Unity Project

reference
https://cardgames.io/yahtzee/

Library/PackageCache/com.unity.timeline@1.2.15/Editor/treeview/Snapping/IAttractable.cs

@@ -0,0 +1,21 @@
+namespace UnityEditor.Timeline
+{
+    enum AttractedEdge
+    {
+        None,
+        Left,
+        Right
+    }
+
+    interface IAttractable
+    {
+        bool ShouldSnapTo(ISnappable snappable);
+        double start { get; }
+        double end { get; }
+    }
+
+    interface IAttractionHandler
+    {
+        void OnAttractedEdge(IAttractable attractable, ManipulateEdges manipulateEdges, AttractedEdge edge, double time);
+    }
+}