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e=0;e<9;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return new this.constructor().fromArray(this.elements)}},Dn=new G,On=new G().set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),kn=new G().set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function An(){let e={enabled:!0,workingColorSpace:ut,spaces:{},convert:function(e,t,n){return this.enabled===!1||t===n||!t||!n?e:(this.spaces[t].transfer===`srgb`&&(e.r=Mn(e.r),e.g=Mn(e.g),e.b=Mn(e.b)),this.spaces[t].primaries!==this.spaces[n].primaries&&(e.applyMatrix3(this.spaces[t].toXYZ),e.applyMatrix3(this.spaces[n].fromXYZ)),this.spaces[n].transfer===`srgb`&&(e.r=Nn(e.r),e.g=Nn(e.g),e.b=Nn(e.b)),e)},workingToColorSpace:function(e,t){return this.convert(e,this.workingColorSpace,t)},colorSpaceToWorking:function(e,t){return this.convert(e,t,this.workingColorSpace)},getPrimaries:function(e){return this.spaces[e].primaries},getTransfer:function(e){return e===``?dt:this.spaces[e].transfer},getToneMappingMode:function(e){return this.spaces[e].outputColorSpaceConfig.toneMappingMode||`standard`},getLuminanceCoefficients:function(e,t=this.workingColorSpace){return e.fromArray(this.spaces[t].luminanceCoefficients)},define:function(e){Object.assign(this.spaces,e)},_getMatrix:function(e,t,n){return e.copy(this.spaces[t].toXYZ).multiply(this.spaces[n].fromXYZ)},_getDrawingBufferColorSpace:function(e){return this.spaces[e].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(e=this.workingColorSpace){return this.spaces[e].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(t,n){return Jt(`ColorManagement: .fromWorkingColorSpace() has been renamed to 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this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}},Un=class extends Zt{constructor(e=1,t=1,n={}){super(),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:x,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},n),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=n.depth,this.scissor=new Hn(0,0,e,t),this.scissorTest=!1,this.viewport=new Hn(0,0,e,t),this.textures=[];let r=new Vn({width:e,height:t,depth:n.depth}),i=n.count;for(let e=0;e<i;e++)this.textures[e]=r.clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;this._setTextureOptions(n),this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples,this.multiview=n.multiview}_setTextureOptions(e={}){let t={minFilter:x,generateMipmaps:!1,flipY:!1,internalFormat:null};e.mapping!==void 0&&(t.mapping=e.mapping),e.wrapS!==void 0&&(t.wrapS=e.wrapS),e.wrapT!==void 0&&(t.wrapT=e.wrapT),e.wrapR!==void 0&&(t.wrapR=e.wrapR),e.magFilter!==void 0&&(t.magFilter=e.magFilter),e.minFilter!==void 0&&(t.minFilter=e.minFilter),e.format!==void 0&&(t.format=e.format),e.type!==void 0&&(t.type=e.type),e.anisotropy!==void 0&&(t.anisotropy=e.anisotropy),e.colorSpace!==void 0&&(t.colorSpace

1=e.colorSpace),e.flipY!==void 0&&(t.flipY=e.flipY),e.generateMipmaps!==void 0&&(t.generateMipmaps=e.generateMipmaps),e.internalFormat!==void 0&&(t.internalFormat=e.internalFormat);for(let e=0;e<this.textures.length;e++)this.textures[e].setValues(t)}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let r=0,i=this.textures.length;r<i;r++)this.textures[r].image.width=e,this.textures[r].image.height=t,this.textures[r].image.depth=n,this.textures[r].isData3DTexture!==!0&&(this.textures[r].isArrayTexture=this.textures[r].image.depth>1);this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,n=e.textures.length;t<n;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;let n=Object.assign({},e.textures[t].image);this.textures[t].source=new Ln(n)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this.multiview=e.multiview,this}dispose(){this.dispatchEvent({type:`dispose`})}},Wn=class extends Un{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}},Gn=class extends Vn{constructor(e=null,t=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=g,this.minFilter=g,this.wrapR=m,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},Kn=class extends Wn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new Gn(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}},qn=class extends Vn{constructor(e=null,t=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=g,this.minFilter=g,this.wrapR=m,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Jn=class extends Wn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new 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this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return this.determinant()===0?(e.set(1,0,0),t.set(0,1,0),n.set(0,0,1),this):(e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this)}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){if(e.determinant()===0)return this.identity();let t=this.elements,n=e.elements,r=1/Yn.setFromMatrixColumn(e,0).length(),i=1/Yn.setFromMatrixColumn(e,1).length(),a=1/Yn.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,n=e.x,r=e.y,i=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),u=Math.sin(i);if(e.order===`XYZ`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=-s*u,t[8]=c,t[1]=n+r*c,t[5]=e-i*c,t[9]=-o*s,t[2]=i-e*c,t[6]=r+n*c,t[10]=a*s}else if(e.order===`YXZ`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e+i*o,t[4]=r*o-n,t[8]=a*c,t[1]=a*u,t[5]=a*l,t[9]=-o,t[2]=n*o-r,t[6]=i+e*o,t[10]=a*s}else if(e.order===`ZXY`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e-i*o,t[4]=-a*u,t[8]=r+n*o,t[1]=n+r*o,t[5]=a*l,t[9]=i-e*o,t[2]=-a*c,t[6]=o,t[10]=a*s}else if(e.order===`ZYX`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=r*c-n,t[8]=e*c+i,t[1]=s*u,t[5]=i*c+e,t[9]=n*c-r,t[2]=-c,t[6]=o*s,t[10]=a*s}else if(e.order===`YZX`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=i-e*u,t[8]=r*u+n,t[1]=u,t[5]=a*l,t[9]=-o*l,t[2]=-c*l,t[6]=n*u+r,t[10]=e-i*u}else if(e.order===`XZY`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=-u,t[8]=c*l,t[1]=e*u+i,t[5]=a*l,t[9]=n*u-r,t[2]=r*u-n,t[6]=o*l,t[10]=i*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(Zn,e,Qn)}lookAt(e,t,n){let r=this.elements;return tr.subVectors(e,t),tr.lengthSq()===0&&(tr.z=1),tr.normalize(),$n.crossVectors(n,tr),$n.lengthSq()===0&&(Math.abs(n.z)===1?tr.x+=1e-4:tr.z+=1e-4,tr.normalize(),$n.crossVectors(n,tr)),$n.normalize(),er.crossVectors(tr,$n),r[0]=$n.x,r[4]=er.x,r[8]=tr.x,r[1]=$n.y,r[5]=er.y,r[9]=tr.y,r[2]=$n.z,r[6]=er.z,r[10]=tr.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],d=n[9],f=n[13],p=n[2],m=n[6],h=n[10],g=n[14],_=n[3],v=n[7],y=n[11],b=n[15],x=r[0],S=r[4],C=r[8],w=r[12],T=r[1],E=r[5],D=r[9],O=r[13],k=r[2],A=r[6],j=r[10],M=r[14],N=r[3],ee=r[7],te=r[11],ne=r[15];return i[0]=a*x+o*T+s*k+c*N,i[4]=a*S+o*E+s*A+c*ee,i[8]=a*C+o*D+s*j+c*te,i[12]=a*w+o*O+s*M+c*ne,i[1]=l*x+u*T+d*k+f*N,i[5]=l*S+u*E+d*A+f*ee,i[9]=l*C+u*D+d*j+f*te,i[13]=l*w+u*O+d*M+f*ne,i[2]=p*x+m*T+h*k+g*N,i[6]=p*S+m*E+h*A+g*ee,i[10]=p*C+m*D+h*j+g*te,i[14]=p*w+m*O+h*M+g*ne,i[3]=_*x+v*T+y*k+b*N,i[7]=_*S+v*E+y*A+b*ee,i[11]=_*C+v*D+y*j+b*te,i[15]=_*w+v*O+y*M+b*ne,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],a=e[1],o=e[5],s=e[9],c=e[13],l=e[2],u=e[6],d=e[10],f=e[14],p=e[3],m=e[7],h=e[11],g=e[15],_=s*f-c*d,v=o*f-c*u,y=o*d-s*u,b=a*f-c*l,x=a*d-s*l,S=a*u-o*l;return t*(m*_-h*v+g*y)-n*(p*_-h*b+g*x)+r*(p*v-m*b+g*S)-i*(p*y-m*x+h*S)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8],u=e[9],d=e[10],f=e[11],p=e[12],m=e[13],h=e[14],g=e[15],_=t*o-n*a,v=t*s-r*a,y=t*c-i*a,b=n*s-r*o,x=n*c-i*o,S=r*c-i*s,C=l*m-u*p,w=l*h-d*p,T=l*g-f*p,E=u*h-d*m,D=u*g-f*m,O=d*g-f*h,k=_*O-v*D+y*E+b*T-x*w+S*C;if(k===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let A=1/k;return e[0]=(o*O-s*D+c*E)*A,e[1]=(r*D-n*O-i*E)*A,e[2]=(m*S-h*x+g*b)*A,e[3]=(d*x-u*S-f*b)*A,e[4]=(s*T-a*O-c*w)*A,e[5]=(t*O-r*T+i*w)*A,e[6]=(h*y-p*S-g*v)*A,e[7]=(l*S-d*y+f*v)*A,e[8]=(a*D-o*T+c*C)*A,e[9]=(n*T-t*D-i*C)*A,e[10]=(p*x-m*y+g*_)*A,e[11]=(u*y-l*x-f*_)*A,e[12]=(o*w-a*E-s*C)*A,e[13]=(t*E-n*w+r*C)*A,e[14]=(m*v-p*b-h*_)*A,e[15]=(l*b-u*v+d*_)*A,this}scale(e){let t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}makeTranslation(e,t,n){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),r=Math.sin(t),i=1-n,a=e.x,o=e.y,s=e.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,r,i,a){return this.set(1,n,i,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){let r=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,c=i+i,l=a+a,u=o+o,d=i*c,f=i*l,p=i*u,m=a*l,h=a*u,g=o*u,_=s*c,v=s*l,y=s*u,b=n.x,x=n.y,S=n.z;return r[0]=(1-(m+g))*b,r[1]=(f+y)*b,r[2]=(p-v)*b,r[3]=0,r[4]=(f-y)*x,r[5]=(1-(d+g))*x,r[6]=(h+_)*x,r[7]=0,r[8]=(p+v)*S,r[9]=(h-_)*S,r[10]=(1-(d+m))*S,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){let r=this.elements;e.x=r[12],e.y=r[13],e.z=r[14];let i=this.determinant();if(i===0)return n.set(1,1,1),t.identity(),this;let a=Yn.set(r[0],r[1],r[2]).length(),o=Yn.set(r[4],r[5],r[6]).length(),s=Yn.set(r[8],r[9],r[10]).length();i<0&&(a=-a),Xn.copy(this);let c=1/a,l=1/o,u=1/s;return Xn.elements[0]*=c,Xn.elements[1]*=c,Xn.elements[2]*=c,Xn.elements[4]*=l,Xn.elements[5]*=l,Xn.elements[6]*=l,Xn.elements[8]*=u,Xn.elements[9]*=u,Xn.elements[10]*=u,t.setFromRotationMatrix(Xn),n.x=a,n.y=o,n.z=s,this}makePerspective(e,t,n,r,i,a,o=At,s=!1){let c=this.elements,l=2*i/(t-e),u=2*i/(n-r),d=(t+e)/(t-e),f=(n+r)/(n-r),p,m;if(s)p=i/(a-i),m=a*i/(a-i);else if(o===2e3)p=-(a+i)/(a-i),m=-2*a*i/(a-i);else if(o===2001)p=-a/(a-i),m=-a*i/(a-i);else throw Error(`THREE.Matrix4.makePerspective(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=d,c[12]=0,c[1]=0,c[5]=u,c[9]=f,c[13]=0,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=-1,c[15]=0,this}

1makeOrthographic(e,t,n,r,i,a,o=At,s=!1){let c=this.elements,l=2/(t-e),u=2/(n-r),d=-(t+e)/(t-e),f=-(n+r)/(n-r),p,m;if(s)p=1/(a-i),m=a/(a-i);else if(o===2e3)p=-2/(a-i),m=-(a+i)/(a-i);else if(o===2001)p=-1/(a-i),m=-i/(a-i);else throw Error(`THREE.Matrix4.makeOrthographic(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=0,c[12]=d,c[1]=0,c[5]=u,c[9]=0,c[13]=f,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=0,c[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}},Yn=new W,Xn=new K,Zn=new W(0,0,0),Qn=new W(1,1,1),$n=new W,er=new W,tr=new W,nr=new K,rr=new wn,ir=class e{constructor(t=0,n=0,r=0,i=e.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=n,this._z=r,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,r=this._order){return this._x=e,this._y=t,this._z=n,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let r=e.elements,i=r[0],a=r[4],o=r[8],s=r[1],c=r[5],l=r[9],u=r[2],d=r[6],f=r[10];switch(t){case`XYZ`:this._y=Math.asin(V(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,f),this._z=Math.atan2(-a,i)):(this._x=Math.atan2(d,c),this._z=0);break;case`YXZ`:this._x=Math.asin(-V(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(s,c)):(this._y=Math.atan2(-u,i),this._z=0);break;case`ZXY`:this._x=Math.asin(V(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(s,i));break;case`ZYX`:this._y=Math.asin(-V(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-a,c));break;case`YZX`:this._z=Math.asin(V(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-l,c),this._y=Math.atan2(-u,i)):(this._x=0,this._y=Math.atan2(o,f));break;case`XZY`:this._z=Math.asin(-V(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,i)):(this._x=Math.atan2(-l,f),this._y=0);break;default:z(`Euler: 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ar=class{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!==0}isEnabled(e){return(this.mask&(1<<e|0))!=0}},or=0,sr=new W,cr=new wn,lr=new K,ur=new W,dr=new W,fr=new W,pr=new wn,mr=new W(1,0,0),hr=new W(0,1,0),gr=new W(0,0,1),_r={type:`added`},vr={type:`removed`},yr={type:`childadded`,child:null},br={type:`childremoved`,child:null},xr=class e extends Zt{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:or++}),this.uuid=nn(),this.name=``,this.type=`Object3D`,this.parent=null,this.children=[],this.up=e.DEFAULT_UP.clone();let t=new W,n=new ir,r=new wn,i=new W(1,1,1);function a(){r.setFromEuler(n,!1)}function o(){n.setFromQuaternion(r,void 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this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.pivot=e.pivot===null?null:e.pivot.clone(),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.static=e.static,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let t=0;t<e.children.length;t++){let n=e.children[t];this.add(n.clone())}return this}};xr.DEFAULT_UP=new W(0,1,0),xr.DEFAULT_MATRIX_AUTO_UPDATE=!0,xr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;var Sr=class extends 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this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(Er),e.getHSL(Dr);let n=sn(Er.h,Dr.h,t),r=sn(Er.s,Dr.s,t),i=sn(Er.l,Dr.l,t);return this.setHSL(n,r,i),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){let t=this.r,n=this.g,r=this.b,i=e.elements;return this.r=i[0]*t+i[3]*n+i[6]*r,this.g=i[1]*t+i[4]*n+i[7]*r,this.b=i[2]*t+i[5]*n+i[8]*r,this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}},kr=new q;q.NAMES=Tr;var Ar=class e{constructor(e,t=25e-5){this.isFogExp2=!0,this.name=``,this.color=new q(e),this.density=t}clone(){return new e(this.color,this.density)}toJSON(){return{type:`FogExp2`,name:this.name,color:this.color.getHex(),density:this.density}}},jr=class e{constructor(e,t=1,n=1e3){this.isFog=!0,this.name=``,this.color=new q(e),this.near=t,this.far=n}clone(){return new e(this.color,this.near,this.far)}toJSON(){return{type:`Fog`,name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}},Mr=class extends 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t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}},Nr=new W,Pr=new W,Fr=new W,Ir=new W,Lr=new W,Rr=new W,zr=new W,Br=new W,Vr=new W,Hr=new W,Ur=new Hn,Wr=new Hn,Gr=new Hn,Kr=class e{constructor(e=new W,t=new W,n=new W){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),Nr.subVectors(e,t),r.cross(Nr);let i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){Nr.subVectors(r,t),Pr.subVectors(n,t),Fr.subVectors(e,t);let a=Nr.dot(Nr),o=Nr.dot(Pr),s=Nr.dot(Fr),c=Pr.dot(Pr),l=Pr.dot(Fr),u=a*c-o*o;if(u===0)return 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n=this.a,r=this.b,i=this.c,a,o;Lr.subVectors(r,n),Rr.subVectors(i,n),Br.subVectors(e,n);let s=Lr.dot(Br),c=Rr.dot(Br);if(s<=0&&c<=0)return t.copy(n);Vr.subVectors(e,r);let l=Lr.dot(Vr),u=Rr.dot(Vr);if(l>=0&&u<=l)return t.copy(r);let d=s*u-l*c;if(d<=0&&s>=0&&l<=0)return a=s/(s-l),t.copy(n).addScaledVector(Lr,a);Hr.subVectors(e,i);let f=Lr.dot(Hr),p=Rr.dot(Hr);if(p>=0&&f<=p)return t.copy(i);let m=f*c-s*p;if(m<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(Rr,o);let h=l*p-f*u;if(h<=0&&u-l>=0&&f-p>=0)return zr.subVectors(i,r),o=(u-l)/(u-l+(f-p)),t.copy(r).addScaledVector(zr,o);let g=1/(h+m+d);return a=m*g,o=d*g,t.copy(n).addScaledVector(Lr,a).addScaledVector(Rr,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},qr=class{constructor(e=new W(1/0,1/0,1/0),t=new W(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(Yr.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(Yr.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=Yr.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);let n=e.geometry;if(n!==void 0){let r=n.getAttribute(`position`);if(t===!0&&r!==void 0&&e.isInstancedMesh!==!0)for(let t=0,n=r.count;t<n;t++)e.isMesh===!0?e.getVertexPosition(t,Yr):Yr.fromBufferAttribute(r,t),Yr.applyM

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t=r,n=r+i;t<n;t+=3)g(e.getX(t+0),e.getX(t+1),e.getX(t+2))}let v=new W,y=new W,b=new W,x=new W;function S(e){b.fromBufferAttribute(r,e),x.copy(b);let t=o[e];v.copy(t),v.sub(b.multiplyScalar(b.dot(t))).normalize(),y.crossVectors(x,t);let n=y.dot(s[e])<0?-1:1;a.setXYZW(e,v.x,v.y,v.z,n)}for(let t=0,n=_.length;t<n;++t){let n=_[t],r=n.start,i=n.count;for(let t=r,n=r+i;t<n;t+=3)S(e.getX(t+0)),S(e.getX(t+1)),S(e.getX(t+2))}}computeVertexNormals(){let e=this.index,t=this.getAttribute(`position`);if(t!==void 0){let n=this.getAttribute(`normal`);if(n===void 0)n=new gi(new Float32Array(t.count*3),3),this.setAttribute(`normal`,n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);let r=new W,i=new W,a=new W,o=new W,s=new W,c=new W,l=new W,u=new W;if(e)for(let d=0,f=e.count;d<f;d+=3){let f=e.getX(d+0),p=e.getX(d+1),m=e.getX(d+2);r.fromBufferAttribute(t,f),i.fromBufferAttribute(t,p),a.fromBufferAttribute(t,m),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),o.fromBufferAttribute(n,f),s.fromBufferAttribute(n,p),c.fromBufferAttribute(n,m),o.add(l),s.add(l),c.add(l),n.setXYZ(f,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(m,c.x,c.y,c.z)}else for(let e=0,o=t.count;e<o;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),n.setXYZ(e+0,l.x,l.y,l.z),n.setXYZ(e+1,l.x,l.y,l.z),n.setXYZ(e+2,l.x,l.y,l.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){let e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Fi.fromBufferAttribute(e,t),Fi.normalize(),e.setXYZ(t,Fi.x,Fi.y,Fi.z)}toNonIndexed(){function t(e,t){let n=e.array,r=e.itemSize,i=e.normalized,a=new n.constructor(t.length*r),o=0,s=0;for(let i=0,c=t.length;i<c;i++){o=e.isInterleavedBufferAttribute?t[i]*e.data.stride+e.offset:t[i]*r;for(let e=0;e<r;e++)a[s++]=n[o++]}return new gi(a,r,i)}if(this.index===null)return z(`BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.`),this;let n=new e,r=this.index.array,i=this.attributes;for(let e in i){let a=i[e],o=t(a,r);n.setAttribute(e,o)}let a=this.morphAttributes;for(let e in a){let i=[],o=a[e];for(let e=0,n=o.length;e<n;e++){let n=o[e],a=t(n,r);i.push(a)}n.morphAttributes[e]=i}n.morphTargetsRelative=this.morphTargetsRelative;let o=this.groups;for(let e=0,t=o.length;e<t;e++){let t=o[e];n.addGroup(t.start,t.count,t.materialIndex)}return n}toJSON(){let e={metadata:{version:4.7,type:`BufferGeometry`,generator:`BufferGeometry.toJSON`}};if(e.uuid=this.uuid,e.type=this.type,this.name!==``&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0){let t=this.parameters;for(let n in t)t[n]!==void 0&&(e[n]=t[n]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let n=this.attributes;for(let t in n){let r=n[t];e.data.attributes[t]=r.toJSON(e.data)}let r={},i=!1;for(let t in this.morphAttributes){let n=this.morphAttributes[t],a=[];for(let t=0,r=n.length;t<r;t++){let r=n[t];a.push(r.toJSON(e.data))}a.length>0&&(r[t]=a,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere=o.toJSON()),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let n=e.index;n!==null&&this.setIndex(n.clone());let r=e.attributes;for(let e in r){let n=r[e];this.setAttribute(e,n.clone(t))}let i=e.morphAttributes;for(let e in i){let n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let e=0,t=a.length;e<t;e++){let t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}let o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());let s=e.boundingSphere;return s!==null&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:`dispose`})}},Ii=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e===void 0?0:e.length/t,this.usage=bt,this.updateRanges=[],this.version=0,this.uuid=nn()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new 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1get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)Li.fromBufferAttribute(this,t),Li.applyMatrix4(e),this.setXYZ(t,Li.x,Li.y,Li.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Li.fromBufferAttribute(this,t),Li.applyNormalMatrix(e),this.setXYZ(t,Li.x,Li.y,Li.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Li.fromBufferAttribute(this,t),Li.transformDirection(e),this.setXYZ(t,Li.x,Li.y,Li.z);return this}getComponent(e,t){let n=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(n=Sn(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=H(n,this.array)),this.data.array[e*this.data.stride+this.offset+t]=n,this}setX(e,t){return this.normalized&&(t=H(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=H(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=H(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=H(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=Sn(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=Sn(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=Sn(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=Sn(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=H(t,this.array),n=H(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=H(t,this.array),n=H(n,this.array),r=H(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=H(t,this.array),n=H(n,this.array),r=H(r,this.array),i=H(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this.data.array[e+3]=i,this}clone(t){if(t===void 0){Kt(`InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new gi(new this.array.constructor(e),this.itemSize,this.normalized)}else return t.interleavedBuffers===void 0&&(t.interleavedBuffers={}),t.interleavedBuffers[this.data.uuid]===void 0&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new e(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){Kt(`InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}},zi=0,Bi=class extends Zt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:zi++}),this.uuid=nn(),this.name=``,this.type=`Material`,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new q(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=pt,this.stencilZFail=pt,this.stencilZPass=pt,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.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){z(`Material: parameter '${t}' has value of 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1(`Material: '${t}' is not a property of THREE.${this.type}.`);continue}r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e==`string`;t&&(e={textures:{},images:{}});let n={metadata:{version:4.7,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(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(n.sheenColorMap=this.sheenColorMap.toJSON(e).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(n.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(e).uuid),this.dispersion!==void 0&&(n.dispersion=this.dispersion),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(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).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(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,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(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).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!==1&&(n.blending=this.blending),this.side!==0&&(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!==204&&(n.blendSrc=this.blendSrc),this.blendDst!==205&&(n.blendDst=this.blendDst),this.blendEquation!==100&&(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!==3&&(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!==519&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==7680&&(n.stencilFail=this.stencilFail),this.stencilZFail!==7680&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==7680&&(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.allowOverride===!1&&(n.allowOverride=!1),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 r(e){let t=[];for(let n in e){let r=e[n];delete r.metadata,t.push(r)}return t}if(t){let t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}return n}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let e=t.length;n=Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.allowOverride=e.allowOverride,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:`dispose`})}set needsUpdate(e){e===!0&&this.version++}},

1Vi=class extends Bi{constructor(e){super(),this.isSpriteMaterial=!0,this.type=`SpriteMaterial`,this.color=new q(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}},Hi,Ui=new W,Wi=new W,Gi=new W,Ki=new U,qi=new U,Ji=new K,Yi=new W,Xi=new W,Zi=new W,Qi=new U,$i=new U,ea=new U,ta=class extends xr{constructor(e=new Vi){if(super(),this.isSprite=!0,this.type=`Sprite`,Hi===void 0){Hi=new Y;let e=new Ii(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);Hi.setIndex([0,1,2,0,2,3]),Hi.setAttribute(`position`,new Ri(e,3,0,!1)),Hi.setAttribute(`uv`,new Ri(e,2,3,!1))}this.geometry=Hi,this.material=e,this.center=new U(.5,.5),this.count=1}raycast(e,t){e.camera===null&&B(`Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.`),Wi.setFromMatrixScale(this.matrixWorld),Ji.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),Gi.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&Wi.multiplyScalar(-Gi.z);let n=this.material.rotation,r,i;n!==0&&(i=Math.cos(n),r=Math.sin(n));let a=this.center;na(Yi.set(-.5,-.5,0),Gi,a,Wi,r,i),na(Xi.set(.5,-.5,0),Gi,a,Wi,r,i),na(Zi.set(.5,.5,0),Gi,a,Wi,r,i),Qi.set(0,0),$i.set(1,0),ea.set(1,1);let o=e.ray.intersectTriangle(Yi,Xi,Zi,!1,Ui);if(o===null&&(na(Xi.set(-.5,.5,0),Gi,a,Wi,r,i),$i.set(0,1),o=e.ray.intersectTriangle(Yi,Zi,Xi,!1,Ui),o===null))return;let s=e.ray.origin.distanceTo(Ui);s<e.near||s>e.far||t.push({distance:s,point:Ui.clone(),uv:Kr.getInterpolation(Ui,Yi,Xi,Zi,Qi,$i,ea,new U),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};function na(e,t,n,r,i,a){Ki.subVectors(e,n).addScalar(.5).multiply(r),i===void 0?qi.copy(Ki):(qi.x=a*Ki.x-i*Ki.y,qi.y=i*Ki.x+a*Ki.y),e.copy(t),e.x+=qi.x,e.y+=qi.y,e.applyMatrix4(Ji)}var ra=new W,ia=new W,aa=class extends xr{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type=`LOD`,Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let e=0,n=t.length;e<n;e++){let n=t[e];this.addLevel(n.object.clone(),n.distance,n.hysteresis)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0,n=0){t=Math.abs(t);let r=this.levels,i;for(i=0;i<r.length&&!(t<r[i].distance);i++);return r.splice(i,0,{distance:t,hysteresis:n,object:e}),this.add(e),this}removeLevel(e){let t=this.levels;for(let n=0;n<t.length;n++)if(t[n].distance===e){let e=t.splice(n,1);return this.remove(e[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){let t=this.levels;if(t.length>0){let n,r;for(n=1,r=t.length;n<r;n++){let r=t[n].distance;if(t[n].object.visible&&(r-=r*t[n].hysteresis),e<r)break}return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){ra.setFromMatrixPosition(this.matrixWorld);let n=e.ray.origin.distanceTo(ra);this.getObjectForDistance(n).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){ra.setFromMatrixPosition(e.matrixWorld),ia.setFromMatrixPosition(this.matrixWorld);let n=ra.distanceTo(ia)/e.zoom;t[0].object.visible=!0;let r,i;for(r=1,i=t.length;r<i;r++){let e=t[r].distance;if(t[r].object.visible&&(e-=e*t[r].hysteresis),n>=e)t[r-1].object.visible=!1,t[r].object.visible=!0;else break}for(this._currentLevel=r-1;r<i;r++)t[r].object.visible=!1}}toJSON(e){let t=super.toJSON(e);this.autoUpdate===!1&&(t.object.autoUpdate=!1),t.object.levels=[];let n=this.levels;for(let e=0,r=n.length;e<r;e++){let r=n[e];t.object.levels.push({object:r.object.uuid,distance:r.distance,hysteresis:r.hysteresis})}return t}},oa=new W,sa=new W,ca=new W,la=new W,ua=new W,da=new W,fa=new W,pa=class{constructor(e=new W,t=new W(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,oa)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=oa.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(oa.copy(this.origin).addScaledVector(this.direction,t),oa.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){sa.copy(e).add(t).multiplyScalar(.5),ca.copy(t).sub(e).normalize(),la.copy(this.origin).sub(sa);let i=e.distanceTo(t)*.5,a=-this.direction.dot(ca),o=la.dot(this.direction),s=-la.dot(ca),c=la.lengthSq(),l=Math.abs(1-a*a),u,d,f,p;if(l>0)if(u=a*s-o,d=a*o-s,p=i*l,u>=0)if(d>=-p)if(d<=p){let e=1/l;u*=e,d*=e,f=u*(u+a*d+2*o)+d*(a*u+d+2*s)+c}

1else d=i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d=-i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d<=-p?(u=Math.max(0,-(-a*i+o)),d=u>0?-i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c):d<=p?(u=0,d=Math.min(Math.max(-i,-s),i),f=d*(d+2*s)+c):(u=Math.max(0,-(a*i+o)),d=u>0?i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c);else d=a>0?-i:i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,u),r&&r.copy(sa).addScaledVector(ca,d),f}intersectSphere(e,t){oa.subVectors(e.center,this.origin);let n=oa.dot(this.direction),r=oa.dot(oa)-n*n,i=e.radius*e.radius;if(r>i)return null;let a=Math.sqrt(i-r),o=n-a,s=n+a;return s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return e.radius<0?!1:this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,a,o,s,c=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,r=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,r=(e.min.x-d.x)*c),l>=0?(i=(e.min.y-d.y)*l,a=(e.max.y-d.y)*l):(i=(e.max.y-d.y)*l,a=(e.min.y-d.y)*l),n>a||i>r||((i>n||isNaN(n))&&(n=i),(a<r||isNaN(r))&&(r=a),u>=0?(o=(e.min.z-d.z)*u,s=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,s=(e.min.z-d.z)*u),n>s||o>r)||((o>n||n!==n)&&(n=o),(s<r||r!==r)&&(r=s),r<0)?null:this.at(n>=0?n:r,t)}intersectsBox(e){return this.intersectBox(e,oa)!==null}intersectTriangle(e,t,n,r,i){ua.subVectors(t,e),da.subVectors(n,e),fa.crossVectors(ua,da);let a=this.direction.dot(fa),o;if(a>0){if(r)return null;o=1}else if(a<0)o=-1,a=-a;else return null;la.subVectors(this.origin,e);let s=o*this.direction.dot(da.crossVectors(la,da));if(s<0)return null;let c=o*this.direction.dot(ua.cross(la));if(c<0||s+c>a)return null;let l=-o*la.dot(fa);return l<0?null:this.at(l/a,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ma=class extends Bi{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type=`MeshBasicMaterial`,this.color=new q(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 ir,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap=`round`,this.wireframeLinejoin=`round`,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},ha=new K,ga=new pa,_a=new Oi,va=new W,ya=new W,ba=new W,xa=new W,Sa=new W,Ca=new W,wa=new W,Ta=new W,Ea=class extends xr{constructor(e=new Y,t=new ma){super(),this.isMesh=!0,this.type=`Mesh`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){let n=this.geometry,r=n.attributes.position,i=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(r,e);let o=this.morphTargetInfluences;if(i&&o){Ca.set(0,0,0);for(let n=0,r=i.length;n<r;n++){let r=o[n],s=i[n];r!==0&&(Sa.fromBufferAttribute(s,e),a?Ca.addScaledVector(Sa,r):Ca.addScaledVector(Sa.sub(t),r))}t.add(Ca)}return t}raycast(e,t){let n=this.geometry,r=this.material,i=this.matrixWorld;r!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),_a.copy(n.boundingSphere),_a.applyMatrix4(i),ga.copy(e.ray).recast(e.near),!(_a.containsPoint(ga.origin)===!1&&(ga.intersectSphere(_a,va)===null||ga.origin.distanceToSquared(va)>(e.far-e.near)**2))&&(ha.copy(i).invert(),ga.copy(e.ray).applyMatrix4(ha),!(n.boundingBox!==null&&ga.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(e,t,ga)))}_computeIntersections(e,t,n){let r,i=this.geometry,a=this.material,o=i.index,s=i.attributes.position,c=i.attributes.uv,l=i.attributes.uv1,u=i.attributes.normal,d=i.groups,f=i.drawRange;if(o!==null)if(Array.isArray(a))for(let i=0,s=d.length;i<s;i++){let s=d[i],p=a[s.materialIndex],m=Math.max(s.start,f.start),h=Math.min(o.count,Math.min(s.start+s.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=o.getX(i),d=o.getX(i+1),f=o.getX(i+2);r=Oa(this,p,e,n,c,l,u,a,d,f),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=s.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),s=Math.min(o.count,f.start+f.count);for(let d=i,f=s;d<f;d+=3){let i=o.getX(d),s=o.getX(d+1),f=o.getX(d+2);r=Oa(this,a,e,n,c,l,u,i,s,f),r&&(r.faceIndex=Math.floor(d/3),t.pu

1sh(r))}}else if(s!==void 0)if(Array.isArray(a))for(let i=0,o=d.length;i<o;i++){let o=d[i],p=a[o.materialIndex],m=Math.max(o.start,f.start),h=Math.min(s.count,Math.min(o.start+o.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=i,s=i+1,d=i+2;r=Oa(this,p,e,n,c,l,u,a,s,d),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=o.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),o=Math.min(s.count,f.start+f.count);for(let s=i,d=o;s<d;s+=3){let i=s,o=s+1,d=s+2;r=Oa(this,a,e,n,c,l,u,i,o,d),r&&(r.faceIndex=Math.floor(s/3),t.push(r))}}}};function Da(e,t,n,r,i,a,o,s){let c;if(c=t.side===1?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,t.side===0,s),c===null)return null;Ta.copy(s),Ta.applyMatrix4(e.matrixWorld);let l=n.ray.origin.distanceTo(Ta);return l<n.near||l>n.far?null:{distance:l,point:Ta.clone(),object:e}}function Oa(e,t,n,r,i,a,o,s,c,l){e.getVertexPosition(s,ya),e.getVertexPosition(c,ba),e.getVertexPosition(l,xa);let u=Da(e,t,n,r,ya,ba,xa,wa);if(u){let e=new W;Kr.getBarycoord(wa,ya,ba,xa,e),i&&(u.uv=Kr.getInterpolatedAttribute(i,s,c,l,e,new U)),a&&(u.uv1=Kr.getInterpolatedAttribute(a,s,c,l,e,new U)),o&&(u.normal=Kr.getInterpolatedAttribute(o,s,c,l,e,new W),u.normal.dot(r.direction)>0&&u.normal.multiplyScalar(-1));let t={a:s,b:c,c:l,normal:new W,materialIndex:0};Kr.getNormal(ya,ba,xa,t.normal),u.face=t,u.barycoord=e}return u}var ka=new Hn,Aa=new Hn,ja=new Hn,Ma=new Hn,Na=new K,Pa=new W,Fa=new Oi,Ia=new K,La=new pa,Ra=class extends Ea{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type=`SkinnedMesh`,this.bindMode=d,this.bindMatrix=new K,this.bindMatrixInverse=new K,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){let e=this.geometry;this.boundingBox===null&&(this.boundingBox=new qr),this.boundingBox.makeEmpty();let t=e.getAttribute(`position`);for(let e=0;e<t.count;e++)this.getVertexPosition(e,Pa),this.boundingBox.expandByPoint(Pa)}computeBoundingSphere(){let e=this.geometry;this.boundingSphere===null&&(this.boundingSphere=new Oi),this.boundingSphere.makeEmpty();let t=e.getAttribute(`position`);for(let e=0;e<t.count;e++)this.getVertexPosition(e,Pa),this.boundingSphere.expandByPoint(Pa)}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){let n=this.material,r=this.matrixWorld;n!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),Fa.copy(this.boundingSphere),Fa.applyMatrix4(r),e.ray.intersectsSphere(Fa)!==!1&&(Ia.copy(r).invert(),La.copy(e.ray).applyMatrix4(Ia),!(this.boundingBox!==null&&La.intersectsBox(this.boundingBox)===!1)&&this._computeIntersections(e,t,La)))}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(e,t){this.skeleton=e,t===void 0&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){let e=new Hn,t=this.geometry.attributes.skinWeight;for(let n=0,r=t.count;n<r;n++){e.fromBufferAttribute(t,n);let r=1/e.manhattanLength();r===1/0?e.set(1,0,0,0):e.multiplyScalar(r),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===`attached`?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===`detached`?this.bindMatrixInverse.copy(this.bindMatrix).invert():z(`SkinnedMesh: Unrecognized bindMode: `+this.bindMode)}applyBoneTransform(e,t){let n=this.skeleton,r=this.geometry;Aa.fromBufferAttribute(r.attributes.skinIndex,e),ja.fromBufferAttribute(r.attributes.skinWeight,e),t.isVector4?(ka.copy(t),t.set(0,0,0,0)):(ka.set(...t,1),t.set(0,0,0)),ka.applyMatrix4(this.bindMatrix);for(let e=0;e<4;e++){let r=ja.getComponent(e);if(r!==0){let i=Aa.getComponent(e);Na.multiplyMatrices(n.bones[i].matrixWorld,n.boneInverses[i]),t.addScaledVector(Ma.copy(ka).applyMatrix4(Na),r)}}

1return t.isVector4&&(t.w=ka.w),t.applyMatrix4(this.bindMatrixInverse)}},za=class extends xr{constructor(){super(),this.isBone=!0,this.type=`Bone`}},Ba=class extends Vn{constructor(e=null,t=1,n=1,r,i,a,o,s,c=g,l=g,u,d){super(null,a,o,s,c,l,r,i,u,d),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Va=new K,X=new K,Ha=class e{constructor(e=[],t=[]){this.uuid=nn(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.previousBoneMatrices=null,this.boneTexture=null,this.init()}init(){let e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){z(`Skeleton: Number of inverse bone matrices does not match amount of bones.`),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new K)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){let t=new K;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){let e=this.bones,t=this.boneInverses,n=this.boneMatrices,r=this.boneTexture;for(let r=0,i=e.length;r<i;r++){let i=e[r]?e[r].matrixWorld:X;Va.multiplyMatrices(i,t[r]),Va.toArray(n,r*16)}r!==null&&(r.needsUpdate=!0)}clone(){return new e(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(this.bones.length*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);let t=new Float32Array(e*e*4);t.set(this.boneMatrices);let n=new Ba(t,e,e,P,M);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){let n=this.bones[t];if(n.name===e)return n}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,r=e.bones.length;n<r;n++){let r=e.bones[n],i=t[r];i===void 0&&(z(`Skeleton: No bone found with UUID:`,r),i=new za),this.bones.push(i),this.boneInverses.push(new K().fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){let e={metadata:{version:4.7,type:`Skeleton`,generator:`Skeleton.toJSON`},bones:[],boneInverses:[]};e.uuid=this.uuid;let t=this.bones,n=this.boneInverses;for(let r=0,i=t.length;r<i;r++){let i=t[r];e.bones.push(i.uuid);let a=n[r];e.boneInverses.push(a.toArray())}return e}},Ua=class extends gi{constructor(e,t,n,r=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=r}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){let e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}},Wa=new K,Ga=new K,Ka=[],qa=new qr,Ja=new K,Ya=new Ea,Xa=new Oi,Za=class extends Ea{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Ua(new Float32Array(n*16),16),this.previousInstanceMatrix=null,this.instanceColor=null,this.morphTexture=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let e=0;e<n;e++)this.setMatrixAt(e,Ja)}computeBoundingBox(){let e=this.geometry,t=this.count;this.boundingBox===null&&(this.boundingBox=new qr),e.boundingBox===null&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Wa),qa.copy(e.boundingBox).applyMatrix4(Wa),this.boundingBox.union(qa)}computeBoundingSphere(){let e=this.geometry,t=this.count;this.boundingSphere===null&&(this.boundingSphere=new Oi),e.boundingSphere===null&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Wa),Xa.copy(e.boundingSphere).applyMatrix4(Wa),this.boundingSphere.union(Xa)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),e.previousInstanceMatrix!==null&&(this.previousInstanceMatrix=e.previousInstanceMatrix.clone()),e.morphTexture!==null&&(this.morphTexture=e.morphTexture.clone()),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){return this.instanceColor===null?t.setRGB(1,1,1):t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){return t.fromArray(this.instanceMatrix.array,e*16)}getMorphAt(e,t){let n=t.morphTargetInfluences,r=this.morphTexture.source.data.data,i=e*(n.length+1)+1;for(let e=0;e<n.length;e++)n[e]=r[i+e]}raycast(e,t){let n=this.matrixWorld,r=this.count;if(Ya.geometry=this.geometry,Ya.material=this.material,Ya.material!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),Xa.copy(this.boundingSphere),Xa.applyMatrix4(n),e.ray.intersectsSphere(Xa)!==!1))for(let i=0;i<r;i++){this.getMatrixAt(i,Wa),Ga.multiplyMatrices(n,Wa),Ya.matrixWorld=Ga,Ya.raycast(e,Ka);for(let e=0,n=Ka.length;e<n;e++){let n=Ka[e];n.instanceId=i,n.object=this,t.push(n)}Ka.length=0}}setColorAt(e,t){return this.instanceColor===null&&(this.instanceColor=new Ua(new Float32Array(this.instanceMatrix.count*3).fill(1),3)),t.toArray(this.instanceColor.array,e*3),this}setMatrixAt(e,t){return t.toArray(this.instanceMatrix.array,e*16),this}setMorphAt(e,t){let n=t.morphTargetInfluences,r=n.length+1;this.morphTexture===null&&(this.morphTexture=new Ba(new Float32Array(r*this.count),r,this.count,le,M));let i=this.morphTexture.source.data.data,a=0;for(let e=0;e<n.length;e++)a+=n[e];let o=this.geometry.morphTargetsRelative?1:1-a,s=r*e;return i[s]=o,i.set(n,s+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:`dispose`}),this.morphTexture!==null&&(this.morphTexture.dispose(),this.morphTexture=null)}},Qa=new W,$a=new W,eo=new G,to=class{constructor(e=new W(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}

1setFromCoplanarPoints(e,t,n){let r=Qa.subVectors(n,t).cross($a.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t,n=!0){let r=e.delta(Qa),i=this.normal.dot(r);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let a=-(e.start.dot(this.normal)+this.constant)/i;return n===!0&&(a<0||a>1)?null:t.copy(e.start).addScaledVector(r,a)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||eo.getNormalMatrix(e),r=this.coplanarPoint(Qa).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},no=new Oi,ro=new U(.5,.5),io=new W,ao=class{constructor(e=new to,t=new to,n=new to,r=new to,i=new to,a=new to){this.planes=[e,t,n,r,i,a]}set(e,t,n,r,i,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=At,n=!1){let r=this.planes,i=e.elements,a=i[0],o=i[1],s=i[2],c=i[3],l=i[4],u=i[5],d=i[6],f=i[7],p=i[8],m=i[9],h=i[10],g=i[11],_=i[12],v=i[13],y=i[14],b=i[15];if(r[0].setComponents(c-a,f-l,g-p,b-_).normalize(),r[1].setComponents(c+a,f+l,g+p,b+_).normalize(),r[2].setComponents(c+o,f+u,g+m,b+v).normalize(),r[3].setComponents(c-o,f-u,g-m,b-v).normalize(),n)r[4].setComponents(s,d,h,y).normalize(),r[5].setComponents(c-s,f-d,g-h,b-y).normalize();else if(r[4].setComponents(c-s,f-d,g-h,b-y).normalize(),t===2e3)r[5].setComponents(c+s,f+d,g+h,b+y).normalize();else if(t===2001)r[5].setComponents(s,d,h,y).normalize();else throw Error(`THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: `+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),no.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),no.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(no)}intersectsSprite(e){return no.center.set(0,0,0),no.radius=.7071067811865476+ro.distanceTo(e.center),no.applyMatrix4(e.matrixWorld),this.intersectsSphere(no)}intersectsSphere(e){let t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){let t=this.planes;for(let n=0;n<6;n++){let r=t[n];if(io.x=r.normal.x>0?e.max.x:e.min.x,io.y=r.normal.y>0?e.max.y:e.min.y,io.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(io)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}},oo=new K,so=new ao,co=class e{constructor(){this.coordinateSystem=At}intersectsObject(e,t){if(!t.isArrayCamera||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){let r=t.cameras[n];if(oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),so.setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth),so.intersectsObject(e))return!0}return!1}intersectsSprite(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){let r=t.cameras[n];if(oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),so.setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth),so.intersectsSprite(e))return!0}return!1}intersectsSphere(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){let r=t.cameras[n];if(oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),so.setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth),so.intersectsSphere(e))return!0}return!1}intersectsBox(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){let r=t.cameras[n];if(oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),so.setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth),so.intersectsBox(e))return!0}return!1}containsPoint(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){let r=t.cameras[n];if(oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),so.setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth),so.containsPoint(e))return!0}return!1}clone(){return new e}};function lo(e,t){return e-t}function uo(e,t){return e.z-t.z}function fo(e,t){return t.z-e.z}var po=class{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,n,r){let i=this.pool,a=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});let o=i[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=n,o.index=r}reset(){this.list.length=0,this.index=0}},mo=new K,ho=new q(1,1,1),go=new ao,_o=new co,vo=new qr,yo=new Oi,bo=new W,xo=new W,So=new W,Co=new po,wo=new Ea,To=[];function Eo(e,t,n=0){let r=t.itemSize;if(e.isInterleavedBufferAttribute||e.array.constructor!==t.array.constructor){let i=e.count;for(let a=0;a<i;a++)for(let i=0;i<r;i++)t.setComponent(a+n,i,e.getComponent(a,i))}else t.array.set(e.array,n*r);t.needsUpdate=!0}function Do(e,t){if(e.constructor!==t.constructor){let n=Math.min(e.length,t.length);for(let r=0;r<n;r++)t[r]=e[r]}else{let n=Math.min(e.length,t.length);t.set(new e.constructor(e.buffer,0,n))}}var Oo=class extends Ea{constructor(e,t,n=t*2,r){super(new Y,r),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=e,this._maxVertexCount=t,this._maxIndexCount=n,this._multiDrawCounts=new Int32Array(e),this._multiDrawStarts=new Int32Array(e),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let e=Math.sqrt(this._maxInstanceCount*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);let t=new Ba(new Float32Array(e*e*4),e,e,P,M);this._matricesTexture=t}_initIndirectTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);let t=new Ba(new Uint32Array(e*e),e,e,ue,j);this._indirectTexture=t}_initColorsTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);let t=new Ba(new Float32Array(e*e*4).fill(1),e,e,P,M);t.colorSpace=jn.workingColorSpace,this._colorsTexture=t}_initializeGeometry(e){let t=this.geometry,n=this._maxVertexCount,r=this._maxIndexCount;if(this._geometryInitialized===!1){for(let r in e.attributes){let{array:i,itemSize:a,normalized:o}=e.getAttribute(r),s=new gi(new i.constructor(n*a),a,o);t.setAttribute(r,s)}if(e.getIndex()!==null){let e=n>65535?new Uint32Array(r):new Uint16Array(r);t.setIndex(new gi(e,1))}this._geometryInitialized=!0}}_validateGeometry(e){let t=this.geometry;if(!!e.getIndex()!=!!t.getIndex())throw Error(`THREE.BatchedMesh: All geometries must consistently have "index".`);for(let n in t.attributes){if(!e.hasAttribute(n))throw Error(`THREE.BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);let r=e.getAttribute(n),i=t.getAttribute(n);if(r.itemSize!==i.itemSize||r.normalized!==i.normalized)throw Error(`THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.`)}}validateInstanceId(e){let t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){let t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new qr);let e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;let r=t[n].geometryIndex;this.getMatrixAt(n,mo),this.getBoundingBoxAt(r,vo).applyMatrix4(mo),e.union(vo)}}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new Oi);let e=this.boundingSphere,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;let r=t[n].geometryIndex;this.getMatrixAt(n,mo),this.getBoundingSphereAt(r,yo).applyMatrix4(mo),e.union(yo)}}addInstance(e){if(this._instanceInfo.length>=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw Error(`THREE.BatchedMesh: Maximum item count reached.`);let t={visible:!0,active:!0,geometryIndex:e},n=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(lo),n=this._availableInstanceIds.shift(),this._instanceInfo[n]=t):(n=this._instanceInfo.length,this._instanceInfo.push(t));let r=this._matricesTexture;mo.identity().toArray(r.image.data,n*16),r.needsUpdate=!0;let i=this._colorsTexture;return i&&(ho.toArray(i.image.data,n*4),i.needsUpdate=!0),this._visibilityChanged=!0,n}addGeometry(e,t=-1,n=-1){this._initializeGeometry(e),this._validateGeometry(e);let r={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},i=this._geometryInfo;r.vertexStart=this._nextVertexStart,r.reservedVertexCount=t===-1?e.getAttribute(`position`).count:t;let a=e.getIndex();if(a!==null&&(r.indexStart=this._nextIndexStart,r.reservedIndexCount=n===-1?a.count:n),r.indexStart!==-1&&r.indexStart+r.reservedIndexCount>this._maxIndexCount||r.vertexStart+r.reservedVertexCount>this._maxVertexCount)throw Error(`THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.`);let o;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(lo),o=this._availableGeometryIds.shift(),i[o]=r):(o=this._geometryCount,this._geometryCount++,i.push(r)),this.setGeometryAt(o,e),this._nextIndexStart=r.indexStart+r.reservedIndexCount,this._nextVertexStart=r.vertexStart+r.reservedVertexCount,o}setGeometryAt(e,t){if(e>=this._geometryCount)throw Error(`THREE.BatchedMesh: Maximum geometry count reached.`);this._validateGeometry(t);let n=this.geometry,r=n.getIndex()!==null,i=n.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(r&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw Error(`THREE.BatchedMesh: Reserved space not large enough for provided geometry.`);let s=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute(`position`).count;for(let e in n.attributes){let r=t.getAttribute(e),i=n.getAttribute(e);Eo(r,i,s);let a=r.itemSize;for(let e=r.count,t=c;e<t;e++){let t=s+e;for(let e=0;e<a;e++)i.setComponent(t,e,0)}i.needsUpdate=!0,i.addUpdateRange(s*a,c*a)}if(r){let e=o.indexStart,n=o.reservedIndexCount;o.indexCount=t.getIndex().count;for(let t=0;t<a.count;t++)i.setX(e+t,s+a.getX(t));for(let t=a.count,r=n;t<r;t++)i.setX(e+t,s);i.needsUpdate=!0,i.addUpdateRange(e,o.reservedIndexCount)}return o.start=r?o.indexStart:o.vertexStart,o.count=r?o.indexCount:o.vertexCount,o.boundingBox=null,t.boundingBox!==null&&(o.boundingBox=t.boundingBox.clone()),o.boundingSphere=null,t.boundingSphere!==null&&(o.boundingSphere=t.boundingSphere.clone()),this._visibilityChanged=!0,e}deleteGeometry(e){let t=this._geometryInfo;if(e>=t.length||t[e].active===!1)return this;let n=this._instanceInfo;for(let t=0,r=n.length;t<r;t++)n[t].active&&n[t].geometryIndex===e&&this.deleteInstance(t);return t[e].active=!1,this._availableGeometryIds.push(e),this._visibilityChanged=!0,this}deleteInstance(e){return this.validateInstanceId(e),this._instanceInfo[e].active=!1,this._availableInstanceIds.push(e),this._visibilityChanged=!0,this}optimize(){let e=0,t=0,n=this._geometryInfo,r=n.map((e,t)=>t).sort((e,t)=>n[e].vertexStart-n[t].vertexStart),i=this.geometry;for(let a=0,o=n.length;a<o;a++){let o=n[r[a]];if(o.active!==!1){if(i.index!==null){if(o.indexStart!==t){let{indexStart:n,vertexStart:r,reservedIndexCount:a}=o,s=i.index,c=s.array,l=e-r;for(let e=n;e<n+a;e++)c[e]=c[e]+l;s.array.copyWithin(t,n,n+a),s.addUpdateRange(t,a),s.needsUpdate=!0,o.indexStart=t}t+=o.reservedIndexCount}if(o.vertexStart!==e){let{vertexStart:t,reservedVertexCount:n}=o,r=i.attributes;for(let i in r){let a=r[i],{array:o,itemSize:s}=a;o.copyWithin(e*s,t*s,(t+n)*s),a.addUpdateRange(e*s,n*s),a.needsUpdate=!0}o.vertexStart=e}e+=o.reservedVertexCount,o.start=i.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=t,this._nextVertexStart=e,this._visibilityChanged=!0,this}getBoundingBoxAt(e,t){if(e>=this._geometryCount)return null;let n=this.geometry,r=this._geometryInfo[e];if(r.boundingBox===null){let e=new qr,t=n.index,i=n.attributes.position;for(let n=r.start,a=r.start+r.count;n<a;n++){let r=n;t&&(r=t.getX(r)),e.expandByPoint(bo.fromBufferAttribute(i,r))}r.boundingBox=e}return t.copy(r.boundingBox),t}getBoundingSphereAt(e,t){if(e>=this._geometryCount)return null;let n=this.geometry,r=this._geometryInfo[e];if(r.boundingSphere===null){let t=new Oi;this.getBoundingBoxAt(e,vo),vo.getCenter(t.center);let i=n.index,a=n.attributes.position,o=0;for(let e=r.start,n=r.start+r.count;e<n;e++){let n=e;i&&(n=i.getX(n)),bo.fromBufferAttribute(a,n),o=Math.max(o,t.center.distanceToSquared(bo))}t.radius=Math.sqrt(o),r.boundingSphere=t}return t.copy(r.boundingSphere),t}setMatrixAt(e,t){this.validateInstanceId(e);let n=this._matricesTexture,r=this._matricesTexture.image.data;return t.toArray(r,e*16),n.needsUpdate=!0,this}getMatrixAt(e,t){return this.validateInstanceId(e),t.fromArray(this._matricesTexture.image.data,e*16)}setColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null&&this._initColorsTexture(),t.toArray(this._colorsTexture.image.data,e*4),this._colorsTexture.needsUpdate=!0,this}getColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null?t.isVector4?t.set(1,1,1,1):t.setRGB(1,1,1):t.fromArray(this._colorsTexture.image.data,e*4)}setVisibleAt(e,t){return this.validateInstanceId(e),this._instanceInfo[e].visible===t?this:(this._instanceInfo[e].visible=t,this._visibilityChanged=!0,this)}getVisibleAt(e){return this.validateInstanceId(e),this._instanceInfo[e].visible}setGeometryIdAt(e,t){return this.validateInstanceId(e),this.validateGeometryId(t),this._instanceInfo[e].geometryIndex=t,this}getGeometryIdAt(e){return this.validateInstanceId(e),this._instanceInfo[e].geometryIndex}getGeometryRangeAt(e,t={}){this.validateGeometryId(e);let n=this._geometryInfo[e];return t.vertexStart=n.vertexStart,t.vertexCount=n.vertexCount,t.reservedVertexCount=n.reservedVertexCount,t.indexStart=n.indexStart,t.indexCount=n.indexCount,t.reservedIndexCount=n.reservedIndexCount,t.start=n.start,t.count=n.count,t}setInstanceCount(e){let t=this._availableInstanceIds,n=this._instanceInfo;for(t.sort(lo);t[t.length-1]===n.length-1;)n.pop(),t.pop();if(e<n.length)throw Error(`BatchedMesh: Instance ids outside the range ${e} are being used. Cannot shrink instance count.`);let r=new Int32Array(e),i=new Int32Array(e);Do(this._multiDrawCounts,r),Do(this._multiDrawStarts,i),this._multiDrawCounts=r,this._multiDrawStarts=i,this._maxInstanceCount=e;let a=this._indirectTexture,o=this._matricesTexture,s=this._colorsTexture;a.dispose(),this._initIndirectTexture(),Do(a.image.data,this._indirectTexture.image.data),o.dispose(),this._initMatricesTexture(),Do(o.image.data,this._matricesTexture.image.data),s&&(s.dispose(),this._initColorsTexture(),Do(s.image.data,this._colorsTexture.image.data))}setGeometrySize(e,t){let n=[...this._geometryInfo].filter(e=>e.active);if(Math.max(...n.map(e=>e.vertexStart+e.reservedVertexCount))>e)throw Error(`BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...n.map(e=>e.indexStart+e.reservedIndexCount))>t)throw Error(`BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);let r=this.geometry;r.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Y,this._initializeGeometry(r));let i=this.geometry;r.index&&Do(r.index.array,i.index.array);for(let e in r.attributes)Do(r.attributes[e].array,i.attributes[e].array)}raycast(e,t){let n=this._instanceInfo,r=this._geometryInfo,i=this.matrixWorld,a=this.geometry;wo.material=this.material,wo.geometry.index=a.index,wo.geometry.attributes=a.attributes,wo.geometry.boundingBox===null&&(wo.geometry.boundingBox=new qr),wo.geometry.boundingSphere===null&&(wo.geometry.boundingSphere=new Oi);for(let a=0,o=n.length;a<o;a++){if(!n[a].visible||!n[a].active)continue;let o=n[a].geometryIndex,s=r[o];wo.geometry.setDrawRange(s.start,s.count),this.getMatrixAt(a,wo.matrixWorld).premultiply(i),this.getBoundingBoxAt(o,wo.geometry.boundingBox),this.getBoundingSphereAt(o,wo.geometry.boundingSphere),wo.raycast(e,To);for(let e=0,n=To.length;e<n;e++){let n=To[e];n.object=this,n.batchId=a,t.push(n)}To.length=0}wo.material=null,wo.geometry.index=null,wo.geometry.attributes={},wo.geometry.setDrawRange(0,1/0)}copy(e){return super.copy(e),this.geometry=e.geometry.clone(),this.perObjectFrustumCulled=e.perObjectFrustumCulled,this.sortObjects=e.sortObjects,this.boundingBox=e.boundingBox===null?null:e.boundingBox.clone(),this.boundingSphere=e.boundingSphere===null?null:e.boundingSphere.clone(),this._geometryInfo=e._geometryInfo.map(e=>({...e,boundingBox:e.boundingBox===null?null:e.boundingBox.clone(),boundingSphere:e.boundingSphere===null?null:e.boundingSphere.clone()})),this._instanceInfo=e._instanceInfo.map(e=>({...e})),this._availableInstanceIds=e._availableInstanceIds.slice(),this._availableGeometryIds=e._availableGeometryIds.slice(),this._nextIndexStart=e._nextIndexStart,this._nextVertexStart=e._nextVertexStart,this._geometryCount=e._geometryCount,this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._indirectTexture=e._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(e,t,n,r,i){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=r.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,s=1;i.wireframe&&(s=2,o=r.attributes.position.count>65535?4:2);let c=this._instanceInfo,l=this._multiDrawStarts,u=this._multiDrawCounts,d=this._geometryInfo,f=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,h=n.isArrayCamera?_o:go;f&&!n.isArrayCamera&&(mo.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),go.setFromProjectionMatrix(mo,n.coordinateSystem,n.reversedDepth));let g=0;if(this.sortObjects){mo.copy(this.matrixWorld).invert(),bo.setFromMatrixPosition(n.matrixWorld).applyMatrix4(mo),xo.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(mo);for(let e=0,t=c.length;e<t;e++)if(c[e].visible&&c[e].active){let t=c[e].geometryIndex;this.getMatrixAt(e,mo),this.getBoundingSphereAt(t,yo).applyMatrix4(mo);let r=!1;if(f&&(r=!h.intersectsSphere(yo,n)),!r){let n=d[t],r=So.subVectors(yo.center,bo).dot(xo);Co.push(n.start,n.count,r,e)}}let e=Co.list,t=this.customSort;t===null?e.sort(i.transparent?fo:uo):t.call(this,e,n);for(let t=0,n=e.length;t<n;t++){let n=e[t];l[g]=n.start*o*s,u[g]=n.count*s,m[g]=n.index,g++}Co.reset()}else for(let e=0,t=c.length;e<t;e++)if(c[e].visible&&c[e].active){let t=c[e].geometryIndex,r=!1;if(f&&(this.getMatrixAt(e,mo),this.getBoundingSphereAt(t,yo).applyMatrix4(mo),r=!h.intersectsSphere(yo,n)),!r){let n=d[t];l[g]=n.start*o*s,u[g]=n.count*s,m[g]=e,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(e,t,n,r,i,a){this.onBeforeRender(e,null,r,i,a)}},ko=class extends Bi{constructor(e){super(),this.isLineBasicMaterial=!0,this.type=`LineBasicMaterial`,this.color=new q(16777215),this.map=null,this.linewidth=1,this.linecap=`round`,this.linejoin=`round`,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}},Ao=new W,jo=new W,Mo=new K,No=new pa,Po=new Oi,Fo=new W,Io=new W,Lo=class extends xr{constructor(e=new Y,t=new ko){super(),this.isLine=!0,this.type=`Line`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,n=[0];for(let e=1,r=t.count;e<r;e++)Ao.fromBufferAttribute(t,e-1),jo.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=Ao.distanceTo(jo);e.setAttribute(`lineDistance`,new J(n,1))}else z(`Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.`);return this}raycast(e,t){let n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),Po.copy(n.boundingSphere),Po.applyMatrix4(r),Po.radius+=i,e.ray.intersectsSphere(Po)===!1)return;Mo.copy(r).invert(),No.copy(e.ray).applyMatrix4(Mo);let o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,c=this.isLineSegments?2:1,l=n.index,u=n.attributes.position;if(l!==null){let n=Math.max(0,a.start),r=Math.min(l.count,a.start+a.count);for(let i=n,a=r-1;i<a;i+=c){let n=l.getX(i),r=l.getX(i+1),a=Ro(this,e,No,s,n,r,i);a&&t.push(a)}if(this.isLineLoop){let i=l.getX(r-1),a=l.getX(n),o=Ro(this,e,No,s,i,a,r-1);o&&t.push(o)}}else{let n=Math.max(0,a.start),r=Math.min(u.count,a.start+a.count);for(let i=n,a=r-1;i<a;i+=c){let n=Ro(this,e,No,s,i,i+1,i);n&&t.push(n)}if(this.isLineLoop){let i=Ro(this,e,No,s,r-1,n,r-1);i&&t.push(i)}}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}};function Ro(e,t,n,r,i,a,o){let s=e.geometry.attributes.position;if(Ao.fromBufferAttribute(s,i),jo.fromBufferAttribute(s,a),n.distanceSqToSegment(Ao,jo,Fo,Io)>r)return;Fo.applyMatrix4(e.matrixWorld);let c=t.ray.origin.distanceTo(Fo);if(!(c<t.near||c>t.far))return{distance:c,point:Io.clone().applyMatrix4(e.matrixWorld),index:o,face:null,faceIndex:null,barycoord:null,object:e}}var zo=new W,Bo=new W,Vo=class extends Lo{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type=`LineSegments`}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,n=[];for(let e=0,r=t.count;e<r;e+=2)zo.fromBufferAttribute(t,e),Bo.fromBufferAttribute(t,e+1),n[e]=e===0?0:n[e-1],n[e+1]=n[e]+zo.distanceTo(Bo);e.setAttribute(`lineDistance`,new J(n,1))}else z(`LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.`);return this}},Ho=class extends Lo{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type=`LineLoop`}},Uo=class extends Bi{constructor(e){super(),this.isPointsMaterial=!0,this.type=`PointsMaterial`,this.color=new q(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}},Wo=new K,Go=new pa,Ko=new Oi,qo=new W,Jo=class extends xr{constructor(e=new Y,t=new Uo){super(),this.isPoints=!0,this.type=`Points`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){let n=this.geometry,r=this.matrixWorld,i=e.params.Points.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),Ko.copy(n.boundingSphere),Ko.applyMatrix4(r),Ko.radius+=i,e.ray.intersectsSphere(Ko)===!1)return;Wo.copy(r).invert(),Go.copy(e.ray).applyMatrix4(Wo);let o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,c=n.index,l=n.attributes.position;if(c!==null){let n=Math.max(0,a.start),i=Math.min(c.count,a.start+a.count);for(let a=n,o=i;a<o;a++){let n=c.getX(a);qo.fromBufferAttribute(l,n),Yo(qo,n,s,r,e,t,this)}}else{let n=Math.max(0,a.start),i=Math.min(l.count,a.start+a.count);for(let a=n,o=i;a<o;a++)qo.fromBufferAttribute(l,a),Yo(qo,a,s,r,e,t,this)}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let 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e=0;e<o;e+=3){i?(s[0]=i.getX(e),s[1]=i.getX(e+1),s[2]=i.getX(e+2)):(s[0]=e,s[1]=e+1,s[2]=e+2);let{a:t,b:o,c:f}=vs;if(t.fromBufferAttribute(a,s[0]),o.fromBufferAttribute(a,s[1]),f.fromBufferAttribute(a,s[2]),vs.getNormal(_s),l[0]=`${Math.round(t.x*n)},${Math.round(t.y*n)},${Math.round(t.z*n)}`,l[1]=`${Math.round(o.x*n)},${Math.round(o.y*n)},${Math.round(o.z*n)}`,l[2]=`${Math.round(f.x*n)},${Math.round(f.y*n)},${Math.round(f.z*n)}`,!(l[0]===l[1]||l[1]===l[2]||l[2]===l[0]))for(let e=0;e<3;e++){let t=(e+1)%3,n=l[e],i=l[t],a=vs[c[e]],o=vs[c[t]],f=`${n}_${i}`,p=`${i}_${n}`;p in u&&u[p]?(_s.dot(u[p].normal)<=r&&(d.push(a.x,a.y,a.z),d.push(o.x,o.y,o.z)),u[p]=null):f in u||(u[f]={index0:s[e],index1:s[t],normal:_s.clone()})}}for(let e in u)if(u[e]){let{index0:t,index1:n}=u[e];hs.fromBufferAttribute(a,t),gs.fromBufferAttribute(a,n),d.push(hs.x,hs.y,hs.z),d.push(gs.x,gs.y,gs.z)}this.setAttribute(`position`,new J(d,3))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}},bs=class{constructor(){this.type=`Curve`,this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){z(`Curve: .getPoint() not implemented.`)}getPointAt(e,t){let n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){let t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){let t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],n,r=this.getPoint(0),i=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),i+=n.distanceTo(r),t.push(i),r=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t=null){let n=this.getLengths(),r=0,i=n.length,a;a=t||e*n[i-1];let o=0,s=i-1,c;for(;o<=s;)if(r=Math.floor(o+(s-o)/2),c=n[r]-a,c<0)o=r+1;else if(c>0)s=r-1;else{s=r;break}if(r=s,n[r]===a)return r/(i-1);let l=n[r],u=n[r+1]-l,d=(a-l)/u;return(r+d)/(i-1)}getTangent(e,t){let n=1e-4,r=e-n,i=e+n;r<0&&(r=0),i>1&&(i=1);let a=this.getPoint(r),o=this.getPoint(i),s=t||(a.isVector2?new U:new W);return s.copy(o).sub(a).normalize(),s}getTangentAt(e,t){let n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t=!1){let n=new W,r=[],i=[],a=[],o=new W,s=new K;for(let t=0;t<=e;t++){let n=t/e;r[t]=this.getTangentAt(n,new W)}i[0]=new W,a[0]=new W;let c=Number.MAX_VALUE,l=Math.abs(r[0].x),u=Math.abs(r[0].y),d=Math.abs(r[0].z);l<=c&&(c=l,n.set(1,0,0)),u<=c&&(c=u,n.set(0,1,0)),d<=c&&n.set(0,0,1),o.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],o),a[0].crossVectors(r[0],i[0]);for(let t=1;t<=e;t++){if(i[t]=i[t-1].clone(),a[t]=a[t-1].clone(),o.crossVectors(r[t-1],r[t]),o.length()>2**-52){o.normalize();let e=Math.acos(V(r[t-1].dot(r[t]),-1,1));i[t].applyMatrix4(s.makeRotationAxis(o,e))}a[t].crossVectors(r[t],i[t])}if(t===!0){let t=Math.acos(V(i[0].dot(i[e]),-1,1));t/=e,r[0].dot(o.crossVectors(i[0],i[e]))>0&&(t=-t);for(let n=1;n<=e;n++)i[n].applyMatrix4(s.makeRotationAxis(r[n],t*n)),a[n].crossVectors(r[n],i[n])}return{tangents:r,normals:i,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.7,type:`Curve`,generator:`Curve.toJSON`}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}},xs=class extends bs{constructor(e=0,t=0,n=1,r=1,i=0,a=Math.PI*2,o=!1,s=0){super(),this.isEllipseCurve=!0,this.type=`EllipseCurve`,this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=r,this.aStartAngle=i,this.aEndAngle=a,this.aClockwise=o,this.aRotation=s}

1getPoint(e,t=new U){let n=t,r=Math.PI*2,i=this.aEndAngle-this.aStartAngle,a=Math.abs(i)<2**-52;for(;i<0;)i+=r;for(;i>r;)i-=r;i<2**-52&&(i=a?0:r),this.aClockwise===!0&&!a&&(i===r?i=-r:i-=r);let o=this.aStartAngle+e*i,s=this.aX+this.xRadius*Math.cos(o),c=this.aY+this.yRadius*Math.sin(o);if(this.aRotation!==0){let e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),n=s-this.aX,r=c-this.aY;s=n*e-r*t+this.aX,c=n*t+r*e+this.aY}return n.set(s,c)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){let e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}},Ss=class extends xs{constructor(e,t,n,r,i,a){super(e,t,n,n,r,i,a),this.isArcCurve=!0,this.type=`ArcCurve`}};function Cs(){let e=0,t=0,n=0,r=0;function i(i,a,o,s){e=i,t=o,n=-3*i+3*a-2*o-s,r=2*i-2*a+o+s}return{initCatmullRom:function(e,t,n,r,a){i(t,n,a*(n-e),a*(r-t))},initNonuniformCatmullRom:function(e,t,n,r,a,o,s){let c=(t-e)/a-(n-e)/(a+o)+(n-t)/o,l=(n-t)/o-(r-t)/(o+s)+(r-n)/s;c*=o,l*=o,i(t,n,c,l)},calc:function(i){let a=i*i,o=a*i;return e+t*i+n*a+r*o}}}var ws=new W,Ts=new W,Es=new Cs,Ds=new Cs,Os=new Cs,ks=class extends bs{constructor(e=[],t=!1,n=`centripetal`,r=.5){super(),this.isCatmullRomCurve3=!0,this.type=`CatmullRomCurve3`,this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new W){let n=t,r=this.points,i=r.length,a=(i-+!this.closed)*e,o=Math.floor(a),s=a-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/i)+1)*i:s===0&&o===i-1&&(o=i-2,s=1);let c,l;this.closed||o>0?c=r[(o-1)%i]:(Ts.subVectors(r[0],r[1]).add(r[0]),c=Ts);let u=r[o%i],d=r[(o+1)%i];if(this.closed||o+2<i?l=r[(o+2)%i]:(ws.subVectors(r[i-1],r[i-2]).add(r[i-1]),l=ws),this.curveType===`centripetal`||this.curveType===`chordal`){let e=this.curveType===`chordal`?.5:.25,t=c.distanceToSquared(u)**+e,n=u.distanceToSquared(d)**+e,r=d.distanceToSquared(l)**+e;n<1e-4&&(n=1),t<1e-4&&(t=n),r<1e-4&&(r=n),Es.initNonuniformCatmullRom(c.x,u.x,d.x,l.x,t,n,r),Ds.initNonuniformCatmullRom(c.y,u.y,d.y,l.y,t,n,r),Os.initNonuniformCatmullRom(c.z,u.z,d.z,l.z,t,n,r)}else this.curveType===`catmullrom`&&(Es.initCatmullRom(c.x,u.x,d.x,l.x,this.tension),Ds.initCatmullRom(c.y,u.y,d.y,l.y,this.tension),Os.initCatmullRom(c.z,u.z,d.z,l.z,this.tension));return n.set(Es.calc(s),Ds.calc(s),Os.calc(s)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(new W().fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}};function As(e,t,n,r,i){let a=(r-t)*.5,o=(i-n)*.5,s=e*e,c=e*s;return(2*n-2*r+a+o)*c+(-3*n+3*r-2*a-o)*s+a*e+n}function js(e,t){let n=1-e;return n*n*t}function Ms(e,t){return 2*(1-e)*e*t}function Ns(e,t){return e*e*t}function Ps(e,t,n,r){return js(e,t)+Ms(e,n)+Ns(e,r)}function Fs(e,t){let n=1-e;return n*n*n*t}function Is(e,t){let n=1-e;return 3*n*n*e*t}function Ls(e,t){return 3*(1-e)*e*e*t}function Rs(e,t){return e*e*e*t}function zs(e,t,n,r,i){return Fs(e,t)+Is(e,n)+Ls(e,r)+Rs(e,i)}var Bs=class extends bs{constructor(e=new U,t=new U,n=new U,r=new U){super(),this.isCubicBezierCurve=!0,this.type=`CubicBezierCurve`,this.v0=e,this.v1=t,this.v2=n,this.v3=r}

1getPoint(e,t=new U){let n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(zs(e,r.x,i.x,a.x,o.x),zs(e,r.y,i.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},Vs=class extends bs{constructor(e=new W,t=new W,n=new W,r=new W){super(),this.isCubicBezierCurve3=!0,this.type=`CubicBezierCurve3`,this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new W){let n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(zs(e,r.x,i.x,a.x,o.x),zs(e,r.y,i.y,a.y,o.y),zs(e,r.z,i.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},Hs=class extends bs{constructor(e=new U,t=new U){super(),this.isLineCurve=!0,this.type=`LineCurve`,this.v1=e,this.v2=t}getPoint(e,t=new U){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new U){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Us=class extends bs{constructor(e=new W,t=new W){super(),this.isLineCurve3=!0,this.type=`LineCurve3`,this.v1=e,this.v2=t}getPoint(e,t=new W){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new W){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Ws=class extends bs{constructor(e=new U,t=new U,n=new U){super(),this.isQuadraticBezierCurve=!0,this.type=`QuadraticBezierCurve`,this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new U){let n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(Ps(e,r.x,i.x,a.x),Ps(e,r.y,i.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Gs=class extends bs{constructor(e=new W,t=new W,n=new W){super(),this.isQuadraticBezierCurve3=!0,this.type=`QuadraticBezierCurve3`,this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new W){let n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(Ps(e,r.x,i.x,a.x),Ps(e,r.y,i.y,a.y),Ps(e,r.z,i.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Ks=class extends bs{constructor(e=[]){super(),this.isSplineCurve=!0,this.type=`SplineCurve`,this.points=e}getPoint(e,t=new U){let n=t,r=this.points,i=(r.length-1)*e,a=Math.floor(i),o=i-a,s=r[a===0?a:a-1],c=r[a],l=r[a>r.length-2?r.length-1:a+1],u=r[a>r.length-3?r.length-1:a+2];return n.set(As(o,s.x,c.x,l.x,u.x),As(o,s.y,c.y,l.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(n.clone())}return this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(new U().fromArray(n))}return this}},qs=Object.freeze({__proto__:null,ArcCurve:Ss,CatmullRomCurve3:ks,CubicBezierCurve:Bs,CubicBezierCurve3:Vs,EllipseCurve:xs,LineCurve:Hs,LineCurve3:Us,QuadraticBezierCurve:Ws,QuadraticBezierCurve3:Gs,SplineCurve:Ks}),Js=class extends bs{constructor(){super(),this.type=`CurvePath`,this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){let e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);if(!e.equals(t)){let n=e.isVector2===!0?`LineCurve`:`LineCurve3`;this.curves.push(new qs[n](t,e))}return this}getPoint(e,t){let n=e*this.getLength(),r=this.getCurveLengths(),i=0;for(;i<r.length;){if(r[i]>=n){let e=r[i]-n,a=this.curves[i],o=a.getLength(),s=o===0?0:1-e/o;return a.getPointAt(s,t)}i++}return null}getLength(){let e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;let e=[],t=0;for(let n=0,r=this.curves.length;n<r;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){let t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){let t=[],n;for(let r=0,i=this.curves;r<i.length;r++){let a=i[r],o=a.isEllipseCurve?e*2:a.isLineCurve||a.isLineCurve3?1:a.isS

1plineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){let r=s[e];n&&n.equals(r)||(t.push(r),n=r)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let n=e.curves[t];this.curves.push(n.clone())}return this.autoClose=e.autoClose,this}toJSON(){let e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){let n=this.curves[t];e.curves.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let n=e.curves[t];this.curves.push(new qs[n.type]().fromJSON(n))}return this}},Ys=class extends Js{constructor(e){super(),this.type=`Path`,this.currentPoint=new U,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return 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e(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}},qc=class e extends Y{constructor(e=1,t=.4,n=64,r=8,i=2,a=3){super(),this.type=`TorusKnotGeometry`,this.parameters={radius:e,tube:t,tubularSegments:n,radialSegments:r,p:i,q:a},n=Math.floor(n),r=Math.floor(r);let o=[],s=[],c=[],l=[],u=new W,d=new W,f=new W,p=new W,m=new W,h=new W,g=new W;for(let o=0;o<=n;++o){let v=o/n*i*Math.PI*2;_(v,i,a,e,f),_(v+.01,i,a,e,p),h.subVectors(p,f),g.addVectors(p,f),m.crossVectors(h,g),g.crossVectors(m,h),m.normalize(),g.normalize();for(let e=0;e<=r;++e){let i=e/r*Math.PI*2,a=-t*Math.cos(i),p=t*Math.sin(i);u.x=f.x+(a*g.x+p*m.x),u.y=f.y+(a*g.y+p*m.y),u.z=f.z+(a*g.z+p*m.z),s.push(u.x,u.y,u.z),d.subVectors(u,f).normalize(),c.push(d.x,d.y,d.z),l.push(o/n),l.push(e/r)}}for(let e=1;e<=n;e++)for(let t=1;t<=r;t++){let n=(r+1)*(e-1)+(t-1),i=(r+1)*e+(t-1),a=(r+1)*e+t,s=(r+1)*(e-1)+t;o.push(n,i,s),o.push(i,a,s)}this.setIndex(o),this.setAttribute(`position`,new J(s,3)),this.setAttribute(`normal`,new 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t=this.camera,n=this.matrix;au.setFromMatrixPosition(e.matrixWorld),t.position.copy(au),ou.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(ou),t.updateMatrixWorld(),iu.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(iu,t.coordinateSystem,t.reversedDepth),t.coordinateSystem===2001||t.reversedDepth?n.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(iu)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.intensity=e.intensity,this.bias=e.bias,this.radius=e.radius,this.autoUpdate=e.autoUpdate,this.needsUpdate=e.needsUpdate,this.normalBias=e.normalBias,this.blurSamples=e.blurSamples,this.mapSize.copy(e.mapSize),this.biasNode=e.biasNode,this}clone(){return new this.constructor().copy(this)}toJSON(){let e={};return this.intensity!==1&&(e.intensity=this.intensity),this.bias!==0&&(e.bias=this.bias),this.normalBias!==0&&(e.normalBias=this.normalBias),this.radius!==1&&(e.radius=this.radius),(this.mapSize.x!==512||this.mapSize.y!==512)&&(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}},cu=new W,lu=new wn,uu=new W,du=class extends xr{constructor(){super(),this.isCamera=!0,this.type=`Camera`,this.matrixWorldInverse=new K,this.projectionMatrix=new K,this.projectionMatrixInverse=new K,this.coordinateSystem=At,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorld.decompose(cu,lu,uu),uu.x===1&&uu.y===1&&uu.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(cu,lu,uu.set(1,1,1)).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorld.decompose(cu,lu,uu),uu.x===1&&uu.y===1&&uu.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(cu,lu,uu.set(1,1,1)).invert()}clone(){return new this.constructor().copy(this)}}

5,fu=new W,pu=new U,mu=new U,hu=class extends du{constructor(e=50,t=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type=`PerspectiveCamera`,this.fov=e,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=tn*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(en*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return tn*2*Math.atan(Math.tan(en*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,n){fu.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(fu.x,fu.y).multiplyScalar(-e/fu.z),fu.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(fu.x,fu.y).multiplyScalar(-e/fu.z)}getViewSize(e,t){return this.getViewBounds(e,pu,mu),t.subVectors(mu,pu)}setViewOffset(e,t,n,r,i,a){this.aspect=e/t,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=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(en*.5*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r,a=this.view;if(this.view!==null&&this.view.enabled){let e=a.fullWidth,o=a.fullHeight;i+=a.offsetX*r/e,t-=a.offsetY*n/o,r*=a.width/e,n*=a.height/o}let o=this.filmOffset;o!==0&&(i+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},gu=class extends su{constructor(){super(new hu(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(e){let t=this.camera,n=tn*2*e.angle*this.focus,r=this.mapSize.width/this.mapSize.height*this.aspect,i=e.distance||t.far;(n!==t.fov||r!==t.aspect||i!==t.far)&&(t.fov=n,t.aspect=r,t.far=i,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}},_u=class extends nu{constructor(e,t,n=0,r=Math.PI/3,i=0,a=2){super(e,t),this.isSpotLight=!0,this.type=`SpotLight`,this.position.copy(xr.DEFAULT_UP),this.updateMatrix(),this.target=new xr,this.distance=n,this.angle=r,this.penumbra=i,this.decay=a,this.map=null,this.shadow=new gu}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.map=e.map,this.shadow=e.shadow.clone(),this}toJSON(e){let t=super.toJSON(e);return t.object.distance=this.distance,t.object.angle=this.angle,t.object.decay=this.decay,t.object.penumbra=this.penumbra,t.object.target=this.target.uuid,this.map&&this.map.isTexture&&(t.object.map=this.map.toJSON(e).uuid),t.object.shadow=this.shadow.toJSON(),t}},vu=class extends su{constructor(){super(new hu(90,1,.5,500)),this.isPointLightShadow=!0}},yu=class extends nu{constructor(e,t,n=0,r=2){super(e,t),this.isPointLight=!0,this.type=`PointLight`,this.distance=n,this.decay=r,this.shadow=new vu}get power(){return this.intensity*4*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}toJSON(e){let t=super.toJSON(e);return t.object.distance=this.distance,t.object.decay=this.decay,t.object.shadow=this.shadow.toJSON(),t}},bu=class extends du{constructor(e=-1,t=1,n=1,r=-1,i=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type=`Orthogra

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0&&(r.allowOverride=e.allowOverride),e.visible!==void 0&&(r.visible=e.visible),e.toneMapped!==void 0&&(r.toneMapped=e.toneMapped),e.userData!==void 0&&(r.userData=e.userData),e.vertexColors!==void 0&&(typeof e.vertexColors==`number`?r.vertexColors=e.vertexColors>0:r.vertexColors=e.vertexColors),e.uniforms!==void 0)for(let t in e.uniforms){let i=e.uniforms[t];switch(r.uniforms[t]={},i.type){case`t`:r.uniforms[t].value=n(i.value);break;case`c`:r.uniforms[t].value=new q().setHex(i.value);break;case`v2`:r.uniforms[t].value=new U().fromArray(i.value);break;case`v3`:r.uniforms[t].value=new W().fromArray(i.value);break;case`v4`:r.uniforms[t].value=new Hn().fromArray(i.value);break;case`m3`:r.uniforms[t].value=new G().fromArray(i.value);break;case`m4`:r.uniforms[t].value=new K().fromArray(i.value);break;default:r.uniforms[t].value=i.value}}if(e.defines!==void 0&&(r.defines=e.defines),e.vertexShader!==void 0&&(r.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(r.fragmentShader=e.fragmentShader),e.glslVersion!==void 0&&(r.glslVersion=e.glslVersion),e.extensions!==void 0)for(let t in e.extensions)r.extensions[t]=e.extensions[t];if(e.lights!==void 0&&(r.lights=e.lights),e.clipping!==void 0&&(r.clipping=e.clipping),e.size!==void 0&&(r.size=e.size),e.sizeAttenuation!==void 0&&(r.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(r.map=n(e.map)),e.matcap!==void 0&&(r.matcap=n(e.matcap)),e.alphaMap!==void 0&&(r.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(r.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(r.bumpScale=e.bumpScale),e.normalMap!==void 0&&(r.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(r.normalMapType=e.normalMapType),e.normalScale!==void 0){let t=e.normalScale;Array.isArray(t)===!1&&(t=[t,t]),r.normalScale=new U().fromArray(t)}return e.displacementMap!==void 0&&(r.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(r.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(r.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(r.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(r.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(r.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(r.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(r.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(r.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(r.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(r.envMap=n(e.envMap)),e.envMapRotation!==void 0&&r.envMapRotation.fromArray(e.envMapRotation),e.envMapIntensity!==void 0&&(r.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(r.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(r.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(r.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(r.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(r.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(r.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(r.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(r.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 0&&(r.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),e.clearcoatNormalMap!==void 0&&(r.clearcoatNormalMap=n(e.clearcoatNormalMap)),e.clearcoatNormalScale!==void 0&&(r.clearcoatNormalScale=new U().fromArray(e.clearcoatNormalScale)),e.iridescenceMap!==void 0&&(r.iridescenceMap=n(e.iridescenceMap)),e.iridescenceThicknessMap!==void 0&&(r.iridescenceThicknessMap=n(e.iridescenceThicknessMap)),e.transmissionMap!==void 0&&(r.transmissionMap=n(e.transmissionMap)),e.thicknessMap!==void 0&&(r.thicknessMap=n(e.thicknessMap)),e.anisotropyMap!==void 0&&(r.anisotropyMap=n(e.anisotropyMap)),e.sheenColorMap!==void 0&&(r.sheenColorMap=n(e.sheenColorMap)),e.sheenRoughnessMap!==void 0&&(r.sheenRoughnessMap=n(e.sheenRoughnessMap)),r}setTextures(e){return this.textures=e,this}createMaterialFromType(t){return e.createMaterialFromType(t)}static createMaterialFromType(e){return new{ShadowMaterial:Qc,SpriteMaterial:Vi,RawShaderMaterial:cl,ShaderMaterial:sl,PointsMaterial:Uo,MeshPhysicalMaterial:ul,MeshStandardMaterial:ll,MeshPhongMaterial:dl,MeshToonMaterial:fl,MeshNormalMaterial:pl,MeshLambertMaterial:ml,MeshDepthMaterial:hl,MeshDistanceMaterial:gl,MeshBasicMaterial:ma,MeshMatcapMaterial:_l,LineDashedMaterial:vl,LineBasicMaterial:ko,Material:Bi}[e]}},Ou=class{static extractUrlBase(e){let t=e.lastIndexOf(`/`);return t===-1?`./`:e.slice(0,t+1)}static resolveURL(e,t){return typeof e!=`string`||e===``?``:(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^\/]+).*/i,`$1`)),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e)?e:t+e)}},ku=class extends Y{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type=`InstancedBufferGeometry`,this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}toJSON(){let e=super.toJSON();return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}},Au=class extends Gl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=new Jl(i.manager);a.setPath(i.path),a.setRequestHeader(i.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(n){try{t(i.parse(JSON.parse(n)))}catch(t){r?r(t):B(t),i.manager.itemError(e)}},n,r)}parse(e){let t={},n={};function r(e,n){if(t[n]!==void 0)return t[n];let r=e.interleavedBuffers[n],a=i(e,r.buffer),o=new Ii(Rt(r.type,a),r.stride);return o.uuid=r.uuid,t[n]=o,o}function i(e,t){if(n[t]!==void 0)return n[t];let r=e.arrayBuffers[t],i=new Uint32Array(r).buffer;return n[t]=i,i}let a=e.isInstancedBufferGeometry?new ku:new Y,o=e.data.index;if(o!==void 0){let e=Rt(o.type,o.array);a.setIndex(new gi(e,1))}let s=e.data.attributes;for(let t in s){let n=s[t],i;if(n.isInterleavedBufferAttribute)i=new Ri(r(e.data,n.data),n.itemSize,n.offset,n.normalized);else{let e=Rt(n.type,n.array);i=new(n.isInstancedBufferAttribute?Ua:gi)(e,n.itemSize,n.normalized)}n.name!==void 0&&(i.name=n.name),n.usage!==void 0&&i.setUsage(n.usage),a.setAttribute(t,i)}let c=e.data.morphAttributes;if(c)for(let t in c){let n=c[t],i=[];for(let t=0,a=n.length;t<a;t++){let a=n[t],o;o=a.isInterleavedBufferAttribute?new Ri(r(e.data,a.data),a.itemSize,a.offset,a.normalized):new gi(Rt(a.type,a.array),a.itemSize,a.normalized),a.name!==void 0&&(o.name=a.name),i.push(o)}a.morphAttributes[t]=i}e.data.morphTargetsRelative&&(a.morphTargetsRelative=!0);let l=e.data.groups||e.data.drawcalls||e.data.offsets;if(l!==void 0)for(let e=0,t=l.length;e!==t;++e){let t=l[e];a.addGroup(t.start,t.count,t.materialIndex)}let u=e.data.boundingSphere;return u!==void 0&&(a.boundingSphere=new Oi().fromJSON(u)),e.name&&(a.name=e.name),e.userData&&(a.userData=e.userData),a}},ju={},Mu=class extends Gl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=this.path===``?Ou.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;let o=new Jl(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(n){let a=null;try{a=JSON.parse(n)}catch(t){r!==void 0&&r(t),B(`ObjectLoader: Can't parse `+e+`.`,t.message);return}let o=a.metadata;if(o===void 0||o.type===void 0||o.type.toLowerCase()===`geometry`){r!==void 0&&r(Error(`THREE.ObjectLoader: Can't load `+e)),B(`ObjectLoader: Can't load `+e);return}i.parse(a,t)},n,r)}async loadAsync(e,t){let n=this,r=this.path===``?Ou.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||r;let i=new Jl(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials);let a=await i.loadAsync(e,t),o;try{o=JSON.parse(a)}catch(t){throw Error(`ObjectLoader: Can't parse `+e+`. `+t.message)}let s=o.metadata;if(s===void 0||s.type===void 0||s.type.toLowerCase()===`geometry`)throw Error(`THREE.ObjectLoader: Can't load `+e);return await n.parseAsync(o)}parse(e,t){let n=this.parseAnimations(e.animations),r=this.parseShapes(e.shapes),i=this.parseGeometries(e.geometries,r),a=this.parseImages(e.images,function(){t!==void 0&&t(c)}),o=this.parseTextures(e.textures,a),s=this.parseMaterials(e.materials,o),c=this.parseObject(e.object,i,s,o,n),l=this.parseSkeletons(e.skeletons,c);if(this.bindSkeletons(c,l),this.bindLightTargets(c),t!==void 0){let e=!1;for(let t in a)if(a[t].data instanceof HTMLImageElement){e=!0;break}e===!1&&t(c)}return c}async parseAsync(e){let t=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,n),i=await this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,i),o=this.parseMaterials(e.materials,a),s=this.parseObject(e.object,r,o,a,t),c=this.parseSkeletons(e.skeletons,s);return this.bindSkeletons(s,c),this.bindLightTargets(s),s}static registerGeometry(e,t){ju[e]=t}parseShapes(e){let t={};if(e!==void 0)for(let n=0,r=e.length;n<r;n++){let r=new Xs().fromJSON(e[n]);t[r.uuid]=r}return t}parseSkeletons(e,t){let n={},r={};if(t.traverse(function(e){e.isBone&&(r[e.uuid]=e)}),e!==void 0)for(let t=0,i=e.length;t<i;t++){let i=new Ha().fromJSON(e[t],r);n[i.uuid]=i}return n}parseGeometries(e,t){let n={};if(e!==void 0){let r=new Au;for(let i=0,a=e.length;i<a;i++){let a,o=e[i];switch(o.type){case`BufferGeometry`:case`InstancedBufferGeometry`:a=r.parse(o);break;default:o.type in Zc?a=Zc[o.type].fromJSON(o,t):o.type in ju?a=ju[o.type].fromJSON(o,t):z(`ObjectLoader: Unknown geometry type "${o.type}". Use .registerGeometry() before starting the deserialization process.`)}a.uuid=o.uuid,o.name!==void 0&&(a.name=o.name),o.userData!==void 0&&(a.userData=o.userData),n[o.uuid]=a}}return n}parseMaterials(e,t){let n={},r={};if(e!==void 0){let i=new Du;i.setTextures(t);for(let t=0,a=e.length;t<a;t++){let a=e[t];n[a.uuid]===void 0&&(n[a.uuid]=i.parse(a)),r[a.uuid]=n[a.uuid]}}return r}parseAnimations(e){let t={};if(e!==void 0)for(let n=0;n<e.length;n++){let r=e[n],i=Z.parse(r);t[i.uuid]=i}return t}parseImages(e,t){let n=this,r={},i;function a(e){return n.manager.itemStart(e),i.load(e,function(){n.manager.itemEnd(e)},void 0,function(){n.manager.itemError(e),n.manager.itemEnd(e)})}function o(e){if(typeof e==`string`){let t=e;return a(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(t)?t:n.resourcePath+t)}else if(e.data)return{data:Rt(e.type,e.data),width:e.width,height:e.height};else return null}if(e!==void 0&&e.length>0){i=new Ql(new Ul(t)),i.setCrossOrigin(this.crossOrigin);for(let t=0,n=e.length;t<n;t++){let n=e[t],i=n.url;if(Array.isArray(i)){let e=[];for(let t=0,n=i.length;t<n;t++){let n=i[t],r=o(n);r!==null&&(r instanceof HTMLImageElement?e.push(r):e.push(new Ba(r.data,r.width,r.height)))}r[n.uuid]=new Ln(e)}else{let e=o(n.url);r[n.uuid]=new Ln(e)}}}return r}async parseImagesAsync(e){let t=this,n={},r;async function i(e){if(typeof e==`string`){let n=e,i=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(n)?n:t.resourcePath+n;return await r.loadAsync(i)}else if(e.data)return{data:Rt(e.type,e.data),width:e.width,height:e.height};else return null}if(e!==void 0&&e.length>0){r=new Ql(this.manager),r.setCrossOrigin(this.crossOrigin);for(let t=0,r=e.length;t<r;t++){let r=e[t],a=r.url;if(Array.isArray(a)){let e=[];for(let t=0,n=a.length;t<n;t++){let n=a[t],r=await i(n);r!==null&&(r instanceof HTMLImageElement?e.push(r):e.push(new Ba(r.data,r.width,r.height)))}n[r.uuid]=new Ln(e)}else{let e=await i(r.url);n[r.uuid]=new Ln(e)}}}return n}parseTextures(e,t){function n(e,t){return typeof e==`number`?e:(z(`ObjectLoader.parseTexture: Constant should be in numeric form.`,e),t[e])}let r={};if(e!==void 0)for(let i=0,a=e.length;i<a;i++){let a=e[i];a.image===void 0&&z(`ObjectLoader: No "image" specified for`,a.uuid),t[a.image]===void 0&&z(`ObjectLoader: Undefined image`,a.image);let o=t[a.image],s=o.data,c;Array.isArray(s)?(c=new ns,s.length===6&&(c.needsUpdate=!0)):(c=s&&s.data?new Ba:new Vn,s&&(c.needsUpdate=!0)),c.source=o,c.uuid=a.uuid,a.name!==void 0&&(c.name=a.name),a.mapping!==void 0&&(c.mapping=n(a.mapping,Nu)),a.channel!==void 0&&(c.channel=a.channel),a.offset!==void 0&&c.offset.fromArray(a.offset),a.repeat!==void 0&&c.repeat.fromArray(a.repeat),a.center!==void 0&&c.center.fromArray(a.center),a.rotation!==void 0&&(c.rotation=a.rotation),a.wrap!==void 0&&(c.wrapS=n(a.wrap[0],Pu),c.wrapT=n(a.wrap[1],Pu)),a.format!==void 0&&(c.format=a.format),a.internalFormat!==void 0&&(c.internalFormat=a.internalFormat),a.type!==void 0&&(c.type=a.type),a.colorSpace!==void 0&&(c.colorSpace=a.colorSpace),a.minFilter!==void 0&&(c.minFilter=n(a.minFilter,Fu)),a.magFilter!==void 0&&(c.magFilter=n(a.magFilter,Fu)),a.anisotropy!==void 0&&(c.anisotropy=a.anisotropy),a.flipY!==void 0&&(c.flipY=a.flipY),a.generateMipmaps!==void 0&&(c.generateMipmaps=a.generateMipmaps),a.premultiplyAlpha!==void 0&&(c.premultiplyAlpha=a.premultiplyAlpha),a.unpackAlignment!==void 0&&(c.unpackAlignment=a.unpackAlignment),a.compareFunction!==void 0&&(c.compareFunction=a.compareFunction),a.normalized!==void 0&&(c.normalized=a.normalized),a.userData!==void 0&&(c.userData=a.userData),r[a.uuid]=c}return r}parseObject(e,t,n,r,i){let a;function o(e){return t[e]===void 0&&z(`ObjectLoader: Undefined geometry`,e),t[e]}function s(e){if(e!==void 0){if(Array.isArray(e)){let t=[];for(let r=0,i=e.length;r<i;r++){let i=e[r];n[i]===void 0&&z(`ObjectLoader: Undefined material`,i),t.push(n[i])}return t}return n[e]===void 0&&z(`ObjectLoader: Undefined material`,e),n[e]}}function c(e){return r[e]===void 0&&z(`ObjectLoader: Undefined texture`,e),r[e]}let l,u;switch(e.type){case`Scene`:a=new Mr,e.background!==void 0&&(Number.isInteger(e.background)?a.background=new q(e.background):a.background=c(e.background)),e.environment!==void 0&&(a.environment=c(e.environment)),e.fog!==void 0&&(e.fog.type===`Fog`?a.fog=new jr(e.fog.color,e.fog.near,e.fog.far):e.fog.type===`FogExp2`&&(a.fog=new Ar(e.fog.color,e.fog.density)),e.fog.name!==``&&(a.fog.name=e.fog.name)),e.backgroundBlurriness!==void 0&&(a.backgroundBlurriness=e.backgroundBlurriness),e.backgroundIntensity!==void 0&&(a.backgroundIntensity=e.backgroundIntensity),e.backgroundRotation!==void 0&&a.backgroundRotation.fromArray(e.backgroundRotation),e.environmentIntensity!==void 0&&(a.environmentIntensity=e.environmentIntensity),e.environmentRotation!==void 0&&a.environmentRotation.fromArray(e.environmentRotation);break;case`PerspectiveCamera`:a=new hu(e.fov,e.aspect,e.near,e.far),e.focus!==void 0&&(a.focus=e.focus),e.zoom!==void 0&&(a.zoom=e.zoom),e.filmGauge!==void 0&&(a.filmGauge=e.filmGauge),e.filmOffset!==void 0&&(a.filmOffset=e.filmOffset),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case`OrthographicCamera`:a=new bu(e.left,e.right,e.top,e.bottom,e.near,e.far),e.zoom!==void 0&&(a.zoom=e.zoom),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case`AmbientLight`:a=new Cu(e.color,e.intensity);break;case`DirectionalLight`:a=new Su(e.color,e.intensity),a.target=e.target||``;break;case`PointLight`:a=new yu(e.color,e.intensity,e.distance,e.decay);break;case`RectAreaLight`:a=new wu(e.color,e.intensity,e.width,e.height);break;case`SpotLight`:a=new _u(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay),a.target=e.target||``;break;case`HemisphereLight`:a=new ru(e.color,e.groundColor,e.intensity);break;case`LightProbe`:a=new Eu(new Tu().fromArray(e.sh),e.intensity);break;case`SkinnedMesh`:l=o(e.geometry),u=s(e.material),a=new Ra(l,u),e.bindMode!==void 0&&(a.bindMode=e.bindMode),e.bindMatrix!==void 0&&a.bindMatrix.fromArray(e.bindMatrix),e.skeleton!==void 0&&(a.skeleton=e.skeleton);break;case`Mesh`:l=o(e.geometry),u=s(e.material),a=new Ea(l,u);break;case`InstancedMesh`:l=o(e.geometry),u=s(e.material);let t=e.count,n=e.instanceMatrix,r=e.instanceColor;a=new Za(l,u,t),a.instanceMatrix=new Ua(new Float32Array(n.array),16),r!==void 0&&(a.instanceColor=new Ua(new Float32Array(r.array),r.itemSize));break;case`BatchedMesh`:l=o(e.geometry),u=s(e.material),a=new Oo(e.maxInstanceCount,e.maxVertexCount,e.maxIndexCount,u),a.geometry=l,a.perObjectFrustumCulled=e.perObjectFrustumCulled,a.sortObjects=e.sortObjects,a._drawRanges=e.drawRanges,a._reservedRanges=e.reservedRanges,a._geometryInfo=e.geometryInfo.map(e=>{let t=null,n=null;return e.boundingBox!==void 0&&(t=new qr().fromJSON(e.boundingBox)),e.boundingSphere!==void 0&&(n=new Oi().fromJSON(e.boundingSphere)),{...e,boundingBox:t,boundingSphere:n}}),a._instanceInfo=e.instanceInfo,a._availableInstanceIds=e._availableInstanceIds,a._availableGeometryIds=e._availableGeometryIds,a._nextIndexStart=e.nextIndexStart,a._nextVertexStart=e.nextVertexStart,a._geometryCount=e.geometryCount,a._maxInstanceCount=e.maxInstanceCount,a._maxVertexCount=e.maxVertexCount,a._maxIndexCount=e.maxIndexCount,a._geometryInitialized=e.geometryInitialized,a._matricesTexture=c(e.matricesTexture.uuid),a._indirectTexture=c(e.indirectTexture.uuid),e.colorsTexture!==void 0&&(a._colorsTexture=c(e.colorsTexture.uuid)),e.boundingSphere!==void 0&&(a.boundingSphere=new Oi().fromJSON(e.boundingSphere)),e.boundingBox!==void 0&&(a.boundingBox=new qr().fromJSON(e.boundingBox));break;case`LOD`:a=new aa;break;case`Line`:a=new Lo(o(e.geometry),s(e.material));break;case`LineLoop`:a=new Ho(o(e.geometry),s(e.material));break;case`LineSegments`:a=new Vo(o(e.geometry),s(e.material));break;case`PointCloud`:case`Points`:a=new Jo(o(e.geometry),s(e.material));break;case`Sprite`:a=new ta(s(e.material));break;case`Group`:a=new Sr;break;case`Bone`:a=new za;break;default:a=new xr}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix===void 0?(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)):(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)),e.up!==void 0&&a.up.fromArray(e.up),e.pivot!==void 0&&(a.pivot=new W().fromArray(e.pivot)),e.morphTargetDictionary!==void 0&&(a.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),e.morphTargetInfluences!==void 0&&(a.morphTargetInfluences=e.morphTargetInfluences.slice()),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.intensity!==void 0&&(a.shadow.intensity=e.shadow.intensity),e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.static!==void 0&&(a.static=e.static),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let o=e.children;for(let e=0;e<o.length;e++)a.add(this.parseObject(o[e],t,n,r,i))}if(e.animations!==void 0){let t=e.animations;for(let e=0;e<t.length;e++){let n=t[e];a.animations.push(i[n])}}if(e.type===`LOD`){e.autoUpdate!==void 0&&(a.autoUpdate=e.autoUpdate);let t=e.levels;for(let e=0;e<t.length;e++){let n=t[e],r=a.getObjectByProperty(`uuid`,n.object);r!==void 0&&a.addLevel(r,n.distance,n.hysteresis)}}return a}bindSkeletons(e,t){Object.keys(t).length!==0&&e.traverse(function(e){if(e.isSkinnedMesh===!0&&e.skeleton!==void 0){let n=t[e.skeleton];n===void 0?z(`ObjectLoader: No skeleton found with UUID:`,e.skeleton):e.bind(n,e.bindMatrix)}})}bindLightTargets(e){e.traverse(function(t){if(t.isDirectionalLight||t.isSpotLight){let n=t.target,r=e.getObjectByProperty(`uuid`,n);r===void 0?t.target=new xr:t.target=r}})}},Nu={UVMapping:300,CubeReflectionMapping:301,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},Pu={RepeatWrapping:p,ClampToEdgeWrapping:m,MirroredRepeatWrapping:h},Fu={NearestFilter:g,NearestMipmapNearestFilter:_,NearestMipmapLinearFilter:y,LinearFilter:x,LinearMipmapNearestFilter:S,LinearMipmapLinearFilter:w},Iu=new WeakMap,Lu=class extends Gl{constructor(e){super(e),this.isImageBitmapLoader=!0,typeof createImageBitmap>`u`&&z(`ImageBitmapLoader: createImageBitmap() not supported.`),typeof fetch>`u`&&z(`ImageBitmapLoader: fetch() not supported.`),this.options={premultiplyAlpha:`none`},this._abortController=new AbortController}setOptions(e){return this.options=e,this}load(e,t,n,r){e===void 0&&(e=``),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);let i=this,a=Vl.get(`image-bitmap:${e}`);if(a!==void 0){if(i.manager.itemStart(e),a.then){a.then(n=>{Iu.has(a)===!0?(r&&r(Iu.get(a)),i.manager.itemError(e),i.manager.itemEnd(e)):(t&&t(n),i.manager.itemEnd(e))});return}setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0);return}let o={};o.credentials=this.crossOrigin===`anonymous`?`same-origin`:`include`,o.headers=this.requestHeader,o.signal=typeof AbortSignal.any==`function`?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;let s=fetch(e,o).then(function(e){return e.blob()}).then(function(e){return createImageBitmap(e,Object.assign(i.options,{colorSpaceConversion:`none`}))}).then(function(n){Vl.add(`image-bitmap:${e}`,n),t&&t(n),i.manager.itemEnd(e)}).catch(function(t){r&&r(t),Iu.set(s,t),Vl.remove(`image-bitmap:${e}`),i.manager.itemError(e),i.manager.itemEnd(e)});Vl.add(`image-bitmap:${e}`,s),i.manager.itemStart(e)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}},Ru,zu=class{static getContext(){return Ru===void 0&&(Ru=new(window.AudioContext||window.webkitAudioContext)),Ru}static setContext(e){Ru=e}},Bu=class extends Gl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=new Jl(this.manager);a.setResponseType(`arraybuffer`),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(n){try{let r=n.slice(0),a=zu.getContext(),s=e+`#decode`;i.manager.itemStart(s),a.decodeAudioData(r,function(e){t(e),i.manager.itemEnd(s)}).catch(function(e){o(e),i.manager.itemEnd(s)})}catch(e){o(e)}},n,r);function o(t){r?r(t):B(t),i.manager.itemError(e)}}},Vu=new K,Hu=new K,Uu=new K,Wu=class{constructor(){this.type=`StereoCamera`,this.aspect=1,this.eyeSep=.064,this.cameraL=new hu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new hu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Uu.copy(e.projectionMatrix);let n=t.eyeSep/2,r=n*t.near/t.focus,i=t.near*Math.tan(en*t.fov*.5)/t.zoom,a,o;Hu.elements[12]=-n,Vu.elements[12]=n,a=-i*t.aspect+r,o=i*t.aspect+r,Uu.elements[0]=2*t.near/(o-a),Uu.elements[8]=(o+a)/(o-a),this.cameraL.projectionMatrix.copy(Uu),a=-i*t.aspect-r,o=i*t.aspect-r,Uu.elements[0]=2*t.near/(o-a),Uu.elements[8]=(o+a)/(o-a),this.cameraR.projectionMatrix.copy(Uu)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Hu),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Vu)}},Gu=-90,Ku=1,qu=class extends xr{constructor(e,t,n){super(),this.type=`CubeCamera`,this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;let r=new hu(Gu,Ku,e,t);r.layers=this.layers,this.add(r);let i=new hu(Gu,Ku,e,t);i.layers=this.layers,this.add(i);let a=new hu(Gu,Ku,e,t);a.layers=this.layers,this.add(a);let o=new hu(Gu,Ku,e,t);o.layers=this.layers,this.add(o);let s=new hu(Gu,Ku,e,t);s.layers=this.layers,this.add(s);let c=new hu(Gu,Ku,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[n,r,i,a,o,s]=t;for(let e of t)this.remove(e);if(e===2e3)n.up.set(0,1,0),n.lookAt(1,0,0),r.up.set(0,1,0),r.lookAt(-1,0,0),i.up.set(0,0,-1),i.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),s.up.set(0,1,0),s.lookAt(0,0,-1);else if(e===2001)n.up.set(0,-1,0),n.lookAt(-1,0,0),r.up.set(0,-1,0),r.lookAt(1,0,0),i.up.set(0,0,1),i.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),s.up.set(0,-1,0),s.lookAt(0,0,-1);else throw Error(`THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: `+e);for(let e of t)this.add(e),e.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();let{renderTarget:n,activeMipmapLevel:r}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());let[i,a,o,s,c,l]=this.children,u=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),p=e.xr.enabled;e.xr.enabled=!1;let m=n.texture.generateMipmaps;n.texture.generateMipmaps=!1;let h=!1;h=e.isWebGLRenderer===!0?e.state.buffers.depth.getReversed():e.reversedDepthBuffer,e.setRenderTarget(n,0,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,i),e.setRenderTarget(n,1,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,a),e.setRenderTarget(n,2,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,o),e.setRenderTarget(n,3,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,s),e.setRenderTarget(n,4,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,c),n.texture.generateMipmaps=m,e.setRenderTarget(n,5,r),h&&e.autoClear===!1&&e.clearDepth(),e.render(t,l),e.setRenderTarget(u,d,f),e.xr.enabled=p,n.texture.needsPMREMUpdate=!0}},Ju=class extends hu{constructor(e=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=e}},Yu=class{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(e){this._document=e,e.hidden!==void 0&&(this._pageVisibilityHandler=Xu.bind(this),e.addEventListener(`visibilitychange`,this._pageVisibilityHandler,!1))}disconnect(){this._pageVisibilityHandler!==null&&(this._document.removeEventListener(`visibilitychange`,this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(e){return this._timescale=e,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(e){return this._pageVisibilityHandler!==null&&this._document.hidden===!0?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(e===void 0?performance.now():e)-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}};function Xu(){this._document.hidden===!1&&this.reset()}var Zu=new W,Qu=new wn,$u=new W,ed=new W,td=new W,nd=class extends xr{constructor(){super(),this.type=`AudioListener`,this.context=zu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new Yu}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter===null?this.gain.disconnect(this.context.destination):(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e),this._timer.update();let t=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Zu,Qu,$u),ed.set(0,0,-1).applyQuaternion(Qu),td.set(0,1,0).applyQuaternion(Qu),t.positionX){let e=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Zu.x,e),t.positionY.linearRampToValueAtTime(Zu.y,e),t.positionZ.linearRampToValueAtTime(Zu.z,e),t.forwardX.linearRampToValueAtTime(ed.x,e),t.forwardY.linearRampToValueAtTime(ed.y,e),t.forwardZ.linearRampToValueAtTime(ed.z,e),t.upX.linearRampToValueAtTime(td.x,e),t.upY.linearRampToValueAtTime(td.y,e),t.upZ.linearRampToValueAtTime(td.z,e)}else t.setPosition(Zu.x,Zu.y,Zu.z),t.setOrientation(ed.x,ed.y,ed.z,td.x,td.y,td.z)}},rd=class extends xr{constructor(e){super(),this.type=`Audio`,this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType=`empty`,this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType=`audioNode`,this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType=`mediaNode`,this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType=`mediaStreamNode`,this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType=`buffer`,this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){z(`Audio: Audio is already playing.`);return}if(this.hasPlaybackControl===!1){z(`Audio: this Audio has no playback control.`);return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){z(`Audio: this Audio has no playback control.`);return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress%=this.duration||this.buffer.duration),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){z(`Audio: this Audio has no playback control.`);return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this._connected!==!1){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(e){return e||=[],this._connected===!0?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){return this.detune=e,this.isPlaying===!0&&this.source.detune!==void 0&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(this.hasPlaybackControl===!1){z(`Audio: this Audio has no playback control.`);return}return this.playbackRate=e,this.isPlaying===!0&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return this.hasPlaybackControl===!1?(z(`Audio: this Audio has no playback control.`),!1):this.loop}setLoop(e){if(this.hasPlaybackControl===!1){z(`Audio: this Audio has no playback control.`);return}return this.loop=e,this.isPlaying===!0&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}copy(e,t){return super.copy(e,t),e.sourceType===`buffer`?(this.autoplay=e.autoplay,this.buffer=e.buffer,this.detune=e.detune,this.loop=e.loop,this.loopStart=e.loopStart,this.loopEnd=e.loopEnd,this.offset=e.offset,this.duration=e.duration,this.playbackRate=e.playbackRate,this.hasPlaybackControl=e.hasPlaybackControl,this.sourceType=e.sourceType,this.filters=e.filters.slice(),this):(z(`Audio: Audio source type cannot be copied.`),this)}clone(e){return new this.constructor(this.listener).copy(this,e)}},id=new W,ad=new wn,od=new W,sd=new W,cd=class extends rd{constructor(e){super(e),this.panner=this.context.createPanner(),this.panner.panningModel=`HRTF`,this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,n){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=n,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),this.hasPlaybackControl===!0&&this.isPlaying===!1)return;this.matrixWorld.decompose(id,ad,od),sd.set(0,0,1).applyQuaternion(ad);let t=this.panner;if(t.positionX){let e=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(id.x,e),t.positionY.linearRampToValueAtTime(id.y,e),t.positionZ.linearRampToValueAtTime(id.z,e),t.orientationX.linearRampToValueAtTime(sd.x,e),t.orientationY.linearRampToValueAtTime(sd.y,e),t.orientationZ.linearRampToValueAtTime(sd.z,e)}else t.setPosition(id.x,id.y,id.z),t.setOrientation(sd.x,sd.y,sd.z)}},ld=class{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0,t=this.getFrequencyData();for(let n=0;n<t.length;n++)e+=t[n];return e/t.length}},ud=class{constructor(e,t,n){this.binding=e,this.valueSize=n;let r,i,a;switch(t){case`quaternion`:r=this._slerp,i=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(n*6),this._workIndex=5;break;case`string`:case`bool`:r=this._select,i=this._select,a=this._setAdditiveIdentityOther,this.buffer=Array(n*5);break;default:r=this._lerp,i=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(n*5)}this._mixBufferRegion=r,this._mixBufferRegionAdditive=i,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){let n=this.buffer,r=this.valueSize,i=e*r+r,a=this.cumulativeWeight;if(a===0){for(let e=0;e!==r;++e)n[i+e]=n[e];a=t}else{a+=t;let e=t/a;this._mixBufferRegion(n,i,0,e,r)}this.cumulativeWeight=a}accumulateAdditive(e){let t=this.buffer,n=this.valueSize,r=n*this._addIndex;this.cumulativeWeightAdditive===0&&this._setIdentity(),this._mixBufferRegionAdditive(t,r,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){let t=this.valueSize,n=this.buffer,r=e*t+t,i=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,i<1){let e=t*this._origIndex;this._mixBufferRegion(n,r,e,1-i,t)}a>0&&this._mixBufferRegionAdditive(n,r,this._addIndex*t,1,t);for(let e=t,i=t+t;e!==i;++e)if(n[e]!==n[e+t]){o.setValue(n,r);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,r=n*this._origIndex;e.getValue(t,r);for(let e=n,i=r;e!==i;++e)t[e]=t[r+e%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;

5for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){let e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,r,i){if(r>=.5)for(let r=0;r!==i;++r)e[t+r]=e[n+r]}_slerp(e,t,n,r){wn.slerpFlat(e,t,e,t,e,n,r)}_slerpAdditive(e,t,n,r,i){let a=this._workIndex*i;wn.multiplyQuaternionsFlat(e,a,e,t,e,n),wn.slerpFlat(e,t,e,t,e,a,r)}_lerp(e,t,n,r,i){let a=1-r;for(let o=0;o!==i;++o){let i=t+o;e[i]=e[i]*a+e[n+o]*r}}_lerpAdditive(e,t,n,r,i){for(let a=0;a!==i;++a){let i=t+a;e[i]=e[i]+e[n+a]*r}}},dd=`\\[\\]\\.:\\/`,fd=RegExp(`[\\[\\]\\.:\\/]`,`g`),pd=`[^\\[\\]\\.:\\/]`,md=`[^`+dd.replace(`\\.`,``)+`]`,hd=`((?:WC+[\\/:])*)`.replace(`WC`,pd),gd=`(WCOD+)?`.replace(`WCOD`,md),_d=`(?:\\.(WC+)(?:\\[(.+)\\])?)?`.replace(`WC`,pd),vd=`\\.(WC+)(?:\\[(.+)\\])?`.replace(`WC`,pd),yd=RegExp(`^`+hd+gd+_d+vd+`$`),bd=[`material`,`materials`,`bones`,`map`],xd=class{constructor(e,t,n){let r=n||Sd.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,r)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,r=this._bindings[n];r!==void 0&&r.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let r=this._targetGroup.nCachedObjects_,i=n.length;r!==i;++r)n[r].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Sd=class e{constructor(t,n,r){this.path=n,this.parsedPath=r||e.parseTrackName(n),this.node=e.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,n,r){return t&&t.isAnimationObjectGroup?new e.Composite(t,n,r):new e(t,n,r)}static sanitizeNodeName(e){return e.replace(/\s/g,`_`).replace(fd,``)}static parseTrackName(e){let t=yd.exec(e);if(t===null)throw Error(`PropertyBinding: Cannot parse trackName: `+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},r=n.nodeName&&n.nodeName.lastIndexOf(`.`);if(r!==void 0&&r!==-1){let e=n.nodeName.substring(r+1);bd.indexOf(e)!==-1&&(n.nodeName=n.nodeName.substring(0,r),n.objectName=e)}if(n.propertyName===null||n.propertyName.length===0)throw Error(`PropertyBinding: can not parse propertyName from trackName: `+e);return n}static findNode(e,t){if(t===void 0||t===``||t===`.`||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(e){for(let r=0;r<e.length;r++){let i=e[r];if(i.name===t||i.uuid===t)return i;let a=n(i.children);if(a)return a}return null},r=n(e.children);if(r)return r}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)e[t++]=n[r]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++]}_setValue_array_setNeedsUpdate(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}

5_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let t=this.node,n=this.parsedPath,r=n.objectName,i=n.propertyName,a=n.propertyIndex;if(t||(t=e.findNode(this.rootNode,n.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t){z(`PropertyBinding: No target node found for track: `+this.path+`.`);return}if(r){let e=n.objectIndex;switch(r){case`materials`:if(!t.material){B(`PropertyBinding: Can not bind to material as node does not have a material.`,this);return}if(!t.material.materials){B(`PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.`,this);return}t=t.material.materials;break;case`bones`:if(!t.skeleton){B(`PropertyBinding: Can not bind to bones as node does not have a skeleton.`,this);return}t=t.skeleton.bones;for(let n=0;n<t.length;n++)if(t[n].name===e){e=n;break}break;case`map`:if(`map`in t){t=t.map;break}if(!t.material){B(`PropertyBinding: Can not bind to material as node does not have a material.`,this);return}if(!t.material.map){B(`PropertyBinding: Can not bind to material.map as node.material does not have a map.`,this);return}t=t.material.map;break;default:if(t[r]===void 0){B(`PropertyBinding: Can not bind to objectName of node undefined.`,this);return}t=t[r]}if(e!==void 0){if(t[e]===void 0){B(`PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.`,this,t);return}t=t[e]}}let o=t[i];if(o===void 0){let e=n.nodeName;B(`PropertyBinding: Trying to update property for track: `+e+`.`+i+` but it wasn't found.`,t);return}let s=this.Versioning.None;this.targetObject=t,t.isMaterial===!0?s=this.Versioning.NeedsUpdate:t.isObject3D===!0&&(s=this.Versioning.MatrixWorldNeedsUpdate);let c=this.BindingType.Direct;if(a!==void 0){if(i===`morphTargetInfluences`){if(!t.geometry){B(`PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.`,this);return}if(!t.geometry.morphAttributes){B(`PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.`,this);return}t.morphTargetDictionary[a]!==void 0&&(a=t.morphTargetDictionary[a])}c=this.BindingType.ArrayElement,this.resolvedProperty=o,this.propertyIndex=a}else o.fromArray!==void 0&&o.toArray!==void 0?(c=this.BindingType.HasFromToArray,this.resolvedProperty=o):Array.isArray(o)?(c=this.BindingType.EntireArray,this.resolvedProperty=o):this.propertyName=i;this.getValue=this.GetterByBindingType[c],this.setValue=this.SetterByBindingTypeAndVersioning[c][s]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}};Sd.Composite=xd,Sd.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},Sd.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},Sd.prototype.GetterByBindingType=[Sd.prototype._getValue_direct,Sd.prototype._getValue_array,Sd.prototype._getValue_arrayElement,Sd.prototype._getValue_toArray],Sd.prototype.SetterByBindingTypeAndVersioning=[[Sd.prototype._setValue_direct,Sd.prototype._setValue_direct_setNeedsUpdate,Sd.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[Sd.prototype._setValue_array,Sd.prototype._setValue_array_setNeedsUpdate,Sd.prototype._setValue_array_setMatrixWorldNeedsUpdate],[Sd.prototype._setValue_arrayElement,Sd.prototype._setValue_arrayElement_setNeedsUpdate,Sd.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[Sd.prototype._setValue_fromArray,Sd.prototype._setValue_fromArray_setNeedsUpdate,Sd.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];var Cd=class{constructor(){this.isAnimationObjectGroup=!0,this.uuid=nn(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;let e={};this._indicesByUUID=e;for(let t=0,n=arguments.length;t!==n;++t)e[arguments[t].uuid]=t;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};let t=this;this.stats={objects:{get total(){return t._objects.length},get inUse(){return this.total-t.nCachedObjects_}},get bindingsPerObject(){return t._bindings.length}}}add(){let e=this._objects,t=this._indicesByUUID,n=this._paths,r=this._parsedPaths,i=this._bindings,a=i.length,o,s=e.length,c=this.nCachedObjects_;for(let l=0,u=arguments.length;l!==u;++l){let u=arguments[l],d=u.uuid,f=t[d];if(f===void 0){f=s++,t[d]=f,e.push(u);for(let e=0,t=a;e!==t;++e)i[e].push(new Sd(u,n[e],r[e]))}else if(f<c){o=e[f];let s=--c,l=e[s];t[l.uuid]=f,e[f]=l,t[d]=s,e[s]=u;for(let e=0,t=a;e!==t;++e){let t=i[e],a=t[s],o=t[f];t[f]=a,o===void 0&&(o=new Sd(u,n[e],r[e])),t[s]=o}}else e[f]!==o&&B(`AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastru

5_setEndings(e,t,n){let r=this._interpolantSettings;n?(r.endingStart=tt,r.endingEnd=tt):(e?r.endingStart=this.zeroSlopeAtStart?tt:et:r.endingStart=nt,t?r.endingEnd=this.zeroSlopeAtEnd?tt:et:r.endingEnd=nt)}_scheduleFading(e,t,n){let r=this._mixer,i=r.time,a=this._weightInterpolant;a===null&&(a=r._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,s=a.sampleValues;return o[0]=i,s[0]=t,o[1]=i+e,s[1]=n,this}},Td=new Float32Array(1),Ed=class extends Zt{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,typeof __THREE_DEVTOOLS__<`u`&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent(`observe`,{detail:this}))}_bindAction(e,t){let n=e._localRoot||this._root,r=e._clip.tracks,i=r.length,a=e._propertyBindings,o=e._interpolants,s=n.uuid,c=this._bindingsByRootAndName,l=c[s];l===void 0&&(l={},c[s]=l);for(let e=0;e!==i;++e){let i=r[e],c=i.name,u=l[c];if(u!==void 0)++u.referenceCount,a[e]=u;else{if(u=a[e],u!==void 0){u._cacheIndex===null&&(++u.referenceCount,this._addInactiveBinding(u,s,c));continue}let r=t&&t._propertyBindings[e].binding.parsedPath;u=new ud(Sd.create(n,c,r),i.ValueTypeName,i.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,s,c),a[e]=u}o[e].resultBuffer=u.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let t=(e._localRoot||this._root).uuid,n=e._clip.uuid,r=this._actionsByClip[n];this._bindAction(e,r&&r.knownActions[0]),this._addInactiveAction(e,n,t)}let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];n.useCount++===0&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];--n.useCount===0&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t<this._nActiveActions}_addInactiveAction(e,t,n){let r=this._actions,i=this._actionsByClip,a=i[t];if(a===void 0)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,i[t]=a;else{let t=a.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=r.length,r.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){let t=this._actions,n=t[t.length-1],r=e._cacheIndex;n._cacheIndex=r,t[r]=n,t.pop(),e._cacheIndex=null;let i=e._clip.uuid,a=this._actionsByClip,o=a[i],s=o.knownActions,c=s[s.length-1],l=e._byClipCacheIndex;c._byClipCacheIndex=l,s[l]=c,s.pop(),e._byClipCacheIndex=null;let u=o.actionByRoot,d=(e._localRoot||this._root).uuid;delete u[d],s.length===0&&delete a[i],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];--n.referenceCount===0&&this._removeInactiveBinding(n)}}_lendAction(e){let t=this._actions,n=e._cacheIndex,r=this._nActiveActions++,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_takeBackAction(e){let t=this._actions,n=e._cacheIndex,r=--this._nActiveActions,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_addInactiveBinding(e,t,n){let r=this._bindingsByRootAndName,i=this._bindings,a=r[t];a===void 0&&(a={},r[t]=a),a[n]=e,e._cacheIndex=i.length,i.push(e)}_removeInactiveBinding(e){let t=this._bindings,n=e.binding,r=n.rootNode.uuid,i=n.path,a=this._bindingsByRootAndName,o=a[r],s=t[t.length-1],c=e._cacheIndex;s._cacheIndex=c,t[c]=s,t.pop(),delete o[i],Object.keys(o).length===0&&delete a[r]}_lendBinding(e){let t=this._bindings,n=e._cacheIndex,r=this._nActiveBindings++,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_takeBackBinding(e){let t=this._bindings,n=e._cacheIndex,r=--this._nActiveBindings,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_lendControlInterpolant(){let e=this._controlInterpolants,t=this._nActiveControlInterpolants++,n=e[t];return n===void 0&&(n=new Ol(new Float32Array(2),new Float32Array(2),1,Td),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){let t=this._controlInterpolants,n=e.__cacheIndex,r=--this._nActiveControlInterpolants,i=t[r];e.__cacheIndex=r,t[r]=e,i.__cacheIndex=n,t[n]=i}clipAction(e,t,n){let r=t||this._root,i=r.uuid,a=typeof e==`string`?Z.findByName(r,e):e,o=a===null?e:a.uuid,s=this._actionsByClip[o],c=null;if(n===void 0&&(n=a===null?rt:a.blendMode),s!==void 0){let e=s.actionByRoot[i];if(e!==void 0&&e.blendMode===n)return e;c=s.knownActions[0],a===null&&(a=c._clip)}if(a===null)return null;let l=new wd(this,a,t,n);return this._bindAction(l,c),this._addInactiveAction(l,o,i),l}existingAction(e,t){let n=t||this._root,r=n.uuid,i=typeof e==`string`?Z.findByName(n,e):e,a=i?i.uuid:e,o=this._actionsByClip[a];return o===void 0?null:o.actionByRoot[r]||null}stopAllAction(){let e=this._actions,t=this._nActiveActions;for(let n=t-1;n>=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,r=this.time+=e,i=Math.sign(e),a=this._accuIndex^=1;for(let o=0;o!==n;++o)t[o]._update(r,e,i,a);let o=this._bindings,s=this._nActiveBindings;for(let e=0;e!==s;++e)o[e].apply(a);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){let t=this._actions,n=e.uuid,r=this._actionsByClip,i=r[n];if(i!==void 0){let e=i.knownActions;for(let n=0,r=e.length;n!==r;++n){let r=e[n];this._deactivateAction(r);let i=r._cacheIndex,a=t[t.length-1];r._cacheIndex=null,r._byClipCacheIndex=null,a._cacheIndex=i,t[i]=a,t.pop(),this._removeInactiveBindingsForAction(r)}delete r[n]}}uncacheRoot(e){let t=e.uuid,n=this._actionsByClip;for(let e in n){let r=n[e].actionByRoot[t];r!==void 0&&(this._deactivateAction(r),this._removeInactiveAction(r))}let r=this._bindingsByRootAndName[t];if(r!==void 0)for(let e in r){let t=r[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){let n=this.existingAction(e,t);n!==null&&(this._deactivateAction(n),this._removeInactiveAction(n))}},Dd=class extends Un{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isRenderTarget3D=!0,this.depth=n,this.texture=new qn(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}},Od=class e{constructor(e){this.value=e}clone(){return new e(this.value.clone===void 0?this.value:this.value.clone())}},kd=0,Ad=class extends Zt{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:kd++}),this.name=``,this.usage=bt,this.uniforms=[]}add(e){return this.uniforms.push(e),this}remove(e){let t=this.uniforms.indexOf(e);return t!==-1&&this.uniforms.splice(t,1),this}setName(e){return this.name=e,this}setUsage(e){return this.usage=e,this}dispose(){this.dispatchEvent({type:`dispose`})}copy(e){this.name=e.name,this.usage=e.usage;let t=e.uniforms;this.uniforms.length=0;for(let e=0,n=t.length;e<n;e++){let n=Array.isArray(t[e])?t[e]:[t[e]];for(let e=0;e<n.length;e++)this.uniforms.push(n[e].clone())}return this}clone(){return new this.constructor().copy(this)}},jd=class extends Ii{constructor(e,t,n=1){super(e,t),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){let t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){let t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}},Md=class{constructor(e,t,n,r,i,a=!1){this.isGLBufferAttribute=!0,this.name=``,this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=r,this.count=i,this.normalized=a,this.version=0}set needsUpdate(e){e===!0&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}},Nd=new K,Pd=class{constructor(e,t,n=0,r=1/0){this.ray=new pa(e,t),this.near=n,this.far=r,this.camera=null,this.layers=new ar,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):B(`Raycaster: 

5distanceSqToLine3(e,t=Jd,n=Yd){let r=1e-8*1e-8,i,a,o=this.start,s=e.start,c=this.end,l=e.end;Gd.subVectors(c,o),Kd.subVectors(l,s),qd.subVectors(o,s);let u=Gd.dot(Gd),d=Kd.dot(Kd),f=Kd.dot(qd);if(u<=r&&d<=r)return t.copy(o),n.copy(s),t.sub(n),t.dot(t);if(u<=r)i=0,a=f/d,a=V(a,0,1);else{let e=Gd.dot(qd);if(d<=r)a=0,i=V(-e/u,0,1);else{let t=Gd.dot(Kd),n=u*d-t*t;i=n===0?0:V((t*f-e*d)/n,0,1),a=(t*i+f)/d,a<0?(a=0,i=V(-e/u,0,1)):a>1&&(a=1,i=V((t-e)/u,0,1))}}return t.copy(o).addScaledVector(Gd,i),n.copy(s).addScaledVector(Kd,a),t.distanceToSquared(n)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},Zd=new W,Qd=class extends xr{constructor(e,t){super(),this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type=`SpotLightHelper`;let n=new Y,r=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let e=0,t=1;e<32;e++,t++){let n=e/32*Math.PI*2,i=t/32*Math.PI*2;r.push(Math.cos(n),Math.sin(n),1,Math.cos(i),Math.sin(i),1)}n.setAttribute(`position`,new J(r,3));let i=new ko({fog:!1,toneMapped:!1});this.cone=new Vo(n,i),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);let e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),Zd.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Zd),this.color===void 0?this.cone.material.color.copy(this.light.color):this.cone.material.color.set(this.color)}},$d=new W,ef=new K,tf=new K,nf=class extends Vo{constructor(e){let t=rf(e),n=new Y,r=[],i=[];for(let e=0;e<t.length;e++){let n=t[e];n.parent&&n.parent.isBone&&(r.push(0,0,0),r.push(0,0,0),i.push(0,0,0),i.push(0,0,0))}n.setAttribute(`position`,new J(r,3)),n.setAttribute(`color`,new J(i,3));let a=new ko({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});super(n,a),this.isSkeletonHelper=!0,this.type=`SkeletonHelper`,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1;let o=new q(255),s=new q(65280);this.setColors(o,s)}updateMatrixWorld(e){let t=this.bones,n=this.geometry,r=n.getAttribute(`position`);tf.copy(this.root.matrixWorld).invert();for(let e=0,n=0;e<t.length;e++){let i=t[e];i.parent&&i.parent.isBone&&(ef.multiplyMatrices(tf,i.matrixWorld),$d.setFromMatrixPosition(ef),r.setXYZ(n,$d.x,$d.y,$d.z),ef.multiplyMatrices(tf,i.parent.matrixWorld),$d.setFromMatrixPosition(ef),r.setXYZ(n+1,$d.x,$d.y,$d.z),n+=2)}n.getAttribute(`position`).needsUpdate=!0,super.updateMatrixWorld(e)}setColors(e,t){let n=this.geometry.getAttribute(`color`);for(let r=0;r<n.count;r+=2)n.setXYZ(r,e.r,e.g,e.b),n.setXYZ(r+1,t.r,t.g,t.b);return n.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}};function rf(e){let t=[];e.isBone===!0&&t.push(e);for(let n=0;n<e.children.length;n++)t.push(...rf(e.children[n]));return t}var af=class extends Ea{constructor(e,t,n){let r=new Wc(t,4,2),i=new ma({wireframe:!0,fog:!1,toneMapped:!1});super(r,i),this.light=e,this.color=n,this.type=`PointLightHelper`,this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.color===void 0?this.material.color.copy(this.light.color):this.material.color.set(this.color)}},of=new W,sf=new q,cf=new q,lf=class extends xr{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type=`HemisphereLightHelper`;let r=new zc(t);r.rotateY(Math.PI*.5),this.material=new ma({wireframe:!0,fog:!1,toneMapped:!1}),this.color===void 0&&(this.material.vertexColors=!0);let i=r.getAttribute(`position`),a=new Float32Array(i.count*3);r.setAttribute(`color`,new gi(a,3)),this.add(new Ea(r,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(this.color!==void 0)this.material.color.set(this.color);else{let t=e.geometry.getAttribute(`color`);sf.copy(this.light.color),cf.copy(this.light.groundColor);for(let e=0,n=t.count;e<n;e++){let r=e<n/2?sf:cf;t.setXYZ(e,r.r,r.g,r.b)}t.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),e.lookAt(of.setFromMatrixPosition(this.light.matrixWorld).negate())}},uf=class extends Vo{constructor(e=10,t=10,n=4473924,r=8947848){n=new q(n),r=new q(r);let i=t/2,a=e/t,o=e/2,s=[],c=[];for(let e=0,l=0,u=-o;e<=t;e++,u+=a){s.push(-o,0,u,o,0,u),s.push(u,0,-o,u,0,o);let t=e===i?n:r;t.toArray(c,l),l+=3,t.toArray(c,l),l+=3,t.toArray(c,l),l+=3,t.toArray(c,l),l+=3}let l=new Y;l.setAttribute(`position`,new J(s,3)),l.setAttribute(`color`,new J(c,3));let u=new ko({vertexColors:!0,toneMapped:!1});super(l,u),this.type=`GridHelper`}dispose(){this.geometry.dispose(),this.material.dispose()}},df=class extends Vo{constructor(e=10,t=16,n=8,r=64,i=4473924,a=8947848){i=new q(i),a=new q(a);let o=[],s=[];if(t>1)for(let n=0;n<t;n++){let r=n/t*(Math.PI*2),c=Math.sin(r)*e,l=Math.cos(r)*e;o.push(0,0,0),o.push(c,0,l);let u=n&1?i:a;s.push(u.r,u.g,u.b),s.push(u.r,u.g,u.b)}for(let t=0;t<n;t++){let c=t&1?i:a,l=e-e/n*t;for(let e=0;e<r;e++){let t=e/r*(Math.PI*2),n=Math.sin(t)*l,i=Math.cos(t)*l;o.push(n,0,i),s.push(c.r,c.g,c.b),t=(e+1)/r*(Math.PI*2),n=Math.sin(t)*l,i=Math.cos(t)*l,o.push(n,0,i),s.push(c.r,c.g,c.b)}}let c=new Y;c.setAttribute(`position`,new J(o,3)),c.setAttribute(`color`,new J(s,3));let l=new ko({vertexColors:!0,toneMapped:!1});super(c,l),this.type=`PolarGridHelper`}dispose(){this.geometry.dispose(),this.material.dispose()}},ff=new W,pf=new W,mf=new W,hf=class extends xr{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type=`DirectionalLightHelper`,t===void 0&&(t=1);let r=new Y;r.setAttribute(`position`,new J([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));let i=new ko({fog:!1,toneMapped:!1});this.lightPlane=new Lo(r,i),this.add(this.lightPlane),r=new Y,r.setAttribute(`position`,new J([0,0,0,0,0,1],3)),this.targetLine=new Lo(r,i),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),ff.setFromMatrixPosition(this.light.matrixWorld),pf.setFromMatrixPosition(this.light.target.matrixWorld),mf.subVectors(pf,ff),this.lightPlane.lookAt(pf),this.color===void 0?(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)):(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)),this.targetLine.lookAt(pf),this.targetLine.scale.z=mf.length()}},gf=new W,_f=new du,vf=class extends Vo{constructor(e){let t=new Y,n=new ko({color:16777215,vertexColors:!0,toneMapped:!1}),r=[],i=[],a={};o(`n1`,`n2`),o(`n2`,`n4`),o(`n4`,`n3`),o(`n3`,`n1`),o(`f1`,`f2`),o(`f2`,`f4`),o(`f4`,`f3`),o(`f3`,`f1`),o(`n1`,`f1`),o(`n2`,`f2`),o(`n3`,`f3`),o(`n4`,`f4`),o(`p`,`n1`),o(`p`,`n2`),o(`p`,`n3`),o(`p`,`n4`),o(`u1`,`u2`),o(`u2`,`u3`),o(`u3`,`u1`),o(`c`,`t`),o(`p`,`c`),o(`cn1`,`cn2`),o(`cn3`,`cn4`),o(`cf1`,`cf2`),o(`cf3`,`cf4`);function o(e,t){s(e),s(t)}function s(e){r.push(0,0,0),i.push(0,0,0),a[e]===void 0&&(a[e]=[]),a[e].push(r.length/3-1)}t.setAttribute(`position`,new J(r,3)),t.setAttribute(`color`,new J(i,3)),super(t,n),this.type=`CameraHelper`,this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update();let c=new q(16755200),l=new q(16711680),u=new q(43775),d=new q(16777215),f=new q(3355443);this.setColors(c,l,u,d,f)}setColors(e,t,n,r,i){let a=this.geometry.getAttribute(`color`);return a.setXYZ(0,e.r,e.g,e.b),a.setXYZ(1,e.r,e.g,e.b),a.setXYZ(2,e.r,e.g,e.b),a.setXYZ(3,e.r,e.g,e.b),a.setXYZ(4,e.r,e.g,e.b),a.setXYZ(5,e.r,e.g,e.b),a.setXYZ(6,e.r,e.g,e.b),a.setXYZ(7,e.r,e.g,e.b),a.setXYZ(8,e.r,e.g,e.b),a.setXYZ(9,e.r,e.g,e.b),a.setXYZ(10,e.r,e.g,e.b),a.setXYZ(11,e.r,e.g,e.b),a.setXYZ(12,e.r,e.g,e.b),a.setXYZ(13,e.r,e.g,e.b),a.setXYZ(14,e.r,e.g,e.b),a.setXYZ(15,e.r,e.g,e.b),a.setXYZ(16,e.r,e.g,e.b),a.setXYZ(17,e.r,e.g,e.b),a.setXYZ(18,e.r,e.g,e.b),a.setXYZ(19,e.r,e.g,e.b),a.setXYZ(20,e.r,e.g,e.b),a.setXYZ(21,e.r,e.g,e.b),a.setXYZ(22,e.r,e.g,e.b),a.setXYZ(23,e.r,e.g,e.b),a.setXYZ(24,t.r,t.g,t.b),a.setXYZ(25,t.r,t.g,t.b),a.setXYZ(26,t.r,t.g,t.b),a.setXYZ(27,t.r,t.g,t.b),a.setXYZ(28,t.r,t.g,t.b),a.setXYZ(29,t.r,t.g,t.b),a.setXYZ(30,t.r,t.g,t.b),a.setXYZ(31,t.r,t.g,t.b),a.setXYZ(32,n.r,n.g,n.b),a.setXYZ(33,n.r,n.g,n.b),a.setXYZ(34,n.r,n.g,n.b),a.setXYZ(35,n.r,n.g,n.b),a.setXYZ(36,n.r,n.g,n.b),a.setXYZ(37,n.r,n.g,n.b),a.setXYZ(38,r.r,r.g,r.b),a.setXYZ(39,r.r,r.g,r.b),a.setXYZ(40,i.r,i.g,i.b),a.setXYZ(41,i.r,i.g,i.b),a.setXYZ(42,i.r,i.g,i.b),a.setXYZ(43,i.r,i.g,i.b),a.setXYZ(44,i.r,i.g,i.b),a.setXYZ(45,i.r,i.g,i.b),a.setXYZ(46,i.r,i.g,i.b),a.setXYZ(47,i.r,i.g,i.b),a.setXYZ(48,i.r,i.g,i.b),a.setXYZ(49,i.r,i.g,i.b),a.needsUpdate=!0,this}update(){let e=this.geometry,t=this.pointMap,n,r;if(_f.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),this.camera.reversedDepth===!0)n=1,r=0;else if(this.camera.coordinateSystem===2e3)n=-1,r=1;else if(this.camera.coordinateSystem===2001)n=0,r=1;else throw Error(`THREE.CameraHelper.update(): Invalid coordinate system: `+this.camera.coordinateSystem);yf(`c`,t,e,_f,0,0,n),yf(`t`,t,e,_f,0,0,r),yf(`n1`,t,e,_f,-1,-1,n),yf(`n2`,t,e,_f,1,-1,n),yf(`n3`,t,e,_f,-1,1,n),yf(`n4`,t,e,_f,1,1,n),yf(`f1`,t,e,_f,-1,-1,r),yf(`f2`,t,e,_f,1,-1,r),yf(`f3`,t,e,_f,-1,1,r),yf(`f4`,t,e,_f,1,1,r),yf(`u1`,t,e,_f,1*.7,1*1.1,n),yf(`u2`,t,e,_f,-1*.7,1*1.1,n),yf(`u3`,t,e,_f,0,2,n),yf(`cf1`,t,e,_f,-1,0,r),yf(`cf2`,t,e,_f,1,0,r),yf(`cf3`,t,e,_f,0,-1,r),yf(`cf4`,t,e,_f,0,1,r),yf(`cn1`,t,e,_f,-1,0,n),yf(`cn2`,t,e,_f,1,0,n),yf(`cn3`,t,e,_f,0,-1,n),yf(`cn4`,t,e,_f,0,1,n),e.getAttribute(`position`).needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}};function yf(e,t,n,r,i,a,o){gf.set(i,a,o).unproject(r);let s=t[e];if(s!==void 0){let e=n.getAttribute(`position`);for(let t=0,n=s.length;t<n;t++)e.setXYZ(s[t],gf.x,gf.y,gf.z)}}var bf=new qr,xf=class extends Vo{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=new Float32Array(24),i=new Y;i.setIndex(new gi(n,1)),i.setAttribute(`position`,new gi(r,3)),super(i,new ko({color:t,toneMapped:!1})),this.object=e,this.type=`BoxHelper`,this.matrixAutoUpdate=!1,this.update()}update(){if(this.object!==void 0&&bf.setFromObject(this.object),bf.isEmpty())return;let e=bf.min,t=bf.max,n=this.geometry.attributes.position,r=n.array;r[0]=t.x,r[1]=t.y,r[2]=t.z,r[3]=e.x,r[4]=t.y,r[5]=t.z,r[6]=e.x,r[7]=e.y,r[8]=t.z,r[9]=t.x,r[10]=e.y,r[11]=t.z,r[12]=t.x,r[13]=t.y,r[14]=e.z,r[15]=e.x,r[16]=t.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=t.x,r[22]=e.y,r[23]=e.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e,t){return super.copy(e,t),this.object=e.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}},Sf=class extends Vo{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],i=new Y;i.setIndex(new gi(n,1)),i.setAttribute(`position`,new J(r,3)),super(i,new ko({color:t,toneMapped:!1})),this.box=e,this.type=`Box3Helper`,this.geometry.computeBoundingSphere()}updateMatrixWorld(e){let t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}dispose(){this.geometry.dispose(),this.material.dispose()}},Cf=class extends Lo{constructor(e,t=1,n=16776960){let r=n,i=[1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],a=new Y;a.setAttribute(`position`,new J(i,3)),a.computeBoundingSphere(),super(a,new ko({color:r,toneMapped:!1})),this.type=`PlaneHelper`,this.plane=e,this.size=t;let o=[1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],s=new Y;s.setAttribute(`position`,new J(o,3)),s.computeBoundingSphere(),this.add(new Ea(s,new ma({color:r,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(e)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}},wf=new W,Tf,Ef,Df=class extends xr{constructor(e=new W(0,0,1),t=new W(0,0,0),n=1,r=16776960,i=n*.2,a=i*.2){super(),this.type=`ArrowHelper`,Tf===void 0&&(Tf=new Y,Tf.setAttribute(`position`,new J([0,0,0,0,1,0],3)),Ef=new fs(.5,1,5,1),Ef.translate(0,-.5,0)),this.position.copy(t),this.line=new Lo(Tf,new ko({color:r,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ea(Ef,new ma({color:r,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(n,i,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{wf.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(wf,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},Of=class extends Vo{constructor(e=1){let 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6	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
7#endif`,alphahash_pars_fragment:`#ifdef USE_ALPHAHASH
8	const float ALPHA_HASH_SCALE = 0.05;
9	float hash2D( vec2 value ) {
10		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
11	}
12	float hash3D( vec3 value ) {
13		return hash2D( vec2( hash2D( value.xy ), value.z ) );
14	}
15	float getAlphaHashThreshold( vec3 position ) {
16		float maxDeriv = max(
17			length( dFdx( position.xyz ) ),
18			length( dFdy( position.xyz ) )
19		);
20		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
21		vec2 pixScales = vec2(
22			exp2( floor( log2( pixScale ) ) ),
23			exp2( ceil( log2( pixScale ) ) )
24		);
25		vec2 alpha = vec2(
26			hash3D( floor( pixScales.x * position.xyz ) ),
27			hash3D( floor( pixScales.y * position.xyz ) )
28		);
29		float lerpFactor = fract( log2( pixScale ) );
30		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
31		float a = min( lerpFactor, 1.0 - lerpFactor );
32		vec3 cases = vec3(
33			x * x / ( 2.0 * a * ( 1.0 - a ) ),
34			( x - 0.5 * a ) / ( 1.0 - a ),
35			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
36		);
37		float threshold = ( x < ( 1.0 - a ) )
38			? ( ( x < a ) ? cases.x : cases.y )
39			: cases.z;
40		return clamp( threshold , 1.0e-6, 1.0 );
41	}
42#endif`,alphamap_fragment:`#ifdef USE_ALPHAMAP
43	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
44#endif`,alphamap_pars_fragment:`#ifdef USE_ALPHAMAP
45	uniform sampler2D alphaMap;
46#endif`,alphatest_fragment:`#ifdef USE_ALPHATEST
47	#ifdef ALPHA_TO_COVERAGE
48	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
49	if ( diffuseColor.a == 0.0 ) discard;
50	#else
51	if ( diffuseColor.a < alphaTest ) discard;
52	#endif
53#endif`,alphatest_pars_fragment:`#ifdef USE_ALPHATEST
54	uniform float alphaTest;
55#endif`,aomap_fragment:`#ifdef USE_AOMAP
56	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
57	reflectedLight.indirectDiffuse *= ambientOcclusion;
58	#if defined( USE_CLEARCOAT ) 
59		clearcoatSpecularIndirect *= ambientOcclusion;
60	#endif
61	#if defined( USE_SHEEN ) 
62		sheenSpecularIndirect *= ambientOcclusion;
63	#endif
64	#if defined( USE_ENVMAP ) && defined( STANDARD )
65		float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );
66		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
67	#endif
68#endif`,aomap_pars_fragment:`#ifdef USE_AOMAP
69	uniform sampler2D aoMap;
70	uniform float aoMapIntensity;
71#endif`,batching_pars_vertex:`#ifdef USE_BATCHING
72	#if ! defined( GL_ANGLE_multi_draw )
73	#define gl_DrawID _gl_DrawID
74	uniform int _gl_DrawID;
75	#endif
76	uniform highp sampler2D batchingTexture;
77	uniform highp usampler2D batchingIdTexture;
78	mat4 getBatchingMatrix( const in float i ) {
79		int size = textureSize( batchingTexture, 0 ).x;
80		int j = int( i ) * 4;
81		int x = j % size;
82		int y = j / size;
83		vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );
84		vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );
85		vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );
86		vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );
87		return mat4( v1, v2, v3, v4 );
88	}
89	float getIndirectIndex( const in int i ) {
90		int size = textureSize( batchingIdTexture, 0 ).x;
91		int x = i % size;
92		int y = i / size;
93		return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );
94	}
95#endif
96#ifdef USE_BATCHING_COLOR
97	uniform sampler2D batchingColorTexture;
98	vec4 getBatchingColor( const in float i ) {
99		int size = textureSize( batchingColorTexture, 0 ).x;
100		int j = int( i );
101		int x = j % size;
102		int y = j / size;
103		return texelFetch( batchingColorTexture, ivec2( x, y ), 0 )

103;
104	}
105#endif`,batching_vertex:`#ifdef USE_BATCHING
106	mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );
107#endif`,begin_vertex:`vec3 transformed = vec3( position );
108#ifdef USE_ALPHAHASH
109	vPosition = vec3( position );
110#endif`,beginnormal_vertex:`vec3 objectNormal = vec3( normal );
111#ifdef USE_TANGENT
112	vec3 objectTangent = vec3( tangent.xyz );
113#endif`,bsdfs:`float G_BlinnPhong_Implicit( ) {
114	return 0.25;
115}
116float D_BlinnPhong( const in float shininess, const in float dotNH ) {
117	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
118}
119vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
120	vec3 halfDir = normalize( lightDir + viewDir );
121	float dotNH = saturate( dot( normal, halfDir ) );
122	float dotVH = saturate( dot( viewDir, halfDir ) );
123	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
124	float G = G_BlinnPhong_Implicit( );
125	float D = D_BlinnPhong( shininess, dotNH );
126	return F * ( G * D );
127} // validated`,iridescence_fragment:`#ifdef USE_IRIDESCENCE
128	const mat3 XYZ_TO_REC709 = mat3(
129		 3.2404542, -0.9692660,  0.0556434,
130		-1.5371385,  1.8760108, -0.2040259,
131		-0.4985314,  0.0415560,  1.0572252
132	);
133	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
134		vec3 sqrtF0 = sqrt( fresnel0 );
135		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
136	}
137	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
138		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
139	}
140	float IorToFresnel0( float transmittedIor, float incidentIor ) {
141		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
142	}
143	vec3 evalSensitivity( float OPD, vec3 shift ) {
144		float phase = 2.0 * PI * OPD * 1.0e-9;
145		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
146		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
147		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
148		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
149		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 ) );
150		xyz /= 1.0685e-7;
151		vec3 rgb = XYZ_TO_REC709 * xyz;
152		return rgb;
153	}
154	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
155		vec3 I;
156		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
157		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
158		float cosTheta2Sq = 1.0 - sinTheta2Sq;
159		if ( cosTheta2Sq < 0.0 ) {
160			return vec3( 1.0 );
161		}
162		float cosTheta2 = sqrt( cosTheta2Sq );
163		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );
164		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
165		float T121 = 1.0 - R12;
166		float phi12 = 0.0;
167		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
168		float phi21 = PI - phi12;
169		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
170		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
171		vec3 phi23 = vec3( 0.0 );
172		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
173		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
174		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
175		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
176		vec3 phi = vec3( phi21 ) + phi23;
177		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
178		vec3 r123 = sqrt( R123 );
179		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
180		vec3 C0 = R12 + Rs;
181		I = C0;
182		vec3 Cm = Rs - T121;
183		for ( int m = 1; m <= 2; ++ m ) {
184			Cm *= r123;
185			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
186			I += Cm * Sm;
187		}
188		return max( I, vec3( 0.0 ) );
189	}
190#endif`,bumpmap_pars_fragment:`#ifdef USE_BUMPMAP
191	uniform sampler2D bumpMap;
192	uniform float bumpScale;
193	vec2 dHdxy_fwd() {
194		vec2 dSTdx = dFdx( vBumpMapUv );
195		vec2 dSTdy = dFdy( vBumpMapUv );
196		float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;
197		float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;
198		float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;
199		return vec2( dBx, dBy );
200	}
201	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
202		vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );
203		vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );
204		vec3 vN = surf_norm;
205		vec3 R1 = cross( vSigmaY, vN );
206		vec3 R2 = cross( vN, vSigmaX );
207		float fDet = dot( vSigmaX, R1 ) * faceDirection;
208		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
209		return normalize( abs( fDet ) * surf_norm - vGrad );
210	}
211#endif`,clipping_planes_fragment:`#if NUM_CLIPPING_PLANES > 0
212	vec4 plane;
213	#ifdef ALPHA_TO_COVERAGE
214		float distanceToPlane, distanceGradient;
215		float clipOpacity = 1.0;
216		#pragma unroll_loop_start
217		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
218			plane = clippingPlanes[ i ];
219			distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
220			distanceGradient = fwidth( distanceToPlane ) / 2.0;
221			clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
222			if ( clipOpacity == 0.0 ) discard;
223		}
224		#pragma unroll_loop_end
225		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
226			float unionClipOpacity = 1.0;
227			#pragma unroll_loop_start
228			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
229				plane = clippingPlanes[ i ];
230				distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
231				distanceGradient = fwidth( distanceToPlane ) / 2.0;
232				unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
233			}
234			#pragma unroll_loop_end
235			clipOpacity *= 1.0 - unionClipOpacity;
236		#endif
237		diffuseColor.a *= clipOpacity;
238		if ( diffuseColor.a == 0.0 ) discard;
239	#else
240		#pragma unroll_loop_start
241		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
242			plane = clippingPlanes[ i ];
243			if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
244		}
245		#pragma unroll_loop_end
246		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
247			bool clipped = true;
248			#pragma unroll_loop_start
249			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
250				plane = clippingPlanes[ i ];
251				clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
252			}
253			#pragma unroll_loop_end
254			if ( clipped ) discard;
255		#endif
256	#endif
257#endif`,clipping_planes_pars_fragment:`#if NUM_CLIPPING_PLANES > 0
258	varying vec3 vClipPosition;
259	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
260#endif`,clipping_planes_pars_vertex:`#if NUM_CLIPPING_PLANES > 0
261	varying vec3 vClipPosition;
262#endif`,clipping_planes_vertex:`#if NUM_CLIPPING_PLANES > 0
263	vClipPosition = - mvPosition.xyz;
264#endif`,color_fragment:`#if defined( USE_COLOR

330;
331}
332bool isPerspectiveMatrix( mat4 m ) {
333	return m[ 2 ][ 3 ] == - 1.0;
334}
335vec2 equirectUv( in vec3 dir ) {
336	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
337	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
338	return vec2( u, v );
339}
340vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
341	return RECIPROCAL_PI * diffuseColor;
342}
343vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
344	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
345	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
346}
347float F_Schlick( const in float f0, const in float f90, const in float dotVH ) {
348	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
349	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
350} // validated`,cube_uv_reflection_fragment:`#ifdef ENVMAP_TYPE_CUBE_UV
351	#define cubeUV_minMipLevel 4.0
352	#define cubeUV_minTileSize 16.0
353	float getFace( vec3 direction ) {
354		vec3 absDirection = abs( direction );
355		float face = - 1.0;
356		if ( absDirection.x > absDirection.z ) {
357			if ( absDirection.x > absDirection.y )
358				face = direction.x > 0.0 ? 0.0 : 3.0;
359			else
360				face = direction.y > 0.0 ? 1.0 : 4.0;
361		} else {
362			if ( absDirection.z > absDirection.y )
363				face = direction.z > 0.0 ? 2.0 : 5.0;
364			else
365				face = direction.y > 0.0 ? 1.0 : 4.0;
366		}
367		return face;
368	}
369	vec2 getUV( vec3 direction, float face ) {
370		vec2 uv;
371		if ( face == 0.0 ) {
372			uv = vec2( direction.z, direction.y ) / abs( direction.x );
373		} else if ( face == 1.0 ) {
374			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );
375		} else if ( face == 2.0 ) {
376			uv = vec2( - direction.x, direction.y ) / abs( direction.z );
377		} else if ( face == 3.0 ) {
378			uv = vec2( - direction.z, direction.y ) / abs( direction.x );
379		} else if ( face == 4.0 ) {
380			uv = vec2( - direction.x, direction.z ) / abs( direction.y );
381		} else {
382			uv = vec2( direction.x, direction.y ) / abs( direction.z );
383		}
384		return 0.5 * ( uv + 1.0 );
385	}
386	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {
387		float face = getFace( direction );
388		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );
389		mipInt = max( mipInt, cubeUV_minMipLevel );
390		float faceSize = exp2( mipInt );
391		highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;
392		if ( face > 2.0 ) {
393			uv.y += faceSize;
394			face -= 3.0;
395		}
396		uv.x += face * faceSize;
397		uv.x += filterInt * 3.0 * cubeUV_minTileSize;
398		uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );
399		uv.x *= CUBEUV_TEXEL_WIDTH;
400		uv.y *= CUBEUV_TEXEL_HEIGHT;
401		#ifdef texture2DGradEXT
402			return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;
403		#else
404			return texture2D( envMap, uv ).rgb;
405		#endif
406	}
407	#define cubeUV_r0 1.0
408	#define cubeUV_m0 - 2.0
409	#define cubeUV_r1 0.8
410	#define cubeUV_m1 - 1.0
411	#define cubeUV_r4 0.4
412	#define cubeUV_m4 2.0
413	#define cubeUV_r5 0.305
414	#define cubeUV_m5 3.0
415	#define cubeUV_r6 0.21
416	#define cubeUV_m6 4.0
417	float roughnessToMip( float roughness ) {
418		float mip = 0.0;
419		if ( roughness >= cubeUV_r1 ) {
420			mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;
421		} else if ( roughness >= cubeUV_r4 ) {
422			mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;
423		} else if ( roughness >= cubeUV_r5 ) {
424			mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;
425		} else if ( roughness >= cubeUV_r6 ) {
426			mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;
427		} else {
428			mip = - 2.0 * log2( 1.16 * roughness );		}
429		return mip;
430	}
431	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {
432		float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );
433		float mipF = fract( mip );
434		float mipInt = floor( mip );
435		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );
436		if ( mipF == 0.0 ) {
437			return vec4( color0, 1.0 );
438		} else {
439			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );
440			return vec4( mix( color0, color1, mipF ), 1.0 );
441		}
442	}
443#endif`,defaultnormal_vertex:`vec3 transformedNormal = objectNormal;
444#ifdef USE_TANGENT
445	vec3 transformedTangent = objectTangent;
446#endif
447#ifdef USE_BATCHING
448	mat3 bm = mat3( batchingMatrix );
449	transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );
450	transformedNormal = bm * transformedNormal;
451	#ifdef USE_TANGENT
452		transformedTangent = bm * transformedTangent;
453	#endif
454#endif
455#ifdef USE_INSTANCING
456	mat3 im = mat3( instanceMatrix );
457	transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );
458	transformedNormal = im * transformedNormal;
459	#ifdef USE_TANGENT
460		transformedTangent = im * transformedTangent;
461	#endif
462#endif
463transformedNormal = normalMatrix * transformedNormal;
464#ifdef FLIP_SIDED
465	transformedNormal = - transformedNormal;
466#endif
467#ifdef USE_TANGENT
468	transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;
469	#ifdef FLIP_SIDED
470		transformedTangent = - transformedTangent;
471	#endif
472#endif`,displacementmap_pars_vertex:`#ifdef USE_DISPLACEMENTMAP
473	uniform sampler2D displacementMap;
474	uniform float displacementScale;
475	uniform float displacementBias;
476#endif`,displacementmap_vertex:`#ifdef USE_DISPLACEMENTMAP
477	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );
478#endif`,emissivemap_fragment:`#ifdef USE_EMISSIVEMAP
479	vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );
480	#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE
481		emissiveColor = sRGBTransferEOTF( emissiveColor );
482	#endif
483	totalEmissiveRadiance *= emissiveColor.rgb;
484#endif`,emissivemap_pars_fragment:`#ifdef USE_EMISSIVEMAP
485	uniform sampler2D emissiveMap;
486#endif`,colorspace_fragment:`gl_FragColor = linearToOutputTexel( gl_FragColor );`,colorspace_pars_fragment:`vec4 LinearTransferOETF( in vec4 value ) {
487	return value;
488}
489vec4 sRGBTransferEOTF( in vec4 value ) {
490	return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );
491}
492vec4 sRGBTransferOETF( in vec4 value ) {
493	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 );
494}`,envmap_fragment:`#ifdef USE_ENVMAP
495	#ifdef ENV_WORLDPOS
496		vec3 cameraToFrag;
497		if ( isOrthographic ) {
498			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
499		} else {
500			cameraToFrag = normalize( vWorldPosition - cameraPosition );
501		}
502		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
503		#ifdef ENVMAP_MODE_REFLECTION
504			vec3 reflectVec = reflect( cameraToFrag, worldNormal );
505		#else
506			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );
507		#endif
508	#else
509		vec3 reflectVec = vReflect;
510	#endif
511	#ifdef ENVMAP_TYPE_CUBE
512		vec4 envColor = textureCube( envMap, envMapRotation * 

564) );
565			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
566			vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );
567			return envMapColor.rgb * envMapIntensity;
568		#else
569			return vec3( 0.0 );
570		#endif
571	}
572	#ifdef USE_ANISOTROPY
573		vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {
574			#ifdef ENVMAP_TYPE_CUBE_UV
575				vec3 bentNormal = cross( bitangent, viewDir );
576				bentNormal = normalize( cross( bentNormal, bitangent ) );
577				bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );
578				return getIBLRadiance( viewDir, bentNormal, roughness );
579			#else
580				return vec3( 0.0 );
581			#endif
582		}
583	#endif
584#endif`,envmap_vertex:`#ifdef USE_ENVMAP
585	#ifdef ENV_WORLDPOS
586		vWorldPosition = worldPosition.xyz;
587	#else
588		vec3 cameraToVertex;
589		if ( isOrthographic ) {
590			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
591		} else {
592			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
593		}
594		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
595		#ifdef ENVMAP_MODE_REFLECTION
596			vReflect = reflect( cameraToVertex, worldNormal );
597		#else
598			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
599		#endif
600	#endif
601#endif`,fog_vertex:`#ifdef USE_FOG
602	vFogDepth = - mvPosition.z;
603#endif`,fog_pars_vertex:`#ifdef USE_FOG
604	varying float vFogDepth;
605#endif`,fog_fragment:`#ifdef USE_FOG
606	#ifdef FOG_EXP2
607		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
608	#else
609		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
610	#endif
611	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
612#endif`,fog_pars_fragment:`#ifdef USE_FOG
613	uniform vec3 fogColor;
614	varying float vFogDepth;
615	#ifdef FOG_EXP2
616		uniform float fogDensity;
617	#else
618		uniform float fogNear;
619		uniform float fogFar;
620	#endif
621#endif`,gradientmap_pars_fragment:`#ifdef USE_GRADIENTMAP
622	uniform sampler2D gradientMap;
623#endif
624vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
625	float dotNL = dot( normal, lightDirection );
626	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
627	#ifdef USE_GRADIENTMAP
628		return vec3( texture2D( gradientMap, coord ).r );
629	#else
630		vec2 fw = fwidth( coord ) * 0.5;
631		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );
632	#endif
633}`,lightmap_pars_fragment:`#ifdef USE_LIGHTMAP
634	uniform sampler2D lightMap;
635	uniform float lightMapIntensity;
636#endif`,lights_lambert_fragment:`LambertMaterial material;
637material.diffuseColor = diffuseColor.rgb;
638material.specularStrength = specularStrength;`,lights_lambert_pars_fragment:`varying vec3 vViewPosition;
639struct LambertMaterial {
640	vec3 diffuseColor;
641	float specularStrength;
642};
643void 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 ) {
644	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
645	vec3 irradiance = dotNL * directLight.color;
646	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
647}
648void 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 ) {
649	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
650}
651#define RE_Direct				RE_Direct_Lambert
652#define RE_IndirectDiffuse		RE_IndirectDiffuse_Lambert`,lights_pars_begin:`uniform bool receiveShadow;
653uniform vec3 ambientLightColor;
654#if defined( USE_LIGHT_PROBES )
655	uniform vec3 lightProbe[ 9 ];
656#endif
657vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
658	float x = normal.x, y = normal.y, z = normal.z;
659	vec3 result = shCoefficients[ 0 ] * 0.886227;
660	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
661	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
662	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
663	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
664	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
665	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
666	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
667	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
668	return result;
669}
670vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
671	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
672	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
673	return irradiance;
674}
675vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
676	vec3 irradiance = ambientLightColor;
677	return irradiance;
678}
679float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
680	float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
681	if ( cutoffDistance > 0.0 ) {
682		distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
683	}
684	return distanceFalloff;
685}
686float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {
687	return smoothstep( coneCosine, penumbraCosine, angleCosine );
688}
689#if NUM_DIR_LIGHTS > 0
690	struct DirectionalLight {
691		vec3 direction;
692		vec3 color;
693	};
694	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];
695	void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {
696		light.color = directionalLight.color;
697		light.direction = directionalLight.direction;
698		light.visible = true;
699	}
700#endif
701#if NUM_POINT_LIGHTS > 0
702	struct PointLight {
703		vec3 position;
704		vec3 color;
705		float distance;
706		float decay;
707	};
708	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];
709	void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {
710		vec3 lVector = pointLight.position - geometryPosition;
711		light.direction = normalize( lVector );
712		float lightDistance = length( lVector );
713		light.color = pointLight.color;
714		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );
715		light.visible = ( light.color != vec3( 0.0 ) );
716	}
717#endif
718#if NUM_SPOT_LIGHTS > 0
719	struct SpotLight {
720		vec3 position;
721		vec3 direction;
722		vec3 color;
723		float distance;
724		float decay;
725		float coneCos;
726		float penumbraCos;
727	};
728	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];
729	void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {
730		vec3 lVector = spotLight.position - geometryPosition;
731		light.direction = normalize( lVector );
732		float angleCos = dot( light.direction, spotLight.direction );
733		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );
734		if ( spotAttenuation > 0.0 ) {
735			float lightDistance = length( lVector );
736			light.color = spotLight.color * spotAttenuation;
737			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );
738			light.visible = ( light.color != vec3( 0.0 ) );
739		} else {
740			light.color = vec3( 0.0 );
741			light.visible = false;
742		}
743	}
744#endif
745#if NUM_RECT_AREA_LIGHTS > 0
746	struct RectAreaLight {
747		vec3 color;
748		vec3 position;
749		vec3 halfWidth;
750		vec3 halfHeight;
751	};
752	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
753	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];
754#endif
755#if NUM_HEMI_LIGHTS > 0
756	struct HemisphereLight {
757		vec3 direction;
758		vec3 skyColor;
759		vec3 groundColor;
760	};
761	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
762	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
763		float dotNL = dot( normal, hemiLight.direction );
764		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
765		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
766		return irradiance;
767	}
768#endif

964;
965	}
966	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
967		float a2 = alphaT * alphaB;
968		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
969		highp float v2 = dot( v, v );
970		float w2 = a2 / v2;
971		return RECIPROCAL_PI * a2 * pow2 ( w2 );
972	}
973#endif
974#ifdef USE_CLEARCOAT
975	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
976		vec3 f0 = material.clearcoatF0;
977		float f90 = material.clearcoatF90;
978		float roughness = material.clearcoatRoughness;
979		float alpha = pow2( roughness );
980		vec3 halfDir = normalize( lightDir + viewDir );
981		float dotNL = saturate( dot( normal, lightDir ) );
982		float dotNV = saturate( dot( normal, viewDir ) );
983		float dotNH = saturate( dot( normal, halfDir ) );
984		float dotVH = saturate( dot( viewDir, halfDir ) );
985		vec3 F = F_Schlick( f0, f90, dotVH );
986		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
987		float D = D_GGX( alpha, dotNH );
988		return F * ( V * D );
989	}
990#endif
991vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
992	vec3 f0 = material.specularColorBlended;
993	float f90 = material.specularF90;
994	float roughness = material.roughness;
995	float alpha = pow2( roughness );
996	vec3 halfDir = normalize( lightDir + viewDir );
997	float dotNL = saturate( dot( normal, lightDir ) );
998	float dotNV = saturate( dot( normal, viewDir ) );
999	float dotNH = saturate( dot( normal, halfDir ) );
1000	float dotVH = saturate( dot( viewDir, halfDir ) );
1001	vec3 F = F_Schlick( f0, f90, dotVH );
1002	#ifdef USE_IRIDESCENCE
1003		F = mix( F, material.iridescenceFresnel, material.iridescence );
1004	#endif
1005	#ifdef USE_ANISOTROPY
1006		float dotTL = dot( material.anisotropyT, lightDir );
1007		float dotTV = dot( material.anisotropyT, viewDir );
1008		float dotTH = dot( material.anisotropyT, halfDir );
1009		float dotBL = dot( material.anisotropyB, lightDir );
1010		float dotBV = dot( material.anisotropyB, viewDir );
1011		float dotBH = dot( material.anisotropyB, halfDir );
1012		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1013		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1014	#else
1015		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1016		float D = D_GGX( alpha, dotNH );
1017	#endif
1018	return F * ( V * D );
1019}
1020vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1021	const float LUT_SIZE = 64.0;
1022	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1023	const float LUT_BIAS = 0.5 / LUT_SIZE;
1024	float dotNV = saturate( dot( N, V ) );
1025	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1026	uv = uv * LUT_SCALE + LUT_BIAS;
1027	return uv;
1028}
1029float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1030	float l = length( f );
1031	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1032}
1033vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1034	float x = dot( v1, v2 );
1035	float y = abs( x );
1036	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1037	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1038	float v = a / b;
1039	float theta_sintheta = ( x >

1039 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1040	return cross( v1, v2 ) * theta_sintheta;
1041}
1042vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1043	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1044	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1045	vec3 lightNormal = cross( v1, v2 );
1046	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1047	vec3 T1, T2;
1048	T1 = normalize( V - N * dot( V, N ) );
1049	T2 = - cross( N, T1 );
1050	mat3 mat = mInv * transpose( mat3( T1, T2, N ) );
1051	vec3 coords[ 4 ];
1052	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1053	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1054	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1055	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1056	coords[ 0 ] = normalize( coords[ 0 ] );
1057	coords[ 1 ] = normalize( coords[ 1 ] );
1058	coords[ 2 ] = normalize( coords[ 2 ] );
1059	coords[ 3 ] = normalize( coords[ 3 ] );
1060	vec3 vectorFormFactor = vec3( 0.0 );
1061	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1062	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1063	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1064	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1065	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1066	return vec3( result );
1067}
1068#if defined( USE_SHEEN )
1069float D_Charlie( float roughness, float dotNH ) {
1070	float alpha = pow2( roughness );
1071	float invAlpha = 1.0 / alpha;
1072	float cos2h = dotNH * dotNH;
1073	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1074	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1075}
1076float V_Neubelt( float dotNV, float dotNL ) {
1077	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1078}
1079vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1080	vec3 halfDir = normalize( lightDir + viewDir );
1081	float dotNL = saturate( dot( normal, lightDir ) );
1082	float dotNV = saturate( dot( normal, viewDir ) );
1083	float dotNH = saturate( dot( normal, halfDir ) );
1084	float D = D_Charlie( sheenRoughness, dotNH );
1085	float V = V_Neubelt( dotNV, dotNL );
1086	return sheenColor * ( D * V );
1087}
1088#endif
1089float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1090	float dotNV = saturate( dot( normal, viewDir ) );
1091	float r2 = roughness * roughness;
1092	float rInv = 1.0 / ( roughness + 0.1 );
1093	float a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;
1094	float b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;
1095	float DG = exp( a * dotNV + b );
1096	return saturate( DG );
1097}
1098vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1099	float dotNV = saturate( dot( normal, viewDir ) );
1100	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1101	return specularColor * fab.x + specularF90 * fab.y;
1102}
1103#ifdef USE_IRIDESCENCE
1104void 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 ) {
1105#else
1106void 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 ) {
1107#endif
1108	float dotNV = saturate( dot( normal, viewDir ) );
1109	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1110	#ifdef USE_IRIDESCENCE
1111		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1112	#else
1113		vec3 Fr = specularColor;
1114	#endif
1115	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1116	float Ess = fab.x + fab.y;
1117	float Ems = 1.0 - Ess;
1118	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1119	singleScatter += FssEss;
1120	multiScatter += Fms * Ems;
1121}
1122vec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1123	vec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );

1124	float dotNL = saturate( dot( normal, lightDir ) );
1125	float dotNV = saturate( dot( normal, viewDir ) );
1126	vec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;
1127	vec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;
1128	vec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;
1129	vec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;
1130	float Ess_V = dfgV.x + dfgV.y;
1131	float Ess_L = dfgL.x + dfgL.y;
1132	float Ems_V = 1.0 - Ess_V;
1133	float Ems_L = 1.0 - Ess_L;
1134	vec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;
1135	vec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );
1136	float compensationFactor = Ems_V * Ems_L;
1137	vec3 multiScatter = Fms * compensationFactor;
1138	return singleScatter + multiScatter;
1139}
1140#if NUM_RECT_AREA_LIGHTS > 0
1141	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 ) {
1142		vec3 normal = geometryNormal;
1143		vec3 viewDir = geometryViewDir;
1144		vec3 position = geometryPosition;
1145		vec3 lightPos = rectAreaLight.position;
1146		vec3 halfWidth = rectAreaLight.halfWidth;
1147		vec3 halfHeight = rectAreaLight.halfHeight;
1148		vec3 lightColor = rectAreaLight.color;
1149		float roughness = material.roughness;
1150		vec3 rectCoords[ 4 ];
1151		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1152		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1153		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1154		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1155		vec4 t1 = texture2D( ltc_1, uv );
1156		vec4 t2 = texture2D( ltc_2, uv );
1157		mat3 mInv = mat3(
1158			vec3( t1.x, 0, t1.y ),
1159			vec3(    0, 1,    0 ),
1160			vec3( t1.z, 0, t1.w )
1161		);
1162		vec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );
1163		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1164		reflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1165		#ifdef USE_CLEARCOAT
1166			vec3 Ncc = geometryClearcoatNormal;
1167			vec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );
1168			vec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );
1169			vec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );
1170			mat3 mInvClearcoat = mat3(
1171				vec3( t1Clearcoat.x, 0, t1Clearcoat.y ),
1172				vec3(             0, 1,             0 ),
1173				vec3( t1Clearcoat.z, 0, t1Clearcoat.w )
1174			);
1175			vec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;
1176			clearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );
1177		#endif
1178	}
1179#endif
1180void 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 ) {
1181	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1182	vec3 irradiance = dotNL * directLight.color;
1183	#ifdef USE_CLEARCOAT
1184		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1185		vec3 ccIrradiance = dotNLcc * directLight.color;
1186		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1187	#endif
1188	#ifdef USE_SHEEN
1189 
1190 		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1191 
1192 		float sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1193 		float sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );
1194 
1195 		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );
1196 
1197 		irradiance *= sheenEnergyComp;
1198 
1199 	#endif
1200	reflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );
1201	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );
1202}
1203void 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 ) {
1204	vec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );
1205	#ifdef USE_SHEEN
1206		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1207		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1208		diffuse *= sheenEnergyComp;
1209	#endif
1210	reflectedLight.indirectDiffuse += diffuse;
1211}
1212void 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) {
1213	#ifdef USE_CLEARCOAT
1214		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1215	#endif
1216	#ifdef USE_SHEEN
1217		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;
1218 	#endif
1219	vec3 singleScatteringDielectric = vec3( 0.0 );
1220	vec3 multiScatteringDielectric = vec3( 0.0 );
1221	vec3 singleScatteringMetallic = vec3( 0.0 );
1222	vec3 multiScatteringMetallic = vec3( 0.0 );

1223	#ifdef USE_IRIDESCENCE
1224		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1225		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1226	#else
1227		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1228		computeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1229	#endif
1230	vec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );
1231	vec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );
1232	vec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;
1233	vec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );
1234	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1235	vec3 indirectSpecular = radiance * singleScattering;
1236	indirectSpecular += multiScattering * cosineWeightedIrradiance;
1237	vec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;
1238	#ifdef USE_SHEEN
1239		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1240		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1241		indirectSpecular *= sheenEnergyComp;
1242		indirectDiffuse *= sheenEnergyComp;
1243	#endif
1244	reflectedLight.indirectSpecular += indirectSpecular;
1245	reflectedLight.indirectDiffuse += indirectDiffuse;
1246}
1247#define RE_Direct				RE_Direct_Physical
1248#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1249#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1250#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1251float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1252	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1253}`,lights_fragment_begin:`
1254vec3 geometryPosition = - vViewPosition;
1255vec3 geometryNormal = normal;
1256vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1257vec3 geometryClearcoatNormal = vec3( 0.0 );
1258#ifdef USE_CLEARCOAT
1259	geometryClearcoatNormal = clearcoatNormal;
1260#endif
1261#ifdef USE_IRIDESCENCE
1262	float dotNVi = saturate( dot( normal, geometryViewDir ) );
1263	if ( material.iridescenceThickness == 0.0 ) {
1264		material.iridescence = 0.0;
1265	} else {
1266		material.iridescence = saturate( material.iridescence );
1267	}
1268	if ( material.iridescence > 0.0 ) {
1269		material.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1270		material.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );
1271		material.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );
1272		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1273	}
1274#endif
1275IncidentLight directLight;
1276#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1277	PointLight pointLight;
1278	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1279	PointLightShadow pointLightShadow;
1280	#endif
1281	#pragma unroll_loop_start
1282	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1283		pointLight = pointLights[ i ];
1284		getPointLightInfo( pointLight, geometryPosition, directLight );
1285		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
1286		pointLightShadow = pointLightShadows[ i ];
1287		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1288		#endif
1289		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1290	}
1291	#pragma unroll_loop_end
1292#endif
1293#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1294	SpotLight spotLight;
1295	vec4 spotColor;
1296	vec3 spotLightCoord;
1297	bool inSpotLightMap;
1298	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1299	SpotLightShadow spotLightShadow;
1300	#endif
1301	#pragma unroll_loop_start
1302	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1303		spotLight = spotLights[ i ];
1304		getSpotLightInfo( spotLight, geometryPosition, directLight );
1305		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1306		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1307		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1308		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1309		#else
1310		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1311		#endif
1312		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1313			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1314			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1315			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1316			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1317		#endif
1318		#undef SPOT_LIGHT_MAP_INDEX
1319		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1320		spotLightShadow = spotLightShadows[ i ];
1321		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1322		#endif
1323		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1324	}
1325	#pragma unroll_loop_end
1326#endif
1327#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1328	DirectionalLight directionalLight;
1329	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1330	DirectionalLightShadow directionalLightShadow;
1331	#endif
1332	#pragma unroll_loop_start
1333	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1334		directionalLight = directionalLights[ i ];
1335		getDirectionalLightInfo( directionalLight, directLight );
1336		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1337		directionalLightShadow = directionalLightShadows[ i ];
1338		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1339		#endif
1340		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1341	}
1342	#pragma unroll_loop_end
1343#endif
1344#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1345	RectAreaLight rectAreaLight;
1346	#pragma unroll_loop_start
1347	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1348		rectAreaLight = rectAreaLights[ i ];
1349		RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1350	}
1351	#pragma unroll_loop_end
1352#endif
1353#if defined( RE_IndirectDiffuse )
1354	vec3 iblIrradiance = vec3( 0.0 );
1355	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1356	#if defined( USE_LIGHT_PROBES )
1357		irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );
1358	#endif
1359	#if ( NUM_HEMI_LIGHTS > 0 )
1360		#pragma unroll_loop_start
1361		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1362			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );
1363		}
1364		#pragma unroll_loop_end
1365	#endif

1592
1593	mapN.xy *= normalScale;
1594	normal = normalize( tbn * mapN );
1595#elif defined( USE_BUMPMAP )
1596	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
1597#endif`,normal_pars_fragment:`#ifndef FLAT_SHADED
1598	varying vec3 vNormal;
1599	#ifdef USE_TANGENT
1600		varying vec3 vTangent;
1601		varying vec3 vBitangent;
1602	#endif
1603#endif`,normal_pars_vertex:`#ifndef FLAT_SHADED
1604	varying vec3 vNormal;
1605	#ifdef USE_TANGENT
1606		varying vec3 vTangent;
1607		varying vec3 vBitangent;
1608	#endif
1609#endif`,normal_vertex:`#ifndef FLAT_SHADED
1610	vNormal = normalize( transformedNormal );
1611	#ifdef USE_TANGENT
1612		vTangent = normalize( transformedTangent );
1613		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );
1614	#endif
1615#endif`,normalmap_pars_fragment:`#ifdef USE_NORMALMAP
1616	uniform sampler2D normalMap;
1617	uniform vec2 normalScale;
1618#endif
1619#ifdef USE_NORMALMAP_OBJECTSPACE
1620	uniform mat3 normalMatrix;
1621#endif
1622#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )
1623	mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {
1624		vec3 q0 = dFdx( eye_pos.xyz );
1625		vec3 q1 = dFdy( eye_pos.xyz );
1626		vec2 st0 = dFdx( uv.st );
1627		vec2 st1 = dFdy( uv.st );
1628		vec3 N = surf_norm;
1629		vec3 q1perp = cross( q1, N );
1630		vec3 q0perp = cross( N, q0 );
1631		vec3 T = q1perp * st0.x + q0perp * st1.x;
1632		vec3 B = q1perp * st0.y + q0perp * st1.y;
1633		float det = max( dot( T, T ), dot( B, B ) );
1634		float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );
1635		return mat3( T * scale, B * scale, N );
1636	}
1637#endif`,clearcoat_normal_fragment_begin:`#ifdef USE_CLEARCOAT
1638	vec3 clearcoatNormal = nonPerturbedNormal;
1639#endif`,clearcoat_normal_fragment_maps:`#ifdef USE_CLEARCOAT_NORMALMAP
1640	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;
1641	clearcoatMapN.xy *= clearcoatNormalScale;
1642	clearcoatNormal = normalize( tbn2 * clearcoatMapN );
1643#endif`,clearcoat_pars_fragment:`#ifdef USE_CLEARCOATMAP
1644	uniform sampler2D clearcoatMap;
1645#endif
1646#ifdef USE_CLEARCOAT_NORMALMAP
1647	uniform sampler2D clearcoatNormalMap;
1648	uniform vec2 clearcoatNormalScale;
1649#endif
1650#ifdef USE_CLEARCOAT_ROUGHNESSMAP
1651	uniform sampler2D clearcoatRoughnessMap;
1652#endif`,iridescence_pars_fragment:`#ifdef USE_IRIDESCENCEMAP
1653	uniform sampler2D iridescenceMap;
1654#endif
1655#ifdef USE_IRIDESCENCE_THICKNESSMAP
1656	uniform sampler2D iridescenceThicknessMap;
1657#endif`,opaque_fragment:`#ifdef OPAQUE
1658diffuseColor.a = 1.0;
1659#endif
1660#ifdef USE_TRANSMISSION
1661diffuseColor.a *= material.transmissionAlpha;
1662#endif
1663gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,packing:`vec3 packNormalToRGB( const in vec3 normal ) {
1664	return normalize( normal ) * 0.5 + 0.5;
1665}
1666vec3 unpackRGBToNormal( const in vec3 rgb ) {
1667	return 2.0 * rgb.xyz - 1.0;
1668}
1669const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;
1670const float Inv255 = 1. / 255.;
1671const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );
1672const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );
1673const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );
1674const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );
1675vec4 packDepthToRGBA( const in float v ) {
1676	if( v <= 0.0 )
1677		return vec4( 0., 0., 0., 0. );
1678	if( v >= 1.0 )
1679		return vec4( 1., 1., 1., 1. );
1680	float vuf;
1681	float af = modf( v * PackFactors.a, vuf );
1682	float bf = modf( vuf * ShiftRight8, vuf );
1683	float gf = modf( vuf * ShiftRight8, vuf );
1684	return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );
1685}
1686vec3 packDepthToRGB( const in float v ) {
1687	if( v <= 0.0 )
1688		return vec3( 0., 0., 0. );
1689	if( v >= 1.0 )
1690		return vec3( 1., 1., 1. );
1691	float vuf;
1692	float bf = modf( v * PackFactors.b, vuf );
1693	float gf = modf( vuf * ShiftRight8, vuf );
1694	return vec3( vuf * Inv255, gf * PackUpscale, bf );
1695}
1696vec2 packDepthToRG( const in float v ) {
1697	if( v <= 0.0 )
1698		return vec2( 0., 0. );
1699	if( v >= 1.0 )
1700		return vec2( 1., 1. );
1701	float vuf;
1702	float gf = modf( v * 256., vuf );
1703	return vec2( vuf * Inv255, gf );
1704}
1705float unpackRGBAToDepth( const in vec4 v ) {
1706	return dot( v, UnpackFactors4 );
1707}
1708float unpackRGBToDepth( const in vec3 v ) {
1709	return dot( v, UnpackFactors3 );
1710}
1711float unpackRGToDepth( const in vec2 v ) {
1712	return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;
1713}
1714vec4 pack2HalfToRGBA( const in vec2 v ) {
1715	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );
1716	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );
1717}
1718vec2 unpackRGBATo2Half( const in vec4 v ) {
1719	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
1720}
1721float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
1722	return ( viewZ + near ) / ( near - far );
1723}
1724float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {
1725	

2013
2014	vec4 shadowWorldPosition;
2015#endif
2016#if defined( USE_SHADOWMAP )
2017	#if NUM_DIR_LIGHT_SHADOWS > 0
2018		#pragma unroll_loop_start
2019		for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2020			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
2021			vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
2022		}
2023		#pragma unroll_loop_end
2024	#endif
2025	#if NUM_POINT_LIGHT_SHADOWS > 0
2026		#pragma unroll_loop_start
2027		for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2028			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
2029			vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
2030		}
2031		#pragma unroll_loop_end
2032	#endif
2033#endif
2034#if NUM_SPOT_LIGHT_COORDS > 0
2035	#pragma unroll_loop_start
2036	for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {
2037		shadowWorldPosition = worldPosition;
2038		#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
2039			shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;
2040		#endif
2041		vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;
2042	}
2043	#pragma unroll_loop_end
2044#endif`,shadowmask_pars_fragment:`float getShadowMask() {
2045	float shadow = 1.0;
2046	#ifdef USE_SHADOWMAP
2047	#if NUM_DIR_LIGHT_SHADOWS > 0
2048	DirectionalLightShadow directionalLight;
2049	#pragma unroll_loop_start
2050	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2051		directionalLight = directionalLightShadows[ i ];
2052		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
2053	}
2054	#pragma unroll_loop_end
2055	#endif
2056	#if NUM_SPOT_LIGHT_SHADOWS > 0
2057	SpotLightShadow spotLight;
2058	#pragma unroll_loop_start
2059	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
2060		spotLight = spotLightShadows[ i ];
2061		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
2062	}
2063	#pragma unroll_loop_end
2064	#endif
2065	#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
2066	PointLightShadow pointLight;
2067	#pragma unroll_loop_start
2068	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2069		pointLight = pointLightShadows[ i ];
2070		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
2071	}
2072	#pragma unroll_loop_end
2073	#endif
2074	#endif
2075	return shadow;
2076}`,skinbase_vertex:`#ifdef USE_SKINNING
2077	mat4 boneMatX = getBoneMatrix( skinIndex.x );
2078	mat4 boneMatY = getBoneMatrix( skinIndex.y );
2079	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
2080	mat4 boneMatW = getBoneMatrix( skinIndex.w );
2081#endif`,skinning_pars_vertex:`#ifdef USE_SKINNING
2082	uniform mat4 bindMatrix;
2083	uniform mat4 bindMatrixInverse;
2084	uniform highp sampler2D boneTexture;
2085	mat4 getBoneMatrix( const in float i ) {
2086		int size = textureSize( boneTexture, 0 ).x;
2087		int j = int( i ) * 4;
2088		int x = j % size;
2089		int y = j / size;
2090		vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );
2091		vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );
2092		vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );
2093		vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );
2094		return mat4( v1, v2, v3, v4 );
2095	}
2096#endif`,skinning_vertex:`#ifdef USE_SKINNING
2097	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
2098	vec4 skinned = vec4( 0.0 );
2099	skinned += boneMatX * skinVertex * skinWeight.x;
2100	skinned += boneMatY * skinVertex * skinWeight.y;
2101	skinned += boneMatZ * skinVertex * skinWeight.z;
2102	skinned += boneMatW * skinVertex * skinWeight.w;
2103	transformed = ( bindMatrixInverse * skinned ).xyz;
2104#endif`,skinnormal_vertex:`#ifdef USE_SKINNING
2105	mat4 skinMatrix = mat4( 0.0 );
2106	skinMatrix += skinWeight.x * boneMatX;
2107	skinMatrix += skinWeight.y * boneMatY;
2108	skinMatrix += skinWeight.z * boneMatZ;
2109	skinMatrix += skinWeight.w * boneMatW;
2110	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
2111	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
2112	#ifdef USE_TANGENT
2113		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
2114	#endif
2115#endif`,specularmap_fragment:`float specularStrength;
2116#ifdef USE_SPECULARMAP
2117	vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );
2118	specularStrength = texelSpecular.r;
2119#else
2120	specularStrength = 1.0;
2121#endif`,specularmap_pars_fragment:`#ifdef USE_SPECULARMAP
2122	uniform sampler2D specularMap;
2123#endif`,tonemapping_fragment:`#if defined( TONE_MAPPING )
2124	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
2125#endif`,tonemapping_pars_fragment:`#ifndef saturate
2126#define saturate( a ) clamp( a, 0.0, 1.0 )
2127#endif
2128uniform float toneMappingExposure;
2129vec3 LinearToneMapping( vec3 color ) {
2130	return saturate( toneMappingExposure * color );
2131}
2132vec3 ReinhardToneMapping( vec3 color ) {
2133	color *= toneMappingExposure;
2134	return saturate( color / ( vec3( 1.0 ) + color ) );
2135}
2136vec3 CineonToneMapping( vec3 color ) {
2137	color *= toneMappingExposure;
2138	color = max( vec3( 0.0 ), color - 0.004 );
2139	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
2140}
2141vec3 RRTAndODTFit( vec3 v ) {
2142	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;
2143	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;
2144	return a / b;
2145}
2146vec3 ACESFilmicToneMapping( vec3 color ) {
2147	const mat3 ACESInputMat = mat3(
2148		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),
2149		vec3( 0.04823, 0.01566, 0.83777 )
2150	);
2151	const mat3 ACESOutputMat = mat3(
2152		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),
2153		vec3( -0.07367, -0.00605,  1.07602 )
2154	);
2155	color *= toneMappingExposure / 0.6;
2156	color = ACESInputMat * color;
2157	color = RRTAndODTFit( color );
2158	color = ACESOutputMat * color;
2159	return saturate( color );
2160}
2161const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(
2162	vec3( 1.6605, - 0.1246, - 0.0182 ),
2163	vec3( - 0.5876, 1.1329, - 0.1006 ),
2164	vec3( - 0.0728, - 0.0083, 1.1187 )
2165);
2166const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(
2167	vec3( 0.6274, 0.0691, 0.0164 ),
2168	vec3( 0.3293, 0.9195, 0.0880 ),
2169	vec3( 0.0433, 0.0113, 0.8956 )
2170);
2171vec3 agxDefaultContrastApprox( vec3 x ) {
2172	vec3 x2 = x * x;
2173	vec3 x4 = x2 * x2;
2174	return + 15.5 * x4 * x2
2175		- 40.14 * x4 * x
2176		+ 31.96 * x4
2177		- 6.868 * x2 * x
2178		+ 0.4298 * x2
2179		+ 0.1191 * x
2180		- 0.00232;
2181}
2182vec3 AgXToneMapping( vec3 color ) {
2183	const mat3 AgXInsetMatrix = mat3(
2184		vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),
2185		vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),
2186		vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )
2187	);
2188	const mat3 AgXOutsetMatrix = mat3(
2189		vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),
2190		vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),
2191		vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )
2192	);
2193	const float AgxMinEv = - 12.47393;	const float AgxMaxEv = 4.026069;
2194	color *= toneMappingExposure;
2195	color = LINEAR_SRGB_TO_LINEAR_REC2020 * color;
2196	color = AgXInsetMatrix * color;
2197	color = max( color, 1e-10 );	color = log2( color );
2198	color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );
2199	color = clamp( color, 0.0, 1.0 );
2200	color = agxDefaultContrastApprox( color );
2201	color = AgXOutsetMatrix * color;
2202	color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );
2203	color = LINEAR_REC2020_TO_LINEAR_SRGB * color;
2204	color = clamp( color, 0.0, 1.0 );
2205	return color;
2206}
2207vec3 NeutralToneMapping( vec3 color ) {
2208	const float StartCompression = 0.8 - 0.04;
2209	const float Desaturation = 0.15;
2210	color *= toneMappingExposure;
2211	float x = min( color.r, min( color.g, color.b ) );
2212	float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;
2213	color -= offset;
2214	float peak = max( color.r, max( color.g, color.b ) );
2215	if ( peak < StartCompression ) return color;
2216	float d = 1. - StartCompression;
2217	float newPeak = 1. - d * d / ( peak + d - StartCompression );
2218	color *= newPeak / peak;
2219	float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );
2220	return mix( color, vec3( newPeak ), g );
2221}
2222vec3 CustomToneMapping( vec3 color ) { return color; }`,transmission_fragment:`#ifdef USE_TRANSMISSION
2223	material.transmission = transmission;
2224	material.transmissionAlpha = 1.0;
2225	material.thickness = thickness;
2226	material.attenuationDistance = attenuationDistance;
2227	material.attenuationColor = attenuationColor;
2228	#ifdef USE_TRANSMISSIONMAP
2229		material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;
2230	#endif
2231	#ifdef USE_THICKNESSMAP
2232		material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;
2233	#endif
2234	vec3 pos = vWorldPosition;
2235	vec3 v = normalize( cameraPosition - pos );
2236	vec3 n = inverseTransformDirection( normal, viewMatrix );
2237	vec4 transmitted = getIBLVolumeRefraction(
2238		n, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,
2239		pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,
2240		material.attenuationColor, material.attenuationDistance );
2241	material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );
2242	totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );
2243#endif`,transmission_pars_fragment:`#ifdef USE_TRANSMISSION
2244	uniform float transmission;
2245	uniform float thickness;
2246	uniform float attenuationDistance;
2247	uniform vec3 attenuationColor;
2248	#ifdef USE_TRANSMISSIONMAP
2249		uniform sampler2D transmissionMap;
2250	#endif
2251	#ifdef USE_THICKNESSMAP
2252		uniform sampler2D thicknessMap;
2253	#endif
2254	uniform vec2 transmissionSamplerSize;
2255	uniform sampler2D transmissionSamplerMap;
2256	uniform mat4 modelMatrix;
2257	uniform mat4 projectionMatrix;
2258	varying vec3 vWorldPosition;
2259	float w0( float a ) {
2260		return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );
2261	}
2262	float w1( float a ) {
2263		return ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );
2264	}
2265	float w2( float a ){
2266		return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );
2267	}
2268	float w3( float a ) {
2269		return ( 1.0 / 6.0 ) * ( a * a * a );
2270	}
2271	float g0( float a ) {
2272		return w0( a ) + w1( a );
2273	}
2274	float g1( float a ) {
2275		return w2( a ) + w3( a );
2276	}
2277	float h0( float a ) {
2278		return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );
2279	}
2280	float h1( float a ) {
2281		return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );
2282	}
2283	vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {
2284		uv = uv * texelSize.zw + 0.5;
2285		vec2 iuv = floor( uv );
2286		vec2 fuv = fract( uv );
2287		float g0x = g0( fuv.x );
2288		float g1x = g1( fuv.x );
2289		float h0x = h0( fuv.x );
2290		float h1x = h1( fuv.x );
2291		float h0y = h0( fuv.y );
2292		float h1y = h1( fuv.y );
2293		vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2294		vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2295		vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2296		vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2297		return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +
2298			g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );
2299	}
2300	vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {
2301		vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );
2302		vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );
2303		vec2 fLodSizeInv = 1.0 / fLodSize;
2304		vec2 cLodSizeInv = 1.0 / cLodSize;
2305		vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );
2306		vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );
2307		return mix( fSample, cSample, fract( lod ) );
2308	}
2309	vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {
2310		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );
2311		vec3 modelScale;
2312		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );
2313		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );
2314		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );
2315		return normalize( refractionVector ) * thickness * modelScale;
2316	}
2317	float applyIorToRoughness( const in float roughness, const in float ior ) {
2318		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );
2319	}
2320	vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {
2321		float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );
2322		return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );
2323	}
2324	vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {
2325		if ( isinf( attenuationDistance ) ) {
2326			return vec3( 1.0 );
2327		} else {
2328			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;
2329			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance;
2330		}
2331	}
2332	vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,
2333		const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,
2334		const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,
2335		const in vec3 attenuationColor, const in float attenuationDistance ) {
2336		vec4 transmittedLight;
2337		vec3 transmittance;
2338		#ifdef USE_DISPERSION
2339			float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;
2340			vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );
2341			for ( int i = 0; i < 3; i ++ ) {
2342				vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );
2343				vec3 refractedRayExit = position + transmissionRay;
2344				vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2345				vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2346				refractionCoords += 1.0;
2347				refractionCoords /= 2.0;
2348				vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );
2349				transmittedLight[ i ] = transmissionSample[ i ];
2350				transmittedLight.a += transmissionSample.a;
2351				transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];
2352			}
2353			transmittedLight.a /= 3.0;
2354		#else
2355			vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );
2356			vec3 refractedRayExit = position + transmissionRay;
2357			vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2358			vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2359			refractionCoords += 1.0;
2360			refractionCoords /= 2.0;
2361			transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );
2362			transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );
2363		#endif
2364		vec3 attenuatedColor = transmittance * transmittedLight.rgb;
2365		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
2366		float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;
2367		return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );
2368	}
2369#endif`,uv_pars_fragment:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2370	varying vec2 vUv;
2371#endif
2372#ifdef USE_MAP
2373	varying vec2 vMapUv;
2374#endif
2375#ifdef USE_ALPHAMAP

2376	varying vec2 vAlphaMapUv;
2377#endif
2378#ifdef USE_LIGHTMAP
2379	varying vec2 vLightMapUv;
2380#endif
2381#ifdef USE_AOMAP
2382	varying vec2 vAoMapUv;
2383#endif
2384#ifdef USE_BUMPMAP
2385	varying vec2 vBumpMapUv;
2386#endif
2387#ifdef USE_NORMALMAP
2388	varying vec2 vNormalMapUv;
2389#endif
2390#ifdef USE_EMISSIVEMAP
2391	varying vec2 vEmissiveMapUv;
2392#endif
2393#ifdef USE_METALNESSMAP
2394	varying vec2 vMetalnessMapUv;
2395#endif
2396#ifdef USE_ROUGHNESSMAP
2397	varying vec2 vRoughnessMapUv;
2398#endif
2399#ifdef USE_ANISOTROPYMAP
2400	varying vec2 vAnisotropyMapUv;
2401#endif
2402#ifdef USE_CLEARCOATMAP
2403	varying vec2 vClearcoatMapUv;
2404#endif
2405#ifdef USE_CLEARCOAT_NORMALMAP
2406	varying vec2 vClearcoatNormalMapUv;
2407#endif
2408#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2409	varying vec2 vClearcoatRoughnessMapUv;
2410#endif
2411#ifdef USE_IRIDESCENCEMAP
2412	varying vec2 vIridescenceMapUv;
2413#endif
2414#ifdef USE_IRIDESCENCE_THICKNESSMAP
2415	varying vec2 vIridescenceThicknessMapUv;
2416#endif
2417#ifdef USE_SHEEN_COLORMAP
2418	varying vec2 vSheenColorMapUv;
2419#endif
2420#ifdef USE_SHEEN_ROUGHNESSMAP
2421	varying vec2 vSheenRoughnessMapUv;
2422#endif
2423#ifdef USE_SPECULARMAP
2424	varying vec2 vSpecularMapUv;
2425#endif
2426#ifdef USE_SPECULAR_COLORMAP
2427	varying vec2 vSpecularColorMapUv;
2428#endif
2429#ifdef USE_SPECULAR_INTENSITYMAP
2430	varying vec2 vSpecularIntensityMapUv;
2431#endif
2432#ifdef USE_TRANSMISSIONMAP
2433	uniform mat3 transmissionMapTransform;
2434	varying vec2 vTransmissionMapUv;
2435#endif
2436#ifdef USE_THICKNESSMAP
2437	uniform mat3 thicknessMapTransform;
2438	varying vec2 vThicknessMapUv;
2439#endif`,uv_pars_vertex:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2440	varying vec2 vUv;
2441#endif
2442#ifdef USE_MAP
2443	uniform mat3 mapTransform;
2444	varying vec2 vMapUv;
2445#endif
2446#ifdef USE_ALPHAMAP
2447	uniform mat3 alphaMapTransform;
2448	varying vec2 vAlphaMapUv;
2449#endif
2450#ifdef USE_LIGHTMAP
2451	uniform mat3 lightMapTransform;
2452	varying vec2 vLightMapUv;
2453#endif
2454#ifdef USE_AOMAP
2455	uniform mat3 aoMapTransform;
2456	varying vec2 vAoMapUv;
2457#endif
2458#ifdef USE_BUMPMAP
2459	uniform mat3 bumpMapTransform;
2460	varying vec2 vBumpMapUv;
2461#endif
2462#ifdef USE_NORMALMAP
2463	uniform mat3 normalMapTransform;
2464	varying vec2 vNormalMapUv;
2465#endif
2466#ifdef USE_DISPLACEMENTMAP
2467	uniform mat3 displacementMapTransform;
2468	varying vec2 vDisplacementMapUv;
2469#endif
2470#ifdef USE_EMISSIVEMAP
2471	uniform mat3 emissiveMapTransform;
2472	varying vec2 vEmissiveMapUv;
2473#endif
2474#ifdef USE_METALNESSMAP
2475	uniform mat3 metalnessMapTransform;
2476	varying vec2 vMetalnessMapUv;
2477#endif
2478#ifdef USE_ROUGHNESSMAP
2479	uniform mat3 roughnessMapTransform;
2480	varying vec2 vRoughnessMapUv;
2481#endif
2482#ifdef USE_ANISOTROPYMAP
2483	uniform mat3 anisotropyMapTransform;
2484	varying vec2 vAnisotropyMapUv;
2485#endif
2486#ifdef USE_CLEARCOATMAP
2487	uniform mat3 clearcoatMapTransform;
2488	varying vec2 vClearcoatMapUv;
2489#endif
2490#ifdef USE_CLEARCOAT_NORMALMAP
2491	uniform mat3 clearcoatNormalMapTransform;
2492	varying vec2 vClearcoatNormalMapUv;
2493#endif
2494#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2495	uniform mat3 clearcoatRoughnessMapTransform;
2496	varying vec2 vClearcoatRoughnessMapUv;
2497#endif
2498#ifdef USE_SHEEN_COLORMAP
2499	uniform mat3 sheenColorMapTransform;
2500	varying vec2 vSheenColorMapUv;
2501#endif
2502#ifdef USE_SHEEN_ROUGHNESSMAP
2503	uniform mat3 sheenRoughnessMapTransform;
2504	varying vec2 vSheenRoughnessMapUv;
2505#endif
2506#ifdef USE_IRIDESCENCEMAP
2507	uniform mat3 iridescenceMapTransform;
2508	varying vec2 vIridescenceMapUv;
2509#endif
2510#ifdef USE_IRIDESCENCE_THICKNESSMAP
2511	uniform mat3 iridescenceThicknessMapTransform;
2512	varying vec2 vIridescenceThicknessMapUv;
2513#endif
2514#ifdef USE_SPECULARMAP
2515	uniform mat3 specularMapTransform;
2516	varying vec2 vSpecularMapUv;
2517#endif
2518#ifdef USE_SPECULAR_COLORMAP
2519	uniform mat3 specularColorMapTransform;
2520	varying vec2 vSpecularColorMapUv;
2521#endif
2522#ifdef USE_SPECULAR_INTENSITYMAP
2523	uniform mat3 specularIntensityMapTransform;
2524	varying vec2 vSpecularIntensityMapUv;
2525#endif
2526#ifdef USE_TRANSMISSIONMAP
2527	uniform mat3 transmissionMapTransform;
2528	varying vec2 vTransmissionMapUv;
2529#endif
2530#ifdef USE_THICKNESSMAP
2531	uniform mat3 thicknessMapTransform;
2532	varying vec2 vThicknessMapUv;
2533#endif`,uv_vertex:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2534	vUv = vec3( uv, 1 ).xy;
2535#endif
2536#ifdef USE_MAP
2537	vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;
2538#endif
2539#ifdef USE_ALPHAMAP
2540	vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;
2541#endif
2542#ifdef USE_LIGHTMAP
2543	vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;
2544#endif
2545#ifdef USE_AOMAP
2546	vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;
2547#endif
2548#ifdef USE_BUMPMAP
2549	vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;
2550#endif
2551#ifdef USE_NORMALMAP
2552	vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;
2553#endif
2554#ifdef USE_DISPLACEMENTMAP
2555	vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;
2556#endif
2557#ifdef USE_EMISSIVEMAP
2558	vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;
2559#endif
2560#ifdef USE_METALNESSMAP
2561	vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;
2562#endif
2563#ifdef USE_ROUGHNESSMAP
2564	vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;
2565#endif
2566#ifdef USE_ANISOTROPYMAP
2567	vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;
2568#endif
2569#ifdef USE_CLEARCOATMAP
2570	vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;
2571#endif
2572#ifdef USE_CLEARCOAT_NORMALMAP
2573	vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;
2574#endif
2575#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2576	vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;
2577#endif
2578#ifdef USE_IRIDESCENCEMAP
2579	vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;
2580#endif
2581#ifdef USE_IRIDESCENCE_THICKNESSMAP
2582	vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;
2583#endif
2584#ifdef USE_SHEEN_COLORMAP
2585	vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;
2586#endif
2587#ifdef USE_SHEEN_ROUGHNESSMAP
2588	vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;
2589#endif
2590#ifdef USE_SPECULARMAP
2591	vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;
2592#endif
2593#ifdef USE_SPECULAR_COLORMAP
2594	vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;
2595#endif
2596#ifdef USE_SPECULAR_INTENSITYMAP
2597	vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;
2598#endif
2599#ifdef USE_TRANSMISSIONMAP
2600	vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;
2601#endif
2602#ifdef USE_THICKNESSMAP
2603	vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;
2604#endif`,worldpos_vertex:`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0
2605	vec4 worldPosition = vec4( transformed, 1.0 );
2606	#ifdef USE_BATCHING
2607		worldPosition = batchingMatrix * worldPosition;
2608	#endif
2609	#ifdef USE_INSTANCING
2610		worldPosition = instanceMatrix * worldPosition;
2611	#endif
2612	worldPosition = modelMatrix * worldPosition;
2613#endif`,background_vert:`varying vec2 vUv;
2614uniform mat3 uvTransform;
2615void main() {
2616	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
2617	gl_Position = vec4( position.xy, 1.0, 1.0 );
2618}`,background_frag:`uniform sampler2D t2D;
2619uniform float backgroundIntensity;
2620varying vec2 vUv;
2621void main() {
2622	vec4 texColor = texture2D( t2D, vUv );
2623	#ifdef DECODE_VIDEO_TEXTURE
2624		texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );
2625	#endif
2626	texColor.rgb *= backgroundIntensity;
2627	gl_FragColor = texColor;
2628	#include <tonemapping_fragment>
2629	#include <colorspace_fragment>
2630}`,backgroundCube_vert:`varying vec3 vWorldDirection;
2631#include <common>
2632void main() {
2633	vWorldDirection = transformDirection( position, modelMatrix );
2634	#include <begin_vertex>
2635	#include <project_vertex>
2636	gl_Position.z = gl_Position.w;
2637}`,backgroundCube_frag:`#ifdef ENVMAP_TYPE_CUBE
2638	uniform samplerCube envMap;
2639#elif defined( ENVMAP_TYPE_CUBE_UV )
2640	uniform sampler2D envMap;
2641#endif
2642uniform float