root/OpenSceneGraph/trunk/include/osgSim/LightPointNode @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGSIM_LIGHTPOINTNODE
15#define OSGSIM_LIGHTPOINTNODE 1
16
17#include <osgSim/Export>
18#include <osgSim/LightPoint>
19#include <osgSim/LightPointSystem>
20
21#include <osg/Node>
22#include <osg/NodeVisitor>
23#include <osg/BoundingBox>
24#include <osg/Quat>
25#include <osg/Vec4>
26
27#include <vector>
28#include <set>
29
30namespace osgSim {
31
32
33class OSGSIM_EXPORT LightPointNode : public osg::Node
34{
35    public :
36
37        typedef std::vector< LightPoint > LightPointList;
38
39        LightPointNode();
40
41        /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
42        LightPointNode(const LightPointNode&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
43
44        META_Node(osgSim,LightPointNode);
45
46        virtual void traverse(osg::NodeVisitor& nv);
47
48
49        unsigned int getNumLightPoints() const { return _lightPointList.size(); }
50
51
52        unsigned int addLightPoint(const LightPoint& lp);
53
54        void removeLightPoint(unsigned int pos);
55
56
57        LightPoint& getLightPoint(unsigned int pos) { return _lightPointList[pos]; }
58
59        const LightPoint& getLightPoint(unsigned int pos) const { return _lightPointList[pos]; }
60
61
62        void setLightPointList(const LightPointList& lpl) { _lightPointList=lpl; }
63
64        LightPointList& getLightPointList() { return _lightPointList; }
65
66        const LightPointList& getLightPointList() const { return _lightPointList; }
67
68
69        void setMinPixelSize(float minPixelSize) { _minPixelSize = minPixelSize; }
70
71        float getMinPixelSize() const { return _minPixelSize; }
72
73        void setMaxPixelSize(float maxPixelSize) { _maxPixelSize = maxPixelSize; }
74
75        float getMaxPixelSize() const { return _maxPixelSize; }
76
77        void setMaxVisibleDistance2(float maxVisibleDistance2) { _maxVisibleDistance2 = maxVisibleDistance2; }
78
79        float getMaxVisibleDistance2() const { return _maxVisibleDistance2; }
80
81        void setLightPointSystem( osgSim::LightPointSystem* lps) { _lightSystem = lps; }
82
83        osgSim::LightPointSystem* getLightPointSystem() { return _lightSystem.get(); }
84        const osgSim::LightPointSystem* getLightPointSystem() const { return _lightSystem.get(); }
85
86        void setPointSprite(bool enable=true) { _pointSprites = enable; }
87
88        bool getPointSprite() const { return _pointSprites; }
89
90        virtual osg::BoundingSphere computeBound() const;
91
92    protected:
93
94        ~LightPointNode() {}
95
96        // used to cache the bouding box of the lightpoints as a tighter
97        // view frustum check.
98        mutable osg::BoundingBox _bbox;
99
100        LightPointList  _lightPointList;
101
102        float _minPixelSize;
103        float _maxPixelSize;
104        float _maxVisibleDistance2;
105
106        osg::ref_ptr<osgSim::LightPointSystem> _lightSystem;
107
108        bool _pointSprites;
109
110};
111
112}
113
114#endif
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