地理的北極に基づく度単位の進行方向 (読み取り専用)
The value in this property is always measured relative to the top
of the screen in its current orientation.
Note, that if you want this property to contain a valid value, you
must also enable location updates by calling
Input.location.Start(). (Read Only)
function Update() {
// Orient an object to point northward.
transform.rotation = Quaternion.Euler(0, -Input.compass.trueHeading, 0);
}