flash on 2011-5-3

To Do:load music

by Susisu 03 May 2011

Embed

package {
    import flash.filters.BlurFilter;
    import flash.geom.Point;
    import flash.events.Event;
    import flash.display.Shape;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.media.SoundMixer;
    import flash.media.Sound;
    import flash.utils.ByteArray;
    [SWF(width="512",height="512",frameRate="60",backgroundColor="0x000000")]
    public class FlashTest extends Sprite {
        private var bmd:BitmapData;
        private var bmp:Bitmap;
        private var bf:BlurFilter;
        private var ds:Shape;
        private var arr:ByteArray;
        public function FlashTest() {
            bmd=new BitmapData(512,512,true,0xff000000);
            bmp=new Bitmap(bmd);
            addChild(bmp);
            ds=new Shape();
            bf=new BlurFilter(4,4,2);
            arr=new ByteArray();
            addEventListener(Event.ENTER_FRAME,onEnterFrame);
        }
        private function onEnterFrame(e:Event):void{
            SoundMixer.computeSpectrum(arr,false,0);
            ds.graphics.clear();
            ds.graphics.lineStyle(1,0xe0c0f0,1);
            ds.graphics.moveTo(0,256);
            for(var i:uint=0;i<512;i++){
                ds.graphics.lineTo(i,arr.readFloat()*128+256);
            }
            bmd.draw(ds);
            bmd.applyFilter(bmd,bmd.rect,new Point(),bf);
        }
    }
}