public void Locate_ReturnsNull()
        {
            var mid = ZoneData.MapZones.OfType <SphericalZone>().Single(z => z.Region == RegionKey.Neutral && z.Key == ZoneKey.Mid);

            var position = mid.Center + new Vector3(mid.Radius + 0.1f, 0f, 0f);
            var result   = ZoneUtil.Locate(position);

            Assert.IsNull(result);
        }
        public void Locate_ReturnsZone()
        {
            var mid = ZoneData.MapZones.Single(z => z.Region == RegionKey.Neutral && z.Key == ZoneKey.Mid);

            var position = mid.Center;
            var result   = ZoneUtil.Locate(position);

            Assert.AreEqual(ZoneKey.Mid, result.Key);
        }