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39 lines
1.4 KiB
Ruby
39 lines
1.4 KiB
Ruby
require_relative "cell"
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class Grid
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attr_reader :rows, :columns
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def initialize(input)
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@rows = []
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(0...input.size).each do |row_index|
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row = []
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(0...input[row_index].size).each do |column_index|
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cell = Cell.new(row_index, column_index)
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cell.value = input[row_index][column_index]
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row << cell
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end
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@rows << row
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end
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@columns = @rows.transpose
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# Link neighbours
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(0...@rows.size).each do |row_index|
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(0...@columns.size).each do |column_index|
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cell = @rows[row_index][column_index]
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cell.n = @rows[row_index - 1][column_index] if row_index - 1 >= 0
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cell.ne = @rows[row_index - 1][column_index + 1] if row_index - 1 >= 0 && column_index + 1 < @columns.size
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cell.e = @rows[row_index][column_index + 1] if column_index + 1 < @columns.size
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cell.se = @rows[row_index + 1][column_index + 1] if row_index + 1 < @rows.size && column_index + 1 < @columns.size
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cell.s = @rows[row_index + 1][column_index] if row_index + 1 < @rows.size
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cell.sw = @rows[row_index + 1][column_index - 1] if row_index + 1 < @rows.size && column_index - 1 >= 0
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cell.w = @rows[row_index][column_index - 1] if column_index - 1 >= 0
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cell.nw = @rows[row_index - 1][column_index - 1] if row_index - 1 >= 0 && column_index - 1 >= 0
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end
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end
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end
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def cell_at(row, column)
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@rows[row][column]
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end
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end
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