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Fixed
Fixed in 7.1.1, 9.1.1, 10.1.2
Votes
0
Found in [Package]
7.1.0
9.1.0
10.1.1
Issue ID
DANB-582
Regression
No
Rotating the IK bone chain in certain angles can cause it to flip 180º
This is previously reported by a user in the 2d forums:
https://forum.unity.com/threads/flip-bug-with-inverse-kinematics-limb-solver-2d.1520041/
Steps to reproduce:
1. Install Animation Samples from 2D Animation package
2. Open up "2 Part Swap" scene under "4 Sprite Swap" directory in the samples
3. In the scene editor, drag the "arm_l_ solver_Target" IKTarget around the joint slowly
Actual results: At certain narrow angles, it can be observed that the entire IK Rig flips
Expected results: It should not flip at all angles
Reproducible with versions: 2D Animation 9.1.0
Not reproducible with versions:
Can’t test with versions:
Tested on (OS): MacOS ARM
Notes:
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Resolution Note (fix version 10.1.2):
This is fixed on 2D Animation 10.1.2
Resolution Note (fix version 9.1.1):
Fixed for 2D Animation 9.1.1
Resolution Note (fix version 7.1.1):
Fixed for 2D Animation 7.1.1