public btGeneric6DofConstraint createGeneric6DofConstraint( btRigidBody rbA, btRigidBody rbB, Matrix4 frameInA, Matrix4 frameInB, boolean useLinearReferenceFrameA) { long cPtr = ExtrasJNI.btWorldImporter_createGeneric6DofConstraint__SWIG_0( swigCPtr, this, btRigidBody.getCPtr(rbA), rbA, btRigidBody.getCPtr(rbB), rbB, frameInA, frameInB, useLinearReferenceFrameA); return (cPtr == 0) ? null : new btGeneric6DofConstraint(cPtr, false); }