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Changed how PiCreatureScene gets creature to look at animated mobjects

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Grant Sanderson 2017-01-18 17:26:47 -08:00
parent b0e53b8f2a
commit aa9d1822c7
1 changed files with 16 additions and 19 deletions
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35
topics/characters.py
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@ -293,28 +293,25 @@ class PiCreatureScene(Scene):
self.pi_creature.change_mode, target_mode
]
def play(self, *args, **kwargs):
def compile_play_args_to_animation_list(self, *args):
animations = Scene.compile_play_args_to_animation_list(self, *args)
if self.pi_creature not in self.get_mobjects():
Scene.play(self, *args, **kwargs)
return
return animations
if len(animations) == 0:
return animations
first_anim = animations[0]
if first_anim.mobject is self.pi_creature:
return animations
if inspect.ismethod(args[0]):
mobject_of_interest = args[0].im_self
elif isinstance(args[0], Transform):
if args[0].mobject is self.pi_creature:
mobject_of_interest = self.pi_creature
else:
mobject_of_interest = args[0].ending_mobject
elif isinstance(args[0], Animation):
mobject_of_interest = args[0].mobject
if isinstance(first_anim, Transform):
mobject_of_interest = first_anim.ending_mobject
else:
raise Exception("Invalid play args")
if mobject_of_interest is self.pi_creature:
new_anims = []
else:
new_anims = [self.pi_creature.look_at, mobject_of_interest]
Scene.play(self, *list(args) + new_anims, **kwargs)
mobject_of_interest = first_anim.mobject
new_anim = ApplyMethod(
self.pi_creature.look_at,
mobject_of_interest
)
return list(animations) + [new_anim]
def blink(self):
self.play(Blink(self.pi_creature))