rec.autos.simulators

GPL - can camera FOV be adjusted?

Joe6

GPL - can camera FOV be adjusted?

by Joe6 » Wed, 20 Mar 2002 07:21:11

Is there a way to hack or change the driving FOV (field of view angle)
in GPL? I'd like to try a wider FOV to get a greater sense of speed. I
think it would help my control of the physics if the visual perception
of speed matched the simulated speed.
Tony Rickar

GPL - can camera FOV be adjusted?

by Tony Rickar » Wed, 20 Mar 2002 07:26:51


http://www.btinternet.com/~alex_cameron

Download foved.zip

You may also need GPLSA to adjust the driver backwards or forwards to see the
mirrors:

http://home.swbell.net/gmsmiley/

HTH

Tony

Andre Warring

GPL - can camera FOV be adjusted?

by Andre Warring » Wed, 20 Mar 2002 07:50:01

On Mon, 18 Mar 2002 22:26:51 GMT, "Tony Rickard"


>http://www.btinternet.com/~alex_cameron

>Download foved.zip

This utility is even better, you can change the fov real time and
change a lot of other things:
http://home.worldonline.dk/~7471000/

Andre

Joe6

GPL - can camera FOV be adjusted?

by Joe6 » Wed, 20 Mar 2002 09:43:34

On Mon, 18 Mar 2002 22:26:51 GMT, "Tony Rickard"


>http://www.btinternet.com/~alex_cameron

>Download foved.zip

Thanks Tony - the resourcefullness of the GPL community never fails to
amaze me!
Leo Merikall

GPL - can camera FOV be adjusted?

by Leo Merikall » Wed, 20 Mar 2002 16:51:58

I dont know if it helps but the default fov 78 is not wide enough. Now
I play with 82 or so and theres a much greater illusion of speed than
before.

Some people actually reduce the fov from the value of 78 but I dont
see any point there, all becomes so 'slow' :P. If You want close
***pit just use GPLSA to fix the camera position.

Cheers,
LM

Mats Lofkvis

GPL - can camera FOV be adjusted?

by Mats Lofkvis » Thu, 21 Mar 2002 01:03:18


> I dont know if it helps but the default fov 78 is not wide enough. Now
> I play with 82 or so and theres a much greater illusion of speed than
> before.

> Some people actually reduce the fov from the value of 78 but I dont
> see any point there, all becomes so 'slow' :P. If You want close
>***pit just use GPLSA to fix the camera position.

> Cheers,
> LM

The problem with any wide fov is that it results in a very
unnatural perspective unless you sit very close to a really
large monitor (e.g. with a 90 degree fov the distance from
your eyes to the monitor should be half the width of the
monitor to get a natural perspective which translates to
only 8 inches distance if you have a 20 inch monitor).

Another disadvantage with a wide fov is that everything
gets smaller which means you need to run at a higher
resolution to get the same amount of detail.

On the other hand, low framerates (e.g. 36 fps) is
less of a problem with a wide fov since there is less
sideways movement on the screen from frame to frame.
(But this problem can also be solved by using a small
enough monitor :-)

      _
Mats Lofkvist

Andre Warrin

GPL - can camera FOV be adjusted?

by Andre Warrin » Thu, 21 Mar 2002 01:28:44



Actually you are the first one I know who increases the fov :)
With a smaller fov you do lose some illusion of speed (on the
straights), but with a smaller fov (I use 50) the speed-awareness
becomes much better, it's more easy to judge how fast you are going in
the corners.
Also it gets easier to judge the distance from the car to the edge of
the track with a smaller fov.

Increasing the fov also increases the fishbowl effect..
So both ways of using fov have their advantages.. we seriously need
some VR helmets :-/

Andre


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