# -*- coding: utf-8 -*-
# Copyright (C) 2018 Michael Matthews
#
#   This file is part of CutCraft.
#
#   CutCraft is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   CutCraft is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with CutCraft.  If not, see <http://www.gnu.org/licenses/>.

from math import sqrt

class Point(object):
    """ Point (x,y) class suppporting addition for offsets. """
    def __init__(self, x, y):
        self.x = x
        self.y = y

    def distance(self, other):
        """ Distance between two points. """
        x = self.x - other.x
        y = self.y - other.y
        return sqrt(x*x+y*y)

    def tup(self):
        return (self.x, self.y)

    def __eq__(self, other):
        return (self.x == other.x and self.y == other.y)

    def __ne__(self, other):
        return (self.x != other.x or self.y != other.y)

    def __add__(self, other):
        return Point(self.x + other.x, self.y + other.y)

    def __iadd__(self, other):
        self.x += other.x
        self.y += other.y
        return self

    def __sub__(self, other):
        return Point(self.x - other.x, self.y - other.y)

    def __isub__(self, other):
        self.x -= other.x
        self.y -= other.y
        return self

    def __neg__(self):
        return Point(-self.x, -self.y)

    def __repr__(self):
        return "Point(" + str(self.x) + ", " + str(self.y) + ")"

    def __str__(self):
        return "(" + str(self.x) + ", " + str(self.y) + ")"