CellsAutomate.Tools.DirectionEx.DirectionByPoints C# (CSharp) Method

        public static DirectionEnum DirectionByPoints(Point start, Point finish)
        {
            var xOffset = finish.X - start.X;
            var yOffset = finish.Y - start.Y;

            if (xOffset == -1 && yOffset == 0) return DirectionEnum.Left;
            if (xOffset == 1 && yOffset == 0) return DirectionEnum.Right;
            if (xOffset == 0 && yOffset == 1) return DirectionEnum.Down;
            if (xOffset == 0 && yOffset == -1) return DirectionEnum.Up;

            throw new ArgumentException();
        }