Three.js Controls and Helpers
Camera and object controls shipped as addons (`three/addons/controls/*`) including OrbitControls, MapControls, TrackballControls, FirstPersonControls, FlyControls, PointerLockControls, TransformControls, DragControls, and ArcballControls. Helpers (`three/addons/helpers/*`) visualize lights, cameras, axes, and bounding volumes for debugging.