Contents

# city.rb after city.cfdg

require 'cf3'  # NB: requires ruby 1.9 for rand range

def setup_the_city
  @city = ContextFree.define do
    
    shape :neighborhood do
      split do
        block x: -0.25, y: -0.25
        rewind
        block x: 0.25, y: -0.25
        rewind
        block x: 0.25, y: 0.25
        rewind
        block x: -0.25, y: 0.25
      end
    end
    
    shape :block do
      buildings size: 0.85
    end
    
    shape :block, 5 do
      neighborhood size: 0.5, rotation: rand(-PI..PI), hue: rand(2), brightness: rand(0.75..1.75)
    end
    
    shape :block, 0.1 do
      # Do nothing
    end
    
    shape :buildings do
      square
    end
    
  end
end

def setup
  size 600, 600
  smooth
  setup_the_city
  @background = color 255, 255, 255
  draw_it
end

def draw
  # Do nothing
end

def draw_it
  background @background
  @city.render :neighborhood, 
               start_x: width/2, start_y: height/2, 
               size: height/2.5, color: [0.1, 0.1, 0.1]
end

def mouse_clicked
  draw_it
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
cf3-0.0.5	samples/city.rb
cf3-0.0.4	samples/city.rb
cf3-0.0.3	samples/city.rb
cf3-0.0.2	samples/city.rb
cf3-0.0.1	samples/city.rb