Contents

# Pointillism
# by Daniel Shiffman. 
# 
# Mouse horizontal location controls size of dots. 
# Creates a simple pointillist effect using ellipses colored
# according to pixels in an image. 


def setup
  size 400, 400
  @a = load_image "eames.jpg"  
  no_stroke
  background 255
  smooth
end

def draw
  pointillize = map(mouse_x, 0, width, 2, 18)
  x, y = rand(@a.width), rand(@a.height)
  pixel = @a.get(x, y)
  fill pixel, 126
  ellipse x * 2, y * 2, pointillize, pointillize
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
ruby-processing-2.6.3	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.6.2	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.6.1	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.6.0	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.5.1	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.5.0	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.4.4	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.4.3	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.4.2	samples/processing_app/basics/image/pointillism.rb
ruby-processing-2.4.1	samples/processing_app/basics/image/pointillism.rb