So I am currently making a game, and I have around 1.3k parts (not alot), however, I do believe I would have way more in the future (specific amount depends), I have searched around and it seems like meshes are better on performance then parts (?), but I want to know exactly by how much, since meshes are technically just joined together parts (while building through the X-ray, you can see each individual part still exists), and also, how would they differ from groups?
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I think you’re talking about Unions, not meshes. Unions are parts combined, meshes are unique 3d models created in external software like Blender.
Performance wise, it depends on what is being made. If you’re making something very basic and simple, parts or unions will work, but anything advanced you’d want to make a mesh for and import it. You wouldn’t build a car in studio, you’d 3d model a car mesh and import it.
Meshes are better than Unions because unions have extra faces on the inside that you don’t want, and can’t remove. In Blender, you could remove the extra sides on the inside.
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wait but you can export roblox unions as meshes, and re-upload them… Does this mean I would want to import then into blender first, and remove the extra sides before uploading them back onto roblox? (Since I do not have a mouse and is very unfamilier with blender, I was doing my models in roblox most of the time)
If you want the best performance possible, you could export a union into Blender and remove extra sides, then reimport it into Studio, or just make a mesh in Blender originally and import it to Studio.
Sometimes what you can do to unions is resize the individual parts of it to go inside each other so there are less unnecessary sides. I think this would hardly affect performance though.
Im pretty sure the sides stay unless I do it in blender though