const REVISION="128",MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},TOUCH={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3},CullFaceNone=0,CullFaceBack=1,CullFaceFront=2,CullFaceFrontBack=3,BasicShadowMap=0,PCFShadowMap=1,PCFSoftShadowMap=2,VSMShadowMap=3,FrontSide=0,BackSide=1,DoubleSide=2,FlatShading=1,SmoothShading=2,NoBlending=0,NormalBlending=1,AdditiveBlending=2,SubtractiveBlending=3,MultiplyBlending=4,CustomBlending=5,AddEquation=100,SubtractEquation=101,ReverseSubtractEquation=102,MinEquation=103,MaxEquation=104,ZeroFactor=200,OneFactor=201,SrcColorFactor=202,OneMinusSrcColorFactor=203,SrcAlphaFactor=204,OneMinusSrcAlphaFactor=205,DstAlphaFactor=206,OneMinusDstAlphaFactor=207,DstColorFactor=208,OneMinusDstColorFactor=209,SrcAlphaSaturateFactor=210,NeverDepth=0,AlwaysDepth=1,LessDepth=2,LessEqualDepth=3,EqualDepth=4,GreaterEqualDepth=5,GreaterDepth=6,NotEqualDepth=7,MultiplyOperation=0,MixOperation=1,AddOperation=2,NoToneMapping=0,LinearToneMapping=1,ReinhardToneMapping=2,CineonToneMapping=3,ACESFilmicToneMapping=4,CustomToneMapping=5,UVMapping=300,CubeReflectionMapping=301,CubeRefractionMapping=302,EquirectangularReflectionMapping=303,EquirectangularRefractionMapping=304,CubeUVReflectionMapping=306,CubeUVRefractionMapping=307,RepeatWrapping=1e3,ClampToEdgeWrapping=1001,MirroredRepeatWrapping=1002,NearestFilter=1003,NearestMipmapNearestFilter=1004,NearestMipMapNearestFilter=1004,NearestMipmapLinearFilter=1005,NearestMipMapLinearFilter=1005,LinearFilter=1006,LinearMipmapNearestFilter=1007,LinearMipMapNearestFilter=1007,LinearMipmapLinearFilter=1008,LinearMipMapLinearFilter=1008,UnsignedByteType=1009,ByteType=1010,ShortType=1011,UnsignedShortType=1012,IntType=1013,UnsignedIntType=1014,FloatType=1015,HalfFloatType=1016,UnsignedShort4444Type=1017,UnsignedShort5551Type=1018,UnsignedShort565Type=1019,UnsignedInt248Type=1020,AlphaFormat=1021,RGBFormat=1022,RGBAFormat=1023,LuminanceFormat=1024,LuminanceAlphaFormat=1025,RGBEFormat=RGBAFormat,DepthFormat=1026,DepthStencilFormat=1027,RedFormat=1028,RedIntegerFormat=1029,RGFormat=1030,RGIntegerFormat=1031,RGBIntegerFormat=1032,RGBAIntegerFormat=1033,RGB_S3TC_DXT1_Format=33776,RGBA_S3TC_DXT1_Format=33777,RGBA_S3TC_DXT3_Format=33778,RGBA_S3TC_DXT5_Format=33779,RGB_PVRTC_4BPPV1_Format=35840,RGB_PVRTC_2BPPV1_Format=35841,RGBA_PVRTC_4BPPV1_Format=35842,RGBA_PVRTC_2BPPV1_Format=35843,RGB_ETC1_Format=36196,RGB_ETC2_Format=37492,RGBA_ETC2_EAC_Format=37496,RGBA_ASTC_4x4_Format=37808,RGBA_ASTC_5x4_Format=37809,RGBA_ASTC_5x5_Format=37810,RGBA_ASTC_6x5_Format=37811,RGBA_ASTC_6x6_Format=37812,RGBA_ASTC_8x5_Format=37813,RGBA_ASTC_8x6_Format=37814,RGBA_ASTC_8x8_Format=37815,RGBA_ASTC_10x5_Format=37816,RGBA_ASTC_10x6_Format=37817,RGBA_ASTC_10x8_Format=37818,RGBA_ASTC_10x10_Format=37819,RGBA_ASTC_12x10_Format=37820,RGBA_ASTC_12x12_Format=37821,RGBA_BPTC_Format=36492,SRGB8_ALPHA8_ASTC_4x4_Format=37840,SRGB8_ALPHA8_ASTC_5x4_Format=37841,SRGB8_ALPHA8_ASTC_5x5_Format=37842,SRGB8_ALPHA8_ASTC_6x5_Format=37843,SRGB8_ALPHA8_ASTC_6x6_Format=37844,SRGB8_ALPHA8_ASTC_8x5_Format=37845,SRGB8_ALPHA8_ASTC_8x6_Format=37846,SRGB8_ALPHA8_ASTC_8x8_Format=37847,SRGB8_ALPHA8_ASTC_10x5_Format=37848,SRGB8_ALPHA8_ASTC_10x6_Format=37849,SRGB8_ALPHA8_ASTC_10x8_Format=37850,SRGB8_ALPHA8_ASTC_10x10_Format=37851,SRGB8_ALPHA8_ASTC_12x10_Format=37852,SRGB8_ALPHA8_ASTC_12x12_Format=37853,LoopOnce=2200,LoopRepeat=2201,LoopPingPong=2202,InterpolateDiscrete=2300,InterpolateLinear=2301,InterpolateSmooth=2302,ZeroCurvatureEnding=2400,ZeroSlopeEnding=2401,WrapAroundEnding=2402,NormalAnimationBlendMode=2500,AdditiveAnimationBlendMode=2501,TrianglesDrawMode=0,TriangleStripDrawMode=1,TriangleFanDrawMode=2,LinearEncoding=3e3,sRGBEncoding=3001,GammaEncoding=3007,RGBEEncoding=3002,LogLuvEncoding=3003,RGBM7Encoding=3004,RGBM16Encoding=3005,RGBDEncoding=3006,BasicDepthPacking=3200,RGBADepthPacking=3201,TangentSpaceNormalMap=0,ObjectSpaceNormalMap=1,ZeroStencilOp=0,KeepStencilOp=7680,ReplaceStencilOp=7681,IncrementStencilOp=7682,DecrementStencilOp=7683,IncrementWrapStencilOp=34055,DecrementWrapStencilOp=34056,InvertStencilOp=5386,NeverStencilFunc=512,LessStencilFunc=513,EqualStencilFunc=514,LessEqualStencilFunc=515,GreaterStencilFunc=516,NotEqualStencilFunc=517,GreaterEqualStencilFunc=518,AlwaysStencilFunc=519,StaticDrawUsage=35044,DynamicDrawUsage=35048,StreamDrawUsage=35040,StaticReadUsage=35045,DynamicReadUsage=35049,StreamReadUsage=35041,StaticCopyUsage=35046,DynamicCopyUsage=35050,StreamCopyUsage=35042,GLSL1="100",GLSL3="300 es";class EventDispatcher{addEventListener(e,t){void 0===this._listeners&&(this._listeners={});const r=this._listeners;void 0===r[e]&&(r[e]=[]),-1===r[e].indexOf(t)&&r[e].push(t)}hasEventListener(e,t){if(void 0===this._listeners)return!1;const r=this._listeners;return void 0!==r[e]&&-1!==r[e].indexOf(t)}removeEventListener(e,t){if(void 0===this._listeners)return;const r=this._listeners[e];if(void 0!==r){const e=r.indexOf(t);-1!==e&&r.splice(e,1)}}dispatchEvent(e){if(void 0===this._listeners)return;const t=this._listeners[e.type];if(void 0!==t){e.target=this;const r=t.slice(0);for(let t=0,n=r.length;t<n;t++)r[t].call(this,e);e.target=null}}}const _lut=[];for(let e=0;e<256;e++)_lut[e]=(e<16?"0":"")+e.toString(16);let _seed=1234567;const DEG2RAD=Math.PI/180,RAD2DEG=180/Math.PI;function generateUUID(){const e=4294967295*Math.random()|0,t=4294967295*Math.random()|0,r=4294967295*Math.random()|0,n=4294967295*Math.random()|0;return(_lut[255&e]+_lut[e>>8&255]+_lut[e>>16&255]+_lut[e>>24&255]+"-"+_lut[255&t]+_lut[t>>8&255]+"-"+_lut[t>>16&15|64]+_lut[t>>24&255]+"-"+_lut[63&r|128]+_lut[r>>8&255]+"-"+_lut[r>>16&255]+_lut[r>>24&255]+_lut[255&n]+_lut[n>>8&255]+_lut[n>>16&255]+_lut[n>>24&255]).toUpperCase()}function clamp(e,t,r){return Math.max(t,Math.min(r,e))}function euclideanModulo(e,t){return(e%t+t)%t}function mapLinear(e,t,r,n,i){return n+(e-t)*(i-n)/(r-t)}function inverseLerp(e,t,r){return e!==t?(r-e)/(t-e):0}function lerp(e,t,r){return(1-r)*e+r*t}function damp(e,t,r,n){return lerp(e,t,1-Math.exp(-r*n))}function pingpong(e,t=1){return t-Math.abs(euclideanModulo(e,2*t)-t)}function smoothstep(e,t,r){return e<=t?0:e>=r?1:(e=(e-t)/(r-t))*e*(3-2*e)}function smootherstep(e,t,r){return e<=t?0:e>=r?1:(e=(e-t)/(r-t))*e*e*(e*(6*e-15)+10)}function randInt(e,t){return e+Math.floor(Math.random()*(t-e+1))}function randFloat(e,t){return e+Math.random()*(t-e)}function randFloatSpread(e){return e*(.5-Math.random())}function seededRandom(e){return void 0!==e&&(_seed=e%2147483647),((_seed=16807*_seed%2147483647)-1)/2147483646}function degToRad(e){return e*DEG2RAD}function radToDeg(e){return e*RAD2DEG}function isPowerOfTwo(e){return 0==(e&e-1)&&0!==e}function ceilPowerOfTwo(e){return Math.pow(2,Math.ceil(Math.log(e)/Math.LN2))}function floorPowerOfTwo(e){return Math.pow(2,Math.floor(Math.log(e)/Math.LN2))}function setQuaternionFromProperEuler(e,t,r,n,i){const a=Math.cos,o=Math.sin,s=a(r/2),l=o(r/2),c=a((t+n)/2),h=o((t+n)/2),u=a((t-n)/2),d=o((t-n)/2),p=a((n-t)/2),m=o((n-t)/2);switch(i){case"XYX":e.set(s*h,l*u,l*d,s*c);break;case"YZY":e.set(l*d,s*h,l*u,s*c);break;case"ZXZ":e.set(l*u,l*d,s*h,s*c);break;case"XZX":e.set(s*h,l*m,l*p,s*c);break;case"YXY":e.set(l*p,s*h,l*m,s*c);break;case"ZYZ":e.set(l*m,l*p,s*h,s*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+i)}}var MathUtils=Object.freeze({__proto__:null,DEG2RAD:DEG2RAD,RAD2DEG:RAD2DEG,generateUUID:generateUUID,clamp:clamp,euclideanModulo:euclideanModulo,mapLinear:mapLinear,inverseLerp:inverseLerp,lerp:lerp,damp:damp,pingpong:pingpong,smoothstep:smoothstep,smootherstep:smootherstep,randInt:randInt,randFloat:randFloat,randFloatSpread:randFloatSpread,seededRandom:seededRandom,degToRad:degToRad,radToDeg:radToDeg,isPowerOfTwo:isPowerOfTwo,ceilPowerOfTwo:ceilPowerOfTwo,floorPowerOfTwo:floorPowerOfTwo,setQuaternionFromProperEuler:setQuaternionFromProperEuler});class Vector2{constructor(e=0,t=0){this.x=e,this.y=t}get width(){return this.x}set width(e){this.x=e}get height(){return this.y}set height(e){this.y=e}set(e,t){return this.x=e,this.y=t,this}setScalar(e){return this.x=e,this.y=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y)}copy(e){return this.x=e.x,this.y=e.y,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this)}addScalar(e){return this.x+=e,this.y+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this)}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const t=this.x,r=this.y,n=e.elements;return this.x=n[0]*t+n[3]*r+n[6],this.y=n[1]*t+n[4]*r+n[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this}clampLength(e,t){const r=this.length();return this.divideScalar(r||1).multiplyScalar(Math.max(e,Math.min(t,r)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,r=this.y-e.y;return t*t+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,r){return this.x=e.x+(t.x-e.x)*r,this.y=e.y+(t.y-e.y)*r,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t,r){return void 0!==r&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const r=Math.cos(t),n=Math.sin(t),i=this.x-e.x,a=this.y-e.y;return this.x=i*r-a*n+e.x,this.y=i*n+a*r+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}}Vector2.prototype.isVector2=!0;class Matrix3{constructor(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}set(e,t,r,n,i,a,o,s,l){const c=this.elements;return c[0]=e,c[1]=n,c[2]=o,c[3]=t,c[4]=i,c[5]=s,c[6]=r,c[7]=a,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,r=e.elements;return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[4]=r[4],t[5]=r[5],t[6]=r[6],t[7]=r[7],t[8]=r[8],this}extractBasis(e,t,r){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),r.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const r=e.elements,n=t.elements,i=this.elements,a=r[0],o=r[3],s=r[6],l=r[1],c=r[4],h=r[7],u=r[2],d=r[5],p=r[8],m=n[0],f=n[3],g=n[6],v=n[1],_=n[4],y=n[7],x=n[2],b=n[5],M=n[8];return i[0]=a*m+o*v+s*x,i[3]=a*f+o*_+s*b,i[6]=a*g+o*y+s*M,i[1]=l*m+c*v+h*x,i[4]=l*f+c*_+h*b,i[7]=l*g+c*y+h*M,i[2]=u*m+d*v+p*x,i[5]=u*f+d*_+p*b,i[8]=u*g+d*y+p*M,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],r=e[1],n=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8];return t*a*c-t*o*l-r*i*c+r*o*s+n*i*l-n*a*s}invert(){const e=this.elements,t=e[0],r=e[1],n=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],h=c*a-o*l,u=o*s-c*i,d=l*i-a*s,p=t*h+r*u+n*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return e[0]=h*m,e[1]=(n*l-c*r)*m,e[2]=(o*r-n*a)*m,e[3]=u*m,e[4]=(c*t-n*s)*m,e[5]=(n*i-o*t)*m,e[6]=d*m,e[7]=(r*s-l*t)*m,e[8]=(a*t-r*i)*m,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,r,n,i,a,o){const s=Math.cos(i),l=Math.sin(i);return this.set(r*s,r*l,-r*(s*a+l*o)+a+e,-n*l,n*s,-n*(-l*a+s*o)+o+t,0,0,1),this}scale(e,t){const r=this.elements;return r[0]*=e,r[3]*=e,r[6]*=e,r[1]*=t,r[4]*=t,r[7]*=t,this}rotate(e){const t=Math.cos(e),r=Math.sin(e),n=this.elements,i=n[0],a=n[3],o=n[6],s=n[1],l=n[4],c=n[7];return n[0]=t*i+r*s,n[3]=t*a+r*l,n[6]=t*o+r*c,n[1]=-r*i+t*s,n[4]=-r*a+t*l,n[7]=-r*o+t*c,this}translate(e,t){const r=this.elements;return r[0]+=e*r[2],r[3]+=e*r[5],r[6]+=e*r[8],r[1]+=t*r[2],r[4]+=t*r[5],r[7]+=t*r[8],this}equals(e){const t=this.elements,r=e.elements;for(let e=0;e<9;e++)if(t[e]!==r[e])return!1;return!0}fromArray(e,t=0){for(let r=0;r<9;r++)this.elements[r]=e[r+t];return this}toArray(e=[],t=0){const r=this.elements;return e[t]=r[0],e[t+1]=r[1],e[t+2]=r[2],e[t+3]=r[3],e[t+4]=r[4],e[t+5]=r[5],e[t+6]=r[6],e[t+7]=r[7],e[t+8]=r[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}let _canvas;Matrix3.prototype.isMatrix3=!0;class ImageUtils{static getDataURL(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===_canvas&&(_canvas=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),_canvas.width=e.width,_canvas.height=e.height;const r=_canvas.getContext("2d");e instanceof ImageData?r.putImageData(e,0,0):r.drawImage(e,0,0,e.width,e.height),t=_canvas}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}}let textureId=0;class Texture extends EventDispatcher{constructor(e=Texture.DEFAULT_IMAGE,t=Texture.DEFAULT_MAPPING,r=ClampToEdgeWrapping,n=ClampToEdgeWrapping,i=LinearFilter,a=LinearMipmapLinearFilter,o=RGBAFormat,s=UnsignedByteType,l=1,c=LinearEncoding){super(),Object.defineProperty(this,"id",{value:textureId++}),this.uuid=generateUUID(),this.name="",this.image=e,this.mipmaps=[],this.mapping=t,this.wrapS=r,this.wrapT=n,this.magFilter=i,this.minFilter=a,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=s,this.offset=new Vector2(0,0),this.repeat=new Vector2(1,1),this.center=new Vector2(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Matrix3,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const r={metadata:{version:4.5,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],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){const n=this.image;if(void 0===n.uuid&&(n.uuid=generateUUID()),!t&&void 0===e.images[n.uuid]){let t;if(Array.isArray(n)){t=[];for(let e=0,r=n.length;e<r;e++)n[e].isDataTexture?t.push(serializeImage(n[e].image)):t.push(serializeImage(n[e]))}else t=serializeImage(n);e.images[n.uuid]={uuid:n.uuid,url:t}}r.image=n.uuid}return t||(e.textures[this.uuid]=r),r}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==UVMapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case RepeatWrapping:e.x=e.x-Math.floor(e.x);break;case ClampToEdgeWrapping:e.x=e.x<0?0:1;break;case MirroredRepeatWrapping:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case RepeatWrapping:e.y=e.y-Math.floor(e.y);break;case ClampToEdgeWrapping:e.y=e.y<0?0:1;break;case MirroredRepeatWrapping:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&this.version++}}function serializeImage(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?ImageUtils.getDataURL(e):e.data?{data:Array.prototype.slice.call(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}Texture.DEFAULT_IMAGE=void 0,Texture.DEFAULT_MAPPING=UVMapping,Texture.prototype.isTexture=!0;class Vector4{constructor(e=0,t=0,r=0,n=1){this.x=e,this.y=t,this.z=r,this.w=n}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,r,n){return this.x=e,this.y=t,this.z=r,this.w=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,r=this.y,n=this.z,i=this.w,a=e.elements;return this.x=a[0]*t+a[4]*r+a[8]*n+a[12]*i,this.y=a[1]*t+a[5]*r+a[9]*n+a[13]*i,this.z=a[2]*t+a[6]*r+a[10]*n+a[14]*i,this.w=a[3]*t+a[7]*r+a[11]*n+a[15]*i,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,r,n,i;const a=e.elements,o=a[0],s=a[4],l=a[8],c=a[1],h=a[5],u=a[9],d=a[2],p=a[6],m=a[10];if(Math.abs(s-c)<.01&&Math.abs(l-d)<.01&&Math.abs(u-p)<.01){if(Math.abs(s+c)<.1&&Math.abs(l+d)<.1&&Math.abs(u+p)<.1&&Math.abs(o+h+m-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const e=(o+1)/2,a=(h+1)/2,f=(m+1)/2,g=(s+c)/4,v=(l+d)/4,_=(u+p)/4;return e>a&&e>f?e<.01?(r=0,n=.707106781,i=.707106781):(n=g/(r=Math.sqrt(e)),i=v/r):a>f?a<.01?(r=.707106781,n=0,i=.707106781):(r=g/(n=Math.sqrt(a)),i=_/n):f<.01?(r=.707106781,n=.707106781,i=0):(r=v/(i=Math.sqrt(f)),n=_/i),this.set(r,n,i,t),this}let f=Math.sqrt((p-u)*(p-u)+(l-d)*(l-d)+(c-s)*(c-s));return Math.abs(f)<.001&&(f=1),this.x=(p-u)/f,this.y=(l-d)/f,this.z=(c-s)/f,this.w=Math.acos((o+h+m-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const r=this.length();return this.divideScalar(r||1).multiplyScalar(Math.max(e,Math.min(t,r)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,r){return this.x=e.x+(t.x-e.x)*r,this.y=e.y+(t.y-e.y)*r,this.z=e.z+(t.z-e.z)*r,this.w=e.w+(t.w-e.w)*r,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,r){return void 0!==r&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}Vector4.prototype.isVector4=!0;class WebGLRenderTarget extends EventDispatcher{constructor(e,t,r){super(),this.width=e,this.height=t,this.depth=1,this.scissor=new Vector4(0,0,e,t),this.scissorTest=!1,this.viewport=new Vector4(0,0,e,t),r=r||{},this.texture=new Texture(void 0,r.mapping,r.wrapS,r.wrapT,r.magFilter,r.minFilter,r.format,r.type,r.anisotropy,r.encoding),this.texture.image={},this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=1,this.texture.generateMipmaps=void 0!==r.generateMipmaps&&r.generateMipmaps,this.texture.minFilter=void 0!==r.minFilter?r.minFilter:LinearFilter,this.depthBuffer=void 0===r.depthBuffer||r.depthBuffer,this.stencilBuffer=void 0!==r.stencilBuffer&&r.stencilBuffer,this.depthTexture=void 0!==r.depthTexture?r.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,r=1){this.width===e&&this.height===t&&this.depth===r||(this.width=e,this.height=t,this.depth=r,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=r,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}WebGLRenderTarget.prototype.isWebGLRenderTarget=!0;class WebGLMultisampleRenderTarget extends WebGLRenderTarget{constructor(e,t,r){super(e,t,r),this.samples=4}copy(e){return super.copy.call(this,e),this.samples=e.samples,this}}WebGLMultisampleRenderTarget.prototype.isWebGLMultisampleRenderTarget=!0;class Quaternion{constructor(e=0,t=0,r=0,n=1){this._x=e,this._y=t,this._z=r,this._w=n}static slerp(e,t,r,n){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),r.slerpQuaternions(e,t,n)}static slerpFlat(e,t,r,n,i,a,o){let s=r[n+0],l=r[n+1],c=r[n+2],h=r[n+3];const u=i[a+0],d=i[a+1],p=i[a+2],m=i[a+3];if(0===o)return e[t+0]=s,e[t+1]=l,e[t+2]=c,void(e[t+3]=h);if(1===o)return e[t+0]=u,e[t+1]=d,e[t+2]=p,void(e[t+3]=m);if(h!==m||s!==u||l!==d||c!==p){let e=1-o;const t=s*u+l*d+c*p+h*m,r=t>=0?1:-1,n=1-t*t;if(n>Number.EPSILON){const i=Math.sqrt(n),a=Math.atan2(i,t*r);e=Math.sin(e*a)/i,o=Math.sin(o*a)/i}const i=o*r;if(s=s*e+u*i,l=l*e+d*i,c=c*e+p*i,h=h*e+m*i,e===1-o){const e=1/Math.sqrt(s*s+l*l+c*c+h*h);s*=e,l*=e,c*=e,h*=e}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=h}static multiplyQuaternionsFlat(e,t,r,n,i,a){const o=r[n],s=r[n+1],l=r[n+2],c=r[n+3],h=i[a],u=i[a+1],d=i[a+2],p=i[a+3];return e[t]=o*p+c*h+s*d-l*u,e[t+1]=s*p+c*u+l*h-o*d,e[t+2]=l*p+c*d+o*u-s*h,e[t+3]=c*p-o*h-s*u-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,r,n){return this._x=e,this._y=t,this._z=r,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const r=e._x,n=e._y,i=e._z,a=e._order,o=Math.cos,s=Math.sin,l=o(r/2),c=o(n/2),h=o(i/2),u=s(r/2),d=s(n/2),p=s(i/2);switch(a){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const r=t/2,n=Math.sin(r);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(r),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,r=t[0],n=t[4],i=t[8],a=t[1],o=t[5],s=t[9],l=t[2],c=t[6],h=t[10],u=r+o+h;if(u>0){const e=.5/Math.sqrt(u+1);this._w=.25/e,this._x=(c-s)*e,this._y=(i-l)*e,this._z=(a-n)*e}else if(r>o&&r>h){const e=2*Math.sqrt(1+r-o-h);this._w=(c-s)/e,this._x=.25*e,this._y=(n+a)/e,this._z=(i+l)/e}else if(o>h){const e=2*Math.sqrt(1+o-r-h);this._w=(i-l)/e,this._x=(n+a)/e,this._y=.25*e,this._z=(s+c)/e}else{const e=2*Math.sqrt(1+h-r-o);this._w=(a-n)/e,this._x=(i+l)/e,this._y=(s+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let r=e.dot(t)+1;return r<Number.EPSILON?(r=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=r):(this._x=0,this._y=-e.z,this._z=e.y,this._w=r)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=r),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(clamp(this.dot(e),-1,1)))}rotateTowards(e,t){const r=this.angleTo(e);if(0===r)return this;const n=Math.min(1,t/r);return this.slerp(e,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const r=e._x,n=e._y,i=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=r*c+a*o+n*l-i*s,this._y=n*c+a*s+i*o-r*l,this._z=i*c+a*l+r*s-n*o,this._w=a*c-r*o-n*s-i*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const r=this._x,n=this._y,i=this._z,a=this._w;let o=a*e._w+r*e._x+n*e._y+i*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=r,this._y=n,this._z=i,this;const s=1-o*o;if(s<=Number.EPSILON){const e=1-t;return this._w=e*a+t*this._w,this._x=e*r+t*this._x,this._y=e*n+t*this._y,this._z=e*i+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(s),c=Math.atan2(l,o),h=Math.sin((1-t)*c)/l,u=Math.sin(t*c)/l;return this._w=a*h+this._w*u,this._x=r*h+this._x*u,this._y=n*h+this._y*u,this._z=i*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(e,t,r){this.copy(e).slerp(t,r)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Quaternion.prototype.isQuaternion=!0;class Vector3{constructor(e=0,t=0,r=0){this.x=e,this.y=t,this.z=r}set(e,t,r){return void 0===r&&(r=this.z),this.x=e,this.y=t,this.z=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(_quaternion$4.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(_quaternion$4.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,r=this.y,n=this.z,i=e.elements;return this.x=i[0]*t+i[3]*r+i[6]*n,this.y=i[1]*t+i[4]*r+i[7]*n,this.z=i[2]*t+i[5]*r+i[8]*n,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,r=this.y,n=this.z,i=e.elements,a=1/(i[3]*t+i[7]*r+i[11]*n+i[15]);return this.x=(i[0]*t+i[4]*r+i[8]*n+i[12])*a,this.y=(i[1]*t+i[5]*r+i[9]*n+i[13])*a,this.z=(i[2]*t+i[6]*r+i[10]*n+i[14])*a,this}applyQuaternion(e){const t=this.x,r=this.y,n=this.z,i=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*n-o*r,c=s*r+o*t-i*n,h=s*n+i*r-a*t,u=-i*t-a*r-o*n;return this.x=l*s+u*-i+c*-o-h*-a,this.y=c*s+u*-a+h*-i-l*-o,this.z=h*s+u*-o+l*-a-c*-i,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,r=this.y,n=this.z,i=e.elements;return this.x=i[0]*t+i[4]*r+i[8]*n,this.y=i[1]*t+i[5]*r+i[9]*n,this.z=i[2]*t+i[6]*r+i[10]*n,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const r=this.length();return this.divideScalar(r||1).multiplyScalar(Math.max(e,Math.min(t,r)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,r){return this.x=e.x+(t.x-e.x)*r,this.y=e.y+(t.y-e.y)*r,this.z=e.z+(t.z-e.z)*r,this}cross(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){const r=e.x,n=e.y,i=e.z,a=t.x,o=t.y,s=t.z;return this.x=n*s-i*o,this.y=i*a-r*s,this.z=r*o-n*a,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const r=e.dot(this)/t;return this.copy(e).multiplyScalar(r)}projectOnPlane(e){return _vector$c.copy(this).projectOnVector(e),this.sub(_vector$c)}reflect(e){return this.sub(_vector$c.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const r=this.dot(e)/t;return Math.acos(clamp(r,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,r=this.y-e.y,n=this.z-e.z;return t*t+r*r+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,r){const n=Math.sin(t)*e;return this.x=n*Math.sin(r),this.y=Math.cos(t)*e,this.z=n*Math.cos(r),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,r){return this.x=e*Math.sin(t),this.y=r,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),r=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=r,this.z=n,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,r){return void 0!==r&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}Vector3.prototype.isVector3=!0;const _vector$c=new Vector3,_quaternion$4=new Quaternion;class Box3{constructor(e=new Vector3(1/0,1/0,1/0),t=new Vector3(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,r=1/0,n=1/0,i=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.length;s<l;s+=3){const l=e[s],c=e[s+1],h=e[s+2];l<t&&(t=l),c<r&&(r=c),h<n&&(n=h),l>i&&(i=l),c>a&&(a=c),h>o&&(o=h)}return this.min.set(t,r,n),this.max.set(i,a,o),this}setFromBufferAttribute(e){let t=1/0,r=1/0,n=1/0,i=-1/0,a=-1/0,o=-1/0;for(let s=0,l=e.count;s<l;s++){const l=e.getX(s),c=e.getY(s),h=e.getZ(s);l<t&&(t=l),c<r&&(r=c),h<n&&(n=h),l>i&&(i=l),c>a&&(a=c),h>o&&(o=h)}return this.min.set(t,r,n),this.max.set(i,a,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,r=e.length;t<r;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const r=_vector$b.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(r),this.max.copy(e).add(r),this}setFromObject(e){return this.makeEmpty(),this.expandByObject(e)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return void 0===e&&(console.warn("THREE.Box3: .getCenter() target is now required"),e=new Vector3),this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box3: .getSize() target is now required"),e=new Vector3),this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e){e.updateWorldMatrix(!1,!1);const t=e.geometry;void 0!==t&&(null===t.boundingBox&&t.computeBoundingBox(),_box$3.copy(t.boundingBox),_box$3.applyMatrix4(e.matrixWorld),this.union(_box$3));const r=e.children;for(let e=0,t=r.length;e<t;e++)this.expandByObject(r[e]);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new Vector3),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,_vector$b),_vector$b.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,r;return e.normal.x>0?(t=e.normal.x*this.min.x,r=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,r=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,r+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,r+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,r+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,r+=e.normal.z*this.min.z),t<=-e.constant&&r>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(_center),_extents.subVectors(this.max,_center),_v0$2.subVectors(e.a,_center),_v1$7.subVectors(e.b,_center),_v2$3.subVectors(e.c,_center),_f0.subVectors(_v1$7,_v0$2),_f1.subVectors(_v2$3,_v1$7),_f2.subVectors(_v0$2,_v2$3);let t=[0,-_f0.z,_f0.y,0,-_f1.z,_f1.y,0,-_f2.z,_f2.y,_f0.z,0,-_f0.x,_f1.z,0,-_f1.x,_f2.z,0,-_f2.x,-_f0.y,_f0.x,0,-_f1.y,_f1.x,0,-_f2.y,_f2.x,0];return!!satForAxes(t,_v0$2,_v1$7,_v2$3,_extents)&&(!!satForAxes(t=[1,0,0,0,1,0,0,0,1],_v0$2,_v1$7,_v2$3,_extents)&&(_triangleNormal.crossVectors(_f0,_f1),satForAxes(t=[_triangleNormal.x,_triangleNormal.y,_triangleNormal.z],_v0$2,_v1$7,_v2$3,_extents)))}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new Vector3),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return _vector$b.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(_vector$b).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(_points[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),_points[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),_points[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),_points[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),_points[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),_points[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),_points[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),_points[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(_points),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}Box3.prototype.isBox3=!0;const _points=[new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3],_vector$b=new Vector3,_box$3=new Box3,_v0$2=new Vector3,_v1$7=new Vector3,_v2$3=new Vector3,_f0=new Vector3,_f1=new Vector3,_f2=new Vector3,_center=new Vector3,_extents=new Vector3,_triangleNormal=new Vector3,_testAxis=new Vector3;function satForAxes(e,t,r,n,i){for(let a=0,o=e.length-3;a<=o;a+=3){_testAxis.fromArray(e,a);const o=i.x*Math.abs(_testAxis.x)+i.y*Math.abs(_testAxis.y)+i.z*Math.abs(_testAxis.z),s=t.dot(_testAxis),l=r.dot(_testAxis),c=n.dot(_testAxis);if(Math.max(-Math.max(s,l,c),Math.min(s,l,c))>o)return!1}return!0}const _box$2=new Box3,_v1$6=new Vector3,_toFarthestPoint=new Vector3,_toPoint=new Vector3;class Sphere{constructor(e=new Vector3,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const r=this.center;void 0!==t?r.copy(t):_box$2.setFromPoints(e).getCenter(r);let n=0;for(let t=0,i=e.length;t<i;t++)n=Math.max(n,r.distanceToSquared(e[t]));return this.radius=Math.sqrt(n),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const r=this.center.distanceToSquared(e);return void 0===t&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),t=new Vector3),t.copy(e),r>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new Box3),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){_toPoint.subVectors(e,this.center);const t=_toPoint.lengthSq();if(t>this.radius*this.radius){const e=Math.sqrt(t),r=.5*(e-this.radius);this.center.add(_toPoint.multiplyScalar(r/e)),this.radius+=r}return this}union(e){return _toFarthestPoint.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(_v1$6.copy(e.center).add(_toFarthestPoint)),this.expandByPoint(_v1$6.copy(e.center).sub(_toFarthestPoint)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const _vector$a=new Vector3,_segCenter=new Vector3,_segDir=new Vector3,_diff=new Vector3,_edge1=new Vector3,_edge2=new Vector3,_normal$1=new Vector3;class Ray{constructor(e=new Vector3,t=new Vector3(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new Vector3),t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,_vector$a)),this}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new Vector3),t.subVectors(e,this.origin);const r=t.dot(this.direction);return r<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(r).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=_vector$a.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(_vector$a.copy(this.direction).multiplyScalar(t).add(this.origin),_vector$a.distanceToSquared(e))}distanceSqToSegment(e,t,r,n){_segCenter.copy(e).add(t).multiplyScalar(.5),_segDir.copy(t).sub(e).normalize(),_diff.copy(this.origin).sub(_segCenter);const i=.5*e.distanceTo(t),a=-this.direction.dot(_segDir),o=_diff.dot(this.direction),s=-_diff.dot(_segDir),l=_diff.lengthSq(),c=Math.abs(1-a*a);let h,u,d,p;if(c>0)if(u=a*o-s,p=i*c,(h=a*s-o)>=0)if(u>=-p)if(u<=p){const e=1/c;d=(h*=e)*(h+a*(u*=e)+2*o)+u*(a*h+u+2*s)+l}else u=i,d=-(h=Math.max(0,-(a*u+o)))*h+u*(u+2*s)+l;else u=-i,d=-(h=Math.max(0,-(a*u+o)))*h+u*(u+2*s)+l;else u<=-p?d=-(h=Math.max(0,-(-a*i+o)))*h+(u=h>0?-i:Math.min(Math.max(-i,-s),i))*(u+2*s)+l:u<=p?(h=0,d=(u=Math.min(Math.max(-i,-s),i))*(u+2*s)+l):d=-(h=Math.max(0,-(a*i+o)))*h+(u=h>0?i:Math.min(Math.max(-i,-s),i))*(u+2*s)+l;else u=a>0?-i:i,d=-(h=Math.max(0,-(a*u+o)))*h+u*(u+2*s)+l;return r&&r.copy(this.direction).multiplyScalar(h).add(this.origin),n&&n.copy(_segDir).multiplyScalar(u).add(_segCenter),d}intersectSphere(e,t){_vector$a.subVectors(e.center,this.origin);const r=_vector$a.dot(this.direction),n=_vector$a.dot(_vector$a)-r*r,i=e.radius*e.radius;if(n>i)return null;const a=Math.sqrt(i-n),o=r-a,s=r+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const r=-(this.origin.dot(e.normal)+e.constant)/t;return r>=0?r:null}intersectPlane(e,t){const r=this.distanceToPlane(e);return null===r?null:this.at(r,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let r,n,i,a,o,s;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(r=(e.min.x-u.x)*l,n=(e.max.x-u.x)*l):(r=(e.max.x-u.x)*l,n=(e.min.x-u.x)*l),c>=0?(i=(e.min.y-u.y)*c,a=(e.max.y-u.y)*c):(i=(e.max.y-u.y)*c,a=(e.min.y-u.y)*c),r>a||i>n?null:((i>r||r!=r)&&(r=i),(a<n||n!=n)&&(n=a),h>=0?(o=(e.min.z-u.z)*h,s=(e.max.z-u.z)*h):(o=(e.max.z-u.z)*h,s=(e.min.z-u.z)*h),r>s||o>n?null:((o>r||r!=r)&&(r=o),(s<n||n!=n)&&(n=s),n<0?null:this.at(r>=0?r:n,t)))}intersectsBox(e){return null!==this.intersectBox(e,_vector$a)}intersectTriangle(e,t,r,n,i){_edge1.subVectors(t,e),_edge2.subVectors(r,e),_normal$1.crossVectors(_edge1,_edge2);let a,o=this.direction.dot(_normal$1);if(o>0){if(n)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}_diff.subVectors(this.origin,e);const s=a*this.direction.dot(_edge2.crossVectors(_diff,_edge2));if(s<0)return null;const l=a*this.direction.dot(_edge1.cross(_diff));if(l<0)return null;if(s+l>o)return null;const c=-a*_diff.dot(_normal$1);return c<0?null:this.at(c/o,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Matrix4{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,r,n,i,a,o,s,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=e,g[4]=t,g[8]=r,g[12]=n,g[1]=i,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Matrix4).fromArray(this.elements)}copy(e){const t=this.elements,r=e.elements;return t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[4]=r[4],t[5]=r[5],t[6]=r[6],t[7]=r[7],t[8]=r[8],t[9]=r[9],t[10]=r[10],t[11]=r[11],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15],this}copyPosition(e){const t=this.elements,r=e.elements;return t[12]=r[12],t[13]=r[13],t[14]=r[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,r){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),r.setFromMatrixColumn(this,2),this}makeBasis(e,t,r){return this.set(e.x,t.x,r.x,0,e.y,t.y,r.y,0,e.z,t.z,r.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,r=e.elements,n=1/_v1$5.setFromMatrixColumn(e,0).length(),i=1/_v1$5.setFromMatrixColumn(e,1).length(),a=1/_v1$5.setFromMatrixColumn(e,2).length();return t[0]=r[0]*n,t[1]=r[1]*n,t[2]=r[2]*n,t[3]=0,t[4]=r[4]*i,t[5]=r[5]*i,t[6]=r[6]*i,t[7]=0,t[8]=r[8]*a,t[9]=r[9]*a,t[10]=r[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const t=this.elements,r=e.x,n=e.y,i=e.z,a=Math.cos(r),o=Math.sin(r),s=Math.cos(n),l=Math.sin(n),c=Math.cos(i),h=Math.sin(i);if("XYZ"===e.order){const e=a*c,r=a*h,n=o*c,i=o*h;t[0]=s*c,t[4]=-s*h,t[8]=l,t[1]=r+n*l,t[5]=e-i*l,t[9]=-o*s,t[2]=i-e*l,t[6]=n+r*l,t[10]=a*s}else if("YXZ"===e.order){const e=s*c,r=s*h,n=l*c,i=l*h;t[0]=e+i*o,t[4]=n*o-r,t[8]=a*l,t[1]=a*h,t[5]=a*c,t[9]=-o,t[2]=r*o-n,t[6]=i+e*o,t[10]=a*s}else if("ZXY"===e.order){const e=s*c,r=s*h,n=l*c,i=l*h;t[0]=e-i*o,t[4]=-a*h,t[8]=n+r*o,t[1]=r+n*o,t[5]=a*c,t[9]=i-e*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){const e=a*c,r=a*h,n=o*c,i=o*h;t[0]=s*c,t[4]=n*l-r,t[8]=e*l+i,t[1]=s*h,t[5]=i*l+e,t[9]=r*l-n,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){const e=a*s,r=a*l,n=o*s,i=o*l;t[0]=s*c,t[4]=i-e*h,t[8]=n*h+r,t[1]=h,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=r*h+n,t[10]=e-i*h}else if("XZY"===e.order){const e=a*s,r=a*l,n=o*s,i=o*l;t[0]=s*c,t[4]=-h,t[8]=l*c,t[1]=e*h+i,t[5]=a*c,t[9]=r*h-n,t[2]=n*h-r,t[6]=o*c,t[10]=i*h+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(_zero,e,_one)}lookAt(e,t,r){const n=this.elements;return _z.subVectors(e,t),0===_z.lengthSq()&&(_z.z=1),_z.normalize(),_x.crossVectors(r,_z),0===_x.lengthSq()&&(1===Math.abs(r.z)?_z.x+=1e-4:_z.z+=1e-4,_z.normalize(),_x.crossVectors(r,_z)),_x.normalize(),_y.crossVectors(_z,_x),n[0]=_x.x,n[4]=_y.x,n[8]=_z.x,n[1]=_x.y,n[5]=_y.y,n[9]=_z.y,n[2]=_x.z,n[6]=_y.z,n[10]=_z.z,this}multiply(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const r=e.elements,n=t.elements,i=this.elements,a=r[0],o=r[4],s=r[8],l=r[12],c=r[1],h=r[5],u=r[9],d=r[13],p=r[2],m=r[6],f=r[10],g=r[14],v=r[3],_=r[7],y=r[11],x=r[15],b=n[0],M=n[4],w=n[8],S=n[12],T=n[1],E=n[5],A=n[9],L=n[13],C=n[2],R=n[6],P=n[10],B=n[14],D=n[3],I=n[7],G=n[11],F=n[15];return i[0]=a*b+o*T+s*C+l*D,i[4]=a*M+o*E+s*R+l*I,i[8]=a*w+o*A+s*P+l*G,i[12]=a*S+o*L+s*B+l*F,i[1]=c*b+h*T+u*C+d*D,i[5]=c*M+h*E+u*R+d*I,i[9]=c*w+h*A+u*P+d*G,i[13]=c*S+h*L+u*B+d*F,i[2]=p*b+m*T+f*C+g*D,i[6]=p*M+m*E+f*R+g*I,i[10]=p*w+m*A+f*P+g*G,i[14]=p*S+m*L+f*B+g*F,i[3]=v*b+_*T+y*C+x*D,i[7]=v*M+_*E+y*R+x*I,i[11]=v*w+_*A+y*P+x*G,i[15]=v*S+_*L+y*B+x*F,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],r=e[4],n=e[8],i=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],h=e[6],u=e[10],d=e[14];return e[3]*(+i*s*h-n*l*h-i*o*u+r*l*u+n*o*d-r*s*d)+e[7]*(+t*s*d-t*l*u+i*a*u-n*a*d+n*l*c-i*s*c)+e[11]*(+t*l*h-t*o*d-i*a*h+r*a*d+i*o*c-r*l*c)+e[15]*(-n*o*c-t*s*h+t*o*u+n*a*h-r*a*u+r*s*c)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,r){const n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=r),this}invert(){const e=this.elements,t=e[0],r=e[1],n=e[2],i=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8],h=e[9],u=e[10],d=e[11],p=e[12],m=e[13],f=e[14],g=e[15],v=h*f*l-m*u*l+m*s*d-o*f*d-h*s*g+o*u*g,_=p*u*l-c*f*l-p*s*d+a*f*d+c*s*g-a*u*g,y=c*m*l-p*h*l+p*o*d-a*m*d-c*o*g+a*h*g,x=p*h*s-c*m*s-p*o*u+a*m*u+c*o*f-a*h*f,b=t*v+r*_+n*y+i*x;if(0===b)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const M=1/b;return e[0]=v*M,e[1]=(m*u*i-h*f*i-m*n*d+r*f*d+h*n*g-r*u*g)*M,e[2]=(o*f*i-m*s*i+m*n*l-r*f*l-o*n*g+r*s*g)*M,e[3]=(h*s*i-o*u*i-h*n*l+r*u*l+o*n*d-r*s*d)*M,e[4]=_*M,e[5]=(c*f*i-p*u*i+p*n*d-t*f*d-c*n*g+t*u*g)*M,e[6]=(p*s*i-a*f*i-p*n*l+t*f*l+a*n*g-t*s*g)*M,e[7]=(a*u*i-c*s*i+c*n*l-t*u*l-a*n*d+t*s*d)*M,e[8]=y*M,e[9]=(p*h*i-c*m*i-p*r*d+t*m*d+c*r*g-t*h*g)*M,e[10]=(a*m*i-p*o*i+p*r*l-t*m*l-a*r*g+t*o*g)*M,e[11]=(c*o*i-a*h*i-c*r*l+t*h*l+a*r*d-t*o*d)*M,e[12]=x*M,e[13]=(c*m*n-p*h*n+p*r*u-t*m*u-c*r*f+t*h*f)*M,e[14]=(p*o*n-a*m*n-p*r*s+t*m*s+a*r*f-t*o*f)*M,e[15]=(a*h*n-c*o*n+c*r*s-t*h*s-a*r*u+t*o*u)*M,this}scale(e){const t=this.elements,r=e.x,n=e.y,i=e.z;return t[0]*=r,t[4]*=n,t[8]*=i,t[1]*=r,t[5]*=n,t[9]*=i,t[2]*=r,t[6]*=n,t[10]*=i,t[3]*=r,t[7]*=n,t[11]*=i,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],r=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,r,n))}makeTranslation(e,t,r){return this.set(1,0,0,e,0,1,0,t,0,0,1,r,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),r=Math.sin(e);return this.set(1,0,0,0,0,t,-r,0,0,r,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),r=Math.sin(e);return this.set(t,0,r,0,0,1,0,0,-r,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),r=Math.sin(e);return this.set(t,-r,0,0,r,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const r=Math.cos(t),n=Math.sin(t),i=1-r,a=e.x,o=e.y,s=e.z,l=i*a,c=i*o;return this.set(l*a+r,l*o-n*s,l*s+n*o,0,l*o+n*s,c*o+r,c*s-n*a,0,l*s-n*o,c*s+n*a,i*s*s+r,0,0,0,0,1),this}makeScale(e,t,r){return this.set(e,0,0,0,0,t,0,0,0,0,r,0,0,0,0,1),this}makeShear(e,t,r){return this.set(1,t,r,0,e,1,r,0,e,t,1,0,0,0,0,1),this}compose(e,t,r){const n=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,l=i+i,c=a+a,h=o+o,u=i*l,d=i*c,p=i*h,m=a*c,f=a*h,g=o*h,v=s*l,_=s*c,y=s*h,x=r.x,b=r.y,M=r.z;return n[0]=(1-(m+g))*x,n[1]=(d+y)*x,n[2]=(p-_)*x,n[3]=0,n[4]=(d-y)*b,n[5]=(1-(u+g))*b,n[6]=(f+v)*b,n[7]=0,n[8]=(p+_)*M,n[9]=(f-v)*M,n[10]=(1-(u+m))*M,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,r){const n=this.elements;let i=_v1$5.set(n[0],n[1],n[2]).length();const a=_v1$5.set(n[4],n[5],n[6]).length(),o=_v1$5.set(n[8],n[9],n[10]).length();this.determinant()<0&&(i=-i),e.x=n[12],e.y=n[13],e.z=n[14],_m1$2.copy(this);const s=1/i,l=1/a,c=1/o;return _m1$2.elements[0]*=s,_m1$2.elements[1]*=s,_m1$2.elements[2]*=s,_m1$2.elements[4]*=l,_m1$2.elements[5]*=l,_m1$2.elements[6]*=l,_m1$2.elements[8]*=c,_m1$2.elements[9]*=c,_m1$2.elements[10]*=c,t.setFromRotationMatrix(_m1$2),r.x=i,r.y=a,r.z=o,this}makePerspective(e,t,r,n,i,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const o=this.elements,s=2*i/(t-e),l=2*i/(r-n),c=(t+e)/(t-e),h=(r+n)/(r-n),u=-(a+i)/(a-i),d=-2*a*i/(a-i);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=u,o[14]=d,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,r,n,i,a){const o=this.elements,s=1/(t-e),l=1/(r-n),c=1/(a-i),h=(t+e)*s,u=(r+n)*l,d=(a+i)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-u,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-d,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,r=e.elements;for(let e=0;e<16;e++)if(t[e]!==r[e])return!1;return!0}fromArray(e,t=0){for(let r=0;r<16;r++)this.elements[r]=e[r+t];return this}toArray(e=[],t=0){const r=this.elements;return e[t]=r[0],e[t+1]=r[1],e[t+2]=r[2],e[t+3]=r[3],e[t+4]=r[4],e[t+5]=r[5],e[t+6]=r[6],e[t+7]=r[7],e[t+8]=r[8],e[t+9]=r[9],e[t+10]=r[10],e[t+11]=r[11],e[t+12]=r[12],e[t+13]=r[13],e[t+14]=r[14],e[t+15]=r[15],e}}Matrix4.prototype.isMatrix4=!0;const _v1$5=new Vector3,_m1$2=new Matrix4,_zero=new Vector3(0,0,0),_one=new Vector3(1,1,1),_x=new Vector3,_y=new Vector3,_z=new Vector3,_matrix$1=new Matrix4,_quaternion$3=new Quaternion;class Euler{constructor(e=0,t=0,r=0,n=Euler.DefaultOrder){this._x=e,this._y=t,this._z=r,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,r,n){return this._x=e,this._y=t,this._z=r,this._order=n||this._order,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t,r){const n=e.elements,i=n[0],a=n[4],o=n[8],s=n[1],l=n[5],c=n[9],h=n[2],u=n[6],d=n[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(clamp(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-a,i)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-clamp(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(o,d),this._z=Math.atan2(s,l)):(this._y=Math.atan2(-h,i),this._z=0);break;case"ZXY":this._x=Math.asin(clamp(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(s,i));break;case"ZYX":this._y=Math.asin(-clamp(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-a,l));break;case"YZX":this._z=Math.asin(clamp(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,i)):(this._x=0,this._y=Math.atan2(o,d));break;case"XZY":this._z=Math.asin(-clamp(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(o,i)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==r&&this._onChangeCallback(),this}setFromQuaternion(e,t,r){return _matrix$1.makeRotationFromQuaternion(e),this.setFromRotationMatrix(_matrix$1,t,r)}setFromVector3(e,t){return this.set(e.x,e.y,e.z,t||this._order)}reorder(e){return _quaternion$3.setFromEuler(this),this.setFromQuaternion(_quaternion$3,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new Vector3(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Euler.prototype.isEuler=!0,Euler.DefaultOrder="XYZ",Euler.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Layers{constructor(){this.mask=1}set(e){this.mask=1<<e|0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return 0!=(this.mask&e.mask)}}let _object3DId=0;const _v1$4=new Vector3,_q1=new Quaternion,_m1$1=new Matrix4,_target=new Vector3,_position$3=new Vector3,_scale$2=new Vector3,_quaternion$2=new Quaternion,_xAxis=new Vector3(1,0,0),_yAxis=new Vector3(0,1,0),_zAxis=new Vector3(0,0,1),_addedEvent={type:"added"},_removedEvent={type:"removed"};class Object3D extends EventDispatcher{constructor(){super(),Object.defineProperty(this,"id",{value:_object3DId++}),this.uuid=generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Object3D.DefaultUp.clone();const e=new Vector3,t=new Euler,r=new Quaternion,n=new Vector3(1,1,1);t._onChange(function(){r.setFromEuler(t,!1)}),r._onChange(function(){t.setFromQuaternion(r,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:r},scale:{configurable:!0,enumerable:!0,value:n},modelViewMatrix:{value:new Matrix4},normalMatrix:{value:new Matrix3}}),this.matrix=new Matrix4,this.matrixWorld=new Matrix4,this.matrixAutoUpdate=Object3D.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Layers,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return _q1.setFromAxisAngle(e,t),this.quaternion.multiply(_q1),this}rotateOnWorldAxis(e,t){return _q1.setFromAxisAngle(e,t),this.quaternion.premultiply(_q1),this}rotateX(e){return this.rotateOnAxis(_xAxis,e)}rotateY(e){return this.rotateOnAxis(_yAxis,e)}rotateZ(e){return this.rotateOnAxis(_zAxis,e)}translateOnAxis(e,t){return _v1$4.copy(e).applyQuaternion(this.quaternion),this.position.add(_v1$4.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(_xAxis,e)}translateY(e){return this.translateOnAxis(_yAxis,e)}translateZ(e){return this.translateOnAxis(_zAxis,e)}localToWorld(e){return e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return e.applyMatrix4(_m1$1.copy(this.matrixWorld).invert())}lookAt(e,t,r){e.isVector3?_target.copy(e):_target.set(e,t,r);const n=this.parent;this.updateWorldMatrix(!0,!1),_position$3.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?_m1$1.lookAt(_position$3,_target,this.up):_m1$1.lookAt(_target,_position$3,this.up),this.quaternion.setFromRotationMatrix(_m1$1),n&&(_m1$1.extractRotation(n.matrixWorld),_q1.setFromRotationMatrix(_m1$1),this.quaternion.premultiply(_q1.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(_addedEvent)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(_removedEvent)),this}clear(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent(_removedEvent)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),_m1$1.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),_m1$1.multiply(e.parent.matrixWorld)),e.applyMatrix4(_m1$1),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let r=0,n=this.children.length;r<n;r++){const n=this.children[r].getObjectByProperty(e,t);if(void 0!==n)return n}}getWorldPosition(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),e=new Vector3),this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),e=new Quaternion),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(_position$3,e,_scale$2),e}getWorldScale(e){return void 0===e&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),e=new Vector3),this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(_position$3,_quaternion$2,e),e}getWorldDirection(e){void 0===e&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),e=new Vector3),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let r=0,n=t.length;r<n;r++)t[r].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);const t=this.children;for(let r=0,n=t.length;r<n;r++)t[r].traverseVisible(e)}traverseAncestors(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let r=0,n=t.length;r<n;r++)t[r].updateMatrixWorld(e)}updateWorldMatrix(e,t){const r=this.parent;if(!0===e&&null!==r&&r.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){const e=this.children;for(let t=0,r=e.length;t<r;t++)e[t].updateWorldMatrix(!1,!0)}}toJSON(e){const t=void 0===e||"string"==typeof e,r={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{}},r.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const n={};function i(t,r){return void 0===t[r.uuid]&&(t[r.uuid]=r.toJSON(e)),r.uuid}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),!1===this.frustumCulled&&(n.frustumCulled=!1),0!==this.renderOrder&&(n.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(n.instanceColor=this.instanceColor.toJSON())),this.isMesh||this.isLine||this.isPoints){n.geometry=i(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const r=t.shapes;if(Array.isArray(r))for(let t=0,n=r.length;t<n;t++){const n=r[t];i(e.shapes,n)}else i(e.shapes,r)}}if(this.isSkinnedMesh&&(n.bindMode=this.bindMode,n.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(i(e.skeletons,this.skeleton),n.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let r=0,n=this.material.length;r<n;r++)t.push(i(e.materials,this.material[r]));n.material=t}else n.material=i(e.materials,this.material);if(this.children.length>0){n.children=[];for(let t=0;t<this.children.length;t++)n.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){n.animations=[];for(let t=0;t<this.animations.length;t++){const r=this.animations[t];n.animations.push(i(e.animations,r))}}if(t){const t=a(e.geometries),n=a(e.materials),i=a(e.textures),o=a(e.images),s=a(e.shapes),l=a(e.skeletons),c=a(e.animations);t.length>0&&(r.geometries=t),n.length>0&&(r.materials=n),i.length>0&&(r.textures=i),o.length>0&&(r.images=o),s.length>0&&(r.shapes=s),l.length>0&&(r.skeletons=l),c.length>0&&(r.animations=c)}return r.object=n,r;function a(e){const t=[];for(const r in e){const n=e[r];delete n.metadata,t.push(n)}return t}}clone(e){return(new this.constructor).copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const r=e.children[t];this.add(r.clone())}return this}}Object3D.DefaultUp=new Vector3(0,1,0),Object3D.DefaultMatrixAutoUpdate=!0,Object3D.prototype.isObject3D=!0;const _vector1=new Vector3,_vector2$1=new Vector3,_normalMatrix=new Matrix3;class Plane{constructor(e=new Vector3(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,r,n){return this.normal.set(e,t,r),this.constant=n,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,r){const n=_vector1.subVectors(r,t).cross(_vector2$1.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(n,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new Vector3),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new Vector3);const r=e.delta(_vector1),n=this.normal.dot(r);if(0===n)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;const i=-(e.start.dot(this.normal)+this.constant)/n;return i<0||i>1?null:t.copy(r).multiplyScalar(i).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),r=this.distanceToPoint(e.end);return t<0&&r>0||r<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new Vector3),e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const r=t||_normalMatrix.getNormalMatrix(e),n=this.coplanarPoint(_vector1).applyMatrix4(e),i=this.normal.applyMatrix3(r).normalize();return this.constant=-n.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}Plane.prototype.isPlane=!0;const _v0$1=new Vector3,_v1$3=new Vector3,_v2$2=new Vector3,_v3$1=new Vector3,_vab=new Vector3,_vac=new Vector3,_vbc=new Vector3,_vap=new Vector3,_vbp=new Vector3,_vcp=new Vector3;class Triangle{constructor(e=new Vector3,t=new Vector3,r=new Vector3){this.a=e,this.b=t,this.c=r}static getNormal(e,t,r,n){void 0===n&&(console.warn("THREE.Triangle: .getNormal() target is now required"),n=new Vector3),n.subVectors(r,t),_v0$1.subVectors(e,t),n.cross(_v0$1);const i=n.lengthSq();return i>0?n.multiplyScalar(1/Math.sqrt(i)):n.set(0,0,0)}static getBarycoord(e,t,r,n,i){_v0$1.subVectors(n,t),_v1$3.subVectors(r,t),_v2$2.subVectors(e,t);const a=_v0$1.dot(_v0$1),o=_v0$1.dot(_v1$3),s=_v0$1.dot(_v2$2),l=_v1$3.dot(_v1$3),c=_v1$3.dot(_v2$2),h=a*l-o*o;if(void 0===i&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),i=new Vector3),0===h)return i.set(-2,-1,-1);const u=1/h,d=(l*s-o*c)*u,p=(a*c-o*s)*u;return i.set(1-d-p,p,d)}static containsPoint(e,t,r,n){return this.getBarycoord(e,t,r,n,_v3$1),_v3$1.x>=0&&_v3$1.y>=0&&_v3$1.x+_v3$1.y<=1}static getUV(e,t,r,n,i,a,o,s){return this.getBarycoord(e,t,r,n,_v3$1),s.set(0,0),s.addScaledVector(i,_v3$1.x),s.addScaledVector(a,_v3$1.y),s.addScaledVector(o,_v3$1.z),s}static isFrontFacing(e,t,r,n){return _v0$1.subVectors(r,t),_v1$3.subVectors(e,t),_v0$1.cross(_v1$3).dot(n)<0}set(e,t,r){return this.a.copy(e),this.b.copy(t),this.c.copy(r),this}setFromPointsAndIndices(e,t,r,n){return this.a.copy(e[t]),this.b.copy(e[r]),this.c.copy(e[n]),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return _v0$1.subVectors(this.c,this.b),_v1$3.subVectors(this.a,this.b),.5*_v0$1.cross(_v1$3).length()}getMidpoint(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new Vector3),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Triangle.getNormal(this.a,this.b,this.c,e)}getPlane(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new Plane),e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Triangle.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,r,n,i){return Triangle.getUV(e,this.a,this.b,this.c,t,r,n,i)}containsPoint(e){return Triangle.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Triangle.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new Vector3);const r=this.a,n=this.b,i=this.c;let a,o;_vab.subVectors(n,r),_vac.subVectors(i,r),_vap.subVectors(e,r);const s=_vab.dot(_vap),l=_vac.dot(_vap);if(s<=0&&l<=0)return t.copy(r);_vbp.subVectors(e,n);const c=_vab.dot(_vbp),h=_vac.dot(_vbp);if(c>=0&&h<=c)return t.copy(n);const u=s*h-c*l;if(u<=0&&s>=0&&c<=0)return a=s/(s-c),t.copy(r).addScaledVector(_vab,a);_vcp.subVectors(e,i);const d=_vab.dot(_vcp),p=_vac.dot(_vcp);if(p>=0&&d<=p)return t.copy(i);const m=d*l-s*p;if(m<=0&&l>=0&&p<=0)return o=l/(l-p),t.copy(r).addScaledVector(_vac,o);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return _vbc.subVectors(i,n),o=(h-c)/(h-c+(d-p)),t.copy(n).addScaledVector(_vbc,o);const g=1/(f+m+u);return a=m*g,o=u*g,t.copy(r).addScaledVector(_vab,a).addScaledVector(_vac,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let materialId=0;function Material(){Object.defineProperty(this,"id",{value:materialId++}),this.uuid=generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=NormalBlending,this.side=FrontSide,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=SrcAlphaFactor,this.blendDst=OneMinusSrcAlphaFactor,this.blendEquation=AddEquation,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=LessEqualDepth,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=AlwaysStencilFunc,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=KeepStencilOp,this.stencilZFail=KeepStencilOp,this.stencilZPass=KeepStencilOp,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}Material.prototype=Object.assign(Object.create(EventDispatcher.prototype),{constructor:Material,isMaterial:!0,onBuild:function(){},onBeforeCompile:function(){},customProgramCacheKey:function(){return this.onBeforeCompile.toString()},setValues:function(e){if(void 0!==e)for(const t in e){const r=e[t];if(void 0===r){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if("shading"===t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===r;continue}const n=this[t];void 0!==n?n&&n.isColor?n.set(r):n&&n.isVector3&&r&&r.isVector3?n.copy(r):this[t]=r:console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.")}},toJSON:function(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const r={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function n(e){const t=[];for(const r in e){const n=e[r];delete n.metadata,t.push(n)}return t}if(r.uuid=this.uuid,r.type=this.type,""!==this.name&&(r.name=this.name),this.color&&this.color.isColor&&(r.color=this.color.getHex()),void 0!==this.roughness&&(r.roughness=this.roughness),void 0!==this.metalness&&(r.metalness=this.metalness),this.sheen&&this.sheen.isColor&&(r.sheen=this.sheen.getHex()),this.emissive&&this.emissive.isColor&&(r.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(r.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(r.specular=this.specular.getHex()),void 0!==this.shininess&&(r.shininess=this.shininess),void 0!==this.clearcoat&&(r.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(r.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(r.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(r.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(r.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,r.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(r.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(r.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(r.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(r.lightMap=this.lightMap.toJSON(e).uuid,r.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(r.aoMap=this.aoMap.toJSON(e).uuid,r.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(r.bumpMap=this.bumpMap.toJSON(e).uuid,r.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(r.normalMap=this.normalMap.toJSON(e).uuid,r.normalMapType=this.normalMapType,r.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(r.displacementMap=this.displacementMap.toJSON(e).uuid,r.displacementScale=this.displacementScale,r.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(r.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(r.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(r.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(r.specularMap=this.specularMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(r.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(r.combine=this.combine)),void 0!==this.envMapIntensity&&(r.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(r.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(r.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(r.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.size&&(r.size=this.size),null!==this.shadowSide&&(r.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(r.sizeAttenuation=this.sizeAttenuation),this.blending!==NormalBlending&&(r.blending=this.blending),this.side!==FrontSide&&(r.side=this.side),this.vertexColors&&(r.vertexColors=!0),this.opacity<1&&(r.opacity=this.opacity),!0===this.transparent&&(r.transparent=this.transparent),r.depthFunc=this.depthFunc,r.depthTest=this.depthTest,r.depthWrite=this.depthWrite,r.colorWrite=this.colorWrite,r.stencilWrite=this.stencilWrite,r.stencilWriteMask=this.stencilWriteMask,r.stencilFunc=this.stencilFunc,r.stencilRef=this.stencilRef,r.stencilFuncMask=this.stencilFuncMask,r.stencilFail=this.stencilFail,r.stencilZFail=this.stencilZFail,r.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(r.rotation=this.rotation),!0===this.polygonOffset&&(r.polygonOffset=!0),0!==this.polygonOffsetFactor&&(r.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(r.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(r.linewidth=this.linewidth),void 0!==this.dashSize&&(r.dashSize=this.dashSize),void 0!==this.gapSize&&(r.gapSize=this.gapSize),void 0!==this.scale&&(r.scale=this.scale),!0===this.dithering&&(r.dithering=!0),this.alphaTest>0&&(r.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(r.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(r.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(r.wireframe=this.wireframe),this.wireframeLinewidth>1&&(r.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(r.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(r.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(r.morphTargets=!0),!0===this.morphNormals&&(r.morphNormals=!0),!0===this.skinning&&(r.skinning=!0),!0===this.flatShading&&(r.flatShading=this.flatShading),!1===this.visible&&(r.visible=!1),!1===this.toneMapped&&(r.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(r.userData=this.userData),t){const t=n(e.textures),i=n(e.images);t.length>0&&(r.textures=t),i.length>0&&(r.images=i)}return r},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let r=null;if(null!==t){const e=t.length;r=new Array(e);for(let n=0;n!==e;++n)r[n]=t[n].clone()}return this.clippingPlanes=r,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(Material.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}});const _colorKeywords={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},_hslA={h:0,s:0,l:0},_hslB={h:0,s:0,l:0};function hue2rgb(e,t,r){return r<0&&(r+=1),r>1&&(r-=1),r<1/6?e+6*(t-e)*r:r<.5?t:r<2/3?e+6*(t-e)*(2/3-r):e}function SRGBToLinear(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function LinearToSRGB(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}class Color{constructor(e,t,r){return void 0===t&&void 0===r?this.set(e):this.setRGB(e,t,r)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this}setRGB(e,t,r){return this.r=e,this.g=t,this.b=r,this}setHSL(e,t,r){if(e=euclideanModulo(e,1),t=clamp(t,0,1),r=clamp(r,0,1),0===t)this.r=this.g=this.b=r;else{const n=r<=.5?r*(1+t):r+t-r*t,i=2*r-n;this.r=hue2rgb(i,n,e+1/3),this.g=hue2rgb(i,n,e),this.b=hue2rgb(i,n,e-1/3)}return this}setStyle(e){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let r;if(r=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let e;const n=r[1],i=r[2];switch(n){case"rgb":case"rgba":if(e=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i))return this.r=Math.min(255,parseInt(e[1],10))/255,this.g=Math.min(255,parseInt(e[2],10))/255,this.b=Math.min(255,parseInt(e[3],10))/255,t(e[4]),this;if(e=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i))return this.r=Math.min(100,parseInt(e[1],10))/100,this.g=Math.min(100,parseInt(e[2],10))/100,this.b=Math.min(100,parseInt(e[3],10))/100,t(e[4]),this;break;case"hsl":case"hsla":if(e=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i)){const r=parseFloat(e[1])/360,n=parseInt(e[2],10)/100,i=parseInt(e[3],10)/100;return t(e[4]),this.setHSL(r,n,i)}}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){const e=r[1],t=e.length;if(3===t)return this.r=parseInt(e.charAt(0)+e.charAt(0),16)/255,this.g=parseInt(e.charAt(1)+e.charAt(1),16)/255,this.b=parseInt(e.charAt(2)+e.charAt(2),16)/255,this;if(6===t)return this.r=parseInt(e.charAt(0)+e.charAt(1),16)/255,this.g=parseInt(e.charAt(2)+e.charAt(3),16)/255,this.b=parseInt(e.charAt(4)+e.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){const t=_colorKeywords[e.toLowerCase()];return void 0!==t?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){const r=t>0?1/t:1;return this.r=Math.pow(e.r,r),this.g=Math.pow(e.g,r),this.b=Math.pow(e.b,r),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=SRGBToLinear(e.r),this.g=SRGBToLinear(e.g),this.b=SRGBToLinear(e.b),this}copyLinearToSRGB(e){return this.r=LinearToSRGB(e.r),this.g=LinearToSRGB(e.g),this.b=LinearToSRGB(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){void 0===e&&(console.warn("THREE.Color: .getHSL() target is now required"),e={h:0,s:0,l:0});const t=this.r,r=this.g,n=this.b,i=Math.max(t,r,n),a=Math.min(t,r,n);let o,s;const l=(a+i)/2;if(a===i)o=0,s=0;else{const e=i-a;switch(s=l<=.5?e/(i+a):e/(2-i-a),i){case t:o=(r-n)/e+(r<n?6:0);break;case r:o=(n-t)/e+2;break;case n:o=(t-r)/e+4}o/=6}return e.h=o,e.s=s,e.l=l,e}getStyle(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"}offsetHSL(e,t,r){return this.getHSL(_hslA),_hslA.h+=e,_hslA.s+=t,_hslA.l+=r,this.setHSL(_hslA.h,_hslA.s,_hslA.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,r){return this.r=e.r+(t.r-e.r)*r,this.g=e.g+(t.g-e.g)*r,this.b=e.b+(t.b-e.b)*r,this}lerpHSL(e,t){this.getHSL(_hslA),e.getHSL(_hslB);const r=lerp(_hslA.h,_hslB.h,t),n=lerp(_hslA.s,_hslB.s,t),i=lerp(_hslA.l,_hslB.l,t);return this.setHSL(r,n,i),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),!0===e.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}Color.NAMES=_colorKeywords,Color.prototype.isColor=!0,Color.prototype.r=1,Color.prototype.g=1,Color.prototype.b=1;class MeshBasicMaterial extends Material{constructor(e){super(),this.type="MeshBasicMaterial",this.color=new Color(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this}}MeshBasicMaterial.prototype.isMeshBasicMaterial=!0;const _vector$9=new Vector3,_vector2=new Vector2;class BufferAttribute{constructor(e,t,r){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===r,this.usage=StaticDrawUsage,this.updateRange={offset:0,count:-1},this.version=0,this.onUploadCallback=function(){}}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,r){e*=this.itemSize,r*=t.itemSize;for(let n=0,i=this.itemSize;n<i;n++)this.array[e+n]=t.array[r+n];return this}copyArray(e){return this.array.set(e),this}copyColorsArray(e){const t=this.array;let r=0;for(let n=0,i=e.length;n<i;n++){let i=e[n];void 0===i&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",n),i=new Color),t[r++]=i.r,t[r++]=i.g,t[r++]=i.b}return this}copyVector2sArray(e){const t=this.array;let r=0;for(let n=0,i=e.length;n<i;n++){let i=e[n];void 0===i&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",n),i=new Vector2),t[r++]=i.x,t[r++]=i.y}return this}copyVector3sArray(e){const t=this.array;let r=0;for(let n=0,i=e.length;n<i;n++){let i=e[n];void 0===i&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",n),i=new Vector3),t[r++]=i.x,t[r++]=i.y,t[r++]=i.z}return this}copyVector4sArray(e){const t=this.array;let r=0;for(let n=0,i=e.length;n<i;n++){let i=e[n];void 0===i&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",n),i=new Vector4),t[r++]=i.x,t[r++]=i.y,t[r++]=i.z,t[r++]=i.w}return this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,r=this.count;t<r;t++)_vector2.fromBufferAttribute(this,t),_vector2.applyMatrix3(e),this.setXY(t,_vector2.x,_vector2.y);else if(3===this.itemSize)for(let t=0,r=this.count;t<r;t++)_vector$9.fromBufferAttribute(this,t),_vector$9.applyMatrix3(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}applyMatrix4(e){for(let t=0,r=this.count;t<r;t++)_vector$9.x=this.getX(t),_vector$9.y=this.getY(t),_vector$9.z=this.getZ(t),_vector$9.applyMatrix4(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}applyNormalMatrix(e){for(let t=0,r=this.count;t<r;t++)_vector$9.x=this.getX(t),_vector$9.y=this.getY(t),_vector$9.z=this.getZ(t),_vector$9.applyNormalMatrix(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}transformDirection(e){for(let t=0,r=this.count;t<r;t++)_vector$9.x=this.getX(t),_vector$9.y=this.getY(t),_vector$9.z=this.getZ(t),_vector$9.transformDirection(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){return this.array[e*this.itemSize]}setX(e,t){return this.array[e*this.itemSize]=t,this}getY(e){return this.array[e*this.itemSize+1]}setY(e,t){return this.array[e*this.itemSize+1]=t,this}getZ(e){return this.array[e*this.itemSize+2]}setZ(e,t){return this.array[e*this.itemSize+2]=t,this}getW(e){return this.array[e*this.itemSize+3]}setW(e,t){return this.array[e*this.itemSize+3]=t,this}setXY(e,t,r){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=r,this}setXYZ(e,t,r,n){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=r,this.array[e+2]=n,this}setXYZW(e,t,r,n,i){return e*=this.itemSize,this.array[e+0]=t,this.array[e+1]=r,this.array[e+2]=n,this.array[e+3]=i,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==StaticDrawUsage&&(e.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(e.updateRange=this.updateRange),e}}BufferAttribute.prototype.isBufferAttribute=!0;class Int8BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Int8Array(e),t,r)}}class Uint8BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Uint8Array(e),t,r)}}class Uint8ClampedBufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Uint8ClampedArray(e),t,r)}}class Int16BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Int16Array(e),t,r)}}class Uint16BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Uint16Array(e),t,r)}}class Int32BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Int32Array(e),t,r)}}class Uint32BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Uint32Array(e),t,r)}}class Float16BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Uint16Array(e),t,r)}}Float16BufferAttribute.prototype.isFloat16BufferAttribute=!0;class Float32BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Float32Array(e),t,r)}}class Float64BufferAttribute extends BufferAttribute{constructor(e,t,r){super(new Float64Array(e),t,r)}}function arrayMax(e){if(0===e.length)return-1/0;let t=e[0];for(let r=1,n=e.length;r<n;++r)e[r]>t&&(t=e[r]);return t}const TYPED_ARRAYS={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function getTypedArray(e,t){return new TYPED_ARRAYS[e](t)}let _id=0;const _m1=new Matrix4,_obj=new Object3D,_offset=new Vector3,_box$1=new Box3,_boxMorphTargets=new Box3,_vector$8=new Vector3;class BufferGeometry extends EventDispatcher{constructor(){super(),Object.defineProperty(this,"id",{value:_id++}),this.uuid=generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(arrayMax(e)>65535?Uint32BufferAttribute:Uint16BufferAttribute)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,r=0){this.groups.push({start:e,count:t,materialIndex:r})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const r=this.attributes.normal;if(void 0!==r){const t=(new Matrix3).getNormalMatrix(e);r.applyNormalMatrix(t),r.needsUpdate=!0}const n=this.attributes.tangent;return void 0!==n&&(n.transformDirection(e),n.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}rotateX(e){return _m1.makeRotationX(e),this.applyMatrix4(_m1),this}rotateY(e){return _m1.makeRotationY(e),this.applyMatrix4(_m1),this}rotateZ(e){return _m1.makeRotationZ(e),this.applyMatrix4(_m1),this}translate(e,t,r){return _m1.makeTranslation(e,t,r),this.applyMatrix4(_m1),this}scale(e,t,r){return _m1.makeScale(e,t,r),this.applyMatrix4(_m1),this}lookAt(e){return _obj.lookAt(e),_obj.updateMatrix(),this.applyMatrix4(_obj.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(_offset).negate(),this.translate(_offset.x,_offset.y,_offset.z),this}setFromPoints(e){const t=[];for(let r=0,n=e.length;r<n;r++){const n=e[r];t.push(n.x,n.y,n.z||0)}return this.setAttribute("position",new Float32BufferAttribute(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Box3);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new Vector3(-1/0,-1/0,-1/0),new Vector3(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,r=t.length;e<r;e++){const r=t[e];_box$1.setFromBufferAttribute(r),this.morphTargetsRelative?(_vector$8.addVectors(this.boundingBox.min,_box$1.min),this.boundingBox.expandByPoint(_vector$8),_vector$8.addVectors(this.boundingBox.max,_box$1.max),this.boundingBox.expandByPoint(_vector$8)):(this.boundingBox.expandByPoint(_box$1.min),this.boundingBox.expandByPoint(_box$1.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Sphere);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new Vector3,1/0);if(e){const r=this.boundingSphere.center;if(_box$1.setFromBufferAttribute(e),t)for(let e=0,r=t.length;e<r;e++){const r=t[e];_boxMorphTargets.setFromBufferAttribute(r),this.morphTargetsRelative?(_vector$8.addVectors(_box$1.min,_boxMorphTargets.min),_box$1.expandByPoint(_vector$8),_vector$8.addVectors(_box$1.max,_boxMorphTargets.max),_box$1.expandByPoint(_vector$8)):(_box$1.expandByPoint(_boxMorphTargets.min),_box$1.expandByPoint(_boxMorphTargets.max))}_box$1.getCenter(r);let n=0;for(let t=0,i=e.count;t<i;t++)_vector$8.fromBufferAttribute(e,t),n=Math.max(n,r.distanceToSquared(_vector$8));if(t)for(let i=0,a=t.length;i<a;i++){const a=t[i],o=this.morphTargetsRelative;for(let t=0,i=a.count;t<i;t++)_vector$8.fromBufferAttribute(a,t),o&&(_offset.fromBufferAttribute(e,t),_vector$8.add(_offset)),n=Math.max(n,r.distanceToSquared(_vector$8))}this.boundingSphere.radius=Math.sqrt(n),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeFaceNormals(){}computeTangents(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const r=e.array,n=t.position.array,i=t.normal.array,a=t.uv.array,o=n.length/3;void 0===t.tangent&&this.setAttribute("tangent",new BufferAttribute(new Float32Array(4*o),4));const s=t.tangent.array,l=[],c=[];for(let e=0;e<o;e++)l[e]=new Vector3,c[e]=new Vector3;const h=new Vector3,u=new Vector3,d=new Vector3,p=new Vector2,m=new Vector2,f=new Vector2,g=new Vector3,v=new Vector3;function _(e,t,r){h.fromArray(n,3*e),u.fromArray(n,3*t),d.fromArray(n,3*r),p.fromArray(a,2*e),m.fromArray(a,2*t),f.fromArray(a,2*r),u.sub(h),d.sub(h),m.sub(p),f.sub(p);const i=1/(m.x*f.y-f.x*m.y);isFinite(i)&&(g.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(i),v.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(i),l[e].add(g),l[t].add(g),l[r].add(g),c[e].add(v),c[t].add(v),c[r].add(v))}let y=this.groups;0===y.length&&(y=[{start:0,count:r.length}]);for(let e=0,t=y.length;e<t;++e){const t=y[e],n=t.start;for(let e=n,i=n+t.count;e<i;e+=3)_(r[e+0],r[e+1],r[e+2])}const x=new Vector3,b=new Vector3,M=new Vector3,w=new Vector3;function S(e){M.fromArray(i,3*e),w.copy(M);const t=l[e];x.copy(t),x.sub(M.multiplyScalar(M.dot(t))).normalize(),b.crossVectors(w,t);const r=b.dot(c[e])<0?-1:1;s[4*e]=x.x,s[4*e+1]=x.y,s[4*e+2]=x.z,s[4*e+3]=r}for(let e=0,t=y.length;e<t;++e){const t=y[e],n=t.start;for(let e=n,i=n+t.count;e<i;e+=3)S(r[e+0]),S(r[e+1]),S(r[e+2])}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let r=this.getAttribute("normal");if(void 0===r)r=new BufferAttribute(new Float32Array(3*t.count),3),this.setAttribute("normal",r);else for(let e=0,t=r.count;e<t;e++)r.setXYZ(e,0,0,0);const n=new Vector3,i=new Vector3,a=new Vector3,o=new Vector3,s=new Vector3,l=new Vector3,c=new Vector3,h=new Vector3;if(e)for(let u=0,d=e.count;u<d;u+=3){const d=e.getX(u+0),p=e.getX(u+1),m=e.getX(u+2);n.fromBufferAttribute(t,d),i.fromBufferAttribute(t,p),a.fromBufferAttribute(t,m),c.subVectors(a,i),h.subVectors(n,i),c.cross(h),o.fromBufferAttribute(r,d),s.fromBufferAttribute(r,p),l.fromBufferAttribute(r,m),o.add(c),s.add(c),l.add(c),r.setXYZ(d,o.x,o.y,o.z),r.setXYZ(p,s.x,s.y,s.z),r.setXYZ(m,l.x,l.y,l.z)}else for(let e=0,o=t.count;e<o;e+=3)n.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,i),h.subVectors(n,i),c.cross(h),r.setXYZ(e+0,c.x,c.y,c.z),r.setXYZ(e+1,c.x,c.y,c.z),r.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),r.needsUpdate=!0}}merge(e,t){if(!e||!e.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",e);void 0===t&&(t=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const r=this.attributes;for(const n in r){if(void 0===e.attributes[n])continue;const i=r[n].array,a=e.attributes[n],o=a.array,s=a.itemSize*t,l=Math.min(o.length,i.length-s);for(let e=0,t=s;e<l;e++,t++)i[t]=o[e]}return this}normalizeNormals(){const e=this.attributes.normal;for(let t=0,r=e.count;t<r;t++)_vector$8.fromBufferAttribute(e,t),_vector$8.normalize(),e.setXYZ(t,_vector$8.x,_vector$8.y,_vector$8.z)}toNonIndexed(){function e(e,t){const r=e.array,n=e.itemSize,i=e.normalized,a=new r.constructor(t.length*n);let o=0,s=0;for(let e=0,i=t.length;e<i;e++){o=t[e]*n;for(let e=0;e<n;e++)a[s++]=r[o++]}return new BufferAttribute(a,n,i)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new BufferGeometry,r=this.index.array,n=this.attributes;for(const i in n){const a=e(n[i],r);t.setAttribute(i,a)}const i=this.morphAttributes;for(const n in i){const a=[],o=i[n];for(let t=0,n=o.length;t<n;t++){const n=e(o[t],r);a.push(n)}t.morphAttributes[n]=a}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let e=0,r=a.length;e<r;e++){const r=a[e];t.addGroup(r.start,r.count,r.materialIndex)}return t}toJSON(){const e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const r in t)void 0!==t[r]&&(e[r]=t[r]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const r=this.attributes;for(const t in r){const n=r[t];e.data.attributes[t]=n.toJSON(e.data)}const n={};let i=!1;for(const t in this.morphAttributes){const r=this.morphAttributes[t],a=[];for(let t=0,n=r.length;t<n;t++){const n=r[t];a.push(n.toJSON(e.data))}a.length>0&&(n[t]=a,i=!0)}i&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return null!==o&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return(new BufferGeometry).copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const r=e.index;null!==r&&this.setIndex(r.clone(t));const n=e.attributes;for(const e in n){const r=n[e];this.setAttribute(e,r.clone(t))}const i=e.morphAttributes;for(const e in i){const r=[],n=i[e];for(let e=0,i=n.length;e<i;e++)r.push(n[e].clone(t));this.morphAttributes[e]=r}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let e=0,t=a.length;e<t;e++){const t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}const o=e.boundingBox;null!==o&&(this.boundingBox=o.clone());const s=e.boundingSphere;return null!==s&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}BufferGeometry.prototype.isBufferGeometry=!0;const _inverseMatrix$2=new Matrix4,_ray$2=new Ray,_sphere$3=new Sphere,_vA$1=new Vector3,_vB$1=new Vector3,_vC$1=new Vector3,_tempA=new Vector3,_tempB=new Vector3,_tempC=new Vector3,_morphA=new Vector3,_morphB=new Vector3,_morphC=new Vector3,_uvA$1=new Vector2,_uvB$1=new Vector2,_uvC$1=new Vector2,_intersectionPoint=new Vector3,_intersectionPointWorld=new Vector3;class Mesh extends Object3D{constructor(e=new BufferGeometry,t=new MeshBasicMaterial){super(),this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,r=Object.keys(t);if(r.length>0){const e=t[r[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,r=e.length;t<r;t++){const r=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[r]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(e,t){const r=this.geometry,n=this.material,i=this.matrixWorld;if(void 0===n)return;if(null===r.boundingSphere&&r.computeBoundingSphere(),_sphere$3.copy(r.boundingSphere),_sphere$3.applyMatrix4(i),!1===e.ray.intersectsSphere(_sphere$3))return;if(_inverseMatrix$2.copy(i).invert(),_ray$2.copy(e.ray).applyMatrix4(_inverseMatrix$2),null!==r.boundingBox&&!1===_ray$2.intersectsBox(r.boundingBox))return;let a;if(r.isBufferGeometry){const i=r.index,o=r.attributes.position,s=r.morphAttributes.position,l=r.morphTargetsRelative,c=r.attributes.uv,h=r.attributes.uv2,u=r.groups,d=r.drawRange;if(null!==i)if(Array.isArray(n))for(let r=0,p=u.length;r<p;r++){const p=u[r],m=n[p.materialIndex];for(let r=Math.max(p.start,d.start),n=Math.min(p.start+p.count,d.start+d.count);r<n;r+=3){const n=i.getX(r),u=i.getX(r+1),d=i.getX(r+2);(a=checkBufferGeometryIntersection(this,m,e,_ray$2,o,s,l,c,h,n,u,d))&&(a.faceIndex=Math.floor(r/3),a.face.materialIndex=p.materialIndex,t.push(a))}}else{for(let r=Math.max(0,d.start),u=Math.min(i.count,d.start+d.count);r<u;r+=3){const u=i.getX(r),d=i.getX(r+1),p=i.getX(r+2);(a=checkBufferGeometryIntersection(this,n,e,_ray$2,o,s,l,c,h,u,d,p))&&(a.faceIndex=Math.floor(r/3),t.push(a))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,i=u.length;r<i;r++){const i=u[r],p=n[i.materialIndex];for(let r=Math.max(i.start,d.start),n=Math.min(i.start+i.count,d.start+d.count);r<n;r+=3){(a=checkBufferGeometryIntersection(this,p,e,_ray$2,o,s,l,c,h,r,r+1,r+2))&&(a.faceIndex=Math.floor(r/3),a.face.materialIndex=i.materialIndex,t.push(a))}}else{for(let r=Math.max(0,d.start),i=Math.min(o.count,d.start+d.count);r<i;r+=3){(a=checkBufferGeometryIntersection(this,n,e,_ray$2,o,s,l,c,h,r,r+1,r+2))&&(a.faceIndex=Math.floor(r/3),t.push(a))}}}else r.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}function checkIntersection(e,t,r,n,i,a,o,s){let l;if(null===(l=t.side===BackSide?n.intersectTriangle(o,a,i,!0,s):n.intersectTriangle(i,a,o,t.side!==DoubleSide,s)))return null;_intersectionPointWorld.copy(s),_intersectionPointWorld.applyMatrix4(e.matrixWorld);const c=r.ray.origin.distanceTo(_intersectionPointWorld);return c<r.near||c>r.far?null:{distance:c,point:_intersectionPointWorld.clone(),object:e}}function checkBufferGeometryIntersection(e,t,r,n,i,a,o,s,l,c,h,u){_vA$1.fromBufferAttribute(i,c),_vB$1.fromBufferAttribute(i,h),_vC$1.fromBufferAttribute(i,u);const d=e.morphTargetInfluences;if(t.morphTargets&&a&&d){_morphA.set(0,0,0),_morphB.set(0,0,0),_morphC.set(0,0,0);for(let e=0,t=a.length;e<t;e++){const t=d[e],r=a[e];0!==t&&(_tempA.fromBufferAttribute(r,c),_tempB.fromBufferAttribute(r,h),_tempC.fromBufferAttribute(r,u),o?(_morphA.addScaledVector(_tempA,t),_morphB.addScaledVector(_tempB,t),_morphC.addScaledVector(_tempC,t)):(_morphA.addScaledVector(_tempA.sub(_vA$1),t),_morphB.addScaledVector(_tempB.sub(_vB$1),t),_morphC.addScaledVector(_tempC.sub(_vC$1),t)))}_vA$1.add(_morphA),_vB$1.add(_morphB),_vC$1.add(_morphC)}e.isSkinnedMesh&&t.skinning&&(e.boneTransform(c,_vA$1),e.boneTransform(h,_vB$1),e.boneTransform(u,_vC$1));const p=checkIntersection(e,t,r,n,_vA$1,_vB$1,_vC$1,_intersectionPoint);if(p){s&&(_uvA$1.fromBufferAttribute(s,c),_uvB$1.fromBufferAttribute(s,h),_uvC$1.fromBufferAttribute(s,u),p.uv=Triangle.getUV(_intersectionPoint,_vA$1,_vB$1,_vC$1,_uvA$1,_uvB$1,_uvC$1,new Vector2)),l&&(_uvA$1.fromBufferAttribute(l,c),_uvB$1.fromBufferAttribute(l,h),_uvC$1.fromBufferAttribute(l,u),p.uv2=Triangle.getUV(_intersectionPoint,_vA$1,_vB$1,_vC$1,_uvA$1,_uvB$1,_uvC$1,new Vector2));const e={a:c,b:h,c:u,normal:new Vector3,materialIndex:0};Triangle.getNormal(_vA$1,_vB$1,_vC$1,e.normal),p.face=e}return p}Mesh.prototype.isMesh=!0;class BoxGeometry extends BufferGeometry{constructor(e=1,t=1,r=1,n=1,i=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:r,widthSegments:n,heightSegments:i,depthSegments:a};const o=this;n=Math.floor(n),i=Math.floor(i),a=Math.floor(a);const s=[],l=[],c=[],h=[];let u=0,d=0;function p(e,t,r,n,i,a,p,m,f,g,v){const _=a/f,y=p/g,x=a/2,b=p/2,M=m/2,w=f+1,S=g+1;let T=0,E=0;const A=new Vector3;for(let a=0;a<S;a++){const o=a*y-b;for(let s=0;s<w;s++){const u=s*_-x;A[e]=u*n,A[t]=o*i,A[r]=M,l.push(A.x,A.y,A.z),A[e]=0,A[t]=0,A[r]=m>0?1:-1,c.push(A.x,A.y,A.z),h.push(s/f),h.push(1-a/g),T+=1}}for(let e=0;e<g;e++)for(let t=0;t<f;t++){const r=u+t+w*e,n=u+t+w*(e+1),i=u+(t+1)+w*(e+1),a=u+(t+1)+w*e;s.push(r,n,a),s.push(n,i,a),E+=6}o.addGroup(d,E,v),d+=E,u+=T}p("z","y","x",-1,-1,r,t,e,a,i,0),p("z","y","x",1,-1,r,t,-e,a,i,1),p("x","z","y",1,1,e,r,t,n,a,2),p("x","z","y",1,-1,e,r,-t,n,a,3),p("x","y","z",1,-1,e,t,r,n,i,4),p("x","y","z",-1,-1,e,t,-r,n,i,5),this.setIndex(s),this.setAttribute("position",new Float32BufferAttribute(l,3)),this.setAttribute("normal",new Float32BufferAttribute(c,3)),this.setAttribute("uv",new Float32BufferAttribute(h,2))}}function cloneUniforms(e){const t={};for(const r in e){t[r]={};for(const n in e[r]){const i=e[r][n];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?t[r][n]=i.clone():Array.isArray(i)?t[r][n]=i.slice():t[r][n]=i}}return t}function mergeUniforms(e){const t={};for(let r=0;r<e.length;r++){const n=cloneUniforms(e[r]);for(const e in n)t[e]=n[e]}return t}const UniformsUtils={clone:cloneUniforms,merge:mergeUniforms};var default_vertex="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",default_fragment="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";class ShaderMaterial extends Material{constructor(e){super(),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader=default_vertex,this.fragmentShader=default_fragment,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&(void 0!==e.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(e))}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=cloneUniforms(e.uniforms),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.lights=e.lights,this.clipping=e.clipping,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const r in this.uniforms){const n=this.uniforms[r].value;n&&n.isTexture?t.uniforms[r]={type:"t",value:n.toJSON(e).uuid}:n&&n.isColor?t.uniforms[r]={type:"c",value:n.getHex()}:n&&n.isVector2?t.uniforms[r]={type:"v2",value:n.toArray()}:n&&n.isVector3?t.uniforms[r]={type:"v3",value:n.toArray()}:n&&n.isVector4?t.uniforms[r]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?t.uniforms[r]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?t.uniforms[r]={type:"m4",value:n.toArray()}:t.uniforms[r]={value:n}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const r={};for(const e in this.extensions)!0===this.extensions[e]&&(r[e]=!0);return Object.keys(r).length>0&&(t.extensions=r),t}}ShaderMaterial.prototype.isShaderMaterial=!0;class Camera extends Object3D{constructor(){super(),this.type="Camera",this.matrixWorldInverse=new Matrix4,this.projectionMatrix=new Matrix4,this.projectionMatrixInverse=new Matrix4}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new Vector3),this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}Camera.prototype.isCamera=!0;class PerspectiveCamera extends Camera{constructor(e=50,t=1,r=.1,n=2e3){super(),this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=r,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=2*RAD2DEG*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(.5*DEG2RAD*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*RAD2DEG*Math.atan(Math.tan(.5*DEG2RAD*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,r,n,i,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=r,this.view.offsetY=n,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(.5*DEG2RAD*this.fov)/this.zoom,r=2*t,n=this.aspect*r,i=-.5*n;const a=this.view;if(null!==this.view&&this.view.enabled){const e=a.fullWidth,o=a.fullHeight;i+=a.offsetX*n/e,t-=a.offsetY*r/o,n*=a.width/e,r*=a.height/o}const o=this.filmOffset;0!==o&&(i+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+n,t,t-r,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}PerspectiveCamera.prototype.isPerspectiveCamera=!0;const fov=90,aspect=1;class CubeCamera extends Object3D{constructor(e,t,r){if(super(),this.type="CubeCamera",!0!==r.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=r;const n=new PerspectiveCamera(fov,aspect,e,t);n.layers=this.layers,n.up.set(0,-1,0),n.lookAt(new Vector3(1,0,0)),this.add(n);const i=new PerspectiveCamera(fov,aspect,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Vector3(-1,0,0)),this.add(i);const a=new PerspectiveCamera(fov,aspect,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new Vector3(0,1,0)),this.add(a);const o=new PerspectiveCamera(fov,aspect,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new Vector3(0,-1,0)),this.add(o);const s=new PerspectiveCamera(fov,aspect,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Vector3(0,0,1)),this.add(s);const l=new PerspectiveCamera(fov,aspect,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Vector3(0,0,-1)),this.add(l)}update(e,t){null===this.parent&&this.updateMatrixWorld();const r=this.renderTarget,[n,i,a,o,s,l]=this.children,c=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;const u=r.texture.generateMipmaps;r.texture.generateMipmaps=!1,e.setRenderTarget(r,0),e.render(t,n),e.setRenderTarget(r,1),e.render(t,i),e.setRenderTarget(r,2),e.render(t,a),e.setRenderTarget(r,3),e.render(t,o),e.setRenderTarget(r,4),e.render(t,s),r.texture.generateMipmaps=u,e.setRenderTarget(r,5),e.render(t,l),e.setRenderTarget(h),e.xr.enabled=c}}class CubeTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l,c){super(e=void 0!==e?e:[],t=void 0!==t?t:CubeReflectionMapping,r,n,i,a,o=void 0!==o?o:RGBFormat,s,l,c),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}CubeTexture.prototype.isCubeTexture=!0;class WebGLCubeRenderTarget extends WebGLRenderTarget{constructor(e,t,r){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=r),super(e,e,t),t=t||{},this.texture=new CubeTexture(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:LinearFilter,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=RGBAFormat,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const r={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},n=new BoxGeometry(5,5,5),i=new ShaderMaterial({name:"CubemapFromEquirect",uniforms:cloneUniforms(r.uniforms),vertexShader:r.vertexShader,fragmentShader:r.fragmentShader,side:BackSide,blending:NoBlending});i.uniforms.tEquirect.value=t;const a=new Mesh(n,i),o=t.minFilter;return t.minFilter===LinearMipmapLinearFilter&&(t.minFilter=LinearFilter),new CubeCamera(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,r,n){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,n);e.setRenderTarget(i)}}WebGLCubeRenderTarget.prototype.isWebGLCubeRenderTarget=!0;class DataTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l,c,h,u){super(null,a,o,s,l,c,n,i,h,u),this.image={data:e||null,width:t||1,height:r||1},this.magFilter=void 0!==l?l:NearestFilter,this.minFilter=void 0!==c?c:NearestFilter,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}DataTexture.prototype.isDataTexture=!0;const _sphere$2=new Sphere,_vector$7=new Vector3;class Frustum{constructor(e=new Plane,t=new Plane,r=new Plane,n=new Plane,i=new Plane,a=new Plane){this.planes=[e,t,r,n,i,a]}set(e,t,r,n,i,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(r),o[3].copy(n),o[4].copy(i),o[5].copy(a),this}copy(e){const t=this.planes;for(let r=0;r<6;r++)t[r].copy(e.planes[r]);return this}setFromProjectionMatrix(e){const t=this.planes,r=e.elements,n=r[0],i=r[1],a=r[2],o=r[3],s=r[4],l=r[5],c=r[6],h=r[7],u=r[8],d=r[9],p=r[10],m=r[11],f=r[12],g=r[13],v=r[14],_=r[15];return t[0].setComponents(o-n,h-s,m-u,_-f).normalize(),t[1].setComponents(o+n,h+s,m+u,_+f).normalize(),t[2].setComponents(o+i,h+l,m+d,_+g).normalize(),t[3].setComponents(o-i,h-l,m-d,_-g).normalize(),t[4].setComponents(o-a,h-c,m-p,_-v).normalize(),t[5].setComponents(o+a,h+c,m+p,_+v).normalize(),this}intersectsObject(e){const t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),_sphere$2.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(_sphere$2)}intersectsSprite(e){return _sphere$2.center.set(0,0,0),_sphere$2.radius=.7071067811865476,_sphere$2.applyMatrix4(e.matrixWorld),this.intersectsSphere(_sphere$2)}intersectsSphere(e){const t=this.planes,r=e.center,n=-e.radius;for(let e=0;e<6;e++){if(t[e].distanceToPoint(r)<n)return!1}return!0}intersectsBox(e){const t=this.planes;for(let r=0;r<6;r++){const n=t[r];if(_vector$7.x=n.normal.x>0?e.max.x:e.min.x,_vector$7.y=n.normal.y>0?e.max.y:e.min.y,_vector$7.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(_vector$7)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let r=0;r<6;r++)if(t[r].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function WebGLAnimation(){let e=null,t=!1,r=null,n=null;function i(t,a){r(t,a),n=e.requestAnimationFrame(i)}return{start:function(){!0!==t&&null!==r&&(n=e.requestAnimationFrame(i),t=!0)},stop:function(){e.cancelAnimationFrame(n),t=!1},setAnimationLoop:function(e){r=e},setContext:function(t){e=t}}}function WebGLAttributes(e,t){const r=t.isWebGL2,n=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),n.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);const r=n.get(t);r&&(e.deleteBuffer(r.buffer),n.delete(t))},update:function(t,i){if(t.isGLBufferAttribute){const e=n.get(t);return void((!e||e.version<t.version)&&n.set(t,{buffer:t.buffer,type:t.type,bytesPerElement:t.elementSize,version:t.version}))}t.isInterleavedBufferAttribute&&(t=t.data);const a=n.get(t);void 0===a?n.set(t,function(t,n){const i=t.array,a=t.usage,o=e.createBuffer();e.bindBuffer(n,o),e.bufferData(n,i,a),t.onUploadCallback();let s=5126;return i instanceof Float32Array?s=5126:i instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):i instanceof Uint16Array?t.isFloat16BufferAttribute?r?s=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):s=5123:i instanceof Int16Array?s=5122:i instanceof Uint32Array?s=5125:i instanceof Int32Array?s=5124:i instanceof Int8Array?s=5120:i instanceof Uint8Array&&(s=5121),{buffer:o,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version}}(t,i)):a.version<t.version&&(function(t,n,i){const a=n.array,o=n.updateRange;e.bindBuffer(i,t),-1===o.count?e.bufferSubData(i,0,a):(r?e.bufferSubData(i,o.offset*a.BYTES_PER_ELEMENT,a,o.offset,o.count):e.bufferSubData(i,o.offset*a.BYTES_PER_ELEMENT,a.subarray(o.offset,o.offset+o.count)),o.count=-1)}(a.buffer,t,i),a.version=t.version)}}}class PlaneGeometry extends BufferGeometry{constructor(e=1,t=1,r=1,n=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:r,heightSegments:n};const i=e/2,a=t/2,o=Math.floor(r),s=Math.floor(n),l=o+1,c=s+1,h=e/o,u=t/s,d=[],p=[],m=[],f=[];for(let e=0;e<c;e++){const t=e*u-a;for(let r=0;r<l;r++){const n=r*h-i;p.push(n,-t,0),m.push(0,0,1),f.push(r/o),f.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<o;t++){const r=t+l*e,n=t+l*(e+1),i=t+1+l*(e+1),a=t+1+l*e;d.push(r,n,a),d.push(n,i,a)}this.setIndex(d),this.setAttribute("position",new Float32BufferAttribute(p,3)),this.setAttribute("normal",new Float32BufferAttribute(m,3)),this.setAttribute("uv",new Float32BufferAttribute(f,2))}}var alphamap_fragment="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment="#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif",aomap_fragment="#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif",aomap_pars_fragment="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex="vec3 transformed = vec3( position );",beginnormal_vertex="vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs="vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment="#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment="#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex="#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment="#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex="#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common="#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\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 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment="#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex="vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex="#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex="#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment="#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment="#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment="gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment="\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn 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.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\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\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\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\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_vertex="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex="#ifdef USE_FOG\n\tfogDepth = - mvPosition.z;\n#endif",fog_pars_vertex="#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment="#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment="#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment="#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex="vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin="uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",envmap_physical_pars_fragment="#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",lights_toon_fragment="ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment="varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment="varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment="PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment="struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin="\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps="#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end="#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment="#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment="#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment="float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment="#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex="#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex="#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\t\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\t\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex="#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin="float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps="#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normalmap_pars_fragment="#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin="#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps="#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment="#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing="vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment="#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex="vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment="#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment="#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment="float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment="#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment="float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex="#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex="#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\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\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex="#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex="#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment="float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment="#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment="#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment="#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmissionmap_fragment="#ifdef USE_TRANSMISSIONMAP\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n#endif",transmissionmap_pars_fragment="#ifdef USE_TRANSMISSIONMAP\n\tuniform sampler2D transmissionMap;\n#endif",uv_pars_fragment="#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex="#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex="#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex="#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag="uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",background_vert="varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag="#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",depth_frag="#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert="#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag="#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert="#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag="uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",equirect_vert="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",linedashed_frag="uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",linedashed_vert="uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshbasic_vert="#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag="uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert="#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshmatcap_frag="#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert="#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag="#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert="#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag="#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphong_vert="#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphysical_frag="#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert="#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",normal_frag="#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert="#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",points_vert="uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",shadow_frag="uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",shadow_vert="#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",sprite_frag="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert="uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}";const ShaderChunk={alphamap_fragment:alphamap_fragment,alphamap_pars_fragment:alphamap_pars_fragment,alphatest_fragment:alphatest_fragment,aomap_fragment:aomap_fragment,aomap_pars_fragment:aomap_pars_fragment,begin_vertex:begin_vertex,beginnormal_vertex:beginnormal_vertex,bsdfs:bsdfs,bumpmap_pars_fragment:bumpmap_pars_fragment,clipping_planes_fragment:clipping_planes_fragment,clipping_planes_pars_fragment:clipping_planes_pars_fragment,clipping_planes_pars_vertex:clipping_planes_pars_vertex,clipping_planes_vertex:clipping_planes_vertex,color_fragment:color_fragment,color_pars_fragment:color_pars_fragment,color_pars_vertex:color_pars_vertex,color_vertex:color_vertex,common:common,cube_uv_reflection_fragment:cube_uv_reflection_fragment,defaultnormal_vertex:defaultnormal_vertex,displacementmap_pars_vertex:displacementmap_pars_vertex,displacementmap_vertex:displacementmap_vertex,emissivemap_fragment:emissivemap_fragment,emissivemap_pars_fragment:emissivemap_pars_fragment,encodings_fragment:encodings_fragment,encodings_pars_fragment:encodings_pars_fragment,envmap_fragment:envmap_fragment,envmap_common_pars_fragment:envmap_common_pars_fragment,envmap_pars_fragment:envmap_pars_fragment,envmap_pars_vertex:envmap_pars_vertex,envmap_physical_pars_fragment:envmap_physical_pars_fragment,envmap_vertex:envmap_vertex,fog_vertex:fog_vertex,fog_pars_vertex:fog_pars_vertex,fog_fragment:fog_fragment,fog_pars_fragment:fog_pars_fragment,gradientmap_pars_fragment:gradientmap_pars_fragment,lightmap_fragment:lightmap_fragment,lightmap_pars_fragment:lightmap_pars_fragment,lights_lambert_vertex:lights_lambert_vertex,lights_pars_begin:lights_pars_begin,lights_toon_fragment:lights_toon_fragment,lights_toon_pars_fragment:lights_toon_pars_fragment,lights_phong_fragment:lights_phong_fragment,lights_phong_pars_fragment:lights_phong_pars_fragment,lights_physical_fragment:lights_physical_fragment,lights_physical_pars_fragment:lights_physical_pars_fragment,lights_fragment_begin:lights_fragment_begin,lights_fragment_maps:lights_fragment_maps,lights_fragment_end:lights_fragment_end,logdepthbuf_fragment:logdepthbuf_fragment,logdepthbuf_pars_fragment:logdepthbuf_pars_fragment,logdepthbuf_pars_vertex:logdepthbuf_pars_vertex,logdepthbuf_vertex:logdepthbuf_vertex,map_fragment:map_fragment,map_pars_fragment:map_pars_fragment,map_particle_fragment:map_particle_fragment,map_particle_pars_fragment:map_particle_pars_fragment,metalnessmap_fragment:metalnessmap_fragment,metalnessmap_pars_fragment:metalnessmap_pars_fragment,morphnormal_vertex:morphnormal_vertex,morphtarget_pars_vertex:morphtarget_pars_vertex,morphtarget_vertex:morphtarget_vertex,normal_fragment_begin:normal_fragment_begin,normal_fragment_maps:normal_fragment_maps,normalmap_pars_fragment:normalmap_pars_fragment,clearcoat_normal_fragment_begin:clearcoat_normal_fragment_begin,clearcoat_normal_fragment_maps:clearcoat_normal_fragment_maps,clearcoat_pars_fragment:clearcoat_pars_fragment,packing:packing,premultiplied_alpha_fragment:premultiplied_alpha_fragment,project_vertex:project_vertex,dithering_fragment:dithering_fragment,dithering_pars_fragment:dithering_pars_fragment,roughnessmap_fragment:roughnessmap_fragment,roughnessmap_pars_fragment:roughnessmap_pars_fragment,shadowmap_pars_fragment:shadowmap_pars_fragment,shadowmap_pars_vertex:shadowmap_pars_vertex,shadowmap_vertex:shadowmap_vertex,shadowmask_pars_fragment:shadowmask_pars_fragment,skinbase_vertex:skinbase_vertex,skinning_pars_vertex:skinning_pars_vertex,skinning_vertex:skinning_vertex,skinnormal_vertex:skinnormal_vertex,specularmap_fragment:specularmap_fragment,specularmap_pars_fragment:specularmap_pars_fragment,tonemapping_fragment:tonemapping_fragment,tonemapping_pars_fragment:tonemapping_pars_fragment,transmissionmap_fragment:transmissionmap_fragment,transmissionmap_pars_fragment:transmissionmap_pars_fragment,uv_pars_fragment:uv_pars_fragment,uv_pars_vertex:uv_pars_vertex,uv_vertex:uv_vertex,uv2_pars_fragment:uv2_pars_fragment,uv2_pars_vertex:uv2_pars_vertex,uv2_vertex:uv2_vertex,worldpos_vertex:worldpos_vertex,background_frag:background_frag,background_vert:background_vert,cube_frag:cube_frag,cube_vert:cube_vert,depth_frag:depth_frag,depth_vert:depth_vert,distanceRGBA_frag:distanceRGBA_frag,distanceRGBA_vert:distanceRGBA_vert,equirect_frag:equirect_frag,equirect_vert:equirect_vert,linedashed_frag:linedashed_frag,linedashed_vert:linedashed_vert,meshbasic_frag:meshbasic_frag,meshbasic_vert:meshbasic_vert,meshlambert_frag:meshlambert_frag,meshlambert_vert:meshlambert_vert,meshmatcap_frag:meshmatcap_frag,meshmatcap_vert:meshmatcap_vert,meshtoon_frag:meshtoon_frag,meshtoon_vert:meshtoon_vert,meshphong_frag:meshphong_frag,meshphong_vert:meshphong_vert,meshphysical_frag:meshphysical_frag,meshphysical_vert:meshphysical_vert,normal_frag:normal_frag,normal_vert:normal_vert,points_frag:points_frag,points_vert:points_vert,shadow_frag:shadow_frag,shadow_vert:shadow_vert,sprite_frag:sprite_frag,sprite_vert:sprite_vert},UniformsLib={common:{diffuse:{value:new 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n;switch(r){case"WEBGL_depth_texture":n=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":n=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":n=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":n=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:n=e.getExtension(r)}return t[r]=n,n}return{has:function(e){return null!==r(e)},init:function(e){e.isWebGL2?r("EXT_color_buffer_float"):(r("WEBGL_depth_texture"),r("OES_texture_float"),r("OES_texture_half_float"),r("OES_texture_half_float_linear"),r("OES_standard_derivatives"),r("OES_element_index_uint"),r("OES_vertex_array_object"),r("ANGLE_instanced_arrays")),r("OES_texture_float_linear"),r("EXT_color_buffer_half_float")},get:function(e){const t=r(e);return null===t&&console.warn("THREE.WebGLRenderer: "+e+" extension not supported."),t}}}function WebGLGeometries(e,t,r,n){const i={},a=new WeakMap;function o(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",o),delete i[s.id];const l=a.get(s);l&&(t.remove(l),a.delete(s)),n.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,r.memory.geometries--}function s(e){const r=[],n=e.index,i=e.attributes.position;let o=0;if(null!==n){const e=n.array;o=n.version;for(let t=0,n=e.length;t<n;t+=3){const n=e[t+0],i=e[t+1],a=e[t+2];r.push(n,i,i,a,a,n)}}else{const e=i.array;o=i.version;for(let t=0,n=e.length/3-1;t<n;t+=3){const e=t+0,n=t+1,i=t+2;r.push(e,n,n,i,i,e)}}const s=new(arrayMax(r)>65535?Uint32BufferAttribute:Uint16BufferAttribute)(r,1);s.version=o;const l=a.get(e);l&&t.remove(l),a.set(e,s)}return{get:function(e,t){return!0===i[t.id]?t:(t.addEventListener("dispose",o),i[t.id]=!0,r.memory.geometries++,t)},update:function(e){const r=e.attributes;for(const e in r)t.update(r[e],34962);const n=e.morphAttributes;for(const e in n){const r=n[e];for(let e=0,n=r.length;e<n;e++)t.update(r[e],34962)}},getWireframeAttribute:function(e){const t=a.get(e);if(t){const r=e.index;null!==r&&t.version<r.version&&s(e)}else s(e);return a.get(e)}}}function WebGLIndexedBufferRenderer(e,t,r,n){const i=n.isWebGL2;let a,o,s;this.setMode=function(e){a=e},this.setIndex=function(e){o=e.type,s=e.bytesPerElement},this.render=function(t,n){e.drawElements(a,n,o,t*s),r.update(n,a,1)},this.renderInstances=function(n,l,c){if(0===c)return;let h,u;if(i)h=e,u="drawElementsInstanced";else if(u="drawElementsInstancedANGLE",null===(h=t.get("ANGLE_instanced_arrays")))return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");h[u](a,l,o,n*s,c),r.update(l,a,c)}}function WebGLInfo(e){const t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.frame++,t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(e,r,n){switch(t.calls++,r){case 4:t.triangles+=n*(e/3);break;case 1:t.lines+=n*(e/2);break;case 3:t.lines+=n*(e-1);break;case 2:t.lines+=n*e;break;case 0:t.points+=n*e;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",r)}}}}function numericalSort(e,t){return e[0]-t[0]}function absNumericalSort(e,t){return Math.abs(t[1])-Math.abs(e[1])}function WebGLMorphtargets(e){const t={},r=new Float32Array(8),n=[];for(let e=0;e<8;e++)n[e]=[e,0];return{update:function(i,a,o,s){const l=i.morphTargetInfluences,c=void 0===l?0:l.length;let h=t[a.id];if(void 0===h){h=[];for(let e=0;e<c;e++)h[e]=[e,0];t[a.id]=h}for(let e=0;e<c;e++){const t=h[e];t[0]=e,t[1]=l[e]}h.sort(absNumericalSort);for(let e=0;e<8;e++)e<c&&h[e][1]?(n[e][0]=h[e][0],n[e][1]=h[e][1]):(n[e][0]=Number.MAX_SAFE_INTEGER,n[e][1]=0);n.sort(numericalSort);const u=o.morphTargets&&a.morphAttributes.position,d=o.morphNormals&&a.morphAttributes.normal;let p=0;for(let e=0;e<8;e++){const t=n[e],i=t[0],o=t[1];i!==Number.MAX_SAFE_INTEGER&&o?(u&&a.getAttribute("morphTarget"+e)!==u[i]&&a.setAttribute("morphTarget"+e,u[i]),d&&a.getAttribute("morphNormal"+e)!==d[i]&&a.setAttribute("morphNormal"+e,d[i]),r[e]=o,p+=o):(u&&!0===a.hasAttribute("morphTarget"+e)&&a.deleteAttribute("morphTarget"+e),d&&!0===a.hasAttribute("morphNormal"+e)&&a.deleteAttribute("morphNormal"+e),r[e]=0)}const m=a.morphTargetsRelative?1:1-p;s.getUniforms().setValue(e,"morphTargetBaseInfluence",m),s.getUniforms().setValue(e,"morphTargetInfluences",r)}}}function WebGLObjects(e,t,r,n){let i=new WeakMap;function a(e){const t=e.target;t.removeEventListener("dispose",a),r.remove(t.instanceMatrix),null!==t.instanceColor&&r.remove(t.instanceColor)}return{update:function(e){const o=n.render.frame,s=e.geometry,l=t.get(e,s);return i.get(l)!==o&&(t.update(l),i.set(l,o)),e.isInstancedMesh&&(!1===e.hasEventListener("dispose",a)&&e.addEventListener("dispose",a),r.update(e.instanceMatrix,34962),null!==e.instanceColor&&r.update(e.instanceColor,34962)),l},dispose:function(){i=new WeakMap}}}ShaderLib.physical={uniforms:mergeUniforms([ShaderLib.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new Vector2(1,1)},clearcoatNormalMap:{value:null},sheen:{value:new Color(0)},transmission:{value:0},transmissionMap:{value:null}}]),vertexShader:ShaderChunk.meshphysical_vert,fragmentShader:ShaderChunk.meshphysical_frag};class DataTexture2DArray extends Texture{constructor(e=null,t=1,r=1,n=1){super(null),this.image={data:e,width:t,height:r,depth:n},this.magFilter=NearestFilter,this.minFilter=NearestFilter,this.wrapR=ClampToEdgeWrapping,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}DataTexture2DArray.prototype.isDataTexture2DArray=!0;class DataTexture3D extends Texture{constructor(e=null,t=1,r=1,n=1){super(null),this.image={data:e,width:t,height:r,depth:n},this.magFilter=NearestFilter,this.minFilter=NearestFilter,this.wrapR=ClampToEdgeWrapping,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}}DataTexture3D.prototype.isDataTexture3D=!0;const emptyTexture=new Texture,emptyTexture2dArray=new DataTexture2DArray,emptyTexture3d=new DataTexture3D,emptyCubeTexture=new CubeTexture,arrayCacheF32=[],arrayCacheI32=[],mat4array=new Float32Array(16),mat3array=new Float32Array(9),mat2array=new Float32Array(4);function flatten(e,t,r){const n=e[0];if(n<=0||n>0)return e;const i=t*r;let a=arrayCacheF32[i];if(void 0===a&&(a=new Float32Array(i),arrayCacheF32[i]=a),0!==t){n.toArray(a,0);for(let n=1,i=0;n!==t;++n)i+=r,e[n].toArray(a,i)}return a}function arraysEqual(e,t){if(e.length!==t.length)return!1;for(let r=0,n=e.length;r<n;r++)if(e[r]!==t[r])return!1;return!0}function copyArray(e,t){for(let r=0,n=t.length;r<n;r++)e[r]=t[r]}function allocTexUnits(e,t){let r=arrayCacheI32[t];void 0===r&&(r=new Int32Array(t),arrayCacheI32[t]=r);for(let n=0;n!==t;++n)r[n]=e.allocateTextureUnit();return r}function setValueV1f(e,t){const r=this.cache;r[0]!==t&&(e.uniform1f(this.addr,t),r[0]=t)}function setValueV2f(e,t){const r=this.cache;if(void 0!==t.x)r[0]===t.x&&r[1]===t.y||(e.uniform2f(this.addr,t.x,t.y),r[0]=t.x,r[1]=t.y);else{if(arraysEqual(r,t))return;e.uniform2fv(this.addr,t),copyArray(r,t)}}function setValueV3f(e,t){const r=this.cache;if(void 0!==t.x)r[0]===t.x&&r[1]===t.y&&r[2]===t.z||(e.uniform3f(this.addr,t.x,t.y,t.z),r[0]=t.x,r[1]=t.y,r[2]=t.z);else if(void 0!==t.r)r[0]===t.r&&r[1]===t.g&&r[2]===t.b||(e.uniform3f(this.addr,t.r,t.g,t.b),r[0]=t.r,r[1]=t.g,r[2]=t.b);else{if(arraysEqual(r,t))return;e.uniform3fv(this.addr,t),copyArray(r,t)}}function setValueV4f(e,t){const r=this.cache;if(void 0!==t.x)r[0]===t.x&&r[1]===t.y&&r[2]===t.z&&r[3]===t.w||(e.uniform4f(this.addr,t.x,t.y,t.z,t.w),r[0]=t.x,r[1]=t.y,r[2]=t.z,r[3]=t.w);else{if(arraysEqual(r,t))return;e.uniform4fv(this.addr,t),copyArray(r,t)}}function setValueM2(e,t){const r=this.cache,n=t.elements;if(void 0===n){if(arraysEqual(r,t))return;e.uniformMatrix2fv(this.addr,!1,t),copyArray(r,t)}else{if(arraysEqual(r,n))return;mat2array.set(n),e.uniformMatrix2fv(this.addr,!1,mat2array),copyArray(r,n)}}function setValueM3(e,t){const r=this.cache,n=t.elements;if(void 0===n){if(arraysEqual(r,t))return;e.uniformMatrix3fv(this.addr,!1,t),copyArray(r,t)}else{if(arraysEqual(r,n))return;mat3array.set(n),e.uniformMatrix3fv(this.addr,!1,mat3array),copyArray(r,n)}}function setValueM4(e,t){const r=this.cache,n=t.elements;if(void 0===n){if(arraysEqual(r,t))return;e.uniformMatrix4fv(this.addr,!1,t),copyArray(r,t)}else{if(arraysEqual(r,n))return;mat4array.set(n),e.uniformMatrix4fv(this.addr,!1,mat4array),copyArray(r,n)}}function setValueV1i(e,t){const r=this.cache;r[0]!==t&&(e.uniform1i(this.addr,t),r[0]=t)}function setValueV2i(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform2iv(this.addr,t),copyArray(r,t))}function setValueV3i(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform3iv(this.addr,t),copyArray(r,t))}function setValueV4i(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform4iv(this.addr,t),copyArray(r,t))}function setValueV1ui(e,t){const r=this.cache;r[0]!==t&&(e.uniform1ui(this.addr,t),r[0]=t)}function setValueV2ui(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform2uiv(this.addr,t),copyArray(r,t))}function setValueV3ui(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform3uiv(this.addr,t),copyArray(r,t))}function setValueV4ui(e,t){const r=this.cache;arraysEqual(r,t)||(e.uniform4uiv(this.addr,t),copyArray(r,t))}function setValueT1(e,t,r){const n=this.cache,i=r.allocateTextureUnit();n[0]!==i&&(e.uniform1i(this.addr,i),n[0]=i),r.safeSetTexture2D(t||emptyTexture,i)}function setValueT3D1(e,t,r){const n=this.cache,i=r.allocateTextureUnit();n[0]!==i&&(e.uniform1i(this.addr,i),n[0]=i),r.setTexture3D(t||emptyTexture3d,i)}function setValueT6(e,t,r){const n=this.cache,i=r.allocateTextureUnit();n[0]!==i&&(e.uniform1i(this.addr,i),n[0]=i),r.safeSetTextureCube(t||emptyCubeTexture,i)}function setValueT2DArray1(e,t,r){const n=this.cache,i=r.allocateTextureUnit();n[0]!==i&&(e.uniform1i(this.addr,i),n[0]=i),r.setTexture2DArray(t||emptyTexture2dArray,i)}function getSingularSetter(e){switch(e){case 5126:return setValueV1f;case 35664:return setValueV2f;case 35665:return setValueV3f;case 35666:return setValueV4f;case 35674:return setValueM2;case 35675:return setValueM3;case 35676:return setValueM4;case 5124:case 35670:return setValueV1i;case 35667:case 35671:return setValueV2i;case 35668:case 35672:return setValueV3i;case 35669:case 35673:return setValueV4i;case 5125:return setValueV1ui;case 36294:return setValueV2ui;case 36295:return setValueV3ui;case 36296:return setValueV4ui;case 35678:case 36198:case 36298:case 36306:case 35682:return setValueT1;case 35679:case 36299:case 36307:return setValueT3D1;case 35680:case 36300:case 36308:case 36293:return setValueT6;case 36289:case 36303:case 36311:case 36292:return setValueT2DArray1}}function setValueV1fArray(e,t){e.uniform1fv(this.addr,t)}function setValueV2fArray(e,t){const r=flatten(t,this.size,2);e.uniform2fv(this.addr,r)}function setValueV3fArray(e,t){const r=flatten(t,this.size,3);e.uniform3fv(this.addr,r)}function setValueV4fArray(e,t){const r=flatten(t,this.size,4);e.uniform4fv(this.addr,r)}function setValueM2Array(e,t){const r=flatten(t,this.size,4);e.uniformMatrix2fv(this.addr,!1,r)}function setValueM3Array(e,t){const r=flatten(t,this.size,9);e.uniformMatrix3fv(this.addr,!1,r)}function setValueM4Array(e,t){const r=flatten(t,this.size,16);e.uniformMatrix4fv(this.addr,!1,r)}function setValueV1iArray(e,t){e.uniform1iv(this.addr,t)}function setValueV2iArray(e,t){e.uniform2iv(this.addr,t)}function setValueV3iArray(e,t){e.uniform3iv(this.addr,t)}function setValueV4iArray(e,t){e.uniform4iv(this.addr,t)}function setValueV1uiArray(e,t){e.uniform1uiv(this.addr,t)}function setValueV2uiArray(e,t){e.uniform2uiv(this.addr,t)}function setValueV3uiArray(e,t){e.uniform3uiv(this.addr,t)}function setValueV4uiArray(e,t){e.uniform4uiv(this.addr,t)}function setValueT1Array(e,t,r){const n=t.length,i=allocTexUnits(r,n);e.uniform1iv(this.addr,i);for(let e=0;e!==n;++e)r.safeSetTexture2D(t[e]||emptyTexture,i[e])}function setValueT6Array(e,t,r){const n=t.length,i=allocTexUnits(r,n);e.uniform1iv(this.addr,i);for(let e=0;e!==n;++e)r.safeSetTextureCube(t[e]||emptyCubeTexture,i[e])}function getPureArraySetter(e){switch(e){case 5126:return setValueV1fArray;case 35664:return setValueV2fArray;case 35665:return setValueV3fArray;case 35666:return setValueV4fArray;case 35674:return setValueM2Array;case 35675:return setValueM3Array;case 35676:return setValueM4Array;case 5124:case 35670:return setValueV1iArray;case 35667:case 35671:return setValueV2iArray;case 35668:case 35672:return setValueV3iArray;case 35669:case 35673:return setValueV4iArray;case 5125:return setValueV1uiArray;case 36294:return setValueV2uiArray;case 36295:return setValueV3uiArray;case 36296:return setValueV4uiArray;case 35678:case 36198:case 36298:case 36306:case 35682:return setValueT1Array;case 35680:case 36300:case 36308:case 36293:return setValueT6Array}}function SingleUniform(e,t,r){this.id=e,this.addr=r,this.cache=[],this.setValue=getSingularSetter(t.type)}function PureArrayUniform(e,t,r){this.id=e,this.addr=r,this.cache=[],this.size=t.size,this.setValue=getPureArraySetter(t.type)}function StructuredUniform(e){this.id=e,this.seq=[],this.map={}}PureArrayUniform.prototype.updateCache=function(e){const t=this.cache;e instanceof Float32Array&&t.length!==e.length&&(this.cache=new Float32Array(e.length)),copyArray(t,e)},StructuredUniform.prototype.setValue=function(e,t,r){const n=this.seq;for(let i=0,a=n.length;i!==a;++i){const a=n[i];a.setValue(e,t[a.id],r)}};const RePathPart=/(\w+)(\])?(\[|\.)?/g;function addUniform(e,t){e.seq.push(t),e.map[t.id]=t}function parseUniform(e,t,r){const n=e.name,i=n.length;for(RePathPart.lastIndex=0;;){const a=RePathPart.exec(n),o=RePathPart.lastIndex;let s=a[1];const l="]"===a[2],c=a[3];if(l&&(s|=0),void 0===c||"["===c&&o+2===i){addUniform(r,void 0===c?new SingleUniform(s,e,t):new PureArrayUniform(s,e,t));break}{let e=r.map[s];void 0===e&&addUniform(r,e=new StructuredUniform(s)),r=e}}}function WebGLUniforms(e,t){this.seq=[],this.map={};const r=e.getProgramParameter(t,35718);for(let n=0;n<r;++n){const r=e.getActiveUniform(t,n);parseUniform(r,e.getUniformLocation(t,r.name),this)}}function WebGLShader(e,t,r){const n=e.createShader(t);return e.shaderSource(n,r),e.compileShader(n),n}WebGLUniforms.prototype.setValue=function(e,t,r,n){const i=this.map[t];void 0!==i&&i.setValue(e,r,n)},WebGLUniforms.prototype.setOptional=function(e,t,r){const n=t[r];void 0!==n&&this.setValue(e,r,n)},WebGLUniforms.upload=function(e,t,r,n){for(let i=0,a=t.length;i!==a;++i){const a=t[i],o=r[a.id];!1!==o.needsUpdate&&a.setValue(e,o.value,n)}},WebGLUniforms.seqWithValue=function(e,t){const r=[];for(let n=0,i=e.length;n!==i;++n){const i=e[n];i.id in t&&r.push(i)}return r};let programIdCount=0;function addLineNumbers(e){const t=e.split("\n");for(let e=0;e<t.length;e++)t[e]=e+1+": "+t[e];return t.join("\n")}function getEncodingComponents(e){switch(e){case LinearEncoding:return["Linear","( value )"];case sRGBEncoding:return["sRGB","( value )"];case RGBEEncoding:return["RGBE","( value )"];case RGBM7Encoding:return["RGBM","( value, 7.0 )"];case RGBM16Encoding:return["RGBM","( value, 16.0 )"];case RGBDEncoding:return["RGBD","( value, 256.0 )"];case GammaEncoding:return["Gamma","( value, float( GAMMA_FACTOR ) )"];case LogLuvEncoding:return["LogLuv","( value )"];default:return console.warn("THREE.WebGLProgram: Unsupported encoding:",e),["Linear","( value )"]}}function getShaderErrors(e,t,r){const n=e.getShaderParameter(t,35713),i=e.getShaderInfoLog(t).trim();return n&&""===i?"":"THREE.WebGLShader: gl.getShaderInfoLog() "+r+"\n"+i+addLineNumbers(e.getShaderSource(t))}function getTexelDecodingFunction(e,t){const r=getEncodingComponents(t);return"vec4 "+e+"( vec4 value ) { return "+r[0]+"ToLinear"+r[1]+"; }"}function getTexelEncodingFunction(e,t){const r=getEncodingComponents(t);return"vec4 "+e+"( vec4 value ) { return LinearTo"+r[0]+r[1]+"; }"}function getToneMappingFunction(e,t){let r;switch(t){case LinearToneMapping:r="Linear";break;case ReinhardToneMapping:r="Reinhard";break;case CineonToneMapping:r="OptimizedCineon";break;case ACESFilmicToneMapping:r="ACESFilmic";break;case CustomToneMapping:r="Custom";break;default:console.warn("THREE.WebGLProgram: Unsupported toneMapping:",t),r="Linear"}return"vec3 "+e+"( vec3 color ) { return "+r+"ToneMapping( color ); }"}function generateExtensions(e){return[e.extensionDerivatives||e.envMapCubeUV||e.bumpMap||e.tangentSpaceNormalMap||e.clearcoatNormalMap||e.flatShading||"physical"===e.shaderID?"#extension GL_OES_standard_derivatives : enable":"",(e.extensionFragDepth||e.logarithmicDepthBuffer)&&e.rendererExtensionFragDepth?"#extension GL_EXT_frag_depth : enable":"",e.extensionDrawBuffers&&e.rendererExtensionDrawBuffers?"#extension GL_EXT_draw_buffers : require":"",(e.extensionShaderTextureLOD||e.envMap)&&e.rendererExtensionShaderTextureLod?"#extension GL_EXT_shader_texture_lod : enable":""].filter(filterEmptyLine).join("\n")}function generateDefines(e){const t=[];for(const r in e){const n=e[r];!1!==n&&t.push("#define "+r+" "+n)}return t.join("\n")}function fetchAttributeLocations(e,t){const r={},n=e.getProgramParameter(t,35721);for(let i=0;i<n;i++){const n=e.getActiveAttrib(t,i).name;r[n]=e.getAttribLocation(t,n)}return r}function filterEmptyLine(e){return""!==e}function replaceLightNums(e,t){return e.replace(/NUM_DIR_LIGHTS/g,t.numDirLights).replace(/NUM_SPOT_LIGHTS/g,t.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g,t.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,t.numPointLights).replace(/NUM_HEMI_LIGHTS/g,t.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g,t.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g,t.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,t.numPointLightShadows)}function replaceClippingPlaneNums(e,t){return e.replace(/NUM_CLIPPING_PLANES/g,t.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,t.numClippingPlanes-t.numClipIntersection)}const includePattern=/^[ \t]*#include +<([\w\d./]+)>/gm;function resolveIncludes(e){return e.replace(includePattern,includeReplacer)}function includeReplacer(e,t){const r=ShaderChunk[t];if(void 0===r)throw new Error("Can not resolve #include <"+t+">");return resolveIncludes(r)}const deprecatedUnrollLoopPattern=/#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g,unrollLoopPattern=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function unrollLoops(e){return e.replace(unrollLoopPattern,loopReplacer).replace(deprecatedUnrollLoopPattern,deprecatedLoopReplacer)}function deprecatedLoopReplacer(e,t,r,n){return console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead."),loopReplacer(e,t,r,n)}function loopReplacer(e,t,r,n){let i="";for(let e=parseInt(t);e<parseInt(r);e++)i+=n.replace(/\[\s*i\s*\]/g,"[ "+e+" ]").replace(/UNROLLED_LOOP_INDEX/g,e);return i}function generatePrecision(e){let t="precision "+e.precision+" float;\nprecision "+e.precision+" int;";return"highp"===e.precision?t+="\n#define HIGH_PRECISION":"mediump"===e.precision?t+="\n#define MEDIUM_PRECISION":"lowp"===e.precision&&(t+="\n#define LOW_PRECISION"),t}function generateShadowMapTypeDefine(e){let t="SHADOWMAP_TYPE_BASIC";return e.shadowMapType===PCFShadowMap?t="SHADOWMAP_TYPE_PCF":e.shadowMapType===PCFSoftShadowMap?t="SHADOWMAP_TYPE_PCF_SOFT":e.shadowMapType===VSMShadowMap&&(t="SHADOWMAP_TYPE_VSM"),t}function generateEnvMapTypeDefine(e){let t="ENVMAP_TYPE_CUBE";if(e.envMap)switch(e.envMapMode){case CubeReflectionMapping:case CubeRefractionMapping:t="ENVMAP_TYPE_CUBE";break;case CubeUVReflectionMapping:case CubeUVRefractionMapping:t="ENVMAP_TYPE_CUBE_UV"}return t}function generateEnvMapModeDefine(e){let t="ENVMAP_MODE_REFLECTION";if(e.envMap)switch(e.envMapMode){case CubeRefractionMapping:case CubeUVRefractionMapping:t="ENVMAP_MODE_REFRACTION"}return t}function generateEnvMapBlendingDefine(e){let t="ENVMAP_BLENDING_NONE";if(e.envMap)switch(e.combine){case MultiplyOperation:t="ENVMAP_BLENDING_MULTIPLY";break;case MixOperation:t="ENVMAP_BLENDING_MIX";break;case AddOperation:t="ENVMAP_BLENDING_ADD"}return t}function WebGLProgram(e,t,r,n){const i=e.getContext(),a=r.defines;let o=r.vertexShader,s=r.fragmentShader;const l=generateShadowMapTypeDefine(r),c=generateEnvMapTypeDefine(r),h=generateEnvMapModeDefine(r),u=generateEnvMapBlendingDefine(r),d=e.gammaFactor>0?e.gammaFactor:1,p=r.isWebGL2?"":generateExtensions(r),m=generateDefines(a),f=i.createProgram();let g,v,_=r.glslVersion?"#version "+r.glslVersion+"\n":"";r.isRawShaderMaterial?((g=[m].filter(filterEmptyLine).join("\n")).length>0&&(g+="\n"),(v=[p,m].filter(filterEmptyLine).join("\n")).length>0&&(v+="\n")):(g=[generatePrecision(r),"#define SHADER_NAME "+r.shaderName,m,r.instancing?"#define USE_INSTANCING":"",r.instancingColor?"#define USE_INSTANCING_COLOR":"",r.supportsVertexTextures?"#define VERTEX_TEXTURES":"","#define GAMMA_FACTOR "+d,"#define MAX_BONES "+r.maxBones,r.useFog&&r.fog?"#define USE_FOG":"",r.useFog&&r.fogExp2?"#define FOG_EXP2":"",r.map?"#define USE_MAP":"",r.envMap?"#define USE_ENVMAP":"",r.envMap?"#define "+h:"",r.lightMap?"#define USE_LIGHTMAP":"",r.aoMap?"#define USE_AOMAP":"",r.emissiveMap?"#define USE_EMISSIVEMAP":"",r.bumpMap?"#define USE_BUMPMAP":"",r.normalMap?"#define USE_NORMALMAP":"",r.normalMap&&r.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",r.normalMap&&r.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",r.clearcoatMap?"#define USE_CLEARCOATMAP":"",r.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",r.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",r.displacementMap&&r.supportsVertexTextures?"#define USE_DISPLACEMENTMAP":"",r.specularMap?"#define USE_SPECULARMAP":"",r.roughnessMap?"#define USE_ROUGHNESSMAP":"",r.metalnessMap?"#define USE_METALNESSMAP":"",r.alphaMap?"#define USE_ALPHAMAP":"",r.transmissionMap?"#define USE_TRANSMISSIONMAP":"",r.vertexTangents?"#define USE_TANGENT":"",r.vertexColors?"#define USE_COLOR":"",r.vertexAlphas?"#define USE_COLOR_ALPHA":"",r.vertexUvs?"#define USE_UV":"",r.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",r.flatShading?"#define FLAT_SHADED":"",r.skinning?"#define USE_SKINNING":"",r.useVertexTexture?"#define BONE_TEXTURE":"",r.morphTargets?"#define USE_MORPHTARGETS":"",r.morphNormals&&!1===r.flatShading?"#define USE_MORPHNORMALS":"",r.doubleSided?"#define DOUBLE_SIDED":"",r.flipSided?"#define FLIP_SIDED":"",r.shadowMapEnabled?"#define USE_SHADOWMAP":"",r.shadowMapEnabled?"#define "+l:"",r.sizeAttenuation?"#define USE_SIZEATTENUATION":"",r.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",r.logarithmicDepthBuffer&&r.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"","uniform mat4 modelMatrix;","uniform mat4 modelViewMatrix;","uniform mat4 projectionMatrix;","uniform mat4 viewMatrix;","uniform mat3 normalMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;","#ifdef USE_INSTANCING","\tattribute mat4 instanceMatrix;","#endif","#ifdef USE_INSTANCING_COLOR","\tattribute vec3 instanceColor;","#endif","attribute vec3 position;","attribute vec3 normal;","attribute vec2 uv;","#ifdef USE_TANGENT","\tattribute vec4 tangent;","#endif","#if defined( USE_COLOR_ALPHA )","\tattribute vec4 color;","#elif defined( USE_COLOR )","\tattribute vec3 color;","#endif","#ifdef USE_MORPHTARGETS","\tattribute vec3 morphTarget0;","\tattribute vec3 morphTarget1;","\tattribute vec3 morphTarget2;","\tattribute vec3 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USE_EMISSIVEMAP":"",r.bumpMap?"#define USE_BUMPMAP":"",r.normalMap?"#define USE_NORMALMAP":"",r.normalMap&&r.objectSpaceNormalMap?"#define OBJECTSPACE_NORMALMAP":"",r.normalMap&&r.tangentSpaceNormalMap?"#define TANGENTSPACE_NORMALMAP":"",r.clearcoatMap?"#define USE_CLEARCOATMAP":"",r.clearcoatRoughnessMap?"#define USE_CLEARCOAT_ROUGHNESSMAP":"",r.clearcoatNormalMap?"#define USE_CLEARCOAT_NORMALMAP":"",r.specularMap?"#define USE_SPECULARMAP":"",r.roughnessMap?"#define USE_ROUGHNESSMAP":"",r.metalnessMap?"#define USE_METALNESSMAP":"",r.alphaMap?"#define USE_ALPHAMAP":"",r.sheen?"#define USE_SHEEN":"",r.transmissionMap?"#define USE_TRANSMISSIONMAP":"",r.vertexTangents?"#define USE_TANGENT":"",r.vertexColors||r.instancingColor?"#define USE_COLOR":"",r.vertexAlphas?"#define USE_COLOR_ALPHA":"",r.vertexUvs?"#define USE_UV":"",r.uvsVertexOnly?"#define UVS_VERTEX_ONLY":"",r.gradientMap?"#define USE_GRADIENTMAP":"",r.flatShading?"#define FLAT_SHADED":"",r.doubleSided?"#define DOUBLE_SIDED":"",r.flipSided?"#define FLIP_SIDED":"",r.shadowMapEnabled?"#define USE_SHADOWMAP":"",r.shadowMapEnabled?"#define "+l:"",r.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",r.physicallyCorrectLights?"#define PHYSICALLY_CORRECT_LIGHTS":"",r.logarithmicDepthBuffer?"#define USE_LOGDEPTHBUF":"",r.logarithmicDepthBuffer&&r.rendererExtensionFragDepth?"#define USE_LOGDEPTHBUF_EXT":"",(r.extensionShaderTextureLOD||r.envMap)&&r.rendererExtensionShaderTextureLod?"#define TEXTURE_LOD_EXT":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",r.toneMapping!==NoToneMapping?"#define TONE_MAPPING":"",r.toneMapping!==NoToneMapping?ShaderChunk.tonemapping_pars_fragment:"",r.toneMapping!==NoToneMapping?getToneMappingFunction("toneMapping",r.toneMapping):"",r.dithering?"#define DITHERING":"",ShaderChunk.encodings_pars_fragment,r.map?getTexelDecodingFunction("mapTexelToLinear",r.mapEncoding):"",r.matcap?getTexelDecodingFunction("matcapTexelToLinear",r.matcapEncoding):"",r.envMap?getTexelDecodingFunction("envMapTexelToLinear",r.envMapEncoding):"",r.emissiveMap?getTexelDecodingFunction("emissiveMapTexelToLinear",r.emissiveMapEncoding):"",r.lightMap?getTexelDecodingFunction("lightMapTexelToLinear",r.lightMapEncoding):"",getTexelEncodingFunction("linearToOutputTexel",r.outputEncoding),r.depthPacking?"#define DEPTH_PACKING "+r.depthPacking:"","\n"].filter(filterEmptyLine).join("\n")),o=replaceClippingPlaneNums(o=replaceLightNums(o=resolveIncludes(o),r),r),s=replaceClippingPlaneNums(s=replaceLightNums(s=resolveIncludes(s),r),r),o=unrollLoops(o),s=unrollLoops(s),r.isWebGL2&&!0!==r.isRawShaderMaterial&&(_="#version 300 es\n",g=["#define attribute in","#define varying out","#define texture2D texture"].join("\n")+"\n"+g,v=["#define varying in",r.glslVersion===GLSL3?"":"out highp vec4 pc_fragColor;",r.glslVersion===GLSL3?"":"#define gl_FragColor pc_fragColor","#define gl_FragDepthEXT gl_FragDepth","#define texture2D texture","#define textureCube texture","#define texture2DProj textureProj","#define texture2DLodEXT textureLod","#define texture2DProjLodEXT textureProjLod","#define textureCubeLodEXT textureLod","#define texture2DGradEXT textureGrad","#define texture2DProjGradEXT textureProjGrad","#define textureCubeGradEXT textureGrad"].join("\n")+"\n"+v);const y=_+v+s,x=WebGLShader(i,35633,_+g+o),b=WebGLShader(i,35632,y);if(i.attachShader(f,x),i.attachShader(f,b),void 0!==r.index0AttributeName?i.bindAttribLocation(f,0,r.index0AttributeName):!0===r.morphTargets&&i.bindAttribLocation(f,0,"position"),i.linkProgram(f),e.debug.checkShaderErrors){const e=i.getProgramInfoLog(f).trim(),t=i.getShaderInfoLog(x).trim(),r=i.getShaderInfoLog(b).trim();let n=!0,a=!0;if(!1===i.getProgramParameter(f,35714)){n=!1;const t=getShaderErrors(i,x,"vertex"),r=getShaderErrors(i,b,"fragment");console.error("THREE.WebGLProgram: shader error: ",i.getError(),"35715",i.getProgramParameter(f,35715),"gl.getProgramInfoLog",e,t,r)}else""!==e?console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",e):""!==t&&""!==r||(a=!1);a&&(this.diagnostics={runnable:n,programLog:e,vertexShader:{log:t,prefix:g},fragmentShader:{log:r,prefix:v}})}let M,w;return i.deleteShader(x),i.deleteShader(b),this.getUniforms=function(){return void 0===M&&(M=new WebGLUniforms(i,f)),M},this.getAttributes=function(){return void 0===w&&(w=fetchAttributeLocations(i,f)),w},this.destroy=function(){n.releaseStatesOfProgram(this),i.deleteProgram(f),this.program=void 0},this.name=r.shaderName,this.id=programIdCount++,this.cacheKey=t,this.usedTimes=1,this.program=f,this.vertexShader=x,this.fragmentShader=b,this}function WebGLPrograms(e,t,r,n,i,a){const o=[],s=n.isWebGL2,l=n.logarithmicDepthBuffer,c=n.floatVertexTextures,h=n.maxVertexUniforms,u=n.vertexTextures;let d=n.precision;const p={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},m=["precision","isWebGL2","supportsVertexTextures","outputEncoding","instancing","instancingColor","map","mapEncoding","matcap","matcapEncoding","envMap","envMapMode","envMapEncoding","envMapCubeUV","lightMap","lightMapEncoding","aoMap","emissiveMap","emissiveMapEncoding","bumpMap","normalMap","objectSpaceNormalMap","tangentSpaceNormalMap","clearcoatMap","clearcoatRoughnessMap","clearcoatNormalMap","displacementMap","specularMap","roughnessMap","metalnessMap","gradientMap","alphaMap","combine","vertexColors","vertexAlphas","vertexTangents","vertexUvs","uvsVertexOnly","fog","useFog","fogExp2","flatShading","sizeAttenuation","logarithmicDepthBuffer","skinning","maxBones","useVertexTexture","morphTargets","morphNormals","premultipliedAlpha","numDirLights","numPointLights","numSpotLights","numHemiLights","numRectAreaLights","numDirLightShadows","numPointLightShadows","numSpotLightShadows","shadowMapEnabled","shadowMapType","toneMapping","physicallyCorrectLights","alphaTest","doubleSided","flipSided","numClippingPlanes","numClipIntersection","depthPacking","dithering","sheen","transmissionMap"];function f(e){let t;return e&&e.isTexture?t=e.encoding:e&&e.isWebGLRenderTarget?(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),t=e.texture.encoding):t=LinearEncoding,t}return{getParameters:function(i,o,m,g,v){const _=g.fog,y=i.isMeshStandardMaterial?g.environment:null,x=t.get(i.envMap||y),b=p[i.type],M=v.isSkinnedMesh?function(e){const t=e.skeleton.bones;if(c)return 1024;{const e=h,r=Math.floor((e-20)/4),n=Math.min(r,t.length);return n<t.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+t.length+" bones. This GPU supports "+n+"."),0):n}}(v):0;let w,S;if(null!==i.precision&&(d=n.getMaxPrecision(i.precision))!==i.precision&&console.warn("THREE.WebGLProgram.getParameters:",i.precision,"not supported, using",d,"instead."),b){const e=ShaderLib[b];w=e.vertexShader,S=e.fragmentShader}else w=i.vertexShader,S=i.fragmentShader;const T=e.getRenderTarget();return{isWebGL2:s,shaderID:b,shaderName:i.type,vertexShader:w,fragmentShader:S,defines:i.defines,isRawShaderMaterial:!0===i.isRawShaderMaterial,glslVersion:i.glslVersion,precision:d,instancing:!0===v.isInstancedMesh,instancingColor:!0===v.isInstancedMesh&&null!==v.instanceColor,supportsVertexTextures:u,outputEncoding:null!==T?f(T.texture):e.outputEncoding,map:!!i.map,mapEncoding:f(i.map),matcap:!!i.matcap,matcapEncoding:f(i.matcap),envMap:!!x,envMapMode:x&&x.mapping,envMapEncoding:f(x),envMapCubeUV:!!x&&(x.mapping===CubeUVReflectionMapping||x.mapping===CubeUVRefractionMapping),lightMap:!!i.lightMap,lightMapEncoding:f(i.lightMap),aoMap:!!i.aoMap,emissiveMap:!!i.emissiveMap,emissiveMapEncoding:f(i.emissiveMap),bumpMap:!!i.bumpMap,normalMap:!!i.normalMap,objectSpaceNormalMap:i.normalMapType===ObjectSpaceNormalMap,tangentSpaceNormalMap:i.normalMapType===TangentSpaceNormalMap,clearcoatMap:!!i.clearcoatMap,clearcoatRoughnessMap:!!i.clearcoatRoughnessMap,clearcoatNormalMap:!!i.clearcoatNormalMap,displacementMap:!!i.displacementMap,roughnessMap:!!i.roughnessMap,metalnessMap:!!i.metalnessMap,specularMap:!!i.specularMap,alphaMap:!!i.alphaMap,gradientMap:!!i.gradientMap,sheen:!!i.sheen,transmissionMap:!!i.transmissionMap,combine:i.combine,vertexTangents:i.normalMap&&i.vertexTangents,vertexColors:i.vertexColors,vertexAlphas:!0===i.vertexColors&&v.geometry&&v.geometry.attributes.color&&4===v.geometry.attributes.color.itemSize,vertexUvs:!!(i.map||i.bumpMap||i.normalMap||i.specularMap||i.alphaMap||i.emissiveMap||i.roughnessMap||i.metalnessMap||i.clearcoatMap||i.clearcoatRoughnessMap||i.clearcoatNormalMap||i.displacementMap||i.transmissionMap),uvsVertexOnly:!(i.map||i.bumpMap||i.normalMap||i.specularMap||i.alphaMap||i.emissiveMap||i.roughnessMap||i.metalnessMap||i.clearcoatNormalMap||i.transmissionMap||!i.displacementMap),fog:!!_,useFog:i.fog,fogExp2:_&&_.isFogExp2,flatShading:!!i.flatShading,sizeAttenuation:i.sizeAttenuation,logarithmicDepthBuffer:l,skinning:i.skinning&&M>0,maxBones:M,useVertexTexture:c,morphTargets:i.morphTargets,morphNormals:i.morphNormals,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:i.dithering,shadowMapEnabled:e.shadowMap.enabled&&m.length>0,shadowMapType:e.shadowMap.type,toneMapping:i.toneMapped?e.toneMapping:NoToneMapping,physicallyCorrectLights:e.physicallyCorrectLights,premultipliedAlpha:i.premultipliedAlpha,alphaTest:i.alphaTest,doubleSided:i.side===DoubleSide,flipSided:i.side===BackSide,depthPacking:void 0!==i.depthPacking&&i.depthPacking,index0AttributeName:i.index0AttributeName,extensionDerivatives:i.extensions&&i.extensions.derivatives,extensionFragDepth:i.extensions&&i.extensions.fragDepth,extensionDrawBuffers:i.extensions&&i.extensions.drawBuffers,extensionShaderTextureLOD:i.extensions&&i.extensions.shaderTextureLOD,rendererExtensionFragDepth:s||r.has("EXT_frag_depth"),rendererExtensionDrawBuffers:s||r.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:s||r.has("EXT_shader_texture_lod"),customProgramCacheKey:i.customProgramCacheKey()}},getProgramCacheKey:function(t){const r=[];if(t.shaderID?r.push(t.shaderID):(r.push(t.fragmentShader),r.push(t.vertexShader)),void 0!==t.defines)for(const e in t.defines)r.push(e),r.push(t.defines[e]);if(!1===t.isRawShaderMaterial){for(let e=0;e<m.length;e++)r.push(t[m[e]]);r.push(e.outputEncoding),r.push(e.gammaFactor)}return r.push(t.customProgramCacheKey),r.join()},getUniforms:function(e){const t=p[e.type];let r;if(t){const e=ShaderLib[t];r=UniformsUtils.clone(e.uniforms)}else r=e.uniforms;return r},acquireProgram:function(t,r){let n;for(let e=0,t=o.length;e<t;e++){const t=o[e];if(t.cacheKey===r){++(n=t).usedTimes;break}}return void 0===n&&(n=new WebGLProgram(e,r,t,i),o.push(n)),n},releaseProgram:function(e){if(0==--e.usedTimes){const t=o.indexOf(e);o[t]=o[o.length-1],o.pop(),e.destroy()}},programs:o}}function WebGLProperties(){let e=new WeakMap;return{get:function(t){let r=e.get(t);return void 0===r&&(r={},e.set(t,r)),r},remove:function(t){e.delete(t)},update:function(t,r,n){e.get(t)[r]=n},dispose:function(){e=new WeakMap}}}function painterSortStable(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.program!==t.program?e.program.id-t.program.id:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function reversePainterSortStable(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function WebGLRenderList(e){const t=[];let r=0;const n=[],i=[],a={id:-1};function o(n,i,o,s,l,c){let h=t[r];const u=e.get(o);return void 0===h?(h={id:n.id,object:n,geometry:i,material:o,program:u.program||a,groupOrder:s,renderOrder:n.renderOrder,z:l,group:c},t[r]=h):(h.id=n.id,h.object=n,h.geometry=i,h.material=o,h.program=u.program||a,h.groupOrder=s,h.renderOrder=n.renderOrder,h.z=l,h.group=c),r++,h}return{opaque:n,transparent:i,init:function(){r=0,n.length=0,i.length=0},push:function(e,t,r,a,s,l){const c=o(e,t,r,a,s,l);(!0===r.transparent?i:n).push(c)},unshift:function(e,t,r,a,s,l){const c=o(e,t,r,a,s,l);(!0===r.transparent?i:n).unshift(c)},finish:function(){for(let e=r,n=t.length;e<n;e++){const r=t[e];if(null===r.id)break;r.id=null,r.object=null,r.geometry=null,r.material=null,r.program=null,r.group=null}},sort:function(e,t){n.length>1&&n.sort(e||painterSortStable),i.length>1&&i.sort(t||reversePainterSortStable)}}}function WebGLRenderLists(e){let t=new WeakMap;return{get:function(r,n){let i;return!1===t.has(r)?(i=new WebGLRenderList(e),t.set(r,[i])):n>=t.get(r).length?(i=new WebGLRenderList(e),t.get(r).push(i)):i=t.get(r)[n],i},dispose:function(){t=new WeakMap}}}function UniformsCache(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let r;switch(t.type){case"DirectionalLight":r={direction:new Vector3,color:new Color};break;case"SpotLight":r={position:new Vector3,direction:new Vector3,color:new Color,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":r={position:new Vector3,color:new Color,distance:0,decay:0};break;case"HemisphereLight":r={direction:new Vector3,skyColor:new Color,groundColor:new Color};break;case"RectAreaLight":r={color:new Color,position:new Vector3,halfWidth:new Vector3,halfHeight:new Vector3}}return e[t.id]=r,r}}}function ShadowUniformsCache(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let r;switch(t.type){case"DirectionalLight":case"SpotLight":r={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Vector2};break;case"PointLight":r={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Vector2,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=r,r}}}let nextVersion=0;function shadowCastingLightsFirst(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function WebGLLights(e,t){const r=new UniformsCache,n=ShadowUniformsCache(),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let e=0;e<9;e++)i.probe.push(new Vector3);const a=new Vector3,o=new Matrix4,s=new Matrix4;return{setup:function(a){let o=0,s=0,l=0;for(let e=0;e<9;e++)i.probe[e].set(0,0,0);let c=0,h=0,u=0,d=0,p=0,m=0,f=0,g=0;a.sort(shadowCastingLightsFirst);for(let e=0,t=a.length;e<t;e++){const t=a[e],v=t.color,_=t.intensity,y=t.distance,x=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)o+=v.r*_,s+=v.g*_,l+=v.b*_;else if(t.isLightProbe)for(let e=0;e<9;e++)i.probe[e].addScaledVector(t.sh.coefficients[e],_);else if(t.isDirectionalLight){const e=r.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),t.castShadow){const e=t.shadow,r=n.get(t);r.shadowBias=e.bias,r.shadowNormalBias=e.normalBias,r.shadowRadius=e.radius,r.shadowMapSize=e.mapSize,i.directionalShadow[c]=r,i.directionalShadowMap[c]=x,i.directionalShadowMatrix[c]=t.shadow.matrix,m++}i.directional[c]=e,c++}else if(t.isSpotLight){const e=r.get(t);if(e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(v).multiplyScalar(_),e.distance=y,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,t.castShadow){const e=t.shadow,r=n.get(t);r.shadowBias=e.bias,r.shadowNormalBias=e.normalBias,r.shadowRadius=e.radius,r.shadowMapSize=e.mapSize,i.spotShadow[u]=r,i.spotShadowMap[u]=x,i.spotShadowMatrix[u]=t.shadow.matrix,g++}i.spot[u]=e,u++}else if(t.isRectAreaLight){const e=r.get(t);e.color.copy(v).multiplyScalar(_),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),i.rectArea[d]=e,d++}else if(t.isPointLight){const e=r.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,r=n.get(t);r.shadowBias=e.bias,r.shadowNormalBias=e.normalBias,r.shadowRadius=e.radius,r.shadowMapSize=e.mapSize,r.shadowCameraNear=e.camera.near,r.shadowCameraFar=e.camera.far,i.pointShadow[h]=r,i.pointShadowMap[h]=x,i.pointShadowMatrix[h]=t.shadow.matrix,f++}i.point[h]=e,h++}else if(t.isHemisphereLight){const e=r.get(t);e.skyColor.copy(t.color).multiplyScalar(_),e.groundColor.copy(t.groundColor).multiplyScalar(_),i.hemi[p]=e,p++}}d>0&&(t.isWebGL2?(i.rectAreaLTC1=UniformsLib.LTC_FLOAT_1,i.rectAreaLTC2=UniformsLib.LTC_FLOAT_2):!0===e.has("OES_texture_float_linear")?(i.rectAreaLTC1=UniformsLib.LTC_FLOAT_1,i.rectAreaLTC2=UniformsLib.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(i.rectAreaLTC1=UniformsLib.LTC_HALF_1,i.rectAreaLTC2=UniformsLib.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),i.ambient[0]=o,i.ambient[1]=s,i.ambient[2]=l;const v=i.hash;v.directionalLength===c&&v.pointLength===h&&v.spotLength===u&&v.rectAreaLength===d&&v.hemiLength===p&&v.numDirectionalShadows===m&&v.numPointShadows===f&&v.numSpotShadows===g||(i.directional.length=c,i.spot.length=u,i.rectArea.length=d,i.point.length=h,i.hemi.length=p,i.directionalShadow.length=m,i.directionalShadowMap.length=m,i.pointShadow.length=f,i.pointShadowMap.length=f,i.spotShadow.length=g,i.spotShadowMap.length=g,i.directionalShadowMatrix.length=m,i.pointShadowMatrix.length=f,i.spotShadowMatrix.length=g,v.directionalLength=c,v.pointLength=h,v.spotLength=u,v.rectAreaLength=d,v.hemiLength=p,v.numDirectionalShadows=m,v.numPointShadows=f,v.numSpotShadows=g,i.version=nextVersion++)},setupView:function(e,t){let r=0,n=0,l=0,c=0,h=0;const u=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){const d=e[t];if(d.isDirectionalLight){const e=i.directional[r];e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(u),r++}else if(d.isSpotLight){const e=i.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),e.direction.setFromMatrixPosition(d.matrixWorld),a.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const e=i.rectArea[c];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),s.identity(),o.copy(d.matrixWorld),o.premultiply(u),s.extractRotation(o),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(s),e.halfHeight.applyMatrix4(s),c++}else if(d.isPointLight){const e=i.point[n];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),n++}else if(d.isHemisphereLight){const e=i.hemi[h];e.direction.setFromMatrixPosition(d.matrixWorld),e.direction.transformDirection(u),e.direction.normalize(),h++}}},state:i}}function WebGLRenderState(e,t){const r=new WebGLLights(e,t),n=[],i=[];return{init:function(){n.length=0,i.length=0},state:{lightsArray:n,shadowsArray:i,lights:r},setupLights:function(){r.setup(n)},setupLightsView:function(e){r.setupView(n,e)},pushLight:function(e){n.push(e)},pushShadow:function(e){i.push(e)}}}function WebGLRenderStates(e,t){let r=new WeakMap;return{get:function(n,i=0){let a;return!1===r.has(n)?(a=new WebGLRenderState(e,t),r.set(n,[a])):i>=r.get(n).length?(a=new WebGLRenderState(e,t),r.get(n).push(a)):a=r.get(n)[i],a},dispose:function(){r=new WeakMap}}}class MeshDepthMaterial extends Material{constructor(e){super(),this.type="MeshDepthMaterial",this.depthPacking=BasicDepthPacking,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}MeshDepthMaterial.prototype.isMeshDepthMaterial=!0;class MeshDistanceMaterial extends Material{constructor(e){super(),this.type="MeshDistanceMaterial",this.referencePosition=new Vector3,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}copy(e){return super.copy(e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}MeshDistanceMaterial.prototype.isMeshDistanceMaterial=!0;var vsm_frag="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}",vsm_vert="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}";function WebGLShadowMap(e,t,r){let n=new Frustum;const i=new Vector2,a=new Vector2,o=new Vector4,s=[],l=[],c={},h=r.maxTextureSize,u={0:BackSide,1:FrontSide,2:DoubleSide},d=new ShaderMaterial({defines:{SAMPLE_RATE:.25,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new Vector2},radius:{value:4}},vertexShader:vsm_vert,fragmentShader:vsm_frag}),p=d.clone();p.defines.HORIZONTAL_PASS=1;const m=new BufferGeometry;m.setAttribute("position",new BufferAttribute(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const f=new Mesh(m,d),g=this;function v(r,n){const i=t.update(f);d.uniforms.shadow_pass.value=r.map.texture,d.uniforms.resolution.value=r.mapSize,d.uniforms.radius.value=r.radius,e.setRenderTarget(r.mapPass),e.clear(),e.renderBufferDirect(n,null,i,d,f,null),p.uniforms.shadow_pass.value=r.mapPass.texture,p.uniforms.resolution.value=r.mapSize,p.uniforms.radius.value=r.radius,e.setRenderTarget(r.map),e.clear(),e.renderBufferDirect(n,null,i,p,f,null)}function _(e,t,r){const n=e<<0|t<<1|r<<2;let i=s[n];return void 0===i&&(i=new MeshDepthMaterial({depthPacking:RGBADepthPacking,morphTargets:e,skinning:t}),s[n]=i),i}function y(e,t,r){const n=e<<0|t<<1|r<<2;let i=l[n];return void 0===i&&(i=new MeshDistanceMaterial({morphTargets:e,skinning:t}),l[n]=i),i}function x(t,r,n,i,a,o,s){let l=null,h=_,d=t.customDepthMaterial;if(!0===i.isPointLight&&(h=y,d=t.customDistanceMaterial),void 0===d){let e=!1;!0===n.morphTargets&&(e=r.morphAttributes&&r.morphAttributes.position&&r.morphAttributes.position.length>0);let i=!1;!0===t.isSkinnedMesh&&(!0===n.skinning?i=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",t)),l=h(e,i,!0===t.isInstancedMesh)}else l=d;if(e.localClippingEnabled&&!0===n.clipShadows&&0!==n.clippingPlanes.length){const e=l.uuid,t=n.uuid;let r=c[e];void 0===r&&(r={},c[e]=r);let i=r[t];void 0===i&&(i=l.clone(),r[t]=i),l=i}return l.visible=n.visible,l.wireframe=n.wireframe,l.side=s===VSMShadowMap?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:u[n.side],l.clipShadows=n.clipShadows,l.clippingPlanes=n.clippingPlanes,l.clipIntersection=n.clipIntersection,l.wireframeLinewidth=n.wireframeLinewidth,l.linewidth=n.linewidth,!0===i.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(i.matrixWorld),l.nearDistance=a,l.farDistance=o),l}function b(r,i,a,o,s){if(!1===r.visible)return;if(r.layers.test(i.layers)&&(r.isMesh||r.isLine||r.isPoints)&&(r.castShadow||r.receiveShadow&&s===VSMShadowMap)&&(!r.frustumCulled||n.intersectsObject(r))){r.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,r.matrixWorld);const n=t.update(r),i=r.material;if(Array.isArray(i)){const t=n.groups;for(let l=0,c=t.length;l<c;l++){const c=t[l],h=i[c.materialIndex];if(h&&h.visible){const t=x(r,n,h,o,a.near,a.far,s);e.renderBufferDirect(a,null,n,t,r,c)}}}else if(i.visible){const t=x(r,n,i,o,a.near,a.far,s);e.renderBufferDirect(a,null,n,t,r,null)}}const l=r.children;for(let e=0,t=l.length;e<t;e++)b(l[e],i,a,o,s)}this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=PCFShadowMap,this.render=function(t,r,s){if(!1===g.enabled)return;if(!1===g.autoUpdate&&!1===g.needsUpdate)return;if(0===t.length)return;const l=e.getRenderTarget(),c=e.getActiveCubeFace(),u=e.getActiveMipmapLevel(),d=e.state;d.setBlending(NoBlending),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);for(let l=0,c=t.length;l<c;l++){const c=t[l],u=c.shadow;if(void 0===u){console.warn("THREE.WebGLShadowMap:",c,"has no shadow.");continue}if(!1===u.autoUpdate&&!1===u.needsUpdate)continue;i.copy(u.mapSize);const p=u.getFrameExtents();if(i.multiply(p),a.copy(u.mapSize),(i.x>h||i.y>h)&&(i.x>h&&(a.x=Math.floor(h/p.x),i.x=a.x*p.x,u.mapSize.x=a.x),i.y>h&&(a.y=Math.floor(h/p.y),i.y=a.y*p.y,u.mapSize.y=a.y)),null===u.map&&!u.isPointLightShadow&&this.type===VSMShadowMap){const e={minFilter:LinearFilter,magFilter:LinearFilter,format:RGBAFormat};u.map=new WebGLRenderTarget(i.x,i.y,e),u.map.texture.name=c.name+".shadowMap",u.mapPass=new WebGLRenderTarget(i.x,i.y,e),u.camera.updateProjectionMatrix()}if(null===u.map){const e={minFilter:NearestFilter,magFilter:NearestFilter,format:RGBAFormat};u.map=new WebGLRenderTarget(i.x,i.y,e),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}e.setRenderTarget(u.map),e.clear();const m=u.getViewportCount();for(let e=0;e<m;e++){const t=u.getViewport(e);o.set(a.x*t.x,a.y*t.y,a.x*t.z,a.y*t.w),d.viewport(o),u.updateMatrices(c,e),n=u.getFrustum(),b(r,s,u.camera,c,this.type)}u.isPointLightShadow||this.type!==VSMShadowMap||v(u,s),u.needsUpdate=!1}g.needsUpdate=!1,e.setRenderTarget(l,c,u)}}function WebGLState(e,t,r){const n=r.isWebGL2;const i=new function(){let t=!1;const r=new Vector4;let n=null;const i=new Vector4(0,0,0,0);return{setMask:function(r){n===r||t||(e.colorMask(r,r,r,r),n=r)},setLocked:function(e){t=e},setClear:function(t,n,a,o,s){!0===s&&(t*=o,n*=o,a*=o),r.set(t,n,a,o),!1===i.equals(r)&&(e.clearColor(t,n,a,o),i.copy(r))},reset:function(){t=!1,n=null,i.set(-1,0,0,0)}}},a=new function(){let t=!1,r=null,n=null,i=null;return{setTest:function(e){e?G(2929):F(2929)},setMask:function(n){r===n||t||(e.depthMask(n),r=n)},setFunc:function(t){if(n!==t){if(t)switch(t){case NeverDepth:e.depthFunc(512);break;case AlwaysDepth:e.depthFunc(519);break;case LessDepth:e.depthFunc(513);break;case LessEqualDepth:e.depthFunc(515);break;case EqualDepth:e.depthFunc(514);break;case GreaterEqualDepth:e.depthFunc(518);break;case GreaterDepth:e.depthFunc(516);break;case NotEqualDepth:e.depthFunc(517);break;default:e.depthFunc(515)}else e.depthFunc(515);n=t}},setLocked:function(e){t=e},setClear:function(t){i!==t&&(e.clearDepth(t),i=t)},reset:function(){t=!1,r=null,n=null,i=null}}},o=new function(){let t=!1,r=null,n=null,i=null,a=null,o=null,s=null,l=null,c=null;return{setTest:function(e){t||(e?G(2960):F(2960))},setMask:function(n){r===n||t||(e.stencilMask(n),r=n)},setFunc:function(t,r,o){n===t&&i===r&&a===o||(e.stencilFunc(t,r,o),n=t,i=r,a=o)},setOp:function(t,r,n){o===t&&s===r&&l===n||(e.stencilOp(t,r,n),o=t,s=r,l=n)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,r=null,n=null,i=null,a=null,o=null,s=null,l=null,c=null}}};let 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e=0,t=b.length;e<t;e++)p=b[e],r.texImage2D(3553,e,f,d,m,p);n.generateMipmaps=!1,t.__maxMipLevel=b.length-1}else r.texImage2D(3553,0,f,d,m,c),t.__maxMipLevel=0;_(n,u)&&y(o,n,c.width,c.height),t.__version=n.version,n.onUpdate&&n.onUpdate(n)}function B(t,i,o,s){const l=i.texture,c=a.convert(l.format),h=a.convert(l.type),u=x(l.internalFormat,c,h);32879===s||35866===s?r.texImage3D(s,0,u,i.width,i.height,i.depth,0,c,h,null):r.texImage2D(s,0,u,i.width,i.height,0,c,h,null),r.bindFramebuffer(36160,t),e.framebufferTexture2D(36160,o,s,n.get(l).__webglTexture,0),r.bindFramebuffer(36160,null)}function D(t,r,n){if(e.bindRenderbuffer(36161,t),r.depthBuffer&&!r.stencilBuffer){let i=33189;if(n){const t=r.depthTexture;t&&t.isDepthTexture&&(t.type===FloatType?i=36012:t.type===UnsignedIntType&&(i=33190));const n=G(r);e.renderbufferStorageMultisample(36161,n,i,r.width,r.height)}else e.renderbufferStorage(36161,i,r.width,r.height);e.framebufferRenderbuffer(36160,36096,36161,t)}else if(r.depthBuffer&&r.stencilBuffer){if(n){const t=G(r);e.renderbufferStorageMultisample(36161,t,35056,r.width,r.height)}else e.renderbufferStorage(36161,34041,r.width,r.height);e.framebufferRenderbuffer(36160,33306,36161,t)}else{const t=r.texture,i=a.convert(t.format),o=a.convert(t.type),s=x(t.internalFormat,i,o);if(n){const t=G(r);e.renderbufferStorageMultisample(36161,t,s,r.width,r.height)}else e.renderbufferStorage(36161,s,r.width,r.height)}e.bindRenderbuffer(36161,null)}function I(t){const i=n.get(t),a=!0===t.isWebGLCubeRenderTarget;if(t.depthTexture){if(a)throw new Error("target.depthTexture not supported in Cube render targets");!function(t,i){if(i&&i.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(r.bindFramebuffer(36160,t),!i.depthTexture||!i.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");n.get(i.depthTexture).__webglTexture&&i.depthTexture.image.width===i.width&&i.depthTexture.image.height===i.height||(i.depthTexture.image.width=i.width,i.depthTexture.image.height=i.height,i.depthTexture.needsUpdate=!0),T(i.depthTexture,0);const a=n.get(i.depthTexture).__webglTexture;if(i.depthTexture.format===DepthFormat)e.framebufferTexture2D(36160,36096,3553,a,0);else{if(i.depthTexture.format!==DepthStencilFormat)throw new Error("Unknown depthTexture format");e.framebufferTexture2D(36160,33306,3553,a,0)}}(i.__webglFramebuffer,t)}else if(a){i.__webglDepthbuffer=[];for(let n=0;n<6;n++)r.bindFramebuffer(36160,i.__webglFramebuffer[n]),i.__webglDepthbuffer[n]=e.createRenderbuffer(),D(i.__webglDepthbuffer[n],t,!1)}else r.bindFramebuffer(36160,i.__webglFramebuffer),i.__webglDepthbuffer=e.createRenderbuffer(),D(i.__webglDepthbuffer,t,!1);r.bindFramebuffer(36160,null)}function G(e){return s&&e.isWebGLMultisampleRenderTarget?Math.min(u,e.samples):0}let F=!1,V=!1;this.allocateTextureUnit=function(){const e=S;return e>=l&&console.warn("THREE.WebGLTextures: Trying to use "+e+" texture units while this GPU supports only "+l),S+=1,e},this.resetTextureUnits=function(){S=0},this.setTexture2D=T,this.setTexture2DArray=function(e,t){const i=n.get(e);e.version>0&&i.__version!==e.version?P(i,e,t):(r.activeTexture(33984+t),r.bindTexture(35866,i.__webglTexture))},this.setTexture3D=function(e,t){const i=n.get(e);e.version>0&&i.__version!==e.version?P(i,e,t):(r.activeTexture(33984+t),r.bindTexture(32879,i.__webglTexture))},this.setTextureCube=E,this.setupRenderTarget=function(t){const i=t.texture,l=n.get(t),c=n.get(i);t.addEventListener("dispose",w),c.__webglTexture=e.createTexture(),c.__version=i.version,o.memory.textures++;const h=!0===t.isWebGLCubeRenderTarget,u=!0===t.isWebGLMultisampleRenderTarget,d=i.isDataTexture3D||i.isDataTexture2DArray,p=v(t)||s;if(!s||i.format!==RGBFormat||i.type!==FloatType&&i.type!==HalfFloatType||(i.format=RGBAFormat,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),h){l.__webglFramebuffer=[];for(let t=0;t<6;t++)l.__webglFramebuffer[t]=e.createFramebuffer()}else if(l.__webglFramebuffer=e.createFramebuffer(),u)if(s){l.__webglMultisampledFramebuffer=e.createFramebuffer(),l.__webglColorRenderbuffer=e.createRenderbuffer(),e.bindRenderbuffer(36161,l.__webglColorRenderbuffer);const n=a.convert(i.format),o=a.convert(i.type),s=x(i.internalFormat,n,o),c=G(t);e.renderbufferStorageMultisample(36161,c,s,t.width,t.height),r.bindFramebuffer(36160,l.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064,36161,l.__webglColorRenderbuffer),e.bindRenderbuffer(36161,null),t.depthBuffer&&(l.__webglDepthRenderbuffer=e.createRenderbuffer(),D(l.__webglDepthRenderbuffer,t,!0)),r.bindFramebuffer(36160,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(h){r.bindTexture(34067,c.__webglTexture),C(34067,i,p);for(let e=0;e<6;e++)B(l.__webglFramebuffer[e],t,36064,34069+e);_(i,p)&&y(34067,i,t.width,t.height),r.bindTexture(34067,null)}else{let e=3553;d&&(s?e=i.isDataTexture3D?32879:35866:console.warn("THREE.DataTexture3D and THREE.DataTexture2DArray only supported with WebGL2.")),r.bindTexture(e,c.__webglTexture),C(e,i,p),B(l.__webglFramebuffer,t,36064,e),_(i,p)&&y(3553,i,t.width,t.height),r.bindTexture(3553,null)}t.depthBuffer&&I(t)},this.updateRenderTargetMipmap=function(e){const t=e.texture;if(_(t,v(e)||s)){const i=e.isWebGLCubeRenderTarget?34067:3553,a=n.get(t).__webglTexture;r.bindTexture(i,a),y(i,t,e.width,e.height),r.bindTexture(i,null)}},this.updateMultisampleRenderTarget=function(t){if(t.isWebGLMultisampleRenderTarget)if(s){const i=t.width,a=t.height;let o=16384;t.depthBuffer&&(o|=256),t.stencilBuffer&&(o|=1024);const s=n.get(t);r.bindFramebuffer(36008,s.__webglMultisampledFramebuffer),r.bindFramebuffer(36009,s.__webglFramebuffer),e.blitFramebuffer(0,0,i,a,0,0,i,a,o,9728),r.bindFramebuffer(36008,null),r.bindFramebuffer(36009,s.__webglMultisampledFramebuffer)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.")},this.safeSetTexture2D=function(e,t){e&&e.isWebGLRenderTarget&&(!1===F&&(console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),F=!0),e=e.texture),T(e,t)},this.safeSetTextureCube=function(e,t){e&&e.isWebGLCubeRenderTarget&&(!1===V&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),V=!0),e=e.texture),E(e,t)}}function WebGLUtils(e,t,r){const n=r.isWebGL2;return{convert:function(e){let r;if(e===UnsignedByteType)return 5121;if(e===UnsignedShort4444Type)return 32819;if(e===UnsignedShort5551Type)return 32820;if(e===UnsignedShort565Type)return 33635;if(e===ByteType)return 5120;if(e===ShortType)return 5122;if(e===UnsignedShortType)return 5123;if(e===IntType)return 5124;if(e===UnsignedIntType)return 5125;if(e===FloatType)return 5126;if(e===HalfFloatType)return n?5131:null!==(r=t.get("OES_texture_half_float"))?r.HALF_FLOAT_OES:null;if(e===AlphaFormat)return 6406;if(e===RGBFormat)return 6407;if(e===RGBAFormat)return 6408;if(e===LuminanceFormat)return 6409;if(e===LuminanceAlphaFormat)return 6410;if(e===DepthFormat)return 6402;if(e===DepthStencilFormat)return 34041;if(e===RedFormat)return 6403;if(e===RedIntegerFormat)return 36244;if(e===RGFormat)return 33319;if(e===RGIntegerFormat)return 33320;if(e===RGBIntegerFormat)return 36248;if(e===RGBAIntegerFormat)return 36249;if(e===RGB_S3TC_DXT1_Format||e===RGBA_S3TC_DXT1_Format||e===RGBA_S3TC_DXT3_Format||e===RGBA_S3TC_DXT5_Format){if(null===(r=t.get("WEBGL_compressed_texture_s3tc")))return null;if(e===RGB_S3TC_DXT1_Format)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT1_Format)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT3_Format)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===RGBA_S3TC_DXT5_Format)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===RGB_PVRTC_4BPPV1_Format||e===RGB_PVRTC_2BPPV1_Format||e===RGBA_PVRTC_4BPPV1_Format||e===RGBA_PVRTC_2BPPV1_Format){if(null===(r=t.get("WEBGL_compressed_texture_pvrtc")))return null;if(e===RGB_PVRTC_4BPPV1_Format)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===RGB_PVRTC_2BPPV1_Format)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===RGBA_PVRTC_4BPPV1_Format)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===RGBA_PVRTC_2BPPV1_Format)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===RGB_ETC1_Format)return null!==(r=t.get("WEBGL_compressed_texture_etc1"))?r.COMPRESSED_RGB_ETC1_WEBGL:null;if((e===RGB_ETC2_Format||e===RGBA_ETC2_EAC_Format)&&null!==(r=t.get("WEBGL_compressed_texture_etc"))){if(e===RGB_ETC2_Format)return r.COMPRESSED_RGB8_ETC2;if(e===RGBA_ETC2_EAC_Format)return r.COMPRESSED_RGBA8_ETC2_EAC}return e===RGBA_ASTC_4x4_Format||e===RGBA_ASTC_5x4_Format||e===RGBA_ASTC_5x5_Format||e===RGBA_ASTC_6x5_Format||e===RGBA_ASTC_6x6_Format||e===RGBA_ASTC_8x5_Format||e===RGBA_ASTC_8x6_Format||e===RGBA_ASTC_8x8_Format||e===RGBA_ASTC_10x5_Format||e===RGBA_ASTC_10x6_Format||e===RGBA_ASTC_10x8_Format||e===RGBA_ASTC_10x10_Format||e===RGBA_ASTC_12x10_Format||e===RGBA_ASTC_12x12_Format||e===SRGB8_ALPHA8_ASTC_4x4_Format||e===SRGB8_ALPHA8_ASTC_5x4_Format||e===SRGB8_ALPHA8_ASTC_5x5_Format||e===SRGB8_ALPHA8_ASTC_6x5_Format||e===SRGB8_ALPHA8_ASTC_6x6_Format||e===SRGB8_ALPHA8_ASTC_8x5_Format||e===SRGB8_ALPHA8_ASTC_8x6_Format||e===SRGB8_ALPHA8_ASTC_8x8_Format||e===SRGB8_ALPHA8_ASTC_10x5_Format||e===SRGB8_ALPHA8_ASTC_10x6_Format||e===SRGB8_ALPHA8_ASTC_10x8_Format||e===SRGB8_ALPHA8_ASTC_10x10_Format||e===SRGB8_ALPHA8_ASTC_12x10_Format||e===SRGB8_ALPHA8_ASTC_12x12_Format?null!==(r=t.get("WEBGL_compressed_texture_astc"))?e:null:e===RGBA_BPTC_Format?null!==(r=t.get("EXT_texture_compression_bptc"))?e:null:e===UnsignedInt248Type?n?34042:null!==(r=t.get("WEBGL_depth_texture"))?r.UNSIGNED_INT_24_8_WEBGL:null:void 0}}}class ArrayCamera extends PerspectiveCamera{constructor(e=[]){super(),this.cameras=e}}ArrayCamera.prototype.isArrayCamera=!0;class Group extends Object3D{constructor(){super(),this.type="Group"}}Group.prototype.isGroup=!0;const _moveEvent={type:"move"};class WebXRController{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Group,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Group,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Vector3,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Vector3),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Group,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Vector3,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Vector3),this._grip}dispatchEvent(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(e,t,r){let n=null,i=null,a=null;const o=this._targetRay,s=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState)if(null!==o&&null!==(n=t.getPose(e.targetRaySpace,r))&&(o.matrix.fromArray(n.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),n.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(n.linearVelocity)):o.hasLinearVelocity=!1,n.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(n.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(_moveEvent)),l&&e.hand){a=!0;for(const n of e.hand.values()){const e=t.getJointPose(n,r);if(void 0===l.joints[n.jointName]){const e=new Group;e.matrixAutoUpdate=!1,e.visible=!1,l.joints[n.jointName]=e,l.add(e)}const i=l.joints[n.jointName];null!==e&&(i.matrix.fromArray(e.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.jointRadius=e.radius),i.visible=null!==e}const n=l.joints["index-finger-tip"],i=l.joints["thumb-tip"],o=n.position.distanceTo(i.position),s=.02,c=.005;l.inputState.pinching&&o>s+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&o<=s-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==s&&e.gripSpace&&null!==(i=t.getPose(e.gripSpace,r))&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1);return null!==o&&(o.visible=null!==n),null!==s&&(s.visible=null!==i),null!==l&&(l.visible=null!==a),this}}class WebXRManager extends EventDispatcher{constructor(e,t){super();const r=this,n=e.state;let i=null,a=1,o=null,s="local-floor",l=null;const c=[],h=new Map,u=new PerspectiveCamera;u.layers.enable(1),u.viewport=new Vector4;const d=new PerspectiveCamera;d.layers.enable(2),d.viewport=new Vector4;const p=[u,d],m=new ArrayCamera;m.layers.enable(1),m.layers.enable(2);let f=null,g=null;function v(e){const t=h.get(e.inputSource);t&&t.dispatchEvent({type:e.type,data:e.inputSource})}function _(){h.forEach(function(e,t){e.disconnect(t)}),h.clear(),f=null,g=null,n.bindXRFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),S.stop(),r.isPresenting=!1,r.dispatchEvent({type:"sessionend"})}function y(e){const t=i.inputSources;for(let e=0;e<c.length;e++)h.set(t[e],c[e]);for(let t=0;t<e.removed.length;t++){const r=e.removed[t],n=h.get(r);n&&(n.dispatchEvent({type:"disconnected",data:r}),h.delete(r))}for(let t=0;t<e.added.length;t++){const r=e.added[t],n=h.get(r);n&&n.dispatchEvent({type:"connected",data:r})}}this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=c[e];return void 0===t&&(t=new WebXRController,c[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=c[e];return void 0===t&&(t=new WebXRController,c[e]=t),t.getGripSpace()},this.getHand=function(e){let t=c[e];return void 0===t&&(t=new WebXRController,c[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){a=e,!0===r.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){s=e,!0===r.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return o},this.getSession=function(){return i},this.setSession=async function(e){if(null!==(i=e)){i.addEventListener("select",v),i.addEventListener("selectstart",v),i.addEventListener("selectend",v),i.addEventListener("squeeze",v),i.addEventListener("squeezestart",v),i.addEventListener("squeezeend",v),i.addEventListener("end",_),i.addEventListener("inputsourceschange",y);const e=t.getContextAttributes();!0!==e.xrCompatible&&await t.makeXRCompatible();const n={antialias:e.antialias,alpha:e.alpha,depth:e.depth,stencil:e.stencil,framebufferScaleFactor:a},l=new XRWebGLLayer(i,t,n);i.updateRenderState({baseLayer:l}),o=await i.requestReferenceSpace(s),S.setContext(i),S.start(),r.isPresenting=!0,r.dispatchEvent({type:"sessionstart"})}};const x=new Vector3,b=new Vector3;function M(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.getCamera=function(e){m.near=d.near=u.near=e.near,m.far=d.far=u.far=e.far,f===m.near&&g===m.far||(i.updateRenderState({depthNear:m.near,depthFar:m.far}),f=m.near,g=m.far);const t=e.parent,r=m.cameras;M(m,t);for(let e=0;e<r.length;e++)M(r[e],t);e.matrixWorld.copy(m.matrixWorld),e.matrix.copy(m.matrix),e.matrix.decompose(e.position,e.quaternion,e.scale);const n=e.children;for(let e=0,t=n.length;e<t;e++)n[e].updateMatrixWorld(!0);return 2===r.length?function(e,t,r){x.setFromMatrixPosition(t.matrixWorld),b.setFromMatrixPosition(r.matrixWorld);const n=x.distanceTo(b),i=t.projectionMatrix.elements,a=r.projectionMatrix.elements,o=i[14]/(i[10]-1),s=i[14]/(i[10]+1),l=(i[9]+1)/i[5],c=(i[9]-1)/i[5],h=(i[8]-1)/i[0],u=(a[8]+1)/a[0],d=o*h,p=o*u,m=n/(-h+u),f=m*-h;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(f),e.translateZ(m),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=o+m,v=s+m,_=d-f,y=p+(n-f),M=l*s/v*g,w=c*s/v*g;e.projectionMatrix.makePerspective(_,y,M,w,g,v)}(m,u,d):m.projectionMatrix.copy(u.projectionMatrix),m};let w=null;const S=new WebGLAnimation;S.setAnimationLoop(function(e,t){if(null!==(l=t.getViewerPose(o))){const e=l.views,t=i.renderState.baseLayer;n.bindXRFramebuffer(t.framebuffer);let r=!1;e.length!==m.cameras.length&&(m.cameras.length=0,r=!0);for(let n=0;n<e.length;n++){const i=e[n],a=t.getViewport(i),o=p[n];o.matrix.fromArray(i.transform.matrix),o.projectionMatrix.fromArray(i.projectionMatrix),o.viewport.set(a.x,a.y,a.width,a.height),0===n&&m.matrix.copy(o.matrix),!0===r&&m.cameras.push(o)}}const r=i.inputSources;for(let e=0;e<c.length;e++){const n=c[e],i=r[e];n.update(i,t,o)}w&&w(e,t)}),this.setAnimationLoop=function(e){w=e},this.dispose=function(){}}}function WebGLMaterials(e){function t(t,r){t.opacity.value=r.opacity,r.color&&t.diffuse.value.copy(r.color),r.emissive&&t.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(t.map.value=r.map),r.alphaMap&&(t.alphaMap.value=r.alphaMap),r.specularMap&&(t.specularMap.value=r.specularMap);const n=e.get(r).envMap;if(n){t.envMap.value=n,t.flipEnvMap.value=n.isCubeTexture&&n._needsFlipEnvMap?-1:1,t.reflectivity.value=r.reflectivity,t.refractionRatio.value=r.refractionRatio;const i=e.get(n).__maxMipLevel;void 0!==i&&(t.maxMipLevel.value=i)}let i,a;r.lightMap&&(t.lightMap.value=r.lightMap,t.lightMapIntensity.value=r.lightMapIntensity),r.aoMap&&(t.aoMap.value=r.aoMap,t.aoMapIntensity.value=r.aoMapIntensity),r.map?i=r.map:r.specularMap?i=r.specularMap:r.displacementMap?i=r.displacementMap:r.normalMap?i=r.normalMap:r.bumpMap?i=r.bumpMap:r.roughnessMap?i=r.roughnessMap:r.metalnessMap?i=r.metalnessMap:r.alphaMap?i=r.alphaMap:r.emissiveMap?i=r.emissiveMap:r.clearcoatMap?i=r.clearcoatMap:r.clearcoatNormalMap?i=r.clearcoatNormalMap:r.clearcoatRoughnessMap&&(i=r.clearcoatRoughnessMap),void 0!==i&&(i.isWebGLRenderTarget&&(i=i.texture),!0===i.matrixAutoUpdate&&i.updateMatrix(),t.uvTransform.value.copy(i.matrix)),r.aoMap?a=r.aoMap:r.lightMap&&(a=r.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),t.uv2Transform.value.copy(a.matrix))}function r(t,r){t.roughness.value=r.roughness,t.metalness.value=r.metalness,r.roughnessMap&&(t.roughnessMap.value=r.roughnessMap),r.metalnessMap&&(t.metalnessMap.value=r.metalnessMap),r.emissiveMap&&(t.emissiveMap.value=r.emissiveMap),r.bumpMap&&(t.bumpMap.value=r.bumpMap,t.bumpScale.value=r.bumpScale,r.side===BackSide&&(t.bumpScale.value*=-1)),r.normalMap&&(t.normalMap.value=r.normalMap,t.normalScale.value.copy(r.normalScale),r.side===BackSide&&t.normalScale.value.negate()),r.displacementMap&&(t.displacementMap.value=r.displacementMap,t.displacementScale.value=r.displacementScale,t.displacementBias.value=r.displacementBias),e.get(r).envMap&&(t.envMapIntensity.value=r.envMapIntensity)}return{refreshFogUniforms:function(e,t){e.fogColor.value.copy(t.color),t.isFog?(e.fogNear.value=t.near,e.fogFar.value=t.far):t.isFogExp2&&(e.fogDensity.value=t.density)},refreshMaterialUniforms:function(e,n,i,a){n.isMeshBasicMaterial?t(e,n):n.isMeshLambertMaterial?(t(e,n),function(e,t){t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap)}(e,n)):n.isMeshToonMaterial?(t(e,n),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===BackSide&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===BackSide&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,n)):n.isMeshPhongMaterial?(t(e,n),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4),t.emissiveMap&&(e.emissiveMap.value=t.emissiveMap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===BackSide&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===BackSide&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,n)):n.isMeshStandardMaterial?(t(e,n),n.isMeshPhysicalMaterial?function(e,t){r(e,t),e.reflectivity.value=t.reflectivity,e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.sheen&&e.sheen.value.copy(t.sheen),t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap),t.clearcoatNormalMap&&(e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),e.clearcoatNormalMap.value=t.clearcoatNormalMap,t.side===BackSide&&e.clearcoatNormalScale.value.negate()),e.transmission.value=t.transmission,t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap)}(e,n):r(e,n)):n.isMeshMatcapMaterial?(t(e,n),function(e,t){t.matcap&&(e.matcap.value=t.matcap),t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===BackSide&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===BackSide&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,n)):n.isMeshDepthMaterial?(t(e,n),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,n)):n.isMeshDistanceMaterial?(t(e,n),function(e,t){t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias),e.referencePosition.value.copy(t.referencePosition),e.nearDistance.value=t.nearDistance,e.farDistance.value=t.farDistance}(e,n)):n.isMeshNormalMaterial?(t(e,n),function(e,t){t.bumpMap&&(e.bumpMap.value=t.bumpMap,e.bumpScale.value=t.bumpScale,t.side===BackSide&&(e.bumpScale.value*=-1)),t.normalMap&&(e.normalMap.value=t.normalMap,e.normalScale.value.copy(t.normalScale),t.side===BackSide&&e.normalScale.value.negate()),t.displacementMap&&(e.displacementMap.value=t.displacementMap,e.displacementScale.value=t.displacementScale,e.displacementBias.value=t.displacementBias)}(e,n)):n.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity}(e,n),n.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,n)):n.isPointsMaterial?function(e,t,r,n){let i;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*r,e.scale.value=.5*n,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?i=t.map:t.alphaMap&&(i=t.alphaMap),void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),e.uvTransform.value.copy(i.matrix))}(e,n,i,a):n.isSpriteMaterial?function(e,t){let r;e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.rotation.value=t.rotation,t.map&&(e.map.value=t.map),t.alphaMap&&(e.alphaMap.value=t.alphaMap),t.map?r=t.map:t.alphaMap&&(r=t.alphaMap),void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uvTransform.value.copy(r.matrix))}(e,n):n.isShadowMaterial?(e.color.value.copy(n.color),e.opacity.value=n.opacity):n.isShaderMaterial&&(n.uniformsNeedUpdate=!1)}}}function createCanvasElement(){const e=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");return e.style.display="block",e}function WebGLRenderer(e){const t=void 0!==(e=e||{}).canvas?e.canvas:createCanvasElement(),r=void 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e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),n.lightsStateVersion=o,n.needsLights&&(u.ambientLightColor.value=i.state.ambient,u.lightProbe.value=i.state.probe,u.directionalLights.value=i.state.directional,u.directionalLightShadows.value=i.state.directionalShadow,u.spotLights.value=i.state.spot,u.spotLightShadows.value=i.state.spotShadow,u.rectAreaLights.value=i.state.rectArea,u.ltc_1.value=i.state.rectAreaLTC1,u.ltc_2.value=i.state.rectAreaLTC2,u.pointLights.value=i.state.point,u.pointLightShadows.value=i.state.pointShadow,u.hemisphereLights.value=i.state.hemi,u.directionalShadowMap.value=i.state.directionalShadowMap,u.directionalShadowMatrix.value=i.state.directionalShadowMatrix,u.spotShadowMap.value=i.state.spotShadowMap,u.spotShadowMatrix.value=i.state.spotShadowMatrix,u.pointShadowMap.value=i.state.pointShadowMap,u.pointShadowMatrix.value=i.state.pointShadowMatrix);const p=h.getUniforms(),m=WebGLUniforms.seqWithValue(p.seq,u);return n.currentProgram=h,n.uniformsList=m,h}function Me(e,t){const r=W.get(e);r.outputEncoding=t.outputEncoding,r.instancing=t.instancing,r.numClippingPlanes=t.numClippingPlanes,r.numIntersection=t.numClipIntersection,r.vertexAlphas=t.vertexAlphas}function we(e,t,r,n){!0!==t.isScene&&(t=N),j.resetTextureUnits();const i=t.fog,a=r.isMeshStandardMaterial?t.environment:null,o=null===y?f.outputEncoding:y.texture.encoding,s=q.get(r.envMap||a),l=!0===r.vertexColors&&n.geometry&&n.geometry.attributes.color&&4===n.geometry.attributes.color.itemSize,c=W.get(r),h=d.state.lights;if(!0===I&&(!0===G||e!==b)){const t=e===b&&r.id===x;ee.setState(r,e,t)}let u=!1;r.version===c.__version?c.needsLights&&c.lightsStateVersion!==h.state.version?u=!0:c.outputEncoding!==o?u=!0:n.isInstancedMesh&&!1===c.instancing?u=!0:n.isInstancedMesh||!0!==c.instancing?c.envMap!==s?u=!0:r.fog&&c.fog!==i?u=!0:void 0===c.numClippingPlanes||c.numClippingPlanes===ee.numPlanes&&c.numIntersection===ee.numIntersection?c.vertexAlphas!==l&&(u=!0):u=!0:u=!0:(u=!0,c.__version=r.version);let p=c.currentProgram;!0===u&&(p=be(r,t,n));let m=!1,g=!1,v=!1;const _=p.getUniforms(),M=c.uniforms;if(H.useProgram(p.program)&&(m=!0,g=!0,v=!0),r.id!==x&&(x=r.id,g=!0),m||b!==e){if(_.setValue(le,"projectionMatrix",e.projectionMatrix),z.logarithmicDepthBuffer&&_.setValue(le,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),b!==e&&(b=e,g=!0,v=!0),r.isShaderMaterial||r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshStandardMaterial||r.envMap){const t=_.map.cameraPosition;void 0!==t&&t.setValue(le,V.setFromMatrixPosition(e.matrixWorld))}(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial)&&_.setValue(le,"isOrthographic",!0===e.isOrthographicCamera),(r.isMeshPhongMaterial||r.isMeshToonMaterial||r.isMeshLambertMaterial||r.isMeshBasicMaterial||r.isMeshStandardMaterial||r.isShaderMaterial||r.isShadowMaterial||r.skinning)&&_.setValue(le,"viewMatrix",e.matrixWorldInverse)}if(r.skinning){_.setOptional(le,n,"bindMatrix"),_.setOptional(le,n,"bindMatrixInverse");const e=n.skeleton;if(e){const t=e.bones;if(z.floatVertexTextures){if(null===e.boneTexture){let r=Math.sqrt(4*t.length);r=ceilPowerOfTwo(r),r=Math.max(r,4);const n=new Float32Array(r*r*4);n.set(e.boneMatrices);const i=new DataTexture(n,r,r,RGBAFormat,FloatType);e.boneMatrices=n,e.boneTexture=i,e.boneTextureSize=r}_.setValue(le,"boneTexture",e.boneTexture,j),_.setValue(le,"boneTextureSize",e.boneTextureSize)}else _.setOptional(le,e,"boneMatrices")}}var w,S;return(g||c.receiveShadow!==n.receiveShadow)&&(c.receiveShadow=n.receiveShadow,_.setValue(le,"receiveShadow",n.receiveShadow)),g&&(_.setValue(le,"toneMappingExposure",f.toneMappingExposure),c.needsLights&&(S=v,(w=M).ambientLightColor.needsUpdate=S,w.lightProbe.needsUpdate=S,w.directionalLights.needsUpdate=S,w.directionalLightShadows.needsUpdate=S,w.pointLights.needsUpdate=S,w.pointLightShadows.needsUpdate=S,w.spotLights.needsUpdate=S,w.spotLightShadows.needsUpdate=S,w.rectAreaLights.needsUpdate=S,w.hemisphereLights.needsUpdate=S),i&&r.fog&&J.refreshFogUniforms(M,i),J.refreshMaterialUniforms(M,r,A,E),WebGLUniforms.upload(le,c.uniformsList,M,j)),r.isShaderMaterial&&!0===r.uniformsNeedUpdate&&(WebGLUniforms.upload(le,c.uniformsList,M,j),r.uniformsNeedUpdate=!1),r.isSpriteMaterial&&_.setValue(le,"center",n.center),_.setValue(le,"modelViewMatrix",n.modelViewMatrix),_.setValue(le,"normalMatrix",n.normalMatrix),_.setValue(le,"modelMatrix",n.matrixWorld),p}_e.setAnimationLoop(function(e){fe&&fe(e)}),"undefined"!=typeof window&&_e.setContext(window),this.setAnimationLoop=function(e){fe=e,ue.setAnimationLoop(e),null===e?_e.stop():_e.start()},ue.addEventListener("sessionstart",ge),ue.addEventListener("sessionend",ve),this.render=function(e,t){let r,n;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),r=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),n=arguments[3]),void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===g)return;!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),!0===ue.enabled&&!0===ue.isPresenting&&(t=ue.getCamera(t)),!0===e.isScene&&e.onBeforeRender(f,e,t,r||y),(d=K.get(e,m.length)).init(),m.push(d),F.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),D.setFromProjectionMatrix(F),G=this.localClippingEnabled,I=ee.init(this.clippingPlanes,G,t),(u=Q.get(e,p.length)).init(),p.push(u),function e(t,r,n,i){if(!1===t.visible)return;const a=t.layers.test(r.layers);if(a)if(t.isGroup)n=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(r);else if(t.isLight)d.pushLight(t),t.castShadow&&d.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||D.intersectsSprite(t)){i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F);const e=Y.update(t),r=t.material;r.visible&&u.push(t,e,r,n,V.z,null)}}else if(t.isImmediateRenderObject)i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F),u.push(t,null,t.material,n,V.z,null);else if((t.isMesh||t.isLine||t.isPoints)&&(t.isSkinnedMesh&&t.skeleton.frame!==k.render.frame&&(t.skeleton.update(),t.skeleton.frame=k.render.frame),!t.frustumCulled||D.intersectsObject(t))){i&&V.setFromMatrixPosition(t.matrixWorld).applyMatrix4(F);const e=Y.update(t),r=t.material;if(Array.isArray(r)){const i=e.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&u.push(t,e,s,n,V.z,o)}}else r.visible&&u.push(t,e,r,n,V.z,null)}const o=t.children;for(let t=0,a=o.length;t<a;t++)e(o[t],r,n,i)}(e,t,0,f.sortObjects),u.finish(),!0===f.sortObjects&&u.sort(L,C),!0===I&&ee.beginShadows();const i=d.state.shadowsArray;te.render(i,e,t),d.setupLights(),d.setupLightsView(t),!0===I&&ee.endShadows(),!0===this.info.autoReset&&this.info.reset(),void 0!==r&&this.setRenderTarget(r),re.render(u,e,t,n);const a=u.opaque,o=u.transparent;a.length>0&&ye(a,e,t),o.length>0&&ye(o,e,t),null!==y&&(j.updateRenderTargetMipmap(y),j.updateMultisampleRenderTarget(y)),!0===e.isScene&&e.onAfterRender(f,e,t),H.buffers.depth.setTest(!0),H.buffers.depth.setMask(!0),H.buffers.color.setMask(!0),H.setPolygonOffset(!1),se.resetDefaultState(),x=-1,b=null,m.pop(),d=m.length>0?m[m.length-1]:null,p.pop(),u=p.length>0?p[p.length-1]:null},this.getActiveCubeFace=function(){return v},this.getActiveMipmapLevel=function(){return _},this.getRenderTarget=function(){return y},this.setRenderTarget=function(e,t=0,r=0){y=e,v=t,_=r,e&&void 0===W.get(e).__webglFramebuffer&&j.setupRenderTarget(e);let n=null,i=!1,a=!1;if(e){const r=e.texture;(r.isDataTexture3D||r.isDataTexture2DArray)&&(a=!0);const o=W.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(n=o[t],i=!0):n=e.isWebGLMultisampleRenderTarget?W.get(e).__webglMultisampledFramebuffer:o,M.copy(e.viewport),w.copy(e.scissor),S=e.scissorTest}else M.copy(R).multiplyScalar(A).floor(),w.copy(P).multiplyScalar(A).floor(),S=B;if(H.bindFramebuffer(36160,n),H.viewport(M),H.scissor(w),H.setScissorTest(S),i){const n=W.get(e.texture);le.framebufferTexture2D(36160,36064,34069+t,n.__webglTexture,r)}else if(a){const n=W.get(e.texture),i=t||0;le.framebufferTextureLayer(36160,36064,n.__webglTexture,r||0,i)}},this.readRenderTargetPixels=function(e,t,r,n,i,a,o){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let s=W.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){H.bindFramebuffer(36160,s);try{const o=e.texture,s=o.format,l=o.type;if(s!==RGBAFormat&&oe.convert(s)!==le.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===HalfFloatType&&(O.has("EXT_color_buffer_half_float")||z.isWebGL2&&O.has("EXT_color_buffer_float"));if(!(l===UnsignedByteType||oe.convert(l)===le.getParameter(35738)||l===FloatType&&(z.isWebGL2||O.has("OES_texture_float")||O.has("WEBGL_color_buffer_float"))||c))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===le.checkFramebufferStatus(36160)?t>=0&&t<=e.width-n&&r>=0&&r<=e.height-i&&le.readPixels(t,r,n,i,oe.convert(s),oe.convert(l),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{const e=null!==y?W.get(y).__webglFramebuffer:null;H.bindFramebuffer(36160,e)}}},this.copyFramebufferToTexture=function(e,t,r=0){const n=Math.pow(2,-r),i=Math.floor(t.image.width*n),a=Math.floor(t.image.height*n),o=oe.convert(t.format);j.setTexture2D(t,0),le.copyTexImage2D(3553,r,o,e.x,e.y,i,a,0),H.unbindTexture()},this.copyTextureToTexture=function(e,t,r,n=0){const i=t.image.width,a=t.image.height,o=oe.convert(r.format),s=oe.convert(r.type);j.setTexture2D(r,0),le.pixelStorei(37440,r.flipY),le.pixelStorei(37441,r.premultiplyAlpha),le.pixelStorei(3317,r.unpackAlignment),t.isDataTexture?le.texSubImage2D(3553,n,e.x,e.y,i,a,o,s,t.image.data):t.isCompressedTexture?le.compressedTexSubImage2D(3553,n,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):le.texSubImage2D(3553,n,e.x,e.y,o,s,t.image),0===n&&r.generateMipmaps&&le.generateMipmap(3553),H.unbindTexture()},this.copyTextureToTexture3D=function(e,t,r,n,i=0){if(f.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const{width:a,height:o,data:s}=r.image,l=oe.convert(n.format),c=oe.convert(n.type);let h;if(n.isDataTexture3D)j.setTexture3D(n,0),h=32879;else{if(!n.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");j.setTexture2DArray(n,0),h=35866}le.pixelStorei(37440,n.flipY),le.pixelStorei(37441,n.premultiplyAlpha),le.pixelStorei(3317,n.unpackAlignment);const u=le.getParameter(3314),d=le.getParameter(32878),p=le.getParameter(3316),m=le.getParameter(3315),g=le.getParameter(32877);le.pixelStorei(3314,a),le.pixelStorei(32878,o),le.pixelStorei(3316,e.min.x),le.pixelStorei(3315,e.min.y),le.pixelStorei(32877,e.min.z),le.texSubImage3D(h,i,t.x,t.y,t.z,e.max.x-e.min.x+1,e.max.y-e.min.y+1,e.max.z-e.min.z+1,l,c,s),le.pixelStorei(3314,u),le.pixelStorei(32878,d),le.pixelStorei(3316,p),le.pixelStorei(3315,m),le.pixelStorei(32877,g),0===i&&n.generateMipmaps&&le.generateMipmap(h),H.unbindTexture()},this.initTexture=function(e){j.setTexture2D(e,0),H.unbindTexture()},this.resetState=function(){v=0,_=0,y=null,H.reset(),se.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}class WebGL1Renderer extends WebGLRenderer{}WebGL1Renderer.prototype.isWebGL1Renderer=!0;class FogExp2{constructor(e,t=25e-5){this.name="",this.color=new Color(e),this.density=t}clone(){return new FogExp2(this.color,this.density)}toJSON(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}FogExp2.prototype.isFogExp2=!0;class Fog{constructor(e,t=1,r=1e3){this.name="",this.color=new Color(e),this.near=t,this.far=r}clone(){return new Fog(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}Fog.prototype.isFog=!0;class Scene extends Object3D{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.autoUpdate=e.autoUpdate,this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.background&&(t.object.background=this.background.toJSON(e)),null!==this.environment&&(t.object.environment=this.environment.toJSON(e)),null!==this.fog&&(t.object.fog=this.fog.toJSON()),t}}Scene.prototype.isScene=!0;class InterleavedBuffer{constructor(e,t){this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=StaticDrawUsage,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=generateUUID(),this.onUploadCallback=function(){}}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,r){e*=this.stride,r*=t.stride;for(let n=0,i=this.stride;n<i;n++)this.array[e+n]=t.array[r+n];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=generateUUID()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),r=new InterleavedBuffer(t,this.stride);return r.setUsage(this.usage),r}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=generateUUID()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}InterleavedBuffer.prototype.isInterleavedBuffer=!0;const _vector$6=new Vector3;class InterleavedBufferAttribute{constructor(e,t,r,n){this.name="",this.data=e,this.itemSize=t,this.offset=r,this.normalized=!0===n}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,r=this.data.count;t<r;t++)_vector$6.x=this.getX(t),_vector$6.y=this.getY(t),_vector$6.z=this.getZ(t),_vector$6.applyMatrix4(e),this.setXYZ(t,_vector$6.x,_vector$6.y,_vector$6.z);return this}applyNormalMatrix(e){for(let t=0,r=this.count;t<r;t++)_vector$6.x=this.getX(t),_vector$6.y=this.getY(t),_vector$6.z=this.getZ(t),_vector$6.applyNormalMatrix(e),this.setXYZ(t,_vector$6.x,_vector$6.y,_vector$6.z);return this}transformDirection(e){for(let t=0,r=this.count;t<r;t++)_vector$6.x=this.getX(t),_vector$6.y=this.getY(t),_vector$6.z=this.getZ(t),_vector$6.transformDirection(e),this.setXYZ(t,_vector$6.x,_vector$6.y,_vector$6.z);return this}setX(e,t){return this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){return this.data.array[e*this.data.stride+this.offset]}getY(e){return this.data.array[e*this.data.stride+this.offset+1]}getZ(e){return this.data.array[e*this.data.stride+this.offset+2]}getW(e){return this.data.array[e*this.data.stride+this.offset+3]}setXY(e,t,r){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=r,this}setXYZ(e,t,r,n){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=r,this.data.array[e+2]=n,this}setXYZW(e,t,r,n,i){return e=e*this.data.stride+this.offset,this.data.array[e+0]=t,this.data.array[e+1]=r,this.data.array[e+2]=n,this.data.array[e+3]=i,this}clone(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const r=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[r+t])}return new BufferAttribute(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new InterleavedBufferAttribute(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const r=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[r+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}InterleavedBufferAttribute.prototype.isInterleavedBufferAttribute=!0;class SpriteMaterial extends Material{constructor(e){super(),this.type="SpriteMaterial",this.color=new Color(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this}}let _geometry;SpriteMaterial.prototype.isSpriteMaterial=!0;const _intersectPoint=new Vector3,_worldScale=new Vector3,_mvPosition=new Vector3,_alignedPosition=new Vector2,_rotatedPosition=new Vector2,_viewWorldMatrix=new Matrix4,_vA=new Vector3,_vB=new Vector3,_vC=new Vector3,_uvA=new Vector2,_uvB=new Vector2,_uvC=new Vector2;class Sprite extends Object3D{constructor(e){if(super(),this.type="Sprite",void 0===_geometry){_geometry=new BufferGeometry;const e=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),t=new InterleavedBuffer(e,5);_geometry.setIndex([0,1,2,0,2,3]),_geometry.setAttribute("position",new InterleavedBufferAttribute(t,3,0,!1)),_geometry.setAttribute("uv",new InterleavedBufferAttribute(t,2,3,!1))}this.geometry=_geometry,this.material=void 0!==e?e:new SpriteMaterial,this.center=new Vector2(.5,.5)}raycast(e,t){null===e.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),_worldScale.setFromMatrixScale(this.matrixWorld),_viewWorldMatrix.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),_mvPosition.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&_worldScale.multiplyScalar(-_mvPosition.z);const r=this.material.rotation;let n,i;0!==r&&(i=Math.cos(r),n=Math.sin(r));const a=this.center;transformVertex(_vA.set(-.5,-.5,0),_mvPosition,a,_worldScale,n,i),transformVertex(_vB.set(.5,-.5,0),_mvPosition,a,_worldScale,n,i),transformVertex(_vC.set(.5,.5,0),_mvPosition,a,_worldScale,n,i),_uvA.set(0,0),_uvB.set(1,0),_uvC.set(1,1);let o=e.ray.intersectTriangle(_vA,_vB,_vC,!1,_intersectPoint);if(null===o&&(transformVertex(_vB.set(-.5,.5,0),_mvPosition,a,_worldScale,n,i),_uvB.set(0,1),null===(o=e.ray.intersectTriangle(_vA,_vC,_vB,!1,_intersectPoint))))return;const s=e.ray.origin.distanceTo(_intersectPoint);s<e.near||s>e.far||t.push({distance:s,point:_intersectPoint.clone(),uv:Triangle.getUV(_intersectPoint,_vA,_vB,_vC,_uvA,_uvB,_uvC,new Vector2),face:null,object:this})}copy(e){return super.copy(e),void 0!==e.center&&this.center.copy(e.center),this.material=e.material,this}}function transformVertex(e,t,r,n,i,a){_alignedPosition.subVectors(e,r).addScalar(.5).multiply(n),void 0!==i?(_rotatedPosition.x=a*_alignedPosition.x-i*_alignedPosition.y,_rotatedPosition.y=i*_alignedPosition.x+a*_alignedPosition.y):_rotatedPosition.copy(_alignedPosition),e.copy(t),e.x+=_rotatedPosition.x,e.y+=_rotatedPosition.y,e.applyMatrix4(_viewWorldMatrix)}Sprite.prototype.isSprite=!0;const _v1$2=new Vector3,_v2$1=new Vector3;class LOD extends Object3D{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);const t=e.levels;for(let e=0,r=t.length;e<r;e++){const r=t[e];this.addLevel(r.object.clone(),r.distance)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0){t=Math.abs(t);const r=this.levels;let n;for(n=0;n<r.length&&!(t<r[n].distance);n++);return r.splice(n,0,{distance:t,object:e}),this.add(e),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){const t=this.levels;if(t.length>0){let r,n;for(r=1,n=t.length;r<n&&!(e<t[r].distance);r++);return t[r-1].object}return null}raycast(e,t){if(this.levels.length>0){_v1$2.setFromMatrixPosition(this.matrixWorld);const r=e.ray.origin.distanceTo(_v1$2);this.getObjectForDistance(r).raycast(e,t)}}update(e){const t=this.levels;if(t.length>1){_v1$2.setFromMatrixPosition(e.matrixWorld),_v2$1.setFromMatrixPosition(this.matrixWorld);const r=_v1$2.distanceTo(_v2$1)/e.zoom;let n,i;for(t[0].object.visible=!0,n=1,i=t.length;n<i&&r>=t[n].distance;n++)t[n-1].object.visible=!1,t[n].object.visible=!0;for(this._currentLevel=n-1;n<i;n++)t[n].object.visible=!1}}toJSON(e){const t=super.toJSON(e);!1===this.autoUpdate&&(t.object.autoUpdate=!1),t.object.levels=[];const r=this.levels;for(let e=0,n=r.length;e<n;e++){const n=r[e];t.object.levels.push({object:n.object.uuid,distance:n.distance})}return t}}const _basePosition=new Vector3,_skinIndex=new Vector4,_skinWeight=new Vector4,_vector$5=new Vector3,_matrix=new Matrix4;class SkinnedMesh extends Mesh{constructor(e,t){super(e,t),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Matrix4,this.bindMatrixInverse=new Matrix4}copy(e){return super.copy(e),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,this}bind(e,t){this.skeleton=e,void 0===t&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const e=new Vector4,t=this.geometry.attributes.skinWeight;for(let r=0,n=t.count;r<n;r++){e.x=t.getX(r),e.y=t.getY(r),e.z=t.getZ(r),e.w=t.getW(r);const n=1/e.manhattanLength();n!==1/0?e.multiplyScalar(n):e.set(1,0,0,0),t.setXYZW(r,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(e,t){const r=this.skeleton,n=this.geometry;_skinIndex.fromBufferAttribute(n.attributes.skinIndex,e),_skinWeight.fromBufferAttribute(n.attributes.skinWeight,e),_basePosition.fromBufferAttribute(n.attributes.position,e).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const n=_skinWeight.getComponent(e);if(0!==n){const i=_skinIndex.getComponent(e);_matrix.multiplyMatrices(r.bones[i].matrixWorld,r.boneInverses[i]),t.addScaledVector(_vector$5.copy(_basePosition).applyMatrix4(_matrix),n)}}return t.applyMatrix4(this.bindMatrixInverse)}}SkinnedMesh.prototype.isSkinnedMesh=!0;class Bone extends Object3D{constructor(){super(),this.type="Bone"}}Bone.prototype.isBone=!0;const _offsetMatrix=new Matrix4,_identityMatrix=new Matrix4;class Skeleton{constructor(e=[],t=[]){this.uuid=generateUUID(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(16*e.length),0===t.length)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new Matrix4)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new Matrix4;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){const e=this.bones,t=this.boneInverses,r=this.boneMatrices,n=this.boneTexture;for(let n=0,i=e.length;n<i;n++){const i=e[n]?e[n].matrixWorld:_identityMatrix;_offsetMatrix.multiplyMatrices(i,t[n]),_offsetMatrix.toArray(r,16*n)}null!==n&&(n.needsUpdate=!0)}clone(){return new Skeleton(this.bones,this.boneInverses)}getBoneByName(e){for(let t=0,r=this.bones.length;t<r;t++){const r=this.bones[t];if(r.name===e)return r}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let r=0,n=e.bones.length;r<n;r++){const n=e.bones[r];let i=t[n];void 0===i&&(console.warn("THREE.Skeleton: No bone found with UUID:",n),i=new Bone),this.bones.push(i),this.boneInverses.push((new Matrix4).fromArray(e.boneInverses[r]))}return this.init(),this}toJSON(){const e={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,r=this.boneInverses;for(let n=0,i=t.length;n<i;n++){const i=t[n];e.bones.push(i.uuid);const a=r[n];e.boneInverses.push(a.toArray())}return e}}const _instanceLocalMatrix=new Matrix4,_instanceWorldMatrix=new Matrix4,_instanceIntersects=[],_mesh=new Mesh;class InstancedMesh extends Mesh{constructor(e,t,r){super(e,t),this.instanceMatrix=new BufferAttribute(new Float32Array(16*r),16),this.instanceColor=null,this.count=r,this.frustumCulled=!1}copy(e){return super.copy(e),this.instanceMatrix.copy(e.instanceMatrix),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,this}getColorAt(e,t){t.fromArray(this.instanceColor.array,3*e)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,16*e)}raycast(e,t){const r=this.matrixWorld,n=this.count;if(_mesh.geometry=this.geometry,_mesh.material=this.material,void 0!==_mesh.material)for(let i=0;i<n;i++){this.getMatrixAt(i,_instanceLocalMatrix),_instanceWorldMatrix.multiplyMatrices(r,_instanceLocalMatrix),_mesh.matrixWorld=_instanceWorldMatrix,_mesh.raycast(e,_instanceIntersects);for(let e=0,r=_instanceIntersects.length;e<r;e++){const r=_instanceIntersects[e];r.instanceId=i,r.object=this,t.push(r)}_instanceIntersects.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new BufferAttribute(new Float32Array(3*this.count),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}InstancedMesh.prototype.isInstancedMesh=!0;class LineBasicMaterial extends Material{constructor(e){super(),this.type="LineBasicMaterial",this.color=new Color(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.morphTargets=e.morphTargets,this}}LineBasicMaterial.prototype.isLineBasicMaterial=!0;const _start$1=new Vector3,_end$1=new Vector3,_inverseMatrix$1=new Matrix4,_ray$1=new Ray,_sphere$1=new Sphere;class Line extends Object3D{constructor(e=new BufferGeometry,t=new LineBasicMaterial){super(),this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),this.material=e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,r=[0];for(let e=1,n=t.count;e<n;e++)_start$1.fromBufferAttribute(t,e-1),_end$1.fromBufferAttribute(t,e),r[e]=r[e-1],r[e]+=_start$1.distanceTo(_end$1);e.setAttribute("lineDistance",new Float32BufferAttribute(r,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}raycast(e,t){const r=this.geometry,n=this.matrixWorld,i=e.params.Line.threshold,a=r.drawRange;if(null===r.boundingSphere&&r.computeBoundingSphere(),_sphere$1.copy(r.boundingSphere),_sphere$1.applyMatrix4(n),_sphere$1.radius+=i,!1===e.ray.intersectsSphere(_sphere$1))return;_inverseMatrix$1.copy(n).invert(),_ray$1.copy(e.ray).applyMatrix4(_inverseMatrix$1);const o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,l=new Vector3,c=new Vector3,h=new Vector3,u=new Vector3,d=this.isLineSegments?2:1;if(r.isBufferGeometry){const n=r.index,i=r.attributes.position;if(null!==n){for(let r=Math.max(0,a.start),o=Math.min(n.count,a.start+a.count)-1;r<o;r+=d){const a=n.getX(r),o=n.getX(r+1);if(l.fromBufferAttribute(i,a),c.fromBufferAttribute(i,o),_ray$1.distanceSqToSegment(l,c,u,h)>s)continue;u.applyMatrix4(this.matrixWorld);const d=e.ray.origin.distanceTo(u);d<e.near||d>e.far||t.push({distance:d,point:h.clone().applyMatrix4(this.matrixWorld),index:r,face:null,faceIndex:null,object:this})}}else{for(let r=Math.max(0,a.start),n=Math.min(i.count,a.start+a.count)-1;r<n;r+=d){if(l.fromBufferAttribute(i,r),c.fromBufferAttribute(i,r+1),_ray$1.distanceSqToSegment(l,c,u,h)>s)continue;u.applyMatrix4(this.matrixWorld);const n=e.ray.origin.distanceTo(u);n<e.near||n>e.far||t.push({distance:n,point:h.clone().applyMatrix4(this.matrixWorld),index:r,face:null,faceIndex:null,object:this})}}}else r.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,r=Object.keys(t);if(r.length>0){const e=t[r[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,r=e.length;t<r;t++){const r=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[r]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}Line.prototype.isLine=!0;const _start=new Vector3,_end=new Vector3;class LineSegments extends Line{constructor(e,t){super(e,t),this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(e.isBufferGeometry)if(null===e.index){const t=e.attributes.position,r=[];for(let e=0,n=t.count;e<n;e+=2)_start.fromBufferAttribute(t,e),_end.fromBufferAttribute(t,e+1),r[e]=0===e?0:r[e-1],r[e+1]=r[e]+_start.distanceTo(_end);e.setAttribute("lineDistance",new Float32BufferAttribute(r,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else e.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}}LineSegments.prototype.isLineSegments=!0;class LineLoop extends Line{constructor(e,t){super(e,t),this.type="LineLoop"}}LineLoop.prototype.isLineLoop=!0;class PointsMaterial extends Material{constructor(e){super(),this.type="PointsMaterial",this.color=new Color(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.morphTargets=e.morphTargets,this}}PointsMaterial.prototype.isPointsMaterial=!0;const _inverseMatrix=new Matrix4,_ray=new Ray,_sphere=new Sphere,_position$2=new Vector3;class Points extends Object3D{constructor(e=new BufferGeometry,t=new PointsMaterial){super(),this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e){return super.copy(e),this.material=e.material,this.geometry=e.geometry,this}raycast(e,t){const r=this.geometry,n=this.matrixWorld,i=e.params.Points.threshold,a=r.drawRange;if(null===r.boundingSphere&&r.computeBoundingSphere(),_sphere.copy(r.boundingSphere),_sphere.applyMatrix4(n),_sphere.radius+=i,!1===e.ray.intersectsSphere(_sphere))return;_inverseMatrix.copy(n).invert(),_ray.copy(e.ray).applyMatrix4(_inverseMatrix);const o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o;if(r.isBufferGeometry){const i=r.index,o=r.attributes.position;if(null!==i){for(let r=Math.max(0,a.start),l=Math.min(i.count,a.start+a.count);r<l;r++){const a=i.getX(r);_position$2.fromBufferAttribute(o,a),testPoint(_position$2,a,s,n,e,t,this)}}else{for(let r=Math.max(0,a.start),i=Math.min(o.count,a.start+a.count);r<i;r++)_position$2.fromBufferAttribute(o,r),testPoint(_position$2,r,s,n,e,t,this)}}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const e=this.geometry;if(e.isBufferGeometry){const t=e.morphAttributes,r=Object.keys(t);if(r.length>0){const e=t[r[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,r=e.length;t<r;t++){const r=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[r]=t}}}}else{const t=e.morphTargets;void 0!==t&&t.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}function testPoint(e,t,r,n,i,a,o){const s=_ray.distanceSqToPoint(e);if(s<r){const r=new Vector3;_ray.closestPointToPoint(e,r),r.applyMatrix4(n);const l=i.ray.origin.distanceTo(r);if(l<i.near||l>i.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:r,index:t,face:null,object:o})}}Points.prototype.isPoints=!0;class VideoTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l){super(e,t,r,n,i,a,o,s,l),this.format=void 0!==o?o:RGBFormat,this.minFilter=void 0!==a?a:LinearFilter,this.magFilter=void 0!==i?i:LinearFilter,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(function t(){c.needsUpdate=!0,e.requestVideoFrameCallback(t)})}clone(){return new this.constructor(this.image).copy(this)}update(){const e=this.image;!1==="requestVideoFrameCallback"in e&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}VideoTexture.prototype.isVideoTexture=!0;class CompressedTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l,c,h,u){super(null,a,o,s,l,c,n,i,h,u),this.image={width:t,height:r},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}CompressedTexture.prototype.isCompressedTexture=!0;class CanvasTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l){super(e,t,r,n,i,a,o,s,l),this.needsUpdate=!0}}CanvasTexture.prototype.isCanvasTexture=!0;class DepthTexture extends Texture{constructor(e,t,r,n,i,a,o,s,l,c){if((c=void 0!==c?c:DepthFormat)!==DepthFormat&&c!==DepthStencilFormat)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===r&&c===DepthFormat&&(r=UnsignedShortType),void 0===r&&c===DepthStencilFormat&&(r=UnsignedInt248Type),super(null,n,i,a,o,s,c,r,l),this.image={width:e,height:t},this.magFilter=void 0!==o?o:NearestFilter,this.minFilter=void 0!==s?s:NearestFilter,this.flipY=!1,this.generateMipmaps=!1}}DepthTexture.prototype.isDepthTexture=!0;class CircleGeometry extends BufferGeometry{constructor(e=1,t=8,r=0,n=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:e,segments:t,thetaStart:r,thetaLength:n},t=Math.max(3,t);const i=[],a=[],o=[],s=[],l=new Vector3,c=new Vector2;a.push(0,0,0),o.push(0,0,1),s.push(.5,.5);for(let i=0,h=3;i<=t;i++,h+=3){const u=r+i/t*n;l.x=e*Math.cos(u),l.y=e*Math.sin(u),a.push(l.x,l.y,l.z),o.push(0,0,1),c.x=(a[h]/e+1)/2,c.y=(a[h+1]/e+1)/2,s.push(c.x,c.y)}for(let e=1;e<=t;e++)i.push(e,e+1,0);this.setIndex(i),this.setAttribute("position",new Float32BufferAttribute(a,3)),this.setAttribute("normal",new Float32BufferAttribute(o,3)),this.setAttribute("uv",new Float32BufferAttribute(s,2))}}class CylinderGeometry extends BufferGeometry{constructor(e=1,t=1,r=1,n=8,i=1,a=!1,o=0,s=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:r,radialSegments:n,heightSegments:i,openEnded:a,thetaStart:o,thetaLength:s};const l=this;n=Math.floor(n),i=Math.floor(i);const c=[],h=[],u=[],d=[];let p=0;const m=[],f=r/2;let g=0;function v(r){const i=p,a=new Vector2,m=new Vector3;let v=0;const _=!0===r?e:t,y=!0===r?1:-1;for(let e=1;e<=n;e++)h.push(0,f*y,0),u.push(0,y,0),d.push(.5,.5),p++;const x=p;for(let e=0;e<=n;e++){const t=e/n*s+o,r=Math.cos(t),i=Math.sin(t);m.x=_*i,m.y=f*y,m.z=_*r,h.push(m.x,m.y,m.z),u.push(0,y,0),a.x=.5*r+.5,a.y=.5*i*y+.5,d.push(a.x,a.y),p++}for(let e=0;e<n;e++){const t=i+e,n=x+e;!0===r?c.push(n,n+1,t):c.push(n+1,n,t),v+=3}l.addGroup(g,v,!0===r?1:2),g+=v}!function(){const a=new Vector3,v=new Vector3;let _=0;const y=(t-e)/r;for(let l=0;l<=i;l++){const c=[],g=l/i,_=g*(t-e)+e;for(let e=0;e<=n;e++){const t=e/n,i=t*s+o,l=Math.sin(i),m=Math.cos(i);v.x=_*l,v.y=-g*r+f,v.z=_*m,h.push(v.x,v.y,v.z),a.set(l,y,m).normalize(),u.push(a.x,a.y,a.z),d.push(t,1-g),c.push(p++)}m.push(c)}for(let e=0;e<n;e++)for(let t=0;t<i;t++){const r=m[t][e],n=m[t+1][e],i=m[t+1][e+1],a=m[t][e+1];c.push(r,n,a),c.push(n,i,a),_+=6}l.addGroup(g,_,0),g+=_}(),!1===a&&(e>0&&v(!0),t>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new Float32BufferAttribute(h,3)),this.setAttribute("normal",new Float32BufferAttribute(u,3)),this.setAttribute("uv",new Float32BufferAttribute(d,2))}}class ConeGeometry extends CylinderGeometry{constructor(e=1,t=1,r=8,n=1,i=!1,a=0,o=2*Math.PI){super(0,e,t,r,n,i,a,o),this.type="ConeGeometry",this.parameters={radius:e,height:t,radialSegments:r,heightSegments:n,openEnded:i,thetaStart:a,thetaLength:o}}}class PolyhedronGeometry extends BufferGeometry{constructor(e,t,r=1,n=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:e,indices:t,radius:r,detail:n};const i=[],a=[];function o(e,t,r,n){const i=n+1,a=[];for(let n=0;n<=i;n++){a[n]=[];const o=e.clone().lerp(r,n/i),s=t.clone().lerp(r,n/i),l=i-n;for(let e=0;e<=l;e++)a[n][e]=0===e&&n===i?o:o.clone().lerp(s,e/l)}for(let e=0;e<i;e++)for(let t=0;t<2*(i-e)-1;t++){const r=Math.floor(t/2);t%2==0?(s(a[e][r+1]),s(a[e+1][r]),s(a[e][r])):(s(a[e][r+1]),s(a[e+1][r+1]),s(a[e+1][r]))}}function s(e){i.push(e.x,e.y,e.z)}function l(t,r){const n=3*t;r.x=e[n+0],r.y=e[n+1],r.z=e[n+2]}function c(e,t,r,n){n<0&&1===e.x&&(a[t]=e.x-1),0===r.x&&0===r.z&&(a[t]=n/2/Math.PI+.5)}function h(e){return Math.atan2(e.z,-e.x)}!function(e){const r=new Vector3,n=new Vector3,i=new Vector3;for(let a=0;a<t.length;a+=3)l(t[a+0],r),l(t[a+1],n),l(t[a+2],i),o(r,n,i,e)}(n),function(e){const t=new Vector3;for(let r=0;r<i.length;r+=3)t.x=i[r+0],t.y=i[r+1],t.z=i[r+2],t.normalize().multiplyScalar(e),i[r+0]=t.x,i[r+1]=t.y,i[r+2]=t.z}(r),function(){const e=new Vector3;for(let r=0;r<i.length;r+=3){e.x=i[r+0],e.y=i[r+1],e.z=i[r+2];const n=h(e)/2/Math.PI+.5,o=(t=e,Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))/Math.PI+.5);a.push(n,1-o)}var t;(function(){const e=new Vector3,t=new Vector3,r=new Vector3,n=new Vector3,o=new Vector2,s=new Vector2,l=new Vector2;for(let u=0,d=0;u<i.length;u+=9,d+=6){e.set(i[u+0],i[u+1],i[u+2]),t.set(i[u+3],i[u+4],i[u+5]),r.set(i[u+6],i[u+7],i[u+8]),o.set(a[d+0],a[d+1]),s.set(a[d+2],a[d+3]),l.set(a[d+4],a[d+5]),n.copy(e).add(t).add(r).divideScalar(3);const p=h(n);c(o,d+0,e,p),c(s,d+2,t,p),c(l,d+4,r,p)}})(),function(){for(let e=0;e<a.length;e+=6){const t=a[e+0],r=a[e+2],n=a[e+4],i=Math.max(t,r,n),o=Math.min(t,r,n);i>.9&&o<.1&&(t<.2&&(a[e+0]+=1),r<.2&&(a[e+2]+=1),n<.2&&(a[e+4]+=1))}}()}(),this.setAttribute("position",new Float32BufferAttribute(i,3)),this.setAttribute("normal",new Float32BufferAttribute(i.slice(),3)),this.setAttribute("uv",new Float32BufferAttribute(a,2)),0===n?this.computeVertexNormals():this.normalizeNormals()}}class DodecahedronGeometry extends PolyhedronGeometry{constructor(e=1,t=0){const r=(1+Math.sqrt(5))/2,n=1/r;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-n,-r,0,-n,r,0,n,-r,0,n,r,-n,-r,0,-n,r,0,n,-r,0,n,r,0,-r,0,-n,r,0,-n,-r,0,n,r,0,n],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],e,t),this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t}}}const _v0=new Vector3,_v1$1=new Vector3,_normal=new Vector3,_triangle=new Triangle;class EdgesGeometry extends BufferGeometry{constructor(e,t){if(super(),this.type="EdgesGeometry",this.parameters={thresholdAngle:t},t=void 0!==t?t:1,!0===e.isGeometry)return void console.error("THREE.EdgesGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");const r=Math.pow(10,4),n=Math.cos(DEG2RAD*t),i=e.getIndex(),a=e.getAttribute("position"),o=i?i.count:a.count,s=[0,0,0],l=["a","b","c"],c=new Array(3),h={},u=[];for(let e=0;e<o;e+=3){i?(s[0]=i.getX(e),s[1]=i.getX(e+1),s[2]=i.getX(e+2)):(s[0]=e,s[1]=e+1,s[2]=e+2);const{a:t,b:o,c:d}=_triangle;if(t.fromBufferAttribute(a,s[0]),o.fromBufferAttribute(a,s[1]),d.fromBufferAttribute(a,s[2]),_triangle.getNormal(_normal),c[0]=`${Math.round(t.x*r)},${Math.round(t.y*r)},${Math.round(t.z*r)}`,c[1]=`${Math.round(o.x*r)},${Math.round(o.y*r)},${Math.round(o.z*r)}`,c[2]=`${Math.round(d.x*r)},${Math.round(d.y*r)},${Math.round(d.z*r)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let e=0;e<3;e++){const t=(e+1)%3,r=c[e],i=c[t],a=_triangle[l[e]],o=_triangle[l[t]],d=`${r}_${i}`,p=`${i}_${r}`;p in h&&h[p]?(_normal.dot(h[p].normal)<=n&&(u.push(a.x,a.y,a.z),u.push(o.x,o.y,o.z)),h[p]=null):d in h||(h[d]={index0:s[e],index1:s[t],normal:_normal.clone()})}}for(const e in h)if(h[e]){const{index0:t,index1:r}=h[e];_v0.fromBufferAttribute(a,t),_v1$1.fromBufferAttribute(a,r),u.push(_v0.x,_v0.y,_v0.z),u.push(_v1$1.x,_v1$1.y,_v1$1.z)}this.setAttribute("position",new Float32BufferAttribute(u,3))}}const Earcut={triangulate:function(e,t,r){r=r||2;const n=t&&t.length,i=n?t[0]*r:e.length;let a=linkedList(e,0,i,r,!0);const o=[];if(!a||a.next===a.prev)return o;let s,l,c,h,u,d,p;if(n&&(a=eliminateHoles(e,t,a,r)),e.length>80*r){s=c=e[0],l=h=e[1];for(let t=r;t<i;t+=r)(u=e[t])<s&&(s=u),(d=e[t+1])<l&&(l=d),u>c&&(c=u),d>h&&(h=d);p=0!==(p=Math.max(c-s,h-l))?1/p:0}return earcutLinked(a,o,r,s,l,p),o}};function linkedList(e,t,r,n,i){let a,o;if(i===signedArea(e,t,r,n)>0)for(a=t;a<r;a+=n)o=insertNode(a,e[a],e[a+1],o);else for(a=r-n;a>=t;a-=n)o=insertNode(a,e[a],e[a+1],o);return o&&equals(o,o.next)&&(removeNode(o),o=o.next),o}function filterPoints(e,t){if(!e)return e;t||(t=e);let r,n=e;do{if(r=!1,n.steiner||!equals(n,n.next)&&0!==area(n.prev,n,n.next))n=n.next;else{if(removeNode(n),(n=t=n.prev)===n.next)break;r=!0}}while(r||n!==t);return t}function earcutLinked(e,t,r,n,i,a,o){if(!e)return;!o&&a&&indexCurve(e,n,i,a);let s,l,c=e;for(;e.prev!==e.next;)if(s=e.prev,l=e.next,a?isEarHashed(e,n,i,a):isEar(e))t.push(s.i/r),t.push(e.i/r),t.push(l.i/r),removeNode(e),e=l.next,c=l.next;else if((e=l)===c){o?1===o?earcutLinked(e=cureLocalIntersections(filterPoints(e),t,r),t,r,n,i,a,2):2===o&&splitEarcut(e,t,r,n,i,a):earcutLinked(filterPoints(e),t,r,n,i,a,1);break}}function isEar(e){const t=e.prev,r=e,n=e.next;if(area(t,r,n)>=0)return!1;let i=e.next.next;for(;i!==e.prev;){if(pointInTriangle(t.x,t.y,r.x,r.y,n.x,n.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,t,r,n){const i=e.prev,a=e,o=e.next;if(area(i,a,o)>=0)return!1;const s=i.x<a.x?i.x<o.x?i.x:o.x:a.x<o.x?a.x:o.x,l=i.y<a.y?i.y<o.y?i.y:o.y:a.y<o.y?a.y:o.y,c=i.x>a.x?i.x>o.x?i.x:o.x:a.x>o.x?a.x:o.x,h=i.y>a.y?i.y>o.y?i.y:o.y:a.y>o.y?a.y:o.y,u=zOrder(s,l,t,r,n),d=zOrder(c,h,t,r,n);let p=e.prevZ,m=e.nextZ;for(;p&&p.z>=u&&m&&m.z<=d;){if(p!==e.prev&&p!==e.next&&pointInTriangle(i.x,i.y,a.x,a.y,o.x,o.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return!1;if(p=p.prevZ,m!==e.prev&&m!==e.next&&pointInTriangle(i.x,i.y,a.x,a.y,o.x,o.y,m.x,m.y)&&area(m.prev,m,m.next)>=0)return!1;m=m.nextZ}for(;p&&p.z>=u;){if(p!==e.prev&&p!==e.next&&pointInTriangle(i.x,i.y,a.x,a.y,o.x,o.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return!1;p=p.prevZ}for(;m&&m.z<=d;){if(m!==e.prev&&m!==e.next&&pointInTriangle(i.x,i.y,a.x,a.y,o.x,o.y,m.x,m.y)&&area(m.prev,m,m.next)>=0)return!1;m=m.nextZ}return!0}function cureLocalIntersections(e,t,r){let n=e;do{const i=n.prev,a=n.next.next;!equals(i,a)&&intersects(i,n,n.next,a)&&locallyInside(i,a)&&locallyInside(a,i)&&(t.push(i.i/r),t.push(n.i/r),t.push(a.i/r),removeNode(n),removeNode(n.next),n=e=a),n=n.next}while(n!==e);return filterPoints(n)}function splitEarcut(e,t,r,n,i,a){let o=e;do{let e=o.next.next;for(;e!==o.prev;){if(o.i!==e.i&&isValidDiagonal(o,e)){let s=splitPolygon(o,e);return o=filterPoints(o,o.next),s=filterPoints(s,s.next),earcutLinked(o,t,r,n,i,a),void earcutLinked(s,t,r,n,i,a)}e=e.next}o=o.next}while(o!==e)}function eliminateHoles(e,t,r,n){const i=[];let a,o,s,l,c;for(a=0,o=t.length;a<o;a++)(c=linkedList(e,s=t[a]*n,l=a<o-1?t[a+1]*n:e.length,n,!1))===c.next&&(c.steiner=!0),i.push(getLeftmost(c));for(i.sort(compareX),a=0;a<i.length;a++)eliminateHole(i[a],r),r=filterPoints(r,r.next);return r}function compareX(e,t){return e.x-t.x}function eliminateHole(e,t){if(t=findHoleBridge(e,t)){const r=splitPolygon(t,e);filterPoints(t,t.next),filterPoints(r,r.next)}}function findHoleBridge(e,t){let r=t;const n=e.x,i=e.y;let a,o=-1/0;do{if(i<=r.y&&i>=r.next.y&&r.next.y!==r.y){const e=r.x+(i-r.y)*(r.next.x-r.x)/(r.next.y-r.y);if(e<=n&&e>o){if(o=e,e===n){if(i===r.y)return r;if(i===r.next.y)return r.next}a=r.x<r.next.x?r:r.next}}r=r.next}while(r!==t);if(!a)return null;if(n===o)return a;const s=a,l=a.x,c=a.y;let h,u=1/0;r=a;do{n>=r.x&&r.x>=l&&n!==r.x&&pointInTriangle(i<c?n:o,i,l,c,i<c?o:n,i,r.x,r.y)&&(h=Math.abs(i-r.y)/(n-r.x),locallyInside(r,e)&&(h<u||h===u&&(r.x>a.x||r.x===a.x&&sectorContainsSector(a,r)))&&(a=r,u=h)),r=r.next}while(r!==s);return a}function sectorContainsSector(e,t){return area(e.prev,e,t.prev)<0&&area(t.next,e,e.next)<0}function indexCurve(e,t,r,n){let i=e;do{null===i.z&&(i.z=zOrder(i.x,i.y,t,r,n)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next}while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){let t,r,n,i,a,o,s,l,c=1;do{for(r=e,e=null,a=null,o=0;r;){for(o++,n=r,s=0,t=0;t<c&&(s++,n=n.nextZ);t++);for(l=c;s>0||l>0&&n;)0!==s&&(0===l||!n||r.z<=n.z)?(i=r,r=r.nextZ,s--):(i=n,n=n.nextZ,l--),a?a.nextZ=i:e=i,i.prevZ=a,a=i;r=n}a.nextZ=null,c*=2}while(o>1);return e}function zOrder(e,t,r,n,i){return(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=32767*(e-r)*i)|e<<8))|e<<4))|e<<2))|e<<1))|(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-n)*i)|t<<8))|t<<4))|t<<2))|t<<1))<<1}function getLeftmost(e){let t=e,r=e;do{(t.x<r.x||t.x===r.x&&t.y<r.y)&&(r=t),t=t.next}while(t!==e);return r}function pointInTriangle(e,t,r,n,i,a,o,s){return(i-o)*(t-s)-(e-o)*(a-s)>=0&&(e-o)*(n-s)-(r-o)*(t-s)>=0&&(r-o)*(a-s)-(i-o)*(n-s)>=0}function isValidDiagonal(e,t){return e.next.i!==t.i&&e.prev.i!==t.i&&!intersectsPolygon(e,t)&&(locallyInside(e,t)&&locallyInside(t,e)&&middleInside(e,t)&&(area(e.prev,e,t.prev)||area(e,t.prev,t))||equals(e,t)&&area(e.prev,e,e.next)>0&&area(t.prev,t,t.next)>0)}function area(e,t,r){return(t.y-e.y)*(r.x-t.x)-(t.x-e.x)*(r.y-t.y)}function equals(e,t){return e.x===t.x&&e.y===t.y}function intersects(e,t,r,n){const i=sign(area(e,t,r)),a=sign(area(e,t,n)),o=sign(area(r,n,e)),s=sign(area(r,n,t));return i!==a&&o!==s||(!(0!==i||!onSegment(e,r,t))||(!(0!==a||!onSegment(e,n,t))||(!(0!==o||!onSegment(r,e,n))||!(0!==s||!onSegment(r,t,n)))))}function onSegment(e,t,r){return t.x<=Math.max(e.x,r.x)&&t.x>=Math.min(e.x,r.x)&&t.y<=Math.max(e.y,r.y)&&t.y>=Math.min(e.y,r.y)}function sign(e){return e>0?1:e<0?-1:0}function intersectsPolygon(e,t){let r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==t.i&&r.next.i!==t.i&&intersects(r,r.next,e,t))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,t){return area(e.prev,e,e.next)<0?area(e,t,e.next)>=0&&area(e,e.prev,t)>=0:area(e,t,e.prev)<0||area(e,e.next,t)<0}function middleInside(e,t){let r=e,n=!1;const i=(e.x+t.x)/2,a=(e.y+t.y)/2;do{r.y>a!=r.next.y>a&&r.next.y!==r.y&&i<(r.next.x-r.x)*(a-r.y)/(r.next.y-r.y)+r.x&&(n=!n),r=r.next}while(r!==e);return n}function splitPolygon(e,t){const r=new Node(e.i,e.x,e.y),n=new Node(t.i,t.x,t.y),i=e.next,a=t.prev;return e.next=t,t.prev=e,r.next=i,i.prev=r,n.next=r,r.prev=n,a.next=n,n.prev=a,n}function insertNode(e,t,r,n){const i=new Node(e,t,r);return n?(i.next=n.next,i.prev=n,n.next.prev=i,n.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,t,r){this.i=e,this.x=t,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,t,r,n){let i=0;for(let a=t,o=r-n;a<r;a+=n)i+=(e[o]-e[a])*(e[a+1]+e[o+1]),o=a;return i}class ShapeUtils{static area(e){const t=e.length;let r=0;for(let n=t-1,i=0;i<t;n=i++)r+=e[n].x*e[i].y-e[i].x*e[n].y;return.5*r}static isClockWise(e){return ShapeUtils.area(e)<0}static triangulateShape(e,t){const r=[],n=[],i=[];removeDupEndPts(e),addContour(r,e);let a=e.length;t.forEach(removeDupEndPts);for(let e=0;e<t.length;e++)n.push(a),a+=t[e].length,addContour(r,t[e]);const o=Earcut.triangulate(r,n);for(let e=0;e<o.length;e+=3)i.push(o.slice(e,e+3));return i}}function removeDupEndPts(e){const t=e.length;t>2&&e[t-1].equals(e[0])&&e.pop()}function addContour(e,t){for(let r=0;r<t.length;r++)e.push(t[r].x),e.push(t[r].y)}class ExtrudeGeometry extends BufferGeometry{constructor(e,t){super(),this.type="ExtrudeGeometry",this.parameters={shapes:e,options:t},e=Array.isArray(e)?e:[e];const r=this,n=[],i=[];for(let t=0,r=e.length;t<r;t++){a(e[t])}function a(e){const a=[],o=void 0!==t.curveSegments?t.curveSegments:12,s=void 0!==t.steps?t.steps:1;let l=void 0!==t.depth?t.depth:100,c=void 0===t.bevelEnabled||t.bevelEnabled,h=void 0!==t.bevelThickness?t.bevelThickness:6,u=void 0!==t.bevelSize?t.bevelSize:h-2,d=void 0!==t.bevelOffset?t.bevelOffset:0,p=void 0!==t.bevelSegments?t.bevelSegments:3;const m=t.extrudePath,f=void 0!==t.UVGenerator?t.UVGenerator:WorldUVGenerator;void 0!==t.amount&&(console.warn("THREE.ExtrudeBufferGeometry: amount has been renamed to depth."),l=t.amount);let g,v,_,y,x,b=!1;m&&(g=m.getSpacedPoints(s),b=!0,c=!1,v=m.computeFrenetFrames(s,!1),_=new Vector3,y=new Vector3,x=new Vector3),c||(p=0,h=0,u=0,d=0);const M=e.extractPoints(o);let w=M.shape;const S=M.holes;if(!ShapeUtils.isClockWise(w)){w=w.reverse();for(let e=0,t=S.length;e<t;e++){const t=S[e];ShapeUtils.isClockWise(t)&&(S[e]=t.reverse())}}const T=ShapeUtils.triangulateShape(w,S),E=w;for(let e=0,t=S.length;e<t;e++){const t=S[e];w=w.concat(t)}function A(e,t,r){return t||console.error("THREE.ExtrudeGeometry: vec does not exist"),t.clone().multiplyScalar(r).add(e)}const L=w.length,C=T.length;function R(e,t,r){let n,i,a;const o=e.x-t.x,s=e.y-t.y,l=r.x-e.x,c=r.y-e.y,h=o*o+s*s,u=o*c-s*l;if(Math.abs(u)>Number.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=t.x-s/u,m=t.y+o/u,f=((r.x-c/d-p)*c-(r.y+l/d-m)*l)/(o*c-s*l),g=(n=p+o*f-e.x)*n+(i=m+s*f-e.y)*i;if(g<=2)return new Vector2(n,i);a=Math.sqrt(g/2)}else{let e=!1;o>Number.EPSILON?l>Number.EPSILON&&(e=!0):o<-Number.EPSILON?l<-Number.EPSILON&&(e=!0):Math.sign(s)===Math.sign(c)&&(e=!0),e?(n=-s,i=o,a=Math.sqrt(h)):(n=o,i=s,a=Math.sqrt(h/2))}return new Vector2(n/a,i/a)}const P=[];for(let e=0,t=E.length,r=t-1,n=e+1;e<t;e++,r++,n++)r===t&&(r=0),n===t&&(n=0),P[e]=R(E[e],E[r],E[n]);const B=[];let D,I=P.concat();for(let e=0,t=S.length;e<t;e++){const t=S[e];D=[];for(let e=0,r=t.length,n=r-1,i=e+1;e<r;e++,n++,i++)n===r&&(n=0),i===r&&(i=0),D[e]=R(t[e],t[n],t[i]);B.push(D),I=I.concat(D)}for(let e=0;e<p;e++){const t=e/p,r=h*Math.cos(t*Math.PI/2),n=u*Math.sin(t*Math.PI/2)+d;for(let e=0,t=E.length;e<t;e++){const t=A(E[e],P[e],n);V(t.x,t.y,-r)}for(let e=0,t=S.length;e<t;e++){const t=S[e];D=B[e];for(let e=0,i=t.length;e<i;e++){const i=A(t[e],D[e],n);V(i.x,i.y,-r)}}}const G=u+d;for(let e=0;e<L;e++){const t=c?A(w[e],I[e],G):w[e];b?(y.copy(v.normals[0]).multiplyScalar(t.x),_.copy(v.binormals[0]).multiplyScalar(t.y),x.copy(g[0]).add(y).add(_),V(x.x,x.y,x.z)):V(t.x,t.y,0)}for(let e=1;e<=s;e++)for(let t=0;t<L;t++){const r=c?A(w[t],I[t],G):w[t];b?(y.copy(v.normals[e]).multiplyScalar(r.x),_.copy(v.binormals[e]).multiplyScalar(r.y),x.copy(g[e]).add(y).add(_),V(x.x,x.y,x.z)):V(r.x,r.y,l/s*e)}for(let e=p-1;e>=0;e--){const t=e/p,r=h*Math.cos(t*Math.PI/2),n=u*Math.sin(t*Math.PI/2)+d;for(let e=0,t=E.length;e<t;e++){const t=A(E[e],P[e],n);V(t.x,t.y,l+r)}for(let e=0,t=S.length;e<t;e++){const t=S[e];D=B[e];for(let e=0,i=t.length;e<i;e++){const i=A(t[e],D[e],n);b?V(i.x,i.y+g[s-1].y,g[s-1].x+r):V(i.x,i.y,l+r)}}}function F(e,t){let r=e.length;for(;--r>=0;){const n=r;let i=r-1;i<0&&(i=e.length-1);for(let e=0,r=s+2*p;e<r;e++){const r=L*e,a=L*(e+1);U(t+n+r,t+i+r,t+i+a,t+n+a)}}}function V(e,t,r){a.push(e),a.push(t),a.push(r)}function N(e,t,i){O(e),O(t),O(i);const a=n.length/3,o=f.generateTopUV(r,n,a-3,a-2,a-1);z(o[0]),z(o[1]),z(o[2])}function U(e,t,i,a){O(e),O(t),O(a),O(t),O(i),O(a);const o=n.length/3,s=f.generateSideWallUV(r,n,o-6,o-3,o-2,o-1);z(s[0]),z(s[1]),z(s[3]),z(s[1]),z(s[2]),z(s[3])}function O(e){n.push(a[3*e+0]),n.push(a[3*e+1]),n.push(a[3*e+2])}function z(e){i.push(e.x),i.push(e.y)}!function(){const e=n.length/3;if(c){let e=0,t=L*e;for(let e=0;e<C;e++){const r=T[e];N(r[2]+t,r[1]+t,r[0]+t)}t=L*(e=s+2*p);for(let e=0;e<C;e++){const r=T[e];N(r[0]+t,r[1]+t,r[2]+t)}}else{for(let e=0;e<C;e++){const t=T[e];N(t[2],t[1],t[0])}for(let e=0;e<C;e++){const t=T[e];N(t[0]+L*s,t[1]+L*s,t[2]+L*s)}}r.addGroup(e,n.length/3-e,0)}(),function(){const e=n.length/3;let t=0;F(E,t),t+=E.length;for(let e=0,r=S.length;e<r;e++){const r=S[e];F(r,t),t+=r.length}r.addGroup(e,n.length/3-e,1)}()}this.setAttribute("position",new Float32BufferAttribute(n,3)),this.setAttribute("uv",new Float32BufferAttribute(i,2)),this.computeVertexNormals()}toJSON(){const e=BufferGeometry.prototype.toJSON.call(this);return toJSON$1(this.parameters.shapes,this.parameters.options,e)}}const WorldUVGenerator={generateTopUV:function(e,t,r,n,i){const a=t[3*r],o=t[3*r+1],s=t[3*n],l=t[3*n+1],c=t[3*i],h=t[3*i+1];return[new Vector2(a,o),new Vector2(s,l),new Vector2(c,h)]},generateSideWallUV:function(e,t,r,n,i,a){const o=t[3*r],s=t[3*r+1],l=t[3*r+2],c=t[3*n],h=t[3*n+1],u=t[3*n+2],d=t[3*i],p=t[3*i+1],m=t[3*i+2],f=t[3*a],g=t[3*a+1],v=t[3*a+2];return Math.abs(s-h)<.01?[new Vector2(o,1-l),new Vector2(c,1-u),new Vector2(d,1-m),new Vector2(f,1-v)]:[new Vector2(s,1-l),new Vector2(h,1-u),new Vector2(p,1-m),new Vector2(g,1-v)]}};function toJSON$1(e,t,r){if(r.shapes=[],Array.isArray(e))for(let t=0,n=e.length;t<n;t++){const n=e[t];r.shapes.push(n.uuid)}else r.shapes.push(e.uuid);return void 0!==t.extrudePath&&(r.options.extrudePath=t.extrudePath.toJSON()),r}class IcosahedronGeometry extends PolyhedronGeometry{constructor(e=1,t=0){const r=(1+Math.sqrt(5))/2;super([-1,r,0,1,r,0,-1,-r,0,1,-r,0,0,-1,r,0,1,r,0,-1,-r,0,1,-r,r,0,-1,r,0,1,-r,0,-1,-r,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],e,t),this.type="IcosahedronGeometry",this.parameters={radius:e,detail:t}}}class LatheGeometry extends BufferGeometry{constructor(e,t=12,r=0,n=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:e,segments:t,phiStart:r,phiLength:n},t=Math.floor(t),n=clamp(n,0,2*Math.PI);const i=[],a=[],o=[],s=1/t,l=new Vector3,c=new Vector2;for(let i=0;i<=t;i++){const h=r+i*s*n,u=Math.sin(h),d=Math.cos(h);for(let r=0;r<=e.length-1;r++)l.x=e[r].x*u,l.y=e[r].y,l.z=e[r].x*d,a.push(l.x,l.y,l.z),c.x=i/t,c.y=r/(e.length-1),o.push(c.x,c.y)}for(let r=0;r<t;r++)for(let t=0;t<e.length-1;t++){const n=t+r*e.length,a=n,o=n+e.length,s=n+e.length+1,l=n+1;i.push(a,o,l),i.push(o,s,l)}if(this.setIndex(i),this.setAttribute("position",new Float32BufferAttribute(a,3)),this.setAttribute("uv",new Float32BufferAttribute(o,2)),this.computeVertexNormals(),n===2*Math.PI){const r=this.attributes.normal.array,n=new Vector3,i=new Vector3,a=new Vector3,o=t*e.length*3;for(let t=0,s=0;t<e.length;t++,s+=3)n.x=r[s+0],n.y=r[s+1],n.z=r[s+2],i.x=r[o+s+0],i.y=r[o+s+1],i.z=r[o+s+2],a.addVectors(n,i).normalize(),r[s+0]=r[o+s+0]=a.x,r[s+1]=r[o+s+1]=a.y,r[s+2]=r[o+s+2]=a.z}}}class OctahedronGeometry extends PolyhedronGeometry{constructor(e=1,t=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],e,t),this.type="OctahedronGeometry",this.parameters={radius:e,detail:t}}}class ParametricGeometry extends BufferGeometry{constructor(e,t,r){super(),this.type="ParametricGeometry",this.parameters={func:e,slices:t,stacks:r};const n=[],i=[],a=[],o=[],s=new Vector3,l=new Vector3,c=new Vector3,h=new Vector3,u=new Vector3;e.length<3&&console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");const d=t+1;for(let n=0;n<=r;n++){const d=n/r;for(let r=0;r<=t;r++){const n=r/t;e(n,d,l),i.push(l.x,l.y,l.z),n-1e-5>=0?(e(n-1e-5,d,c),h.subVectors(l,c)):(e(n+1e-5,d,c),h.subVectors(c,l)),d-1e-5>=0?(e(n,d-1e-5,c),u.subVectors(l,c)):(e(n,d+1e-5,c),u.subVectors(c,l)),s.crossVectors(h,u).normalize(),a.push(s.x,s.y,s.z),o.push(n,d)}}for(let e=0;e<r;e++)for(let r=0;r<t;r++){const t=e*d+r,i=e*d+r+1,a=(e+1)*d+r+1,o=(e+1)*d+r;n.push(t,i,o),n.push(i,a,o)}this.setIndex(n),this.setAttribute("position",new Float32BufferAttribute(i,3)),this.setAttribute("normal",new Float32BufferAttribute(a,3)),this.setAttribute("uv",new Float32BufferAttribute(o,2))}}class RingGeometry extends BufferGeometry{constructor(e=.5,t=1,r=8,n=1,i=0,a=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:e,outerRadius:t,thetaSegments:r,phiSegments:n,thetaStart:i,thetaLength:a},r=Math.max(3,r);const o=[],s=[],l=[],c=[];let h=e;const u=(t-e)/(n=Math.max(1,n)),d=new Vector3,p=new Vector2;for(let e=0;e<=n;e++){for(let e=0;e<=r;e++){const n=i+e/r*a;d.x=h*Math.cos(n),d.y=h*Math.sin(n),s.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/t+1)/2,p.y=(d.y/t+1)/2,c.push(p.x,p.y)}h+=u}for(let e=0;e<n;e++){const t=e*(r+1);for(let e=0;e<r;e++){const n=e+t,i=n,a=n+r+1,s=n+r+2,l=n+1;o.push(i,a,l),o.push(a,s,l)}}this.setIndex(o),this.setAttribute("position",new Float32BufferAttribute(s,3)),this.setAttribute("normal",new Float32BufferAttribute(l,3)),this.setAttribute("uv",new Float32BufferAttribute(c,2))}}class ShapeGeometry extends BufferGeometry{constructor(e,t=12){super(),this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};const r=[],n=[],i=[],a=[];let o=0,s=0;if(!1===Array.isArray(e))l(e);else for(let t=0;t<e.length;t++)l(e[t]),this.addGroup(o,s,t),o+=s,s=0;function l(e){const o=n.length/3,l=e.extractPoints(t);let c=l.shape;const h=l.holes;!1===ShapeUtils.isClockWise(c)&&(c=c.reverse());for(let e=0,t=h.length;e<t;e++){const t=h[e];!0===ShapeUtils.isClockWise(t)&&(h[e]=t.reverse())}const u=ShapeUtils.triangulateShape(c,h);for(let e=0,t=h.length;e<t;e++){const t=h[e];c=c.concat(t)}for(let e=0,t=c.length;e<t;e++){const t=c[e];n.push(t.x,t.y,0),i.push(0,0,1),a.push(t.x,t.y)}for(let e=0,t=u.length;e<t;e++){const t=u[e],n=t[0]+o,i=t[1]+o,a=t[2]+o;r.push(n,i,a),s+=3}}this.setIndex(r),this.setAttribute("position",new Float32BufferAttribute(n,3)),this.setAttribute("normal",new Float32BufferAttribute(i,3)),this.setAttribute("uv",new Float32BufferAttribute(a,2))}toJSON(){const e=BufferGeometry.prototype.toJSON.call(this);return toJSON(this.parameters.shapes,e)}}function toJSON(e,t){if(t.shapes=[],Array.isArray(e))for(let r=0,n=e.length;r<n;r++){const n=e[r];t.shapes.push(n.uuid)}else t.shapes.push(e.uuid);return t}class SphereGeometry extends BufferGeometry{constructor(e=1,t=8,r=6,n=0,i=2*Math.PI,a=0,o=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:r,phiStart:n,phiLength:i,thetaStart:a,thetaLength:o},t=Math.max(3,Math.floor(t)),r=Math.max(2,Math.floor(r));const s=Math.min(a+o,Math.PI);let l=0;const c=[],h=new Vector3,u=new Vector3,d=[],p=[],m=[],f=[];for(let d=0;d<=r;d++){const g=[],v=d/r;let _=0;0==d&&0==a?_=.5/t:d==r&&s==Math.PI&&(_=-.5/t);for(let r=0;r<=t;r++){const s=r/t;h.x=-e*Math.cos(n+s*i)*Math.sin(a+v*o),h.y=e*Math.cos(a+v*o),h.z=e*Math.sin(n+s*i)*Math.sin(a+v*o),p.push(h.x,h.y,h.z),u.copy(h).normalize(),m.push(u.x,u.y,u.z),f.push(s+_,1-v),g.push(l++)}c.push(g)}for(let e=0;e<r;e++)for(let n=0;n<t;n++){const t=c[e][n+1],i=c[e][n],o=c[e+1][n],l=c[e+1][n+1];(0!==e||a>0)&&d.push(t,i,l),(e!==r-1||s<Math.PI)&&d.push(i,o,l)}this.setIndex(d),this.setAttribute("position",new Float32BufferAttribute(p,3)),this.setAttribute("normal",new Float32BufferAttribute(m,3)),this.setAttribute("uv",new Float32BufferAttribute(f,2))}}class TetrahedronGeometry extends PolyhedronGeometry{constructor(e=1,t=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],e,t),this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t}}}class TextGeometry extends ExtrudeGeometry{constructor(e,t={}){const r=t.font;if(!r||!r.isFont)return console.error("THREE.TextGeometry: font parameter is not an instance of THREE.Font."),new BufferGeometry;const n=r.generateShapes(e,t.size);t.depth=void 0!==t.height?t.height:50,void 0===t.bevelThickness&&(t.bevelThickness=10),void 0===t.bevelSize&&(t.bevelSize=8),void 0===t.bevelEnabled&&(t.bevelEnabled=!1),super(n,t),this.type="TextGeometry"}}class TorusGeometry extends BufferGeometry{constructor(e=1,t=.4,r=8,n=6,i=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:e,tube:t,radialSegments:r,tubularSegments:n,arc:i},r=Math.floor(r),n=Math.floor(n);const a=[],o=[],s=[],l=[],c=new Vector3,h=new Vector3,u=new Vector3;for(let a=0;a<=r;a++)for(let d=0;d<=n;d++){const p=d/n*i,m=a/r*Math.PI*2;h.x=(e+t*Math.cos(m))*Math.cos(p),h.y=(e+t*Math.cos(m))*Math.sin(p),h.z=t*Math.sin(m),o.push(h.x,h.y,h.z),c.x=e*Math.cos(p),c.y=e*Math.sin(p),u.subVectors(h,c).normalize(),s.push(u.x,u.y,u.z),l.push(d/n),l.push(a/r)}for(let e=1;e<=r;e++)for(let t=1;t<=n;t++){const r=(n+1)*e+t-1,i=(n+1)*(e-1)+t-1,o=(n+1)*(e-1)+t,s=(n+1)*e+t;a.push(r,i,s),a.push(i,o,s)}this.setIndex(a),this.setAttribute("position",new Float32BufferAttribute(o,3)),this.setAttribute("normal",new Float32BufferAttribute(s,3)),this.setAttribute("uv",new Float32BufferAttribute(l,2))}}class TorusKnotGeometry extends BufferGeometry{constructor(e=1,t=.4,r=64,n=8,i=2,a=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:e,tube:t,tubularSegments:r,radialSegments:n,p:i,q:a},r=Math.floor(r),n=Math.floor(n);const o=[],s=[],l=[],c=[],h=new Vector3,u=new Vector3,d=new Vector3,p=new Vector3,m=new Vector3,f=new Vector3,g=new Vector3;for(let o=0;o<=r;++o){const _=o/r*i*Math.PI*2;v(_,i,a,e,d),v(_+.01,i,a,e,p),f.subVectors(p,d),g.addVectors(p,d),m.crossVectors(f,g),g.crossVectors(m,f),m.normalize(),g.normalize();for(let e=0;e<=n;++e){const i=e/n*Math.PI*2,a=-t*Math.cos(i),p=t*Math.sin(i);h.x=d.x+(a*g.x+p*m.x),h.y=d.y+(a*g.y+p*m.y),h.z=d.z+(a*g.z+p*m.z),s.push(h.x,h.y,h.z),u.subVectors(h,d).normalize(),l.push(u.x,u.y,u.z),c.push(o/r),c.push(e/n)}}for(let e=1;e<=r;e++)for(let t=1;t<=n;t++){const r=(n+1)*(e-1)+(t-1),i=(n+1)*e+(t-1),a=(n+1)*e+t,s=(n+1)*(e-1)+t;o.push(r,i,s),o.push(i,a,s)}function v(e,t,r,n,i){const a=Math.cos(e),o=Math.sin(e),s=r/t*e,l=Math.cos(s);i.x=n*(2+l)*.5*a,i.y=n*(2+l)*o*.5,i.z=n*Math.sin(s)*.5}this.setIndex(o),this.setAttribute("position",new Float32BufferAttribute(s,3)),this.setAttribute("normal",new Float32BufferAttribute(l,3)),this.setAttribute("uv",new Float32BufferAttribute(c,2))}}class TubeGeometry extends BufferGeometry{constructor(e,t=64,r=1,n=8,i=!1){super(),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:r,radialSegments:n,closed:i};const a=e.computeFrenetFrames(t,i);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;const o=new Vector3,s=new Vector3,l=new Vector2;let c=new Vector3;const h=[],u=[],d=[],p=[];function m(i){c=e.getPointAt(i/t,c);const l=a.normals[i],d=a.binormals[i];for(let e=0;e<=n;e++){const t=e/n*Math.PI*2,i=Math.sin(t),a=-Math.cos(t);s.x=a*l.x+i*d.x,s.y=a*l.y+i*d.y,s.z=a*l.z+i*d.z,s.normalize(),u.push(s.x,s.y,s.z),o.x=c.x+r*s.x,o.y=c.y+r*s.y,o.z=c.z+r*s.z,h.push(o.x,o.y,o.z)}}!function(){for(let e=0;e<t;e++)m(e);m(!1===i?t:0),function(){for(let e=0;e<=t;e++)for(let r=0;r<=n;r++)l.x=e/t,l.y=r/n,d.push(l.x,l.y)}(),function(){for(let e=1;e<=t;e++)for(let t=1;t<=n;t++){const r=(n+1)*(e-1)+(t-1),i=(n+1)*e+(t-1),a=(n+1)*e+t,o=(n+1)*(e-1)+t;p.push(r,i,o),p.push(i,a,o)}}()}(),this.setIndex(p),this.setAttribute("position",new Float32BufferAttribute(h,3)),this.setAttribute("normal",new Float32BufferAttribute(u,3)),this.setAttribute("uv",new Float32BufferAttribute(d,2))}toJSON(){const e=BufferGeometry.prototype.toJSON.call(this);return e.path=this.parameters.path.toJSON(),e}}class WireframeGeometry extends BufferGeometry{constructor(e){if(super(),this.type="WireframeGeometry",!0===e.isGeometry)return void console.error("THREE.WireframeGeometry no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");const t=[],r=[0,0],n={},i=new Vector3;if(null!==e.index){const a=e.attributes.position,o=e.index;let s=e.groups;0===s.length&&(s=[{start:0,count:o.count,materialIndex:0}]);for(let e=0,t=s.length;e<t;++e){const t=s[e],i=t.start;for(let e=i,a=i+t.count;e<a;e+=3)for(let t=0;t<3;t++){const i=o.getX(e+t),a=o.getX(e+(t+1)%3);r[0]=Math.min(i,a),r[1]=Math.max(i,a);const s=r[0]+","+r[1];void 0===n[s]&&(n[s]={index1:r[0],index2:r[1]})}}for(const e in n){const r=n[e];i.fromBufferAttribute(a,r.index1),t.push(i.x,i.y,i.z),i.fromBufferAttribute(a,r.index2),t.push(i.x,i.y,i.z)}}else{const r=e.attributes.position;for(let e=0,n=r.count/3;e<n;e++)for(let n=0;n<3;n++){const a=3*e+n;i.fromBufferAttribute(r,a),t.push(i.x,i.y,i.z);const o=3*e+(n+1)%3;i.fromBufferAttribute(r,o),t.push(i.x,i.y,i.z)}}this.setAttribute("position",new Float32BufferAttribute(t,3))}}var Geometries=Object.freeze({__proto__:null,BoxGeometry:BoxGeometry,BoxBufferGeometry:BoxGeometry,CircleGeometry:CircleGeometry,CircleBufferGeometry:CircleGeometry,ConeGeometry:ConeGeometry,ConeBufferGeometry:ConeGeometry,CylinderGeometry:CylinderGeometry,CylinderBufferGeometry:CylinderGeometry,DodecahedronGeometry:DodecahedronGeometry,DodecahedronBufferGeometry:DodecahedronGeometry,EdgesGeometry:EdgesGeometry,ExtrudeGeometry:ExtrudeGeometry,ExtrudeBufferGeometry:ExtrudeGeometry,IcosahedronGeometry:IcosahedronGeometry,IcosahedronBufferGeometry:IcosahedronGeometry,LatheGeometry:LatheGeometry,LatheBufferGeometry:LatheGeometry,OctahedronGeometry:OctahedronGeometry,OctahedronBufferGeometry:OctahedronGeometry,ParametricGeometry:ParametricGeometry,ParametricBufferGeometry:ParametricGeometry,PlaneGeometry:PlaneGeometry,PlaneBufferGeometry:PlaneGeometry,PolyhedronGeometry:PolyhedronGeometry,PolyhedronBufferGeometry:PolyhedronGeometry,RingGeometry:RingGeometry,RingBufferGeometry:RingGeometry,ShapeGeometry:ShapeGeometry,ShapeBufferGeometry:ShapeGeometry,SphereGeometry:SphereGeometry,SphereBufferGeometry:SphereGeometry,TetrahedronGeometry:TetrahedronGeometry,TetrahedronBufferGeometry:TetrahedronGeometry,TextGeometry:TextGeometry,TextBufferGeometry:TextGeometry,TorusGeometry:TorusGeometry,TorusBufferGeometry:TorusGeometry,TorusKnotGeometry:TorusKnotGeometry,TorusKnotBufferGeometry:TorusKnotGeometry,TubeGeometry:TubeGeometry,TubeBufferGeometry:TubeGeometry,WireframeGeometry:WireframeGeometry});class ShadowMaterial extends Material{constructor(e){super(),this.type="ShadowMaterial",this.color=new Color(0),this.transparent=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this}}ShadowMaterial.prototype.isShadowMaterial=!0;class RawShaderMaterial extends ShaderMaterial{constructor(e){super(e),this.type="RawShaderMaterial"}}RawShaderMaterial.prototype.isRawShaderMaterial=!0;class MeshStandardMaterial extends Material{constructor(e){super(),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Color(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.vertexTangents=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this.vertexTangents=e.vertexTangents,this}}MeshStandardMaterial.prototype.isMeshStandardMaterial=!0;class MeshPhysicalMaterial extends MeshStandardMaterial{constructor(e){super(),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoat=0,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Vector2(1,1),this.clearcoatNormalMap=null,this.reflectivity=.5,Object.defineProperty(this,"ior",{get:function(){return(1+.4*this.reflectivity)/(1-.4*this.reflectivity)},set:function(e){this.reflectivity=clamp(2.5*(e-1)/(e+1),0,1)}}),this.sheen=null,this.transmission=0,this.transmissionMap=null,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.reflectivity=e.reflectivity,e.sheen?this.sheen=(this.sheen||new Color).copy(e.sheen):this.sheen=null,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this}}MeshPhysicalMaterial.prototype.isMeshPhysicalMaterial=!0;class MeshPhongMaterial extends Material{constructor(e){super(),this.type="MeshPhongMaterial",this.color=new Color(16777215),this.specular=new Color(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}MeshPhongMaterial.prototype.isMeshPhongMaterial=!0;class MeshToonMaterial extends Material{constructor(e){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Color(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this}}MeshToonMaterial.prototype.isMeshToonMaterial=!0;class MeshNormalMaterial extends Material{constructor(e){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}MeshNormalMaterial.prototype.isMeshNormalMaterial=!0;class MeshLambertMaterial extends Material{constructor(e){super(),this.type="MeshLambertMaterial",this.color=new Color(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this}}MeshLambertMaterial.prototype.isMeshLambertMaterial=!0;class MeshMatcapMaterial extends Material{constructor(e){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Color(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.flatShading=e.flatShading,this}}MeshMatcapMaterial.prototype.isMeshMatcapMaterial=!0;class LineDashedMaterial extends LineBasicMaterial{constructor(e){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}LineDashedMaterial.prototype.isLineDashedMaterial=!0;var Materials=Object.freeze({__proto__:null,ShadowMaterial:ShadowMaterial,SpriteMaterial:SpriteMaterial,RawShaderMaterial:RawShaderMaterial,ShaderMaterial:ShaderMaterial,PointsMaterial:PointsMaterial,MeshPhysicalMaterial:MeshPhysicalMaterial,MeshStandardMaterial:MeshStandardMaterial,MeshPhongMaterial:MeshPhongMaterial,MeshToonMaterial:MeshToonMaterial,MeshNormalMaterial:MeshNormalMaterial,MeshLambertMaterial:MeshLambertMaterial,MeshDepthMaterial:MeshDepthMaterial,MeshDistanceMaterial:MeshDistanceMaterial,MeshBasicMaterial:MeshBasicMaterial,MeshMatcapMaterial:MeshMatcapMaterial,LineDashedMaterial:LineDashedMaterial,LineBasicMaterial:LineBasicMaterial,Material:Material});const AnimationUtils={arraySlice:function(e,t,r){return AnimationUtils.isTypedArray(e)?new e.constructor(e.subarray(t,void 0!==r?r:e.length)):e.slice(t,r)},convertArray:function(e,t,r){return!e||!r&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)},isTypedArray:function(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)},getKeyframeOrder:function(e){const t=e.length,r=new Array(t);for(let e=0;e!==t;++e)r[e]=e;return r.sort(function(t,r){return e[t]-e[r]}),r},sortedArray:function(e,t,r){const n=e.length,i=new e.constructor(n);for(let a=0,o=0;o!==n;++a){const n=r[a]*t;for(let r=0;r!==t;++r)i[o++]=e[n+r]}return i},flattenJSON:function(e,t,r,n){let i=1,a=e[0];for(;void 0!==a&&void 0===a[n];)a=e[i++];if(void 0===a)return;let o=a[n];if(void 0!==o)if(Array.isArray(o))do{void 0!==(o=a[n])&&(t.push(a.time),r.push.apply(r,o)),a=e[i++]}while(void 0!==a);else if(void 0!==o.toArray)do{void 0!==(o=a[n])&&(t.push(a.time),o.toArray(r,r.length)),a=e[i++]}while(void 0!==a);else do{void 0!==(o=a[n])&&(t.push(a.time),r.push(o)),a=e[i++]}while(void 0!==a)},subclip:function(e,t,r,n,i=30){const a=e.clone();a.name=t;const o=[];for(let e=0;e<a.tracks.length;++e){const t=a.tracks[e],s=t.getValueSize(),l=[],c=[];for(let e=0;e<t.times.length;++e){const a=t.times[e]*i;if(!(a<r||a>=n)){l.push(t.times[e]);for(let r=0;r<s;++r)c.push(t.values[e*s+r])}}0!==l.length&&(t.times=AnimationUtils.convertArray(l,t.times.constructor),t.values=AnimationUtils.convertArray(c,t.values.constructor),o.push(t))}a.tracks=o;let s=1/0;for(let e=0;e<a.tracks.length;++e)s>a.tracks[e].times[0]&&(s=a.tracks[e].times[0]);for(let e=0;e<a.tracks.length;++e)a.tracks[e].shift(-1*s);return a.resetDuration(),a},makeClipAdditive:function(e,t=0,r=e,n=30){n<=0&&(n=30);const i=r.tracks.length,a=t/n;for(let t=0;t<i;++t){const n=r.tracks[t],i=n.ValueTypeName;if("bool"===i||"string"===i)continue;const o=e.tracks.find(function(e){return e.name===n.name&&e.ValueTypeName===i});if(void 0===o)continue;let s=0;const l=n.getValueSize();n.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(s=l/3);let c=0;const h=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=h/3);const u=n.times.length-1;let d;if(a<=n.times[0]){const e=s,t=l-s;d=AnimationUtils.arraySlice(n.values,e,t)}else if(a>=n.times[u]){const e=u*l+s,t=e+l-s;d=AnimationUtils.arraySlice(n.values,e,t)}else{const e=n.createInterpolant(),t=s,r=l-s;e.evaluate(a),d=AnimationUtils.arraySlice(e.resultBuffer,t,r)}if("quaternion"===i){(new Quaternion).fromArray(d).normalize().conjugate().toArray(d)}const p=o.times.length;for(let e=0;e<p;++e){const t=e*h+c;if("quaternion"===i)Quaternion.multiplyQuaternionsFlat(o.values,t,d,0,o.values,t);else{const e=h-2*c;for(let r=0;r<e;++r)o.values[t+r]-=d[r]}}}return e.blendMode=AdditiveAnimationBlendMode,e}};class Interpolant{constructor(e,t,r,n){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==n?n:new t.constructor(r),this.sampleValues=t,this.valueSize=r,this.settings=null,this.DefaultSettings_={}}evaluate(e){const t=this.parameterPositions;let r=this._cachedIndex,n=t[r],i=t[r-1];e:{t:{let a;r:{n:if(!(e<n)){for(let a=r+2;;){if(void 0===n){if(e<i)break n;return r=t.length,this._cachedIndex=r,this.afterEnd_(r-1,e,i)}if(r===a)break;if(i=n,e<(n=t[++r]))break t}a=t.length;break r}if(e>=i)break e;{const o=t[1];e<o&&(r=2,i=o);for(let a=r-2;;){if(void 0===i)return this._cachedIndex=0,this.beforeStart_(0,e,n);if(r===a)break;if(n=i,e>=(i=t[--r-1]))break t}a=r,r=0}}for(;r<a;){const n=r+a>>>1;e<t[n]?a=n:r=n+1}if(n=t[r],void 0===(i=t[r-1]))return this._cachedIndex=0,this.beforeStart_(0,e,n);if(void 0===n)return r=t.length,this._cachedIndex=r,this.afterEnd_(r-1,i,e)}this._cachedIndex=r,this.intervalChanged_(r,i,n)}return this.interpolate_(r,i,e,n)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,r=this.sampleValues,n=this.valueSize,i=e*n;for(let e=0;e!==n;++e)t[e]=r[i+e];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}Interpolant.prototype.beforeStart_=Interpolant.prototype.copySampleValue_,Interpolant.prototype.afterEnd_=Interpolant.prototype.copySampleValue_;class CubicInterpolant extends Interpolant{constructor(e,t,r,n){super(e,t,r,n),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:ZeroCurvatureEnding,endingEnd:ZeroCurvatureEnding}}intervalChanged_(e,t,r){const n=this.parameterPositions;let i=e-2,a=e+1,o=n[i],s=n[a];if(void 0===o)switch(this.getSettings_().endingStart){case ZeroSlopeEnding:i=e,o=2*t-r;break;case WrapAroundEnding:o=t+n[i=n.length-2]-n[i+1];break;default:i=e,o=r}if(void 0===s)switch(this.getSettings_().endingEnd){case ZeroSlopeEnding:a=e,s=2*r-t;break;case WrapAroundEnding:a=1,s=r+n[1]-n[0];break;default:a=e-1,s=t}const l=.5*(r-t),c=this.valueSize;this._weightPrev=l/(t-o),this._weightNext=l/(s-r),this._offsetPrev=i*c,this._offsetNext=a*c}interpolate_(e,t,r,n){const i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=s-o,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(r-t)/(n-t),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,_=(-1-d)*f+(1.5+d)*m+.5*p,y=d*f-d*m;for(let e=0;e!==o;++e)i[e]=g*a[c+e]+v*a[l+e]+_*a[s+e]+y*a[h+e];return i}}class LinearInterpolant extends Interpolant{constructor(e,t,r,n){super(e,t,r,n)}interpolate_(e,t,r,n){const i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=s-o,c=(r-t)/(n-t),h=1-c;for(let e=0;e!==o;++e)i[e]=a[l+e]*h+a[s+e]*c;return i}}class DiscreteInterpolant extends Interpolant{constructor(e,t,r,n){super(e,t,r,n)}interpolate_(e){return this.copySampleValue_(e-1)}}class KeyframeTrack{constructor(e,t,r,n){if(void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=AnimationUtils.convertArray(t,this.TimeBufferType),this.values=AnimationUtils.convertArray(r,this.ValueBufferType),this.setInterpolation(n||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let r;if(t.toJSON!==this.toJSON)r=t.toJSON(e);else{r={name:e.name,times:AnimationUtils.convertArray(e.times,Array),values:AnimationUtils.convertArray(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(r.interpolation=t)}return r.type=e.ValueTypeName,r}InterpolantFactoryMethodDiscrete(e){return new DiscreteInterpolant(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new LinearInterpolant(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new CubicInterpolant(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case InterpolateDiscrete:t=this.InterpolantFactoryMethodDiscrete;break;case InterpolateLinear:t=this.InterpolantFactoryMethodLinear;break;case InterpolateSmooth:t=this.InterpolantFactoryMethodSmooth}if(void 0===t){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(t);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return InterpolateDiscrete;case this.InterpolantFactoryMethodLinear:return InterpolateLinear;case this.InterpolantFactoryMethodSmooth:return InterpolateSmooth}}getValueSize(){return this.values.length/this.times.length}shift(e){if(0!==e){const t=this.times;for(let r=0,n=t.length;r!==n;++r)t[r]+=e}return this}scale(e){if(1!==e){const t=this.times;for(let r=0,n=t.length;r!==n;++r)t[r]*=e}return this}trim(e,t){const r=this.times,n=r.length;let i=0,a=n-1;for(;i!==n&&r[i]<e;)++i;for(;-1!==a&&r[a]>t;)--a;if(++a,0!==i||a!==n){i>=a&&(i=(a=Math.max(a,1))-1);const e=this.getValueSize();this.times=AnimationUtils.arraySlice(r,i,a),this.values=AnimationUtils.arraySlice(this.values,i*e,a*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const r=this.times,n=this.values,i=r.length;0===i&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let t=0;t!==i;t++){const n=r[t];if("number"==typeof n&&isNaN(n)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,t,n),e=!1;break}if(null!==a&&a>n){console.error("THREE.KeyframeTrack: Out of order keys.",this,t,n,a),e=!1;break}a=n}if(void 0!==n&&AnimationUtils.isTypedArray(n))for(let t=0,r=n.length;t!==r;++t){const r=n[t];if(isNaN(r)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,t,r),e=!1;break}}return e}optimize(){const e=AnimationUtils.arraySlice(this.times),t=AnimationUtils.arraySlice(this.values),r=this.getValueSize(),n=this.getInterpolation()===InterpolateSmooth,i=e.length-1;let a=1;for(let o=1;o<i;++o){let i=!1;const s=e[o];if(s!==e[o+1]&&(1!==o||s!==e[0]))if(n)i=!0;else{const e=o*r,n=e-r,a=e+r;for(let o=0;o!==r;++o){const r=t[e+o];if(r!==t[n+o]||r!==t[a+o]){i=!0;break}}}if(i){if(o!==a){e[a]=e[o];const n=o*r,i=a*r;for(let e=0;e!==r;++e)t[i+e]=t[n+e]}++a}}if(i>0){e[a]=e[i];for(let e=i*r,n=a*r,o=0;o!==r;++o)t[n+o]=t[e+o];++a}return a!==e.length?(this.times=AnimationUtils.arraySlice(e,0,a),this.values=AnimationUtils.arraySlice(t,0,a*r)):(this.times=e,this.values=t),this}clone(){const e=AnimationUtils.arraySlice(this.times,0),t=AnimationUtils.arraySlice(this.values,0),r=new(0,this.constructor)(this.name,e,t);return r.createInterpolant=this.createInterpolant,r}}KeyframeTrack.prototype.TimeBufferType=Float32Array,KeyframeTrack.prototype.ValueBufferType=Float32Array,KeyframeTrack.prototype.DefaultInterpolation=InterpolateLinear;class BooleanKeyframeTrack extends KeyframeTrack{}BooleanKeyframeTrack.prototype.ValueTypeName="bool",BooleanKeyframeTrack.prototype.ValueBufferType=Array,BooleanKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete,BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear=void 0,BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=void 0;class ColorKeyframeTrack extends KeyframeTrack{}ColorKeyframeTrack.prototype.ValueTypeName="color";class NumberKeyframeTrack extends KeyframeTrack{}NumberKeyframeTrack.prototype.ValueTypeName="number";class QuaternionLinearInterpolant extends Interpolant{constructor(e,t,r,n){super(e,t,r,n)}interpolate_(e,t,r,n){const i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=(r-t)/(n-t);let l=e*o;for(let e=l+o;l!==e;l+=4)Quaternion.slerpFlat(i,0,a,l-o,a,l,s);return i}}class QuaternionKeyframeTrack extends KeyframeTrack{InterpolantFactoryMethodLinear(e){return new QuaternionLinearInterpolant(this.times,this.values,this.getValueSize(),e)}}QuaternionKeyframeTrack.prototype.ValueTypeName="quaternion",QuaternionKeyframeTrack.prototype.DefaultInterpolation=InterpolateLinear,QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=void 0;class StringKeyframeTrack extends KeyframeTrack{}StringKeyframeTrack.prototype.ValueTypeName="string",StringKeyframeTrack.prototype.ValueBufferType=Array,StringKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete,StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear=void 0,StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=void 0;class VectorKeyframeTrack extends KeyframeTrack{}VectorKeyframeTrack.prototype.ValueTypeName="vector";class AnimationClip{constructor(e,t=-1,r,n=NormalAnimationBlendMode){this.name=e,this.tracks=r,this.duration=t,this.blendMode=n,this.uuid=generateUUID(),this.duration<0&&this.resetDuration()}static parse(e){const t=[],r=e.tracks,n=1/(e.fps||1);for(let e=0,i=r.length;e!==i;++e)t.push(parseKeyframeTrack(r[e]).scale(n));const i=new this(e.name,e.duration,t,e.blendMode);return i.uuid=e.uuid,i}static toJSON(e){const t=[],r=e.tracks,n={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let e=0,n=r.length;e!==n;++e)t.push(KeyframeTrack.toJSON(r[e]));return n}static CreateFromMorphTargetSequence(e,t,r,n){const i=t.length,a=[];for(let e=0;e<i;e++){let o=[],s=[];o.push((e+i-1)%i,e,(e+1)%i),s.push(0,1,0);const l=AnimationUtils.getKeyframeOrder(o);o=AnimationUtils.sortedArray(o,1,l),s=AnimationUtils.sortedArray(s,1,l),n||0!==o[0]||(o.push(i),s.push(s[0])),a.push(new NumberKeyframeTrack(".morphTargetInfluences["+t[e].name+"]",o,s).scale(1/r))}return new this(e,-1,a)}static findByName(e,t){let r=e;if(!Array.isArray(e)){const t=e;r=t.geometry&&t.geometry.animations||t.animations}for(let e=0;e<r.length;e++)if(r[e].name===t)return r[e];return null}static CreateClipsFromMorphTargetSequences(e,t,r){const n={},i=/^([\w-]*?)([\d]+)$/;for(let t=0,r=e.length;t<r;t++){const r=e[t],a=r.name.match(i);if(a&&a.length>1){const e=a[1];let t=n[e];t||(n[e]=t=[]),t.push(r)}}const a=[];for(const e in n)a.push(this.CreateFromMorphTargetSequence(e,n[e],t,r));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const r=function(e,t,r,n,i){if(0!==r.length){const a=[],o=[];AnimationUtils.flattenJSON(r,a,o,n),0!==a.length&&i.push(new e(t,a,o))}},n=[],i=e.name||"default",a=e.fps||30,o=e.blendMode;let s=e.length||-1;const l=e.hierarchy||[];for(let e=0;e<l.length;e++){const i=l[e].keys;if(i&&0!==i.length)if(i[0].morphTargets){const e={};let t;for(t=0;t<i.length;t++)if(i[t].morphTargets)for(let r=0;r<i[t].morphTargets.length;r++)e[i[t].morphTargets[r]]=-1;for(const r in e){const e=[],a=[];for(let n=0;n!==i[t].morphTargets.length;++n){const n=i[t];e.push(n.time),a.push(n.morphTarget===r?1:0)}n.push(new NumberKeyframeTrack(".morphTargetInfluence["+r+"]",e,a))}s=e.length*(a||1)}else{const a=".bones["+t[e].name+"]";r(VectorKeyframeTrack,a+".position",i,"pos",n),r(QuaternionKeyframeTrack,a+".quaternion",i,"rot",n),r(VectorKeyframeTrack,a+".scale",i,"scl",n)}}return 0===n.length?null:new this(i,s,n,o)}resetDuration(){let e=0;for(let t=0,r=this.tracks.length;t!==r;++t){const r=this.tracks[t];e=Math.max(e,r.times[r.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function getTrackTypeForValueTypeName(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return NumberKeyframeTrack;case"vector":case"vector2":case"vector3":case"vector4":return VectorKeyframeTrack;case"color":return ColorKeyframeTrack;case"quaternion":return QuaternionKeyframeTrack;case"bool":case"boolean":return BooleanKeyframeTrack;case"string":return StringKeyframeTrack}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}function parseKeyframeTrack(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=getTrackTypeForValueTypeName(e.type);if(void 0===e.times){const t=[],r=[];AnimationUtils.flattenJSON(e.keys,t,r,"value"),e.times=t,e.values=r}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const Cache={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class LoadingManager{constructor(e,t,r){const n=this;let i=!1,a=0,o=0,s=void 0;const l=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=r,this.itemStart=function(e){o++,!1===i&&void 0!==n.onStart&&n.onStart(e,a,o),i=!0},this.itemEnd=function(e){a++,void 0!==n.onProgress&&n.onProgress(e,a,o),a===o&&(i=!1,void 0!==n.onLoad&&n.onLoad())},this.itemError=function(e){void 0!==n.onError&&n.onError(e)},this.resolveURL=function(e){return s?s(e):e},this.setURLModifier=function(e){return s=e,this},this.addHandler=function(e,t){return l.push(e,t),this},this.removeHandler=function(e){const t=l.indexOf(e);return-1!==t&&l.splice(t,2),this},this.getHandler=function(e){for(let t=0,r=l.length;t<r;t+=2){const r=l[t],n=l[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return n}return null}}}const DefaultLoadingManager=new LoadingManager;class Loader{constructor(e){this.manager=void 0!==e?e:DefaultLoadingManager,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const r=this;return new Promise(function(n,i){r.load(e,n,t,i)})}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const loading={};class FileLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,a=Cache.get(e);if(void 0!==a)return i.manager.itemStart(e),setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0),a;if(void 0!==loading[e])return void loading[e].push({onLoad:t,onProgress:r,onError:n});const o=e.match(/^data:(.*?)(;base64)?,(.*)$/);let s;if(o){const r=o[1],a=!!o[2];let s=o[3];s=decodeURIComponent(s),a&&(s=atob(s));try{let a;const o=(this.responseType||"").toLowerCase();switch(o){case"arraybuffer":case"blob":const e=new Uint8Array(s.length);for(let t=0;t<s.length;t++)e[t]=s.charCodeAt(t);a="blob"===o?new Blob([e.buffer],{type:r}):e.buffer;break;case"document":const t=new DOMParser;a=t.parseFromString(s,r);break;case"json":a=JSON.parse(s);break;default:a=s}setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0)}catch(t){setTimeout(function(){n&&n(t),i.manager.itemError(e),i.manager.itemEnd(e)},0)}}else{loading[e]=[],loading[e].push({onLoad:t,onProgress:r,onError:n}),(s=new XMLHttpRequest).open("GET",e,!0),s.addEventListener("load",function(t){const r=this.response,n=loading[e];if(delete loading[e],200===this.status||0===this.status){0===this.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),Cache.add(e,r);for(let e=0,t=n.length;e<t;e++){const t=n[e];t.onLoad&&t.onLoad(r)}i.manager.itemEnd(e)}else{for(let e=0,r=n.length;e<r;e++){const r=n[e];r.onError&&r.onError(t)}i.manager.itemError(e),i.manager.itemEnd(e)}},!1),s.addEventListener("progress",function(t){const r=loading[e];for(let e=0,n=r.length;e<n;e++){const n=r[e];n.onProgress&&n.onProgress(t)}},!1),s.addEventListener("error",function(t){const r=loading[e];delete loading[e];for(let e=0,n=r.length;e<n;e++){const n=r[e];n.onError&&n.onError(t)}i.manager.itemError(e),i.manager.itemEnd(e)},!1),s.addEventListener("abort",function(t){const r=loading[e];delete loading[e];for(let e=0,n=r.length;e<n;e++){const n=r[e];n.onError&&n.onError(t)}i.manager.itemError(e),i.manager.itemEnd(e)},!1),void 0!==this.responseType&&(s.responseType=this.responseType),void 0!==this.withCredentials&&(s.withCredentials=this.withCredentials),s.overrideMimeType&&s.overrideMimeType(void 0!==this.mimeType?this.mimeType:"text/plain");for(const e in this.requestHeader)s.setRequestHeader(e,this.requestHeader[e]);s.send(null)}return i.manager.itemStart(e),s}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class AnimationLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=new FileLoader(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(r){try{t(i.parse(JSON.parse(r)))}catch(t){n?n(t):console.error(t),i.manager.itemError(e)}},r,n)}parse(e){const t=[];for(let r=0;r<e.length;r++){const n=AnimationClip.parse(e[r]);t.push(n)}return t}}class CompressedTextureLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=[],o=new CompressedTexture,s=new FileLoader(this.manager);s.setPath(this.path),s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),s.setWithCredentials(i.withCredentials);let l=0;function c(c){s.load(e[c],function(e){const r=i.parse(e,!0);a[c]={width:r.width,height:r.height,format:r.format,mipmaps:r.mipmaps},6===(l+=1)&&(1===r.mipmapCount&&(o.minFilter=LinearFilter),o.image=a,o.format=r.format,o.needsUpdate=!0,t&&t(o))},r,n)}if(Array.isArray(e))for(let t=0,r=e.length;t<r;++t)c(t);else s.load(e,function(e){const r=i.parse(e,!0);if(r.isCubemap){const e=r.mipmaps.length/r.mipmapCount;for(let t=0;t<e;t++){a[t]={mipmaps:[]};for(let e=0;e<r.mipmapCount;e++)a[t].mipmaps.push(r.mipmaps[t*r.mipmapCount+e]),a[t].format=r.format,a[t].width=r.width,a[t].height=r.height}o.image=a}else o.image.width=r.width,o.image.height=r.height,o.mipmaps=r.mipmaps;1===r.mipmapCount&&(o.minFilter=LinearFilter),o.format=r.format,o.needsUpdate=!0,t&&t(o)},r,n);return o}}class ImageLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,a=Cache.get(e);if(void 0!==a)return i.manager.itemStart(e),setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0),a;const o=document.createElementNS("http://www.w3.org/1999/xhtml","img");function s(){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),Cache.add(e,this),t&&t(this),i.manager.itemEnd(e)}function l(t){o.removeEventListener("load",s,!1),o.removeEventListener("error",l,!1),n&&n(t),i.manager.itemError(e),i.manager.itemEnd(e)}return o.addEventListener("load",s,!1),o.addEventListener("error",l,!1),"data:"!==e.substr(0,5)&&void 0!==this.crossOrigin&&(o.crossOrigin=this.crossOrigin),i.manager.itemStart(e),o.src=e,o}}class CubeTextureLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=new CubeTexture,a=new ImageLoader(this.manager);a.setCrossOrigin(this.crossOrigin),a.setPath(this.path);let o=0;function s(r){a.load(e[r],function(e){i.images[r]=e,6===++o&&(i.needsUpdate=!0,t&&t(i))},void 0,n)}for(let t=0;t<e.length;++t)s(t);return i}}class DataTextureLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=new DataTexture,o=new FileLoader(this.manager);return o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setPath(this.path),o.setWithCredentials(i.withCredentials),o.load(e,function(e){const r=i.parse(e);r&&(void 0!==r.image?a.image=r.image:void 0!==r.data&&(a.image.width=r.width,a.image.height=r.height,a.image.data=r.data),a.wrapS=void 0!==r.wrapS?r.wrapS:ClampToEdgeWrapping,a.wrapT=void 0!==r.wrapT?r.wrapT:ClampToEdgeWrapping,a.magFilter=void 0!==r.magFilter?r.magFilter:LinearFilter,a.minFilter=void 0!==r.minFilter?r.minFilter:LinearFilter,a.anisotropy=void 0!==r.anisotropy?r.anisotropy:1,void 0!==r.encoding&&(a.encoding=r.encoding),void 0!==r.flipY&&(a.flipY=r.flipY),void 0!==r.format&&(a.format=r.format),void 0!==r.type&&(a.type=r.type),void 0!==r.mipmaps&&(a.mipmaps=r.mipmaps,a.minFilter=LinearMipmapLinearFilter),1===r.mipmapCount&&(a.minFilter=LinearFilter),void 0!==r.generateMipmaps&&(a.generateMipmaps=r.generateMipmaps),a.needsUpdate=!0,t&&t(a,r))},r,n),a}}class TextureLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=new Texture,a=new ImageLoader(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(e,function(r){i.image=r;const n=e.search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/);i.format=n?RGBFormat:RGBAFormat,i.needsUpdate=!0,void 0!==t&&t(i)},r,n),i}}class Curve{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){const r=this.getUtoTmapping(e);return this.getPoint(r,t)}getPoints(e=5){const t=[];for(let r=0;r<=e;r++)t.push(this.getPoint(r/e));return t}getSpacedPoints(e=5){const t=[];for(let r=0;r<=e;r++)t.push(this.getPointAt(r/e));return t}getLength(){const e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let r,n=this.getPoint(0),i=0;t.push(0);for(let a=1;a<=e;a++)i+=(r=this.getPoint(a/e)).distanceTo(n),t.push(i),n=r;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){const r=this.getLengths();let n=0;const i=r.length;let a;a=t||e*r[i-1];let o,s=0,l=i-1;for(;s<=l;)if((o=r[n=Math.floor(s+(l-s)/2)]-a)<0)s=n+1;else{if(!(o>0)){l=n;break}l=n-1}if(r[n=l]===a)return n/(i-1);const c=r[n];return(n+(a-c)/(r[n+1]-c))/(i-1)}getTangent(e,t){let r=e-1e-4,n=e+1e-4;r<0&&(r=0),n>1&&(n=1);const i=this.getPoint(r),a=this.getPoint(n),o=t||(i.isVector2?new Vector2:new Vector3);return o.copy(a).sub(i).normalize(),o}getTangentAt(e,t){const r=this.getUtoTmapping(e);return this.getTangent(r,t)}computeFrenetFrames(e,t){const r=new Vector3,n=[],i=[],a=[],o=new Vector3,s=new Matrix4;for(let t=0;t<=e;t++){const r=t/e;n[t]=this.getTangentAt(r,new Vector3),n[t].normalize()}i[0]=new Vector3,a[0]=new Vector3;let l=Number.MAX_VALUE;const c=Math.abs(n[0].x),h=Math.abs(n[0].y),u=Math.abs(n[0].z);c<=l&&(l=c,r.set(1,0,0)),h<=l&&(l=h,r.set(0,1,0)),u<=l&&r.set(0,0,1),o.crossVectors(n[0],r).normalize(),i[0].crossVectors(n[0],o),a[0].crossVectors(n[0],i[0]);for(let t=1;t<=e;t++){if(i[t]=i[t-1].clone(),a[t]=a[t-1].clone(),o.crossVectors(n[t-1],n[t]),o.length()>Number.EPSILON){o.normalize();const e=Math.acos(clamp(n[t-1].dot(n[t]),-1,1));i[t].applyMatrix4(s.makeRotationAxis(o,e))}a[t].crossVectors(n[t],i[t])}if(!0===t){let t=Math.acos(clamp(i[0].dot(i[e]),-1,1));t/=e,n[0].dot(o.crossVectors(i[0],i[e]))>0&&(t=-t);for(let r=1;r<=e;r++)i[r].applyMatrix4(s.makeRotationAxis(n[r],t*r)),a[r].crossVectors(n[r],i[r])}return{tangents:n,normals:i,binormals:a}}clone(){return(new this.constructor).copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){const e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class EllipseCurve extends Curve{constructor(e=0,t=0,r=1,n=1,i=0,a=2*Math.PI,o=!1,s=0){super(),this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=r,this.yRadius=n,this.aStartAngle=i,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}getPoint(e,t){const r=t||new Vector2,n=2*Math.PI;let i=this.aEndAngle-this.aStartAngle;const a=Math.abs(i)<Number.EPSILON;for(;i<0;)i+=n;for(;i>n;)i-=n;i<Number.EPSILON&&(i=a?0:n),!0!==this.aClockwise||a||(i===n?i=-n:i-=n);const o=this.aStartAngle+e*i;let s=this.aX+this.xRadius*Math.cos(o),l=this.aY+this.yRadius*Math.sin(o);if(0!==this.aRotation){const e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),r=s-this.aX,n=l-this.aY;s=r*e-n*t+this.aX,l=r*t+n*e+this.aY}return r.set(s,l)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}EllipseCurve.prototype.isEllipseCurve=!0;class ArcCurve extends EllipseCurve{constructor(e,t,r,n,i,a){super(e,t,r,r,n,i,a),this.type="ArcCurve"}}function CubicPoly(){let e=0,t=0,r=0,n=0;function i(i,a,o,s){e=i,t=o,r=-3*i+3*a-2*o-s,n=2*i-2*a+o+s}return{initCatmullRom:function(e,t,r,n,a){i(t,r,a*(r-e),a*(n-t))},initNonuniformCatmullRom:function(e,t,r,n,a,o,s){let l=(t-e)/a-(r-e)/(a+o)+(r-t)/o,c=(r-t)/o-(n-t)/(o+s)+(n-r)/s;i(t,r,l*=o,c*=o)},calc:function(i){const a=i*i;return e+t*i+r*a+n*(a*i)}}}ArcCurve.prototype.isArcCurve=!0;const tmp=new Vector3,px=new CubicPoly,py=new CubicPoly,pz=new CubicPoly;class CatmullRomCurve3 extends Curve{constructor(e=[],t=!1,r="centripetal",n=.5){super(),this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=r,this.tension=n}getPoint(e,t=new Vector3){const r=t,n=this.points,i=n.length,a=(i-(this.closed?0:1))*e;let o,s,l=Math.floor(a),c=a-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/i)+1)*i:0===c&&l===i-1&&(l=i-2,c=1),this.closed||l>0?o=n[(l-1)%i]:(tmp.subVectors(n[0],n[1]).add(n[0]),o=tmp);const h=n[l%i],u=n[(l+1)%i];if(this.closed||l+2<i?s=n[(l+2)%i]:(tmp.subVectors(n[i-1],n[i-2]).add(n[i-1]),s=tmp),"centripetal"===this.curveType||"chordal"===this.curveType){const e="chordal"===this.curveType?.5:.25;let t=Math.pow(o.distanceToSquared(h),e),r=Math.pow(h.distanceToSquared(u),e),n=Math.pow(u.distanceToSquared(s),e);r<1e-4&&(r=1),t<1e-4&&(t=r),n<1e-4&&(n=r),px.initNonuniformCatmullRom(o.x,h.x,u.x,s.x,t,r,n),py.initNonuniformCatmullRom(o.y,h.y,u.y,s.y,t,r,n),pz.initNonuniformCatmullRom(o.z,h.z,u.z,s.z,t,r,n)}else"catmullrom"===this.curveType&&(px.initCatmullRom(o.x,h.x,u.x,s.x,this.tension),py.initCatmullRom(o.y,h.y,u.y,s.y,this.tension),pz.initCatmullRom(o.z,h.z,u.z,s.z,this.tension));return r.set(px.calc(c),py.calc(c),pz.calc(c)),r}copy(e){super.copy(e),this.points=[];for(let t=0,r=e.points.length;t<r;t++){const r=e.points[t];this.points.push(r.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,r=this.points.length;t<r;t++){const r=this.points[t];e.points.push(r.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,r=e.points.length;t<r;t++){const r=e.points[t];this.points.push((new Vector3).fromArray(r))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function CatmullRom(e,t,r,n,i){const a=.5*(n-t),o=.5*(i-r),s=e*e;return(2*r-2*n+a+o)*(e*s)+(-3*r+3*n-2*a-o)*s+a*e+r}function QuadraticBezierP0(e,t){const r=1-e;return r*r*t}function QuadraticBezierP1(e,t){return 2*(1-e)*e*t}function QuadraticBezierP2(e,t){return e*e*t}function QuadraticBezier(e,t,r,n){return QuadraticBezierP0(e,t)+QuadraticBezierP1(e,r)+QuadraticBezierP2(e,n)}function CubicBezierP0(e,t){const r=1-e;return r*r*r*t}function CubicBezierP1(e,t){const r=1-e;return 3*r*r*e*t}function CubicBezierP2(e,t){return 3*(1-e)*e*e*t}function CubicBezierP3(e,t){return e*e*e*t}function CubicBezier(e,t,r,n,i){return CubicBezierP0(e,t)+CubicBezierP1(e,r)+CubicBezierP2(e,n)+CubicBezierP3(e,i)}CatmullRomCurve3.prototype.isCatmullRomCurve3=!0;class CubicBezierCurve extends Curve{constructor(e=new Vector2,t=new Vector2,r=new Vector2,n=new Vector2){super(),this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=r,this.v3=n}getPoint(e,t=new Vector2){const r=t,n=this.v0,i=this.v1,a=this.v2,o=this.v3;return r.set(CubicBezier(e,n.x,i.x,a.x,o.x),CubicBezier(e,n.y,i.y,a.y,o.y)),r}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}CubicBezierCurve.prototype.isCubicBezierCurve=!0;class CubicBezierCurve3 extends Curve{constructor(e=new Vector3,t=new Vector3,r=new Vector3,n=new Vector3){super(),this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=r,this.v3=n}getPoint(e,t=new Vector3){const r=t,n=this.v0,i=this.v1,a=this.v2,o=this.v3;return r.set(CubicBezier(e,n.x,i.x,a.x,o.x),CubicBezier(e,n.y,i.y,a.y,o.y),CubicBezier(e,n.z,i.z,a.z,o.z)),r}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}CubicBezierCurve3.prototype.isCubicBezierCurve3=!0;class LineCurve extends Curve{constructor(e=new Vector2,t=new Vector2){super(),this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new Vector2){const r=t;return 1===e?r.copy(this.v2):(r.copy(this.v2).sub(this.v1),r.multiplyScalar(e).add(this.v1)),r}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t){const r=t||new Vector2;return r.copy(this.v2).sub(this.v1).normalize(),r}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}LineCurve.prototype.isLineCurve=!0;class LineCurve3 extends Curve{constructor(e=new Vector3,t=new Vector3){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=e,this.v2=t}getPoint(e,t=new Vector3){const r=t;return 1===e?r.copy(this.v2):(r.copy(this.v2).sub(this.v1),r.multiplyScalar(e).add(this.v1)),r}getPointAt(e,t){return this.getPoint(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class QuadraticBezierCurve extends Curve{constructor(e=new Vector2,t=new Vector2,r=new Vector2){super(),this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=r}getPoint(e,t=new Vector2){const r=t,n=this.v0,i=this.v1,a=this.v2;return r.set(QuadraticBezier(e,n.x,i.x,a.x),QuadraticBezier(e,n.y,i.y,a.y)),r}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}QuadraticBezierCurve.prototype.isQuadraticBezierCurve=!0;class QuadraticBezierCurve3 extends Curve{constructor(e=new Vector3,t=new Vector3,r=new Vector3){super(),this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=r}getPoint(e,t=new Vector3){const r=t,n=this.v0,i=this.v1,a=this.v2;return r.set(QuadraticBezier(e,n.x,i.x,a.x),QuadraticBezier(e,n.y,i.y,a.y),QuadraticBezier(e,n.z,i.z,a.z)),r}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3=!0;class SplineCurve extends Curve{constructor(e=[]){super(),this.type="SplineCurve",this.points=e}getPoint(e,t=new Vector2){const r=t,n=this.points,i=(n.length-1)*e,a=Math.floor(i),o=i-a,s=n[0===a?a:a-1],l=n[a],c=n[a>n.length-2?n.length-1:a+1],h=n[a>n.length-3?n.length-1:a+2];return r.set(CatmullRom(o,s.x,l.x,c.x,h.x),CatmullRom(o,s.y,l.y,c.y,h.y)),r}copy(e){super.copy(e),this.points=[];for(let t=0,r=e.points.length;t<r;t++){const r=e.points[t];this.points.push(r.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,r=this.points.length;t<r;t++){const r=this.points[t];e.points.push(r.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,r=e.points.length;t<r;t++){const r=e.points[t];this.points.push((new Vector2).fromArray(r))}return this}}SplineCurve.prototype.isSplineCurve=!0;var Curves=Object.freeze({__proto__:null,ArcCurve:ArcCurve,CatmullRomCurve3:CatmullRomCurve3,CubicBezierCurve:CubicBezierCurve,CubicBezierCurve3:CubicBezierCurve3,EllipseCurve:EllipseCurve,LineCurve:LineCurve,LineCurve3:LineCurve3,QuadraticBezierCurve:QuadraticBezierCurve,QuadraticBezierCurve3:QuadraticBezierCurve3,SplineCurve:SplineCurve});class CurvePath extends Curve{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){const e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);e.equals(t)||this.curves.push(new LineCurve(t,e))}getPoint(e){const t=e*this.getLength(),r=this.getCurveLengths();let n=0;for(;n<r.length;){if(r[n]>=t){const e=r[n]-t,i=this.curves[n],a=i.getLength(),o=0===a?0:1-e/a;return i.getPointAt(o)}n++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let r=0,n=this.curves.length;r<n;r++)t+=this.curves[r].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){const t=[];for(let r=0;r<=e;r++)t.push(this.getPoint(r/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){const t=[];let r;for(let n=0,i=this.curves;n<i.length;n++){const a=i[n],o=a&&a.isEllipseCurve?2*e:a&&(a.isLineCurve||a.isLineCurve3)?1:a&&a.isSplineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){const n=s[e];r&&r.equals(n)||(t.push(n),r=n)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,r=e.curves.length;t<r;t++){const r=e.curves[t];this.curves.push(r.clone())}return this.autoClose=e.autoClose,this}toJSON(){const e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,r=this.curves.length;t<r;t++){const r=this.curves[t];e.curves.push(r.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,r=e.curves.length;t<r;t++){const r=e.curves[t];this.curves.push((new Curves[r.type]).fromJSON(r))}return this}}class Path extends CurvePath{constructor(e){super(),this.type="Path",this.currentPoint=new Vector2,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,r=e.length;t<r;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){const r=new LineCurve(this.currentPoint.clone(),new Vector2(e,t));return this.curves.push(r),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,r,n){const i=new QuadraticBezierCurve(this.currentPoint.clone(),new Vector2(e,t),new Vector2(r,n));return this.curves.push(i),this.currentPoint.set(r,n),this}bezierCurveTo(e,t,r,n,i,a){const o=new CubicBezierCurve(this.currentPoint.clone(),new Vector2(e,t),new Vector2(r,n),new Vector2(i,a));return this.curves.push(o),this.currentPoint.set(i,a),this}splineThru(e){const t=[this.currentPoint.clone()].concat(e),r=new SplineCurve(t);return this.curves.push(r),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,r,n,i,a){const o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,r,n,i,a),this}absarc(e,t,r,n,i,a){return this.absellipse(e,t,r,r,n,i,a),this}ellipse(e,t,r,n,i,a,o,s){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(e+l,t+c,r,n,i,a,o,s),this}absellipse(e,t,r,n,i,a,o,s){const l=new EllipseCurve(e,t,r,n,i,a,o,s);if(this.curves.length>0){const e=l.getPoint(0);e.equals(this.currentPoint)||this.lineTo(e.x,e.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class Shape extends Path{constructor(e){super(e),this.uuid=generateUUID(),this.type="Shape",this.holes=[]}getPointsHoles(e){const t=[];for(let r=0,n=this.holes.length;r<n;r++)t[r]=this.holes[r].getPoints(e);return t}extractPoints(e){return{shape:this.getPoints(e),holes:this.getPointsHoles(e)}}copy(e){super.copy(e),this.holes=[];for(let t=0,r=e.holes.length;t<r;t++){const r=e.holes[t];this.holes.push(r.clone())}return this}toJSON(){const e=super.toJSON();e.uuid=this.uuid,e.holes=[];for(let t=0,r=this.holes.length;t<r;t++){const r=this.holes[t];e.holes.push(r.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.uuid=e.uuid,this.holes=[];for(let t=0,r=e.holes.length;t<r;t++){const r=e.holes[t];this.holes.push((new Path).fromJSON(r))}return this}}class Light extends Object3D{constructor(e,t=1){super(),this.type="Light",this.color=new Color(e),this.intensity=t}dispose(){}copy(e){return super.copy(e),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}Light.prototype.isLight=!0;class HemisphereLight extends Light{constructor(e,t,r){super(e,r),this.type="HemisphereLight",this.position.copy(Object3D.DefaultUp),this.updateMatrix(),this.groundColor=new Color(t)}copy(e){return Light.prototype.copy.call(this,e),this.groundColor.copy(e.groundColor),this}}HemisphereLight.prototype.isHemisphereLight=!0;const _projScreenMatrix$1=new Matrix4,_lightPositionWorld$1=new Vector3,_lookTarget$1=new Vector3;class LightShadow{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.mapSize=new Vector2(512,512),this.map=null,this.mapPass=null,this.matrix=new Matrix4,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Frustum,this._frameExtents=new Vector2(1,1),this._viewportCount=1,this._viewports=[new Vector4(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,r=this.matrix;_lightPositionWorld$1.setFromMatrixPosition(e.matrixWorld),t.position.copy(_lightPositionWorld$1),_lookTarget$1.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(_lookTarget$1),t.updateMatrixWorld(),_projScreenMatrix$1.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(_projScreenMatrix$1),r.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),r.multiply(t.projectionMatrix),r.multiply(t.matrixWorldInverse)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class SpotLightShadow extends LightShadow{constructor(){super(new PerspectiveCamera(50,1,.5,500)),this.focus=1}updateMatrices(e){const t=this.camera,r=2*RAD2DEG*e.angle*this.focus,n=this.mapSize.width/this.mapSize.height,i=e.distance||t.far;r===t.fov&&n===t.aspect&&i===t.far||(t.fov=r,t.aspect=n,t.far=i,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}SpotLightShadow.prototype.isSpotLightShadow=!0;class SpotLight extends Light{constructor(e,t,r=0,n=Math.PI/3,i=0,a=1){super(e,t),this.type="SpotLight",this.position.copy(Object3D.DefaultUp),this.updateMatrix(),this.target=new Object3D,this.distance=r,this.angle=n,this.penumbra=i,this.decay=a,this.shadow=new SpotLightShadow}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}SpotLight.prototype.isSpotLight=!0;const _projScreenMatrix=new Matrix4,_lightPositionWorld=new Vector3,_lookTarget=new Vector3;class PointLightShadow extends LightShadow{constructor(){super(new PerspectiveCamera(90,1,.5,500)),this._frameExtents=new Vector2(4,2),this._viewportCount=6,this._viewports=[new Vector4(2,1,1,1),new Vector4(0,1,1,1),new Vector4(3,1,1,1),new Vector4(1,1,1,1),new Vector4(3,0,1,1),new Vector4(1,0,1,1)],this._cubeDirections=[new Vector3(1,0,0),new Vector3(-1,0,0),new Vector3(0,0,1),new Vector3(0,0,-1),new Vector3(0,1,0),new Vector3(0,-1,0)],this._cubeUps=[new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,0,1),new Vector3(0,0,-1)]}updateMatrices(e,t=0){const r=this.camera,n=this.matrix,i=e.distance||r.far;i!==r.far&&(r.far=i,r.updateProjectionMatrix()),_lightPositionWorld.setFromMatrixPosition(e.matrixWorld),r.position.copy(_lightPositionWorld),_lookTarget.copy(r.position),_lookTarget.add(this._cubeDirections[t]),r.up.copy(this._cubeUps[t]),r.lookAt(_lookTarget),r.updateMatrixWorld(),n.makeTranslation(-_lightPositionWorld.x,-_lightPositionWorld.y,-_lightPositionWorld.z),_projScreenMatrix.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),this._frustum.setFromProjectionMatrix(_projScreenMatrix)}}PointLightShadow.prototype.isPointLightShadow=!0;class PointLight extends Light{constructor(e,t,r=0,n=1){super(e,t),this.type="PointLight",this.distance=r,this.decay=n,this.shadow=new PointLightShadow}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}PointLight.prototype.isPointLight=!0;class OrthographicCamera extends Camera{constructor(e=-1,t=1,r=1,n=-1,i=.1,a=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=r,this.bottom=n,this.near=i,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,r,n,i,a){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=r,this.view.offsetY=n,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),r=(this.right+this.left)/2,n=(this.top+this.bottom)/2;let i=r-e,a=r+e,o=n+t,s=n-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;a=(i+=e*this.view.offsetX)+e*this.view.width,s=(o-=t*this.view.offsetY)-t*this.view.height}this.projectionMatrix.makeOrthographic(i,a,o,s,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}OrthographicCamera.prototype.isOrthographicCamera=!0;class DirectionalLightShadow extends LightShadow{constructor(){super(new OrthographicCamera(-5,5,5,-5,.5,500))}}DirectionalLightShadow.prototype.isDirectionalLightShadow=!0;class DirectionalLight extends Light{constructor(e,t){super(e,t),this.type="DirectionalLight",this.position.copy(Object3D.DefaultUp),this.updateMatrix(),this.target=new Object3D,this.shadow=new DirectionalLightShadow}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}DirectionalLight.prototype.isDirectionalLight=!0;class AmbientLight extends Light{constructor(e,t){super(e,t),this.type="AmbientLight"}}AmbientLight.prototype.isAmbientLight=!0;class RectAreaLight extends Light{constructor(e,t,r=10,n=10){super(e,t),this.type="RectAreaLight",this.width=r,this.height=n}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){const t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}}RectAreaLight.prototype.isRectAreaLight=!0;class SphericalHarmonics3{constructor(){this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new Vector3)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){const r=e.x,n=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*n),t.addScaledVector(a[2],.488603*i),t.addScaledVector(a[3],.488603*r),t.addScaledVector(a[4],r*n*1.092548),t.addScaledVector(a[5],n*i*1.092548),t.addScaledVector(a[6],.315392*(3*i*i-1)),t.addScaledVector(a[7],r*i*1.092548),t.addScaledVector(a[8],.546274*(r*r-n*n)),t}getIrradianceAt(e,t){const r=e.x,n=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],1.023328*n),t.addScaledVector(a[2],1.023328*i),t.addScaledVector(a[3],1.023328*r),t.addScaledVector(a[4],.858086*r*n),t.addScaledVector(a[5],.858086*n*i),t.addScaledVector(a[6],.743125*i*i-.247708),t.addScaledVector(a[7],.858086*r*i),t.addScaledVector(a[8],.429043*(r*r-n*n)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let r=0;r<9;r++)this.coefficients[r].addScaledVector(e.coefficients[r],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let r=0;r<9;r++)this.coefficients[r].lerp(e.coefficients[r],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(e,t=0){const r=this.coefficients;for(let n=0;n<9;n++)r[n].fromArray(e,t+3*n);return this}toArray(e=[],t=0){const r=this.coefficients;for(let n=0;n<9;n++)r[n].toArray(e,t+3*n);return e}static getBasisAt(e,t){const r=e.x,n=e.y,i=e.z;t[0]=.282095,t[1]=.488603*n,t[2]=.488603*i,t[3]=.488603*r,t[4]=1.092548*r*n,t[5]=1.092548*n*i,t[6]=.315392*(3*i*i-1),t[7]=1.092548*r*i,t[8]=.546274*(r*r-n*n)}}SphericalHarmonics3.prototype.isSphericalHarmonics3=!0;class LightProbe extends Light{constructor(e=new SphericalHarmonics3,t=1){super(void 0,t),this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromJSON(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}toJSON(e){const t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}LightProbe.prototype.isLightProbe=!0;class MaterialLoader extends Loader{constructor(e){super(e),this.textures={}}load(e,t,r,n){const i=this,a=new FileLoader(i.manager);a.setPath(i.path),a.setRequestHeader(i.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(r){try{t(i.parse(JSON.parse(r)))}catch(t){n?n(t):console.error(t),i.manager.itemError(e)}},r,n)}parse(e){const t=this.textures;function r(e){return void 0===t[e]&&console.warn("THREE.MaterialLoader: Undefined texture",e),t[e]}const n=new Materials[e.type];if(void 0!==e.uuid&&(n.uuid=e.uuid),void 0!==e.name&&(n.name=e.name),void 0!==e.color&&void 0!==n.color&&n.color.setHex(e.color),void 0!==e.roughness&&(n.roughness=e.roughness),void 0!==e.metalness&&(n.metalness=e.metalness),void 0!==e.sheen&&(n.sheen=(new Color).setHex(e.sheen)),void 0!==e.emissive&&void 0!==n.emissive&&n.emissive.setHex(e.emissive),void 0!==e.specular&&void 0!==n.specular&&n.specular.setHex(e.specular),void 0!==e.shininess&&(n.shininess=e.shininess),void 0!==e.clearcoat&&(n.clearcoat=e.clearcoat),void 0!==e.clearcoatRoughness&&(n.clearcoatRoughness=e.clearcoatRoughness),void 0!==e.fog&&(n.fog=e.fog),void 0!==e.flatShading&&(n.flatShading=e.flatShading),void 0!==e.blending&&(n.blending=e.blending),void 0!==e.combine&&(n.combine=e.combine),void 0!==e.side&&(n.side=e.side),void 0!==e.shadowSide&&(n.shadowSide=e.shadowSide),void 0!==e.opacity&&(n.opacity=e.opacity),void 0!==e.transparent&&(n.transparent=e.transparent),void 0!==e.alphaTest&&(n.alphaTest=e.alphaTest),void 0!==e.depthTest&&(n.depthTest=e.depthTest),void 0!==e.depthWrite&&(n.depthWrite=e.depthWrite),void 0!==e.colorWrite&&(n.colorWrite=e.colorWrite),void 0!==e.stencilWrite&&(n.stencilWrite=e.stencilWrite),void 0!==e.stencilWriteMask&&(n.stencilWriteMask=e.stencilWriteMask),void 0!==e.stencilFunc&&(n.stencilFunc=e.stencilFunc),void 0!==e.stencilRef&&(n.stencilRef=e.stencilRef),void 0!==e.stencilFuncMask&&(n.stencilFuncMask=e.stencilFuncMask),void 0!==e.stencilFail&&(n.stencilFail=e.stencilFail),void 0!==e.stencilZFail&&(n.stencilZFail=e.stencilZFail),void 0!==e.stencilZPass&&(n.stencilZPass=e.stencilZPass),void 0!==e.wireframe&&(n.wireframe=e.wireframe),void 0!==e.wireframeLinewidth&&(n.wireframeLinewidth=e.wireframeLinewidth),void 0!==e.wireframeLinecap&&(n.wireframeLinecap=e.wireframeLinecap),void 0!==e.wireframeLinejoin&&(n.wireframeLinejoin=e.wireframeLinejoin),void 0!==e.rotation&&(n.rotation=e.rotation),1!==e.linewidth&&(n.linewidth=e.linewidth),void 0!==e.dashSize&&(n.dashSize=e.dashSize),void 0!==e.gapSize&&(n.gapSize=e.gapSize),void 0!==e.scale&&(n.scale=e.scale),void 0!==e.polygonOffset&&(n.polygonOffset=e.polygonOffset),void 0!==e.polygonOffsetFactor&&(n.polygonOffsetFactor=e.polygonOffsetFactor),void 0!==e.polygonOffsetUnits&&(n.polygonOffsetUnits=e.polygonOffsetUnits),void 0!==e.skinning&&(n.skinning=e.skinning),void 0!==e.morphTargets&&(n.morphTargets=e.morphTargets),void 0!==e.morphNormals&&(n.morphNormals=e.morphNormals),void 0!==e.dithering&&(n.dithering=e.dithering),void 0!==e.alphaToCoverage&&(n.alphaToCoverage=e.alphaToCoverage),void 0!==e.premultipliedAlpha&&(n.premultipliedAlpha=e.premultipliedAlpha),void 0!==e.vertexTangents&&(n.vertexTangents=e.vertexTangents),void 0!==e.visible&&(n.visible=e.visible),void 0!==e.toneMapped&&(n.toneMapped=e.toneMapped),void 0!==e.userData&&(n.userData=e.userData),void 0!==e.vertexColors&&("number"==typeof e.vertexColors?n.vertexColors=e.vertexColors>0:n.vertexColors=e.vertexColors),void 0!==e.uniforms)for(const t in e.uniforms){const i=e.uniforms[t];switch(n.uniforms[t]={},i.type){case"t":n.uniforms[t].value=r(i.value);break;case"c":n.uniforms[t].value=(new Color).setHex(i.value);break;case"v2":n.uniforms[t].value=(new Vector2).fromArray(i.value);break;case"v3":n.uniforms[t].value=(new Vector3).fromArray(i.value);break;case"v4":n.uniforms[t].value=(new Vector4).fromArray(i.value);break;case"m3":n.uniforms[t].value=(new Matrix3).fromArray(i.value);break;case"m4":n.uniforms[t].value=(new Matrix4).fromArray(i.value);break;default:n.uniforms[t].value=i.value}}if(void 0!==e.defines&&(n.defines=e.defines),void 0!==e.vertexShader&&(n.vertexShader=e.vertexShader),void 0!==e.fragmentShader&&(n.fragmentShader=e.fragmentShader),void 0!==e.extensions)for(const t in e.extensions)n.extensions[t]=e.extensions[t];if(void 0!==e.shading&&(n.flatShading=1===e.shading),void 0!==e.size&&(n.size=e.size),void 0!==e.sizeAttenuation&&(n.sizeAttenuation=e.sizeAttenuation),void 0!==e.map&&(n.map=r(e.map)),void 0!==e.matcap&&(n.matcap=r(e.matcap)),void 0!==e.alphaMap&&(n.alphaMap=r(e.alphaMap)),void 0!==e.bumpMap&&(n.bumpMap=r(e.bumpMap)),void 0!==e.bumpScale&&(n.bumpScale=e.bumpScale),void 0!==e.normalMap&&(n.normalMap=r(e.normalMap)),void 0!==e.normalMapType&&(n.normalMapType=e.normalMapType),void 0!==e.normalScale){let t=e.normalScale;!1===Array.isArray(t)&&(t=[t,t]),n.normalScale=(new Vector2).fromArray(t)}return void 0!==e.displacementMap&&(n.displacementMap=r(e.displacementMap)),void 0!==e.displacementScale&&(n.displacementScale=e.displacementScale),void 0!==e.displacementBias&&(n.displacementBias=e.displacementBias),void 0!==e.roughnessMap&&(n.roughnessMap=r(e.roughnessMap)),void 0!==e.metalnessMap&&(n.metalnessMap=r(e.metalnessMap)),void 0!==e.emissiveMap&&(n.emissiveMap=r(e.emissiveMap)),void 0!==e.emissiveIntensity&&(n.emissiveIntensity=e.emissiveIntensity),void 0!==e.specularMap&&(n.specularMap=r(e.specularMap)),void 0!==e.envMap&&(n.envMap=r(e.envMap)),void 0!==e.envMapIntensity&&(n.envMapIntensity=e.envMapIntensity),void 0!==e.reflectivity&&(n.reflectivity=e.reflectivity),void 0!==e.refractionRatio&&(n.refractionRatio=e.refractionRatio),void 0!==e.lightMap&&(n.lightMap=r(e.lightMap)),void 0!==e.lightMapIntensity&&(n.lightMapIntensity=e.lightMapIntensity),void 0!==e.aoMap&&(n.aoMap=r(e.aoMap)),void 0!==e.aoMapIntensity&&(n.aoMapIntensity=e.aoMapIntensity),void 0!==e.gradientMap&&(n.gradientMap=r(e.gradientMap)),void 0!==e.clearcoatMap&&(n.clearcoatMap=r(e.clearcoatMap)),void 0!==e.clearcoatRoughnessMap&&(n.clearcoatRoughnessMap=r(e.clearcoatRoughnessMap)),void 0!==e.clearcoatNormalMap&&(n.clearcoatNormalMap=r(e.clearcoatNormalMap)),void 0!==e.clearcoatNormalScale&&(n.clearcoatNormalScale=(new Vector2).fromArray(e.clearcoatNormalScale)),void 0!==e.transmission&&(n.transmission=e.transmission),void 0!==e.transmissionMap&&(n.transmissionMap=r(e.transmissionMap)),n}setTextures(e){return this.textures=e,this}}class LoaderUtils{static decodeText(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let r=0,n=e.length;r<n;r++)t+=String.fromCharCode(e[r]);try{return decodeURIComponent(escape(t))}catch(e){return t}}static extractUrlBase(e){const t=e.lastIndexOf("/");return-1===t?"./":e.substr(0,t+1)}}class InstancedBufferGeometry extends BufferGeometry{constructor(){super(),this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}clone(){return(new this.constructor).copy(this)}toJSON(){const e=super.toJSON(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}InstancedBufferGeometry.prototype.isInstancedBufferGeometry=!0;class InstancedBufferAttribute extends BufferAttribute{constructor(e,t,r,n){"number"==typeof r&&(n=r,r=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),super(e,t,r),this.meshPerAttribute=n||1}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}InstancedBufferAttribute.prototype.isInstancedBufferAttribute=!0;class BufferGeometryLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=new FileLoader(i.manager);a.setPath(i.path),a.setRequestHeader(i.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(r){try{t(i.parse(JSON.parse(r)))}catch(t){n?n(t):console.error(t),i.manager.itemError(e)}},r,n)}parse(e){const t={},r={};function n(e,n){if(void 0!==t[n])return t[n];const i=e.interleavedBuffers[n],a=function(e,t){if(void 0!==r[t])return r[t];const n=e.arrayBuffers[t],i=new Uint32Array(n).buffer;return r[t]=i,i}(e,i.buffer),o=getTypedArray(i.type,a),s=new InterleavedBuffer(o,i.stride);return s.uuid=i.uuid,t[n]=s,s}const i=e.isInstancedBufferGeometry?new InstancedBufferGeometry:new BufferGeometry,a=e.data.index;if(void 0!==a){const e=getTypedArray(a.type,a.array);i.setIndex(new BufferAttribute(e,1))}const o=e.data.attributes;for(const t in o){const r=o[t];let a;if(r.isInterleavedBufferAttribute){const t=n(e.data,r.data);a=new InterleavedBufferAttribute(t,r.itemSize,r.offset,r.normalized)}else{const e=getTypedArray(r.type,r.array);a=new(r.isInstancedBufferAttribute?InstancedBufferAttribute:BufferAttribute)(e,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),void 0!==r.usage&&a.setUsage(r.usage),void 0!==r.updateRange&&(a.updateRange.offset=r.updateRange.offset,a.updateRange.count=r.updateRange.count),i.setAttribute(t,a)}const s=e.data.morphAttributes;if(s)for(const t in s){const r=s[t],a=[];for(let t=0,i=r.length;t<i;t++){const i=r[t];let o;if(i.isInterleavedBufferAttribute){const t=n(e.data,i.data);o=new InterleavedBufferAttribute(t,i.itemSize,i.offset,i.normalized)}else{const e=getTypedArray(i.type,i.array);o=new BufferAttribute(e,i.itemSize,i.normalized)}void 0!==i.name&&(o.name=i.name),a.push(o)}i.morphAttributes[t]=a}e.data.morphTargetsRelative&&(i.morphTargetsRelative=!0);const l=e.data.groups||e.data.drawcalls||e.data.offsets;if(void 0!==l)for(let e=0,t=l.length;e!==t;++e){const t=l[e];i.addGroup(t.start,t.count,t.materialIndex)}const c=e.data.boundingSphere;if(void 0!==c){const e=new Vector3;void 0!==c.center&&e.fromArray(c.center),i.boundingSphere=new Sphere(e,c.radius)}return e.name&&(i.name=e.name),e.userData&&(i.userData=e.userData),i}}class ObjectLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=""===this.path?LoaderUtils.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;const o=new FileLoader(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(r){let a=null;try{a=JSON.parse(r)}catch(t){return void 0!==n&&n(t),void console.error("THREE:ObjectLoader: Can't parse "+e+".",t.message)}const o=a.metadata;void 0!==o&&void 0!==o.type&&"geometry"!==o.type.toLowerCase()?i.parse(a,t):console.error("THREE.ObjectLoader: Can't load "+e)},r,n)}parse(e,t){const r=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),i=this.parseGeometries(e.geometries,n),a=this.parseImages(e.images,function(){void 0!==t&&t(l)}),o=this.parseTextures(e.textures,a),s=this.parseMaterials(e.materials,o),l=this.parseObject(e.object,i,s,r),c=this.parseSkeletons(e.skeletons,l);if(this.bindSkeletons(l,c),void 0!==t){let e=!1;for(const t in a)if(a[t]instanceof HTMLImageElement){e=!0;break}!1===e&&t(l)}return l}parseShapes(e){const t={};if(void 0!==e)for(let r=0,n=e.length;r<n;r++){const n=(new Shape).fromJSON(e[r]);t[n.uuid]=n}return t}parseSkeletons(e,t){const r={},n={};if(t.traverse(function(e){e.isBone&&(n[e.uuid]=e)}),void 0!==e)for(let t=0,i=e.length;t<i;t++){const i=(new Skeleton).fromJSON(e[t],n);r[i.uuid]=i}return r}parseGeometries(e,t){const r={};let n;if(void 0!==e){const i=new BufferGeometryLoader;for(let a=0,o=e.length;a<o;a++){let o;const s=e[a];switch(s.type){case"PlaneGeometry":case"PlaneBufferGeometry":o=new Geometries[s.type](s.width,s.height,s.widthSegments,s.heightSegments);break;case"BoxGeometry":case"BoxBufferGeometry":o=new Geometries[s.type](s.width,s.height,s.depth,s.widthSegments,s.heightSegments,s.depthSegments);break;case"CircleGeometry":case"CircleBufferGeometry":o=new Geometries[s.type](s.radius,s.segments,s.thetaStart,s.thetaLength);break;case"CylinderGeometry":case"CylinderBufferGeometry":o=new Geometries[s.type](s.radiusTop,s.radiusBottom,s.height,s.radialSegments,s.heightSegments,s.openEnded,s.thetaStart,s.thetaLength);break;case"ConeGeometry":case"ConeBufferGeometry":o=new Geometries[s.type](s.radius,s.height,s.radialSegments,s.heightSegments,s.openEnded,s.thetaStart,s.thetaLength);break;case"SphereGeometry":case"SphereBufferGeometry":o=new Geometries[s.type](s.radius,s.widthSegments,s.heightSegments,s.phiStart,s.phiLength,s.thetaStart,s.thetaLength);break;case"DodecahedronGeometry":case"DodecahedronBufferGeometry":case"IcosahedronGeometry":case"IcosahedronBufferGeometry":case"OctahedronGeometry":case"OctahedronBufferGeometry":case"TetrahedronGeometry":case"TetrahedronBufferGeometry":o=new Geometries[s.type](s.radius,s.detail);break;case"RingGeometry":case"RingBufferGeometry":o=new Geometries[s.type](s.innerRadius,s.outerRadius,s.thetaSegments,s.phiSegments,s.thetaStart,s.thetaLength);break;case"TorusGeometry":case"TorusBufferGeometry":o=new Geometries[s.type](s.radius,s.tube,s.radialSegments,s.tubularSegments,s.arc);break;case"TorusKnotGeometry":case"TorusKnotBufferGeometry":o=new Geometries[s.type](s.radius,s.tube,s.tubularSegments,s.radialSegments,s.p,s.q);break;case"TubeGeometry":case"TubeBufferGeometry":o=new Geometries[s.type]((new Curves[s.path.type]).fromJSON(s.path),s.tubularSegments,s.radius,s.radialSegments,s.closed);break;case"LatheGeometry":case"LatheBufferGeometry":o=new Geometries[s.type](s.points,s.segments,s.phiStart,s.phiLength);break;case"PolyhedronGeometry":case"PolyhedronBufferGeometry":o=new Geometries[s.type](s.vertices,s.indices,s.radius,s.details);break;case"ShapeGeometry":case"ShapeBufferGeometry":n=[];for(let e=0,r=s.shapes.length;e<r;e++){const r=t[s.shapes[e]];n.push(r)}o=new Geometries[s.type](n,s.curveSegments);break;case"ExtrudeGeometry":case"ExtrudeBufferGeometry":n=[];for(let e=0,r=s.shapes.length;e<r;e++){const r=t[s.shapes[e]];n.push(r)}const e=s.options.extrudePath;void 0!==e&&(s.options.extrudePath=(new Curves[e.type]).fromJSON(e)),o=new Geometries[s.type](n,s.options);break;case"BufferGeometry":case"InstancedBufferGeometry":o=i.parse(s);break;case"Geometry":console.error('THREE.ObjectLoader: Loading "Geometry" is not supported anymore.');break;default:console.warn('THREE.ObjectLoader: Unsupported geometry type "'+s.type+'"');continue}o.uuid=s.uuid,void 0!==s.name&&(o.name=s.name),!0===o.isBufferGeometry&&void 0!==s.userData&&(o.userData=s.userData),r[s.uuid]=o}}return r}parseMaterials(e,t){const r={},n={};if(void 0!==e){const i=new MaterialLoader;i.setTextures(t);for(let t=0,a=e.length;t<a;t++){const a=e[t];if("MultiMaterial"===a.type){const e=[];for(let t=0;t<a.materials.length;t++){const n=a.materials[t];void 0===r[n.uuid]&&(r[n.uuid]=i.parse(n)),e.push(r[n.uuid])}n[a.uuid]=e}else void 0===r[a.uuid]&&(r[a.uuid]=i.parse(a)),n[a.uuid]=r[a.uuid]}}return n}parseAnimations(e){const t={};if(void 0!==e)for(let r=0;r<e.length;r++){const n=e[r],i=AnimationClip.parse(n);t[i.uuid]=i}return t}parseImages(e,t){const r=this,n={};let i;function a(e){if("string"==typeof e){const t=e,n=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(t)?t:r.resourcePath+t;return t=n,r.manager.itemStart(t),i.load(t,function(){r.manager.itemEnd(t)},void 0,function(){r.manager.itemError(t),r.manager.itemEnd(t)})}return e.data?{data:getTypedArray(e.type,e.data),width:e.width,height:e.height}:null;var t}if(void 0!==e&&e.length>0){const r=new LoadingManager(t);(i=new ImageLoader(r)).setCrossOrigin(this.crossOrigin);for(let t=0,r=e.length;t<r;t++){const r=e[t],i=r.url;if(Array.isArray(i)){n[r.uuid]=[];for(let e=0,t=i.length;e<t;e++){const t=a(i[e]);null!==t&&(t instanceof HTMLImageElement?n[r.uuid].push(t):n[r.uuid].push(new DataTexture(t.data,t.width,t.height)))}}else{const e=a(r.url);null!==e&&(n[r.uuid]=e)}}}return n}parseTextures(e,t){function r(e,t){return"number"==typeof e?e:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",e),t[e])}const n={};if(void 0!==e)for(let i=0,a=e.length;i<a;i++){const a=e[i];let o;void 0===a.image&&console.warn('THREE.ObjectLoader: No "image" specified for',a.uuid),void 0===t[a.image]&&console.warn("THREE.ObjectLoader: Undefined image",a.image);const s=t[a.image];Array.isArray(s)?(o=new CubeTexture(s),6===s.length&&(o.needsUpdate=!0)):(o=s&&s.data?new DataTexture(s.data,s.width,s.height):new Texture(s),s&&(o.needsUpdate=!0)),o.uuid=a.uuid,void 0!==a.name&&(o.name=a.name),void 0!==a.mapping&&(o.mapping=r(a.mapping,TEXTURE_MAPPING)),void 0!==a.offset&&o.offset.fromArray(a.offset),void 0!==a.repeat&&o.repeat.fromArray(a.repeat),void 0!==a.center&&o.center.fromArray(a.center),void 0!==a.rotation&&(o.rotation=a.rotation),void 0!==a.wrap&&(o.wrapS=r(a.wrap[0],TEXTURE_WRAPPING),o.wrapT=r(a.wrap[1],TEXTURE_WRAPPING)),void 0!==a.format&&(o.format=a.format),void 0!==a.type&&(o.type=a.type),void 0!==a.encoding&&(o.encoding=a.encoding),void 0!==a.minFilter&&(o.minFilter=r(a.minFilter,TEXTURE_FILTER)),void 0!==a.magFilter&&(o.magFilter=r(a.magFilter,TEXTURE_FILTER)),void 0!==a.anisotropy&&(o.anisotropy=a.anisotropy),void 0!==a.flipY&&(o.flipY=a.flipY),void 0!==a.premultiplyAlpha&&(o.premultiplyAlpha=a.premultiplyAlpha),void 0!==a.unpackAlignment&&(o.unpackAlignment=a.unpackAlignment),n[a.uuid]=o}return n}parseObject(e,t,r,n){let i,a,o;function s(e){return void 0===t[e]&&console.warn("THREE.ObjectLoader: Undefined geometry",e),t[e]}function l(e){if(void 0!==e){if(Array.isArray(e)){const t=[];for(let n=0,i=e.length;n<i;n++){const i=e[n];void 0===r[i]&&console.warn("THREE.ObjectLoader: Undefined material",i),t.push(r[i])}return t}return void 0===r[e]&&console.warn("THREE.ObjectLoader: Undefined material",e),r[e]}}switch(e.type){case"Scene":i=new Scene,void 0!==e.background&&Number.isInteger(e.background)&&(i.background=new Color(e.background)),void 0!==e.fog&&("Fog"===e.fog.type?i.fog=new Fog(e.fog.color,e.fog.near,e.fog.far):"FogExp2"===e.fog.type&&(i.fog=new FogExp2(e.fog.color,e.fog.density)));break;case"PerspectiveCamera":i=new PerspectiveCamera(e.fov,e.aspect,e.near,e.far),void 0!==e.focus&&(i.focus=e.focus),void 0!==e.zoom&&(i.zoom=e.zoom),void 0!==e.filmGauge&&(i.filmGauge=e.filmGauge),void 0!==e.filmOffset&&(i.filmOffset=e.filmOffset),void 0!==e.view&&(i.view=Object.assign({},e.view));break;case"OrthographicCamera":i=new OrthographicCamera(e.left,e.right,e.top,e.bottom,e.near,e.far),void 0!==e.zoom&&(i.zoom=e.zoom),void 0!==e.view&&(i.view=Object.assign({},e.view));break;case"AmbientLight":i=new AmbientLight(e.color,e.intensity);break;case"DirectionalLight":i=new DirectionalLight(e.color,e.intensity);break;case"PointLight":i=new PointLight(e.color,e.intensity,e.distance,e.decay);break;case"RectAreaLight":i=new RectAreaLight(e.color,e.intensity,e.width,e.height);break;case"SpotLight":i=new SpotLight(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);break;case"HemisphereLight":i=new HemisphereLight(e.color,e.groundColor,e.intensity);break;case"LightProbe":i=(new LightProbe).fromJSON(e);break;case"SkinnedMesh":a=s(e.geometry),o=l(e.material),i=new SkinnedMesh(a,o),void 0!==e.bindMode&&(i.bindMode=e.bindMode),void 0!==e.bindMatrix&&i.bindMatrix.fromArray(e.bindMatrix),void 0!==e.skeleton&&(i.skeleton=e.skeleton);break;case"Mesh":a=s(e.geometry),o=l(e.material),i=new Mesh(a,o);break;case"InstancedMesh":a=s(e.geometry),o=l(e.material);const t=e.count,r=e.instanceMatrix,n=e.instanceColor;(i=new InstancedMesh(a,o,t)).instanceMatrix=new BufferAttribute(new Float32Array(r.array),16),void 0!==n&&(i.instanceColor=new BufferAttribute(new Float32Array(n.array),n.itemSize));break;case"LOD":i=new LOD;break;case"Line":i=new Line(s(e.geometry),l(e.material));break;case"LineLoop":i=new LineLoop(s(e.geometry),l(e.material));break;case"LineSegments":i=new LineSegments(s(e.geometry),l(e.material));break;case"PointCloud":case"Points":i=new Points(s(e.geometry),l(e.material));break;case"Sprite":i=new Sprite(l(e.material));break;case"Group":i=new Group;break;case"Bone":i=new Bone;break;default:i=new Object3D}if(i.uuid=e.uuid,void 0!==e.name&&(i.name=e.name),void 0!==e.matrix?(i.matrix.fromArray(e.matrix),void 0!==e.matrixAutoUpdate&&(i.matrixAutoUpdate=e.matrixAutoUpdate),i.matrixAutoUpdate&&i.matrix.decompose(i.position,i.quaternion,i.scale)):(void 0!==e.position&&i.position.fromArray(e.position),void 0!==e.rotation&&i.rotation.fromArray(e.rotation),void 0!==e.quaternion&&i.quaternion.fromArray(e.quaternion),void 0!==e.scale&&i.scale.fromArray(e.scale)),void 0!==e.castShadow&&(i.castShadow=e.castShadow),void 0!==e.receiveShadow&&(i.receiveShadow=e.receiveShadow),e.shadow&&(void 0!==e.shadow.bias&&(i.shadow.bias=e.shadow.bias),void 0!==e.shadow.normalBias&&(i.shadow.normalBias=e.shadow.normalBias),void 0!==e.shadow.radius&&(i.shadow.radius=e.shadow.radius),void 0!==e.shadow.mapSize&&i.shadow.mapSize.fromArray(e.shadow.mapSize),void 0!==e.shadow.camera&&(i.shadow.camera=this.parseObject(e.shadow.camera))),void 0!==e.visible&&(i.visible=e.visible),void 0!==e.frustumCulled&&(i.frustumCulled=e.frustumCulled),void 0!==e.renderOrder&&(i.renderOrder=e.renderOrder),void 0!==e.userData&&(i.userData=e.userData),void 0!==e.layers&&(i.layers.mask=e.layers),void 0!==e.children){const a=e.children;for(let e=0;e<a.length;e++)i.add(this.parseObject(a[e],t,r,n))}if(void 0!==e.animations){const t=e.animations;for(let e=0;e<t.length;e++){const r=t[e];i.animations.push(n[r])}}if("LOD"===e.type){void 0!==e.autoUpdate&&(i.autoUpdate=e.autoUpdate);const t=e.levels;for(let e=0;e<t.length;e++){const r=t[e],n=i.getObjectByProperty("uuid",r.object);void 0!==n&&i.addLevel(n,r.distance)}}return i}bindSkeletons(e,t){0!==Object.keys(t).length&&e.traverse(function(e){if(!0===e.isSkinnedMesh&&void 0!==e.skeleton){const r=t[e.skeleton];void 0===r?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",e.skeleton):e.bind(r,e.bindMatrix)}})}setTexturePath(e){return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),this.setResourcePath(e)}}const TEXTURE_MAPPING={UVMapping:UVMapping,CubeReflectionMapping:CubeReflectionMapping,CubeRefractionMapping:CubeRefractionMapping,EquirectangularReflectionMapping:EquirectangularReflectionMapping,EquirectangularRefractionMapping:EquirectangularRefractionMapping,CubeUVReflectionMapping:CubeUVReflectionMapping,CubeUVRefractionMapping:CubeUVRefractionMapping},TEXTURE_WRAPPING={RepeatWrapping:RepeatWrapping,ClampToEdgeWrapping:ClampToEdgeWrapping,MirroredRepeatWrapping:MirroredRepeatWrapping},TEXTURE_FILTER={NearestFilter:NearestFilter,NearestMipmapNearestFilter:NearestMipmapNearestFilter,NearestMipmapLinearFilter:NearestMipmapLinearFilter,LinearFilter:LinearFilter,LinearMipmapNearestFilter:LinearMipmapNearestFilter,LinearMipmapLinearFilter:LinearMipmapLinearFilter};class ImageBitmapLoader extends Loader{constructor(e){super(e),"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,r,n){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,a=Cache.get(e);if(void 0!==a)return i.manager.itemStart(e),setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0),a;const o={};o.credentials="anonymous"===this.crossOrigin?"same-origin":"include",o.headers=this.requestHeader,fetch(e,o).then(function(e){return e.blob()}).then(function(e){return createImageBitmap(e,Object.assign(i.options,{colorSpaceConversion:"none"}))}).then(function(r){Cache.add(e,r),t&&t(r),i.manager.itemEnd(e)}).catch(function(t){n&&n(t),i.manager.itemError(e),i.manager.itemEnd(e)}),i.manager.itemStart(e)}}ImageBitmapLoader.prototype.isImageBitmapLoader=!0;class ShapePath{constructor(){this.type="ShapePath",this.color=new Color,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new Path,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,r,n){return this.currentPath.quadraticCurveTo(e,t,r,n),this}bezierCurveTo(e,t,r,n,i,a){return this.currentPath.bezierCurveTo(e,t,r,n,i,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e,t){function r(e){const t=[];for(let r=0,n=e.length;r<n;r++){const n=e[r],i=new Shape;i.curves=n.curves,t.push(i)}return t}function n(e,t){const r=t.length;let n=!1;for(let i=r-1,a=0;a<r;i=a++){let r=t[i],o=t[a],s=o.x-r.x,l=o.y-r.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(r=t[a],s=-s,o=t[i],l=-l),e.y<r.y||e.y>o.y)continue;if(e.y===r.y){if(e.x===r.x)return!0}else{const t=l*(e.x-r.x)-s*(e.y-r.y);if(0===t)return!0;if(t<0)continue;n=!n}}else{if(e.y!==r.y)continue;if(o.x<=e.x&&e.x<=r.x||r.x<=e.x&&e.x<=o.x)return!0}}return n}const i=ShapeUtils.isClockWise,a=this.subPaths;if(0===a.length)return[];if(!0===t)return r(a);let o,s,l;const c=[];if(1===a.length)return s=a[0],(l=new Shape).curves=s.curves,c.push(l),c;let h=!i(a[0].getPoints());h=e?!h:h;const u=[],d=[];let p,m,f=[],g=0;d[g]=void 0,f[g]=[];for(let t=0,r=a.length;t<r;t++)o=i(p=(s=a[t]).getPoints()),(o=e?!o:o)?(!h&&d[g]&&g++,d[g]={s:new Shape,p:p},d[g].s.curves=s.curves,h&&g++,f[g]=[]):f[g].push({h:s,p:p[0]});if(!d[0])return r(a);if(d.length>1){let e=!1;const t=[];for(let e=0,t=d.length;e<t;e++)u[e]=[];for(let r=0,i=d.length;r<i;r++){const i=f[r];for(let a=0;a<i.length;a++){const o=i[a];let s=!0;for(let i=0;i<d.length;i++)n(o.p,d[i].p)&&(r!==i&&t.push({froms:r,tos:i,hole:a}),s?(s=!1,u[i].push(o)):e=!0);s&&u[r].push(o)}}t.length>0&&(e||(f=u))}for(let e=0,t=d.length;e<t;e++){l=d[e].s,c.push(l);for(let t=0,r=(m=f[e]).length;t<r;t++)l.holes.push(m[t].h)}return c}}class Font{constructor(e){this.type="Font",this.data=e}generateShapes(e,t=100){const r=[],n=createPaths(e,t,this.data);for(let e=0,t=n.length;e<t;e++)Array.prototype.push.apply(r,n[e].toShapes());return r}}function createPaths(e,t,r){const n=Array.from(e),i=t/r.resolution,a=(r.boundingBox.yMax-r.boundingBox.yMin+r.underlineThickness)*i,o=[];let s=0,l=0;for(let e=0;e<n.length;e++){const t=n[e];if("\n"===t)s=0,l-=a;else{const e=createPath(t,i,s,l,r);s+=e.offsetX,o.push(e.path)}}return o}function createPath(e,t,r,n,i){const a=i.glyphs[e]||i.glyphs["?"];if(!a)return void console.error('THREE.Font: character "'+e+'" does not exists in font family '+i.familyName+".");const o=new ShapePath;let s,l,c,h,u,d,p,m;if(a.o){const e=a._cachedOutline||(a._cachedOutline=a.o.split(" "));for(let i=0,a=e.length;i<a;){switch(e[i++]){case"m":s=e[i++]*t+r,l=e[i++]*t+n,o.moveTo(s,l);break;case"l":s=e[i++]*t+r,l=e[i++]*t+n,o.lineTo(s,l);break;case"q":c=e[i++]*t+r,h=e[i++]*t+n,u=e[i++]*t+r,d=e[i++]*t+n,o.quadraticCurveTo(u,d,c,h);break;case"b":c=e[i++]*t+r,h=e[i++]*t+n,u=e[i++]*t+r,d=e[i++]*t+n,p=e[i++]*t+r,m=e[i++]*t+n,o.bezierCurveTo(u,d,p,m,c,h)}}}return{offsetX:a.ha*t,path:o}}Font.prototype.isFont=!0;class FontLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=new FileLoader(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(e){let r;try{r=JSON.parse(e)}catch(t){console.warn("THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead."),r=JSON.parse(e.substring(65,e.length-2))}const n=i.parse(r);t&&t(n)},r,n)}parse(e){return new Font(e)}}let _context;const AudioContext={getContext:function(){return void 0===_context&&(_context=new(window.AudioContext||window.webkitAudioContext)),_context},setContext:function(e){_context=e}};class AudioLoader extends Loader{constructor(e){super(e)}load(e,t,r,n){const i=this,a=new FileLoader(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(r){try{const a=r.slice(0);AudioContext.getContext().decodeAudioData(a,function(e){t(e)})}catch(t){n?n(t):console.error(t),i.manager.itemError(e)}},r,n)}}class HemisphereLightProbe extends LightProbe{constructor(e,t,r=1){super(void 0,r);const n=(new Color).set(e),i=(new Color).set(t),a=new Vector3(n.r,n.g,n.b),o=new Vector3(i.r,i.g,i.b),s=Math.sqrt(Math.PI),l=s*Math.sqrt(.75);this.sh.coefficients[0].copy(a).add(o).multiplyScalar(s),this.sh.coefficients[1].copy(a).sub(o).multiplyScalar(l)}}HemisphereLightProbe.prototype.isHemisphereLightProbe=!0;class AmbientLightProbe extends LightProbe{constructor(e,t=1){super(void 0,t);const r=(new Color).set(e);this.sh.coefficients[0].set(r.r,r.g,r.b).multiplyScalar(2*Math.sqrt(Math.PI))}}AmbientLightProbe.prototype.isAmbientLightProbe=!0;const _eyeRight=new Matrix4,_eyeLeft=new Matrix4;class StereoCamera{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new PerspectiveCamera,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new PerspectiveCamera,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){const t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep;const r=e.projectionMatrix.clone(),n=t.eyeSep/2,i=n*t.near/t.focus,a=t.near*Math.tan(DEG2RAD*t.fov*.5)/t.zoom;let o,s;_eyeLeft.elements[12]=-n,_eyeRight.elements[12]=n,o=-a*t.aspect+i,s=a*t.aspect+i,r.elements[0]=2*t.near/(s-o),r.elements[8]=(s+o)/(s-o),this.cameraL.projectionMatrix.copy(r),o=-a*t.aspect-i,s=a*t.aspect-i,r.elements[0]=2*t.near/(s-o),r.elements[8]=(s+o)/(s-o),this.cameraR.projectionMatrix.copy(r)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(_eyeLeft),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(_eyeRight)}}class Clock{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const t=now();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}function now(){return("undefined"==typeof performance?Date:performance).now()}const _position$1=new Vector3,_quaternion$1=new Quaternion,_scale$1=new Vector3,_orientation$1=new Vector3;class AudioListener extends Object3D{constructor(){super(),this.type="AudioListener",this.context=AudioContext.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Clock}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);const t=this.context.listener,r=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(_position$1,_quaternion$1,_scale$1),_orientation$1.set(0,0,-1).applyQuaternion(_quaternion$1),t.positionX){const e=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(_position$1.x,e),t.positionY.linearRampToValueAtTime(_position$1.y,e),t.positionZ.linearRampToValueAtTime(_position$1.z,e),t.forwardX.linearRampToValueAtTime(_orientation$1.x,e),t.forwardY.linearRampToValueAtTime(_orientation$1.y,e),t.forwardZ.linearRampToValueAtTime(_orientation$1.z,e),t.upX.linearRampToValueAtTime(r.x,e),t.upY.linearRampToValueAtTime(r.y,e),t.upZ.linearRampToValueAtTime(r.z,e)}else t.setPosition(_position$1.x,_position$1.y,_position$1.z),t.setOrientation(_orientation$1.x,_orientation$1.y,_orientation$1.z,r.x,r.y,r.z)}}class Audio extends Object3D{constructor(e){super(),this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+e;const t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(e){return e||(e=[]),!0===this._connected?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){if(this.detune=e,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(!1!==this.hasPlaybackControl)return this.playbackRate=e,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(!1!==this.hasPlaybackControl)return this.loop=e,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}}const _position=new Vector3,_quaternion=new Quaternion,_scale=new Vector3,_orientation=new Vector3;class PositionalAudio extends Audio{constructor(e){super(e),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,r){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=r,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(_position,_quaternion,_scale),_orientation.set(0,0,1).applyQuaternion(_quaternion);const t=this.panner;if(t.positionX){const e=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(_position.x,e),t.positionY.linearRampToValueAtTime(_position.y,e),t.positionZ.linearRampToValueAtTime(_position.z,e),t.orientationX.linearRampToValueAtTime(_orientation.x,e),t.orientationY.linearRampToValueAtTime(_orientation.y,e),t.orientationZ.linearRampToValueAtTime(_orientation.z,e)}else t.setPosition(_position.x,_position.y,_position.z),t.setOrientation(_orientation.x,_orientation.y,_orientation.z)}}class AudioAnalyser{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0;const t=this.getFrequencyData();for(let r=0;r<t.length;r++)e+=t[r];return e/t.length}}class PropertyMixer{constructor(e,t,r){let n,i,a;switch(this.binding=e,this.valueSize=r,t){case"quaternion":n=this._slerp,i=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*r),this._workIndex=5;break;case"string":case"bool":n=this._select,i=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(5*r);break;default:n=this._lerp,i=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*r)}this._mixBufferRegion=n,this._mixBufferRegionAdditive=i,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){const r=this.buffer,n=this.valueSize,i=e*n+n;let a=this.cumulativeWeight;if(0===a){for(let e=0;e!==n;++e)r[i+e]=r[e];a=t}else{const e=t/(a+=t);this._mixBufferRegion(r,i,0,e,n)}this.cumulativeWeight=a}accumulateAdditive(e){const t=this.buffer,r=this.valueSize,n=r*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(t,n,0,e,r),this.cumulativeWeightAdditive+=e}apply(e){const t=this.valueSize,r=this.buffer,n=e*t+t,i=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,i<1){const e=t*this._origIndex;this._mixBufferRegion(r,n,e,1-i,t)}a>0&&this._mixBufferRegionAdditive(r,n,this._addIndex*t,1,t);for(let e=t,i=t+t;e!==i;++e)if(r[e]!==r[e+t]){o.setValue(r,n);break}}saveOriginalState(){const e=this.binding,t=this.buffer,r=this.valueSize,n=r*this._origIndex;e.getValue(t,n);for(let e=r,i=n;e!==i;++e)t[e]=t[n+e%r];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const e=3*this.valueSize;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){const e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let r=e;r<t;r++)this.buffer[r]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let r=0;r<this.valueSize;r++)this.buffer[t+r]=this.buffer[e+r]}_select(e,t,r,n,i){if(n>=.5)for(let n=0;n!==i;++n)e[t+n]=e[r+n]}_slerp(e,t,r,n){Quaternion.slerpFlat(e,t,e,t,e,r,n)}_slerpAdditive(e,t,r,n,i){const a=this._workIndex*i;Quaternion.multiplyQuaternionsFlat(e,a,e,t,e,r),Quaternion.slerpFlat(e,t,e,t,e,a,n)}_lerp(e,t,r,n,i){const a=1-n;for(let o=0;o!==i;++o){const i=t+o;e[i]=e[i]*a+e[r+o]*n}}_lerpAdditive(e,t,r,n,i){for(let a=0;a!==i;++a){const i=t+a;e[i]=e[i]+e[r+a]*n}}}const _RESERVED_CHARS_RE="\\[\\]\\.:\\/",_reservedRe=new RegExp("[\\[\\]\\.:\\/]","g"),_wordChar="[^\\[\\]\\.:\\/]",_wordCharOrDot="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",_directoryRe=/((?:WC+[\/:])*)/.source.replace("WC",_wordChar),_nodeRe=/(WCOD+)?/.source.replace("WCOD",_wordCharOrDot),_objectRe=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",_wordChar),_propertyRe=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",_wordChar),_trackRe=new RegExp("^"+_directoryRe+_nodeRe+_objectRe+_propertyRe+"$"),_supportedObjectNames=["material","materials","bones"];class Composite{constructor(e,t,r){const n=r||PropertyBinding.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();const r=this._targetGroup.nCachedObjects_,n=this._bindings[r];void 0!==n&&n.getValue(e,t)}setValue(e,t){const r=this._bindings;for(let n=this._targetGroup.nCachedObjects_,i=r.length;n!==i;++n)r[n].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,r=e.length;t!==r;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,r=e.length;t!==r;++t)e[t].unbind()}}class PropertyBinding{constructor(e,t,r){this.path=t,this.parsedPath=r||PropertyBinding.parseTrackName(t),this.node=PropertyBinding.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,r){return e&&e.isAnimationObjectGroup?new PropertyBinding.Composite(e,t,r):new PropertyBinding(e,t,r)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(_reservedRe,"")}static parseTrackName(e){const t=_trackRe.exec(e);if(!t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const r={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=r.nodeName&&r.nodeName.lastIndexOf(".");if(void 0!==n&&-1!==n){const e=r.nodeName.substring(n+1);-1!==_supportedObjectNames.indexOf(e)&&(r.nodeName=r.nodeName.substring(0,n),r.objectName=e)}if(null===r.propertyName||0===r.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return r}static findNode(e,t){if(!t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){const r=e.skeleton.getBoneByName(t);if(void 0!==r)return r}if(e.children){const r=function(e){for(let n=0;n<e.length;n++){const i=e[n];if(i.name===t||i.uuid===t)return i;const a=r(i.children);if(a)return a}return null},n=r(e.children);if(n)return n}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.node[this.propertyName]}_getValue_array(e,t){const r=this.resolvedProperty;for(let n=0,i=r.length;n!==i;++n)e[t++]=r[n]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){const r=this.resolvedProperty;for(let n=0,i=r.length;n!==i;++n)r[n]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const r=this.resolvedProperty;for(let n=0,i=r.length;n!==i;++n)r[n]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){const r=this.resolvedProperty;for(let n=0,i=r.length;n!==i;++n)r[n]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node;const t=this.parsedPath,r=t.objectName,n=t.propertyName;let i=t.propertyIndex;if(e||(e=PropertyBinding.findNode(this.rootNode,t.nodeName)||this.rootNode,this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(r){let n=t.objectIndex;switch(r){case"materials":if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);e=e.material.materials;break;case"bones":if(!e.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===n){n=t;break}break;default:if(void 0===e[r])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);e=e[r]}if(void 0!==n){if(void 0===e[n])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);e=e[n]}}const a=e[n];if(void 0===a){const r=t.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+r+"."+n+" but it wasn't found.",e)}let o=this.Versioning.None;this.targetObject=e,void 0!==e.needsUpdate?o=this.Versioning.NeedsUpdate:void 0!==e.matrixWorldNeedsUpdate&&(o=this.Versioning.MatrixWorldNeedsUpdate);let s=this.BindingType.Direct;if(void 0!==i){if("morphTargetInfluences"===n){if(!e.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!e.geometry.isBufferGeometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);if(!e.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==e.morphTargetDictionary[i]&&(i=e.morphTargetDictionary[i])}s=this.BindingType.ArrayElement,this.resolvedProperty=a,this.propertyIndex=i}else void 0!==a.fromArray&&void 0!==a.toArray?(s=this.BindingType.HasFromToArray,this.resolvedProperty=a):Array.isArray(a)?(s=this.BindingType.EntireArray,this.resolvedProperty=a):this.propertyName=n;this.getValue=this.GetterByBindingType[s],this.setValue=this.SetterByBindingTypeAndVersioning[s][o]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}PropertyBinding.Composite=Composite,PropertyBinding.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},PropertyBinding.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},PropertyBinding.prototype.GetterByBindingType=[PropertyBinding.prototype._getValue_direct,PropertyBinding.prototype._getValue_array,PropertyBinding.prototype._getValue_arrayElement,PropertyBinding.prototype._getValue_toArray],PropertyBinding.prototype.SetterByBindingTypeAndVersioning=[[PropertyBinding.prototype._setValue_direct,PropertyBinding.prototype._setValue_direct_setNeedsUpdate,PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_array,PropertyBinding.prototype._setValue_array_setNeedsUpdate,PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_arrayElement,PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_fromArray,PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class AnimationObjectGroup{constructor(){this.uuid=generateUUID(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const e={};this._indicesByUUID=e;for(let t=0,r=arguments.length;t!==r;++t)e[arguments[t].uuid]=t;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const t=this;this.stats={objects:{get total(){return t._objects.length},get inUse(){return this.total-t.nCachedObjects_}},get bindingsPerObject(){return t._bindings.length}}}add(){const e=this._objects,t=this._indicesByUUID,r=this._paths,n=this._parsedPaths,i=this._bindings,a=i.length;let o=void 0,s=e.length,l=this.nCachedObjects_;for(let c=0,h=arguments.length;c!==h;++c){const h=arguments[c],u=h.uuid;let d=t[u];if(void 0===d){d=s++,t[u]=d,e.push(h);for(let e=0,t=a;e!==t;++e)i[e].push(new PropertyBinding(h,r[e],n[e]))}else if(d<l){o=e[d];const s=--l,c=e[s];t[c.uuid]=d,e[d]=c,t[u]=s,e[s]=h;for(let e=0,t=a;e!==t;++e){const t=i[e],a=t[s];let o=t[d];t[d]=a,void 0===o&&(o=new PropertyBinding(h,r[e],n[e])),t[s]=o}}else e[d]!==o&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=l}remove(){const e=this._objects,t=this._indicesByUUID,r=this._bindings,n=r.length;let i=this.nCachedObjects_;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a],s=o.uuid,l=t[s];if(void 0!==l&&l>=i){const a=i++,c=e[a];t[c.uuid]=l,e[l]=c,t[s]=a,e[a]=o;for(let e=0,t=n;e!==t;++e){const t=r[e],n=t[a],i=t[l];t[l]=n,t[a]=i}}}this.nCachedObjects_=i}uncache(){const e=this._objects,t=this._indicesByUUID,r=this._bindings,n=r.length;let i=this.nCachedObjects_,a=e.length;for(let o=0,s=arguments.length;o!==s;++o){const s=arguments[o].uuid,l=t[s];if(void 0!==l)if(delete t[s],l<i){const o=--i,s=e[o],c=--a,h=e[c];t[s.uuid]=l,e[l]=s,t[h.uuid]=o,e[o]=h,e.pop();for(let e=0,t=n;e!==t;++e){const t=r[e],n=t[o],i=t[c];t[l]=n,t[o]=i,t.pop()}}else{const i=--a,o=e[i];i>0&&(t[o.uuid]=l),e[l]=o,e.pop();for(let e=0,t=n;e!==t;++e){const t=r[e];t[l]=t[i],t.pop()}}}this.nCachedObjects_=i}subscribe_(e,t){const r=this._bindingsIndicesByPath;let n=r[e];const i=this._bindings;if(void 0!==n)return i[n];const a=this._paths,o=this._parsedPaths,s=this._objects,l=s.length,c=this.nCachedObjects_,h=new Array(l);n=i.length,r[e]=n,a.push(e),o.push(t),i.push(h);for(let r=c,n=s.length;r!==n;++r){const n=s[r];h[r]=new PropertyBinding(n,e,t)}return h}unsubscribe_(e){const t=this._bindingsIndicesByPath,r=t[e];if(void 0!==r){const n=this._paths,i=this._parsedPaths,a=this._bindings,o=a.length-1,s=a[o];t[e[o]]=r,a[r]=s,a.pop(),i[r]=i[o],i.pop(),n[r]=n[o],n.pop()}}}AnimationObjectGroup.prototype.isAnimationObjectGroup=!0;class AnimationAction{constructor(e,t,r=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=r,this.blendMode=n;const i=t.tracks,a=i.length,o=new Array(a),s={endingStart:ZeroCurvatureEnding,endingEnd:ZeroCurvatureEnding};for(let e=0;e!==a;++e){const t=i[e].createInterpolant(null);o[e]=t,t.settings=s}this._interpolantSettings=s,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=LoopRepeat,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,r){if(e.fadeOut(t),this.fadeIn(t),r){const r=this._clip.duration,n=e._clip.duration,i=n/r,a=r/n;e.warp(1,i,t),this.warp(a,1,t)}return this}crossFadeTo(e,t,r){return e.crossFadeFrom(this,t,r)}stopFading(){const e=this._weightInterpolant;return null!==e&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,r){const n=this._mixer,i=n.time,a=this.timeScale;let o=this._timeScaleInterpolant;null===o&&(o=n._lendControlInterpolant(),this._timeScaleInterpolant=o);const s=o.parameterPositions,l=o.sampleValues;return s[0]=i,s[1]=i+r,l[0]=e/a,l[1]=t/a,this}stopWarping(){const e=this._timeScaleInterpolant;return null!==e&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,r,n){if(!this.enabled)return void this._updateWeight(e);const i=this._startTime;if(null!==i){const n=(e-i)*r;if(n<0||0===r)return;this._startTime=null,t=r*n}t*=this._updateTimeScale(e);const a=this._updateTime(t),o=this._updateWeight(e);if(o>0){const e=this._interpolants,t=this._propertyBindings;switch(this.blendMode){case AdditiveAnimationBlendMode:for(let r=0,n=e.length;r!==n;++r)e[r].evaluate(a),t[r].accumulateAdditive(o);break;case NormalAnimationBlendMode:default:for(let r=0,i=e.length;r!==i;++r)e[r].evaluate(a),t[r].accumulate(n,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;const r=this._weightInterpolant;if(null!==r){const n=r.evaluate(e)[0];t*=n,e>r.parameterPositions[1]&&(this.stopFading(),0===n&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;const r=this._timeScaleInterpolant;if(null!==r){t*=r.evaluate(e)[0],e>r.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t)}}return this._effectiveTimeScale=t,t}_updateTime(e){const t=this._clip.duration,r=this.loop;let n=this.time+e,i=this._loopCount;const a=r===LoopPingPong;if(0===e)return-1===i?n:a&&1==(1&i)?t-n:n;if(r===LoopOnce){-1===i&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(n>=t)n=t;else{if(!(n<0)){this.time=n;break e}n=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===i&&(e>=0?(i=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),n>=t||n<0){const r=Math.floor(n/t);n-=t*r,i+=Math.abs(r);const o=this.repetitions-i;if(o<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=e>0?t:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===o){const t=e<0;this._setEndings(t,!t,a)}else this._setEndings(!1,!1,a);this._loopCount=i,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:r})}}else this.time=n;if(a&&1==(1&i))return t-n}return n}_setEndings(e,t,r){const n=this._interpolantSettings;r?(n.endingStart=ZeroSlopeEnding,n.endingEnd=ZeroSlopeEnding):(n.endingStart=e?this.zeroSlopeAtStart?ZeroSlopeEnding:ZeroCurvatureEnding:WrapAroundEnding,n.endingEnd=t?this.zeroSlopeAtEnd?ZeroSlopeEnding:ZeroCurvatureEnding:WrapAroundEnding)}_scheduleFading(e,t,r){const n=this._mixer,i=n.time;let a=this._weightInterpolant;null===a&&(a=n._lendControlInterpolant(),this._weightInterpolant=a);const o=a.parameterPositions,s=a.sampleValues;return o[0]=i,s[0]=t,o[1]=i+e,s[1]=r,this}}class AnimationMixer extends EventDispatcher{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){const r=e._localRoot||this._root,n=e._clip.tracks,i=n.length,a=e._propertyBindings,o=e._interpolants,s=r.uuid,l=this._bindingsByRootAndName;let c=l[s];void 0===c&&(c={},l[s]=c);for(let e=0;e!==i;++e){const i=n[e],l=i.name;let h=c[l];if(void 0!==h)a[e]=h;else{if(void 0!==(h=a[e])){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,s,l));continue}const n=t&&t._propertyBindings[e].binding.parsedPath;++(h=new PropertyMixer(PropertyBinding.create(r,l,n),i.ValueTypeName,i.getValueSize())).referenceCount,this._addInactiveBinding(h,s,l),a[e]=h}o[e].resultBuffer=h.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){const t=(e._localRoot||this._root).uuid,r=e._clip.uuid,n=this._actionsByClip[r];this._bindAction(e,n&&n.knownActions[0]),this._addInactiveAction(e,r,t)}const t=e._propertyBindings;for(let e=0,r=t.length;e!==r;++e){const r=t[e];0==r.useCount++&&(this._lendBinding(r),r.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){const t=e._propertyBindings;for(let e=0,r=t.length;e!==r;++e){const r=t[e];0==--r.useCount&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){const t=e._cacheIndex;return null!==t&&t<this._nActiveActions}_addInactiveAction(e,t,r){const n=this._actions,i=this._actionsByClip;let a=i[t];if(void 0===a)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,i[t]=a;else{const t=a.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=n.length,n.push(e),a.actionByRoot[r]=e}_removeInactiveAction(e){const t=this._actions,r=t[t.length-1],n=e._cacheIndex;r._cacheIndex=n,t[n]=r,t.pop(),e._cacheIndex=null;const i=e._clip.uuid,a=this._actionsByClip,o=a[i],s=o.knownActions,l=s[s.length-1],c=e._byClipCacheIndex;l._byClipCacheIndex=c,s[c]=l,s.pop(),e._byClipCacheIndex=null,delete o.actionByRoot[(e._localRoot||this._root).uuid],0===s.length&&delete a[i],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){const t=e._propertyBindings;for(let e=0,r=t.length;e!==r;++e){const r=t[e];0==--r.referenceCount&&this._removeInactiveBinding(r)}}_lendAction(e){const t=this._actions,r=e._cacheIndex,n=this._nActiveActions++,i=t[n];e._cacheIndex=n,t[n]=e,i._cacheIndex=r,t[r]=i}_takeBackAction(e){const t=this._actions,r=e._cacheIndex,n=--this._nActiveActions,i=t[n];e._cacheIndex=n,t[n]=e,i._cacheIndex=r,t[r]=i}_addInactiveBinding(e,t,r){const n=this._bindingsByRootAndName,i=this._bindings;let a=n[t];void 0===a&&(a={},n[t]=a),a[r]=e,e._cacheIndex=i.length,i.push(e)}_removeInactiveBinding(e){const t=this._bindings,r=e.binding,n=r.rootNode.uuid,i=r.path,a=this._bindingsByRootAndName,o=a[n],s=t[t.length-1],l=e._cacheIndex;s._cacheIndex=l,t[l]=s,t.pop(),delete o[i],0===Object.keys(o).length&&delete a[n]}_lendBinding(e){const t=this._bindings,r=e._cacheIndex,n=this._nActiveBindings++,i=t[n];e._cacheIndex=n,t[n]=e,i._cacheIndex=r,t[r]=i}_takeBackBinding(e){const t=this._bindings,r=e._cacheIndex,n=--this._nActiveBindings,i=t[n];e._cacheIndex=n,t[n]=e,i._cacheIndex=r,t[r]=i}_lendControlInterpolant(){const e=this._controlInterpolants,t=this._nActiveControlInterpolants++;let r=e[t];return void 0===r&&((r=new LinearInterpolant(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer)).__cacheIndex=t,e[t]=r),r}_takeBackControlInterpolant(e){const t=this._controlInterpolants,r=e.__cacheIndex,n=--this._nActiveControlInterpolants,i=t[n];e.__cacheIndex=n,t[n]=e,i.__cacheIndex=r,t[r]=i}clipAction(e,t,r){const n=t||this._root,i=n.uuid;let a="string"==typeof e?AnimationClip.findByName(n,e):e;const o=null!==a?a.uuid:e,s=this._actionsByClip[o];let l=null;if(void 0===r&&(r=null!==a?a.blendMode:NormalAnimationBlendMode),void 0!==s){const e=s.actionByRoot[i];if(void 0!==e&&e.blendMode===r)return e;l=s.knownActions[0],null===a&&(a=l._clip)}if(null===a)return null;const c=new AnimationAction(this,a,t,r);return this._bindAction(c,l),this._addInactiveAction(c,o,i),c}existingAction(e,t){const r=t||this._root,n=r.uuid,i="string"==typeof e?AnimationClip.findByName(r,e):e,a=i?i.uuid:e,o=this._actionsByClip[a];return void 0!==o&&o.actionByRoot[n]||null}stopAllAction(){const e=this._actions;for(let t=this._nActiveActions-1;t>=0;--t)e[t].stop();return this}update(e){e*=this.timeScale;const t=this._actions,r=this._nActiveActions,n=this.time+=e,i=Math.sign(e),a=this._accuIndex^=1;for(let o=0;o!==r;++o){t[o]._update(n,e,i,a)}const o=this._bindings,s=this._nActiveBindings;for(let e=0;e!==s;++e)o[e].apply(a);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){const t=this._actions,r=e.uuid,n=this._actionsByClip,i=n[r];if(void 0!==i){const e=i.knownActions;for(let r=0,n=e.length;r!==n;++r){const n=e[r];this._deactivateAction(n);const i=n._cacheIndex,a=t[t.length-1];n._cacheIndex=null,n._byClipCacheIndex=null,a._cacheIndex=i,t[i]=a,t.pop(),this._removeInactiveBindingsForAction(n)}delete n[r]}}uncacheRoot(e){const t=e.uuid,r=this._actionsByClip;for(const e in r){const n=r[e].actionByRoot[t];void 0!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}const n=this._bindingsByRootAndName[t];if(void 0!==n)for(const e in n){const t=n[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){const r=this.existingAction(e,t);null!==r&&(this._deactivateAction(r),this._removeInactiveAction(r))}}AnimationMixer.prototype._controlInterpolantsResultBuffer=new Float32Array(1);class Uniform{constructor(e){"string"==typeof e&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}clone(){return new Uniform(void 0===this.value.clone?this.value:this.value.clone())}}class InstancedInterleavedBuffer extends InterleavedBuffer{constructor(e,t,r=1){super(e,t),this.meshPerAttribute=r||1}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){const t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){const t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}}InstancedInterleavedBuffer.prototype.isInstancedInterleavedBuffer=!0;class GLBufferAttribute{constructor(e,t,r,n,i){this.buffer=e,this.type=t,this.itemSize=r,this.elementSize=n,this.count=i,this.version=0}set needsUpdate(e){!0===e&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}}GLBufferAttribute.prototype.isGLBufferAttribute=!0;class Raycaster{constructor(e,t,r=0,n=1/0){this.ray=new Ray(e,t),this.near=r,this.far=n,this.camera=null,this.layers=new Layers,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t&&t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t&&t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)}intersectObject(e,t=!1,r=[]){return intersectObject(e,this,r,t),r.sort(ascSort),r}intersectObjects(e,t=!1,r=[]){for(let n=0,i=e.length;n<i;n++)intersectObject(e[n],this,r,t);return r.sort(ascSort),r}}function ascSort(e,t){return e.distance-t.distance}function intersectObject(e,t,r,n){if(e.layers.test(t.layers)&&e.raycast(t,r),!0===n){const n=e.children;for(let e=0,i=n.length;e<i;e++)intersectObject(n[e],t,r,!0)}}class Spherical{constructor(e=1,t=0,r=0){return this.radius=e,this.phi=t,this.theta=r,this}set(e,t,r){return this.radius=e,this.phi=t,this.theta=r,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){return this.phi=Math.max(1e-6,Math.min(Math.PI-1e-6,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,r){return this.radius=Math.sqrt(e*e+t*t+r*r),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,r),this.phi=Math.acos(clamp(t/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class Cylindrical{constructor(e=1,t=0,r=0){return this.radius=e,this.theta=t,this.y=r,this}set(e,t,r){return this.radius=e,this.theta=t,this.y=r,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,r){return this.radius=Math.sqrt(e*e+r*r),this.theta=Math.atan2(e,r),this.y=t,this}clone(){return(new this.constructor).copy(this)}}const _vector$4=new Vector2;class Box2{constructor(e=new Vector2(1/0,1/0),t=new Vector2(-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,r=e.length;t<r;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const r=_vector$4.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(r),this.max.copy(e).add(r),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return void 0===e&&(console.warn("THREE.Box2: .getCenter() target is now required"),e=new Vector2),this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return void 0===e&&(console.warn("THREE.Box2: .getSize() target is now required"),e=new Vector2),this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return void 0===t&&(console.warn("THREE.Box2: .getParameter() target is now required"),t=new Vector2),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y)}clampPoint(e,t){return void 0===t&&(console.warn("THREE.Box2: .clampPoint() target is now required"),t=new Vector2),t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return _vector$4.copy(e).clamp(this.min,this.max).sub(e).length()}intersect(e){return this.min.max(e.min),this.max.min(e.max),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}Box2.prototype.isBox2=!0;const _startP=new Vector3,_startEnd=new Vector3;class Line3{constructor(e=new Vector3,t=new Vector3){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return void 0===e&&(console.warn("THREE.Line3: .getCenter() target is now required"),e=new Vector3),e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return void 0===e&&(console.warn("THREE.Line3: .delta() target is now required"),e=new Vector3),e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return void 0===t&&(console.warn("THREE.Line3: .at() target is now required"),t=new Vector3),this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){_startP.subVectors(e,this.start),_startEnd.subVectors(this.end,this.start);const r=_startEnd.dot(_startEnd);let n=_startEnd.dot(_startP)/r;return t&&(n=clamp(n,0,1)),n}closestPointToPoint(e,t,r){const n=this.closestPointToPointParameter(e,t);return void 0===r&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),r=new Vector3),this.delta(r).multiplyScalar(n).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}class ImmediateRenderObject extends Object3D{constructor(e){super(),this.material=e,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}}ImmediateRenderObject.prototype.isImmediateRenderObject=!0;const _vector$3=new Vector3;class SpotLightHelper extends Object3D{constructor(e,t){super(),this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t;const r=new BufferGeometry,n=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let e=0,t=1,r=32;e<r;e++,t++){const i=e/r*Math.PI*2,a=t/r*Math.PI*2;n.push(Math.cos(i),Math.sin(i),1,Math.cos(a),Math.sin(a),1)}r.setAttribute("position",new Float32BufferAttribute(n,3));const i=new LineBasicMaterial({fog:!1,toneMapped:!1});this.cone=new LineSegments(r,i),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateMatrixWorld();const e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),_vector$3.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(_vector$3),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const _vector$2=new Vector3,_boneMatrix=new Matrix4,_matrixWorldInv=new Matrix4;class SkeletonHelper extends LineSegments{constructor(e){const t=getBoneList(e),r=new BufferGeometry,n=[],i=[],a=new Color(0,0,1),o=new Color(0,1,0);for(let e=0;e<t.length;e++){const r=t[e];r.parent&&r.parent.isBone&&(n.push(0,0,0),n.push(0,0,0),i.push(a.r,a.g,a.b),i.push(o.r,o.g,o.b))}r.setAttribute("position",new Float32BufferAttribute(n,3)),r.setAttribute("color",new Float32BufferAttribute(i,3)),super(r,new LineBasicMaterial({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(e){const t=this.bones,r=this.geometry,n=r.getAttribute("position");_matrixWorldInv.copy(this.root.matrixWorld).invert();for(let e=0,r=0;e<t.length;e++){const i=t[e];i.parent&&i.parent.isBone&&(_boneMatrix.multiplyMatrices(_matrixWorldInv,i.matrixWorld),_vector$2.setFromMatrixPosition(_boneMatrix),n.setXYZ(r,_vector$2.x,_vector$2.y,_vector$2.z),_boneMatrix.multiplyMatrices(_matrixWorldInv,i.parent.matrixWorld),_vector$2.setFromMatrixPosition(_boneMatrix),n.setXYZ(r+1,_vector$2.x,_vector$2.y,_vector$2.z),r+=2)}r.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}}function getBoneList(e){const t=[];e&&e.isBone&&t.push(e);for(let r=0;r<e.children.length;r++)t.push.apply(t,getBoneList(e.children[r]));return t}class PointLightHelper extends Mesh{constructor(e,t,r){super(new SphereGeometry(t,4,2),new MeshBasicMaterial({wireframe:!0,fog:!1,toneMapped:!1})),this.light=e,this.light.updateMatrixWorld(),this.color=r,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const _vector$1=new Vector3,_color1=new Color,_color2=new Color;class HemisphereLightHelper extends Object3D{constructor(e,t,r){super(),this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=r;const n=new OctahedronGeometry(t);n.rotateY(.5*Math.PI),this.material=new MeshBasicMaterial({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const i=n.getAttribute("position"),a=new Float32Array(3*i.count);n.setAttribute("color",new BufferAttribute(a,3)),this.add(new Mesh(n,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const e=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const t=e.geometry.getAttribute("color");_color1.copy(this.light.color),_color2.copy(this.light.groundColor);for(let e=0,r=t.count;e<r;e++){const n=e<r/2?_color1:_color2;t.setXYZ(e,n.r,n.g,n.b)}t.needsUpdate=!0}e.lookAt(_vector$1.setFromMatrixPosition(this.light.matrixWorld).negate())}}class GridHelper extends LineSegments{constructor(e=10,t=10,r=4473924,n=8947848){r=new Color(r),n=new Color(n);const i=t/2,a=e/t,o=e/2,s=[],l=[];for(let e=0,c=0,h=-o;e<=t;e++,h+=a){s.push(-o,0,h,o,0,h),s.push(h,0,-o,h,0,o);const t=e===i?r:n;t.toArray(l,c),c+=3,t.toArray(l,c),c+=3,t.toArray(l,c),c+=3,t.toArray(l,c),c+=3}const c=new BufferGeometry;c.setAttribute("position",new Float32BufferAttribute(s,3)),c.setAttribute("color",new Float32BufferAttribute(l,3)),super(c,new LineBasicMaterial({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}class PolarGridHelper extends LineSegments{constructor(e=10,t=16,r=8,n=64,i=4473924,a=8947848){i=new Color(i),a=new Color(a);const o=[],s=[];for(let r=0;r<=t;r++){const n=r/t*(2*Math.PI),l=Math.sin(n)*e,c=Math.cos(n)*e;o.push(0,0,0),o.push(l,0,c);const h=1&r?i:a;s.push(h.r,h.g,h.b),s.push(h.r,h.g,h.b)}for(let t=0;t<=r;t++){const l=1&t?i:a,c=e-e/r*t;for(let e=0;e<n;e++){let t=e/n*(2*Math.PI),r=Math.sin(t)*c,i=Math.cos(t)*c;o.push(r,0,i),s.push(l.r,l.g,l.b),t=(e+1)/n*(2*Math.PI),r=Math.sin(t)*c,i=Math.cos(t)*c,o.push(r,0,i),s.push(l.r,l.g,l.b)}}const l=new BufferGeometry;l.setAttribute("position",new Float32BufferAttribute(o,3)),l.setAttribute("color",new Float32BufferAttribute(s,3)),super(l,new LineBasicMaterial({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}}const _v1=new Vector3,_v2=new Vector3,_v3=new Vector3;class DirectionalLightHelper extends Object3D{constructor(e,t,r){super(),this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=r,void 0===t&&(t=1);let n=new BufferGeometry;n.setAttribute("position",new Float32BufferAttribute([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));const i=new LineBasicMaterial({fog:!1,toneMapped:!1});this.lightPlane=new Line(n,i),this.add(this.lightPlane),(n=new BufferGeometry).setAttribute("position",new Float32BufferAttribute([0,0,0,0,0,1],3)),this.targetLine=new Line(n,i),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){_v1.setFromMatrixPosition(this.light.matrixWorld),_v2.setFromMatrixPosition(this.light.target.matrixWorld),_v3.subVectors(_v2,_v1),this.lightPlane.lookAt(_v2),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(_v2),this.targetLine.scale.z=_v3.length()}}const _vector=new Vector3,_camera=new Camera;class CameraHelper extends LineSegments{constructor(e){const t=new BufferGeometry,r=new LineBasicMaterial({color:16777215,vertexColors:!0,toneMapped:!1}),n=[],i=[],a={},o=new Color(16755200),s=new Color(16711680),l=new Color(43775),c=new Color(16777215),h=new Color(3355443);function u(e,t,r){d(e,r),d(t,r)}function d(e,t){n.push(0,0,0),i.push(t.r,t.g,t.b),void 0===a[e]&&(a[e]=[]),a[e].push(n.length/3-1)}u("n1","n2",o),u("n2","n4",o),u("n4","n3",o),u("n3","n1",o),u("f1","f2",o),u("f2","f4",o),u("f4","f3",o),u("f3","f1",o),u("n1","f1",o),u("n2","f2",o),u("n3","f3",o),u("n4","f4",o),u("p","n1",s),u("p","n2",s),u("p","n3",s),u("p","n4",s),u("u1","u2",l),u("u2","u3",l),u("u3","u1",l),u("c","t",c),u("p","c",h),u("cn1","cn2",h),u("cn3","cn4",h),u("cf1","cf2",h),u("cf3","cf4",h),t.setAttribute("position",new Float32BufferAttribute(n,3)),t.setAttribute("color",new Float32BufferAttribute(i,3)),super(t,r),this.type="CameraHelper",this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update()}update(){const e=this.geometry,t=this.pointMap;_camera.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),setPoint("c",t,e,_camera,0,0,-1),setPoint("t",t,e,_camera,0,0,1),setPoint("n1",t,e,_camera,-1,-1,-1),setPoint("n2",t,e,_camera,1,-1,-1),setPoint("n3",t,e,_camera,-1,1,-1),setPoint("n4",t,e,_camera,1,1,-1),setPoint("f1",t,e,_camera,-1,-1,1),setPoint("f2",t,e,_camera,1,-1,1),setPoint("f3",t,e,_camera,-1,1,1),setPoint("f4",t,e,_camera,1,1,1),setPoint("u1",t,e,_camera,.7,1.1,-1),setPoint("u2",t,e,_camera,-.7,1.1,-1),setPoint("u3",t,e,_camera,0,2,-1),setPoint("cf1",t,e,_camera,-1,0,1),setPoint("cf2",t,e,_camera,1,0,1),setPoint("cf3",t,e,_camera,0,-1,1),setPoint("cf4",t,e,_camera,0,1,1),setPoint("cn1",t,e,_camera,-1,0,-1),setPoint("cn2",t,e,_camera,1,0,-1),setPoint("cn3",t,e,_camera,0,-1,-1),setPoint("cn4",t,e,_camera,0,1,-1),e.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function setPoint(e,t,r,n,i,a,o){_vector.set(i,a,o).unproject(n);const s=t[e];if(void 0!==s){const e=r.getAttribute("position");for(let t=0,r=s.length;t<r;t++)e.setXYZ(s[t],_vector.x,_vector.y,_vector.z)}}const _box=new Box3;class BoxHelper extends LineSegments{constructor(e,t=16776960){const r=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new Float32Array(24),i=new BufferGeometry;i.setIndex(new BufferAttribute(r,1)),i.setAttribute("position",new BufferAttribute(n,3)),super(i,new LineBasicMaterial({color:t,toneMapped:!1})),this.object=e,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(e){if(void 0!==e&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&_box.setFromObject(this.object),_box.isEmpty())return;const t=_box.min,r=_box.max,n=this.geometry.attributes.position,i=n.array;i[0]=r.x,i[1]=r.y,i[2]=r.z,i[3]=t.x,i[4]=r.y,i[5]=r.z,i[6]=t.x,i[7]=t.y,i[8]=r.z,i[9]=r.x,i[10]=t.y,i[11]=r.z,i[12]=r.x,i[13]=r.y,i[14]=t.z,i[15]=t.x,i[16]=r.y,i[17]=t.z,i[18]=t.x,i[19]=t.y,i[20]=t.z,i[21]=r.x,i[22]=t.y,i[23]=t.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e){return LineSegments.prototype.copy.call(this,e),this.object=e.object,this}}class Box3Helper extends LineSegments{constructor(e,t=16776960){const r=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new BufferGeometry;n.setIndex(new BufferAttribute(r,1)),n.setAttribute("position",new Float32BufferAttribute([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(n,new LineBasicMaterial({color:t,toneMapped:!1})),this.box=e,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(e){const t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}}class PlaneHelper extends Line{constructor(e,t=1,r=16776960){const n=r,i=new BufferGeometry;i.setAttribute("position",new Float32BufferAttribute([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3)),i.computeBoundingSphere(),super(i,new LineBasicMaterial({color:n,toneMapped:!1})),this.type="PlaneHelper",this.plane=e,this.size=t;const a=new BufferGeometry;a.setAttribute("position",new Float32BufferAttribute([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3)),a.computeBoundingSphere(),this.add(new Mesh(a,new MeshBasicMaterial({color:n,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){let t=-this.plane.constant;Math.abs(t)<1e-8&&(t=1e-8),this.scale.set(.5*this.size,.5*this.size,t),this.children[0].material.side=t<0?BackSide:FrontSide,this.lookAt(this.plane.normal),super.updateMatrixWorld(e)}}const _axis=new Vector3;let _lineGeometry,_coneGeometry;class ArrowHelper extends Object3D{constructor(e=new Vector3(0,0,1),t=new Vector3(0,0,0),r=1,n=16776960,i=.2*r,a=.2*i){super(),this.type="ArrowHelper",void 0===_lineGeometry&&((_lineGeometry=new BufferGeometry).setAttribute("position",new Float32BufferAttribute([0,0,0,0,1,0],3)),(_coneGeometry=new CylinderGeometry(0,.5,1,5,1)).translate(0,-.5,0)),this.position.copy(t),this.line=new Line(_lineGeometry,new LineBasicMaterial({color:n,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Mesh(_coneGeometry,new MeshBasicMaterial({color:n,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(r,i,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{_axis.set(e.z,0,-e.x).normalize();const t=Math.acos(e.y);this.quaternion.setFromAxisAngle(_axis,t)}}setLength(e,t=.2*e,r=.2*t){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(r,t,r),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}}class AxesHelper extends LineSegments{constructor(e=1){const t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],r=new BufferGeometry;r.setAttribute("position",new Float32BufferAttribute(t,3)),r.setAttribute("color",new Float32BufferAttribute([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3)),super(r,new LineBasicMaterial({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const _floatView=new Float32Array(1),_int32View=new Int32Array(_floatView.buffer);class DataUtils{static toHalfFloat(e){_floatView[0]=e;const t=_int32View[0];let r=t>>16&32768,n=t>>12&2047;const i=t>>23&255;return i<103?r:i>142?(r|=31744,r|=(255==i?0:1)&&8388607&t):i<113?r|=((n|=2048)>>114-i)+(n>>113-i&1):(r|=i-112<<10|n>>1,r+=1&n)}}const LOD_MIN=4,LOD_MAX=8,SIZE_MAX=Math.pow(2,LOD_MAX),EXTRA_LOD_SIGMA=[.125,.215,.35,.446,.526,.582],TOTAL_LODS=LOD_MAX-LOD_MIN+1+EXTRA_LOD_SIGMA.length,MAX_SAMPLES=20,ENCODINGS={[LinearEncoding]:0,[sRGBEncoding]:1,[RGBEEncoding]:2,[RGBM7Encoding]:3,[RGBM16Encoding]:4,[RGBDEncoding]:5,[GammaEncoding]:6},backgroundMaterial=new MeshBasicMaterial({side:BackSide,depthWrite:!1,depthTest:!1}),backgroundBox=new Mesh(new BoxGeometry,backgroundMaterial),_flatCamera=new OrthographicCamera,{_lodPlanes:_lodPlanes,_sizeLods:_sizeLods,_sigmas:_sigmas}=_createPlanes(),_clearColor=new Color;let _oldTarget=null;const PHI=(1+Math.sqrt(5))/2,INV_PHI=1/PHI,_axisDirections=[new Vector3(1,1,1),new Vector3(-1,1,1),new Vector3(1,1,-1),new Vector3(-1,1,-1),new Vector3(0,PHI,INV_PHI),new Vector3(0,PHI,-INV_PHI),new Vector3(INV_PHI,0,PHI),new Vector3(-INV_PHI,0,PHI),new Vector3(PHI,INV_PHI,0),new Vector3(-PHI,INV_PHI,0)];function convertLinearToRGBE(e){const t=Math.max(e.r,e.g,e.b),r=Math.min(Math.max(Math.ceil(Math.log2(t)),-128),127);return e.multiplyScalar(Math.pow(2,-r)),(r+128)/255}class PMREMGenerator{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._blurMaterial=_getBlurShader(MAX_SAMPLES),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,r=.1,n=100){_oldTarget=this._renderer.getRenderTarget();const i=this._allocateTargets();return this._sceneToCubeUV(e,r,n,i),t>0&&this._blur(i,0,0,t),this._applyPMREM(i),this._cleanup(i),i}fromEquirectangular(e){return this._fromTexture(e)}fromCubemap(e){return this._fromTexture(e)}compileCubemapShader(){null===this._cubemapShader&&(this._cubemapShader=_getCubemapShader(),this._compileMaterial(this._cubemapShader))}compileEquirectangularShader(){null===this._equirectShader&&(this._equirectShader=_getEquirectShader(),this._compileMaterial(this._equirectShader))}dispose(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(let e=0;e<_lodPlanes.length;e++)_lodPlanes[e].dispose()}_cleanup(e){this._pingPongRenderTarget.dispose(),this._renderer.setRenderTarget(_oldTarget),e.scissorTest=!1,_setViewport(e,0,0,e.width,e.height)}_fromTexture(e){_oldTarget=this._renderer.getRenderTarget();const t=this._allocateTargets(e);return this._textureToCubeUV(e,t),this._applyPMREM(t),this._cleanup(t),t}_allocateTargets(e){const t={magFilter:NearestFilter,minFilter:NearestFilter,generateMipmaps:!1,type:UnsignedByteType,format:RGBEFormat,encoding:_isLDR(e)?e.encoding:RGBEEncoding,depthBuffer:!1},r=_createRenderTarget(t);return r.depthBuffer=!e,this._pingPongRenderTarget=_createRenderTarget(t),r}_compileMaterial(e){const t=new Mesh(_lodPlanes[0],e);this._renderer.compile(t,_flatCamera)}_sceneToCubeUV(e,t,r,n){const i=new PerspectiveCamera(90,1,t,r),a=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],s=this._renderer,l=s.autoClear,c=s.outputEncoding,h=s.toneMapping;s.getClearColor(_clearColor),s.toneMapping=NoToneMapping,s.outputEncoding=LinearEncoding,s.autoClear=!1;let u=!1;const d=e.background;if(d){if(d.isColor){backgroundMaterial.color.copy(d).convertSRGBToLinear(),e.background=null;const t=convertLinearToRGBE(backgroundMaterial.color);backgroundMaterial.opacity=t,u=!0}}else{backgroundMaterial.color.copy(_clearColor).convertSRGBToLinear();const e=convertLinearToRGBE(backgroundMaterial.color);backgroundMaterial.opacity=e,u=!0}for(let t=0;t<6;t++){const r=t%3;0==r?(i.up.set(0,a[t],0),i.lookAt(o[t],0,0)):1==r?(i.up.set(0,0,a[t]),i.lookAt(0,o[t],0)):(i.up.set(0,a[t],0),i.lookAt(0,0,o[t])),_setViewport(n,r*SIZE_MAX,t>2?SIZE_MAX:0,SIZE_MAX,SIZE_MAX),s.setRenderTarget(n),u&&s.render(backgroundBox,i),s.render(e,i)}s.toneMapping=h,s.outputEncoding=c,s.autoClear=l}_textureToCubeUV(e,t){const r=this._renderer;e.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=_getCubemapShader()):null==this._equirectShader&&(this._equirectShader=_getEquirectShader());const n=e.isCubeTexture?this._cubemapShader:this._equirectShader,i=new Mesh(_lodPlanes[0],n),a=n.uniforms;a.envMap.value=e,e.isCubeTexture||a.texelSize.value.set(1/e.image.width,1/e.image.height),a.inputEncoding.value=ENCODINGS[e.encoding],a.outputEncoding.value=ENCODINGS[t.texture.encoding],_setViewport(t,0,0,3*SIZE_MAX,2*SIZE_MAX),r.setRenderTarget(t),r.render(i,_flatCamera)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;for(let t=1;t<TOTAL_LODS;t++){const r=Math.sqrt(_sigmas[t]*_sigmas[t]-_sigmas[t-1]*_sigmas[t-1]),n=_axisDirections[(t-1)%_axisDirections.length];this._blur(e,t-1,t,r,n)}t.autoClear=r}_blur(e,t,r,n,i){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,r,n,"latitudinal",i),this._halfBlur(a,e,r,r,n,"longitudinal",i)}_halfBlur(e,t,r,n,i,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Mesh(_lodPlanes[n],l),h=l.uniforms,u=_sizeLods[r]-1,d=isFinite(i)?Math.PI/(2*u):2*Math.PI/(2*MAX_SAMPLES-1),p=i/d,m=isFinite(i)?1+Math.floor(3*p):MAX_SAMPLES;m>MAX_SAMPLES&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${m} samples when the maximum is set to ${MAX_SAMPLES}`);const f=[];let g=0;for(let e=0;e<MAX_SAMPLES;++e){const t=e/p,r=Math.exp(-t*t/2);f.push(r),0==e?g+=r:e<m&&(g+=2*r)}for(let e=0;e<f.length;e++)f[e]=f[e]/g;h.envMap.value=e.texture,h.samples.value=m,h.weights.value=f,h.latitudinal.value="latitudinal"===a,o&&(h.poleAxis.value=o),h.dTheta.value=d,h.mipInt.value=LOD_MAX-r,h.inputEncoding.value=ENCODINGS[e.texture.encoding],h.outputEncoding.value=ENCODINGS[e.texture.encoding];const v=_sizeLods[n];_setViewport(t,3*Math.max(0,SIZE_MAX-2*v),(0===n?0:2*SIZE_MAX)+2*v*(n>LOD_MAX-LOD_MIN?n-LOD_MAX+LOD_MIN:0),3*v,2*v),s.setRenderTarget(t),s.render(c,_flatCamera)}}function _isLDR(e){return void 0!==e&&e.type===UnsignedByteType&&(e.encoding===LinearEncoding||e.encoding===sRGBEncoding||e.encoding===GammaEncoding)}function _createPlanes(){const e=[],t=[],r=[];let n=LOD_MAX;for(let i=0;i<TOTAL_LODS;i++){const a=Math.pow(2,n);t.push(a);let o=1/a;i>LOD_MAX-LOD_MIN?o=EXTRA_LOD_SIGMA[i-LOD_MAX+LOD_MIN-1]:0==i&&(o=0),r.push(o);const s=1/(a-1),l=-s/2,c=1+s/2,h=[l,l,c,l,c,c,l,l,c,c,l,c],u=6,d=6,p=3,m=2,f=1,g=new Float32Array(p*d*u),v=new Float32Array(m*d*u),_=new Float32Array(f*d*u);for(let e=0;e<u;e++){const t=e%3*2/3-1,r=e>2?0:-1,n=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0];g.set(n,p*d*e),v.set(h,m*d*e);const i=[e,e,e,e,e,e];_.set(i,f*d*e)}const y=new BufferGeometry;y.setAttribute("position",new BufferAttribute(g,p)),y.setAttribute("uv",new BufferAttribute(v,m)),y.setAttribute("faceIndex",new BufferAttribute(_,f)),e.push(y),n>LOD_MIN&&n--}return{_lodPlanes:e,_sizeLods:t,_sigmas:r}}function _createRenderTarget(e){const t=new WebGLRenderTarget(3*SIZE_MAX,3*SIZE_MAX,e);return t.texture.mapping=CubeUVReflectionMapping,t.texture.name="PMREM.cubeUv",t.scissorTest=!0,t}function _setViewport(e,t,r,n,i){e.viewport.set(t,r,n,i),e.scissor.set(t,r,n,i)}function _getBlurShader(e){const t=new Float32Array(e),r=new Vector3(0,1,0);return new RawShaderMaterial({name:"SphericalGaussianBlur",defines:{n:e},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:t},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r},inputEncoding:{value:ENCODINGS[LinearEncoding]},outputEncoding:{value:ENCODINGS[LinearEncoding]}},vertexShader:_getCommonVertexShader(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${_getEncodings()}\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:NoBlending,depthTest:!1,depthWrite:!1})}function _getEquirectShader(){const e=new Vector2(1,1);return new RawShaderMaterial({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:e},inputEncoding:{value:ENCODINGS[LinearEncoding]},outputEncoding:{value:ENCODINGS[LinearEncoding]}},vertexShader:_getCommonVertexShader(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${_getEncodings()}\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:NoBlending,depthTest:!1,depthWrite:!1})}function _getCubemapShader(){return new RawShaderMaterial({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:ENCODINGS[LinearEncoding]},outputEncoding:{value:ENCODINGS[LinearEncoding]}},vertexShader:_getCommonVertexShader(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${_getEncodings()}\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:NoBlending,depthTest:!1,depthWrite:!1})}function _getCommonVertexShader(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function _getEncodings(){return"\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t"}const LineStrip=0,LinePieces=1,NoColors=0,FaceColors=1,VertexColors=2;function MeshFaceMaterial(e){return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),e}function MultiMaterial(e=[]){return console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),e.isMultiMaterial=!0,e.materials=e,e.clone=function(){return e.slice()},e}function PointCloud(e,t){return console.warn("THREE.PointCloud has been renamed to THREE.Points."),new Points(e,t)}function Particle(e){return console.warn("THREE.Particle has been renamed to THREE.Sprite."),new Sprite(e)}function ParticleSystem(e,t){return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),new Points(e,t)}function PointCloudMaterial(e){return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),new PointsMaterial(e)}function ParticleBasicMaterial(e){return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),new PointsMaterial(e)}function ParticleSystemMaterial(e){return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),new PointsMaterial(e)}function Vertex(e,t,r){return console.warn("THREE.Vertex has been removed. Use THREE.Vector3 instead."),new Vector3(e,t,r)}function DynamicBufferAttribute(e,t){return console.warn("THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead."),new BufferAttribute(e,t).setUsage(DynamicDrawUsage)}function Int8Attribute(e,t){return console.warn("THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead."),new Int8BufferAttribute(e,t)}function Uint8Attribute(e,t){return console.warn("THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead."),new Uint8BufferAttribute(e,t)}function Uint8ClampedAttribute(e,t){return console.warn("THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead."),new Uint8ClampedBufferAttribute(e,t)}function Int16Attribute(e,t){return console.warn("THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead."),new Int16BufferAttribute(e,t)}function Uint16Attribute(e,t){return console.warn("THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead."),new Uint16BufferAttribute(e,t)}function Int32Attribute(e,t){return console.warn("THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead."),new Int32BufferAttribute(e,t)}function Uint32Attribute(e,t){return console.warn("THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead."),new Uint32BufferAttribute(e,t)}function Float32Attribute(e,t){return console.warn("THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead."),new Float32BufferAttribute(e,t)}function Float64Attribute(e,t){return console.warn("THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead."),new Float64BufferAttribute(e,t)}function AxisHelper(e){return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),new AxesHelper(e)}function BoundingBoxHelper(e,t){return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),new BoxHelper(e,t)}function EdgesHelper(e,t){return console.warn("THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead."),new LineSegments(new EdgesGeometry(e.geometry),new LineBasicMaterial({color:void 0!==t?t:16777215}))}function WireframeHelper(e,t){return console.warn("THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead."),new LineSegments(new WireframeGeometry(e.geometry),new LineBasicMaterial({color:void 0!==t?t:16777215}))}function XHRLoader(e){return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),new FileLoader(e)}function BinaryTextureLoader(e){return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),new DataTextureLoader(e)}function WebGLRenderTargetCube(e,t,r){return console.warn("THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options )."),new WebGLCubeRenderTarget(e,r)}function CanvasRenderer(){console.error("THREE.CanvasRenderer has been removed")}function JSONLoader(){console.error("THREE.JSONLoader has been removed.")}Curve.create=function(e,t){return console.log("THREE.Curve.create() has been deprecated"),e.prototype=Object.create(Curve.prototype),e.prototype.constructor=e,e.prototype.getPoint=t,e},Path.prototype.fromPoints=function(e){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(e)},GridHelper.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},SkeletonHelper.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")},Loader.prototype.extractUrlBase=function(e){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),LoaderUtils.extractUrlBase(e)},Loader.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}},Box2.prototype.center=function(e){return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),this.getCenter(e)},Box2.prototype.empty=function(){return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Box2.prototype.isIntersectionBox=function(e){return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Box2.prototype.size=function(e){return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),this.getSize(e)},Box3.prototype.center=function(e){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(e)},Box3.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Box3.prototype.isIntersectionBox=function(e){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Box3.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},Box3.prototype.size=function(e){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(e)},Sphere.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()},Frustum.prototype.setFromMatrix=function(e){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(e)},Line3.prototype.center=function(e){return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),this.getCenter(e)},Matrix3.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},Matrix3.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},Matrix3.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},Matrix3.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),e.applyMatrix3(this)},Matrix3.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},Matrix3.prototype.getInverse=function(e){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},Matrix4.prototype.extractPosition=function(e){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(e)},Matrix4.prototype.flattenToArrayOffset=function(e,t){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(e,t)},Matrix4.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new Vector3).setFromMatrixColumn(this,3)},Matrix4.prototype.setRotationFromQuaternion=function(e){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(e)},Matrix4.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},Matrix4.prototype.multiplyVector3=function(e){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Matrix4.prototype.multiplyVector4=function(e){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Matrix4.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},Matrix4.prototype.rotateAxis=function(e){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),e.transformDirection(this)},Matrix4.prototype.crossVector=function(e){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Matrix4.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")},Matrix4.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},Matrix4.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},Matrix4.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},Matrix4.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},Matrix4.prototype.applyToBufferAttribute=function(e){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),e.applyMatrix4(this)},Matrix4.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},Matrix4.prototype.makeFrustum=function(e,t,r,n,i,a){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(e,t,n,r,i,a)},Matrix4.prototype.getInverse=function(e){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(e).invert()},Plane.prototype.isIntersectionLine=function(e){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(e)},Quaternion.prototype.multiplyVector3=function(e){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),e.applyQuaternion(this)},Quaternion.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()},Ray.prototype.isIntersectionBox=function(e){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(e)},Ray.prototype.isIntersectionPlane=function(e){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(e)},Ray.prototype.isIntersectionSphere=function(e){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(e)},Triangle.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},Triangle.prototype.barycoordFromPoint=function(e,t){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(e,t)},Triangle.prototype.midpoint=function(e){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(e)},Triangle.prototypenormal=function(e){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(e)},Triangle.prototype.plane=function(e){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(e)},Triangle.barycoordFromPoint=function(e,t,r,n,i){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),Triangle.getBarycoord(e,t,r,n,i)},Triangle.normal=function(e,t,r,n){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),Triangle.getNormal(e,t,r,n)},Shape.prototype.extractAllPoints=function(e){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(e)},Shape.prototype.extrude=function(e){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new ExtrudeGeometry(this,e)},Shape.prototype.makeGeometry=function(e){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new ShapeGeometry(this,e)},Vector2.prototype.fromAttribute=function(e,t,r){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,r)},Vector2.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},Vector2.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Vector3.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},Vector3.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},Vector3.prototype.getPositionFromMatrix=function(e){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(e)},Vector3.prototype.getScaleFromMatrix=function(e){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(e)},Vector3.prototype.getColumnFromMatrix=function(e,t){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(t,e)},Vector3.prototype.applyProjection=function(e){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(e)},Vector3.prototype.fromAttribute=function(e,t,r){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,r)},Vector3.prototype.distanceToManhattan=function(e){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(e)},Vector3.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Vector4.prototype.fromAttribute=function(e,t,r){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(e,t,r)},Vector4.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Object3D.prototype.getChildByName=function(e){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(e)},Object3D.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},Object3D.prototype.translate=function(e,t){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(t,e)},Object3D.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},Object3D.prototype.applyMatrix=function(e){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(Object3D.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(e){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=e}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}}),Mesh.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")},Object.defineProperties(Mesh.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),0},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}}),SkinnedMesh.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")},PerspectiveCamera.prototype.setLens=function(e,t){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==t&&(this.filmGauge=t),this.setFocalLength(e)},Object.defineProperties(Light.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(e){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=e}},shadowCameraLeft:{set:function(e){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=e}},shadowCameraRight:{set:function(e){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=e}},shadowCameraTop:{set:function(e){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=e}},shadowCameraBottom:{set:function(e){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=e}},shadowCameraNear:{set:function(e){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=e}},shadowCameraFar:{set:function(e){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=e}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(e){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=e}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(e){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=e}},shadowMapHeight:{set:function(e){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=e}}}),Object.defineProperties(BufferAttribute.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===DynamicDrawUsage},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(DynamicDrawUsage)}}}),BufferAttribute.prototype.setDynamic=function(e){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?DynamicDrawUsage:StaticDrawUsage),this},BufferAttribute.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},BufferAttribute.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},BufferGeometry.prototype.addIndex=function(e){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(e)},BufferGeometry.prototype.addAttribute=function(e,t){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),t&&t.isBufferAttribute||t&&t.isInterleavedBufferAttribute?"index"===e?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(t),this):this.setAttribute(e,t):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(e,new BufferAttribute(arguments[1],arguments[2])))},BufferGeometry.prototype.addDrawCall=function(e,t,r){void 0!==r&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(e,t)},BufferGeometry.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},BufferGeometry.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},BufferGeometry.prototype.removeAttribute=function(e){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(e)},BufferGeometry.prototype.applyMatrix=function(e){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(e)},Object.defineProperties(BufferGeometry.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}}),InterleavedBuffer.prototype.setDynamic=function(e){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===e?DynamicDrawUsage:StaticDrawUsage),this},InterleavedBuffer.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},ExtrudeGeometry.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},ExtrudeGeometry.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},ExtrudeGeometry.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")},Scene.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")},Uniform.prototype.onUpdate=function(){return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),this},Object.defineProperties(Material.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new Color}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===e}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(e){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=e}}}),Object.defineProperties(ShaderMaterial.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(e){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=e}}}),WebGLRenderer.prototype.clearTarget=function(e,t,r,n){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(e),this.clear(t,r,n)},WebGLRenderer.prototype.animate=function(e){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(e)},WebGLRenderer.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},WebGLRenderer.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},WebGLRenderer.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},WebGLRenderer.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},WebGLRenderer.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},WebGLRenderer.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},WebGLRenderer.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},WebGLRenderer.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},WebGLRenderer.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},WebGLRenderer.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},WebGLRenderer.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},WebGLRenderer.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},WebGLRenderer.prototype.enableScissorTest=function(e){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(e)},WebGLRenderer.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},WebGLRenderer.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},WebGLRenderer.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},WebGLRenderer.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},WebGLRenderer.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},WebGLRenderer.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},WebGLRenderer.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},WebGLRenderer.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},WebGLRenderer.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},WebGLRenderer.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()},Object.defineProperties(WebGLRenderer.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=e}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(e){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=e}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(e){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===e?sRGBEncoding:LinearEncoding}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}}}),Object.defineProperties(WebGLShadowMap.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}}),Object.defineProperties(WebGLRenderTarget.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=e}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(e){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=e}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=e}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(e){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=e}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(e){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=e}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(e){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=e}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(e){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=e}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(e){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=e}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(e){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=e}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(e){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=e}}}),Audio.prototype.load=function(e){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");const t=this;return(new AudioLoader).load(e,function(e){t.setBuffer(e)}),this},AudioAnalyser.prototype.getData=function(){return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),this.getFrequencyData()},CubeCamera.prototype.updateCubeMap=function(e,t){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(e,t)},CubeCamera.prototype.clear=function(e,t,r,n){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(e,t,r,n)},ImageUtils.crossOrigin=void 0,ImageUtils.loadTexture=function(e,t,r,n){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");const i=new TextureLoader;i.setCrossOrigin(this.crossOrigin);const a=i.load(e,r,void 0,n);return t&&(a.mapping=t),a},ImageUtils.loadTextureCube=function(e,t,r,n){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");const i=new CubeTextureLoader;i.setCrossOrigin(this.crossOrigin);const a=i.load(e,r,void 0,n);return t&&(a.mapping=t),a},ImageUtils.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")},ImageUtils.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")};const SceneUtils={createMultiMaterialObject:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")},detach:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")},attach:function(){console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")}};function LensFlare(){console.error("THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js")}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:"128"}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__="128");export{ACESFilmicToneMapping,AddEquation,AddOperation,AdditiveAnimationBlendMode,AdditiveBlending,AlphaFormat,AlwaysDepth,AlwaysStencilFunc,AmbientLight,AmbientLightProbe,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrayCamera,ArrowHelper,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,AxisHelper,BackSide,BasicDepthPacking,BasicShadowMap,BinaryTextureLoader,Bone,BooleanKeyframeTrack,BoundingBoxHelper,Box2,Box3,Box3Helper,BoxGeometry as BoxBufferGeometry,BoxGeometry,BoxHelper,BufferAttribute,BufferGeometry,BufferGeometryLoader,ByteType,Cache,Camera,CameraHelper,CanvasRenderer,CanvasTexture,CatmullRomCurve3,CineonToneMapping,CircleGeometry as CircleBufferGeometry,CircleGeometry,ClampToEdgeWrapping,Clock,Color,ColorKeyframeTrack,CompressedTexture,CompressedTextureLoader,ConeGeometry as ConeBufferGeometry,ConeGeometry,CubeCamera,CubeReflectionMapping,CubeRefractionMapping,CubeTexture,CubeTextureLoader,CubeUVReflectionMapping,CubeUVRefractionMapping,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceBack,CullFaceFront,CullFaceFrontBack,CullFaceNone,Curve,CurvePath,CustomBlending,CustomToneMapping,CylinderGeometry as CylinderBufferGeometry,CylinderGeometry,Cylindrical,DataTexture,DataTexture2DArray,DataTexture3D,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DepthFormat,DepthStencilFormat,DepthTexture,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry as DodecahedronBufferGeometry,DodecahedronGeometry,DoubleSide,DstAlphaFactor,DstColorFactor,DynamicBufferAttribute,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EdgesHelper,EllipseCurve,EqualDepth,EqualStencilFunc,EquirectangularReflectionMapping,EquirectangularRefractionMapping,Euler,EventDispatcher,ExtrudeGeometry as ExtrudeBufferGeometry,ExtrudeGeometry,FaceColors,FileLoader,FlatShading,Float16BufferAttribute,Float32Attribute,Float32BufferAttribute,Float64Attribute,Float64BufferAttribute,FloatType,Fog,FogExp2,Font,FontLoader,FrontSide,Frustum,GLBufferAttribute,GLSL1,GLSL3,GammaEncoding,GreaterDepth,GreaterEqualDepth,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HalfFloatType,HemisphereLight,HemisphereLightHelper,HemisphereLightProbe,IcosahedronGeometry as IcosahedronBufferGeometry,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,ImmediateRenderObject,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16Attribute,Int16BufferAttribute,Int32Attribute,Int32BufferAttribute,Int8Attribute,Int8BufferAttribute,IntType,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InvertStencilOp,JSONLoader,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry as LatheBufferGeometry,LatheGeometry,Layers,LensFlare,LessDepth,LessEqualDepth,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LinePieces,LineSegments,LineStrip,LinearEncoding,LinearFilter,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,LinearMipmapLinearFilter,LinearMipmapNearestFilter,LinearToneMapping,Loader,LoaderUtils,LoadingManager,LogLuvEncoding,LoopOnce,LoopPingPong,LoopRepeat,LuminanceAlphaFormat,LuminanceFormat,MOUSE,Material,MaterialLoader,MathUtils as Math,MathUtils,Matrix3,Matrix4,MaxEquation,Mesh,MeshBasicMaterial,MeshDepthMaterial,MeshDistanceMaterial,MeshFaceMaterial,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,MinEquation,MirroredRepeatWrapping,MixOperation,MultiMaterial,MultiplyBlending,MultiplyOperation,NearestFilter,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NearestMipmapLinearFilter,NearestMipmapNearestFilter,NeverDepth,NeverStencilFunc,NoBlending,NoColors,NoToneMapping,NormalAnimationBlendMode,NormalBlending,NotEqualDepth,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,ObjectSpaceNormalMap,OctahedronGeometry as OctahedronBufferGeometry,OctahedronGeometry,OneFactor,OneMinusDstAlphaFactor,OneMinusDstColorFactor,OneMinusSrcAlphaFactor,OneMinusSrcColorFactor,OrthographicCamera,PCFShadowMap,PCFSoftShadowMap,PMREMGenerator,ParametricGeometry as ParametricBufferGeometry,ParametricGeometry,Particle,ParticleBasicMaterial,ParticleSystem,ParticleSystemMaterial,Path,PerspectiveCamera,Plane,PlaneGeometry as PlaneBufferGeometry,PlaneGeometry,PlaneHelper,PointCloud,PointCloudMaterial,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry as PolyhedronBufferGeometry,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,REVISION,RGBADepthPacking,RGBAFormat,RGBAIntegerFormat,RGBA_ASTC_10x10_Format,RGBA_ASTC_10x5_Format,RGBA_ASTC_10x6_Format,RGBA_ASTC_10x8_Format,RGBA_ASTC_12x10_Format,RGBA_ASTC_12x12_Format,RGBA_ASTC_4x4_Format,RGBA_ASTC_5x4_Format,RGBA_ASTC_5x5_Format,RGBA_ASTC_6x5_Format,RGBA_ASTC_6x6_Format,RGBA_ASTC_8x5_Format,RGBA_ASTC_8x6_Format,RGBA_ASTC_8x8_Format,RGBA_BPTC_Format,RGBA_ETC2_EAC_Format,RGBA_PVRTC_2BPPV1_Format,RGBA_PVRTC_4BPPV1_Format,RGBA_S3TC_DXT1_Format,RGBA_S3TC_DXT3_Format,RGBA_S3TC_DXT5_Format,RGBDEncoding,RGBEEncoding,RGBEFormat,RGBFormat,RGBIntegerFormat,RGBM16Encoding,RGBM7Encoding,RGB_ETC1_Format,RGB_ETC2_Format,RGB_PVRTC_2BPPV1_Format,RGB_PVRTC_4BPPV1_Format,RGB_S3TC_DXT1_Format,RGFormat,RGIntegerFormat,RawShaderMaterial,Ray,Raycaster,RectAreaLight,RedFormat,RedIntegerFormat,ReinhardToneMapping,RepeatWrapping,ReplaceStencilOp,ReverseSubtractEquation,RingGeometry as RingBufferGeometry,RingGeometry,SRGB8_ALPHA8_ASTC_10x10_Format,SRGB8_ALPHA8_ASTC_10x5_Format,SRGB8_ALPHA8_ASTC_10x6_Format,SRGB8_ALPHA8_ASTC_10x8_Format,SRGB8_ALPHA8_ASTC_12x10_Format,SRGB8_ALPHA8_ASTC_12x12_Format,SRGB8_ALPHA8_ASTC_4x4_Format,SRGB8_ALPHA8_ASTC_5x4_Format,SRGB8_ALPHA8_ASTC_5x5_Format,SRGB8_ALPHA8_ASTC_6x5_Format,SRGB8_ALPHA8_ASTC_6x6_Format,SRGB8_ALPHA8_ASTC_8x5_Format,SRGB8_ALPHA8_ASTC_8x6_Format,SRGB8_ALPHA8_ASTC_8x8_Format,Scene,SceneUtils,ShaderChunk,ShaderLib,ShaderMaterial,ShadowMaterial,Shape,ShapeGeometry as ShapeBufferGeometry,ShapeGeometry,ShapePath,ShapeUtils,ShortType,Skeleton,SkeletonHelper,SkinnedMesh,SmoothShading,Sphere,SphereGeometry as SphereBufferGeometry,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,SrcAlphaFactor,SrcAlphaSaturateFactor,SrcColorFactor,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,SubtractEquation,SubtractiveBlending,TOUCH,TangentSpaceNormalMap,TetrahedronGeometry as TetrahedronBufferGeometry,TetrahedronGeometry,TextGeometry as TextBufferGeometry,TextGeometry,Texture,TextureLoader,TorusGeometry as TorusBufferGeometry,TorusGeometry,TorusKnotGeometry as TorusKnotBufferGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry as TubeBufferGeometry,TubeGeometry,UVMapping,Uint16Attribute,Uint16BufferAttribute,Uint32Attribute,Uint32BufferAttribute,Uint8Attribute,Uint8BufferAttribute,Uint8ClampedAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsLib,UniformsUtils,UnsignedByteType,UnsignedInt248Type,UnsignedIntType,UnsignedShort4444Type,UnsignedShort5551Type,UnsignedShort565Type,UnsignedShortType,VSMShadowMap,Vector2,Vector3,Vector4,VectorKeyframeTrack,Vertex,VertexColors,VideoTexture,WebGL1Renderer,WebGLCubeRenderTarget,WebGLMultisampleRenderTarget,WebGLRenderTarget,WebGLRenderTargetCube,WebGLRenderer,WebGLUtils,WireframeGeometry,WireframeHelper,WrapAroundEnding,XHRLoader,ZeroCurvatureEnding,ZeroFactor,ZeroSlopeEnding,ZeroStencilOp,sRGBEncoding};