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float wave_macro = getWave(s, macro_freq, phase, macro_chop, p);
hump = wave_macro;
P = P - n * hump * Km;
N = calculatenormal(P);
LIBRARY FUNCTION
float getWave(float angle, freq, phase, chop;
point p)
{
float custom_chop = phase + (noise(p)-0.5) * chop;
return sin((angle + phase + custom_chop) * 2 * PI * freq);
}
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