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Fixed

Fixed in 2020.3.38f1, 2021.3.9f1, 2022.1.12f1, 2022.2.0b4, 2023.1.0a1

Votes

24

Found in

2019.4.40f1

2020.3.35f1

2021.3.5f1

2022.1.5f1

2022.2.0a17

2023.1.0a1

Issue ID

UUM-6271

Regression

No

Physics overlap queries are not consistent when used against convex Mesh Colliders with a very small scale

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Reproduction steps:
1. Open the attached 'ComputePenetrationTesting' project
2. Open the 'SampleScene'
3. Enter the Play mode
4. Observe the Console, note that collision is detected
5. While in Play mode, in the Scene View move the movingTestObject slightly inside the staticTestObject
6. Observe the Console

Expected result: the collision is always detected when the movingTestObject overlaps the staticTestObject
Actual result: the collision is not always detected when objects overlap

Reproducible with: 2019.4.34f1, 2020.3.25f1, 2021.2.7f1, 2022.1.0b2

  1. Resolution Note (fix version 2022.2.0b4):

    Fixed in 2022.2.0b4

  2. Resolution Note (fix version 2022.1.12f1):

    Fixed in 2022.1.13f1

  3. Resolution Note (fix version 2020.3.38f1):

    Fixed in 2020.3.38f1

Comments (2)

  1. Santa

    Aug 25, 2022 14:09

    This bug is NOT totally fixed.

    It was combined with other bug and second part of it is still a bug.
    I've submitted it here:
    'New Incident created: IN-14809 - Physics overlap with convex Mesh __STILL__ don't work'
    unity3d.atlassian.net/servicedesk/customer/portal/2/IN-14809

    Previously it was here:
    https://fogbugz.unity3d.com/default.asp?1385191_r7rsvj2flo90mb4f

    Please keep it open!
    24 votes is difficult to collect again.

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