添加了教育平台

BITKit/Scripts/GraphNode/GraphFlowService.cs

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+using Godot;
+using System;
+using Godot.Collections;
+
+namespace BITKit;
+public partial class GraphFlowService : Node
+{
+	[Export] private Godot.Collections.Dictionary<int,NodePath> nodes;
+	[Export] private int currentIndex = -1;
+
+	public override void _Ready()
+	{
+		if (currentIndex is not -1 && currentIndex < nodes.Count)
+			Entry(GetGraphNode(nodes[currentIndex]));
+	}
+
+	private void EntryNext()
+	{
+		if ((currentIndex + 1) >= nodes.Count) return;
+		currentIndex++;
+		Entry(GetGraphNode(nodes[currentIndex]));		
+	}
+	private void Entry(GraphNode node)
+	{
+		foreach (var _node in nodes)
+		{
+			GetGraphNode(_node.Value).Overlay = GraphNode.OverlayEnum.Disabled;
+		}
+		node.Overlay = GraphNode.OverlayEnum.Position;
+	}
+
+	GraphNode GetGraphNode(string nodePath)
+	{
+		return GetNode<GraphNode>(nodePath);
+	}
+}