三子棋
想必大家都玩過吧,它又叫又叫九宮棋、圈圈叉叉、一條龍等,
將正方形對角線連起來,相對兩邊依次擺上三個雙方棋子,只要將自己的三個棋子走成一條線,對方就算輸了,

如果我們想用C語言去實作一個三子棋小游戲,該如何操作呢?
話不多說,上代碼!
首先我們創建出一個選單,可以讓玩家們自己選擇是否進入游戲,像這樣:
void menu()
{
printf("***********************************\n");
printf("********* 1.play ***************\n");
printf("********* 0.exit ***************\n");
printf("***********************************\n");
}
void test()
{
int input = 0;
srand((unsigned int)time(NULL));
do
{
menu();
printf("請選擇:\n");
scanf("%d", &input);
switch (input)
{
case 1:
game();
break;
case 0:
printf("退出游戲\n");
break;
default :
printf("選擇錯誤\n");
break;
}
} while (input);
}
當玩家確定進入游戲后,我們就要撰寫游戲的內容了
,
我們先思考整個游戲,要進行的步驟有:
1.初始化棋盤(InitBoard)
2.列印棋盤(DisplayBoard)
3.落子(Player_move ‘*’,Computer_move ‘#’)
4.判斷輸贏(is_win)
具體實作可以像這樣:
void game()
{
//玩家“*”,電腦“#”;
char board[ROW][COL] = { 0 };//陣列的內容全是空格
InitBoard(board, ROW,COL );//初始化棋盤,先將空格填到每個元素中;
//列印棋盤
DisplayBoard(board, ROW, COL);
char ret = 0;
while (1)
{
Player_move(board,ROW,COL);
DisplayBoard(board, ROW, COL);
ret = is_win(board, ROW, COL);
if (ret!='C')
{
break;
}
Computer_move(board, ROW, COL);
DisplayBoard(board, ROW, COL);
ret = is_win(board, ROW, COL);
if (ret != 'C')
{
break;
}
}
if (ret == '*')
{
printf("玩家贏了\n");
}
else if(ret=='#')
{
printf("電腦贏了\n");
}
else
{
printf("平局了\n");
}
}
我們先給游戲創建一個頭檔案 game.h :
#pragma once
#define ROW 3
#define COL 3
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void Player_move(char board[ROW][COL], int row, int col);
void Computer_move(char board[ROW][COL], int row, int col);
//判斷游戲輸贏:回傳一個值
//玩家贏--*
//電腦贏--#
//平局--Q
//繼續--C
char is_win(char board[ROW][COL], int row, int col);
然后我們分別對每一項任務進行具體的代碼撰寫:
1.初始化棋盤(InitBoard)
void InitBoard(char board[ROW][COL], int row, int col)
{
int i = 0;
int j = 0;
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)
{
board[i][j] = ' ';
}
}
}
2.列印棋盤(DisplayBoard)
void DisplayBoard(char board[ROW][COL], int row, int col)
{
int i = 0;
int j = 0;
for (i = 0; i < row; i++)
{//資料行
for (j = 0; j < col; j++)
{
printf(" %c ", board[i][j]);
if (j < col - 1)
printf("|");
}
printf("\n");
//分割行
if (i < row - 1)
{
for (j = 0; j < col; j++)
{
printf("---");
if (j < col - 1)
printf("|");
}
}
printf("\n");
}
}
列印出一個簡易的三子棋棋盤:

3.落子(Player_move ‘*’)
void Player_move(char board[ROW][COL], int row, int col)
{
printf("玩家下棋:\n");
int x = 0;
int y = 0;
while (1)
{
scanf("%d %d", &x, &y);
if (x >= 1 && x <= row && y >= 1 && y <= col)
{
if (board[x - 1][y - 1] == ' ')
{
board[x - 1][y - 1] = '*';
break;
}
else
{
printf("該坐標被占用,重新輸入\n");
}
}
else
{
printf("坐標非法,請重新輸入:\n");
}
}
}
3.落子(Computer_move ‘#’)
void Computer_move(char board[ROW][COL], int row, int col)
{
int x = 0;
int y = 0;
printf("電腦下棋:\n");
while (1)
{
x = rand() % ROW;//0~2;
y = rand() % COL;//0~2
if (board[x][y] == ' ')
{
board[x][y] = '#';
break;
}
}
}
4.判斷輸贏(is_win)
int is_full(char board[ROW][COL],int row,int col)
{
int i = 0;
int j = 0;
for (i = 0; i < row; i++)
{
for (j = 0; j < col; j++)
{
if (board[i][j] == ' ')
{
return 0;
}
}
}
return 1;
}
char is_win(char board[ROW][COL], int row, int col)
{
int i = 0;
for (i = 0; i < row; i++)//一行連線成功的判斷
{
if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
{
return board[i][1];
}
}
for (i = 0; i < col; i++)//一列連線成功的判斷
{
if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
{
return board[1][i];
}
}
if (board[0][0] == board[1][1] && board[2][2] == board[1][1] && board[1][1]!= ' ')
{
return board[1][1];
}
if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
{
return board[1][1];
}
//判斷平局
if (1 == is_full(board, row, col))
{
return 'Q';
}
else
{
return 'C';
}
}
最后游戲的運行結果如下,你學會了嗎?


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