Check devices motions -> pitch, roll and yaw SWIFT

CheckDeviceMotion.swift

    import CoreMotion // Import CoreMotion (header)
   
    // Class vars
    var pitch = 0.0
    var attitude: CMAttitude?
    var roll = 0.0
    var yaw = 0.0
    let motionManager = CMMotionManager() // Create motionManager instance 


    // Func to get degrees from a double - use if you want to do something like if your user lifts up device (see below)
    func degrees(radians:Double) -> Double {
        return 180 / M_PI * radians
    }
    
    func checkPitch(deviceMotion:CMDeviceMotion) {
         attitude = deviceMotion.attitude
         roll = degrees(attitude!.roll)
         yaw = degrees(attitude!.yaw)
         pitch = degrees(attitude!.pitch)
         print("Roll: \(roll)n/Pitch: \(pitch)n/Yaw: \(yaw)")
             // Check if device has been raised vertically (you can also check for any or a combination of the attitudes)
             if pitch >= 85.0 {
                 motionManager.stopDeviceMotionUpdates()
                 print("Device is nearly vertical. Yay!")
                }
            }
            
            
     func updateDeviceMotions() {
         motionManager.deviceMotionUpdateInterval = 0.05 //  Change to whatever suits your app - milli-seconds
         motionManager.startDeviceMotionUpdatesToQueue(NSOperationQueue.currentQueue()!, withHandler: {
             (deviceMotion, error) -> Void in
                 if(error == nil) {
                     self.checkPitch(deviceMotion!)
                  } else {
                    // Do something if theres an error
                      }
                  })
              }
              
              
              // Call this when you want to start the function
              motionManager.startDeviceMotionUpdates()