Blender is an open source 3D modelling software with built-in game engine, Bullet physics engine and fluid animation engine. Questions involving issues with Blender itself should be posted on the relevant Stack Exchange site, Blender.SE.

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Blender For Game Development, Pros And Cons [closed]

Blender is one of those applications that you either love or hate. I know it is great for 3D modeling and and animations and there is a lot said about the UI and its steep learning curve. I am more ...
14
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1answer
3k 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 ...
12
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4answers
9k views

How to load 3D models into Java?

Using LWJGL what is the easiest way to load a 3D model to be drawn on screen? I know LWJGL doesn't have built in loading support so I am looking for a small library that would help to load ...
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2answers
2k views

Export Blender 2.59 models with animations to XNA 4

Whats the best way to export from Blender 2.59 for XNA 4? I have heard you can use the DirectX to export to .x instead of .fbx which works better with animations? Unfortunately all the tutorials out ...
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3answers
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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 ...
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2answers
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Blender - baking normal map - weird colors

I have a metal drum mesh, and when I bake its normal map, I get the weird colors (see attached pic). I'm talking about the horizontal gradient shift of color. There's no deformation like that on my ...
9
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2answers
334 views

What are the disadvantages of marking every edge as a seam when unwrapping a mesh?

I'm a programmer who's trying to learn a little basic 3D modelling. I'm reasonably comfortable with basic geometry modelling, and can unwrap and texture simple models. But I have a question... When ...
9
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2answers
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Rendering characters, with cut off limbs (Blender models in Java/OpenGL)

What aspects should I take into consideration for creating character animation and rendering classes if I want to be able to have detachable limbs? I've developed a detailed body system that can have ...
9
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4answers
648 views

Are there any good screencasts for learning Blender?

Anyone know any site that provides good screencasts or videos about learning Blender?
7
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3answers
383 views

Why doesn't light continuous on my model?

I created a basic textured cube model with Blender to practice modeling, and then I imported it into Unity. After I put up some lighting it looks pretty ugly. The light is not continuous on a row of ...
7
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3answers
7k 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
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2answers
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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
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3answers
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Left-Hand and Right-Hand Coordinate Systems

In Blender and other 3D modeling tools, the coordinate system is right-handed, while in Unity 3D and Orbiter Space Flight Simulator, they are left-handed, why this could happen? Why they don't simply ...
6
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1answer
7k views

Blender - exporting .obj with texture coords

I'm writing a game which uses obj files. I created an object in blender and I applied texture without UV coordinates and my question is: how to export this object to obj file, but with texture ...
6
votes
5answers
4k 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 ...
6
votes
2answers
1k views

Animation Workflow from Blender to Mecanim in Unity 3d

I've recently started learning Unity and one of the things that's really really slowing me down is not being able to add custom animations to the standard FBX's you get from unity's app store. When I ...
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2answers
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Sketchup for modelling, Blender for lightmaps, rendering in Xna Reach profile?

This question moved from http://stackoverflow.com/questions/4319183/sketchup-for-modelling-blender-for-lightmaps-rendering-in-xna-reach-profile Hello. I'm a programmer looking to add some 3D assets ...
6
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1answer
1k views

How can I get my meshes to work with Bullet Physics?

The problem is that I'm trying to use my meshes with Bullet Physics for the collision part of my game. When I attempted doing this method with my GLM(model loading library by nate robins) model, I ...
5
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2answers
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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, ...
5
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1answer
8k 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 ...
5
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3answers
4k views

How do I fix this weird lighting problem?

I'm making a small game in Unity, and some models are displaying very ugly shading. The shading usually looks funky along the edges between triangles. I'm pretty new to working in 3D; I bet this is ...
5
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1answer
3k 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 ...
5
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1answer
411 views

Why are my animated objects (from Blender) always playing at the global origin in Unity?

I created and animated a sledgehammer in Blender 2.67b using an armature. The sledgehammer has one animation (created using the Action Editor) called "Idle". I parented the imported sledgehammer to an ...
5
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1answer
241 views

Animation of moving circle by square's outer surface

I want to make this animation in OpenGL, here I attached a simple gif how I want it to looks like: Main problem is that I can not figure out how to move by corner - circle should smoothly move by ...
5
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1answer
424 views

apply non-hierarchial transforms to hierarchial skeleton?

I use Blender3D, but the answer might not API-exclusive. I have some matrices I need to assign to PoseBones. The resulting pose looks fine when there is no bone hierarchy (parenting) and messed up ...
4
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2answers
843 views

Replacing a custom 3D model format with something more standard

This is long, so the short question is: What's the best/right/standard set of technologies for creating 3D models and incorporating them into a game such that the complexity for the artist is kept to ...
4
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1answer
3k 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 ...
4
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1answer
3k views

How can I see the height of an object within Blender?

I'm fairly new to Blender. I know there is the "Transform" section in the Object menu of the Properties tab, which contains Location/Rotation/Scale of a selected object. What I'd like to know is if ...
4
votes
1answer
935 views

Can't export Blender model for use in jMonkeyEngine SDK

I have a scene rendered in blender called "civ1.blend" which contains multiple materials (for example, I have one called "white"). I want to use this model in jMonkeyEngine, so I used the OGRE ...
4
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2answers
2k views

Recommended method for XML level loading in XNA

I want to use Blender as my level designer tool for an XNA game. Using an existing plugin, I can export my levels to DotScene format which is basically an xml file like this one: <scene ...
4
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2answers
2k views

What should I do to get my Blender models into my iOS game?

I am working on a 3D OpenGL|ES game for iPad. All the models are created in Blender. How should I go about getting my models into my game? I have the following requirements of my models: One ...
3
votes
2answers
4k 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) ...
3
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2answers
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How to animate a model in WebGL?

I created a human model in Blender, exported the vertices and indices into a JSON file and render the model in a browser using WebGL. Now I created a walk and jump animation in Blender and would like ...
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3answers
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How do I export my Blender model to OGRE XML format for jMonkeyEngine 3?

I'm an amateur software engineer with several simple 2D-game projects under my belt. I'v recently turned my attention towards creating a basic 3D game, nothing too fancy, just to get a grip on things. ...
3
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1answer
1k views

how large should a map be in blender

I'm learning blender and am wondering what size(blender units) I should be making my characters and maps. should i consider 1 blender unit as 1 inch, foot, meter or does it not not matter?
3
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1answer
566 views

Blender Object Appearing Gray when all Lights are Off

I have an issue with Blender where, when I turn my only light off (a sun lamp) and render the image my object appears gray rather than black (and thus, not appear to the camera). I can't figure out ...
3
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1answer
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How can I load .FBX files?

I am looking into options for the model assets for my game. I have gotten pretty good with Blender, and want to use C++/DirectX9 (don't need all the excess from 10+), but Blender 2.6 exports .fbx not ...
3
votes
3answers
670 views

What is the simplest way to export a bezier curve created in Blender to a text file?

I have created a bezier curve in Blender. I'd like to export this curve to a text file. What I need is : Control point + handles, three points in total. Example : {{ 2.3333,4.3942, 55.333 }, { ...
3
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2answers
1k 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 ...
3
votes
2answers
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Blender: How to merge two faces?

Initial Situation Using Blender 2.6, I often come to the same problematic setting: There are two faces on one straight line. My Aim I want to keep just one of the two selected faces, which you ...
3
votes
2answers
587 views

Is there a plugin to integrate Face FX with Blender?

Is there a plugin to integrate Face FX with Blender? I only see plugins for Maya, Max, SoftImage, and MotionBuilder on the Face FX website.
3
votes
1answer
850 views

Can't move bone on blender. “Location” transform grayed out

I'm trying to move a bone on Blender. I can't do anything with it at all. I've searched through the menus and noticed the Location transform is grayed out.
3
votes
1answer
230 views

How can I generate a 3d model via a series of transforms?

Is it possible to generate 3D models using some sort of object transformation (like it's shown here), using PovRay or any other tool, and import them into Blender / Unity? For example starting with a ...
3
votes
1answer
1k 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 ...
3
votes
1answer
974 views

How to import character from Blender to Unity?

I am trying to import a character into Unity from Blender. I exported the model (which has actions/animations) from Blender as a FBX file and dropped in into my Unity project’s Assets folder. The ...
3
votes
1answer
990 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 ...
3
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1answer
283 views

how to change the number of rendered frames in Blender

i´m using blender to render an animation in single pictures and i want to make an 16 frames animation out of an 24 frames one without changing the set keyframes. Is there an option to skip every 3rd ...
3
votes
2answers
549 views

Need to produce an animated texture of Water where each image tiles in all directions

I need to produce a 2D 'animated' texture of "water" for a game in which each image tiles in 'all' directions, much like those produced by the Caustics Generator, but with the power and flexibility of ...
3
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1answer
2k views

Issue with Mapping Textures to Models in Blender

I've been trying to texture a model using Blender, but when I draw on the UV Editor it doesn't show up on the model, and I can't draw on the model itself. I've tried saving the image and the 3D View ...
3
votes
2answers
352 views

Crystal Transparency(Shadows)

I'm having a really hard time getting the shadows the become transparent. I've looked online and followed tutorials, but it's not working(See Below). It may be a little difficult to see so you ...