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t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],o=e[4],l=e[5],u=e[6],c=e[7],f=e[8];return t*o*f-t*l*c-i*s*f+i*l*u+r*s*c-r*o*u}invert(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],o=e[4],l=e[5],u=e[6],c=e[7],f=e[8],d=f*o-l*c,p=l*u-f*s,v=c*s-o*u,m=t*d+i*p+r*v;if(m===0)return this.set(0,0,0,0,0,0,0,0,0);const h=1/m;return e[0]=d*h,e[1]=(r*c-f*i)*h,e[2]=(l*i-r*o)*h,e[3]=p*h,e[4]=(f*t-r*u)*h,e[5]=(r*s-l*t)*h,e[6]=v*h,e[7]=(i*u-c*t)*h,e[8]=(o*t-i*s)*h,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,i,r,s,o,l){const u=Math.cos(s),c=Math.sin(s);return 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this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const i={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(this.image!==void 0){const r=this.image;if(r.uuid===void 0&&(r.uuid=fn()),!t&&e.images[r.uuid]===void 0){let s;if(Array.isArray(r)){s=[];for(let o=0,l=r.length;o1)switch(this.wrapS){case Qi:e.x=e.x-Math.floor(e.x);break;case zt:e.x=e.x<0?0:1;break;case Es:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Qi:e.y=e.y-Math.floor(e.y);break;case zt:e.y=e.y<0?0:1;break;case Es:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&this.version++}}Mt.DEFAULT_IMAGE=void 0,Mt.DEFAULT_MAPPING=El,Mt.prototype.isTexture=!0;function Fh(n){return typeof HTMLImageElement<"u"&&n instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&n instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&n instanceof ImageBitmap?Vr.getDataURL(n):n.data?{data:Array.prototype.slice.call(n.data),width:n.width,height:n.height,type:n.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}class it{constructor(e=0,t=0,i=0,r=1){this.x=e,this.y=t,this.z=i,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,i,r){return this.x=e,this.y=t,this.z=i,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,i=this.y,r=this.z,s=this.w,o=e.elements;return this.x=o[0]*t+o[4]*i+o[8]*r+o[12]*s,this.y=o[1]*t+o[5]*i+o[9]*r+o[13]*s,this.z=o[2]*t+o[6]*i+o[10]*r+o[14]*s,this.w=o[3]*t+o[7]*i+o[11]*r+o[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,i,r,s;const u=e.elements,c=u[0],f=u[4],d=u[8],p=u[1],v=u[5],m=u[9],h=u[2],b=u[6],y=u[10];if(Math.abs(f-p)<.01&&Math.abs(d-h)<.01&&Math.abs(m-b)<.01){if(Math.abs(f+p)<.1&&Math.abs(d+h)<.1&&Math.abs(m+b)<.1&&Math.abs(c+v+y-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const w=(c+1)/2,A=(v+1)/2,S=(y+1)/2,M=(f+p)/4,F=(d+h)/4,R=(m+b)/4;return w>A&&w>S?w<.01?(i=0,r=.707106781,s=.707106781):(i=Math.sqrt(w),r=M/i,s=F/i):A>S?A<.01?(i=.707106781,r=0,s=.707106781):(r=Math.sqrt(A),i=M/r,s=R/r):S<.01?(i=.707106781,r=.707106781,s=0):(s=Math.sqrt(S),i=F/s,r=R/s),this.set(i,r,s,t),this}let g=Math.sqrt((b-m)*(b-m)+(d-h)*(d-h)+(p-f)*(p-f));return Math.abs(g)<.001&&(g=1),this.x=(b-m)/g,this.y=(d-h)/g,this.z=(p-f)/g,this.w=Math.acos((c+v+y-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t,i){return i!==void 0&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}it.prototype.isVector4=!0;class Pn extends tr{constructor(e,t,i={}){super(),this.width=e,this.height=t,this.depth=1,this.scissor=new it(0,0,e,t),this.scissorTest=!1,this.viewport=new it(0,0,e,t),this.texture=new Mt(void 0,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.encoding),this.texture.image={width:e,height:t,depth:1},this.texture.generateMipmaps=i.generateMipmaps!==void 0?i.generateMipmaps:!1,this.texture.minFilter=i.minFilter!==void 0?i.minFilter:vt,this.depthBuffer=i.depthBuffer!==void 0?i.depthBuffer:!0,this.stencilBuffer=i.stencilBuffer!==void 0?i.stencilBuffer:!1,this.depthTexture=i.depthTexture!==void 0?i.depthTexture:null}setTexture(e){e.image={width:this.width,height:this.height,depth:this.depth},this.texture=e}setSize(e,t,i=1){(this.width!==e||this.height!==t||this.depth!==i)&&(this.width=e,this.height=t,this.depth=i,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=i,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.image={...this.texture.image},this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this}dispose(){this.dispatchEvent({type:"dispose"})}}Pn.prototype.isWebGLRenderTarget=!0;class xv extends Pn{constructor(e,t,i){super(e,t);const r=this.texture;this.texture=[];for(let s=0;s=0?1:-1,w=1-y*y;if(w>Number.EPSILON){const S=Math.sqrt(w),M=Math.atan2(S,y*g);b=Math.sin(b*M)/S,l=Math.sin(l*M)/S}const A=l*g;if(u=u*b+p*A,c=c*b+v*A,f=f*b+m*A,d=d*b+h*A,b===1-l){const S=1/Math.sqrt(u*u+c*c+f*f+d*d);u*=S,c*=S,f*=S,d*=S}}e[t]=u,e[t+1]=c,e[t+2]=f,e[t+3]=d}static multiplyQuaternionsFlat(e,t,i,r,s,o){const l=i[r],u=i[r+1],c=i[r+2],f=i[r+3],d=s[o],p=s[o+1],v=s[o+2],m=s[o+3];return e[t]=l*m+f*d+u*v-c*p,e[t+1]=u*m+f*p+c*d-l*v,e[t+2]=c*m+f*v+l*p-u*d,e[t+3]=f*m-l*d-u*p-c*v,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,r){return this._x=e,this._y=t,this._z=i,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const i=e._x,r=e._y,s=e._z,o=e._order,l=Math.cos,u=Math.sin,c=l(i/2),f=l(r/2),d=l(s/2),p=u(i/2),v=u(r/2),m=u(s/2);switch(o){case"XYZ":this._x=p*f*d+c*v*m,this._y=c*v*d-p*f*m,this._z=c*f*m+p*v*d,this._w=c*f*d-p*v*m;break;case"YXZ":this._x=p*f*d+c*v*m,this._y=c*v*d-p*f*m,this._z=c*f*m-p*v*d,this._w=c*f*d+p*v*m;break;case"ZXY":this._x=p*f*d-c*v*m,this._y=c*v*d+p*f*m,this._z=c*f*m+p*v*d,this._w=c*f*d-p*v*m;break;case"ZYX":this._x=p*f*d-c*v*m,this._y=c*v*d+p*f*m,this._z=c*f*m-p*v*d,this._w=c*f*d+p*v*m;break;case"YZX":this._x=p*f*d+c*v*m,this._y=c*v*d+p*f*m,this._z=c*f*m-p*v*d,this._w=c*f*d-p*v*m;break;case"XZY":this._x=p*f*d-c*v*m,this._y=c*v*d-p*f*m,this._z=c*f*m+p*v*d,this._w=c*f*d+p*v*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const i=t/2,r=Math.sin(i);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,i=t[0],r=t[4],s=t[8],o=t[1],l=t[5],u=t[9],c=t[2],f=t[6],d=t[10],p=i+l+d;if(p>0){const v=.5/Math.sqrt(p+1);this._w=.25/v,this._x=(f-u)*v,this._y=(s-c)*v,this._z=(o-r)*v}else if(i>l&&i>d){const v=2*Math.sqrt(1+i-l-d);this._w=(f-u)/v,this._x=.25*v,this._y=(r+o)/v,this._z=(s+c)/v}else if(l>d){const v=2*Math.sqrt(1+l-i-d);this._w=(s-c)/v,this._x=(r+o)/v,this._y=.25*v,this._z=(u+f)/v}else{const v=2*Math.sqrt(1+d-i-l);this._w=(o-r)/v,this._x=(s+c)/v,this._y=(u+f)/v,this._z=.25*v}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return iMath.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs($t(this.dot(e),-1,1)))}rotateTowards(e,t){const i=this.angleTo(e);if(i===0)return this;const r=Math.min(1,t/i);return this.slerp(e,r),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e,t){return t!==void 0?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const i=e._x,r=e._y,s=e._z,o=e._w,l=t._x,u=t._y,c=t._z,f=t._w;return this._x=i*f+o*l+r*c-s*u,this._y=r*f+o*u+s*l-i*c,this._z=s*f+o*c+i*u-r*l,this._w=o*f-i*l-r*u-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const i=this._x,r=this._y,s=this._z,o=this._w;let l=o*e._w+i*e._x+r*e._y+s*e._z;if(l<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,l=-l):this.copy(e),l>=1)return this._w=o,this._x=i,this._y=r,this._z=s,this;const u=1-l*l;if(u<=Number.EPSILON){const v=1-t;return this._w=v*o+t*this._w,this._x=v*i+t*this._x,this._y=v*r+t*this._y,this._z=v*s+t*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(u),f=Math.atan2(c,l),d=Math.sin((1-t)*f)/c,p=Math.sin(t*f)/c;return this._w=o*d+this._w*p,this._x=i*d+this._x*p,this._y=r*d+this._y*p,this._z=s*d+this._z*p,this._onChangeCallback(),this}slerpQuaternions(e,t,i){this.copy(e).slerp(t,i)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Zt.prototype.isQuaternion=!0;class q{constructor(e=0,t=0,i=0){this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e,t){return t!==void 0?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e,t){return t!==void 0?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(wv.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(wv.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[3]*i+s[6]*r,this.y=s[1]*t+s[4]*i+s[7]*r,this.z=s[2]*t+s[5]*i+s[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,i=this.y,r=this.z,s=e.elements,o=1/(s[3]*t+s[7]*i+s[11]*r+s[15]);return this.x=(s[0]*t+s[4]*i+s[8]*r+s[12])*o,this.y=(s[1]*t+s[5]*i+s[9]*r+s[13])*o,this.z=(s[2]*t+s[6]*i+s[10]*r+s[14])*o,this}applyQuaternion(e){const t=this.x,i=this.y,r=this.z,s=e.x,o=e.y,l=e.z,u=e.w,c=u*t+o*r-l*i,f=u*i+l*t-s*r,d=u*r+s*i-o*t,p=-s*t-o*i-l*r;return this.x=c*u+p*-s+f*-l-d*-o,this.y=f*u+p*-o+d*-s-c*-l,this.z=d*u+p*-l+c*-o-f*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*r,this.y=s[1]*t+s[5]*i+s[9]*r,this.z=s[2]*t+s[6]*i+s[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e,t){return t!==void 0?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)}crossVectors(e,t){const i=e.x,r=e.y,s=e.z,o=t.x,l=t.y,u=t.z;return this.x=r*u-s*l,this.y=s*o-i*u,this.z=i*l-r*o,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return Ih.copy(this).projectOnVector(e),this.sub(Ih)}reflect(e){return this.sub(Ih.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const i=this.dot(e)/t;return Math.acos($t(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y,r=this.z-e.z;return t*t+i*i+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){const r=Math.sin(t)*e;return this.x=r*Math.sin(i),this.y=Math.cos(t)*e,this.z=r*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t,i){return i!==void 0&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}}q.prototype.isVector3=!0;const Ih=new q,wv=new Zt;class ln{constructor(e=new q(1/0,1/0,1/0),t=new q(-1/0,-1/0,-1/0)){this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,i=1/0,r=1/0,s=-1/0,o=-1/0,l=-1/0;for(let u=0,c=e.length;us&&(s=f),d>o&&(o=d),p>l&&(l=p)}return this.min.set(t,i,r),this.max.set(s,o,l),this}setFromBufferAttribute(e){let t=1/0,i=1/0,r=1/0,s=-1/0,o=-1/0,l=-1/0;for(let u=0,c=e.count;us&&(s=f),d>o&&(o=d),p>l&&(l=p)}return this.min.set(t,i,r),this.max.set(s,o,l),this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)}intersectsSphere(e){return this.clampPoint(e.center,ta),ta.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(na),Dl.subVectors(this.max,na),Os.subVectors(e.a,na),Ns.subVectors(e.b,na),Bs.subVectors(e.c,na),nr.subVectors(Ns,Os),ir.subVectors(Bs,Ns),kr.subVectors(Os,Bs);let t=[0,-nr.z,nr.y,0,-ir.z,ir.y,0,-kr.z,kr.y,nr.z,0,-nr.x,ir.z,0,-ir.x,kr.z,0,-kr.x,-nr.y,nr.x,0,-ir.y,ir.x,0,-kr.y,kr.x,0];return!Nh(t,Os,Ns,Bs,Dl)||(t=[1,0,0,0,1,0,0,0,1],!Nh(t,Os,Ns,Bs,Dl))?!1:(Vl.crossVectors(nr,ir),t=[Vl.x,Vl.y,Vl.z],Nh(t,Os,Ns,Bs,Dl))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return ta.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(ta).length()*.5,e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Mi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mi),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}ln.prototype.isBox3=!0;const Mi=[new q,new q,new q,new q,new q,new q,new q,new q],ta=new q,Oh=new ln,Os=new q,Ns=new q,Bs=new q,nr=new q,ir=new q,kr=new q,na=new q,Dl=new q,Vl=new q,zr=new q;function Nh(n,e,t,i,r){for(let s=0,o=n.length-3;s<=o;s+=3){zr.fromArray(n,s);const l=r.x*Math.abs(zr.x)+r.y*Math.abs(zr.y)+r.z*Math.abs(zr.z),u=e.dot(zr),c=t.dot(zr),f=i.dot(zr);if(Math.max(-Math.max(u,c,f),Math.min(u,c,f))>l)return!1}return!0}const kR=new ln,Mv=new q,Bh=new q,Dh=new q;class Ai{constructor(e=new q,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const i=this.center;t!==void 0?i.copy(t):kR.setFromPoints(e).getCenter(i);let r=0;for(let s=0,o=e.length;sthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){Dh.subVectors(e,this.center);const t=Dh.lengthSq();if(t>this.radius*this.radius){const i=Math.sqrt(t),r=(i-this.radius)*.5;this.center.add(Dh.multiplyScalar(r/i)),this.radius+=r}return this}union(e){return Bh.subVectors(e.center,this.center).normalize().multiplyScalar(e.radius),this.expandByPoint(Mv.copy(e.center).add(Bh)),this.expandByPoint(Mv.copy(e.center).sub(Bh)),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}const Si=new q,Vh=new q,kl=new q,rr=new q,kh=new q,zl=new q,zh=new q;class sr{constructor(e=new q,t=new q(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,Si)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(i).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=Si.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Si.copy(this.direction).multiplyScalar(t).add(this.origin),Si.distanceToSquared(e))}distanceSqToSegment(e,t,i,r){Vh.copy(e).add(t).multiplyScalar(.5),kl.copy(t).sub(e).normalize(),rr.copy(this.origin).sub(Vh);const s=e.distanceTo(t)*.5,o=-this.direction.dot(kl),l=rr.dot(this.direction),u=-rr.dot(kl),c=rr.lengthSq(),f=Math.abs(1-o*o);let d,p,v,m;if(f>0)if(d=o*u-l,p=o*l-u,m=s*f,d>=0)if(p>=-m)if(p<=m){const h=1/f;d*=h,p*=h,v=d*(d+o*p+2*l)+p*(o*d+p+2*u)+c}else p=s,d=Math.max(0,-(o*p+l)),v=-d*d+p*(p+2*u)+c;else p=-s,d=Math.max(0,-(o*p+l)),v=-d*d+p*(p+2*u)+c;else p<=-m?(d=Math.max(0,-(-o*s+l)),p=d>0?-s:Math.min(Math.max(-s,-u),s),v=-d*d+p*(p+2*u)+c):p<=m?(d=0,p=Math.min(Math.max(-s,-u),s),v=p*(p+2*u)+c):(d=Math.max(0,-(o*s+l)),p=d>0?s:Math.min(Math.max(-s,-u),s),v=-d*d+p*(p+2*u)+c);else p=o>0?-s:s,d=Math.max(0,-(o*p+l)),v=-d*d+p*(p+2*u)+c;return i&&i.copy(this.direction).multiplyScalar(d).add(this.origin),r&&r.copy(kl).multiplyScalar(p).add(Vh),v}intersectSphere(e,t){Si.subVectors(e.center,this.origin);const i=Si.dot(this.direction),r=Si.dot(Si)-i*i,s=e.radius*e.radius;if(r>s)return null;const o=Math.sqrt(s-r),l=i-o,u=i+o;return l<0&&u<0?null:l<0?this.at(u,t):this.at(l,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;const i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){const i=this.distanceToPlane(e);return i===null?null:this.at(i,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,r,s,o,l,u;const c=1/this.direction.x,f=1/this.direction.y,d=1/this.direction.z,p=this.origin;return c>=0?(i=(e.min.x-p.x)*c,r=(e.max.x-p.x)*c):(i=(e.max.x-p.x)*c,r=(e.min.x-p.x)*c),f>=0?(s=(e.min.y-p.y)*f,o=(e.max.y-p.y)*f):(s=(e.max.y-p.y)*f,o=(e.min.y-p.y)*f),i>o||s>r||((s>i||i!==i)&&(i=s),(o=0?(l=(e.min.z-p.z)*d,u=(e.max.z-p.z)*d):(l=(e.max.z-p.z)*d,u=(e.min.z-p.z)*d),i>u||l>r)||((l>i||i!==i)&&(i=l),(u=0?i:r,t)}intersectsBox(e){return this.intersectBox(e,Si)!==null}intersectTriangle(e,t,i,r,s){kh.subVectors(t,e),zl.subVectors(i,e),zh.crossVectors(kh,zl);let o=this.direction.dot(zh),l;if(o>0){if(r)return null;l=1}else if(o<0)l=-1,o=-o;else return null;rr.subVectors(this.origin,e);const u=l*this.direction.dot(zl.crossVectors(rr,zl));if(u<0)return null;const c=l*this.direction.dot(kh.cross(rr));if(c<0||u+c>o)return null;const f=-l*rr.dot(zh);return f<0?null:this.at(f/o,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class Oe{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(e,t,i,r,s,o,l,u,c,f,d,p,v,m,h,b){const y=this.elements;return y[0]=e,y[4]=t,y[8]=i,y[12]=r,y[1]=s,y[5]=o,y[9]=l,y[13]=u,y[2]=c,y[6]=f,y[10]=d,y[14]=p,y[3]=v,y[7]=m,y[11]=h,y[15]=b,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new Oe().fromArray(this.elements)}copy(e){const t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){const t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,i=e.elements,r=1/Ds.setFromMatrixColumn(e,0).length(),s=1/Ds.setFromMatrixColumn(e,1).length(),o=1/Ds.setFromMatrixColumn(e,2).length();return t[0]=i[0]*r,t[1]=i[1]*r,t[2]=i[2]*r,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*o,t[9]=i[9]*o,t[10]=i[10]*o,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const t=this.elements,i=e.x,r=e.y,s=e.z,o=Math.cos(i),l=Math.sin(i),u=Math.cos(r),c=Math.sin(r),f=Math.cos(s),d=Math.sin(s);if(e.order==="XYZ"){const p=o*f,v=o*d,m=l*f,h=l*d;t[0]=u*f,t[4]=-u*d,t[8]=c,t[1]=v+m*c,t[5]=p-h*c,t[9]=-l*u,t[2]=h-p*c,t[6]=m+v*c,t[10]=o*u}else if(e.order==="YXZ"){const p=u*f,v=u*d,m=c*f,h=c*d;t[0]=p+h*l,t[4]=m*l-v,t[8]=o*c,t[1]=o*d,t[5]=o*f,t[9]=-l,t[2]=v*l-m,t[6]=h+p*l,t[10]=o*u}else if(e.order==="ZXY"){const p=u*f,v=u*d,m=c*f,h=c*d;t[0]=p-h*l,t[4]=-o*d,t[8]=m+v*l,t[1]=v+m*l,t[5]=o*f,t[9]=h-p*l,t[2]=-o*c,t[6]=l,t[10]=o*u}else if(e.order==="ZYX"){const p=o*f,v=o*d,m=l*f,h=l*d;t[0]=u*f,t[4]=m*c-v,t[8]=p*c+h,t[1]=u*d,t[5]=h*c+p,t[9]=v*c-m,t[2]=-c,t[6]=l*u,t[10]=o*u}else if(e.order==="YZX"){const p=o*u,v=o*c,m=l*u,h=l*c;t[0]=u*f,t[4]=h-p*d,t[8]=m*d+v,t[1]=d,t[5]=o*f,t[9]=-l*f,t[2]=-c*f,t[6]=v*d+m,t[10]=p-h*d}else if(e.order==="XZY"){const p=o*u,v=o*c,m=l*u,h=l*c;t[0]=u*f,t[4]=-d,t[8]=c*f,t[1]=p*d+h,t[5]=o*f,t[9]=v*d-m,t[2]=m*d-v,t[6]=l*f,t[10]=h*d+p}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(zR,e,UR)}lookAt(e,t,i){const r=this.elements;return pn.subVectors(e,t),pn.lengthSq()===0&&(pn.z=1),pn.normalize(),or.crossVectors(i,pn),or.lengthSq()===0&&(Math.abs(i.z)===1?pn.x+=1e-4:pn.z+=1e-4,pn.normalize(),or.crossVectors(i,pn)),or.normalize(),Ul.crossVectors(pn,or),r[0]=or.x,r[4]=Ul.x,r[8]=pn.x,r[1]=or.y,r[5]=Ul.y,r[9]=pn.y,r[2]=or.z,r[6]=Ul.z,r[10]=pn.z,this}multiply(e,t){return t!==void 0?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const i=e.elements,r=t.elements,s=this.elements,o=i[0],l=i[4],u=i[8],c=i[12],f=i[1],d=i[5],p=i[9],v=i[13],m=i[2],h=i[6],b=i[10],y=i[14],g=i[3],w=i[7],A=i[11],S=i[15],M=r[0],F=r[4],R=r[8],_=r[12],O=r[1],E=r[5],T=r[9],C=r[13],L=r[2],I=r[6],x=r[10],P=r[14],B=r[3],D=r[7],V=r[11],k=r[15];return s[0]=o*M+l*O+u*L+c*B,s[4]=o*F+l*E+u*I+c*D,s[8]=o*R+l*T+u*x+c*V,s[12]=o*_+l*C+u*P+c*k,s[1]=f*M+d*O+p*L+v*B,s[5]=f*F+d*E+p*I+v*D,s[9]=f*R+d*T+p*x+v*V,s[13]=f*_+d*C+p*P+v*k,s[2]=m*M+h*O+b*L+y*B,s[6]=m*F+h*E+b*I+y*D,s[10]=m*R+h*T+b*x+y*V,s[14]=m*_+h*C+b*P+y*k,s[3]=g*M+w*O+A*L+S*B,s[7]=g*F+w*E+A*I+S*D,s[11]=g*R+w*T+A*x+S*V,s[15]=g*_+w*C+A*P+S*k,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],i=e[4],r=e[8],s=e[12],o=e[1],l=e[5],u=e[9],c=e[13],f=e[2],d=e[6],p=e[10],v=e[14],m=e[3],h=e[7],b=e[11],y=e[15];return m*(+s*u*d-r*c*d-s*l*p+i*c*p+r*l*v-i*u*v)+h*(+t*u*v-t*c*p+s*o*p-r*o*v+r*c*f-s*u*f)+b*(+t*c*d-t*l*v-s*o*d+i*o*v+s*l*f-i*c*f)+y*(-r*l*f-t*u*d+t*l*p+r*o*d-i*o*p+i*u*f)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){const r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=i),this}invert(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],o=e[4],l=e[5],u=e[6],c=e[7],f=e[8],d=e[9],p=e[10],v=e[11],m=e[12],h=e[13],b=e[14],y=e[15],g=d*b*c-h*p*c+h*u*v-l*b*v-d*u*y+l*p*y,w=m*p*c-f*b*c-m*u*v+o*b*v+f*u*y-o*p*y,A=f*h*c-m*d*c+m*l*v-o*h*v-f*l*y+o*d*y,S=m*d*u-f*h*u-m*l*p+o*h*p+f*l*b-o*d*b,M=t*g+i*w+r*A+s*S;if(M===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const F=1/M;return e[0]=g*F,e[1]=(h*p*s-d*b*s-h*r*v+i*b*v+d*r*y-i*p*y)*F,e[2]=(l*b*s-h*u*s+h*r*c-i*b*c-l*r*y+i*u*y)*F,e[3]=(d*u*s-l*p*s-d*r*c+i*p*c+l*r*v-i*u*v)*F,e[4]=w*F,e[5]=(f*b*s-m*p*s+m*r*v-t*b*v-f*r*y+t*p*y)*F,e[6]=(m*u*s-o*b*s-m*r*c+t*b*c+o*r*y-t*u*y)*F,e[7]=(o*p*s-f*u*s+f*r*c-t*p*c-o*r*v+t*u*v)*F,e[8]=A*F,e[9]=(m*d*s-f*h*s-m*i*v+t*h*v+f*i*y-t*d*y)*F,e[10]=(o*h*s-m*l*s+m*i*c-t*h*c-o*i*y+t*l*y)*F,e[11]=(f*l*s-o*d*s-f*i*c+t*d*c+o*i*v-t*l*v)*F,e[12]=S*F,e[13]=(f*h*r-m*d*r+m*i*p-t*h*p-f*i*b+t*d*b)*F,e[14]=(m*l*r-o*h*r-m*i*u+t*h*u+o*i*b-t*l*b)*F,e[15]=(o*d*r-f*l*r+f*i*u-t*d*u-o*i*p+t*l*p)*F,this}scale(e){const t=this.elements,i=e.x,r=e.y,s=e.z;return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=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,i,r))}makeTranslation(e,t,i){return this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const i=Math.cos(t),r=Math.sin(t),s=1-i,o=e.x,l=e.y,u=e.z,c=s*o,f=s*l;return this.set(c*o+i,c*l-r*u,c*u+r*l,0,c*l+r*u,f*l+i,f*u-r*o,0,c*u-r*l,f*u+r*o,s*u*u+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,r,s,o){return this.set(1,i,s,0,e,1,o,0,t,r,1,0,0,0,0,1),this}compose(e,t,i){const r=this.elements,s=t._x,o=t._y,l=t._z,u=t._w,c=s+s,f=o+o,d=l+l,p=s*c,v=s*f,m=s*d,h=o*f,b=o*d,y=l*d,g=u*c,w=u*f,A=u*d,S=i.x,M=i.y,F=i.z;return r[0]=(1-(h+y))*S,r[1]=(v+A)*S,r[2]=(m-w)*S,r[3]=0,r[4]=(v-A)*M,r[5]=(1-(p+y))*M,r[6]=(b+g)*M,r[7]=0,r[8]=(m+w)*F,r[9]=(b-g)*F,r[10]=(1-(p+h))*F,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,i){const r=this.elements;let s=Ds.set(r[0],r[1],r[2]).length();const o=Ds.set(r[4],r[5],r[6]).length(),l=Ds.set(r[8],r[9],r[10]).length();this.determinant()<0&&(s=-s),e.x=r[12],e.y=r[13],e.z=r[14],In.copy(this);const c=1/s,f=1/o,d=1/l;return In.elements[0]*=c,In.elements[1]*=c,In.elements[2]*=c,In.elements[4]*=f,In.elements[5]*=f,In.elements[6]*=f,In.elements[8]*=d,In.elements[9]*=d,In.elements[10]*=d,t.setFromRotationMatrix(In),i.x=s,i.y=o,i.z=l,this}makePerspective(e,t,i,r,s,o){o===void 0&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const l=this.elements,u=2*s/(t-e),c=2*s/(i-r),f=(t+e)/(t-e),d=(i+r)/(i-r),p=-(o+s)/(o-s),v=-2*o*s/(o-s);return l[0]=u,l[4]=0,l[8]=f,l[12]=0,l[1]=0,l[5]=c,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=p,l[14]=v,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,i,r,s,o){const l=this.elements,u=1/(t-e),c=1/(i-r),f=1/(o-s),d=(t+e)*u,p=(i+r)*c,v=(o+s)*f;return l[0]=2*u,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*c,l[9]=0,l[13]=-p,l[2]=0,l[6]=0,l[10]=-2*f,l[14]=-v,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){const t=this.elements,i=e.elements;for(let r=0;r<16;r++)if(t[r]!==i[r])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){const i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}}Oe.prototype.isMatrix4=!0;const Ds=new q,In=new Oe,zR=new q(0,0,0),UR=new q(1,1,1),or=new q,Ul=new q,pn=new q,Av=new Oe,Sv=new Zt;class Ur{constructor(e=0,t=0,i=0,r=Ur.DefaultOrder){this._x=e,this._y=t,this._z=i,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,r=this._order){return this._x=e,this._y=t,this._z=i,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,i=!0){const r=e.elements,s=r[0],o=r[4],l=r[8],u=r[1],c=r[5],f=r[9],d=r[2],p=r[6],v=r[10];switch(t){case"XYZ":this._y=Math.asin($t(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-f,v),this._z=Math.atan2(-o,s)):(this._x=Math.atan2(p,c),this._z=0);break;case"YXZ":this._x=Math.asin(-$t(f,-1,1)),Math.abs(f)<.9999999?(this._y=Math.atan2(l,v),this._z=Math.atan2(u,c)):(this._y=Math.atan2(-d,s),this._z=0);break;case"ZXY":this._x=Math.asin($t(p,-1,1)),Math.abs(p)<.9999999?(this._y=Math.atan2(-d,v),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(u,s));break;case"ZYX":this._y=Math.asin(-$t(d,-1,1)),Math.abs(d)<.9999999?(this._x=Math.atan2(p,v),this._z=Math.atan2(u,s)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin($t(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(-f,c),this._y=Math.atan2(-d,s)):(this._x=0,this._y=Math.atan2(l,v));break;case"XZY":this._z=Math.asin(-$t(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(p,c),this._y=Math.atan2(l,s)):(this._x=Math.atan2(-f,v),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Av.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Av,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Sv.setFromEuler(this),this.setFromQuaternion(Sv,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}toVector3(e){return e?e.set(this._x,this._y,this._z):new q(this._x,this._y,this._z)}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}}Ur.prototype.isEuler=!0,Ur.DefaultOrder="XYZ",Ur.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Uh{constructor(){this.mask=1}set(e){this.mask=1<1){for(let t=0;t1){for(let i=0;i0){r.children=[];for(let l=0;l0){r.animations=[];for(let l=0;l0&&(i.geometries=l),u.length>0&&(i.materials=u),c.length>0&&(i.textures=c),f.length>0&&(i.images=f),d.length>0&&(i.shapes=d),p.length>0&&(i.skeletons=p),v.length>0&&(i.animations=v)}return i.object=r,i;function o(l){const u=[];for(const c in l){const f=l[c];delete f.metadata,u.push(f)}return u}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let i=0;i0?r.multiplyScalar(1/Math.sqrt(s)):r.set(0,0,0)}static getBarycoord(e,t,i,r,s){On.subVectors(r,t),Ti.subVectors(i,t),Gh.subVectors(e,t);const o=On.dot(On),l=On.dot(Ti),u=On.dot(Gh),c=Ti.dot(Ti),f=Ti.dot(Gh),d=o*c-l*l;if(d===0)return s.set(-2,-1,-1);const p=1/d,v=(c*u-l*f)*p,m=(o*f-l*u)*p;return s.set(1-v-m,m,v)}static containsPoint(e,t,i,r){return this.getBarycoord(e,t,i,r,Ei),Ei.x>=0&&Ei.y>=0&&Ei.x+Ei.y<=1}static getUV(e,t,i,r,s,o,l,u){return this.getBarycoord(e,t,i,r,Ei),u.set(0,0),u.addScaledVector(s,Ei.x),u.addScaledVector(o,Ei.y),u.addScaledVector(l,Ei.z),u}static isFrontFacing(e,t,i,r){return On.subVectors(i,t),Ti.subVectors(e,t),On.cross(Ti).dot(r)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,r){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[r]),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return On.subVectors(this.c,this.b),Ti.subVectors(this.a,this.b),On.cross(Ti).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return At.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return At.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,i,r,s){return At.getUV(e,this.a,this.b,this.c,t,i,r,s)}containsPoint(e){return At.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return At.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const i=this.a,r=this.b,s=this.c;let o,l;ks.subVectors(r,i),zs.subVectors(s,i),Hh.subVectors(e,i);const u=ks.dot(Hh),c=zs.dot(Hh);if(u<=0&&c<=0)return t.copy(i);Wh.subVectors(e,r);const f=ks.dot(Wh),d=zs.dot(Wh);if(f>=0&&d<=f)return t.copy(r);const p=u*d-f*c;if(p<=0&&u>=0&&f<=0)return o=u/(u-f),t.copy(i).addScaledVector(ks,o);jh.subVectors(e,s);const v=ks.dot(jh),m=zs.dot(jh);if(m>=0&&v<=m)return t.copy(s);const h=v*c-u*m;if(h<=0&&c>=0&&m<=0)return l=c/(c-m),t.copy(i).addScaledVector(zs,l);const b=f*m-v*d;if(b<=0&&d-f>=0&&v-m>=0)return Rv.subVectors(s,r),l=(d-f)/(d-f+(v-m)),t.copy(r).addScaledVector(Rv,l);const y=1/(b+h+p);return o=h*y,l=p*y,t.copy(i).addScaledVector(ks,o).addScaledVector(zs,l)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let $R=0;class Ft extends tr{constructor(){super(),Object.defineProperty(this,"id",{value:$R++}),this.uuid=fn(),this.name="",this.type="Material",this.fog=!0,this.blending=_s,this.side=Ji,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=uh,this.blendDst=hh,this.blendEquation=Lr,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=Tl,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=vv,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Nl,this.stencilZFail=Nl,this.stencilZPass=Nl,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}onBuild(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(const t in e){const i=e[t];if(i===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}if(t==="shading"){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=i===rh;continue}const r=this[t];if(r===void 0){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}r&&r.isColor?r.set(i):r&&r.isVector3&&i&&i.isVector3?r.copy(i):this[t]=i}}toJSON(e){const t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});const i={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen&&this.sheen.isColor&&(i.sheen=this.sheen.getHex()),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(i.combine=this.combine)),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==_s&&(i.blending=this.blending),this.side!==Ji&&(i.side=this.side),this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(i.transparent=this.transparent),i.depthFunc=this.depthFunc,i.depthTest=this.depthTest,i.depthWrite=this.depthWrite,i.colorWrite=this.colorWrite,i.stencilWrite=this.stencilWrite,i.stencilWriteMask=this.stencilWriteMask,i.stencilFunc=this.stencilFunc,i.stencilRef=this.stencilRef,i.stencilFuncMask=this.stencilFuncMask,i.stencilFail=this.stencilFail,i.stencilZFail=this.stencilZFail,i.stencilZPass=this.stencilZPass,this.rotation&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(i.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=this.premultipliedAlpha),this.wireframe===!0&&(i.wireframe=this.wireframe),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.morphTargets===!0&&(i.morphTargets=!0),this.morphNormals===!0&&(i.morphNormals=!0),this.flatShading===!0&&(i.flatShading=this.flatShading),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),JSON.stringify(this.userData)!=="{}"&&(i.userData=this.userData);function r(s){const o=[];for(const l in s){const u=s[l];delete u.metadata,o.push(u)}return o}if(t){const s=r(e.textures),o=r(e.images);s.length>0&&(i.textures=s),o.length>0&&(i.images=o)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let i=null;if(t!==null){const r=t.length;i=new Array(r);for(let s=0;s!==r;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}}Ft.prototype.isMaterial=!0;const Fv={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Nn={h:0,s:0,l:0},Hl={h:0,s:0,l:0};function $h(n,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?n+(e-n)*6*t:t<1/2?e:t<2/3?n+(e-n)*6*(2/3-t):n}function Zh(n){return n<.04045?n*.0773993808:Math.pow(n*.9478672986+.0521327014,2.4)}function Xh(n){return n<.0031308?n*12.92:1.055*Math.pow(n,.41666)-.055}class Le{constructor(e,t,i){return t===void 0&&i===void 0?this.set(e):this.setRGB(e,t,i)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,this}setRGB(e,t,i){return this.r=e,this.g=t,this.b=i,this}setHSL(e,t,i){if(e=Ch(e,1),t=$t(t,0,1),i=$t(i,0,1),t===0)this.r=this.g=this.b=i;else{const r=i<=.5?i*(1+t):i+t-i*t,s=2*i-r;this.r=$h(s,r,e+1/3),this.g=$h(s,r,e),this.b=$h(s,r,e-1/3)}return this}setStyle(e){function t(r){r!==void 0&&parseFloat(r)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let i;if(i=/^((?:rgb|hsl)a?)$([^$]*)\)/.exec(e)){let r;const s=i[1],o=i[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(255,parseInt(r[1],10))/255,this.g=Math.min(255,parseInt(r[2],10))/255,this.b=Math.min(255,parseInt(r[3],10))/255,t(r[4]),this;if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(100,parseInt(r[1],10))/100,this.g=Math.min(100,parseInt(r[2],10))/100,this.b=Math.min(100,parseInt(r[3],10))/100,t(r[4]),this;break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o)){const l=parseFloat(r[1])/360,u=parseInt(r[2],10)/100,c=parseInt(r[3],10)/100;return t(r[4]),this.setHSL(l,u,c)}break}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(e)){const r=i[1],s=r.length;if(s===3)return this.r=parseInt(r.charAt(0)+r.charAt(0),16)/255,this.g=parseInt(r.charAt(1)+r.charAt(1),16)/255,this.b=parseInt(r.charAt(2)+r.charAt(2),16)/255,this;if(s===6)return this.r=parseInt(r.charAt(0)+r.charAt(1),16)/255,this.g=parseInt(r.charAt(2)+r.charAt(3),16)/255,this.b=parseInt(r.charAt(4)+r.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this}setColorName(e){const t=Fv[e.toLowerCase()];return t!==void 0?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copyGammaToLinear(e,t=2){return this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this}copyLinearToGamma(e,t=2){const i=t>0?1/t:1;return this.r=Math.pow(e.r,i),this.g=Math.pow(e.g,i),this.b=Math.pow(e.b,i),this}convertGammaToLinear(e){return this.copyGammaToLinear(this,e),this}convertLinearToGamma(e){return this.copyLinearToGamma(this,e),this}copySRGBToLinear(e){return this.r=Zh(e.r),this.g=Zh(e.g),this.b=Zh(e.b),this}copyLinearToSRGB(e){return this.r=Xh(e.r),this.g=Xh(e.g),this.b=Xh(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(e){const t=this.r,i=this.g,r=this.b,s=Math.max(t,i,r),o=Math.min(t,i,r);let l,u;const c=(o+s)/2;if(o===s)l=0,u=0;else{const f=s-o;switch(u=c<=.5?f/(s+o):f/(2-s-o),s){case t:l=(i-r)/f+(ie&&(e=n[t]);return e}const ZR={Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array};function Us(n,e){return new ZR[n](e)}let XR=0;const Sn=new Oe,Yh=new Xe,Gs=new q,mn=new ln,ra=new ln,Ut=new q;class ke extends tr{constructor(){super(),Object.defineProperty(this,"id",{value:XR++}),this.uuid=fn(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(kv(e)>65535?$l:jl)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}addGroup(e,t,i=0){this.groups.push({start:e,count:t,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);const i=this.attributes.normal;if(i!==void 0){const s=new Bt().getNormalMatrix(e);i.applyNormalMatrix(s),i.needsUpdate=!0}const r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(e),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return Sn.makeRotationFromQuaternion(e),this.applyMatrix4(Sn),this}rotateX(e){return Sn.makeRotationX(e),this.applyMatrix4(Sn),this}rotateY(e){return Sn.makeRotationY(e),this.applyMatrix4(Sn),this}rotateZ(e){return Sn.makeRotationZ(e),this.applyMatrix4(Sn),this}translate(e,t,i){return Sn.makeTranslation(e,t,i),this.applyMatrix4(Sn),this}scale(e,t,i){return Sn.makeScale(e,t,i),this.applyMatrix4(Sn),this}lookAt(e){return Yh.lookAt(e),Yh.updateMatrix(),this.applyMatrix4(Yh.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Gs).negate(),this.translate(Gs.x,Gs.y,Gs.z),this}setFromPoints(e){const t=[];for(let i=0,r=e.length;i0&&(e.userData=this.userData),this.parameters!==void 0){const u=this.parameters;for(const c in u)u[c]!==void 0&&(e[c]=u[c]);return e}e.data={attributes:{}};const t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const i=this.attributes;for(const u in i){const c=i[u];e.data.attributes[u]=c.toJSON(e.data)}const r={};let s=!1;for(const u in this.morphAttributes){const c=this.morphAttributes[u],f=[];for(let d=0,p=c.length;d0&&(r[u]=f,s=!0)}s&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const o=this.groups;o.length>0&&(e.data.groups=JSON.parse(JSON.stringify(o)));const l=this.boundingSphere;return l!==null&&(e.data.boundingSphere={center:l.center.toArray(),radius:l.radius}),e}clone(){return new ke().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const i=e.index;i!==null&&this.setIndex(i.clone(t));const r=e.attributes;for(const c in r){const f=r[c];this.setAttribute(c,f.clone(t))}const s=e.morphAttributes;for(const c in s){const f=[],d=s[c];for(let p=0,v=d.length;p0){const r=t[i[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,o=r.length;s0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(e,t){const i=this.geometry,r=this.material,s=this.matrixWorld;if(r===void 0||(i.boundingSphere===null&&i.computeBoundingSphere(),Jh.copy(i.boundingSphere),Jh.applyMatrix4(s),e.ray.intersectsSphere(Jh)===!1)||(zv.copy(s).invert(),Hs.copy(e.ray).applyMatrix4(zv),i.boundingBox!==null&&Hs.intersectsBox(i.boundingBox)===!1))return;let o;if(i.isBufferGeometry){const l=i.index,u=i.attributes.position,c=i.morphAttributes.position,f=i.morphTargetsRelative,d=i.attributes.uv,p=i.attributes.uv2,v=i.groups,m=i.drawRange;if(l!==null)if(Array.isArray(r))for(let h=0,b=v.length;ht.far?null:{distance:c,point:Ql.clone(),object:n}}function ec(n,e,t,i,r,s,o,l,u,c,f,d){ar.fromBufferAttribute(r,c),lr.fromBufferAttribute(r,f),cr.fromBufferAttribute(r,d);const p=n.morphTargetInfluences;if(e.morphTargets&&s&&p){Zl.set(0,0,0),Xl.set(0,0,0),Yl.set(0,0,0);for(let m=0,h=s.length;m0?1:-1,f.push(D.x,D.y,D.z),d.push(G/F),d.push(1-V/R),P+=1}}for(let V=0;V0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;const i={};for(const r in this.extensions)this.extensions[r]===!0&&(i[r]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}}Li.prototype.isShaderMaterial=!0;class sa extends Xe{constructor(){super(),this.type="Camera",this.matrixWorldInverse=new Oe,this.projectionMatrix=new Oe,this.projectionMatrixInverse=new Oe}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}sa.prototype.isCamera=!0;class Dt extends sa{constructor(e=50,t=1,i=.1,r=2e3){super(),this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,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){const t=.5*this.getFilmHeight()/e;this.fov=Qo*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(Dr*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return Qo*2*Math.atan(Math.tan(Dr*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,i,r,s,o){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=i,this.view.offsetY=r,this.view.width=s,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(Dr*.5*this.fov)/this.zoom,i=2*t,r=this.aspect*i,s=-.5*r;const o=this.view;if(this.view!==null&&this.view.enabled){const u=o.fullWidth,c=o.fullHeight;s+=o.offsetX*r/u,t-=o.offsetY*i/c,r*=o.width/u,i*=o.height/c}const l=this.filmOffset;l!==0&&(s+=e*l/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+r,t,t-i,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}Dt.prototype.isPerspectiveCamera=!0;const js=90,$s=1;class tc extends Xe{constructor(e,t,i){if(super(),this.type="CubeCamera",i.isWebGLCubeRenderTarget!==!0){console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");return}this.renderTarget=i;const r=new Dt(js,$s,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new q(1,0,0)),this.add(r);const s=new Dt(js,$s,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new q(-1,0,0)),this.add(s);const o=new Dt(js,$s,e,t);o.layers=this.layers,o.up.set(0,0,1),o.lookAt(new q(0,1,0)),this.add(o);const l=new Dt(js,$s,e,t);l.layers=this.layers,l.up.set(0,0,-1),l.lookAt(new q(0,-1,0)),this.add(l);const u=new Dt(js,$s,e,t);u.layers=this.layers,u.up.set(0,-1,0),u.lookAt(new q(0,0,1)),this.add(u);const c=new Dt(js,$s,e,t);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new q(0,0,-1)),this.add(c)}update(e,t){this.parent===null&&this.updateMatrixWorld();const i=this.renderTarget,[r,s,o,l,u,c]=this.children,f=e.xr.enabled,d=e.getRenderTarget();e.xr.enabled=!1;const p=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0),e.render(t,r),e.setRenderTarget(i,1),e.render(t,s),e.setRenderTarget(i,2),e.render(t,o),e.setRenderTarget(i,3),e.render(t,l),e.setRenderTarget(i,4),e.render(t,u),i.texture.generateMipmaps=p,e.setRenderTarget(i,5),e.render(t,c),e.setRenderTarget(d),e.xr.enabled=f}}class Zs extends Mt{constructor(e,t,i,r,s,o,l,u,c,f){e=e!==void 0?e:[],t=t!==void 0?t:jo,l=l!==void 0?l:wi,super(e,t,i,r,s,o,l,u,c,f),this._needsFlipEnvMap=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}Zs.prototype.isCubeTexture=!0;class nc extends Pn{constructor(e,t,i){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=i),super(e,e,t),t=t||{},this.texture=new Zs(void 0,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.generateMipmaps=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:vt,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.format=dn,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i={uniforms:{tEquirect:{value:null}},vertexShader:` varying vec3 vWorldDirection; vec3 transformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); } void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include } `,fragmentShader:` uniform sampler2D tEquirect; varying vec3 vWorldDirection; #include void main() { vec3 direction = normalize( vWorldDirection ); vec2 sampleUV = equirectUv( direction ); gl_FragColor = texture2D( tEquirect, sampleUV ); } `},r=new Ci(5,5,5),s=new Li({name:"CubemapFromEquirect",uniforms:Ws(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:xt,blending:yi});s.uniforms.tEquirect.value=t;const o=new St(r,s),l=t.minFilter;return t.minFilter===bi&&(t.minFilter=vt),new tc(1,10,this).update(e,o),t.minFilter=l,o.geometry.dispose(),o.material.dispose(),this}clear(e,t,i,r){const s=e.getRenderTarget();for(let o=0;o<6;o++)e.setRenderTarget(this,o),e.clear(t,i,r);e.setRenderTarget(s)}}nc.prototype.isWebGLCubeRenderTarget=!0;const td=new q,qR=new q,QR=new Bt;class Kn{constructor(e=new q(1,0,0),t=0){this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,i,r){return this.normal.set(e,t,i),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,i){const r=td.subVectors(i,t).cross(qR.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){const i=e.delta(td),r=this.normal.dot(i);if(r===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;const s=-(e.start.dot(this.normal)+this.constant)/r;return s<0||s>1?null:t.copy(i).multiplyScalar(s).add(e.start)}intersectsLine(e){const t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const i=t||QR.getNormalMatrix(e),r=this.coplanarPoint(td).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-r.dot(s),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)}}Kn.prototype.isPlane=!0;const Xs=new Ai,ic=new q;class oa{constructor(e=new Kn,t=new Kn,i=new Kn,r=new Kn,s=new Kn,o=new Kn){this.planes=[e,t,i,r,s,o]}set(e,t,i,r,s,o){const l=this.planes;return l[0].copy(e),l[1].copy(t),l[2].copy(i),l[3].copy(r),l[4].copy(s),l[5].copy(o),this}copy(e){const t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e){const t=this.planes,i=e.elements,r=i[0],s=i[1],o=i[2],l=i[3],u=i[4],c=i[5],f=i[6],d=i[7],p=i[8],v=i[9],m=i[10],h=i[11],b=i[12],y=i[13],g=i[14],w=i[15];return t[0].setComponents(l-r,d-u,h-p,w-b).normalize(),t[1].setComponents(l+r,d+u,h+p,w+b).normalize(),t[2].setComponents(l+s,d+c,h+v,w+y).normalize(),t[3].setComponents(l-s,d-c,h-v,w-y).normalize(),t[4].setComponents(l-o,d-f,h-m,w-g).normalize(),t[5].setComponents(l+o,d+f,h+m,w+g).normalize(),this}intersectsObject(e){const t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),Xs.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Xs)}intersectsSprite(e){return Xs.center.set(0,0,0),Xs.radius=.7071067811865476,Xs.applyMatrix4(e.matrixWorld),this.intersectsSphere(Xs)}intersectsSphere(e){const t=this.planes,i=e.center,r=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(i)0?e.max.x:e.min.x,ic.y=r.normal.y>0?e.max.y:e.min.y,ic.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(ic)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}}function Gv(){let n=null,e=!1,t=null,i=null;function r(s,o){t(s,o),i=n.requestAnimationFrame(r)}return{start:function(){e!==!0&&t!==null&&(i=n.requestAnimationFrame(r),e=!0)},stop:function(){n.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){n=s}}}function e3(n,e){const t=e.isWebGL2,i=new WeakMap;function r(c,f){const d=c.array,p=c.usage,v=n.createBuffer();n.bindBuffer(f,v),n.bufferData(f,d,p),c.onUploadCallback();let m=5126;return d instanceof Float32Array?m=5126:d instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):d instanceof Uint16Array?c.isFloat16BufferAttribute?t?m=5131:console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2."):m=5123:d instanceof Int16Array?m=5122:d instanceof Uint32Array?m=5125:d instanceof Int32Array?m=5124:d instanceof Int8Array?m=5120:(d instanceof Uint8Array||d instanceof Uint8ClampedArray)&&(m=5121),{buffer:v,type:m,bytesPerElement:d.BYTES_PER_ELEMENT,version:c.version}}function s(c,f,d){const p=f.array,v=f.updateRange;n.bindBuffer(d,c),v.count===-1?n.bufferSubData(d,0,p):(t?n.bufferSubData(d,v.offset*p.BYTES_PER_ELEMENT,p,v.offset,v.count):n.bufferSubData(d,v.offset*p.BYTES_PER_ELEMENT,p.subarray(v.offset,v.offset+v.count)),v.count=-1)}function o(c){return c.isInterleavedBufferAttribute&&(c=c.data),i.get(c)}function l(c){c.isInterleavedBufferAttribute&&(c=c.data);const f=i.get(c);f&&(n.deleteBuffer(f.buffer),i.delete(c))}function u(c,f){if(c.isGLBufferAttribute){const p=i.get(c);(!p||p.version 0.0 ) { distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) ); } return distanceFalloff; #else if( cutoffDistance > 0.0 && decayExponent > 0.0 ) { return pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent ); } return 1.0; #endif } vec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) { return RECIPROCAL_PI * diffuseColor; } vec3 F_Schlick( const in vec3 specularColor, const in float dotVH ) { float fresnel = exp2( ( -5.55473 * dotVH - 6.98316 ) * dotVH ); return ( 1.0 - specularColor ) * fresnel + specularColor; } vec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) { float fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV ); vec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0; return Fr * fresnel + F0; } float G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) { float a2 = pow2( alpha ); float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); return 1.0 / ( gl * gv ); } float G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) { float a2 = pow2( alpha ); float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) ); float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) ); return 0.5 / max( gv + gl, EPSILON ); } float D_GGX( const in float alpha, const in float dotNH ) { float a2 = pow2( alpha ); float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; return RECIPROCAL_PI * a2 / pow2( denom ); } vec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) { float alpha = pow2( roughness ); vec3 halfDir = normalize( incidentLight.direction + viewDir ); float dotNL = saturate( dot( normal, incidentLight.direction ) ); float dotNV = saturate( dot( normal, viewDir ) ); float dotNH = saturate( dot( normal, halfDir ) ); float dotLH = saturate( dot( incidentLight.direction, halfDir ) ); vec3 F = F_Schlick( specularColor, dotLH ); float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV ); float D = D_GGX( alpha, dotNH ); return F * ( G * D ); } vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) { const float LUT_SIZE = 64.0; const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE; const float LUT_BIAS = 0.5 / LUT_SIZE; float dotNV = saturate( dot( N, V ) ); vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) ); uv = uv * LUT_SCALE + LUT_BIAS; return uv; } float LTC_ClippedSphereFormFactor( const in vec3 f ) { float l = length( f ); return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 ); } vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) { float x = dot( v1, v2 ); float y = abs( x ); float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y; float b = 3.4175940 + ( 4.1616724 + y ) * y; float v = a / b; float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v; return cross( v1, v2 ) * theta_sintheta; } vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) { vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ]; vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ]; vec3 lightNormal = cross( v1, v2 ); if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 ); vec3 T1, T2; T1 = normalize( V - N * dot( V, N ) ); T2 = - cross( N, T1 ); mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) ); vec3 coords[ 4 ]; coords[ 0 ] = mat * ( rectCoords[ 0 ] - P ); coords[ 1 ] = mat * ( rectCoords[ 1 ] - P ); coords[ 2 ] = mat * ( rectCoords[ 2 ] - P ); coords[ 3 ] = mat * ( rectCoords[ 3 ] - P ); coords[ 0 ] = normalize( coords[ 0 ] ); coords[ 1 ] = normalize( coords[ 1 ] ); coords[ 2 ] = normalize( coords[ 2 ] ); coords[ 3 ] = normalize( coords[ 3 ] ); vec3 vectorFormFactor = vec3( 0.0 ); vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] ); vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] ); vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] ); vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] ); float result = LTC_ClippedSphereFormFactor( vectorFormFactor ); return vec3( result ); } vec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) { float dotNV = saturate( dot( normal, viewDir ) ); vec2 brdf = integrateSpecularBRDF( dotNV, roughness ); return specularColor * brdf.x + brdf.y; } void BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) { float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) ); vec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness ); vec2 brdf = integrateSpecularBRDF( dotNV, roughness ); vec3 FssEss = F * brdf.x + brdf.y; float Ess = brdf.x + brdf.y; float Ems = 1.0 - Ess; vec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg ); singleScatter += FssEss; multiScatter += Fms * Ems; } float G_BlinnPhong_Implicit( ) { return 0.25; } float D_BlinnPhong( const in float shininess, const in float dotNH ) { return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess ); } vec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) { vec3 halfDir = normalize( incidentLight.direction + geometry.viewDir ); float dotNH = saturate( dot( geometry.normal, halfDir ) ); float dotLH = saturate( dot( incidentLight.direction, halfDir ) ); vec3 F = F_Schlick( specularColor, dotLH ); float G = G_BlinnPhong_Implicit( ); float D = D_BlinnPhong( shininess, dotNH ); return F * ( G * D ); } float GGXRoughnessToBlinnExponent( const in float ggxRoughness ) { return ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 ); } float BlinnExponentToGGXRoughness( const in float blinnExponent ) { return sqrt( 2.0 / ( blinnExponent + 2.0 ) ); } #if defined( USE_SHEEN ) float D_Charlie(float roughness, float NoH) { float invAlpha = 1.0 / roughness; float cos2h = NoH * NoH; float sin2h = max(1.0 - cos2h, 0.0078125); return (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI); } float V_Neubelt(float NoV, float NoL) { return saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV))); } vec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) { vec3 N = geometry.normal; vec3 V = geometry.viewDir; vec3 H = normalize( V + L ); float dotNH = saturate( dot( N, H ) ); return specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) ); } #endif`,c3=`#ifdef USE_BUMPMAP uniform sampler2D bumpMap; uniform float bumpScale; vec2 dHdxy_fwd() { vec2 dSTdx = dFdx( vUv ); vec2 dSTdy = dFdy( vUv ); float Hll = bumpScale * texture2D( bumpMap, vUv ).x; float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll; float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll; return vec2( dBx, dBy ); } vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) { vec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) ); vec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) ); vec3 vN = surf_norm; vec3 R1 = cross( vSigmaY, vN ); vec3 R2 = cross( vN, vSigmaX ); float fDet = dot( vSigmaX, R1 ) * faceDirection; vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 ); return normalize( abs( fDet ) * surf_norm - vGrad ); } #endif`,u3=`#if NUM_CLIPPING_PLANES > 0 vec4 plane; #pragma unroll_loop_start for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) { plane = clippingPlanes[ i ]; if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard; } #pragma unroll_loop_end #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES bool clipped = true; #pragma unroll_loop_start for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) { plane = clippingPlanes[ i ]; clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped; } #pragma unroll_loop_end if ( clipped ) discard; #endif #endif`,h3=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ]; #endif`,d3=`#if NUM_CLIPPING_PLANES > 0 varying vec3 vClipPosition; #endif`,f3=`#if NUM_CLIPPING_PLANES > 0 vClipPosition = - mvPosition.xyz; #endif`,p3=`#if defined( USE_COLOR_ALPHA ) diffuseColor *= vColor; #elif defined( USE_COLOR ) diffuseColor.rgb *= vColor; #endif`,m3=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; #elif defined( USE_COLOR ) varying vec3 vColor; #endif`,g3=`#if defined( USE_COLOR_ALPHA ) varying vec4 vColor; #elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) varying vec3 vColor; #endif`,v3=`#if defined( USE_COLOR_ALPHA ) vColor = vec4( 1.0 ); #elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) vColor = vec3( 1.0 ); #endif #ifdef USE_COLOR vColor *= color; #endif #ifdef USE_INSTANCING_COLOR vColor.xyz *= instanceColor.xyz; #endif`,y3=`#define PI 3.141592653589793 #define PI2 6.283185307179586 #define PI_HALF 1.5707963267948966 #define RECIPROCAL_PI 0.3183098861837907 #define RECIPROCAL_PI2 0.15915494309189535 #define EPSILON 1e-6 #ifndef saturate #define saturate(a) clamp( a, 0.0, 1.0 ) #endif #define whiteComplement(a) ( 1.0 - saturate( a ) ) float pow2( const in float x ) { return x*x; } float pow3( const in float x ) { return x*x*x; } float pow4( const in float x ) { float x2 = x*x; return x2*x2; } float average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); } highp float rand( const in vec2 uv ) { const highp float a = 12.9898, b = 78.233, c = 43758.5453; highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI ); return fract(sin(sn) * c); } #ifdef HIGH_PRECISION float precisionSafeLength( vec3 v ) { return length( v ); } #else float max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); } float precisionSafeLength( vec3 v ) { float maxComponent = max3( abs( v ) ); return length( v / maxComponent ) * maxComponent; } #endif struct IncidentLight { vec3 color; vec3 direction; bool visible; }; struct ReflectedLight { vec3 directDiffuse; vec3 directSpecular; vec3 indirectDiffuse; vec3 indirectSpecular; }; struct GeometricContext { vec3 position; vec3 normal; vec3 viewDir; #ifdef CLEARCOAT vec3 clearcoatNormal; #endif }; vec3 transformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); } vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) { return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz ); } vec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) { float distance = dot( planeNormal, point - pointOnPlane ); return - distance * planeNormal + point; } float sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) { return sign( dot( point - pointOnPlane, planeNormal ) ); } vec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) { return lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine; } mat3 transposeMat3( const in mat3 m ) { mat3 tmp; tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x ); tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y ); tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z ); return tmp; } float linearToRelativeLuminance( const in vec3 color ) { vec3 weights = vec3( 0.2126, 0.7152, 0.0722 ); return dot( weights, color.rgb ); } bool isPerspectiveMatrix( mat4 m ) { return m[ 2 ][ 3 ] == - 1.0; } vec2 equirectUv( in vec3 dir ) { float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5; float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5; return vec2( u, v ); }`,b3=`#ifdef ENVMAP_TYPE_CUBE_UV #define cubeUV_maxMipLevel 8.0 #define cubeUV_minMipLevel 4.0 #define cubeUV_maxTileSize 256.0 #define cubeUV_minTileSize 16.0 float getFace( vec3 direction ) { vec3 absDirection = abs( direction ); float face = - 1.0; if ( absDirection.x > absDirection.z ) { if ( absDirection.x > absDirection.y ) face = direction.x > 0.0 ? 0.0 : 3.0; else face = direction.y > 0.0 ? 1.0 : 4.0; } else { if ( absDirection.z > absDirection.y ) face = direction.z > 0.0 ? 2.0 : 5.0; else face = direction.y > 0.0 ? 1.0 : 4.0; } return face; } vec2 getUV( vec3 direction, float face ) { vec2 uv; if ( face == 0.0 ) { uv = vec2( direction.z, direction.y ) / abs( direction.x ); } else if ( face == 1.0 ) { uv = vec2( - direction.x, - direction.z ) / abs( direction.y ); } else if ( face == 2.0 ) { uv = vec2( - direction.x, direction.y ) / abs( direction.z ); } else if ( face == 3.0 ) { uv = vec2( - direction.z, direction.y ) / abs( direction.x ); } else if ( face == 4.0 ) { uv = vec2( - direction.x, direction.z ) / abs( direction.y ); } else { uv = vec2( direction.x, direction.y ) / abs( direction.z ); } return 0.5 * ( uv + 1.0 ); } vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) { float face = getFace( direction ); float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 ); mipInt = max( mipInt, cubeUV_minMipLevel ); float faceSize = exp2( mipInt ); float texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize ); vec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ); vec2 f = fract( uv ); uv += 0.5 - f; if ( face > 2.0 ) { uv.y += faceSize; face -= 3.0; } uv.x += face * faceSize; if ( mipInt < cubeUV_maxMipLevel ) { uv.y += 2.0 * cubeUV_maxTileSize; } uv.y += filterInt * 2.0 * cubeUV_minTileSize; uv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize ); uv *= texelSize; vec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; uv.x += texelSize; vec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; uv.y += texelSize; vec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; uv.x -= texelSize; vec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb; vec3 tm = mix( tl, tr, f.x ); vec3 bm = mix( bl, br, f.x ); return mix( tm, bm, f.y ); } #define r0 1.0 #define v0 0.339 #define m0 - 2.0 #define r1 0.8 #define v1 0.276 #define m1 - 1.0 #define r4 0.4 #define v4 0.046 #define m4 2.0 #define r5 0.305 #define v5 0.016 #define m5 3.0 #define r6 0.21 #define v6 0.0038 #define m6 4.0 float roughnessToMip( float roughness ) { float mip = 0.0; if ( roughness >= r1 ) { mip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0; } else if ( roughness >= r4 ) { mip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1; } else if ( roughness >= r5 ) { mip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4; } else if ( roughness >= r6 ) { mip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5; } else { mip = - 2.0 * log2( 1.16 * roughness ); } return mip; } vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) { float mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel ); float mipF = fract( mip ); float mipInt = floor( mip ); vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt ); if ( mipF == 0.0 ) { return vec4( color0, 1.0 ); } else { vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 ); return vec4( mix( color0, color1, mipF ), 1.0 ); } } #endif`,x3=`vec3 transformedNormal = objectNormal; #ifdef USE_INSTANCING mat3 m = mat3( instanceMatrix ); transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) ); transformedNormal = m * transformedNormal; #endif transformedNormal = normalMatrix * transformedNormal; #ifdef FLIP_SIDED transformedNormal = - transformedNormal; #endif #ifdef USE_TANGENT vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz; #ifdef FLIP_SIDED transformedTangent = - transformedTangent; #endif #endif`,w3=`#ifdef USE_DISPLACEMENTMAP uniform sampler2D displacementMap; uniform float displacementScale; uniform float displacementBias; #endif`,M3=`#ifdef USE_DISPLACEMENTMAP transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias ); #endif`,A3=`#ifdef USE_EMISSIVEMAP vec4 emissiveColor = texture2D( emissiveMap, vUv ); emissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb; totalEmissiveRadiance *= emissiveColor.rgb; #endif`,S3=`#ifdef USE_EMISSIVEMAP uniform sampler2D emissiveMap; #endif`,_3="gl_FragColor = linearToOutputTexel( gl_FragColor );",T3=` vec4 LinearToLinear( in vec4 value ) { return value; } vec4 GammaToLinear( in vec4 value, in float gammaFactor ) { return vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a ); } vec4 LinearToGamma( in vec4 value, in float gammaFactor ) { return vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a ); } vec4 sRGBToLinear( in vec4 value ) { 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 ); } vec4 LinearTosRGB( in vec4 value ) { 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 ); } vec4 RGBEToLinear( in vec4 value ) { return vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 ); } vec4 LinearToRGBE( in vec4 value ) { float maxComponent = max( max( value.r, value.g ), value.b ); float fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 ); return vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 ); } vec4 RGBMToLinear( in vec4 value, in float maxRange ) { return vec4( value.rgb * value.a * maxRange, 1.0 ); } vec4 LinearToRGBM( in vec4 value, in float maxRange ) { float maxRGB = max( value.r, max( value.g, value.b ) ); float M = clamp( maxRGB / maxRange, 0.0, 1.0 ); M = ceil( M * 255.0 ) / 255.0; return vec4( value.rgb / ( M * maxRange ), M ); } vec4 RGBDToLinear( in vec4 value, in float maxRange ) { return vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 ); } vec4 LinearToRGBD( in vec4 value, in float maxRange ) { float maxRGB = max( value.r, max( value.g, value.b ) ); float D = max( maxRange / maxRGB, 1.0 ); D = clamp( floor( D ) / 255.0, 0.0, 1.0 ); return vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D ); } const mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 ); vec4 LinearToLogLuv( in vec4 value ) { vec3 Xp_Y_XYZp = cLogLuvM * value.rgb; Xp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) ); vec4 vResult; vResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z; float Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0; vResult.w = fract( Le ); vResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0; return vResult; } const mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 ); vec4 LogLuvToLinear( in vec4 value ) { float Le = value.z * 255.0 + value.w; vec3 Xp_Y_XYZp; Xp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 ); Xp_Y_XYZp.z = Xp_Y_XYZp.y / value.y; Xp_Y_XYZp.x = value.x * Xp_Y_XYZp.z; vec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb; return vec4( max( vRGB, 0.0 ), 1.0 ); }`,E3=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vec3 cameraToFrag; if ( isOrthographic ) { cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); } else { cameraToFrag = normalize( vWorldPosition - cameraPosition ); } vec3 worldNormal = inverseTransformDirection( normal, viewMatrix ); #ifdef ENVMAP_MODE_REFLECTION vec3 reflectVec = reflect( cameraToFrag, worldNormal ); #else vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio ); #endif #else vec3 reflectVec = vReflect; #endif #ifdef ENVMAP_TYPE_CUBE vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) ); #elif defined( ENVMAP_TYPE_CUBE_UV ) vec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 ); #else vec4 envColor = vec4( 0.0 ); #endif #ifndef ENVMAP_TYPE_CUBE_UV envColor = envMapTexelToLinear( envColor ); #endif #ifdef ENVMAP_BLENDING_MULTIPLY outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity ); #elif defined( ENVMAP_BLENDING_MIX ) outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity ); #elif defined( ENVMAP_BLENDING_ADD ) outgoingLight += envColor.xyz * specularStrength * reflectivity; #endif #endif`,C3=`#ifdef USE_ENVMAP uniform float envMapIntensity; uniform float flipEnvMap; uniform int maxMipLevel; #ifdef ENVMAP_TYPE_CUBE uniform samplerCube envMap; #else uniform sampler2D envMap; #endif #endif`,L3=`#ifdef USE_ENVMAP uniform float reflectivity; #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS varying vec3 vWorldPosition; uniform float refractionRatio; #else varying vec3 vReflect; #endif #endif`,R3=`#ifdef USE_ENVMAP #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG ) #define ENV_WORLDPOS #endif #ifdef ENV_WORLDPOS varying vec3 vWorldPosition; #else varying vec3 vReflect; uniform float refractionRatio; #endif #endif`,F3=`#ifdef USE_ENVMAP #ifdef ENV_WORLDPOS vWorldPosition = worldPosition.xyz; #else vec3 cameraToVertex; if ( isOrthographic ) { cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) ); } else { cameraToVertex = normalize( worldPosition.xyz - cameraPosition ); } vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); #ifdef ENVMAP_MODE_REFLECTION vReflect = reflect( cameraToVertex, worldNormal ); #else vReflect = refract( cameraToVertex, worldNormal, refractionRatio ); #endif #endif #endif`,P3=`#ifdef USE_FOG fogDepth = - mvPosition.z; #endif`,I3=`#ifdef USE_FOG varying float fogDepth; #endif`,O3=`#ifdef USE_FOG #ifdef FOG_EXP2 float fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth ); #else float fogFactor = smoothstep( fogNear, fogFar, fogDepth ); #endif gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor ); #endif`,N3=`#ifdef USE_FOG uniform vec3 fogColor; varying float fogDepth; #ifdef FOG_EXP2 uniform float fogDensity; #else uniform float fogNear; uniform float fogFar; #endif #endif`,B3=`#ifdef USE_GRADIENTMAP uniform sampler2D gradientMap; #endif vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) { float dotNL = dot( normal, lightDirection ); vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 ); #ifdef USE_GRADIENTMAP return texture2D( gradientMap, coord ).rgb; #else return ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 ); #endif }`,D3=`#ifdef USE_LIGHTMAP vec4 lightMapTexel= texture2D( lightMap, vUv2 ); reflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; #endif`,V3=`#ifdef USE_LIGHTMAP uniform sampler2D lightMap; uniform float lightMapIntensity; #endif`,k3=`vec3 diffuse = vec3( 1.0 ); GeometricContext geometry; geometry.position = mvPosition.xyz; geometry.normal = normalize( transformedNormal ); geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz ); GeometricContext backGeometry; backGeometry.position = geometry.position; backGeometry.normal = -geometry.normal; backGeometry.viewDir = geometry.viewDir; vLightFront = vec3( 0.0 ); vIndirectFront = vec3( 0.0 ); #ifdef DOUBLE_SIDED vLightBack = vec3( 0.0 ); vIndirectBack = vec3( 0.0 ); #endif IncidentLight directLight; float dotNL; vec3 directLightColor_Diffuse; vIndirectFront += getAmbientLightIrradiance( ambientLightColor ); vIndirectFront += getLightProbeIrradiance( lightProbe, geometry ); #ifdef DOUBLE_SIDED vIndirectBack += getAmbientLightIrradiance( ambientLightColor ); vIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry ); #endif #if NUM_POINT_LIGHTS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { getPointDirectLightIrradiance( pointLights[ i ], geometry, directLight ); dotNL = dot( geometry.normal, directLight.direction ); directLightColor_Diffuse = PI * directLight.color; vLightFront += saturate( dotNL ) * directLightColor_Diffuse; #ifdef DOUBLE_SIDED vLightBack += saturate( -dotNL ) * directLightColor_Diffuse; #endif } #pragma unroll_loop_end #endif #if NUM_SPOT_LIGHTS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { getSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight ); dotNL = dot( geometry.normal, directLight.direction ); directLightColor_Diffuse = PI * directLight.color; vLightFront += saturate( dotNL ) * directLightColor_Diffuse; #ifdef DOUBLE_SIDED vLightBack += saturate( -dotNL ) * directLightColor_Diffuse; #endif } #pragma unroll_loop_end #endif #if NUM_DIR_LIGHTS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { getDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight ); dotNL = dot( geometry.normal, directLight.direction ); directLightColor_Diffuse = PI * directLight.color; vLightFront += saturate( dotNL ) * directLightColor_Diffuse; #ifdef DOUBLE_SIDED vLightBack += saturate( -dotNL ) * directLightColor_Diffuse; #endif } #pragma unroll_loop_end #endif #if NUM_HEMI_LIGHTS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { vIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry ); #ifdef DOUBLE_SIDED vIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry ); #endif } #pragma unroll_loop_end #endif`,z3=`uniform bool receiveShadow; uniform vec3 ambientLightColor; uniform vec3 lightProbe[ 9 ]; vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) { float x = normal.x, y = normal.y, z = normal.z; vec3 result = shCoefficients[ 0 ] * 0.886227; result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y; result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z; result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x; result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y; result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z; result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 ); result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z; result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y ); return result; } vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) { vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix ); vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe ); return irradiance; } vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) { vec3 irradiance = ambientLightColor; #ifndef PHYSICALLY_CORRECT_LIGHTS irradiance *= PI; #endif return irradiance; } #if NUM_DIR_LIGHTS > 0 struct DirectionalLight { vec3 direction; vec3 color; }; uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ]; void getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) { directLight.color = directionalLight.color; directLight.direction = directionalLight.direction; directLight.visible = true; } #endif #if NUM_POINT_LIGHTS > 0 struct PointLight { vec3 position; vec3 color; float distance; float decay; }; uniform PointLight pointLights[ NUM_POINT_LIGHTS ]; void getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) { vec3 lVector = pointLight.position - geometry.position; directLight.direction = normalize( lVector ); float lightDistance = length( lVector ); directLight.color = pointLight.color; directLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay ); directLight.visible = ( directLight.color != vec3( 0.0 ) ); } #endif #if NUM_SPOT_LIGHTS > 0 struct SpotLight { vec3 position; vec3 direction; vec3 color; float distance; float decay; float coneCos; float penumbraCos; }; uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ]; void getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) { vec3 lVector = spotLight.position - geometry.position; directLight.direction = normalize( lVector ); float lightDistance = length( lVector ); float angleCos = dot( directLight.direction, spotLight.direction ); if ( angleCos > spotLight.coneCos ) { float spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos ); directLight.color = spotLight.color; directLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay ); directLight.visible = true; } else { directLight.color = vec3( 0.0 ); directLight.visible = false; } } #endif #if NUM_RECT_AREA_LIGHTS > 0 struct RectAreaLight { vec3 color; vec3 position; vec3 halfWidth; vec3 halfHeight; }; uniform sampler2D ltc_1; uniform sampler2D ltc_2; uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ]; #endif #if NUM_HEMI_LIGHTS > 0 struct HemisphereLight { vec3 direction; vec3 skyColor; vec3 groundColor; }; uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ]; vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) { float dotNL = dot( geometry.normal, hemiLight.direction ); float hemiDiffuseWeight = 0.5 * dotNL + 0.5; vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight ); #ifndef PHYSICALLY_CORRECT_LIGHTS irradiance *= PI; #endif return irradiance; } #endif`,U3=`#if defined( USE_ENVMAP ) #ifdef ENVMAP_MODE_REFRACTION uniform float refractionRatio; #endif vec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) { vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix ); #ifdef ENVMAP_TYPE_CUBE vec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz ); #ifdef TEXTURE_LOD_EXT vec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) ); #else vec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) ); #endif envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb; #elif defined( ENVMAP_TYPE_CUBE_UV ) vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 ); #else vec4 envMapColor = vec4( 0.0 ); #endif return PI * envMapColor.rgb * envMapIntensity; } float getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) { float maxMIPLevelScalar = float( maxMIPLevel ); float sigma = PI * roughness * roughness / ( 1.0 + roughness ); float desiredMIPLevel = maxMIPLevelScalar + log2( sigma ); return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar ); } vec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) { #ifdef ENVMAP_MODE_REFLECTION vec3 reflectVec = reflect( -viewDir, normal ); reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) ); #else vec3 reflectVec = refract( -viewDir, normal, refractionRatio ); #endif reflectVec = inverseTransformDirection( reflectVec, viewMatrix ); float specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel ); #ifdef ENVMAP_TYPE_CUBE vec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz ); #ifdef TEXTURE_LOD_EXT vec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel ); #else vec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel ); #endif envMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb; #elif defined( ENVMAP_TYPE_CUBE_UV ) vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness ); #endif return envMapColor.rgb * envMapIntensity; } #endif`,G3=`ToonMaterial material; material.diffuseColor = diffuseColor.rgb;`,H3=`varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif struct ToonMaterial { vec3 diffuseColor; }; void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color; #ifndef PHYSICALLY_CORRECT_LIGHTS irradiance *= PI; #endif reflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); } void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_Toon #define RE_IndirectDiffuse RE_IndirectDiffuse_Toon #define Material_LightProbeLOD( material ) (0)`,W3=`BlinnPhongMaterial material; material.diffuseColor = diffuseColor.rgb; material.specularColor = specular; material.specularShininess = shininess; material.specularStrength = specularStrength;`,j3=`varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif struct BlinnPhongMaterial { vec3 diffuseColor; vec3 specularColor; float specularShininess; float specularStrength; }; void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; #ifndef PHYSICALLY_CORRECT_LIGHTS irradiance *= PI; #endif reflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); reflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength; } void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); } #define RE_Direct RE_Direct_BlinnPhong #define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong #define Material_LightProbeLOD( material ) (0)`,$3=`PhysicalMaterial material; material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor ); vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) ); float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z ); material.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness; material.specularRoughness = min( material.specularRoughness, 1.0 ); #ifdef REFLECTIVITY material.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor ); #else material.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor ); #endif #ifdef CLEARCOAT material.clearcoat = clearcoat; material.clearcoatRoughness = clearcoatRoughness; #ifdef USE_CLEARCOATMAP material.clearcoat *= texture2D( clearcoatMap, vUv ).x; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y; #endif material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 ); material.clearcoatRoughness += geometryRoughness; material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 ); #endif #ifdef USE_SHEEN material.sheenColor = sheen; #endif`,Z3=`struct PhysicalMaterial { vec3 diffuseColor; float specularRoughness; vec3 specularColor; #ifdef CLEARCOAT float clearcoat; float clearcoatRoughness; #endif #ifdef USE_SHEEN vec3 sheenColor; #endif }; #define MAXIMUM_SPECULAR_COEFFICIENT 0.16 #define DEFAULT_SPECULAR_COEFFICIENT 0.04 float clearcoatDHRApprox( const in float roughness, const in float dotNL ) { return DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) ); } #if NUM_RECT_AREA_LIGHTS > 0 void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { vec3 normal = geometry.normal; vec3 viewDir = geometry.viewDir; vec3 position = geometry.position; vec3 lightPos = rectAreaLight.position; vec3 halfWidth = rectAreaLight.halfWidth; vec3 halfHeight = rectAreaLight.halfHeight; vec3 lightColor = rectAreaLight.color; float roughness = material.specularRoughness; vec3 rectCoords[ 4 ]; rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight; rectCoords[ 2 ] = lightPos - halfWidth + halfHeight; rectCoords[ 3 ] = lightPos + halfWidth + halfHeight; vec2 uv = LTC_Uv( normal, viewDir, roughness ); vec4 t1 = texture2D( ltc_1, uv ); vec4 t2 = texture2D( ltc_2, uv ); mat3 mInv = mat3( vec3( t1.x, 0, t1.y ), vec3( 0, 1, 0 ), vec3( t1.z, 0, t1.w ) ); vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y ); reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords ); reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords ); } #endif void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { float dotNL = saturate( dot( geometry.normal, directLight.direction ) ); vec3 irradiance = dotNL * directLight.color; #ifndef PHYSICALLY_CORRECT_LIGHTS irradiance *= PI; #endif #ifdef CLEARCOAT float ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) ); vec3 ccIrradiance = ccDotNL * directLight.color; #ifndef PHYSICALLY_CORRECT_LIGHTS ccIrradiance *= PI; #endif float clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL ); reflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness ); #else float clearcoatDHR = 0.0; #endif #ifdef USE_SHEEN reflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen( material.specularRoughness, directLight.direction, geometry, material.sheenColor ); #else reflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness); #endif reflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); } void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) { reflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor ); } void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) { #ifdef CLEARCOAT float ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) ); reflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness ); float ccDotNL = ccDotNV; float clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL ); #else float clearcoatDHR = 0.0; #endif float clearcoatInv = 1.0 - clearcoatDHR; vec3 singleScattering = vec3( 0.0 ); vec3 multiScattering = vec3( 0.0 ); vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI; BRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering ); vec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) ); reflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering; reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance; reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance; } #define RE_Direct RE_Direct_Physical #define RE_Direct_RectArea RE_Direct_RectArea_Physical #define RE_IndirectDiffuse RE_IndirectDiffuse_Physical #define RE_IndirectSpecular RE_IndirectSpecular_Physical float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) { return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion ); }`,X3=` GeometricContext geometry; geometry.position = - vViewPosition; geometry.normal = normal; geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition ); #ifdef CLEARCOAT geometry.clearcoatNormal = clearcoatNormal; #endif IncidentLight directLight; #if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct ) PointLight pointLight; #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0 PointLightShadow pointLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) { pointLight = pointLights[ i ]; getPointDirectLightIrradiance( pointLight, geometry, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) pointLightShadow = pointLightShadows[ i ]; directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0; #endif RE_Direct( directLight, geometry, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct ) SpotLight spotLight; #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0 SpotLightShadow spotLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) { spotLight = spotLights[ i ]; getSpotDirectLightIrradiance( spotLight, geometry, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS ) spotLightShadow = spotLightShadows[ i ]; directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; #endif RE_Direct( directLight, geometry, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct ) DirectionalLight directionalLight; #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0 DirectionalLightShadow directionalLightShadow; #endif #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) { directionalLight = directionalLights[ i ]; getDirectionalDirectLightIrradiance( directionalLight, geometry, directLight ); #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS ) directionalLightShadow = directionalLightShadows[ i ]; directLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; #endif RE_Direct( directLight, geometry, material, reflectedLight ); } #pragma unroll_loop_end #endif #if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea ) RectAreaLight rectAreaLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) { rectAreaLight = rectAreaLights[ i ]; RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight ); } #pragma unroll_loop_end #endif #if defined( RE_IndirectDiffuse ) vec3 iblIrradiance = vec3( 0.0 ); vec3 irradiance = getAmbientLightIrradiance( ambientLightColor ); irradiance += getLightProbeIrradiance( lightProbe, geometry ); #if ( NUM_HEMI_LIGHTS > 0 ) #pragma unroll_loop_start for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) { irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry ); } #pragma unroll_loop_end #endif #endif #if defined( RE_IndirectSpecular ) vec3 radiance = vec3( 0.0 ); vec3 clearcoatRadiance = vec3( 0.0 ); #endif`,Y3=`#if defined( RE_IndirectDiffuse ) #ifdef USE_LIGHTMAP vec4 lightMapTexel= texture2D( lightMap, vUv2 ); vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; #ifndef PHYSICALLY_CORRECT_LIGHTS lightMapIrradiance *= PI; #endif irradiance += lightMapIrradiance; #endif #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV ) iblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel ); #endif #endif #if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular ) radiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel ); #ifdef CLEARCOAT clearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel ); #endif #endif`,J3=`#if defined( RE_IndirectDiffuse ) RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight ); #endif #if defined( RE_IndirectSpecular ) RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight ); #endif`,K3=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5; #endif`,q3=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT ) uniform float logDepthBufFC; varying float vFragDepth; varying float vIsPerspective; #endif`,Q3=`#ifdef USE_LOGDEPTHBUF #ifdef USE_LOGDEPTHBUF_EXT varying float vFragDepth; varying float vIsPerspective; #else uniform float logDepthBufFC; #endif #endif`,eF=`#ifdef USE_LOGDEPTHBUF #ifdef USE_LOGDEPTHBUF_EXT vFragDepth = 1.0 + gl_Position.w; vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) ); #else if ( isPerspectiveMatrix( projectionMatrix ) ) { gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0; gl_Position.z *= gl_Position.w; } #endif #endif`,tF=`#ifdef USE_MAP vec4 texelColor = texture2D( map, vUv ); texelColor = mapTexelToLinear( texelColor ); diffuseColor *= texelColor; #endif`,nF=`#ifdef USE_MAP uniform sampler2D map; #endif`,iF=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy; #endif #ifdef USE_MAP vec4 mapTexel = texture2D( map, uv ); diffuseColor *= mapTexelToLinear( mapTexel ); #endif #ifdef USE_ALPHAMAP diffuseColor.a *= texture2D( alphaMap, uv ).g; #endif`,rF=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP ) uniform mat3 uvTransform; #endif #ifdef USE_MAP uniform sampler2D map; #endif #ifdef USE_ALPHAMAP uniform sampler2D alphaMap; #endif`,sF=`float metalnessFactor = metalness; #ifdef USE_METALNESSMAP vec4 texelMetalness = texture2D( metalnessMap, vUv ); metalnessFactor *= texelMetalness.b; #endif`,oF=`#ifdef USE_METALNESSMAP uniform sampler2D metalnessMap; #endif`,aF=`#ifdef USE_MORPHNORMALS objectNormal *= morphTargetBaseInfluence; objectNormal += morphNormal0 * morphTargetInfluences[ 0 ]; objectNormal += morphNormal1 * morphTargetInfluences[ 1 ]; objectNormal += morphNormal2 * morphTargetInfluences[ 2 ]; objectNormal += morphNormal3 * morphTargetInfluences[ 3 ]; #endif`,lF=`#ifdef USE_MORPHTARGETS uniform float morphTargetBaseInfluence; #ifndef USE_MORPHNORMALS uniform float morphTargetInfluences[ 8 ]; #else uniform float morphTargetInfluences[ 4 ]; #endif #endif`,cF=`#ifdef USE_MORPHTARGETS transformed *= morphTargetBaseInfluence; transformed += morphTarget0 * morphTargetInfluences[ 0 ]; transformed += morphTarget1 * morphTargetInfluences[ 1 ]; transformed += morphTarget2 * morphTargetInfluences[ 2 ]; transformed += morphTarget3 * morphTargetInfluences[ 3 ]; #ifndef USE_MORPHNORMALS transformed += morphTarget4 * morphTargetInfluences[ 4 ]; transformed += morphTarget5 * morphTargetInfluences[ 5 ]; transformed += morphTarget6 * morphTargetInfluences[ 6 ]; transformed += morphTarget7 * morphTargetInfluences[ 7 ]; #endif #endif`,uF=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0; #ifdef FLAT_SHADED vec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) ); vec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) ); vec3 normal = normalize( cross( fdx, fdy ) ); #else vec3 normal = normalize( vNormal ); #ifdef DOUBLE_SIDED normal = normal * faceDirection; #endif #ifdef USE_TANGENT vec3 tangent = normalize( vTangent ); vec3 bitangent = normalize( vBitangent ); #ifdef DOUBLE_SIDED tangent = tangent * faceDirection; bitangent = bitangent * faceDirection; #endif #if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP ) mat3 vTBN = mat3( tangent, bitangent, normal ); #endif #endif #endif vec3 geometryNormal = normal;`,hF=`#ifdef OBJECTSPACE_NORMALMAP normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; #ifdef FLIP_SIDED normal = - normal; #endif #ifdef DOUBLE_SIDED normal = normal * faceDirection; #endif normal = normalize( normalMatrix * normal ); #elif defined( TANGENTSPACE_NORMALMAP ) vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; mapN.xy *= normalScale; #ifdef USE_TANGENT normal = normalize( vTBN * mapN ); #else normal = perturbNormal2Arb( -vViewPosition, normal, mapN, faceDirection ); #endif #elif defined( USE_BUMPMAP ) normal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd(), faceDirection ); #endif`,dF=`#ifdef USE_NORMALMAP uniform sampler2D normalMap; uniform vec2 normalScale; #endif #ifdef OBJECTSPACE_NORMALMAP uniform mat3 normalMatrix; #endif #if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) ) vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) { vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) ); vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) ); vec2 st0 = dFdx( vUv.st ); vec2 st1 = dFdy( vUv.st ); vec3 N = surf_norm; vec3 q1perp = cross( q1, N ); vec3 q0perp = cross( N, q0 ); vec3 T = q1perp * st0.x + q0perp * st1.x; vec3 B = q1perp * st0.y + q0perp * st1.y; float det = max( dot( T, T ), dot( B, B ) ); float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det ); return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z ); } #endif`,fF=`#ifdef CLEARCOAT vec3 clearcoatNormal = geometryNormal; #endif`,pF=`#ifdef USE_CLEARCOAT_NORMALMAP vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0; clearcoatMapN.xy *= clearcoatNormalScale; #ifdef USE_TANGENT clearcoatNormal = normalize( vTBN * clearcoatMapN ); #else clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection ); #endif #endif`,mF=`#ifdef USE_CLEARCOATMAP uniform sampler2D clearcoatMap; #endif #ifdef USE_CLEARCOAT_ROUGHNESSMAP uniform sampler2D clearcoatRoughnessMap; #endif #ifdef USE_CLEARCOAT_NORMALMAP uniform sampler2D clearcoatNormalMap; uniform vec2 clearcoatNormalScale; #endif`,gF=`vec3 packNormalToRGB( const in vec3 normal ) { return normalize( normal ) * 0.5 + 0.5; } vec3 unpackRGBToNormal( const in vec3 rgb ) { return 2.0 * rgb.xyz - 1.0; } const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.; const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. ); const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. ); const float ShiftRight8 = 1. / 256.; vec4 packDepthToRGBA( const in float v ) { vec4 r = vec4( fract( v * PackFactors ), v ); r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale; } float unpackRGBAToDepth( const in vec4 v ) { return dot( v, UnpackFactors ); } vec4 pack2HalfToRGBA( vec2 v ) { vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 )); return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w); } vec2 unpackRGBATo2Half( vec4 v ) { return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) ); } float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) { return ( viewZ + near ) / ( near - far ); } float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) { return linearClipZ * ( near - far ) - near; } float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) { return (( near + viewZ ) * far ) / (( far - near ) * viewZ ); } float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) { return ( near * far ) / ( ( far - near ) * invClipZ - far ); }`,vF=`#ifdef PREMULTIPLIED_ALPHA gl_FragColor.rgb *= gl_FragColor.a; #endif`,yF=`vec4 mvPosition = vec4( transformed, 1.0 ); #ifdef USE_INSTANCING mvPosition = instanceMatrix * mvPosition; #endif mvPosition = modelViewMatrix * mvPosition; gl_Position = projectionMatrix * mvPosition;`,bF=`#ifdef DITHERING gl_FragColor.rgb = dithering( gl_FragColor.rgb ); #endif`,xF=`#ifdef DITHERING vec3 dithering( vec3 color ) { float grid_position = rand( gl_FragCoord.xy ); vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 ); dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position ); return color + dither_shift_RGB; } #endif`,wF=`float roughnessFactor = roughness; #ifdef USE_ROUGHNESSMAP vec4 texelRoughness = texture2D( roughnessMap, vUv ); roughnessFactor *= texelRoughness.g; #endif`,MF=`#ifdef USE_ROUGHNESSMAP uniform sampler2D roughnessMap; #endif`,AF=`#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; }; uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ]; varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; }; uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ]; #endif #if NUM_POINT_LIGHT_SHADOWS > 0 uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; float shadowCameraNear; float shadowCameraFar; }; uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; #endif float texture2DCompare( sampler2D depths, vec2 uv, float compare ) { return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) ); } vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) { return unpackRGBATo2Half( texture2D( shadow, uv ) ); } float VSMShadow (sampler2D shadow, vec2 uv, float compare ){ float occlusion = 1.0; vec2 distribution = texture2DDistribution( shadow, uv ); float hard_shadow = step( compare , distribution.x ); if (hard_shadow != 1.0 ) { float distance = compare - distribution.x ; float variance = max( 0.00000, distribution.y * distribution.y ); float softness_probability = variance / (variance + distance * distance ); softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 ); } return occlusion; } float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) { float shadow = 1.0; shadowCoord.xyz /= shadowCoord.w; shadowCoord.z += shadowBias; bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 ); bool inFrustum = all( inFrustumVec ); bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 ); bool frustumTest = all( frustumTestVec ); if ( frustumTest ) { #if defined( SHADOWMAP_TYPE_PCF ) vec2 texelSize = vec2( 1.0 ) / shadowMapSize; float dx0 = - texelSize.x * shadowRadius; float dy0 = - texelSize.y * shadowRadius; float dx1 = + texelSize.x * shadowRadius; float dy1 = + texelSize.y * shadowRadius; float dx2 = dx0 / 2.0; float dy2 = dy0 / 2.0; float dx3 = dx1 / 2.0; float dy3 = dy1 / 2.0; shadow = ( texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) + texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z ) ) * ( 1.0 / 17.0 ); #elif defined( SHADOWMAP_TYPE_PCF_SOFT ) vec2 texelSize = vec2( 1.0 ) / shadowMapSize; float dx = texelSize.x; float dy = texelSize.y; vec2 uv = shadowCoord.xy; vec2 f = fract( uv * shadowMapSize + 0.5 ); uv -= f * texelSize; shadow = ( texture2DCompare( shadowMap, uv, shadowCoord.z ) + texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) + texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) + mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ), f.x ) + mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ), f.x ) + mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ), f.y ) + mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ), f.y ) + mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ), f.x ), mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ), f.x ), f.y ) ) * ( 1.0 / 9.0 ); #elif defined( SHADOWMAP_TYPE_VSM ) shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z ); #else shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ); #endif } return shadow; } vec2 cubeToUV( vec3 v, float texelSizeY ) { vec3 absV = abs( v ); float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) ); absV *= scaleToCube; v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY ); vec2 planar = v.xy; float almostATexel = 1.5 * texelSizeY; float almostOne = 1.0 - almostATexel; if ( absV.z >= almostOne ) { if ( v.z > 0.0 ) planar.x = 4.0 - v.x; } else if ( absV.x >= almostOne ) { float signX = sign( v.x ); planar.x = v.z * signX + 2.0 * signX; } else if ( absV.y >= almostOne ) { float signY = sign( v.y ); planar.x = v.x + 2.0 * signY + 2.0; planar.y = v.z * signY - 2.0; } return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 ); } float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) { vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) ); vec3 lightToPosition = shadowCoord.xyz; float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias; vec3 bd3D = normalize( lightToPosition ); #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM ) vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y; return ( texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) + texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp ) ) * ( 1.0 / 9.0 ); #else return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ); #endif } #endif`,SF=`#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ]; varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ]; struct DirectionalLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; }; uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ]; #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 uniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ]; varying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ]; struct SpotLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; }; uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ]; #endif #if NUM_POINT_LIGHT_SHADOWS > 0 uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ]; varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ]; struct PointLightShadow { float shadowBias; float shadowNormalBias; float shadowRadius; vec2 shadowMapSize; float shadowCameraNear; float shadowCameraFar; }; uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ]; #endif #endif`,_F=`#ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix ); vec4 shadowWorldPosition; #endif #if NUM_DIR_LIGHT_SHADOWS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 ); vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 ); vSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end #endif #if NUM_POINT_LIGHT_SHADOWS > 0 #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 ); vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition; } #pragma unroll_loop_end #endif #endif`,TF=`float getShadowMask() { float shadow = 1.0; #ifdef USE_SHADOWMAP #if NUM_DIR_LIGHT_SHADOWS > 0 DirectionalLightShadow directionalLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) { directionalLight = directionalLightShadows[ i ]; shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif #if NUM_SPOT_LIGHT_SHADOWS > 0 SpotLightShadow spotLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) { spotLight = spotLightShadows[ i ]; shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0; } #pragma unroll_loop_end #endif #if NUM_POINT_LIGHT_SHADOWS > 0 PointLightShadow pointLight; #pragma unroll_loop_start for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) { pointLight = pointLightShadows[ i ]; shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0; } #pragma unroll_loop_end #endif #endif return shadow; }`,EF=`#ifdef USE_SKINNING mat4 boneMatX = getBoneMatrix( skinIndex.x ); mat4 boneMatY = getBoneMatrix( skinIndex.y ); mat4 boneMatZ = getBoneMatrix( skinIndex.z ); mat4 boneMatW = getBoneMatrix( skinIndex.w ); #endif`,CF=`#ifdef USE_SKINNING uniform mat4 bindMatrix; uniform mat4 bindMatrixInverse; #ifdef BONE_TEXTURE uniform highp sampler2D boneTexture; uniform int boneTextureSize; mat4 getBoneMatrix( const in float i ) { float j = i * 4.0; float x = mod( j, float( boneTextureSize ) ); float y = floor( j / float( boneTextureSize ) ); float dx = 1.0 / float( boneTextureSize ); float dy = 1.0 / float( boneTextureSize ); y = dy * ( y + 0.5 ); vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) ); vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) ); vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) ); vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) ); mat4 bone = mat4( v1, v2, v3, v4 ); return bone; } #else uniform mat4 boneMatrices[ MAX_BONES ]; mat4 getBoneMatrix( const in float i ) { mat4 bone = boneMatrices[ int(i) ]; return bone; } #endif #endif`,LF=`#ifdef USE_SKINNING vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 ); vec4 skinned = vec4( 0.0 ); skinned += boneMatX * skinVertex * skinWeight.x; skinned += boneMatY * skinVertex * skinWeight.y; skinned += boneMatZ * skinVertex * skinWeight.z; skinned += boneMatW * skinVertex * skinWeight.w; transformed = ( bindMatrixInverse * skinned ).xyz; #endif`,RF=`#ifdef USE_SKINNING mat4 skinMatrix = mat4( 0.0 ); skinMatrix += skinWeight.x * boneMatX; skinMatrix += skinWeight.y * boneMatY; skinMatrix += skinWeight.z * boneMatZ; skinMatrix += skinWeight.w * boneMatW; skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix; objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz; #ifdef USE_TANGENT objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz; #endif #endif`,FF=`float specularStrength; #ifdef USE_SPECULARMAP vec4 texelSpecular = texture2D( specularMap, vUv ); specularStrength = texelSpecular.r; #else specularStrength = 1.0; #endif`,PF=`#ifdef USE_SPECULARMAP uniform sampler2D specularMap; #endif`,IF=`#if defined( TONE_MAPPING ) gl_FragColor.rgb = toneMapping( gl_FragColor.rgb ); #endif`,OF=`#ifndef saturate #define saturate(a) clamp( a, 0.0, 1.0 ) #endif uniform float toneMappingExposure; vec3 LinearToneMapping( vec3 color ) { return toneMappingExposure * color; } vec3 ReinhardToneMapping( vec3 color ) { color *= toneMappingExposure; return saturate( color / ( vec3( 1.0 ) + color ) ); } vec3 OptimizedCineonToneMapping( vec3 color ) { color *= toneMappingExposure; color = max( vec3( 0.0 ), color - 0.004 ); return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) ); } vec3 RRTAndODTFit( vec3 v ) { vec3 a = v * ( v + 0.0245786 ) - 0.000090537; vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081; return a / b; } vec3 ACESFilmicToneMapping( vec3 color ) { const mat3 ACESInputMat = mat3( vec3( 0.59719, 0.07600, 0.02840 ), vec3( 0.35458, 0.90834, 0.13383 ), vec3( 0.04823, 0.01566, 0.83777 ) ); const mat3 ACESOutputMat = mat3( vec3( 1.60475, -0.10208, -0.00327 ), vec3( -0.53108, 1.10813, -0.07276 ), vec3( -0.07367, -0.00605, 1.07602 ) ); color *= toneMappingExposure / 0.6; color = ACESInputMat * color; color = RRTAndODTFit( color ); color = ACESOutputMat * color; return saturate( color ); } vec3 CustomToneMapping( vec3 color ) { return color; }`,NF=`#ifdef USE_TRANSMISSION float transmissionFactor = transmission; float thicknessFactor = thickness; #ifdef USE_TRANSMISSIONMAP transmissionFactor *= texture2D( transmissionMap, vUv ).r; #endif #ifdef USE_THICKNESSNMAP thicknessFactor *= texture2D( thicknessMap, vUv ).g; #endif vec3 pos = vWorldPosition.xyz / vWorldPosition.w; vec3 v = normalize( cameraPosition - pos ); float ior = ( 1.0 + 0.4 * reflectivity ) / ( 1.0 - 0.4 * reflectivity ); vec3 transmission = transmissionFactor * getIBLVolumeRefraction( normal, v, roughnessFactor, material.diffuseColor, totalSpecular, pos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor, attenuationColor, attenuationDistance ); totalDiffuse = mix( totalDiffuse, transmission, transmissionFactor ); #endif`,BF=`#ifdef USE_TRANSMISSION #ifdef USE_TRANSMISSIONMAP uniform sampler2D transmissionMap; #endif #ifdef USE_THICKNESSMAP uniform sampler2D thicknessMap; #endif uniform vec2 transmissionSamplerSize; uniform sampler2D transmissionSamplerMap; uniform mat4 modelMatrix; uniform mat4 projectionMatrix; varying vec4 vWorldPosition; vec3 getVolumeTransmissionRay(vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix) { vec3 refractionVector = refract(-v, normalize(n), 1.0 / ior); vec3 modelScale; modelScale.x = length(vec3(modelMatrix[0].xyz)); modelScale.y = length(vec3(modelMatrix[1].xyz)); modelScale.z = length(vec3(modelMatrix[2].xyz)); return normalize(refractionVector) * thickness * modelScale; } float applyIorToRoughness(float roughness, float ior) { return roughness * clamp(ior * 2.0 - 2.0, 0.0, 1.0); } vec3 getTransmissionSample(vec2 fragCoord, float roughness, float ior) { float framebufferLod = log2(transmissionSamplerSize.x) * applyIorToRoughness(roughness, ior); return texture2DLodEXT(transmissionSamplerMap, fragCoord.xy, framebufferLod).rgb; } vec3 applyVolumeAttenuation(vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance) { if (attenuationDistance == 0.0) { return radiance; } else { vec3 attenuationCoefficient = -log(attenuationColor) / attenuationDistance; vec3 transmittance = exp(-attenuationCoefficient * transmissionDistance); return transmittance * radiance; } } vec3 getIBLVolumeRefraction(vec3 n, vec3 v, float perceptualRoughness, vec3 baseColor, vec3 specularColor, vec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness, vec3 attenuationColor, float attenuationDistance) { vec3 transmissionRay = getVolumeTransmissionRay(n, v, thickness, ior, modelMatrix); vec3 refractedRayExit = position + transmissionRay; vec4 ndcPos = projMatrix * viewMatrix * vec4(refractedRayExit, 1.0); vec2 refractionCoords = ndcPos.xy / ndcPos.w; refractionCoords += 1.0; refractionCoords /= 2.0; vec3 transmittedLight = getTransmissionSample(refractionCoords, perceptualRoughness, ior); vec3 attenuatedColor = applyVolumeAttenuation(transmittedLight, length(transmissionRay), attenuationColor, attenuationDistance); return (1.0 - specularColor) * attenuatedColor * baseColor; } #endif`,DF=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) ) varying vec2 vUv; #endif`,VF=`#ifdef USE_UV #ifdef UVS_VERTEX_ONLY vec2 vUv; #else varying vec2 vUv; #endif uniform mat3 uvTransform; #endif`,kF=`#ifdef USE_UV vUv = ( uvTransform * vec3( uv, 1 ) ).xy; #endif`,zF=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) varying vec2 vUv2; #endif`,UF=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) attribute vec2 uv2; varying vec2 vUv2; uniform mat3 uv2Transform; #endif`,GF=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP ) vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy; #endif`,HF=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) vec4 worldPosition = vec4( transformed, 1.0 ); #ifdef USE_INSTANCING worldPosition = instanceMatrix * worldPosition; #endif worldPosition = modelMatrix * worldPosition; #endif`,WF=`uniform sampler2D t2D; varying vec2 vUv; void main() { vec4 texColor = texture2D( t2D, vUv ); gl_FragColor = mapTexelToLinear( texColor ); #include #include }`,jF=`varying vec2 vUv; uniform mat3 uvTransform; void main() { vUv = ( uvTransform * vec3( uv, 1 ) ).xy; gl_Position = vec4( position.xy, 1.0, 1.0 ); }`,$F=`#include uniform float opacity; varying vec3 vWorldDirection; #include void main() { vec3 vReflect = vWorldDirection; #include gl_FragColor = envColor; gl_FragColor.a *= opacity; #include #include }`,ZF=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include gl_Position.z = gl_Position.w; }`,XF=`#if DEPTH_PACKING == 3200 uniform float opacity; #endif #include #include #include #include #include #include #include varying vec2 vHighPrecisionZW; void main() { #include vec4 diffuseColor = vec4( 1.0 ); #if DEPTH_PACKING == 3200 diffuseColor.a = opacity; #endif #include #include #include #include float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5; #if DEPTH_PACKING == 3200 gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity ); #elif DEPTH_PACKING == 3201 gl_FragColor = packDepthToRGBA( fragCoordZ ); #endif }`,YF=`#include #include #include #include #include #include #include varying vec2 vHighPrecisionZW; void main() { #include #include #ifdef USE_DISPLACEMENTMAP #include #include #include #endif #include #include #include #include #include #include #include vHighPrecisionZW = gl_Position.zw; }`,JF=`#define DISTANCE uniform vec3 referencePosition; uniform float nearDistance; uniform float farDistance; varying vec3 vWorldPosition; #include #include #include #include #include #include void main () { #include vec4 diffuseColor = vec4( 1.0 ); #include #include #include float dist = length( vWorldPosition - referencePosition ); dist = ( dist - nearDistance ) / ( farDistance - nearDistance ); dist = saturate( dist ); gl_FragColor = packDepthToRGBA( dist ); }`,KF=`#define DISTANCE varying vec3 vWorldPosition; #include #include #include #include #include #include void main() { #include #include #ifdef USE_DISPLACEMENTMAP #include #include #include #endif #include #include #include #include #include #include #include vWorldPosition = worldPosition.xyz; }`,qF=`uniform sampler2D tEquirect; varying vec3 vWorldDirection; #include void main() { vec3 direction = normalize( vWorldDirection ); vec2 sampleUV = equirectUv( direction ); vec4 texColor = texture2D( tEquirect, sampleUV ); gl_FragColor = mapTexelToLinear( texColor ); #include #include }`,QF=`varying vec3 vWorldDirection; #include void main() { vWorldDirection = transformDirection( position, modelMatrix ); #include #include }`,eP=`uniform vec3 diffuse; uniform float opacity; uniform float dashSize; uniform float totalSize; varying float vLineDistance; #include #include #include #include #include void main() { #include if ( mod( vLineDistance, totalSize ) > dashSize ) { discard; } vec3 outgoingLight = vec3( 0.0 ); vec4 diffuseColor = vec4( diffuse, opacity ); #include #include outgoingLight = diffuseColor.rgb; gl_FragColor = vec4( outgoingLight, diffuseColor.a ); #include #include #include #include }`,tP=`uniform float scale; attribute float lineDistance; varying float vLineDistance; #include #include #include #include #include #include void main() { vLineDistance = scale * lineDistance; #include #include #include #include #include #include #include }`,nP=`uniform vec3 diffuse; uniform float opacity; #ifndef FLAT_SHADED varying vec3 vNormal; #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void main() { #include vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include #include #include ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); #ifdef USE_LIGHTMAP vec4 lightMapTexel= texture2D( lightMap, vUv2 ); reflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; #else reflectedLight.indirectDiffuse += vec3( 1.0 ); #endif #include reflectedLight.indirectDiffuse *= diffuseColor.rgb; vec3 outgoingLight = reflectedLight.indirectDiffuse; #include gl_FragColor = vec4( outgoingLight, diffuseColor.a ); #include #include #include #include #include }`,iP=`#include #include #include #include #include #include #include #include #include #include void main() { #include #include #include #include #ifdef USE_ENVMAP #include #include #include #include #endif #include #include #include #include #include #include #include #include #include }`,rP=`uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; varying vec3 vLightFront; varying vec3 vIndirectFront; #ifdef DOUBLE_SIDED varying vec3 vLightBack; varying vec3 vIndirectBack; #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void main() { #include vec4 diffuseColor = vec4( diffuse, opacity ); ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include #include #include #include #include #include #include #ifdef DOUBLE_SIDED reflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack; #else reflectedLight.indirectDiffuse += vIndirectFront; #endif #include reflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ); #ifdef DOUBLE_SIDED reflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack; #else reflectedLight.directDiffuse = vLightFront; #endif reflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask(); #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; #include gl_FragColor = vec4( outgoingLight, diffuseColor.a ); #include #include #include #include #include }`,sP=`#define LAMBERT varying vec3 vLightFront; varying vec3 vIndirectFront; #ifdef DOUBLE_SIDED varying vec3 vLightBack; varying vec3 vIndirectBack; #endif #include #include #include #include #include #include #include #include #include #include #include #include #include void main() { #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include }`,oP=`#define MATCAP uniform vec3 diffuse; uniform float opacity; uniform sampler2D matcap; varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif #include #include #include #include #include #include #include #include #include #include #include void main() { #include vec4 diffuseColor = vec4( diffuse, opacity ); #include #include #include #include #include #include #include vec3 viewDir = normalize( vViewPosition ); vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) ); vec3 y = cross( viewDir, x ); vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5; #ifdef USE_MATCAP vec4 matcapColor = texture2D( matcap, uv ); matcapColor = matcapTexelToLinear( matcapColor ); #else vec4 matcapColor = vec4( 1.0 ); #endif vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb; gl_FragColor = vec4( outgoingLight, diffuseColor.a ); #include #include #include #include #include }`,aP=`#define MATCAP varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif #include #include #include #include #include #include #include #include #include void main() { #include #include #include #include #include #include #include #ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #endif #include #include #include #include #include #include #include #include vViewPosition = - mvPosition.xyz; }`,lP=`#define TOON uniform vec3 diffuse; uniform vec3 emissive; uniform float opacity; #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void main() { #include vec4 diffuseColor = vec4( diffuse, opacity ); ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) ); vec3 totalEmissiveRadiance = emissive; #include #include #include #include #include #include #include #include #include #include #include #include #include vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance; gl_FragColor = vec4( outgoingLight, diffuseColor.a ); #include #include #include #include #include }`,cP=`#define TOON varying vec3 vViewPosition; #ifndef FLAT_SHADED varying vec3 vNormal; #endif #include #include #include #include #include #include #include #include #include #include #include void main() { #include #include #include #include #include #include #include #include #ifndef FLAT_SHADED vNormal = normalize( transformedNormal ); #endif #include #include #include #include #include #include