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is_equal -> is_colinear

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Matt Low
2020-11-15 18:56:13 +04:00
parent b7475a44f2
commit 36ce94d3de
2 changed files with 4 additions and 5 deletions
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2
geom/demos/sat.py
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@ -76,7 +76,7 @@ class SeparatingAxisTheorem:
def add_if_not_exists(normal): def add_if_not_exists(normal):
for existing in normals: for existing in normals:
if is_equal(*existing, *normal): if is_colinear(*existing, *normal):
return return
normals.append(normal) normals.append(normal)

7
geom/math.py
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@ -58,8 +58,7 @@ def vmax(x1, y1, x2, y2):
return max(x1, x2), max(y1, y2) return max(x1, x2), max(y1, y2)
def is_equal(x1, y1, x2, y2): def is_colinear(x1, y1, x2, y2):
"""Returns true if two unit vectors are pointed in either the same or """Returns whether two unit vectors are pointed in the same or
opposite directions. opposite directions."""
"""
return math.isclose(abs(dot(x1, y1, x2, y2)), 1, rel_tol=1e-05) return math.isclose(abs(dot(x1, y1, x2, y2)), 1, rel_tol=1e-05)