mirror of
https://github.com/ppy/osu.git
synced 2024-11-17 23:32:55 +08:00
33 lines
2.0 KiB
C#
33 lines
2.0 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
|
|
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
|
|
|
|
using System.Collections.Generic;
|
|
using osu.Game.Rulesets.Objects.Drawables;
|
|
using OpenTK;
|
|
|
|
namespace osu.Game.Rulesets.UI.Scrolling.Visualisers
|
|
{
|
|
public interface ISpeedChangeVisualiser
|
|
{
|
|
/// <summary>
|
|
/// Computes the states of <see cref="DrawableHitObject"/>s that remain constant while scrolling, such as lifetime and spatial length.
|
|
/// This is invoked once whenever <paramref name="timeRange"/> or <paramref name="length"/> changes.
|
|
/// </summary>
|
|
/// <param name="hitObjects">The <see cref="DrawableHitObject"/>s whose states should be computed.</param>
|
|
/// <param name="direction">The scrolling direction.</param>
|
|
/// <param name="timeRange">The duration required to scroll through one length of the screen before any speed adjustments.</param>
|
|
/// <param name="length">The length of the screen that is scrolled through.</param>
|
|
void ComputeInitialStates(IEnumerable<DrawableHitObject> hitObjects, ScrollingDirection direction, double timeRange, Vector2 length);
|
|
|
|
/// <summary>
|
|
/// Updates the positions of <see cref="DrawableHitObject"/>s, depending on the current time. This is invoked once per frame.
|
|
/// </summary>
|
|
/// <param name="hitObjects">The <see cref="DrawableHitObject"/>s whose positions should be computed.</param>
|
|
/// <param name="direction">The scrolling direction.</param>
|
|
/// <param name="currentTime">The current time.</param>
|
|
/// <param name="timeRange">The duration required to scroll through one length of the screen before any speed adjustments.</param>
|
|
/// <param name="length">The length of the screen that is scrolled through.</param>
|
|
void UpdatePositions(IEnumerable<DrawableHitObject> hitObjects, ScrollingDirection direction, double currentTime, double timeRange, Vector2 length);
|
|
}
|
|
}
|