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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17 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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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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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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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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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
237 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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28 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
13 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
21 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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23 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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14 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
72 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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49 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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37 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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35 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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21 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
61 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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31 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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33 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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12 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
47 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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20 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
41 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
32 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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15 views

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
36 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
186 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
130 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
42 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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95 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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404 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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1answer
85 views

How can the player open this door and have its collision physics stay in sync?

I just finished modeling a scene in Blender like this: Now I'm animating and creating interactions between the player and the objects inside the house. When I reached the doors, I started having ...
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23 views

Blender->Unity Import Animation Failing by Overlapping Mesh Objects

I'm new to both Unity and Blender. I created this penguin 3d model, rigged it up and animated it in Blender and all looked good. When I imported it into Unity, I noticed that this idle animation did ...
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17 views

Unity - Mesh importing as child of armature

I'm following along with this tutorial by Sebastian Lague: https://www.youtube.com/watch?v=yhPRkihs-Yg&list=PLFt_AvWsXl0f4c56CbvYi038zmCmoZ4CQ&index=14 However, when I import my character from ...
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14 views

UNITY : passing metalic map from Blender to Unity automatically?

I have .blend file contains very basic material shader structure (no fancy nodes), just add some textures (diffuse, normal, roughness, metallic etc) . When i imported the .blend file as prefab in ...
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99 views

Blender to Unity weight painting doesn't carry over nicely

How to get Blender weight painting to work smoothly in Unity? Here's my workflow: -Do weight painting in Blender. -Do animations in Blender. -Export FBX. -Import in Unity -Set avatar to humanoid(bones ...
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38 views

Blender: Bones get enlarged in export/import process

I have a rig in blender that I want to export into a different blender project. For some reason, when I do that, some of the bones get enlarged. All the scales are applied. Why might this be happening?...
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34 views

How to export character from Zbrush to Blender?

Zbrush displays only 1 format (zpr), which Blender doesn’t accept((
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165 views

How to keep hands on weapon during scripted recoil?

I have a rapid fire weapon that I made in blender, along with a FPS mesh and rig. I'm currently at the stage when I'm creating animations (idle, aim, etc), and had this question: Should recoil be an ...
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3answers
873 views

Should recoil be an animation or script?

Should recoil for a rapid fire gun be be done through an animation or a script? I want the recoil to increase as I continuously fire, like a lot of FPS games do. I was initially considering achieving ...
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67 views

Unity - FBX Materials Import as Gray

I'm attempting to import an FBX model from Blender into Unity, but the materials' textures aren't coming with it. I've made sure to name all my materials the same as the associated texture files and I'...
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1answer
31 views

Complex mesh (created in Blender) is not overlapping when rendered in Monogame (XNA)

community. Just started playing with Monogame and stuck with a quite simple, but still unanswered issue, at least I couldn't find any answer. The model rendered in Monogame (XNA) is not overlapping ...
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65 views

Blender animation's curled fingers are splayed-out when played in Unity

I have exported my character into Unity and all the animations came with it. At first, I thought I was good to go but then I made a jogging animation. In blender the hands are gripped like this: When ...
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36 views

Rigify to Unity converter stretches 3d model in blender

My 3d model animations works perfectly in blender. But whenever I use "Rigify to Unity Converter" add-on it stretches the mesh as if it was pinned at a certain point (T-pose hand and foot ...
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56 views

How to import Blender mesh+rig separately from animations for generic rigs in Unity?

Currently I'm creating mesh, rig and animations in Blender and export them together as an fbx file. I know that importing animations separately works for humanoid meshes, but how to do this for a ...
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29 views

Textures rotated 90 degrees when importing a .glb file

I have a simple box, textured with bricks, in Blender: I export this scene as glTF 2.0 and import into Godot. Here's the result: As you can see, the bricks are rotated 90 degrees for some reason. ...

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