phaser/todo/TS Source/tweens/easing/Bounce.js

var Phaser;
(function (Phaser) {
    /// <reference path="../../_definitions.ts" />
    /**
    * @author       Richard Davey <rich@photonstorm.com>
    * @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) {
        /**
        * Bounce easing methods.
        *
        * @class Bounce
        */
        var Bounce = (function () {
            function Bounce() { }
            Bounce.In = /**
            * The In ease method.
            *
            * @method In
            * @param {Number} k The value to ease.
            * @return {Number} The eased value.
            */
            function In(k) {
                return 1 - Phaser.Easing.Bounce.Out(1 - k);
            };
            Bounce.Out = /**
            * The Out ease method.
            *
            * @method Out
            * @param {Number} k The value to ease.
            * @return {Number} The eased value.
            */
            function Out(k) {
                if(k < (1 / 2.75)) {
                    return 7.5625 * k * k;
                } else if(k < (2 / 2.75)) {
                    return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;
                } else if(k < (2.5 / 2.75)) {
                    return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;
                } else {
                    return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;
                }
            };
            Bounce.InOut = /**
            * The InOut ease method.
            *
            * @method InOut
            * @param {Number} k The value to ease.
            * @return {Number} The eased value.
            */
            function InOut(k) {
                if(k < 0.5) {
                    return Phaser.Easing.Bounce.In(k * 2) * 0.5;
                }
                return Phaser.Easing.Bounce.Out(k * 2 - 1) * 0.5 + 0.5;
            };
            return Bounce;
        })();
        Easing.Bounce = Bounce;        
    })(Phaser.Easing || (Phaser.Easing = {}));
    var Easing = Phaser.Easing;
})(Phaser || (Phaser = {}));