AsyncOperation 异步操作

Inherits from YieldInstruction

Asynchronous operation coroutine.

异步操作协同程序。

You can yield until asynchronous operation continues, or manually check whether it's done (isDone) or progress (progress).

你可以yield直到异步操作继续，或手动检查它是完成的(isDone)或是进度中(progress)。

参见: Application.LoadLevelAsync, Application.LoadLevelAdditiveAsync, AssetBundle.LoadAsync.

Variables变量

• isDone
  Has the operation finished? (Read Only)
  有操作完成了吗？（只读）
• progress
  What's the operation's progress (Read Only)
  操作的进度是多少？（只读）
• priority
  Priority lets you tweak in which order async operation calls will be performed.
  优先权，让你调整异步操作调用将被执行的顺序。