package
{
	import flash.display.*;
	import flash.events.*;
	import flash.media.*;
	import gs.TweenLite;

	public class DynamicSound extends Sprite
	{
		private var $sound:Sound;
		private var noise:Number = 0;
		private var $audibleMax:Number = 0.2;
		private var $audibleMin:Number = 0;
		private var sampleDataArr:Array;
		private var position:Number=0;
		private var channel:SoundChannel;
		public var $pitch:Number;
		private var $volume:Number;
		private var $lastIndexedPitch:Number=0;
		
		public function DynamicSound():void
		{
			$volume = 0; 
			$pitch = 0;
			$sound = new Sound();
			$sound.addEventListener("sampleData", sampleEventHandler);
			channel = $sound.play();
		}
		
		private function sampleEventHandler(e:SampleDataEvent):void
		{
		
			
			 if (channel) {
				 var transform:SoundTransform = new SoundTransform($volume, 0);
				 channel.soundTransform = transform;
			 }
			 
			 
			
			for(var i:uint=0; i<2048; i++)
			{
				noise += $pitch;
				e.data.writeFloat(Math.sin(noise));
				e.data.writeFloat(Math.sin(noise));
				
				e.data.writeFloat(Math.sin(1));
				e.data.writeFloat(Math.sin(1));
				
			}
			//trace(Math.sin(noise))
		}
		
		public function set pitch(value:Number):void 
		{
			TweenLite.to(this, .5, {$pitch:value * $audibleMax});
			//$pitch = value * $audibleMax;
			//trace('pitch = '+$pitch);
		}
		
		public function get pitch():Number {
			return $pitch;
		}
		
		public function set lastIndexedPitch(value:Number):void 
		{
			$lastIndexedPitch = value;
			//trace('pitch = '+$pitch);
		}
		
		public function get lastIndexedPitch():Number {
			return $lastIndexedPitch;
		}
		
		
		public function set volume(value:Number):void 
		{
			$volume = value;
		}
		
		public function get volume():Number {
			return $volume;
		}
		
	}
}