Class: Asteroids::ExplosionGraphics

Inherits:
Component
  • Object
show all
Defined in:
lib/asteroids/explosion/explosion_graphics.rb

Constant Summary collapse

FRAME_DELAY = 
17

Instance Method Summary collapse

Constructor Details

#initialize(game_object) ⇒ ExplosionGraphics

Returns a new instance of ExplosionGraphics.



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# File 'lib/asteroids/explosion/explosion_graphics.rb', line 6

def initialize(game_object)
  super
  @current_frame = 0
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/asteroids/explosion/explosion_graphics.rb', line 12

def draw()
  image = current_frame
image.draw(
  object.x - image.width / 2.0,
  object.y - image.height / 2.0,
  100)
end

#update ⇒ Object 



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# File 'lib/asteroids/explosion/explosion_graphics.rb', line 20

def update
  now = Gosu.milliseconds
  delta = now - (@last_frame ||= now)
  if delta > FRAME_DELAY
    @last_frame = now
  end
  @current_frame += (delta / FRAME_DELAY).floor
  object.mark_for_removal if done?
end