// 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; } }