C语言贪吃蛇源程序代码双人对抗

#include

#include

#include

#include

#include

#include

#include

#define LEFT 100

#define TOP 30

#define RIGHT 538

#define BOTTOM 468

#define SIZE 20

#define SL 100 /*SL表示产生食物的个数*/

typedef struct Snake/*表示蛇的结点*/

{

int bx,by;

struct Snake *next;

}Snake,*SnakeList;

SnakeList createsnake(int cx,int cy)/*创建一个蛇头。*/

{

SnakeList l;

l=(SnakeList)malloc(sizeof(Snake));

l->next=NULL;

l->bx=cx;

l->by=cy;

return l;

}

void paintsnake(SnakeList l,int scoler,int tcoler)/*输出蛇身的函数，也可作为消去蛇身的函数。*/

{

SnakeList p;

int x,y;

p=l;

setfillstyle(SOLID_FILL,scoler);

for(;p->next;)

{

p=p->next;

x=p->bx;

y=p->by;

bar(x,y,x+SIZE,y+SIZE);

}

if(scoler==2)

setfillstyle(SOLID_FILL,scoler);

else

setfillstyle(SOLID_FILL,tcoler);

x=l->bx;

y=l->by;

bar(x,y,x+SIZE,y+SIZE);

}

void changsnake(SnakeList l,int fx,int fy,int s) /*fx,fy表示蛇头移动方向，分别取值为1，-1;s表示是否吃到食物，1表示吃到，0表示没有。*/

{

SnakeList p=l;

int x,y,t;

x=p->bx;

y=p->by;

p->bx=x+fx*(SIZE+2);

p->by=y+fy*(SIZE+2);

for(;p->next;)

{

p=p->next;

t=p->bx;

p->bx=x;

x=t;

t=p->by;

p->by=y;

y=t;

}

if(s)

{

p->next=(SnakeList)malloc(sizeof(Snake));

p->next->bx=x;

p->next->by=y;

p->next->next=NULL;

}

}

void setfood(int *fx,int *fy,SnakeList al,SnakeList bl)/*设置随机食物*/

{

int a,b,s=1,s2;

SnakeList slist1;

SnakeList slist2;

setfillstyle(SOLID_FILL,6);

srand(time(NULL));

for(;s;)

{

slist1=al;

slist2=bl;

a=rand()%(SIZE);

b=rand()%(SIZE);

a=LEFT+(a)*22;

b=TOP+(b)*22;

s2=1;

for(;slist1&&s2;)

{

if(a==slist1->bx&&b==slist1->by)

s2=0;

else

slist1=slist1->next;

}

s2=1;

for(;slist2&&s2;)

{

if(a==slist2->bx&&b==slist2->by)

s2=0;

else

slist2=slist2->next;

}

if(slist1==

NULL&&slist2==NULL)

s=0;

}

*fx=a;

*fy=b;

bar(*fx,*fy,*fx+20,*fy+20);

}

void qufood(int fx,int fy)/*消去食物*/

{

setfillstyle(SO