// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>. // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using OpenTK; using OpenTK.Graphics; namespace osu.Game.Graphics.UserInterface { 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.fa_circle_o_notch }, spinner = new SpriteIcon { Anchor = Anchor.Centre, Origin = Anchor.Centre, RelativeSizeAxes = Axes.Both, Icon = FontAwesome.fa_circle_o_notch } }; } 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); } }