Signed Distance Fields 1.0
SDFPrimitive Class Reference

Generic primitives. More...

#include <sdf.h>

Inheritance diagram for SDFPrimitive:
SDFNode SDF3DNoisePrimitive SDFBlob SDFConvex SDFCuboctahedron SDFDodecahedron SDFEgg SDFEuclidean SDFExtrusionInterpolation SDFExtrusionNoise SDFFromPlanar SDFHeightField SDFHyperDisc SDFHyperEdge SDFHyperEllipsoid SDFHyperSphere SDFHyperTorus SDFIcosahedron SDFIcosidodecahedron SDFQuadricCylinder SDFQuadricSweptSphere SDFRhombicDodecahedron SDFRotational SDFSpheroid SDFTerrain SDFTerrainLoD SDFTerrainLoDContinuous SDFTerrainLoDContinuousBEIS SDFTestHeightfieldBinaire SDFVirtualHeightField SDFVoxel

Public Member Functions

 SDFPrimitive ()
 Create a primitive.
 
virtual ~SDFPrimitive ()
 Destructor.
 
virtual double Signed (const Vector &) const
 Compute the signed distance function.
 
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 int Memory () const
 Return the size of a sub-tree.
 
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 GetShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
 Compute the GLSL code to render 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().
 

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

Generic primitives.

Member Function Documentation

◆ ComputeCostSigned()

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

Compute the number of reccursive calls to Signed().

Author
Hubert-Brierre Pierre

Reimplemented from SDFNode.

Reimplemented in SDFExtrusionAxis, SDFExtrusionQuadric, and SDFFromPlanar.

◆ GetCostShader()

QString SDFPrimitive::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 SDFNode.

Reimplemented in SDF3DNoisePrimitive, SDFConvex, SDFExtrusionAxis, SDFExtrusionQuadric, SDFFromPlanar, SDFPlane, SDFTerrainLoD, SDFTerrainLoDContinuous, and SDFTerrainLoDContinuousBEIS.

◆ GetMaterialShader()

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

Compute the GLSL code to compute the material of the object.

Author
Hubert-Brierre Pierre

Reimplemented from SDFNode.

Reimplemented in SDFTerrainLoDContinuous.

◆ setShaderMaterial()

void SDFPrimitive::setShaderMaterial ( ShaderMaterial * new_shader_material)

Set the material of the primitive for the glsl code.

Author
Hubert-Brierre Pierre

◆ Signed()