Version: 2017.3
public float trueHeading ;

Descripción

El rumbo (heading) en grados relativo al Polo Norte geográfico. (Read Only)

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);
    }