#include "NXCDefs.h"
#include "mathlib.nxc"

void Radar(int winkel,xs,ys,L,L2)
  { int x,y;

    x = (SIN(winkel)*L)/100;  //  /100 for SIN and COS
    y = (COS(winkel)*L)/100;
    xs += x ;
    ys += y;
    x = (SIN(winkel)*L2)/100;
    y = (COS(winkel)*L2)/100;

    LineOut(xs,ys,xs+x,ys+y, false);
  }


task main()
{
 int L,L2,x,y,xs,ys;
 xs=50 ;
 ys=30 ;
 L=10 ;
 L2=20;
 do{
 
 /*
 for(int i=0; i<360;i+=1)
  {
    Radar(i,xs,ys,L,L2);
  //  Wait(100);
  }
  ClearScreen();
  */
 //  /*
 for(int i=90; i<270;i+=1)
  {
    Radar(i,xs,ys,L,L2);
   Wait(10);
  }
  ClearScreen();

  for(i=270; i>90;i--)
  {
   Radar(i,xs,ys,L,L2);
  }
  ClearScreen();
 //  */
  }while(true)
 }