Instead of setting both the From and Into collide masks, you can do this:
self.carbody.setCollideMask(BitMask32.bit(1))This command will set 1 mask and reset the other, and this should do what you want, since the car is plain geometry.
Instead of setting both the From and Into collide masks, you can do this:
self.carbody.setCollideMask(BitMask32.bit(1))This command will set 1 mask and reset the other, and this should do what you want, since the car is plain geometry.