package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Graphics; import flash.display.PixelSnapping; import flash.display.Shape; import flash.events.Event; import org.papervision3d.core.geom.Particles; import org.papervision3d.core.geom.renderables.Particle; import org.papervision3d.materials.special.BitmapParticleMaterial; import org.papervision3d.view.BasicView; /** * Papervsion Particles step 1 * @author Mario Gonzalez */ [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="60")] public class ParticleOrbit extends BasicView { private var _particles :Particles = new Particles(); private var _particle :Particle; public function ParticleOrbit() { var shape:Shape = new Shape(); var g:Graphics = shape.graphics; g.beginFill(0xff, 0.5); g.drawCircle(16, 16, 16); g.beginFill(0xffffff); g.drawCircle(16, 16, 8); g.endFill(); var data:BitmapData = new BitmapData(shape.width, shape.height, true, 0xFFFFFF); data.draw(shape); var bmp:Bitmap = new Bitmap(data, PixelSnapping.ALWAYS, false); var material:BitmapParticleMaterial = new BitmapParticleMaterial(data, 1); //Createa a few particles _particle = new Particle(material); _particles.addParticle(_particle); for(var i:int = 0; i < 40; i++) { var pathParticle:Particle = new Particle(material, 1); var theta:Number = (i / 40) * Math.PI * 2 pathParticle.x = Math.cos(theta) * 465; pathParticle.y = Math.sin(theta) * 465; _particles.addParticle(pathParticle); } scene.addChild(_particles); startRendering(); } override protected function onRenderTick(e:Event = null):void { _particles.rotationX += 3 super.onRenderTick(e); } } }