package com.hydrotik {
 
	import flash.events.Event;
	import flash.display.*;
	import flash.net.URLRequest;
	import flash.media.Sound;
	import flash.media.SoundChannel;
	import flash.media.SoundMixer;
	import flash.utils.ByteArray;
	import caurina.transitions.Tweener;
	import org.papervision3d.core.proto.*;
	import org.papervision3d.core.geom.*;
	import org.papervision3d.scenes.*;
	import org.papervision3d.cameras.*;
	import org.papervision3d.objects.*;
	import org.papervision3d.materials.*;
 
	public class Hydro3D extends Sprite {
 
		private static const LOOP:String = "../flashassets/mp3/jens_buchert.mp3";
 
		private const STAGE_WIDTH		:Number = 600;
		private const STAGE_HEIGHT		:Number = 300;
		private const ANIMATION_TIME	:Number = 1;
		private const ANIMATION_TYPE	:String = "easeoutquad";
		private const MULT				:int = 10;
		private var controlPoints		:Array;
		private var itemArray			:Array;
		private var trailArray			:Array;
		private var currTrailArray		:Array;
		private var lineArray			:Array;
		private var count				:int = 0;
		private var container 			:Sprite;
		private var scene     			:MovieScene3D;
		private var camera    			:Camera3D;
		private var sc					:SoundChannel;
		private var s					:Sound;
		private var lines	  			:Line3D;
 
		public function Hydro3D():void {
 
			controlPoints = [];
			itemArray = [];
			trailArray = [];
			currTrailArray = [];
			lineArray = [];
 
			s = new Sound();
			s.load(new URLRequest(LOOP));
			sc = s.play(0, 1000);
 
			//container
			container = new Sprite();
			container.cacheAsBitmap = true;
			addChild( container );
			container.x = STAGE_WIDTH/2;
			container.y = STAGE_HEIGHT/2;
 
			//scene
			scene = new MovieScene3D( container );
 
			//camera
			camera = new Camera3D();
			camera.z = -200;
 
			addEventListener( Event.ENTER_FRAME, onEnterFrame );
		}
 
 
		private function onEnterFrame( event: Event ):void {
			camera.x +=((container.mouseX*10) - camera.x) * 0.005;
			camera.y +=((container.mouseY*10) - camera.y) * 0.005;
 
			var bytes:ByteArray = new ByteArray();
			SoundMixer.computeSpectrum(bytes, false, 0);
 
			var amp:Number = ((sc.leftPeak + sc.rightPeak)/2);
 
			lineArray[count] = new Line3D([new Vertex3D(-128, 0, -(count * MULT))], rgbToHex(count/4, count/6, count), 1, 1);
			scene.addChild(lineArray[count]);
 
			for(var i:int = 0; i < 256; i++){
				var v:Vertex3D = new Vertex3D((i*2) - 128, bytes.readFloat() * 300, -(count * MULT));
				lineArray[count].addVertex(v);
			}
 
			Tweener.addTween(lineArray[count], {
						alpha:0,
						time:ANIMATION_TIME,
						transition:ANIMATION_TYPE,
						onComplete:removeLine,
						onCompleteParams:[lineArray[count]]
					});
 
			scene.renderCamera( camera );
			count = (count < 50) ? count + 1 : 0;
		};
 
		private function removeLine(l:Line3D = null):void{
			scene.removeChild(l);
		}
 
		public function rgbToHex(uR:uint, uG:uint, uB:uint):int{
            var uColor:uint;
            uColor =  (uR & 255) << 16;
            uColor += (uG & 255) << 8;
            uColor += (uB & 255);
            return uColor;
        }
 
	}
}