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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2answers
88 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
57 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 ...
1
vote
1answer
101 views
How would one render dynamic vertices in OpenGL ES 2.0 like in a 3D modeling program?
Is there an easy way to re-render dynamic vertices in OpenGL ES 2.0 so that one could, for example, make a modeling program?
I understand how to make a dynamic vertex array, but what I don't ...
1
vote
1answer
241 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 ...
15
votes
6answers
3k 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 ...
1
vote
1answer
466 views
Rotate Rigged and Animated Scene?
I have a rigged and animated mesh that I need to import into Unity. We several characters that all use the same script, and access their bones to do procedural animations as well.
The problem is ...
0
votes
2answers
62 views
Irrlicht rendering basic OBJ
I have been trying to render a "room" with some basic functions and I found some "bugs".
So at first I have made a "room" out of 6 planes in blender and gave each of them a diffrent color.
...
1
vote
1answer
93 views
XNA 3d model mesh.draw() throws TextureCoordinate0 is missing error
I've downloaded a bunch of 3d models from turbosquid.com. The majority of the one's I've downloaded are simply .fbx files. When I load the model into my game and run it, the following error is thrown ...
1
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1answer
65 views
Finding Surface of Inner Voulme mesh
I am working on the generation of Hexhedral mesh generation using octree based discretization. what I want I have volume mesh (Hexhedrals), Now using isomorphism I need project the outter most surface ...
0
votes
1answer
153 views
Wavefront mesh: determine which face a point belongs to?
I have a 3D mesh Wavefront .obj file.
Is there any algorithm that takes an arbitrary point coordinates as input and determines which face of the mesh that point belongs to ??
The mesh is rendered on ...
4
votes
0answers
77 views
UDK or Unity Dynamic Runtime Mesh Boolean subtraction (or alternative)
I'm new to 3D game dev and was wondering if anyone could help me out.
I'm planning to use UDK and would like to have deformable items in the world.
So a projectile strikes a target, and a dent or ...
5
votes
1answer
407 views
Animating a 3D model with XNA
How do I animate a biped model from 3ds max using XNA framework or not necessarily the biped model, it could be any 3D model but how can I code the animation?
6
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0answers
153 views
Path Finding for an Arena based map in 3D using NavMesh
I have a 3D arena map (consider a small island surrounded by water on all sides) for a multiplayer Tank fight game.
The moveable areas are marked using a Navigation Mesh made by the Arena designer.
...
4
votes
1answer
163 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 ...
3
votes
1answer
70 views
Stitching meshes together
I have a voxel engine that generates a mesh per chunk and now I want my meshes to be 1 mesh, but if I create them as a single mesh I kind of lose the benefit of chunking the data in the first place.
...
0
votes
1answer
42 views
Unable to manipulate Imported Object menu (Unity)
I've imported a model, but for some reason I can't edit any settings under the Imported Object menu, such as the Mesh Filter or the Mesh Renderer.
See this: http://i.stack.imgur.com/t7ZYR.png for a ...
0
votes
2answers
920 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 ...
3
votes
2answers
187 views
Displaying (3D) objects' name above them
The Elder Scrolls: Morrowind has a rather interesting way to display each focused objects' name. It's all a bit fuzzy in my memory right now, but the most important part I remember perfectly: the ...
0
votes
1answer
65 views
Interleaved formats for meshes confusion
So 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
0answers
43 views
Draw mesh on 2d image in cocos3d [closed]
Hi friends I want to draw mesh on 2d image as shown in this image, below I have given code, but application is crashing and no error message is displaying...so facing difficulty to identify the ...
2
votes
1answer
55 views
Swapping limbs between meshes
I'm trying to achieve what was done in the game impossible creatures. I will have a skeleton to which I will apply different meshes to i.e. torso mesh, leg mesh, etc. I would also like these meshes to ...
3
votes
1answer
340 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 ...
4
votes
1answer
79 views
Are models on 3D warehouse free of copyright? [closed]
Are models on sketchup's 3D warehouse free to use for personal or commercial work? I haven't been able to find copyright information on the site.
1
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0answers
45 views
Swap limbs of a skinned mesh
If I have a model, such as a robot, I am able to swap its limb meshes out and replace them with other robot limb meshes by merely removing the limb mesh from the skeleton and attaching the new one to ...
3
votes
1answer
120 views
How to approach skinning a snake made of cubes and is it right method for snake 3d game
I'm making a 3d snake game clone for studies and prettly much got everything to work, I have a 3d ground object surrounded by walls, and a snake head piece (cube). when you start the game 2 additional ...
0
votes
1answer
103 views
Strange rendering in Direct3D 10 [closed]
I'm writing an application which renders graphics on the screen. The application can switch between Direct3D9 and Direct3D10 graphics modules (I wrote DLLs that wrap both D3D9 and D3D10). When trying ...
1
vote
1answer
180 views
Perlin Noise for game terrain; math error (unexpected breaks in terrain (3D grid))
So, I'm learning how to generate terrain using Perlin Noise, and I came across this code: http://stackoverflow.com/questions/4753055/perlin-noise-generation-for-terrain/4753123#4753123
PerlinNoise.h
...
2
votes
2answers
588 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 ...
-1
votes
1answer
351 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
1answer
89 views
Finding holes in mesh
I have a mesh that has holes. I found a paper, An Automatic Hole-Filling Algorithm for Polygon Meshes
It details an algorithm that uses a k-d tree for finding holes (from a manifold triangle mesh). ...
14
votes
1answer
356 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 ...
2
votes
2answers
298 views
Creating a custom binary format for 3D meshes
I've seen people saying it's better and faster to use a custom binary format for your 3D models, based on your needs, instead of using exchange formats. But, I'd like to know how to create a basic ...
0
votes
0answers
49 views
Create smoothing groups from hard edges in 3ds max plugin
I asked this question on Stackoverflow but no one answered it yet, so maybe here it has better chances :).
I need to implement an importer to 3ds Max that will load some custom mesh data. I have ...
1
vote
1answer
69 views
Blender 2.6: Move Mesh to X Coordinate of Another Mesh
An example:
There are two planes A and B with the following median points:
( X | Y | Z )
M_A ( 3 | 2 | 2 )
M_B ( 6 | 1 | 1 )
Now I want to move the plane A on the X-axis to the X coordinate ...
3
votes
3answers
484 views
DirectX 9 - model rendering from .obj files issues
Well I can clearly tell that what rendered is close to what I wanted, but there seems to be a few problems.
The .obj files contained values like "f", "v", "vt".
Image Of Problem: ...
1
vote
1answer
83 views
Progressively loading the racing arena in a 3D driving sim
I need advice and resources on a 3D car simulator.
I want to progressively load the track for the player as I'm thinking of porting the game to mobile devices.
This seems too difficult to me as I'm ...
1
vote
3answers
310 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
votes
1answer
190 views
Drawing polygons in 3D
I have recently been working on a 3D engine from scratch, using JavaScript and HTML5. I've successfully created lines (although slightly buggy) and points, but I can't figure out faces. My current ...
2
votes
1answer
159 views
Software rendering 3d triangles in the proper order
I'm implementing a basic 3d rendering engine in software (for education purposes, please don't mention to use an API). When I project a triangle from 3d to 2d coordinates, I draw the triangle. ...
1
vote
1answer
218 views
XNA Per-Polygon Collision Check
I'm working on a project in XNA for WP7 with a low-poly environment, my problem is I need to setup a working per-polygon collision check between 2 or more 3d meshes.
I've checked tons of tutorials ...
3
votes
1answer
357 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:
...
1
vote
1answer
267 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
237 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, ...
2
votes
2answers
231 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
1answer
222 views
Rendering multiple squares fast?
so I'm doing my first steps with openGL development on android and I'm kinda stuck at some serious performance issues...
What I'm trying to do is render a whole grid of single colored squares on to ...
1
vote
3answers
154 views
The need to reduce mesh count
In Panda3d, I load a model and place 10000 references to it in the scene-graph. It runs at (say) 2Hz.
I load a 3d model containing 10000 copies of that exact same object, and it runs at (say) 60Hz. ...
2
votes
1answer
830 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 ...
5
votes
1answer
149 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 ...
0
votes
5answers
1k 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, ...
1
vote
0answers
134 views
Vertex Normals, Loading Mesh Data
My test FBX mesh is a cube. From what I surmise, it seems that the cube is on the extreme end of this issue, but I believe that the same issue would be able to occur in any mesh:
Each vertex has 3 ...
