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.

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...

Bill P.

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