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Small bug fix for angle_between_vectors

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Grant Sanderson 2021-11-17 12:49:53 -08:00
parent 25045143a1
commit fbc329d7ce
1 changed files with 2 additions and 1 deletions
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3
manimlib/utils/space_ops.py
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@ -10,6 +10,7 @@ from manimlib.constants import OUT
from manimlib.constants import PI from manimlib.constants import PI
from manimlib.constants import TAU from manimlib.constants import TAU
from manimlib.utils.iterables import adjacent_pairs from manimlib.utils.iterables import adjacent_pairs
from manimlib.utils.simple_functions import clip
def cross(v1, v2): def cross(v1, v2):
@ -174,7 +175,7 @@ def angle_between_vectors(v1, v2):
Returns the angle between two 3D vectors. Returns the angle between two 3D vectors.
This angle will always be btw 0 and pi This angle will always be btw 0 and pi
""" """
return math.acos(np.dot(normalize(v1), normalize(v2))) return math.acos(clip(np.dot(normalize(v1), normalize(v2)), -1, 1))
def project_along_vector(point, vector): def project_along_vector(point, vector):