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Ok, I have been trying to maintain "static" particles, meaning they stay the same count and just vibrate in place (like atoms) - like this https://dribbble.com/shots/4936693-VR-Birds

I have achieved this by just having start and end frame be same -

enter image description here

My problem is clearly Im doing something wrong because maybe 5 seconds after the start/end frame, the particles freak out and move really fast away from the desired volume:

enter image description here

(where before they were in that box by the cursor) How can I stop them from exploding? Is it something with the lifetime?

EDIT: enter image description here

2:

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Additionally (re-editing my last answer) I am attaching a blend file in which I noticed that I had to use Brownian Force and Damp instead of Turbulence or any other kind of field.

enter image description here

This should do the work.

Blender File

In order to keep the particles still you must turn off the Normal property in the Emiter Geometry under the tab Velocity of your Particles System.

enter image description here

The second thing that you have to do, so your particles will not go towards the "ground plane" is to turn off the Gravity affection in the "Field Weights" Tab. From this panel you will also set the desired affection from other fields (such as Turbulence, Wind, Vortex etc) that you may use to give to your particles the kind of movement you are looking for.

enter image description here

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  • $\begingroup$ I did that but still freaks out - I have Newtonian physics on, maybe thats it? But I need physics to keep them wiggling in place. See my edit $\endgroup$ – skyguy Sep 2 '18 at 18:20
  • $\begingroup$ do you have a cache file ? if yes clear it first. You need Newtonian turned on for sure. $\endgroup$ – cnisidis Sep 2 '18 at 18:22
  • $\begingroup$ Right, I believe I cleared the cache I clicked "Free all Bakes (see edit) but still won't work $\endgroup$ – skyguy Sep 2 '18 at 19:04
  • $\begingroup$ hm sounds really strange, what if you do it from scratch in a new file ? Can you reproduce the effect ? $\endgroup$ – cnisidis Sep 2 '18 at 19:20
  • $\begingroup$ yup, in that birds example I had it happen too but I just made a new emitter, but thats not sustainable $\endgroup$ – skyguy Sep 2 '18 at 19:31

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