unity3d turn on off particle system

Question

i am trying to turn on and off a particle system i created.
I attached it to a prefab.

The code I am using is as follows

public ParticleSystem waterGun;

void Update () {
    if(Input.GetKey(KeyCode.W)){
        waterGun.enableEmission = true;
    }else if(Input.GetKeyUp(KeyCode.W)){
        waterGun.enableEmission = false;
    }
}

I want the particle system to play in front of the fps when a key is held down and stop playing when it is pressed.

According to the [Unity3D documentation](http://docs.unity3d.com/Documentation/ScriptReference/ParticleSystem-enableEmission.html) this _should_ disable the emission. I take it this is not working for you? — Chris Sinclair, Mar 13 '13 at 20:50
Have you properly assigned the correct instance of the particle system to the `waterGun` field? — Chris Sinclair, Mar 13 '13 at 20:54
Is it possible the `if`statement should be changed to `GetKeyDown` instead of `GetKey`? In your question, you say: `and stop playing when it is pressed.` This is not what happens here. Here, it'll stop playing when you release the button. — Joetjah, Mar 14 '13 at 08:03

score 5 · Answer 1 · edited Nov 18 '16 at 01:16

5

Try using:

waterGun.Play();

and

waterGun.Stop();

And also, your logic is inverted, like Joetjah said.

edited Nov 18 '16 at 01:16

gsamaras

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answered Apr 22 '13 at 11:17

Corne

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score 0 · Answer 2 · answered Oct 26 '14 at 11:14

0

You say that the "waterGun prefab is given to it" but you should be assigning an instance of a particle system in the scene to waterGun, not the prefab. A prefab doesn't exist in the scene.

answered Oct 26 '14 at 11:14

Sam

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unity3d turn on off particle system

2 Answers2