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我的最爱

 2008-03-08 12:25:51 来源:WEB开发网   
核心提示:#include<graphics.h>#include<math.h>#define FNX(x1) (int)(x+(x1)*s)#define FNY(y1) (int)(MAXY-(y+y1*s))#define R(theta) 1-cos(theta)int s=50,MAXY;f

#include<graphics.h>
#include<math.h>
#define FNX(x1)  (int)(x+(x1)*s)
#define FNY(y1)  (int)(MAXY-(y+y1*s))
#define R(theta)  1-cos(theta)
int s=50,MAXY;
float x1,y1,xs,ys,r,theta;
 void  draw(int x,int y)
 {  for(theta=0;theta<=2*3.1415;theta+=0.01)
 {  r=R(theta);
  x1=r*sin(theta);
  y1=r*cos(theta);
  xs=FNX(x1);
  ys=FNY(y1);
  if(theta==0)moveto(xs,ys);
  else lineto(xs,ys);
 }
 }
 main()
 {  int gdriver=DETECT,gmode,i;
   initgraph(&gdriver,&gmode,"");
   setbkcolor(4);
   setcolor(2);
   MAXY=getmaxy();
   draw(280,100);
   draw(370,100);
   floodfill(310,300,2);
   setlinestyle(0,0,3);
   for(i=0;i<=1;i++)
   for(theta=0;theta<=30;theta+=0.01)
   line(180+i,60,180+i+sin(theta)*6,495);
   for(i=0;i<9;i++)
  {  setlinestyle(0,0,3);
    arc(160-5*i,100+50*i,0,150,20+5*i);
   }
   for(i=0;i<=4;i++)
   {  setlinestyle(0,0,3);
    arc(190+5*i,100+45*i,360,125,20+5*i);
   }
   for(i=5;i<=9;i++)
   { setlinestyle(0,0,3);
    arc(180+5*i,100+45*i,360,125,20+5*i);
   }
   for(theta=0;theta<=30;theta+=0.01)
   line(510+i,60,510+i+sin(theta)*6,495);
   for(i=0;i<9;i++)
  {  setlinestyle(0,0,3);
    arc(500-5*i,100+50*i,0,150,20+5*i);
   }
   for(i=0;i<=2;i++)
   {  setlinestyle(0,0,3);
    arc(530+5*i,100+45*i,360,125,20+5*i);
   }
   for(i=3;i<=5;i++)
   { setlinestyle(0,0,3);
    arc(523+5*i,100+45*i,360,125,20+5*i);
   }
   for(i=6;i<=9;i++)
   { setlinestyle(0,0,3);
    arc(512+5*i,100+45*i,360,125,20+5*i);
   }
      getch();
   closegraph();
 }

Tags:最爱

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