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.
Publication date: 10 March 2026，这一点在safew官方版本下载中也有详细论述
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The figures for 2025 are the highest since records began in 2010. The previous peak was in 2017.，详情可参考旺商聊官方下载
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