OpenSceneGraph 2.8.4
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes
osgGA::TerrainManipulator Class Reference
Inheritance diagram for osgGA::TerrainManipulator:
Inheritance graph
[legend]

List of all members.

Public Types

enum  RotationMode { ELEVATION_AZIM_ROLL, ELEVATION_AZIM }

Public Member Functions

 TerrainManipulator ()
virtual const char * className () const
 return the name of the object's class type.
void setRotationMode (RotationMode mode)
RotationMode getRotationMode () 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.
virtual float getFusionDistanceValue () const
 Get the FusionDistanceValue.
virtual void setNode (osg::Node *)
 Attach a node to the manipulator.
virtual const osg::NodegetNode () const
 Return node if attached.
virtual osg::NodegetNode ()
 Return node if attached.
virtual void home (const GUIEventAdapter &ea, GUIActionAdapter &us)
 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.

Protected Member Functions

virtual ~TerrainManipulator ()
bool intersect (const osg::Vec3d &start, const osg::Vec3d &end, osg::Vec3d &intersection) const
void flushMouseEventStack ()
 Reset the internal GUIEvent stack.
void addMouseEvent (const GUIEventAdapter &ea)
 Add the current mouse GUIEvent to internal stack.
void computePosition (const osg::Vec3d &eye, const osg::Vec3d &lv, const osg::Vec3d &up)
bool calcMovement ()
 For the give mouse movement calculate the movement of the camera.
void trackball (osg::Vec3 &axis, double &angle, double p1x, double p1y, double p2x, double p2y)
double tb_project_to_sphere (double r, double x, double y)
bool isMouseMoving ()
 Check the speed at which the mouse is moving.
void clampOrientation ()

Protected Attributes

osg::ref_ptr< const
GUIEventAdapter
_ga_t1
osg::ref_ptr< const
GUIEventAdapter
_ga_t0
osg::ref_ptr< osg::Node_node
RotationMode _rotationMode
bool _thrown
osg::Vec3d _center
osg::Quat _rotation
double _distance
osg::Vec3d _previousUp

Member Enumeration Documentation

Enumerator:
ELEVATION_AZIM_ROLL 
ELEVATION_AZIM 

Constructor & Destructor Documentation

osgGA::TerrainManipulator::TerrainManipulator ( )
virtual osgGA::TerrainManipulator::~TerrainManipulator ( ) [protected, virtual]

Member Function Documentation

void osgGA::TerrainManipulator::addMouseEvent ( const GUIEventAdapter ea) [protected]

Add the current mouse GUIEvent to internal stack.

bool osgGA::TerrainManipulator::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::TerrainManipulator::clampOrientation ( ) [protected]
virtual const char* osgGA::TerrainManipulator::className ( ) const [inline, virtual]

return the name of the object's class type.

Must be defined by derived classes.

Reimplemented from osgGA::MatrixManipulator.

void osgGA::TerrainManipulator::computePosition ( const osg::Vec3d eye,
const osg::Vec3d lv,
const osg::Vec3d up 
) [protected]
void osgGA::TerrainManipulator::flushMouseEventStack ( ) [protected]

Reset the internal GUIEvent stack.

virtual osgUtil::SceneView::FusionDistanceMode osgGA::TerrainManipulator::getFusionDistanceMode ( ) const [inline, virtual]

Get the FusionDistanceMode.

Used by SceneView for setting up stereo convergence.

Reimplemented from osgGA::MatrixManipulator.

References osgUtil::SceneView::USE_FUSION_DISTANCE_VALUE.

virtual float osgGA::TerrainManipulator::getFusionDistanceValue ( ) const [inline, virtual]

Get the FusionDistanceValue.

Used by SceneView for setting up stereo convergence.

Reimplemented from osgGA::MatrixManipulator.

virtual osg::Matrixd osgGA::TerrainManipulator::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 osg::Matrixd osgGA::TerrainManipulator::getMatrix ( ) const [virtual]

get the position of the manipulator as 4x4 Matrix.

Implements osgGA::MatrixManipulator.

virtual const osg::Node* osgGA::TerrainManipulator::getNode ( ) const [virtual]

Return node if attached.

Reimplemented from osgGA::MatrixManipulator.

virtual osg::Node* osgGA::TerrainManipulator::getNode ( ) [virtual]

Return node if attached.

Reimplemented from osgGA::MatrixManipulator.

RotationMode osgGA::TerrainManipulator::getRotationMode ( ) const [inline]
virtual void osgGA::TerrainManipulator::getUsage ( osg::ApplicationUsage usage) const [virtual]

Get the keyboard and mouse usage of this manipulator.

Reimplemented from osgGA::GUIEventHandler.

virtual bool osgGA::TerrainManipulator::handle ( const GUIEventAdapter ea,
GUIActionAdapter us 
) [virtual]

handle events, return true if handled, false otherwise.

Reimplemented from osgGA::MatrixManipulator.

virtual void osgGA::TerrainManipulator::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::TerrainManipulator::init ( const GUIEventAdapter ea,
GUIActionAdapter us 
) [virtual]

Start/restart the manipulator.

Reimplemented from osgGA::MatrixManipulator.

bool osgGA::TerrainManipulator::intersect ( const osg::Vec3d start,
const osg::Vec3d end,
osg::Vec3d intersection 
) const [protected]
bool osgGA::TerrainManipulator::isMouseMoving ( ) [protected]

Check the speed at which the mouse is moving.

If speed is below a threshold then return false, otherwise return true.

virtual void osgGA::TerrainManipulator::setByInverseMatrix ( const osg::Matrixd matrix) [inline, virtual]

set the position of the matrix manipulator using a 4x4 Matrix.

Implements osgGA::MatrixManipulator.

References osg::Matrixd::inverse().

virtual void osgGA::TerrainManipulator::setByMatrix ( const osg::Matrixd matrix) [virtual]

set the position of the matrix manipulator using a 4x4 Matrix.

Implements osgGA::MatrixManipulator.

virtual void osgGA::TerrainManipulator::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.

void osgGA::TerrainManipulator::setRotationMode ( RotationMode  mode)
double osgGA::TerrainManipulator::tb_project_to_sphere ( double  r,
double  x,
double  y 
) [protected]
void osgGA::TerrainManipulator::trackball ( osg::Vec3 axis,
double &  angle,
double  p1x,
double  p1y,
double  p2x,
double  p2y 
) [protected]

Member Data Documentation


The documentation for this class was generated from the following file:

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Generated at Sun Jan 8 2012 13:16:35 for the OpenSceneGraph by doxygen 1.7.4.