tween.min.js

// tween.js - http://github.com/sole/tween.js
'use strict';var TWEEN=TWEEN||function(){var a=[];return{REVISION:"10",getAll:function(){return a},removeAll:function(){a=[]},add:function(c){a.push(c)},remove:function(c){c=a.indexOf(c);-1!==c&&a.splice(c,1)},update:function(c){if(0===a.length)return!1;for(var b=0,d=a.length,c=void 0!==c?c:void 0!==window.performance&&void 0!==window.performance.now?window.performance.now():Date.now();b<d;)a[b].update(c)?b++:(a.splice(b,1),d--);return!0}}}();
TWEEN.Tween=function(a){var c={},b={},d={},e=1E3,g=0,i=0,k=null,u=TWEEN.Easing.Linear.None,v=TWEEN.Interpolation.Linear,p=[],q=null,r=!1,s=null,t=null,j;for(j in a)c[j]=parseFloat(a[j],10);this.to=function(a,c){void 0!==c&&(e=c);b=a;return this};this.start=function(e){TWEEN.add(this);r=!1;k=void 0!==e?e:void 0!==window.performance&&void 0!==window.performance.now?window.performance.now():Date.now();k+=i;for(var f in b){if(b[f]instanceof Array){if(0===b[f].length)continue;b[f]=[a[f]].concat(b[f])}c[f]=
a[f];!1===c[f]instanceof Array&&(c[f]*=1);d[f]=c[f]||0}return this};this.stop=function(){TWEEN.remove(this);return this};this.delay=function(a){i=a;return this};this.repeat=function(a){g=a;return this};this.easing=function(a){u=a;return this};this.interpolation=function(a){v=a;return this};this.chain=function(){p=arguments;return this};this.onStart=function(a){q=a;return this};this.onUpdate=function(a){s=a;return this};this.onComplete=function(a){t=a;return this};this.update=function(n){if(n<k)return!0;
!1===r&&(null!==q&&q.call(a),r=!0);var f=(n-k)/e,f=1<f?1:f,m=u(f),h;for(h in b){var j=c[h]||0,l=b[h];l instanceof Array?a[h]=v(l,m):("string"===typeof l&&(l=j+parseFloat(l,10)),a[h]=j+(l-j)*m)}null!==s&&s.call(a,m);if(1==f)if(0<g){isFinite(g)&&g--;for(h in d)"string"===typeof b[h]&&(d[h]+=parseFloat(b[h],10)),c[h]=d[h];k=n+i}else{null!==t&&t.call(a);f=0;for(m=p.length;f<m;f++)p[f].start(n);return!1}return!0}};
TWEEN.Easing={Linear:{None:function(a){return a}},Quadratic:{In:function(a){return a*a},Out:function(a){return a*(2-a)},InOut:function(a){return 1>(a*=2)?0.5*a*a:-0.5*(--a*(a-2)-1)}},Cubic:{In:function(a){return a*a*a},Out:function(a){return--a*a*a+1},InOut:function(a){return 1>(a*=2)?0.5*a*a*a:0.5*((a-=2)*a*a+2)}},Quartic:{In:function(a){return a*a*a*a},Out:function(a){return 1- --a*a*a*a},InOut:function(a){return 1>(a*=2)?0.5*a*a*a*a:-0.5*((a-=2)*a*a*a-2)}},Quintic:{In:function(a){return a*a*a*
a*a},Out:function(a){return--a*a*a*a*a+1},InOut:function(a){return 1>(a*=2)?0.5*a*a*a*a*a:0.5*((a-=2)*a*a*a*a+2)}},Sinusoidal:{In:function(a){return 1-Math.cos(a*Math.PI/2)},Out:function(a){return Math.sin(a*Math.PI/2)},InOut:function(a){return 0.5*(1-Math.cos(Math.PI*a))}},Exponential:{In:function(a){return 0===a?0:Math.pow(1024,a-1)},Out:function(a){return 1===a?1:1-Math.pow(2,-10*a)},InOut:function(a){return 0===a?0:1===a?1:1>(a*=2)?0.5*Math.pow(1024,a-1):0.5*(-Math.pow(2,-10*(a-1))+2)}},Circular:{In:function(a){return 1-
Math.sqrt(1-a*a)},Out:function(a){return Math.sqrt(1- --a*a)},InOut:function(a){return 1>(a*=2)?-0.5*(Math.sqrt(1-a*a)-1):0.5*(Math.sqrt(1-(a-=2)*a)+1)}},Elastic:{In:function(a){var c,b=0.1;if(0===a)return 0;if(1===a)return 1;!b||1>b?(b=1,c=0.1):c=0.4*Math.asin(1/b)/(2*Math.PI);return-(b*Math.pow(2,10*(a-=1))*Math.sin((a-c)*2*Math.PI/0.4))},Out:function(a){var c,b=0.1;if(0===a)return 0;if(1===a)return 1;!b||1>b?(b=1,c=0.1):c=0.4*Math.asin(1/b)/(2*Math.PI);return b*Math.pow(2,-10*a)*Math.sin((a-c)*
2*Math.PI/0.4)+1},InOut:function(a){var c,b=0.1;if(0===a)return 0;if(1===a)return 1;!b||1>b?(b=1,c=0.1):c=0.4*Math.asin(1/b)/(2*Math.PI);return 1>(a*=2)?-0.5*b*Math.pow(2,10*(a-=1))*Math.sin((a-c)*2*Math.PI/0.4):0.5*b*Math.pow(2,-10*(a-=1))*Math.sin((a-c)*2*Math.PI/0.4)+1}},Back:{In:function(a){return a*a*(2.70158*a-1.70158)},Out:function(a){return--a*a*(2.70158*a+1.70158)+1},InOut:function(a){return 1>(a*=2)?0.5*a*a*(3.5949095*a-2.5949095):0.5*((a-=2)*a*(3.5949095*a+2.5949095)+2)}},Bounce:{In:function(a){return 1-
TWEEN.Easing.Bounce.Out(1-a)},Out:function(a){return a<1/2.75?7.5625*a*a:a<2/2.75?7.5625*(a-=1.5/2.75)*a+0.75:a<2.5/2.75?7.5625*(a-=2.25/2.75)*a+0.9375:7.5625*(a-=2.625/2.75)*a+0.984375},InOut:function(a){return 0.5>a?0.5*TWEEN.Easing.Bounce.In(2*a):0.5*TWEEN.Easing.Bounce.Out(2*a-1)+0.5}}};
TWEEN.Interpolation={Linear:function(a,c){var b=a.length-1,d=b*c,e=Math.floor(d),g=TWEEN.Interpolation.Utils.Linear;return 0>c?g(a[0],a[1],d):1<c?g(a[b],a[b-1],b-d):g(a[e],a[e+1>b?b:e+1],d-e)},Bezier:function(a,c){var b=0,d=a.length-1,e=Math.pow,g=TWEEN.Interpolation.Utils.Bernstein,i;for(i=0;i<=d;i++)b+=e(1-c,d-i)*e(c,i)*a[i]*g(d,i);return b},CatmullRom:function(a,c){var b=a.length-1,d=b*c,e=Math.floor(d),g=TWEEN.Interpolation.Utils.CatmullRom;return a[0]===a[b]?(0>c&&(e=Math.floor(d=b*(1+c))),g(a[(e-
1+b)%b],a[e],a[(e+1)%b],a[(e+2)%b],d-e)):0>c?a[0]-(g(a[0],a[0],a[1],a[1],-d)-a[0]):1<c?a[b]-(g(a[b],a[b],a[b-1],a[b-1],d-b)-a[b]):g(a[e?e-1:0],a[e],a[b<e+1?b:e+1],a[b<e+2?b:e+2],d-e)},Utils:{Linear:function(a,c,b){return(c-a)*b+a},Bernstein:function(a,c){var b=TWEEN.Interpolation.Utils.Factorial;return b(a)/b(c)/b(a-c)},Factorial:function(){var a=[1];return function(c){var b=1,d;if(a[c])return a[c];for(d=c;1<d;d--)b*=d;return a[c]=b}}(),CatmullRom:function(a,c,b,d,e){var a=0.5*(b-a),d=0.5*(d-c),g=
e*e;return(2*c-2*b+a+d)*e*g+(-3*c+3*b-2*a-d)*g+a*e+c}}};