def move_by_waypoint(directions):
way_point = PathPoint(10, 1, 0)
ship = Point(0, 0)
for direction in directions:
code = direction[0]
argument = int(direction[1:])
if code == "F":
ship_x = ship.x_coordinate + argument * way_point.get_point(
).x_coordinate
ship_y = ship.y_coordinate + argument * way_point.get_point(
).y_coordinate
ship = Point(ship_x, ship_y)
elif code in ("C", "A"):
if code == "C":
turn = TurnDirection.RIGHT
else:
turn = TurnDirection.LEFT
new_way_point = rotate(Point(0, 0), way_point.get_point(), turn,
argument)
way_point = PathPoint(new_way_point.x_coordinate,
new_way_point.y_coordinate, 0)
else:
way_path = make_path(way_point, direction)
way_point = way_path[-1]
return ship
def test_RIGHT(self):
origin = PathPoint(0, 0, 0)
result = [
origin,
PathPoint(1, 0, 1),
PathPoint(2, 0, 2),
PathPoint(3, 0, 3),
PathPoint(4, 0, 4),
PathPoint(5, 0, 5)
]
self.assertListEqual(make_path(origin, "R5"), result)
def test_Down(self):
origin = PathPoint(-2, 3, 0)
result = [
origin,
PathPoint(-2, 2, 1),
PathPoint(-2, 1, 2),
PathPoint(-2, 0, 3),
PathPoint(-2, -1, 4),
PathPoint(-2, -2, 5)
]
self.assertListEqual(make_path(origin, "D5"), result)
def test_LEFT(self):
origin = PathPoint(2, 0, 0)
result = [
origin,
PathPoint(1, 0, 1),
PathPoint(0, 0, 2),
PathPoint(-1, 0, 3),
PathPoint(-2, 0, 4),
PathPoint(-3, 0, 5)
]
self.assertListEqual(make_path(origin, "L5"), result)
def test_EAST(self):
origin = PathPoint(0, 0, 0)
result = [
origin,
PathPoint(1, 0, 1),
PathPoint(2, 0, 2),
PathPoint(3, 0, 3),
PathPoint(4, 0, 4),
PathPoint(5, 0, 5)
]
self.assertListEqual(make_path(origin, "F5", CardinalPoint.EAST),
result)
def test_SOUTH(self):
origin = PathPoint(-2, 3, 0)
result = [
origin,
PathPoint(-2, 2, 1),
PathPoint(-2, 1, 2),
PathPoint(-2, 0, 3),
PathPoint(-2, -1, 4),
PathPoint(-2, -2, 5)
]
self.assertListEqual(make_path(origin, "F5", CardinalPoint.SOUTH),
result)
def test_EmptyPath(self):
origin = PathPoint(0, 0, 0)
self.assertListEqual(make_path(origin, ""), [origin])