Panda3D

lineSegs.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 lineSegs.h
10 * @author drose
11 * @date 2002-03-16
12 */
13
14 #ifndef LINESEGS_H
15 #define LINESEGS_H
16
17 #include "pandabase.h"
18
19 #include "luse.h"
20 #include "geom.h"
21 #include "geomNode.h"
22 #include "geomVertexData.h"
23 #include "namable.h"
24
25 #include "pvector.h"
26
27 /**
28 * Encapsulates creation of a series of connected or disconnected line
29 * segments or points, for drawing paths or rays. This class doesn't attempt
30 * to be the smartest it could possibly be; it's intended primarily as a
31 * visualization and editing tool.
32 */
33 class EXPCL_PANDA_GRUTIL LineSegs : public Namable {
34 PUBLISHED:
35 explicit LineSegs(const std::string &name = "lines");
36 ~LineSegs();
37
38 void reset();
39 INLINE void set_color(PN_stdfloat r, PN_stdfloat g, PN_stdfloat b, PN_stdfloat a = 1.0f);
40 INLINE void set_color(const LColor &color);
41 INLINE void set_thickness(PN_stdfloat thick);
42
43 INLINE void move_to(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
44 void move_to(const LVecBase3 &v);
45
46 INLINE void draw_to(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
47 void draw_to(const LVecBase3 &v);
48
49 const LVertex &get_current_position();
50 bool is_empty();
51
52 INLINE GeomNode *create(bool dynamic = false);
53 GeomNode *create(GeomNode *previous, bool dynamic = false);
54
55 // Functions to move the line vertices after they have been created.
56 INLINE int get_num_vertices() const;
57 LVertex get_vertex(int n) const;
58 MAKE_SEQ(get_vertices, get_num_vertices, get_vertex);
59 void set_vertex(int n, const LVertex &vert);
60 INLINE void set_vertex(int vertex, PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
61
62 LColor get_vertex_color(int vertex) const;
63 MAKE_SEQ(get_vertex_colors, get_num_vertices, get_vertex_color);
64 void set_vertex_color(int vertex, const LColor &c);
65 INLINE void set_vertex_color(int vertex, PN_stdfloat r, PN_stdfloat g, PN_stdfloat b, PN_stdfloat a = 1.0f);
66
67 private:
68 class Point {
69 public:
70 INLINE Point();
71 INLINE Point(const LVecBase3 &point, const LColor &color);
72 INLINE Point(const Point &copy);
73 INLINE void operator = (const Point &copy);
74
75 LVertex _point;
76 UnalignedLVecBase4 _color;
77 };
78
79 typedef pvector<Point> SegmentList;
80 typedef pvector<SegmentList> LineList;
81
82 LineList _list;
83 LColor _color;
84 PN_stdfloat _thick;
85
86 PT(GeomVertexData) _created_data;
87 };
88
89 #include "lineSegs.I"
90
91 #endif
GeomNode
A node that holds Geom objects, renderable pieces of geometry.
Definition: geomNode.h:34
GeomVertexData
This defines the actual numeric vertex data stored in a Geom, in the structure defined by a particula...
Definition: geomVertexData.h:68
LineSegs
Encapsulates creation of a series of connected or disconnected line segments or points,...
Definition: lineSegs.h:33
Namable
A base class for all things which can have a name.
Definition: namable.h:26
pvector
This is our own Panda specialization on the default STL vector.
Definition: pvector.h:42
geomNode.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
geomVertexData.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
geom.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
lineSegs.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
luse.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
namable.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pvector.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.