目錄
- 前言
- 思路分析
- 函式實作
- 玩家落子
- 當前棋盤
- 判斷輸贏
- 原始碼實作
前言
檢驗學習成果最好的方式是實踐,在學習完C語言的函式和陣列以后,就可以簡易的實作一些小游戲,本文將介紹如何實作三字棋小游戲,歡迎探討
思路分析
三子棋的規則是在3X3的棋盤里,率先將自己的三個棋子連成一條直線為贏家,程式實作的核心是玩家的落子以及輸贏的判斷,
核心流圖:當前棋盤->玩家1移動->當前棋盤->輸贏判斷->玩家2移動->當前棋盤->判斷輸贏->玩家1移動······
函式實作
玩家落子
玩家輸入坐標將棋子落入棋盤中,即為向一個二維陣列賦值,需要注意的時,輸入的坐標不能超出陣列范圍,并且不能占用被輸入的位置,
void PlayerMove(char board[ROW][COL], int row, int col)
{
printf("玩家走:>\n");
int x = 0;
int y = 0;
while (1)
{
printf("請輸入坐標:>");
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("坐標被占用,請重新輸入\n");
}
}
else
{
printf("坐標非法,超出范圍\n");
}
}
}
當前棋盤
實質是輸出二維陣列
輸出二維陣列,但是為了美化棋盤,我們需要一些符號來分割棋盤,讓它結構清晰,
void DisplayBoard(char board[ROW][COL], int row, int col)
{
int i = 0;
for (i = 0; i < row; i++)
{
int j = 0;
for (j = 0; j < col; j++)
{
printf(" %c ", board[i][j]);
if (j < col - 1)
printf("|");
}
printf("\n");
if (i < row - 1)
{
for (j = 0; j < col; j++)
{
printf("---");
if (j < col - 1)
printf("|");
}
}
printf("\n");
}
}
判斷輸贏

只要我們找到三個連成一條直線的棋子即可,這里選三個棋子中中間那個即可,然后判斷是不是滿足條件,
說明:
回傳*,表示輸入*的玩家贏;
回傳#,表示輸入#的玩家贏;
回傳 Q,表示平局;
回傳C,表示游戲繼續,
char IsWin(char board[ROW][COL], int row, int col){
int i, j, count = 0;
for(i=0;i<row;i++)
for (j = 0; j < col; j++) {
if (board[i][j] == '*') {
if (i-1>=0&&i+1<row&&board[i-1][j] == '*' && board[i + 1][j] == '*')
return '*';
if (j-1>=0&&j+1<col&&board[i][j-1] == '*' && board[i][j + 1] == '*')
return '*';
if (i-1 >=0 && i + 1 < row && j - 1 >= 0 && j + 1 < col&& board[i-1][j-1] == '*' && board[i + 1][j + 1] == '*')
return '*';
if (i-1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j + 1] == '*' && board[i + 1][j - 1] == '*')
return '*';
}
if (board[i][j] == '#') {
if (i - 1 >= 0 && i + 1 < row && board[i - 1][j] == '#' && board[i + 1][j] == '#')
return '#';
if (j - 1 >= 0 && j + 1 < col && board[i][j - 1] == '#' && board[i][j + 1] == '#')
return '#';
if (i-1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j - 1] == '#' && board[i + 1][j + 1] == '#')
return '*';
if (i-1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j + 1] == '#' && board[i + 1][j - 1] == '#')
return '#';
}
if (board[i][j] == ' ')
count++;
}
if (count == 0)
return 'Q';
else
return 'C';
}
原始碼實作
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#define ROW 3
#define COL 3
void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void Player1Move(char board[ROW][COL], int row, int col);
void Player2Move(char board[ROW][COL], int row, int col);
char IsWin(char board[ROW][COL], int row, int col);
void InitBoard(char board[ROW][COL], int row, int col)
{
int i = 0;
for (i = 0; i < row; i++)
{
int j = 0;
for (j = 0; j < col; j++)
{
board[i][j] = ' ';
}
}
}//棋盤初始化,二維陣列全部初始化空格
void DisplayBoard(char board[ROW][COL], int row, int col)
{
int i = 0;
for (i = 0; i < row; i++)
{
int j = 0;
for (j = 0; j < col; j++)
{
printf(" %c ", board[i][j]);
if (j < col - 1)
printf("|");
}
printf("\n");
if (i < row - 1)
{
for (j = 0; j < col; j++)
{
printf("---");
if (j < col - 1)
printf("|");
}
}
printf("\n");
}
}//棋盤列印函式,列印出當前棋盤
void Player1Move(char board[ROW][COL], int row, int col)
{
printf("玩家1走:>\n");
int x = 0;
int y = 0;
while (1)
{
printf("請輸入坐標:>");
scanf("%d%d", &x, &y);//2 1 -- > 1 0
if (x >= 1 && x <= row && y >= 1 && y <= col)
{
if (board[x - 1][y - 1] == ' ')
{
board[x - 1][y - 1] = '*';
break;
}
else
{
printf("坐標被占用,請重新輸入\n");
}
}
else
{
printf("坐標非法,超出范圍\n");
}
}
}
void Player2Move(char board[ROW][COL], int row, int col)
{
printf("玩家1走:>\n");
int x = 0;
int y = 0;
while (1)
{
printf("請輸入坐標:>");
scanf("%d%d", &x, &y);//2 1 -- > 1 0
if (x >= 1 && x <= row && y >= 1 && y <= col)
{
if (board[x - 1][y - 1] == ' ')
{
board[x - 1][y - 1] = '#';
break;
}
else
{
printf("坐標被占用,請重新輸入\n");
}
}
else
{
printf("坐標非法,超出范圍\n");
}
}
}
char IsWin(char board[ROW][COL], int row, int col) {
int i, j, count = 0;
for (i = 0; i < row; i++)
for (j = 0; j < col; j++) {
if (board[i][j] == '*') {
if (i - 1 >= 0 && i + 1 < row && board[i - 1][j] == '*' && board[i + 1][j] == '*')
return '*';
if (j - 1 >= 0 && j + 1 < col && board[i][j - 1] == '*' && board[i][j + 1] == '*')
return '*';
if (i - 1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j - 1] == '*' && board[i + 1][j + 1] == '*')
return '*';
if (i - 1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j + 1] == '*' && board[i + 1][j - 1] == '*')
return '*';
}
if (board[i][j] == '#') {
if (i - 1 >= 0 && i + 1 < row && board[i - 1][j] == '#' && board[i + 1][j] == '#')
return '#';
if (j - 1 >= 0 && j + 1 < col && board[i][j - 1] == '#' && board[i][j + 1] == '#')
return '#';
if (i - 1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j - 1] == '#' && board[i + 1][j + 1] == '#')
return '*';
if (i - 1 >= 0 && i + 1 < row && j - 1 >= 0 && j + 1 < col && board[i - 1][j + 1] == '#' && board[i + 1][j - 1] == '#')
return '#';
}
if (board[i][j] == ' ')
count++;
}
if (count == 0)
return 'Q';
else
return 'C';
}
int main()
{
char board[ROW][COL];
InitBoard(board, ROW, COL);
DisplayBoard(board, ROW, COL);
char ret = 0;
while (1)
{
Player1Move(board, ROW, COL);
DisplayBoard(board, ROW, COL);
ret = IsWin(board, ROW, COL);
if (ret != 'C')
{
break;
}
Player2Move(board, ROW, COL);
DisplayBoard(board, ROW, COL);
ret = IsWin(board, ROW, COL);
if (ret != 'C')
{
break;
}
}
if (ret == '*')
{
printf("玩家贏\n");
}
else if (ret == '#')
{
printf("電腦贏\n");
}
else
{
printf("平局\n");
}
return 0;
}
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