多维数组(推箱子地图及人运行)

  string[,] erwei=new string[10,10]
            {
                {"■","■","■","■","■","■","■","■","■","■"},
                {"■","  ","  ","  ","  ","■","  ","  ","  ","■"},
                {"■","  ","■","  ","  ","■","  ","■","  ","■"},
                {"■","  ","■","■","  ","■","  ","  ","  ","■"},
                {"■","  ","  ","■","  ","  ","  ","  ","  ","■"},
                {"■","  ","  ","■","  ","  ","  ","■","  ","■"},
                {"■","  ","■","■","  ","■","  ","■","  ","■"},
                {"■","  ","  ","  ","  ","■","  ","  ","  ","■"},
                {"■","  ","■","  ","■","  ","  ","  ","  ","■"},
                {"■","■","■","■","■","■","■","■","■","■"}
            };
          int reny = 1;
          int renx = 1;
          erwei[reny, renx] = "♂";
          while (true)
          {
             //打印地图
              for (int j = 0; j < 10; j++)
              {
                  for (int i = 0; i < 10; i++)
                  {
                      Console.Write(erwei[j, i]);
                  }
                  Console.Write("\n");//换行
              }
              erwei[reny, renx] = "  ";//清空没操作前的 "♂"符号
              Console.Write("请按wasd来操作");
              string cuozuo = Console.ReadLine();
              if (cuozuo =="w") 
              {
                  if(erwei[reny-1,renx]=="  ")
                  {
                      reny =reny - 1;
                  }
              }
              if (cuozuo == "s")
              {
                  if (erwei[reny + 1, renx] == "  ")
                  {
                      reny = reny + 1;
                  }
              }
              if (cuozuo == "a")
              {
                  if (erwei[reny, renx-1] == "  ")
                  {
                      renx = renx - 1;
                  }
              }
              if (cuozuo == "d")
              {
                  if (erwei[reny, renx+1] == "  ")
                  {
                      renx = renx + 1;
                  }
              }
              erwei[reny, renx] = "♂";//输出人在多维数组中的新位置
              Console.Clear();//清除上一步痕迹
          }
          Console.ReadLine();
//初始位置

//4步s操作后