2022-03-03 18:08:32 +08:00
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# 资源加载
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在加载资源对象的时候只需要提供相对路径，统一约定该相对路径名称为：location
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资源加载接口：
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- YooAssets.LoadAssetSync() 同步加载资源对象接口
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- YooAssets.LoadSubAssetsSync() 同步加载子资源对象接口
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- YooAssets.LoadAssetAsync() 异步加载资源对象接口
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- YooAssets.LoadSubAssetsAsync() 异步加载子资源对象接口
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- YooAssets.LoadSceneAsync() 异步加载场景接口
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**加载路径的匹配方式**
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````C#
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// 不带扩展名的模糊匹配
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YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic");
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// 带扩展名的精准匹配
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YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic.mp3");
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````
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**异步加载范例**
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````C#
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// 委托加载方式
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void Start()
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{
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AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic.mp3");
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handle.Completed += Handle_Completed;
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}
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void Handle_Completed(AssetOperationHandle handle)
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{
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AudioClip audioClip = handle.AssetObject as AudioClip;
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}
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````
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````C#
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// 协程加载方式
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void Start()
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{
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this.StartCoroutine(AsyncLoad());
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}
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IEnumerator AsyncLoad()
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{
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AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic.mp3");
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yield return handle;
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AudioClip audioClip = handle.AssetObject as AudioClip;
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}
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````
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````C#
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// Task加载方式
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async void Start()
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{
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await AsyncLoad();
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}
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async Task AsyncLoad()
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{
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AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic.mp3");
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await handle.Task;
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2022-03-03 18:40:58 +08:00
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AudioClip audioClip = handle.AssetObject as AudioClip;
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2022-03-03 18:08:32 +08:00
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}
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````
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**资源卸载范例**
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````C#
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void Start()
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{
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AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("Audio/bgMusic.mp3");
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...
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handle.Release();
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}
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````
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**预制体同步加载范例**
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````C#
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var handle = YooAssets.LoadAssetSync<GameObject>(location);
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GameObject go = handle.InstantiateObject;
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````
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````c#
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var handle = YooAssets.LoadAssetSync<GameObject>(location);
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GameObject go = UnityEngine.Object.Instantiate(handle.AssetObject as GameObject);
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````
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**子对象同步加载范例**
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例如：通过TexturePacker创建的图集，如果需要访问图集的精灵对象，可以通过子对象加载接口。
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````c#
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var handle = YooAssets.LoadSubAssetsSync<Sprite>(location);
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foreach (var asset in handle.AllAssets)
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{
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Debug.Log($"Sprite name is {asset.name}");
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}
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````
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**场景异步加载范例**
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````c#
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void Start()
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{
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// 场景加载参数
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SceneInstanceParam param = new SceneInstanceParam();
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param.LoadMode = UnityEngine.SceneManagement.LoadSceneMode.Single;
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param.ActivateOnLoad = true;
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AssetOperationHandle handle = YooAssets.LoadSceneAsync("Scene/Login", param);
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handle.Completed += Handle_Completed;
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}
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void Handle_Completed(AssetOperationHandle handle)
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{
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SceneInstance instance = handle.AssetInstance as SceneInstance;
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Debug.Log(instance.Scene.name);
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}
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````
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