Settings of kinds added to FAUNA_KINDS.
OptionalbirdsBird flocks, or false for none.
Camera everything streams around.
OptionalfishFish schools, or false for none.
OptionaloriginFloating origin for every kind.
OptionalpredatorsObjects every kind flees from (not JSON).
OptionalrendererA WebGPURenderer; initialised if needed.
OptionalsceneIf given, fauna is added to it and updates whenever it renders.
OptionalseedSeed for every kind.
OptionalstatesMaterial states for every kind.
The world that decides where animals live.
Options for Fauna.create.