# ###################################################
# Copyright (C) 2008-2014 The Unknown Horizons Team
# team@unknown-horizons.org
# This file is part of Unknown Horizons.
#
# Unknown Horizons 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
# ###################################################

from horizons.util.shapes import Rect

class RadiusShape(object):
	"""Class for generic shapes with a radius.
	The shape includes everything, that the center contains plus every point,
	for which this holds: distance(point, center) <= radius
	The center can by any other shape.
	If the center is a point, it's actually a circle.
	"""
	def __init__(self, center, radius):
		self.center = center
		self.radius = radius

class RadiusRect(RadiusShape):
	"""Specialization of RadiusShape with a Rect as center"""
	def __init__(self, center, radius):
		assert isinstance(center, Rect)
		super(RadiusRect, self).__init__(center, radius)
