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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_RAYTRACEDTECHNIQUE
#define OSGVOLUME_RAYTRACEDTECHNIQUE 1
#include <osgVolume/VolumeTechnique>
#include <osg/MatrixTransform>
namespace osgVolume {
class OSGVOLUME_EXPORT RayTracedTechnique : public VolumeTechnique
{
public:
RayTracedTechnique();
RayTracedTechnique(const RayTracedTechnique&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgVolume, RayTracedTechnique);
virtual void init();
virtual void update(osgUtil::UpdateVisitor* nv);
virtual void cull(osgUtil::CullVisitor* nv);
/** Clean scene graph from any terrain technique specific nodes.*/
virtual void cleanSceneGraph();
/** Traverse the terrain subgraph.*/
virtual void traverse(osg::NodeVisitor& nv);
protected:
virtual ~RayTracedTechnique();
osg::ref_ptr<osg::MatrixTransform> _transform;
typedef std::map<osgUtil::CullVisitor::Identifier*, osg::Matrix> ModelViewMatrixMap;
OpenThreads::Mutex _mutex;
ModelViewMatrixMap _modelViewMatrixMap;
osg::ref_ptr<osg::StateSet> _whenMovingStateSet;
};
}
#endif
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