coverflow

src/nu/xero/gui/audioVisualizer.as

package nu.xero.gui {
	import org.papervision3d.materials.shadematerials.*;	
	import org.papervision3d.core.geom.renderables.*;	
	import org.papervision3d.objects.primitives.*;	
	import org.papervision3d.core.render.data.*;	
	import org.papervision3d.core.proto.*;
	import org.papervision3d.view.layer.*;
	import org.papervision3d.cameras.*;	
	import org.papervision3d.objects.*;
	import org.papervision3d.lights.*;	
	import org.papervision3d.view.*;	
	import caurina.transitions.*;
	import flash.display.*;	
	import flash.filters.*;
	import flash.events.*;	
	import flash.media.*;	
	import flash.utils.*;	
	
	public class audioVisualizer extends BasicView {
		public  var stats		: RenderStatistics;
		private var spikey		: Sphere;
		private var thelight	: PointLight3D;
		private var bytes		: ByteArray;

		public function audioVisualizer() {
			super(0, 0, true, false, CameraType.TARGET);

			thelight = new PointLight3D;
			thelight.moveDown(50);
			spikey = new Sphere(new FlatShadeMaterial(thelight, 0xfff000, 0x00ff00), 100, 16, 16);
			spikey.y+=200;
			
			var vpl:ViewportLayer = viewport.getChildLayer(spikey);
			vpl.filters = [new GlowFilter(0x006600, 1, 90, 90, 1, 1, false, false)];

			for each(var i:Vertex3D in spikey.geometry.vertices){
				i.extra = {baseX:i.x, baseY:i.y, baseZ:i.z, b001: 0};
			}
			scene.addChild(spikey);			

			camera.target = spikey;
			camera.zoom = 1;
			camera.focus = 1000;

			bytes = new ByteArray();

			stats = renderer.renderScene(scene, camera, viewport);

			startRendering();
		}

		override protected function onRenderTick(e:Event=null):void {
			//mouse influence
			spikey.rotationY -= (mouseX-(stage.width*.5))/100;
			spikey.rotationX -= (mouseY-(stage.height*.5))/100;			

			//audio visualization						
			SoundMixer.computeSpectrum(bytes, true, 1);
            var byteData: Number = 0;
            var scale: Number = 5.5;
            var bias:  Number = 1;
            var num:Number=1;
			for each(var i:Vertex3D in spikey.geometry.vertices) {
                if(num%6==0){
                    if(i.extra.b00l == 0){
                    bias += 0.1;
                    byteData = Math.abs(bytes.readFloat() * (scale+bias));
						Tweener.addTween( i, {
                        x            :i.extra.baseX*byteData,
                        y            :i.extra.baseY*byteData,
                        z            :i.extra.baseZ*byteData,
                        time        :0.2,
                        delay        :0,
                        transition    :"easeNone"
                        } );
                        i.extra.b00l=1;
                    }else{
                    Tweener.addTween( i, {
                        x            :i.extra.baseX,
                        y            :i.extra.baseY,
                        z            :i.extra.baseZ,
                        time        :0.2,
                        delay        :0,
                        transition    :"easeNone"
                        } );
                        i.extra.b00l=0;
                    }
                }
            num++;
            }
            //render scene
			super.onRenderTick(e);
		}
	}
}