const { value, done } = await reader.read();
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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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而这些案例背后，藏着一个共同的逻辑——产品结构的本质，是对顾客需求的精准管理。如今消费者需要新鲜、体验、健康、美学和更好的服务，就连海底捞都推出了大排档，就是为了适配消费者的体验升级。餐饮行业除了“人货场”，还要关注“价效流”——这里的流量，不是单纯的营销流量，而是线下客流、内容客流、口碑客流的综合。