// Filename: fogAttrib.I
// Created by:  drose (14Mar02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////
//     Function: FogAttrib::Constructor
//       Access: Private
//  Description: Use FogAttrib::make() to construct a new FogAttrib
//               object.
////////////////////////////////////////////////////////////////////
INLINE FogAttrib::
FogAttrib() {
}

////////////////////////////////////////////////////////////////////
//     Function: FogAttrib::is_off
//       Access: Published
//  Description: Returns true if the FogAttrib is an 'off' FogAttrib,
//               indicating that it should disable fog.
////////////////////////////////////////////////////////////////////
INLINE bool FogAttrib::
is_off() const {
  return _fog == (const Fog *)NULL;
}

////////////////////////////////////////////////////////////////////
//     Function: FogAttrib::get_fog
//       Access: Published
//  Description: If the FogAttrib is not an 'off' FogAttrib,
//               returns the fog that is associated.  Otherwise,
//               return NULL.
////////////////////////////////////////////////////////////////////
INLINE Fog *FogAttrib::
get_fog() const {
  return _fog;
}