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osu-lazer/osu.Game.Rulesets.Osu/Skinning/Default/KiaiFlash.cs

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