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Code Issues Releases Wiki Activity

Update access to FrequencyAmplitudes via span

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This commit is contained in:
Dean Herbert 2020-06-23 21:33:03 +09:00
parent f2735a7797
commit 5cdabbc8bb
1 changed files with 5 additions and 13 deletions
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18
osu.Game/Screens/Menu/LogoVisualisation.cs
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@ -14,6 +14,7 @@ using osu.Game.Beatmaps;
using osu.Game.Graphics;
using System;
using osu.Framework.Allocation;
using osu.Framework.Audio.Track;
using osu.Framework.Bindables;
using osu.Framework.Utils;
@ -88,22 +89,13 @@ namespace osu.Game.Screens.Menu
var track = beatmap.Value.TrackLoaded ? beatmap.Value.Track : null;
var effect = beatmap.Value.BeatmapLoaded ? beatmap.Value.Beatmap?.ControlPointInfo.EffectPointAt(track?.CurrentTime ?? Time.Current) : null;
float[] temporalAmplitudes = track?.CurrentAmplitudes.FrequencyAmplitudes;
ReadOnlySpan<float> temporalAmplitudes = (track?.CurrentAmplitudes ?? ChannelAmplitudes.Empty).FrequencyAmplitudes.Span;
for (int i = 0; i < bars_per_visualiser; i++)
{
if (track?.IsRunning ?? false)
{
float targetAmplitude = (temporalAmplitudes?[(i + indexOffset) % bars_per_visualiser] ?? 0) * (effect?.KiaiMode == true ? 1 : 0.5f);
if (targetAmplitude > frequencyAmplitudes[i])
frequencyAmplitudes[i] = targetAmplitude;
}
else
{
int index = (i + index_change) % bars_per_visualiser;
if (frequencyAmplitudes[index] > frequencyAmplitudes[i])
frequencyAmplitudes[i] = frequencyAmplitudes[index];
}
float targetAmplitude = (temporalAmplitudes[(i + indexOffset) % bars_per_visualiser]) * (effect?.KiaiMode == true ? 1 : 0.5f);
if (targetAmplitude > frequencyAmplitudes[i])
frequencyAmplitudes[i] = targetAmplitude;
}
indexOffset = (indexOffset + index_change) % bars_per_visualiser;