關于stc89c52單片機貪吃蛇小游戲源碼 12864顯示

ID:149311 · 發表于 2018-8-10 15:55

制作一個貪吃蛇小游戲用12864顯示，即時顯示，可控制速度，附上源代碼，just娛樂，可供研究

單片機源程序如下:

//12864并行接口參考程序，控制器st7920
#include "reg51.h"
#include "Lcd12864.h"
#include "Key.h"
#define uchar unsigned char
#define uint unsigned int
static unsigned long Seed = 1;
#define A 48271L
#define M 2147483647L
#define Q (M / A)
#define R (M % A)
/************************************
偽隨機數發生器
*************************************/
double Random(void)
{
long TmpSeed;
TmpSeed=A*(Seed%Q)-R*(Seed/Q);
if(TmpSeed>=0)
Seed=TmpSeed;
else
Seed=TmpSeed+M;
return (double)Seed/M;
}
/**************************************
為偽隨機數發生器播種
***************************************/
void InitRandom(unsigned long InitVal)
{
Seed=InitVal;
}
//延時子程序
void delay(unsigned int t)
{
unsigned int i,j;
for(i=0;i<t;i++)
for(j=0;j<10;j++);
}
/*********************************
初始化MPU
**********************************/
void InitCpu(void)
{
TMOD=0x0;
TH0=0;
TL0=0;
TR0=1;
ET0=1;
EA=1;
}
#define N 25
struct Food
{
unsigned char x;
unsigned char y;
unsigned char yes;
}food;//食物結構體
struct Snake
{
unsigned char x[N];
unsigned char y[N];
unsigned char node;
unsigned char direction;
unsigned char life;
}snake;//蛇結構體
unsigned char Flag=0;
unsigned char Score=0;
unsigned char Speed=5;
unsigned char KeyBuffer=0;
#define FUNC 1
#define UP 2
#define DOWN 3
#define LEFT 4
#define RIGHT 5
#define PASSSCORE 50//預定義過關成績
void Timer0Int(void) interrupt 1
{
switch(OSReadKey())
{
case 9:
KeyBuffer=FUNC;
/*if(++Speed>=10)
Speed=1;
Flag|=1<<1;//速度變化標志置1*/
break;
case 13:
KeyBuffer=DOWN;
/*if(snake.direction!=2)
snake.direction=1;*/
break;
case 17:
KeyBuffer=UP;
/*if(snake.direction!=1)
snake.direction=2;*/
break;
case 21:
KeyBuffer=RIGHT;
/*if(snake.direction!=4)
snake.direction=3;*/
break;
case 25:
KeyBuffer=LEFT;
/*if(snake.direction!=3)
snake.direction=4;*/
break;
default:
break;
}
/* if(K1==1)
KeyBuffer=DOWN;
//if(++Speed>=10) Speed=1; Flag|=1<<1;//速度變化標志置1
if(K2==1)
KeyBuffer=RIGHT;
//if(snake.direction!=2) snake.direction=1;
*/
}
/******************************
畫墻壁，初始化界面
*******************************/
void DrawBoard(void)
{
unsigned char n;
for(n=0;n<31;n++)
{
Lcd_Rectangle(3*n,0,3*n+2,2,1);
Lcd_Rectangle(3*n,60,3*n+2,62,1);
}
for(n=0;n<21;n++)
{
Lcd_Rectangle(0,3*n,2,3*n+2,1);
Lcd_Rectangle(90,3*n,92,3*n+2,1);
}
Lcd_HoriLine(93,31,35,1);
Lcd_HoriLine(93,63,35,1);
}
/***************************
打印成績
****************************/
void PrintScore(void)
{
unsigned char Str[3];
Lcd_WriteStr(6,0,"成績");
Str[0]=(Score/10)|0x30;//十位
Str[1]=(Score%10)|0x30;//個位
Str[2]=0;
Lcd_WriteStr(7,1,Str);
}
/********************************
打印速度級別
*********************************/
void PrintSpeed(void)
{
unsigned char Str[2];
Lcd_WriteStr(6,2,"級別");
Str[0]=Speed|0x30;
Str[1]=0;
Lcd_WriteStr(7,3,Str);
}
/***********************************
游戲結束處理
************************************/
void GameOver(void)
{
unsigned char n;
Lcd_Rectangle(food.x,food.y,food.x+2,food.y+2,0);//消隱出食物
for(n=1;n<snake.node;n++)
{
Lcd_Rectangle(snake.x[n],snake.y[n],snake.x[n]+2,snake.y[n]+2,0);//消隱食物，蛇頭已到墻壁內，故不用消去
}
if(snake.life==0)//如果蛇還活著
Lcd_WriteStr(2,1,"通關");
else //如果蛇死了
Lcd_WriteStr(2,1,"輸了");
Lcd_WriteStr(1,2,"游戲結束");
}
/********************************
游戲的具體過程，也是貪吃蛇算法的關鍵部分
*********************************/
void GamePlay(void)
{
unsigned char n;
InitRandom(TL0); //數據流入
food.yes=1;//1表示需要出現新事物，0表示已經存在食物尚未吃掉
snake.life=0;//表示蛇還活著
snake.direction=DOWN;
snake.x[0]=6;snake.y[0]=6;
snake.x[1]=3;snake.y[1]=6;
snake.node=2;
PrintScore();
PrintSpeed();
while(1)
{
if(food.yes==1)
{
while(1)
{
food.x=Random()*85+3;
food.y=Random()*55+3;//獲得隨機數
while(food.x%3!=0)
food.x++;
while(food.y%3!=0)
food.y++;
for(n=0;n<snake.node;n++)//判斷產生的食物坐標是否和蛇身重合
{
if((food.x==snake.x[n])&&(food.y==snake.y[n]))
break;
}
if(n==snake.node)
{
food.yes=0;
break;//產生有效的食物坐標
}
}
}
if(food.yes==0)
{
Lcd_Rectangle(food.x,food.y,food.x+2,food.y+2,1);
}
for(n=snake.node-1;n>0;n--)
{
snake.x[n]=snake.x[n-1];
snake.y[n]=snake.y[n-1];
}
switch(snake.direction)
{
case DOWN:snake.x[0]+=3;break;
case UP:snake.x[0]-=3;break;
case RIGHT:snake.y[0]-=3;break;
case LEFT:snake.y[0]+=3;break;
default:break;
}
for(n=3;n<snake.node;n++)//從第三節開始判斷蛇頭是否咬到自己
{
if(snake.x[n]==snake.x[0]&&snake.y[n]==snake.y[0])
{
GameOver();
snake.life=1;
break;
}
}
if(snake.x[0]<3||snake.x[0]>=90||snake.y[0]<3||snake.y[0]>=60)//判蛇頭是否撞到墻壁
{
GameOver();
snake.life=1;
}
if(snake.life==1)
break;//蛇死，則跳出while(1)循環
if(snake.x[0]==food.x&&snake.y[0]==food.y)//判蛇是否吃到食物
{
Lcd_Rectangle(food.x,food.y,food.x+2,food.y+2,0);//消隱食物
snake.x[snake.node]=200;
snake.y[snake.node]=200;//產生蛇新的節坐標先放在看不見的位置
snake.node++;//蛇節數加1
food.yes=1;//食物標志置1
if(++Score>=PASSSCORE)
{
PrintScore();
GameOver();
break;
}
PrintScore();
}
for(n=0;n<snake.node;n++)
{
Lcd_Rectangle(snake.x[n],snake.y[n],snake.x[n]+2,snake.y[n]+2,1);
}//根據蛇的節數畫出蛇
delay(Speed*1000);
Lcd_Rectangle(snake.x[snake.node-1],snake.y[snake.node-1],snake.x[snake.node-1]+2,snake.y[snake.node-1]+2,0);
switch(KeyBuffer)
{
case FUNC:
KeyBuffer=0;
if(++Speed>=10)
Speed=1;
PrintSpeed();
break;
case DOWN:
KeyBuffer=0;
if(snake.direction!=UP)
snake.direction=DOWN;
break;
case UP:
KeyBuffer=0;
if(snake.direction!=DOWN)
snake.direction=UP;
break;
case RIGHT:
KeyBuffer=0;
if(snake.direction!=LEFT)
snake.direction=RIGHT;
break;
case LEFT:
KeyBuffer=0;
if(snake.direction!=RIGHT)
snake.direction=LEFT;
break;
default:
break;
}
}//結束while(1)
}
void Main()
{
InitCpu();//初始化CPU
Lcd_Reset(); //初始化LCD屏
Lcd_Clear(0);//清屏
DrawBoard();//畫界面
GamePlay();//玩游戲
GameOver();//游戲結束
while(1);//要想重玩，只能重啟，可繼續完善該游戲
}

復制代碼

所有資料51hei提供下載:

SnakeGame.rar (72.74 KB, 下載次數: 37)

ID:110606 · 發表于 2018-8-13 15:13

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關于stc89c52單片機貪吃蛇小游戲源碼 12864顯示

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