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Fixed in 2020.1.X

Fixed in 2018.4.X, 2019.3.X

Votes

56

Found in

2018.3.0b1

2018.3.0b2

2019.1.0a1

2020.1.0a1

Issue ID

1081596

Regression

No

Billboard Particle System rolls in the Game View with "Allow Roll" disabled when a Camera is rotating around it

Visual Effects - Legacy

-

Repro steps:
1. Open user attached project
2. Enter Play Mode
3. Observe the Game View

Expected: The Camera rotates around the cloud without it rotating itself
Actual: The cloud rotates from time to time and only in the Game View

Reproducible with: 2018.3.0b2, 2019.1.0a1
Not reproducible with: 2017.4.11f1, 2018.2.9f1

  1. richardkettlewell

    Oct 28, 2019

    We are investigating ways to address this issue but it is not trivial, so a fix may not come in the short term.

    For anyone hitting this issue, we advise reverting to the scripting method mentioned here: https://forums.oculusvr.com/developer/discussion/5998/hmd-roll-and-particles

    If using Unity 2019, rewriting it to use the C# Job System with Burst will make it run very efficiently. Details on that API can be found here: https://forum.unity.com/threads/particle-system-c-job-system-support.529284/

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Comments (23)

  1. Mandarb

    Aug 19, 2020 21:23

    I still have this issue in Unity 2020.1. (The particles sometimes roll uncontrollably while I turn the camera, even though "allow roll" is disabled.)

  2. VERYVVVVVV

    Aug 18, 2020 06:39

    still an issue in 2018.4.25f1
    z rotate is fixed but x,y rotate still occurs

  3. mattxreality

    Dec 06, 2019 03:14

    I'm experiencing the same issue with particle rotation when tilting the HDM. I've added my vote to this issue. As the rest, I'm absolutely stunned that this hasn't been fixed in a very long time. If there is no fix, Unity should CLEARLY identify and document a work-around. Visual fidelity is key to VR experience development. Especially for those working to ensure content is built with quality visuals. Remove this issue and you will have opened a new set of creative possibilities for the VR developer community.

  4. mkroll

    Nov 08, 2019 07:29

    2019.3.0b10 :)

    And pretty much every version between 2018.4 - 2019.2 i tried.

  5. scotsdez

    Sep 28, 2019 11:23

    Experiencing this issue with 2019.2.3f1.

  6. ilhomparisi

    Sep 27, 2019 17:38

    *1 YEAR LATER*

  7. ilhomparisi

    Sep 27, 2019 16:45

    I'll give you all my 9 votes. fix it please

  8. ehdeekay

    Sep 05, 2019 17:14

    Still an issue with 2019.1.7f1

  9. MikeDaoust

    Sep 05, 2019 17:13

    2019.1.14 and onwards, still an ongoing issue and still a major roadblock in our development.

  10. Milan-Sadariya

    Aug 27, 2019 12:17

    Not working with 2018.4.5f1 also.

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