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Fixed in 2022.1.X

Fixed in 2019.4.X, 2020.3.X, 2021.1.X, 2021.2.X

Votes

0

Found in

2018.4

2019.4

2020.3

2020.3.0f1

2021.1

2021.2

2022.1

Issue ID

1345964

Regression

No

Physics2D.SetLayerCollisionMask only affects the row in the 2D collision matrix

Physics2D

-

How to reproduce:
1. Open the attached project "Physics2D SetLayerCollisionMask Edit Mode Bug.zip"
2. Click Bug > Set Mask
3. Check the 2D collision matrix for MyLayer (Edit > Project Settings > Physics 2D)

Additionally:
1. Open the attached project "Physics2D SetLayerCollisionMask Edit Mode Bug.zip"
2. Open the "SampleScene" scene
3. Press Play, cubes collide and rest on each other (this won't happen if you saved the previous steps)
4. Click Bug > Set Mask
5. Cubes should pass through each other.

Expected result: All of the Checkboxes under MyLayer are unchecked
Actual result: Only the Default - MyLayer checkbox is unchecked

Reproducible with: 2018.4.34f1, 2019.4.28f1, 2020.3.13f1, 2021.1.14f1, 2021.2.0b2, 2022.1.0a1

  1. Resolution Note (fix version 2020.3):

    Fix for this issue is available on Unity 2020.3.27f1 and above

  2. Resolution Note (fix version 2019.4):

    Fix for this issue available on Unity 2019.4.35f1 and above

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Comments (1)

  1. MelvMay

    Feb 10, 2022 11:19

    Please note, for this fix to work you will need to reassert your settings in the Layer Collision Matrix to remove any corruption from its settings. You can do this by turning-off/on all checkboxes and selecting the settings you want.

    You can only toggle the ones that might not be working and they will be fixed for that layer however this won't fix any other corrupt layers.

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