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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1answer
588 views

Problem when animating MD5 model (GPU Skinning)

I'm trying to implement a GPU skinning version of the md5mesh.js by @tojiro (demo with CPU skinning) in WebGL (live demo of the project here, use WASD to move the camera around). The main concept is ...
6
votes
2answers
1k views

How does an AAA graphical workflow look like?

So this is how I understand it: An artist models the thing in Zbrush or Mudbox. It now has 10+ million polygon. He exports it in Zbrush as a normal map + low poly model. (this works?) The model now ...
-1
votes
1answer
554 views

free asset library for panda3d [closed]

my game with panda3d is slowly taking form. It's still a mere testcase but I'd like to improve its visual. Since the assets from my previous projects don't fit this game I've used placeholders for the ...
2
votes
2answers
963 views

Creating a basic character skeleton from code

I'd like to have a procedural system that uses a string of data to create a 3d creature. The way I've thought to do this is to use the code to generate a simple creature skeleton (I'll get to the skin ...
3
votes
1answer
242 views

Are there established conventions for naming “directions” (width,height) in 3D?

I want to create a 3D game world where the players can modify the environment. I would like to bring it to the point where a power-user could even create "game objects" inside the application using ...
2
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1answer
1k views

How can I create my mesh so that textures applied to it are NOT rotated 90 degrees in Unity 3D?

I'm trying a really simple test in Unity 3D. I want to render a texture on the simplest plane possible. So, I've created a two-triangle plane in Blender, then imported it into Unity. From there, I ...
1
vote
1answer
296 views

real time mesh deformation with regards to environmental damage

I would like to be able to add this feature to my tech demo. At the moment bullets hit the walls and little pieces fly out of them, as well as decals appearing on the walls. However, now computing ...
3
votes
1answer
1k views

how large should a map be in blender

I'm learning blender and am wondering what size(blender units) I should be making my characters and maps. should i consider 1 blender unit as 1 inch, foot, meter or does it not not matter?
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2answers
630 views

What is the best way to store meshes or 3d models in a class

I am wondering, how I should store my mesh into memory after loading it from whatever file. I have Questions floating in my head: Should a mesh could have sub meshes or does the 3d model just store ...
0
votes
2answers
2k views

How can I select and scale an edge loop within Blender?

I'm a web developer looking into game development as a hobby for fun and the challenge. I have just started learning blender 2.6. I am currently doing a tutorial at ...
1
vote
3answers
352 views

What name (if any) applies to this particular 3D rendering technique?

Is there a name for this technique where when instead of rendering certain polygons, you just calculate a few key points and do the drawings in 2d? For instance, instead of rendering a sphere, you ...
1
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2answers
966 views

BoundingBox created from mesh to origin, making it bigger

I'm working on a level-based survival game and I want to design my scenes in Maya and export them as a single model (with multiple meshes) into XNA. My problem is that when I try to create Bounding ...
2
votes
1answer
1k views

Importing FBX with multiple meshes in UDK

I need to import into UDK a several amount of FBX models (representing buildings) which are composed by various submeshes (walls, windows, roof...). I need to keep the individual meshes (can't use the ...
3
votes
2answers
475 views

What is a decent polygon count for minimal spherical objects?

I am creating a model pack for a game and I am having a hard time deciding how many sides I should start with for the low poly props made from cylinders and spheres. Take an apple for example. I want ...
5
votes
4answers
377 views

Where can I find free or buy “next-gen” 3D Assets? [closed]

Usually I buy 3D Assets from sites like turbosquid.com or similar. My problem is that I have lately implemented glow, normal maps, specular (and specular power) maps and reflection maps and I can't ...
4
votes
1answer
2k 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 ...
4
votes
4answers
2k views

C/C++ code to generate texture coordinates for a curved surface

I have a triangular mesh of a surface curved in two directions, e.g. a sphere. It is therefore not possible to roll this surface flat (essentially specifying a mapping to U,V texture coordinates) ...
3
votes
1answer
233 views

Should I use different object types for different kind of 3D meshes?

well... I'm building the animation system of my game engine (the skeletal and skinned animation stuff), and I came to a point where I added so much functionality in the frame and node structures ...
0
votes
1answer
539 views

What is the difference between the marching cubes algorithm and metaballs?

After doing some research, I found out about the marching cubes algorithm and "metaballs". How exactly do they differ?
1
vote
1answer
123 views

Can i tell if a Vertex Tree is a solid shape?

if a Vertex looks like this: struct vertex { vec3 point; vertex [] connected; }; Can I tell if this makes a solid shape with no holes? (e.g a sphere or a cube, NOT a sphere with a side ...
2
votes
2answers
472 views

Best way to traverse triangles in a mesh

I'm implementing non-projective decals. As described in many places (ie: lengyel in the gpg2) I first need to detect all triangles that lie within some sort of frustum. Besides obvious brute-force ...
8
votes
1answer
177 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
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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
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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
503 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
555 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
3k 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
974 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 ...
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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
303 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 ...
3
votes
4answers
7k 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. ...
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1answer
722 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 .
12
votes
4answers
8k 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
840 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
684 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
508 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
376 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
947 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
715 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
335 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
835 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
428 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
867 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 ...