QXSoftware

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

/// <summary>
/// 
/// Unity 引擎的 mesh 顶点顺序如下：
/// 
/// (0)-------(1)(4)-------(5)
///  |         |  |         |

gering

private static string[] _persistentDataPaths;

public static bool IsDirectoryWritable(string path) {
	try {
		if (!Directory.Exists(path)) return false;
		string file = Path.Combine(path, Path.GetRandomFileName());
		using (FileStream fs = File.Create(file, 1)) {}
		File.Delete(file);
		return true;
	} catch {