(function () {
  'use strict';

  const root = window.PixelIslandModules ||= {};

  root.Vec2 = {
    add(a, b) {
      return { x: a.x + b.x, y: a.y + b.y };
    },
    sub(a, b) {
      return { x: a.x - b.x, y: a.y - b.y };
    },
    scale(v, amount) {
      return { x: v.x * amount, y: v.y * amount };
    },
    length(v) {
      return Math.hypot(v.x, v.y);
    },
    normalize(v) {
      const length = Math.hypot(v.x, v.y) || 1;
      return { x: v.x / length, y: v.y / length };
    }
  };
})();