SDFDifference2 Class Reference

Difference operator. More...

#include <sdf.h>

Inheritance diagram for SDFDifference2:

Public Member Functions
	SDFDifference2 (SDFNode2 *, SDFNode2 *)
	Create a difference node.
	SDFDifference2 (SDFNode2 *, SDFNode2 *, SDFNode2 *)
	Create a difference hierarchy.
	SDFDifference2 (SDFNode2 *, SDFNode2 *, SDFNode2 *, SDFNode2 *)
	Create a difference hierarchy.
virtual	~SDFDifference2 ()
	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.
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 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.
virtual QString	GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
	Compute the GLSL code to compute the gradient the sdf.
virtual double	K () const
	Return the Lipschitz constant of the node.
Box2	GetBox () const
	Return the bounding box of the node.

Additional Inherited Members
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

Difference operator.

Author

Lucie Fournier

Constructor & Destructor Documentation

SDFDifference2() [1/3]

SDFDifference2::SDFDifference2 ( SDFNode2 * a, SDFNode2 * b )

explicit

Create a difference node.

Parameters

a,b	Sub-trees.

SDFDifference2() [2/3]

SDFDifference2::SDFDifference2 ( SDFNode2 * a, SDFNode2 * b, SDFNode2 * c )

explicit

Create a difference hierarchy.

Create the tree (A \ B) \ C.

Parameters

a,b,c

Sub-trees.

SDFDifference2() [3/3]

SDFDifference2::SDFDifference2 ( SDFNode2 * a, SDFNode2 * b, SDFNode2 * c, SDFNode2 * d )

explicit

Create a difference hierarchy.

Create the tree ((A \ B) \ C) \ D.

Parameters

a,b,c,d

Sub-trees.

Member Function Documentation

GetShader()

QString SDFDifference2::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 SDFDifference2::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

Signed()

double SDFDifference2::Signed ( const Vector2 & p ) const

virtual

Compute the signed distance.

Parameters

p

Point.

Reimplemented from SDFNode2.