namespace Tickypip
{
	public class DirectionUtil
	{
		public static Direction[] sDirections =
		{
			Direction.South,
			Direction.West,
			Direction.North,
			Direction.East
		};

		public static Direction Opposite(Direction dir)
		{
			return sDirections[(int)dir];
		}

		public static Direction RotateLeft(Direction dir)
		{
			return dir == Direction.North ? Direction.West : dir - 1;
		}

		public static Direction RotateRight(Direction dir)
		{
			return dir + 1 == Direction.Count ? Direction.North : dir + 1;
		}
	}
}