Legacy Documentation: Version 2018.1 (Go to current version)
LanguageEnglish
  • C#
  • JS

Script language

Select your preferred scripting language. All code snippets will be displayed in this language.

ParticleSystem.TrailModule.lifetimeMultiplier

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Switch to Manual
public var lifetimeMultiplier: float;
public float lifetimeMultiplier;

Description

Change the lifetime multiplier.

This is more efficient than accessing the whole curve, if you only want to change the overall lifetime multiplier.

#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.lifetimeMultiplier = 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.lifetimeMultiplier = 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); } }

Did you find this page useful? Please give it a rating: