c语言小游戏（贪食蛇）

发布: 2007-4-28 23:35 | 作者: 网络转载 | 来源: flysky_2008的专栏 | 查看: 376次 | 进入软件测试论坛讨论

#include <stdlib.h>
#include <math.h>
#include <stdio.h>
#include <graphics.h>
int SCR[10][15];
typedef struct QNode
{int a,b;
struct QNode *next;
}QNode,*QueuePtr;

typedef struct
{QueuePtr front;
QueuePtr rear;
}LinkQueue;

LinkQueue *Q;
QNode *p;

void InitQueue()
{Q->front=Q->rear=(QueuePtr)malloc(sizeof(QNode));
if(!Q->front) exit(0);
Q->front->next=NULL;
}

void EnQueue(int x,int y)
{p=(QueuePtr)malloc(sizeof(QNode));
if(!p) exit(0);
p->a=x;
p->b=y;
p->next=NULL;
Q->rear->next=p;
Q->rear=p;
}

int DeQueue()
{int e;
while(Q->front!=Q->rear)
{p=Q->front->next;
e=p->a;
Q->front->next=p->next;
if(Q->rear==p) Q->rear=Q->front;
free(p);
return e;
}
if(Q->front==Q->rear) printf("The Queue is empty!\n");
}

main()
{int score=0,i,j,RADx,RADy,key,x=100,y=100,X=100,Y=100,gd=DETECT,gm;
randomize();
InitQueue();
initgraph(&gd,&gm,"");
for(i=0;i<10;i++)
for(j=0;j<15;j++)
SCR[i][j]=0;
rectangle(X-1,Y-1,X+301,Y+201);
setfillstyle(1,GREEN);
bar(x,y,x+18,y+18);
EnQueue(x,y);
SCR[0][0]=1;
settextstyle(0,0,2);
outtextxy(10,10,"WELCOME TO PLAY!");
outtextxy(10,400,"exit->Esc");
outtextxy(450,100,"SCORE:");
do{RADx=random(200)+100;
    RADy=random(100)+100;
   }while((RADx%20)!=0||(RADy%20)!=0);
bar(RADx,RADy,RADx+18,RADy+18);
for(;;)
   {key=getch();
    setfillstyle(1,BLACK);
    bar(x,y,x+18,y+18);
    while(key==77&&Q->rear->a<X+280)
    {x=Q->rear->a;
     y=Q->rear->b;
     x+=20;
     setfillstyle(1,GREEN);
     bar(x,y,x+18,y+18);
     EnQueue(x,y);
     if(x!=RADx||y!=RADy)
    {x=Q->front->next->a;
     y=Q->front->next->b;
     setfillstyle(1,BLACK);
     bar(x,y,x+18,y+18);
     DeQueue();
     }
     else
     {do{RADx=random(200)+100;
RADy=random(100)+100;
       }while((RADx%20)!=0||(RADy%20)!=0||SCR[(RADx-100)/20][(RADy-100)/20]==1);
      bar(RADx,RADy,RADx+18,RADy+18);
      SCR[(RADx-100)/20][(RADy-100)/20]=1;
      score+=100;
     }
     delay(1000000000);
     if(kbhit())
     {key=getch();
      if(key==80||key==72) break;
     }
    }
    while(key==80&&Q->rear->b<Y+180)
    {x=Q->rear->a;
     y=Q->rear->b;
     y+=20;
     setfillstyle(1,GREEN);
     bar(x,y,x+18,y+18);
     EnQueue(x,y);
     if(x!=RADx||y!=RADy)
    {x=Q->front->next->a;
     y=Q->front->next->b;
     setfillstyle(1,BLACK);
     bar(x,y,x+18,y+18);
     DeQueue();
     }
     else
     {do{RADx=random(200)+100;
RADy=random(100)+100;
       }while((RADx%20)!=0||(RADy%20)!=0||SCR[(RADx-100)/20][(RADy-100)/20]==1);
      bar(RADx,RADy,RADx+18,RADy+18);
      SCR[(RADx-100)/20][(RADy-100)/20]=1;
     }
     delay(1000000000);
     if(kbhit())
     {key=getch();
      if(key==77||key==75) break;
     }
    }
    while(key==75&&Q->rear->a>X)
    {x=Q->rear->a;
     y=Q->rear->b;
     x-=20;
     setfillstyle(1,GREEN);
     bar(x,y,x+18,y+18);
     EnQueue(x,y);
     if(x!=RADx||y!=RADy)
    {x=Q->front->next->a;
     y=Q->front->next->b;
     setfillstyle(1,BLACK);
     bar(x,y,x+18,y+18);
     DeQueue();
     }
     else
     {do{RADx=random(200)+100;
RADy=random(100)+100;
       }while((RADx%20)!=0||(RADy%20)!=0||SCR[(RADx-100)/20][(RADy-100)/20]==1);
      bar(RADx,RADy,RADx+18,RADy+18);
      SCR[(RADx-100)/20][(RADy-100)/20]=1;
     }
     delay(1000000000);
     if(kbhit())
     {key=getch();
      if(key==80||key==72) break;
     }
   }
   while(key==72&&Q->rear->b>Y)
    {x=Q->rear->a;
     y=Q->rear->b;
     y-=20;
     setfillstyle(1,GREEN);
     bar(x,y,x+18,y+18);
     EnQueue(x,y);
     if(x!=RADx||y!=RADy)
    {x=Q->front->next->a;
     y=Q->front->next->b;
     setfillstyle(1,BLACK);
     bar(x,y,x+18,y+18);
     DeQueue();
     }
     else
     {do{RADx=random(200)+100;
RADy=random(100)+100;
       }while((RADx%20)!=0||(RADy%20)!=0||SCR[(RADx-100)/20][(RADy-100)/20]==1);
      bar(RADx,RADy,RADx+18,RADy+18);
      SCR[(RADx-100)/20][(RADy-100)/20]=1;
     }
     delay(1000000000);
     if(kbhit())
     {key=getch();
      if(key==77||key==75) break;
     }
    }
    if(key==27) break;
   }
closegraph();
}