let offset = 0;
Every point gets examined, regardless of where it sits. Points on the opposite side of the map get the same treatment as points right next to the query region. We're doing a lot of unnecessary work.
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rather than those you use now.
Away from the crowds, work is underway to install a red carpet walkway to the venue for the Brit Awards next weekend, the first time the prestigious UK awards ceremony will be held outside of London.