UPDATE 9/12/2022 - Drop Shadow Plugin v2.0 is currently in development. It will feature the ability to generate shadows to your direct specifications and with UI’s that have rounded corners. This will be a desktop application to utilize native APIs.
In order for this function to work correctly and have the have your ScreenGui instance you need to have ZIndexBehavior as Global
Also: You can’t use rounded frames as the shadows are for 90 degree angles.
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About
The Drop Shadow Plugin is a simple plugin to let you create drop shadows on your UI elements. From Frame to Text Buttons and more you can add a drop shadow.
This update is going to take some time as we’re also updating the UI work even better along with some more settings to make sure it works a majority of the time!
Solution Found
5/11/2020 at 12:05pm
We have found a solution to this bug and are currently going to attempt to implement a fix.
Identified
5/11/2020 at 12:00pm
We identified a bug within the ZIndex where the shadow is sometimes rendered above the element you’re trying to create a drop shadow for. We’re currently looking for a solution to this and will update this post once we’ve identified a solution and attempt to implement it.
I would love to do this in the future, it just may take a long time as I would need to create an image for every single corner radius and it’s elevation.
But I’ll make sure to add it to my to-do list.
One thing I might do is only allow certain UICorner radius’s to be used just so it’s easier on me.