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Some Grease Pencil Sculpt tools break if GP object is transformed
Closed, ResolvedPublic

Description

version: 2.80 (sub 74), branch: master, commit date: 2019-06-20 22:36, hash: 197661c7334d, type: Release
build date: 2019-06-20, 23:27:49

How to reproduce:

  1. Open the attached file
  2. Enter sculpt mode for for each monkey
  3. Try using the Push, Pinch, Twist, and Clone tools, specifically.

The Red Monkey is not transformed. All the tools work as expected.
The Blue Monkey is displaced. The effects of the Pinch, Twist, and Clone tools are WAY off.
The Green Monkey is rotated upside-down. This breaks the above tools, as well as the Push tool, which now works in the opposite direction.

I haven't tested it, but scaling probably breaks sculpt mode in a similar way as well.

Event Timeline

Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.
Sam Brubaker (rocketman) raised the priority of this task from Confirmed, Medium to Confirmed, High.Fri, Jul 12, 9:52 PM

May I elevate the priority of this bug? Sorry to do this to my own report, but 4 out of 9 sculpt tools are broken for Grease Pencil objects with a non-zero transform. This seems like a severe issue!

I can reproduce it and I'm already working on the fix.