Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Tue, 29 Jul 1997 01:04:09 -0700
Instead use:
pfChanView(Chan[0],ship->pos,ship->rot);
Cheers,Angus.
On Jul 28, 7:06pm, Eric Heft wrote:
> Subject: Q: When does pfDCS & pfSetChannelOffset occure?
> Hi,
>
> I'm working on a flight simulator using perfly a the basis of this
> code. . I've loaded an aircraft model into a DCS node which I use
> pfDSCTrans and pfDSCRotate to move the aircraft around. I'm using
> pfChanViewOffsets to have the camera move in response to the aircraft.
> Using the following updateSim I expect the viewpoint to be somewhere
> inside the model, instead the viewpoint seems to be trailing one
> frame behind the model. The model and viewpoint seems to be
> translating and rotating correctly.
>
> void
> updateSim(pfChannel *chan)
> {
> /* ... all the perfly updateSim code ... */
> /* ... Stuff to read stick inputs and call the f15 dynamics ... */
> /* ... ship->rot contains current h,p,r rotations ... */
> /* ... ship->pos contains current x,y,z translations ... */
>
> pfDCSTrans(ship->dcs,ship->pos[0],ship->pos[1],ship->pos[2]);
> pfDCSRot(ship->dcs,ship->rot[0],ship->rot[1],ship->rot[2]);
>
> pfChanViewOffsets(Chan[0],ship->pos,ship->rot);
> }
>
> Thanks for any advise you may have.
> Eric
>
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>-- End of excerpt from Eric Heft
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