Panda3D

fltCurve.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 fltCurve.h
10 * @author drose
11 * @date 2001-02-28
12 */
13
14 #ifndef FLTCURVE_H
15 #define FLTCURVE_H
16
17 #include "pandatoolbase.h"
18
19 #include "fltBeadID.h"
20 #include "fltHeader.h"
21
22 #include "luse.h"
23
24 /**
25 * A single curve, like a Bezier or B-Spline.
26 */
27 class FltCurve : public FltBeadID {
28 public:
29 FltCurve(FltHeader *header);
30
31 enum CurveType {
32 CT_b_spline = 4,
33 CT_cardinal = 5,
34 CT_bezier = 6
35 };
36
37 typedef pvector<LPoint3d> ControlPoints;
38
39 CurveType _curve_type;
40 ControlPoints _control_points;
41
42 public:
43 INLINE int get_num_control_points() const;
44 INLINE const LPoint3d &get_control_point(int n) const;
45
46
47 protected:
48 virtual bool extract_record(FltRecordReader &reader);
49 virtual bool build_record(FltRecordWriter &writer) const;
50
51 public:
52 virtual TypeHandle get_type() const {
53 return get_class_type();
54 }
55 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
56 static TypeHandle get_class_type() {
57 return _type_handle;
58 }
59 static void init_type() {
60 FltBeadID::init_type();
61 register_type(_type_handle, "FltCurve",
62 FltBeadID::get_class_type());
63 }
64
65 private:
66 static TypeHandle _type_handle;
67 };
68
69 #include "fltCurve.I"
70
71 #endif
FltBeadID
A base class for any of a broad family of flt beads that include an ID.
Definition: fltBeadID.h:24
FltCurve
A single curve, like a Bezier or B-Spline.
Definition: fltCurve.h:27
FltCurve::get_control_point
const LPoint3d & get_control_point(int n) const
Returns the nth control point assigned to the curve.
Definition: fltCurve.I:26
FltCurve::get_num_control_points
int get_num_control_points() const
Returns the number of control points assigned to the curve.
Definition: fltCurve.I:18
FltHeader
This is the first bead in the file, the top of the bead hierarchy, and the primary interface to readi...
Definition: fltHeader.h:44
FltRecordReader
This class turns an istream into a sequence of FltRecords by reading a sequence of Datagrams and extr...
Definition: fltRecordReader.h:30
FltRecordWriter
This class writes a sequence of FltRecords to an ostream, handling opcode and size counts properly.
Definition: fltRecordWriter.h:31
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
pvector< LPoint3d >
fltBeadID.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
fltCurve.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
fltHeader.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
luse.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandatoolbase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
register_type
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