24 lines
641 B
JavaScript
24 lines
641 B
JavaScript
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import { useMotionValueEvent } from '../utils/use-motion-value-event.mjs';
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import { useMotionValue } from './use-motion-value.mjs';
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/**
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* Creates a `MotionValue` that updates when the velocity of the provided `MotionValue` changes.
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*
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* ```javascript
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* const x = useMotionValue(0)
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* const xVelocity = useVelocity(x)
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* const xAcceleration = useVelocity(xVelocity)
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* ```
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*
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* @public
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*/
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function useVelocity(value) {
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const velocity = useMotionValue(value.getVelocity());
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useMotionValueEvent(value, "velocityChange", (newVelocity) => {
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velocity.set(newVelocity);
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});
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return velocity;
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}
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export { useVelocity };
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