#include <spot.h>
Public Member Functions | |
| SpotLight (const Transform &light2world, const Spectrum &, float gain, float width, float fall) | |
| ~SpotLight () | |
| SWCSpectrum | Sample_L (const Point &p, Vector *wi, VisibilityTester *vis) const |
| bool | IsDeltaLight () const |
| float | Falloff (const Vector &w) const |
| SWCSpectrum | Power (const Scene *) const |
| SWCSpectrum | Sample_L (const Point &P, float u1, float u2, float u3, Vector *wo, 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 |
Static Public Member Functions | |
| static Light * | CreateLight (const Transform &light2world, const ParamSet ¶mSet) |
Private Attributes | |
| float | cosTotalWidth |
| float | cosFalloffStart |
| Point | lightPos |
| SPD * | LSPD |
Definition at line 32 of file spot.h.
| SpotLight::SpotLight | ( | const Transform & | light2world, | |
| const Spectrum & | intensity, | |||
| float | gain, | |||
| float | width, | |||
| float | fall | |||
| ) |
Definition at line 31 of file spot.cpp.
References cosFalloffStart, cosTotalWidth, lightPos, lux::Light::LightToWorld, LSPD, Radians(), and lux::SPD::Scale().
Referenced by CreateLight().
| Light * SpotLight::CreateLight | ( | const Transform & | light2world, | |
| const ParamSet & | paramSet | |||
| ) | [static] |
Definition at line 79 of file spot.cpp.
References lux::CoordinateSystem(), lux::ParamSet::FindOneFloat(), lux::ParamSet::FindOnePoint(), lux::ParamSet::FindOneSpectrum(), blender::g, lux::Transform::GetInverse(), lux::Normalize(), SpotLight(), lux::Translate(), lux::Point::x, lux::Vector::x, lux::Point::y, lux::Vector::y, lux::Point::z, and lux::Vector::z.
| float SpotLight::Falloff | ( | const Vector & | w | ) | const |
Definition at line 50 of file spot.cpp.
References cosFalloffStart, cosTotalWidth, lux::Normalize(), lux::Light::WorldToLight, and lux::Vector::z.
Referenced by Sample_L().
| bool lux::SpotLight::IsDeltaLight | ( | ) | const [inline, virtual] |
Implements lux::Light.
Implements lux::Light.
| SWCSpectrum lux::SpotLight::Power | ( | const Scene * | ) | const [inline, virtual] |
Implements lux::Light.
Definition at line 40 of file spot.h.
References cosFalloffStart, cosTotalWidth, LSPD, and M_PI.
| SWCSpectrum SpotLight::Sample_L | ( | const Scene * | scene, | |
| float | u1, | |||
| float | u2, | |||
| float | u3, | |||
| float | u4, | |||
| Ray * | ray, | |||
| float * | ||||
| ) | const [virtual] |
Implements lux::Light.
Definition at line 70 of file spot.cpp.
References cosTotalWidth, lux::Ray::d, Falloff(), lightPos, lux::Light::LightToWorld, LSPD, lux::Ray::o, lux::UniformConePdf(), and lux::UniformSampleCone().
| SWCSpectrum SpotLight::Sample_L | ( | const Point & | P, | |
| float | u1, | |||
| float | u2, | |||
| float | u3, | |||
| Vector * | wo, | |||
| float * | pdf, | |||
| VisibilityTester * | visibility | |||
| ) | const [virtual] |
| SWCSpectrum SpotLight::Sample_L | ( | const Point & | p, | |
| Vector * | wi, | |||
| VisibilityTester * | vis | |||
| ) | const [virtual] |
Implements lux::Light.
Definition at line 43 of file spot.cpp.
References lux::DistanceSquared(), Falloff(), lightPos, LSPD, lux::Normalize(), and lux::VisibilityTester::SetSegment().
Referenced by Sample_L().
float lux::SpotLight::cosFalloffStart [private] |
Definition at line 54 of file spot.h.
Referenced by Falloff(), Power(), and SpotLight().
float lux::SpotLight::cosTotalWidth [private] |
Definition at line 54 of file spot.h.
Referenced by Falloff(), Power(), Sample_L(), and SpotLight().
Point lux::SpotLight::lightPos [private] |
Definition at line 55 of file spot.h.
Referenced by Sample_L(), and SpotLight().
SPD* lux::SpotLight::LSPD [private] |
Definition at line 56 of file spot.h.
Referenced by Power(), Sample_L(), SpotLight(), and ~SpotLight().
1.6.1