简介
解决某些对象频繁创建或销毁造成的时间资源消耗
实例
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_ObjectPools {
private static Test_ObjectPools _instances;
public static Test_ObjectPools GetInstances()
{
if (_instances==null)
{
_instances = new Test_ObjectPools();
}
return _instances;
}
//构造函数
Dictionary<int, List<GameObject>> pools;
public Test_ObjectPools()
{
pools = new Dictionary<int, List<GameObject>>();
}
public void PushIntoPool(GameObject obj,Transform parent)
{
obj.SetActive(false);
obj.transform.SetParent(parent);
int key = obj.GetInstanceID();
if (!pools.ContainsKey(key))
{
pools.Add(key, new List<GameObject>());
}
pools[key].Add(obj);
}
public GameObject PushOutPool(GameObject obj,Vector3 pos, Quaternion rot)
{
int key = obj.GetInstanceID();
if (pools.ContainsKey(key))
{
if (pools[key].Count>0)
{
GameObject result = pools[key][0];
result.SetActive(true);
pools[key].Remove(result);
result.transform.position = pos;
result.transform.rotation = rot;
return result;
}
}
GameObject res = GameObject.Instantiate(obj, pos, rot) as GameObject;
res.name = obj.GetInstanceID().ToString();
return res;
}
}
参考
https://www.jianshu.com/p/090d928e7bbb
