00001 // Filename: fogAttrib.I 00002 // Created by: drose (14Mar02) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved 00008 // 00009 // All use of this software is subject to the terms of the Panda 3d 00010 // Software license. You should have received a copy of this license 00011 // along with this source code; you will also find a current copy of 00012 // the license at http://www.panda3d.org/license.txt . 00013 // 00014 // To contact the maintainers of this program write to 00015 // panda3d@yahoogroups.com . 00016 // 00017 //////////////////////////////////////////////////////////////////// 00018 00019 00020 //////////////////////////////////////////////////////////////////// 00021 // Function: FogAttrib::Constructor 00022 // Access: Private 00023 // Description: Use FogAttrib::make() to construct a new FogAttrib 00024 // object. 00025 //////////////////////////////////////////////////////////////////// 00026 INLINE FogAttrib:: 00027 FogAttrib() { 00028 } 00029 00030 //////////////////////////////////////////////////////////////////// 00031 // Function: FogAttrib::is_off 00032 // Access: Published 00033 // Description: Returns true if the FogAttrib is an 'off' FogAttrib, 00034 // indicating that it should disable fog. 00035 //////////////////////////////////////////////////////////////////// 00036 INLINE bool FogAttrib:: 00037 is_off() const { 00038 return _fog == (const Fog *)NULL; 00039 } 00040 00041 //////////////////////////////////////////////////////////////////// 00042 // Function: FogAttrib::get_fog 00043 // Access: Published 00044 // Description: If the FogAttrib is not an 'off' FogAttrib, 00045 // returns the fog that is associated. Otherwise, 00046 // return NULL. 00047 //////////////////////////////////////////////////////////////////// 00048 INLINE Fog *FogAttrib:: 00049 get_fog() const { 00050 return _fog; 00051 }
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