package {
	import flash.display.MovieClip;
	import flash.display.BitmapData;
	import flash.display.Bitmap;
	import flash.media.Sound;
	import flash.media.SoundChannel;
	import flash.media.SoundMixer;
	import flash.utils.ByteArray;
	import flash.net.URLRequest;
	import flash.events.Event;
	import flash.geom.Rectangle;
	import flash.geom.Point;
	import flash.filters.BlurFilter;
	import flash.filters.DisplacementMapFilter;
	
	class Pond {
		private var s:Sound = new Sound();
		private var sc:SoundChannel = new SoundChannel();
		private var ba:ByteArray = new ByteArray();
		private var gfx:BitmapData;
		private var pic:Bitmap;	
		private var ___width:uint;
		private var ___height:uint;		
		private var z:Number = 0;

		function Pond(hostMC:MovieClip, mp3:String, __width:Number, __height:Number) {
			___width = __width;
			___height = __height;
			
			gfx =  new BitmapData(__width, __height, false, 0x000000);
			pic = new Bitmap(gfx)
			hostMC.addChild(pic);
			
			s.load(new URLRequest(mp3));
			sc = s.play();
			
			hostMC.addEventListener(Event.ENTER_FRAME, processSpectrum);
		}
		
		private function processSpectrum(ev:Event) {
			SoundMixer.computeSpectrum(ba,true,0);
			var num:Number = ba.readFloat();
			l = Math.pow(num,3)*___width/3;
			for (var i:int = 0; i < 1440; i++) {
				gfx.setPixel(Math.cos(i/180*Math.PI)*l+___width/2, Math.sin(i/180*Math.PI)*l/3+___height/2-50, i*0xffffff/2);
			}
			var blur:BlurFilter = new BlurFilter(5,1);
			var displace = new DisplacementMapFilter (gfx, new Point(0, 0), 2, 1, Math.sin(z)*3, Math.cos(z)+3);
			gfx.applyFilter(gfx, new Rectangle(0, 0, 454, 300), new Point(0, 0), displace);
			gfx.applyFilter(gfx, new Rectangle(0, 0, 454, 300), new Point(0, 0), blur);
			z += 0.02;
		}
	}
}