// method: change the direction reference transform to the player head transform for the left treader // public static void changeDirectionReferenceTransformToHeadForLeft() => left.changeDirectionReferenceTransformToHead();
// method: change the direction reference transform to the player head transform for the given treader // public static void changeDirectionReferenceTransformToHeadForTreader(Treader treader) => treader.changeDirectionReferenceTransformToHead();