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Fixed in 2021.2.X

Fixed in 2020.3.X, 2021.1.X

Votes

0

Found in

2018.4

2019.4

2020.3

2020.3.5f1

2021.1

2021.2

Issue ID

1339471

Regression

No

Hinge Joint 2D Component overextends Angle Limits when Motor Speed value is over 1015

Physics2D

-

Reproduction steps:
1. Open attached project "case_1339471-PinballFlipper.zip"
2. Open the Scene "SampleScene"
3. Make sure both Game view and Scene view are visible
4. Enter Play Mode
5. In the Hierarchy tab, select GameObject "Flipper"
6. Click anywhere in the Game view
7. Observe Angle Limits Gizmo in Scene view

Expected result: GameObject "Flipper" doesn't overextend Angle Limits
Actual result: GameObject "Flipper" overextends Angle Limits

Reproducible with: 2018.4.35f1, 2019.4.27f1, 2020.3.10f1, 2021.1.9f1, 2021.2.0a17

  1. Response avatar

    Resolution Note (fix version 2021.2):

    Updated Box2Ds b2RevoluteJoint which is used by the HingeJoint2D to the latest which has superior angular limit stability: https://github.com/erincatto/box2d/blob/95f74a46c077825478f989df6a81003ca538c2c2/src/dynamics/b2_revolute_joint.cpp

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