// But since r128, it's modular. Let's try to load it dynamically if needed or include a direct link.
// For a single HTML file, the easiest way is often to include the UMD version of OrbitControls.
// For now, I'll code as if it's available on THREE.OrbitControls from the main three.min.js or a separate script tag.
// After checking, three.min.js (r128) does NOT include OrbitControls. We need to load it.
// Let's add it via a script tag.