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whenever I append a princess hair from another file to my current blend file, all object within the current file with particle system is messing up. I am really new to the particle system and I can't figure out how to fix that.

pirate hat before appending another hair object

princess hair before appeining

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I am attaching two separate blend files with pirate hair and princess' hair. I really don't know what can cause the problem, but sometimes when I entered a material preview mode with one of the hair object (in the current file with pirate hat and others) the blender crashed with "segmentation fault"

Pirate hair file

princess hair file

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  • $\begingroup$ @vklidu looking forward to see! I also discovered if I delete plane with hair in princes file and then append just bezier curve, then the pirate's hair is starting to follow the bezier curve as well $\endgroup$
    – Eugene
    Commented Jun 22, 2022 at 8:13
  • $\begingroup$ Here is the script blender.stackexchange.com/a/214880/2214 ... $\endgroup$
    – vklidu
    Commented Jun 22, 2022 at 8:25
  • $\begingroup$ @vklidu actually I have found out that the curve's field force affects all other particle systems so that's the reason, but I cannot manage to isolate that force only for the princess hair $\endgroup$
    – Eugene
    Commented Jun 22, 2022 at 18:15
  • $\begingroup$ Sure it affects :) see How to isolate ... BTW I tried to delete Force Field Curve and append pirate's hair again and it results in the same condition. I also tried append my hair edit and it worked fine (without the script) ... so I was wrong with edit issue (to clean it up here I deleted my irrelevant comment). $\endgroup$
    – vklidu
    Commented Jun 22, 2022 at 19:15
  • $\begingroup$ Now I see your issue (and why isolate Curve Guide didn't work) ... you have set Force Field also for princess hair emitter :) ... also refresh cache go to edit mode and back with pirate's hair emitter. $\endgroup$
    – vklidu
    Commented Jun 22, 2022 at 19:36

1 Answer 1

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I was able to solve the problem by going to the particle settings of both princess and pirate hair -> field weights -> set effector to the collections where each hair is located

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