phaser/v3/src/math/RandomXYZW.js

/**
 * [description]
 *
 * @function Phaser.Math.RandomXYZW
 * @since 3.0.0
 *
 * @param {Phaser.Math.Vector4} vec4 - [description]
 * @param {float} [scale=1] - [description]
 *
 * @return {Phaser.Math.Vector4} [description]
 */
var RandomXYZW = function (vec4, scale)
{
    if (scale === undefined) { scale = 1; }

    // Not spherical; should fix this for more uniform distribution
    vec4.x = (Math.random() * 2 - 1) * scale;
    vec4.y = (Math.random() * 2 - 1) * scale;
    vec4.z = (Math.random() * 2 - 1) * scale;
    vec4.w = (Math.random() * 2 - 1) * scale;

    return vec4;
};

module.exports = RandomXYZW;