SDFHemiDisc2 Class Reference

True signed distance field for a hemi-disc. More...

#include <sdf.h>

Inheritance diagram for SDFHemiDisc2:

Public Member Functions
	SDFHemiDisc2 (const Vector2 &, const Vector2 &, const double)
	Create a half-disc. More...
virtual	~SDFHemiDisc2 ()
	Destructor.
double	Signed (const Vector2 &) const
	Compute the signed Euclidean distance function. More...
int	Memory () const
	Return the size of a sub-tree. More...
virtual SDFNode2 *	Copy () const
	Deep copy.
Public Member Functions inherited from SDFEuclidean2
	SDFEuclidean2 ()
	Create an Euclidean primitive. More...
virtual	~SDFEuclidean2 ()
	Destructor.
Public Member Functions inherited from SDFPrimitive2
	SDFPrimitive2 ()
	Create a primitive.
virtual	~SDFPrimitive2 ()
	Destructor.
Public Member Functions inherited from SDFNode2
	SDFNode2 ()
	Create a generic node. More...
virtual	~SDFNode2 ()
	Destructor.
virtual double	K () const
	Return the Lipschitz constant of the node. More...
Box2	GetBox () const
	Return the bounding box of the node.
virtual int	Nodes () const
	Compute the number of nodes in the sub-tree.

Additional Inherited Members
Protected Attributes inherited from SDFNode2
Box2	box
	Box bounding the surface.
double	k
	Lipschitz constant.
Static Protected Attributes inherited from SDFNode2
static constexpr double	Epsilon = 0.01
	Small constant used for bounding volumes.

Detailed Description

True signed distance field for a hemi-disc.

Author

Lucie Fournier

Constructor & Destructor Documentation

SDFHemiDisc2()

SDFHemiDisc2::SDFHemiDisc2 ( const Vector2 &  c, const Vector2 &  a, const double  r  )

explicit

Create a half-disc.

Parameters

c	Center.
a	Axis.
r	Radius.

Member Function Documentation

Memory()

int SDFHemiDisc2::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

Signed()

double SDFHemiDisc2::Signed ( const Vector2 &  p ) const

virtual

Compute the signed Euclidean distance function.

By default compute the signed distance to the bounding box of the primitive.

Parameters

p

Point.

See also

SDFHemiSphere::Signed(const Vector&) const

Reimplemented from SDFEuclidean2.