Class: RTanque::Gui::DrawGroup

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/rtanque/gui/draw_group.rb

Instance Method Summary collapse

Constructor Details

#initialize(tick_group, &create_drawable) ⇒ DrawGroup

Returns a new instance of DrawGroup.



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# File 'lib/rtanque/gui/draw_group.rb', line 6

def initialize(tick_group, &create_drawable)
  @tick_group = tick_group
  @mapped_drawables = Hash.new do |h, tickable|
    h[tickable] = create_drawable.call(tickable)
  end
end

Instance Method Details

#draw ⇒ Object 



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# File 'lib/rtanque/gui/draw_group.rb', line 23

def draw
  self.each do |drawable|
    drawable.draw
  end
end

#each(&block) ⇒ Object 



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# File 'lib/rtanque/gui/draw_group.rb', line 13

def each(&block)
  @tick_group.each do |tickable|
    if tickable.dead?
      @mapped_drawables.delete(tickable)
    else
      block.call(@mapped_drawables[tickable]) # This invokes @mapped_drawables's block if tickable not already in the hash
    end
  end
end