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Small tweaks to number_to_point

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Grant Sanderson 2023-01-19 20:25:29 -08:00
parent debc68a3b4
commit 2290f810ca
1 changed files with 5 additions and 4 deletions
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9
manimlib/mobject/number_line.py
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@ -119,13 +119,14 @@ class NumberLine(Line):
return self.ticks return self.ticks
def number_to_point(self, number: float | VectN) -> Vect3 | Vect3Array: def number_to_point(self, number: float | VectN) -> Vect3 | Vect3Array:
start = self.get_points()[0]
end = self.get_points()[-1]
alpha = (number - self.x_min) / (self.x_max - self.x_min) alpha = (number - self.x_min) / (self.x_max - self.x_min)
return outer_interpolate(self.get_start(), self.get_end(), alpha) return outer_interpolate(start, end, alpha)
def point_to_number(self, point: Vect3 | Vect3Array) -> float | VectN: def point_to_number(self, point: Vect3 | Vect3Array) -> float | VectN:
points = self.get_points() start = self.get_points()[0]
start = points[0] end = self.get_points()[-1]
end = points[-1]
vect = end - start vect = end - start
proportion = fdiv( proportion = fdiv(
np.dot(point - start, vect), np.dot(point - start, vect),