just pass by reference .. I think that should do the trick ..
On Wed, Jun 30, 2010 at 3:04 PM, Sam Warns <[email protected]> wrote:
> Hi,
>
> I am in a situation where I receive a osg::ref_ptr<Group> to which I should
> add a Transform Node (or basically prepend it)
>
> Usually the group I receive is in a hierarchy of nodes, so I was thinking
> about getting parents of this group, removing this group as a child and add
> the Transform instead.
>
> But is there a better way?
> Since I actually do not know anything about the parents of the group it is
> also possible that there is no parent yet so the exchange is getting
> difficult.
>
> Now I am wondering if it is possible and safe to swap the inner pointer of
> the ref_ptr. Basically my functions looks like
>
> Code:
>
> void foo (osg::ref_ptr<osg::Group> myGroup)
> {
> // do something
> osg::ptr_ref<osg::MatrixTransform> mat = new MatrixTransform;
> // change
> myGroup.swap(mat);
> }
>
>
>
>
> Which is called from a parent function like
>
> Code:
>
> void parentFoo()
> {
> osg::ref_ptr<osg::Group> myGroup = new osg::Group;
> foo(myGroup);
>
> // now I need myGroup to point to MatrixTransform without noticing it
>
> }
>
>
>
>
> Is this going to work?
> I have no compiler on this maschine to test right now so I am just assuming
> and browsing the docs.
>
>
> Thank you!
>
> Cheers,
> Sam
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=29515#29515
>
>
>
>
>
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