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In add_n_more_submobjects, for the benefit of align_submobjects, make it so that new copies are only ghosted out if there is some transparency at play

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This commit is contained in:
Grant Sanderson 2021-01-05 18:00:34 -08:00
parent bfa36a7659
commit 556ffb192f
1 changed files with 18 additions and 3 deletions
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21
manimlib/mobject/mobject.py
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@ -680,10 +680,20 @@ class Mobject(object):
return self
def get_color(self):
raise Exception("Not implemented")
# Subclasses will implement this differently, but here it
# just returns the first opacity offered by a submobject
if self.submobjects:
return self.submobjects[0].get_color()
else:
return self.color
def get_opacity(self):
raise Exception("Not implemented")
# Subclasses will implement this differently, but here it
# just returns the first opacity offered by a submobject
if self.submobjects:
return self.submobjects[0].get_opacity()
else:
return 1
def set_color_by_gradient(self, *colors):
self.set_submobject_colors_by_gradient(*colors)
@ -1130,7 +1140,12 @@ class Mobject(object):
for submob, sf in zip(self.submobjects, split_factors):
new_submobs.append(submob)
for k in range(1, sf):
new_submobs.append(submob.copy().fade(1))
new_submob = submob.copy()
# If the submobject is at all transparent, then
# make the copy completely transparent
if submob.get_opacity() < 1:
new_submob.set_opacity(0)
new_submobs.append(new_submob)
self.set_submobjects(new_submobs)
return self