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Fixed Succession bug which had resulted in incompletely drawn subanimations

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This commit is contained in:
Sridhar Ramesh 2018-02-19 14:31:36 -08:00
parent b06e8818f4
commit b4b47c8439
1 changed files with 9 additions and 0 deletions
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9
animation/simple_animations.py
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@ -452,11 +452,18 @@ class Succession(Animation):
self.mobject.add(m) self.mobject.add(m)
self.mobject.add(self.animations[index].mobject) self.mobject.add(self.animations[index].mobject)
for i in range(index):
self.animations[i].update(1)
self.current_anim_index = index self.current_anim_index = index
self.current_alpha = self.critical_alphas[index] self.current_alpha = self.critical_alphas[index]
def update_mobject(self, alpha): def update_mobject(self, alpha):
if alpha == self.current_alpha:
return
if self.num_anims == 0: if self.num_anims == 0:
self.current_alpha = alpha
return return
i = 0 i = 0
@ -474,6 +481,7 @@ class Succession(Animation):
alpha alpha
) )
self.animations[i].update(sub_alpha) self.animations[i].update(sub_alpha)
self.current_alpha = alpha
def clean_up(self, *args, **kwargs): def clean_up(self, *args, **kwargs):
# We clean up as though we've played ALL animations, even if # We clean up as though we've played ALL animations, even if
@ -514,3 +522,4 @@ class EmptyAnimation(Animation):
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
return Animation.__init__(self, Group(), *args, **kwargs) return Animation.__init__(self, Group(), *args, **kwargs)