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def compact_pieces recheck = false for i in (0..@width-1) for j in (0..@height-1) if @board[i][j] and @board[i][j+1].nil? #drop pieces down recheck = true @board[i][j+1] = @board[i][j] @board[i][j] = nil elsif j == 0 and @board[i][j].nil? #replace pieces at top recheck = true @board[i][j] = Piece.new("gem") end end end #sleep(0.3) <- doesn't work, all pauses come at once #draw if recheck compact_pieces clear_matches end end

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