# Click within the image to change the value of the rectangle
# after the mouse has been clicked
def setup
  background(220)
  @value = 0
end

def draw
  fill(@value)
  rect(25, 25, 50, 50)
end

def mouseClicked
  if @value == 0
    @value = 255
  else
    @value = 0
  end
end