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By Design
Votes
0
Found in
2017.4
2019.2.0f1
2020.1
Issue ID
1207480
Regression
Yes
Animation window preview shows humanoid character legs bent backwards when IK is enabled
Steps to reproduce:
1. Download and open attached "FeetBug" project
2. In the Project window select "Humanoid Bot", then "Avatar", then "New Animation"
3. In the Animation preview window press "IK" button
Expected result: The character's legs in the Animation Preview window doesn't bend backwards
Actual result: The character's legs in the Animation Preview window bends backwards
Reproducible with: 2017.4.36f1, 2018.4.15f1, 2019.2.17f1, 2019.3.0f4, 2020.1.0a18
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Resolution Note (2020.1.X):
in the provided animation character hips are located at (0,0,0), and there are no IK curve except the left foot whose IK target is animated in (0,0,0), which is the default value. So inevitably, enabling IK on feet in the preview window will try to solve IK so that feet both reach (0,0,0) which is the hips location, bending legs in the process