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osu-lazer/osu.Game/Screens/Menu/FlowContainerWithOrigin.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osuTK;
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namespace osu.Game.Screens.Menu
{
/// <summary>
/// A flow container with an origin based on one of its contained drawables.
/// </summary>
public class FlowContainerWithOrigin : FillFlowContainer
{
/// <summary>
/// A target drawable which this flowcontainer should be centered around.
/// This target should be a direct child of this FlowContainer.
/// </summary>
public Drawable CentreTarget;
protected override int Compare(Drawable x, Drawable y) => CompareReverseChildID(x, y);
public override Anchor Origin => Anchor.Custom;
public override Vector2 OriginPosition
{
get
{
if (CentreTarget == null)
return base.OriginPosition;
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return CentreTarget.DrawPosition + CentreTarget.DrawSize / 2 * CentreTarget.Scale;
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}
}
}
}