[Bf-cycles] Possible ideas for the upcoming official ubershader

Brecht Van Lommel brechtvanlommel at pandora.be
Sun Jun 2 15:49:23 CEST 2013

Thanks, I'll take a close look at this when implementing the shader.
At the moment I've only been working on presenting complex nodes
better in the UI.

On Sat, Jun 1, 2013 at 12:49 AM, Matthew Heimlich
<matt.heimlich at gmail.com> wrote:
> Hey Brecht,
> I know you've been working on an ubershader to be available in an upcoming
> release, and I wanted to toss in my two cents as far as the feature set
> goes.
> I recently released an ubershader created entirely with the node group
> system to the community, and the response has been overwhelmingly positive
> so far. It's given me a good reference for what people seem to really enjoy
> in terms of added functionality.
> The shader has the standard Diffuse/Glossy/Anisotropic/Transparent options,
> as well as options for SSS, the choice between decoupled Refraction/Glossy
> for glass-like materials or the glass shader itself, emission, and a flat
> color matte that only affects camera rays.
> There are a couple of options in the glass/refraction shaders that people
> have absolutely gone nuts for. There is the option built in to control
> shadow color, allowing for tweaking opacity for things like flat glass
> tables without having to mix several nodes together. On top of that, there
> is an option for fake, nearly free caustics using some vector math and the
> normal and incoming geometry variables. This seems to be the one feature
> that people love most from the shader, and it's surprisingly convincing,
> especially for animations.
> The other feature people really seem to like is a simplified Beer's Law
> transmission/absorption effect for glass/refractions. It includes the option
> to manually control the transmission color and depth at which it occurs.
> If you'd like to take a look at the shader the download link and full
> documentation are over at
> http://www.blenderartists.org/forum/showthread.php?283248-Ubershader-v4-0-New-Release-5-24-2013-Come-and-Get-It!
> As always, many thanks for the work you do for the Blender and the community
> as a whole. I hope I can be of some help in the decision making process.
> Matt Heimlich
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