给单例模式加上更直观的一个示例

给单例模式加上更直观的一个示例

Author: QianMo

Assets/Creational Patterns/Singleton Pattern/Example2.meta

@@ -0,0 +1,57 @@
+//-------------------------------------------------------------------------------------
+//	SingletonPatternExample2.cs
+//-------------------------------------------------------------------------------------
+
+using UnityEngine;
+using System.Collections;
+
+namespace SingletonPatternExample2
+{
+ public class SingletonPatternExample2 : MonoBehaviour
+ {
+ void Start()
+ {
+ RenderManager.Instance.Show();
+ }
+
+ void Update()
+ {
+ if (Input.GetKeyDown(KeyCode.Alpha1))
+ {
+ RenderManager.Instance.Show();
+ }
+ }
+ }
+
+
+ /// <summary>
+ /// 某单例manager
+ /// </summary>
+ public class RenderManager
+ {
+ private static RenderManager instance;
+ public static RenderManager Instance
+ {
+ get
+ {
+ if (instance == null)
+ {
+ instance = new RenderManager();
+ }
+ return instance;
+ }
+ }
+
+ /// <summary>
+ /// 随便某方法
+ /// </summary>
+ public void Show()
+ {
+ Debug.Log("RenderManager is a Singleton !");
+ }
+ }
+
+
+
+
+}