def is_close_to(self, other: 'Position', threshold: float):
x_diff = self.point.x * threshold if self.point.x else threshold
y_diff = self.point.y * threshold if self.point.y else threshold
x_point = self.point.x + x_diff
y_point = self.point.y + y_diff
new_pos = Position(x_point, y_point)
radius = self.calculate_distance_from(new_pos)
area = Circle(self.point, radius)
return area.encloses_point(other.point)
def enclosing_circle(P: [Point]):
C_min = Circle(Point(250, 250), 10000)
# Two points
for a in P:
for b in P:
if b == a:
continue
C = get_circle(a, b)
for d in P:
if d == b or d == a:
continue
if not C.encloses_point(d):
break
else:
if C.radius < C_min.radius:
C_min = C
# Three points
for a in P:
for b in P:
if b == a:
continue
for c in P:
if c == a or c == b:
continue
C = Circle(a, b, c)
for d in P:
if d == a or d == b or d == c:
continue
if not C.encloses_point(d):
break
else:
if C.radius < C_min.radius:
C_min = C
return C_min