def test_reflect():
"""Test the Plane reflect method."""
pt = Point3D(2, 2, 2)
vec = Vector3D(0, 2, 0)
plane = Plane(vec, pt)
origin_1 = Point3D(0, 1, 2)
origin_2 = Point3D(1, 1, 2)
normal_1 = Vector3D(0, 1, 0)
normal_2 = Vector3D(-1, 1, 0).normalize()
assert plane.reflect(normal_1, origin_1).o == Point3D(2, 0, 2)
assert plane.reflect(normal_1, origin_1).n == Vector3D(0, -1, 0)
assert plane.reflect(normal_1, origin_2).o == Point3D(2, 0, 2)
assert plane.reflect(normal_1, origin_2).n == Vector3D(0, -1, 0)
test_1 = plane.reflect(normal_2, origin_2)
assert test_1.o == Point3D(2, 2, 2)
assert test_1.n.x == pytest.approx(1, rel=1e-3)
assert test_1.n.y == pytest.approx(0, rel=1e-3)
assert test_1.n.z == pytest.approx(0, rel=1e-3)
test_2 = plane.reflect(normal_2, origin_1)
assert test_2.o.x == pytest.approx(1, rel=1e-3)
assert test_2.o.y == pytest.approx(3, rel=1e-3)
assert test_2.o.z == pytest.approx(2, rel=1e-3)
assert test_2.n.x == pytest.approx(1, rel=1e-3)
assert test_2.n.y == pytest.approx(0, rel=1e-3)
assert test_2.n.z == pytest.approx(0, rel=1e-3)
def reflect(self, plane):
"""Reflect this view across a plane.
Args:
plane: A ladybug_geometry Plane across which the object will
be reflected.
"""
view_up_vector = pv.Vector3D(*self.up_vector)
view_position = pv.Point3D(*self.position)
view_direction = pv.Vector3D(*self.direction)
view_plane = Plane(n=view_up_vector, o=view_position, x=view_direction)
ref_plane = view_plane.reflect(plane.n, plane.o)
self._apply_plane_properties(ref_plane, view_direction, view_up_vector)
