static public void SetVolume(AudioSourceIndex idx, float volume = 1.0f) { audioSource[(int)idx].volume = volume; }
static public bool GetIsPlaying(AudioSourceIndex idx) { return(audioSource[(int)idx].isPlaying); }
static public void PlaySE(AudioSourceIndex idx, SE se_idx, float volume = 1.0f) { audioSource[(int)idx].PlayOneShot(se[(int)se_idx]); SetVolume(idx, volume); }