away3d.graphs.bsp.BSPTree

Public Properties

	Property		Defined by
		activeLeaf : BSPNode [read-only] The leaf containing the camera.	BSPTree
		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	Object3D
		center : Array	Object3D
		children : Array Returns the children of the container as an array of 3d objects	ObjectContainer3D
		collidedObject : Object3D [read-only]	BSPTree
		collider : Boolean Indicates whether this object is used for collision detection.	Object3D
		collisionPlane : Plane3D [read-only] The plane against which was collided during the last call to traceCollision	BSPTree
		collisionRatio : Number [read-only] The ratio [0, 1] on the movement line where the previous collision occurred	BSPTree
		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.	Mesh
		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.	Mesh
		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.	Mesh
		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 : MatrixAway3D 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	Object3D
		maxY : Number Returns the maximum y value of the 3d object	Object3D
		maxZ : Number Returns the maximum z value of the 3d object	Object3D
		minX : Number Returns the minimum x value of the 3d object	Object3D
		minY : Number Returns the minimum y value of the 3d object	Object3D
		minZ : Number Returns the minimum z value of the 3d object	Object3D
		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	Object3D
		objectHeight : Number Boundary height of the 3d object return The height of the mesh	Object3D
		objectWidth : Number Boundary width of the 3d object return The width of the object	Object3D
		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 [write-only]	BSPTree
		pivotPoint : Number3D Defines the local point around which the object rotates.	Object3D
		pivotZero : Boolean	Object3D
		polyCount : int Returns the number of elements in the container, including elements in child nodes.	ObjectContainer3D
		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
		rootNode : BSPNode [read-only]	BSPTree
		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 : MatrixAway3D 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.	Mesh
		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.	Mesh
		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
		transform : MatrixAway3D 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
		url : String String defining the source of the mesh.	Mesh
		useHandCursor : Boolean = false Defines whether a hand cursor is displayed when the mouse rolls over the 3d object.	Object3D
		usePVS : Boolean = true	BSPTree
		vertices : Array Returns an array of the vertices contained in the mesh object.	Mesh
		visible : Boolean Defines whether the 3d object is visible in the scene	Object3D
		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

Hide Inherited Public Methods

Show Inherited Public Methods

	Method		Defined by
		BSPTree (buildDynamicCollisionTree:Boolean = true) Creates a new BSPTree object.	BSPTree
		addChild(child:Object3D):void Adds a 3d object to the scene as a child of the container	BSPTree
		addChildren(... childarray):void Adds an array of 3d objects to the scene as children of the container	ObjectContainer3D
		addFace(face:Face):void Adds a face object to the mesh object.	Mesh
		addLight(light:AbstractLight):void Adds a light as a child of the container	ObjectContainer3D
		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 child objects without altering the appearance of the object container	ObjectContainer3D
		applyRotations():void Apply the local rotations to child objects without altering the appearance of the object container	ObjectContainer3D
		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
		centerMeshes():void Adjusts each pivot point of the container object's children so that they lies at the center of each childs geoemtry.	ObjectContainer3D
		centerPivot():void Adjusts the pivot point of the object so that it lies at the center of it's geoemtry.	ObjectContainer3D
		clone(object:Object3D = null):Object3D Duplicates the 3d object's properties to another `ObjectContainer3D` object	ObjectContainer3D
		cloneAll(object:Object3D = null):Object3D Duplicates the 3d object's properties to another `ObjectContainer3D` object, including bones and geometry	ObjectContainer3D
		distanceTo(obj:Object3D):Number Calulates the absolute distance between the local 3d object position and the position of the given 3d object	Object3D
		getBoneByName(boneName:String):Bone Returns a bone object specified by name from the child array of the container	ObjectContainer3D
		getChildByName(childName:String):Object3D Returns a 3d object specified by name from the child array of the container	ObjectContainer3D
		getLeafContaining(point:Number3D, quitOnCulled:Boolean = false):BSPNode Finds the leaf that contains a given point	BSPTree
		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
		removeChild(child:Object3D):void Removes a 3d object from the child array of the container	BSPTree
		removeChildByName(name:String):void Removes a 3d object from the child array of the container	ObjectContainer3D
		removeFace(face:Face):void Removes a face object from the mesh object.	Mesh
		removeLight(light:AbstractLight):void Removes a light from the container	ObjectContainer3D
		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
		replaceMaterial(material:Material, newMaterial:Material, clearPreviousMaterial:Boolean = true):void Replaces the Material of a mesh by another one	BSPTree
		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
		traceCollision(start:Number3D, end:Number3D, testMethod:int, halfExtents:Number3D = null):Boolean Finds the closest colliding Face between start and end position	BSPTree
		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	BSPTree
		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
		updateDimensions():void	ObjectContainer3D
		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
		COLLISION_EPSILON : Number = 0.1 [static]	BSPTree
		EPSILON : Number = 0.07 [static]	BSPTree
		TEST_METHOD_AABB : int = 1 [static]	BSPTree
		TEST_METHOD_ELLIPSOID : int = 2 [static]	BSPTree
		TEST_METHOD_POINT : int = 0 [static]	BSPTree

Property detail

activeLeaf

property

activeLeaf:BSPNode [read-only]

The leaf containing the camera. Returns null if the camera is in "solid" space.

Implementation
public function get activeLeaf():BSPNode

_collidedObject

property

arcane var _collidedObject:Object3D

collidedObject

property

collidedObject:Object3D [read-only]

Implementation
public function get collidedObject():Object3D

_collisionPlane

property

arcane var _collisionPlane:Plane3D

collisionPlane

property

collisionPlane:Plane3D [read-only]

The plane against which was collided during the last call to traceCollision

Implementation
public function get collisionPlane():Plane3D

_collisionRatio

property

arcane var _collisionRatio:Number

collisionRatio

property

collisionRatio:Number [read-only]

The ratio [0, 1] on the movement line where the previous collision occurred

Implementation
public function get collisionRatio():Number

_leaves

property

arcane var _leaves:Vector

leaves

property

leaves:Vector [read-only]

All the leaves in the current tree

Implementation
arcane function get leaves():Vector

parent

property

parent:ObjectContainer3D [write-only]

Implementation
public function set parent(value:ObjectContainer3D):void

_rootNode

property

arcane var _rootNode:BSPNode

rootNode

property

rootNode:BSPNode [read-only]Implementation
public function get rootNode():BSPNode

usePVS

property

public var usePVS:Boolean = true

Constructor detail

BSPTree

()

constructor

public function BSPTree(buildDynamicCollisionTree:Boolean = true)Parameters

buildDynamicCollisionTree:Boolean (default = true)

Init Parameters

Method detail

addChild

()

method

public override function addChild(child:Object3D):void

Adds a 3d object to the scene as a child of the container

Parameters

child:Object3D — The 3d object to be added

addTemporaryChild

()

method

arcane function addTemporaryChild(mesh:Mesh):void Parameters

mesh:Mesh

getLeafContaining

()

method

public function getLeafContaining(point:Number3D, quitOnCulled:Boolean = false):BSPNode

Finds the leaf that contains a given point

Parameters

	`point:Number3D` — The point to be traced. The point is expressed in local space.

	`quitOnCulled:Boolean` (default = `false`) — Indicates whether leaf finding should stop when a culled node is encountered.

Returns

BSPNode — The leaf containing the point

removeChild

()

method

public override function removeChild(child:Object3D):void

Removes a 3d object from the child array of the container

Parameters

child:Object3D — The 3d object to be removed

removeTemporaryChild

()

method

arcane function removeTemporaryChild(mesh:Mesh):void Parameters

mesh:Mesh

replaceMaterial

()

method

public function replaceMaterial(material:Material, newMaterial:Material, clearPreviousMaterial:Boolean = true):void

Replaces the Material of a mesh by another one

Parameters

	`material:Material` — The actual material applied, used to compare with the meshes fragments

	`newMaterial:Material` — The material that will replace the applied one

	`clearPreviousMaterial:Boolean` (default = `true`) — [optional] Clear previous material and nullifies it. Default is true. Note that eventual bitmapdata is NOT cleared.

traceCollision

()

method

public function traceCollision(start:Number3D, end:Number3D, testMethod:int, halfExtents:Number3D = null):Boolean

Finds the closest colliding Face between start and end position

Parameters

	`start:Number3D` — The starting position of the object (ie the object's current position)

	`end:Number3D` — The position the object is trying to reach

	`testMethod:int` — The radii of the object's bounding eclipse

	`halfExtents:Number3D` (default = `null`)

Returns

Boolean — The closest Face colliding with the object. Null if no collision was found.

traverse

()

method

public override function traverse(traverser:Traverser):void

Used when traversing the scenegraph

Parameters

traverser:Traverser — The traverser object

Constant detail

COLLISION_EPSILON

constant

public static const COLLISION_EPSILON:Number = 0.1

EPSILON

constant

public static const EPSILON:Number = 0.07

TEST_METHOD_AABB

constant

public static const TEST_METHOD_AABB:int = 1

TEST_METHOD_ELLIPSOID

constant

public static const TEST_METHOD_ELLIPSOID:int = 2

TEST_METHOD_POINT

constant

public static const TEST_METHOD_POINT:int = 0

Wiki link

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Code examples

Comments

Away3D FP10 V3.5.2 API Documentation	All Packages \| All Classes \| Index \| Frames No Frames
Class BSPTree		Properties \| Methods \| Events \| Constants

Package	away3d.graphs.bsp
Class	public class BSPTree
Inheritance	BSPTree ObjectContainer3D Mesh Object3D flash.events.EventDispatcher