In card game, Playing specific sounds when an object is revealed

Question

I have completed a tutorial on how to make a memory card, everything works great, I can play the game and match all the cards (20 or 30 or 40 for different categories cause I have 6 of them) and I added a timer. I can even reset the game and start all over, and all the cards are randomly sorted out.

But I want to go beyond the tutorial and put some sound effects in the game to make it more fun. I get that you can play sounds on mouse clicks and stuff, but I want to play sounds when specific cards are revealed. Duck card appears and you hear a quacking sound or his name. I'm a beginner and I don't know how to add it.

I'm not sure if I would start a new C# script or add to my existing (PictureManager) script or (Picture) script.

Any help would be appreciated. Thank you. These are my (PictureManager) and (Picture) script for the game.

```

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI;

public class PictureManager : MonoBehaviour { public Picture PicturePrefab; public Transform PicSpawnPosition; public Vector2 StartPosition = new Vector2(-2.15f, 3.62f); public AudioSource WinSound; public AudioSource BgSound;

 [Space]
 [Header("End Game Screen")]
 public GameObject EndGamePanel;
 public GameObject NewBestScoreText;
 public GameObject YourScoreText;
 public GameObject EndTimeText;

 public enum GameState
 { 
    NoAction,
    MovingOnPositions,
    DeletingPuzzles,
    FlipBack,
    Checking,
    GameEnd
 };

 public enum PuzzleState
 {
     PuzzleRotating,
     CanRotate,
 };

 public enum RevealedState
 {
     NoRevealed,
     OneRevealed,
     TwoRevealed
 };

 [HideInInspector]
 public GameState CurrentGameState;
 [HideInInspector]
 public PuzzleState CurrentPuzzleState;
 [HideInInspector]
 public RevealedState PuzzleRevealedNumber;


 [HideInInspector]
 public List<Picture> PictureList;

 private Vector2 _offset = new Vector2(1.42f, 1.52f);
 private Vector2 _offsetFor15Pairs = new Vector2(1.08f, 1.22f);
 private Vector2 _offsetFor20Pairs = new Vector2(1.08f, 1.0f);
 private Vector3 _newScaleDown = new Vector3(0.9f, 0.9f, 0.001f);

 private List<Material> _materialList = new List<Material>();
 private List<string> _texturePathList = new List<string>();
 private Material _firstMaterial;
 private string _firstTexturePath;

 private int _firstRevealedPic;
 private int _secondRevealedPic;
 private int _revealedPicNumber = 0;
 private int _picToDestroy1;
 private int _picToDestroy2;

 private bool _corutineStarted = false;

 private int _pairNumbers;
 private int _removedPairs;
 private Timer _gameTimer;
 void Start()
 {
     //BgSound.Play();
     CurrentGameState = GameState.NoAction;
     CurrentPuzzleState = PuzzleState.CanRotate;
     PuzzleRevealedNumber = RevealedState.NoRevealed;
     _revealedPicNumber = 0;
     _firstRevealedPic = -1;
     _secondRevealedPic = -1;

     _removedPairs = 0;
     _pairNumbers = (int)GameSettings.Instance.GetPairNumber();

     _gameTimer = GameObject.Find("Main Camera").GetComponent<Timer>();

     LoadMaterials();

     if(GameSettings.Instance.GetPairNumber()== GameSettings.EPairNumber.E10Pairs)
     {
         CurrentGameState = GameState.MovingOnPositions;
         SpwanPictureMesh(4, 5, StartPosition, _offset, false);
         MovePicture(4, 5, StartPosition, _offset);
     }
     else if (GameSettings.Instance.GetPairNumber() == GameSettings.EPairNumber.E15Pairs)
     {
         CurrentGameState = GameState.MovingOnPositions;
         SpwanPictureMesh(5, 6, StartPosition, _offset, false);
         MovePicture(5, 6, StartPosition, _offsetFor15Pairs);
     }
     else if (GameSettings.Instance.GetPairNumber() == GameSettings.EPairNumber.E20Pairs)
     {
         CurrentGameState = GameState.MovingOnPositions;
         SpwanPictureMesh(5, 8, StartPosition, _offset, true);
         MovePicture(5, 8, StartPosition, _offsetFor20Pairs);
     }
 }

 public void CheckPicture()
 {
     CurrentGameState = GameState.Checking;
     _revealedPicNumber = 0;

     for(int id = 0; id < PictureList.Count; id++)
     {
         if(PictureList[id].Revealed && _revealedPicNumber < 2)
         {
             if(_revealedPicNumber == 0)
             {
                 _firstRevealedPic = id;
                 _revealedPicNumber++;
             }
             else if (_revealedPicNumber == 1)
             {
                 _secondRevealedPic = id;
                 _revealedPicNumber++;
             }
         }
         if (_revealedPicNumber == 2)
         {
             if (PictureList[_firstRevealedPic].GetIndex() == PictureList[_secondRevealedPic].GetIndex() && _firstRevealedPic != _secondRevealedPic)
             {
                 CurrentGameState = GameState.DeletingPuzzles;
                 _picToDestroy1 = _firstRevealedPic;
                 _picToDestroy2 = _secondRevealedPic;
             }
             else
             {
                 CurrentGameState = GameState.FlipBack;
             }
         }
     }

     
     CurrentPuzzleState = PictureManager.PuzzleState.CanRotate;

     if(CurrentGameState == GameState.Checking)
     {
         CurrentGameState = GameState.NoAction;
     }
 }

 private void DestroyPicture()
 {
     PuzzleRevealedNumber = RevealedState.NoRevealed;
     PictureList[_picToDestroy1].Deactivate();
     PictureList[_picToDestroy2].Deactivate();
     _revealedPicNumber = 0;
     _removedPairs++;
     CurrentGameState = GameState.NoAction;
     CurrentPuzzleState = PuzzleState.CanRotate;
 }

 private IEnumerator FlipBack()
 {
     _corutineStarted = true;

     yield return new WaitForSeconds(0.5f);

     PictureList[_firstRevealedPic].FlipBack();
     PictureList[_secondRevealedPic].FlipBack();

     PictureList[_firstRevealedPic].Revealed = false;
     PictureList[_secondRevealedPic].Revealed = false;

     PuzzleRevealedNumber = RevealedState.NoRevealed;
     CurrentGameState = GameState.NoAction;

     _corutineStarted = false;
 }

 private void LoadMaterials()
 {
     var materialFilePath = GameSettings.Instance.GetMaterialDirectoryName();
     var textureFilePath = GameSettings.Instance.GetPuzzleCategoryTextureDirectoryName();
     var pairNumber = (int)GameSettings.Instance.GetPairNumber();
     const string matBaseName = "Pic";
     var firstMaterialName = "Back";

     for(var index = 1; index <= pairNumber; index++)
     {
         var currentFilePath = materialFilePath + matBaseName + index;
         Material mat = Resources.Load(currentFilePath, typeof(Material)) as Material;
         _materialList.Add(mat);

         var currentTextureFilePath = textureFilePath + matBaseName + index;
         _texturePathList.Add(currentTextureFilePath);
     }
     _firstTexturePath = textureFilePath + firstMaterialName;
     _firstMaterial = Resources.Load(materialFilePath + firstMaterialName, typeof(Material)) as Material;
 }
 
 void Update()
 {
     if (PauseMenu.isPaused == false) {
     if (CurrentGameState == GameState.DeletingPuzzles)
     {
         if(CurrentPuzzleState == PuzzleState.CanRotate)
         {
             DestroyPicture();
             CheckGameEnd();
         }
     }
     if (CurrentGameState == GameState.FlipBack)
     {
         if(CurrentPuzzleState == PuzzleState.CanRotate && _corutineStarted == false)
         {
             StartCoroutine(FlipBack());
         }
     }

     if(CurrentGameState == GameState.GameEnd)
     {
         if(PictureList[_firstRevealedPic].gameObject.activeSelf == false &&
             PictureList[_secondRevealedPic].gameObject.activeSelf == false &&
             EndGamePanel.activeSelf == false)
         {
             ShowEndGameInformation();
             WinSound.Play();
             //BgSound.Pause();
         }
     }
     }
 }

 private bool CheckGameEnd()
 {
     if(_removedPairs == _pairNumbers && CurrentGameState != GameState.GameEnd)
     {
         CurrentGameState = GameState.GameEnd;
         _gameTimer.StopTimer();
         Config.PlaceScoreOnBorad(_gameTimer.GetCurrentTime());
     }
     return (CurrentGameState == GameState.GameEnd);
 }
 private void ShowEndGameInformation()
 {
     EndGamePanel.SetActive(true);

     if(Config.IsBestScore())
     {
         NewBestScoreText.SetActive(true);
         YourScoreText.SetActive(false);
     }
     else
     {
         NewBestScoreText.SetActive(false);
         YourScoreText.SetActive(true);
     }
     
     var timer = _gameTimer.GetCurrentTime();
     var minutes = Mathf.Floor(timer / 60);
     var seconds = Mathf.RoundToInt(timer % 60);
     var newText = minutes.ToString("00") + ":" + seconds.ToString("00");
     EndTimeText.GetComponent<Text>().text = newText;
 }

 private void SpwanPictureMesh(int rows, int columns, Vector2 Pos, Vector2 offset, bool scaleDown)
 {
     for(int col = 0; col < columns; col++)
     {
         for(int row = 0; row < rows; row++)
         {
             var tempPicture = (Picture)Instantiate(PicturePrefab, PicSpawnPosition.position, PicturePrefab.transform.rotation);

             if(scaleDown)
             {
                 tempPicture.transform.localScale = _newScaleDown;
             }

             tempPicture.name = tempPicture.name + 'c' + col + 'r' + row;
             PictureList.Add(tempPicture);
         }
     }
     ApplyTextures();
 }

 public void ApplyTextures()
 {
     var rndMatIndex = Random.Range(0, _materialList.Count);
     var AppliedTimes = new int[_materialList.Count];

     for(int i = 0; i< _materialList.Count; i++)
     {
         AppliedTimes[i] = 0;
     }

     foreach(var o in PictureList)
     {
         var randPrevious = rndMatIndex;
         var counter = 0;
         var forceMat = false;

         while(AppliedTimes[rndMatIndex] >= 2 || ((randPrevious == rndMatIndex) && !forceMat))
         {
             rndMatIndex = Random.Range(0, _materialList.Count);
             counter++;
             if(counter > 100)
             {
                 for (var j = 0; j < _materialList.Count; j++)
                 {
                     if(AppliedTimes[j] < 2)
                     {
                         rndMatIndex = j;
                         forceMat = true;
                     }
                 }

                 if (forceMat == false)
                     return;
             }

         }

         o.SetFirstMaterial(_firstMaterial, _firstTexturePath);
         o.ApplyFirstMaterial();
         o.SetSecondMaterial(_materialList[rndMatIndex], _texturePathList[rndMatIndex]);
         o.SetIndex(rndMatIndex);
         o.Revealed = false;
         AppliedTimes[rndMatIndex] += 1;
         forceMat = false;
     }


 }

 private void MovePicture(int rows, int columns, Vector2 pos, Vector2 offset)
 {
     var index = 0;
     for(var col = 0; col < columns; col++)
     {
         for(int row = 0; row < rows; row++)
         {
             var targetPosition = new Vector3((pos.x + (offset.x * row)), (pos.y - (offset.y * col)), 0.0f);
             StartCoroutine(MoveToPosition(targetPosition, PictureList[index]));
             index++;
         }
     }
 }

 private IEnumerator MoveToPosition(Vector3 target, Picture obj)
 {
     var randomDis = 7;

     while(obj.transform.position !=target)
     {
         obj.transform.position = Vector3.MoveTowards(obj.transform.position, target, randomDis * Time.deltaTime);
         yield return 0;
     }
 }

}

``` ```

using System.Collections; using System.Collections.Generic; using UnityEngine;

public class Picture : MonoBehaviour { public AudioClip PressSound; private Material _firstMaterial; private Material _secondMaterial;

 private Quaternion _currentRotation;

 [HideInInspector] public bool Revealed = false;
 private PictureManager _pictureManager;
 private bool _clicked = false;
 private int _index;

 private AudioSource _audio;
 public void SetIndex(int id)
 {
     _index = id;
 }
 
 public int GetIndex()
 {
     return _index;
 }

 void Start()
 {
     Revealed = false;
     _clicked = false;
     _pictureManager = GameObject.Find("[PictureManager]").GetComponent<PictureManager>();
     _currentRotation = gameObject.transform.rotation;

     _audio = GetComponent<AudioSource>();
     _audio.clip = PressSound;
 }

 void Update()
 {
     
 }

 private void OnMouseDown()
 {
     if(_clicked == false)
     {
         if (PauseMenu.isPaused == false)
         {
             _pictureManager.CurrentPuzzleState = PictureManager.PuzzleState.PuzzleRotating;
             if (GameSettings.Instance.IsSoundEffectMutedPermanently() == false)
                 _audio.Play();
             StartCoroutine(LoopRotation(45, false));
             _clicked = true;
         }
     }
 }

 public void FlipBack()
 {
     if (gameObject.activeSelf)
     {
         _pictureManager.CurrentPuzzleState = PictureManager.PuzzleState.PuzzleRotating;
         Revealed = false;
         /*if (GameSettings.Instance.IsSoundEffectMutedPermanently() == false)
             _audio.Play();*/
         StartCoroutine(LoopRotation(45, true));
     }
 }

 IEnumerator LoopRotation(float angle, bool FirstMat)
 {
     var rot = 0f;
     const float dir = 1f;
     const float rotSpeed = 180.0f;
     const float rotSpeed1 = 90.0f;
     var startAngle = angle;
     var assigned = false;

     if(FirstMat)
     {
         while(rot < angle)
         {
             var step = Time.deltaTime * rotSpeed1;
             gameObject.GetComponent<Transform>().Rotate(new Vector3(0, 2, 0) * step * dir);
             if(rot >= (startAngle - 2) && assigned == false)
             {
                 ApplyFirstMaterial();
                 assigned = true;
             }
             rot += (1 * step * dir);
             yield return null;
         }

     }
     else
     {
         while (angle > 0)
         {
             float step = Time.deltaTime * rotSpeed;
             gameObject.GetComponent<Transform>().Rotate(new Vector3(0, 2, 0) * step * dir);
             angle -= (1 * step * dir);
             yield return null;
         }
     }
     gameObject.GetComponent<Transform>().rotation = _currentRotation;

     if (!FirstMat)
     {
         Revealed = true;
         ApplySecondMaterial();
         _pictureManager.CheckPicture();
     }
     else
     {
         _pictureManager.PuzzleRevealedNumber = PictureManager.RevealedState.NoRevealed;
         _pictureManager.CurrentPuzzleState = PictureManager.PuzzleState.CanRotate;
     }

     _clicked = false;

 }

 public void SetFirstMaterial(Material mat, string texturePath)
 {
     _firstMaterial = mat;
     _firstMaterial.mainTexture = Resources.Load(texturePath, typeof(Texture2D)) as Texture2D;
 }

 public void SetSecondMaterial(Material mat, string texturePath)
 {
     _secondMaterial = mat;
     _secondMaterial.mainTexture = Resources.Load(texturePath, typeof(Texture2D)) as Texture2D;
 }

 public void ApplyFirstMaterial()
 {
     gameObject.GetComponent<Renderer>().material = _firstMaterial;
 }

 public void ApplySecondMaterial()
 {
     gameObject.GetComponent<Renderer>().material = _secondMaterial;
 }
 public void Deactivate()
 {
     StartCoroutine(DeactivateCorutine());
 }

 private IEnumerator DeactivateCorutine()
 {
     Revealed = false;

     yield return new WaitForSeconds(1f);
     gameObject.SetActive(false);
 }

}

```

In card game, Playing specific sounds when an object is revealed

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