A representation of an object in 3D space.
23
votes
6answers
9k views
14
votes
1answer
4k views
Orienting a model to face a target
I have two objects (target and player), both have Position (Vector3) and Rotation (Quaternion). I want the target to rotate and be facing right at the player. The target, when it shoots something ...
11
votes
1answer
330 views
Dynamic model interactions
I am just curious as to how in many games (namely games like arkham asylum/city, manhunt, hitman) do they make it so that your character can "grab" a character in front of you and do stuff to them. I ...
10
votes
5answers
616 views
Where can I pay artists to make models for my game?
Lets say I get some money for my hobby project, and I would like to start filling it up with good models, instead of some cheap placeholder ones. What are some sites where I can pay people to make ...
9
votes
6answers
4k views
LOD in modern games
I'm currently working on my master's thesis about LOD and mesh simplification, and I've been reading many academic papers and articles about the subject. However, I can't find enough information about ...
9
votes
2answers
292 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
votes
1answer
441 views
C++ Model loading API?
I'm looking for the most capable C++ model loading API.
So far I've found tons of ply, obj, and other such file format loaders. But the libraries I've found tend to load just one model type, and ...
9
votes
3answers
2k views
Animation in OpenGL using 3D Models
I have created a model in Blender. Now i want to read that 3D model in my c++ program. I figured that a model can be exported to various file formats e.g. .obj, .3ds or COLLADA and then can be read in ...
8
votes
4answers
725 views
Which is better, one big level model or multiple smaller level models?
I am writing a game in XNA 4 and I want to have something like a corridor. Do you think that is better to use one big and solid model, or to use multiple small parts (window, stairs, door...)?
8
votes
1answer
319 views
How do I create a cel-shaded cartoon look?
I am interested in everything related to this kind of effect (modeling, game engine, animation). What sort of stuff is needed?
Here are some sample images of what I mean:
8
votes
1answer
2k views
Which c/c++ model animation library for OpenGL
I'm fairly new to game development, played around with xna before and just learning OpenGL & c now and I'm interested to know which c/c++ based model animation libraries are out there and which ...
8
votes
1answer
158 views
How to dynamically animate a part of a 3d model towards something
I'm curious about how this sort of animation is typically done code-wise.
A few examples:
A character picks something up - only hand is animated towards the target
...
7
votes
2answers
4k views
Most common 3D model format for opengl
I'm a novice that is starting to play with OpenGL ES on Android devices. To practice OpenGL I wanted to create a small game engine and so I was wondering what the best 3D model file format would be.
...
6
votes
1answer
185 views
Text on a model
I am trying to put some text on a Model and I want it to be dynamic. Did some research and came up with drawing the text on the texture and then set it on the model. I use something like this:
public ...
6
votes
3answers
624 views
How difficult and expensive would be to obtain 3D models for my game?
So, basically I'm looking for a way to get some 3D models and animations for my game.
I know this is kind of vague, but I don't need a precise answer, the details would be like this:
The 3D models ...
6
votes
1answer
609 views
Do I really have to write my own optimized model format?
So I'm a brand new noob to the world of game dev and I'm starting off by trying to write my own game using C++ and openGL. I'm getting into loading models etc and while searching around for "the best ...
6
votes
2answers
1k views
How to export 3D models that consist of several parts (eg. turret on a tank)?
What are the standard alternatives for the mechanics of attaching turrets and such to 3D models for use in-game? I don't mean the logic, but rather the graphics aspects.
My naive approach is to ...
6
votes
4answers
2k views
iPhone 3d Model format: .h file, .obj, or some other?
I'm beginning to write an iPhone game using OpenGL-ES and I've come across a problem with deciding what format my 3D models should be in. I've read (link escapes me at the moment) that some ...
6
votes
1answer
740 views
Are there any open source Source engine VTX/VVD viewers?
I've been playing with loading and displaying Source Engine models (TF2, specifically) and have had mild success, but there are some aspects of it that are eluding me still. I've been primarily ...
6
votes
1answer
5k views
Importing a .x file to 3D Studio Max?
I've been googling this for a while and haven't been able to find anything (blenders importer does not work). How can I import a .x file to 3D Studio Max? There are heaps of resources in converting ...
6
votes
1answer
260 views
How can I attach a model to the bone of another model?
I am trying to attach one animated model to one of the bones of another animated model in an XNA game.
I've found a few questions/forum posts/articles online which explain how to attach a weapon ...
5
votes
2answers
2k views
What model file formats are supported in XNA?
What model extensions are valid in XNA? I know it supports .fbx, for example.
5
votes
1answer
106 views
How to create a reasonably sized urban area manually but efficiently
I have a game concept that only really works in an urban area that is of reasonable scale and diversity. In terms of what it should look like, think GTA, in terms of the size think more like a small ...
5
votes
1answer
134 views
Automatically generate low detail collision meshes
I lately integrated Bullet Physics into my little game engine, but for now I only use basic shapes as spheres or boxes for collision checks. For more realistic physics I need collision meshes for all ...
5
votes
4answers
2k views
Can't understand these UV texture coordinates (range is NOT 0.0 to 1.0)
Hey, hello guys, I am trying to draw a simple 3D object generated by Google SketchUp 8 Pro onto my WebGL app, the model is a simple cylinder.
I opened the exported file and copied the vertices ...
5
votes
1answer
830 views
Problem with Assimp 3D model loader
In my game I have model loading functions for Assimp model loading library. I can load the model and render it, but the model displays incorrectly. The models load in as if they were using a seperate ...
5
votes
2answers
510 views
Linux OgreXML model viewer
Is there an OgreXML model viewer for Linux? I know about OgreMax but apparently that's Windows only.
5
votes
1answer
483 views
Separating Sprites from Models with PyGame
So I'm trying to code a game using the Model-View-Controller pattern, and therefore have a need to separate the models for my game objects with their sprite representations. The problem that I'm ...
5
votes
1answer
347 views
How do I create weapon attachments?
My question is; I am developing a game for XNA and I am trying to create a weapon attachment for my player model. My player model loads the .md3 format and reads tags for attachment points. I am able ...
5
votes
1answer
251 views
Why do meshes show up as bones in the Model class?
Right now I'm working on a 3D game and I've come across something very weird. When I created the model in Blender, I added an armature named "MyBone" to the stage and attached a cube ("MyCube") to it, ...
5
votes
1answer
772 views
3DS Max equivalent to vertex weight painting
I'm working in 3ds max on models for an Iphone game project and finding that using the Physique modifier is to general for rigging. When working with so few vertices I want to be able to directly tell ...
5
votes
1answer
314 views
How does this animation work?
This project "Locomotion Skills for Simulated Quadrupeds" creates an animation for the dog model in the program. However if you go into the project's files the dog's skeleton is made of individual obj ...
5
votes
2answers
2k views
How can I convert an OBJ model into arrays of vertices and indices?
I'm writing a simple model loader just to learn how models are loaded. I wrote a program to convert .OBJ files in a custom format. (It's virtually exactly the same as .OBJ, I wrote it once again just ...
4
votes
2answers
240 views
Repairing back-facing triangles without user input
My 3D application works with user-imported 3D models.
Frequently, those models have a few vertices facing into the wrong direction. (For example, there is a 3D roof and a few triangles of that roof ...
4
votes
2answers
155 views
Optimizing models & improving performance
I've created a map editor for a game I've been developing. The maps (planets) are made using a form of meta ball editing. Basically, in the end the Marching Cubes algorithm is used to get my final ...
4
votes
1answer
666 views
Middleware to Bring 3D Meshes into OpenGL ES 2.0
Say I develop a game for mobile platform running OpenGL ES 2.0. I have done 2D part, and now I wish to import some 3D objects.
The imported 3D objects must contain the following:
Vertices positions
...
4
votes
1answer
167 views
What uses are there for multiple UV maps on a model?
I'm trying to think of some reasons why there might be more than one UV map on a mesh. Usually I just unwrap the model, and the same UV map works for both the diffuse color texture, the bump map ...
4
votes
3answers
2k views
Getting started at 3D modelling and animation
I'm looking for book or a guide that will direct me to 3D modelling/animation for gaming. Most tutorials will go for lengths about things I don't really need for games and I want to get to the chops ...
4
votes
1answer
338 views
2D animation: Animated 3D models or sprites with animation frames?
Starting out with new project, I am stuck choosing between:
3D textured model animated directly through the renderer
2D sprites and drawing each animation frame
The game will be 2D platform, I ...
4
votes
1answer
356 views
3D models overlapping each other
I have a problem at the moment when I draw some models to teach me more about 3D game programming. The models at the moment overlaps each other from some angles witch makes sense since the game at the ...
4
votes
3answers
888 views
Solidworks (3D model) import help
Hey guys, I'm not sure if this is the right place to ask, but I'm also not sure where else to ask. I have a 3D model in Solidworks that is imported from a STL file. Solidworks imports the file ...
4
votes
1answer
130 views
How do I get a Model to add a name to it's Texture(s) in the XNA Content Pipeline
I know that a texture's name is not preserved when it's loaded in. I also know that you can give it a name. For example:
Texture2D texture = content.Load<Texture2D>("MyTexture");
texture.Name ...
4
votes
2answers
971 views
Writing a custom model file format
I am using Ogre for my rendering engine, and I planned on just using the .mesh format that is setup by default with Ogre. However, I recently purchased a large number of 3d assets from a company, only ...
4
votes
1answer
949 views
opengl lighting with textures
I'm using OpenTK and working in C#, if that matters. I'm trying to get lighting effects on a textured object. I'm using obj and mtl files to define them. No matter what I try my object is either ...
4
votes
1answer
147 views
Modular building technique with angles? (A roof)
Ive been spending a bit of time lately studying the modular buildings of many games and reading/viewing several tutorials about it as well, but almost every example I see uses a plain square building ...
4
votes
1answer
218 views
How to program a cutting tool for 3D model in game
I'm looking for a resource to figure out how to program a function to cut a 3d model in game.
Example: Enemy/NPC is sliced into 2 pieces with a sword. His body is not hollow, you can see bloody ...
4
votes
1answer
431 views
3d Model Scaling With Camera
I have a very simple 3D maze program that uses a first person camera to navigate the maze. I'm trying to scale the blocks that make up the maze walls and floor so the corridors seem more roomy to the ...
4
votes
1answer
67 views
How to use mount points in MilkShape models?
I have bought the Warriors & Commoners model pack from Frogames and the pack contains (among other formats) two animated models and several non-animated objects (axe, shield, pilosities, etc.) in ...
4
votes
2answers
2k views
Fbx animation without bones or single skeleton
SkinnedModel sample nicely shows how to import single root bone skeleton and run in XNA.
My question are:
Is it possible to have animations played in XNA if there no bones are used in model (which ...
3
votes
4answers
2k views
what is the simplest 3d software for unity?
Ive heard a lot about Daz studio, Poser, Maya, K-3d, Anim8or, Blender, and all the rest.
My question is which one is the best choice in terms of simplicity and quality. price is not an issue really. ...
