module Spark

Constants

Bars

Public Class Methods

draw(*values) click to toggle source
# File lib/spark.rb, line 8
def draw(*values)
  min = values.min
  f = [((values.max - min) << 8) / (Bars.length - 1), 1].max
  ret = ''
  values.each do |val|
   ret << Bars[((val - min) << 8) / f]
  end
  ret
end