public void mouseMoved(MouseEvent e) {
if ((e.getX() > PADDLE_WIDTH / 2) && (e.getX() < WIDTH - PADDLE_WIDTH / 2)) {
double x = e.getX() - PADDLE_WIDTH / 2;
double y = HEIGHT - BRICK_Y_OFFSET - PADDLE_HEIGHT;
paddle.setLocation(x, y);
}
}
