def _post_process(self):
'''Effects added to the instrument. They can linger beyond notes.'''
if self._tremolo_freq > 0:
self._wave = effects.tremolo(self._wave, self._tremolo_freq)
if self._slow_intro:
attack = adsr.linear_envelope(0, 1, self._total_dur)
self._wave = mixer.multiply((self._wave, attack))
self._wave = effects.echo(self._timer, self._wave, .2, 1/4)
def _post_process(self):
if self._tremolo_freq > 0:
self._wave = effects.tremolo(self._wave, self._tremolo_freq)
if self._slow_intro:
attack = adsr.linear_envelope(0, 1, self._total_dur)
self._wave = mixer.multiply((self._wave, attack))