第一次写博客...大家见谅！今天给大家分享C++小程序贪吃蛇

有基础的人，一般都会做小程序练练手，我给大家分享一个经典小游戏------贪吃蛇
废话不多说，放代码：

#include <stdio.h>
#include <iostream>
#include <windows.h>
#include <stdlib.h>
#include <time.h>

typedef struct snake
{
    int x;
    int y;
    struct snake* next;
}Snake;
int X, Y;
char nicheng;
enum STATUS { Up = 1, Down, Left, Right };

Snake* pHead, * pBody;//the head of the snake

enum STATUS Direction;
int score = 0, scorePerFood = 0;
int gameStatus = 0;
int timeInterval = 200;
void gameEnd(void);
void setPosition(int x, int y)
{
    COORD pos;
    HANDLE hOutput;
    pos.X = x;
    pos.Y = y;
    hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleCursorPosition(hOutput, pos);
}
void hideCursor()
{
    CONSOLE_CURSOR_INFO cursor_info = { 1, 0 };
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor_info);
}
void creatInterface(void)
{
    int i;
    for (i = 0; i < 58; i += 2)
    {
        setPosition(i, 0);
        printf("■");
        setPosition(i, 26);
        printf("■");
    }
    for (i = 1; i < 26; i++)
    {
        setPosition(0, i);
        printf("■");
        setPosition(56, i);
        printf("■");
    }
    setPosition(65, 10);
    printf("介绍游戏按键:");
    setPosition(63, 12);
    printf("↑\t向上移动");
    setPosition(63, 14);
    printf("↓\t向下移动");
    setPosition(63, 16);
    printf("←\t向左移动");
    setPosition(63, 18);
    printf("→\t向右移动");
    setPosition(63, 20);
    printf("F1\t加速");
    setPosition(63, 22);
    printf("F2\t减速");
    setPosition(63, 24);
    printf("Space(空格键)\t暂停游戏");
    setPosition(63, 26);
    printf("ESC\t退出游戏");
    setPosition(63, 4);
    printf("分数:");
    setPosition(63, 6);
    printf("食物:");
}
void initializeSnake(void)
{
    Snake* pTail;
    int i;
    pTail = (Snake*)malloc(sizeof(Snake));
    pTail->x = 24;
    pTail->y = 5;
    pTail->next = NULL;
    for (i = 1; i < 4; i++)
    {
        pHead = (Snake*)malloc(sizeof(Snake));
        pHead->next = pTail;
        pHead->x = 24 + 2 * i;
        pHead->y = 5;
        pTail = pHead;//Important
    }
    while (pTail != NULL)
    {
        setPosition(pTail->x, pTail->y);
        printf("●");
        pTail = pTail->next;
    }
}
int biteSelf(void)
{
    Snake* pSelf = pHead->next;
    while (pSelf != NULL)
    {
        if (pHead->x == pSelf->x && pHead->y == pSelf->y)
        {
            return 1;
        }
        pSelf = pSelf->next;
    }
    return 0;
}
void creatFood(void)
{
    int flag = 0;
    X = Y = 4;
    srand((unsigned)time(NULL));
    do {
        X = rand() % 52 + 2;
        Y = rand() % 24 + 1;

        if (X % 2 != 0)
        {
            flag = 1;
        }
        else
        {
            flag = 0;
        }//Important
        pBody = pHead;
        while (pBody->next != NULL)
        {
            if (pBody->x == X && pBody->y == Y)
            {
                flag = 1;
            }
            pBody = pBody->next;
        }
    } while (flag == 1);
    setPosition(X, Y);
    printf("★");
}

void hitWall(void)
{
    if (pHead->x == 0 || pHead->x >= 56 || pHead->y == 0 || pHead->y >= 26)
    {
        gameStatus = 1;
        gameEnd();
    }
}
void snakeMove(void)
{
    Snake* pNextHead;
    hitWall();

    pNextHead = (Snake*)malloc(sizeof(Snake));
    pNextHead->next = pHead;
    switch (Direction)
    {
    case Up:
        pNextHead->x = pHead->x;
        pNextHead->y = pHead->y - 1;
        break;
    case Down:
        pNextHead->x = pHead->x;
        pNextHead->y = pHead->y + 1;
        break;
    case Right:
        pNextHead->x = pHead->x + 2;
        pNextHead->y = pHead->y;
        break;
    case Left:
        pNextHead->x = pHead->x - 2;
        pNextHead->y = pHead->y;
        break;
    default:
        break;
    }
    pHead = pNextHead;
    pBody = pHead;
    if (pNextHead->x == X && pNextHead->y == Y)
    {
        while (pBody != NULL)
        {
            setPosition(pBody->x, pBody->y);
            printf("●");
            pBody = pBody->next;
        }
        
        score += scorePerFood;
        
        creatFood();
    }
    else
    {
        setPosition(pBody->x, pBody->y);
        printf("●");
        while (pBody->next->next != NULL)
        {
            pBody = pBody->next;
        }
        setPosition(pBody->next->x, pBody->next->y);
        printf("  ");
        free(pBody->next);
        pBody->next = NULL;
    }
    if (biteSelf() == 1)
    {
        gameStatus = 2;
        gameEnd();
    }
}
void pause(void)
{
    while (1)
    {
        Sleep(300);
        if (GetAsyncKeyState(VK_SPACE))
        {
            break;
        }
    }
}
void gameCircle(void)
{
    Direction = Right;
    while (1)
    {
        scorePerFood = score / 10;
        setPosition(72, 4);
        printf("%d",score);
        setPosition(80, 6);
        printf("%d",scorePerFood);//Attention space is needed
        if (GetAsyncKeyState(VK_UP) && Direction != Down)
        {
            Direction = Up;
        }
        else if (GetAsyncKeyState(VK_DOWN) && Direction != Up)
        {
            Direction = Down;
        }
        else if (GetAsyncKeyState(VK_LEFT) && Direction != Right)
        {
            Direction = Left;
        }
        else if (GetAsyncKeyState(VK_RIGHT) && Direction != Left)
        {
            Direction = Right;
        }
        else if (GetAsyncKeyState(VK_SPACE))
        {
            pause();
        }
        else if (GetAsyncKeyState(VK_ESCAPE))
        {
            gameStatus = 3;
            break;
        }
        else if (GetAsyncKeyState(VK_F1))
        {
            if (timeInterval >= 70)
            {
                timeInterval -= 60;
            }
        }
        else if (GetAsyncKeyState(VK_F2))
        {
            if (timeInterval <= 400)
            {
                timeInterval += 60;
            }

        }
        switch (timeInterval)
        {
        case 20: scorePerFood = 20; break;
        case 80: scorePerFood = 15; break;
        case 140: scorePerFood = 12; break;
        case 200: scorePerFood = 10; break;
        case 260: scorePerFood = 8; break;
        case 320: scorePerFood = 6; break;
        case 380: scorePerFood = 4; break;
        case 440: scorePerFood = 2; break;
        default: scorePerFood = 0; break;
        }
        Sleep(timeInterval);
        snakeMove();
    }
}


void welcomePage(void)
{
    setPosition(35, 2);
    printf("欢迎来到贪吃蛇");
    setPosition(15, 5);
    printf("规则:");
    setPosition(15, 7);
    printf("1.  使用 ↑↓←→ 来控制蛇的走位");
    setPosition(15, 9);
    printf("2.  禁止咬蛇");
    setPosition(15, 11);
    printf("3.  禁止撞墙");
    setPosition(15, 13);
    printf("版本：V2.0");
    setPosition(15, 15);
    printf("制作工具：VS 2019");
    setPosition(28, 23);
    printf("按任意键继续...");
    setPosition(0, 28);
    getchar();
    system("cls");
}
void gameEnd(void)
{
    system("cls");
    setPosition(32, 10);
    switch (gameStatus)
    {
    case 1:
        printf(" 对不起,您撞到墙了!");
        break;
    case 2:
        printf("对不起,您撞到您自己了!");
        break;
    case 3:
        printf("按任意键结束游戏...");
        break;
    default:
        break;
    }
    setPosition(32, 14);
    printf("尊敬的游客,");
    printf(" 你最后的分数是:%d",score);
    getchar();
    setPosition(0, 25);
    exit(0);
}
void gameStart(void)
{
    system("mode con cols=100 lines=30");//no space around equal sign
    welcomePage();
    creatInterface();
    initializeSnake();
    creatFood();
}



//Main Function
int main(void)
{
    hideCursor();
    gameStart();
    gameCircle();
    gameEnd();
    return 0;
}

我用的编译器是vs2019，下面是程序运行画面：