Hi Carsten,
> Oh, now I get it, big misunderstanding on my end. I thought you wanted
> a traversal that only calls the leave callbacks instead of enter and
> leave callbacks, sorry.
No prob, could have been more explicit :)
> You can override an Action's callbacks on a per instance basis
> (registerEnterFunction, registerLeaveFunction), so you can create a
> regular RenderAction and register a different callback for geometry.
> That callback would basically do the same as the regular one, but only
> after testing that the node has no children.
OK, and here's the problem:
Action::ResultE myTraverse(CNodePtr & Cnode, Action *action)
{
OSG::NodePtr node = action->getActNode();
if( node->getNChildren() )
return Action::Skip;
else
return Action::Continue;
}
[...]
ra->registerEnterFunction(OSG::Geometry::getClassType(),
osgTypedFunctionFunctor2CPtrRef< Action::ResultE,
CNodePtr,
Action * >(&myTraverse));
That can't work. If I skip a node with children, the children
won't get traversed. (Consider the case where a Geometry Node
has a Geometry child...)
I don't see how I can just render a leave without "rendering"
the parent just with the enter/leave methods?
Cheers,
Toni
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