Spiral matrix - code review - ruby code - Feb. 25, 2018

SpiralMatrix_Codereview.rb

def spiral_copy(inputMatrix)
  # your code goes here
  x_curr = 0
  y_curr = 0
  y_min = 0
  y_max = inputMatrix[0].length - 1
  x_min = 0
  x_max = inputMatrix.length - 1
  result = []
  
  while x_min <= x_max and y_min <= y_max
    x_curr = x_min
    y_curr = y_min
    while y_curr <= y_max
      result.push(inputMatrix[x_curr][y_curr])
      y_curr += 1
    end
    y_curr -= 1
    x_curr += 1
    while x_curr <= x_max
      result.push(inputMatrix[x_curr][y_curr])
      x_curr += 1
    end
    x_curr -= 1
    y_curr -= 1
    while y_curr >= y_min and x_min < x_max
      result.push(inputMatrix[x_curr][y_curr])
      y_curr -= 1
    end
    y_curr += 1
    x_curr -= 1
    while x_curr > x_min and y_min < y_max
      result.push(inputMatrix[x_curr][y_curr])
      x_curr -= 1
    end
    x_min += 1
    x_max -= 1
    y_min += 1
    y_max -= 1
  end
  result
end