Class: Dare::Sprite

Inherits:
Object
  • Object
show all
Defined in:
lib/dare/sprite.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(window = Dare.default_canvas) ⇒ Sprite

Returns a new instance of Sprite.



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# File 'lib/dare/sprite.rb', line 4

def initialize(window = Dare.default_canvas)
  @window = window
  @images = []
  @state = Hash.new {|h,k| h[k] = Dare::AnimationState.new}
  @current_image = 0
  @ticks_on_current_image = 0
  @x = 0
  @y = 0
end

Instance Attribute Details

#images ⇒ Object

Returns the value of attribute images.



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# File 'lib/dare/sprite.rb', line 3

def images
  @images
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/dare/sprite.rb', line 3

def state
  @state
end

Instance Method Details

#draw(x = 0, y = 0) ⇒ Object 



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# File 'lib/dare/sprite.rb', line 14

def draw(x = 0, y = 0)
  @images[@current_image].draw(x, y)
end

#stand ⇒ Object 



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# File 'lib/dare/sprite.rb', line 54

def stand
  @current_image = 0
  @ticks_on_current_image = 0
end

#update ⇒ Object 



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# File 'lib/dare/sprite.rb', line 18

def update
  if @window.button_down? Dare::KbRight
    walk
  else
    stand
  end
end

#walk ⇒ Object 



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# File 'lib/dare/sprite.rb', line 26

def walk
  if @current_image == 0
    @current_image = 2
    @ticks_on_current_image = 0
  elsif @current_image == 2
    if @ticks_on_current_image >= 5
      @current_image = 3
      @ticks_on_current_image = 0
    else
      @ticks_on_current_image += 1
    end
  elsif @current_image == 3
    if @ticks_on_current_image >= 5
      @current_image = 4
      @ticks_on_current_image = 0
    else
      @ticks_on_current_image += 1
    end
  elsif @current_image == 4
    if @ticks_on_current_image >= 5
      @current_image = 2
      @ticks_on_current_image = 0
    else
      @ticks_on_current_image += 1
    end
  end
end