BenNHTetris/Block2.cs

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///////////////////////////////////////////////////////////
//  Class			:	Block2.cs
//  CLRVersion		:	4.0.30319.42000
//  NameSpace		:	BenNHTetris
//  Created on		:	2018/5/31 11:41:50
//  Original author	:	JIYONGFEI 
//  JiYF笨男孩博客  :   https://www.cnblogs.com/JiYF/
///////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;

namespace BenNHTetris
{
    class Block2:Block
    {
        public Block2()
        {
            this._curChangeTimes = 0;
            this._needRows = 5;
            this._needColumns = 5;
            this._range = new int[5, 5]{{0,0,0,0,0},
                                         {0,0,0,0,0},
                                         {0,1,1,1,1},
                                         {0,0,0,0,0},
                                         {0,0,0,0,0}};
            this._center = new Point(2, 2);
        }
        public override bool CanChange(int[,] arr, int rows, int cloumns)
        {
            bool result = false;
            if (_Pos.X - 2 >= 0 && _Pos.X + 2 <= rows - 1 && _Pos.Y - 2 >= 0 && _Pos.Y + 2 <= cloumns - 1)
            {
                switch (_curChangeTimes)
                {
                    case 0:
                        arr[_Pos.X, _Pos.Y - 1] = 0;
                        arr[_Pos.X, _Pos.Y] = 0;
                        arr[_Pos.X, _Pos.Y + 1] = 0;
                        arr[_Pos.X, _Pos.Y + 2] = 0;
                        break;
                    case 1:
                        arr[_Pos.X - 1, _Pos.Y] = 0;
                        arr[_Pos.X, _Pos.Y] = 0;
                        arr[_Pos.X + 1, _Pos.Y] = 0;
                        arr[_Pos.X + 2, _Pos.Y] = 0;
                        break;
                    case 2:
                        arr[_Pos.X, _Pos.Y - 2] = 0;
                        arr[_Pos.X, _Pos.Y - 1] = 0;
                        arr[_Pos.X, _Pos.Y] = 0;
                        arr[_Pos.X, _Pos.Y + 1] = 0;
                        break;
                    case 3:
                        arr[_Pos.X - 2, _Pos.Y] = 0;
                        arr[_Pos.X - 1, _Pos.Y] = 0;
                        arr[_Pos.X, _Pos.Y] = 0;
                        arr[_Pos.X + 1, _Pos.Y] = 0;