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Regression in dynamic paint, blender 2.8: cannot make an object act as canvas and a brush simultaneously. #64149

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opened 2019-05-04 20:33:07 +02:00 by Vladimir · 4 comments
Vladimir commented 2019-05-04 20:33:07 +02:00
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System Information
Operating system: Fedora 30
Graphics card: intel graphics 620

Blender Version
Broken: 2.80, d966c2f0c2
Worked: 2.79b

untitled3.blend

Exact steps for others to reproduce the error
Open this file in blender 2.79b. Jump one frame forward.
You'll see two cubes, whch are colored in blue the more, the closer they are to their pair.

Open this file in blender 2.8. You'll see two black cubes, no matter what view you select, baking does not help.

**System Information** Operating system: Fedora 30 Graphics card: intel graphics 620 **Blender Version** Broken: 2.80, d966c2f0c2ad Worked: 2.79b [untitled3.blend](https://archive.blender.org/developer/F7005815/untitled3.blend) **Exact steps for others to reproduce the error** Open this file in blender 2.79b. Jump one frame forward. You'll see two cubes, whch are colored in blue the more, the closer they are to their pair. Open this file in blender 2.8. You'll see two black cubes, no matter what view you select, baking does not help.
Vladimir commented 2019-05-04 20:33:07 +02:00
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Added subscriber: @Vladimir-40

Added subscriber: @Vladimir-40
Sebastian Parborg self-assigned this 2019-07-09 14:21:51 +02:00
blender-admin commented 2019-07-09 14:43:25 +02:00
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This issue was referenced by 977c48b88d

This issue was referenced by 977c48b88da75ef8df373921c58a26060030af8d
Sebastian Parborg commented 2019-07-09 14:49:22 +02:00
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Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'
Sebastian Parborg commented 2019-07-09 14:54:01 +02:00
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We do not support this in 2.8.
Having the object be both a canvas and a brush at the same time could lead to very bad dependency cycles. So not we made it so that an object can only be either or (as implied by the GUI in 2.79 and 2.8).

To properly support this we need to redesign how the dynamic paint code works, we currently do not have a developer that is maintaining the dynpaint code, so this will have to do for now.

We do not support this in 2.8. Having the object be both a canvas and a brush at the same time could lead to very bad dependency cycles. So not we made it so that an object can only be either or (as implied by the GUI in 2.79 and 2.8). To properly support this we need to redesign how the dynamic paint code works, we currently do not have a developer that is maintaining the dynpaint code, so this will have to do for now.
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Reference: blender/blender#64149
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