Signed Distance Fields 1.0
SDFCopy Class Reference

Duplicate a nodes. More...

#include <sdf.h>

Inheritance diagram for SDFCopy:
SDFUnary SDFNode

Public Member Functions

 SDFCopy (SDFNode *)
 Create a duplicable node. call to SDFNode::Copy will not copy the node anymore, il will duplicate it.
virtual ~SDFCopy ()
 Destructor. Only destruct the node if there is no other instance alive.
virtual double Signed (const Vector &) const
 Compute the signed distance.
QString GetShader (PrimitiveManager &, std::list< QString > &, bool &) const
 Compute the GLSL code to render the node.
QString GetGradientShader (PrimitiveManager &, std::list< QString > &, bool &) const
 Compute the GLSL code to compute the gradient the sdf.
virtual int Memory () const
 Return the size of a sub-tree.
virtual SDFNodeCopy () const
 DON'T REALLY COPY. Return a pointer t the same node.
Public Member Functions inherited from SDFUnary
 SDFUnary (SDFNode *)
 Create an unary node.
virtual ~SDFUnary ()
 Destroy the sub-tree.
virtual double K (const Box &) const
 Return the local Lipschitz constant.
virtual void SetShaderId (PrimitiveManager &)
 Set up an id for generating GLSL code.
virtual void ResetShaderId ()
 Reset the id for generating GLSL code.
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 sdf.
virtual void ComputeCostSigned (const Vector &)
 Compute the number of reccursive calls to Signed().
virtual int Nodes () const
 Compute the number of nodes in the sub-tree.
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.
Box GetBox () const
 Return the bounding box of the node.
void ResetShaderId ()
 Reset the id for generating GLSL code.
virtual QJsonValue ToJson () const
 Conversion to JavaScript Object Notation.
virtual void ComputeCostBID (const Vector &)
 Compute the number of reccursive calls to BID() and Signed().

Protected Member Functions

 SDFCopy (SDFNode *, int *)
 Internal constructor to duplicate a SDFNode.

Additional Inherited Members

Static Public Member Functions inherited from SDFNode
static SDFNodeFromJson (const QJsonValue &json)
 Conversion from JavaScript Object Notation.
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 SDFUnary
SDFNodee = nullptr
 Sub-tree.
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.
int id = -1
 Id to optimize the glsl code generation (avoid repetition when looking twice the same node).
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

Duplicate a nodes.

Constructor & Destructor Documentation

◆ SDFCopy() [1/2]

SDFCopy::SDFCopy ( SDFNode * n,
int * nb_instance )
explicitprotected

Internal constructor to duplicate a SDFNode.

Parameters
nSub-tree.
nb_instancea pointer to the number of instance

◆ SDFCopy() [2/2]

SDFCopy::SDFCopy ( SDFNode * n)
explicit

Create a duplicable node. call to SDFNode::Copy will not copy the node anymore, il will duplicate it.

Parameters
nSub-tree.

Member Function Documentation

◆ GetGradientShader()

QString SDFCopy::GetGradientShader ( PrimitiveManager & primitives,
std::list< QString > & dependency,
bool & valid_glsl ) const
virtual

Compute the GLSL code to compute the gradient the sdf.

Author
HUEBRT-BRIERRE Pierre

Reimplemented from SDFNode.

◆ GetShader()

QString SDFCopy::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 SDFCopy::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

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

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary.