class Track(object):
volume = 1.0
volume_add = None
sound = None
def __init__(self, filename):
self.filename = filename
def set_volume(self, volume):
self.volume = volume / 100.0
if self.sound is not None:
self.sound.volume = self.volume
def play(self):
if self.sound is not None:
return
self.sound = Sound(filename = self.filename)
self.sound.volume = self.volume
self.sound.play(0)
def stop(self):
if self.sound is None:
return
self.sound.close()
self.sound = None
def update(self, dt):
if self.volume_add is None:
return
self.volume += self.volume_add
self.sound.volume = self.volume
if self.volume < 0.0 or self.volume > 1.0:
self.volume = max(0.0, min(1.0, self.volume))
self.volume_add = None
self.stop()
def is_playing(self):
return self.sound is not None
def play(self):
if self.sound is not None:
return
self.sound = Sound(filename = self.filename)
self.sound.volume = self.volume
self.sound.play(0)