流れ星（初期）

unit Unit100;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;

type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private 宣言 }
public
{ Public 宣言 }
end;

var
Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
procedure hoshi(x,y:integer);
var i:integer;
begin
Canvas.MoveTo(x-round(80*sin(0)),y-round(80*cos(0)));
for i:=1 to 3 do begin
Canvas.LineTo(x-round(80*sin(2*pi*i/3)),y-round(80*cos(2*pi*i/3)));
end;
Canvas.MoveTo(x-round(80*sin(pi)),y-round(80*cos(pi)));
for i:=1 to 3 do begin
Canvas.LineTo(x-round(80*sin(pi+2*pi*i/3)),y-round(80*cos(pi+2*pi*i/3)));
end
end;

var i:integer;
begin
for i:=1 to 300 do begin
Canvas.Pen.Color:=clRed;
hoshi(i+80,100+i);
sleep(20);
Canvas.Pen.Color:=clBlue;
hoshi(i+80,100+i);
end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
close
end;

end.

もどる