From 9902cbbf2dd235377e49d59fb99f701b6834fa86 Mon Sep 17 00:00:00 2001
From: alteredq <postfilter@gmail.com>
Date: Thu, 13 Oct 2011 20:17:21 +0200
Subject: [PATCH] Experimenting with Date.now(). Updated builds.

---
 build/Three.js                                | 7 ++++---
 build/custom/ThreeExtras.js                   | 4 ++--
 examples/webgl_materials_cars.html            | 2 +-
 examples/webgl_materials_cubemap_dynamic.html | 4 ++--
 examples/webgl_particles_dynamic.html         | 8 ++------
 examples/webgl_postprocessing.html            | 2 +-
 examples/webgl_postprocessing_dof.html        | 2 +-
 examples/webgl_ribbons.html                   | 2 +-
 examples/webgl_shader_lava.html               | 2 +-
 examples/webgl_shading_physical.html          | 4 ++--
 examples/webgl_shadowmap.html                 | 4 ++--
 11 files changed, 19 insertions(+), 22 deletions(-)

diff --git a/build/Three.js b/build/Three.js
index 93ec49ba..e0ba0df6 100644
--- a/build/Three.js
+++ b/build/Three.js
@@ -21,7 +21,8 @@ w=f instanceof THREE.Face4?w.multiplyVector3(y[f.d].position.clone()):null,u=b.m
 THREE.Rectangle=function(){function b(){k=f-c;m=h-e}var c,e,f,h,k,m,n=!0;this.getX=function(){return c};this.getY=function(){return e};this.getWidth=function(){return k};this.getHeight=function(){return m};this.getLeft=function(){return c};this.getTop=function(){return e};this.getRight=function(){return f};this.getBottom=function(){return h};this.set=function(k,m,w,u){n=!1;c=k;e=m;f=w;h=u;b()};this.addPoint=function(k,m){n?(n=!1,c=k,e=m,f=k,h=m):(c=c<k?c:k,e=e<m?e:m,f=f>k?f:k,h=h>m?h:m);b()};this.add3Points=
 function(k,m,w,u,x,v){n?(n=!1,c=k<w?k<x?k:x:w<x?w:x,e=m<u?m<v?m:v:u<v?u:v,f=k>w?k>x?k:x:w>x?w:x,h=m>u?m>v?m:v:u>v?u:v):(c=k<w?k<x?k<c?k:c:x<c?x:c:w<x?w<c?w:c:x<c?x:c,e=m<u?m<v?m<e?m:e:v<e?v:e:u<v?u<e?u:e:v<e?v:e,f=k>w?k>x?k>f?k:f:x>f?x:f:w>x?w>f?w:f:x>f?x:f,h=m>u?m>v?m>h?m:h:v>h?v:h:u>v?u>h?u:h:v>h?v:h);b()};this.addRectangle=function(k){n?(n=!1,c=k.getLeft(),e=k.getTop(),f=k.getRight(),h=k.getBottom()):(c=c<k.getLeft()?c:k.getLeft(),e=e<k.getTop()?e:k.getTop(),f=f>k.getRight()?f:k.getRight(),h=h>
 k.getBottom()?h:k.getBottom());b()};this.inflate=function(k){c-=k;e-=k;f+=k;h+=k;b()};this.minSelf=function(k){c=c>k.getLeft()?c:k.getLeft();e=e>k.getTop()?e:k.getTop();f=f<k.getRight()?f:k.getRight();h=h<k.getBottom()?h:k.getBottom();b()};this.intersects=function(b){return Math.min(f,b.getRight())-Math.max(c,b.getLeft())>=0&&Math.min(h,b.getBottom())-Math.max(e,b.getTop())>=0};this.empty=function(){n=!0;h=f=e=c=0;b()};this.isEmpty=function(){return n}};
-THREE.Math={clamp:function(b,c,e){return b<c?c:b>e?e:b},clampBottom:function(b,c){return b<c?c:b},mapLinear:function(b,c,e,f,h){return f+(b-c)*(h-f)/(e-c)}};THREE.Matrix3=function(){this.m=[]};THREE.Matrix3.prototype={constructor:THREE.Matrix3,transpose:function(){var b,c=this.m;b=c[1];c[1]=c[3];c[3]=b;b=c[2];c[2]=c[6];c[6]=b;b=c[5];c[5]=c[7];c[7]=b;return this},transposeIntoArray:function(b){var c=this.m;b[0]=c[0];b[1]=c[3];b[2]=c[6];b[3]=c[1];b[4]=c[4];b[5]=c[7];b[6]=c[2];b[7]=c[5];b[8]=c[8];return this}};
+THREE.Math={clamp:function(b,c,e){return b<c?c:b>e?e:b},clampBottom:function(b,c){return b<c?c:b},mapLinear:function(b,c,e,f,h){return f+(b-c)*(h-f)/(e-c)},random16:function(){return(65280*Math.random()+255*Math.random())/65535}};THREE.Matrix3=function(){this.m=[]};
+THREE.Matrix3.prototype={constructor:THREE.Matrix3,transpose:function(){var b,c=this.m;b=c[1];c[1]=c[3];c[3]=b;b=c[2];c[2]=c[6];c[6]=b;b=c[5];c[5]=c[7];c[7]=b;return this},transposeIntoArray:function(b){var c=this.m;b[0]=c[0];b[1]=c[3];b[2]=c[6];b[3]=c[1];b[4]=c[4];b[5]=c[7];b[6]=c[2];b[7]=c[5];b[8]=c[8];return this}};
 THREE.Matrix4=function(b,c,e,f,h,k,m,n,p,t,w,u,x,v,A,z){this.set(b!==void 0?b:1,c||0,e||0,f||0,h||0,k!==void 0?k:1,m||0,n||0,p||0,t||0,w!==void 0?w:1,u||0,x||0,v||0,A||0,z!==void 0?z:1);this.flat=Array(16);this.m33=new THREE.Matrix3};
 THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(b,c,e,f,h,k,m,n,p,t,w,u,x,v,A,z){this.n11=b;this.n12=c;this.n13=e;this.n14=f;this.n21=h;this.n22=k;this.n23=m;this.n24=n;this.n31=p;this.n32=t;this.n33=w;this.n34=u;this.n41=x;this.n42=v;this.n43=A;this.n44=z;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},copy:function(b){this.set(b.n11,b.n12,b.n13,b.n14,b.n21,b.n22,b.n23,b.n24,b.n31,b.n32,b.n33,b.n34,b.n41,b.n42,b.n43,b.n44);return this},lookAt:function(b,
 c,e){var f=THREE.Matrix4.__v1,h=THREE.Matrix4.__v2,k=THREE.Matrix4.__v3;k.sub(b,c).normalize();if(k.length()===0)k.z=1;f.cross(e,k).normalize();f.length()===0&&(k.x+=1.0E-4,f.cross(e,k).normalize());h.cross(k,f).normalize();this.n11=f.x;this.n12=h.x;this.n13=k.x;this.n21=f.y;this.n22=h.y;this.n23=k.y;this.n31=f.z;this.n32=h.z;this.n33=k.z;return this},multiplyVector3:function(b){var c=b.x,e=b.y,f=b.z,h=1/(this.n41*c+this.n42*e+this.n43*f+this.n44);b.x=(this.n11*c+this.n12*e+this.n13*f+this.n14)*h;
@@ -359,8 +360,8 @@ for(m=w.length;f<m;f++)t=w[f],p.vertexNormals.push(t.clone());p.color.copy(n.col
 f+h>1&&(f=1-f,h=1-h);k=1-f-h;m.copy(b);m.multiplyScalar(f);n.copy(c);n.multiplyScalar(h);m.addSelf(n);n.copy(e);n.multiplyScalar(k);m.addSelf(n);return m},randomPointInFace:function(b,c,e){var f,h,k;if(b instanceof THREE.Face3)return f=c.vertices[b.a].position,h=c.vertices[b.b].position,k=c.vertices[b.c].position,THREE.GeometryUtils.randomPointInTriangle(f,h,k);else if(b instanceof THREE.Face4){f=c.vertices[b.a].position;h=c.vertices[b.b].position;k=c.vertices[b.c].position;var c=c.vertices[b.d].position,
 m;e?b._area1&&b._area2?(e=b._area1,m=b._area2):(e=THREE.GeometryUtils.triangleArea(f,h,c),m=THREE.GeometryUtils.triangleArea(h,k,c),b._area1=e,b._area2=m):(e=THREE.GeometryUtils.triangleArea(f,h,c),m=THREE.GeometryUtils.triangleArea(h,k,c));return THREE.GeometryUtils.random()*(e+m)<e?THREE.GeometryUtils.randomPointInTriangle(f,h,c):THREE.GeometryUtils.randomPointInTriangle(h,k,c)}},randomPointsInGeometry:function(b,c){function e(b){function c(e,f){if(f<e)return e;var k=e+Math.floor((f-e)/2);return t[k]>
 b?c(e,k-1):t[k]<b?c(k+1,f):k}return c(0,t.length-1)}var f,h,k=b.faces,m=b.vertices,n=k.length,p=0,t=[],w,u,x,v;for(h=0;h<n;h++){f=k[h];if(f instanceof THREE.Face3)w=m[f.a].position,u=m[f.b].position,x=m[f.c].position,f._area=THREE.GeometryUtils.triangleArea(w,u,x);else if(f instanceof THREE.Face4)w=m[f.a].position,u=m[f.b].position,x=m[f.c].position,v=m[f.d].position,f._area1=THREE.GeometryUtils.triangleArea(w,u,v),f._area2=THREE.GeometryUtils.triangleArea(u,x,v),f._area=f._area1+f._area2;p+=f._area;
-t[h]=p}f=[];m={};for(h=0;h<c;h++)n=THREE.GeometryUtils.random()*p,n=e(n),f[h]=THREE.GeometryUtils.randomPointInFace(k[n],b,!0),m[n]?m[n]+=1:m[n]=1;return f},triangleArea:function(b,c,e){var f,h=THREE.GeometryUtils.__v1;h.sub(b,c);f=h.length();h.sub(b,e);b=h.length();h.sub(c,e);e=h.length();c=0.5*(f+b+e);return Math.sqrt(c*(c-f)*(c-b)*(c-e))},random16:function(){return(65280*Math.random()+255*Math.random())/65535},center:function(b){b.computeBoundingBox();var c=new THREE.Matrix4;c.setTranslation(-0.5*
-(b.boundingBox.x[1]+b.boundingBox.x[0]),-0.5*(b.boundingBox.y[1]+b.boundingBox.y[0]),-0.5*(b.boundingBox.z[1]+b.boundingBox.z[0]));b.applyMatrix(c);b.computeBoundingBox()}};THREE.GeometryUtils.random=THREE.GeometryUtils.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
+t[h]=p}f=[];m={};for(h=0;h<c;h++)n=THREE.GeometryUtils.random()*p,n=e(n),f[h]=THREE.GeometryUtils.randomPointInFace(k[n],b,!0),m[n]?m[n]+=1:m[n]=1;return f},triangleArea:function(b,c,e){var f,h=THREE.GeometryUtils.__v1;h.sub(b,c);f=h.length();h.sub(b,e);b=h.length();h.sub(c,e);e=h.length();c=0.5*(f+b+e);return Math.sqrt(c*(c-f)*(c-b)*(c-e))},center:function(b){b.computeBoundingBox();var c=new THREE.Matrix4;c.setTranslation(-0.5*(b.boundingBox.x[1]+b.boundingBox.x[0]),-0.5*(b.boundingBox.y[1]+b.boundingBox.y[0]),
+-0.5*(b.boundingBox.z[1]+b.boundingBox.z[0]));b.applyMatrix(c);b.computeBoundingBox()}};THREE.GeometryUtils.random=THREE.Math.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
 THREE.ImageUtils={loadTexture:function(b,c,e){var f=new Image,h=new THREE.Texture(f,c);f.onload=function(){h.needsUpdate=!0;e&&e(this)};f.crossOrigin="";f.src=b;return h},loadTextureCube:function(b,c,e){var f,h=[],k=new THREE.Texture(h,c),c=h.loadCount=0;for(f=b.length;c<f;++c)h[c]=new Image,h[c].onload=function(){h.loadCount+=1;if(h.loadCount==6)k.needsUpdate=!0;e&&e(this)},h[c].crossOrigin="",h[c].src=b[c];return k},getNormalMap:function(b,c){var e=function(b){var c=Math.sqrt(b[0]*b[0]+b[1]*b[1]+
 b[2]*b[2]);return[b[0]/c,b[1]/c,b[2]/c]};c|=1;var f=b.width,h=b.height,k=document.createElement("canvas");k.width=f;k.height=h;var m=k.getContext("2d");m.drawImage(b,0,0);for(var n=m.getImageData(0,0,f,h).data,p=m.createImageData(f,h),t=p.data,w=0;w<f;w++)for(var u=1;u<h;u++){var x=u-1<0?h-1:u-1,v=(u+1)%h,A=w-1<0?f-1:w-1,z=(w+1)%f,y=[],E=[0,0,n[(u*f+w)*4]/255*c];y.push([-1,0,n[(u*f+A)*4]/255*c]);y.push([-1,-1,n[(x*f+A)*4]/255*c]);y.push([0,-1,n[(x*f+w)*4]/255*c]);y.push([1,-1,n[(x*f+z)*4]/255*c]);
 y.push([1,0,n[(u*f+z)*4]/255*c]);y.push([1,1,n[(v*f+z)*4]/255*c]);y.push([0,1,n[(v*f+w)*4]/255*c]);y.push([-1,1,n[(v*f+A)*4]/255*c]);x=[];A=y.length;for(v=0;v<A;v++){var z=y[v],F=y[(v+1)%A],z=[z[0]-E[0],z[1]-E[1],z[2]-E[2]],F=[F[0]-E[0],F[1]-E[1],F[2]-E[2]];x.push(e([z[1]*F[2]-z[2]*F[1],z[2]*F[0]-z[0]*F[2],z[0]*F[1]-z[1]*F[0]]))}y=[0,0,0];for(v=0;v<x.length;v++)y[0]+=x[v][0],y[1]+=x[v][1],y[2]+=x[v][2];y[0]/=x.length;y[1]/=x.length;y[2]/=x.length;E=(u*f+w)*4;t[E]=(y[0]+1)/2*255|0;t[E+1]=(y[1]+0.5)*
diff --git a/build/custom/ThreeExtras.js b/build/custom/ThreeExtras.js
index 5cf89fc7..d888ef6b 100644
--- a/build/custom/ThreeExtras.js
+++ b/build/custom/ThreeExtras.js
@@ -8,8 +8,8 @@ for(g=n.length;e<g;e++)m=n[e],l.vertexNormals.push(m.clone());l.color.copy(k.col
 e+f>1&&(e=1-e,f=1-f);h=1-e-f;g.copy(a);g.multiplyScalar(e);k.copy(b);k.multiplyScalar(f);g.addSelf(k);k.copy(c);k.multiplyScalar(h);g.addSelf(k);return g},randomPointInFace:function(a,b,c){var e,f,h;if(a instanceof THREE.Face3)return e=b.vertices[a.a].position,f=b.vertices[a.b].position,h=b.vertices[a.c].position,THREE.GeometryUtils.randomPointInTriangle(e,f,h);else if(a instanceof THREE.Face4){e=b.vertices[a.a].position;f=b.vertices[a.b].position;h=b.vertices[a.c].position;var b=b.vertices[a.d].position,
 g;c?a._area1&&a._area2?(c=a._area1,g=a._area2):(c=THREE.GeometryUtils.triangleArea(e,f,b),g=THREE.GeometryUtils.triangleArea(f,h,b),a._area1=c,a._area2=g):(c=THREE.GeometryUtils.triangleArea(e,f,b),g=THREE.GeometryUtils.triangleArea(f,h,b));return THREE.GeometryUtils.random()*(c+g)<c?THREE.GeometryUtils.randomPointInTriangle(e,f,b):THREE.GeometryUtils.randomPointInTriangle(f,h,b)}},randomPointsInGeometry:function(a,b){function c(a){function c(b,e){if(e<b)return b;var g=b+Math.floor((e-b)/2);return m[g]>
 a?c(b,g-1):m[g]<a?c(g+1,e):g}return c(0,m.length-1)}var e,f,h=a.faces,g=a.vertices,k=h.length,l=0,m=[],n,o,t,u;for(f=0;f<k;f++){e=h[f];if(e instanceof THREE.Face3)n=g[e.a].position,o=g[e.b].position,t=g[e.c].position,e._area=THREE.GeometryUtils.triangleArea(n,o,t);else if(e instanceof THREE.Face4)n=g[e.a].position,o=g[e.b].position,t=g[e.c].position,u=g[e.d].position,e._area1=THREE.GeometryUtils.triangleArea(n,o,u),e._area2=THREE.GeometryUtils.triangleArea(o,t,u),e._area=e._area1+e._area2;l+=e._area;
-m[f]=l}e=[];g={};for(f=0;f<b;f++)k=THREE.GeometryUtils.random()*l,k=c(k),e[f]=THREE.GeometryUtils.randomPointInFace(h[k],a,!0),g[k]?g[k]+=1:g[k]=1;return e},triangleArea:function(a,b,c){var e,f=THREE.GeometryUtils.__v1;f.sub(a,b);e=f.length();f.sub(a,c);a=f.length();f.sub(b,c);c=f.length();b=0.5*(e+a+c);return Math.sqrt(b*(b-e)*(b-a)*(b-c))},random16:function(){return(65280*Math.random()+255*Math.random())/65535},center:function(a){a.computeBoundingBox();var b=new THREE.Matrix4;b.setTranslation(-0.5*
-(a.boundingBox.x[1]+a.boundingBox.x[0]),-0.5*(a.boundingBox.y[1]+a.boundingBox.y[0]),-0.5*(a.boundingBox.z[1]+a.boundingBox.z[0]));a.applyMatrix(b);a.computeBoundingBox()}};THREE.GeometryUtils.random=THREE.GeometryUtils.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
+m[f]=l}e=[];g={};for(f=0;f<b;f++)k=THREE.GeometryUtils.random()*l,k=c(k),e[f]=THREE.GeometryUtils.randomPointInFace(h[k],a,!0),g[k]?g[k]+=1:g[k]=1;return e},triangleArea:function(a,b,c){var e,f=THREE.GeometryUtils.__v1;f.sub(a,b);e=f.length();f.sub(a,c);a=f.length();f.sub(b,c);c=f.length();b=0.5*(e+a+c);return Math.sqrt(b*(b-e)*(b-a)*(b-c))},center:function(a){a.computeBoundingBox();var b=new THREE.Matrix4;b.setTranslation(-0.5*(a.boundingBox.x[1]+a.boundingBox.x[0]),-0.5*(a.boundingBox.y[1]+a.boundingBox.y[0]),
+-0.5*(a.boundingBox.z[1]+a.boundingBox.z[0]));a.applyMatrix(b);a.computeBoundingBox()}};THREE.GeometryUtils.random=THREE.Math.random16;THREE.GeometryUtils.__v1=new THREE.Vector3;
 THREE.ImageUtils={loadTexture:function(a,b,c){var e=new Image,f=new THREE.Texture(e,b);e.onload=function(){f.needsUpdate=!0;c&&c(this)};e.crossOrigin="";e.src=a;return f},loadTextureCube:function(a,b,c){var e,f=[],h=new THREE.Texture(f,b),b=f.loadCount=0;for(e=a.length;b<e;++b)f[b]=new Image,f[b].onload=function(){f.loadCount+=1;if(f.loadCount==6)h.needsUpdate=!0;c&&c(this)},f[b].crossOrigin="",f[b].src=a[b];return h},getNormalMap:function(a,b){var c=function(a){var c=Math.sqrt(a[0]*a[0]+a[1]*a[1]+
 a[2]*a[2]);return[a[0]/c,a[1]/c,a[2]/c]};b|=1;var e=a.width,f=a.height,h=document.createElement("canvas");h.width=e;h.height=f;var g=h.getContext("2d");g.drawImage(a,0,0);for(var k=g.getImageData(0,0,e,f).data,l=g.createImageData(e,f),m=l.data,n=0;n<e;n++)for(var o=1;o<f;o++){var t=o-1<0?f-1:o-1,u=(o+1)%f,v=n-1<0?e-1:n-1,y=(n+1)%e,p=[],z=[0,0,k[(o*e+n)*4]/255*b];p.push([-1,0,k[(o*e+v)*4]/255*b]);p.push([-1,-1,k[(t*e+v)*4]/255*b]);p.push([0,-1,k[(t*e+n)*4]/255*b]);p.push([1,-1,k[(t*e+y)*4]/255*b]);
 p.push([1,0,k[(o*e+y)*4]/255*b]);p.push([1,1,k[(u*e+y)*4]/255*b]);p.push([0,1,k[(u*e+n)*4]/255*b]);p.push([-1,1,k[(u*e+v)*4]/255*b]);t=[];v=p.length;for(u=0;u<v;u++){var y=p[u],x=p[(u+1)%v],y=[y[0]-z[0],y[1]-z[1],y[2]-z[2]],x=[x[0]-z[0],x[1]-z[1],x[2]-z[2]];t.push(c([y[1]*x[2]-y[2]*x[1],y[2]*x[0]-y[0]*x[2],y[0]*x[1]-y[1]*x[0]]))}p=[0,0,0];for(u=0;u<t.length;u++)p[0]+=t[u][0],p[1]+=t[u][1],p[2]+=t[u][2];p[0]/=t.length;p[1]/=t.length;p[2]/=t.length;z=(o*e+n)*4;m[z]=(p[0]+1)/2*255|0;m[z+1]=(p[1]+0.5)*
diff --git a/examples/webgl_materials_cars.html b/examples/webgl_materials_cars.html
index 5d536ba4..7def081a 100644
--- a/examples/webgl_materials_cars.html
+++ b/examples/webgl_materials_cars.html
@@ -601,7 +601,7 @@
 
 			function render() {
 
-				var timer = - new Date().getTime() * 0.0002;
+				var timer = - Date.now() * 0.0002;
 
 				camera.position.y += ( - mouseY - camera.position.y ) * .05;
 
diff --git a/examples/webgl_materials_cubemap_dynamic.html b/examples/webgl_materials_cubemap_dynamic.html
index 3d4a008c..dddcc2da 100644
--- a/examples/webgl_materials_cubemap_dynamic.html
+++ b/examples/webgl_materials_cubemap_dynamic.html
@@ -93,7 +93,7 @@
 
 			var cubeCamera;
 
-			var oldTime = new Date().getTime();
+			var oldTime = Date.now();
 
 			var controlsGallardo = {
 
@@ -875,7 +875,7 @@
 
 			function render() {
 
-				var newTime = new Date().getTime();
+				var newTime = Date.now();
 				var delta = 0.001 * ( newTime - oldTime );
 				oldTime = newTime;
 
diff --git a/examples/webgl_particles_dynamic.html b/examples/webgl_particles_dynamic.html
index c62771c6..f5429c0e 100644
--- a/examples/webgl_particles_dynamic.html
+++ b/examples/webgl_particles_dynamic.html
@@ -297,13 +297,9 @@
 
 			function render () {
 
-				if ( ! oldTime ) {
+				if ( ! oldTime ) oldTime = Date.now();
 
-					oldTime = new Date().getTime();
-
-				}
-
-				time = new Date().getTime();
+				time = Date.now();
 
 				delta = 0.01 * ( time - oldTime );
 				oldTime = time;
diff --git a/examples/webgl_postprocessing.html b/examples/webgl_postprocessing.html
index d58cdab3..8fc46de2 100644
--- a/examples/webgl_postprocessing.html
+++ b/examples/webgl_postprocessing.html
@@ -380,7 +380,7 @@
 
 			function render() {
 
-				var time = new Date().getTime() * 0.0004;
+				var time = Date.now() * 0.0004;
 
 				if ( mesh ) mesh.rotation.y = -time;
 
diff --git a/examples/webgl_postprocessing_dof.html b/examples/webgl_postprocessing_dof.html
index 3e9141ae..2fb88faa 100644
--- a/examples/webgl_postprocessing_dof.html
+++ b/examples/webgl_postprocessing_dof.html
@@ -278,7 +278,7 @@
 
 			function render() {
 
-				var time = new Date().getTime() * 0.00005;
+				var time = Date.now() * 0.00005;
 
 				camera.position.x += ( mouseX - camera.position.x ) * 0.036;
 				camera.position.y += ( - (mouseY) - camera.position.y ) * 0.036;
diff --git a/examples/webgl_ribbons.html b/examples/webgl_ribbons.html
index d84183d6..8fdc6165 100644
--- a/examples/webgl_ribbons.html
+++ b/examples/webgl_ribbons.html
@@ -259,7 +259,7 @@
 
 			function render() {
 
-				var time = new Date().getTime() * 0.00005;
+				var time = Date.now() * 0.00005;
 
 				camera.position.x += ( mouseX - camera.position.x ) * 0.036;
 				camera.position.y += ( - mouseY - camera.position.y ) * 0.036;
diff --git a/examples/webgl_shader_lava.html b/examples/webgl_shader_lava.html
index 28d7b9f8..de07fee7 100644
--- a/examples/webgl_shader_lava.html
+++ b/examples/webgl_shader_lava.html
@@ -145,7 +145,7 @@
 
 				scene = new THREE.Scene();
 
-				start_time = new Date().getTime();
+				start_time = Date.now();
 
 				uniforms = {
 
diff --git a/examples/webgl_shading_physical.html b/examples/webgl_shading_physical.html
index 8c177548..52b710e7 100644
--- a/examples/webgl_shading_physical.html
+++ b/examples/webgl_shading_physical.html
@@ -592,9 +592,9 @@
 
 			function render() {
 
-				if ( oldTime === undefined ) oldTime = new Date().getTime();
+				if ( oldTime === undefined ) oldTime = Date.now();
 
-				var newTime = new Date().getTime();
+				var newTime = Date.now();
 				var delta = newTime - oldTime;
 				oldTime = newTime;
 
diff --git a/examples/webgl_shadowmap.html b/examples/webgl_shadowmap.html
index 44e8e82d..86f563fa 100644
--- a/examples/webgl_shadowmap.html
+++ b/examples/webgl_shadowmap.html
@@ -364,9 +364,9 @@
 
 			function render() {
 
-				if ( oldTime === undefined ) oldTime = new Date().getTime();
+				if ( oldTime === undefined ) oldTime = Date.now();
 
-				newTime = new Date().getTime();
+				newTime = Date.now();
 				delta = newTime - oldTime;
 				oldTime = newTime;