diff options
Diffstat (limited to 'apps/web/src/hooks/use-raf-loop.ts')
| -rw-r--r-- | apps/web/src/hooks/use-raf-loop.ts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/apps/web/src/hooks/use-raf-loop.ts b/apps/web/src/hooks/use-raf-loop.ts new file mode 100644 index 00000000..54b1e662 --- /dev/null +++ b/apps/web/src/hooks/use-raf-loop.ts @@ -0,0 +1,20 @@ +import { useEffect, useRef } from "react"; + +export function useRafLoop(callback: ({ time }: { time: number }) => void) { + const requestRef = useRef<number>(0); + const previousTimeRef = useRef<number | null>(null); + + useEffect(() => { + const loop = ({ time }: { time: number }) => { + if (previousTimeRef.current !== null) { + const deltaTime = time - previousTimeRef.current; + callback({ time: deltaTime }); + } + previousTimeRef.current = time; + requestRef.current = requestAnimationFrame((time) => loop({ time })); + }; + + requestRef.current = requestAnimationFrame((time) => loop({ time })); + return () => cancelAnimationFrame(requestRef.current); + }, [callback]); +} |
