Updated Tween.js (thx @jeromeetienne)

examples/js/Tween.js

-// tween.js r1 - http://github.com/sole/tween.js
-var TWEEN=TWEEN||function(){var a,e,c,d,f=[];return{start:function(g){c=setInterval(this.update,1E3/(g||60))},stop:function(){clearInterval(c)},add:function(g){f.push(g)},remove:function(g){a=f.indexOf(g);a!==-1&&f.splice(a,1)},update:function(){a=0;e=f.length;for(d=(new Date).getTime();a<e;)if(f[a].update(d))a++;else{f.splice(a,1);e--}}}}();
+// tween.js r2 - http://github.com/sole/tween.js
+var TWEEN=TWEEN||function(){var a,e,c,d,f=[];return{start:function(g){c=setInterval(this.update,1E3/(g||60))},stop:function(){clearInterval(c)},add:function(g){f.push(g)},getAll:function(){return f},removeAll:function(){f=[]},remove:function(g){a=f.indexOf(g);a!==-1&&f.splice(a,1)},update:function(){a=0;e=f.length;for(d=(new Date).getTime();a<e;)if(f[a].update(d))a++;else{f.splice(a,1);e--}}}}();
 TWEEN.Tween=function(a){var e={},c={},d={},f=1E3,g=0,j=null,n=TWEEN.Easing.Linear.EaseNone,k=null,l=null,m=null;this.to=function(b,h){if(h!==null)f=h;for(var i in b)if(a[i]!==null)d[i]=b[i];return this};this.start=function(){TWEEN.add(this);j=(new Date).getTime()+g;for(var b in d)if(a[b]!==null){e[b]=a[b];c[b]=d[b]-a[b]}return this};this.stop=function(){TWEEN.remove(this);return this};this.delay=function(b){g=b;return this};this.easing=function(b){n=b;return this};this.chain=function(b){k=b};this.onUpdate=
 function(b){l=b;return this};this.onComplete=function(b){m=b;return this};this.update=function(b){var h,i;if(b<j)return true;b=(b-j)/f;b=b>1?1:b;i=n(b);for(h in c)a[h]=e[h]+c[h]*i;l!==null&&l.call(a,i);if(b==1){m!==null&&m.call(a);k!==null&&k.start();return false}return true}};TWEEN.Easing={Linear:{},Quadratic:{},Cubic:{},Quartic:{},Quintic:{},Sinusoidal:{},Exponential:{},Circular:{},Elastic:{},Back:{},Bounce:{}};TWEEN.Easing.Linear.EaseNone=function(a){return a};
 TWEEN.Easing.Quadratic.EaseIn=function(a){return a*a};TWEEN.Easing.Quadratic.EaseOut=function(a){return-a*(a-2)};TWEEN.Easing.Quadratic.EaseInOut=function(a){if((a*=2)<1)return 0.5*a*a;return-0.5*(--a*(a-2)-1)};TWEEN.Easing.Cubic.EaseIn=function(a){return a*a*a};TWEEN.Easing.Cubic.EaseOut=function(a){return--a*a*a+1};TWEEN.Easing.Cubic.EaseInOut=function(a){if((a*=2)<1)return 0.5*a*a*a;return 0.5*((a-=2)*a*a+2)};TWEEN.Easing.Quartic.EaseIn=function(a){return a*a*a*a};