介绍我们的基础网格

1# 创建一个 10x10 的网格
2grid = Grid.new(10, 10)
3# 获取第 1 行第 2 列的单元格
4cell = grid[1, 2]
5# 遍历网格中的所有单元格
6grid.each_cell do |cell|
7  # 对单元格进行操作
8end

1class Cell
2  attr_reader :row, :column
3  attr_accessor :north, :south, :east, :west
4end

1def initialize(row, column)
2  @row, @column = row, column 
3  @links = {}
4end

1def link(cell, bidi=true)
2  @links[cell] = true
3  cell.link(self, false) if bidi
4end
5
6def unlink(cell, bidi=true) 
7  @links.delete(cell)
8  cell.unlink(self, false) if bidi
9  self
10end

1def links
2  @links.keys
3end
4
5def linked?(cell)
6  @links.key?(cell)
7end

1def neighbors
2  list = []
3  list << north if north 
4  list << south if south 
5  list << east if east 
6  list << west if west 
7  list
8end

1class Cell
2  attr_reader :row, :column
3  attr_accessor :north, :south, :east, :west
4  def initialize(row, column)
5    @row, @column = row, column 
6    @links = {}
7  end
8  def link(cell, bidi=true)
9    @links[cell] = true
10    cell.link(self, false) if bidi
11  end
12
13  def unlink(cell, bidi=true) 
14    @links.delete(cell)
15    cell.unlink(self, false) if bidi
16    self
17  end
18  def neighbors
19    list = []
20    list << north if north 
21    list << south if south 
22    list << east if east 
23    list << west if west 
24    list
25  end
26end