Signed Distance Fields 1.0
Public Member Functions | Protected Attributes | List of all members
SDFSphereNoiseRadial Class Reference

Bumped sphere obtained by a turbulence-based radial perturbation of the radius. More...

#include <sdf.h>

Inheritance diagram for SDFSphereNoiseRadial:
SDFSphere SDFEuclidean Sphere SDFPrimitive SDFNode

Public Member Functions

 SDFSphereNoiseRadial (const Vector &, double, double, double, int)
 Create a sphere radialy perturbed by a simplex turbulence. More...
 
 SDFSphereNoiseRadial (const Vector &, double, const SimplexTurbulence &)
 Create a sphere radialy perturbed by a simplex turbulence. More...
 
virtual ~SDFSphereNoiseRadial ()
 Destructor.
 
double Signed (const Vector &) const
 Compute the signed distance. More...
 
Vector Gradient (const Vector &) const
 Compute the gradient of the field. More...
 
int Memory () const
 Return the size of a sub-tree. More...
 
virtual SDFNodeCopy () const
 Deep copy.
 
- Public Member Functions inherited from SDFSphere
 SDFSphere (const Vector &, double)
 Create a sphere scalar field. More...
 
 SDFSphere (double)
 Create a sphere scalar field. More...
 
 SDFSphere (const Sphere &)
 Create a sphere scalar field. More...
 
virtual ~SDFSphere ()
 Destructor.
 
- Public Member Functions inherited from SDFEuclidean
 SDFEuclidean ()
 Create an Euclidean primitive. More...
 
virtual ~SDFEuclidean ()
 Destructor.
 
- Public Member Functions inherited from SDFPrimitive
 SDFPrimitive ()
 Create a primitive.
 
virtual ~SDFPrimitive ()
 Destructor.
 
- Public Member Functions inherited from SDFNode
 SDFNode ()
 Create a generic node.
 
virtual ~SDFNode ()
 Destructor.
 
virtual bool Inside (const Vector &) const
 Check if a point is inside or outside. More...
 
virtual double K () const
 Return the Lipschitz constant of the node. More...
 
virtual double K (const Box &) const
 Return the local Lipschitz constant. More...
 
Box GetBox () const
 Return the bounding box of the node.
 
virtual int Nodes () const
 Compute the number of nodes in the sub-tree.
 

Protected Attributes

SimplexTurbulence turb
 Turbulence.
 
- Protected Attributes inherited from SDFNode
Box box
 Box bounding the surface.
 
double k
 Lipschitz constant.
 

Additional Inherited Members

- Static Public Member Functions inherited from SDFNode
static double SmoothingPolynomialCubic (double d1, double d2, double sr)
 Generalized C2 polynomial smoothing function between two distances. More...
 
static double SmoothingPolynomial (double d1, double d2, double sr)
 Generalized C1 polynomial smoothing function between two distances. More...
 
static double SmoothingQuilez (double d1, double d2, double sr)
 Generalized polynomial smoothing function between two distances. More...
 
static double SmoothingExp (double d1, double d2, double sr)
 Generalized exponential smoothing function between two distances. More...
 
static SDFNodeStalactite (const Vector &p, const double &h, const double &r, bool noise=true, Random &random=Random::R239, const double &largeur=0.25, const double &espacement=0.61)
 Procedural parameterized stalactite. More...
 
static SDFNodeSpherePieces ()
 Sphere carved, placed on a cylinder. Nice scene for testing sharp features reconstruction.
 
- Static Protected Attributes inherited from SDFNode
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.
 

Detailed Description

Bumped sphere obtained by a turbulence-based radial perturbation of the radius.

Constructor & Destructor Documentation

◆ SDFSphereNoiseRadial() [1/2]

SDFSphereNoiseRadial::SDFSphereNoiseRadial ( const Vector c,
double  r,
double  a0,
double  f0,
int  o 
)
explicit

Create a sphere radialy perturbed by a simplex turbulence.

Parameters
cCenter.
rRadius.
a0,f0Base amplitude and frequency.
oOctaves.

◆ SDFSphereNoiseRadial() [2/2]

SDFSphereNoiseRadial::SDFSphereNoiseRadial ( const Vector c,
double  r,
const SimplexTurbulence t 
)
explicit

Create a sphere radialy perturbed by a simplex turbulence.

Parameters
cCenter.
rRadius.
tTurbulence.

Member Function Documentation

◆ Gradient()

Vector SDFSphereNoiseRadial::Gradient ( const Vector p) const
virtual

Compute the gradient of the field.

Parameters
pPoint.

Reimplemented from SDFSphere.

◆ Memory()

int SDFSphereNoiseRadial::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFSphere.

◆ Signed()

double SDFSphereNoiseRadial::Signed ( const Vector p) const
virtual

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFSphere.