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I am working on a particle system and a force field.

When it is time for the particles to move to the force field, they actually do move, but a few of the particles remain behind.

enter image description here

Why's that?

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  • $\begingroup$ what does it give if you bake the simulation? $\endgroup$
    – moonboots
    Dec 6, 2021 at 12:19
  • $\begingroup$ Hello and welcome. Please use the edit link at the bottom of your question (i.sstatic.net/lXFuK.png) and add more information on how you set up your project. Add images that might help us understand your scene and settings. Also, make sure to take a proper screenshot HERE $\endgroup$
    – Emir
    Dec 6, 2021 at 12:20
  • $\begingroup$ I baked it and it gave the same result $\endgroup$ Dec 6, 2021 at 12:23
  • $\begingroup$ maybe share your file? pasteall.org/blend $\endgroup$
    – moonboots
    Dec 6, 2021 at 12:28
  • $\begingroup$ Hello and welcome. Rather than take photos of your monitor post actual screenshots instead, see How to take a screenshot. Photos are harder to read, because we have to guess if we are looking at a external interference like reflections or smudges or Moiré patterns, hardware issues such as a malfunctioning display or connection, a software level bug or driver malfunction, or an or actual artifact or issue with the model itself. $\endgroup$ Dec 6, 2021 at 12:34

1 Answer 1

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It is (as ussuall) Cache issue ... Delete Bake never really worked for me. The only way I know to get cache overwriten, is to change Number of particles (+1/-1).

Since you use Emit from Volume > Grid you can't change that, but if you change Distribution to Jittered with particles Number like 100 and Bake ... all sim is fine (in term - how force are set).

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  • $\begingroup$ Thank you. Would try that out now $\endgroup$ Dec 6, 2021 at 18:56
  • $\begingroup$ Changed the distribution to jittered and set the number of particles to a 100 and baked, still the same. $\endgroup$ Dec 6, 2021 at 20:49
  • $\begingroup$ Since you can see it is not happening in my file I don't think I can help ... Tested also with collision sphere, because it partially looked like some particles were "catched" by sphere inside due penetration that is happening sometimes for quick movement. $\endgroup$
    – vklidu
    Dec 6, 2021 at 20:59

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