Main Page | Modules | Namespace List | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Namespace Members | Class Members | File Members | Related Pages

osgUtil::IntersectVisitor Class Reference

Basic visitor for ray based collisions of a scene. More...

Inheritance diagram for osgUtil::IntersectVisitor:

Inheritance graph
[legend]
List of all members.

Public Types

typedef std::vector< HitHitList
typedef std::map< osg::LineSegment *,
HitList
LineSegmentHitListMap

Public Member Functions

 IntersectVisitor ()
virtual ~IntersectVisitor ()
void reset ()
 Method to call to reset visitor.
void addLineSegment (osg::LineSegment *seg)
 Add a line segment to use for intersection testing during scene traversal.
HitListgetHitList (osg::LineSegment *seg)
int getNumHits (osg::LineSegment *seg)
bool hits ()
virtual void apply (osg::Node &)
virtual void apply (osg::Geode &node)
virtual void apply (osg::Billboard &node)
virtual void apply (osg::Group &node)
virtual void apply (osg::Transform &node)
virtual void apply (osg::Switch &node)
virtual void apply (osg::LOD &node)

Protected Types

typedef std::vector< osg::ref_ptr<
IntersectState > > 
IntersectStateStack

Protected Member Functions

bool intersect (osg::Drawable &gset)
void pushMatrix (const osg::Matrix &matrix)
void popMatrix ()
bool enterNode (osg::Node &node)
void leaveNode ()

Protected Attributes

IntersectStateStack _intersectStateStack
osg::NodePath _nodePath
LineSegmentHitListMap _segHitList

Classes

class  IntersectState

Detailed Description

Basic visitor for ray based collisions of a scene.


Member Typedef Documentation

typedef std::vector<Hit> osgUtil::IntersectVisitor::HitList
 

typedef std::vector<osg::ref_ptr<IntersectState> > osgUtil::IntersectVisitor::IntersectStateStack [protected]
 

typedef std::map<osg::LineSegment*,HitList > osgUtil::IntersectVisitor::LineSegmentHitListMap
 


Constructor & Destructor Documentation

IntersectVisitor::IntersectVisitor  ) 
 

IntersectVisitor::~IntersectVisitor  )  [virtual]
 


Member Function Documentation

void IntersectVisitor::addLineSegment osg::LineSegment seg  ) 
 

Add a line segment to use for intersection testing during scene traversal.

void IntersectVisitor::apply osg::LOD node  )  [virtual]
 

void IntersectVisitor::apply osg::Switch node  )  [virtual]
 

void IntersectVisitor::apply osg::Transform node  )  [virtual]
 

void IntersectVisitor::apply osg::Group node  )  [virtual]
 

void IntersectVisitor::apply osg::Billboard node  )  [virtual]
 

void IntersectVisitor::apply osg::Geode node  )  [virtual]
 

void IntersectVisitor::apply osg::Node  )  [virtual]
 

bool IntersectVisitor::enterNode osg::Node node  )  [protected]
 

HitList& osgUtil::IntersectVisitor::getHitList osg::LineSegment seg  )  [inline]
 

int osgUtil::IntersectVisitor::getNumHits osg::LineSegment seg  )  [inline]
 

bool IntersectVisitor::hits  ) 
 

bool IntersectVisitor::intersect osg::Drawable gset  )  [protected]
 

void IntersectVisitor::leaveNode  )  [protected]
 

void IntersectVisitor::popMatrix  )  [protected]
 

void IntersectVisitor::pushMatrix const osg::Matrix matrix  )  [protected]
 

void IntersectVisitor::reset  )  [virtual]
 

Method to call to reset visitor.

Useful if your visitor accumulates state during a traversal, and you plan to reuse the visitor. To flush that state for the next traversal: call reset() prior to each traversal.

Reimplemented from osg::NodeVisitor.


Member Data Documentation

IntersectStateStack osgUtil::IntersectVisitor::_intersectStateStack [protected]
 

osg::NodePath osgUtil::IntersectVisitor::_nodePath [protected]
 

Reimplemented from osg::NodeVisitor.

LineSegmentHitListMap osgUtil::IntersectVisitor::_segHitList [protected]
 


The documentation for this class was generated from the following files:
Generated at Thu Oct 13 09:04:18 2005 for the OpenSceneGraph by doxygen 1.4.1.