code: protected Rectangle getRadialMenuBounds (SceneObject scobj)
      {
          Rectangle mbounds = new Rectangle(scobj.bounds);
          Dimension radbox = getObjectRadialSize();
          if (mbounds.width != radbox.width) {
              mbounds.x += (mbounds.width-radbox.width)/2;
              mbounds.width = radbox.width;
          }
          if (mbounds.height != radbox.height) {
              mbounds.y += (mbounds.height-radbox.height)/2;
              mbounds.height = radbox.height;
          }
          return mbounds;
      }
docs: Returns an appropriate set of menu bounds for the specified object. Returns a rectangle of
  the size specified by {@link #getObjectRadialSize} centered around the object.