Re: pre and post node draw callbacks

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Nicolas Gauvin (nicolas++at++cae.ca)
Wed, 14 Aug 1996 16:14:37 -0400

On Aug 14, 1:22pm, wasileskib++at++adadv1.mdc.com wrote:
> Subject: pre and post node draw callbacks
> Question?
> Is there a way, other than creating traversal
> data, for determining within the pre and post
> node draw callbacks which channel is currently being
> rendered? I have several channls for which each
> node will be drawn differently as a function of
> the viewport.
> Thanks.

Since a node callback has a pfTraverser argument:

callback(pfTraverser *trav, void *userData)

simply use:

pfChannel* chan = trav->getChan();

Check man pfTraverser for all the infos you can get from a pfTraverser

-- 
Nicolas Gauvin			CAE Electronics Ltd., 8585 Cote De Liesse
Software Developer 		Saint-Laurent, Quebec, Canada, H4L-4X4
3-D Graphics Applications	tel: +1 514 341 2000 extension 2275
nicolas++at++cae.ca			fax: +1 514 340 5496
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