code: public void setLocation(double x, double y)
      {
          final double dx = x - (mover.getX() + offset.getX());
          final double dy = y - (mover.getY() + offset.getY());
          moveLocation(1, dx, dy);
      }
docs: Set the camera location.
  
  @param x The horizontal location.
  @param y The vertical location.