public override void Update()
    {
        if (stomach_bubbles_.Count < StomachLevel.MAX_STOMACH_BUBBLES)
        {
            Debug.Log("less stomach bubbles than max amount");
            float new_bubble_chance = Random.value;
            if (new_bubble_chance > .5f)
            {
                Debug.Log("Creating a new bubble");
                StomachBubble new_bubble = new StomachBubble();
                stomach_bubbles_.Add(new_bubble);

                float x_pos = Random.value;
                float y_pos = Random.value;

                new_bubble.SetPosition(x_pos * bubble_container_size_.width + bubble_container_size_.xMin,
                                       y_pos * bubble_container_size_.height + bubble_container_size_.yMin);
                bubbles_container_.AddChild(new_bubble);
            }
        }

        for (int b = stomach_bubbles_.Count - 1; b >= 0; b--)
        {
            StomachBubble bubble = stomach_bubbles_[b];
            if (bubble.Finished)
            {
                bubbles_container_.RemoveChild(bubble);
                stomach_bubbles_.Remove(bubble);
            }
        }
    }
    public override void Update()
    {
        if(stomach_bubbles_.Count < StomachLevel.MAX_STOMACH_BUBBLES)
        {
            Debug.Log("less stomach bubbles than max amount");
            float new_bubble_chance = Random.value;
            if(new_bubble_chance > .5f)
            {
                Debug.Log("Creating a new bubble");
                StomachBubble new_bubble = new StomachBubble();
                stomach_bubbles_.Add(new_bubble);

                float x_pos = Random.value;
                float y_pos = Random.value;

                new_bubble.SetPosition(x_pos*bubble_container_size_.width + bubble_container_size_.xMin,
                    y_pos*bubble_container_size_.height + bubble_container_size_.yMin);
                bubbles_container_.AddChild(new_bubble);
            }
        }

        for(int b = stomach_bubbles_.Count-1; b >= 0; b--)
        {
            StomachBubble bubble = stomach_bubbles_[b];
            if(bubble.Finished)
            {
                bubbles_container_.RemoveChild(bubble);
                stomach_bubbles_.Remove(bubble);
            }
        }
    }