forked from: soundtest4

...
@author gaina

by ghrugru 04 Jun 2011

• Forked from gaina's soundtest4
• Diff: 1
• Related works: 3
Embed

/**
 * Copyright ghrugru ( http://wonderfl.net/user/ghrugru )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/Agca
 */

// forked from gaina's soundtest4
package  
{
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.geom.ColorTransform;
    import flash.media.Sound;
    import flash.media.SoundChannel;
    import flash.media.SoundLoaderContext;
    import flash.media.SoundMixer;
    import flash.net.URLRequest;
    import flash.utils.ByteArray;
    /**
     * ...
     * @author gaina
     */
    [SWF(width=465,height=465)]
    public class Rectangle extends Sprite
    {
        
        private var rect:Sprite;
        private var spArray:Array = [];
        private var containerArray:Array = [];
        private var snd:Sound;
        private var wSize:Number;
        private var vSize:Number;
        
        public function Rectangle() 
        {
            
            wSize = stage.stageWidth / 32;
            vSize = stage.stageHeight / 16;
            containerArray = rectDraw();
            
            playSound('http://www.takasumi-nagai.com/soundfiles/01.mp3');
            
            addEventListener(Event.ENTER_FRAME, onEnter);
        }
        
        private function playSound(url:String):void
        {
            snd = new Sound();
            var context:SoundLoaderContext = new SoundLoaderContext(0, true);
            var sndReq:URLRequest = new URLRequest(url);
            snd.load(sndReq,context);
            var sndCh:SoundChannel = new SoundChannel();
            sndCh = snd.play(0, 5);
            
        }
        
        private function onEnter(event:Event):void
        {
            var sp:Sprite = new Sprite();
            var byte:ByteArray = new ByteArray();
            SoundMixer.computeSpectrum(byte, false, 0);
            var i:int;
            for (i = 0; i < 512; i++) {
                sp = containerArray[i];
                var rl:Number = byte.readFloat();
                sp.z = rl * 100;
                sp.alpha = 0.2;
                //sp.y += 2;
                //sp.x += 1;
                
                //if (sp.y > stage.stageHeight-vSize) {
                //    sp.y = 0 - vSize;
                //}
                //if (sp.x > stage.stageWidth-wSize) {
                //    sp.x = 0 - wSize;
                //}
            }
            
        }
        
        private function rectDraw():Array
        {

            var i:int, j:int;
            
            for (i = 0; i < 16; i++) {
                for (j = 0; j < 32; j++) {
                    rect = new Sprite();
                    rect.graphics.clear();
                    rect.graphics.lineStyle(0);
                    rect.graphics.drawRect(0, 0, wSize, vSize);
                    rect.x = j * wSize;
                    rect.y = i * vSize;
                    rect.z = 0;
                    addChild(rect);
                    spArray.push(rect);
                }
            }
            
            return spArray;
        }
        
    }

}