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Added ShowIncreasingSubsets

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Grant Sanderson 2019-01-17 14:09:15 -08:00
parent 3226e4a946
commit 66075aa5d2
1 changed files with 11 additions and 0 deletions
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11
manimlib/animation/creation.py
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@ -113,6 +113,17 @@ class Write(DrawBorderThenFill):
else:
self.run_time = 2
class ShowIncreasingSubsets(Animation):
def __init__(self, group, **kwargs):
self.all_submobs = group.submobjects
Animation.__init__(self, group, **kwargs)
def update_mobject(self, alpha):
n_submobs = len(self.all_submobs)
index = int(alpha * n_submobs)
self.mobject.submobjects = self.all_submobs[:index]
# Fading