Panda3D
fltTransformRotateAboutEdge.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 fltTransformRotateAboutEdge.h
10  * @author drose
11  * @date 2000-08-30
12  */
13 
14 #ifndef FLTTRANSFORMROTATEABOUTEDGE_H
15 #define FLTTRANSFORMROTATEABOUTEDGE_H
16 
17 #include "pandatoolbase.h"
18 
19 #include "fltTransformRecord.h"
20 
21 /**
22  * A transformation that rotates about a particular axis in space, defined by
23  * two endpoints.
24  */
26 public:
28 
29  void set(const LPoint3d &point_a, const LPoint3d &point_b, PN_stdfloat angle);
30 
31  const LPoint3d &get_point_a() const;
32  const LPoint3d &get_point_b() const;
33  PN_stdfloat get_angle() const;
34 
35 private:
36  void recompute_matrix();
37 
38  LPoint3d _point_a;
39  LPoint3d _point_b;
40  PN_stdfloat _angle;
41 
42 protected:
43  virtual bool extract_record(FltRecordReader &reader);
44  virtual bool build_record(FltRecordWriter &writer) const;
45 
46 public:
47  virtual TypeHandle get_type() const {
48  return get_class_type();
49  }
50  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
51  static TypeHandle get_class_type() {
52  return _type_handle;
53  }
54  static void init_type() {
55  FltTransformRecord::init_type();
56  register_type(_type_handle, "FltTransformRotateAboutEdge",
57  FltTransformRecord::get_class_type());
58  }
59 
60 private:
61  static TypeHandle _type_handle;
62 };
63 
64 #endif
This is the first bead in the file, the top of the bead hierarchy, and the primary interface to readi...
Definition: fltHeader.h:44
This class turns an istream into a sequence of FltRecords by reading a sequence of Datagrams and extr...
This class writes a sequence of FltRecords to an ostream, handling opcode and size counts properly.
A base class for a number of types of ancillary records that follow beads and indicate some kind of a...
A transformation that rotates about a particular axis in space, defined by two endpoints.
PN_stdfloat get_angle() const
Returns the angle of rotation, in degrees counterclockwise about the axis as seen from point a.
void set(const LPoint3d &point_a, const LPoint3d &point_b, PN_stdfloat angle)
Defines the rotation.
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition: register_type.I:22