game map settings object

game_map.js

define([
'/dev/js/main.js',
'/dev/js/types.js',
'async!http://maps.googleapis.com/maps/api/js?sensor=false&libraries=places',
rmod('maps'),
rmod('common'),
rmod('dynamic')],function(main, types, google_maps, maps, common, dynamic){
  return function(config, game_config, gmap_config) {
    this.default_settings = {
      element_id: null
    }
    var _settings = $.extend(this.settings, config);
    
    this.default_game = {
      center: {
        latitude: game_default_center.latitude,
        longitude: game_default_center.longitude
      },
      radius: game_default_radius
    };
    var _game = new game($.extend(true, this.default_game, game_config));
    
    this.gmap_default_options = {
      zoom: 11,
      minZoom: 9,
      maxZoom: 15,
      streetViewControl: false,
      backgroundColor: "#FFFFFF",
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var _gmap_options = $.extend(this.gmap_default_options, gmap_config);
    _gmap_options.center = maps.position_to_LatLng(_game.center);
    if(!common.is_empty(_settings.element_id)) {
      _gmap = new google.maps.Map(document.getElementById(_settings.element_id), _gmap_options);
    } else {
      _gmap = null;
    }
    
    var _radius_options = {
      strokeColor: '#112233',
      strokeOpacity: 0.75,
      strokeWeight: 1,
      fillColor: '#AABBCC',
      fillOpacity: 0.33,
      map: _gmap,
      center: _gmap.center,
      radius: parseInt(_game.radius),
      draggable:true
    };
    
    var _bounds_circle = new google.maps.Circle(_radius_options);
    
    this.add_listener = function(evt, fn) {
      google.maps.event.addListener(_gmap, evt, fn);
      if(evt == 'click') {
        google.maps.event.addListener(_bounds_circle, evt, fn);
      }
    }
    
    this.get_radius = function() {
      return _game.radius;
    }
    
    this.get_center = function() {
      return maps.position_to_LatLng(_game.center);
    }
    
    this.get_latitude = function() {
      return _game.center.latitude;
    }
    
    this.get_longitude = function() {
      return _game.center.longitude;
    }
    
    this.get_zoom = function() {
      return _gmap.getZoom();
    }
    
    function _set_radius(meters) {
      _game.radius = meters;
      return _bounds_circle.setRadius(meters);
    }
    
    function _set_center(latlng) {
      _game.center = maps.LatLng_to_position(latlng);
      return _bounds_circle.setCenter(latlng);
    }
    
    function _set_latitude(lat) {
      return _set_center(new google.maps.LatLng(lat, _game.center.longitude));
    }
    
    function _set_longitude(lng) {
      return _set_center(new google.maps.LatLng(_game.center.latitude, lng));
    }
    
    this.set_radius = dynamic.animated_setter(this, 'radius', this.get_radius, _set_radius);
    this.set_longitude = dynamic.animated_setter(this, 'center', this.get_longitude, _set_longitude);
    this.set_latitude = dynamic.animated_setter(this, 'center', this.get_latitude, _set_latitude);
    this.set_center = function(latlng, animated, easing, callback) {
      this.set_latitude(latlng.lat(), animated, easing, callback);
      this.set_longitude(latlng.lng(), animated, easing, callback);
      _gmap.panTo(latlng);
    }
    
  }
});