如何防止SceneKit在设备旋转时更改摄像头的视场/位置？

import CoreMotion

let motionManager = CMMotionManager()

if motionManager.isGyroAvailable {
    motionManager.startGyroUpdates()
}

func renderer(_ renderer: SCNSceneRenderer, updateAtTime time: TimeInterval) {
    guard let gyroData = motionManager.gyroData else {
        return
    }
    
    // 根据陀螺仪数据来调整摄像头节点的旋转
    let rotationRate = SCNVector3(gyroData.rotationRate.x, gyroData.rotationRate.y, gyroData.rotationRate.z)
    cameraNode.rotation = SCNVector4(rotationRate.x, rotationRate.y, rotationRate.z, gyroData.rotationRate.w)
}

func renderer(_ renderer: SCNSceneRenderer, didApplyAnimationsAtTime time: TimeInterval) {
    guard let gyroData = motionManager.gyroData else {
        return
    }
    
    // 根据陀螺仪数据来调整摄像头节点的位置和视场
    let rotationRate = SCNVector3(gyroData.rotationRate.x, gyroData.rotationRate.y, gyroData.rotationRate.z)
    let translationRate = SCNVector3(0.0, 0.0, -0.1) // 调整摄像头的位置，例如向后移动0.1单位
    cameraNode.rotation = SCNVector4(rotationRate.x, rotationRate.y, rotationRate.z, gyroData.rotationRate.w)
    cameraNode.position += translationRate
    cameraNode.camera?.fieldOfView = 60.0 // 调整摄像头的视场为60度
}