[英]How to determine device location using CoreMotion framework?
例如:app正在運行,我們初始化了起始坐標( x=0, y=0, z=0
),並且坐標系在啟動時等於設備坐標系,然后必須將其固定即不附加到設備。 我想在每次這樣觸發MotionManager
事件時確定x, y, z
:
motionManager.startDeviceMotionUpdates(to: OperationQueue.current!) { data, error in
x = ...
y = ...
z = ...
}
但是我不知道該怎么做。
提前致謝!
像這樣使用它:
motionManger.startDeviceMotionUpdates(to: OperationQueue.current!) { (deviceMotion, deviceMotionError) in
self.handleDeviceMotionUpdates(deviceMotion!)
}
func handleDeviceMotionUpdates(_ deviceMotion: CMDeviceMotion){
let acceleration = deviceMotion.gravity
print("Acceleration X>\(acceleration.x) Y>\(acceleration.y) Z>\(acceleration.z)\n")
let userAcceleration = deviceMotion.userAcceleration
print("User Acceleration X>\(userAcceleration.x) Y>\(userAcceleration.y) Z>\(userAcceleration.z)\n")
}
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