life: cau/grid.py@a131769728f1

     1 """

     2 Description: Cellular automata grid.

     3 Author: Eugen Sawin <sawine@me73.com>

     4 """

     6 class Grid(object):

     7 	def __init__(self):

     8 		self.cells = {}

     9 		self.valuemap = {}

    10 		self.minx = 0

    11 		self.maxx = 0

    12 		self.miny = 0

    13 		self.maxy = 0

    15 	def set(self, pos, value=1):

    16 		if pos in self.cells and value != self.cells[pos]:

    17 			self.clear(pos)

    18 		if not pos in self.cells:

    19 			self.cells[pos] = value

    20 			if value in self.valuemap:

    21 				self.valuemap[value].append(pos)

    22 			else:

    23 				self.valuemap[value] = [pos]

    24 			self.update(pos)

    25 		return self

    27 	def clear(self, pos):

    28 		if pos in self.cells:

    29 			self.valuemap[self.cells[pos]].remove(pos)

    30 			del self.cells[pos]

    31 			self.update(pos)

    32 		return self

    34 	def update(self, (x, y)):

    35 		self.minx = min(x, self.minx)

    36 		self.maxx = max(x, self.maxx)

    37 		self.miny = min(y, self.miny)

    38 		self.maxy = max(y, self.maxy)

    39 		return self

    41 	def width(self):

    42 		return self.maxx - self.minx + 1

    44 	def height(self):

    45 		return self.maxy - self.miny + 1

    47 	def __len__(self):

    48 		return len(self.cells)

    50 	def __str__(self):

    51 		pass

author	Eugen Sawin <sawine@me73.com>
	Mon, 18 Jul 2011 00:51:04 +0200
changeset 11	a131769728f1
parent 7	95ea605276a3
permissions	-rw-r--r--