Signed Distance Fields 1.0

Frame node. More...

#include <sdf.h>

Inheritance diagram for SDFFrame:
SDFUnary SDFNode

Public Member Functions

 SDFFrame (SDFNode *=nullptr, const Frame &=Frame::Id)
 Create a frame node.
 
virtual ~SDFFrame ()
 Destructor.
 
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.
 
void ComputeCostSigned (const Vector &)
 Compute the number of reccursive calls to Signed().
 
QString GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the cost of a call to sdf.
 
virtual int Memory () const
 Return the size of a sub-tree.
 
virtual SDFNodeCopy () const
 Deep copy.
 
- 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 QString GetMaterialShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the material of the sdf.
 
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.
 
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().
 

Protected Attributes

Frame frame
 Frame.
 
- 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.
 

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.
 
- 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

Constructor & Destructor Documentation

◆ SDFFrame()

SDFFrame::SDFFrame ( SDFNode * n = nullptr,
const Frame & f = Frame::Id )
explicit

Create a frame node.

Parameters
nSub-tree.
fFrame

Member Function Documentation

◆ ComputeCostSigned()

void SDFFrame::ComputeCostSigned ( const Vector & p)
virtual

Compute the number of reccursive calls to Signed().

Author
Hubert-Brierre Pierre

Reimplemented from SDFUnary.

◆ GetCostShader()

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

Compute the GLSL code to compute the cost of a call to sdf.

Author
Hubert-Brierre Pierre

Reimplemented from SDFUnary.

◆ GetShader()

QString SDFFrame::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 SDFFrame::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

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

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary.