protected override void updateCameraProjection(AirVRClientConfig config, float[] projection)
{
var projectionMatrix = AirVRClientConfig.CalcCameraProjectionMatrix(projection, camera.nearClipPlane, camera.farClipPlane);
#if UNITY_2018_2_OR_NEWER
var props = AirVRClientConfig.CalcPhysicalCameraProps(projection);
camera.usePhysicalProperties = true;
camera.focalLength = props.focalLength;
camera.sensorSize = props.sensorSize;
camera.lensShift = props.lensShift;
camera.aspect = props.aspect;
camera.gateFit = Camera.GateFitMode.None;
#else
camera.projectionMatrix = projectionMatrix;
#endif
}