threejs-cube

http://threejs.org/docs/#Manual/Introduction/Creating_a_scene

<!DOCTYPE html> 
<html>
	<head> 
	<meta charset=utf-8> 
	<title>My first Three.js app</title> 
	<style> 
		body { margin: 0; } 
		canvas { width: 100%; height: 100% } 
	</style> 
	</head>

<body>

var geometry = new THREE.BoxGeometry( 1, 1, 1 );
var material = new THREE.MeshBasicMaterial( {
	color: 'white',
	wireframe: true
} );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );

camera.position.z = 5;

var xVel = 0
var yVel = 0

function render() {
	requestAnimationFrame( render );
	renderer.render( scene, camera );

xVel = Math.max(-2, Math.min(.2, xVel + (Math.random() - .5)/100))
	yVel = Math.max(-2, Math.min(.2, yVel + (Math.random() - .5)/100))
	
	cube.rotation.x += xVel;
	cube.rotation.y += yVel;

}
render();

</script>

</body>
</html>