OptionalcolorBase colour. Default [0.62, 0.62, 0.614].
OptionalnoisePeriod of the colour/heightfield fBm in lattice cells. Default 18.
OptionalnormalheightToNormal strength. Default 1.2.
OptionalroughnessRoughness centre. The output mr modulates ±0.08 around this
via a half-period fBm. Default 0.86.
Options accepted by paintConcrete.