On 29-5-2019 15:22, William F Pokorny wrote:
> On 5/29/19 2:31 AM, Paolo Gibellini wrote:
>> Thomas de Groot wrote on 28/05/2019 08:35:
> ...
>>>
>>> Fascinating. I am not sure how this maze can be solved though: hidden 
>>> doorways at the centre?
>>
>> Maybe teletransport?
>>
>> Paolo
>>
> 
> Paolo, No teleport - though a black hole is being used to distort space!
> 
> Thomas, Suppose you could say there are hidden paths where the upper 
> parts of the walls fly overhead toward the black hole's center. True, 
> one might need to be skinny and limber to get through. :-) Attaching a 
> couple images.
> 
> My maze play turned up two issues. One marked with the '?s'. It looks 
> like the isosurface is getting pulled apart (shadows? normals?). No luck 
> thus far running the cause down. Only that one place and with smallish 
> changes it goes away.

It would help if the shadows were lighter. It is difficult to see what 
happens in the pitch black dark :-) Aside: seen the movie "What we do in 
the shadows"?

> 
> I employed the new +am3 to reduce moiré patterns with the red/black 
> stripes. Worked well until I changed the floor color from red to tan and 
> the run time jumped 100x or more at hard shadow boundaries.
> 
> Thomas, I know you've been an early adopter of +am3. If you happen to 
> come across similar +am3 changed behavior due color, I'd be interested. 
> It's on my list to reproduce part of the maze with boxes and identical 
> colors. Might be I'm seeing some strange interplay of +am3 and 
> isosurface shadow rays - but why would a simple color change matter...
> 

I do not remember to have come across such an issue but I shall keep my 
eyes open.

-- 
Thomas

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