phaser/src/math/distance/DistancePower.js
2018-02-12 16:01:21 +00:00

28 lines
718 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.Distance.Power
* @since 3.0.0
*
* @param {number} x1 - [description]
* @param {number} y1 - [description]
* @param {number} x2 - [description]
* @param {number} y2 - [description]
* @param {number} pow - [description]
*
* @return {number} [description]
*/
var DistancePower = function (x1, y1, x2, y2, pow)
{
if (pow === undefined) { pow = 2; }
return Math.sqrt(Math.pow(x2 - x1, pow) + Math.pow(y2 - y1, pow));
};
module.exports = DistancePower;