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

30 lines
680 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.RandomXY
* @since 3.0.0
*
* @param {Phaser.Math.Vector2} vector - [description]
* @param {float} scale - [description]
*
* @return {Phaser.Math.Vector2} [description]
*/
var RandomXY = function (vector, scale)
{
if (scale === undefined) { scale = 1; }
var r = Math.random() * 2 * Math.PI;
vector.x = Math.cos(r) * scale;
vector.y = Math.sin(r) * scale;
return vector;
};
module.exports = RandomXY;