away3d.primitives.NURBS

Public Properties

	Property		Defined by
		alpha : Number An optional alpha value that can be applied to the 3d object.	Object3D
		animationLibrary : AnimationLibrary Reference container for all animations used in the container.	Object3D
		back : Material Defines a triangle material to be used for the backface of all faces in the 3d object.	Mesh
		blendMode : String An optional blend mode that can be applied to the 3d object.	Object3D
		bothsides : Boolean Indicates whether both the front and reverse sides of a face should be rendered.	Mesh
		boundingRadius : Number Returns the bounding radius of the 3d object	AbstractPrimitive
		center : Array	Object3D
		collider : Boolean Indicates whether this object is used for collision detection.	Object3D
		controlNet : Array Defines the control point net to describe the NURBS surface	NURBS
		debugbb : Boolean Indicates whether a debug bounding box should be rendered around the 3d object.	Object3D
		debugBoundingBox : WireCube	Object3D
		debugBoundingSphere : WireSphere	Object3D
		debugbs : Boolean Indicates whether a debug bounding sphere should be rendered around the 3d object.	Object3D
		elements : Array Returns an array of all elements contained in the mesh object.	AbstractPrimitive
		eulers : Number3D Defines the rotation of the 3d object as a `Number3D` object containing euler angles for rotation around x, y and z axis.	Object3D
		extra : Object An optional untyped object that can contain used-defined properties	Object3D
		faces : Array Returns an array of the faces contained in the mesh object.	AbstractPrimitive
		faceVOs : Array Returns an array of the faceVOs contained in the mesh object.	Mesh
		filters : Array An optional array of filters that can be applied to the 3d object.	Object3D
		geometry : Geometry Defines the geometry object used for the mesh.	AbstractPrimitive
		geometryLibrary : GeometryLibrary Reference container for all geometries used in the container.	Object3D
		id : int	Object3D
		indexes : Array Placeholder for md2 frame indexes	Mesh
		indices : Array Returns an array of the indices contained in the mesh object.	Mesh
		inverseSceneTransform : Matrix3D Returns the inverse of sceneTransform.	Object3D
		material : Material Defines the material used to render the faces, segments or 3d sprites in the geometry object.	Mesh
		materialLibrary : MaterialLibrary Reference container for all materials used in the container.	Object3D
		maxX : Number Returns the maximum x value of the 3d object	AbstractPrimitive
		maxY : Number Returns the maximum y value of the 3d object	AbstractPrimitive
		maxZ : Number Returns the maximum z value of the 3d object	AbstractPrimitive
		minX : Number Returns the minimum x value of the 3d object	AbstractPrimitive
		minY : Number Returns the minimum y value of the 3d object	AbstractPrimitive
		minZ : Number Returns the minimum z value of the 3d object	AbstractPrimitive
		mouseEnabled : Boolean = true Defines whether mouse events are received on the 3d object	Object3D
		name : String An optional name string for the 3d object.	Object3D
		objectDepth : Number Boundary depth of the 3d object return The depth of the mesh	AbstractPrimitive
		objectHeight : Number Boundary height of the 3d object return The height of the mesh	AbstractPrimitive
		objectWidth : Number Boundary width of the 3d object return The width of the object	AbstractPrimitive
		outline : Material Defines a segment material to be used for outlining the 3d object.	Mesh
		ownCanvas : Boolean Defines whether the contents of the 3d object are rendered using it's own render session	Object3D
		ownSession : AbstractSession Defines a unique render session for the 3d object.	Object3D
		parent : ObjectContainer3D Defines the parent of the 3d object.	Object3D
		pivotPoint : Number3D Defines the local point around which the object rotates.	Object3D
		pivotZero : Boolean	Object3D
		position : Number3D Defines the position of the 3d object, relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		pushback : Boolean Elements use their furthest point from the camera when z-sorting	Object3D
		pushfront : Boolean Elements use their nearest point to the camera when z-sorting	Object3D
		renderer : Renderer An optional renderer object that can be used to render the contents of the object.	Object3D
		rotationX : Number Defines the euler angle of rotation of the 3d object around the x-axis, relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		rotationY : Number Defines the euler angle of rotation of the 3d object around the y-axis, relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		rotationZ : Number Defines the euler angle of rotation of the 3d object around the z-axis, relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		scaleX : Number Defines the scale of the 3d object along the x-axis, relative to local coordinates.	Object3D
		scaleY : Number Defines the scale of the 3d object along the y-axis, relative to local coordinates.	Object3D
		scaleZ : Number Defines the scale of the 3d object along the z-axis, relative to local coordinates.	Object3D
		scene : Scene3D Returns the parent scene of the 3d object	Object3D
		scenePivotPoint : Number3D	Object3D
		scenePosition : Number3D Returns the position of the 3d object, relative to the global coordinates of the `Scene3D` object.	Object3D
		sceneTransform : Matrix3D Returns the transformation of the 3d object, relative to the global coordinates of the `Scene3D` object.	Object3D
		screenXOffset : Number Defines an additional offset to the x coordinate used on mesh elements or objects with ownCanvas set to true	Object3D
		screenYOffset : Number Defines an additional offset to the y coordinate used on mesh elements or objects with ownCanvas set to true	Object3D
		screenZOffset : Number Defines an additional offset to the z-sorting algorithm used on mesh elements or objects with ownCanvas set to true	Object3D
		segments : Array Returns an array of the segments contained in the mesh object.	AbstractPrimitive
		segmentVOs : Array Returns an array of the segmentVOs contained in the mesh object.	Mesh
		session : AbstractSession The render session used by the 3d object	Object3D
		sprites : Array Returns an array of the 3d sprites contained in the mesh object.	AbstractPrimitive
		spriteVOs : Array Returns an array of the spriteVOs contained in the mesh object.	Mesh
		startIndices : Array Returns an array of the start indices contained in the mesh object.	Mesh
		surface : Array	NURBS
		transform : Matrix3D Defines the transformation of the 3d object, relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		type : String = "mesh" String defining the type of class used to generate the mesh.	Mesh
		uControlPoints : int Defines the number of control points along the U splines	NURBS
		uKnot : Array Defines the knot sequence in the U direction that determines where and how the control points affect the NURBS curve.	NURBS
		uOrder : int Defines the number of control points along the U splines that influence any given point on the curve	NURBS
		url : String String defining the source of the mesh.	Mesh
		uSegments : int Defines the number segments (triangle pair) the final curve will be divided into in the U direction	NURBS
		useHandCursor : Boolean = false Defines whether a hand cursor is displayed when the mouse rolls over the 3d object.	Object3D
		vControlPoints : int Defines the number of control points along the V splines	NURBS
		vertices : Array Returns an array of the vertices contained in the mesh object.	AbstractPrimitive
		visible : Boolean Defines whether the 3d object is visible in the scene	Object3D
		vKnot : Array Defines the knot sequence in the V direction that determines where and how the control points affect the NURBS curve.	NURBS
		vOrder : int Defines the number of control points along the V splines that influence any given point on the curve	NURBS
		vSegments : int Defines the number segments (triangle pair) the final curve will be divided into in the V direction	NURBS
		x : Number Defines the x coordinate of the 3d object relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		y : Number Defines the y coordinate of the 3d object relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		z : Number Defines the z coordinate of the 3d object relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D

	Property	Defined by
		ini : Init Instance of the Init object used to hold and parse default property values specified by the initialiser object in the 3d object constructor.	Object3D
		_pivotPoint : Number3D	Object3D

Public Methods

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	Method		Defined by
		NURBS (cNet:Array, uCtrlPnts:int, vCtrlPnts:int, init:Object = null) NURBS primitive generates a segmented mesh that fits the curved surface defined by the specified control points based on weighting, order influence and knot sequence	NURBS
		addFace(face:Face):void Adds a face object to the mesh object.	Mesh
		addOnDimensionsChange(listener:Function):void Default method for adding a dimensionschanged event listener	Object3D
		addOnMouseDown(listener:Function):void Default method for adding a mouseDown3D event listener	Object3D
		addOnMouseMove(listener:Function):void Default method for adding a mouseMove3D event listener	Object3D
		addOnMouseOut(listener:Function):void Default method for adding a mouseOut3D event listener	Object3D
		addOnMouseOver(listener:Function):void Default method for adding a mouseOver3D event listener	Object3D
		addOnMouseUp(listener:Function):void Default method for adding a mouseUp3D event listener	Object3D
		addOnPositionChange(listener:Function):void Default method for adding a positionchanged event listener	Object3D
		addOnRollOut(listener:Function):void Default method for adding a rollOut3D event listener	Object3D
		addOnRollOver(listener:Function):void Default method for adding a rollOver3D event listener	Object3D
		addOnScaleChange(listener:Function):void Default method for adding a scalechanged event listener	Object3D
		addOnSceneChange(listener:Function):void Default method for adding a scenechanged event listener	Object3D
		addOnSceneTransformChange(listener:Function):void Default method for adding a scenetransformchanged event listener	Object3D
		addOnSessionChange(listener:Function):void Default method for adding a sessionchanged event listener	Object3D
		addOnVisibilityUpdate(listener:Function):void Default method for adding a visibilityUpdated event listener	Object3D
		addSegment(segment:Segment):void Adds a segment object to the mesh object.	Mesh
		addSprite(sprite3d:Sprite3D):void Adds a sprite3d object to the mesh object.	Mesh
		applyPosition(dx:Number, dy:Number, dz:Number):void Apply the given position to the geometry without altering the appearance of the mesh	Mesh
		applyRotations():void Apply the local rotations to the geometry without altering the appearance of the mesh	Mesh
		asAS3Class(classname:String = null, packagename:String = "", round:Boolean = false, animated:Boolean = false):String Returns a formatted string containing a self contained AS3 class definition that can be used to re-create the mesh.	Mesh
		asXML():XML Returns an xml representation of the mesh	Mesh
		centerPivot():void Adjusts the pivot point of the object so that it lies at the center of it's geoemtry.	Object3D
		clone(object:Object3D = null):Object3D Duplicates the mesh properties to another 3d object.	Mesh
		cloneAll(object:Object3D = null):Object3D Duplicates the mesh properties to another 3d object, including geometry.	Mesh
		distanceTo(obj:Object3D):Number Calulates the absolute distance between the local 3d object position and the position of the given 3d object	Object3D
		getSurfacePoint(surfacePoint:Number3D, uS:Number, vS:Number, vecOffset:Number, uTol:Number = 0.01, vTol:Number = 0.01):Number3D Return a 3d point representing the surface point at the required U(0-1) and V(0-1) across the NURBS curved surface.	NURBS
		invertFaces():void Inverts the geometry of all face objects.	Mesh
		lookAt(target:Number3D, upAxis:Number3D = null):void Rotates the 3d object around to face a point defined relative to the local coordinates of the parent `ObjectContainer3D`.	Object3D
		moveBackward(distance:Number):void Moves the 3d object backwards along it's local z axis	Object3D
		moveDown(distance:Number):void Moves the 3d object backwards along it's local y axis	Object3D
		moveForward(distance:Number):void Moves the 3d object forwards along it's local z axis	Object3D
		moveLeft(distance:Number):void Moves the 3d object backwards along it's local x axis	Object3D
		movePivot(dx:Number, dy:Number, dz:Number):void Moves the local point around which the object rotates.	Object3D
		moveRight(distance:Number):void Moves the 3d object forwards along it's local x axis	Object3D
		moveTo(dx:Number, dy:Number, dz:Number):void Moves the 3d object directly to a point in space	Object3D
		moveUp(distance:Number):void Moves the 3d object forwards along it's local y axis	Object3D
		pitch(angle:Number):void Rotates the 3d object around it's local x-axis	Object3D
		quarterFace(face:Face):void Divides a face object into 4 equal sized face objects.	Mesh
		quarterFaces():void Divides all faces objects of a Mesh into 4 equal sized face objects.	Mesh
		refreshNURBS():void Refresh the mesh without reconstructing all the supporting data.	NURBS
		removeFace(face:Face):void Removes a face object from the mesh object.	Mesh
		removeOnDimensionsChange(listener:Function):void Default method for removing a dimensionschanged event listener	Object3D
		removeOnMouseDown(listener:Function):void Default method for removing a mouseDown3D event listener	Object3D
		removeOnMouseMove(listener:Function):void Default method for removing a mouseMove3D event listener	Object3D
		removeOnMouseOut(listener:Function):void Default method for removing a mouseOut3D event listener	Object3D
		removeOnMouseOver(listener:Function):void Default method for removing a mouseOver3D event listener	Object3D
		removeOnMouseUp(listener:Function):void Default method for removing a mouseUp3D event listener	Object3D
		removeOnPositionChange(listener:Function):void Default method for removing a positionchanged event listener	Object3D
		removeOnRollOut(listener:Function):void Default method for removing a rollOut3D event listener	Object3D
		removeOnRollOver(listener:Function):void Default method for removing a rollOver3D event listener	Object3D
		removeOnScaleChange(listener:Function):void Default method for removing a scalechanged event listener	Object3D
		removeOnSceneChange(listener:Function):void Default method for removing a scenechanged event listener	Object3D
		removeOnSceneTransformChange(listener:Function):void Default method for removing a scenetransformchanged event listener	Object3D
		removeOnSessionChange(listener:Function):void Default method for removing a sessionchanged event listener	Object3D
		removeOnVisibilityUpdate(listener:Function):void Default method for removing a visibilityUpdated event listener	Object3D
		removeSegment(segment:Segment):void Removes a segment object from the mesh object.	Mesh
		removeSprite(sprite3d:Sprite3D):void Removes a 3d sprite object from the mesh object.	Mesh
		roll(angle:Number):void Rotates the 3d object around it's local z-axis	Object3D
		rotate(axis:Number3D, angle:Number):void Rotates the 3d object around an axis by a defined angle	Object3D
		rotateTo(ax:Number, ay:Number, az:Number):void Rotates the 3d object directly to a euler angle	Object3D
		scale(scale:Number):void Scales the contents of the 3d object.	Object3D
		splitFace(face:Face, side:int = 0):void Divides a face object into 2 face objects.	Mesh
		splitFaces(side:int = 0):void Divides all faces objects of a Mesh into 2 face objects.	Mesh
		tick(time:int):void Called by the `TickTraverser`.	Object3D
		toString():String Used to trace the values of a 3d object.	Object3D
		translate(axis:Number3D, distance:Number):void Moves the 3d object along a vector by a defined length	Object3D
		traverse(traverser:Traverser):void Used when traversing the scenegraph	Object3D
		triFace(face:Face):void Divides a face object into 3 face objects.	Mesh
		triFaces():void Divides all faces objects of a Mesh into 3 face objects.	Mesh
		updateBounds():void	Mesh
		updateMesh(view:View3D):void Updates the materials in the mesh object	Mesh
		updateVertex(v:Vertex, x:Number, y:Number, z:Number, refreshNormals:Boolean = false):void update vertex information.	Mesh
		yaw(angle:Number):void Rotates the 3d object around it's local y-axis	Object3D

	Method	Defined by
		buildPrimitive():void Rebuild the mesh as there is significant change to the structural parameters	NURBS
		updateDimensions():void	Mesh
		updateTransform():void	Object3D

Summary	Defined by
contentUpdated	Dispatched when the contents of the 3d object updates.	Object3D
dimensionsChanged	Dispatched when the bounding dimensions of the 3d object changes.	Object3D
mouseDown	Dispatched when a user presses the left hand mouse button while the cursor is over the 3d object.	Object3D
mouseMove	Dispatched when a user moves the cursor while it is over the 3d object.	Object3D
mouseOut	Dispatched when a user moves the cursor away from the 3d object.	Object3D
mouseOver	Dispatched when a user moves the cursor over the 3d object.	Object3D
mouseUp	Dispatched when a user releases the left hand mouse button while the cursor is over the 3d object.	Object3D
rollOut	Dispatched when a user rolls out of the 3d object.	Object3D
rollOver	Dispatched when a user rolls over the 3d object.	Object3D
sceneChanged	Dispatched when the parent scene of the 3d object changes.	Object3D
scenetransformChanged	Dispatched when the scene transform matrix of the 3d object changes.	Object3D
sessionChanged	Dispatched when the render session property of the 3d object changes.	Object3D
transformChanged	Dispatched when the local transform matrix of the 3d object changes.	Object3D

	Constant	Defined by
		CONTROL_POINT_NET : int = 1 [static]	NURBS
		NURBS_MESH : int = 0 [static]	NURBS

Property detail

controlNet

property

controlNet:Array [read-write]

Defines the control point net to describe the NURBS surface

Implementation
public function get controlNet():Array
public function set controlNet(value:Array):void

surface

property

public var surface:Array

uControlPoints

property

uControlPoints:int [read-write]

Defines the number of control points along the U splines

Implementation
public function get uControlPoints():int
public function set uControlPoints(value:int):void

uKnot

property

uKnot:Array [read-write]

Defines the knot sequence in the U direction that determines where and how the control points affect the NURBS curve.

Implementation
public function get uKnot():Array
public function set uKnot(value:Array):void

uOrder

property

uOrder:int [read-write]

Defines the number of control points along the U splines that influence any given point on the curve

Implementation
public function get uOrder():int
public function set uOrder(value:int):void

uSegments

property

uSegments:int [read-write]

Defines the number segments (triangle pair) the final curve will be divided into in the U direction

Implementation
public function get uSegments():int
public function set uSegments(value:int):void

vControlPoints

property

vControlPoints:int [read-write]

Defines the number of control points along the V splines

Implementation
public function get vControlPoints():int
public function set vControlPoints(value:int):void

vKnot

property

vKnot:Array [read-write]

Defines the knot sequence in the V direction that determines where and how the control points affect the NURBS curve.

Implementation
public function get vKnot():Array
public function set vKnot(value:Array):void

vOrder

property

vOrder:int [read-write]

Defines the number of control points along the V splines that influence any given point on the curve

Implementation
public function get vOrder():int
public function set vOrder(value:int):void

vSegments

property

vSegments:int [read-write]

Defines the number segments (triangle pair) the final curve will be divided into in the V direction

Implementation
public function get vSegments():int
public function set vSegments(value:int):void

Constructor detail

NURBS

()

constructor

public function NURBS(cNet:Array, uCtrlPnts:int, vCtrlPnts:int, init:Object = null)Parameters

	`cNet:Array` — Array of control points (WeightedVertex array)

	`uCtrlPnts:int` — Number of control points in the U direction

	`vCtrlPnts:int` — Number of control points in the V direction

	`init:Object` (default = `null`) — Init object for the mesh

Init Parameters

	`renderMode:Int` (default = NURBS_MESH)
	`uOrder:Int` (default = 4)
	`vOrder:Int` (default = 4)
	`uKnot:Array`
	`vKnot:Array`
	`uSegments:Int` (default = 8)
	`vSegments:Int` (default = 8)

Method detail

buildPrimitive

()

method

protected override function buildPrimitive():void

Rebuild the mesh as there is significant change to the structural parameters

getSurfacePoint

()

method

public function getSurfacePoint(surfacePoint:Number3D, uS:Number, vS:Number, vecOffset:Number, uTol:Number = 0.01, vTol:Number = 0.01):Number3D

Return a 3d point representing the surface point at the required U(0-1) and V(0-1) across the NURBS curved surface.

Parameters

	`surfacePoint:Number3D` — Point being updated

	`uS:Number` — U position on the surface

	`vS:Number` — V position on the surface

	`vecOffset:Number` — Offset the point on the surface by this vector

	`uTol:Number` (default = `0.01`)

	`vTol:Number` (default = `0.01`)

Returns

Number3D — The offset surface point being returned

refreshNURBS

()

method

public function refreshNURBS():void

Refresh the mesh without reconstructing all the supporting data. This should be used only when the control point positions change.

Constant detail

CONTROL_POINT_NET

constant

public static const CONTROL_POINT_NET:int = 1

NURBS_MESH

constant

public static const NURBS_MESH:int = 0

Wiki link

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Code examples

Comments

Away3D FP9 V2.5.2 API Documentation	All Packages \| All Classes \| Index \| Frames No Frames
Class NURBS		Properties \| Methods \| Events \| Constants

Package	away3d.primitives
Class	public class NURBS
Inheritance	NURBS AbstractPrimitive Mesh Object3D flash.events.EventDispatcher