rotation_count.cs

public float totalChange = 0;
public float lastAzimuth = -1000;
public int r_count = 0;

private void FixedUpdate()
{
    if (joycons.Count > 0)
    {
        Joycon j = joycons[jc_ind];

        float rotatation = j.GetVector().eulerAngles.y;

        //if (init_rotation == 0f || rotatation == -1)
        //{
        //    init_rotation = rotatation;
        //    return;
        //}
        
        float diff;
        float az = rotatation;


        if (az > 180) az -= 360;   // do this if your azimuth is always positive i.e. 0-360.

        if (lastAzimuth == -1000)
        {
            lastAzimuth = az;
        }

        diff = az - lastAzimuth;
        if (diff > 180)
            diff -= 360;
        if (diff < -180)
            diff += 360;

        lastAzimuth = az;
        totalChange += diff;
        r_count = Convert.ToInt32(totalChange / 360); // CountTurns
    }
}