// Update is called once per frame
    void Update()
    {
        float width = Mathf.Max(
            0,
            healthToWatch.getHealth() * maxSize / healthToWatch.getMaxHealth()
            );
        Vector2 newSize = new Vector2(width, transform.localScale.y);

        transform.localScale = newSize;
    }
    void updateWidth()
    {
        float healthRatio = actorHealth.getHealth() / (float)actorHealth.getMaxHealth();

        transform.localScale = new Vector2(healthRatio, transform.localScale.y);
    }