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Up to three lines chain rule in eoc4

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This commit is contained in:
Grant Sanderson
2017-02-16 20:21:35 -08:00
parent 3535b39dd1
commit aa9384c9b6
2 changed files with 415 additions and 22 deletions
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13
mobject/tex_mobject.py
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@ -85,10 +85,11 @@ class TexMobject(SVGMobject):
tex.count(char)
for char in "{}"
]
if tex.startswith("{") and num_lefts > num_rights:
return tex[1:]
elif tex.endswith("}") and num_rights > num_lefts:
return tex[:-1]
if num_rights > num_lefts:
backwards = tex[::-1].replace("}", "", num_rights-num_lefts)
tex = backwards[::-1]
elif num_lefts > num_rights:
tex = tex.replace("{", "", num_lefts-num_rights)
return tex
@ -109,13 +110,13 @@ class TexMobject(SVGMobject):
self.submobjects = new_submobjects
return self
def highlight_by_tex(self, tex, color):
def highlight_by_tex(self, tex, color, substring = True):
if not hasattr(self, "expression_parts"):
if tex == self.get_tex_string():
self.highlight(color)
return self
for submob, part_tex in zip(self.split(), self.expression_parts):
if part_tex == tex:
if (part_tex == tex) or (substring and tex in part_tex):
submob.highlight(color)
return self