Signed Distance Fields 1.0
SDFRotate2 Class Reference

Rotation node. More...

#include <sdf.h>

Inheritance diagram for SDFRotate2:
SDFUnary2 SDFNode2

Public Member Functions

 SDFRotate2 (SDFNode2 *, const Matrix2 &)
 Create a rotation node.
 SDFRotate2 (const QJsonValue &json)
QJsonValue ToJson () const
 Conversion to JavaScript Object Notation.
virtual ~SDFRotate2 ()
 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 QString GetCostShader (PrimitiveManager &, std::list< QString > &, bool &) const
 Compute the GLSL code to compute the cost of a call to sdf.
void ComputeCostSigned (const Vector2 &)
 Compute the number of reccursive calls to Signed().
virtual int Memory () const
 Return the size of a sub-tree.
virtual SDFNode2Copy () 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 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 GetGradientShader (PrimitiveManager &, std::list< QString > &, bool &) const
 Compute the GLSL code to compute the gradient the sdf.
Box2 GetBox () const
 Return the bounding box of the node.

Protected Attributes

Matrix2 r
 Rotation matrix.
Protected Attributes inherited from SDFUnary2
SDFNode2e = 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.

Additional Inherited Members

Static Public Member Functions inherited from SDFNode2
static SDFNode2FromJson (const QJsonValue &json)
 Conversion from JavaScript Object Notation.
Static Protected Attributes inherited from SDFNode2
static constexpr double Epsilon = 0.01
 Small constant used for bounding volumes.

Detailed Description

Rotation node.

Author
Lucie Fournier

Constructor & Destructor Documentation

◆ SDFRotate2() [1/2]

SDFRotate2::SDFRotate2 ( SDFNode2 * e,
const Matrix2 & rotation )
explicit

Create a rotation node.

Parameters
eSub-tree.
rotationRotation matrix.

◆ SDFRotate2() [2/2]

SDFRotate2::SDFRotate2 ( const QJsonValue & json)

Member Function Documentation

◆ ComputeCostSigned()

void SDFRotate2::ComputeCostSigned ( const Vector2 & p)
virtual

Compute the number of reccursive calls to Signed().

Author
Hubert-Brierre Pierre

Reimplemented from SDFUnary2.

◆ GetCostShader()

QString SDFRotate2::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 SDFUnary2.

◆ GetShader()

QString SDFRotate2::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 SDFRotate2::Memory ( ) const
virtual

Return the size of a sub-tree.

Reimplemented from SDFNode2.

◆ Signed()

double SDFRotate2::Signed ( const Vector2 & p) const
virtual

Compute the signed distance.

Parameters
pPoint.

Reimplemented from SDFUnary2.

◆ ToJson()

QJsonValue SDFRotate2::ToJson ( ) const
virtual

Conversion to JavaScript Object Notation.

Reimplemented from SDFNode2.