/**
                         * @description
                         *
                         * CG.MapTileLayer
                         *
                         * @class CG.MapTileLayer
                         * @extends Class
                         */
                        CG.Class.extend('MapTileLayer', {
                            /**
                             * @constructor
                             * @method init
                             * @return {*}
                             */
                            init:function () {
                                /**
                                 * @property width
                                 * @type {Number}
                                 */
                                this.width = 0
                                /**
                                 * @property height
                                 * @type {Number}
                                 */
                                this.height = 0
                                /**
                                 * @property visible
                                 * @type {Boolean}
                                 */
                                this.visible = true
                                /**
                                 * @property opacity
                                 * @type {Number}
                                 */
                                this.opacity = 1
                                /**
                                 * @property tiles
                                 * @type {Array}
                                 */
                                this.tiles = []
                                return this
                            }
                        })