mrpt::opengl::CLight Struct Reference

Detailed Description

Each of the possible lights of a 3D scene.

See also

COpenGLViewport IMPORTANT NOTE: It's the user responsibility to define unique light IDs for each light. The OpenGL standard only assures that valid IDs are 0,1,..7 Refer to standard OpenGL literature and tutorials for the meaning of each field.

Definition at line 32 of file CLight.h.

#include <mrpt/opengl/CLight.h>

Public Member Functions
	CLight ()
	Default constructor, sets default values. More...
void	setPosition (float x, float y, float z, float w)
void	setDirection (float dx, float dy, float dz)
void	writeToStream (mrpt::utils::CStream &out) const
void	readFromStream (mrpt::utils::CStream &in)
void	sendToOpenGL () const
	Define the light in the current OpenGL rendering context (users normally don't need to call this explicitly, it's done from within a. More...

Public Attributes
uint8_t	light_ID
	OpenGL ID (typical range: 0-7) More...
float	color_ambient [4]
float	color_diffuse [4]
float	color_specular [4]
float	position [4]
	[x,y,z,w]: w=0 means directional light, w=1 means a light at a real 3D position. More...
float	direction [3]
	[x,y,z] More...
float	constant_attenuation
float	linear_attenuation
float	quadratic_attenuation
float	spot_exponent
float	spot_cutoff

Constructor & Destructor Documentation

CLight()

CLight::CLight

(

)

Default constructor, sets default values.

Definition at line 24 of file CLight.cpp.

References color_ambient, color_diffuse, color_specular, setDirection(), and setPosition().

Here is the call graph for this function:

Member Function Documentation

readFromStream()

void CLight::readFromStream

(

mrpt::utils::CStream &

in

)

Definition at line 66 of file CLight.cpp.

References color_ambient, color_diffuse, color_specular, constant_attenuation, direction, light_ID, linear_attenuation, MRPT_THROW_UNKNOWN_SERIALIZATION_VERSION, position, quadratic_attenuation, spot_cutoff, and spot_exponent.

Referenced by mrpt::opengl::operator>>().

Here is the caller graph for this function:

sendToOpenGL()

void CLight::sendToOpenGL

(

)

const

Define the light in the current OpenGL rendering context (users normally don't need to call this explicitly, it's done from within a.

See also

COpenGLViewport)

Definition at line 88 of file CLight.cpp.

References color_ambient, color_diffuse, color_specular, constant_attenuation, direction, GL_AMBIENT, GL_CONSTANT_ATTENUATION, GL_DIFFUSE, GL_LIGHT0, GL_LINEAR_ATTENUATION, GL_POSITION, GL_QUADRATIC_ATTENUATION, GL_SPECULAR, GL_SPOT_CUTOFF, GL_SPOT_DIRECTION, GL_SPOT_EXPONENT, glEnable(), glLightf(), glLightfv(), light_ID, linear_attenuation, position, quadratic_attenuation, spot_cutoff, and spot_exponent.

Here is the call graph for this function:

setDirection()

void CLight::setDirection	(	float	dx,
		float	dy,
		float	dz
	)

Definition at line 115 of file CLight.cpp.

References direction.

Referenced by CLight().

Here is the caller graph for this function:

setPosition()

void CLight::setPosition	(	float	x,
		float	y,
		float	z,
		float	w
	)

Definition at line 108 of file CLight.cpp.

References position.

Referenced by CLight().

Here is the caller graph for this function:

writeToStream()

void CLight::writeToStream

(

mrpt::utils::CStream &

out

)

const

Definition at line 51 of file CLight.cpp.

References color_ambient, color_diffuse, color_specular, constant_attenuation, direction, light_ID, linear_attenuation, position, quadratic_attenuation, spot_cutoff, and spot_exponent.

Referenced by mrpt::opengl::operator<<().

Here is the caller graph for this function:

Member Data Documentation

color_ambient

float mrpt::opengl::CLight::color_ambient[4]

Definition at line 43 of file CLight.h.

Referenced by CLight(), readFromStream(), sendToOpenGL(), and writeToStream().

color_diffuse

float mrpt::opengl::CLight::color_diffuse[4]

Definition at line 44 of file CLight.h.

Referenced by CLight(), readFromStream(), sendToOpenGL(), and writeToStream().

color_specular

float mrpt::opengl::CLight::color_specular[4]

Definition at line 45 of file CLight.h.

Referenced by CLight(), readFromStream(), sendToOpenGL(), and writeToStream().

constant_attenuation

float mrpt::opengl::CLight::constant_attenuation

Definition at line 52 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().

direction

float mrpt::opengl::CLight::direction[3]

[x,y,z]

Definition at line 51 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), setDirection(), and writeToStream().

light_ID

uint8_t mrpt::opengl::CLight::light_ID

OpenGL ID (typical range: 0-7)

Definition at line 41 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().

linear_attenuation

float mrpt::opengl::CLight::linear_attenuation

Definition at line 53 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().

position

float mrpt::opengl::CLight::position[4]

[x,y,z,w]: w=0 means directional light, w=1 means a light at a real 3D position.

Definition at line 49 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), setPosition(), and writeToStream().

quadratic_attenuation

float mrpt::opengl::CLight::quadratic_attenuation

Definition at line 54 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().

spot_cutoff

float mrpt::opengl::CLight::spot_cutoff

Definition at line 56 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().

spot_exponent

float mrpt::opengl::CLight::spot_exponent

Definition at line 55 of file CLight.h.

Referenced by readFromStream(), sendToOpenGL(), and writeToStream().