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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 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 OSGGA_TERRAIN_MANIPULATOR
#define OSGGA_TERRAIN_MANIPULATOR 1
#include <osgGA/OrbitManipulator>
namespace osgGA {
class OSGGA_EXPORT TerrainManipulator : public OrbitManipulator
{
typedef OrbitManipulator inherited;
public:
TerrainManipulator( int flags = DEFAULT_SETTINGS );
TerrainManipulator( const TerrainManipulator& tm,
const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY );
META_Object( osgGA, TerrainManipulator );
enum RotationMode
{
ELEVATION_AZIM_ROLL,
ELEVATION_AZIM
};
virtual void setRotationMode(RotationMode mode);
RotationMode getRotationMode() const;
virtual void setByMatrix( const osg::Matrixd& matrix );
virtual void setTransformation( const osg::Vec3d& eye, const osg::Vec3d& center, const osg::Vec3d& up );
virtual void setNode( osg::Node* node );
protected:
virtual bool performMovementMiddleMouseButton( const double eventTimeDelta, const double dx, const double dy );
virtual bool performMovementRightMouseButton( const double eventTimeDelta, const double dx, const double dy );
bool intersect( const osg::Vec3d& start, const osg::Vec3d& end, osg::Vec3d& intersection ) const;
void clampOrientation();
osg::Vec3d _previousUp;
};
}
#endif /* OSGGA_TERRAIN_MANIPULATOR */
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