ParticleSystem.isPlaying

Description

Is the Particle System playing right now?

isPlaying returns true when the particle system happens on each frame. The particle system has been stopped when isPlaying returns false.

#pragma strict
// A particle sprite example of isPlaying. A button is created
// that shows whether the particle system is running.  If not, then
// it can be started.  If it is running then it can be stopped.
public var tex: Texture2D;
private var ps: ParticleSystem;
private var sprite: Sprite;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	sprite = Sprite.Create(tex, new Rect(0.0f, 0.0f, tex.width, tex.height), Vector2.zero);
	var textureSheetAnimation: var = ps.textureSheetAnimation;
	textureSheetAnimation.enabled = true;
	textureSheetAnimation.mode = ParticleSystemAnimationMode.Sprites;
	textureSheetAnimation.AddSprite(sprite);
}
function OnGUI() {
	if (ps.isPlaying) {
		if (GUI.Button(new Rect(10, 70, 150, 50), "Stop and clear")) {
			ps.Stop(true, ParticleSystemStopBehavior.StopEmittingAndClear);
		}
	}
	else {
		if (GUI.Button(new Rect(10, 70, 150, 50), "Play")) {
			ps.Play(false);
		}
	}
}

using UnityEngine;

// A particle sprite example of isPlaying. A button is created
// that shows whether the particle system is running.  If not, then
// it can be started.  If it is running then it can be stopped.

using UnityEngine;

public class ExampleClass : MonoBehaviour
{
    public Texture2D tex;
    private ParticleSystem ps;
    private Sprite sprite;

    void Start()
    {
        ps = GetComponent<ParticleSystem>();
        sprite = Sprite.Create(tex, new Rect(0.0f, 0.0f, tex.width, tex.height), Vector2.zero);

        var textureSheetAnimation = ps.textureSheetAnimation;
        textureSheetAnimation.enabled = true;
        textureSheetAnimation.mode = ParticleSystemAnimationMode.Sprites;
        textureSheetAnimation.AddSprite(sprite);
    }

    void OnGUI()
    {
        if (ps.isPlaying)
        {
            if (GUI.Button(new Rect(10, 70, 150, 50), "Stop and clear"))
            {
                ps.Stop(true, ParticleSystemStopBehavior.StopEmittingAndClear);
            }
        }
        else
        {
            if (GUI.Button(new Rect(10, 70, 150, 50), "Play"))
            {
                ps.Play(false);
            }
        }
    }
}