Function useFrame

packages/fiber/src/core/hooks.tsx:46–54

(callback: RenderCallback, renderPriority: number = 0)

 * @see https://docs.pmnd.rs/react-three-fiber/api/hooks#useframe
 */
export function useFrame(callback: RenderCallback, renderPriority: number = 0): null {
  const store = useStore()
  const subscribe = store.getState().internal.subscribe
  // Memoize ref
  const ref = useMutableCallback(callback)
  // Subscribe on mount, unsubscribe on unmount
  useIsomorphicLayoutEffect(() => subscribe(ref, renderPriority, store), [renderPriority, subscribe, store])
  return null
}

/**
 * Returns a node graph of an object with named nodes & materials.