Modified Example Scene

Modified Example Scene to use unwrapped Particle System

UOP1_Project/Assets/Scripts/Pool/Example/Assets/Example.unity

   m_Script: {fileID: 11500000, guid: ff0fb790d778a05429eca3a001ab6be1, type: 3}
   m_Name: 
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 --- !u!4 &648587143
 Transform:

UOP1_Project/Assets/Scripts/Pool/Example/LocalPoolTester.cs

 public class LocalPoolTester : MonoBehaviour
 {
 	[SerializeField]
-	private PoolableParticle _prefab = default;
-	[SerializeField]
-	private IEnumerator Start()
+	private void Start()
-		_factory.Prefab = _prefab;
-		List<PoolableParticle> particles = _pool.Request(10) as List<PoolableParticle>;
-		foreach (PoolableParticle particle in particles)
+		List<ParticleSystem> particles = _pool.Request(10) as List<ParticleSystem>;
+		foreach (ParticleSystem particle in particles)
-			particle.transform.position = Random.insideUnitSphere * 5f;
-			particle.Play();
+			StartCoroutine(DoParticleBehaviour(particle));
-		yield return new WaitForSecondsRealtime(5f);
-		_pool.Return(particles);
+	}
+
+	private IEnumerator DoParticleBehaviour(ParticleSystem particle)
+	{
+		particle.transform.position = Random.insideUnitSphere * 5f;
+		particle.Play();
+		yield return new WaitForSeconds(particle.main.duration);
+		particle.Stop(true, ParticleSystemStopBehavior.StopEmitting);
+		yield return new WaitUntil(()=>particle.particleCount==0);
+		_pool.Return(particle);
 	}
 
 }

UOP1_Project/Assets/Scripts/Pool/Example/ParticleFactorySO.cs

 using UOP1.Factory;
 
 [CreateAssetMenu(fileName = "NewParticleFactory", menuName = "Factory/Particle Factory")]
-public class ParticleFactorySO : ComponentFactorySO<PoolableParticle>
+public class ParticleFactorySO : FactorySO<ParticleSystem>
-	[SerializeField]
-	private PoolableParticle _prefab = default;
-
-	public override PoolableParticle Prefab
+	public override ParticleSystem Create()
-		get
-		{
-			return _prefab;
-		}
-		set
-		{
-			_prefab = value;
-		}
+		return new GameObject("ParticleSystem").AddComponent<ParticleSystem>();
 	}
 }
 

UOP1_Project/Assets/Scripts/Pool/Example/ParticlePoolSO.cs

 using UOP1.Factory;
 
 [CreateAssetMenu(fileName = "NewParticlePool", menuName = "Pool/Particle Pool")]
-public class ParticlePoolSO : ComponentPoolSO<PoolableParticle>
+public class ParticlePoolSO : ComponentPoolSO<ParticleSystem>
 {
 	[SerializeField]
 	private ParticleFactorySO _factory;
-	public override IFactory<PoolableParticle> Factory
+	public override IFactory<ParticleSystem> Factory
 	{
 		get
 		{

UOP1_Project/Assets/Scripts/Pool/Example/PoolTester.cs

 	[SerializeField]
 	private ParticlePoolSO _pool = default;
 
-	private IEnumerator Start()
+	private void Start()
-		List<PoolableParticle> particles = _pool.Request(10) as List<PoolableParticle>;
-		foreach (PoolableParticle particle in particles)
+		List<ParticleSystem> particles = _pool.Request(10) as List<ParticleSystem>;
+		foreach (ParticleSystem particle in particles)
-			particle.transform.position = Random.insideUnitSphere * 5f;
-			particle.Play();
+			StartCoroutine(DoParticleBehaviour(particle));
-		yield return new WaitForSeconds(5f);
-		_pool.Return(particles);
+	}
+
+	private IEnumerator DoParticleBehaviour(ParticleSystem particle)
+	{
+		particle.transform.position = Random.insideUnitSphere * 5f;
+		particle.Play();
+		yield return new WaitForSeconds(particle.main.duration);
+		particle.Stop(true, ParticleSystemStopBehavior.StopEmitting);
+		yield return new WaitUntil(() => particle.particleCount == 0);
+		_pool.Return(particle);
 	}
 }

UOP1_Project/Assets/Scripts/Pool/Example/Assets/Particles.prefab.meta

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-PrefabImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

UOP1_Project/Assets/Scripts/Pool/Example/PoolableParticle.cs

-using UOP1.Pool;
-using System;
-using System.Collections;
-using UnityEngine;
-
-public class PoolableParticle : MonoBehaviour, IPoolable
-{
-	[SerializeField]
-	private ParticleSystem _particleSystem = default;
-
-	public void OnRequest()
-	{
-		gameObject.SetActive(true);
-	}
-
-	public void Play()
-	{
-		_particleSystem.Play();
-	}
-
-	public void OnReturn(Action onReturned)
-	{
-		StartCoroutine(DoReturn(onReturned));
-	}
-
-	IEnumerator DoReturn(Action onReturned)
-	{
-		if (_particleSystem.isPlaying)
-		{
-			yield return new WaitForSeconds(_particleSystem.main.duration - (_particleSystem.time % _particleSystem.main.duration));
-			_particleSystem.Stop();
-		}
-		yield return new WaitUntil(() => _particleSystem.particleCount == 0);
-		onReturned.Invoke();
-		gameObject.SetActive(false);
-	}
-}

UOP1_Project/Assets/Scripts/Pool/Example/PoolableParticle.cs.meta

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