robbrit

$ ->
  c = $("canvas").get(0)
  ctx = c.getContext "2d"
  #ctx.font="20px sans-serif"
  #mainLoop
  #running
  initial_sleep_length=250
  sleep_length=initial_sleep_length
  img_data_for_player=ctx.createImageData c.width,c.height
  tile_size=25

robbrit

class Hash
  def except(*blacklist)
    self.reject {|key, value| blacklist.include?(key) }
  end
  
  def only(*whitelist)
    self.reject {|key, value| !whitelist.include?(key) }
  end
end