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Code Issues Releases Wiki Activity

Adjust height transition

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This commit is contained in:
smoogipoo 2020-02-20 13:48:34 +09:00
parent 1935a14288
commit 00d8be9235
1 changed files with 13 additions and 3 deletions
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16
osu.Game/Overlays/BeatmapListingOverlay.cs
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@ -125,8 +125,6 @@ namespace osu.Game.Overlays
{
AutoSizeAxes = Axes.Y,
RelativeSizeAxes = Axes.X,
AutoSizeEasing = Easing.Out,
AutoSizeDuration = 200,
Padding = new MarginPadding { Horizontal = 20 },
}
}
@ -231,7 +229,19 @@ namespace osu.Game.Overlays
private void addContentToPlaceholder(Drawable content)
{
currentContent?.FadeOut(100, Easing.OutQuint).Expire();
Drawable lastContent = currentContent;
if (lastContent != null)
{
lastContent.FadeOut(100, Easing.OutQuint).Expire();
// Consider the case when the new content is smaller than the last content.
// If the auto-size computation is delayed until fade out completes, the background remain high for too long making the resulting transition to the smaller height look weird.
// At the same time, if the last content's height is bypassed immediately, there is a period where the new content is at Alpha = 0 when the auto-sized height will be 0.
// To resolve both of these issues, the bypass is delayed until a point when the content transitions (fade-in and fade-out) overlap and it looks good to do so.
lastContent.Delay(25).Schedule(() => lastContent.BypassAutoSizeAxes = Axes.Y);
}
panelsPlaceholder.Add(currentContent = content);
currentContent.FadeIn(200, Easing.OutQuint);
}