ParticleSystem.MainModule.duration

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public var duration: float;

public float duration;

Description

The duration of the particle system in seconds.

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

#pragma strict
private var ps: ParticleSystem;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	ps.Stop();
	// Cannot set duration whilst particle system is playing
	var main: var = ps.main;
	main.duration = 10.0f;
	ps.Play();
}

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();
    }
}