ParticleSystem.TrailModule.lifetime

Description

The curve describing the trail lifetime, throughout the lifetime of the particle.

This value is relative to the particle lifetime. See Also: MinMaxCurve.

#pragma strict
private var ps: ParticleSystem;
public var hSliderValueLifetime: float = 1.0f;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	var main: var = ps.main;
	main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow);
	main.startSize = 0.1f;
	main.startLifetime = 1.5f;
	var trails: var = ps.trails;
	trails.enabled = true;
	var psr: var = GetComponent.<ParticleSystemRenderer>();
	psr.trailMaterial = new Material(Shader.Find("Sprites/Default"));
}
function Update() {
	var trails: var = ps.trails;
	trails.lifetime = hSliderValueLifetime;
}
function OnGUI() {
	GUI.Label(new Rect(25, 40, 100, 30), "Lifetime");
	hSliderValueLifetime = GUI.HorizontalSlider(new Rect(95, 45, 100, 30), hSliderValueLifetime, 0.0f, 1.0f);
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    private ParticleSystem ps;
    public float hSliderValueLifetime = 1.0f;

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

        var main = ps.main;
        main.startColor = new ParticleSystem.MinMaxGradient(Color.red, Color.yellow);
        main.startSize = 0.1f;
        main.startLifetime = 1.5f;

        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.lifetime = hSliderValueLifetime;
    }

    void OnGUI()
    {
        GUI.Label(new Rect(25, 40, 100, 30), "Lifetime");

        hSliderValueLifetime = GUI.HorizontalSlider(new Rect(95, 45, 100, 30), hSliderValueLifetime, 0.0f, 1.0f);
    }
}