Signed distance field for cylinder with a quadric varying radius. More...

#include <sdf.h>

Inheritance diagram for SDFQuadricCylinder2:

Public Member Functions
	SDFQuadricCylinder2 (const Vector2 &, const Vector2 &, const Quadric &)
	Create a quadric cylinder.

virtual	~SDFQuadricCylinder2 ()
	Destructor.

virtual double	Signed (const Vector2 &) const
	Compute the signed Euclidean distance function.

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 SDFPrimitive2
	SDFPrimitive2 ()
	Create a primitive.

virtual	~SDFPrimitive2 ()
	Destructor.

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.

virtual int	Nodes () const
	Compute the number of nodes in the sub-tree.

Protected Attributes
Quadric	radius
	Quadric radius.

double	rb
	Radii at vertexes.

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

Signed distance field for cylinder with a quadric varying radius.

Constructor & Destructor Documentation

SDFQuadricCylinder2::SDFQuadricCylinder2	(	const Vector2 &	a,
		const Vector2 &	b,
		const Quadric &	r )

explicit

Create a quadric cylinder.

Parameters

a,b	Axis vertexes.
r	Quadric radius.

QString SDFQuadricCylinder2::GetShader	(	PrimitiveManager *	primitives,
		std::list< QString > *	dependency,
		bool *	valid_glsl ) const

virtual

Compute the GLSL code to render the node.

Reimplemented from SDFNode2.

int SDFQuadricCylinder2::Memory ( ) const

virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

double SDFQuadricCylinder2::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.

Reimplemented from SDFPrimitive2.