def get_primary_axes(self):
return [
Line.from_points([
Vec2(self.rect.min_point.x, self.rect.center.y),
Vec2(self.rect.max_point.x, self.rect.center.y)
]),
Line.from_points([
Vec2(self.rect.center.x, self.rect.min_point.y),
Vec2(self.rect.center.x, self.rect.max_point.y)
])
]
def intersects(self, shape: Polygon) -> bool:
"""Check whether this wall intersects a Polygon."""
segment_line = self.line_segment.line
vertex1, vertex2 = self.line_segment.points
relative_sides = ((p, segment_line.point_left(p)) for p in shape)
for (p1, s1), (p2, s2) in islice(pairwise(cycle(relative_sides)),
len(shape)):
if s1 is not s2:
# p1 and p2 are on opposite sides of the line that contains this wall
edge = Line.from_points([p1, p2])
if edge.point_left(vertex1) is not edge.point_left(vertex2):
return True
return False
def get_primary_axes(self):
return [Line.from_points([Vec2(self.rect.min_point.x, self.rect.center.y),
Vec2(self.rect.max_point.x, self.rect.center.y)]),
Line.from_points([Vec2(self.rect.center.x, self.rect.min_point.y),
Vec2(self.rect.center.x, self.rect.max_point.y)])]
