Particle system do not updates properly in viewport with dynamic painted weight #84668

New Issue

Vyacheslav Kobozev · 2021-01-13T12:47:20+01:00

2021-01-13 12:47:20 +01:00

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71

Blender Version
Broken: version: 2.92.0 Alpha, branch: master, commit date: 2021-01-11 00:07, hash: af88d23ffa
Worked: (newest version of Blender that worked as expected)

Short description of error
You can test with file
2021-01-13_14-39-35.mp4

How it should be (render)
Baking dynamics do not help at all.
0001-0040.mp4

DP hairs update.blend

**System Information** Operating system: Windows-7-6.1.7601-SP1 64 Bits Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.71 **Blender Version** Broken: version: 2.92.0 Alpha, branch: master, commit date: 2021-01-11 00:07, hash: `af88d23ffa` Worked: (newest version of Blender that worked as expected) **Short description of error** You can test with file [2021-01-13_14-39-35.mp4](https://archive.blender.org/developer/F9571302/2021-01-13_14-39-35.mp4) How it should be (render) Baking dynamics do not help at all. [0001-0040.mp4](https://archive.blender.org/developer/F9571372/0001-0040.mp4) [DP hairs update.blend](https://archive.blender.org/developer/F9571459/DP_hairs_update.blend)

Vyacheslav Kobozev commented

2021-01-13 12:47:20 +01:00

Added subscriber: @Vyach

Philipp Oeser commented

2021-01-13 13:40:26 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2021-01-13 13:40:26 +01:00

Changed status from 'Needs Triage' to: 'Confirmed'

Philipp Oeser commented

2021-01-13 13:40:26 +01:00

Can confirm, will check for a duplicate report [which I think exists...]

Vyacheslav Kobozev commented

2021-01-13 14:09:15 +01:00

I found similar issues (late updates for hair system) but they are diferent.

Vyacheslav Kobozev commented

2021-01-15 21:45:25 +01:00

@lichtwerk I remember, there was issue for dynamic paint + waves in viewport. Similar behavior: patched updates in viewport and viewport-render, proper update on general render (even with workbench)

Similar topics, i am not sure it is the same:
#77219 (Dynamic vertex groups (Dynamic Paint, Weight Proximity modifier, Geometry Nodes, ...) do not update density of particles in viewport display)
#67394 (Vertex Proximity modifier target changes do not affect hair density automatically)

@lichtwerk I remember, there was issue for dynamic paint + waves in viewport. Similar behavior: patched updates in viewport and viewport-render, proper update on general render (even with workbench) Similar topics, i am not sure it is the same: #77219 (Dynamic vertex groups (Dynamic Paint, Weight Proximity modifier, Geometry Nodes, ...) do not update density of particles in viewport display) #67394 (Vertex Proximity modifier target changes do not affect hair density automatically)

Vyacheslav Kobozev commented

2021-01-15 21:45:46 +01:00

Found this one, with waves
#75928 (Dynamic paint waves: Viewport render and main Render looks very different.)

Found this one, with waves #75928 (Dynamic paint waves: Viewport render and main Render looks very different.)

Vyacheslav Kobozev commented

2021-01-15 21:47:04 +01:00

#67394 (Vertex Proximity modifier target changes do not affect hair density automatically) and may be this

Philipp Oeser commented

2022-02-08 09:31:21 +01:00

Yep, same as #77219 (Dynamic vertex groups (Dynamic Paint, Weight Proximity modifier, Geometry Nodes, ...) do not update density of particles in viewport display), will merge reports

Philipp Oeser commented

2022-02-08 09:31:28 +01:00

Closed as duplicate of #77219

Philipp Oeser closed this issue

2022-02-08 09:31:28 +01:00

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Particle system do not updates properly in viewport with dynamic painted weight #84668