def __init__(self, samplerate, bufferSize, scale):
Mixer.__init__(self)
self.instrument01 = MonophonicScaleSynth(samplerate, bufferSize, scale)
self.instrument02 = SineSynth(samplerate, bufferSize)
self.instrument03 = SineSynth(samplerate, bufferSize)
self.add_device(self.instrument01)
self.add_device(self.instrument02)
self.add_device(self.instrument03)
self.tone = None
class PerfectTriads(Mixer):
name = "Perfect Triads"
def __init__(self, samplerate, bufferSize, scale):
Mixer.__init__(self)
self.instrument01 = MonophonicScaleSynth(samplerate, bufferSize, scale)
self.instrument02 = SineSynth(samplerate, bufferSize)
self.instrument03 = SineSynth(samplerate, bufferSize)
self.add_device(self.instrument01)
self.add_device(self.instrument02)
self.add_device(self.instrument03)
self.tone = None
def on(self, tone, time=0):
base_frequency = self.instrument01.scale.get_frequency(tone)
self.instrument01.on(tone, time=time)
self.instrument02.on(base_frequency * 5. / 4, time=time)
self.instrument03.on(base_frequency * 3. / 2, time=time)
def off(self, tone=None, time=0):
if tone is None or tone == self.tone:
self.instrument01.off(time=time)
self.instrument02.off(time=time)
self.instrument03.off(time=time)
def __str__(self):
return "%s %s" % (type(self).__name__, str(self.instrument01.scale))
