Queen.rb

require_relative 'Piece'

class Queen < Piece
	def initialize x,y,board,color
		super x,y,board,color,10
	end

	def check_possible_moves
		@possible_moves = []
		if @alive
			possible_moves = []
			xy=[[1,0],[0,-1],[-1,0],[0,1],[1,1],[1,-1],[-1,1],[-1,-1]]
			(1..8).each do |i|
				moves = xy.map{|m| [@x+m[0]*i,@y+m[1]*i]}
				i=0
				n=moves.length
				while i<n
					if moves[i][0]>0 and moves[i][1]>0 and moves[i][0]<=8 and moves[i][1]<=8 and @board[moves[i][0]][moves[i][1]].piece != nil
						xy.delete_at(i)
						if @board[moves[i][0]][moves[i][1]].piece.color == @color
							moves.delete_at(i)
							i=i-1
							n=n-1
						end
					end
					i=i+1
				end
				possible_moves = possible_moves+moves
			end
			possible_moves.each do |move|
				if move[0]>0 and move[1]>0 and move[0]<=8 and move[1]<=8
					# puts 'debug '+move.to_s
					if @board[move[0]][move[1]].piece == nil or @board[move[0]][move[1]].piece.color != @color
						if @board[move[0]][move[1]].piece
							move[2] = @board[move[0]][move[1]].piece.value
						else
							move[2] = 1
						end
						@possible_moves << move
					end
				end
			end
		end
		@possible_moves
	end
end