ViewportLayer

ViewportLayer is a layer and may be sorted by z, index, or origin.

Example

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Papervision3D ViewportLayer

Instructions

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  1. Import
    2. import org.papervision3d.view.layer.ViewportLayer;
  2. Declare
    3. private var layer :ViewportLayer;
  3. Initialize
    4. layer = new ViewportLayer(viewport, do3d, isDynamic);
    Parameter: Default: Description:
    viewport NONE viewport
    do3d NONE object
    isDynamic false
  4. Add layer
    5. viewport.containerSprite.addLayer(layer);
  5. Add chlid layer
    6. layer.getChildLayer(object);

Code

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package
{
  import flash.display.Sprite;
  import flash.events.Event;

  import org.papervision3d.cameras.Camera3D;
  import org.papervision3d.events.InteractiveScene3DEvent;
  import org.papervision3d.materials.ColorMaterial;
  import org.papervision3d.objects.primitives.Plane;
  import org.papervision3d.render.BasicRenderEngine;
  import org.papervision3d.scenes.Scene3D;
  import org.papervision3d.view.Viewport3D;
  import org.papervision3d.view.layer.ViewportLayer;

  public class Papervision3DViewportLayer extends Sprite
  {
    private var scene     :Scene3D;
    private var camera    :Camera3D;
    private var viewport  :Viewport3D;
    private var layer     :ViewportLayer;
    private var renderer  :BasicRenderEngine;
    private var material  :ColorMaterial;
    private var material2 :ColorMaterial;
    private var object    :Plane;
    private var object2   :Plane;

    public function Papervision3DViewportLayer()
    {
      scene = new Scene3D();

      camera = new Camera3D();

      viewport                  = new Viewport3D();
      viewport.autoScaleToStage = true;
      viewport.interactive      = true;
      addChild(viewport);

      layer          = new ViewportLayer(viewport, null);
      layer.sortMode = "index";
      viewport.containerSprite.addLayer(layer);

      renderer = new BasicRenderEngine();

      material             = new ColorMaterial(0x000000);
      material.doubleSided = true;
      material.interactive = true;

      material2             = new ColorMaterial(0xff0000);
      material2.doubleSided = true;
      material2.interactive = true;

      object   = new Plane(material);
      object.z = -300;
      scene.addChild(object);

      object2           = new Plane(material2);
      object2.rotationY = 90;
      object2.z         = 300;
      scene.addChild(object2);

      layer.getChildLayer(object).layerIndex = 1;
      layer.getChildLayer(object2).layerIndex = 2;

      object.addEventListener(InteractiveScene3DEvent.OBJECT_OVER, handleObjectOver);
      object.addEventListener(InteractiveScene3DEvent.OBJECT_OUT, handleObjectOut);
      object.addEventListener(InteractiveScene3DEvent.OBJECT_PRESS, handleObjectPress);

      object2.addEventListener(InteractiveScene3DEvent.OBJECT_OVER, handleObjectOver);
      object2.addEventListener(InteractiveScene3DEvent.OBJECT_OUT, handleObjectOut);
      object2.addEventListener(InteractiveScene3DEvent.OBJECT_PRESS, handleObjectPress);

      addEventListener(Event.ENTER_FRAME, handleEnterFrame);
    }

    private function handleEnterFrame(e:Event):void
    {
      object.yaw(1);
      object2.yaw(1);

      renderer.renderScene(scene, camera, viewport);
    }

    private function handleObjectOver(e:InteractiveScene3DEvent):void
    {
      viewport.containerSprite.buttonMode = true;
    }

    private function handleObjectOut(e:InteractiveScene3DEvent):void
    {
      viewport.containerSprite.buttonMode = false;
    }

    private function handleObjectPress(e:InteractiveScene3DEvent):void
    {
      if (layer.getChildLayer(object).layerIndex == 1) {
        layer.getChildLayer(object).layerIndex = 2;
        layer.getChildLayer(object2).layerIndex = 1;
      } else {
        layer.getChildLayer(object).layerIndex = 1;
        layer.getChildLayer(object2).layerIndex = 2;
      }
    }
  }
}

Download

References

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Papervision3D Official Documentation

Layer