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osu-lazer/osu.Game/Screens/Play/HUD/ComboResultCounter.cs
2017-07-10 12:55:47 +09:00

56 lines
1.9 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Transforms;
using osu.Framework.MathUtils;
using osu.Game.Graphics.UserInterface;
namespace osu.Game.Screens.Play.HUD
{
/// <summary>
/// Used to display combo with a roll-up animation in results screen.
/// </summary>
public class ComboResultCounter : RollingCounter<ulong>
{
protected override Type TransformType => typeof(TransformComboResult);
protected override double RollingDuration => 500;
protected override EasingTypes RollingEasing => EasingTypes.Out;
protected override double GetProportionalDuration(ulong currentValue, ulong newValue)
{
return currentValue > newValue ? currentValue - newValue : newValue - currentValue;
}
protected override string FormatCount(ulong count)
{
return $@"{count}x";
}
public override void Increment(ulong amount)
{
Current.Value = Current + amount;
}
protected class TransformComboResult : Transform<ulong, Drawable>
{
public virtual ulong CurrentValue
{
get
{
double time = Time?.Current ?? 0;
if (time < StartTime) return StartValue;
if (time >= EndTime) return EndValue;
return (ulong)Interpolation.ValueAt(time, StartValue, EndValue, StartTime, EndTime, Easing);
}
}
public override void Apply(Drawable d) => ((ComboResultCounter)d).DisplayedCount = CurrentValue;
public override void ReadIntoStartValue(Drawable d) => StartValue = ((ComboResultCounter)d).DisplayedCount;
}
}
}