Non-symmetric fog?

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From: Andreas Ekstrand (Andreas.Ekstrand++at++saab.se)
Date: 08/20/2001 07:33:37

Hi!

I wonder if anyone knows how to implement a fog that not only depends on
the distance but also on viewing angle? That is, if you are at say 1000
metres above the ground, observing two objects, one at 500 meters and
one at 1500 metres but equally far from your position, one of the
objects could be visible and the other not.

Is it possible to make the pfFog (or glFog) behave this way? Could you
solve it in some other way - callbacks maybe?

Any comment or suggestion will be appreciated.

Thanks in advance,
Andreas Ekstrand 

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FDM-AE Andreas Ekstrand |E-mail: Andreas.Ekstrand++at++saab.se
Saab AB                 |Phone:  +46 (0)13 - 18 40 42
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