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Fixed in 2022.2.X

Fixed in 2020.3.X, 2021.2.X, 2022.1.X



Found in


Issue ID




Error thrown when disabling rigidbody with a custom inertia tensor and constraint



To reproduce:
- Open Assets/Scenes/SampleScene.unity
- Enter play mode
- Select the "Cube" gameobject and set it to inactive
- Observe the "Inertia tensor must be larger than zero in all coordinates." error in console

Expected result: No errors in the console
Actual result: "Inertia tensor must be larger than zero in all coordinates." error is thrown.

  1. Resolution Note (fix version 2022.2):

    Fixed in 2022.2.0a4

    Setting inertia tensor to be equal to zero is now supported. Since zero can never be a valid inertia tensor component from a physics standpoint, the physics engine interprets zeros as infinite values instead. So, for example, a body with (0, 1, 1) inertia tensor is going to be infinitely hard to rotate around X.

  2. Resolution Note (fix version 2022.1):

    Fixed in 2022.1.0b9

  3. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.13f1

  4. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.31f1

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