| The code is as follows: |
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Package {
Import flash. display. Sprite;
Import flash.net. URLRequest;
Import flash. display. Loader;
Import flash. display. Bitmap;
Import flash. display. BitmapData;
Import flash. events. Event;
Import flash. geom. Point;
Import flash. geom. Rectangle;
Public class Main extends Sprite {
Private var loader: Loader;
Public function Main (): void {
Loader = new Loader;
Loader. contentLoaderInfo. addEventListener (Event. COMPLETE, onLoadCompleteHandler );
Loader. load (new URLRequest ("mm.gif "));
}
Private function onLoadCompleteHandler (_ evt: Event): void {
Var _ bitmap: Bitmap=_evt.tar get. content as Bitmap;
Var _ BMI: BitmapData = _ bitmap. bitmapData;
For (var _ p: uint = 0; _ p <5; _ p ++ ){
Var p_bmi: BitmapData = new BitmapData (_ BMI. width, _ BMI. height *. 2 );
P_bmd.copyPixels (_ bone density, new Rectangle (0, _ p * _ bone density. height *. 2, _ BMI. width, _ BMI. height *. 2), new Point ());
Var _ sprite: Sprite = new Sprite;
_ Sprite. addChild (new Bitmap (p_bmi ));
_ Sprite. y = _ p * _ BMI. height *. 2;
_ Sprite. name = _ p % 2? "-": "+ ";
AddChild (_ sprite). addEventListener (Event. ENTER_FRAME, onEnterFrameHandler );
}
}
Private function onEnterFrameHandler (_ evt: Event): void {
Var _ sprite: Sprite pai_evt.tar get as Sprite;
_ Sprite. name = "-"? _ Sprite. x-= 3: _ sprite. x + = 3;
(_ Sprite. x <-_ sprite. width | _ sprite. x> stage. stageWidth) & _ sprite. removeEventListener (Event. ENTER_FRAME, onEnterFrameHandler );
}
}
} |
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