Dynamically modified influence vertex group not working in modifier stack #55818

Closed
opened 2018-07-07 14:16:44 +02:00 by Helmut Schulz · 6 comments

System Information
Ubuntu 16.04.3 LTS, GeForce 1050TI

Blender Version
Broken: 53c63db2ee
Worked: 2.79b

Short description of error
Stacked modifiers seem to ignore dynamically influenced vertex groups (depsgraph problem?)

Exact steps for others to reproduce the error
Add a vertex group 'group' to the default cube and assign all cube vertices to it, value '0'.
Add a new Empty, and place it somewhere near the cube.
Add a VertexProximity modifier. Use 'Empty' as influencing object and Cube's 'group' as group to be influenced.
Select the cube, go in WeightPaint mode and edit VertexProximity modifier's lowest/highest settings to create a nice fading-out area of influence for 'Empty',
Add a Smooth modifier to 'Cube', using 'group' as influence group.

Nothing will happen.
Statically assigned nonzero values to Cube's group will show up. Any VertexProximity modifier influence will be ignored however, even if it is displayed correctly in WeightPaint mode.
See attached file.

vwp_mod.blend

**System Information** Ubuntu 16.04.3 LTS, GeForce 1050TI **Blender Version** Broken: 53c63db2ee1 Worked: 2.79b **Short description of error** Stacked modifiers seem to ignore dynamically influenced vertex groups (depsgraph problem?) **Exact steps for others to reproduce the error** Add a vertex group 'group' to the default cube and assign all cube vertices to it, value '0'. Add a new Empty, and place it somewhere near the cube. Add a VertexProximity modifier. Use 'Empty' as influencing object and Cube's 'group' as group to be influenced. Select the cube, go in WeightPaint mode and edit VertexProximity modifier's lowest/highest settings to create a nice fading-out area of influence for 'Empty', Add a Smooth modifier to 'Cube', using 'group' as influence group. Nothing will happen. Statically assigned nonzero values to Cube's group will show up. Any VertexProximity modifier influence will be ignored however, even if it is displayed correctly in WeightPaint mode. See attached file. [vwp_mod.blend](https://archive.blender.org/developer/F3893992/vwp_mod.blend)
Author

Added subscriber: @thorbad

Added subscriber: @thorbad

Added subscriber: @mont29

Added subscriber: @mont29
Bastien Montagne self-assigned this 2018-07-24 16:33:04 +02:00

Confirmed… this was working like one month ago or so… :(

Confirmed… this was working like one month ago or so… :(

Broken by 7661f8a65b…

Broken by 7661f8a65b…

This issue was referenced by c2d363b118

This issue was referenced by c2d363b11804ea2a0ce9e31a120a8a2b73af7a4a

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'
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Reference: blender/blender#55818
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