uses CRT, GraphABC;
 
procedure Draw(x, y, l, u : Real; t : Integer);
 
procedure Draw2(Var x, y: Real; l, u : Real; t : Integer);
begin
    Draw(x, y, l, u, t);
    x := x + l*cos(u);
    y := y - l*sin(u);
end;
begin
    if t > 0 then
    begin
        l := l*0.5;
        Draw2(x, y, l, u, t-1);
        Draw2(x, y, l*0.8, u+pi/2, t-1);
        Draw2(x, y, l*0.8, u-pi/2, t-1);
        Draw2(x, y, l, u, t-1)
    end
    else
        Line(Round(x), Round(y), Round(x+cos(u)*l), Round(y-sin(u)*l))
end;
 
begin
  SetWindowCaption('Фракталы: Ледяной фрактал 1');
  SetWindowSize(420,420);
    Draw(410, 10, 400, -pi, 5);
    Draw(10, 410, 400, 0, 5);
    Draw(10, 10, 400, -pi/2, 5);
    Draw(410, 410, 400, pi/2, 5);
    ReadKey
end.