Forked from:: ll_koba_ll's forked from: forked from: Blur Circle

forked from: forked from: forked from: Blur Circle

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license : All rights reserved
modified : 2009-04-15 10:09:06

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// forked from ll_koba_ll's forked from: forked from: Blur Circle
// forked from minon's forked from: Blur Circle
// forked from ll_koba_ll's Blur Circle
// write as3 code here..

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

// なぜかクリックしないと描画されない＞＜ 
    // -> 別のマシンだと動いた

[SWF(frameRate="60", backgroundColor="#000000")]

/** 
      *  
      * @author ll_koba_ll (RAWHIDE.)
      */  
    public class Rotationlight extends Sprite
    {
        private var blur:BlurFilter;
        private var container:Sprite;
        private var source:Sprite;
        private var bmpd:BitmapData;

public function Rotationlight()
        {

stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;
            stage.quality = StageQuality.LOW;            
            init();            
            addEventListener(Event.ENTER_FRAME, update);
        }

private function init():void
        {
            trace(stage.stageWidth)
            blur = new BlurFilter(1,5);            
            bmpd = new BitmapData(500, 500, true, 0x00FFFFFF);
            container = new Sprite();
            source = new Sprite();

addChild(new Bitmap(bmpd));
            container.addChild(source);

drawSource();
            
        }

private function drawSource( xx:Number = 4, yy:Number = 4 ):void {
            if ( xx > 100 ) xx = 100;
            if ( yy > 100 ) yy = 100;
            with(source.graphics)
            {
                clear();
                beginFill( Math.random() * 0xFFFFFF,  Math.random()*1);
                drawCircle(0,0,(xx>yy)?xx:yy*2.5);
                endFill();
            }
        }

private function update(e:Event = null):void
        {
            bmpd.draw(container, null, null, BlendMode.DIFFERENCE );
            bmpd.applyFilter(bmpd, bmpd.rect, new Point(), blur);
            drawSource( Math.abs(source.x - mouseX), Math.abs(source.y - mouseY) );
            source.x = mouseX;
            source.y = mouseY;
        }
         
    }
}

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