/*
 * Write a Critter called a sloth.
 * A Sloth is lazy. It always forfeits in a fight, and it eats
 * according to the boolean that was passed to the constructor.
 * It is gray and represented with an S. It usually moves North,
 * but every 3 moves it moves South.
 */
public class Sloth extends Critter {
	// Fields must be private.
	private boolean eat;
	private int count;
	
	// Store "magic numbers" in class constants.
	public static final int MOVE_INTERVAL = 3;

	// All classes must have a constructor.
	public Sloth(boolean eat) {
		this.eat = eat; // use "this" to refer to the field.
		this.count = 0;
	}

	public boolean eat() {
		// The following version of this method is bad:
		// if (eat == true) {
		//     return true;
		// } else {
		//     return false;
		// }
		// That example has bad boolean zen. Just returning "eat"
		// is the correct way to do it. See the book section
		// on boolean zen.
		return eat;
	}

	public Color getColor() {
		return Color.GRAY;
	}

	public Direction getMove() {
		count++;
		if (count % MOVE_INTERVAL == 0) {
			return Direction.NORTH;
		} else {
			return Direction.SOUTH;
		}
	}

	public String toString() {
		return "S";
	}

}