Color Wheel CSS Generate

color-wheel.rb

#!/usr/bin/ruby
=begin
Script to generate scss for color-wheel. 
=end
$saturation   = ARGV[0] || 100
$luminousness = ARGV[1] || 50
$split        = ARGV[2].to_i || 24

def mk_suffix(deg)
  "#{deg}_#{$saturation}_#{$luminousness}"  
end

(0..($split - 1)).each {|e|
  d = e*360.0/$split
  #puts "#{e} #{$split} #{d}\n"
  deg = sprintf "%03d", d
  suffix = mk_suffix deg
  print <<-EOF
$HSL_#{suffix}: hsl(#{deg}deg, #{$saturation}%, #{$luminousness}%);
.hsl_#{suffix} {background-color: $HSL_#{suffix};}
  EOF
  if d < 100
    puts ".hsl_#{sprintf "%d", d}_#{$saturation}_#{$luminousness} {background-color: $HSL_#{suffix};}"
  end 
}