【C语言】经典小游戏-三子棋

  1. 前言
    1. 项目效果展示:
    2. 参考代码:
      1. game.h
      2. game.c
      3. test.c
  2. 结语

前言

要实现三子棋,首先思考三子棋怎么样实现的,如一下几点:

  • 实现三子棋,在一个3*3的二维数组下把二维数组都初始化为 ‘ *’
  • 电脑随机生成坐标,判断该坐标是否合法,合法赋值为 ‘0’
  • 玩家输入合法坐标,该坐标赋值为 ‘X’
  • 判断输赢,每一行,每一列,或者对角线上的值相等,则为赢。如果棋盘满了,还没有赢家,则为平局!返回 ‘Q’

项目效果展示:

图片加载

参考代码:

game.h

/*********************************************************
*                      程序名称:三子棋                   *
*                      编译环境:vs2013                   *
*                      编辑日期:2018.5.26                *
*                                        ------by Hunter  *
**********************************************************/
#ifndef __GAME_H__
#define __GAME_H__

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<string.h>

typedef unsigned int uint;

enum APP
{
    EXIT,
    START
};

#define ROW 3
#define  COL 3

 //初始化棋盘
void InitBoard(char board[ROW][COL], int row, int col);
//打印棋盘
void PrintBoard(char board[ROW][COL], int row, int col);
//电脑走
void ComputerMove(char board[ROW][COL], int row, int col);
//玩家走
void PlayerMove(char board[ROW][COL], int row, int col);
//判输赢
char is_win(char board[ROW][COL], int row, int col);


#endif //__GAME_H__

game.c


#define _CRT_SECURE_NO_WARNINGS 1

#include"game.h"

void InitBoard(char board[ROW][COL], int row, int col)
{
    memset(board, ' ', sizeof(char)* row*col);
}//memset函数用来对一段内存空间全部设置为某个字符

void PrintBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    for (i = 0; i < row; i++)
    {
        printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);
        if (i != 2)
        {
            printf("---|---|---\n");
        }
    }
}

void  PlayerMove(char board[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;
    printf("请输入落子的坐标:\n");
    while (1)
    {
        scanf("%d%d", &x, &y);
        //保证输入坐标的合法性,玩家输入的坐标是从1开始的
        if (((x >= 1) && (x <= row)) && ((y >= 1) && (y <= col)))
        {
            if (board[x - 1][y - 1] == ' ')
            {
                board[x - 1][y - 1] = 'X';//玩家落子
                break;
            }
            else
            {
                printf("该坐标已被占用,请换一个坐标:\n");
            }
        }
        else
        {
            printf("输入坐标不合法,请重新输入:\n");
        }
    }
}

void ComputerMove(char board[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;
    while (1)
    {
        x = rand() % row;
        y = rand() % col;//利用rand函数生成随机坐标
        if (board[x][y] == ' ')
        {
            board[x][y] = '0';
            break;
        }
    }

}

static int is_full(char board[ROW][COL], int row, int col)
//函数is_full只在is_win中被调用,可以加上static改变其链接属性
{
    int i = 0;
    for (i = 0; i < row; i++)
    {
        int j = 0;
        for (j = 0; j < col; j++)
        {
            if (board[i][j] == ' ')
                return 0;
        }
    }
    return 1;
}//判断棋盘是否下满了

char is_win(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        if ((board[i][0] == board[i][1]) && (board[i][1] == board[i][2]) && (board[i][2] != ' '))
        {
            return  board[i][1];
        }
    }
    for (j = 0; j < col; j++)
    {
        if ((board[0][j] == board[1][j]) && (board[1][j] == board[2][j]) && (board[2][j] != ' '))
        {
            return  board[1][j];
        }
    }
    if ((board[0][0] == board[1][1]) && (board[1][1] == board[2][2]) && (board[2][2] != ' '))
    {
        return board[1][1];
    }
    else if ((board[0][2] == board[1][1]) && (board[1][1] == board[2][0]) && (board[1][1] != ' '))
    {
        return board[1][1];
    }
    else if (is_full(board, ROW, COL) == 1)
    {
        return 'Q';//表示棋盘下满了
    }
    else
        return ' ';
}

test.c


#define _CRT_SECURE_NO_WARNINGS 1

#include"game.h"

void menu()
{
    printf("***** 《三子棋游戏》*****\n");
    printf("******   1.play   *******\n");
    printf("******   0.exit   *******\n");
    printf("*************************\n");
    printf("*************************\n");
}

void game()
{
    char ret;
    char board[ROW][COL];
    InitBoard(board, ROW, COL);
    PrintBoard(board, ROW, COL);
    while (1)
    {
        printf("玩家走:\n");
        PlayerMove(board, ROW, COL);
        PrintBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != ' ')
            break;
        printf("电脑走:\n");
        ComputerMove(board, ROW, COL);
        PrintBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != ' ')
            break;
    }
    if (ret == 'X')
    {
        printf(" 你赢了!\n");
    }
    else if (ret == '0')
    {
        printf(" 你输了\n");
    }
    else if (ret == 'Q')
    {
        printf("平局\n");
    }
}

void test()
{

    int input = 0;
    srand((uint)time(NULL));
    do {
        menu();
        printf("请选择:");
        scanf("%d", &input);
        switch (input)
        {
        case START:
            game();
            break;
        case EXIT:
            break;
        default:
            break;
        }

    } while (input);
}
int main()
{
    test();
    system("pause");
    return 0;
}

结语

天天编程,天天向上!


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