求问怎么改变蛇的初始长度，以及可以帮忙看一下是用什么原理吃掉食物和蛇身变长的吗？

ID:364491 · 发表于 2018-7-9 15:36

#include <at89x51.h>
#include "12864.h"
#include "zf.h"
uchar length[62]={0,6,1,1}; //´æ·ÅÉßÉíµÄÊý×é;
bit flag2,flag4,flag=0; //flagÊÇÐÐÁÐ±êÖ¾,0±íÊ¾ÐÐ£¬1±íÊ¾ÁÐ;flag1ÊÇ²½½ø±êÖ¾ flag2±íÊ¾ÊÇ·ñÉßÍ·Óöµ½ÉßÉí 1±íÊ¾Ã»ÓÐ;
bit flag3,flag5=0;
bit flag1=0;             //flag5ÊÇÍâ²¿ÖÐ¶Ï1µÄ±êÖ¾Î»£¬flag3±íÊ¾Ê³ÎïÊÇ·ñÔÚÉßÉíÉíÉÏ;flag4ÊÇÉßÊÇ·ñ³ÔÊ³ÎïµÄ±êÖ¾
uchar k,dengji=2;          //flag3ÊÇÊ³ÎïÊÇ·ñÖØÑ¡µÄ±êÖ¾¡£kÊÇ°´¼üºÅ;
uchar direction=1;    //direction±íÊ¾·½Ïò;
uchar p=10;             //¶¨Ê±´ÎÊý
sbit LED=P1;
sbit REST=P3^5;
/*ÖÐ¶ÏÁË³ÌÐò*/
/*Í¨¹ý°´¼üµÄÖµÅÐ¶ÏÉßÍ·ÐÐ×ßµÄ·½Ïò*/
sbit SPK=P3^4;
#define uchar unsigned char
#define uint unsigned int
//ÓÎÏ·½áÊøÌáÊ¾Òô
uchar code SONG_TONE[]=
{
  212,212,190,212,159,169,0
};
uchar code SONG_LONG[]=
{
  9,3,12,12,12,24,0
};
void delay(unsigned char n)
{
unsigned char a;
for(a=0;a<n;a++);
}
void PlayMusic()
{
  uint i =0,j,k;
while(SONG_LONG[i]!=0||SONG_TONE[i]!=0)
{
for(j=0;j<SONG_LONG[i]*20;j++)
  {
SPK = ~SPK;
for(k=0;k<SONG_TONE[i]/3;k++);
  }
  delay(5);
  i++;
}
}
//°´¼üÒô
void DelayMS(uint x)
{
  uchar t;
while(x--)
{
for(t=0;t<120;t++);
}
}
void Play(uchar t)
{
  uchar i;
for(i=0;i<100;i++)
{
SPK = ~SPK;
  DelayMS(t);
}
SPK = 0;
}
unsigned char counter;
void zhongduan() interrupt 0 using 0
  {
k=(P2>>6);
k=k&0x03;
if(flag)
{
if(k==1) direction=3; Play(1);//×ó
if(k==2)  direction=1;Play(1);//ÓÒ
}
else
{
if(k==0)  direction=4;Play(1);//ÉÏ
if(k==3)  direction=2;Play(1);//ÏÂ
}
if(k==0)P1=0xfe;
else if(k==1)P1=0xfd;
else if(k==2)P1=0xfb;
else if(k==3)P1=0xf7;
else P1=0xff;
  }

/*¿ªÊ¼ÔÝÍ£¼üµÄÅÐ¶Ï*/
void zhongduan1() interrupt 2 using 2
{
  if(!flag5)
{
   flag5=1;
Play(1);
P1=0xef;
}
else
{
   flag5=0;
Play(1);
P1=0xef;
}
}

void dingshi() interrupt 1  using 1  //¶¨Ê±³ÌÐò.²úÉú²½½øÊ±¼ä
{
if(p--)
{
TL0=0;
TH0=0xa0;
flag1=0;
}
else
{
   flag1=1;
  TL0=0;
  TH0=0x00;
  p=10-(dengji>>1);
}
}
main()
{

  uchar food[2]={12,8};
  uchar i,x,y;    //x,yÊÇÊ³ÎïµÄ»º´æÇø
  choose12864(2);
  init12864();
  clear12864();

  length[62]=2;
  delay1ms(350);
  delay1ms(350);
  choose12864(2);
  clear12864();
  vertical(1,61,30);
  vertical(1,61,127);
  for(i=0;i<98;i++)
  {
dot(30+i,1);//ÉèÖÃÇ½Ìå
dot(30+i,62);
  }
  play16(0,0,0,tan);
  play16(0,0,1,chi);
  play16(0,0,2,she);
  change(length,(length+1));
  change((length+2),(length+3));
  change(food,food+1);
  TMOD=1; //¶¨Ê±Æ÷¹¤×÷·½Ê½
  IT0=1; //±ßÑÓÓÐÐ§
  IT1=1;
  EA=1; //¿ªCPUÖÐ¶Ï
  ET0=1; //¿ª¶¨Ê±Æ÷ÖÐ¶Ï
  EX0=1; //¿ªÍâ²¿ÖÐ¶Ï
  EX1=1;
  TL0=0x00;
  TH0=0x00; //¶¨Ê±Æ÷³õÖµ
  TR0=1; //Æô¶¯¶¨Ê±Æ÷
  do
  {
while(flag5|!flag1);
x=*(length);
y=*(length+1);
switch(direction)    //ÓÒ
{
case 1:
   {
   for(i=0;i<dengji-1;i++)
      {
      *(length+(i<<1))=*(length+(i<<1)+2);
   *(length+(i<<1)+1)=*(length+(i<<1)+3);
      }
      (*(length+(dengji<<1)-2))++;
   flag=0;
   break;
   }
   case 2:    //ÏÂ
{
   for(i=0;i<dengji-1;i++)
      {
      *(length+(i<<1))=*(length+(i<<1)+2);
   *(length+(i<<1)+1)=*(length+(i<<1)+3);
      }
   (*(length+(dengji<<1)-1))++;
flag=1;
break;
}
  case 3:    //×ó
{
      for(i=0;i<dengji-1;i++)
      {
      *(length+(i<<1))=*(length+(i<<1)+2);
   *(length+(i<<1)+1)=*(length+(i<<1)+3);
      }
      (*(length+(dengji<<1)-2))--;
   flag=0;
   break;
}
  case 4:
{ //ÉÏ
for(i=0;i<dengji-1;i++)
      {
      *(length+(i<<1))=*(length+(i<<1)+2);
   *(length+(i<<1)+1)=*(length+(i<<1)+3);
      }
   (*(length+(dengji<<1)-1))--;
flag=1;
break;
}
  }
  flag4=((*(length+(dengji<<1)-2))==food[0])&&((*(length+(dengji<<1)-1))==food[1]);
  if(flag4)
  {
  for(i=dengji;i>0;i--)
  {
*(length+(i<<1))=*(length+(i<<1)-2);
*(length+(i<<1)+1)=*(length+(i<<1)-1);
  }
  *length=x;
  *(length+1)=y;
  dengji++;
  do
  {
flag3=0;
food[0]=TL0%24;
   food[1]=TL0%15;
for(i=0;i<dengji-1;i++)  //Ê³ÎïÊÇ·ñÔÚÉßÉíÉíÉÏ
{
   if((*(length+(i<<1)))==food[0]&&((*(length+(i<<1)+1))==food[1]))
{
   flag3=1;
   break;
}
}
  }while(flag3);
  change(food,food+1);
  }
   flag2=1; //ÉßÍ·Ã»ÓÐÓöµ½ÉßÉí
  for(i=0;i<dengji-1;i++)
      {
   if(*(length+(i<<1))==*(length+(dengji<<1)-2)&&(*(length+(i<<1)+1)==*(length+(dengji<<1)-1)))
   {
   flag2=0;
break;
}
  }
flag2=flag2&&*(length+(dengji<<1)-2)>=0&&*(length+(dengji<<1)-2)<24;//ÉßÍ·ÊÇ·ñ³ö±ß½ç
flag2=flag2&&*(length+(dengji<<1)-1)>=0&&*(length+(dengji<<1)-1)<15;
if(flag2)
{
   clear(&x,&y);
   {
      change(length+(dengji<<1)-2,length+(dengji<<1)-1);
   }
if(flag4)
{
   change(&x,&y);
}
   flag1=0;
   play8(0,0,3,shu0+((dengji/10)<<4));
   play8(0,1,3,shu0+(((dengji)%10)<<4));
}
}
  //while(REST);
// delay1ms(450);
// delay1ms(450);
// choose12864(2);
// clear12864();
  // delay1ms(450);
// delay1ms(450);
// init12864();
// clear12864();
//while(1);

while(flag2);
delay1ms(450);
delay1ms(450);
choose12864(2);
clear12864();
play16(0,4,1,over);
play16(0,6,1,over+32);
play16(1,0,1,over+64);
play16(1,2,1,over+96);
  PlayMusic();
  SPK=1;
//while(1);
delay1ms(450);
delay1ms(450);

if(flag5!=flag)
{
   (*(void(*)())0)(); //ÈÃPCÖÃ³ÌÐò¼ÆÊýÆ÷µØÖ·Áã
  }
  choose12864(2);
  init12864();
  clear12864();

}

ID:1 · 发表于 2018-7-10 03:17

乱码太多了重新发吧此贴先关了

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