19 lines
507 B
JavaScript
19 lines
507 B
JavaScript
import {useEffect, useRef} from 'react';
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export default function useAnimationFrame(callback) {
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const handle = useRef();
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const last = useRef();
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function animate(time) {
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if (last.current != undefined) {
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callback((time - last.current) / 1000)
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}
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last.current = time;
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handle.current = requestAnimationFrame(animate);
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}
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useEffect(() => {
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handle.current = requestAnimationFrame(animate);
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return () => {
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cancelAnimationFrame(handle.current);
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};
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}, [callback]);
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} |