Hair animation problem #53623

New Issue

Michael Hannig · 2017-12-23T23:56:37+01:00

Michael Hannig commented

2017-12-23 23:56:37 +01:00

Operating system and graphics card :
Windows 10 64bit
GeForce GTX 770
32GByte RAM

Blender Version
Blender 2.79

Short description of error
In my hairsystem (one hair-particlesystem) only a few of the guide hairs are working properly with the moving animation. The other guide hairs do nothing.

Exact steps for others to reproduce the error
Open the blend-file and play the animation. You can see, that about the half guide hairs are moving and the other don't work (they are all in one hair-particle-system). In the attached mpg-file you can see my problem.

hair-problem-animation.mpg

hairproblem.blend

Operating system and graphics card : Windows 10 64bit GeForce GTX 770 32GByte RAM **Blender Version** Blender 2.79 **Short description of error** In my hairsystem (one hair-particlesystem) only a few of the guide hairs are working properly with the moving animation. The other guide hairs do nothing. **Exact steps for others to reproduce the error** Open the blend-file and play the animation. You can see, that about the half guide hairs are moving and the other don't work (they are all in one hair-particle-system). In the attached mpg-file you can see my problem. [hair-problem-animation.mpg](https://archive.blender.org/developer/F1507542/hair-problem-animation.mpg) [hairproblem.blend](https://archive.blender.org/developer/F1507540/hairproblem.blend)

Michael Hannig commented

2017-12-23 23:56:37 +01:00

Added subscriber: @mikel007

Philipp Oeser commented

2018-01-03 22:01:19 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2018-01-03 22:01:19 +01:00

Can confirm that hair dynamics have a problem in this file.
Cause for this is one heavily distorted guide hair

Not sure yet why exactly the sim freaks out (as in: wont sim the remaining hairs), might investigate a bit (even though this is usually not my playground and hair/particle is under heavy rewrite anyways...)
Workaround is to smooth this guidehairs vertices out (or better: just delete that particular guide: 'X' --> particle). That should solve it make all remaining hairs sim again.

hairproblem_workaround.blend
In attached .blend, the guidehair in question is selected (ready to be deleted)

Marking this as low priority for now [feel free to mark as 'resolved' even if this fixes your problem]

Can confirm that hair dynamics have a problem in this file. Cause for this is one heavily distorted guide hair ![#53623.png](https://archive.blender.org/developer/F1683833/T53623.png) Not sure yet why exactly the sim freaks out (as in: wont sim the remaining hairs), might investigate a bit (even though this is usually not my playground and hair/particle is under heavy rewrite anyways...) Workaround is to smooth this guidehairs vertices out (or better: just delete that particular guide: 'X' --> particle). That should solve it make all remaining hairs sim again. [hairproblem_workaround.blend](https://archive.blender.org/developer/F1683925/hairproblem_workaround.blend) In attached .blend, the guidehair in question is selected (ready to be deleted) Marking this as low priority for now [feel free to mark as 'resolved' even if this fixes your problem]

Philipp Oeser commented

2018-01-04 07:58:34 +01:00

Added subscriber: @LukasTonne

Philipp Oeser commented

2018-01-04 07:58:34 +01:00

@LukasTonne: just letting you know as a reference [not sure how much of the dynamics/simulation code is planned to be reused for new hair stuff...]

Michael Hannig commented

2018-01-04 09:20:38 +01:00

Changed status from 'Open' to: 'Resolved'

Michael Hannig closed this issue

2018-01-04 09:20:38 +01:00

Michael Hannig self-assigned this 2018-01-04 09:20:38 +01:00

Michael Hannig commented

2018-01-04 09:20:38 +01:00

Thanks for your answer. I think the task is resolved. I'm wondering why a distorted guide hair has effects to other guide hairs. But as you say the hair/particle will rewrited.

Sign in to join this conversation.

No Label

Download

What's New

Blender Studio

Manual

Developers Blog

Documentation

Benchmark

Blender Conference

Development Fund

One-time Donations

Hair animation problem #53623