OpenSceneGraph implementation of a textured ribbon Used to draw effects like tread tracks that follow a scene object Procedurally generated as its position in the scene changes. More...

Inheritance diagram for makVrv::DtOsgDecalRibbon:

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Public Member Functions
	DtOsgDecalRibbon (DtDe &de, float segmentSpacing, const osg::Vec4 &color, osg::Texture *tex, float maxLength=2000)
	CTOR.
virtual void	setTextureRepeat (float textureRepeat)
	Set the number of copies of the texture to repeat into each quad.
Public Member Functions inherited from makVrv::DtOsgRibbon
	DtOsgRibbon (DtDe &de, float segmentSpacing=1.0, const osg::Vec4 &color=osg::Vec4d(0.5, 0.5, 0.5, 1.0), float maxLength=2000)
	CTOR.
virtual	~DtOsgRibbon ()
	DTOR.
virtual void	traverse (osg::NodeVisitor &nv)
	Interrupt CullVisitors by updating the ribbon.
virtual osg::Node *	node ()
	Get the osg geometry node associated with the ribbon.
virtual void	setColor (const osg::Vec4 &color)
	Set the ribbon's color.
const osg::Vec4 &	color () const
	Get the ribbon's color.
virtual void	setDroppedPoints (const osg::Vec3d &pointA, const osg::Vec3d &pointB)
	Set the points to drop in local coordinates.
virtual void	update (double dt, double simTime)
	Update the ribbon with the current position.
virtual void	update ()
	Optional time independent update method.
virtual void	setMaxSegments (long segments)
	Sets the maximum number of segments allowed in the ribbon.
long	maxSegments () const
	Gets the maximum number of segments allowed in the ribbon.
virtual void	setSegmentSpacing (float spacing)
	Sets the maximum length of ribbon segments.
float	segmentSpacing () const
	Gets the maximum length of the ribbon segments.
virtual void	setStippled (bool stippled)
bool	isStippled () const
	Get the stipple setting for this ribbon.
virtual void	setLightingEnabled (bool enable)
	set to true the lighting enabled flag to turn lighting on for the ribbon
virtual bool	lightingEnabled ()
	get the lighting enabled flag

Protected Member Functions
virtual	~DtOsgDecalRibbon ()
	DTOR.
virtual void	addParticle (const osg::Vec3d &left, const osg::Vec3d &right, double simTime)
	Add a particle to the ribbon.
virtual float	currentSegmentLength ()
	Find the length of the current ribbon segment.
virtual void	extendCurrentSegment (osg::Vec3d const &left, osg::Vec3d const &right, double simTime)
	Extend the current segment to left and right points.
virtual osg::Drawable *	getDrawable ()
	Create or get the ribbon drawable.
virtual int	particleIndexAtOffset (int offset)
	Get index of particle at offset from current particle.
virtual void	rotateDrawableIndices (int amount)
	Rotate the drawable primitives' indices by amount.
virtual osg::Vec2	getTextureCoordinateFor (int pointIndex, float vScale)
	Get the texture coordinate for a vertex.
virtual osg::Geode *	createGeode ()
	Create the geode.
Protected Member Functions inherited from makVrv::DtOsgRibbon
virtual void	setDrawable ()
	Removes any existing drawables and add the drawable returned from getDrawable.

Private Attributes
osg::ref_ptr< osg::Vec3Array >	myPoints
osg::ref_ptr< osg::Vec2Array >	myTextureCoordinates
osg::ref_ptr < osg::DrawElementsUInt >	myRibbon
osg::ref_ptr< osg::Geometry >	myGeometry
osg::ref_ptr< osg::Texture >	myTexture
bool	myWrappingVertices
std::string	myTextureFilename
int	myParticleIndex
float	myTextureRepeat

Detailed Description

OpenSceneGraph implementation of a textured ribbon Used to draw effects like tread tracks that follow a scene object Procedurally generated as its position in the scene changes.

Constructor & Destructor Documentation

makVrv::DtOsgDecalRibbon::DtOsgDecalRibbon	(	DtDe &	de,
		float	segmentSpacing,
		const osg::Vec4 &	color,
		osg::Texture *	tex,
		float	maxLength = `2000`
	)

CTOR.

virtual makVrv::DtOsgDecalRibbon::~DtOsgDecalRibbon ( )

protectedvirtual

DTOR.

Member Function Documentation

virtual void makVrv::DtOsgDecalRibbon::setTextureRepeat ( float textureRepeat )

virtual

Set the number of copies of the texture to repeat into each quad.

Textures are tiled in their v coordinate only.

virtual void makVrv::DtOsgDecalRibbon::addParticle	(	const osg::Vec3d &	left,
		const osg::Vec3d &	right,
		double	simTime
	)

protectedvirtual

Add a particle to the ribbon.

Implements makVrv::DtOsgRibbon.

virtual float makVrv::DtOsgDecalRibbon::currentSegmentLength ( )

protectedvirtual

Find the length of the current ribbon segment.

Implements makVrv::DtOsgRibbon.

virtual void makVrv::DtOsgDecalRibbon::extendCurrentSegment	(	osg::Vec3d const &	left,
		osg::Vec3d const &	right,
		double	simTime
	)

protectedvirtual

Extend the current segment to left and right points.

Implements makVrv::DtOsgRibbon.

virtual osg::Drawable* makVrv::DtOsgDecalRibbon::getDrawable ( )

protectedvirtual

Create or get the ribbon drawable.

Implements makVrv::DtOsgRibbon.

virtual int makVrv::DtOsgDecalRibbon::particleIndexAtOffset ( int offset )

protectedvirtual

Get index of particle at offset from current particle.

virtual void makVrv::DtOsgDecalRibbon::rotateDrawableIndices ( int amount )

protectedvirtual

Rotate the drawable primitives' indices by amount.

virtual osg::Vec2 makVrv::DtOsgDecalRibbon::getTextureCoordinateFor	(	int	pointIndex,
		float	vScale
	)

protectedvirtual

Get the texture coordinate for a vertex.

virtual osg::Geode* makVrv::DtOsgDecalRibbon::createGeode ( )

protectedvirtual

Create the geode.

Reimplemented from makVrv::DtOsgRibbon.

Member Data Documentation

osg::ref_ptr<osg::Vec3Array> makVrv::DtOsgDecalRibbon::myPoints

private

osg::ref_ptr<osg::Vec2Array> makVrv::DtOsgDecalRibbon::myTextureCoordinates

private

osg::ref_ptr<osg::DrawElementsUInt> makVrv::DtOsgDecalRibbon::myRibbon

private

osg::ref_ptr<osg::Geometry> makVrv::DtOsgDecalRibbon::myGeometry

private

osg::ref_ptr<osg::Texture> makVrv::DtOsgDecalRibbon::myTexture

private

bool makVrv::DtOsgDecalRibbon::myWrappingVertices

private

std::string makVrv::DtOsgDecalRibbon::myTextureFilename

private

int makVrv::DtOsgDecalRibbon::myParticleIndex

private

float makVrv::DtOsgDecalRibbon::myTextureRepeat

private

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

/exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvOsg/DtOsgDecalRibbon.h

Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation