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.

learn more… | top users | synonyms

7
votes
2answers
2k views

Voxel Face Crawling (Mesh simplification, possibly using greedy)

Edit: This is just for my own learning experience, it is NOT for performance reasons that I ask this question. This is in regards to a Minecraft-like terrain engine. I store blocks in chunks ...
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 ...
5
votes
1answer
11k 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 ...
1
vote
1answer
431 views

Are interleaved vertex data formats better than non-interleaved formats?

I have been reading up on data formatting for 3D objects so that I can render my meshes as fast as possible in OpenGL. I am quite new to OpenGL so bear with me. The format for interleaving your ...
0
votes
4answers
498 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
2answers
2k 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 ...
17
votes
1answer
833 views

Algorithm to simplify building/structural meshes

I am looking for an algorithm to simplify the meshes of buildings or similar structures. EDIT: I had made a comment that Hoppe's algorithm tends to make meshes more and more spherical with ...
18
votes
7answers
11k 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 ...
6
votes
1answer
513 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 ...
4
votes
1answer
743 views

Quads Vs Triangles

I'm curious to know which is better for games? Quads or Triangles? Wouldn't quads be better for rendering performances and smoothing out tessellation?
4
votes
2answers
604 views

Building triangle adjacency data

Given a list of triangle indices, how exactly does one go about converting that to a list of indices with adjacency for a geometry shader? Note that we're strictly talking about indices here - ...
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 ...
2
votes
2answers
522 views

matrix to transform unit cube to space defined by 8 arbitrary points

I asked a question relating to similar to this already, but I think this is a clearer objective of what Im trying to achieve.. or whether its possible at all! Im trying to find a transformation ...
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 ...
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 ...