# Sprite/Wall Collision Event Repeated

**URL:** <https://forum.makecode.com/t/sprite-wall-collision-event-repeated/487>\
**Category:** Arcade\
**Created:** [August 26, 2019, 3:10pm UTC](https://forum.makecode.com/t/sprite-wall-collision-event-repeated/487 "2019-08-26T15:10:14Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![kjw](https://avatars.discourse-cdn.com/v4/letter/k/e79b87/32.png) [@kjw](https://forum.makecode.com/u/kjw)\
**Post date:** [August 26, 2019, 4:53pm UTC](https://forum.makecode.com/t/sprite-wall-collision-event-repeated/487/2 "2019-08-26T16:53:57Z")

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It looks like alignment is a critical factor in triggering this bug.

Having said that, I’m wondering if this is related to [Wall collisions and sprite vy](https://forum.makecode.com/t/wall-collisions-and-sprite-vy/481). That also has _two_ events where the velocity value is the impact velocity. Or is that something else?

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