# How do you make or do overlaps?

**URL:** https://discourse.processing.org/t/how-do-you-make-or-do-overlaps/44010
**Category:** Coding Questions
**Created:** [March 1, 2024, 2:33am UTC](https://discourse.processing.org/t/how-do-you-make-or-do-overlaps/44010 "2024-03-01T02:33:59Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![QuWack-fan-Duck](https://avatars.discourse-cdn.com/v4/letter/q/90db22/32.png) [@QuWack-fan-Duck](https://discourse.processing.org/u/QuWack-fan-Duck)
#### Post date: [March 1, 2024, 2:33am UTC](https://discourse.processing.org/t/how-do-you-make-or-do-overlaps/44010/1 "2024-03-01T02:33:59Z")

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how can you create or do overlaps to make something happen

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### Author: ![tabreturn](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/tabreturn/32/3697_2.png) [@tabreturn](https://discourse.processing.org/u/tabreturn)
#### Post date: [March 1, 2024, 3:13am UTC](https://discourse.processing.org/t/how-do-you-make-or-do-overlaps/44010/2 "2024-03-01T03:13:05Z")

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Like, [Collision Detection](http://jeffreythompson.org/collision-detection/)?

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### Author: ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)
#### Post date: [March 1, 2024, 3:52pm UTC](https://discourse.processing.org/t/how-do-you-make-or-do-overlaps/44010/3 "2024-03-01T15:52:00Z")

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Your question is a bit generic.

Can you post your code and ask a more specific question?

An overlap appears when you draw two items  
close to each other and you use a fill color with a weak  
fill, eg. fill(0,255,0, 25);