lib/rotjs-library/src/map/arena.js

/**
 * @class Simple empty rectangular room
 * @augments ROT.Map
 */
ROT.Map.Arena = function(width, height) {
	ROT.Map.call(this, width, height);
}
ROT.Map.Arena.extend(ROT.Map);

ROT.Map.Arena.prototype.create = function(callback) {
	var w = this._width-1;
	var h = this._height-1;
	for (var i=0;i<=w;i++) {
		for (var j=0;j<=h;j++) {
			var empty = (i && j && i<w && j<h);
			callback(i, j, empty ? 0 : 1);
		}
	}
	return this;
}