Panda3D

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coordinateSystem.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file coordinateSystem.h
10 * @author drose
11 * @date 1999-09-24
12 */
13
14#ifndef COORDINATESYSTEM_H
15#define COORDINATESYSTEM_H
16
17#include "pandabase.h"
18
19#include "typedef.h"
20
21BEGIN_PUBLISH
22
23 enum CoordinateSystem {
24 // The CS_default entry does not refer to a particular coordinate system,
25 // but rather to the value stored in default_coordinate_system, which in
26 // turn is loaded from the config variable "coordinate-system".
27 CS_default,
28
29 CS_zup_right, // Z-Up, Right-handed
30 CS_yup_right, // Y-Up, Right-handed
31 CS_zup_left, // Z-Up, Left-handed
32 CS_yup_left, // Y-Up, Left-handed
33
34 // CS_invalid is not a coordinate system at all. It can be used in user-
35 // input processing code to indicate a contradictory coordinate system
36 // request.
37 CS_invalid,
38};
39
40EXPCL_PANDA_LINMATH CoordinateSystem get_default_coordinate_system();
41EXPCL_PANDA_LINMATH CoordinateSystem parse_coordinate_system_string(const std::string &str);
42EXPCL_PANDA_LINMATH std::string format_coordinate_system(CoordinateSystem cs);
43EXPCL_PANDA_LINMATH bool is_right_handed(CoordinateSystem cs = CS_default);
44
45END_PUBLISH
46
47#define IS_LEFT_HANDED_COORDSYSTEM(cs) ((cs==CS_zup_left) || (cs==CS_yup_left))
48
49EXPCL_PANDA_LINMATH std::ostream &operator << (std::ostream &out, CoordinateSystem cs);
50EXPCL_PANDA_LINMATH std::istream &operator >> (std::istream &in, CoordinateSystem &cs);
51
52
53#endif
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
typedef.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.