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Area of Interest Library
这个库比较久,不知cloud还有没维护,看了代码和以下介绍文章:
http://blog.codingnow.com/2012/03/dev_note_13.html
两个疑问:
1)文中建议上层判断超出两倍AOI半径才取消关注,因为可能不再收到进入AOI消息,但看了代码发现应该不存在这个问题才对,也即上层应该可以在超出正常AOI半径的时候就取消关注
2)文中提到,假设B在A AOI区域内可能重复发进入AOI消息,看了代码确实如此,但同时提到"但不会有过于频繁的消息推送",按代码实现来说这种情况还是有可能很频繁
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