Class ParticleSystem

Runtime scene node for immutable compiled particle-system definitions.

Hierarchy (View Summary)

Node
- ParticleSystem

Index

Constructors

constructor

Constructors

constructor

new ParticleSystem(
parameters: Readonly<ParticleSystemParameters>,
): ParticleSystem
Parameters
- parameters: Readonly<ParticleSystemParameters>
Returns ParticleSystem
Overrides Node.constructor
- Defined in particle/ParticleSystem.ts:188

Properties

__forceUseParentWorldMatrix

__forceUseParentWorldMatrix: boolean = false

是否强制使用父元素 worldMatrix，供高级开发者使用

_listeners

_listeners: ListenerMap | null = null

_matrixDirty

_matrixDirty: boolean = false

`Optional`_originName

_originName?: string

_quatDirty

_quatDirty: boolean = false

anim

anim: Animation | null = null

动画

animationId

animationId: string = ''

animation 查找 id

autoUpdateChildWorldMatrix

autoUpdateChildWorldMatrix: boolean = true

是否自动更新子元素世界矩阵

autoUpdateWorldMatrix

autoUpdateWorldMatrix: boolean = true

是否自动更新世界矩阵

`Readonly`budgetId

budgetId: string

`Readonly`budgetPriority

budgetPriority: number

children

children: Node[]

className

className: string = 'ParticleSystem'

`Readonly`compiledPlan

compiledPlan: Readonly<ParticleCompiledPlan>

`Readonly`definition

definition: ParticleSystemDefinition

id

id: string

isCamera

isCamera: boolean = false

isMesh

isMesh: boolean = false

isNode

isNode: boolean = true

isSkinnedMesh

isSkinnedMesh: boolean = false

jointName

jointName: string = ''

骨骼名称

layer

layer: number = 1

Scene-layer bit mask. Bit zero is the default 3D layer.

Parents do not override a child's layer: visible controls hierarchical visibility, while layer controls per-camera collection for each renderable node.

matrixVersion

matrixVersion: number = 0

矩阵 version，每次改变会加一

name

name: string = ''

Node 的名字，可以通过 getChildByName 查找

needCallChildUpdate

needCallChildUpdate: boolean = true

每次更新的时候是否调用子节点的 onUpdate 方法

onlySyncQuaternion

onlySyncQuaternion: boolean = false

只同步四元数，不同步欧拉角

onUpdate

onUpdate: ((deltaTime: number) => void) | null = null

update 回调

`Readonly`parameters

parameters: ParticleParameterSet

parent

parent: Node | null = null

父节点

pointerChildren

pointerChildren: boolean = true

子元素是否接受交互事件。

pointerEnabled

pointerEnabled: boolean = true

可视对象是否接受交互事件。默认为接受交互事件，即true。

`Readonly`seed

seed: number

up

up: Vector3

useHandCursor

useHandCursor: boolean = false

是否用鼠标指针

userData

userData: unknown = null

用户数据

visible

visible: boolean = true

节点是否显示

worldMatrix

worldMatrix: Matrix4

worldMatrixVersion

worldMatrixVersion: number = 0

世界矩阵 version，每次改变会加一

`Static` `Readonly`TRAVERSE_STOP_ALL

TRAVERSE_STOP_ALL: 2 = TRAVERSE_STOP_ALL

traverse callback 返回值，执行后暂停所有 traverse

`Static` `Readonly`TRAVERSE_STOP_CHILDREN

TRAVERSE_STOP_CHILDREN: 1 = TRAVERSE_STOP_CHILDREN

traverse callback 返回值，执行后暂停子元素 traverse

`Static` `Readonly`TRAVERSE_STOP_NONE

TRAVERSE_STOP_NONE: 0 = TRAVERSE_STOP_NONE

traverse callback 返回值，执行后不暂停 traverse

`Static` `Readonly`typeName

typeName: "ParticleSystem" = 'ParticleSystem'

Accessors

aliveCount

get aliveCount(): number
Total dense alive count across CPU/stateless emitters; GPU plans avoid count readback.

Returns number
- Defined in particle/ParticleSystem.ts:252

completed

get completed(): boolean
True after all non-looping emitters finished and their dense alive ranges became empty.

Returns boolean
- Defined in particle/ParticleSystem.ts:318

elapsedSeconds

get elapsedSeconds(): number
Scaled runtime age in seconds, excluding prewarm.

Returns number
- Defined in particle/ParticleSystem.ts:247

eventDiagnostics

get eventDiagnostics(): Readonly<{ droppedCount: number; pendingCount: number }>
Bounded aggregate event diagnostics; no GPU or per-particle synchronous readback occurs.

Returns Readonly<{ droppedCount: number; pendingCount: number }>
- Defined in particle/ParticleSystem.ts:323

matrix

get matrix(): Matrix4Notifier
元素的矩阵

Returns Matrix4Notifier
Inherited from Node.matrix
- Defined in core/Node.ts:795

pivot

get pivot(): Vector3Notifier
中心点

Returns Vector3Notifier
Inherited from Node.pivot
- Defined in core/Node.ts:918

pivotX

get pivotX(): number
中心点x

Returns number
Inherited from Node.pivotX
- Defined in core/Node.ts:924
set pivotX(value: number): void
中心点x
Parameters
- value: number
Returns void
Inherited from Node.pivotX
- Defined in core/Node.ts:930

pivotY

get pivotY(): number
中心点y

Returns number
Inherited from Node.pivotY
- Defined in core/Node.ts:937
set pivotY(value: number): void
中心点y
Parameters
- value: number
Returns void
Inherited from Node.pivotY
- Defined in core/Node.ts:943

pivotZ

get pivotZ(): number
中心点z

Returns number
Inherited from Node.pivotZ
- Defined in core/Node.ts:950
set pivotZ(value: number): void
中心点z
Parameters
- value: number
Returns void
Inherited from Node.pivotZ
- Defined in core/Node.ts:956

playing

get playing(): boolean
Whether Stage updates currently advance this particle system.

Returns boolean
- Defined in particle/ParticleSystem.ts:242

position

get position(): Vector3Notifier
位置

Returns Vector3Notifier
Inherited from Node.position
- Defined in core/Node.ts:802

quaternion

get quaternion(): Quaternion
四元数角度

Returns Quaternion
Inherited from Node.quaternion
- Defined in core/Node.ts:1005

rotation

get rotation(): EulerNotifier
欧拉角

Returns EulerNotifier
Inherited from Node.rotation
- Defined in core/Node.ts:963

rotationX

get rotationX(): number
旋转角度 x, 角度制

Returns number
Inherited from Node.rotationX
- Defined in core/Node.ts:969
set rotationX(value: number): void
旋转角度 x, 角度制
Parameters
- value: number
Returns void
Inherited from Node.rotationX
- Defined in core/Node.ts:975

rotationY

get rotationY(): number
旋转角度 y, 角度制

Returns number
Inherited from Node.rotationY
- Defined in core/Node.ts:981
set rotationY(value: number): void
旋转角度 y, 角度制
Parameters
- value: number
Returns void
Inherited from Node.rotationY
- Defined in core/Node.ts:987

rotationZ

get rotationZ(): number
旋转角度 z, 角度制

Returns number
Inherited from Node.rotationZ
- Defined in core/Node.ts:993
set rotationZ(value: number): void
旋转角度 z, 角度制
Parameters
- value: number
Returns void
Inherited from Node.rotationZ
- Defined in core/Node.ts:999

scale

get scale(): Vector3Notifier
缩放

Returns Vector3Notifier
Inherited from Node.scale
- Defined in core/Node.ts:873

scaleX

get scaleX(): number
缩放比例x

Returns number
Inherited from Node.scaleX
- Defined in core/Node.ts:879
set scaleX(value: number): void
缩放比例x
Parameters
- value: number
Returns void
Inherited from Node.scaleX
- Defined in core/Node.ts:885

scaleY

get scaleY(): number
缩放比例y

Returns number
Inherited from Node.scaleY
- Defined in core/Node.ts:892
set scaleY(value: number): void
缩放比例y
Parameters
- value: number
Returns void
Inherited from Node.scaleY
- Defined in core/Node.ts:898

scaleZ

get scaleZ(): number
缩放比例z

Returns number
Inherited from Node.scaleZ
- Defined in core/Node.ts:905
set scaleZ(value: number): void
缩放比例z
Parameters
- value: number
Returns void
Inherited from Node.scaleZ
- Defined in core/Node.ts:911

sortingLayer

get sortingLayer(): number
Coarse 2D display layer. Higher values render later.

Unlike layer, this value does not affect Camera visibility. Sprite and Text2D ordering is stable for equal sortingLayer and zIndex, so scene-tree traversal order remains the final tie breaker.

Returns number
Inherited from CameraHelper.sortingLayer
- Defined in core/Node.ts:812
set sortingLayer(value: number): void
Parameters
- value: number
Returns void
Inherited from CameraHelper.sortingLayer
- Defined in core/Node.ts:815

timeScale

get timeScale(): number
Returns number
- Defined in particle/ParticleSystem.ts:435
set timeScale(value: number): void
Parameters
- value: number
Returns void
- Defined in particle/ParticleSystem.ts:439

x

get x(): number
x轴坐标

Returns number
Inherited from Node.x
- Defined in core/Node.ts:834
set x(value: number): void
x轴坐标
Parameters
- value: number
Returns void
Inherited from Node.x
- Defined in core/Node.ts:840

y

get y(): number
y轴坐标

Returns number
Inherited from Node.y
- Defined in core/Node.ts:847
set y(value: number): void
y轴坐标
Parameters
- value: number
Returns void
Inherited from Node.y
- Defined in core/Node.ts:853

z

get z(): number
z轴坐标

Returns number
Inherited from Node.z
- Defined in core/Node.ts:860
set z(value: number): void
z轴坐标
Parameters
- value: number
Returns void
Inherited from Node.z
- Defined in core/Node.ts:866

zIndex

get zIndex(): number
Fine 2D display order within sortingLayer. Higher values render later.

Returns number
Inherited from CameraHelper.zIndex
- Defined in core/Node.ts:822
set zIndex(value: number): void
Parameters
- value: number
Returns void
Inherited from CameraHelper.zIndex
- Defined in core/Node.ts:825

Methods

_firePointerEvent

_firePointerEvent(event: NodePointerEvent): void
冒泡指针事件，并维护各 pointerId 的进入/离开状态。
Parameters
- event: NodePointerEvent
Returns void
Inherited from Node._firePointerEvent
- Defined in core/Node.ts:1040

_onMatrixUpdate

_onMatrixUpdate(): void
Returns void
Inherited from Node._onMatrixUpdate
- Defined in core/Node.ts:1083

_onPivotUpdate

_onPivotUpdate(): void
Returns void
Inherited from Node._onPivotUpdate
- Defined in core/Node.ts:1093

_onPositionUpdate

_onPositionUpdate(): void
Returns void
Inherited from Node._onPositionUpdate
- Defined in core/Node.ts:1087

_onQuaternionUpdate

_onQuaternionUpdate(): void
Returns void
Inherited from Node._onQuaternionUpdate
- Defined in core/Node.ts:1100

_onRotationUpdate

_onRotationUpdate(): void
Returns void
Inherited from Node._onRotationUpdate
- Defined in core/Node.ts:1096

_onScaleUpdate

_onScaleUpdate(): void
Returns void
Inherited from Node._onScaleUpdate
- Defined in core/Node.ts:1090

addChild

addChild(child: Node): this
添加一个子元素
Parameters
- child: Node
  需要添加的子元素
Returns this
this
Inherited from Node.addChild
- Defined in core/Node.ts:354

addTo

addTo(parent: Node): this
将当前元素添加到某个父元素的子元素中
Parameters
- parent: Node
  需要添加到的父元素
Returns this
this
Inherited from Node.addTo
- Defined in core/Node.ts:380

bakeFlipbook

bakeFlipbook(
options: Readonly<ParticleFlipbookOptions>,
): Promise<ParticleFlipbook>
Bake real render-target readbacks into a tightly packed flipbook atlas.

The callback owns rendering and asynchronous readback; the system owns deterministic timeline advancement and restores its exact checkpoint after completion or failure.
Parameters
- options: Readonly<ParticleFlipbookOptions>
Returns Promise<ParticleFlipbook>
- Defined in particle/ParticleSystem.ts:712

bakeMeshCache

bakeMeshCache(options: Readonly<ParticleMeshCacheOptions>): ParticleMeshCache
Bake stable-ID-sorted frame-major instance streams for authored mesh emitters.

The system is restored to its exact simulation checkpoint after the synchronous bake.
Parameters
- options: Readonly<ParticleMeshCacheOptions>
Returns ParticleMeshCache
- Defined in particle/ParticleSystem.ts:623

captureSimulation

captureSimulation(): ParticleSimulationCache
Capture one reusable deterministic replay checkpoint without GPU readback.

Stateful GPU emitters are rejected because their authoritative state is device-resident. Stateless GPU emitters capture only absolute reconstruction time.

Returns ParticleSimulationCache
- Defined in particle/ParticleSystem.ts:762

clone

clone(isChild?: boolean): ParticleSystem
Parameters
- OptionalisChild: boolean
  是否子节点，子节点不会处理动画及骨骼Mesh，即如果有动画将共享
Returns ParticleSystem
返回clone的Node
Overrides Node.clone
- Defined in particle/ParticleSystem.ts:982

destroy

destroy(renderer?: Renderer<RendererBackend>, destroyTextures?: boolean): this
销毁 Node 资源
Parameters
- Optionalrenderer: Renderer<RendererBackend>
  stage时可以不传
- destroyTextures: boolean = false
  是否销毁材质的贴图，默认不销毁
Returns this
this
Overrides Node.destroy
- Defined in particle/ParticleSystem.ts:1006

emit

emit(count: number, emitter?: string): this
Queue deterministic manual emission on the first or named emitter.
Parameters
- count: number
- Optionalemitter: string
Returns this
- Defined in particle/ParticleSystem.ts:543
emit(command: Readonly<ParticleSystemEmitCommand>): this
Queue deterministic manual emission on the first or named emitter.
Parameters
- command: Readonly<ParticleSystemEmitCommand>
Returns this
- Defined in particle/ParticleSystem.ts:544

fire

fire(typeOrEvent?: string | DispatchEvent, detail?: unknown): boolean
Parameters
- OptionaltypeOrEvent: string | DispatchEvent
- Optionaldetail: unknown
Returns boolean
Inherited from Node.fire
- Defined in core/EventDispatcher.ts:79

getBounds

getBounds(
    parent?: Node,
    currentMatrix?: Matrix4,
    bounds?: Bounds,
): Bounds | undefined
获取元素的包围盒信息
Parameters
- Optionalparent: Node
  元素相对于哪个祖先元素的包围盒，不传表示世界
- OptionalcurrentMatrix: Matrix4
  当前计算的矩阵
- Optionalbounds: Bounds
  当前计算的包围盒信息
Returns Bounds | undefined
返回计算的包围盒信息
Inherited from Node.getBounds
- Defined in core/Node.ts:1025

getChildByFn

getChildByFn(fn: NodeGetChildByCallback): Node | null
根据函数来获取一个子孙元素
Parameters
- fn: NodeGetChildByCallback
  判读函数
Returns Node | null
返回获取到的子孙元素
Inherited from Node.getChildByFn
- Defined in core/Node.ts:624

getChildByFnBFS

getChildByFnBFS(fn: NodeGetChildByCallback): Node | null
根据函数来获取一个子孙元素(广度优先)
Parameters
- fn: NodeGetChildByCallback
  判读函数
Returns Node | null
返回获取到的子孙元素
Inherited from Node.getChildByFnBFS
- Defined in core/Node.ts:554

getChildById

getChildById(id: string): Node | null
获取指定id的子孙元素
Parameters
- id: string
  元素id
Returns Node | null
获取的元素
Inherited from Node.getChildById
- Defined in core/Node.ts:670

getChildByName

getChildByName(name: string): Node | null
获取指定name的首个子孙元素
Parameters
- name: string
  元素name
Returns Node | null
获取的元素
Inherited from Node.getChildByName
- Defined in core/Node.ts:654

getChildByNamePath

getChildByNamePath(path: string[]): Node | null
根据 name path 来获取子孙元素
Parameters
- path: string[]
  名字数组, e.g., getChildByNamePath(['a', 'b', 'c'])
Returns Node | null
返回获取到的子孙元素
Inherited from Node.getChildByNamePath
- Defined in core/Node.ts:570

getChildrenByBaseClassName

getChildrenByBaseClassName(className: string): Node[]
获取指定基类名的所有子孙元素
Parameters
- className: string
  类名
Returns Node[]
获取的元素数组
Inherited from Node.getChildrenByBaseClassName
- Defined in core/Node.ts:686

getChildrenByClassName

getChildrenByClassName(className: string): Node[]
获取指定类名的所有子孙元素
Parameters
- className: string
  类名
Returns Node[]
获取的元素数组
Inherited from Node.getChildrenByClassName
- Defined in core/Node.ts:678

getChildrenByFn

getChildrenByFn(fn: NodeGetChildByCallback): Node[]
根据函数来获取匹配的所有子孙元素
Parameters
- fn: NodeGetChildByCallback
  判读函数
Returns Node[]
返回获取到的子孙元素
Inherited from Node.getChildrenByFn
- Defined in core/Node.ts:640

getChildrenByName

getChildrenByName(name: string): Node[]
获取指定name的所有子孙元素
Parameters
- name: string
  元素name
Returns Node[]
获取的元素数组
Inherited from Node.getChildrenByName
- Defined in core/Node.ts:662

getChildrenNameMap

getChildrenNameMap(): Record<string, Node>
将所以子孙元素放到一个对象中，对象key为元素的name，value为该元素

Returns Record<string, Node>
返回获取的对象
Inherited from Node.getChildrenNameMap
- Defined in core/Node.ts:337

getConcatenatedMatrix

getConcatenatedMatrix(ancestor?: Node): Matrix4
获取当前元素相对于指定元素的矩阵
Parameters
- Optionalancestor: Node
  相对于的元素，需要是当前元素的祖先元素，不传表示获取世界矩阵
Returns Matrix4
返回获取的矩阵
Inherited from Node.getConcatenatedMatrix
- Defined in core/Node.ts:475

invalidateTransformHistory

invalidateTransformHistory(): this
Reset this node's previous-frame transform on its next submitted render.

Call this after a discontinuous teleport, origin shift, camera cut, or animation reset so temporal effects receive previous === current instead of a false motion vector.

Returns this
this
Inherited from Node.invalidateTransformHistory
- Defined in core/Node.ts:401

lookAt

lookAt(node: { x: number; y: number; z: number }): this
改变元素的朝向
Parameters
- node: { x: number; y: number; z: number }
  需要朝向的元素，或者坐标
Returns this
this
Inherited from Node.lookAt
- Defined in core/Node.ts:738

off

off(type?: string, listener?: EventListener<DispatchEvent>): this
Parameters
- Optionaltype: string
- Optionallistener: EventListener<DispatchEvent>
Returns this
Inherited from Node.off
- Defined in core/EventDispatcher.ts:60

on

on(type: string, listener: EventListener, once?: boolean): this
Parameters
- type: string
- listener: EventListener
- once: boolean = false
Returns this
Inherited from Node.on
- Defined in core/EventDispatcher.ts:48

pause

pause(): this
Returns this
- Defined in particle/ParticleSystem.ts:451

play

play(): this
Returns this
- Defined in particle/ParticleSystem.ts:446

raycast

raycast(
    ray: Ray,
    sort?: boolean,
    eventMode?: boolean,
): Vector3[] | NodeRaycastInfo[] | null
raycast
Parameters
- ray: Ray
- sort: boolean = false
  是否按距离排序
- eventMode: boolean = false
  是否事件模式
Returns Vector3[] | NodeRaycastInfo[] | null
Inherited from Node.raycast
- Defined in core/Node.ts:753

readEvents

readEvents(maxEvents?: number): Promise<ParticleEventAggregate>
Materialize at most maxEvents from compact CPU event buffers on an async boundary.
Parameters
- maxEvents: number = ...
Returns Promise<ParticleEventAggregate>
- Defined in particle/ParticleSystem.ts:582

removeChild

removeChild(child: Node): this
移除指定的子元素
Parameters
- child: Node
  需要移除的元素
Returns this
this
Inherited from Node.removeChild
- Defined in core/Node.ts:367

removeFromParent

removeFromParent(): this
将当前元素从其父元素中移除

Returns this
this
Inherited from Node.removeFromParent
- Defined in core/Node.ts:388

resetSkinnedMeshRootNode

resetSkinnedMeshRootNode(): void
重置子孙元素中 SkinnedMesh 的根节点为当前元素

Returns void
Inherited from Node.resetSkinnedMeshRootNode
- Defined in core/Node.ts:326

restart

restart(): this
Returns this
- Defined in particle/ParticleSystem.ts:475

restoreSimulation

restoreSimulation(cache: ParticleSimulationCache): this
Restore a compatible checkpoint and make its simulation state current.
Parameters
- cache: ParticleSimulationCache
Returns this
- Defined in particle/ParticleSystem.ts:842

sendEvent

sendEvent(name: string, payload?: unknown): this
Dispatch a named gameplay event without admitting arbitrary simulation callbacks.
Parameters
- name: string
- Optionalpayload: unknown
Returns this
- Defined in particle/ParticleSystem.ts:573

setAnim

setAnim(anim: Animation): this
设置节点的动画，这个需要是模型的根节点
Parameters
- anim: Animation
  动画实例
Returns this
this
Inherited from Node.setAnim
- Defined in core/Node.ts:318

setPivot

setPivot(x: number, y: number, z: number): this
设置中心点
Parameters
- x: number
  中心点x
- y: number
  中心点y
- z: number
  中心点z
Returns this
this
Inherited from Node.setPivot
- Defined in core/Node.ts:729

setPosition

setPosition(x: number, y: number, z: number): this
设置元素的位置
Parameters
- x: number
  X方向位置
- y: number
  Y方向位置
- z: number
  Z方向位置
Returns this
this
Inherited from Node.setPosition
- Defined in core/Node.ts:707

setRotation

setRotation(x: number, y: number, z: number): this
设置元素的旋转
Parameters
- x: number
  X轴旋转角度, 角度制
- y: number
  Y轴旋转角度, 角度制
- z: number
  Z轴旋转角度, 角度制
Returns this
this
Inherited from Node.setRotation
- Defined in core/Node.ts:718

setScale

setScale(x: number, y?: number, z?: number): this
设置元素的缩放比例，如果只有一个参数三个轴等比缩放
Parameters
- x: number
  X缩放比例
- y: number = x
  Y缩放比例
- z: number = y
  Z缩放比例
Returns this
this
Inherited from Node.setScale
- Defined in core/Node.ts:696

simulate

simulate(
seconds: number,
options?: Readonly<ParticleSystemSimulateOptions>,
): this
Advance explicitly in seconds even when playback is paused.
Parameters
- seconds: number
- options: Readonly<ParticleSystemSimulateOptions> = {}
Returns this
- Defined in particle/ParticleSystem.ts:531

stateHash

stateHash(emitter?: string): string
Deterministic dense-state hash for replay and regression tests.
Parameters
- Optionalemitter: string
Returns string
- Defined in particle/ParticleSystem.ts:601

stop

stop(): this
Returns this
- Defined in particle/ParticleSystem.ts:456

traverse

traverse(callback: NodeTraverseCallback, onlyChild?: boolean): this
遍历当前元素的子孙元素
Parameters
- callback: NodeTraverseCallback
  每个元素都会调用这个函数处理
- onlyChild: boolean = false
  是否只遍历子元素
Returns this
this
Inherited from Node.traverse
- Defined in core/Node.ts:514

traverseBFS

traverseBFS(callback: NodeTraverseCallback, onlyChild?: boolean): this
遍历当前元素的子孙元素(广度优先)
Parameters
- callback: NodeTraverseCallback
  每个元素都会调用这个函数处理
- onlyChild: boolean = false
  是否只遍历子元素
Returns this
this
Inherited from Node.traverseBFS
- Defined in core/Node.ts:524

traverseUpdate

traverseUpdate(dt: number): this
遍历调用子孙元素onUpdate方法
Parameters
- dt: number
Returns this
this
Inherited from Node.traverseUpdate
- Defined in core/Node.ts:591

update

update(deltaTimeMilliseconds: number): void
Per-node update hook called by traverseUpdate() before onUpdate.

Subclasses use this hook for built-in behavior such as sprite animation without consuming the application-owned onUpdate callback. Subclass constructors must call enableUpdateHook() to opt into the traversal hot path.
Parameters
- deltaTimeMilliseconds: number
Returns void
Overrides Node.update
- Defined in particle/ParticleSystem.ts:962

updateMatrix

updateMatrix(): this
更新本地矩阵

Returns this
this
Inherited from Node.updateMatrix
- Defined in core/Node.ts:409

updateMatrixWorld

updateMatrixWorld(force?: boolean): this
更新世界矩阵
Parameters
- Optionalforce: boolean
  是否强制更新
Returns this
this
Inherited from Node.updateMatrixWorld
- Defined in core/Node.ts:449

updateQuaternion

updateQuaternion(): this
更新四元数

Returns this
this
Inherited from Node.updateQuaternion
- Defined in core/Node.ts:427

updateTransform

updateTransform(): this
更新transform属性

Returns this
this
Inherited from Node.updateTransform
- Defined in core/Node.ts:438

Class ParticleSystem

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns ParticleSystem

Properties

__forceUseParentWorldMatrix

_listeners

_matrixDirty

Optional_originName

_quatDirty

anim

animationId

autoUpdateChildWorldMatrix

autoUpdateWorldMatrix

ReadonlybudgetId

ReadonlybudgetPriority

children

className

ReadonlycompiledPlan

Readonlydefinition

id

isCamera

isMesh

isNode

isSkinnedMesh

jointName

layer

matrixVersion

name

needCallChildUpdate

onlySyncQuaternion

onUpdate

Readonlyparameters

parent

pointerChildren

pointerEnabled

Readonlyseed

up

useHandCursor

userData

visible

worldMatrix

worldMatrixVersion

Static ReadonlyTRAVERSE_STOP_ALL

Static ReadonlyTRAVERSE_STOP_CHILDREN

Static ReadonlyTRAVERSE_STOP_NONE

Static ReadonlytypeName

Accessors

aliveCount

Returns number

completed

Returns boolean

elapsedSeconds

Returns number

eventDiagnostics

Returns Readonly<{ droppedCount: number; pendingCount: number }>

matrix

Returns Matrix4Notifier

pivot

Returns Vector3Notifier

pivotX

Returns number

Parameters

Returns void

pivotY

Returns number

Parameters

Returns void

pivotZ

Returns number

Parameters

Returns void

playing

`Optional`_originName

`Readonly`budgetId

`Readonly`budgetPriority

`Readonly`compiledPlan

`Readonly`definition

`Readonly`parameters

`Readonly`seed

`Static` `Readonly`TRAVERSE_STOP_ALL

`Static` `Readonly`TRAVERSE_STOP_CHILDREN

`Static` `Readonly`TRAVERSE_STOP_NONE

`Static` `Readonly`typeName