@rickosborne/hexgrid/axial-from-offset.cjs

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

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var axial_from_offset_exports = {};
__export(axial_from_offset_exports, {
  axialFromOffset: () => axialFromOffset
});
module.exports = __toCommonJS(axial_from_offset_exports);
var import_hex_system = require("./hex-system.cjs");
const SIMPLE_ROW_COL_KEY = Object.freeze({
  [import_hex_system.EVEN_Q]: "col",
  [import_hex_system.EVEN_R]: "row",
  [import_hex_system.ODD_Q]: "col",
  [import_hex_system.ODD_R]: "row"
});
const COMPLEX_ROW_COL_KEY = Object.freeze({
  [import_hex_system.EVEN_Q]: "row",
  [import_hex_system.EVEN_R]: "col",
  [import_hex_system.ODD_Q]: "row",
  [import_hex_system.ODD_R]: "col"
});
const axialFromOffset = /* @__PURE__ */ __name((offset) => {
  const system = offset.system;
  const simpleRowColKey = SIMPLE_ROW_COL_KEY[system];
  const complexRowColKey = COMPLEX_ROW_COL_KEY[system];
  const simpleIn = offset[simpleRowColKey];
  const complexIn = offset[complexRowColKey];
  let bit = simpleIn & 1;
  if (system === import_hex_system.ODD_Q || system === import_hex_system.ODD_R) {
    bit = -bit;
  }
  let q;
  let r;
  const complexOut = complexIn - (simpleIn + bit) / 2;
  if (system === import_hex_system.ODD_R || system === import_hex_system.EVEN_R) {
    q = complexOut;
    r = simpleIn;
  } else {
    q = simpleIn;
    r = complexOut;
  }
  return {
    q,
    r,
    system: import_hex_system.AXIAL
  };
}, "axialFromOffset");
//# sourceMappingURL=axial-from-offset.cjs.map