SphereTracingWidget Class Reference

SDF rendering widget based on sphere-tracing. More...

#include <realtime.h>

Public Member Functions
	SphereTracingWidget (QWidget *parent=nullptr)
	Default constructor.
	~SphereTracingWidget ()
	Destructor. Release shader program.
virtual void	paintGL ()
	Renders the scene.
virtual void	ReloadShaders ()
	Reload the shaders of the widget. Useful for realtime editing and fine tuning of the rendering.
void	AddSDF (const QString &, const QString &)
	Add a new sdf in the scene.
void	DeleteSDF (const QString &)
	Delete a sdf in the scene from its name.
bool	HasSDF (const QString &) const
	Check if a sdf exists in the widget.
void	ClearAll ()
	Destroys all sdf objects in the scene.
void	UpdateSDF (const QString &, const FrameScaled &)
	Updates the transform of a sdf given its name.
void	EnableSDF (const QString &)
	Enable a sdf given its name.
void	DisableSDF (const QString &)
	Disable a sdf given its name. The sdf will not be rendered until it's enabled again.
void	setShading (int)
	Set the shading to use.
void	setSampleFieldNormal (const Vector &)
	Set the normal of the plane showing the sdf field.
void	setSampleFieldPoint (const Vector &)
	Set the offset of the plane showing the sdf field.
void	setSampleFieldParam (float freq, float size, bool disk, bool cost, bool showInPhotobox)
	Set the frequence of the sdf field.
void	setMaxCost (int)
	Set the maximum cost to show on the cost shader.
void	setKG (float)
	Set the geometric interpolation coeficient.
void	setKN (float)
	Set the normal interpolation coeficient.
void	setAA (int)
	Set the anti-aliasing level.
void	setUseBEIS (float)
	Set the useBEIS variable.
void	setUseLoD (float)
	Set the useBEIS variable.
void	setVerticalLoD (bool)
	Set the verticalLoD variable.
void	setAutoScaleCost (bool)
	Set the autoScaleCost variable.
void	setEvaluationPoints (std::vector< Vector >, std::vector< float >)
	Set all the evaluations points.
void	setNbSteps (int)
	Set the number of step of the sphere tracing.

Protected Member Functions
void	RenderSDF ()
	Render all the sdf.
void	RenderPoints ()
	Render all the evaluation points.

Protected Attributes
int	aa = 0
	Anti aliasing size.
PointGL	evaluationsPoints
	3D points where we count the number of reccursive call done when evaluating the tree.

Detailed Description

SDF rendering widget based on sphere-tracing.

Author

Hubert-Brierre Pierre

Member Function Documentation

AddSDF()

void SphereTracingWidget::AddSDF	(	const QString &	name,
		const QString &	sdf_code_glsl )

Add a new sdf in the scene.

Parameters

sdf_code_glsl	new sdf glsl code
frame	sdf frame, identity by default.

DeleteSDF()

void SphereTracingWidget::DeleteSDF

(

const QString &

name

)

Delete a sdf in the scene from its name.

Parameters

sdf

mesh sdf

DisableSDF()

void SphereTracingWidget::DisableSDF

(

const QString &

name

)

Disable a sdf given its name. The sdf will not be rendered until it's enabled again.

Parameters

name

sdf name

EnableSDF()

void SphereTracingWidget::EnableSDF

(

const QString &

name

)

Enable a sdf given its name.

Parameters

name

sdf name

HasSDF()

bool SphereTracingWidget::HasSDF

(

const QString &

name

)

const

Check if a sdf exists in the widget.

Parameters

name

sdf name

RenderPoints()

void SphereTracingWidget::RenderPoints ( )

protected

Render all the evaluation points.

Author

Hubert-Brierre Pierre

References evaluationsPoints, Matrix4Float::LookAt(), Matrix4Float::Orthographic(), Matrix4Float::Perspective(), and Math::RadianToDegree().

Referenced by paintGL().

RenderSDF()

void SphereTracingWidget::RenderSDF ( )

protected

Render all the sdf.

Author

Hubert-Brierre Pierre

References aa, Matrix4Float::Inverse(), Matrix4Float::LookAt(), Matrix4Float::Orthographic(), Matrix4Float::Perspective(), and Math::RadianToDegree().

Referenced by paintGL().

setAA()

void SphereTracingWidget::setAA

(

int

a

)

Set the anti-aliasing level.

Parameters

a

Level.

Author

Hubert-Brierre Pierre

References aa.

setAutoScaleCost()

void SphereTracingWidget::setAutoScaleCost

(

bool

autoScaleCost

)

Set the autoScaleCost variable.

Author

Hubert-Brierre Pierre

setEvaluationPoints()

void SphereTracingWidget::setEvaluationPoints	(	std::vector< Vector >	points,
		std::vector< float >	nbRecCalls )

Set all the evaluations points.

Author

Hubert-Brierre Pierre

References evaluationsPoints.

setKG()

void SphereTracingWidget::setKG

(

float

kg

)

Set the geometric interpolation coeficient.

Author

Hubert-Brierre Pierre

setKN()

void SphereTracingWidget::setKN

(

float

kn

)

Set the normal interpolation coeficient.

Author

Hubert-Brierre Pierre

setMaxCost()

void SphereTracingWidget::setMaxCost

(

int

maxCost

)

Set the maximum cost to show on the cost shader.

Author

Hubert-Brierre Pierre

setNbSteps()

void SphereTracingWidget::setNbSteps

(

int

newNbSteps

)

Set the number of step of the sphere tracing.

Author

Hubert-Brierre Pierre

setSampleFieldNormal()

void SphereTracingWidget::setSampleFieldNormal

(

const Vector &

sampleFieldNormal

)

Set the normal of the plane showing the sdf field.

Author

Hubert-Brierre Pierre

setSampleFieldParam()

void SphereTracingWidget::setSampleFieldParam	(	float	freq,
		float	size,
		bool	disk,
		bool	cost,
		bool	showInPhotobox )

Set the frequence of the sdf field.

Author

Hubert-Brierre Pierre

setSampleFieldPoint()

void SphereTracingWidget::setSampleFieldPoint

(

const Vector &

sampleFieldPoint

)

Set the offset of the plane showing the sdf field.

Author

Hubert-Brierre Pierre

setShading()

void SphereTracingWidget::setShading

(

int

newShading

)

Set the shading to use.

Author

Hubert-Brierre Pierre

setUseBEIS()

void SphereTracingWidget::setUseBEIS

(

float

useBEIS

)

Set the useBEIS variable.

Author

Hubert-Brierre Pierre

setUseLoD()

void SphereTracingWidget::setUseLoD

(

float

useLoD

)

Set the useBEIS variable.

Author

Hubert-Brierre Pierre

setVerticalLoD()

void SphereTracingWidget::setVerticalLoD

(

bool

verticalLoD

)

Set the verticalLoD variable.

Author

Hubert-Brierre Pierre

UpdateSDF()

void SphereTracingWidget::UpdateSDF	(	const QString &	name,
		const FrameScaled &	frame )

Updates the transform of a sdf given its name.

Parameters

name	sdf name
frame	new frame