def setup(self):
points = [(1, 1), (-1, 1), (-1, -1), (1, -1), (.1, .1), (-.1, .1),
(-.1, -.1), (.1, -.1)]
self.angles = Polygon.get_angles_for_points_from_point((0, 0), points)
self.relative_angles = [
Polygon.delta_angle(a, 90) for a in self.angles
]
def build_polygon(self):
if self._n_parts_alive <= 1:
self._callback("broken")
raise PartConnectionError("Not enough parts")
lines = []
for part, next_part in self._pairwise():
lines.append(Line([(part.position.x, part.position.z), (next_part.position.x, next_part.position.z)]))
polygon = Polygon(lines)
#if self.validate_connection_function(polygon):
return polygon
def __init__(self, view_class=BaseView):
self.meshes = {}
self.mesh_factory = factory
self._view_class = view_class
self.pre_factorized_views = []
if view_class == BaseView:
above_camera = MutableOffsets(0, -100, 0)
zero = MutableOffsets(0, 0, 0)
no_angle = MutableDegrees(0, 0, 0)
no_acceleration = MutableOffsets(0, 0, 0)
no_torque = MutableDegrees(0, 0, 0)
bb = Polygon.manufacture([(0, 0)])
self.dummy_model = BaseModel(position=above_camera, rotation=no_angle,
movement=zero, spin=no_angle, acceleration=no_acceleration,
torque=no_torque, bounding_box=bb)
self.pre_factorized_views = [self._prefactorize() for i in range(200)]
def __init__(self, polygon: Polygon, material: OpenGLMaterial):
self.material = material
self.polygon = polygon
self.line_triples: Dict[Line, Tuple[Line, Line]] = {
t: (p, n)
for p, t, n in polygon.lines_outer_triplets()
}
self.line_faces: Dict[Line, Tuple[OpenGLFace, OpenGLFace]] = {
l: self.make_faces(l)
for l in polygon.lines
}
faces = list(chain(*self.line_faces.values()))
for line in polygon.lines:
line.observe(self.line_callback, "move")
self.line_callback(line)
super().__init__(faces, [])
def setup(self):
self.target = Polygon.manufacture([(-5, 0), (-2, -3), (1, 0), (-2, 3)])
def setup(self):
self.target = Polygon.manufacture([(-5, -5), (5, -5), (5, 5), (-5, 5)])
def setup(self):
poly1 = Polygon.manufacture([(-5, 0), (-2, -3), (1, 0), (-2, 3)])
poly2 = Polygon.manufacture([(5, 0), (2, -3), (-1, 0), (2, 3)])
self.bb_intersection = poly1.bounding_box_intersects(poly2)
self.intersects, self.x, self.y = poly1.intersection_point(poly2)
def test_moving_left_and_freezing_moves_all_original_xes_of_lines_left(
self):
self.target.set_position_rotation(-1, 0, 0)
self.target.freeze()
assert set([line.original_x1 for line in self.target.lines]) == {-6, 4}
class TestPolygonArea(object):
def setup(self):
self.target = ClosedPolygon.manufacture([(-1, -1), (-1, 1), (1, 1),
(1, -1)])
def test_area_is_four(self):
assert self.target.area() == 4
def test_centroid(self):
assert self.target._centroid() == (0, 0)
p1 = Polygon.manufacture([(0.46, -1.21), (1.29, -1.78), (1.86, -0.95),
(1.03, -0.38)])
p2 = Polygon.manufacture([(0.5, 0.5), (-0.5, 0.5), (-0.5, -0.5), (0.5, -0.5)])
@pytest.mark.parametrize("line1,line2", product(p1.lines, p2.lines))
def test_lines_that_should_not_intersect(line1, line2):
if line1.bounding_box_intersects(line2):
intersects, x, y = line1.intersection_point(line2)
assert not intersects
def setup(self):
points = [(0, 0), (1, 1), (-1, 1), (-1, -1), (1, -1), (.1, .1),
(-.1, .1), (-.1, -.1), (.1, -.1)]
self.hull = Polygon.convex_hull(points)