/// /** * @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 */ module Phaser.Easing { /** * Quintic easing methods. * * @class Quintic */ export class Quintic { /** * The In ease method. * * @method In * @param {Number} k The value to ease. * @return {Number} The eased value. */ public static In(k) { return k * k * k * k * k; } /** * The Out ease method. * * @method Out * @param {Number} k The value to ease. * @return {Number} The eased value. */ public static Out(k) { return --k * k * k * k * k + 1; } /** * The InOut ease method. * * @method InOut * @param {Number} k The value to ease. * @return {Number} The eased value. */ public static InOut(k) { if ((k *= 2) < 1) return 0.5 * k * k * k * k * k; return 0.5 * ((k -= 2) * k * k * k * k + 2); } } }