three.js test thingy

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/1.7, (window.innerHeight/1.7) );
document.body.appendChild( renderer.domElement );
var geometry = new THREE.CubeGeometry(1,1,1);
var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );
var geometry2 = new THREE.CubeGeometry(2,2,2);
var material2 = new THREE.MeshBasicMaterial( { color: 0xff0000 } );
var cube2 = new THREE.Mesh( geometry2, material2 );
cube2.position.z = -3;
scene.add(cube2);
var geometry3 = new THREE.CubeGeometry(4,4,4);
var material3 = new THREE.MeshBasicMaterial( { color: 0x0000ff } );
var cube3 = new THREE.Mesh( geometry3, material3 );
cube3.position.z = -10;
scene.add(cube3);
camera.position.z = 5;
function render() {
    requestAnimationFrame(render);
    cube.rotation.x += 0.01;
    cube.rotation.y += 0.01;
    cube2.rotation.x += 0.03;
    cube2.rotation.y += 0.03;
    cube3.rotation.x += 0.05;
    cube3.rotation.y += 0.05;
    renderer.render(scene, camera);
    }
render();