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Mandelbulb glsl

I came across a glsl mandelbulb shader, that I started trying to get into vvvv, but I’ve encountered some problems, and really I’ve got some other things I should be doing, so in the meantime, thought I’d pop it here to see if anyone fancies having a crack…

For some info on what the hell a mandelbulb is
http://www.skytopia.com/project/fractal/mandelbulb.html
the glsl comes from

Sanch, where are you!
Tonfilm?

I think quite a few inputs could be replaced with world transforms etc, its from quartz composer and I don’t think you can pass matrices in very easily

cat ;)

Mandelbulb.zip (23.7 kB)

Yes it would be great if someone could convert this to HLSL.

I just had a play with it in Quartz and it is stunning but sllloooowwwww (on my machine). Maybe it would be faster in v4? (wishful thinking)