#include <infinitesample.h>
Public Member Functions | |
InfiniteAreaLightIS (const Transform &light2world, const Spectrum &power, int ns, const string &texmap) | |
~InfiniteAreaLightIS () | |
SWCSpectrum | Power (const Scene *scene) const |
bool | IsDeltaLight () const |
SWCSpectrum | Le (const RayDifferential &r) const |
SWCSpectrum | Sample_L (const Point &p, float u1, float u2, float u3, Vector *wi, float *pdf, VisibilityTester *visibility) const |
SWCSpectrum | Sample_L (const Scene *scene, float u1, float u2, float u3, float u4, Ray *ray, float *pdf) const |
float | Pdf (const Point &, const Vector &) const |
SWCSpectrum | Sample_L (const Point &P, Vector *w, VisibilityTester *visibility) const |
Static Public Member Functions | |
static Light * | CreateLight (const Transform &light2world, const ParamSet ¶mSet) |
Private Attributes | |
Spectrum | Lbase |
MIPMap< Spectrum > * | radianceMap |
Distribution1D * | uDistrib |
Distribution1D ** | vDistribs |
Definition at line 62 of file infinitesample.h.
InfiniteAreaLightIS::InfiniteAreaLightIS | ( | const Transform & | light2world, | |
const Spectrum & | power, | |||
int | ns, | |||
const string & | texmap | |||
) |
Definition at line 36 of file infinitesample.cpp.
References M_PI, cimg_library::max(), lux::ReadImage(), and cimg_library::sin().
Referenced by CreateLight().
InfiniteAreaLightIS::~InfiniteAreaLightIS | ( | ) |
Light * InfiniteAreaLightIS::CreateLight | ( | const Transform & | light2world, | |
const ParamSet & | paramSet | |||
) | [static] |
Definition at line 163 of file infinitesample.cpp.
References lux::ParamSet::FindOneInt(), lux::ParamSet::FindOneSpectrum(), lux::ParamSet::FindOneString(), InfiniteAreaLightIS(), and lux::Light::nSamples.
Referenced by lux::MakeLight().
bool lux::InfiniteAreaLightIS::IsDeltaLight | ( | ) | const [inline, virtual] |
SWCSpectrum InfiniteAreaLightIS::Le | ( | const RayDifferential & | r | ) | const [virtual] |
Reimplemented from lux::Light.
Definition at line 85 of file infinitesample.cpp.
References lux::Ray::d, INV_PI, INV_TWOPI, Lbase, lux::Normalize(), radianceMap, lux::SphericalPhi(), lux::SphericalTheta(), and lux::Light::WorldToLight.
Referenced by Sample_L().
Implements lux::Light.
Definition at line 119 of file infinitesample.cpp.
References Clamp(), lux::Distribution1D::count, Float2Int(), lux::Distribution1D::func, lux::Distribution1D::funcInt, INV_PI, INV_TWOPI, M_PI, cimg_library::sin(), lux::SphericalPhi(), lux::SphericalTheta(), uDistrib, vDistribs, and lux::Light::WorldToLight.
SWCSpectrum lux::InfiniteAreaLightIS::Power | ( | const Scene * | scene | ) | const [inline, virtual] |
Implements lux::Light.
Definition at line 68 of file infinitesample.h.
References lux::BBox::BoundingSphere(), Lbase, M_PI, radianceMap, and lux::Scene::WorldBound().
SWCSpectrum InfiniteAreaLightIS::Sample_L | ( | const Point & | P, | |
Vector * | w, | |||
VisibilityTester * | visibility | |||
) | const [virtual] |
Implements lux::Light.
Definition at line 154 of file infinitesample.cpp.
References lux::random::floatValue(), and Sample_L().
SWCSpectrum InfiniteAreaLightIS::Sample_L | ( | const Scene * | scene, | |
float | u1, | |||
float | u2, | |||
float | u3, | |||
float | u4, | |||
Ray * | ray, | |||
float * | ||||
) | const [virtual] |
Implements lux::Light.
Definition at line 131 of file infinitesample.cpp.
References lux::AbsDot(), lux::BBox::BoundingSphere(), lux::Ray::d, Le(), M_PI, lux::Normalize(), lux::Ray::o, lux::UniformSampleSphere(), and lux::Scene::WorldBound().
SWCSpectrum InfiniteAreaLightIS::Sample_L | ( | const Point & | p, | |
float | u1, | |||
float | u2, | |||
float | u3, | |||
Vector * | wi, | |||
float * | pdf, | |||
VisibilityTester * | visibility | |||
) | const [virtual] |
Implements lux::Light.
Definition at line 97 of file infinitesample.cpp.
References Clamp(), cimg_library::cos(), lux::Distribution1D::count, Float2Int(), lux::Distribution1D::invCount, Lbase, lux::Light::LightToWorld, M_PI, radianceMap, lux::Distribution1D::Sample(), lux::VisibilityTester::SetRay(), cimg_library::sin(), uDistrib, and vDistribs.
Referenced by Sample_L().
Spectrum lux::InfiniteAreaLightIS::Lbase [private] |
MIPMap<Spectrum>* lux::InfiniteAreaLightIS::radianceMap [private] |
Definition at line 91 of file infinitesample.h.
Referenced by Le(), Power(), Sample_L(), and ~InfiniteAreaLightIS().
Distribution1D* lux::InfiniteAreaLightIS::uDistrib [private] |
Distribution1D ** lux::InfiniteAreaLightIS::vDistribs [private] |