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Won't Fix
Votes
0
Found in
2020.3.48f1
2021.3.25f1
2022.2.18f1
2023.1.0b16
2023.2.0a14
2023.3.0a3
Issue ID
UUM-35306
Regression
No
Rigidbody's Transform Component's Position values are being vertically set to "NaN" when calculating using Animator's FootIK
Reproduction steps:
1. Open the attached “Repro.zip” project
2. Open the “Assets/Scenes/SampleScene.unity” Scene
3. Enter the Play Mode
4. Observe the characters in the Scene View
5. Select the “Armature Variant(Clone)”, which is not red in the Scene View
6. Select it’s Left_LowerLeg GameObject in the Hierarchy window (Armature Variant(Clone) > Skeleton > Hips > Left_UpperLeg > Left_LowerLeg)
7. Observe the Transform Component’s Position values in the Inspector window
8. Select the “Armature Variant(Clone)”, which is highlighted in red in the Scene View
9. Repeat 6th and 7th steps
Expected result: Transform Component’s Position values are valid and the Skeleton’s left leg is pointed down
Actual result: Transform Component’s Position values are equal to “NaN” and the Skeleton’s left leg is pointed upwards clipping into the body
Reproducible with: 2020.3.48f1, 2021.3.25f1, 2022.2.18f1, 2023.1.0b16, 2023.2.0a14
Reproducible on: Windows 10 Pro (22H2)
Note: The amount of GameObjects affected is erratic, thus the same
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Resolution Note:
Thank you for bringing this issue to our attention. Unfortunately, after careful consideration we will not be addressing your issue at this time, as we are currently committed to resolving other higher-priority issues, as well as delivering the new animation system. Our priority levels are determined by factors such as the severity and frequency of an issue and the number of users affected by it. However we know each case is different, so please continue to log any issues you find, as well as provide any general feedback on our roadmap page to help us prioritize.
Forum announcement: https://forum.unity.com/threads/animation-status-update-q2-2023.1445425/
Roadmap: https://unity.com/roadmap/unity-platform/3d-characters-and-animation