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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How do I make 3d terrain maps [on hold]

How do I make 3d maps like this: http://i.epvpimg.com/thNdc.jpg ? Most of the map will be made out of the bricks but from time to time I want different brick colors, and from time to time I want to ...
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15 views

Blender games on TV platforms [closed]

I am interested in putting blender games on tv platforms such as OUYA and Amazon Fire Tv. I'm not quite sure how to port blender games to these type of platforms, the only platform I know you can put ...
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0answers
36 views

Relative Transformations for Bones

I'm using Blender to export my armatures in relative coordinates, and I'm trying to get to absolute coordinates in my engine. For the above example, the childBone's tip is an offset of [-1,0,0], ...
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3answers
2k 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 ...
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1answer
55 views

Unity - Imported meshes from Blender always corrupt

I want to import a terrain mesh I made in Blender into Unity, however Unity seems to fail to load it correctly. What could be the reason behind this and how can I fix it?
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1answer
239 views

Unity: Why do my normals flip during an animation?

This problem boggles my mind. I have an animation running on a face object (imported from Blender). At a few points in the animation, the normals switch direction! It causes the mesh to blink. Of ...
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1answer
39 views

Find normal based on rotation?

Given the XYZ rotation of an object, e.g. (90,0,0), how can I find the object's normal assuming the object is pointing along it's local Z axis? In the above example the desired result is (0,1,0). ...
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1answer
85 views

Blender exported model has reduced quality in Unity when normals applied

I know this topic comes up a lot in forums, however I have spent the last 2 hours googling it and can not find a solution for my specific problem... I have exported this model from Blender, but when ...
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1answer
68 views

Transparent texture over colored polygon?

Let's say I have a cube with each face having a different colour. I want them all to look like brick walls, but I don't want to have to recreate the same brick texture for every colour. Is it ...
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1answer
275 views

How to approach in-game character creation system alike Sims [closed]

I would like to implement an in-game character creation similar to the Wii/Mii system or The Sims using Blender and Unity. In what ways is this possible, other than (or in conjunction with) using ...
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1answer
77 views

Blender animation to XNA distortion bug

I followed the instructions on the following video: http://www.youtube.com/watch?v=SissgQ0IXvk I'm using XNA 4.0 and Blender 2.69 I export the model with animation to a .FBX file. The animation is ...
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63 views

Why isn't my Blender FBX not appearing in XNA?

I am trying to display a simple cube in XNA. The cube is the default Blender cube exported to a .fbx. Re-exporting the cube has had no effect. I have also varied the camera's z-distance from 5 to ...
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2answers
178 views

Normals in my skinned model are not animated

I have a blender skinned mode with animation. Normals look like they are messed up. This is how it looks in Unity3D before and after animation. As you can see, my model should be lit up just like ...
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2answers
143 views

How should I texture objects in Blender to use in Unity?

I need to model some things to use in Unity. How should I texture objects (road, tree, etc.) in Blender? I almost lost all textures when I exported and loaded them into Unity.
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2answers
116 views

Blender-to-Unity Animation Issue

I've been programming games for quite a few years now, but I recently thought I would try my hand at some simple 3D modeling and animation. I'm currently using Unity and Blender. In Blender, I was ...
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0answers
27 views

Trouble with Lightmaps When Meshes Intersect

I've been working on making lightmaps for a game on mobile devices (meaning that individual texture sizes cannot exceed 2048 and that file size needs to be as small as possible), but I'm running into ...
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0answers
199 views

Export Blender 3D animation to be played by Android OpenGLES

Below code snippet shows the way to export coordinate of bones: def export_bone_matrix(armature, bone, label, file_handler): SystemMatrix = Matrix.Scale(-1, 4, Vector((0, 0, 1))) * ...
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0answers
57 views

Unity import from blender missing action animation

I'm trying to import my .blend file into unity, but one of my animations never appears in Unity. That animation is "Fall", which is observable in Blender's "NLA Editor". I am currently exporting as an ...
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0answers
102 views

How to export blender coordinate to be used in Android OpenGLES

I'd like to create my personal light-weight Android 3D engine to show 3D animation configured by Blender. I have successfully loaded the Blender-created 3D models by OpenGL ES on Android. Now, I'd ...
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1answer
58 views

No animation clips in assets folder

I'm trying to import an FBX file made in Blender into Unity so I can use the actions created in Blender in a Unity animation state machine. A lot of sites seem to suggest that simply dropping the FBX ...
3
votes
1answer
197 views

Multiple weapons for android game

I am trying to make a 3D game for android using the Rajawali engine to render the 3D graphics and blender for designing my models(exporting as .md2), and I want my character to be able to change ...
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1answer
105 views

Textures selectively not applying in Unity

On certain imported objects (fbx) in Unity, upon applying a material, only the base colour of the material is applied, with none of the tiled texture showing. This isn't universal; on a test model ...
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1answer
289 views

Blender wont export textures (materials) to OGRE3D .mesh

i am exporting a model from BLENDER to OGRE3D using the blender2ogre script. the desigre output is a single .mesh file but i know there should be also materials scripts that i should copy to my ogre ...
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1answer
77 views

Missing colors in Collada export from Blender

I've noticed something strange in a Collada DAE export from Blender. I've assigned Diffuse BDSF colors to 4 faces of a cube as shown here: http://www.4shared.com/photo/_hM04zywba/blendcube.html It ...
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2answers
119 views

Importing .blend files into netbeans

How can we import blender models into netbeans for use? I have jmonkeyengine 3 installed for netbeans 7.3 but havent found any good tutorials on importing.
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1answer
48 views

Moving a rig by his bones correctly

I created a model and then tried to add armature. But when I'm moving the rig, some of it stays in the place (the mouth), and I don't know why. Anyone know why it could happen and how to fix it? This ...
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0answers
57 views

Animation of a 3D model's parts from code

I'm creating a game in XNA where will be an object called a tower. Its action can be described as two phases: aiming and firing. Here's a model I'm creating in Blender: I want the tower to have 3 ...
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2answers
157 views

Colors set in Blender not displayed in XNA

I'm trying to create a colored 3D model for my XNA game in Blender. I don't want to use textures - I need only solid colors. Here's the model, as seen in Blender: After exporting to FBX and opening ...
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0answers
68 views

Exporting .bullet file from Blender Render

I'm trying to export my blender render bullet world to a .bullet file. Unfortunately, it seems like when I bring my bullet world to the game engine it drops the bullet info. Is there a way to export ...
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0answers
210 views

Why does Assimp appear to be loading vertices in the incorrect order in this code?

I'm getting a weird bug in my code that is reading in the vertices from an .obj file. The .obj file is just a cube, hence there are eight vertices. When I print out the vector it seems to work ...
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2answers
162 views

What caused rotation in exported blender model to jMonkey? (OGRE)

First off, I am very new to jMonkeyEngine 3 and still learning. Not exactly sure what could be causing my snowman to have already been rotated before import. I created him in blender and it was facing ...
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2answers
81 views

How can I prevent resizing of an Ogre3D object once imported into jMonkeyEngine?

I created an object in Blender: Then I exported it as a mesh.xml file and attached it to the game scene: [Note: The gray color is the ground.] In the game I end up with have a smaller, ...
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2answers
2k 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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1answer
429 views

Import Blender files to SharpGL (openGL for c#) [closed]

please i have problem with import 3D models to SharpGL (openGL in c#). Have you got pls any project where is this problem solved? I need create any models in for example blender, and then import to ...
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0answers
113 views

Bounding box not right rotation XNA blender object (.fbx)

I am importing .fbx models (a simple cuboid), the model itself displays fine (and is repeated to make a wall) however the bounding box seems to be on the wrong rotation. Below is a screen shoot: ...
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1answer
150 views

Pixel perfect, sharp uv mapping

I'm having trouble understanding how the uv map that Blender gives you works. It gives you a map with outlines which you should color in. But if I have a low-res texture I don't know where should I ...
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0answers
27 views

Would it be possible to edit character models of a PS1 game, to be played on an emulator? [duplicate]

There are some abandoned PS1 oldies out there that I would love to see revamped with improved assets. I have some skills with some some modelling programs, so I was wondering if it would be possible ...
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2answers
237 views

Best collision shape for rooms

I'm wondering what is the most efficient collision shape to use with APIs like Bullet or Havok for rooms/interiors. Rooms tend to be boxes but are concave since the normals point inward which means no ...
5
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1answer
293 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 ...
2
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0answers
51 views

Blender: Setting additional properties per face [closed]

I wish to use Blender to model level for 3D game. Level is a set of Meshes. I have to set special (additional) properties per face (triangle). These properties are like integer number or vector or ...
2
votes
2answers
145 views

What's the rationale for different coordinates systems?

Could someone explain to me why Blender and other 3D modeling apps switch axes? If I export model with Blender, then exporters do following things for the same model: The 3DS format applies this ...
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0answers
249 views

Blender, Exporting to Collada, Assimp and Normal Maps

I have a simple model that uses a diffuse and a normal map - in this case just two textures applied to the same material, where for the normal map I uncheck all the options in the "Influence" section ...
0
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2answers
236 views

Exporting Blender bones' transform matrix

I use this simple python script to export bones transformation: bones = armature.pose.bones # for eaach bone in bones SystemMatrix = Matrix.Scale(-1, 4, Vector((0, 0, 1))) * ...
5
votes
1answer
454 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 ...
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vote
1answer
121 views

Combining Animations for Colllada export

I need to export an animated character to the Collada file format in Blender. My .blend file has the individual animations (idle, walk cycle, attack, etc) each as separate actions. I discovered after ...
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1answer
2k views

Parsing Blender obj with Opengl And C++

I wrote an example attempting to parse blender *.obj file in OpenGl/C++ , to get it done : I have to open the file, exploding it's lines ...and returning the result. This is how the shape.obj file ...
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3answers
60 views

Blender and the smoothing effect

I just started using blender again and I'd like to know if smoothing your model out adds a performance hit to your game? By smoothing I mean when you hit ctrl+X (number from 1-9). The number of ...
3
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1answer
1k 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 ...
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2answers
182 views

Cocos3D: weird line between adjuscent 3d planes

I have created a textured plane in blender of size 2×2 and I am using that as a tile. This is the screenshot of what I have done in blender. Nothing special, the default plane on origin, I just added ...
3
votes
1answer
462 views

Create a physics body with hole : bullet physics

I am writing an iOS game, using bullet for physics, blender to create models, cocos3d as the game engine. I have a model like this Basically there is a plane, with a hole, and a UVSphere. Both were ...