DYT/Tool/OpenSceneGraph-3.6.5/include/osgEarth/ClampableNode

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2024-12-24 23:49:36 +00:00
/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
* Copyright 2008-2011 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_CLAMPABLE_NODE_H
#define OSGEARTH_CLAMPABLE_NODE_H 1
#include <osgEarth/Common>
#include <osg/Group>
#include <osg/observer_ptr>
namespace osgEarth
{
class MapNode;
/**
* Node graph that will be GPU-clamped on the terrain, if supported.
* This group must be a descendant of a MapNode.
*/
class OSGEARTH_EXPORT ClampableNode : public osg::Group
{
public:
//! Constructs a new clampable node.
ClampableNode();
public: // osg::Node
virtual void traverse(osg::NodeVisitor& nv);
protected:
void setUniforms();
void dirty();
bool _mapNodeUpdateRequested;
osg::observer_ptr<MapNode> _mapNode;
virtual ~ClampableNode() { }
};
} // namespace osgEarth
#endif // OSGEARTH_CLAMPABLE_NODE_H