def test_perpendicular(self):
p = Point(1, 1, 0)
q = Point(0, 0, 1)
r = Point(1, 2, 3)
l = Line(p, q)
m = l.perpendicular(p)
assert l.meet(m) == p
assert is_perpendicular(l, m)
m = l.perpendicular(r)
assert is_perpendicular(l, m)
e = Plane(l, r)
m = e.perpendicular(p)
assert e.meet(m) == p
assert is_perpendicular(l, m)
m = e.perpendicular(p + m.direction)
assert e.meet(m) == p
assert is_perpendicular(l, m)
f = e.perpendicular(l)
assert e.meet(f) == l
assert is_perpendicular(e, f)
def test_perpendicular(self):
p = Point(1, 1, 0)
q = Point(0, 0, 1)
l = Line(p, q)
m = l.perpendicular(p)
assert is_perpendicular(l, m)
r = Point(1, 2, 3)
e = Plane(p, q, r)
m = e.perpendicular(p)
assert is_perpendicular(l, m)
