#include <torus.h>
Public Member Functions | |
Torus (const Transform &o2w, bool ro, float marad, float mirad, float zmin, float zmax, float phiMax) | |
virtual | ~Torus () |
virtual BBox | ObjectBound () const |
virtual bool | Intersect (const Ray &ray, float *tHit, DifferentialGeometry *dg) const |
virtual bool | IntersectP (const Ray &ray) const |
virtual float | Area () const |
virtual Point | Sample (float u1, float u2, float u3, Normal *ns) const |
Static Public Member Functions | |
static Shape * | CreateShape (const Transform &o2w, bool reverseOrientation, const ParamSet ¶ms) |
Private Member Functions | |
bool | FindIntersection (const Ray &ray, float *tHit, Point *pHit, float *phiHit, float *thetaHit) const |
Private Attributes | |
float | majorRadius |
float | minorRadius |
float | phiMax |
float | thetaMin |
float | thetaMax |
float | zmin |
float | zmax |
Definition at line 31 of file torus.h.
Torus::Torus | ( | const Transform & | o2w, | |
bool | ro, | |||
float | marad, | |||
float | mirad, | |||
float | zmin, | |||
float | zmax, | |||
float | phiMax | |||
) |
Definition at line 333 of file torus.cpp.
References Clamp(), M_PI, majorRadius, cimg_library::cimg::max(), cimg_library::cimg::min(), minorRadius, phiMax, Radians(), thetaMax, thetaMin, zmax, and zmin.
Referenced by CreateShape().
float Torus::Area | ( | ) | const [virtual] |
Returns the area of this primitive.
Reimplemented from lux::Primitive.
Definition at line 450 of file torus.cpp.
References majorRadius, minorRadius, phiMax, thetaMax, and thetaMin.
Shape * Torus::CreateShape | ( | const Transform & | o2w, | |
bool | reverseOrientation, | |||
const ParamSet & | params | |||
) | [static] |
Definition at line 454 of file torus.cpp.
References lux::ParamSet::FindOneFloat(), majorRadius, minorRadius, and Torus().
bool Torus::FindIntersection | ( | const Ray & | ray, | |
float * | tHit, | |||
Point * | pHit, | |||
float * | phiHit, | |||
float * | thetaHit | |||
) | const [private] |
Definition at line 242 of file torus.cpp.
References Clamp(), lux::Ray::d, lux::Dot(), lux::Vector::Length(), M_PI, majorRadius, lux::Ray::maxt, minorRadius, lux::Ray::mint, lux::Ray::o, phiMax, quartic(), r2, thetaMax, lux::Point::x, lux::Point::y, lux::Point::z, and lux::Vector::z.
Referenced by Intersect(), and IntersectP().
bool Torus::Intersect | ( | const Ray & | ray, | |
float * | tHit, | |||
DifferentialGeometry * | dg | |||
) | const [virtual] |
Reimplemented from lux::Shape.
Definition at line 354 of file torus.cpp.
References lux::Cross(), lux::Dot(), FindIntersection(), blender::g, G(), minorRadius, lux::Normalize(), lux::Shape::ObjectToWorld, phiMax, thetaMax, thetaMin, lux::Shape::WorldToObject, lux::Point::x, lux::Point::y, and lux::Point::z.
bool Torus::IntersectP | ( | const Ray & | r | ) | const [virtual] |
Tests for intersection of this primitive with the given ray.
r | The ray to intersect with this primitive. |
Reimplemented from lux::Primitive.
Definition at line 438 of file torus.cpp.
References FindIntersection(), and lux::Shape::WorldToObject.
BBox Torus::ObjectBound | ( | ) | const [virtual] |
Reimplemented from lux::Shape.
Definition at line 349 of file torus.cpp.
References majorRadius, and minorRadius.
virtual Point lux::Torus::Sample | ( | float | u1, | |
float | u2, | |||
float | u3, | |||
Normal * | ns | |||
) | const [inline, virtual] |
Reimplemented from lux::Shape.
Definition at line 42 of file torus.h.
References majorRadius, minorRadius, lux::Normalize(), lux::Shape::ObjectToWorld, p, lux::Shape::reverseOrientation, thetaMax, and thetaMin.
float lux::Torus::majorRadius [private] |
Definition at line 68 of file torus.h.
Referenced by Area(), CreateShape(), FindIntersection(), ObjectBound(), Sample(), and Torus().
float lux::Torus::minorRadius [private] |
Definition at line 68 of file torus.h.
Referenced by Area(), CreateShape(), FindIntersection(), Intersect(), ObjectBound(), Sample(), and Torus().
float lux::Torus::phiMax [private] |
Definition at line 69 of file torus.h.
Referenced by Area(), FindIntersection(), Intersect(), and Torus().
float lux::Torus::thetaMax [private] |
Definition at line 70 of file torus.h.
Referenced by Area(), FindIntersection(), Intersect(), Sample(), and Torus().
float lux::Torus::thetaMin [private] |
float lux::Torus::zmax [private] |
float lux::Torus::zmin [private] |