C语言——贪食蛇简单实现

清疚 2022-07-14 04:46 182阅读 0赞

通过easyx图形库对贪食蛇的简单实现。

/************************************************
    *
    *		名称：贪食蛇
    *		工具：VS2015
    *		作者：黑盒子
    *
    *************************************************/
    
    #include <stdio.h>
    #include <graphics.h>
    #include <mmsystem.h>
    #include <conio.h>
    #include <time.h>
    #include <Windows.h>
    
    #pragma comment(lib,"winmm.lib")
    
    #define SNAKE_LENGTH 100  //蛇的最大长度
    #define SNAKESIZE 10 //食物大小
    
    void InitSnake();
    void DrawSnake();
    void MoveSnake();
    void ChangeSnake();
    void CoorFood();
    void DrawFood();
    int EatFood();
    void BreakSnake();
    void OverSnake();
    
    typedef enum ch
    {
    	up = 72,
    	down = 80,
    	left = 75,
    	right = 77
    }Ch;
    //定义坐标结构体
    struct Coor
    {
    	int x;
    	int y;
    }COOR;
    //定义蛇的结构体 蛇的属性（长度 坐标 方向）
    struct Snake
    {
    	Coor szb[SNAKE_LENGTH];   //蛇每一节的坐标
    	int n;						//当前长度
    	Ch ch;						//方向
    }SNAKE;
    //定义食物的结构体
    struct Food
    {
    	Coor fzb;
    	int flag;      //flag=0表示食物没有被吃 反之表示被吃了，
    	//flag 来限制食物的不断出现，每次只出现一个食物
    }FOOD;
    
    int main()
    {
    	int flag=0;
    	InitSnake();
    	while (1)
    	{
    		while (!_kbhit())
    		{
    			if (flag == 0)
    			{
    				CoorFood();
    			}
    			DrawFood();
    			BreakSnake();
    			MoveSnake();
    			flag = EatFood();
    			Sleep(100);
    		}
    		ChangeSnake();
    	}
    	getchar();
    	return 0;
    }
    
    void InitSnake()
    {
    	initgraph(640, 480);
    	
    	mciSendString(L"open TheFatRat-Unity.mp3 alias bgm", 0, 0, 0);
    	mciSendString(L"play bgm repeat", 0, 0, 0);
    	SNAKE.szb[0].x = 0;		//第一节蛇的坐标
    	SNAKE.szb[0].y = 0;
    	SNAKE.n = 1;			//蛇的初始节数
    	SNAKE.ch = right;
    	rectangle(0, 0, 10, 10);//试用小矩形来初始化小蛇
    	setbkcolor(RED);
    	cleardevice();
    }
    
    //在界面上画蛇
    void DrawSnake()
    {
    	for (int i = SNAKE.n-1; i >= 0; i--)
    	{
    		rectangle(SNAKE.szb[i].x, SNAKE.szb[i].y, 
    			SNAKE.szb[i].x + SNAKESIZE, SNAKE.szb[i].y + SNAKESIZE);
    	}
    	setcolor(RED);
    	rectangle(SNAKE.szb[SNAKE.n].x, SNAKE.szb[SNAKE.n].y,
    				SNAKE.szb[SNAKE.n].x + SNAKESIZE,
    				SNAKE.szb[SNAKE.n].y + SNAKESIZE);
    
    	setcolor(WHITE);
    	rectangle(SNAKE.szb[SNAKE.n-1].x, SNAKE.szb[SNAKE.n-1].y,
    		SNAKE.szb[SNAKE.n-1].x + SNAKESIZE,
    		SNAKE.szb[SNAKE.n-1].y + SNAKESIZE);
    }
    
    //移动
    void MoveSnake()
    {
    	for (int i = SNAKE.n; i > 0; i--)
    	{
    		SNAKE.szb[i].x = SNAKE.szb[i - 1].x;
    		SNAKE.szb[i].y = SNAKE.szb[i - 1].y;
    	}
    	switch (SNAKE.ch)
    	{
    	case up:
    		SNAKE.szb[0].y -= SNAKESIZE;
    		break;
    	case down:
    		SNAKE.szb[0].y += SNAKESIZE;
    		break;
    	case left:
    		SNAKE.szb[0].x -= SNAKESIZE;
    		break;
    	case right:
    		SNAKE.szb[0].x += SNAKESIZE;
    		break;
    	}
    	DrawSnake();
    }
    
    //让蛇移动  接收键盘方向键
    void ChangeSnake()
    {
    	int move;
    	move = getch();
    
    	switch (move)
    	{
    	case up:
    		if (SNAKE.ch != down)
    		{
    			SNAKE.ch = up;
    		}
    		break;
    
    	case down:
    		if (SNAKE.ch != up)
    		{
    			SNAKE.ch = down;
    		}
    		break;
    	case left:
    		if (SNAKE.ch != right)
    		{
    			SNAKE.ch = left;
    		}
    		break;
    	case right:
    		if (SNAKE.ch != left)
    		{
    			SNAKE.ch = right;
    		}
    		break;
    	}
    }
    
    //生成食物
    void DrawFood()
    {
    	setcolor(WHITE);
    
    	roundrect(FOOD.fzb.x, FOOD.fzb.y, FOOD.fzb.x + SNAKESIZE,
    		FOOD.fzb.y + SNAKESIZE, 10, 10);
    }
    
    void CoorFood()
    {
    	srand(unsigned(time(NULL)));
    
    	FOOD.fzb.x = rand() % (640 / SNAKESIZE)*SNAKESIZE;
    	FOOD.fzb.y = rand() % (480 / SNAKESIZE)*SNAKESIZE;
    	FOOD.flag = 1;
    }
    
    int EatFood()
    {
    	if (SNAKE.szb[0].x == FOOD.fzb.x&&SNAKE.szb[0].y == FOOD.fzb.y)
    	{
    		SNAKE.n++;
    		setcolor(RED);
    		roundrect(FOOD.fzb.x, FOOD.fzb.y, FOOD.fzb.x + SNAKESIZE,
    			FOOD.fzb.y + SNAKESIZE, 10, 10);
    		setcolor(WHITE);
    
    		FOOD.flag = 0;
    		return FOOD.flag;
    	}
    	return 1;
    }
    
    //判断是否撞墙或自己
    void BreakSnake()
    {
    	if (SNAKE.szb[0].x < 0 || SNAKE.szb[0].x>640 ||
    		SNAKE.szb[0].y < 0 || SNAKE.szb[0].y>470)//是否超出范围
    	{
    		OverSnake();
    	}
    	for (int i = SNAKE.n-2; i < SNAKE.n - 2; i--)
    	{
    		if (SNAKE.szb[0].x == SNAKE.szb[i].x&&
    			SNAKE.szb[0].y == SNAKE.szb[i].y)
    		{
    			OverSnake();
    		}
    	}
    }
    
    void OverSnake()
    {
    	cleardevice();
    	setcolor(YELLOW);
    	settextstyle(50, 0, L"华文彩云");
    	outtextxy(200, 150, L"you loss!");
    	outtextxy(180, 200, L"即将退出游戏-_-");
    
    	Sleep(2000);
    	closegraph();
    	exit(0);
    }

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想玩玩的话就去下载吧：http://pan.baidu.com/s/1miuIwvI

[Center]: /images/20220714/d08f0be18e9f45749aa557eac7626b66.png