C语言完成贪吃蛇小游戏（可加速减速和计算分数），链表的加强与巩固。_c语言贪吃蛇加速减速

话先不多说，代码分为三个文件.h头文件，.c代码文件和.c测试文件 如下：
snake.h文件

#include <stdio.h>
#include <windows.h>
#include <stdlib.h>
#include <time.h>
#include <malloc.h>
#define WALL "■"
#define FOOD "★"

#define INIT_X 20
#define INIT_Y 10

enum Direction
{
    UP = 1,
    DOWN,
    LEFT,
    RIGHT
};

enum GameStaus
{
    OK,
    NORMAL_END,
    KILL_BY_WALL,
    KILL_BY_SELF
};

typedef struct SnakeNode
{
    int x;
    int y;
    struct SnakeNode* next;
}SnakeNode,*pSnakeNode;

typedef struct Snake
{
    pSnakeNode _pSnake;    //蛇的坐标
    pSnakeNode _pFood;      //食物
    int _TotalScore;       //总分
    int _AddScore;         //增加分数的频率
    int _SleepTime;         //休眠时间
    enum Direction _Dir;      //方向
    enum GameStaus _Status;    //游戏状态
}Snake,*pSnake;

pSnakeNode BuySnakeNode();
void CreatMap();
void SetPos();
void WelcomeToGame();
void InitSnake(pSnake ps);
void CreatFood(pSnake ps);
void GameStart(pSnake ps);
void SpeedUp(pSnake ps);
void SlowDown(pSnake ps);
void IsKill(pSnake ps);
void SleepSnake();
void EatFood(pSnake ps,pSnakeNode NextDir);
void NotFood(pSnake ps,pSnakeNode NextDir);
void SnakeMove(pSnake ps);
void GameRun(pSnake ps);
void GameEnd(pSnake ps);
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snake.c文件

#include "snake.h"

void SetPos(int x,int y)
{
    COORD pos = {
  0};
    HANDLE hOutput = NULL;
    pos.X = x;
    pos.Y = y;
    hOutput = GetStdHandle(STD_OUTPUT_HANDLE);  //获取一个指向特定标准设备的句柄
    SetConsoleCursorPosition(hOutput,pos);      //设置控制台光标的位置
}

pSnakeNode BuySnakeNode()
{
    pSnakeNode newNode = (pSnakeNode)malloc(sizeof(SnakeNode));
    if(NULL == newNode)
    {
        perror("malloc()");
        exit(1);
    }
    newNode->x = 0;
    newNode->y = 0;
    newNode->next = NULL;
    return newNode;
}
void WelcomeToGame()
{
    system("mode con cols=100 lines=30");
    SetPos(37,15);
    printf("欢迎进入贪吃蛇游戏\n");
    system("pause");
    system("cls");
    SetPos(30,14);
    printf("请通过键盘的↑，↓，←，→键控制蛇的方向，F1加速，F2减速\n");
    SetPos(30,15);
    printf("速度越高获得分数越高\n");
    system("pause");
    system("cls");
}
void CreatMap()
{
    int i=0;
    for(i=0;i<60;i+=2)
    {
        SetPos(i,0);
        printf(WALL);
    }
    for(i=0;i<60
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