DrawQuad Class Reference

A smooth coloured quad. More...

#include <drawables.h>

Inheritance diagram for DrawQuad:

Collaboration diagram for DrawQuad:

Public Member Functions
	DrawQuad ()
	Constructor. More...
virtual	~DrawQuad ()
	Destructor. More...
virtual DrawableObj *	clone () const
virtual unsigned int	getType () const
virtual void	getBoundingBox (BoundCube &b) const
	Get bounding cube. More...
void	colourVerticies ()
	sets the vertices to defautl colours (r g b and white ) for each vertex respectively More...
void	setVertex (unsigned int, const Point3D &)
	Set vertex's location. More...
void	setVertices (const Point3D *)
void	setColour (unsigned int, float r, float g, float b, float a)
	Set the colour of a vertex. More...
void	setColour (float r, float g, float b, float a)
	Set the colour of all vertices. More...
void	calcNormal ()
	Update the normal to the surface from vertices. More...
void	draw () const
	Draw the triangle. More...
Point3D	getOrigin () const
	Gets the arrow axis direction. More...
void	recomputeParams (const std::vector< Point3D > &vecs, const std::vector< float > &scalars, unsigned int mode)
	Recompute the internal parameters using the input vector information. More...
Public Member Functions inherited from DrawableObj
virtual bool	isOverlay () const
	Is this an overlay? By default, no. More...
	DrawableObj ()
	Constructor. More...
virtual bool	needsDepthSorting () const
	Do we need to do element based depth sorting? More...
virtual bool	isExplodable () const
	Can we break this object down into constituent elements? More...
virtual void	explode (std::vector< DrawableObj *> &simpleObjects)
	Break object down into simple elements. More...
virtual bool	hasChanged () const
void	setActive (bool active)
	Set the active state of the object. More...
void	setInteract (bool canAct)
	Set if user can interact with object, needed for opengl hit testing. More...
virtual	~DrawableObj ()
	Drawable destructor. More...
virtual Point3D	getCentroid () const
	Get the centre of the object. Only valid if object is simple. More...

Protected Attributes
Point3D	vertices [4]
	Vertices of the quad. More...
Point3D	normal
float	r [4]
	Colours of the vertices (rgba colour model) More...
float	g [4]
float	b [4]
float	a [4]
Protected Attributes inherited from DrawableObj
bool	active
	Is the drawable active? More...
bool	haveChanged
	Is the object changed since last set? More...

Additional Inherited Members
Static Public Member Functions inherited from DrawableObj
static void	setUseAlphaBlending (bool willBlend)
static void	setCurCamera (const Camera *c)
	Set the current camera. More...
static void	setTexPool (TexturePool *t)
	Set the current camera. More...
static void	clearTexPool ()
static void	setWindowSize (unsigned int x, unsigned int y)
static void	setBackgroundColour (float r, float g, float b)
Public Attributes inherited from DrawableObj
bool	canSelect
	Can be selected from openGL viewport interactively? More...
bool	wantsLight
	Wants lighting calculations active during render? More...
Static Protected Member Functions inherited from DrawableObj
static float	getHighContrastValue ()
Static Protected Attributes inherited from DrawableObj
static const Camera *	curCamera = 0
	Pointer to current scene camera. More...
static float	backgroundR
static float	backgroundG
static float	backgroundB
static TexturePool *	texPool =0
static bool	useAlphaBlend
static unsigned int	winX
static unsigned int	winY

Detailed Description

A smooth coloured quad.

Constructor & Destructor Documentation

DrawQuad()

DrawQuad::DrawQuad ( )

inline

Constructor.

~DrawQuad()

virtual DrawQuad::~DrawQuad ( )

inlinevirtual

Destructor.

Member Function Documentation

calcNormal()

void DrawQuad::calcNormal

(

)

Update the normal to the surface from vertices.

Uses the first 3 vertices to calculate the normal.

clone()

DrawableObj * DrawQuad::clone ( ) const

virtual

Reimplemented from DrawableObj.

colourVerticies()

void DrawQuad::colourVerticies

(

)

sets the vertices to defautl colours (r g b and white ) for each vertex respectively

draw()

void DrawQuad::draw ( ) const

virtual

Draw the triangle.

Implements DrawableObj.

Reimplemented in DrawTexturedQuad.

References ASSERT.

getBoundingBox()

void DrawQuad::getBoundingBox ( BoundCube &  b ) const

virtual

Get bounding cube.

Implements DrawableObj.

References BoundCube::setBounds(), and DrawTriangle::vertices.

Referenced by DrawTriangleMesh::setData().

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getOrigin()

Point3D DrawQuad::getOrigin

(

)

const

Gets the arrow axis direction.

References Point3D::centroid(), and DrawTriangle::vertices.

Referenced by VoxeliseFilter::refresh().

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getType()

virtual unsigned int DrawQuad::getType ( ) const

inlinevirtual

Implements DrawableObj.

References DRAW_TYPE_QUAD.

recomputeParams()

void DrawQuad::recomputeParams ( const std::vector< Point3D > &  vecs, const std::vector< float > &  scalars, unsigned int  mode  )

virtual

Recompute the internal parameters using the input vector information.

Reimplemented from DrawableObj.

References ASSERT, DRAW_QUAD_BIND_ORIGIN, and DrawTriangle::vertices.

setColour() [1/2]

void DrawQuad::setColour	(	unsigned	int,
		float	r,
		float	g,
		float	b,
		float	a
	)

Set the colour of a vertex.

Referenced by VoxeliseFilter::refresh().

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setColour() [2/2]

void DrawQuad::setColour	(	float	r,
		float	g,
		float	b,
		float	a
	)

Set the colour of all vertices.

References DrawTriangle::a, ASSERT, DrawTriangle::b, DrawTriangle::g, and DrawTriangle::r.

setVertex()

void DrawQuad::setVertex	(	unsigned int	v,
		const Point3D &	p
	)

Set vertex's location.

References ASSERT, and DrawTriangle::vertices.

setVertices()

void DrawQuad::setVertices

(

const Point3D *

v

)

References DrawTriangle::vertices.

Referenced by VoxeliseFilter::getRefreshUseMask().

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Member Data Documentation

a

float DrawQuad::a[4]

protected

Referenced by DrawPolygon::clone(), DrawTexturedQuad::draw(), DrawPolygon::draw(), and DrawPolygon::setColour().

b

float DrawQuad::b[4]

protected

Referenced by DrawPolygon::clone(), DrawTexturedQuad::draw(), DrawPolygon::draw(), and DrawPolygon::setColour().

g

float DrawQuad::g[4]

protected

Referenced by DrawPolygon::clone(), DrawTexturedQuad::draw(), DrawPolygon::draw(), and DrawPolygon::setColour().

normal

Point3D DrawQuad::normal

protected

Colour data for the quad The lighting normal of the triangle

Lighting for this class is per triangle only no per vertex lighting

Referenced by DrawPolygon::clone().

r

float DrawQuad::r[4]

protected

Colours of the vertices (rgba colour model)

Referenced by DrawPolygon::clone(), DrawTexturedQuad::draw(), DrawPolygon::draw(), and DrawPolygon::setColour().

vertices

Point3D DrawQuad::vertices[4]

protected

Vertices of the quad.

Referenced by DrawPolygon::clone(), DrawTexturedQuad::draw(), DrawPolygon::draw(), DrawPolygon::getBoundingBox(), and DrawPolygon::setVertices().

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

• drawables.h
• drawables.cpp