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Class TerrainAsset

terrain asset

Hierarchy

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Properties

Protected _blockCount

_blockCount: number[] = [1, 1]

Protected _data

_data: Uint8Array | null = null

Protected _heights

_heights: Uint16Array = new Uint16Array()

Protected _layerBuffer

_layerBuffer: number[] = [-1, -1, -1, -1]

Protected _layerInfos

_layerInfos: TerrainLayerInfo[] = []

Protected _lightMapSize

_lightMapSize: number = 128

Protected _name

_name: string

_native

_native: string = ""

Serializable url for native asset. For internal usage.

default

""

_objFlags

_objFlags: number

Protected _tileSize

_tileSize: number = 1

_uuid

_uuid: string

内部使用。

Protected _weightMapSize

_weightMapSize: number = 128

Protected _weights

_weights: Uint8Array = new Uint8Array()

loaded

loaded: boolean = true

Whether the asset is loaded or not

Static preventDeferredLoadDependents

preventDeferredLoadDependents: boolean = false

Indicates whether its dependent raw assets can support deferred load if the owner scene (or prefab) is marked as asyncLoadAssets.

default

false

Static preventPreloadNativeObject

preventPreloadNativeObject: boolean = false

Indicates whether its native object should be preloaded from native url.

default

false

Accessors

nativeAsset

  • get nativeAsset(): ArrayBuffer
  • set nativeAsset(value: ArrayBuffer): void

blockCount

  • get blockCount(): number[]
  • set blockCount(value: number[]): void

heights

  • get heights(): Uint16Array
  • set heights(value: Uint16Array): void

isValid

  • get isValid(): boolean

  • Indicates whether the object is not yet destroyed. (It will not be available after being destroyed)
    When an object's destroy is called, it is actually destroyed after the end of this frame. So isValid will return false from the next frame, while isValid in the current frame will still be true. If you want to determine whether the current frame has called destroy, use isValid(obj, true), but this is often caused by a particular logical requirements, which is not normally required.

    default

    true

    readonly
    example
    import { Node, log } from 'cc';
const node = new Node();
log(node.isValid);    // true
node.destroy();
log(node.isValid);    // true, still valid in this frame
// after a frame...
log(node.isValid);    // false, destroyed in the end of last frame

    Returns boolean

layerBuffer

  • get layerBuffer(): number[]
  • set layerBuffer(value: number[]): void

layerInfos

lightMapSize

  • get lightMapSize(): number
  • set lightMapSize(value: number): void

name

  • get name(): string
  • set name(value: string): void

nativeUrl

  • get nativeUrl(): string

tileSize

  • get tileSize(): number
  • set tileSize(value: number): void

weightMapSize

  • get weightMapSize(): number
  • set weightMapSize(value: number): void

weights

  • get weights(): Uint8Array
  • set weights(value: Uint8Array): void

Methods

destroyImmediate

  • _destroyImmediate(): void

destruct

  • _destruct(): void

  • Clear all references in the instance.

    NOTE: this method will not clear the getter or setter functions which defined in the instance of CCObject. You can override the _destruct method if you need, for example: _destruct: function () { for (var key in this) { if (this.hasOwnProperty(key)) { switch (typeof this[key]) { case 'string': this[key] = ''; break; case 'object': case 'function': this[key] = null; break; } } }

    Returns void

exportDefaultNativeData

  • _exportDefaultNativeData(): Uint8Array

exportNativeData

  • _exportNativeData(): Uint8Array

loadNativeData

  • loadNativeData(_nativeData: Uint8Array): boolean

setNativeData

  • setNativeData(_nativeData: Uint8Array): void

Private setRawAsset

  • setRawAsset(filename: string, inLibrary?: boolean): void

Optional createNode

destroy

  • destroy(): boolean

  • Destroy this Object, and release all its own references to other objects.
    Actual object destruction will delayed until before rendering. From the next frame, this object is not usable any more. You can use isValid(obj) to check whether the object is destroyed before accessing it.

    example
    obj.destroy();

    Returns boolean

    whether it is the first time the destroy being called

emit

  • emit(type: EventType, arg0?: any, arg1?: any, arg2?: any, arg3?: any, arg4?: any): void

  • Trigger an event directly with the event name and necessary arguments.

    Parameters

    • type: EventType

      event type

    • Optional arg0: any
    • Optional arg1: any
    • Optional arg2: any
    • Optional arg3: any
    • Optional arg4: any

    Returns void

getHeight

  • getHeight(i: number, j: number): number

getLayer

  • getLayer(xBlock: number, yBlock: number, layerId: number): number

getVertexCountI

  • getVertexCountI(): number

getVertexCountJ

  • getVertexCountJ(): number

hasEventListener

  • hasEventListener(type: string, callback?: Function, target?: undefined | object): boolean

  • Checks whether there is correspond event listener registered on the given event.

    Parameters

    • type: string

      Event type.

    • Optional callback: Function

      Callback function when event triggered.

    • Optional target: undefined | object

      Callback callee.

    Returns boolean

off

  • Removes the listeners previously registered with the same type, callback, target and or useCapture, if only type is passed as parameter, all listeners registered with that type will be removed.

    example

    import { log } from 'cc'; // register fire eventListener var callback = eventTarget.on('fire', function () { log("fire in the hole"); }, target); // remove fire event listener eventTarget.off('fire', callback, target); // remove all fire event listeners eventTarget.off('fire');

    Type parameters

    • TFunction: Function

    Parameters

    • type: EventType

      A string representing the event type being removed.

    • Optional callback: TFunction

      The callback to remove.

    • Optional thisArg: any

    Returns void

on

  • on<TFunction>(type: EventType, callback: TFunction, thisArg?: any, once?: undefined | false | true): typeof callback

  • Register an callback of a specific event type on the EventTarget. This type of event should be triggered via emit.

    example

    import { log } from 'cc'; eventTarget.on('fire', function () { log("fire in the hole"); }, node);

    Type parameters

    • TFunction: Function

    Parameters

    • type: EventType

      A string representing the event type to listen for.

    • callback: TFunction

      The callback that will be invoked when the event is dispatched. The callback is ignored if it is a duplicate (the callbacks are unique).

    • Optional thisArg: any

      The target (this object) to invoke the callback, can be null

    • Optional once: undefined | false | true

    Returns typeof callback

    • Just returns the incoming callback so you can save the anonymous function easier.

once

  • once<TFunction>(type: EventType, callback: TFunction, thisArg?: any): typeof callback

  • Register an callback of a specific event type on the EventTarget, the callback will remove itself after the first time it is triggered.

    example

    import { log } from 'cc'; eventTarget.once('fire', function () { log("this is the callback and will be invoked only once"); }, node);

    Type parameters

    • TFunction: Function

    Parameters

    • type: EventType

      A string representing the event type to listen for.

    • callback: TFunction

      The callback that will be invoked when the event is dispatched. The callback is ignored if it is a duplicate (the callbacks are unique).

    • Optional thisArg: any

    Returns typeof callback

removeAll

  • removeAll(typeOrTarget: string | object): void

  • Removes all callbacks registered in a certain event type or all callbacks registered with a certain target

    Parameters

    • typeOrTarget: string | object

      The event type or target with which the listeners will be removed

    Returns void

Private serialize

  • serialize(): void

targetOff

  • targetOff(typeOrTarget: string | object): void

  • Removes all callbacks previously registered with the same target (passed as parameter). This is not for removing all listeners in the current event target, and this is not for removing all listeners the target parameter have registered. It's only for removing all listeners (callback and target couple) registered on the current event target by the target parameter.

    Parameters

    • typeOrTarget: string | object

      The target to be searched for all related listeners

    Returns void

toString

  • toString(): string

  • Returns the string representation of the object.
    The Asset object overrides the toString() method of the Object object.
    JavaScript calls the toString() method automatically
    when an asset is to be represented as a text value or when a texture is referred to in a string concatenation.

    For assets of the native type, it will return this.nativeUrl.
    Otherwise, an empty string is returned.
    This method may be overwritten by subclasses.

    method

    toString

    Returns string

Static deferredDestroy

  • _deferredDestroy(): void

Static deserialize

  • deserialize(data: any): any

Static isRawAssetType

  • isRawAssetType(ctor: Function): boolean

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