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.
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违反有关法律、法规、规章规定，出售、饲养烈性犬等危险动物的，处警告；警告后不改正的，或者致使动物伤害他人的，处五日以下拘留或者一千元以下罚款；情节较重的，处五日以上十日以下拘留。
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В России ответили на имитирующие высадку на Украине учения НАТО18:04