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unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls;
 
type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Timer1: TTimer;
    procedure Timer1Timer(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    procedure Sektor(x, y:Integer; k: Integer; Col: TColor; Vivod: TCanvas);
  public
    { Public-Deklarationen }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
begin
  Timer1.Enabled := True;
  Repaint;
end;
 
procedure TForm1.Button2Click(Sender: TObject);
begin
  Timer1.Enabled := False;
end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
  Timer1.Enabled := False;
  Button1.Caption := 'ГО!!!';
  Button2.Caption := 'Break';
end;
 
procedure TForm1.Sektor(x, y:Integer; k: Integer; Col: TColor; Vivod: TCanvas);
begin
  Vivod.Pen.Color := Col;
  Vivod.Brush.Color := Col;
  Vivod.Pie(x,y,x+k,y+k, x, y div 2, x div 2, y);
end;
 
procedure TForm1.Timer1Timer(Sender: TObject);
var x,y,k: Integer;
    Col: TColor;
begin
  Randomize;
  x := Random(ClientWidth);
  y := Random(ClientHeight);
  k := Random(200);
  Col := Random(RGB(255,255,255));
  Sektor(x,y,k,col, Canvas);
end;
 
end.