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Add Mobject.has_updaters which is distinct from Mobject.suspend_updating

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This commit is contained in:
Grant Sanderson
2020-06-29 11:23:01 -07:00
parent 2b3bd2bfce
commit cd371dc207
1 changed files with 16 additions and 14 deletions
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30
manimlib/mobject/mobject.py
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@ -66,10 +66,8 @@ class Mobject(Container):
self.family = [self]
if self.name is None:
self.name = self.__class__.__name__
self.time_based_updaters = []
self.non_time_updaters = []
self.check_for_updaters = False
self.init_updaters()
self.reset_points()
self.init_points()
self.init_colors()
@ -115,7 +113,7 @@ class Mobject(Container):
def assemble_family(self):
sub_families = [sm.get_family() for sm in self.submobjects]
self.family = [self, *it.chain(*sub_families)]
self.refresh_check_for_updater_status()
self.refresh_has_updater_status()
for parent in self.parents:
parent.assemble_family()
return self
@ -237,9 +235,14 @@ class Mobject(Container):
return self.target
# Updating
def init_updaters(self):
self.time_based_updaters = []
self.non_time_updaters = []
self.has_updaters = False
self.updating_suspended = False
def update(self, dt=0, recursive=True):
if not self.check_for_updaters:
if not self.has_updaters or self.updating_suspended:
return self
for updater in self.time_based_updaters:
updater(self, dt)
@ -260,10 +263,7 @@ class Mobject(Container):
return self.time_based_updaters + self.non_time_updaters
def get_family_updaters(self):
return list(it.chain(*[
sm.get_updaters()
for sm in self.get_family()
]))
return list(it.chain(*[sm.get_updaters() for sm in self.get_family()]))
def add_updater(self, update_function, index=None, call_updater=True):
if "dt" in get_parameters(update_function):
@ -276,7 +276,9 @@ class Mobject(Container):
else:
updater_list.insert(index, update_function)
self.resume_updating(call_updater=call_updater)
self.refresh_has_updater_status()
if call_updater:
self.update()
return self
def remove_updater(self, update_function):
@ -301,14 +303,14 @@ class Mobject(Container):
return self
def suspend_updating(self, recursive=True):
self.check_for_updaters = False
self.updating_suspended = True
if recursive:
for submob in self.submobjects:
submob.suspend_updating(recursive)
return self
def resume_updating(self, recursive=True, call_updater=True):
self.refresh_check_for_updater_status()
self.updating_suspended = False
if recursive:
for submob in self.submobjects:
submob.resume_updating(recursive)
@ -318,8 +320,8 @@ class Mobject(Container):
self.update(dt=0, recursive=recursive)
return self
def refresh_check_for_updater_status(self):
self.check_for_updaters = len(self.get_family_updaters()) > 0
def refresh_has_updater_status(self):
self.has_updaters = len(self.get_family_updaters()) > 0
return self
# Transforming operations