Looking at textures cause lag?

When I was testing my game my camera accidentally went pass a decal. There was a massive lag spike. I went pass again and the same thing happened. Then I moved away from it, the lag had reduced. But I wonder, why does this happen? I placed a different decal this time and the results were different. It wasn’t as bad as the first decal. What could be causing this?

Maybe that decal was high quality, and the second decal was lower quality.


mabye the decale was on Mesh

a laggy Mesh (or just a lots of Meshs)

i have no idea why either since every image on the roblox catalog is all ways 420 x 420 pixel long

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Usually that happens if there’s a lot of parts in a small area,

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