Panda3D

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geomPoints.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 geomPoints.h
10 * @author drose
11 * @date 2005-03-22
12 */
13
14#ifndef GEOMPOINTS_H
15#define GEOMPOINTS_H
16
17#include "pandabase.h"
18#include "geomPrimitive.h"
19
20/**
21 * Defines a series of disconnected points.
22 */
23 class EXPCL_PANDA_GOBJ GeomPoints : public GeomPrimitive {
24PUBLISHED:
25 explicit GeomPoints(UsageHint usage_hint);
26 GeomPoints(const GeomPoints &copy);
27 virtual ~GeomPoints();
28 ALLOC_DELETED_CHAIN(GeomPoints);
29
30 public:
31 virtual PT(GeomPrimitive) make_copy() const;
32 virtual PrimitiveType get_primitive_type() const;
33 virtual int get_geom_rendering() const;
34
35 virtual int get_num_vertices_per_primitive() const;
36 virtual int get_min_num_vertices_per_primitive() const;
37
38 public:
39 virtual bool draw(GraphicsStateGuardianBase *gsg,
40 const GeomPrimitivePipelineReader *reader,
41 bool force) const;
42
43 public:
44 static void register_with_read_factory();
45
46 protected:
47 static TypedWritable *make_from_bam(const FactoryParams &params);
48
49 public:
50 static TypeHandle get_class_type() {
51 return _type_handle;
52 }
53 static void init_type() {
54 GeomPrimitive::init_type();
55 register_type(_type_handle, "GeomPoints",
56 GeomPrimitive::get_class_type());
57 }
58 virtual TypeHandle get_type() const {
59 return get_class_type();
60 }
61 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
62
63 private:
64 static TypeHandle _type_handle;
65
66 friend class Geom;
67};
68
69#endif
FactoryParams
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition factoryParams.h:36
GeomPoints::register_with_read_factory
static void register_with_read_factory()
Tells the BamReader how to create objects of type Geom.
Definition geomPoints.cxx:118
GeomPoints::draw
virtual bool draw(GraphicsStateGuardianBase *gsg, const GeomPrimitivePipelineReader *reader, bool force) const
Calls the appropriate method on the GSG to draw the primitive.
Definition geomPoints.cxx:109
GeomPoints::get_primitive_type
virtual PrimitiveType get_primitive_type() const
Returns the fundamental rendering type of this primitive: whether it is points, lines,...
Definition geomPoints.cxx:64
GeomPrimitive::get_min_num_vertices_per_primitive
get_min_num_vertices_per_primitive
Returns the minimum number of vertices that must be added before close_primitive() may legally be cal...
Definition geomPrimitive.h:195
GeomPrimitive::get_geom_rendering
get_geom_rendering
Returns the set of GeomRendering bits that represent the rendering properties required to properly re...
Definition geomPrimitive.h:73
GeomPrimitive::get_num_vertices_per_primitive
get_num_vertices_per_primitive
If the primitive type is a simple type in which all primitives have the same number of vertices,...
Definition geomPrimitive.h:194
GraphicsStateGuardianBase
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
Definition graphicsStateGuardianBase.h:110
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
TypedWritable
Base class for objects that can be written to and read from Bam files.
Definition typedWritable.h:35
geomPrimitive.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.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