113 lines
4.6 KiB
C++
113 lines
4.6 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*
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* FirstPersonManipulator code Copyright (C) 2010 PCJohn (Jan Peciva)
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* while some pieces of code were taken from OSG.
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* Thanks to company Cadwork (www.cadwork.ch) and
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* Brno University of Technology (www.fit.vutbr.cz) for open-sourcing this work.
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*/
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#ifndef OSGGA_FIRST_PERSON_MANIPULATOR
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#define OSGGA_FIRST_PERSON_MANIPULATOR 1
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#include <osgGA/StandardManipulator>
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namespace osgGA {
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/** FirstPersonManipulator is base class for camera control based on position
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and orientation of camera, like walk, drive, and flight manipulators. */
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class OSGGA_EXPORT FirstPersonManipulator : public StandardManipulator
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{
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typedef StandardManipulator inherited;
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public:
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FirstPersonManipulator( int flags = DEFAULT_SETTINGS );
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FirstPersonManipulator( const FirstPersonManipulator& fpm,
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const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY );
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META_Object( osgGA, FirstPersonManipulator );
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virtual void setByMatrix( const osg::Matrixd& matrix );
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virtual void setByInverseMatrix( const osg::Matrixd& matrix );
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virtual osg::Matrixd getMatrix() const;
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virtual osg::Matrixd getInverseMatrix() const;
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virtual void setTransformation( const osg::Vec3d& eye, const osg::Quat& rotation );
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virtual void setTransformation( const osg::Vec3d& eye, const osg::Vec3d& center, const osg::Vec3d& up );
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virtual void getTransformation( osg::Vec3d& eye, osg::Quat& rotation ) const;
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virtual void getTransformation( osg::Vec3d& eye, osg::Vec3d& center, osg::Vec3d& up ) const;
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virtual void setVelocity( const double& velocity );
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inline double getVelocity() const;
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virtual void setAcceleration( const double& acceleration, bool relativeToModelSize = false );
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double getAcceleration( bool *relativeToModelSize = NULL ) const;
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virtual void setMaxVelocity( const double& maxVelocity, bool relativeToModelSize = false );
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double getMaxVelocity( bool *relativeToModelSize = NULL ) const;
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virtual void setWheelMovement( const double& wheelMovement, bool relativeToModelSize = false );
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double getWheelMovement( bool *relativeToModelSize = NULL ) const;
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virtual void home( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
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virtual void home( double );
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virtual void init( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
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protected:
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virtual bool handleMouseWheel( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
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virtual bool performMovementLeftMouseButton( const double eventTimeDelta, const double dx, const double dy );
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virtual bool performMouseDeltaMovement( const float dx, const float dy );
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virtual void applyAnimationStep( const double currentProgress, const double prevProgress );
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virtual bool startAnimationByMousePointerIntersection( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us );
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void moveForward( const double distance );
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void moveForward( const osg::Quat& rotation, const double distance );
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void moveRight( const double distance );
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void moveUp( const double distance );
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osg::Vec3d _eye;
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osg::Quat _rotation;
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double _velocity;
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double _acceleration;
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static int _accelerationFlagIndex;
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double _maxVelocity;
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static int _maxVelocityFlagIndex;
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double _wheelMovement;
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static int _wheelMovementFlagIndex;
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class FirstPersonAnimationData : public AnimationData {
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public:
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osg::Quat _startRot;
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osg::Quat _targetRot;
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void start( const osg::Quat& startRotation, const osg::Quat& targetRotation, const double startTime );
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};
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virtual void allocAnimationData() { _animationData = new FirstPersonAnimationData(); }
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};
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//
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// inline methods
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//
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/// Returns velocity.
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double FirstPersonManipulator::getVelocity() const { return _velocity; }
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}
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#endif /* OSGGA_FIRST_PERSON_MANIPULATOR */
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