def get_sub_alpha(self, alpha, index, num_submobjects):
if self.submobject_mode in ["lagged_start", "smoothed_lagged_start"]:
prop = float(index) / num_submobjects
if self.submobject_mode is "smoothed_lagged_start":
prop = smooth(prop)
lf = self.lag_factor
return np.clip(lf * alpha - (lf - 1) * prop, 0, 1)
elif self.submobject_mode == "one_at_a_time":
lower = float(index) / num_submobjects
upper = float(index + 1) / num_submobjects
return np.clip((alpha - lower) / (upper - lower), 0, 1)
elif self.submobject_mode == "all_at_once":
return alpha
raise Exception("Invalid submobject mode")
def get_sub_alpha(self, alpha, index, num_submobjects):
if self.submobject_mode in ["lagged_start", "smoothed_lagged_start"]:
prop = float(index) / num_submobjects
if self.submobject_mode is "smoothed_lagged_start":
prop = smooth(prop)
lf = self.lag_factor
return np.clip(lf * alpha - (lf - 1) * prop, 0, 1)
elif self.submobject_mode == "one_at_a_time":
lower = float(index) / num_submobjects
upper = float(index + 1) / num_submobjects
return np.clip((alpha - lower) / (upper - lower), 0, 1)
elif self.submobject_mode == "all_at_once":
return alpha
raise Exception("Invalid submobject mode")
class Uncreate(ShowCreation):
CONFIG = {
"rate_func" : lambda t : smooth(1-t),
"remover" : True
}