Object3D: moving rotating axis

part 2: moving rotating axis

HTML

<div id="info">Using Object3D (part 2)</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js">


</script>

CSS

#info {
  position: absolute;
  top: 0px;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ff0000
}

JavaScript

var camera, scene, renderer, light, controls;
var frame;

init();
animate();

function init() {

  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0xcccccc);

  document.body.appendChild(renderer.domElement);
  
  scene = new THREE.Scene();

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 10000);
  camera.position.z = 500;

  controls = new THREE.OrbitControls(camera, renderer.domElement);

  frame = new THREE.Object3D();
  //scene.add(frame);

  platformGeom = new THREE.BoxGeometry(40, 10, 10);
  material = new THREE.MeshLambertMaterial();

  var mesh = new THREE.Mesh(platformGeom, material);
  mesh.position.set(20, 0, 0);
  frame.add(mesh);
  frame.position.set(-20, 0, 0);

  light = new THREE.PointLight(0xffffff);
  light.position.set(100, 300, 200);
  scene.add(light);

  var gridXZ = new THREE.GridHelper(200, 20, 'red', 'grey');
  scene.add(gridXZ);

}

function animate() {
  controls.update();
  requestAnimationFrame(animate);
  render();
}

function render() {
  frame.rotation.y += 0.05;
  renderer.render(scene, camera);
}