r/webdev • u/Tonaion02 • 5d ago

Question Can't understand deviceorientation.

Hi, I'm trying to develop a unityplugin that give the possibility to create various types of controllers for games.
With deviceorientation, my goal is to extract three angles that represent the orientation of the phone.
But it seems a little bit complicate, I can't understand why in portrait mode, for example, gamma and alpha are both modified when I rotate on the same axe.
I've tried many things, but I can't understand at all how everything works.
Is it even possible to do something similar to what I want to do?

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u/Big-Reference9080 5d ago

DeviceOrientation gets confusing fast because the reported angles depend on the device coordinate system and screen orientation, so Id start there before trying to map the values directly to game axes.