类 MgWebAudioChannel

En

The SoundChannel class is used to control sounds in the program. Each sound is assigned to a channel, and an application can have multiple channels mixed together. The SoundChannel class contains methods for controlling sound playback, pause, stop, volume, as well as methods for getting information about the sound's playback status, total time, current playback time, total loop count, and playback address.

Zh

SoundChannel 用来控制程序中的声音。每个声音均分配给一个声道，而且应用程序可以具有混合在一起的多个声道。 SoundChannel 类包含控制声音的播放、暂停、停止、音量的方法，以及获取声音的播放状态、总时间、当前播放时间、总循环次数、播放地址等信息的方法。

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构造函数

constructor

属性

completeHandler loops playbackRate startTime url

访问器

duration isStopped muted paused position volume

方法

event hasListener off offAll offAllCaller on once pause play resume stop

构造函数

constructor

属性

completeHandler

completeHandler: Handler | ((success: boolean) => void)

En

The handler for playback completion.

Zh

播放完成处理器。

loops

loops: number

En

The number of loops. Zero indicates an infinite loop.

Zh

循环次数。零表示无限循环。

playbackRate

playbackRate: number = 1

En

Sound playback rate. default value is 1.

Zh

声音播放速率。默认值为1。

startTime

startTime: number

En

The start time of sound playback. In seconds.

Zh

播放声音开始时间。以秒为单位。

只读url

url: string

En

The URL of the sound.

Zh

声音地址。

访问器

duration

isStopped

muted

  • get muted(): boolean

  • 返回 boolean

    En

    Indicates whether the mute switch is turned on. Note that this property is controlled by the SoundManager's mute switch, so it is generally not recommended to set this value directly.

    Zh

    表示静音开关是否已打开。请注意，这个属性受SoundManager的静音开关控制，因此一般不要直接设置这个值。

  • set muted(value): void

  • 参数

    • value: boolean

    返回 void

paused

position

volume

方法

event

  • event(type, data?): boolean

  • 参数

    • type: string

      The type of event.

    • 可选data: any

      (Optional) Data to pass to the callback. If multiple parameters p1, p2, p3, ... need to be passed, use an array structure such as [p1, p2, p3, ...]. If a single parameter p needs to be passed and p is an array, use a structure such as [p]. For other single parameters p, you can directly pass parameter p. If data is Event.EMPTY, it means passing an Event object to the callback function. Note that it is not passing Event.TEMP, but an independent Event object.

    返回 boolean

    True if there are listeners for this event type, false otherwise.

    En

    Dispatch an event.

    Zh

    派发事件。

hasListener

  • hasListener(type): boolean

  • 参数

    • type: string

      The type of event.

    返回 boolean

    True if a listener of the specified type is registered, false otherwise.

    En

    Check if the EventDispatcher object has any listeners registered for a specific type of event.

    Zh

    检查 EventDispatcher 对象是否为特定事件类型注册了任何侦听器。

off

offAll

offAllCaller

on

  • on(type, listener): EventDispatcher

  • 参数

    • type: string

      The type of event.

    • listener: Function

      The listener function.

    返回 EventDispatcher

    This EventDispatcher object.

    En

    Register an event listener object with the EventDispatcher object so that the listener receives event notifications.

    Zh

    使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知。

  • on(type, caller, listener, args?): EventDispatcher

  • 参数

    • type: string

      The type of event.

    • caller: any

      The execution scope of the event listener function.

    • listener: Function

      The listener function.

    • 可选args: any[]

      (Optional) The callback parameters of the event listener function.

    返回 EventDispatcher

    This EventDispatcher object.

    En

    Register an event listener object with the EventDispatcher object so that the listener receives event notifications.

    Zh

    使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知。

once

  • once(type, listener): EventDispatcher

  • 参数

    • type: string

      The type of event.

    • listener: Function

      The listener function.

    返回 EventDispatcher

    This EventDispatcher object.

    En

    Register an event listener object with the EventDispatcher object so that the listener receives event notifications. This event listener responds once and is automatically removed after the first call.

    Zh

    使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知，此侦听事件响应一次后自动移除。

  • once(type, caller, listener, args?): EventDispatcher

  • 参数

    • type: string

      The type of event.

    • caller: any

      The execution scope of the event listener function.

    • listener: Function

      The listener function.

    • 可选args: any[]

      (Optional) The callback parameters of the event listener function.

    返回 EventDispatcher

    This EventDispatcher object.

    En

    Register an event listener object with the EventDispatcher object so that the listener receives event notifications. This event listener responds once and is automatically removed after the first call.

    Zh

    使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知，此侦听事件响应一次后自动移除。

pause

play

resume

stop

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构造函数
属性
访问器
方法