How to project an overlay on top of existing mesh?

[VictorK009]

@Graylord

You can use an alpha mask to make the decal whatever shape you want.
However, the decal will apply to everything, not just the hexagonal base. You would have to disable decals for things above it which means you can’t use effects like blood splatters or burns for it anymore. (or make a very thin decal that slips between the base and the object above it, but it’s prone to artifacting)

I think a better approach is to make the the hexagonical graphics you want to apply a part of your material. You can toggle and blend layers/attributes through blueprint or c++.

Thank you for your input. I will look into blending materials.

Last night, I ended up creating a new texture + material, using toosl like Blender and Illustrator. Here’s the steps:

• Unwrap the hex tile 3d Model in Blender and export UV map .
• Export the material that comes with StarterContent pack into a png file.
• Create a new texture via Illustrator.
• Import it to UE4 and create a new material based on this.
• Setup onclick for the actor (hextile) and switch the material via c++.

I think this will do it for now.
I also read about Material-Layer/Layered-Material, but they are rather complex and still in Beta so I didn’t want to try that yet. Granted I don’t have much background in 3d modelling or creating texture either.
This is just a prototype so I simply want something functional at minimum. Will definitely revisit this though once I have the basics down.