对象池

using UnityEngine;using System.Collections;using System.Collections.Generic;public enum ObjectType//两种子弹的枚举{    cubeBullet,    sphereBullet,}public class MyPool : MonoBehaviour {    //定义单例，方便调用    private static MyPool poolInstance;    //生成对象预设体    public GameObject cubeBulletPrefab;    public GameObject sphereBulletPrefab;    //对象类型与预设体的映射关系    private Dictionary<ObjectType,GameObject> typeMatchPrefab=new Dictionary<ObjectType,GameObject>();    private Dictionary<ObjectType, List<GameObject>> pool = new Dictionary<ObjectType, List<GameObject>>();    public static MyPool PoolInstance    {        get { return MyPool.poolInstance; }            }void Start () {        poolInstance = this;        typeMatchPrefab.Add(ObjectType.cubeBullet,cubeBulletPrefab);        typeMatchPrefab.Add(ObjectType.sphereBullet,sphereBulletPrefab);}    public GameObject GetObjectInPool(ObjectType ot,Vector3 pos)    {         GameObject go;        //先判断池子中是否有该类型的小池子，并且小池子中是否有对象存在        if (pool.ContainsKey(ot) && pool[ot].Count > 0)        {            go = pool[ot][0];//取出池子中的第一个对象            pool[ot].RemoveAt(0);//池子中移除该对象            go.SetActive(true);//激活对象        }        //若没有该类型的小池子，或者小池子没有对象，则实例化一个游戏对象给它        else        {             go= GameObject.Instantiate(typeMatchPrefab[ot])as GameObject;        }        go.transform.position = pos;        return go;    }    public void PushPool(ObjectType ot,GameObject go)    {        //取消激活对象        go.SetActive(false);        //判断池子中是否有该子池子，没有则创建一个，放进去        if (pool.ContainsKey(ot))        {            pool[ot].Add(go);        }        else        {            pool[ot] = new List<GameObject> { go };        }    }}using UnityEngine;using System.Collections;public class MyFight : MonoBehaviour {    public Transform cubeBulletStartPos;    public Transform sphereBulletStartPos;    public float force = 15f;void Update () {        if (Input.GetMouseButtonDown(0))        {            GameObject go = MyPool.PoolInstance.GetObjectInPool(ObjectType.cubeBullet, cubeBulletStartPos.position);            go.GetComponent<Rigidbody>().AddForce(force * go.transform.forward);            StartCoroutine(DestroyObject(ObjectType.cubeBullet, go));        }        if (Input.GetMouseButtonDown(1))        {            GameObject go = MyPool.PoolInstance.GetObjectInPool(ObjectType.sphereBullet, sphereBulletStartPos.position);            go.GetComponent<Rigidbody>().AddForce(force * go.transform.forward);            StartCoroutine(DestroyObject(ObjectType.sphereBullet, go));        }}    public IEnumerator DestroyObject(ObjectType ot, GameObject go)    {        yield return new WaitForSeconds(1f);        go.GetComponent<Rigidbody>().velocity = Vector3.zero;        MyPool.PoolInstance.PushPool(ot, go);    }}