atdunbg
82910c41e8
- JointComponent: type, target UUID, per-body local anchors, hinge axis + angle limits (data only, zero Jolt deps) - PhysicsWorld::SyncConstraints: create/remove/rebuild on snapshot change; body rebuild contagion via invalidated-bits list; target resolved lazily by UUID each sync (no two-pass load needed) - Jolt FixedConstraint/HingeConstraint/PointConstraint in LocalToBodyCOM space (anchors minus shape COM); fixed frames lock creation-time relative pose; hinge axis aligned across bodies - Inspector: Joint section with target entity name dropdown - Serialization: Joint map with UUID target, as<T> fallbacks