贪吃蛇——C语言实现(简版)_c语言贪吃蛇最简单代码50行

目录

导入相关头文件

定义食物结构体

定义蛇结构体

相关函数声明

主函数部分

地图设计

食物设计

按键功能实现

坐标设计

导入相关头文件

#include <stdio.h>
#include <stdlib.h>
#include <windows.h>          //光标设置的API
#include <time.h>              //食物的随机性
#include <conio.h>             //按键监控
 
#define Map_Hight 23         //地图高度 
#define Map_Width 90          //地图宽度 
#define Snake_Max_len 1000     //蛇的最大长度 
#define Snake_Begin_Len 3    //蛇的初始长度

定义食物结构体

int score=0; 
//食物
struct
{
	int x;
	int y;
}food;

定义蛇结构体

//蛇
struct
{
	int x[Snake_Max_len];
	int y[Snake_Max_len];
	int len;        //蛇的长度 
	int speed=300;  //蛇的移动速度 
 }snake;

相关函数声明

char key='w';
bool changeflag=0;   //she de bian hua biao ji（布尔类型） 
 
//1.地图
void Drawmap();
//2.食物产生
void Creatfood();
//3.按键操作
void keydown();
//4.蛇的状态
bool snakeStatus();
//5.光标移动
void gotoxy(int x,int y); 

主函数部分

int main(void)
{
	//隐藏光标
	HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO cci;
	GetConsoleCursorInfo(hOut, &cci);
	cci.bVisible = FALSE;
	SetConsoleCursorInfo(hOut, &cci);
  Drawmap();
  while(1) 
  {	 
    Sleep(snake.speed);	
    Creatfood();
	keydown();
  
	if(!snakeStatus())
	{
		break;
	}
  } 
  //system("pause");定住当前屏幕 
  gotoxy(Map_Width/2,Map_Hight/2);
  printf("GameOver!");
  system("CLS");
  gotoxy(Map_Width/2,Map_Hight/2+1);
  printf("你的分数是 %d\n",score);
  
 
}

地图设计

void Drawmap()
{
	//食物 
	srand((unsigned int )time(NULL));
	do
	  {
    	food.x =rand() % (Map_Width-4)+2;
	    food.y =rand() % (Map_Hight-2)+1;
      }while(food.x%2!=0);
   	gotoxy(food.x, food.y);
	printf("◆"); 
	//地图 
	for(int i=0;i<=Map_Hight;i++)
	{
		gotoxy(0,i);
		printf("■");
		gotoxy(Map_Width,i);
		printf("■");
	}
	for(int j=0;j<=Map_Width;j+=2)
	{
		gotoxy(j,0);
		printf("■");
		gotoxy(j,Map_Hight);
		printf("■");
	}
	//按键说明 
	    gotoxy(100,4);
	    printf("按键说明"); 
       	gotoxy(100,7);
    	printf("向上：w W");
    	gotoxy(100,10);
    	printf("向下：s S");
    	gotoxy(100,13);
    	printf("向左：a A");
    	gotoxy(100,16);
    	printf("向右：d D"); 
	//画蛇
	snake.len=Snake_Begin_Len;
	srand((unsigned)time(NULL));
	do
	  {
	  	snake.x[0]=rand() % (Map_Width/2)+Map_Width/4;
	  	snake.y[0]=rand() % (Map_Hight/2)+Map_Hight/4;
	  }while (snake.x[0]%2!=0);
	  gotoxy(snake.x[0],snake.y[0]);
	  printf("●");
	  for(int i = 1;i <snake.len ;i++)
	  {
	  	snake.x[i]=snake.x[0];
	  	snake.y[i]=snake.y[i-1]+1;
	  	gotoxy(snake.x[i] ,snake.y[i]);
	  	printf("●");
	  }	 
	  //积分器 
	  gotoxy(100,22);
	  printf("当前分数：%d",score); 
}

食物设计

void Creatfood()
{
	if(snake.x[0] == food.x&&snake.y[0] == food.y)
	{
		//积分器
		score++;
		gotoxy(100,22);
		printf("当前分数：%d",score); 
		srand((unsigned)time(NULL));
		//产生的食物不能在蛇的身上且食物的坐标要是偶数 
		while(1)
		{
			bool flag=true;
			food.x=rand() % (Map_Width-4)+2;
			food.y=rand() % (Map_Hight-2)+1;
			for(int k=0;k<snake.len;k++)
			{
				if(snake.x[k]==food.x&&snake.y[k]==food.y)
				{
					flag=false;
					break;
				}
			}
			if(flag&&food.x % 2 == 0)
			   break;	
		}
		gotoxy(food.x,food.y);
		printf("◆");
		changeflag=true;
	}
}

按键功能实现

void keydown()
{
	//无按键处理
	if(_kbhit())
	{   //有按键接收 
		fflush(stdin);
		key=_getch();
	 }
	 //擦除最后一节 
	 if(!changeflag)
	 {
	 	gotoxy(snake.x[snake.len-1],snake.y[snake.len-1]);
	 	printf("  ");
	 }
	 else
	 {  
	 	snake.x[snake.len]=snake.x[snake.len-1];
	 	snake.y[snake.len]=snake.y[snake.len-1];
	 	snake.len++;
	 }
	  //后面的蛇身
	  for(int i=snake.len-1;i>0;i--)
	  {
	  	snake.x[i]=snake.x[i-1];
	  	snake.y[i]=snake.y[i-1];
	   }  
	   switch(key)
	   {
	   	case'w':
	   	case'W':
	   		snake.y[0]--;
	   	    break;
	   	case'a':
	   	case'A':
	   		snake.x[0]-=2;
	   	    break;
	   	case's':
	   	case'S':
	   		snake.y[0]++;
	   	    break;
	   	case'd':
	   	case'D':
	   		snake.x[0]+=2;
	   		break;
	   }
	   gotoxy(snake.x[0],snake.y[0]);
	   printf("●");
	   changeflag=false;
	   
}

坐标设计

bool snakeStatus()
{    
    //不能撞墙 
	if(snake.x[0]==0||snake.x[0]==Map_Width||snake.y[0]==0||snake.y[0]==Map_Hight )
	   return false;
	//不能撞自己 
	for(int k=1;k<=snake.len;k++)
	{
		if(snake.x[k]==snake.x[0]&&snake.y[k]==snake.y[0])
		   return false;
	}
	return true;
}
void gotoxy(int x,int y)
{
	HANDLE handle=GetStdHandle(STD_OUTPUT_HANDLE);
	COORD coord;                             //定义光标结构体 
	coord.X = x;
	coord.Y = y;
	SetConsoleCursorPosition(handle, coord);//移动光标 
}