osu/osu.Game/Storyboards/Commands/StoryboardAlphaCommand.cs

24 lines
897 B
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.Transforms;
namespace osu.Game.Storyboards.Commands
{
public class StoryboardAlphaCommand : StoryboardCommand<float>
{
public StoryboardAlphaCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
: base(easing, startTime, endTime, startValue, endValue)
{
}
public override string PropertyName => nameof(Drawable.Alpha);
public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Alpha = StartValue;
public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
=> d.FadeTo(StartValue).Then().FadeTo(EndValue, Duration, Easing);
}
}