public static GameObject FindObjectWithTag(string tag)
        {
            var objects = FindAllObjects();

            for (int i = 0; i < objects.Length; ++i)
            {
                if (objects[i].CompareTag(tag))
                {
                    return objects[i];
                }
            }

            return null;
        }
        public static GameObject FindObjectWithName(string name)
        {
            var objects = FindAllObjects();

            for (int i = 0; i < objects.Length; ++i)
            {
                if (objects[i].name.Equals(name))
                {
                    return objects[i];
                }
            }

            return null;
        }
        public static GameObject[] FindAllObjectsWithTag(string tag)
        {
            List<GameObject> result = new List<GameObject>();

            var objects = FindAllObjects();

            for (int i = 0; i < objects.Length; ++i)
            {
                if (objects[i].CompareTag(tag))
                {
                    result.Add(objects[i]);
                }
            }

            return result.ToArray();
        }
        public static GameObject[] FindAllObjectsWithName(string name)
        {
            List<GameObject> result = new List<GameObject>();

            var objects = FindAllObjects();

            for (int i = 0; i < objects.Length; ++i)
            {
                if (objects[i].name.Equals(name))
                {
                    result.Add(objects[i]);
                }
            }

            return result.ToArray();
        }
        public static GameObject[] FindAllObjects()
        {
            List<GameObject> result = new List<GameObject>();

            var roots = SceneManager.GetActiveScene().GetRootGameObjects();

            result.AddRange(roots);

            for (int j = 0; j < roots.Length; ++j)
            {
                result.AddRange(roots[j].GetAllChilds());
            }

            return result.ToArray();
        }