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Beginnings of TOP project

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This commit is contained in:
Grant Sanderson
2016-04-23 23:36:05 -07:00
parent 2c17488fb2
commit af1ea057ad
12 changed files with 579 additions and 70 deletions
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8
topics/geometry.py
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@ -113,6 +113,7 @@ class Arrow(Line):
"color" : YELLOW_C,
"tip_length" : 0.25,
"buff" : 0.3,
"propogate_style_to_family" : True,
}
def __init__(self, *args, **kwargs):
if len(args) == 1:
@ -145,6 +146,13 @@ class Vector(Arrow):
def __init__(self, start, direction, **kwargs):
Arrow.__init__(self, start, end, **kwargs)
class DoubleArrow(Arrow):
def __init__(self, *args, **kwargs):
Arrow.__init__(self, *args, **kwargs)
self.start, self.end = self.end, self.start
self.add_tip()
self.start, self.end = self.end, self.start
class Cross(VMobject):
CONFIG = {
"color" : YELLOW,