The tree is rebuilt every frame. For scenes of this scale, quadtree construction is fast enough to rebuild from scratch each frame, though larger simulations may benefit from incremental updates. Each particle queries its neighborhood for potential collisions, typically checking only 5 to 15 candidates instead of all 40. Red highlights indicate colliding pairs.
苹果 CEO 蒂姆 · 库克：相信自己的力量
，这一点在雷电模拟器官方版本下载中也有详细论述
Офтальмолог дал советы по настройке монитора для защиты глазОкулист Азнаурян: Блики на экране от света увеличивают нагрузку на глаза
另一方面，他的一些朋友遭到ICE的抓捕，這同樣令他感到擔憂。