Orientation.java

package Q16_22_Langtons_Ant;

public enum Orientation {
	left, up, right, down;
	
	public Orientation getTurn(boolean clockwise) {
		if (this == left) {
			return clockwise ? up : down;
		} else if (this == up) {
			return clockwise ? right : left;
		} else if (this == right) {
			return clockwise ? down : up;
		} else { // down
			return clockwise ? left : right;
		}
	}
	
	@Override
	public String toString() {
		if (this == left) {
			return "\u2190";
		} else if (this == up) {
			return "\u2191";
		} else if (this == right) {
			return "\u2192";
		} else { // down
			return "\u2193";
		}			
	}
}