Thank you! I have not seen any problem with car example on my own laptop, but I will try it on some more different devices to find the issue. Regarding perfor

Thank you! I have not seen any problem with car example on my own laptop, but I will try it on some more different devices to find the issue. Regarding performance, because Planck.js code is hand-made and readable it is not difficult to improve it if it is not fast enough with some cases. asm.js looks promising, I'm going to have a closer look at it.