Signed Distance Fields 1.0

Frame node. More...

#include <sdf.h>

Inheritance diagram for SDFFrame2:
SDFUnary2 SDFNode2

Public Member Functions

 SDFFrame2 (SDFNode2 *=nullptr, const Frame2 &=Frame2::Id)
 Create a frame node.
 
virtual ~SDFFrame2 ()
 Destructor.
 
double Signed (const Vector2 &) const
 Compute the signed distance.
 
QString GetShader (PrimitiveManager *, std::list< QString > *, bool *) const
 Compute the GLSL code to render the node.
 
void ComputeCostSigned (const Vector2 &)
 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 SDFNode2Copy () const
 Deep copy.
 
- Public Member Functions inherited from SDFUnary2
 SDFUnary2 (SDFNode2 *)
 Create an unary planar node.
 
virtual ~SDFUnary2 ()
 Destroy the sub-tree.
 
virtual double K () const
 Return the Lipschitz constant of the node.
 
virtual int Nodes () const
 Compute the number of nodes in the sub-tree.
 
- Public Member Functions inherited from SDFNode2
 SDFNode2 ()
 Create a generic node.
 
virtual ~SDFNode2 ()
 Destructor.
 
virtual Vector2 Gradient (const Vector2 &) const
 Compute the gradient of the field.
 
virtual bool Inside (const Vector2 &) const
 Check if a point is inside or outside.
 
virtual QString GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
 Compute the GLSL code to compute the gradient the sdf.
 
Box2 GetBox () const
 Return the bounding box of the node.
 

Protected Attributes

Frame2 frame
 Frame.
 
- Protected Attributes inherited from SDFUnary2
SDFNode2e = nullptr
 Sub-tree.
 
- Protected Attributes inherited from SDFNode2
Box2 box = Box2::Infinity
 Box bounding the surface.
 
double k = 1.0
 Lipschitz constant.
 
int cost = 1
 Cost of the node.
 

Additional Inherited Members

- Static Protected Attributes inherited from SDFNode2
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.
 

Detailed Description

Constructor & Destructor Documentation

◆ SDFFrame2()

SDFFrame2::SDFFrame2 ( SDFNode2 * n = nullptr,
const Frame2 & f = Frame2::Id )
explicit

Create a frame node.

Parameters
nSub-tree.
fFrame

Member Function Documentation

◆ ComputeCostSigned()

void SDFFrame2::ComputeCostSigned ( const Vector2 & p)
virtual

Compute the number of reccursive calls to Signed().

Author
Hubert-Brierre Pierre

Reimplemented from SDFUnary2.

◆ GetCostShader()

QString SDFFrame2::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 SDFUnary2.

◆ GetShader()

QString SDFFrame2::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 SDFNode2.

◆ Memory()

int SDFFrame2::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

◆ Signed()

double SDFFrame2::Signed ( const Vector2 & p) const
virtual

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary2.