14 votes

No smoothing group information was found when importing obj file in UE4

Set Smoothing under the Geometry tab to Face in the FBX export settings when exporting.
Jackdaw's user avatar
  • 4,099
11 votes
Accepted

Unwrapping head geometry similar to Epic's MetaHuman Characters?

Perhaps something like this would be suitable : This was achieved manually (but the manipulation of the UV could potentially be automated) from the female base mesh mentioned, using the following ...
Rich Sedman's user avatar
  • 44.7k
6 votes
Accepted

How to render voxels?

While there are several file formats used for voxel data, they are used for volumetric data, such as smoke and fluid, which I doubt will help you. As you have the data in numpy, I would suggest ...
sambler's user avatar
  • 55.4k
6 votes

How are quads converted to tris for games?

All 3d applications renders geometry as a bunch of Tris in the end. The Quads and N-gons are only a convenience for editing and gets converted by the render engine. When you export models for a game ...
Jackdaw's user avatar
  • 4,099
5 votes

How to export fluid animation 100% prebaked and import to UE4

Some time ago I actually found a way to achieve this. In this video you will learn how to export .abc file from Blender properly, and then you can use this add-on to simply import an .abc file into ...
Rosy's user avatar
  • 51
5 votes
Accepted

Mesh disappears when removing parent armature relation

Did you notice the mesh dimensions in the 3D view sidebar? It goes from meters and centimeters to centimeters and millimeters. It's not disappearing, but shrinking to such tiny dimensions you can't ...
Rhaenys's user avatar
  • 1,374
4 votes
Accepted

Blender Crash on .fbx export

Tips to avoid this: Activate Selected Objects (not whole scene) Activate only "Deform Bones" under Armature tab(so rig won't corrupt the FBX if many constraints, or loopback bones that might make ...
Draise's user avatar
  • 206
4 votes

Normal Maps seem to be baked with Low Poly Details

The main problem is that you are baking a normal map suited for OpenGl. Unreal uses DirectX normal maps. You can easily solve this by inverting the green channel. It can be done during bake in blender,...
Jackdaw's user avatar
  • 4,099
4 votes

Moving with "Right Mouse Button+WASD" while Editing

As far as I'm aware, the closest thing Blender natively has for that style of navigation is the Shift+` thing that you mentioned. It seems that walk/fly navigation is better for navigating through ...
ElliotThomas's user avatar
4 votes

How to Model Smooth Models for Games with Low Poly

I've worked with various games engines for about 18 years now so I'll try my best to answer your questions. For something kinda small like that I'd say 200 tri's at the very most. 2-5k is a LOT for a ...
The Jovial Brit's user avatar
3 votes

Animation not working in Unreal Engine 4

Hey I had a similar issue, this thread helped me fix it: https://answers.unrealengine.com/questions/736756/blender-animation-import-problem-empty-animations.html If link dies the solution was, ...
mrVentures's user avatar
3 votes
Accepted

how to correctly import .wrl in blender?

Got it! I have selected the model in blender, changed to from object to edit mode, then pressed ctrl + n and. after that on the lower left hand side appeared "Make Normals Consistent" with a checkbox ...
user3017459's user avatar
3 votes

Transparent faces on exported FBX

You have inverted normals. In edit mode, select all faces (A), then do CtrlN. The object should turn from blueish to greyish, which means that your normals are now correctly pointing outwards.
Nicola Sap's user avatar
  • 12.9k
3 votes
Accepted

Is it possible to "dissolve" a driver and commit its effects on an animated armature?

Figured it out, with the help of Rich Sedman. What I'm doing now is establishing a complete animation in Blender, with the use of drivers and empties. Blender drivers are python-dependent, so of ...
Michael Macha's user avatar
3 votes

Best output file format for 3D model to Unreal engine 4

Most people use FBX when exporting to UE4 – you'll find a lot of information over at the UE4 Wiki in the Blender Section Personally the only issues I've dealt with myself are: Importing meshes with ...
Black_Light_st's user avatar
3 votes

Best output file format for 3D model to Unreal engine 4

I use Unity, another game engine. It does accept normal .Blend files. However, I'm not sure about Unreal engine. I would recommend .fbx as this is a sort of global file type for models like these.
Tom Beacock's user avatar
3 votes

How to Properly Import from Blender to Unreal 4?

This is just a warning, not an error. It's usually the case when UVs aren't unwrapped well; either there are overlapping UVs, or some UV's are backward. It will still work, and I haven't noticed any ...
Matt's user avatar
  • 11.1k
3 votes

How to enable auto smooth option for unreal engine?

You need to set the Smoothing to Face under Geometry when you export FBX.
Jackdaw's user avatar
  • 4,099
3 votes
Accepted

How to use root motion with inverse kinematics?

You can bake your action into a new action clearing all constarints, so the animation will act the same movements without the need of IK. To do so, select in pose mode all deforming bones, and go to ...
josh sanfelici's user avatar
3 votes

Weight paint different from Unreal Engine

It could be a normalization problem: in Blender if a vertex has a sum of weights different than 1.0, an automatic normalization gets applied, while probably UE uses another algorithm. Try to ...
josh sanfelici's user avatar
3 votes
Accepted

Rigify export animation while maintaining proper hierarchy

There are different solutions for this. People may tell you to just use the "Deform bones only" option in the FBX export settings. Unfortunately, it's not that simple. Non-deform bones that ...
CGDive's user avatar
  • 812
3 votes

Send to Unreal without having to re-assemble the model?

Its actually really simple. All you need to do is import the individual meshes, Ctrl+A select all the meshes, and then drag them all in as a group. Selecting everything first and then dragging in will ...
Gunty's user avatar
  • 1,410
2 votes
Accepted

How to export multiple animations for a game character? (specifically, Unity)

NOTE: for ue4 what i do is i put every animation in its own action and then set the anim player equal to whatever the keyframing is for that specific anim. i then export it as fbx using selected only ...
Matthew Holmes's user avatar
2 votes

Best output file format for 3D model to Unreal engine 4

The best output format is the one recommended by the game developer. There is nothing from the Blender foundation that would affect use for commercial purposes, but elements of the game may be covered ...
brasshat's user avatar
  • 5,446
2 votes

Most efficient way to apply textures to a model (Game Dev)

Those two workflows you describe are not alternatives to the same end. Baking is generally used to achieve effects that are either too complex, too expensive or unnecessary to be calculated in real ...
Duarte Farrajota Ramos's user avatar
2 votes

How would I go about rigging this model?

You certainly can join all the separate parts into one mesh, and still have it rigged properly. Just make sure all vertices in the vertex groups all have a weight of either one or zero. you don't ...
David's user avatar
  • 49.3k
2 votes

How to export fluid animation 100% prebaked and import to UE4

In my case the following method helped: https://youtu.be/ZtWWHLHXWq4 Note: They only started supporting alembic files in both unity and blender in the recent months. Blender needs to be 2.81 and ...
Meredith Lynch's user avatar
2 votes
Accepted

Using just Blender to make cloth assets on a model in UE4?

I'll comment since I've figured this out, in case someone else is as clueless as I was. So, I modeled each part of the object, IE the dagger and the cloth. IN BLENDER, I gave the cloth and the dagger ...
Cody38's user avatar
  • 55
2 votes

How to enable auto smooth option for unreal engine?

Ok so i got a couple of solutions for that because i had the same problem, and it was really hard information about it and i want to contribute with more people using blender. So here we go. (this are ...
Alvaro Hernandez's user avatar
2 votes

How to Bake High Poly Object Details (Shape) to the low poly object?

From experience, I and others will tell you that normal maps work best for details like bumps and crevices. They work very poorly--are unsuitable--for baking a "high poly mesh" whose ...
hatinacat2000's user avatar

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