Zdog animation fun

<canvas style="display: block; margin: 40px auto;" class="zdog-canvas" width="480" height="480"></canvas>

			// create illo
			const illo = new Zdog.Illustration({
			  // set canvas with selector
			  element: '.zdog-canvas',
			  scale: 2.5,
			});

			const faceGroup = new Zdog.Group({
  				addTo: illo
			});

			// face
			const face = new Zdog.Hemisphere({
			  addTo: faceGroup,
			  diameter: 180,
			  color: '#ee3',
			  fill: true,
			});

         const face2 = new Zdog.Hemisphere({
           addTo: faceGroup,
           diameter: 180,
           scale: { z: -1 },
           color: '#ff5',
           fill: true,
         });

			// left eye
			const eyeLeft = new Zdog.Ellipse({
			  addTo: faceGroup,
			  diameter: 30,
			  translate: { x: 40, y: -10, z: 50 },
			  rotate: { y: -0.5 },
			  scale: { x: 0.65 },
			  color: '#333',
			  fill: true,
			});

			// right eye
			const eyeRight = eyeLeft.copy({
			  translate: { x: -40, y: -10, z: 50 },
			  rotate: { y: 0.5 },
			});

			// mouth
			const mouth = eyeLeft.copy({
			  diameter: 30,
			  // stroke: 10,
			  translate: { y: 40, z: 40 },
			  rotate: { x: -0.5 },
			  scale: { x: 3 },
			  color: '#333',
           // fill: false,
			});

			// update & render
			// illo.updateRenderGraph();

			let i = 0.1,
				y = 0.005;

			function animate() {
			  // rotate illo each frame
			  // illo.rotate.x = Math.sin(i) * 4.5;
			  i += 0.05;
			  illo.rotate.y = Math.sin(i);
			  illo.rotate.z = Math.cos(i) * 0.5;
			  illo.rotate.x = Math.cos(y+=0.005) * 1.2;
			  illo.updateRenderGraph();
			  mouth.scale.y = Math.cos(i);
			  // animate next frame
			  requestAnimationFrame( animate );
			}

			// start animation
			animate();