Ошибка в Unity NullReferenceException: Object reference not set to an instance of an object

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI; public class Level : MonoBehaviour { public System.Action OnStartNewLevel; public System.Action<Level> OnFinishLevel; private RectTransform rect; private Image image; private bool newLevelFired; [SerializeField] Text levelText; public Vector3 AnchoredPosition { get { return rect.anchoredPosition3D; } set { rect.anchoredPosition3D = value;}} public Vector2 Size { get { return rect.sizeDelta; } set { rect.sizeDelta = value; } } public Color BackColor { get {return image.color; } set { image.color = value; } } private void Awake() { image = GetComponent<Image>(); rect = GetComponent<RectTransform>(); } void Start() { } // Update is called once per frame void Update() { if (GameContoller.Instance.State == GameContoller.GameState.PLAY) { AnchoredPosition += Vector3.down * Time.deltaTime * 400; } } private void LateUpdate() { if (!newLevelFired && AnchoredPosition.y < 500) { OnStartNewLevel?.Invoke(); newLevelFired = true; } if (AnchoredPosition.y < -Size.y - 100) { OnFinishLevel?.Invoke(this); } } public void Setup(Vector3 pos, Color color, int level) { newLevelFired = false; AnchoredPosition = pos; BackColor = color; levelText.text = level.ToString(); } }

using System.Collections; using System.Collections.Generic; using UnityEngine; using System.Linq; public class GameContoller : MonoBehaviour { public enum GameState { START, PLAY, LOSE, GAME_OVER}; public event System.Action<GameState> OnStateChanged; public event System.Action<int> OnCurrentLevelChanged; public event System.Action<int> OnScoreChanged; public System.Action<int> OnGameOver; private GameState state; private int currentLevel; private int score; [SerializeField] private Transform levelRegion = null; [SerializeField] private Level LevelPrefab = null; [SerializeField] private List<Color> colors = new List<Color>(); [SerializeField] private Player player; private List<Level> levels = new List<Level>(); private List <GameObject> ObstaclePrefabs ; public GameState State { get => state; set { state = value; OnStateChanged?.Invoke(state);} } public int CurrentLevel { get => currentLevel; set { currentLevel = value; OnCurrentLevelChanged?.Invoke(value); } } public int Score { get => score; set { score = value; OnScoreChanged?.Invoke(value); } } public static GameContoller Instance; [SerializeField] private Transform spawnRegion; private Level lastLevel; private void Awake() { Instance = this; } private void Start() { ObstaclePrefabs = Resources.LoadAll<GameObject>("GroupObstacles").ToList(); for (int i=0; i<2;i++) { levels.Add(SpawnNewLevel1()); } ResetLevels(); player.OnGameOver += GameOver; } private void GameOver() { State = GameState.LOSE; StartCoroutine(DelayAction(1.5f,()=> { State = GameState.GAME_OVER; ResetGame(); OnGameOver.Invoke(Score); })); } public void ResetGame() { ClearObstacle(); ResetLevels(); player.Reset(); } private void ClearObstacle() { foreach (Transform child in spawnRegion.transform) { Destroy(child.gameObject); } } private IEnumerator DelayAction(float delay, System.Action action) { yield return new WaitForSeconds(delay); action(); } private void ResetLevels() { levels[0].AnchoredPosition = new Vector3(0, -levels[0].Size.y / 2); for ( int i = 1; i < levels.Count; i ++) { levels[i].AnchoredPosition = new Vector3(0, levels[i - 1].AnchoredPosition.y + levels[ i- 1].Size.y); } } private Level SpawnNewLevel1() { Level level = Instantiate(LevelPrefab, Vector3.zero, Quaternion.identity, levelRegion); level.AnchoredPosition =Vector3.zero; level.BackColor = colors[UnityEngine.Random.Range(0, colors.Count)]; level.Size = new Vector2 (levelRegion.parent.GetComponent<RectTransform>().sizeDelta.x, levelRegion.parent.GetComponent<RectTransform>().sizeDelta.y * 2 ); level.OnFinishLevel += MoveLevelTop; level.OnStartNewLevel += () => { CurrentLevel++; }; return level; } private void MoveLevelTop (Level level) { level.Setup(new Vector3(0, lastLevel.AnchoredPosition.y + lastLevel.Size.y), colors[CurrentLevel % colors.Count], CurrentLevel); lastLevel = level; SpawnObstacle(ObstaclePrefabs[UnityEngine.Random.Range(0, ObstaclePrefabs.Count )], spawnRegion); //level.AnchoredPosition = new Vector3(0, lastLevel.AnchoredPosition.y + lastLevel.Size.y); } public void StartGame() { CurrentLevel = 1; Score = 0; State = GameState.PLAY; SpawnObstacle(ObstaclePrefabs[UnityEngine.Random.Range(0, ObstaclePrefabs.Count)], spawnRegion); StartCoroutine(ScoreCoroutine()); } private IEnumerator ScoreCoroutine() { while (State == GameState.PLAY) { Score++; yield return new WaitForSeconds(0.2f); } } private void SpawnObstacle(GameObject gameObject, Transform spawnRegion, bool isFirst= false) { Instantiate(gameObject, spawnRegion.transform.position * (isFirst ? 0.5f : 1), Quaternion.identity, spawnRegion); } }