q-cwjcrhry.js

1/** 2 * @license 3 * Copyright 2010-2023 Three.js Authors 4 * SPDX-License-Identifier: MIT 5 */const 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fv={DEG2RAD:ci,RAD2DEG:Qi,generateUUID:He,clamp:he,euclideanModulo:go,mapLinear:pd,inverseLerp:md,lerp:vs,damp:gd,pingpong:_d,smoothstep:xd,smootherstep:vd,randInt:yd,randFloat:Md,randFloatSpread:Sd,seededRandom:bd,degToRad:Ed,radToDeg:Ad,isPowerOfTwo:io,ceilPowerOfTwo:Td,floorPowerOfTwo:Vr,setQuaternionFromProperEuler:wd,normalize:Ft,denormalize:Ie};class ${constructor(t=0,e=0){$.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return 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Math.acos(he(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),s=this.x-t.x,a=this.y-t.y;return this.x=s*n-a*i+t.x,this.y=s*i+a*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class kt{constructor(t,e,n,i,s,a,o,l,c){kt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],t!==void 0&&this.set(t,e,n,i,s,a,o,l,c)}set(t,e,n,i,s,a,o,l,c){const h=this.elements;return h[0]=t,h[1]=i,h[2]=o,h[3]=e,h[4]=s,h[5]=l,h[6]=n,h[7]=a,h[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],h=n[4],u=n[7],d=n[2],f=n[5],m=n[8],x=i[0],g=i[3],p=i[6],v=i[1],_=i[4],M=i[7],C=i[2],E=i[5],A=i[8];return s[0]=a*x+o*v+l*C,s[3]=a*g+o*_+l*E,s[6]=a*p+o*M+l*A,s[1]=c*x+h*v+u*C,s[4]=c*g+h*_+u*E,s[7]=c*p+h*M+u*A,s[2]=d*x+f*v+m*C,s[5]=d*g+f*_+m*E,s[8]=d*p+f*M+m*A,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],s=t[3],a=t[4],o=t[5],l=t[6],c=t[7],h=t[8];return e*a*h-e*o*c-n*s*h+n*o*l+i*s*c-i*a*l}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],s=t[3],a=t[4],o=t[5],l=t[6],c=t[7],h=t[8],u=h*a-o*c,d=o*l-h*s,f=c*s-a*l,m=e*u+n*d+i*f;if(m===0)return this.set(0,0,0,0,0,0,0,0,0);const x=1/m;return t[0]=u*x,t[1]=(i*c-h*n)*x,t[2]=(o*n-i*a)*x,t[3]=d*x,t[4]=(h*e-i*l)*x,t[5]=(i*s-o*e)*x,t[6]=f*x,t[7]=(n*l-c*e)*x,t[8]=(a*e-n*s)*x,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,s,a,o){const l=Math.cos(s),c=Math.sin(s);return this.set(n*l,n*c,-n*(l*a+c*o)+a+t,-i*c,i*l,-i*(-c*a+l*o)+o+e,0,0,1),this}scale(t,e){return this.premultiply(pa.makeScale(t,e)),this}rotate(t){return this.premultiply(pa.makeRotation(-t)),this}translate(t,e){return this.premultiply(pa.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let i=0;i<9;i++)if(e[i]!==n[i])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return new this.constructor().fromArray(this.elements)}}const pa=new kt;function bh(r){for(let t=r.length-1;t>=0;--t)if(r[t]>=65535)return!0;return!1}const Rd={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function Hi(r,t){return new Rd[r](t)}function bs(r){return document.createElementNS("http://www.w3.org/1999/xhtml",r)}function Cd(){const r=bs("canvas");return r.style.display="block",r}const Ul={};function Eh(r){r in Ul||(Ul[r]=!0,console.warn(r))}const Dl=new kt().set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),Nl=new kt().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),Ns={[kn]:{transfer:Or,primaries:Fr,toReference:r=>r,fromReference:r=>r},[en]:{transfer:ie,primaries:Fr,toReference:r=>r.convertSRGBToLinear(),fromReference:r=>r.convertLinearToSRGB()},[Jr]:{transfer:Or,primaries:Br,toReference:r=>r.applyMatrix3(Nl),fromReference:r=>r.applyMatrix3(Dl)},[mo]:{transfer:ie,primaries:Br,toReference:r=>r.convertSRGBToLinear().applyMatrix3(Nl),fromReference:r=>r.applyMatrix3(Dl).convertLinearToSRGB()}},Pd=new Set([kn,Jr]),Qt={enabled:!0,_workingColorSpace:kn,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(r){if(!Pd.has(r))throw new Error(`Unsupported working color space, "${r}".`);this._workingColorSpace=r},convert:function(r,t,e){if(this.enabled===!1||t===e||!t||!e)return r;const n=Ns[t].toReference,i=Ns[e].fromReference;return i(n(r))},fromWorkingColorSpace:function(r,t){return this.convert(r,this._workingColorSpace,t)},toWorkingColorSpace:function(r,t){return this.convert(r,t,this._workingColorSpace)},getPrimaries:function(r){return Ns[r].primaries},getTransfer:function(r){return r===Ln?Or:Ns[r].transfer}};function Ji(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function ma(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}let vi;class Ah{static getDataURL(t){if(/^data:/i.test(t.src)||typeof HTMLCanvasElement>"u")return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{vi===void 0&&(vi=bs("canvas")),vi.width=t.width,vi.height=t.height;const n=vi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=vi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if(typeof HTMLImageElement<"u"&&t instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&t instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&t instanceof ImageBitmap){const e=bs("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),s=i.data;for(let a=0;a<s.length;a++)s[a]=Ji(s[a]/255)*255;return n.putImageData(i,0,0),e}else if(t.data){const e=t.data.slice(0);for(let n=0;n<e.length;n++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[n]=Math.floor(Ji(e[n]/255)*255):e[n]=Ji(e[n]);return{data:e,width:t.width,height:t.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Ld=0;class Wi{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ld++}),this.uuid=He(),this.data=t,this.dataReady=!0,this.version=0}set needsUpdate(t){t===!0&&this.version++}toJSON(t){const e=t===void 0||typeof t=="string";if(!e&&t.images[this.uuid]!==void 0)return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?s.push(ga(i[a].image)):s.push(ga(i[a]))}else s=ga(i);n.url=s}return e||(t.images[this.uuid]=n),n}}function ga(r){return typeof HTMLImageElement<"u"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&r instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&r instanceof ImageBitmap?Ah.getDataURL(r):r.data?{data:Array.from(r.data),width:r.width,height:r.height,type:r.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Id=0;class fe extends Vn{constructor(t=fe.DEFAULT_IMAGE,e=fe.DEFAULT_MAPPING,n=Le,i=Le,s=ce,a=vn,o=Ge,l=On,c=fe.DEFAULT_ANISOTROPY,h=Ln){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Id++}),this.uuid=He(),this.name="",this.source=new Wi(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new $(0,0),this.repeat=new $(1,1),this.center=new $(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new kt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=h,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t=null){this.source.data=t}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(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=t===void 0||typeof t=="string";if(!e&&t.textures[this.uuid]!==void 0)return t.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==uo)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case Lr:t.x=t.x-Math.floor(t.x);break;case Le:t.x=t.x<0?0:1;break;case Ir:Math.abs(Math.floor(t.x)%2)===1?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x);break}if(t.y<0||t.y>1)switch(this.wrapT){case Lr:t.y=t.y-Math.floor(t.y);break;case Le:t.y=t.y<0?0:1;break;case Ir:Math.abs(Math.floor(t.y)%2)===1?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y);break}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){t===!0&&(this.version++,this.source.needsUpdate=!0)}}fe.DEFAULT_IMAGE=null;fe.DEFAULT_MAPPING=uo;fe.DEFAULT_ANISOTROPY=1;class jt{constructor(t=0,e=0,n=0,i=1){jt.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=t.w!==void 0?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,s=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*e+a[7]*n+a[11]*i+a[15]*s,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,s;const l=t.elements,c=l[0],h=l[4],u=l[8],d=l[1],f=l[5],m=l[9],x=l[2],g=l[6],p=l[10];if(Math.abs(h-d)<.01&&Math.abs(u-x)<.01&&Math.abs(m-g)<.01){if(Math.abs(h+d)<.1&&Math.abs(u+x)<.1&&Math.abs(m+g)<.1&&Math.abs(c+f+p-3)<.1)return this.set(1,0,0,0),this;e=Math.PI;const _=(c+1)/2,M=(f+1)/2,C=(p+1)/2,E=(h+d)/4,A=(u+x)/4,L=(m+g)/4;return _>M&&_>C?_<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(_),i=E/n,s=A/n):M>C?M<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(M),n=E/i,s=L/i):C<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(C),n=A/s,i=L/s),this.set(n,i,s,e),this}let v=Math.sqrt((g-m)*(g-m)+(u-x)*(u-x)+(d-h)*(d-h));return Math.abs(v)<.001&&(v=1),this.x=(g-m)/v,this.y=(u-x)/v,this.z=(d-h)/v,this.w=Math.acos((c+f+p-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.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=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}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(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Ud extends Vn{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new jt(0,0,t,e),this.scissorTest=!1,this.viewport=new jt(0,0,t,e);const i={width:t,height:e,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:ce,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0,count:1},n);const s=new fe(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);s.flipY=!1,s.generateMipmaps=n.generateMipmaps,s.internalFormat=n.internalFormat,this.textures=[];const a=n.count;for(let o=0;o<a;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,s=this.textures.length;i<s;i++)this.textures[i].image.width=t,this.textures[i].image.height=e,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return new this.constructor().copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let n=0,i=t.textures.length;n<i;n++)this.textures[n]=t.textures[n].clone(),this.textures[n].isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new Wi(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,t.depthTexture!==null&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class rn extends Ud{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class _o extends fe{constructor(t=null,e=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ge,this.minFilter=ge,this.wrapR=Le,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class pv extends rn{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new _o(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class Th extends fe{constructor(t=null,e=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=ge,this.minFilter=ge,this.wrapR=Le,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class mv extends rn{constructor(t=1,e=1,n=1,i={}){super(t,e,i),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Th(null,t,e,n),this.texture.isRenderTargetTexture=!0}}class We{constructor(t=0,e=0,n=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=i}static slerpFlat(t,e,n,i,s,a,o){let l=n[i+0],c=n[i+1],h=n[i+2],u=n[i+3];const d=s[a+0],f=s[a+1],m=s[a+2],x=s[a+3];if(o===0){t[e+0]=l,t[e+1]=c,t[e+2]=h,t[e+3]=u;return}if(o===1){t[e+0]=d,t[e+1]=f,t[e+2]=m,t[e+3]=x;return}if(u!==x||l!==d||c!==f||h!==m){let g=1-o;const p=l*d+c*f+h*m+u*x,v=p>=0?1:-1,_=1-p*p;if(_>Number.EPSILON){const C=Math.sqrt(_),E=Math.atan2(C,p*v);g=Math.sin(g*E)/C,o=Math.sin(o*E)/C}const M=o*v;if(l=l*g+d*M,c=c*g+f*M,h=h*g+m*M,u=u*g+x*M,g===1-o){const C=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=C,c*=C,h*=C,u*=C}}t[e]=l,t[e+1]=c,t[e+2]=h,t[e+3]=u}static multiplyQuaternionsFlat(t,e,n,i,s,a){const o=n[i],l=n[i+1],c=n[i+2],h=n[i+3],u=s[a],d=s[a+1],f=s[a+2],m=s[a+3];return t[e]=o*m+h*u+l*f-c*d,t[e+1]=l*m+h*d+c*u-o*f,t[e+2]=c*m+h*f+o*d-l*u,t[e+3]=h*m-o*u-l*d-c*f,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,s=t._z,a=t._order,o=Math.cos,l=Math.sin,c=o(n/2),h=o(i/2),u=o(s/2),d=l(n/2),f=l(i/2),m=l(s/2);switch(a){case"XYZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"YXZ":this._x=d*h*u+c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"ZXY":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u-d*f*m;break;case"ZYX":this._x=d*h*u-c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u+d*f*m;break;case"YZX":this._x=d*h*u+c*f*m,this._y=c*f*u+d*h*m,this._z=c*h*m-d*f*u,this._w=c*h*u-d*f*m;break;case"XZY":this._x=d*h*u-c*f*m,this._y=c*f*u-d*h*m,this._z=c*h*m+d*f*u,this._w=c*h*u+d*f*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return e===!0&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],s=e[8],a=e[1],o=e[5],l=e[9],c=e[2],h=e[6],u=e[10],d=n+o+u;if(d>0){const f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(h-l)*f,this._y=(s-c)*f,this._z=(a-i)*f}else if(n>o&&n>u){const f=2*Math.sqrt(1+n-o-u);this._w=(h-l)/f,this._x=.25*f,this._y=(i+a)/f,this._z=(s+c)/f}else if(o>u){const f=2*Math.sqrt(1+o-n-u);this._w=(s-c)/f,this._x=(i+a)/f,this._y=.25*f,this._z=(l+h)/f}else{const f=2*Math.sqrt(1+u-n-o);this._w=(a-i)/f,this._x=(s+c)/f,this._y=(l+h)/f,this._z=.25*f}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(he(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(n===0)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return t===0?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,s=t._z,a=t._w,o=e._x,l=e._y,c=e._z,h=e._w;return this._x=n*h+a*o+i*c-s*l,this._y=i*h+a*l+s*o-n*c,this._z=s*h+a*c+n*l-i*o,this._w=a*h-n*o-i*l-s*c,this._onChangeCallback(),this}slerp(t,e){if(e===0)return this;if(e===1)return this.copy(t);const n=this._x,i=this._y,s=this._z,a=this._w;let o=a*t._w+n*t._x+i*t._y+s*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=i,this._z=s,this;const l=1-o*o;if(l<=Number.EPSILON){const f=1-e;return this._w=f*a+e*this._w,this._x=f*n+e*this._x,this._y=f*i+e*this._y,this._z=f*s+e*this._z,this.normalize(),this}const c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-e)*h)/c,d=Math.sin(e*h)/c;return this._w=a*u+this._w*d,this._x=n*u+this._x*d,this._y=i*u+this._y*d,this._z=s*u+this._z*d,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),s=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),s*Math.sin(e),s*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class T{constructor(t=0,e=0,n=0){T.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return n===void 0&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ol.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ol.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,s=t.elements;return this.x=s[0]*e+s[3]*n+s[6]*i,this.y=s[1]*e+s[4]*n+s[7]*i,this.z=s[2]*e+s[5]*n+s[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,s=t.elements,a=1/(s[3]*e+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*e+s[4]*n+s[8]*i+s[12])*a,this.y=(s[1]*e+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*e+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,s=t.x,a=t.y,o=t.z,l=t.w,c=2*(a*i-o*n),h=2*(o*e-s*i),u=2*(s*n-a*e);return this.x=e+l*c+a*u-o*h,this.y=n+l*h+o*c-s*u,this.z=i+l*u+s*h-a*c,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i,this.y=s[1]*e+s[5]*n+s[9]*i,this.z=s[2]*e+s[6]*n+s[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,s=t.z,a=e.x,o=e.y,l=e.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,this}projectOnVector(t){const e=t.lengthSq();if(e===0)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return _a.copy(this).projectOnVector(t),this.sub(_a)}reflect(t){return this.sub(_a.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(e===0)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(he(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,e*4)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,e*3)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=Math.random()*2-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const _a=new T,Ol=new We;class Fe{constructor(t=new T(1/0,1/0,1/0),e=new T(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e+=3)this.expandByPoint(Qe.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(Qe.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=Qe.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return new this.constructor().copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.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(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(n!==void 0){const s=n.getAttribute("position");if(e===!0&&s!==void 0&&t.isInstancedMesh!==!0)for(let a=0,o=s.count;a<o;a++)t.isMesh===!0?t.getVertexPosition(a,Qe):Qe.fromBufferAttribute(s,a),Qe.applyMatrix4(t.matrixWorld),this.expandByPoint(Qe);else t.boundingBox!==void 0?(t.boundingBox===null&&t.computeBoundingBox(),Os.copy(t.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),Os.copy(n.boundingBox)),Os.applyMatrix4(t.matrixWorld),this.union(Os)}const i=t.children;for(let s=0,a=i.length;s<a;s++)this.expandByObject(i[s],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,Qe),Qe.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(as),Fs.subVectors(this.max,as),yi.subVectors(t.a,as),Mi.subVectors(t.b,as),Si.subVectors(t.c,as),bn.subVectors(Mi,yi),En.subVectors(Si,Mi),Wn.subVectors(yi,Si);let e=[0,-bn.z,bn.y,0,-En.z,En.y,0,-Wn.z,Wn.y,bn.z,0,-bn.x,En.z,0,-En.x,Wn.z,0,-Wn.x,-bn.y,bn.x,0,-En.y,En.x,0,-Wn.y,Wn.x,0];return!xa(e,yi,Mi,Si,Fs)||(e=[1,0,0,0,1,0,0,0,1],!xa(e,yi,Mi,Si,Fs))?!1:(Bs.crossVectors(bn,En),e=[Bs.x,Bs.y,Bs.z],xa(e,yi,Mi,Si,Fs))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Qe).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=this.getSize(Qe).length()*.5),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()?this:(hn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),hn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),hn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),hn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),hn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),hn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),hn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),hn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(hn),this)}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const hn=[new T,new T,new T,new T,new T,new T,new T,new T],Qe=new T,Os=new Fe,yi=new T,Mi=new T,Si=new T,bn=new T,En=new T,Wn=new T,as=new T,Fs=new T,Bs=new T,Xn=new T;function xa(r,t,e,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){Xn.fromArray(r,s);const o=i.x*Math.abs(Xn.x)+i.y*Math.abs(Xn.y)+i.z*Math.abs(Xn.z),l=t.dot(Xn),c=e.dot(Xn),h=n.dot(Xn);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}const Dd=new Fe,os=new T,va=new T;class Ue{constructor(t=new T,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;e!==void 0?n.copy(e):Dd.setFromPoints(t).getCenter(n);let i=0;for(let s=0,a=t.length;s<a;s++)i=Math.max(i,n.distanceToSquared(t[s]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;os.subVectors(t,this.center);const e=os.lengthSq();if(e>this.radius*this.radius){const n=Math.sqrt(e),i=(n-this.radius)*.5;this.center.addScaledVector(os,i/n),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(this.center.equals(t.center)===!0?this.radius=Math.max(this.radius,t.radius):(va.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(os.copy(t.center).add(va)),this.expandByPoint(os.copy(t.center).sub(va))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return new this.constructor().copy(this)}}const un=new T,ya=new T,zs=new T,An=new T,Ma=new T,ks=new T,Sa=new T;class Cs{constructor(t=new T,e=new T(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,un)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=un.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(un.copy(this.origin).addScaledVector(this.direction,e),un.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){ya.copy(t).add(e).multiplyScalar(.5),zs.copy(e).sub(t).normalize(),An.copy(this.origin).sub(ya);const s=t.distanceTo(e)*.5,a=-this.direction.dot(zs),o=An.dot(this.direction),l=-An.dot(zs),c=An.lengthSq(),h=Math.abs(1-a*a);let u,d,f,m;if(h>0)if(u=a*l-o,d=a*o-l,m=s*h,u>=0)if(d>=-m)if(d<=m){const x=1/h;u*=x,d*=x,f=u*(u+a*d+2*o)+d*(a*u+d+2*l)+c}else d=s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d=-s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;else d<=-m?(u=Math.max(0,-(-a*s+o)),d=u>0?-s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c):d<=m?(u=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(u=Math.max(0,-(a*s+o)),d=u>0?s:Math.min(Math.max(-s,-l),s),f=-u*u+d*(d+2*l)+c);else d=a>0?-s:s,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*l)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,u),i&&i.copy(ya).addScaledVector(zs,d),f}intersectSphere(t,e){un.subVectors(t.center,this.origin);const n=un.dot(this.direction),i=un.dot(un)-n*n,s=t.radius*t.radius;if(i>s)return null;const a=Math.sqrt(s-i),o=n-a,l=n+a;return l<0?null:o<0?this.at(l,e):this.at(o,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(e===0)return t.distanceToPoint(this.origin)===0?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return n===null?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);return e===0||t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,s,a,o,l;const c=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(n=(t.min.x-d.x)*c,i=(t.max.x-d.x)*c):(n=(t.max.x-d.x)*c,i=(t.min.x-d.x)*c),h>=0?(s=(t.min.y-d.y)*h,a=(t.max.y-d.y)*h):(s=(t.max.y-d.y)*h,a=(t.min.y-d.y)*h),n>a||s>i||((s>n||isNaN(n))&&(n=s),(a<i||isNaN(i))&&(i=a),u>=0?(o=(t.min.z-d.z)*u,l=(t.max.z-d.z)*u):(o=(t.max.z-d.z)*u,l=(t.min.z-d.z)*u),n>l||o>i)||((o>n||n!==n)&&(n=o),(l<i||i!==i)&&(i=l),i<0)?null:this.at(n>=0?n:i,e)}intersectsBox(t){return this.intersectBox(t,un)!==null}intersectTriangle(t,e,n,i,s){Ma.subVectors(e,t),ks.subVectors(n,t),Sa.crossVectors(Ma,ks);let a=this.direction.dot(Sa),o;if(a>0){if(i)return null;o=1}else if(a<0)o=-1,a=-a;else return null;An.subVectors(this.origin,t);const l=o*this.direction.dot(ks.crossVectors(An,ks));if(l<0)return null;const c=o*this.direction.dot(Ma.cross(An));if(c<0||l+c>a)return null;const h=-o*An.dot(Sa);return h<0?null:this.at(h/a,s)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class Ct{constructor(t,e,n,i,s,a,o,l,c,h,u,d,f,m,x,g){Ct.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],t!==void 0&&this.set(t,e,n,i,s,a,o,l,c,h,u,d,f,m,x,g)}set(t,e,n,i,s,a,o,l,c,h,u,d,f,m,x,g){const p=this.elements;return p[0]=t,p[4]=e,p[8]=n,p[12]=i,p[1]=s,p[5]=a,p[9]=o,p[13]=l,p[2]=c,p[6]=h,p[10]=u,p[14]=d,p[3]=f,p[7]=m,p[11]=x,p[15]=g,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Ct().fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/bi.setFromMatrixColumn(t,0).length(),s=1/bi.setFromMatrixColumn(t,1).length(),a=1/bi.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*s,e[5]=n[5]*s,e[6]=n[6]*s,e[7]=0,e[8]=n[8]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,s=t.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(i),c=Math.sin(i),h=Math.cos(s),u=Math.sin(s);if(t.order==="XYZ"){const d=a*h,f=a*u,m=o*h,x=o*u;e[0]=l*h,e[4]=-l*u,e[8]=c,e[1]=f+m*c,e[5]=d-x*c,e[9]=-o*l,e[2]=x-d*c,e[6]=m+f*c,e[10]=a*l}else if(t.order==="YXZ"){const d=l*h,f=l*u,m=c*h,x=c*u;e[0]=d+x*o,e[4]=m*o-f,e[8]=a*c,e[1]=a*u,e[5]=a*h,e[9]=-o,e[2]=f*o-m,e[6]=x+d*o,e[10]=a*l}else if(t.order==="ZXY"){const d=l*h,f=l*u,m=c*h,x=c*u;e[0]=d-x*o,e[4]=-a*u,e[8]=m+f*o,e[1]=f+m*o,e[5]=a*h,e[9]=x-d*o,e[2]=-a*c,e[6]=o,e[10]=a*l}else if(t.order==="ZYX"){const d=a*h,f=a*u,m=o*h,x=o*u;e[0]=l*h,e[4]=m*c-f,e[8]=d*c+x,e[1]=l*u,e[5]=x*c+d,e[9]=f*c-m,e[2]=-c,e[6]=o*l,e[10]=a*l}else if(t.order==="YZX"){const d=a*l,f=a*c,m=o*l,x=o*c;e[0]=l*h,e[4]=x-d*u,e[8]=m*u+f,e[1]=u,e[5]=a*h,e[9]=-o*h,e[2]=-c*h,e[6]=f*u+m,e[10]=d-x*u}else if(t.order==="XZY"){const d=a*l,f=a*c,m=o*l,x=o*c;e[0]=l*h,e[4]=-u,e[8]=c*h,e[1]=d*u+x,e[5]=a*h,e[9]=f*u-m,e[2]=m*u-f,e[6]=o*h,e[10]=x*u+d}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(Nd,t,Od)}lookAt(t,e,n){const i=this.elements;return ke.subVectors(t,e),ke.lengthSq()===0&&(ke.z=1),ke.normalize(),Tn.crossVectors(n,ke),Tn.lengthSq()===0&&(Math.abs(n.z)===1?ke.x+=1e-4:ke.z+=1e-4,ke.normalize(),Tn.crossVectors(n,ke)),Tn.normalize(),Vs.crossVectors(ke,Tn),i[0]=Tn.x,i[4]=Vs.x,i[8]=ke.x,i[1]=Tn.y,i[5]=Vs.y,i[9]=ke.y,i[2]=Tn.z,i[6]=Vs.z,i[10]=ke.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],h=n[1],u=n[5],d=n[9],f=n[13],m=n[2],x=n[6],g=n[10],p=n[14],v=n[3],_=n[7],M=n[11],C=n[15],E=i[0],A=i[4],L=i[8],N=i[12],y=i[1],R=i[5],J=i[9],K=i[13],I=i[2],H=i[6],k=i[10],Z=i[14],X=i[3],q=i[7],it=i[11],nt=i[15];return s[0]=a*E+o*y+l*I+c*X,s[4]=a*A+o*R+l*H+c*q,s[8]=a*L+o*J+l*k+c*it,s[12]=a*N+o*K+l*Z+c*nt,s[1]=h*E+u*y+d*I+f*X,s[5]=h*A+u*R+d*H+f*q,s[9]=h*L+u*J+d*k+f*it,s[13]=h*N+u*K+d*Z+f*nt,s[2]=m*E+x*y+g*I+p*X,s[6]=m*A+x*R+g*H+p*q,s[10]=m*L+x*J+g*k+p*it,s[14]=m*N+x*K+g*Z+p*nt,s[3]=v*E+_*y+M*I+C*X,s[7]=v*A+_*R+M*H+C*q,s[11]=v*L+_*J+M*k+C*it,s[15]=v*N+_*K+M*Z+C*nt,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],s=t[12],a=t[1],o=t[5],l=t[9],c=t[13],h=t[2],u=t[6],d=t[10],f=t[14],m=t[3],x=t[7],g=t[11],p=t[15];return m*(+s*l*u-i*c*u-s*o*d+n*c*d+i*o*f-n*l*f)+x*(+e*l*f-e*c*d+s*a*d-i*a*f+i*c*h-s*l*h)+g*(+e*c*u-e*o*f-s*a*u+n*a*f+s*o*h-n*c*h)+p*(-i*o*h-e*l*u+e*o*d+i*a*u-n*a*d+n*l*h)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],s=t[3],a=t[4],o=t[5],l=t[6],c=t[7],h=t[8],u=t[9],d=t[10],f=t[11],m=t[12],x=t[13],g=t[14],p=t[15],v=u*g*c-x*d*c+x*l*f-o*g*f-u*l*p+o*d*p,_=m*d*c-h*g*c-m*l*f+a*g*f+h*l*p-a*d*p,M=h*x*c-m*u*c+m*o*f-a*x*f-h*o*p+a*u*p,C=m*u*l-h*x*l-m*o*d+a*x*d+h*o*g-a*u*g,E=e*v+n*_+i*M+s*C;if(E===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const A=1/E;return t[0]=v*A,t[1]=(x*d*s-u*g*s-x*i*f+n*g*f+u*i*p-n*d*p)*A,t[2]=(o*g*s-x*l*s+x*i*c-n*g*c-o*i*p+n*l*p)*A,t[3]=(u*l*s-o*d*s-u*i*c+n*d*c+o*i*f-n*l*f)*A,t[4]=_*A,t[5]=(h*g*s-m*d*s+m*i*f-e*g*f-h*i*p+e*d*p)*A,t[6]=(m*l*s-a*g*s-m*i*c+e*g*c+a*i*p-e*l*p)*A,t[7]=(a*d*s-h*l*s+h*i*c-e*d*c-a*i*f+e*l*f)*A,t[8]=M*A,t[9]=(m*u*s-h*x*s-m*n*f+e*x*f+h*n*p-e*u*p)*A,t[10]=(a*x*s-m*o*s+m*n*c-e*x*c-a*n*p+e*o*p)*A,t[11]=(h*o*s-a*u*s-h*n*c+e*u*c+a*n*f-e*o*f)*A,t[12]=C*A,t[13]=(h*x*i-m*u*i+m*n*d-e*x*d-h*n*g+e*u*g)*A,t[14]=(m*o*i-a*x*i-m*n*l+e*x*l+a*n*g-e*o*g)*A,t[15]=(a*u*i-h*o*i+h*n*l-e*u*l-a*n*d+e*o*d)*A,this}scale(t){const e=this.elements,n=t.x,i=t.y,s=t.z;return e[0]*=n,e[4]*=i,e[8]*=s,e[1]*=n,e[5]*=i,e[9]*=s,e[2]*=n,e[6]*=i,e[10]*=s,e[3]*=n,e[7]*=i,e[11]*=s,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),s=1-n,a=t.x,o=t.y,l=t.z,c=s*a,h=s*o;return this.set(c*a+n,c*o-i*l,c*l+i*o,0,c*o+i*l,h*o+n,h*l-i*a,0,c*l-i*o,h*l+i*a,s*l*l+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,s,a){return this.set(1,n,s,0,t,1,a,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,s=e._x,a=e._y,o=e._z,l=e._w,c=s+s,h=a+a,u=o+o,d=s*c,f=s*h,m=s*u,x=a*h,g=a*u,p=o*u,v=l*c,_=l*h,M=l*u,C=n.x,E=n.y,A=n.z;return i[0]=(1-(x+p))*C,i[1]=(f+M)*C,i[2]=(m-_)*C,i[3]=0,i[4]=(f-M)*E,i[5]=(1-(d+p))*E,i[6]=(g+v)*E,i[7]=0,i[8]=(m+_)*A,i[9]=(g-v)*A,i[10]=(1-(d+x))*A,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let s=bi.set(i[0],i[1],i[2]).length();const a=bi.set(i[4],i[5],i[6]).length(),o=bi.set(i[8],i[9],i[10]).length();this.determinant()<0&&(s=-s),t.x=i[12],t.y=i[13],t.z=i[14],je.copy(this);const c=1/s,h=1/a,u=1/o;return je.elements[0]*=c,je.elements[1]*=c,je.elements[2]*=c,je.elements[4]*=h,je.elements[5]*=h,je.elements[6]*=h,je.elements[8]*=u,je.elements[9]*=u,je.elements[10]*=u,e.setFromRotationMatrix(je),n.x=s,n.y=a,n.z=o,this}makePerspective(t,e,n,i,s,a,o=yn){const l=this.elements,c=2*s/(e-t),h=2*s/(n-i),u=(e+t)/(e-t),d=(n+i)/(n-i);let f,m;if(o===yn)f=-(a+s)/(a-s),m=-2*a*s/(a-s);else if(o===kr)f=-a/(a-s),m=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=u,l[12]=0,l[1]=0,l[5]=h,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=f,l[14]=m,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(t,e,n,i,s,a,o=yn){const l=this.elements,c=1/(e-t),h=1/(n-i),u=1/(a-s),d=(e+t)*c,f=(n+i)*h;let m,x;if(o===yn)m=(a+s)*u,x=-2*u;else if(o===kr)m=s*u,x=-1*u;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*h,l[9]=0,l[13]=-f,l[2]=0,l[6]=0,l[10]=x,l[14]=-m,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let i=0;i<16;i++)if(e[i]!==n[i])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const bi=new T,je=new Ct,Nd=new T(0,0,0),Od=new T(1,1,1),Tn=new T,Vs=new T,ke=new T,Fl=new Ct,Bl=new We;class Ke{constructor(t=0,e=0,n=0,i=Ke.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,s=i[0],a=i[4],o=i[8],l=i[1],c=i[5],h=i[9],u=i[2],d=i[6],f=i[10];switch(e){case"XYZ":this._y=Math.asin(he(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-he(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,s),this._z=0);break;case"ZXY":this._x=Math.asin(he(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-he(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(he(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-he(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-h,f),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,n===!0&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return Fl.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Fl,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return Bl.setFromEuler(this),this.setFromQuaternion(Bl,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],t[3]!==void 0&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Ke.DEFAULT_ORDER="XYZ";class xo{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return(this.mask&t.mask)!==0}isEnabled(t){return(this.mask&(1<<t|0))!==0}}let Fd=0;const zl=new T,Ei=new We,dn=new Ct,Gs=new T,ls=new T,Bd=new T,zd=new We,kl=new T(1,0,0),Vl=new T(0,1,0),Gl=new T(0,0,1),kd={type:"added"},Vd={type:"removed"},ba={type:"childadded",child:null},Ea={type:"childremoved",child:null};class Kt extends Vn{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:Fd++}),this.uuid=He(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Kt.DEFAULT_UP.clone();const t=new T,e=new Ke,n=new We,i=new T(1,1,1);function s(){n.setFromEuler(e,!1)}function a(){e.setFromQuaternion(n,void 0,!1)}e._onChange(s),n._onChange(a),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Ct},normalMatrix:{value:new kt}}),this.matrix=new Ct,this.matrixWorld=new Ct,this.matrixAutoUpdate=Kt.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Kt.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new xo,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return Ei.setFromAxisAngle(t,e),this.quaternion.multiply(Ei),this}rotateOnWorldAxis(t,e){return Ei.setFromAxisAngle(t,e),this.quaternion.premultiply(Ei),this}rotateX(t){return this.rotateOnAxis(kl,t)}rotateY(t){return this.rotateOnAxis(Vl,t)}rotateZ(t){return this.rotateOnAxis(Gl,t)}translateOnAxis(t,e){return zl.copy(t).applyQuaternion(this.quaternion),this.position.add(zl.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(kl,t)}translateY(t){return this.translateOnAxis(Vl,t)}translateZ(t){return this.translateOnAxis(Gl,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(dn.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Gs.copy(t):Gs.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),ls.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?dn.lookAt(ls,Gs,this.up):dn.lookAt(Gs,ls,this.up),this.quaternion.setFromRotationMatrix(dn),i&&(dn.extractRotation(i.matrixWorld),Ei.setFromRotationMatrix(dn),this.quaternion.premultiply(Ei.invert()))}add(t){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.parent!==null&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(kd),ba.child=t,this.dispatchEvent(ba),ba.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let n=0;n<arguments.length;n++)this.remove(arguments[n]);return this}const e=this.children.indexOf(t);return e!==-1&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(Vd),Ea.child=t,this.dispatchEvent(Ea),Ea.child=null),this}removeFromParent(){const t=this.parent;return t!==null&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),dn.copy(this.matrixWorld).invert(),t.parent!==null&&(t.parent.updateWorldMatrix(!0,!1),dn.multiply(t.parent.matrixWorld)),t.applyMatrix4(dn),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,i=this.children.length;n<i;n++){const a=this.children[n].getObjectByProperty(t,e);if(a!==void 0)return a}}getObjectsByProperty(t,e,n=[]){this[t]===e&&n.push(this);const i=this.children;for(let s=0,a=i.length;s<a;s++)i[s].getObjectsByProperty(t,e,n);return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(ls,t,Bd),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(ls,zd,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(this.visible===!1)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;e!==null&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,i=e.length;n<i;n++){const s=e[n];(s.matrixWorldAutoUpdate===!0||t===!0)&&s.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const n=this.parent;if(t===!0&&n!==null&&n.matrixWorldAutoUpdate===!0&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),e===!0){const i=this.children;for(let s=0,a=i.length;s<a;s++){const o=i[s];o.matrixWorldAutoUpdate===!0&&o.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=t===void 0||typeof t=="string",n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const i={};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.castShadow===!0&&(i.castShadow=!0),this.receiveShadow===!0&&(i.receiveShadow=!0),this.visible===!1&&(i.visible=!1),this.frustumCulled===!1&&(i.frustumCulled=!1),this.renderOrder!==0&&(i.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(i.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(i.type="BatchedMesh",i.perObjectFrustumCulled=this.perObjectFrustumCulled,i.sortObjects=this.sortObjects,i.drawRanges=this._drawRanges,i.reservedRanges=this._reservedRanges,i.visibility=this._visibility,i.active=this._active,i.bounds=this._bounds.map(o=>({boxInitialized:o.boxInitialized,boxMin:o.box.min.toArray(),boxMax:o.box.max.toArray(),sphereInitialized:o.sphereInitialized,sphereRadius:o.sphere.radius,sphereCenter:o.sphere.center.toArray()})),i.maxGeometryCount=this._maxGeometryCount,i.maxVertexCount=this._maxVertexCount,i.maxIndexCount=this._maxIndexCount,i.geometryInitialized=this._geometryInitialized,i.geometryCount=this._geometryCount,i.matricesTexture=this._matricesTexture.toJSON(t),this.boundingSphere!==null&&(i.boundingSphere={center:i.boundingSphere.center.toArray(),radius:i.boundingSphere.radius}),this.boundingBox!==null&&(i.boundingBox={min:i.boundingBox.min.toArray(),max:i.boundingBox.max.toArray()}));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(t)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=s(t.geometries,this.geometry);const o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){const l=o.shapes;if(Array.isArray(l))for(let c=0,h=l.length;c<h;c++){const u=l[c];s(t.shapes,u)}else s(t.shapes,l)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(s(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){const o=[];for(let l=0,c=this.material.length;l<c;l++)o.push(s(t.materials,this.material[l]));i.material=o}else i.material=s(t.materials,this.material);if(this.children.length>0){i.children=[];for(let o=0;o<this.children.length;o++)i.children.push(this.children[o].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let o=0;o<this.animations.length;o++){const l=this.animations[o];i.animations.push(s(t.animations,l))}}if(e){const o=a(t.geometries),l=a(t.materials),c=a(t.textures),h=a(t.images),u=a(t.shapes),d=a(t.skeletons),f=a(t.animations),m=a(t.nodes);o.length>0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),h.length>0&&(n.images=h),u.length>0&&(n.shapes=u),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f),m.length>0&&(n.nodes=m)}return n.object=i,n;function a(o){const l=[];for(const c in o){const h=o[c];delete h.metadata,l.push(h)}return l}}clone(t){return new this.constructor().copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),e===!0)for(let n=0;n<t.children.length;n++){const i=t.children[n];this.add(i.clone())}return this}}Kt.DEFAULT_UP=new T(0,1,0);Kt.DEFAULT_MATRIX_AUTO_UPDATE=!0;Kt.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const tn=new T,fn=new T,Aa=new T,pn=new T,Ai=new T,Ti=new T,Hl=new T,Ta=new T,wa=new T,Ra=new T;class $e{constructor(t=new T,e=new T,n=new T){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),tn.subVectors(t,e),i.cross(tn);const s=i.lengthSq();return s>0?i.multiplyScalar(1/Math.sqrt(s)):i.set(0,0,0)}static getBarycoord(t,e,n,i,s){tn.subVectors(i,e),fn.subVectors(n,e),Aa.subVectors(t,e);const a=tn.dot(tn),o=tn.dot(fn),l=tn.dot(Aa),c=fn.dot(fn),h=fn.dot(Aa),u=a*c-o*o;if(u===0)return s.set(0,0,0),null;const d=1/u,f=(c*l-o*h)*d,m=(a*h-o*l)*d;return s.set(1-f-m,m,f)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,pn)===null?!1:pn.x>=0&&pn.y>=0&&pn.x+pn.y<=1}static getInterpolation(t,e,n,i,s,a,o,l){return this.getBarycoord(t,e,n,i,pn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,pn.x),l.addScaledVector(a,pn.y),l.addScaledVector(o,pn.z),l)}static isFrontFacing(t,e,n,i){return tn.subVectors(n,e),fn.subVectors(t,e),tn.cross(fn).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return new this.constructor().copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return tn.subVectors(this.c,this.b),fn.subVectors(this.a,this.b),tn.cross(fn).length()*.5}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return $e.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return $e.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,i,s){return $e.getInterpolation(t,this.a,this.b,this.c,e,n,i,s)}containsPoint(t){return $e.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return $e.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,s=this.c;let a,o;Ai.subVectors(i,n),Ti.subVectors(s,n),Ta.subVectors(t,n);const l=Ai.dot(Ta),c=Ti.dot(Ta);if(l<=0&&c<=0)return e.copy(n);wa.subVectors(t,i);const h=Ai.dot(wa),u=Ti.dot(wa);if(h>=0&&u<=h)return e.copy(i);const d=l*u-h*c;if(d<=0&&l>=0&&h<=0)return a=l/(l-h),e.copy(n).addScaledVector(Ai,a);Ra.subVectors(t,s);const f=Ai.dot(Ra),m=Ti.dot(Ra);if(m>=0&&f<=m)return e.copy(s);const x=f*c-l*m;if(x<=0&&c>=0&&m<=0)return o=c/(c-m),e.copy(n).addScaledVector(Ti,o);const g=h*m-f*u;if(g<=0&&u-h>=0&&f-m>=0)return Hl.subVectors(s,i),o=(u-h)/(u-h+(f-m)),e.copy(i).addScaledVector(Hl,o);const p=1/(g+x+d);return a=x*p,o=d*p,e.copy(n).addScaledVector(Ai,a).addScaledVector(Ti,o)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const wh={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},wn={h:0,s:0,l:0},Hs={h:0,s:0,l:0};function Ca(r,t,e){return e<0&&(e+=1),e>1&&(e-=1),e<1/6?r+(t-r)*6*e:e<1/2?t:e<2/3?r+(t-r)*6*(2/3-e):r}class gt{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(e===void 0&&n===void 0){const i=t;i&&i.isColor?this.copy(i):typeof i=="number"?this.setHex(i):typeof i=="string"&&this.setStyle(i)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=en){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(t&255)/255,Qt.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=Qt.workingColorSpace){return this.r=t,this.g=e,this.b=n,Qt.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=Qt.workingColorSpace){if(t=go(t,1),e=he(e,0,1),n=he(n,0,1),e===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+e):n+e-n*e,a=2*n-s;this.r=Ca(a,s,t+1/3),this.g=Ca(a,s,t),this.b=Ca(a,s,t-1/3)}return Qt.toWorkingColorSpace(this,i),this}setStyle(t,e=en){function n(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let s;const a=i[1],o=i[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,e);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,e);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=i[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(a===6)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=en){const n=wh[t.toLowerCase()];return n!==void 0?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ji(t.r),this.g=Ji(t.g),this.b=Ji(t.b),this}copyLinearToSRGB(t){return this.r=ma(t.r),this.g=ma(t.g),this.b=ma(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=en){return Qt.fromWorkingColorSpace(Ae.copy(this),t),Math.round(he(Ae.r*255,0,255))*65536+Math.round(he(Ae.g*255,0,255))*256+Math.round(he(Ae.b*255,0,255))}getHexString(t=en){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Qt.workingColorSpace){Qt.fromWorkingColorSpace(Ae.copy(this),e);const n=Ae.r,i=Ae.g,s=Ae.b,a=Math.max(n,i,s),o=Math.min(n,i,s);let l,c;const h=(o+a)/2;if(o===a)l=0,c=0;else{const u=a-o;switch(c=h<=.5?u/(a+o):u/(2-a-o),a){case n:l=(i-s)/u+(i<s?6:0);break;case i:l=(s-n)/u+2;break;case s:l=(n-i)/u+4;break}l/=6}return t.h=l,t.s=c,t.l=h,t}getRGB(t,e=Qt.workingColorSpace){return Qt.fromWorkingColorSpace(Ae.copy(this),e),t.r=Ae.r,t.g=Ae.g,t.b=Ae.b,t}getStyle(t=en){Qt.fromWorkingColorSpace(Ae.copy(this),t);const e=Ae.r,n=Ae.g,i=Ae.b;return t!==en?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(e*255)},${Math.round(n*255)},${Math.round(i*255)})`}offsetHSL(t,e,n){return this.getHSL(wn),this.setHSL(wn.h+t,wn.s+e,wn.l+n)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(wn),t.getHSL(Hs);const n=vs(wn.h,Hs.h,e),i=vs(wn.s,Hs.s,e),s=vs(wn.l,Hs.l,e);return this.setHSL(n,i,s),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,n=this.g,i=this.b,s=t.elements;return this.r=s[0]*e+s[3]*n+s[6]*i,this.g=s[1]*e+s[4]*n+s[7]*i,this.b=s[2]*e+s[5]*n+s[8]*i,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Ae=new gt;gt.NAMES=wh;let Gd=0;class De extends Vn{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Gd++}),this.uuid=He(),this.name="",this.type="Material",this.blending=Zi,this.side=Fn,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=ja,this.blendDst=to,this.blendEquation=si,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new gt(0,0,0),this.blendAlpha=0,this.depthFunc=Rr,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=Pl,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=xi,this.stencilZFail=xi,this.stencilZPass=xi,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(t!==void 0)for(const e in t){const n=t[e];if(n===void 0){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const i=this[e];if(i===void 0){console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`);continue}i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n}}toJSON(t){const e=t===void 0||typeof t=="string";e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.iridescence!==void 0&&(n.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(n.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),this.anisotropy!==void 0&&(n.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapRotation!==void 0&&(n.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==Zi&&(n.blending=this.blending),this.side!==Fn&&(n.side=this.side),this.vertexColors===!0&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.transparent===!0&&(n.transparent=!0),this.blendSrc!==ja&&(n.blendSrc=this.blendSrc),this.blendDst!==to&&(n.blendDst=this.blendDst),this.blendEquation!==si&&(n.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(n.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(n.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==Rr&&(n.depthFunc=this.depthFunc),this.depthTest===!1&&(n.depthTest=this.depthTest),this.depthWrite===!1&&(n.depthWrite=this.depthWrite),this.colorWrite===!1&&(n.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==Pl&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==xi&&(n.stencilFail=this.stencilFail),this.stencilZFail!==xi&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==xi&&(n.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(n.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaHash===!0&&(n.alphaHash=!0),this.alphaToCoverage===!0&&(n.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=!0),this.forceSinglePass===!0&&(n.forceSinglePass=!0),this.wireframe===!0&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=!0),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),this.fog===!1&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData);function i(s){const a=[];for(const o in s){const l=s[o];delete l.metadata,a.push(l)}return a}if(e){const s=i(t.textures),a=i(t.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}return n}clone(){return new this.constructor().copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(e!==null){const i=e.length;n=new Array(i);for(let s=0;s!==i;++s)n[s]=e[s].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){t===!0&&this.version++}}class mi extends De{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new gt(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Ke,this.combine=Zr,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const xn=Hd();function Hd(){const r=new ArrayBuffer(4),t=new Float32Array(r),e=new Uint32Array(r),n=new Uint32Array(512),i=new Uint32Array(512);for(let l=0;l<256;++l){const c=l-127;c<-27?(n[l]=0,n[l|256]=32768,i[l]=24,i[l|256]=24):c<-14?(n[l]=1024>>-c-14,n[l|256]=1024>>-c-14|32768,i[l]=-c-1,i[l|256]=-c-1):c<=15?(n[l]=c+15<<10,n[l|256]=c+15<<10|32768,i[l]=13,i[l|256]=13):c<128?(n[l]=31744,n[l|256]=64512,i[l]=24,i[l|256]=24):(n[l]=31744,n[l|256]=64512,i[l]=13,i[l|256]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,h=0;for(;!(c&8388608);)c<<=1,h-=8388608;c&=-8388609,h+=947912704,s[l]=c|h}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:t,uint32View:e,baseTable:n,shiftTable:i,mantissaTable:s,exponentTable:a,offsetTable:o}}function Ne(r){Math.abs(r)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),r=he(r,-65504,65504),xn.floatView[0]=r;const t=xn.uint32View[0],e=t>>23&511;return xn.baseTable[e]+((t&8388607)>>xn.shiftTable[e])}function _s(r){const t=r>>10;return xn.uint32View[0]=xn.mantissaTable[xn.offsetTable[t]+(r&1023)]+xn.exponentTable[t],xn.floatView[0]}const gv={toHalfFloat:Ne,fromHalfFloat:_s},me=new T,Ws=new $;class te{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=t!==void 0?t.length/e:0,this.normalized=n,this.usage=zr,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=Je,this.version=0}onUploadCallback(){}set needsUpdate(t){t===!0&&this.version++}get updateRange(){return Eh("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,s=this.itemSize;i<s;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(this.itemSize===2)for(let e=0,n=this.count;e<n;e++)Ws.fromBufferAttribute(this,e),Ws.applyMatrix3(t),this.setXY(e,Ws.x,Ws.y);else if(this.itemSize===3)for(let e=0,n=this.count;e<n;e++)me.fromBufferAttribute(this,e),me.applyMatrix3(t),this.setXYZ(e,me.x,me.y,me.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)me.fromBufferAttribute(this,e),me.applyMatrix4(t),this.setXYZ(e,me.x,me.y,me.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)me.fromBufferAttribute(this,e),me.applyNormalMatrix(t),this.setXYZ(e,me.x,me.y,me.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)me.fromBufferAttribute(this,e),me.transformDirection(t),this.setXYZ(e,me.x,me.y,me.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let n=this.array[t*this.itemSize+e];return this.normalized&&(n=Ie(n,this.array)),n}setComponent(t,e,n){return this.normalized&&(n=Ft(n,this.array)),this.array[t*this.itemSize+e]=n,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=Ie(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=Ie(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=Ie(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=Ie(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array),i=Ft(i,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,s){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array),i=Ft(i,this.array),s=Ft(s,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=s,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==""&&(t.name=this.name),this.usage!==zr&&(t.usage=this.usage),t}}class _v extends te{constructor(t,e,n){super(new Int8Array(t),e,n)}}class xv extends te{constructor(t,e,n){super(new Uint8Array(t),e,n)}}class vv extends te{constructor(t,e,n){super(new Uint8ClampedArray(t),e,n)}}class yv extends te{constructor(t,e,n){super(new Int16Array(t),e,n)}}class Rh extends te{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class Mv extends te{constructor(t,e,n){super(new Int32Array(t),e,n)}}class Ch extends te{constructor(t,e,n){super(new Uint32Array(t),e,n)}}class Sv extends te{constructor(t,e,n){super(new Uint16Array(t),e,n),this.isFloat16BufferAttribute=!0}getX(t){let e=_s(this.array[t*this.itemSize]);return this.normalized&&(e=Ie(e,this.array)),e}setX(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize]=Ne(e),this}getY(t){let e=_s(this.array[t*this.itemSize+1]);return this.normalized&&(e=Ie(e,this.array)),e}setY(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+1]=Ne(e),this}getZ(t){let e=_s(this.array[t*this.itemSize+2]);return this.normalized&&(e=Ie(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+2]=Ne(e),this}getW(t){let e=_s(this.array[t*this.itemSize+3]);return this.normalized&&(e=Ie(e,this.array)),e}setW(t,e){return this.normalized&&(e=Ft(e,this.array)),this.array[t*this.itemSize+3]=Ne(e),this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array)),this.array[t+0]=Ne(e),this.array[t+1]=Ne(n),this}setXYZ(t,e,n,i){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array),i=Ft(i,this.array)),this.array[t+0]=Ne(e),this.array[t+1]=Ne(n),this.array[t+2]=Ne(i),this}setXYZW(t,e,n,i,s){return t*=this.itemSize,this.normalized&&(e=Ft(e,this.array),n=Ft(n,this.array),i=Ft(i,this.array),s=Ft(s,this.array)),this.array[t+0]=Ne(e),this.array[t+1]=Ne(n),this.array[t+2]=Ne(i),this.array[t+3]=Ne(s),this}}class Mt extends te{constructor(t,e,n){super(new Float32Array(t),e,n)}}let Wd=0;const Ze=new Ct,Pa=new Kt,wi=new T,Ve=new Fe,cs=new Fe,Me=new T;class Xt extends Vn{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Wd++}),this.uuid=He(),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(t){return Array.isArray(t)?this.index=new(bh(t)?Ch:Rh)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return this.attributes[t]!==void 0}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;e!==void 0&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(n!==void 0){const s=new kt().getNormalMatrix(t);n.applyNormalMatrix(s),n.needsUpdate=!0}const i=this.attributes.tangent;return i!==void 0&&(i.transformDirection(t),i.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(t){return Ze.makeRotationFromQuaternion(t),this.applyMatrix4(Ze),this}rotateX(t){return Ze.makeRotationX(t),this.applyMatrix4(Ze),this}rotateY(t){return Ze.makeRotationY(t),this.applyMatrix4(Ze),this}rotateZ(t){return Ze.makeRotationZ(t),this.applyMatrix4(Ze),this}translate(t,e,n){return Ze.makeTranslation(t,e,n),this.applyMatrix4(Ze),this}scale(t,e,n){return Ze.makeScale(t,e,n),this.applyMatrix4(Ze),this}lookAt(t){return Pa.lookAt(t),Pa.updateMatrix(),this.applyMatrix4(Pa.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(wi).negate(),this.translate(wi.x,wi.y,wi.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const s=t[n];e.push(s.x,s.y,s.z||0)}return this.setAttribute("position",new Mt(e,3)),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Fe);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new T(-1/0,-1/0,-1/0),new T(1/0,1/0,1/0));return}if(t!==void 0){if(this.boundingBox.setFromBufferAttribute(t),e)for(let n=0,i=e.length;n<i;n++){const s=e[n];Ve.setFromBufferAttribute(s),this.morphTargetsRelative?(Me.addVectors(this.boundingBox.min,Ve.min),this.boundingBox.expandByPoint(Me),Me.addVectors(this.boundingBox.max,Ve.max),this.boundingBox.expandByPoint(Me)):(this.boundingBox.expandByPoint(Ve.min),this.boundingBox.expandByPoint(Ve.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(){this.boundingSphere===null&&(this.boundingSphere=new Ue);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new T,1/0);return}if(t){const n=this.boundingSphere.center;if(Ve.setFromBufferAttribute(t),e)for(let s=0,a=e.length;s<a;s++){const o=e[s];cs.setFromBufferAttribute(o),this.morphTargetsRelative?(Me.addVectors(Ve.min,cs.min),Ve.expandByPoint(Me),Me.addVectors(Ve.max,cs.max),Ve.expandByPoint(Me)):(Ve.expandByPoint(cs.min),Ve.expandByPoint(cs.max))}Ve.getCenter(n);let i=0;for(let s=0,a=t.count;s<a;s++)Me.fromBufferAttribute(t,s),i=Math.max(i,n.distanceToSquared(Me));if(e)for(let s=0,a=e.length;s<a;s++){const o=e[s],l=this.morphTargetsRelative;for(let c=0,h=o.count;c<h;c++)Me.fromBufferAttribute(o,c),l&&(wi.fromBufferAttribute(t,c),Me.add(wi)),i=Math.max(i,n.distanceToSquared(Me))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(t===null||e.position===void 0||e.normal===void 0||e.uv===void 0){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}const n=e.position,i=e.normal,s=e.uv;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new te(new Float32Array(4*n.count),4));const a=this.getAttribute("tangent"),o=[],l=[];for(let L=0;L<n.count;L++)o[L]=new T,l[L]=new T;const c=new T,h=new T,u=new T,d=new $,f=new $,m=new $,x=new T,g=new T;function p(L,N,y){c.fromBufferAttribute(n,L),h.fromBufferAttribute(n,N),u.fromBufferAttribute(n,y),d.fromBufferAttribute(s,L),f.fromBufferAttribute(s,N),m.fromBufferAttribute(s,y),h.sub(c),u.sub(c),f.sub(d),m.sub(d);const R=1/(f.x*m.y-m.x*f.y);isFinite(R)&&(x.copy(h).multiplyScalar(m.y).addScaledVector(u,-f.y).multiplyScalar(R),g.copy(u).multiplyScalar(f.x).addScaledVector(h,-m.x).multiplyScalar(R),o[L].add(x),o[N].add(x),o[y].add(x),l[L].add(g),l[N].add(g),l[y].add(g))}let v=this.groups;v.length===0&&(v=[{start:0,count:t.count}]);for(let L=0,N=v.length;L<N;++L){const y=v[L],R=y.start,J=y.count;for(let K=R,I=R+J;K<I;K+=3)p(t.getX(K+0),t.getX(K+1),t.getX(K+2))}const _=new T,M=new T,C=new T,E=new T;function A(L){C.fromBufferAttribute(i,L),E.copy(C);const N=o[L];_.copy(N),_.sub(C.multiplyScalar(C.dot(N))).normalize(),M.crossVectors(E,N);const R=M.dot(l[L])<0?-1:1;a.setXYZW(L,_.x,_.y,_.z,R)}for(let L=0,N=v.length;L<N;++L){const y=v[L],R=y.start,J=y.count;for(let K=R,I=R+J;K<I;K+=3)A(t.getX(K+0)),A(t.getX(K+1)),A(t.getX(K+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(e!==void 0){let n=this.getAttribute("normal");if(n===void 0)n=new te(new Float32Array(e.count*3),3),this.setAttribute("normal",n);else for(let d=0,f=n.count;d<f;d++)n.setXYZ(d,0,0,0);const i=new T,s=new T,a=new T,o=new T,l=new T,c=new T,h=new T,u=new T;if(t)for(let d=0,f=t.count;d<f;d+=3){const m=t.getX(d+0),x=t.getX(d+1),g=t.getX(d+2);i.fromBufferAttribute(e,m),s.fromBufferAttribute(e,x),a.fromBufferAttribute(e,g),h.subVectors(a,s),u.subVectors(i,s),h.cross(u),o.fromBufferAttribute(n,m),l.fromBufferAttribute(n,x),c.fromBufferAttribute(n,g),o.add(h),l.add(h),c.add(h),n.setXYZ(m,o.x,o.y,o.z),n.setXYZ(x,l.x,l.y,l.z),n.setXYZ(g,c.x,c.y,c.z)}else for(let d=0,f=e.count;d<f;d+=3)i.fromBufferAttribute(e,d+0),s.fromBufferAttribute(e,d+1),a.fromBufferAttribute(e,d+2),h.subVectors(a,s),u.subVectors(i,s),h.cross(u),n.setXYZ(d+0,h.x,h.y,h.z),n.setXYZ(d+1,h.x,h.y,h.z),n.setXYZ(d+2,h.x,h.y,h.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)Me.fromBufferAttribute(t,e),Me.normalize(),t.setXYZ(e,Me.x,Me.y,Me.z)}toNonIndexed(){function t(o,l){const c=o.array,h=o.itemSize,u=o.normalized,d=new c.constructor(l.length*h);let f=0,m=0;for(let x=0,g=l.length;x<g;x++){o.isInterleavedBufferAttribute?f=l[x]*o.data.stride+o.offset:f=l[x]*h;for(let p=0;p<h;p++)d[m++]=c[f++]}return new te(d,h,u)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Xt,n=this.index.array,i=this.attributes;for(const o in i){const l=i[o],c=t(l,n);e.setAttribute(o,c)}const s=this.morphAttributes;for(const o in s){const l=[],c=s[o];for(let h=0,u=c.length;h<u;h++){const d=c[h],f=t(d,n);l.push(f)}e.morphAttributes[o]=l}e.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let o=0,l=a.length;o<l;o++){const c=a[o];e.addGroup(c.start,c.count,c.materialIndex)}return e}toJSON(){const t={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,this.name!==""&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),this.parameters!==void 0){const l=this.parameters;for(const c in l)l[c]!==void 0&&(t[c]=l[c]);return t}t.data={attributes:{}};const e=this.index;e!==null&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const l in n){const c=n[l];t.data.attributes[l]=c.toJSON(t.data)}const i={};let s=!1;for(const l in this.morphAttributes){const c=this.morphAttributes[l],h=[];for(let u=0,d=c.length;u<d;u++){const f=c[u];h.push(f.toJSON(t.data))}h.length>0&&(i[l]=h,s=!0)}s&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(t.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return o!==null&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t}clone(){return new this.constructor().copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;n!==null&&this.setIndex(n.clone(e));const i=t.attributes;for(const c in i){const h=i[c];this.setAttribute(c,h.clone(e))}const s=t.morphAttributes;for(const c in s){const h=[],u=s[c];for(let d=0,f=u.length;d<f;d++)h.push(u[d].clone(e));this.morphAttributes[c]=h}this.morphTargetsRelative=t.morphTargetsRelative;const a=t.groups;for(let c=0,h=a.length;c<h;c++){const u=a[c];this.addGroup(u.start,u.count,u.materialIndex)}const o=t.boundingBox;o!==null&&(this.boundingBox=o.clone());const l=t.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const Wl=new Ct,qn=new Cs,Xs=new Ue,Xl=new T,Ri=new T,Ci=new T,Pi=new T,La=new T,qs=new T,Ys=new $,Zs=new $,Js=new $,ql=new T,Yl=new T,Zl=new T,$s=new T,Ks=new T;class _e extends Kt{constructor(t=new Xt,e=new mi){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),t.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),t.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const e=this.geometry.morphAttributes,n=Object.keys(e);if(n.length>0){const i=e[n[0]];if(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=i.length;s<a;s++){const o=i[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=s}}}}getVertexPosition(t,e){const n=this.geometry,i=n.attributes.position,s=n.morphAttributes.position,a=n.morphTargetsRelative;e.fromBufferAttribute(i,t);const o=this.morphTargetInfluences;if(s&&o){qs.set(0,0,0);for(let l=0,c=s.length;l<c;l++){const h=o[l],u=s[l];h!==0&&(La.fromBufferAttribute(u,t),a?qs.addScaledVector(La,h):qs.addScaledVector(La.sub(e),h))}e.add(qs)}return e}raycast(t,e){const n=this.geometry,i=this.material,s=this.matrixWorld;i!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),Xs.copy(n.boundingSphere),Xs.applyMatrix4(s),qn.copy(t.ray).recast(t.near),!(Xs.containsPoint(qn.origin)===!1&&(qn.intersectSphere(Xs,Xl)===null||qn.origin.distanceToSquared(Xl)>(t.far-t.near)**2))&&(Wl.copy(s).invert(),qn.copy(t.ray).applyMatrix4(Wl),!(n.boundingBox!==null&&qn.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(t,e,qn)))}_computeIntersections(t,e,n){let i;const s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,h=s.attributes.uv1,u=s.attributes.normal,d=s.groups,f=s.drawRange;if(o!==null)if(Array.isArray(a))for(let m=0,x=d.length;m<x;m++){const g=d[m],p=a[g.materialIndex],v=Math.max(g.start,f.start),_=Math.min(o.count,Math.min(g.start+g.count,f.start+f.count));for(let M=v,C=_;M<C;M+=3){const E=o.getX(M),A=o.getX(M+1),L=o.getX(M+2);i=Qs(this,p,t,n,c,h,u,E,A,L),i&&(i.faceIndex=Math.floor(M/3),i.face.materialIndex=g.materialIndex,e.push(i))}}else{const m=Math.max(0,f.start),x=Math.min(o.count,f.start+f.count);for(let g=m,p=x;g<p;g+=3){const v=o.getX(g),_=o.getX(g+1),M=o.getX(g+2);i=Qs(this,a,t,n,c,h,u,v,_,M),i&&(i.faceIndex=Math.floor(g/3),e.push(i))}}else if(l!==void 0)if(Array.isArray(a))for(let m=0,x=d.length;m<x;m++){const g=d[m],p=a[g.materialIndex],v=Math.max(g.start,f.start),_=Math.min(l.count,Math.min(g.start+g.count,f.start+f.count));for(let M=v,C=_;M<C;M+=3){const E=M,A=M+1,L=M+2;i=Qs(this,p,t,n,c,h,u,E,A,L),i&&(i.faceIndex=Math.floor(M/3),i.face.materialIndex=g.materialIndex,e.push(i))}}else{const m=Math.max(0,f.start),x=Math.min(l.count,f.start+f.count);for(let g=m,p=x;g<p;g+=3){const v=g,_=g+1,M=g+2;i=Qs(this,a,t,n,c,h,u,v,_,M),i&&(i.faceIndex=Math.floor(g/3),e.push(i))}}}}function Xd(r,t,e,n,i,s,a,o){let l;if(t.side===Oe?l=n.intersectTriangle(a,s,i,!0,o):l=n.intersectTriangle(i,s,a,t.side===Fn,o),l===null)return null;Ks.copy(o),Ks.applyMatrix4(r.matrixWorld);const c=e.ray.origin.distanceTo(Ks);return c<e.near||c>e.far?null:{distance:c,point:Ks.clone(),object:r}}function Qs(r,t,e,n,i,s,a,o,l,c){r.getVertexPosition(o,Ri),r.getVertexPosition(l,Ci),r.getVertexPosition(c,Pi);const h=Xd(r,t,e,n,Ri,Ci,Pi,$s);if(h){i&&(Ys.fromBufferAttribute(i,o),Zs.fromBufferAttribute(i,l),Js.fromBufferAttribute(i,c),h.uv=$e.getInterpolation($s,Ri,Ci,Pi,Ys,Zs,Js,new $)),s&&(Ys.fromBufferAttribute(s,o),Zs.fromBufferAttribute(s,l),Js.fromBufferAttribute(s,c),h.uv1=$e.getInterpolation($s,Ri,Ci,Pi,Ys,Zs,Js,new $)),a&&(ql.fromBufferAttribute(a,o),Yl.fromBufferAttribute(a,l),Zl.fromBufferAttribute(a,c),h.normal=$e.getInterpolation($s,Ri,Ci,Pi,ql,Yl,Zl,new T),h.normal.dot(n.direction)>0&&h.normal.multiplyScalar(-1));const u={a:o,b:l,c,normal:new T,materialIndex:0};$e.getNormal(Ri,Ci,Pi,u.normal),h.face=u}return h}class es extends Xt{constructor(t=1,e=1,n=1,i=1,s=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:s,depthSegments:a};const o=this;i=Math.floor(i),s=Math.floor(s),a=Math.floor(a);const l=[],c=[],h=[],u=[];let d=0,f=0;m("z","y","x",-1,-1,n,e,t,a,s,0),m("z","y","x",1,-1,n,e,-t,a,s,1),m("x","z","y",1,1,t,n,e,i,a,2),m("x","z","y",1,-1,t,n,-e,i,a,3),m("x","y","z",1,-1,t,e,n,i,s,4),m("x","y","z",-1,-1,t,e,-n,i,s,5),this.setIndex(l),this.setAttribute("position",new Mt(c,3)),this.setAttribute("normal",new Mt(h,3)),this.setAttribute("uv",new Mt(u,2));function m(x,g,p,v,_,M,C,E,A,L,N){const y=M/A,R=C/L,J=M/2,K=C/2,I=E/2,H=A+1,k=L+1;let Z=0,X=0;const q=new T;for(let it=0;it<k;it++){const nt=it*R-K;for(let _t=0;_t<H;_t++){const Ut=_t*y-J;q[x]=Ut*v,q[g]=nt*_,q[p]=I,c.push(q.x,q.y,q.z),q[x]=0,q[g]=0,q[p]=E>0?1:-1,h.push(q.x,q.y,q.z),u.push(_t/A),u.push(1-it/L),Z+=1}}for(let it=0;it<L;it++)for(let nt=0;nt<A;nt++){const _t=d+nt+H*it,Ut=d+nt+H*(it+1),V=d+(nt+1)+H*(it+1),tt=d+(nt+1)+H*it;l.push(_t,Ut,tt),l.push(Ut,V,tt),X+=6}o.addGroup(f,X,N),f+=X,d+=Z}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new es(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function ji(r){const t={};for(const e in r){t[e]={};for(const n in r[e]){const i=r[e][n];i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)?i.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),t[e][n]=null):t[e][n]=i.clone():Array.isArray(i)?t[e][n]=i.slice():t[e][n]=i}}return t}function Pe(r){const t={};for(let e=0;e<r.length;e++){const n=ji(r[e]);for(const i in n)t[i]=n[i]}return t}function qd(r){const t=[];for(let e=0;e<r.length;e++)t.push(r[e].clone());return t}function Ph(r){return r.getRenderTarget()===null?r.outputColorSpace:Qt.workingColorSpace}const Yd={clone:ji,merge:Pe};var Zd=`void main() { 6 gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 ); 7}`,Jd=`void main() { 8 gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 ); 9}`;class an extends De{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=Zd,this.fragmentShader=Jd,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1,clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,t!==void 0&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=ji(t.uniforms),this.uniformsGroups=qd(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const a=this.uniforms[i].value;a&&a.isTexture?e.uniforms[i]={type:"t",value:a.toJSON(t).uuid}:a&&a.isColor?e.uniforms[i]={type:"c",value:a.getHex()}:a&&a.isVector2?e.uniforms[i]={type:"v2",value:a.toArray()}:a&&a.isVector3?e.uniforms[i]={type:"v3",value:a.toArray()}:a&&a.isVector4?e.uniforms[i]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?e.uniforms[i]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?e.uniforms[i]={type:"m4",value:a.toArray()}:e.uniforms[i]={value:a}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const i in this.extensions)this.extensions[i]===!0&&(n[i]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class vo extends Kt{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Ct,this.projectionMatrix=new Ct,this.projectionMatrixInverse=new Ct,this.coordinateSystem=yn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}const Rn=new T,Jl=new $,$l=new $;class we extends vo{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=t.view===null?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=Qi*2*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(ci*.5*this.fov);return .5*this.getFilmHeight()/t}getEffectiveFOV(){return Qi*2*Math.atan(Math.tan(ci*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Rn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Rn.x,Rn.y).multiplyScalar(-t/Rn.z),Rn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Rn.x,Rn.y).multiplyScalar(-t/Rn.z)}getViewSize(t,e){return this.getViewBounds(t,Jl,$l),e.subVectors($l,Jl)}setViewOffset(t,e,n,i,s,a){this.aspect=t/e,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(ci*.5*this.fov)/this.zoom,n=2*e,i=this.aspect*n,s=-.5*i;const a=this.view;if(this.view!==null&&this.view.enabled){const l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*i/l,e-=a.offsetY*n/c,i*=a.width/l,n*=a.height/c}const o=this.filmOffset;o!==0&&(s+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+i,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,this.view!==null&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const Li=-90,Ii=1;class $d extends Kt{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new we(Li,Ii,t,e);i.layers=this.layers,this.add(i);const s=new we(Li,Ii,t,e);s.layers=this.layers,this.add(s);const a=new we(Li,Ii,t,e);a.layers=this.layers,this.add(a);const o=new we(Li,Ii,t,e);o.layers=this.layers,this.add(o);const l=new we(Li,Ii,t,e);l.layers=this.layers,this.add(l);const c=new we(Li,Ii,t,e);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,s,a,o,l]=e;for(const c of e)this.remove(c);if(t===yn)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(t===kr)n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);for(const c of e)this.add(c),c.updateMatrixWorld()}update(t,e){this.parent===null&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[s,a,o,l,c,h]=this.children,u=t.getRenderTarget(),d=t.getActiveCubeFace(),f=t.getActiveMipmapLevel(),m=t.xr.enabled;t.xr.enabled=!1;const x=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,s),t.setRenderTarget(n,1,i),t.render(e,a),t.setRenderTarget(n,2,i),t.render(e,o),t.setRenderTarget(n,3,i),t.render(e,l),t.setRenderTarget(n,4,i),t.render(e,c),n.texture.generateMipmaps=x,t.setRenderTarget(n,5,i),t.render(e,h),t.setRenderTarget(u,d,f),t.xr.enabled=m,n.texture.needsPMREMUpdate=!0}}class $r extends fe{constructor(t,e,n,i,s,a,o,l,c,h){t=t!==void 0?t:[],e=e!==void 0?e:Bn,super(t,e,n,i,s,a,o,l,c,h),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class Kd extends rn{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new $r(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=e.generateMipmaps!==void 0?e.generateMipmaps:!1,this.texture.minFilter=e.minFilter!==void 0?e.minFilter:ce}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:` 10 11 varying vec3 vWorldDirection; 12 13 vec3 transformDirection( in vec3 dir, in mat4 matrix ) { 14 15 return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); 16 17 } 18 19 void main() { 20 21 vWorldDirection = transformDirection( position, modelMatrix ); 22 23 #include <begin_vertex> 24 #include <project_vertex> 25 26 } 27 `,fragmentShader:` 28 29 uniform sampler2D tEquirect; 30 31 varying vec3 vWorldDirection; 32 33 #include <common> 34 35 void main() { 36 37 vec3 direction = normalize( vWorldDirection ); 38 39 vec2 sampleUV = equirectUv( direction ); 40 41 gl_FragColor = texture2D( tEquirect, sampleUV ); 42 43 } 44 `},i=new es(5,5,5),s=new an({name:"CubemapFromEquirect",uniforms:ji(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Oe,blending:Dn});s.uniforms.tEquirect.value=e;const a=new _e(i,s),o=e.minFilter;return e.minFilter===vn&&(e.minFilter=ce),new $d(1,10,this).update(t,a),e.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(t,e,n,i){const s=t.getRenderTarget();for(let a=0;a<6;a++)t.setRenderTarget(this,a),t.clear(e,n,i);t.setRenderTarget(s)}}const Ia=new T,Qd=new T,jd=new kt;class ni{constructor(t=new T(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=Ia.subVectors(n,e).cross(Qd.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(Ia),i=this.normal.dot(n);if(i===0)return this.distanceToPoint(t.start)===0?e.copy(t.start):null;const s=-(t.start.dot(this.normal)+this.constant)/i;return s<0||s>1?null:e.copy(t.start).addScaledVector(n,s)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||jd.getNormalMatrix(t),i=this.coplanarPoint(Ia).applyMatrix4(t),s=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(s),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return new this.constructor().copy(this)}}const Yn=new Ue,js=new T;class Kr{constructor(t=new ni,e=new ni,n=new ni,i=new ni,s=new ni,a=new ni){this.planes=[t,e,n,i,s,a]}set(t,e,n,i,s,a){const o=this.planes;return o[0].copy(t),o[1].copy(e),o[2].copy(n),o[3].copy(i),o[4].copy(s),o[5].copy(a),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=yn){const n=this.planes,i=t.elements,s=i[0],a=i[1],o=i[2],l=i[3],c=i[4],h=i[5],u=i[6],d=i[7],f=i[8],m=i[9],x=i[10],g=i[11],p=i[12],v=i[13],_=i[14],M=i[15];if(n[0].setComponents(l-s,d-c,g-f,M-p).normalize(),n[1].setComponents(l+s,d+c,g+f,M+p).normalize(),n[2].setComponents(l+a,d+h,g+m,M+v).normalize(),n[3].setComponents(l-a,d-h,g-m,M-v).normalize(),n[4].setComponents(l-o,d-u,g-x,M-_).normalize(),e===yn)n[5].setComponents(l+o,d+u,g+x,M+_).normalize();else if(e===kr)n[5].setComponents(o,u,x,_).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);return this}intersectsObject(t){if(t.boundingSphere!==void 0)t.boundingSphere===null&&t.computeBoundingSphere(),Yn.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;e.boundingSphere===null&&e.computeBoundingSphere(),Yn.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(Yn)}intersectsSprite(t){return Yn.center.set(0,0,0),Yn.radius=.7071067811865476,Yn.applyMatrix4(t.matrixWorld),this.intersectsSphere(Yn)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let s=0;s<6;s++)if(e[s].distanceToPoint(n)<i)return!1;return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(js.x=i.normal.x>0?t.max.x:t.min.x,js.y=i.normal.y>0?t.max.y:t.min.y,js.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(js)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}}function Lh(){let r=null,t=!1,e=null,n=null;function i(s,a){e(s,a),n=r.requestAnimationFrame(i)}return{start:function(){t!==!0&&e!==null&&(n=r.requestAnimationFrame(i),t=!0)},stop:function(){r.cancelAnimationFrame(n),t=!1},setAnimationLoop:function(s){e=s},setContext:function(s){r=s}}}function tf(r,t){const e=t.isWebGL2,n=new WeakMap;function i(c,h){const u=c.array,d=c.usage,f=u.byteLength,m=r.createBuffer();r.bindBuffer(h,m),r.bufferData(h,u,d),c.onUploadCallback();let x;if(u instanceof Float32Array)x=r.FLOAT;else if(u instanceof Uint16Array)if(c.isFloat16BufferAttribute)if(e)x=r.HALF_FLOAT;else throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");else x=r.UNSIGNED_SHORT;else if(u instanceof Int16Array)x=r.SHORT;else if(u instanceof Uint32Array)x=r.UNSIGNED_INT;else if(u instanceof Int32Array)x=r.INT;else if(u instanceof Int8Array)x=r.BYTE;else if(u instanceof Uint8Array)x=r.UNSIGNED_BYTE;else if(u instanceof Uint8ClampedArray)x=r.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+u);return{buffer:m,type:x,bytesPerElement:u.BYTES_PER_ELEMENT,version:c.version,size:f}}function s(c,h,u){const d=h.array,f=h._updateRange,m=h.updateRanges;if(r.bindBuffer(u,c),f.count===-1&&m.length===0&&r.bufferSubData(u,0,d),m.length!==0){for(let x=0,g=m.length;x<g;x++){const p=m[x];e?r.bufferSubData(u,p.start*d.BYTES_PER_ELEMENT,d,p.start,p.count):r.bufferSubData(u,p.start*d.BYTES_PER_ELEMENT,d.subarray(p.start,p.start+p.count))}h.clearUpdateRanges()}f.count!==-1&&(e?r.bufferSubData(u,f.offset*d.BYTES_PER_ELEMENT,d,f.offset,f.count):r.bufferSubData(u,f.offset*d.BYTES_PER_ELEMENT,d.subarray(f.offset,f.offset+f.count)),f.count=-1),h.onUploadCallback()}function a(c){return c.isInterleavedBufferAttribute&&(c=c.data),n.get(c)}function o(c){c.isInterleavedBufferAttribute&&(c=c.data);const h=n.get(c);h&&(r.deleteBuffer(h.buffer),n.delete(c))}function l(c,h){if(c.isGLBufferAttribute){const d=n.get(c);(!d||d.version<c.version)&&n.set(c,{buffer:c.buffer,type:c.type,bytesPerElement:c.elementSize,version:c.version});return}c.isInterleavedBufferAttribute&&(c=c.data);const u=n.get(c);if(u===void 0)n.set(c,i(c,h));else if(u.version<c.version){if(u.size!==c.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");s(u.buffer,c,h),u.version=c.version}}return{get:a,remove:o,update:l}}class Ps extends Xt{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const s=t/2,a=e/2,o=Math.floor(n),l=Math.floor(i),c=o+1,h=l+1,u=t/o,d=e/l,f=[],m=[],x=[],g=[];for(let p=0;p<h;p++){const v=p*d-a;for(let _=0;_<c;_++){const M=_*u-s;m.push(M,-v,0),x.push(0,0,1),g.push(_/o),g.push(1-p/l)}}for(let p=0;p<l;p++)for(let v=0;v<o;v++){const _=v+c*p,M=v+c*(p+1),C=v+1+c*(p+1),E=v+1+c*p;f.push(_,M,E),f.push(M,C,E)}this.setIndex(f),this.setAttribute("position",new Mt(m,3)),this.setAttribute("normal",new Mt(x,3)),this.setAttribute("uv",new Mt(g,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ps(t.width,t.height,t.widthSegments,t.heightSegments)}}var ef=`#ifdef USE_ALPHAHASH 45 if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard; 46#endif`,nf=`#ifdef USE_ALPHAHASH 47 const float ALPHA_HASH_SCALE = 0.05; 48 float hash2D( vec2 value ) { 49 return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) ); 50 } 51 float hash3D( vec3 value ) { 52 return hash2D( vec2( hash2D( value.xy ), value.z ) ); 53 } 54 float getAlphaHashThreshold( vec3 position ) { 55 float maxDeriv = max( 56 length( dFdx( position.xyz ) ), 57 length( dFdy( position.xyz ) ) 58 ); 59 float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv ); 60 vec2 pixScales = vec2( 61 exp2( floor( log2( pixScale ) ) ), 62 exp2( ceil( log2( pixScale ) ) ) 63 ); 64 vec2 alpha = vec2( 65 hash3D( floor( pixScales.x * position.xyz ) ), 66 hash3D( floor( pixScales.y * position.xyz ) ) 67 ); 68 float lerpFactor = fract( log2( pixScale ) ); 69 float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y; 70 float a = min( lerpFactor, 1.0 - lerpFactor ); 71 vec3 cases = vec3( 72 x * x / ( 2.0 * a * ( 1.0 - a ) ), 73 ( x - 0.5 * a ) / ( 1.0 - a ), 74 1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) ) 75 ); 76 float threshold = ( x < ( 1.0 - a ) ) 77 ? ( ( x < a ) ? cases.x : cases.y ) 78 : cases.z; 79 return clamp( threshold , 1.0e-6, 1.0 ); 80 } 81#endif`,sf=`#ifdef USE_ALPHAMAP 82 diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g; 83#endif`,rf=`#ifdef USE_ALPHAMAP 84 uniform sampler2D alphaMap; 85#endif`,af=`#ifdef USE_ALPHATEST 86 #ifdef ALPHA_TO_COVERAGE 87 diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a ); 88 if ( diffuseColor.a == 0.0 ) discard; 89 #else 90 if ( diffuseColor.a < alphaTest ) discard; 91 #endif 92#endif`,of=`#ifdef USE_ALPHATEST 93 uniform float alphaTest; 94#endif`,lf=`#ifdef USE_AOMAP 95 float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0; 96 reflectedLight.indirectDiffuse *= ambientOcclusion; 97 #if defined( USE_CLEARCOAT ) 98 clearcoatSpecularIndirect *= ambientOcclusion; 99 #endif 100 #if defined( USE_SHEEN ) 101 sheenSpecularIndirect *= ambientOcclusion; 102 #endif 103 #if defined( USE_ENVMAP ) && defined( STANDARD ) 104 float dotNV = saturate( dot( geometryNormal, geometryViewDir ) ); 105 reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness ); 106 #endif 107#endif`,cf=`#ifdef USE_AOMAP 108 uniform sampler2D aoMap; 109 uniform float aoMapIntensity; 110#endif`,hf=`#ifdef USE_BATCHING 111 attribute float batchId; 112 uniform highp sampler2D batchingTexture; 113 mat4 getBatchingMatrix( const in float i ) { 114 int size = textureSize( batchingTexture, 0 ).x; 115 int j = int( i ) * 4; 116 int x = j % size; 117 int y = j / size; 118 vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 ); 119 vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 ); 120 vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 ); 121 vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 ); 122 return mat4( v1, v2, v3, v4 ); 123 } 124#endif`,uf=`#ifdef USE_BATCHING 125 mat4 batchingMatrix = getBatchingMatrix( batchId ); 126#endif`,df=`vec3 transformed = vec3( position ); 127#ifdef USE_ALPHAHASH 128 vPosition = vec3( position ); 129#endif`,ff=`vec3 objectNormal = vec3( normal ); 130#ifdef USE_TANGENT 131 vec3 objectTangent = vec3( tangent.xyz ); 132#endif`,pf=`float G_BlinnPhong_Implicit( ) { 133 return 0.25; 134} 135float D_BlinnPhong( const in float shininess, const in float dotNH ) { 136 return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess ); 137} 138vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) { 139 vec3 halfDir = normalize( lightDir + viewDir ); 140 float dotNH = saturate( dot( normal, halfDir ) ); 141 float dotVH = saturate( dot( viewDir, halfDir ) ); 142 vec3 F = F_Schlick( specularColor, 1.0, dotVH ); 143 float G = G_BlinnPhong_Implicit( ); 144 float D = D_BlinnPhong( shininess, dotNH ); 145 return F * ( G * D ); 146} // validated`,mf=`#ifdef USE_IRIDESCENCE 147 const mat3 XYZ_TO_REC709 = mat3( 148 3.2404542, -0.9692660, 0.0556434, 149 -1.5371385, 1.8760108, -0.2040259, 150 -0.4985314, 0.0415560, 1.0572252 151 ); 152 vec3 Fresnel0ToIor( vec3 fresnel0 ) { 153 vec3 sqrtF0 = sqrt( fresnel0 ); 154 return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 ); 155 } 156 vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) { 157 return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) ); 158 } 159 float IorToFresnel0( float transmittedIor, float incidentIor ) { 160 return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor )); 161 } 162 vec3 evalSensitivity( float OPD, vec3 shift ) { 163 float phase = 2.0 * PI * OPD * 1.0e-9; 164 vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 ); 165 vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 ); 166 vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 ); 167 vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var ); 168 xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) ); 169 xyz /= 1.0685e-7; 170 vec3 rgb = XYZ_TO_REC709 * xyz; 171 return rgb; 172 } 173 vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) { 174 vec3 I; 175 float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) ); 176 float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) ); 177 float cosTheta2Sq = 1.0 - sinTheta2Sq; 178 if ( cosTheta2Sq < 0.0 ) { 179 return vec3( 1.0 ); 180 } 181 float cosTheta2 = sqrt( cosTheta2Sq ); 182 float R0 = IorToFresnel0( iridescenceIOR, outsideIOR ); 183 float R12 = F_Schlick( R0, 1.0, cosTheta1 ); 184 float T121 = 1.0 - R12; 185 float phi12 = 0.0; 186 if ( iridescenceIOR < outsideIOR ) phi12 = PI; 187 float phi21 = PI - phi12; 188 vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR ); 189 vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 ); 190 vec3 phi23 = vec3( 0.0 ); 191 if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI; 192 if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI; 193 if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI; 194 float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2; 195 vec3 phi = vec3( phi21 ) + phi23; 196 vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 ); 197 vec3 r123 = sqrt( R123 ); 198 vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 ); 199 vec3 C0 = R12 + Rs; 200 I = C0; 201 vec3 Cm = Rs - T121; 202 for ( int m = 1; m <= 2; ++ m ) { 203 Cm *= r123; 204 vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi ); 205 I += Cm * Sm; 206 } 207 return max( I, vec3( 0.0 ) ); 208 } 209#endif`,gf=`#ifdef USE_BUMPMAP 210 uniform sampler2D bumpMap; 211 uniform float bumpScale; 212 vec2 dHdxy_fwd() { 213 vec2 dSTdx = dFdx( vBumpMapUv ); 214 vec2 dSTdy = dFdy( vBumpMapUv ); 215 float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x; 216 float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll; 217 float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll; 218 return vec2( dBx, dBy ); 219 } 220 vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { 221 vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) ); 222 vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) ); 223 vec3 vN = surf_norm; 224 vec3 R1 = cross( vSigmaY, vN ); 225 vec3 R2 = cross( vN, vSigmaX ); 226 float fDet = dot( vSigmaX, R1 ) * faceDirection; 227 vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); 228 return normalize( abs( fDet ) * surf_norm - vGrad ); 229 } 230#endif`,_f=`#if NUM_CLIPPING_PLANES > 0 231 vec4 plane; 232 #ifdef ALPHA_TO_COVERAGE 233 float distanceToPlane, distanceGradient; 234 float clipOpacity = 1.0; 235 #pragma unroll_loop_start 236 for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { 237 plane = clippingPlanes[ i ]; 238 distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; 239 distanceGradient = fwidth( distanceToPlane ) / 2.0; 240 clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); 241 if ( clipOpacity == 0.0 ) discard; 242 } 243 #pragma unroll_loop_end 244 #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES 245 float unionClipOpacity = 1.0; 246 #pragma unroll_loop_start 247 for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { 248 plane = clippingPlanes[ i ]; 249 distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w; 250 distanceGradient = fwidth( distanceToPlane ) / 2.0; 251 unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane ); 252 } 253 #pragma unroll_loop_end 254 clipOpacity *= 1.0 - unionClipOpacity; 255 #endif 256 diffuseColor.a *= clipOpacity; 257 if ( diffuseColor.a == 0.0 ) discard; 258 #else 259 #pragma unroll_loop_start 260 for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { 261 plane = clippingPlanes[ i ]; 262 if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; 263 } 264 #pragma unroll_loop_end 265 #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES 266 bool clipped = true; 267 #pragma unroll_loop_start 268 for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { 269 plane = clippingPlanes[ i ]; 270 clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; 271 } 272 #pragma unroll_loop_end 273 if ( clipped ) discard; 274 #endif 275 #endif 276#endif`,xf=`#if NUM_CLIPPING_PLANES > 0 277 varying vec3 vClipPosition; 278 uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; 279#endif`,vf=`#if NUM_CLIPPING_PLANES > 0 280 varying vec3 vClipPosition; 281#endif`,yf=`#if NUM_CLIPPING_PLANES > 0 282 vClipPosition = - mvPosition.xyz; 283#endif`,Mf=`#if defined( USE_COLOR_ALPHA ) 284 diffuseColor *= vColor; 285#elif defined( USE_COLOR ) 286 diffuseColor.rgb *= vColor; 287#endif`,Sf=`#if defined( USE_COLOR_ALPHA ) 288 varying vec4 vColor; 289#elif defined( USE_COLOR ) 290 varying vec3 vColor; 291#endif`,bf=`#if defined( USE_COLOR_ALPHA ) 292 varying vec4 vColor; 293#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) 294 varying vec3 vColor; 295#endif`,Ef=`#if defined( USE_COLOR_ALPHA ) 296 vColor = vec4( 1.0 ); 297#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) 298 vColor = vec3( 1.0 ); 299#endif 300#ifdef USE_COLOR 301 vColor *= color; 302#endif 303#ifdef USE_INSTANCING_COLOR 304 vColor.xyz *= instanceColor.xyz; 305#endif`,Af=`#define PI 3.141592653589793 306#define PI2 6.283185307179586 307#define PI_HALF 1.5707963267948966 308#define RECIPROCAL_PI 0.3183098861837907 309#define RECIPROCAL_PI2 0.15915494309189535 310#define EPSILON 1e-6 311#ifndef saturate 312#define saturate( a ) clamp( a, 0.0, 1.0 ) 313#endif 314#define whiteComplement( a ) ( 1.0 - saturate( a ) ) 315float pow2( const in float x ) { return x*x; } 316vec3 pow2( const in vec3 x ) { return x*x; } 317float pow3( const in float x ) { return x*x*x; } 318float pow4( const in float x ) { float x2 = x*x; return x2*x2; } 319float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); } 320float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); } 321highp float rand( const in vec2 uv ) { 322 const highp float a = 12.9898, b = 78.233, c = 43758.5453; 323 highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); 324 return fract( sin( sn ) * c ); 325} 326#ifdef HIGH_PRECISION 327 float precisionSafeLength( vec3 v ) { return length( v ); } 328#else 329 float precisionSafeLength( vec3 v ) { 330 float maxComponent = max3( abs( v ) ); 331 return length( v / maxComponent ) * maxComponent; 332 } 333#endif 334struct IncidentLight { 335 vec3 color; 336 vec3 direction; 337 bool visible; 338}; 339struct ReflectedLight { 340 vec3 directDiffuse; 341 vec3 directSpecular; 342 vec3 indirectDiffuse; 343 vec3 indirectSpecular; 344}; 345#ifdef USE_ALPHAHASH 346 varying vec3 vPosition; 347#endif 348vec3 transformDirection( in vec3 dir, in mat4 matrix ) { 349 return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); 350} 351vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) { 352 return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz ); 353} 354mat3 transposeMat3( const in mat3 m ) { 355 mat3 tmp; 356 tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x ); 357 tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y ); 358 tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); 359 return tmp; 360} 361float luminance( const in vec3 rgb ) { 362 const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 ); 363 return dot( weights, rgb ); 364} 365bool isPerspectiveMatrix( mat4 m ) { 366 return m[ 2 ][ 3 ] == - 1.0; 367} 368vec2 equirectUv( in vec3 dir ) { 369 float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; 370 float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; 371 return vec2( u, v ); 372} 373vec3 BRDF_Lambert( const in vec3 diffuseColor ) { 374 return RECIPROCAL_PI * diffuseColor; 375} 376vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) { 377 float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); 378 return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); 379} 380float F_Schlick( const in float f0, const in float f90, const in float dotVH ) { 381 float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH ); 382 return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel ); 383} // validated`,Tf=`#ifdef ENVMAP_TYPE_CUBE_UV 384 #define cubeUV_minMipLevel 4.0 385 #define cubeUV_minTileSize 16.0 386 float getFace( vec3 direction ) { 387 vec3 absDirection = abs( direction ); 388 float face = - 1.0; 389 if ( absDirection.x > absDirection.z ) { 390 if ( absDirection.x > absDirection.y ) 391 face = direction.x > 0.0 ? 0.0 : 3.0; 392 else 393 face = direction.y > 0.0 ? 1.0 : 4.0; 394 } else { 395 if ( absDirection.z > absDirection.y ) 396 face = direction.z > 0.0 ? 2.0 : 5.0; 397 else 398 face = direction.y > 0.0 ? 1.0 : 4.0; 399 } 400 return face; 401 } 402 vec2 getUV( vec3 direction, float face ) { 403 vec2 uv; 404 if ( face == 0.0 ) { 405 uv = vec2( direction.z, direction.y ) / abs( direction.x ); 406 } else if ( face == 1.0 ) { 407 uv = vec2( - direction.x, - direction.z ) / abs( direction.y ); 408 } else if ( face == 2.0 ) { 409 uv = vec2( - direction.x, direction.y ) / abs( direction.z ); 410 } else if ( face == 3.0 ) { 411 uv = vec2( - direction.z, direction.y ) / abs( direction.x ); 412 } else if ( face == 4.0 ) { 413 uv = vec2( - direction.x, direction.z ) / abs( direction.y ); 414 } else { 415 uv = vec2( direction.x, direction.y ) / abs( direction.z ); 416 } 417 return 0.5 * ( uv + 1.0 ); 418 } 419 vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) { 420 float face = getFace( direction ); 421 float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); 422 mipInt = max( mipInt, cubeUV_minMipLevel ); 423 float faceSize = exp2( mipInt ); 424 highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0; 425 if ( face > 2.0 ) { 426 uv.y += faceSize; 427 face -= 3.0; 428 } 429 uv.x += face * faceSize; 430 uv.x += filterInt * 3.0 * cubeUV_minTileSize; 431 uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize ); 432 uv.x *= CUBEUV_TEXEL_WIDTH; 433 uv.y *= CUBEUV_TEXEL_HEIGHT; 434 #ifdef texture2DGradEXT 435 return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb; 436 #else 437 return texture2D( envMap, uv ).rgb; 438 #endif 439 } 440 #define cubeUV_r0 1.0 441 #define cubeUV_m0 - 2.0 442 #define cubeUV_r1 0.8 443 #define cubeUV_m1 - 1.0 444 #define cubeUV_r4 0.4 445 #define cubeUV_m4 2.0 446 #define cubeUV_r5 0.305 447 #define cubeUV_m5 3.0 448 #define cubeUV_r6 0.21 449 #define cubeUV_m6 4.0 450 float roughnessToMip( float roughness ) { 451 float mip = 0.0; 452 if ( roughness >= cubeUV_r1 ) { 453 mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0; 454 } else if ( roughness >= cubeUV_r4 ) { 455 mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1; 456 } else if ( roughness >= cubeUV_r5 ) { 457 mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4; 458 } else if ( roughness >= cubeUV_r6 ) { 459 mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5; 460 } else { 461 mip = - 2.0 * log2( 1.16 * roughness ); } 462 return mip; 463 } 464 vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { 465 float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP ); 466 float mipF = fract( mip ); 467 float mipInt = floor( mip ); 468 vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); 469 if ( mipF == 0.0 ) { 470 return vec4( color0, 1.0 ); 471 } else { 472 vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 ); 473 return vec4( mix( color0, color1, mipF ), 1.0 ); 474 } 475 } 476#endif`,wf=`vec3 transformedNormal = objectNormal; 477#ifdef USE_TANGENT 478 vec3 transformedTangent = objectTangent; 479#endif 480#ifdef USE_BATCHING 481 mat3 bm = mat3( batchingMatrix ); 482 transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) ); 483 transformedNormal = bm * transformedNormal; 484 #ifdef USE_TANGENT 485 transformedTangent = bm * transformedTangent; 486 #endif 487#endif 488#ifdef USE_INSTANCING 489 mat3 im = mat3( instanceMatrix ); 490 transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) ); 491 transformedNormal = im * transformedNormal; 492 #ifdef USE_TANGENT 493 transformedTangent = im * transformedTangent; 494 #endif 495#endif 496transformedNormal = normalMatrix * transformedNormal; 497#ifdef FLIP_SIDED 498 transformedNormal = - transformedNormal; 499#endif 500#ifdef USE_TANGENT 501 transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz; 502 #ifdef FLIP_SIDED 503 transformedTangent = - transformedTangent; 504 #endif 505#endif`,Rf=`#ifdef USE_DISPLACEMENTMAP 506 uniform sampler2D displacementMap; 507 uniform float displacementScale; 508 uniform float displacementBias; 509#endif`,Cf=`#ifdef USE_DISPLACEMENTMAP 510 transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias ); 511#endif`,Pf=`#ifdef USE_EMISSIVEMAP 512 vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv ); 513 totalEmissiveRadiance *= emissiveColor.rgb; 514#endif`,Lf=`#ifdef USE_EMISSIVEMAP 515 uniform sampler2D emissiveMap; 516#endif`,If="gl_FragColor = linearToOutputTexel( gl_FragColor );",Uf=` 517const mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3( 518 vec3( 0.8224621, 0.177538, 0.0 ), 519 vec3( 0.0331941, 0.9668058, 0.0 ), 520 vec3( 0.0170827, 0.0723974, 0.9105199 ) 521); 522const mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3( 523 vec3( 1.2249401, - 0.2249404, 0.0 ), 524 vec3( - 0.0420569, 1.0420571, 0.0 ), 525 vec3( - 0.0196376, - 0.0786361, 1.0982735 ) 526); 527vec4 LinearSRGBToLinearDisplayP3( in vec4 value ) { 528 return vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a ); 529} 530vec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) { 531 return vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a ); 532} 533vec4 LinearTransferOETF( in vec4 value ) { 534 return value; 535} 536vec4 sRGBTransferOETF( in vec4 value ) { 537 return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a ); 538} 539vec4 LinearToLinear( in vec4 value ) { 540 return value; 541} 542vec4 LinearTosRGB( in vec4 value ) { 543 return sRGBTransferOETF( value ); 544}`,Df=`#ifdef USE_ENVMAP 545 #ifdef ENV_WORLDPOS 546 vec3 cameraToFrag; 547 if ( isOrthographic ) { 548 cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); 549 } else { 550 cameraToFrag = normalize( vWorldPosition - cameraPosition ); 551 } 552 vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); 553 #ifdef ENVMAP_MODE_REFLECTION 554 vec3 reflectVec = reflect( cameraToFrag, worldNormal ); 555 #else 556 vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio ); 557 #endif 558 #else 559 vec3 reflectVec = vReflect; 560 #endif 561 #ifdef ENVMAP_TYPE_CUBE 562 vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); 563 #else 564 vec4 envColor = vec4( 0.0 ); 565 #endif 566 #ifdef ENVMAP_BLENDING_MULTIPLY 567 outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity ); 568 #elif defined( ENVMAP_BLENDING_MIX ) 569 outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity ); 570 #elif defined( ENVMAP_BLENDING_ADD ) 571 outgoingLight += envColor.xyz * specularStrength * reflectivity; 572 #endif 573#endif`,Nf=`#ifdef USE_ENVMAP 574 uniform float envMapIntensity; 575 uniform float flipEnvMap; 576 uniform mat3 envMapRotation; 577 #ifdef ENVMAP_TYPE_CUBE 578 uniform samplerCube envMap; 579 #else 580 uniform sampler2D envMap; 581 #endif 582 583#endif`,Of=`#ifdef USE_ENVMAP 584 uniform float reflectivity; 585 #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) 586 #define ENV_WORLDPOS 587 #endif 588 #ifdef ENV_WORLDPOS 589 varying vec3 vWorldPosition; 590 uniform float refractionRatio; 591 #else 592 varying vec3 vReflect; 593 #endif 594#endif`,Ff=`#ifdef USE_ENVMAP 595 #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT ) 596 #define ENV_WORLDPOS 597 #endif 598 #ifdef ENV_WORLDPOS 599 600 varying vec3 vWorldPosition; 601 #else 602 varying vec3 vReflect; 603 uniform float refractionRatio; 604 #endif 605#endif`,Bf=`#ifdef USE_ENVMAP 606 #ifdef ENV_WORLDPOS 607 vWorldPosition = worldPosition.xyz; 608 #else 609 vec3 cameraToVertex; 610 if ( isOrthographic ) { 611 cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); 612 } else { 613 cameraToVertex = normalize( worldPosition.xyz - cameraPosition ); 614 } 615 vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); 616 #ifdef ENVMAP_MODE_REFLECTION 617 vReflect = reflect( cameraToVertex, worldNormal ); 618 #else 619 vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); 620 #endif 621 #endif 622#endif`,zf=`#ifdef USE_FOG 623 vFogDepth = - mvPosition.z; 624#endif`,kf=`#ifdef USE_FOG 625 varying float vFogDepth; 626#endif`,Vf=`#ifdef USE_FOG 627 #ifdef FOG_EXP2 628 float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth ); 629 #else 630 float fogFactor = smoothstep( fogNear, fogFar, vFogDepth ); 631 #endif 632 gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); 633#endif`,Gf=`#ifdef USE_FOG 634 uniform vec3 fogColor; 635 varying float vFogDepth; 636 #ifdef FOG_EXP2 637 uniform float fogDensity; 638 #else 639 uniform float fogNear; 640 uniform float fogFar; 641 #endif 642#endif`,Hf=`#ifdef USE_GRADIENTMAP 643 uniform sampler2D gradientMap; 644#endif 645vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { 646 float dotNL = dot( normal, lightDirection ); 647 vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); 648 #ifdef USE_GRADIENTMAP 649 return vec3( texture2D( gradientMap, coord ).r ); 650 #else 651 vec2 fw = fwidth( coord ) * 0.5; 652 return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) ); 653 #endif 654}`,Wf=`#ifdef USE_LIGHTMAP 655 vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); 656 vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; 657 reflectedLight.indirectDiffuse += lightMapIrradiance; 658#endif`,Xf=`#ifdef USE_LIGHTMAP 659 uniform sampler2D lightMap; 660 uniform float lightMapIntensity; 661#endif`,qf=`LambertMaterial material; 662material.diffuseColor = diffuseColor.rgb; 663material.specularStrength = specularStrength;`,Yf=`varying vec3 vViewPosition; 664struct LambertMaterial { 665 vec3 diffuseColor; 666 float specularStrength; 667}; 668void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { 669 float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); 670 vec3 irradiance = dotNL * directLight.color; 671 reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 672} 673void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) { 674 reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 675} 676#define RE_Direct RE_Direct_Lambert 677#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert`,Zf=`uniform bool receiveShadow; 678uniform vec3 ambientLightColor; 679#if defined( USE_LIGHT_PROBES ) 680 uniform vec3 lightProbe[ 9 ]; 681#endif 682vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { 683 float x = normal.x, y = normal.y, z = normal.z; 684 vec3 result = shCoefficients[ 0 ] * 0.886227; 685 result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y; 686 result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z; 687 result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x; 688 result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y; 689 result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z; 690 result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 ); 691 result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z; 692 result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y ); 693 return result; 694} 695vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) { 696 vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); 697 vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe ); 698 return irradiance; 699} 700vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { 701 vec3 irradiance = ambientLightColor; 702 return irradiance; 703} 704float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) { 705 #if defined ( LEGACY_LIGHTS ) 706 if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) { 707 return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent ); 708 } 709 return 1.0; 710 #else 711 float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 ); 712 if ( cutoffDistance > 0.0 ) { 713 distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); 714 } 715 return distanceFalloff; 716 #endif 717} 718float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) { 719 return smoothstep( coneCosine, penumbraCosine, angleCosine ); 720} 721#if NUM_DIR_LIGHTS > 0 722 struct DirectionalLight { 723 vec3 direction; 724 vec3 color; 725 }; 726 uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; 727 void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) { 728 light.color = directionalLight.color; 729 light.direction = directionalLight.direction; 730 light.visible = true; 731 } 732#endif 733#if NUM_POINT_LIGHTS > 0 734 struct PointLight { 735 vec3 position; 736 vec3 color; 737 float distance; 738 float decay; 739 }; 740 uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; 741 void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) { 742 vec3 lVector = pointLight.position - geometryPosition; 743 light.direction = normalize( lVector ); 744 float lightDistance = length( lVector ); 745 light.color = pointLight.color; 746 light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay ); 747 light.visible = ( light.color != vec3( 0.0 ) ); 748 } 749#endif 750#if NUM_SPOT_LIGHTS > 0 751 struct SpotLight { 752 vec3 position; 753 vec3 direction; 754 vec3 color; 755 float distance; 756 float decay; 757 float coneCos; 758 float penumbraCos; 759 }; 760 uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; 761 void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) { 762 vec3 lVector = spotLight.position - geometryPosition; 763 light.direction = normalize( lVector ); 764 float angleCos = dot( light.direction, spotLight.direction ); 765 float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos ); 766 if ( spotAttenuation > 0.0 ) { 767 float lightDistance = length( lVector ); 768 light.color = spotLight.color * spotAttenuation; 769 light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay ); 770 light.visible = ( light.color != vec3( 0.0 ) ); 771 } else { 772 light.color = vec3( 0.0 ); 773 light.visible = false; 774 } 775 } 776#endif 777#if NUM_RECT_AREA_LIGHTS > 0 778 struct RectAreaLight { 779 vec3 color; 780 vec3 position; 781 vec3 halfWidth; 782 vec3 halfHeight; 783 }; 784 uniform sampler2D ltc_1; uniform sampler2D ltc_2; 785 uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ]; 786#endif 787#if NUM_HEMI_LIGHTS > 0 788 struct HemisphereLight { 789 vec3 direction; 790 vec3 skyColor; 791 vec3 groundColor; 792 }; 793 uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ]; 794 vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) { 795 float dotNL = dot( normal, hemiLight.direction ); 796 float hemiDiffuseWeight = 0.5 * dotNL + 0.5; 797 vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); 798 return irradiance; 799 } 800#endif`,Jf=`#ifdef USE_ENVMAP 801 vec3 getIBLIrradiance( const in vec3 normal ) { 802 #ifdef ENVMAP_TYPE_CUBE_UV 803 vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); 804 vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 ); 805 return PI * envMapColor.rgb * envMapIntensity; 806 #else 807 return vec3( 0.0 ); 808 #endif 809 } 810 vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) { 811 #ifdef ENVMAP_TYPE_CUBE_UV 812 vec3 reflectVec = reflect( - viewDir, normal ); 813 reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); 814 reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); 815 vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness ); 816 return envMapColor.rgb * envMapIntensity; 817 #else 818 return vec3( 0.0 ); 819 #endif 820 } 821 #ifdef USE_ANISOTROPY 822 vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) { 823 #ifdef ENVMAP_TYPE_CUBE_UV 824 vec3 bentNormal = cross( bitangent, viewDir ); 825 bentNormal = normalize( cross( bentNormal, bitangent ) ); 826 bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) ); 827 return getIBLRadiance( viewDir, bentNormal, roughness ); 828 #else 829 return vec3( 0.0 ); 830 #endif 831 } 832 #endif 833#endif`,$f=`ToonMaterial material; 834material.diffuseColor = diffuseColor.rgb;`,Kf=`varying vec3 vViewPosition; 835struct ToonMaterial { 836 vec3 diffuseColor; 837}; 838void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { 839 vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color; 840 reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 841} 842void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { 843 reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 844} 845#define RE_Direct RE_Direct_Toon 846#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon`,Qf=`BlinnPhongMaterial material; 847material.diffuseColor = diffuseColor.rgb; 848material.specularColor = specular; 849material.specularShininess = shininess; 850material.specularStrength = specularStrength;`,jf=`varying vec3 vViewPosition; 851struct BlinnPhongMaterial { 852 vec3 diffuseColor; 853 vec3 specularColor; 854 float specularShininess; 855 float specularStrength; 856}; 857void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { 858 float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); 859 vec3 irradiance = dotNL * directLight.color; 860 reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 861 reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength; 862} 863void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { 864 reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 865} 866#define RE_Direct RE_Direct_BlinnPhong 867#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong`,tp=`PhysicalMaterial material; 868material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); 869vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) ); 870float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); 871material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness; 872material.roughness = min( material.roughness, 1.0 ); 873#ifdef IOR 874 material.ior = ior; 875 #ifdef USE_SPECULAR 876 float specularIntensityFactor = specularIntensity; 877 vec3 specularColorFactor = specularColor; 878 #ifdef USE_SPECULAR_COLORMAP 879 specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb; 880 #endif 881 #ifdef USE_SPECULAR_INTENSITYMAP 882 specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a; 883 #endif 884 material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor ); 885 #else 886 float specularIntensityFactor = 1.0; 887 vec3 specularColorFactor = vec3( 1.0 ); 888 material.specularF90 = 1.0; 889 #endif 890 material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor ); 891#else 892 material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor ); 893 material.specularF90 = 1.0; 894#endif 895#ifdef USE_CLEARCOAT 896 material.clearcoat = clearcoat; 897 material.clearcoatRoughness = clearcoatRoughness; 898 material.clearcoatF0 = vec3( 0.04 ); 899 material.clearcoatF90 = 1.0; 900 #ifdef USE_CLEARCOATMAP 901 material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x; 902 #endif 903 #ifdef USE_CLEARCOAT_ROUGHNESSMAP 904 material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y; 905 #endif 906 material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); 907 material.clearcoatRoughness += geometryRoughness; 908 material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); 909#endif 910#ifdef USE_IRIDESCENCE 911 material.iridescence = iridescence; 912 material.iridescenceIOR = iridescenceIOR; 913 #ifdef USE_IRIDESCENCEMAP 914 material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r; 915 #endif 916 #ifdef USE_IRIDESCENCE_THICKNESSMAP 917 material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum; 918 #else 919 material.iridescenceThickness = iridescenceThicknessMaximum; 920 #endif 921#endif 922#ifdef USE_SHEEN 923 material.sheenColor = sheenColor; 924 #ifdef USE_SHEEN_COLORMAP 925 material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb; 926 #endif 927 material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 ); 928 #ifdef USE_SHEEN_ROUGHNESSMAP 929 material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a; 930 #endif 931#endif 932#ifdef USE_ANISOTROPY 933 #ifdef USE_ANISOTROPYMAP 934 mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x ); 935 vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb; 936 vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b; 937 #else 938 vec2 anisotropyV = anisotropyVector; 939 #endif 940 material.anisotropy = length( anisotropyV ); 941 if( material.anisotropy == 0.0 ) { 942 anisotropyV = vec2( 1.0, 0.0 ); 943 } else { 944 anisotropyV /= material.anisotropy; 945 material.anisotropy = saturate( material.anisotropy ); 946 } 947 material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) ); 948 material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y; 949 material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y; 950#endif`,ep=`struct PhysicalMaterial { 951 vec3 diffuseColor; 952 float roughness; 953 vec3 specularColor; 954 float specularF90; 955 #ifdef USE_CLEARCOAT 956 float clearcoat; 957 float clearcoatRoughness; 958 vec3 clearcoatF0; 959 float clearcoatF90; 960 #endif 961 #ifdef USE_IRIDESCENCE 962 float iridescence; 963 float iridescenceIOR; 964 float iridescenceThickness; 965 vec3 iridescenceFresnel; 966 vec3 iridescenceF0; 967 #endif 968 #ifdef USE_SHEEN 969 vec3 sheenColor; 970 float sheenRoughness; 971 #endif 972 #ifdef IOR 973 float ior; 974 #endif 975 #ifdef USE_TRANSMISSION 976 float transmission; 977 float transmissionAlpha; 978 float thickness; 979 float attenuationDistance; 980 vec3 attenuationColor; 981 #endif 982 #ifdef USE_ANISOTROPY 983 float anisotropy; 984 float alphaT; 985 vec3 anisotropyT; 986 vec3 anisotropyB; 987 #endif 988}; 989vec3 clearcoatSpecularDirect = vec3( 0.0 ); 990vec3 clearcoatSpecularIndirect = vec3( 0.0 ); 991vec3 sheenSpecularDirect = vec3( 0.0 ); 992vec3 sheenSpecularIndirect = vec3(0.0 ); 993vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) { 994 float x = clamp( 1.0 - dotVH, 0.0, 1.0 ); 995 float x2 = x * x; 996 float x5 = clamp( x * x2 * x2, 0.0, 0.9999 ); 997 return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 ); 998} 999float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { 1000 float a2 = pow2( alpha ); 1001 float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); 1002 float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); 1003 return 0.5 / max( gv + gl, EPSILON ); 1004} 1005float D_GGX( const in float alpha, const in float dotNH ) { 1006 float a2 = pow2( alpha ); 1007 float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; 1008 return RECIPROCAL_PI * a2 / pow2( denom ); 1009} 1010#ifdef USE_ANISOTROPY 1011 float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) { 1012 float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) ); 1013 float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) ); 1014 float v = 0.5 / ( gv + gl ); 1015 return saturate(v); 1016 } 1017 float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) { 1018 float a2 = alphaT * alphaB; 1019 highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH ); 1020 highp float v2 = dot( v, v ); 1021 float w2 = a2 / v2; 1022 return RECIPROCAL_PI * a2 * pow2 ( w2 ); 1023 } 1024#endif 1025#ifdef USE_CLEARCOAT 1026 vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) { 1027 vec3 f0 = material.clearcoatF0; 1028 float f90 = material.clearcoatF90; 1029 float roughness = material.clearcoatRoughness; 1030 float alpha = pow2( roughness ); 1031 vec3 halfDir = normalize( lightDir + viewDir ); 1032 float dotNL = saturate( dot( normal, lightDir ) ); 1033 float dotNV = saturate( dot( normal, viewDir ) ); 1034 float dotNH = saturate( dot( normal, halfDir ) ); 1035 float dotVH = saturate( dot( viewDir, halfDir ) ); 1036 vec3 F = F_Schlick( f0, f90, dotVH ); 1037 float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); 1038 float D = D_GGX( alpha, dotNH ); 1039 return F * ( V * D ); 1040 } 1041#endif 1042vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) { 1043 vec3 f0 = material.specularColor; 1044 float f90 = material.specularF90; 1045 float roughness = material.roughness; 1046 float alpha = pow2( roughness ); 1047 vec3 halfDir = normalize( lightDir + viewDir ); 1048 float dotNL = saturate( dot( normal, lightDir ) ); 1049 float dotNV = saturate( dot( normal, viewDir ) ); 1050 float dotNH = saturate( dot( normal, halfDir ) ); 1051 float dotVH = saturate( dot( viewDir, halfDir ) ); 1052 vec3 F = F_Schlick( f0, f90, dotVH ); 1053 #ifdef USE_IRIDESCENCE 1054 F = mix( F, material.iridescenceFresnel, material.iridescence ); 1055 #endif 1056 #ifdef USE_ANISOTROPY 1057 float dotTL = dot( material.anisotropyT, lightDir ); 1058 float dotTV = dot( material.anisotropyT, viewDir ); 1059 float dotTH = dot( material.anisotropyT, halfDir ); 1060 float dotBL = dot( material.anisotropyB, lightDir ); 1061 float dotBV = dot( material.anisotropyB, viewDir ); 1062 float dotBH = dot( material.anisotropyB, halfDir ); 1063 float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL ); 1064 float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH ); 1065 #else 1066 float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV ); 1067 float D = D_GGX( alpha, dotNH ); 1068 #endif 1069 return F * ( V * D ); 1070} 1071vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { 1072 const float LUT_SIZE = 64.0; 1073 const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; 1074 const float LUT_BIAS = 0.5 / LUT_SIZE; 1075 float dotNV = saturate( dot( N, V ) ); 1076 vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); 1077 uv = uv * LUT_SCALE + LUT_BIAS; 1078 return uv; 1079} 1080float LTC_ClippedSphereFormFactor( const in vec3 f ) { 1081 float l = length( f ); 1082 return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); 1083} 1084vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { 1085 float x = dot( v1, v2 ); 1086 float y = abs( x ); 1087 float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; 1088 float b = 3.4175940 + ( 4.1616724 + y ) * y; 1089 float v = a / b; 1090 float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; 1091 return cross( v1, v2 ) * theta_sintheta; 1092} 1093vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { 1094 vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; 1095 vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; 1096 vec3 lightNormal = cross( v1, v2 ); 1097 if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); 1098 vec3 T1, T2; 1099 T1 = normalize( V - N * dot( V, N ) ); 1100 T2 = - cross( N, T1 ); 1101 mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); 1102 vec3 coords[ 4 ]; 1103 coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); 1104 coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); 1105 coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); 1106 coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); 1107 coords[ 0 ] = normalize( coords[ 0 ] ); 1108 coords[ 1 ] = normalize( coords[ 1 ] ); 1109 coords[ 2 ] = normalize( coords[ 2 ] ); 1110 coords[ 3 ] = normalize( coords[ 3 ] ); 1111 vec3 vectorFormFactor = vec3( 0.0 ); 1112 vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); 1113 vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); 1114 vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); 1115 vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); 1116 float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); 1117 return vec3( result ); 1118} 1119#if defined( USE_SHEEN ) 1120float D_Charlie( float roughness, float dotNH ) { 1121 float alpha = pow2( roughness ); 1122 float invAlpha = 1.0 / alpha; 1123 float cos2h = dotNH * dotNH; 1124 float sin2h = max( 1.0 - cos2h, 0.0078125 ); 1125 return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI ); 1126} 1127float V_Neubelt( float dotNV, float dotNL ) { 1128 return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) ); 1129} 1130vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) { 1131 vec3 halfDir = normalize( lightDir + viewDir ); 1132 float dotNL = saturate( dot( normal, lightDir ) ); 1133 float dotNV = saturate( dot( normal, viewDir ) ); 1134 float dotNH = saturate( dot( normal, halfDir ) ); 1135 float D = D_Charlie( sheenRoughness, dotNH ); 1136 float V = V_Neubelt( dotNV, dotNL ); 1137 return sheenColor * ( D * V ); 1138} 1139#endif 1140float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { 1141 float dotNV = saturate( dot( normal, viewDir ) ); 1142 float r2 = roughness * roughness; 1143 float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95; 1144 float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72; 1145 float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) ); 1146 return saturate( DG * RECIPROCAL_PI ); 1147} 1148vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) { 1149 float dotNV = saturate( dot( normal, viewDir ) ); 1150 const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 ); 1151 const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 ); 1152 vec4 r = roughness * c0 + c1; 1153 float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y; 1154 vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw; 1155 return fab; 1156} 1157vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) { 1158 vec2 fab = DFGApprox( normal, viewDir, roughness ); 1159 return specularColor * fab.x + specularF90 * fab.y; 1160} 1161#ifdef USE_IRIDESCENCE 1162void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { 1163#else 1164void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { 1165#endif 1166 vec2 fab = DFGApprox( normal, viewDir, roughness ); 1167 #ifdef USE_IRIDESCENCE 1168 vec3 Fr = mix( specularColor, iridescenceF0, iridescence ); 1169 #else 1170 vec3 Fr = specularColor; 1171 #endif 1172 vec3 FssEss = Fr * fab.x + specularF90 * fab.y; 1173 float Ess = fab.x + fab.y; 1174 float Ems = 1.0 - Ess; 1175 vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); 1176 singleScatter += FssEss; 1177 multiScatter += Fms * Ems; 1178} 1179#if NUM_RECT_AREA_LIGHTS > 0 1180 void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { 1181 vec3 normal = geometryNormal; 1182 vec3 viewDir = geometryViewDir; 1183 vec3 position = geometryPosition; 1184 vec3 lightPos = rectAreaLight.position; 1185 vec3 halfWidth = rectAreaLight.halfWidth; 1186 vec3 halfHeight = rectAreaLight.halfHeight; 1187 vec3 lightColor = rectAreaLight.color; 1188 float roughness = material.roughness; 1189 vec3 rectCoords[ 4 ]; 1190 rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight; 1191 rectCoords[ 2 ] = lightPos - halfWidth + halfHeight; 1192 rectCoords[ 3 ] = lightPos + halfWidth + halfHeight; 1193 vec2 uv = LTC_Uv( normal, viewDir, roughness ); 1194 vec4 t1 = texture2D( ltc_1, uv ); 1195 vec4 t2 = texture2D( ltc_2, uv ); 1196 mat3 mInv = mat3( 1197 vec3( t1.x, 0, t1.y ), 1198 vec3( 0, 1, 0 ), 1199 vec3( t1.z, 0, t1.w ) 1200 ); 1201 vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y ); 1202 reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords ); 1203 reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); 1204 } 1205#endif 1206void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { 1207 float dotNL = saturate( dot( geometryNormal, directLight.direction ) ); 1208 vec3 irradiance = dotNL * directLight.color; 1209 #ifdef USE_CLEARCOAT 1210 float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) ); 1211 vec3 ccIrradiance = dotNLcc * directLight.color; 1212 clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material ); 1213 #endif 1214 #ifdef USE_SHEEN 1215 sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness ); 1216 #endif 1217 reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material ); 1218 reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 1219} 1220void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { 1221 reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor ); 1222} 1223void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { 1224 #ifdef USE_CLEARCOAT 1225 clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness ); 1226 #endif 1227 #ifdef USE_SHEEN 1228 sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ); 1229 #endif 1230 vec3 singleScattering = vec3( 0.0 ); 1231 vec3 multiScattering = vec3( 0.0 ); 1232 vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; 1233 #ifdef USE_IRIDESCENCE 1234 computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering ); 1235 #else 1236 computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering ); 1237 #endif 1238 vec3 totalScattering = singleScattering + multiScattering; 1239 vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) ); 1240 reflectedLight.indirectSpecular += radiance * singleScattering; 1241 reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; 1242 reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; 1243} 1244#define RE_Direct RE_Direct_Physical 1245#define RE_Direct_RectArea RE_Direct_RectArea_Physical 1246#define RE_IndirectDiffuse RE_IndirectDiffuse_Physical 1247#define RE_IndirectSpecular RE_IndirectSpecular_Physical 1248float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { 1249 return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); 1250}`,np=` 1251vec3 geometryPosition = - vViewPosition; 1252vec3 geometryNormal = normal; 1253vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); 1254vec3 geometryClearcoatNormal = vec3( 0.0 ); 1255#ifdef USE_CLEARCOAT 1256 geometryClearcoatNormal = clearcoatNormal; 1257#endif 1258#ifdef USE_IRIDESCENCE 1259 float dotNVi = saturate( dot( normal, geometryViewDir ) ); 1260 if ( material.iridescenceThickness == 0.0 ) { 1261 material.iridescence = 0.0; 1262 } else { 1263 material.iridescence = saturate( material.iridescence ); 1264 } 1265 if ( material.iridescence > 0.0 ) { 1266 material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor ); 1267 material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi ); 1268 } 1269#endif 1270IncidentLight directLight; 1271#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) 1272 PointLight pointLight; 1273 #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0 1274 PointLightShadow pointLightShadow; 1275 #endif 1276 #pragma unroll_loop_start 1277 for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { 1278 pointLight = pointLights[ i ]; 1279 getPointLightInfo( pointLight, geometryPosition, directLight ); 1280 #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) 1281 pointLightShadow = pointLightShadows[ i ]; 1282 directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; 1283 #endif 1284 RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1285 } 1286 #pragma unroll_loop_end 1287#endif 1288#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) 1289 SpotLight spotLight; 1290 vec4 spotColor; 1291 vec3 spotLightCoord; 1292 bool inSpotLightMap; 1293 #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 1294 SpotLightShadow spotLightShadow; 1295 #endif 1296 #pragma unroll_loop_start 1297 for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { 1298 spotLight = spotLights[ i ]; 1299 getSpotLightInfo( spotLight, geometryPosition, directLight ); 1300 #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) 1301 #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX 1302 #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) 1303 #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS 1304 #else 1305 #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS ) 1306 #endif 1307 #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS ) 1308 spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w; 1309 inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) ); 1310 spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy ); 1311 directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color; 1312 #endif 1313 #undef SPOT_LIGHT_MAP_INDEX 1314 #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) 1315 spotLightShadow = spotLightShadows[ i ]; 1316 directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0; 1317 #endif 1318 RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1319 } 1320 #pragma unroll_loop_end 1321#endif 1322#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct ) 1323 DirectionalLight directionalLight; 1324 #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0 1325 DirectionalLightShadow directionalLightShadow; 1326 #endif 1327 #pragma unroll_loop_start 1328 for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { 1329 directionalLight = directionalLights[ i ]; 1330 getDirectionalLightInfo( directionalLight, directLight ); 1331 #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) 1332 directionalLightShadow = directionalLightShadows[ i ]; 1333 directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; 1334 #endif 1335 RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1336 } 1337 #pragma unroll_loop_end 1338#endif 1339#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea ) 1340 RectAreaLight rectAreaLight; 1341 #pragma unroll_loop_start 1342 for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { 1343 rectAreaLight = rectAreaLights[ i ]; 1344 RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1345 } 1346 #pragma unroll_loop_end 1347#endif 1348#if defined( RE_IndirectDiffuse ) 1349 vec3 iblIrradiance = vec3( 0.0 ); 1350 vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); 1351 #if defined( USE_LIGHT_PROBES ) 1352 irradiance += getLightProbeIrradiance( lightProbe, geometryNormal ); 1353 #endif 1354 #if ( NUM_HEMI_LIGHTS > 0 ) 1355 #pragma unroll_loop_start 1356 for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { 1357 irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal ); 1358 } 1359 #pragma unroll_loop_end 1360 #endif 1361#endif 1362#if defined( RE_IndirectSpecular ) 1363 vec3 radiance = vec3( 0.0 ); 1364 vec3 clearcoatRadiance = vec3( 0.0 ); 1365#endif`,ip=`#if defined( RE_IndirectDiffuse ) 1366 #ifdef USE_LIGHTMAP 1367 vec4 lightMapTexel = texture2D( lightMap, vLightMapUv ); 1368 vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity; 1369 irradiance += lightMapIrradiance; 1370 #endif 1371 #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) 1372 iblIrradiance += getIBLIrradiance( geometryNormal ); 1373 #endif 1374#endif 1375#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) 1376 #ifdef USE_ANISOTROPY 1377 radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy ); 1378 #else 1379 radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness ); 1380 #endif 1381 #ifdef USE_CLEARCOAT 1382 clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness ); 1383 #endif 1384#endif`,sp=`#if defined( RE_IndirectDiffuse ) 1385 RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1386#endif 1387#if defined( RE_IndirectSpecular ) 1388 RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight ); 1389#endif`,rp=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) 1390 gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; 1391#endif`,ap=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) 1392 uniform float logDepthBufFC; 1393 varying float vFragDepth; 1394 varying float vIsPerspective; 1395#endif`,op=`#ifdef USE_LOGDEPTHBUF 1396 #ifdef USE_LOGDEPTHBUF_EXT 1397 varying float vFragDepth; 1398 varying float vIsPerspective; 1399 #else 1400 uniform float logDepthBufFC; 1401 #endif 1402#endif`,lp=`#ifdef USE_LOGDEPTHBUF 1403 #ifdef USE_LOGDEPTHBUF_EXT 1404 vFragDepth = 1.0 + gl_Position.w; 1405 vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); 1406 #else 1407 if ( isPerspectiveMatrix( projectionMatrix ) ) { 1408 gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; 1409 gl_Position.z *= gl_Position.w; 1410 } 1411 #endif 1412#endif`,cp=`#ifdef USE_MAP 1413 vec4 sampledDiffuseColor = texture2D( map, vMapUv ); 1414 #ifdef DECODE_VIDEO_TEXTURE 1415 sampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w ); 1416 1417 #endif 1418 diffuseColor *= sampledDiffuseColor; 1419#endif`,hp=`#ifdef USE_MAP 1420 uniform sampler2D map; 1421#endif`,up=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) 1422 #if defined( USE_POINTS_UV ) 1423 vec2 uv = vUv; 1424 #else 1425 vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; 1426 #endif 1427#endif 1428#ifdef USE_MAP 1429 diffuseColor *= texture2D( map, uv ); 1430#endif 1431#ifdef USE_ALPHAMAP 1432 diffuseColor.a *= texture2D( alphaMap, uv ).g; 1433#endif`,dp=`#if defined( USE_POINTS_UV ) 1434 varying vec2 vUv; 1435#else 1436 #if defined( USE_MAP ) || defined( USE_ALPHAMAP ) 1437 uniform mat3 uvTransform; 1438 #endif 1439#endif 1440#ifdef USE_MAP 1441 uniform sampler2D map; 1442#endif 1443#ifdef USE_ALPHAMAP 1444 uniform sampler2D alphaMap; 1445#endif`,fp=`float metalnessFactor = metalness; 1446#ifdef USE_METALNESSMAP 1447 vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv ); 1448 metalnessFactor *= texelMetalness.b; 1449#endif`,pp=`#ifdef USE_METALNESSMAP 1450 uniform sampler2D metalnessMap; 1451#endif`,mp=`#ifdef USE_INSTANCING_MORPH 1452 float morphTargetInfluences[MORPHTARGETS_COUNT]; 1453 float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r; 1454 for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { 1455 morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r; 1456 } 1457#endif`,gp=`#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE ) 1458 vColor *= morphTargetBaseInfluence; 1459 for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { 1460 #if defined( USE_COLOR_ALPHA ) 1461 if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ]; 1462 #elif defined( USE_COLOR ) 1463 if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ]; 1464 #endif 1465 } 1466#endif`,_p=`#ifdef USE_MORPHNORMALS 1467 objectNormal *= morphTargetBaseInfluence; 1468 #ifdef MORPHTARGETS_TEXTURE 1469 for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) { 1470 if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ]; 1471 } 1472 #else 1473 objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; 1474 objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; 1475 objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; 1476 objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; 1477 #endif 1478#endif`,xp=`#ifdef USE_MORPHTARGETS 1479 #ifndef USE_INSTANCING_MORPH 1480 uniform float morphTargetBaseInfluence; 1481 #endif 1482 #ifdef MORPHTARGETS_TEXTURE 1483 #ifndef USE_INSTANCING_MORPH 1484 uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ]; 1485 #endif 1486 uniform sampler2DArray morphTargetsTexture; 1487 uniform ivec2 morphTargetsTextureSize; 1488 vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) { 1489 int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset; 1490 int y = texelIndex / morphTargetsTextureSize.x; 1491 int x = texelIndex - y * morphTargetsTextureSize.x; 1492 ivec3 morphUV = ivec3( x, y, morphTargetIndex ); 1493 return texelFetch( morphTargetsTexture, morphUV, 0 ); 1494 } 1495 #else 1496 #ifndef USE_MORPHNORMALS 1497 uniform float morphTargetInfluences[ 8 ]; 1498 #else 1499 uniform float morphTargetInfluences[ 4 ]; 1500 #endif