scg::PreTraverser Class Reference

A traverser that searches Camera and LightPosition nodes in the scene graph (visitor pattern). More...

#include "PreTraverser.h"

Inheritance diagram for scg::PreTraverser:

Collaboration diagram for scg::PreTraverser:

Public Member Functions
	PreTraverser (RenderState *renderState)
virtual	~PreTraverser ()
virtual void	visitLightPosition (LightPosition *node)
virtual void	visitCamera (Camera *node)
virtual void	visitPostCamera (Camera *node)
virtual void	visitTransformation (Transformation *node)
virtual void	visitPostTransformation (Transformation *node)
Public Member Functions inherited from scg::Traverser
	Traverser (RenderState *renderState)
virtual	~Traverser ()=0
virtual void	visitShape (Shape *node)
virtual void	visitGroup (Group *node)
virtual void	visitPostGroup (Group *node)
virtual void	visitLight (Light *node)
virtual void	visitPostLight (Light *node)

Additional Inherited Members
Protected Attributes inherited from scg::Traverser
RenderState *	renderState_

Detailed Description

A traverser that searches Camera and LightPosition nodes in the scene graph (visitor pattern).

Definition at line 37 of file PreTraverser.h.

Constructor & Destructor Documentation

PreTraverser()

scg::PreTraverser::PreTraverser

(

RenderState *

renderState

)

Constructor.

~PreTraverser()

virtual scg::PreTraverser::~PreTraverser ( )

virtual

Destructor.

Member Function Documentation

visitCamera()

virtual void scg::PreTraverser::visitCamera ( Camera *  node )

virtual

Visit Camera node: apply camera transformation, update model-view matrix of RenderState, save projection and view tranformation.

Reimplemented from scg::Traverser.

visitLightPosition()

virtual void scg::PreTraverser::visitLightPosition ( LightPosition *  node )

virtual

Visit LightPosition node: set model tranformation of associated Light.

Reimplemented from scg::Traverser.

visitPostCamera()

virtual void scg::PreTraverser::visitPostCamera ( Camera *  node )

virtual

Visit Camera node after traversing sub-tree: restore model-view matrix of RenderState.

Reimplemented from scg::Traverser.

visitPostTransformation()

virtual void scg::PreTraverser::visitPostTransformation ( Transformation *  node )

virtual

Visit Transformation node after traversing sub-tree: restore model-view matrix of RenderState.

Reimplemented from scg::Traverser.

visitTransformation()

virtual void scg::PreTraverser::visitTransformation ( Transformation *  node )

virtual

Visit Transformation node: update model-view matrix of RenderState.

Reimplemented from scg::Traverser.

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

• src/PreTraverser.h