osg::Fog Class Reference

Fog - encapsulates OpenGL fog state. More...

Inheritance diagram for osg::Fog:

[legend]List of all members.

Public Types
	LINEAR = GL_LINEAR
	EXP = GL_EXP
	EXP2 = GL_EXP2
	FOG_COORDINATE = GL_FOG_COORDINATE
	FRAGMENT_DEPTH = GL_FRAGMENT_DEPTH
enum	Mode { LINEAR = GL_LINEAR, EXP = GL_EXP, EXP2 = GL_EXP2 }
enum	FogCoordinateSource { FOG_COORDINATE = GL_FOG_COORDINATE, FRAGMENT_DEPTH = GL_FRAGMENT_DEPTH }
Public Member Functions
	Fog ()
	Fog (const Fog &fog, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
	Copy constructor using CopyOp to manage deep vs shallow copy.
	META_StateAttribute (osg, Fog, FOG)
virtual int	compare (const StateAttribute &sa) const
	return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.
virtual bool	getModeUsage (StateAttribute::ModeUsage &usage) const
	Return the modes associated with this StateAttribute.
void	setMode (Mode mode)
Mode	getMode () const
void	setDensity (float density)
float	getDensity () const
void	setStart (float start)
float	getStart () const
void	setEnd (float end)
float	getEnd () const
void	setColor (const Vec4 &color)
const Vec4 &	getColor () const
void	setFogCoordinateSource (GLint source)
GLint	getFogCoordinateSource () const
virtual void	apply (State &state) const
	apply the OpenGL state attributes.
Protected Member Functions
virtual	~Fog ()
Protected Attributes
Mode	_mode
float	_density
float	_start
float	_end
Vec4	_color
GLint	_fogCoordinateSource

---

Detailed Description

Fog - encapsulates OpenGL fog state.

---

Member Enumeration Documentation

enum osg::Fog::FogCoordinateSource

Enumerator:

FOG_COORDINATE
FRAGMENT_DEPTH

enum osg::Fog::Mode

Enumerator:

LINEAR
EXP
EXP2

---

Constructor & Destructor Documentation

osg::Fog::Fog

(

)

osg::Fog::Fog	(	const Fog &	fog,
		const CopyOp &	copyop = CopyOp::SHALLOW_COPY
	)			[inline]

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osg::Fog::~Fog

(

)

[protected, virtual]

---

Member Function Documentation

virtual void osg::Fog::apply

(

State &

state

)

const [virtual]

apply the OpenGL state attributes.

The render info for the current OpenGL context is passed in to allow the StateAttribute to obtain details on the the current context and state.

Reimplemented from osg::StateAttribute.

virtual int osg::Fog::compare

(

const StateAttribute &

sa

)

const [inline, virtual]

return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.

Implements osg::StateAttribute.

const Vec4& osg::Fog::getColor

(

)

const [inline]

float osg::Fog::getDensity

(

)

const [inline]

float osg::Fog::getEnd

(

)

const [inline]

GLint osg::Fog::getFogCoordinateSource

(

)

const [inline]

Mode osg::Fog::getMode

(

)

const [inline]

virtual bool osg::Fog::getModeUsage

(

StateAttribute::ModeUsage &

usage

)

const [inline, virtual]

Return the modes associated with this StateAttribute.

Reimplemented from osg::StateAttribute.

float osg::Fog::getStart

(

)

const [inline]

osg::Fog::META_StateAttribute	(	osg	,
		Fog	,
		FOG
	)

void osg::Fog::setColor

(

const Vec4 &

color

)

[inline]

void osg::Fog::setDensity

(

float

density

)

[inline]

void osg::Fog::setEnd

(

float

end

)

[inline]

void osg::Fog::setFogCoordinateSource

(

GLint

source

)

[inline]

void osg::Fog::setMode

(

Mode

mode

)

[inline]

void osg::Fog::setStart

(

float

start

)

[inline]

---

Member Data Documentation

Vec4 osg::Fog::_color [protected]

float osg::Fog::_density [protected]

float osg::Fog::_end [protected]

GLint osg::Fog::_fogCoordinateSource [protected]

Mode osg::Fog::_mode [protected]

float osg::Fog::_start [protected]

---

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

• Fog

---