Panda3D

coordinateSystem.h

00001 // Filename: coordinateSystem.h
00002 // Created by:  drose (24Sep99)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef COORDINATESYSTEM_H
00016 #define COORDINATESYSTEM_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "typedef.h"
00021 
00022 BEGIN_PUBLISH
00023 
00024 enum CoordinateSystem {
00025   // The CS_default entry does not refer to a particular coordinate
00026   // system, but rather to the value stored in
00027   // default_coordinate_system, which in turn is loaded from the
00028   // config variable "coordinate-system".
00029   CS_default,
00030 
00031   CS_zup_right,
00032   CS_yup_right,
00033   CS_zup_left,
00034   CS_yup_left,
00035 
00036   // CS_invalid is not a coordinate system at all.  It can be used in
00037   // user-input processing code to indicate a contradictory coordinate
00038   // system request.
00039   CS_invalid,
00040 };
00041 
00042 EXPCL_PANDA_LINMATH CoordinateSystem get_default_coordinate_system();
00043 EXPCL_PANDA_LINMATH CoordinateSystem parse_coordinate_system_string(const string &str);
00044 EXPCL_PANDA_LINMATH string format_coordinate_system(CoordinateSystem cs);
00045 EXPCL_PANDA_LINMATH bool is_right_handed(CoordinateSystem cs = CS_default);
00046 
00047 END_PUBLISH
00048 
00049 #define IS_LEFT_HANDED_COORDSYSTEM(cs) ((cs==CS_zup_left) || (cs==CS_yup_left))
00050 
00051 EXPCL_PANDA_LINMATH ostream &operator << (ostream &out, CoordinateSystem cs);
00052 EXPCL_PANDA_LINMATH istream &operator >> (istream &in, CoordinateSystem &cs);
00053 
00054 
00055 #endif
00056 
 All Classes Functions Variables Enumerations