duck

if (Vector3.Dot(truckDelta,stationRight) < 0) {

        // go anticlockwise
        print("anticlockwise");
        truckDirection = Vector3( -truckDelta.y, 0, truckDelta.x );


} else {

        // go clockwise
        print("clockwise");
        truckDirection = Vector3( truckDelta.y, 0, -truckDelta.x );

}