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fltTransformScale.h
1 // Filename: fltTransformScale.h
2 // Created by: drose (30Aug00)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef FLTTRANSFORMSCALE_H
16 #define FLTTRANSFORMSCALE_H
17 
18 #include "pandatoolbase.h"
19 
20 #include "fltTransformRecord.h"
21 
22 ////////////////////////////////////////////////////////////////////
23 // Class : FltTransformScale
24 // Description : A transformation that applies a (possibly nonuniform)
25 // scale.
26 ////////////////////////////////////////////////////////////////////
28 public:
30 
31  void set(const LPoint3d &center, const LVecBase3 &scale);
32 
33  bool has_center() const;
34  const LPoint3d &get_center() const;
35  const LVecBase3 &get_scale() const;
36 
37 private:
38  void recompute_matrix();
39 
40  LPoint3d _center;
41  LVecBase3 _scale;
42 
43 protected:
44  virtual bool extract_record(FltRecordReader &reader);
45  virtual bool build_record(FltRecordWriter &writer) const;
46 
47 public:
48  virtual TypeHandle get_type() const {
49  return get_class_type();
50  }
51  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
52  static TypeHandle get_class_type() {
53  return _type_handle;
54  }
55  static void init_type() {
56  FltTransformRecord::init_type();
57  register_type(_type_handle, "FltTransformScale",
58  FltTransformRecord::get_class_type());
59  }
60 
61 private:
62  static TypeHandle _type_handle;
63 };
64 
65 #endif
A transformation that applies a (possibly nonuniform) scale.
This is the base class for all three-component vectors and points.
Definition: lvecBase3.h:105
This class writes a sequence of FltRecords to an ostream, handling opcode and size counts properly...
This class turns an istream into a sequence of FltRecords by reading a sequence of Datagrams and extr...
bool has_center() const
Returns true if the center is specified, false if it is not.
This is the first bead in the file, the top of the bead hierarchy, and the primary interface to readi...
Definition: fltHeader.h:48
void set(const LPoint3d &center, const LVecBase3 &scale)
Defines the scale.
This is a three-component point in space (as opposed to a three-component vector, which represents a ...
Definition: lpoint3.h:531
A base class for a number of types of ancillary records that follow beads and indicate some kind of a...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85