gistfile1.txt

// Call the animate function
animate();

// The animated function updates the scene
// and updates the controls
function animate() {

    // The window.requestAnimationFrame() method tells the browser that you wish to perform an animation and requests that the browser calls a specified function to update an animation before the next repaint. (docs)
    requestAnimationFrame(animate);

    // Update the controls
    controls.update();

    // Render the scene
    renderer.render(scene, camera);

}