/**
* set relative position to super object if set
*
* @param xPos relative x position
* @param yPos relative y position
*/
public void setRelativePosition(float relX, float relY) {
this.relX = relX;
this.relY = relY;
if (superDrawable != null) {
superDrawable.recalculatePositions();
}
onRelativePositionUpdate();
}
