Noise field. More...

#include <sdf.h>

Inheritance diagram for SDFNoise2:

Public Member Functions
	SDFNoise2 (SDFNode2 *, double, double)
	Creates a noise field.
virtual	~SDFNoise2 ()
	Destructor.
double	Signed (const Vector2 &) const
	Compute the signed distance.
virtual int	Memory () const
	Return the size of a sub-tree.
virtual SDFNode2 *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFUnary2
	SDFUnary2 (SDFNode2 *)
	Create an unary planar node.
virtual	~SDFUnary2 ()
	Destroy 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().
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.
void	ResetShaderId ()
	Reset the id for generating GLSL code.
virtual QString	GetShader (PrimitiveManager &, std::list< QString > &, bool &) const
	Compute the GLSL code to render the node.
virtual QString	GetGradientShader (PrimitiveManager &, std::list< QString > &, bool &) const
	Compute the GLSL code to compute the gradient the sdf.
virtual QJsonValue	ToJson () const
	Conversion to JavaScript Object Notation.
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 SDFUnary2
SDFNode2 *	e = 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.
Static Protected Attributes inherited from SDFNode2
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.

Detailed Description

Noise field.

Author: Lucie Fournier

Constructor & Destructor Documentation

◆ SDFNoise2()

SDFNoise2::SDFNoise2	(	SDFNode2 *	n,
		double	a,
		double	w )

explicit

Creates a noise field.

Parameters

n	Sub-tree.
w	Wavelength.
a	Amplitude.

Member Function Documentation

◆ Memory()

int SDFNoise2::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

◆ Signed()

double SDFNoise2::Signed ( const Vector2 & p ) const

virtual

Compute the signed distance.

Parameters

p Point.

Reimplemented from SDFUnary2.