1 using UnityEngine;
 2 using System.Collections;
 3 using System.Collections.Generic;
 4
 5 public class GameObjectPool : MonoBehaviour {
 6     //单例模式
 7     private static GameObjectPool instance;
 8
 9     public static GameObjectPool Instance
10     {
11         get { return GameObjectPool.instance; }
12         set { GameObjectPool.instance = value; }
13     }
14
15     private static Dictionary<string, ArrayList> pool = new Dictionary<string, ArrayList>{ };
16     // Use this for initialization
17     void Start ()
18     {
19         Instance = this;
20     }
21     public static Object Get(string prefabName, Vector3 position, Quaternion rotation)
22     {
23         string key = prefabName + "(Clone)";
24         Object o;
25        //池中存在，则从池中取出
26         if (pool.ContainsKey(key) && pool[key].Count>0)
27         {
28             ArrayList list=pool[key];
29             o=list[0] as Object;
30             list.Remove(o);
31             //重新初始化相关状态
32             (o as GameObject).SetActive(true);
33             (o as GameObject).transform.position = position;
34             (o as GameObject).transform.rotation = rotation;
35         }
36         //池中没有则实例化gameobejct
37         else
38         {
39             o = Instantiate(Resources.Load(prefabName),position,rotation);
40         }
41           return o;
42     }
43
44
45     public static Object Return(GameObject o)
46     {
47         string key = o.name;
48         if (pool.ContainsKey(key))
49         {
50             ArrayList list=pool[key];
51             list.Add(o);
52         }
53         else
54         {
55             pool[key] = new ArrayList(){ o};
56         }
57         o.SetActive(false);
58         return o;
59     }
60 }