DevC++贪吃蛇

int play(HANDLE hout) {
 system("cls");
    unsigned char ch = 77;
    struct Snake s, *snake = &s;
    struct Food  f, *food = &f;
    selectcover(hout, snake);
    makeframe(snake);
    initsnake(snake);
    printfood(hout, snake, food);
    Sleep(500);
    CLK = 0;
    HANDLE hThread;
 DWORD ThreadID;
 hThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)gettime, NULL, 0, &ThreadID); 
    while (1) {
        infor(hout, snake);
        //保存蛇尾横纵坐标
        a[0] = snake->x[0];
        a[1] = snake->y[0];
        j = 0;
        //如果用户敲击键盘
        if (kbhit()) {
            //用ch接收输入 ，注意是getch()，不需敲击回车
            ch = getch();
            if (kbhit()) {
            //长按时间
                Sleep(20);
                j = 1;
            }
        }
        switch(ch) {
            //向上移动
            case 'W':
            case 'w':
            case 72: {
                movesnake(hout, snake);
                //蛇头纵坐标减一
                snake->y[snake->length - 1] -= 1;
                break;
            }
            //向下移动
            case 'S':
            case 's':
            case 80: {
                movesnake(hout, snake);
                //蛇头纵坐标加一
                snake->y[snake->length - 1] = 1;
                break;
            }
            //向左移动
            case 'A':
            case 'a':
            case 75: {
                movesnake(hout, snake);
                //蛇头横坐标减二
                snake->x[snake->length - 1] -= 2;
                break;
            }
            //向右移动
            case 'D':
            case 'd':
            case 77: {
                movesnake(hout, snake);
                //蛇头横坐标加二
                snake->x[snake->length - 1] = 2;
                break;
            }
            //主菜单
            case 'E':
            case 'e': {
             system("cls");
             return 1;
             break;
            }
            default: {
    break;
   }
        }

        eatfood(hout, snake, food);
        printsnake(hout,snake);
        //如果判断蛇死亡，跳出循环
        if (ifdead(snake) == 0 || ch==27 /*||snake->speed==0*/ || snake->count == HEIGHT_POINTS) {
            gotoxy(hout, framex wide / 2, framey - 2);
            //if(snake->speed==0)
            if (snake->count == HEIGHT_POINTS)
                printf("恭喜你通关了！！!");
            else
                printf("你输了！！！");
            break;
        }

        if (j == 0)
        //如果没有长按，蛇滞留的时间为
            Sleep(snake->delay);
        //如果长按，蛇滞留的时间为 20ms，即加速
        else
            Sleep(20);
    }
    ECK = CLK;
    //跳出循环时 ，滞留场景一段时间
    Sleep(3000);
    //清屏
    system("cls");
    //显示结束界面
    //if(snake->speed==0)
   
    if (snake->count == HEIGHT_POINTS)
        printf("\n\n\n\n\n\t\t\t你赢了\n\n\t\t\t你得到了满分：%d\n\n\t\t\t你用了：%02d:%02d:%02d\n\n\n", HEIGHT_POINTS, ECK / 60 / 60, ECK / 60, ECK % 60);
    else
        printf("\n\n\n\n\n\t\t\t你输了\n\n\t\t\t你的最终得分是：%d\n\n\t\t\t你用了：%02d:%02d:%02d\n\n\n", snake->count, ECK / 60 / 60, ECK / 60, ECK % 60);
    printf("\t\t\t按Y继续玩，按N退出。\n\n\n");
    char x;
    x = _getch();
    if (x == 'Y' || x == 'y') {
     system("cls");
     return 1;
 }
    else return 0;
}