Class: SpaceInvaders::App

Inherits:
Gosu::Window
  • Object
show all
Defined in:
lib/space_invaders/app.rb

Constant Summary collapse

RELATIVE_DEFAULT_FONT = 
File.join('..', '..', '..', 'assets', 'fonts', 'unifont.ttf')
DEFAULT_FONT = 
File.expand_path(RELATIVE_DEFAULT_FONT,__FILE__)
STATICS = 
:game_status, :button_controller, :images, :sounds,
:welcome_screen, :game_over_screen, :next_level_screen
TRACKERS = 
:lives_tracker, :score_tracker
DYNAMICS = 
:ship, :invaders_container, :u_block_container, :red_invader

Instance Method Summary collapse

Constructor Details

#initialize(width = 800, height = 600, fullscreen = false) ⇒ App

Returns a new instance of App.



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# File 'lib/space_invaders/app.rb', line 43

def initialize width=800, height=600, fullscreen=false
  super
  self.caption = "Space Invaders"
  initialize_statics
  initialize_dynamics_and_trackers
end

Instance Method Details

#button_down(id) ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 50

def button_down id
  button_controller.button_down id
end

#draw ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 62

def draw
  if game_status.hasnt_started?
    welcome_screen.draw
  elsif game_status.next_level?
    next_level_screen.draw
  elsif game_status.drowned_ship? or game_status.being_played?
    draw_dynamics
    draw_trackers
  elsif game_status.finished?
    game_over_screen.draw
  end
end

#draw_dynamics ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 83

def draw_dynamics
  DYNAMICS.each {|dynamic_element| self.send(dynamic_element).draw}
end

#draw_trackers ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 87

def draw_trackers
  TRACKERS.each {|tracker_element| self.send(tracker_element).draw}
end

#initialize_dynamics_and_trackers ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 79

def initialize_dynamics_and_trackers
  define_properties *DYNAMICS, *TRACKERS
end

#initialize_statics ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 75

def initialize_statics
  define_properties *STATICS
end

#update ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 54

def update
  if game_status.drowned_ship?
    ship.update
  elsif game_status.being_played?
    update_dynamics
  end
end

#update_dynamics ⇒ Object 



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# File 'lib/space_invaders/app.rb', line 91

def update_dynamics
  DYNAMICS.each {|dynamic_element| self.send(dynamic_element).update}
end