ruby-processingでProcessing->Examples->Basic->Webの写経

　写経してみたｗ；

case :EmbeddedLinks
when :LoadingImages
  def setup
    size 200,200
    img = load_image "http://www.processing.org/img/processing_beta_cover.gif"
    image img,0,45
  end
  
  def draw
    
  end
when :EmbeddedLinks
  def setup
    size 200,200
    @button = nil
  end
  
  def draw
    background 204
    
    @button == :over_left_button ? fill(255) : no_fill
    
    rect 20,60,75,75
    rect 50,90,15,15
    
    @button == :over_right_button ? fill(255) : no_fill
    
    rect 105,60,75,75
    line 135,105,155,85
    line 140,85,155,85
    line 155,85,155,100
  end
  
  def mouse_pressed
    case @button
    when :over_left_button
      link "http://www.processing.org"
    when :over_right_button
      link "http://www.processing.org", "_new"
    end
  end
  
  def mouse_moved
    check_buttons
  end
  
  def mouse_dragged
    check_buttons
  end
  
  def check_buttons
    case
    when ((20 < mouse_x) and (mouse_x < 95) and (60 < mouse_y) and (mouse_y <135))
      @button = :over_left_button
    when ((105 < mouse_x) and (mouse_x < 180) and (60 < mouse_y) and (mouse_y <135))
      @button = :over_right_button
    else
      @button = nil
    end
  end
end