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25 lines
1.0 KiB
C#
25 lines
1.0 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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namespace osu.Game.Rulesets.UI.Scrolling.Algorithms
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{
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public class ConstantScrollAlgorithm : IScrollAlgorithm
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{
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public double GetDisplayStartTime(double time, double timeRange) => time - timeRange;
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public float GetLength(double startTime, double endTime, double timeRange, float scrollLength)
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{
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// At the hitobject's end time, the hitobject will be positioned such that its end rests at the origin.
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// This results in a negative-position value, and the absolute of it indicates the length of the hitobject.
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return -PositionAt(startTime, endTime, timeRange, scrollLength);
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}
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public float PositionAt(double time, double currentTime, double timeRange, float scrollLength)
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=> (float)((time - currentTime) / timeRange * scrollLength);
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public void Reset()
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{
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}
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}
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}
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