var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 );

var renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
var geometry = new THREE.SphereGeometry(1, 32, 32);
var material = new THREE.MeshNormalMaterial();
var sphere = new THREE.Mesh( geometry, material );
scene.add( sphere );

camera.position.z = 3;

function render() {
  requestAnimationFrame( render );
  sphere.rotation.x += 0.01;
  sphere.rotation.y += 0.01;
  renderer.render( scene, camera );
}
render();