C语言实现贪吃蛇游戏（命令行）

这是一个纯C语言写的贪吃蛇游戏，供大家参考，具体内容如下

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

#define SNAKE_LENGTH 100//定义蛇的最大长度
#define SCREEN_WIDETH 80
#define SCREEN_HEIGHT 30

//定义每一节蛇的坐标
struct coor{
 int x;
 int y;
};

//枚举方向
enum CH {
 right = VK_RIGHT,
 left = VK_LEFT,
 up = VK_UP,
 down = VK_DOWN
};

//定义蛇的属性
struct snake{
 int len;//当前蛇的长度
 struct coor coord[SNAKE_LENGTH];//每一节蛇的坐标
 enum CH CH;//定义蛇的方向
 int SPEED;
 int flag;//定义蛇的状态  1表示存活  0表示死亡
}snake;

//光标移动函数
void gotoxy(int x, int y)
{
 COORD pos;
 pos.X = x;
 pos.Y = y;
 SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
}

//初始化游戏界面
void init_sence()
{
 //初始化上下墙
 for (int i = 0; i < SCREEN_WIDETH; i += 2)
 {
 gotoxy(i,0);
 printf("■");
 gotoxy(i, SCREEN_HEIGHT);
 printf("■");
 }
 //初始化左右墙
 for (int i = 0; i <=SCREEN_HEIGHT; i++)
 {
 gotoxy(0, i);
 printf("■");
 gotoxy(SCREEN_WIDETH,i);
 printf("■");
 }
 //打印提示信息
 gotoxy(SCREEN_WIDETH + 5, 2);
 printf("\t\t贪吃蛇");
 gotoxy(SCREEN_WIDETH + 5, 6);
 printf("2018//12//1");
 gotoxy(SCREEN_WIDETH + 5, 8);
 printf("作者：小豆芽");
 gotoxy(SCREEN_WIDETH + 5, 10);
 printf("F1:加速\tF2：减速");
 gotoxy(SCREEN_WIDETH + 5, 12);
 printf("CTRL:继续\t空格：暂停");
 gotoxy(SCREEN_WIDETH + 5, 14);
 printf("ESC:退出游戏");
 gotoxy(SCREEN_WIDETH + 5, 28);
 printf("建议：QQ：2862841130:::");
}

struct foodcoord {
 int x;
 int y;
 int flag;//定义食物的状态
}food;

//**这是c程序**

#include"snake.h"
//蛇的移动
void move_snake();
//画出蛇
void draw_snake();
//产生食物
void creatfood();
//判断蛇是否吃到食物
void eatfood();
//判断蛇是否死掉
void SnakeState();

int main()
{
 //设置窗口大小
 system("mode con cols=110 lines=31");
 //设置标题
 SetConsoleTitleA("贪吃蛇");

 //初始化蛇
begin:
 snake.CH = VK_RIGHT;//初始化方向
 snake.len = 5; //初始化长度
 snake.SPEED = 300;//初始化蛇的移动速度
 snake.coord[1].x = SCREEN_WIDETH / 2;//初始化蛇头的坐标
 snake.coord[1].y = SCREEN_HEIGHT / 2;
 snake.coord[2].x = SCREEN_WIDETH / 2-2;//初始化蛇头的坐标
 snake.coord[2].y = SCREEN_HEIGHT / 2;
 snake.coord[3].x = SCREEN_WIDETH / 2-4;//初始化蛇头的坐标
 snake.coord[3].y = SCREEN_HEIGHT / 2;

 //初始化食物状态
 food.flag = 1;//1表示吃到食物  0表示没有吃到食物

   //初始化食物状态
 snake.flag = 1;//1活 0死

 init_sence();//初始化游戏界面
 while (1)
 {
 draw_snake();//画蛇
 Sleep(snake.SPEED);//蛇的移动速度
 move_snake();//移动蛇
 if(food.flag)
 creatfood();//产生食物
 eatfood();//判断是否吃到食物
 SnakeState();//判断蛇是否死亡
 if (!snake.flag)break;
 }
 system("cls");
 gotoxy(SCREEN_WIDETH/2, SCREEN_HEIGHT/2-4);
 printf(" GAME OVER!!!");
 gotoxy(SCREEN_WIDETH / 2-6, SCREEN_HEIGHT / 2+2);
 printf("你的得分是：\t\t\t%d ",snake.len-1);
 gotoxy(SCREEN_WIDETH / 2-6, SCREEN_HEIGHT / 2+4);
 printf("我不服再来：\t\t\tCTRL ");
 gotoxy(SCREEN_WIDETH / 2-6, SCREEN_HEIGHT / 2+6);
 printf("算了垃圾游戏毁我青春:\t\tESC");

 while (1)
 {
 if (GetAsyncKeyState(VK_CONTROL))
 {
  system("cls");
  goto begin;
 }
 else if (GetAsyncKeyState(VK_ESCAPE))
  return 0;
 }
}

//蛇的移动
void move_snake()
{
 //判断是否有按键操作
 if (GetAsyncKeyState(up))
 {
 if(snake.CH!=down)snake.CH = up;
 }
 else if (GetAsyncKeyState(down))
 {
 if (snake.CH != up)snake.CH = down;
 }
 else if (GetAsyncKeyState(right))
 {
 if (snake.CH != left)snake.CH = right;
 }
 else if (GetAsyncKeyState(left))
 {
 if (snake.CH != right)snake.CH = left;
 }
 else if (GetAsyncKeyState(VK_F1))
 {
 if(snake.SPEED>=100)snake.SPEED -= 50;
 }
 else if (GetAsyncKeyState(VK_F2))
 {
 if (snake.SPEED <= 3000)snake.SPEED += 100;
 }
 //根据检测到的方向改变蛇头的位置
 switch (snake.CH)
 {
 case right:snake.coord[1].x += 2; break;
 case left:snake.coord[1].x -= 2; break;
 case up:snake.coord[1].y -= 1; break;
 case down:snake.coord[1].y += 1; break;
 }

}

//画出蛇
void draw_snake()
{
 //画出蛇头
 gotoxy(snake.coord[1].x, snake.coord[1].y);
 printf("□");

 //画出蛇身，直接一个for循环实现
 for (int i = 2; i <= snake.len; i++)
 {
 gotoxy(snake.coord[i].x, snake.coord[i].y);
 printf("□");
 }
 //擦掉尾巴
 gotoxy(snake.coord[snake.len].x, snake.coord[snake.len].y);
 printf(" ");

 //遍历每一节蛇
 for (int i = snake.len; i >1; i--)
 {
 snake.coord[i].x = snake.coord[i - 1].x;
 snake.coord[i].y = snake.coord[i - 1].y;
 }

 gotoxy(0, 0);
 printf("■");
 gotoxy(85, 25);
 printf("得分:%d ", snake.len-1);

}

//产生食物
void creatfood()
{
 //随机种子生成
 srand((unsigned)time(NULL));
 if(food.flag)
 while (1)
 {
 food.x = rand() % 80;
 food.y = rand() % 30;
 if (food.x % 2 == 0 && food.x >= 2 && food.x <= 78 && food.y > 1 && food.y < 30)
 {
  int flag = 0;
  //判断产生的食物可不可能在蛇的身体上
  for (int i = 1; i <= snake.len; i++)
  {
  if (snake.coord[i].x == food.x&&snake.coord[i].y == food.y)
  {
   flag = 1;
   break;
  }
  }
  if (flag)continue;
  //绘制食物
  else
  {
  gotoxy(food.x, food.y);
  printf("⊙");
  food.flag = 0;
  break;
  }
 }
 }
 food.flag = 0;
}

//判断蛇是否吃到食物
void eatfood()
{
 //只需要判断蛇头是否与食物重合
 if (food.x == snake.coord[1].x&&food.y == snake.coord[1].y)
 {
  snake.len+=1;
  food.flag = 1;
 }
}

//判断蛇是否死掉
void SnakeState()
{
 if (snake.coord[1].x < 2 || snake.coord[1].x>78 || snake.coord[1].y < 1 || snake.coord[1].y>29)
 snake.flag = 0;

 for (int i = 2; i <= snake.len; i++)
 {
 if (snake.coord[1].x == snake.coord[i].x&&snake.coord[1].y == snake.coord[i].y)
  snake.flag = 0;
 }

}

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