在任何 Sprite 绑定到 SpriteAtlas 但无法在运行时找到图集资源时触发。
这通常意味着精灵被打包到了一个未包含在编译版本中的图集内
此回调不期望用户的立即响应。相反,它传递一个 System.Action。用户可以在日后加载图集对象,并使用此 System.Action 传回加载后的图集。
using UnityEngine; using UnityEngine.U2D;
public class AtlasLoader : MonoBehaviour { void OnEnable() { SpriteAtlasManager.atlasRequested += RequestAtlas; }
void OnDisable() { SpriteAtlasManager.atlasRequested -= RequestAtlas; }
void RequestAtlas(string tag, System.Action<SpriteAtlas> callback) { var sa = Resources.Load<SpriteAtlas>(tag); callback(sa); } }
另请参阅:U2D.SpriteAtlasManager.RequestAtlasCallback。
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