easing.min.js

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(a*=2)<1?.5*a*a:-.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(a*=2)<1?.5*a*a*a:.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(a*=2)<1?.5*a*a*a*a:-.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(a*=2)<1?.5*a*a*a*a*a:.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.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:(a*=2)<1?.5*Math.pow(1024,a-1):.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(a*=2)<1?-.5*(Math.sqrt(1-a*a)-1):.5*(Math.sqrt(1-(a-=2)*a)+1)}},Elastic:{In:function(a){return 0===a?0:1===a?1:-Math.pow(2,10*(a-1))*Math.sin(5*(a-1.1)*Math.PI)},Out:function(a){return 0===a?0:1===a?1:Math.pow(2,-10*a)*Math.sin(5*(a-.1)*Math.PI)+1},InOut:function(a){return 0===a?0:1===a?1:(a*=2,a<1?-.5*Math.pow(2,10*(a-1))*Math.sin(5*(a-1.1)*Math.PI):.5*Math.pow(2,-10*(a-1))*Math.sin(5*(a-1.1)*Math.PI)+1)}},Back:{In:function(a){var b=1.70158;return a*a*((b+1)*a-b)},Out:function(a){var b=1.70158;return--a*a*((b+1)*a+b)+1},InOut:function(a){var b=2.5949095;return(a*=2)<1?.5*(a*a*((b+1)*a-b)):.5*((a-=2)*a*((b+1)*a+b)+2)}},Bounce:{In:function(a){return 1-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+.75:a<2.5/2.75?7.5625*(a-=2.25/2.75)*a+.9375:7.5625*(a-=2.625/2.75)*a+.984375},InOut:function(a){return a<.5?.5*Easing.Bounce.In(2*a):.5*Easing.Bounce.Out(2*a-1)+.5}}};