Singleton

일반형 Singleton

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class MySingleton {     private static MySingleton instance;       //     private MySingleton()     {       }       static MySingleton()     {         instance = new MySingleton();     }       public static MySingleton Instance     {         get         {             return instance;         }     } };

Component용 Singleton

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using UnityEngine; using System.Collections;   public class MySingleton : MonoBehaviour {       private static MySingleton instance;           //     private MySingleton()     {     }           //     public static MySingleton Instance     {         get         {             if (instance == null)             {                 instance =  FindObjectOfType(typeof (MySingleton)) as MySingleton;                               if (instance == null)                 {                     GameObject obj = new GameObject("MySingleton");                     instance = obj.AddComponent(typeof (MySingleton)) as MySingleton;                     Debug.Log ("Could not locate an MySingleton object. MySingleton was Generated Automaticly.");                 }             }                return instance;         }     }           void Awake()     {         DontDestroyOnLoad(this);     }           void OnApplicationQuit()     {         instance = null;     } }

제네릭 버전

일반형 Singleton

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public class  Singleton<T> where T : class, new() {     private static T instance;               static Singleton()     {         instance = new T();     }           public static T Instance     {         get         {             return instance;         }     } };

Component용 Singleton

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using UnityEngine; using System.Collections;    public abstract class MonoSingleton<T> : MonoBehaviour where T : MonoSingleton<T> {     private static T instance;           //     public static T Instance     {         get         {             if (instance == null)             {                 instance =  FindObjectOfType(typeof(T)) as T;                               if (instance == null)                 {                     GameObject obj = new GameObject(typeof (T).ToString());                     instance = obj.AddComponent(typeof (T)) as T;                     instance.Init();                               Debug.Log ("Could not locate an " + typeof (T).ToString() +" object. " + typeof (T).ToString() + " was Generated Automaticly.");                 }             }                       return instance;         }     }            void Awake()     {         if (instance == null)         {             instance = this as T;             instance.Init();         }                   DontDestroyOnLoad(this);     }            void OnApplicationQuit()     {         instance = null;     }           public virtual void Init()     {               } }

출처 : http://antegg.com/wiki/doku.php?id=note:unity_3d:singleton