Unity全局AudioSource管理

1.先写一个单例模式保证全局只有一个音频管理的物体

public class Singleton<T> : MonoBehaviour where T : Singleton<T>
{
    public static T Instance { get; private set; }

    protected void Awake()
    {
        if (Instance == null)
        {
            Instance = (T)this;
            DontDestroyOnLoad(gameObject);//<切换场景不销毁物体>
        }
        else
        {
            Destroy(gameObject);
        }
    }
}

2.获取绑定物体上的AudioSource组件

public class AudioManager : Singleton<AudioManager>
{
    private AudioSource m_audioSource;

    public AudioSource AudioSource
    {
        get
        {
            if (m_audioSource == null)
            {
                m_audioSource = transform.GetComponent<AudioSource>();
            }
            return m_audioSource;
        }
    }


    private new void Awake()
    {
        base.Awake();
    }
}