LineSegment class for representing a line segment. More...

Inheritance diagram for osg::LineSegment:

Public Types
typedef Vec3d	vec_type

typedef vec_type::value_type	value_type

Public Member Functions
	LineSegment ()

	LineSegment (const LineSegment &seg)

	LineSegment (const vec_type &s, const vec_type &e)

LineSegment &	operator= (const LineSegment &seg)

void	set (const vec_type &s, const vec_type &e)

vec_type &	start ()

const vec_type &	start () const

vec_type &	end ()

const vec_type &	end () const

bool	valid () const

bool	intersect (const BoundingBox &bb) const
	return true if segment intersects BoundingBox. More...

bool	intersectAndComputeRatios (const BoundingBox &bb, float &ratioFromStartToEnd1, float &ratioFromStartToEnd2) const
	return true if segment intersects BoundingBox and set float ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

bool	intersectAndComputeRatios (const BoundingBox &bb, double &ratioFromStartToEnd1, double &ratioFromStartToEnd2) const
	return true if segment intersects BoundingBox and set double ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

bool	intersect (const BoundingSphere &bs) const
	return true if segment intersects BoundingSphere. More...

bool	intersectAndComputeRatios (const BoundingSphere &bs, float &ratioFromStartToEnd1, float &ratioFromStartToEnd2) const
	return true if segment intersects BoundingSphere and set float ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

bool	intersectAndComputeRatios (const BoundingSphere &bs, double &ratioFromStartToEnd1, double &ratioFromStartToEnd2) const
	return true if segment intersects BoundingSphere and set double ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

bool	intersect (const Vec3f &v1, const Vec3f &v2, const Vec3f &v3, float &ratioFromStartToEnd)
	return true if segment intersects triangle and set float ratios where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

bool	intersect (const Vec3d &v1, const Vec3d &v2, const Vec3d &v3, double &ratioFromStartToEnd)
	return true if segment intersects triangle and set double ratios where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point. More...

void	mult (const LineSegment &seg, const Matrix &m)
	post multiply a segment by matrix. More...

void	mult (const Matrix &m, const LineSegment &seg)
	pre multiply a segment by matrix. More...

Public Member Functions inherited from osg::Referenced
	Referenced ()

	Referenced (bool threadSafeRefUnref)

	Referenced (const Referenced &)

Referenced &	operator= (const Referenced &)

virtual void	setThreadSafeRefUnref (bool threadSafe)
	Set whether to use a mutex to ensure ref() and unref() are thread safe. More...

bool	getThreadSafeRefUnref () const
	Get whether a mutex is used to ensure ref() and unref() are thread safe. More...

OpenThreads::Mutex *	getRefMutex () const
	Get the mutex used to ensure thread safety of ref()/unref(). More...

int	ref () const
	Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

int	unref () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...

int	unref_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...

int	referenceCount () const
	Return the number of pointers currently referencing this object. More...

ObserverSet *	getObserverSet () const
	Get the ObserverSet if one is attached, otherwise return NULL. More...

ObserverSet *	getOrCreateObserverSet () const
	Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...

void	addObserver (Observer *observer) const
	Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...

void	removeObserver (Observer *observer) const
	Remove Observer that is observing this object. More...

Protected Member Functions
virtual	~LineSegment ()

Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()

void	signalObserversAndDelete (bool signalDelete, bool doDelete) const

void	deleteUsingDeleteHandler () const

Static Protected Member Functions
static bool	intersectAndClip (vec_type &s, vec_type &e, const BoundingBox &bb)

Protected Attributes
vec_type	_s

vec_type	_e

Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet

OpenThreads::Atomic	_refCount

Additional Inherited Members
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
	Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More...

static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
	Set whether reference counting should use a mutex for thread safe reference counting. More...

static bool	getThreadSafeReferenceCounting ()
	Get whether reference counting is active. More...

static void	setDeleteHandler (DeleteHandler *handler)
	Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More...

static DeleteHandler *	getDeleteHandler ()
	Get a DeleteHandler. More...

Detailed Description

LineSegment class for representing a line segment.

Member Typedef Documentation

typedef vec_type::value_type osg::LineSegment::value_type

typedef Vec3d osg::LineSegment::vec_type

Constructor & Destructor Documentation

osg::LineSegment::LineSegment ( )

inline

osg::LineSegment::LineSegment ( const LineSegment & seg )

inline

osg::LineSegment::LineSegment	(	const vec_type &	s,
		const vec_type &	e
	)

inline

virtual osg::LineSegment::~LineSegment ( )

protectedvirtual

Member Function Documentation

vec_type& osg::LineSegment::end ( )

inline

const vec_type& osg::LineSegment::end ( ) const

inline

bool osg::LineSegment::intersect ( const BoundingBox & bb ) const

return true if segment intersects BoundingBox.

bool osg::LineSegment::intersect ( const BoundingSphere & bs ) const

return true if segment intersects BoundingSphere.

bool osg::LineSegment::intersect	(	const Vec3f &	v1,
		const Vec3f &	v2,
		const Vec3f &	v3,
		float &	ratioFromStartToEnd
	)

return true if segment intersects triangle and set float ratios where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

bool osg::LineSegment::intersect	(	const Vec3d &	v1,
		const Vec3d &	v2,
		const Vec3d &	v3,
		double &	ratioFromStartToEnd
	)

return true if segment intersects triangle and set double ratios where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

static bool osg::LineSegment::intersectAndClip	(	vec_type &	s,
		vec_type &	e,
		const BoundingBox &	bb
	)

staticprotected

bool osg::LineSegment::intersectAndComputeRatios	(	const BoundingBox &	bb,
		float &	ratioFromStartToEnd1,
		float &	ratioFromStartToEnd2
	)		const

return true if segment intersects BoundingBox and set float ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

bool osg::LineSegment::intersectAndComputeRatios	(	const BoundingBox &	bb,
		double &	ratioFromStartToEnd1,
		double &	ratioFromStartToEnd2
	)		const

return true if segment intersects BoundingBox and set double ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

bool osg::LineSegment::intersectAndComputeRatios	(	const BoundingSphere &	bs,
		float &	ratioFromStartToEnd1,
		float &	ratioFromStartToEnd2
	)		const

return true if segment intersects BoundingSphere and set float ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

bool osg::LineSegment::intersectAndComputeRatios	(	const BoundingSphere &	bs,
		double &	ratioFromStartToEnd1,
		double &	ratioFromStartToEnd2
	)		const

return true if segment intersects BoundingSphere and set double ratios for the first and second intersections, where the ratio is 0.0 at the segment start point, and 1.0 at the segment end point.

void osg::LineSegment::mult	(	const LineSegment &	seg,
		const Matrix &	m
	)

inline

post multiply a segment by matrix.

void osg::LineSegment::mult	(	const Matrix &	m,
		const LineSegment &	seg
	)

inline

pre multiply a segment by matrix.

LineSegment& osg::LineSegment::operator= ( const LineSegment & seg )

inline

void osg::LineSegment::set	(	const vec_type &	s,
		const vec_type &	e
	)

inline

vec_type& osg::LineSegment::start ( )

inline

const vec_type& osg::LineSegment::start ( ) const

inline

bool osg::LineSegment::valid ( ) const

inline

Member Data Documentation

vec_type osg::LineSegment::_e

protected

vec_type osg::LineSegment::_s

protected

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

osg/LineSegment

Public Types

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation