hi james,

this is not at all how it should look like. i believe that either something is 
wrong with lighting values in gl_FrontLightModelProduct / gl_LightSource[0] 
or smoothstep() does not work correctly on your system.

i'm working on improving the shaders. i'll try to make a shader without 
smoothstep for you to check.

the problem could also be mac-specific? did someone else notice strange colors 
with the shaders on os x?

cheers,

- till

On Sunday 30 August 2009, James Turner wrote:
> Can someone familiar with the current state of the shaders/effects
> code inform me if I'm what I'm seeing in the following shots is:
>       - intended
>       - a known, generic bug (or work in progress)
>       - an issue to specific to my setup that I need to supply more
> information about
>
> Shots: (dusk shot is take with the sun almost directly behind the
> camera)
>
>       http://files.goneabitbursar.com/fg-mac-nv7300-day.png
>       http://files.goneabitbursar.com/fg-mac-nv7300-dusk.png
>
> It seems to me that the lighting model in both cases is a very
> unrealistically bright green (especially for the water, but also the
> fields) , and further that water is not behaving similarly to
> screenshots from other users I've seen in the forums, in terms of
> specular reflections based upon sun position and viewer angle.
>
> Cheers,
> James


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