A function returning a floating object's current contact footprint (in the
ocean's local frame), or null when it is temporarily not touching the water
(so it can be skipped). Read every frame by the enclosing <Ocean>, so it
should reflect the object's live position/heading.
A function returning a floating object's current contact footprint (in the ocean's local frame), or
nullwhen it is temporarily not touching the water (so it can be skipped). Read every frame by the enclosing<Ocean>, so it should reflect the object's live position/heading.