Custom made Sound Manager Script

using UnityEngine;

using UnityEngine.Audio;



public class SoundManager : MonoBehaviour

{

    public static SoundManager instance;



    [SerializeField] private AudioSource soundObject;

    [SerializeField] private AudioMixer audioMixer;

    [SerializeField] private AudioMixerGroup musicAudioGroup;



    [Header("Audio Clips")]

    public AudioClip musicAudioClip;

    public AudioClip mergeAudioClip;

    public AudioClip explodeAudioClip;

    public AudioClip clickAudioClip;



    [Header("Audio Volume On Start")]

    [SerializeField][Range(0f, 1f)] private float musicStartVolume;

    [SerializeField][Range(0f, 1f)] private float soundStartVolume;



    public float soundVolume { get; private set; }

    public float musicVolume { get; private set; }



    private void Awake()

    {

        if (instance == null)

        {

            instance = this;

            PlayMusic();

            DontDestroyOnLoad(gameObject);

        }

    }



    private void Start()

    {

        musicVolume = PlayerPrefs.GetFloat("musicVolume", 1f);

        soundVolume = PlayerPrefs.GetFloat("soundVolume", 1f);

        audioMixer.SetFloat("MusicVolume", Mathf.Log10(musicVolume) * 20f);

        audioMixer.SetFloat("SoundFXVolume", Mathf.Log10(soundVolume) * 20f);

    }



    public void ChangeMusicVolume(float volume)

    {

        musicVolume = volume;

        audioMixer.SetFloat("MusicVolume", Mathf.Log10(musicVolume) * 20f);

        PlayerPrefs.SetFloat("musicVolume", musicVolume);

    }



    public void ChangeSoundVolume(float volume)

    {

        soundVolume = volume;

        audioMixer.SetFloat("SoundFXVolume", Mathf.Log10(soundVolume) * 20f);

        PlayerPrefs.SetFloat("soundVolume", soundVolume);

    }



    public void PlayMusic()

    {

        AudioSource audioSource = Instantiate(soundObject, transform.position, Quaternion.identity);

        DontDestroyOnLoad(audioSource.gameObject);

        audioSource.outputAudioMixerGroup = musicAudioGroup;

        audioSource.clip = musicAudioClip;

        audioSource.loop = true;

        audioSource.volume = musicStartVolume;

        audioSource.Play();

    }



    public void PlaySoundFX(AudioClip audioClip, Transform spawnTransform)

    {

        AudioSource audioSource = Instantiate(soundObject, spawnTransform.position, Quaternion.identity);

        DontDestroyOnLoad(audioSource.gameObject);

        audioSource.clip = audioClip;

        audioSource.volume = soundStartVolume;

        audioSource.Play();



        float clipLenght = audioSource.clip.length;

        Destroy(audioSource.gameObject, clipLenght);

    }

}