# Ball movement is stuttery. How to achieve smooth movement?

**URL:** <https://discourse.processing.org/t/ball-movement-is-stuttery-how-to-achieve-smooth-movement/12094>\
**Category:** Coding Questions\
**Created:** [June 16, 2019, 1:05pm UTC](https://discourse.processing.org/t/ball-movement-is-stuttery-how-to-achieve-smooth-movement/12094 "2019-06-16T13:05:57Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![kll](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/kll/32/964_2.png) [@kll](https://discourse.processing.org/u/kll)\
**Post date:** [July 30, 2019, 2:51am UTC](https://discourse.processing.org/t/ball-movement-is-stuttery-how-to-achieve-smooth-movement/12094/21 "2019-07-30T02:51:26Z")

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- are you still on processing.js 1.4.8

- and above link is your [current code](https://www.openprocessing.org/sketch/672559)?

the lerp info would be [here](http://processingjs.org/reference/lerp_/)

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**Author:** ![rusagent](https://avatars.discourse-cdn.com/v4/letter/r/7feea3/32.png) [@rusagent](https://discourse.processing.org/u/rusagent)\
**Post date:** [July 30, 2019, 7:37am UTC](https://discourse.processing.org/t/ball-movement-is-stuttery-how-to-achieve-smooth-movement/12094/22 "2019-07-30T07:37:19Z")

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No.  
I’m using versino 3.5.3 and i’m using the java library. My current code has the update from @jeremydouglass for the paddle in there but not for the ball. If you could help me with the lerp function with the ball that would be great! (Y)

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