using Godot;
using System;
 
/// <summary>
/// 该类为 node 节点通用扩展函数类
/// </summary>
public static class NodeExtend
{
    /// <summary>
    /// 尝试将一个node2d节点转换成一个 ActivityObject 类
    /// </summary>
    public static ActivityObject AsActivityObject(this Node2D node2d)
    {
        if (node2d is ActivityObject p)
        {
            return p;
        }
        var parent = node2d.GetParent();
        if (parent != null && parent is ActivityObject p2)
        {
            return p2;
        }
        return null;
    }
}