貪吃蛇程式的一些問題-有解無憂

我在網上看別人寫的程式后，用visual studio 2019重新撰寫了一邊，撰寫完成后，程式可以運行，食物也會生成，也可以吃食物，但是蛇無法通過按鍵移動，只會按照初始方向移動，一旦按鍵蛇就會停止移動，但程式不會停止，且按鍵后會右邊的顯示視窗列印出相應的字符，求大神指導一下。以下是程式代碼：由于發帖時，文章不能帶有黑色方塊，所以我將其替換為BLACK,請運行時改回來。
#pragma warning(disable:4996)
#include <stdio.h>
#include <time.h>
#include <windows.h>
#include <stdlib.h>
#include <conio.h>

#define INFO_X 100  //提示資訊區橫坐標
#define WIDE 50     //游戲界面寬度
#define HIGH 36     //游戲界面高度
#define LEVELUP 5   //升級所需的食物個數
struct Snakes
{
    int X[100];     //蛇身的橫坐標
    int Y[100];     //蛇身的縱坐標
    int length;     //蛇的長度
    int speed;      //蛇移動速度
    int count;      //蛇吃到食物個數
};
struct Food
{
    int X;          //食物橫坐標
    int Y;          //食物縱坐標
};
/* 定義全域變數 */
unsigned char key;
int i, j, k, end[2];                //i,j,k為回圈變數，end陣列用來做蛇尾坐標的中間變數
struct Snakes s, * snake = &s;       //定義蛇的結構體指標并指向蛇的結構體
struct Food f, * food = &f;          //定義食物結構體指標并指向食物結構體
/* 食物結構 */
/* 蛇身結構 */
void Setcolor(int forcolor, int bakcolor)
{
    /*
    0=黑色,   8=灰色,
    1=藍色,   9=淡藍色,
    2=綠色,   A=淡綠色,
    3=湖藍色, B=淡淺綠色,
    4=紅色,   C=淡紅色,
    5=紫色,   D=淡紫色,
    6=黃色,   E=淡黃色,
    7=白色,   F=亮白色
    */
    HANDLE winhandle;
    winhandle = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleTextAttribute(winhandle, forcolor + bakcolor * 0x10);
}
/* 設定游標位置 */
void SetPos(int x, int y)
{
    HANDLE winhandle;
    COORD pos = { x,y };
    winhandle = GetStdHandle(STD_OUTPUT_HANDLE);
    SetConsoleCursorPosition(winhandle, pos);
}
/* 顯示提示和選單 */
void ShowMenu()
{
    SetPos(INFO_X + 17, 1);
    Setcolor(9, 0);
    printf("歡迎來到貪吃蛇！");
    SetPos(INFO_X + 17, 5);
    printf("Esc  退出游戲");
    SetPos(INFO_X + 17, 7);
    printf("空格暫停游戲");
    SetPos(INFO_X + 17, 9);
    printf("↑↓←→ 控制蛇頭方向");
    SetPos(INFO_X + 17, 11);
    printf("長按方向鍵加速");
    SetPos(INFO_X + 17, 15);
    printf("游戲得分：%d", snake->count * 100);
    SetPos(INFO_X + 17, 17);
    printf("當前級別：%d", snake->count / LEVELUP + 1);
    SetPos(INFO_X + 17, 19);
    printf("當前速度：%d", snake->speed);
    SetPos(INFO_X + 17, 21);
    printf("吃到食物：%d", snake->count);
    SetPos(INFO_X + 17, 23);
    printf("食物坐標：%-2d,%-2d", food->X, food->Y);
}

/* 游戲結束 */
void GameOver()
{
    system("cls");
    SetPos(WIDE, HIGH / 2);
    printf("游戲結束!");
    ShowMenu();
    SetPos(0, HIGH);
    exit(0);
    getchar();
}
/* 設定控制臺標題和大小 */
void SetTitle()
{
    //設定控制臺視窗大小
    system("mode con cols=150 lines=40");
    //設定控制臺標題
    SetConsoleTitle("貪吃蛇");
}
/* 設定控制臺顏色 */

void Cleanlin(int x, int y)
{
    SetPos(x, y);
    for (i = 0;i < 50;i++)
    {
        printf(" ");
    }
}
/* 設定游戲界面 */
void Table()
{
    for (i = 0;i < HIGH;i++)
    {
        if (i == 0 || i == HIGH - 1)
        {
            for (k = 0;k < WIDE * 2 - 1;k += 2)
            {
                SetPos(k, i);
                printf("BLACK");
            }
            continue;
        }
        else
        {
            for (j = 0;j < WIDE * 2 - 1;j += 2)
            {
                if (j == 0 || j == WIDE * 2 - 2)
                {
                    SetPos(j, i);
                    printf("BLACK");
                }
            }
        }
    }
}
/* 顯示提示和選單 */

void init_snake()
{
    snake->X[0] = WIDE;                   //初始化蛇的橫坐標
    snake->Y[0] = HIGH / 2;                 //初始化蛇的豎坐標
    end[0] = *snake->X;                    //記住蛇尾橫坐標
    end[1] = *snake->Y;                    //記住蛇尾縱坐標
    snake->speed = 300;                   //初始化蛇的速度為300ms
    snake->length = 3;                    //初始化蛇的長度為3節
    snake->count = 0;                     //初始化蛇吃的個數為0
    for (i = 1;i < snake->length;i++)
    {
        /* 依次得到蛇身、蛇頭的坐標 */
        snake->X[i] = snake->X[i - 1] + 2;
        snake->Y[i] = snake->Y[i - 1];
    }
}
/* 移動蛇身 */
void move_snake()
{
    SetPos(snake->X[0], snake->Y[0]);
    printf("  ");               /* 清除蛇尾*/
    for (i = 1;i < snake->length;i++)
    {/* 后一節的坐標依次取代前一節的坐標 */
        snake->X[i - 1] = snake->X[i];
        snake->Y[i - 1] = snake->Y[i];
    }
}
/* 顯示蛇身 */
void print_snake()
{
    for (i = 0;i < snake->length;i++)
    {
        SetPos(snake->X[i], snake->Y[i]);
        if (i == 0)
        {
            printf("^");    //列印蛇尾
        }
        else if (i == snake->length - 1)
        {
            printf("¤");    //列印蛇頭
        }
        else
        {
            printf("⊙");    //列印蛇身
        }
    }
}
/* 產生食物 */
void get_food()
{
    srand((unsigned)time(NULL));
    while (1)
    {
        food->X = ((rand() % (WIDE - 3)) + 1) * 2;
        food->Y = (rand() % (HIGH - 2)) + 1;
        for (i = 0;i < snake->length;i++)
        {
            if (food->X == snake->X[i] && food->Y == snake->Y[i])
            {
                break;
            }
        }
        if (i == snake->length)
        {
            SetPos(food->X, food->Y);
            Setcolor(10, 0);
            printf("⊙");
            Setcolor(9, 0);
            break;
        }
    }
}
/* 吃食物 */
void eat_food()
{
    if (snake->X[snake->length - 1] == food->X && snake->Y[snake->length - 1] == food->Y)
    {/*如果蛇頭坐標和食物坐標相同，吃掉食物，身長加1。*/
        snake->length++;
        for (i = snake->length - 1;i > 0;i--)
        {/* 蛇后節坐標依次賦值給蛇前一節的坐標，依次得到蛇身及蛇頭的坐標 */

            snake->X[i] = snake->X[i - 1];
            snake->Y[i] = snake->Y[i - 1];
        }
        snake->X[0] = end[0];
        snake->Y[0] = end[1];
        get_food();
        snake->count++;
        if (snake->count % LEVELUP == 0)
        {/* 當蛇吃LEVELUP個食物時，速度加快20毫秒并且升一級 */
            snake->speed -= 20;
        }
    }
}
/* 穿墻 */
void through_wall()
{   /* 當蛇碰到移動方向的邊界時，蛇身穿過邊界從相對的另一邊出現。*/
    if (key == 72 && snake->Y[snake->length - 1] == 0)//上鍵
    {
        snake->Y[snake->length - 1] = HIGH - 2;
    }
    if (key == 77 && snake->X[snake->length - 1] == WIDE * 2 - 2)//右鍵
    {
        snake->X[snake->length - 1] = 2;
    }
    if (key == 80 && snake->Y[snake->length - 1] == HIGH - 1)//下鍵
    {
        snake->Y[snake->length - 1] = 1;
    }
    if (key == 75 && snake->X[snake->length - 1] == 0)//左鍵
    {
        snake->X[snake->length - 1] = (WIDE - 2) * 2;
    }
}
/* 判斷蛇的死亡 */
void die()
{
    for (i = 0;i < snake->length - 1;i++)
    {   /* 當蛇頭碰到蛇身，蛇死亡。 */
        if (snake->X[snake->length - 1] == snake->X[i] && snake->Y[snake->length - 1] == snake->Y[i])
        {
            GameOver();
        }
    }
}
/* 得到用戶輸入 */
void GetKey()
{
    switch (key)
    {
    case 27://Esc鍵--結束游戲
    {
        GameOver();
        break;
    }
    case 32://空格鍵--暫停游戲
    {
        SetPos(INFO_X + 13, HIGH - 5);
        Setcolor(5, 0);
        Sleep(500);
        printf("游戲暫停，按方向鍵繼續!");
        Setcolor(9, 0);
        SetPos(0, HIGH);
        break;
    }
    case 72://上鍵
    {
        move_snake();
        snake->Y[snake->length - 1] -= 1;
        break;
    }
    case 77://右鍵
    {
        move_snake();
        snake->X[snake->length - 1] += 2;
        break;
    }
    case 80://下鍵
    {
        move_snake();
        snake->Y[snake->length - 1] += 1;
        break;
    }
    case 75://左鍵
    {
        move_snake();
        snake->X[snake->length - 1] -= 2;
        break;
    }
    }
}
/* 開始游戲 */
void GameStar()
{
    key = 77;                 //初始化蛇向右移動
    SetTitle();             //設定控制臺標題和大小
    Setcolor(4, 0);
    Table();                //初始化游戲界面
    init_snake();           //初始化蛇身
    get_food();             //初始化第一個食物
    while (1)
    {
        Cleanlin(INFO_X, HIGH - 5);
        ShowMenu();
        end[0] = snake->X[0];
        end[1] = snake->Y[0];
        j = 0;
        if (_kbhit())
        {/* 判斷是否按下鍵盤，如果按下，ch接收鍵盤輸入 */
            key = getchar();
            if (_kbhit())
            {/* 如果長按鍵盤，則加速 */
                Sleep(20);
                j = 1;
            }
        }
        GetKey();
        through_wall();
        eat_food();
        print_snake();
        die();
        if (j == 0)
        {
            Sleep(snake->speed);        //延遲時間
        }
        else
        {
            Sleep(10);
        }
    }
}
int main()
{
    GameStar();
    return 0;
}

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標籤：C語言

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