26 lines
541 B
Ruby
26 lines
541 B
Ruby
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class Sidewinder
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def self.on(grid)
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grid.each_row do |row|
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run = []
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row.each do |cell|
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run << cell
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at_eastern_boundary = (cell.east == nil)
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at_northern_boundary = (cell.north == nil)
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should_close_out = at_eastern_boundary || (!at_northern_boundary && rand(2) == 0)
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if should_close_out
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member = run.sample
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member.link(member.north) if member.north
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run.clear
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else
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cell.link(cell.east)
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end
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end
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end
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grid
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end
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end
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