function gritCycles
universe/src/micro.ts:140
Cycles per unit of direction space the grit is evaluated at, on this body.
Exported beside GRIT_OCTAVES because the two are what a port of
microRelief has to agree with fbm3 about, and the arithmetic below is
the one place the conversion is written.
- grammarSurfaceGrammar
- Undocumented
Returnsnumber