From: Angus Dorbie (dorbie++at++sgi.com)
Date: 05/01/2001 01:44:27
Since you're getting the motion already, you just need to buffer it and
key your eye point from a few frames ago. A small ring buffer would do
the trick.
See the Aqua section on http://www.dorbie.com/ for information of
various types of view tethering in Performer.
Cheers,Angus.
Suresh Kannan wrote:
>
> Hello,
>
> I am new to Performer.
> I have a simple helicopter simulation that receives position/attitude data
> over the network.
> I am trying to extend the pfiXFormer class to become a simple tether-follow
> view of a given vehicle. I am sure this is a simple operation but I do not
> even know where to start, i.e., documentation on how to extend the
> pfiXformer class.
>
> What I have tried :
> Directly work out needed position of camera in world coordinates and
> position the camera with euler angles. This however gives me very jerky
> graphics i.e., the vehicle graphics seems to be shaky.
>
> Any pointers to documentation would be greatly appreciated. Since there is
> no way I can look at the Drive and FLY motion model code for performer I
> cannot use that as an example.
>
> regards,
> suresh.
> PS : Is the programmer and getting-starting guide the only documentation on
> Performer ?
>
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