A collection of C# Node extensions for Godot

NodeExtensions.cs

using Godot;
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace HighHat.Scene.Nodes
{
	public static class NodeExtensions
	{
		private static Regex _nameRegex = new Regex("@*(?<Name>[\\w|\\d]+)@*.*");
		public static T FindClosestToTarget<T>(this IEnumerable<T> spatials, Vector3 target, Func<T, bool> predicate = null) where T : Spatial
		{
			T closest = null;
			float? closestDistance = null;
			foreach (var spatial in spatials)
			{
				if (predicate != null && predicate(spatial) == false)
				{
					continue;
				}

				var distance = (spatial.GlobalTransform.origin - target).Length();
				if (closestDistance == null || distance < closestDistance.Value)
				{
					closestDistance = distance;
					closest = spatial;
				}
			}

			return closest;
		}

		public static void RemoveFromParent(this Node node)
		{
			var parent = node.GetParent();
			if (parent != null)
			{
				parent.RemoveChild(node);
			}
		}

		public static void AddToCurrentLevel(this Spatial spatial)
		{
			Game.Instance.LevelManager.CurrentLevel.AddChild(spatial);
		}

		public static void SetBoneAttachmentRotation(this Spatial spatial)
		{
			spatial.Rotation = new Vector3(-Mathf.PI / 2.0f, 0, 0);	
		}

		public static string GetOriginalName(this Node node)
		{
			var match = _nameRegex.Match(node.Name);
			if (match.Success)
			{
				return match.Groups["Name"].Captures[0].Value;
			}

			return null;
		}

		public static void MakeMaterialOverrideUnique(this MeshInstance meshInstance)
		{
			meshInstance.MaterialOverride = (Material)meshInstance.MaterialOverride.Duplicate();
		}
	}
}