public void keyPressed(KeyEvent e) {
		int key = e.getKeyCode();
		if (key == KeyEvent.VK_LEFT)
		{		dx = -1;
				}
		
		if (key == KeyEvent.VK_RIGHT) {
			dx = 1;
		}
		
		if (key == KeyEvent.VK_UP) {
			dy = -1;
		}
		
		if (key == KeyEvent.VK_DOWN) {
			dy = 1;	
		}

}