#include <gls_ellipse.h>

Inheritance diagram for GlsEllipse:

Public Member Functions
	GlsEllipse (bool generateInstance=false)

virtual	~GlsEllipse ()

virtual void	SetAvailableAttributes (unsigned int value) DISTI_METHOD_OVERRIDE

virtual DisplayObject *	CloneObject (bool generateNames=false) DISTI_METHOD_OVERRIDE

virtual void	CopyProperties (DisplayObject *src) DISTI_METHOD_OVERRIDE

virtual void	CopyGeometry (DisplayObject *srcArg) DISTI_METHOD_OVERRIDE

virtual InterfaceListType *	GetCppInterfaceDescription (InterfaceListType *addToThisList=NULL) DISTI_METHOD_OVERRIDE

virtual void	GetCppInterfaceDescriptionFree (InterfaceListType *array) DISTI_METHOD_OVERRIDE

virtual void	PreDraw (const OpenGLMatrices &parentMatrices, Culler &culler) DISTI_METHOD_OVERRIDE

virtual void	Draw (void) DISTI_METHOD_OVERRIDE

virtual void	Scale (float px, float py, float pz, Vertex *anchor, int handleBar) DISTI_METHOD_OVERRIDE

virtual void	Rotate (const Vector &orig, float angle, const Vector &axis) DISTI_METHOD_OVERRIDE

virtual bool	Hit (float x, float y, float z, float scale, const Vector &directionVector, Vector *collisionPoint) DISTI_METHOD_OVERRIDE

virtual void	CalculateTextureCoordinates () DISTI_METHOD_OVERRIDE

virtual Vertex *	Vertices () DISTI_METHOD_OVERRIDE

virtual void	GetExtents (float &minx, float &miny, float &minz, float &maxx, float &maxy, float &maxz) DISTI_METHOD_OVERRIDE

virtual void	GetTransformedExtents (Vector &min, Vector &max, const GlsMatrixType &matrix, bool resetMinMax) DISTI_METHOD_OVERRIDE

virtual void	UpdateBoundingVolume (void) DISTI_METHOD_OVERRIDE

virtual void	SetFillColor (const GlsColor &color) DISTI_METHOD_OVERRIDE

virtual GlsColor	GetFillColor (void) DISTI_METHOD_OVERRIDE

DisplayObject *	handle (DisplayEvent *ev) DISTI_METHOD_OVERRIDE

virtual void	SetValue (int spec, va_list &args) DISTI_METHOD_OVERRIDE

virtual void	RadiusVectors (const Vector &r1, const Vector &r2)

virtual Vector	RadiusVector (unsigned int index)

virtual Vector	UnitVector (unsigned int index)

virtual void	Interval (const unsigned int &value)

virtual unsigned int	Interval ()

virtual void	Thickness (const float &value)

virtual float	Thickness ()

virtual void	StartAngle (const float &value)

virtual float	StartAngle ()

virtual void	EndAngle (const float &value)

virtual float	EndAngle ()

virtual void	Magnitude (const float &value, unsigned int index)

virtual float	Magnitude (unsigned int index)

virtual void	Solid (const bool &value)

virtual bool	Solid ()

void	InvalidateGeometry (void)

GlsDisplayList &	DisplayList (void)

Public Member Functions inherited from GLPolygon
	GLPolygon (unsigned int nPoints, const Vertex *vertices)

	GLPolygon (unsigned int nPoints, const Vertex *vertices, const Vertex &location)

	GLPolygon (void)

	GLPolygon (const GLPolygon &polygon, const bool generateNames)

virtual	~GLPolygon (void)

void	ConfigureMetaData (void)

virtual void	CalcNormals (int windingOrder=1)

virtual void	DeleteVertexAt (unsigned int index)

virtual DisplayObject *	Pick3D (const Vector &winLoc, const Vector &logicalCoords, float scale, const Vector &directionVector, Vector &collisionWinLoc, const OpenGLMatrices &parentDrawn)

Public Member Functions inherited from DisplayObject
	DisplayObject (float x, float y, float z)

	DisplayObject (const DisplayObject &object, const bool generateNames)

virtual	~DisplayObject (void)

void	Destroy ()

virtual void	AlphaMode (int mode)

virtual int	AlphaMode (void)

virtual bool	AntiAlias (void)

virtual void	AntiAlias (bool alias)

void	ApplyTextureSettings (int textureIndex=-1)

DistiAttribDict &	Attributes ()

virtual void	SetBlendColor (const GlsColor &color)

void	GetBlendColor (unsigned char color[])

void	GetBlendColor (unsigned char &r, unsigned char &g, unsigned char &b, unsigned char &a)

virtual GlsColor	GetBlendColor ()

void	SetBlendColor (unsigned char color[])

void	SetBlendColor (unsigned char r, unsigned char g, unsigned char b, unsigned char a)

bool	BlinkedOff (void)

virtual bool	Blinking (void)

virtual void	Blinking (const bool blink)

virtual float	BlinkRate (void)

virtual void	BlinkRate (const float rate)

const Vector &	BoundingVolumeCenter () const

void	BoundingVolumeCenter (const Vector &center)

bool	BoundingVolumeHit (const Vector &start, const Vector &direction)

float	BoundingVolumeRadius () const

void	BoundingVolumeRadius (float radius)

virtual void	Calculate (double time)

void	CalculateCollisionPoint (const Vector &pickLoc, const Vector &directionVector, Vector *collisionPoint)

virtual void	CalculateParentBoundingBox (void)

bool	GetTexturePointTransformationMatrix (GlsMatrixType &world2tex)

CallbackMethodCallerBase *	CallbackCaller () const

void	CallbackCaller (CallbackMethodCallerBase *cb)

virtual void	GetCenter (Vector &center)

virtual GlsColor	GetColor ()

void	GetColor (unsigned char c4[])

void	GetColor (unsigned char &r, unsigned char &g, unsigned char &b, unsigned char &a)

virtual void	SetColor (const GlsColor &color)

void	SetColor (unsigned char c4[])

void	SetColor (unsigned char r, unsigned char g, unsigned char b, unsigned char a)

virtual void	CopyHierarchyProperties (DisplayObject *src, bool copyName)

virtual void	CullBackFace (const bool val)

virtual bool	CullBackFace (void)

bool	Culled () const

bool	CullTest (const GlsMatrixType *matrix, const Culler &culler)

GlsMatrixType &	DcsMatrix ()

void	DcsMatrix (const GlsMatrixType &matrix)

virtual void	DeleteVertex (unsigned int indexAfter) final

virtual int	DepthTest (void)

virtual void	DepthTest (unsigned char zbuf)

const GlsMatrixType *	DrawMatrix ()

bool	NeedCalcDrawMatrix ()

void	DynamicRotate (float angle, int axis)

void	DynamicRotate (const Vector &v)

void	DynamicRotate (float angle[])

virtual void	DynamicRotate (float x, float y, float z)

virtual void	DynamicRotateRelative (float angle, int axis)

virtual float	DynamicRotation (int axis)

virtual Vector	DynamicScale ()

virtual void	DynamicScale (float x, float y, float z)

void	DynamicScale (const Vector &scale)

virtual void	DynamicTranslate (float x, float y, float z, bool relative=false)

void	DynamicTranslate (const Vertex &amount, bool relative)

void	DynamicTranslate (const Vector &amount)

virtual void	DynamicTranslate (float amount, int axis, bool relative=false)

virtual float	DynamicTranslation (int axis)

virtual Vector	DynamicTranslation ()

DisplayObjectEditor *	Editor ()

const DisplayObjectEditor *	Editor () const

void	Editor (DisplayObjectEditor *editor)

void	GetExtentsDCS (Vector &min, Vector &max)

void	GetFillColor (unsigned char &r, unsigned char &g, unsigned char &b, unsigned char &a)

void	GetFillColor (unsigned char c4[])

void	SetFillColor (unsigned char r, unsigned char g, unsigned char b, unsigned char a)

void	SetFillColor (unsigned char c4[])

virtual void	FinishObject ()

virtual void	GenerateInstanceName (void)

virtual bool	HitUtil (float x, float y, float z, float scale, Vertex vertices, unsigned int vertex_cnt, const Vector &directionVector, Vector collisionPoint)

virtual void	InsertVertexAt (unsigned int index)

virtual void	InsertVertex (unsigned int indexAfter) final

char *	InstanceName (void)

void	InstanceName (const char *name)

virtual bool	LightingEnabled ()

virtual void	LightingEnabled (bool lighting)

virtual int	LineStippleMultiplier (void)

virtual void	LineStippleMultiplier (int mult)

virtual int	LineStipplePattern (void)

virtual void	LineStipplePattern (int pattern)

virtual float	LineWidth (void)

virtual void	LineWidth (float width)

virtual const Vertex &	Location (void) const

virtual void	Location (const Vertex &v)

virtual void	Location (float x, float y, float z)

virtual void	GetLocation (Vertex &v)

virtual void	GetLocation (float &x, float &y, float &z)

float	X (void) const

float	Y (void) const

float	Z (void) const

void	X (const float x)

void	Y (const float y)

void	Z (const float z)

virtual int	MaterialIndex ()

virtual void	MaterialIndex (int index)

virtual DynamicArray< int > &	MaterialIndices ()

virtual void	MaterialIndices (DynamicArray< int > indices)

GlsMatrixType *	ModelMatrix ()

bool	NeedCalculate ()

Vector *	Normals ()

virtual void	SetNormals (unsigned int nPoints, Vector *vertices)

void	VaSetNormals (unsigned int nPoints,...)

unsigned int	NumberOfVertices () const

virtual float	ObjectDepth (void)

virtual float	ObjectHeight (void)

virtual float	ObjectWidth (void)

virtual void	SetOrigin (const Vertex &vert)

virtual void	Parent (DisplayFrame *par)

DisplayFrame *	Parent (void) const

virtual void	ParentGroup (Group *group)

Group *	ParentGroup (void) const

unsigned char	Pickable ()

virtual void	Pickable (unsigned char pick)

virtual int	PolygonEnd (void)

virtual void	PolygonEnd (const int end)

virtual int	PolygonMode (void)

virtual void	PolygonMode (int mode)

GlsMatrixType *	ProjMatrix ()

virtual void	ReallocateVertices (unsigned int numVertices, bool initializeNew, bool copyOld)

virtual float	RelativeAngle (const float x, const float y)

virtual DistiAttributeBase &	Resource (const char *name)

virtual void	GetResources (std::ostream &outstr, GlsResourceFilter *filter=NULL)

void	RestoreAlpha (void)

void	RestoreAntiAlias (void)

void	RestoreLighting (void)

void	RestoreLineStyle (void)

const Vertex &	RotationPoint () const

virtual void	RotationPoint (const Vertex &v)

virtual void	RotationPoint (float x, float y, float z)

virtual void	GetRotationPoint (Vertex &v)

virtual void	Rotate (float angle, int axis=Z_AXIS)

virtual void	Rotate (const Vector &origin, float angle, int axis=Z_AXIS)

void	SaveMatrices ()

void	Set (int spec,...)

bool	SetupAlpha (void)

bool	SetupAntiAlias (void)

void	SetupDepthTest (void)

void	SetupLighting (void)

bool	SetupLineStyle (void)

void	SetupPolyDrawStyle (void)

void	SetupShading (void)

bool	SetupTexture (void)

virtual int	Shading (void)

virtual void	Shading (const int shading)

virtual void	SetTexCoords (unsigned int nPoints, Vector *new_tex_coord, bool isVectorArray=true)

void	SetTexCoords (unsigned int nPoints, Vertex *new_tex_coord)

void	VaSetTexCoords (unsigned int nPoints,...)

Vector *	TextureCoordinates (void)

Vector *	GetTextureCoordinates (void)

virtual int	TextureIndex (void)

virtual void	TextureIndex (int textureIndex)

virtual Vector *	GetTexturePoints (void)

virtual bool	TextureRepeat (void)

virtual void	TextureRepeat (const int rep)

virtual int	TextureMappingTechnique (void)

virtual void	TextureMappingTechnique (const int map)

virtual int	TextureMagnificationFilter (void)

virtual void	TextureMagnificationFilter (const int filter)

virtual int	TextureMinificationFilter (void)

virtual void	TextureMinificationFilter (const int filter)

virtual void	Translate (float tr[])

virtual void	Translate (float x, float y, float z)

virtual void	TranslateVertices (float x, float y, float z)

void *	UserData (void) const

void	UserData (void *data)

virtual void	SetVertexColor (unsigned int vertex, unsigned char CurrentFillColor[])

virtual void	SetVertices (unsigned int nPoints, Vertex *vertices)

void	VaSetVertices (unsigned int nPoints,...)

int *	ViewMatrix ()

bool	Visible (void) const

bool	Visibility (void) const

virtual void	Visibility (const bool vis)

virtual Vector	WorldRotationPoint (void)

virtual void	WorldRotationPoint (const Vector &vert)

virtual Vertex	WorldVertex (unsigned int i)

virtual void	WorldVertex (unsigned int i, const Vertex &vert)

bool	LogicalToWindow (const Vector &logical, Vector &winLoc, const OpenGLMatrices &alternateMatrices=OpenGLMatrices())

bool	WindowToLogical (const Vector &winLoc, Vector &logical, Vector *directionVector=NULL, const OpenGLMatrices &alternateMatrices=OpenGLMatrices())

void	LogicalToDCS (Vector logicalPoint, Vector &objectLocal, const Vector directionVector, const Vector &planeNormal=Vector(0, 0, 1), const Vector &planePoint=Vector(), const GlsMatrixType dcsMatrix=NULL)

void	DCSToLogical (Vector dcsPoint, Vector &logicalPoint, const GlsMatrixType *dcsMatrix=NULL)

virtual bool	GetPlaneVectorPoints (Vertex &p1, Vertex &p2, Vertex &p3, Vertex &planeVector)

void	NotifyAttributeChanged (const AttributeName &name) override

virtual void	SetPainter (GlsPainter *painter)

virtual GlsPainter *	GetPainter ()

void	InvalidatePainter ()

virtual bool	IsVisibleInScene (const DisplayObject *obj=NULL) const

Public Member Functions inherited from AttributeChangedNotifier
virtual	~AttributeChangedNotifier ()

Public Member Functions inherited from WeakReferenceableMixin
void	AddWeakReference (WeakReference *weakRef) override

void	NotifyWeakReferenceDestroyed (WeakReference *ref) override

Protected Member Functions
void	CalculateRadiiUnit (void)

void	SetNeedsRecalculate (void)

void	DrawArcSegment (bool textureObject)

void	DrawSolidCircle (bool textureObject)

void	DrawGeometry (void)

void	RecomputeVertices (void)

void	CalculateStartVertices (void)

void	CalculateEndVertices (void)

void	GetSegmentIndices (const float startAngle, unsigned int &startIndex, const float endAngle, unsigned int &endIndex)

Protected Member Functions inherited from DisplayObject
virtual void	VaListSetVertices (unsigned int nPoints, va_list args)

virtual void	VaListSetNormals (unsigned int nPoints, va_list args)

virtual void	VaListSetTexCoords (unsigned int nPoints, va_list args)

void	AllocateModelMatrix ()

bool	ApplyDynamicRotation (void)

virtual void	CalcDrawMatrix ()

void	CalcDrawMatrixIfExists ()

virtual void	CalculateMatrices (const OpenGLMatrices &newMatrices)

bool	InsideVertexExtents (float x, float y, unsigned int nVerts, Vertex *verts, float tolerance)

void	NeedCalculate (bool val)

void	PickSetup (float x, float y, float z, Vertex *vertices, unsigned int vertex_cnt, const Vector &directionVector)

void	PickCleanup (Vertex *vertices, unsigned int vertex_cnt)

int	GetApplicableTextureIndex ()

int	GetApplicableTextureRepeat ()

Protected Member Functions inherited from WeakReferenceableMixin
	WeakReferenceableMixin (void)

virtual	~WeakReferenceableMixin ()

Protected Attributes
GlsDisplayList	_displayList

Vector	_radii [2]

Vector	_normal

Vector	_radiiUnit [2]

Vector	_start [2]

Vector	_startTex [2]

Vector	_end [2]

Vector	_endTex [2]

Vector	_centerTex

GlsColor	_objectColor

float	_thickness

float	_startAngle

float	_endAngle

float	_magnitude [2]

unsigned int	_interval

bool	_solid

GlsMatrixType	_world2tex

Protected Attributes inherited from DisplayObject
int	_alphaMode

bool	_antiAlias

bool	_attributesAdded

bool	_blinking

float	_blinkRate

GlsColor	_color

bool	_cullBackFace

GlsMatrixType	_dcsMatrix

unsigned char	_depthTest

GlsMatrixType *	_drawMatrix

unsigned char	_lineStippleMultiplier

unsigned short	_lineStipplePattern

float	_lineWidth

Vertex	_location

GlsMatrixType *	_modelMatrix

Vector *	_normals

unsigned int	_nTex_vertices

unsigned int	_nVertices

unsigned char	_polygonEnd

unsigned char	_polygonMode

int	_polygonOffset

GlsMatrixType *	_projMatrix

unsigned char	_shading

Vector *	_texCoord

GlsColor	_textureBlendColor

int	_textureIndex

unsigned char	_textureMagFilter

unsigned char	_textureMinFilter

unsigned char	_textureMap

Vector	_texturePoints [4]

unsigned char	_textureRepeat

void *	_userData

Vertex *	_vertices

int *	_viewMatrix

bool	_visible

Protected Attributes inherited from WeakReferenceableMixin
DynamicArray< WeakReference * > *	_weakRefs

Additional Inherited Members
Public Types inherited from DisplayObject
enum	AvailableAttributesEnum

Static Public Member Functions inherited from DisplayObject
static void	UseManualBlinkElapsedTime (bool useManualTime)

static void	SetManualBlinkElapsedTime (double elapsedTime)

Detailed Description

Runtime implementation of a GlsEllipse

Constructor & Destructor Documentation

GlsEllipse ( bool generateInstance = false )

Create a new GlsEllipse.

Parameters

generateInstance Whether or not to generate an instance name for this inputdevice

virtual ~GlsEllipse ( )

virtual

Destructs a GlsEllipse object

Member Function Documentation

void CalculateEndVertices ( void )

protected

Calculates the end vertices

void CalculateRadiiUnit ( void )

protected

Calculates _radiiUnit and _magnitude based on _radii

void CalculateStartVertices ( void )

protected

Calculates the start vertices

virtual void CalculateTextureCoordinates ( )

virtual

Recalculates the texture coordinates for the object based on the TexturePoints.

Reimplemented from GLPolygon.

virtual DisplayObject* CloneObject ( bool generateNames = false )

virtual

Copy+Create operation in one method. In derived classes, this method will create a new instance of the derived class and then copy the object into the new instance. The cut,copy,paste and undo operations use this method.

Parameters

generateNames Whether or not to generate new names for cloned objects

Returns: A new object, identical to the original, except for the instance name

Reimplemented from GLPolygon.

virtual void CopyGeometry ( DisplayObject * src )

virtual

Copies the geometry information from one object to another. Used by the undo mechanism to allow user to undo a geometry change.

Parameters

src	The object to copy geometry from

Reimplemented from DisplayObject.

virtual void CopyProperties ( DisplayObject * src )

virtual

Copies the attributes except for geometry attributes from one object to another. Used by the undo mechanism to undo most attribute change operations.

Parameters

src	The object to copy properties from

Reimplemented from DisplayObject.

GlsDisplayList& DisplayList ( void )

inline

Returns a reference to this object's display list

virtual void Draw ( void )

virtual

Draws this object on the current display frame (_parent member).

Reimplemented from GLPolygon.

void DrawArcSegment ( bool textureObject )

protected

Draws the arc segment mode

Parameters

textureObject TRUE if object should be drawn textured

void DrawGeometry ( void )

protected

Performs OpenGL drawing commands

void DrawSolidCircle ( bool textureObject )

protected

Draws the solid circle mode

Parameters

textureObject TRUE if object should be drawn textured

virtual void EndAngle ( const float & value )

virtual

Sets the end angle in degrees

Parameters

value The end angle in degrees

virtual float EndAngle ( )

virtual

Gets the end angle in degrees

Returns: The end angle in degrees

virtual InterfaceListType* GetCppInterfaceDescription ( InterfaceListType * addToThisList = NULL )

virtual

Get the details of the Cpp Interface The actual interface is exposed in compiled code.

Parameters

addToThisList If not NULL this list will be added to then returned. If NULL a new list will be created.

Returns: A templated list. The caller must call the corresponding free method to safely free the memory.

Reimplemented from DisplayObject.

virtual void GetCppInterfaceDescriptionFree ( InterfaceListType * array )

virtual

Frees the memory allocated by a previous call to GetCppInterfaceDescription

Parameters

array Memory allocated by a previous call to GetCppInterfaceDescription

Reimplemented from DisplayObject.

virtual void GetExtents	(	float &	x,
		float &	y,
		float &	z,
		float &	x1,
		float &	y1,
		float &	z1
	)

virtual

Figure out the static extents for the object. Used by the editor as part of the pick operation and for figuring out the size of groups.

Parameters

x	Gets the minimum x extent
y	Gets the minimum y extent
z	Gets the minimum z extent
x1	Gets the maximum x extent
y1	Gets the maximum y extent
z1	Gets the maximum z extent

Reimplemented from DisplayObject.

virtual GlsColor GetFillColor ( void )

virtual

Gets the color for filling the object

Returns: The fill color for the object

Reimplemented from DisplayObject.

void GetSegmentIndices	(	const float	startAngle,
		unsigned int &	startIndex,
		const float	endAngle,
		unsigned int &	endIndex
	)

protected

Gets starting and ending indices for vertices

virtual void GetTransformedExtents	(	Vector &	min,
		Vector &	max,
		const GlsMatrixType &	matrix,
		bool	resetMinMax
	)

virtual

Determines the static extents of the geometry projected to the XY plane of an arbirary coordinate system.

Parameters

min	Returns the minimum values found in the traversal
max	Returns the maximum values found in the traversal
matrix	Transformation matrix from logical coordinates to the coordinate system to determine the extents in.
resetMinMax	Normally not specified by user. Should be true for the initial call.

Reimplemented from DisplayObject.

DisplayObject* handle ( DisplayEvent * ev )

virtual

Handles an event that is sent to the object.

Parameters

ev	The event to send to the object

Returns: Which object handled the event

Reimplemented from DisplayObject.

virtual bool Hit	(	float	x,
		float	y,
		float	z,
		float	scale,
		const Vector &	directionVector,
		Vector *	collisionPoint
	)

virtual

Determines if the object is hit by a pick ray starting at (x,y,z) and pointing towards directionVector in object logical coordinate system. If Pickable() == PICK_BEST it will return the closest point that was hit, otherwise it returns the first point that was hit. This method should not pick points behind the viewer.

Parameters

x	X coordinate of pick ray start in logical coordinates.
y	Y coordinate of pick ray start in logical coordinates.
y	Y coordinate of pick ray start in logical coordinates.
z	Z coordinate of pick ray start in logical coordinates.
scale	The scale factor of the window. Affects picking of outlines. Standard value is 1.0.
directionVector	The direction of the pick ray.
collisionPoint	If this method returns true, this Vector will contain the location that was hit in logical coordinates.

Returns: boolean indicating if the object was hit by the pick ray.

Reimplemented from DisplayObject.

virtual void Interval ( const unsigned int & value )

virtual

Sets the angular interval between vertices

Parameters

value the interval in degrees.

virtual unsigned int Interval ( )

virtual

Gets the angular interval between vertices.

Returns: the interval.

void InvalidateGeometry ( void )

inline

Causes the display list for this object to be recomputed

virtual void Magnitude	(	const float &	value,
		unsigned int	index
	)

virtual

Sets the magnitude

virtual float Magnitude ( unsigned int index )

virtual

Gets the magnitude

virtual void PreDraw	(	const OpenGLMatrices &	current,
		Culler &	culler
	)

virtual

Traverses the hierarchy calculating the _modelMatrix, _projMatrix, _viewMatrix as needed.

Parameters

current	Current matrices inherited from parent
culler	Object that possibly marks this object for culling

Reimplemented from DisplayObject.

virtual Vector RadiusVector ( unsigned int index )

virtual

Gets the radius vector

Parameters

index

virtual void RadiusVectors	(	const Vector &	r1,
		const Vector &	r2
	)

virtual

Sets the radius vectors

Parameters

r1
r2

void RecomputeVertices ( void )

protected

Recomputes the object's vertices from its radii

virtual void Rotate	(	const Vector &	orig,
		float	angle,
		const Vector &	axis
	)

virtual

Rotates the object (around the specified axis) by the angle indicated, at the point specified. Recalculates the vertex data.

Parameters

orig	The point to rotate around
angle	The angle to rotate by, in degrees
axis	The arbitrary axis to rotate the object around

Reimplemented from DisplayObject.

virtual void Scale	(	float	px,
		float	py,
		float	pz,
		Vertex *	anchor,
		int	handleBar
	)

virtual

Scales the object, either the handleBar, or the Anchor is used to translate the object, not both. Anchor takes presidence, if it is set HandleBar is ignored. The footprint is different from the 2D scale so the compiler can destinguish the two.

Parameters

px	Value of the percentage of scale in x-axis
py	Value of the percentage of scale in y-axis
pz	Value of the percentage of scale in z-axis
anchor	Anchor from which to scale object relative to
handleBar	Vertex that is being dragged

Reimplemented from DisplayObject.

virtual void SetAvailableAttributes ( unsigned int value )

virtual

Specifies which attributes are available for the object. Currently the available attributes cannot be changed after they have been set. (Only the first call has an effect.)

Parameters

value A bitfield specifying which types of attributes to make available.

See also: AvailableAttributesEnum

Reimplemented from DisplayObject.

virtual void SetFillColor ( const GlsColor & color )

virtual

Sets the color for filling the object

Parameters

color The new color for the object

Reimplemented from DisplayObject.

void SetNeedsRecalculate ( void )

protected

callback called when the ellipse needs to be recalculated because an attribute has changed

virtual void SetValue	(	int	spec,
		va_list &	args
	)

virtual

Sets an attribute of this object using variable arguments

Parameters

spec	A GLS_Initializer tag
args	A variable argument list

Reimplemented from DisplayObject.

virtual void Solid ( const bool & value )

virtual

Sets the solid flag

Parameters

value When true the elipse is drawn solid

virtual bool Solid ( )

virtual

Gets the solid flag

Returns: The current solid flag value

virtual void StartAngle ( const float & value )

virtual

Sets the Start Angle in degrees

Parameters

value The start angle

virtual float StartAngle ( )

virtual

Gets the Start Angle in degrees

Returns: The start angle in degrees

virtual void Thickness ( const float & value )

virtual

Sets the thickness of the ellipse in logical units.

Parameters

value The thickness in logical units.

virtual float Thickness ( )

virtual

Gets the thickness of the ellipse.

Returns: The current thickness of the ellipse in logical units.

virtual Vector UnitVector ( unsigned int index )

virtual

Gets the unit vector

Parameters

index

virtual void UpdateBoundingVolume ( void )

virtual

Updates the bounding volume of this object This method should be called if the vertices change for picking and culling to work correctly. This will only update this object. If PerformGroupCullCheck is enabled for one of the objects parents, you may also need to call CalculateParentBoundingBox() to update all of the objects parents.

Reimplemented from DisplayObject.

virtual Vertex* Vertices ( )

virtual

Gets the object's vertices. You should call UpdateBoundingVolume after changing an object's extents.

See also: UpdateBoundingVolume

Returns: Pointer to the object's vertex array

Reimplemented from DisplayObject.

Member Data Documentation

Vector _centerTex

protected

Texture coordinate of center point

GlsDisplayList _displayList

protected

Stores the scale in a display list for faster drawing

Vector _end[2]

protected

Two points defining the ending edge of a partial ellipse.

float _endAngle

protected

Ending angle of ellipse segment in degrees

Vector _endTex[2]

protected

Texture coordinates of starting points

unsigned int _interval

protected

Interval between subdivisions, in degrees

float _magnitude[2]

protected

Magnitude of radii

Vector _normal

protected

Two radii defining the ellipse size and orientation Only used to read/write file. _radiiNormal is in controlNormal to surface defined by radii

GlsColor _objectColor

protected

Fill color of object

Vector _radii[2]

protected

Stores the scale in a display list for faster drawing

Vector _radiiUnit[2]

protected

Unit vector of radii

bool _solid

protected

If true, ellipse drawn as solid not as "donut"

Vector _start[2]

protected

Two points defining the starting edge of a partial ellipse.

float _startAngle

protected

Starting angle of ellipse segment in degrees

Vector _startTex[2]

protected

Texture coordinates of starting points

float _thickness

protected

Thickness of the outer edge of the ellipse in logical units

GlsMatrixType _world2tex

protected

Matrix used to calculate texture coordinates for the object

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

gls_ellipse.h

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation