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In the process of porting fractal brownian motion shader code from the book of shaders[0] to ANSI C code. I just got the first example ported. The generated output is posted.

FBM Domain warping [1] comes next, followed closely by some animation over time. At that point... I'll try to hook it up to some sound in .

0: thebookofshaders.com/13/
1: iquilezles.org/www/articles/wa

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f(p) = fbm(p + fbm(p + fbm(p)))

Did some scaling adjustments (also done in shader code) to make it more proportional.

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