init basic signal player chinese chess game

Main.cs

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+using Godot;
+using System;
+
+public partial class Main : Node2D
+{
+
+	// public void ResizeChessboardToFitScreen()
+	// {
+	// 	var viewportSize = GetViewportRect().Size;
+	// 	var designSize = new Vector2(800, 800); // 设计时棋盘的尺寸，这里假设为正方形
+	// 	var screenAspectRatio = viewportSize.X / viewportSize.Y;
+	// 	var boardAspectRatio = designSize.X / designSize.Y;
+
+	// 	// 计算保持棋盘比例的缩放因子
+	// 	float scaleFactor;
+	// 	if (screenAspectRatio > boardAspectRatio) 
+	// 	{ 
+	// 		// 屏幕更宽，按高度缩放
+	// 		scaleFactor = viewportSize.Y / designSize.Y;
+	// 	} 
+	// 	else 
+	// 	{ 
+	// 		// 屏幕更高或相等，按宽度缩放
+	// 		scaleFactor = viewportSize.X / designSize.X;
+	// 	}
+
+	// 	// 应用缩放
+	// 	GetNode<Node2D>("Chessboard").Scale = new Vector2(scaleFactor, scaleFactor);
+	// }
+
+		// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+		// GetTree().Connect("screen_resized", ResizeChessboardToFitScreen);
+		// Button undo = GetNode<Button>("Undo");
+		// undo.Connect("pressed", (event) => {
+		// });
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+}