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Author Topic: Mandelbulb Minibrot  (Read 2430 times)
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gaston3d
Guest
« on: November 20, 2009, 11:23:33 PM »

It seems like this is my first post in this great forum, so

Hi everyone smiley

I was searching the web for some smart normal vector calculation methods, and I found this forum instead.
The quest for true 3D Mandelbrot Set was awesome reading. Good job!

I would like to share some results from raytracer I'm working on for some time.
It's a zoom of Mandelbulb's first Minibrot (20 iterations).

Image info: standard raytracing, diffuse lighting (one light source), 800x600 scaled to 400x300.
Raytracer: C#, external formula DLLs import, multithreading (CPU only), mouse + keyboard navigation.
TODO: LAN computing.

More results and additional info soon.


* minibrot.jpg (81.95 KB, 400x300 - viewed 626 times.)
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lycium
Fractal Supremo
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« Reply #1 on: November 21, 2009, 04:59:17 AM »

i'd be interested to hear what smart normal estimation methods you come across, this is really a pain in the numerical ass  tongue stuck out
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gaston3d
Guest
« Reply #2 on: November 23, 2009, 10:29:08 PM »


hi lyc,
nothing interesting found...

I posted some in other topic:
http://www.fractalforums.com/mandelbulb-implementation/calculating-normals/msg9044/#msg9044
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gaston3d
Guest
« Reply #3 on: December 16, 2009, 10:35:56 PM »


somewhere on the surface...

like minibrot, based on http://www.fractalforums.com/3d-fractal-generation/true-3d-mandlebrot-type-fractal/msg7235/#msg7235
(16 iterations)


* mb-surface-20091216.jpg (343.99 KB, 800x600 - viewed 438 times.)
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