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0
votes
1answer
45 views

System.StackOverflowException error [closed]

Hi all! I have a one problem. I trying to create 2D cave generation system in C# with XNA game studio, but then I running program I getting "System.StackOverflowException". As you can see in this ...
1
vote
1answer
70 views

Errors when loading Assimp meshes

I am experiencing some oddities when loading meshes in Assimp. Some models render perfectly, while others are complete jumbles of triangles. Some Example Images: Teapot Correct - Teapot Actual ...
0
votes
0answers
81 views

Assimp - Error loading .obj files

I'm trying to load .obj files in my little game. I decided to use assimp as tool to import those models. But it seems that assimp does not import them correctly. I looked for a simple cube mesh ...
1
vote
0answers
14 views

Best practice for saving content-dependent metadata? [closed]

What is the best practice (compliant with the 3D pipeline) for saving content-dependent metadata, such as barycentre? I don't want to render the metadata, but I want to inform the users about it. I ...
0
votes
1answer
67 views

Questions about the obj file format

I'm wirting my first OpenGL Application for Android at the moment and now I get stuck on the ObjectLoader for obj files. I have some qestions to this file format and I can't an answer on the internet ...
1
vote
1answer
206 views

Efficient way of loading wavefront models in openGL game

In my game, a RTS game, the units are all wavefront obj. all their animation frames are each seperate wavefront obj file. ie. without any skeletal animation; fully rigid models. So when many units are ...
0
votes
0answers
92 views

LWJGL Importing .obj faces properly

I've created a simple OBJ reader. I am able to draw and render the object I created without using the texture or normal coordinates just fine. However, I'm trying to use all of the face portion in ...
1
vote
0answers
140 views

Using obj file in an XNA game [closed]

Sorry if this is a bit novice but I am far more into engineering than game development but I just want to make a small 3D game for fun with XNA (well actually MonoGame). The thing is that I don't have ...
7
votes
2answers
913 views

How does Unity3D lower an imported .obj vertex count?

I have a question regarding how Unity3D handles importing of .obj files. I'm importing this teapot: http://groups.csail.mit.edu/graphics/classes/6.837/F03/models/teapot.obj The number of vertices ...
0
votes
2answers
239 views

How to detect collision between a camera and a mesh?

I am wondering how you would be able to extract mesh properties (i.e. faces, vertices, and vertex normals) and use them to create a collidable object, one that a camera can't go through ? I am using ...
1
vote
0answers
76 views

Directx Texturing problem [closed]

I've recently started exploring Directx 11. I'm almost done the introduction so I started making my own *.obj parser and it works beautifully. I accounted for the right-hand coordinate system of 3ds ...
3
votes
1answer
199 views

Why do some .obj files have no newlines?

I'm working on a game engine and just started with mesh loading. I started with the format .obj. I ran into this problem: The guide I'm following gave me a couple of .obj files to try and they all ...
-1
votes
2answers
843 views

Need help drawing obj file! [closed]

I'm using GLFW and I want to draw a obj file. How are they drawn? I know how to draw 3D in OpenGL but when I open the obj file I see "v"s, "vn"s, "f"s, "vt"s, what are these? I don't know how to read ...
0
votes
2answers
1k views

Texture mapping issue in my Wavefront *.obj parser

I wrote a simple *.obj parser reading read vertices, texcoords and normals. But when I draw a model the texture isn't mapped correctly. I have already tried uv.y = 1.0f - uv.y to get inverted Y axis ...
2
votes
2answers
400 views

Raytracer texture mapping (to triangle mesh) leaving artifacts

So I am trying to get OBJ loading working in my raytracer. Loading OBJs works fine, but I am having some trouble with getting the texture mapping working. Here is an image of my result. It is ...
0
votes
1answer
232 views

Why is my obj file imported into pyglet showing a blank screen?

I am trying to figure out how to import .obj files generated using Blender into my Pyglet game. There is an importer object, example code, and an example .obj/.mtl file within Pyglet's contrib ...
2
votes
2answers
2k views

OBJ model loaded in LWJGL has a black area with no texture

I have a problem with loading an .obj file in LWJGL and its textures. The object is a tree(it's a paid model from TurboSquid, so I can't post it here,but here's the link if you want to see how it ...
0
votes
2answers
353 views

Wavefront mesh: determine which face a point belongs to?

I have a 3D mesh Wavefront .obj file. Is there any algorithm that takes an arbitrary point coordinates as input and determines which face of the mesh that point belongs to ?? The mesh is rendered on ...
1
vote
0answers
48 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: ...
0
votes
1answer
156 views

loading a sequence of obj in java

I have 90 obj for an animation and currently using LWJGL. How would I be able to load them in sequence for 3000 seconds (a frame every 33 milliseconds)?
0
votes
1answer
484 views

Problem rendering a Wavefront mesh, nothing displays(VBO)

I'm having a problem with displaying my wavefront obj file using VBO's My fps counter slows down like there is something being drawn but I cannot see anything. Is it a problem with my loader? Or maybe ...
-1
votes
1answer
392 views

std::vector::size with glDrawElements crashes?

( win32 / OpenGL 3.3 / GLSL 330 ) I decided after a long time of trying to do a graphical user interface using just opengl graphics to go back to a gui toolkit and so in the process have had to port ...
0
votes
2answers
307 views

How to get this wavefront .obj data onto the frustum?

I've finally figured out how to get the data from a .obj file and store the vertex positions x,y,z into a structure called Points with members x y z which are of type float. I want to know how to get ...
9
votes
3answers
8k 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?
1
vote
1answer
1k views

3DS Max 2012 OBJ file import missing polygons

I started learning OpenGL. I got to a point I want to import some "real" objects. After "Googling" I decided I will go with OBJ file for start, since it is simple to understand, and there are plenty ...
6
votes
1answer
8k 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 ...
1
vote
1answer
1k views

How to include fur in the exported obj file in Maya?

In Maya I use fur to create plants. In my game I want to render these plants with cel shading. I use Wavefront .obj as a file format in my game for the models, but it doesn't seem to include the fur. ...
0
votes
1answer
1k views

Understanding .obj file

I downloaded a 3d model of a car. By judging by the skins and images available model treats wheels and car body as separate nodes. I want to access its child nodes (wheels) to specify animation. But ...