SDFPrimitive2 Class Reference

Generic planar primitives. ,. More...

#include <sdf.h>

Inheritance diagram for SDFPrimitive2:

Public Member Functions
	SDFPrimitive2 ()
	Create a primitive.
virtual	~SDFPrimitive2 ()
	Destructor.
virtual double	Signed (const Vector2 &) const
	Compute the signed distance function.
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	GetShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
	Compute the GLSL code to render the node.
virtual QString	GetGradientShader (PrimitiveManager *, std::list< QString > *, bool *=nullptr) const
	Compute the GLSL code to compute the gradient the sdf.
virtual int	Memory () const
	Return the size of a sub-tree.
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.

Additional Inherited Members
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

Generic planar primitives. ,.

Member Function Documentation

ComputeCostSigned()

void SDFPrimitive2::ComputeCostSigned ( const Vector2 & p )

virtual

Compute the number of reccursive calls to Signed().

Author

Hubert-Brierre Pierre

Reimplemented from SDFNode2.

GetCostShader()

QString SDFPrimitive2::GetCostShader ( PrimitiveManager * primitives, std::list< QString > * dependency, bool * valid_glsl ) const

virtual

Compute the GLSL code to compute the cost of a call to sdf.

Author

Hubert-Brierre Pierre

Reimplemented from SDFNode2.

Signed()

double SDFPrimitive2::Signed ( const Vector2 & p ) const

virtual

Compute the signed distance function.

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

Parameters

p

Point.

Reimplemented from SDFNode2.

Reimplemented in SDFBox2, SDFCapsule2, SDFCircle2, SDFCircleArc2, SDFConvex2, SDFCubicCurveSet2, SDFDisc2, SDFEllipse2, SDFEuclidean2, SDFHeart2, SDFHemiDisc2, SDFHexagon2, SDFIsoceleTrapezoid2, SDFPentagon2, SDFPlane2, SDFPolygon2, SDFQuadricCurve2, SDFQuadricCurveSet2, SDFQuadricCurveSetThick2, and SDFQuadricCylinder2.