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Question by noamtoledano · Mar 28, 2012 at 06:08 PM · particlesparticle system

Rebellious particles

Hii all!

I have a problem with my Spaceship trail, There are some particles that just does not "Listen" to what they are told to do.

I have tried shutting off parameters one by one to find the origin of the problem, But I could not find it :(

I'm using the new particle system, Did anyone encounter this problem and know how to solve it?

Image describing the problem. Problem Image

**Full Size Image**

And here is a screen shot of the parameters. Parameters

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avatar image amirabiri · Mar 29, 2012 at 11:45 PM 0
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To further clarify my colleague's question, the problem appears to be that every fixed period of time an additional redundant particle is emitted and we cannot seem to figure out where it's co$$anonymous$$g from.

avatar image DaveA · Mar 30, 2012 at 12:15 AM 2
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Beautiful!

avatar image noamtoledano · Mar 30, 2012 at 01:03 AM 0
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Thank you :)

avatar image FLASHDENMARK · Mar 30, 2012 at 03:48 PM 0
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As Dave said. Absolutely amazing graphics!

avatar image amirabiri · Mar 30, 2012 at 03:54 PM 0
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As my colleague said, thank you very much :-)

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Answer by amirabiri · Apr 02, 2012 at 03:43 PM

The bug report was accepted by Unity (i.e they were able to reproduce it) - http://fogbugz.unity3d.com/default.asp?454831_3vhts1d31ml5b6gd so there should be a fix for this problem at some point in the future.

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Answer by noamtoledano · Mar 30, 2012 at 01:46 AM

Upon further investigation it would appear that there is a bug in the new particle system.

It seems that the new particle system is very sensitive to timing / intervals between frames. When we pause the editor and step one frame at a time using the step button in the editor the trail looks like this:

alt text

However when running normal this is what we get:

alt text

So you can clearly see that some particles "inherit" a different set of parameters than others.

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avatar image DaveA · Mar 30, 2012 at 01:52 AM 0
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Can you fall back to the 'legacy' particles?

avatar image amirabiri · Mar 30, 2012 at 03:36 PM 1
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We have submitted a bug report for this issue: http://fogbugz.unity3d.com/default.asp?454831_3vhts1d31ml5b6gd

avatar image amirabiri · Mar 30, 2012 at 03:53 PM 1
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@DaveA yes that's what we'll do for now.

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