Update samples

Assets/Samples~/BasicSample/Script/Runtime/Game2Scene.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.U2D;
+using UnityEngine.UI;
+using YooAsset;
+
+public class Game2Scene : MonoBehaviour
+{
+	public GameObject CanvasRoot;
+	private readonly List<AssetOperationHandle> _cachedAssetOperationHandles = new List<AssetOperationHandle>(1000);
+	private SceneOperationHandle _subSceneHandle = null;
+
+	void Start()
+	{
+		YooAssets.UnloadUnusedAssets();
+
+		// 初始化窗口
+		InitWindow();
+
+		// 异步加载背景音乐
+		StartCoroutine(AsyncLoadMusic());
+	}
+	void OnDestroy()
+	{
+		foreach (var handle in _cachedAssetOperationHandles)
+		{
+			handle.Release();
+		}
+		_cachedAssetOperationHandles.Clear();
+	}
+	void OnGUI()
+	{
+		GUIConsole.OnGUI();
+	}
+
+	void InitWindow()
+	{
+		// 同步加载背景图片
+#if UNITY_WEBGL
+		{
+			var rawImage = CanvasRoot.transform.Find("background").GetComponent<RawImage>();
+			AssetOperationHandle handle = YooAssets.LoadAssetAsync<Texture>("Texture/bg");
+			_cachedAssetOperationHandles.Add(handle);
+			handle.Completed += (AssetOperationHandle obj) =>
+			{
+				rawImage.texture = handle.AssetObject as Texture;
+			};
+		}
+#else
+		{
+			var rawImage = CanvasRoot.transform.Find("background").GetComponent<RawImage>();
+			AssetOperationHandle handle = YooAssets.LoadAssetSync<Texture>("Texture/bg");
+			_cachedAssetOperationHandles.Add(handle);
+			rawImage.texture = handle.AssetObject as Texture;
+		}
+#endif
+
+		// 异步加载主场景
+		{
+			var btn = CanvasRoot.transform.Find("load_scene").GetComponent<Button>();
+			btn.onClick.AddListener(() =>
+			{
+				YooAssets.LoadSceneAsync("Scene/Game1");
+			});
+		}
+
+		// 异步加载子场景
+		{
+			var btn = CanvasRoot.transform.Find("subSceneLoadBtn").GetComponent<Button>();
+			btn.onClick.AddListener(() =>
+			{
+				_subSceneHandle = YooAssets.LoadSceneAsync("Scene/SubScene", UnityEngine.SceneManagement.LoadSceneMode.Additive);
+			});
+		}
+
+		// 异步卸载子场景
+		{
+			var btn = CanvasRoot.transform.Find("subSceneUnloadBtn").GetComponent<Button>();
+			btn.onClick.AddListener(() =>
+			{
+				if(_subSceneHandle != null)
+				{
+					_subSceneHandle.UnloadAsync();
+					_subSceneHandle = null;
+				}				
+			});
+		}
+	}
+
+	/// <summary>
+	/// 异步加载背景音乐
+	/// </summary>
+	IEnumerator AsyncLoadMusic()
+	{
+		// 加载背景音乐
+		{
+			var audioSource = CanvasRoot.transform.Find("music").GetComponent<AudioSource>();
+			AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("Music/town");
+			_cachedAssetOperationHandles.Add(handle);
+			yield return handle;
+			audioSource.clip = handle.AssetObject as AudioClip;
+			audioSource.Play();
+		}
+	}
+}