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.
AI“虹吸”内存产能，半导体供应链权力悄然转移
。同城约会对此有专业解读
timeline, but our best guess is a timeframe of several months (so not weeks,
The last touched term becomes selected. Selected subterms are highlighted with a red outline.