添加了部分界面

BITKit/Scripts/Extensions/Node.cs

@@ -27,4 +27,12 @@ public static partial class MathNode
         }
         return nodes.Distinct();
     }
+
+    public static void RemoveAllChild(Node self)
+    {
+        foreach (var x in self.GetChildren())
+        {
+            x.QueueFree();
+        }
+    }
 }