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clipka wrote:
> Doctor John <joh### [at] home com> wrote:
>> Thank $DEITY you noticed that! My next project was a bunch of rusting
>> glass planetoids :-)
>
> Hm... yeah, I guess it's a bit more far-fetched than the rusty steel thing ;)
>
> But I *can* think of earnest use cases for it; for instance, someone might want
> to model some "message in a bottle" scene: An old bottle, having grown dull
> already (diffuse refraction, we may try antialiasing-driven micronormals here
> for instance), sitting partially in the sand somewhere, with a sheet of dry
> sand having settled on it (normals here for grainy appearance, governed by a
> slope pattern).
>
Thinking about it last night I realised that acid-etched or sand-blasted
glass would be among the classes of objected affected.
John
--
"Eppur si muove" - Galileo Galilei
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