基础内容

必要插件安装
缓动曲线和动画基础
ElementFolder，Track与其次级模块，PathNode重构

Assets/Plugins/UniRx/Scripts/System/IObservable.cs

@@ -0,0 +1,23 @@
+// defined from .NET Framework 4.0 and NETFX_CORE
+
+using System;
+
+#if !(NETFX_CORE || NET_4_6 || NET_STANDARD_2_0 || UNITY_WSA_10_0)
+
+namespace UniRx
+{
+    public interface IObservable<T>
+    {
+        IDisposable Subscribe(IObserver<T> observer);
+    }
+}
+
+#endif
+
+namespace UniRx
+{
+    public interface IGroupedObservable<TKey, TElement> : IObservable<TElement>
+    {
+        TKey Key { get; }
+    }
+}