Unity C# 脚本的单例

 1 public class UnitySigleton <T>: MonoBehaviour where T:class
 2 {
 3     public static T instance;
 4 
 5     protected virtual void Awake(){
 6         if (instance != null) {
 7             DestroyImmediate (this);
 8             return;
 9         } else
10             instance = this as T;
11     }
12 
13     protected virtual void OnDistroy(){
14         T t = this as T;
15         if (this == t) {
16             instance = null;
17         }
18     }
19 }