c语言双人贪吃蛇-基于图形库实现

/*
蛇蛇大作战
作者：施瑞文
*/

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#pragma comment(lib,"winmm.lib")

#define R 30      
#define fram_width 30    //宽度
#define fram_height 30   //高度
#define SIZE 16            //方格边长

//玩家1
#define UP 'w' //72      上
#define DOWN 's' //80  下
#define LEFT 'a' //75   左
#define RIGHT 'd' //77  右
//玩家2
#define DOWN2 'k'    //72,80,75,77是方向键对应的键值  下
#define LEFT2 'j'   //左
#define RIGHT2 'l'   //右
#define UP2 'i'   //上

char ch = 'a';//用于记录方向，传统模式
char c = LEFT2;   //记录玩家2方向
int m;     //全局变量，用于循环计数
int score = 0;    //玩家1分数和传统模式分数
int score2 = 0;    //玩家2分数
char maxScore[5] = "0";   //记录传统模式历史最高分

struct Food     //食物结构体
{
	int x;     //食物的横坐标
	int y;     //食物的纵坐标
}food;

struct Snake {   //玩家1贪吃蛇
	int len;    //蛇的长度
	int x[780];   //蛇的每一节的横坐标
	int y[780];   //蛇的每一节的纵坐标
	int count;    //蛇吃到的食物数量
	int speed;    //蛇的速度
}snake;

struct newSnake   //玩家2 
{
	int len;
	int x[780];
	int y[780];
	int count;
	int speed;
}new_snake;

void initmap();   //画边框
void menu();      //菜单
void getfood();   //随机产生食物
void chushihua();   //初始化蛇
void eatfood();     //判断蛇是否吃到食物
int die();            //判断蛇是否死亡
void move();     //迁移蛇的坐标，移动蛇
void turn(char t);    //转向
void print();           //打印蛇
void play();            //开始传统模式游戏
void start();           //开始特效
int StringToInt(char a[], int n);   //将字符串转化为整数
void wall();           //传统模式的障碍物
void score_rule();   //显示分数和规则

					 //双人PK模式
void double_initmap();   //双人PK地图
void new_chushihua();   //初始化玩家2的蛇
void double_play();     //开始双人PK模式游戏
void double_eatfood();   //判断是否吃到食物
void double_turn(char t);  //转向
void double_print();     //打印玩家2的蛇
void double_move1(); //双人模式玩家1移动
void double_move2();  //双人模式玩家2移动
void double_getfood();//双人模式随机产生食物
void double_score_rule();//双人模式  显示分数和操作规则
int double_die();    //双人模式判断玩家1是否死亡
int double_die2();  //双人模式判断玩家2是否死亡
int win(int grade);   //判断赢家

void main()
{
	do
	{
		initgraph(640, 480);   //产生画板
		PlaySound("F:\\Snake_bgm\\start.WAV", NULL, SND_FILENAME | SND_ASYNC | SND_LOOP);//播放音乐
		menu();   //进入菜单
		closegraph();  //关闭画板
	} while (1);
	system("pause");
}

int StringToInt(char a[], int n)//将字符串转化为整数
{
	if (n == 1)
		return a[0] - 48;
	else
		return StringToInt(a, n - 1) * 10 + a[n - 1] - 48;
}

void start()//开始特效
{
	int x, y, i;
	for (i = 0; i<30; i++)
	{
		x = i;
		for (y = x; y100)
				snake.speed -= 50;
			else
				snake.speed = 100;
		}
		else
			score += 5;
		snake.count++;
		getfood();//吃完还有
	}
}

void new_chushihua()//初始化玩家2
{
	//产生蛇头
	new_snake.x[0] = (fram_width) / 3;
	new_snake.y[0] = (fram_height) / 3;
	new_snake.speed = 300;
	moveto(new_snake.x[0] * SIZE, new_snake.y[0] * SIZE);
	setfillcolor(BLUE);
	fillcircle(new_snake.x[0] * SIZE + SIZE / 2, new_snake.y[0] * SIZE + SIZE / 2, SIZE / 2);

	//产生蛇身
	fillcircle(new_snake.x[0] * SIZE + SIZE / 2, new_snake.y[0] * SIZE + SIZE / 2, SIZE / 2);
	new_snake.len = 4;
	for (int k = 1; k < new_snake.len; k++)//依次给后一节蛇身赋值
	{
		//将前一节坐标赋给后一节
		new_snake.x[k] = new_snake.x[k - 1] + 1;
		new_snake.y[k] = new_snake.y[k - 1];
		moveto(new_snake.x[k] * SIZE, new_snake.y[k] * SIZE);
		setfillcolor(YELLOW);//填充颜色
		fillcircle(new_snake.x[k]*SIZE+SIZE/2, new_snake.y[k]*SIZE+SIZE/2, SIZE/2);//画蛇
	}
}

void chushihua()
{
	//产生蛇头
	snake.x[0] = (fram_width) / 2;
	snake.y[0] = (fram_height) / 2;
	snake.speed = 300;
	moveto(snake.x[0] * SIZE, snake.y[0] * SIZE);
	setfillcolor(GREEN);
	fillcircle(snake.x[0] * SIZE + SIZE / 2, snake.y[0] * SIZE + SIZE / 2, SIZE / 2);

	//产生蛇身
	//fillcircle(snake.x[0] * SIZE + SIZE / 2, snake.y[0] * SIZE + SIZE / 2, SIZE / 2);
	snake.len = 4;
	for (int k = 1; k < snake.len; k++)
	{
		//将前一节坐标赋给后一节
		snake.x[k] = snake.x[k - 1] + 1;
		snake.y[k] = snake.y[k - 1];
		moveto(snake.x[k] * SIZE, snake.y[k] * SIZE);
		setfillcolor(RED);//填充颜色
		fillcircle(snake.x[k]*SIZE+SIZE/2, snake.y[k]*SIZE+SIZE/2, SIZE/2);//画蛇
	}
}

void move()//迁移坐标，移动蛇
{
	//每次移动将蛇尾巴画为背景色
	moveto(snake.x[snake.len - 1] * SIZE, snake.y[snake.len - 1] * SIZE);
	setfillcolor(BLACK);
	solidrectangle(snake.x[snake.len - 1] * SIZE, snake.y[snake.len - 1] * SIZE, snake.x[snake.len - 1] * SIZE + SIZE, snake.y[snake.len - 1] * SIZE + SIZE);
	if (snake.y[0] == 0)     //穿墙
		snake.y[0] = fram_height - 2;
	else if (snake.y[0] == fram_height - 1)
		snake.y[0] = 0;
	for (m = snake.len - 1; m > 0; m--)
	{
		//将后一节坐标赋值给前一节坐标
		snake.x[m] = snake.x[m - 1];
		snake.y[m] = snake.y[m - 1];
	}
}

void double_move1()//双人模式移动玩家1
{
	//每次移动将蛇尾巴画为背景色
	moveto(snake.x[snake.len - 1] * SIZE, snake.y[snake.len - 1] * SIZE);
	setfillcolor(BLACK);
	solidrectangle(snake.x[snake.len - 1] * SIZE, snake.y[snake.len - 1] * SIZE, snake.x[snake.len - 1] * SIZE + SIZE, snake.y[snake.len - 1] * SIZE + SIZE);
	if (snake.y[0] == 0)     //穿墙
		snake.y[0] = fram_height - 2;
	else if (snake.y[0] == fram_height - 1)
		snake.y[0] = 0;
	else if (snake.x[0] == 0)
		snake.x[0] = fram_width - 2;
	else if (snake.x[0] == fram_width - 1)
		snake.x[0] = 0;
	for (m = snake.len - 1; m > 0; m--)
	{
		//将后一节坐标赋值给前一节坐标
		snake.x[m] = snake.x[m - 1];
		snake.y[m] = snake.y[m - 1];
	}
}

void double_move2()//双人模式移动玩家2
{

	//int k;
	//每次移动将蛇尾巴画为背景色
	moveto(new_snake.x[new_snake.len - 1] * SIZE, new_snake.y[new_snake.len - 1] * SIZE);
	setfillcolor(BLACK);
	solidrectangle(new_snake.x[new_snake.len - 1] * SIZE, new_snake.y[new_snake.len - 1] * SIZE, new_snake.x[new_snake.len - 1] * SIZE + SIZE, new_snake.y[new_snake.len - 1] * SIZE + SIZE);
	if (new_snake.y[0] == 0)     //穿墙
		new_snake.y[0] = fram_height - 2;
	else if (new_snake.y[0] == fram_height - 1)
		new_snake.y[0] = 0;
	else if (new_snake.x[0] == 0)
		new_snake.x[0] = fram_width - 2;
	else if (new_snake.x[0] == fram_width - 1)
		new_snake.x[0] = 0;
	for (m = new_snake.len - 1; m > 0; m--)
	{
		//将后一节坐标赋值给前一节坐标
		new_snake.x[m] = new_snake.x[m - 1];
		new_snake.y[m] = new_snake.y[m - 1];
	}
}

void double_turn(char t)
{
	if (t == UP2)
		new_snake.y[0]--;
	else if (t == DOWN2)
		new_snake.y[0]++;
	else if (t == LEFT2)
		new_snake.x[0]--;
	else if (t == RIGHT2)
		new_snake.x[0]++;
}

void turn(char t)
{
	if (t == UP)
		snake.y[0]--;
	else if (t == DOWN)
		snake.y[0]++;
	else if (t == LEFT)
		snake.x[0]--;
	else if (t == RIGHT)
		snake.x[0]++;
}

void print()//打印蛇
{
	//打印蛇头
	moveto(snake.x[0] * SIZE, snake.y[0] * SIZE);
	setfillcolor(GREEN);
	fillcircle(snake.x[0] * SIZE + SIZE / 2, snake.y[0] * SIZE + SIZE / 2, SIZE / 2);
	//打印蛇身
	for (m = 1; msnake.len ? new_snake.len : snake.len); m++)
	{
		if (new_snake.len>snake.len)//如果玩家2的蛇比玩家1的蛇长，则把玩家2比玩家1多处的那部分补全
		{
			setfillcolor(YELLOW);
			fillcircle(new_snake.x[m] * SIZE + SIZE / 2, new_snake.y[m] * SIZE + SIZE / 2, SIZE / 2);
		}
		else//如果玩家1的蛇比玩家2的蛇长，则把玩家1比玩家2多处的那部分补全
		{
			setfillcolor(RED);
			fillcircle(snake.x[m] * SIZE + SIZE / 2, snake.y[m] * SIZE + SIZE / 2, SIZE / 2);
		}
	}
}

int win(int grade)//判断输赢
{
	if (score >= grade)//如果玩家1率先达到50分，则玩家1胜利
		return 1;
	else if (score2 >= grade)//否则玩家2胜利
		return 2;
}

void wall()//画障碍物
{
	for (m = 1; m'9')
			{
				flag=0;
				break;
			}
		if(!flag)
			continue;
		grade=StringToInt(str,len);
		if(grade>0&&grade<=1000)
			break;
	}
	settextcolor(WHITE);
	outtextxy(31 * SIZE, 1 * SIZE, "目标分数:");
	settextcolor(BROWN);
	outtextxy(36 * SIZE, 1 * SIZE, str);
	char k = 'a';
	char t = LEFT2;  //k和t分别记录蛇前一时刻移动的方向
	new_snake.count = 0;
	snake.count = 0;
	score = 0;
	score2 = 0;
	new_chushihua();
	chushihua();  //初始化
	int move1 = 0, move2 = 0;//标记按键的归属
	char key, key1 = LEFT, key2 = LEFT2;//初始方向
	double_getfood();//产生食物
	while (1)
	{
		double_eatfood();//判断是否吃到食物
		double_move2();
		double_move1();//移动蛇
		move1 = 0;
		move2 = 0;
		if (kbhit())//如果有按键
		{
			key = getch();//获取按键值
			switch (key)//判断按键
			{

			case UP2:
			case DOWN2:
			case LEFT2:
			case RIGHT2:key2 = key; move2 = 1; break;//如果按键属于玩家2，move2=1；
			case UP:
			case DOWN:
			case LEFT:
			case RIGHT:key1 = key; move1 = 1; break;//如果按键属于玩家1，move1=1；
			}
		}
		if (move1 == 1)//如果move1=1，即按键属于玩家1
		{
			if (k == LEFT && key1 == RIGHT)    //防止反向咬到自己
				key1 = LEFT;
			else if (k == UP && key1 == DOWN)
				key1 = UP;
			else if (k == RIGHT && key1 == LEFT)
				key1 = RIGHT;
			else if (k == DOWN && key1 == UP)
				key1 = DOWN;
			turn(key1);//转向
		}
		if (move2 == 1)//如果move2=1，即按键属于玩家2
		{
			if (t == UP2 && key2 == DOWN2)    //防止反向咬到自己
				key2 = UP2;
			else if (t == DOWN2 && key2 == UP2)
				key2 = DOWN2;
			else if (t == LEFT2 && key2 == RIGHT2)
				key2 = LEFT2;
			else if (t == RIGHT2 && key2 == LEFT2)
				key2 = RIGHT2;
			double_turn(key2);//转向
		}

		if (move2 == 0)//如果按键属于玩家1，则玩家2的蛇继续维持上一时刻的方向
			double_turn(t);
		if (move1 == 0)//如果按键属于玩家2，则玩家1的蛇继续维持上一时刻的方向
			turn(k);

		k = key1;
		t = key2;//获取上一时刻的方向
		if (double_die1())//判断玩家1是否死亡
		{
			if (score >= 15)//如果分数大于15分
				score -= 15;
			else      //如果分数小于15分，则分数清零
				score = 0;
			for (m = 0; m= 15)
				score2 -= 15;
			else
				score2 = 0;
			for (m = 0; mmaxscore)//如果破纪录
			{
				fp = fopen("maxscore", "w");//将新纪录写入文件，并将文件中的原内容清空
				if (fp != NULL)
				{
					itoa(score, ms, 10);
					fputs(ms, fp);
				}
				fclose(fp);
			}
			while (getch() != ' ')
			{
				;
			}
			break;
		}
		print();
		initmap();//画边框
		wall();//画障碍物
		score_rule();//显示分数和规则
		Sleep(snake.speed);//速度
	}
}