WebRoot/qtimages/lib/easing/easing.js

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/*
 * jQuery Easing v1.4.1 - http://gsgd.co.uk/sandbox/jquery/easing/
 * Open source under the BSD License.
 * Copyright © 2008 George McGinley Smith
 * All rights reserved.
 * https://raw.github.com/gdsmith/jquery-easing/master/LICENSE
*/

(function (factory) {
	if (typeof define === "function" && define.amd) {
		define(['jquery'], function ($) {
			return factory($);
		});
	} else if (typeof module === "object" && typeof module.exports === "object") {
		exports = factory(require('jquery'));
	} else {
		factory(jQuery);
	}
})(function($){

// Preserve the original jQuery "swing" easing as "jswing"
if (typeof $.easing !== 'undefined') {
	$.easing['jswing'] = $.easing['swing'];
}

var pow = Math.pow,
	sqrt = Math.sqrt,
	sin = Math.sin,
	cos = Math.cos,
	PI = Math.PI,
	c1 = 1.70158,
	c2 = c1 * 1.525,
	c3 = c1 + 1,
	c4 = ( 2 * PI ) / 3,
	c5 = ( 2 * PI ) / 4.5;

// x is the fraction of animation progress, in the range 0..1
function bounceOut(x) {
	var n1 = 7.5625,
		d1 = 2.75;
	if ( x < 1/d1 ) {
		return n1*x*x;
	} else if ( x < 2/d1 ) {
		return n1*(x-=(1.5/d1))*x + .75;
	} else if ( x < 2.5/d1 ) {
		return n1*(x-=(2.25/d1))*x + .9375;
	} else {
		return n1*(x-=(2.625/d1))*x + .984375;
	}
}

$.extend( $.easing,
{
	def: 'easeOutQuad',
	swing: function (x) {
		return $.easing[$.easing.def](x);
	},
	easeInQuad: function (x) {
		return x * x;
	},