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用于检查宾果的 C# 宾果算法

[英]C# Bingo Algorithm for Checking BIngo

我有一个布尔类型的 5x5 2D 数组,我想检查垂直、水平和对角宾果游戏。

如果这些特定单元格的值设置为“true”,我会得到一个宾果游戏。 否则,我继续玩游戏。 我一直在寻求帮助以改进,或获得反馈以完全重新使用此方法来检查宾果游戏。

public int checkForBingo(int rowID, int colID) 
{    
    bool winner = false;

    for (int i = 0; i < 4; i++)
    {
        //checking verts and horiz
        if (winner = (boardState[i, 0]) == true && (boardState[i, 1] == true)
            && (boardState[i, 2] == true) && (boardState[i, 3] == true)
              && (boardState[i, 4] == true))
            break;
        else if (winner = (boardState[0, i] == true) && (boardState[1, i] == true)
            && (boardState[2, i] == true) && (boardState[3, i] == true) &&
            (boardState[4, i] == true))
            break;

        //checking diagonals
        if (!winner)
        {
            if (boardState[2, 2] == true)
                if ((winner = (boardState[0, 0] == true) && (boardState[1, 1] == true) &&
                    (boardState[3, 3] == true) && (boardState[4, 4] == true)))
                    break;
                else if (!(winner = (boardState[0, 4] == true) && (boardState[1, 3] == true) &&
                        (boardState[3, 1] == true) && (boardState[4, 0] == true)))
                    break;
        }
    }
    return 0;
}

For 循环从 i=0 运行到 3 这意味着它只检查 4 行,并且在 if 条件下您正在检查所有 5 列是正确的。 将您的 for 循环条件更改为

i <= 4

有几点需要注意:

  • 主要的 for 循环应该是for (int i = 0; i < 5; i++)小于 5(数组是基于 0 的)
  • 您不需要检查 == true,布尔值可以简单地封装在 if 语句中,例如:

    if (boardState[0, 4] && boardState[1, 3] && boardState[3, 1] && boardState[4, 0])

  • if的赋值可能会导致容易忘记的不良行为(副作用)。
  • 方法签名应大写 ergo CheckForBingo
  • 如果您不使用参数 - 然后从方法签名中删除它们
  • 如前所述,代码有点难以理解

为了比较和学习的目的(包括我自己),我写了这样的方法:

public bool CheckForBingo(bool[,] boardState)
        {
            bool haveWeWon = false;

            //check horizotal
            for (int i = 0; i < 5; i++)
            {
                haveWeWon = true;

                for (int y = 0; y < 5; y++)
                {
                    if (!boardState[i, y])
                    {
                        haveWeWon = false;
                        break;
                    }
                }

                if(haveWeWon)
                {
                    return haveWeWon;
                }
            }

            if (!haveWeWon)
            {
                //check vertical
                for (int i = 0; i < 5; i++)
                {
                    haveWeWon = true;

                    for (int y = 0; y < 5; y++)
                    {
                        if (boardState[y, i])
                        {
                            haveWeWon = false;
                            break;
                        }
                    }

                    if (haveWeWon)
                    {
                        return haveWeWon;
                    }
                }
            }

            //check the middle - if false dont bother checking diagonal
            if (boardState[2, 2])
            {
                if (!haveWeWon)
                {
                    //check top left diagonal 
                    for (int i = 0; i < 5; i++)
                    {
                        haveWeWon = true;

                        if (!boardState[i, i])
                        {
                            haveWeWon = false;
                            break;
                        }
                    }

                    if (haveWeWon)
                    {
                        return haveWeWon;
                    }
                }

                if (!haveWeWon)
                {
                    //check top right diagonal 
                    for (int i = 4; i >= 0; i--)
                    {
                        haveWeWon = true;

                        if (!boardState[i, i])
                        {
                            haveWeWon = false;
                            break;
                        }
                    }

                    if (haveWeWon)
                    {
                        return haveWeWon;
                    }
                }
            }
            return false;
        }

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