Is there any way to have something happen to a certain part of a block?

[ChickHenEn]

I know you can simply duplicate the part and have whatever happens to the brick on the duplicate. This is a decent fix to the solution. But I don’t understand how you would make something like a spray paint, where you’d need to make the paint that comes out come out accurately and correctly shaped (really hard to do with duplicating the part a lot)

Here’s an example

In this example, there is a little blob in the middle. The thing is, this is only one part.

Anyone know how to do this?

TLDR; is there a way to make something only happen to a tiny bit of ONE part

[Dev_OnCake]

You could use a SurfaceGUI, then add an ImageLabel and change the position of the label on the part.

[5uphi]

while in Roblox we don’t have the ability to edit textures dynamically

there are a few tricks for doing this

1. you can use a raycast and use the position and normal from the raycast result to position a invisible part with a paint decal
   Intro to Raycasting
   
   

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2. your part can be built out of multiple parts like minecraft and when you paint you will adjust each parts color
   

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3. use a viewport to generate a texture by placing parts inside the viewportframe
   ViewportFrame GUI
   
   

[ChickHenEn]

Thanks! In your opinion, what is the best one to use for a cone?