Some physX problems

Hello, everyone

I started learning physX recently ,but I had a problem....

I wanted to move a car using physics ,but because add_forcecentral moves it on the global axes ,I used add_forcelocal. Unfortunately, I'm getting a spinning effect although I set vpos vector to car.x

Also, the car penetrates the terrain because of gravity ,so I had to set gravity to nullvector

Thank you for reading

You can look in knights_on_wheels.c to see how to create a car with physX (also in car.c for the internal workings).