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Added sort_submobjects_alphabetically to TexMobject

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This commit is contained in:
Grant Sanderson
2018-03-06 18:24:25 -08:00
parent 9e50d4b371
commit e566bd8c5c
1 changed files with 10 additions and 3 deletions
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13
mobject/tex_mobject.py
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@ -199,9 +199,16 @@ class TexMobject(SVGMobject):
return self.index_of_part(part)
def organize_submobjects_left_to_right(self):
self.submobjects.sort(
lambda m1, m2 : int((m1.get_left()-m2.get_left())[0])
)
self.sort_submobjects(lambda p : p[0])
return self
def sort_submobjects_alphabetically(self):
def alphabetical_cmp(m1, m2):
if not all([isinstance(m, TexMobject) for m in m1, m2]):
return 0
return cmp(m1.get_tex_string(), m2.get_tex_string())
self.submobjects.sort(alphabetical_cmp)
return self
def add_background_rectangle(self, color = BLACK, opacity = 0.75):
self.background_rectangle = BackgroundRectangle(