Disk

by Karl94 15 Nov 2009

Embed

/**
 * Copyright Karl94 ( http://wonderfl.net/user/Karl94 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/2K1q
 */

package{
	import flash.display.Sprite;
	import flash.display.Shape;
	import flash.display.GraphicsPath;
	import flash.display.IGraphicsData;
	import flash.display.GraphicsSolidFill;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.events.SampleDataEvent;
	import flash.media.Sound;
	import flash.net.URLRequest;
	import flash.utils.ByteArray;
	
	public class Disk extends Sprite{
	
		private var mySound:Sound = new Sound();
		private var sound:Sound = new Sound();
		private var speed:Number = 1;
		
		private var last:Number = 0;
		
		private var disk:Shape = new Shape();
		
		private const SAMPLE_SIZE:uint = 2048;
	
		public function Disk(){
			disk.graphics.drawGraphicsData(Vector.<IGraphicsData>([
				new GraphicsSolidFill(0x000000),
				new GraphicsPath(Vector.<int>([1, 3, 3, 3, 2, 3, 3, 3,
					1, 3, 3, 3, 2, 3, 3, 3	
				]), Vector.<Number>([
					Math.sin(Math.PI/4)*50, Math.sin(Math.PI/4)*50,
					Math.tan(Math.PI/8)*50, 50, 0, 50,
					-Math.tan(Math.PI/8)*50, 50, -Math.sin(Math.PI/4)*50, Math.sin(Math.PI/4)*50,
					-50, Math.tan(Math.PI/8)*50, -50, 0,
					-10, 0,
					-10, Math.tan(Math.PI/8)*10, -Math.sin(Math.PI/4)*10, Math.sin(Math.PI/4)*10,
					-Math.tan(Math.PI/8)*10, 10, 0, 10,
					Math.tan(Math.PI/8)*10, 10, Math.sin(Math.PI/4)*10, Math.sin(Math.PI/4)*10,
					
					-Math.sin(Math.PI/4)*50, -Math.sin(Math.PI/4)*50,
					-Math.tan(Math.PI/8)*50, -50, 0, -50,
					Math.tan(Math.PI/8)*50, -50, Math.sin(Math.PI/4)*50, -Math.sin(Math.PI/4)*50,
					50, -Math.tan(Math.PI/8)*50, 50, 0,
					10, 0,
					10, -Math.tan(Math.PI/8)*10, Math.sin(Math.PI/4)*10, -Math.sin(Math.PI/4)*10,
					Math.tan(Math.PI/8)*10, -10, 0, -10,
					-Math.tan(Math.PI/8)*10, -10, -Math.sin(Math.PI/4)*10, -Math.sin(Math.PI/4)*10
				])),
				new GraphicsSolidFill(0x333333),
				new GraphicsPath(Vector.<int>([1, 3, 2, 3,
					1, 3, 2, 3
				]), Vector.<Number>([50, 0,
					50, Math.tan(Math.PI/8)*50, Math.sin(Math.PI/4)*50, Math.sin(Math.PI/4)*50,
					Math.sin(Math.PI/4)*10, Math.sin(Math.PI/4)*10,
					10, Math.tan(Math.PI/8)*10, 10, 0,

					-50, 0,
					-50, -Math.tan(Math.PI/8)*50, -Math.sin(Math.PI/4)*50, -Math.sin(Math.PI/4)*50,
					-Math.sin(Math.PI/4)*10, -Math.sin(Math.PI/4)*10,
					-10, -Math.tan(Math.PI/8)*10, -10, 0
				]))
			]));
			
			disk.x = stage.stageWidth/2;
			disk.y = stage.stageHeight/2;
			
			addChild(disk);
			
			sound.addEventListener(Event.COMPLETE, onComplete);
			sound.load(new URLRequest("http://dt6qlq.bay.livefilestore.com/y1pDzHR8d_upXrW2HqvjGCcf66O49mbLaez_LKh7NNPpHpX0O_p_ktybmooHRO_qKx-ZOfVVd6SwIE3ajeve4mKA9uV9PPRJ_5f/Canone.mp3?download"));
			stage.addEventListener(MouseEvent.MOUSE_WHEEL, onMouseWheel);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onComplete(event:Event):void{ 
			mySound.addEventListener(SampleDataEvent.SAMPLE_DATA, onSampleData);
			mySound.play();
		}
		
		private function onMouseWheel(e:MouseEvent):void{
      this.speed += Math.abs(0.005*(e.delta/3));
      trace(this.speed+" - "+e.delta);
		}
		
		private function onEnterFrame(e:Event):void{
			disk.rotation += this.speed*5;
			//this.opaqueBackground = ;
		}
		
		private function onSampleData(e:SampleDataEvent):void{
			this.speed -= 44100/SAMPLE_SIZE/2000;
      if(this.speed < 0.0000001){
				this.speed = 0;
			}
			var bytes:ByteArray = new ByteArray();
			sound.extract(bytes, this.speed!=0 ? Math.ceil(SAMPLE_SIZE*this.speed) : 1, this.last);
			//trace("Extracted length: "+bytes.length+" ("+bytes.length/8+" samples).");
			//trace("Speed: "+this.speed+" ("+(this.speed!=0 ? Math.ceil(SAMPLE_SIZE*this.speed) : 1)+" samples loaded).");
			this.last += Math.round(SAMPLE_SIZE*this.speed);
			bytes.position = 0;
			for(var i:uint = 0; i < SAMPLE_SIZE; i++){
				bytes.position = 8*Math.floor(bytes.length/8*i/SAMPLE_SIZE);
				e.data.writeFloat(bytes.readFloat());
				e.data.writeFloat(bytes.readFloat());
			}
		}
	}
}