贪吃蛇（顶配）

心力憔悴，直接贴代码

#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>
#include<time.h>
#include<conio.h>
constexpr auto maphigh = 28, mapwide = 84;
struct virus
{
    int x;
    int y;
}virus;
unsigned short snakesize = 50, speed = 300, len = 4;
struct snake
{
    int x[50];
    int y[50];
    int len;//蛇的长度
    int speed;//蛇的速度
}snake;
int key = 'w';//初始化方向
void gotoxy(int x, int y);
void drawmap();
void keydown();
void creatvirus();
int snakestatus();
void startgame();
int menuselect();
void goodbye();
void introduce();
void edition();
int setup();
void respect();
int setup1();
int modifydiffculty();
void diffculty();
int customize();
void customize1();
int main()
{
    for (;;)
    {
        system("cls");//清屏
        switch (menuselect())
        {
        case 1://开始游戏
            startgame();
            break;
        case 2://介绍
            introduce();
            break;
        case 3://版本
            edition();
            break;
        case 4://设置
            setup1();
            break;
        case 5:
            goodbye();
            return 0;
        default:
            break;
        }
    }
}
void drawmap()//1.画地图
{
    //⊙:病毒    █：蛇身(占用两个字符）
    srand((unsigned int)time(NULL));//随机病毒出现的位置
    int i, k;
    for (i = 0; i <= maphigh; i++)
    {
        gotoxy(0, i);
        printf("█");//打印左边框
        gotoxy(mapwide, i);
        printf("█");//打印右边框
    }
    for (i = 0; i <= mapwide; i += 2)//+=2因为 █占两个字节
    {
        gotoxy(i, 0);
        printf("█");//打印下边框
        gotoxy(i, maphigh);
        printf("█");//打印上边框
    }
    //画蛇
    snake.len = len;
    snake.speed = speed;
    //初始化蛇的位置
    snake.x[0] = mapwide / 2;
    snake.y[0] = maphigh / 2;//[0]为蛇头的位置
    //画蛇头
    gotoxy(snake.x[0], snake.y[0]);
    printf("█");
    //画蛇身
    for (k = 1; k < snake.len; k++)
    {
        snake.x[k] = snake.x[k - 1] + 2;
        snake.y[k] = snake.y[k - 1];
        gotoxy(snake.x[k], snake.y[k]);
        printf("█");
    }
    while (1)
    {
        virus.x = rand() % (mapwide - 4) + 2;//+2,+1这个与█所占的字符有关，长占两个字符宽1个
        virus.y = rand() % (maphigh - 2) + 1;//画个图，显而易见
        if (virus.x % 2 == 0)
            break;
    }
    gotoxy(virus.x, virus.y);
    printf("⊙");
    gotoxy(mapwide + 4, maphigh);
    printf("⊙:%d", snakesize - snake.len);
}
void creatvirus()//2.产生病毒
{
    if (snake.x[0] == virus.x && snake.y[0] == virus.y)
    {
        //printf("\a");//声音
        snake.len++;
        srand((unsigned)time(NULL));
        while (1)
        {
            int flag = 1;
            virus.x = rand() % (mapwide - 4) + 2;//+2,+1这个与█所占的字符有关，长占两个字符宽1个
            virus.y = rand() % (maphigh - 2) + 1;//画个图，显而易见
           //产生的病毒不能在蛇的身上
            for (int k = 0; k < snake.len; k++)
            {
                if (snake.x[k] == virus.x && snake.y[k] == virus.y)
                {
                    flag = 0;//virus不合适的标志
                    break;
                }
            }
            if (flag == 1 && virus.x % 2 == 0)//病毒位置合法且x坐标为偶数
            {//x左右是以两个字节为单位运动的，若virus的x坐标为奇数，就不存在snake.x[k] == virus.x
                break;
            }
        }
    }
    gotoxy(virus.x, virus.y);
    printf("⊙");
    gotoxy(mapwide + 8, 0);//将光标移走
    printf("W");
    gotoxy(mapwide + 6, 1);
    printf("A S D \t进行控制");
    gotoxy(mapwide + 4, maphigh);
    printf("⊙:%d", snakesize - snake.len);
}
void keydown()//3.按键
{
    int i, temp;
    if (_kbhit()) //kbhit函数检查当前是否有键盘输入，若有则返回一个非0值，否则返回0
    {
        fflush(stdin);// 清空输入缓冲区，通常是为了确保不影响后面的数据读取
        temp = _getch();//getch:从控制台读取一个字符，但不显示在屏幕上
        if ((temp == 'a' || temp == 'A') && (key != 'D' && key != 'd'))//解决了按反方向键蛇自杀的问题
        {
            key = temp;
        }
        if ((temp == 'w' || temp == 'W') && (key != 's' && key != 'S'))
        {
            key = temp;
        }
        if ((temp == 's' || temp == 'S') && (key != 'W' && key != 'w'))
        {
            key = temp;
        }
        if ((temp == 'D' || temp == 'd') && (key != 'a' && key != 'A'))
        {
            key = temp;
        }
    }
    //擦除最后一节
    gotoxy(snake.x[snake.len - 1], snake.y[snake.len - 1]);
    printf("  ");
    for (i = snake.len - 1; i > 0; i--)
    {
        snake.x[i] = snake.x[i - 1];//以前1的位置现在变成了2，0变成了1
        snake.y[i] = snake.y[i - 1];
    }
    switch (key)//最后一节已经擦出，前移后0,1位置重合,左上角坐标为0，0
    {
    case'w':
    case'W':
        snake.y[0]--;
        break;
    case's':
    case'S':
        snake.y[0]++;
        break;
    case'a':
    case'A':
        snake.x[0] -= 2;
        break;
    case'd':
    case'D':
        snake.x[0] += 2;
        break;
    }
    gotoxy(snake.x[0], snake.y[0]);
    printf("█");
    gotoxy(mapwide + 2, 0);//将光标移走
}
int snakestatus()//4.蛇的状态
{
    if ((snake.x[0] == 0 || snake.x[0] == mapwide) || (snake.y[0] == 0 || snake.y[0] == maphigh))
        return 0;
    for (int k = 1; k < snake.len; k++)
    {
        if (snake.x[0] == snake.x[k] && snake.y[0] == snake.y[k])
            return 0;
    }
    return 1;
}
void gotoxy(int x, int y)
{//1.找到控制台这个窗口
    HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
    /*HANDLE为句柄  ↑得到（输出窗口的）句柄。
    Windows是一个以虚拟内存为基础的操作系统，很多时候，
    进程的代码和数据并不全部装入内存，进程的某一段装入内存后，
    还可能被换出到外存，当再次需要时，再装入内存。两次装入的地址绝大多数情况下是不一样的。
    也就是说，同一对象在内存中的地址会变化。那么，程序怎么才能准确地访问到对象呢？为了解决这个问题，Windows引入了句柄。
    数值上，是一个32位无符号整型值（32位系统下）；逻辑上，相当于指针的指针；形象理解上，是Windows中各个对象的一个唯一的、固定不变的ID；
    作用上，Windows使用句柄来标识诸如窗口、位图、画笔等对象，并通过句柄找到这些对象。*/
    //2.设置光标
    COORD coord;
    /*COORD 为Windows.h中自带函数原型大体为struct _coord{short x;short y;}coord;*/
    coord.X = x;
    coord.Y = y;
    //4.同步到控制台SetConsoleCursorPosition
    SetConsoleCursorPosition(handle, coord);//定位到handle这个窗口，把光标打在coord坐标
}
void startgame()
{
    system("cls");
    drawmap();
    while (1)
    {
        creatvirus();
        keydown();
        Sleep(snake.speed);//void sleep(int seconds)自带函数参数 seconds 为要暂停的毫秒数。
        if (!snakestatus())//判断死亡时snakestaus为0,
        {
            gotoxy(mapwide / 2, maphigh / 2);
            printf("好啦！死翘翘了叭！");
            getchar();
            getchar();
            break;
        }
        if (snake.len == snakesize)
        {
            gotoxy(mapwide / 3, maphigh / 2);
            printf("恭喜您消灭了全部病毒，胜利(＾－＾)V");
            getchar();
            respect();
            break;
        }
    }
}
int menuselect()
{
    char number;
    int a;
    printf("\n\n\t\t\t\t\t\t1.开始游戏\n");
    printf("\n\t\t\t\t\t\t2.游戏介绍\n");
    printf("\n\t\t\t\t\t\t3.游戏版本\n");
    printf("\n\t\t\t\t\t\t4.设置\n");
    printf("\n\t\t\t\t\t\t5.退出游戏\n");
    printf("\n\t\t\t\t\t\t6请选择数字");

    while (1)
    {
        number = getchar();
        a = (int)number - 48;
        if (number <= '5' && number >= '1')
            return a;
        printf("\n\t\t\t\t\t\t\t      ");
    }
}
void goodbye()
{
    system("cls");
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_INTENSITY | FOREGROUND_RED);//设置红色
    gotoxy(0, 12);
    printf("\t\t\t\t\t\t谢谢使用！再见！\n");
    getchar();
    getchar();
}
void respect()
{
    system("cls");
    gotoxy(0, 4);
    printf("\t\t*在此向全国的医护人员表示敬意*\n\n");
    Sleep(1000);
    printf("\t\t*感谢他们的默默付出*\n\n");
    Sleep(1000);
    printf("\t\t*感谢他们对抗击疫情做出的贡献*\n\n");
    Sleep(1000);
    printf("\t\t*此致*\n\n");
    printf("\t\t*                      敬礼 *\n\n");
    Sleep(2000);
    getchar();
}
void introduce()
{
    system("cls");
    gotoxy(0, 4);
    printf("\t\t\t\t        游戏规则           \n\n");
    printf("\t\t\t\t2021年新冠病毒再次袭来，威胁着人类\n\n");
    printf("\t\t\t\t玩家将控制蛇消灭随机出现的病毒⊙\n\n");
    printf("\t\t\t\t消灭所有病毒即可获得胜利。\n\n");
    printf("\n\n\n\n\n");
    printf("\t\t\t\t\tEnter返回主菜单");
    getchar();
    getchar();
}
void edition()
{
    system("cls");
    gotoxy(0, 4);
    printf("\t\t\t\t*********************************************\n\n");
    printf("\t\t\t\t*               欢         迎               *\n\n");
    printf("\t\t\t\t*                版本号： 1.2               *\n\n");
    printf("\t\t\t\t*        更新：1.修复了反方向自杀的问题     *\n\n");
    printf("\t\t\t\t*              2.修复了蛇吃墙的问题         *\n\n");
    printf("\t\t\t\t*              3.新增了菜单与设置功能       *\n\n");
    printf("\t\t\t\t*              4.修改了部分整形变量节省空间 *\n\n");
    printf("\t\t\t\t*********************************************\n\n");
    printf("\t\t\t\t\tEnter返回主菜单");
    getchar();
    getchar();
}
int setup()
{
    //system("color 6f"); //第一个为背景色，第二个为字体颜色
      /*0 = 黑色       8 = 灰色
    1 = 蓝色       9 = 淡蓝色
    2 = 绿色       A = 淡绿色
    3 = 湖蓝色     B = 淡浅绿色
    4 = 红色       C = 淡红色
    5 = 紫色       D = 淡紫色
    6 = 黄色       E = 淡黄色
    7 = 白色       F = 亮白色*/
    char s;
    int a;
    system("cls");
    printf("\n\n\t\t\t\t\t\t1.修改难度\n");
    printf("\n\t\t\t\t\t\t2.自义定设置\n");
    printf("\n\t\t\t\t\t\t3.颜色设置\n");
    printf("\n\t\t\t\t\t\t4.音效设置\n");
    printf("\n\t\t\t\t\t\t5.返回\n");
    printf("\n\t\t\t\t\t\t请选择（数字）");
    while (1)
    {
        s = getchar();
        a = (int)s - 48;
        if (s <= '5' && s >= '1')
            return a;
        printf("\n\t\t\t\t\t\t\t      ");
    }
}
int setup1()
{
    switch (setup())
    {
    case 1:
        diffculty();
        break;
    case 2:
        customize1();
        break;
    default:
        break;
    }
    return 0;
}
int modifydiffculty()
{
    char s;
    int a;
    system("cls");
    printf("\n\n\t\t\t\t\t\t1.简单\n");
    printf("\n\t\t\t\t\t\t2.普通\n");
    printf("\n\t\t\t\t\t\t3.困难\n");
    printf("\n\t\t\t\t\t\t4.修罗地狱\n");
    printf("\n\t\t\t\t\t\t请选择（数字）");
    while (1)
    {
        s = getchar();
        a = (int)s - 48;
        if (s <= '4' && s >= '1')
            return a;
        printf("\n\t\t\t\t\t\t\t      ");
    }
}
void diffculty()
{
    switch (modifydiffculty())
    {
    case 1:
        len = 4;
        speed = 500;
        snakesize = 10;
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t\t\t 修改成功！\n");
        printf("\t\t\t\t\t\t \n");
        system("pause");
        break;
    case 2:
        len = 4;
        speed = 300;
        snakesize = 25;
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t\t\t 修改成功！\n");
        printf("\t\t\t\t\t\t \n");
        system("pause");
        break;
    case 3:
        len = 4;
        speed = 70;
        snakesize = 50;
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t\t\t 修改成功！\n");
        printf("\t\t\t\t\t\t \n");
        system("pause");
        break;
    case 4:
        len = 4;
        speed = 25;
        snakesize = 70;
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t\t\t 修改成功！\n");
        printf("\t\t\t\t\t\t \n");
        system("pause");
        break;
    default:
        break;
    }
}
int customize()
{
    char s;
    int a;
    system("cls");
    printf("\n\n\t\t\t\t\t\t1.自定义速度\n");
    printf("\n\t\t\t\t\t\t2.自定义初始长度\n");
    printf("\n\t\t\t\t\t\t请选择（数字）");
    while (1)
    {
        s = getchar();
        a = (int)s - 48;
        if (s <= '2' && s >= '1')
            return a;
        printf("\n\t\t\t\t\t\t\t      ");
    }
}
void customize1()
{
    int s;
    switch (customize())
    {
    case 1://自定义速度
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t请输入速度(1-999)");
        scanf_s("%d", &s);
        speed = (1000 - s);
        break;
    case 2:
        system("cls");
        gotoxy(8, 8);
        printf("\t\t\t\t请输入初始长度：");
        scanf_s("%d", &s);
        len = s;
        break;
    default:
        break;
    }
}