30 lines
814 B
C#
30 lines
814 B
C#
/**
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* Copyright(c) Live2D Inc. All rights reserved.
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*
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* Use of this source code is governed by the Live2D Open Software license
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* that can be found at https://www.live2d.com/eula/live2d-open-software-license-agreement_en.html.
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*/
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using System;
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namespace Live2D.Cubism.Framework.MotionFade
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{
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public static class CubismFadeMath
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{
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/// <summary>
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/// Calculate the easing processed signaure.
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/// </summary>
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/// <param name="value">Value to be subjected to easing.</param>
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/// <returns>Eased sign value.</returns>
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public static float GetEasingSine(float value)
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{
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if (value < 0.0f) return 0.0f;
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if (value > 1.0f) return 1.0f;
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return (float)(0.5f - 0.5f * Math.Cos(value * (float)Math.PI));
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}
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}
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}
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