/usr/include/osgSim/InsertImpostorsVisitor is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGSIM_INSERTIMPOSTORSVISITOR
#define OSGSIM_INSERTIMPOSTORSVISITOR
#include <osg/NodeVisitor>
#include <osgSim/Impostor>
namespace osgSim {
/** Insert impostor nodes into scene graph.
* For example of usage see examples/osgimpostor.
*/
class OSGSIM_EXPORT InsertImpostorsVisitor : public osg::NodeVisitor
{
public:
/** Default to traversing all children. */
InsertImpostorsVisitor();
META_NodeVisitor(osgSim, InsertImpostorsVisitor)
void setImpostorThresholdRatio(float ratio) { _impostorThresholdRatio = ratio; }
float getImpostorThresholdRatio() const { return _impostorThresholdRatio; }
void setMaximumNumberOfNestedImpostors(unsigned int num) { _maximumNumNestedImpostors = num; }
unsigned int getMaximumNumberOfNestedImpostors() const { return _maximumNumNestedImpostors; }
/** Empty visitor, make it ready for next traversal. */
void reset();
virtual void apply(osg::Node& node);
virtual void apply(osg::Group& node);
virtual void apply(osg::LOD& node);
/* Insert the required impostors into the scene graph. */
void insertImpostors();
protected:
typedef std::vector< osg::Group* > GroupList;
typedef std::vector< osg::LOD* > LODList;
GroupList _groupList;
LODList _lodList;
float _impostorThresholdRatio;
unsigned int _maximumNumNestedImpostors;
unsigned int _numNestedImpostors;
};
}
#endif
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