//-------------------------------------------------------------------------
void playSwitchAudio(string audio_file_name)
{
if (string.IsNullOrEmpty(audio_file_name))
{
return;
}
//ViDebuger.Warning("playSwitchAudio " + audio_file_name);
//关闭背景音乐并打开切关卡音乐
mScene.getSoundMgr().play(audio_file_name, _eSoundLayer.Background);
}