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44 lines
1.2 KiB
C#
44 lines
1.2 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input.Events;
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using osuTK;
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namespace osu.Game.Tournament.Screens.Ladder
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{
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public class ScrollableContainer : Container
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{
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protected override bool OnDragStart(DragStartEvent e) => true;
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public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
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private Vector2 target;
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private float scale = 1;
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protected override bool OnDrag(DragEvent e)
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{
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this.MoveTo(target += e.Delta, 1000, Easing.OutQuint);
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return true;
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}
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protected override bool OnScroll(ScrollEvent e)
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{
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var newScale = scale + e.ScrollDelta.Y / 15 * scale;
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this.MoveTo(target = target - e.MousePosition * (newScale - scale), 1000, Easing.OutQuint);
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this.ScaleTo(scale = newScale, 1000, Easing.OutQuint);
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return true;
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}
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protected override void Update()
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{
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base.Update();
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Invalidate();
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}
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}
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}
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