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Replace piecewise linear function

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smoogipoo
2018-12-18 09:38:02 +09:00
parent 4b0cad1455
commit d74652a4f7
1 changed files with 2 additions and 16 deletions
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18
osu.Game.Rulesets.Osu/Difficulty/Skills/Speed.cs
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@ -1,6 +1,7 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>. // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Game.Rulesets.Osu.Difficulty.Preprocessing; using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
namespace osu.Game.Rulesets.Osu.Difficulty.Skills namespace osu.Game.Rulesets.Osu.Difficulty.Skills
@ -14,26 +15,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
protected override double StrainDecayBase => 0.3; protected override double StrainDecayBase => 0.3;
private const double single_spacing_threshold = 125; private const double single_spacing_threshold = 125;
private const double stream_spacing_threshold = 110;
private const double almost_diameter = 90;
protected override double StrainValueOf(OsuDifficultyHitObject current) protected override double StrainValueOf(OsuDifficultyHitObject current)
{ {
double distance = current.TravelDistance + current.JumpDistance; double distance = current.TravelDistance + current.JumpDistance;
return (1 + Math.Pow(distance / single_spacing_threshold, 4)) / current.StrainTime;
double speedValue;
if (distance > single_spacing_threshold)
speedValue = 2.5;
else if (distance > stream_spacing_threshold)
speedValue = 1.6 + 0.9 * (distance - stream_spacing_threshold) / (single_spacing_threshold - stream_spacing_threshold);
else if (distance > almost_diameter)
speedValue = 1.2 + 0.4 * (distance - almost_diameter) / (stream_spacing_threshold - almost_diameter);
else if (distance > almost_diameter / 2)
speedValue = 0.95 + 0.25 * (distance - almost_diameter / 2) / (almost_diameter / 2);
else
speedValue = 0.95;
return speedValue / current.StrainTime;
} }
} }
} }