osu/osu.Game/Screens/Menu/FlowContainerWithOrigin.cs
2019-04-08 15:24:09 +09:00

37 lines
1.1 KiB
C#

// 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.
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osuTK;
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;
return CentreTarget.DrawPosition + CentreTarget.DrawSize / 2 * CentreTarget.Scale;
}
}
}
}