public void KeyboardGestion(KeyEvent event) {
		if (event.getKeyCode() == KeyEvent.VK_RIGHT) { // touche flche droite
            this.snake.setDemand(Direction.RIGHT);
		} else if (event.getKeyCode() == KeyEvent.VK_LEFT) { // touche flche gauche
            this.snake.setDemand(Direction.LEFT);
		} else if (event.getKeyCode() == KeyEvent.VK_UP) { // touche flche haut
            this.snake.setDemand(Direction.HIGH);
		} else if (event.getKeyCode() == KeyEvent.VK_DOWN) { // touche flche bas
            this.snake.setDemand(Direction.LOW);
		}
	}