public void RefreshField(bool visible)
        {
            UpdateBackground();
            this.Children.Clear();
            if (this.Field != null)
            {
                this.Children.Add(background);
                if (visible)
                {
                    if (this.Field.Objects.Count > 0)
                    {
                        if (this.Field.Objects.Count == 1)
                        {
                            Image objectImage = ImageLoader.CreaObjectImage(Field.Objects[0]);
                            this.Children.Add(objectImage);
                        }
                        else
                        {
                            Image objectImage = ImageLoader.LoadImage("chest.png");
                            this.Children.Add(objectImage);
                        }
                    }
                    if (this.Field.Creature != null)
                    {
                        Image creatureImage = ImageLoader.CreateCreatureImage(this.Field.Creature);
                        this.Children.Add(creatureImage);
                        Line healthBar = new Line();
                        healthBar.Stroke          = Brushes.LightGreen;
                        healthBar.X1              = 2;
                        healthBar.Y1              = 2;
                        healthBar.X2              = ((double)this.Field.Creature.Health / this.Field.Creature.MaxHealth) * 30 + 2;
                        healthBar.Y2              = 2;
                        healthBar.StrokeThickness = 2;

                        this.Children.Add(healthBar);
                    }
                }
                else
                {
                    Rectangle rectangle = new Rectangle();
                    rectangle.Width   = 30;
                    rectangle.Height  = 30;
                    rectangle.Fill    = new SolidColorBrush(Colors.Black);
                    rectangle.Opacity = 0.5;
                    this.Children.Add(rectangle);
                }
            }
        }