easyx贪吃蛇代码（vs2022）

#define _CRT_SECURE_NO_WARNINGS
#include
#include
#include
#include

#define SNAKE_MAX 100//蛇的最大长度
#define HEIGHT 480//窗口高度
#define WIDTH 630//窗口宽度
#define R 15//单位圆半径


enum snakedir//枚举变量定义方向
{
    UP,
    DOWN,
    LEFT,
    RIGHT,
};

struct Snake//蛇的结构体
{
    int size;//长度
    int dir;//移动方向
    int speed;//速度
    POINT coor[SNAKE_MAX];//坐标结构体，包含x和y
}snake;

struct Food//食物结构体
{
    int x;
    int y;
    int r;//半径
    bool flag;//判断食物是否被吃掉
}food;

void gameinit()//游戏初始化
{
    initgraph(WIDTH, HEIGHT,SHOWCONSOLE);//创建图形窗口
    srand(GetTickCount());//生成随机数种子
    snake.size = 3;//蛇的初始长度
    for (int i = 0;i 0; i--)
    {
        snake.coor[i] = snake.coor[i - 1];
    }
    switch (snake.dir)
    {
    case UP:
        snake.coor[0].y-=snake.speed;
        if (snake.coor[0].y < 0)//四个方向if穿墙
        {
            snake.coor[0].y = HEIGHT - R;
        }
        break;
    case DOWN:
        snake.coor[0].y+=snake.speed;
        if (snake.coor[0].y > HEIGHT)
        {
            snake.coor[0].y = R;
        }
        break;
    case LEFT:
        snake.coor[0].x-=snake.speed;
        if (snake.coor[0].x < 0)
        {
            snake.coor[0].x = WIDTH - R;
        }
        break;
    case RIGHT:
        snake.coor[0].x+=snake.speed;
        if (snake.coor[0].x > WIDTH)
        {
            snake.coor[0].x = R;
        }
        break;
    }
    
}

void EatFood()
{
    if (snake.coor[0].x == food.x && snake.coor[0].y == food.y && food.flag==true)
    {
        snake.size++;
        food.flag = false;
    }
    if (!food.flag)
    {
        food.x = 15 + rand() % 21 * R * 2;
        food.y = 15 + rand() % 16 * R * 2;
        food.r = R;
        food.flag = true;
    }
}

void keycontrol()//通过键盘控制蛇的移动方向
{

    if (_kbhit())
    {
        switch (_getch())
        {
        case 'w':
        case 'W':
        case 72:
            if (snake.dir != DOWN)
            {
                snake.dir = UP;
            }
            break;
        case 's':
        case 'S':
        case 80:
            if (snake.dir != UP)
            {
                snake.dir = DOWN;
            }
            break;
        case 'a':
        case 'A':
        case 75:
            if (snake.dir != RIGHT)
            {
                snake.dir = LEFT;
            }
            break;
        case 'd':
        case 'D':
        case 77:
            if (snake.dir != LEFT)
            {
                snake.dir = RIGHT;
            }
            break;
        case ' '://按空格暂停
            while (1)
            {
                if (_getch() == ' ')//再次按空格继续
                {
                    return;
                }
            }
            break;

        }
    }
}

int main()
{
    gameinit();//初始化
    while (1)
    {
        snakemove();
        gamedraw();
        keycontrol();
        EatFood();
        Sleep(90);
    }
    closegraph();
    return 0;
}

c++编译

未解决食物会出现在蛇内部的问题