phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
23 lines (20 loc) • 655 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}
*/
/**
* Tests the value and returns `true` if it is a power of two.
*
* @function Phaser.Math.Pow2.IsValuePowerOfTwo
* @since 3.0.0
*
* @param {number} value - The value to check if it's a power of two.
*
* @return {boolean} Returns `true` if `value` is a power of two, otherwise `false`.
*/
var IsValuePowerOfTwo = function (value)
{
return (value > 0 && (value & (value - 1)) === 0);
};
module.exports = IsValuePowerOfTwo;