Inheritance:
Public Methods
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TrackballManipulator()
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virtual const char* className() const
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virtual void setByMatrix(const osg::Matrixd& matrix)
- set the position of the matrix manipulator using a 4x4 Matrix
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virtual void setByInverseMatrix(const osg::Matrixd& matrix)
- set the position of the matrix manipulator using a 4x4 Matrix
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virtual osg::Matrixd getMatrix() const
- get the position of the manipulator as 4x4 Matrix
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virtual osg::Matrixd getInverseMatrix() const
- get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix
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virtual osgUtil::SceneView::FusionDistanceMode getFusionDistanceMode() const
- Get the FusionDistanceMode.
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virtual float getFusionDistanceValue() const
- Get the FusionDistanceValue.
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virtual void setNode(osg::Node*)
- Attach a node to the manipulator.
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virtual const osg::Node* getNode() const
- Return node if attached
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virtual osg::Node* getNode()
- Return node if attached
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virtual void home(const GUIEventAdapter& ea, GUIActionAdapter& us)
- Move the camera to the default position.
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virtual void init(const GUIEventAdapter& ea, GUIActionAdapter& us)
- Start/restart the manipulator
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virtual bool handle(const GUIEventAdapter& ea, GUIActionAdapter& us)
- handle events, return true if handled, false otherwise
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virtual void getUsage(osg::ApplicationUsage& usage) const
- Get the keyboard and mouse usage of this manipulator
Protected Fields
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osg::ref_ptr<const GUIEventAdapter> _ga_t1
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osg::ref_ptr<const GUIEventAdapter> _ga_t0
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osg::ref_ptr<osg::Node> _node
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float _modelScale
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float _minimumZoomScale
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bool _thrown
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osg::Vec3 _center
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osg::Quat _rotation
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float _distance
Protected Methods
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virtual ~TrackballManipulator()
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void flushMouseEventStack()
- Reset the internal GUIEvent stack
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void addMouseEvent(const GUIEventAdapter& ea)
- Add the current mouse GUIEvent to internal stack
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void computePosition(const osg::Vec3& eye, const osg::Vec3& lv, const osg::Vec3& up)
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bool calcMovement()
- For the give mouse movement calculate the movement of the camera.
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void trackball(osg::Vec3& axis, float& angle, float p1x, float p1y, float p2x, float p2y)
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float tb_project_to_sphere(float r, float x, float y)
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bool isMouseMoving()
- Check the speed at which the mouse is moving.
Public Methods
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virtual void accept(GUIEventHandlerVisitor& v)
Public Methods
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META_Object (osgGA, GUIEventHandler) const () const
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virtual CompositeGUIEventHandler* getComposite()
Documentation
TrackballManipulator()
virtual const char* className() const
virtual void setByMatrix(const osg::Matrixd& matrix)
- set the position of the matrix manipulator using a 4x4 Matrix
virtual void setByInverseMatrix(const osg::Matrixd& matrix)
- set the position of the matrix manipulator using a 4x4 Matrix
virtual osg::Matrixd getMatrix() const
- get the position of the manipulator as 4x4 Matrix
virtual osg::Matrixd getInverseMatrix() const
- get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix
virtual osgUtil::SceneView::FusionDistanceMode getFusionDistanceMode() const
- Get the FusionDistanceMode. Used by SceneView for setting up setereo convergence.
virtual float getFusionDistanceValue() const
- Get the FusionDistanceValue. Used by SceneView for setting up setereo convergence.
virtual void setNode(osg::Node*)
- Attach a node to the manipulator.
Automatically detaches previously attached node.
setNode(NULL) detaches previously nodes.
Is ignored by manipulators which do not require a reference model.
virtual const osg::Node* getNode() const
- Return node if attached
virtual osg::Node* getNode()
- Return node if attached
virtual void home(const GUIEventAdapter& ea, GUIActionAdapter& us)
- Move the camera to the default position.
May be ignored by manipulators if home functionality is not appropriate.
virtual void init(const GUIEventAdapter& ea, GUIActionAdapter& us)
- Start/restart the manipulator
virtual bool handle(const GUIEventAdapter& ea, GUIActionAdapter& us)
- handle events, return true if handled, false otherwise
virtual void getUsage(osg::ApplicationUsage& usage) const
- Get the keyboard and mouse usage of this manipulator
virtual ~TrackballManipulator()
void flushMouseEventStack()
- Reset the internal GUIEvent stack
void addMouseEvent(const GUIEventAdapter& ea)
- Add the current mouse GUIEvent to internal stack
void computePosition(const osg::Vec3& eye, const osg::Vec3& lv, const osg::Vec3& up)
bool calcMovement()
- For the give mouse movement calculate the movement of the camera.
Return true is camera has moved and a redraw is required.
void trackball(osg::Vec3& axis, float& angle, float p1x, float p1y, float p2x, float p2y)
float tb_project_to_sphere(float r, float x, float y)
bool isMouseMoving()
- Check the speed at which the mouse is moving.
If speed is below a threshold then return false, otherwise return true.
osg::ref_ptr<const GUIEventAdapter> _ga_t1
osg::ref_ptr<const GUIEventAdapter> _ga_t0
osg::ref_ptr<osg::Node> _node
float _modelScale
float _minimumZoomScale
bool _thrown
osg::Vec3 _center
osg::Quat _rotation
float _distance
- This class has no child classes.
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