Method: Tinct#hue

Defined in:
lib/tinct.rb

#hue ⇒ Object 



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# File 'lib/tinct.rb', line 13

def hue
  max = [@red, @green, @blue].max
  min = [@red, @green, @blue].min
  delta = max - min
  return 0 if delta == 0
  return (((@green - @blue) / delta) % 6) / 6 if max == @red
  return (((@blue - @red) / delta) + 2) / 6 if max == @green
  return (((@red - @green) / delta) + 4) / 6
end