# pi = C / d
# pi = C when d = 1
from math import sin as sinr, radians, pi
from time import sleep
sin = lambda a: sinr(radians(a))
def get_inner_circumference(sides):
inner_angle = 360 / sides
other_angles = (180 - inner_angle) / 2
side = (sin(inner_angle) * 0.5) / sin(other_angles)
return side * sides
def get_outer_circumference(sides):
inner_angle = 360 / sides
other_angles = (180 - inner_angle) / 2
cross_bar = get_inner_circumference(sides) / sides
other_angles = 90 - other_angles
vertex_angle = 180 - (2 * other_angles)
half_side = (sin(other_angles) * cross_bar) / sin(vertex_angle)
return half_side * sides * 2
def get_circumference(sides):
inner = get_inner_circumference(sides)
outer = get_outer_circumference(sides)
return (inner + outer) / 2
def sin(angle):
return sinr(radians(angle))
from math import sqrt, sin as sinr, cos as cosr, atan as atanr, radians, degrees
sin = lambda x: sinr(radians(x))
cos = lambda x: cosr(radians(x))
atan = lambda x: degrees(atanr(x))
def from_polar(size, angle):
return [sin(angle) * size, cos(angle) * size]
def to_polar(a):
return {"size": size(a), "angle": angle(a)}
def size(a):
return sqrt(sum(val**2 for val in a))
def angle(a):
return 90 if a[1] == 0 else atan(a[0] / a[1])
def _vectorise_binary(func):
def new_func(a, b):
try:
return [func(val_a, val_b) for val_a, val_b in zip(a, b)]
except TypeError:
return [func(val, b) for val in a]
return new_func
def sin(a): return sinr(rad(a))
def sin(angle):
return sinr(radians(angle))
