public-mirrors/3b1b-manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-08-05 16:49:03 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix get_subpath_end_indices_from_points

Browse source
This commit is contained in:
Grant Sanderson 2024-08-23 13:29:31 -05:00
parent bcafcbf490
commit a08523d746
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
manimlib/mobject/types/vectorized_mobject.py
View file

@ -736,10 +736,14 @@ class VMobject(Mobject):
return self.get_bezier_tuples_from_points(self.get_points())
def get_subpath_end_indices_from_points(self, points: Vect3Array) -> np.ndarray:
a0, h = points[0:-1:2], points[1::2]
atol = self.tolerance_for_point_equality
a0, h, a1 = points[0:-1:2], points[1::2], points[2::2]
# An anchor point is considered the end of a path
# if its following handle is sitting on top of it.
is_end = (a0 == h).all(1)
# To disambiguate this from cases with many null
# curves in a row, we also check that the following
# anchor is genuinely distinct
is_end = (a0 == h).all(1) & (abs(h - a1) > atol).any(1)
end_indices = (2 * n for n, end in enumerate(is_end) if end)
return np.array([*end_indices, len(points) - 1])