# Code.org Unit 21 Lesson 10 on

**URL:** <https://forum.code.org/t/code-org-unit-21-lesson-10-on/23562>\
**Category:** Unit and Lesson Discussion\
**Tags:** csd-unit-3\
**Created:** [December 17, 2018, 6:07pm UTC](https://forum.code.org/t/code-org-unit-21-lesson-10-on/23562 "2018-12-17T18:07:25Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![rickdaws](https://avatars.discourse-cdn.com/v4/letter/r/8c91f0/32.png) [@rickdaws](https://forum.code.org/u/rickdaws)\
**Post date:** [December 17, 2018, 6:07pm UTC](https://forum.code.org/t/code-org-unit-21-lesson-10-on/23562/1 "2018-12-17T18:07:26Z")

</div>

[https://studio.code.org/s/csd3-2018/stage/21/puzzle/10?user\_id=39512977](https://studio.code.org/s/csd3-2018/stage/21/puzzle/10?user_id=39512977).

none of the sprites will move/ some dont show up, and when they do show up and i can put the code in the code goes backwards.,

---

<div class="post-metadata">

**Author:** ![elizabeth\_admin](https://avatars.discourse-cdn.com/v4/letter/e/bb73d2/32.png) [@elizabeth\_admin](https://forum.code.org/u/elizabeth_admin)\
**Post date:** [December 17, 2018, 7:08pm UTC](https://forum.code.org/t/code-org-unit-21-lesson-10-on/23562/2 "2018-12-17T19:08:21Z")

</div>

Hi Rick,

The student is drawing the backgrounds after all of the other sprites have been drawn, which means that they are covered up. The if statement that draws the backgrounds in the draw loop needs to come before the `drawSprites` command.

Elizabeth

---

<div class="post-metadata">

**Author:** ![rickdaws](https://avatars.discourse-cdn.com/v4/letter/r/8c91f0/32.png) [@rickdaws](https://forum.code.org/u/rickdaws)\
**Post date:** [December 19, 2018, 6:05pm UTC](https://forum.code.org/t/code-org-unit-21-lesson-10-on/23562/3 "2018-12-19T18:05:50Z")

</div>

Thank you for your feedback!!