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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7
votes
3answers
446 views

Why doesn't light continuous on my model?

I created a basic textured cube model with Blender to practice modeling, and then I imported it into Unity. After I put up some lighting it looks pretty ugly. The light is not continuous on a row of ...
3
votes
1answer
653 views

Models with more than one mesh in JMonkeyEngine

I’m a new jmonkey engine developer and I’m beginning to import models. I tried to import simple models and no problems appeared, but when I export some obj models having more than one mesh in the ...
4
votes
1answer
308 views

Game Asset Size Over Time

The size (in bytes) of games have been growing over time. There are probably many factors contributing to this: trailer/cut scene videos being bundled with the game, more and higher-quality audio, ...
1
vote
1answer
231 views

Triangle Strips of Tetraheron

I am confused about the triangle strip representation of closed mesh .The vertex buffer for triangle strip representation of the a figure is shown below: A(0,1) B(0,0) C(1,1) D(1,0)E(2,1) vertex ...
4
votes
2answers
6k views

Where to attach global scripts in Unity?

As far as Iknow in Unity, every script must be attached to an object. But what is the case with global scripts? For example in a tetris-like game to which object should I attach the element spawner ...
1
vote
2answers
803 views

Converting many faces to single mesh and reduce poly-count in Blender

I'm not so familiar with 3D modelling, and I'm stuck on a simple task in Blender. I have a fairly complex model that's been imported as a .DAE file from SketchUp. This model is composed of many ...
5
votes
1answer
21k 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 ...
3
votes
3answers
1k views

Textureing subdivided Icosahedron in XNA, seam problem

*Look below for the updated source code* I have started to to make some different types of objects and create them by code in XNA. Right now I have finished the code for creating a Icosahedron. And ...
1
vote
1answer
525 views

Blender to 3ds max to cal3d format

There are quite a few questions on cal3d but they are old and don't apply anymore. In Blender(must be 2.49a for python script to work!!!): I have a scene with 7 meshes, 1 armature, 10 bones. I tried ...
4
votes
1answer
211 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 ...
0
votes
2answers
1k views

Creating mesh at run-time

I've a set of voxel data and I want to create a mesh out of it at run-time. I've looked into MeshBuilder and MeshHelper but I haven't found anything useful or a good tutorial how to use them. Can ...
0
votes
1answer
153 views

Why are my triangles not being drawn in the color I define?

I render a simple mash structure with Tao (don't think this is relevant) using DisplayList. Following code appears between int displayList = Gl.glGenLists(1); Gl.glNewList(displayList, ...
3
votes
2answers
9k views

Blender: How to merge two faces?

Initial Situation Using Blender 2.6, I often come to the same problematic setting: There are two faces on one straight line. My Aim I want to keep just one of the two selected faces, which you ...
0
votes
4answers
623 views

Missing triangles in model

I am having an issue where triangles in a model aren't being shown. The left is wireframe, the right is the finished image. For some reason a bunch of the triangles aren't being shown. The project ...
0
votes
1answer
353 views

Blender 2.6: How to Merge the Pros of Meshes and Surfaces

there are two interesting kinds of objects: Meshes and Surfaces. Each of them offers very cool features. Object Type Specific Features Nice Features of Surfaces: (for example) They're as scalable ...
5
votes
1answer
3k views

Finding if a point is inside of a mesh (Point-in-polyhedron)

How can I find if a point (Vector3) is inside of a mesh? Would this work for both concave and convex objects? I read somewhere that if you raycast in both directions of every axis (X, -X, Y, -Y, Z, ...
18
votes
7answers
14k views

Algorithm for creating spheres?

Does anyone have an algorithm for creating a sphere proceduraly with la amount of latitude lines, lo amount of longitude lines, and a radius of r? I need it to work with Unity, so the vertex positions ...
3
votes
2answers
5k views

Drawing a dynamic indicator for a field of view

My goal is to draw a dynamic indicator for a cube, which represents the field of view. The ideal indicator would look the same as in Metal Gear Solid(the blue ones): From what I have gathered, I ...
5
votes
1answer
1k views

Strange mesh import problem with Assimp and OpenGL

Using the assimp library for importing 3D data into an OpenGL application. I get some strange problems regarding indexing of the vertices: If I use the following code for importing vertex indices: ...
2
votes
1answer
375 views

Create edges in Blender

I've worked with 3DS Max in Uni and am trying to learn Blender. My problem is I know a lot of simple techniques from 3DS max that I'm having trouble translating into Blender. So my question is: ...
0
votes
1answer
512 views

Problem rendering a Wavefront mesh, nothing displays(VBO)

I'm having a problem with displaying my wavefront obj file using VBO's My fps counter slows down like there is something being drawn but I cannot see anything. Is it a problem with my loader? Or maybe ...
0
votes
2answers
6k views

Scaling Model in XNA, keep position

I am trying to create a little fun 3D game in XNA, but I am having some problems with scaling my models. I use models from random sites, so my battleship is for an example 10 times larger than my ...
3
votes
1answer
385 views

Procedural mesh generation from raytracer

I'm interested in applying the following technique: Define game objects using a object definition DSL similar to what you would use for a raytracer (e.g. POVRay) Use a specialised raytracer to ...
5
votes
1answer
187 views

What is a simple deformer in which vertices deform linearly with control points?

In my project I want to deform a complex mesh, using a simpler 'proxy' mesh. In effect, each vertex of the proxy/collision mesh will be a control point/bone, which should deform the vertices of the ...
1
vote
1answer
334 views

Realtime rendering using a ray tracing engine

I want to render an object that has a mesh with one million hexagonal elements(100 * 100 * 100). Lights, shadows and textures is not important and each element has a solid color. and finally, the ...
0
votes
1answer
224 views

3D Huge mesh rendering

I am writing a program, that as input, I have a huge (10^6 elements) 3d mesh (with hexagonal shaped elements), and I want to realtime render it, but not as real-time as a game. It just can show the ...
2
votes
2answers
668 views

Is there a standard way to store 3D meshes to easily communicate between libraries?

In a 3D game lots of different systems need to know about geometry data, however the only way they seem to be able to agree to on in representing it by an array of triangles. Can anyone recommend a ...
12
votes
1answer
4k views

Procedural Mesh: UV mapping

I made a procedural mesh and now I want to apply a texture to it. The problem is, I cannot get it to stick the way I want it to. The idea is to have the texture painted only once over the whole ...
3
votes
2answers
1k views

Static Meshes vs 3D models

What is the difference between static meshes and regular 3D models. I am very new to game development, and I am using UDK (Unreal Development Kit).
1
vote
1answer
701 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 ...
7
votes
2answers
2k 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
784 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
1k 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
268 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
votes
1answer
2k 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
467 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
2k 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?
1
vote
2answers
840 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
377 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
vote
2answers
1k 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
2answers
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
600 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
418 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
5k 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 ...
5
votes
4answers
3k 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
258 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
630 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
129 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
528 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 ...