Created
August 13, 2015 15:11
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class Board | |
attr_reader :grid | |
def initialize(grid = nil) | |
@grid = grid || self.class.default_grid | |
end | |
def self.default_grid | |
Array.new(10) { Array.new(10) } | |
end | |
def count | |
@grid.inject(0) { |sum, row| sum += row.count(:s) } | |
end | |
def empty?(*pos) | |
if pos.empty? | |
@grid.flatten.all? { |el| el.nil? } | |
else | |
x, y = pos.flatten | |
@grid[y][x].nil? | |
end | |
end | |
def display | |
col_idx = " |" | |
@grid.each_index { |i| col_idx += " #{i} |" } | |
col_idx += "\n" + "-" * 44 + "\n" | |
board_without_col_idx = "" | |
@grid.each_with_index do |row, i| | |
board_without_col_idx += " #{i} |" | |
row.each { |el| board_without_col_idx += " #{el || ' '} |" } | |
board_without_col_idx += "\n" | |
board_without_col_idx += "-" * 44 + "\n" | |
end | |
puts col_idx + board_without_col_idx | |
end | |
def full? | |
@grid.flatten.all? { |el| !el.nil? } | |
end | |
def place_random_ship | |
raise "Board is full" if self.full? | |
taken_pos = [] | |
x = rand(0...@grid.size) | |
y = rand(0...@grid.size) | |
if !taken_pos.include?([x, y]) | |
@grid[y][x] = :s | |
taken_pos << [x, y] | |
end | |
end | |
def won? | |
empty? | |
end | |
end |
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