From a548269c341296145d5381ca6d1365640be50991 Mon Sep 17 00:00:00 2001 From: ekrctb Date: Mon, 7 Dec 2020 17:26:12 +0900 Subject: [PATCH] Fix scrolling hit object displayed in wrong position for one frame --- .../Scrolling/ScrollingHitObjectContainer.cs | 20 +++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs b/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs index 3a5e3c098f..289578f3d8 100644 --- a/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs +++ b/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs @@ -225,10 +225,19 @@ namespace osu.Game.Rulesets.UI.Scrolling hitObject.LifetimeStart = computeOriginAdjustedLifetimeStart(hitObject); toComputeLifetime.Clear(); + } - // only AliveObjects need to be considered for layout (reduces overhead in the case of scroll speed changes). + protected override void UpdateAfterChildrenLife() + { + base.UpdateAfterChildrenLife(); + + // We need to calculate hit object positions (including nested hit objects) as soon as possible after lifetimes + // to prevent hit objects displayed in a wrong position for one frame. + // Only AliveObjects need to be considered for layout (reduces overhead in the case of scroll speed changes). foreach (var obj in AliveObjects) { + updatePosition(obj, Time.Current); + if (layoutComputed.Contains(obj)) continue; @@ -293,15 +302,6 @@ namespace osu.Game.Rulesets.UI.Scrolling } } - protected override void UpdateAfterChildrenLife() - { - base.UpdateAfterChildrenLife(); - - // We need to calculate hitobject positions as soon as possible after lifetimes so that hitobjects get the final say in their positions - foreach (var obj in AliveObjects) - updatePosition(obj, Time.Current); - } - private void updatePosition(DrawableHitObject hitObject, double currentTime) { switch (direction.Value)