Signed Distance Fields 1.0

Tube primitive. More...

#include <sdf.h>

Inheritance diagram for SDFTubular:
SDFEuclidean Tubular SDFPrimitive Axis SDFNode

Public Member Functions

 SDFTubular (const Vector &, const Vector &, const double, const double)
 Creates a tube.
 
 SDFTubular (const Tubular &)
 Create a tube.
 
virtual ~SDFTubular ()
 Destructor.
 
virtual double Signed (const Vector &) const
 Compute the signed Euclidean distance function.
 
virtual int Memory () const
 Return the size of a sub-tree.
 
virtual SDFNodeCopy () const
 Deep copy.
 
QString GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
- Public Member Functions inherited from SDFEuclidean
 SDFEuclidean ()
 Create an Euclidean primitive.
 
virtual ~SDFEuclidean ()
 Destructor.
 
- Public Member Functions inherited from SDFPrimitive
 SDFPrimitive ()
 Create a primitive.
 
virtual ~SDFPrimitive ()
 Destructor.
 
virtual void ComputeCostSigned (const Vector &)
 Compute the number of reccursive calls to Signed().
 
virtual QString GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the cost of a call to sdf.
 
virtual QString GetMaterialShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the material of the object.
 
void setShaderMaterial (ShaderMaterial *)
 Set the material of the primitive for the glsl code.
 
- Public Member Functions inherited from SDFNode
 SDFNode ()
 Create a generic node.
 
virtual ~SDFNode ()
 Destructor.
 
virtual double BID (const Vector &) const
 Compute a lower bound of the signed distance.
 
virtual Vector Gradient (const Vector &) const
 Compute the gradient of the field.
 
virtual bool Inside (const Vector &) const
 Check if a point is inside or outside.
 
virtual Color GetColor (const Vector &) const
 Computes the color.
 
virtual double K () const
 Return the Lipschitz constant of the node.
 
virtual double K (const Box &) const
 Return the local Lipschitz constant.
 
Box GetBox () const
 Return the bounding box of the node.
 
virtual int Nodes () const
 Compute the number of nodes in the sub-tree.
 
virtual QString GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
 Compute the GLSL code to compute the gradient the sdf.
 
virtual void ComputeCostBID (const Vector &)
 Compute the number of reccursive calls to BID() and Signed().
 

Additional Inherited Members

- Static Public Member Functions inherited from SDFNode
static void ResetReccursiveCalls ()
 Reset the reccursive call property of the tree.
 
static int ReccursiveCalls ()
 Returns the number of reccursive calls to Value() and BID().
 
static void addReccursiveCalls (int)
 Add a nulber to the nbreccursiveCalls.
 
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.
 
static SDFNodeSpherePieces ()
 Sphere carved, placed on a cylinder. Nice scene for testing sharp features reconstruction.
 
- Protected Attributes inherited from SDFNode
Box box = Box::Infinity
 Box bounding the surface.
 
double k = 1.0
 Lipschitz constant.
 
int cost = 1
 Relative computation cost.
 
- Static Protected Attributes inherited from SDFNode
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.
 
static int reccursiveCalls = 0
 Recursive calls to BID or Value.
 

Detailed Description

Tube primitive.

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Constructor & Destructor Documentation

◆ SDFTubular() [1/2]

SDFTubular::SDFTubular ( const Vector & a,
const Vector & b,
const double ri,
const double re )
explicit

Creates a tube.

Parameters
a,bEnd vertices.
ri,reInternal and external radii.

◆ SDFTubular() [2/2]

SDFTubular::SDFTubular ( const Tubular & t)
explicit

Create a tube.

Parameters
tTube.

Member Function Documentation

◆ GetShader()

QString SDFTubular::GetShader ( PrimitiveManager * primitives,
std::list< QString > * dependency,
bool * valid_glsl ) const
virtual

Compute the GLSL code to render the node.

Author
Hubert-Brierre Pierre

Reimplemented from SDFNode.

◆ Memory()

int SDFTubular::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

double SDFTubular::Signed ( const Vector & p) const
virtual

Compute the signed Euclidean distance function.

By default compute the signed distance to the bounding box of the primitive.

Parameters
pPoint.

Reimplemented from SDFEuclidean.