public class Singleton<T> : MonoBehaviour
where T : Singleton<T>
{
private static T instance;
public static T Instance
{
get
{
return instance;
}
}
public static bool IsInitialized
{
get
{
return instance !=
null;
}
}
protected virtual void Awake()
{
if (instance !=
null)
{
Debug.LogErrorFormat(
"Trying to instantiate a second instance of singleton class {0}", GetType().Name);
}
else
{
instance = (T)
this;
}
}
protected virtual void OnDestroy()
{
if (instance ==
this)
{
instance =
null;
}
}
}
如何使用
public class xxx: Singleton<xxx>
