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Question by twixthehero · Mar 03, 2017 at 07:49 PM · particlesystem

Particle System Main Module

I'm trying to change the start lifetime of a particle system in Unity v5.5.1. This code throws a NullReferenceException when trying to assign to startLifetime. I know that _particleSystem and _particleMain are NOT null.

 _particleSystem = GetComponent<ParticleSystem>();
 _particleMain = _particleSystem.main;
 _particleMain.startLifetime = new ParticleSystem.MinMaxCurve(_gameManager.TicksPerNight / 32f);

Following the examples here has not led me to any conclusions. Is this the proper way to assign to startLifetime in the MainModule? If so, why is it not working?

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avatar image ifurkend · Mar 03, 2017 at 11:25 PM 0
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It's difficult to tell the issue when the code given is so incomplete.

avatar image hexagonius · Mar 04, 2017 at 12:06 AM 0
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if the portion you posted throws NULL, your assumption about not NULLs is wrong. find out what exactly is null and why it's null. if you get that error there's no denying

avatar image twixthehero hexagonius · Mar 04, 2017 at 01:13 AM 0
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Did something dumb. Apparently there was no ParticleSystem on the object, but it was creating one. I checked the value in debug mode (below).

alt text

After changing the code to retreive the ParticleSystem from another gameobject, it fixed the issue.

debug.png (7.3 kB)

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