Demonstrates volume rendering with an offscreen pass and a fullscreen quad.

#include <volumegeometry.h>

Inheritance diagram for VolumeGeometry:

Public Member Functions
	VolumeGeometry (const VolumeGeometry &other)
VolumeGeometry &	operator= (VolumeGeometry)
void	accept (Visitor &) override
void	render (const Camera &camera) override
void	end ()
void	clear () override
void	initialize ()
void	resizeFBO (int width, int height)
void	setPositiveColor (const Vector3ub &c)
Vector3ub	positiveColor () const
void	setNegativeColor (const Vector3ub &c)
Vector3ub	negativeColor () const
void	setCube (const Core::Cube &cube)
const Core::Cube *	cube () const
Public Member Functions inherited from Drawable
	Drawable (const Drawable &other)
Drawable &	operator= (Drawable)
const GeometryNode *	parent () const
	Get a pointer to the drawable object's parent.
GeometryNode *	parent ()
void	setVisible (bool visibility)
	Set the visibility of the drawable object.
bool	isVisible () const
	Get the current visibility of the drawable.
Identifier &	identifier ()
const Identifier &	identifier () const
virtual std::multimap< float, Identifier >	hits (const Vector3f &rayOrigin, const Vector3f &rayEnd, const Vector3f &rayDirection) const
virtual Core::Array< Identifier >	areaHits (const Frustrum &f) const
void	setRenderPass (RenderPass pass)
RenderPass	renderPass () const

Protected Attributes
float	m_boundingVertices [24]
Vector3ub	m_positiveColor
Vector3ub	m_negativeColor
const Core::Cube *	m_cube = nullptr
bool	m_dirty = false
Private *	d
int	m_width
int	m_height
Protected Attributes inherited from Drawable
GeometryNode *	m_parent
bool	m_visible
RenderPass	m_renderPass
Identifier	m_identifier

Additional Inherited Members
Protected Member Functions inherited from Drawable
void	setParent (GeometryNode *parent)
	Set the parent node for the node.

Member Function Documentation

◆ accept()

void accept ( Visitor & )

overridevirtual

Accept a visit from our friendly visitor.

Reimplemented from Drawable.

void render ( const Camera & camera )

overridevirtual

Render the volume.

Reimplemented from Drawable.

void end ( )

Destroy all GL resources (FBO, textures, etc.).

void clear ( )

overridevirtual

Clear the contents of the node.

Reimplemented from Drawable.

void initialize ( )

Call once to initialize all GL objects/shaders.

void setPositiveColor ( const Vector3ub & c )

Colors for positive/negative isovalues (for real volume rendering).

void setCube ( const Core::Cube & cube )

Assign which Cube to render.

The documentation for this class was generated from the following file: