class AnimationController(object):
def __init__(self, model):
self.model = model
self.timer = Timer()
def start(self):
try:
emitter = AnimationController.animation_timer
except:
print 'Animation Controller -- No Instance of Timer Running in Class'
print 'Please run AnimationController.init()'
emitter = None
if emitter is not None:
self.timer.start(emitter, interval = self.model.interval)
self.timer.on('tick', self.next)
def stop(self):
self.timer.stop()
def resume(self):
self.timer.resume()
def next(self):
print "next frame now"
self.model.next_frame()
@classmethod
def init(cls, emitter, message_type='tick'):
if not guarded(lambda:cls.animation_timer):
cls.animation_timer = Timer()
cls.animation_timer.start(emitter, message_type=message_type)
return cls.animation_timer
