"mat2x2",umat2:"mat2x2",bmat2:"mat2x2",mat3:"mat3x3",imat3:"mat3x3",umat3:"mat3x3",bmat3:"mat3x3",mat4:"mat4x4",imat4:"mat4x4",umat4:"mat4x4",bmat4:"mat4x4"},NI={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"threejs_mod_float",mod_vec2:"threejs_mod_vec2",mod_vec3:"threejs_mod_vec3",mod_vec4:"threejs_mod_vec4",equals_bool:"threejs_equals_bool",equals_bvec2:"threejs_equals_bvec2",equals_bvec3:"threejs_equals_bvec3",equals_bvec4:"threejs_equals_bvec4",lessThanEqual:"threejs_lessThanEqual",greaterThan:"threejs_greaterThan",inversesqrt:"inverseSqrt",bitcast:"bitcast"},RI={threejs_xor:new Gg("\nfn threejs_xor( a : bool, b : bool ) -> bool {\n\n\treturn ( a || b ) && !( a && b );\n\n}\n"),lessThanEqual:new Gg("\nfn threejs_lessThanEqual( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x <= b.x, a.y <= b.y, a.z <= b.z );\n\n}\n"),greaterThan:new Gg("\nfn threejs_greaterThan( a : vec3, b : vec3 ) -> vec3 {\n\n\treturn vec3( a.x > b.x, a.y > b.y, a.z > b.z );\n\n}\n"),mod_float:new Gg("fn threejs_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Gg("fn threejs_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Gg("fn threejs_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Gg("fn threejs_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Gg("fn threejs_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Gg("fn threejs_equals_bvec2( a : vec2f, b : vec2f ) -> vec2 { return vec2( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Gg("fn threejs_equals_bvec3( a : vec3f, b : vec3f ) -> vec3 { return vec3( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Gg("fn threejs_equals_bvec4( a : vec4f, b : vec4f ) -> vec4 { return vec4( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping:new Gg("\nfn threejs_repeatWrapping( uv : vec2, dimension : vec2 ) -> vec2 {\n\n\tlet uvScaled = vec2( uv * vec2( dimension ) );\n\n\treturn ( ( uvScaled % dimension ) + dimension ) % dimension;\n\n}\n"),biquadraticTexture:new Gg("\nfn threejs_biquadraticTexture( map : texture_2d, coord : vec2f, level : i32 ) -> vec4f {\n\n\tlet res = vec2f( textureDimensions( map, level ) );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2i( iuv + vec2( 0.5, 0.5 ) ), level );\n\tlet rg2 = textureLoad( map, vec2i( iuv + vec2( 1.5, 0.5 ) ), level );\n\tlet rg3 = textureLoad( map, vec2i( iuv + vec2( 0.5, 1.5 ) ), level );\n\tlet rg4 = textureLoad( map, vec2i( iuv + vec2( 1.5, 1.5 ) ), level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")};class CI extends W_{constructor(t,e){super(t,e,new TI),this.uniformGroups={},this.builtins={}}needsColorSpaceToLinear(t){return!0===t.isVideoTexture&&t.colorSpace!==$e}_generateTextureSample(t,e,s,i,r=this.shaderStage){return"fragment"===r?i?`textureSample( ${e}, ${e}_sampler, ${s}, ${i} )`:`textureSample( ${e}, ${e}_sampler, ${s} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s):this.generateTextureLod(t,e,s,"0")}_generateVideoSample(t,e,s=this.shaderStage){if("fragment"===s)return`textureSampleBaseClampToEdge( ${t}, ${t}_sampler, vec2( ${e}.x, 1.0 - ${e}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${s} shader.`)}_generateTextureSampleLevel(t,e,s,i,r,n=this.shaderStage){return"fragment"===n&&!1===this.isUnfilterable(t)?`textureSampleLevel( ${e}, ${e}_sampler, ${s}, ${i} )`:this.isFilteredTexture(t)?this.generateFilteredTexture(t,e,s,i):this.generateTextureLod(t,e,s,i)}generateFilteredTexture(t,e,s,i="0"){return this._include("biquadraticTexture"),`threejs_biquadraticTexture( ${e}, ${s}, i32( ${i} ) )`}generateTextureLod(t,e,s,i="0"){this._include("repeatWrapping");return`textureLoad( ${e}, threejs_repeatWrapping( ${s}, ${`textureDimensions( ${e}, 0 )`} ), i32( ${i} ) )`}generateTextureLoad(t,e,s,i,r="0u"){return i?`textureLoad( ${e}, ${s}, ${i}, ${r} )`:`textureLoad( ${e}, ${s}, ${r} )`}generateTextureStore(t,e,s,i){return`textureStore( ${e}, ${s}, ${i} )`}isUnfilterable(t){return"float"!==this.getComponentTypeFromTexture(t)||!0===t.isDataTexture&&t.type===It}generateTexture(t,e,s,i,r=this.shaderStage){let n=null;return n=!0===t.isVideoTexture?this._generateVideoSample(e,s,r):this.isUnfilterable(t)?this.generateTextureLod(t,e,s,"0",i,r):this._generateTextureSample(t,e,s,i,r),n}generateTextureGrad(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${e}, ${e}_sampler, ${s}, ${i[0]}, ${i[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(t,e,s,i,r,n=this.shaderStage){if("fragment"===n)return`textureSampleCompare( ${e}, ${e}_sampler, ${s}, ${i} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(t,e,s,i,r,n=this.shaderStage){let o=null;return o=!0===t.isVideoTexture?this._generateVideoSample(e,s,n):this._generateTextureSampleLevel(t,e,s,i,r,n),o}getPropertyName(t,e=this.shaderStage){if(!0===t.isNodeVarying&&!0===t.needsInterpolation){if("vertex"===e)return`varyings.${t.name}`}else if(!0===t.isNodeUniform){const e=t.name,s=t.type;return"texture"===s||"cubeTexture"===s||"storageTexture"===s||"texture3D"===s?e:"buffer"===s||"storageBuffer"===s?`NodeBuffer_${t.id}.${e}`:t.groupNode.name+"."+e}return super.getPropertyName(t)}getOutputStructName(){return"output"}_getUniformGroupCount(t){return Object.keys(this.uniforms[t]).length}getFunctionOperator(t){const e=MI[t];return void 0!==e?(this._include(e),e):null}getStorageAccess(t){if(t.isStorageTextureNode)switch(t.access){case OM:return"read";case UM:return"write";default:return"read_write"}else switch(t.access){case PM:return"read_write";case FM:return"read";default:return"write"}}getUniformFromNode(t,e,s,i=null){const r=super.getUniformFromNode(t,e,s,i),n=this.getDataFromNode(t,s,this.globalCache);if(void 0===n.uniformGPU){let i;const o=t.groupNode,a=o.name,h=this.getBindGroupArray(a,s);if("texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e){let n=null;if("texture"===e||"storageTexture"===e?n=new BB(r.name,r.node,o,t.access?t.access:null):"cubeTexture"===e?n=new IB(r.name,r.node,o,t.access?t.access:null):"texture3D"===e&&(n=new PB(r.name,r.node,o,t.access?t.access:null)),n.store=!0===t.isStorageTextureNode,n.setVisibility(wI[s]),"fragment"===s&&!1===this.isUnfilterable(t.value)&&!1===n.store){const t=new hI(`${r.name}_sampler`,r.node,o);t.setVisibility(wI[s]),h.push(t,n),i=[t,n]}else h.push(n),i=[n]}else if("buffer"===e||"storageBuffer"===e){const r=new("storageBuffer"===e?cI:MB)(t,o);r.setVisibility(wI[s]),h.push(r),i=r}else{const t=this.uniformGroups[s]||(this.uniformGroups[s]={});let n=t[a];void 0===n&&(n=new RB(a,o),n.setVisibility(wI[s]),t[a]=n,h.push(n)),i=this.getNodeUniform(r,e),n.addUniform(i)}n.uniformGPU=i}return r}getBuiltin(t,e,s,i=this.shaderStage){const r=this.builtins[i]||(this.builtins[i]=new Map);return!1===r.has(t)&&r.set(t,{name:t,property:e,type:s}),e}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(t){const e=t.layout,s=this.flowShaderNode(t),i=[];for(const t of e.inputs)i.push(t.name+" : "+this.getType(t.type));return`fn ${e.name}( ${i.join(", ")} ) -> ${this.getType(e.type)} {\n${s.vars}\n${s.code}\n\treturn ${s.result};\n\n}`}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4")+".xyz"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}isFlipY(){return!1}getBuiltins(t){const e=[],s=this.builtins[t];if(void 0!==s)for(const{name:t,property:i,type:r}of s.values())e.push(`@builtin( ${t} ) ${i} : ${r}`);return e.join(",\n\t")}getAttributes(t){const e=[];if("compute"===t&&this.getBuiltin("global_invocation_id","id","vec3","attribute"),"vertex"===t||"compute"===t){const t=this.getBuiltins("attribute");t&&e.push(t);const s=this.getAttributesArray();for(let t=0,i=s.length;t`)}const i=this.getBuiltins("output");return i&&e.push(i),e.join(",\n")}getStructs(t){const e=[],s=this.structs[t];for(let t=0,i=s.length;t output : ${r};\n\n`)}return e.join("\n\n")}getVar(t,e){return`var ${e} : ${this.getType(t)}`}getVars(t){const e=[],s=this.vars[t];if(void 0!==s)for(const t of s)e.push(`\t${this.getVar(t.type,t.name)};`);return`\n${e.join("\n")}\n`}getVaryings(t){const e=[];if("vertex"===t&&this.getBuiltin("position","Vertex","vec4","vertex"),"vertex"===t||"fragment"===t){const s=this.varyings,i=this.vars[t];for(let r=0;r";else if(!0===e.isDataArrayTexture)i="texture_2d_array";else if(!0===e.isDepthTexture)i="texture_depth_2d";else if(!0===e.isVideoTexture)i="texture_external";else if(!0===e.isData3DTexture)i="texture_3d";else if(!0===r.node.isStorageTextureNode){i=`texture_storage_2d<${fI(e)}, ${this.getStorageAccess(r.node)}>`}else{i=`texture_2d<${this.getComponentTypeFromTexture(e).charAt(0)}32>`}s.push(`@binding( ${o.binding++} ) @group( ${o.group} ) var ${r.name} : ${i};`)}else if("buffer"===r.type||"storageBuffer"===r.type){const t=r.node,e=this.getType(t.bufferType),s=t.bufferCount,n=s>0?", "+s:"",a=`\t${r.name} : array< ${e}${n} >\n`,h=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t)}`:"uniform";i.push(this._getWGSLStructBinding("NodeBuffer_"+t.id,a,h,o.binding++,o.group))}else{const t=this.getType(this.getVectorType(r.type)),e=r.groupNode.name;(n[e]||(n[e]={index:o.binding++,id:o.group,snippets:[]})).snippets.push(`\t${r.name} : ${t}`)}}for(const t in n){const e=n[t];r.push(this._getWGSLStructBinding(t,e.snippets.join(",\n"),"uniform",e.index,e.id))}let o=s.join("\n");return o+=i.join("\n"),o+=r.join("\n"),o}buildCode(){const t=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};for(const e in t){const s=t[e];s.uniforms=this.getUniforms(e),s.attributes=this.getAttributes(e),s.varyings=this.getVaryings(e),s.structs=this.getStructs(e),s.vars=this.getVars(e),s.codes=this.getCodes(e);let i="// code\n\n";i+=this.flowCode[e];const r=this.flowNodes[e],n=r[r.length-1],o=n.outputNode,a=void 0!==o&&!0===o.isOutputStructNode;for(const t of r){const r=this.getFlowData(t),h=t.name;if(h&&(i.length>0&&(i+="\n"),i+=`\t// flow -> ${h}\n\t`),i+=`${r.code}\n\t`,t===n&&"compute"!==e)if(i+="// result\n\n\t","vertex"===e)i+=`varyings.Vertex = ${r.result};`;else if("fragment"===e)if(a)s.returnType=o.nodeType,i+=`return ${r.result};`;else{let t="\t@location(0) color: vec4";const e=this.getBuiltins("output");e&&(t+=",\n\t"+e),s.returnType="OutputStruct",s.structs+=this._getWGSLStruct("OutputStruct",t),s.structs+="\nvar output : OutputStruct;\n\n",i+=`output.color = ${r.result};\n\n\treturn output;`}}s.flow=i}null!==this.material?(this.vertexShader=this._getWGSLVertexCode(t.vertex),this.fragmentShader=this._getWGSLFragmentCode(t.fragment)):this.computeShader=this._getWGSLComputeCode(t.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(t,e=null){let s;return null!==e&&(s=this._getWGSLMethod(t+"_"+e)),void 0===s&&(s=this._getWGSLMethod(t)),s||t}getType(t){return AI[t]||t}isAvailable(t){let e=SI[t];return void 0===e&&("float32Filterable"===t&&(e=this.renderer.hasFeature("float32-filterable")),SI[t]=e),e}_getWGSLMethod(t){return void 0!==RI[t]&&this._include(t),NI[t]}_include(t){const e=RI[t];return e.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e),e}_getWGSLVertexCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// varyings\n${t.varyings}\nvar varyings : VaryingsStruct;\n\n// codes\n${t.codes}\n\n@vertex\nfn main( ${t.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(t){return`${this.getSignature()}\n\n// uniforms\n${t.uniforms}\n\n// structs\n${t.structs}\n\n// codes\n${t.codes}\n\n@fragment\nfn main( ${t.varyings} ) -> ${t.returnType} {\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLComputeCode(t,e){return`${this.getSignature()}\n// system\nvar instanceIndex : u32;\n\n// uniforms\n${t.uniforms}\n\n// codes\n${t.codes}\n\n@compute @workgroup_size( ${e} )\nfn main( ${t.attributes} ) {\n\n\t// system\n\tinstanceIndex = id.x;\n\n\t// vars\n\t${t.vars}\n\n\t// flow\n\t${t.flow}\n\n}\n`}_getWGSLStruct(t,e){return`\nstruct ${t} {\n${e}\n};`}_getWGSLStructBinding(t,e,s,i=0,r=0){const n=t+"Struct";return`${this._getWGSLStruct(n,e)}\n@binding( ${i} ) @group( ${r} )\nvar<${s}> ${t} : ${n};`}}class EI{constructor(t){this.backend=t}getCurrentDepthStencilFormat(t){let e;return null!==t.depthTexture?e=this.getTextureFormatGPU(t.depthTexture):t.depth&&t.stencil?e=KS.Depth24PlusStencil8:t.depth&&(e=KS.Depth24Plus),e}getTextureFormatGPU(t){return this.backend.get(t).texture.format}getCurrentColorFormat(t){let e;return e=null!==t.textures?this.getTextureFormatGPU(t.textures[0]):KS.BGRA8Unorm,e}getCurrentColorSpace(t){return null!==t.textures?t.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(t,e){return t.isPoints?BS:t.isLineSegments||t.isMesh&&!0===e.wireframe?IS:t.isLine?PS:t.isMesh?FS:void 0}getSampleCount(t){return null!==t.textures?t.sampleCount:this.backend.parameters.sampleCount}}const BI=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),II=new Map([[mn,["float16"]]]),PI=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class FI{constructor(t){this.backend=t}createAttribute(t,e){const s=this._getBufferAttribute(t),i=this.backend,r=i.get(s);let n=r.buffer;if(void 0===n){const o=i.device;let a=s.array;if(!1===t.normalized&&(a.constructor===Int16Array||a.constructor===Uint16Array)){const t=new Uint32Array(a.length);for(let e=0;e1&&(e=Math.pow(2,Math.floor(Math.log2(e))),2===e&&(e=4)),e}createRenderPipeline(t,e){const{object:s,material:i,geometry:r,pipeline:n}=t,{vertexProgram:o,fragmentProgram:a}=n,h=this.backend,l=h.device,u=h.utils,c=h.get(n),d=[];for(const e of t.getBindings()){const t=h.get(e);d.push(t.layout)}const p=h.attributeUtils.createShaderVertexBuffers(t);let g;!0===i.transparent&&i.blending!==m&&(g=this._getBlending(i));let f={};!0===i.stencilWrite&&(f={compare:this._getStencilCompare(i),failOp:this._getStencilOperation(i.stencilFail),depthFailOp:this._getStencilOperation(i.stencilZFail),passOp:this._getStencilOperation(i.stencilZPass)});const y=this._getColorWriteMask(i),x=[];if(null!==t.context.textures){const e=t.context.textures;for(let t=0;t{l.createRenderPipelineAsync(M).then((e=>{c.pipeline=e,t()}))}));e.push(t)}}createBundleEncoder(t,e){const s=this.backend,{utils:i,device:r}=s,n=s.get(t),o=s.get(e),a=i.getCurrentDepthStencilFormat(t),h={label:"renderBundleEncoder",colorFormats:[i.getCurrentColorFormat(t)],depthStencilFormat:a,sampleCount:this._getSampleCount(e.context)},l=r.createRenderBundleEncoder(h);return o.bundleEncoder=l,n.currentSets={attributes:{}},n._renderBundleViewport=t.width+"_"+t.height,l}createComputePipeline(t,e){const s=this.backend,i=s.device,r=s.get(t.computeProgram).module,n=s.get(t),o=[];for(const t of e){const e=s.get(t);o.push(e.layout)}n.pipeline=i.createComputePipeline({compute:r,layout:i.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(t){let e,s;const i=t.blending,r=t.blendSrc,n=t.blendDst,o=t.blendEquation;if(5===i){const i=null!==t.blendSrcAlpha?t.blendSrcAlpha:r,a=null!==t.blendDstAlpha?t.blendDstAlpha:n,h=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;e={srcFactor:this._getBlendFactor(r),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(o)},s={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(a),operation:this._getBlendOperation(h)}}else{const r=(t,i,r,n)=>{e={srcFactor:t,dstFactor:i,operation:xM},s={srcFactor:r,dstFactor:n,operation:xM}};if(t.premultipliedAlpha)switch(i){case 1:r(lM,uM,oM,uM);break;case 2:r(lM,oM,oM,oM);break;case 3:r(nM,hM,nM,oM);break;case 4:r(nM,aM,nM,lM)}else switch(i){case 1:r(lM,uM,oM,uM);break;case 2:r(lM,oM,lM,oM);break;case 3:r(nM,hM,nM,oM);break;case 4:r(nM,aM,nM,aM)}}if(void 0!==e&&void 0!==s)return{color:e,alpha:s};console.error("THREE.WebGPURenderer: Invalid blending: ",i)}_getBlendFactor(t){let e;switch(t){case 200:e=nM;break;case 201:e=oM;break;case 202:e=aM;break;case 203:e=hM;break;case C:e=lM;break;case E:e=uM;break;case 208:e=cM;break;case 209:e=dM;break;case 206:e=pM;break;case 207:e=mM;break;case 210:e=gM;break;case 211:e=fM;break;case 212:e=yM;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",t)}return e}_getStencilCompare(t){let e;const s=t.stencilFunc;switch(s){case 512:e=OS;break;case ys:e=WS;break;case 513:e=zS;break;case 515:e=VS;break;case 514:e=LS;break;case 518:e=GS;break;case 516:e=DS;break;case 517:e=kS;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",s)}return e}_getStencilOperation(t){let e;switch(t){case is:e=MM;break;case 0:e=AM;break;case 7681:e=NM;break;case 5386:e=RM;break;case 7682:e=CM;break;case 7683:e=EM;break;case 34055:e=BM;break;case 34056:e=IM;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",e)}return e}_getBlendOperation(t){let e;switch(t){case v:e=xM;break;case 101:e=bM;break;case 102:e=vM;break;case 103:e=TM;break;case 104:e=_M;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",t)}return e}_getPrimitiveState(t,e,s){const i={},r=this.backend.utils;switch(i.topology=r.getPrimitiveTopology(t,s),null!==e.index&&!0===t.isLine&&!0!==t.isLineSegments&&(i.stripIndexFormat=e.index.array instanceof Uint16Array?ZS:QS),s.side){case c:i.frontFace=$S,i.cullMode=JS;break;case d:i.frontFace=$S,i.cullMode=YS;break;case 2:i.frontFace=$S,i.cullMode=XS;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",s.side)}return i}_getColorWriteMask(t){return!0===t.colorWrite?SM:wM}_getDepthCompare(t){let e;if(!1===t.depthTest)e=WS;else{const s=t.depthFunc;switch(s){case 0:e=OS;break;case 1:e=WS;break;case 2:e=zS;break;case 3:e=VS;break;case 4:e=LS;break;case 5:e=GS;break;case 6:e=DS;break;case 7:e=kS;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",s)}}return e}}class zI extends GB{constructor(t={}){super(t),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===t.alpha||t.alpha,this.parameters.antialias=!0===t.antialias,!0===this.parameters.antialias?this.parameters.sampleCount=void 0===t.sampleCount?4:t.sampleCount:this.parameters.sampleCount=1,this.parameters.requiredLimits=void 0===t.requiredLimits?{}:t.requiredLimits,this.trackTimestamp=!0===t.trackTimestamp,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new EI(this),this.attributeUtils=new FI(this),this.bindingUtils=new UI(this),this.pipelineUtils=new OI(this),this.textureUtils=new gI(this),this.occludedResolveCache=new Map}async init(t){await super.init(t);const e=this.parameters;let s;if(void 0===e.device){const t={powerPreference:e.powerPreference},i=await navigator.gpu.requestAdapter(t);if(null===i)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const r=Object.values(JM),n=[];for(const t of r)i.features.has(t)&&n.push(t);const o={requiredFeatures:n,requiredLimits:e.requiredLimits};s=await i.requestDevice(o)}else s=e.device;const i=void 0!==e.context?e.context:t.domElement.getContext("webgpu");this.device=s,this.context=i;const r=e.alpha?"premultiplied":"opaque";this.context.configure({device:this.device,format:KS.BGRA8Unorm,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:r}),this.updateSize()}get coordinateSystem(){return Ls}async getArrayBufferAsync(t){return await this.attributeUtils.getArrayBufferAsync(t)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let t=this.defaultRenderPassdescriptor;const e=this.parameters.antialias;if(null===t){const s=this.renderer;t={colorAttachments:[{view:null}],depthStencilAttachment:{view:this.textureUtils.getDepthBuffer(s.depth,s.stencil).createView()}};const i=t.colorAttachments[0];!0===e?i.view=this.colorBuffer.createView():i.resolveTarget=void 0,this.defaultRenderPassdescriptor=t}const s=t.colorAttachments[0];return!0===e?s.resolveTarget=this.context.getCurrentTexture().createView():s.view=this.context.getCurrentTexture().createView(),t}_getRenderPassDescriptor(t){const e=t.renderTarget,s=this.get(e);let i=s.descriptors;void 0===i&&(i=[],s.descriptors=i),s.width===e.width&&s.height===e.height&&s.activeMipmapLevel===e.activeMipmapLevel&&s.samples===e.samples||(i.length=0);let r=i[t.activeCubeFace];if(void 0===r){const n=t.textures,o=[];for(let e=0;e0&&(e.currentOcclusionQuerySet&&e.currentOcclusionQuerySet.destroy(),e.currentOcclusionQueryBuffer&&e.currentOcclusionQueryBuffer.destroy(),e.currentOcclusionQuerySet=e.occlusionQuerySet,e.currentOcclusionQueryBuffer=e.occlusionQueryBuffer,e.currentOcclusionQueryObjects=e.occlusionQueryObjects,r=s.createQuerySet({type:"occlusion",count:i}),e.occlusionQuerySet=r,e.occlusionQueryIndex=0,e.occlusionQueryObjects=new Array(i),e.lastOcclusionObject=null),n=null===t.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(t),this.initTimestampQuery(t,n),n.occlusionQuerySet=r;const o=n.depthStencilAttachment;if(null!==t.textures){const e=n.colorAttachments;for(let s=0;s0&&(e.registerBundlesPhase=!1,e.currentPass.executeBundles(e.renderBundles)),s>e.occlusionQueryIndex&&e.currentPass.endOcclusionQuery(),e.currentPass.end(),s>0){const i=8*s;let r=this.occludedResolveCache.get(i);void 0===r&&(r=this.device.createBuffer({size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(i,r));const n=this.device.createBuffer({size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});e.encoder.resolveQuerySet(e.occlusionQuerySet,0,s,r,0),e.encoder.copyBufferToBuffer(r,0,n,0,i),e.occlusionQueryBuffer=n,this.resolveOccludedAsync(t)}if(this.prepareTimestampBuffer(t,e.encoder),this.device.queue.submit([e.encoder.finish()]),null!==t.textures){const e=t.textures;for(let t=0;t1?0:s;g.drawIndexed(e[s]/n,i,t[s]/4,0,o)}}else if(!0===y){const t=b.count!==1/0?b.count:f.count;g.drawIndexed(t,T,v,0,0),e.update(s,t,T)}else{const t=i.attributes.position,r=b.count!==1/0?b.count:t.count;g.draw(r,T,v,0),e.update(s,r,T)}if(this.renderer._currentRenderBundle){const t=g.finish();u.lastPipelineGPU=h,u.renderBundle=t,u.bundleEncoder=g}}}needsRenderUpdate(t){const e=this.get(t),{object:s,material:i}=t,r=this.utils,n=r.getSampleCount(t.context),o=r.getCurrentColorSpace(t.context),a=r.getCurrentColorFormat(t.context),h=r.getCurrentDepthStencilFormat(t.context),l=r.getPrimitiveTopology(s,i);let u=!1;return e.material===i&&e.materialVersion===i.version&&e.transparent===i.transparent&&e.blending===i.blending&&e.premultipliedAlpha===i.premultipliedAlpha&&e.blendSrc===i.blendSrc&&e.blendDst===i.blendDst&&e.blendEquation===i.blendEquation&&e.blendSrcAlpha===i.blendSrcAlpha&&e.blendDstAlpha===i.blendDstAlpha&&e.blendEquationAlpha===i.blendEquationAlpha&&e.colorWrite===i.colorWrite&&e.depthWrite===i.depthWrite&&e.depthTest===i.depthTest&&e.depthFunc===i.depthFunc&&e.stencilWrite===i.stencilWrite&&e.stencilFunc===i.stencilFunc&&e.stencilFail===i.stencilFail&&e.stencilZFail===i.stencilZFail&&e.stencilZPass===i.stencilZPass&&e.stencilFuncMask===i.stencilFuncMask&&e.stencilWriteMask===i.stencilWriteMask&&e.side===i.side&&e.alphaToCoverage===i.alphaToCoverage&&e.sampleCount===n&&e.colorSpace===o&&e.colorFormat===a&&e.depthStencilFormat===h&&e.primitiveTopology===l&&e.clippingContextVersion===t.clippingContextVersion||(e.material=i,e.materialVersion=i.version,e.transparent=i.transparent,e.blending=i.blending,e.premultipliedAlpha=i.premultipliedAlpha,e.blendSrc=i.blendSrc,e.blendDst=i.blendDst,e.blendEquation=i.blendEquation,e.blendSrcAlpha=i.blendSrcAlpha,e.blendDstAlpha=i.blendDstAlpha,e.blendEquationAlpha=i.blendEquationAlpha,e.colorWrite=i.colorWrite,e.depthWrite=i.depthWrite,e.depthTest=i.depthTest,e.depthFunc=i.depthFunc,e.stencilWrite=i.stencilWrite,e.stencilFunc=i.stencilFunc,e.stencilFail=i.stencilFail,e.stencilZFail=i.stencilZFail,e.stencilZPass=i.stencilZPass,e.stencilFuncMask=i.stencilFuncMask,e.stencilWriteMask=i.stencilWriteMask,e.side=i.side,e.alphaToCoverage=i.alphaToCoverage,e.sampleCount=n,e.colorSpace=o,e.colorFormat=a,e.depthStencilFormat=h,e.primitiveTopology=l,e.clippingContextVersion=t.clippingContextVersion,u=!0),u}getRenderCacheKey(t){const{object:e,material:s}=t,i=this.utils,r=t.context;return[s.transparent,s.blending,s.premultipliedAlpha,s.blendSrc,s.blendDst,s.blendEquation,s.blendSrcAlpha,s.blendDstAlpha,s.blendEquationAlpha,s.colorWrite,s.depthWrite,s.depthTest,s.depthFunc,s.stencilWrite,s.stencilFunc,s.stencilFail,s.stencilZFail,s.stencilZPass,s.stencilFuncMask,s.stencilWriteMask,s.side,i.getSampleCount(r),i.getCurrentColorSpace(r),i.getCurrentColorFormat(r),i.getCurrentDepthStencilFormat(r),i.getPrimitiveTopology(e,s),t.clippingContextVersion].join()}createSampler(t){this.textureUtils.createSampler(t)}destroySampler(t){this.textureUtils.destroySampler(t)}createDefaultTexture(t){this.textureUtils.createDefaultTexture(t)}createTexture(t,e){this.textureUtils.createTexture(t,e)}updateTexture(t,e){this.textureUtils.updateTexture(t,e)}generateMipmaps(t){this.textureUtils.generateMipmaps(t)}destroyTexture(t){this.textureUtils.destroyTexture(t)}copyTextureToBuffer(t,e,s,i,r){return this.textureUtils.copyTextureToBuffer(t,e,s,i,r)}initTimestampQuery(t,e){if(!this.hasFeature(JM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(!s.timeStampQuerySet){const t=this.device.createQuerySet({type:"timestamp",count:2}),i={querySet:t,beginningOfPassWriteIndex:0,endOfPassWriteIndex:1};Object.assign(e,{timestampWrites:i}),s.timeStampQuerySet=t}}prepareTimestampBuffer(t,e){if(!this.hasFeature(JM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t),i=2*BigInt64Array.BYTES_PER_ELEMENT;void 0===s.currentTimestampQueryBuffers&&(s.currentTimestampQueryBuffers={resolveBuffer:this.device.createBuffer({label:"timestamp resolve buffer",size:i,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),resultBuffer:this.device.createBuffer({label:"timestamp result buffer",size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),isMappingPending:!1});const{resolveBuffer:r,resultBuffer:n,isMappingPending:o}=s.currentTimestampQueryBuffers;!0!==o&&(e.resolveQuerySet(s.timeStampQuerySet,0,2,r,0),e.copyBufferToBuffer(r,0,n,0,i))}async resolveTimestampAsync(t,e="render"){if(!this.hasFeature(JM.TimestampQuery)||!this.trackTimestamp)return;const s=this.get(t);if(void 0===s.currentTimestampQueryBuffers)return;const{resultBuffer:i,isMappingPending:r}=s.currentTimestampQueryBuffers;!0!==r&&(s.currentTimestampQueryBuffers.isMappingPending=!0,i.mapAsync(GPUMapMode.READ).then((()=>{const t=new BigUint64Array(i.getMappedRange()),r=Number(t[1]-t[0])/1e6;this.renderer.info.updateTimestamp(e,r),i.unmap(),s.currentTimestampQueryBuffers.isMappingPending=!1})))}createNodeBuilder(t,e){return new CI(t,e)}createProgram(t){this.get(t).module={module:this.device.createShaderModule({code:t.code,label:t.stage}),entryPoint:"main"}}destroyProgram(t){this.delete(t)}createRenderPipeline(t,e){this.pipelineUtils.createRenderPipeline(t,e)}createComputePipeline(t,e){this.pipelineUtils.createComputePipeline(t,e)}createBundleEncoder(t,e){return this.pipelineUtils.createBundleEncoder(t,e)}createBindings(t){this.bindingUtils.createBindings(t)}updateBindings(t){this.bindingUtils.createBindings(t)}updateBinding(t){this.bindingUtils.updateBinding(t)}createIndexAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(t){this.attributeUtils.createAttribute(t,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(t){this.attributeUtils.updateAttribute(t)}destroyAttribute(t){this.attributeUtils.destroyAttribute(t)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(t){return this.device.features.has(t)}copyTextureToTexture(t,e,s=null,i=null,r=0){let n=0,o=0,a=0,h=0,l=t.image.width,u=t.image.height;null!==s&&(a=s.x,h=s.y,l=s.width,u=s.height),null!==i&&(n=i.x,o=i.y);const c=this.device.createCommandEncoder({label:"copyTextureToTexture_"+t.id+"_"+e.id}),d=this.get(t).texture,p=this.get(e).texture;c.copyTextureToTexture({texture:d,mipLevel:r,origin:{x:a,y:h,z:0}},{texture:p,mipLevel:r,origin:{x:n,y:o,z:0}},[l,u]),this.device.queue.submit([c.finish()])}copyFramebufferToTexture(t,e){const s=this.get(e),{encoder:i,descriptor:r}=s;let n=null;n=e.renderTarget?t.isDepthTexture?this.get(e.depthTexture).texture:this.get(e.textures[0]).texture:t.isDepthTexture?this.textureUtils.getDepthBuffer(e.depth,e.stencil):this.context.getCurrentTexture();const o=this.get(t).texture;n.format===o.format?(s.currentPass.end(),i.copyTextureToTexture({texture:n,origin:{x:0,y:0,z:0}},{texture:o},[t.image.width,t.image.height]),t.generateMipmaps&&this.textureUtils.generateMipmaps(t),r.colorAttachments[0].loadOp=HS,e.depth&&(r.depthStencilAttachment.depthLoadOp=HS),e.stencil&&(r.depthStencilAttachment.stencilLoadOp=HS),s.currentPass=i.beginRenderPass(r),s.currentSets={attributes:{}}):console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",n.format,o.format)}}class LI extends vB{constructor(t={}){let e;t.forceWebGL?e=oI:xd.isAvailable()?e=zI:(e=oI,console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."));super(new e(t),t),this.isWebGPURenderer=!0}}const VI=new nS(new XT);class DI{constructor(t,e=gm(0,0,1,1)){this.renderer=t,this.outputNode=e}render(){VI.material.fragmentNode=this.outputNode,VI.render(this.renderer)}renderAsync(){return VI.material.fragmentNode=this.outputNode,VI.renderAsync(this.renderer)}set needsUpdate(t){VI.material.needsUpdate=t}}class kI extends bi{constructor(t=1,e=1){super(),this.image={width:t,height:e},this.magFilter=Tt,this.minFilter=Tt,this.isStorageTexture=!0}}class GI extends on{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageBufferAttribute=!0}}class WI extends Go{constructor(t,e,s=Float32Array){!1===ArrayBuffer.isView(t)&&(t=new s(t*e)),super(t,e),this.isStorageInstancedBufferAttribute=!0}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{et as ACESFilmicToneMapping,Av as AONode,v as AddEquation,J as AddOperation,Ve as AdditiveAnimationBlendMode,f as AdditiveBlending,cN as AfterImageNode,it as AgXToneMapping,Lt as AlphaFormat,Ms as AlwaysCompare,k as AlwaysDepth,ys as AlwaysStencilFunc,Cu as AmbientLight,aR as AmbientLightNode,vv as AnalyticLightNode,mN as AnamorphicNode,bc as AnimationAction,Ql as AnimationClip,au as AnimationLoader,Tc as AnimationMixer,xc as AnimationObjectGroup,Vl as AnimationUtils,th as ArcCurve,Yu as ArrayCamera,up as ArrayElementNode,pd as ArrowHelper,Om as AssignNode,nt as AttachedBindMode,Dm as AttributeNode,ic as Audio,lc as AudioAnalyser,Wu as AudioContext,sc as AudioListener,ju as AudioLoader,md as AxesHelper,kR as BRDF_GGX,AR as BRDF_Lambert,d as BackSide,We as BasicDepthPacking,a as BasicShadowMap,tv as BatchNode,_a as BatchedMesh,dA as BlendModeNode,zo as Bone,Hl as BooleanKeyframeTrack,Fc as Box2,Bi as Box3,hd as Box3Helper,Wn as BoxGeometry,ad as BoxHelper,hv as Break,on as BufferAttribute,kb as BufferAttributeNode,wn as BufferGeometry,Ou as BufferGeometryLoader,rx as BufferNode,bA as BumpMapNode,Gm as BypassNode,Nt as ByteType,tu as Cache,jm as CacheNode,qn as Camera,rd as CameraHelper,Ja as CanvasTexture,Th as CapsuleGeometry,oh as CatmullRomCurve3,uR as CheckerNode,tt as CineonToneMapping,_h as CircleGeometry,mt as ClampToEdgeWrapping,Ju as Clock,Gg as CodeNode,$r as Color,SA as ColorAdjustmentNode,ql as ColorKeyframeTrack,ui as ColorManagement,jy as ColorSpaceNode,Xa as CompressedArrayTexture,Ya as CompressedCubeTexture,$a as CompressedTexture,hu as CompressedTextureLoader,$N as ComputeNode,Dv as CondNode,Sh as ConeGeometry,yp as ConstNode,L as ConstantAlphaFactor,O as ConstantColorFactor,qm as ContextNode,av as Continue,cp as ConvertNode,Qn as CubeCamera,ht as CubeReflectionMapping,lt as CubeRefractionMapping,Kn as CubeTexture,uu as CubeTextureLoader,fv as CubeTextureNode,dt as CubeUVReflectionMapping,uh as CubicBezierCurve,ch as CubicBezierCurve3,kl as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,o as CullFaceFrontBack,i as CullFaceNone,Qa as Curve,xh as CurvePath,b as CustomBlending,st as CustomToneMapping,wh as CylinderGeometry,Ic as Cylindrical,GR as DFGApprox,LR as D_GGX,Mi as Data3DTexture,wi as DataArrayTexture,Lo as DataTexture,cu as DataTextureLoader,sn as DataUtils,os as DecrementStencilOp,hs as DecrementWrapStencilOp,su as DefaultLoadingManager,Wt as DepthFormat,xN as DepthOfFieldNode,jt as DepthStencilFormat,Za as DepthTexture,ot as DetachedBindMode,Ru as DirectionalLight,ed as DirectionalLightHelper,KN as DirectionalLightNode,nw as DiscardNode,Wl as DiscreteInterpolant,Je as DisplayP3ColorSpace,Ah as DodecahedronGeometry,vN as DotScreenNode,p as DoubleSide,B as DstAlphaFactor,P as DstColorFactor,Ps as DynamicCopyUsage,Ns as DynamicDrawUsage,Es as DynamicReadUsage,If as EPSILON,Bh as EdgesGeometry,Ka as EllipseCurve,pT as EnvironmentNode,vs as EqualCompare,j as EqualDepth,ds as EqualStencilFunc,m_ as EquirectUVNode,ut as EquirectangularReflectionMapping,ct as EquirectangularRefractionMapping,mr as Euler,Vs as EventDispatcher,Jy as ExpressionNode,al as ExtrudeGeometry,MR as F_Schlick,ou as FileLoader,SN as FilmNode,mn as Float16BufferAttribute,gn as Float32BufferAttribute,It as FloatType,so as Fog,eo as FogExp2,kN as FogExp2Node,zN as FogNode,VN as FogRangeNode,qa as FramebufferTexture,jT as FrontFacingNode,c as FrontSide,ia as Frustum,RN as FunctionCallNode,$g as FunctionNode,lw as FunctionOverloadingNode,Ac as GLBufferAttribute,Us as GLSL1,Os as GLSL3,kC as GLSLNodeParser,aN as GaussianBlurNode,_s as GreaterCompare,q as GreaterDepth,Ss as GreaterEqualCompare,H as GreaterEqualDepth,fs as GreaterEqualStencilFunc,ms as GreaterStencilFunc,Jc as GridHelper,ja as Group,Pt as HalfFloatType,Y_ as HashNode,mu as HemisphereLight,Yc as HemisphereLightHelper,hR as HemisphereLightNode,nR as IESSpotLight,oR as IESSpotLightNode,Pf as INFINITY,ll as IcosahedronGeometry,tm as If,ku as ImageBitmapLoader,lu as ImageLoader,mi as ImageUtils,ns as IncrementStencilOp,as as IncrementWrapStencilOp,Ym as IndexNode,qb as InstanceNode,Go as InstancedBufferAttribute,Uu as InstancedBufferGeometry,Mc as InstancedInterleavedBuffer,Jo as InstancedMesh,mR as InstancedPointsNodeMaterial,un as Int16BufferAttribute,dn as Int32BufferAttribute,an as Int8BufferAttribute,Et as IntType,ro as InterleavedBuffer,oo as InterleavedBufferAttribute,Dl as Interpolant,Ie as InterpolateDiscrete,Pe as InterpolateLinear,Fe as InterpolateSmooth,ls as InvertStencilOp,fT as IrradianceNode,dp as JoinNode,is as KeepStencilOp,jl as KeyframeTrack,Ao as LOD,vh as LatheGeometry,gr as Layers,bs as LessCompare,G as LessDepth,Ts as LessEqualCompare,W as LessEqualDepth,ps as LessEqualStencilFunc,cs as LessStencilFunc,pu as Light,YN as LightNode,Iu as LightProbe,Nv as LightingContextNode,Km as LightingModel,xv as LightingNode,_v as LightsNode,Ba as Line,vR as Line2NodeMaterial,zc as Line3,wa as LineBasicMaterial,fR as LineBasicNodeMaterial,dh as LineCurve,ph as LineCurve3,Pl as LineDashedMaterial,xR as LineDashedNodeMaterial,Oa as LineLoop,Ua as LineSegments,Ze as LinearDisplayP3ColorSpace,Tt as LinearFilter,Gl as LinearInterpolant,Mt as LinearMipMapLinearFilter,wt as LinearMipMapNearestFilter,St as LinearMipmapLinearFilter,_t as LinearMipmapNearestFilter,Ye as LinearSRGBColorSpace,Q as LinearToneMapping,Qe as LinearTransfer,iu as Loader,Fu as LoaderUtils,eu as LoadingManager,nv as LoopNode,Ce as LoopOnce,Be as LoopPingPong,Ee as LoopRepeat,Gt as LuminanceAlphaFormat,kt as LuminanceFormat,AN as Lut3DNode,e as MOUSE,dw as MatcapUVNode,Jr as Material,Pu as MaterialLoader,Jx as MaterialNode,px as MaterialReferenceNode,Bf as MathNode,Js as MathUtils,Qs as Matrix3,rr as Matrix4,S as MaxEquation,Qy as MaxMipLevelNode,kn as Mesh,Zr as MeshBasicMaterial,SR as MeshBasicNodeMaterial,El as MeshDepthMaterial,Bl as MeshDistanceMaterial,Cl as MeshLambertMaterial,BR as MeshLambertNodeMaterial,Il as MeshMatcapMaterial,wC as MeshMatcapNodeMaterial,Rl as MeshNormalMaterial,_R as MeshNormalNodeMaterial,Al as MeshPhongMaterial,PR as MeshPhongNodeMaterial,Ml as MeshPhysicalMaterial,gC as MeshPhysicalNodeMaterial,yC as MeshSSSNodeMaterial,Sl as MeshStandardMaterial,pC as MeshStandardNodeMaterial,Nl as MeshToonMaterial,TC as MeshToonNodeMaterial,w as MinEquation,gt as MirroredRepeatWrapping,Y as MixOperation,Px as ModelNode,Vb as ModelViewProjectionNode,dv as MorphNode,x as MultiplyBlending,X as MultiplyOperation,ft as NearestFilter,vt as NearestMipMapLinearFilter,xt as NearestMipMapNearestFilter,bt as NearestMipmapLinearFilter,yt as NearestMipmapNearestFilter,rt as NeutralToneMapping,xs as NeverCompare,D as NeverDepth,us as NeverStencilFunc,m as NoBlending,$e as NoColorSpace,Z as NoToneMapping,op as Node,sg as NodeAttribute,W_ as NodeBuilder,lg as NodeCache,og as NodeCode,j_ as NodeFrame,H_ as NodeFunctionInput,ag as NodeKeywords,dR as NodeLoader,XT as NodeMaterial,PC as NodeMaterialLoader,FC as NodeObjectLoader,jd as NodeShaderStage,qd as NodeType,ig as NodeUniform,Hd as NodeUpdateType,ip as NodeUtils,rg as NodeVar,ng as NodeVarying,Le as NormalAnimationBlendMode,g as NormalBlending,IA as NormalMapNode,ws as NotEqualCompare,$ as NotEqualDepth,gs as NotEqualStencilFunc,$l as NumberKeyframeTrack,Br as Object3D,Mx as Object3DNode,zu as ObjectLoader,qe as ObjectSpaceNormalMap,ul as OctahedronGeometry,A as OneFactor,V as OneMinusConstantAlphaFactor,z as OneMinusConstantColorFactor,I as OneMinusDstAlphaFactor,F as OneMinusDstColorFactor,E as OneMinusSrcAlphaFactor,R as OneMinusSrcColorFactor,lf as OperatorNode,Au as OrthographicCamera,bw as OscNode,$_ as OutputStructNode,es as P3Primaries,h as PCFShadowMap,l as PCFSoftShadowMap,Ff as PI,Uf as PI2,B_ as PMREMGenerator,uT as PMREMNode,Sw as PackingNode,Dg as ParameterNode,eN as PassNode,bh as Path,Jn as PerspectiveCamera,CR as PhongLightingModel,cC as PhysicalLightingModel,ta as Plane,cl as PlaneGeometry,ld as PlaneHelper,Mu as PointLight,Hc as PointLightHelper,QN as PointLightNode,AS as PointUVNode,Ga as Points,za as PointsMaterial,MC as PointsNodeMaterial,Zc as PolarGridHelper,Mh as PolyhedronGeometry,hc as PositionalAudio,DI as PostProcessing,FA as PosterizeNode,yc as PropertyBinding,uc as PropertyMixer,ug as PropertyNode,nS as QuadMesh,mh as QuadraticBezierCurve,gh as QuadraticBezierCurve3,Ni as Quaternion,Yl as QuaternionKeyframeTrack,Xl as QuaternionLinearInterpolant,Ne as RED_GREEN_RGTC2_Format,Me as RED_RGTC1_Format,t as REVISION,je as RGBADepthPacking,Dt as RGBAFormat,Jt as RGBAIntegerFormat,be as RGBA_ASTC_10x10_Format,fe as RGBA_ASTC_10x5_Format,ye as RGBA_ASTC_10x6_Format,xe as RGBA_ASTC_10x8_Format,ve as RGBA_ASTC_12x10_Format,Te as RGBA_ASTC_12x12_Format,he as RGBA_ASTC_4x4_Format,le as RGBA_ASTC_5x4_Format,ue as RGBA_ASTC_5x5_Format,ce as RGBA_ASTC_6x5_Format,de as RGBA_ASTC_6x6_Format,pe as RGBA_ASTC_8x5_Format,me as RGBA_ASTC_8x6_Format,ge as RGBA_ASTC_8x8_Format,_e as RGBA_BPTC_Format,ae as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,ie as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Vt as RGBFormat,Yt as RGBIntegerFormat,_N as RGBShiftNode,we as RGB_BPTC_SIGNED_Format,Se as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,oe as RGB_ETC2_Format,se as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,Zt as RGB_S3TC_DXT1_Format,$t as RGFormat,Xt as RGIntegerFormat,hS as RTTNode,HN as RangeNode,wl as RawShaderMaterial,ir as Ray,Rc as Raycaster,ts as Rec709Primaries,Eu as RectAreaLight,iR as RectAreaLightNode,Ht as RedFormat,qt as RedIntegerFormat,ux as ReferenceNode,eS as ReflectorNode,K as ReinhardToneMapping,Nw as RemapNode,Ti as RenderTarget,dS as RendererReferenceNode,pt as RepeatWrapping,rs as ReplaceStencilOp,hw as Return,_ as ReverseSubtractEquation,dl as RingGeometry,Iw as RotateNode,Ew as RotateUVNode,Re as SIGNED_RED_GREEN_RGTC2_Format,Ae as SIGNED_RED_RGTC1_Format,Xe as SRGBColorSpace,Ke as SRGBTransfer,io as Scene,RS as SceneNode,jR as Schlick_to_F0,UN as ScriptableNode,EN as ScriptableValueNode,gp as SetNode,Hn as ShaderMaterial,Hp as ShaderNode,_l as ShadowMaterial,EC as ShadowNodeMaterial,Ih as Shape,pl as ShapeGeometry,gd as ShapePath,rl as ShapeUtils,Rt as ShortType,ko as Skeleton,Wc as SkeletonHelper,Oo as SkinnedMesh,sv as SkinningNode,fN as SobelOperatorNode,fi as Source,Yi as Sphere,ml as SphereGeometry,Bc as Spherical,Bu as SphericalHarmonics3,fh as SplineCurve,mp as SplitNode,vu as SpotLight,Vc as SpotLightHelper,rR as SpotLightNode,_o as Sprite,ao as SpriteMaterial,NC as SpriteNodeMaterial,Fw as SpriteSheetUVNode,C as SrcAlphaFactor,U as SrcAlphaSaturateFactor,N as SrcColorFactor,d_ as StackNode,Is as StaticCopyUsage,As as StaticDrawUsage,Cs as StaticReadUsage,Xu as StereoCamera,Ow as StorageArrayElementNode,GI as StorageBufferAttribute,ZM as StorageBufferNode,WI as StorageInstancedBufferAttribute,kI as StorageTexture,tA as StorageTextureNode,Fs as StreamCopyUsage,Rs as StreamDrawUsage,Bs as StreamReadUsage,Jl as StringKeyframeTrack,T as SubtractEquation,y as SubtractiveBlending,Ov as TBNViewMatrix,s as TOUCH,He as TangentSpaceNormalMap,lp as TempNode,gl as TetrahedronGeometry,bi as Texture,rA as Texture3DNode,SS as TextureBicubicNode,du as TextureLoader,tx as TextureNode,af as TextureSizeNode,mw as TimerNode,$A as ToneMappingNode,fl as TorusGeometry,yl as TorusKnotGeometry,Gr as Triangle,Ge as TriangleFanDrawMode,ke as TriangleStripDrawMode,De as TrianglesDrawMode,Lw as TriplanarTexturesNode,xl as TubeGeometry,at as UVMapping,cn as Uint16BufferAttribute,pn as Uint32BufferAttribute,hn as Uint8BufferAttribute,ln as Uint8ClampedBufferAttribute,_c as Uniform,Zg as UniformGroupNode,rf as UniformNode,Sc as UniformsGroup,ax as UniformsNode,At as UnsignedByteType,Ot as UnsignedInt248Type,zt as UnsignedInt5999Type,Bt as UnsignedIntType,Ft as UnsignedShort4444Type,Ut as UnsignedShort5551Type,Ct as UnsignedShortType,oA as UserDataNode,u as VSMShadowMap,OR as V_GGX_SmithCorrelated,tg as VarNode,Lm as VaryingNode,Zs as Vector2,Ri as Vector3,vi as Vector4,Zl as VectorKeyframeTrack,uS as VertexColorNode,Ha as VideoTexture,FT as ViewportDepthNode,IT as ViewportDepthTextureNode,bT as ViewportNode,ZA as ViewportSharedTextureNode,RT as ViewportTextureNode,BC as VolumeNodeMaterial,Ai as WebGL3DRenderTarget,Si as WebGLArrayRenderTarget,zs as WebGLCoordinateSystem,to as WebGLCubeRenderTarget,fd as WebGLMultipleRenderTargets,_i as WebGLRenderTarget,Ls as WebGPUCoordinateSystem,LI as WebGPURenderer,bl as WireframeGeometry,ze as WrapAroundEnding,Ue as ZeroCurvatureEnding,M as ZeroFactor,Oe as ZeroSlopeEnding,ss as ZeroStencilOp,iy as abs,ey as acos,uf as add,Mv as addLightNode,ap as addNodeClass,vp as addNodeElement,YT as addNodeMaterial,dN as afterImage,Of as all,wg as alphaT,gN as anamorphic,Tf as and,Sg as anisotropy,Ag as anisotropyB,Mg as anisotropyT,zf as any,em as append,Im as arrayBuffer,ty as asin,zm as assign,sy as atan,fy as atan2,km as attribute,CS as backgroundBlurriness,ES as backgroundIntensity,ev as batch,Mf as bitAnd,Af as bitNot,Nf as bitOr,Rf as bitXor,Ev as bitangentGeometry,Bv as bitangentLocal,Iv as bitangentView,Pv as bitangentWorld,my as bitcast,aT as blur,_m as bmat2,Am as bmat3,Em as bmat4,om as bool,nx as buffer,Gb as bufferAttribute,vA as bumpMap,pA as burn,um as bvec2,mm as bvec3,xm as bvec4,Wm as bypass,Hm as cache,CN as call,yx as cameraFar,xx as cameraLogDepth,fx as cameraNear,wx as cameraNormalMatrix,Sx as cameraPosition,bx as cameraProjectionMatrix,vx as cameraProjectionMatrixInverse,Tx as cameraViewMatrix,_x as cameraWorldMatrix,By as cbrt,Xf as ceil,cR as checker,Fy as clamp,fg as clearcoat,yg as clearcoatRoughness,Wg as code,sm as color,$y as colorSpaceToLinear,Aw as colorToDirection,XN as compute,kv as cond,$m as context,Fm as convert,Qf as cos,ii as createCanvasElement,hp as createNodeFromType,JT as createNodeMaterialFromType,My as cross,yv as cubeTexture,hy as dFdx,ly as dFdy,Bg as dashSize,Xd as defaultBuildStages,$d as defaultShaderStages,Wp as defined,Df as degrees,GN as densityFog,DT as depth,rN as depthPass,wy as difference,pg as diffuseColor,Mw as directionToColor,aw as discard,_y as distance,pf as div,mA as dodge,bN as dof,Sy as dot,TN as dotScreen,Qm as drawIndex,Wb as dynamicBufferAttribute,Pm as element,gf as equal,Lf as equals,g_ as equirectUV,kf as exp,Gf as exp2,Zy as expression,qT as faceDirection,Ly as faceForward,MN as film,im as float,$f as floor,LN as fog,Jf as fract,tf as frameGroup,xw as frameId,HT as frontFacing,py as fwidth,Q_ as gain,Ig as gapSize,hN as gaussianBlur,jp as getConstNodeType,Kp as getCurrentStack,iT as getDirection,ZN as getDistanceAttenuation,FR as getGeometryRoughness,UR as getRoughness,FN as global,qg as glsl,Yg as glslFn,xf as greaterThan,vf as greaterThanEqual,J_ as hash,NA as hue,vm as imat2,Sm as imat3,Rm as imat4,$b as instance,Zm as instanceIndex,jb as instancedBufferAttribute,Hb as instancedDynamicBufferAttribute,rm as int,qf as inverseSqrt,vg as iridescence,Tg as iridescenceIOR,_g as iridescenceThickness,hm as ivec2,dm as ivec3,fm as ivec4,jg as js,Xm as label,ny as length,Iy as lengthSq,yf as lessThan,bf as lessThanEqual,JN as lightTargetDirection,Rv as lightingContext,wv as lights,Sv as lightsNode,kT as linearDepth,qy as linearToColorSpace,Xy as linearTosRGB,Wf as log,jf as log2,ov as loop,RA as lumaCoeffs,CA as luminance,NN as lut3D,bm as mat2,wm as mat3,Nm as mat4,pw as matcapUV,Zx as materialAlphaTest,fb as materialAnisotropy,Ib as materialAnisotropyVector,ub as materialClearcoat,db as materialClearcoatNormal,cb as materialClearcoatRoughness,Qx as materialColor,Bb as materialDispersion,tb as materialEmissive,yb as materialIridescence,xb as materialIridescenceIOR,bb as materialIridescenceThickness,Cb as materialLineDashOffset,Ab as materialLineDashSize,Nb as materialLineGapSize,Mb as materialLineScale,Rb as materialLineWidth,hb as materialMetalness,lb as materialNormal,eb as materialOpacity,Eb as materialPointWidth,mx as materialReference,ob as materialReflectivity,pb as materialRotation,ab as materialRoughness,mb as materialSheen,gb as materialSheenRoughness,Kx as materialShininess,sb as materialSpecular,nb as materialSpecularStrength,xy as max,Ky as maxMipLevel,gg as metalness,yy as min,Py as mix,by as mod,Fx as modelDirection,Ox as modelNormalMatrix,Lx as modelPosition,Vx as modelScale,Ux as modelViewMatrix,Dx as modelViewPosition,Db as modelViewProjection,zx as modelWorldMatrix,kx as modelWorldMatrixInverse,pv as morphReference,df as mul,EE as mx_aastep,qE as mx_cell_noise_float,VE as mx_contrast,$E as mx_fractal_noise_float,XE as mx_fractal_noise_vec2,YE as mx_fractal_noise_vec3,JE as mx_fractal_noise_vec4,NE as mx_hsvtorgb,DE as mx_noise_float,kE as mx_noise_vec3,GE as mx_noise_vec4,IE as mx_ramplr,PE as mx_ramptb,RE as mx_rgbtohsv,LE as mx_safepower,UE as mx_splitlr,OE as mx_splittb,CE as mx_srgb_texture_to_lin_rec709,zE as mx_transform_uv,WE as mx_worley_noise_float,jE as mx_worley_noise_vec2,HE as mx_worley_noise_vec3,oy as negate,Xp as nodeArray,Jp as nodeImmutable,qp as nodeObject,$p as nodeObjects,Yp as nodeProxy,Gx as normalGeometry,Wx as normalLocal,PA as normalMap,jx as normalView,Hx as normalWorld,Yf as normalize,wf as not,Ax as objectDirection,sf as objectGroup,Rx as objectNormalMatrix,Ex as objectPosition,Bx as objectScale,Nx as objectViewMatrix,Ix as objectViewPosition,Cx as objectWorldMatrix,ay as oneMinus,_f as or,OT as orthographicDepthToViewZ,ww as oscSawtooth,vw as oscSine,Tw as oscSquare,_w as oscTriangle,Eg as output,X_ as outputStruct,gA as overlay,cw as overloadingFn,Z_ as parabola,zv as parallaxDirection,Lv as parallaxUV,kg as parameter,sN as pass,K_ as pcurve,LT as perspectiveDepthToViewZ,cT as pmremTexture,NS as pointUV,Pg as pointWidth,Pb as positionGeometry,Fb as positionLocal,zb as positionView,Lb as positionViewDirection,Ub as positionWorld,Ob as positionWorldDirection,UA as posterize,Ay as pow,Ny as pow2,Ry as pow3,Cy as pow4,cg as property,Vf as radians,Vy as rand,qN as range,DN as rangeFog,cy as reciprocal,cx as reference,dx as referenceBuffer,Ty as reflect,gv as reflectVector,mv as reflectView,sS as reflector,Oy as refract,mf as remainder,Rw as remap,Cw as remapClamp,ef as renderGroup,pS as rendererReference,wN as rgbShift,Pw as rotate,Bw as rotateUV,mg as roughness,uy as round,lS as rtt,Yy as sRGBToLinear,ix as sampler,Uy as saturate,MA as saturation,fA as screen,ON as scriptable,BN as scriptableValue,Qp as setCurrentStack,Yd as shaderStages,xg as sheen,bg as sheenRoughness,Cf as shiftLeft,Ef as shiftRight,Cg as shininess,ry as sign,Zf as sin,tw as sinc,iv as skinning,rv as skinningReference,zy as smoothstep,yN as sobel,Ng as specularColor,Um as split,Uw as spritesheetUV,Hf as sqrt,p_ as stack,vy as step,QM as storage,KM as storageObject,eA as storageTexture,Bm as string,cf as sub,Kf as tan,Xb as tangentGeometry,Yb as tangentLocal,Jb as tangentView,Zb as tangentWorld,eg as temp,ex as texture,nA as texture3D,MS as textureBicubic,rT as textureCubeUV,sx as textureLoad,iN as texturePass,hf as textureSize,sA as textureStore,EA as threshold,yw as timerDelta,fw as timerGlobal,gw as timerLocal,XA as toneMapping,Ey as transformDirection,Vv as transformedBentNormalView,Fv as transformedBitangentView,Uv as transformedBitangentWorld,Xx as transformedClearcoatNormalView,qx as transformedNormalView,$x as transformedNormalWorld,Qb as transformedTangentView,Kb as transformedTangentWorld,gy as transpose,iw as triNoise3D,Dw as triplanarTexture,Vw as triplanarTextures,dy as trunc,Zp as tslFn,nm as uint,Tm as umat2,Mm as umat3,Cm as umat4,nf as uniform,Qg as uniformGroup,hx as uniforms,aA as userData,of as uv,lm as uvec2,pm as uvec3,ym as uvec4,Vm as varying,dg as varyingProperty,am as vec2,cm as vec3,gm as vec4,Jd as vectorComponents,cS as vertexColor,Jm as vertexIndex,AA as vibrance,UT as viewZToOrthographicDepth,zT as viewZToPerspectiveDepth,_T as viewport,ST as viewportBottomLeft,AT as viewportBottomRight,vT as viewportCoordinate,PT as viewportDepthTexture,GT as viewportLinearDepth,ET as viewportMipTexture,TT as viewportResolution,QA as viewportSharedTexture,CT as viewportTexture,wT as viewportTopLeft,MT as viewportTopRight,Hg as wgsl,Jg as wgslFn,Sf as xor}; From 513ea1285a5f3712e0d582863473b27a8be84776 Mon Sep 17 00:00:00 2001 From: sunag Date: Mon, 1 Jul 2024 22:34:53 -0300 Subject: [PATCH 43/48] Compile `three.webgpu.js` for e2e tests (#28780) --- utils/build/rollup.config.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/utils/build/rollup.config.js b/utils/build/rollup.config.js index e33afaf9efe008..e47e6ba8a9e001 100644 --- a/utils/build/rollup.config.js +++ b/utils/build/rollup.config.js @@ -130,4 +130,4 @@ const builds = [ } ]; -export default ( args ) => args.configOnlyModule ? builds[ 0 ] : builds; +export default ( args ) => args.configOnlyModule ? [ builds[ 0 ], builds[ 3 ] ] : builds; From 716c5fd0c7c9f74874925b13e45a2deca65c35b5 Mon Sep 17 00:00:00 2001 From: Michael Herzog Date: Tue, 2 Jul 2024 17:50:58 +0200 Subject: [PATCH 44/48] TextureNode: Add `biasNode`. (#28786) --- src/nodes/accessors/TextureNode.js | 15 +++++++++++---- .../webgl-fallback/nodes/GLSLNodeBuilder.js | 6 ++++++ src/renderers/webgpu/nodes/WGSLNodeBuilder.js | 14 ++++++++++++++ 3 files changed, 31 insertions(+), 4 deletions(-) diff --git a/src/nodes/accessors/TextureNode.js b/src/nodes/accessors/TextureNode.js index d0e3ad2371ef79..1448ba8d4e5d96 100644 --- a/src/nodes/accessors/TextureNode.js +++ b/src/nodes/accessors/TextureNode.js @@ -12,7 +12,7 @@ import { IntType, UnsignedIntType } from '../../constants.js'; class TextureNode extends UniformNode { - constructor( value, uvNode = null, levelNode = null ) { + constructor( value, uvNode = null, levelNode = null, biasNode = null ) { super( value ); @@ -20,6 +20,7 @@ class TextureNode extends UniformNode { this.uvNode = uvNode; this.levelNode = levelNode; + this.biasNode = biasNode; this.compareNode = null; this.depthNode = null; this.gradNode = null; @@ -168,6 +169,7 @@ class TextureNode extends UniformNode { properties.uvNode = uvNode; properties.levelNode = levelNode; + properties.biasNode = this.biasNode; properties.compareNode = this.compareNode; properties.gradNode = this.gradNode; properties.depthNode = this.depthNode; @@ -180,7 +182,7 @@ class TextureNode extends UniformNode { } - generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, depthSnippet, compareSnippet, gradSnippet ) { + generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, biasSnippet, depthSnippet, compareSnippet, gradSnippet ) { const texture = this.value; @@ -190,6 +192,10 @@ class TextureNode extends UniformNode { snippet = builder.generateTextureLevel( texture, textureProperty, uvSnippet, levelSnippet, depthSnippet ); + } else if ( biasSnippet ) { + + snippet = builder.generateTextureBias( texture, textureProperty, uvSnippet, biasSnippet, depthSnippet ); + } else if ( gradSnippet ) { snippet = builder.generateTextureGrad( texture, textureProperty, uvSnippet, gradSnippet, depthSnippet ); @@ -242,10 +248,11 @@ class TextureNode extends UniformNode { if ( propertyName === undefined ) { - const { uvNode, levelNode, compareNode, depthNode, gradNode } = properties; + const { uvNode, levelNode, biasNode, compareNode, depthNode, gradNode } = properties; const uvSnippet = this.generateUV( builder, uvNode ); const levelSnippet = levelNode ? levelNode.build( builder, 'float' ) : null; + const biasSnippet = biasNode ? biasNode.build( builder, 'float' ) : null; const depthSnippet = depthNode ? depthNode.build( builder, 'int' ) : null; const compareSnippet = compareNode ? compareNode.build( builder, 'float' ) : null; const gradSnippet = gradNode ? [ gradNode[ 0 ].build( builder, 'vec2' ), gradNode[ 1 ].build( builder, 'vec2' ) ] : null; @@ -254,7 +261,7 @@ class TextureNode extends UniformNode { propertyName = builder.getPropertyName( nodeVar ); - const snippet = this.generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, depthSnippet, compareSnippet, gradSnippet ); + const snippet = this.generateSnippet( builder, textureProperty, uvSnippet, levelSnippet, biasSnippet, depthSnippet, compareSnippet, gradSnippet ); builder.addLineFlowCode( `${propertyName} = ${snippet}` ); diff --git a/src/renderers/webgl-fallback/nodes/GLSLNodeBuilder.js b/src/renderers/webgl-fallback/nodes/GLSLNodeBuilder.js index 1dd05d13a02ca0..21e902e8febe8c 100644 --- a/src/renderers/webgl-fallback/nodes/GLSLNodeBuilder.js +++ b/src/renderers/webgl-fallback/nodes/GLSLNodeBuilder.js @@ -301,6 +301,12 @@ ${ flowData.code } } + generateTextureBias( texture, textureProperty, uvSnippet, biasSnippet ) { + + return `texture( ${ textureProperty }, ${ uvSnippet }, ${ biasSnippet } )`; + + } + generateTextureGrad( texture, textureProperty, uvSnippet, gradSnippet ) { return `textureGrad( ${ textureProperty }, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`; diff --git a/src/renderers/webgpu/nodes/WGSLNodeBuilder.js b/src/renderers/webgpu/nodes/WGSLNodeBuilder.js index 2eb36d43eef66f..ed89c904020aa4 100644 --- a/src/renderers/webgpu/nodes/WGSLNodeBuilder.js +++ b/src/renderers/webgpu/nodes/WGSLNodeBuilder.js @@ -342,6 +342,20 @@ class WGSLNodeBuilder extends NodeBuilder { } + generateTextureBias( texture, textureProperty, uvSnippet, biasSnippet, depthSnippet, shaderStage = this.shaderStage ) { + + if ( shaderStage === 'fragment' ) { + + return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet } )`; + + } else { + + console.error( `WebGPURenderer: THREE.TextureNode.biasNode does not support ${ shaderStage } shader.` ); + + } + + } + getPropertyName( node, shaderStage = this.shaderStage ) { if ( node.isNodeVarying === true && node.needsInterpolation === true ) { From 74d2d41176eae26d1c6ab80713fe56b80e5f1dad Mon Sep 17 00:00:00 2001 From: sunag Date: Tue, 2 Jul 2024 12:51:10 -0300 Subject: [PATCH 45/48] TSL: Introduce `renderOutput()` (#28781) * Introduce `renderOutput()` * cleanup * cleanup * update * Update webgpu_postprocessing_3dlut.html * cleanup * rename defaultColorTransform -> outputColorTransform --- examples/webgpu_backdrop.html | 5 +- examples/webgpu_backdrop_area.html | 5 +- examples/webgpu_cubemap_adjustments.html | 4 +- examples/webgpu_cubemap_mix.html | 4 +- examples/webgpu_portal.html | 5 +- examples/webgpu_postprocessing_3dlut.html | 19 ++++--- examples/webgpu_skinning.html | 5 +- src/nodes/Nodes.js | 1 + src/nodes/display/AfterImageNode.js | 9 ---- src/nodes/display/PassNode.js | 8 +-- src/nodes/display/RenderOutputNode.js | 56 +++++++++++++++++++++ src/renderers/common/PostProcessing.js | 61 ++++++++++++++++++++--- src/renderers/common/Renderer.js | 21 +++++--- src/renderers/common/nodes/Nodes.js | 31 ++++++------ 14 files changed, 171 insertions(+), 63 deletions(-) create mode 100644 src/nodes/display/RenderOutputNode.js diff --git a/examples/webgpu_backdrop.html b/examples/webgpu_backdrop.html index d5617289e165af..59c7edd9f758b0 100644 --- a/examples/webgpu_backdrop.html +++ b/examples/webgpu_backdrop.html @@ -25,7 +25,7 @@