private void create_bricks()
        {
            brick_layout = new Brick[rows, bricks_per_row];

            for (int r = 0; r < rows; r++)
            {
                if (r < 2)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Blue_Brick(brick_layout_X, brick_layout_Y);
                    }
                }

                else if (r < 4)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Green_Brick(brick_layout_X, brick_layout_Y);
                    }
                }

                else if (r < 6)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Red_Brick(brick_layout_X, brick_layout_Y);
                    }
                }

                else if (r < 8)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Yellow_Brick(brick_layout_X, brick_layout_Y);
                    }
                }
            }
        }
        private void create_bricks()
        {
            brick_layout = new Brick[rows, bricks_per_row];

            for (int r = 0; r < rows; r++)
            {

                if (r < 2)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Blue_Brick(brick_layout_X, brick_layout_Y);

                    }
                }

                else if (r < 4)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Green_Brick(brick_layout_X, brick_layout_Y);

                    }
                }

                else if (r < 6)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Red_Brick(brick_layout_X, brick_layout_Y);

                    }
                }

                else if (r < 8)
                {
                    for (int u = 0; u < bricks_per_row; u++)
                    {
                        brick_layout[r, u] = new Yellow_Brick(brick_layout_X, brick_layout_Y);

                    }
                }

            }
        }