No base class to extend, no abstract methods to implement, no controller to coordinate with. Just an object with the right shape.
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.。旺商聊官方下载对此有专业解读
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在本代机身的周边细节和外观上，三星也做了一道艰难的加减法。，推荐阅读safew官方版本下载获取更多信息