def setup
  @radio = createRadio
  @radio.option('black')
  @radio.option('white')
  @radio.option('gray')
  @radio.style('width', '80px')
  textAlign(CENTER)
  fill(255, 0, 0)
end

def draw
  val = @radio.value
  background(val)
  text(val, width / 2, height / 2)
end

def setup
  @radio = createRadio
  @radio.option(10, 'apple')
  @radio.option(20, 'bread')
  @radio.option(30, 'juice')
  @radio.style('width', '80px')
  textAlign(CENTER)
end

def draw
  background(200)
  val = @radio.value
  if val
    text('item cost is $' + val, width / 2, height / 2)
  end
end