#include <pointlight.h>

Inheritance diagram for VART::PointLight:

Public Member Functions
	PointLight ()

	PointLight (Point4D loc, float constantAtt=1.0, float linearAtt=0.0, float quadraticAtt=0.0)

void	SetAttenuation (float constant=1.0, float linear=0.0, float quadratic=0.0)
	Sets the three attenuation factors, described on OpenGL Red Book, Chapter 5: Lighting, section Creating Light Sources. More...

float	GetConstantAttenuation () const

float	GetLinearAttenuation () const

float	GetQuadraticAttenuation () const

virtual bool	DrawOGL (unsigned int oglLightID) const
	Draws (sets up) a light using OpenGL commands. More...

void	SetLocation (const Point4D &newLocation)

Point4D	GetLocation () const

Public Member Functions inherited from VART::Light
	Light ()

	Light (const Light &light)

	Light (float i, float ai, Color c, bool o)

	Light (const std::string &newDescription, float newIntensity, float newAmbientIntensity, const Color &newColor, const Point4D &newLocation)

virtual	~Light ()

virtual SceneNode *	Copy ()
	Returns a copy of an Light. Every derived class must reimplements this method, to avoid errors with VART::SceneNode::RecursiveCopy. More...

Light &	operator= (const Light &light)

void	SetIntensity (float i)

float	GetIntensity () const

void	SetAmbientIntensity (float ai)

float	GetAmbientIntensity () const

void	SetColor (const Color &c)

Color	GetColor () const

void	Turn (bool on_off)
	Turns a light on or off. More...

bool	IsOn () const

virtual bool	RecursiveBoundingBox (BoundingBox *bBox)
	Always returns false, therefore recursive bbox does not exist. More...

void	SetLocation (const Point4D &newLocation)
	Sets the location of the light. More...

Point4D	GetLocation () const

Transform *	GetTransform () const
	Gets a pointer to the light transform. More...

virtual void	DrawForPicking () const
	Draws and object, setting pick info. More...

Public Member Functions inherited from VART::SceneNode
	SceneNode ()
	Creates an uninitialized scene node. More...

	SceneNode (SceneNode &node)

virtual	~SceneNode ()

SceneNode &	operator= (const SceneNode &node)

virtual SceneNode *	RecursiveCopy ()

const std::string &	GetDescription () const
	Returns a copy of the object's description. More...

void	SetDescription (const std::string &desc)
	Changes the object's description. More...

void	AddChild (SceneNode &child)
	Add a child at the end of child list. More...

bool	DetachChild (SceneNode *childPtr)
	Removes a child from the child list. More...

virtual bool	DrawOGL () const
	Recursive drawing using OpenGL commands. More...

virtual TypeID	GetID () const
	Returns type identification of the node. More...

void	AutoDeleteChildren () const
	Deletes (dealocate memory) recursively all children marked as 'autoDelete'. More...

SceneNode *	FindChildByName (const std::string &name) const
	Recusively searches its children for a given name. More...

std::list< SceneNode * >	GetChilds ()

bool	FindPathTo (SceneNode targetPtr, SGPath resultPtr) const
	Search target among children. More...

bool	FindPathTo (const std::string &targetName, SGPath *resultPtr) const
	Search target among children. More...

int	GetNodeTypeList (TypeID type, std::list< SceneNode * > &nodeList)
	Find all the nodes of with typeID 'type'. More...

virtual void	TraverseDepthFirst (SNOperator *operatorPtr) const
	Process all children in depth-first order. More...

virtual void	TraverseBreadthFirst (SNOperator *operatorPtr) const
	Process all children in breadth-first order. More...

virtual void	LocateDepthFirst (SNLocator *locatorPtr) const
	Seaches for a particular scene node (depth first) More...

virtual void	LocateBreadthFirst (SNLocator *locatorPtr) const
	Seaches for a particular scene node (breadth first) More...

virtual void	XmlPrintOn (std::ostream &os, unsigned int indent) const
	Recursively outputs XML representation of the scene node. More...

Public Member Functions inherited from VART::MemoryObj
	MemoryObj ()
	Default constructor. More...

	MemoryObj (const VART::MemoryObj &obj)
	Copy constructor. More...

Additional Inherited Members
Public Types inherited from VART::SceneNode
enum	TypeID { NONE, GRAPHIC_OBJ, BOX, CONE, CURVE, BEZIER, CYLINDER, IMAGE, IMAGE_2D, VOLUME, MESH_OBJECT, SPHERE, JOINT, BIAXIAL_JOINT, CONDYLAR_JOINT, ELLIPSOID_JOINT, SADDLE_JOINT, PLANE_JOINT, POLYAXIAL_JOINT, UNIAXIAL_JOINT, HINGE_JOINT, PIVOT_JOINT, TRANSFORM }

Static Public Member Functions inherited from VART::Light
static const Light &	SUN ()
	White directional light towards negative Y. Small ambient intensity. More...

static const Light &	BRIGHT_AMBIENT ()
	Strong, white ambient light. More...

Public Attributes inherited from VART::MemoryObj
bool	autoDelete

Static Public Attributes inherited from VART::SceneNode
static bool	recursivePrinting = true

Protected Member Functions inherited from VART::Light
unsigned int	getOpenGLID (unsigned int lightID) const

Protected Member Functions inherited from VART::SceneNode
virtual bool	DrawInstanceOGL () const
	Non-recursive drawing - should be overriden by every derived class. More...

bool	RecursiveFindPathTo (SceneNode targetPtr, SGPath resultPtr) const
	Recursive auxiliar method for FindPathTo. More...

bool	RecursiveFindPathTo (const std::string &targetName, SGPath *resultPtr) const
	Recursive auxiliar method for FindPathTo. More...

Protected Attributes inherited from VART::Light
Transform *	transform

Point4D	location

Protected Attributes inherited from VART::SceneNode
std::list< SceneNode * >	childList
	Child list. More...

std::string	description
	Textual identification. More...

Detailed Description

Point light source.

This is a Light with attenuation.

Definition at line 14 of file pointlight.h.

Constructor & Destructor Documentation

VART::PointLight::PointLight ( )

VART::PointLight::PointLight	(	Point4D	loc,
		float	constantAtt = `1.0`,
		float	linearAtt = `0.0`,
		float	quadraticAtt = `0.0`
	)

Definition at line 14 of file pointlight.cpp.

References SetAttenuation(), and SetLocation().

Member Function Documentation

bool VART::PointLight::DrawOGL ( unsigned int oglLightID ) const

virtual

Draws (sets up) a light using OpenGL commands.

Returns: false if V-ART was not compiled with OpenGL support.

Parameters

oglLightID [in] OpenGL ID for light in the range 0..7.

Reimplemented from VART::Light.

Definition at line 25 of file pointlight.cpp.

References VART::SceneNode::DrawOGL().

float VART::PointLight::GetConstantAttenuation ( ) const

inline

Definition at line 32 of file pointlight.h.

float VART::PointLight::GetLinearAttenuation ( ) const

inline

Definition at line 33 of file pointlight.h.

Point4D VART::PointLight::GetLocation ( ) const

inline

Definition at line 42 of file pointlight.h.

References VART::Light::location.

float VART::PointLight::GetQuadraticAttenuation ( ) const

inline

Definition at line 34 of file pointlight.h.

void VART::PointLight::SetAttenuation	(	float	constant = `1.0`,
		float	linear = `0.0`,
		float	quadratic = `0.0`
	)

Sets the three attenuation factors, described on OpenGL Red Book, Chapter 5: Lighting, section Creating Light Sources.

Parameters

constant	[in] Constant attenuation factor.
linear	[in] Linear attenuation factor.
quadratic	[in] Quadratic attenuation factor.

Definition at line 19 of file pointlight.cpp.

Referenced by PointLight().

void VART::PointLight::SetLocation ( const Point4D & newLocation )

inline

Definition at line 41 of file pointlight.h.

References VART::Light::location.

Referenced by PointLight().

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation