function sameSide(p1, p2, a, b) {
  const ab = Cartesian3.subtract(b, a, scratchAb);
  const cp1 = Cartesian3.cross(
    ab,
    Cartesian3.subtract(p1, a, scratchAp1),
    scratchCp1,
  );
  const cp2 = Cartesian3.cross(
    ab,
    Cartesian3.subtract(p2, a, scratchAp2),
    scratchCp2,
  );
  return Cartesian3.dot(cp1, cp2) >= 0;
}
Loads the content.
@returns {Promise<object>} A promise that is resolved when the geometry data is loaded
@private