• Initiation

  • Read Gosu 2D game development library website
  • Read Gosu Wiki
  • Read Gosu API Docs
  • Join the Gosu Forum
  • Switch to Ruby version

    rbenv install 2.4.2; rbenv local 2.4.2; rbenv rehash; ruby -v;
    

  • Install Gosu System-wide dependencies

    brew install sdl2
    gem install gosu
    

  • Test Gosu

    ruby -rgosu -e 'w = Gosu::Window.new(200, 150); w.caption = "It works!"; w.show'
    

• Create Basic Ruby Game Window

  • Read Gosu Wiki Ruby Tutorial
  • Create Gemfile with Gosu dependency and install

    bundle install
    

  • Copy/Paste Simple Game code Minimal Window Class
  • Run Window Class using Gem installed by Bundler

    bundle exec ruby src/main.rb
    

• Add OpenGL

  • Reference:
    • OpenGL Guide - http://www.diatomenterprises.com/different-sides-of-ruby-development-opengl/
    • OpenGL Official Documentation - https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/
  • Create Axis Class in ./media/axis.rb to Draw Coordinates on 3D Grid
    • Note: Store Objects in ./objects Folder.
  • Create Lines and Set Line Colours
  • Draw the Lines from main.rb using the GLU (OpenGL Utility Library)
  • Add Player class to store the x, y translation to move the player

• Add RSpec

  • Add RSpec to Gemfile
  • Initialise RSpec

    rspec --init
    

  • Install dependency

    bundle install
    

  • Add Tests

• Experiment with Matrix - http://ruby-doc.org/stdlib-2.4.2/libdoc/matrix/rdoc/Matrix.html