OpenSceneGraph  3.0.1
Public Member Functions | Protected Member Functions | Protected Attributes
osgManipulator::LineProjector Class Reference

LineProjector projects points onto the closest point on the given line. More...

Inheritance diagram for osgManipulator::LineProjector:
Inheritance graph
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List of all members.

Public Member Functions

 LineProjector ()
 LineProjector (const osg::LineSegment::vec_type &s, const osg::LineSegment::vec_type &e)
void setLine (const osg::LineSegment::vec_type &s, const osg::LineSegment::vec_type &e)
const osg::LineSegment::vec_typegetLineStart () const
osg::LineSegment::vec_typegetLineStart ()
const osg::LineSegment::vec_typegetLineEnd () const
osg::LineSegment::vec_typegetLineEnd ()
virtual bool project (const PointerInfo &pi, osg::Vec3d &projectedPoint) const
 Calculates the object coordinates (projectedPoint) of a window coordinate (pointToProject) when projected onto the given line.
- Public Member Functions inherited from osgManipulator::Projector
 Projector ()
void setLocalToWorld (const osg::Matrix &localToWorld)
 Sets the matrix for transforming the projector's local coordinate system to the world/object coordinate system.
const osg::MatrixgetLocalToWorld () const
 Gets the matrix for transforming the projector's local coordinate system to the world/object coordinate system.
const osg::MatrixgetWorldToLocal () const
 Gets the matrix for transforming the world/object coordinate system to the command's local coordinate system.
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
virtual void setThreadSafeRefUnref (bool threadSafe)
 Set whether to use a mutex to ensure ref() and unref() are thread safe.
bool getThreadSafeRefUnref () const
 Get whether a mutex is used to ensure ref() and unref() are thread safe.
OpenThreads::Mutex * getRefMutex () const
 Get the mutex used to ensure thread safety of ref()/unref().
int ref () const
 Increment the reference count by one, indicating that this object has another pointer which is referencing it.
int unref () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int unref_nodelete () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int referenceCount () const
 Return the number of pointers currently referencing this object.
ObserverSetgetObserverSet () const
 Get the ObserverSet if one is attached, otherwise return NULL.
ObserverSetgetOrCreateObserverSet () const
 Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet.
void addObserver (Observer *observer) const
 Add a Observer that is observing this object, notify the Observer when this object gets deleted.
void removeObserver (Observer *observer) const
 Remove Observer that is observing this object.

Protected Member Functions

virtual ~LineProjector ()
- Protected Member Functions inherited from osgManipulator::Projector
virtual ~Projector ()
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const

Protected Attributes

osg::ref_ptr< osg::LineSegment_line
- Protected Attributes inherited from osgManipulator::Projector
osg::Matrix _localToWorld
osg::Matrix _worldToLocal
bool _worldToLocalDirty
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Detailed Description

LineProjector projects points onto the closest point on the given line.


Constructor & Destructor Documentation

osgManipulator::LineProjector::LineProjector ( )
osgManipulator::LineProjector::LineProjector ( const osg::LineSegment::vec_type s,
const osg::LineSegment::vec_type e 
)
virtual osgManipulator::LineProjector::~LineProjector ( )
protectedvirtual

Member Function Documentation

const osg::LineSegment::vec_type& osgManipulator::LineProjector::getLineEnd ( ) const
inline
osg::LineSegment::vec_type& osgManipulator::LineProjector::getLineEnd ( )
inline
const osg::LineSegment::vec_type& osgManipulator::LineProjector::getLineStart ( ) const
inline
osg::LineSegment::vec_type& osgManipulator::LineProjector::getLineStart ( )
inline
virtual bool osgManipulator::LineProjector::project ( const PointerInfo pi,
osg::Vec3d projectedPoint 
) const
virtual

Calculates the object coordinates (projectedPoint) of a window coordinate (pointToProject) when projected onto the given line.

Returns true on successful projection.

Implements osgManipulator::Projector.

void osgManipulator::LineProjector::setLine ( const osg::LineSegment::vec_type s,
const osg::LineSegment::vec_type e 
)
inline

Member Data Documentation

osg::ref_ptr<osg::LineSegment> osgManipulator::LineProjector::_line
protected

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

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Generated at Thu Oct 4 2012 13:45:15 for the OpenSceneGraph by doxygen 1.8.1.1.