Tetris/Tetrominos/TetrominoTypeL.cs

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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tetris.Tetrominos
{
    class TetrominoTypeL : Tetromino
    {
        public TetrominoTypeL():base(Brushes.Brown, TetrominoType.TypeL)
        {
            Blocks = new Block[4];
            Blocks[0] = new Block(0, 0, Color);
            Blocks[1] = new Block(1, 0, Color);
            Blocks[2] = new Block(2, 0, Color);
            Blocks[3] = new Block(2, 1, Color);
        }
        public override void RotateClockwise()
        {
            switch (this.Toward)
            {
                case Towards.Up:
                    Blocks[0].MoveTo(1, 1);
                    Blocks[2].MoveTo(-1, -1);
                    Blocks[3].MoveTo(-2, 0);
                    Toward = Towards.Right;
                    break;
                case Towards.Right:
                    Blocks[0].MoveTo(-1, 1);
                    Blocks[2].MoveTo(1, -1);
                    Blocks[3].MoveTo(0, -2);
                    Toward = Towards.Down;
                    break;
                case Towards.Down:
                    Blocks[0].MoveTo(-1, -1);
                    Blocks[2].MoveTo(1, 1);
                    Blocks[3].MoveTo(2, 0);
                    Toward = Towards.Left;
                    break;
                case Towards.Left:
                    Blocks[0].MoveTo(1, -1);
                    Blocks[2].MoveTo(-1, 1);
                    Blocks[3].MoveTo(0, 2);
                    Toward = Towards.Up;
                    break;
            }
        }

        public override void RotateCounterclockwise()
        {
            switch (this.Toward)
            {
                case Towards.Up:
                    Blocks[0].MoveTo(-1, 1);
                    Blocks[2].MoveTo(1, -1);
                    Blocks[3].MoveTo(0, -2);
                    Toward = Towards.Left;
                    break;