{ HVEZDICA.PAS                                                      }
{ Program zobrazi hviezdicu s definovanym poctom lucov.             }
{                                                                   }
{ Datum:17.06.2008                             http://www.trsek.com }
 
program hvezdica;
uses graph;
var gd,gm,i:integer;
    pocet:integer;
 
procedure nacitanie;
  begin
  writeln('Zadajte pocet lucov (najmenej 4)');
  readln(pocet);
  end;
 
  procedure grafika;
  begin
  gd:=detect;
  initgraph(gd,gm,'');
  end;
 
 
procedure hvz;
begin
randomize;
pocet:=pocet div 4;
  for i:=0 to pocet do
  begin
  setcolor(random(20));
  line((getmaxx div pocet)*i,0,getmaxx div 2,getmaxy div 2);
  end;
  for i:=0 to pocet do
  begin
  setcolor(random(20));
  line((getmaxx div pocet)*i,getmaxy,getmaxx div 2,getmaxy div 2);
  end;
  for i:=0 to pocet do
  begin
  setcolor(random(20));
  line(0,(getmaxy div pocet)*i,getmaxx div 2,getmaxy div 2);
  end;
  for i:=0 to pocet do
  begin
  setcolor(random(20));
  line(getmaxx,(getmaxy div pocet)*i,getmaxx div 2,getmaxy div 2);
  end;
  end;
 
begin
nacitanie;
grafika;
 
cleardevice;
hvz;
 
readln;
 
closegraph;
readln;
end.