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Add case for zero vectors on angle_between_vectors

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Grant Sanderson
2022-04-11 09:59:24 -07:00
parent d7bdcab161
commit e8ac25903e
1 changed files with 2 additions and 0 deletions
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2
manimlib/utils/space_ops.py
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@ -152,6 +152,8 @@ def angle_between_vectors(v1: np.ndarray, v2: np.ndarray) -> float:
""" """
n1 = get_norm(v1) n1 = get_norm(v1)
n2 = get_norm(v2) n2 = get_norm(v2)
if n1 == 0 or n2 == 0:
return 0
cos_angle = np.dot(v1, v2) / (n1 * n2) cos_angle = np.dot(v1, v2) / (n1 * n2)
return math.acos(clip(cos_angle, -1, 1)) return math.acos(clip(cos_angle, -1, 1))