@class SCNNode, SCNPhysicsBody, SCNPhysicsConeTwistJoint; @interface AVTPhysicsRig : NSObject { float _coneConstraintLength; float _coneConstraintSinusAngularLimit; SCNNode *_rig; SCNNode *_chainRoot; SCNPhysicsBody *_physicsBody; SCNPhysicsConeTwistJoint *_physicsBehavior; double _downForceFactor; void /* unknown type, empty encoding */ _restPosition_chainRoot; void /* unknown type, empty encoding */ _restGravityVector_chainRoot; struct { void /* unknown type, empty encoding */ columns[3]; } _coneConstraintBasis_chainParent; struct { void /* unknown type, empty encoding */ columns[4]; } _coneConstraintAnchorB; } - (void).cxx_destruct; @end