OpenSceneGraph/include/osgUtil/TriStripVisitor

87 lines
2.4 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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 OSGUTIL_TRISTRIPVISITOR
#define OSGUTIL_TRISTRIPVISITOR 1
#include <osg/NodeVisitor>
#include <osg/Geode>
#include <osg/Geometry>
#include <osgUtil/Export>
namespace osgUtil {
/** A tri stripping visitor for converting Geometry surface primitives into tri strips.
* The current implemention is based up Tanguy Fautre's triangulation code.
*/
class OSGUTIL_EXPORT TriStripVisitor : public osg::NodeVisitor
{
public:
/// default to traversing all children.
TriStripVisitor() :
osg::NodeVisitor( osg::NodeVisitor::TRAVERSE_ALL_CHILDREN ),
_cacheSize( 24 ),
_minStripSize( 0 )
{}
/** Convert mesh primitives in Geometry into Tri Strips.
* Converts all primitive types except points
* and lines, linestrips which it leaves unchanged.
*/
void stripify(osg::Geometry& drawable);
/// apply stripify method to all geode geometry.
virtual void apply(osg::Geode& geode);
inline void setCacheSize( unsigned int size )
{
_cacheSize = size;
}
inline unsigned int getCacheSize()
{
return _cacheSize;
}
inline const unsigned int getCacheSize() const
{
return _cacheSize;
}
inline void setMinStripSize( unsigned int size )
{
_minStripSize = size;
}
inline unsigned int getMinStripSize()
{
return _minStripSize;
}
inline const unsigned int getMinStripSize() const
{
return _minStripSize;
}
private:
unsigned int _cacheSize;
unsigned int _minStripSize;
};
}
#endif