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UE4 Landscapes how to make caves

Hi all,

I am planning the landscape for my game. I plan to use UE4s landscape actor to make it, but I have realised that with this it isn't really possible to make caves. The only way I can think of to do it is to make a hole in the landscape with the landscape visibility tool to act as the cave entrance, and then adding 2 more smaller landscapes, one for the cave roof and one for the cave walls and floor. I could use ue4s sculpt tools to shape them as I wish, and then position them so they line up. This would probably be quite difficult to do, especially as I want lots of caves.

Is there any other way I could do it?


Product Version: UE 4.20
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asked Aug 29 '18 at 08:48 AM in Everything Else

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avatar image ThompsonN13 Aug 29 '18 at 01:17 PM

your best bet for caves is to use static meshes. you could still use the landscape for the floor, but for walls and roof static meshes are best.

ive only ever seen one example that possible used a landscape for a cave but it modified the engine to a point that ive never seen anyone else attempt it.

anyway theres a ton of cave assets, environments, and examples on the marketplace. check out soul cave pretty sure that ones free.

avatar image MarsMiner Aug 31 '18 at 08:36 AM

Thanks! I will try something like this out.

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2 answers: sort voted first

This tutorial has a decent description of the method you mentioned at first. Maybe you have already seen it. https://www.youtube.com/watch?v=BDg9IUakMAA

Another method would indeed be a static mesh as ThompsonN13 mentioned. You could make a hole in the landscape and fill it with the mesh, or you could make your mountains, or part of your mountains a static mesh as well for an easy integration with your cave. Though this might be time consuming. the only other method I can think of (never tried it, not sure if it is entirely possible) is to make the cave entirely with the landscape tool.

I think just punching a hole on the landscape and filling it up with a static mesh is the easiest way.

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answered Aug 29 '18 at 02:44 PM

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avatar image MarsMiner Aug 31 '18 at 08:35 AM

Thanks! This is very helpful. I will probably go for a combination of these methods.

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If you're looking to learn different ways you can do it, this video will help. https://www.youtube.com/watch?v=EuBD6S20BIk&t=103s If you want to make a cave in the landscape using the landscape visibility tool. https://www.youtube.com/watch?v=1jKLYxPBszQ&t=6s

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answered Dec 22 '18 at 06:34 PM

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avatar image MarsMiner Dec 29 '18 at 08:56 PM

Thanks! These all seem like valid methods.

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