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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormCreate(Sender: TObject);
procedure MoveChar(Sender: TObject; var Done: Boolean);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private-Deklarationen }
MoveToX: Integer;
MoveToY: Integer;
PositionX: Integer;
PositionY: Integer;
public
{ Public-Deklarationen }
Background: TBitmap;
Character: TBitmap;
BildBuffer: TBitmap;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
MoveToY := Y;
MoveToX := X;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Background := TBitmap.Create;
Background.LoadFromFile('monkey.bmp');
Character := TBitmap.Create;
Character.LoadFromFile('guy.bmp');
BildBuffer := TBitmap.Create;
PositionX := 200;
PositionY := 200;
Application.OnIdle := MoveChar;
end;
procedure TForm1.MoveChar(Sender: TObject; var Done: Boolean);
var TopLeft, BottomRight: TPoint;
begin
if (MoveToX = PositionX) and (MoveToY = PositionY) then
Done := true
else
begin
Done := false;
if (MoveToX > PositionX) then
PositionX := PositionX + 3;
if (MoveToX < PositionX) then
PositionX := PositionX - 3;
if (MoveToY > PositionY) then
PositionY := PositionY + 3;
if (MoveToY < PositionY) then
PositionY := PositionY - 3;
sleep(20);
BildBuffer.FreeImage;
BildBuffer := Background;
TopLeft := Point(round(PositionX-Character.Width/2),PositionY-Character.Height);
BottomRight := Point(round(PositionX+Character.Width/2),PositionY);
BildBuffer.Canvas.BrushCopy(
Rect(TopLeft,BottomRight),
Character,
Rect(0,0,Character.Width,Character.Height),
clWhite);
Form1.Canvas.BrushCopy(Rect(0, 0, 640, 400), BildBuffer, Rect(0,0,640,400), clWhite);
end;
end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
//BildBuffer.Free;
Background.Free;
Character.Free;
end;
end. |
