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[ Picked text/plain from multipart/alternative ]
I think it would prove to be simple to do with the water lod system
implemented into the shader.

On 1/7/06, Tim Holt <[EMAIL PROTECTED]> wrote:
>
> I was wondering if anyone has any thoughts on how to create a desert
> mirage
> effect in a game.  Something like the effect you see on the runway in the
> picture at
> http://www.defenselink.mil/photos/Mar1998/980312-F-7910D-007.html
>
> It's basically a very strong refraction that effectively is creating a
> reflection of the sky, so I was wondering if one could start with the
> water
> shader and either go with the surface reflection method or even crank up
> the
> refraction to match how a real mirage works.  Modify it so that it was
> only
> visible at a long distance and high incident angle between the viewer and
> the
> normal surface.  Then create a flat thin brush of the "mirage material"
> over
> the surface of a large flat area such as a runway or desert floor.
>
> Thoughts?
>
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