@rickosborne/hexgrid/qrs-ring.mjs

Rick Osborne's collection of hexagonal grid-related code.

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
const RING_DIRECTIONS = Object.freeze([
  { q: 1, r: 0 },
  { q: 1, r: -1 },
  { q: 0, r: -1 },
  { q: -1, r: 0 },
  { q: -1, r: 1 },
  { q: 0, r: 1 }
]);
const qrsRing = /* @__PURE__ */ __name((center, radius, builder) => {
  if (radius < 1) {
    return [];
  }
  const points = [];
  let q = -radius + center.q;
  let r = radius + center.q;
  for (let i = 0; i < 6; i++) {
    const neighborDirection = RING_DIRECTIONS[i];
    for (let j = 0; j < radius; j++) {
      points.push(builder(q, r));
      q += neighborDirection.q;
      r += neighborDirection.r;
    }
  }
  return points;
}, "qrsRing");
export {
  qrsRing
};
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