material
Class LambertianEmitter

java.lang.Object
  material.LambertianEmitter

All Implemented Interfaces:

IEmitter

public class LambertianEmitter
extends java.lang.Object
implements IEmitter

Field Summary

IPainter	radExPainter
double	scale

Constructor Summary

LambertianEmitter(IPainter radEx, double scale)

Method Summary

void	computeDirectLighting(IntersectionInfo intersection, IObject lumObject, RayState rs, Raycaster raycaster, IBSDF brdf, int numSamples, RGBColor amount)
RGBColor	emittedRadiance(IntersectionInfo ri, Vector3D out, Vector3D N) Flux per solid angle per unit projected area (Watt/m^2sr).

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

radExPainter

public IPainter radExPainter

scale

public double scale

Constructor Detail

LambertianEmitter

public LambertianEmitter(IPainter radEx,
                         double scale)

Parameters:

radEx - the radiant painter

scale - equal to the energy

Method Detail

emittedRadiance

public RGBColor emittedRadiance(IntersectionInfo ri,
                                Vector3D out,
                                Vector3D N)

Description copied from interface: IEmitter

Flux per solid angle per unit projected area (Watt/m^2sr).

Specified by:

emittedRadiance in interface IEmitter

Parameters:

ri - [in] intersection information

out - [in] outgoing vector from the surface of the luminary

N - [in] normal of the luminary

Returns:

the emitted radiance

computeDirectLighting

public void computeDirectLighting(IntersectionInfo intersection,
                                  IObject lumObject,
                                  RayState rs,
                                  Raycaster raycaster,
                                  IBSDF brdf,
                                  int numSamples,
                                  RGBColor amount)

Specified by:

computeDirectLighting in interface IEmitter

Parameters:

intersection - [in] info at the point of intersection

lumObject - [in] the object, which has this emitting property

rs - [in] actual state of the ray

raycaster - [in] caster to send a ray to the light

brdf - [in] the Bidirectional Scattering/Reflection Distribution Function

numSamples - [in] the number of rays to send to the light

amount - [in/out] the color is added to this