rot-js/lib/map/arena.js

A roguelike toolkit in JavaScript

import Map from "./map.js";
/**
 * @class Simple empty rectangular room
 * @augments ROT.Map
 */
export default class Arena extends Map {
    create(callback) {
        let w = this._width - 1;
        let h = this._height - 1;
        for (let i = 0; i <= w; i++) {
            for (let j = 0; j <= h; j++) {
                let empty = (i && j && i < w && j < h);
                callback(i, j, empty ? 0 : 1);
            }
        }
        return this;
    }
}