"But then they look back when they're older and go 'I missed that part of their lives', and that's awful. We don't want to be like that."
A quadtree reduces this: rebuild the tree each frame, and for each object, query only the nearby region. Objects in distant quadrants are never compared.
，更多细节参见旺商聊官方下载
“要不试试顺风车？”爱人的提议点醒了我。要是能遇上顺路的车主，直接送到家门口，哪怕多花点钱，也比来回折腾强。于是，我在某顺风车App上发布了行程计划，标注了出发时间和目的地，满心期待能有合适的车主接单。没过多久，就有车主私信我，简单确认了行程细节后，我们约定了初二一早在小区门口碰面。
That decision sapped a lot of energy from the project, and others on the team began to move away from it as their personal lives became busier. Sultan of Rum said all this has made the project better in the long run. Project leaders soon instituted better planning and management systems that centralized information and preserved institutional knowledge in case longtime developers decide to leave.
Mat Smith for Engadget