WGEZoomTrackballNodeVisitor Class Reference

A visitor that ignores specific nodes that are irrelevant for the trackball. More...

#include <WGEZoomTrackballNodeVisitor.h>

Inheritance diagram for WGEZoomTrackballNodeVisitor:

Collaboration diagram for WGEZoomTrackballNodeVisitor:

Public Member Functions
	WGEZoomTrackballNodeVisitor (TraversalMode traversalMode=TRAVERSE_ACTIVE_CHILDREN)
	Creates a new node visitor. More...
virtual void	reset ()
	Resets this visitor. More...
void	apply (osg::Camera &node)
	Handles camera nodes. More...
void	apply (osg::Projection &node)
	Handles projection nodes. More...
void	apply (osg::Drawable &node)
	Handles drawable nodes. More...
void	apply (osg::MatrixTransform &node)
	Handles matrixtransform nodes. More...
osg::BoundingBox &	getBoundingBox ()
	Gets the bounding box. More...

Private Attributes
osg::BoundingBox	m_bb
	The bounding box that is generated. More...
std::vector< osg::Matrix >	m_matrixStack
	The stack for the matrices. More...

Detailed Description

A visitor that ignores specific nodes that are irrelevant for the trackball.

Definition at line 37 of file WGEZoomTrackballNodeVisitor.h.

Constructor & Destructor Documentation

WGEZoomTrackballNodeVisitor()

WGEZoomTrackballNodeVisitor::WGEZoomTrackballNodeVisitor ( TraversalMode  traversalMode = TRAVERSE_ACTIVE_CHILDREN )

explicit

Creates a new node visitor.

Parameters

traversalMode

The traversal mode.

Definition at line 36 of file WGEZoomTrackballNodeVisitor.cpp.

Member Function Documentation

apply() [1/4]

void WGEZoomTrackballNodeVisitor::apply

(

osg::Camera &

node

)

Handles camera nodes.

Parameters

node	The camera node.

Definition at line 46 of file WGEZoomTrackballNodeVisitor.cpp.

apply() [2/4]

void WGEZoomTrackballNodeVisitor::apply

(

osg::Drawable &

node

)

Handles drawable nodes.

Parameters

node	The drawable node.

Definition at line 68 of file WGEZoomTrackballNodeVisitor.cpp.

References m_bb, and m_matrixStack.

apply() [3/4]

void WGEZoomTrackballNodeVisitor::apply

(

osg::MatrixTransform &

node

)

Handles matrixtransform nodes.

Parameters

node	The matrixtransform node.

Definition at line 92 of file WGEZoomTrackballNodeVisitor.cpp.

References m_matrixStack.

apply() [4/4]

void WGEZoomTrackballNodeVisitor::apply

(

osg::Projection &

node

)

Handles projection nodes.

Parameters

node	The projection node.

Definition at line 57 of file WGEZoomTrackballNodeVisitor.cpp.

getBoundingBox()

osg::BoundingBox & WGEZoomTrackballNodeVisitor::getBoundingBox

(

)

Gets the bounding box.

Returns

osg::BoundingBox& The bounding box.

Definition at line 106 of file WGEZoomTrackballNodeVisitor.cpp.

References m_bb.

Referenced by WGEZoomTrackballManipulator::computeHomePosition().

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reset()

void WGEZoomTrackballNodeVisitor::reset ( )

virtual

Resets this visitor.

Definition at line 40 of file WGEZoomTrackballNodeVisitor.cpp.

References m_bb, and m_matrixStack.

Member Data Documentation

m_bb

osg::BoundingBox WGEZoomTrackballNodeVisitor::m_bb

private

The bounding box that is generated.

Definition at line 82 of file WGEZoomTrackballNodeVisitor.h.

Referenced by apply(), getBoundingBox(), and reset().

m_matrixStack

std::vector< osg::Matrix > WGEZoomTrackballNodeVisitor::m_matrixStack

private

The stack for the matrices.

Definition at line 83 of file WGEZoomTrackballNodeVisitor.h.

Referenced by apply(), and reset().

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

• WGEZoomTrackballNodeVisitor.h
• WGEZoomTrackballNodeVisitor.cpp