Fractal Brownian Motion over sampleNoise. Returns a value in roughly [-1, 1]. Each octave uses a different noise channel to avoid harmonic correlation. startScale: world-space period of the first (largest) octave in cells.
Fractal Brownian Motion over sampleNoise. Returns a value in roughly [-1, 1]. Each octave uses a different noise channel to avoid harmonic correlation. startScale: world-space period of the first (largest) octave in cells.