About rotation order

[canlang]

https://github.com/SceneView/sceneform-android/blob/ba2c818151b91296f048711f494e1acc239ff809/core/src/main/java/com/google/ar/sceneform/math/Quaternion.java#L388

Hello! The document said the order of Euler rotation is ZYX, but it seemed like the rotation order is applied with ZXY. I think the code is rotating Z axis quaternion first, then rotating X axis quaternion, and then Y. Am I wrong? I appreciate your help

[grassydragon]

Hi! I haven't tested it but looking at the multiply method documentation it seems that the order is ZXY: https://github.com/SceneView/sceneform-android/blob/ba2c818151b91296f048711f494e1acc239ff809/core/src/main/java/com/google/ar/sceneform/math/Quaternion.java#L233

[grassydragon]

So yes, you are probably right.

[canlang]

Thanks for your check!

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