code: function () {
              var self = this;
  
              // add all defined cameras
              this.settings.cameras.forEach(function(camera) {
                  self.cameras.set(camera.name, camera);
              });
  
              // empty or no default camera
              if (this.cameras.has("default") === false) {
                  if (typeof default_camera === "undefined") {
                      var width = me.video.renderer.getWidth();
                      var height = me.video.renderer.getHeight();
                      // new default camera instance
                      default_camera = new me.Camera2d(0, 0, width, height);
                  }
                  this.cameras.set("default", default_camera);
              }
  
              // reset the game manager
              me.game.reset();
  
              // call the onReset Function
              this.onResetEvent.apply(this, arguments);
          }
docs: Object reset function
  @ignore