var Phaser; (function (Phaser) { /// /** * @author Richard Davey * @author sole (http://soledadpenades.com), tween.js * @copyright 2013 Photon Storm Ltd. * @license https://github.com/photonstorm/phaser/blob/master/license.txt MIT License * @module Phaser */ (function (Easing) { /** * Back easing methods. * * @class Back */ var Back = (function () { function Back() { } Back.In = /** * The In ease method. * * @method In * @param {Number} k The value to ease. * @return {Number} The eased value. */ function In(k) { var s = 1.70158; return k * k * ((s + 1) * k - s); }; Back.Out = /** * The Out ease method. * * @method Out * @param {Number} k The value to ease. * @return {Number} The eased value. */ function Out(k) { var s = 1.70158; return --k * k * ((s + 1) * k + s) + 1; }; Back.InOut = /** * The InOut ease method. * * @method InOut * @param {Number} k The value to ease. * @return {Number} The eased value. */ function InOut(k) { var s = 1.70158 * 1.525; if((k *= 2) < 1) { return 0.5 * (k * k * ((s + 1) * k - s)); } return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2); }; return Back; })(); Easing.Back = Back; })(Phaser.Easing || (Phaser.Easing = {})); var Easing = Phaser.Easing; })(Phaser || (Phaser = {}));