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osu-lazer/osu.Game/Rulesets/UI/Scrolling/ScrollingPlayfield.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.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Rulesets.Objects.Drawables;
using osuTK;
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namespace osu.Game.Rulesets.UI.Scrolling
{
/// <summary>
/// A type of <see cref="Playfield"/> specialized towards scrolling <see cref="DrawableHitObject"/>s.
/// </summary>
public abstract class ScrollingPlayfield : Playfield
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{
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protected readonly IBindable<ScrollingDirection> Direction = new Bindable<ScrollingDirection>();
[Resolved]
protected IScrollingInfo ScrollingInfo { get; private set; }
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[BackgroundDependencyLoader]
private void load()
{
Direction.BindTo(ScrollingInfo.Direction);
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}
/// <summary>
/// Given a position in screen space, return the time within this column.
/// </summary>
public virtual double TimeAtScreenSpacePosition(Vector2 screenSpacePosition) =>
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((ScrollingHitObjectContainer)HitObjectContainer).TimeAtScreenSpacePosition(screenSpacePosition);
/// <summary>
/// Given a time, return the screen space position within this column.
/// </summary>
public virtual Vector2 ScreenSpacePositionAtTime(double time)
=> ((ScrollingHitObjectContainer)HitObjectContainer).ScreenSpacePositionAtTime(time);
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protected sealed override HitObjectContainer CreateHitObjectContainer() => new ScrollingHitObjectContainer();
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}
}