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Fixed in 2020.1.X
Votes
1
Found in
2017.4.0f1
2018.4.0f1
2019.2.0a1
2019.2.1f1
2019.3.0a1
2020.1.0a1
Issue ID
1177775
Regression
No
[iOS 13.0] Rotations around Device Y-axis does not work when rotating a Device
The API for the Gyroscope doesn't work correctly in current (Beta) versions of iOS 13 and iPadOS 13. Running the same code on iOS 12.x devices run just fine, but on iOS 13 and iPadOS 13 devices, the functionality of the Gyroscope is completely lost: rotations around devices Y-axis do not work at all, and in Landscape mode there's a quick flip between positive X direction and negative X direction when moving from negative Y to vertical Y or vice versa.
To reproduce:
1. Download attached "GyroscopeTest.zip" project and open in Unity
2. Build for iOS
3. Deploy the Xcode project to the iOS device
4. Rotate Device to the Left and Right
Expected results: Scene rotates as you rotate Device
Actual results: Scene does not rotate when you rotating Device
Notes:
- This issue happens only on iOS with 13.0 and above version
- This issue does not reproduce on Android (Mono and IL2CPP) and iOS 12.x and lower
Tested with:
- iPhone 7, iOS: 12.3.1 - Not Reproduced
- iPhone 8 Plus, iOS: 12.0 - Not Reproduced
- iPhone X, iOS: 11.3.1 - Not Reproduced
- iPhone XR, iOS: 12.0 - Not Reproduced
- iPad Pro 3rd Gen, iOS: 13.0 - Reproduced
Reproduced on Unity 2017.4.0f1, 2017.4.32f1, 2018.4.8f1, 2019.2.6f1, 2019.3.0b3 and 2020.1.0a4
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Deankovitch
Jun 09, 2020 00:27
For all those who are facing this issue, I developed a workaround using ARHS algorithm.
Access the following repo to get these scripts.
https://github.com/Deankovitch/UnityGyroAccelCamera.git
makaka-org
May 21, 2020 21:39
Adding: Unity 2019.3.13
makaka-org
May 21, 2020 21:39
Samsung A71 with Android 10 also has strange behavior around Y rotation.
iPhone XS Max & iOS 13.4 works normally.
ZestyVesty
May 20, 2020 17:16
I have been trying to get the gyroscope on iOS 13 to work in Unity 2020.1.0b6, however I am encountering the exact issues as described in this post. Are there any solutions to the problem yet? Or is it still broken in Unity?