简单图形模拟吃豆游戏

这个程序主要是想了下怎么样让游戏中的敌人自己行走,但是又不会固定在两点往返徘徊,我用的方法是随机方向,而且走的一步不可以和前一部的方向相反,希望高手们多多指点.也希望高手们可以指教下编写简单游戏的一些技术. /*上海工程技术大学 02211031 朱昀, email: milo_zy@sohu.com*/ #include "graphics.h"
#include "stdlib.h"
#include "dos.h"
#include "bios.h"
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define DOWN 0x5000
#define UP 0x4800
#define ESC 0x011b
#define ENTER 0x1c0d
/*2墙壁,1可以移动地方,3自己,4敌人*/
int a[15][20]={2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
               2,1,1,0,0,0,1,0,1,0,0,0,1,1,1,1,1,1,0,2,
               2,1,2,2,2,1,1,2,1,1,0,0,0,1,1,4,1,1,0,2,
               2,1,1,0,2,1,1,2,0,1,1,2,2,2,2,2,0,0,0,2,
               2,4,1,0,2,1,1,2,1,1,1,0,1,1,1,1,0,1,1,2,
               2,1,2,1,2,1,1,2,1,3,2,2,1,1,1,1,2,2,1,2,
               2,1,2,1,2,1,1,1,1,1,1,1,1,0,0,0,1,1,1,2,
               2,1,2,1,0,1,1,1,1,2,1,0,1,2,2,2,1,1,1,2,
               2,1,0,1,0,1,2,1,1,2,1,0,1,2,1,1,4,1,1,2,
               2,1,0,2,0,1,2,1,1,2,1,0,1,2,1,1,1,1,1,2,
               2,1,0,2,1,1,2,1,1,2,1,0,2,2,1,0,0,0,1,2,
               2,1,1,2,1,1,2,1,1,2,1,0,2,1,1,2,2,1,1,2,
               2,1,2,2,1,2,2,1,1,1,1,0,1,4,1,2,0,0,1,2,
               2,1,0,0,0,0,0,4,0,1,1,0,1,1,1,1,0,0,1,2,
        2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2};/*数组就是地图*/
strUCt play /*游戏中人物的结构体*/
{
int x;
int y;
};
struct play you,them[5];
int sum=0;/*统计吃的豆子个数,吃满50颗就算胜利*/
int xx[5][2];/*判定敌人方向用的结构体*/
int false=0;
void TimeDelay(unsigned long microsec) /*延时函数传入微秒数*/
{
union REGS r;
r.h.ah=0x86;
r.x.cx=microsec>>16;
r.x.dx=microsec;
int86(0x15,&r,&r);
}
drawblackdou(int x,int y)/*吃豆子的函数*/
begain()/*开始函数*/
{int i,j;
sleep(1);
for(i=0;i<15;i++)
for(j=0;j<20;j++)
   if(a[i][j]==2)/*代表墙壁*/
    {
     setfillstyle(SOLID_FILL,BLUE);
     bar(100+j*20-10,100+i*20+10,100+j*20+10,100+i*20-10);
    }
   else if(a[i][j]==3)/*代表自己*/
    {
     setcolor(RED);
     circle(100+j*20,100+i*20,9);
    }
   else if(a[i][j]==4)/*代表敌人*/
    {
     setcolor(GREEN);
     circle(100+j*20,100+i*20,9);
    }
   else if(a[i][j]==0)/*代表豆子*/
   {
    setcolor(YELLOW);
    circle(100+j*20,100+i*20,3);
   }
you.x=5;you.y=9;/*敌人也自己的开始坐标*/
them[0].x=2;them[0].y=15;
them[1].x=4;them[1].y=1;
them[2].x=8;them[2].y=16;
them[3].x=12;them[3].y=13;
them[4].x=13;them[4].y=7;
}
void movethem(struct play *them)/*敌人移动的过程*/
{int i,loop;
randomize();
for(i=0;i<5;i++)
{
if(you.x==them[i].x&&(them[i].y+1)==you.y)
   them[i].y++;
else if(you.x==them[i].x&&(them[i].y-1)==you.y)
   them[i].y--;
else if(you.y==them[i].y&&(them[i].x+1)==you.x)
them[i].x++;
else if(you.y==them[i].y&&(them[i].x-1)==you.x)/*只要控制者在身边就立即靠上去*/
them[i].x--;
else
{
loop:
   xx[i][0]=rand()%4+1;/*这里的方向采取随机赋值,原则是新的方向不可以和原来的方向相反*/
   if(xx[i][0]==1&&xx[i][1]==2xx[i][0]==2&&xx[i][1]==1)
    goto loop;
   if(xx[i][0]==3&&xx[i][1]==4xx[i][0]==4&&xx[i][1]==3)
    goto loop;
   xx[i][1]=xx[i][0];
if(xx[i][0]==1)/*四个方向*/
   {them[i].x--;
    if(a[them[i].x][them[i].y]==2)/*假如碰墙壁的话就回到原来的地方等待随机的方向*/
    {them[i].x++;goto loop;}
   }
else if(xx[i][0]==2)
   {them[i].x++;
    if(a[them[i].x][them[i].y]==2)
    {them[i].x--;goto loop;}
   }
else if(xx[i][0]==3)
   {them[i].y++;
    if(a[them[i].x][them[i].y]==2)
    {them[i].y--;goto loop;}
   }
else if(xx[i][0]==4)
   {them[i].y--;
    if(a[them[i].x][them[i].y]==2)
    {them[i].y++;goto loop;}
   }
}
}
}
fun(struct play *them)/*移动中的判定*/
{
int i;
setcolor(0);/*把敌人的老位置删除*/
   for(i=0;i<5;i++)
    circle(them[i].y*20+100,them[i].x*20+100,9);
movethem(them);/*根据控制者的位置来决定敌人的移动方向*/
}
win()/*胜利的话*/
{
cleardevice();
settextstyle(0,0,4);
while(!kbhit())
{
setcolor(rand()%13+1);
   outtextxy(200,200,"YOU WIN!");
delay(1000);
}
}
false1()/*失败画面*/
{
cleardevice();
settextstyle(0,0,4);
while(!kbhit())
{
setcolor(rand()%13+1);
   outtextxy(180,200,"GAME OVER!");
delay(1000);
}
}
loseyes()/*判定是否失败*/
{int i;
for(i=0;i<5;i++)
   if(them[i].x==you.x&&them[i].y==you.y)
   false=1;/*假如失败的话*/
}
main()
{int gd=DETECT,gm;
int key,i;
initgraph(&gd,&gm,"c:\tc");
cleardevice();
begain();/*开始画面*/
while(1)
{
while(!kbhit())
   {
setcolor(GREEN);/*重画敌人*/
for(i=0;i<5;i++)
   circle(them[i].y*20+100,them[i].x*20+100,9);
TimeDelay(280000);
   fun(them);/*处理敌人*/
for(i=0;i<5;i++)
   if(them[i].x==you.x&&them[i].y==you.y)
   false=1;/*假如失败的话*/
loseyes();/*判定是否失败*/
if(false)
    break;
   }
if(false)
    break;
key=bioskey(0);
setcolor(0);/*把自己原来位置的人给删除掉*/
circle(100+you.y*20,100+you.x*20,9);
   if(key==ESC)
    break;
   else if(key==UP)/*这里开始的判定主要是是否吃到豆子和碰到墙壁*/
    {you.x--;
     if(a[you.x][you.y]==2) you.x++;
     else if(a[you.x][you.y]==0)
     drawblackdou(you.x,you.y);}
   else if(key==DOWN)
    {you.x++;if(a[you.x][you.y]==2) you.x--;
     else if(a[you.x][you.y]==0)
     drawblackdou(you.x,you.y);}
   else if(key==RIGHT)
    {you.y++;if(a[you.x][you.y]==2) you.y--;
     else if(a[you.x][you.y]==0)      drawblackdou(you.x,you.y);}
   else if(key==LEFT)
    {you.y--;if(a[you.x][you.y]==2) you.y++;
     else if(a[you.x][you.y]==0)
     drawblackdou(you.x,you.y);}
     if(sum==50)
      break;
setcolor(RED);/*执行了一次键盘后再画出自己的位置*/
circle(100+you.y*20,100+you.x*20,9);
loseyes();/*自己走上去碰到敌人的可能*/
   if(false)
    break;
}
if(sum==50)/*吃满豆子了*/

if(false)

closegraph();
}