The tag has no wiki summary.

learn more… | top users | synonyms

15
votes
2answers
8k views

I can't figure out how to animate my loaded model with Assimp

I have loaded in a model to my C++ OpenGL game. It is a COLLADA file type that I have loaded, and I setup an animation under blender for the file. The problem is I don't know how to animate the model. ...
12
votes
4answers
2k views

What happened to COLLADA?

A few years back it was looking like COLLADA was going to be quite a big thing, maybe at last a fairly standardized format for getting 3D assets from a DCC package into the tools pipeline of a game. ...
10
votes
2answers
665 views

How to fix bad Collada produced by FBX?

I tried to use the FBX SDK (2011.3.1) to load FBX files and save them as Collada files in order to be able to import FBX files in Panda3D. Unfortunately the resulting Collada files are not usable for ...
5
votes
3answers
5k views

How do I load Collada models into a WebGL app?

I have written some simple apps following the tutorials on http://learningwebgl.com. What is the simplest way to load and display Collada model files, particularly the files available from Google 3D ...
5
votes
1answer
615 views

Difference between the terms Material & Effect

I'm making an effect system right now (I think, because it may be a material system... or both!). The effects system follows the common (e.g. COLLADA, DirectX) effect framework abstraction of Effects ...
4
votes
1answer
876 views

How do I calculate an inverse bind-pose matrix for COLLADA?

I want to port a rigged mesh from a custom format to COLLADA. The bones I have define a position for the bone (local) and a matrix that transforms the child-bones' positions into the next-higher ...
3
votes
2answers
797 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 ...
3
votes
3answers
520 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 }, { ...
2
votes
2answers
933 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 ...
2
votes
3answers
720 views

3Ds Max is exporting model with more normals than vertices

I made a simple teapot with the "Create Standard Primitives" option and exported it as a collada file, ended up with this: < float_array id="Teapot001-POSITION-array" count="1590"> < ...
2
votes
1answer
491 views

COLLADA: Inverse bind pose in the wrong space?

(Crosspost from StackOverflow) I'm working on writing my own COLLADA importer. I've gotten pretty far, loading meshes and materials and such. But I've hit a snag on animation, specifically: joint ...
2
votes
1answer
501 views

COLLADA, loading, the modelling/animation process?

So, we're making a game in C++ using SDL - a TDS. It was originally intended to be 2D, but our lead programmer wanted to redo the engine and make it 3D. And, now, we really don't know how to go about ...
1
vote
2answers
3k views

Using Assimp to load dae files

I've started looking into using Assimp to load in dae collada files into my game. I believe I've managed to load the file into aiscene. I am using c++, OpenGL and SFML. My problem lies with ...
1
vote
1answer
177 views

UV mapping issues while loading collada model exported with Sketchup

I load collada models, exported via Google Sketchup, into my Three.js (v63) scene with the Three.js collada loader. The models are loaded, but with some, textures aren't well mapped, like in the ...
1
vote
1answer
86 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 ...
1
vote
1answer
56 views

Which nodes of the Collada DAE are most relevant for game object/character use?

I'm really new to game dev / D3D. And I was looking to choose an intermediary format to work with and convert to my internally used format. Collada DAE seems to be good as it can export animation too ...
1
vote
0answers
48 views

How to remove black triangles on a COLLADA model? [closed]

I am trying to load a COLLADA model using DirectX 11 but every time I attempt to load any 3D model black triangles like those shown below appear. The black triangles always appear in the area that has ...
1
vote
0answers
142 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 ...
1
vote
0answers
111 views

iPhone collada object

Hi I am new to game development. I see many examples and tried myself like displaying triangle, cube etc. Now I am looking to render a Collada object. So I created a Collada object using Google Sketch ...
1
vote
1answer
4k views

importing 3ds max ( .max) file into blender

I got couple of 2 .max files that were created on 2008 version of 3ds Max. The files are really very simple 3d models of room and furniture item. I am using blender 2.53 beta. I have 3ds Max 2011 ...
0
votes
3answers
378 views

Why am I seeing this assertion error during Collada DOM loading?

D3DXMATRIX ColladaFileLoader::processMatrix(daeElement* node) { D3DXMATRIX matWorld; daeTArray<daeElementRef> nodeChildren = node->getChildren(); for (int i = 0; i < ...
0
votes
1answer
245 views

3dsmax crashes when exporting

I'm trying to export a (.max) file to openCOLLADA (.dae). Whenever I do this, 3dsmax crashes and produces this error: An error has occurred and the application will now close. No scene ...
0
votes
1answer
1k views

Trouble with Collada bones

I have a Collada file with a rigged mesh. I've read the node tags in the library_visual_scenes tag and extracted the matrix for each node and stored everything in a hierarchical bone structure. My ...