public void keyPressed(KeyEvent kEvent) {
		if(kEvent.getKeyCode() == kEvent.VK_ESCAPE){
			System.exit(0);
		}
		if (kEvent.getKeyCode() == kEvent.VK_LEFT){
			if(playSpeed> 0.25){
				playSpeed = playSpeed/2;
			}
		}
		if (kEvent.getKeyCode() == kEvent.VK_RIGHT){
			if (playSpeed < 4){
				playSpeed = playSpeed*2;
			}
		}
	}