private void setHeadSprite() {
		if(direction.y() < 0) {
			snake.set(0, sprites[0]);
		} else if(direction.y() > 0) {
			snake.set(0, sprites[1]);
		} else if(direction.x() < 0) {
			snake.set(0, sprites[2]);
		} else if(direction.x() > 0) {
			snake.set(0, sprites[3]);
		}
	}