forked from: Spiral doodad 2

by webpqw 27 Jun 2011

• Forked from keeganbrown's Spiral doodad 2
• Diff: 1
• Related works: 9
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/**
 * Copyright webpqw ( http://wonderfl.net/user/webpqw )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/pAbd
 */

// forked from keeganbrown's Spiral doodad 2
// forked from keeganbrown's forked from: closure graphics
// forked from clockmaker's closure graphics
// forked from Altschuler's flash on 2010-1-29
package {
    import flash.display.Sprite;
    import frocessing.color.ColorHSV;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.filters.BlurFilter;
    import flash.geom.Point;    
    import flash.display.BlendMode; 
    import flash.display.*;  
    import flash.events.TimerEvent; 
    
    [SWF( backgroundColor=0, frameRate=120 )]
    
    import flash.utils.Timer;
    public class FlashTest extends Sprite {
        public var blur1:BlurFilter = new BlurFilter(7, 7, 1);
        public var traceMap:Bitmap;
        public var mapData:BitmapData;
        private var capPoint:Point = new Point(0, 0);
        public var capObj:Sprite = new Sprite();
        public var overlay:Sprite = new Sprite();
                
        public function FlashTest() {
            // one line
               var sw:Number = this.stage.stageWidth;
            var sh:Number = this.stage.stageHeight;

            var bg:Sprite = new Sprite();
            bg.graphics.beginFill(0x00000, 1);
            bg.graphics.drawRect(0,0,sw,sh);
            this.addChild(bg);
            
            mapData = new BitmapData(sw, sh, true, 0x000000);
            traceMap = new Bitmap(mapData);
            var rect = traceMap.getRect(this);
            
            overlay.graphics.beginFill(0x000000, 0.05);
            overlay.graphics.drawRect(0,0,sw,sh);
            
            this.addChild(traceMap);
            this.addChild(capObj);
            capObj.addChild(overlay);
            
            var timSpir:Timer = new Timer(1,0);
            timSpir.addEventListener(TimerEvent.TIMER,function(n){
                return function() {
                    var r=235, m=Math, h=new ColorHSV();
                    with(capObj.graphics) {
                        clear();
                        moveTo(r, r);
                        for(var i=0; i<r; i++){
                            h.h = i/r * 135 + n * -4000;
                            lineStyle(1, h.value32, 1 - i/r);
                            lineTo(
                                r + (i * m.cos(i + (i * n))),
                                r + (i * m.sin(i + (i * n))));
                        }
                    }
                    mapData.draw(capObj, null, null, BlendMode.NORMAL, null, false);
                    mapData.applyFilter(mapData, rect, capPoint, blur1 );
                    n+=.001; }}(0));
           timSpir.start();
        }
    }
}