ZhenShiXunYouJi2/Assets/Scripts/Smoke.cs

using SUISSEngine;
using UnityEngine;

public class Smoke : MonoBehaviour
{
    public float RandomRateSpan = 1f;

    public GameObject parent;

    [SelfReference(true)]
    public ParticleSystem _particleSystem;

    private Renderer _particleSystemRenderer;

    private void Awake()
    {
        _particleSystemRenderer = _particleSystem.GetComponent<Renderer>();
        ParticleSystem.EmissionModule emission = _particleSystem.emission;
        float constant = UnityEngine.Random.Range(emission.rateOverTime.constantMax, RandomRateSpan);
        emission.rateOverTime = new ParticleSystem.MinMaxCurve(constant);
        _particleSystemRenderer.material.renderQueue = 10000;
    }

    private void Start()
    {
        if (parent != null)
        {
            _particleSystemRenderer.sortingOrder = parent.GetComponent<Renderer>().sortingOrder;
        }
    }
}