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贪吃蛇游戏

一只穿云箭，千万基佬来相见...（其实我想知道妹纸们哪去了抓狂）

好吧，话不多说，小狼这次给大家带来的是贪吃蛇源码，这是小狼尝试的第一个游戏，虽然这次的代码是从网上摘抄的，不过自己完完全全敲出来还是蛮有感觉的，所以建议小伙伴们都可以试试哦。大笑

/*****
*文件名称：贪吃蛇游戏
*内容摘要：无
*其他说明：无
*当前版本：1.0
*版本信息：无
*作者：小狼
*完成日期：2017.5.10
*****/

#include<stdio.h>
#include<windows.h>
#include<conio.h>
#include<time.h>

#define FrameX 4//游戏窗口左上角的X轴坐标
#define FrameY 4//游戏窗口右上角的Y轴坐标
#define Frame_height 20//游戏窗口的高度
#define Frame_width 20//游戏窗口的宽度

int i,j;
int a[2];//用于记住蛇尾坐标，其中a[0],a[1]分别表示横，纵坐标

struct Snake
{
	int x[100];//蛇的横坐标，其中x[0]表示蛇尾的横坐标，x[N-1]表示蛇头的横坐标
	int y[100];//蛇的纵坐标，其中y[0]表示蛇尾的纵坐标，y[N-1]表示蛇头的纵坐标
	int count;//蛇吃食物的个数
	int length;//蛇的长度
	int speed;//蛇的速度
};//不要忘记最后的";"
struct Food
{
	int x;//食物的横坐标
	int y;//食物的纵坐标
};

void make_frame();
void gotoxy(HANDLE hOut,int x,int y);
void print_information(HANDLE hOut,struct Snake *snake,struct Food *food);
void get_food(HANDLE hOut,struct Snake *snake,struct Food *food);
void init_snake(struct Snake *snake);
void Set_Txtcolor_Green();
void print_snake(HANDLE hOut,struct Snake *snake);
void move_snake(HANDLE hOut,struct Snake *snake);
void eat_food(HANDLE hOut,struct Snake *snake,struct Food *food);
void through_wall(HANDLE hOut,struct Snake *snake,char ch);
int if_die(struct Snake *snake);
void start_game();
void over_game();


void main()
{
	system("color 0D");//设置文本为粉红色，注意那个是1234的0，不是Opq的O
	start_game();
	over_game();
}

/*制作游戏窗口*/
void make_frame()
{
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);//定义显示器句柄变量
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 13);//打印选择菜单
	printf("Esc退出游戏");
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 15);
	printf("长按方向键：加速");
	gotoxy(hOut,FrameX,FrameY);//打印框角
	printf("╔");
	gotoxy(hOut,FrameX + 2 * Frame_width - 2,FrameY);
	printf("╗");
	gotoxy(hOut,FrameX,FrameY + Frame_height);
	printf("╚");
	gotoxy(hOut,FrameX + 2 * Frame_width - 2,FrameY + Frame_height);
	printf("╝");
	for(i = 2;i < 2 * Frame_width - 2;i += 2)
	{
		gotoxy(hOut,FrameX + i,FrameY);
		printf("═");//打印上边框
	}
	for(i = 2;i < 2 * Frame_width - 2;i += 2)
	{
		gotoxy(hOut,FrameX + i,FrameY + Frame_height);
		printf("═");//打印下边框
	}
	for(i = 1;i < Frame_height;i ++)
	{
		gotoxy(hOut,FrameX,FrameY + i);
		printf("║");//打印左边框
	}
	for(i = 1;i < Frame_height;i ++)
	{
		gotoxy(hOut,FrameX + 2 * Frame_width - 2,FrameY + i);
		printf("║");//打印右边框
	}
	gotoxy(hOut,FrameX + Frame_width - 5,FrameY - 2);//打印游戏名称
	Set_Txtcolor_Green();//设置蛇为绿色
	printf("贪吃蛇游戏");
}

/*光标移到指定位置*/
void gotoxy(HANDLE hOut,int x,int y)
{
	COORD pos;
	pos.X = x;
	pos.Y = y;
	SetConsoleCursorPosition(hOut,pos);
}

/*设置文本为绿色*/
void Set_Txtcolor_Green(void)
{
	HANDLE Handle = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleTextAttribute(Handle, FOREGROUND_INTENSITY | FOREGROUND_GREEN);
}

/*菜单信息*/
void print_information(HANDLE hOut,struct Snake *snake,struct Food *food)
{
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 1);
	printf("level : %d",snake->count / 5 + 1);//打印游戏等级
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 3);
	printf("score : %d",snake->count);//打印游戏得分
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 5);
	printf("eat food : %d",snake->count);//打印产生食物个数
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 7);
	printf("speed : %d",snake->speed);//打印游戏速度
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 9);
	printf("foodX : %d",food->x);//打印食物的横坐标
	gotoxy(hOut,FrameX + 2 * Frame_width + 3,FrameY + 11);
	printf("foodY : %d",food->y);//打印食物的竖坐标
}

/*随机产生食物*/
void get_food(HANDLE hOut,struct Snake *snake,struct Food *food)
{
	srand((unsigned)time(NULL));//初始化随机数
	while(1)//产生食物条件：1.在游戏窗口内 2.不在蛇身上
	{
		food->x = rand() % (Frame_width - 1);
		food->y = rand() % Frame_height;
		if(food->x == 0||food->y == 0)
		{
			continue;
		}
		food->x = 2*food->x + FrameX;//得到食物横坐标
		food->y += FrameY;//得到食物纵坐标
		for(i = 0;i < snake->length;i ++)
		{
			if(food->x == snake->x[i] && food->y == snake->y[i])
			break;
		}
		if(i == snake->length)
		{
			gotoxy(hOut,food->x,food->y);
			printf("⊙");
			break;
		}
	}
}

/*初始化蛇*/
void init_snake(struct Snake *snake)
{
	snake->x[0] = FrameX + 2;
	snake->y[0] = FrameY + Frame_height/2;
	snake->speed = 300;
	snake->length  = 3;
	snake->count = 0;
	for(i = 1;i < snake->length;i++)
	{
		snake->x[i] = snake->x[i-1] + 2;
		snake->y[i] = snake->y[i-1];
	}
}

/*打印蛇*/
void print_snake(HANDLE hOut,struct Snake *snake)
{
	for(i = 0;i < snake->length;i++)
	{
		gotoxy(hOut,snake->x[i],snake->y[i]);
		if(i == 0)
		{
			printf("○");       //打印蛇尾
		}
		else if(i == snake->length-1)
		{
			printf("¤");       //打印蛇头
		}
		else
		{
			printf("⊙");       //打印蛇身
		}
	}
}

/*移动蛇*/
void move_snake(HANDLE hOut,struct Snake *snake)
{
	gotoxy(hOut,snake->x[0],snake->y[0]);
	printf("  ");
	for(i = 1;i < snake->length;i ++)
	{
		snake->x[i - 1] = snake->x[i];
		snake->y[i - 1] = snake->y[i];
	}
}

/*吃食物*/
void eat_food(HANDLE hOut,struct Snake *snake,struct Food *food)
{
	if(snake->x[snake->length-1] == food->x && snake->y[snake->length-1] == food->y)
	{//如果蛇头位置与食物位置相同，吃食物
		snake->length++;
		for(i = snake->length - 1;i >= 1;i --)
		{
			snake->x[i] = snake->x[i-1];
			snake->y[i] = snake->y[i-1];
		}
		snake->x[0] = a[0];
		snake->y[0] = a[1];
		get_food(hOut,snake,food);//重新产生食物
		snake->count++;
		if(snake->count%5 ==0)//升级加速
		{
			snake->speed -= 50;
		}
	}
}

/*穿墙*/
void through_wall(HANDLE hOut,struct Snake *snake,char ch)
{
	if(ch == 72 && snake->y[snake->length-1] == FrameY)
	{
		snake->y[snake->length-1] = FrameY + Frame_height - 1;
	}
	if(ch == 80 && snake->y[snake->length-1] == FrameY + Frame_height)
	{
		snake->y[snake->length-1] = FrameY + 1;
	}
	if(ch == 75 && snake->x[snake->length-1] == FrameX)
	{
		snake->x[snake->length-1] = FrameX + 2*Frame_width - 4;
	}
	if(ch == 77 && snake->x[snake->length-1] == FrameX + 2*Frame_width - 2)
	{
		snake->x[snake->length-1] = FrameX + 2;
	}
}

/*判断蛇是否死*/
int if_die(struct Snake *snake)
{
	for(i = 0;i < snake->length-1;i++)
	{
		if(snake->x[snake->length-1] == snake->x[i] && snake->y[snake->length-1] == snake->y[i])
		{
			return 0;
		}
	}
	return 1;
}

/*开始游戏*/
void start_game()
{
	unsigned char ch = 77;//定义用于接受键盘输入的字符变量
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);//定义显示器句柄变量
	struct Snake s,*snake = &s;//定义蛇的结构体指针并指向
	struct Food f,*food = &f;//定义食物的结构体指针并指向
	make_frame();
	init_snake(snake);
	get_food(hOut,snake,food);
	while(1)
	{
		print_information(hOut,snake,food);
		a[0] = snake->x[0];//记住蛇尾的横坐标
		a[1] = snake->y[0];//记住蛇尾的纵坐标
		j = 0;
		if(kbhit())//判断是否按下键盘，如果按下，ch接收
		{
			ch=getch();
			if(kbhit())//如果长按键盘，加速
			{
				Sleep(20);
				j = 1;
			}
		}
		switch(ch)
		{
			case 72:
			{/* 向上移动 */
				move_snake(hOut,snake);
				snake->y[snake->length-1]-=1; //蛇头的竖坐标向上移，即减1 
				break;
			}
			case 80:
			{/* 向下移动 */
				move_snake(hOut,snake);
				snake->y[snake->length-1]+=1; //蛇头的竖坐标向下移，即加1
				break;
			}
			case 75:
			{/* 向左移动 */
				move_snake(hOut,snake);
				snake->x[snake->length-1]-=2; //蛇头的横坐标向左移，即减2
				break;
			}    
			case 77:
			{/* 向右移动 */
				move_snake(hOut,snake);
				snake->x[snake->length-1]+=2; //蛇头的横坐标向右移，即加2
				break;
			}
		}
		through_wall(hOut,snake,ch);
		eat_food(hOut,snake,food);
		print_snake(hOut,snake);
		if(if_die(snake) == 0 || ch == 27 || snake->speed == 50)
		{//死亡条件：1.碰到自身 2.按Esc键 3.速度达到50
			gotoxy(hOut,FrameX + Frame_width - 2,FrameY + Frame_height/2 - 1);
			printf("Game Over");
			Sleep(2000);
			break;
		}
		if(j == 0)
		{
			Sleep(snake->speed);//延迟时间
		}
		else
		{
			Sleep(10);
		}
	}
}

/*结束游戏*/
void over_game()
{
	system("cls");
	printf("\n\n\n\n\n\n\n\n\t\t\t\t游戏结束\n\n\n");
	Sleep(2000);
	getch();
}

基本内容就在代码里了，小狼会继续努力，下次会给大家带来更优化的代码的吐舌头

皮皮虾，我们走，得儿，驾...

悦读

道可道，非常道；名可名，非常名。 无名，天地之始，有名，万物之母。 故常无欲，以观其妙，常有欲，以观其徼。 此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。

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