From 85d825b2257f83876296c7ca367d4707de160a64 Mon Sep 17 00:00:00 2001
From: Jillian Boshart <Jilliliz@gmail.com>
Date: Thu, 25 Feb 2016 10:45:55 -0800
Subject: [PATCH] This is my Solar System project. It contains the classes
 SolarSystem and Planets, as well as a program that educates about SPACE. It's
 pretty rad.

---
 planet.rb | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 188 insertions(+)
 create mode 100644 planet.rb

diff --git a/planet.rb b/planet.rb
new file mode 100644
index 00000000..83696a80
--- /dev/null
+++ b/planet.rb
@@ -0,0 +1,188 @@
+#Eventually I'll put comments here
+#
+#
+#
+#
+#
+#
+#
+#
+#
+
+class SolarSystem
+  attr_accessor :name, :planets, :star, :formation_date_billion
+    def initialize(system_hash)
+      @name = system_hash[:name]
+      @planets = system_hash[:planets]
+      @star = system_hash[:star]
+      @formation_date_billion = system_hash[:formation_date]
+
+      if system_hash[:planets] == nil
+        @planets = []
+      end
+    end
+
+    def add_planets(any_planet)
+      @planets << any_planet
+    end
+end
+
+solar = SolarSystem.new(name: "Earth's Satellite") #Aristotle's fault (4th century BCE)
+solar.name = "Center of the Universe" #Kepler's Third Law 1619
+solar.name = "Solar System" #Named for our Star System's sun!
+solar.formation_date_billion = 4600000000
+
+alpha = SolarSystem.new(name: "Alpha Centauri", star: "Alpha Centauri A, Alpha Centauri B, and Alpha Centauri C")
+
+class Planet
+  attr_reader :name, :type, :moon_count, :moon_names, :water_state, :solar_day, :solar_orbit, :distance_from_sun
+
+  def initialize(planet_info)
+    @name = planet_info[:name]
+    @type = planet_info[:type]
+    @moon_count = planet_info[:moon_count]
+    @moon_names = planet_info[:moon_names]
+    @water_state = planet_info[:water_state]
+    @solar_day = planet_info[:solar_day]
+    @solar_orbit = planet_info[:solar_orbit]
+    @distance_from_sun = planet_info[:distance_from_sun]
+  end
+end
+
+mercury = Planet.new(name: "Mercury", type: "terrestrial", moon_count: 0, water_state: "as trace amounts of vapor", solar_day: "4223.28 earth hours", solar_orbit: "175.97 earth days", distance_from_sun: 35.98)
+venus = Planet.new(name: "Venus", type: "terrestrial", moon_count: 0, water_state: "in a gas state", solar_day: "2802 earth hours", solar_orbit: "225 earth days", distance_from_sun: 67.24)
+earth = Planet.new(name: "Earth", type: "terrestrial", moon_count: 1, moon_names: "The Moon (or Luna)", water_state: "primarily in a liquid state", solar_day: "24 earth hours", solar_orbit: "365.24 earth days", distance_from_sun: 92.96)
+mars = Planet.new(name: "Mars", type: "terrestrial", moon_count: 2, moon_names: "Deimos and Phobos", water_state: "in a liquid and ice state", solar_day: "24.659 earth hours", solar_orbit: "687 earth days", distance_from_sun: 141.6)
+jupiter = Planet.new(name: "Jupiter", type: "jovian", moon_count: 67, moon_names: "lo, Europa, Ganymede, and Callisto", water_state: "as trace amounts of vapor", solar_day: "9.933 earth hours", solar_orbit: "4,380 earth days", distance_from_sun: 483.8)
+saturn = Planet.new(name: "Saturn", type: "jovian", moon_count: 62, moon_names: "Titan and Mimas. Titan has a nitrogen-rich atmosphere similar to Earth, and Mimas looks an awful lot like the Death Star", water_state: "in an ice state", solar_day: "10.65 earth hours", solar_orbit: "10,832 earth days", distance_from_sun: 890.7)
+uranus = Planet.new(name: "Uranus", type: "jovian", moon_count: 27, moon_names: "Uranus' five major moons: Miranda, Ariel, Umbriel, Titania, and Oberon. All twenty seven of Uranus's moons are named after characters from the works of William Shakespeare", water_state: "in an ice state", solar_day: "17.233 earth hours", solar_orbit: "30,660 earth days", distance_from_sun: 1787)
+neptune = Planet.new(name: "Neptune", type: "jovian", moon_count: 14, moon_names: "Neptune's regular moons: Naiad, Thalassa, Despina, Galatea, Larissa", water_state: "in an ice state", solar_day: "16.1 earth hours", solar_orbit: "60,225 earth days", distance_from_sun: 2795)
+
+solar.add_planets(mercury)
+solar.add_planets(venus)
+solar.add_planets(earth)
+solar.add_planets(mars)
+solar.add_planets(jupiter)
+solar.add_planets(saturn)
+solar.add_planets(uranus)
+solar.add_planets(neptune)
+
+learning_start = <<YES
+
+Welcome, knowledge-seeker! I am here to guide you on a learning journey about
+our Solar System, one of the billions of Star Systems in our local Galaxy: The
+Milky Way.
+
+Before we get started, I highly recommend you start playing "A Glorious Dawn" by
+Mr. John D. Boswell, feat. Carl Sagan and Stephen Hawking. It'll be way cool.
+
+Have you started it yet (Y/N)?
+YES
+
+puts learning_start
+musical_enhancement = gets.chomp.downcase
+
+until musical_enhancement == "y" || musical_enhancement == "n"
+  puts "\nI need to know if you are ready! Have you started the song yet (Y/N)?"
+  musical_enhancement = gets.chomp.downcase
+end
+
+if musical_enhancement == "y"
+  puts "\nYAS! Thank you for enhancing our learning environment!"
+else
+  puts "\nOh, ok. Not into rad music? That's alright...I guess."
+end
+
+puts "\nPlease enter the number next to the planet you want to know about " +
+  "(if you're done learning, enter 9)"
+puts "\n1. #{solar.planets[0].name}"
+puts "2. #{solar.planets[1].name}"
+puts "3. #{solar.planets[2].name}"
+puts "4. #{solar.planets[3].name}"
+puts "5. #{solar.planets[4].name}"
+puts "6. #{solar.planets[5].name}"
+puts "7. #{solar.planets[6].name}"
+puts "8. #{solar.planets[7].name}"
+puts "9. EXIT"
+
+selection = gets.chomp.to_i
+
+until selection == 9
+    x = selection - 1
+
+puts "\nYou have requested to learn about #{solar.planets[x].name}. " +
+  "#{solar.planets[x].name} is a #{solar.planets[x].type} type planet."
+
+  if solar.planets[x].moon_count == 0
+    puts "\n#{solar.planets[x].name} has #{solar.planets[x].moon_count.to_s} " +
+    "moons. Poor lonely, #{solar.planets[x].name}... :("
+  elsif solar.planets[x].moon_count == 1
+    puts "\nIt has #{solar.planets[x].moon_count.to_s} moon, which is named " +
+      "#{solar.planets[x].moon_names}. OMG! #{solar.planets[x].name} + " +
+      "#{solar.planets[x].moon_names} is my OTP!"
+  elsif solar.planets[x].moon_count >= 2
+    puts "\nIt has #{solar.planets[x].moon_count.to_s} moons, the most notable of which " +
+      "are #{solar.planets[x].moon_names}."
+  end
+
+puts "\nDid you know that there is water on #{solar.planets[x].name}? It's true! " +
+ "It exists #{solar.planets[x].water_state}! A day on #{solar.planets[x].name} " +
+ "is equal to #{solar.planets[x].solar_day}, and a year on #{solar.planets[x].name} " +
+ "is equal to #{solar.planets[x].solar_orbit}!"
+#puts "\nSince our #{solar.formation_date_billion.join(",")}"
+
+puts "\n#{solar.planets[x].name} is #{solar.planets[x].distance_from_sun} million " +
+  "miles from the sun."
+
+#solar_formation_date_readable = solar.formation_date_billion /1000000000
+#system_age_earth_days = solar.formation_date_billion * 365
+#local_year = system_age_earth_days / solar.planets[x].solar_orbit
+#local_year_readable = local_year / 1000000000
+
+#puts "\nSince the #{solar.name} is #{solar_formation_date_readable} years " +
+#  "old, we can calculate that the local year (meaning, the number of times " +
+#  "#{solar.planets[x].name} has completed its orbit) on #{solar.planets[x].name} " +
+#  "is #{local_year}."
+
+puts "\nWould you like to calculate how far #{solar.planets[x].name} is from another " +
+ "planet? If so, select a planet from the list below, using numbers like we did " +
+ "before."
+puts "\n1. #{solar.planets[0].name}"
+puts "2. #{solar.planets[1].name}"
+puts "3. #{solar.planets[2].name}"
+puts "4. #{solar.planets[3].name}"
+puts "5. #{solar.planets[4].name}"
+puts "6. #{solar.planets[5].name}"
+puts "7. #{solar.planets[6].name}"
+puts "8. #{solar.planets[7].name}"
+
+distance_planet = gets.chomp.to_i
+y = distance_planet - 1
+
+  if solar.planets[x].distance_from_sun > solar.planets[y].distance_from_sun
+    distance_result = solar.planets[x].distance_from_sun - solar.planets[y].distance_from_sun
+  elsif
+    distance_result = solar.planets[y].distance_from_sun - solar.planets[x].distance_from_sun
+  elsif solar.planets[y].distance_from_sun == solar.planets[x].distance_from_sun
+    puts "Well. The answer is zero. Because that is the same planet."
+  end
+
+puts "\nGreat! The distance between #{solar.planets[x].name} and #{solar.planets[y].name} is " +
+  "#{distance_result} million miles. WOW!"
+
+puts "\nWould you like to learn about another planet? If so, please make your " +
+  "next selection."
+puts "\n1. #{solar.planets[0].name}"
+puts "2. #{solar.planets[1].name}"
+puts "3. #{solar.planets[2].name}"
+puts "4. #{solar.planets[3].name}"
+puts "5. #{solar.planets[4].name}"
+puts "6. #{solar.planets[5].name}"
+puts "7. #{solar.planets[6].name}"
+puts "8. #{solar.planets[7].name}"
+puts "9. EXIT"
+
+selection = gets.chomp.to_i
+end
+
+puts "\nGoodbye! SPACE IS GREAT! SPACE!!!!"