35 lines
959 B
C#
35 lines
959 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace TJAPlayer3.Animations
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{
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/// <summary>
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/// フェードアウトを行うクラス。
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/// </summary>
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internal class FadeOut : Animator
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{
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/// <summary>
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/// フェードアウトを初期化します。
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/// </summary>
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/// <param name="timems">フェードアウトに掛ける秒数(ミリ秒)</param>
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public FadeOut(int timems) : base(0, timems - 1, 1, false)
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{
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TimeMs = timems;
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}
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/// <summary>
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/// フェードアウトの不透明度を255段階で返します。
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/// </summary>
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/// <returns>不透明度。</returns>
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public override object GetAnimation()
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{
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var opacity = (TimeMs - base.Counter.n現在の値) * 255 / TimeMs;
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return opacity;
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}
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private readonly int TimeMs;
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}
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}
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