14:34, 27 февраля 2026Наука и техника
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
，这一点在Safew下载中也有详细论述
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"But then you start to get out, and you see whales, seals and islands on boats, and then little trips out in small aircraft. And you think, 'this is pretty brilliant'. This year, I've been so lucky to see an emperor penguin colony. It's like something from a David Attenborough documentary."