Runtime Virtual Texture setup to blend materials in UE5.3 (quick tut)

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This is a short video version of my previous more detailed tutorial, which works well as a reminder on how to quickly setup RVT. Save it for the future use.

By setting up the Runtime Virtual Texture (RVT) we can organically blend landscape's/surface's material with material of any asset that comes into contact with that landscape/surface. Unfortunately, as of UE5.3, nanite meshes cannot write/sample RVTs, so by making the static mesh non-nanite allows this to work correctly.

CORRECTION: at 1:45, the second Transform Vector "from world to tangent space", should not be at Landscape/Surface Material section, but it should happen after two material blending instead. Furthermore, an additional Transform Vector "from tangent to world space" should be added for other/asset material as well. Basically, Normal texture's space has to be converted to "world space" before blending materials, and after the blend it has to be converted back to "tangent space".

#ue5 #unrealengine #runrimevirtualtexture #ue5tutorial
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Do add more videos like first one it’s very nice and unique style of yours

SuperDheerj
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Hey there!

Thanks for the video.
I've run into an extremely annoying problem recently and I'm desperate as nobody seems to have either encountered this problem, or nobody knows how to fix it.
RVT on my meshes works perfectly fine, up until it gets shadowed. As soon as a shadow is cast on a mesh that is receiving the RVT information, as in, the one that I'm trying to blend in, it gets.. messed up. As if there was a specular issue somewhere but I cannot find where.
Tried everything, including completely getting rid of every possible instruction except for the Albedo, and even then, my colors do not fit whenever the object is shadowed.
Any tips?
Thanks.

SBBBurney
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does this work on nanite meshes? i am new to RVT and am trying to amke it work on a street geometry.... but seems to only work if nanite is off.

mindped
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too fast man, it's complicated topic and you are going too fast.

alexrybin