# Chapter 22 (Advanced Collisions)

**URL:** <https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788>\
**Category:** 3D iOS Games by Tutorials\
**Created:** [January 2, 2019, 6:29am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788 "2019-01-02T06:29:29Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![thechurchofsam](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/thechurchofsam/32/102075_2.png) [@thechurchofsam](https://forums.kodeco.com/u/thechurchofsam)\
**Post date:** [January 2, 2019, 6:29am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/1 "2019-01-02T06:29:29Z")

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After completing this chapter, my pig (which I changed to a cat using MagicaVoxel and imported it), can still pass through trees, buses, and cars. I’ve tried Xcode 9 and 10, and it won’t work. Any solutions?

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [January 2, 2019, 9:57am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/2 "2019-01-02T09:57:06Z")

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@chrislanguage Can you please help with this when you get a chance? Thank you - much appreciated! :]

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**Author:** ![thechurchofsam](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/thechurchofsam/32/102075_2.png) [@thechurchofsam](https://forums.kodeco.com/u/thechurchofsam)\
**Post date:** [January 2, 2019, 6:25pm UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/3 "2019-01-02T18:25:17Z")

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Does anyone know if it will work in Xcode 8? Or how have people been able to use it recently? Thanks!

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**Author:** ![sergeydi](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/sergeydi/32/81494_2.png) [@sergeydi](https://forums.kodeco.com/u/sergeydi)\
**Post date:** [January 15, 2019, 5:49am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/4 "2019-01-15T05:49:05Z")

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I have the same issue after completing the chapter.  
Also final project of the chapter has the issue too.

PS. Xcode 10.1

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**Author:** ![sergeydi](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/sergeydi/32/81494_2.png) [@sergeydi](https://forums.kodeco.com/u/sergeydi)\
**Post date:** [January 23, 2019, 5:33am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/5 "2019-01-23T05:33:34Z")

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This helps me 🙂

![56](https://files.chunter.kodeco.com/original/3X/b/8/b8e714544990af026a7c8d929f7ee2d61a2c5afd.png)

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**Author:** ![shogunkaramazov](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/shogunkaramazov/32/108826_2.png) [@shogunkaramazov](https://forums.kodeco.com/u/shogunkaramazov)\
**Post date:** [February 6, 2019, 1:35am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/6 "2019-02-06T01:35:28Z")

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@sergeydi Do you still have issues with this?

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**Author:** ![sergeydi](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/sergeydi/32/81494_2.png) [@sergeydi](https://forums.kodeco.com/u/sergeydi)\
**Post date:** [February 6, 2019, 5:07am UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/7 "2019-02-06T05:07:53Z")

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@shogunkaramazov No, my last comment solved it.

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**Author:** ![system](https://s3.amazonaws.com/cdn.raywenderlich.com/community/forum-assets/noun-game-ghost-878668.png) [@system](https://forums.kodeco.com/u/system)\
**Post date:** [June 17, 2019, 10:29pm UTC](https://forums.kodeco.com/t/chapter-22-advanced-collisions/58788/8 "2019-06-17T22:29:32Z")

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