Direction.cs

using Microsoft.Xna.Framework;

namespace Techarria
{
	public class Direction
    {
        public static readonly Direction Left = new(-1, 0);
        public static readonly Direction Right = new(1, 0);
        public static readonly Direction Up = new(0, -1);
        public static readonly Direction Down = new(0, 1);

        public Point point;
        public int num;


        public static Direction[] directions()
        {
            return new Direction[4] { new Direction(0), new Direction(1), new Direction(2), new Direction(3) };
        }

        public Direction(Point p)
        {
            point = p;

            if (p.X == 1) num = 0;
            if (p.X == -1) num = 2;
            if (p.Y == 1) num = 1;
            if (p.Y == -1) num = 3;

        }

        public static implicit operator Direction(Point p) => new(p);
        public static implicit operator Point(Direction d) => d.point;

        public Direction(int x, int y) => new Direction(new Point(x, y));

        public Direction(int n)
        {
            num = n;

            if (n == 0) point = new Point(1, 0);
            if (n == 1) point = new Point(0, 1);
            if (n == 2) point = new Point(-1, 0);
            if (n == 3) point = new Point(0, -1);
        }

        public static implicit operator int(Direction d) => d.num;
        public static implicit operator Direction(int n) => new(n);

		public static implicit operator Vector2(Direction d) => new(d.point.X, d.point.Y);

        public void Rotate(int steps)
        {
            Direction newDir = new Direction((num + steps) % 4);
            num = newDir.num;
            point = newDir.point;
        }

        public Direction Rotated(int steps) => new((num + steps) % 4);
    }
}