【分享】51单片机8*8点阵贪吃蛇程序！
本帖最后由 分立元件 于 2020-10-31 22:29 编辑#include<reg51.h>
#include<intrins.h>
#include<stdlib.h>
typedef unsigned int u16;
typedef unsigned char u8;
sbit SER=P2^4;
sbit up=P2^2; //上
sbit down=P2^1；//下
sbit lt=P2^3; //左
sbit rt=P2^0; //右
u8 code Hc595_Coordx[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
u8 code Hc595_Coordy[]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
u8foodx;
u8 foody;
u8 snake_x={0};
u8 snake_y={0};
u8 length;
u8 direction;
void initSnake();
void delay(u16 i);
void Hc595SendByte(u8 dat);
void move();
void Keypros();
void creatFood();
void snake_Grow(void);
void drawsnake();
void initSnake()
{
snake_x=0;
snake_y=0;
length=1;
direction=2;
}
void delay(u16 i)
{
while(i--);
}
void move()
{
u8 len = length- 1;
for(len; len > 0; len--)
{
snake_x = snake_x;
snake_y = snake_y; //一直到蛇头
}
switch(direction)
{
case 1:
snake_y--;
break;
case 2:
snake_y++; //再利用蛇头转变方向
break;
case 3:
snake_x--;
break;
case 4:
snake_x++;
break;
default:
break;
}
}
//贪吃蛇的上下左右行动控制
void Keypros()
{
if(up==0)
{
delay(1000);//消抖处理
if(up==0)
{
if(direction==3|direction==4)
direction=1; //在地址1内写入数据num
}
while(!up);
}
if(down==0)
{
delay(1000);//消抖处理
if(down==0)
{ if(direction==3|direction==4)
direction=2;
}
while(!down);
}
if(lt==0)
{
delay(100);//消抖处理
if(lt==0)
{
if(direction==1|direction==2)
direction=3;
}
while(!lt);
}
if(rt==0)
{
delay(1000);//消抖处理
if(rt==0)
{
if(direction==1|direction==2)
direction=4;
}
while(!rt);
}
}
void creatFood()//随机创造食物
{
u8 i;
foodx=rand()%8;
foody=rand()%8;
for(i=0; i<length; i++)
{
if((foodx==snake_x)&&(foody==snake_y)) //如果食物与蛇的身体重叠，要重新创建
{
creatFood();
}
}
}
void snake_Grow(void)
{
if(snake_x == foodx && snake_y == foody)
{
creatFood();
snake_x = snake_x;
snake_y = snake_y;
length++;
}
}
void drawsnake() //点亮蛇和食物
{
u8 i;
for(i=0;i<length;i++)
{
P1=Hc595_Coordy];
P0=Hc595_Coordx];
delay(20);
P0=0xff;
P1=Hc595_Coordy;
P0=Hc595_Coordx;
delay(20);
P0=0xff;
}
}
void JudgeDeath(void)
{
u8 i;
// 判断蛇撞墙死亡
if((snake_x>7)||(snake_y>7))
{
Hc595SendByte(0x00);
while(1);
}
// 判断蛇撞到自己身体死亡
for(i=4; i<length; i++)
{
if((snake_x==snake_x)&&(snake_y==snake_y))
{
P0=0xFF;
while(1);
}
}
}
void Timer0Init()
{
TMOD|=0X01;//选择为定时器0模式，工作方式1，仅用TR0打开启动。
TH0=0XD8; //给定时器赋初值，定时10ms
TL0=0XF0;
ET0=1;//打开定时器0中断允许
EA=1;//打开总中断
TR0=1;//打开定时器
}
void main()
{
Timer0Init();
initSnake();
while(1)
{
drawsnake();
JudgeDeath();
snake_Grow();
Keypros();
}
}
void Timer0() interrupt 1
{
static u16 i;
TH0=0XD8; //给定时器赋初值，定时10ms
TL0=0XF0;
i++;
if(i==50)
{
i=0;
move();
}
}
https://www.bilibili.com/video/BV1mt4y197HQ/
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