code: function (newX, newY) {
              this._super(me.Renderable, "updateBoundsPos", [ newX, newY ]);
  
              // Update container's absolute position
              this._absPos.set(newX, newY);
              if (this.ancestor instanceof me.Container && !this.floating) {
                  this._absPos.add(this.ancestor._absPos);
              }
  
              // Notify children that the parent's position has changed
              for (var i = this.children.length, child; i--, (child = this.children[i]);) {
                  if (child.isRenderable) {
                      child.updateBoundsPos(child.pos.x, child.pos.y);
                  }
              }
  
              return this.getBounds();
          }
docs: update the renderable's bounding rect (private)
  @private
  @name updateBoundsPos
  @memberOf me.Container.prototype
  @function