Signed Distance Fields 1.0

Plane primitive, in fact halt-space. , More...

#include <sdf.h>

Inheritance diagram for SDFPlane:
SDFEuclidean Plane SDFPrimitive SDFNode

Public Member Functions

 SDFPlane (const Vector &, const Vector &)
 Create a plane.
 
 SDFPlane (const Plane &)
 Create a plane.
 
 SDFPlane (const Plane &, const Box &)
 Create a plane.
 
virtual ~SDFPlane ()
 Destructor.
 
virtual double Signed (const Vector &) const
 Compute the signed Euclidean distance function.
 
QString GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
QString GetCostShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to compute the cost of a call to sdf.
 
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
 Deep copy.
 
- 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 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 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

Plane primitive, in fact halt-space. ,

Constructor & Destructor Documentation

◆ SDFPlane() [1/3]

SDFPlane::SDFPlane ( const Vector & n,
const Vector & p )
explicit

Create a plane.

Parameters
nNormal to the plane.
pPoint on the plane.

◆ SDFPlane() [2/3]

SDFPlane::SDFPlane ( const Plane & p)
explicit

Create a plane.

p The plane.

◆ SDFPlane() [3/3]

SDFPlane::SDFPlane ( const Plane & p,
const Box & b )
explicit

Create a plane.

p The plane.

b The box.

Member Function Documentation

◆ GetCostShader()

QString SDFPlane::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 SDFPrimitive.

◆ GetGradientShader()

QString SDFPlane::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 SDFPlane::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 SDFPlane::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode.

◆ Signed()

double SDFPlane::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.
See also
Plane::Signed(const Vector&)

Reimplemented from SDFEuclidean.