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Make sure scene doesn't re-add animated submobjects that are already part of the scene via some other mobject

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This commit is contained in:
Grant Sanderson 2018-08-13 14:13:30 -07:00
parent d6996452e5
commit be52b795df
1 changed files with 4 additions and 1 deletions
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5
scene/scene.py
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@ -216,6 +216,9 @@ class Scene(Container):
return num_families == 1
return list(filter(is_top_level, mobjects))
def get_mobject_family_members(self):
return self.camera.extract_mobject_family_members(self.mobjects)
def separate_mobjects_and_continual_animations(self, mobjects_or_continual_animations):
mobjects = []
continual_animations = []
@ -461,7 +464,7 @@ class Scene(Container):
animation.update_config(**kwargs)
# Anything animated that's not already in the
# scene gets added to the scene
if animation.mobject not in self.mobjects:
if animation.mobject not in self.get_mobject_family_members():
self.add(animation.mobject)
moving_mobjects = self.get_moving_mobjects(*animations)