OptionalcenterWorld XZ centre of the mapped square. Default [0, 0].
OptionalcoverageInitial coverage 0..1. Default 1 (grass everywhere).
OptionalheightInitial height multiplier 0..2 (1 = preset height). Default 1.
OptionalresolutionTexels per side. Default 512.
OptionalsizeEdge length of the mapped square in metres. Default 256.
Options for GrassMap.