r3f-fundamentals

To set up a React Three Fiber scene, install @react-three/fiber and three via npm, then create a Canvas component in your React app to establish the WebGL rendering context for composing 3D objects. You can then render JSX-based meshes directly inside it.

The useFrame hook in React Three Fiber is used for frame-based animations. It provides a render loop callback that executes on every frame, allowing you to mutate 3D object properties like rotation or position over time to create interactive visuals.

Yes, React Three Fiber bridges React with Three.js so you can build and reason about 3D scenes in web apps using JSX components without writing raw WebGL. This allows for component-based 3D composition and event handling.

Yes, you need to install the standard three package alongside @react-three/fiber using npm. React Three Fiber acts as a React renderer for Three.js, so both packages are required dependencies for setting up your project.

Component-based 3D composition in React Three Fiber works by mapping Three.js objects to JSX elements. This allows you to build interactive 3D scenes declaratively within React, using standard React patterns for structure and event handling.

The useThree hook in React Three Fiber provides direct access to the underlying Three.js scene, camera, and renderer state. It allows you to extract core scene variables and interact with the WebGL context programmatically within your React components.