>simple class to hold the properties of a light source More...

Public Types
typedef color< float, RGB >	rgb
	>used color type

typedef cgv::math::fvec< float, 3 >	vec3
	>type of vector used for directions

Public Member Functions
	light_source (LightType _t=LT_DIRECTIONAL)
	init with default values

void	set_type (LightType t)

Protected Attributes
LightType	type
	>type of light source

bool	local_to_eye_coordinates
	>whether location is relative to eye coordinate system, i.e. model view is identity

vec3	position
	> direction to light source for directional light sources and location of light source for point or spot light sources

rgb	emission
	> radiance for directional light sources and intensity for point light sources

float	ambient_scale
	> scale to use on emission to retrieve ambient illumination caused by light source

float	constant_attenuation
	>constant attenuation coefficients used for positional light sources only

float	linear_attenuation
	>linear attenuation coefficients used for positional light sources only

float	quadratic_attenuation
	>quadratic attenuation coefficients used for positional light sources only

vec3	spot_direction
	>direction of spot light

float	spot_exponent
	>spot exponent

float	spot_cutoff
	>spot cutoff in degrees

Detailed Description

>simple class to hold the properties of a light source

Member Function Documentation

void cgv::media::illum::light_source::set_type ( LightType t )

inline

name getter and setters for members

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