https://blog.wongcw.com/2018/12/04/%e8%8b%b1%e5%81%89%e9%81%94%e5%ae%a3%e5%b8%83physx-sdk-4-0-%e4%b8%a6%e5%8a%a0%e5%85%a5%e9%96%8b%e6%ba%90%e8%a8%b1%e5%8f%af/