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:
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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