package {
  import flash.display.Sprite
  import flash.events.Event
  import flash.events.TimerEvent
  import flash.utils.Timer
  import org.papervision3d.materials.WireframeMaterial
  import org.papervision3d.view.BasicView

[SWF(width=640, height=480, frameRate=30, backgroundColor=0x000000)]

public class Roll extends Sprite  {
    public static const TICK:String = 'tick'

private var timer:Timer = new Timer(33)
    private var ticks:uint = 0
    private var world:BasicView

public function Roll() {
      var material:WireframeMaterial = new WireframeMaterial(0xffff00)

var roll:Roll = this;
      timer.addEventListener(TimerEvent.TIMER, function (event:Event):void {
        ticks++;
        dispatchEvent(new Event(TICK))
        if (ticks % 3 === 0) { new Ball(roll, world, material) }
        world.camera.z += 5
        if (world.camera.z >= 0) {
          world.camera.z = -1
          timer.stop()
        }
      })
      timer.start()

world = new BasicView(640, 480, true, true)
      addChild(world)
      world.startRendering()
    }
  }
}

import flash.events.Event
import flash.events.EventDispatcher
import org.papervision3d.core.proto.MaterialObject3D
import org.papervision3d.objects.primitives.Sphere
import org.papervision3d.view.BasicView

class Ball extends Sphere {
  private static const RADIUS:int = 100

private var degree:int

function Ball(dispatcher:EventDispatcher, world:BasicView, material:MaterialObject3D) {
    super(material, 10, 10, 10)

dispatcher.addEventListener(Roll.TICK, function (event:Event):void {
      degree += 20
      if (degree === 360) { degree = 0 }

x = (RADIUS * Math.cos(degree * Math.PI / 180))
      y = (RADIUS * Math.sin(degree * Math.PI / 180))
      z -= 10

try {
        if (world.camera.z > z) { world.scene.removeChild(this) }
      } catch (e:Error) {
        // I don't know what I should do yet.
      }
    })

x = (RADIUS * Math.cos(degree * Math.PI / 180))
    y = (RADIUS * Math.sin(degree * Math.PI / 180))
    world.scene.addChild(this)
  }
}

トンネルをくぐる感じ