思路
首先三子棋的规则是在3*3的棋盘上，三子连珠则为获胜，因此该游戏可以分为五个部分：电脑下棋，玩家下棋，棋盘判断，展示棋盘，棋盘初始化。
- 电脑下棋：C语言学习初期，为了简单易编译，这里使用随机位置生成。
- 玩家下棋：由玩家规定行列数，输入行列数下棋。
- 棋盘判断：从行，列，斜对角线三个位置进行遍历判断，如果不满足胜利条件，就返回N继续进行。
- 展示棋盘：将二维数组以棋盘形式输出。
- 棋盘初始化：二维数组建立后，里面的值是不确定的，最好初始化为空格。
头文件创建
#ifndef _CHESS_H_
#define _CHESS_H_
#include <stdio.h>
#include <Windows.h>
#include <time.h>
#define ROW 3
#define COL 3
#define PLAYER_COLOR 'X'
#define COMPUTER_COLOR 'O'
#pragma warning(disable:4996)
void Game();
void InitBoard(char board[][COL], int row,int col);
void ShowBoard(char board[][COL], int row, int col);
void PlayerMove(char board[][COL], int row, int col);
char Judge(char board[][COL], int row, int col);
void ComputerMove(char board[][COL], int row, int col);
#endif菜单选择界面
#include "chess.h"
void ShowMenu()
{
printf("################################\n");
printf("## 1.Play 2.Exit ##\n");
printf("################################\n");
printf("Please Select:");
}
int main()
{
int select = 0;
int quit = 0;
while (!quit) {
ShowMenu();
scanf("%d", &select);
switch (select) {
case 1:
Game();
break;
case 2:
printf("Bye be!\n");
quit = 1;
break;
default:
printf("select error,try again!\n");
break;
}
}
system("pause");
return 0;
}电脑下棋
void PlayerMove(char board[][COL], int row, int col)
{
while (1) {
int x = 0;
int y = 0;
printf("Please Enter Pos<x,y>:");
scanf("%d,%d", &x, &y);
if (x >= 1 && x <= 3 && y >= 1 && y <= 3) {
if (board[x - 1][y - 1] == ' ') {
board[x - 1][y - 1] = PLAYER_COLOR;
break;
}
else {
printf("Enter Error,Try again!1\n");
}
}
else {
printf("Enter Error,Try again!2\n");
}
}
}玩家下棋
void PlayerMove(char board[][COL], int row, int col)
{
while (1) {
int x = 0;
int y = 0;
printf("Please Enter Pos<x,y>:");
scanf("%d,%d", &x, &y);
if (x >= 1 && x <= 3 && y >= 1 && y <= 3) {
if (board[x - 1][y - 1] == ' ') {
board[x - 1][y - 1] = PLAYER_COLOR;
break;
}
else {
printf("Enter Error,Try again!1\n");
}
}
else {
printf("Enter Error,Try again!2\n");
}
}
}棋盘判断
char Judge(char board[][COL], int row, int col)
{
int i = 0;
for (; i < row; i++) {
if(board[i][0] != ' ' && board[i][0] == board[i][1] && board[i][1]==board[i][2])
{
return board[i][0];
}
}
for (i = 0; i < col; i++) {
if (board[0][i] != ' ' && board[0][i] == board[1][i] && board[1][i] == board[2][i])
{
return board[0][i];
}
}
if (board[0][0] != ' ' && board[0][0] == board[1][1] && board[1][1] == board[2][2])
{
return board[1][1];
}
if (board[0][2] != ' '&&board[0][2] == board[1][1] && board[1][1] == board[2][0])
{
return board[1][1];
}
for (i = 0; i < row; i++) {
int j = 0;
for (; j < col; j++) {
if (board[i][j] == ' ') {
return 'N';
}
}
}
return 'E';
}展示棋盘
void ShowBoard(char board[][COL], int row, int col)
{
printf(" | 1 | 2 | 3\n");
printf("----------------\n");
int i = 1;
for (; i <= 3; i++) {
printf(" %d | %c | %c | %c \n", \
i, board[i - 1][0], board[i - 1][1], board[i - 1][2]);
if (i != 3) {
printf("----------------\n");
}
}
}棋盘初始化
void InitBoard(char board[][COL], int row, int col)
{
int i = 0;
for (; i < row; i++) {
int j = 0;
for (; j < col; j++) {
board[i][j] = ' ';
}
}
}游戏主程序
void Game()
{
char board[ROW][COL];
char result = 0;
InitBoard(board,ROW,COL);
ShowBoard(board, ROW, COL);
while (1) {
PlayerMove(board, ROW, COL);
ShowBoard(board, ROW, COL);
result = Judge(board, ROW, COL);
if (result != 'N') {
break;
}
ComputerMove(board, ROW, COL);
ShowBoard(board, ROW, COL);
result = Judge(board, ROW, COL);
if (result != 'N') {
break;
}
}
switch (result) {
case 'X'://you win
printf("你赢了\n");
break;
case 'O'://computer win
printf("你输了\n");
break;
case 'E'://Equal
printf("平局\n");
break;
default:
printf("Throwable Exception?!?!\n");
break;
}
printf("Play again?\n");
}最后奉上整体代码：
https://github.com/GagaAutom/C-programming-language/tree/master/tic-tac-toe