ParticleSystem.TrailModule.dieWithParticles

描述

指定当粒子与其关联的粒子死亡时，轨迹是否立即消失。如果为 false，则每个轨迹都会持续存在，直到其所有点都自然到期为止，这取决于其生命周期。

using UnityEngine;
using System.Collections;

[RequireComponent(typeof(ParticleSystem))]
public class ExampleClass : MonoBehaviour
{
    private ParticleSystem ps;
    public bool dieWithParticles = true;

    void Start()
    {
        ps = GetComponent<ParticleSystem>();

        var main = ps.main;
        main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow);
        main.startSizeMultiplier = 0.1f;
        main.startLifetimeMultiplier = 1.0f;

        var trails = ps.trails;
        trails.enabled = true;

        var psr = GetComponent<ParticleSystemRenderer>();
        psr.trailMaterial = new Material(Shader.Find("Sprites/Default"));
    }

    void Update()
    {
        var trails = ps.trails;
        trails.dieWithParticles = dieWithParticles;
    }

    void OnGUI()
    {
        dieWithParticles = GUI.Toggle(new Rect(25, 25, 200, 30), dieWithParticles, "Die With Particles");
    }
}