DREAM

///////////////////////////////

1991

TL;DListen

Inversion of Control

Lego
Minecraft
Kerbal Space Program
Vimeo, Soundcloud, Etsy
Libraries and Gems
3D Printers
Customizations and Presets
Mods, Maps and Makers

1991 ● MIDI / Cakewalk

1997 ● Goldwave

1998 ● MOD Trackers

2002 ● Sonic Foundry ACID

2004 ● Cubase

2008 ● Logic Pro

2009 ● Ableton Live ❤ ❤ ❤

End of History Illusion

Point is:

Experience not repeated.
Tools change but general patterns are forever.

Audio Prod	➟
Graphics Dev	➟
Ruby	➟

Rapid means you experience more domains

Where do you get your ideas from?

Started with a Clav, expression pedal

Had a visual idea.

Spike on gamebox.

Gosu / Scenes / Play metaphor

Ok, enough.

Talking about music is like dancing about architecture.
-- Steve Martin

Project Start and Breakdown


# os deps from gosu wiki (mac example)
$ brew install sdl2 libogg libvorbis

$ gem install gamebox
Fetching: gamebox-0.5.5.gem (100%)
Successfully installed gamebox-0.5.5
1 gem installed


gamebox new polka_justice_league
      create  Gemfile
      create  Rakefile
      create  config/boot.rb
      create  data/graphics/GRAPHICS_GO_HERE
      create  data/music/MUSIC_GOES_HERE
      create  spec/helper.rb
      create  src/actors/player_actor.rb
      create  src/app.rb
      ...


polka_justice_league $ tree -L 2 -F
.
├── Gemfile
├── Gemfile.lock
├── README.md
├── Rakefile
├── config/
│   ├── boot.rb
│   ├── environment.rb
│   └── game.yml
├── data/
│   ├── fonts/
│   ├── graphics/
│   ├── music/
│   └── sounds/
├── spec/
│   └── helper.rb
└── src/
    ├── actors/
    ├── app.rb
    ├── behaviors/
    ├── stages/
    └── views/

Sprites
Sprite Sheets
Tweens
Timers
Layers and Parallax

Sprites


# put an image in data/graphics/starfield.png
# src/actors/starfield.rb
define_actor :starfield do
  has_behaviors do
    graphical scale: 5
    positioned
    layered
  end
end

# src/stages/walk.rb
define_stage :walk do
  requires :behavior_factory
  curtain_up do |*args|
    night_sky = create_actor :starfield, x:427, y:240, layer:0
    # ...

Sprite Sheets


# src/actors/bedroot_cat.rb
define_actor :bedroom_cat do

  has_behaviors do
    animated frame_update_time: 400, once: false
    graphical scale: 5
    positioned
    layered
  end

end

Stages


# config/environment.rb
Gamebox.configure do |config|
  # ...
  config.stages = [:intro, :work, :walk, :house, :bedroom_sitting, :dream]
  config.game_name = "Dream"
end

Tweens


tween_manager.tween_properties face, { x:face.x + 5, y:face.y },
  fall_asleep_t, Tween::Quad::InOut

Timers


timer_manager.add_timer 'fall_asleep', fall_asleep_t do
  timer_manager.remove_timer 'fall_asleep'
  tween_manager.tween_properties face,
    {x: face.x + 5, y:face.y},
    fall_asleep_t, Tween::Quad::InOut

  behavior_factory.add_behavior face, :fading
  face.emit :fade_out, fall_asleep_t

  timer_manager.add_timer 'face_fade', fall_asleep_t do
    timer_manager.remove_timer 'face_fade'
    asleep_face.emit :fade_out, fall_asleep_t
  end

  # I want to take his face ... off
  timer_manager.add_timer 'face_off', fall_asleep_t * 2 do
    timer_manager.remove_timer 'face_off'
    asleep_face.remove
  end
end