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Question by Lboy · Jul 11, 2012 at 11:39 PM · particleemitter

How can i turn on a particle emitter with a single key?

I asked a similiar question posting up my current script etc... here

It would appear nobody could help me, so rather than asking somebody to help me with my current script. Can somebody help me in writting a simple piece of code that turns on a particle emitter with a simple press of the "l" key.

This is for a charity project im working on, totally non profit, no financial gain so ANY help what so ever would be amazing.

thanks

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avatar image animusrecro · Jul 12, 2012 at 12:51 AM 0
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Do you want it turn on the emitter or a one shot burst?

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Answer by animusrecro · Jul 12, 2012 at 12:56 AM

To emit one shot:

 var myParticle: ParticleSystem;
 var amountToEmit: int;
 
 function Update()
 {
      if(Input.GetKeyDown("l"))
      {
           myParticle.Emit(amountToEmit);
      }
 }

To TurnOn Emitter:

    var myParticle: ParticleSystem;
     var amountToEmit: int;
     
     function Update()
     {
          if(Input.GetKeyDown("l"))
          {
               myParticle.enableEmission = true;
          }
     }
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avatar image Lboy · Jul 12, 2012 at 03:28 PM 0
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im currently trying this but keep getting a parsing error on var myParticle: ParticleSystem;

avatar image goo-muffin · Jul 12, 2012 at 03:30 PM 0
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Or just use GameObject.SetActiveRecursively

http://docs.unity3d.com/Documentation/ScriptReference/GameObject.SetActiveRecursively.html

avatar image animusrecro · Jul 12, 2012 at 03:46 PM 0
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did u assign the Particle system to the var in The editor and are u using the new particle system or the old one.

avatar image Bovine · Jul 12, 2012 at 06:22 PM 0
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I had problems with OneShot() legacy particles that were set to AutoDestroy - on SetActiveRecursively() it was destroyed immediately: I had to Emit() to force it to persist for its OneShot.

avatar image Lboy · Jul 13, 2012 at 06:02 AM 0
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@goo-muffin where and how do i use this?

@animusrecro i did assign it in the particle system and it was the old one, im now using the new system though and it wont allow me to drag it in the inspector. i can seem to drag the particle emitter im trying to control.

@bovine im trying to acess the emit enable with a single key, im using the new system and not too familiar with it. cant you post up an example of what you used?

thanks

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