Questions tagged [models]

A representation of an object in 3D space.

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28
votes
1answer
16k 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 ...
27
votes
2answers
254k views

How to merge two objects in Blender

What I've Done I created a Cube object with Subdivision Surface modifier in order to model a spehere. I created a cuboid object looking like a angled, longish baton. What I Want to Do I want to ...
25
votes
6answers
24k views

Free voxel editor? [closed]

Does anyone know of a good free voxel editor and/or voxel-to-mesh converter?
15
votes
6answers
17k views

LOD in modern games [closed]

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 ...
12
votes
2answers
11k 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. ...
12
votes
1answer
489 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 ...
11
votes
3answers
6k 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 ...
10
votes
5answers
775 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 ...
10
votes
3answers
8k views

How are game characters animated? [closed]

I will be working with my friends on our final year project. Our game will be FPS and I have to draw some animations for FPS view and other enemy character that can be programmed easily to make a good ...
10
votes
1answer
4k views

Which c/c++ model animation library for OpenGL [closed]

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 ...
9
votes
2answers
481 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
4answers
8k views

Can't understand these UV texture coordinates (range is NOT 0.0 to 1.0)

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 positions, indices, ...
9
votes
1answer
1k 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 ...
8
votes
2answers
22k views

Do I need to obtain a license to use real car brands in a game? [duplicate]

We are small team which working on car racing game but we don't know about licensing process for branded cars like Nissan, Lamborghini, Chevrolet and etc. Do we need to buy any licence for using ...
8
votes
4answers
1k 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
2answers
7k views

What model file formats are supported in XNA?

What model extensions are valid in XNA? I know it supports .fbx, for example.
8
votes
3answers
24k views

Importing and Displaying .fbx files

I have a little problem with importing/displaying .fbx files. I checked the examples but the ones which I am intrested the most (animation and texture) are badly documented for understanding by ...
8
votes
1answer
1k 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 ...
8
votes
2answers
251 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 http://www.youtube.com/watch?v=rW-...
8
votes
1answer
1k views

How do I convert a Source engine NPC model to a player model?

The Source engine's NPC and player models differ: An NPC model applied to the player has no animations. It cannot walk and holds its arms out to the side by about a foot. The weapon is held in the ...
7
votes
4answers
3k 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 ...
7
votes
2answers
12k 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 ...
6
votes
2answers
3k views

How do I model a real-world building?

This isn't exactly a game development question, but I am planning on using Unity as my engine and modeling in Maya so I was hoping folks on here might have some experience with this. I want your ...
6
votes
1answer
1k views

Need help for weapon models for Unity

I've been working on this FPS game and I've gotten to the point where I need to start adding the weapons in and have been having trouble creating (unsure of what engine to use) them. Is there an ...
6
votes
3answers
3k views

How difficult and expensive would be to obtain 3D models for my game? [closed]

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
36k views

How can I see the height of an object within Blender?

I'm fairly new to Blender. I know there is the "Transform" section in the Object menu of the Properties tab, which contains Location/Rotation/Scale of a selected object. What I'd like to know is if ...
6
votes
1answer
1k views

Keeping game model and graphics/animation separate but in sync

Suppose I'm building a chess game where I want to have animations. Pieces glide to their new squares when moved. Pieces perform attack animations when capturing other pieces. I'm not sure how to ...
6
votes
1answer
1k 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 ...
6
votes
1answer
439 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....
6
votes
1answer
2k 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 ...
6
votes
2answers
2k 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
1answer
2k 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 would ...
6
votes
1answer
6k 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
10k 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
1k 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 ...
6
votes
1answer
4k views

How can I create a 3D model in Java without using modeling software? [closed]

I am a lightly experienced game developer and this is my first time trying 3D objects in Java for the first time. I have been recently creating and updating games using AWT, Swing, and Graphics, but I ...
5
votes
3answers
27k views

How do I create a 3D model based on 2D drawings?

I'm a programmer. I have a great draftsman, but I don't know how to take his drawings to 3D. My gut feeling is to have him draw different view angles, then work based on those, adding each dimension ...
5
votes
2answers
2k 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 ...
5
votes
2answers
1k 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 ...
5
votes
3answers
22k views

what is more expensive 2D sprites or 3D models?

Me and my friends are programmers.We decided to try ourselves in game design. As we don't want to find ourselves in debts, we decided to avoid investors. We want to develop and publish a couple of ...
5
votes
2answers
849 views

Is it possible to create an “impossible” rooms in games?

Forgive me my lack of knowlegde, but for quite a long time I asked myself whether it was possible to create a continous game space that some player could walk inside and so on, that would be ...
5
votes
1answer
216 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
3answers
5k views

Getting started at 3D modelling and animation [closed]

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 ...
5
votes
2answers
650 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
418 views

How can I generate a 3d model via a series of transforms?

Is it possible to generate 3D models using some sort of object transformation (like it's shown here), using PovRay or any other tool, and import them into Blender / Unity? For example starting with a ...
5
votes
1answer
805 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 ...
5
votes
1answer
1k views

Creating a Model out of Math primitives

Here is a litte sample that I drew in Blender to visualize what I am planing to create: Cone with spheres sample I already have the code to generate the cone and the spheres as mentioned in my ...
5
votes
1answer
1k 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
2k views

How do I load a model through AssimpNet into Monogame?

I am new to MonoGame and to 3d and I'm stuck on how to import a model. It seems the best way to import a mesh model and 3d animations in Monogame in Windows 8 is through AssimpNet. I can't find a ...
5
votes
1answer
1k views

Best way to organize models with multiple meshes and textures?

I have character models which have different parts, ex: upper body, head, lower body; each part is a separate mesh in the same model. Each part has several textures associated with it (diffuse, normal,...

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