def __init__(self, src: Coord, dst: Coord, parent: 'Node' = None):
self.position = src
self.h = src.manhattan_to(dst)
self.g = 0 if parent is None else parent.g + 1
self.f = self.h + self.g
self.parent = parent
def __init__(self, src: Coord, dst: Coord, parent: 'Node' = None):
self.position = src
self.h = src.manhattan_to(dst)
self.g = 0 if parent is None else parent.g + 1
self.f = self.h + self.g
self.parent = parent
