def cos(angle):
return cosr(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 cos(a): return cosr(rad(a))
def cos(angle):
return cosr(radians(angle))