Legacy Documentation: Version 2018.2 (Go to current version)
  • C#


Suggest a change


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.


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.



Switch to Manual
public float duration;


The duration of the particle system in seconds.

This property can only be set when the particle system is not playing.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps;

void Start() { ps = GetComponent<ParticleSystem>(); ps.Stop(); // Cannot set duration whilst particle system is playing

var main = ps.main; main.duration = 10.0f;

ps.Play(); } }

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