A representation of an object in 3D space.

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1answer
438 views

LWJGL SlickUtil Texture Binding

I am making a 3D game using LWJGL and I have a texture class with static variables so that I only need to load textures once, even if I need to use them more than once. I am using Slick Util for this. ...
1
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1answer
267 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 ...
1
vote
1answer
119 views

Running two simultaneous animations on a model? [duplicate]

I am just looking for a broad answer to this question. I am more curious about the general information rather than the specific. Also, I tried to search for this, but I think it's hard to word it so ...
0
votes
1answer
88 views

x-inverted obj importer in BulletSharp - whats wrong?

See importer C# code at the repository. Screenshot: Left: bullet imported version, right: correct 3ds max version. It's somehow inverted. If you think that left part is just 180 degrees rotated you ...
1
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4answers
781 views

What does “non commercial use” mean in terms of game assets?

I recently got an app for my iOS device called "123D Design." It is a 3D model editor. Upon creation of an account, the application tell you that "your models may not be used commercially." What ...
1
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0answers
165 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 ...
2
votes
1answer
134 views

Effective Methods to utilize 3d Scanners to produce game development resources [closed]

Once upon a time I was quite passionate about game development. About four years ago at the height of my game development aspirations, I was involved in a number of activities. I worked with a team ...
2
votes
1answer
496 views

Assimp renders a partial amount of vertices

I'm building a 3D game, and i'm trying to load some assets with the nice Assimp library. The model should look like the one in the first picture, but instead, it takes the form of some kind of ...
2
votes
2answers
190 views

What are the pros. and cons. of different representations a custom geometry format for a mobile based engine?

I am trying to create 3D model importer for my mobile based engine. These are what I am considering: Convert .obj file to text based structure like JSON or custom. So, basically, convert .obj ...
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votes
1answer
95 views

Why doesn't my XNA model render at all? [closed]

I am trying to draw a 3D Model in XNA 4.0, but it doesn't show up. I think I made it correctly, but maybe not. My code follows: Here is the LoadContent and Draw method of my Main class. Spaceship is ...
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0answers
83 views

Rendering a model with transparent or translucent uv map applied doesn't work

Before I try to make anything transparent, the model renders nicely. When I change the uv layout so that one piece of the model will be transparent, it renders horribly. This is the result with a ...
0
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2answers
156 views

Creating a collision shape for a complex model

I'm currently creating the collision system for my 3D XNA game. To check collisions with models (especially complex ones) like trees or other plants, I thought about rendering a low poly version of ...
2
votes
1answer
205 views

XNA mesh.Draw() takes the longest CPU time

We have a problem. Our game steadily slows down as we increase the number of models we draw. When the number reaches 100 - FPS is dead. Our humble tests showed that the reason is not GPU. This is what ...
2
votes
2answers
93 views

Finding a specific point in a graphic model in code

I'm not really sure what I'm asking, so sorry for the bad title. I'm still new to game programming and especially the "game specific parts" like models and graphics. Let's say I have a model of a ...
0
votes
0answers
28 views

Would it be possible to edit character models of a PS1 game, to be played on an emulator? [duplicate]

There are some abandoned PS1 oldies out there that I would love to see revamped with improved assets. I have some skills with some some modelling programs, so I was wondering if it would be possible ...
4
votes
2answers
417 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 ...
1
vote
1answer
433 views

Get screen bounds of 3D object

I'm trying to draw a 2D plane that has minimum dimensions to contain a 3D model (a sphere). How do I calculate the minimum size and position of the rectangle to completely cover a 3D model on screen?
5
votes
1answer
650 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 ...
1
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2answers
155 views

Why does this exported cube have too many vertices?

I'm trying to export md5mesh models. Just as a test I decided to export a simple cube (i.e. with 8 vertices). When I opened the .md5mesh file it lists the following: numverts 24 numtris 12 ...
4
votes
1answer
658 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 ...
2
votes
1answer
284 views

Model a chain with different elements in Unity 3D

I have to model, in unity 3D, a chain that is composed of various elements. some flexible, some rigid. The idea is to realize a human-chain where each person is linked to the other by their hands. ...
0
votes
1answer
111 views

How to implement “model quality” in OpenGL

In many games, there is an option named: "Model Quality", which ranges from Low to High. Low model quality simply removes a lot of vertices from the model, to make it faster, while High preserves the ...
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votes
1answer
3k views

How can I import a Google Sketchup model with textures?

I'm using Unity 4 and trying to import a SketchUp Model into Unity and other Engines - but I can't get it to import correctly. Can anyone help me out?
3
votes
1answer
299 views

Changing weapons on a model?

How would you have 1 soldier model and then change the weapon depending on what class is chosen without having to load all the weapons at once and without having to load a new soldier for every ...
3
votes
2answers
555 views

What is the range of RAM consumption for the typical 3D character in a video game?

What is the average number of KB in memory for a 3D character? Granted, this will obviously be biased based on what game we're talking about. However, I am less interested in actual size in KB, and ...
0
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1answer
130 views

Dynamic Shapes and dynamic animations

I saw this video: Video And now I am curious about the following: How can you achieve dynamic forms like they are shown in this video. What I mean is: Do you need to have some "base" models which can ...
0
votes
1answer
85 views

Maya 3d view port issues

Hi currently i am working on modelling an object within view port, but i have issues here. On my right panel view port, when i try to alter an vertex of an cube i'm getting an 3d effect similar like ...
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votes
1answer
82 views

Creating and drawing models efficiently

As I am learning the basics of game programming (in xna), I want to start creating simple 3d models and draw them (I'm already able to draw, control and animate them). I want to create the following: ...
2
votes
1answer
185 views

xna model scaling - model is bigger than world

I'm having trouble scaling my model in XNA with C#. The model is bigger than the world itself and I can't seem to scale it down. Below is the code I'm using and an attached screenshot. How can I scale ...
0
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1answer
232 views

XNA ModelMesh.Draw vs GraphicsDevice.DrawIndexedPrimitives

I am using XNA 4.0 and I wonder if drawing models with multiple meshes is better by filling the vertex and index buffers first and calling GraphicsDevice.DrawIndexedPrimitives() or by simply using ...
0
votes
1answer
432 views

XNA & HLSL - rendering a model with its original materials (colors)

I am currently trying to code my own HLSL effect file, in order to render an FBX model I made with Autodesk maya, and to which I have applied some materials (colors). before trying to write an effect ...
0
votes
4answers
236 views

How can I render a model on top of another model regardless of their relative Z positions?

I was wondering if there's any way to render models over other 3D models regardless of their relative positions? Kind of like how it works in 2D graphics, you set a render order and it renders them ...
3
votes
3answers
4k 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 ...
0
votes
1answer
2k views

Normal mapping for Android and iOS

I'm making a mobile game for Android and iOS on Unity. At the moment I am researching and designing the technical aspects of the game. Since it is not plausible to use highly detailed models for ...
3
votes
3answers
317 views

Game Map Implementation

I want to know how I can create a virtual town or city (like skyrim towns or gta4 liberty city) Should I create something on paper and copy coordinates? (Building1 floor corner coordinates are these, ...
22
votes
1answer
909 views

Why is it that the majority of npc character models are roughly the same height in video games?

In the majority of video games I play, I notice that NPC's are the same height. What's up with that? It kinda takes me out of the experience, when I see ten people in a row that are 5 foot 8. Anyone ...
0
votes
1answer
136 views

Common way to store model transformations

I ask myself what's the best way to store the transformations in a model class. What I came up with is to store the translation and scaling in a Vector3 and the rotation in a Matrix4. On each update ...
7
votes
4answers
5k views

How are 3D models created in video games?

As the title says, how are 3D models in games designed and displayed? Is it all-code? Drawn on paper, then on a 3D graphics software, then... what? Of course, game programmers won't define every ...
0
votes
4answers
279 views

Is there a game not using meshes for models? [closed]

Traditionally, models consist of lots of vertices connected by triangles. That forces the use of a high amount of vertices for detailed organic shapes or makes models kind of blocky. Even though ...
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0answers
146 views

How to import big scene in 3ds Max to Shiva game engine? [closed]

I downloaded some 3ds Max scene models, and I want to use these scenes in ShiVa 3D game engine. For example, I have this scene, and when I tried to use some tools to export the scene and loaded it in ...
13
votes
1answer
12k 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:
0
votes
1answer
96 views

How to know if a model is composed of a group of models?

I've downloaded a model, and try to ungroup the model and learn how this model was made. However, the big model in the image below can not be ungrouped anymore. I feel that this model is composed of ...
0
votes
1answer
392 views

UV mapping: Untextured faces?

Im currently trying to texture a (transparent) cylinder. I want the texture image to wrap sideways around the cylinder but not the top and bottom faces, they are supposed to just stay untextured (so ...
1
vote
0answers
156 views

How do I remove control points from imported curve in Maya?

When I create a path from an Illustrator file, it adds extra control points for bezier handles for each point in the AI file, even though I don't drag out the handles in Illustrator. All my points in ...
-1
votes
2answers
903 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 ...
3
votes
1answer
457 views

XNA 4.0 - Why does using a RenderTarget2d cause transparency on models?

I have been working through Riemers ShadowMap tutorial and everything was going well until the section on drawing to a separate rendertarget. I am using a different model and quads but I assumed the ...
1
vote
2answers
519 views

How to correctly create bullet rigid from custom .mesh in Ogre?

Being new to 3d programming and bullet physics in particular, I am wondering how a 3d model or the mesh generated out of it effects the accuracy of bullet physics simulation. I have written a ...
-1
votes
1answer
133 views

Looking for pre-broken models/meshes for use in a unity project [closed]

Hi guys for my final year project I'm working on comparing the difference between a few destruction techniques for a game environment, based on looks and computational efficiency. I intend on ...
0
votes
3answers
656 views

Is it legal to reuse a 3D model as long as it has a new texture?

If I create a 3D model and texture for a client, say a house. Can I reuse that same 3D model, but apply a new texture and then legally use that in my own game? Is that enough of a difference? ...
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votes
1answer
160 views

What are some common 3D modeling tools? [closed]

I'm horrible at 3D modeling but I want to get better. Now the problem is that I have yet to find a good program that's easy to use. I want to be able to find one that's not just easy but also not ...