def setup 
  createCanvas(100, 100, WEBGL)
  @cam = createCamera
  @cam.lookAt(1, 1, 1)
  @divx = createDiv
  @divy = createDiv
  @divz = createDiv
end

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