Unity Get Angle of Transform to Self

gistfile1.cs

  public static float GetAngleOfTransformToSelf(Transform other, Transform origin, bool debug) {
    var angle = (Math.Atan2(other.position.z - origin.position.z, other.position.x - origin.position.x)*Mathf.Rad2Deg);
    angle += origin.rotation.eulerAngles.y;
    angle -= 90;
    while (angle > 180) angle -= 360;
    if (!debug) return (float) angle;

    Debug.Log(string.Format("angle orgin {0} to {1} : {2}", origin, other, angle), origin);
    Debug.DrawLine(origin.position, other.position, Color.white, 1.0f);
    return (float)angle;
  }