code: public void movePov(double deltaX, double deltaY) {
  		if (null != targetRectangle) {
  			targetRectangle.getBounds().translate(deltaX, deltaY);
  			render(targetRectangle, RenderGroup.SCREEN, RenderStatus.UPDATE);
  
  		} else if (null != targetReticle) {
  			targetReticle.getBounds().translate(deltaX, deltaY);
  			render(targetReticle, RenderGroup.SCREEN, RenderStatus.UPDATE);
  		}
  		// else not initialized
  	}
docs: Move the Point of view (rectangle or reticle) to a new location. This does not update the target map!
  
  @param deltaX
  horizontal amount the pov should be moved from current location: screen view coordinate!
  @param deltaY
  vertical amount the pov should be moved from current location: screen view coordinate!