Public Member Functions | |
| TrackballManipulator () | |
| virtual const char * | className () const |
| return the name of the object's class type. | |
| 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. | |
| virtual float | getFusionDistanceValue () const |
| Get the FusionDistanceValue. | |
| virtual void | setNode (osg::Node *) |
| Attach a node to the manipulator. | |
| 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. | |
| virtual void | home (double) |
| Move the camera to the default position. | |
| 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. | |
| void | setMinimumZoomScale (double minimumZoomScale) |
| set the minimum distance (as ratio) the eye point can be zoomed in towards the center before the center is pushed forward. | |
| double | getMinimumZoomScale () const |
| get the minimum distance (as ratio) the eye point can be zoomed in | |
| void | setCenter (const osg::Vec3d ¢er) |
| Set the center of the trackball. | |
| const osg::Vec3d & | getCenter () const |
| Get the center of the trackball. | |
| void | setRotation (const osg::Quat &rotation) |
| Set the rotation of the trackball. | |
| const osg::Quat & | getRotation () const |
| Get the rotation of the trackball. | |
| void | setDistance (double distance) |
| Set the distance of the trackball. | |
| double | getDistance () const |
| Get the distance of the trackball. | |
| void | setTrackballSize (float size) |
| Set the size of the trackball. | |
| float | getTrackballSize () const |
| Get the size of the trackball. | |
Protected Member Functions | |
| 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. | |
| 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. | |
Protected Attributes | |
| osg::ref_ptr< const GUIEventAdapter > | _ga_t1 |
| osg::ref_ptr< const GUIEventAdapter > | _ga_t0 |
| osg::ref_ptr< osg::Node > | _node |
| double | _modelScale |
| double | _minimumZoomScale |
| bool | _thrown |
| osg::Vec3d | _center |
| osg::Quat | _rotation |
| double | _distance |
| float | _trackballSize |
| osgGA::TrackballManipulator::TrackballManipulator | ( | ) |
| virtual osgGA::TrackballManipulator::~TrackballManipulator | ( | ) | [protected, virtual] |
| virtual const char* osgGA::TrackballManipulator::className | ( | ) | const [inline, virtual] |
return the name of the object's class type.
Must be defined by derived classes.
Reimplemented from osgGA::MatrixManipulator.
| virtual void osgGA::TrackballManipulator::setByMatrix | ( | const osg::Matrixd & | matrix | ) | [virtual] |
| virtual void osgGA::TrackballManipulator::setByInverseMatrix | ( | const osg::Matrixd & | matrix | ) | [inline, virtual] |
| virtual osg::Matrixd osgGA::TrackballManipulator::getMatrix | ( | ) | const [virtual] |
| virtual osg::Matrixd osgGA::TrackballManipulator::getInverseMatrix | ( | ) | const [virtual] |
get the position of the manipulator as a inverse matrix of the manipulator, typically used as a model view matrix.
Implements osgGA::MatrixManipulator.
| virtual osgUtil::SceneView::FusionDistanceMode osgGA::TrackballManipulator::getFusionDistanceMode | ( | ) | const [inline, virtual] |
Get the FusionDistanceMode.
Used by SceneView for setting up setereo convergence.
Reimplemented from osgGA::MatrixManipulator.
| virtual float osgGA::TrackballManipulator::getFusionDistanceValue | ( | ) | const [inline, virtual] |
Get the FusionDistanceValue.
Used by SceneView for setting up setereo convergence.
Reimplemented from osgGA::MatrixManipulator.
| virtual void osgGA::TrackballManipulator::setNode | ( | osg::Node * | ) | [virtual] |
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.
Reimplemented from osgGA::MatrixManipulator.
| virtual const osg::Node* osgGA::TrackballManipulator::getNode | ( | ) | const [virtual] |
| virtual osg::Node* osgGA::TrackballManipulator::getNode | ( | ) | [virtual] |
| virtual void osgGA::TrackballManipulator::home | ( | const GUIEventAdapter & | ea, | |
| GUIActionAdapter & | us | |||
| ) | [virtual] |
Move the camera to the default position.
May be ignored by manipulators if home functionality is not appropriate.
Reimplemented from osgGA::MatrixManipulator.
| virtual void osgGA::TrackballManipulator::home | ( | double | ) | [virtual] |
Move the camera to the default position.
This version does not require GUIEventAdapter and GUIActionAdapter so may be called from somewhere other than a handle() method in GUIEventHandler. Application must be aware of implications.
Reimplemented from osgGA::MatrixManipulator.
| virtual void osgGA::TrackballManipulator::init | ( | const GUIEventAdapter & | ea, | |
| GUIActionAdapter & | us | |||
| ) | [virtual] |
| virtual bool osgGA::TrackballManipulator::handle | ( | const GUIEventAdapter & | ea, | |
| GUIActionAdapter & | us | |||
| ) | [virtual] |
handle events, return true if handled, false otherwise.
Reimplemented from osgGA::MatrixManipulator.
| virtual void osgGA::TrackballManipulator::getUsage | ( | osg::ApplicationUsage & | usage | ) | const [virtual] |
| void osgGA::TrackballManipulator::setMinimumZoomScale | ( | double | minimumZoomScale | ) | [inline] |
set the minimum distance (as ratio) the eye point can be zoomed in towards the center before the center is pushed forward.
| double osgGA::TrackballManipulator::getMinimumZoomScale | ( | ) | const [inline] |
get the minimum distance (as ratio) the eye point can be zoomed in
| void osgGA::TrackballManipulator::setCenter | ( | const osg::Vec3d & | center | ) | [inline] |
Set the center of the trackball.
| const osg::Vec3d& osgGA::TrackballManipulator::getCenter | ( | ) | const [inline] |
Get the center of the trackball.
| void osgGA::TrackballManipulator::setRotation | ( | const osg::Quat & | rotation | ) | [inline] |
Set the rotation of the trackball.
| const osg::Quat& osgGA::TrackballManipulator::getRotation | ( | ) | const [inline] |
Get the rotation of the trackball.
| void osgGA::TrackballManipulator::setDistance | ( | double | distance | ) | [inline] |
Set the distance of the trackball.
| double osgGA::TrackballManipulator::getDistance | ( | ) | const [inline] |
Get the distance of the trackball.
| void osgGA::TrackballManipulator::setTrackballSize | ( | float | size | ) |
Set the size of the trackball.
| float osgGA::TrackballManipulator::getTrackballSize | ( | ) | const [inline] |
Get the size of the trackball.
| void osgGA::TrackballManipulator::flushMouseEventStack | ( | ) | [protected] |
Reset the internal GUIEvent stack.
| void osgGA::TrackballManipulator::addMouseEvent | ( | const GUIEventAdapter & | ea | ) | [protected] |
Add the current mouse GUIEvent to internal stack.
| void osgGA::TrackballManipulator::computePosition | ( | const osg::Vec3 & | eye, | |
| const osg::Vec3 & | lv, | |||
| const osg::Vec3 & | up | |||
| ) | [protected] |
| bool osgGA::TrackballManipulator::calcMovement | ( | ) | [protected] |
For the give mouse movement calculate the movement of the camera.
Return true is camera has moved and a redraw is required.
| void osgGA::TrackballManipulator::trackball | ( | osg::Vec3 & | axis, | |
| float & | angle, | |||
| float | p1x, | |||
| float | p1y, | |||
| float | p2x, | |||
| float | p2y | |||
| ) | [protected] |
| float osgGA::TrackballManipulator::tb_project_to_sphere | ( | float | r, | |
| float | x, | |||
| float | y | |||
| ) | [protected] |
| bool osgGA::TrackballManipulator::isMouseMoving | ( | ) | [protected] |
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> osgGA::TrackballManipulator::_ga_t1 [protected] |
osg::ref_ptr<const GUIEventAdapter> osgGA::TrackballManipulator::_ga_t0 [protected] |
osg::ref_ptr<osg::Node> osgGA::TrackballManipulator::_node [protected] |
double osgGA::TrackballManipulator::_modelScale [protected] |
double osgGA::TrackballManipulator::_minimumZoomScale [protected] |
bool osgGA::TrackballManipulator::_thrown [protected] |
osg::Vec3d osgGA::TrackballManipulator::_center [protected] |
osg::Quat osgGA::TrackballManipulator::_rotation [protected] |
double osgGA::TrackballManipulator::_distance [protected] |
float osgGA::TrackballManipulator::_trackballSize [protected] |