osu/osu.Game/Storyboards/IStoryboardElementWithDurat...

30 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.
namespace osu.Game.Storyboards
{
/// <summary>
/// A <see cref="IStoryboardElement"/> that ends at a different time than its start time.
/// </summary>
public interface IStoryboardElementWithDuration : IStoryboardElement
{
/// <summary>
/// The time at which the <see cref="IStoryboardElement"/> ends.
/// This is consumed to extend the length of a storyboard to ensure all visuals are played to completion.
/// </summary>
double EndTime { get; }
/// <summary>
/// The time this element displays until.
/// This is used for lifetime purposes, and includes long playing animations which don't necessarily extend
/// a storyboard's play time.
/// </summary>
double EndTimeForDisplay { get; }
/// <summary>
/// The duration of the StoryboardElement.
/// </summary>
double Duration => EndTime - StartTime;
}
}