Updated builds.

build/three.js

@@ -7166,6 +7166,8 @@
 
 		isMaterial: true,
 
+		onBeforeCompile: function () {},
+
 		setValues: function ( values ) {
 
 			if ( values === undefined ) return;
@@ -17747,6 +17749,8 @@
 
 			}
 
+			array.push( material.onBeforeCompile.toString() );
+
 			array.push( renderer.gammaOutput );
 
 			return array.join();
@@ -21435,6 +21439,8 @@
 
 				material.__webglShader = materialProperties.__webglShader;
 
+				material.onBeforeCompile();
+
 				program = programCache.acquireProgram( material, parameters, code );
 
 				materialProperties.program = program;

build/three.min.js

@@ -89,18 +89,18 @@ this.getParameters=function(d,f,k,m,r,u){var n=e[d.type],q;if(u.isSkinnedMesh)if
 var t=a.getRenderTarget();return{shaderID:n,precision:l,supportsVertexTextures:b.vertexTextures,outputEncoding:c(t?t.texture:null,a.gammaOutput),map:!!d.map,mapEncoding:c(d.map,a.gammaInput),envMap:!!d.envMap,envMapMode:d.envMap&&d.envMap.mapping,envMapEncoding:c(d.envMap,a.gammaInput),envMapCubeUV:!!d.envMap&&(306===d.envMap.mapping||307===d.envMap.mapping),lightMap:!!d.lightMap,aoMap:!!d.aoMap,emissiveMap:!!d.emissiveMap,emissiveMapEncoding:c(d.emissiveMap,a.gammaInput),bumpMap:!!d.bumpMap,normalMap:!!d.normalMap,
 displacementMap:!!d.displacementMap,roughnessMap:!!d.roughnessMap,metalnessMap:!!d.metalnessMap,specularMap:!!d.specularMap,alphaMap:!!d.alphaMap,gradientMap:!!d.gradientMap,combine:d.combine,vertexColors:d.vertexColors,fog:!!k,useFog:d.fog,fogExp:k&&k.isFogExp2,flatShading:1===d.shading,sizeAttenuation:d.sizeAttenuation,logarithmicDepthBuffer:b.logarithmicDepthBuffer,skinning:d.skinning&&0<q,maxBones:q,useVertexTexture:b.floatVertexTextures,morphTargets:d.morphTargets,morphNormals:d.morphNormals,
 maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:f.directional.length,numPointLights:f.point.length,numSpotLights:f.spot.length,numRectAreaLights:f.rectArea.length,numHemiLights:f.hemi.length,numClippingPlanes:m,numClipIntersection:r,dithering:d.dithering,shadowMapEnabled:a.shadowMap.enabled&&u.receiveShadow&&0<f.shadows.length,shadowMapType:a.shadowMap.type,toneMapping:a.toneMapping,physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:d.premultipliedAlpha,
-alphaTest:d.alphaTest,doubleSided:2===d.side,flipSided:1===d.side,depthPacking:void 0!==d.depthPacking?d.depthPacking:!1}};this.getProgramCode=function(b,c){var d=[];c.shaderID?d.push(c.shaderID):(d.push(b.fragmentShader),d.push(b.vertexShader));if(void 0!==b.defines)for(var e in b.defines)d.push(e),d.push(b.defines[e]);for(e=0;e<f.length;e++)d.push(c[f[e]]);d.push(a.gammaOutput);return d.join()};this.acquireProgram=function(b,c,e){for(var f,r=0,u=d.length;r<u;r++){var n=d[r];if(n.code===e){f=n;++f.usedTimes;
-break}}void 0===f&&(f=new ag(a,e,b,c),d.push(f));return f};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=d.indexOf(a);d[b]=d[d.length-1];d.pop();a.destroy()}};this.programs=d}function dg(a,b,c,d,e,f,g){function h(a,b){if(a.width>b||a.height>b){var c=b/Math.max(a.width,a.height),d=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");d.width=Math.floor(a.width*c);d.height=Math.floor(a.height*c);d.getContext("2d").drawImage(a,0,0,a.width,a.height,0,0,d.width,d.height);console.warn("THREE.WebGLRenderer: image is too big ("+
-a.width+"x"+a.height+"). Resized to "+d.width+"x"+d.height,a);return d}return a}function k(a){return Y.isPowerOfTwo(a.width)&&Y.isPowerOfTwo(a.height)}function m(a,b){return a.generateMipmaps&&b&&1003!==a.minFilter&&1006!==a.minFilter}function r(b){return 1003===b||1004===b||1005===b?a.NEAREST:a.LINEAR}function u(b){b=b.target;b.removeEventListener("dispose",u);a:{var c=d.get(b);if(b.image&&c.__image__webglTextureCube)a.deleteTexture(c.__image__webglTextureCube);else{if(void 0===c.__webglInit)break a;
-a.deleteTexture(c.__webglTexture)}d.remove(b)}g.textures--}function n(b){b=b.target;b.removeEventListener("dispose",n);var c=d.get(b),e=d.get(b.texture);if(b){void 0!==e.__webglTexture&&a.deleteTexture(e.__webglTexture);b.depthTexture&&b.depthTexture.dispose();if(b.isWebGLRenderTargetCube)for(e=0;6>e;e++)a.deleteFramebuffer(c.__webglFramebuffer[e]),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer[e]);else a.deleteFramebuffer(c.__webglFramebuffer),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer);
-d.remove(b.texture);d.remove(b)}g.textures--}function q(b,n){var r=d.get(b);if(0<b.version&&r.__version!==b.version){var q=b.image;if(void 0===q)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined",b);else if(!1===q.complete)console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete",b);else{void 0===r.__webglInit&&(r.__webglInit=!0,b.addEventListener("dispose",u),r.__webglTexture=a.createTexture(),g.textures++);c.activeTexture(a.TEXTURE0+
-n);c.bindTexture(a.TEXTURE_2D,r.__webglTexture);a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,b.flipY);a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,b.premultiplyAlpha);a.pixelStorei(a.UNPACK_ALIGNMENT,b.unpackAlignment);var t=h(b.image,e.maxTextureSize);if((1001!==b.wrapS||1001!==b.wrapT||1003!==b.minFilter&&1006!==b.minFilter)&&!1===k(t))if(q=t,q instanceof HTMLImageElement||q instanceof HTMLCanvasElement){var p=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");p.width=Y.nearestPowerOfTwo(q.width);
-p.height=Y.nearestPowerOfTwo(q.height);p.getContext("2d").drawImage(q,0,0,p.width,p.height);console.warn("THREE.WebGLRenderer: image is not power of two ("+q.width+"x"+q.height+"). Resized to "+p.width+"x"+p.height,q);t=p}else t=q;var q=k(t),p=f(b.format),y=f(b.type);l(a.TEXTURE_2D,b,q);var da=b.mipmaps;if(b.isDepthTexture){da=a.DEPTH_COMPONENT;if(1015===b.type){if(!w)throw Error("Float Depth Texture only supported in WebGL2.0");da=a.DEPTH_COMPONENT32F}else w&&(da=a.DEPTH_COMPONENT16);1026===b.format&&
-da===a.DEPTH_COMPONENT&&1012!==b.type&&1014!==b.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),b.type=1012,y=f(b.type));1027===b.format&&(da=a.DEPTH_STENCIL,1020!==b.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),b.type=1020,y=f(b.type)));c.texImage2D(a.TEXTURE_2D,0,da,t.width,t.height,0,p,y,null)}else if(b.isDataTexture)if(0<da.length&&q){for(var E=0,ha=da.length;E<ha;E++)t=
-da[E],c.texImage2D(a.TEXTURE_2D,E,p,t.width,t.height,0,p,y,t.data);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,p,t.width,t.height,0,p,y,t.data);else if(b.isCompressedTexture)for(E=0,ha=da.length;E<ha;E++)t=da[E],1023!==b.format&&1022!==b.format?-1<c.getCompressedTextureFormats().indexOf(p)?c.compressedTexImage2D(a.TEXTURE_2D,E,p,t.width,t.height,0,t.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):c.texImage2D(a.TEXTURE_2D,
-E,p,t.width,t.height,0,p,y,t.data);else if(0<da.length&&q){E=0;for(ha=da.length;E<ha;E++)t=da[E],c.texImage2D(a.TEXTURE_2D,E,p,p,y,t);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,p,p,y,t);m(b,q)&&a.generateMipmap(a.TEXTURE_2D);r.__version=b.version;if(b.onUpdate)b.onUpdate(b);return}}c.activeTexture(a.TEXTURE0+n);c.bindTexture(a.TEXTURE_2D,r.__webglTexture)}function l(c,g,h){h?(a.texParameteri(c,a.TEXTURE_WRAP_S,f(g.wrapS)),a.texParameteri(c,a.TEXTURE_WRAP_T,f(g.wrapT)),a.texParameteri(c,
-a.TEXTURE_MAG_FILTER,f(g.magFilter)),a.texParameteri(c,a.TEXTURE_MIN_FILTER,f(g.minFilter))):(a.texParameteri(c,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(c,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),1001===g.wrapS&&1001===g.wrapT||console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.",g),a.texParameteri(c,a.TEXTURE_MAG_FILTER,r(g.magFilter)),a.texParameteri(c,a.TEXTURE_MIN_FILTER,r(g.minFilter)),1003!==g.minFilter&&
-1006!==g.minFilter&&console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.",g));!(h=b.get("EXT_texture_filter_anisotropic"))||1015===g.type&&null===b.get("OES_texture_float_linear")||1016===g.type&&null===b.get("OES_texture_half_float_linear")||!(1<g.anisotropy||d.get(g).__currentAnisotropy)||(a.texParameterf(c,h.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(g.anisotropy,e.getMaxAnisotropy())),d.get(g).__currentAnisotropy=
+alphaTest:d.alphaTest,doubleSided:2===d.side,flipSided:1===d.side,depthPacking:void 0!==d.depthPacking?d.depthPacking:!1}};this.getProgramCode=function(b,c){var d=[];c.shaderID?d.push(c.shaderID):(d.push(b.fragmentShader),d.push(b.vertexShader));if(void 0!==b.defines)for(var e in b.defines)d.push(e),d.push(b.defines[e]);for(e=0;e<f.length;e++)d.push(c[f[e]]);d.push(b.onBeforeCompile.toString());d.push(a.gammaOutput);return d.join()};this.acquireProgram=function(b,c,e){for(var f,r=0,u=d.length;r<u;r++){var n=
+d[r];if(n.code===e){f=n;++f.usedTimes;break}}void 0===f&&(f=new ag(a,e,b,c),d.push(f));return f};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=d.indexOf(a);d[b]=d[d.length-1];d.pop();a.destroy()}};this.programs=d}function dg(a,b,c,d,e,f,g){function h(a,b){if(a.width>b||a.height>b){var c=b/Math.max(a.width,a.height),d=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");d.width=Math.floor(a.width*c);d.height=Math.floor(a.height*c);d.getContext("2d").drawImage(a,0,0,a.width,
+a.height,0,0,d.width,d.height);console.warn("THREE.WebGLRenderer: image is too big ("+a.width+"x"+a.height+"). Resized to "+d.width+"x"+d.height,a);return d}return a}function k(a){return Y.isPowerOfTwo(a.width)&&Y.isPowerOfTwo(a.height)}function m(a,b){return a.generateMipmaps&&b&&1003!==a.minFilter&&1006!==a.minFilter}function r(b){return 1003===b||1004===b||1005===b?a.NEAREST:a.LINEAR}function u(b){b=b.target;b.removeEventListener("dispose",u);a:{var c=d.get(b);if(b.image&&c.__image__webglTextureCube)a.deleteTexture(c.__image__webglTextureCube);
+else{if(void 0===c.__webglInit)break a;a.deleteTexture(c.__webglTexture)}d.remove(b)}g.textures--}function n(b){b=b.target;b.removeEventListener("dispose",n);var c=d.get(b),e=d.get(b.texture);if(b){void 0!==e.__webglTexture&&a.deleteTexture(e.__webglTexture);b.depthTexture&&b.depthTexture.dispose();if(b.isWebGLRenderTargetCube)for(e=0;6>e;e++)a.deleteFramebuffer(c.__webglFramebuffer[e]),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer[e]);else a.deleteFramebuffer(c.__webglFramebuffer),
+c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer);d.remove(b.texture);d.remove(b)}g.textures--}function q(b,n){var r=d.get(b);if(0<b.version&&r.__version!==b.version){var q=b.image;if(void 0===q)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined",b);else if(!1===q.complete)console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete",b);else{void 0===r.__webglInit&&(r.__webglInit=!0,b.addEventListener("dispose",u),r.__webglTexture=
+a.createTexture(),g.textures++);c.activeTexture(a.TEXTURE0+n);c.bindTexture(a.TEXTURE_2D,r.__webglTexture);a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,b.flipY);a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,b.premultiplyAlpha);a.pixelStorei(a.UNPACK_ALIGNMENT,b.unpackAlignment);var t=h(b.image,e.maxTextureSize);if((1001!==b.wrapS||1001!==b.wrapT||1003!==b.minFilter&&1006!==b.minFilter)&&!1===k(t))if(q=t,q instanceof HTMLImageElement||q instanceof HTMLCanvasElement){var p=document.createElementNS("http://www.w3.org/1999/xhtml",
+"canvas");p.width=Y.nearestPowerOfTwo(q.width);p.height=Y.nearestPowerOfTwo(q.height);p.getContext("2d").drawImage(q,0,0,p.width,p.height);console.warn("THREE.WebGLRenderer: image is not power of two ("+q.width+"x"+q.height+"). Resized to "+p.width+"x"+p.height,q);t=p}else t=q;var q=k(t),p=f(b.format),y=f(b.type);l(a.TEXTURE_2D,b,q);var da=b.mipmaps;if(b.isDepthTexture){da=a.DEPTH_COMPONENT;if(1015===b.type){if(!w)throw Error("Float Depth Texture only supported in WebGL2.0");da=a.DEPTH_COMPONENT32F}else w&&
+(da=a.DEPTH_COMPONENT16);1026===b.format&&da===a.DEPTH_COMPONENT&&1012!==b.type&&1014!==b.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),b.type=1012,y=f(b.type));1027===b.format&&(da=a.DEPTH_STENCIL,1020!==b.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),b.type=1020,y=f(b.type)));c.texImage2D(a.TEXTURE_2D,0,da,t.width,t.height,0,p,y,null)}else if(b.isDataTexture)if(0<da.length&&
+q){for(var E=0,ha=da.length;E<ha;E++)t=da[E],c.texImage2D(a.TEXTURE_2D,E,p,t.width,t.height,0,p,y,t.data);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,p,t.width,t.height,0,p,y,t.data);else if(b.isCompressedTexture)for(E=0,ha=da.length;E<ha;E++)t=da[E],1023!==b.format&&1022!==b.format?-1<c.getCompressedTextureFormats().indexOf(p)?c.compressedTexImage2D(a.TEXTURE_2D,E,p,t.width,t.height,0,t.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):
+c.texImage2D(a.TEXTURE_2D,E,p,t.width,t.height,0,p,y,t.data);else if(0<da.length&&q){E=0;for(ha=da.length;E<ha;E++)t=da[E],c.texImage2D(a.TEXTURE_2D,E,p,p,y,t);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,p,p,y,t);m(b,q)&&a.generateMipmap(a.TEXTURE_2D);r.__version=b.version;if(b.onUpdate)b.onUpdate(b);return}}c.activeTexture(a.TEXTURE0+n);c.bindTexture(a.TEXTURE_2D,r.__webglTexture)}function l(c,g,h){h?(a.texParameteri(c,a.TEXTURE_WRAP_S,f(g.wrapS)),a.texParameteri(c,a.TEXTURE_WRAP_T,f(g.wrapT)),
+a.texParameteri(c,a.TEXTURE_MAG_FILTER,f(g.magFilter)),a.texParameteri(c,a.TEXTURE_MIN_FILTER,f(g.minFilter))):(a.texParameteri(c,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(c,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),1001===g.wrapS&&1001===g.wrapT||console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.",g),a.texParameteri(c,a.TEXTURE_MAG_FILTER,r(g.magFilter)),a.texParameteri(c,a.TEXTURE_MIN_FILTER,r(g.minFilter)),
+1003!==g.minFilter&&1006!==g.minFilter&&console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.",g));!(h=b.get("EXT_texture_filter_anisotropic"))||1015===g.type&&null===b.get("OES_texture_float_linear")||1016===g.type&&null===b.get("OES_texture_half_float_linear")||!(1<g.anisotropy||d.get(g).__currentAnisotropy)||(a.texParameterf(c,h.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(g.anisotropy,e.getMaxAnisotropy())),d.get(g).__currentAnisotropy=
 g.anisotropy)}function t(b,e,g,h){var k=f(e.texture.format),m=f(e.texture.type);c.texImage2D(h,0,k,e.width,e.height,0,k,m,null);a.bindFramebuffer(a.FRAMEBUFFER,b);a.framebufferTexture2D(a.FRAMEBUFFER,g,h,d.get(e.texture).__webglTexture,0);a.bindFramebuffer(a.FRAMEBUFFER,null)}function p(b,c){a.bindRenderbuffer(a.RENDERBUFFER,b);c.depthBuffer&&!c.stencilBuffer?(a.renderbufferStorage(a.RENDERBUFFER,a.DEPTH_COMPONENT16,c.width,c.height),a.framebufferRenderbuffer(a.FRAMEBUFFER,a.DEPTH_ATTACHMENT,a.RENDERBUFFER,
 b)):c.depthBuffer&&c.stencilBuffer?(a.renderbufferStorage(a.RENDERBUFFER,a.DEPTH_STENCIL,c.width,c.height),a.framebufferRenderbuffer(a.FRAMEBUFFER,a.DEPTH_STENCIL_ATTACHMENT,a.RENDERBUFFER,b)):a.renderbufferStorage(a.RENDERBUFFER,a.RGBA4,c.width,c.height);a.bindRenderbuffer(a.RENDERBUFFER,null)}var w="undefined"!==typeof WebGL2RenderingContext&&a instanceof WebGL2RenderingContext;this.setTexture2D=q;this.setTextureCube=function(b,n){var r=d.get(b);if(6===b.image.length)if(0<b.version&&r.__version!==
 b.version){r.__image__webglTextureCube||(b.addEventListener("dispose",u),r.__image__webglTextureCube=a.createTexture(),g.textures++);c.activeTexture(a.TEXTURE0+n);c.bindTexture(a.TEXTURE_CUBE_MAP,r.__image__webglTextureCube);a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,b.flipY);for(var q=b&&b.isCompressedTexture,t=b.image[0]&&b.image[0].isDataTexture,p=[],y=0;6>y;y++)p[y]=q||t?t?b.image[y].image:b.image[y]:h(b.image[y],e.maxCubemapSize);var w=k(p[0]),E=f(b.format),ha=f(b.type);l(a.TEXTURE_CUBE_MAP,b,w);for(y=
@@ -134,26 +134,26 @@ Ha.g,Ha.b,aa,C)}function c(){T=B=null;ba="";W=-1;fa.reset()}function d(a){a.prev
 !la.intersectsSprite(a)||L.push(a);else if(a.isLensFlare)D.push(a);else if(a.isImmediateRenderObject)c&&Pa.setFromMatrixPosition(a.matrixWorld).applyMatrix4(kd),E.push(a,null,a.material,Pa.z,null);else if(a.isMesh||a.isLine||a.isPoints)if(a.isSkinnedMesh&&a.skeleton.update(),!a.frustumCulled||la.intersectsObject(a)){c&&Pa.setFromMatrixPosition(a.matrixWorld).applyMatrix4(kd);var d=va.update(a),e=a.material;if(Array.isArray(e))for(var f=d.groups,g=0,h=f.length;g<h;g++){var m=f[g],n=e[m.materialIndex];
 n&&n.visible&&E.push(a,d,n,Pa.z,m)}else e.visible&&E.push(a,d,e,Pa.z,null)}a=a.children;g=0;for(h=a.length;g<h;g++)k(a[g],b,c)}}function m(a,b,c,d){for(var e=0,f=a.length;e<f;e++){var g=a[e],h=g.object,k=g.geometry,m=void 0===d?g.material:d,g=g.group;h.onBeforeRender(x,b,c,k,m,g);if(c.isArrayCamera)for(var n=c.cameras,u=0,q=n.length;u<q;u++){var l=n[u],t=l.bounds,p=t.x*P,F=t.y*ca,v=t.z*P,t=t.w*ca;x.setViewport(p,F,v,t);x.setScissor(p,F,v,t);x.setScissorTest(!0);r(h,b,l,k,m,g)}else r(h,b,c,k,m,g);
 h.onAfterRender(x,b,c,k,m,g)}}function r(a,b,c,d,e,f){a.modelViewMatrix.multiplyMatrices(c.matrixWorldInverse,a.matrixWorld);a.normalMatrix.getNormalMatrix(a.modelViewMatrix);a.isImmediateRenderObject?(fa.setMaterial(e),b=n(c,b.fog,e,a),ba="",g(a,b,e)):x.renderBufferDirect(c,b.fog,d,e,a,f)}function u(a,b,c){var d=ia.get(a);c=xa.getParameters(a,ea,b,Oa.numPlanes,Oa.numIntersection,c);var g=xa.getProgramCode(a,c),h=d.program,k=!0;if(void 0===h)a.addEventListener("dispose",e);else if(h.code!==g)f(a);
-else{if(void 0!==c.shaderID)return;k=!1}k&&(c.shaderID?(h=$a[c.shaderID],d.__webglShader={name:a.type,uniforms:Ga.clone(h.uniforms),vertexShader:h.vertexShader,fragmentShader:h.fragmentShader}):d.__webglShader={name:a.type,uniforms:a.uniforms,vertexShader:a.vertexShader,fragmentShader:a.fragmentShader},a.__webglShader=d.__webglShader,h=xa.acquireProgram(a,c,g),d.program=h,a.program=h);c=h.getAttributes();if(a.morphTargets)for(g=a.numSupportedMorphTargets=0;g<x.maxMorphTargets;g++)0<=c["morphTarget"+
-g]&&a.numSupportedMorphTargets++;if(a.morphNormals)for(g=a.numSupportedMorphNormals=0;g<x.maxMorphNormals;g++)0<=c["morphNormal"+g]&&a.numSupportedMorphNormals++;c=d.__webglShader.uniforms;if(!a.isShaderMaterial&&!a.isRawShaderMaterial||!0===a.clipping)d.numClippingPlanes=Oa.numPlanes,d.numIntersection=Oa.numIntersection,c.clippingPlanes=Oa.uniform;d.fog=b;d.lightsHash=ea.hash;a.lights&&(c.ambientLightColor.value=ea.ambient,c.directionalLights.value=ea.directional,c.spotLights.value=ea.spot,c.rectAreaLights.value=
-ea.rectArea,c.pointLights.value=ea.point,c.hemisphereLights.value=ea.hemi,c.directionalShadowMap.value=ea.directionalShadowMap,c.directionalShadowMatrix.value=ea.directionalShadowMatrix,c.spotShadowMap.value=ea.spotShadowMap,c.spotShadowMatrix.value=ea.spotShadowMatrix,c.pointShadowMap.value=ea.pointShadowMap,c.pointShadowMatrix.value=ea.pointShadowMatrix);a=d.program.getUniforms();a=eb.seqWithValue(a.seq,c);d.uniformsList=a}function n(a,b,c,d){R=0;var e=ia.get(c);jd&&(Vd||a!==T)&&Oa.setState(c.clippingPlanes,
-c.clipIntersection,c.clipShadows,a,e,a===T&&c.id===W);!1===c.needsUpdate&&(void 0===e.program?c.needsUpdate=!0:c.fog&&e.fog!==b?c.needsUpdate=!0:c.lights&&e.lightsHash!==ea.hash?c.needsUpdate=!0:void 0===e.numClippingPlanes||e.numClippingPlanes===Oa.numPlanes&&e.numIntersection===Oa.numIntersection||(c.needsUpdate=!0));c.needsUpdate&&(u(c,b,d),c.needsUpdate=!1);var f=!1,g=!1,h=!1,k=e.program,m=k.getUniforms(),n=e.__webglShader.uniforms;k.id!==B&&(A.useProgram(k.program),B=k.id,h=g=f=!0);c.id!==W&&
-(W=c.id,g=!0);if(f||a!==T){m.setValue(A,"projectionMatrix",a.projectionMatrix);ma.logarithmicDepthBuffer&&m.setValue(A,"logDepthBufFC",2/(Math.log(a.far+1)/Math.LN2));a!==T&&(T=a,h=g=!0);if(c.isShaderMaterial||c.isMeshPhongMaterial||c.isMeshStandardMaterial||c.envMap)f=m.map.cameraPosition,void 0!==f&&f.setValue(A,Pa.setFromMatrixPosition(a.matrixWorld));(c.isMeshPhongMaterial||c.isMeshLambertMaterial||c.isMeshBasicMaterial||c.isMeshStandardMaterial||c.isShaderMaterial||c.skinning)&&m.setValue(A,
-"viewMatrix",a.matrixWorldInverse);m.setValue(A,"toneMappingExposure",x.toneMappingExposure);m.setValue(A,"toneMappingWhitePoint",x.toneMappingWhitePoint)}if(c.skinning&&(m.setOptional(A,d,"bindMatrix"),m.setOptional(A,d,"bindMatrixInverse"),a=d.skeleton))if(f=a.bones,ma.floatVertexTextures){if(void 0===a.boneTexture){var f=Math.sqrt(4*f.length),f=Y.nextPowerOfTwo(Math.ceil(f)),f=Math.max(f,4),r=new Float32Array(f*f*4);r.set(a.boneMatrices);var t=new db(r,f,f,1023,1015);a.boneMatrices=r;a.boneTexture=
-t;a.boneTextureSize=f}m.setValue(A,"boneTexture",a.boneTexture);m.setValue(A,"boneTextureSize",a.boneTextureSize)}else m.setOptional(A,a,"boneMatrices");if(g){c.lights&&(g=h,n.ambientLightColor.needsUpdate=g,n.directionalLights.needsUpdate=g,n.pointLights.needsUpdate=g,n.spotLights.needsUpdate=g,n.rectAreaLights.needsUpdate=g,n.hemisphereLights.needsUpdate=g);b&&c.fog&&(n.fogColor.value=b.color,b.isFog?(n.fogNear.value=b.near,n.fogFar.value=b.far):b.isFogExp2&&(n.fogDensity.value=b.density));if(c.isMeshBasicMaterial||
-c.isMeshLambertMaterial||c.isMeshPhongMaterial||c.isMeshStandardMaterial||c.isMeshNormalMaterial||c.isMeshDepthMaterial){n.opacity.value=c.opacity;n.diffuse.value=c.color;c.emissive&&n.emissive.value.copy(c.emissive).multiplyScalar(c.emissiveIntensity);n.map.value=c.map;n.specularMap.value=c.specularMap;n.alphaMap.value=c.alphaMap;c.lightMap&&(n.lightMap.value=c.lightMap,n.lightMapIntensity.value=c.lightMapIntensity);c.aoMap&&(n.aoMap.value=c.aoMap,n.aoMapIntensity.value=c.aoMapIntensity);var p;c.map?
-p=c.map:c.specularMap?p=c.specularMap:c.displacementMap?p=c.displacementMap:c.normalMap?p=c.normalMap:c.bumpMap?p=c.bumpMap:c.roughnessMap?p=c.roughnessMap:c.metalnessMap?p=c.metalnessMap:c.alphaMap?p=c.alphaMap:c.emissiveMap&&(p=c.emissiveMap);void 0!==p&&(p.isWebGLRenderTarget&&(p=p.texture),b=p.offset,p=p.repeat,n.offsetRepeat.value.set(b.x,b.y,p.x,p.y));n.envMap.value=c.envMap;n.flipEnvMap.value=c.envMap&&c.envMap.isCubeTexture?-1:1;n.reflectivity.value=c.reflectivity;n.refractionRatio.value=
-c.refractionRatio}c.isLineBasicMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity):c.isLineDashedMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity,n.dashSize.value=c.dashSize,n.totalSize.value=c.dashSize+c.gapSize,n.scale.value=c.scale):c.isPointsMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity,n.size.value=c.size*V,n.scale.value=.5*ca,n.map.value=c.map,null!==c.map&&(p=c.map.offset,c=c.map.repeat,n.offsetRepeat.value.set(p.x,p.y,c.x,c.y))):c.isMeshLambertMaterial?c.emissiveMap&&
-(n.emissiveMap.value=c.emissiveMap):c.isMeshToonMaterial?(q(n,c),c.gradientMap&&(n.gradientMap.value=c.gradientMap)):c.isMeshPhongMaterial?q(n,c):c.isMeshPhysicalMaterial?(n.clearCoat.value=c.clearCoat,n.clearCoatRoughness.value=c.clearCoatRoughness,l(n,c)):c.isMeshStandardMaterial?l(n,c):c.isMeshDepthMaterial?c.displacementMap&&(n.displacementMap.value=c.displacementMap,n.displacementScale.value=c.displacementScale,n.displacementBias.value=c.displacementBias):c.isMeshNormalMaterial&&(c.bumpMap&&
-(n.bumpMap.value=c.bumpMap,n.bumpScale.value=c.bumpScale),c.normalMap&&(n.normalMap.value=c.normalMap,n.normalScale.value.copy(c.normalScale)),c.displacementMap&&(n.displacementMap.value=c.displacementMap,n.displacementScale.value=c.displacementScale,n.displacementBias.value=c.displacementBias));void 0!==n.ltcMat&&(n.ltcMat.value=Z.LTC_MAT_TEXTURE);void 0!==n.ltcMag&&(n.ltcMag.value=Z.LTC_MAG_TEXTURE);eb.upload(A,e.uniformsList,n,x)}m.setValue(A,"modelViewMatrix",d.modelViewMatrix);m.setValue(A,"normalMatrix",
-d.normalMatrix);m.setValue(A,"modelMatrix",d.matrixWorld);return k}function q(a,b){a.specular.value=b.specular;a.shininess.value=Math.max(b.shininess,1E-4);b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap);b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale);b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale));b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=b.displacementBias)}
-function l(a,b){a.roughness.value=b.roughness;a.metalness.value=b.metalness;b.roughnessMap&&(a.roughnessMap.value=b.roughnessMap);b.metalnessMap&&(a.metalnessMap.value=b.metalnessMap);b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap);b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale);b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale));b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=
-b.displacementBias);b.envMap&&(a.envMapIntensity.value=b.envMapIntensity)}function t(a,b){var c,d,e,f,g=0,h=0,k=0,m,n,r,u=b.matrixWorldInverse,q=0,l=0,t=0,p=0,F=0;c=0;for(d=a.length;c<d;c++)if(e=a[c],f=e.color,m=e.intensity,n=e.distance,r=e.shadow&&e.shadow.map?e.shadow.map.texture:null,e.isAmbientLight)g+=f.r*m,h+=f.g*m,k+=f.b*m;else if(e.isDirectionalLight){var v=Aa.get(e);v.color.copy(e.color).multiplyScalar(e.intensity);v.direction.setFromMatrixPosition(e.matrixWorld);Pa.setFromMatrixPosition(e.target.matrixWorld);
-v.direction.sub(Pa);v.direction.transformDirection(u);if(v.shadow=e.castShadow)f=e.shadow,v.shadowBias=f.bias,v.shadowRadius=f.radius,v.shadowMapSize=f.mapSize;ea.directionalShadowMap[q]=r;ea.directionalShadowMatrix[q]=e.shadow.matrix;ea.directional[q]=v;q++}else if(e.isSpotLight){v=Aa.get(e);v.position.setFromMatrixPosition(e.matrixWorld);v.position.applyMatrix4(u);v.color.copy(f).multiplyScalar(m);v.distance=n;v.direction.setFromMatrixPosition(e.matrixWorld);Pa.setFromMatrixPosition(e.target.matrixWorld);
-v.direction.sub(Pa);v.direction.transformDirection(u);v.coneCos=Math.cos(e.angle);v.penumbraCos=Math.cos(e.angle*(1-e.penumbra));v.decay=0===e.distance?0:e.decay;if(v.shadow=e.castShadow)f=e.shadow,v.shadowBias=f.bias,v.shadowRadius=f.radius,v.shadowMapSize=f.mapSize;ea.spotShadowMap[t]=r;ea.spotShadowMatrix[t]=e.shadow.matrix;ea.spot[t]=v;t++}else if(e.isRectAreaLight)v=Aa.get(e),v.color.copy(f).multiplyScalar(m/(e.width*e.height)),v.position.setFromMatrixPosition(e.matrixWorld),v.position.applyMatrix4(u),
-qa.identity(),pa.copy(e.matrixWorld),pa.premultiply(u),qa.extractRotation(pa),v.halfWidth.set(.5*e.width,0,0),v.halfHeight.set(0,.5*e.height,0),v.halfWidth.applyMatrix4(qa),v.halfHeight.applyMatrix4(qa),ea.rectArea[p]=v,p++;else if(e.isPointLight){v=Aa.get(e);v.position.setFromMatrixPosition(e.matrixWorld);v.position.applyMatrix4(u);v.color.copy(e.color).multiplyScalar(e.intensity);v.distance=e.distance;v.decay=0===e.distance?0:e.decay;if(v.shadow=e.castShadow)f=e.shadow,v.shadowBias=f.bias,v.shadowRadius=
-f.radius,v.shadowMapSize=f.mapSize;ea.pointShadowMap[l]=r;ea.pointShadowMatrix[l]=e.shadow.matrix;ea.point[l]=v;l++}else e.isHemisphereLight&&(v=Aa.get(e),v.direction.setFromMatrixPosition(e.matrixWorld),v.direction.transformDirection(u),v.direction.normalize(),v.skyColor.copy(e.color).multiplyScalar(m),v.groundColor.copy(e.groundColor).multiplyScalar(m),ea.hemi[F]=v,F++);ea.ambient[0]=g;ea.ambient[1]=h;ea.ambient[2]=k;ea.directional.length=q;ea.spot.length=t;ea.rectArea.length=p;ea.point.length=
-l;ea.hemi.length=F;ea.hash=q+","+l+","+t+","+p+","+F+","+ea.shadows.length}function y(a){var b;if(1E3===a)return A.REPEAT;if(1001===a)return A.CLAMP_TO_EDGE;if(1002===a)return A.MIRRORED_REPEAT;if(1003===a)return A.NEAREST;if(1004===a)return A.NEAREST_MIPMAP_NEAREST;if(1005===a)return A.NEAREST_MIPMAP_LINEAR;if(1006===a)return A.LINEAR;if(1007===a)return A.LINEAR_MIPMAP_NEAREST;if(1008===a)return A.LINEAR_MIPMAP_LINEAR;if(1009===a)return A.UNSIGNED_BYTE;if(1017===a)return A.UNSIGNED_SHORT_4_4_4_4;
+else{if(void 0!==c.shaderID)return;k=!1}k&&(c.shaderID?(h=$a[c.shaderID],d.__webglShader={name:a.type,uniforms:Ga.clone(h.uniforms),vertexShader:h.vertexShader,fragmentShader:h.fragmentShader}):d.__webglShader={name:a.type,uniforms:a.uniforms,vertexShader:a.vertexShader,fragmentShader:a.fragmentShader},a.__webglShader=d.__webglShader,a.onBeforeCompile(),h=xa.acquireProgram(a,c,g),d.program=h,a.program=h);c=h.getAttributes();if(a.morphTargets)for(g=a.numSupportedMorphTargets=0;g<x.maxMorphTargets;g++)0<=
+c["morphTarget"+g]&&a.numSupportedMorphTargets++;if(a.morphNormals)for(g=a.numSupportedMorphNormals=0;g<x.maxMorphNormals;g++)0<=c["morphNormal"+g]&&a.numSupportedMorphNormals++;c=d.__webglShader.uniforms;if(!a.isShaderMaterial&&!a.isRawShaderMaterial||!0===a.clipping)d.numClippingPlanes=Oa.numPlanes,d.numIntersection=Oa.numIntersection,c.clippingPlanes=Oa.uniform;d.fog=b;d.lightsHash=ea.hash;a.lights&&(c.ambientLightColor.value=ea.ambient,c.directionalLights.value=ea.directional,c.spotLights.value=
+ea.spot,c.rectAreaLights.value=ea.rectArea,c.pointLights.value=ea.point,c.hemisphereLights.value=ea.hemi,c.directionalShadowMap.value=ea.directionalShadowMap,c.directionalShadowMatrix.value=ea.directionalShadowMatrix,c.spotShadowMap.value=ea.spotShadowMap,c.spotShadowMatrix.value=ea.spotShadowMatrix,c.pointShadowMap.value=ea.pointShadowMap,c.pointShadowMatrix.value=ea.pointShadowMatrix);a=d.program.getUniforms();a=eb.seqWithValue(a.seq,c);d.uniformsList=a}function n(a,b,c,d){R=0;var e=ia.get(c);jd&&
+(Vd||a!==T)&&Oa.setState(c.clippingPlanes,c.clipIntersection,c.clipShadows,a,e,a===T&&c.id===W);!1===c.needsUpdate&&(void 0===e.program?c.needsUpdate=!0:c.fog&&e.fog!==b?c.needsUpdate=!0:c.lights&&e.lightsHash!==ea.hash?c.needsUpdate=!0:void 0===e.numClippingPlanes||e.numClippingPlanes===Oa.numPlanes&&e.numIntersection===Oa.numIntersection||(c.needsUpdate=!0));c.needsUpdate&&(u(c,b,d),c.needsUpdate=!1);var f=!1,g=!1,h=!1,k=e.program,m=k.getUniforms(),n=e.__webglShader.uniforms;k.id!==B&&(A.useProgram(k.program),
+B=k.id,h=g=f=!0);c.id!==W&&(W=c.id,g=!0);if(f||a!==T){m.setValue(A,"projectionMatrix",a.projectionMatrix);ma.logarithmicDepthBuffer&&m.setValue(A,"logDepthBufFC",2/(Math.log(a.far+1)/Math.LN2));a!==T&&(T=a,h=g=!0);if(c.isShaderMaterial||c.isMeshPhongMaterial||c.isMeshStandardMaterial||c.envMap)f=m.map.cameraPosition,void 0!==f&&f.setValue(A,Pa.setFromMatrixPosition(a.matrixWorld));(c.isMeshPhongMaterial||c.isMeshLambertMaterial||c.isMeshBasicMaterial||c.isMeshStandardMaterial||c.isShaderMaterial||
+c.skinning)&&m.setValue(A,"viewMatrix",a.matrixWorldInverse);m.setValue(A,"toneMappingExposure",x.toneMappingExposure);m.setValue(A,"toneMappingWhitePoint",x.toneMappingWhitePoint)}if(c.skinning&&(m.setOptional(A,d,"bindMatrix"),m.setOptional(A,d,"bindMatrixInverse"),a=d.skeleton))if(f=a.bones,ma.floatVertexTextures){if(void 0===a.boneTexture){var f=Math.sqrt(4*f.length),f=Y.nextPowerOfTwo(Math.ceil(f)),f=Math.max(f,4),r=new Float32Array(f*f*4);r.set(a.boneMatrices);var t=new db(r,f,f,1023,1015);
+a.boneMatrices=r;a.boneTexture=t;a.boneTextureSize=f}m.setValue(A,"boneTexture",a.boneTexture);m.setValue(A,"boneTextureSize",a.boneTextureSize)}else m.setOptional(A,a,"boneMatrices");if(g){c.lights&&(g=h,n.ambientLightColor.needsUpdate=g,n.directionalLights.needsUpdate=g,n.pointLights.needsUpdate=g,n.spotLights.needsUpdate=g,n.rectAreaLights.needsUpdate=g,n.hemisphereLights.needsUpdate=g);b&&c.fog&&(n.fogColor.value=b.color,b.isFog?(n.fogNear.value=b.near,n.fogFar.value=b.far):b.isFogExp2&&(n.fogDensity.value=
+b.density));if(c.isMeshBasicMaterial||c.isMeshLambertMaterial||c.isMeshPhongMaterial||c.isMeshStandardMaterial||c.isMeshNormalMaterial||c.isMeshDepthMaterial){n.opacity.value=c.opacity;n.diffuse.value=c.color;c.emissive&&n.emissive.value.copy(c.emissive).multiplyScalar(c.emissiveIntensity);n.map.value=c.map;n.specularMap.value=c.specularMap;n.alphaMap.value=c.alphaMap;c.lightMap&&(n.lightMap.value=c.lightMap,n.lightMapIntensity.value=c.lightMapIntensity);c.aoMap&&(n.aoMap.value=c.aoMap,n.aoMapIntensity.value=
+c.aoMapIntensity);var p;c.map?p=c.map:c.specularMap?p=c.specularMap:c.displacementMap?p=c.displacementMap:c.normalMap?p=c.normalMap:c.bumpMap?p=c.bumpMap:c.roughnessMap?p=c.roughnessMap:c.metalnessMap?p=c.metalnessMap:c.alphaMap?p=c.alphaMap:c.emissiveMap&&(p=c.emissiveMap);void 0!==p&&(p.isWebGLRenderTarget&&(p=p.texture),b=p.offset,p=p.repeat,n.offsetRepeat.value.set(b.x,b.y,p.x,p.y));n.envMap.value=c.envMap;n.flipEnvMap.value=c.envMap&&c.envMap.isCubeTexture?-1:1;n.reflectivity.value=c.reflectivity;
+n.refractionRatio.value=c.refractionRatio}c.isLineBasicMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity):c.isLineDashedMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity,n.dashSize.value=c.dashSize,n.totalSize.value=c.dashSize+c.gapSize,n.scale.value=c.scale):c.isPointsMaterial?(n.diffuse.value=c.color,n.opacity.value=c.opacity,n.size.value=c.size*V,n.scale.value=.5*ca,n.map.value=c.map,null!==c.map&&(p=c.map.offset,c=c.map.repeat,n.offsetRepeat.value.set(p.x,p.y,c.x,c.y))):c.isMeshLambertMaterial?
+c.emissiveMap&&(n.emissiveMap.value=c.emissiveMap):c.isMeshToonMaterial?(q(n,c),c.gradientMap&&(n.gradientMap.value=c.gradientMap)):c.isMeshPhongMaterial?q(n,c):c.isMeshPhysicalMaterial?(n.clearCoat.value=c.clearCoat,n.clearCoatRoughness.value=c.clearCoatRoughness,l(n,c)):c.isMeshStandardMaterial?l(n,c):c.isMeshDepthMaterial?c.displacementMap&&(n.displacementMap.value=c.displacementMap,n.displacementScale.value=c.displacementScale,n.displacementBias.value=c.displacementBias):c.isMeshNormalMaterial&&
+(c.bumpMap&&(n.bumpMap.value=c.bumpMap,n.bumpScale.value=c.bumpScale),c.normalMap&&(n.normalMap.value=c.normalMap,n.normalScale.value.copy(c.normalScale)),c.displacementMap&&(n.displacementMap.value=c.displacementMap,n.displacementScale.value=c.displacementScale,n.displacementBias.value=c.displacementBias));void 0!==n.ltcMat&&(n.ltcMat.value=Z.LTC_MAT_TEXTURE);void 0!==n.ltcMag&&(n.ltcMag.value=Z.LTC_MAG_TEXTURE);eb.upload(A,e.uniformsList,n,x)}m.setValue(A,"modelViewMatrix",d.modelViewMatrix);m.setValue(A,
+"normalMatrix",d.normalMatrix);m.setValue(A,"modelMatrix",d.matrixWorld);return k}function q(a,b){a.specular.value=b.specular;a.shininess.value=Math.max(b.shininess,1E-4);b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap);b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale);b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale));b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,a.displacementBias.value=
+b.displacementBias)}function l(a,b){a.roughness.value=b.roughness;a.metalness.value=b.metalness;b.roughnessMap&&(a.roughnessMap.value=b.roughnessMap);b.metalnessMap&&(a.metalnessMap.value=b.metalnessMap);b.emissiveMap&&(a.emissiveMap.value=b.emissiveMap);b.bumpMap&&(a.bumpMap.value=b.bumpMap,a.bumpScale.value=b.bumpScale);b.normalMap&&(a.normalMap.value=b.normalMap,a.normalScale.value.copy(b.normalScale));b.displacementMap&&(a.displacementMap.value=b.displacementMap,a.displacementScale.value=b.displacementScale,
+a.displacementBias.value=b.displacementBias);b.envMap&&(a.envMapIntensity.value=b.envMapIntensity)}function t(a,b){var c,d,e,f,g=0,h=0,k=0,m,n,r,u=b.matrixWorldInverse,q=0,l=0,t=0,p=0,F=0;c=0;for(d=a.length;c<d;c++)if(e=a[c],f=e.color,m=e.intensity,n=e.distance,r=e.shadow&&e.shadow.map?e.shadow.map.texture:null,e.isAmbientLight)g+=f.r*m,h+=f.g*m,k+=f.b*m;else if(e.isDirectionalLight){var v=Aa.get(e);v.color.copy(e.color).multiplyScalar(e.intensity);v.direction.setFromMatrixPosition(e.matrixWorld);
+Pa.setFromMatrixPosition(e.target.matrixWorld);v.direction.sub(Pa);v.direction.transformDirection(u);if(v.shadow=e.castShadow)f=e.shadow,v.shadowBias=f.bias,v.shadowRadius=f.radius,v.shadowMapSize=f.mapSize;ea.directionalShadowMap[q]=r;ea.directionalShadowMatrix[q]=e.shadow.matrix;ea.directional[q]=v;q++}else if(e.isSpotLight){v=Aa.get(e);v.position.setFromMatrixPosition(e.matrixWorld);v.position.applyMatrix4(u);v.color.copy(f).multiplyScalar(m);v.distance=n;v.direction.setFromMatrixPosition(e.matrixWorld);
+Pa.setFromMatrixPosition(e.target.matrixWorld);v.direction.sub(Pa);v.direction.transformDirection(u);v.coneCos=Math.cos(e.angle);v.penumbraCos=Math.cos(e.angle*(1-e.penumbra));v.decay=0===e.distance?0:e.decay;if(v.shadow=e.castShadow)f=e.shadow,v.shadowBias=f.bias,v.shadowRadius=f.radius,v.shadowMapSize=f.mapSize;ea.spotShadowMap[t]=r;ea.spotShadowMatrix[t]=e.shadow.matrix;ea.spot[t]=v;t++}else if(e.isRectAreaLight)v=Aa.get(e),v.color.copy(f).multiplyScalar(m/(e.width*e.height)),v.position.setFromMatrixPosition(e.matrixWorld),
+v.position.applyMatrix4(u),qa.identity(),pa.copy(e.matrixWorld),pa.premultiply(u),qa.extractRotation(pa),v.halfWidth.set(.5*e.width,0,0),v.halfHeight.set(0,.5*e.height,0),v.halfWidth.applyMatrix4(qa),v.halfHeight.applyMatrix4(qa),ea.rectArea[p]=v,p++;else if(e.isPointLight){v=Aa.get(e);v.position.setFromMatrixPosition(e.matrixWorld);v.position.applyMatrix4(u);v.color.copy(e.color).multiplyScalar(e.intensity);v.distance=e.distance;v.decay=0===e.distance?0:e.decay;if(v.shadow=e.castShadow)f=e.shadow,
+v.shadowBias=f.bias,v.shadowRadius=f.radius,v.shadowMapSize=f.mapSize;ea.pointShadowMap[l]=r;ea.pointShadowMatrix[l]=e.shadow.matrix;ea.point[l]=v;l++}else e.isHemisphereLight&&(v=Aa.get(e),v.direction.setFromMatrixPosition(e.matrixWorld),v.direction.transformDirection(u),v.direction.normalize(),v.skyColor.copy(e.color).multiplyScalar(m),v.groundColor.copy(e.groundColor).multiplyScalar(m),ea.hemi[F]=v,F++);ea.ambient[0]=g;ea.ambient[1]=h;ea.ambient[2]=k;ea.directional.length=q;ea.spot.length=t;ea.rectArea.length=
+p;ea.point.length=l;ea.hemi.length=F;ea.hash=q+","+l+","+t+","+p+","+F+","+ea.shadows.length}function y(a){var b;if(1E3===a)return A.REPEAT;if(1001===a)return A.CLAMP_TO_EDGE;if(1002===a)return A.MIRRORED_REPEAT;if(1003===a)return A.NEAREST;if(1004===a)return A.NEAREST_MIPMAP_NEAREST;if(1005===a)return A.NEAREST_MIPMAP_LINEAR;if(1006===a)return A.LINEAR;if(1007===a)return A.LINEAR_MIPMAP_NEAREST;if(1008===a)return A.LINEAR_MIPMAP_LINEAR;if(1009===a)return A.UNSIGNED_BYTE;if(1017===a)return A.UNSIGNED_SHORT_4_4_4_4;
 if(1018===a)return A.UNSIGNED_SHORT_5_5_5_1;if(1019===a)return A.UNSIGNED_SHORT_5_6_5;if(1010===a)return A.BYTE;if(1011===a)return A.SHORT;if(1012===a)return A.UNSIGNED_SHORT;if(1013===a)return A.INT;if(1014===a)return A.UNSIGNED_INT;if(1015===a)return A.FLOAT;if(1016===a&&(b=oa.get("OES_texture_half_float"),null!==b))return b.HALF_FLOAT_OES;if(1021===a)return A.ALPHA;if(1022===a)return A.RGB;if(1023===a)return A.RGBA;if(1024===a)return A.LUMINANCE;if(1025===a)return A.LUMINANCE_ALPHA;if(1026===a)return A.DEPTH_COMPONENT;
 if(1027===a)return A.DEPTH_STENCIL;if(100===a)return A.FUNC_ADD;if(101===a)return A.FUNC_SUBTRACT;if(102===a)return A.FUNC_REVERSE_SUBTRACT;if(200===a)return A.ZERO;if(201===a)return A.ONE;if(202===a)return A.SRC_COLOR;if(203===a)return A.ONE_MINUS_SRC_COLOR;if(204===a)return A.SRC_ALPHA;if(205===a)return A.ONE_MINUS_SRC_ALPHA;if(206===a)return A.DST_ALPHA;if(207===a)return A.ONE_MINUS_DST_ALPHA;if(208===a)return A.DST_COLOR;if(209===a)return A.ONE_MINUS_DST_COLOR;if(210===a)return A.SRC_ALPHA_SATURATE;
 if(2001===a||2002===a||2003===a||2004===a)if(b=oa.get("WEBGL_compressed_texture_s3tc"),null!==b){if(2001===a)return b.COMPRESSED_RGB_S3TC_DXT1_EXT;if(2002===a)return b.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(2003===a)return b.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(2004===a)return b.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(2100===a||2101===a||2102===a||2103===a)if(b=oa.get("WEBGL_compressed_texture_pvrtc"),null!==b){if(2100===a)return b.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(2101===a)return b.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
@@ -426,44 +426,44 @@ return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b
 return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y},getCenter:function(a){a=a||new D;return this.isEmpty()?a.set(0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){a=a||new D;return this.isEmpty()?a.set(0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);
 return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y},getParameter:function(a,b){return(b||new D).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y?!1:!0},clampPoint:function(a,
 b){return(b||new D).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new D;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});var Kf=0;Object.assign(R.prototype,ra.prototype,
-{isMaterial:!0,setValues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else{var d=this[b];void 0===d?console.warn("THREE."+this.type+": '"+b+"' is not a property of this material."):d&&d.isColor?d.set(c):d&&d.isVector3&&c&&c.isVector3?d.copy(c):this[b]="overdraw"===b?Number(c):c}}},toJSON:function(a){function b(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var c=void 0===a;c&&(a={textures:{},
-images:{}});var d={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};d.uuid=this.uuid;d.type=this.type;""!==this.name&&(d.name=this.name);this.color&&this.color.isColor&&(d.color=this.color.getHex());void 0!==this.roughness&&(d.roughness=this.roughness);void 0!==this.metalness&&(d.metalness=this.metalness);this.emissive&&this.emissive.isColor&&(d.emissive=this.emissive.getHex());this.specular&&this.specular.isColor&&(d.specular=this.specular.getHex());void 0!==this.shininess&&(d.shininess=
-this.shininess);void 0!==this.clearCoat&&(d.clearCoat=this.clearCoat);void 0!==this.clearCoatRoughness&&(d.clearCoatRoughness=this.clearCoatRoughness);this.map&&this.map.isTexture&&(d.map=this.map.toJSON(a).uuid);this.alphaMap&&this.alphaMap.isTexture&&(d.alphaMap=this.alphaMap.toJSON(a).uuid);this.lightMap&&this.lightMap.isTexture&&(d.lightMap=this.lightMap.toJSON(a).uuid);this.bumpMap&&this.bumpMap.isTexture&&(d.bumpMap=this.bumpMap.toJSON(a).uuid,d.bumpScale=this.bumpScale);this.normalMap&&this.normalMap.isTexture&&
-(d.normalMap=this.normalMap.toJSON(a).uuid,d.normalScale=this.normalScale.toArray());this.displacementMap&&this.displacementMap.isTexture&&(d.displacementMap=this.displacementMap.toJSON(a).uuid,d.displacementScale=this.displacementScale,d.displacementBias=this.displacementBias);this.roughnessMap&&this.roughnessMap.isTexture&&(d.roughnessMap=this.roughnessMap.toJSON(a).uuid);this.metalnessMap&&this.metalnessMap.isTexture&&(d.metalnessMap=this.metalnessMap.toJSON(a).uuid);this.emissiveMap&&this.emissiveMap.isTexture&&
-(d.emissiveMap=this.emissiveMap.toJSON(a).uuid);this.specularMap&&this.specularMap.isTexture&&(d.specularMap=this.specularMap.toJSON(a).uuid);this.envMap&&this.envMap.isTexture&&(d.envMap=this.envMap.toJSON(a).uuid,d.reflectivity=this.reflectivity);this.gradientMap&&this.gradientMap.isTexture&&(d.gradientMap=this.gradientMap.toJSON(a).uuid);void 0!==this.size&&(d.size=this.size);void 0!==this.sizeAttenuation&&(d.sizeAttenuation=this.sizeAttenuation);1!==this.blending&&(d.blending=this.blending);2!==
-this.shading&&(d.shading=this.shading);0!==this.side&&(d.side=this.side);0!==this.vertexColors&&(d.vertexColors=this.vertexColors);1>this.opacity&&(d.opacity=this.opacity);!0===this.transparent&&(d.transparent=this.transparent);d.depthFunc=this.depthFunc;d.depthTest=this.depthTest;d.depthWrite=this.depthWrite;0<this.alphaTest&&(d.alphaTest=this.alphaTest);!0===this.premultipliedAlpha&&(d.premultipliedAlpha=this.premultipliedAlpha);!0===this.wireframe&&(d.wireframe=this.wireframe);1<this.wireframeLinewidth&&
-(d.wireframeLinewidth=this.wireframeLinewidth);"round"!==this.wireframeLinecap&&(d.wireframeLinecap=this.wireframeLinecap);"round"!==this.wireframeLinejoin&&(d.wireframeLinejoin=this.wireframeLinejoin);d.skinning=this.skinning;d.morphTargets=this.morphTargets;d.dithering=this.dithering;c&&(c=b(a.textures),a=b(a.images),0<c.length&&(d.textures=c),0<a.length&&(d.images=a));return d},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.fog=a.fog;this.lights=
-a.lights;this.blending=a.blending;this.side=a.side;this.shading=a.shading;this.vertexColors=a.vertexColors;this.opacity=a.opacity;this.transparent=a.transparent;this.blendSrc=a.blendSrc;this.blendDst=a.blendDst;this.blendEquation=a.blendEquation;this.blendSrcAlpha=a.blendSrcAlpha;this.blendDstAlpha=a.blendDstAlpha;this.blendEquationAlpha=a.blendEquationAlpha;this.depthFunc=a.depthFunc;this.depthTest=a.depthTest;this.depthWrite=a.depthWrite;this.colorWrite=a.colorWrite;this.precision=a.precision;this.polygonOffset=
-a.polygonOffset;this.polygonOffsetFactor=a.polygonOffsetFactor;this.polygonOffsetUnits=a.polygonOffsetUnits;this.dithering=a.dithering;this.alphaTest=a.alphaTest;this.premultipliedAlpha=a.premultipliedAlpha;this.overdraw=a.overdraw;this.visible=a.visible;this.clipShadows=a.clipShadows;this.clipIntersection=a.clipIntersection;a=a.clippingPlanes;var b=null;if(null!==a)for(var c=a.length,b=Array(c),d=0;d!==c;++d)b[d]=a[d].clone();this.clippingPlanes=b;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});
-Da.prototype=Object.create(R.prototype);Da.prototype.constructor=Da;Da.prototype.isShaderMaterial=!0;Da.prototype.copy=function(a){R.prototype.copy.call(this,a);this.fragmentShader=a.fragmentShader;this.vertexShader=a.vertexShader;this.uniforms=Ga.clone(a.uniforms);this.defines=a.defines;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;this.lights=a.lights;this.clipping=a.clipping;this.skinning=a.skinning;this.morphTargets=a.morphTargets;this.morphNormals=a.morphNormals;this.extensions=
-a.extensions;return this};Da.prototype.toJSON=function(a){a=R.prototype.toJSON.call(this,a);a.uniforms=this.uniforms;a.vertexShader=this.vertexShader;a.fragmentShader=this.fragmentShader;return a};Za.prototype=Object.create(R.prototype);Za.prototype.constructor=Za;Za.prototype.isMeshDepthMaterial=!0;Za.prototype.copy=function(a){R.prototype.copy.call(this,a);this.depthPacking=a.depthPacking;this.skinning=a.skinning;this.morphTargets=a.morphTargets;this.map=a.map;this.alphaMap=a.alphaMap;this.displacementMap=
-a.displacementMap;this.displacementScale=a.displacementScale;this.displacementBias=a.displacementBias;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;return this};Object.assign(Sa.prototype,{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],r=a[h+1],l=a[h+2];m<b&&(b=m);r<c&&(c=r);l<d&&(d=l);m>e&&(e=m);r>f&&(f=r);
-l>g&&(g=l)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<k;h++){var m=a.getX(h),r=a.getY(h),l=a.getZ(h);m<b&&(b=m);r<c&&(c=r);l<d&&(d=l);m>e&&(e=m);r>f&&(f=r);l>g&&(g=l)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=
-new p;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<
-this.min.y||this.max.z<this.min.z},getCenter:function(a){a=a||new p;return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){a=a||new p;return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},expandByObject:function(){var a=
-new p;return function(b){var c=this;b.updateMatrixWorld(!0);b.traverse(function(b){var e,f;e=b.geometry;if(void 0!==e)if(e.isGeometry){var g=e.vertices;e=0;for(f=g.length;e<f;e++)a.copy(g[e]),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a)}else if(e.isBufferGeometry&&(g=e.attributes.position,void 0!==g))for(e=0,f=g.count;e<f;e++)a.fromBufferAttribute(g,e).applyMatrix4(b.matrixWorld),c.expandByPoint(a)});return this}}(),containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||
-a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a,b){return(b||new p).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<
-this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a=new p;return function(b){this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;0<a.normal.x?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x);0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*
-this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new p).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new p;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new p;return function(b){b=b||new Fa;this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);
-this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new p,new p,new p,new p,new p,new p,new p,new p];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,
-this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});Object.assign(Fa.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=
-new Sa;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=0,f=0,g=b.length;f<g;f++)e=Math.max(e,d.distanceToSquared(b[f]));this.radius=Math.sqrt(e);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-
-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(this.center.dot(a.normal)-a.constant)<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a),d=b||new p;d.copy(a);c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyScalar(this.radius).add(this.center));return d},getBoundingBox:function(a){a=
-a||new Sa;a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(Ja.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=f;m[8]=k;return this},identity:function(){this.set(1,
-0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),
-a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[3],h=c[6],k=c[1],m=c[4],r=c[7],l=c[2],n=c[5],c=c[8],q=d[0],p=d[3],t=d[6],y=d[1],w=d[4],z=d[7],K=d[2],v=d[5],d=d[8];e[0]=f*q+g*y+h*K;e[3]=f*p+g*w+h*v;e[6]=f*t+g*z+h*d;e[1]=k*q+m*y+r*K;e[4]=k*p+m*w+r*v;e[7]=k*t+m*z+r*d;e[2]=l*q+n*y+c*K;
-e[5]=l*p+n*w+c*v;e[8]=l*t+n*z+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7],a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3.getInverse no longer takes a Matrix4 argument.");var c=a.elements,d=this.elements,e=c[0],f=c[1],g=c[2],
-h=c[3],k=c[4],m=c[5],r=c[6],l=c[7],c=c[8],n=c*k-m*l,q=m*r-c*h,p=l*h-k*r,t=e*n+f*q+g*p;if(0===t){if(!0===b)throw Error("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");console.warn("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");return this.identity()}t=1/t;d[0]=n*t;d[1]=(g*l-c*f)*t;d[2]=(m*f-g*k)*t;d[3]=q*t;d[4]=(c*e-g*r)*t;d[5]=(g*h-m*e)*t;d[6]=p*t;d[7]=(f*r-l*e)*t;d[8]=(k*e-f*h)*t;return this},transpose:function(){var a,b=this.elements;a=b[1];b[1]=b[3];b[3]=
-a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;9>c;c++)this.elements[c]=a[c+b];return this},
-toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}});Object.assign(va.prototype,{set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a);this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=
-new p,b=new p;return function(c,d,e){d=a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+
-this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,b){return this.orthoPoint(a,b).sub(a).negate()},orthoPoint:function(a,b){var c=this.distanceToPoint(a);return(b||new p).copy(this.normal).multiplyScalar(c)},intersectLine:function(){var a=new p;return function(b,c){var d=c||new p,e=b.delta(a),f=this.normal.dot(e);if(0===f){if(0===this.distanceToPoint(b.start))return d.copy(b.start)}else return f=-(b.start.dot(this.normal)+this.constant)/
-f,0>f||1<f?void 0:d.copy(e).multiplyScalar(f).add(b.start)}}(),intersectsLine:function(a){var b=this.distanceToPoint(a.start);a=this.distanceToPoint(a.end);return 0>b&&0<a||0>a&&0<b},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){return(a||new p).copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var a=new p,b=new Ja;return function(c,d){var e=this.coplanarPoint(a).applyMatrix4(c),
-f=d||b.getNormalMatrix(c),f=this.normal.applyMatrix3(f).normalize();this.constant=-e.dot(f);return this}}(),translate:function(a){this.constant-=a.dot(this.normal);return this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}});Object.assign(hd.prototype,{set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);g[5].copy(f);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){for(var b=
-this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],m=c[7],r=c[8],l=c[9],n=c[10],q=c[11],p=c[12],t=c[13],y=c[14],c=c[15];b[0].setComponents(f-a,m-g,q-r,c-p).normalize();b[1].setComponents(f+a,m+g,q+r,c+p).normalize();b[2].setComponents(f+d,m+h,q+l,c+t).normalize();b[3].setComponents(f-d,m-h,q-l,c-t).normalize();b[4].setComponents(f-e,m-k,q-n,c-y).normalize();b[5].setComponents(f+e,
-m+k,q+n,c+y).normalize();return this},intersectsObject:function(){var a=new Fa;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new Fa;return function(b){a.center.set(0,0,0);a.radius=.7071067811865476;a.applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSphere:function(a){var b=this.planes,c=a.center;a=-a.radius;for(var d=
-0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},intersectsBox:function(){var a=new p,b=new p;return function(c){for(var d=this.planes,e=0;6>e;e++){var f=d[e];a.x=0<f.normal.x?c.min.x:c.max.x;b.x=0<f.normal.x?c.max.x:c.min.x;a.y=0<f.normal.y?c.min.y:c.max.y;b.y=0<f.normal.y?c.max.y:c.min.y;a.z=0<f.normal.z?c.min.z:c.max.z;b.z=0<f.normal.z?c.max.z:c.min.z;var g=f.distanceToPoint(a),f=f.distanceToPoint(b);if(0>g&&0>f)return!1}return!0}}(),containsPoint:function(a){for(var b=this.planes,c=0;6>
-c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0}});Object.assign(gb.prototype,{set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){return(b||new p).copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize();return this},recast:function(){var a=
+{isMaterial:!0,onBeforeCompile:function(){},setValues:function(a){if(void 0!==a)for(var b in a){var c=a[b];if(void 0===c)console.warn("THREE.Material: '"+b+"' parameter is undefined.");else{var d=this[b];void 0===d?console.warn("THREE."+this.type+": '"+b+"' is not a property of this material."):d&&d.isColor?d.set(c):d&&d.isVector3&&c&&c.isVector3?d.copy(c):this[b]="overdraw"===b?Number(c):c}}},toJSON:function(a){function b(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}
+var c=void 0===a;c&&(a={textures:{},images:{}});var d={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};d.uuid=this.uuid;d.type=this.type;""!==this.name&&(d.name=this.name);this.color&&this.color.isColor&&(d.color=this.color.getHex());void 0!==this.roughness&&(d.roughness=this.roughness);void 0!==this.metalness&&(d.metalness=this.metalness);this.emissive&&this.emissive.isColor&&(d.emissive=this.emissive.getHex());this.specular&&this.specular.isColor&&(d.specular=this.specular.getHex());
+void 0!==this.shininess&&(d.shininess=this.shininess);void 0!==this.clearCoat&&(d.clearCoat=this.clearCoat);void 0!==this.clearCoatRoughness&&(d.clearCoatRoughness=this.clearCoatRoughness);this.map&&this.map.isTexture&&(d.map=this.map.toJSON(a).uuid);this.alphaMap&&this.alphaMap.isTexture&&(d.alphaMap=this.alphaMap.toJSON(a).uuid);this.lightMap&&this.lightMap.isTexture&&(d.lightMap=this.lightMap.toJSON(a).uuid);this.bumpMap&&this.bumpMap.isTexture&&(d.bumpMap=this.bumpMap.toJSON(a).uuid,d.bumpScale=
+this.bumpScale);this.normalMap&&this.normalMap.isTexture&&(d.normalMap=this.normalMap.toJSON(a).uuid,d.normalScale=this.normalScale.toArray());this.displacementMap&&this.displacementMap.isTexture&&(d.displacementMap=this.displacementMap.toJSON(a).uuid,d.displacementScale=this.displacementScale,d.displacementBias=this.displacementBias);this.roughnessMap&&this.roughnessMap.isTexture&&(d.roughnessMap=this.roughnessMap.toJSON(a).uuid);this.metalnessMap&&this.metalnessMap.isTexture&&(d.metalnessMap=this.metalnessMap.toJSON(a).uuid);
+this.emissiveMap&&this.emissiveMap.isTexture&&(d.emissiveMap=this.emissiveMap.toJSON(a).uuid);this.specularMap&&this.specularMap.isTexture&&(d.specularMap=this.specularMap.toJSON(a).uuid);this.envMap&&this.envMap.isTexture&&(d.envMap=this.envMap.toJSON(a).uuid,d.reflectivity=this.reflectivity);this.gradientMap&&this.gradientMap.isTexture&&(d.gradientMap=this.gradientMap.toJSON(a).uuid);void 0!==this.size&&(d.size=this.size);void 0!==this.sizeAttenuation&&(d.sizeAttenuation=this.sizeAttenuation);1!==
+this.blending&&(d.blending=this.blending);2!==this.shading&&(d.shading=this.shading);0!==this.side&&(d.side=this.side);0!==this.vertexColors&&(d.vertexColors=this.vertexColors);1>this.opacity&&(d.opacity=this.opacity);!0===this.transparent&&(d.transparent=this.transparent);d.depthFunc=this.depthFunc;d.depthTest=this.depthTest;d.depthWrite=this.depthWrite;0<this.alphaTest&&(d.alphaTest=this.alphaTest);!0===this.premultipliedAlpha&&(d.premultipliedAlpha=this.premultipliedAlpha);!0===this.wireframe&&
+(d.wireframe=this.wireframe);1<this.wireframeLinewidth&&(d.wireframeLinewidth=this.wireframeLinewidth);"round"!==this.wireframeLinecap&&(d.wireframeLinecap=this.wireframeLinecap);"round"!==this.wireframeLinejoin&&(d.wireframeLinejoin=this.wireframeLinejoin);d.skinning=this.skinning;d.morphTargets=this.morphTargets;d.dithering=this.dithering;c&&(c=b(a.textures),a=b(a.images),0<c.length&&(d.textures=c),0<a.length&&(d.images=a));return d},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=
+a.name;this.fog=a.fog;this.lights=a.lights;this.blending=a.blending;this.side=a.side;this.shading=a.shading;this.vertexColors=a.vertexColors;this.opacity=a.opacity;this.transparent=a.transparent;this.blendSrc=a.blendSrc;this.blendDst=a.blendDst;this.blendEquation=a.blendEquation;this.blendSrcAlpha=a.blendSrcAlpha;this.blendDstAlpha=a.blendDstAlpha;this.blendEquationAlpha=a.blendEquationAlpha;this.depthFunc=a.depthFunc;this.depthTest=a.depthTest;this.depthWrite=a.depthWrite;this.colorWrite=a.colorWrite;
+this.precision=a.precision;this.polygonOffset=a.polygonOffset;this.polygonOffsetFactor=a.polygonOffsetFactor;this.polygonOffsetUnits=a.polygonOffsetUnits;this.dithering=a.dithering;this.alphaTest=a.alphaTest;this.premultipliedAlpha=a.premultipliedAlpha;this.overdraw=a.overdraw;this.visible=a.visible;this.clipShadows=a.clipShadows;this.clipIntersection=a.clipIntersection;a=a.clippingPlanes;var b=null;if(null!==a)for(var c=a.length,b=Array(c),d=0;d!==c;++d)b[d]=a[d].clone();this.clippingPlanes=b;return this},
+dispose:function(){this.dispatchEvent({type:"dispose"})}});Da.prototype=Object.create(R.prototype);Da.prototype.constructor=Da;Da.prototype.isShaderMaterial=!0;Da.prototype.copy=function(a){R.prototype.copy.call(this,a);this.fragmentShader=a.fragmentShader;this.vertexShader=a.vertexShader;this.uniforms=Ga.clone(a.uniforms);this.defines=a.defines;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;this.lights=a.lights;this.clipping=a.clipping;this.skinning=a.skinning;this.morphTargets=
+a.morphTargets;this.morphNormals=a.morphNormals;this.extensions=a.extensions;return this};Da.prototype.toJSON=function(a){a=R.prototype.toJSON.call(this,a);a.uniforms=this.uniforms;a.vertexShader=this.vertexShader;a.fragmentShader=this.fragmentShader;return a};Za.prototype=Object.create(R.prototype);Za.prototype.constructor=Za;Za.prototype.isMeshDepthMaterial=!0;Za.prototype.copy=function(a){R.prototype.copy.call(this,a);this.depthPacking=a.depthPacking;this.skinning=a.skinning;this.morphTargets=
+a.morphTargets;this.map=a.map;this.alphaMap=a.alphaMap;this.displacementMap=a.displacementMap;this.displacementScale=a.displacementScale;this.displacementBias=a.displacementBias;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;return this};Object.assign(Sa.prototype,{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],
+r=a[h+1],l=a[h+2];m<b&&(b=m);r<c&&(c=r);l<d&&(d=l);m>e&&(e=m);r>f&&(f=r);l>g&&(g=l)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<k;h++){var m=a.getX(h),r=a.getY(h),l=a.getZ(h);m<b&&(b=m);r<c&&(c=r);l<d&&(d=l);m>e&&(e=m);r>f&&(f=r);l>g&&(g=l)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);
+return this},setFromCenterAndSize:function(){var a=new p;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<
+this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getCenter:function(a){a=a||new p;return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){a=a||new p;return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},
+expandByObject:function(){var a=new p;return function(b){var c=this;b.updateMatrixWorld(!0);b.traverse(function(b){var e,f;e=b.geometry;if(void 0!==e)if(e.isGeometry){var g=e.vertices;e=0;for(f=g.length;e<f;e++)a.copy(g[e]),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a)}else if(e.isBufferGeometry&&(g=e.attributes.position,void 0!==g))for(e=0,f=g.count;e<f;e++)a.fromBufferAttribute(g,e).applyMatrix4(b.matrixWorld),c.expandByPoint(a)});return this}}(),containsPoint:function(a){return a.x<this.min.x||
+a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a,b){return(b||new p).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||
+a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a=new p;return function(b){this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;0<a.normal.x?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x);0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*
+this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new p).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new p;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new p;return function(b){b=b||new Fa;this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);
+this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new p,new p,new p,new p,new p,new p,new p,new p];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);
+a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});Object.assign(Fa.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},
+setFromPoints:function(){var a=new Sa;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=0,f=0,g=b.length;f<g;f++)e=Math.max(e,d.distanceToSquared(b[f]));this.radius=Math.sqrt(e);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*
+this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(this.center.dot(a.normal)-a.constant)<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a),d=b||new p;d.copy(a);c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyScalar(this.radius).add(this.center));
+return d},getBoundingBox:function(a){a=a||new Sa;a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(Ja.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=
+f;m[8]=k;return this},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=new p;return function(b){for(var c=0,d=b.count;c<
+d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements,e=this.elements,f=c[0],g=c[3],h=c[6],k=c[1],m=c[4],r=c[7],l=c[2],n=c[5],c=c[8],q=d[0],p=d[3],t=d[6],y=d[1],w=d[4],z=d[7],K=d[2],v=d[5],d=d[8];e[0]=f*q+g*y+h*K;e[3]=f*p+g*w+h*v;e[6]=f*t+g*z+h*d;e[1]=k*q+m*y+r*K;e[4]=
+k*p+m*w+r*v;e[7]=k*t+m*z+r*d;e[2]=l*q+n*y+c*K;e[5]=l*p+n*w+c*v;e[8]=l*t+n*z+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7],a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3.getInverse no longer takes a Matrix4 argument.");var c=a.elements,
+d=this.elements,e=c[0],f=c[1],g=c[2],h=c[3],k=c[4],m=c[5],r=c[6],l=c[7],c=c[8],n=c*k-m*l,q=m*r-c*h,p=l*h-k*r,t=e*n+f*q+g*p;if(0===t){if(!0===b)throw Error("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");console.warn("THREE.Matrix3.getInverse(): can't invert matrix, determinant is 0");return this.identity()}t=1/t;d[0]=n*t;d[1]=(g*l-c*f)*t;d[2]=(m*f-g*k)*t;d[3]=q*t;d[4]=(c*e-g*r)*t;d[5]=(g*h-m*e)*t;d[6]=p*t;d[7]=(f*r-l*e)*t;d[8]=(k*e-f*h)*t;return this},transpose:function(){var a,
+b=this.elements;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=
+0;9>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}});Object.assign(va.prototype,{set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a);this.constant=
+-b.dot(this.normal);return this},setFromCoplanarPoints:function(){var a=new p,b=new p;return function(c,d,e){d=a.subVectors(e,d).cross(b.subVectors(c,d)).normalize();this.setFromNormalAndCoplanarPoint(d,c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.normal.copy(a.normal);this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=
+-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,b){return this.orthoPoint(a,b).sub(a).negate()},orthoPoint:function(a,b){var c=this.distanceToPoint(a);return(b||new p).copy(this.normal).multiplyScalar(c)},intersectLine:function(){var a=new p;return function(b,c){var d=c||new p,e=b.delta(a),f=this.normal.dot(e);if(0===f){if(0===this.distanceToPoint(b.start))return d.copy(b.start)}else return f=
+-(b.start.dot(this.normal)+this.constant)/f,0>f||1<f?void 0:d.copy(e).multiplyScalar(f).add(b.start)}}(),intersectsLine:function(a){var b=this.distanceToPoint(a.start);a=this.distanceToPoint(a.end);return 0>b&&0<a||0>a&&0<b},intersectsBox:function(a){return a.intersectsPlane(this)},intersectsSphere:function(a){return a.intersectsPlane(this)},coplanarPoint:function(a){return(a||new p).copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(){var a=new p,b=new Ja;return function(c,d){var e=
+this.coplanarPoint(a).applyMatrix4(c),f=d||b.getNormalMatrix(c),f=this.normal.applyMatrix3(f).normalize();this.constant=-e.dot(f);return this}}(),translate:function(a){this.constant-=a.dot(this.normal);return this},equals:function(a){return a.normal.equals(this.normal)&&a.constant===this.constant}});Object.assign(hd.prototype,{set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);g[5].copy(f);return this},clone:function(){return(new this.constructor).copy(this)},
+copy:function(a){for(var b=this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements;a=c[0];var d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],k=c[6],m=c[7],r=c[8],l=c[9],n=c[10],q=c[11],p=c[12],t=c[13],y=c[14],c=c[15];b[0].setComponents(f-a,m-g,q-r,c-p).normalize();b[1].setComponents(f+a,m+g,q+r,c+p).normalize();b[2].setComponents(f+d,m+h,q+l,c+t).normalize();b[3].setComponents(f-d,m-h,q-l,c-t).normalize();b[4].setComponents(f-e,m-k,q-n,c-y).normalize();
+b[5].setComponents(f+e,m+k,q+n,c+y).normalize();return this},intersectsObject:function(){var a=new Fa;return function(b){var c=b.geometry;null===c.boundingSphere&&c.computeBoundingSphere();a.copy(c.boundingSphere).applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSprite:function(){var a=new Fa;return function(b){a.center.set(0,0,0);a.radius=.7071067811865476;a.applyMatrix4(b.matrixWorld);return this.intersectsSphere(a)}}(),intersectsSphere:function(a){var b=this.planes,c=a.center;
+a=-a.radius;for(var d=0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},intersectsBox:function(){var a=new p,b=new p;return function(c){for(var d=this.planes,e=0;6>e;e++){var f=d[e];a.x=0<f.normal.x?c.min.x:c.max.x;b.x=0<f.normal.x?c.max.x:c.min.x;a.y=0<f.normal.y?c.min.y:c.max.y;b.y=0<f.normal.y?c.max.y:c.min.y;a.z=0<f.normal.z?c.min.z:c.max.z;b.z=0<f.normal.z?c.max.z:c.min.z;var g=f.distanceToPoint(a),f=f.distanceToPoint(b);if(0>g&&0>f)return!1}return!0}}(),containsPoint:function(a){for(var b=
+this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0}});Object.assign(gb.prototype,{set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){return(b||new p).copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize();return this},recast:function(){var a=
 new p;return function(b){this.origin.copy(this.at(b,a));return this}}(),closestPointToPoint:function(a,b){var c=b||new p;c.subVectors(a,this.origin);var d=c.dot(this.direction);return 0>d?c.copy(this.origin):c.copy(this.direction).multiplyScalar(d).add(this.origin)},distanceToPoint:function(a){return Math.sqrt(this.distanceSqToPoint(a))},distanceSqToPoint:function(){var a=new p;return function(b){var c=a.subVectors(b,this.origin).dot(this.direction);if(0>c)return this.origin.distanceToSquared(b);
 a.copy(this.direction).multiplyScalar(c).add(this.origin);return a.distanceToSquared(b)}}(),distanceSqToSegment:function(){var a=new p,b=new p,c=new p;return function(d,e,f,g){a.copy(d).add(e).multiplyScalar(.5);b.copy(e).sub(d).normalize();c.copy(this.origin).sub(a);var h=.5*d.distanceTo(e),k=-this.direction.dot(b),m=c.dot(this.direction),r=-c.dot(b),l=c.lengthSq(),n=Math.abs(1-k*k),q;0<n?(d=k*r-m,e=k*m-r,q=h*n,0<=d?e>=-q?e<=q?(h=1/n,d*=h,e*=h,k=d*(d+k*e+2*m)+e*(k*d+e+2*r)+l):(e=h,d=Math.max(0,-(k*
 e+m)),k=-d*d+e*(e+2*r)+l):(e=-h,d=Math.max(0,-(k*e+m)),k=-d*d+e*(e+2*r)+l):e<=-q?(d=Math.max(0,-(-k*h+m)),e=0<d?-h:Math.min(Math.max(-h,-r),h),k=-d*d+e*(e+2*r)+l):e<=q?(d=0,e=Math.min(Math.max(-h,-r),h),k=e*(e+2*r)+l):(d=Math.max(0,-(k*h+m)),e=0<d?h:Math.min(Math.max(-h,-r),h),k=-d*d+e*(e+2*r)+l)):(e=0<k?-h:h,d=Math.max(0,-(k*e+m)),k=-d*d+e*(e+2*r)+l);f&&f.copy(this.direction).multiplyScalar(d).add(this.origin);g&&g.copy(b).multiplyScalar(e).add(a);return k}}(),intersectSphere:function(){var a=new p;

build/three.module.js

@@ -7160,6 +7160,8 @@ Object.assign( Material.prototype, EventDispatcher.prototype, {
 
 	isMaterial: true,
 
+	onBeforeCompile: function () {},
+
 	setValues: function ( values ) {
 
 		if ( values === undefined ) return;
@@ -17741,6 +17743,8 @@ function WebGLPrograms( renderer, capabilities ) {
 
 		}
 
+		array.push( material.onBeforeCompile.toString() );
+
 		array.push( renderer.gammaOutput );
 
 		return array.join();
@@ -21429,6 +21433,8 @@ function WebGLRenderer( parameters ) {
 
 			material.__webglShader = materialProperties.__webglShader;
 
+			material.onBeforeCompile();
+
 			program = programCache.acquireProgram( material, parameters, code );
 
 			materialProperties.program = program;