live2D (sdk가 6.5 미지원으로 sprite로 대응)

Assets/Live2D/Cubism/Framework/MotionFade/CubismFadeMath.cs

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