def setup
  createCanvas(100, 100, WEBGL)
  normalMaterial

  @cam1 = createCamera
  @cam2 = createCamera
  @cam2.setPosition(30, 0, 50)
  @cam2.lookAt(0, 0, 0)
  @cam2.ortho

  # set variable for previously active camera:
  @currentCamera = 1
end

def draw
  background(200)

  # camera 1:
  @cam1.lookAt(0, 0, 0)
  @cam1.setPosition(sin(frameCount / 60) * 200, 0, 100)

  # every 100 frames, switch between the two cameras
  if frameCount % 100 == 0
    if @currentCamera == 1
      setCamera(@cam1)
      @currentCamera = 0
    else
      setCamera(@cam2)
      @currentCamera = 1
    end
  end

  drawBoxes
end

def drawBoxes
  rotateX(frameCount * 0.01)
  translate(-100, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
  translate(35, 0, 0)
  box(20)
end