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minghanbai/ParticelObjectPool

Created January 3, 2017 05:49
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Revisions

  1. smallrice45 revised this gist Jan 3, 2017. No changes.
  2. smallrice45 created this gist Jan 3, 2017.
    73 changes: 73 additions & 0 deletions ParticelObjectPool
    View file
    Original file line number Diff line number Diff line change
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    using System.Collections;
    using System.Collections.Generic;
    using UnityEngine;

    public class ParticelObjectPool : MonoBehaviour {
    private ParticleSystem _ParticleSystem;
    private ParticleSystemRenderer _ParticleSystemRenderer;
    private ParticleSystem.Particle[] _Particles;
    public GameObject _ParticelObject;
    private GameObject _ObjectPool;
    int numParticlesAlive;
    void Start()
    {
    InitParticleSystem();
    InitObjectPool();

    }
    void InitParticleSystem()
    {
    _ParticleSystem = GetComponent<ParticleSystem>();
    _ParticleSystemRenderer = GetComponent<ParticleSystemRenderer>();

    _Particles = new ParticleSystem.Particle[_ParticleSystem.main.maxParticles];
    _ParticleSystemRenderer.renderMode = ParticleSystemRenderMode.None;
    }

    void InitObjectPool()
    {
    if (_ObjectPool == null)
    {
    _ObjectPool = new GameObject();
    _ObjectPool.name = "ParticelObjectPool_" + _ParticelObject.name;
    }
    for (int i = 0; i < _ParticleSystem.main.maxParticles; i++)
    {
    GameObject go = Instantiate(_ParticelObject);
    go.transform.SetParent(_ObjectPool.transform);
    }
    }

    void Update()
    {
    numParticlesAlive = _ParticleSystem.GetParticles(_Particles);

    // SetObjectPool
    for (int i = 0; i < _ObjectPool.transform.childCount; i++)
    {
    if (i < numParticlesAlive)
    {
    _ObjectPool.transform.GetChild(i).gameObject.SetActive(true);
    }
    else
    {
    _ObjectPool.transform.GetChild(i).gameObject.SetActive(false);
    }
    }

    // SetObjectTransform
    for (int i = 0; i < numParticlesAlive; i++)
    {
    if (_ParticleSystem.main.simulationSpace == ParticleSystemSimulationSpace.World)
    {
    _ObjectPool.transform.GetChild(i).transform.position = _Particles[i].position;
    }
    else
    {
    Debug.Log(_Particles[i].position);
    _ObjectPool.transform.GetChild(i).transform.position = transform.TransformPoint(_Particles[i].position);
    }
    _ObjectPool.transform.GetChild(i).eulerAngles = _Particles[i].angularVelocity3D + _ParticleSystem.transform.eulerAngles;
    }
    }
    }