NANITE Full Tutorial | Unreal Engine 5

It’s been around for a few years now, but only a few truly understand what’s going on under the hood. Let me clarify everything, from what Nanite actually is, to its pros and cons, and the overall evolution.

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00:00 Intro
00:15 Initial explanation
00:40 Model on Mip Maps
01:10 Core Concept
01:34 Normal Maps
01:58 Displacement Maps
02:20 Level Of Details (LOD)
03:04 Culling
03:20 Nanite simplifies Everything
04:07 How to Activate Nanite
05:27 Nanite Cluster System
07:18 Occlusion and Overlap
08:56 Foliage, Aggregate Geo
10:35 Nanite Limitations
11:35 Lighting and Raytracing
12:20 Fallback Mesh
13:26 Nanite Tessellation
14:40 Outro

#unrealengine #unrealengine5 #nanite

[marcoseliasmep]

Awesome! This is a huge step for world creation.

I just have a problem with roads... Do you know if it is possible using the original mesh as the collider? Unreal uses the first optimized mesh for collider. It sucks, because I basically cannot enable Nanite on realistic roads. The collision gets broken. The wheels appear flying or under the surfaces if it is not plane.

Oh, to enable or disable it on many meshes there is no need to go to the properties matrix. Just right click - Nanite - Enable or Disable.

[sanketvaria]

Can we control how many triangles over all nanite should show on screen? if we can then does that improve performance?

[dimaananyev]

While folks are gathering in anticipation of tons of useful information on nanite, I'd like to ask a question in case anyone knows. I downloaded some different vegetation from quxel megascan, flowers, ferns, sunflowers. Translate meshes in nanite get spoiled geometry, as if different parts of the model received a different scale as a result of this translation, the stems of plants thicken 5 times, and in general the whole geometry is spoiled. Returning back to the state when the nanite is disabled, with geometry again everything is ok. Please advise, please, what could be the problem here.

[SpaceMan-ig]

hi i enable nanite and certain meshes in the project look broken. i've tried to solve this issue with no luck. solutions i tried; disable sm5, recalculate normals, trim relative error to 0. nothin is working, any suggestions

[funny-cartoon-animation]

I have a few problems.
Although I bring the objects in high quality and convert them to nanite, their resolution still decreases when the camera moves back or forward.
I canceled them using the command panel, but this still happens. Do you have any advice?

[zenparvez]

I had imported a model from Character Creator 4 inside UE 5.4 through iclone livelink as a skeletal mesh and then opening the project with 5.5 but ticking nanite does not enable nanite on that model. What am I missing ?

[russellcollins]

Very Valuable Inf your presenting Excellent breakdown off this subject.

Problem for me is you are talking to fast for English to be fully comprehended.