def _read_ground_line_config(self, ground_line_config):
points = [Vector2(x) for x in ground_line_config["points"]]
shape = Polyline.from_points(points)
color = tuple(ground_line_config["color"])
width = ground_line_config["width"]
graphic = PolylineGraphic(shape, color, width)
return Ground(shape, graphic)
def test_from_points_fails_when_degenerate_lines(self):
with pytest.raises(ValueError) as e:
Polyline.from_points([Vector2(0, 0), Vector2(0, 0), Vector2(1, 3)])
assert "The Line must have a positive length" == str(e.value)
def polyline_graphic(self):
polyline = Polyline.from_points(
[Vector2(0, 0), Vector2(1, 2),
Vector2(5, 4)])
return PolylineGraphic(polyline, (1, 2, 3), 2)
def test_from_points_sets_data_members_correctly(self):
polyline = Polyline.from_points(
[Vector2(0, 0), Vector2(0, 1),
Vector2(1, 3)])
assert line_eq(polyline.lines[0], Line(Vector2(0, 0), Vector2(0, 1)))
assert line_eq(polyline.lines[1], Line(Vector2(0, 1), Vector2(1, 3)))