Intersector Class Reference

#include <Intersector.h>

List of all members.

Public Member Functions
	Intersector ()
virtual	~Intersector ()
virtual void	init (int mask, float maxDist=MAXFLOAT)
PointEnv *	adoptIntersection (void)
const PointEnv *	inspectIntersection (void) const
float	getActDistance (void) const
int	getMask (void) const
virtual int	processCandidate (SceneGraphObject *pObject, const Vector3 &origin, const Vector3 &direction)
Protected Attributes
PointEnv *	_pEnv
PointEnv *	_pNewEnv
float	_distance
ESGbitmask	_wantedMask

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Detailed Description

Intersector processes scene graph primitives and finds the closest point of intersection with ray (see PointEnv)

Definition at line 16 of file Intersector.h.

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Constructor & Destructor Documentation

Intersector (   )  [inline]

Constructor Definition at line 28 of file Intersector.h.

virtual ~Intersector (   )  [inline, virtual]

Desctructor Definition at line 33 of file Intersector.h.

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Member Function Documentation

PointEnv * adoptIntersection (  void   )

Returns the closest point of intersection, the point is removed from this Intersctor object Returns: the closest point of intersection or NULL Definition at line 16 of file Intersector.cc. References Intersector::_pEnv. Referenced by Surface::rayIntersection(), and RayIntExplorer::result().

float getActDistance (  void   )  const [inline]

Returns: distance of actual closest point of inntersection or 0 Definition at line 63 of file Intersector.h. Referenced by RayIntExplorer::_explore(), and Surface::rayIntersection().

int getMask (  void   )  const [inline]

Returns: the actual bitmask Definition at line 68 of file Intersector.h.

void init (  int  mask, float  maxDist = MAXFLOAT )  [virtual]

Initializes the search of the closest point of intersection Parameters: mask  PointEnv bitmask determining what is computed during the ray intersection calculation maxDist  farer points of intersection are ignored Definition at line 6 of file Intersector.cc. References Intersector::_distance, Intersector::_pEnv, Intersector::_wantedMask, and ENV_WANT_DISTANCE. Referenced by Surface::rayIntersection(), and OSGAdapter::rayIntersection().

const PointEnv* inspectIntersection (  void   )  const [inline]

Returns reference to the closest point of intersection, the point remains under the control of this Intersctor object! Returns: _reference_ to the closest point of intersection or NULL Definition at line 58 of file Intersector.h.

int processCandidate (  SceneGraphObject *  pObject, const Vector3 &  origin, const Vector3 &  direction )  [virtual]

Finds point of ray intersection with given primitive object and checks whether the point is not closer than already found closest point. Parameters: pObject  rested scen graph primitive origin  ray origin direction  ray direction Returns: 1 it the primitive has the closest point of intersection, 0 otherwise Definition at line 24 of file Intersector.cc. References Intersector::_distance, Intersector::_pEnv, Intersector::_pNewEnv, Intersector::_wantedMask, PointEnv::distance, ENV_HAVE_ASOC_PRIMITIVE, ENV_HAVE_DISTANCE, ENV_WANT_ASOC_PRIMITIVE, SceneGraphObject::geometry(), PointEnv::mask, PointEnv::pVisitableObj, and Geometry::rayIntersection(). Referenced by Surface::rayIntersection().

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Member Data Documentation

float _distance [protected]

Definition at line 20 of file Intersector.h. Referenced by Intersector::init(), and Intersector::processCandidate().

PointEnv* _pEnv [protected]

Definition at line 18 of file Intersector.h. Referenced by Intersector::adoptIntersection(), Intersector::init(), and Intersector::processCandidate().

PointEnv* _pNewEnv [protected]

Definition at line 19 of file Intersector.h. Referenced by Intersector::processCandidate().

ESGbitmask _wantedMask [protected]

Definition at line 21 of file Intersector.h. Referenced by Intersector::init(), and Intersector::processCandidate().

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

• esg/include/esg/Intersector.h
• esg/src/Intersector.cc

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