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Merge branch 'master' of github.com:3b1b/manim

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This commit is contained in:
Grant Sanderson 2021-02-06 10:37:26 -08:00
commit 1a5a59f40e
2 changed files with 6 additions and 1 deletions
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4
manimlib/mobject/geometry.py
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@ -636,6 +636,10 @@ class Arrow(Line):
super().scale(length / self.get_length()) super().scale(length / self.get_length())
self.rotate(angle_of_vector(vect) - self.get_angle()) self.rotate(angle_of_vector(vect) - self.get_angle())
self.rotate(
PI / 2 - np.arccos(normalize(vect)[2]),
axis=rotate_vector(self.get_unit_vector(), -PI / 2),
)
self.shift(start - self.get_start()) self.shift(start - self.get_start())
self.refresh_triangulation() self.refresh_triangulation()

3
manimlib/mobject/number_line.py
View file

@ -57,6 +57,7 @@ class NumberLine(Line):
super().__init__(self.x_min * RIGHT, self.x_max * RIGHT, **kwargs) super().__init__(self.x_min * RIGHT, self.x_max * RIGHT, **kwargs)
if self.width: if self.width:
self.set_width(self.width) self.set_width(self.width)
self.unit_size = self.get_unit_size()
else: else:
self.scale(self.unit_size) self.scale(self.unit_size)
self.center() self.center()
@ -123,7 +124,7 @@ class NumberLine(Line):
return self.point_to_number(point) return self.point_to_number(point)
def get_unit_size(self): def get_unit_size(self):
return (self.x_max - self.x_min) / self.get_length() return self.get_length() / (self.x_max - self.x_min)
def get_number_mobject(self, x, def get_number_mobject(self, x,
number_config=None, number_config=None,