class ObjectController(Leap.Listener):
def __init__(self):
super(ObjectController, self).__init__()
self.nb_hands = MixedFilter([
NoiseFilter(10, 0.3, 10),
LowpassFilter(0.5)])
self.grab = GrabLogic()
self.scale = ScaleLogic()
def on_init(self, controller):
pass
def on_exit(self, controller):
pass
def on_frame(self, controller):
frame = controller.frame()
self.nb_hands.add_value(len(frame.hands))
# 1 hand for grab, 2 for scale
if self.nb_hands.around(1, 0.1):
self.grab.frame(frame)
elif self.nb_hands.around(2, 0.1):
self.scale.frame(frame)
else:
self.grab.reset()
self.scale.reset()
class ObjectController(Leap.Listener):
def __init__(self):
super(ObjectController, self).__init__()
self.nb_hands = MixedFilter(
[NoiseFilter(10, 0.3, 10),
LowpassFilter(0.5)])
self.grab = GrabLogic()
self.scale = ScaleLogic()
def on_init(self, controller):
pass
def on_exit(self, controller):
pass
def on_frame(self, controller):
frame = controller.frame()
self.nb_hands.add_value(len(frame.hands))
# 1 hand for grab, 2 for scale
if self.nb_hands.around(1, 0.1):
self.grab.frame(frame)
elif self.nb_hands.around(2, 0.1):
self.scale.frame(frame)
else:
self.grab.reset()
self.scale.reset()
class ClosingHand(object):
def __init__(self):
self.nb_fingers = MixedFilter([NoiseFilter(100, 0.3, 10), LowpassFilter(0.9)])
def frame(self, hand):
fingers = hand.fingers
self.nb_fingers.add_value(len(fingers))
def reset(self):
self.nb_fingers.empty()
def is_done(self):
if self.nb_fingers.around(3.0, 0.5) and self.nb_fingers.derivative < -0.012:
return True
return False
class ClosingHand(object):
def __init__(self):
self.nb_fingers = MixedFilter(
[NoiseFilter(100, 0.3, 10),
LowpassFilter(0.9)])
def frame(self, hand):
fingers = hand.fingers
self.nb_fingers.add_value(len(fingers))
def reset(self):
self.nb_fingers.empty()
def is_done(self):
if self.nb_fingers.around(3.0, 0.5) \
and self.nb_fingers.derivative < -0.012:
return True
return False
