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Fixed in 2021.2.X
Fixed in 2020.3.X, 2021.1.X
Votes
1
Found in
2018.4
2019.4
2019.4.19f1
2020.3
2021.1
2021.2
Issue ID
1334367
Regression
No
RaycastHit2D Normal is incorrect when Physics2D.Raycast hits an EdgeCollider2D with a Rigidbody
How to reproduce:
1. Open the attached project "RaycastNormals.zip"
2. Open SampleScene
3. Enable Gizmos in the Game View
4. Click Play
5. Observe the drawn Raycast and its normal
6. Add a Rigidbody2D to the Edge Collider game object
7. Observe the drawn Raycast and its normal
Expected result: The normal does not change
Actual result: The normal points up, regardless of the edge collider rotation
Reproducible with: 2018.4.34f1, 2019.4.26f1, 2020.3.9f1, 2021.1.8f1, 2021.2.0a17
Workaround: Calculate the normals manually by using RaycastHit2D.collider.transform or use a small Edge Radius on the Edge Collider
Notes:
1. This does not reproduce with other 2D colliders
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Resolution Note (fix version 2021.2):
This has been fixed in Unity 2021.2.0a20 and 2021.1.11f1.