# Ch 13 errata when adding asteroid animation

**URL:** <https://forums.kodeco.com/t/ch-13-errata-when-adding-asteroid-animation/53466>\
**Category:** tvOS Apprentice\
**Created:** [October 21, 2018, 7:20pm UTC](https://forums.kodeco.com/t/ch-13-errata-when-adding-asteroid-animation/53466 "2018-10-21T19:20:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![afinque](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/afinque/32/110937_2.png) [@afinque](https://forums.kodeco.com/u/afinque)\
**Post date:** [October 21, 2018, 7:20pm UTC](https://forums.kodeco.com/t/ch-13-errata-when-adding-asteroid-animation/53466/1 "2018-10-21T19:20:44Z")

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In Chapter 13, on Animations, towards the end of the Animating Movement section, when starting the asteroid animation, the text instructs you to:

**Add the following else statement to the completion closure of getCurrentISSLocation():**

_if self.stationMarker.isHidden {_  
…  
_} else {_  
_self.asteroidView.animateRandomFlyBy()_  
_}_

It should instead read:  
**Add the following else statement to the completion closure of _updateCurrentISSLocation()_:**

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<div class="post-metadata">

**Author:** ![syedfa](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/syedfa/32/101500_2.png) [@syedfa](https://forums.kodeco.com/u/syedfa)\
**Post date:** [October 30, 2018, 8:18pm UTC](https://forums.kodeco.com/t/ch-13-errata-when-adding-asteroid-animation/53466/2 "2018-10-30T20:18:11Z")

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@afinque Thanks very much for sharing this with us, I will let the author know!

All the best!

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<div class="post-metadata">

**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:** [April 6, 2019, 11:20am UTC](https://forums.kodeco.com/t/ch-13-errata-when-adding-asteroid-animation/53466/3 "2019-04-06T11:20:44Z")

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Closed on April 6, 2019, 11:20am UTC

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