Merge branch 'master' of hongabar.org:robotgame

This commit is contained in:
Sakse Dalum 2012-08-07 13:21:13 +02:00
commit 9141cc79c8
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#!/usr/bin/env python
# This file is part of ROBOTGAME
#
# ROBOTGAME 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.
#
# ROBOTGAME 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
# ROBOTGAME. If not, see <http://www.gnu.org/licenses/>.
#
# ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
#
# direction.py
# --------------------
# date created : Tue Aug 7 2012
# copyright : (C) 2012 Niels G. W. Serup
# maintained by : Niels G. W. Serup <ns@metanohi.name>
"""Directions."""
class Direction(object):
@staticmethod
def next_pos(pos):
raise NotImplementedError
class Up(Direction):
@staticmethod
def next_pos(pos):
x, y = pos
return x, y - 1
class Right(Direction):
@staticmethod
def next_pos(pos):
x, y = pos
return x + 1, y
class Down(Direction):
@staticmethod
def next_pos(pos):
x, y = pos
return x, y + 1
class Left(Direction):
@staticmethod
def next_pos(pos):
x, y = pos
return x - 1, y