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class Vec2:
def __init__(self, x, y):
self.x = x
self.y = y
def __add__(self, other):
return Vec2(self.x + other.x, self.y + other.y)
def __eq__(self, other):
return (other != None) and (self.x == other.x) and (self.y == other.y)
def neg(self):
return Vec2(-self.x, -self.y)
def toString(self):
return f"({self.x}, {self.y})"
right = Vec2(1, 0)
up = Vec2(0, -1)
left = Vec2(-1, 0)
down = Vec2(0, 1)
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