Function normalize

packages/engine/Source/Scene/Expression.js:504–518

(call, left)

}

function normalize(call, left) {
  if (typeof left === "number") {
    return 1.0;
  } else if (left instanceof Cartesian2) {
    return Cartesian2.normalize(left, scratchStorage.getCartesian2());
  } else if (left instanceof Cartesian3) {
    return Cartesian3.normalize(left, scratchStorage.getCartesian3());
  } else if (left instanceof Cartesian4) {
    return Cartesian4.normalize(left, scratchStorage.getCartesian4());
  }

  throw new RuntimeError(
    `Function "${call}" requires a vector or number argument. Argument is ${left}.`,
  );
}

function distance(call, left, right) {
  if (typeof left === "number" && typeof right === "number") {