Re: C++ node->setTravData

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Kowsik Guruswamy (kowsik++at++coryphaeus.com)
Tue, 26 Mar 1996 09:51:32 -0800

On Mar 26, 4:25pm, Angus Henderson wrote:
> Subject: C++ node->setTravData
> Has anyone got an example of a Performer 2.0-C++-node->setTravData ?
>
> I had a working version with Performer 1.2-C-pfNodeTravData, but when I
cannot
> get a valid pointer to my draw process in 2.0.
>
> I do something like....
>
> ExpTravData *edt[MAX_EXPLOSIONS];
>
>
> for(i = 0; i < MAX_EXPLOSIONS; i++)
> {
> edt[i] =
> (ExpTravData*)pfMalloc(sizeof(ExpTravData),pfGetSharedArena());
>
> node->setTravData( PFTRAV_DRAW, edt[i] );
> }
>
> In the pre node draw callback I always get a pointer to the last element of
edt
> and none of the others.

Which is exactly what the code does. Inside the loop you are overwriting the
nodeTravData with the ith element in the array.

Try moving the 'setTravData' outside the loop and make it

node->setTravData (PFTRAV_DRAW, edt);

K.

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