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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 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 OSGVOLUME_FIXEDFUNCTIONTECHNIQUE
#define OSGVOLUME_FIXEDFUNCTIONTECHNIQUE 1
#include <osgVolume/VolumeTechnique>
namespace osgVolume {
class OSGVOLUME_EXPORT FixedFunctionTechnique : public VolumeTechnique
{
public:
FixedFunctionTechnique();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
FixedFunctionTechnique(const FixedFunctionTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgVolume, FixedFunctionTechnique);
virtual void init();
virtual void update(osgUtil::UpdateVisitor* nv);
virtual void cull(osgUtil::CullVisitor* nv);
void setNumSlices(unsigned int numSlices);
unsigned int getNumSlices() const { return _numSlices; }
/** Clean scene graph from any terrain technique specific nodes.*/
virtual void cleanSceneGraph();
/** Traverse the terrain subgraph.*/
virtual void traverse(osg::NodeVisitor& nv);
protected:
virtual ~FixedFunctionTechnique();
osg::ref_ptr<osg::Node> _node;
unsigned int _numSlices;
};
}
#endif
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