//switch naar add meal menu
    public void add_meal()
    {
        string name   = input_name.GetComponent <InputField>().text;
        double fat    = Convert.ToDouble(input_fat.GetComponent <InputField>().text);
        double prot   = Convert.ToDouble(input_prot.GetComponent <InputField>().text);
        double health = Convert.ToDouble(input_health.GetComponent <InputField>().text);
        double carb   = Convert.ToDouble(input_carb.GetComponent <InputField>().text);
        double kcal   = Convert.ToDouble(input_kcal.GetComponent <InputField>().text);

        consumption_container.add_meal(new logic.meal(name, kcal, health, fat, carb, prot));
    }