C语言链表——贪吃蛇小游戏代码

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项目名称：

贪吃蛇小游戏

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运行环境：

Linux

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编程语言：

C语言

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主要语法：

链表，指针，函数

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备注：

游戏中可选不同难度模式，

1. 简易——Easy——速度慢，可穿墙，可触碰自己
2. 困难——Hard——速度快，不可穿墙，不可触碰自己
3. 自动——Auto——外挂模式，自动吃食，直到胜利

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代码

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贪吃蛇小游戏代码：

#include 
#include 
#include 
#include 
#include 

#define UP     1
#define DOWN   -1
#define LEFT   2
#define RIGHT  -2

struct Snake  		//define the snake
{
     
	int hang;
	int lie;
	struct Snake *next;
};

struct Snake food;	//define the food
struct Snake *head= NULL;
struct Snake *tail = NULL;
int key;
int dir;
int set = 49;
int nub = 4;

void initFood()		//init food
{
     
	int x = rand()%20;
	int y = (rand()%19)+1;
	food.hang = x;
	food.lie = y;
}

void initNcurse()	//init ncurse
{
     
	initscr();
	keypad(stdscr,1); 
	noecho();
}

int hasFood(int i,int j)	//judge whether shoule show the food
{
     
	if(food.hang == i && food.lie == j)
	{
     
		return 1;
	}
	return 0;
}

int hasSnakeNode(int i, int j)	//judge whether shoule show the snake
{
     
	struct Snake *p;
	p = head;
	while(p != NULL) 
	{
     
		if(p->hang == i && p->lie == j)
   		{
     	
                return 1;
		}
       		p = p->next;
	}
	return 0;
}

void gamePic()			//show the whole picture
{
     
	int hang;
	int lie;
	move(0,0);
	for(hang=0;hang<20;hang++)     //20*20 size map
	{
     
		if(hang == 0)
		{
     
			for(lie=0;lie<20;lie++)
			{
     
				printw("--");
			}
			printw("\n");	
		}
		if(hang >= 0 && hang <= 19)
		{
     
                        for(lie=0;lie<=20;lie++)
                        {
     
                                if(lie == 0 || lie == 20)
                                        printw("|");
                        	else if(hasSnakeNode(hang,lie))
				{
     
					printw("[]");
				}
				else if(hasFood(hang,lie))
				{
     
					printw("##");
				}
				else
                     			printw("  ");
			}
			printw("\n");
		}
		if(hang == 19)
                {
     
                        for(lie=0;lie<20;lie++)
                        {
     
                                printw("--");
                        }
			printw("\n");
		}
	}
	printw("by HaoQing, Happy Game!\n");
	switch(dir)
        {
     
                case UP:
                        printw("Snake UP!   \n");
                        break;
                case DOWN:
			printw("Snake DOWN! \n");
                        break;
                case LEFT:
			printw("Snake LEFT! \n");
                        break;
                case RIGHT:
			printw("Snake RIGHT!\n");
                        break;
        }
	if(nub >= 380)
	{
     
		printw("------------------------------------\n");
		printw("==============YOU WIN!==============\n");
        	printw("------------------------------------\n");
	}
}

void addNode()			//add the node of snake
{
     
	struct Snake *new = (struct Snake *)malloc(sizeof(struct Snake));
	
	new->next = NULL;

	switch(dir)
	{
     
		case UP:
			new->hang = tail->hang-1;
                        new->lie = tail->lie;
                        break;
		case DOWN:
                        new->hang = tail->hang+1;
                        new->lie = tail->lie;
                        break;
		case LEFT:
                        new->hang = tail->hang;
                        new->lie = tail->lie-1;
                        break;
		case RIGHT:
                        new->hang = tail->hang;
                        new->lie = tail->lie+1;
                        break;
	}
	tail->next = new;
	tail = new;
}

void initSnake()                //init snake
{
     
        struct Snake *p;

        dir = RIGHT;

        while(head != NULL)
        {
     
                p = head;
                head = head->next;
                free(p);
        }
        initFood();
        head = (struct Snake *)malloc(sizeof(struct Snake));
        head->hang = 1;
        head->lie = 1;
        head->next = NULL;

        tail = head;
        addNode();
        addNode();
        addNode();
}

void deleNode()			//delete the node of snake			
{
     
	struct Snake *p;
	p = head;
	head = head->next;
	free(p);
}

int ifSnakeDie()		//judge whether the snake is die
{
     
	struct Snake *p;
	p = head;
	if(tail->hang < 0 || tail->lie == 0 || tail->hang == 20 || tail->lie == 20)
        {
     
        	return 1;     
        }
	while(p->next != NULL)
	{
     
		if(p->hang == tail->hang && p->lie == tail->lie)
			return 1;
		p=p->next;
	}
	return 0;
}

void moveSnake()		//move the snake
{
     
	addNode();
	if(hasFood(tail->hang,tail->lie))
	{
     	initFood();
		nub++;		//judge whether win
	}
	else
		deleNode();
	if(set != 49 && set != 50 && set != 53)
	{
     
		if(ifSnakeDie())
			initSnake();
	}
}

void refreshJieMian()		//refresh the picture
{
     
	while(1)
	{
     
		moveSnake();
		gamePic();
		refresh();
		switch(set)
		{
     
			case 49:
				usleep(200000);
				break;
			case 50:
                                usleep(100000);
                                break;
			case 51:
                                usleep(100000);
                                break;
			case 52:
                                usleep(80000);
                                break;
			case 53:
				usleep(70000);
				break;
			default:
				usleep(150000);	
		}
	}
}

void turn(int direction)	//prevent reverse
{
     
	if(set != 49 && set != 50 && set != 53)
	{
     	if(abs(dir) != abs(direction))
		{
     
			dir = direction;
		}
	}
	else 
		dir = direction;
}

void changeDir()		//change direction
{
     
	while(1)
	{
     
		if(set != 53)
		{
     
			key = getch();
			switch(key)
			{
     
				case KEY_DOWN:
					turn(DOWN);   //-1
					break;
				case KEY_UP:
					turn(UP);     //1
					break;
				case KEY_LEFT:
					turn(LEFT);   //2
					break;
				case KEY_RIGHT:
					turn(RIGHT);  //-2
					break;
			}	
		}
		else
		{
     
			if(tail->hang > food.hang)
				turn(UP);
			else if(tail->hang < food.hang)
				turn(DOWN);
			if(tail->lie > food.lie)
				turn(LEFT);
			else if(tail->lie < food.lie)
				turn(RIGHT);	
		}
	}
}

int main()
{
     
	initNcurse();

	printw("======Welcome To Snake Eating!======\n");
	printw("------------------------------------\n");	
	printw("Please select difficulty level:\n");
	printw("\n");
	printw("   Fool,please enter    \"1\"\n");
	printw("   Simple,please enter  \"2\"\n");
	printw("   Hard,please enter    \"3\"\n");
	printw("   Hell,please enter    \"4\"\n");
	printw("   Auto,please enter    \"5\"\n");
	printw("------------------------------------\n");
	printw("You want:");

	set = getch();

	pthread_t t1;
	pthread_t t2;

	initSnake();

	gamePic();

	pthread_create(&t1,NULL,(void *)refreshJieMian,NULL);
	pthread_create(&t2,NULL,(void *)changeDir,NULL);

	while(1);

	endwin();
	return 0;
}

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附：

代码没写注释，有问题可留言。