Ошибка NullReferenceException: Object reference not set to an instance of an object Game.UpdateUI () (at Assets/Scripts/Game.cs:40) Game.Update () (at Assets/Scripts/Game.cs:34)
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
public class Game : MonoBehaviour
{
public static int gridWidth = 10;
public static int gridHeight = 20;
public static Transform[,] grid = new Transform[gridWidth,gridHeight];
public int scoreOneLine = 40;
public int scoreTwoLine = 100;
public int scoreThreeLine = 300;
public int scoreFourLine = 1200;
public Text hud_score;
private int numberOfRowsThisTurn = 0;
private int currentScore = 0;
// Start is called before the first frame update
void Start()
{
SpawnNextTetromino ();
}
void Update () {
UpdateScore ();
UpdateUI ();
}
public void UpdateUI () {
hud_score.text = currentScore.ToString();
}
public void UpdateScore () {
if (numberOfRowsThisTurn > 0) {
if (numberOfRowsThisTurn == 1) {
ClearedOneLine ();
} else if (numberOfRowsThisTurn == 2) {
ClearedTwoLines ();
} else if (numberOfRowsThisTurn == 3) {
ClearedThreeLines ();
} else if (numberOfRowsThisTurn == 4) {
ClearedFourLines ();
}
numberOfRowsThisTurn = 0;
}
}
public void ClearedOneLine () {
currentScore += scoreOneLine;
}
public void ClearedTwoLines () {
currentScore += scoreTwoLine;
}
public void ClearedThreeLines () {
currentScore += scoreThreeLine;
}
public void ClearedFourLines () {
currentScore += scoreFourLine;
}
public bool CheckIsAboveGrid (tetrismino tetromino) {
for (int x = 0; x < gridWidth; ++x) {
foreach (Transform mino in tetromino.transform) {
Vector2 pos = Round (mino.position);
if (pos.y > gridHeight -1) {
return true;
}
}
}
return false;
}
public bool IsFullRowAt (int y) {
for (int x = 0; x < gridWidth; ++x) {
if (grid[x, y] == null) {
return false;
}
}
numberOfRowsThisTurn++;
return true;
}
public void DeleteMinoAt (int y) {
for (int x = 0; x < gridWidth; ++x) {
Destroy (grid[x, y].gameObject);
grid[x, y] = null;
}
}
public void MoveRowDown (int y) {
for (int x = 0; x < gridWidth; ++x) {
if (grid[x, y] != null) {
grid[x, y-1] = grid[x, y];
grid[x, y] = null;
grid[x, y-1].position += new Vector3(0, -1, 0);
}
}
}
public void MoveAllRowDown (int y) {
for (int i = y; i < gridHeight; ++i) {
MoveRowDown (i);
}
}
public void DeleteRow () {
for (int y = 0; y < gridHeight; ++y) {
if (IsFullRowAt(y)) {
DeleteMinoAt(y);
MoveAllRowDown(y + 1);
--y;
}
}
}
public void UpdateGrid (tetrismino tetromino) {
for (int y = 0; y < gridHeight; ++y) {
for (int x = 0; x < gridWidth; ++x) {
if (grid[x, y] != null) {
if (grid[x,y].parent == tetromino.transform) {
grid[x, y] = null;
}
}
}
}
foreach (Transform mino in tetromino.transform) {
Vector2 pos = Round (mino.position);
if (pos.y < gridHeight) {
grid[(int)pos.x, (int)pos.y] = mino;
}
}
}
public Transform GetTransformGridPosition (Vector2 pos) {
if (pos.y > gridHeight -1) {
return null;
} else {
return grid[(int)pos.x, (int)pos.y];
}
}
public void SpawnNextTetromino () {
GameObject nextTetromino = (GameObject)Instantiate(Resources.Load(GetRandomTetromino(), typeof(GameObject)), new Vector2(5.0f, 20.0f), Quaternion.identity);
}
public bool CheckIsInsideGrid (Vector2 pos) {
return ((int)pos.x >= 0 && (int)pos.x < gridWidth && (int)pos.y >= 0);
}
public Vector2 Round (Vector2 pos) {
return new Vector2 (Mathf.Round(pos.x), Mathf.Round(pos.y));
}
string GetRandomTetromino () {
int randomTetromino = Random.Range(1, 8);
string randomTetrominoName = "Prefabs/Tetromino_T";
switch (randomTetromino) {
case 1:
randomTetrominoName = "Prefabs/Tetromino_T";
break;
case 2:
randomTetrominoName = "Prefabs/Tetromino_I";
break;
case 3:
randomTetrominoName = "Prefabs/Tetromino_O";
break;
case 4:
randomTetrominoName = "Prefabs/Tetromino_J";
break;
case 5:
randomTetrominoName = "Prefabs/Tetromino_L";
break;
case 6:
randomTetrominoName = "Prefabs/Tetromino_S";
break;
case 7:
randomTetrominoName = "Prefabs/Tetromino_Z";
break;
}
return randomTetrominoName;
}
public void GameOver () {
SceneManager.LoadScene ("GameOver");
}
}
public Text hud_score;- т.е. это поле сейчас равноnull. А вы пытаетесьhud_score.text = currentScore.ToString();. Надо бы сначала проинициализироватьhud_score, а потом уже запрашивать у него свойствоText. – Bulson Dec 09 '19 at 20:40