Ruby script for benchmark of ruby-geometry`PointInPolygon#random_ray` and `PointInPolygon#choose_good_ray`

benchmark.rb

unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
source 'https://rubygems.org'
gem 'ruby-geometry', git: 'https://github.com/DanielVartanov/ruby-geometry.git'
GEMFILE

system 'bundle'
end

require 'bundler'
Bundler.setup(:default)

require 'geometry'
require 'benchmark'

corrdinates_raw = "114.146011,22.284090 114.145050,22.282860 114.146240,22.279619 114.151176,22.277014 114.151833,22.276251 114.151443,22.275000 114.151550,22.273470 114.153198,22.272249 114.156143,22.272970 114.161690,22.271900 114.162521,22.274820 114.162697,22.276211 114.160957,22.275850 114.159927,22.276190 114.158340,22.276270 114.157082,22.276661 114.155312,22.276310 114.153732,22.278000 114.154312,22.278870 114.153992,22.279900 114.152321,22.280890 114.150261,22.282721 114.146011,22.284090"
corrdinates = corrdinates_raw.split(/\s+/).map do |raw_coor|
  # latitude and longitude are reversed since they are from KML
  raw_coor.split(',').map(&:to_f).reverse
end

point = Geometry::Point.new(22.2817, 114.14932)
vertices = corrdinates.map do |corrdinate_array|
  Geometry::Point.new_by_array(corrdinate_array)
end
polygon = Geometry::Polygon.new(vertices)

point_in_polygon = Geometry::PointInPolygon.new(point, polygon)


Benchmark.bm(25) do |x|
  x.report("random_ray") { point_in_polygon.send(:random_ray) }
  x.report("choose_good_ray") { point_in_polygon.send(:choose_good_ray) }

  count = 0
  x.report("choose_good_ray(with_count)") do
    count = 0
    ray = point_in_polygon.send(:random_ray)
    while !point_in_polygon.send(:good_ray?, ray)
      ray = point_in_polygon.send(:random_ray)
      count += 1
    end
    ray
  end
  puts "choose_good_ray has looped #{count} times"
end