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Question by Cobra117 · Jul 07 at 05:09 PM · quaternionvaluegyroscopephonegyro

How to get the value of the an angle of the Gyroscope?

I'm trying to get the value of the angle of my phone's gyroscope (and then I print it on a text on the screen) but I'm not able to do it. For what I've understood, I have to use a quaternion so how can I get the value of an angle of the gyro let's say for example in the y axis?

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Answer by Cobra117 · Jul 08 at 02:04 PM

I finally found how to do it! Once you've understound it's very simple you just get the values (all the axis) in the quaternion and then get a value into a float so you can get a specific axis, for now this not angle, this is value the seem to go from 0 to 1 (or -1 if depending in which you turn the phone) it shouldn't be very hard to get angle now.

So in void update:

//my quaternion

Ry = new Quaternion(gyroV.attitude.x, gyroV.attitude.y, gyroV.attitude.z, gyroV.attitude.w);

//my float that get the value of the z axis

RotationY = Ry.z;

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