AssetBundle异步Instantiate

功能介绍

同时Instance大量AssetBundle中的gameobjects，容易产生卡顿，影响用户游戏体验。对此我们提出了异步Instantiate，用户可以使用InstantiateAsync API 完成异步Instantiate工作，从而避免卡顿。使用InstantiateAsync API不会影响原始AssetBundle的工作流程，比如当你想场景中创建游戏对象，只需在AssetBundle加载完成之后，异步调用 InstantiateAsync API，不影响Assetbundle其余流程。

public class Example : MonoBehaviour
{

    AssetBundle myLoadedAssetBundle;

    void Start()
    {
        //load Assetbundle
        myLoadedAssetBundle = AssetBundle.LoadFromFile(Path.Combine(Application.streamingAssetsPath, "myassetBundle"));

    }

    void Update()
    {
        // Press the space key to start coroutine
        if (Input.GetKeyDown(KeyCode.Space))
        {
            if (myLoadedAssetBundle == null)
            {
                Debug.Log("Failed to load AssetBundle!");
                return;
            }
            // Use a coroutine to Instantiate in the background
            StartCoroutine(InstantiateAsyc());
        }

    }

    IEnumerator InstantiateAsyc()
    {
        yield return myLoadedAssetBundle.InstantiateAsync(myLoadedAssetBundle.GetAllAssetNames()[0]);

    }

}