help improve coding efficiency and reduce the time spent on writing code.
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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具体来说，超广角镜头将默认接管视频拍摄，35mm 镜头则作为日常拍照的主力，再搭配一颗高素质长焦，维持了经典的三摄阵容。同时，2 亿像素方案也拓展到了另一颗镜头上，拉起了双两亿的硬件阵营。
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