25 lines
509 B
Python
25 lines
509 B
Python
from math import hypot
|
|
|
|
class Vector:
|
|
|
|
def __init__(self, x=0, y=0):
|
|
self.x = x
|
|
self.y = y
|
|
|
|
def __repr__(self):
|
|
return 'Vector(%r, %r)' % (self.x, self.y)
|
|
|
|
def __abs__(self):
|
|
return hypot(self.x, self.y)
|
|
|
|
def __bool__(self):
|
|
return bool(abs(self))
|
|
|
|
def __add__(self, other):
|
|
x = self.x + other.x
|
|
y = self.y + other.y
|
|
return Vector(x, y)
|
|
|
|
def __mul__(self, scalar):
|
|
return Vector(self.x * scalar, self.y * scalar)
|