# Flashlight effect

**URL:** <https://forum.kirupa.com/t/flashlight-effect/291192>\
**Category:** Uncategorized\
**Created:** [June 25, 2009, 11:28pm UTC](https://forum.kirupa.com/t/flashlight-effect/291192 "2009-06-25T23:28:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![flyingmonkey456](https://avatars.discourse-cdn.com/v4/letter/f/e47774/32.png) [@flyingmonkey456](https://forum.kirupa.com/u/flyingmonkey456)\
**Post date:** [June 25, 2009, 11:28pm UTC](https://forum.kirupa.com/t/flashlight-effect/291192/1 "2009-06-25T23:28:24Z")

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i know there is a way to make a mask that shows what is underneath an object. does anybody know how? say i have a circle for the flashlight, a large rectangle for the darkness, and some dude standing behind the rectangle. i need the flashlight to show what’s underneath the rectangle. how would i do that? and say i wanted the hole to stay there. how would i do that? also, this has to have fuzzy edges. i can not do this by having a rectangle with a hole in it following the mouse, there will be multiple flashlights. btw, i’m not actually making something with flashlights, but it’s the same concept as what i am making and i think this will be easier to understand 🙂