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Have rotation_between_vectors handle identical/similar vectors

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This commit is contained in:
Grant Sanderson 2021-11-18 17:52:48 -08:00
parent eea3c6b294
commit 407c53f97c
1 changed files with 2 additions and 0 deletions
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2
manimlib/utils/space_ops.py
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@ -157,6 +157,8 @@ def z_to_vector(vector):
def rotation_between_vectors(v1, v2): def rotation_between_vectors(v1, v2):
if np.all(np.isclose(v1, v2)):
return np.identity(3)
return rotation_matrix( return rotation_matrix(
angle=angle_between_vectors(v1, v2), angle=angle_between_vectors(v1, v2),
axis=normalize(np.cross(v1, v2)) axis=normalize(np.cross(v1, v2))