SDFUnion2 Class Reference

Union operator. More...

#include <sdf.h>

Inheritance diagram for SDFUnion2:

Public Member Functions
	SDFUnion2 (SDFNode2 *, SDFNode2 *)
	Create a union node.
	SDFUnion2 (SDFNode2 *, SDFNode2 *, SDFNode2 *)
	Create a union hierarchy ((A ∪ B) ∪ C).
	SDFUnion2 (SDFNode2 *, SDFNode2 *, SDFNode2 *, SDFNode2 *)
	Create a union hierarchy ((A ∪ B) ∪ (C ∪ D)).
	SDFUnion2 (const QJsonValue &json)
QJsonValue	ToJson () const
	Conversion to JavaScript Object Notation.
virtual	~SDFUnion2 ()
	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.
QString	GetGradientShader (PrimitiveManager &, std::list< QString > &, bool &) const
	Compute the GLSL code to render the node.
virtual int	Memory () const
	Return the size of a sub-tree.
virtual SDFNode2 *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFBinary2
	SDFBinary2 (SDFNode2 *, SDFNode2 *)
	Create a binary node2.
virtual	~SDFBinary2 ()
	Recursively destroy the sub-trees.
int	Nodes () const
	Compute the number of nodes in the sub-tree.
virtual void	SetShaderId (PrimitiveManager &primitives)
	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 void	ComputeCostSigned (const Vector2 &)
	Compute the number of reccursive calls to Signed().
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.
void	ResetShaderId ()
	Reset the id for generating GLSL code.
virtual double	K () const
	Return the Lipschitz constant of the node.
Box2	GetBox () const
	Return the bounding box of the node.

Additional Inherited Members
Static Public Member Functions inherited from SDFNode2
static SDFNode2 *	FromJson (const QJsonValue &json)
	Conversion from JavaScript Object Notation.
Protected Attributes inherited from SDFBinary2
SDFNode2 *	e [2] = { nullptr,nullptr }
	Sub-trees.
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.
Static Protected Attributes inherited from SDFNode2
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.

Detailed Description

Union operator.

The union between two signed Euclidean distance functions yields another Euclidean signed distance function.

Author

Lucie Fournier

Constructor & Destructor Documentation

SDFUnion2() [1/4]

SDFUnion2::SDFUnion2 ( SDFNode2 * a, SDFNode2 * b )

explicit

Create a union node.

Parameters

a,b	Sub-trees.

SDFUnion2() [2/4]

SDFUnion2::SDFUnion2 ( SDFNode2 * a, SDFNode2 * b, SDFNode2 * c )

explicit

Create a union hierarchy ((A ∪ B) ∪ C).

Parameters

a,b,c

Sub-trees.

SDFUnion2() [3/4]

SDFUnion2::SDFUnion2 ( SDFNode2 * a, SDFNode2 * b, SDFNode2 * c, SDFNode2 * d )

explicit

Create a union hierarchy ((A ∪ B) ∪ (C ∪ D)).

Parameters

a,b,c,d

Sub-trees.

SDFUnion2() [4/4]

SDFUnion2::SDFUnion2 ( const QJsonValue & json )

explicit

Member Function Documentation

GetGradientShader()

QString SDFUnion2::GetGradientShader ( 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.

GetShader()

QString SDFUnion2::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 SDFUnion2::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

Signed()

double SDFUnion2::Signed ( const Vector2 & p ) const

virtual

Compute the signed distance.

Parameters

p

Point.

Reimplemented from SDFNode2.

ToJson()

QJsonValue SDFUnion2::ToJson ( ) const

virtual

Conversion to JavaScript Object Notation.

Reimplemented from SDFNode2.