slots/OptionPicker.cs

using Godot;
using System;

public partial class OptionPicker : Node2D
{
	// Called when the node enters the scene tree for the first time.
	public override void _Ready()
	{
	}

	// Called every frame. 'delta' is the elapsed time since the previous frame.
	public override void _Process(double delta)
	{
	}

	public void Reset()
	{
		foreach (Node child in GetChildren())
		{
            if (child is SlotSymbol slotSymbol)
			{
				slotSymbol.SetToRandom();
            }
        }
	}

	public void Show(bool visible = true)
	{
		foreach (CanvasItem child in GetChildren())
		{
            child.Visible = visible;
        }
	}

	public void Hide()
	{
		Show(false);
	}

	public const double SLIDE_DELAY = .15;
	public const double SLIDE_TIME = .25;
	public SlotSymbol Select(int index)
	{
		SlotSymbol child = GetChildren()[index+1] as SlotSymbol;
        var tween = CreateTween();
		tween.TweenInterval(SLIDE_DELAY);
        tween.TweenProperty(child, "position", child.Position - new Vector2(0, 180), SLIDE_TIME);
        tween.TweenCallback(Callable.From(Hide));
        tween.TweenProperty(child, "position", child.Position, 0);


        //Show(false);
        return child;
	}
}