code: private void addPoint(Vector2f pt) {
  		if (holes == null) {
  			Point p = getPoint(pt);
  			contour.add(p);
  		} else {
  			Point p = getPoint(pt);
  			holes.add(p);
  		}
  	}
docs: Add a defined point to the current contour
  
  @param pt The point to add