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Hair Dynamics (no collision): exploding...
Open, Confirmed, MediumPublic


System Information
Operating system: windows 10 version 1803
Graphics card: NVIDIA GeForce GTX 1060 3GB

Blender Version
Broken: blender-2.80-d986b04bd302-win64\blender-2.80.0-git.d986b04bd302-windows64
Worked: (optional)

Short description of error
Hair dynamics not working. Tried baking etc but no joy.

Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
Just press render



Event Timeline

It works in Ubuntu 18.04.2 with AMD RX580

Hey..btw if you hit the play button in around frame 13 it goes mental. Same with render.. get to 13 or so and see.

All the best


Last pic is when i just land on frame and go into edit mode then back into object mode. seems to refresh the hair but without dynamicss


Has anyone moved forward with this.. any updates?


Still with today's 2019-05-19 build i get the issue at frame 13.. also feeing the cache doesn't change

Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.

Not sure if it's related on dynamics. Disabling it does not appear to be affecting on the issue.

One thing to facilitate developers fixing the issue is to simplify the file. Debugging such kind of issues on a fully features animated and rigged character is a huge time sink.

@Sergey Sharybin (sergey): it is dynamics [disabling for all particlesystems on all objects (on the character there are multiple) fixes the explosion for me]
Agree though that a simpler file would be welcome, lets see if I can narrow it down...

Philipp Oeser (lichtwerk) renamed this task from Wacky Hair dynamics to Hair Dynamics (no collision): exploding....