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168
lib/easing/easing.js
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168
lib/easing/easing.js
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/*
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* jQuery Easing v1.4.1 - http://gsgd.co.uk/sandbox/jquery/easing/
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* Open source under the BSD License.
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* Copyright © 2008 George McGinley Smith
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* All rights reserved.
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* https://raw.github.com/gdsmith/jquery-easing/master/LICENSE
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*/
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(function (factory) {
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if (typeof define === "function" && define.amd) {
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define(['jquery'], function ($) {
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return factory($);
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});
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} else if (typeof module === "object" && typeof module.exports === "object") {
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exports = factory(require('jquery'));
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} else {
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factory(jQuery);
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}
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})(function($){
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// Preserve the original jQuery "swing" easing as "jswing"
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if (typeof $.easing !== 'undefined') {
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$.easing['jswing'] = $.easing['swing'];
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}
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var pow = Math.pow,
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sqrt = Math.sqrt,
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sin = Math.sin,
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cos = Math.cos,
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PI = Math.PI,
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c1 = 1.70158,
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c2 = c1 * 1.525,
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c3 = c1 + 1,
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c4 = ( 2 * PI ) / 3,
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c5 = ( 2 * PI ) / 4.5;
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// x is the fraction of animation progress, in the range 0..1
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function bounceOut(x) {
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var n1 = 7.5625,
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d1 = 2.75;
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if ( x < 1/d1 ) {
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return n1*x*x;
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} else if ( x < 2/d1 ) {
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return n1*(x-=(1.5/d1))*x + .75;
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} else if ( x < 2.5/d1 ) {
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return n1*(x-=(2.25/d1))*x + .9375;
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} else {
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return n1*(x-=(2.625/d1))*x + .984375;
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}
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}
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$.extend( $.easing,
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{
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def: 'easeOutQuad',
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swing: function (x) {
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return $.easing[$.easing.def](x);
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},
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easeInQuad: function (x) {
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return x * x;
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},
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easeOutQuad: function (x) {
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return 1 - ( 1 - x ) * ( 1 - x );
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},
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easeInOutQuad: function (x) {
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return x < 0.5 ?
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2 * x * x :
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1 - pow( -2 * x + 2, 2 ) / 2;
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},
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easeInCubic: function (x) {
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return x * x * x;
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},
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easeOutCubic: function (x) {
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return 1 - pow( 1 - x, 3 );
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},
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easeInOutCubic: function (x) {
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return x < 0.5 ?
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4 * x * x * x :
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1 - pow( -2 * x + 2, 3 ) / 2;
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},
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easeInQuart: function (x) {
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return x * x * x * x;
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},
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easeOutQuart: function (x) {
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return 1 - pow( 1 - x, 4 );
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},
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easeInOutQuart: function (x) {
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return x < 0.5 ?
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8 * x * x * x * x :
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1 - pow( -2 * x + 2, 4 ) / 2;
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},
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easeInQuint: function (x) {
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return x * x * x * x * x;
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},
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easeOutQuint: function (x) {
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return 1 - pow( 1 - x, 5 );
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},
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easeInOutQuint: function (x) {
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return x < 0.5 ?
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16 * x * x * x * x * x :
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1 - pow( -2 * x + 2, 5 ) / 2;
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},
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easeInSine: function (x) {
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return 1 - cos( x * PI/2 );
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},
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easeOutSine: function (x) {
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return sin( x * PI/2 );
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},
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easeInOutSine: function (x) {
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return -( cos( PI * x ) - 1 ) / 2;
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},
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easeInExpo: function (x) {
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return x === 0 ? 0 : pow( 2, 10 * x - 10 );
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},
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easeOutExpo: function (x) {
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return x === 1 ? 1 : 1 - pow( 2, -10 * x );
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},
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easeInOutExpo: function (x) {
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return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
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pow( 2, 20 * x - 10 ) / 2 :
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( 2 - pow( 2, -20 * x + 10 ) ) / 2;
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},
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easeInCirc: function (x) {
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return 1 - sqrt( 1 - pow( x, 2 ) );
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},
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easeOutCirc: function (x) {
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return sqrt( 1 - pow( x - 1, 2 ) );
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},
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easeInOutCirc: function (x) {
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return x < 0.5 ?
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( 1 - sqrt( 1 - pow( 2 * x, 2 ) ) ) / 2 :
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( sqrt( 1 - pow( -2 * x + 2, 2 ) ) + 1 ) / 2;
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},
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easeInElastic: function (x) {
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return x === 0 ? 0 : x === 1 ? 1 :
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-pow( 2, 10 * x - 10 ) * sin( ( x * 10 - 10.75 ) * c4 );
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},
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easeOutElastic: function (x) {
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return x === 0 ? 0 : x === 1 ? 1 :
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pow( 2, -10 * x ) * sin( ( x * 10 - 0.75 ) * c4 ) + 1;
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},
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easeInOutElastic: function (x) {
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return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
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-( pow( 2, 20 * x - 10 ) * sin( ( 20 * x - 11.125 ) * c5 )) / 2 :
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pow( 2, -20 * x + 10 ) * sin( ( 20 * x - 11.125 ) * c5 ) / 2 + 1;
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},
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easeInBack: function (x) {
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return c3 * x * x * x - c1 * x * x;
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},
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easeOutBack: function (x) {
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return 1 + c3 * pow( x - 1, 3 ) + c1 * pow( x - 1, 2 );
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},
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easeInOutBack: function (x) {
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return x < 0.5 ?
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( pow( 2 * x, 2 ) * ( ( c2 + 1 ) * 2 * x - c2 ) ) / 2 :
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( pow( 2 * x - 2, 2 ) *( ( c2 + 1 ) * ( x * 2 - 2 ) + c2 ) + 2 ) / 2;
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},
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easeInBounce: function (x) {
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return 1 - bounceOut( 1 - x );
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},
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easeOutBounce: bounceOut,
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easeInOutBounce: function (x) {
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return x < 0.5 ?
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( 1 - bounceOut( 1 - 2 * x ) ) / 2 :
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( 1 + bounceOut( 2 * x - 1 ) ) / 2;
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}
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});
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});
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1
lib/easing/easing.min.js
vendored
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1
lib/easing/easing.min.js
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!function(n){"function"==typeof define&&define.amd?define(["jquery"],function(e){return n(e)}):"object"==typeof module&&"object"==typeof module.exports?exports=n(require("jquery")):n(jQuery)}(function(n){function e(n){var e=7.5625,t=2.75;return n<1/t?e*n*n:n<2/t?e*(n-=1.5/t)*n+.75:n<2.5/t?e*(n-=2.25/t)*n+.9375:e*(n-=2.625/t)*n+.984375}void 0!==n.easing&&(n.easing.jswing=n.easing.swing);var t=Math.pow,u=Math.sqrt,r=Math.sin,i=Math.cos,a=Math.PI,c=1.70158,o=1.525*c,s=2*a/3,f=2*a/4.5;n.extend(n.easing,{def:"easeOutQuad",swing:function(e){return n.easing[n.easing.def](e)},easeInQuad:function(n){return n*n},easeOutQuad:function(n){return 1-(1-n)*(1-n)},easeInOutQuad:function(n){return n<.5?2*n*n:1-t(-2*n+2,2)/2},easeInCubic:function(n){return n*n*n},easeOutCubic:function(n){return 1-t(1-n,3)},easeInOutCubic:function(n){return n<.5?4*n*n*n:1-t(-2*n+2,3)/2},easeInQuart:function(n){return n*n*n*n},easeOutQuart:function(n){return 1-t(1-n,4)},easeInOutQuart:function(n){return n<.5?8*n*n*n*n:1-t(-2*n+2,4)/2},easeInQuint:function(n){return n*n*n*n*n},easeOutQuint:function(n){return 1-t(1-n,5)},easeInOutQuint:function(n){return n<.5?16*n*n*n*n*n:1-t(-2*n+2,5)/2},easeInSine:function(n){return 1-i(n*a/2)},easeOutSine:function(n){return r(n*a/2)},easeInOutSine:function(n){return-(i(a*n)-1)/2},easeInExpo:function(n){return 0===n?0:t(2,10*n-10)},easeOutExpo:function(n){return 1===n?1:1-t(2,-10*n)},easeInOutExpo:function(n){return 0===n?0:1===n?1:n<.5?t(2,20*n-10)/2:(2-t(2,-20*n+10))/2},easeInCirc:function(n){return 1-u(1-t(n,2))},easeOutCirc:function(n){return u(1-t(n-1,2))},easeInOutCirc:function(n){return n<.5?(1-u(1-t(2*n,2)))/2:(u(1-t(-2*n+2,2))+1)/2},easeInElastic:function(n){return 0===n?0:1===n?1:-t(2,10*n-10)*r((10*n-10.75)*s)},easeOutElastic:function(n){return 0===n?0:1===n?1:t(2,-10*n)*r((10*n-.75)*s)+1},easeInOutElastic:function(n){return 0===n?0:1===n?1:n<.5?-(t(2,20*n-10)*r((20*n-11.125)*f))/2:t(2,-20*n+10)*r((20*n-11.125)*f)/2+1},easeInBack:function(n){return(c+1)*n*n*n-c*n*n},easeOutBack:function(n){return 1+(c+1)*t(n-1,3)+c*t(n-1,2)},easeInOutBack:function(n){return n<.5?t(2*n,2)*(7.189819*n-o)/2:(t(2*n-2,2)*((o+1)*(2*n-2)+o)+2)/2},easeInBounce:function(n){return 1-e(1-n)},easeOutBounce:e,easeInOutBounce:function(n){return n<.5?(1-e(1-2*n))/2:(1+e(2*n-1))/2}})});
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