mirror of https://github.com/ppy/osu
37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Difficulty.Skills
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{
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/// <summary>
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/// Represents the skill required to correctly aim at every object in the map with a uniform CircleSize and normalized distances.
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/// </summary>
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public class Aim : Skill
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{
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private const double min_angle_bonus = 0;
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private const double max_angle_bonus = 0.5;
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private const double angle_bonus_begin = 5 * Math.PI / 12;
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private const double pi_over_2 = Math.PI / 2;
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protected override double SkillMultiplier => 26.25;
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protected override double StrainDecayBase => 0.15;
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protected override double StrainValueOf(OsuDifficultyHitObject current)
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{
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double angleBonus = 0;
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if (current.Angle != null)
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angleBonus = MathHelper.Clamp((current.Angle.Value - angle_bonus_begin) / pi_over_2, min_angle_bonus, max_angle_bonus);
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return (angleBonus * Math.Pow(Math.Max(0, current.JumpDistance - STREAM_SPACING_THRESHOLD), 0.99)
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+ Math.Pow(current.TravelDistance, 0.99)
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+ Math.Pow(current.JumpDistance, 0.99)
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) / current.StrainTime;
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}
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}
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}
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