The duration of the particle system in seconds.
This property can only be set when the particle system in not playing.
no example available in JavaScript
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(); } }