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Scripts/Extensions/Node.cs

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+using System.Collections.Generic;
+using System.Linq;
+using Godot;
+
+namespace BITKit;
+/// <summary>
+/// 为Godot.Node提供数学工具
+/// </summary>
+public static partial class MathNode
+{
+    /// <summary>
+    /// 获取Node下所有的子Node节点
+    /// </summary>
+    /// <param name="self">Root Node</param>
+    /// <returns></returns>
+    public static IEnumerable<Node> GetAllNode(Node self)
+    {
+        List<Node> nodes = new() { self };
+        For(self);
+        void For(Node node)
+        {
+            foreach (var x in node.GetChildren())
+            {
+                For(x);
+                nodes.Add(x);
+            }
+        }
+        return nodes.Distinct();
+    }
+}