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Dead Code Preservation :: Archived AS3 works from wonderfl.net

forked from: Worker+Sound / forked from: ActionScript Worker test

WORKER上でおとはなるのか?!テスト(バージョンチェックが腐ってたので直した版)
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by hyoshida 17 Dec 2016
/**
 * Copyright hyoshida ( http://wonderfl.net/user/hyoshida )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/CBq0
 */

// forked from watanabe's Worker+Sound / forked from: ActionScript Worker test
// forked from bkzen's forked from: ActionScript Worker test
//WORKER上でおとはなるのか?!テスト

package {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.events.Event;
    import flash.geom.Point;
    import flash.system.Capabilities;
    import flash.text.TextField;
    import flash.display.Sprite;
    import flash.system.MessageChannel;
    import flash.system.Worker;
    import flash.system.WorkerDomain;
    import flash.utils.ByteArray;
    
 import flash.display.Sprite;
   import flash.events.*;
   import flash.media.Sound;
   import flash.utils.ByteArray;
    import flash.display.Sprite;
    
    
    public class FlashTest extends Sprite {
        private var worker:Worker;
        private var messageChannel:MessageChannel;
        private var bmd:BitmapData;
        private var bmp:Bitmap;
        private var bytes: ByteArray;
        
      private static const SAMPLING:int = 8192/2;       // バッファ
      private static const FREQUENCY:int = 440;       // 周波数
      private static const SAMPLING_RATE:int = 44100; // サンプリングレート
      private static const PI:Number = Math.PI * 2;      // 1周期
      private static const VOLUME:Number = 0.1;       // ボリューム        

        
        public function FlashTest() {
            // write as3 code here..
            var version: Array = Capabilities.version.split(" ")[1].split(",");
            if (!Worker.isSupported || !(version[0] > 11 || (version[0] == 11 && version[1] >= 5)) )
            {
                var txt:TextField = new TextField();
                txt.autoSize = "left";
                txt.text = "Not support";
                addChild(txt);
                return;
            }
            bmd = new BitmapData(1024, 1024, true, 0);
            if (Worker.current.isPrimordial)
            {
                txt = new TextField();
                txt.autoSize = "left";
                bmp = new Bitmap(bmd, "auto", true);
                bytes = bmd.getPixels(bmd.rect);
                bytes.shareable = true;
                worker = WorkerDomain.current.createWorker(loaderInfo.bytes);
                messageChannel = worker.createMessageChannel(Worker.current);
                worker.setSharedProperty("_test_channel", messageChannel);
                worker.setSharedProperty("bytes", bytes);
                worker.start();
                txt.text = messageChannel.receive(true);
                addChild(bmp);
                addChild(txt);
                addEventListener(Event.ENTER_FRAME, mainLoop);
                

            }
            else 
            {
                messageChannel = Worker.current.getSharedProperty("_test_channel");
                bytes = Worker.current.getSharedProperty("bytes");
                messageChannel.send("hogemoja");
                
                //音を鳴らしちゃうよ
                  var sound:Sound = new Sound;
         sound.addEventListener(SampleDataEvent.SAMPLE_DATA, onSampleData);
         sound.play();
                  //addEventListener(Event.ENTER_FRAME, workersLoop);
            }
        }
        
      private function onSampleData(e:SampleDataEvent):void
      {
         var data:ByteArray = e.data;
         var pos:Number = e.position;
 
         var w:Number = (PI / (SAMPLING_RATE / FREQUENCY*(Math.random()*0.15) ));
         var phase:Number = (pos * w) % PI;
         for(var i:int = 0 ; i<SAMPLING ; i++)
         {
            var d:Number = VOLUME * Math.sin(phase);
            phase = (phase + w) % PI;  
 
            data.writeFloat(d);
            data.writeFloat(d);
         }
      }           
        
        
        private function mainLoop(e: Event): void 
        {
            bmd.lock();
            bytes.position = 0;
            bmd.setPixels(bmd.rect, bytes);
            bmd.unlock();
        }
        
        private function workersLoop(e:Event):void 
        {
            var offsets: Array = [], n: int = 12;
            for (var i:int = 0; i < n; i++) 
            {
                offsets[i] = new Point();
            }
            for (i = 0; i < 3; i++ )
            {
                bmd.perlinNoise(10, 10, n, Math.random() * 0xFFFFFF, true, true, 7, false, offsets);
            }
            bytes.position = 0;
            bmd.copyPixelsToByteArray(bmd.rect, bytes);
        }
    }
}