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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158 views

Material slot is reversed in unity when importing .blend file?

I'm importing .blend file into unity. The file contains 9 separate objects. Now all objects have the same 2 materials assigned. When importing in unity one object's material slot is reversed. But in ...
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79 views

How can I optimise my game and its game objects?

I have a 3D game in Unity and I use blender to design models for it. My game has a feature where if you click a button, an object is cloned. An example from my game is a tree that is cloned around 100 ...
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1answer
367 views

HLSL equivilant to "Object" data from "Texture Coordinate" node in Blender

I mocked up a shader how I wanted it with the node editor in Blender. Now I'm trying to write it in HLSL. In Blender there is a node group called "Texture Coordinate". If I use the "uv" node from the ...
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44 views

Collision detection not working on some parts of mesh

Racing game with a single mesh to act as a collider for all the track sides. Recently revised the mesh and now it is behaving strangely. The player correctly collides (bounces off) some parts, on ...
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3answers
632 views

Unity importing Blender models with different orientations

All the models apart from 'Jungle Tree' are facing right which is not a problem, because they still seem to work with my game. But how can I change the 'Jungle Tree' to face right like the other ...
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1answer
68 views

Blender / Unity - Which one do I paint on? low poly or high poly

I created two versions of my object. One high poly and one low poly. I sculpted the high poly one and plan on baking a normal map so that my low poly one can have more detail. My question is, once ...
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44 views

Easily get several materials from different objects onto 1 UV map/material?

Im trying to improve performance, and I found an asset called https://forum.unity.com/threads/one-batch-combine-hundreds-of-materials-into-one-draw-call.555643/ that claims to do what I need - which ...
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1answer
350 views

Create context menu in Scene view

I created some MenuItemfunctions for navigating, which are currently displayed on the menu toolbar. The C# code: ...
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1answer
265 views

Unity: How do I get the coordinates of the vertices of a blender mesh?

I have gameobjects in my scene called icospheres that I have made in Blender, and I am trying to get the coordinates of their vertices. Below is an image of my scene; each triangle is a separate ...
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36 views

Export Blender materials to Unity3D

I have a low poly model that I made in Blender 2.8. Because it's low poly, it only has a material that's a mix between a diffuse and a glossy shader - it has no textures. The only thing I want to do ...
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1answer
285 views

How do I implement 3D A* Pathfinding in libgdx?

I am using BDX (Blender with libgdx engine) to create my game. I am not sure on how to implement 3D path finding using A* search. I looked into gdx-ai, but that is for 2D.
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73 views

Model mesh overlapping while animating in Unity but not in Blender

I made an FPS model in blender and created reload animation when I imported that model in Unity I saw that while the magazine ejecting from the rifle it overlapped some of the gun parts. Then I went ...
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322 views

Isometric character from 3D blender model

I am trying to make a character for an isometric game from a 3D model in Blender. I managed to create a simple humanoid model and implement an isometric camera, rotated by 60° on the x-axis and 45° on ...
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45 views

Can COLLADA be used for partial animations / animation blending?

I am making a game engine, using the COLLADA format for my models. Part of the requirement for my models is partial animations, for example if the model was a person, an animation could only affect ...
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1answer
211 views

Animations in Unity are not working properly

I've done a few animations in Blender for my 3D character but the problem is, that they look different in Unity. It seems like the eyes are moving too much. I tried to change many things in import ...
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2answers
152 views

Meshes exported from blender as .obj does not map correctly

I am having some problems with developing my game in OpenGL with java (Using LWJGL3). I have been following a guide for the more complex steps of the process, like loading meshes. When using the ...
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1answer
642 views

Blender How to unlock transform on bone

I was trying to create IK constraint following a Nathan Vegdahl tutorial, and everything was nice and shiny, until i tried to actually move a bone. It's not moving, only rotating. I see that transform ...
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0answers
56 views

Blender - Exporting and Replicating Bone Animation

I'm having trouble replicating Blender bone animation in my game. Bones that have a vertical rest position (Euler(PI / 2, 0, 0)) are animated correctly (e.g. head, neck, torso, legs, shins), however ...
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1answer
382 views

Tools or techniques for UV unwrapping/texturing terrain with features such as roads?

I'm trying to create a map similar to Outset island in Loz: Wind Waker. Here is an example of what I'm trying to create: As you can see, the roads more or less have dedicated tris. However, when I ...
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0answers
100 views

Bones are rotated wrong direction on play mode

I made animations from Blender and exported as FBX. However in Unity, default pose seems fine in edit mode. But in play mode, spine bones are rotated wrong direction: It's Humanoid type and each ...
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1answer
719 views

How can I reorder the order in which the vertices are in an .obj file?

Blender saves the files with the structure of All the vertices All the normals All the UV The game to which I want to import the model, only accepts the following order in structure 1 vertex 1 ...
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2answers
177 views

Adding large 3d models into Unity

I have a 3d model of a restraunt with several characters in it probably over a hundred objects. Whenever I try to import it into Unity Unity just loads forever until I force close it. How do you ...
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2answers
856 views

unity / blender -- positioning items / clothes on character

I'm aware that in Unity, when you want to add (e.g.) a weapon to a character, you parent it to the "hand" bone of the character etc... Well I'm trying to add a hat to a character in unity when it's ...
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1answer
34 views

3D Character Animation Effects

I'm using blender for the 3d stuff and am trying to make game effects for the character I made, I am using unity. I am not really familiar with creating game visual effects but I do know how to make ...
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1answer
312 views

Blender to Unreal Material workflow....?

I'm new to game development and the Unreal Engine and I have a general question. I model my objects in Blender and import them into Unreal Engine. My question is, is it better to create and apply ...
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1answer
124 views

Working in large play-area maps, what are the performance and practical differences between Unreal Terrain and a subdivided OBJ mesh terrain?

I've managed to reliably use SRTM Geotiff Raster Data with some modifications to create decent terrains in unreal, but there is a small problem with how I go about city-building when I'm not using the ...
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0answers
416 views

Prevent keyframe interpolation in imported model animation in Unity

I made first person model in blender. It also has animations in it. Most of animation works fine, but in some cases, Unity's keyframe interpolation makes wrong result. Note that animation was made ...
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1answer
292 views

OpenGL is not drawing model with more than one material

I have model created in Blender that have 3 UV Maps, 3 materials and each material has texture. Below you can see it. Also I have OpenGL application that draw this model. Application is working ...
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2answers
101 views

why is my mesh black in blender even though the color is set to white

I set my mesh black then wanted to set it back to white but can't. How do i do it ?
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1answer
834 views

Exporting a simple mesh from Blender for reading in Assimp

I'm trying to create some simple assets for using in my rendering engine. What I'm trying to do is to generate simple low poly models and then importing them into my application using Assimp. I can ...
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2answers
1k views

How to set default pose of model from Blender? (Exported as FBX)

I have a model that has lots of animation clips(actions). Before export as FBX, I set the pose to named "default" pose and exported as FBX like this. But in Unity, it's changed to first animation ...
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1answer
33 views

Is it possible to make an obj with single triangle

I am not good in using blender so i wanted to ask if it is possible to make an object with just one triangle and how would it look like, will the no of triangle increase if you scale it up.
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0answers
54 views

Weird texture applied

So I applied the baked texture (on the right side of screen shot) but it shows in this manner. What is the problem? I made the model in Blender and also the baked image. The house consists of ...
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1answer
511 views

Creating single texture for all materials in substance painter with ID map. ID map doesn't bake properly

I am trying to create single texture for multiple materials in substance painter according to this tutorial. https://www.youtube.com/watch?v=HMP2xpGHimY I have two models made in Blender. One with ...
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1answer
50 views

What causes the difference between these boxes?

I have recently started using Blender and I notice that the light (from my game) on default box is different from the one I downloaded. The below picture shows that. They have the same normal ...
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1answer
3k views

How can I apply a mesh collider in Unity to an entire imported model rather than a single piece?

I have a series of models from Blender I'm importing to Unity as .blend files and I need mesh colliders applied to each one. What I'm finding is that with any model that is constructed of multiple ...
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1answer
121 views

Which size do I need to use in Blender to import to Unity

I want to create a cube with different textures in Blender. But if I import the model to Unity 2017 the cube has not the same size as a cube with scale x,y and z = 1 from Unity's default components. ...
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2answers
284 views

Mip map artifacts

I have created a texture in Blender in texture paint mode. Then I have started to add some details for side and corner texture. They are primarily height maps. I had some minor pixels being a ...
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1answer
75 views

Where to start in a project after the design phase? [closed]

I want to start a new project but I'm a beginner. I already have most of the ideas in terms of gameplay, lore,... I have written pages of notes and concepts about the game. Basically, I know most of ...
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1answer
2k views

Texture upside down

I'm making a top down 3d game. I made a model in blender, uv unwrapped it, and made a texture for it. Texture in blender from the top: I saved the model as a .blend file and the texture as a png. I ...
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1answer
366 views

How do I shade / model low poly smooth surfaces that come to sharp edges?

Consider this model of a tank turret: The following model has smooth, round surfaces that meet at sharp corners. This is achieved with a high number of subdivisions and marking certain edges as sharp ...
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2answers
106 views

Using Jpegs as backgrounds

I am working on a project where I need to add rendered text over a jpeg background image. I have my scene completely set up but when I render all I get is the text, there is no background image. The ...
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1answer
349 views

Blender Animations glitchy in Unity

I have created a gorilla and its animations in Blender, exported the file as an FBX file and then imported it in Unity. The animations works fine in Blender, the loop is perfect for the walking ...
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1answer
91 views

How to export from Blender to unity3d

I have a simple object created from PLANE, in BLENDER version 2.72, where I edged the edges to the height. How do I correctly export the model to Unity3d I have version 4.7 to make all walls visible? ...
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1answer
1k views

Unity - Blend tree weird transition

I have duplicated the blend tree from the ThirdPersonCharacter (Ethan) which comes with the Standard Assets package. In the duplicate I went into the blend tree and swapped out the walk animation "...
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1answer
437 views

Unity3d mesh is getting distorted while animation

I attached boxing glove to rig using this method https://stackoverflow.com/questions/34719718/transferring-rig-weights-from-one-mesh-to-another-in-blender-2-76 It works fine in the blender, But while ...
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2answers
137 views

How can I create and load models with additional information?

I want to create game similar to original DOOM in Unity (using 2017.2). I'd like to make it possible to load entire levels from file, but I don't really want to write my own level editor that would ...
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1answer
1k views

Unity: Texture huge areas with decals

I'm using 1024 textures for smaller buildings and 2048 for larger one's. Basic workflow: 1) Unwrap in Blender 2) Smack a concrete texture on it 3) paint some dirt here and there. Result: This ...
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1answer
39 views

Animation loop finishes in 8 meters at 17 frames, how fast is it going?

So I made this model in Blender and synced its walk cycle using an animated path that was 8 meters long at 17 frames. But I don't know how to sync it when moving the model using a rigidbody.
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1answer
154 views

How to make a merge animation in Unity?

I've seen a merge animation in a mobile game which you can check here; https://youtu.be/G7l24Wtdcxw You can observe the animation when the tiles combine. Can it be done in Unity3d, may be using ...

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