public bool SwitchPlayPause()
        {
            _playing = !_playing;
            var mmdGameObject = currentControlledMmd.GetComponent <MmdGameObject>();

            if (_playing)
            {
                mmdGameObject.Playing = true;
                _audioSource.Play();
                TTUIPage.ClosePage <MmdStagePanel>();
                UnityUtils.DelayCall(this, 0.5f, () => { _touchEventDetector.Enabled = true; });
            }
            else
            {
                mmdGameObject.Playing = false;
                _audioSource.Pause();
                TTUIPage.ShowPage <MmdStagePanel>();
                _touchEventDetector.Enabled = false;
            }

            return(_playing);
        }