Hi Allen,
Allen Bierbaum wrote:
> OpenSG 2 should allow for true multi-pass algorithms in the scene
> graph. This should make highlighting easer by making it so you could say:
>
> - Render node as normal
> - Render node again with a different material and blend the output
>
> I have not tried it myself, but I think you should be able to use a
> combination of VisitSubTree and MaterialGroup nodes to support
> highlighting in the scene graph.
>
> If anyone has better ideas or source code, I would love to see it.
I was more thinking about partial State overrides, which are supported by the
RenderTravAction now. I don't have code ready, but that was my initial idea.
You can probably combine it with MultiPass to get nicer effects.
Dirk
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