using UnityEngine.Pool;
// This component returns the particle system to the pool when the OnParticleSystemStopped event is received.
[RequireComponent(typeof(ParticleSystem))]
publicclassReturnToPool : MonoBehaviour
{
public ParticleSystem system;
public IObjectPool<ParticleSystem> pool;
voidStart()
{
system = GetComponent<ParticleSystem>();
var main = system.main;
main.stopAction = ParticleSystemStopAction.Callback;
}
voidOnParticleSystemStopped()
{
// Return to the pool
pool.Release(system);
}
}
// This example spans a random number of ParticleSystems using a pool so that old systems can be reused.publicclassPoolExample : MonoBehaviour
{
publicenum PoolType
{
Stack,
LinkedList
}
public PoolType poolType;
// Collection checks will throw errors if we try to release an item that is already in the pool.publicbool collectionChecks = true;
publicint maxPoolSize = 10;
IObjectPool<ParticleSystem> m_Pool;
public IObjectPool<ParticleSystem> Pool
{
get
{
if (m_Pool == null)
{
if (poolType == PoolType.Stack)
m_Pool = new ObjectPool<ParticleSystem>(CreatePooledItem, OnTakeFromPool, OnReturnedToPool, OnDestroyPoolObject, collectionChecks, 10, maxPoolSize);
else
m_Pool = new LinkedPool<ParticleSystem>(CreatePooledItem, OnTakeFromPool, OnReturnedToPool, OnDestroyPoolObject, collectionChecks, maxPoolSize);
}
return m_Pool;
}
}
ParticleSystem CreatePooledItem()
{
var go = new GameObject("Pooled Particle System");
var ps = go.AddComponent<ParticleSystem>();
ps.Stop(true, ParticleSystemStopBehavior.StopEmittingAndClear);
var main = ps.main;
main.duration = 1;
main.startLifetime = 1;
main.loop = false;
// This is used to return ParticleSystems to the pool when they have stopped.var returnToPool = go.AddComponent<ReturnToPool>();
returnToPool.pool = Pool;
return ps;
}
// Called when an item is returned to the pool using ReleasevoidOnReturnedToPool(ParticleSystem system)
{
system.gameObject.SetActive(false);
}
// Called when an item is taken from the pool using GetvoidOnTakeFromPool(ParticleSystem system)
{
system.gameObject.SetActive(true);
}
// If the pool capacity is reached then any items returned will be destroyed.// We can control what the destroy behavior does, here we destroy the GameObject.voidOnDestroyPoolObject(ParticleSystem system)
{
Destroy(system.gameObject);
}
voidOnGUI()
{
GUILayout.Label("Pool size: " + Pool.CountInactive);
if (GUILayout.Button("Create Particles"))
{
var amount = Random.Range(1, 10);
for (int i = 0; i < amount; ++i)
{
var ps = Pool.Get();
ps.transform.position = Random.insideUnitSphere * 10;
ps.Play();
}
}
}
3.
내가 구현한 방식이다.
Spawn에도 IObjectPool로 PoolManager에 BulletPool을 받아서 사용한다.Manager 에서 새로운 오브젝트가 아닐경우 서로 공유해서 사용하게 한다.
글쓴이는 싱글톤으로 PoolManager을 만들어서 같은 총알은 서로 공유하여 사용하게 만들어보았다.
이런식으로 만들경우 Spawn컴퍼넌트를 오브젝트에 붙여주고 원하는 BulletPrefab을 넣어주면 완성이다.
