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Docs: Update benchmark results
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@@ -0,0 +1,33 @@
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async function findConvexHull(points) {
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const _ = await import('https://cdn.jsdelivr.net/npm/lodash@4.17.21/+esm');
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const uniquePoints = _.uniqWith(points, _.isEqual);
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if (uniquePoints.length < 3) {
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return uniquePoints;
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}
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const sorted = _.sortBy(uniquePoints, ['x', 'y']);
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const crossProduct = (p1, p2, p3) =>
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(p2.x - p1.x) * (p3.y - p1.y) - (p2.y - p1.y) * (p3.x - p1.x);
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const buildHalfHull = (pts) => {
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const hull = [];
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for (const p of pts) {
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while (hull.length >= 2 && crossProduct(hull.at(-2), hull.at(-1), p) <= 0) {
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hull.pop();
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}
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hull.push(p);
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}
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return hull;
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};
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const lower = buildHalfHull(sorted);
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const upper = buildHalfHull([...sorted].reverse());
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const hull = [...lower.slice(0, -1), ...upper.slice(0, -1)];
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return [hull[0], ...hull.slice(1).reverse()];
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}
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export default findConvexHull;
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