How do I make walls? Collision detection?

1

Hey!

I´m doing a car game and I need to do some walls, stopping the car taking a short cut accros the circuit. I have been trying to fix this problem using collision detection but I really don’t know how it’s works…:frowning:

How do I create these walls?

// niclas

2

Yo how do u make it so if ur car runs over a finish line it goes to the next frame and until it runs over it, you keep racing…lol