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osu-lazer/osu.Game.Rulesets.Osu/Skinning/Default/KiaiFlash.cs
2022-11-27 00:00:27 +09:00

45 lines
1.3 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 System;
using osu.Framework.Audio.Track;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Shapes;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Graphics.Containers;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Osu.Skinning.Default
{
public partial class KiaiFlash : BeatSyncedContainer
{
private const double fade_length = 80;
private const float flash_opacity = 0.25f;
public KiaiFlash()
{
EarlyActivationMilliseconds = 80;
Blending = BlendingParameters.Additive;
Child = new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.White,
Alpha = 0f,
};
}
protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, ChannelAmplitudes amplitudes)
{
if (!effectPoint.KiaiMode)
return;
Child
.FadeTo(flash_opacity, EarlyActivationMilliseconds, Easing.OutQuint)
.Then()
.FadeOut(Math.Max(fade_length, timingPoint.BeatLength - fade_length), Easing.OutSine);
}
}
}