[osg-users] More than one NodeCallback on the same node
vincent.bourdier at gmail.com
Tue Jul 22 07:22:56 PDT 2008
Thanks for the explanations.
Can it be considerer as two callback at the same level ? or the nodecallback
and the nested nodecallback are diferents ?
What about the link which was about CompositeNodeCallback ? (
2008/7/22 Robert Osfield <robert.osfield at gmail.com>:
> HI Vinvent,
> A nested callback, is simply a NodeCallback which has another
> NodeCallback nested in side it. There is an _nestedCallback pointer
> in NodeCallback to provide the hooks for doing this.
> A nested set of NodeCallback's can be any length - it effectively just
> a linked list.
> On Tue, Jul 22, 2008 at 2:17 PM, Vincent Bourdier
> <vincent.bourdier at gmail.com> wrote:
> > Hi all,
> > I'm trying to add more than one nodeCallback on a single node. It would
> > very useful for my application.
> > First way :
> > In the archive, I founded this :
> > I didn't saw it in OSG sources, so I suppose it hasn't been implemented ?
> > Other way to do it :
> > In the explanation, I found the following code :
> >> if (node->getUpdateCallback())
> >> node->getUpdateCallback()->addNestedCallback(callback);
> >> else
> >> node->setUpdateCallback(callback);
> > What is the difference between a "nested" callback and a normal
> > ?
> > How many nested callback is it possible to add ?
> > Thanks a lot,
> > Regards,
> > Vincent.
> > _______________________________________________
> > osg-users mailing list
> > osg-users at lists.openscenegraph.org
> osg-users mailing list
> osg-users at lists.openscenegraph.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the osg-users