code: function (target) {
              var bounds = target.getBounds();
              this.moveTo(
                  target.pos.x + bounds.pos.x + (bounds.width / 2),
                  target.pos.y + bounds.pos.y + (bounds.height / 2)
              );
          }
docs: set the camera position around the specified object
  @name focusOn
  @memberOf me.Camera2d
  @function
  @param {me.Renderable}