描述了在手机上表现滞钝的传统实现思路,并在此基础上,使用了不同于传统思路的新方法实现赛道弯曲和地图映射,并给出程序伪代码,最后提供了一些提高效率的优化措施. -Describes the lag in the performance of mobile phones to achieve the traditional idea of a blunt, and on this basis, the use of a new line of thought is different from