import { type Vector2D } from "./Vector.js";

export type Cartesian2D = Vector2D;
export type Polar2D = Vector2D;

export const cartesian2DtoPolar2D = ([x, y]: Cartesian2D): Polar2D => {
  const r = Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
  const t = Math.tan(y / x);
  return [r, t];
};