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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.
*
* FirstPersonManipulator code Copyright (C) 2010 PCJohn (Jan Peciva)
* while some pieces of code were taken from OSG.
* Thanks to company Cadwork (www.cadwork.ch) and
* Brno University of Technology (www.fit.vutbr.cz) for open-sourcing this work.
*/
#ifndef OSGGA_FIRST_PERSON_MANIPULATOR
#define OSGGA_FIRST_PERSON_MANIPULATOR 1
#include <osgGA/StandardManipulator>
namespace osgGA {
/** FirstPersonManipulator is base class for camera control based on position
and orientation of camera, like walk, drive, and flight manipulators. */
class OSGGA_EXPORT FirstPersonManipulator : public StandardManipulator
{
typedef StandardManipulator inherited;
public:
FirstPersonManipulator( int flags = DEFAULT_SETTINGS );
FirstPersonManipulator( const FirstPersonManipulator& fpm,
const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY );
META_Object( osgGA, FirstPersonManipulator );
virtual void setByMatrix( const osg::Matrixd& matrix );
virtual void setByInverseMatrix( const osg::Matrixd& matrix );
virtual osg::Matrixd getMatrix() const;
virtual osg::Matrixd getInverseMatrix() const;
virtual void setTransformation( const osg::Vec3d& eye, const osg::Quat& rotation );
virtual void setTransformation( const osg::Vec3d& eye, const osg::Vec3d& center, const osg::Vec3d& up );
virtual void getTransformation( osg::Vec3d& eye, osg::Quat& rotation ) const;
virtual void getTransformation( osg::Vec3d& eye, osg::Vec3d& center, osg::Vec3d& up ) const;
virtual void setVelocity( const double& velocity );
inline double getVelocity() const;
virtual void setAcceleration( const double& acceleration, bool relativeToModelSize = false );
double getAcceleration( bool *relativeToModelSize = NULL ) const;
virtual void setMaxVelocity( const double& maxVelocity, bool relativeToModelSize = false );
double getMaxVelocity( bool *relativeToModelSize = NULL ) const;
virtual void setWheelMovement( const double& wheelMovement, bool relativeToModelSize = false );
double getWheelMovement( bool *relativeToModelSize = NULL ) const;
virtual void home( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
virtual void home( double );
virtual void init( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
protected:
virtual bool handleMouseWheel( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
virtual bool performMovementLeftMouseButton( const double eventTimeDelta, const double dx, const double dy );
virtual bool performMouseDeltaMovement( const float dx, const float dy );
virtual void applyAnimationStep( const double currentProgress, const double prevProgress );
virtual bool startAnimationByMousePointerIntersection( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
void moveForward( const double distance );
void moveForward( const osg::Quat& rotation, const double distance );
void moveRight( const double distance );
void moveUp( const double distance );
osg::Vec3d _eye;
osg::Quat _rotation;
double _velocity;
double _acceleration;
static int _accelerationFlagIndex;
double _maxVelocity;
static int _maxVelocityFlagIndex;
double _wheelMovement;
static int _wheelMovementFlagIndex;
class FirstPersonAnimationData : public AnimationData {
public:
osg::Quat _startRot;
osg::Quat _targetRot;
void start( const osg::Quat& startRotation, const osg::Quat& targetRotation, const double startTime );
};
virtual void allocAnimationData() { _animationData = new FirstPersonAnimationData(); }
};
//
// inline methods
//
/// Returns velocity.
double FirstPersonManipulator::getVelocity() const { return _velocity; }
}
#endif /* OSGGA_FIRST_PERSON_MANIPULATOR */
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