arcade-physics/lib/utils/array/Shuffle.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 });
exports.Shuffle = void 0;
/**
 * Shuffles the contents of the given array using the Fisher-Yates implementation.
 *
 * The original array is modified directly and returned.
 *
 * @function Phaser.Utils.Array.Shuffle
 * @since 3.0.0
 *
 * @generic T
 * @genericUse {T[]} - [array,$return]
 *
 * @param {T[]} array - The array to shuffle. This array is modified in place.
 *
 * @return {T[]} The shuffled array.
 */
const Shuffle = array => {
    for (let i = array.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        const temp = array[i];
        array[i] = array[j];
        array[j] = temp;
    }
    return array;
};
exports.Shuffle = Shuffle;
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