osu/osu.Game/Graphics/UserInterface/LoadingAnimation.cs

65 lines
2.0 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Graphics.UserInterface
{
/// <summary>
/// A loading spinner.
/// </summary>
public class LoadingAnimation : VisibilityContainer
{
private readonly SpriteIcon spinner;
private readonly SpriteIcon spinnerShadow;
private const float spin_duration = 600;
private const float transition_duration = 200;
public LoadingAnimation()
{
Size = new Vector2(20);
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
Children = new Drawable[]
{
spinnerShadow = new SpriteIcon
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Position = new Vector2(1, 1),
Colour = Color4.Black,
Alpha = 0.4f,
Icon = FontAwesome.Solid.CircleNotch
},
spinner = new SpriteIcon
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Icon = FontAwesome.Solid.CircleNotch
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
spinner.Spin(spin_duration, RotationDirection.Clockwise);
spinnerShadow.Spin(spin_duration, RotationDirection.Clockwise);
}
protected override void PopIn() => this.FadeIn(transition_duration * 2, Easing.OutQuint);
protected override void PopOut() => this.FadeOut(transition_duration, Easing.OutQuint);
}
}