Hi!
I’m using unreal 5.2.1.
I want to use a hemisphere in the shape of a dome. The players will see the inside of the sphere, but I don’t know how to add a material so that it appears inside the sphere, not on its surface.
How can I set the material? Or, maybe, there is something special to do with the UV. Sorry, I have no idea about materials.
Thanks!
Hey there @ViaCognita! So there’s 2 ways you can go about this.
Two sided material: This setting puts the material on both the inside and outside of the faces, and not just the outside. You’d go with this if you care about the outside material. You can access this in the material details:
Create a dome that has it’s face normals faces inward and then you can use a material in anyway you’d like. The default sky sphere in the engine files is just a sphere with reversed face normals like this.
I’d usually recommend to take it into your 3D software of choice or blender in most cases. However you could use the modeling toolkit plugin if you’d prefer to handle it in engine. Here’s a video showing you how to fix it in Blender however:
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Alternatively if you’d like to pull it off in engine:
Enable the “Modeling Tools Editor Mode” Plugin and restart UE5.
Then select the mesh in the level and switch from “Select” to “Modeling Mode” in the top left region.
Under “Attributes”, you’ll find “Nrmls” which allows you to edit the Normals of the Mesh. If you wish to only flip certain faces of the mesh, use the “TriSel” Mode under “TriModel” instead. Simply select the faces and hit “Flip Normals” under Mesh Edits.
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