def setup 
  createCanvas(100, 100, WEBGL)
  @cam = createCamera
  @divx = createDiv
  @divy = createDiv
  @divz = createDiv
end

def draw 
  background(220)
  orbitControl
  box(30)
  @divx.html("upX = #{round(@cam.upX, 1)}")
  @divy.html("upY = #{round(@cam.upY, 1)}")
  @divz.html("upZ = #{round(@cam.upZ, 1)}")
end