Contents

require 'ruby-processing'

class GrowingRectangleSketch < Processing::App

  def setup
    rect_mode CENTER
    @r = 8
  end

  def draw
    background 255
    # Display a rectangle in the middle of the screen
    stroke 0
    fill 175
    rect width/2, height/2, @r, @r

    # Increase the rectangle size
    @r += 1

    # Start rectangle over
    @r = 0 if @r > width 
  end

end

GrowingRectangleSketch.new :title => "Growing Rectangle", :width => 200, :height => 200

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
ruby-processing-1.0.1	samples/learning_processing/chapter_14/01_growing_rectangle.rb
ruby-processing-1.0.2	samples/learning_processing/chapter_14/01_growing_rectangle.rb
ruby-processing-1.0.3	samples/learning_processing/chapter_14/01_growing_rectangle.rb
ruby-processing-1.0.4	samples/learning_processing/chapter_14/01_growing_rectangle.rb