Heiko

> 
> >>About:  An aircraft flying in the alps reflecting very visible the ocean
> >>doesn't look realistic.
> >>Won't it be possible to select the reflection according to the terrain
> >>under, it is done with some particule animations  (helicopter), it is
> >>possible to make it with the reflecting system.
> 
> >>I know that Gerard did experiment it,  unfortunately i havn't found the
> >>example.
> >>It just want to include a Nasal script, since the terrain under is not
> >>exposed within a property.
> 
> I don't think it is possible, as the shader system doesn't allow dynamic
> switching between different cubemaps.
> And then, when ever the aircraft is flying above a small spot of water it
> would switch to ocean-cubemap- even in the alps.
> 
> Better would be a realtime environment map. (like the reflections on the
> water in MSFS X or X-Plane)
> But this needs render-texture support and will probably have some impact
> on perfomance.
> 

The default cube map of fair-sky is a reasonable representation of our
fair-weather sky, with a nondescript land cover. Not only can the cube map
not be changed on the fly, but it is also fixed to the aircraft and not the
environment. If you don't look too closely, we can just about get away with
it over most terrain (even ocean). It would be nice to fix that. RTT would
be even better, but I can't see that getting done at a frame rate that we
can afford.

Hell, we can't even do shadows ... what chance a realistic reflection
shader?


Vivian 



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