Whether §8 lets a physical simulation operate in mode at all — "physics
normally operates in world or local-plane space", so exactly "world" and
"local-plane" answer true.
This is the specification's line, not an implementation status: a true
here does not by itself promise a solver mapping. "local-plane" is legal
under §8; PhysicsWorld.addBody accepts it when the world has a plane
(default XY). The predicate stays a vocabulary check so a later adapter
cannot quietly redefine §8.
Whether §8 lets a physical simulation operate in
modeat all — "physics normally operates in world or local-plane space", so exactly"world"and"local-plane"answertrue.This is the specification's line, not an implementation status: a
truehere does not by itself promise a solver mapping."local-plane"is legal under §8;PhysicsWorld.addBodyaccepts it when the world has a plane (default XY). The predicate stays a vocabulary check so a later adapter cannot quietly redefine §8.