private void UpdateGoalCost()
        {
            //var nodes = 0;

            //int startX = Goal.X > Position.X ? Position.X : Goal.X;
            //int startY = Goal.Y > Position.Y ? Position.Y : Goal.Y;

            //int endX = startX == Position.X ? Goal.X : Position.X;
            //int endY = startY == Position.Y ? Goal.Y : Position.Y;

            //while (startX != endX)
            //{
            //    startX += Size.X;

            //    nodes++;
            //}

            //while (startY != endY)
            //{
            //    startY += Size.Y;

            //    nodes++;
            //}

            GoalCost = (Math.Abs(Goal.X - Position.X) + Math.Abs(Goal.Y - Position.Y)) * 10;
        }