# random flicker from Single Blueprint

**URL:** <https://forums.unrealengine.com/t/random-flicker-from-single-blueprint/479357>\
**Category:** Rendering\
**Tags:** light, unreal-engine, flickering, question, Blueprint\
**Created:** [February 24, 2021, 6:47pm UTC](https://forums.unrealengine.com/t/random-flicker-from-single-blueprint/479357 "2021-02-24T18:47:16Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Everynone](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/everynone/32/1135017_2.png) [@Everynone](https://forums.unrealengine.com/u/Everynone)\
**Post date:** [February 24, 2021, 8:28pm UTC](https://forums.unrealengine.com/t/random-flicker-from-single-blueprint/479357/2 "2021-02-24T20:28:34Z")

</div>

How about this snazzy Light Function?

## Material

 ![330777-lightf.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/f/e/2/fe2bd5e569feba928af0da2a87920eba0727166f.jpeg)

## Actor with a light

 ![330778-actorstrobe.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/6/b/b/6bbcb6bc6c204fa55b873fb526ce0d85f7c0317f.jpeg)

[![Image from Gyazo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/9/3/e/93e30a9a9e9569e6cb840b00a87b0781e5eb8989.gif)](https://gyazo.com/6a6d9cc417dd5e6e8377c7bf2cba686a)

It’s nice this way because when bulbs flicker it’s not really a sharp off/on. It’s a quick falloff transition and this is simulated here; and quite efficiently, too.

---

_[View the full topic](https://forums.unrealengine.com/t/random-flicker-from-single-blueprint/479357)._