Tagged Questions
The 3d tag has no wiki summary.
0
votes
0answers
13 views
Google Sketchup pro exporter/importer for MD5 model format?
Where can I find google sketchup pro MD5 (The doom3 model format) exporter/importer? If there isn't one what modeling program can I use to export/import MD5 models?
2
votes
1answer
66 views
Creating a Model out of Math primitives
Here is a litte sample that I drew in Blender to visualize what I am planing to create:
Cone with spheres sample
I already have the code to generate the cone and the spheres as mentioned in my ...
0
votes
0answers
53 views
What's wrong with my GJK algorithm implementation?
I've been trying to implement the GJK algorithm to detect collisions but I'm getting some strange behavior. It works absolutely perfectly in the case of spheres but not when I try it with boxes which ...
-2
votes
1answer
117 views
Simple example of 3D world in OpenGl
I'm writing a simulation program and now I'd like to visualize the results in 3D.
All I need is N tetrahedrons moving inside rectangular cuboid. I have already calculated coordinates of tetrahedrons ...
3
votes
1answer
111 views
simulating wind in 3d
i am developing a mobile game for Android. It is a 3D jumping game (like ski jump) where wind plays a important role so i need to simulate it. How could i archive this?
The game uses libgdx for ...
3
votes
2answers
90 views
What's a pre-multiplied 4x4 matrix?
I'm using a 3d game engine, that uses a 4x4 matrix to modify the camera projection.
The matrix is in the regular 4x4 format:
r r r x
r r r y
r r r z
- - - zoom
The description for the ...
5
votes
2answers
170 views
How to resolve penetration of two colliding bodies
I've implemented simple 3D game physics engine. I already have decent collision detection in place, now I'm trying to figure out the collision response part. I'm using impulse based method to ...
4
votes
1answer
65 views
Cross-Sections of 3D Rendered Objects
I am currently trying to look into techniques that allow the calculation of arbitrary cross-sections of a 3D object or rendered volume. However, I have been unable to find much on the topic. I know of ...
2
votes
3answers
52 views
How to get translation from view matrix
How can I retrieve the camera's world-space position from its view matrix?
The only answers I've seen to this question suggest the translation is in the last row/col but this wouldn't work since the ...
-1
votes
1answer
49 views
Away3D vs Papervision3D
I have served Google and I found that there are many 3D game engine also I have another question here
Do Playfish and Zynga use Flash game engines?
and I know that away3D is used for social media ...
5
votes
1answer
121 views
Display Lists in OpenGL
I heard that there was a faster method of displaying vertices, rather than recreating the GL_TRIANGLES, each time the scene is drawn. I thought I read somewhere that this method was obselete. Why ...
0
votes
1answer
97 views
What is a good “easily” moddable and scriptable 3D game?
I've made a fair number of 2D games (and actually completed/released a few of them). I'm hesitant to move into the 3D realm, because of the order of magnitude (everything takes ~10x more work).
To ...
3
votes
2answers
140 views
How are photorealistic models' textures created?
I've been learning Blender and have made some decent progress. I've made some neat models, but so far, they haven't been textured. I understand how to unwrap a model so as to get the UV coordinates, ...
4
votes
2answers
82 views
Pre-render 3D object from multiple angles, save as PNG
I'm looking for a tool or script that takes a 3D object (any format) and makes multiple renders of it automatically (using a raytracer or other high-quality offline renderer). It would then save the ...
2
votes
2answers
138 views
Rotating a planet around a ships axis
I have a planet rotating around its own axis (like regular planets, and Pluto) and a spaceship that can fly around in space.
The idea is to lock the player (ship) in a deadzone "above" the planet and ...
2
votes
1answer
97 views
Ball bouncing and throwing, how to?
I was given a task to make a 3D game for Android, but since I never programmed games and opengl until now I'm totally lost on how and where to start.
Right now I'm using libgdx framework to ease my ...
-5
votes
2answers
121 views
Looking for tutorial for a cool game suitable for a beginner to intermediate C++ programmer [closed]
I need to create a C++ game that can impress the admissions department for a college level videogame programming course I would love to follow.
Can anyone suggest a tutorial for a cool game suitable ...
4
votes
1answer
109 views
How to fix odd artifacts at the edges of textures in DirectX 11?
In my DirectX 11 project, when I have textures they have odd artifacts at the edges. I've seen it before and searched online, but I can't find any DirectX examples that I can get to work.
You can ...
0
votes
2answers
121 views
3D picking lwjgl
I have written some code to preform 3D picking that for some reason dosn't work entirely correct! (Im using LWJGL just so you know.)
I posted this at stackoverflow at first but after researching some ...
1
vote
1answer
101 views
Combine 3D objects in XNA 4
Currently I am writing on my thesis for university, the theme I am working on is 3D Visualization of hierarchical structures using cone trees.
I want to do is to draw a cone and arrange a number of ...
3
votes
4answers
237 views
How to draw only visible models of the game?
Suppose I have an array of models, each having it’s own “position” in the world space (scale*translation matrix). And I have an orthogonal camera. How can I test if model is “visible”, i.e. is in the ...
4
votes
1answer
134 views
How can I achieve a zoom-like camera effect?
I have a top down 3D camera:
view = Matrix.CreateLookAt(new Vector3(0,0,20), Vector3.Zero, Vector3.Up);
Now I want to achieve the effect like when I zoom in the scene and only show a section at the ...
0
votes
0answers
28 views
3ds Max CAT to XNA
Has anyone successfully used the CAT bone system in 3ds Max and exported the file into XNA? If so, what was your method of doing so?
There are a number of methods of doing this apparently, but the ...
-1
votes
0answers
75 views
which game engine did Destroy Gunners SP for android is using? [closed]
im trying to check games for the android mainly using the 2.2 OS version in 3d
i downloaded this game called "Destroy Gunners SP" and i wander which 3d engine did they use ? dose someone knows?
2
votes
3answers
162 views
Most common way to obtain textures for 3D models?
I'm getting into basic 3D modelling and am attempting to texture my model. I'm aware of UV mapping and some similar texturing tools, but I'm not sure how the majority of CG artists obtain their 3D ...
2
votes
1answer
70 views
Fitting a cap for a hollow object in blender
I have a thin-walled hollow object that I made by extruding a closed path that formed an outline. So the objecft is like a hollow pipe with a 1mm-thick wall (but the cross-section isn't a simple ...
0
votes
2answers
129 views
Moving along a flat plane with accordance to camera view
I'm making a 3D game, and I'm stuck on a little experiment.
I currently have a flat plane with a free camera running around, and a sphere (really, a light approximated as a sphere) that rests above ...
3
votes
1answer
86 views
How do you triangulate a 3D point from a pair of stereo images?
I'm working with a stereo pair of photos, and trying to obtain a set of 3D points from matching points on these 2 images. How exactly is the point triangulated? Do you throw a ray from the camera ...
4
votes
2answers
220 views
What is road map for Windows 3D game development in C#
I used WPF 3D to make a demo program a while ago. I'm now want to give some other things a shot but find working in WPF 3D ... confining. I have looked at Managed Direct3D but read that it's dead. I ...
0
votes
2answers
85 views
iphone 3d library with physics
are there any light 3d iphone libraries that must have:
Physics ( ragdoll physics )
3D scene graph
Advanced lighting (lightmapping and stuff)
Sound engine
Ability to import 3D model from blender, 3d ...
1
vote
0answers
99 views
A simple 3D code for java eclipse? [closed]
any codes i just want 3D codes so i can make a first person shoter or simething like that or a website that can teach me things like that.
0
votes
0answers
77 views
Drawbacks for using only quads for model geometry [closed]
Possible Duplicate:
Why do game engines convert models to triangles compared to keeping it as four side polygon
What are the main drawbacks for using "only" quads for model geometry?
Does ...
2
votes
2answers
183 views
Why is my quaternion camera rotating around strange axes?
I can't get it to work for the life of me. Its rotating the camera in the global coordinate system, or some other random coordinate system, not the camera local coordinate system. WASDEC work ...
-1
votes
1answer
156 views
How to create a map by coding in OpenGL
I have a very good knowledge about Java, C++, Qt, C# etc... and I wanted to start making a game... most the engine that the game per se since I don't like the "design" part of making a game..
I have ...
1
vote
0answers
67 views
How to attach two XNA models together?
I go back on unsolved question I asked about attaching two models together, could you give me some help on this ?
For example, If I want to attach together Model1 (= Main model) & Model2 ?
I ...
1
vote
2answers
163 views
Can a 4x4 matrix describe a camera's perspective?
I'm working with a closed-source 3D engine, and it only allows you to set the view projection via a 4x4 matrix. Can this matrix describe the camera's translation, rotation & perspective?
I turned ...
0
votes
1answer
91 views
Which tool can convert a Torque .dts file?
Into a more common 3D model format such as 3ds, max, or obj.
I know that it is possible (someone did it for me but won't tell me how).
There's a tool called Shaper that looks like it could do it but ...
0
votes
0answers
245 views
android game using bullet and libgdx
i'm developing a android project for school and i'm currently using libgdx for rendering. It performs quite well, but it lacks a 3d physics library. So i searched and found that Bullet physics engine ...
0
votes
0answers
103 views
3d collision detection on non flat surface
i am developing a game which needs an accurate collision detection algorithm, when a object travels down a slope which isn't flat. To be more precise i need to simulate a skier who travels down a ...
1
vote
1answer
75 views
How to go orthographic instead of perspective view in XNA with CreateOrthographicOffCenter?
Using these view and projection values:
var eye = new Vector3(0, 0, 10f);
var view = Matrix.CreateLookAt(eye, Vector3.Zero, Vector3.Up);
var projection = ...
1
vote
1answer
252 views
Graphics Pipeline, how exactly it works and how graphics card interprets it?
I've looked at this Wikipedia's link, http://en.wikipedia.org/wiki/Graphics_pipeline, but the article lacks in-depth explanation.
The only thing, I suppose, I understand and can expand upon, is, ...
1
vote
1answer
58 views
Where would I get 3d models and/or graphics for a program?
I'm a programmer that made a simple html5 mobile app. I would like to have a nice 3d model of a cartoonish goofy cow for the program icon.
Is there a simple 3d program out there that I could try? Or ...
4
votes
3answers
251 views
what is the simplest 3d software for unity?
Ive heard a lot about Daz studio, Poser, Maya, K-3d, Anim8or, Blender, and all the rest.
My question is which one is the best choice in terms of simplicity and quality. price is not an issue really. ...
2
votes
3answers
197 views
3d platformer with 2d point of view
I made my first 2d platformer game using java + swing.
Now I want to achieve the same gameplay adding 1 dimension. I think this will require opengl knowledge.
I know the basics but i don't ...
0
votes
1answer
141 views
How to install java 3d in ubuntu
I'd recently asked a question for getting started in game development from where I was suggested for the book "Killer Game Programming-Java".
On the page there is a java 3d program which needs to ...
1
vote
1answer
105 views
3D Location Handling
I am thinking about making a simulator type game that will involve having lots of small objects in a 3D space. What is the typical solution for handling these objects? The first thing that comes to ...
4
votes
1answer
82 views
3D models overlapping each other
I have a problem at the moment when I draw some models to teach me more about 3D game programming. The models at the moment overlaps each other from some angles witch makes sense since the game at the ...
2
votes
2answers
101 views
View Frustum Alternative
I am working on a simulation project that requires me to have entities walking around in a 3D world. I have all that working, matrix transformations, etc. I'm at the point where I need what is ...
0
votes
1answer
101 views
Display crosshair that is diplaying where the ship is aiming at
I am creating a 3D asteroids game. I got the bullets, asteroids, and ship all done. They work perfectly. Now I want a crosshair to display where the ship is pointing at. The crosshair will be a 2D ...
0
votes
0answers
77 views
Xna GS 4 Animation Sample bone transforms not copying correctly
I have a person model that is animated and a suitcase model that is not. The person can pick up the suitcase and it should move to the location of the hand bone of the person model. Unfortunately the ...
