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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2answers
142 views

OpenGL strange lighting/model problem

I've made a .obj reader in c++ and I've tried rendering some models. I've got the whole concept from here: https://www.youtube.com/watch?v=KMWUjNE0fYI&list=PLRIWtICgwaX0u7Rf9zkZhLoLuZVfUksDP&...
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2answers
62 views

Unity3D/Blender: Bounding box rotated on import

For some reason my bounding box is always tilted when i import to unity. I've checked for loose geometry and everything but there's nothing.
2
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1answer
730 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 ...
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1answer
141 views

Modern OpenGL c++ obj loader

So i made a obj loader in c++.I used blender to export my files. I tried to draw 2 squares(one perpendicular to the other) and when im looking at them from above some weird black triangles apear, ...
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1answer
130 views

unity animation not starting

I have written the following code: public class TargetAnimation : MonoBehaviour { Animation anim; public AnimationClip Open; // Use this for initialization void Start () { ...
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1answer
421 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 ...
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1answer
25 views

Unity 5 - Importing models with multitextured materials

I have a file Blender model of a tree. It consists of some branches and lots foliage, nothing unusual. The foliage consists of a single material, which consists of 2 textures, a diffuse and lower ...
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1answer
46 views

Blender arm rig not working the way it should

I just bought a pair of arms from the unity asset store and imported them into blender, the IK seems to work just fine untill i use a Child of constraint on another bone(which is supposed to be a ...
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1answer
59 views

Blender assets management and workflow for Unity project

I'm trying to decide how to manage my 3D assets, and even how I should construct a world for my game. I should maybe explain, my game is basically a single explorable world set in a school. It's ...
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1answer
86 views

Issues with importing bezier curve animation (curve does not distort?)

Hi guys i'm pretty new to unity and having a frustrating issue; I've created a spear gun with an animation using a bezier curve grouped to the main gun shaft and distorted using a bone (bone relative) ...
3
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0answers
25 views

Skeletal Mesh Cloth Simulation bug (UDK), unexpected behaviour

When I try to move to the left (A) the pawn and the cloth move to the left, and when I move to the right (D) the pawn and the cloth move to the right too... Why the cloth always goes in same ...
2
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0answers
49 views

Possible to make/use a “preset animation” on multiple 3D characters?

So im new into game developing, so I'm sorry if this is a stupid question. The thing is, that I'm currently making a game, and I'm done with my 3D characters. The only thing that is left, are the ...
2
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0answers
133 views

Cloth effect to boned model for XNA

I'm currently working in virtual dressing project using kinect. I'm using a dress model with bone created in blender and added that to xna, placed on the customer and controlled the product movements ...
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0answers
25 views

Blender to UE4 mobile

My 3D models and animation vanishes when I preview it using the mobile view port. However they work just fine for the desktop viewport. I usually model the characters using MakeHuman and import them ...
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0answers
76 views

Unable to load Blender animation into libgdx

I am trying to load an blender animation into libGDX for an android app. So I created an animation using Blenders action editor, I exported this into .fbx format. I then ran the fbx-conv tool to ...
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0answers
205 views

Smooth+Flat shaded meshes cause shadow artifacts (understanding the source of the problem)

I'm using blender to create assets to use in Unity3D, and I'm having some trouble understanding how the smooth/flat shading interacts with shadows, I'm sorry if it has been asked before, but all the "...
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0answers
27 views

Add UVs back into a model

I built a 3D model in Autodesk 123d design, then exported it as an stl. When I convert it into an obj, however, there were no UVs in it. Is there a way I can add the UVs back into the model using a ...
1
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0answers
298 views

combining multiple materials into one material (Unity)

I am confused with how should I texture my character. I am using blender for modelling. And while my model is too complex I dont want to use uv map techniuqe. I can get what I need with using ...
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0answers
49 views

Specular intensity not imported from Blender into Unity

For my current project I'm using diffuse materials for my models in Blender but I do not want any Specular Intensity so I've set that to 0. Yet in Unity there is still a specular highlight and the ...
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0answers
75 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], which ...
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0answers
142 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 1000,...
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0answers
40 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
456 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))) * Matrix....
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0answers
161 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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0answers
99 views

Organize different layers of repeating texture

I'm using Blender for creating assets for a 3D video game (FPS). Particularly i have to create a long wooden fence and i'd like to use one 700*700 texture for the entire fence so different part of ...
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0answers
65 views

Blender: calculation of elevation and rotation angle from plane

I have a generic plane (any location, any rotation around every axis) with its normal axis passing by the center. Then I have a generic point and I need to find the elevation and the rotation angle ...
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0answers
171 views

Posible to export f-curves in blender?

I work with some friends on a rail shooter game in openGL. For creating our world we are using Blender. Since we want our Tank to follow a path I have started to work with creating bezier curves and ...
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0answers
995 views

Blender: How to merge multiple meshes of same object?

I have run into a bit of a problem creating my 3D model. I started with a single mesh and added additional meshes (all in edit mode) to create my geometric shape. They are all part of the same object, ...
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0answers
170 views

Blender models appear in UDK asset manager, but not in game

I am new to UDK and blender. I am using UDK3. I have tried the following so far: Making the mesh origin, (0,0,0) Making the parent bone origin (0,0,0) Parenting the root bone with the mesh I have ...
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0answers
102 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 a brown material. But these textures are warped and shown in the wrong ...
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0answers
52 views

How i can sign and/or group a specific set of vertices in a 3D file container like OBJ ? - in Blender

I would like to export a 3D model with each part having a name or a label if you will. For example i would like to export a model of an human body and name each part in specifics vertex groups like: ...
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0answers
13 views

Awkward shape causing issues with join, from Blender to Unreal Engine 4

https://imgur.com/a/sQzLG ^ - the pictures should tell more than I can with words. I've created a shape that is best described as a "Tetraforce." It's a 3d object made out of 4 regular tetrahedrons. ...
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0answers
29 views

Problems with imported model animation from Blender to Unity

I've downloaded a free sculpted arm and created my own rig and animation for it in Blender. So here is how it looks like in Blender : And the model itself looks fine in Unity, but as soon as the ...
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0answers
24 views

How can I fix the face/normal direction of my 3d mesh in blender/UE4?

So I am playing around with UE4 to make some concept art for a game. I extracted the model I wanted to use from the game's files and imported it into blender. It's a tank with 4 parts: the hull, the ...
0
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0answers
30 views

Why aren't .blend files importing into unity?

So I for the past week or so I have been having extreme difficulty trying to import .blend file that I made into unity. When I either drag or import the .blend file into unity I automatically get a ...
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0answers
19 views

How to export fbx mode file to Spritekit in iOS

Model does't show up in SpriteKit in iOS. I need some help to export fbx file to SpriteKit in iOS. Here is the code to load the fbx file to scene in iOS. SCNScene *scene = [SCNScene sceneNamed:@"...
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0answers
35 views

Blender to Unreal or Unity - will combining animations into one clip for a parent object to store effect workflow?

Hey so I have a gun and a set of rigged hands in blender, and I was wondering if I made a parent object for the gun, hands and everything, took all the animations respectively (such as right hand ...
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0answers
27 views

Trying to do skeletal visualization in bind pose similar to blender with octahedral mode

I already achieved drawing octahedral by just porting blender code to c#+opentk. Here ported code: static float[][] bone_octahedral_verts =new float[6][] { new []{ 0.0f, 0.0f, 0.0f}, new []{ ...
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0answers
55 views

Static smoothed particle hydrodynamics

I'd like to create a browsable universe based on simulation data, pretty much replicating what is shown here. Right now I'm investigating doing this all in Unity using the default particle system, ...
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0answers
48 views

How do I correctly import an animation from blender into UE4?

I have animated a conveyor belt in blender. When I import the animation to UE4, the conveyor belt does not move correctly. What am I doing wrong? Here is a link to my blender file: Blender File
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0answers
19 views

Blend generated fbx import to unity problem

I have create fbx file by blend. It import well in unity 5.1 roll a ball project. When i play it I have noticed that the ball doesn't hit the object. Ball go through the object. What the reason for ...
0
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0answers
258 views

FPS : Hands+Weapon Animation

I want to create multiplayer first person shooter . Now I want to create animation where the soldier is walking with rifle . I have separated hands from the body of the model and I have dropped ...
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0answers
65 views

Can not translate/rotate/scale skinned mesh

I have a Blender model with a skinned mesh and some unskinned meshes in it. After i import it into Unity, i can transform all the non skinned meshes with no hassle. But about the skinned mesh, ...
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0answers
59 views

Blender to UDK 3 How to smooth Static Mesh

I've created a bed cover model for my small game and here is how it looks like in blender: http://imgur.com/T88Mnbs but whenever I import it to UDK it looks like this: http://imgur.com/OMXBno3 it ...
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0answers
43 views

fbx file asks for fbm file in xna?

I downloaded a bat model from the internet and I went to Blender, used texture and shading as I want, then I exported it as a fbx file. Next I placed it into my content pipeline and ran it but it is ...
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0answers
68 views

Color from OBJ not displayed in Blender

I want to import some .obj file that I have made with MeshLab. The point cloud file was actually in .pcd format and I used pcl_pcd2ply tools from PCL to change it into PLY-Format. Then I import it ...
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0answers
710 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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0answers
161 views

Draw mesh with multiple bones

I currently have an object made up of only one mesh. And this object contains three bones. One for stretching the mesh left, one for stretching the mesh up, and a center bone, which moves the object ...
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0answers
713 views

Calculating the correct roll from a bone transform matrix

Read this forum topic for more info: http://blenderartists.org/forum/showthread.php?260602-transform-matrix-to-bone-%28head-tail-roll%29-bug I'm trying to get my Blender3d modeller importer to create ...