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开发学院软件开发C++ 跳动的小球 阅读

跳动的小球

 2008-03-08 12:48:59 来源:WEB开发网   
核心提示:#include <graphics.h>#include <stdlib.h>#include <stdio.h>#include <conio.h>#include <math.h>#define ESC 0x1b;#define MAXNUM 100ma
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <math.h>
#define ESC 0x1b;
#define MAXNUM 100 main()
{  char *buf;
   char sign,sign1[MAXNUM] = {1},sign2[MAXNUM] = {1};
   int i,size,a;
   int x[MAXNUM],y[MAXNUM],r[MAXNUM][MAXNUM];
   int gd = DETECT,gm;
   clrscr();
   PRintf("please input the number of ball you want:\n");
   scanf("%d",&a);
   registerbgidriver(EGAVGA_driver);
   initgraph(&gd,&gm,"");
   setcolor(YELLOW);
   setfillstyle(SOLID_FILL,9);
   rectangle(0,0,getmaxx(),getmaxy());
   rectangle(1,1,getmaxx()-1,getmaxy()-1);
   bar(2,2,getmaxx()-2,getmaxy()-2);
   for(i = 8;i >=0;i --)
   {  setcolor(i + 7);
 circle(11,getmaxy() - 11,i);
   }
   size = imagesize(2,getmaxy() - 20,20,getmaxy() - 2);
   buf = malloc(size);
   getimage(2,getmaxy()-20,20,getmaxy() - 2,buf);
   for(i = 8;i >= 0;i --)
   {  setcolor(9);
 circle(11,getmaxy() - 11,i);
   }
   randomize();
   for(i = 0;i < a;i ++)
   {  x[i] = random(600) + 20;
 y[i] = random(400) + 32;
   }    while(1)
   {  if(kbhit())
   {  sign = getch();
     if(sign == 0x1b)
   {  free(buf);
     break;
   }
   }
 else
   {
     for(i = 0;i < a;i ++){
     putimage((sign1[i] == 1  ? x[i] ++ : x[i] --),
  (sign2[i] == 1  ? y[i] ++ : y[i] --),buf,COPY_PUT);      if(x[i] > getmaxx() - 21)
   sign1[i] = 0;
     if(x[i] < 3) sign1[i] = 1;
     if(y[i] > getmaxy() - 21)
   sign2[i] = 0;
     if(y[i] < 3) sign2[i] = 1;}
   }
   }
   free(buf);
   closegraph();
   return 0;
}  right">(出处:清风软件下载学院)

Tags:跳动 小球

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