C语言---双人贪吃蛇

贪吃蛇双人小游戏，每局游戏两分钟，死亡则直接失败，若时间结束，则分高者获胜。 

 上源代码：

 

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#include 
#include 
#include 
#include 
#include
#include 
#define SNAKESIZE 100
#define MAPWIDTH 118
#define MAPHEIGHT 29

struct {    //保存食物坐标
	int x;
	int y;
}food;

struct {
	int len;
	int x[SNAKESIZE];
	int y[SNAKESIZE];

}snake;
struct {
	int len;
	int x[SNAKESIZE];
	int y[SNAKESIZE];

}snake1;
char key  = '8';//初始方向向上
char key1 = 'w';

int changeFlag = 0 , changeFlag1 = 0;
int speed=150 , sorce = 0 , sorce1 = 0 , sec=0 , min=2;

void gotoxy(int x, int y)//移动光标到指定位置
{
	COORD coord;
	coord.X = x;
	coord.Y = y;
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
}
void MAP()//打印边框和两条蛇的起始位置
{
	for (int i = 0; i <= MAPWIDTH; i += 2)//打印最上面和最下面两横边框
	{
		gotoxy(i, 0);
		printf("■");
		gotoxy(i, MAPHEIGHT);
		printf("■");
	}

	for (int i = 1; i < MAPHEIGHT; i++)//打印最左面和最右面
	{
		gotoxy(0, i);
		printf("■");
		gotoxy(MAPWIDTH, i);
		printf("■");
	}

	while (1)//打印一个食物
	{
		srand((unsigned int)time(NULL));
		food.x = rand() % (MAPWIDTH - 4) + 2;
		food.y = rand() % (MAPHEIGHT - 2) + 1;
		if (food.x % 2 == 0)
			break;
	}
	gotoxy(food.x, food.y);
	printf("★");

	snake.len = snake1.len = 4;//给两条蛇的长度赋初值

	snake.x[0] = MAPWIDTH / 2 + 31;//然后分别打印两条蛇身部分
	snake.y[0] = MAPHEIGHT / 2;
	snake1.x[0] = MAPWIDTH / 2 -31;
	snake1.y[0] = MAPHEIGHT / 2;
	gotoxy(snake.x[0], snake.y[0]);
	printf("■");
	gotoxy(snake1.x[0], snake1.y[0]);
	printf("●");

	for (int i = 1; i < snake.len; i++)
	{
		snake.x[i] = snake.x[i - 1];
		snake.y[i] = snake.y[i - 1]+1;
		gotoxy(snake.x[i], snake.y[i]);
		printf("■");
		snake1.x[i] = snake1.x[i - 1];
		snake1.y[i] = snake1.y[i - 1]+1;
		gotoxy(snake1.x[i], snake1.y[i]);
		printf("●");
	}
	gotoxy(MAPWIDTH , 0);//把光标移走
	return;
}
void OPERATION()//操作函数
{
	char  pre_key = key ,  pre_key1 = key1 , s;//保存两条蛇上一次的方向

	if (_kbhit())
    {
        s = getch();

        if(s=='w'||s=='s'||s=='a'||s=='d'||s=='W'||s=='S'||s=='A'||s=='D')
            key1=s;
        else if(s=='8'||s=='5'||s=='4'||s=='6')
            key=s;
    }

	if (changeFlag == 0)//没吃到食物
	{
		gotoxy(snake.x[snake.len - 1], snake.y[snake.len - 1]);
		printf("  ");//在蛇尾处输出空格即擦去蛇尾
	}
	if (changeFlag1 == 0)
	{
		gotoxy(snake1.x[snake1.len - 1], snake1.y[snake1.len - 1]);
		printf("  ");//在蛇尾处输出空格即擦去蛇尾
	}

	//将蛇的每一节依次向前移动一节（蛇头除外）
	for (int i = snake.len - 1; i > 0; i--)
	{
		snake.x[i] = snake.x[i - 1];
		snake.y[i] = snake.y[i - 1];
	}
	for (int i = snake1.len - 1; i > 0; i--)
	{
		snake1.x[i] = snake1.x[i - 1];
		snake1.y[i] = snake1.y[i - 1];
	}

	//蛇当前移动的方向不能和前一次的方向相反，比如蛇往左走的时候不能直接按右键往右走
	//如果当前移动方向和前一次方向相反的话，把当前移动的方向改为前一次的方向
	if (pre_key == '8' && key == '5')
		key = '8';
	if (pre_key == '5' && key == '8')
		key = '5';
	if (pre_key == '4' && key == '6')
		key = '4';
	if (pre_key == '6' && key == '4')
		key = '6';
    if (pre_key1 == 'w' && key1 == 's')
		key1 = 'w';
	if (pre_key1 == 's' && key1 == 'w')
		key1 = 's';
	if (pre_key1 == 'a' && key1 == 'd')
		key1 = 'a';
	if (pre_key1 == 'd' && key1 == 'a')
		key1 = 'd';

	//判断蛇头应该往哪个方向移动
	switch (key)
	{
	case '4':
		snake.x[0] -= 2;//往左
		break;
	case '6':
		snake.x[0] += 2;//往右
		break;
	case '8':
		snake.y[0]--;//往上
		break;
	case '5':
		snake.y[0]++;//往下
		break;
	}
	gotoxy(snake.x[0], snake.y[0]);
	printf("■");
	changeFlag = 0;
	switch (key1)
	{
	case 'a':
    case 'A':
		snake1.x[0] -= 2;//往左
		break;
	case 'd':
    case 'D':
		snake1.x[0] += 2;//往右
		break;
	case 'w':
    case 'W':
		snake1.y[0]--;//往上
		break;
	case 's':
    case 'S':
		snake1.y[0]++;//往下
		break;
	}
	gotoxy(snake1.x[0], snake1.y[0]);
	printf("●");
	changeFlag1 = 0;
	gotoxy(MAPWIDTH, 0);
	return;
}
void createFood()
{
	if (snake.x[0] == food.x && snake.y[0] == food.y)//蛇头碰到食物
	{
		//蛇头碰到食物即为要吃掉这个食物了，因此需要再次生成一个食物
		while (1)
		{
			int a = 1 , b=1;
			srand((unsigned int)time(NULL));
			food.x = rand() % (MAPWIDTH - 4) + 2;
			food.y = rand() % (MAPHEIGHT - 2) + 1;

			//随机生成的食物不能在蛇的身体上
			for (int i = 0; i < snake.len; i++)
			{
				if (snake.x[i] == food.x && snake.y[i] == food.y)
				{
					a = 0;
					break;
				}
			}
			for (int i = 0; i < snake1.len; i++)
			{
				if (snake1.x[i] == food.x && snake1.y[i] == food.y)
				{
					b = 0;
					break;
				}
			}
			//随机生成的食物不能横坐标为奇数，也不能在蛇身，否则重新生成
			if (a==1&&b==1 && food.x % 2 == 0)
				break;
		}

		//绘制食物
		gotoxy(food.x, food.y);
		printf("★");

		snake.len++;//吃到食物，蛇身长度加1
		sorce += 10;
		speed -= 5;//随着吃的食物越来越多，速度会越来越快
		changeFlag = 1;//很重要，因为吃到了食物，就不用再擦除蛇尾的那一节，以此来造成蛇身体增长的效果
	}
	return;
}
void createFood1()
{
	if (snake1.x[0] == food.x && snake1.y[0] == food.y)//蛇头碰到食物
	{
		//蛇头碰到食物即为要吃掉这个食物了，因此需要再次生成一个食物
		while (1)
		{
			int a = 1 , b=1;
			srand((unsigned int)time(NULL));
			food.x = rand() % (MAPWIDTH - 4) + 2;
			food.y = rand() % (MAPHEIGHT - 2) + 1;

			//随机生成的食物不能在蛇的身体上
			for (int i = 0; i < snake.len; i++)
			{
				if (snake.x[i] == food.x && snake.y[i] == food.y)
				{
					a = 0;
					break;
				}
			}
			for (int i = 0; i < snake1.len; i++)
			{
				if (snake1.x[i] == food.x && snake1.y[i] == food.y)
				{
					b = 0;
					break;
				}
			}
			//随机生成的食物不能横坐标为奇数，也不能在蛇身，否则重新生成
			if (a==1&&b==1&& food.x % 2 == 0)
				break;
		}


		//绘制食物
		gotoxy(food.x, food.y);
		printf("★");

		snake1.len++;//吃到食物，蛇身长度加1
		sorce1 += 10;
		speed -= 5;//随着吃的食物越来越多，速度会越来越快
		changeFlag1 = 1;//很重要，因为吃到了食物，就不用再擦除蛇尾的那一节，以此来造成蛇身体增长的效果
	}
	return;
}
bool check()
{
	//蛇头碰到上下边界，游戏结束
	if (snake.y[0] == 0 || snake.y[0] == MAPHEIGHT)
		return true;
	//蛇头碰到左右边界，游戏结束
	if (snake.x[0] == 0 || snake.x[0] == MAPWIDTH)
		return true;
	//蛇头碰到蛇身，游戏结束
	for (int i = 1; i < snake.len; i++)
	{
		if (snake.x[i] == snake.x[0] && snake.y[i] == snake.y[0])
			return true;
	}
	for (int i = 0; i < snake1.len; i++)
    {
        if(snake1.x[i] == snake.x[0]&&snake1.y[i] == snake.y[0])
            return true;
    }
	return false;
}
bool check1()
{
	//蛇头碰到上下边界，游戏结束
	if (snake1.y[0] == 0 || snake1.y[0] == MAPHEIGHT)
		return true;
	//蛇头碰到左右边界，游戏结束
	if (snake1.x[0] == 0 || snake1.x[0] == MAPWIDTH)
		return true;
	//蛇头碰到蛇身，游戏结束
	for (int i = 1; i < snake1.len; i++)
	{
		if (snake1.x[i] == snake1.x[0] && snake1.y[i] == snake1.y[0])
			return true;
	}
	for (int i = 0; i < snake.len; i++)
	{
		if (snake.x[i] == snake1.x[0] && snake.y[i] == snake1.y[0])
			return true;
	}
	return false;
}
void MENU ()//打印菜单界面
{
    printf("\n\n\n\n\t\t\t\t     ╔═══════════════════════════════════════╗\n");
    printf("\t\t\t\t     ║                                       ║\n");
    printf("\t\t\t\t     ║            欢迎来到贪吃蛇             ║\n");
    printf("\t\t\t\t     ║                                       ║\n");
    printf("\t\t\t\t     ║                                       ║\n");
    printf("\t\t\t\t     ║        ┏━━┓        ┏━━┓        ┏━━┓   ║\n");
    printf("\t\t\t\t     ║   开始:┃ 1┃   规则:┃ 2┃   退出:┃ 3┃   ║\n");
    printf("\t\t\t\t     ║        ┗━━┛        ┗━━┛        ┗━━┛   ║\n");
    printf("\t\t\t\t     ║                                       ║\n");
    printf("\t\t\t\t     ║                                       ║\n");
    printf("\t\t\t\t     ╚═══════════════════════════════════════╝\n");

    switch(getch()){
        case '1':
                system("cls");
                START();
                break;
        case '2':
                system("cls");
                RULE();
                MENU();
                break;
        case '3':
                exit(0);
                break;
        default:
            system("cls");
            printf("error");
            MENU();

        }
}
void RULE ()
{
    system("cls");//清屏
	printf("\t╔══════════════════════════════════════════════════════════════════════════════════════════════════╗\n");
	printf("\t║本游戏玩家一（左侧）通过按键W、S、A、D（不区分大小写）四个键分别控制snake1上移、下移、左移和右移。║\n");
	printf("\t║玩家二（右侧）过按键8、5、4、6 四个键分别控制snake2上移、下移、左移和右移。                       ║\n");
	printf("\t║每局游戏两分钟，死亡则直接失败，若时间结束，则分高者获胜。                                        ║\n");
	printf("\t╚══════════════════════════════════════════════════════════════════════════════════════════════════╝\n");
	system("pause");//暂停
	system("cls");//清屏
}
void START()
{
    time_t time_sec = 0;
    time_t old_sec = 0;
	MAP();
	system("pause");
	time(&time_sec);          //获取时间
	old_sec = time_sec;       //保存时间
    while (!check()&&!check1())
	{
		OPERATION();
        createFood();
		createFood1();
		Sleep(speed);
		time(&time_sec);          //获取秒数保存到time_t变量
        if(time_sec != old_sec)   //如果秒数改变（计时达到1秒）
        {
            old_sec = time_sec;   //更新旧的秒数
            if(sec > 0)
                sec--;            //计时秒数减1
            else
            {
                sec = 59;         //如果原秒数为0，则变为59
                    min--;        //计时分钟减1
            }
        }
        if(min==0&&sec==0)
            break;
        if(sec>=8)
          printf("\a");
        gotoxy(4,1);
        printf("倒计时——%02d:%02d\r",min, sec);
    }
    system("cls");
    printf("\n\n\t\t\tGame Over!\n");
    system("pause");
}

void OVER ()
{
    system("cls");
    printf("\n\n\n\n\t\t\t\t╔═══════════════════════════════════════════╗\n");
    printf("\t\t\t\t║                                           ║\n");
    printf("\t\t\t\t║                  游戏结束                 ║\n");
    printf("\t\t\t\t║                                           ║\n");
    printf("\t\t\t\t║                                           ║\n");
    if(check()&&!check1())
        printf("\t\t\t\t║  玩家一（左侧）获胜，玩家二（右侧）失败。 ║\n");
    else if(!check()&&check1())
        printf("\t\t\t\t║  玩家一（左侧）失败，玩家二（右侧）获胜。 ║\n");
    else
    {
        printf("\t\t\t\t║          玩家一本次游戏得分为：%4d       ║\n", sorce1);
        printf("\t\t\t\t║          玩家二本次游戏得分为：%4d       ║\n", sorce);
        if(sorce>sorce1)
            printf("\t\t\t\t║  玩家一（左侧）失败，玩家二（右侧）获胜。 ║\n");
        else if(sorce1>sorce)
            printf("\t\t\t\t║  玩家一（左侧）获胜，玩家二（右侧）失败。 ║\n");
        else
            printf("\t\t\t\t║              恭喜你们平局了!              ║\n");
    }
    printf("\t\t\t\t║                                           ║\n");
    printf("\t\t\t\t║                                           ║\n");
    printf("\t\t\t\t╚═══════════════════════════════════════════╝\n");

}
int main ()
{
    system("title 双人贪吃蛇");
    system("color F0");
    MENU();

    OVER();

    return 0;
}

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