MultiBehaviour

MultiBehaviour.cs

using UnityEngine;
using System.Collections.Generic;

public class MultiBehaviour<T> : MonoBehaviour where T : MonoBehaviour {

	private static List<T> _instances;
	public static List<T> Instances {
		get {
			if(_instances == null)
				_instances = new List<T>();
			return _instances;
		}
	}

	protected void OnEnable() {
		if(_instances == null)
			_instances = new List<T>();
		_instances.Add(this as T);
	}

	protected void OnDisable() {
		_instances.Remove(this as T);
	}
}