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请高手指点,拜谢!!!!!
改动方向:蛇的速度应该设置难度进行控制，得分达到一定程度后提升难度。
#include assert.h
#include time.h
#include stdio.h
#include conio.h
#include graphics.h
#include stdlib.h
#include math.h
#include process.h
#include dos.h
#define initnum 1
#define P 0x1970
#define ESC 0x011b
#define UP 0x4800
#define DOWN 0x5000
#define LEFT 0x4b00
#define RIGHT 0x4d00
int direc=1;
int foodnum=0;
struct body
{
int x;
int y;
struct body *next;
};
struct body *head,*rear,*p;
int inbody(struct body *c)
{
int k;
for(k=1;kfoodnum+initnum;k++)
{
if(c-x==head-x&&c-y==head-y)
return 1;
else
head=head-next;
}
head=head-next;
return 0;
}
void drawfood()
{
p=(struct body *)malloc(sizeof(struct body));
p-x=(rand()%42+2)*10;
p-y=(rand()%42+4)*10;
while(inbody(p))
{
p-x=(rand()%42+2)*10;
p-y=(rand()%42+4)*10;
}
bar(p-x+1,p-y+1,p-x+9,p-y+9);
}
void initbody()
{
int k;
p=(struct body *)malloc(sizeof(struct body));
p-x=20; p-y=40;
rear=p; head=p;
bar(head-x+1,head-y+1,head-x+9,head-y+9);
for(k=1;kinitnum;k++)
{
p=(struct body *)malloc(sizeof(struct body));
p-x=rear-x+10; p-y=40;
rear-next=p;
rear=p;
bar(rear-x+1,rear-y+1,rear-x+9,rear-y+9);
}
rear-next=head;
}
void movebody(int direc)
{
int i,j;
i=head-x; j=head-y;
switch(direc)
{
case 1:
{head-x=rear-x+10;
head-y=rear-y;
break;}
case 2:
{head-x=rear-x;
head-y=rear-y+10;
break;}
case 3:
{head-x=rear-x-10;
head-y=rear-y;
break;}
case 4:
{head-x=rear-x;
head-y=rear-y-10;
break;}
}
rear=head;
head=rear-next;
if(rear-x430||rear-x20||rear-y450||rear-y40)
{ exit (0); }
if(inbody(rear))
{ exit (0); }
bar(rear-x+1,rear-y+1,rear-x+9,rear-y+9);
if(rear-x==p-x&&rear-y==p-y)
{ p-x=i;p-y=j;
rear-next=p; p-next=head;head=p;foodnum++;drawfood();
}
else
{
setfillstyle(SOLID_FILL,BLACK);
bar(i+1,j+1,i+9,j+9);
setfillstyle(SOLID_FILL,GREEN);
}
}
main()
{
int gd=VGA,gm=VGAHI;
int i,key;
initgraph(&gd,&gm,"");
setbkcolor(BLACK);
setcolor(RED);
setfillstyle(SOLID_FILL,GREEN);
cleardevice();
rectangle(20,40,440,460);
setcolor(GREEN);
randomize();
initbody();
drawfood();
while(1)
{
while(!kbhit())
{
movebody(direc);
delay(20000);
}
key=bioskey(0);
if(key==UP&&direc!=2)
direc=4;
if(key==RIGHT&&direc!=3)
direc=1;
if(key==DOWN&&direc!=4)
direc=2;
if(key==LEFT&&direc!=1)
direc=3;
if(key==ESC)
exit(0);
if(key==P)
getch();
}
}
楼主 2016-04-28 11:32 回复
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