Cool grey poured concrete. Colour and heightfield are driven by the same fBm; a per-pixel hash adds a low-amplitude dust speckle. Roughness varies with a half-period fBm so light-scattering variation is coherent with the colour map.
Cool grey poured concrete. Colour and heightfield are driven by the same fBm; a per-pixel hash adds a low-amplitude dust speckle. Roughness varies with a half-period fBm so light-scattering variation is coherent with the colour map.