Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Sat, 8 Feb 1997 16:56:09 +0000
Cheers,
Angus.
On Feb 8, 4:47am, Ran Yakir wrote:
> Subject: Draw a node twice
> Hi everybody,
>
> What would be the best way to control multiple draw passes of a specific
> node(s) ? What I want is to decide (per frame) that this node is to be
> drawn twice or more. I don't want to call pfDraw() multiple times,
> because it will draw the whole thing. Though it is possible to instance
> the node on my scene graph, it is not the solution I want. Instancing a
> node does not instane all the transformations and switches etc. above
> it, and that could cause the second pass to look different from the
> first.
> Any ideas ?
>
> Maybe this could be a nice addition to Performer's API. You could have a
> pfNodeTravMode function of pfNodeMPassMode that will set the number of
> passes for a specific node, and some parameters for the multipass (like,
> when to draw the second pass - right after the node gets drawn, or at
> the end of the normal scene).
>
> Ran
>
>
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