using UnityEngine;
using UnityEngine.UI;
public class AudioManager : MonoBehaviour
{
    public static AudioManager instance;
    private float originalVolume;
    public Image t;
    void Awake()
    {
        if (instance == null)
        {
            instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
            return;
        }
        // 保证子物体也不被销毁
        foreach (Transform child in transform)
        {
            DontDestroyOnLoad(child.gameObject);  // 对所有子物体调用 DontDestroyOnLoad
        }
        originalVolume = AudioListener.volume;
    }
    public void Mute()
    {
        if (AudioListener.volume != 0)
        {
            AudioListener.volume = 0f;
            t.sprite = Resources.Load<Sprite>("mute");
        }
        else 
        {
            AudioListener.volume = originalVolume;
            t.sprite = Resources.Load<Sprite>("unmute");
        }
    }
}