Freezeing keyed particle ststem #64535

New Issue

Will · 2019-05-13T03:45:39+02:00

Will commented

2019-05-13 03:45:39 +02:00

System Information
Operating system:
Graphics card:

Blender Version
Broken: (example: 2.80, edbf15d3c0, master, 2018-11-28, as found on the splash screen)
Worked: (2.7b)

Short description of error
Particles that are supposed to follow a mesh as setup using keyed settings, do not render correctly, sometimes the particles dont render in full and sometimes the particles freeze in place while the mesh they are supposed to follow keeps on moving.
The render window shows the particles in correct place, but the render will render the particles in the last non glitched position.
Changing the settings such as lifetime, amount etc will not do anything to change what is happening in engine.Giant Oppressor man 2.8.blend
Exact steps for others to reproduce the error
2.7 works just fine, porting projects to 2.8 produces glitched results. simply render at frame 550 and beyond and you will see that what is going on in the render window doesnt happen in render.
Based on the default startup or an attached .blend file (as simple as possible).

**System Information** Operating system: Graphics card: **Blender Version** Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen) Worked: (2.7b) **Short description of error** Particles that are supposed to follow a mesh as setup using keyed settings, do not render correctly, sometimes the particles dont render in full and sometimes the particles freeze in place while the mesh they are supposed to follow keeps on moving. The render window shows the particles in correct place, but the render will render the particles in the last non glitched position. Changing the settings such as lifetime, amount etc will not do anything to change what is happening in engine.[Giant Oppressor man 2.8.blend](https://archive.blender.org/developer/F7032360/Giant_Oppressor_man_2.8.blend) **Exact steps for others to reproduce the error** 2.7 works just fine, porting projects to 2.8 produces glitched results. simply render at frame 550 and beyond and you will see that what is going on in the render window doesnt happen in render. Based on the default startup or an attached .blend file (as simple as possible).

Will commented

2019-05-13 03:45:39 +02:00

Added subscriber: @rockittt

blender-admin commented

2019-05-13 03:45:39 +02:00

#64712 was marked as duplicate of this issue

Sebastian Parborg commented

2019-06-11 16:45:56 +02:00

Added subscriber: @ZedDB

Sebastian Parborg commented

2019-06-11 16:45:56 +02:00

Is this still an issue with the latest beta? I tried rendering a few frames and the particle positions doesn't seem to be wrong.

Sebastian Parborg commented

2019-06-11 17:38:43 +02:00

Added subscriber: @brecht

Will commented

2019-06-12 14:02:26 +02:00

I have since had to do another scene in the same environment using the particles, When I try and render a movie, some frames skip out on some of the particles, some skip out on all the particles altogether leading to a very flickery special effect, to fix this I have to re render the scene without the backdrop and just the particles on their own with the render set to 1280 by 720 (Before I was using 1920 by 1080) it increases the chances of a successful render (lowering the output resolution improves its chances 4k is bad, 8k particles don’t even work at all 90 percent of the time, 720p they work 90 percent of the time) So I rerender the particles in 720p then composite them together for a less... flickery special effect.

Richard Antalik commented

2020-01-02 05:56:25 +01:00

Added subscriber: @iss

Richard Antalik commented

2020-01-02 05:56:25 +01:00

Changed status from 'Needs Developer To Reproduce' to: 'Needs User Info'

Richard Antalik commented

2020-01-02 05:56:25 +01:00

I cannot reproduce this with current development versions of Blender:

Please try the latest daily build: https://builder.blender.org/download/

If the problem persists, please give us more clear instructions on how to reproduce it - mainly frame range, where bug occurs and snapshot of what to look for.

I cannot reproduce this with current development versions of Blender: Please try the latest daily build: https://builder.blender.org/download/ If the problem persists, please give us more clear instructions on how to reproduce it - mainly frame range, where bug occurs and snapshot of what to look for.

Richard Antalik commented

2020-01-13 09:08:20 +01:00

Changed status from 'Needs User Info' to: 'Archived'

Richard Antalik closed this issue

2020-01-13 09:08:20 +01:00

Richard Antalik self-assigned this 2020-01-13 09:08:20 +01:00

Richard Antalik commented

2020-01-13 09:08:20 +01:00

Since last asking for information it has been 7 or more days, due to the policy of our bug tracker we will have to close the report.

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Freezeing keyed particle ststem #64535