# How do I make walls? Collision detection?

**URL:** <https://forum.kirupa.com/t/how-do-i-make-walls-collision-detection/104343>\
**Category:** Uncategorized\
**Created:** [March 15, 2004, 8:01am UTC](https://forum.kirupa.com/t/how-do-i-make-walls-collision-detection/104343 "2004-03-15T08:01:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![z\_nicz](https://avatars.discourse-cdn.com/v4/letter/z/71e660/32.png) [@z\_nicz](https://forum.kirupa.com/u/z_nicz)\
**Post date:** [March 15, 2004, 8:01am UTC](https://forum.kirupa.com/t/how-do-i-make-walls-collision-detection/104343/1 "2004-03-15T08:01:55Z")

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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…☹

How do I create these walls?

// niclas

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**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [May 26, 2004, 8:08pm UTC](https://forum.kirupa.com/t/how-do-i-make-walls-collision-detection/104343/2 "2004-05-26T20:08:15Z")

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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