public void turnRight() {
		if(speedX > 0) {
			speedX = 0;
			speedY = -speedOfSnake;
		} else if(speedX < 0){
			speedX = 0;
			speedY = speedOfSnake;
		} else if(speedY > 0) {
			speedY = 0;
			speedX = speedOfSnake;
		} else if(speedY < 0) {
			speedY = 0;
			speedX = -speedOfSnake;
		}
	}