flash on 2010-2-28

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favorite:11
lines:59
license : MIT License
modified : 2010-03-01 21:46:37

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package
{    
    import flash.display.*;
    import flash.events.*;
    import flash.geom.*;
    import flash.filters.BlurFilter;

[SWF(frameRate="60", backgroundColor="#ffffff")]

public class line_01 extends Sprite
    {
        private var container:Sprite;
        private var dot:Sprite;
        private var bmpd:BitmapData;
		private var angle:int;
        private var rd:Number;
        private var radius:int = 50;
        public function line_01()
        {
            init();            
           addEventListener(Event.ENTER_FRAME, drawline); 
		}

private function init():void
        {
            bmpd = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0xffffff );
            container = new Sprite();
            dot = new Sprite();
            addChild(new Bitmap(bmpd));
            container.addChild(dot);
            with(dot.graphics)
            {

for (var i= 0; i<170; i++){
                beginFill(Math.random()*0x00FFFFFF);
                drawCircle(i,-50,3);
                endFill();
                }
             }

dot.filters = [blur];
        }

private  var blur:BlurFilter = new BlurFilter(8,8);
		private var colorTransform:ColorTransform = new ColorTransform( 1,1,1, 1, -1, -1,-1);
		
        private function drawline(e:Event):void
        {

bmpd.colorTransform( bmpd.rect, colorTransform );
            bmpd.draw(container);
            rd=Math.PI/160*angle;
            radius = Math.sin(rd)*4;
            dot.x+=radius*Math.cos(rd)+3;
            dot.y += radius * Math.sin(rd) +4;
            dot.rotation = angle;

angle+=3;
             
            var left:int = -200, top:int = -200;
            var right:int = stage.stageWidth+230, 
            bottom:int = stage.stageHeight+230;
            if( dot.x < left ) dot.x = right;
            else if( dot.x > right ) dot.x = left;
            if( dot.y < top ) dot.y = bottom;
            if( dot.y > bottom ) dot.y = top;

}  
    }
}

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