btGeneric6DofSpring2Constraint(btRigidBody &rbA, btRigidBody &rbB, const btTransform &frameInA, const btTransform &frameInB, RotateOrder rotOrder=RO_XYZ)
2009 March: btGeneric6DofConstraint refactored by Roman Ponomarev Added support for generic constrain...
The btRigidBody is the main class for rigid body objects.