[osg-users] Clipping when using a shader

[OpenSceneGraph Users]

Andrew,
You have to override computeBoundingBox on your Geometry and expand it to
account for your vertex displacement.

Glenn Waldron


On Thu, Apr 30, 2020 at 12:56 PM OpenSceneGraph Users <
osg-users at lists.openscenegraph.org> wrote:

> Hi,
> I am using a simple displacement vertex shader to animate a displacement
> field on a geometry.
>
> I am having an issue where during the animation the geometry is getting
> clipped by the near/far planes that are automatically maintained by OSG -
> obviously OSG knows nothing about the displacements of the shader.
>
> Any suggestions as to solve this issue in the most simple manner. I would
> like to avoid having to maintain my own near/far planes. I was hoping OSG
> had a user-definable "fudge" factor for near/far...
>
> Andrew
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "OpenSceneGraph Users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to osg-users+unsubscribe at googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/osg-users/7a43edba-7e8d-4f0c-bcb4-0da8dedc56e3%40googlegroups.com
> <https://groups.google.com/d/msgid/osg-users/7a43edba-7e8d-4f0c-bcb4-0da8dedc56e3%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20200430/41d23568/attachment.html>