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.

Filter by
Sorted by
Tagged with
6
votes
1answer
10k views

How do I find rotation in 3D based on a vector/normal?

I've been playing with Blender and Python, doing basic things like accessing vertices/normals,etc. I can get the normal of each face of a mesh. I was wondering, how can I get the rotation of a face ...
11
votes
3answers
10k views

Exporting Blender bones

I wrote an exporter for blender models that works great for meshes. I'm attempting to extend that to bones defined in blender. However I haven't found good information for exporting bone data. How can ...
7
votes
2answers
12k views

How can I prevent seams from showing up on objects using lower mipmap levels?

Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you. I made a simple Blender model, ...
3
votes
1answer
2k views

Fitting a cap for a hollow object in blender

I have a thin-walled hollow object that I made by extruding a closed path that formed an outline. So the objecft is like a hollow pipe with a 1mm-thick wall (but the cross-section isn't a simple ...
31
votes
2answers
303k views

How to merge two objects in Blender

What I've Done I created a Cube object with Subdivision Surface modifier in order to model a spehere. I created a cuboid object looking like a angled, longish baton. What I Want to Do I want to ...
21
votes
3answers
6k views

How can I create a stretchy, breakable pizza cheese material?

I want to create realistic pizza and allow user interact with it. What I want: What I created: I created model of the pizza (8 pieces) in Blender, then imported it into Unity. The piece of pizza ...
14
votes
1answer
4k views

How do you add equipment to a 3D character model using XNA/Blender?

I've watched quite a few Blender tutorials, but I have yet to see examples of how to swap out sub-models. So my question is, how do you swap out equipment on a character model? Specifically I’d like ...
28
votes
4answers
62k views

How can I include vertex color information in .OBJ files?

The .obj files I export are missing data for vertex colors. Is there a way to include color information in the .obj file? If not, what are the alternatives?
7
votes
2answers
4k views

Blender multiple animations and Collada export

Say I have a simple mesh in Blender, with two keyframes, like so: Then, another animation for the same mesh, also with two keyframes: Theese animations worke fine in Blender and I can switch between ...
10
votes
5answers
18k views

Changing coordinate system from Z-up to Y-up

Blender's coordinate system is different from what I'm used to, in that Z points upwards instead of Y. What would be the simplest way of converting all the world data (so that all animations, texture ...
4
votes
3answers
4k views

Why even use shaders?

assuming I want my game to have a Cel-shaded look. There are plenty of tutorials how to implement Cel-shading in hlsl f.e. But what is the point? If I am creating my assets with Blender or 3d-max I ...
8
votes
2answers
3k views

How do I apply skeletal animation from a .x (Direct X) file?

Using the .x format to export a model from Blender, I can load a mesh, armature and animation. I have no problems generating the mesh and viewing models in game. Additionally, I have animations and ...
6
votes
2answers
14k views

Is it possible to export a simulation (animation) from Blender to Unity?

I created an explosion animation within Blender, something as shown in this video. To achieve this I used a particle-system, together with the "Explode" modifier. This kind of animation (simulation) ...
6
votes
1answer
2k views

exporting bind and keyframe bone poses from blender to use in OpenGL

EDIT: I decided to reformulate the question in much simpler terms to see if someone can give me a hand with this. Basically, I'm exporting meshes, skeletons and actions from blender into an engine ...
5
votes
1answer
866 views

importing animations in Blender, weird rotations/locations

This is for the Blender 2.6 API. There are two problems: 1. When I import a single animation frame from my animation file to Blender, all bones look fine. But when I import multiple (all of the ...
1
vote
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 ...
5
votes
1answer
5k views

How to correctly export UV coordinates from Blender

Alright, so I'm just now getting around to texturing some assets. After much trial and error I feel I'm pretty good at UV unwrapping now and my work looks good in Blender. However, either I'm using ...
3
votes
1answer
3k views

Create bullet physics rigid body along the vertices of a blender model

I am working on my first 3D game, for iphone, and I am using Blender to create models, Cocos3D game engine and Bullet for physics simulation. I am trying to learn the use of physics engine. What I ...
2
votes
3answers
1k 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 ...
1
vote
0answers
107 views

Blender 2.6: UV-Matching on Non-Image-Textures

Situation: I want to model a piece of wood in Blender (2.63.0). In order to do this I use a set of Noise and Clouds textures on ...
0
votes
2answers
1k views

getting bone base and tip positions from a transform matrix?

I need this for a Blender3d script, but you don't really need to know Blender to answer this. I need to get bone head and tip positions from a transform matrix read from a file. The position of base ...
0
votes
0answers
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, ...
0
votes
1answer
37 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 ...
0
votes
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 ...