public void reverseDirection() {
		if (this.getDirection() == 0) {
			this.setDirection(2);
		} else if (this.getDirection() == 1) {
			this.setDirection(3);
		} else if (this.getDirection() == 2) {
			this.setDirection(0);
		} else if (this.getDirection() == 3) {
			this.setDirection(1);
		} else {
			
		}
	}