5 lines
279 B
JavaScript
5 lines
279 B
JavaScript
// Accepts an easing function and returns a new one that outputs mirrored values for
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// the second half of the animation. Turns easeIn into easeInOut.
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const mirrorEasing = (easing) => (p) => p <= 0.5 ? easing(2 * p) / 2 : (2 - easing(2 * (1 - p))) / 2;
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export { mirrorEasing };
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