/**
 * 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."
 *
 * @file fogAttrib.I
 * @author drose
 * @date 2002-03-14
 */

/**
 * Use FogAttrib::make() to construct a new FogAttrib object.
 */
INLINE FogAttrib::
FogAttrib() {
}

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

/**
 * 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;
}