Fork自 ylwdev / 2024年会抽奖
"use strict";var TWEEN=TWEEN||(function(){var b=[];return{REVISION:"7",getAll:function(){return b},removeAll:function(){b=[]},add:function(a){b.push(a)},remove:function(a){a=b.indexOf(a);-1!==a&&b.splice(a,1)},update:function(f){if(0===b.length){return !1}for(var a=0,e=b.length,f=void 0!==f?f:Date.now();a<e;){b[a].update(f)?a++:(b.splice(a,1),e--)}return !0}}})();TWEEN.Tween=function(A){var y={},z={},x=1000,w=0,v=null,u=TWEEN.Easing.Linear.None,g=TWEEN.Interpolation.Linear,t=[],q=null,o=!1,j=null,B=null,i=null;this.to=function(b,d){null!==d&&(x=d);z=b;return this};this.start=function(b){TWEEN.add(this);o=!1;v=void 0!==b?b:Date.now();v+=w;for(var a in z){if(null!==A[a]){if(z[a] instanceof Array){if(0===z[a].length){continue}z[a]=[A[a]].concat(z[a])}y[a]=A[a]}}return this};this.stop=function(){TWEEN.remove(this);B&&B.call(this);return this};this.delay=function(b){w=b;return this};this.easing=function(b){u=b;return this};this.interpolation=function(b){g=b;return this};this.chain=function(){t=arguments;return this};this.onStart=function(b){q=b;return this};this.onStop=function(b){B=b;return this};this.onUpdate=function(b){j=b;return this};this.onComplete=function(b){i=b;return this};this.update=function(h){if(h<v){return !0}!1===o&&(null!==q&&q.call(A),(o=!0));var d=(h-v)/x,d=1<d?1:d,b=u(d),a;for(a in y){var c=y[a],f=z[a];A[a]=f instanceof Array?g(f,b):c+(f-c)*b}null!==j&&j.call(A,b);if(1==d){null!==i&&i.call(A);d=0;for(b=t.length;d<b;d++){t[d].start(h)}return !1}return !0}};TWEEN.Easing={Linear:{None:function(b){return b}},Quadratic:{In:function(b){return b*b},Out:function(b){return b*(2-b)},InOut:function(b){return 1>(b*=2)?0.5*b*b:-0.5*(--b*(b-2)-1)}},Cubic:{In:function(b){return b*b*b},Out:function(b){return --b*b*b+1},InOut:function(b){return 1>(b*=2)?0.5*b*b*b:0.5*((b-=2)*b*b+2)}},Quartic:{In:function(b){return b*b*b*b},Out:function(b){return 1- --b*b*b*b},InOut:function(b){return 1>(b*=2)?0.5*b*b*b*b:-0.5*((b-=2)*b*b*b-2)}},Quintic:{In:function(b){return b*b*b*b*b},Out:function(b){return --b*b*b*b*b+1},InOut:function(b){return 1>(b*=2)?0.5*b*b*b*b*b:0.5*((b-=2)*b*b*b*b+2)}},Sinusoidal:{In:function(b){return 1-Math.cos((b*Math.PI)/2)},Out:function(b){return Math.sin((b*Math.PI)/2)},InOut:function(b){return 0.5*(1-Math.cos(Math.PI*b))}},Exponential:{In:function(b){return 0===b?0:Math.pow(1024,b-1)},Out:function(b){return 1===b?1:1-Math.pow(2,-10*b)},InOut:function(b){return 0===b?0:1===b?1:1>(b*=2)?0.5*Math.pow(1024,b-1):0.5*(-Math.pow(2,-10*(b-1))+2)}},Circular:{In:function(b){return 1-Math.sqrt(1-b*b)},Out:function(b){return Math.sqrt(1- --b*b)},InOut:function(b){return 1>(b*=2)?-0.5*(Math.sqrt(1-b*b)-1):0.5*(Math.sqrt(1-(b-=2)*b)+1)}},Elastic:{In:function(e){var f,d=0.1;if(0===e){return 0}if(1===e){return 1}!d||1>d?((d=1),(f=0.1)):(f=(0.4*Math.asin(1/d))/(2*Math.PI));return -(d*Math.pow(2,10*(e-=1))*Math.sin(((e-f)*2*Math.PI)/0.4))},Out:function(e){var f,d=0.1;if(0===e){return 0}if(1===e){return 1}!d||1>d?((d=1),(f=0.1)):(f=(0.4*Math.asin(1/d))/(2*Math.PI));return(d*Math.pow(2,-10*e)*Math.sin(((e-f)*2*Math.PI)/0.4)+1)},InOut:function(e){var f,d=0.1;if(0===e){return 0}if(1===e){return 1}!d||1>d?((d=1),(f=0.1)):(f=(0.4*Math.asin(1/d))/(2*Math.PI));return 1>(e*=2)?-0.5*d*Math.pow(2,10*(e-=1))*Math.sin(((e-f)*2*Math.PI)/0.4):0.5*d*Math.pow(2,-10*(e-=1))*Math.sin(((e-f)*2*Math.PI)/0.4)+1}},Back:{In:function(b){return b*b*(2.70158*b-1.70158)},Out:function(b){return --b*b*(2.70158*b+1.70158)+1},InOut:function(b){return 1>(b*=2)?0.5*b*b*(3.5949095*b-2.5949095):0.5*((b-=2)*b*(3.5949095*b+2.5949095)+2)}},Bounce:{In:function(b){return 1-TWEEN.Easing.Bounce.Out(1-b)},Out:function(b){return b<1/2.75?7.5625*b*b:b<2/2.75?7.5625*(b-=1.5/2.75)*b+0.75:b<2.5/2.75?7.5625*(b-=2.25/2.75)*b+0.9375:7.5625*(b-=2.625/2.75)*b+0.984375},InOut:function(b){return 0.5>b?0.5*TWEEN.Easing.Bounce.In(2*b):0.5*TWEEN.Easing.Bounce.Out(2*b-1)+0.5}}};TWEEN.Interpolation={Linear:function(h,l){var g=h.length-1,k=g*l,j=Math.floor(k),i=TWEEN.Interpolation.Utils.Linear;return 0>l?i(h[0],h[1],k):1<l?i(h[g],h[g-1],g-k):i(h[j],h[j+1>g?g:j+1],k-j)},Bezier:function(i,n){var g=0,m=i.length-1,l=Math.pow,k=TWEEN.Interpolation.Utils.Bernstein,j;for(j=0;j<=m;j++){g+=l(1-n,m-j)*l(n,j)*i[j]*k(m,j)}return g},CatmullRom:function(h,l){var g=h.length-1,k=g*l,j=Math.floor(k),i=TWEEN.Interpolation.Utils.CatmullRom;return h[0]===h[g]?(0>l&&(j=Math.floor((k=g*(1+l)))),i(h[(j-1+g)%g],h[j],h[(j+1)%g],h[(j+2)%g],k-j)):0>l?h[0]-(i(h[0],h[0],h[1],h[1],-k)-h[0]):1<l?h[g]-(i(h[g],h[g],h[g-1],h[g-1],k-g)-h[g]):i(h[j?j-1:0],h[j],h[g<j+1?g:j+1],h[g<j+2?g:j+2],k-j)},Utils:{Linear:function(e,f,d){return(f-e)*d+e},Bernstein:function(e,f){var d=TWEEN.Interpolation.Utils.Factorial;return d(e)/d(f)/d(e-f)},Factorial:(function(){var b=[1];return function(f){var a=1,e;if(b[f]){return b[f]}for(e=f;1<e;e--){a*=e}return(b[f]=a)}})(),CatmullRom:function(h,l,g,k,j){var h=0.5*(g-h),k=0.5*(k-l),i=j*j;return((2*l-2*g+h+k)*j*i+(-3*l+3*g-2*h-k)*i+h*j+l)}}};
