12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
62 lines
1.8 KiB
Plaintext
62 lines
1.8 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGUTIL_INSERTIMPOSTORSVISITOR
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#define OSGUTIL_INSERTIMPOSTORSVISITOR
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#include <osg/NodeVisitor>
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#include <osg/Impostor>
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#include <osgUtil/Export>
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namespace osgUtil {
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/** Insert impostor nodes into scene graph.
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* For example of usage see src/Demos/osgimpostor.
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*/
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class OSGUTIL_EXPORT InsertImpostorsVisitor : public osg::NodeVisitor
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{
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public:
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/// default to traversing all children.
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InsertImpostorsVisitor();
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void setImpostorThresholdRatio(float ratio) { _impostorThresholdRatio = ratio; }
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float getImpostorThresholdRatio() const { return _impostorThresholdRatio; }
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void setMaximumNumberOfNestedImpostors(unsigned int num) { _maximumNumNestedImpostors = num; }
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unsigned int getMaximumNumberOfNestedImpostors() const { return _maximumNumNestedImpostors; }
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/** empty visitor, make it ready for next traversal.*/
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void reset();
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virtual void apply(osg::Node& node);
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virtual void apply(osg::Group& node);
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virtual void apply(osg::LOD& node);
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virtual void apply(osg::Impostor& node);
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/* insert the required impostors into the scene graph.*/
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void insertImpostors();
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protected:
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typedef std::vector< osg::Group* > GroupList;
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typedef std::vector< osg::LOD* > LODList;
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GroupList _groupList;
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LODList _lodList;
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float _impostorThresholdRatio;
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unsigned int _maximumNumNestedImpostors;
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unsigned int _numNestedImpostors;
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};
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}
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#endif
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