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BSP brushes - necessary ?

Should i still roughen out the level geometry using BSP brushes ? Does this provide performance improvements (collision,visibility, maybe?) ? Or is a fully static-mesh based level feasible and encouraged ? The documentation seems to hint at brushes being 'deprecated' and not needed anymore.

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asked Mar 22 '14 at 10:27 AM in Using UE4

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Tansien
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2 answers: sort voted first

No. They are not nessesary. I over year haven't used them even once. It really depends on your workflow. I blockout everything using meshes, either simple primitives or rough shapes of what I think I will use.

Work how it fits you best!

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answered Mar 22 '14 at 11:15 AM

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iniside
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Since BSPs have been greatly improved compared to UE3, I think it's still worth using them to block out your levels. Moreover, just have a look at Epic's examples. They use BSPs almost everywhere. I'm not sure about performance benefits of using them though.

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answered Mar 22 '14 at 10:56 AM

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EF
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avatar image BiosElement Mar 29 '14 at 05:09 AM

I couldn't say for sure, but I've read a few posts from Unreal Devs mentioning that the performance is actually better with static meshes than with brushes, although that might just be for certain situations.

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