def test_intersection(self):
c = Circle(Point(0, 2), 2)
l = Line(Point(-1, 2), Point(1, 2))
assert c.contains(Point(0, 0))
assert c.intersect(l) == [Point(-2, 2), Point(2, 2)]
assert c.intersect(l-Point(0, 2)) == [Point(0, 0)]
def test_intersect(self):
c = Circle(Point(0, 2), 2)
l = Line(Point(-1, 2), Point(1, 2))
assert c.contains(Point(0, 0))
assert c.intersect(l) == [Point(-2, 2), Point(2, 2)]
assert c.intersect(l - Point(0, 2)) == [Point(0, 0)]
l = LineCollection(
[Line(Point(-1, 2), Point(1, 2)),
Line(Point(0, 2), Point(0, 0))])
assert c.intersect(l) == [
PointCollection([Point(-2, 2), Point(0, 0)]),
PointCollection([Point(2, 2), Point(0, 4)]),
]
c1 = Circle(Point(0, 0), 5)
c2 = Circle(Point(8, 0), 5)
intersections = c1.intersect(c2)
assert Point(4, 3) in intersections
assert Point(4, -3) in intersections
def test_intersect(self):
c = Circle(Point(0, 2), 2)
l = Line(Point(-1, 2), Point(1, 2))
assert c.contains(Point(0, 0))
assert c.intersect(l) == [Point(-2, 2), Point(2, 2)]
assert c.intersect(l - Point(0, 2)) == [Point(0, 0)]
l = LineCollection([Line(Point(-1, 2), Point(1, 2)), Line(Point(0, 2), Point(0, 0))])
assert c.intersect(l) == [PointCollection([Point(-2, 2), Point(0, 0)]),
PointCollection([Point(2, 2), Point(0, 4)])]
c1 = Circle(Point(0, 0), 5)
c2 = Circle(Point(8, 0), 5)
intersections = c1.intersect(c2)
assert Point(4, 3) in intersections
assert Point(4, -3) in intersections
c1 = Circle(Point(0, 0))
c2 = Circle(Point(0.5, 0))
i = c1.intersect(c2)
assert len(i) == 4
assert len([p for p in i if p.isreal]) == 2
def test_contains(self):
c = Circle(Point(0, 1), 1)
assert c.contains(Point(0, 2))
assert c.contains(Point(1, 1))
def test_circle(self):
c = Circle(Point(0, 1), 1)
assert c.contains(Point(0, 2))
assert c.contains(Point(1, 1))
assert c.tangent(at=Point(0, 0)) == Line(0, 1, 0)
assert c.center == Point(0, 1)