flightgear/utils/fgviewer/HLACameraManipulator.hxx
2022-10-20 20:29:11 +08:00

65 lines
2.4 KiB
C++

// Copyright (C) 2009 - 2012 Mathias Froehlich
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _HLACameraManipulator_hxx
#define _HLACameraManipulator_hxx
#include <osgGA/CameraManipulator>
#include <simgear/scene/util/OsgMath.hxx>
#include "HLAPerspectiveViewer.hxx"
namespace fgviewer {
class Viewer;
class HLACameraManipulator : public osgGA::CameraManipulator {
public:
HLACameraManipulator(HLAPerspectiveViewer* perspectiveViewer = 0);
HLACameraManipulator(const HLACameraManipulator& cameraManipulator, const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY);
virtual ~HLACameraManipulator();
META_Object(fgviewer, HLACameraManipulator);
virtual void setByMatrix(const osg::Matrixd& matrix);
virtual void setByInverseMatrix(const osg::Matrixd& matrix);
virtual osg::Matrixd getMatrix() const;
virtual osg::Matrixd getInverseMatrix() const;
/** Handle events, return true if handled, false otherwise. */
virtual bool handle(const osgGA::GUIEventAdapter& eventAdapter, osgGA::GUIActionAdapter& actionAdapter);
protected:
bool _handle(const osgGA::GUIEventAdapter& eventAdapter, Viewer& viewer);
void _handleFrameEvent(osgGA::GUIActionAdapter& actionAdapter);
bool _handleKeyDownEvent(const osgGA::GUIEventAdapter& eventAdapter, Viewer& viewer);
bool _handleKeyUpEvent(const osgGA::GUIEventAdapter& eventAdapter, Viewer& viewer);
void _incrementEyePosition(const SGVec3d& offset);
void _resetView();
void _rotateView(const osg::Vec2& inc);
void _rotateSun(const osg::Vec2& inc, Viewer& viewer);
private:
osg::Matrixd _viewMatrix;
osg::Matrixd _inverseViewMatrix;
osg::Vec2 _lastMousePos;
SGSharedPtr<HLAPerspectiveViewer> _perspectiveViewer;
};
} // namespace fgviewer
#endif