On 12-1-2014 18:53, clipka wrote:
> Am 12.01.2014 17:11, schrieb LanuHum:
>> I don't understand, what is reflected in a mirror in a floor? From
>> what there
>> the washed-away light spot?
>
>  From what I understand, that's blurred reflections on the floor tiles,
> using an approach dubbed "micronormals": You use standard specular
> reflection on a texture, but also add some normal perturbation (using a
> pattern with some randomness), scaled so small that the structure is
> smaller than the image resolution; last not least you also make sure
> there is sufficient oversampling (often via a bit of focal blur, or
> plenty of anti-aliasing; sometimes it is also done by using an average
> texture comprised of countless duplicates of the base texture with
> random differences in the normal perturbation).
>

That is right. I used micronormals here. Just a very small granite 
normal. In a future version I intend to use UberPOV's blurred 
reflections instead.

Thomas

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