From eced0ca840eb0f5cc23dc69ad785a48825396d3e Mon Sep 17 00:00:00 2001
From: alteredq <postfilter@gmail.com>
Date: Sun, 13 Feb 2011 22:51:17 +0100
Subject: [PATCH] Small performance optimizations in WebGLRenderer: skipping
 few more typed arrays setters.

This should affect only use cases with lots of animated objects (unlike current performance tests where object matrices are not updated).
---
 build/Three.js                          | 14 ++++++-------
 build/ThreeDebug.js                     | 14 ++++++-------
 build/ThreeExtras.js                    | 14 ++++++-------
 examples/materials_shaders_fresnel.html |  2 ++
 src/core/Matrix4.js                     | 26 +++++++++++++++++++++++++
 src/renderers/WebGLRenderer.js          | 14 ++++++-------
 6 files changed, 56 insertions(+), 28 deletions(-)

diff --git a/build/Three.js b/build/Three.js
index f9c4a15a..755d893b 100755
--- a/build/Three.js
+++ b/build/Three.js
@@ -32,10 +32,10 @@ e[15]=this.n44;return this},multiplySelf:function(a){var c=this.n11,e=this.n12,g
 l+s*t+m*o;this.n23=j*r+b*v+s*x+m*u;this.n24=j*A+b*B+s*N+m*a;this.n31=p*d+q*n+z*h+w*f;this.n32=p*k+q*l+z*t+w*o;this.n33=p*r+q*v+z*x+w*u;this.n34=p*A+q*B+z*N+w*a;this.n41=y*d+F*n+K*h+L*f;this.n42=y*k+F*l+K*t+L*o;this.n43=y*r+F*v+K*x+L*u;this.n44=y*A+F*B+K*N+L*a;return this},multiplyScalar:function(a){this.n11*=a;this.n12*=a;this.n13*=a;this.n14*=a;this.n21*=a;this.n22*=a;this.n23*=a;this.n24*=a;this.n31*=a;this.n32*=a;this.n33*=a;this.n34*=a;this.n41*=a;this.n42*=a;this.n43*=a;this.n44*=a;return this},
 determinant:function(){var a=this.n11,c=this.n12,e=this.n13,g=this.n14,i=this.n21,j=this.n22,b=this.n23,s=this.n24,m=this.n31,p=this.n32,q=this.n33,z=this.n34,w=this.n41,y=this.n42,F=this.n43,K=this.n44;return g*b*p*w-e*s*p*w-g*j*q*w+c*s*q*w+e*j*z*w-c*b*z*w-g*b*m*y+e*s*m*y+g*i*q*y-a*s*q*y-e*i*z*y+a*b*z*y+g*j*m*F-c*s*m*F-g*i*p*F+a*s*p*F+c*i*z*F-a*j*z*F-e*j*m*K+c*b*m*K+e*i*p*K-a*b*p*K-c*i*q*K+a*j*q*K},transpose:function(){function a(c,e,g){var i=c[e];c[e]=c[g];c[g]=i}a(this,"n21","n12");a(this,"n31",
 "n13");a(this,"n32","n23");a(this,"n41","n14");a(this,"n42","n24");a(this,"n43","n34");return this},clone:function(){var a=new THREE.Matrix4;a.n11=this.n11;a.n12=this.n12;a.n13=this.n13;a.n14=this.n14;a.n21=this.n21;a.n22=this.n22;a.n23=this.n23;a.n24=this.n24;a.n31=this.n31;a.n32=this.n32;a.n33=this.n33;a.n34=this.n34;a.n41=this.n41;a.n42=this.n42;a.n43=this.n43;a.n44=this.n44;return a},flatten:function(){var a=this.flat;a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=
-this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,e){this.set(1,0,0,a,0,1,0,c,0,0,1,e,0,0,0,1);return this},setScale:function(a,c,e){this.set(a,0,0,0,0,c,0,0,0,0,e,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,
-0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var e=Math.cos(c),g=Math.sin(c),i=1-e,j=a.x,b=a.y,s=a.z,m=i*j,p=i*b;this.set(m*j+e,m*b-g*s,m*s+g*b,0,m*b+g*s,p*b+e,p*s-g*j,0,m*s-g*b,p*s+g*j,i*s*s+e,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+
-" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setTranslation(a,c,e);return g};THREE.Matrix4.scaleMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setScale(a,c,e);return g};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};
-THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var e=new THREE.Matrix4;e.setRotAxis(a,c);return e};
+this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},flattenToArray:function(a){a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,e){this.set(1,0,0,a,0,1,0,c,0,0,1,e,0,0,0,
+1);return this},setScale:function(a,c,e){this.set(a,0,0,0,0,c,0,0,0,0,e,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var e=Math.cos(c),g=Math.sin(c),i=1-e,j=a.x,b=a.y,s=a.z,
+m=i*j,p=i*b;this.set(m*j+e,m*b-g*s,m*s+g*b,0,m*b+g*s,p*b+e,p*s-g*j,0,m*s-g*b,p*s+g*j,i*s*s+e,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setTranslation(a,c,e);return g};
+THREE.Matrix4.scaleMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setScale(a,c,e);return g};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var e=new THREE.Matrix4;e.setRotAxis(a,c);return e};
 THREE.Matrix4.makeInvert=function(a){var c=a.n11,e=a.n12,g=a.n13,i=a.n14,j=a.n21,b=a.n22,s=a.n23,m=a.n24,p=a.n31,q=a.n32,z=a.n33,w=a.n34,y=a.n41,F=a.n42,K=a.n43,L=a.n44,d=new THREE.Matrix4;d.n11=s*w*F-m*z*F+m*q*K-b*w*K-s*q*L+b*z*L;d.n12=i*z*F-g*w*F-i*q*K+e*w*K+g*q*L-e*z*L;d.n13=g*m*F-i*s*F+i*b*K-e*m*K-g*b*L+e*s*L;d.n14=i*s*q-g*m*q-i*b*z+e*m*z+g*b*w-e*s*w;d.n21=m*z*y-s*w*y-m*p*K+j*w*K+s*p*L-j*z*L;d.n22=g*w*y-i*z*y+i*p*K-c*w*K-g*p*L+c*z*L;d.n23=i*s*y-g*m*y-i*j*K+c*m*K+g*j*L-c*s*L;d.n24=g*m*p-i*s*p+
 i*j*z-c*m*z-g*j*w+c*s*w;d.n31=b*w*y-m*q*y+m*p*F-j*w*F-b*p*L+j*q*L;d.n32=i*q*y-e*w*y-i*p*F+c*w*F+e*p*L-c*q*L;d.n33=g*m*y-i*b*y+i*j*F-c*m*F-e*j*L+c*b*L;d.n34=i*b*p-e*m*p-i*j*q+c*m*q+e*j*w-c*b*w;d.n41=s*q*y-b*z*y-s*p*F+j*z*F+b*p*K-j*q*K;d.n42=e*z*y-g*q*y+g*p*F-c*z*F-e*p*K+c*q*K;d.n43=g*b*y-e*s*y-g*j*F+c*s*F+e*j*K-c*b*K;d.n44=e*s*p-g*b*p+g*j*q-c*s*q-e*j*z+c*b*z;d.multiplyScalar(1/a.determinant());return d};
 THREE.Matrix4.makeInvert3x3=function(a){var c=a.flatten();a=a.m33;var e=a.m,g=c[10]*c[5]-c[6]*c[9],i=-c[10]*c[1]+c[2]*c[9],j=c[6]*c[1]-c[2]*c[5],b=-c[10]*c[4]+c[6]*c[8],s=c[10]*c[0]-c[2]*c[8],m=-c[6]*c[0]+c[2]*c[4],p=c[9]*c[4]-c[5]*c[8],q=-c[9]*c[0]+c[1]*c[8],z=c[5]*c[0]-c[1]*c[4];c=c[0]*g+c[1]*b+c[2]*p;if(c==0)throw"matrix not invertible";c=1/c;e[0]=c*g;e[1]=c*i;e[2]=c*j;e[3]=c*b;e[4]=c*s;e[5]=c*m;e[6]=c*p;e[7]=c*q;e[8]=c*z;return a};
@@ -191,15 +191,15 @@ if(l instanceof THREE.Mesh)if(f.wireframe){b.lineWidth(f.wireframe_linewidth);b.
 b.drawArrays(b.POINTS,0,k.__webGLParticleCount)};this.renderPass=function(d,n,h,f,k,l,t){var o,r,v,x,u;v=0;for(x=f.materials.length;v<x;v++){o=f.materials[v];if(o instanceof THREE.MeshFaceMaterial){o=0;for(r=k.materials.length;o<r;o++)if((u=k.materials[o])&&u.blending==l&&u.opacity<1==t){this.setBlending(u.blending);this.setDepthTest(u.depth_test);this.renderBuffer(d,n,h,u,k,f)}}else if((u=o)&&u.blending==l&&u.opacity<1==t){this.setBlending(u.blending);this.setDepthTest(u.depth_test);this.renderBuffer(d,
 n,h,u,k,f)}}};this.renderPassImmediate=function(d,n,h,f,k,l){var t,o,r,v;t=0;for(o=f.materials.length;t<o;t++)if((r=f.materials[t])&&r.blending==k&&r.opacity<1==l){this.setBlending(r.blending);this.setDepthTest(r.depth_test);v=this.setProgram(d,n,h,r,f);f.render(function(x){var u=v;if(!x.__webGLVertexBuffer)x.__webGLVertexBuffer=b.createBuffer();if(!x.__webGLNormalBuffer)x.__webGLNormalBuffer=b.createBuffer();if(x.hasPos){b.bindBuffer(b.ARRAY_BUFFER,x.__webGLVertexBuffer);b.bufferData(b.ARRAY_BUFFER,
 x.positionArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(u.attributes.position);b.vertexAttribPointer(u.attributes.position,3,b.FLOAT,false,0,0)}if(x.hasNormal){b.bindBuffer(b.ARRAY_BUFFER,x.__webGLNormalBuffer);b.bufferData(b.ARRAY_BUFFER,x.normalArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(u.attributes.normal);b.vertexAttribPointer(u.attributes.normal,3,b.FLOAT,false,0,0)}b.drawArrays(b.TRIANGLES,0,x.count);x.count=0})}};this.render=function(d,n,h,f){var k,l,t,o,r=d.lights,v=d.fog;n.autoUpdateMatrix&&
-n.updateMatrix();w.set(n.matrix.flatten());z.set(n.projectionMatrix.flatten());q.multiply(n.projectionMatrix,n.matrix);p[0].set(q.n41-q.n11,q.n42-q.n12,q.n43-q.n13,q.n44-q.n14);p[1].set(q.n41+q.n11,q.n42+q.n12,q.n43+q.n13,q.n44+q.n14);p[2].set(q.n41+q.n21,q.n42+q.n22,q.n43+q.n23,q.n44+q.n24);p[3].set(q.n41-q.n21,q.n42-q.n22,q.n43-q.n23,q.n44-q.n24);p[4].set(q.n41-q.n31,q.n42-q.n32,q.n43-q.n33,q.n44-q.n34);p[5].set(q.n41+q.n31,q.n42+q.n32,q.n43+q.n33,q.n44+q.n34);for(k=0;k<5;k++){o=p[k];o.divideScalar(Math.sqrt(o.x*
+n.updateMatrix();n.matrix.flattenToArray(w);n.projectionMatrix.flattenToArray(z);q.multiply(n.projectionMatrix,n.matrix);p[0].set(q.n41-q.n11,q.n42-q.n12,q.n43-q.n13,q.n44-q.n14);p[1].set(q.n41+q.n11,q.n42+q.n12,q.n43+q.n13,q.n44+q.n14);p[2].set(q.n41+q.n21,q.n42+q.n22,q.n43+q.n23,q.n44+q.n24);p[3].set(q.n41-q.n21,q.n42-q.n22,q.n43-q.n23,q.n44-q.n24);p[4].set(q.n41-q.n31,q.n42-q.n32,q.n43-q.n33,q.n44-q.n34);p[5].set(q.n41+q.n31,q.n42+q.n32,q.n43+q.n33,q.n44+q.n34);for(k=0;k<5;k++){o=p[k];o.divideScalar(Math.sqrt(o.x*
 o.x+o.y*o.y+o.z*o.z))}this.initWebGLObjects(d,n);f=f!==undefined?f:true;if(h&&!h.__webGLFramebuffer){h.__webGLFramebuffer=b.createFramebuffer();h.__webGLRenderbuffer=b.createRenderbuffer();h.__webGLTexture=b.createTexture();b.bindRenderbuffer(b.RENDERBUFFER,h.__webGLRenderbuffer);b.renderbufferStorage(b.RENDERBUFFER,b.DEPTH_COMPONENT16,h.width,h.height);b.bindTexture(b.TEXTURE_2D,h.__webGLTexture);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,i(h.wrap_s));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,
 i(h.wrap_t));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,i(h.mag_filter));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,i(h.min_filter));b.texImage2D(b.TEXTURE_2D,0,i(h.format),h.width,h.height,0,i(h.format),i(h.type),null);b.bindFramebuffer(b.FRAMEBUFFER,h.__webGLFramebuffer);b.framebufferTexture2D(b.FRAMEBUFFER,b.COLOR_ATTACHMENT0,b.TEXTURE_2D,h.__webGLTexture,0);b.framebufferRenderbuffer(b.FRAMEBUFFER,b.DEPTH_ATTACHMENT,b.RENDERBUFFER,h.__webGLRenderbuffer);b.bindTexture(b.TEXTURE_2D,
 null);b.bindRenderbuffer(b.RENDERBUFFER,null);b.bindFramebuffer(b.FRAMEBUFFER,null)}if(h){k=h.__webGLFramebuffer;o=h.width;t=h.height}else{k=null;o=j.width;t=j.height}if(k!=m){b.bindFramebuffer(b.FRAMEBUFFER,k);b.viewport(0,0,o,t);f&&b.clear(b.COLOR_BUFFER_BIT|b.DEPTH_BUFFER_BIT);m=k}this.autoClear&&this.clear();k=d.__webGLObjects.length;for(f=0;f<k;f++){t=d.__webGLObjects[f];o=t.object;if(l=o.visible){if(!(l=!(o instanceof THREE.Mesh)))a:{l=void 0;for(var x=o.matrix,u=-o.geometry.boundingSphere.radius*
-Math.max(o.scale.x,Math.max(o.scale.y,o.scale.z)),A=0;A<6;A++){l=p[A].x*x.n14+p[A].y*x.n24+p[A].z*x.n34+p[A].w;if(l<=u){l=false;break a}}l=true}l=l}if(l){if(o.autoUpdateMatrix){o.updateMatrix();o._objectMatrixArray.set(o.matrix.flatten())}this.setupMatrices(o,n);t.render=true}else t.render=false}l=d.__webGLObjectsImmediate.length;for(f=0;f<l;f++){o=d.__webGLObjectsImmediate[f].object;if(o.visible){if(o.autoUpdateMatrix){o.updateMatrix();o._objectMatrixArray.set(o.matrix.flatten())}this.setupMatrices(o,
+Math.max(o.scale.x,Math.max(o.scale.y,o.scale.z)),A=0;A<6;A++){l=p[A].x*x.n14+p[A].y*x.n24+p[A].z*x.n34+p[A].w;if(l<=u){l=false;break a}}l=true}l=l}if(l){if(o.autoUpdateMatrix){o.updateMatrix();o.matrix.flattenToArray(o._objectMatrixArray)}this.setupMatrices(o,n);t.render=true}else t.render=false}l=d.__webGLObjectsImmediate.length;for(f=0;f<l;f++){o=d.__webGLObjectsImmediate[f].object;if(o.visible){if(o.autoUpdateMatrix){o.updateMatrix();o.matrix.flattenToArray(o._objectMatrixArray)}this.setupMatrices(o,
 n)}}for(f=0;f<k;f++){t=d.__webGLObjects[f];if(t.render){o=t.object;t=t.buffer;e(o);this.renderPass(n,r,v,o,t,THREE.NormalBlending,false)}}for(f=0;f<l;f++){o=d.__webGLObjectsImmediate[f].object;if(o.visible){e(o);this.renderPassImmediate(n,r,v,o,THREE.NormalBlending,false)}}for(f=0;f<k;f++){t=d.__webGLObjects[f];if(t.render){o=t.object;t=t.buffer;e(o);this.renderPass(n,r,v,o,t,THREE.AdditiveBlending,false);this.renderPass(n,r,v,o,t,THREE.SubtractiveBlending,false);this.renderPass(n,r,v,o,t,THREE.AdditiveBlending,
 true);this.renderPass(n,r,v,o,t,THREE.SubtractiveBlending,true);this.renderPass(n,r,v,o,t,THREE.NormalBlending,true);this.renderPass(n,r,v,o,t,THREE.BillboardBlending,false)}}for(f=0;f<l;f++){o=d.__webGLObjectsImmediate[f].object;if(o.visible){e(o);this.renderPassImmediate(n,r,v,o,THREE.NormalBlending,true)}}if(h&&h.min_filter!==THREE.NearestFilter&&h.min_filter!==THREE.LinearFilter){b.bindTexture(b.TEXTURE_2D,h.__webGLTexture);b.generateMipmap(b.TEXTURE_2D);b.bindTexture(b.TEXTURE_2D,null)}};this.initWebGLObjects=
 function(d,n){function h(u,A,B,N){if(u[A]==undefined){d.__webGLObjects.push({buffer:B,object:N});u[A]=1}}function f(u,A,B){if(u[A]==undefined){d.__webGLObjectsImmediate.push({object:B});u[A]=1}}var k,l,t,o,r,v,x;if(!d.__webGLObjects){d.__webGLObjects=[];d.__webGLObjectsMap={};d.__webGLObjectsImmediate=[]}k=0;for(l=d.objects.length;k<l;k++){t=d.objects[k];r=t.geometry;if(d.__webGLObjectsMap[t.id]==undefined){d.__webGLObjectsMap[t.id]={};t._modelViewMatrix=new THREE.Matrix4;t._normalMatrixArray=new Float32Array(9);
-t._modelViewMatrixArray=new Float32Array(16);t._objectMatrixArray=new Float32Array(16);t._objectMatrixArray.set(t.matrix.flatten())}x=d.__webGLObjectsMap[t.id];if(t instanceof THREE.Mesh){for(o in r.geometryChunks){v=r.geometryChunks[o];if(!v.__webGLVertexBuffer){this.createMeshBuffers(v);this.initMeshBuffers(v,t);r.__dirtyVertices=true;r.__dirtyElements=true;r.__dirtyUvs=true;r.__dirtyNormals=true;r.__dirtyTangents=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyElements||r.__dirtyUvs||
+t._modelViewMatrixArray=new Float32Array(16);t._objectMatrixArray=new Float32Array(16);t.matrix.flattenToArray(t._objectMatrixArray)}x=d.__webGLObjectsMap[t.id];if(t instanceof THREE.Mesh){for(o in r.geometryChunks){v=r.geometryChunks[o];if(!v.__webGLVertexBuffer){this.createMeshBuffers(v);this.initMeshBuffers(v,t);r.__dirtyVertices=true;r.__dirtyElements=true;r.__dirtyUvs=true;r.__dirtyNormals=true;r.__dirtyTangents=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyElements||r.__dirtyUvs||
 r.__dirtyNormals||r.__dirtyColors||r.__dirtyTangents)this.setMeshBuffers(v,t,b.DYNAMIC_DRAW);h(x,o,v,t)}r.__dirtyVertices=false;r.__dirtyElements=false;r.__dirtyUvs=false;r.__dirtyNormals=false;r.__dirtyTangents=false;r.__dirtyColors=false}else if(t instanceof THREE.Line){if(!r.__webGLVertexBuffer){this.createLineBuffers(r);this.initLineBuffers(r);r.__dirtyVertices=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyColors)this.setLineBuffers(r,b.DYNAMIC_DRAW);h(x,0,r,t);r.__dirtyVertices=false;
 r.__dirtyColors=false}else if(t instanceof THREE.ParticleSystem){if(!r.__webGLVertexBuffer){this.createParticleBuffers(r);this.initParticleBuffers(r);r.__dirtyVertices=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyColors||t.sortParticles)this.setParticleBuffers(r,b.DYNAMIC_DRAW,t,n);h(x,0,r,t);r.__dirtyVertices=false;r.__dirtyColors=false}else t instanceof THREE.MarchingCubes&&f(x,0,t)}};this.removeObject=function(d,n){var h,f;for(h=d.__webGLObjects.length-1;h>=0;h--){f=d.__webGLObjects[h].object;
 n==f&&d.__webGLObjects.splice(h,1)}};this.setupMatrices=function(d,n){d._modelViewMatrix.multiplyToArray(n.matrix,d.matrix,d._modelViewMatrixArray);d._normalMatrix=THREE.Matrix4.makeInvert3x3(d._modelViewMatrix).transposeIntoArray(d._normalMatrixArray)};this.loadMatrices=function(d,n){b.uniformMatrix4fv(d.uniforms.viewMatrix,false,w);b.uniformMatrix4fv(d.uniforms.projectionMatrix,false,z);b.uniformMatrix4fv(d.uniforms.modelViewMatrix,false,n._modelViewMatrixArray);b.uniformMatrix3fv(d.uniforms.normalMatrix,
diff --git a/build/ThreeDebug.js b/build/ThreeDebug.js
index 742eb107..27a319c1 100644
--- a/build/ThreeDebug.js
+++ b/build/ThreeDebug.js
@@ -32,10 +32,10 @@ e[15]=this.n44;return this},multiplySelf:function(a){var c=this.n11,e=this.n12,g
 m+s*t+n*p;this.n23=j*r+b*v+s*x+n*u;this.n24=j*A+b*B+s*N+n*a;this.n31=l*d+q*o+z*h+w*f;this.n32=l*k+q*m+z*t+w*p;this.n33=l*r+q*v+z*x+w*u;this.n34=l*A+q*B+z*N+w*a;this.n41=y*d+F*o+K*h+L*f;this.n42=y*k+F*m+K*t+L*p;this.n43=y*r+F*v+K*x+L*u;this.n44=y*A+F*B+K*N+L*a;return this},multiplyScalar:function(a){this.n11*=a;this.n12*=a;this.n13*=a;this.n14*=a;this.n21*=a;this.n22*=a;this.n23*=a;this.n24*=a;this.n31*=a;this.n32*=a;this.n33*=a;this.n34*=a;this.n41*=a;this.n42*=a;this.n43*=a;this.n44*=a;return this},
 determinant:function(){var a=this.n11,c=this.n12,e=this.n13,g=this.n14,i=this.n21,j=this.n22,b=this.n23,s=this.n24,n=this.n31,l=this.n32,q=this.n33,z=this.n34,w=this.n41,y=this.n42,F=this.n43,K=this.n44;return g*b*l*w-e*s*l*w-g*j*q*w+c*s*q*w+e*j*z*w-c*b*z*w-g*b*n*y+e*s*n*y+g*i*q*y-a*s*q*y-e*i*z*y+a*b*z*y+g*j*n*F-c*s*n*F-g*i*l*F+a*s*l*F+c*i*z*F-a*j*z*F-e*j*n*K+c*b*n*K+e*i*l*K-a*b*l*K-c*i*q*K+a*j*q*K},transpose:function(){function a(c,e,g){var i=c[e];c[e]=c[g];c[g]=i}a(this,"n21","n12");a(this,"n31",
 "n13");a(this,"n32","n23");a(this,"n41","n14");a(this,"n42","n24");a(this,"n43","n34");return this},clone:function(){var a=new THREE.Matrix4;a.n11=this.n11;a.n12=this.n12;a.n13=this.n13;a.n14=this.n14;a.n21=this.n21;a.n22=this.n22;a.n23=this.n23;a.n24=this.n24;a.n31=this.n31;a.n32=this.n32;a.n33=this.n33;a.n34=this.n34;a.n41=this.n41;a.n42=this.n42;a.n43=this.n43;a.n44=this.n44;return a},flatten:function(){var a=this.flat;a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=
-this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,e){this.set(1,0,0,a,0,1,0,c,0,0,1,e,0,0,0,1);return this},setScale:function(a,c,e){this.set(a,0,0,0,0,c,0,0,0,0,e,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,
-0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var e=Math.cos(c),g=Math.sin(c),i=1-e,j=a.x,b=a.y,s=a.z,n=i*j,l=i*b;this.set(n*j+e,n*b-g*s,n*s+g*b,0,n*b+g*s,l*b+e,l*s-g*j,0,n*s-g*b,l*s+g*j,i*s*s+e,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+
-" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setTranslation(a,c,e);return g};THREE.Matrix4.scaleMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setScale(a,c,e);return g};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};
-THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var e=new THREE.Matrix4;e.setRotAxis(a,c);return e};
+this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},flattenToArray:function(a){a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,e){this.set(1,0,0,a,0,1,0,c,0,0,1,e,0,0,0,
+1);return this},setScale:function(a,c,e){this.set(a,0,0,0,0,c,0,0,0,0,e,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var e=Math.cos(c),g=Math.sin(c),i=1-e,j=a.x,b=a.y,s=a.z,
+n=i*j,l=i*b;this.set(n*j+e,n*b-g*s,n*s+g*b,0,n*b+g*s,l*b+e,l*s-g*j,0,n*s-g*b,l*s+g*j,i*s*s+e,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setTranslation(a,c,e);return g};
+THREE.Matrix4.scaleMatrix=function(a,c,e){var g=new THREE.Matrix4;g.setScale(a,c,e);return g};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var e=new THREE.Matrix4;e.setRotAxis(a,c);return e};
 THREE.Matrix4.makeInvert=function(a){var c=a.n11,e=a.n12,g=a.n13,i=a.n14,j=a.n21,b=a.n22,s=a.n23,n=a.n24,l=a.n31,q=a.n32,z=a.n33,w=a.n34,y=a.n41,F=a.n42,K=a.n43,L=a.n44,d=new THREE.Matrix4;d.n11=s*w*F-n*z*F+n*q*K-b*w*K-s*q*L+b*z*L;d.n12=i*z*F-g*w*F-i*q*K+e*w*K+g*q*L-e*z*L;d.n13=g*n*F-i*s*F+i*b*K-e*n*K-g*b*L+e*s*L;d.n14=i*s*q-g*n*q-i*b*z+e*n*z+g*b*w-e*s*w;d.n21=n*z*y-s*w*y-n*l*K+j*w*K+s*l*L-j*z*L;d.n22=g*w*y-i*z*y+i*l*K-c*w*K-g*l*L+c*z*L;d.n23=i*s*y-g*n*y-i*j*K+c*n*K+g*j*L-c*s*L;d.n24=g*n*l-i*s*l+
 i*j*z-c*n*z-g*j*w+c*s*w;d.n31=b*w*y-n*q*y+n*l*F-j*w*F-b*l*L+j*q*L;d.n32=i*q*y-e*w*y-i*l*F+c*w*F+e*l*L-c*q*L;d.n33=g*n*y-i*b*y+i*j*F-c*n*F-e*j*L+c*b*L;d.n34=i*b*l-e*n*l-i*j*q+c*n*q+e*j*w-c*b*w;d.n41=s*q*y-b*z*y-s*l*F+j*z*F+b*l*K-j*q*K;d.n42=e*z*y-g*q*y+g*l*F-c*z*F-e*l*K+c*q*K;d.n43=g*b*y-e*s*y-g*j*F+c*s*F+e*j*K-c*b*K;d.n44=e*s*l-g*b*l+g*j*q-c*s*q-e*j*z+c*b*z;d.multiplyScalar(1/a.determinant());return d};
 THREE.Matrix4.makeInvert3x3=function(a){var c=a.flatten();a=a.m33;var e=a.m,g=c[10]*c[5]-c[6]*c[9],i=-c[10]*c[1]+c[2]*c[9],j=c[6]*c[1]-c[2]*c[5],b=-c[10]*c[4]+c[6]*c[8],s=c[10]*c[0]-c[2]*c[8],n=-c[6]*c[0]+c[2]*c[4],l=c[9]*c[4]-c[5]*c[8],q=-c[9]*c[0]+c[1]*c[8],z=c[5]*c[0]-c[1]*c[4];c=c[0]*g+c[1]*b+c[2]*l;if(c==0)throw"matrix not invertible";c=1/c;e[0]=c*g;e[1]=c*i;e[2]=c*j;e[3]=c*b;e[4]=c*s;e[5]=c*n;e[6]=c*l;e[7]=c*q;e[8]=c*z;return a};
@@ -191,15 +191,15 @@ if(m instanceof THREE.Mesh)if(f.wireframe){b.lineWidth(f.wireframe_linewidth);b.
 b.drawArrays(b.POINTS,0,k.__webGLParticleCount)};this.renderPass=function(d,o,h,f,k,m,t){var p,r,v,x,u;v=0;for(x=f.materials.length;v<x;v++){p=f.materials[v];if(p instanceof THREE.MeshFaceMaterial){p=0;for(r=k.materials.length;p<r;p++)if((u=k.materials[p])&&u.blending==m&&u.opacity<1==t){this.setBlending(u.blending);this.setDepthTest(u.depth_test);this.renderBuffer(d,o,h,u,k,f)}}else if((u=p)&&u.blending==m&&u.opacity<1==t){this.setBlending(u.blending);this.setDepthTest(u.depth_test);this.renderBuffer(d,
 o,h,u,k,f)}}};this.renderPassImmediate=function(d,o,h,f,k,m){var t,p,r,v;t=0;for(p=f.materials.length;t<p;t++)if((r=f.materials[t])&&r.blending==k&&r.opacity<1==m){this.setBlending(r.blending);this.setDepthTest(r.depth_test);v=this.setProgram(d,o,h,r,f);f.render(function(x){var u=v;if(!x.__webGLVertexBuffer)x.__webGLVertexBuffer=b.createBuffer();if(!x.__webGLNormalBuffer)x.__webGLNormalBuffer=b.createBuffer();if(x.hasPos){b.bindBuffer(b.ARRAY_BUFFER,x.__webGLVertexBuffer);b.bufferData(b.ARRAY_BUFFER,
 x.positionArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(u.attributes.position);b.vertexAttribPointer(u.attributes.position,3,b.FLOAT,false,0,0)}if(x.hasNormal){b.bindBuffer(b.ARRAY_BUFFER,x.__webGLNormalBuffer);b.bufferData(b.ARRAY_BUFFER,x.normalArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(u.attributes.normal);b.vertexAttribPointer(u.attributes.normal,3,b.FLOAT,false,0,0)}b.drawArrays(b.TRIANGLES,0,x.count);x.count=0})}};this.render=function(d,o,h,f){var k,m,t,p,r=d.lights,v=d.fog;o.autoUpdateMatrix&&
-o.updateMatrix();w.set(o.matrix.flatten());z.set(o.projectionMatrix.flatten());q.multiply(o.projectionMatrix,o.matrix);l[0].set(q.n41-q.n11,q.n42-q.n12,q.n43-q.n13,q.n44-q.n14);l[1].set(q.n41+q.n11,q.n42+q.n12,q.n43+q.n13,q.n44+q.n14);l[2].set(q.n41+q.n21,q.n42+q.n22,q.n43+q.n23,q.n44+q.n24);l[3].set(q.n41-q.n21,q.n42-q.n22,q.n43-q.n23,q.n44-q.n24);l[4].set(q.n41-q.n31,q.n42-q.n32,q.n43-q.n33,q.n44-q.n34);l[5].set(q.n41+q.n31,q.n42+q.n32,q.n43+q.n33,q.n44+q.n34);for(k=0;k<5;k++){p=l[k];p.divideScalar(Math.sqrt(p.x*
+o.updateMatrix();o.matrix.flattenToArray(w);o.projectionMatrix.flattenToArray(z);q.multiply(o.projectionMatrix,o.matrix);l[0].set(q.n41-q.n11,q.n42-q.n12,q.n43-q.n13,q.n44-q.n14);l[1].set(q.n41+q.n11,q.n42+q.n12,q.n43+q.n13,q.n44+q.n14);l[2].set(q.n41+q.n21,q.n42+q.n22,q.n43+q.n23,q.n44+q.n24);l[3].set(q.n41-q.n21,q.n42-q.n22,q.n43-q.n23,q.n44-q.n24);l[4].set(q.n41-q.n31,q.n42-q.n32,q.n43-q.n33,q.n44-q.n34);l[5].set(q.n41+q.n31,q.n42+q.n32,q.n43+q.n33,q.n44+q.n34);for(k=0;k<5;k++){p=l[k];p.divideScalar(Math.sqrt(p.x*
 p.x+p.y*p.y+p.z*p.z))}this.initWebGLObjects(d,o);f=f!==undefined?f:true;if(h&&!h.__webGLFramebuffer){h.__webGLFramebuffer=b.createFramebuffer();h.__webGLRenderbuffer=b.createRenderbuffer();h.__webGLTexture=b.createTexture();b.bindRenderbuffer(b.RENDERBUFFER,h.__webGLRenderbuffer);b.renderbufferStorage(b.RENDERBUFFER,b.DEPTH_COMPONENT16,h.width,h.height);b.bindTexture(b.TEXTURE_2D,h.__webGLTexture);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,i(h.wrap_s));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,
 i(h.wrap_t));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,i(h.mag_filter));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,i(h.min_filter));b.texImage2D(b.TEXTURE_2D,0,i(h.format),h.width,h.height,0,i(h.format),i(h.type),null);b.bindFramebuffer(b.FRAMEBUFFER,h.__webGLFramebuffer);b.framebufferTexture2D(b.FRAMEBUFFER,b.COLOR_ATTACHMENT0,b.TEXTURE_2D,h.__webGLTexture,0);b.framebufferRenderbuffer(b.FRAMEBUFFER,b.DEPTH_ATTACHMENT,b.RENDERBUFFER,h.__webGLRenderbuffer);b.bindTexture(b.TEXTURE_2D,
 null);b.bindRenderbuffer(b.RENDERBUFFER,null);b.bindFramebuffer(b.FRAMEBUFFER,null)}if(h){k=h.__webGLFramebuffer;p=h.width;t=h.height}else{k=null;p=j.width;t=j.height}if(k!=n){b.bindFramebuffer(b.FRAMEBUFFER,k);b.viewport(0,0,p,t);f&&b.clear(b.COLOR_BUFFER_BIT|b.DEPTH_BUFFER_BIT);n=k}this.autoClear&&this.clear();k=d.__webGLObjects.length;for(f=0;f<k;f++){t=d.__webGLObjects[f];p=t.object;if(m=p.visible){if(!(m=!(p instanceof THREE.Mesh)))a:{m=void 0;for(var x=p.matrix,u=-p.geometry.boundingSphere.radius*
-Math.max(p.scale.x,Math.max(p.scale.y,p.scale.z)),A=0;A<6;A++){m=l[A].x*x.n14+l[A].y*x.n24+l[A].z*x.n34+l[A].w;if(m<=u){m=false;break a}}m=true}m=m}if(m){if(p.autoUpdateMatrix){p.updateMatrix();p._objectMatrixArray.set(p.matrix.flatten())}this.setupMatrices(p,o);t.render=true}else t.render=false}m=d.__webGLObjectsImmediate.length;for(f=0;f<m;f++){p=d.__webGLObjectsImmediate[f].object;if(p.visible){if(p.autoUpdateMatrix){p.updateMatrix();p._objectMatrixArray.set(p.matrix.flatten())}this.setupMatrices(p,
+Math.max(p.scale.x,Math.max(p.scale.y,p.scale.z)),A=0;A<6;A++){m=l[A].x*x.n14+l[A].y*x.n24+l[A].z*x.n34+l[A].w;if(m<=u){m=false;break a}}m=true}m=m}if(m){if(p.autoUpdateMatrix){p.updateMatrix();p.matrix.flattenToArray(p._objectMatrixArray)}this.setupMatrices(p,o);t.render=true}else t.render=false}m=d.__webGLObjectsImmediate.length;for(f=0;f<m;f++){p=d.__webGLObjectsImmediate[f].object;if(p.visible){if(p.autoUpdateMatrix){p.updateMatrix();p.matrix.flattenToArray(p._objectMatrixArray)}this.setupMatrices(p,
 o)}}for(f=0;f<k;f++){t=d.__webGLObjects[f];if(t.render){p=t.object;t=t.buffer;e(p);this.renderPass(o,r,v,p,t,THREE.NormalBlending,false)}}for(f=0;f<m;f++){p=d.__webGLObjectsImmediate[f].object;if(p.visible){e(p);this.renderPassImmediate(o,r,v,p,THREE.NormalBlending,false)}}for(f=0;f<k;f++){t=d.__webGLObjects[f];if(t.render){p=t.object;t=t.buffer;e(p);this.renderPass(o,r,v,p,t,THREE.AdditiveBlending,false);this.renderPass(o,r,v,p,t,THREE.SubtractiveBlending,false);this.renderPass(o,r,v,p,t,THREE.AdditiveBlending,
 true);this.renderPass(o,r,v,p,t,THREE.SubtractiveBlending,true);this.renderPass(o,r,v,p,t,THREE.NormalBlending,true);this.renderPass(o,r,v,p,t,THREE.BillboardBlending,false)}}for(f=0;f<m;f++){p=d.__webGLObjectsImmediate[f].object;if(p.visible){e(p);this.renderPassImmediate(o,r,v,p,THREE.NormalBlending,true)}}if(h&&h.min_filter!==THREE.NearestFilter&&h.min_filter!==THREE.LinearFilter){b.bindTexture(b.TEXTURE_2D,h.__webGLTexture);b.generateMipmap(b.TEXTURE_2D);b.bindTexture(b.TEXTURE_2D,null)}};this.initWebGLObjects=
 function(d,o){function h(u,A,B,N){if(u[A]==undefined){d.__webGLObjects.push({buffer:B,object:N});u[A]=1}}function f(u,A,B){if(u[A]==undefined){d.__webGLObjectsImmediate.push({object:B});u[A]=1}}var k,m,t,p,r,v,x;if(!d.__webGLObjects){d.__webGLObjects=[];d.__webGLObjectsMap={};d.__webGLObjectsImmediate=[]}k=0;for(m=d.objects.length;k<m;k++){t=d.objects[k];r=t.geometry;if(d.__webGLObjectsMap[t.id]==undefined){d.__webGLObjectsMap[t.id]={};t._modelViewMatrix=new THREE.Matrix4;t._normalMatrixArray=new Float32Array(9);
-t._modelViewMatrixArray=new Float32Array(16);t._objectMatrixArray=new Float32Array(16);t._objectMatrixArray.set(t.matrix.flatten())}x=d.__webGLObjectsMap[t.id];if(t instanceof THREE.Mesh){for(p in r.geometryChunks){v=r.geometryChunks[p];if(!v.__webGLVertexBuffer){this.createMeshBuffers(v);this.initMeshBuffers(v,t);r.__dirtyVertices=true;r.__dirtyElements=true;r.__dirtyUvs=true;r.__dirtyNormals=true;r.__dirtyTangents=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyElements||r.__dirtyUvs||
+t._modelViewMatrixArray=new Float32Array(16);t._objectMatrixArray=new Float32Array(16);t.matrix.flattenToArray(t._objectMatrixArray)}x=d.__webGLObjectsMap[t.id];if(t instanceof THREE.Mesh){for(p in r.geometryChunks){v=r.geometryChunks[p];if(!v.__webGLVertexBuffer){this.createMeshBuffers(v);this.initMeshBuffers(v,t);r.__dirtyVertices=true;r.__dirtyElements=true;r.__dirtyUvs=true;r.__dirtyNormals=true;r.__dirtyTangents=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyElements||r.__dirtyUvs||
 r.__dirtyNormals||r.__dirtyColors||r.__dirtyTangents)this.setMeshBuffers(v,t,b.DYNAMIC_DRAW);h(x,p,v,t)}r.__dirtyVertices=false;r.__dirtyElements=false;r.__dirtyUvs=false;r.__dirtyNormals=false;r.__dirtyTangents=false;r.__dirtyColors=false}else if(t instanceof THREE.Line){if(!r.__webGLVertexBuffer){this.createLineBuffers(r);this.initLineBuffers(r);r.__dirtyVertices=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyColors)this.setLineBuffers(r,b.DYNAMIC_DRAW);h(x,0,r,t);r.__dirtyVertices=false;
 r.__dirtyColors=false}else if(t instanceof THREE.ParticleSystem){if(!r.__webGLVertexBuffer){this.createParticleBuffers(r);this.initParticleBuffers(r);r.__dirtyVertices=true;r.__dirtyColors=true}if(r.__dirtyVertices||r.__dirtyColors||t.sortParticles)this.setParticleBuffers(r,b.DYNAMIC_DRAW,t,o);h(x,0,r,t);r.__dirtyVertices=false;r.__dirtyColors=false}else t instanceof THREE.MarchingCubes&&f(x,0,t)}};this.removeObject=function(d,o){var h,f;for(h=d.__webGLObjects.length-1;h>=0;h--){f=d.__webGLObjects[h].object;
 o==f&&d.__webGLObjects.splice(h,1)}};this.setupMatrices=function(d,o){d._modelViewMatrix.multiplyToArray(o.matrix,d.matrix,d._modelViewMatrixArray);d._normalMatrix=THREE.Matrix4.makeInvert3x3(d._modelViewMatrix).transposeIntoArray(d._normalMatrixArray)};this.loadMatrices=function(d,o){b.uniformMatrix4fv(d.uniforms.viewMatrix,false,w);b.uniformMatrix4fv(d.uniforms.projectionMatrix,false,z);b.uniformMatrix4fv(d.uniforms.modelViewMatrix,false,o._modelViewMatrixArray);b.uniformMatrix3fv(d.uniforms.normalMatrix,
diff --git a/build/ThreeExtras.js b/build/ThreeExtras.js
index b834ff95..578d1bc0 100644
--- a/build/ThreeExtras.js
+++ b/build/ThreeExtras.js
@@ -32,10 +32,10 @@ d[15]=this.n44;return this},multiplySelf:function(a){var c=this.n11,d=this.n12,e
 w+m*x+k*u;this.n23=g*A+b*C+m*F+k*E;this.n24=g*D+b*I+m*S+k*a;this.n31=n*f+o*p+y*j+v*l;this.n32=n*t+o*w+y*x+v*u;this.n33=n*A+o*C+y*F+v*E;this.n34=n*D+o*I+y*S+v*a;this.n41=q*f+z*p+B*j+H*l;this.n42=q*t+z*w+B*x+H*u;this.n43=q*A+z*C+B*F+H*E;this.n44=q*D+z*I+B*S+H*a;return this},multiplyScalar:function(a){this.n11*=a;this.n12*=a;this.n13*=a;this.n14*=a;this.n21*=a;this.n22*=a;this.n23*=a;this.n24*=a;this.n31*=a;this.n32*=a;this.n33*=a;this.n34*=a;this.n41*=a;this.n42*=a;this.n43*=a;this.n44*=a;return this},
 determinant:function(){var a=this.n11,c=this.n12,d=this.n13,e=this.n14,h=this.n21,g=this.n22,b=this.n23,m=this.n24,k=this.n31,n=this.n32,o=this.n33,y=this.n34,v=this.n41,q=this.n42,z=this.n43,B=this.n44;return e*b*n*v-d*m*n*v-e*g*o*v+c*m*o*v+d*g*y*v-c*b*y*v-e*b*k*q+d*m*k*q+e*h*o*q-a*m*o*q-d*h*y*q+a*b*y*q+e*g*k*z-c*m*k*z-e*h*n*z+a*m*n*z+c*h*y*z-a*g*y*z-d*g*k*B+c*b*k*B+d*h*n*B-a*b*n*B-c*h*o*B+a*g*o*B},transpose:function(){function a(c,d,e){var h=c[d];c[d]=c[e];c[e]=h}a(this,"n21","n12");a(this,"n31",
 "n13");a(this,"n32","n23");a(this,"n41","n14");a(this,"n42","n24");a(this,"n43","n34");return this},clone:function(){var a=new THREE.Matrix4;a.n11=this.n11;a.n12=this.n12;a.n13=this.n13;a.n14=this.n14;a.n21=this.n21;a.n22=this.n22;a.n23=this.n23;a.n24=this.n24;a.n31=this.n31;a.n32=this.n32;a.n33=this.n33;a.n34=this.n34;a.n41=this.n41;a.n42=this.n42;a.n43=this.n43;a.n44=this.n44;return a},flatten:function(){var a=this.flat;a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=
-this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,d){this.set(1,0,0,a,0,1,0,c,0,0,1,d,0,0,0,1);return this},setScale:function(a,c,d){this.set(a,0,0,0,0,c,0,0,0,0,d,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,
-0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var d=Math.cos(c),e=Math.sin(c),h=1-d,g=a.x,b=a.y,m=a.z,k=h*g,n=h*b;this.set(k*g+d,k*b-e*m,k*m+e*b,0,k*b+e*m,n*b+d,n*m-e*g,0,k*m-e*b,n*m+e*g,h*m*m+d,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+
-" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,d){var e=new THREE.Matrix4;e.setTranslation(a,c,d);return e};THREE.Matrix4.scaleMatrix=function(a,c,d){var e=new THREE.Matrix4;e.setScale(a,c,d);return e};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};
-THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var d=new THREE.Matrix4;d.setRotAxis(a,c);return d};
+this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},flattenToArray:function(a){a[0]=this.n11;a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},setTranslation:function(a,c,d){this.set(1,0,0,a,0,1,0,c,0,0,1,d,0,0,0,
+1);return this},setScale:function(a,c,d){this.set(a,0,0,0,0,c,0,0,0,0,d,0,0,0,0,1);return this},setRotX:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,c,-a,0,0,a,c,0,0,0,0,1);return this},setRotY:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,0,a,0,0,1,0,0,-a,0,c,0,0,0,0,1);return this},setRotZ:function(a){var c=Math.cos(a);a=Math.sin(a);this.set(c,-a,0,0,a,c,0,0,0,0,1,0,0,0,0,1);return this},setRotAxis:function(a,c){var d=Math.cos(c),e=Math.sin(c),h=1-d,g=a.x,b=a.y,m=a.z,
+k=h*g,n=h*b;this.set(k*g+d,k*b-e*m,k*m+e*b,0,k*b+e*m,n*b+d,n*m-e*g,0,k*m-e*b,n*m+e*g,h*m*m+d,0,0,0,0,1);return this},toString:function(){return"| "+this.n11+" "+this.n12+" "+this.n13+" "+this.n14+" |\n| "+this.n21+" "+this.n22+" "+this.n23+" "+this.n24+" |\n| "+this.n31+" "+this.n32+" "+this.n33+" "+this.n34+" |\n| "+this.n41+" "+this.n42+" "+this.n43+" "+this.n44+" |"}};THREE.Matrix4.translationMatrix=function(a,c,d){var e=new THREE.Matrix4;e.setTranslation(a,c,d);return e};
+THREE.Matrix4.scaleMatrix=function(a,c,d){var e=new THREE.Matrix4;e.setScale(a,c,d);return e};THREE.Matrix4.rotationXMatrix=function(a){var c=new THREE.Matrix4;c.setRotX(a);return c};THREE.Matrix4.rotationYMatrix=function(a){var c=new THREE.Matrix4;c.setRotY(a);return c};THREE.Matrix4.rotationZMatrix=function(a){var c=new THREE.Matrix4;c.setRotZ(a);return c};THREE.Matrix4.rotationAxisAngleMatrix=function(a,c){var d=new THREE.Matrix4;d.setRotAxis(a,c);return d};
 THREE.Matrix4.makeInvert=function(a){var c=a.n11,d=a.n12,e=a.n13,h=a.n14,g=a.n21,b=a.n22,m=a.n23,k=a.n24,n=a.n31,o=a.n32,y=a.n33,v=a.n34,q=a.n41,z=a.n42,B=a.n43,H=a.n44,f=new THREE.Matrix4;f.n11=m*v*z-k*y*z+k*o*B-b*v*B-m*o*H+b*y*H;f.n12=h*y*z-e*v*z-h*o*B+d*v*B+e*o*H-d*y*H;f.n13=e*k*z-h*m*z+h*b*B-d*k*B-e*b*H+d*m*H;f.n14=h*m*o-e*k*o-h*b*y+d*k*y+e*b*v-d*m*v;f.n21=k*y*q-m*v*q-k*n*B+g*v*B+m*n*H-g*y*H;f.n22=e*v*q-h*y*q+h*n*B-c*v*B-e*n*H+c*y*H;f.n23=h*m*q-e*k*q-h*g*B+c*k*B+e*g*H-c*m*H;f.n24=e*k*n-h*m*n+
 h*g*y-c*k*y-e*g*v+c*m*v;f.n31=b*v*q-k*o*q+k*n*z-g*v*z-b*n*H+g*o*H;f.n32=h*o*q-d*v*q-h*n*z+c*v*z+d*n*H-c*o*H;f.n33=e*k*q-h*b*q+h*g*z-c*k*z-d*g*H+c*b*H;f.n34=h*b*n-d*k*n-h*g*o+c*k*o+d*g*v-c*b*v;f.n41=m*o*q-b*y*q-m*n*z+g*y*z+b*n*B-g*o*B;f.n42=d*y*q-e*o*q+e*n*z-c*y*z-d*n*B+c*o*B;f.n43=e*b*q-d*m*q-e*g*z+c*m*z+d*g*B-c*b*B;f.n44=d*m*n-e*b*n+e*g*o-c*m*o-d*g*y+c*b*y;f.multiplyScalar(1/a.determinant());return f};
 THREE.Matrix4.makeInvert3x3=function(a){var c=a.flatten();a=a.m33;var d=a.m,e=c[10]*c[5]-c[6]*c[9],h=-c[10]*c[1]+c[2]*c[9],g=c[6]*c[1]-c[2]*c[5],b=-c[10]*c[4]+c[6]*c[8],m=c[10]*c[0]-c[2]*c[8],k=-c[6]*c[0]+c[2]*c[4],n=c[9]*c[4]-c[5]*c[8],o=-c[9]*c[0]+c[1]*c[8],y=c[5]*c[0]-c[1]*c[4];c=c[0]*e+c[1]*b+c[2]*n;if(c==0)throw"matrix not invertible";c=1/c;d[0]=c*e;d[1]=c*h;d[2]=c*g;d[3]=c*b;d[4]=c*m;d[5]=c*k;d[6]=c*n;d[7]=c*o;d[8]=c*y;return a};
@@ -191,15 +191,15 @@ if(w instanceof THREE.Mesh)if(l.wireframe){b.lineWidth(l.wireframe_linewidth);b.
 b.drawArrays(b.POINTS,0,t.__webGLParticleCount)};this.renderPass=function(f,p,j,l,t,w,x){var u,A,C,F,E;C=0;for(F=l.materials.length;C<F;C++){u=l.materials[C];if(u instanceof THREE.MeshFaceMaterial){u=0;for(A=t.materials.length;u<A;u++)if((E=t.materials[u])&&E.blending==w&&E.opacity<1==x){this.setBlending(E.blending);this.setDepthTest(E.depth_test);this.renderBuffer(f,p,j,E,t,l)}}else if((E=u)&&E.blending==w&&E.opacity<1==x){this.setBlending(E.blending);this.setDepthTest(E.depth_test);this.renderBuffer(f,
 p,j,E,t,l)}}};this.renderPassImmediate=function(f,p,j,l,t,w){var x,u,A,C;x=0;for(u=l.materials.length;x<u;x++)if((A=l.materials[x])&&A.blending==t&&A.opacity<1==w){this.setBlending(A.blending);this.setDepthTest(A.depth_test);C=this.setProgram(f,p,j,A,l);l.render(function(F){var E=C;if(!F.__webGLVertexBuffer)F.__webGLVertexBuffer=b.createBuffer();if(!F.__webGLNormalBuffer)F.__webGLNormalBuffer=b.createBuffer();if(F.hasPos){b.bindBuffer(b.ARRAY_BUFFER,F.__webGLVertexBuffer);b.bufferData(b.ARRAY_BUFFER,
 F.positionArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(E.attributes.position);b.vertexAttribPointer(E.attributes.position,3,b.FLOAT,false,0,0)}if(F.hasNormal){b.bindBuffer(b.ARRAY_BUFFER,F.__webGLNormalBuffer);b.bufferData(b.ARRAY_BUFFER,F.normalArray,b.DYNAMIC_DRAW);b.enableVertexAttribArray(E.attributes.normal);b.vertexAttribPointer(E.attributes.normal,3,b.FLOAT,false,0,0)}b.drawArrays(b.TRIANGLES,0,F.count);F.count=0})}};this.render=function(f,p,j,l){var t,w,x,u,A=f.lights,C=f.fog;p.autoUpdateMatrix&&
-p.updateMatrix();v.set(p.matrix.flatten());y.set(p.projectionMatrix.flatten());o.multiply(p.projectionMatrix,p.matrix);n[0].set(o.n41-o.n11,o.n42-o.n12,o.n43-o.n13,o.n44-o.n14);n[1].set(o.n41+o.n11,o.n42+o.n12,o.n43+o.n13,o.n44+o.n14);n[2].set(o.n41+o.n21,o.n42+o.n22,o.n43+o.n23,o.n44+o.n24);n[3].set(o.n41-o.n21,o.n42-o.n22,o.n43-o.n23,o.n44-o.n24);n[4].set(o.n41-o.n31,o.n42-o.n32,o.n43-o.n33,o.n44-o.n34);n[5].set(o.n41+o.n31,o.n42+o.n32,o.n43+o.n33,o.n44+o.n34);for(t=0;t<5;t++){u=n[t];u.divideScalar(Math.sqrt(u.x*
+p.updateMatrix();p.matrix.flattenToArray(v);p.projectionMatrix.flattenToArray(y);o.multiply(p.projectionMatrix,p.matrix);n[0].set(o.n41-o.n11,o.n42-o.n12,o.n43-o.n13,o.n44-o.n14);n[1].set(o.n41+o.n11,o.n42+o.n12,o.n43+o.n13,o.n44+o.n14);n[2].set(o.n41+o.n21,o.n42+o.n22,o.n43+o.n23,o.n44+o.n24);n[3].set(o.n41-o.n21,o.n42-o.n22,o.n43-o.n23,o.n44-o.n24);n[4].set(o.n41-o.n31,o.n42-o.n32,o.n43-o.n33,o.n44-o.n34);n[5].set(o.n41+o.n31,o.n42+o.n32,o.n43+o.n33,o.n44+o.n34);for(t=0;t<5;t++){u=n[t];u.divideScalar(Math.sqrt(u.x*
 u.x+u.y*u.y+u.z*u.z))}this.initWebGLObjects(f,p);l=l!==undefined?l:true;if(j&&!j.__webGLFramebuffer){j.__webGLFramebuffer=b.createFramebuffer();j.__webGLRenderbuffer=b.createRenderbuffer();j.__webGLTexture=b.createTexture();b.bindRenderbuffer(b.RENDERBUFFER,j.__webGLRenderbuffer);b.renderbufferStorage(b.RENDERBUFFER,b.DEPTH_COMPONENT16,j.width,j.height);b.bindTexture(b.TEXTURE_2D,j.__webGLTexture);b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_S,h(j.wrap_s));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_WRAP_T,
 h(j.wrap_t));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MAG_FILTER,h(j.mag_filter));b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,h(j.min_filter));b.texImage2D(b.TEXTURE_2D,0,h(j.format),j.width,j.height,0,h(j.format),h(j.type),null);b.bindFramebuffer(b.FRAMEBUFFER,j.__webGLFramebuffer);b.framebufferTexture2D(b.FRAMEBUFFER,b.COLOR_ATTACHMENT0,b.TEXTURE_2D,j.__webGLTexture,0);b.framebufferRenderbuffer(b.FRAMEBUFFER,b.DEPTH_ATTACHMENT,b.RENDERBUFFER,j.__webGLRenderbuffer);b.bindTexture(b.TEXTURE_2D,
 null);b.bindRenderbuffer(b.RENDERBUFFER,null);b.bindFramebuffer(b.FRAMEBUFFER,null)}if(j){t=j.__webGLFramebuffer;u=j.width;x=j.height}else{t=null;u=g.width;x=g.height}if(t!=k){b.bindFramebuffer(b.FRAMEBUFFER,t);b.viewport(0,0,u,x);l&&b.clear(b.COLOR_BUFFER_BIT|b.DEPTH_BUFFER_BIT);k=t}this.autoClear&&this.clear();t=f.__webGLObjects.length;for(l=0;l<t;l++){x=f.__webGLObjects[l];u=x.object;if(w=u.visible){if(!(w=!(u instanceof THREE.Mesh)))a:{w=void 0;for(var F=u.matrix,E=-u.geometry.boundingSphere.radius*
-Math.max(u.scale.x,Math.max(u.scale.y,u.scale.z)),D=0;D<6;D++){w=n[D].x*F.n14+n[D].y*F.n24+n[D].z*F.n34+n[D].w;if(w<=E){w=false;break a}}w=true}w=w}if(w){if(u.autoUpdateMatrix){u.updateMatrix();u._objectMatrixArray.set(u.matrix.flatten())}this.setupMatrices(u,p);x.render=true}else x.render=false}w=f.__webGLObjectsImmediate.length;for(l=0;l<w;l++){u=f.__webGLObjectsImmediate[l].object;if(u.visible){if(u.autoUpdateMatrix){u.updateMatrix();u._objectMatrixArray.set(u.matrix.flatten())}this.setupMatrices(u,
+Math.max(u.scale.x,Math.max(u.scale.y,u.scale.z)),D=0;D<6;D++){w=n[D].x*F.n14+n[D].y*F.n24+n[D].z*F.n34+n[D].w;if(w<=E){w=false;break a}}w=true}w=w}if(w){if(u.autoUpdateMatrix){u.updateMatrix();u.matrix.flattenToArray(u._objectMatrixArray)}this.setupMatrices(u,p);x.render=true}else x.render=false}w=f.__webGLObjectsImmediate.length;for(l=0;l<w;l++){u=f.__webGLObjectsImmediate[l].object;if(u.visible){if(u.autoUpdateMatrix){u.updateMatrix();u.matrix.flattenToArray(u._objectMatrixArray)}this.setupMatrices(u,
 p)}}for(l=0;l<t;l++){x=f.__webGLObjects[l];if(x.render){u=x.object;x=x.buffer;d(u);this.renderPass(p,A,C,u,x,THREE.NormalBlending,false)}}for(l=0;l<w;l++){u=f.__webGLObjectsImmediate[l].object;if(u.visible){d(u);this.renderPassImmediate(p,A,C,u,THREE.NormalBlending,false)}}for(l=0;l<t;l++){x=f.__webGLObjects[l];if(x.render){u=x.object;x=x.buffer;d(u);this.renderPass(p,A,C,u,x,THREE.AdditiveBlending,false);this.renderPass(p,A,C,u,x,THREE.SubtractiveBlending,false);this.renderPass(p,A,C,u,x,THREE.AdditiveBlending,
 true);this.renderPass(p,A,C,u,x,THREE.SubtractiveBlending,true);this.renderPass(p,A,C,u,x,THREE.NormalBlending,true);this.renderPass(p,A,C,u,x,THREE.BillboardBlending,false)}}for(l=0;l<w;l++){u=f.__webGLObjectsImmediate[l].object;if(u.visible){d(u);this.renderPassImmediate(p,A,C,u,THREE.NormalBlending,true)}}if(j&&j.min_filter!==THREE.NearestFilter&&j.min_filter!==THREE.LinearFilter){b.bindTexture(b.TEXTURE_2D,j.__webGLTexture);b.generateMipmap(b.TEXTURE_2D);b.bindTexture(b.TEXTURE_2D,null)}};this.initWebGLObjects=
 function(f,p){function j(E,D,I,S){if(E[D]==undefined){f.__webGLObjects.push({buffer:I,object:S});E[D]=1}}function l(E,D,I){if(E[D]==undefined){f.__webGLObjectsImmediate.push({object:I});E[D]=1}}var t,w,x,u,A,C,F;if(!f.__webGLObjects){f.__webGLObjects=[];f.__webGLObjectsMap={};f.__webGLObjectsImmediate=[]}t=0;for(w=f.objects.length;t<w;t++){x=f.objects[t];A=x.geometry;if(f.__webGLObjectsMap[x.id]==undefined){f.__webGLObjectsMap[x.id]={};x._modelViewMatrix=new THREE.Matrix4;x._normalMatrixArray=new Float32Array(9);
-x._modelViewMatrixArray=new Float32Array(16);x._objectMatrixArray=new Float32Array(16);x._objectMatrixArray.set(x.matrix.flatten())}F=f.__webGLObjectsMap[x.id];if(x instanceof THREE.Mesh){for(u in A.geometryChunks){C=A.geometryChunks[u];if(!C.__webGLVertexBuffer){this.createMeshBuffers(C);this.initMeshBuffers(C,x);A.__dirtyVertices=true;A.__dirtyElements=true;A.__dirtyUvs=true;A.__dirtyNormals=true;A.__dirtyTangents=true;A.__dirtyColors=true}if(A.__dirtyVertices||A.__dirtyElements||A.__dirtyUvs||
+x._modelViewMatrixArray=new Float32Array(16);x._objectMatrixArray=new Float32Array(16);x.matrix.flattenToArray(x._objectMatrixArray)}F=f.__webGLObjectsMap[x.id];if(x instanceof THREE.Mesh){for(u in A.geometryChunks){C=A.geometryChunks[u];if(!C.__webGLVertexBuffer){this.createMeshBuffers(C);this.initMeshBuffers(C,x);A.__dirtyVertices=true;A.__dirtyElements=true;A.__dirtyUvs=true;A.__dirtyNormals=true;A.__dirtyTangents=true;A.__dirtyColors=true}if(A.__dirtyVertices||A.__dirtyElements||A.__dirtyUvs||
 A.__dirtyNormals||A.__dirtyColors||A.__dirtyTangents)this.setMeshBuffers(C,x,b.DYNAMIC_DRAW);j(F,u,C,x)}A.__dirtyVertices=false;A.__dirtyElements=false;A.__dirtyUvs=false;A.__dirtyNormals=false;A.__dirtyTangents=false;A.__dirtyColors=false}else if(x instanceof THREE.Line){if(!A.__webGLVertexBuffer){this.createLineBuffers(A);this.initLineBuffers(A);A.__dirtyVertices=true;A.__dirtyColors=true}if(A.__dirtyVertices||A.__dirtyColors)this.setLineBuffers(A,b.DYNAMIC_DRAW);j(F,0,A,x);A.__dirtyVertices=false;
 A.__dirtyColors=false}else if(x instanceof THREE.ParticleSystem){if(!A.__webGLVertexBuffer){this.createParticleBuffers(A);this.initParticleBuffers(A);A.__dirtyVertices=true;A.__dirtyColors=true}if(A.__dirtyVertices||A.__dirtyColors||x.sortParticles)this.setParticleBuffers(A,b.DYNAMIC_DRAW,x,p);j(F,0,A,x);A.__dirtyVertices=false;A.__dirtyColors=false}else x instanceof THREE.MarchingCubes&&l(F,0,x)}};this.removeObject=function(f,p){var j,l;for(j=f.__webGLObjects.length-1;j>=0;j--){l=f.__webGLObjects[j].object;
 p==l&&f.__webGLObjects.splice(j,1)}};this.setupMatrices=function(f,p){f._modelViewMatrix.multiplyToArray(p.matrix,f.matrix,f._modelViewMatrixArray);f._normalMatrix=THREE.Matrix4.makeInvert3x3(f._modelViewMatrix).transposeIntoArray(f._normalMatrixArray)};this.loadMatrices=function(f,p){b.uniformMatrix4fv(f.uniforms.viewMatrix,false,v);b.uniformMatrix4fv(f.uniforms.projectionMatrix,false,y);b.uniformMatrix4fv(f.uniforms.modelViewMatrix,false,p._modelViewMatrixArray);b.uniformMatrix3fv(f.uniforms.normalMatrix,
diff --git a/examples/materials_shaders_fresnel.html b/examples/materials_shaders_fresnel.html
index 1f721ad2..213cd33e 100644
--- a/examples/materials_shaders_fresnel.html
+++ b/examples/materials_shaders_fresnel.html
@@ -108,6 +108,8 @@
 					mesh.position.y = Math.random() * 10000 - 5000;
 					mesh.position.z = Math.random() * 10000 - 5000;
 					mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 1;
+					mesh.autoUpdateMatrix = false;
+					mesh.updateMatrix();
 					scene.addObject( mesh );
 					
 				}
diff --git a/src/core/Matrix4.js b/src/core/Matrix4.js
index 26d7d5ec..e36f499a 100644
--- a/src/core/Matrix4.js
+++ b/src/core/Matrix4.js
@@ -352,6 +352,32 @@ THREE.Matrix4.prototype = {
 
 	},
 
+	flattenToArray: function( flat ) {
+		
+		flat[ 0 ] = this.n11;
+		flat[ 1 ] = this.n21;
+		flat[ 2 ] = this.n31;
+		flat[ 3 ] = this.n41;
+
+		flat[ 4 ] = this.n12;
+		flat[ 5 ] = this.n22;
+		flat[ 6 ] = this.n32;
+		flat[ 7 ] = this.n42;
+
+		flat[ 8 ]  = this.n13;
+		flat[ 9 ]  = this.n23;
+		flat[ 10 ] = this.n33;
+		flat[ 11 ] = this.n43;
+
+		flat[ 12 ] = this.n14;
+		flat[ 13 ] = this.n24;
+		flat[ 14 ] = this.n34;
+		flat[ 15 ] = this.n44;
+
+		return flat;
+
+	},
+
 	setTranslation: function( x, y, z ) {
 
 		this.set( 1, 0, 0, x,
diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index cb10059c..70441da6 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -1427,8 +1427,8 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		camera.autoUpdateMatrix && camera.updateMatrix();
 		
-		_viewMatrixArray.set( camera.matrix.flatten() );
-		_projectionMatrixArray.set( camera.projectionMatrix.flatten() );
+		camera.matrix.flattenToArray( _viewMatrixArray );
+		camera.projectionMatrix.flattenToArray( _projectionMatrixArray );
 
 		_projScreenMatrix.multiply( camera.projectionMatrix, camera.matrix );
 		computeFrustum( _projScreenMatrix );
@@ -1457,7 +1457,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 				if( object.autoUpdateMatrix ) { 
 					
 					object.updateMatrix();
-					object._objectMatrixArray.set( object.matrix.flatten() );
+					object.matrix.flattenToArray( object._objectMatrixArray );
 				
 				}
 				
@@ -1484,7 +1484,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 				if( object.autoUpdateMatrix ) { 
 				
 					object.updateMatrix();
-					object._objectMatrixArray.set( object.matrix.flatten() );
+					object.matrix.flattenToArray( object._objectMatrixArray );
 				
 				}
 				
@@ -1634,10 +1634,10 @@ THREE.WebGLRenderer = function ( parameters ) {
 				object._modelViewMatrix = new THREE.Matrix4();
 				
 				object._normalMatrixArray = new Float32Array( 9 );
-				object._modelViewMatrixArray = new Float32Array( 16 );	
+				object._modelViewMatrixArray = new Float32Array( 16 );
 				object._objectMatrixArray = new Float32Array( 16 );
-					
-				object._objectMatrixArray.set( object.matrix.flatten() );
+				
+				object.matrix.flattenToArray( object._objectMatrixArray );
 
 			}