phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
26 lines (22 loc) • 610 B
JavaScript
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2018 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* [description]
*
* @function Phaser.Math.Easing.Back.In
* @since 3.0.0
*
* @param {number} v - [description]
* @param {number} [overshoot=1.70158] - [description]
*
* @return {number} [description]
*/
var In = function (v, overshoot)
{
if (overshoot === undefined) { overshoot = 1.70158; }
return v * v * ((overshoot + 1) * v - overshoot);
};
module.exports = In;