Panda3D
geomLines.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 geomLines.h
10 * @author drose
11 * @date 2005-03-22
12 */
13
14#ifndef GEOMLINES_H
15#define GEOMLINES_H
16
17#include "pandabase.h"
18#include "geomPrimitive.h"
19
20/**
21 * Defines a series of disconnected line segments.
22 */
23class EXPCL_PANDA_GOBJ GeomLines : public GeomPrimitive {
24PUBLISHED:
25 explicit GeomLines(UsageHint usage_hint);
26 GeomLines(const GeomLines &copy);
27 virtual ~GeomLines();
28 ALLOC_DELETED_CHAIN(GeomLines);
29
30public:
31 virtual PT(GeomPrimitive) make_copy() const;
32 virtual PrimitiveType get_primitive_type() const;
33
34 CPT(GeomPrimitive) make_adjacency() const;
35
36 virtual int get_num_vertices_per_primitive() const;
37 virtual int get_min_num_vertices_per_primitive() const;
38
39public:
40 virtual bool draw(GraphicsStateGuardianBase *gsg,
41 const GeomPrimitivePipelineReader *reader,
42 bool force) const;
43
44protected:
45 virtual CPT(GeomVertexArrayData) rotate_impl() const;
46
47public:
48 static void register_with_read_factory();
49
50protected:
51 static TypedWritable *make_from_bam(const FactoryParams &params);
52
53public:
54 static TypeHandle get_class_type() {
55 return _type_handle;
56 }
57 static void init_type() {
58 GeomPrimitive::init_type();
59 register_type(_type_handle, "GeomLines",
60 GeomPrimitive::get_class_type());
61 }
62 virtual TypeHandle get_type() const {
63 return get_class_type();
64 }
65 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
66
67private:
68 static TypeHandle _type_handle;
69
70 friend class Geom;
71};
72
73#endif
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:36
Defines a series of disconnected line segments.
Definition: geomLines.h:23
Encapsulates the data from a GeomPrimitive, pre-fetched for one stage of the pipeline.
This is an abstract base class for a family of classes that represent the fundamental geometry primit...
Definition: geomPrimitive.h:56
get_min_num_vertices_per_primitive
Returns the minimum number of vertices that must be added before close_primitive() may legally be cal...
get_num_vertices_per_primitive
If the primitive type is a simple type in which all primitives have the same number of vertices,...
This is the data for one array of a GeomVertexData structure.
A container for geometry primitives.
Definition: geom.h:54
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:35
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