[osg-users] Draw a triangle with front and back faces

Robert Osfield robert.osfield at gmail.com
Wed Mar 18 02:12:05 PDT 2009


Hi Ruqin,

The OSG uses exactly the same name conventions and state granularity as
OpenGL, typically you just need to change glName to osg::Name to find the
right class to work with.

In your case are you simply looking for two sided lighting?

Robert.

2009/3/18 Ruqin Zhang <ruzhang at gmail.com>

> Hi,
>
> I am trying to draw a triangle with filled front and back faces. In this
> way,
> even the normal of it has a wrong direction, I can still have it rendered
> correctly.
> I know how to do this in OpenGL, while didn't figure it out in OSG. Has
> anyone
> done this before? Please help me out with some sample code. Thanks a lot!
>
> Ruqin
>
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> osg-users mailing list
> osg-users at lists.openscenegraph.org
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>
>
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