Hello world!

Subclassing Ray::Game or Ray::Scene

require 'ray'

class HelloScene < Ray::Scene
  scene_name :hello

  def setup
    @font = font(path_of("VeraMono.ttf"), 12)
  end

  def render(win)
    @font.draw("Hello world!", :on => win, :at => [0, 0])
  end
end

class HelloWorld < Ray::Game
  def initialize
    super("Hello world!")

    HelloScene.bind(self)
    push_scene :hello
  end

  def register
    add_hook :quit, method(:exit!)
  end
end

HelloWorld.new.run

DSL

require 'ray'

Ray::Game.new("Hello world!") do
  register do
    add_hook :quit, method(:exit!)
  end

  scene :hello do
    @font = font(path_of("VeraMono.ttf"), 12)

    render do |win|
      @font.draw("Hello world", :on => win, :at => [0, 0])
    end
  end

  push_scene :hello
end

Installation

Run the following command:

gem install ray

This requires the SDL to be installed. SDL_TTF, SDL_image, SDL_gfx, and SDL_mixer are also needed for several features, though you can install ray without them.

Features

• Hides the event loop where registred blocks or methods are run when something happens.
• Provides a cache for resources like images, fonts, sounds, ...
• Documented, using YARD. You can check the documentation on rubydoc.info