I assume you’re trying to rotate the DisplayObject2D around its Z-axis, similar to what changing the standard Flash rotation property would do (i.e. “obj._rotation = angle”)?

I don’t think this will work, as the whole idea behind billboarding is that the DisplayObject2D is always facing the same way on the two-dimensional plane (your screen).

If you’re looking for something that ‘participates’ more fully in the 3D world, including rotations around X, Y and Z axes, perhaps you can look into org.papervision3d.objects.Plane class (with a suitable material such as bitmap).

Hope this helps.

Cheers, Jussi

By the way, Tweetpond is great.

Thank you.

“Circle” is not defined in ActionScript at all, it is a movieclip you can find in the Library of the DisplayObject2DTest.fla project:

You will also notice under the “linkage” column how this movieclip has been exported to ActionScript as class “Circle”. In the Library, right click on the Circle and select Properties to view and change symbol properties.

Hope this helps.

Cheers, Jussi

“A reader recently asked for some examples on how to use the DisplayObject2D class so I’ve attached some example code below to illustrate.”

I started to program in papervision recently not for profesional job. I readed your post.

¿Could you give me an code source example for a movieclip like ‘circle’?

Thank for all,

The magic is in having everything on their own individual layers that Papervision3D can the z-order correctly. I also highly recommend installing http://www.monsterdebugger.com/ so you can see what’s happening in your application in real time. Good luck!


var parentLayer:ViewportLayer;
var vpl:ViewportLayer;
 
// create an empty parent viewport layer and add it to the container
parentLayer = new ViewportLayer(viewport, null);
viewport.containerSprite.addLayer(parentLayer);
 
// create shape
var shape = new Sphere(material, SIZE);
 
// create layer and add to scene
shape.useOwnContainer = true;
vpl = parentLayer.getChildLayer(shape, true);
scene.addChild(shape);
 
// create text box (movieclip)
var box = new Box();
//...set box properties here...
 
// create do2d that encapsulates the movieclip
var label = new DisplayObject2D(box as DisplayObject, parentLayer, 0, null, SIZE*1.25, 0);
 
// create layer and add to scene
label.useOwnContainer = true;
vpl = parentLayer.getChildLayer(label, true);
scene.addChild(label);