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Bug fix to Arrow

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This commit is contained in:
Grant Sanderson 2018-08-23 14:45:15 -07:00
parent 499080fb97
commit 6a781d0737
1 changed files with 1 additions and 1 deletions
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2
mobject/geometry.py
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@ -600,7 +600,7 @@ class Arrow(Line):
return self return self
def get_normal_vector(self): def get_normal_vector(self):
p0, p1, p2 = self.tip[0].get_anchors() p0, p1, p2 = self.tip[0].get_anchors()[:3]
result = np.cross(p2 - p1, p1 - p0) result = np.cross(p2 - p1, p1 - p0)
norm = get_norm(result) norm = get_norm(result)
if norm == 0: if norm == 0: