From 00a9cb0e5599611e9ac05b35a58f2d2cf9a9ecb0 Mon Sep 17 00:00:00 2001
From: Roman Liutikov <roman01la@romanliutikov.com>
Date: Fri, 29 Nov 2024 12:31:12 +0200
Subject: [PATCH] wip

---
 main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.js b/main.js
index 798298b..143f153 100644
--- a/main.js
+++ b/main.js
@@ -1,2 +1,2 @@
 /*! For license information please see main.js.LICENSE.txt */
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he(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function fe(e,t){return t.r=e.r,t.g=e.g,t.b=e.b,t}class pe{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t="srgb"){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,se.toWorkingColorSpace(this,t),this}setRGB(e,t,n,r="srgb-linear"){return this.r=e,this.g=t,this.b=n,se.toWorkingColorSpace(this,r),this}setHSL(e,t,n,r="srgb-linear"){if(e=X(e,1),t=W(t,0,1),n=W(n,0,1),0===t)this.r=this.g=this.b=n;else{const r=n<=.5?n*(1+t):n+t-n*t,i=2*n-r;this.r=he(i,r,e+1/3),this.g=he(i,r,e),this.b=he(i,r,e-1/3)}return se.toWorkingColorSpace(this,r),this}setStyle(e,t="srgb"){function n(t){void 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if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){const e=r[1],n=e.length;if(3===n)return this.r=parseInt(e.charAt(0)+e.charAt(0),16)/255,this.g=parseInt(e.charAt(1)+e.charAt(1),16)/255,this.b=parseInt(e.charAt(2)+e.charAt(2),16)/255,se.toWorkingColorSpace(this,t),this;if(6===n)return this.r=parseInt(e.charAt(0)+e.charAt(1),16)/255,this.g=parseInt(e.charAt(2)+e.charAt(3),16)/255,this.b=parseInt(e.charAt(4)+e.charAt(5),16)/255,se.toWorkingColorSpace(this,t),this}return e&&e.length>0?this.setColorName(e,t):this}setColorName(e,t="srgb"){const n=le[e.toLowerCase()];return void 0!==n?this.setHex(n,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=ie(e.r),this.g=ie(e.g),this.b=ie(e.b),this}copyLinearToSRGB(e){return this.r=oe(e.r),this.g=oe(e.g),this.b=oe(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e="srgb"){return se.fromWorkingColorSpace(fe(this,ue),e),W(255*ue.r,0,255)<<16^W(255*ue.g,0,255)<<8^W(255*ue.b,0,255)<<0}getHexString(e="srgb"){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t="srgb-linear"){se.fromWorkingColorSpace(fe(this,ue),t);const n=ue.r,r=ue.g,i=ue.b,o=Math.max(n,r,i),a=Math.min(n,r,i);let s,l;const u=(a+o)/2;if(a===o)s=0,l=0;else{const e=o-a;switch(l=u<=.5?e/(o+a):e/(2-o-a),o){case n:s=(r-i)/e+(r<i?6:0);break;case r:s=(i-n)/e+2;break;case i:s=(n-r)/e+4}s/=6}return e.h=s,e.s=l,e.l=u,e}getRGB(e,t="srgb-linear"){return se.fromWorkingColorSpace(fe(this,ue),t),e.r=ue.r,e.g=ue.g,e.b=ue.b,e}getStyle(e="srgb"){return se.fromWorkingColorSpace(fe(this,ue),e),e!==I?`color(${e} ${ue.r} ${ue.g} ${ue.b})`:`rgb(${255*ue.r|0},${255*ue.g|0},${255*ue.b|0})`}offsetHSL(e,t,n){return this.getHSL(ce),ce.h+=e,ce.s+=t,ce.l+=n,this.setHSL(ce.h,ce.s,ce.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(ce),e.getHSL(de);const n=$(ce.h,de.h,t),r=$(ce.s,de.s,t),i=$(ce.l,de.l,t);return this.setHSL(n,r,i),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}let me;pe.NAMES=le;class ge{static getDataURL(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===me&&(me=re("canvas")),me.width=e.width,me.height=e.height;const n=me.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=me}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){const t=re("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const r=n.getImageData(0,0,e.width,e.height),i=r.data;for(let e=0;e<i.length;e++)i[e]=255*ie(i[e]/255);return n.putImageData(r,0,0),t}if(e.data){const t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*ie(t[e]/255)):t[e]=ie(t[e]);return{data:t,width:e.width,height:e.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}class ve{constructor(e=null){this.isSource=!0,this.uuid=G(),this.data=e,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];const n={uuid:this.uuid,url:""},r=this.data;if(null!==r){let e;if(Array.isArray(r)){e=[];for(let t=0,n=r.length;t<n;t++)r[t].isDataTexture?e.push(ye(r[t].image)):e.push(ye(r[t]))}else e=ye(r);n.url=e}return t||(e.images[this.uuid]=n),n}}function ye(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?ge.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let xe=0;class be extends F{constructor(e=be.DEFAULT_IMAGE,t=be.DEFAULT_MAPPING,n=1001,r=1001,i=1006,o=1008,a=1023,s=1009,l=1,u=3e3){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:xe++}),this.uuid=G(),this.name="",this.source=new ve(e),this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=r,this.magFilter=i,this.minFilter=o,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=s,this.offset=new ee(0,0),this.repeat=new ee(1,1),this.center=new ee(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new te,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(e){this.source.data=e}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(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,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,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case l:e.x=e.x-Math.floor(e.x);break;case u:e.x=e.x<0?0:1;break;case c:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case l:e.y=e.y-Math.floor(e.y);break;case u:e.y=e.y<0?0:1;break;case c:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}}be.DEFAULT_IMAGE=null,be.DEFAULT_MAPPING=300;class _e{constructor(e=0,t=0,n=0,r=1){_e.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,r){return this.x=e,this.y=t,this.z=n,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){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: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=this.w,o=e.elements;return this.x=o[0]*t+o[4]*n+o[8]*r+o[12]*i,this.y=o[1]*t+o[5]*n+o[9]*r+o[13]*i,this.z=o[2]*t+o[6]*n+o[10]*r+o[14]*i,this.w=o[3]*t+o[7]*n+o[11]*r+o[15]*i,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,r,i;const o=.01,a=.1,s=e.elements,l=s[0],u=s[4],c=s[8],d=s[1],h=s[5],f=s[9],p=s[2],m=s[6],g=s[10];if(Math.abs(u-d)<o&&Math.abs(c-p)<o&&Math.abs(f-m)<o){if(Math.abs(u+d)<a&&Math.abs(c+p)<a&&Math.abs(f+m)<a&&Math.abs(l+h+g-3)<a)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,s=(h+1)/2,v=(g+1)/2,y=(u+d)/4,x=(c+p)/4,b=(f+m)/4;return e>s&&e>v?e<o?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(e),r=y/n,i=x/n):s>v?s<o?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=y/r,i=b/r):v<o?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(v),n=x/i,r=b/i),this.set(n,r,i,t),this}let v=Math.sqrt((m-f)*(m-f)+(c-p)*(c-p)+(d-u)*(d-u));return Math.abs(v)<.001&&(v=1),this.x=(m-f)/v,this.y=(c-p)/v,this.z=(d-u)/v,this.w=Math.acos((l+h+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class we extends F{constructor(e=1,t=1,n={}){super(),this.isWebGLRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new _e(0,0,e,t),this.scissorTest=!1,this.viewport=new _e(0,0,e,t);const r={width:e,height:t,depth:1};this.texture=new be(r,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:p,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new ve(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Se extends be{constructor(e=null,t=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=d,this.minFilter=d,this.wrapR=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Me extends be{constructor(e=null,t=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=d,this.minFilter=d,this.wrapR=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Ee{constructor(e=0,t=0,n=0,r=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=r}static slerpFlat(e,t,n,r,i,o,a){let s=n[r+0],l=n[r+1],u=n[r+2],c=n[r+3];const d=i[o+0],h=i[o+1],f=i[o+2],p=i[o+3];if(0===a)return e[t+0]=s,e[t+1]=l,e[t+2]=u,void(e[t+3]=c);if(1===a)return e[t+0]=d,e[t+1]=h,e[t+2]=f,void(e[t+3]=p);if(c!==p||s!==d||l!==h||u!==f){let e=1-a;const t=s*d+l*h+u*f+c*p,n=t>=0?1:-1,r=1-t*t;if(r>Number.EPSILON){const i=Math.sqrt(r),o=Math.atan2(i,t*n);e=Math.sin(e*o)/i,a=Math.sin(a*o)/i}const i=a*n;if(s=s*e+d*i,l=l*e+h*i,u=u*e+f*i,c=c*e+p*i,e===1-a){const e=1/Math.sqrt(s*s+l*l+u*u+c*c);s*=e,l*=e,u*=e,c*=e}}e[t]=s,e[t+1]=l,e[t+2]=u,e[t+3]=c}static multiplyQuaternionsFlat(e,t,n,r,i,o){const a=n[r],s=n[r+1],l=n[r+2],u=n[r+3],c=i[o],d=i[o+1],h=i[o+2],f=i[o+3];return e[t]=a*f+u*c+s*h-l*d,e[t+1]=s*f+u*d+l*c-a*h,e[t+2]=l*f+u*h+a*d-s*c,e[t+3]=u*f-a*c-s*d-l*h,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){const n=e._x,r=e._y,i=e._z,o=e._order,a=Math.cos,s=Math.sin,l=a(n/2),u=a(r/2),c=a(i/2),d=s(n/2),h=s(r/2),f=s(i/2);switch(o){case"XYZ":this._x=d*u*c+l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c-d*h*f;break;case"YXZ":this._x=d*u*c+l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c+d*h*f;break;case"ZXY":this._x=d*u*c-l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c-d*h*f;break;case"ZYX":this._x=d*u*c-l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c+d*h*f;break;case"YZX":this._x=d*u*c+l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c-d*h*f;break;case"XZY":this._x=d*u*c-l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c+d*h*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,r=Math.sin(n);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],r=t[4],i=t[8],o=t[1],a=t[5],s=t[9],l=t[2],u=t[6],c=t[10],d=n+a+c;if(d>0){const e=.5/Math.sqrt(d+1);this._w=.25/e,this._x=(u-s)*e,this._y=(i-l)*e,this._z=(o-r)*e}else if(n>a&&n>c){const e=2*Math.sqrt(1+n-a-c);this._w=(u-s)/e,this._x=.25*e,this._y=(r+o)/e,this._z=(i+l)/e}else if(a>c){const e=2*Math.sqrt(1+a-n-c);this._w=(i-l)/e,this._x=(r+o)/e,this._y=.25*e,this._z=(s+u)/e}else{const e=2*Math.sqrt(1+c-n-a);this._w=(o-r)/e,this._x=(i+l)/e,this._y=(s+u)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(W(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const r=Math.min(1,t/n);return this.slerp(e,r),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(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._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 e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,r=e._y,i=e._z,o=e._w,a=t._x,s=t._y,l=t._z,u=t._w;return this._x=n*u+o*a+r*l-i*s,this._y=r*u+o*s+i*a-n*l,this._z=i*u+o*l+n*s-r*a,this._w=o*u-n*a-r*s-i*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,r=this._y,i=this._z,o=this._w;let a=o*e._w+n*e._x+r*e._y+i*e._z;if(a<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,a=-a):this.copy(e),a>=1)return this._w=o,this._x=n,this._y=r,this._z=i,this;const s=1-a*a;if(s<=Number.EPSILON){const e=1-t;return this._w=e*o+t*this._w,this._x=e*n+t*this._x,this._y=e*r+t*this._y,this._z=e*i+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),u=Math.atan2(l,a),c=Math.sin((1-t)*u)/l,d=Math.sin(t*u)/l;return this._w=o*c+this._w*d,this._x=n*c+this._x*d,this._y=r*c+this._y*d,this._z=i*c+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),r=2*Math.PI*Math.random(),i=2*Math.PI*Math.random();return this.set(t*Math.cos(r),n*Math.sin(i),n*Math.cos(i),t*Math.sin(r))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Te{constructor(e=0,t=0,n=0){Te.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Ae.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Ae.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6]*r,this.y=i[1]*t+i[4]*n+i[7]*r,this.z=i[2]*t+i[5]*n+i[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=e.elements,o=1/(i[3]*t+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*t+i[4]*n+i[8]*r+i[12])*o,this.y=(i[1]*t+i[5]*n+i[9]*r+i[13])*o,this.z=(i[2]*t+i[6]*n+i[10]*r+i[14])*o,this}applyQuaternion(e){const t=this.x,n=this.y,r=this.z,i=e.x,o=e.y,a=e.z,s=e.w,l=s*t+o*r-a*n,u=s*n+a*t-i*r,c=s*r+i*n-o*t,d=-i*t-o*n-a*r;return this.x=l*s+d*-i+u*-a-c*-o,this.y=u*s+d*-o+c*-i-l*-a,this.z=c*s+d*-a+l*-o-u*-i,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[4]*n+i[8]*r,this.y=i[1]*t+i[5]*n+i[9]*r,this.z=i[2]*t+i[6]*n+i[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,r=e.y,i=e.z,o=t.x,a=t.y,s=t.z;return this.x=r*s-i*a,this.y=i*o-n*s,this.z=n*a-r*o,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Ce.copy(this).projectOnVector(e),this.sub(Ce)}reflect(e){return this.sub(Ce.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(W(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=2*(Math.random()-.5),t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ce=new Te,Ae=new Ee;class ke{constructor(e=new Te(1/0,1/0,1/0),t=new Te(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,r=1/0,i=-1/0,o=-1/0,a=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],u=e[s+1],c=e[s+2];l<t&&(t=l),u<n&&(n=u),c<r&&(r=c),l>i&&(i=l),u>o&&(o=u),c>a&&(a=c)}return this.min.set(t,n,r),this.max.set(i,o,a),this}setFromBufferAttribute(e){let t=1/0,n=1/0,r=1/0,i=-1/0,o=-1/0,a=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),u=e.getY(s),c=e.getZ(s);l<t&&(t=l),u<n&&(n=u),c<r&&(r=c),l>i&&(i=l),u>o&&(o=u),c>a&&(a=c)}return this.min.set(t,n,r),this.max.set(i,o,a),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=Re.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);const n=e.geometry;if(void 0!==n)if(t&&null!=n.attributes&&void 0!==n.attributes.position){const t=n.attributes.position;for(let n=0,r=t.count;n<r;n++)Re.fromBufferAttribute(t,n).applyMatrix4(e.matrixWorld),this.expandByPoint(Re)}else null===n.boundingBox&&n.computeBoundingBox(),Le.copy(n.boundingBox),Le.applyMatrix4(e.matrixWorld),this.union(Le);const r=e.children;for(let e=0,n=r.length;e<n;e++)this.expandByObject(r[e],t);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Re),Re.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Fe),Be.subVectors(this.max,Fe),Ie.subVectors(e.a,Fe),Ne.subVectors(e.b,Fe),Oe.subVectors(e.c,Fe),De.subVectors(Ne,Ie),ze.subVectors(Oe,Ne),Ue.subVectors(Ie,Oe);let t=[0,-De.z,De.y,0,-ze.z,ze.y,0,-Ue.z,Ue.y,De.z,0,-De.x,ze.z,0,-ze.x,Ue.z,0,-Ue.x,-De.y,De.x,0,-ze.y,ze.x,0,-Ue.y,Ue.x,0];return!!je(t,Ie,Ne,Oe,Be)&&(t=[1,0,0,0,1,0,0,0,1],!!je(t,Ie,Ne,Oe,Be)&&(He.crossVectors(De,ze),t=[He.x,He.y,He.z],je(t,Ie,Ne,Oe,Be)))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Re.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=.5*this.getSize(Re).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(Pe[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Pe[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Pe[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Pe[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Pe[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Pe[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Pe[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Pe[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Pe)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Pe=[new Te,new Te,new Te,new Te,new Te,new Te,new Te,new Te],Re=new Te,Le=new ke,Ie=new Te,Ne=new Te,Oe=new Te,De=new Te,ze=new Te,Ue=new Te,Fe=new Te,Be=new Te,He=new Te,Ve=new Te;function je(e,t,n,r,i){for(let o=0,a=e.length-3;o<=a;o+=3){Ve.fromArray(e,o);const a=i.x*Math.abs(Ve.x)+i.y*Math.abs(Ve.y)+i.z*Math.abs(Ve.z),s=t.dot(Ve),l=n.dot(Ve),u=r.dot(Ve);if(Math.max(-Math.max(s,l,u),Math.min(s,l,u))>a)return!1}return!0}const Ge=new ke,We=new Te,Xe=new Te;class $e{constructor(e=new Te,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):Ge.setFromPoints(e).getCenter(n);let r=0;for(let t=0,i=e.length;t<i;t++)r=Math.max(r,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;We.subVectors(e,this.center);const t=We.lengthSq();if(t>this.radius*this.radius){const e=Math.sqrt(t),n=.5*(e-this.radius);this.center.addScaledVector(We,n/e),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(Xe.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(We.copy(e.center).add(Xe)),this.expandByPoint(We.copy(e.center).sub(Xe))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const qe=new Te,Ye=new Te,Ze=new Te,Ke=new Te,Je=new Te,Qe=new Te,et=new Te;class tt{constructor(e=new Te,t=new Te(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,qe)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=qe.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(qe.copy(this.direction).multiplyScalar(t).add(this.origin),qe.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){Ye.copy(e).add(t).multiplyScalar(.5),Ze.copy(t).sub(e).normalize(),Ke.copy(this.origin).sub(Ye);const i=.5*e.distanceTo(t),o=-this.direction.dot(Ze),a=Ke.dot(this.direction),s=-Ke.dot(Ze),l=Ke.lengthSq(),u=Math.abs(1-o*o);let c,d,h,f;if(u>0)if(c=o*s-a,d=o*a-s,f=i*u,c>=0)if(d>=-f)if(d<=f){const e=1/u;c*=e,d*=e,h=c*(c+o*d+2*a)+d*(o*c+d+2*s)+l}else d=i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;else d=-i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;else d<=-f?(c=Math.max(0,-(-o*i+a)),d=c>0?-i:Math.min(Math.max(-i,-s),i),h=-c*c+d*(d+2*s)+l):d<=f?(c=0,d=Math.min(Math.max(-i,-s),i),h=d*(d+2*s)+l):(c=Math.max(0,-(o*i+a)),d=c>0?i:Math.min(Math.max(-i,-s),i),h=-c*c+d*(d+2*s)+l);else d=o>0?-i:i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;return n&&n.copy(this.direction).multiplyScalar(c).add(this.origin),r&&r.copy(Ze).multiplyScalar(d).add(Ye),h}intersectSphere(e,t){qe.subVectors(e.center,this.origin);const n=qe.dot(this.direction),r=qe.dot(qe)-n*n,i=e.radius*e.radius;if(r>i)return null;const o=Math.sqrt(i-r),a=n-o,s=n+o;return a<0&&s<0?null:a<0?this.at(s,t):this.at(a,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,o,a,s;const l=1/this.direction.x,u=1/this.direction.y,c=1/this.direction.z,d=this.origin;return l>=0?(n=(e.min.x-d.x)*l,r=(e.max.x-d.x)*l):(n=(e.max.x-d.x)*l,r=(e.min.x-d.x)*l),u>=0?(i=(e.min.y-d.y)*u,o=(e.max.y-d.y)*u):(i=(e.max.y-d.y)*u,o=(e.min.y-d.y)*u),n>o||i>r?null:((i>n||isNaN(n))&&(n=i),(o<r||isNaN(r))&&(r=o),c>=0?(a=(e.min.z-d.z)*c,s=(e.max.z-d.z)*c):(a=(e.max.z-d.z)*c,s=(e.min.z-d.z)*c),n>s||a>r?null:((a>n||n!=n)&&(n=a),(s<r||r!=r)&&(r=s),r<0?null:this.at(n>=0?n:r,t)))}intersectsBox(e){return null!==this.intersectBox(e,qe)}intersectTriangle(e,t,n,r,i){Je.subVectors(t,e),Qe.subVectors(n,e),et.crossVectors(Je,Qe);let o,a=this.direction.dot(et);if(a>0){if(r)return null;o=1}else{if(!(a<0))return null;o=-1,a=-a}Ke.subVectors(this.origin,e);const s=o*this.direction.dot(Qe.crossVectors(Ke,Qe));if(s<0)return null;const l=o*this.direction.dot(Je.cross(Ke));if(l<0)return null;if(s+l>a)return null;const u=-o*Ke.dot(et);return u<0?null:this.at(u/a,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class nt{constructor(){nt.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set(e,t,n,r,i,o,a,s,l,u,c,d,h,f,p,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=r,g[1]=i,g[5]=o,g[9]=a,g[13]=s,g[2]=l,g[6]=u,g[10]=c,g[14]=d,g[3]=h,g[7]=f,g[11]=p,g[15]=m,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 nt).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,r=1/rt.setFromMatrixColumn(e,0).length(),i=1/rt.setFromMatrixColumn(e,1).length(),o=1/rt.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*o,t[9]=n[9]*o,t[10]=n[10]*o,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,n=e.x,r=e.y,i=e.z,o=Math.cos(n),a=Math.sin(n),s=Math.cos(r),l=Math.sin(r),u=Math.cos(i),c=Math.sin(i);if("XYZ"===e.order){const e=o*u,n=o*c,r=a*u,i=a*c;t[0]=s*u,t[4]=-s*c,t[8]=l,t[1]=n+r*l,t[5]=e-i*l,t[9]=-a*s,t[2]=i-e*l,t[6]=r+n*l,t[10]=o*s}else if("YXZ"===e.order){const e=s*u,n=s*c,r=l*u,i=l*c;t[0]=e+i*a,t[4]=r*a-n,t[8]=o*l,t[1]=o*c,t[5]=o*u,t[9]=-a,t[2]=n*a-r,t[6]=i+e*a,t[10]=o*s}else if("ZXY"===e.order){const e=s*u,n=s*c,r=l*u,i=l*c;t[0]=e-i*a,t[4]=-o*c,t[8]=r+n*a,t[1]=n+r*a,t[5]=o*u,t[9]=i-e*a,t[2]=-o*l,t[6]=a,t[10]=o*s}else if("ZYX"===e.order){const e=o*u,n=o*c,r=a*u,i=a*c;t[0]=s*u,t[4]=r*l-n,t[8]=e*l+i,t[1]=s*c,t[5]=i*l+e,t[9]=n*l-r,t[2]=-l,t[6]=a*s,t[10]=o*s}else if("YZX"===e.order){const e=o*s,n=o*l,r=a*s,i=a*l;t[0]=s*u,t[4]=i-e*c,t[8]=r*c+n,t[1]=c,t[5]=o*u,t[9]=-a*u,t[2]=-l*u,t[6]=n*c+r,t[10]=e-i*c}else if("XZY"===e.order){const e=o*s,n=o*l,r=a*s,i=a*l;t[0]=s*u,t[4]=-c,t[8]=l*u,t[1]=e*c+i,t[5]=o*u,t[9]=n*c-r,t[2]=r*c-n,t[6]=a*u,t[10]=i*c+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(ot,e,at)}lookAt(e,t,n){const r=this.elements;return ut.subVectors(e,t),0===ut.lengthSq()&&(ut.z=1),ut.normalize(),st.crossVectors(n,ut),0===st.lengthSq()&&(1===Math.abs(n.z)?ut.x+=1e-4:ut.z+=1e-4,ut.normalize(),st.crossVectors(n,ut)),st.normalize(),lt.crossVectors(ut,st),r[0]=st.x,r[4]=lt.x,r[8]=ut.x,r[1]=st.y,r[5]=lt.y,r[9]=ut.y,r[2]=st.z,r[6]=lt.z,r[10]=ut.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,i=this.elements,o=n[0],a=n[4],s=n[8],l=n[12],u=n[1],c=n[5],d=n[9],h=n[13],f=n[2],p=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],_=r[0],w=r[4],S=r[8],M=r[12],E=r[1],T=r[5],C=r[9],A=r[13],k=r[2],P=r[6],R=r[10],L=r[14],I=r[3],N=r[7],O=r[11],D=r[15];return i[0]=o*_+a*E+s*k+l*I,i[4]=o*w+a*T+s*P+l*N,i[8]=o*S+a*C+s*R+l*O,i[12]=o*M+a*A+s*L+l*D,i[1]=u*_+c*E+d*k+h*I,i[5]=u*w+c*T+d*P+h*N,i[9]=u*S+c*C+d*R+h*O,i[13]=u*M+c*A+d*L+h*D,i[2]=f*_+p*E+m*k+g*I,i[6]=f*w+p*T+m*P+g*N,i[10]=f*S+p*C+m*R+g*O,i[14]=f*M+p*A+m*L+g*D,i[3]=v*_+y*E+x*k+b*I,i[7]=v*w+y*T+x*P+b*N,i[11]=v*S+y*C+x*R+b*O,i[15]=v*M+y*A+x*L+b*D,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],o=e[1],a=e[5],s=e[9],l=e[13],u=e[2],c=e[6],d=e[10],h=e[14];return e[3]*(+i*s*c-r*l*c-i*a*d+n*l*d+r*a*h-n*s*h)+e[7]*(+t*s*h-t*l*d+i*o*d-r*o*h+r*l*u-i*s*u)+e[11]*(+t*l*c-t*a*h-i*o*c+n*o*h+i*a*u-n*l*u)+e[15]*(-r*a*u-t*s*c+t*a*d+r*o*c-n*o*d+n*s*u)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],o=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],h=e[11],f=e[12],p=e[13],m=e[14],g=e[15],v=c*m*l-p*d*l+p*s*h-a*m*h-c*s*g+a*d*g,y=f*d*l-u*m*l-f*s*h+o*m*h+u*s*g-o*d*g,x=u*p*l-f*c*l+f*a*h-o*p*h-u*a*g+o*c*g,b=f*c*s-u*p*s-f*a*d+o*p*d+u*a*m-o*c*m,_=t*v+n*y+r*x+i*b;if(0===_)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/_;return e[0]=v*w,e[1]=(p*d*i-c*m*i-p*r*h+n*m*h+c*r*g-n*d*g)*w,e[2]=(a*m*i-p*s*i+p*r*l-n*m*l-a*r*g+n*s*g)*w,e[3]=(c*s*i-a*d*i-c*r*l+n*d*l+a*r*h-n*s*h)*w,e[4]=y*w,e[5]=(u*m*i-f*d*i+f*r*h-t*m*h-u*r*g+t*d*g)*w,e[6]=(f*s*i-o*m*i-f*r*l+t*m*l+o*r*g-t*s*g)*w,e[7]=(o*d*i-u*s*i+u*r*l-t*d*l-o*r*h+t*s*h)*w,e[8]=x*w,e[9]=(f*c*i-u*p*i-f*n*h+t*p*h+u*n*g-t*c*g)*w,e[10]=(o*p*i-f*a*i+f*n*l-t*p*l-o*n*g+t*a*g)*w,e[11]=(u*a*i-o*c*i-u*n*l+t*c*l+o*n*h-t*a*h)*w,e[12]=b*w,e[13]=(u*p*r-f*c*r+f*n*d-t*p*d-u*n*m+t*c*m)*w,e[14]=(f*a*r-o*p*r-f*n*s+t*p*s+o*n*m-t*a*m)*w,e[15]=(o*c*r-u*a*r+u*n*s-t*c*s-o*n*d+t*a*d)*w,this}scale(e){const t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),r=Math.sin(t),i=1-n,o=e.x,a=e.y,s=e.z,l=i*o,u=i*a;return this.set(l*o+n,l*a-r*s,l*s+r*a,0,l*a+r*s,u*a+n,u*s-r*o,0,l*s-r*a,u*s+r*o,i*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,r,i,o){return this.set(1,n,i,0,e,1,o,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){const r=this.elements,i=t._x,o=t._y,a=t._z,s=t._w,l=i+i,u=o+o,c=a+a,d=i*l,h=i*u,f=i*c,p=o*u,m=o*c,g=a*c,v=s*l,y=s*u,x=s*c,b=n.x,_=n.y,w=n.z;return r[0]=(1-(p+g))*b,r[1]=(h+x)*b,r[2]=(f-y)*b,r[3]=0,r[4]=(h-x)*_,r[5]=(1-(d+g))*_,r[6]=(m+v)*_,r[7]=0,r[8]=(f+y)*w,r[9]=(m-v)*w,r[10]=(1-(d+p))*w,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){const r=this.elements;let i=rt.set(r[0],r[1],r[2]).length();const o=rt.set(r[4],r[5],r[6]).length(),a=rt.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),e.x=r[12],e.y=r[13],e.z=r[14],it.copy(this);const s=1/i,l=1/o,u=1/a;return it.elements[0]*=s,it.elements[1]*=s,it.elements[2]*=s,it.elements[4]*=l,it.elements[5]*=l,it.elements[6]*=l,it.elements[8]*=u,it.elements[9]*=u,it.elements[10]*=u,t.setFromRotationMatrix(it),n.x=i,n.y=o,n.z=a,this}makePerspective(e,t,n,r,i,o){const a=this.elements,s=2*i/(t-e),l=2*i/(n-r),u=(t+e)/(t-e),c=(n+r)/(n-r),d=-(o+i)/(o-i),h=-2*o*i/(o-i);return a[0]=s,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]=h,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(e,t,n,r,i,o){const a=this.elements,s=1/(t-e),l=1/(n-r),u=1/(o-i),c=(t+e)*s,d=(n+r)*l,h=(o+i)*u;return a[0]=2*s,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]=-2*u,a[14]=-h,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}const rt=new Te,it=new nt,ot=new Te(0,0,0),at=new Te(1,1,1),st=new Te,lt=new Te,ut=new Te,ct=new nt,dt=new Ee;class ht{constructor(e=0,t=0,n=0,r=ht.DefaultOrder){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,r=this._order){return this._x=e,this._y=t,this._z=n,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){const r=e.elements,i=r[0],o=r[4],a=r[8],s=r[1],l=r[5],u=r[9],c=r[2],d=r[6],h=r[10];switch(t){case"XYZ":this._y=Math.asin(W(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-u,h),this._z=Math.atan2(-o,i)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-W(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(a,h),this._z=Math.atan2(s,l)):(this._y=Math.atan2(-c,i),this._z=0);break;case"ZXY":this._x=Math.asin(W(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-c,h),this._z=Math.atan2(-o,l)):(this._y=0,this._z=Math.atan2(s,i));break;case"ZYX":this._y=Math.asin(-W(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(d,h),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-o,l));break;case"YZX":this._z=Math.asin(W(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,l),this._y=Math.atan2(-c,i)):(this._x=0,this._y=Math.atan2(a,h));break;case"XZY":this._z=Math.asin(-W(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(a,i)):(this._x=Math.atan2(-u,h),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!0===n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return ct.makeRotationFromQuaternion(e),this.setFromRotationMatrix(ct,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return dt.setFromEuler(this),this.setFromQuaternion(dt,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}toVector3(){console.error("THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead")}}ht.DefaultOrder="XYZ",ht.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class ft{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}isEnabled(e){return 0!=(this.mask&(1<<e|0))}}let pt=0;const mt=new Te,gt=new Ee,vt=new nt,yt=new Te,xt=new Te,bt=new Te,_t=new Ee,wt=new Te(1,0,0),St=new Te(0,1,0),Mt=new Te(0,0,1),Et={type:"added"},Tt={type:"removed"};class Ct extends F{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:pt++}),this.uuid=G(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ct.DefaultUp.clone();const e=new Te,t=new ht,n=new Ee,r=new Te(1,1,1);t._onChange((function(){n.setFromEuler(t,!1)})),n._onChange((function(){t.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new nt},normalMatrix:{value:new te}}),this.matrix=new nt,this.matrixWorld=new nt,this.matrixAutoUpdate=Ct.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=Ct.DefaultMatrixWorldAutoUpdate,this.layers=new ft,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return gt.setFromAxisAngle(e,t),this.quaternion.multiply(gt),this}rotateOnWorldAxis(e,t){return gt.setFromAxisAngle(e,t),this.quaternion.premultiply(gt),this}rotateX(e){return this.rotateOnAxis(wt,e)}rotateY(e){return this.rotateOnAxis(St,e)}rotateZ(e){return this.rotateOnAxis(Mt,e)}translateOnAxis(e,t){return mt.copy(e).applyQuaternion(this.quaternion),this.position.add(mt.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(wt,e)}translateY(e){return this.translateOnAxis(St,e)}translateZ(e){return this.translateOnAxis(Mt,e)}localToWorld(e){return e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return e.applyMatrix4(vt.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?yt.copy(e):yt.set(e,t,n);const r=this.parent;this.updateWorldMatrix(!0,!1),xt.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?vt.lookAt(xt,yt,this.up):vt.lookAt(yt,xt,this.up),this.quaternion.setFromRotationMatrix(vt),r&&(vt.extractRotation(r.matrixWorld),gt.setFromRotationMatrix(vt),this.quaternion.premultiply(gt.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Et)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Tt)),this}removeFromParent(){const e=this.parent;return null!==e&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(Tt)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),vt.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),vt.multiply(e.parent.matrixWorld)),e.applyMatrix4(vt),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,r=this.children.length;n<r;n++){const r=this.children[n].getObjectByProperty(e,t);if(void 0!==r)return r}}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xt,e,bt),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xt,_t,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)}traverseAncestors(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,r=t.length;n<r;n++){const r=t[n];!0!==r.matrixWorldAutoUpdate&&!0!==e||r.updateMatrixWorld(e)}}updateWorldMatrix(e,t){const n=this.parent;if(!0===e&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,n=e.length;t<n;t++){const n=e[t];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(e){const t=void 0===e||"string"==typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const r={};function i(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(r.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(r.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=i(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,r=n.length;t<r;t++){const r=n[t];i(e.shapes,r)}else i(e.shapes,n)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,r=this.material.length;n<r;n++)t.push(i(e.materials,this.material[n]));r.material=t}else r.material=i(e.materials,this.material);if(this.children.length>0){r.children=[];for(let t=0;t<this.children.length;t++)r.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];r.animations.push(i(e.animations,n))}}if(t){const t=o(e.geometries),r=o(e.materials),i=o(e.textures),a=o(e.images),s=o(e.shapes),l=o(e.skeletons),u=o(e.animations),c=o(e.nodes);t.length>0&&(n.geometries=t),r.length>0&&(n.materials=r),i.length>0&&(n.textures=i),a.length>0&&(n.images=a),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),u.length>0&&(n.animations=u),c.length>0&&(n.nodes=c)}return n.object=r,n;function o(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}}clone(e){return(new this.constructor).copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}}Ct.DefaultUp=new Te(0,1,0),Ct.DefaultMatrixAutoUpdate=!0,Ct.DefaultMatrixWorldAutoUpdate=!0;const At=new Te,kt=new Te,Pt=new Te,Rt=new Te,Lt=new Te,It=new Te,Nt=new Te,Ot=new Te,Dt=new Te,zt=new Te;class Ut{constructor(e=new Te,t=new Te,n=new Te){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),At.subVectors(e,t),r.cross(At);const i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){At.subVectors(r,t),kt.subVectors(n,t),Pt.subVectors(e,t);const o=At.dot(At),a=At.dot(kt),s=At.dot(Pt),l=kt.dot(kt),u=kt.dot(Pt),c=o*l-a*a;if(0===c)return i.set(-2,-1,-1);const d=1/c,h=(l*s-a*u)*d,f=(o*u-a*s)*d;return i.set(1-h-f,f,h)}static containsPoint(e,t,n,r){return this.getBarycoord(e,t,n,r,Rt),Rt.x>=0&&Rt.y>=0&&Rt.x+Rt.y<=1}static getUV(e,t,n,r,i,o,a,s){return this.getBarycoord(e,t,n,r,Rt),s.set(0,0),s.addScaledVector(i,Rt.x),s.addScaledVector(o,Rt.y),s.addScaledVector(a,Rt.z),s}static isFrontFacing(e,t,n,r){return At.subVectors(n,t),kt.subVectors(e,t),At.cross(kt).dot(r)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,r){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[r]),this}setFromAttributeAndIndices(e,t,n,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,r),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return At.subVectors(this.c,this.b),kt.subVectors(this.a,this.b),.5*At.cross(kt).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Ut.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Ut.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,r,i){return Ut.getUV(e,this.a,this.b,this.c,t,n,r,i)}containsPoint(e){return Ut.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Ut.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const n=this.a,r=this.b,i=this.c;let o,a;Lt.subVectors(r,n),It.subVectors(i,n),Ot.subVectors(e,n);const s=Lt.dot(Ot),l=It.dot(Ot);if(s<=0&&l<=0)return t.copy(n);Dt.subVectors(e,r);const u=Lt.dot(Dt),c=It.dot(Dt);if(u>=0&&c<=u)return t.copy(r);const d=s*c-u*l;if(d<=0&&s>=0&&u<=0)return o=s/(s-u),t.copy(n).addScaledVector(Lt,o);zt.subVectors(e,i);const h=Lt.dot(zt),f=It.dot(zt);if(f>=0&&h<=f)return t.copy(i);const p=h*l-s*f;if(p<=0&&l>=0&&f<=0)return a=l/(l-f),t.copy(n).addScaledVector(It,a);const m=u*f-h*c;if(m<=0&&c-u>=0&&h-f>=0)return Nt.subVectors(i,r),a=(c-u)/(c-u+(h-f)),t.copy(r).addScaledVector(Nt,a);const g=1/(m+p+d);return o=p*g,a=d*g,t.copy(n).addScaledVector(Lt,o).addScaledVector(It,a)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let Ft=0;class Bt extends F{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Ft++}),this.uuid=G(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=i,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=O,this.stencilZFail=O,this.stencilZPass=O,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(void 0!==e)for(const t in e){const n=e[t];if(void 0===n){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}const r=this[t];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}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()),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(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),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(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(n.combine=this.combine)),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(e).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).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),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,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.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),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=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){const t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}return n}clone(){return(new this.constructor).copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){!0===e&&this.version++}}class Ht extends Bt{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new pe(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.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(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}const Vt=new Te,jt=new ee;class Gt{constructor(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=D,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let r=0,i=this.itemSize;r<i;r++)this.array[e+r]=t.array[n+r];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,n=this.count;t<n;t++)jt.fromBufferAttribute(this,t),jt.applyMatrix3(e),this.setXY(t,jt.x,jt.y);else if(3===this.itemSize)for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyMatrix3(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyMatrix4(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyNormalMatrix(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.transformDirection(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=K(t,this.array)),t}setX(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=K(t,this.array)),t}setY(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=K(t,this.array)),t}setZ(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=K(t,this.array)),t}setW(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array)),this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,r){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array),i=J(i,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this.array[e+3]=i,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==D&&(e.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(e.updateRange=this.updateRange),e}copyColorsArray(){console.error("THREE.BufferAttribute: copyColorsArray() was removed in r144.")}copyVector2sArray(){console.error("THREE.BufferAttribute: copyVector2sArray() was removed in r144.")}copyVector3sArray(){console.error("THREE.BufferAttribute: copyVector3sArray() was removed in r144.")}copyVector4sArray(){console.error("THREE.BufferAttribute: copyVector4sArray() was removed in r144.")}}class Wt extends Gt{constructor(e,t,n){super(new Uint16Array(e),t,n)}}class Xt extends Gt{constructor(e,t,n){super(new Uint32Array(e),t,n)}}class $t extends Gt{constructor(e,t,n){super(new Float32Array(e),t,n)}}let qt=0;const Yt=new nt,Zt=new Ct,Kt=new Te,Jt=new ke,Qt=new ke,en=new Te;class tn extends F{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:qt++}),this.uuid=G(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(ne(e)?Xt:Wt)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new te).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(e){return Yt.makeRotationFromQuaternion(e),this.applyMatrix4(Yt),this}rotateX(e){return Yt.makeRotationX(e),this.applyMatrix4(Yt),this}rotateY(e){return Yt.makeRotationY(e),this.applyMatrix4(Yt),this}rotateZ(e){return Yt.makeRotationZ(e),this.applyMatrix4(Yt),this}translate(e,t,n){return Yt.makeTranslation(e,t,n),this.applyMatrix4(Yt),this}scale(e,t,n){return Yt.makeScale(e,t,n),this.applyMatrix4(Yt),this}lookAt(e){return Zt.lookAt(e),Zt.updateMatrix(),this.applyMatrix4(Zt.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Kt).negate(),this.translate(Kt.x,Kt.y,Kt.z),this}setFromPoints(e){const t=[];for(let n=0,r=e.length;n<r;n++){const r=e[n];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new $t(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ke);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Te(-1/0,-1/0,-1/0),new Te(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];Jt.setFromBufferAttribute(n),this.morphTargetsRelative?(en.addVectors(this.boundingBox.min,Jt.min),this.boundingBox.expandByPoint(en),en.addVectors(this.boundingBox.max,Jt.max),this.boundingBox.expandByPoint(en)):(this.boundingBox.expandByPoint(Jt.min),this.boundingBox.expandByPoint(Jt.max))}}else this.boundingBox.makeEmpty();(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(){null===this.boundingSphere&&(this.boundingSphere=new $e);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Te,1/0);if(e){const n=this.boundingSphere.center;if(Jt.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];Qt.setFromBufferAttribute(n),this.morphTargetsRelative?(en.addVectors(Jt.min,Qt.min),Jt.expandByPoint(en),en.addVectors(Jt.max,Qt.max),Jt.expandByPoint(en)):(Jt.expandByPoint(Qt.min),Jt.expandByPoint(Qt.max))}Jt.getCenter(n);let r=0;for(let t=0,i=e.count;t<i;t++)en.fromBufferAttribute(e,t),r=Math.max(r,n.distanceToSquared(en));if(t)for(let i=0,o=t.length;i<o;i++){const o=t[i],a=this.morphTargetsRelative;for(let t=0,i=o.count;t<i;t++)en.fromBufferAttribute(o,t),a&&(Kt.fromBufferAttribute(e,t),en.add(Kt)),r=Math.max(r,n.distanceToSquared(en))}this.boundingSphere.radius=Math.sqrt(r),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 e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,r=t.position.array,i=t.normal.array,o=t.uv.array,a=r.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Gt(new Float32Array(4*a),4));const s=this.getAttribute("tangent").array,l=[],u=[];for(let e=0;e<a;e++)l[e]=new Te,u[e]=new Te;const c=new Te,d=new Te,h=new Te,f=new ee,p=new ee,m=new ee,g=new Te,v=new Te;function y(e,t,n){c.fromArray(r,3*e),d.fromArray(r,3*t),h.fromArray(r,3*n),f.fromArray(o,2*e),p.fromArray(o,2*t),m.fromArray(o,2*n),d.sub(c),h.sub(c),p.sub(f),m.sub(f);const i=1/(p.x*m.y-m.x*p.y);isFinite(i)&&(g.copy(d).multiplyScalar(m.y).addScaledVector(h,-p.y).multiplyScalar(i),v.copy(h).multiplyScalar(p.x).addScaledVector(d,-m.x).multiplyScalar(i),l[e].add(g),l[t].add(g),l[n].add(g),u[e].add(v),u[t].add(v),u[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let e=0,t=x.length;e<t;++e){const t=x[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)y(n[e+0],n[e+1],n[e+2])}const b=new Te,_=new Te,w=new Te,S=new Te;function M(e){w.fromArray(i,3*e),S.copy(w);const t=l[e];b.copy(t),b.sub(w.multiplyScalar(w.dot(t))).normalize(),_.crossVectors(S,t);const n=_.dot(u[e])<0?-1:1;s[4*e]=b.x,s[4*e+1]=b.y,s[4*e+2]=b.z,s[4*e+3]=n}for(let e=0,t=x.length;e<t;++e){const t=x[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)M(n[e+0]),M(n[e+1]),M(n[e+2])}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new Gt(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const r=new Te,i=new Te,o=new Te,a=new Te,s=new Te,l=new Te,u=new Te,c=new Te;if(e)for(let d=0,h=e.count;d<h;d+=3){const h=e.getX(d+0),f=e.getX(d+1),p=e.getX(d+2);r.fromBufferAttribute(t,h),i.fromBufferAttribute(t,f),o.fromBufferAttribute(t,p),u.subVectors(o,i),c.subVectors(r,i),u.cross(c),a.fromBufferAttribute(n,h),s.fromBufferAttribute(n,f),l.fromBufferAttribute(n,p),a.add(u),s.add(u),l.add(u),n.setXYZ(h,a.x,a.y,a.z),n.setXYZ(f,s.x,s.y,s.z),n.setXYZ(p,l.x,l.y,l.z)}else for(let e=0,a=t.count;e<a;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),o.fromBufferAttribute(t,e+2),u.subVectors(o,i),c.subVectors(r,i),u.cross(c),n.setXYZ(e+0,u.x,u.y,u.z),n.setXYZ(e+1,u.x,u.y,u.z),n.setXYZ(e+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(){return console.error("THREE.BufferGeometry.merge() has been removed. Use THREE.BufferGeometryUtils.mergeBufferGeometries() instead."),this}normalizeNormals(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)en.fromBufferAttribute(e,t),en.normalize(),e.setXYZ(t,en.x,en.y,en.z)}toNonIndexed(){function e(e,t){const n=e.array,r=e.itemSize,i=e.normalized,o=new n.constructor(t.length*r);let a=0,s=0;for(let i=0,l=t.length;i<l;i++){a=e.isInterleavedBufferAttribute?t[i]*e.data.stride+e.offset:t[i]*r;for(let e=0;e<r;e++)o[s++]=n[a++]}return new Gt(o,r,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new tn,n=this.index.array,r=this.attributes;for(const i in r){const o=e(r[i],n);t.setAttribute(i,o)}const i=this.morphAttributes;for(const r in i){const o=[],a=i[r];for(let t=0,r=a.length;t<r;t++){const r=e(a[t],n);o.push(r)}t.morphAttributes[r]=o}t.morphTargetsRelative=this.morphTargetsRelative;const o=this.groups;for(let e=0,n=o.length;e<n;e++){const n=o[e];t.addGroup(n.start,n.count,n.materialIndex)}return t}toJSON(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const r=n[t];e.data.attributes[t]=r.toJSON(e.data)}const r={};let i=!1;for(const t in this.morphAttributes){const n=this.morphAttributes[t],o=[];for(let t=0,r=n.length;t<r;t++){const r=n[t];o.push(r.toJSON(e.data))}o.length>0&&(r[t]=o,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const o=this.groups;o.length>0&&(e.data.groups=JSON.parse(JSON.stringify(o)));const a=this.boundingSphere;return null!==a&&(e.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),e}clone(){return(new this.constructor).copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const r=e.attributes;for(const e in r){const n=r[e];this.setAttribute(e,n.clone(t))}const i=e.morphAttributes;for(const e in i){const n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const o=e.groups;for(let e=0,t=o.length;e<t;e++){const t=o[e];this.addGroup(t.start,t.count,t.materialIndex)}const a=e.boundingBox;null!==a&&(this.boundingBox=a.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,void 0!==e.parameters&&(this.parameters=Object.assign({},e.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}}const nn=new nt,rn=new tt,on=new $e,an=new Te,sn=new Te,ln=new Te,un=new Te,cn=new Te,dn=new Te,hn=new Te,fn=new Te,pn=new Te,mn=new ee,gn=new ee,vn=new ee,yn=new Te,xn=new Te;class bn extends Ct{constructor(e=new tn,t=new Ht){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}raycast(e,t){const n=this.geometry,r=this.material,i=this.matrixWorld;if(void 0===r)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),on.copy(n.boundingSphere),on.applyMatrix4(i),!1===e.ray.intersectsSphere(on))return;if(nn.copy(i).invert(),rn.copy(e.ray).applyMatrix4(nn),null!==n.boundingBox&&!1===rn.intersectsBox(n.boundingBox))return;let o;const a=n.index,s=n.attributes.position,l=n.morphAttributes.position,u=n.morphTargetsRelative,c=n.attributes.uv,d=n.attributes.uv2,h=n.groups,f=n.drawRange;if(null!==a)if(Array.isArray(r))for(let n=0,i=h.length;n<i;n++){const i=h[n],p=r[i.materialIndex];for(let n=Math.max(i.start,f.start),r=Math.min(a.count,Math.min(i.start+i.count,f.start+f.count));n<r;n+=3){const r=a.getX(n),h=a.getX(n+1),f=a.getX(n+2);o=_n(this,p,e,rn,s,l,u,c,d,r,h,f),o&&(o.faceIndex=Math.floor(n/3),o.face.materialIndex=i.materialIndex,t.push(o))}}else for(let n=Math.max(0,f.start),i=Math.min(a.count,f.start+f.count);n<i;n+=3){const i=a.getX(n),h=a.getX(n+1),f=a.getX(n+2);o=_n(this,r,e,rn,s,l,u,c,d,i,h,f),o&&(o.faceIndex=Math.floor(n/3),t.push(o))}else if(void 0!==s)if(Array.isArray(r))for(let n=0,i=h.length;n<i;n++){const i=h[n],a=r[i.materialIndex];for(let n=Math.max(i.start,f.start),r=Math.min(s.count,Math.min(i.start+i.count,f.start+f.count));n<r;n+=3)o=_n(this,a,e,rn,s,l,u,c,d,n,n+1,n+2),o&&(o.faceIndex=Math.floor(n/3),o.face.materialIndex=i.materialIndex,t.push(o))}else for(let n=Math.max(0,f.start),i=Math.min(s.count,f.start+f.count);n<i;n+=3)o=_n(this,r,e,rn,s,l,u,c,d,n,n+1,n+2),o&&(o.faceIndex=Math.floor(n/3),t.push(o))}}function _n(e,t,n,r,i,o,a,s,l,u,c,d){an.fromBufferAttribute(i,u),sn.fromBufferAttribute(i,c),ln.fromBufferAttribute(i,d);const h=e.morphTargetInfluences;if(o&&h){hn.set(0,0,0),fn.set(0,0,0),pn.set(0,0,0);for(let e=0,t=o.length;e<t;e++){const t=h[e],n=o[e];0!==t&&(un.fromBufferAttribute(n,u),cn.fromBufferAttribute(n,c),dn.fromBufferAttribute(n,d),a?(hn.addScaledVector(un,t),fn.addScaledVector(cn,t),pn.addScaledVector(dn,t)):(hn.addScaledVector(un.sub(an),t),fn.addScaledVector(cn.sub(sn),t),pn.addScaledVector(dn.sub(ln),t)))}an.add(hn),sn.add(fn),ln.add(pn)}e.isSkinnedMesh&&(e.boneTransform(u,an),e.boneTransform(c,sn),e.boneTransform(d,ln));const f=function(e,t,n,r,i,o,a,s){let l;if(l=1===t.side?r.intersectTriangle(a,o,i,!0,s):r.intersectTriangle(i,o,a,2!==t.side,s),null===l)return null;xn.copy(s),xn.applyMatrix4(e.matrixWorld);const u=n.ray.origin.distanceTo(xn);return u<n.near||u>n.far?null:{distance:u,point:xn.clone(),object:e}}(e,t,n,r,an,sn,ln,yn);if(f){s&&(mn.fromBufferAttribute(s,u),gn.fromBufferAttribute(s,c),vn.fromBufferAttribute(s,d),f.uv=Ut.getUV(yn,an,sn,ln,mn,gn,vn,new ee)),l&&(mn.fromBufferAttribute(l,u),gn.fromBufferAttribute(l,c),vn.fromBufferAttribute(l,d),f.uv2=Ut.getUV(yn,an,sn,ln,mn,gn,vn,new ee));const e={a:u,b:c,c:d,normal:new Te,materialIndex:0};Ut.getNormal(an,sn,ln,e.normal),f.face=e}return f}class wn extends tn{constructor(e=1,t=1,n=1,r=1,i=1,o=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:i,depthSegments:o};const a=this;r=Math.floor(r),i=Math.floor(i),o=Math.floor(o);const s=[],l=[],u=[],c=[];let d=0,h=0;function f(e,t,n,r,i,o,f,p,m,g,v){const y=o/m,x=f/g,b=o/2,_=f/2,w=p/2,S=m+1,M=g+1;let E=0,T=0;const C=new Te;for(let o=0;o<M;o++){const a=o*x-_;for(let s=0;s<S;s++){const d=s*y-b;C[e]=d*r,C[t]=a*i,C[n]=w,l.push(C.x,C.y,C.z),C[e]=0,C[t]=0,C[n]=p>0?1:-1,u.push(C.x,C.y,C.z),c.push(s/m),c.push(1-o/g),E+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const n=d+t+S*e,r=d+t+S*(e+1),i=d+(t+1)+S*(e+1),o=d+(t+1)+S*e;s.push(n,r,o),s.push(r,i,o),T+=6}a.addGroup(h,T,v),h+=T,d+=E}f("z","y","x",-1,-1,n,t,e,o,i,0),f("z","y","x",1,-1,n,t,-e,o,i,1),f("x","z","y",1,1,e,n,t,r,o,2),f("x","z","y",1,-1,e,n,-t,r,o,3),f("x","y","z",1,-1,e,t,n,r,i,4),f("x","y","z",-1,-1,e,t,-n,r,i,5),this.setIndex(s),this.setAttribute("position",new $t(l,3)),this.setAttribute("normal",new $t(u,3)),this.setAttribute("uv",new $t(c,2))}static fromJSON(e){return new wn(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function Sn(e){const t={};for(const n in e){t[n]={};for(const r in e[n]){const i=e[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?t[n][r]=i.clone():Array.isArray(i)?t[n][r]=i.slice():t[n][r]=i}}return t}function Mn(e){const t={};for(let n=0;n<e.length;n++){const r=Sn(e[n]);for(const e in r)t[e]=r[e]}return t}const En={clone:Sn,merge:Mn};class Tn extends Bt{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Sn(e.uniforms),this.uniformsGroups=function(e){const t=[];for(let n=0;n<e.length;n++)t.push(e[n].clone());return t}(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const n in this.uniforms){const r=this.uniforms[n].value;r&&r.isTexture?t.uniforms[n]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[n]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[n]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[n]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[n]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[n]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[n]={type:"m4",value:r.toArray()}:t.uniforms[n]={value:r}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const n={};for(const e in this.extensions)!0===this.extensions[e]&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class Cn extends Ct{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new nt,this.projectionMatrix=new nt,this.projectionMatrixInverse=new nt}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}class An extends Cn{constructor(e=50,t=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=2*j*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(.5*V*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*j*Math.atan(Math.tan(.5*V*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,r,i,o){this.aspect=e/t,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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(.5*V*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r;const o=this.view;if(null!==this.view&&this.view.enabled){const e=o.fullWidth,a=o.fullHeight;i+=o.offsetX*r/e,t-=o.offsetY*n/a,r*=o.width/e,n*=o.height/a}const a=this.filmOffset;0!==a&&(i+=e*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}const kn=90;class Pn extends Ct{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n;const r=new An(kn,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Te(1,0,0)),this.add(r);const i=new An(kn,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Te(-1,0,0)),this.add(i);const o=new An(kn,1,e,t);o.layers=this.layers,o.up.set(0,0,1),o.lookAt(new Te(0,1,0)),this.add(o);const a=new An(kn,1,e,t);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new Te(0,-1,0)),this.add(a);const s=new An(kn,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Te(0,0,1)),this.add(s);const l=new An(kn,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Te(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[r,i,o,a,s,l]=this.children,u=e.getRenderTarget(),c=e.toneMapping,d=e.xr.enabled;e.toneMapping=0,e.xr.enabled=!1;const h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,r),e.setRenderTarget(n,1),e.render(t,i),e.setRenderTarget(n,2),e.render(t,o),e.setRenderTarget(n,3),e.render(t,a),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=h,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(u),e.toneMapping=c,e.xr.enabled=d,n.texture.needsPMREMUpdate=!0}}class Rn extends be{constructor(e,t,n,r,i,a,s,l,u,c){super(e=void 0!==e?e:[],t=void 0!==t?t:o,n,r,i,a,s,l,u,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class Ln extends we{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},r=[n,n,n,n,n,n];this.texture=new Rn(r,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:p}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={tEquirect:{value:null}},r="\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 <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",i="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\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",o=new wn(5,5,5),a=new Tn({name:"CubemapFromEquirect",uniforms:Sn(n),vertexShader:r,fragmentShader:i,side:1,blending:0});a.uniforms.tEquirect.value=t;const s=new bn(o,a),l=t.minFilter;return t.minFilter===m&&(t.minFilter=p),new Pn(1,10,this).update(e,s),t.minFilter=l,s.geometry.dispose(),s.material.dispose(),this}clear(e,t,n,r){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,n,r);e.setRenderTarget(i)}}const In=new Te,Nn=new Te,On=new te;class Dn{constructor(e=new Te(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const r=In.subVectors(n,t).cross(Nn.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){const n=e.delta(In),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;const i=-(e.start.dot(this.normal)+this.constant)/r;return i<0||i>1?null:t.copy(n).multiplyScalar(i).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||On.getNormalMatrix(e),r=this.coplanarPoint(In).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const zn=new $e,Un=new Te;class Fn{constructor(e=new Dn,t=new Dn,n=new Dn,r=new Dn,i=new Dn,o=new Dn){this.planes=[e,t,n,r,i,o]}set(e,t,n,r,i,o){const a=this.planes;return a[0].copy(e),a[1].copy(t),a[2].copy(n),a[3].copy(r),a[4].copy(i),a[5].copy(o),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){const t=this.planes,n=e.elements,r=n[0],i=n[1],o=n[2],a=n[3],s=n[4],l=n[5],u=n[6],c=n[7],d=n[8],h=n[9],f=n[10],p=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(a-r,c-s,p-d,y-m).normalize(),t[1].setComponents(a+r,c+s,p+d,y+m).normalize(),t[2].setComponents(a+i,c+l,p+h,y+g).normalize(),t[3].setComponents(a-i,c-l,p-h,y-g).normalize(),t[4].setComponents(a-o,c-u,p-f,y-v).normalize(),t[5].setComponents(a+o,c+u,p+f,y+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),zn.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(zn)}intersectsSprite(e){return zn.center.set(0,0,0),zn.radius=.7071067811865476,zn.applyMatrix4(e.matrixWorld),this.intersectsSphere(zn)}intersectsSphere(e){const t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const r=t[n];if(Un.x=r.normal.x>0?e.max.x:e.min.x,Un.y=r.normal.y>0?e.max.y:e.min.y,Un.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(Un)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function Bn(){let e=null,t=!1,n=null,r=null;function i(t,o){n(t,o),r=e.requestAnimationFrame(i)}return{start:function(){!0!==t&&null!==n&&(r=e.requestAnimationFrame(i),t=!0)},stop:function(){e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Hn(e,t){const n=t.isWebGL2,r=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),r.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);const n=r.get(t);n&&(e.deleteBuffer(n.buffer),r.delete(t))},update:function(t,i){if(t.isGLBufferAttribute){const e=r.get(t);return void((!e||e.version<t.version)&&r.set(t,{buffer:t.buffer,type:t.type,bytesPerElement:t.elementSize,version:t.version}))}t.isInterleavedBufferAttribute&&(t=t.data);const o=r.get(t);void 0===o?r.set(t,function(t,r){const i=t.array,o=t.usage,a=e.createBuffer();let s;if(e.bindBuffer(r,a),e.bufferData(r,i,o),t.onUploadCallback(),i instanceof Float32Array)s=5126;else if(i instanceof Uint16Array)if(t.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");s=5131}else s=5123;else if(i instanceof Int16Array)s=5122;else if(i instanceof Uint32Array)s=5125;else if(i instanceof Int32Array)s=5124;else if(i instanceof Int8Array)s=5120;else if(i instanceof Uint8Array)s=5121;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);s=5121}return{buffer:a,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version}}(t,i)):o.version<t.version&&(function(t,r,i){const o=r.array,a=r.updateRange;e.bindBuffer(i,t),-1===a.count?e.bufferSubData(i,0,o):(n?e.bufferSubData(i,a.offset*o.BYTES_PER_ELEMENT,o,a.offset,a.count):e.bufferSubData(i,a.offset*o.BYTES_PER_ELEMENT,o.subarray(a.offset,a.offset+a.count)),a.count=-1)}(o.buffer,t,i),o.version=t.version)}}}class Vn extends tn{constructor(e=1,t=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:r};const i=e/2,o=t/2,a=Math.floor(n),s=Math.floor(r),l=a+1,u=s+1,c=e/a,d=t/s,h=[],f=[],p=[],m=[];for(let e=0;e<u;e++){const t=e*d-o;for(let n=0;n<l;n++){const r=n*c-i;f.push(r,-t,0),p.push(0,0,1),m.push(n/a),m.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<a;t++){const n=t+l*e,r=t+l*(e+1),i=t+1+l*(e+1),o=t+1+l*e;h.push(n,r,o),h.push(r,i,o)}this.setIndex(h),this.setAttribute("position",new $t(f,3)),this.setAttribute("normal",new $t(p,3)),this.setAttribute("uv",new $t(m,2))}static fromJSON(e){return new Vn(e.width,e.height,e.widthSegments,e.heightSegments)}}const jn={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 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}\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}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float 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\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#ifdef USE_IRIDESCENCE\n\tvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\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 = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );\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\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}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\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",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\t return vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat R21 = R12;\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\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 )\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 )\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",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};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\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}",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\tvec2 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_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\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_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 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, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( 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}",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, 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\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:"#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, 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#if defined( 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, 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#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_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",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 GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, 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 GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\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\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\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, const in GeometricContext geometry, 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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\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 GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",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 GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\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 SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\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, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).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_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).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_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\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};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\n\t#else\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, 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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, 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( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, 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:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\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, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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 *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\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 ], geometry.normal );\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, vUv2 );\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( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\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#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\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\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_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\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, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\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\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\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 = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).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( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\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 OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.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 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\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",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha + 0.1;\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 linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( 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 invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - 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_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, vUv );\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  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n  uniform 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 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 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 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 shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\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 shadow;\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 shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n  uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n  varying 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 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 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 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_SPOT_LIGHT_COORDS > 0 )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_COORDS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#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\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\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.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.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.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\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\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, vUv );\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 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}\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, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmission.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmission.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\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 framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\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 ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 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_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;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\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;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\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 <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\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 <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\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 <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\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, vUv2 );\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 <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\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 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 SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\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_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\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 + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\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 <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\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 <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}"},Gn={common:{diffuse:{value:new pe(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new te},uv2Transform:{value:new te},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new ee(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new 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r={};r.attribute=n,n&&n.data&&(r.data=n.data),i[t]=r,a++}u.attributes=i,u.attributesNum=a,u.index=r}(i,x,h,b)}else{const e=!0===l.wireframe;u.geometry===x.id&&u.program===h.id&&u.wireframe===e||(u.geometry=x.id,u.program=h.id,u.wireframe=e,_=!0)}null!==b&&n.update(b,34963),(_||c)&&(c=!1,function(i,o,a,s){if(!1===r.isWebGL2&&(i.isInstancedMesh||s.isInstancedBufferGeometry)&&null===t.get("ANGLE_instanced_arrays"))return;p();const l=s.attributes,u=a.getAttributes(),c=o.defaultAttributeValues;for(const t in u){const r=u[t];if(r.location>=0){let o=l[t];if(void 0===o&&("instanceMatrix"===t&&i.instanceMatrix&&(o=i.instanceMatrix),"instanceColor"===t&&i.instanceColor&&(o=i.instanceColor)),void 0!==o){const t=o.normalized,a=o.itemSize,l=n.get(o);if(void 0===l)continue;const u=l.buffer,c=l.type,d=l.bytesPerElement;if(o.isInterleavedBufferAttribute){const n=o.data,l=n.stride,h=o.offset;if(n.isInstancedInterleavedBuffer){for(let 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if(l=t.get("ANGLE_instanced_arrays"),u="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[u](o,r,a,s),n.update(a,o,s)}}function Yn(e,t,n){let r;function i(t){if("highp"===t){if(e.getShaderPrecisionFormat(35633,36338).precision>0&&e.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(35633,36337).precision>0&&e.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const o="undefined"!=typeof WebGL2RenderingContext&&e instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&e instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const s=i(a);s!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",s,"instead."),a=s);const l=o||t.has("WEBGL_draw_buffers"),u=!0===n.logarithmicDepthBuffer,c=e.getParameter(34930),d=e.getParameter(35660),h=e.getParameter(3379),f=e.getParameter(34076),p=e.getParameter(34921),m=e.getParameter(36347),g=e.getParameter(36348),v=e.getParameter(36349),y=d>0,x=o||t.has("OES_texture_float");return{isWebGL2:o,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:i,precision:a,logarithmicDepthBuffer:u,maxTextures:c,maxVertexTextures:d,maxTextureSize:h,maxCubemapSize:f,maxAttributes:p,maxVertexUniforms:m,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:y,floatFragmentTextures:x,floatVertexTextures:y&&x,maxSamples:o?e.getParameter(36183):0}}function Zn(e){const t=this;let n=null,r=0,i=!1,o=!1;const a=new Dn,s=new te,l={value:null,needsUpdate:!1};function u(){l.value!==n&&(l.value=n,l.needsUpdate=r>0),t.numPlanes=r,t.numIntersection=0}function c(e,n,r,i){const o=null!==e?e.length:0;let u=null;if(0!==o){if(u=l.value,!0!==i||null===u){const t=r+4*o,i=n.matrixWorldInverse;s.getNormalMatrix(i),(null===u||u.length<t)&&(u=new Float32Array(t));for(let t=0,n=r;t!==o;++t,n+=4)a.copy(e[t]).applyMatrix4(i,s),a.normal.toArray(u,n),u[n+3]=a.constant}l.value=u,l.needsUpdate=!0}return t.numPlanes=o,t.numIntersection=0,u}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t,o){const a=0!==e.length||t||0!==r||i;return i=t,n=c(e,o,0),r=e.length,a},this.beginShadows=function(){o=!0,c(null)},this.endShadows=function(){o=!1,u()},this.setState=function(t,a,s){const d=t.clippingPlanes,h=t.clipIntersection,f=t.clipShadows,p=e.get(t);if(!i||null===d||0===d.length||o&&!f)o?c(null):u();else{const e=o?0:r,t=4*e;let i=p.clippingState||null;l.value=i,i=c(d,a,t,s);for(let e=0;e!==t;++e)i[e]=n[e];p.clippingState=i,this.numIntersection=h?this.numPlanes:0,this.numPlanes+=e}}}function Kn(e){let t=new WeakMap;function n(e,t){return 303===t?e.mapping=o:304===t&&(e.mapping=a),e}function r(e){const n=e.target;n.removeEventListener("dispose",r);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}return{get:function(i){if(i&&i.isTexture&&!1===i.isRenderTargetTexture){const o=i.mapping;if(303===o||304===o){if(t.has(i))return n(t.get(i).texture,i.mapping);{const o=i.image;if(o&&o.height>0){const a=new Ln(o.height/2);return a.fromEquirectangularTexture(e,i),t.set(i,a),i.addEventListener("dispose",r),n(a.texture,i.mapping)}return null}}}return i},dispose:function(){t=new WeakMap}}}Wn.physical={uniforms:Mn([Wn.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new ee(1,1)},clearcoatNormalMap:{value:null},iridescence:{value:0},iridescenceMap:{value:null},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},sheen:{value:0},sheenColor:{value:new pe(0)},sheenColorMap:{value:null},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new ee},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationColor:{value:new pe(0)},specularIntensity:{value:1},specularIntensityMap:{value:null},specularColor:{value:new pe(1,1,1)},specularColorMap:{value:null}}]),vertexShader:jn.meshphysical_vert,fragmentShader:jn.meshphysical_frag};class Jn extends Cn{constructor(e=-1,t=1,n=1,r=-1,i=.1,o=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=r,this.near=i,this.far=o,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,n,r,i,o){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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,r=(this.top+this.bottom)/2;let i=n-e,o=n+e,a=r+t,s=r-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;i+=e*this.view.offsetX,o=i+e*this.view.width,a-=t*this.view.offsetY,s=a-t*this.view.height}this.projectionMatrix.makeOrthographic(i,o,a,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}const Qn=[.125,.215,.35,.446,.526,.582],er=new Jn,tr=new pe;let nr=null;const rr=(1+Math.sqrt(5))/2,ir=1/rr,or=[new Te(1,1,1),new Te(-1,1,1),new Te(1,1,-1),new Te(-1,1,-1),new Te(0,rr,ir),new Te(0,rr,-ir),new Te(ir,0,rr),new Te(-ir,0,rr),new Te(rr,ir,0),new Te(-rr,ir,0)];class ar{constructor(e){this._renderer=e,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(e,t=0,n=.1,r=100){nr=this._renderer.getRenderTarget(),this._setSize(256);const i=this._allocateTargets();return i.depthBuffer=!0,this._sceneToCubeUV(e,n,r,i),t>0&&this._blur(i,0,0,t),this._applyPMREM(i),this._cleanup(i),i}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=cr(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ur(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(nr),e.scissorTest=!1,lr(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===o||e.mapping===a?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),nr=this._renderer.getRenderTarget();const n=t||this._allocateTargets();return this._textureToCubeUV(e,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,n={magFilter:p,minFilter:p,generateMipmaps:!1,type:x,format:_,encoding:R,depthBuffer:!1},r=sr(e,t,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=sr(e,t,n);const{_lodMax:r}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(e){const t=[],n=[],r=[];let i=e;const o=e-4+1+Qn.length;for(let a=0;a<o;a++){const o=Math.pow(2,i);n.push(o);let s=1/o;a>e-4?s=Qn[a-e+4-1]:0===a&&(s=0),r.push(s);const l=1/(o-2),u=-l,c=1+l,d=[u,u,c,u,c,c,u,u,c,c,u,c],h=6,f=6,p=3,m=2,g=1,v=new Float32Array(p*f*h),y=new Float32Array(m*f*h),x=new Float32Array(g*f*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,n=e>2?0:-1,r=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];v.set(r,p*f*e),y.set(d,m*f*e);const i=[e,e,e,e,e,e];x.set(i,g*f*e)}const b=new tn;b.setAttribute("position",new Gt(v,p)),b.setAttribute("uv",new Gt(y,m)),b.setAttribute("faceIndex",new Gt(x,g)),t.push(b),i>4&&i--}return{lodPlanes:t,sizeLods:n,sigmas:r}}(r)),this._blurMaterial=function(e,t,n){const r=new Float32Array(20),i=new Te(0,1,0);return new Tn({name:"SphericalGaussianBlur",defines:{n:20,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:r},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:i}},vertexShader:"\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",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 <cube_uv_reflection_fragment>\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})}(r,e,t)}return r}_compileMaterial(e){const t=new bn(this._lodPlanes[0],e);this._renderer.compile(t,er)}_sceneToCubeUV(e,t,n,r){const i=new An(90,1,t,n),o=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],s=this._renderer,l=s.autoClear,u=s.toneMapping;s.getClearColor(tr),s.toneMapping=0,s.autoClear=!1;const c=new Ht({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),d=new bn(new wn,c);let h=!1;const f=e.background;f?f.isColor&&(c.color.copy(f),e.background=null,h=!0):(c.color.copy(tr),h=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(i.up.set(0,o[t],0),i.lookAt(a[t],0,0)):1===n?(i.up.set(0,0,o[t]),i.lookAt(0,a[t],0)):(i.up.set(0,o[t],0),i.lookAt(0,0,a[t]));const l=this._cubeSize;lr(r,n*l,t>2?l:0,l,l),s.setRenderTarget(r),h&&s.render(d,i),s.render(e,i)}d.geometry.dispose(),d.material.dispose(),s.toneMapping=u,s.autoClear=l,e.background=f}_textureToCubeUV(e,t){const n=this._renderer,r=e.mapping===o||e.mapping===a;r?(null===this._cubemapMaterial&&(this._cubemapMaterial=cr()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=ur());const i=r?this._cubemapMaterial:this._equirectMaterial,s=new bn(this._lodPlanes[0],i);i.uniforms.envMap.value=e;const l=this._cubeSize;lr(t,0,0,3*l,2*l),n.setRenderTarget(t),n.render(s,er)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let t=1;t<this._lodPlanes.length;t++){const n=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),r=or[(t-1)%or.length];this._blur(e,t-1,t,n,r)}t.autoClear=n}_blur(e,t,n,r,i){const o=this._pingPongRenderTarget;this._halfBlur(e,o,t,n,r,"latitudinal",i),this._halfBlur(o,e,n,n,r,"longitudinal",i)}_halfBlur(e,t,n,r,i,o,a){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==o&&"longitudinal"!==o&&console.error("blur direction must be either latitudinal or longitudinal!");const u=new bn(this._lodPlanes[r],l),c=l.uniforms,d=this._sizeLods[n]-1,h=isFinite(i)?Math.PI/(2*d):2*Math.PI/39,f=i/h,p=isFinite(i)?1+Math.floor(3*f):20;p>20&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${p} samples when the maximum is set to 20`);const m=[];let g=0;for(let e=0;e<20;++e){const t=e/f,n=Math.exp(-t*t/2);m.push(n),0===e?g+=n:e<p&&(g+=2*n)}for(let e=0;e<m.length;e++)m[e]=m[e]/g;c.envMap.value=e.texture,c.samples.value=p,c.weights.value=m,c.latitudinal.value="latitudinal"===o,a&&(c.poleAxis.value=a);const{_lodMax:v}=this;c.dTheta.value=h,c.mipInt.value=v-n;const y=this._sizeLods[r];lr(t,3*y*(r>v-4?r-v+4:0),4*(this._cubeSize-y),3*y,2*y),s.setRenderTarget(t),s.render(u,er)}}function sr(e,t,n){const r=new we(e,t,n);return r.texture.mapping=s,r.texture.name="PMREM.cubeUv",r.scissorTest=!0,r}function lr(e,t,n,r,i){e.viewport.set(t,n,r,i),e.scissor.set(t,n,r,i)}function ur(){return new Tn({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:"\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",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 <common>\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 cr(){return new Tn({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:"\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",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, 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n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.customVertexShaderID),n.push(t.customFragmentShaderID)),void 0!==t.defines)for(const e in 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t=m[e.type];let n;if(t){const e=Wn[t];n=En.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let r;for(let e=0,t=c.length;e<t;e++){const t=c[e];if(t.cacheKey===n){r=t,++r.usedTimes;break}}return void 0===r&&(r=new Fi(e,n,t,o),c.push(r)),r},releaseProgram:function(e){if(0==--e.usedTimes){const t=c.indexOf(e);c[t]=c[c.length-1],c.pop(),e.destroy()}},releaseShaderCache:function(e){u.remove(e)},programs:c,dispose:function(){u.dispose()}}}function Gi(){let e=new WeakMap;return{get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,r){e.get(t)[n]=r},dispose:function(){e=new WeakMap}}}function Wi(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function Xi(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function $i(){const e=[];let t=0;const n=[],r=[],i=[];function o(n,r,i,o,a,s){let l=e[t];return void 0===l?(l={id:n.id,object:n,geometry:r,material:i,groupOrder:o,renderOrder:n.renderOrder,z:a,group:s},e[t]=l):(l.id=n.id,l.object=n,l.geometry=r,l.material=i,l.groupOrder=o,l.renderOrder=n.renderOrder,l.z=a,l.group=s),t++,l}return{opaque:n,transmissive:r,transparent:i,init:function(){t=0,n.length=0,r.length=0,i.length=0},push:function(e,t,a,s,l,u){const c=o(e,t,a,s,l,u);a.transmission>0?r.push(c):!0===a.transparent?i.push(c):n.push(c)},unshift:function(e,t,a,s,l,u){const c=o(e,t,a,s,l,u);a.transmission>0?r.unshift(c):!0===a.transparent?i.unshift(c):n.unshift(c)},finish:function(){for(let n=t,r=e.length;n<r;n++){const t=e[n];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t){n.length>1&&n.sort(e||Wi),r.length>1&&r.sort(t||Xi),i.length>1&&i.sort(t||Xi)}}}function qi(){let e=new WeakMap;return{get:function(t,n){const r=e.get(t);let i;return void 0===r?(i=new $i,e.set(t,[i])):n>=r.length?(i=new $i,r.push(i)):i=r[n],i},dispose:function(){e=new WeakMap}}}function Yi(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new Te,color:new pe};break;case"SpotLight":n={position:new Te,direction:new Te,color:new pe,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Te,color:new pe,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Te,skyColor:new pe,groundColor:new pe};break;case"RectAreaLight":n={color:new pe,position:new Te,halfWidth:new Te,halfHeight:new Te}}return e[t.id]=n,n}}}let Zi=0;function Ki(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function Ji(e,t){const n=new Yi,r=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ee};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ee,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.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},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};for(let e=0;e<9;e++)i.probe.push(new Te);const o=new Te,a=new nt,s=new nt;return{setup:function(o,a){let s=0,l=0,u=0;for(let e=0;e<9;e++)i.probe[e].set(0,0,0);let c=0,d=0,h=0,f=0,p=0,m=0,g=0,v=0,y=0,x=0;o.sort(Ki);const b=!0!==a?Math.PI:1;for(let e=0,t=o.length;e<t;e++){const t=o[e],a=t.color,_=t.intensity,w=t.distance,S=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)s+=a.r*_*b,l+=a.g*_*b,u+=a.b*_*b;else if(t.isLightProbe)for(let e=0;e<9;e++)i.probe[e].addScaledVector(t.sh.coefficients[e],_);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*b),t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,i.directionalShadow[c]=n,i.directionalShadowMap[c]=S,i.directionalShadowMatrix[c]=t.shadow.matrix,m++}i.directional[c]=e,c++}else if(t.isSpotLight){const e=n.get(t);e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(a).multiplyScalar(_*b),e.distance=w,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,i.spot[h]=e;const o=t.shadow;if(t.map&&(i.spotLightMap[y]=t.map,y++,o.updateMatrices(t),t.castShadow&&x++),i.spotLightMatrix[h]=o.matrix,t.castShadow){const e=r.get(t);e.shadowBias=o.bias,e.shadowNormalBias=o.normalBias,e.shadowRadius=o.radius,e.shadowMapSize=o.mapSize,i.spotShadow[h]=e,i.spotShadowMap[h]=S,v++}h++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(a).multiplyScalar(_),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),i.rectArea[f]=e,f++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*b),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,i.pointShadow[d]=n,i.pointShadowMap[d]=S,i.pointShadowMatrix[d]=t.shadow.matrix,g++}i.point[d]=e,d++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(_*b),e.groundColor.copy(t.groundColor).multiplyScalar(_*b),i.hemi[p]=e,p++}}f>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(i.rectAreaLTC1=Gn.LTC_FLOAT_1,i.rectAreaLTC2=Gn.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(i.rectAreaLTC1=Gn.LTC_HALF_1,i.rectAreaLTC2=Gn.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. 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e=i.hemi[c];e.direction.setFromMatrixPosition(h.matrixWorld),e.direction.transformDirection(d),c++}}},state:i}}function Qi(e,t){const n=new Ji(e,t),r=[],i=[];return{init:function(){r.length=0,i.length=0},state:{lightsArray:r,shadowsArray:i,lights:n},setupLights:function(e){n.setup(r,e)},setupLightsView:function(e){n.setupView(r,e)},pushLight:function(e){r.push(e)},pushShadow:function(e){i.push(e)}}}function eo(e,t){let n=new WeakMap;return{get:function(r,i=0){const o=n.get(r);let a;return void 0===o?(a=new Qi(e,t),n.set(r,[a])):i>=o.length?(a=new Qi(e,t),o.push(a)):a=o[i],a},dispose:function(){n=new WeakMap}}}class to extends Bt{constructor(e){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(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}class no extends Bt{constructor(e){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.referencePosition=new Te,this.nearDistance=1,this.farDistance=1e3,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function ro(e,t,n){let r=new Fn;const i=new ee,o=new ee,a=new _e,s=new to({depthPacking:3201}),l=new no,u={},c=n.maxTextureSize,h={0:1,1:0,2:2},f=new Tn({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new ee},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 <packing>\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}"}),p=f.clone();p.defines.HORIZONTAL_PASS=1;const m=new tn;m.setAttribute("position",new Gt(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const g=new bn(m,f),v=this;function y(n,r){const o=t.update(g);f.defines.VSM_SAMPLES!==n.blurSamples&&(f.defines.VSM_SAMPLES=n.blurSamples,p.defines.VSM_SAMPLES=n.blurSamples,f.needsUpdate=!0,p.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new 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c.visible=n.visible,c.wireframe=n.wireframe,c.side=3===a?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:h[n.side],c.alphaMap=n.alphaMap,c.alphaTest=n.alphaTest,c.clipShadows=n.clipShadows,c.clippingPlanes=n.clippingPlanes,c.clipIntersection=n.clipIntersection,c.displacementMap=n.displacementMap,c.displacementScale=n.displacementScale,c.displacementBias=n.displacementBias,c.wireframeLinewidth=n.wireframeLinewidth,c.linewidth=n.linewidth,!0===r.isPointLight&&!0===c.isMeshDistanceMaterial&&(c.referencePosition.setFromMatrixPosition(r.matrixWorld),c.nearDistance=i,c.farDistance=o),c}function b(n,i,o,a,s){if(!1===n.visible)return;if(n.layers.test(i.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||r.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(o.matrixWorldInverse,n.matrixWorld);const r=t.update(n),i=n.material;if(Array.isArray(i)){const t=r.groups;for(let l=0,u=t.length;l<u;l++){const u=t[l],c=i[u.materialIndex];if(c&&c.visible){const t=x(n,c,a,o.near,o.far,s);e.renderBufferDirect(o,null,r,t,n,u)}}}else if(i.visible){const t=x(n,i,a,o.near,o.far,s);e.renderBufferDirect(o,null,r,t,n,null)}}const l=n.children;for(let e=0,t=l.length;e<t;e++)b(l[e],i,o,a,s)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1,this.render=function(t,n,s){if(!1===v.enabled)return;if(!1===v.autoUpdate&&!1===v.needsUpdate)return;if(0===t.length)return;const l=e.getRenderTarget(),u=e.getActiveCubeFace(),h=e.getActiveMipmapLevel(),f=e.state;f.setBlending(0),f.buffers.color.setClear(1,1,1,1),f.buffers.depth.setTest(!0),f.setScissorTest(!1);for(let l=0,u=t.length;l<u;l++){const u=t[l],h=u.shadow;if(void 0===h){console.warn("THREE.WebGLShadowMap:",u,"has no shadow.");continue}if(!1===h.autoUpdate&&!1===h.needsUpdate)continue;i.copy(h.mapSize);const 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u=o.convert(a.format,a.encoding),c=o.convert(a.type),d=V(a.internalFormat,u,c,a.encoding);r.get(i).__hasExternalTextures||(32879===l||35866===l?n.texImage3D(l,0,d,i.width,i.height,i.depth,0,u,c,null):n.texImage2D(l,0,d,i.width,i.height,0,u,c,null)),n.bindFramebuffer(36160,t),le(i)?A.framebufferTexture2DMultisampleEXT(36160,s,l,r.get(a).__webglTexture,0,se(i)):(3553===l||l>=34069&&l<=34074)&&e.framebufferTexture2D(36160,s,l,r.get(a).__webglTexture,0),n.bindFramebuffer(36160,null)}function oe(t,n,r){if(e.bindRenderbuffer(36161,t),n.depthBuffer&&!n.stencilBuffer){let i=33189;if(r||le(n)){const t=n.depthTexture;t&&t.isDepthTexture&&(t.type===y?i=36012:t.type===v&&(i=33190));const r=se(n);le(n)?A.renderbufferStorageMultisampleEXT(36161,r,i,n.width,n.height):e.renderbufferStorageMultisample(36161,r,i,n.width,n.height)}else e.renderbufferStorage(36161,i,n.width,n.height);e.framebufferRenderbuffer(36160,36096,36161,t)}else if(n.depthBuffer&&n.stencilBuffer){const i=se(n);r&&!1===le(n)?e.renderbufferStorageMultisample(36161,i,35056,n.width,n.height):le(n)?A.renderbufferStorageMultisampleEXT(36161,i,35056,n.width,n.height):e.renderbufferStorage(36161,34041,n.width,n.height),e.framebufferRenderbuffer(36160,33306,36161,t)}else{const t=!0===n.isWebGLMultipleRenderTargets?n.texture:[n.texture];for(let i=0;i<t.length;i++){const a=t[i],s=o.convert(a.format,a.encoding),l=o.convert(a.type),u=V(a.internalFormat,s,l,a.encoding),c=se(n);r&&!1===le(n)?e.renderbufferStorageMultisample(36161,c,u,n.width,n.height):le(n)?A.renderbufferStorageMultisampleEXT(36161,c,u,n.width,n.height):e.renderbufferStorage(36161,u,n.width,n.height)}}e.bindRenderbuffer(36161,null)}function ae(t){const i=r.get(t),o=!0===t.isWebGLCubeRenderTarget;if(t.depthTexture&&!i.__autoAllocateDepthBuffer){if(o)throw new Error("target.depthTexture not supported in Cube render targets");!function(t,i){if(i&&i.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(n.bindFramebuffer(36160,t),!i.depthTexture||!i.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");r.get(i.depthTexture).__webglTexture&&i.depthTexture.image.width===i.width&&i.depthTexture.image.height===i.height||(i.depthTexture.image.width=i.width,i.depthTexture.image.height=i.height,i.depthTexture.needsUpdate=!0),K(i.depthTexture,0);const o=r.get(i.depthTexture).__webglTexture,a=se(i);if(i.depthTexture.format===w)le(i)?A.framebufferTexture2DMultisampleEXT(36160,36096,3553,o,0,a):e.framebufferTexture2D(36160,36096,3553,o,0);else{if(i.depthTexture.format!==S)throw new Error("Unknown depthTexture format");le(i)?A.framebufferTexture2DMultisampleEXT(36160,33306,3553,o,0,a):e.framebufferTexture2D(36160,33306,3553,o,0)}}(i.__webglFramebuffer,t)}else if(o){i.__webglDepthbuffer=[];for(let r=0;r<6;r++)n.bindFramebuffer(36160,i.__webglFramebuffer[r]),i.__webglDepthbuffer[r]=e.createRenderbuffer(),oe(i.__webglDepthbuffer[r],t,!1)}else n.bindFramebuffer(36160,i.__webglFramebuffer),i.__webglDepthbuffer=e.createRenderbuffer(),oe(i.__webglDepthbuffer,t,!1);n.bindFramebuffer(36160,null)}function se(e){return Math.min(C,e.samples)}function le(e){const n=r.get(e);return s&&e.samples>0&&!0===t.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function ue(e,n){const r=e.encoding,i=e.format,o=e.type;return!0===e.isCompressedTexture||!0===e.isVideoTexture||e.format===U||r!==R&&(r===L?!1===s?!0===t.has("EXT_sRGB")&&i===_?(e.format=U,e.minFilter=p,e.generateMipmaps=!1):n=ge.sRGBToLinear(n):i===_&&o===g||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture encoding:",r)),n}this.allocateTextureUnit=function(){const e=Y;return e>=M&&console.warn("THREE.WebGLTextures: Trying to use "+e+" texture units while this GPU supports only "+M),Y+=1,e},this.resetTextureUnits=function(){Y=0},this.setTexture2D=K,this.setTexture2DArray=function(e,t){const i=r.get(e);e.version>0&&i.__version!==e.version?ne(i,e,t):n.bindTexture(35866,i.__webglTexture,33984+t)},this.setTexture3D=function(e,t){const i=r.get(e);e.version>0&&i.__version!==e.version?ne(i,e,t):n.bindTexture(32879,i.__webglTexture,33984+t)},this.setTextureCube=function(t,i){const a=r.get(t);t.version>0&&a.__version!==t.version?function(t,i,a){if(6!==i.image.length)return;const l=te(t,i),u=i.source;n.bindTexture(34067,t.__webglTexture,33984+a);const c=r.get(u);if(u.version!==c.__version||!0===l){n.activeTexture(33984+a),e.pixelStorei(37440,i.flipY),e.pixelStorei(37441,i.premultiplyAlpha),e.pixelStorei(3317,i.unpackAlignment),e.pixelStorei(37443,0);const t=i.isCompressedTexture||i.image[0].isCompressedTexture,r=i.image[0]&&i.image[0].isDataTexture,d=[];for(let e=0;e<6;e++)d[e]=t||r?r?i.image[e].image:i.image[e]:z(i.image[e],!1,!0,E),d[e]=ue(i,d[e]);const h=d[0],f=F(h)||s,p=o.convert(i.format,i.encoding),m=o.convert(i.type),g=V(i.internalFormat,p,m,i.encoding),v=s&&!0!==i.isVideoTexture,y=void 0===c.__version||!0===l;let x,b=j(i,h,f);if(ee(34067,i,f),t){v&&y&&n.texStorage2D(34067,b,g,h.width,h.height);for(let e=0;e<6;e++){x=d[e].mipmaps;for(let t=0;t<x.length;t++){const r=x[t];i.format!==_?null!==p?v?n.compressedTexSubImage2D(34069+e,t,0,0,r.width,r.height,p,r.data):n.compressedTexImage2D(34069+e,t,g,r.width,r.height,0,r.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):v?n.texSubImage2D(34069+e,t,0,0,r.width,r.height,p,m,r.data):n.texImage2D(34069+e,t,g,r.width,r.height,0,p,m,r.data)}}}else{x=i.mipmaps,v&&y&&(x.length>0&&b++,n.texStorage2D(34067,b,g,d[0].width,d[0].height));for(let e=0;e<6;e++)if(r){v?n.texSubImage2D(34069+e,0,0,0,d[e].width,d[e].height,p,m,d[e].data):n.texImage2D(34069+e,0,g,d[e].width,d[e].height,0,p,m,d[e].data);for(let t=0;t<x.length;t++){const r=x[t].image[e].image;v?n.texSubImage2D(34069+e,t+1,0,0,r.width,r.height,p,m,r.data):n.texImage2D(34069+e,t+1,g,r.width,r.height,0,p,m,r.data)}}else{v?n.texSubImage2D(34069+e,0,0,0,p,m,d[e]):n.texImage2D(34069+e,0,g,p,m,d[e]);for(let t=0;t<x.length;t++){const r=x[t];v?n.texSubImage2D(34069+e,t+1,0,0,p,m,r.image[e]):n.texImage2D(34069+e,t+1,g,p,m,r.image[e])}}}B(i,f)&&H(34067),c.__version=u.version,i.onUpdate&&i.onUpdate(i)}t.__version=i.version}(a,t,i):n.bindTexture(34067,a.__webglTexture,33984+i)},this.rebindTextures=function(e,t,n){const i=r.get(e);void 0!==t&&ie(i.__webglFramebuffer,e,e.texture,36064,3553),void 0!==n&&ae(e)},this.setupRenderTarget=function(t){const l=t.texture,u=r.get(t),c=r.get(l);t.addEventListener("dispose",X),!0!==t.isWebGLMultipleRenderTargets&&(void 0===c.__webglTexture&&(c.__webglTexture=e.createTexture()),c.__version=l.version,a.memory.textures++);const d=!0===t.isWebGLCubeRenderTarget,h=!0===t.isWebGLMultipleRenderTargets,f=F(t)||s;if(d){u.__webglFramebuffer=[];for(let t=0;t<6;t++)u.__webglFramebuffer[t]=e.createFramebuffer()}else{if(u.__webglFramebuffer=e.createFramebuffer(),h)if(i.drawBuffers){const n=t.texture;for(let t=0,i=n.length;t<i;t++){const i=r.get(n[t]);void 0===i.__webglTexture&&(i.__webglTexture=e.createTexture(),a.memory.textures++)}}else console.warn("THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.");if(s&&t.samples>0&&!1===le(t)){const r=h?l:[l];u.__webglMultisampledFramebuffer=e.createFramebuffer(),u.__webglColorRenderbuffer=[],n.bindFramebuffer(36160,u.__webglMultisampledFramebuffer);for(let n=0;n<r.length;n++){const i=r[n];u.__webglColorRenderbuffer[n]=e.createRenderbuffer(),e.bindRenderbuffer(36161,u.__webglColorRenderbuffer[n]);const a=o.convert(i.format,i.encoding),s=o.convert(i.type),l=V(i.internalFormat,a,s,i.encoding,!0===t.isXRRenderTarget),c=se(t);e.renderbufferStorageMultisample(36161,c,l,t.width,t.height),e.framebufferRenderbuffer(36160,36064+n,36161,u.__webglColorRenderbuffer[n])}e.bindRenderbuffer(36161,null),t.depthBuffer&&(u.__webglDepthRenderbuffer=e.createRenderbuffer(),oe(u.__webglDepthRenderbuffer,t,!0)),n.bindFramebuffer(36160,null)}}if(d){n.bindTexture(34067,c.__webglTexture),ee(34067,l,f);for(let e=0;e<6;e++)ie(u.__webglFramebuffer[e],t,l,36064,34069+e);B(l,f)&&H(34067),n.unbindTexture()}else if(h){const e=t.texture;for(let i=0,o=e.length;i<o;i++){const o=e[i],a=r.get(o);n.bindTexture(3553,a.__webglTexture),ee(3553,o,f),ie(u.__webglFramebuffer,t,o,36064+i,3553),B(o,f)&&H(3553)}n.unbindTexture()}else{let e=3553;(t.isWebGL3DRenderTarget||t.isWebGLArrayRenderTarget)&&(s?e=t.isWebGL3DRenderTarget?32879:35866:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(e,c.__webglTexture),ee(e,l,f),ie(u.__webglFramebuffer,t,l,36064,e),B(l,f)&&H(e),n.unbindTexture()}t.depthBuffer&&ae(t)},this.updateRenderTargetMipmap=function(e){const t=F(e)||s,i=!0===e.isWebGLMultipleRenderTargets?e.texture:[e.texture];for(let o=0,a=i.length;o<a;o++){const a=i[o];if(B(a,t)){const t=e.isWebGLCubeRenderTarget?34067:3553,i=r.get(a).__webglTexture;n.bindTexture(t,i),H(t),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(t){if(s&&t.samples>0&&!1===le(t)){const i=t.isWebGLMultipleRenderTargets?t.texture:[t.texture],o=t.width,a=t.height;let s=16384;const l=[],u=t.stencilBuffer?33306:36096,c=r.get(t),d=!0===t.isWebGLMultipleRenderTargets;if(d)for(let t=0;t<i.length;t++)n.bindFramebuffer(36160,c.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064+t,36161,null),n.bindFramebuffer(36160,c.__webglFramebuffer),e.framebufferTexture2D(36009,36064+t,3553,null,0);n.bindFramebuffer(36008,c.__webglMultisampledFramebuffer),n.bindFramebuffer(36009,c.__webglFramebuffer);for(let n=0;n<i.length;n++){l.push(36064+n),t.depthBuffer&&l.push(u);const h=void 0!==c.__ignoreDepthValues&&c.__ignoreDepthValues;if(!1===h&&(t.depthBuffer&&(s|=256),t.stencilBuffer&&(s|=1024)),d&&e.framebufferRenderbuffer(36008,36064,36161,c.__webglColorRenderbuffer[n]),!0===h&&(e.invalidateFramebuffer(36008,[u]),e.invalidateFramebuffer(36009,[u])),d){const t=r.get(i[n]).__webglTexture;e.framebufferTexture2D(36009,36064,3553,t,0)}e.blitFramebuffer(0,0,o,a,0,0,o,a,s,9728),k&&e.invalidateFramebuffer(36008,l)}if(n.bindFramebuffer(36008,null),n.bindFramebuffer(36009,null),d)for(let t=0;t<i.length;t++){n.bindFramebuffer(36160,c.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064+t,36161,c.__webglColorRenderbuffer[t]);const o=r.get(i[t]).__webglTexture;n.bindFramebuffer(36160,c.__webglFramebuffer),e.framebufferTexture2D(36009,36064+t,3553,o,0)}n.bindFramebuffer(36009,c.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=ae,this.setupFrameBufferTexture=ie,this.useMultisampledRTT=le}function ao(e,t,n){const r=n.isWebGL2;return{convert:function(n,i=null){let o;if(n===g)return 5121;if(1017===n)return 32819;if(1018===n)return 32820;if(1010===n)return 5120;if(1011===n)return 5122;if(1012===n)return 5123;if(1013===n)return 5124;if(n===v)return 5125;if(n===y)return 5126;if(n===x)return r?5131:(o=t.get("OES_texture_half_float"),null!==o?o.HALF_FLOAT_OES:null);if(1021===n)return 6406;if(n===_)return 6408;if(1024===n)return 6409;if(1025===n)return 6410;if(n===w)return 6402;if(n===S)return 34041;if(1028===n)return 6403;if(1022===n)return console.warn("THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228"),6408;if(n===U)return o=t.get("EXT_sRGB"),null!==o?o.SRGB_ALPHA_EXT:null;if(1029===n)return 36244;if(1030===n)return 33319;if(1031===n)return 33320;if(1033===n)return 36249;if(n===M||n===E||n===T||n===C)if(i===L){if(o=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===o)return null;if(n===M)return o.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===E)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===T)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===C)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(o=t.get("WEBGL_compressed_texture_s3tc"),null===o)return null;if(n===M)return o.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===E)return o.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===T)return o.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===C)return o.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===n||35841===n||35842===n||35843===n){if(o=t.get("WEBGL_compressed_texture_pvrtc"),null===o)return null;if(35840===n)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===n)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===n)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===n)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return o=t.get("WEBGL_compressed_texture_etc1"),null!==o?o.COMPRESSED_RGB_ETC1_WEBGL:null;if(37492===n||37496===n){if(o=t.get("WEBGL_compressed_texture_etc"),null===o)return null;if(37492===n)return i===L?o.COMPRESSED_SRGB8_ETC2:o.COMPRESSED_RGB8_ETC2;if(37496===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:o.COMPRESSED_RGBA8_ETC2_EAC}if(37808===n||37809===n||37810===n||37811===n||37812===n||37813===n||37814===n||37815===n||37816===n||37817===n||37818===n||37819===n||37820===n||37821===n){if(o=t.get("WEBGL_compressed_texture_astc"),null===o)return null;if(37808===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:o.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:o.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:o.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:o.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:o.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:o.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:o.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:o.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:o.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:o.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:o.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:o.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:o.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:o.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===n){if(o=t.get("EXT_texture_compression_bptc"),null===o)return null;if(36492===n)return i===L?o.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:o.COMPRESSED_RGBA_BPTC_UNORM_EXT}return n===b?r?34042:(o=t.get("WEBGL_depth_texture"),null!==o?o.UNSIGNED_INT_24_8_WEBGL:null):void 0!==e[n]?e[n]:null}}}class so extends An{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e}}class lo extends Ct{constructor(){super(),this.isGroup=!0,this.type="Group"}}const uo={type:"move"};class co{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new lo,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new lo,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Te,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Te),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new lo,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Te,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Te),this._grip}dispatchEvent(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(e,t,n){let r=null,i=null,o=null;const a=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState){if(l&&e.hand){o=!0;for(const r of e.hand.values()){const e=t.getJointPose(r,n);if(void 0===l.joints[r.jointName]){const e=new lo;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[r.jointName]=e,l.add(e)}const i=l.joints[r.jointName];null!==e&&(i.matrix.fromArray(e.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.jointRadius=e.radius),i.visible=null!==e}const r=l.joints["index-finger-tip"],i=l.joints["thumb-tip"],a=r.position.distanceTo(i.position),s=.02,u=.005;l.inputState.pinching&&a>s+u?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&a<=s-u&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==s&&e.gripSpace&&(i=t.getPose(e.gripSpace,n),null!==i&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1));null!==a&&(r=t.getPose(e.targetRaySpace,n),null===r&&null!==i&&(r=i),null!==r&&(a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),r.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(r.linearVelocity)):a.hasLinearVelocity=!1,r.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(r.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(uo)))}return null!==a&&(a.visible=null!==r),null!==s&&(s.visible=null!==i),null!==l&&(l.visible=null!==o),this}}class ho extends be{constructor(e,t,n,r,i,o,a,s,l,u){if((u=void 0!==u?u:w)!==w&&u!==S)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&u===w&&(n=v),void 0===n&&u===S&&(n=b),super(null,r,i,o,a,s,u,n,l),this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=void 0!==a?a:d,this.minFilter=void 0!==s?s:d,this.flipY=!1,this.generateMipmaps=!1}}class fo extends F{constructor(e,t){super();const n=this;let r=null,i=1,o=null,a="local-floor",s=null,l=null,u=null,c=null,d=null,h=null;const f=t.getContextAttributes();let p=null,m=null;const y=[],x=[],M=new An;M.layers.enable(1),M.viewport=new _e;const E=new An;E.layers.enable(2),E.viewport=new _e;const T=[M,E],C=new so;C.layers.enable(1),C.layers.enable(2);let A=null,k=null;function P(e){const t=x.indexOf(e.inputSource);if(-1===t)return;const n=y[t];void 0!==n&&n.dispatchEvent({type:e.type,data:e.inputSource})}function R(){r.removeEventListener("select",P),r.removeEventListener("selectstart",P),r.removeEventListener("selectend",P),r.removeEventListener("squeeze",P),r.removeEventListener("squeezestart",P),r.removeEventListener("squeezeend",P),r.removeEventListener("end",R),r.removeEventListener("inputsourceschange",L);for(let e=0;e<y.length;e++){const t=x[e];null!==t&&(x[e]=null,y[e].disconnect(t))}A=null,k=null,e.setRenderTarget(p),d=null,c=null,u=null,r=null,m=null,z.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function L(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],r=x.indexOf(n);r>=0&&(x[r]=null,y[r].dispatchEvent({type:"disconnected",data:n}))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let r=x.indexOf(n);if(-1===r){for(let e=0;e<y.length;e++){if(e>=x.length){x.push(n),r=e;break}if(null===x[e]){x[e]=n,r=e;break}}if(-1===r)break}const i=y[r];i&&i.dispatchEvent({type:"connected",data:n})}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getGripSpace()},this.getHand=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){i=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){a=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return s||o},this.setReferenceSpace=function(e){s=e},this.getBaseLayer=function(){return null!==c?c:d},this.getBinding=function(){return u},this.getFrame=function(){return h},this.getSession=function(){return r},this.setSession=async function(l){if(r=l,null!==r){if(p=e.getRenderTarget(),r.addEventListener("select",P),r.addEventListener("selectstart",P),r.addEventListener("selectend",P),r.addEventListener("squeeze",P),r.addEventListener("squeezestart",P),r.addEventListener("squeezeend",P),r.addEventListener("end",R),r.addEventListener("inputsourceschange",L),!0!==f.xrCompatible&&await t.makeXRCompatible(),void 0===r.renderState.layers||!1===e.capabilities.isWebGL2){const n={antialias:void 0!==r.renderState.layers||f.antialias,alpha:f.alpha,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:i};d=new XRWebGLLayer(r,t,n),r.updateRenderState({baseLayer:d}),m=new we(d.framebufferWidth,d.framebufferHeight,{format:_,type:g,encoding:e.outputEncoding,stencilBuffer:f.stencil})}else{let n=null,o=null,a=null;f.depth&&(a=f.stencil?35056:33190,n=f.stencil?S:w,o=f.stencil?b:v);const s={colorFormat:32856,depthFormat:a,scaleFactor:i};u=new XRWebGLBinding(r,t),c=u.createProjectionLayer(s),r.updateRenderState({layers:[c]}),m=new we(c.textureWidth,c.textureHeight,{format:_,type:g,depthTexture:new ho(c.textureWidth,c.textureHeight,o,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,encoding:e.outputEncoding,samples:f.antialias?4:0}),e.properties.get(m).__ignoreDepthValues=c.ignoreDepthValues}m.isXRRenderTarget=!0,this.setFoveation(1),s=null,o=await r.requestReferenceSpace(a),z.setContext(r),z.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const I=new Te,N=new Te;function O(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===r)return;C.near=E.near=M.near=e.near,C.far=E.far=M.far=e.far,A===C.near&&k===C.far||(r.updateRenderState({depthNear:C.near,depthFar:C.far}),A=C.near,k=C.far);const t=e.parent,n=C.cameras;O(C,t);for(let e=0;e<n.length;e++)O(n[e],t);C.matrixWorld.decompose(C.position,C.quaternion,C.scale),e.matrix.copy(C.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const i=e.children;for(let e=0,t=i.length;e<t;e++)i[e].updateMatrixWorld(!0);2===n.length?function(e,t,n){I.setFromMatrixPosition(t.matrixWorld),N.setFromMatrixPosition(n.matrixWorld);const r=I.distanceTo(N),i=t.projectionMatrix.elements,o=n.projectionMatrix.elements,a=i[14]/(i[10]-1),s=i[14]/(i[10]+1),l=(i[9]+1)/i[5],u=(i[9]-1)/i[5],c=(i[8]-1)/i[0],d=(o[8]+1)/o[0],h=a*c,f=a*d,p=r/(-c+d),m=p*-c;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(p),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=a+p,v=s+p,y=h-m,x=f+(r-m),b=l*s/v*g,_=u*s/v*g;e.projectionMatrix.makePerspective(y,x,b,_,g,v)}(C,M,E):C.projectionMatrix.copy(M.projectionMatrix)},this.getCamera=function(){return C},this.getFoveation=function(){return null!==c?c.fixedFoveation:null!==d?d.fixedFoveation:void 0},this.setFoveation=function(e){null!==c&&(c.fixedFoveation=e),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=e)};let D=null;const z=new Bn;z.setAnimationLoop((function(t,n){if(l=n.getViewerPose(s||o),h=n,null!==l){const t=l.views;null!==d&&(e.setRenderTargetFramebuffer(m,d.framebuffer),e.setRenderTarget(m));let n=!1;t.length!==C.cameras.length&&(C.cameras.length=0,n=!0);for(let r=0;r<t.length;r++){const i=t[r];let o=null;if(null!==d)o=d.getViewport(i);else{const t=u.getViewSubImage(c,i);o=t.viewport,0===r&&(e.setRenderTargetTextures(m,t.colorTexture,c.ignoreDepthValues?void 0:t.depthStencilTexture),e.setRenderTarget(m))}let a=T[r];void 0===a&&(a=new An,a.layers.enable(r),a.viewport=new _e,T[r]=a),a.matrix.fromArray(i.transform.matrix),a.projectionMatrix.fromArray(i.projectionMatrix),a.viewport.set(o.x,o.y,o.width,o.height),0===r&&C.matrix.copy(a.matrix),!0===n&&C.cameras.push(a)}}for(let e=0;e<y.length;e++){const t=x[e],r=y[e];null!==t&&void 0!==r&&r.update(t,n,s||o)}D&&D(t,n),h=null})),this.setAnimationLoop=function(e){D=e},this.dispose=function(){}}}function po(e,t){function n(n,r){n.opacity.value=r.opacity,r.color&&n.diffuse.value.copy(r.color),r.emissive&&n.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(n.map.value=r.map),r.alphaMap&&(n.alphaMap.value=r.alphaMap),r.bumpMap&&(n.bumpMap.value=r.bumpMap,n.bumpScale.value=r.bumpScale,1===r.side&&(n.bumpScale.value*=-1)),r.displacementMap&&(n.displacementMap.value=r.displacementMap,n.displacementScale.value=r.displacementScale,n.displacementBias.value=r.displacementBias),r.emissiveMap&&(n.emissiveMap.value=r.emissiveMap),r.normalMap&&(n.normalMap.value=r.normalMap,n.normalScale.value.copy(r.normalScale),1===r.side&&n.normalScale.value.negate()),r.specularMap&&(n.specularMap.value=r.specularMap),r.alphaTest>0&&(n.alphaTest.value=r.alphaTest);const i=t.get(r).envMap;if(i&&(n.envMap.value=i,n.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,n.reflectivity.value=r.reflectivity,n.ior.value=r.ior,n.refractionRatio.value=r.refractionRatio),r.lightMap){n.lightMap.value=r.lightMap;const t=!0!==e.physicallyCorrectLights?Math.PI:1;n.lightMapIntensity.value=r.lightMapIntensity*t}let o,a;r.aoMap&&(n.aoMap.value=r.aoMap,n.aoMapIntensity.value=r.aoMapIntensity),r.map?o=r.map:r.specularMap?o=r.specularMap:r.displacementMap?o=r.displacementMap:r.normalMap?o=r.normalMap:r.bumpMap?o=r.bumpMap:r.roughnessMap?o=r.roughnessMap:r.metalnessMap?o=r.metalnessMap:r.alphaMap?o=r.alphaMap:r.emissiveMap?o=r.emissiveMap:r.clearcoatMap?o=r.clearcoatMap:r.clearcoatNormalMap?o=r.clearcoatNormalMap:r.clearcoatRoughnessMap?o=r.clearcoatRoughnessMap:r.iridescenceMap?o=r.iridescenceMap:r.iridescenceThicknessMap?o=r.iridescenceThicknessMap:r.specularIntensityMap?o=r.specularIntensityMap:r.specularColorMap?o=r.specularColorMap:r.transmissionMap?o=r.transmissionMap:r.thicknessMap?o=r.thicknessMap:r.sheenColorMap?o=r.sheenColorMap:r.sheenRoughnessMap&&(o=r.sheenRoughnessMap),void 0!==o&&(o.isWebGLRenderTarget&&(o=o.texture),!0===o.matrixAutoUpdate&&o.updateMatrix(),n.uvTransform.value.copy(o.matrix)),r.aoMap?a=r.aoMap:r.lightMap&&(a=r.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),n.uv2Transform.value.copy(a.matrix))}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,r,i,o,a){r.isMeshBasicMaterial||r.isMeshLambertMaterial?n(e,r):r.isMeshToonMaterial?(n(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,r)):r.isMeshPhongMaterial?(n(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,r)):r.isMeshStandardMaterial?(n(e,r),function(e,n){e.roughness.value=n.roughness,e.metalness.value=n.metalness,n.roughnessMap&&(e.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(e.metalnessMap.value=n.metalnessMap),t.get(n).envMap&&(e.envMapIntensity.value=n.envMapIntensity)}(e,r),r.isMeshPhysicalMaterial&&function(e,t,n){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap)),t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,1===t.side&&e.clearcoatNormalScale.value.negate())),t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap)),t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=n.texture,e.transmissionSamplerSize.value.set(n.width,n.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor)),e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap)}(e,r,a)):r.isMeshMatcapMaterial?(n(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,r)):r.isMeshDepthMaterial?n(e,r):r.isMeshDistanceMaterial?(n(e,r),function(e,t){e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,r)):r.isMeshNormalMaterial?n(e,r):r.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,r),r.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,r)):r.isPointsMaterial?function(e,t,n,r){let i;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*r,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.alphaTest>0&&(e.alphaTest.value=t.alphaTest),t.map?i=t.map:t.alphaMap&&(i=t.alphaMap),void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix))}(e,r,i,o):r.isSpriteMaterial?function(e,t){let n;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.alphaTest>0&&(e.alphaTest.value=t.alphaTest),t.map?n=t.map:t.alphaMap&&(n=t.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,r):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function mo(e,t,n,r){let i={},o={},a=[];const s=n.isWebGL2?e.getParameter(35375):0;function l(e,t,n){const r=e.value;if(void 0===n[t])return 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r=0;for(let e=0,i=t.length;e<i;e++){const i=t[e],o=u(i);if(i.__data=new Float32Array(o.storage/Float32Array.BYTES_PER_ELEMENT),i.__offset=n,e>0){r=n%16;const e=16-r;0!==r&&e-o.boundary<0&&(n+=16-r,i.__offset=n)}n+=o.storage}r=n%16,r>0&&(n+=16-r),e.__size=n,e.__cache={}}(n),h=function(t){const n=function(){for(let e=0;e<s;e++)if(-1===a.indexOf(e))return a.push(e),e;return console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."),0}();t.__bindingPointIndex=n;const r=e.createBuffer(),i=t.__size,o=t.usage;return e.bindBuffer(35345,r),e.bufferData(35345,i,o),e.bindBuffer(35345,null),e.bindBufferBase(35345,n,r),r}(n),i[n.id]=h,n.addEventListener("dispose",c));const f=d.program;r.updateUBOMapping(n,f);const p=t.render.frame;o[n.id]!==p&&(function(t){const n=i[t.id],r=t.uniforms,o=t.__cache;e.bindBuffer(35345,n);for(let t=0,n=r.length;t<n;t++){const n=r[t];if(!0===l(n,t,o)){const t=n.value,r=n.__offset;"number"==typeof 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Fe(e,t,n,r,i,o){e.onBeforeRender(v,t,n,r,i,o),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),i.onBeforeRender(v,t,n,r,e,o),!0===i.transparent&&2===i.side?(i.side=1,i.needsUpdate=!0,v.renderBufferDirect(n,t,r,i,e,o),i.side=0,i.needsUpdate=!0,v.renderBufferDirect(n,t,r,i,e,o),i.side=2):v.renderBufferDirect(n,t,r,i,e,o),e.onAfterRender(v,t,n,r,i,o)}function Be(e,t,n){!0!==t.isScene&&(t=X);const r=Q.get(e),i=h.state.lights,o=h.state.shadowsArray,a=i.state.version,s=le.getParameters(e,i.state,o,t,n),l=le.getProgramCacheKey(s);let u=r.programs;r.environment=e.isMeshStandardMaterial?t.environment:null,r.fog=t.fog,r.envMap=(e.isMeshStandardMaterial?ie:ne).get(e.envMap||r.environment),void 0===u&&(e.addEventListener("dispose",Re),u=new Map,r.programs=u);let c=u.get(l);if(void 0!==c){if(r.currentProgram===c&&r.lightsStateVersion===a)return He(e,s),c}else s.uniforms=le.getUniforms(e),e.onBuild(n,s,v),e.onBeforeCompile(s,v),c=le.acquireProgram(s,l),u.set(l,c),r.uniforms=s.uniforms;const d=r.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(d.clippingPlanes=he.uniform),He(e,s),r.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),r.lightsStateVersion=a,r.needsLights&&(d.ambientLightColor.value=i.state.ambient,d.lightProbe.value=i.state.probe,d.directionalLights.value=i.state.directional,d.directionalLightShadows.value=i.state.directionalShadow,d.spotLights.value=i.state.spot,d.spotLightShadows.value=i.state.spotShadow,d.rectAreaLights.value=i.state.rectArea,d.ltc_1.value=i.state.rectAreaLTC1,d.ltc_2.value=i.state.rectAreaLTC2,d.pointLights.value=i.state.point,d.pointLightShadows.value=i.state.pointShadow,d.hemisphereLights.value=i.state.hemi,d.directionalShadowMap.value=i.state.directionalShadowMap,d.directionalShadowMatrix.value=i.state.directionalShadowMatrix,d.spotShadowMap.value=i.state.spotShadowMap,d.spotLightMatrix.value=i.state.spotLightMatrix,d.spotLightMap.value=i.state.spotLightMap,d.pointShadowMap.value=i.state.pointShadowMap,d.pointShadowMatrix.value=i.state.pointShadowMatrix);const f=c.getUniforms(),p=Si.seqWithValue(f.seq,d);return r.currentProgram=c,r.uniformsList=p,c}function He(e,t){const n=Q.get(e);n.outputEncoding=t.outputEncoding,n.instancing=t.instancing,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}Oe.setAnimationLoop((function(e){Le&&Le(e)})),"undefined"!=typeof self&&Oe.setContext(self),this.setAnimationLoop=function(e){Le=e,Ce.setAnimationLoop(e),null===e?Oe.stop():Oe.start()},Ce.addEventListener("sessionstart",Ie),Ce.addEventListener("sessionend",Ne),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===b)return;!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===Ce.enabled&&!0===Ce.isPresenting&&(!0===Ce.cameraAutoUpdate&&Ce.updateCamera(t),t=Ce.getCamera()),!0===e.isScene&&e.onBeforeRender(v,e,t,M),h=de.get(e,p.length),h.init(),p.push(h),j.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),F.setFromProjectionMatrix(j),H=this.localClippingEnabled,B=he.init(this.clippingPlanes,H,t),d=ce.get(e,f.length),d.init(),f.push(d),De(e,t,0,v.sortObjects),d.finish(),!0===v.sortObjects&&d.sort(N,O),!0===B&&he.beginShadows();const n=h.state.shadowsArray;if(fe.render(n,e,t),!0===B&&he.endShadows(),!0===this.info.autoReset&&this.info.reset(),pe.render(d,e),h.setupLights(v.physicallyCorrectLights),t.isArrayCamera){const n=t.cameras;for(let t=0,r=n.length;t<r;t++){const r=n[t];ze(d,e,r,r.viewport)}}else ze(d,e,t);null!==M&&(te.updateMultisampleRenderTarget(M),te.updateRenderTargetMipmap(M)),!0===e.isScene&&e.onAfterRender(v,e,t),xe.resetDefaultState(),E=-1,T=null,p.pop(),h=p.length>0?p[p.length-1]:null,f.pop(),d=f.length>0?f[f.length-1]:null},this.getActiveCubeFace=function(){return w},this.getActiveMipmapLevel=function(){return S},this.getRenderTarget=function(){return M},this.setRenderTargetTextures=function(e,t,n){Q.get(e.texture).__webglTexture=t,Q.get(e.depthTexture).__webglTexture=n;const r=Q.get(e);r.__hasExternalTextures=!0,r.__hasExternalTextures&&(r.__autoAllocateDepthBuffer=void 0===n,r.__autoAllocateDepthBuffer||!0===q.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),r.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(e,t){const n=Q.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t},this.setRenderTarget=function(e,t=0,n=0){M=e,w=t,S=n;let r=!0,i=null,o=!1,a=!1;if(e){const n=Q.get(e);void 0!==n.__useDefaultFramebuffer?(K.bindFramebuffer(36160,null),r=!1):void 0===n.__webglFramebuffer?te.setupRenderTarget(e):n.__hasExternalTextures&&te.rebindTextures(e,Q.get(e.texture).__webglTexture,Q.get(e.depthTexture).__webglTexture);const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=Q.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=l[t],o=!0):i=Y.isWebGL2&&e.samples>0&&!1===te.useMultisampledRTT(e)?Q.get(e).__webglMultisampledFramebuffer:l,C.copy(e.viewport),A.copy(e.scissor),k=e.scissorTest}else C.copy(D).multiplyScalar(I).floor(),A.copy(z).multiplyScalar(I).floor(),k=U;if(K.bindFramebuffer(36160,i)&&Y.drawBuffers&&r&&K.drawBuffers(e,i),K.viewport(C),K.scissor(A),K.setScissorTest(k),o){const r=Q.get(e.texture);Se.framebufferTexture2D(36160,36064,34069+t,r.__webglTexture,n)}else if(a){const r=Q.get(e.texture),i=t||0;Se.framebufferTextureLayer(36160,36064,r.__webglTexture,n||0,i)}E=-1},this.readRenderTargetPixels=function(e,t,n,r,i,o,a){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=Q.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==a&&(s=s[a]),s){K.bindFramebuffer(36160,s);try{const a=e.texture,s=a.format,l=a.type;if(s!==_&&ye.convert(s)!==Se.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const u=l===x&&(q.has("EXT_color_buffer_half_float")||Y.isWebGL2&&q.has("EXT_color_buffer_float"));if(!(l===g||ye.convert(l)===Se.getParameter(35738)||l===y&&(Y.isWebGL2||q.has("OES_texture_float")||q.has("WEBGL_color_buffer_float"))||u))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-r&&n>=0&&n<=e.height-i&&Se.readPixels(t,n,r,i,ye.convert(s),ye.convert(l),o)}finally{const e=null!==M?Q.get(M).__webglFramebuffer:null;K.bindFramebuffer(36160,e)}}},this.copyFramebufferToTexture=function(e,t,n=0){const r=Math.pow(2,-n),i=Math.floor(t.image.width*r),o=Math.floor(t.image.height*r);te.setTexture2D(t,0),Se.copyTexSubImage2D(3553,n,0,0,e.x,e.y,i,o),K.unbindTexture()},this.copyTextureToTexture=function(e,t,n,r=0){const i=t.image.width,o=t.image.height,a=ye.convert(n.format),s=ye.convert(n.type);te.setTexture2D(n,0),Se.pixelStorei(37440,n.flipY),Se.pixelStorei(37441,n.premultiplyAlpha),Se.pixelStorei(3317,n.unpackAlignment),t.isDataTexture?Se.texSubImage2D(3553,r,e.x,e.y,i,o,a,s,t.image.data):t.isCompressedTexture?Se.compressedTexSubImage2D(3553,r,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,a,t.mipmaps[0].data):Se.texSubImage2D(3553,r,e.x,e.y,a,s,t.image),0===r&&n.generateMipmaps&&Se.generateMipmap(3553),K.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,r,i=0){if(v.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const o=e.max.x-e.min.x+1,a=e.max.y-e.min.y+1,s=e.max.z-e.min.z+1,l=ye.convert(r.format),u=ye.convert(r.type);let c;if(r.isData3DTexture)te.setTexture3D(r,0),c=32879;else{if(!r.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");te.setTexture2DArray(r,0),c=35866}Se.pixelStorei(37440,r.flipY),Se.pixelStorei(37441,r.premultiplyAlpha),Se.pixelStorei(3317,r.unpackAlignment);const d=Se.getParameter(3314),h=Se.getParameter(32878),f=Se.getParameter(3316),p=Se.getParameter(3315),m=Se.getParameter(32877),g=n.isCompressedTexture?n.mipmaps[0]:n.image;Se.pixelStorei(3314,g.width),Se.pixelStorei(32878,g.height),Se.pixelStorei(3316,e.min.x),Se.pixelStorei(3315,e.min.y),Se.pixelStorei(32877,e.min.z),n.isDataTexture||n.isData3DTexture?Se.texSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,u,g.data):n.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),Se.compressedTexSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,g.data)):Se.texSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,u,g),Se.pixelStorei(3314,d),Se.pixelStorei(32878,h),Se.pixelStorei(3316,f),Se.pixelStorei(3315,p),Se.pixelStorei(32877,m),0===i&&r.generateMipmaps&&Se.generateMipmap(c),K.unbindTexture()},this.initTexture=function(e){e.isCubeTexture?te.setTextureCube(e,0):e.isData3DTexture?te.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?te.setTexture2DArray(e,0):te.setTexture2D(e,0),K.unbindTexture()},this.resetState=function(){w=0,S=0,M=null,K.reset(),xe.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}(class extends go{}).prototype.isWebGL1Renderer=!0;class vo{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new pe(e),this.density=t}clone(){return new vo(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}class yo extends Ct{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.fog&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.backgroundBlurriness=this.backgroundBlurriness),t}get autoUpdate(){return console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate}set autoUpdate(e){console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate=e}}class xo{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=D,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=G()}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let r=0,i=this.stride;r<i;r++)this.array[e+r]=t.array[n+r];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=G()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=G()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const bo=new Te;class _o{constructor(e,t,n,r=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=!0===r}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.applyMatrix4(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.applyNormalMatrix(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.transformDirection(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}setX(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=K(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=K(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=K(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=K(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array),i=J(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this.data.array[e+3]=i,this}clone(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new Gt(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new _o(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}const wo=new Te,So=new _e,Mo=new _e,Eo=new Te,To=new nt;class Co extends bn{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new nt,this.bindMatrixInverse=new nt}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this}bind(e,t){this.skeleton=e,void 0===t&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const e=new _e,t=this.geometry.attributes.skinWeight;for(let n=0,r=t.count;n<r;n++){e.fromBufferAttribute(t,n);const r=1/e.manhattanLength();r!==1/0?e.multiplyScalar(r):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(e,t){const n=this.skeleton,r=this.geometry;So.fromBufferAttribute(r.attributes.skinIndex,e),Mo.fromBufferAttribute(r.attributes.skinWeight,e),wo.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const r=Mo.getComponent(e);if(0!==r){const i=So.getComponent(e);To.multiplyMatrices(n.bones[i].matrixWorld,n.boneInverses[i]),t.addScaledVector(Eo.copy(wo).applyMatrix4(To),r)}}return t.applyMatrix4(this.bindMatrixInverse)}}class Ao extends Ct{constructor(){super(),this.isBone=!0,this.type="Bone"}}class ko extends be{constructor(e=null,t=1,n=1,r,i,o,a,s,l=1003,u=1003,c,d){super(null,o,a,s,l,u,r,i,c,d),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Po=new nt,Ro=new nt;class Lo{constructor(e=[],t=[]){this.uuid=G(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(16*e.length),0===t.length)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new nt)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new nt;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){const e=this.bones,t=this.boneInverses,n=this.boneMatrices,r=this.boneTexture;for(let r=0,i=e.length;r<i;r++){const i=e[r]?e[r].matrixWorld:Ro;Po.multiplyMatrices(i,t[r]),Po.toArray(n,16*r)}null!==r&&(r.needsUpdate=!0)}clone(){return new Lo(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(4*this.bones.length);e=Y(e),e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const n=new ko(t,e,e,_,y);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this.boneTextureSize=e,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){const n=this.bones[t];if(n.name===e)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,r=e.bones.length;n<r;n++){const r=e.bones[n];let i=t[r];void 0===i&&(console.warn("THREE.Skeleton: No bone found with UUID:",r),i=new Ao),this.bones.push(i),this.boneInverses.push((new nt).fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let r=0,i=t.length;r<i;r++){const i=t[r];e.bones.push(i.uuid);const o=n[r];e.boneInverses.push(o.toArray())}return e}}class Io extends Gt{constructor(e,t,n,r=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=r}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}const No=new nt,Oo=new nt,Do=[],zo=new nt,Uo=new bn;class Fo extends bn{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Io(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1;for(let e=0;e<n;e++)this.setMatrixAt(e,zo)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this}getColorAt(e,t){t.fromArray(this.instanceColor.array,3*e)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,16*e)}raycast(e,t){const n=this.matrixWorld,r=this.count;if(Uo.geometry=this.geometry,Uo.material=this.material,void 0!==Uo.material)for(let i=0;i<r;i++){this.getMatrixAt(i,No),Oo.multiplyMatrices(n,No),Uo.matrixWorld=Oo,Uo.raycast(e,Do);for(let e=0,n=Do.length;e<n;e++){const n=Do[e];n.instanceId=i,n.object=this,t.push(n)}Do.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new Io(new Float32Array(3*this.instanceMatrix.count),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Bo extends Bt{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new pe(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}const Ho=new Te,Vo=new Te,jo=new nt,Go=new tt,Wo=new $e;class Xo extends Ct{constructor(e=new tn,t=new Bo){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,r=t.count;e<r;e++)Ho.fromBufferAttribute(t,e-1),Vo.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=Ho.distanceTo(Vo);e.setAttribute("lineDistance",new $t(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold,o=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Wo.copy(n.boundingSphere),Wo.applyMatrix4(r),Wo.radius+=i,!1===e.ray.intersectsSphere(Wo))return;jo.copy(r).invert(),Go.copy(e.ray).applyMatrix4(jo);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=a*a,l=new Te,u=new Te,c=new Te,d=new Te,h=this.isLineSegments?2:1,f=n.index,p=n.attributes.position;if(null!==f)for(let n=Math.max(0,o.start),r=Math.min(f.count,o.start+o.count)-1;n<r;n+=h){const r=f.getX(n),i=f.getX(n+1);if(l.fromBufferAttribute(p,r),u.fromBufferAttribute(p,i),Go.distanceSqToSegment(l,u,d,c)>s)continue;d.applyMatrix4(this.matrixWorld);const o=e.ray.origin.distanceTo(d);o<e.near||o>e.far||t.push({distance:o,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}else for(let n=Math.max(0,o.start),r=Math.min(p.count,o.start+o.count)-1;n<r;n+=h){if(l.fromBufferAttribute(p,n),u.fromBufferAttribute(p,n+1),Go.distanceSqToSegment(l,u,d,c)>s)continue;d.applyMatrix4(this.matrixWorld);const r=e.ray.origin.distanceTo(d);r<e.near||r>e.far||t.push({distance:r,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}const $o=new Te,qo=new Te;class Yo extends Xo{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,r=t.count;e<r;e+=2)$o.fromBufferAttribute(t,e),qo.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+$o.distanceTo(qo);e.setAttribute("lineDistance",new $t(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Zo extends Xo{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class Ko extends Bt{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new pe(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}const Jo=new nt,Qo=new tt,ea=new $e,ta=new Te;class na extends Ct{constructor(e=new tn,t=new Ko){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=e.material,this.geometry=e.geometry,this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Points.threshold,o=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),ea.copy(n.boundingSphere),ea.applyMatrix4(r),ea.radius+=i,!1===e.ray.intersectsSphere(ea))return;Jo.copy(r).invert(),Qo.copy(e.ray).applyMatrix4(Jo);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=a*a,l=n.index,u=n.attributes.position;if(null!==l)for(let n=Math.max(0,o.start),i=Math.min(l.count,o.start+o.count);n<i;n++){const i=l.getX(n);ta.fromBufferAttribute(u,i),ra(ta,i,s,r,e,t,this)}else for(let n=Math.max(0,o.start),i=Math.min(u.count,o.start+o.count);n<i;n++)ta.fromBufferAttribute(u,n),ra(ta,n,s,r,e,t,this)}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function ra(e,t,n,r,i,o,a){const s=Qo.distanceSqToPoint(e);if(s<n){const n=new Te;Qo.closestPointToPoint(e,n),n.applyMatrix4(r);const l=i.ray.origin.distanceTo(n);if(l<i.near||l>i.far)return;o.push({distance:l,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,object:a})}}class ia{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){const e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,r=this.getPoint(0),i=0;t.push(0);for(let o=1;o<=e;o++)n=this.getPoint(o/e),i+=n.distanceTo(r),t.push(i),r=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){const n=this.getLengths();let r=0;const i=n.length;let o;o=t||e*n[i-1];let a,s=0,l=i-1;for(;s<=l;)if(r=Math.floor(s+(l-s)/2),a=n[r]-o,a<0)s=r+1;else{if(!(a>0)){l=r;break}l=r-1}if(r=l,n[r]===o)return r/(i-1);const u=n[r];return(r+(o-u)/(n[r+1]-u))/(i-1)}getTangent(e,t){const n=1e-4;let r=e-n,i=e+n;r<0&&(r=0),i>1&&(i=1);const o=this.getPoint(r),a=this.getPoint(i),s=t||(o.isVector2?new ee:new Te);return s.copy(a).sub(o).normalize(),s}getTangentAt(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t){const n=new Te,r=[],i=[],o=[],a=new Te,s=new nt;for(let t=0;t<=e;t++){const n=t/e;r[t]=this.getTangentAt(n,new Te)}i[0]=new Te,o[0]=new Te;let l=Number.MAX_VALUE;const u=Math.abs(r[0].x),c=Math.abs(r[0].y),d=Math.abs(r[0].z);u<=l&&(l=u,n.set(1,0,0)),c<=l&&(l=c,n.set(0,1,0)),d<=l&&n.set(0,0,1),a.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],a),o[0].crossVectors(r[0],i[0]);for(let t=1;t<=e;t++){if(i[t]=i[t-1].clone(),o[t]=o[t-1].clone(),a.crossVectors(r[t-1],r[t]),a.length()>Number.EPSILON){a.normalize();const e=Math.acos(W(r[t-1].dot(r[t]),-1,1));i[t].applyMatrix4(s.makeRotationAxis(a,e))}o[t].crossVectors(r[t],i[t])}if(!0===t){let t=Math.acos(W(i[0].dot(i[e]),-1,1));t/=e,r[0].dot(a.crossVectors(i[0],i[e]))>0&&(t=-t);for(let n=1;n<=e;n++)i[n].applyMatrix4(s.makeRotationAxis(r[n],t*n)),o[n].crossVectors(r[n],i[n])}return{tangents:r,normals:i,binormals:o}}clone(){return(new this.constructor).copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class oa extends ia{constructor(e=0,t=0,n=1,r=1,i=0,o=2*Math.PI,a=!1,s=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=r,this.aStartAngle=i,this.aEndAngle=o,this.aClockwise=a,this.aRotation=s}getPoint(e,t){const n=t||new ee,r=2*Math.PI;let i=this.aEndAngle-this.aStartAngle;const o=Math.abs(i)<Number.EPSILON;for(;i<0;)i+=r;for(;i>r;)i-=r;i<Number.EPSILON&&(i=o?0:r),!0!==this.aClockwise||o||(i===r?i=-r:i-=r);const a=this.aStartAngle+e*i;let s=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,r=l-this.aY;s=n*e-r*t+this.aX,l=n*t+r*e+this.aY}return n.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}function aa(){let e=0,t=0,n=0,r=0;function i(i,o,a,s){e=i,t=a,n=-3*i+3*o-2*a-s,r=2*i-2*o+a+s}return{initCatmullRom:function(e,t,n,r,o){i(t,n,o*(n-e),o*(r-t))},initNonuniformCatmullRom:function(e,t,n,r,o,a,s){let l=(t-e)/o-(n-e)/(o+a)+(n-t)/a,u=(n-t)/a-(r-t)/(a+s)+(r-n)/s;l*=a,u*=a,i(t,n,l,u)},calc:function(i){const o=i*i;return e+t*i+n*o+r*(o*i)}}}const sa=new Te,la=new aa,ua=new aa,ca=new aa;function da(e,t,n,r,i){const o=.5*(r-t),a=.5*(i-n),s=e*e;return(2*n-2*r+o+a)*(e*s)+(-3*n+3*r-2*o-a)*s+o*e+n}function ha(e,t,n,r){return function(e,t){const n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,r)}function fa(e,t,n,r,i){return function(e,t){const n=1-e;return n*n*n*t}(e,t)+function(e,t){const n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,r)+function(e,t){return e*e*e*t}(e,i)}class pa extends ia{constructor(e=new Te,t=new Te,n=new Te){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new Te){const n=t,r=this.v0,i=this.v1,o=this.v2;return n.set(ha(e,r.x,i.x,o.x),ha(e,r.y,i.y,o.y),ha(e,r.z,i.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}var ma=Object.freeze({__proto__:null,ArcCurve:class extends oa{constructor(e,t,n,r,i,o){super(e,t,n,n,r,i,o),this.isArcCurve=!0,this.type="ArcCurve"}},CatmullRomCurve3:class extends ia{constructor(e=[],t=!1,n="centripetal",r=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new Te){const n=t,r=this.points,i=r.length,o=(i-(this.closed?0:1))*e;let a,s,l=Math.floor(o),u=o-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/i)+1)*i:0===u&&l===i-1&&(l=i-2,u=1),this.closed||l>0?a=r[(l-1)%i]:(sa.subVectors(r[0],r[1]).add(r[0]),a=sa);const c=r[l%i],d=r[(l+1)%i];if(this.closed||l+2<i?s=r[(l+2)%i]:(sa.subVectors(r[i-1],r[i-2]).add(r[i-1]),s=sa),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(a.distanceToSquared(c),e),n=Math.pow(c.distanceToSquared(d),e),r=Math.pow(d.distanceToSquared(s),e);n<1e-4&&(n=1),t<1e-4&&(t=n),r<1e-4&&(r=n),la.initNonuniformCatmullRom(a.x,c.x,d.x,s.x,t,n,r),ua.initNonuniformCatmullRom(a.y,c.y,d.y,s.y,t,n,r),ca.initNonuniformCatmullRom(a.z,c.z,d.z,s.z,t,n,r)}else"catmullrom"===this.curveType&&(la.initCatmullRom(a.x,c.x,d.x,s.x,this.tension),ua.initCatmullRom(a.y,c.y,d.y,s.y,this.tension),ca.initCatmullRom(a.z,c.z,d.z,s.z,this.tension));return n.set(la.calc(u),ua.calc(u),ca.calc(u)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new Te).fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}},CubicBezierCurve:class extends ia{constructor(e=new ee,t=new ee,n=new ee,r=new ee){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new ee){const n=t,r=this.v0,i=this.v1,o=this.v2,a=this.v3;return n.set(fa(e,r.x,i.x,o.x,a.x),fa(e,r.y,i.y,o.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},CubicBezierCurve3:class extends ia{constructor(e=new Te,t=new Te,n=new Te,r=new Te){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new Te){const n=t,r=this.v0,i=this.v1,o=this.v2,a=this.v3;return n.set(fa(e,r.x,i.x,o.x,a.x),fa(e,r.y,i.y,o.y,a.y),fa(e,r.z,i.z,o.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},EllipseCurve:oa,LineCurve:class extends ia{constructor(e=new ee,t=new ee){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new ee){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const n=t||new ee;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},LineCurve3:class extends ia{constructor(e=new Te,t=new Te){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=e,this.v2=t}getPoint(e,t=new Te){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},QuadraticBezierCurve:class extends ia{constructor(e=new ee,t=new ee,n=new ee){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new ee){const n=t,r=this.v0,i=this.v1,o=this.v2;return n.set(ha(e,r.x,i.x,o.x),ha(e,r.y,i.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},QuadraticBezierCurve3:pa,SplineCurve:class extends ia{constructor(e=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=e}getPoint(e,t=new ee){const n=t,r=this.points,i=(r.length-1)*e,o=Math.floor(i),a=i-o,s=r[0===o?o:o-1],l=r[o],u=r[o>r.length-2?r.length-1:o+1],c=r[o>r.length-3?r.length-1:o+2];return n.set(da(a,s.x,l.x,u.x,c.x),da(a,s.y,l.y,u.y,c.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new ee).fromArray(n))}return this}}});class ga extends tn{constructor(e=1,t=1,n=1,r=8,i=1,o=!1,a=0,s=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:r,heightSegments:i,openEnded:o,thetaStart:a,thetaLength:s};const l=this;r=Math.floor(r),i=Math.floor(i);const u=[],c=[],d=[],h=[];let f=0;const p=[],m=n/2;let g=0;function v(n){const i=f,o=new ee,p=new Te;let v=0;const y=!0===n?e:t,x=!0===n?1:-1;for(let e=1;e<=r;e++)c.push(0,m*x,0),d.push(0,x,0),h.push(.5,.5),f++;const b=f;for(let e=0;e<=r;e++){const t=e/r*s+a,n=Math.cos(t),i=Math.sin(t);p.x=y*i,p.y=m*x,p.z=y*n,c.push(p.x,p.y,p.z),d.push(0,x,0),o.x=.5*n+.5,o.y=.5*i*x+.5,h.push(o.x,o.y),f++}for(let e=0;e<r;e++){const t=i+e,r=b+e;!0===n?u.push(r,r+1,t):u.push(r+1,r,t),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const o=new Te,v=new Te;let y=0;const x=(t-e)/n;for(let l=0;l<=i;l++){const u=[],g=l/i,y=g*(t-e)+e;for(let e=0;e<=r;e++){const t=e/r,i=t*s+a,l=Math.sin(i),p=Math.cos(i);v.x=y*l,v.y=-g*n+m,v.z=y*p,c.push(v.x,v.y,v.z),o.set(l,x,p).normalize(),d.push(o.x,o.y,o.z),h.push(t,1-g),u.push(f++)}p.push(u)}for(let e=0;e<r;e++)for(let t=0;t<i;t++){const n=p[t][e],r=p[t+1][e],i=p[t+1][e+1],o=p[t][e+1];u.push(n,r,o),u.push(r,i,o),y+=6}l.addGroup(g,y,0),g+=y}(),!1===o&&(e>0&&v(!0),t>0&&v(!1)),this.setIndex(u),this.setAttribute("position",new $t(c,3)),this.setAttribute("normal",new $t(d,3)),this.setAttribute("uv",new $t(h,2))}static fromJSON(e){return new ga(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class va extends tn{constructor(e=1,t=32,n=16,r=0,i=2*Math.PI,o=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:r,phiLength:i,thetaStart:o,thetaLength:a},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));const s=Math.min(o+a,Math.PI);let l=0;const u=[],c=new Te,d=new Te,h=[],f=[],p=[],m=[];for(let h=0;h<=n;h++){const g=[],v=h/n;let y=0;0==h&&0==o?y=.5/t:h==n&&s==Math.PI&&(y=-.5/t);for(let n=0;n<=t;n++){const s=n/t;c.x=-e*Math.cos(r+s*i)*Math.sin(o+v*a),c.y=e*Math.cos(o+v*a),c.z=e*Math.sin(r+s*i)*Math.sin(o+v*a),f.push(c.x,c.y,c.z),d.copy(c).normalize(),p.push(d.x,d.y,d.z),m.push(s+y,1-v),g.push(l++)}u.push(g)}for(let e=0;e<n;e++)for(let r=0;r<t;r++){const t=u[e][r+1],i=u[e][r],a=u[e+1][r],l=u[e+1][r+1];(0!==e||o>0)&&h.push(t,i,l),(e!==n-1||s<Math.PI)&&h.push(i,a,l)}this.setIndex(h),this.setAttribute("position",new $t(f,3)),this.setAttribute("normal",new $t(p,3)),this.setAttribute("uv",new $t(m,2))}static fromJSON(e){return new va(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class ya extends tn{constructor(e=new pa(new Te(-1,-1,0),new Te(-1,1,0),new Te(1,1,0)),t=64,n=1,r=8,i=!1){super(),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:r,closed:i};const o=e.computeFrenetFrames(t,i);this.tangents=o.tangents,this.normals=o.normals,this.binormals=o.binormals;const a=new Te,s=new Te,l=new ee;let u=new Te;const c=[],d=[],h=[],f=[];function p(i){u=e.getPointAt(i/t,u);const l=o.normals[i],h=o.binormals[i];for(let e=0;e<=r;e++){const t=e/r*Math.PI*2,i=Math.sin(t),o=-Math.cos(t);s.x=o*l.x+i*h.x,s.y=o*l.y+i*h.y,s.z=o*l.z+i*h.z,s.normalize(),d.push(s.x,s.y,s.z),a.x=u.x+n*s.x,a.y=u.y+n*s.y,a.z=u.z+n*s.z,c.push(a.x,a.y,a.z)}}!function(){for(let e=0;e<t;e++)p(e);p(!1===i?t:0),function(){for(let e=0;e<=t;e++)for(let n=0;n<=r;n++)l.x=e/t,l.y=n/r,h.push(l.x,l.y)}(),function(){for(let e=1;e<=t;e++)for(let t=1;t<=r;t++){const n=(r+1)*(e-1)+(t-1),i=(r+1)*e+(t-1),o=(r+1)*e+t,a=(r+1)*(e-1)+t;f.push(n,i,a),f.push(i,o,a)}}()}(),this.setIndex(f),this.setAttribute("position",new $t(c,3)),this.setAttribute("normal",new $t(d,3)),this.setAttribute("uv",new $t(h,2))}toJSON(){const e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new ya((new ma[e.path.type]).fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}}class xa extends Bt{constructor(e){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new pe(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new pe(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ee(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class ba extends xa{constructor(e){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new ee(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return W(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new pe(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new pe(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new pe(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._iridescence=0,this._transmission=0,this.setValues(e)}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}function _a(e,t,n){return Sa(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)}function wa(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)}function Sa(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}function Ma(e){const t=e.length,n=new Array(t);for(let e=0;e!==t;++e)n[e]=e;return n.sort((function(t,n){return e[t]-e[n]})),n}function Ea(e,t,n){const r=e.length,i=new e.constructor(r);for(let o=0,a=0;a!==r;++o){const r=n[o]*t;for(let n=0;n!==t;++n)i[a++]=e[r+n]}return i}function Ta(e,t,n,r){let i=1,o=e[0];for(;void 0!==o&&void 0===o[r];)o=e[i++];if(void 0===o)return;let a=o[r];if(void 0!==a)if(Array.isArray(a))do{a=o[r],void 0!==a&&(t.push(o.time),n.push.apply(n,a)),o=e[i++]}while(void 0!==o);else if(void 0!==a.toArray)do{a=o[r],void 0!==a&&(t.push(o.time),a.toArray(n,n.length)),o=e[i++]}while(void 0!==o);else do{a=o[r],void 0!==a&&(t.push(o.time),n.push(a)),o=e[i++]}while(void 0!==o)}class Ca{constructor(e,t,n,r){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==r?r:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){const t=this.parameterPositions;let n=this._cachedIndex,r=t[n],i=t[n-1];e:{t:{let o;n:{r:if(!(e<r)){for(let o=n+2;;){if(void 0===r){if(e<i)break r;return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===o)break;if(i=r,r=t[++n],e<r)break t}o=t.length;break n}if(e>=i)break e;{const a=t[1];e<a&&(n=2,i=a);for(let o=n-2;;){if(void 0===i)return this._cachedIndex=0,this.copySampleValue_(0);if(n===o)break;if(r=i,i=t[--n-1],e>=i)break t}o=n,n=0}}for(;n<o;){const r=n+o>>>1;e<t[r]?o=r:n=r+1}if(r=t[n],i=t[n-1],void 0===i)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===r)return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,i,r)}return this.interpolate_(n,i,e,r)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r;for(let e=0;e!==r;++e)t[e]=n[i+e];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class Aa extends Ca{constructor(e,t,n,r){super(e,t,n,r),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:2400,endingEnd:2400}}intervalChanged_(e,t,n){const r=this.parameterPositions;let i=e-2,o=e+1,a=r[i],s=r[o];if(void 0===a)switch(this.getSettings_().endingStart){case 2401:i=e,a=2*t-n;break;case 2402:i=r.length-2,a=t+r[i]-r[i+1];break;default:i=e,a=n}if(void 0===s)switch(this.getSettings_().endingEnd){case 2401:o=e,s=2*n-t;break;case 2402:o=1,s=n+r[1]-r[0];break;default:o=e-1,s=t}const l=.5*(n-t),u=this.valueSize;this._weightPrev=l/(t-a),this._weightNext=l/(s-n),this._offsetPrev=i*u,this._offsetNext=o*u}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=e*a,l=s-a,u=this._offsetPrev,c=this._offsetNext,d=this._weightPrev,h=this._weightNext,f=(n-t)/(r-t),p=f*f,m=p*f,g=-d*m+2*d*p-d*f,v=(1+d)*m+(-1.5-2*d)*p+(-.5+d)*f+1,y=(-1-h)*m+(1.5+h)*p+.5*f,x=h*m-h*p;for(let e=0;e!==a;++e)i[e]=g*o[u+e]+v*o[l+e]+y*o[s+e]+x*o[c+e];return i}}class ka extends Ca{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=e*a,l=s-a,u=(n-t)/(r-t),c=1-u;for(let e=0;e!==a;++e)i[e]=o[l+e]*c+o[s+e]*u;return i}}class Pa extends Ca{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e){return this.copySampleValue_(e-1)}}class Ra{constructor(e,t,n,r){if(void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=wa(t,this.TimeBufferType),this.values=wa(n,this.ValueBufferType),this.setInterpolation(r||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:wa(e.times,Array),values:wa(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(n.interpolation=t)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Pa(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new ka(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new Aa(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case A:t=this.InterpolantFactoryMethodDiscrete;break;case k:t=this.InterpolantFactoryMethodLinear;break;case P:t=this.InterpolantFactoryMethodSmooth}if(void 0===t){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(t);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return A;case this.InterpolantFactoryMethodLinear:return k;case this.InterpolantFactoryMethodSmooth:return P}}getValueSize(){return this.values.length/this.times.length}shift(e){if(0!==e){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]+=e}return this}scale(e){if(1!==e){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]*=e}return this}trim(e,t){const n=this.times,r=n.length;let i=0,o=r-1;for(;i!==r&&n[i]<e;)++i;for(;-1!==o&&n[o]>t;)--o;if(++o,0!==i||o!==r){i>=o&&(o=Math.max(o,1),i=o-1);const e=this.getValueSize();this.times=_a(n,i,o),this.values=_a(this.values,i*e,o*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,r=this.values,i=n.length;0===i&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let o=null;for(let t=0;t!==i;t++){const r=n[t];if("number"==typeof r&&isNaN(r)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,t,r),e=!1;break}if(null!==o&&o>r){console.error("THREE.KeyframeTrack: Out of order keys.",this,t,r,o),e=!1;break}o=r}if(void 0!==r&&Sa(r))for(let t=0,n=r.length;t!==n;++t){const n=r[t];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,t,n),e=!1;break}}return e}optimize(){const e=_a(this.times),t=_a(this.values),n=this.getValueSize(),r=this.getInterpolation()===P,i=e.length-1;let o=1;for(let a=1;a<i;++a){let i=!1;const s=e[a];if(s!==e[a+1]&&(1!==a||s!==e[0]))if(r)i=!0;else{const e=a*n,r=e-n,o=e+n;for(let a=0;a!==n;++a){const 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e=0;for(let t=0,n=this.tracks.length;t!==n;++t){const n=this.tracks[t];e=Math.max(e,n.times[n.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function Ba(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=function(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Na;case"vector":case"vector2":case"vector3":case"vector4":return Ua;case"color":return Ia;case"quaternion":return Da;case"bool":case"boolean":return La;case"string":return za}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}(e.type);if(void 0===e.times){const t=[],n=[];Ta(e.keys,t,n,"value"),e.times=t,e.values=n}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const Ha={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Va{constructor(e,t,n){const r=this;let i,o=!1,a=0,s=0;const l=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=n,this.itemStart=function(e){s++,!1===o&&void 0!==r.onStart&&r.onStart(e,a,s),o=!0},this.itemEnd=function(e){a++,void 0!==r.onProgress&&r.onProgress(e,a,s),a===s&&(o=!1,void 0!==r.onLoad&&r.onLoad())},this.itemError=function(e){void 0!==r.onError&&r.onError(e)},this.resolveURL=function(e){return i?i(e):e},this.setURLModifier=function(e){return i=e,this},this.addHandler=function(e,t){return l.push(e,t),this},this.removeHandler=function(e){const t=l.indexOf(e);return-1!==t&&l.splice(t,2),this},this.getHandler=function(e){for(let t=0,n=l.length;t<n;t+=2){const n=l[t],r=l[t+1];if(n.global&&(n.lastIndex=0),n.test(e))return r}return null}}}const ja=new Va;class Ga{constructor(e){this.manager=void 0!==e?e:ja,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const n=this;return new Promise((function(r,i){n.load(e,r,t,i)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const Wa={};class Xa extends Error{constructor(e,t){super(e),this.response=t}}class $a extends Ga{constructor(e){super(e)}load(e,t,n,r){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=Ha.get(e);if(void 0!==i)return this.manager.itemStart(e),setTimeout((()=>{t&&t(i),this.manager.itemEnd(e)}),0),i;if(void 0!==Wa[e])return void Wa[e].push({onLoad:t,onProgress:n,onError:r});Wa[e]=[],Wa[e].push({onLoad:t,onProgress:n,onError:r});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,s=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body||void 0===t.body.getReader)return t;const n=Wa[e],r=t.body.getReader(),i=t.headers.get("Content-Length"),o=i?parseInt(i):0,a=0!==o;let s=0;const l=new ReadableStream({start(e){!function t(){r.read().then((({done:r,value:i})=>{if(r)e.close();else{s+=i.byteLength;const r=new ProgressEvent("progress",{lengthComputable:a,loaded:s,total:o});for(let 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this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class qa extends Ga{constructor(e){super(e)}load(e,t,n,r){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,o=Ha.get(e);if(void 0!==o)return i.manager.itemStart(e),setTimeout((function(){t&&t(o),i.manager.itemEnd(e)}),0),o;const a=re("img");function s(){u(),Ha.add(e,this),t&&t(this),i.manager.itemEnd(e)}function l(t){u(),r&&r(t),i.manager.itemError(e),i.manager.itemEnd(e)}function u(){a.removeEventListener("load",s,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",s,!1),a.addEventListener("error",l,!1),"data:"!==e.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),i.manager.itemStart(e),a.src=e,a}}class Ya extends Ga{constructor(e){super(e)}load(e,t,n,r){const i=new be,o=new qa(this.manager);return o.setCrossOrigin(this.crossOrigin),o.setPath(this.path),o.load(e,(function(e){i.image=e,i.needsUpdate=!0,void 0!==t&&t(i)}),n,r),i}}class Za extends Ct{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new pe(e),this.intensity=t}dispose(){}copy(e,t){return super.copy(e,t),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}const Ka=new nt,Ja=new Te,Qa=new Te;class es{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new ee(512,512),this.map=null,this.mapPass=null,this.matrix=new nt,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Fn,this._frameExtents=new 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0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class ts extends es{constructor(){super(new An(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(e){const t=this.camera,n=2*j*e.angle*this.focus,r=this.mapSize.width/this.mapSize.height,i=e.distance||t.far;n===t.fov&&r===t.aspect&&i===t.far||(t.fov=n,t.aspect=r,t.far=i,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class ns extends Za{constructor(e,t,n=0,r=Math.PI/3,i=0,o=1){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Ct.DefaultUp),this.updateMatrix(),this.target=new Ct,this.distance=n,this.angle=r,this.penumbra=i,this.decay=o,this.map=null,this.shadow=new ts}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}const rs=new nt,is=new Te,os=new Te;class as extends es{constructor(){super(new An(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new ee(4,2),this._viewportCount=6,this._viewports=[new _e(2,1,1,1),new _e(0,1,1,1),new _e(3,1,1,1),new _e(1,1,1,1),new _e(3,0,1,1),new _e(1,0,1,1)],this._cubeDirections=[new Te(1,0,0),new Te(-1,0,0),new Te(0,0,1),new Te(0,0,-1),new Te(0,1,0),new Te(0,-1,0)],this._cubeUps=[new Te(0,1,0),new Te(0,1,0),new Te(0,1,0),new Te(0,1,0),new Te(0,0,1),new Te(0,0,-1)]}updateMatrices(e,t=0){const n=this.camera,r=this.matrix,i=e.distance||n.far;i!==n.far&&(n.far=i,n.updateProjectionMatrix()),is.setFromMatrixPosition(e.matrixWorld),n.position.copy(is),os.copy(n.position),os.add(this._cubeDirections[t]),n.up.copy(this._cubeUps[t]),n.lookAt(os),n.updateMatrixWorld(),r.makeTranslation(-is.x,-is.y,-is.z),rs.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(rs)}}class ss extends Za{constructor(e,t,n=0,r=1){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=r,this.shadow=new as}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}class ls extends es{constructor(){super(new Jn(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class us extends 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if(6!==i&&8!==i&&9!==i&&12!==i&&1!==arguments.length)throw new Error("Only new Bezier(point[]) is accepted for 4th and higher order curves");const o=this._3d=!r&&(9===i||12===i)||e&&e[0]&&void 0!==e[0].z,a=this.points=[];for(let e=0,n=o?3:2;e<i;e+=n){var s={x:t[e],y:t[e+1]};o&&(s.z=t[e+2]),a.push(s)}const l=this.order=a.length-1,u=this.dims=["x","y"];o&&u.push("z"),this.dimlen=u.length;const c=Yv.align(a,{p1:a[0],p2:a[l]}),d=Yv.dist(a[0],a[l]);this._linear=c.reduce(((e,t)=>e+Kv(t.y)),0)<d/50,this._lut=[],this._t1=0,this._t2=1,this.update()}static quadraticFromPoints(e,t,n,r){if(void 0===r&&(r=.5),0===r)return new oy(t,t,n);if(1===r)return new oy(e,t,t);const i=oy.getABC(2,e,t,n,r);return new oy(e,i.A,n)}static cubicFromPoints(e,t,n,r,i){void 0===r&&(r=.5);const o=oy.getABC(3,e,t,n,r);void 0===i&&(i=Yv.dist(t,o.C));const a=i*(1-r)/r,s=Yv.dist(e,n),l=(n.x-e.x)/s,u=(n.y-e.y)/s,c=i*l,d=i*u,h=a*l,f=a*u,p=t.x-c,m=t.y-d,g=t.x+h,v=t.y+f,y=o.A,x=y.x+(p-y.x)/(1-r),b=y.y+(m-y.y)/(1-r),_=y.x+(g-y.x)/r,w=y.y+(v-y.y)/r,S={x:e.x+(x-e.x)/r,y:e.y+(b-e.y)/r},M={x:n.x+(_-n.x)/(1-r),y:n.y+(w-n.y)/(1-r)};return new oy(e,S,M,n)}static getUtils(){return Yv}getUtils(){return oy.getUtils()}static get PolyBezier(){return Zv}valueOf(){return this.toString()}toString(){return Yv.pointsToString(this.points)}toSVG(){if(this._3d)return!1;const e=this.points,t=["M",e[0].x,e[0].y,2===this.order?"Q":"C"];for(let n=1,r=e.length;n<r;n++)t.push(e[n].x),t.push(e[n].y);return t.join(" ")}setRatios(e){if(e.length!==this.points.length)throw new Error("incorrect number of ratio values");this.ratios=e,this._lut=[]}verify(){const e=this.coordDigest();e!==this._print&&(this._print=e,this.update())}coordDigest(){return this.points.map((function(e,t){return""+t+e.x+e.y+(e.z?e.z:0)})).join("")}update(){this._lut=[],this.dpoints=Yv.derive(this.points,this._3d),this.computedirection()}computedirection(){const e=this.points,t=Yv.angle(e[0],e[this.order],e[1]);this.clockwise=t>0}length(){return Yv.length(this.derivative.bind(this))}static getABC(e=2,t,n,r,i=.5){const o=Yv.projectionratio(i,e),a=1-o,s={x:o*t.x+a*r.x,y:o*t.y+a*r.y},l=Yv.abcratio(i,e);return{A:{x:n.x+(n.x-s.x)/l,y:n.y+(n.y-s.y)/l},B:n,C:s,S:t,E:r}}getABC(e,t){t=t||this.get(e);let n=this.points[0],r=this.points[this.order];return oy.getABC(this.order,n,t,r,e)}getLUT(e){if(this.verify(),e=e||100,this._lut.length===e)return this._lut;this._lut=[],e++,this._lut=[];for(let t,n,r=0;r<e;r++)n=r/(e-1),t=this.compute(n),t.t=n,this._lut.push(t);return this._lut}on(e,n){n=n||5;const r=this.getLUT(),i=[];for(let t,o=0,a=0;o<r.length;o++)t=r[o],Yv.dist(t,e)<n&&(i.push(t),a+=o/r.length);return!!i.length&&(t/=i.length)}project(e){const t=this.getLUT(),n=t.length-1,r=Yv.closest(t,e),i=r.mpos,o=(i-1)/n,a=(i+1)/n,s=.1/n;let l,u,c=r.mdist,d=o,h=d;for(c+=1;d<a+s;d+=s)l=this.compute(d),u=Yv.dist(e,l),u<c&&(c=u,h=d);return h=h<0?0:h>1?1:h,l=this.compute(h),l.t=h,l.d=c,l}get(e){return this.compute(e)}point(e){return this.points[e]}compute(e){return this.ratios?Yv.computeWithRatios(e,this.points,this.ratios,this._3d):Yv.compute(e,this.points,this._3d,this.ratios)}raise(){const e=this.points,t=[e[0]],n=e.length;for(let r,i,o=1;o<n;o++)r=e[o],i=e[o-1],t[o]={x:(n-o)/n*r.x+o/n*i.x,y:(n-o)/n*r.y+o/n*i.y};return t[n]=e[n-1],new oy(t)}derivative(e){return Yv.compute(e,this.dpoints[0],this._3d)}dderivative(e){return Yv.compute(e,this.dpoints[1],this._3d)}align(){let e=this.points;return new oy(Yv.align(e,{p1:e[0],p2:e[e.length-1]}))}curvature(e){return Yv.curvature(e,this.dpoints[0],this.dpoints[1],this._3d)}inflections(){return Yv.inflections(this.points)}normal(e){return this._3d?this.__normal3(e):this.__normal2(e)}__normal2(e){const t=this.derivative(e),n=ry(t.x*t.x+t.y*t.y);return{t:e,x:-t.y/n,y:t.x/n}}__normal3(e){const t=this.derivative(e),n=this.derivative(e+.01),r=ry(t.x*t.x+t.y*t.y+t.z*t.z),i=ry(n.x*n.x+n.y*n.y+n.z*n.z);t.x/=r,t.y/=r,t.z/=r,n.x/=i,n.y/=i,n.z/=i;const o={x:n.y*t.z-n.z*t.y,y:n.z*t.x-n.x*t.z,z:n.x*t.y-n.y*t.x},a=ry(o.x*o.x+o.y*o.y+o.z*o.z);o.x/=a,o.y/=a,o.z/=a;const s=[o.x*o.x,o.x*o.y-o.z,o.x*o.z+o.y,o.x*o.y+o.z,o.y*o.y,o.y*o.z-o.x,o.x*o.z-o.y,o.y*o.z+o.x,o.z*o.z];return{t:e,x:s[0]*t.x+s[1]*t.y+s[2]*t.z,y:s[3]*t.x+s[4]*t.y+s[5]*t.z,z:s[6]*t.x+s[7]*t.y+s[8]*t.z}}hull(e){let t=this.points,n=[],r=[],i=0;for(r[i++]=t[0],r[i++]=t[1],r[i++]=t[2],3===this.order&&(r[i++]=t[3]);t.length>1;){n=[];for(let o,a=0,s=t.length-1;a<s;a++)o=Yv.lerp(e,t[a],t[a+1]),r[i++]=o,n.push(o);t=n}return r}split(e,t){if(0===e&&t)return this.split(t).left;if(1===t)return this.split(e).right;const n=this.hull(e),r={left:2===this.order?new oy([n[0],n[3],n[5]]):new oy([n[0],n[4],n[7],n[9]]),right:2===this.order?new oy([n[5],n[4],n[2]]):new oy([n[9],n[8],n[6],n[3]]),span:n};return r.left._t1=Yv.map(0,0,1,this._t1,this._t2),r.left._t2=Yv.map(e,0,1,this._t1,this._t2),r.right._t1=Yv.map(e,0,1,this._t1,this._t2),r.right._t2=Yv.map(1,0,1,this._t1,this._t2),t?(t=Yv.map(t,e,1,0,1),r.right.split(t).left):r}extrema(){const e={};let t=[];return this.dims.forEach(function(n){let r=function(e){return e[n]},i=this.dpoints[0].map(r);e[n]=Yv.droots(i),3===this.order&&(i=this.dpoints[1].map(r),e[n]=e[n].concat(Yv.droots(i))),e[n]=e[n].filter((function(e){return e>=0&&e<=1})),t=t.concat(e[n].sort(Yv.numberSort))}.bind(this)),e.values=t.sort(Yv.numberSort).filter((function(e,n){return t.indexOf(e)===n})),e}bbox(){const e=this.extrema(),t={};return this.dims.forEach(function(n){t[n]=Yv.getminmax(this,n,e[n])}.bind(this)),t}overlaps(e){const t=this.bbox(),n=e.bbox();return Yv.bboxoverlap(t,n)}offset(e,t){if(void 0!==t){const n=this.get(e),r=this.normal(e),i={c:n,n:r,x:n.x+r.x*t,y:n.y+r.y*t};return this._3d&&(i.z=n.z+r.z*t),i}if(this._linear){const t=this.normal(0),n=this.points.map((function(n){const r={x:n.x+e*t.x,y:n.y+e*t.y};return n.z&&t.z&&(r.z=n.z+e*t.z),r}));return[new oy(n)]}return this.reduce().map((function(t){return t._linear?t.offset(e)[0]:t.scale(e)}))}simple(){if(3===this.order){const e=Yv.angle(this.points[0],this.points[3],this.points[1]),t=Yv.angle(this.points[0],this.points[3],this.points[2]);if(e>0&&t<0||e<0&&t>0)return!1}const e=this.normal(0),t=this.normal(1);let n=e.x*t.x+e.y*t.y;return this._3d&&(n+=e.z*t.z),Kv(ny(n))<iy/3}reduce(){let e,t,n=0,r=0,i=.01,o=[],a=[],s=this.extrema().values;for(-1===s.indexOf(0)&&(s=[0].concat(s)),-1===s.indexOf(1)&&s.push(1),n=s[0],e=1;e<s.length;e++)r=s[e],t=this.split(n,r),t._t1=n,t._t2=r,o.push(t),n=r;return o.forEach((function(e){for(n=0,r=0;r<=1;)for(r=n+i;r<=1.01;r+=i)if(t=e.split(n,r),!t.simple()){if(r-=i,Kv(n-r)<i)return[];t=e.split(n,r),t._t1=Yv.map(n,0,1,e._t1,e._t2),t._t2=Yv.map(r,0,1,e._t1,e._t2),a.push(t),n=r;break}n<1&&(t=e.split(n,1),t._t1=Yv.map(n,0,1,e._t1,e._t2),t._t2=e._t2,a.push(t))})),a}translate(e,t,n){n="number"==typeof n?n:t;const r=this.order;let i=this.points.map(((e,i)=>(1-i/r)*t+i/r*n));return new oy(this.points.map(((t,n)=>({x:t.x+e.x*i[n],y:t.y+e.y*i[n]}))))}scale(e){const t=this.order;let n=!1;if("function"==typeof e&&(n=e),n&&2===t)return this.raise().scale(n);const r=this.clockwise,i=this.points;if(this._linear)return this.translate(this.normal(0),n?n(0):e,n?n(1):e);const o=n?n(0):e,a=n?n(1):e,s=[this.offset(0,10),this.offset(1,10)],l=[],u=Yv.lli4(s[0],s[0].c,s[1],s[1].c);if(!u)throw new Error("cannot scale this curve. Try reducing it first.");return[0,1].forEach((function(e){const n=l[e*t]=Yv.copy(i[e*t]);n.x+=(e?a:o)*s[e].n.x,n.y+=(e?a:o)*s[e].n.y})),n?([0,1].forEach((function(o){if(2!==t||!o){var a=i[o+1],s={x:a.x-u.x,y:a.y-u.y},c=n?n((o+1)/t):e;n&&!r&&(c=-c);var d=ry(s.x*s.x+s.y*s.y);s.x/=d,s.y/=d,l[o+1]={x:a.x+c*s.x,y:a.y+c*s.y}}})),new oy(l)):([0,1].forEach((e=>{if(2===t&&e)return;const n=l[e*t],r=this.derivative(e),o={x:n.x+r.x,y:n.y+r.y};l[e+1]=Yv.lli4(n,o,u,i[e+1])})),new oy(l))}outline(e,t,n,r){if(t=void 0===t?e:t,this._linear){const i=this.normal(0),o=this.points[0],a=this.points[this.points.length-1];let s,l,u;void 0===n&&(n=e,r=t),s={x:o.x+i.x*e,y:o.y+i.y*e},u={x:a.x+i.x*n,y:a.y+i.y*n},l={x:(s.x+u.x)/2,y:(s.y+u.y)/2};const c=[s,l,u];s={x:o.x-i.x*t,y:o.y-i.y*t},u={x:a.x-i.x*r,y:a.y-i.y*r},l={x:(s.x+u.x)/2,y:(s.y+u.y)/2};const d=[u,l,s],h=Yv.makeline(d[2],c[0]),f=Yv.makeline(c[2],d[0]),p=[h,new oy(c),f,new oy(d)];return new Zv(p)}const i=this.reduce(),o=i.length,a=[];let s,l=[],u=0,c=this.length();const d=void 0!==n&&void 0!==r;function h(e,t,n,r,i){return function(o){const a=r/n,s=(r+i)/n,l=t-e;return Yv.map(o,0,1,e+a*l,e+s*l)}}i.forEach((function(i){const o=i.length();d?(a.push(i.scale(h(e,n,c,u,o))),l.push(i.scale(h(-t,-r,c,u,o)))):(a.push(i.scale(e)),l.push(i.scale(-t))),u+=o})),l=l.map((function(e){return s=e.points,s[3]?e.points=[s[3],s[2],s[1],s[0]]:e.points=[s[2],s[1],s[0]],e})).reverse();const f=a[0].points[0],p=a[o-1].points[a[o-1].points.length-1],m=l[o-1].points[l[o-1].points.length-1],g=l[0].points[0],v=Yv.makeline(m,f),y=Yv.makeline(p,g),x=[v].concat(a).concat([y]).concat(l);return new Zv(x)}outlineshapes(e,t,n){t=t||e;const r=this.outline(e,t).curves,i=[];for(let e=1,t=r.length;e<t/2;e++){const o=Yv.makeshape(r[e],r[t-e],n);o.startcap.virtual=e>1,o.endcap.virtual=e<t/2-1,i.push(o)}return i}intersects(e,t){return e?e.p1&&e.p2?this.lineIntersects(e):(e instanceof 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rb(e)})),this.register((function(e){return new ib(e)})),this.register((function(e){return new ob(e)})),this.register((function(e){return new Qx(e)})),this.register((function(e){return new ab(e)})),this.register((function(e){return new tb(e)})),this.register((function(e){return new Kx(e)})),this.register((function(e){return new ub(e)})),this.register((function(e){return new cb(e)}))}load(e,t,n,r){const i=this;let o;o=""!==this.resourcePath?this.resourcePath:""!==this.path?this.path:cs.extractUrlBase(e),this.manager.itemStart(e);const a=function(t){r?r(t):console.error(t),i.manager.itemError(e),i.manager.itemEnd(e)},s=new $a(this.manager);s.setPath(this.path),s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(e,(function(n){try{i.parse(n,o,(function(n){t(n),i.manager.itemEnd(e)}),a)}catch(e){a(e)}}),n,a)}setDRACOLoader(e){return this.dracoLoader=e,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: 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Please update to "KHR_texture_basisu".')}setKTX2Loader(e){return this.ktx2Loader=e,this}setMeshoptDecoder(e){return this.meshoptDecoder=e,this}register(e){return-1===this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.push(e),this}unregister(e){return-1!==this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e),1),this}parse(e,t,n,r){let i;const o={},a={};if("string"==typeof e)i=JSON.parse(e);else if(e instanceof ArrayBuffer)if(cs.decodeText(new Uint8Array(e,0,4))===db){try{o[Zx.KHR_BINARY_GLTF]=new hb(e)}catch(e){return void(r&&r(e))}i=JSON.parse(o[Zx.KHR_BINARY_GLTF].content)}else i=JSON.parse(cs.decodeText(new Uint8Array(e)));else i=e;if(void 0===i.asset||i.asset.version[0]<2)return void(r&&r(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const s=new Ob(i,{path:t||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});s.fileLoader.setRequestHeader(this.requestHeader);for(let e=0;e<this.pluginCallbacks.length;e++){const t=this.pluginCallbacks[e](s);a[t.name]=t,o[t.name]=!0}if(i.extensionsUsed)for(let e=0;e<i.extensionsUsed.length;++e){const t=i.extensionsUsed[e],n=i.extensionsRequired||[];switch(t){case Zx.KHR_MATERIALS_UNLIT:o[t]=new Jx;break;case Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:o[t]=new gb;break;case Zx.KHR_DRACO_MESH_COMPRESSION:o[t]=new fb(i,this.dracoLoader);break;case Zx.KHR_TEXTURE_TRANSFORM:o[t]=new pb;break;case Zx.KHR_MESH_QUANTIZATION:o[t]=new vb;break;default:n.indexOf(t)>=0&&void 0===a[t]&&console.warn('THREE.GLTFLoader: Unknown extension "'+t+'".')}}s.setExtensions(o),s.setPlugins(a),s.parse(n,r)}parseAsync(e,t){const n=this;return new Promise((function(r,i){n.parse(e,t,r,i)}))}}function Yx(){let e={};return{get:function(t){return e[t]},add:function(t,n){e[t]=n},remove:function(t){delete e[t]},removeAll:function(){e={}}}}const Zx={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:"KHR_materials_pbrSpecularGlossiness",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_IRIDESCENCE:"KHR_materials_iridescence",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",KHR_MATERIALS_EMISSIVE_STRENGTH:"KHR_materials_emissive_strength",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression",EXT_MESH_GPU_INSTANCING:"EXT_mesh_gpu_instancing"};class Kx{constructor(e){this.parser=e,this.name=Zx.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const e=this.parser,t=this.parser.json.nodes||[];for(let n=0,r=t.length;n<r;n++){const r=t[n];r.extensions&&r.extensions[this.name]&&void 0!==r.extensions[this.name].light&&e._addNodeRef(this.cache,r.extensions[this.name].light)}}_loadLight(e){const t=this.parser,n="light:"+e;let r=t.cache.get(n);if(r)return r;const i=t.json,o=((i.extensions&&i.extensions[this.name]||{}).lights||[])[e];let a;const s=new pe(16777215);void 0!==o.color&&s.fromArray(o.color);const l=void 0!==o.range?o.range:0;switch(o.type){case"directional":a=new us(s),a.target.position.set(0,0,-1),a.add(a.target);break;case"point":a=new ss(s),a.distance=l;break;case"spot":a=new ns(s),a.distance=l,o.spot=o.spot||{},o.spot.innerConeAngle=void 0!==o.spot.innerConeAngle?o.spot.innerConeAngle:0,o.spot.outerConeAngle=void 0!==o.spot.outerConeAngle?o.spot.outerConeAngle:Math.PI/4,a.angle=o.spot.outerConeAngle,a.penumbra=1-o.spot.innerConeAngle/o.spot.outerConeAngle,a.target.position.set(0,0,-1),a.add(a.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+o.type)}return a.position.set(0,0,0),a.decay=2,void 0!==o.intensity&&(a.intensity=o.intensity),a.name=t.createUniqueName(o.name||"light_"+e),r=Promise.resolve(a),t.cache.add(n,r),r}createNodeAttachment(e){const t=this,n=this.parser,r=n.json.nodes[e],i=(r.extensions&&r.extensions[this.name]||{}).light;return void 0===i?null:this._loadLight(i).then((function(e){return n._getNodeRef(t.cache,i,e)}))}}class Jx{constructor(){this.name=Zx.KHR_MATERIALS_UNLIT}getMaterialType(){return Ht}extendParams(e,t,n){const r=[];e.color=new pe(1,1,1),e.opacity=1;const i=t.pbrMetallicRoughness;if(i){if(Array.isArray(i.baseColorFactor)){const t=i.baseColorFactor;e.color.fromArray(t),e.opacity=t[3]}void 0!==i.baseColorTexture&&r.push(n.assignTexture(e,"map",i.baseColorTexture,L))}return Promise.all(r)}}class Qx{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(e,t){const n=this.parser.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=n.extensions[this.name].emissiveStrength;return void 0!==r&&(t.emissiveIntensity=r),Promise.resolve()}}class eb{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_CLEARCOAT}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];if(void 0!==o.clearcoatFactor&&(t.clearcoat=o.clearcoatFactor),void 0!==o.clearcoatTexture&&i.push(n.assignTexture(t,"clearcoatMap",o.clearcoatTexture)),void 0!==o.clearcoatRoughnessFactor&&(t.clearcoatRoughness=o.clearcoatRoughnessFactor),void 0!==o.clearcoatRoughnessTexture&&i.push(n.assignTexture(t,"clearcoatRoughnessMap",o.clearcoatRoughnessTexture)),void 0!==o.clearcoatNormalTexture&&(i.push(n.assignTexture(t,"clearcoatNormalMap",o.clearcoatNormalTexture)),void 0!==o.clearcoatNormalTexture.scale)){const e=o.clearcoatNormalTexture.scale;t.clearcoatNormalScale=new ee(e,e)}return Promise.all(i)}}class tb{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_IRIDESCENCE}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];return void 0!==o.iridescenceFactor&&(t.iridescence=o.iridescenceFactor),void 0!==o.iridescenceTexture&&i.push(n.assignTexture(t,"iridescenceMap",o.iridescenceTexture)),void 0!==o.iridescenceIor&&(t.iridescenceIOR=o.iridescenceIor),void 0===t.iridescenceThicknessRange&&(t.iridescenceThicknessRange=[100,400]),void 0!==o.iridescenceThicknessMinimum&&(t.iridescenceThicknessRange[0]=o.iridescenceThicknessMinimum),void 0!==o.iridescenceThicknessMaximum&&(t.iridescenceThicknessRange[1]=o.iridescenceThicknessMaximum),void 0!==o.iridescenceThicknessTexture&&i.push(n.assignTexture(t,"iridescenceThicknessMap",o.iridescenceThicknessTexture)),Promise.all(i)}}class nb{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_SHEEN}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[];t.sheenColor=new pe(0,0,0),t.sheenRoughness=0,t.sheen=1;const o=r.extensions[this.name];return void 0!==o.sheenColorFactor&&t.sheenColor.fromArray(o.sheenColorFactor),void 0!==o.sheenRoughnessFactor&&(t.sheenRoughness=o.sheenRoughnessFactor),void 0!==o.sheenColorTexture&&i.push(n.assignTexture(t,"sheenColorMap",o.sheenColorTexture,L)),void 0!==o.sheenRoughnessTexture&&i.push(n.assignTexture(t,"sheenRoughnessMap",o.sheenRoughnessTexture)),Promise.all(i)}}class rb{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_TRANSMISSION}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];return void 0!==o.transmissionFactor&&(t.transmission=o.transmissionFactor),void 0!==o.transmissionTexture&&i.push(n.assignTexture(t,"transmissionMap",o.transmissionTexture)),Promise.all(i)}}class ib{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_VOLUME}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];t.thickness=void 0!==o.thicknessFactor?o.thicknessFactor:0,void 0!==o.thicknessTexture&&i.push(n.assignTexture(t,"thicknessMap",o.thicknessTexture)),t.attenuationDistance=o.attenuationDistance||1/0;const a=o.attenuationColor||[1,1,1];return t.attenuationColor=new pe(a[0],a[1],a[2]),Promise.all(i)}}class ob{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_IOR}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=n.extensions[this.name];return t.ior=void 0!==r.ior?r.ior:1.5,Promise.resolve()}}class ab{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_SPECULAR}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];t.specularIntensity=void 0!==o.specularFactor?o.specularFactor:1,void 0!==o.specularTexture&&i.push(n.assignTexture(t,"specularIntensityMap",o.specularTexture));const a=o.specularColorFactor||[1,1,1];return t.specularColor=new pe(a[0],a[1],a[2]),void 0!==o.specularColorTexture&&i.push(n.assignTexture(t,"specularColorMap",o.specularColorTexture,L)),Promise.all(i)}}class sb{constructor(e){this.parser=e,this.name=Zx.KHR_TEXTURE_BASISU}loadTexture(e){const t=this.parser,n=t.json,r=n.textures[e];if(!r.extensions||!r.extensions[this.name])return null;const i=r.extensions[this.name],o=t.options.ktx2Loader;if(!o){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return t.loadTextureImage(e,i.source,o)}}class lb{constructor(e){this.parser=e,this.name=Zx.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(e){const t=this.name,n=this.parser,r=n.json,i=r.textures[e];if(!i.extensions||!i.extensions[t])return null;const o=i.extensions[t],a=r.images[o.source];let s=n.textureLoader;if(a.uri){const e=n.options.manager.getHandler(a.uri);null!==e&&(s=e)}return this.detectSupport().then((function(i){if(i)return n.loadTextureImage(e,o.source,s);if(r.extensionsRequired&&r.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class ub{constructor(e){this.name=Zx.EXT_MESHOPT_COMPRESSION,this.parser=e}loadBufferView(e){const t=this.parser.json,n=t.bufferViews[e];if(n.extensions&&n.extensions[this.name]){const e=n.extensions[this.name],r=this.parser.getDependency("buffer",e.buffer),i=this.parser.options.meshoptDecoder;if(!i||!i.supported){if(t.extensionsRequired&&t.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return r.then((function(t){const n=e.byteOffset||0,r=e.byteLength||0,o=e.count,a=e.byteStride,s=new Uint8Array(t,n,r);return i.decodeGltfBufferAsync?i.decodeGltfBufferAsync(o,a,s,e.mode,e.filter).then((function(e){return e.buffer})):i.ready.then((function(){const t=new ArrayBuffer(o*a);return i.decodeGltfBuffer(new Uint8Array(t),o,a,s,e.mode,e.filter),t}))}))}return null}}class cb{constructor(e){this.name=Zx.EXT_MESH_GPU_INSTANCING,this.parser=e}createNodeMesh(e){const t=this.parser.json,n=t.nodes[e];if(!n.extensions||!n.extensions[this.name]||void 0===n.mesh)return null;const r=t.meshes[n.mesh];for(const e of r.primitives)if(e.mode!==_b.TRIANGLES&&e.mode!==_b.TRIANGLE_STRIP&&e.mode!==_b.TRIANGLE_FAN&&void 0!==e.mode)return null;const i=n.extensions[this.name].attributes,o=[],a={};for(const e in i)o.push(this.parser.getDependency("accessor",i[e]).then((t=>(a[e]=t,a[e]))));return o.length<1?null:(o.push(this.parser.createNodeMesh(e)),Promise.all(o).then((e=>{const t=e.pop(),n=t.isGroup?t.children:[t],r=e[0].count,i=[];for(const e of n){const t=new nt,n=new Te,o=new Ee,s=new Te(1,1,1),l=new Fo(e.geometry,e.material,r);for(let e=0;e<r;e++)a.TRANSLATION&&n.fromBufferAttribute(a.TRANSLATION,e),a.ROTATION&&o.fromBufferAttribute(a.ROTATION,e),a.SCALE&&s.fromBufferAttribute(a.SCALE,e),l.setMatrixAt(e,t.compose(n,o,s));for(const t in a)"TRANSLATION"!==t&&"ROTATION"!==t&&"SCALE"!==t&&e.geometry.setAttribute(t,a[t]);Ct.prototype.copy.call(l,e),l.frustumCulled=!1,this.parser.assignFinalMaterial(l),i.push(l)}return t.isGroup?(t.clear(),t.add(...i),t):i[0]})))}}const db="glTF";class hb{constructor(e){this.name=Zx.KHR_BINARY_GLTF,this.content=null,this.body=null;const t=new DataView(e,0,12);if(this.header={magic:cs.decodeText(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==db)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,r=new DataView(e,12);let i=0;for(;i<n;){const t=r.getUint32(i,!0);i+=4;const n=r.getUint32(i,!0);if(i+=4,1313821514===n){const n=new Uint8Array(e,12+i,t);this.content=cs.decodeText(n)}else if(5130562===n){const n=12+i;this.body=e.slice(n,n+t)}i+=t}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class fb{constructor(e,t){if(!t)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=Zx.KHR_DRACO_MESH_COMPRESSION,this.json=e,this.dracoLoader=t,this.dracoLoader.preload()}decodePrimitive(e,t){const n=this.json,r=this.dracoLoader,i=e.extensions[this.name].bufferView,o=e.extensions[this.name].attributes,a={},s={},l={};for(const e in o){const t=Tb[e]||e.toLowerCase();a[t]=o[e]}for(const t in e.attributes){const r=Tb[t]||t.toLowerCase();if(void 0!==o[t]){const i=n.accessors[e.attributes[t]],o=wb[i.componentType];l[r]=o.name,s[r]=!0===i.normalized}}return t.getDependency("bufferView",i).then((function(e){return new Promise((function(t){r.decodeDracoFile(e,(function(e){for(const t in e.attributes){const n=e.attributes[t],r=s[t];void 0!==r&&(n.normalized=r)}t(e)}),a,l)}))}))}}class pb{constructor(){this.name=Zx.KHR_TEXTURE_TRANSFORM}extendTexture(e,t){return void 0!==t.texCoord&&console.warn('THREE.GLTFLoader: Custom UV sets in "'+this.name+'" extension not yet supported.'),void 0===t.offset&&void 0===t.rotation&&void 0===t.scale||(e=e.clone(),void 0!==t.offset&&e.offset.fromArray(t.offset),void 0!==t.rotation&&(e.rotation=t.rotation),void 0!==t.scale&&e.repeat.fromArray(t.scale),e.needsUpdate=!0),e}}class mb extends xa{constructor(e){super(),this.isGLTFSpecularGlossinessMaterial=!0;const t=["#ifdef USE_SPECULARMAP","\tuniform sampler2D specularMap;","#endif"].join("\n"),n=["#ifdef USE_GLOSSINESSMAP","\tuniform sampler2D glossinessMap;","#endif"].join("\n"),r=["vec3 specularFactor = specular;","#ifdef USE_SPECULARMAP","\tvec4 texelSpecular = texture2D( specularMap, vUv );","\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture","\tspecularFactor *= texelSpecular.rgb;","#endif"].join("\n"),i=["float glossinessFactor = glossiness;","#ifdef USE_GLOSSINESSMAP","\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );","\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture","\tglossinessFactor *= texelGlossiness.a;","#endif"].join("\n"),o=["PhysicalMaterial material;","material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );","vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );","float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );","material.roughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.","material.roughness += geometryRoughness;","material.roughness = min( material.roughness, 1.0 );","material.specularColor = specularFactor;"].join("\n"),a={specular:{value:(new pe).setHex(16777215)},glossiness:{value:1},specularMap:{value:null},glossinessMap:{value:null}};this._extraUniforms=a,this.onBeforeCompile=function(e){for(const t in a)e.uniforms[t]=a[t];e.fragmentShader=e.fragmentShader.replace("uniform float roughness;","uniform vec3 specular;").replace("uniform float metalness;","uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>",t).replace("#include <metalnessmap_pars_fragment>",n).replace("#include <roughnessmap_fragment>",r).replace("#include <metalnessmap_fragment>",i).replace("#include <lights_physical_fragment>",o)},Object.defineProperties(this,{specular:{get:function(){return a.specular.value},set:function(e){a.specular.value=e}},specularMap:{get:function(){return a.specularMap.value},set:function(e){a.specularMap.value=e,e?this.defines.USE_SPECULARMAP="":delete this.defines.USE_SPECULARMAP}},glossiness:{get:function(){return a.glossiness.value},set:function(e){a.glossiness.value=e}},glossinessMap:{get:function(){return a.glossinessMap.value},set:function(e){a.glossinessMap.value=e,e?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_UV=""):(delete this.defines.USE_GLOSSINESSMAP,delete this.defines.USE_UV)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(e)}copy(e){return super.copy(e),this.specularMap=e.specularMap,this.specular.copy(e.specular),this.glossinessMap=e.glossinessMap,this.glossiness=e.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this}}class gb{constructor(){this.name=Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,this.specularGlossinessParams=["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity"]}getMaterialType(){return mb}extendParams(e,t,n){const r=t.extensions[this.name];e.color=new pe(1,1,1),e.opacity=1;const i=[];if(Array.isArray(r.diffuseFactor)){const t=r.diffuseFactor;e.color.fromArray(t),e.opacity=t[3]}if(void 0!==r.diffuseTexture&&i.push(n.assignTexture(e,"map",r.diffuseTexture,L)),e.emissive=new pe(0,0,0),e.glossiness=void 0!==r.glossinessFactor?r.glossinessFactor:1,e.specular=new pe(1,1,1),Array.isArray(r.specularFactor)&&e.specular.fromArray(r.specularFactor),void 0!==r.specularGlossinessTexture){const t=r.specularGlossinessTexture;i.push(n.assignTexture(e,"glossinessMap",t)),i.push(n.assignTexture(e,"specularMap",t,L))}return Promise.all(i)}createMaterial(e){const t=new mb(e);return t.fog=!0,t.color=e.color,t.map=void 0===e.map?null:e.map,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=void 0===e.aoMap?null:e.aoMap,t.aoMapIntensity=1,t.emissive=e.emissive,t.emissiveIntensity=void 0===e.emissiveIntensity?1:e.emissiveIntensity,t.emissiveMap=void 0===e.emissiveMap?null:e.emissiveMap,t.bumpMap=void 0===e.bumpMap?null:e.bumpMap,t.bumpScale=1,t.normalMap=void 0===e.normalMap?null:e.normalMap,t.normalMapType=0,e.normalScale&&(t.normalScale=e.normalScale),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.specularMap=void 0===e.specularMap?null:e.specularMap,t.specular=e.specular,t.glossinessMap=void 0===e.glossinessMap?null:e.glossinessMap,t.glossiness=e.glossiness,t.alphaMap=null,t.envMap=void 0===e.envMap?null:e.envMap,t.envMapIntensity=1,t}}class vb{constructor(){this.name=Zx.KHR_MESH_QUANTIZATION}}class yb extends Ca{constructor(e,t,n,r){super(e,t,n,r)}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r*3+r;for(let e=0;e!==r;e++)t[e]=n[i+e];return t}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=2*a,l=3*a,u=r-t,c=(n-t)/u,d=c*c,h=d*c,f=e*l,p=f-l,m=-2*h+3*d,g=h-d,v=1-m,y=g-d+c;for(let e=0;e!==a;e++){const t=o[p+e+a],n=o[p+e+s]*u,r=o[f+e+a],l=o[f+e]*u;i[e]=v*t+y*n+m*r+g*l}return i}}const xb=new Ee;class bb extends yb{interpolate_(e,t,n,r){const i=super.interpolate_(e,t,n,r);return xb.fromArray(i).normalize().toArray(i),i}}const _b={FLOAT:5126,FLOAT_MAT3:35675,FLOAT_MAT4:35676,FLOAT_VEC2:35664,FLOAT_VEC3:35665,FLOAT_VEC4:35666,LINEAR:9729,REPEAT:10497,SAMPLER_2D:35678,POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6,UNSIGNED_BYTE:5121,UNSIGNED_SHORT:5123},wb={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Sb={9728:d,9729:p,9984:h,9985:1007,9986:f,9987:m},Mb={33071:u,33648:c,10497:l},Eb={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Tb={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},Cb={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},Ab={CUBICSPLINE:void 0,LINEAR:k,STEP:A};function kb(e,t,n){for(const r in n.extensions)void 0===e[r]&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[r]=n.extensions[r])}function Pb(e,t){void 0!==t.extras&&("object"==typeof t.extras?Object.assign(e.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function Rb(e,t){if(e.updateMorphTargets(),void 0!==t.weights)for(let n=0,r=t.weights.length;n<r;n++)e.morphTargetInfluences[n]=t.weights[n];if(t.extras&&Array.isArray(t.extras.targetNames)){const n=t.extras.targetNames;if(e.morphTargetInfluences.length===n.length){e.morphTargetDictionary={};for(let t=0,r=n.length;t<r;t++)e.morphTargetDictionary[n[t]]=t}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function Lb(e){const t=e.extensions&&e.extensions[Zx.KHR_DRACO_MESH_COMPRESSION];let n;return n=t?"draco:"+t.bufferView+":"+t.indices+":"+Ib(t.attributes):e.indices+":"+Ib(e.attributes)+":"+e.mode,n}function Ib(e){let t="";const n=Object.keys(e).sort();for(let r=0,i=n.length;r<i;r++)t+=n[r]+":"+e[n[r]]+";";return t}function Nb(e){switch(e){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}class Ob{constructor(e={},t={}){this.json=e,this.extensions={},this.plugins={},this.options=t,this.cache=new Yx,this.associations=new Map,this.primitiveCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};const n=!0===/^((?!chrome|android).)*safari/i.test(navigator.userAgent),r=navigator.userAgent.indexOf("Firefox")>-1,i=r?navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1]:-1;"undefined"==typeof createImageBitmap||n||r&&i<98?this.textureLoader=new Ya(this.options.manager):this.textureLoader=new hs(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new $a(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(e){this.extensions=e}setPlugins(e){this.plugins=e}parse(e,t){const n=this,r=this.json,i=this.extensions;this.cache.removeAll(),this._invokeAll((function(e){return e._markDefs&&e._markDefs()})),Promise.all(this._invokeAll((function(e){return e.beforeRoot&&e.beforeRoot()}))).then((function(){return Promise.all([n.getDependencies("scene"),n.getDependencies("animation"),n.getDependencies("camera")])})).then((function(t){const o={scene:t[0][r.scene||0],scenes:t[0],animations:t[1],cameras:t[2],asset:r.asset,parser:n,userData:{}};kb(i,o,r),Pb(o,r),Promise.all(n._invokeAll((function(e){return e.afterRoot&&e.afterRoot(o)}))).then((function(){e(o)}))})).catch(t)}_markDefs(){const e=this.json.nodes||[],t=this.json.skins||[],n=this.json.meshes||[];for(let n=0,r=t.length;n<r;n++){const r=t[n].joints;for(let t=0,n=r.length;t<n;t++)e[r[t]].isBone=!0}for(let t=0,r=e.length;t<r;t++){const r=e[t];void 0!==r.mesh&&(this._addNodeRef(this.meshCache,r.mesh),void 0!==r.skin&&(n[r.mesh].isSkinnedMesh=!0)),void 0!==r.camera&&this._addNodeRef(this.cameraCache,r.camera)}}_addNodeRef(e,t){void 0!==t&&(void 0===e.refs[t]&&(e.refs[t]=e.uses[t]=0),e.refs[t]++)}_getNodeRef(e,t,n){if(e.refs[t]<=1)return n;const r=n.clone(),i=(e,t)=>{const n=this.associations.get(e);null!=n&&this.associations.set(t,n);for(const[n,r]of e.children.entries())i(r,t.children[n])};return i(n,r),r.name+="_instance_"+e.uses[t]++,r}_invokeOne(e){const t=Object.values(this.plugins);t.push(this);for(let n=0;n<t.length;n++){const r=e(t[n]);if(r)return r}return null}_invokeAll(e){const t=Object.values(this.plugins);t.unshift(this);const n=[];for(let r=0;r<t.length;r++){const i=e(t[r]);i&&n.push(i)}return n}getDependency(e,t){const n=e+":"+t;let r=this.cache.get(n);if(!r){switch(e){case"scene":r=this.loadScene(t);break;case"node":r=this.loadNode(t);break;case"mesh":r=this._invokeOne((function(e){return e.loadMesh&&e.loadMesh(t)}));break;case"accessor":r=this.loadAccessor(t);break;case"bufferView":r=this._invokeOne((function(e){return e.loadBufferView&&e.loadBufferView(t)}));break;case"buffer":r=this.loadBuffer(t);break;case"material":r=this._invokeOne((function(e){return e.loadMaterial&&e.loadMaterial(t)}));break;case"texture":r=this._invokeOne((function(e){return e.loadTexture&&e.loadTexture(t)}));break;case"skin":r=this.loadSkin(t);break;case"animation":r=this._invokeOne((function(e){return e.loadAnimation&&e.loadAnimation(t)}));break;case"camera":r=this.loadCamera(t);break;default:throw new Error("Unknown type: "+e)}this.cache.add(n,r)}return r}getDependencies(e){let t=this.cache.get(e);if(!t){const n=this,r=this.json[e+("mesh"===e?"es":"s")]||[];t=Promise.all(r.map((function(t,r){return n.getDependency(e,r)}))),this.cache.add(e,t)}return t}loadBuffer(e){const t=this.json.buffers[e],n=this.fileLoader;if(t.type&&"arraybuffer"!==t.type)throw new Error("THREE.GLTFLoader: "+t.type+" buffer type is not supported.");if(void 0===t.uri&&0===e)return Promise.resolve(this.extensions[Zx.KHR_BINARY_GLTF].body);const r=this.options;return new Promise((function(e,i){n.load(cs.resolveURL(t.uri,r.path),e,void 0,(function(){i(new Error('THREE.GLTFLoader: Failed to load buffer "'+t.uri+'".'))}))}))}loadBufferView(e){const t=this.json.bufferViews[e];return this.getDependency("buffer",t.buffer).then((function(e){const n=t.byteLength||0,r=t.byteOffset||0;return e.slice(r,r+n)}))}loadAccessor(e){const t=this,n=this.json,r=this.json.accessors[e];if(void 0===r.bufferView&&void 0===r.sparse)return Promise.resolve(null);const i=[];return void 0!==r.bufferView?i.push(this.getDependency("bufferView",r.bufferView)):i.push(null),void 0!==r.sparse&&(i.push(this.getDependency("bufferView",r.sparse.indices.bufferView)),i.push(this.getDependency("bufferView",r.sparse.values.bufferView))),Promise.all(i).then((function(e){const i=e[0],o=Eb[r.type],a=wb[r.componentType],s=a.BYTES_PER_ELEMENT,l=s*o,u=r.byteOffset||0,c=void 0!==r.bufferView?n.bufferViews[r.bufferView].byteStride:void 0,d=!0===r.normalized;let h,f;if(c&&c!==l){const e=Math.floor(u/c),n="InterleavedBuffer:"+r.bufferView+":"+r.componentType+":"+e+":"+r.count;let l=t.cache.get(n);l||(h=new a(i,e*c,r.count*c/s),l=new xo(h,c/s),t.cache.add(n,l)),f=new _o(l,o,u%c/s,d)}else h=null===i?new a(r.count*o):new a(i,u,r.count*o),f=new Gt(h,o,d);if(void 0!==r.sparse){const t=Eb.SCALAR,n=wb[r.sparse.indices.componentType],s=r.sparse.indices.byteOffset||0,l=r.sparse.values.byteOffset||0,u=new n(e[1],s,r.sparse.count*t),c=new a(e[2],l,r.sparse.count*o);null!==i&&(f=new Gt(f.array.slice(),f.itemSize,f.normalized));for(let e=0,t=u.length;e<t;e++){const t=u[e];if(f.setX(t,c[e*o]),o>=2&&f.setY(t,c[e*o+1]),o>=3&&f.setZ(t,c[e*o+2]),o>=4&&f.setW(t,c[e*o+3]),o>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return f}))}loadTexture(e){const t=this.json,n=this.options,r=t.textures[e].source,i=t.images[r];let o=this.textureLoader;if(i.uri){const e=n.manager.getHandler(i.uri);null!==e&&(o=e)}return this.loadTextureImage(e,r,o)}loadTextureImage(e,t,n){const r=this,i=this.json,o=i.textures[e],a=i.images[t],s=(a.uri||a.bufferView)+":"+o.sampler;if(this.textureCache[s])return this.textureCache[s];const u=this.loadImageSource(t,n).then((function(t){t.flipY=!1,t.name=o.name||a.name||"";const n=(i.samplers||{})[o.sampler]||{};return t.magFilter=Sb[n.magFilter]||p,t.minFilter=Sb[n.minFilter]||m,t.wrapS=Mb[n.wrapS]||l,t.wrapT=Mb[n.wrapT]||l,r.associations.set(t,{textures:e}),t})).catch((function(){return null}));return this.textureCache[s]=u,u}loadImageSource(e,t){const n=this.json,r=this.options;if(void 0!==this.sourceCache[e])return this.sourceCache[e].then((e=>e.clone()));const i=n.images[e],o=self.URL||self.webkitURL;let a=i.uri||"",s=!1;if(void 0!==i.bufferView)a=this.getDependency("bufferView",i.bufferView).then((function(e){s=!0;const t=new Blob([e],{type:i.mimeType});return a=o.createObjectURL(t),a}));else if(void 0===i.uri)throw new Error("THREE.GLTFLoader: Image "+e+" is missing URI and bufferView");const l=Promise.resolve(a).then((function(e){return new Promise((function(n,i){let o=n;!0===t.isImageBitmapLoader&&(o=function(e){const t=new be(e);t.needsUpdate=!0,n(t)}),t.load(cs.resolveURL(e,r.path),o,void 0,i)}))})).then((function(e){var t;return!0===s&&o.revokeObjectURL(a),e.userData.mimeType=i.mimeType||((t=i.uri).search(/\.jpe?g($|\?)/i)>0||0===t.search(/^data\:image\/jpeg/)?"image/jpeg":t.search(/\.webp($|\?)/i)>0||0===t.search(/^data\:image\/webp/)?"image/webp":"image/png"),e})).catch((function(e){throw console.error("THREE.GLTFLoader: Couldn't load texture",a),e}));return this.sourceCache[e]=l,l}assignTexture(e,t,n,r){const i=this;return this.getDependency("texture",n.index).then((function(o){if(void 0===n.texCoord||0==n.texCoord||"aoMap"===t&&1==n.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+n.texCoord+" for texture "+t+" not yet supported."),i.extensions[Zx.KHR_TEXTURE_TRANSFORM]){const e=void 0!==n.extensions?n.extensions[Zx.KHR_TEXTURE_TRANSFORM]:void 0;if(e){const t=i.associations.get(o);o=i.extensions[Zx.KHR_TEXTURE_TRANSFORM].extendTexture(o,e),i.associations.set(o,t)}}return void 0!==r&&(o.encoding=r),e[t]=o,o}))}assignFinalMaterial(e){const t=e.geometry;let n=e.material;const r=void 0===t.attributes.tangent,i=void 0!==t.attributes.color,o=void 0===t.attributes.normal;if(e.isPoints){const e="PointsMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Ko,Bt.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,t.sizeAttenuation=!1,this.cache.add(e,t)),n=t}else if(e.isLine){const e="LineBasicMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Bo,Bt.prototype.copy.call(t,n),t.color.copy(n.color),this.cache.add(e,t)),n=t}if(r||i||o){let e="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(e+="specular-glossiness:"),r&&(e+="derivative-tangents:"),i&&(e+="vertex-colors:"),o&&(e+="flat-shading:");let t=this.cache.get(e);t||(t=n.clone(),i&&(t.vertexColors=!0),o&&(t.flatShading=!0),r&&(t.normalScale&&(t.normalScale.y*=-1),t.clearcoatNormalScale&&(t.clearcoatNormalScale.y*=-1)),this.cache.add(e,t),this.associations.set(t,this.associations.get(n))),n=t}n.aoMap&&void 0===t.attributes.uv2&&void 0!==t.attributes.uv&&t.setAttribute("uv2",t.attributes.uv),e.material=n}getMaterialType(){return xa}loadMaterial(e){const t=this,n=this.json,r=this.extensions,i=n.materials[e];let o;const a={},s=i.extensions||{},l=[];if(s[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){const e=r[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];o=e.getMaterialType(),l.push(e.extendParams(a,i,t))}else if(s[Zx.KHR_MATERIALS_UNLIT]){const e=r[Zx.KHR_MATERIALS_UNLIT];o=e.getMaterialType(),l.push(e.extendParams(a,i,t))}else{const n=i.pbrMetallicRoughness||{};if(a.color=new pe(1,1,1),a.opacity=1,Array.isArray(n.baseColorFactor)){const e=n.baseColorFactor;a.color.fromArray(e),a.opacity=e[3]}void 0!==n.baseColorTexture&&l.push(t.assignTexture(a,"map",n.baseColorTexture,L)),a.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,a.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(t.assignTexture(a,"metalnessMap",n.metallicRoughnessTexture)),l.push(t.assignTexture(a,"roughnessMap",n.metallicRoughnessTexture))),o=this._invokeOne((function(t){return t.getMaterialType&&t.getMaterialType(e)})),l.push(Promise.all(this._invokeAll((function(t){return t.extendMaterialParams&&t.extendMaterialParams(e,a)}))))}!0===i.doubleSided&&(a.side=2);const u=i.alphaMode||"OPAQUE";if("BLEND"===u?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,"MASK"===u&&(a.alphaTest=void 0!==i.alphaCutoff?i.alphaCutoff:.5)),void 0!==i.normalTexture&&o!==Ht&&(l.push(t.assignTexture(a,"normalMap",i.normalTexture)),a.normalScale=new ee(1,1),void 0!==i.normalTexture.scale)){const e=i.normalTexture.scale;a.normalScale.set(e,e)}return void 0!==i.occlusionTexture&&o!==Ht&&(l.push(t.assignTexture(a,"aoMap",i.occlusionTexture)),void 0!==i.occlusionTexture.strength&&(a.aoMapIntensity=i.occlusionTexture.strength)),void 0!==i.emissiveFactor&&o!==Ht&&(a.emissive=(new pe).fromArray(i.emissiveFactor)),void 0!==i.emissiveTexture&&o!==Ht&&l.push(t.assignTexture(a,"emissiveMap",i.emissiveTexture,L)),Promise.all(l).then((function(){let n;return n=o===mb?r[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(a):new o(a),i.name&&(n.name=i.name),Pb(n,i),t.associations.set(n,{materials:e}),i.extensions&&kb(r,n,i),n}))}createUniqueName(e){const t=ys.sanitizeNodeName(e||"");let n=t;for(let e=1;this.nodeNamesUsed[n];++e)n=t+"_"+e;return this.nodeNamesUsed[n]=!0,n}loadGeometries(e){const t=this,n=this.extensions,r=this.primitiveCache;function i(e){return n[Zx.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then((function(n){return zb(n,e,t)}))}const o=[];for(let n=0,a=e.length;n<a;n++){const a=e[n],s=Lb(a),l=r[s];if(l)o.push(l.promise);else{let e;e=a.extensions&&a.extensions[Zx.KHR_DRACO_MESH_COMPRESSION]?i(a):zb(new tn,a,t),r[s]={primitive:a,promise:e},o.push(e)}}return Promise.all(o)}loadMesh(e){const t=this,n=this.json,r=this.extensions,i=n.meshes[e],o=i.primitives,a=[];for(let e=0,t=o.length;e<t;e++){const t=void 0===o[e].material?(void 0===(s=this.cache).DefaultMaterial&&(s.DefaultMaterial=new xa({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),s.DefaultMaterial):this.getDependency("material",o[e].material);a.push(t)}var s;return a.push(t.loadGeometries(o)),Promise.all(a).then((function(n){const a=n.slice(0,n.length-1),s=n[n.length-1],l=[];for(let n=0,u=s.length;n<u;n++){const u=s[n],c=o[n];let d;const h=a[n];if(c.mode===_b.TRIANGLES||c.mode===_b.TRIANGLE_STRIP||c.mode===_b.TRIANGLE_FAN||void 0===c.mode)d=!0===i.isSkinnedMesh?new Co(u,h):new bn(u,h),!0!==d.isSkinnedMesh||d.geometry.attributes.skinWeight.normalized||d.normalizeSkinWeights(),c.mode===_b.TRIANGLE_STRIP?d.geometry=Ub(d.geometry,1):c.mode===_b.TRIANGLE_FAN&&(d.geometry=Ub(d.geometry,2));else if(c.mode===_b.LINES)d=new Yo(u,h);else if(c.mode===_b.LINE_STRIP)d=new Xo(u,h);else if(c.mode===_b.LINE_LOOP)d=new Zo(u,h);else{if(c.mode!==_b.POINTS)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+c.mode);d=new na(u,h)}Object.keys(d.geometry.morphAttributes).length>0&&Rb(d,i),d.name=t.createUniqueName(i.name||"mesh_"+e),Pb(d,i),c.extensions&&kb(r,d,c),t.assignFinalMaterial(d),l.push(d)}for(let n=0,r=l.length;n<r;n++)t.associations.set(l[n],{meshes:e,primitives:n});if(1===l.length)return l[0];const u=new lo;t.associations.set(u,{meshes:e});for(let e=0,t=l.length;e<t;e++)u.add(l[e]);return u}))}loadCamera(e){let t;const n=this.json.cameras[e],r=n[n.type];if(r)return"perspective"===n.type?t=new 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*$/.test(e.align[n])?e.align[n]="left":e.align[n]=null;for(a=e.rows.length,n=0;n<a;n++)e.rows[n]=a_(e.rows[n],e.header.length).map((e=>({text:e})));for(a=e.header.length,r=0;r<a;r++)e.header[r].tokens=this.lexer.inline(e.header[r].text);for(a=e.rows.length,r=0;r<a;r++)for(o=e.rows[r],i=0;i<o.length;i++)o[i].tokens=this.lexer.inline(o[i].text);return e}}}lheading(e){const t=this.rules.block.lheading.exec(e);if(t)return{type:"heading",raw:t[0],depth:"="===t[2].charAt(0)?1:2,text:t[1],tokens:this.lexer.inline(t[1])}}paragraph(e){const t=this.rules.block.paragraph.exec(e);if(t){const e="\n"===t[1].charAt(t[1].length-1)?t[1].slice(0,-1):t[1];return{type:"paragraph",raw:t[0],text:e,tokens:this.lexer.inline(e)}}}text(e){const t=this.rules.block.text.exec(e);if(t)return{type:"text",raw:t[0],text:t[0],tokens:this.lexer.inline(t[0])}}escape(e){const t=this.rules.inline.escape.exec(e);if(t)return{type:"escape",raw:t[0],text:Xb(t[1])}}tag(e){const t=this.rules.inline.tag.exec(e);if(t)return!this.lexer.state.inLink&&/^<a /i.test(t[0])?this.lexer.state.inLink=!0:this.lexer.state.inLink&&/^<\/a>/i.test(t[0])&&(this.lexer.state.inLink=!1),!this.lexer.state.inRawBlock&&/^<(pre|code|kbd|script)(\s|>)/i.test(t[0])?this.lexer.state.inRawBlock=!0:this.lexer.state.inRawBlock&&/^<\/(pre|code|kbd|script)(\s|>)/i.test(t[0])&&(this.lexer.state.inRawBlock=!1),{type:this.options.sanitize?"text":"html",raw:t[0],inLink:this.lexer.state.inLink,inRawBlock:this.lexer.state.inRawBlock,text:this.options.sanitize?this.options.sanitizer?this.options.sanitizer(t[0]):Xb(t[0]):t[0]}}link(e){const t=this.rules.inline.link.exec(e);if(t){const e=t[2].trim();if(!this.options.pedantic&&/^</.test(e)){if(!/>$/.test(e))return;const t=s_(e.slice(0,-1),"\\");if((e.length-t.length)%2==0)return}else{const e=function(e,t){if(-1===e.indexOf(t[1]))return-1;const n=e.length;let r=0,i=0;for(;i<n;i++)if("\\"===e[i])i++;else if(e[i]===t[0])r++;else 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i=r[1]||r[2]||"";if(!i||i&&(""===n||this.rules.inline.punctuation.exec(n))){const n=r[0].length-1;let i,o,a=n,s=0;const l="*"===r[0][0]?this.rules.inline.emStrong.rDelimAst:this.rules.inline.emStrong.rDelimUnd;for(l.lastIndex=0,t=t.slice(-1*e.length+n);null!=(r=l.exec(t));){if(i=r[1]||r[2]||r[3]||r[4]||r[5]||r[6],!i)continue;if(o=i.length,r[3]||r[4]){a+=o;continue}if((r[5]||r[6])&&n%3&&!((n+o)%3)){s+=o;continue}if(a-=o,a>0)continue;o=Math.min(o,o+a+s);const t=e.slice(0,n+r.index+(r[0].length-i.length)+o);if(Math.min(n,o)%2){const e=t.slice(1,-1);return{type:"em",raw:t,text:e,tokens:this.lexer.inlineTokens(e)}}const l=t.slice(2,-2);return{type:"strong",raw:t,text:l,tokens:this.lexer.inlineTokens(l)}}}}codespan(e){const t=this.rules.inline.code.exec(e);if(t){let e=t[2].replace(/\n/g," ");const n=/[^ ]/.test(e),r=/^ /.test(e)&&/ $/.test(e);return n&&r&&(e=e.substring(1,e.length-1)),e=Xb(e,!0),{type:"codespan",raw:t[0],text:e}}}br(e){const t=this.rules.inline.br.exec(e);if(t)return{type:"br",raw:t[0]}}del(e){const t=this.rules.inline.del.exec(e);if(t)return{type:"del",raw:t[0],text:t[2],tokens:this.lexer.inlineTokens(t[2])}}autolink(e,t){const n=this.rules.inline.autolink.exec(e);if(n){let e,r;return"@"===n[2]?(e=Xb(this.options.mangle?t(n[1]):n[1]),r="mailto:"+e):(e=Xb(n[1]),r=e),{type:"link",raw:n[0],text:e,href:r,tokens:[{type:"text",raw:e,text:e}]}}}url(e,t){let n;if(n=this.rules.inline.url.exec(e)){let e,r;if("@"===n[2])e=Xb(this.options.mangle?t(n[0]):n[0]),r="mailto:"+e;else{let t;do{t=n[0],n[0]=this.rules.inline._backpedal.exec(n[0])[0]}while(t!==n[0]);e=Xb(n[0]),r="www."===n[1]?"http://"+e:e}return{type:"link",raw:n[0],text:e,href:r,tokens:[{type:"text",raw:e,text:e}]}}}inlineText(e,t){const n=this.rules.inline.text.exec(e);if(n){let e;return 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{0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",h_._tag).getRegex(),h_.pedantic=o_({},h_.normal,{html:Zb("^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:\"[^\"]*\"|'[^']*'|\\s[^'\"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))").replace("comment",h_._comment).replace(/tag/g,"(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(),def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,heading:/^(#{1,6})(.*)(?:\n+|$)/,fences:i_,paragraph:Zb(h_.normal._paragraph).replace("hr",h_.hr).replace("heading"," *#{1,6} *[^\n]").replace("lheading",h_.lheading).replace("blockquote"," {0,3}>").replace("|fences","").replace("|list","").replace("|html","").getRegex()});const f_={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:i_,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^(?:[^_*\\]|\\.)*?\_\_(?:[^_*\\]|\\.)*?\*(?:[^_*\\]|\\.)*?(?=\_\_)|(?:[^*\\]|\\.)+(?=[^*])|[punct_](\*+)(?=[\s]|$)|(?:[^punct*_\s\\]|\\.)(\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|(?:[^punct*_\s\\]|\\.)(\*+)(?=[^punct*_\s])/,rDelimUnd:/^(?:[^_*\\]|\\.)*?\*\*(?:[^_*\\]|\\.)*?\_(?:[^_*\\]|\\.)*?(?=\*\*)|(?:[^_\\]|\\.)+(?=[^_])|[punct*](\_+)(?=[\s]|$)|(?:[^punct*_\s\\]|\\.)(\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:i_,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function p_(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function m_(e){let t,n,r="";const i=e.length;for(t=0;t<i;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),r+="&#"+n+";";return r}f_._punctuation="!\"#$%&'()+\\-.,/:;<=>?@\\[\\]`^{|}~",f_.punctuation=Zb(f_.punctuation).replace(/punctuation/g,f_._punctuation).getRegex(),f_.blockSkip=/\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g,f_.escapedEmSt=/(?:^|[^\\])(?:\\\\)*\\[*_]/g,f_._comment=Zb(h_._comment).replace("(?:--\x3e|$)","--\x3e").getRegex(),f_.emStrong.lDelim=Zb(f_.emStrong.lDelim).replace(/punct/g,f_._punctuation).getRegex(),f_.emStrong.rDelimAst=Zb(f_.emStrong.rDelimAst,"g").replace(/punct/g,f_._punctuation).getRegex(),f_.emStrong.rDelimUnd=Zb(f_.emStrong.rDelimUnd,"g").replace(/punct/g,f_._punctuation).getRegex(),f_._escapes=/\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g,f_._scheme=/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/,f_._email=/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/,f_.autolink=Zb(f_.autolink).replace("scheme",f_._scheme).replace("email",f_._email).getRegex(),f_._attribute=/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/,f_.tag=Zb(f_.tag).replace("comment",f_._comment).replace("attribute",f_._attribute).getRegex(),f_._label=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,f_._href=/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/,f_._title=/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/,f_.link=Zb(f_.link).replace("label",f_._label).replace("href",f_._href).replace("title",f_._title).getRegex(),f_.reflink=Zb(f_.reflink).replace("label",f_._label).replace("ref",h_._label).getRegex(),f_.nolink=Zb(f_.nolink).replace("ref",h_._label).getRegex(),f_.reflinkSearch=Zb(f_.reflinkSearch,"g").replace("reflink",f_.reflink).replace("nolink",f_.nolink).getRegex(),f_.normal=o_({},f_),f_.pedantic=o_({},f_.normal,{strong:{start:/^__|\*\*/,middle:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,endAst:/\*\*(?!\*)/g,endUnd:/__(?!_)/g},em:{start:/^_|\*/,middle:/^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,endAst:/\*(?!\*)/g,endUnd:/_(?!_)/g},link:Zb(/^!?\[(label)\]\((.*?)\)/).replace("label",f_._label).getRegex(),reflink:Zb(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",f_._label).getRegex()}),f_.gfm=o_({},f_.normal,{escape:Zb(f_.escape).replace("])","~|])").getRegex(),_extended_email:/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,url:/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,_backpedal:/(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,del:/^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,text:/^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/}),f_.gfm.url=Zb(f_.gfm.url,"i").replace("email",f_.gfm._extended_email).getRegex(),f_.breaks=o_({},f_.gfm,{br:Zb(f_.br).replace("{2,}","*").getRegex(),text:Zb(f_.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class g_{constructor(e){this.tokens=[],this.tokens.links=Object.create(null),this.options=e||Fb,this.options.tokenizer=this.options.tokenizer||new d_,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const t={block:h_.normal,inline:f_.normal};this.options.pedantic?(t.block=h_.pedantic,t.inline=f_.pedantic):this.options.gfm&&(t.block=h_.gfm,this.options.breaks?t.inline=f_.breaks:t.inline=f_.gfm),this.tokenizer.rules=t}static get rules(){return{block:h_,inline:f_}}static lex(e,t){return new g_(t).lex(e)}static lexInline(e,t){return new g_(t).inlineTokens(e)}lex(e){let t;for(e=e.replace(/\r\n|\r/g,"\n"),this.blockTokens(e,this.tokens);t=this.inlineQueue.shift();)this.inlineTokens(t.src,t.tokens);return this.tokens}blockTokens(e,t=[]){let n,r,i,o;for(e=this.options.pedantic?e.replace(/\t/g,"    ").replace(/^ +$/gm,""):e.replace(/^( *)(\t+)/gm,((e,t,n)=>t+"    ".repeat(n.length)));e;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.space(e))e=e.substring(n.raw.length),1===n.raw.length&&t.length>0?t[t.length-1].raw+="\n":t.push(n);else if(n=this.tokenizer.code(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?t.push(n):(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.fences(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.heading(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.hr(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.blockquote(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.list(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(r.raw+="\n"+n.raw,r.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(i=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startBlock.forEach((function(e){r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(i=e.substring(0,t+1))}if(this.state.top&&(n=this.tokenizer.paragraph(i)))r=t[t.length-1],o&&"paragraph"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n),o=i.length!==e.length,e=e.substring(n.raw.length);else if(n=this.tokenizer.text(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(e,t=[]){let n,r,i,o,a,s,l=e;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(o=this.tokenizer.rules.inline.reflinkSearch.exec(l));)e.includes(o[0].slice(o[0].lastIndexOf("[")+1,-1))&&(l=l.slice(0,o.index)+"["+u_("a",o[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(o=this.tokenizer.rules.inline.blockSkip.exec(l));)l=l.slice(0,o.index)+"["+u_("a",o[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(o=this.tokenizer.rules.inline.escapedEmSt.exec(l));)l=l.slice(0,o.index+o[0].length-2)+"++"+l.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex),this.tokenizer.rules.inline.escapedEmSt.lastIndex--;for(;e;)if(a||(s=""),a=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.escape(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.link(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(e,l,s))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(e,m_))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e,m_))){if(i=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startInline.forEach((function(e){r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(i=e.substring(0,t+1))}if(n=this.tokenizer.inlineText(i,p_))e=e.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(s=n.raw.slice(-1)),a=!0,r=t[t.length-1],r&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}else e=e.substring(n.raw.length),t.push(n);return t}}class v_{constructor(e){this.options=e||Fb}code(e,t,n){const r=(t||"").match(/\S*/)[0];if(this.options.highlight){const t=this.options.highlight(e,r);null!=t&&t!==e&&(n=!0,e=t)}return e=e.replace(/\n$/,"")+"\n",r?'<pre><code class="'+this.options.langPrefix+Xb(r,!0)+'">'+(n?e:Xb(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:Xb(e,!0))+"</code></pre>\n"}blockquote(e){return`<blockquote>\n${e}</blockquote>\n`}html(e){return e}heading(e,t,n,r){return this.options.headerIds?`<h${t} id="${this.options.headerPrefix+r.slug(n)}">${e}</h${t}>\n`:`<h${t}>${e}</h${t}>\n`}hr(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}list(e,t,n){const r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"}listitem(e){return`<li>${e}</li>\n`}checkbox(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}paragraph(e){return`<p>${e}</p>\n`}table(e,t){return t&&(t=`<tbody>${t}</tbody>`),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}tablerow(e){return`<tr>\n${e}</tr>\n`}tablecell(e,t){const n=t.header?"th":"td";return(t.align?`<${n} align="${t.align}">`:`<${n}>`)+e+`</${n}>\n`}strong(e){return`<strong>${e}</strong>`}em(e){return`<em>${e}</em>`}codespan(e){return`<code>${e}</code>`}br(){return this.options.xhtml?"<br/>":"<br>"}del(e){return`<del>${e}</del>`}link(e,t,n){if(null===(e=Qb(this.options.sanitize,this.options.baseUrl,e)))return n;let r='<a href="'+Xb(e)+'"';return t&&(r+=' title="'+t+'"'),r+=">"+n+"</a>",r}image(e,t,n){if(null===(e=Qb(this.options.sanitize,this.options.baseUrl,e)))return n;let r=`<img src="${e}" alt="${n}"`;return t&&(r+=` title="${t}"`),r+=this.options.xhtml?"/>":">",r}text(e){return e}}class y_{strong(e){return e}em(e){return e}codespan(e){return e}del(e){return e}html(e){return e}text(e){return e}link(e,t,n){return""+n}image(e,t,n){return""+n}br(){return""}}class x_{constructor(){this.seen={}}serialize(e){return e.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}getNextSafeSlug(e,t){let n=e,r=0;if(this.seen.hasOwnProperty(n)){r=this.seen[e];do{r++,n=e+"-"+r}while(this.seen.hasOwnProperty(n))}return t||(this.seen[e]=r,this.seen[n]=0),n}slug(e,t={}){const n=this.serialize(e);return this.getNextSafeSlug(n,t.dryrun)}}class b_{constructor(e){this.options=e||Fb,this.options.renderer=this.options.renderer||new v_,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new y_,this.slugger=new x_}static parse(e,t){return new b_(t).parse(e)}static parseInline(e,t){return new b_(t).parseInline(e)}parse(e,t=!0){let n,r,i,o,a,s,l,u,c,d,h,f,p,m,g,v,y,x,b,_="";const w=e.length;for(n=0;n<w;n++)if(d=e[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[d.type]&&(b=this.options.extensions.renderers[d.type].call({parser:this},d),!1!==b||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(d.type)))_+=b||"";else switch(d.type){case"space":continue;case"hr":_+=this.renderer.hr();continue;case"heading":_+=this.renderer.heading(this.parseInline(d.tokens),d.depth,qb(this.parseInline(d.tokens,this.textRenderer)),this.slugger);continue;case"code":_+=this.renderer.code(d.text,d.lang,d.escaped);continue;case"table":for(u="",l="",o=d.header.length,r=0;r<o;r++)l+=this.renderer.tablecell(this.parseInline(d.header[r].tokens),{header:!0,align:d.align[r]});for(u+=this.renderer.tablerow(l),c="",o=d.rows.length,r=0;r<o;r++){for(s=d.rows[r],l="",a=s.length,i=0;i<a;i++)l+=this.renderer.tablecell(this.parseInline(s[i].tokens),{header:!1,align:d.align[i]});c+=this.renderer.tablerow(l)}_+=this.renderer.table(u,c);continue;case"blockquote":c=this.parse(d.tokens),_+=this.renderer.blockquote(c);continue;case"list":for(h=d.ordered,f=d.start,p=d.loose,o=d.items.length,c="",r=0;r<o;r++)g=d.items[r],v=g.checked,y=g.task,m="",g.task&&(x=this.renderer.checkbox(v),p?g.tokens.length>0&&"paragraph"===g.tokens[0].type?(g.tokens[0].text=x+" "+g.tokens[0].text,g.tokens[0].tokens&&g.tokens[0].tokens.length>0&&"text"===g.tokens[0].tokens[0].type&&(g.tokens[0].tokens[0].text=x+" "+g.tokens[0].tokens[0].text)):g.tokens.unshift({type:"text",text:x}):m+=x),m+=this.parse(g.tokens,p),c+=this.renderer.listitem(m,y,v);_+=this.renderer.list(c,h,f);continue;case"html":_+=this.renderer.html(d.text);continue;case"paragraph":_+=this.renderer.paragraph(this.parseInline(d.tokens));continue;case"text":for(c=d.tokens?this.parseInline(d.tokens):d.text;n+1<w&&"text"===e[n+1].type;)d=e[++n],c+="\n"+(d.tokens?this.parseInline(d.tokens):d.text);_+=t?this.renderer.paragraph(c):c;continue;default:{const e='Token with "'+d.type+'" type was not found.';if(this.options.silent)return void console.error(e);throw new Error(e)}}return _}parseInline(e,t){t=t||this.renderer;let n,r,i,o="";const a=e.length;for(n=0;n<a;n++)if(r=e[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[r.type]&&(i=this.options.extensions.renderers[r.type].call({parser:this},r),!1!==i||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(r.type)))o+=i||"";else switch(r.type){case"escape":case"text":o+=t.text(r.text);break;case"html":o+=t.html(r.text);break;case"link":o+=t.link(r.href,r.title,this.parseInline(r.tokens,t));break;case"image":o+=t.image(r.href,r.title,r.text);break;case"strong":o+=t.strong(this.parseInline(r.tokens,t));break;case"em":o+=t.em(this.parseInline(r.tokens,t));break;case"codespan":o+=t.codespan(r.text);break;case"br":o+=t.br();break;case"del":o+=t.del(this.parseInline(r.tokens,t));break;default:{const e='Token with "'+r.type+'" type was not found.';if(this.options.silent)return void console.error(e);throw new Error(e)}}return o}}function __(e,t,n){if(null==e)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof e)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(e)+", string expected");if("function"==typeof t&&(n=t,t=null),l_(t=o_({},__.defaults,t||{})),n){const r=t.highlight;let i;try{i=g_.lex(e,t)}catch(e){return n(e)}const o=function(e){let o;if(!e)try{t.walkTokens&&__.walkTokens(i,t.walkTokens),o=b_.parse(i,t)}catch(t){e=t}return t.highlight=r,e?n(e):n(null,o)};if(!r||r.length<3)return o();if(delete t.highlight,!i.length)return o();let a=0;return __.walkTokens(i,(function(e){"code"===e.type&&(a++,setTimeout((()=>{r(e.text,e.lang,(function(t,n){if(t)return o(t);null!=n&&n!==e.text&&(e.text=n,e.escaped=!0),a--,0===a&&o()}))}),0))})),void(0===a&&o())}function r(e){if(e.message+="\nPlease report this to https://github.com/markedjs/marked.",t.silent)return"<p>An error occurred:</p><pre>"+Xb(e.message+"",!0)+"</pre>";throw e}try{const n=g_.lex(e,t);if(t.walkTokens){if(t.async)return 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he(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function fe(e,t){return t.r=e.r,t.g=e.g,t.b=e.b,t}class pe{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t="srgb"){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,se.toWorkingColorSpace(this,t),this}setRGB(e,t,n,r="srgb-linear"){return this.r=e,this.g=t,this.b=n,se.toWorkingColorSpace(this,r),this}setHSL(e,t,n,r="srgb-linear"){if(e=X(e,1),t=W(t,0,1),n=W(n,0,1),0===t)this.r=this.g=this.b=n;else{const r=n<=.5?n*(1+t):n+t-n*t,i=2*n-r;this.r=he(i,r,e+1/3),this.g=he(i,r,e),this.b=he(i,r,e-1/3)}return se.toWorkingColorSpace(this,r),this}setStyle(e,t="srgb"){function n(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let r;if(r=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let e;const i=r[1],o=r[2];switch(i){case"rgb":case"rgba":if(e=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(255,parseInt(e[1],10))/255,this.g=Math.min(255,parseInt(e[2],10))/255,this.b=Math.min(255,parseInt(e[3],10))/255,se.toWorkingColorSpace(this,t),n(e[4]),this;if(e=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(100,parseInt(e[1],10))/100,this.g=Math.min(100,parseInt(e[2],10))/100,this.b=Math.min(100,parseInt(e[3],10))/100,se.toWorkingColorSpace(this,t),n(e[4]),this;break;case"hsl":case"hsla":if(e=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o)){const r=parseFloat(e[1])/360,i=parseFloat(e[2])/100,o=parseFloat(e[3])/100;return n(e[4]),this.setHSL(r,i,o,t)}}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){const e=r[1],n=e.length;if(3===n)return this.r=parseInt(e.charAt(0)+e.charAt(0),16)/255,this.g=parseInt(e.charAt(1)+e.charAt(1),16)/255,this.b=parseInt(e.charAt(2)+e.charAt(2),16)/255,se.toWorkingColorSpace(this,t),this;if(6===n)return this.r=parseInt(e.charAt(0)+e.charAt(1),16)/255,this.g=parseInt(e.charAt(2)+e.charAt(3),16)/255,this.b=parseInt(e.charAt(4)+e.charAt(5),16)/255,se.toWorkingColorSpace(this,t),this}return e&&e.length>0?this.setColorName(e,t):this}setColorName(e,t="srgb"){const n=le[e.toLowerCase()];return void 0!==n?this.setHex(n,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=ie(e.r),this.g=ie(e.g),this.b=ie(e.b),this}copyLinearToSRGB(e){return this.r=oe(e.r),this.g=oe(e.g),this.b=oe(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e="srgb"){return se.fromWorkingColorSpace(fe(this,ue),e),W(255*ue.r,0,255)<<16^W(255*ue.g,0,255)<<8^W(255*ue.b,0,255)<<0}getHexString(e="srgb"){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t="srgb-linear"){se.fromWorkingColorSpace(fe(this,ue),t);const n=ue.r,r=ue.g,i=ue.b,o=Math.max(n,r,i),a=Math.min(n,r,i);let s,l;const u=(a+o)/2;if(a===o)s=0,l=0;else{const e=o-a;switch(l=u<=.5?e/(o+a):e/(2-o-a),o){case n:s=(r-i)/e+(r<i?6:0);break;case r:s=(i-n)/e+2;break;case i:s=(n-r)/e+4}s/=6}return e.h=s,e.s=l,e.l=u,e}getRGB(e,t="srgb-linear"){return se.fromWorkingColorSpace(fe(this,ue),t),e.r=ue.r,e.g=ue.g,e.b=ue.b,e}getStyle(e="srgb"){return se.fromWorkingColorSpace(fe(this,ue),e),e!==I?`color(${e} ${ue.r} ${ue.g} ${ue.b})`:`rgb(${255*ue.r|0},${255*ue.g|0},${255*ue.b|0})`}offsetHSL(e,t,n){return this.getHSL(ce),ce.h+=e,ce.s+=t,ce.l+=n,this.setHSL(ce.h,ce.s,ce.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(ce),e.getHSL(de);const n=$(ce.h,de.h,t),r=$(ce.s,de.s,t),i=$(ce.l,de.l,t);return this.setHSL(n,r,i),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}let me;pe.NAMES=le;class ge{static getDataURL(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===me&&(me=re("canvas")),me.width=e.width,me.height=e.height;const n=me.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=me}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){const t=re("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const r=n.getImageData(0,0,e.width,e.height),i=r.data;for(let e=0;e<i.length;e++)i[e]=255*ie(i[e]/255);return n.putImageData(r,0,0),t}if(e.data){const t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*ie(t[e]/255)):t[e]=ie(t[e]);return{data:t,width:e.width,height:e.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}class ve{constructor(e=null){this.isSource=!0,this.uuid=G(),this.data=e,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];const n={uuid:this.uuid,url:""},r=this.data;if(null!==r){let e;if(Array.isArray(r)){e=[];for(let t=0,n=r.length;t<n;t++)r[t].isDataTexture?e.push(ye(r[t].image)):e.push(ye(r[t]))}else e=ye(r);n.url=e}return t||(e.images[this.uuid]=n),n}}function ye(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?ge.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let xe=0;class be extends F{constructor(e=be.DEFAULT_IMAGE,t=be.DEFAULT_MAPPING,n=1001,r=1001,i=1006,o=1008,a=1023,s=1009,l=1,u=3e3){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:xe++}),this.uuid=G(),this.name="",this.source=new ve(e),this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=r,this.magFilter=i,this.minFilter=o,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=s,this.offset=new ee(0,0),this.repeat=new ee(1,1),this.center=new ee(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new te,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(e){this.source.data=e}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(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,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,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case l:e.x=e.x-Math.floor(e.x);break;case u:e.x=e.x<0?0:1;break;case c:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case l:e.y=e.y-Math.floor(e.y);break;case u:e.y=e.y<0?0:1;break;case c:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}}be.DEFAULT_IMAGE=null,be.DEFAULT_MAPPING=300;class _e{constructor(e=0,t=0,n=0,r=1){_e.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,r){return this.x=e,this.y=t,this.z=n,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){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: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=this.w,o=e.elements;return this.x=o[0]*t+o[4]*n+o[8]*r+o[12]*i,this.y=o[1]*t+o[5]*n+o[9]*r+o[13]*i,this.z=o[2]*t+o[6]*n+o[10]*r+o[14]*i,this.w=o[3]*t+o[7]*n+o[11]*r+o[15]*i,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,r,i;const o=.01,a=.1,s=e.elements,l=s[0],u=s[4],c=s[8],d=s[1],h=s[5],f=s[9],p=s[2],m=s[6],g=s[10];if(Math.abs(u-d)<o&&Math.abs(c-p)<o&&Math.abs(f-m)<o){if(Math.abs(u+d)<a&&Math.abs(c+p)<a&&Math.abs(f+m)<a&&Math.abs(l+h+g-3)<a)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,s=(h+1)/2,v=(g+1)/2,y=(u+d)/4,x=(c+p)/4,b=(f+m)/4;return e>s&&e>v?e<o?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(e),r=y/n,i=x/n):s>v?s<o?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=y/r,i=b/r):v<o?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(v),n=x/i,r=b/i),this.set(n,r,i,t),this}let v=Math.sqrt((m-f)*(m-f)+(c-p)*(c-p)+(d-u)*(d-u));return Math.abs(v)<.001&&(v=1),this.x=(m-f)/v,this.y=(c-p)/v,this.z=(d-u)/v,this.w=Math.acos((l+h+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class we extends F{constructor(e=1,t=1,n={}){super(),this.isWebGLRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new _e(0,0,e,t),this.scissorTest=!1,this.viewport=new _e(0,0,e,t);const r={width:e,height:t,depth:1};this.texture=new be(r,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:p,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new ve(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Se extends be{constructor(e=null,t=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=d,this.minFilter=d,this.wrapR=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Me extends be{constructor(e=null,t=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=d,this.minFilter=d,this.wrapR=u,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Ee{constructor(e=0,t=0,n=0,r=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=r}static slerpFlat(e,t,n,r,i,o,a){let s=n[r+0],l=n[r+1],u=n[r+2],c=n[r+3];const d=i[o+0],h=i[o+1],f=i[o+2],p=i[o+3];if(0===a)return e[t+0]=s,e[t+1]=l,e[t+2]=u,void(e[t+3]=c);if(1===a)return e[t+0]=d,e[t+1]=h,e[t+2]=f,void(e[t+3]=p);if(c!==p||s!==d||l!==h||u!==f){let e=1-a;const t=s*d+l*h+u*f+c*p,n=t>=0?1:-1,r=1-t*t;if(r>Number.EPSILON){const i=Math.sqrt(r),o=Math.atan2(i,t*n);e=Math.sin(e*o)/i,a=Math.sin(a*o)/i}const i=a*n;if(s=s*e+d*i,l=l*e+h*i,u=u*e+f*i,c=c*e+p*i,e===1-a){const e=1/Math.sqrt(s*s+l*l+u*u+c*c);s*=e,l*=e,u*=e,c*=e}}e[t]=s,e[t+1]=l,e[t+2]=u,e[t+3]=c}static multiplyQuaternionsFlat(e,t,n,r,i,o){const a=n[r],s=n[r+1],l=n[r+2],u=n[r+3],c=i[o],d=i[o+1],h=i[o+2],f=i[o+3];return e[t]=a*f+u*c+s*h-l*d,e[t+1]=s*f+u*d+l*c-a*h,e[t+2]=l*f+u*h+a*d-s*c,e[t+3]=u*f-a*c-s*d-l*h,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){const n=e._x,r=e._y,i=e._z,o=e._order,a=Math.cos,s=Math.sin,l=a(n/2),u=a(r/2),c=a(i/2),d=s(n/2),h=s(r/2),f=s(i/2);switch(o){case"XYZ":this._x=d*u*c+l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c-d*h*f;break;case"YXZ":this._x=d*u*c+l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c+d*h*f;break;case"ZXY":this._x=d*u*c-l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c-d*h*f;break;case"ZYX":this._x=d*u*c-l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c+d*h*f;break;case"YZX":this._x=d*u*c+l*h*f,this._y=l*h*c+d*u*f,this._z=l*u*f-d*h*c,this._w=l*u*c-d*h*f;break;case"XZY":this._x=d*u*c-l*h*f,this._y=l*h*c-d*u*f,this._z=l*u*f+d*h*c,this._w=l*u*c+d*h*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,r=Math.sin(n);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],r=t[4],i=t[8],o=t[1],a=t[5],s=t[9],l=t[2],u=t[6],c=t[10],d=n+a+c;if(d>0){const e=.5/Math.sqrt(d+1);this._w=.25/e,this._x=(u-s)*e,this._y=(i-l)*e,this._z=(o-r)*e}else if(n>a&&n>c){const e=2*Math.sqrt(1+n-a-c);this._w=(u-s)/e,this._x=.25*e,this._y=(r+o)/e,this._z=(i+l)/e}else if(a>c){const e=2*Math.sqrt(1+a-n-c);this._w=(i-l)/e,this._x=(r+o)/e,this._y=.25*e,this._z=(s+u)/e}else{const e=2*Math.sqrt(1+c-n-a);this._w=(o-r)/e,this._x=(i+l)/e,this._y=(s+u)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(W(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const r=Math.min(1,t/n);return this.slerp(e,r),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(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._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 e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const n=e._x,r=e._y,i=e._z,o=e._w,a=t._x,s=t._y,l=t._z,u=t._w;return this._x=n*u+o*a+r*l-i*s,this._y=r*u+o*s+i*a-n*l,this._z=i*u+o*l+n*s-r*a,this._w=o*u-n*a-r*s-i*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,r=this._y,i=this._z,o=this._w;let a=o*e._w+n*e._x+r*e._y+i*e._z;if(a<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,a=-a):this.copy(e),a>=1)return this._w=o,this._x=n,this._y=r,this._z=i,this;const s=1-a*a;if(s<=Number.EPSILON){const e=1-t;return this._w=e*o+t*this._w,this._x=e*n+t*this._x,this._y=e*r+t*this._y,this._z=e*i+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),u=Math.atan2(l,a),c=Math.sin((1-t)*u)/l,d=Math.sin(t*u)/l;return this._w=o*c+this._w*d,this._x=n*c+this._x*d,this._y=r*c+this._y*d,this._z=i*c+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),r=2*Math.PI*Math.random(),i=2*Math.PI*Math.random();return this.set(t*Math.cos(r),n*Math.sin(i),n*Math.cos(i),t*Math.sin(r))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Te{constructor(e=0,t=0,n=0){Te.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Ae.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Ae.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6]*r,this.y=i[1]*t+i[4]*n+i[7]*r,this.z=i[2]*t+i[5]*n+i[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,i=e.elements,o=1/(i[3]*t+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*t+i[4]*n+i[8]*r+i[12])*o,this.y=(i[1]*t+i[5]*n+i[9]*r+i[13])*o,this.z=(i[2]*t+i[6]*n+i[10]*r+i[14])*o,this}applyQuaternion(e){const t=this.x,n=this.y,r=this.z,i=e.x,o=e.y,a=e.z,s=e.w,l=s*t+o*r-a*n,u=s*n+a*t-i*r,c=s*r+i*n-o*t,d=-i*t-o*n-a*r;return this.x=l*s+d*-i+u*-a-c*-o,this.y=u*s+d*-o+c*-i-l*-a,this.z=c*s+d*-a+l*-o-u*-i,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[4]*n+i[8]*r,this.y=i[1]*t+i[5]*n+i[9]*r,this.z=i[2]*t+i[6]*n+i[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,r=e.y,i=e.z,o=t.x,a=t.y,s=t.z;return this.x=r*s-i*a,this.y=i*o-n*s,this.z=n*a-r*o,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Ce.copy(this).projectOnVector(e),this.sub(Ce)}reflect(e){return this.sub(Ce.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(W(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=2*(Math.random()-.5),t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ce=new Te,Ae=new Ee;class ke{constructor(e=new Te(1/0,1/0,1/0),t=new Te(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,n=1/0,r=1/0,i=-1/0,o=-1/0,a=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],u=e[s+1],c=e[s+2];l<t&&(t=l),u<n&&(n=u),c<r&&(r=c),l>i&&(i=l),u>o&&(o=u),c>a&&(a=c)}return this.min.set(t,n,r),this.max.set(i,o,a),this}setFromBufferAttribute(e){let t=1/0,n=1/0,r=1/0,i=-1/0,o=-1/0,a=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),u=e.getY(s),c=e.getZ(s);l<t&&(t=l),u<n&&(n=u),c<r&&(r=c),l>i&&(i=l),u>o&&(o=u),c>a&&(a=c)}return this.min.set(t,n,r),this.max.set(i,o,a),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=Re.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);const n=e.geometry;if(void 0!==n)if(t&&null!=n.attributes&&void 0!==n.attributes.position){const t=n.attributes.position;for(let n=0,r=t.count;n<r;n++)Re.fromBufferAttribute(t,n).applyMatrix4(e.matrixWorld),this.expandByPoint(Re)}else null===n.boundingBox&&n.computeBoundingBox(),Le.copy(n.boundingBox),Le.applyMatrix4(e.matrixWorld),this.union(Le);const r=e.children;for(let e=0,n=r.length;e<n;e++)this.expandByObject(r[e],t);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,Re),Re.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Fe),Be.subVectors(this.max,Fe),Ie.subVectors(e.a,Fe),Ne.subVectors(e.b,Fe),Oe.subVectors(e.c,Fe),De.subVectors(Ne,Ie),ze.subVectors(Oe,Ne),Ue.subVectors(Ie,Oe);let t=[0,-De.z,De.y,0,-ze.z,ze.y,0,-Ue.z,Ue.y,De.z,0,-De.x,ze.z,0,-ze.x,Ue.z,0,-Ue.x,-De.y,De.x,0,-ze.y,ze.x,0,-Ue.y,Ue.x,0];return!!je(t,Ie,Ne,Oe,Be)&&(t=[1,0,0,0,1,0,0,0,1],!!je(t,Ie,Ne,Oe,Be)&&(He.crossVectors(De,ze),t=[He.x,He.y,He.z],je(t,Ie,Ne,Oe,Be)))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return Re.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=.5*this.getSize(Re).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(Pe[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Pe[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Pe[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Pe[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Pe[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Pe[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Pe[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Pe[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Pe)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Pe=[new Te,new Te,new Te,new Te,new Te,new Te,new Te,new Te],Re=new Te,Le=new ke,Ie=new Te,Ne=new Te,Oe=new Te,De=new Te,ze=new Te,Ue=new Te,Fe=new Te,Be=new Te,He=new Te,Ve=new Te;function je(e,t,n,r,i){for(let o=0,a=e.length-3;o<=a;o+=3){Ve.fromArray(e,o);const a=i.x*Math.abs(Ve.x)+i.y*Math.abs(Ve.y)+i.z*Math.abs(Ve.z),s=t.dot(Ve),l=n.dot(Ve),u=r.dot(Ve);if(Math.max(-Math.max(s,l,u),Math.min(s,l,u))>a)return!1}return!0}const Ge=new ke,We=new Te,Xe=new Te;class $e{constructor(e=new Te,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):Ge.setFromPoints(e).getCenter(n);let r=0;for(let t=0,i=e.length;t<i;t++)r=Math.max(r,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;We.subVectors(e,this.center);const t=We.lengthSq();if(t>this.radius*this.radius){const e=Math.sqrt(t),n=.5*(e-this.radius);this.center.addScaledVector(We,n/e),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(Xe.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(We.copy(e.center).add(Xe)),this.expandByPoint(We.copy(e.center).sub(Xe))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const qe=new Te,Ye=new Te,Ze=new Te,Ke=new Te,Je=new Te,Qe=new Te,et=new Te;class tt{constructor(e=new Te,t=new Te(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,qe)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=qe.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(qe.copy(this.direction).multiplyScalar(t).add(this.origin),qe.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){Ye.copy(e).add(t).multiplyScalar(.5),Ze.copy(t).sub(e).normalize(),Ke.copy(this.origin).sub(Ye);const i=.5*e.distanceTo(t),o=-this.direction.dot(Ze),a=Ke.dot(this.direction),s=-Ke.dot(Ze),l=Ke.lengthSq(),u=Math.abs(1-o*o);let c,d,h,f;if(u>0)if(c=o*s-a,d=o*a-s,f=i*u,c>=0)if(d>=-f)if(d<=f){const e=1/u;c*=e,d*=e,h=c*(c+o*d+2*a)+d*(o*c+d+2*s)+l}else d=i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;else d=-i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;else d<=-f?(c=Math.max(0,-(-o*i+a)),d=c>0?-i:Math.min(Math.max(-i,-s),i),h=-c*c+d*(d+2*s)+l):d<=f?(c=0,d=Math.min(Math.max(-i,-s),i),h=d*(d+2*s)+l):(c=Math.max(0,-(o*i+a)),d=c>0?i:Math.min(Math.max(-i,-s),i),h=-c*c+d*(d+2*s)+l);else d=o>0?-i:i,c=Math.max(0,-(o*d+a)),h=-c*c+d*(d+2*s)+l;return n&&n.copy(this.direction).multiplyScalar(c).add(this.origin),r&&r.copy(Ze).multiplyScalar(d).add(Ye),h}intersectSphere(e,t){qe.subVectors(e.center,this.origin);const n=qe.dot(this.direction),r=qe.dot(qe)-n*n,i=e.radius*e.radius;if(r>i)return null;const o=Math.sqrt(i-r),a=n-o,s=n+o;return a<0&&s<0?null:a<0?this.at(s,t):this.at(a,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,o,a,s;const l=1/this.direction.x,u=1/this.direction.y,c=1/this.direction.z,d=this.origin;return l>=0?(n=(e.min.x-d.x)*l,r=(e.max.x-d.x)*l):(n=(e.max.x-d.x)*l,r=(e.min.x-d.x)*l),u>=0?(i=(e.min.y-d.y)*u,o=(e.max.y-d.y)*u):(i=(e.max.y-d.y)*u,o=(e.min.y-d.y)*u),n>o||i>r?null:((i>n||isNaN(n))&&(n=i),(o<r||isNaN(r))&&(r=o),c>=0?(a=(e.min.z-d.z)*c,s=(e.max.z-d.z)*c):(a=(e.max.z-d.z)*c,s=(e.min.z-d.z)*c),n>s||a>r?null:((a>n||n!=n)&&(n=a),(s<r||r!=r)&&(r=s),r<0?null:this.at(n>=0?n:r,t)))}intersectsBox(e){return null!==this.intersectBox(e,qe)}intersectTriangle(e,t,n,r,i){Je.subVectors(t,e),Qe.subVectors(n,e),et.crossVectors(Je,Qe);let o,a=this.direction.dot(et);if(a>0){if(r)return null;o=1}else{if(!(a<0))return null;o=-1,a=-a}Ke.subVectors(this.origin,e);const s=o*this.direction.dot(Qe.crossVectors(Ke,Qe));if(s<0)return null;const l=o*this.direction.dot(Je.cross(Ke));if(l<0)return null;if(s+l>a)return null;const u=-o*Ke.dot(et);return u<0?null:this.at(u/a,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class nt{constructor(){nt.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set(e,t,n,r,i,o,a,s,l,u,c,d,h,f,p,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=r,g[1]=i,g[5]=o,g[9]=a,g[13]=s,g[2]=l,g[6]=u,g[10]=c,g[14]=d,g[3]=h,g[7]=f,g[11]=p,g[15]=m,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 nt).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,r=1/rt.setFromMatrixColumn(e,0).length(),i=1/rt.setFromMatrixColumn(e,1).length(),o=1/rt.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*o,t[9]=n[9]*o,t[10]=n[10]*o,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,n=e.x,r=e.y,i=e.z,o=Math.cos(n),a=Math.sin(n),s=Math.cos(r),l=Math.sin(r),u=Math.cos(i),c=Math.sin(i);if("XYZ"===e.order){const e=o*u,n=o*c,r=a*u,i=a*c;t[0]=s*u,t[4]=-s*c,t[8]=l,t[1]=n+r*l,t[5]=e-i*l,t[9]=-a*s,t[2]=i-e*l,t[6]=r+n*l,t[10]=o*s}else if("YXZ"===e.order){const e=s*u,n=s*c,r=l*u,i=l*c;t[0]=e+i*a,t[4]=r*a-n,t[8]=o*l,t[1]=o*c,t[5]=o*u,t[9]=-a,t[2]=n*a-r,t[6]=i+e*a,t[10]=o*s}else if("ZXY"===e.order){const e=s*u,n=s*c,r=l*u,i=l*c;t[0]=e-i*a,t[4]=-o*c,t[8]=r+n*a,t[1]=n+r*a,t[5]=o*u,t[9]=i-e*a,t[2]=-o*l,t[6]=a,t[10]=o*s}else if("ZYX"===e.order){const e=o*u,n=o*c,r=a*u,i=a*c;t[0]=s*u,t[4]=r*l-n,t[8]=e*l+i,t[1]=s*c,t[5]=i*l+e,t[9]=n*l-r,t[2]=-l,t[6]=a*s,t[10]=o*s}else if("YZX"===e.order){const e=o*s,n=o*l,r=a*s,i=a*l;t[0]=s*u,t[4]=i-e*c,t[8]=r*c+n,t[1]=c,t[5]=o*u,t[9]=-a*u,t[2]=-l*u,t[6]=n*c+r,t[10]=e-i*c}else if("XZY"===e.order){const e=o*s,n=o*l,r=a*s,i=a*l;t[0]=s*u,t[4]=-c,t[8]=l*u,t[1]=e*c+i,t[5]=o*u,t[9]=n*c-r,t[2]=r*c-n,t[6]=a*u,t[10]=i*c+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(ot,e,at)}lookAt(e,t,n){const r=this.elements;return ut.subVectors(e,t),0===ut.lengthSq()&&(ut.z=1),ut.normalize(),st.crossVectors(n,ut),0===st.lengthSq()&&(1===Math.abs(n.z)?ut.x+=1e-4:ut.z+=1e-4,ut.normalize(),st.crossVectors(n,ut)),st.normalize(),lt.crossVectors(ut,st),r[0]=st.x,r[4]=lt.x,r[8]=ut.x,r[1]=st.y,r[5]=lt.y,r[9]=ut.y,r[2]=st.z,r[6]=lt.z,r[10]=ut.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,i=this.elements,o=n[0],a=n[4],s=n[8],l=n[12],u=n[1],c=n[5],d=n[9],h=n[13],f=n[2],p=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],_=r[0],w=r[4],S=r[8],M=r[12],E=r[1],T=r[5],C=r[9],A=r[13],k=r[2],P=r[6],R=r[10],L=r[14],I=r[3],N=r[7],O=r[11],D=r[15];return i[0]=o*_+a*E+s*k+l*I,i[4]=o*w+a*T+s*P+l*N,i[8]=o*S+a*C+s*R+l*O,i[12]=o*M+a*A+s*L+l*D,i[1]=u*_+c*E+d*k+h*I,i[5]=u*w+c*T+d*P+h*N,i[9]=u*S+c*C+d*R+h*O,i[13]=u*M+c*A+d*L+h*D,i[2]=f*_+p*E+m*k+g*I,i[6]=f*w+p*T+m*P+g*N,i[10]=f*S+p*C+m*R+g*O,i[14]=f*M+p*A+m*L+g*D,i[3]=v*_+y*E+x*k+b*I,i[7]=v*w+y*T+x*P+b*N,i[11]=v*S+y*C+x*R+b*O,i[15]=v*M+y*A+x*L+b*D,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],o=e[1],a=e[5],s=e[9],l=e[13],u=e[2],c=e[6],d=e[10],h=e[14];return e[3]*(+i*s*c-r*l*c-i*a*d+n*l*d+r*a*h-n*s*h)+e[7]*(+t*s*h-t*l*d+i*o*d-r*o*h+r*l*u-i*s*u)+e[11]*(+t*l*c-t*a*h-i*o*c+n*o*h+i*a*u-n*l*u)+e[15]*(-r*a*u-t*s*c+t*a*d+r*o*c-n*o*d+n*s*u)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],o=e[4],a=e[5],s=e[6],l=e[7],u=e[8],c=e[9],d=e[10],h=e[11],f=e[12],p=e[13],m=e[14],g=e[15],v=c*m*l-p*d*l+p*s*h-a*m*h-c*s*g+a*d*g,y=f*d*l-u*m*l-f*s*h+o*m*h+u*s*g-o*d*g,x=u*p*l-f*c*l+f*a*h-o*p*h-u*a*g+o*c*g,b=f*c*s-u*p*s-f*a*d+o*p*d+u*a*m-o*c*m,_=t*v+n*y+r*x+i*b;if(0===_)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/_;return e[0]=v*w,e[1]=(p*d*i-c*m*i-p*r*h+n*m*h+c*r*g-n*d*g)*w,e[2]=(a*m*i-p*s*i+p*r*l-n*m*l-a*r*g+n*s*g)*w,e[3]=(c*s*i-a*d*i-c*r*l+n*d*l+a*r*h-n*s*h)*w,e[4]=y*w,e[5]=(u*m*i-f*d*i+f*r*h-t*m*h-u*r*g+t*d*g)*w,e[6]=(f*s*i-o*m*i-f*r*l+t*m*l+o*r*g-t*s*g)*w,e[7]=(o*d*i-u*s*i+u*r*l-t*d*l-o*r*h+t*s*h)*w,e[8]=x*w,e[9]=(f*c*i-u*p*i-f*n*h+t*p*h+u*n*g-t*c*g)*w,e[10]=(o*p*i-f*a*i+f*n*l-t*p*l-o*n*g+t*a*g)*w,e[11]=(u*a*i-o*c*i-u*n*l+t*c*l+o*n*h-t*a*h)*w,e[12]=b*w,e[13]=(u*p*r-f*c*r+f*n*d-t*p*d-u*n*m+t*c*m)*w,e[14]=(f*a*r-o*p*r-f*n*s+t*p*s+o*n*m-t*a*m)*w,e[15]=(o*c*r-u*a*r+u*n*s-t*c*s-o*n*d+t*a*d)*w,this}scale(e){const t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}makeTranslation(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),r=Math.sin(t),i=1-n,o=e.x,a=e.y,s=e.z,l=i*o,u=i*a;return this.set(l*o+n,l*a-r*s,l*s+r*a,0,l*a+r*s,u*a+n,u*s-r*o,0,l*s-r*a,u*s+r*o,i*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,r,i,o){return this.set(1,n,i,0,e,1,o,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){const r=this.elements,i=t._x,o=t._y,a=t._z,s=t._w,l=i+i,u=o+o,c=a+a,d=i*l,h=i*u,f=i*c,p=o*u,m=o*c,g=a*c,v=s*l,y=s*u,x=s*c,b=n.x,_=n.y,w=n.z;return r[0]=(1-(p+g))*b,r[1]=(h+x)*b,r[2]=(f-y)*b,r[3]=0,r[4]=(h-x)*_,r[5]=(1-(d+g))*_,r[6]=(m+v)*_,r[7]=0,r[8]=(f+y)*w,r[9]=(m-v)*w,r[10]=(1-(d+p))*w,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){const r=this.elements;let i=rt.set(r[0],r[1],r[2]).length();const o=rt.set(r[4],r[5],r[6]).length(),a=rt.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),e.x=r[12],e.y=r[13],e.z=r[14],it.copy(this);const s=1/i,l=1/o,u=1/a;return it.elements[0]*=s,it.elements[1]*=s,it.elements[2]*=s,it.elements[4]*=l,it.elements[5]*=l,it.elements[6]*=l,it.elements[8]*=u,it.elements[9]*=u,it.elements[10]*=u,t.setFromRotationMatrix(it),n.x=i,n.y=o,n.z=a,this}makePerspective(e,t,n,r,i,o){const a=this.elements,s=2*i/(t-e),l=2*i/(n-r),u=(t+e)/(t-e),c=(n+r)/(n-r),d=-(o+i)/(o-i),h=-2*o*i/(o-i);return a[0]=s,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]=h,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(e,t,n,r,i,o){const a=this.elements,s=1/(t-e),l=1/(n-r),u=1/(o-i),c=(t+e)*s,d=(n+r)*l,h=(o+i)*u;return a[0]=2*s,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]=-2*u,a[14]=-h,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}const rt=new Te,it=new nt,ot=new Te(0,0,0),at=new Te(1,1,1),st=new Te,lt=new Te,ut=new Te,ct=new nt,dt=new Ee;class ht{constructor(e=0,t=0,n=0,r=ht.DefaultOrder){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,r=this._order){return this._x=e,this._y=t,this._z=n,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){const r=e.elements,i=r[0],o=r[4],a=r[8],s=r[1],l=r[5],u=r[9],c=r[2],d=r[6],h=r[10];switch(t){case"XYZ":this._y=Math.asin(W(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-u,h),this._z=Math.atan2(-o,i)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-W(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(a,h),this._z=Math.atan2(s,l)):(this._y=Math.atan2(-c,i),this._z=0);break;case"ZXY":this._x=Math.asin(W(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-c,h),this._z=Math.atan2(-o,l)):(this._y=0,this._z=Math.atan2(s,i));break;case"ZYX":this._y=Math.asin(-W(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(d,h),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-o,l));break;case"YZX":this._z=Math.asin(W(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-u,l),this._y=Math.atan2(-c,i)):(this._x=0,this._y=Math.atan2(a,h));break;case"XZY":this._z=Math.asin(-W(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(a,i)):(this._x=Math.atan2(-u,h),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!0===n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return ct.makeRotationFromQuaternion(e),this.setFromRotationMatrix(ct,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return dt.setFromEuler(this),this.setFromQuaternion(dt,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}toVector3(){console.error("THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead")}}ht.DefaultOrder="XYZ",ht.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class ft{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}isEnabled(e){return 0!=(this.mask&(1<<e|0))}}let pt=0;const mt=new Te,gt=new Ee,vt=new nt,yt=new Te,xt=new Te,bt=new Te,_t=new Ee,wt=new Te(1,0,0),St=new Te(0,1,0),Mt=new Te(0,0,1),Et={type:"added"},Tt={type:"removed"};class Ct extends F{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:pt++}),this.uuid=G(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ct.DefaultUp.clone();const e=new Te,t=new ht,n=new Ee,r=new Te(1,1,1);t._onChange((function(){n.setFromEuler(t,!1)})),n._onChange((function(){t.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new nt},normalMatrix:{value:new te}}),this.matrix=new nt,this.matrixWorld=new nt,this.matrixAutoUpdate=Ct.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=Ct.DefaultMatrixWorldAutoUpdate,this.layers=new ft,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return gt.setFromAxisAngle(e,t),this.quaternion.multiply(gt),this}rotateOnWorldAxis(e,t){return gt.setFromAxisAngle(e,t),this.quaternion.premultiply(gt),this}rotateX(e){return this.rotateOnAxis(wt,e)}rotateY(e){return this.rotateOnAxis(St,e)}rotateZ(e){return this.rotateOnAxis(Mt,e)}translateOnAxis(e,t){return mt.copy(e).applyQuaternion(this.quaternion),this.position.add(mt.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(wt,e)}translateY(e){return this.translateOnAxis(St,e)}translateZ(e){return this.translateOnAxis(Mt,e)}localToWorld(e){return e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return e.applyMatrix4(vt.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?yt.copy(e):yt.set(e,t,n);const r=this.parent;this.updateWorldMatrix(!0,!1),xt.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?vt.lookAt(xt,yt,this.up):vt.lookAt(yt,xt,this.up),this.quaternion.setFromRotationMatrix(vt),r&&(vt.extractRotation(r.matrixWorld),gt.setFromRotationMatrix(vt),this.quaternion.premultiply(gt.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Et)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Tt)),this}removeFromParent(){const e=this.parent;return null!==e&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(Tt)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),vt.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),vt.multiply(e.parent.matrixWorld)),e.applyMatrix4(vt),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,r=this.children.length;n<r;n++){const r=this.children[n].getObjectByProperty(e,t);if(void 0!==r)return r}}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xt,e,bt),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(xt,_t,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)}traverseAncestors(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,r=t.length;n<r;n++){const r=t[n];!0!==r.matrixWorldAutoUpdate&&!0!==e||r.updateMatrixWorld(e)}}updateWorldMatrix(e,t){const n=this.parent;if(!0===e&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,n=e.length;t<n;t++){const n=e[t];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(e){const t=void 0===e||"string"==typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const r={};function i(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),!0===this.castShadow&&(r.castShadow=!0),!0===this.receiveShadow&&(r.receiveShadow=!0),!1===this.visible&&(r.visible=!1),!1===this.frustumCulled&&(r.frustumCulled=!1),0!==this.renderOrder&&(r.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(r.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(r.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=i(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,r=n.length;t<r;t++){const r=n[t];i(e.shapes,r)}else i(e.shapes,n)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,r=this.material.length;n<r;n++)t.push(i(e.materials,this.material[n]));r.material=t}else r.material=i(e.materials,this.material);if(this.children.length>0){r.children=[];for(let t=0;t<this.children.length;t++)r.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];r.animations.push(i(e.animations,n))}}if(t){const t=o(e.geometries),r=o(e.materials),i=o(e.textures),a=o(e.images),s=o(e.shapes),l=o(e.skeletons),u=o(e.animations),c=o(e.nodes);t.length>0&&(n.geometries=t),r.length>0&&(n.materials=r),i.length>0&&(n.textures=i),a.length>0&&(n.images=a),s.length>0&&(n.shapes=s),l.length>0&&(n.skeletons=l),u.length>0&&(n.animations=u),c.length>0&&(n.nodes=c)}return n.object=r,n;function o(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}}clone(e){return(new this.constructor).copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}}Ct.DefaultUp=new Te(0,1,0),Ct.DefaultMatrixAutoUpdate=!0,Ct.DefaultMatrixWorldAutoUpdate=!0;const At=new Te,kt=new Te,Pt=new Te,Rt=new Te,Lt=new Te,It=new Te,Nt=new Te,Ot=new Te,Dt=new Te,zt=new Te;class Ut{constructor(e=new Te,t=new Te,n=new Te){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),At.subVectors(e,t),r.cross(At);const i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){At.subVectors(r,t),kt.subVectors(n,t),Pt.subVectors(e,t);const o=At.dot(At),a=At.dot(kt),s=At.dot(Pt),l=kt.dot(kt),u=kt.dot(Pt),c=o*l-a*a;if(0===c)return i.set(-2,-1,-1);const d=1/c,h=(l*s-a*u)*d,f=(o*u-a*s)*d;return i.set(1-h-f,f,h)}static containsPoint(e,t,n,r){return this.getBarycoord(e,t,n,r,Rt),Rt.x>=0&&Rt.y>=0&&Rt.x+Rt.y<=1}static getUV(e,t,n,r,i,o,a,s){return this.getBarycoord(e,t,n,r,Rt),s.set(0,0),s.addScaledVector(i,Rt.x),s.addScaledVector(o,Rt.y),s.addScaledVector(a,Rt.z),s}static isFrontFacing(e,t,n,r){return At.subVectors(n,t),kt.subVectors(e,t),At.cross(kt).dot(r)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,r){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[r]),this}setFromAttributeAndIndices(e,t,n,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,r),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return At.subVectors(this.c,this.b),kt.subVectors(this.a,this.b),.5*At.cross(kt).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Ut.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Ut.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,r,i){return Ut.getUV(e,this.a,this.b,this.c,t,n,r,i)}containsPoint(e){return Ut.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Ut.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const n=this.a,r=this.b,i=this.c;let o,a;Lt.subVectors(r,n),It.subVectors(i,n),Ot.subVectors(e,n);const s=Lt.dot(Ot),l=It.dot(Ot);if(s<=0&&l<=0)return t.copy(n);Dt.subVectors(e,r);const u=Lt.dot(Dt),c=It.dot(Dt);if(u>=0&&c<=u)return t.copy(r);const d=s*c-u*l;if(d<=0&&s>=0&&u<=0)return o=s/(s-u),t.copy(n).addScaledVector(Lt,o);zt.subVectors(e,i);const h=Lt.dot(zt),f=It.dot(zt);if(f>=0&&h<=f)return t.copy(i);const p=h*l-s*f;if(p<=0&&l>=0&&f<=0)return a=l/(l-f),t.copy(n).addScaledVector(It,a);const m=u*f-h*c;if(m<=0&&c-u>=0&&h-f>=0)return Nt.subVectors(i,r),a=(c-u)/(c-u+(h-f)),t.copy(r).addScaledVector(Nt,a);const g=1/(m+p+d);return o=p*g,a=d*g,t.copy(n).addScaledVector(Lt,o).addScaledVector(It,a)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let Ft=0;class Bt extends F{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Ft++}),this.uuid=G(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=i,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=O,this.stencilZFail=O,this.stencilZPass=O,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(void 0!==e)for(const t in e){const n=e[t];if(void 0===n){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}const r=this[t];void 0!==r?r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(e){const t=[];for(const n in e){const r=e[n];delete r.metadata,t.push(r)}return t}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()),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(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),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(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(n.combine=this.combine)),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(e).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).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),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,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.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),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=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){const t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}return n}clone(){return(new this.constructor).copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){!0===e&&this.version++}}class Ht extends Bt{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new pe(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.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(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}const Vt=new Te,jt=new ee;class Gt{constructor(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=D,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let r=0,i=this.itemSize;r<i;r++)this.array[e+r]=t.array[n+r];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,n=this.count;t<n;t++)jt.fromBufferAttribute(this,t),jt.applyMatrix3(e),this.setXY(t,jt.x,jt.y);else if(3===this.itemSize)for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyMatrix3(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyMatrix4(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.applyNormalMatrix(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Vt.fromBufferAttribute(this,t),Vt.transformDirection(e),this.setXYZ(t,Vt.x,Vt.y,Vt.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=K(t,this.array)),t}setX(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=K(t,this.array)),t}setY(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=K(t,this.array)),t}setZ(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=K(t,this.array)),t}setW(e,t){return this.normalized&&(t=J(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array)),this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,r){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e*=this.itemSize,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array),i=J(i,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this.array[e+3]=i,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==D&&(e.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(e.updateRange=this.updateRange),e}copyColorsArray(){console.error("THREE.BufferAttribute: copyColorsArray() was removed in r144.")}copyVector2sArray(){console.error("THREE.BufferAttribute: copyVector2sArray() was removed in r144.")}copyVector3sArray(){console.error("THREE.BufferAttribute: copyVector3sArray() was removed in r144.")}copyVector4sArray(){console.error("THREE.BufferAttribute: copyVector4sArray() was removed in r144.")}}class Wt extends Gt{constructor(e,t,n){super(new Uint16Array(e),t,n)}}class Xt extends Gt{constructor(e,t,n){super(new Uint32Array(e),t,n)}}class $t extends Gt{constructor(e,t,n){super(new Float32Array(e),t,n)}}let qt=0;const Yt=new nt,Zt=new Ct,Kt=new Te,Jt=new ke,Qt=new ke,en=new Te;class tn extends F{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:qt++}),this.uuid=G(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(ne(e)?Xt:Wt)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new te).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(e){return Yt.makeRotationFromQuaternion(e),this.applyMatrix4(Yt),this}rotateX(e){return Yt.makeRotationX(e),this.applyMatrix4(Yt),this}rotateY(e){return Yt.makeRotationY(e),this.applyMatrix4(Yt),this}rotateZ(e){return Yt.makeRotationZ(e),this.applyMatrix4(Yt),this}translate(e,t,n){return Yt.makeTranslation(e,t,n),this.applyMatrix4(Yt),this}scale(e,t,n){return Yt.makeScale(e,t,n),this.applyMatrix4(Yt),this}lookAt(e){return Zt.lookAt(e),Zt.updateMatrix(),this.applyMatrix4(Zt.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Kt).negate(),this.translate(Kt.x,Kt.y,Kt.z),this}setFromPoints(e){const t=[];for(let n=0,r=e.length;n<r;n++){const r=e[n];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new $t(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ke);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Te(-1/0,-1/0,-1/0),new Te(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];Jt.setFromBufferAttribute(n),this.morphTargetsRelative?(en.addVectors(this.boundingBox.min,Jt.min),this.boundingBox.expandByPoint(en),en.addVectors(this.boundingBox.max,Jt.max),this.boundingBox.expandByPoint(en)):(this.boundingBox.expandByPoint(Jt.min),this.boundingBox.expandByPoint(Jt.max))}}else this.boundingBox.makeEmpty();(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(){null===this.boundingSphere&&(this.boundingSphere=new $e);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Te,1/0);if(e){const n=this.boundingSphere.center;if(Jt.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const n=t[e];Qt.setFromBufferAttribute(n),this.morphTargetsRelative?(en.addVectors(Jt.min,Qt.min),Jt.expandByPoint(en),en.addVectors(Jt.max,Qt.max),Jt.expandByPoint(en)):(Jt.expandByPoint(Qt.min),Jt.expandByPoint(Qt.max))}Jt.getCenter(n);let r=0;for(let t=0,i=e.count;t<i;t++)en.fromBufferAttribute(e,t),r=Math.max(r,n.distanceToSquared(en));if(t)for(let i=0,o=t.length;i<o;i++){const o=t[i],a=this.morphTargetsRelative;for(let t=0,i=o.count;t<i;t++)en.fromBufferAttribute(o,t),a&&(Kt.fromBufferAttribute(e,t),en.add(Kt)),r=Math.max(r,n.distanceToSquared(en))}this.boundingSphere.radius=Math.sqrt(r),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 e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,r=t.position.array,i=t.normal.array,o=t.uv.array,a=r.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Gt(new Float32Array(4*a),4));const s=this.getAttribute("tangent").array,l=[],u=[];for(let e=0;e<a;e++)l[e]=new Te,u[e]=new Te;const c=new Te,d=new Te,h=new Te,f=new ee,p=new ee,m=new ee,g=new Te,v=new Te;function y(e,t,n){c.fromArray(r,3*e),d.fromArray(r,3*t),h.fromArray(r,3*n),f.fromArray(o,2*e),p.fromArray(o,2*t),m.fromArray(o,2*n),d.sub(c),h.sub(c),p.sub(f),m.sub(f);const i=1/(p.x*m.y-m.x*p.y);isFinite(i)&&(g.copy(d).multiplyScalar(m.y).addScaledVector(h,-p.y).multiplyScalar(i),v.copy(h).multiplyScalar(p.x).addScaledVector(d,-m.x).multiplyScalar(i),l[e].add(g),l[t].add(g),l[n].add(g),u[e].add(v),u[t].add(v),u[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let e=0,t=x.length;e<t;++e){const t=x[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)y(n[e+0],n[e+1],n[e+2])}const b=new Te,_=new Te,w=new Te,S=new Te;function M(e){w.fromArray(i,3*e),S.copy(w);const t=l[e];b.copy(t),b.sub(w.multiplyScalar(w.dot(t))).normalize(),_.crossVectors(S,t);const n=_.dot(u[e])<0?-1:1;s[4*e]=b.x,s[4*e+1]=b.y,s[4*e+2]=b.z,s[4*e+3]=n}for(let e=0,t=x.length;e<t;++e){const t=x[e],r=t.start;for(let e=r,i=r+t.count;e<i;e+=3)M(n[e+0]),M(n[e+1]),M(n[e+2])}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new Gt(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const r=new Te,i=new Te,o=new Te,a=new Te,s=new Te,l=new Te,u=new Te,c=new Te;if(e)for(let d=0,h=e.count;d<h;d+=3){const h=e.getX(d+0),f=e.getX(d+1),p=e.getX(d+2);r.fromBufferAttribute(t,h),i.fromBufferAttribute(t,f),o.fromBufferAttribute(t,p),u.subVectors(o,i),c.subVectors(r,i),u.cross(c),a.fromBufferAttribute(n,h),s.fromBufferAttribute(n,f),l.fromBufferAttribute(n,p),a.add(u),s.add(u),l.add(u),n.setXYZ(h,a.x,a.y,a.z),n.setXYZ(f,s.x,s.y,s.z),n.setXYZ(p,l.x,l.y,l.z)}else for(let e=0,a=t.count;e<a;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),o.fromBufferAttribute(t,e+2),u.subVectors(o,i),c.subVectors(r,i),u.cross(c),n.setXYZ(e+0,u.x,u.y,u.z),n.setXYZ(e+1,u.x,u.y,u.z),n.setXYZ(e+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(){return console.error("THREE.BufferGeometry.merge() has been removed. Use THREE.BufferGeometryUtils.mergeBufferGeometries() instead."),this}normalizeNormals(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)en.fromBufferAttribute(e,t),en.normalize(),e.setXYZ(t,en.x,en.y,en.z)}toNonIndexed(){function e(e,t){const n=e.array,r=e.itemSize,i=e.normalized,o=new n.constructor(t.length*r);let a=0,s=0;for(let i=0,l=t.length;i<l;i++){a=e.isInterleavedBufferAttribute?t[i]*e.data.stride+e.offset:t[i]*r;for(let e=0;e<r;e++)o[s++]=n[a++]}return new Gt(o,r,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new tn,n=this.index.array,r=this.attributes;for(const i in r){const o=e(r[i],n);t.setAttribute(i,o)}const i=this.morphAttributes;for(const r in i){const o=[],a=i[r];for(let t=0,r=a.length;t<r;t++){const r=e(a[t],n);o.push(r)}t.morphAttributes[r]=o}t.morphTargetsRelative=this.morphTargetsRelative;const o=this.groups;for(let e=0,n=o.length;e<n;e++){const n=o[e];t.addGroup(n.start,n.count,n.materialIndex)}return t}toJSON(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const r=n[t];e.data.attributes[t]=r.toJSON(e.data)}const r={};let i=!1;for(const t in this.morphAttributes){const n=this.morphAttributes[t],o=[];for(let t=0,r=n.length;t<r;t++){const r=n[t];o.push(r.toJSON(e.data))}o.length>0&&(r[t]=o,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const o=this.groups;o.length>0&&(e.data.groups=JSON.parse(JSON.stringify(o)));const a=this.boundingSphere;return null!==a&&(e.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),e}clone(){return(new this.constructor).copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const r=e.attributes;for(const e in r){const n=r[e];this.setAttribute(e,n.clone(t))}const i=e.morphAttributes;for(const e in i){const n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const o=e.groups;for(let e=0,t=o.length;e<t;e++){const t=o[e];this.addGroup(t.start,t.count,t.materialIndex)}const a=e.boundingBox;null!==a&&(this.boundingBox=a.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,void 0!==e.parameters&&(this.parameters=Object.assign({},e.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}}const nn=new nt,rn=new tt,on=new $e,an=new Te,sn=new Te,ln=new Te,un=new Te,cn=new Te,dn=new Te,hn=new Te,fn=new Te,pn=new Te,mn=new ee,gn=new ee,vn=new ee,yn=new Te,xn=new Te;class bn extends Ct{constructor(e=new tn,t=new Ht){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}raycast(e,t){const n=this.geometry,r=this.material,i=this.matrixWorld;if(void 0===r)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),on.copy(n.boundingSphere),on.applyMatrix4(i),!1===e.ray.intersectsSphere(on))return;if(nn.copy(i).invert(),rn.copy(e.ray).applyMatrix4(nn),null!==n.boundingBox&&!1===rn.intersectsBox(n.boundingBox))return;let o;const a=n.index,s=n.attributes.position,l=n.morphAttributes.position,u=n.morphTargetsRelative,c=n.attributes.uv,d=n.attributes.uv2,h=n.groups,f=n.drawRange;if(null!==a)if(Array.isArray(r))for(let n=0,i=h.length;n<i;n++){const i=h[n],p=r[i.materialIndex];for(let n=Math.max(i.start,f.start),r=Math.min(a.count,Math.min(i.start+i.count,f.start+f.count));n<r;n+=3){const r=a.getX(n),h=a.getX(n+1),f=a.getX(n+2);o=_n(this,p,e,rn,s,l,u,c,d,r,h,f),o&&(o.faceIndex=Math.floor(n/3),o.face.materialIndex=i.materialIndex,t.push(o))}}else for(let n=Math.max(0,f.start),i=Math.min(a.count,f.start+f.count);n<i;n+=3){const i=a.getX(n),h=a.getX(n+1),f=a.getX(n+2);o=_n(this,r,e,rn,s,l,u,c,d,i,h,f),o&&(o.faceIndex=Math.floor(n/3),t.push(o))}else if(void 0!==s)if(Array.isArray(r))for(let n=0,i=h.length;n<i;n++){const i=h[n],a=r[i.materialIndex];for(let n=Math.max(i.start,f.start),r=Math.min(s.count,Math.min(i.start+i.count,f.start+f.count));n<r;n+=3)o=_n(this,a,e,rn,s,l,u,c,d,n,n+1,n+2),o&&(o.faceIndex=Math.floor(n/3),o.face.materialIndex=i.materialIndex,t.push(o))}else for(let n=Math.max(0,f.start),i=Math.min(s.count,f.start+f.count);n<i;n+=3)o=_n(this,r,e,rn,s,l,u,c,d,n,n+1,n+2),o&&(o.faceIndex=Math.floor(n/3),t.push(o))}}function _n(e,t,n,r,i,o,a,s,l,u,c,d){an.fromBufferAttribute(i,u),sn.fromBufferAttribute(i,c),ln.fromBufferAttribute(i,d);const h=e.morphTargetInfluences;if(o&&h){hn.set(0,0,0),fn.set(0,0,0),pn.set(0,0,0);for(let e=0,t=o.length;e<t;e++){const t=h[e],n=o[e];0!==t&&(un.fromBufferAttribute(n,u),cn.fromBufferAttribute(n,c),dn.fromBufferAttribute(n,d),a?(hn.addScaledVector(un,t),fn.addScaledVector(cn,t),pn.addScaledVector(dn,t)):(hn.addScaledVector(un.sub(an),t),fn.addScaledVector(cn.sub(sn),t),pn.addScaledVector(dn.sub(ln),t)))}an.add(hn),sn.add(fn),ln.add(pn)}e.isSkinnedMesh&&(e.boneTransform(u,an),e.boneTransform(c,sn),e.boneTransform(d,ln));const f=function(e,t,n,r,i,o,a,s){let l;if(l=1===t.side?r.intersectTriangle(a,o,i,!0,s):r.intersectTriangle(i,o,a,2!==t.side,s),null===l)return null;xn.copy(s),xn.applyMatrix4(e.matrixWorld);const u=n.ray.origin.distanceTo(xn);return u<n.near||u>n.far?null:{distance:u,point:xn.clone(),object:e}}(e,t,n,r,an,sn,ln,yn);if(f){s&&(mn.fromBufferAttribute(s,u),gn.fromBufferAttribute(s,c),vn.fromBufferAttribute(s,d),f.uv=Ut.getUV(yn,an,sn,ln,mn,gn,vn,new ee)),l&&(mn.fromBufferAttribute(l,u),gn.fromBufferAttribute(l,c),vn.fromBufferAttribute(l,d),f.uv2=Ut.getUV(yn,an,sn,ln,mn,gn,vn,new ee));const e={a:u,b:c,c:d,normal:new Te,materialIndex:0};Ut.getNormal(an,sn,ln,e.normal),f.face=e}return f}class wn extends tn{constructor(e=1,t=1,n=1,r=1,i=1,o=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:i,depthSegments:o};const a=this;r=Math.floor(r),i=Math.floor(i),o=Math.floor(o);const s=[],l=[],u=[],c=[];let d=0,h=0;function f(e,t,n,r,i,o,f,p,m,g,v){const y=o/m,x=f/g,b=o/2,_=f/2,w=p/2,S=m+1,M=g+1;let E=0,T=0;const C=new Te;for(let o=0;o<M;o++){const a=o*x-_;for(let s=0;s<S;s++){const d=s*y-b;C[e]=d*r,C[t]=a*i,C[n]=w,l.push(C.x,C.y,C.z),C[e]=0,C[t]=0,C[n]=p>0?1:-1,u.push(C.x,C.y,C.z),c.push(s/m),c.push(1-o/g),E+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const n=d+t+S*e,r=d+t+S*(e+1),i=d+(t+1)+S*(e+1),o=d+(t+1)+S*e;s.push(n,r,o),s.push(r,i,o),T+=6}a.addGroup(h,T,v),h+=T,d+=E}f("z","y","x",-1,-1,n,t,e,o,i,0),f("z","y","x",1,-1,n,t,-e,o,i,1),f("x","z","y",1,1,e,n,t,r,o,2),f("x","z","y",1,-1,e,n,-t,r,o,3),f("x","y","z",1,-1,e,t,n,r,i,4),f("x","y","z",-1,-1,e,t,-n,r,i,5),this.setIndex(s),this.setAttribute("position",new $t(l,3)),this.setAttribute("normal",new $t(u,3)),this.setAttribute("uv",new $t(c,2))}static fromJSON(e){return new wn(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function Sn(e){const t={};for(const n in e){t[n]={};for(const r in e[n]){const i=e[n][r];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?t[n][r]=i.clone():Array.isArray(i)?t[n][r]=i.slice():t[n][r]=i}}return t}function Mn(e){const t={};for(let n=0;n<e.length;n++){const r=Sn(e[n]);for(const e in r)t[e]=r[e]}return t}const En={clone:Sn,merge:Mn};class Tn extends Bt{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Sn(e.uniforms),this.uniformsGroups=function(e){const t=[];for(let n=0;n<e.length;n++)t.push(e[n].clone());return t}(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const n in this.uniforms){const r=this.uniforms[n].value;r&&r.isTexture?t.uniforms[n]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[n]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[n]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[n]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[n]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[n]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[n]={type:"m4",value:r.toArray()}:t.uniforms[n]={value:r}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const n={};for(const e in this.extensions)!0===this.extensions[e]&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class Cn extends Ct{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new nt,this.projectionMatrix=new nt,this.projectionMatrixInverse=new nt}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}class An extends Cn{constructor(e=50,t=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=2*j*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(.5*V*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*j*Math.atan(Math.tan(.5*V*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,r,i,o){this.aspect=e/t,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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(.5*V*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r;const o=this.view;if(null!==this.view&&this.view.enabled){const e=o.fullWidth,a=o.fullHeight;i+=o.offsetX*r/e,t-=o.offsetY*n/a,r*=o.width/e,n*=o.height/a}const a=this.filmOffset;0!==a&&(i+=e*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}const kn=90;class Pn extends Ct{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n;const r=new An(kn,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Te(1,0,0)),this.add(r);const i=new An(kn,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Te(-1,0,0)),this.add(i);const o=new An(kn,1,e,t);o.layers=this.layers,o.up.set(0,0,1),o.lookAt(new Te(0,1,0)),this.add(o);const a=new An(kn,1,e,t);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new Te(0,-1,0)),this.add(a);const s=new An(kn,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Te(0,0,1)),this.add(s);const l=new An(kn,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Te(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[r,i,o,a,s,l]=this.children,u=e.getRenderTarget(),c=e.toneMapping,d=e.xr.enabled;e.toneMapping=0,e.xr.enabled=!1;const h=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,r),e.setRenderTarget(n,1),e.render(t,i),e.setRenderTarget(n,2),e.render(t,o),e.setRenderTarget(n,3),e.render(t,a),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=h,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(u),e.toneMapping=c,e.xr.enabled=d,n.texture.needsPMREMUpdate=!0}}class Rn extends be{constructor(e,t,n,r,i,a,s,l,u,c){super(e=void 0!==e?e:[],t=void 0!==t?t:o,n,r,i,a,s,l,u,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class Ln extends we{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},r=[n,n,n,n,n,n];this.texture=new Rn(r,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:p}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={tEquirect:{value:null}},r="\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 <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",i="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\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",o=new wn(5,5,5),a=new Tn({name:"CubemapFromEquirect",uniforms:Sn(n),vertexShader:r,fragmentShader:i,side:1,blending:0});a.uniforms.tEquirect.value=t;const s=new bn(o,a),l=t.minFilter;return t.minFilter===m&&(t.minFilter=p),new Pn(1,10,this).update(e,s),t.minFilter=l,s.geometry.dispose(),s.material.dispose(),this}clear(e,t,n,r){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,n,r);e.setRenderTarget(i)}}const In=new Te,Nn=new Te,On=new te;class Dn{constructor(e=new Te(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const r=In.subVectors(n,t).cross(Nn.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){const n=e.delta(In),r=this.normal.dot(n);if(0===r)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;const i=-(e.start.dot(this.normal)+this.constant)/r;return i<0||i>1?null:t.copy(n).multiplyScalar(i).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||On.getNormalMatrix(e),r=this.coplanarPoint(In).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const zn=new $e,Un=new Te;class Fn{constructor(e=new Dn,t=new Dn,n=new Dn,r=new Dn,i=new Dn,o=new Dn){this.planes=[e,t,n,r,i,o]}set(e,t,n,r,i,o){const a=this.planes;return a[0].copy(e),a[1].copy(t),a[2].copy(n),a[3].copy(r),a[4].copy(i),a[5].copy(o),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e){const t=this.planes,n=e.elements,r=n[0],i=n[1],o=n[2],a=n[3],s=n[4],l=n[5],u=n[6],c=n[7],d=n[8],h=n[9],f=n[10],p=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(a-r,c-s,p-d,y-m).normalize(),t[1].setComponents(a+r,c+s,p+d,y+m).normalize(),t[2].setComponents(a+i,c+l,p+h,y+g).normalize(),t[3].setComponents(a-i,c-l,p-h,y-g).normalize(),t[4].setComponents(a-o,c-u,p-f,y-v).normalize(),t[5].setComponents(a+o,c+u,p+f,y+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),zn.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(zn)}intersectsSprite(e){return zn.center.set(0,0,0),zn.radius=.7071067811865476,zn.applyMatrix4(e.matrixWorld),this.intersectsSphere(zn)}intersectsSphere(e){const t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const r=t[n];if(Un.x=r.normal.x>0?e.max.x:e.min.x,Un.y=r.normal.y>0?e.max.y:e.min.y,Un.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(Un)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function Bn(){let e=null,t=!1,n=null,r=null;function i(t,o){n(t,o),r=e.requestAnimationFrame(i)}return{start:function(){!0!==t&&null!==n&&(r=e.requestAnimationFrame(i),t=!0)},stop:function(){e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Hn(e,t){const n=t.isWebGL2,r=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),r.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);const n=r.get(t);n&&(e.deleteBuffer(n.buffer),r.delete(t))},update:function(t,i){if(t.isGLBufferAttribute){const e=r.get(t);return void((!e||e.version<t.version)&&r.set(t,{buffer:t.buffer,type:t.type,bytesPerElement:t.elementSize,version:t.version}))}t.isInterleavedBufferAttribute&&(t=t.data);const o=r.get(t);void 0===o?r.set(t,function(t,r){const i=t.array,o=t.usage,a=e.createBuffer();let s;if(e.bindBuffer(r,a),e.bufferData(r,i,o),t.onUploadCallback(),i instanceof Float32Array)s=5126;else if(i instanceof Uint16Array)if(t.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");s=5131}else s=5123;else if(i instanceof Int16Array)s=5122;else if(i instanceof Uint32Array)s=5125;else if(i instanceof Int32Array)s=5124;else if(i instanceof Int8Array)s=5120;else if(i instanceof Uint8Array)s=5121;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);s=5121}return{buffer:a,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version}}(t,i)):o.version<t.version&&(function(t,r,i){const o=r.array,a=r.updateRange;e.bindBuffer(i,t),-1===a.count?e.bufferSubData(i,0,o):(n?e.bufferSubData(i,a.offset*o.BYTES_PER_ELEMENT,o,a.offset,a.count):e.bufferSubData(i,a.offset*o.BYTES_PER_ELEMENT,o.subarray(a.offset,a.offset+a.count)),a.count=-1)}(o.buffer,t,i),o.version=t.version)}}}class Vn extends tn{constructor(e=1,t=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:r};const i=e/2,o=t/2,a=Math.floor(n),s=Math.floor(r),l=a+1,u=s+1,c=e/a,d=t/s,h=[],f=[],p=[],m=[];for(let e=0;e<u;e++){const t=e*d-o;for(let n=0;n<l;n++){const r=n*c-i;f.push(r,-t,0),p.push(0,0,1),m.push(n/a),m.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<a;t++){const n=t+l*e,r=t+l*(e+1),i=t+1+l*(e+1),o=t+1+l*e;h.push(n,r,o),h.push(r,i,o)}this.setIndex(h),this.setAttribute("position",new $t(f,3)),this.setAttribute("normal",new $t(p,3)),this.setAttribute("uv",new $t(m,2))}static fromJSON(e){return new Vn(e.width,e.height,e.widthSegments,e.heightSegments)}}const jn={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 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}\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}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float 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\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#ifdef USE_IRIDESCENCE\n\tvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\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 = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );\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\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}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\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",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\t return vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat R21 = R12;\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\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 )\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 )\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",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};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\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}",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\tvec2 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_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\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_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 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, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( 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}",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, 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\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:"#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, 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#if defined( 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, 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#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_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",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 GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, 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 GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\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\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\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, const in GeometricContext geometry, 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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\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 GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\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 GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",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 GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, 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\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\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 SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\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, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).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_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).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_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\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};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\n\t#else\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, 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 GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, 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( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, 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:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\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, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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 *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, 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, geometry, 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\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\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 ], geometry.normal );\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, vUv2 );\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( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\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#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\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\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_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\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, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\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\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\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 = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).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( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\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 OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.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 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\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",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha + 0.1;\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 linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( 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 invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - 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_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, vUv );\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  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n  uniform 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 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 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 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 shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\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 shadow;\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 shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n  uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n  varying 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 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 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 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_SPOT_LIGHT_COORDS > 0 )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_COORDS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#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\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\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.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.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.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\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\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, vUv );\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 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}\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, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmission.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmission.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\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 framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\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 ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 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_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;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\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;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\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 <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\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 <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\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 <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\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, vUv2 );\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 <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\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 <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\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 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 SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\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_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\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 + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\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 <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\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 <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}"},Gn={common:{diffuse:{value:new pe(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new te},uv2Transform:{value:new te},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new ee(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new pe(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotLightMap:{value:[]},spotShadowMap:{value:[]},spotLightMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{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 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pe(0)}}]),vertexShader:jn.meshtoon_vert,fragmentShader:jn.meshtoon_frag},matcap:{uniforms:Mn([Gn.common,Gn.bumpmap,Gn.normalmap,Gn.displacementmap,Gn.fog,{matcap:{value:null}}]),vertexShader:jn.meshmatcap_vert,fragmentShader:jn.meshmatcap_frag},points:{uniforms:Mn([Gn.points,Gn.fog]),vertexShader:jn.points_vert,fragmentShader:jn.points_frag},dashed:{uniforms:Mn([Gn.common,Gn.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:jn.linedashed_vert,fragmentShader:jn.linedashed_frag},depth:{uniforms:Mn([Gn.common,Gn.displacementmap]),vertexShader:jn.depth_vert,fragmentShader:jn.depth_frag},normal:{uniforms:Mn([Gn.common,Gn.bumpmap,Gn.normalmap,Gn.displacementmap,{opacity:{value:1}}]),vertexShader:jn.meshnormal_vert,fragmentShader:jn.meshnormal_frag},sprite:{uniforms:Mn([Gn.sprite,Gn.fog]),vertexShader:jn.sprite_vert,fragmentShader:jn.sprite_frag},background:{uniforms:{uvTransform:{value:new te},t2D:{value:null}},vertexShader:jn.background_vert,fragmentShader:jn.background_frag},backgroundCube:{uniforms:{envMap:{value:null},flipEnvMap:{value:-1},backgroundBlurriness:{value:0}},vertexShader:jn.backgroundCube_vert,fragmentShader:jn.backgroundCube_frag},cube:{uniforms:{tCube:{value:null},tFlip:{value:-1},opacity:{value:1}},vertexShader:jn.cube_vert,fragmentShader:jn.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:jn.equirect_vert,fragmentShader:jn.equirect_frag},distanceRGBA:{uniforms:Mn([Gn.common,Gn.displacementmap,{referencePosition:{value:new Te},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:jn.distanceRGBA_vert,fragmentShader:jn.distanceRGBA_frag},shadow:{uniforms:Mn([Gn.lights,Gn.fog,{color:{value:new pe(0)},opacity:{value:1}}]),vertexShader:jn.shadow_vert,fragmentShader:jn.shadow_frag}};function Xn(e,t,n,r,i,o,a){const l=new pe(0);let u,c,d=!0===o?0:1,h=null,f=0,p=null;function m(e,t){r.buffers.color.setClear(e.r,e.g,e.b,t,a)}return{getClearColor:function(){return l},setClearColor:function(e,t=1){l.set(e),d=t,m(l,d)},getClearAlpha:function(){return d},setClearAlpha:function(e){d=e,m(l,d)},render:function(r,o){let a=!1,g=!0===o.isScene?o.background:null;g&&g.isTexture&&(g=(o.backgroundBlurriness>0?n:t).get(g));const v=e.xr,y=v.getSession&&v.getSession();y&&"additive"===y.environmentBlendMode&&(g=null),null===g?m(l,d):g&&g.isColor&&(m(g,1),a=!0),(e.autoClear||a)&&e.clear(e.autoClearColor,e.autoClearDepth,e.autoClearStencil),g&&(g.isCubeTexture||g.mapping===s)?(void 0===c&&(c=new bn(new wn(1,1,1),new 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if(l=t.get("ANGLE_instanced_arrays"),u="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[u](o,r,a,s),n.update(a,o,s)}}function Yn(e,t,n){let r;function i(t){if("highp"===t){if(e.getShaderPrecisionFormat(35633,36338).precision>0&&e.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(35633,36337).precision>0&&e.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const o="undefined"!=typeof WebGL2RenderingContext&&e instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&e instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const s=i(a);s!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",s,"instead."),a=s);const l=o||t.has("WEBGL_draw_buffers"),u=!0===n.logarithmicDepthBuffer,c=e.getParameter(34930),d=e.getParameter(35660),h=e.getParameter(3379),f=e.getParameter(34076),p=e.getParameter(34921),m=e.getParameter(36347),g=e.getParameter(36348),v=e.getParameter(36349),y=d>0,x=o||t.has("OES_texture_float");return{isWebGL2:o,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:i,precision:a,logarithmicDepthBuffer:u,maxTextures:c,maxVertexTextures:d,maxTextureSize:h,maxCubemapSize:f,maxAttributes:p,maxVertexUniforms:m,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:y,floatFragmentTextures:x,floatVertexTextures:y&&x,maxSamples:o?e.getParameter(36183):0}}function Zn(e){const t=this;let n=null,r=0,i=!1,o=!1;const a=new Dn,s=new te,l={value:null,needsUpdate:!1};function u(){l.value!==n&&(l.value=n,l.needsUpdate=r>0),t.numPlanes=r,t.numIntersection=0}function c(e,n,r,i){const o=null!==e?e.length:0;let u=null;if(0!==o){if(u=l.value,!0!==i||null===u){const t=r+4*o,i=n.matrixWorldInverse;s.getNormalMatrix(i),(null===u||u.length<t)&&(u=new Float32Array(t));for(let t=0,n=r;t!==o;++t,n+=4)a.copy(e[t]).applyMatrix4(i,s),a.normal.toArray(u,n),u[n+3]=a.constant}l.value=u,l.needsUpdate=!0}return t.numPlanes=o,t.numIntersection=0,u}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t,o){const a=0!==e.length||t||0!==r||i;return i=t,n=c(e,o,0),r=e.length,a},this.beginShadows=function(){o=!0,c(null)},this.endShadows=function(){o=!1,u()},this.setState=function(t,a,s){const d=t.clippingPlanes,h=t.clipIntersection,f=t.clipShadows,p=e.get(t);if(!i||null===d||0===d.length||o&&!f)o?c(null):u();else{const e=o?0:r,t=4*e;let i=p.clippingState||null;l.value=i,i=c(d,a,t,s);for(let 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Cn{constructor(e=-1,t=1,n=1,r=-1,i=.1,o=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=r,this.near=i,this.far=o,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,n,r,i,o){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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,r=(this.top+this.bottom)/2;let i=n-e,o=n+e,a=r+t,s=r-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;i+=e*this.view.offsetX,o=i+e*this.view.width,a-=t*this.view.offsetY,s=a-t*this.view.height}this.projectionMatrix.makeOrthographic(i,o,a,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}const Qn=[.125,.215,.35,.446,.526,.582],er=new Jn,tr=new pe;let nr=null;const rr=(1+Math.sqrt(5))/2,ir=1/rr,or=[new Te(1,1,1),new Te(-1,1,1),new Te(1,1,-1),new Te(-1,1,-1),new Te(0,rr,ir),new Te(0,rr,-ir),new Te(ir,0,rr),new Te(-ir,0,rr),new Te(rr,ir,0),new Te(-rr,ir,0)];class ar{constructor(e){this._renderer=e,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(e,t=0,n=.1,r=100){nr=this._renderer.getRenderTarget(),this._setSize(256);const i=this._allocateTargets();return i.depthBuffer=!0,this._sceneToCubeUV(e,n,r,i),t>0&&this._blur(i,0,0,t),this._applyPMREM(i),this._cleanup(i),i}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=cr(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ur(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(nr),e.scissorTest=!1,lr(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===o||e.mapping===a?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),nr=this._renderer.getRenderTarget();const n=t||this._allocateTargets();return this._textureToCubeUV(e,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,n={magFilter:p,minFilter:p,generateMipmaps:!1,type:x,format:_,encoding:R,depthBuffer:!1},r=sr(e,t,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=sr(e,t,n);const{_lodMax:r}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(e){const t=[],n=[],r=[];let i=e;const o=e-4+1+Qn.length;for(let a=0;a<o;a++){const o=Math.pow(2,i);n.push(o);let s=1/o;a>e-4?s=Qn[a-e+4-1]:0===a&&(s=0),r.push(s);const l=1/(o-2),u=-l,c=1+l,d=[u,u,c,u,c,c,u,u,c,c,u,c],h=6,f=6,p=3,m=2,g=1,v=new Float32Array(p*f*h),y=new Float32Array(m*f*h),x=new Float32Array(g*f*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,n=e>2?0:-1,r=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];v.set(r,p*f*e),y.set(d,m*f*e);const i=[e,e,e,e,e,e];x.set(i,g*f*e)}const b=new tn;b.setAttribute("position",new Gt(v,p)),b.setAttribute("uv",new Gt(y,m)),b.setAttribute("faceIndex",new Gt(x,g)),t.push(b),i>4&&i--}return{lodPlanes:t,sizeLods:n,sigmas:r}}(r)),this._blurMaterial=function(e,t,n){const r=new Float32Array(20),i=new Te(0,1,0);return new Tn({name:"SphericalGaussianBlur",defines:{n:20,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:r},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:i}},vertexShader:"\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",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 <cube_uv_reflection_fragment>\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})}(r,e,t)}return r}_compileMaterial(e){const t=new bn(this._lodPlanes[0],e);this._renderer.compile(t,er)}_sceneToCubeUV(e,t,n,r){const i=new An(90,1,t,n),o=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],s=this._renderer,l=s.autoClear,u=s.toneMapping;s.getClearColor(tr),s.toneMapping=0,s.autoClear=!1;const c=new Ht({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),d=new bn(new wn,c);let h=!1;const f=e.background;f?f.isColor&&(c.color.copy(f),e.background=null,h=!0):(c.color.copy(tr),h=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(i.up.set(0,o[t],0),i.lookAt(a[t],0,0)):1===n?(i.up.set(0,0,o[t]),i.lookAt(0,a[t],0)):(i.up.set(0,o[t],0),i.lookAt(0,0,a[t]));const l=this._cubeSize;lr(r,n*l,t>2?l:0,l,l),s.setRenderTarget(r),h&&s.render(d,i),s.render(e,i)}d.geometry.dispose(),d.material.dispose(),s.toneMapping=u,s.autoClear=l,e.background=f}_textureToCubeUV(e,t){const n=this._renderer,r=e.mapping===o||e.mapping===a;r?(null===this._cubemapMaterial&&(this._cubemapMaterial=cr()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=ur());const i=r?this._cubemapMaterial:this._equirectMaterial,s=new bn(this._lodPlanes[0],i);i.uniforms.envMap.value=e;const l=this._cubeSize;lr(t,0,0,3*l,2*l),n.setRenderTarget(t),n.render(s,er)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let t=1;t<this._lodPlanes.length;t++){const n=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),r=or[(t-1)%or.length];this._blur(e,t-1,t,n,r)}t.autoClear=n}_blur(e,t,n,r,i){const o=this._pingPongRenderTarget;this._halfBlur(e,o,t,n,r,"latitudinal",i),this._halfBlur(o,e,n,n,r,"longitudinal",i)}_halfBlur(e,t,n,r,i,o,a){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==o&&"longitudinal"!==o&&console.error("blur direction must be either latitudinal or longitudinal!");const u=new bn(this._lodPlanes[r],l),c=l.uniforms,d=this._sizeLods[n]-1,h=isFinite(i)?Math.PI/(2*d):2*Math.PI/39,f=i/h,p=isFinite(i)?1+Math.floor(3*f):20;p>20&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${p} samples when the maximum is set to 20`);const m=[];let g=0;for(let e=0;e<20;++e){const t=e/f,n=Math.exp(-t*t/2);m.push(n),0===e?g+=n:e<p&&(g+=2*n)}for(let e=0;e<m.length;e++)m[e]=m[e]/g;c.envMap.value=e.texture,c.samples.value=p,c.weights.value=m,c.latitudinal.value="latitudinal"===o,a&&(c.poleAxis.value=a);const{_lodMax:v}=this;c.dTheta.value=h,c.mipInt.value=v-n;const y=this._sizeLods[r];lr(t,3*y*(r>v-4?r-v+4:0),4*(this._cubeSize-y),3*y,2*y),s.setRenderTarget(t),s.render(u,er)}}function sr(e,t,n){const r=new we(e,t,n);return r.texture.mapping=s,r.texture.name="PMREM.cubeUv",r.scissorTest=!0,r}function lr(e,t,n,r,i){e.viewport.set(t,n,r,i),e.scissor.set(t,n,r,i)}function ur(){return new Tn({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:"\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",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 <common>\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 cr(){return new Tn({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:"\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",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 dr(e){let t=new WeakMap,n=null;function r(e){const n=e.target;n.removeEventListener("dispose",r);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}return{get:function(i){if(i&&i.isTexture){const s=i.mapping,l=303===s||304===s,u=s===o||s===a;if(l||u){if(i.isRenderTargetTexture&&!0===i.needsPMREMUpdate){i.needsPMREMUpdate=!1;let r=t.get(i);return null===n&&(n=new ar(e)),r=l?n.fromEquirectangular(i,r):n.fromCubemap(i,r),t.set(i,r),r.texture}if(t.has(i))return t.get(i).texture;{const o=i.image;if(l&&o&&o.height>0||u&&o&&function(e){let t=0;for(let n=0;n<6;n++)void 0!==e[n]&&t++;return 6===t}(o)){null===n&&(n=new ar(e));const o=l?n.fromEquirectangular(i):n.fromCubemap(i);return t.set(i,o),i.addEventListener("dispose",r),o.texture}return null}}}return i},dispose:function(){t=new WeakMap,null!==n&&(n.dispose(),n=null)}}}function hr(e){const t={};function n(n){if(void 0!==t[n])return t[n];let r;switch(n){case"WEBGL_depth_texture":r=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":r=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":r=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":r=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:r=e.getExtension(n)}return t[n]=r,r}return{has:function(e){return null!==n(e)},init:function(e){e.isWebGL2?n("EXT_color_buffer_float"):(n("WEBGL_depth_texture"),n("OES_texture_float"),n("OES_texture_half_float"),n("OES_texture_half_float_linear"),n("OES_standard_derivatives"),n("OES_element_index_uint"),n("OES_vertex_array_object"),n("ANGLE_instanced_arrays")),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture")},get:function(e){const t=n(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function fr(e,t,n,r){const i={},o=new WeakMap;function a(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",a),delete i[s.id];const l=o.get(s);l&&(t.remove(l),o.delete(s)),r.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,n.memory.geometries--}function s(e){const n=[],r=e.index,i=e.attributes.position;let a=0;if(null!==r){const 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I=e.getRenderTarget(),N=o.alphaTest>0,O=o.clearcoat>0,D=o.iridescence>0;return{isWebGL2:d,shaderID:S,shaderName:o.type,vertexShader:T,fragmentShader:C,defines:o.defines,customVertexShaderID:A,customFragmentShaderID:k,isRawShaderMaterial:!0===o.isRawShaderMaterial,glslVersion:o.glslVersion,precision:p,instancing:!0===v.isInstancedMesh,instancingColor:!0===v.isInstancedMesh&&null!==v.instanceColor,supportsVertexTextures:f,outputEncoding:null===I?e.outputEncoding:!0===I.isXRRenderTarget?I.texture.encoding:R,map:!!o.map,matcap:!!o.matcap,envMap:!!_,envMapMode:_&&_.mapping,envMapCubeUVHeight:w,lightMap:!!o.lightMap,aoMap:!!o.aoMap,emissiveMap:!!o.emissiveMap,bumpMap:!!o.bumpMap,normalMap:!!o.normalMap,objectSpaceNormalMap:1===o.normalMapType,tangentSpaceNormalMap:0===o.normalMapType,decodeVideoTexture:!!o.map&&!0===o.map.isVideoTexture&&o.map.encoding===L,clearcoat:O,clearcoatMap:O&&!!o.clearcoatMap,clearcoatRoughnessMap:O&&!!o.clearcoatRoughnessMap,clearcoatNormalMap:O&&!!o.clearcoatNormalMap,iridescence:D,iridescenceMap:D&&!!o.iridescenceMap,iridescenceThicknessMap:D&&!!o.iridescenceThicknessMap,displacementMap:!!o.displacementMap,roughnessMap:!!o.roughnessMap,metalnessMap:!!o.metalnessMap,specularMap:!!o.specularMap,specularIntensityMap:!!o.specularIntensityMap,specularColorMap:!!o.specularColorMap,opaque:!1===o.transparent&&1===o.blending,alphaMap:!!o.alphaMap,alphaTest:N,gradientMap:!!o.gradientMap,sheen:o.sheen>0,sheenColorMap:!!o.sheenColorMap,sheenRoughnessMap:!!o.sheenRoughnessMap,transmission:o.transmission>0,transmissionMap:!!o.transmissionMap,thicknessMap:!!o.thicknessMap,combine:o.combine,vertexTangents:!!o.normalMap&&!!x.attributes.tangent,vertexColors:o.vertexColors,vertexAlphas:!0===o.vertexColors&&!!x.attributes.color&&4===x.attributes.color.itemSize,vertexUvs:!!(o.map||o.bumpMap||o.normalMap||o.specularMap||o.alphaMap||o.emissiveMap||o.roughnessMap||o.metalnessMap||o.clearcoatMap||o.clearcoatRoughnessMap||o.clearcoatNormalMap||o.iridescenceMap||o.iridescenceThicknessMap||o.displacementMap||o.transmissionMap||o.thicknessMap||o.specularIntensityMap||o.specularColorMap||o.sheenColorMap||o.sheenRoughnessMap),uvsVertexOnly:!(o.map||o.bumpMap||o.normalMap||o.specularMap||o.alphaMap||o.emissiveMap||o.roughnessMap||o.metalnessMap||o.clearcoatNormalMap||o.iridescenceMap||o.iridescenceThicknessMap||o.transmission>0||o.transmissionMap||o.thicknessMap||o.specularIntensityMap||o.specularColorMap||o.sheen>0||o.sheenColorMap||o.sheenRoughnessMap||!o.displacementMap),fog:!!y,useFog:!0===o.fog,fogExp2:y&&y.isFogExp2,flatShading:!!o.flatShading,sizeAttenuation:o.sizeAttenuation,logarithmicDepthBuffer:h,skinning:!0===v.isSkinnedMesh,morphTargets:void 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n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.customVertexShaderID),n.push(t.customFragmentShaderID)),void 0!==t.defines)for(const e in 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t=m[e.type];let n;if(t){const e=Wn[t];n=En.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let r;for(let e=0,t=c.length;e<t;e++){const t=c[e];if(t.cacheKey===n){r=t,++r.usedTimes;break}}return void 0===r&&(r=new Fi(e,n,t,o),c.push(r)),r},releaseProgram:function(e){if(0==--e.usedTimes){const t=c.indexOf(e);c[t]=c[c.length-1],c.pop(),e.destroy()}},releaseShaderCache:function(e){u.remove(e)},programs:c,dispose:function(){u.dispose()}}}function Gi(){let e=new WeakMap;return{get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,r){e.get(t)[n]=r},dispose:function(){e=new WeakMap}}}function Wi(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function Xi(e,t){return 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t=e[n];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t){n.length>1&&n.sort(e||Wi),r.length>1&&r.sort(t||Xi),i.length>1&&i.sort(t||Xi)}}}function qi(){let e=new WeakMap;return{get:function(t,n){const r=e.get(t);let i;return void 0===r?(i=new $i,e.set(t,[i])):n>=r.length?(i=new $i,r.push(i)):i=r[n],i},dispose:function(){e=new WeakMap}}}function Yi(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new Te,color:new pe};break;case"SpotLight":n={position:new Te,direction:new Te,color:new pe,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Te,color:new pe,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Te,skyColor:new pe,groundColor:new pe};break;case"RectAreaLight":n={color:new pe,position:new Te,halfWidth:new Te,halfHeight:new Te}}return e[t.id]=n,n}}}let Zi=0;function Ki(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function Ji(e,t){const n=new Yi,r=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ee};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ee,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.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},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};for(let e=0;e<9;e++)i.probe.push(new Te);const o=new Te,a=new nt,s=new nt;return{setup:function(o,a){let s=0,l=0,u=0;for(let e=0;e<9;e++)i.probe[e].set(0,0,0);let c=0,d=0,h=0,f=0,p=0,m=0,g=0,v=0,y=0,x=0;o.sort(Ki);const b=!0!==a?Math.PI:1;for(let e=0,t=o.length;e<t;e++){const t=o[e],a=t.color,_=t.intensity,w=t.distance,S=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)s+=a.r*_*b,l+=a.g*_*b,u+=a.b*_*b;else if(t.isLightProbe)for(let e=0;e<9;e++)i.probe[e].addScaledVector(t.sh.coefficients[e],_);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*b),t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,i.directionalShadow[c]=n,i.directionalShadowMap[c]=S,i.directionalShadowMatrix[c]=t.shadow.matrix,m++}i.directional[c]=e,c++}else if(t.isSpotLight){const e=n.get(t);e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(a).multiplyScalar(_*b),e.distance=w,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,i.spot[h]=e;const o=t.shadow;if(t.map&&(i.spotLightMap[y]=t.map,y++,o.updateMatrices(t),t.castShadow&&x++),i.spotLightMatrix[h]=o.matrix,t.castShadow){const e=r.get(t);e.shadowBias=o.bias,e.shadowNormalBias=o.normalBias,e.shadowRadius=o.radius,e.shadowMapSize=o.mapSize,i.spotShadow[h]=e,i.spotShadowMap[h]=S,v++}h++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(a).multiplyScalar(_),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),i.rectArea[f]=e,f++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*b),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=r.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,i.pointShadow[d]=n,i.pointShadowMap[d]=S,i.pointShadowMatrix[d]=t.shadow.matrix,g++}i.point[d]=e,d++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(_*b),e.groundColor.copy(t.groundColor).multiplyScalar(_*b),i.hemi[p]=e,p++}}f>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(i.rectAreaLTC1=Gn.LTC_FLOAT_1,i.rectAreaLTC2=Gn.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(i.rectAreaLTC1=Gn.LTC_HALF_1,i.rectAreaLTC2=Gn.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. 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super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}class no extends Bt{constructor(e){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.referencePosition=new Te,this.nearDistance=1,this.farDistance=1e3,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function ro(e,t,n){let r=new Fn;const i=new ee,o=new ee,a=new _e,s=new to({depthPacking:3201}),l=new no,u={},c=n.maxTextureSize,h={0:1,1:0,2:2},f=new Tn({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new ee},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 <packing>\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}"}),p=f.clone();p.defines.HORIZONTAL_PASS=1;const m=new tn;m.setAttribute("position",new Gt(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const g=new bn(m,f),v=this;function y(n,r){const o=t.update(g);f.defines.VSM_SAMPLES!==n.blurSamples&&(f.defines.VSM_SAMPLES=n.blurSamples,p.defines.VSM_SAMPLES=n.blurSamples,f.needsUpdate=!0,p.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new 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if(i.isData3DTexture)A?(k&&n.texStorage3D(32879,P,E,r.width,r.height,r.depth),n.texSubImage3D(32879,0,0,0,0,r.width,r.height,r.depth,g,M,r.data)):n.texImage3D(32879,0,E,r.width,r.height,r.depth,0,g,M,r.data);else if(i.isFramebufferTexture){if(k)if(A)n.texStorage2D(3553,P,E,r.width,r.height);else{let e=r.width,t=r.height;for(let r=0;r<P;r++)n.texImage2D(3553,r,E,e,t,0,g,M,null),e>>=1,t>>=1}}else if(C.length>0&&m){A&&k&&n.texStorage2D(3553,P,E,C[0].width,C[0].height);for(let e=0,t=C.length;e<t;e++)x=C[e],A?n.texSubImage2D(3553,e,0,0,g,M,x):n.texImage2D(3553,e,E,g,M,x);i.generateMipmaps=!1}else A?(k&&n.texStorage2D(3553,P,E,r.width,r.height),n.texSubImage2D(3553,0,0,0,g,M,r)):n.texImage2D(3553,0,E,g,M,r);B(i,m)&&H(l),f.__version=h.version,i.onUpdate&&i.onUpdate(i)}t.__version=i.version}function ie(t,i,a,s,l){const u=o.convert(a.format,a.encoding),c=o.convert(a.type),d=V(a.internalFormat,u,c,a.encoding);r.get(i).__hasExternalTextures||(32879===l||35866===l?n.texImage3D(l,0,d,i.width,i.height,i.depth,0,u,c,null):n.texImage2D(l,0,d,i.width,i.height,0,u,c,null)),n.bindFramebuffer(36160,t),le(i)?A.framebufferTexture2DMultisampleEXT(36160,s,l,r.get(a).__webglTexture,0,se(i)):(3553===l||l>=34069&&l<=34074)&&e.framebufferTexture2D(36160,s,l,r.get(a).__webglTexture,0),n.bindFramebuffer(36160,null)}function oe(t,n,r){if(e.bindRenderbuffer(36161,t),n.depthBuffer&&!n.stencilBuffer){let i=33189;if(r||le(n)){const t=n.depthTexture;t&&t.isDepthTexture&&(t.type===y?i=36012:t.type===v&&(i=33190));const r=se(n);le(n)?A.renderbufferStorageMultisampleEXT(36161,r,i,n.width,n.height):e.renderbufferStorageMultisample(36161,r,i,n.width,n.height)}else e.renderbufferStorage(36161,i,n.width,n.height);e.framebufferRenderbuffer(36160,36096,36161,t)}else if(n.depthBuffer&&n.stencilBuffer){const i=se(n);r&&!1===le(n)?e.renderbufferStorageMultisample(36161,i,35056,n.width,n.height):le(n)?A.renderbufferStorageMultisampleEXT(36161,i,35056,n.width,n.height):e.renderbufferStorage(36161,34041,n.width,n.height),e.framebufferRenderbuffer(36160,33306,36161,t)}else{const t=!0===n.isWebGLMultipleRenderTargets?n.texture:[n.texture];for(let i=0;i<t.length;i++){const a=t[i],s=o.convert(a.format,a.encoding),l=o.convert(a.type),u=V(a.internalFormat,s,l,a.encoding),c=se(n);r&&!1===le(n)?e.renderbufferStorageMultisample(36161,c,u,n.width,n.height):le(n)?A.renderbufferStorageMultisampleEXT(36161,c,u,n.width,n.height):e.renderbufferStorage(36161,u,n.width,n.height)}}e.bindRenderbuffer(36161,null)}function ae(t){const i=r.get(t),o=!0===t.isWebGLCubeRenderTarget;if(t.depthTexture&&!i.__autoAllocateDepthBuffer){if(o)throw new Error("target.depthTexture not supported in Cube render targets");!function(t,i){if(i&&i.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not 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t=0;t<i.length;t++){n.bindFramebuffer(36160,c.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064+t,36161,c.__webglColorRenderbuffer[t]);const o=r.get(i[t]).__webglTexture;n.bindFramebuffer(36160,c.__webglFramebuffer),e.framebufferTexture2D(36009,36064+t,3553,o,0)}n.bindFramebuffer(36009,c.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=ae,this.setupFrameBufferTexture=ie,this.useMultisampledRTT=le}function ao(e,t,n){const r=n.isWebGL2;return{convert:function(n,i=null){let o;if(n===g)return 5121;if(1017===n)return 32819;if(1018===n)return 32820;if(1010===n)return 5120;if(1011===n)return 5122;if(1012===n)return 5123;if(1013===n)return 5124;if(n===v)return 5125;if(n===y)return 5126;if(n===x)return r?5131:(o=t.get("OES_texture_half_float"),null!==o?o.HALF_FLOAT_OES:null);if(1021===n)return 6406;if(n===_)return 6408;if(1024===n)return 6409;if(1025===n)return 6410;if(n===w)return 6402;if(n===S)return 34041;if(1028===n)return 6403;if(1022===n)return console.warn("THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228"),6408;if(n===U)return o=t.get("EXT_sRGB"),null!==o?o.SRGB_ALPHA_EXT:null;if(1029===n)return 36244;if(1030===n)return 33319;if(1031===n)return 33320;if(1033===n)return 36249;if(n===M||n===E||n===T||n===C)if(i===L){if(o=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===o)return null;if(n===M)return o.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===E)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===T)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===C)return o.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(o=t.get("WEBGL_compressed_texture_s3tc"),null===o)return null;if(n===M)return o.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===E)return o.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===T)return o.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===C)return o.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===n||35841===n||35842===n||35843===n){if(o=t.get("WEBGL_compressed_texture_pvrtc"),null===o)return null;if(35840===n)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===n)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===n)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===n)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===n)return o=t.get("WEBGL_compressed_texture_etc1"),null!==o?o.COMPRESSED_RGB_ETC1_WEBGL:null;if(37492===n||37496===n){if(o=t.get("WEBGL_compressed_texture_etc"),null===o)return null;if(37492===n)return i===L?o.COMPRESSED_SRGB8_ETC2:o.COMPRESSED_RGB8_ETC2;if(37496===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:o.COMPRESSED_RGBA8_ETC2_EAC}if(37808===n||37809===n||37810===n||37811===n||37812===n||37813===n||37814===n||37815===n||37816===n||37817===n||37818===n||37819===n||37820===n||37821===n){if(o=t.get("WEBGL_compressed_texture_astc"),null===o)return null;if(37808===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:o.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:o.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:o.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:o.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:o.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:o.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:o.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:o.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:o.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:o.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:o.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:o.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:o.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===n)return i===L?o.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:o.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===n){if(o=t.get("EXT_texture_compression_bptc"),null===o)return null;if(36492===n)return i===L?o.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:o.COMPRESSED_RGBA_BPTC_UNORM_EXT}return n===b?r?34042:(o=t.get("WEBGL_depth_texture"),null!==o?o.UNSIGNED_INT_24_8_WEBGL:null):void 0!==e[n]?e[n]:null}}}class so extends An{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e}}class lo extends Ct{constructor(){super(),this.isGroup=!0,this.type="Group"}}const uo={type:"move"};class co{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new lo,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new lo,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Te,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Te),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new lo,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Te,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Te),this._grip}dispatchEvent(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(e,t,n){let r=null,i=null,o=null;const a=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState){if(l&&e.hand){o=!0;for(const r of e.hand.values()){const e=t.getJointPose(r,n);if(void 0===l.joints[r.jointName]){const e=new lo;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[r.jointName]=e,l.add(e)}const i=l.joints[r.jointName];null!==e&&(i.matrix.fromArray(e.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.jointRadius=e.radius),i.visible=null!==e}const r=l.joints["index-finger-tip"],i=l.joints["thumb-tip"],a=r.position.distanceTo(i.position),s=.02,u=.005;l.inputState.pinching&&a>s+u?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&a<=s-u&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==s&&e.gripSpace&&(i=t.getPose(e.gripSpace,n),null!==i&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1));null!==a&&(r=t.getPose(e.targetRaySpace,n),null===r&&null!==i&&(r=i),null!==r&&(a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),r.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(r.linearVelocity)):a.hasLinearVelocity=!1,r.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(r.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(uo)))}return null!==a&&(a.visible=null!==r),null!==s&&(s.visible=null!==i),null!==l&&(l.visible=null!==o),this}}class ho extends be{constructor(e,t,n,r,i,o,a,s,l,u){if((u=void 0!==u?u:w)!==w&&u!==S)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&u===w&&(n=v),void 0===n&&u===S&&(n=b),super(null,r,i,o,a,s,u,n,l),this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=void 0!==a?a:d,this.minFilter=void 0!==s?s:d,this.flipY=!1,this.generateMipmaps=!1}}class fo extends F{constructor(e,t){super();const n=this;let r=null,i=1,o=null,a="local-floor",s=null,l=null,u=null,c=null,d=null,h=null;const f=t.getContextAttributes();let p=null,m=null;const y=[],x=[],M=new An;M.layers.enable(1),M.viewport=new _e;const E=new An;E.layers.enable(2),E.viewport=new _e;const T=[M,E],C=new so;C.layers.enable(1),C.layers.enable(2);let A=null,k=null;function P(e){const t=x.indexOf(e.inputSource);if(-1===t)return;const n=y[t];void 0!==n&&n.dispatchEvent({type:e.type,data:e.inputSource})}function R(){r.removeEventListener("select",P),r.removeEventListener("selectstart",P),r.removeEventListener("selectend",P),r.removeEventListener("squeeze",P),r.removeEventListener("squeezestart",P),r.removeEventListener("squeezeend",P),r.removeEventListener("end",R),r.removeEventListener("inputsourceschange",L);for(let e=0;e<y.length;e++){const t=x[e];null!==t&&(x[e]=null,y[e].disconnect(t))}A=null,k=null,e.setRenderTarget(p),d=null,c=null,u=null,r=null,m=null,z.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function L(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],r=x.indexOf(n);r>=0&&(x[r]=null,y[r].dispatchEvent({type:"disconnected",data:n}))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let r=x.indexOf(n);if(-1===r){for(let e=0;e<y.length;e++){if(e>=x.length){x.push(n),r=e;break}if(null===x[e]){x[e]=n,r=e;break}}if(-1===r)break}const i=y[r];i&&i.dispatchEvent({type:"connected",data:n})}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getGripSpace()},this.getHand=function(e){let t=y[e];return void 0===t&&(t=new co,y[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){i=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){a=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return s||o},this.setReferenceSpace=function(e){s=e},this.getBaseLayer=function(){return null!==c?c:d},this.getBinding=function(){return u},this.getFrame=function(){return h},this.getSession=function(){return r},this.setSession=async function(l){if(r=l,null!==r){if(p=e.getRenderTarget(),r.addEventListener("select",P),r.addEventListener("selectstart",P),r.addEventListener("selectend",P),r.addEventListener("squeeze",P),r.addEventListener("squeezestart",P),r.addEventListener("squeezeend",P),r.addEventListener("end",R),r.addEventListener("inputsourceschange",L),!0!==f.xrCompatible&&await t.makeXRCompatible(),void 0===r.renderState.layers||!1===e.capabilities.isWebGL2){const n={antialias:void 0!==r.renderState.layers||f.antialias,alpha:f.alpha,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:i};d=new XRWebGLLayer(r,t,n),r.updateRenderState({baseLayer:d}),m=new we(d.framebufferWidth,d.framebufferHeight,{format:_,type:g,encoding:e.outputEncoding,stencilBuffer:f.stencil})}else{let n=null,o=null,a=null;f.depth&&(a=f.stencil?35056:33190,n=f.stencil?S:w,o=f.stencil?b:v);const s={colorFormat:32856,depthFormat:a,scaleFactor:i};u=new XRWebGLBinding(r,t),c=u.createProjectionLayer(s),r.updateRenderState({layers:[c]}),m=new we(c.textureWidth,c.textureHeight,{format:_,type:g,depthTexture:new ho(c.textureWidth,c.textureHeight,o,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,encoding:e.outputEncoding,samples:f.antialias?4:0}),e.properties.get(m).__ignoreDepthValues=c.ignoreDepthValues}m.isXRRenderTarget=!0,this.setFoveation(1),s=null,o=await r.requestReferenceSpace(a),z.setContext(r),z.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const I=new Te,N=new Te;function O(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===r)return;C.near=E.near=M.near=e.near,C.far=E.far=M.far=e.far,A===C.near&&k===C.far||(r.updateRenderState({depthNear:C.near,depthFar:C.far}),A=C.near,k=C.far);const t=e.parent,n=C.cameras;O(C,t);for(let e=0;e<n.length;e++)O(n[e],t);C.matrixWorld.decompose(C.position,C.quaternion,C.scale),e.matrix.copy(C.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const i=e.children;for(let e=0,t=i.length;e<t;e++)i[e].updateMatrixWorld(!0);2===n.length?function(e,t,n){I.setFromMatrixPosition(t.matrixWorld),N.setFromMatrixPosition(n.matrixWorld);const r=I.distanceTo(N),i=t.projectionMatrix.elements,o=n.projectionMatrix.elements,a=i[14]/(i[10]-1),s=i[14]/(i[10]+1),l=(i[9]+1)/i[5],u=(i[9]-1)/i[5],c=(i[8]-1)/i[0],d=(o[8]+1)/o[0],h=a*c,f=a*d,p=r/(-c+d),m=p*-c;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(p),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=a+p,v=s+p,y=h-m,x=f+(r-m),b=l*s/v*g,_=u*s/v*g;e.projectionMatrix.makePerspective(y,x,b,_,g,v)}(C,M,E):C.projectionMatrix.copy(M.projectionMatrix)},this.getCamera=function(){return C},this.getFoveation=function(){return null!==c?c.fixedFoveation:null!==d?d.fixedFoveation:void 0},this.setFoveation=function(e){null!==c&&(c.fixedFoveation=e),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=e)};let D=null;const z=new Bn;z.setAnimationLoop((function(t,n){if(l=n.getViewerPose(s||o),h=n,null!==l){const t=l.views;null!==d&&(e.setRenderTargetFramebuffer(m,d.framebuffer),e.setRenderTarget(m));let n=!1;t.length!==C.cameras.length&&(C.cameras.length=0,n=!0);for(let r=0;r<t.length;r++){const i=t[r];let o=null;if(null!==d)o=d.getViewport(i);else{const t=u.getViewSubImage(c,i);o=t.viewport,0===r&&(e.setRenderTargetTextures(m,t.colorTexture,c.ignoreDepthValues?void 0:t.depthStencilTexture),e.setRenderTarget(m))}let a=T[r];void 0===a&&(a=new An,a.layers.enable(r),a.viewport=new _e,T[r]=a),a.matrix.fromArray(i.transform.matrix),a.projectionMatrix.fromArray(i.projectionMatrix),a.viewport.set(o.x,o.y,o.width,o.height),0===r&&C.matrix.copy(a.matrix),!0===n&&C.cameras.push(a)}}for(let e=0;e<y.length;e++){const t=x[e],r=y[e];null!==t&&void 0!==r&&r.update(t,n,s||o)}D&&D(t,n),h=null})),this.setAnimationLoop=function(e){D=e},this.dispose=function(){}}}function po(e,t){function n(n,r){n.opacity.value=r.opacity,r.color&&n.diffuse.value.copy(r.color),r.emissive&&n.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(n.map.value=r.map),r.alphaMap&&(n.alphaMap.value=r.alphaMap),r.bumpMap&&(n.bumpMap.value=r.bumpMap,n.bumpScale.value=r.bumpScale,1===r.side&&(n.bumpScale.value*=-1)),r.displacementMap&&(n.displacementMap.value=r.displacementMap,n.displacementScale.value=r.displacementScale,n.displacementBias.value=r.displacementBias),r.emissiveMap&&(n.emissiveMap.value=r.emissiveMap),r.normalMap&&(n.normalMap.value=r.normalMap,n.normalScale.value.copy(r.normalScale),1===r.side&&n.normalScale.value.negate()),r.specularMap&&(n.specularMap.value=r.specularMap),r.alphaTest>0&&(n.alphaTest.value=r.alphaTest);const i=t.get(r).envMap;if(i&&(n.envMap.value=i,n.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,n.reflectivity.value=r.reflectivity,n.ior.value=r.ior,n.refractionRatio.value=r.refractionRatio),r.lightMap){n.lightMap.value=r.lightMap;const t=!0!==e.physicallyCorrectLights?Math.PI:1;n.lightMapIntensity.value=r.lightMapIntensity*t}let o,a;r.aoMap&&(n.aoMap.value=r.aoMap,n.aoMapIntensity.value=r.aoMapIntensity),r.map?o=r.map:r.specularMap?o=r.specularMap:r.displacementMap?o=r.displacementMap:r.normalMap?o=r.normalMap:r.bumpMap?o=r.bumpMap:r.roughnessMap?o=r.roughnessMap:r.metalnessMap?o=r.metalnessMap:r.alphaMap?o=r.alphaMap:r.emissiveMap?o=r.emissiveMap:r.clearcoatMap?o=r.clearcoatMap:r.clearcoatNormalMap?o=r.clearcoatNormalMap:r.clearcoatRoughnessMap?o=r.clearcoatRoughnessMap:r.iridescenceMap?o=r.iridescenceMap:r.iridescenceThicknessMap?o=r.iridescenceThicknessMap:r.specularIntensityMap?o=r.specularIntensityMap:r.specularColorMap?o=r.specularColorMap:r.transmissionMap?o=r.transmissionMap:r.thicknessMap?o=r.thicknessMap:r.sheenColorMap?o=r.sheenColorMap:r.sheenRoughnessMap&&(o=r.sheenRoughnessMap),void 0!==o&&(o.isWebGLRenderTarget&&(o=o.texture),!0===o.matrixAutoUpdate&&o.updateMatrix(),n.uvTransform.value.copy(o.matrix)),r.aoMap?a=r.aoMap:r.lightMap&&(a=r.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),n.uv2Transform.value.copy(a.matrix))}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,r,i,o,a){r.isMeshBasicMaterial||r.isMeshLambertMaterial?n(e,r):r.isMeshToonMaterial?(n(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,r)):r.isMeshPhongMaterial?(n(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,r)):r.isMeshStandardMaterial?(n(e,r),function(e,n){e.roughness.value=n.roughness,e.metalness.value=n.metalness,n.roughnessMap&&(e.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(e.metalnessMap.value=n.metalnessMap),t.get(n).envMap&&(e.envMapIntensity.value=n.envMapIntensity)}(e,r),r.isMeshPhysicalMaterial&&function(e,t,n){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap)),t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,1===t.side&&e.clearcoatNormalScale.value.negate())),t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap)),t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=n.texture,e.transmissionSamplerSize.value.set(n.width,n.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor)),e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap)}(e,r,a)):r.isMeshMatcapMaterial?(n(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,r)):r.isMeshDepthMaterial?n(e,r):r.isMeshDistanceMaterial?(n(e,r),function(e,t){e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,r)):r.isMeshNormalMaterial?n(e,r):r.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,r),r.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,r)):r.isPointsMaterial?function(e,t,n,r){let i;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*r,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.alphaTest>0&&(e.alphaTest.value=t.alphaTest),t.map?i=t.map:t.alphaMap&&(i=t.alphaMap),void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix))}(e,r,i,o):r.isSpriteMaterial?function(e,t){let n;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.alphaTest>0&&(e.alphaTest.value=t.alphaTest),t.map?n=t.map:t.alphaMap&&(n=t.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),e.uvTransform.value.copy(n.matrix))}(e,r):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function mo(e,t,n,r){let i={},o={},a=[];const s=n.isWebGL2?e.getParameter(35375):0;function l(e,t,n){const r=e.value;if(void 0===n[t])return 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r=0;for(let e=0,i=t.length;e<i;e++){const i=t[e],o=u(i);if(i.__data=new Float32Array(o.storage/Float32Array.BYTES_PER_ELEMENT),i.__offset=n,e>0){r=n%16;const e=16-r;0!==r&&e-o.boundary<0&&(n+=16-r,i.__offset=n)}n+=o.storage}r=n%16,r>0&&(n+=16-r),e.__size=n,e.__cache={}}(n),h=function(t){const n=function(){for(let e=0;e<s;e++)if(-1===a.indexOf(e))return a.push(e),e;return console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."),0}();t.__bindingPointIndex=n;const r=e.createBuffer(),i=t.__size,o=t.usage;return e.bindBuffer(35345,r),e.bufferData(35345,i,o),e.bindBuffer(35345,null),e.bindBufferBase(35345,n,r),r}(n),i[n.id]=h,n.addEventListener("dispose",c));const f=d.program;r.updateUBOMapping(n,f);const p=t.render.frame;o[n.id]!==p&&(function(t){const n=i[t.id],r=t.uniforms,o=t.__cache;e.bindBuffer(35345,n);for(let t=0,n=r.length;t<n;t++){const n=r[t];if(!0===l(n,t,o)){const t=n.value,r=n.__offset;"number"==typeof 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U=!1;const F=new Fn;let B=!1,H=!1,V=null;const j=new nt,G=new ee,W=new Te,X={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function $(){return null===M?I:1}let q,Y,K,J,Q,te,ne,ie,oe,ae,se,le,ue,ce,de,he,fe,pe,me,ge,ve,ye,xe,be,Se=n;function Me(e,n){for(let r=0;r<e.length;r++){const i=e[r],o=t.getContext(i,n);if(null!==o)return o}return null}try{const e={alpha:!0,depth:r,stencil:i,antialias:o,premultipliedAlpha:a,preserveDrawingBuffer:s,powerPreference:l,failIfMajorPerformanceCaveat:u};if("setAttribute"in t&&t.setAttribute("data-engine","three.js r146"),t.addEventListener("webglcontextlost",Ae,!1),t.addEventListener("webglcontextrestored",ke,!1),t.addEventListener("webglcontextcreationerror",Pe,!1),null===Se){const t=["webgl2","webgl","experimental-webgl"];if(!0===v.isWebGL1Renderer&&t.shift(),Se=Me(t,e),null===Se)throw Me(t)?new Error("Error creating WebGL context with your selected attributes."):new Error("Error creating WebGL context.")}void 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k=w.getUniforms(),P=x.uniforms;if(K.useProgram(w.program)&&(S=!0,C=!0,A=!0),r.id!==E&&(E=r.id,C=!0),S||T!==e){if(k.setValue(Se,"projectionMatrix",e.projectionMatrix),Y.logarithmicDepthBuffer&&k.setValue(Se,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),T!==e&&(T=e,C=!0,A=!0),r.isShaderMaterial||r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshStandardMaterial||r.envMap){const t=k.map.cameraPosition;void 0!==t&&t.setValue(Se,W.setFromMatrixPosition(e.matrixWorld))}(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial)&&k.setValue(Se,"isOrthographic",!0===e.isOrthographicCamera),(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial||r.isShadowMaterial||i.isSkinnedMesh)&&k.setValue(Se,"viewMatrix",e.matrixWorldInverse)}if(i.isSkinnedMesh){k.setOptional(Se,i,"bindMatrix"),k.setOptional(Se,i,"bindMatrixInverse");const 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0!==N.color&&!0===Y.isWebGL2)&&me.update(i,n,r,w),(C||x.receiveShadow!==i.receiveShadow)&&(x.receiveShadow=i.receiveShadow,k.setValue(Se,"receiveShadow",i.receiveShadow)),r.isMeshGouraudMaterial&&null!==r.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1),C&&(k.setValue(Se,"toneMappingExposure",v.toneMappingExposure),x.needsLights&&(D=A,(O=P).ambientLightColor.needsUpdate=D,O.lightProbe.needsUpdate=D,O.directionalLights.needsUpdate=D,O.directionalLightShadows.needsUpdate=D,O.pointLights.needsUpdate=D,O.pointLightShadows.needsUpdate=D,O.spotLights.needsUpdate=D,O.spotLightShadows.needsUpdate=D,O.rectAreaLights.needsUpdate=D,O.hemisphereLights.needsUpdate=D),o&&!0===r.fog&&ue.refreshFogUniforms(P,o),ue.refreshMaterialUniforms(P,r,I,L,V),Si.upload(Se,x.uniformsList,P,te)),r.isShaderMaterial&&!0===r.uniformsNeedUpdate&&(Si.upload(Se,x.uniformsList,P,te),r.uniformsNeedUpdate=!1),r.isSpriteMaterial&&k.setValue(Se,"center",i.center),k.setValue(Se,"modelViewMatrix",i.modelViewMatrix),k.setValue(Se,"normalMatrix",i.normalMatrix),k.setValue(Se,"modelMatrix",i.matrixWorld),r.isShaderMaterial||r.isRawShaderMaterial){const 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i.isPoints?f.setMode(0):i.isSprite&&f.setMode(4);if(i.isInstancedMesh)f.renderInstances(b,w,i.count);else if(n.isInstancedBufferGeometry){const e=Math.min(n.instanceCount,n._maxInstanceCount);f.renderInstances(b,w,e)}else f.render(b,w)}},this.compile=function(e,t){function n(e,t,n){!0===e.transparent&&2===e.side?(e.side=1,e.needsUpdate=!0,Be(e,t,n),e.side=0,e.needsUpdate=!0,Be(e,t,n),e.side=2):Be(e,t,n)}h=de.get(e),h.init(),p.push(h),e.traverseVisible((function(e){e.isLight&&e.layers.test(t.layers)&&(h.pushLight(e),e.castShadow&&h.pushShadow(e))})),h.setupLights(v.physicallyCorrectLights),e.traverse((function(t){const r=t.material;if(r)if(Array.isArray(r))for(let i=0;i<r.length;i++)n(r[i],e,t);else n(r,e,t)})),p.pop(),h=null};let Le=null;function Ie(){Oe.stop()}function Ne(){Oe.start()}const Oe=new Bn;function De(e,t,n,r){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)h.pushLight(e),e.castShadow&&h.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||F.intersectsSprite(e)){r&&W.setFromMatrixPosition(e.matrixWorld).applyMatrix4(j);const t=se.update(e),i=e.material;i.visible&&d.push(e,t,i,n,W.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(e.isSkinnedMesh&&e.skeleton.frame!==J.render.frame&&(e.skeleton.update(),e.skeleton.frame=J.render.frame),!e.frustumCulled||F.intersectsObject(e))){r&&W.setFromMatrixPosition(e.matrixWorld).applyMatrix4(j);const t=se.update(e),i=e.material;if(Array.isArray(i)){const r=t.groups;for(let o=0,a=r.length;o<a;o++){const a=r[o],s=i[a.materialIndex];s&&s.visible&&d.push(e,t,s,n,W.z,a)}}else i.visible&&d.push(e,t,i,n,W.z,null)}const i=e.children;for(let e=0,o=i.length;e<o;e++)De(i[e],t,n,r)}function ze(e,t,n,r){const i=e.opaque,a=e.transmissive,s=e.transparent;h.setupLightsView(n),a.length>0&&function(e,t,n){const r=Y.isWebGL2;null===V&&(V=new we(1,1,{generateMipmaps:!0,type:q.has("EXT_color_buffer_half_float")?x:g,minFilter:m,samples:r&&!0===o?4:0})),v.getDrawingBufferSize(G),r?V.setSize(G.x,G.y):V.setSize(Z(G.x),Z(G.y));const i=v.getRenderTarget();v.setRenderTarget(V),v.clear();const a=v.toneMapping;v.toneMapping=0,Ue(e,t,n),v.toneMapping=a,te.updateMultisampleRenderTarget(V),te.updateRenderTargetMipmap(V),v.setRenderTarget(i)}(i,t,n),r&&K.viewport(C.copy(r)),i.length>0&&Ue(i,t,n),a.length>0&&Ue(a,t,n),s.length>0&&Ue(s,t,n),K.buffers.depth.setTest(!0),K.buffers.depth.setMask(!0),K.buffers.color.setMask(!0),K.setPolygonOffset(!1)}function Ue(e,t,n){const r=!0===t.isScene?t.overrideMaterial:null;for(let i=0,o=e.length;i<o;i++){const o=e[i],a=o.object,s=o.geometry,l=null===r?o.material:r,u=o.group;a.layers.test(n.layers)&&Fe(a,t,n,s,l,u)}}function Fe(e,t,n,r,i,o){e.onBeforeRender(v,t,n,r,i,o),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),i.onBeforeRender(v,t,n,r,e,o),!0===i.transparent&&2===i.side?(i.side=1,i.needsUpdate=!0,v.renderBufferDirect(n,t,r,i,e,o),i.side=0,i.needsUpdate=!0,v.renderBufferDirect(n,t,r,i,e,o),i.side=2):v.renderBufferDirect(n,t,r,i,e,o),e.onAfterRender(v,t,n,r,i,o)}function Be(e,t,n){!0!==t.isScene&&(t=X);const r=Q.get(e),i=h.state.lights,o=h.state.shadowsArray,a=i.state.version,s=le.getParameters(e,i.state,o,t,n),l=le.getProgramCacheKey(s);let u=r.programs;r.environment=e.isMeshStandardMaterial?t.environment:null,r.fog=t.fog,r.envMap=(e.isMeshStandardMaterial?ie:ne).get(e.envMap||r.environment),void 0===u&&(e.addEventListener("dispose",Re),u=new Map,r.programs=u);let c=u.get(l);if(void 0!==c){if(r.currentProgram===c&&r.lightsStateVersion===a)return He(e,s),c}else 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e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),r.lightsStateVersion=a,r.needsLights&&(d.ambientLightColor.value=i.state.ambient,d.lightProbe.value=i.state.probe,d.directionalLights.value=i.state.directional,d.directionalLightShadows.value=i.state.directionalShadow,d.spotLights.value=i.state.spot,d.spotLightShadows.value=i.state.spotShadow,d.rectAreaLights.value=i.state.rectArea,d.ltc_1.value=i.state.rectAreaLTC1,d.ltc_2.value=i.state.rectAreaLTC2,d.pointLights.value=i.state.point,d.pointLightShadows.value=i.state.pointShadow,d.hemisphereLights.value=i.state.hemi,d.directionalShadowMap.value=i.state.directionalShadowMap,d.directionalShadowMatrix.value=i.state.directionalShadowMatrix,d.spotShadowMap.value=i.state.spotShadowMap,d.spotLightMatrix.value=i.state.spotLightMatrix,d.spotLightMap.value=i.state.spotLightMap,d.pointShadowMap.value=i.state.pointShadowMap,d.pointShadowMatrix.value=i.state.pointShadowMatrix);const 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0===t},this.setRenderTarget=function(e,t=0,n=0){M=e,w=t,S=n;let r=!0,i=null,o=!1,a=!1;if(e){const n=Q.get(e);void 0!==n.__useDefaultFramebuffer?(K.bindFramebuffer(36160,null),r=!1):void 0===n.__webglFramebuffer?te.setupRenderTarget(e):n.__hasExternalTextures&&te.rebindTextures(e,Q.get(e.texture).__webglTexture,Q.get(e.depthTexture).__webglTexture);const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=Q.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=l[t],o=!0):i=Y.isWebGL2&&e.samples>0&&!1===te.useMultisampledRTT(e)?Q.get(e).__webglMultisampledFramebuffer:l,C.copy(e.viewport),A.copy(e.scissor),k=e.scissorTest}else C.copy(D).multiplyScalar(I).floor(),A.copy(z).multiplyScalar(I).floor(),k=U;if(K.bindFramebuffer(36160,i)&&Y.drawBuffers&&r&&K.drawBuffers(e,i),K.viewport(C),K.scissor(A),K.setScissorTest(k),o){const r=Q.get(e.texture);Se.framebufferTexture2D(36160,36064,34069+t,r.__webglTexture,n)}else if(a){const r=Q.get(e.texture),i=t||0;Se.framebufferTextureLayer(36160,36064,r.__webglTexture,n||0,i)}E=-1},this.readRenderTargetPixels=function(e,t,n,r,i,o,a){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=Q.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==a&&(s=s[a]),s){K.bindFramebuffer(36160,s);try{const a=e.texture,s=a.format,l=a.type;if(s!==_&&ye.convert(s)!==Se.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const u=l===x&&(q.has("EXT_color_buffer_half_float")||Y.isWebGL2&&q.has("EXT_color_buffer_float"));if(!(l===g||ye.convert(l)===Se.getParameter(35738)||l===y&&(Y.isWebGL2||q.has("OES_texture_float")||q.has("WEBGL_color_buffer_float"))||u))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or 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i=t.image.width,o=t.image.height,a=ye.convert(n.format),s=ye.convert(n.type);te.setTexture2D(n,0),Se.pixelStorei(37440,n.flipY),Se.pixelStorei(37441,n.premultiplyAlpha),Se.pixelStorei(3317,n.unpackAlignment),t.isDataTexture?Se.texSubImage2D(3553,r,e.x,e.y,i,o,a,s,t.image.data):t.isCompressedTexture?Se.compressedTexSubImage2D(3553,r,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,a,t.mipmaps[0].data):Se.texSubImage2D(3553,r,e.x,e.y,a,s,t.image),0===r&&n.generateMipmaps&&Se.generateMipmap(3553),K.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,r,i=0){if(v.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const o=e.max.x-e.min.x+1,a=e.max.y-e.min.y+1,s=e.max.z-e.min.z+1,l=ye.convert(r.format),u=ye.convert(r.type);let c;if(r.isData3DTexture)te.setTexture3D(r,0),c=32879;else{if(!r.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");te.setTexture2DArray(r,0),c=35866}Se.pixelStorei(37440,r.flipY),Se.pixelStorei(37441,r.premultiplyAlpha),Se.pixelStorei(3317,r.unpackAlignment);const d=Se.getParameter(3314),h=Se.getParameter(32878),f=Se.getParameter(3316),p=Se.getParameter(3315),m=Se.getParameter(32877),g=n.isCompressedTexture?n.mipmaps[0]:n.image;Se.pixelStorei(3314,g.width),Se.pixelStorei(32878,g.height),Se.pixelStorei(3316,e.min.x),Se.pixelStorei(3315,e.min.y),Se.pixelStorei(32877,e.min.z),n.isDataTexture||n.isData3DTexture?Se.texSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,u,g.data):n.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),Se.compressedTexSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,g.data)):Se.texSubImage3D(c,i,t.x,t.y,t.z,o,a,s,l,u,g),Se.pixelStorei(3314,d),Se.pixelStorei(32878,h),Se.pixelStorei(3316,f),Se.pixelStorei(3315,p),Se.pixelStorei(32877,m),0===i&&r.generateMipmaps&&Se.generateMipmap(c),K.unbindTexture()},this.initTexture=function(e){e.isCubeTexture?te.setTextureCube(e,0):e.isData3DTexture?te.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?te.setTexture2DArray(e,0):te.setTexture2D(e,0),K.unbindTexture()},this.resetState=function(){w=0,S=0,M=null,K.reset(),xe.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}(class extends go{}).prototype.isWebGL1Renderer=!0;class vo{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new pe(e),this.density=t}clone(){return new vo(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}class yo extends Ct{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.fog&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.backgroundBlurriness=this.backgroundBlurriness),t}get autoUpdate(){return console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate}set autoUpdate(e){console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate=e}}class xo{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=D,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=G()}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let r=0,i=this.stride;r<i;r++)this.array[e+r]=t.array[n+r];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=G()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=G()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const bo=new Te;class _o{constructor(e,t,n,r=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=!0===r}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.applyMatrix4(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.applyNormalMatrix(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)bo.fromBufferAttribute(this,t),bo.transformDirection(e),this.setXYZ(t,bo.x,bo.y,bo.z);return this}setX(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=J(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=K(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=K(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=K(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=K(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=J(t,this.array),n=J(n,this.array),r=J(r,this.array),i=J(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this.data.array[e+3]=i,this}clone(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new Gt(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new _o(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}const wo=new Te,So=new _e,Mo=new _e,Eo=new Te,To=new nt;class Co extends bn{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new nt,this.bindMatrixInverse=new nt}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this}bind(e,t){this.skeleton=e,void 0===t&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const e=new _e,t=this.geometry.attributes.skinWeight;for(let n=0,r=t.count;n<r;n++){e.fromBufferAttribute(t,n);const r=1/e.manhattanLength();r!==1/0?e.multiplyScalar(r):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(e,t){const n=this.skeleton,r=this.geometry;So.fromBufferAttribute(r.attributes.skinIndex,e),Mo.fromBufferAttribute(r.attributes.skinWeight,e),wo.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const r=Mo.getComponent(e);if(0!==r){const i=So.getComponent(e);To.multiplyMatrices(n.bones[i].matrixWorld,n.boneInverses[i]),t.addScaledVector(Eo.copy(wo).applyMatrix4(To),r)}}return t.applyMatrix4(this.bindMatrixInverse)}}class Ao extends Ct{constructor(){super(),this.isBone=!0,this.type="Bone"}}class ko extends be{constructor(e=null,t=1,n=1,r,i,o,a,s,l=1003,u=1003,c,d){super(null,o,a,s,l,u,r,i,c,d),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Po=new nt,Ro=new nt;class Lo{constructor(e=[],t=[]){this.uuid=G(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(16*e.length),0===t.length)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new nt)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new nt;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){const e=this.bones,t=this.boneInverses,n=this.boneMatrices,r=this.boneTexture;for(let r=0,i=e.length;r<i;r++){const i=e[r]?e[r].matrixWorld:Ro;Po.multiplyMatrices(i,t[r]),Po.toArray(n,16*r)}null!==r&&(r.needsUpdate=!0)}clone(){return new Lo(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(4*this.bones.length);e=Y(e),e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const n=new ko(t,e,e,_,y);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this.boneTextureSize=e,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){const n=this.bones[t];if(n.name===e)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,r=e.bones.length;n<r;n++){const r=e.bones[n];let i=t[r];void 0===i&&(console.warn("THREE.Skeleton: No bone found with UUID:",r),i=new Ao),this.bones.push(i),this.boneInverses.push((new nt).fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let r=0,i=t.length;r<i;r++){const i=t[r];e.bones.push(i.uuid);const o=n[r];e.boneInverses.push(o.toArray())}return e}}class Io extends Gt{constructor(e,t,n,r=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=r}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}const No=new nt,Oo=new nt,Do=[],zo=new nt,Uo=new bn;class Fo extends bn{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Io(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1;for(let e=0;e<n;e++)this.setMatrixAt(e,zo)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this}getColorAt(e,t){t.fromArray(this.instanceColor.array,3*e)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,16*e)}raycast(e,t){const n=this.matrixWorld,r=this.count;if(Uo.geometry=this.geometry,Uo.material=this.material,void 0!==Uo.material)for(let i=0;i<r;i++){this.getMatrixAt(i,No),Oo.multiplyMatrices(n,No),Uo.matrixWorld=Oo,Uo.raycast(e,Do);for(let e=0,n=Do.length;e<n;e++){const n=Do[e];n.instanceId=i,n.object=this,t.push(n)}Do.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new Io(new Float32Array(3*this.instanceMatrix.count),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Bo extends Bt{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new pe(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}const Ho=new Te,Vo=new Te,jo=new nt,Go=new tt,Wo=new $e;class Xo extends Ct{constructor(e=new tn,t=new Bo){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,r=t.count;e<r;e++)Ho.fromBufferAttribute(t,e-1),Vo.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=Ho.distanceTo(Vo);e.setAttribute("lineDistance",new $t(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold,o=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Wo.copy(n.boundingSphere),Wo.applyMatrix4(r),Wo.radius+=i,!1===e.ray.intersectsSphere(Wo))return;jo.copy(r).invert(),Go.copy(e.ray).applyMatrix4(jo);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=a*a,l=new Te,u=new Te,c=new Te,d=new Te,h=this.isLineSegments?2:1,f=n.index,p=n.attributes.position;if(null!==f)for(let n=Math.max(0,o.start),r=Math.min(f.count,o.start+o.count)-1;n<r;n+=h){const r=f.getX(n),i=f.getX(n+1);if(l.fromBufferAttribute(p,r),u.fromBufferAttribute(p,i),Go.distanceSqToSegment(l,u,d,c)>s)continue;d.applyMatrix4(this.matrixWorld);const o=e.ray.origin.distanceTo(d);o<e.near||o>e.far||t.push({distance:o,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}else for(let n=Math.max(0,o.start),r=Math.min(p.count,o.start+o.count)-1;n<r;n+=h){if(l.fromBufferAttribute(p,n),u.fromBufferAttribute(p,n+1),Go.distanceSqToSegment(l,u,d,c)>s)continue;d.applyMatrix4(this.matrixWorld);const r=e.ray.origin.distanceTo(d);r<e.near||r>e.far||t.push({distance:r,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}const $o=new Te,qo=new Te;class Yo extends Xo{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,r=t.count;e<r;e+=2)$o.fromBufferAttribute(t,e),qo.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+$o.distanceTo(qo);e.setAttribute("lineDistance",new $t(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Zo extends Xo{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class Ko extends Bt{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new pe(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}const Jo=new nt,Qo=new tt,ea=new $e,ta=new Te;class na extends Ct{constructor(e=new tn,t=new Ko){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=e.material,this.geometry=e.geometry,this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,i=e.params.Points.threshold,o=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),ea.copy(n.boundingSphere),ea.applyMatrix4(r),ea.radius+=i,!1===e.ray.intersectsSphere(ea))return;Jo.copy(r).invert(),Qo.copy(e.ray).applyMatrix4(Jo);const a=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=a*a,l=n.index,u=n.attributes.position;if(null!==l)for(let n=Math.max(0,o.start),i=Math.min(l.count,o.start+o.count);n<i;n++){const i=l.getX(n);ta.fromBufferAttribute(u,i),ra(ta,i,s,r,e,t,this)}else for(let n=Math.max(0,o.start),i=Math.min(u.count,o.start+o.count);n<i;n++)ta.fromBufferAttribute(u,n),ra(ta,n,s,r,e,t,this)}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(void 0!==n){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function ra(e,t,n,r,i,o,a){const s=Qo.distanceSqToPoint(e);if(s<n){const n=new Te;Qo.closestPointToPoint(e,n),n.applyMatrix4(r);const l=i.ray.origin.distanceTo(n);if(l<i.near||l>i.far)return;o.push({distance:l,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,object:a})}}class ia{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){const e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,r=this.getPoint(0),i=0;t.push(0);for(let o=1;o<=e;o++)n=this.getPoint(o/e),i+=n.distanceTo(r),t.push(i),r=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){const n=this.getLengths();let r=0;const i=n.length;let o;o=t||e*n[i-1];let a,s=0,l=i-1;for(;s<=l;)if(r=Math.floor(s+(l-s)/2),a=n[r]-o,a<0)s=r+1;else{if(!(a>0)){l=r;break}l=r-1}if(r=l,n[r]===o)return r/(i-1);const u=n[r];return(r+(o-u)/(n[r+1]-u))/(i-1)}getTangent(e,t){const n=1e-4;let r=e-n,i=e+n;r<0&&(r=0),i>1&&(i=1);const o=this.getPoint(r),a=this.getPoint(i),s=t||(o.isVector2?new ee:new Te);return s.copy(a).sub(o).normalize(),s}getTangentAt(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t){const n=new Te,r=[],i=[],o=[],a=new Te,s=new nt;for(let t=0;t<=e;t++){const n=t/e;r[t]=this.getTangentAt(n,new Te)}i[0]=new Te,o[0]=new Te;let l=Number.MAX_VALUE;const u=Math.abs(r[0].x),c=Math.abs(r[0].y),d=Math.abs(r[0].z);u<=l&&(l=u,n.set(1,0,0)),c<=l&&(l=c,n.set(0,1,0)),d<=l&&n.set(0,0,1),a.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],a),o[0].crossVectors(r[0],i[0]);for(let t=1;t<=e;t++){if(i[t]=i[t-1].clone(),o[t]=o[t-1].clone(),a.crossVectors(r[t-1],r[t]),a.length()>Number.EPSILON){a.normalize();const e=Math.acos(W(r[t-1].dot(r[t]),-1,1));i[t].applyMatrix4(s.makeRotationAxis(a,e))}o[t].crossVectors(r[t],i[t])}if(!0===t){let t=Math.acos(W(i[0].dot(i[e]),-1,1));t/=e,r[0].dot(a.crossVectors(i[0],i[e]))>0&&(t=-t);for(let n=1;n<=e;n++)i[n].applyMatrix4(s.makeRotationAxis(r[n],t*n)),o[n].crossVectors(r[n],i[n])}return{tangents:r,normals:i,binormals:o}}clone(){return(new this.constructor).copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class oa extends ia{constructor(e=0,t=0,n=1,r=1,i=0,o=2*Math.PI,a=!1,s=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=r,this.aStartAngle=i,this.aEndAngle=o,this.aClockwise=a,this.aRotation=s}getPoint(e,t){const n=t||new ee,r=2*Math.PI;let i=this.aEndAngle-this.aStartAngle;const o=Math.abs(i)<Number.EPSILON;for(;i<0;)i+=r;for(;i>r;)i-=r;i<Number.EPSILON&&(i=o?0:r),!0!==this.aClockwise||o||(i===r?i=-r:i-=r);const a=this.aStartAngle+e*i;let s=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,r=l-this.aY;s=n*e-r*t+this.aX,l=n*t+r*e+this.aY}return n.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}function aa(){let e=0,t=0,n=0,r=0;function i(i,o,a,s){e=i,t=a,n=-3*i+3*o-2*a-s,r=2*i-2*o+a+s}return{initCatmullRom:function(e,t,n,r,o){i(t,n,o*(n-e),o*(r-t))},initNonuniformCatmullRom:function(e,t,n,r,o,a,s){let l=(t-e)/o-(n-e)/(o+a)+(n-t)/a,u=(n-t)/a-(r-t)/(a+s)+(r-n)/s;l*=a,u*=a,i(t,n,l,u)},calc:function(i){const o=i*i;return e+t*i+n*o+r*(o*i)}}}const sa=new Te,la=new aa,ua=new aa,ca=new aa;function da(e,t,n,r,i){const o=.5*(r-t),a=.5*(i-n),s=e*e;return(2*n-2*r+o+a)*(e*s)+(-3*n+3*r-2*o-a)*s+o*e+n}function ha(e,t,n,r){return function(e,t){const n=1-e;return n*n*t}(e,t)+function(e,t){return 2*(1-e)*e*t}(e,n)+function(e,t){return e*e*t}(e,r)}function fa(e,t,n,r,i){return function(e,t){const n=1-e;return n*n*n*t}(e,t)+function(e,t){const n=1-e;return 3*n*n*e*t}(e,n)+function(e,t){return 3*(1-e)*e*e*t}(e,r)+function(e,t){return e*e*e*t}(e,i)}class pa extends ia{constructor(e=new Te,t=new Te,n=new Te){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new Te){const n=t,r=this.v0,i=this.v1,o=this.v2;return n.set(ha(e,r.x,i.x,o.x),ha(e,r.y,i.y,o.y),ha(e,r.z,i.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}var ma=Object.freeze({__proto__:null,ArcCurve:class extends oa{constructor(e,t,n,r,i,o){super(e,t,n,n,r,i,o),this.isArcCurve=!0,this.type="ArcCurve"}},CatmullRomCurve3:class extends ia{constructor(e=[],t=!1,n="centripetal",r=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new Te){const n=t,r=this.points,i=r.length,o=(i-(this.closed?0:1))*e;let a,s,l=Math.floor(o),u=o-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/i)+1)*i:0===u&&l===i-1&&(l=i-2,u=1),this.closed||l>0?a=r[(l-1)%i]:(sa.subVectors(r[0],r[1]).add(r[0]),a=sa);const c=r[l%i],d=r[(l+1)%i];if(this.closed||l+2<i?s=r[(l+2)%i]:(sa.subVectors(r[i-1],r[i-2]).add(r[i-1]),s=sa),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(a.distanceToSquared(c),e),n=Math.pow(c.distanceToSquared(d),e),r=Math.pow(d.distanceToSquared(s),e);n<1e-4&&(n=1),t<1e-4&&(t=n),r<1e-4&&(r=n),la.initNonuniformCatmullRom(a.x,c.x,d.x,s.x,t,n,r),ua.initNonuniformCatmullRom(a.y,c.y,d.y,s.y,t,n,r),ca.initNonuniformCatmullRom(a.z,c.z,d.z,s.z,t,n,r)}else"catmullrom"===this.curveType&&(la.initCatmullRom(a.x,c.x,d.x,s.x,this.tension),ua.initCatmullRom(a.y,c.y,d.y,s.y,this.tension),ca.initCatmullRom(a.z,c.z,d.z,s.z,this.tension));return n.set(la.calc(u),ua.calc(u),ca.calc(u)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new Te).fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}},CubicBezierCurve:class extends ia{constructor(e=new ee,t=new ee,n=new ee,r=new ee){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new ee){const n=t,r=this.v0,i=this.v1,o=this.v2,a=this.v3;return n.set(fa(e,r.x,i.x,o.x,a.x),fa(e,r.y,i.y,o.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},CubicBezierCurve3:class extends ia{constructor(e=new Te,t=new Te,n=new Te,r=new Te){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new Te){const n=t,r=this.v0,i=this.v1,o=this.v2,a=this.v3;return n.set(fa(e,r.x,i.x,o.x,a.x),fa(e,r.y,i.y,o.y,a.y),fa(e,r.z,i.z,o.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},EllipseCurve:oa,LineCurve:class extends ia{constructor(e=new ee,t=new ee){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new ee){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const n=t||new ee;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},LineCurve3:class extends ia{constructor(e=new Te,t=new Te){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=e,this.v2=t}getPoint(e,t=new Te){const n=t;return 1===e?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},QuadraticBezierCurve:class extends ia{constructor(e=new ee,t=new ee,n=new ee){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new ee){const n=t,r=this.v0,i=this.v1,o=this.v2;return n.set(ha(e,r.x,i.x,o.x),ha(e,r.y,i.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},QuadraticBezierCurve3:pa,SplineCurve:class extends ia{constructor(e=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=e}getPoint(e,t=new ee){const n=t,r=this.points,i=(r.length-1)*e,o=Math.floor(i),a=i-o,s=r[0===o?o:o-1],l=r[o],u=r[o>r.length-2?r.length-1:o+1],c=r[o>r.length-3?r.length-1:o+2];return n.set(da(a,s.x,l.x,u.x,c.x),da(a,s.y,l.y,u.y,c.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push(n.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const n=e.points[t];this.points.push((new ee).fromArray(n))}return this}}});class ga extends tn{constructor(e=1,t=1,n=1,r=8,i=1,o=!1,a=0,s=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:r,heightSegments:i,openEnded:o,thetaStart:a,thetaLength:s};const l=this;r=Math.floor(r),i=Math.floor(i);const u=[],c=[],d=[],h=[];let f=0;const p=[],m=n/2;let g=0;function v(n){const i=f,o=new ee,p=new Te;let v=0;const y=!0===n?e:t,x=!0===n?1:-1;for(let e=1;e<=r;e++)c.push(0,m*x,0),d.push(0,x,0),h.push(.5,.5),f++;const b=f;for(let e=0;e<=r;e++){const t=e/r*s+a,n=Math.cos(t),i=Math.sin(t);p.x=y*i,p.y=m*x,p.z=y*n,c.push(p.x,p.y,p.z),d.push(0,x,0),o.x=.5*n+.5,o.y=.5*i*x+.5,h.push(o.x,o.y),f++}for(let e=0;e<r;e++){const t=i+e,r=b+e;!0===n?u.push(r,r+1,t):u.push(r+1,r,t),v+=3}l.addGroup(g,v,!0===n?1:2),g+=v}!function(){const o=new Te,v=new Te;let y=0;const x=(t-e)/n;for(let l=0;l<=i;l++){const u=[],g=l/i,y=g*(t-e)+e;for(let e=0;e<=r;e++){const t=e/r,i=t*s+a,l=Math.sin(i),p=Math.cos(i);v.x=y*l,v.y=-g*n+m,v.z=y*p,c.push(v.x,v.y,v.z),o.set(l,x,p).normalize(),d.push(o.x,o.y,o.z),h.push(t,1-g),u.push(f++)}p.push(u)}for(let e=0;e<r;e++)for(let t=0;t<i;t++){const n=p[t][e],r=p[t+1][e],i=p[t+1][e+1],o=p[t][e+1];u.push(n,r,o),u.push(r,i,o),y+=6}l.addGroup(g,y,0),g+=y}(),!1===o&&(e>0&&v(!0),t>0&&v(!1)),this.setIndex(u),this.setAttribute("position",new $t(c,3)),this.setAttribute("normal",new $t(d,3)),this.setAttribute("uv",new $t(h,2))}static fromJSON(e){return new ga(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class va extends tn{constructor(e=1,t=32,n=16,r=0,i=2*Math.PI,o=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:r,phiLength:i,thetaStart:o,thetaLength:a},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));const s=Math.min(o+a,Math.PI);let l=0;const u=[],c=new Te,d=new Te,h=[],f=[],p=[],m=[];for(let h=0;h<=n;h++){const g=[],v=h/n;let y=0;0==h&&0==o?y=.5/t:h==n&&s==Math.PI&&(y=-.5/t);for(let n=0;n<=t;n++){const s=n/t;c.x=-e*Math.cos(r+s*i)*Math.sin(o+v*a),c.y=e*Math.cos(o+v*a),c.z=e*Math.sin(r+s*i)*Math.sin(o+v*a),f.push(c.x,c.y,c.z),d.copy(c).normalize(),p.push(d.x,d.y,d.z),m.push(s+y,1-v),g.push(l++)}u.push(g)}for(let e=0;e<n;e++)for(let r=0;r<t;r++){const t=u[e][r+1],i=u[e][r],a=u[e+1][r],l=u[e+1][r+1];(0!==e||o>0)&&h.push(t,i,l),(e!==n-1||s<Math.PI)&&h.push(i,a,l)}this.setIndex(h),this.setAttribute("position",new $t(f,3)),this.setAttribute("normal",new $t(p,3)),this.setAttribute("uv",new $t(m,2))}static fromJSON(e){return new va(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class ya extends tn{constructor(e=new pa(new Te(-1,-1,0),new Te(-1,1,0),new Te(1,1,0)),t=64,n=1,r=8,i=!1){super(),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:r,closed:i};const o=e.computeFrenetFrames(t,i);this.tangents=o.tangents,this.normals=o.normals,this.binormals=o.binormals;const a=new Te,s=new Te,l=new ee;let u=new Te;const c=[],d=[],h=[],f=[];function p(i){u=e.getPointAt(i/t,u);const l=o.normals[i],h=o.binormals[i];for(let e=0;e<=r;e++){const t=e/r*Math.PI*2,i=Math.sin(t),o=-Math.cos(t);s.x=o*l.x+i*h.x,s.y=o*l.y+i*h.y,s.z=o*l.z+i*h.z,s.normalize(),d.push(s.x,s.y,s.z),a.x=u.x+n*s.x,a.y=u.y+n*s.y,a.z=u.z+n*s.z,c.push(a.x,a.y,a.z)}}!function(){for(let e=0;e<t;e++)p(e);p(!1===i?t:0),function(){for(let e=0;e<=t;e++)for(let n=0;n<=r;n++)l.x=e/t,l.y=n/r,h.push(l.x,l.y)}(),function(){for(let e=1;e<=t;e++)for(let t=1;t<=r;t++){const n=(r+1)*(e-1)+(t-1),i=(r+1)*e+(t-1),o=(r+1)*e+t,a=(r+1)*(e-1)+t;f.push(n,i,a),f.push(i,o,a)}}()}(),this.setIndex(f),this.setAttribute("position",new $t(c,3)),this.setAttribute("normal",new $t(d,3)),this.setAttribute("uv",new $t(h,2))}toJSON(){const e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new ya((new ma[e.path.type]).fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}}class xa extends Bt{constructor(e){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new pe(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new pe(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new ee(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class ba extends xa{constructor(e){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new ee(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return W(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new pe(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new pe(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new pe(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._iridescence=0,this._transmission=0,this.setValues(e)}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}function _a(e,t,n){return Sa(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)}function wa(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)}function Sa(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}function Ma(e){const t=e.length,n=new Array(t);for(let e=0;e!==t;++e)n[e]=e;return n.sort((function(t,n){return e[t]-e[n]})),n}function Ea(e,t,n){const r=e.length,i=new e.constructor(r);for(let o=0,a=0;a!==r;++o){const r=n[o]*t;for(let n=0;n!==t;++n)i[a++]=e[r+n]}return i}function Ta(e,t,n,r){let i=1,o=e[0];for(;void 0!==o&&void 0===o[r];)o=e[i++];if(void 0===o)return;let a=o[r];if(void 0!==a)if(Array.isArray(a))do{a=o[r],void 0!==a&&(t.push(o.time),n.push.apply(n,a)),o=e[i++]}while(void 0!==o);else if(void 0!==a.toArray)do{a=o[r],void 0!==a&&(t.push(o.time),a.toArray(n,n.length)),o=e[i++]}while(void 0!==o);else do{a=o[r],void 0!==a&&(t.push(o.time),n.push(a)),o=e[i++]}while(void 0!==o)}class Ca{constructor(e,t,n,r){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==r?r:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){const t=this.parameterPositions;let n=this._cachedIndex,r=t[n],i=t[n-1];e:{t:{let o;n:{r:if(!(e<r)){for(let o=n+2;;){if(void 0===r){if(e<i)break r;return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===o)break;if(i=r,r=t[++n],e<r)break t}o=t.length;break n}if(e>=i)break e;{const a=t[1];e<a&&(n=2,i=a);for(let o=n-2;;){if(void 0===i)return this._cachedIndex=0,this.copySampleValue_(0);if(n===o)break;if(r=i,i=t[--n-1],e>=i)break t}o=n,n=0}}for(;n<o;){const r=n+o>>>1;e<t[r]?o=r:n=r+1}if(r=t[n],i=t[n-1],void 0===i)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===r)return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,i,r)}return this.interpolate_(n,i,e,r)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r;for(let e=0;e!==r;++e)t[e]=n[i+e];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class Aa extends Ca{constructor(e,t,n,r){super(e,t,n,r),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:2400,endingEnd:2400}}intervalChanged_(e,t,n){const r=this.parameterPositions;let i=e-2,o=e+1,a=r[i],s=r[o];if(void 0===a)switch(this.getSettings_().endingStart){case 2401:i=e,a=2*t-n;break;case 2402:i=r.length-2,a=t+r[i]-r[i+1];break;default:i=e,a=n}if(void 0===s)switch(this.getSettings_().endingEnd){case 2401:o=e,s=2*n-t;break;case 2402:o=1,s=n+r[1]-r[0];break;default:o=e-1,s=t}const l=.5*(n-t),u=this.valueSize;this._weightPrev=l/(t-a),this._weightNext=l/(s-n),this._offsetPrev=i*u,this._offsetNext=o*u}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=e*a,l=s-a,u=this._offsetPrev,c=this._offsetNext,d=this._weightPrev,h=this._weightNext,f=(n-t)/(r-t),p=f*f,m=p*f,g=-d*m+2*d*p-d*f,v=(1+d)*m+(-1.5-2*d)*p+(-.5+d)*f+1,y=(-1-h)*m+(1.5+h)*p+.5*f,x=h*m-h*p;for(let e=0;e!==a;++e)i[e]=g*o[u+e]+v*o[l+e]+y*o[s+e]+x*o[c+e];return i}}class ka extends Ca{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=e*a,l=s-a,u=(n-t)/(r-t),c=1-u;for(let e=0;e!==a;++e)i[e]=o[l+e]*c+o[s+e]*u;return i}}class Pa extends Ca{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e){return this.copySampleValue_(e-1)}}class Ra{constructor(e,t,n,r){if(void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=wa(t,this.TimeBufferType),this.values=wa(n,this.ValueBufferType),this.setInterpolation(r||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:wa(e.times,Array),values:wa(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(n.interpolation=t)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Pa(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new ka(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new Aa(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case A:t=this.InterpolantFactoryMethodDiscrete;break;case k:t=this.InterpolantFactoryMethodLinear;break;case P:t=this.InterpolantFactoryMethodSmooth}if(void 0===t){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(t);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return A;case this.InterpolantFactoryMethodLinear:return k;case this.InterpolantFactoryMethodSmooth:return P}}getValueSize(){return this.values.length/this.times.length}shift(e){if(0!==e){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]+=e}return this}scale(e){if(1!==e){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]*=e}return this}trim(e,t){const n=this.times,r=n.length;let i=0,o=r-1;for(;i!==r&&n[i]<e;)++i;for(;-1!==o&&n[o]>t;)--o;if(++o,0!==i||o!==r){i>=o&&(o=Math.max(o,1),i=o-1);const e=this.getValueSize();this.times=_a(n,i,o),this.values=_a(this.values,i*e,o*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,r=this.values,i=n.length;0===i&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let o=null;for(let t=0;t!==i;t++){const r=n[t];if("number"==typeof r&&isNaN(r)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,t,r),e=!1;break}if(null!==o&&o>r){console.error("THREE.KeyframeTrack: Out of order keys.",this,t,r,o),e=!1;break}o=r}if(void 0!==r&&Sa(r))for(let t=0,n=r.length;t!==n;++t){const n=r[t];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,t,n),e=!1;break}}return e}optimize(){const e=_a(this.times),t=_a(this.values),n=this.getValueSize(),r=this.getInterpolation()===P,i=e.length-1;let o=1;for(let a=1;a<i;++a){let i=!1;const s=e[a];if(s!==e[a+1]&&(1!==a||s!==e[0]))if(r)i=!0;else{const e=a*n,r=e-n,o=e+n;for(let a=0;a!==n;++a){const n=t[e+a];if(n!==t[r+a]||n!==t[o+a]){i=!0;break}}}if(i){if(a!==o){e[o]=e[a];const r=a*n,i=o*n;for(let e=0;e!==n;++e)t[i+e]=t[r+e]}++o}}if(i>0){e[o]=e[i];for(let e=i*n,r=o*n,a=0;a!==n;++a)t[r+a]=t[e+a];++o}return o!==e.length?(this.times=_a(e,0,o),this.values=_a(t,0,o*n)):(this.times=e,this.values=t),this}clone(){const e=_a(this.times,0),t=_a(this.values,0),n=new(0,this.constructor)(this.name,e,t);return n.createInterpolant=this.createInterpolant,n}}Ra.prototype.TimeBufferType=Float32Array,Ra.prototype.ValueBufferType=Float32Array,Ra.prototype.DefaultInterpolation=k;class La extends Ra{}La.prototype.ValueTypeName="bool",La.prototype.ValueBufferType=Array,La.prototype.DefaultInterpolation=A,La.prototype.InterpolantFactoryMethodLinear=void 0,La.prototype.InterpolantFactoryMethodSmooth=void 0;class Ia extends Ra{}Ia.prototype.ValueTypeName="color";class Na extends Ra{}Na.prototype.ValueTypeName="number";class Oa extends Ca{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){const 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e=0;for(let t=0,n=this.tracks.length;t!==n;++t){const n=this.tracks[t];e=Math.max(e,n.times[n.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function Ba(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=function(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Na;case"vector":case"vector2":case"vector3":case"vector4":return Ua;case"color":return Ia;case"quaternion":return Da;case"bool":case"boolean":return La;case"string":return za}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}(e.type);if(void 0===e.times){const t=[],n=[];Ta(e.keys,t,n,"value"),e.times=t,e.values=n}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const Ha={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Va{constructor(e,t,n){const r=this;let i,o=!1,a=0,s=0;const l=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=n,this.itemStart=function(e){s++,!1===o&&void 0!==r.onStart&&r.onStart(e,a,s),o=!0},this.itemEnd=function(e){a++,void 0!==r.onProgress&&r.onProgress(e,a,s),a===s&&(o=!1,void 0!==r.onLoad&&r.onLoad())},this.itemError=function(e){void 0!==r.onError&&r.onError(e)},this.resolveURL=function(e){return i?i(e):e},this.setURLModifier=function(e){return i=e,this},this.addHandler=function(e,t){return l.push(e,t),this},this.removeHandler=function(e){const t=l.indexOf(e);return-1!==t&&l.splice(t,2),this},this.getHandler=function(e){for(let t=0,n=l.length;t<n;t+=2){const n=l[t],r=l[t+1];if(n.global&&(n.lastIndex=0),n.test(e))return r}return null}}}const ja=new Va;class Ga{constructor(e){this.manager=void 0!==e?e:ja,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const n=this;return new Promise((function(r,i){n.load(e,r,t,i)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const Wa={};class Xa extends Error{constructor(e,t){super(e),this.response=t}}class $a extends Ga{constructor(e){super(e)}load(e,t,n,r){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=Ha.get(e);if(void 0!==i)return this.manager.itemStart(e),setTimeout((()=>{t&&t(i),this.manager.itemEnd(e)}),0),i;if(void 0!==Wa[e])return void Wa[e].push({onLoad:t,onProgress:n,onError:r});Wa[e]=[],Wa[e].push({onLoad:t,onProgress:n,onError:r});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,s=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body||void 0===t.body.getReader)return t;const n=Wa[e],r=t.body.getReader(),i=t.headers.get("Content-Length"),o=i?parseInt(i):0,a=0!==o;let s=0;const l=new ReadableStream({start(e){!function t(){r.read().then((({done:r,value:i})=>{if(r)e.close();else{s+=i.byteLength;const r=new ProgressEvent("progress",{lengthComputable:a,loaded:s,total:o});for(let e=0,t=n.length;e<t;e++){const t=n[e];t.onProgress&&t.onProgress(r)}e.enqueue(i),t()}}))}()}});return new Response(l)}throw new Xa(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`,t)})).then((e=>{switch(s){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,a)));case"json":return e.json();default:if(void 0===a)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(a),n=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(n);return e.arrayBuffer().then((e=>r.decode(e)))}}})).then((t=>{Ha.add(e,t);const n=Wa[e];delete Wa[e];for(let e=0,r=n.length;e<r;e++){const r=n[e];r.onLoad&&r.onLoad(t)}})).catch((t=>{const n=Wa[e];if(void 0===n)throw this.manager.itemError(e),t;delete Wa[e];for(let e=0,r=n.length;e<r;e++){const r=n[e];r.onError&&r.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class qa extends Ga{constructor(e){super(e)}load(e,t,n,r){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,o=Ha.get(e);if(void 0!==o)return i.manager.itemStart(e),setTimeout((function(){t&&t(o),i.manager.itemEnd(e)}),0),o;const a=re("img");function s(){u(),Ha.add(e,this),t&&t(this),i.manager.itemEnd(e)}function l(t){u(),r&&r(t),i.manager.itemError(e),i.manager.itemEnd(e)}function u(){a.removeEventListener("load",s,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",s,!1),a.addEventListener("error",l,!1),"data:"!==e.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),i.manager.itemStart(e),a.src=e,a}}class Ya extends Ga{constructor(e){super(e)}load(e,t,n,r){const i=new be,o=new qa(this.manager);return o.setCrossOrigin(this.crossOrigin),o.setPath(this.path),o.load(e,(function(e){i.image=e,i.needsUpdate=!0,void 0!==t&&t(i)}),n,r),i}}class Za extends Ct{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new pe(e),this.intensity=t}dispose(){}copy(e,t){return super.copy(e,t),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}const Ka=new nt,Ja=new Te,Qa=new Te;class es{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new ee(512,512),this.map=null,this.mapPass=null,this.matrix=new nt,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Fn,this._frameExtents=new ee(1,1),this._viewportCount=1,this._viewports=[new _e(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;Ja.setFromMatrixPosition(e.matrixWorld),t.position.copy(Ja),Qa.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Qa),t.updateMatrixWorld(),Ka.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ka),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(Ka)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class ts extends es{constructor(){super(new An(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(e){const t=this.camera,n=2*j*e.angle*this.focus,r=this.mapSize.width/this.mapSize.height,i=e.distance||t.far;n===t.fov&&r===t.aspect&&i===t.far||(t.fov=n,t.aspect=r,t.far=i,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class ns extends Za{constructor(e,t,n=0,r=Math.PI/3,i=0,o=1){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Ct.DefaultUp),this.updateMatrix(),this.target=new Ct,this.distance=n,this.angle=r,this.penumbra=i,this.decay=o,this.map=null,this.shadow=new ts}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}const rs=new nt,is=new Te,os=new Te;class as extends es{constructor(){super(new An(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new ee(4,2),this._viewportCount=6,this._viewports=[new _e(2,1,1,1),new _e(0,1,1,1),new _e(3,1,1,1),new _e(1,1,1,1),new _e(3,0,1,1),new _e(1,0,1,1)],this._cubeDirections=[new Te(1,0,0),new Te(-1,0,0),new Te(0,0,1),new Te(0,0,-1),new Te(0,1,0),new Te(0,-1,0)],this._cubeUps=[new Te(0,1,0),new Te(0,1,0),new Te(0,1,0),new Te(0,1,0),new Te(0,0,1),new Te(0,0,-1)]}updateMatrices(e,t=0){const n=this.camera,r=this.matrix,i=e.distance||n.far;i!==n.far&&(n.far=i,n.updateProjectionMatrix()),is.setFromMatrixPosition(e.matrixWorld),n.position.copy(is),os.copy(n.position),os.add(this._cubeDirections[t]),n.up.copy(this._cubeUps[t]),n.lookAt(os),n.updateMatrixWorld(),r.makeTranslation(-is.x,-is.y,-is.z),rs.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(rs)}}class ss extends Za{constructor(e,t,n=0,r=1){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=r,this.shadow=new as}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}class ls extends es{constructor(){super(new Jn(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class us extends Za{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Ct.DefaultUp),this.updateMatrix(),this.target=new Ct,this.shadow=new ls}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}class cs{static decodeText(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let n=0,r=e.length;n<r;n++)t+=String.fromCharCode(e[n]);try{return decodeURIComponent(escape(t))}catch(e){return t}}static extractUrlBase(e){const t=e.lastIndexOf("/");return-1===t?"./":e.slice(0,t+1)}static resolveURL(e,t){return"string"!=typeof e||""===e?"":(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e)?e:t+e)}}class ds extends tn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}clone(){return(new this.constructor).copy(this)}toJSON(){const e=super.toJSON(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}class hs extends Ga{constructor(e){super(e),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,n,r){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,o=Ha.get(e);if(void 0!==o)return i.manager.itemStart(e),setTimeout((function(){t&&t(o),i.manager.itemEnd(e)}),0),o;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(e,a).then((function(e){return e.blob()})).then((function(e){return createImageBitmap(e,Object.assign(i.options,{colorSpaceConversion:"none"}))})).then((function(n){Ha.add(e,n),t&&t(n),i.manager.itemEnd(e)})).catch((function(t){r&&r(t),i.manager.itemError(e),i.manager.itemEnd(e)})),i.manager.itemStart(e)}}const fs=new RegExp("[\\[\\]\\.:\\/]","g"),ps="[^\\[\\]\\.:\\/]",ms="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",gs=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",ps)+/(WCOD+)?/.source.replace("WCOD",ms)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",ps)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",ps)+"$"),vs=["material","materials","bones","map"];class ys{constructor(e,t,n){this.path=t,this.parsedPath=n||ys.parseTrackName(t),this.node=ys.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new ys.Composite(e,t,n):new ys(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(fs,"")}static parseTrackName(e){const t=gs.exec(e);if(null===t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},r=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==r&&-1!==r){const e=n.nodeName.substring(r+1);-1!==vs.indexOf(e)&&(n.nodeName=n.nodeName.substring(0,r),n.objectName=e)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(void 0===t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(void 0!==n)return n}if(e.children){const n=function(e){for(let r=0;r<e.length;r++){const i=e[r];if(i.name===t||i.uuid===t)return i;const o=n(i.children);if(o)return o}return null},r=n(e.children);if(r)return r}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){const n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)e[t++]=n[r]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){const n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){const n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node;const t=this.parsedPath,n=t.objectName,r=t.propertyName;let i=t.propertyIndex;if(e||(e=ys.findNode(this.rootNode,t.nodeName)||this.rootNode,this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(n){let r=t.objectIndex;switch(n){case"materials":if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);e=e.material.materials;break;case"bones":if(!e.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===r){r=t;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.map)return void console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);e=e.material.map;break;default:if(void 0===e[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);e=e[n]}if(void 0!==r){if(void 0===e[r])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);e=e[r]}}const o=e[r];if(void 0===o){const n=t.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+r+" but it wasn't found.",e)}let a=this.Versioning.None;this.targetObject=e,void 0!==e.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==e.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let s=this.BindingType.Direct;if(void 0!==i){if("morphTargetInfluences"===r){if(!e.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!e.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==e.morphTargetDictionary[i]&&(i=e.morphTargetDictionary[i])}s=this.BindingType.ArrayElement,this.resolvedProperty=o,this.propertyIndex=i}else void 0!==o.fromArray&&void 0!==o.toArray?(s=this.BindingType.HasFromToArray,this.resolvedProperty=o):Array.isArray(o)?(s=this.BindingType.EntireArray,this.resolvedProperty=o):this.propertyName=r;this.getValue=this.GetterByBindingType[s],this.setValue=this.SetterByBindingTypeAndVersioning[s][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}ys.Composite=class{constructor(e,t,n){const r=n||ys.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,r)}getValue(e,t){this.bind();const n=this._targetGroup.nCachedObjects_,r=this._bindings[n];void 0!==r&&r.getValue(e,t)}setValue(e,t){const n=this._bindings;for(let r=this._targetGroup.nCachedObjects_,i=n.length;r!==i;++r)n[r].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},ys.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},ys.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},ys.prototype.GetterByBindingType=[ys.prototype._getValue_direct,ys.prototype._getValue_array,ys.prototype._getValue_arrayElement,ys.prototype._getValue_toArray],ys.prototype.SetterByBindingTypeAndVersioning=[[ys.prototype._setValue_direct,ys.prototype._setValue_direct_setNeedsUpdate,ys.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[ys.prototype._setValue_array,ys.prototype._setValue_array_setNeedsUpdate,ys.prototype._setValue_array_setMatrixWorldNeedsUpdate],[ys.prototype._setValue_arrayElement,ys.prototype._setValue_arrayElement_setNeedsUpdate,ys.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[ys.prototype._setValue_fromArray,ys.prototype._setValue_fromArray_setNeedsUpdate,ys.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]],new 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c=Math.sqrt(u);return[(c-a)/l,-(a+c)/l].filter((function(e){return 0<=e&&e<=1}))},bboxoverlap:function(e,t){const n=["x","y"],r=n.length;for(let i,o,a,s,l=0;l<r;l++)if(i=n[l],o=e[i].mid,a=t[i].mid,s=(e[i].size+t[i].size)/2,Ov(o-a)>=s)return!1;return!0},expandbox:function(e,t){t.x.min<e.x.min&&(e.x.min=t.x.min),t.y.min<e.y.min&&(e.y.min=t.y.min),t.z&&t.z.min<e.z.min&&(e.z.min=t.z.min),t.x.max>e.x.max&&(e.x.max=t.x.max),t.y.max>e.y.max&&(e.y.max=t.y.max),t.z&&t.z.max>e.z.max&&(e.z.max=t.z.max),e.x.mid=(e.x.min+e.x.max)/2,e.y.mid=(e.y.min+e.y.max)/2,e.z&&(e.z.mid=(e.z.min+e.z.max)/2),e.x.size=e.x.max-e.x.min,e.y.size=e.y.max-e.y.min,e.z&&(e.z.size=e.z.max-e.z.min)},pairiteration:function(e,t,n){const r=e.bbox(),i=t.bbox(),o=1e5,a=n||.5;if(r.x.size+r.y.size<a&&i.x.size+i.y.size<a)return[(o*(e._t1+e._t2)/2|0)/o+"/"+(o*(t._t1+t._t2)/2|0)/o];let s=e.split(.5),l=t.split(.5),u=[{left:s.left,right:l.left},{left:s.left,right:l.right},{left:s.right,right:l.right},{left:s.right,right:l.left}];u=u.filter((function(e){return Yv.bboxoverlap(e.left.bbox(),e.right.bbox())}));let c=[];return 0===u.length||(u.forEach((function(e){c=c.concat(Yv.pairiteration(e.left,e.right,a))})),c=c.filter((function(e,t){return c.indexOf(e)===t}))),c},getccenter:function(e,t,n){const r=t.x-e.x,i=t.y-e.y,o=n.x-t.x,a=n.y-t.y,s=r*Dv(Wv)-i*zv(Wv),l=r*zv(Wv)+i*Dv(Wv),u=o*Dv(Wv)-a*zv(Wv),c=o*zv(Wv)+a*Dv(Wv),d=(e.x+t.x)/2,h=(e.y+t.y)/2,f=(t.x+n.x)/2,p=(t.y+n.y)/2,m=d+s,g=h+l,v=f+u,y=p+c,x=Yv.lli8(d,h,m,g,f,p,v,y),b=Yv.dist(x,e);let _,w=Fv(e.y-x.y,e.x-x.x),S=Fv(t.y-x.y,t.x-x.x),M=Fv(n.y-x.y,n.x-x.x);return w<M?((w>S||S>M)&&(w+=Gv),w>M&&(_=M,M=w,w=_)):M<S&&S<w?(_=M,M=w,w=_):M+=Gv,x.s=w,x.e=M,x.r=b,x},numberSort:function(e,t){return e-t}};class Zv{constructor(e){this.curves=[],this._3d=!1,e&&(this.curves=e,this._3d=this.curves[0]._3d)}valueOf(){return this.toString()}toString(){return"["+this.curves.map((function(e){return Yv.pointsToString(e.points)})).join(", ")+"]"}addCurve(e){this.curves.push(e),this._3d=this._3d||e._3d}length(){return this.curves.map((function(e){return e.length()})).reduce((function(e,t){return e+t}))}curve(e){return this.curves[e]}bbox(){const e=this.curves;for(var t=e[0].bbox(),n=1;n<e.length;n++)Yv.expandbox(t,e[n].bbox());return t}offset(e){const t=[];return this.curves.forEach((function(n){t.push(...n.offset(e))})),new Zv(t)}}const{abs:Kv,min:Jv,max:Qv,cos:ey,sin:ty,acos:ny,sqrt:ry}=Math,iy=Math.PI;class oy{constructor(e){let t=e&&e.forEach?e:Array.from(arguments).slice(),n=!1;if("object"==typeof t[0]){n=t.length;const e=[];t.forEach((function(t){["x","y","z"].forEach((function(n){void 0!==t[n]&&e.push(t[n])}))})),t=e}let r=!1;const i=t.length;if(n){if(n>4){if(1!==arguments.length)throw new Error("Only new Bezier(point[]) is accepted for 4th and higher order curves");r=!0}}else if(6!==i&&8!==i&&9!==i&&12!==i&&1!==arguments.length)throw new Error("Only new Bezier(point[]) is accepted for 4th and higher order curves");const o=this._3d=!r&&(9===i||12===i)||e&&e[0]&&void 0!==e[0].z,a=this.points=[];for(let e=0,n=o?3:2;e<i;e+=n){var s={x:t[e],y:t[e+1]};o&&(s.z=t[e+2]),a.push(s)}const l=this.order=a.length-1,u=this.dims=["x","y"];o&&u.push("z"),this.dimlen=u.length;const c=Yv.align(a,{p1:a[0],p2:a[l]}),d=Yv.dist(a[0],a[l]);this._linear=c.reduce(((e,t)=>e+Kv(t.y)),0)<d/50,this._lut=[],this._t1=0,this._t2=1,this.update()}static quadraticFromPoints(e,t,n,r){if(void 0===r&&(r=.5),0===r)return new oy(t,t,n);if(1===r)return new oy(e,t,t);const i=oy.getABC(2,e,t,n,r);return new oy(e,i.A,n)}static cubicFromPoints(e,t,n,r,i){void 0===r&&(r=.5);const o=oy.getABC(3,e,t,n,r);void 0===i&&(i=Yv.dist(t,o.C));const a=i*(1-r)/r,s=Yv.dist(e,n),l=(n.x-e.x)/s,u=(n.y-e.y)/s,c=i*l,d=i*u,h=a*l,f=a*u,p=t.x-c,m=t.y-d,g=t.x+h,v=t.y+f,y=o.A,x=y.x+(p-y.x)/(1-r),b=y.y+(m-y.y)/(1-r),_=y.x+(g-y.x)/r,w=y.y+(v-y.y)/r,S={x:e.x+(x-e.x)/r,y:e.y+(b-e.y)/r},M={x:n.x+(_-n.x)/(1-r),y:n.y+(w-n.y)/(1-r)};return new oy(e,S,M,n)}static getUtils(){return Yv}getUtils(){return oy.getUtils()}static get PolyBezier(){return Zv}valueOf(){return this.toString()}toString(){return Yv.pointsToString(this.points)}toSVG(){if(this._3d)return!1;const e=this.points,t=["M",e[0].x,e[0].y,2===this.order?"Q":"C"];for(let n=1,r=e.length;n<r;n++)t.push(e[n].x),t.push(e[n].y);return t.join(" ")}setRatios(e){if(e.length!==this.points.length)throw new Error("incorrect number of ratio values");this.ratios=e,this._lut=[]}verify(){const e=this.coordDigest();e!==this._print&&(this._print=e,this.update())}coordDigest(){return this.points.map((function(e,t){return""+t+e.x+e.y+(e.z?e.z:0)})).join("")}update(){this._lut=[],this.dpoints=Yv.derive(this.points,this._3d),this.computedirection()}computedirection(){const e=this.points,t=Yv.angle(e[0],e[this.order],e[1]);this.clockwise=t>0}length(){return Yv.length(this.derivative.bind(this))}static getABC(e=2,t,n,r,i=.5){const o=Yv.projectionratio(i,e),a=1-o,s={x:o*t.x+a*r.x,y:o*t.y+a*r.y},l=Yv.abcratio(i,e);return{A:{x:n.x+(n.x-s.x)/l,y:n.y+(n.y-s.y)/l},B:n,C:s,S:t,E:r}}getABC(e,t){t=t||this.get(e);let n=this.points[0],r=this.points[this.order];return oy.getABC(this.order,n,t,r,e)}getLUT(e){if(this.verify(),e=e||100,this._lut.length===e)return this._lut;this._lut=[],e++,this._lut=[];for(let t,n,r=0;r<e;r++)n=r/(e-1),t=this.compute(n),t.t=n,this._lut.push(t);return this._lut}on(e,n){n=n||5;const r=this.getLUT(),i=[];for(let t,o=0,a=0;o<r.length;o++)t=r[o],Yv.dist(t,e)<n&&(i.push(t),a+=o/r.length);return!!i.length&&(t/=i.length)}project(e){const t=this.getLUT(),n=t.length-1,r=Yv.closest(t,e),i=r.mpos,o=(i-1)/n,a=(i+1)/n,s=.1/n;let l,u,c=r.mdist,d=o,h=d;for(c+=1;d<a+s;d+=s)l=this.compute(d),u=Yv.dist(e,l),u<c&&(c=u,h=d);return h=h<0?0:h>1?1:h,l=this.compute(h),l.t=h,l.d=c,l}get(e){return this.compute(e)}point(e){return this.points[e]}compute(e){return this.ratios?Yv.computeWithRatios(e,this.points,this.ratios,this._3d):Yv.compute(e,this.points,this._3d,this.ratios)}raise(){const e=this.points,t=[e[0]],n=e.length;for(let r,i,o=1;o<n;o++)r=e[o],i=e[o-1],t[o]={x:(n-o)/n*r.x+o/n*i.x,y:(n-o)/n*r.y+o/n*i.y};return t[n]=e[n-1],new oy(t)}derivative(e){return Yv.compute(e,this.dpoints[0],this._3d)}dderivative(e){return Yv.compute(e,this.dpoints[1],this._3d)}align(){let e=this.points;return new oy(Yv.align(e,{p1:e[0],p2:e[e.length-1]}))}curvature(e){return Yv.curvature(e,this.dpoints[0],this.dpoints[1],this._3d)}inflections(){return Yv.inflections(this.points)}normal(e){return this._3d?this.__normal3(e):this.__normal2(e)}__normal2(e){const t=this.derivative(e),n=ry(t.x*t.x+t.y*t.y);return{t:e,x:-t.y/n,y:t.x/n}}__normal3(e){const t=this.derivative(e),n=this.derivative(e+.01),r=ry(t.x*t.x+t.y*t.y+t.z*t.z),i=ry(n.x*n.x+n.y*n.y+n.z*n.z);t.x/=r,t.y/=r,t.z/=r,n.x/=i,n.y/=i,n.z/=i;const o={x:n.y*t.z-n.z*t.y,y:n.z*t.x-n.x*t.z,z:n.x*t.y-n.y*t.x},a=ry(o.x*o.x+o.y*o.y+o.z*o.z);o.x/=a,o.y/=a,o.z/=a;const s=[o.x*o.x,o.x*o.y-o.z,o.x*o.z+o.y,o.x*o.y+o.z,o.y*o.y,o.y*o.z-o.x,o.x*o.z-o.y,o.y*o.z+o.x,o.z*o.z];return{t:e,x:s[0]*t.x+s[1]*t.y+s[2]*t.z,y:s[3]*t.x+s[4]*t.y+s[5]*t.z,z:s[6]*t.x+s[7]*t.y+s[8]*t.z}}hull(e){let t=this.points,n=[],r=[],i=0;for(r[i++]=t[0],r[i++]=t[1],r[i++]=t[2],3===this.order&&(r[i++]=t[3]);t.length>1;){n=[];for(let o,a=0,s=t.length-1;a<s;a++)o=Yv.lerp(e,t[a],t[a+1]),r[i++]=o,n.push(o);t=n}return r}split(e,t){if(0===e&&t)return this.split(t).left;if(1===t)return this.split(e).right;const n=this.hull(e),r={left:2===this.order?new oy([n[0],n[3],n[5]]):new oy([n[0],n[4],n[7],n[9]]),right:2===this.order?new oy([n[5],n[4],n[2]]):new oy([n[9],n[8],n[6],n[3]]),span:n};return r.left._t1=Yv.map(0,0,1,this._t1,this._t2),r.left._t2=Yv.map(e,0,1,this._t1,this._t2),r.right._t1=Yv.map(e,0,1,this._t1,this._t2),r.right._t2=Yv.map(1,0,1,this._t1,this._t2),t?(t=Yv.map(t,e,1,0,1),r.right.split(t).left):r}extrema(){const e={};let t=[];return this.dims.forEach(function(n){let r=function(e){return e[n]},i=this.dpoints[0].map(r);e[n]=Yv.droots(i),3===this.order&&(i=this.dpoints[1].map(r),e[n]=e[n].concat(Yv.droots(i))),e[n]=e[n].filter((function(e){return e>=0&&e<=1})),t=t.concat(e[n].sort(Yv.numberSort))}.bind(this)),e.values=t.sort(Yv.numberSort).filter((function(e,n){return t.indexOf(e)===n})),e}bbox(){const e=this.extrema(),t={};return this.dims.forEach(function(n){t[n]=Yv.getminmax(this,n,e[n])}.bind(this)),t}overlaps(e){const t=this.bbox(),n=e.bbox();return Yv.bboxoverlap(t,n)}offset(e,t){if(void 0!==t){const 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ab{constructor(e){this.parser=e,this.name=Zx.KHR_MATERIALS_SPECULAR}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?ba:null}extendMaterialParams(e,t){const n=this.parser,r=n.json.materials[e];if(!r.extensions||!r.extensions[this.name])return Promise.resolve();const i=[],o=r.extensions[this.name];t.specularIntensity=void 0!==o.specularFactor?o.specularFactor:1,void 0!==o.specularTexture&&i.push(n.assignTexture(t,"specularIntensityMap",o.specularTexture));const a=o.specularColorFactor||[1,1,1];return t.specularColor=new pe(a[0],a[1],a[2]),void 0!==o.specularColorTexture&&i.push(n.assignTexture(t,"specularColorMap",o.specularColorTexture,L)),Promise.all(i)}}class sb{constructor(e){this.parser=e,this.name=Zx.KHR_TEXTURE_BASISU}loadTexture(e){const t=this.parser,n=t.json,r=n.textures[e];if(!r.extensions||!r.extensions[this.name])return null;const i=r.extensions[this.name],o=t.options.ktx2Loader;if(!o){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return t.loadTextureImage(e,i.source,o)}}class lb{constructor(e){this.parser=e,this.name=Zx.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(e){const t=this.name,n=this.parser,r=n.json,i=r.textures[e];if(!i.extensions||!i.extensions[t])return null;const o=i.extensions[t],a=r.images[o.source];let s=n.textureLoader;if(a.uri){const e=n.options.manager.getHandler(a.uri);null!==e&&(s=e)}return this.detectSupport().then((function(i){if(i)return n.loadTextureImage(e,o.source,s);if(r.extensionsRequired&&r.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class ub{constructor(e){this.name=Zx.EXT_MESHOPT_COMPRESSION,this.parser=e}loadBufferView(e){const t=this.parser.json,n=t.bufferViews[e];if(n.extensions&&n.extensions[this.name]){const e=n.extensions[this.name],r=this.parser.getDependency("buffer",e.buffer),i=this.parser.options.meshoptDecoder;if(!i||!i.supported){if(t.extensionsRequired&&t.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return r.then((function(t){const n=e.byteOffset||0,r=e.byteLength||0,o=e.count,a=e.byteStride,s=new Uint8Array(t,n,r);return i.decodeGltfBufferAsync?i.decodeGltfBufferAsync(o,a,s,e.mode,e.filter).then((function(e){return e.buffer})):i.ready.then((function(){const t=new ArrayBuffer(o*a);return i.decodeGltfBuffer(new Uint8Array(t),o,a,s,e.mode,e.filter),t}))}))}return null}}class cb{constructor(e){this.name=Zx.EXT_MESH_GPU_INSTANCING,this.parser=e}createNodeMesh(e){const t=this.parser.json,n=t.nodes[e];if(!n.extensions||!n.extensions[this.name]||void 0===n.mesh)return null;const r=t.meshes[n.mesh];for(const e of r.primitives)if(e.mode!==_b.TRIANGLES&&e.mode!==_b.TRIANGLE_STRIP&&e.mode!==_b.TRIANGLE_FAN&&void 0!==e.mode)return null;const i=n.extensions[this.name].attributes,o=[],a={};for(const e in i)o.push(this.parser.getDependency("accessor",i[e]).then((t=>(a[e]=t,a[e]))));return o.length<1?null:(o.push(this.parser.createNodeMesh(e)),Promise.all(o).then((e=>{const t=e.pop(),n=t.isGroup?t.children:[t],r=e[0].count,i=[];for(const e of n){const t=new nt,n=new Te,o=new Ee,s=new Te(1,1,1),l=new Fo(e.geometry,e.material,r);for(let e=0;e<r;e++)a.TRANSLATION&&n.fromBufferAttribute(a.TRANSLATION,e),a.ROTATION&&o.fromBufferAttribute(a.ROTATION,e),a.SCALE&&s.fromBufferAttribute(a.SCALE,e),l.setMatrixAt(e,t.compose(n,o,s));for(const t in a)"TRANSLATION"!==t&&"ROTATION"!==t&&"SCALE"!==t&&e.geometry.setAttribute(t,a[t]);Ct.prototype.copy.call(l,e),l.frustumCulled=!1,this.parser.assignFinalMaterial(l),i.push(l)}return t.isGroup?(t.clear(),t.add(...i),t):i[0]})))}}const db="glTF";class hb{constructor(e){this.name=Zx.KHR_BINARY_GLTF,this.content=null,this.body=null;const t=new DataView(e,0,12);if(this.header={magic:cs.decodeText(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==db)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,r=new DataView(e,12);let i=0;for(;i<n;){const t=r.getUint32(i,!0);i+=4;const n=r.getUint32(i,!0);if(i+=4,1313821514===n){const n=new Uint8Array(e,12+i,t);this.content=cs.decodeText(n)}else if(5130562===n){const n=12+i;this.body=e.slice(n,n+t)}i+=t}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class fb{constructor(e,t){if(!t)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=Zx.KHR_DRACO_MESH_COMPRESSION,this.json=e,this.dracoLoader=t,this.dracoLoader.preload()}decodePrimitive(e,t){const n=this.json,r=this.dracoLoader,i=e.extensions[this.name].bufferView,o=e.extensions[this.name].attributes,a={},s={},l={};for(const e in o){const t=Tb[e]||e.toLowerCase();a[t]=o[e]}for(const t in e.attributes){const r=Tb[t]||t.toLowerCase();if(void 0!==o[t]){const i=n.accessors[e.attributes[t]],o=wb[i.componentType];l[r]=o.name,s[r]=!0===i.normalized}}return t.getDependency("bufferView",i).then((function(e){return new Promise((function(t){r.decodeDracoFile(e,(function(e){for(const t in e.attributes){const n=e.attributes[t],r=s[t];void 0!==r&&(n.normalized=r)}t(e)}),a,l)}))}))}}class pb{constructor(){this.name=Zx.KHR_TEXTURE_TRANSFORM}extendTexture(e,t){return void 0!==t.texCoord&&console.warn('THREE.GLTFLoader: Custom UV sets in "'+this.name+'" extension not yet supported.'),void 0===t.offset&&void 0===t.rotation&&void 0===t.scale||(e=e.clone(),void 0!==t.offset&&e.offset.fromArray(t.offset),void 0!==t.rotation&&(e.rotation=t.rotation),void 0!==t.scale&&e.repeat.fromArray(t.scale),e.needsUpdate=!0),e}}class mb extends xa{constructor(e){super(),this.isGLTFSpecularGlossinessMaterial=!0;const t=["#ifdef USE_SPECULARMAP","\tuniform sampler2D specularMap;","#endif"].join("\n"),n=["#ifdef USE_GLOSSINESSMAP","\tuniform sampler2D glossinessMap;","#endif"].join("\n"),r=["vec3 specularFactor = specular;","#ifdef USE_SPECULARMAP","\tvec4 texelSpecular = texture2D( specularMap, vUv );","\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture","\tspecularFactor *= texelSpecular.rgb;","#endif"].join("\n"),i=["float glossinessFactor = glossiness;","#ifdef USE_GLOSSINESSMAP","\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );","\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture","\tglossinessFactor *= texelGlossiness.a;","#endif"].join("\n"),o=["PhysicalMaterial material;","material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );","vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );","float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );","material.roughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.","material.roughness += geometryRoughness;","material.roughness = min( material.roughness, 1.0 );","material.specularColor = specularFactor;"].join("\n"),a={specular:{value:(new pe).setHex(16777215)},glossiness:{value:1},specularMap:{value:null},glossinessMap:{value:null}};this._extraUniforms=a,this.onBeforeCompile=function(e){for(const t in a)e.uniforms[t]=a[t];e.fragmentShader=e.fragmentShader.replace("uniform float roughness;","uniform vec3 specular;").replace("uniform float metalness;","uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>",t).replace("#include <metalnessmap_pars_fragment>",n).replace("#include <roughnessmap_fragment>",r).replace("#include <metalnessmap_fragment>",i).replace("#include <lights_physical_fragment>",o)},Object.defineProperties(this,{specular:{get:function(){return a.specular.value},set:function(e){a.specular.value=e}},specularMap:{get:function(){return a.specularMap.value},set:function(e){a.specularMap.value=e,e?this.defines.USE_SPECULARMAP="":delete this.defines.USE_SPECULARMAP}},glossiness:{get:function(){return a.glossiness.value},set:function(e){a.glossiness.value=e}},glossinessMap:{get:function(){return a.glossinessMap.value},set:function(e){a.glossinessMap.value=e,e?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_UV=""):(delete this.defines.USE_GLOSSINESSMAP,delete this.defines.USE_UV)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(e)}copy(e){return super.copy(e),this.specularMap=e.specularMap,this.specular.copy(e.specular),this.glossinessMap=e.glossinessMap,this.glossiness=e.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this}}class gb{constructor(){this.name=Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,this.specularGlossinessParams=["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity"]}getMaterialType(){return mb}extendParams(e,t,n){const r=t.extensions[this.name];e.color=new pe(1,1,1),e.opacity=1;const i=[];if(Array.isArray(r.diffuseFactor)){const t=r.diffuseFactor;e.color.fromArray(t),e.opacity=t[3]}if(void 0!==r.diffuseTexture&&i.push(n.assignTexture(e,"map",r.diffuseTexture,L)),e.emissive=new pe(0,0,0),e.glossiness=void 0!==r.glossinessFactor?r.glossinessFactor:1,e.specular=new pe(1,1,1),Array.isArray(r.specularFactor)&&e.specular.fromArray(r.specularFactor),void 0!==r.specularGlossinessTexture){const t=r.specularGlossinessTexture;i.push(n.assignTexture(e,"glossinessMap",t)),i.push(n.assignTexture(e,"specularMap",t,L))}return Promise.all(i)}createMaterial(e){const t=new mb(e);return t.fog=!0,t.color=e.color,t.map=void 0===e.map?null:e.map,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=void 0===e.aoMap?null:e.aoMap,t.aoMapIntensity=1,t.emissive=e.emissive,t.emissiveIntensity=void 0===e.emissiveIntensity?1:e.emissiveIntensity,t.emissiveMap=void 0===e.emissiveMap?null:e.emissiveMap,t.bumpMap=void 0===e.bumpMap?null:e.bumpMap,t.bumpScale=1,t.normalMap=void 0===e.normalMap?null:e.normalMap,t.normalMapType=0,e.normalScale&&(t.normalScale=e.normalScale),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.specularMap=void 0===e.specularMap?null:e.specularMap,t.specular=e.specular,t.glossinessMap=void 0===e.glossinessMap?null:e.glossinessMap,t.glossiness=e.glossiness,t.alphaMap=null,t.envMap=void 0===e.envMap?null:e.envMap,t.envMapIntensity=1,t}}class vb{constructor(){this.name=Zx.KHR_MESH_QUANTIZATION}}class yb extends Ca{constructor(e,t,n,r){super(e,t,n,r)}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r*3+r;for(let e=0;e!==r;e++)t[e]=n[i+e];return t}interpolate_(e,t,n,r){const i=this.resultBuffer,o=this.sampleValues,a=this.valueSize,s=2*a,l=3*a,u=r-t,c=(n-t)/u,d=c*c,h=d*c,f=e*l,p=f-l,m=-2*h+3*d,g=h-d,v=1-m,y=g-d+c;for(let e=0;e!==a;e++){const t=o[p+e+a],n=o[p+e+s]*u,r=o[f+e+a],l=o[f+e]*u;i[e]=v*t+y*n+m*r+g*l}return i}}const xb=new Ee;class bb extends yb{interpolate_(e,t,n,r){const i=super.interpolate_(e,t,n,r);return xb.fromArray(i).normalize().toArray(i),i}}const _b={FLOAT:5126,FLOAT_MAT3:35675,FLOAT_MAT4:35676,FLOAT_VEC2:35664,FLOAT_VEC3:35665,FLOAT_VEC4:35666,LINEAR:9729,REPEAT:10497,SAMPLER_2D:35678,POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6,UNSIGNED_BYTE:5121,UNSIGNED_SHORT:5123},wb={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Sb={9728:d,9729:p,9984:h,9985:1007,9986:f,9987:m},Mb={33071:u,33648:c,10497:l},Eb={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Tb={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},Cb={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},Ab={CUBICSPLINE:void 0,LINEAR:k,STEP:A};function kb(e,t,n){for(const r in n.extensions)void 0===e[r]&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[r]=n.extensions[r])}function Pb(e,t){void 0!==t.extras&&("object"==typeof t.extras?Object.assign(e.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function Rb(e,t){if(e.updateMorphTargets(),void 0!==t.weights)for(let n=0,r=t.weights.length;n<r;n++)e.morphTargetInfluences[n]=t.weights[n];if(t.extras&&Array.isArray(t.extras.targetNames)){const n=t.extras.targetNames;if(e.morphTargetInfluences.length===n.length){e.morphTargetDictionary={};for(let t=0,r=n.length;t<r;t++)e.morphTargetDictionary[n[t]]=t}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function Lb(e){const t=e.extensions&&e.extensions[Zx.KHR_DRACO_MESH_COMPRESSION];let n;return n=t?"draco:"+t.bufferView+":"+t.indices+":"+Ib(t.attributes):e.indices+":"+Ib(e.attributes)+":"+e.mode,n}function Ib(e){let t="";const n=Object.keys(e).sort();for(let r=0,i=n.length;r<i;r++)t+=n[r]+":"+e[n[r]]+";";return t}function Nb(e){switch(e){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}class Ob{constructor(e={},t={}){this.json=e,this.extensions={},this.plugins={},this.options=t,this.cache=new Yx,this.associations=new Map,this.primitiveCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};const n=!0===/^((?!chrome|android).)*safari/i.test(navigator.userAgent),r=navigator.userAgent.indexOf("Firefox")>-1,i=r?navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1]:-1;"undefined"==typeof createImageBitmap||n||r&&i<98?this.textureLoader=new Ya(this.options.manager):this.textureLoader=new hs(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new $a(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(e){this.extensions=e}setPlugins(e){this.plugins=e}parse(e,t){const n=this,r=this.json,i=this.extensions;this.cache.removeAll(),this._invokeAll((function(e){return e._markDefs&&e._markDefs()})),Promise.all(this._invokeAll((function(e){return e.beforeRoot&&e.beforeRoot()}))).then((function(){return Promise.all([n.getDependencies("scene"),n.getDependencies("animation"),n.getDependencies("camera")])})).then((function(t){const o={scene:t[0][r.scene||0],scenes:t[0],animations:t[1],cameras:t[2],asset:r.asset,parser:n,userData:{}};kb(i,o,r),Pb(o,r),Promise.all(n._invokeAll((function(e){return e.afterRoot&&e.afterRoot(o)}))).then((function(){e(o)}))})).catch(t)}_markDefs(){const e=this.json.nodes||[],t=this.json.skins||[],n=this.json.meshes||[];for(let n=0,r=t.length;n<r;n++){const r=t[n].joints;for(let t=0,n=r.length;t<n;t++)e[r[t]].isBone=!0}for(let t=0,r=e.length;t<r;t++){const r=e[t];void 0!==r.mesh&&(this._addNodeRef(this.meshCache,r.mesh),void 0!==r.skin&&(n[r.mesh].isSkinnedMesh=!0)),void 0!==r.camera&&this._addNodeRef(this.cameraCache,r.camera)}}_addNodeRef(e,t){void 0!==t&&(void 0===e.refs[t]&&(e.refs[t]=e.uses[t]=0),e.refs[t]++)}_getNodeRef(e,t,n){if(e.refs[t]<=1)return n;const r=n.clone(),i=(e,t)=>{const n=this.associations.get(e);null!=n&&this.associations.set(t,n);for(const[n,r]of e.children.entries())i(r,t.children[n])};return i(n,r),r.name+="_instance_"+e.uses[t]++,r}_invokeOne(e){const t=Object.values(this.plugins);t.push(this);for(let n=0;n<t.length;n++){const r=e(t[n]);if(r)return r}return null}_invokeAll(e){const t=Object.values(this.plugins);t.unshift(this);const n=[];for(let r=0;r<t.length;r++){const i=e(t[r]);i&&n.push(i)}return n}getDependency(e,t){const n=e+":"+t;let r=this.cache.get(n);if(!r){switch(e){case"scene":r=this.loadScene(t);break;case"node":r=this.loadNode(t);break;case"mesh":r=this._invokeOne((function(e){return e.loadMesh&&e.loadMesh(t)}));break;case"accessor":r=this.loadAccessor(t);break;case"bufferView":r=this._invokeOne((function(e){return e.loadBufferView&&e.loadBufferView(t)}));break;case"buffer":r=this.loadBuffer(t);break;case"material":r=this._invokeOne((function(e){return e.loadMaterial&&e.loadMaterial(t)}));break;case"texture":r=this._invokeOne((function(e){return e.loadTexture&&e.loadTexture(t)}));break;case"skin":r=this.loadSkin(t);break;case"animation":r=this._invokeOne((function(e){return e.loadAnimation&&e.loadAnimation(t)}));break;case"camera":r=this.loadCamera(t);break;default:throw new Error("Unknown type: "+e)}this.cache.add(n,r)}return r}getDependencies(e){let t=this.cache.get(e);if(!t){const n=this,r=this.json[e+("mesh"===e?"es":"s")]||[];t=Promise.all(r.map((function(t,r){return n.getDependency(e,r)}))),this.cache.add(e,t)}return t}loadBuffer(e){const t=this.json.buffers[e],n=this.fileLoader;if(t.type&&"arraybuffer"!==t.type)throw new Error("THREE.GLTFLoader: "+t.type+" buffer type is not supported.");if(void 0===t.uri&&0===e)return Promise.resolve(this.extensions[Zx.KHR_BINARY_GLTF].body);const r=this.options;return new Promise((function(e,i){n.load(cs.resolveURL(t.uri,r.path),e,void 0,(function(){i(new Error('THREE.GLTFLoader: Failed to load buffer "'+t.uri+'".'))}))}))}loadBufferView(e){const t=this.json.bufferViews[e];return this.getDependency("buffer",t.buffer).then((function(e){const n=t.byteLength||0,r=t.byteOffset||0;return e.slice(r,r+n)}))}loadAccessor(e){const t=this,n=this.json,r=this.json.accessors[e];if(void 0===r.bufferView&&void 0===r.sparse)return Promise.resolve(null);const i=[];return void 0!==r.bufferView?i.push(this.getDependency("bufferView",r.bufferView)):i.push(null),void 0!==r.sparse&&(i.push(this.getDependency("bufferView",r.sparse.indices.bufferView)),i.push(this.getDependency("bufferView",r.sparse.values.bufferView))),Promise.all(i).then((function(e){const i=e[0],o=Eb[r.type],a=wb[r.componentType],s=a.BYTES_PER_ELEMENT,l=s*o,u=r.byteOffset||0,c=void 0!==r.bufferView?n.bufferViews[r.bufferView].byteStride:void 0,d=!0===r.normalized;let h,f;if(c&&c!==l){const e=Math.floor(u/c),n="InterleavedBuffer:"+r.bufferView+":"+r.componentType+":"+e+":"+r.count;let l=t.cache.get(n);l||(h=new a(i,e*c,r.count*c/s),l=new xo(h,c/s),t.cache.add(n,l)),f=new _o(l,o,u%c/s,d)}else h=null===i?new a(r.count*o):new a(i,u,r.count*o),f=new Gt(h,o,d);if(void 0!==r.sparse){const t=Eb.SCALAR,n=wb[r.sparse.indices.componentType],s=r.sparse.indices.byteOffset||0,l=r.sparse.values.byteOffset||0,u=new n(e[1],s,r.sparse.count*t),c=new a(e[2],l,r.sparse.count*o);null!==i&&(f=new Gt(f.array.slice(),f.itemSize,f.normalized));for(let e=0,t=u.length;e<t;e++){const t=u[e];if(f.setX(t,c[e*o]),o>=2&&f.setY(t,c[e*o+1]),o>=3&&f.setZ(t,c[e*o+2]),o>=4&&f.setW(t,c[e*o+3]),o>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return f}))}loadTexture(e){const t=this.json,n=this.options,r=t.textures[e].source,i=t.images[r];let o=this.textureLoader;if(i.uri){const e=n.manager.getHandler(i.uri);null!==e&&(o=e)}return this.loadTextureImage(e,r,o)}loadTextureImage(e,t,n){const r=this,i=this.json,o=i.textures[e],a=i.images[t],s=(a.uri||a.bufferView)+":"+o.sampler;if(this.textureCache[s])return this.textureCache[s];const u=this.loadImageSource(t,n).then((function(t){t.flipY=!1,t.name=o.name||a.name||"";const n=(i.samplers||{})[o.sampler]||{};return t.magFilter=Sb[n.magFilter]||p,t.minFilter=Sb[n.minFilter]||m,t.wrapS=Mb[n.wrapS]||l,t.wrapT=Mb[n.wrapT]||l,r.associations.set(t,{textures:e}),t})).catch((function(){return null}));return this.textureCache[s]=u,u}loadImageSource(e,t){const n=this.json,r=this.options;if(void 0!==this.sourceCache[e])return this.sourceCache[e].then((e=>e.clone()));const i=n.images[e],o=self.URL||self.webkitURL;let a=i.uri||"",s=!1;if(void 0!==i.bufferView)a=this.getDependency("bufferView",i.bufferView).then((function(e){s=!0;const t=new Blob([e],{type:i.mimeType});return a=o.createObjectURL(t),a}));else if(void 0===i.uri)throw new Error("THREE.GLTFLoader: Image "+e+" is missing URI and bufferView");const l=Promise.resolve(a).then((function(e){return new Promise((function(n,i){let o=n;!0===t.isImageBitmapLoader&&(o=function(e){const t=new be(e);t.needsUpdate=!0,n(t)}),t.load(cs.resolveURL(e,r.path),o,void 0,i)}))})).then((function(e){var t;return!0===s&&o.revokeObjectURL(a),e.userData.mimeType=i.mimeType||((t=i.uri).search(/\.jpe?g($|\?)/i)>0||0===t.search(/^data\:image\/jpeg/)?"image/jpeg":t.search(/\.webp($|\?)/i)>0||0===t.search(/^data\:image\/webp/)?"image/webp":"image/png"),e})).catch((function(e){throw console.error("THREE.GLTFLoader: Couldn't load texture",a),e}));return this.sourceCache[e]=l,l}assignTexture(e,t,n,r){const i=this;return this.getDependency("texture",n.index).then((function(o){if(void 0===n.texCoord||0==n.texCoord||"aoMap"===t&&1==n.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+n.texCoord+" for texture "+t+" not yet supported."),i.extensions[Zx.KHR_TEXTURE_TRANSFORM]){const e=void 0!==n.extensions?n.extensions[Zx.KHR_TEXTURE_TRANSFORM]:void 0;if(e){const t=i.associations.get(o);o=i.extensions[Zx.KHR_TEXTURE_TRANSFORM].extendTexture(o,e),i.associations.set(o,t)}}return void 0!==r&&(o.encoding=r),e[t]=o,o}))}assignFinalMaterial(e){const t=e.geometry;let n=e.material;const r=void 0===t.attributes.tangent,i=void 0!==t.attributes.color,o=void 0===t.attributes.normal;if(e.isPoints){const e="PointsMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Ko,Bt.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,t.sizeAttenuation=!1,this.cache.add(e,t)),n=t}else if(e.isLine){const e="LineBasicMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Bo,Bt.prototype.copy.call(t,n),t.color.copy(n.color),this.cache.add(e,t)),n=t}if(r||i||o){let e="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(e+="specular-glossiness:"),r&&(e+="derivative-tangents:"),i&&(e+="vertex-colors:"),o&&(e+="flat-shading:");let t=this.cache.get(e);t||(t=n.clone(),i&&(t.vertexColors=!0),o&&(t.flatShading=!0),r&&(t.normalScale&&(t.normalScale.y*=-1),t.clearcoatNormalScale&&(t.clearcoatNormalScale.y*=-1)),this.cache.add(e,t),this.associations.set(t,this.associations.get(n))),n=t}n.aoMap&&void 0===t.attributes.uv2&&void 0!==t.attributes.uv&&t.setAttribute("uv2",t.attributes.uv),e.material=n}getMaterialType(){return xa}loadMaterial(e){const t=this,n=this.json,r=this.extensions,i=n.materials[e];let o;const a={},s=i.extensions||{},l=[];if(s[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){const e=r[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];o=e.getMaterialType(),l.push(e.extendParams(a,i,t))}else if(s[Zx.KHR_MATERIALS_UNLIT]){const e=r[Zx.KHR_MATERIALS_UNLIT];o=e.getMaterialType(),l.push(e.extendParams(a,i,t))}else{const n=i.pbrMetallicRoughness||{};if(a.color=new pe(1,1,1),a.opacity=1,Array.isArray(n.baseColorFactor)){const e=n.baseColorFactor;a.color.fromArray(e),a.opacity=e[3]}void 0!==n.baseColorTexture&&l.push(t.assignTexture(a,"map",n.baseColorTexture,L)),a.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,a.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(t.assignTexture(a,"metalnessMap",n.metallicRoughnessTexture)),l.push(t.assignTexture(a,"roughnessMap",n.metallicRoughnessTexture))),o=this._invokeOne((function(t){return t.getMaterialType&&t.getMaterialType(e)})),l.push(Promise.all(this._invokeAll((function(t){return t.extendMaterialParams&&t.extendMaterialParams(e,a)}))))}!0===i.doubleSided&&(a.side=2);const u=i.alphaMode||"OPAQUE";if("BLEND"===u?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,"MASK"===u&&(a.alphaTest=void 0!==i.alphaCutoff?i.alphaCutoff:.5)),void 0!==i.normalTexture&&o!==Ht&&(l.push(t.assignTexture(a,"normalMap",i.normalTexture)),a.normalScale=new ee(1,1),void 0!==i.normalTexture.scale)){const e=i.normalTexture.scale;a.normalScale.set(e,e)}return void 0!==i.occlusionTexture&&o!==Ht&&(l.push(t.assignTexture(a,"aoMap",i.occlusionTexture)),void 0!==i.occlusionTexture.strength&&(a.aoMapIntensity=i.occlusionTexture.strength)),void 0!==i.emissiveFactor&&o!==Ht&&(a.emissive=(new pe).fromArray(i.emissiveFactor)),void 0!==i.emissiveTexture&&o!==Ht&&l.push(t.assignTexture(a,"emissiveMap",i.emissiveTexture,L)),Promise.all(l).then((function(){let n;return n=o===mb?r[Zx.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(a):new o(a),i.name&&(n.name=i.name),Pb(n,i),t.associations.set(n,{materials:e}),i.extensions&&kb(r,n,i),n}))}createUniqueName(e){const t=ys.sanitizeNodeName(e||"");let n=t;for(let e=1;this.nodeNamesUsed[n];++e)n=t+"_"+e;return this.nodeNamesUsed[n]=!0,n}loadGeometries(e){const t=this,n=this.extensions,r=this.primitiveCache;function i(e){return n[Zx.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then((function(n){return zb(n,e,t)}))}const o=[];for(let n=0,a=e.length;n<a;n++){const a=e[n],s=Lb(a),l=r[s];if(l)o.push(l.promise);else{let e;e=a.extensions&&a.extensions[Zx.KHR_DRACO_MESH_COMPRESSION]?i(a):zb(new tn,a,t),r[s]={primitive:a,promise:e},o.push(e)}}return Promise.all(o)}loadMesh(e){const t=this,n=this.json,r=this.extensions,i=n.meshes[e],o=i.primitives,a=[];for(let e=0,t=o.length;e<t;e++){const t=void 0===o[e].material?(void 0===(s=this.cache).DefaultMaterial&&(s.DefaultMaterial=new xa({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),s.DefaultMaterial):this.getDependency("material",o[e].material);a.push(t)}var s;return a.push(t.loadGeometries(o)),Promise.all(a).then((function(n){const a=n.slice(0,n.length-1),s=n[n.length-1],l=[];for(let n=0,u=s.length;n<u;n++){const u=s[n],c=o[n];let d;const h=a[n];if(c.mode===_b.TRIANGLES||c.mode===_b.TRIANGLE_STRIP||c.mode===_b.TRIANGLE_FAN||void 0===c.mode)d=!0===i.isSkinnedMesh?new Co(u,h):new bn(u,h),!0!==d.isSkinnedMesh||d.geometry.attributes.skinWeight.normalized||d.normalizeSkinWeights(),c.mode===_b.TRIANGLE_STRIP?d.geometry=Ub(d.geometry,1):c.mode===_b.TRIANGLE_FAN&&(d.geometry=Ub(d.geometry,2));else if(c.mode===_b.LINES)d=new Yo(u,h);else if(c.mode===_b.LINE_STRIP)d=new Xo(u,h);else if(c.mode===_b.LINE_LOOP)d=new Zo(u,h);else{if(c.mode!==_b.POINTS)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+c.mode);d=new na(u,h)}Object.keys(d.geometry.morphAttributes).length>0&&Rb(d,i),d.name=t.createUniqueName(i.name||"mesh_"+e),Pb(d,i),c.extensions&&kb(r,d,c),t.assignFinalMaterial(d),l.push(d)}for(let n=0,r=l.length;n<r;n++)t.associations.set(l[n],{meshes:e,primitives:n});if(1===l.length)return l[0];const u=new lo;t.associations.set(u,{meshes:e});for(let e=0,t=l.length;e<t;e++)u.add(l[e]);return u}))}loadCamera(e){let t;const n=this.json.cameras[e],r=n[n.type];if(r)return"perspective"===n.type?t=new An(Q.radToDeg(r.yfov),r.aspectRatio||1,r.znear||1,r.zfar||2e6):"orthographic"===n.type&&(t=new Jn(-r.xmag,r.xmag,r.ymag,-r.ymag,r.znear,r.zfar)),n.name&&(t.name=this.createUniqueName(n.name)),Pb(t,n),Promise.resolve(t);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(e){const t=this.json.skins[e],n={joints:t.joints};return void 0===t.inverseBindMatrices?Promise.resolve(n):this.getDependency("accessor",t.inverseBindMatrices).then((function(e){return n.inverseBindMatrices=e,n}))}loadAnimation(e){const t=this.json.animations[e],n=[],r=[],i=[],o=[],a=[];for(let e=0,s=t.channels.length;e<s;e++){const s=t.channels[e],l=t.samplers[s.sampler],u=s.target,c=u.node,d=void 0!==t.parameters?t.parameters[l.input]:l.input,h=void 0!==t.parameters?t.parameters[l.output]:l.output;n.push(this.getDependency("node",c)),r.push(this.getDependency("accessor",d)),i.push(this.getDependency("accessor",h)),o.push(l),a.push(u)}return Promise.all([Promise.all(n),Promise.all(r),Promise.all(i),Promise.all(o),Promise.all(a)]).then((function(n){const r=n[0],i=n[1],o=n[2],a=n[3],s=n[4],l=[];for(let e=0,t=r.length;e<t;e++){const t=r[e],n=i[e],u=o[e],c=a[e],d=s[e];if(void 0===t)continue;let h;switch(t.updateMatrix(),Cb[d.path]){case Cb.weights:h=Na;break;case Cb.rotation:h=Da;break;default:h=Ua}const f=t.name?t.name:t.uuid,p=void 0!==c.interpolation?Ab[c.interpolation]:k,m=[];Cb[d.path]===Cb.weights?t.traverse((function(e){e.morphTargetInfluences&&m.push(e.name?e.name:e.uuid)})):m.push(f);let g=u.array;if(u.normalized){const e=Nb(g.constructor),t=new Float32Array(g.length);for(let n=0,r=g.length;n<r;n++)t[n]=g[n]*e;g=t}for(let e=0,t=m.length;e<t;e++){const t=new h(m[e]+"."+Cb[d.path],n.array,g,p);"CUBICSPLINE"===c.interpolation&&(t.createInterpolant=function(e){return new(this instanceof Da?bb:yb)(this.times,this.values,this.getValueSize()/3,e)},t.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0),l.push(t)}}const u=t.name?t.name:"animation_"+e;return new Fa(u,void 0,l)}))}createNodeMesh(e){const t=this.json,n=this,r=t.nodes[e];return void 0===r.mesh?null:n.getDependency("mesh",r.mesh).then((function(e){const t=n._getNodeRef(n.meshCache,r.mesh,e);return void 0!==r.weights&&t.traverse((function(e){if(e.isMesh)for(let t=0,n=r.weights.length;t<n;t++)e.morphTargetInfluences[t]=r.weights[t]})),t}))}loadNode(e){const t=this.json,n=this.extensions,r=this,i=t.nodes[e],o=i.name?r.createUniqueName(i.name):"";return function(){const t=[],n=r._invokeOne((function(t){return t.createNodeMesh&&t.createNodeMesh(e)}));return n&&t.push(n),void 0!==i.camera&&t.push(r.getDependency("camera",i.camera).then((function(e){return r._getNodeRef(r.cameraCache,i.camera,e)}))),r._invokeAll((function(t){return t.createNodeAttachment&&t.createNodeAttachment(e)})).forEach((function(e){t.push(e)})),Promise.all(t)}().then((function(t){let a;if(a=!0===i.isBone?new Ao:t.length>1?new lo:1===t.length?t[0]:new Ct,a!==t[0])for(let e=0,n=t.length;e<n;e++)a.add(t[e]);if(i.name&&(a.userData.name=i.name,a.name=o),Pb(a,i),i.extensions&&kb(n,a,i),void 0!==i.matrix){const e=new nt;e.fromArray(i.matrix),a.applyMatrix4(e)}else void 0!==i.translation&&a.position.fromArray(i.translation),void 0!==i.rotation&&a.quaternion.fromArray(i.rotation),void 0!==i.scale&&a.scale.fromArray(i.scale);return r.associations.has(a)||r.associations.set(a,{}),r.associations.get(a).nodes=e,a}))}loadScene(e){const t=this.json,n=this.extensions,r=this.json.scenes[e],i=this,o=new lo;r.name&&(o.name=i.createUniqueName(r.name)),Pb(o,r),r.extensions&&kb(n,o,r);const a=r.nodes||[],s=[];for(let e=0,n=a.length;e<n;e++)s.push(Db(a[e],o,t,i));return Promise.all(s).then((function(){return i.associations=(e=>{const t=new Map;for(const[e,n]of i.associations)(e instanceof Bt||e instanceof be)&&t.set(e,n);return e.traverse((e=>{const n=i.associations.get(e);null!=n&&t.set(e,n)})),t})(o),o}))}}function Db(e,t,n,r){const i=n.nodes[e];return r.getDependency("node",e).then((function(e){if(void 0===i.skin)return e;let t;return r.getDependency("skin",i.skin).then((function(e){t=e;const n=[];for(let e=0,i=t.joints.length;e<i;e++)n.push(r.getDependency("node",t.joints[e]));return Promise.all(n)})).then((function(n){return e.traverse((function(e){if(!e.isMesh)return;const r=[],i=[];for(let e=0,o=n.length;e<o;e++){const o=n[e];if(o){r.push(o);const n=new nt;void 0!==t.inverseBindMatrices&&n.fromArray(t.inverseBindMatrices.array,16*e),i.push(n)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',t.joints[e])}e.bind(new Lo(r,i),e.matrixWorld)})),e}))})).then((function(e){t.add(e);const o=[];if(i.children){const t=i.children;for(let i=0,a=t.length;i<a;i++){const a=t[i];o.push(Db(a,e,n,r))}}return Promise.all(o)}))}function zb(e,t,n){const r=t.attributes,i=[];function o(t,r){return n.getDependency("accessor",t).then((function(t){e.setAttribute(r,t)}))}for(const t in r){const n=Tb[t]||t.toLowerCase();n in e.attributes||i.push(o(r[t],n))}if(void 0!==t.indices&&!e.index){const r=n.getDependency("accessor",t.indices).then((function(t){e.setIndex(t)}));i.push(r)}return Pb(e,t),function(e,t,n){const r=t.attributes,i=new ke;if(void 0===r.POSITION)return;{const e=n.json.accessors[r.POSITION],t=e.min,o=e.max;if(void 0===t||void 0===o)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(i.set(new Te(t[0],t[1],t[2]),new Te(o[0],o[1],o[2])),e.normalized){const t=Nb(wb[e.componentType]);i.min.multiplyScalar(t),i.max.multiplyScalar(t)}}const o=t.targets;if(void 0!==o){const e=new Te,t=new Te;for(let r=0,i=o.length;r<i;r++){const i=o[r];if(void 0!==i.POSITION){const r=n.json.accessors[i.POSITION],o=r.min,a=r.max;if(void 0!==o&&void 0!==a){if(t.setX(Math.max(Math.abs(o[0]),Math.abs(a[0]))),t.setY(Math.max(Math.abs(o[1]),Math.abs(a[1]))),t.setZ(Math.max(Math.abs(o[2]),Math.abs(a[2]))),r.normalized){const e=Nb(wb[r.componentType]);t.multiplyScalar(e)}e.max(t)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}i.expandByVector(e)}e.boundingBox=i;const a=new $e;i.getCenter(a.center),a.radius=i.min.distanceTo(i.max)/2,e.boundingSphere=a}(e,t,n),Promise.all(i).then((function(){return void 0!==t.targets?function(e,t,n){let r=!1,i=!1,o=!1;for(let e=0,n=t.length;e<n;e++){const n=t[e];if(void 0!==n.POSITION&&(r=!0),void 0!==n.NORMAL&&(i=!0),void 0!==n.COLOR_0&&(o=!0),r&&i&&o)break}if(!r&&!i&&!o)return Promise.resolve(e);const a=[],s=[],l=[];for(let u=0,c=t.length;u<c;u++){const c=t[u];if(r){const t=void 0!==c.POSITION?n.getDependency("accessor",c.POSITION):e.attributes.position;a.push(t)}if(i){const t=void 0!==c.NORMAL?n.getDependency("accessor",c.NORMAL):e.attributes.normal;s.push(t)}if(o){const t=void 0!==c.COLOR_0?n.getDependency("accessor",c.COLOR_0):e.attributes.color;l.push(t)}}return Promise.all([Promise.all(a),Promise.all(s),Promise.all(l)]).then((function(t){const n=t[0],a=t[1],s=t[2];return r&&(e.morphAttributes.position=n),i&&(e.morphAttributes.normal=a),o&&(e.morphAttributes.color=s),e.morphTargetsRelative=!0,e}))}(e,t.targets,n):e}))}function Ub(e,t){let n=e.getIndex();if(null===n){const t=[],r=e.getAttribute("position");if(void 0===r)return console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. 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+|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",h_._tag).getRegex(),h_.blockquote=Zb(h_.blockquote).replace("paragraph",h_.paragraph).getRegex(),h_.normal=o_({},h_),h_.gfm=o_({},h_.normal,{table:"^ *([^\\n ].*\\|.*)\\n {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)"}),h_.gfm.table=Zb(h_.gfm.table).replace("hr",h_.hr).replace("heading"," {0,3}#{1,6} ").replace("blockquote"," {0,3}>").replace("code"," {4}[^\\n]").replace("fences"," {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list"," {0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",h_._tag).getRegex(),h_.gfm.paragraph=Zb(h_._paragraph).replace("hr",h_.hr).replace("heading"," {0,3}#{1,6} ").replace("|lheading","").replace("table",h_.gfm.table).replace("blockquote"," {0,3}>").replace("fences"," {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list"," {0,3}(?:[*+-]|1[.)]) ").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",h_._tag).getRegex(),h_.pedantic=o_({},h_.normal,{html:Zb("^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:\"[^\"]*\"|'[^']*'|\\s[^'\"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))").replace("comment",h_._comment).replace(/tag/g,"(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(),def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,heading:/^(#{1,6})(.*)(?:\n+|$)/,fences:i_,paragraph:Zb(h_.normal._paragraph).replace("hr",h_.hr).replace("heading"," *#{1,6} *[^\n]").replace("lheading",h_.lheading).replace("blockquote"," {0,3}>").replace("|fences","").replace("|list","").replace("|html","").getRegex()});const f_={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:i_,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^(?:[^_*\\]|\\.)*?\_\_(?:[^_*\\]|\\.)*?\*(?:[^_*\\]|\\.)*?(?=\_\_)|(?:[^*\\]|\\.)+(?=[^*])|[punct_](\*+)(?=[\s]|$)|(?:[^punct*_\s\\]|\\.)(\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|(?:[^punct*_\s\\]|\\.)(\*+)(?=[^punct*_\s])/,rDelimUnd:/^(?:[^_*\\]|\\.)*?\*\*(?:[^_*\\]|\\.)*?\_(?:[^_*\\]|\\.)*?(?=\*\*)|(?:[^_\\]|\\.)+(?=[^_])|[punct*](\_+)(?=[\s]|$)|(?:[^punct*_\s\\]|\\.)(\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:i_,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function p_(e){return e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function m_(e){let t,n,r="";const i=e.length;for(t=0;t<i;t++)n=e.charCodeAt(t),Math.random()>.5&&(n="x"+n.toString(16)),r+="&#"+n+";";return 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{2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/}),f_.gfm.url=Zb(f_.gfm.url,"i").replace("email",f_.gfm._extended_email).getRegex(),f_.breaks=o_({},f_.gfm,{br:Zb(f_.br).replace("{2,}","*").getRegex(),text:Zb(f_.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class g_{constructor(e){this.tokens=[],this.tokens.links=Object.create(null),this.options=e||Fb,this.options.tokenizer=this.options.tokenizer||new d_,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const t={block:h_.normal,inline:f_.normal};this.options.pedantic?(t.block=h_.pedantic,t.inline=f_.pedantic):this.options.gfm&&(t.block=h_.gfm,this.options.breaks?t.inline=f_.breaks:t.inline=f_.gfm),this.tokenizer.rules=t}static get rules(){return{block:h_,inline:f_}}static lex(e,t){return new g_(t).lex(e)}static lexInline(e,t){return new g_(t).inlineTokens(e)}lex(e){let t;for(e=e.replace(/\r\n|\r/g,"\n"),this.blockTokens(e,this.tokens);t=this.inlineQueue.shift();)this.inlineTokens(t.src,t.tokens);return this.tokens}blockTokens(e,t=[]){let n,r,i,o;for(e=this.options.pedantic?e.replace(/\t/g,"    ").replace(/^ +$/gm,""):e.replace(/^( *)(\t+)/gm,((e,t,n)=>t+"    ".repeat(n.length)));e;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.space(e))e=e.substring(n.raw.length),1===n.raw.length&&t.length>0?t[t.length-1].raw+="\n":t.push(n);else if(n=this.tokenizer.code(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?t.push(n):(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.fences(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.heading(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.hr(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.blockquote(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.list(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),r=t[t.length-1],!r||"paragraph"!==r.type&&"text"!==r.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(r.raw+="\n"+n.raw,r.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=r.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(i=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startBlock.forEach((function(e){r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(i=e.substring(0,t+1))}if(this.state.top&&(n=this.tokenizer.paragraph(i)))r=t[t.length-1],o&&"paragraph"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n),o=i.length!==e.length,e=e.substring(n.raw.length);else if(n=this.tokenizer.text(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===r.type?(r.raw+="\n"+n.raw,r.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=r.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(e,t=[]){let n,r,i,o,a,s,l=e;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(o=this.tokenizer.rules.inline.reflinkSearch.exec(l));)e.includes(o[0].slice(o[0].lastIndexOf("[")+1,-1))&&(l=l.slice(0,o.index)+"["+u_("a",o[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(o=this.tokenizer.rules.inline.blockSkip.exec(l));)l=l.slice(0,o.index)+"["+u_("a",o[0].length-2)+"]"+l.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(o=this.tokenizer.rules.inline.escapedEmSt.exec(l));)l=l.slice(0,o.index+o[0].length-2)+"++"+l.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex),this.tokenizer.rules.inline.escapedEmSt.lastIndex--;for(;e;)if(a||(s=""),a=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((r=>!!(n=r.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.escape(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(e))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.link(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(n.raw.length),r=t[t.length-1],r&&"text"===n.type&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(e,l,s))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(e,m_))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e,m_))){if(i=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let r;this.options.extensions.startInline.forEach((function(e){r=e.call({lexer:this},n),"number"==typeof r&&r>=0&&(t=Math.min(t,r))})),t<1/0&&t>=0&&(i=e.substring(0,t+1))}if(n=this.tokenizer.inlineText(i,p_))e=e.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(s=n.raw.slice(-1)),a=!0,r=t[t.length-1],r&&"text"===r.type?(r.raw+=n.raw,r.text+=n.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}else e=e.substring(n.raw.length),t.push(n);return t}}class v_{constructor(e){this.options=e||Fb}code(e,t,n){const r=(t||"").match(/\S*/)[0];if(this.options.highlight){const t=this.options.highlight(e,r);null!=t&&t!==e&&(n=!0,e=t)}return e=e.replace(/\n$/,"")+"\n",r?'<pre><code class="'+this.options.langPrefix+Xb(r,!0)+'">'+(n?e:Xb(e,!0))+"</code></pre>\n":"<pre><code>"+(n?e:Xb(e,!0))+"</code></pre>\n"}blockquote(e){return`<blockquote>\n${e}</blockquote>\n`}html(e){return e}heading(e,t,n,r){return this.options.headerIds?`<h${t} id="${this.options.headerPrefix+r.slug(n)}">${e}</h${t}>\n`:`<h${t}>${e}</h${t}>\n`}hr(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}list(e,t,n){const r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+e+"</"+r+">\n"}listitem(e){return`<li>${e}</li>\n`}checkbox(e){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}paragraph(e){return`<p>${e}</p>\n`}table(e,t){return t&&(t=`<tbody>${t}</tbody>`),"<table>\n<thead>\n"+e+"</thead>\n"+t+"</table>\n"}tablerow(e){return`<tr>\n${e}</tr>\n`}tablecell(e,t){const n=t.header?"th":"td";return(t.align?`<${n} align="${t.align}">`:`<${n}>`)+e+`</${n}>\n`}strong(e){return`<strong>${e}</strong>`}em(e){return`<em>${e}</em>`}codespan(e){return`<code>${e}</code>`}br(){return this.options.xhtml?"<br/>":"<br>"}del(e){return`<del>${e}</del>`}link(e,t,n){if(null===(e=Qb(this.options.sanitize,this.options.baseUrl,e)))return n;let r='<a href="'+Xb(e)+'"';return t&&(r+=' 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