public void RotateAndMove()
{
// rotate head (... TODO: something not right with this)
Vector3 mousePos = mainCam.ScreenToWorldPoint(Input.mousePosition);
float angle = Mathf.Atan2(mousePos.x, mousePos.y) * Mathf.Rad2Deg;
transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward * -1); // -1 for inverted z-axis
MultiPlayerController childScript = this.transform.GetChild(0).GetComponent <MultiPlayerController>();
float speed = childScript.GetSpeed();
//Debug.Log(speed);
// move head
//transform.position = Vector2.MoveTowards(transform.position, mousePos, GetSpeed());
transform.position = Vector2.MoveTowards(transform.position, mousePos, speed);
}