Questions tagged [blender]

Questions about the use of Blender, the open source 3D modelling software, in the context of game development. Questions involving issues strictly with Blender itself (e.g. modeling) are off-topic here and must be posted on the relevant Stack Exchange site, Blender.SE.

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18 views

How to import files with texture in Blender?

I downloaded a Blender model from Google and it came with two folders: a "source" folder where is located the .blend file and a "textures" folder with all the image textures. ...
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Why is my blender 2D ring so pixelated when imported into Unity?

I created a simple ring in blender, yet when I import it into Unity it is horribly pixelated and choppy looking. I want the ring to look perfectly smooth. In blender, I selected the "shade ...
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1answer
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Importing checker texture from blender 2.93 to unity 2020.3

I have a checker texture made in a blender 2.93 which is created in such a way, Material properties - new material - and on that material, using two texture images and adding a checker texture node ...
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21 views

Why is Unity applying different settings to an object copied from another?

I am trying to create some turrets, I have my Blender model which I import into Unity just fine. This model is a double turret with identical turret models for top and bottom. I have to apply a -90Z ...
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1answer
25 views

Blender loop cut over multiple objects

I have a following object in scene which consists of multiple faces (the orange selected ones). As you can see from the scene collection tool it's actually multiple objects selected at once. I would ...
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12 views

Computing global rotation of a bone

Assume that i have the following armature: Root Leg Knee Foot I have created a simple animation that rotates the Foot bone and then exported it to the ...
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Using FBX Exporter messes up materials of VRM?

I am trying to export a VRM into an FBX to edit in Blender. To do this, I have installed UniVRM to import the VRM, and FBXExporter to export it as an FBX. This almost works great. However, I have an ...
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How to take opacity animation from Blender into Unreal blueprints?

Like the GIF above, I made Skeleton Anim and Material Opacity Anim in the DCC tool. However, FBX file format doesn't support opacity anim, so I have the task of rebuilding opacity anim in the UE. To ...
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Two neighbouring wall sprites have visible connecting egdes (generated in Blender)

I use Blender to model walls. I render 2d sprites of these walls in a (gaming) isometric perspective. My problem pertains to the "edges" of the 3d wall: On both left and right ends of the ...
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28 views

How to debug UVs exported straight from Blender

I have a model in Blender 2.93. I am exporting it to JSON using landon I am then importing the JSON into a WebGL rendering layer and feeding directly to shaders The JSON UV export is an array of ...
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Why Generic Rigs won't matching? ( Unity )

1 part - Blender I made a character with animations in Blender. When importing in Unity, I decided to split the Armature and the Model into different FBX files. This is how we get 2 files: ...
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Unity - Arm goes backwards instead of back down when blending animations?

I'm putting together an animation tree which is layered, and it seems to get between two animation states it blends the arm backwards over the top of the head rather than back down. Is there anyway to ...
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Unity - How to export equipment properly from Blender?

I'm trying to work out the Blender-to-Unity workflow for equipable items. At the moment, I've got a character animated for running, idling, jumping, etc. Now, I want to add equipment for him. I ...
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Unity is smoothing my low poly models, how do I control this?

I started a new universal pipeline project and have modelled a really quick low poly character in blender. It stays quite blocky in blender, but when dropped into the unity project its really highly ...
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21 views

Using generic animations with different weapons in Unity/Blender

Working on a game in which players can upgrade their weapons. I've animated a character to hold a weapon, but I don't want to create a unique animation for each weapon. How do I create a relationship ...
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15 views

How to combine and export multiple NLA tracks of 2 armatures (Blender) to Unity?

As per first experience I created multiple tracks (and also "added" more animation to first tracks thinking I edit them but instead I just created more tracks for same animations) for 2 ...
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1answer
60 views

UVs Distored When Importing Mesh?

The first image shown below is of part of my mesh in Blender, and the second is of that same part of the mesh in UE4. For whatever reason, the UVs are distorted and glitchy once imported into UE4. I'...
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24 views

how to change a 3D character and other assets in-game

I want to make a game in which the 3D character is customizable. For example, there will be a selection of clothes that the character can wear, and when the player clicks on one of them, the character ...
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21 views

USDZ horizontal plane position wrong

I'm exporting an object from Blender to an FBX (or GLTF/GLB) file to then convert it in Reality Converter. Inside there, everything looks good, all animations work and the object is positioned on 0 0 ...
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1answer
512 views

How do I convert a voxel model to a low-poly mesh with texture mapping that accurately mimics the coloured voxels?

I've created a model in MagicaVoxel (A) and I want to use it in Godot. I imported the model into Blender, but then realized that it's using a very high polygon count for such a simple model. I found ...
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43 views

How can I recreate a material from blender in Unreal engine

I'm new to unreal and I am having trouble finding a way to reproduce the materials for a mesh in blender in unreal. It's a simple material but I can't find a way to reproduce the color ramp ...
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1answer
17 views

Parts of the FBX getting flipped upon import from Blender to Unity

I am trying to import a race track into unity, which I have modeled in blender. The problem is some objects of the model are getting flipped, to be specific all the curbs on the sides of the race ...
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1answer
26 views

How to detect all vertices within collision Area?

Using collision detection algorithms such as MPR (Minkowski Portal Refinement), GJK (Gilbert–Johnson–Keerthi distance algorithm), you can calculate the penetration depth in the collision. For 2 mesh ...
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28 views

"The mesh of Body.003 has 1 sub meshes but the renderer is using 4 materials. Your mesh should use the same amount of sub meshes as materials."

I'm trying to import a Mesh (VRChat avatar) from Blender into Unity. This mesh which is failing to import properly into Unity is separated in Blender as Head, Hair, Body. It looks great in Blender but ...
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Pink Objects/Sub-Meshes (NOT MATERIALS)

Using URP. Any object I import into unity from blender (fbx), the sub-mesh that comes with it are pink. All the materials are fine, I can put the object in my scene with a material and it looks normal....
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38 views

What settings should the Root bone have in Blender for Unity?

What orientation should the root bone have in Blender to behave correctly in Unity when using the Root Move?
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1answer
79 views

Putting a material on a fractured model

I have a square model that has been fractured using blender's cell fracture. I also have a material that I want to apply onto the broken pieces. The only problem is that the material needs to be ...
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101 views

How to fix this elbow issue when converting to humanoid

Good day, how can I fix this? it looks fine in Blender and generic but not when I switch to humanoid. There is no error on rig tab but there are in animation tab under the import message that say &...
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41 views

Why does Unity show dark regions on a model with animation created using Blender?

I sculpted a model in blender, and I want to import that to Unity. When I import just the model(without animation), Unity shows as is. However, when I attach armature to the body and automatically ...
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41 views

How to model walkable houses for Unity

I created a house in blender which is a big cube with the upper face intended and pulled down back to the ground. The floors are other boxes and windows and doors are cut out using a boolean modifier. ...
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22 views

how can i create a snake with a single piece look

I want to create a 3d snake with a single piece look, i have tried separate head and body parts following each other with Vector3.SmoothDamp but some quaternion issues occurred (when y axis >90, ...
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14 views

I imported a blend file into unity which contained 3 animations but I can only see one [Unity] and I need three

I can only see one in unity: But there are three in blender: I thank thee answers.
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1answer
79 views

Problem importing Blender materials into Unity via FBX

I've created a simply low poly house in Blender (2.92) that I have imported into Unity as an FBX. Materials (simple colours) are all set up in Blender. Initially this was all working fine. Colours all ...
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54 views

Moving walkway in Three.js - pathfinding algo or vector math ala Nature of Code?

I am trying to develop a moving walkway for a 3D virtual space made in Three.js (link here). Right now guests navigate using WASD or the arrow keys and the mouse to look around. My goal is to have ...
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37 views

Why isn't the texture correctly loading onto sphere?

I am trying to make a moon object. I have a (mostly) spherical object model that I want to place the moon texture on top of. The moon texture is an equirectangular projection as seen below. However, ...
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15 views

Play animations from the same blender file separately in unity

I am making a building in blender to use in unity. The building has 2 different doors with different armatures. They also have their own opening animation. I want to play one door animation at a time ...
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1answer
76 views

Part of model in Unity is inside out but not in Blender?

I've downloaded this asset and it looks perfectly fine in preview, and even in blender. But when I import it in Unity, one of its shoulder is inside out, even after making all faces double sided. I ...
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19 views

Attempting to create LOD variations of unity prefab

Hey guys I am attempting to make some LOD variants of my prefab and am getting a strange result. I am using unity fbx exporter and blender version 2.80.7. Here is the model before and after but even ...
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23 views

Open world style chunking algorithm help with chunk placement

Hey I have this chunking algorithm I am writing and I cant for the life of me figure out how to place the chunks so they are aligned with each other as if they were in a constant grid. The issue ...
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1answer
49 views

How to see real world size in blender

I want to make a .stl file to be 3d printed through blender, but I don't know how I would see the real size. Does anyone have any solutions? Also, if you turn on smooth shading, will it actually be ...
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22 views

Best Practices for Random Enemy Animations?

For various animations for NPCs (getting hit with projectiles, shooting, dying) I've been creating 2-4 animations each in blender before exporting. Should I be doing this inside Unity with Animation ...
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1answer
91 views

How to edit a Rigged 3D Model without Ruining the Rig?

I have some rigged 3D models that I want to use. They came as .fbx. and sometimes I want to make some minor edits such as merging/moving/removing some vertices or something of that nature. The Problem:...
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Attempting to remove extra "edges" from truncated icosahedron lead to excessively global concequences

I need a truncated icosahedron. Blender lets me do that with add -> mesh -> math function -> regular solid (assuming the extra plugin is installed.) So far so good. However, the mesh that ...
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2answers
43 views

Exported FBX to Monogame doesn't translate all meshes

I'm taking a crack at a minecraft clone in Monogame, and I am trying to get my model to render as it's shown in Blender 2.9.1. When I look at the model in Blender, it looks great. When displaying in ...
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1answer
239 views

Reconciling rotations with Unity and Blender (-360,360)

I'm currently working with Oculus integration trying to export headset (and eventually controller) position and rotation data to a CSV for later use in Blender. My issue comes from the way Unity (or ...
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1answer
266 views

Humanoid Rig Animations Not Playing Properly

Although I have seen a few questions that are similar to my own, none had specific or clear answers that actually solved the problem, so here I am. Just recently, I have imported a rig from Blender ...
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1answer
144 views

Correcting imported animation to avoid hand going through the face of character

I've imported an animation from Mixamo called standing draw bow. When I use it with my character in Unity the hand goes through the face of my character. Is there a way to move hand a little outside ...
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1answer
69 views

Rigged blender model is deformed when imported into Unity

I am facing a strange problem with a model I rigged in Blender. Everything in Blender seems fine: All scales and rotations are normalized There is no unassigned vertex There is no weight bleeding ...
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144 views

How would I edit .anim files in Blender?

I absolutely cannot stand animating in Unity. I am making an FPS game with many weapons, and each weapon has four animations: running, jumping, aiming, and shooting. I would like to create a .anim ...
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650 views

FBX Import Errors: "Multiple roots are found in the bone hierarchy"

I followed these steps: I exported my character from Blender as an fbx file I went to Unreal Engine and make a new folder I paste the fbx file in that folder I put and tried to put it with a ...

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