public SWIGTYPE_p_btMotionState getMotionState()
{
IntPtr cPtr = BulletDynamicsPINVOKE.btRigidBody_getMotionState__SWIG_0(swigCPtr);
SWIGTYPE_p_btMotionState ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_btMotionState(cPtr, false);
return ret;
}