body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #ddd;
}

canvas {
  width: 100%;
  height: 100%;
}

.label {
  position: absolute;
  width: 100%;
  text-align: center;
  top: 0;
  color: #fff;
}

var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(
  30,
  window.innerWidth / window.innerHeight,
  0.1,
  1000
);

var renderer = new THREE.WebGLRenderer({ alpha: true });
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

// add icosahedron
var geometry = new THREE.OctahedronGeometry(20);
var color = new THREE.Color("#7833aa");
var material = new THREE.MeshPhongMaterial({ color: color.getHex() });
var mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);

camera.position.z = 100;

// so many lights
var light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(0, 1, 0);
scene.add(light);

var light = new THREE.DirectionalLight(0xffffff, 0.5);
light.position.set(0, -1, 0);
scene.add(light);

var light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(1, 0, 0);
scene.add(light);

var light = new THREE.DirectionalLight(0xffffff, 0.5);
light.position.set(0, 0, 1);
scene.add(light);

var light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(0, 0, -1);
scene.add(light);

var light = new THREE.DirectionalLight(0xffffff, 0.5);
light.position.set(-1, 0, 0);
scene.add(light);

var render = function () {
  requestAnimationFrame(render);

  mesh.rotation.x += 0.01;
  mesh.rotation.y += 0.01;
  renderer.render(scene, camera);
};

render();