Should I use multiple landscapes for multiple islands?

Development World Creation
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1

Hi,
I’m working on an open world that will consist of a large ocean that will have a number of small / medium sized Islands in it. The Player will be able to sail from island to island and do stuff on them.

My question is, should I build these islands on a single large landscape or would it be better to give each island it’s own landscape?

My thoughts:
I think it would be easier to adjust the positions of the islands later if I would build them on different landscapes, because I would just need to move the landscape where the island is placed on.

But which method is better for performance? One single large landscape, which will be mostly invisible (under water between the islands), or multiple small landscapes, one per island (let’s say about 20, and the spaces between the islands will be empty)?

Thank you!

2

I think it’s better to use World Composition because landscape will only be rendered or processed when it is visible.
and it will be more flexible to use landscape material textures, and possibly improve performance.

3

I agree, World Comp is the way to go.