arcade-physics/lib/math/RandomXYZW.js

Use Arcade Physics without Phaser.

"use strict";
/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2020 Photon Storm Ltd.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Compute a random four-dimensional vector.
 *
 * @function Phaser.Math.RandomXYZW
 * @since 3.0.0
 *
 * @param {Phaser.Math.Vector4} vec4 - The Vector to compute random values for.
 * @param {number} [scale=1] - The scale of the random values.
 *
 * @return {Phaser.Math.Vector4} The given Vector.
 */
const RandomXYZW = (vec4, scale) => {
    if (scale === undefined) {
        scale = 1;
    }
    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;
};
exports.default = RandomXYZW;
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