Geometric representations of objects in 3 dimensions. 3D-meshes are made up of a collection of triangles or other polygons, forming volumes and surfaces. They are commonly used for visual representations on computer screens.

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8
votes
1answer
197 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 ...
1
vote
1answer
1k views

what algorithms exist for combining multiple triangle meshes into one mesh

Let's say I have a terrain mesh of some triangles, and several smaller meshes which I want to add to that terrain mesh (think ground and some small mounds or berms for example). What would I look for ...
0
votes
2answers
1k views

C++ SDL, Opengl 3D Game

I have been learning C++ for long time (but only learning game development for eight days) and I have made a simple game using 2D textures. I was thinking of starting on 3D game development. I wanted ...
0
votes
5answers
2k views

Polygon count target range for MMO being released in 2 years

What would a realistic poly count target range be for NPC and player models in a 3D MMO that will be released in 2 years? What about poly count target range for the entire camera view (environment, ...
2
votes
1answer
575 views

Does md2 support skeletal meshes?

I'm creating an FPS game. I'm writing my own game engine. So far all the backend stuff is going great. I'd like to support md2 as the native file format for 3D Objects, but I also want to use skeletal ...
2
votes
1answer
590 views

Triangle accuracy picking for animated models in XNA

I can do picking with triangle-accuracy for non-animated models, but I also have animated models in my game. How do I do picking on animated models? I use code based on this project for animation. ...
2
votes
1answer
4k views

Faster way to draw dynamic meshes in OpenGL ES

I'm writing a 3D game which is going to inlcude some dynamic meshes. For now, my code looks like this : private float[] mVertices; private FloatBuffer mVertexBuffer; public void onDrawFrame(GL10 ...
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 ...
1
vote
1answer
1k views

ways to make a physics engine

Hey so i've been looking into real time physics engines, which led me to the crazyLaggoa multiphysics engine by thiaga costa, and brought up the question of: What are some possible ways, ideas that ...
5
votes
3answers
354 views

Drawing the same mesh or drawing the same material?

I was wondering. Suppose I have a 1000 grass meshes. They all have the same material, but I create them separately, because they look slightly different, because they have different heights. Does my ...
2
votes
2answers
2k views

How would I use GLM for Bullet Physics?

Right now im working on my c++ game, and im having alot of trouble using GLM and Bullet Physics to create my world correctly. The main problem is that when i export my physics with Blenderv2.57, and ...
4
votes
4answers
9k views

Move the location of the XYZ pivot point on a mesh in UDK

When working with any mesh, you get an XYZ point somewhere on it. If you just want to move the mesh in any direction, it doesn't matter where this point is located. However, I want to rotate a door. ...
-2
votes
1answer
910 views

Want to develop android game

I want to develop a 3D multiplayer game for android , what is the best game engine , what is the best software to create 3d objects to import them to android ? Thank you .
13
votes
4answers
12k views

How to load 3D models into Java?

Using LWJGL what is the easiest way to load a 3D model to be drawn on screen? I know LWJGL doesn't have built in loading support so I am looking for a small library that would help to load ...
1
vote
1answer
934 views

Data Organization in Custom 3D Mesh File Format

After careful consideration to use middleware, I have decided on creating my own 3d file format format to export meshes from 3D authoring application (Softimage) into my game. I will need to export ...
2
votes
2answers
725 views

A good beginners' game engine to run on linux [closed]

I am involved with a research that deals with 3D graphics. I am very new to 3D graphics. In my research I have to move a 3D object based on some information queried by processing a video. Viewer's ...
6
votes
3answers
2k views

Modelling photo-realistic grass in realtime

I see a number of tutorials on how to create good looking grasses when creating 3D renders but can't think how to model it for realtime/use in a game's scenery. Sure simple models with alpha cutouts ...
-3
votes
3answers
2k views

good 3d model with bones? [closed]

Can anyone direct me to a site where I can download a free 3D model with a skeleton so I can practice using them in the XNA environment untill I'll make my own models? If the model is human-ish (2 ...
6
votes
1answer
518 views

How to create art assets for a 3d avatar editor

I am currently prototyping an idea for an iPhone game. I'd like to create an avatar editor inside the game so that the player can create a 3d avatar face and modify certain features (using slider ...
1
vote
1answer
468 views

Maya .IFF plugins for Gimp

Maya's preferred format for saving off a UV Snapshot is its own .IFF format, so I was hoping to find a plugin allowing Gimp 2 (Windows) to read it. I've found plenty of plugins for different linux ...
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 ...
4
votes
4answers
1k views

Custom mesh format - yea or nay?

In the process of writing my game prototype, I have found the OBJ format to be insufficient for my needs - it does not support any sort of animation, it doesn't support triangle strips (I'm targeting ...
2
votes
2answers
980 views

algorithm to “explode” mesh

i have a simple triangle mesh which i want to explode. so i am looking for an algorithm that makes every triangle to move outwards from the centerpoint. is there already something premade like this? ...
2
votes
1answer
359 views

What is the best way to render eletric wires (like in gta 4)?

From the top of my mind, I see 2 ways to do it : classic mesh. (but that's likely to be a lot of tris for little screenspace) bilboards (but the placements of the billboards may be tricky. still ...
3
votes
1answer
1k views

Loading and drawing materials using Lib3ds

Hey all, i'm currently using Lib3ds to load models into my C++/OpenGL project. So far, i've been follow the model loading tutorial found here. The tutorial gives a good example of how to draw the ...
2
votes
1answer
1k views

Font to polygon or triangle mesh

I've been happy using bitmap fonts for games so far, but now I find I really need the polygon edge in some form. I saw the freetype engine some time ago, which can provide rastering of truetype fonts ...
11
votes
3answers
4k views

Optimizing a mesh for voxel cube landscapes

Playing around with creating minecraftish/lego world landscapes in Unity 3D (procedurally generated voxel landscapes with cubes), I'm finding that the meshes created for these landscapes take up a LOT ...
4
votes
1answer
438 views

Best methodology to prepare 3d models for avatar customization?

I know preparing mount points and the like. But what's the best way to prevent Z fighting with customizations close to moving parts like elbows and knees?
5
votes
1answer
958 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 ...
1
vote
4answers
533 views

Import from mesh vs hardcoded vertices performance

Which brings better performance at run-time: a cube imported from a mesh, or a cube made from hardcoded vertices? Are there limitations to a certain method? Is one of them better architectural-wise?
0
votes
2answers
1k views

free maya 3d model [duplicate]

Possible Duplicate: Open-source 3D models easily usable in OGRE3D/jMonkeyEngine Can the community recommend some good sites that have free Maya 3D model? I am trying to find some and export ...
5
votes
5answers
414 views

Identifying mesh format from initial bytes

I have a file containing mesh data whose blocks seem to start with DWORDS like: 0x1 0x1 0x3100026f 0x1 0x30000112 or 0x1 0x1 0x310007b2 0x1 0x30000112 or 0x10000006 0x3 0x310001f6 0x310001f6 ...
-4
votes
2answers
497 views

MeshTextureCoords element in DirectX .x file

What is the significance of MeshTextureCoords element in a .x Mesh file?
3
votes
2answers
2k views

3D meshes for WPF (XAML)?

I'm trying to make a WPF-3D game. WPF uses XAML. I'm trying to find free 3D assets from the internet. :-) What format of 3D models I should be looking for, direct XAML or 3D Studio format or what? I ...
13
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. ...
2
votes
1answer
1k views

How to load a mesh from the .X-format in DirectX10 via SlimDX?

As of DirectX10, the usual functions to load a mesh in the .X-format are marked as deprecated and they are DX9 functions anyway. How can I load a mesh from the .X-format into an ID3DX10Mesh object ...
5
votes
3answers
1k views

Where should I go looking for low-polygon 3D assets? [closed]

The biggest problem for me as a game programmer (who isn't also an artist) is getting good quality 3D models. I have checked out some of the 3D model market places like The 3D Studio and Top 3D Models ...
10
votes
2answers
881 views

Do any 3d engines natively import Google Sketchup models

Google Sketchup is about the only 3d cad program I can use, because I suck. Do any 3d engines natively import Sketchup models? Are there any major caveats when doing so?
2
votes
1answer
688 views

What 3d mesh formats usable with DirectX10 are there?

I want to load a mesh into my game (written in C#, if this matters) but am not sure what mesh format to use. What mesh formats are there, how easy/hard it is to load them into DirectX10 and what's the ...