kaleidoscope.min.js

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0===e?(this.x*=t.x,this.y*=t.y,this.z*=t.z,this):this.multiplyVectors(t,e)},multiplyScalar:function(t){return isFinite(t)?(this.x*=t,this.y*=t,this.z*=t):(this.x=0,this.y=0,this.z=0),this},multiplyVectors:function(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this},applyEuler:function(){var t;return function(e){return M.Euler,void 0==t&&(t=new M.Quaternion),this.applyQuaternion(t.setFromEuler(e)),this}}(),applyAxisAngle:function(){var t;return function(e,i){return void 0==t&&(t=new M.Quaternion),this.applyQuaternion(t.setFromAxisAngle(e,i)),this}}(),applyMatrix3:function(t){var e=this.x,i=this.y,r=this.z,n=t.elements;return this.x=n[0]*e+n[3]*i+n[6]*r,this.y=n[1]*e+n[4]*i+n[7]*r,this.z=n[2]*e+n[5]*i+n[8]*r,this},applyMatrix4:function(t){var e=this.x,i=this.y,r=this.z,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*r+n[12],this.y=n[1]*e+n[5]*i+n[9]*r+n[13],this.z=n[2]*e+n[6]*i+n[10]*r+n[14],this},applyProjection:function(t){var e=this.x,i=this.y,r=this.z,n=t.elements,a=1/(n[3]*e+n[7]*i+n[11]*r+n[15]);return this.x=(n[0]*e+n[4]*i+n[8]*r+n[12])*a,this.y=(n[1]*e+n[5]*i+n[9]*r+n[13])*a,this.z=(n[2]*e+n[6]*i+n[10]*r+n[14])*a,this},applyQuaternion:function(t){var e=this.x,i=this.y,r=this.z,n=t.x,a=t.y,o=t.z,s=t.w,h=s*e+a*r-o*i,u=s*i+o*e-n*r,l=s*r+n*i-a*e,c=-n*e-a*i-o*r;return this.x=h*s+c*-n+u*-o-l*-a,this.y=u*s+c*-a+l*-n-h*-o,this.z=l*s+c*-o+h*-a-u*-n,this},project:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.multiplyMatrices(e.projectionMatrix,t.getInverse(e.matrixWorld)),this.applyProjection(t)}}(),unproject:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.multiplyMatrices(e.matrixWorld,t.getInverse(e.projectionMatrix)),this.applyProjection(t)}}(),transformDirection:function(t){var e=this.x,i=this.y,r=this.z,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*r,this.y=n[1]*e+n[5]*i+n[9]*r,this.z=n[2]*e+n[6]*i+n[10]*r,this.normalize(),this},divide:function(t){return 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i=t.x,r=t.y,n=t.z,a=e.x,o=e.y,s=e.z;return this.x=r*s-n*o,this.y=n*a-i*s,this.z=i*o-r*a,this},projectOnVector:function(){var t,e;return function(i){return void 0==t&&(t=new M.Vector3),t.copy(i).normalize(),e=this.dot(t),this.copy(t).multiplyScalar(e)}}(),projectOnPlane:function(){var t;return function(e){return void 0==t&&(t=new M.Vector3),t.copy(this).projectOnVector(e),this.sub(t)}}(),reflect:function(){var t;return function(e){return void 0==t&&(t=new M.Vector3),this.sub(t.copy(e).multiplyScalar(2*this.dot(e)))}}(),angleTo:function(t){var e=this.dot(t)/u(this.lengthSq()*t.lengthSq());return r(M.Math.clamp(e,-1,1))},distanceTo:function(t){return u(this.distanceToSquared(t))},distanceToSquared:function(t){var e=this.x-t.x,i=this.y-t.y,r=this.z-t.z;return e*e+i*i+r*r},setFromSpherical:function(t){var e=n(t.phi)*t.radius;return this.x=e*n(t.theta),this.y=a(t.phi)*t.radius,this.z=e*a(t.theta),this},setFromMatrixPosition:function(t){return this.setFromMatrixColumn(t,3)},setFromMatrixScale:function(t){var e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),r=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=r,this},setFromMatrixColumn:function(t,e){return"number"==typeof t&&(t=arguments[1],e=arguments[0]),this.fromArray(t.elements,4*e)},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},fromArray:function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t},fromAttribute:function(t,e,i){return void 0===i&&(i=0),e=e*t.itemSize+i,this.x=t.array[e],this.y=t.array[e+1],this.z=t.array[e+2],this}},M.Vector4=function(t,e,i,r){this.x=t||0,this.y=e||0,this.z=i||0,this.w=void 0===r?1:r},M.Vector4.prototype={constructor:M.Vector4,set:function(t,e,i,r){return this.x=t,this.y=e,this.z=i,this.w=r,this},setScalar:function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setZ:function(t){return this.z=t,this},setW:function(t){return this.w=t,this},setComponent:function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}},getComponent:function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0===t.w?1:t.w,this},add:function(t,e){return void 0===e?(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this):this.addVectors(t,e)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},addVectors:function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this},addScaledVector:function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this},sub:function(t,e){return void 0===e?(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this):this.subVectors(t,e)},subScalar:function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},subVectors:function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this},multiplyScalar:function(t){return isFinite(t)?(this.x*=t,this.y*=t,this.z*=t,this.w*=t):(this.x=0,this.y=0,this.z=0,this.w=0),this},applyMatrix4:function(t){var e=this.x,i=this.y,r=this.z,n=this.w,a=t.elements;return this.x=a[0]*e+a[4]*i+a[8]*r+a[12]*n,this.y=a[1]*e+a[5]*i+a[9]*r+a[13]*n,this.z=a[2]*e+a[6]*i+a[10]*r+a[14]*n,this.w=a[3]*e+a[7]*i+a[11]*r+a[15]*n,this},divideScalar:function(t){return this.multiplyScalar(1/t)},setAxisAngleFromQuaternion:function(t){this.w=2*r(t.w);var e=u(1-t.w*t.w);return 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this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return u(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},lengthManhattan:function(){return s(this.x)+s(this.y)+s(this.z)+s(this.w)},normalize:function(){return this.divideScalar(this.length())},setLength:function(t){return this.multiplyScalar(t/this.length())},lerp:function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this},lerpVectors:function(t,e,i){return this.subVectors(e,t).multiplyScalar(i).add(t),this},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w},fromArray:function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t},fromAttribute:function(t,e,i){return void 0===i&&(i=0),e=e*t.itemSize+i,this.x=t.array[e],this.y=t.array[e+1],this.z=t.array[e+2],this.w=t.array[e+3],this}},M.Matrix3=function(){this.elements=new Float32Array([1,0,0,0,1,0,0,0,1]),arguments.length},M.Matrix3.prototype={constructor:M.Matrix3,set:function(t,e,i,r,n,a,o,s,h){var u=this.elements;return u[0]=t,u[1]=r,u[2]=o,u[3]=e,u[4]=n,u[5]=s,u[6]=i,u[7]=a,u[8]=h,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(t){var e=t.elements;return this.set(e[0],e[3],e[6],e[1],e[4],e[7],e[2],e[5],e[8]),this},setFromMatrix4:function(t){var e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this},applyToVector3Array:function(){var t;return function(e,i,r){void 0==t&&(t=new M.Vector3),void 0===i&&(i=0),void 0===r&&(r=e.length);for(var n=0,a=i;n<r;n+=3,a+=3)t.fromArray(e,a),t.applyMatrix3(this),t.toArray(e,a);return e}}(),applyToBuffer:function(){var t;return function(e,i,r){void 0==t&&(t=new M.Vector3),void 0===i&&(i=0),void 0===r&&(r=e.length/e.itemSize);for(var n=0,a=i;n<r;n++,a++)t.x=e.getX(a),t.y=e.getY(a),t.z=e.getZ(a),t.applyMatrix3(this),e.setXYZ(t.x,t.y,t.z);return e}}(),multiplyScalar:function(t){var e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this},determinant:function(){var t=this.elements,e=t[0],i=t[1],r=t[2],n=t[3],a=t[4],o=t[5],s=t[6],h=t[7],u=t[8];return e*a*u-e*o*h-i*n*u+i*o*s+r*n*h-r*a*s},getInverse:function(t,e){M.Matrix4;var i=t.elements,r=this.elements,n=i[0],a=i[1],o=i[2],s=i[3],h=i[4],u=i[5],l=i[6],c=i[7],p=i[8],d=p*h-u*c,f=u*l-p*s,m=c*s-h*l,v=n*d+a*f+o*m;if(0==v){if(e)throw new Error("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");return this.identity()}return r[0]=d,r[1]=o*c-p*a,r[2]=u*a-o*h,r[3]=f,r[4]=p*n-o*l,r[5]=o*s-u*n,r[6]=m,r[7]=a*l-c*n,r[8]=h*n-a*s,this.multiplyScalar(1/v)},transpose:function(){var t,e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this},flattenToArrayOffset:function(t,e){var i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t},getNormalMatrix:function(t){return this.setFromMatrix4(t).getInverse(this).transpose()},transposeIntoArray:function(t){var e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this},fromArray:function(t){return this.elements.set(t),this},toArray:function(){var t=this.elements;return[t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8]]}},M.Matrix4=function(){this.elements=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),arguments.length},M.Matrix4.prototype={constructor:M.Matrix4,set:function(t,e,i,r,n,a,o,s,h,u,l,c,p,d,f,m){var v=this.elements;return v[0]=t,v[4]=e,v[8]=i,v[12]=r,v[1]=n,v[5]=a,v[9]=o,v[13]=s,v[2]=h,v[6]=u,v[10]=l,v[14]=c,v[3]=p,v[7]=d,v[11]=f,v[15]=m,this},identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},clone:function(){return(new M.Matrix4).fromArray(this.elements)},copy:function(t){return this.elements.set(t.elements),this},copyPosition:function(t){var e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this},extractBasis:function(t,e,i){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this},makeBasis:function(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this},extractRotation:function(){var t;return function(e){void 0==t&&(t=new M.Vector3);var i=this.elements,r=e.elements,n=1/t.setFromMatrixColumn(e,0).length(),a=1/t.setFromMatrixColumn(e,1).length(),o=1/t.setFromMatrixColumn(e,2).length();return i[0]=r[0]*n,i[1]=r[1]*n,i[2]=r[2]*n,i[4]=r[4]*a,i[5]=r[5]*a,i[6]=r[6]*a,i[8]=r[8]*o,i[9]=r[9]*o,i[10]=r[10]*o,this}}(),makeRotationFromEuler:function(t){M.Euler;var e=this.elements,i=t.x,r=t.y,o=t.z,s=a(i),h=n(i),u=a(r),l=n(r),c=a(o),p=n(o);if("XYZ"===t.order){var d=s*c,f=s*p,m=h*c,v=h*p;e[0]=u*c,e[4]=-u*p,e[8]=l,e[1]=f+m*l,e[5]=d-v*l,e[9]=-h*u,e[2]=v-d*l,e[6]=m+f*l,e[10]=s*u}else if("YXZ"===t.order){var g=u*c,y=u*p,x=l*c,_=l*p;e[0]=g+_*h,e[4]=x*h-y,e[8]=s*l,e[1]=s*p,e[5]=s*c,e[9]=-h,e[2]=y*h-x,e[6]=_+g*h,e[10]=s*u}else if("ZXY"===t.order){var g=u*c,y=u*p,x=l*c,_=l*p;e[0]=g-_*h,e[4]=-s*p,e[8]=x+y*h,e[1]=y+x*h,e[5]=s*c,e[9]=_-g*h,e[2]=-s*l,e[6]=h,e[10]=s*u}else if("ZYX"===t.order){var d=s*c,f=s*p,m=h*c,v=h*p;e[0]=u*c,e[4]=m*l-f,e[8]=d*l+v,e[1]=u*p,e[5]=v*l+d,e[9]=f*l-m,e[2]=-l,e[6]=h*u,e[10]=s*u}else if("YZX"===t.order){var b=s*u,S=s*l,w=h*u,E=h*l;e[0]=u*c,e[4]=E-b*p,e[8]=w*p+S,e[1]=p,e[5]=s*c,e[9]=-h*c,e[2]=-l*c,e[6]=S*p+w,e[10]=b-E*p}else if("XZY"===t.order){var b=s*u,S=s*l,w=h*u,E=h*l;e[0]=u*c,e[4]=-p,e[8]=l*c,e[1]=b*p+E,e[5]=s*c,e[9]=S*p-w,e[2]=w*p-S,e[6]=h*c,e[10]=E*p+b}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},makeRotationFromQuaternion:function(t){var e=this.elements,i=t.x,r=t.y,n=t.z,a=t.w,o=i+i,s=r+r,h=n+n,u=i*o,l=i*s,c=i*h,p=r*s,d=r*h,f=n*h,m=a*o,v=a*s,g=a*h;return e[0]=1-(p+f),e[4]=l-g,e[8]=c+v,e[1]=l+g,e[5]=1-(u+f),e[9]=d-m,e[2]=c-v,e[6]=d+m,e[10]=1-(u+p),e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},lookAt:function(){var t,e,i;return function(r,n,a){void 0==t&&(t=new M.Vector3),void 0==e&&(e=new M.Vector3),void 0==i&&(i=new M.Vector3);var o=this.elements;return i.subVectors(r,n).normalize(),0===i.lengthSq()&&(i.z=1),t.crossVectors(a,i).normalize(),0===t.lengthSq()&&(i.x+=1e-4,t.crossVectors(a,i).normalize()),e.crossVectors(i,t),o[0]=t.x,o[4]=e.x,o[8]=i.x,o[1]=t.y,o[5]=e.y,o[9]=i.y,o[2]=t.z,o[6]=e.z,o[10]=i.z,this}}(),multiply:function(t,e){return void 0===e?this.multiplyMatrices(this,t):this.multiplyMatrices(t,e)},multiplyMatrices:function(t,e){var i=t.elements,r=e.elements,n=this.elements,a=i[0],o=i[4],s=i[8],h=i[12],u=i[1],l=i[5],c=i[9],p=i[13],d=i[2],f=i[6],m=i[10],v=i[14],g=i[3],y=i[7],x=i[11],M=i[15],_=r[0],b=r[4],S=r[8],w=r[12],E=r[1],T=r[5],A=r[9],L=r[13],R=r[2],C=r[6],U=r[10],F=r[14],P=r[3],D=r[7],N=r[11],B=r[15];return n[0]=a*_+o*E+s*R+h*P,n[4]=a*b+o*T+s*C+h*D,n[8]=a*S+o*A+s*U+h*N,n[12]=a*w+o*L+s*F+h*B,n[1]=u*_+l*E+c*R+p*P,n[5]=u*b+l*T+c*C+p*D,n[9]=u*S+l*A+c*U+p*N,n[13]=u*w+l*L+c*F+p*B,n[2]=d*_+f*E+m*R+v*P,n[6]=d*b+f*T+m*C+v*D,n[10]=d*S+f*A+m*U+v*N,n[14]=d*w+f*L+m*F+v*B,n[3]=g*_+y*E+x*R+M*P,n[7]=g*b+y*T+x*C+M*D,n[11]=g*S+y*A+x*U+M*N,n[15]=g*w+y*L+x*F+M*B,this},multiplyToArray:function(t,e,i){var r=this.elements;return this.multiplyMatrices(t,e),i[0]=r[0],i[1]=r[1],i[2]=r[2],i[3]=r[3],i[4]=r[4],i[5]=r[5],i[6]=r[6],i[7]=r[7],i[8]=r[8],i[9]=r[9],i[10]=r[10],i[11]=r[11],i[12]=r[12],i[13]=r[13],i[14]=r[14],i[15]=r[15],this},multiplyScalar:function(t){var e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this},applyToVector3Array:function(){var t;return function(e,i,r){void 0==t&&(t=new M.Vector3),void 0===i&&(i=0),void 0===r&&(r=e.length);for(var n=0,a=i;n<r;n+=3,a+=3)t.fromArray(e,a),t.applyMatrix4(this),t.toArray(e,a);return e}}(),applyToBuffer:function(){var t;return function(e,i,r){void 0==t&&(t=new M.Vector3),void 0===i&&(i=0),void 0===r&&(r=e.length/e.itemSize);for(var n=0,a=i;n<r;n++,a++)t.x=e.getX(a),t.y=e.getY(a),t.z=e.getZ(a),t.applyMatrix4(this),e.setXYZ(t.x,t.y,t.z);return e}}(),determinant:function(){var t=this.elements,e=t[0],i=t[4],r=t[8],n=t[12],a=t[1],o=t[5],s=t[9],h=t[13],u=t[2],l=t[6],c=t[10],p=t[14];return t[3]*(+n*s*l-r*h*l-n*o*c+i*h*c+r*o*p-i*s*p)+t[7]*(+e*s*p-e*h*c+n*a*c-r*a*p+r*h*u-n*s*u)+t[11]*(+e*h*l-e*o*p-n*a*l+i*a*p+n*o*u-i*h*u)+t[15]*(-r*o*u-e*s*l+e*o*c+r*a*l-i*a*c+i*s*u)},transpose:function(){var t,e=this.elements;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},flattenToArrayOffset:function(t,e){var i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t},getPosition:function(){var t;return function(){return void 0==t&&(t=new M.Vector3),t.setFromMatrixColumn(this,3)}}(),setPosition:function(t){var e=this.elements;return e[12]=t.x,e[13]=t.y,e[14]=t.z,this},getInverse:function(t,e){var i=this.elements,r=t.elements,n=r[0],a=r[1],o=r[2],s=r[3],h=r[4],u=r[5],l=r[6],c=r[7],p=r[8],d=r[9],f=r[10],m=r[11],v=r[12],g=r[13],y=r[14],x=r[15],M=d*y*c-g*f*c+g*l*m-u*y*m-d*l*x+u*f*x,_=v*f*c-p*y*c-v*l*m+h*y*m+p*l*x-h*f*x,b=p*g*c-v*d*c+v*u*m-h*g*m-p*u*x+h*d*x,S=v*d*l-p*g*l-v*u*f+h*g*f+p*u*y-h*d*y,w=n*M+a*_+o*b+s*S;if(0==w){if(e)throw new Error("THREE.Matrix4.getInverse(): can't invert matrix, determinant is 0");return this.identity()}return i[0]=M,i[1]=g*f*s-d*y*s-g*o*m+a*y*m+d*o*x-a*f*x,i[2]=u*y*s-g*l*s+g*o*c-a*y*c-u*o*x+a*l*x,i[3]=d*l*s-u*f*s-d*o*c+a*f*c+u*o*m-a*l*m,i[4]=_,i[5]=p*y*s-v*f*s+v*o*m-n*y*m-p*o*x+n*f*x,i[6]=v*l*s-h*y*s-v*o*c+n*y*c+h*o*x-n*l*x,i[7]=h*f*s-p*l*s+p*o*c-n*f*c-h*o*m+n*l*m,i[8]=b,i[9]=v*d*s-p*g*s-v*a*m+n*g*m+p*a*x-n*d*x,i[10]=h*g*s-v*u*s+v*a*c-n*g*c-h*a*x+n*u*x,i[11]=p*u*s-h*d*s-p*a*c+n*d*c+h*a*m-n*u*m,i[12]=S,i[13]=p*g*o-v*d*o+v*a*f-n*g*f-p*a*y+n*d*y,i[14]=v*u*o-h*g*o-v*a*l+n*g*l+h*a*y-n*u*y,i[15]=h*d*o-p*u*o+p*a*l-n*d*l-h*a*f+n*u*f,this.multiplyScalar(1/w)},scale:function(t){var e=this.elements,i=t.x,r=t.y,n=t.z;return e[0]*=i,e[4]*=r,e[8]*=n,e[1]*=i,e[5]*=r,e[9]*=n,e[2]*=i,e[6]*=r,e[10]*=n,e[3]*=i,e[7]*=r,e[11]*=n,this},getMaxScaleOnAxis:function(){var t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return u(v(e,i,r))},makeTranslation:function(t,e,i){return this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this},makeRotationX:function(t){var e=a(t),i=n(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this},makeRotationY:function(t){var e=a(t),i=n(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this},makeRotationZ:function(t){var e=a(t),i=n(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this},makeRotationAxis:function(t,e){var i=a(e),r=n(e),o=1-i,s=t.x,h=t.y,u=t.z,l=o*s,c=o*h;return this.set(l*s+i,l*h-r*u,l*u+r*h,0,l*h+r*u,c*h+i,c*u-r*s,0,l*u-r*h,c*u+r*s,o*u*u+i,0,0,0,0,1),this},makeScale:function(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this},compose:function(t,e,i){return this.makeRotationFromQuaternion(e),this.scale(i),this.setPosition(t),this},decompose:function(){var t,e;return function(i,r,n){void 0==t&&(t=new M.Vector3),void 0==e&&(e=new M.Matrix4);var a=this.elements,o=t.set(a[0],a[1],a[2]).length(),s=t.set(a[4],a[5],a[6]).length(),h=t.set(a[8],a[9],a[10]).length();0>this.determinant()&&(o=-o),i.x=a[12],i.y=a[13],i.z=a[14],e.elements.set(this.elements);var u=1/o,l=1/s,c=1/h;return e.elements[0]*=u,e.elements[1]*=u,e.elements[2]*=u,e.elements[4]*=l,e.elements[5]*=l,e.elements[6]*=l,e.elements[8]*=c,e.elements[9]*=c,e.elements[10]*=c,r.setFromRotationMatrix(e),n.x=o,n.y=s,n.z=h,this}}(),makeFrustum:function(t,e,i,r,n,a){var o=this.elements;return o[0]=2*n/(e-t),o[4]=0,o[8]=(e+t)/(e-t),o[12]=0,o[1]=0,o[5]=2*n/(r-i),o[9]=(r+i)/(r-i),o[13]=0,o[2]=0,o[6]=0,o[10]=-(a+n)/(a-n),o[14]=-2*a*n/(a-n),o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},makePerspective:function(t,e,r,n){var a=r*i(M.Math.degToRad(.5*t)),o=-a;return this.makeFrustum(o*e,a*e,o,a,r,n)},makeOrthographic:function(t,e,i,r,n,a){var o=this.elements,s=1/(e-t),h=1/(i-r),u=1/(a-n);return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-(e+t)*s,o[1]=0,o[5]=2*h,o[9]=0,o[13]=-(i+r)*h,o[2]=0,o[6]=0,o[10]=-2*u,o[14]=-(a+n)*u,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},equals:function(t){for(var e=this.elements,i=t.elements,r=0;16>r;r++)if(e[r]!==i[r])return!1;return!0},fromArray:function(t){return this.elements.set(t),this},toArray:function(){var t=this.elements;return[t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9],t[10],t[11],t[12],t[13],t[14],t[15]]}},M.Plane=function(t,e){this.normal=void 0===t?new M.Vector3(1,0,0):t,this.constant=void 0===e?0:e},M.Plane.prototype={constructor:M.Plane,set:function(t,e){return this.normal.copy(t),this.constant=e,this},setComponents:function(t,e,i,r){return this.normal.set(t,e,i),this.constant=r,this},setFromNormalAndCoplanarPoint:function(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this},setFromCoplanarPoints:function(){var t=new M.Vector3,e=new M.Vector3;return function(i,r,n){var a=t.subVectors(n,r).cross(e.subVectors(i,r)).normalize();return this.setFromNormalAndCoplanarPoint(a,i),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.normal.copy(t.normal),this.constant=t.constant,this},normalize:function(){var t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this},negate:function(){return this.constant*=-1,this.normal.negate(),this},distanceToPoint:function(t){return this.normal.dot(t)+this.constant},distanceToSphere:function(t){return this.distanceToPoint(t.center)-t.radius},projectPoint:function(t,e){return this.orthoPoint(t,e).sub(t).negate()},orthoPoint:function(t,e){var i=this.distanceToPoint(t);return(e||new M.Vector3).copy(this.normal).multiplyScalar(i)},intersectLine:function(){var t=new M.Vector3;return function(e,i){var r=i||new M.Vector3,n=e.delta(t),a=this.normal.dot(n);if(0===a)return 0===this.distanceToPoint(e.start)?r.copy(e.start):void 0;var o=-(e.start.dot(this.normal)+this.constant)/a;return 0>o||1<o?void 0:r.copy(n).multiplyScalar(o).add(e.start)}}(),intersectsLine:function(t){var e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return 0>e&&0<i||0>i&&0<e},intersectsBox:function(t){return t.intersectsPlane(this)},intersectsSphere:function(t){return t.intersectsPlane(this)},coplanarPoint:function(t){return(t||new M.Vector3).copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var t=new M.Vector3,e=new M.Vector3,i=new M.Matrix3;return function(r,n){var a=n||i.getNormalMatrix(r),o=t.copy(this.normal).applyMatrix3(a),s=this.coplanarPoint(e);return s.applyMatrix4(r),this.setFromNormalAndCoplanarPoint(o,s),this}}(),translate:function(t){return this.constant-=t.dot(this.normal),this},equals:function(t){return t.normal.equals(this.normal)&&t.constant===this.constant}},M.Quaternion=function(t,e,i,r){this._x=t||0,this._y=e||0,this._z=i||0,this._w=void 0===r?1:r},M.Quaternion.prototype={constructor:M.Quaternion,get x(){return this._x},set x(t){this._x=t,this.onChangeCallback()},get y(){return this._y},set y(t){this._y=t,this.onChangeCallback()},get z(){return this._z},set z(t){this._z=t,this.onChangeCallback()},get w(){return this._w},set w(t){this._w=t,this.onChangeCallback()},set:function(t,e,i,r){return this._x=t,this._y=e,this._z=i,this._w=r,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this.onChangeCallback(),this},setFromEuler:function(t,e){if(0==t instanceof M.Euler)throw new Error("THREE.Quaternion: .setFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var i=a(t._x/2),r=a(t._y/2),o=a(t._z/2),s=n(t._x/2),h=n(t._y/2),u=n(t._z/2),l=t.order;return"XYZ"===l?(this._x=s*r*o+i*h*u,this._y=i*h*o-s*r*u,this._z=i*r*u+s*h*o,this._w=i*r*o-s*h*u):"YXZ"===l?(this._x=s*r*o+i*h*u,this._y=i*h*o-s*r*u,this._z=i*r*u-s*h*o,this._w=i*r*o+s*h*u):"ZXY"===l?(this._x=s*r*o-i*h*u,this._y=i*h*o+s*r*u,this._z=i*r*u+s*h*o,this._w=i*r*o-s*h*u):"ZYX"===l?(this._x=s*r*o-i*h*u,this._y=i*h*o+s*r*u,this._z=i*r*u-s*h*o,this._w=i*r*o+s*h*u):"YZX"===l?(this._x=s*r*o+i*h*u,this._y=i*h*o+s*r*u,this._z=i*r*u-s*h*o,this._w=i*r*o-s*h*u):"XZY"===l&&(this._x=s*r*o-i*h*u,this._y=i*h*o-s*r*u,this._z=i*r*u+s*h*o,this._w=i*r*o+s*h*u),!1!==e&&this.onChangeCallback(),this},setFromAxisAngle:function(t,e){var i=e/2,r=n(i);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=a(i),this.onChangeCallback(),this},setFromRotationMatrix:function(t){var e,i=t.elements,r=i[0],n=i[4],a=i[8],o=i[1],s=i[5],h=i[9],l=i[2],c=i[6],p=i[10],d=r+s+p;return 0<d?(e=.5/u(d+1),this._w=.25/e,this._x=(c-h)*e,this._y=(a-l)*e,this._z=(o-n)*e):r>s&&r>p?(e=2*u(1+r-s-p),this._w=(c-h)/e,this._x=.25*e,this._y=(n+o)/e,this._z=(a+l)/e):s>p?(e=2*u(1+s-r-p),this._w=(a-l)/e,this._x=(n+o)/e,this._y=.25*e,this._z=(h+c)/e):(e=2*u(1+p-r-s),this._w=(o-n)/e,this._x=(a+l)/e,this._y=(h+c)/e,this._z=.25*e),this.onChangeCallback(),this},setFromUnitVectors:function(){var t,e;return function(i,r){return void 0==t&&(t=new M.Vector3),(e=i.dot(r)+1)<1e-6?(e=0,s(i.x)>s(i.z)?t.set(-i.y,i.x,0):t.set(0,-i.z,i.y)):t.crossVectors(i,r),this._x=t.x,this._y=t.y,this._z=t.z,this._w=e,this.normalize(),this}}(),inverse:function(){return this.conjugate().normalize(),this},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this.onChangeCallback(),this},dot:function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return u(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x*=t,this._y*=t,this._z*=t,this._w*=t),this.onChangeCallback(),this},multiply:function(t,e){return void 0===e?this.multiplyQuaternions(this,t):this.multiplyQuaternions(t,e)},multiplyQuaternions:function(t,e){var i=t._x,r=t._y,n=t._z,a=t._w,o=e._x,s=e._y,h=e._z,u=e._w;return this._x=i*u+a*o+r*h-n*s,this._y=r*u+a*s+n*o-i*h,this._z=n*u+a*h+i*s-r*o,this._w=a*u-i*o-r*s-n*h,this.onChangeCallback(),this},slerp:function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var i=this._x,r=this._y,a=this._z,h=this._w,l=h*t._w+i*t._x+r*t._y+a*t._z;if(0>l?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,l=-l):this.copy(t),1<=l)return this._w=h,this._x=i,this._y=r,this._z=a,this;var c=u(1-l*l);if(.001>s(c))return this._w=.5*(h+this._w),this._x=.5*(i+this._x),this._y=.5*(r+this._y),this._z=.5*(a+this._z),this;var p=o(c,l),d=n((1-e)*p)/c,f=n(e*p)/c;return this._w=h*d+this._w*f,this._x=i*d+this._x*f,this._y=r*d+this._y*f,this._z=a*d+this._z*f,this.onChangeCallback(),this},equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},fromArray:function(t,e){return void 0===e&&(e=0),this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this.onChangeCallback(),this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t},onChange:function(t){return this.onChangeCallback=t,this},onChangeCallback:function(){}},Object.assign(M.Quaternion,{slerp:function(t,e,i,r){return i.copy(t).slerp(e,r)},slerpFlat:function(t,e,i,r,a,s,h){var l=i[r+0],c=i[r+1],p=i[r+2],d=i[r+3],f=a[s+0],m=a[s+1],v=a[s+2],g=a[s+3];if(d!==g||l!==f||c!==m||p!==v){var y=1-h,M=l*f+c*m+p*v+d*g,_=0<=M?1:-1,b=1-M*M;if(b>x){var S=u(b),w=o(S,M*_);y=n(y*w)/S,h=n(h*w)/S}var E=h*_;if(l=l*y+f*E,c=c*y+m*E,p=p*y+v*E,d=d*y+g*E,y==1-h){var T=1/u(l*l+c*c+p*p+d*d);l*=T,c*=T,p*=T,d*=T}}t[e]=l,t[e+1]=c,t[e+2]=p,t[e+3]=d}}),M.Triangle=function(t,e,i){this.a=void 0===t?new M.Vector3:t,this.b=void 0===e?new M.Vector3:e,this.c=void 0===i?new M.Vector3:i},M.Triangle.normal=function(){var t=new M.Vector3;return function(e,i,r,n){var a=n||new M.Vector3;a.subVectors(r,i),t.subVectors(e,i),a.cross(t);var o=a.lengthSq();return 0<o?a.multiplyScalar(1/u(o)):a.set(0,0,0)}}(),M.Triangle.barycoordFromPoint=function(){var t=new M.Vector3,e=new M.Vector3,i=new M.Vector3;return function(r,n,a,o,s){t.subVectors(o,n),e.subVectors(a,n),i.subVectors(r,n);var h=t.dot(t),u=t.dot(e),l=t.dot(i),c=e.dot(e),p=e.dot(i),d=h*c-u*u,f=s||new M.Vector3;if(0==d)return f.set(-2,-1,-1);var m=1/d,v=(c*l-u*p)*m,g=(h*p-u*l)*m;return f.set(1-v-g,g,v)}}(),M.Triangle.containsPoint=function(){var t=new M.Vector3;return function(e,i,r,n){var a=M.Triangle.barycoordFromPoint(e,i,r,n,t);return 0<=a.x&&0<=a.y&&1>=a.x+a.y}}(),M.Triangle.prototype={constructor:M.Triangle,set:function(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this},setFromPointsAndIndices:function(t,e,i,r){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[r]),this},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this},area:function(){var t=new M.Vector3,e=new M.Vector3;return function(){return t.subVectors(this.c,this.b),e.subVectors(this.a,this.b),.5*t.cross(e).length()}}(),midpoint:function(t){return(t||new M.Vector3).addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},normal:function(t){return M.Triangle.normal(this.a,this.b,this.c,t)},plane:function(t){return(t||new M.Plane).setFromCoplanarPoints(this.a,this.b,this.c)},barycoordFromPoint:function(t,e){return M.Triangle.barycoordFromPoint(t,this.a,this.b,this.c,e)},containsPoint:function(t){return M.Triangle.containsPoint(t,this.a,this.b,this.c)},equals:function(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}},M.Box3=function(t,e){this.min=void 0===t?new M.Vector3(1/0,1/0,1/0):t,this.max=void 0===e?new M.Vector3(-1/0,-1/0,-1/0):e},M.Box3.prototype={constructor:M.Box3,set:function(t,e){return this.min.copy(t),this.max.copy(e),this},setFromArray:function(t){this.makeEmpty();for(var e=1/0,i=1/0,r=1/0,n=-1/0,a=-1/0,o=-1/0,s=0,h=t.length;s<h;s+=3){var u=t[s],l=t[s+1],c=t[s+2];u<e&&(e=u),l<i&&(i=l),c<r&&(r=c),u>n&&(n=u),l>a&&(a=l),c>o&&(o=c)}this.min.set(e,i,r),this.max.set(n,a,o)},setFromPoints:function(t){this.makeEmpty();for(var e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this},setFromCenterAndSize:function(){var t=new M.Vector3;return function(e,i){var r=t.copy(i).multiplyScalar(.5);return this.min.copy(e).sub(r),this.max.copy(e).add(r),this}}(),setFromObject:function(){var t;return function(e){void 0==t&&(t=new M.Box3);var i=this;return this.makeEmpty(),e.updateMatrixWorld(!0),e.traverse(function(e){var r=e.geometry;void 0!==r&&(null===r.boundingBox&&r.computeBoundingBox(),!1===r.boundingBox.isEmpty()&&(t.copy(r.boundingBox),t.applyMatrix4(e.matrixWorld),i.union(t)))}),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.min.copy(t.min),this.max.copy(t.max),this},makeEmpty:function(){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:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},center:function(t){return(t||new M.Vector3).addVectors(this.min,this.max).multiplyScalar(.5)},size:function(t){return(t||new M.Vector3).subVectors(this.max,this.min)},expandByPoint:function(t){return this.min.min(t),this.max.max(t),this},expandByVector:function(t){return this.min.sub(t),this.max.add(t),this},expandByScalar:function(t){return this.min.addScalar(-t),this.max.addScalar(t),this},containsPoint:function(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)},containsBox:function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z},getParameter:function(t,e){return(e||new M.Vector3).set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)},intersectsSphere:function(){var t;return function(e){return void 0==t&&(t=new M.Vector3),this.clampPoint(e.center,t),t.distanceToSquared(e.center)<=e.radius*e.radius}}(),intersectsPlane:function(t){var e,i;return 0<t.normal.x?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),0<t.normal.y?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),0<t.normal.z?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=t.constant&&i>=t.constant},clampPoint:function(t,e){return(e||new M.Vector3).copy(t).clamp(this.min,this.max)},distanceToPoint:function(){var t=new M.Vector3;return function(e){return t.copy(e).clamp(this.min,this.max).sub(e).length()}}(),getBoundingSphere:function(){var t=new M.Vector3;return function(e){var i=e||new M.Sphere;return i.center=this.center(),i.radius=.5*this.size(t).length(),i}}(),intersect:function(t){return this.min.max(t.min),this.max.min(t.max),this},union:function(t){return this.min.min(t.min),this.max.max(t.max),this},applyMatrix4:function(){var t=[new M.Vector3,new M.Vector3,new M.Vector3,new M.Vector3,new M.Vector3,new M.Vector3,new M.Vector3,new M.Vector3];return function(e){return t[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),t[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),t[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),t[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),t[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),t[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),t[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),t[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.makeEmpty(),this.setFromPoints(t),this}}(),translate:function(t){return this.min.add(t),this.max.add(t),this},equals:function(t){return t.min.equals(this.min)&&t.max.equals(this.max)}},M.Euler=function(t,e,i,r){this._x=t||0,this._y=e||0,this._z=i||0,this._order=r||M.Euler.DefaultOrder},M.Euler.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],M.Euler.DefaultOrder="XYZ",M.Euler.prototype={constructor:M.Euler,get x(){return this._x},set x(t){this._x=t,this.onChangeCallback()},get y(){return this._y},set y(t){this._y=t,this.onChangeCallback()},get z(){return this._z},set z(t){this._z=t,this.onChangeCallback()},get order(){return this._order},set order(t){this._order=t,this.onChangeCallback()},set:function(t,e,i,r){return this._x=t,this._y=e,this._z=i,this._order=r||this._order,this.onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this.onChangeCallback(),this},setFromRotationMatrix:function(t,e,i){var r=Math.asin,n=M.Math.clamp,a=t.elements,h=a[0],u=a[4],l=a[8],c=a[1],p=a[5],d=a[9],f=a[2],m=a[6],v=a[10];return"XYZ"===(e=e||this._order)?(this._y=r(n(l,-1,1)),.99999>s(l)?(this._x=o(-d,v),this._z=o(-u,h)):(this._x=o(m,p),this._z=0)):"YXZ"===e?(this._x=r(-n(d,-1,1)),.99999>s(d)?(this._y=o(l,v),this._z=o(c,p)):(this._y=o(-f,h),this._z=0)):"ZXY"===e?(this._x=r(n(m,-1,1)),.99999>s(m)?(this._y=o(-f,v),this._z=o(-u,p)):(this._y=0,this._z=o(c,h))):"ZYX"===e?(this._y=r(-n(f,-1,1)),.99999>s(f)?(this._x=o(m,v),this._z=o(c,h)):(this._x=0,this._z=o(-u,p))):"YZX"===e?(this._z=r(n(c,-1,1)),.99999>s(c)?(this._x=o(-d,p),this._y=o(-f,h)):(this._x=0,this._y=o(l,v))):"XZY"===e&&(this._z=r(-n(u,-1,1)),.99999>s(u)?(this._x=o(m,p),this._y=o(l,h)):(this._x=o(-d,v),this._y=0)),this._order=e,!1!==i&&this.onChangeCallback(),this},setFromQuaternion:function(){var t;return function(e,i,r){return void 0==t&&(t=new M.Matrix4),t.makeRotationFromQuaternion(e),this.setFromRotationMatrix(t,i,r),this}}(),setFromVector3:function(t,e){return this.set(t.x,t.y,t.z,e||this._order)},reorder:function(){var t=new M.Quaternion;return function(e){t.setFromEuler(this),this.setFromQuaternion(t,e)}}(),equals:function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},fromArray:function(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this.onChangeCallback(),this},toArray:function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t},toVector3:function(t){return t?t.set(this._x,this._y,this._z):new M.Vector3(this._x,this._y,this._z)},onChange:function(t){return this.onChangeCallback=t,this},onChangeCallback:function(){}},M.Ray=function(t,e){this.origin=void 0===t?new M.Vector3:t,this.direction=void 0===e?new M.Vector3:e},M.Ray.prototype={constructor:M.Ray,set:function(t,e){return this.origin.copy(t),this.direction.copy(e),this},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this},at:function(t,e){return(e||new M.Vector3).copy(this.direction).multiplyScalar(t).add(this.origin)},lookAt:function(t){this.direction.copy(t).sub(this.origin).normalize()},recast:function(){var t=new M.Vector3;return function(e){return this.origin.copy(this.at(e,t)),this}}(),closestPointToPoint:function(t,e){var i=e||new M.Vector3;i.subVectors(t,this.origin);var r=i.dot(this.direction);return 0>r?i.copy(this.origin):i.copy(this.direction).multiplyScalar(r).add(this.origin)},distanceToPoint:function(t){return u(this.distanceSqToPoint(t))},distanceSqToPoint:function(){var t=new M.Vector3;return function(e){var i=t.subVectors(e,this.origin).dot(this.direction);return 0>i?this.origin.distanceToSquared(e):(t.copy(this.direction).multiplyScalar(i).add(this.origin),t.distanceToSquared(e))}}(),distanceSqToSegment:function(){var t=new M.Vector3,e=new M.Vector3,i=new M.Vector3;return function(r,n,a,o){t.copy(r).add(n).multiplyScalar(.5),e.copy(n).sub(r).normalize(),i.copy(this.origin).sub(t);var h,u,l,c,p=.5*r.distanceTo(n),d=-this.direction.dot(e),f=i.dot(this.direction),m=-i.dot(e),y=i.lengthSq(),x=s(1-d*d);if(0<x)if(h=d*m-f,u=d*f-m,c=p*x,0<=h)if(u>=-c)if(u<=c){var M=1/x;l=(h*=M)*(h+d*(u*=M)+2*f)+u*(d*h+u+2*m)+y}else u=p,h=v(0,-(d*u+f)),l=-h*h+u*(u+2*m)+y;else u=-p,h=v(0,-(d*u+f)),l=-h*h+u*(u+2*m)+y;else u<=-c?(h=v(0,-(-d*p+f)),u=0<h?-p:g(v(-p,-m),p),l=-h*h+u*(u+2*m)+y):u<=c?(h=0,u=g(v(-p,-m),p),l=u*(u+2*m)+y):(h=v(0,-(d*p+f)),u=0<h?p:g(v(-p,-m),p),l=-h*h+u*(u+2*m)+y);else u=0<d?-p:p,h=v(0,-(d*u+f)),l=-h*h+u*(u+2*m)+y;return a&&a.copy(this.direction).multiplyScalar(h).add(this.origin),o&&o.copy(e).multiplyScalar(u).add(t),l}}(),intersectSphere:function(){var t=new M.Vector3;return function(e,i){t.subVectors(e.center,this.origin);var r=t.dot(this.direction),n=t.dot(t)-r*r,a=e.radius*e.radius;if(n>a)return null;var o=u(a-n),s=r-o,h=r+o;return 0>s&&0>h?null:0>s?this.at(h,i):this.at(s,i)}}(),intersectsSphere:function(t){return this.distanceToPoint(t.center)<=t.radius},distanceToPlane:function(t){var e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;var i=-(this.origin.dot(t.normal)+t.constant)/e;return 0<=i?i:null},intersectPlane:function(t,e){var i=this.distanceToPlane(t);return null===i?null:this.at(i,e)},intersectsPlane:function(t){var e=t.distanceToPoint(this.origin);return 0===e||!!(0>t.normal.dot(this.direction)*e)},intersectBox:function(t,e){var i,r,n,a,o,s,h=1/this.direction.x,u=1/this.direction.y,l=1/this.direction.z,c=this.origin;return 0<=h?(i=(t.min.x-c.x)*h,r=(t.max.x-c.x)*h):(i=(t.max.x-c.x)*h,r=(t.min.x-c.x)*h),0<=u?(n=(t.min.y-c.y)*u,a=(t.max.y-c.y)*u):(n=(t.max.y-c.y)*u,a=(t.min.y-c.y)*u),i>a||n>r?null:((n>i||i!==i)&&(i=n),(a<r||r!==r)&&(r=a),0<=l?(o=(t.min.z-c.z)*l,s=(t.max.z-c.z)*l):(o=(t.max.z-c.z)*l,s=(t.min.z-c.z)*l),i>s||o>r?null:((o>i||i!==i)&&(i=o),(s<r||r!==r)&&(r=s),0>r?null:this.at(0<=i?i:r,e)))},intersectsBox:function(){var t=new M.Vector3;return function(e){return null!==this.intersectBox(e,t)}}(),intersectTriangle:function(){var t=new M.Vector3,e=new M.Vector3,i=new M.Vector3,r=new M.Vector3;return function(n,a,o,s,h){e.subVectors(a,n),i.subVectors(o,n),r.crossVectors(e,i);var u,l=this.direction.dot(r);if(0<l){if(s)return null;u=1}else{if(!(0>l))return null;u=-1,l=-l}t.subVectors(this.origin,n);var c=u*this.direction.dot(i.crossVectors(t,i));if(0>c)return null;var p=u*this.direction.dot(e.cross(t));if(0>p)return null;if(c+p>l)return null;var d=-u*t.dot(r);return 0>d?null:this.at(d/l,h)}}(),applyMatrix4:function(t){return this.direction.add(this.origin).applyMatrix4(t),this.origin.applyMatrix4(t),this.direction.sub(this.origin),this.direction.normalize(),this},equals:function(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}},M.Sphere=function(t,e){this.center=void 0===t?new M.Vector3:t,this.radius=void 0===e?0:e},M.Sphere.prototype={constructor:M.Sphere,set:function(t,e){return this.center.copy(t),this.radius=e,this},setFromPoints:function(){var t=new M.Box3;return function(e,i){var r=this.center;void 0===i?t.setFromPoints(e).center(r):r.copy(i);for(var n=0,a=0,o=e.length;a<o;a++)n=v(n,r.distanceToSquared(e[a]));return this.radius=u(n),this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.center.copy(t.center),this.radius=t.radius,this},empty:function(){return 0>=this.radius},containsPoint:function(t){return t.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(t){return t.distanceTo(this.center)-this.radius},intersectsSphere:function(t){var e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e},intersectsBox:function(t){return t.intersectsSphere(this)},intersectsPlane:function(t){return s(this.center.dot(t.normal)-t.constant)<=this.radius},clampPoint:function(t,e){var i=this.center.distanceToSquared(t),r=e||new M.Vector3;return r.copy(t),i>this.radius*this.radius&&(r.sub(this.center).normalize(),r.multiplyScalar(this.radius).add(this.center)),r},getBoundingBox:function(t){var e=t||new M.Box3;return e.set(this.center,this.center),e.expandByScalar(this.radius),e},applyMatrix4:function(t){return this.center.applyMatrix4(t),this.radius*=t.getMaxScaleOnAxis(),this},translate:function(t){return this.center.add(t),this},equals:function(t){return t.center.equals(this.center)&&t.radius===this.radius}},M.Frustum=function(t,e,i,r,n,a){this.planes=[void 0===t?new M.Plane:t,void 0===e?new M.Plane:e,void 0===i?new M.Plane:i,void 0===r?new M.Plane:r,void 0===n?new M.Plane:n,void 0===a?new M.Plane:a]},M.Frustum.prototype={constructor:M.Frustum,set:function(t,e,i,r,n,a){var o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(i),o[3].copy(r),o[4].copy(n),o[5].copy(a),this},clone:function(){return(new this.constructor).copy(this)},copy:function(t){for(var e=this.planes,i=0;6>i;i++)e[i].copy(t.planes[i]);return this},setFromMatrix:function(t){var e=this.planes,i=t.elements,r=i[0],n=i[1],a=i[2],o=i[3],s=i[4],h=i[5],u=i[6],l=i[7],c=i[8],p=i[9],d=i[10],f=i[11],m=i[12],v=i[13],g=i[14],y=i[15];return e[0].setComponents(o-r,l-s,f-c,y-m).normalize(),e[1].setComponents(o+r,l+s,f+c,y+m).normalize(),e[2].setComponents(o+n,l+h,f+p,y+v).normalize(),e[3].setComponents(o-n,l-h,f-p,y-v).normalize(),e[4].setComponents(o-a,l-u,f-d,y-g).normalize(),e[5].setComponents(o+a,l+u,f+d,y+g).normalize(),this},intersectsObject:function(){var t=new M.Sphere;return function(e){var i=e.geometry;return null===i.boundingSphere&&i.computeBoundingSphere(),t.copy(i.boundingSphere),t.applyMatrix4(e.matrixWorld),this.intersectsSphere(t)}}(),intersectsSphere:function(t){for(var e=this.planes,i=t.center,r=-t.radius,n=0;6>n;n++)if(e[n].distanceToPoint(i)<r)return!1;return!0},intersectsBox:function(){var t=new M.Vector3,e=new M.Vector3;return function(i){for(var r,n=this.planes,a=0;6>a;a++){r=n[a],t.x=0<r.normal.x?i.min.x:i.max.x,e.x=0<r.normal.x?i.max.x:i.min.x,t.y=0<r.normal.y?i.min.y:i.max.y,e.y=0<r.normal.y?i.max.y:i.min.y,t.z=0<r.normal.z?i.min.z:i.max.z,e.z=0<r.normal.z?i.max.z:i.min.z;var o=r.distanceToPoint(t),s=r.distanceToPoint(e);if(0>o&&0>s)return!1}return!0}}(),containsPoint:function(t){for(var e=this.planes,i=0;6>i;i++)if(0>e[i].distanceToPoint(t))return!1;return!0}},M.EventDispatcher=function(){},M.EventDispatcher.prototype={constructor:M.EventDispatcher,apply:function(t){t.addEventListener=M.EventDispatcher.prototype.addEventListener,t.hasEventListener=M.EventDispatcher.prototype.hasEventListener,t.removeEventListener=M.EventDispatcher.prototype.removeEventListener,t.dispatchEvent=M.EventDispatcher.prototype.dispatchEvent},addEventListener:function(t,e){void 0===this._listeners&&(this._listeners={});var i=this._listeners;void 0===i[t]&&(i[t]=[]),-1===i[t].indexOf(e)&&i[t].push(e)},hasEventListener:function(t,e){if(void 0===this._listeners)return!1;var i=this._listeners;return void 0!==i[t]&&-1!==i[t].indexOf(e)},removeEventListener:function(t,e){if(void 0!==this._listeners){var i=this._listeners[t];if(void 0!==i){var r=i.indexOf(e);-1!==r&&i.splice(r,1)}}},dispatchEvent:function(t){if(void 0!==this._listeners){var e=this._listeners[t.type];if(void 0!==e){t.target=this;for(var i=[],r=e.length,n=0;n<r;n++)i[n]=e[n];for(n=0;n<r;n++)i[n].call(this,t)}}}},M.Layers=function(){this.mask=1},M.Layers.prototype={constructor:M.Layers,set:function(t){this.mask=1<<t},enable:function(t){this.mask|=1<<t},toggle:function(t){this.mask^=1<<t},disable:function(t){this.mask&=~(1<<t)},test:function(t){return 0!=(this.mask&t.mask)}},M.Object3D=function(){Object.defineProperty(this,"id",{value:M.Object3DIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=M.Object3D.DefaultUp.clone();var t=new M.Vector3,e=new M.Euler,i=new M.Quaternion,r=new M.Vector3(1,1,1);e.onChange(function(){i.setFromEuler(e,!1)}),i.onChange(function(){e.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{enumerable:!0,value:t},rotation:{enumerable:!0,value:e},quaternion:{enumerable:!0,value:i},scale:{enumerable:!0,value:r},modelViewMatrix:{value:new M.Matrix4},normalMatrix:{value:new M.Matrix3}}),this.rotationAutoUpdate=!0,this.matrix=new M.Matrix4,this.matrixWorld=new M.Matrix4,this.matrixAutoUpdate=M.Object3D.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new M.Layers,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.userData={}},M.Object3D.DefaultUp=new M.Vector3(0,1,0),M.Object3D.DefaultMatrixAutoUpdate=!0,M.Object3D.prototype={constructor:M.Object3D,applyMatrix:function(t){this.matrix.multiplyMatrices(t,this.matrix),this.matrix.decompose(this.position,this.quaternion,this.scale)},setRotationFromAxisAngle:function(t,e){this.quaternion.setFromAxisAngle(t,e)},setRotationFromEuler:function(t){this.quaternion.setFromEuler(t,!0)},setRotationFromMatrix:function(t){this.quaternion.setFromRotationMatrix(t)},setRotationFromQuaternion:function(t){this.quaternion.copy(t)},rotateOnAxis:function(){var t=new M.Quaternion;return function(e,i){return t.setFromAxisAngle(e,i),this.quaternion.multiply(t),this}}(),rotateX:function(){var t=new M.Vector3(1,0,0);return function(e){return this.rotateOnAxis(t,e)}}(),rotateY:function(){var t=new M.Vector3(0,1,0);return function(e){return this.rotateOnAxis(t,e)}}(),rotateZ:function(){var t=new M.Vector3(0,0,1);return function(e){return this.rotateOnAxis(t,e)}}(),translateOnAxis:function(){var t=new M.Vector3;return function(e,i){return t.copy(e).applyQuaternion(this.quaternion),this.position.add(t.multiplyScalar(i)),this}}(),translateX:function(){var t=new M.Vector3(1,0,0);return function(e){return this.translateOnAxis(t,e)}}(),translateY:function(){var t=new M.Vector3(0,1,0);return function(e){return this.translateOnAxis(t,e)}}(),translateZ:function(){var t=new M.Vector3(0,0,1);return function(e){return this.translateOnAxis(t,e)}}(),localToWorld:function(t){return t.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var t=new M.Matrix4;return function(e){return e.applyMatrix4(t.getInverse(this.matrixWorld))}}(),lookAt:function(){var t=new M.Matrix4;return function(e){t.lookAt(e,this.position,this.up),this.quaternion.setFromRotationMatrix(t)}}(),add:function(t){if(1<arguments.length){for(var e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return t===this?this:(t instanceof M.Object3D&&(null!==t.parent&&t.parent.remove(t),t.parent=this,t.dispatchEvent({type:"added"}),this.children.push(t)),this)},remove:function(t){if(1<arguments.length)for(var e=0;e<arguments.length;e++)this.remove(arguments[e]);var i=this.children.indexOf(t);-1!==i&&(t.parent=null,t.dispatchEvent({type:"removed"}),this.children.splice(i,1))},getObjectById:function(t){return this.getObjectByProperty("id",t)},getObjectByName:function(t){return this.getObjectByProperty("name",t)},getObjectByProperty:function(t,e){if(this[t]===e)return this;for(var i=0,r=this.children.length;i<r;i++){var n=this.children[i].getObjectByProperty(t,e);if(void 0!==n)return n}},getWorldPosition:function(t){var e=t||new M.Vector3;return this.updateMatrixWorld(!0),e.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var t=new M.Vector3,e=new M.Vector3;return function(i){var r=i||new M.Quaternion;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(t,r,e),r}}(),getWorldRotation:function(){var t=new M.Quaternion;return function(e){var i=e||new M.Euler;return this.getWorldQuaternion(t),i.setFromQuaternion(t,this.rotation.order,!1)}}(),getWorldScale:function(){var t=new M.Vector3,e=new M.Quaternion;return function(i){var r=i||new M.Vector3;return this.updateMatrixWorld(!0),this.matrixWorld.decompose(t,e,r),r}}(),getWorldDirection:function(){var t=new M.Quaternion;return function(e){var i=e||new M.Vector3;return this.getWorldQuaternion(t),i.set(0,0,1).applyQuaternion(t)}}(),raycast:function(){},traverse:function(t){t(this);for(var e=this.children,i=0,r=e.length;i<r;i++)e[i].traverse(t)},traverseVisible:function(t){if(!1!==this.visible){t(this);for(var e=this.children,i=0,r=e.length;i<r;i++)e[i].traverseVisible(t)}},traverseAncestors:function(t){var e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(t){!0===this.matrixAutoUpdate&&this.updateMatrix(),(!0===this.matrixWorldNeedsUpdate||!0===t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);for(var e=0,i=this.children.length;e<i;e++)this.children[e].updateMatrixWorld(t)},toJSON:function(t){function e(t){var e=[];for(var i in t){var r=t[i];delete r.metadata,e.push(r)}return e}var i=void 0===t,r={};i&&(t={geometries:{},materials:{},textures:{},images:{}},r.metadata={version:4.4,type:"Object",generator:"Object3D.toJSON"});var n={};if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),n.matrix=this.matrix.toArray(),void 0!==this.geometry&&(void 0===t.geometries[this.geometry.uuid]&&(t.geometries[this.geometry.uuid]=this.geometry.toJSON(t)),n.geometry=this.geometry.uuid),void 0!==this.material&&(void 0===t.materials[this.material.uuid]&&(t.materials[this.material.uuid]=this.material.toJSON(t)),n.material=this.material.uuid),0<this.children.length){n.children=[];for(var a=0;a<this.children.length;a++)n.children.push(this.children[a].toJSON(t).object)}if(i){var o=e(t.geometries),s=e(t.materials),h=e(t.textures),u=e(t.images);0<o.length&&(r.geometries=o),0<s.length&&(r.materials=s),0<h.length&&(r.textures=h),0<u.length&&(r.images=u)}return r.object=n,r},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e){if(void 0===e&&(e=!0),this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.rotationAutoUpdate=t.rotationAutoUpdate,this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(var i,r=0;r<t.children.length;r++)i=t.children[r],this.add(i.clone());return this}},M.EventDispatcher.prototype.apply(M.Object3D.prototype),M.Object3DIdCount=0,M.Face3=function(t,e,i,r,n,a){this.a=t,this.b=e,this.c=i,this.normal=r instanceof M.Vector3?r:new M.Vector3,this.vertexNormals=Array.isArray(r)?r:[],this.color=n instanceof M.Color?n:new M.Color,this.vertexColors=Array.isArray(n)?n:[],this.materialIndex=void 0===a?0:a},M.Face3.prototype={constructor:M.Face3,clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.a=t.a,this.b=t.b,this.c=t.c,this.normal.copy(t.normal),this.color.copy(t.color),this.materialIndex=t.materialIndex;for(var e=0,i=t.vertexNormals.length;e<i;e++)this.vertexNormals[e]=t.vertexNormals[e].clone();for(var e=0,i=t.vertexColors.length;e<i;e++)this.vertexColors[e]=t.vertexColors[e].clone();return this}},M.BufferAttribute=function(t,e){this.uuid=M.Math.generateUUID(),this.array=t,this.itemSize=e,this.dynamic=!1,this.updateRange={offset:0,count:-1},this.version=0},M.BufferAttribute.prototype={constructor:M.BufferAttribute,get count(){return this.array.length/this.itemSize},set needsUpdate(t){!0===t&&this.version++},setDynamic:function(t){return this.dynamic=t,this},copy:function(t){return this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.dynamic=t.dynamic,this},copyAt:function(t,e,i){t*=this.itemSize,i*=e.itemSize;for(var r=0,n=this.itemSize;r<n;r++)this.array[t+r]=e.array[i+r];return this},copyArray:function(t){return this.array.set(t),this},copyColorsArray:function(t){for(var e,i=this.array,r=0,n=0,a=t.length;n<a;n++)void 0===(e=t[n])&&(e=new M.Color),i[r++]=e.r,i[r++]=e.g,i[r++]=e.b;return this},copyIndicesArray:function(t){for(var e,i=this.array,r=0,n=0,a=t.length;n<a;n++)e=t[n],i[r++]=e.a,i[r++]=e.b,i[r++]=e.c;return this},copyVector2sArray:function(t){for(var e,i=this.array,r=0,n=0,a=t.length;n<a;n++)void 0===(e=t[n])&&(e=new M.Vector2),i[r++]=e.x,i[r++]=e.y;return this},copyVector3sArray:function(t){for(var e,i=this.array,r=0,n=0,a=t.length;n<a;n++)void 0===(e=t[n])&&(e=new M.Vector3),i[r++]=e.x,i[r++]=e.y,i[r++]=e.z;return this},copyVector4sArray:function(t){for(var e,i=this.array,r=0,n=0,a=t.length;n<a;n++)void 0===(e=t[n])&&(e=new M.Vector4),i[r++]=e.x,i[r++]=e.y,i[r++]=e.z,i[r++]=e.w;return this},set:function(t,e){return void 0===e&&(e=0),this.array.set(t,e),this},getX:function(t){return this.array[t*this.itemSize]},setX:function(t,e){return this.array[t*this.itemSize]=e,this},getY:function(t){return this.array[t*this.itemSize+1]},setY:function(t,e){return this.array[t*this.itemSize+1]=e,this},getZ:function(t){return this.array[t*this.itemSize+2]},setZ:function(t,e){return this.array[t*this.itemSize+2]=e,this},getW:function(t){return this.array[t*this.itemSize+3]},setW:function(t,e){return this.array[t*this.itemSize+3]=e,this},setXY:function(t,e,i){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=i,this},setXYZ:function(t,e,i,r){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=r,this},setXYZW:function(t,e,i,r,n){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=r,this.array[t+3]=n,this},clone:function(){return(new this.constructor).copy(this)}},M.Int8Attribute=function(t,e){return new M.BufferAttribute(new Int8Array(t),e)},M.Uint8Attribute=function(t,e){return new M.BufferAttribute(new Uint8Array(t),e)},M.Uint8ClampedAttribute=function(t,e){return new M.BufferAttribute(new Uint8ClampedArray(t),e)},M.Int16Attribute=function(t,e){return new M.BufferAttribute(new Int16Array(t),e)},M.Uint16Attribute=function(t,e){return new M.BufferAttribute(new Uint16Array(t),e)},M.Int32Attribute=function(t,e){return new M.BufferAttribute(new Int32Array(t),e)},M.Uint32Attribute=function(t,e){return new M.BufferAttribute(new Uint32Array(t),e)},M.Float32Attribute=function(t,e){return new M.BufferAttribute(new Float32Array(t),e)},M.Float64Attribute=function(t,e){return new M.BufferAttribute(new Float64Array(t),e)},M.DynamicBufferAttribute=function(t,e){return new M.BufferAttribute(t,e).setDynamic(!0)},M.InstancedBufferAttribute=function(t,e,i){M.BufferAttribute.call(this,t,e),this.meshPerAttribute=i||1},M.InstancedBufferAttribute.prototype=Object.create(M.BufferAttribute.prototype),M.InstancedBufferAttribute.prototype.constructor=M.InstancedBufferAttribute,M.InstancedBufferAttribute.prototype.copy=function(t){return M.BufferAttribute.prototype.copy.call(this,t),this.meshPerAttribute=t.meshPerAttribute,this},M.BufferGeometry=function(){Object.defineProperty(this,"id",{value:M.GeometryIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0}},M.BufferGeometry.prototype={constructor:M.BufferGeometry,getIndex:function(){return this.index},setIndex:function(t){this.index=t},addAttribute:function(t,e){return 0==e instanceof M.BufferAttribute&&0==e instanceof M.InterleavedBufferAttribute?void this.addAttribute(t,new M.BufferAttribute(arguments[1],arguments[2])):"index"===t?void this.setIndex(e):(this.attributes[t]=e,this)},getAttribute:function(t){return this.attributes[t]},removeAttribute:function(t){return delete this.attributes[t],this},addGroup:function(t,e,i){this.groups.push({start:t,count:e,materialIndex:void 0===i?0:i})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix:function(t){var e=this.attributes.position;void 0!==e&&(t.applyToVector3Array(e.array),e.needsUpdate=!0);var i=this.attributes.normal;return void 0!==i&&((new M.Matrix3).getNormalMatrix(t).applyToVector3Array(i.array),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationX(e),this.applyMatrix(t),this}}(),rotateY:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationY(e),this.applyMatrix(t),this}}(),rotateZ:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationZ(e),this.applyMatrix(t),this}}(),translate:function(){var t;return function(e,i,r){return void 0==t&&(t=new M.Matrix4),t.makeTranslation(e,i,r),this.applyMatrix(t),this}}(),scale:function(){var t;return function(e,i,r){return void 0==t&&(t=new M.Matrix4),t.makeScale(e,i,r),this.applyMatrix(t),this}}(),lookAt:function(){var t;return function(e){void 0==t&&(t=new M.Object3D),t.lookAt(e),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),center:function(){this.computeBoundingBox();var t=this.boundingBox.center().negate();return this.translate(t.x,t.y,t.z),t},setFromObject:function(t){var e=t.geometry;if(t instanceof M.Points||t instanceof M.Line){var i=new M.Float32Attribute(3*e.vertices.length,3),r=new M.Float32Attribute(3*e.colors.length,3);if(this.addAttribute("position",i.copyVector3sArray(e.vertices)),this.addAttribute("color",r.copyColorsArray(e.colors)),e.lineDistances&&e.lineDistances.length===e.vertices.length){var n=new M.Float32Attribute(e.lineDistances.length,1);this.addAttribute("lineDistance",n.copyArray(e.lineDistances))}null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone())}else t instanceof M.Mesh&&e instanceof M.Geometry&&this.fromGeometry(e);return this},updateFromObject:function(t){var e=t.geometry;if(t instanceof M.Mesh){var i=e.__directGeometry;if(void 0===i)return this.fromGeometry(e);i.verticesNeedUpdate=e.verticesNeedUpdate,i.normalsNeedUpdate=e.normalsNeedUpdate,i.colorsNeedUpdate=e.colorsNeedUpdate,i.uvsNeedUpdate=e.uvsNeedUpdate,i.groupsNeedUpdate=e.groupsNeedUpdate,e.verticesNeedUpdate=!1,e.normalsNeedUpdate=!1,e.colorsNeedUpdate=!1,e.uvsNeedUpdate=!1,e.groupsNeedUpdate=!1,e=i}if(!0===e.verticesNeedUpdate&&(void 0!==(r=this.attributes.position)&&(r.copyVector3sArray(e.vertices),r.needsUpdate=!0),e.verticesNeedUpdate=!1),!0===e.normalsNeedUpdate&&(void 0!==(r=this.attributes.normal)&&(r.copyVector3sArray(e.normals),r.needsUpdate=!0),e.normalsNeedUpdate=!1),!0===e.colorsNeedUpdate&&(void 0!==(r=this.attributes.color)&&(r.copyColorsArray(e.colors),r.needsUpdate=!0),e.colorsNeedUpdate=!1),e.uvsNeedUpdate&&(void 0!==(r=this.attributes.uv)&&(r.copyVector2sArray(e.uvs),r.needsUpdate=!0),e.uvsNeedUpdate=!1),e.lineDistancesNeedUpdate){var r=this.attributes.lineDistance;void 0!==r&&(r.copyArray(e.lineDistances),r.needsUpdate=!0),e.lineDistancesNeedUpdate=!1}return e.groupsNeedUpdate&&(e.computeGroups(t.geometry),this.groups=e.groups,e.groupsNeedUpdate=!1),this},fromGeometry:function(t){return t.__directGeometry=(new M.DirectGeometry).fromGeometry(t),this.fromDirectGeometry(t.__directGeometry)},fromDirectGeometry:function(t){var e=new Float32Array(3*t.vertices.length);if(this.addAttribute("position",new M.BufferAttribute(e,3).copyVector3sArray(t.vertices)),0<t.normals.length){var i=new Float32Array(3*t.normals.length);this.addAttribute("normal",new M.BufferAttribute(i,3).copyVector3sArray(t.normals))}if(0<t.colors.length){var r=new Float32Array(3*t.colors.length);this.addAttribute("color",new M.BufferAttribute(r,3).copyColorsArray(t.colors))}if(0<t.uvs.length){var n=new Float32Array(2*t.uvs.length);this.addAttribute("uv",new M.BufferAttribute(n,2).copyVector2sArray(t.uvs))}if(0<t.uvs2.length){var a=new Float32Array(2*t.uvs2.length);this.addAttribute("uv2",new M.BufferAttribute(a,2).copyVector2sArray(t.uvs2))}if(0<t.indices.length){var o=new(65535<t.vertices.length?Uint32Array:Uint16Array)(3*t.indices.length);this.setIndex(new M.BufferAttribute(o,1).copyIndicesArray(t.indices))}for(var s in this.groups=t.groups,t.morphTargets){for(var h=[],u=t.morphTargets[s],l=0,c=u.length;l<c;l++){var p=u[l],d=new M.Float32Attribute(3*p.length,3);h.push(d.copyVector3sArray(p))}this.morphAttributes[s]=h}if(0<t.skinIndices.length){var f=new M.Float32Attribute(4*t.skinIndices.length,4);this.addAttribute("skinIndex",f.copyVector4sArray(t.skinIndices))}if(0<t.skinWeights.length){var m=new M.Float32Attribute(4*t.skinWeights.length,4);this.addAttribute("skinWeight",m.copyVector4sArray(t.skinWeights))}return null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this},computeBoundingBox:(new M.Vector3,function(){null===this.boundingBox&&(this.boundingBox=new M.Box3);var t=this.attributes.position.array;t&&this.boundingBox.setFromArray(t),(void 0===t||0===t.length)&&(this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)),isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z)}),computeBoundingSphere:function(){var t=new M.Box3,e=new M.Vector3;return function(){null===this.boundingSphere&&(this.boundingSphere=new M.Sphere);var i=this.attributes.position.array;if(i){var r=this.boundingSphere.center;t.setFromArray(i),t.center(r);for(var n=0,a=0,o=i.length;a<o;a+=3)e.fromArray(i,a),n=v(n,r.distanceToSquared(e));this.boundingSphere.radius=u(n),isNaN(this.boundingSphere.radius)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var t=this.index,e=this.attributes,i=this.groups;if(e.position){var r=e.position.array;if(void 0===e.normal)this.addAttribute("normal",new M.BufferAttribute(new Float32Array(r.length),3));else for(var n=e.normal.array,a=0,o=n.length;a<o;a++)n[a]=0;var s,h,u,l=e.normal.array,c=new M.Vector3,p=new M.Vector3,d=new M.Vector3,f=new M.Vector3,m=new M.Vector3;if(t){var v=t.array;0===i.length&&this.addGroup(0,v.length);for(var g=0,y=i.length;g<y;++g)for(var x=i[g],_=x.start,b=x.count,a=_,o=_+b;a<o;a+=3)s=3*v[a+0],h=3*v[a+1],u=3*v[a+2],c.fromArray(r,s),p.fromArray(r,h),d.fromArray(r,u),f.subVectors(d,p),m.subVectors(c,p),f.cross(m),l[s]+=f.x,l[s+1]+=f.y,l[s+2]+=f.z,l[h]+=f.x,l[h+1]+=f.y,l[h+2]+=f.z,l[u]+=f.x,l[u+1]+=f.y,l[u+2]+=f.z}else for(var a=0,o=r.length;a<o;a+=9)c.fromArray(r,a),p.fromArray(r,a+3),d.fromArray(r,a+6),f.subVectors(d,p),m.subVectors(c,p),f.cross(m),l[a]=f.x,l[a+1]=f.y,l[a+2]=f.z,l[a+3]=f.x,l[a+4]=f.y,l[a+5]=f.z,l[a+6]=f.x,l[a+7]=f.y,l[a+8]=f.z;this.normalizeNormals(),e.normal.needsUpdate=!0}},merge:function(t,e){if(0!=t instanceof M.BufferGeometry){void 0===e&&(e=0);var i=this.attributes;for(var r in i)if(void 0!==t.attributes[r])for(var n=i[r],a=n.array,o=t.attributes[r],s=o.array,h=o.itemSize,u=0,l=h*e;u<s.length;u++,l++)a[l]=s[u];return this}},normalizeNormals:function(){for(var t,e,i,r,n=this.attributes.normal.array,a=0,o=n.length;a<o;a+=3)t=n[a],e=n[a+1],i=n[a+2],r=1/u(t*t+e*e+i*i),n[a]*=r,n[a+1]*=r,n[a+2]*=r},toNonIndexed:function(){if(null===this.index)return this;var t=new M.BufferGeometry,e=this.index.array,i=this.attributes;for(var r in i){for(var n=i[r],a=n.array,o=n.itemSize,s=new a.constructor(e.length*o),h=0,u=0,l=0,c=e.length;l<c;l++){h=e[l]*o;for(var p=0;p<o;p++)s[u++]=a[h++]}t.addAttribute(r,new M.BufferAttribute(s,o))}return t},toJSON:function(){var t={metadata:{version:4.4,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),void 0!==this.parameters){var e=this.parameters;for(var i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};var r=this.index;if(null!==r){o=Array.prototype.slice.call(r.array);t.data.index={type:r.array.constructor.name,array:o}}var n=this.attributes;for(var i in n){var a=n[i],o=Array.prototype.slice.call(a.array);t.data.attributes[i]={itemSize:a.itemSize,type:a.array.constructor.name,array:o}}var s=this.groups;0<s.length&&(t.data.groups=JSON.parse(JSON.stringify(s)));var h=this.boundingSphere;return null!==h&&(t.data.boundingSphere={center:h.center.toArray(),radius:h.radius}),t},clone:function(){return(new M.BufferGeometry).copy(this)},copy:function(t){var e=t.index;null!==e&&this.setIndex(e.clone());var i=t.attributes;for(var r in i){var n=i[r];this.addAttribute(r,n.clone())}for(var a,o=t.groups,s=0,h=o.length;s<h;s++)a=o[s],this.addGroup(a.start,a.count);return this},dispose:function(){this.dispatchEvent({type:"dispose"})}},M.EventDispatcher.prototype.apply(M.BufferGeometry.prototype),M.BufferGeometry.MaxIndex=65535,M.InterleavedBufferAttribute=function(t,e,i){this.uuid=M.Math.generateUUID(),this.data=t,this.itemSize=e,this.offset=i},M.InterleavedBufferAttribute.prototype={constructor:M.InterleavedBufferAttribute,get length(){return this.array.length},get count(){return this.data.count},setX:function(t,e){return this.data.array[t*this.data.stride+this.offset]=e,this},setY:function(t,e){return this.data.array[t*this.data.stride+this.offset+1]=e,this},setZ:function(t,e){return this.data.array[t*this.data.stride+this.offset+2]=e,this},setW:function(t,e){return this.data.array[t*this.data.stride+this.offset+3]=e,this},getX:function(t){return this.data.array[t*this.data.stride+this.offset]},getY:function(t){return this.data.array[t*this.data.stride+this.offset+1]},getZ:function(t){return this.data.array[t*this.data.stride+this.offset+2]},getW:function(t){return this.data.array[t*this.data.stride+this.offset+3]},setXY:function(t,e,i){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=i,this},setXYZ:function(t,e,i,r){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=r,this},setXYZW:function(t,e,i,r,n){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=r,this.data.array[t+3]=n,this}},M.InstancedBufferGeometry=function(){M.BufferGeometry.call(this),this.type="InstancedBufferGeometry",this.maxInstancedCount=void 0},M.InstancedBufferGeometry.prototype=Object.create(M.BufferGeometry.prototype),M.InstancedBufferGeometry.prototype.constructor=M.InstancedBufferGeometry,M.InstancedBufferGeometry.prototype.addGroup=function(t,e,i){this.groups.push({start:t,count:e,instances:i})},M.InstancedBufferGeometry.prototype.copy=function(t){var e=t.index;null!==e&&this.setIndex(e.clone());var i=t.attributes;for(var r in i){var n=i[r];this.addAttribute(r,n.clone())}for(var a,o=t.groups,s=0,h=o.length;s<h;s++)a=o[s],this.addGroup(a.start,a.count,a.instances);return this},M.EventDispatcher.prototype.apply(M.InstancedBufferGeometry.prototype),M.Geometry=function(){Object.defineProperty(this,"id",{value:M.GeometryIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.type="Geometry",this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.elementsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.lineDistancesNeedUpdate=!1,this.groupsNeedUpdate=!1},M.Geometry.prototype={constructor:M.Geometry,applyMatrix:function(t){for(var e=(new M.Matrix3).getNormalMatrix(t),i=0,r=this.vertices.length;i<r;i++)this.vertices[i].applyMatrix4(t);for(var n,i=0,r=this.faces.length;i<r;i++){(n=this.faces[i]).normal.applyMatrix3(e).normalize();for(var a=0,o=n.vertexNormals.length;a<o;a++)n.vertexNormals[a].applyMatrix3(e).normalize()}return null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this.verticesNeedUpdate=!0,this.normalsNeedUpdate=!0,this},rotateX:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationX(e),this.applyMatrix(t),this}}(),rotateY:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationY(e),this.applyMatrix(t),this}}(),rotateZ:function(){var t;return function(e){return void 0==t&&(t=new M.Matrix4),t.makeRotationZ(e),this.applyMatrix(t),this}}(),translate:function(){var t;return function(e,i,r){return void 0==t&&(t=new M.Matrix4),t.makeTranslation(e,i,r),this.applyMatrix(t),this}}(),scale:function(){var t;return function(e,i,r){return void 0==t&&(t=new M.Matrix4),t.makeScale(e,i,r),this.applyMatrix(t),this}}(),lookAt:function(){var t;return function(e){void 0==t&&(t=new M.Object3D),t.lookAt(e),t.updateMatrix(),this.applyMatrix(t.matrix)}}(),fromBufferGeometry:function(t){function e(t,e,r,n){var a=void 0===o?[]:[l[t].clone(),l[e].clone(),l[r].clone()],d=void 0===s?[]:[i.colors[t].clone(),i.colors[e].clone(),i.colors[r].clone()],f=new M.Face3(t,e,r,a,d,n);i.faces.push(f),void 0!==h&&i.faceVertexUvs[0].push([c[t].clone(),c[e].clone(),c[r].clone()]),void 0!==u&&i.faceVertexUvs[1].push([p[t].clone(),p[e].clone(),p[r].clone()])}var i=this,r=null===t.index?void 0:t.index.array,n=t.attributes,a=n.position.array,o=void 0===n.normal?void 0:n.normal.array,s=void 0===n.color?void 0:n.color.array,h=void 0===n.uv?void 0:n.uv.array,u=void 0===n.uv2?void 0:n.uv2.array;void 0!==u&&(this.faceVertexUvs[1]=[]);for(var l=[],c=[],p=[],d=0,f=0;d<a.length;d+=3,f+=2)i.vertices.push(new M.Vector3(a[d],a[d+1],a[d+2])),void 0!==o&&l.push(new M.Vector3(o[d],o[d+1],o[d+2])),void 0!==s&&i.colors.push(new M.Color(s[d],s[d+1],s[d+2])),void 0!==h&&c.push(new M.Vector2(h[f],h[f+1])),void 0!==u&&p.push(new M.Vector2(u[f],u[f+1]));if(void 0!==r){var m=t.groups;if(0<m.length)for(d=0;d<m.length;d++)for(var v=m[d],g=v.start,y=v.count,f=g;f<g+y;f+=3)e(r[f],r[f+1],r[f+2],v.materialIndex);else for(d=0;d<r.length;d+=3)e(r[d],r[d+1],r[d+2])}else for(d=0;d<a.length/3;d+=3)e(d,d+1,d+2);return this.computeFaceNormals(),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this},center:function(){this.computeBoundingBox();var t=this.boundingBox.center().negate();return this.translate(t.x,t.y,t.z),t},normalize:function(){this.computeBoundingSphere();var t=this.boundingSphere.center,e=this.boundingSphere.radius,i=0===e?1:1/e,r=new M.Matrix4;return r.set(i,0,0,-i*t.x,0,i,0,-i*t.y,0,0,i,-i*t.z,0,0,0,1),this.applyMatrix(r),this},computeFaceNormals:function(){for(var t=new M.Vector3,e=new M.Vector3,i=0,r=this.faces.length;i<r;i++){var n=this.faces[i],a=this.vertices[n.a],o=this.vertices[n.b],s=this.vertices[n.c];t.subVectors(s,o),e.subVectors(a,o),t.cross(e),t.normalize(),n.normal.copy(t)}},computeVertexNormals:function(t){void 0===t&&(t=!0);var e,i,r,n,a,o;for(o=Array(this.vertices.length),e=0,i=this.vertices.length;e<i;e++)o[e]=new M.Vector3;if(t){var s,h,u,l=new M.Vector3,c=new M.Vector3;for(r=0,n=this.faces.length;r<n;r++)a=this.faces[r],s=this.vertices[a.a],h=this.vertices[a.b],u=this.vertices[a.c],l.subVectors(u,h),c.subVectors(s,h),l.cross(c),o[a.a].add(l),o[a.b].add(l),o[a.c].add(l)}else for(r=0,n=this.faces.length;r<n;r++)a=this.faces[r],o[a.a].add(a.normal),o[a.b].add(a.normal),o[a.c].add(a.normal);for(e=0,i=this.vertices.length;e<i;e++)o[e].normalize();for(r=0,n=this.faces.length;r<n;r++){var p=(a=this.faces[r]).vertexNormals;3===p.length?(p[0].copy(o[a.a]),p[1].copy(o[a.b]),p[2].copy(o[a.c])):(p[0]=o[a.a].clone(),p[1]=o[a.b].clone(),p[2]=o[a.c].clone())}0<this.faces.length&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var t,e,i,r,n;for(i=0,r=this.faces.length;i<r;i++)for((n=this.faces[i]).__originalFaceNormal?n.__originalFaceNormal.copy(n.normal):n.__originalFaceNormal=n.normal.clone(),n.__originalVertexNormals||(n.__originalVertexNormals=[]),t=0,e=n.vertexNormals.length;t<e;t++)n.__originalVertexNormals[t]?n.__originalVertexNormals[t].copy(n.vertexNormals[t]):n.__originalVertexNormals[t]=n.vertexNormals[t].clone();var a=new M.Geometry;for(a.faces=this.faces,t=0,e=this.morphTargets.length;t<e;t++){if(!this.morphNormals[t]){this.morphNormals[t]={},this.morphNormals[t].faceNormals=[],this.morphNormals[t].vertexNormals=[];var o=this.morphNormals[t].faceNormals,s=this.morphNormals[t].vertexNormals;for(i=0,r=this.faces.length;i<r;i++)u=new M.Vector3,l={a:new M.Vector3,b:new M.Vector3,c:new M.Vector3},o.push(u),s.push(l)}var h=this.morphNormals[t];a.vertices=this.morphTargets[t].vertices,a.computeFaceNormals(),a.computeVertexNormals();var u,l;for(i=0,r=this.faces.length;i<r;i++)n=this.faces[i],u=h.faceNormals[i],l=h.vertexNormals[i],u.copy(n.normal),l.a.copy(n.vertexNormals[0]),l.b.copy(n.vertexNormals[1]),l.c.copy(n.vertexNormals[2])}for(i=0,r=this.faces.length;i<r;i++)n=this.faces[i],n.normal=n.__originalFaceNormal,n.vertexNormals=n.__originalVertexNormals},computeTangents:function(){},computeLineDistances:function(){for(var t=0,e=this.vertices,i=0,r=e.length;i<r;i++)0<i&&(t+=e[i].distanceTo(e[i-1])),this.lineDistances[i]=t},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new M.Box3),this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new M.Sphere),this.boundingSphere.setFromPoints(this.vertices)},merge:function(t,e,i){if(0!=t instanceof M.Geometry){var r,n=this.vertices.length,a=this.vertices,o=t.vertices,s=this.faces,h=t.faces,u=this.faceVertexUvs[0],l=t.faceVertexUvs[0];void 0===i&&(i=0),void 0!==e&&(r=(new M.Matrix3).getNormalMatrix(e));for(var c=0,p=o.length;c<p;c++){var d=o[c].clone();void 0!==e&&d.applyMatrix4(e),a.push(d)}for(c=0,p=h.length;c<p;c++){var f,m,v,g=h[c],y=g.vertexNormals,x=g.vertexColors;(f=new M.Face3(g.a+n,g.b+n,g.c+n)).normal.copy(g.normal),void 0!==r&&f.normal.applyMatrix3(r).normalize();for(var _=0,b=y.length;_<b;_++)m=y[_].clone(),void 0!==r&&m.applyMatrix3(r).normalize(),f.vertexNormals.push(m);f.color.copy(g.color);for(var _=0,b=x.length;_<b;_++)v=x[_],f.vertexColors.push(v.clone());f.materialIndex=g.materialIndex+i,s.push(f)}for(c=0,p=l.length;c<p;c++){var S=l[c],w=[];if(void 0!==S){for(var _=0,b=S.length;_<b;_++)w.push(S[_].clone());u.push(w)}}}},mergeMesh:function(t){0==t instanceof M.Mesh||(t.matrixAutoUpdate&&t.updateMatrix(),this.merge(t.geometry,t.matrix))},mergeVertices:function(){var t,e,i,r,n,a,o,s,h={},u=[],l=[];for(i=0,r=this.vertices.length;i<r;i++)t=this.vertices[i],e=c(1e4*t.x)+"_"+c(1e4*t.y)+"_"+c(1e4*t.z),void 0===h[e]?(h[e]=i,u.push(this.vertices[i]),l[i]=u.length-1):l[i]=l[h[e]];var p=[];for(i=0,r=this.faces.length;i<r;i++){(n=this.faces[i]).a=l[n.a],n.b=l[n.b],n.c=l[n.c],a=[n.a,n.b,n.c];for(var d=0;3>d;d++)if(a[d]===a[(d+1)%3]){d,p.push(i);break}}for(i=p.length-1;0<=i;i--){var f=p[i];for(this.faces.splice(f,1),o=0,s=this.faceVertexUvs.length;o<s;o++)this.faceVertexUvs[o].splice(f,1)}var m=this.vertices.length-u.length;return this.vertices=u,m},sortFacesByMaterialIndex:function(){for(var t=this.faces,e=t.length,i=0;i<e;i++)t[i]._id=i;t.sort(function(t,e){return t.materialIndex-e.materialIndex});var r,n,a=this.faceVertexUvs[0],o=this.faceVertexUvs[1];a&&a.length===e&&(r=[]),o&&o.length===e&&(n=[]);for(var s,i=0;i<e;i++)s=t[i]._id,r&&r.push(a[s]),n&&n.push(o[s]);r&&(this.faceVertexUvs[0]=r),n&&(this.faceVertexUvs[1]=n)},toJSON:function(){function t(t,e,i){return i?t|1<<e:t&~(1<<e)}function e(t){var e=t.x.toString()+t.y.toString()+t.z.toString();return void 0===p[e]?(p[e]=c.length/3,c.push(t.x,t.y,t.z),p[e]):p[e]}function i(t){var e=t.r.toString()+t.g.toString()+t.b.toString();return void 0===f[e]?(f[e]=d.length,d.push(t.getHex()),f[e]):f[e]}function r(t){var e=t.x.toString()+t.y.toString();return void 0===v[e]?(v[e]=m.length/2,m.push(t.x,t.y),v[e]):v[e]}var n={metadata:{version:4.4,type:"Geometry",generator:"Geometry.toJSON"}};if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),void 0!==this.parameters){var a=this.parameters;for(var o in a)void 0!==a[o]&&(n[o]=a[o]);return n}for(var s,h=[],u=0;u<this.vertices.length;u++)s=this.vertices[u],h.push(s.x,s.y,s.z);for(var l=[],c=[],p={},d=[],f={},m=[],v={},u=0;u<this.faces.length;u++){var g=this.faces[u],y=void 0!==this.faceVertexUvs[0][u],x=0<g.normal.length(),M=0<g.vertexNormals.length,_=1!==g.color.r||1!==g.color.g||1!==g.color.b,b=0<g.vertexColors.length,S=0;if(S=t(S,0,0),S=t(S,1,!0),S=t(S,2,!1),S=t(S,3,y),S=t(S,4,x),S=t(S,5,M),S=t(S,6,_),S=t(S,7,b),l.push(S),l.push(g.a,g.b,g.c),l.push(g.materialIndex),y){var w=this.faceVertexUvs[0][u];l.push(r(w[0]),r(w[1]),r(w[2]))}if(x&&l.push(e(g.normal)),M){var E=g.vertexNormals;l.push(e(E[0]),e(E[1]),e(E[2]))}if(_&&l.push(i(g.color)),b){var T=g.vertexColors;l.push(i(T[0]),i(T[1]),i(T[2]))}}return n.data={},n.data.vertices=h,n.data.normals=c,0<d.length&&(n.data.colors=d),0<m.length&&(n.data.uvs=[m]),n.data.faces=l,n},clone:function(){return(new M.Geometry).copy(this)},copy:function(t){this.vertices=[],this.faces=[],this.faceVertexUvs=[[]];for(var e=t.vertices,i=0,r=e.length;i<r;i++)this.vertices.push(e[i].clone());for(var n=t.faces,i=0,r=n.length;i<r;i++)this.faces.push(n[i].clone());for(var a,i=0,r=t.faceVertexUvs.length;i<r;i++){a=t.faceVertexUvs[i],void 0===this.faceVertexUvs[i]&&(this.faceVertexUvs[i]=[]);for(var o=0,s=a.length;o<s;o++){for(var h,u=a[o],l=[],c=0,p=u.length;c<p;c++)h=u[c],l.push(h.clone());this.faceVertexUvs[i].push(l)}}return this},dispose:function(){this.dispatchEvent({type:"dispose"})}},M.EventDispatcher.prototype.apply(M.Geometry.prototype),M.GeometryIdCount=0,M.DirectGeometry=function(){Object.defineProperty(this,"id",{value:M.GeometryIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.type="DirectGeometry",this.indices=[],this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphTargets={},this.skinWeights=[],this.skinIndices=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.groupsNeedUpdate=!1},M.DirectGeometry.prototype={constructor:M.DirectGeometry,computeBoundingBox:M.Geometry.prototype.computeBoundingBox,computeBoundingSphere:M.Geometry.prototype.computeBoundingSphere,computeFaceNormals:function(){},computeVertexNormals:function(){},computeGroups:function(t){for(var e,i,r,n=[],a=t.faces,o=0;o<a.length;o++)(r=a[o]).materialIndex!==i&&(i=r.materialIndex,void 0!=e&&(e.count=3*o-e.start,n.push(e)),e={start:3*o,materialIndex:i});void 0!==e&&(e.count=3*o-e.start,n.push(e)),this.groups=n},fromGeometry:function(t){var e,i=t.faces,r=t.vertices,n=t.faceVertexUvs,a=n[0]&&0<n[0].length,o=n[1]&&0<n[1].length,s=t.morphTargets,h=s.length;if(0<h){e=[];for(g=0;g<h;g++)e[g]=[];this.morphTargets.position=e}var u,l=t.morphNormals,c=l.length;if(0<c){u=[];for(g=0;g<c;g++)u[g]=[];this.morphTargets.normal=u}for(var p,d=t.skinIndices,f=t.skinWeights,m=d.length===r.length,v=f.length===r.length,g=0;g<i.length;g++){p=i[g],this.vertices.push(r[p.a],r[p.b],r[p.c]);var y=p.vertexNormals;if(3===y.length)this.normals.push(y[0],y[1],y[2]);else{var x=p.normal;this.normals.push(x,x,x)}var _=p.vertexColors;if(3===_.length)this.colors.push(_[0],_[1],_[2]);else{var b=p.color;this.colors.push(b,b,b)}if(!0===a&&(void 0===(S=n[0][g])?this.uvs.push(new M.Vector2,new M.Vector2,new M.Vector2):this.uvs.push(S[0],S[1],S[2])),!0===o){var S=n[1][g];void 0===S?this.uvs2.push(new M.Vector2,new M.Vector2,new M.Vector2):this.uvs2.push(S[0],S[1],S[2])}for(var w,E=0;E<h;E++)w=s[E].vertices,e[E].push(w[p.a],w[p.b],w[p.c]);for(var T,E=0;E<c;E++)T=l[E].vertexNormals[g],u[E].push(T.a,T.b,T.c);m&&this.skinIndices.push(d[p.a],d[p.b],d[p.c]),v&&this.skinWeights.push(f[p.a],f[p.b],f[p.c])}return this.computeGroups(t),this.verticesNeedUpdate=t.verticesNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,this},dispose:function(){this.dispatchEvent({type:"dispose"})}},M.EventDispatcher.prototype.apply(M.DirectGeometry.prototype),M.Camera=function(){M.Object3D.call(this),this.type="Camera",this.matrixWorldInverse=new M.Matrix4,this.projectionMatrix=new M.Matrix4},M.Camera.prototype=Object.create(M.Object3D.prototype),M.Camera.prototype.constructor=M.Camera,M.Camera.prototype.getWorldDirection=function(){var t=new M.Quaternion;return function(e){var i=e||new M.Vector3;return this.getWorldQuaternion(t),i.set(0,0,-1).applyQuaternion(t)}}(),M.Camera.prototype.lookAt=function(){var t=new M.Matrix4;return function(e){t.lookAt(this.position,e,this.up),this.quaternion.setFromRotationMatrix(t)}}(),M.Camera.prototype.clone=function(){return(new this.constructor).copy(this)},M.Camera.prototype.copy=function(t){return M.Object3D.prototype.copy.call(this,t),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this},M.PerspectiveCamera=function(t,e,i,r){M.Camera.call(this),this.type="PerspectiveCamera",this.focalLength=10,this.zoom=1,this.fov=void 0===t?50:t,this.aspect=void 0===e?1:e,this.near=void 0===i?.1:i,this.far=void 0===r?2e3:r,this.updateProjectionMatrix()},M.PerspectiveCamera.prototype=Object.create(M.Camera.prototype),M.PerspectiveCamera.prototype.constructor=M.PerspectiveCamera,M.PerspectiveCamera.prototype.setLens=function(t,i){void 0===i&&(i=24),this.fov=2*M.Math.radToDeg(e(i/(2*t))),this.updateProjectionMatrix()},M.PerspectiveCamera.prototype.setViewOffset=function(t,e,i,r,n,a){this.fullWidth=t,this.fullHeight=e,this.x=i,this.y=r,this.width=n,this.height=a,this.updateProjectionMatrix()},M.PerspectiveCamera.prototype.updateProjectionMatrix=function(){var t=M.Math.radToDeg(2*e(i(.5*M.Math.degToRad(this.fov))/this.zoom));if(this.fullWidth){var r=this.fullWidth/this.fullHeight,n=i(M.Math.degToRad(.5*t))*this.near,a=-n,o=r*a,h=s(r*n-o),u=s(n-a);this.projectionMatrix.makeFrustum(o+this.x*h/this.fullWidth,o+(this.x+this.width)*h/this.fullWidth,n-(this.y+this.height)*u/this.fullHeight,n-this.y*u/this.fullHeight,this.near,this.far)}else this.projectionMatrix.makePerspective(t,this.aspect,this.near,this.far)},M.PerspectiveCamera.prototype.copy=function(t){return M.Camera.prototype.copy.call(this,t),this.focalLength=t.focalLength,this.zoom=t.zoom,this.fov=t.fov,this.aspect=t.aspect,this.near=t.near,this.far=t.far,this},M.PerspectiveCamera.prototype.toJSON=function(t){var e=M.Object3D.prototype.toJSON.call(this,t);return e.object.focalLength=this.focalLength,e.object.zoom=this.zoom,e.object.fov=this.fov,e.object.aspect=this.aspect,e.object.near=this.near,e.object.far=this.far,e},M.Light=function(t,e){M.Object3D.call(this),this.type="Light",this.color=new M.Color(t),this.intensity=void 0===e?1:e,this.receiveShadow=void 0},M.Light.prototype=Object.create(M.Object3D.prototype),M.Light.prototype.constructor=M.Light,M.Light.prototype.copy=function(t){return M.Object3D.prototype.copy.call(this,t),this.color.copy(t.color),this.intensity=t.intensity,this},M.Light.prototype.toJSON=function(t){var e=M.Object3D.prototype.toJSON.call(this,t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),e},M.Scene=function(){M.Object3D.call(this),this.type="Scene",this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0},M.Scene.prototype=Object.create(M.Object3D.prototype),M.Scene.prototype.constructor=M.Scene,M.Scene.prototype.copy=function(t,e){return M.Object3D.prototype.copy.call(this,t,e),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this},M.FogExp2=function(t,e){this.name="",this.color=new M.Color(t),this.density=void 0===e?25e-5:e},M.FogExp2.prototype.clone=function(){return new M.FogExp2(this.color.getHex(),this.density)},M.ImmediateRenderObject=function(t){M.Object3D.call(this),this.material=t,this.render=function(){}},M.ImmediateRenderObject.prototype=Object.create(M.Object3D.prototype),M.ImmediateRenderObject.prototype.constructor=M.ImmediateRenderObject,M.SphereBufferGeometry=function(t,e,i,r,o,s,h){M.BufferGeometry.call(this),this.type="SphereBufferGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:r,phiLength:o,thetaStart:s,thetaLength:h},t=t||50,e=v(3,m(e)||8),i=v(2,m(i)||6),r=void 0===r?0:r,o=void 0===o?2*f:o;for(var u=(s=void 0===s?0:s)+(h=void 0===h?f:h),l=(e+1)*(i+1),c=new M.BufferAttribute(new Float32Array(3*l),3),p=new M.BufferAttribute(new Float32Array(3*l),3),d=new M.BufferAttribute(new Float32Array(2*l),2),g=0,y=[],x=new M.Vector3,_=0;_<=i;_++){for(var b=[],S=_/i,w=0;w<=e;w++){var E=w/e,T=-t*a(r+E*o)*n(s+S*h),A=t*a(s+S*h),L=t*n(r+E*o)*n(s+S*h);x.set(T,A,L).normalize(),c.setXYZ(g,T,A,L),p.setXYZ(g,x.x,x.y,x.z),d.setXY(g,E,1-S),b.push(g),g++}y.push(b)}for(var R=[],_=0;_<i;_++)for(w=0;w<e;w++){var C=y[_][w+1],U=y[_][w],F=y[_+1][w],P=y[_+1][w+1];(0!==_||0<s)&&R.push(C,U,P),(_!==i-1||u<f)&&R.push(U,F,P)}this.setIndex(new(65535<c.count?M.Uint32Attribute:M.Uint16Attribute)(R,1)),this.addAttribute("position",c),this.addAttribute("normal",p),this.addAttribute("uv",d),this.boundingSphere=new M.Sphere(new M.Vector3,t)},M.SphereBufferGeometry.prototype=Object.create(M.BufferGeometry.prototype),M.SphereBufferGeometry.prototype.constructor=M.SphereBufferGeometry,M.SphereGeometry=function(t,e,i,r,n,a,o){M.Geometry.call(this),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:r,phiLength:n,thetaStart:a,thetaLength:o},this.fromBufferGeometry(new M.SphereBufferGeometry(t,e,i,r,n,a,o))},M.SphereGeometry.prototype=Object.create(M.Geometry.prototype),M.SphereGeometry.prototype.constructor=M.SphereGeometry,M.Material=function(){Object.defineProperty(this,"id",{value:M.MaterialIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.type="Material",this.side=M.FrontSide,this.opacity=1,this.transparent=!1,this.blending=M.NormalBlending,this.blendSrc=M.SrcAlphaFactor,this.blendDst=M.OneMinusSrcAlphaFactor,this.blendEquation=M.AddEquation,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=M.LessEqualDepth,this.depthTest=!0,this.depthWrite=!0,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.alphaTest=0,this.premultipliedAlpha=!1,this.overdraw=0,this.visible=!0,this._needsUpdate=!0},M.Material.prototype={constructor:M.Material,get needsUpdate(){return this._needsUpdate},set needsUpdate(t){!0===t&&this.update(),this._needsUpdate=t},setValues:function(t){if(void 0!==t)for(var e in t){var i=t[e];if(void 0!==i){var r=this[e];void 0!==r&&(r instanceof M.Color?r.set(i):r instanceof M.Vector3&&i instanceof M.Vector3?r.copy(i):this[e]="overdraw"==e?+i:i)}}},toJSON:function(t){function e(t){var e=[];for(var i in t){var r=t[i];delete r.metadata,e.push(r)}return e}var i=void 0===t;i&&(t={textures:{},images:{}});var r={metadata:{version:4.4,type:"Material",generator:"Material.toJSON"}};if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),this.color instanceof M.Color&&(r.color=this.color.getHex()),.5!==this.roughness&&(r.roughness=this.roughness),.5!==this.metalness&&(r.metalness=this.metalness),this.emissive instanceof M.Color&&(r.emissive=this.emissive.getHex()),this.specular instanceof M.Color&&(r.specular=this.specular.getHex()),void 0!==this.shininess&&(r.shininess=this.shininess),this.map instanceof M.Texture&&(r.map=this.map.toJSON(t).uuid),this.alphaMap instanceof M.Texture&&(r.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap instanceof M.Texture&&(r.lightMap=this.lightMap.toJSON(t).uuid),this.bumpMap instanceof M.Texture&&(r.bumpMap=this.bumpMap.toJSON(t).uuid,r.bumpScale=this.bumpScale),this.normalMap instanceof M.Texture&&(r.normalMap=this.normalMap.toJSON(t).uuid,r.normalScale=this.normalScale.toArray()),this.displacementMap instanceof M.Texture&&(r.displacementMap=this.displacementMap.toJSON(t).uuid,r.displacementScale=this.displacementScale,r.displacementBias=this.displacementBias),this.roughnessMap instanceof M.Texture&&(r.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap instanceof M.Texture&&(r.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap instanceof M.Texture&&(r.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap instanceof M.Texture&&(r.specularMap=this.specularMap.toJSON(t).uuid),this.envMap instanceof M.Texture&&(r.envMap=this.envMap.toJSON(t).uuid,r.reflectivity=this.reflectivity),void 0!==this.size&&(r.size=this.size),void 0!==this.sizeAttenuation&&(r.sizeAttenuation=this.sizeAttenuation),void 0!==this.vertexColors&&this.vertexColors!==M.NoColors&&(r.vertexColors=this.vertexColors),void 0!==this.shading&&this.shading!==M.SmoothShading&&(r.shading=this.shading),void 0!==this.blending&&this.blending!==M.NormalBlending&&(r.blending=this.blending),void 0!==this.side&&this.side!==M.FrontSide&&(r.side=this.side),1>this.opacity&&(r.opacity=this.opacity),!0===this.transparent&&(r.transparent=this.transparent),0<this.alphaTest&&(r.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(r.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(r.wireframe=this.wireframe),1<this.wireframeLinewidth&&(r.wireframeLinewidth=this.wireframeLinewidth),i){var n=e(t.textures),a=e(t.images);0<n.length&&(r.textures=n),0<a.length&&(r.images=a)}return r},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.name=t.name,this.side=t.side,this.opacity=t.opacity,this.transparent=t.transparent,this.blending=t.blending,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.alphaTest=t.alphaTest,this.premultipliedAlpha=t.premultipliedAlpha,this.overdraw=t.overdraw,this.visible=t.visible,this},update:function(){this.dispatchEvent({type:"update"})},dispose:function(){this.dispatchEvent({type:"dispose"})}},M.EventDispatcher.prototype.apply(M.Material.prototype),M.MaterialIdCount=0,M.LineBasicMaterial=function(t){M.Material.call(this),this.type="LineBasicMaterial",this.color=new M.Color(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.blending=M.NormalBlending,this.vertexColors=M.NoColors,this.fog=!0,this.setValues(t)},M.LineBasicMaterial.prototype=Object.create(M.Material.prototype),M.LineBasicMaterial.prototype.constructor=M.LineBasicMaterial,M.LineBasicMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.vertexColors=t.vertexColors,this.fog=t.fog,this},M.LineDashedMaterial=function(t){M.Material.call(this),this.type="LineDashedMaterial",this.color=new M.Color(16777215),this.linewidth=1,this.scale=1,this.dashSize=3,this.gapSize=1,this.blending=M.NormalBlending,this.vertexColors=M.NoColors,this.fog=!0,this.setValues(t)},M.LineDashedMaterial.prototype=Object.create(M.Material.prototype),M.LineDashedMaterial.prototype.constructor=M.LineDashedMaterial,M.LineDashedMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.linewidth=t.linewidth,this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this.vertexColors=t.vertexColors,this.fog=t.fog,this},M.PointsMaterial=function(t){M.Material.call(this),this.type="PointsMaterial",this.color=new M.Color(16777215),this.map=null,this.size=1,this.sizeAttenuation=!0,this.blending=M.NormalBlending,this.vertexColors=M.NoColors,this.fog=!0,this.setValues(t)},M.PointsMaterial.prototype=Object.create(M.Material.prototype),M.PointsMaterial.prototype.constructor=M.PointsMaterial,M.PointsMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.vertexColors=t.vertexColors,this.fog=t.fog,this},M.MeshDepthMaterial=function(t){M.Material.call(this),this.type="MeshDepthMaterial",this.morphTargets=!1,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)},M.MeshDepthMaterial.prototype=Object.create(M.Material.prototype),M.MeshDepthMaterial.prototype.constructor=M.MeshDepthMaterial,M.MeshDepthMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this},M.MeshNormalMaterial=function(t){M.Material.call(this,t),this.type="MeshNormalMaterial",this.wireframe=!1,this.wireframeLinewidth=1,this.morphTargets=!1,this.setValues(t)},M.MeshNormalMaterial.prototype=Object.create(M.Material.prototype),M.MeshNormalMaterial.prototype.constructor=M.MeshNormalMaterial,M.MeshNormalMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this},M.ShaderMaterial=function(t){M.Material.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},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 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M.Material.prototype.copy.call(this,t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=M.UniformsUtils.clone(t.uniforms),this.defines=t.defines,this.shading=t.shading,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.vertexColors=t.vertexColors,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.extensions=t.extensions,this},M.ShaderMaterial.prototype.toJSON=function(t){var e=M.Material.prototype.toJSON.call(this,t);return e.uniforms=this.uniforms,e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e},M.MeshBasicMaterial=function(t){M.Material.call(this),this.type="MeshBasicMaterial",this.color=new M.Color(16777215),this.map=null,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=M.MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.fog=!0,this.shading=M.SmoothShading,this.blending=M.NormalBlending,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.vertexColors=M.NoColors,this.skinning=!1,this.morphTargets=!1,this.setValues(t)},M.MeshBasicMaterial.prototype=Object.create(M.Material.prototype),M.MeshBasicMaterial.prototype.constructor=M.MeshBasicMaterial,M.MeshBasicMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.fog=t.fog,this.shading=t.shading,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.vertexColors=t.vertexColors,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this},M.MeshLambertMaterial=function(t){M.Material.call(this),this.type="MeshLambertMaterial",this.color=new M.Color(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new M.Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=M.MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.fog=!0,this.blending=M.NormalBlending,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.vertexColors=M.NoColors,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)},M.MeshLambertMaterial.prototype=Object.create(M.Material.prototype),M.MeshLambertMaterial.prototype.constructor=M.MeshLambertMaterial,M.MeshLambertMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.fog=t.fog,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.vertexColors=t.vertexColors,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},M.MeshStandardMaterial=function(t){M.Material.call(this),this.type="MeshStandardMaterial",this.color=new M.Color(16777215),this.roughness=.5,this.metalness=.5,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new M.Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalScale=new M.Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.fog=!0,this.shading=M.SmoothShading,this.blending=M.NormalBlending,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.vertexColors=M.NoColors,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)},M.MeshStandardMaterial.prototype=Object.create(M.Material.prototype),M.MeshStandardMaterial.prototype.constructor=M.MeshStandardMaterial,M.MeshStandardMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.fog=t.fog,this.shading=t.shading,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.vertexColors=t.vertexColors,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},M.MeshPhongMaterial=function(t){M.Material.call(this),this.type="MeshPhongMaterial",this.color=new M.Color(16777215),this.specular=new M.Color(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new M.Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalScale=new M.Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=M.MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.fog=!0,this.shading=M.SmoothShading,this.blending=M.NormalBlending,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.vertexColors=M.NoColors,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)},M.MeshPhongMaterial.prototype=Object.create(M.Material.prototype),M.MeshPhongMaterial.prototype.constructor=M.MeshPhongMaterial,M.MeshPhongMaterial.prototype.copy=function(t){return M.Material.prototype.copy.call(this,t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.fog=t.fog,this.shading=t.shading,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.vertexColors=t.vertexColors,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},M.MultiMaterial=function(t){this.uuid=M.Math.generateUUID(),this.type="MultiMaterial",this.materials=t instanceof Array?t:[],this.visible=!0},M.MultiMaterial.prototype={constructor:M.MultiMaterial,toJSON:function(t){for(var e,i={metadata:{version:4.2,type:"material",generator:"MaterialExporter"},uuid:this.uuid,type:this.type,materials:[]},r=this.materials,n=0,a=r.length;n<a;n++)e=r[n].toJSON(t),delete e.metadata,i.materials.push(e);return i.visible=this.visible,i},clone:function(){for(var t=new this.constructor,e=0;e<this.materials.length;e++)t.materials.push(this.materials[e].clone());return t.visible=this.visible,t}},M.RawShaderMaterial=function(t){M.ShaderMaterial.call(this,t),this.type="RawShaderMaterial"},M.RawShaderMaterial.prototype=Object.create(M.ShaderMaterial.prototype),M.RawShaderMaterial.prototype.constructor=M.RawShaderMaterial,M.Texture=function(t,e,i,r,n,a,o,s,h){Object.defineProperty(this,"id",{value:M.TextureIdCount++}),this.uuid=M.Math.generateUUID(),this.name="",this.sourceFile="",this.image=void 0===t?M.Texture.DEFAULT_IMAGE:t,this.mipmaps=[],this.mapping=void 0===e?M.Texture.DEFAULT_MAPPING:e,this.wrapS=void 0===i?M.ClampToEdgeWrapping:i,this.wrapT=void 0===r?M.ClampToEdgeWrapping:r,this.magFilter=void 0===n?M.LinearFilter:n,this.minFilter=void 0===a?M.LinearMipMapLinearFilter:a,this.anisotropy=void 0===h?1:h,this.format=void 0===o?M.RGBAFormat:o,this.type=void 0===s?M.UnsignedByteType:s,this.offset=new M.Vector2(0,0),this.repeat=new M.Vector2(1,1),this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=M.LinearEncoding,this.version=0,this.onUpdate=null},M.Texture.DEFAULT_IMAGE=void 0,M.Texture.DEFAULT_MAPPING=M.UVMapping,M.Texture.prototype={constructor:M.Texture,set needsUpdate(t){!0===t&&this.version++},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this},toJSON:function(t){if(void 0!==t.textures[this.uuid])return t.textures[this.uuid];var e={metadata:{version:4.4,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],wrap:[this.wrapS,this.wrapT],minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy};if(void 0!==this.image){var i=this.image;void 0===i.uuid&&(i.uuid=M.Math.generateUUID()),void 0===t.images[i.uuid]&&(t.images[i.uuid]={uuid:i.uuid,url:function(t){var e;return void 0===t.toDataURL?(e=document.createElement("canvas"),e.width=t.width,e.height=t.height,e.getContext("2d").drawImage(t,0,0,t.width,t.height)):e=t,2048<e.width||2048<e.height?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")}(i)}),e.image=i.uuid}return t.textures[this.uuid]=e,e},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(t){if(this.mapping===M.UVMapping){if(t.multiply(this.repeat),t.add(this.offset),0>t.x||1<t.x)switch(this.wrapS){case M.RepeatWrapping:t.x-=m(t.x);break;case M.ClampToEdgeWrapping:t.x=0>t.x?0:1;break;case M.MirroredRepeatWrapping:1===s(m(t.x)%2)?t.x=h(t.x)-t.x:t.x-=m(t.x)}if(0>t.y||1<t.y)switch(this.wrapT){case M.RepeatWrapping:t.y-=m(t.y);break;case M.ClampToEdgeWrapping:t.y=0>t.y?0:1;break;case M.MirroredRepeatWrapping:1===s(m(t.y)%2)?t.y=h(t.y)-t.y:t.y-=m(t.y)}this.flipY&&(t.y=1-t.y)}}},M.EventDispatcher.prototype.apply(M.Texture.prototype),M.TextureIdCount=0,M.DataTexture=function(t,e,i,r,n,a,o,s,h,u,l){M.Texture.call(this,null,a,o,s,h,u,r,n,l),this.image={data:t,width:e,height:i},this.magFilter=void 0===h?M.NearestFilter:h,this.minFilter=void 0===u?M.NearestFilter:u,this.flipY=!1,this.generateMipmaps=!1},M.DataTexture.prototype=Object.create(M.Texture.prototype),M.DataTexture.prototype.constructor=M.DataTexture,M.CompressedTexture=function(t,e,i,r,n,a,o,s,h,u,l){M.Texture.call(this,null,a,o,s,h,u,r,n,l),this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1},M.CompressedTexture.prototype=Object.create(M.Texture.prototype),M.CompressedTexture.prototype.constructor=M.CompressedTexture,M.CubeTexture=function(t,e,i,r,n,a,o,s,h){t=void 0===t?[]:t,e=void 0===e?M.CubeReflectionMapping:e,M.Texture.call(this,t,e,i,r,n,a,o,s,h),this.flipY=!1},M.CubeTexture.prototype=Object.create(M.Texture.prototype),M.CubeTexture.prototype.constructor=M.CubeTexture,Object.defineProperty(M.CubeTexture.prototype,"images",{get:function(){return this.image},set:function(t){this.image=t}}),M.VideoTexture=function(t,e,i,r,n,a,o,s,h){function u(){requestAnimationFrame(u),t.readyState>=t.HAVE_CURRENT_DATA&&(l.needsUpdate=!0)}M.Texture.call(this,t,e,i,r,n,a,o,s,h),this.generateMipmaps=!1;var l=this;u()},M.VideoTexture.prototype=Object.create(M.Texture.prototype),M.VideoTexture.prototype.constructor=M.VideoTexture,M.Sprite=function(){var t=new Uint16Array([0,1,2,0,2,3]),e=new Float32Array([-.5,-.5,0,.5,-.5,0,.5,.5,0,-.5,.5,0]),i=new Float32Array([0,0,1,0,1,1,0,1]),r=new M.BufferGeometry;return r.setIndex(new M.BufferAttribute(t,1)),r.addAttribute("position",new M.BufferAttribute(e,3)),r.addAttribute("uv",new M.BufferAttribute(i,2)),function(t){M.Object3D.call(this),this.type="Sprite",this.geometry=r,this.material=void 0===t?new M.SpriteMaterial:t}}(),M.Sprite.prototype=Object.create(M.Object3D.prototype),M.Sprite.prototype.constructor=M.Sprite,M.Sprite.prototype.raycast=function(){var t=new M.Vector3;return function(e,i){t.setFromMatrixPosition(this.matrixWorld);var r=e.ray.distanceSqToPoint(t);r>this.scale.x*this.scale.y||i.push({distance:u(r),point:this.position,face:null,object:this})}}(),M.Sprite.prototype.clone=function(){return new this.constructor(this.material).copy(this)},M.Particle=M.Sprite,M.LensFlare=function(t,e,i,r,n){M.Object3D.call(this),this.lensFlares=[],this.positionScreen=new M.Vector3,this.customUpdateCallback=void 0,void 0!==t&&this.add(t,e,i,r,n)},M.LensFlare.prototype=Object.create(M.Object3D.prototype),M.LensFlare.prototype.constructor=M.LensFlare,M.LensFlare.prototype.add=function(t,e,i,r,n,a){void 0===e&&(e=-1),void 0===i&&(i=0),void 0===a&&(a=1),void 0===n&&(n=new M.Color(16777215)),void 0===r&&(r=M.NormalBlending),i=g(i,v(0,i)),this.lensFlares.push({texture:t,size:e,distance:i,x:0,y:0,z:0,scale:1,rotation:0,opacity:a,color:n,blending:r})},M.LensFlare.prototype.updateLensFlares=function(){var t,e,i=this.lensFlares.length,r=2*-this.positionScreen.x,n=2*-this.positionScreen.y;for(t=0;t<i;t++)e=this.lensFlares[t],e.x=this.positionScreen.x+r*e.distance,e.y=this.positionScreen.y+n*e.distance,e.wantedRotation=e.x*f*.25,e.rotation+=.25*(e.wantedRotation-e.rotation)},M.LensFlare.prototype.copy=function(t){M.Object3D.prototype.copy.call(this,t),this.positionScreen.copy(t.positionScreen),this.customUpdateCallback=t.customUpdateCallback;for(var e=0,i=t.lensFlares.length;e<i;e++)this.lensFlares.push(t.lensFlares[e]);return this},M.Line=function(t,e,i){return 1===i?new M.LineSegments(t,e):(M.Object3D.call(this),this.type="Line",this.geometry=void 0===t?new M.Geometry:t,void(this.material=void 0===e?new M.LineBasicMaterial({color:16777215*Math.random()}):e))},M.Line.prototype=Object.create(M.Object3D.prototype),M.Line.prototype.constructor=M.Line,M.Line.prototype.raycast=function(){var t=new M.Matrix4,e=new M.Ray,i=new M.Sphere;return function(r,n){var a=r.linePrecision,o=a*a,s=this.geometry,h=this.matrixWorld;if(null===s.boundingSphere&&s.computeBoundingSphere(),i.copy(s.boundingSphere),i.applyMatrix4(h),!1!==r.ray.intersectsSphere(i)){t.getInverse(h),e.copy(r.ray).applyMatrix4(t);var u=new M.Vector3,l=new M.Vector3,c=new M.Vector3,p=new M.Vector3,d=this instanceof M.LineSegments?2:1;if(s instanceof M.BufferGeometry){var f=s.index,m=s.attributes.position.array;if(null!==f)for(var v=f.array,g=0,y=v.length-1;g<y;g+=d){var x=v[g],_=v[g+1];u.fromArray(m,3*x),l.fromArray(m,3*_),e.distanceSqToSegment(u,l,p,c)>o||(p.applyMatrix4(this.matrixWorld),(w=r.ray.origin.distanceTo(p))<r.near||w>r.far||n.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:g,face:null,faceIndex:null,object:this}))}else for(var g=0,y=m.length/3-1;g<y;g+=d)u.fromArray(m,3*g),l.fromArray(m,3*g+3),e.distanceSqToSegment(u,l,p,c)>o||(p.applyMatrix4(this.matrixWorld),(w=r.ray.origin.distanceTo(p))<r.near||w>r.far||n.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:g,face:null,faceIndex:null,object:this}))}else if(s instanceof M.Geometry)for(var b=s.vertices,S=b.length,g=0;g<S-1;g+=d)if(!(e.distanceSqToSegment(b[g],b[g+1],p,c)>o)){p.applyMatrix4(this.matrixWorld);var w=r.ray.origin.distanceTo(p);w<r.near||w>r.far||n.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:g,face:null,faceIndex:null,object:this})}}}}(),M.Line.prototype.clone=function(){return new this.constructor(this.geometry,this.material).copy(this)},M.LineStrip=0,M.LinePieces=1,M.LineSegments=function(t,e){M.Line.call(this,t,e),this.type="LineSegments"},M.LineSegments.prototype=Object.create(M.Line.prototype),M.LineSegments.prototype.constructor=M.LineSegments,M.Mesh=function(t,e){M.Object3D.call(this),this.type="Mesh",this.geometry=void 0===t?new M.Geometry:t,this.material=void 0===e?new M.MeshBasicMaterial({color:16777215*Math.random()}):e,this.drawMode=M.TrianglesDrawMode,this.updateMorphTargets()},M.Mesh.prototype=Object.create(M.Object3D.prototype),M.Mesh.prototype.constructor=M.Mesh,M.Mesh.prototype.setDrawMode=function(t){this.drawMode=t},M.Mesh.prototype.updateMorphTargets=function(){if(void 0!==this.geometry.morphTargets&&0<this.geometry.morphTargets.length){this.morphTargetBase=-1,this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var t=0,e=this.geometry.morphTargets.length;t<e;t++)this.morphTargetInfluences.push(0),this.morphTargetDictionary[this.geometry.morphTargets[t].name]=t}},M.Mesh.prototype.getMorphTargetIndexByName=function(t){return void 0===this.morphTargetDictionary[t]?0:this.morphTargetDictionary[t]},M.Mesh.prototype.raycast=function(){function t(t,e,i,r,n,a,o){return M.Triangle.barycoordFromPoint(t,e,i,r,v),n.multiplyScalar(v.x),a.multiplyScalar(v.y),o.multiplyScalar(v.z),n.add(a).add(o),n.clone()}function e(t,e,i,r,n,a,o){var s=t.material;if(null===(s.side===M.BackSide?i.intersectTriangle(a,n,r,!0,o):i.intersectTriangle(r,n,a,s.side!==M.DoubleSide,o)))return null;y.copy(o),y.applyMatrix4(t.matrixWorld);var h=e.ray.origin.distanceTo(y);return h<e.near||h>e.far?null:{distance:h,point:y.clone(),object:t}}function i(i,r,n,a,u,l,c,m){o.fromArray(a,3*l),s.fromArray(a,3*c),h.fromArray(a,3*m);var v=e(i,r,n,o,s,h,g);return v&&(u&&(p.fromArray(u,2*l),d.fromArray(u,2*c),f.fromArray(u,2*m),v.uv=t(g,o,s,h,p,d,f)),v.face=new M.Face3(l,c,m,M.Triangle.normal(o,s,h)),v.faceIndex=l),v}var r=new M.Matrix4,n=new M.Ray,a=new M.Sphere,o=new M.Vector3,s=new M.Vector3,h=new M.Vector3,u=new M.Vector3,l=new M.Vector3,c=new M.Vector3,p=new M.Vector2,d=new M.Vector2,f=new M.Vector2,v=new M.Vector3,g=new M.Vector3,y=new M.Vector3;return function(v,y){var x=this.geometry,_=this.material,b=this.matrixWorld;if(void 0!==_&&(null===x.boundingSphere&&x.computeBoundingSphere(),a.copy(x.boundingSphere),a.applyMatrix4(b),!1!==v.ray.intersectsSphere(a))&&(r.getInverse(b),n.copy(v.ray).applyMatrix4(r),null===x.boundingBox||!1!==n.intersectsBox(x.boundingBox))){var S,w;if(x instanceof M.BufferGeometry){var E,T,A,L=x.index,R=x.attributes,C=R.position.array;if(void 0!==R.uv&&(S=R.uv.array),null!==L)for(var U=L.array,F=0,P=U.length;F<P;F+=3)E=U[F],T=U[F+1],A=U[F+2],(w=i(this,v,n,C,S,E,T,A))&&(w.faceIndex=m(F/3),y.push(w));else for(var F=0,P=C.length;F<P;F+=9)E=F/3,T=E+1,A=E+2,(w=i(this,v,n,C,S,E,T,A))&&(w.index=E,y.push(w))}else if(x instanceof M.Geometry){var D,N,B,I=_ instanceof M.MultiMaterial,O=1==I?_.materials:null,V=x.vertices,z=x.faces,G=x.faceVertexUvs[0];0<G.length&&(S=G);for(var k=0,W=z.length;k<W;k++){var j=z[k],X=1==I?O[j.materialIndex]:_;if(void 0!==X){if(D=V[j.a],N=V[j.b],B=V[j.c],!0===X.morphTargets){var H=x.morphTargets,Y=this.morphTargetInfluences;o.set(0,0,0),s.set(0,0,0),h.set(0,0,0);for(var q,Z=0,Q=H.length;Z<Q;Z++)if(0!==(q=Y[Z])){var J=H[Z].vertices;o.addScaledVector(u.subVectors(J[j.a],D),q),s.addScaledVector(l.subVectors(J[j.b],N),q),h.addScaledVector(c.subVectors(J[j.c],B),q)}o.add(D),s.add(N),h.add(B),D=o,N=s,B=h}if(w=e(this,v,n,D,N,B,g)){if(S){var K=S[k];p.copy(K[0]),d.copy(K[1]),f.copy(K[2]),w.uv=t(g,D,N,B,p,d,f)}w.face=j,w.faceIndex=k,y.push(w)}}}}}}}(),M.Mesh.prototype.clone=function(){return new this.constructor(this.geometry,this.material).copy(this)},M.SkinnedMesh=function(t,e,i){M.Mesh.call(this,t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new M.Matrix4,this.bindMatrixInverse=new M.Matrix4;var r=[];if(this.geometry&&void 0!==this.geometry.bones){for(var n,a,o=0,s=this.geometry.bones.length;o<s;++o)a=this.geometry.bones[o],n=new M.Bone(this),r.push(n),n.name=a.name,n.position.fromArray(a.pos),n.quaternion.fromArray(a.rotq),void 0!==a.scl&&n.scale.fromArray(a.scl);for(var o=0,s=this.geometry.bones.length;o<s;++o)-1!==(a=this.geometry.bones[o]).parent&&null!==a.parent?r[a.parent].add(r[o]):this.add(r[o])}this.normalizeSkinWeights(),this.updateMatrixWorld(!0),this.bind(new M.Skeleton(r,void 0,i),this.matrixWorld)},M.SkinnedMesh.prototype=Object.create(M.Mesh.prototype),M.SkinnedMesh.prototype.constructor=M.SkinnedMesh,M.SkinnedMesh.prototype.bind=function(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.getInverse(e)},M.SkinnedMesh.prototype.pose=function(){this.skeleton.pose()},M.SkinnedMesh.prototype.normalizeSkinWeights=function(){if(this.geometry instanceof M.Geometry)for(r=0;r<this.geometry.skinWeights.length;r++){var t=this.geometry.skinWeights[r];(n=1/t.lengthManhattan())==1/0?t.set(1,0,0,0):t.multiplyScalar(n)}else if(this.geometry instanceof M.BufferGeometry)for(var e=new M.Vector4,i=this.geometry.attributes.skinWeight,r=0;r<i.count;r++){e.x=i.getX(r),e.y=i.getY(r),e.z=i.getZ(r),e.w=i.getW(r);var n=1/e.lengthManhattan();n==1/0?e.set(1,0,0,0):e.multiplyScalar(n),i.setXYZW(r,e.x,e.y,e.z,e.w)}},M.SkinnedMesh.prototype.updateMatrixWorld=function(){M.Mesh.prototype.updateMatrixWorld.call(this,!0),"attached"===this.bindMode?this.bindMatrixInverse.getInverse(this.matrixWorld):"detached"===this.bindMode&&this.bindMatrixInverse.getInverse(this.bindMatrix)},M.SkinnedMesh.prototype.clone=function(){return new this.constructor(this.geometry,this.material,this.useVertexTexture).copy(this)},M.Points=function(t,e){M.Object3D.call(this),this.type="Points",this.geometry=void 0===t?new M.Geometry:t,this.material=void 0===e?new M.PointsMaterial({color:16777215*Math.random()}):e},M.Points.prototype=Object.create(M.Object3D.prototype),M.Points.prototype.constructor=M.Points,M.Points.prototype.raycast=function(){var t=new M.Matrix4,e=new M.Ray,i=new M.Sphere;return function(r,n){function a(t,i){var a=e.distanceSqToPoint(t);if(a<p){var s=e.closestPointToPoint(t);s.applyMatrix4(h);var l=r.ray.origin.distanceTo(s);if(l<r.near||l>r.far)return;n.push({distance:l,distanceToRay:u(a),point:s.clone(),index:i,face:null,object:o})}}var o=this,s=this.geometry,h=this.matrixWorld,l=r.params.Points.threshold;if(null===s.boundingSphere&&s.computeBoundingSphere(),i.copy(s.boundingSphere),i.applyMatrix4(h),!1!==r.ray.intersectsSphere(i)){t.getInverse(h),e.copy(r.ray).applyMatrix4(t);var c=l/((this.scale.x+this.scale.y+this.scale.z)/3),p=c*c,d=new M.Vector3;if(s instanceof M.BufferGeometry){var f=s.index,m=s.attributes.position.array;if(null!==f)for(var v,g=f.array,y=0,x=g.length;y<x;y++)v=g[y],d.fromArray(m,3*v),a(d,v);else for(var y=0,_=m.length/3;y<_;y++)d.fromArray(m,3*y),a(d,y)}else for(var b=s.vertices,y=0,_=b.length;y<_;y++)a(b[y],y)}}}(),M.Points.prototype.clone=function(){return new this.constructor(this.geometry,this.material).copy(this)},M.Light=function(t,e){M.Object3D.call(this),this.type="Light",this.color=new M.Color(t),this.intensity=void 0===e?1:e,this.receiveShadow=void 0},M.Light.prototype=Object.create(M.Object3D.prototype),M.Light.prototype.constructor=M.Light,M.Light.prototype.copy=function(t){return M.Object3D.prototype.copy.call(this,t),this.color.copy(t.color),this.intensity=t.intensity,this},M.Light.prototype.toJSON=function(t){var e=M.Object3D.prototype.toJSON.call(this,t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),e},M.ShaderChunk={},M.ShaderChunk.alphamap_fragment="#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n\n#endif\n",M.ShaderChunk.alphamap_pars_fragment="#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",M.ShaderChunk.alphatest_fragment="#ifdef ALPHATEST\n\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n\n#endif\n",M.ShaderChunk.aomap_fragment="#ifdef USE_AOMAP\n\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\n\t#endif\n\n#endif\n",M.ShaderChunk.aomap_pars_fragment="#ifdef USE_AOMAP\n\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n\n#endif",M.ShaderChunk.begin_vertex="\nvec3 transformed = vec3( position );\n",M.ShaderChunk.beginnormal_vertex="\nvec3 objectNormal = vec3( normal );\n",M.ShaderChunk.color_fragment="#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif",M.ShaderChunk.color_pars_fragment="#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",M.ShaderChunk.color_pars_vertex="#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif",M.ShaderChunk.color_vertex="#ifdef USE_COLOR\n\n\tvColor.xyz = color.xyz;\n\n#endif",M.ShaderChunk.common="#define PI 3.14159\n#define PI2 6.28318\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#define whiteCompliment(a) ( 1.0 - saturate( a ) )\n\nfloat pow2( const in float 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 average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\n\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n};\n\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\n// http://en.wikibooks.org/wiki/GLSL_Programming/Applying_Matrix_Transformations\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n",M.ShaderChunk.defaultnormal_vertex="#ifdef FLIP_SIDED\n\n\tobjectNormal = -objectNormal;\n\n#endif\n\nvec3 transformedNormal = normalMatrix * objectNormal;\n",M.ShaderChunk.encodings_fragment="  gl_FragColor = linearToOutputTexel( gl_FragColor );\n",M.ShaderChunk.encodings_pars_fragment="// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n  return value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );\n}\n\nvec4 sRGBToLinear( in vec4 value ) {\n  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n  return 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.w );\n}\n\nvec4 RGBEToLinear( in vec4 value ) {\n  return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n  float maxComponent = max( max( value.r, value.g ), value.b );\n  float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n  return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n//  return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n  return vec4( value.xyz * value.w * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n  float maxRGB = max( value.x, max( value.g, value.b ) );\n  float M      = clamp( maxRGB / maxRange, 0.0, 1.0 );\n  M            = ceil( M * 255.0 ) / 255.0;\n  return vec4( value.rgb / ( M * maxRange ), M );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n    return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n    float maxRGB = max( value.x, max( value.g, value.b ) );\n    float D      = max( maxRange / maxRGB, 1.0 );\n    D            = min( floor( D ) / 255.0, 1.0 );\n    return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value )  {\n  vec3 Xp_Y_XYZp = value.rgb * cLogLuvM;\n  Xp_Y_XYZp = max(Xp_Y_XYZp, vec3(1e-6, 1e-6, 1e-6));\n  vec4 vResult;\n  vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n  float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n  vResult.w = fract(Le);\n  vResult.z = (Le - (floor(vResult.w*255.0))/255.0)/255.0;\n  return vResult;\n}\n\n// Inverse M matrix, for decoding\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n  float Le = value.z * 255.0 + value.w;\n  vec3 Xp_Y_XYZp;\n  Xp_Y_XYZp.y = exp2((Le - 127.0) / 2.0);\n  Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n  Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n  vec3 vRGB = Xp_Y_XYZp.rgb * cLogLuvInverseM;\n  return vec4( max(vRGB, 0.0), 1.0 );\n}\n",M.ShaderChunk.envmap_fragment="#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\tvec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef DOUBLE_SIDED\n\t\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#else\n\t\tfloat flipNormal = 1.0;\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\n\t\tvec2 sampleUV;\n\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\n\t\tvec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\n\t#endif\n\n\tenvColor = envMapTexelToLinear( envColor );\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",M.ShaderChunk.envmap_pars_fragment="#if defined( USE_ENVMAP ) || defined( STANDARD )\n\tuniform float reflectivity;\n\tuniform float envMapIntenstiy;\n#endif\n\n#ifdef USE_ENVMAP\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\tuniform float flipEnvMap;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( STANDARD )\n\n\t\tuniform float refractionRatio;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\n\t#endif\n\n#endif\n",M.ShaderChunk.envmap_pars_vertex="#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP ) && ! defined( PHONG ) && ! defined( STANDARD )\n\n\tvarying vec3 vReflect;\n\n\tuniform float refractionRatio;\n\n#endif\n",M.ShaderChunk.envmap_vertex="#if defined( USE_ENVMAP ) && ! defined( USE_BUMPMAP ) && ! defined( USE_NORMALMAP ) && ! defined( PHONG ) && ! defined( STANDARD )\n\n\tvec3 cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t#else\n\n\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t#endif\n\n#endif\n",M.ShaderChunk.fog_fragment="#ifdef USE_FOG\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\n\t#else\n\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\n\t#endif\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",M.ShaderChunk.fog_pars_fragment="#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n\n#endif",M.ShaderChunk.logdepthbuf_fragment="#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)\n\n\tgl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;\n\n#endif",M.ShaderChunk.logdepthbuf_pars_fragment="#ifdef USE_LOGDEPTHBUF\n\n\tuniform float logDepthBufFC;\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\n\t#endif\n\n#endif\n",M.ShaderChunk.logdepthbuf_pars_vertex="#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\n\t#endif\n\n\tuniform float logDepthBufFC;\n\n#endif",M.ShaderChunk.logdepthbuf_vertex="#ifdef USE_LOGDEPTHBUF\n\n\tgl_Position.z = log2(max( EPSILON, gl_Position.w + 1.0 )) * logDepthBufFC;\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\n\t#else\n\n\t\tgl_Position.z = (gl_Position.z - 1.0) * gl_Position.w;\n\n\t#endif\n\n#endif\n",M.ShaderChunk.map_fragment="#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",M.ShaderChunk.map_pars_fragment="#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",M.ShaderChunk.morphnormal_vertex="#ifdef USE_MORPHNORMALS\n\n\tobjectNormal += ( morphNormal0 - normal ) * morphTargetInfluences[ 0 ];\n\tobjectNormal += ( morphNormal1 - normal ) * morphTargetInfluences[ 1 ];\n\tobjectNormal += ( morphNormal2 - normal ) * morphTargetInfluences[ 2 ];\n\tobjectNormal += ( morphNormal3 - normal ) * morphTargetInfluences[ 3 ];\n\n#endif\n",M.ShaderChunk.morphtarget_pars_vertex="#ifdef USE_MORPHTARGETS\n\n\t#ifndef USE_MORPHNORMALS\n\n\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif",M.ShaderChunk.morphtarget_vertex="#ifdef USE_MORPHTARGETS\n\n\ttransformed += ( morphTarget0 - position ) * morphTargetInfluences[ 0 ];\n\ttransformed += ( morphTarget1 - position ) * morphTargetInfluences[ 1 ];\n\ttransformed += ( morphTarget2 - position ) * morphTargetInfluences[ 2 ];\n\ttransformed += ( morphTarget3 - position ) * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\ttransformed += ( morphTarget4 - position ) * morphTargetInfluences[ 4 ];\n\ttransformed += ( morphTarget5 - position ) * morphTargetInfluences[ 5 ];\n\ttransformed += ( morphTarget6 - position ) * morphTargetInfluences[ 6 ];\n\ttransformed += ( morphTarget7 - position ) * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",M.ShaderChunk.premultiplied_alpha_fragment="#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",M.ShaderChunk.project_vertex="#ifdef USE_SKINNING\n\n\tvec4 mvPosition = modelViewMatrix * skinned;\n\n#else\n\n\tvec4 mvPosition = modelViewMatrix * vec4( transformed, 1.0 );\n\n#endif\n\ngl_Position = projectionMatrix * mvPosition;\n",M.ShaderChunk.skinbase_vertex="#ifdef USE_SKINNING\n\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\n#endif",M.ShaderChunk.skinning_pars_vertex="#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform sampler2D boneTexture;\n\t\tuniform int boneTextureWidth;\n\t\tuniform int boneTextureHeight;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureWidth ) );\n\t\t\tfloat y = floor( j / float( boneTextureWidth ) );\n\n\t\t\tfloat dx = 1.0 / float( boneTextureWidth );\n\t\t\tfloat dy = 1.0 / float( boneTextureHeight );\n\n\t\t\ty = dy * ( y + 0.5 );\n\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneGlobalMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneGlobalMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",M.ShaderChunk.skinning_vertex="#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\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\tskinned  = bindMatrixInverse * skinned;\n\n#endif\n",M.ShaderChunk.skinnormal_vertex="#ifdef USE_SKINNING\n\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\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n#endif\n",M.ShaderChunk.specularmap_fragment="float specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif",M.ShaderChunk.specularmap_pars_fragment="#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif",M.ShaderChunk.tonemapping_fragment="#if defined( TONE_MAPPING )\n\n  gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",M.ShaderChunk.tonemapping_pars_fragment="#define saturate(a) clamp( a, 0.0, 1.0 )\n\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n  return toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n  color *= toneMappingExposure;\n  return saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\n  // John Hable's filmic operator from Uncharted 2 video game\n  color *= toneMappingExposure;\n  return saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n  // optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\n  color *= toneMappingExposure;\n  color = max( vec3( 0.0 ), color - 0.004 );\n  return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n\n}\n",M.ShaderChunk.uv2_pars_fragment="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif",M.ShaderChunk.uv2_pars_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n#endif",M.ShaderChunk.uv2_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = uv2;\n\n#endif",M.ShaderChunk.uv_pars_fragment="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvarying vec2 vUv;\n\n#endif",M.ShaderChunk.uv_pars_vertex="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvarying vec2 vUv;\n\tuniform vec4 offsetRepeat;\n\n#endif\n",M.ShaderChunk.uv_vertex="#if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\n\tvUv = uv * offsetRepeat.zw + offsetRepeat.xy;\n\n#endif",M.ShaderChunk.worldpos_vertex="#if defined( USE_ENVMAP ) || defined( PHONG ) || defined( STANDARD ) || defined( LAMBERT ) || defined ( USE_SHADOWMAP )\n\n\t#ifdef USE_SKINNING\n\n\t\tvec4 worldPosition = modelMatrix * skinned;\n\n\t#else\n\n\t\tvec4 worldPosition = modelMatrix * vec4( transformed, 1.0 );\n\n\t#endif\n\n#endif\n",M.ShaderChunk.meshbasic_frag="uniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include <common>\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 <aomap_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n\nvoid main() {\n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\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\n\tReflectedLight reflectedLight;\n\treflectedLight.directDiffuse = vec3( 0.0 );\n\treflectedLight.directSpecular = vec3( 0.0 );\n\treflectedLight.indirectDiffuse = diffuseColor.rgb;\n\treflectedLight.indirectSpecular = vec3( 0.0 );\n\n\t#include <aomap_fragment>\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include <envmap_fragment>\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include <premultiplied_alpha_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\n}\n",M.ShaderChunk.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 <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n\nvoid main() {\n\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\n\t#ifdef USE_ENVMAP\n\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\n\t#endif\n\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\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\n}\n",M.UniformsUtils={merge:function(t){for(var e,i={},r=0;r<t.length;r++)for(var n in e=this.clone(t[r]))i[n]=e[n];return i},clone:function(t){var e={};for(var i in t)for(var r in e[i]={},t[i]){var n=t[i][r];e[i][r]=n instanceof M.Color||n instanceof M.Vector2||n instanceof M.Vector3||n instanceof M.Vector4||n instanceof M.Matrix3||n instanceof M.Matrix4||n instanceof M.Texture?n.clone():Array.isArray(n)?n.slice():n}return e}},M.UniformsLib={common:{diffuse:{type:"c",value:new M.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new M.Vector4(0,0,1,1)},specularMap:{type:"t",value:null},alphaMap:{type:"t",value:null},envMap:{type:"t",value:null},flipEnvMap:{type:"f",value:-1},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:.98}},aomap:{aoMap:{type:"t",value:null},aoMapIntensity:{type:"f",value:1}},lightmap:{lightMap:{type:"t",value:null},lightMapIntensity:{type:"f",value:1}},emissivemap:{emissiveMap:{type:"t",value:null}},bumpmap:{bumpMap:{type:"t",value:null},bumpScale:{type:"f",value:1}},normalmap:{normalMap:{type:"t",value:null},normalScale:{type:"v2",value:new M.Vector2(1,1)}},displacementmap:{displacementMap:{type:"t",value:null},displacementScale:{type:"f",value:1},displacementBias:{type:"f",value:0}},roughnessmap:{roughnessMap:{type:"t",value:null}},metalnessmap:{metalnessMap:{type:"t",value:null}},fog:{fogDensity:{type:"f",value:25e-5},fogNear:{type:"f",value:1},fogFar:{type:"f",value:2e3},fogColor:{type:"c",value:new M.Color(16777215)}},lights:{ambientLightColor:{type:"fv",value:[]},directionalLights:{type:"sa",value:[],properties:{direction:{type:"v3"},color:{type:"c"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},directionalShadowMap:{type:"tv",value:[]},directionalShadowMatrix:{type:"m4v",value:[]},spotLights:{type:"sa",value:[],properties:{color:{type:"c"},position:{type:"v3"},direction:{type:"v3"},distance:{type:"f"},coneCos:{type:"f"},penumbraCos:{type:"f"},decay:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},spotShadowMap:{type:"tv",value:[]},spotShadowMatrix:{type:"m4v",value:[]},pointLights:{type:"sa",value:[],properties:{color:{type:"c"},position:{type:"v3"},decay:{type:"f"},distance:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},pointShadowMap:{type:"tv",value:[]},pointShadowMatrix:{type:"m4v",value:[]},hemisphereLights:{type:"sa",value:[],properties:{direction:{type:"v3"},skyColor:{type:"c"},groundColor:{type:"c"}}}},points:{diffuse:{type:"c",value:new M.Color(15658734)},opacity:{type:"f",value:1},size:{type:"f",value:1},scale:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new M.Vector4(0,0,1,1)}}},M.ShaderLib={basic:{uniforms:M.UniformsUtils.merge([M.UniformsLib.common,M.UniformsLib.aomap,M.UniformsLib.fog]),vertexShader:M.ShaderChunk.meshbasic_vert,fragmentShader:M.ShaderChunk.meshbasic_frag},lambert:{uniforms:M.UniformsUtils.merge([M.UniformsLib.common,M.UniformsLib.aomap,M.UniformsLib.lightmap,M.UniformsLib.emissivemap,M.UniformsLib.fog,M.UniformsLib.lights,{emissive:{type:"c",value:new M.Color(0)}}]),vertexShader:M.ShaderChunk.meshlambert_vert,fragmentShader:M.ShaderChunk.meshlambert_frag},phong:{uniforms:M.UniformsUtils.merge([M.UniformsLib.common,M.UniformsLib.aomap,M.UniformsLib.lightmap,M.UniformsLib.emissivemap,M.UniformsLib.bumpmap,M.UniformsLib.normalmap,M.UniformsLib.displacementmap,M.UniformsLib.fog,M.UniformsLib.lights,{emissive:{type:"c",value:new M.Color(0)},specular:{type:"c",value:new M.Color(1118481)},shininess:{type:"f",value:30}}]),vertexShader:M.ShaderChunk.meshphong_vert,fragmentShader:M.ShaderChunk.meshphong_frag},standard:{uniforms:M.UniformsUtils.merge([M.UniformsLib.common,M.UniformsLib.aomap,M.UniformsLib.lightmap,M.UniformsLib.emissivemap,M.UniformsLib.bumpmap,M.UniformsLib.normalmap,M.UniformsLib.displacementmap,M.UniformsLib.roughnessmap,M.UniformsLib.metalnessmap,M.UniformsLib.fog,M.UniformsLib.lights,{emissive:{type:"c",value:new M.Color(0)},roughness:{type:"f",value:.5},metalness:{type:"f",value:0},envMapIntensity:{type:"f",value:1}}]),vertexShader:M.ShaderChunk.meshstandard_vert,fragmentShader:M.ShaderChunk.meshstandard_frag},points:{uniforms:M.UniformsUtils.merge([M.UniformsLib.points,M.UniformsLib.fog]),vertexShader:M.ShaderChunk.points_vert,fragmentShader:M.ShaderChunk.points_frag},dashed:{uniforms:M.UniformsUtils.merge([M.UniformsLib.common,M.UniformsLib.fog,{scale:{type:"f",value:1},dashSize:{type:"f",value:1},totalSize:{type:"f",value:2}}]),vertexShader:M.ShaderChunk.linedashed_vert,fragmentShader:M.ShaderChunk.linedashed_frag},depth:{uniforms:{mNear:{type:"f",value:1},mFar:{type:"f",value:2e3},opacity:{type:"f",value:1}},vertexShader:M.ShaderChunk.depth_vert,fragmentShader:M.ShaderChunk.depth_frag},normal:{uniforms:{opacity:{type:"f",value:1}},vertexShader:M.ShaderChunk.normal_vert,fragmentShader:M.ShaderChunk.normal_frag},cube:{uniforms:{tCube:{type:"t",value:null},tFlip:{type:"f",value:-1}},vertexShader:M.ShaderChunk.cube_vert,fragmentShader:M.ShaderChunk.cube_frag},equirect:{uniforms:{tEquirect:{type:"t",value:null},tFlip:{type:"f",value:-1}},vertexShader:M.ShaderChunk.equirect_vert,fragmentShader:M.ShaderChunk.equirect_frag},depthRGBA:{uniforms:{},vertexShader:M.ShaderChunk.depthRGBA_vert,fragmentShader:M.ShaderChunk.depthRGBA_frag},distanceRGBA:{uniforms:{lightPos:{type:"v3",value:new M.Vector3(0,0,0)}},vertexShader:M.ShaderChunk.distanceRGBA_vert,fragmentShader:M.ShaderChunk.distanceRGBA_frag}},M.WebGLRenderer=function(t){function e(){return null==Tt?Vt:1}function i(t,e,i,r){!0===ft&&(t*=r,e*=r,i*=r),$t.clearColor(t,e,i,r)}function r(){$t.init(),$t.scissor(Ut.copy(zt).multiplyScalar(Vt)),$t.viewport(Pt.copy(kt).multiplyScalar(Vt)),i(Nt.r,Nt.g,Nt.b,Bt)}function n(){Et=null,Ct=null,Rt="",Lt=-1,$t.reset()}function o(t){t.preventDefault(),n(),r(),te.clear()}function h(t){var e=t.target;e.removeEventListener("dispose",h),c(e),Yt.textures--}function u(t){var e=t.target;e.removeEventListener("dispose",u),f(e),Yt.textures--}function l(t){var e=t.target;e.removeEventListener("dispose",l),y(e)}function c(t){var e=te.get(t);if(t.image&&e.__image__webglTextureCube)Zt.deleteTexture(e.__image__webglTextureCube);else{if(void 0===e.__webglInit)return;Zt.deleteTexture(e.__webglTexture)}te.delete(t)}function f(t){var e=te.get(t),i=te.get(t.texture);if(t&&void 0!==i.__webglTexture){if(Zt.deleteTexture(i.__webglTexture),t instanceof M.WebGLRenderTargetCube)for(var r=0;6>r;r++)Zt.deleteFramebuffer(e.__webglFramebuffer[r]),Zt.deleteRenderbuffer(e.__webglDepthbuffer[r]);else Zt.deleteFramebuffer(e.__webglFramebuffer),Zt.deleteRenderbuffer(e.__webglDepthbuffer);te.delete(t.texture),te.delete(t)}}function y(t){x(t),te.delete(t)}function x(t){var e=te.get(t).program;t.program=void 0,void 0!==e&&ie.releaseProgram(e)}function _(t,e,i,r){var n;if(!(i instanceof M.InstancedBufferGeometry&&null===(n=Jt.get("ANGLE_instanced_arrays")))){void 0===r&&(r=0),$t.initAttributes();var a=i.attributes,o=e.getAttributes(),s=t.defaultAttributeValues;for(var h in o){var u=o[h];if(0<=u){var l=a[h];if(void 0!==l){var c=l.itemSize,p=ee.getAttributeBuffer(l);if(l instanceof M.InterleavedBufferAttribute){var d=l.data,f=d.stride,m=l.offset;d instanceof M.InstancedInterleavedBuffer?($t.enableAttributeAndDivisor(u,d.meshPerAttribute,n),void 0===i.maxInstancedCount&&(i.maxInstancedCount=d.meshPerAttribute*d.count)):$t.enableAttribute(u),Zt.bindBuffer(Zt.ARRAY_BUFFER,p),Zt.vertexAttribPointer(u,c,Zt.FLOAT,!1,f*d.array.BYTES_PER_ELEMENT,(r*f+m)*d.array.BYTES_PER_ELEMENT)}else l instanceof M.InstancedBufferAttribute?($t.enableAttributeAndDivisor(u,l.meshPerAttribute,n),void 0===i.maxInstancedCount&&(i.maxInstancedCount=l.meshPerAttribute*l.count)):$t.enableAttribute(u),Zt.bindBuffer(Zt.ARRAY_BUFFER,p),Zt.vertexAttribPointer(u,c,Zt.FLOAT,!1,0,r*c*4)}else if(void 0!==s){var v=s[h];if(void 0!==v)switch(v.length){case 2:Zt.vertexAttrib2fv(u,v);break;case 3:Zt.vertexAttrib3fv(u,v);break;case 4:Zt.vertexAttrib4fv(u,v);break;default:Zt.vertexAttrib1fv(u,v)}}}}$t.disableUnusedAttributes()}}function b(t,e){return s(e[0])-s(t[0])}function S(t,e){return t.object.renderOrder===e.object.renderOrder?t.material.id===e.material.id?t.z===e.z?t.id-e.id:t.z-e.z:t.material.id-e.material.id:t.object.renderOrder-e.object.renderOrder}function w(t,e){return t.object.renderOrder===e.object.renderOrder?t.z===e.z?t.id-e.id:e.z-t.z:t.object.renderOrder-e.object.renderOrder}function E(t,e,i,r,n){var a,o;i.transparent?(a=xt,o=++Mt):(a=gt,o=++yt);var s=a[o];void 0===s?(s={id:t.id,object:t,geometry:e,material:i,z:Xt.z,group:n},a.push(s)):(s.id=t.id,s.object=t,s.geometry=e,s.material=i,s.z=Xt.z,s.group=n)}function T(t,e){if(!1!==t.visible){if(t.layers.test(e.layers))if(t instanceof M.Light)vt.push(t);else if(t instanceof M.Sprite)(!1===t.frustumCulled||!0===Wt.intersectsObject(t))&&bt.push(t);else if(t instanceof M.LensFlare)St.push(t);else if(t instanceof M.ImmediateRenderObject)!0===wt.sortObjects&&(Xt.setFromMatrixPosition(t.matrixWorld),Xt.applyProjection(jt)),E(t,null,t.material,Xt.z,null);else if((t instanceof M.Mesh||t instanceof M.Line||t instanceof M.Points)&&(t instanceof M.SkinnedMesh&&t.skeleton.update(),!1===t.frustumCulled||!0===Wt.intersectsObject(t))){var i=t.material;if(!0===i.visible){!0===wt.sortObjects&&(Xt.setFromMatrixPosition(t.matrixWorld),Xt.applyProjection(jt));var r=ee.update(t);if(i instanceof M.MultiMaterial)for(var n=r.groups,a=i.materials,o=0,s=n.length;o<s;o++){var h=n[o],u=a[h.materialIndex];!0===u.visible&&E(t,r,u,Xt.z,h)}else E(t,r,i,Xt.z,null)}}for(var l=t.children,o=0,s=l.length;o<s;o++)T(l[o],e)}}function A(t,e,i,r){for(var n=0,a=t.length;n<a;n++){var o=t[n],s=o.object,h=o.geometry,u=void 0===r?o.material:r,l=o.group;if(s.modelViewMatrix.multiplyMatrices(e.matrixWorldInverse,s.matrixWorld),s.normalMatrix.getNormalMatrix(s.modelViewMatrix),s instanceof M.ImmediateRenderObject){R(u);var c=U(e,i,u,s);Rt="",s.render(function(t){wt.renderBufferImmediate(t,c,u)})}else wt.renderBufferDirect(e,i,h,u,s,l)}}function L(t,e,i){var r=te.get(t),n=ie.getParameters(t,Ht,e,i),a=ie.getProgramCode(t,n),o=r.program,s=!0;if(void 0===o)t.addEventListener("dispose",l);else if(o.code!==a)x(t);else{if(void 0!==n.shaderID)return;s=!1}if(s){if(n.shaderID){var h=M.ShaderLib[n.shaderID];r.__webglShader={name:t.type,uniforms:M.UniformsUtils.clone(h.uniforms),vertexShader:h.vertexShader,fragmentShader:h.fragmentShader}}else r.__webglShader={name:t.type,uniforms:t.uniforms,vertexShader:t.vertexShader,fragmentShader:t.fragmentShader};t.__webglShader=r.__webglShader,o=ie.acquireProgram(t,n,a),r.program=o,t.program=o}var u=o.getAttributes();if(t.morphTargets){t.numSupportedMorphTargets=0;for(c=0;c<wt.maxMorphTargets;c++)0<=u["morphTarget"+c]&&t.numSupportedMorphTargets++}if(t.morphNormals){t.numSupportedMorphNormals=0;for(var c=0;c<wt.maxMorphNormals;c++)0<=u["morphNormal"+c]&&t.numSupportedMorphNormals++}r.uniformsList=[];var p=r.__webglShader.uniforms,d=r.program.getUniforms();for(var f in p){var m=d[f];m&&r.uniformsList.push([r.__webglShader.uniforms[f],m])}(t instanceof M.MeshPhongMaterial||t instanceof M.MeshLambertMaterial||t instanceof M.MeshStandardMaterial||t.lights)&&(r.lightsHash=Ht.hash,p.ambientLightColor.value=Ht.ambient,p.directionalLights.value=Ht.directional,p.spotLights.value=Ht.spot,p.pointLights.value=Ht.point,p.hemisphereLights.value=Ht.hemi,p.directionalShadowMap.value=Ht.directionalShadowMap,p.directionalShadowMatrix.value=Ht.directionalShadowMatrix,p.spotShadowMap.value=Ht.spotShadowMap,p.spotShadowMatrix.value=Ht.spotShadowMatrix,p.pointShadowMap.value=Ht.pointShadowMap,p.pointShadowMatrix.value=Ht.pointShadowMatrix),r.hasDynamicUniforms=!1;for(var v=0,g=r.uniformsList.length;v<g;v++)if(!0===r.uniformsList[v][0].dynamic){r.hasDynamicUniforms=!0;break}}function R(t){C(t),!0===t.transparent?$t.setBlending(t.blending,t.blendEquation,t.blendSrc,t.blendDst,t.blendEquationAlpha,t.blendSrcAlpha,t.blendDstAlpha,t.premultipliedAlpha):$t.setBlending(M.NoBlending),$t.setDepthFunc(t.depthFunc),$t.setDepthTest(t.depthTest),$t.setDepthWrite(t.depthWrite),$t.setColorWrite(t.colorWrite),$t.setPolygonOffset(t.polygonOffset,t.polygonOffsetFactor,t.polygonOffsetUnits)}function C(t){t.side===M.DoubleSide?$t.disable(Zt.CULL_FACE):$t.enable(Zt.CULL_FACE),$t.setFlipSided(t.side===M.BackSide)}function U(t,e,i,r){Dt=0;var n=te.get(i);void 0===n.program&&(i.needsUpdate=!0),void 0!==n.lightsHash&&n.lightsHash!==Ht.hash&&(i.needsUpdate=!0),i.needsUpdate&&(L(i,e,r),i.needsUpdate=!1);var a=!1,o=!1,s=!1,h=n.program,u=h.getUniforms(),l=n.__webglShader.uniforms;if(h.id!==Et&&(Zt.useProgram(h.program),Et=h.id,a=!0,o=!0,s=!0),i.id!==Lt&&(Lt=i.id,o=!0),(a||t!==Ct)&&(Zt.uniformMatrix4fv(u.projectionMatrix,!1,t.projectionMatrix.elements),Kt.logarithmicDepthBuffer&&Zt.uniform1f(u.logDepthBufFC,2/(d(t.far+1)/p)),t!==Ct&&(Ct=t,o=!0,s=!0),(i instanceof M.ShaderMaterial||i instanceof M.MeshPhongMaterial||i instanceof M.MeshStandardMaterial||i.envMap)&&void 0!==u.cameraPosition&&(Xt.setFromMatrixPosition(t.matrixWorld),Zt.uniform3f(u.cameraPosition,Xt.x,Xt.y,Xt.z)),(i instanceof M.MeshPhongMaterial||i instanceof M.MeshLambertMaterial||i instanceof M.MeshBasicMaterial||i instanceof M.MeshStandardMaterial||i instanceof M.ShaderMaterial||i.skinning)&&void 0!==u.viewMatrix&&Zt.uniformMatrix4fv(u.viewMatrix,!1,t.matrixWorldInverse.elements),void 0!==u.toneMappingExposure&&Zt.uniform1f(u.toneMappingExposure,wt.toneMappingExposure),void 0!==u.toneMappingWhitePoint&&Zt.uniform1f(u.toneMappingWhitePoint,wt.toneMappingWhitePoint)),i.skinning)if(r.bindMatrix&&void 0!==u.bindMatrix&&Zt.uniformMatrix4fv(u.bindMatrix,!1,r.bindMatrix.elements),r.bindMatrixInverse&&void 0!==u.bindMatrixInverse&&Zt.uniformMatrix4fv(u.bindMatrixInverse,!1,r.bindMatrixInverse.elements),Kt.floatVertexTextures&&r.skeleton&&r.skeleton.useVertexTexture){if(void 0!==u.boneTexture){var c=W();Zt.uniform1i(u.boneTexture,c),wt.setTexture(r.skeleton.boneTexture,c)}void 0!==u.boneTextureWidth&&Zt.uniform1i(u.boneTextureWidth,r.skeleton.boneTextureWidth),void 0!==u.boneTextureHeight&&Zt.uniform1i(u.boneTextureHeight,r.skeleton.boneTextureHeight)}else r.skeleton&&r.skeleton.boneMatrices&&void 0!==u.boneGlobalMatrices&&Zt.uniformMatrix4fv(u.boneGlobalMatrices,!1,r.skeleton.boneMatrices);return o&&((i instanceof M.MeshPhongMaterial||i instanceof M.MeshLambertMaterial||i instanceof M.MeshStandardMaterial||i.lights)&&G(l,s),e&&i.fog&&I(l,e),(i instanceof M.MeshBasicMaterial||i instanceof M.MeshLambertMaterial||i instanceof M.MeshPhongMaterial||i instanceof M.MeshStandardMaterial)&&P(l,i),i instanceof M.LineBasicMaterial?D(l,i):i instanceof M.LineDashedMaterial?(D(l,i),N(l,i)):i instanceof M.PointsMaterial?B(l,i):i instanceof M.MeshLambertMaterial?O(l,i):i instanceof M.MeshPhongMaterial?V(l,i):i instanceof M.MeshStandardMaterial?z(l,i):i instanceof M.MeshDepthMaterial?(l.mNear.value=t.near,l.mFar.value=t.far,l.opacity.value=i.opacity):i instanceof M.MeshNormalMaterial&&(l.opacity.value=i.opacity),X(n.uniformsList)),k(u,r),void 0!==u.modelMatrix&&Zt.uniformMatrix4fv(u.modelMatrix,!1,r.matrixWorld.elements),!0===n.hasDynamicUniforms&&F(n.uniformsList,r,t),h}function F(t,e,i){for(var r=[],n=0,a=t.length;n<a;n++){var o=t[n][0],s=o.onUpdateCallback;void 0!==s&&(s.bind(o)(e,i),r.push(t[n]))}X(r)}function P(t,e){t.opacity.value=e.opacity,t.diffuse.value=e.color,e.emissive&&t.emissive.value.copy(e.emissive).multiplyScalar(e.emissiveIntensity),t.map.value=e.map,t.specularMap.value=e.specularMap,t.alphaMap.value=e.alphaMap,e.aoMap&&(t.aoMap.value=e.aoMap,t.aoMapIntensity.value=e.aoMapIntensity);var i;if(e.map?i=e.map:e.specularMap?i=e.specularMap:e.displacementMap?i=e.displacementMap:e.normalMap?i=e.normalMap:e.bumpMap?i=e.bumpMap:e.roughnessMap?i=e.roughnessMap:e.metalnessMap?i=e.metalnessMap:e.alphaMap?i=e.alphaMap:e.emissiveMap&&(i=e.emissiveMap),void 0!==i){i instanceof M.WebGLRenderTarget&&(i=i.texture);var r=i.offset,n=i.repeat;t.offsetRepeat.value.set(r.x,r.y,n.x,n.y)}t.envMap.value=e.envMap,t.flipEnvMap.value=e.envMap instanceof M.WebGLRenderTargetCube?1:-1,t.reflectivity.value=e.reflectivity,t.refractionRatio.value=e.refractionRatio}function D(t,e){t.diffuse.value=e.color,t.opacity.value=e.opacity}function N(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}function B(t,e){if(t.diffuse.value=e.color,t.opacity.value=e.opacity,t.size.value=e.size*Vt,t.scale.value=ht.clientHeight/2,t.map.value=e.map,null!==e.map){var i=e.map.offset,r=e.map.repeat;t.offsetRepeat.value.set(i.x,i.y,r.x,r.y)}}function I(t,e){t.fogColor.value=e.color,e instanceof M.Fog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e instanceof M.FogExp2&&(t.fogDensity.value=e.density)}function O(t,e){e.lightMap&&(t.lightMap.value=e.lightMap,t.lightMapIntensity.value=e.lightMapIntensity),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap)}function V(t,e){t.specular.value=e.specular,t.shininess.value=v(e.shininess,1e-4),e.lightMap&&(t.lightMap.value=e.lightMap,t.lightMapIntensity.value=e.lightMapIntensity),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap),e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale),e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale)),e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}function z(t,e){t.roughness.value=e.roughness,t.metalness.value=e.metalness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap),e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap),e.lightMap&&(t.lightMap.value=e.lightMap,t.lightMapIntensity.value=e.lightMapIntensity),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap),e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale),e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale)),e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias),e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}function G(t,e){t.ambientLightColor.needsUpdate=e,t.directionalLights.needsUpdate=e,t.pointLights.needsUpdate=e,t.spotLights.needsUpdate=e,t.hemisphereLights.needsUpdate=e}function k(t,e){Zt.uniformMatrix4fv(t.modelViewMatrix,!1,e.modelViewMatrix.elements),t.normalMatrix&&Zt.uniformMatrix3fv(t.normalMatrix,!1,e.normalMatrix.elements)}function W(){var t=Dt;return Kt.maxTextures,Dt+=1,t}function j(t,e,i,r){var n,a;if("1i"===e)Zt.uniform1i(i,r);else if("1f"===e)Zt.uniform1f(i,r);else if("2f"===e)Zt.uniform2f(i,r[0],r[1]);else if("3f"===e)Zt.uniform3f(i,r[0],r[1],r[2]);else if("4f"===e)Zt.uniform4f(i,r[0],r[1],r[2],r[3]);else if("1iv"===e)Zt.uniform1iv(i,r);else if("3iv"===e)Zt.uniform3iv(i,r);else if("1fv"===e)Zt.uniform1fv(i,r);else if("2fv"===e)Zt.uniform2fv(i,r);else if("3fv"===e)Zt.uniform3fv(i,r);else if("4fv"===e)Zt.uniform4fv(i,r);else if("Matrix2fv"===e)Zt.uniformMatrix2fv(i,!1,r);else if("Matrix3fv"===e)Zt.uniformMatrix3fv(i,!1,r);else if("Matrix4fv"===e)Zt.uniformMatrix4fv(i,!1,r);else if("i"===e)Zt.uniform1i(i,r);else if("f"===e)Zt.uniform1f(i,r);else if("v2"===e)Zt.uniform2f(i,r.x,r.y);else if("v3"===e)Zt.uniform3f(i,r.x,r.y,r.z);else 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0===t.__webglInit&&(t.__webglInit=!0,e.addEventListener("dispose",h),t.__webglTexture=Zt.createTexture(),Yt.textures++),$t.activeTexture(Zt.TEXTURE0+i),$t.bindTexture(Zt.TEXTURE_2D,t.__webglTexture),Zt.pixelStorei(Zt.UNPACK_FLIP_Y_WEBGL,e.flipY),Zt.pixelStorei(Zt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,e.premultiplyAlpha),Zt.pixelStorei(Zt.UNPACK_ALIGNMENT,e.unpackAlignment);var r=Z(e.image,Kt.maxTextureSize);J(e)&&!1===Q(r)&&(r=K(r));var n=Q(r),a=st(e.format),o=st(e.type);Y(Zt.TEXTURE_2D,e,n);var s,u=e.mipmaps;if(e instanceof M.DataTexture)if(0<u.length&&n){for(var l=0,c=u.length;l<c;l++)s=u[l],$t.texImage2D(Zt.TEXTURE_2D,l,a,s.width,s.height,0,a,o,s.data);e.generateMipmaps=!1}else $t.texImage2D(Zt.TEXTURE_2D,0,a,r.width,r.height,0,a,o,r.data);else if(e instanceof M.CompressedTexture)for(var 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t.wrapS!==M.ClampToEdgeWrapping||t.wrapT!==M.ClampToEdgeWrapping||t.minFilter!==M.NearestFilter&&t.minFilter!==M.LinearFilter}function K(t){if(t instanceof HTMLImageElement||t instanceof HTMLCanvasElement){var e=document.createElement("canvas");return e.width=M.Math.nearestPowerOfTwo(t.width),e.height=M.Math.nearestPowerOfTwo(t.height),e.getContext("2d").drawImage(t,0,0,e.width,e.height),e}return t}function $(t,e){var i=te.get(t);if(6===t.image.length)if(0<t.version&&i.__version!==t.version){i.__image__webglTextureCube||(t.addEventListener("dispose",h),i.__image__webglTextureCube=Zt.createTexture(),Yt.textures++),$t.activeTexture(Zt.TEXTURE0+e),$t.bindTexture(Zt.TEXTURE_CUBE_MAP,i.__image__webglTextureCube),Zt.pixelStorei(Zt.UNPACK_FLIP_Y_WEBGL,t.flipY);for(var r=t instanceof M.CompressedTexture,n=t.image[0]instanceof M.DataTexture,a=[],o=0;6>o;o++)a[o]=!wt.autoScaleCubemaps||r||n?n?t.image[o].image:t.image[o]:Z(t.image[o],Kt.maxCubemapSize);var s=Q(a[0]),u=st(t.format),l=st(t.type);Y(Zt.TEXTURE_CUBE_MAP,t,s);for(o=0;6>o;o++)if(r)for(var c,p=a[o].mipmaps,d=0,f=p.length;d<f;d++)c=p[d],t.format!==M.RGBAFormat&&t.format!==M.RGBFormat?-1<$t.getCompressedTextureFormats().indexOf(u)&&$t.compressedTexImage2D(Zt.TEXTURE_CUBE_MAP_POSITIVE_X+o,d,u,c.width,c.height,0,c.data):$t.texImage2D(Zt.TEXTURE_CUBE_MAP_POSITIVE_X+o,d,u,c.width,c.height,0,u,l,c.data);else n?$t.texImage2D(Zt.TEXTURE_CUBE_MAP_POSITIVE_X+o,0,u,a[o].width,a[o].height,0,u,l,a[o].data):$t.texImage2D(Zt.TEXTURE_CUBE_MAP_POSITIVE_X+o,0,u,u,l,a[o]);t.generateMipmaps&&s&&Zt.generateMipmap(Zt.TEXTURE_CUBE_MAP),i.__version=t.version,t.onUpdate&&t.onUpdate(t)}else $t.activeTexture(Zt.TEXTURE0+e),$t.bindTexture(Zt.TEXTURE_CUBE_MAP,i.__image__webglTextureCube)}function tt(t,e){$t.activeTexture(Zt.TEXTURE0+e),$t.bindTexture(Zt.TEXTURE_CUBE_MAP,te.get(t).__webglTexture)}function et(t,e,i,r){var n=st(e.texture.format),a=st(e.texture.type);$t.texImage2D(r,0,n,e.width,e.height,0,n,a,null),Zt.bindFramebuffer(Zt.FRAMEBUFFER,t),Zt.framebufferTexture2D(Zt.FRAMEBUFFER,i,r,te.get(e.texture).__webglTexture,0),Zt.bindFramebuffer(Zt.FRAMEBUFFER,null)}function it(t,e){Zt.bindRenderbuffer(Zt.RENDERBUFFER,t),e.depthBuffer&&!e.stencilBuffer?(Zt.renderbufferStorage(Zt.RENDERBUFFER,Zt.DEPTH_COMPONENT16,e.width,e.height),Zt.framebufferRenderbuffer(Zt.FRAMEBUFFER,Zt.DEPTH_ATTACHMENT,Zt.RENDERBUFFER,t)):e.depthBuffer&&e.stencilBuffer?(Zt.renderbufferStorage(Zt.RENDERBUFFER,Zt.DEPTH_STENCIL,e.width,e.height),Zt.framebufferRenderbuffer(Zt.FRAMEBUFFER,Zt.DEPTH_STENCIL_ATTACHMENT,Zt.RENDERBUFFER,t)):Zt.renderbufferStorage(Zt.RENDERBUFFER,Zt.RGBA4,e.width,e.height),Zt.bindRenderbuffer(Zt.RENDERBUFFER,null)}function rt(t){var e=te.get(t);if(t instanceof M.WebGLRenderTargetCube){e.__webglDepthbuffer=[];for(var i=0;6>i;i++)Zt.bindFramebuffer(Zt.FRAMEBUFFER,e.__webglFramebuffer[i]),e.__webglDepthbuffer[i]=Zt.createRenderbuffer(),it(e.__webglDepthbuffer[i],t)}else Zt.bindFramebuffer(Zt.FRAMEBUFFER,e.__webglFramebuffer),e.__webglDepthbuffer=Zt.createRenderbuffer(),it(e.__webglDepthbuffer,t);Zt.bindFramebuffer(Zt.FRAMEBUFFER,null)}function nt(t){var e=te.get(t),i=te.get(t.texture);t.addEventListener("dispose",u),i.__webglTexture=Zt.createTexture(),Yt.textures++;var r=t instanceof M.WebGLRenderTargetCube,n=M.Math.isPowerOfTwo(t.width)&&M.Math.isPowerOfTwo(t.height);if(r){e.__webglFramebuffer=[];for(a=0;6>a;a++)e.__webglFramebuffer[a]=Zt.createFramebuffer()}else e.__webglFramebuffer=Zt.createFramebuffer();if(r){$t.bindTexture(Zt.TEXTURE_CUBE_MAP,i.__webglTexture),Y(Zt.TEXTURE_CUBE_MAP,t.texture,n);for(var a=0;6>a;a++)et(e.__webglFramebuffer[a],t,Zt.COLOR_ATTACHMENT0,Zt.TEXTURE_CUBE_MAP_POSITIVE_X+a);t.texture.generateMipmaps&&n&&Zt.generateMipmap(Zt.TEXTURE_CUBE_MAP),$t.bindTexture(Zt.TEXTURE_CUBE_MAP,null)}else $t.bindTexture(Zt.TEXTURE_2D,i.__webglTexture),Y(Zt.TEXTURE_2D,t.texture,n),et(e.__webglFramebuffer,t,Zt.COLOR_ATTACHMENT0,Zt.TEXTURE_2D),t.texture.generateMipmaps&&n&&Zt.generateMipmap(Zt.TEXTURE_2D),$t.bindTexture(Zt.TEXTURE_2D,null);t.depthBuffer&&rt(t)}function at(t){var e=t instanceof M.WebGLRenderTargetCube?Zt.TEXTURE_CUBE_MAP:Zt.TEXTURE_2D,i=te.get(t.texture).__webglTexture;$t.bindTexture(e,i),Zt.generateMipmap(e),$t.bindTexture(e,null)}function ot(t){return t===M.NearestFilter||t===M.NearestMipMapNearestFilter||t===M.NearestMipMapLinearFilter?Zt.NEAREST:Zt.LINEAR}function st(t){var e;if(t===M.RepeatWrapping)return Zt.REPEAT;if(t===M.ClampToEdgeWrapping)return Zt.CLAMP_TO_EDGE;if(t===M.MirroredRepeatWrapping)return Zt.MIRRORED_REPEAT;if(t===M.NearestFilter)return 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Zt.RGBA;if(t===M.LuminanceFormat)return Zt.LUMINANCE;if(t===M.LuminanceAlphaFormat)return Zt.LUMINANCE_ALPHA;if(t===M.AddEquation)return Zt.FUNC_ADD;if(t===M.SubtractEquation)return Zt.FUNC_SUBTRACT;if(t===M.ReverseSubtractEquation)return Zt.FUNC_REVERSE_SUBTRACT;if(t===M.ZeroFactor)return Zt.ZERO;if(t===M.OneFactor)return Zt.ONE;if(t===M.SrcColorFactor)return Zt.SRC_COLOR;if(t===M.OneMinusSrcColorFactor)return Zt.ONE_MINUS_SRC_COLOR;if(t===M.SrcAlphaFactor)return Zt.SRC_ALPHA;if(t===M.OneMinusSrcAlphaFactor)return Zt.ONE_MINUS_SRC_ALPHA;if(t===M.DstAlphaFactor)return Zt.DST_ALPHA;if(t===M.OneMinusDstAlphaFactor)return Zt.ONE_MINUS_DST_ALPHA;if(t===M.DstColorFactor)return Zt.DST_COLOR;if(t===M.OneMinusDstColorFactor)return Zt.ONE_MINUS_DST_COLOR;if(t===M.SrcAlphaSaturateFactor)return Zt.SRC_ALPHA_SATURATE;if(null!==(e=Jt.get("WEBGL_compressed_texture_s3tc"))){if(t===M.RGB_S3TC_DXT1_Format)return e.COMPRESSED_RGB_S3TC_DXT1_EXT;if(t===M.RGBA_S3TC_DXT1_Format)return 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M.Vector3,Ht={hash:"",ambient:[0,0,0],directional:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadowMap:[],spotShadowMatrix:[],point:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],shadows:[],shadowsPointLight:0},Yt={geometries:0,textures:0},qt={calls:0,vertices:0,faces:0,points:0};this.info={render:qt,memory:Yt,programs:null};var Zt;try{var Qt={alpha:lt,depth:ct,stencil:pt,antialias:dt,premultipliedAlpha:ft,preserveDrawingBuffer:mt};if(null===(Zt=ut||ht.getContext("webgl",Qt)||ht.getContext("experimental-webgl",Qt)))throw null!==ht.getContext("webgl")?"Error creating WebGL context with your selected attributes.":"Error creating WebGL context.";void 0===Zt.getShaderPrecisionFormat&&(Zt.getShaderPrecisionFormat=function(){return{rangeMin:1,rangeMax:1,precision:1}}),ht.addEventListener("webglcontextlost",o,!1)}catch(t){}var Jt=new M.WebGLExtensions(Zt);Jt.get("OES_texture_float"),Jt.get("OES_texture_float_linear"),Jt.get("OES_texture_half_float"),Jt.get("OES_texture_half_float_linear"),Jt.get("OES_standard_derivatives"),Jt.get("ANGLE_instanced_arrays"),Jt.get("OES_element_index_uint")&&(M.BufferGeometry.MaxIndex=4294967296);var Kt=new M.WebGLCapabilities(Zt,Jt,t),$t=new M.WebGLState(Zt,Jt,st),te=new M.WebGLProperties,ee=new M.WebGLObjects(Zt,te,this.info),ie=new M.WebGLPrograms(this,Kt),re=new M.WebGLLights;this.info.programs=ie.programs;var ne=new M.WebGLBufferRenderer(Zt,Jt,qt),ae=new M.WebGLIndexedBufferRenderer(Zt,Jt,qt);r(),this.context=Zt,this.capabilities=Kt,this.extensions=Jt,this.properties=te,this.state=$t;var oe=new M.WebGLShadowMap(this,Ht,ee);this.shadowMap=oe;var se=new M.SpritePlugin(this,bt),he=new M.LensFlarePlugin(this,St);this.getContext=function(){return Zt},this.getContextAttributes=function(){return Zt.getContextAttributes()},this.forceContextLoss=function(){Jt.get("WEBGL_lose_context").loseContext()},this.getMaxAnisotropy=function(){var t;return function(){if(void 0!=t)return t;var e=Jt.get("EXT_texture_filter_anisotropic");return t=null===e?0:Zt.getParameter(e.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}}(),this.getPrecision=function(){return Kt.precision},this.getPixelRatio=function(){return Vt},this.setPixelRatio=function(t){void 0===t||(Vt=t,this.setSize(kt.z,kt.w,!1))},this.getSize=function(){return{width:It,height:Ot}},this.setSize=function(t,e,i){It=t,Ot=e,ht.width=t*Vt,ht.height=e*Vt,!1!==i&&(ht.style.width=t+"px",ht.style.height=e+"px"),this.setViewport(0,0,t,e)},this.setViewport=function(t,e,i,r){$t.viewport(kt.set(t,e,i,r))},this.setScissor=function(t,e,i,r){$t.scissor(zt.set(t,e,i,r))},this.setScissorTest=function(t){$t.setScissorTest(Gt=t)},this.getClearColor=function(){return Nt},this.setClearColor=function(t,e){Nt.set(t),Bt=void 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n=e.getAttributes();if(t.hasPositions&&(Zt.bindBuffer(Zt.ARRAY_BUFFER,r.position),Zt.bufferData(Zt.ARRAY_BUFFER,t.positionArray,Zt.DYNAMIC_DRAW),$t.enableAttribute(n.position),Zt.vertexAttribPointer(n.position,3,Zt.FLOAT,!1,0,0)),t.hasNormals){if(Zt.bindBuffer(Zt.ARRAY_BUFFER,r.normal),"MeshPhongMaterial"!==i.type&&"MeshStandardMaterial"!==i.type&&i.shading===M.FlatShading)for(var a=0,o=3*t.count;a<o;a+=9){var s=t.normalArray,h=(s[a+0]+s[a+3]+s[a+6])/3,u=(s[a+1]+s[a+4]+s[a+7])/3,l=(s[a+2]+s[a+5]+s[a+8])/3;s[a+0]=h,s[a+1]=u,s[a+2]=l,s[a+3]=h,s[a+4]=u,s[a+5]=l,s[a+6]=h,s[a+7]=u,s[a+8]=l}Zt.bufferData(Zt.ARRAY_BUFFER,t.normalArray,Zt.DYNAMIC_DRAW),$t.enableAttribute(n.normal),Zt.vertexAttribPointer(n.normal,3,Zt.FLOAT,!1,0,0)}t.hasUvs&&i.map&&(Zt.bindBuffer(Zt.ARRAY_BUFFER,r.uv),Zt.bufferData(Zt.ARRAY_BUFFER,t.uvArray,Zt.DYNAMIC_DRAW),$t.enableAttribute(n.uv),Zt.vertexAttribPointer(n.uv,2,Zt.FLOAT,!1,0,0)),t.hasColors&&i.vertexColors!==M.NoColors&&(Zt.bindBuffer(Zt.ARRAY_BUFFER,r.color),Zt.bufferData(Zt.ARRAY_BUFFER,t.colorArray,Zt.DYNAMIC_DRAW),$t.enableAttribute(n.color),Zt.vertexAttribPointer(n.color,3,Zt.FLOAT,!1,0,0)),$t.disableUnusedAttributes(),Zt.drawArrays(Zt.TRIANGLES,0,t.count),t.count=0},this.renderBufferDirect=function(t,i,r,n,a,o){R(n);var s=U(t,i,n,a),h=!1,u=r.id+"_"+s.id+"_"+n.wireframe;u!=Rt&&(Rt=u,h=!0);var l=a.morphTargetInfluences;if(void 0!==l){for(var c=[],p=0,d=l.length;p<d;p++)f=l[p],c.push([f,p]);c.sort(b),8<c.length&&(c.length=8);for(var f,m=r.morphAttributes,p=0,d=c.length;p<d;p++)if(f=c[p],_t[p]=f[0],0!==f[0]){x=f[1];!0===n.morphTargets&&m.position&&r.addAttribute("morphTarget"+p,m.position[x]),!0===n.morphNormals&&m.normal&&r.addAttribute("morphNormal"+p,m.normal[x])}else!0===n.morphTargets&&r.removeAttribute("morphTarget"+p),!0===n.morphNormals&&r.removeAttribute("morphNormal"+p);var y=s.getUniforms();null!==y.morphTargetInfluences&&Zt.uniform1fv(y.morphTargetInfluences,_t),h=!0}var x=r.index,S=r.attributes.position;!0===n.wireframe&&(x=ee.getWireframeAttribute(r));var w;null===x?w=ne:(w=ae).setIndex(x),h&&(_(n,s,r),null!==x&&Zt.bindBuffer(Zt.ELEMENT_ARRAY_BUFFER,ee.getAttributeBuffer(x)));var E=1/0;null===x?void 0!==S&&(E=S.count):E=x.count;var T=r.drawRange.start,A=r.drawRange.count,L=null===o?0:o.start,C=null===o?1/0:o.count,F=v(0,T,L),P=g(0+E,T+A,L+C)-1,D=v(0,P-F+1);if(a instanceof 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n=t.fog;if(Rt="",Lt=-1,Ct=null,!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),e.matrixWorldInverse.getInverse(e.matrixWorld),jt.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),Wt.setFromMatrix(jt),vt.length=0,yt=-1,Mt=-1,bt.length=0,St.length=0,T(t,e),gt.length=yt+1,xt.length=Mt+1,!0===wt.sortObjects&&(gt.sort(S),xt.sort(w)),H(vt,e),oe.render(t,e),qt.calls=0,qt.vertices=0,qt.faces=0,qt.points=0,void 0===i&&(i=null),this.setRenderTarget(i),(this.autoClear||r)&&this.clear(this.autoClearColor,this.autoClearDepth,this.autoClearStencil),t.overrideMaterial){var a=t.overrideMaterial;A(gt,e,n,a),A(xt,e,n,a)}else $t.setBlending(M.NoBlending),A(gt,e,n),A(xt,e,n);if(se.render(t,e),he.render(t,e,Pt),i){var o=i.texture;o.generateMipmaps&&Q(i)&&o.minFilter!==M.NearestFilter&&o.minFilter!==M.LinearFilter&&at(i)}$t.setDepthTest(!0),$t.setDepthWrite(!0),$t.setColorWrite(!0)}},this.setFaceCulling=function(t,e){t===M.CullFaceNone?$t.disable(Zt.CULL_FACE):(e===M.FrontFaceDirectionCW?Zt.frontFace(Zt.CW):Zt.frontFace(Zt.CCW),t===M.CullFaceBack?Zt.cullFace(Zt.BACK):t===M.CullFaceFront?Zt.cullFace(Zt.FRONT):Zt.cullFace(Zt.FRONT_AND_BACK),$t.enable(Zt.CULL_FACE))},this.setTexture=function(t,e){var i=te.get(t);if(0<t.version&&i.__version!==t.version){var r=t.image;return void 0===r||!1===r.complete?void 0:void q(i,t,e)}$t.activeTexture(Zt.TEXTURE0+e),$t.bindTexture(Zt.TEXTURE_2D,i.__webglTexture)},this.getCurrentRenderTarget=function(){return Tt},this.setRenderTarget=function(t){Tt=t,t&&void 0===te.get(t).__webglFramebuffer&&nt(t);var e,i=t instanceof M.WebGLRenderTargetCube;if(t){var r=te.get(t);e=i?r.__webglFramebuffer[t.activeCubeFace]:r.__webglFramebuffer,Ut.copy(t.scissor),Ft=t.scissorTest,Pt.copy(t.viewport)}else e=null,Ut.copy(zt).multiplyScalar(Vt),Ft=Gt,Pt.copy(kt).multiplyScalar(Vt);if(At!==e&&(Zt.bindFramebuffer(Zt.FRAMEBUFFER,e),At=e),$t.scissor(Ut),$t.setScissorTest(Ft),$t.viewport(Pt),i){var n=te.get(t.texture);Zt.framebufferTexture2D(Zt.FRAMEBUFFER,Zt.COLOR_ATTACHMENT0,Zt.TEXTURE_CUBE_MAP_POSITIVE_X+t.activeCubeFace,n.__webglTexture,t.activeMipMapLevel)}},this.readRenderTargetPixels=function(t,e,i,r,n,a){if(0!=t instanceof M.WebGLRenderTarget){var o=te.get(t).__webglFramebuffer;if(o){var s=!1;o!==At&&(Zt.bindFramebuffer(Zt.FRAMEBUFFER,o),s=!0);try{var h=t.texture;if(h.format!==M.RGBAFormat&&st(h.format)!==Zt.getParameter(Zt.IMPLEMENTATION_COLOR_READ_FORMAT))return;if(!(h.type===M.UnsignedByteType||st(h.type)===Zt.getParameter(Zt.IMPLEMENTATION_COLOR_READ_TYPE)||h.type===M.FloatType&&Jt.get("WEBGL_color_buffer_float")||h.type===M.HalfFloatType&&Jt.get("EXT_color_buffer_half_float")))return;Zt.checkFramebufferStatus(Zt.FRAMEBUFFER)===Zt.FRAMEBUFFER_COMPLETE&&Zt.readPixels(e,i,r,n,st(h.format),st(h.type),a)}finally{s&&Zt.bindFramebuffer(Zt.FRAMEBUFFER,At)}}}}},M.WebGLExtensions=function(t){var e={};this.get=function(i){if(void 0!==e[i])return e[i];var r;return r="EXT_texture_filter_anisotropic"===i?t.getExtension("EXT_texture_filter_anisotropic")||t.getExtension("MOZ_EXT_texture_filter_anisotropic")||t.getExtension("WEBKIT_EXT_texture_filter_anisotropic"):"WEBGL_compressed_texture_s3tc"===i?t.getExtension("WEBGL_compressed_texture_s3tc")||t.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc"):"WEBGL_compressed_texture_pvrtc"===i?t.getExtension("WEBGL_compressed_texture_pvrtc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc"):"WEBGL_compressed_texture_etc1"===i?t.getExtension("WEBGL_compressed_texture_etc1"):t.getExtension(i),e[i]=r,r}},M.WebGLCapabilities=function(t,e,i){function r(e){if("highp"===e){if(0<t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision&&0<t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision)return"highp";e="mediump"}return"mediump"===e&&0<t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision&&0<t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision?"mediump":"lowp"}this.getMaxPrecision=r,this.precision=void 0===i.precision?"highp":i.precision,this.logarithmicDepthBuffer=void 0!==i.logarithmicDepthBuffer&&i.logarithmicDepthBuffer,this.maxTextures=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),this.maxVertexTextures=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),this.maxTextureSize=t.getParameter(t.MAX_TEXTURE_SIZE),this.maxCubemapSize=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),this.maxAttributes=t.getParameter(t.MAX_VERTEX_ATTRIBS),this.maxVertexUniforms=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),this.maxVaryings=t.getParameter(t.MAX_VARYING_VECTORS),this.maxFragmentUniforms=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),this.vertexTextures=0<this.maxVertexTextures,this.floatFragmentTextures=!!e.get("OES_texture_float"),this.floatVertexTextures=this.vertexTextures&&this.floatFragmentTextures;var n=r(this.precision);n!==this.precision&&(this.precision=n),this.logarithmicDepthBuffer&&(this.logarithmicDepthBuffer=!!e.get("EXT_frag_depth"))},M.WebGLProperties=function(){var t={};this.get=function(e){var i=e.uuid,r=t[i];return void 0===r&&(r={},t[i]=r),r},this.delete=function(e){delete t[e.uuid]},this.clear=function(){t={}}},M.WebGLLights=function(){var t={};this.get=function(e){if(void 0!==t[e.id])return t[e.id];var i;switch(e.type){case"DirectionalLight":i={direction:new M.Vector3,color:new M.Color,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new M.Vector2};break;case"SpotLight":i={position:new M.Vector3,direction:new M.Vector3,color:new M.Color,distance:0,coneCos:0,penumbraCos:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new M.Vector2};break;case"PointLight":i={position:new M.Vector3,color:new M.Color,distance:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new M.Vector2};break;case"HemisphereLight":i={direction:new M.Vector3,skyColor:new M.Color,groundColor:new M.Color}}return t[e.id]=i,i}},M.WebGLState=function(t,e,i){var r,n=this,a=new M.Vector4,o=new Uint8Array(16),s=new Uint8Array(16),h=new 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T=0;r.fog&&E.fog&&(T=y),g!=T&&(c.uniform1i(u.fogType,T),g=T),null===E.map?(c.uniform2f(u.uvOffset,0,0),c.uniform2f(u.uvScale,1,1)):(c.uniform2f(u.uvOffset,E.map.offset.x,E.map.offset.y),c.uniform2f(u.uvScale,E.map.repeat.x,E.map.repeat.y)),c.uniform1f(u.opacity,E.opacity),c.uniform3f(u.color,E.color.r,E.color.g,E.color.b),c.uniform1f(u.rotation,E.rotation),c.uniform2fv(u.scale,w),p.setBlending(E.blending,E.blendEquation,E.blendSrc,E.blendDst),p.setDepthTest(E.depthTest),p.setDepthWrite(E.depthWrite),E.map&&E.map.image&&E.map.image.width?t.setTexture(E.map,0):t.setTexture(l,0),c.drawElements(c.TRIANGLES,6,c.UNSIGNED_SHORT,0)}p.enable(c.CULL_FACE),t.resetGLState()}}},M.LensFlarePlugin=function(t,e){function i(){var t=new Float32Array([-1,-1,0,0,1,-1,1,0,1,1,1,1,-1,1,0,1]),e=new 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TONE_MAPPING",m.toneMapping===M.NoToneMapping?"":M.ShaderChunk.tonemapping_pars_fragment,m.toneMapping===M.NoToneMapping?"":r("toneMapping",m.toneMapping),m.outputEncoding||m.mapEncoding||m.envMapEncoding||m.emissiveMapEncoding?M.ShaderChunk.encodings_pars_fragment:"",m.mapEncoding?e("mapTexelToLinear",m.mapEncoding):"",m.envMapEncoding?e("envMapTexelToLinear",m.envMapEncoding):"",m.emissiveMapEncoding?e("emissiveMapTexelToLinear",m.emissiveMapEncoding):"",m.outputEncoding?i("linearToOutputTexel",m.outputEncoding):"","\n"].filter(h).join("\n")),x=u(x=l(x,m),m),_=u(_=l(_,m),m),0==f instanceof M.ShaderMaterial&&(x=c(x),_=c(_));var F=T+x,P=A+_,D=M.WebGLShader(v,v.VERTEX_SHADER,F),N=M.WebGLShader(v,v.FRAGMENT_SHADER,P);v.attachShader(U,D),v.attachShader(U,N),void 0===f.index0AttributeName?!0===m.morphTargets&&v.bindAttribLocation(U,0,"position"):v.bindAttribLocation(U,0,f.index0AttributeName),v.linkProgram(U);var B=v.getProgramInfoLog(U),I=v.getShaderInfoLog(D),O=v.getShaderInfoLog(N),V=!0,z=!0;!1===v.getProgramParameter(U,v.LINK_STATUS)?V=!1:""!==B||(""===I||""===O)&&(z=!1),z&&(this.diagnostics={runnable:V,material:f,programLog:B,vertexShader:{log:I,prefix:T},fragmentShader:{log:O,prefix:A}}),v.deleteShader(D),v.deleteShader(N);var G;this.getUniforms=function(){return void 0==G&&(G=o(v,U)),G};var k;return this.getAttributes=function(){return void 0==k&&(k=s(v,U)),k},this.destroy=function(){v.deleteProgram(U),this.program=void 0},Object.defineProperties(this,{uniforms:{get:function(){return this.getUniforms()}},attributes:{get:function(){return this.getAttributes()}}}),this.id=p++,this.code=d,this.usedTimes=1,this.program=U,this.vertexShader=D,this.fragmentShader=N,this}}(),M.WebGLRenderTarget=function(t,e,i){this.uuid=M.Math.generateUUID(),this.width=t,this.height=e,this.scissor=new M.Vector4(0,0,t,e),this.scissorTest=!1,this.viewport=new M.Vector4(0,0,t,e),void 0===(i=i||{}).minFilter&&(i.minFilter=M.LinearFilter),this.texture=new M.Texture(void 0,void 0,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy),this.depthBuffer=!(void 0!==i.depthBuffer)||i.depthBuffer,this.stencilBuffer=!(void 0!==i.stencilBuffer)||i.stencilBuffer},M.WebGLRenderTarget.prototype={constructor:M.WebGLRenderTarget,setSize:function(t,e){(this.width!==t||this.height!==e)&&(this.width=t,this.height=e,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.width=t.width,this.height=t.height,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this},dispose:function(){this.dispatchEvent({type:"dispose"})}},M.EventDispatcher.prototype.apply(M.WebGLRenderTarget.prototype),M.WebGLRenderTargetCube=function(t,e,i){M.WebGLRenderTarget.call(this,t,e,i),this.activeCubeFace=0,this.activeMipMapLevel=0},M.WebGLRenderTargetCube.prototype=Object.create(M.WebGLRenderTarget.prototype),M.WebGLRenderTargetCube.prototype.constructor=M.WebGLRenderTargetCube,M.WebGLPrograms=function(t,e){function i(t){if(e.floatVertexTextures&&t&&t.skeleton&&t.skeleton.useVertexTexture)return 1024;var i=e.maxVertexUniforms,r=m((i-20)/4);return void 0!==t&&t instanceof M.SkinnedMesh&&(r=g(t.skeleton.bones.length,r),t.skeleton.bones.length),r}function r(t,e){var i;return t?t instanceof M.Texture?i=t.encoding:t instanceof M.WebGLRenderTarget&&(i=t.texture.encoding):i=M.LinearEncoding,i===M.LinearEncoding&&e&&(i=M.GammaEncoding),i}var n=[],a={MeshDepthMaterial:"depth",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshStandardMaterial:"standard",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points"},o=["precision","supportsVertexTextures","map","mapEncoding","envMap","envMapMode","envMapEncoding","lightMap","aoMap","emissiveMap","emissiveMapEncoding","bumpMap","normalMap","displacementMap","specularMap","roughnessMap","metalnessMap","alphaMap","combine","vertexColors","fog","useFog","fogExp","flatShading","sizeAttenuation","logarithmicDepthBuffer","skinning","maxBones","useVertexTexture","morphTargets","morphNormals","maxMorphTargets","maxMorphNormals","premultipliedAlpha","numDirLights","numPointLights","numSpotLights","numHemiLights","shadowMapEnabled","pointLightShadows","toneMapping","physicallyCorrectLights","shadowMapType","alphaTest","doubleSided","flipSided"];this.getParameters=function(n,o,s,h){var u=a[n.type],l=i(h),c=t.getPrecision();return null!==n.precision&&(c=e.getMaxPrecision(n.precision),n.precision),{shaderID:u,precision:c,supportsVertexTextures:e.vertexTextures,outputEncoding:r(t.getCurrentRenderTarget(),t.gammaOutput),map:!!n.map,mapEncoding:r(n.map,t.gammaInput),envMap:!!n.envMap,envMapMode:n.envMap&&n.envMap.mapping,envMapEncoding:r(n.envMap,t.gammaInput),envMapCubeUV:!!n.envMap&&(n.envMap.mapping===M.CubeUVReflectionMapping||n.envMap.mapping===M.CubeUVRefractionMapping),lightMap:!!n.lightMap,aoMap:!!n.aoMap,emissiveMap:!!n.emissiveMap,emissiveMapEncoding:r(n.emissiveMap,t.gammaInput),bumpMap:!!n.bumpMap,normalMap:!!n.normalMap,displacementMap:!!n.displacementMap,roughnessMap:!!n.roughnessMap,metalnessMap:!!n.metalnessMap,specularMap:!!n.specularMap,alphaMap:!!n.alphaMap,combine:n.combine,vertexColors:n.vertexColors,fog:s,useFog:n.fog,fogExp:s instanceof M.FogExp2,flatShading:n.shading===M.FlatShading,sizeAttenuation:n.sizeAttenuation,logarithmicDepthBuffer:e.logarithmicDepthBuffer,skinning:n.skinning,maxBones:l,useVertexTexture:e.floatVertexTextures&&h&&h.skeleton&&h.skeleton.useVertexTexture,morphTargets:n.morphTargets,morphNormals:n.morphNormals,maxMorphTargets:t.maxMorphTargets,maxMorphNormals:t.maxMorphNormals,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numHemiLights:o.hemi.length,pointLightShadows:o.shadowsPointLight,shadowMapEnabled:t.shadowMap.enabled&&h.receiveShadow&&0<o.shadows.length,shadowMapType:t.shadowMap.type,toneMapping:t.toneMapping,physicallyCorrectLights:t.physicallyCorrectLights,premultipliedAlpha:n.premultipliedAlpha,alphaTest:n.alphaTest,doubleSided:n.side===M.DoubleSide,flipSided:n.side===M.BackSide}},this.getProgramCode=function(t,e){var i=[];if(e.shaderID?i.push(e.shaderID):(i.push(t.fragmentShader),i.push(t.vertexShader)),void 0!==t.defines)for(var r in t.defines)i.push(r),i.push(t.defines[r]);for(var n,a=0;a<o.length;a++)n=o[a],i.push(n),i.push(e[n]);return i.join()},this.acquireProgram=function(e,i,r){for(var a,o,s=0,h=n.length;s<h;s++)if((o=n[s]).code===r){++(a=o).usedTimes;break}return void 0===a&&(a=new M.WebGLProgram(t,r,e,i),n.push(a)),a},this.releaseProgram=function(t){if(0==--t.usedTimes){var e=n.indexOf(t);n[e]=n[n.length-1],n.pop(),t.destroy()}},this.programs=n}})),r=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},n=function(){function t(t,e){for(var i=0;i<e.length;i++){var r=e[i];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(t,r.key,r)}}return function(e,i,r){return i&&t(e.prototype,i),r&&t(e,r),e}}(),a=function t(e,i,r){null===e&&(e=Function.prototype);var n=Object.getOwnPropertyDescriptor(e,i);if(void 0===n){var a=Object.getPrototypeOf(e);return null===a?void 0:t(a,i,r)}if("value"in n)return n.value;var o=n.get;if(void 0!==o)return o.call(r)},o=function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)},s=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e},h=function(){function t(e){r(this,t),Object.assign(this,e),this.renderer=new i.WebGLRenderer,this.renderer.setClearColor(0,0),this.renderer.setSize(this.width,this.height),this.renderer.setPixelRatio(window.devicePixelRatio),this.el=this.renderer.domElement}return n(t,[{key:"setTexture",value:function(t){this.texture=t,this.mesh=this.createMesh()}},{key:"setSize",value:function(t){var e=t.height,i=t.width;this.height=e,this.width=i,this.renderer.setSize(i,e)}},{key:"createMesh",value:function(){return this.material=new i.MeshBasicMaterial({map:this.texture}),this.geometry=new i.SphereGeometry(1,50,50),this.geometry.scale(-1,1,1),new i.Mesh(this.geometry,this.material)}},{key:"destroy",value:function(){this.geometry.dispose(),this.material.dispose(),this.renderer.dispose()}},{key:"render",value:function(t,e,i){i&&this.renderer.render(t,e)}}]),t}(),u=function(t){var e=1.70158;return--t*t*((e+1)*t+e)+1},l=function(){function t(n){var o=this;r(this,t),Object.assign(this,n),this.el=this.renderer.el,this.theta=this.initialYaw*a/180,this.phi=0,this.velo=e.isiOS()?.02:1.6,this.rotateStart=new i.Vector2,this.rotateEnd=new i.Vector2,this.rotateDelta=new i.Vector2,this.orientation=new i.Quaternion,this.euler=new i.Euler,this.momentum=!1,this.isUserInteracting=!1,this.addDraggableStyle(),this.onMouseMove=this.onMouseMove.bind(this),this.onMouseDown=this.onMouseDown.bind(this),this.onMouseUp=this.onMouseUp.bind(this),this.onTouchStart=function(t){return o.onMouseDown({clientX:t.touches[0].pageX,clientY:t.touches[0].pageY})},this.onTouchMove=function(t){return o.onMouseMove({clientX:t.touches[0].pageX,clientY:t.touches[0].pageY})},this.onTouchEnd=function(){return o.onMouseUp()},this.onDeviceMotion=this.onDeviceMotion.bind(this),this.onMessage=this.onMessage.bind(this),this.bindEvents()}var a=Math.PI;return n(t,[{key:"bindEvents",value:function(){this.el.addEventListener("mouseleave",this.onMouseUp),this.el.addEventListener("mousemove",this.onMouseMove),this.el.addEventListener("mousedown",this.onMouseDown),this.el.addEventListener("mouseup",this.onMouseUp),this.el.addEventListener("touchstart",this.onTouchStart),this.el.addEventListener("touchmove",this.onTouchMove),this.el.addEventListener("touchend",this.onTouchEnd),this.isInIframe()||window.addEventListener("devicemotion",this.onDeviceMotion),window.addEventListener("message",this.onMessage)}},{key:"centralize",value:function(){var t=this,e=this.initialYaw*a/180,i=this.theta,r=this.phi,n=Date.now(),o=function(){var a=Date.now()-n,h=a/750;return h=1<h?1:h,a>=750?cancelAnimationFrame(s):(t.theta=i+(e-i)*u(h),t.phi=r+(0-r)*u(h),requestAnimationFrame(o))},s=o()}},{key:"isInIframe",value:function(){try{return window.self!==window.top}catch(t){return!0}}},{key:"destroy",value:function(){this.el.removeEventListener("mouseleave",this.onMouseUp),this.el.removeEventListener("mousemove",this.onMouseMove),this.el.removeEventListener("mousedown",this.onMouseDown),this.el.removeEventListener("mouseup",this.onMouseUp),this.el.removeEventListener("touchstart",this.onTouchStart),this.el.removeEventListener("touchmove",this.onTouchMove),this.el.removeEventListener("touchend",this.onTouchEnd),window.removeEventListener("devicemotion",this.onDeviceMotion),window.removeEventListener("message",this.onMessage)}},{key:"getCurrentStyle",value:function(){return"height: "+parseInt(this.el.style.height,10)+"px; width: "+parseInt(this.el.style.width,10)+"px; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: rgba(0,0,0,0);"}},{key:"addDraggingStyle",value:function(){this.el.setAttribute("style",this.getCurrentStyle()+" cursor: -webkit-grabbing; cursor: -moz-grabbing; cursor: grabbing;")}},{key:"addDraggableStyle",value:function(){this.el.setAttribute("style",this.getCurrentStyle()+" cursor: -webkit-grab; cursor: -moz-grab; cursor: grab;")}},{key:"onMessage",value:function(t){var e=t.data,i=e.orientation,r=e.portrait,n=e.rotationRate;n&&this.onDeviceMotion({orientation:i,portrait:r,rotationRate:n})}},{key:"onDeviceMotion",value:function(t){var e,r=void 0===t.portrait?window.matchMedia("(orientation: portrait)").matches:t.portrait;e=void 0===t.orientation?void 0===window.orientation?-90:window.orientation:t.orientation;var n=i.Math.degToRad(t.rotationRate.alpha),a=i.Math.degToRad(t.rotationRate.beta);r?(this.phi=this.verticalPanning?this.phi+n*this.velo:this.phi,this.theta-=a*this.velo*-1):(this.verticalPanning&&(this.phi=-90===e?this.phi+a*this.velo:this.phi-a*this.velo),this.theta=-90===e?this.theta-n*this.velo:this.theta+n*this.velo),this.adjustPhi()}},{key:"onMouseMove",value:function(t){this.isUserInteracting&&(this.rotateEnd.set(t.clientX,t.clientY),this.rotateDelta.subVectors(this.rotateEnd,this.rotateStart),this.rotateStart.copy(this.rotateEnd),this.phi=this.verticalPanning?this.phi+2*a*this.rotateDelta.y/this.renderer.height*.3:this.phi,this.theta+=2*a*this.rotateDelta.x/this.renderer.width*.5,this.adjustPhi())}},{key:"adjustPhi",value:function(){this.phi=i.Math.clamp(this.phi,-a/1.95,a/1.95)}},{key:"onMouseDown",value:function(t){this.addDraggingStyle(),this.rotateStart.set(t.clientX,t.clientY),this.isUserInteracting=!0,this.momentum=!1,this.onDragStart&&this.onDragStart()}},{key:"inertia",value:function(){this.momentum&&(this.rotateDelta.y*=.9,this.rotateDelta.x*=.9,this.theta+=.005*this.rotateDelta.x,this.phi=this.verticalPanning?this.phi+.005*this.rotateDelta.y:this.phi,this.adjustPhi())}},{key:"onMouseUp",value:function(){this.isUserInteracting&&this.onDragStop&&this.onDragStop(),this.addDraggableStyle(),this.isUserInteracting=!1,this.momentum=!0,this.inertia()}},{key:"update",value:function(){return(this.phi!==this.previousPhi||this.theta!==this.previousTheta)&&(this.previousPhi=this.phi,this.previousTheta=this.theta,this.euler.set(this.phi,this.theta,0,"YXZ"),this.orientation.setFromEuler(this.euler),this.camera.quaternion.copy(this.orientation),this.inertia(),!0)}}]),t}(),c=function(){function t(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};r(this,t),Object.assign(this,{height:360,width:640,initialYaw:90,verticalPanning:!0},e);var n=this.height,a=this.width,o=(this.container,this.containerId,this.initialYaw),s=this.verticalPanning,u=this.onDragStart,c=this.onDragStop;this.renderer=new h({height:n,width:a}),this.camera=new i.PerspectiveCamera(80,this.width/this.height,.1,100),this.controls=new l({camera:this.camera,renderer:this.renderer,initialYaw:o,verticalPanning:s,onDragStart:u,onDragStop:c}),this.stopVideoLoop=this.stopVideoLoop.bind(this),this.onError=this.onError.bind(this),this.startVideoLoop=this.startVideoLoop.bind(this),this.needsUpdate=!1,this.scene=this.createScene(),this.scene.add(this.camera),this.element=this.getElement(),this.element.addEventListener("playing",this.startVideoLoop),this.element.addEventListener("pause",this.stopVideoLoop),this.element.addEventListener("ended",this.stopVideoLoop),this.texture=this.createTexture(),this.renderer.setTexture(this.texture),this.scene.getObjectByName("photo").children=[this.renderer.mesh],this.target=this.container?this.container:document.querySelector(this.containerId)}return n(t,[{key:"play",value:function(){this.element.play&&this.element.play()}},{key:"pause",value:function(){this.element.pause&&this.element.pause()}},{key:"centralize",value:function(){this.controls.centralize()}},{key:"stopVideoLoop",value:function(){clearTimeout(this.videoLoopId),this.videoLoopId=null,this.needsUpdate=!1}},{key:"destroy",value:function(){this.element.style.display="",clearTimeout(this.videoLoopId),cancelAnimationFrame(this.animationFrameId),this.element.pause&&this.element.pause(),this.target.removeChild(this.renderer.el),this.controls.destroy(),this.renderer.destroy()}},{key:"setSize",value:function(t){var e=t.height,i=t.width;this.camera.aspect=i/e,this.camera.updateProjectionMatrix(),this.renderer.setSize({height:e,width:i})}},{key:"getElement",value:function(){if(this.source&&this.source.tagName)return this.source;var t=document.createElement("video");return t.loop=this.loop||!1,t.muted=this.muted||!1,t.setAttribute("crossorigin","anonymous"),t.setAttribute("webkit-playsinline","true"),t.setAttribute("playsinline","true"),t.setAttribute("src",this.source),t.autoplay=void 0===this.autoplay||this.autoplay,t.addEventListener("error",this.onError),t}},{key:"createTexture",value:function(){var t=new i.Texture(this.element);return t.minFilter=i.LinearFilter,t.magFilter=i.LinearFilter,t.format=i.RGBFormat,t.generateMipmaps=!1,t.needsUpdate=!0,t}},{key:"createScene",value:function(){var t=new i.Scene,e=new i.Object3D;return e.name="photo",t.add(e),t}},{key:"onError",value:function(){}},{key:"startVideoLoop",value:function(){var t=this;this.videoLoopId&&(clearTimeout(this.videoLoopId),this.videoLoopId=null);var e=function(){t.needsUpdate=!0,t.videoLoopId=setTimeout(e,40)};e()}},{key:"render",value:function(){var t=this;this.target.appendChild(this.renderer.el),this.element.style.display="none";var e=function(){t.animationFrameId=requestAnimationFrame(e);var i=t.controls.update();t.renderer.render(t.scene,t.camera,t.needsUpdate||i),t.needsUpdate=!1};this.startVideoLoop(),e()}}]),t}(),p=function(t){function e(t){return r(this,e),s(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t))}return o(e,c),n(e,[{key:"createTexture",value:function(){var t=new i.VideoTexture(this.element);return t.minFilter=i.LinearFilter,t.magFilter=i.LinearFilter,t.format=i.RGBFormat,t.generateMipmaps=!1,t.needsUpdate=!0,t}}]),e}(),d=function(t){function e(t){return r(this,e),s(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t))}return o(e,c),n(e,[{key:"getElement",value:function(){if(this.source&&this.source.tagName)return this.source;var t=document.createElement("img");return t.setAttribute("crossorigin","anonymous"),t.src=this.source,t}}]),e}(),f=function(t){function e(t){r(this,e);var i=s(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t));return i.context=i.element.getContext("2d"),i}return o(e,c),n(e,[{key:"play",value:function(){this.video.play&&this.video.play()}},{key:"pause",value:function(){this.video.pause&&this.video.pause()}},{key:"destroy",value:function(){this.video.style.display="",a(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}},{key:"getElement",value:function(){this.video=a(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"getElement",this).call(this),this.video.addEventListener("playing",this.startVideoLoop),this.video.addEventListener("pause",this.stopVideoLoop),this.video.addEventListener("ended",this.stopVideoLoop);var t=document.createElement("canvas");return t.height=this.height,t.width=this.width,t}},{key:"render",value:function(){var t=this;this.target.appendChild(this.renderer.el),this.video.style.display="none";var e=function(){t.animationFrameId=requestAnimationFrame(e),t.context.clearRect(0,0,t.width,t.height),t.context.drawImage(t.video,0,0,t.width,t.height);var i=t.controls.update();t.renderer.render(t.scene,t.camera,t.needsUpdate||i),t.renderer.mesh.material.map.needsUpdate=!0,t.needsUpdate=!1};this.startVideoLoop(),e()}}]),e}(),m=function(t){function e(t){r(this,e);var i=s(this,(e.__proto__||Object.getPrototypeOf(e)).call(this,t));return i.driver.addEventListener("playing",i.startVideoLoop),i.driver.addEventListener("pause",i.stopVideoLoop),i.driver.addEventListener("ended",i.stopVideoLoop),i.driver.addEventListener("stalled",i.stopVideoLoop),i.driverInitialized=!1,i}return o(e,c),n(e,[{key:"play",value:function(){this.driver.play()}},{key:"pause",value:function(){this.driver.pause()}},{key:"getElement",value:function(){this.source&&this.source.tagName?this.driver=this.source:(this.driver=document.createElement("audio"),this.driver.src=this.source,this.driver.loop=this.loop||!1,this.driver.muted=this.muted||!1,this.driver.setAttribute("crossorigin","anonymous"),this.driver.autoplay=this.autoplay||!0),this.source=this.driver.src,this.driver.src="",this.driver.load();var t=document.createElement("video");return t.setAttribute("crossorigin","anonymous"),t.src=this.source,t.load(),t.addEventListener("error",this.onError),t}},{key:"createTexture",value:function(){var t=new i.VideoTexture(this.element);return t.minFilter=i.LinearFilter,t.magFilter=i.LinearFilter,t.format=i.RGBFormat,t.generateMipmaps=!1,t.needsUpdate=!0,t}},{key:"startVideoLoop",value:function(){var t=this;this.videoLoopId&&(clearTimeout(this.videoLoopId),this.videoLoopId=null);var e=function(){t.element.currentTime=t.driver.currentTime,t.needsUpdate=!0,t.videoLoopId=setTimeout(e,40)};e()}},{key:"destroy",value:function(){this.driver.style.display="",a(e.prototype.__proto__||Object.getPrototypeOf(e.prototype),"destroy",this).call(this)}},{key:"render",value:function(){var t=this;this.target.appendChild(this.renderer.el),this.element.style.display="none",this.driver.style.display="none";var e=function(){var i=t.controls.update();t.renderer.render(t.scene,t.camera,t.needsUpdate||i),t.needsUpdate=!1,t.animationFrameId=requestAnimationFrame(e),t.element.readyState>=t.element.HAVE_FUTURE_DATA&&!t.driverInitialized&&(t.driver.src=t.source,t.driver.load(),t.onDriverReady&&t.onDriverReady(),t.driverInitialized=!0)};e()}}]),e}();t.Video=function(t){return e.shouldUseAudioDriver()?new m(t):e.shouldUseCanvasInBetween()?new f(t):new p(t)},t.Image=d,Object.defineProperty(t,"__esModule",{value:!0})});