Questions tagged [3d]

3D refers to three dimensional space where coordinates are represented with X, Y and Z values.

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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 ...
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1answer
2k 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 ...
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1answer
154 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
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1answer
718 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 ...
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2answers
381 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 ...
2
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1answer
315 views

Translating an object along its heading

Solved! I was not applying the transformations in the proper order. I am working on a simulation that requires me to have several objects moving around in 3D space (text output of their current ...
2
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1answer
649 views

Smooth Camera Rotation around 90 degrees

I'm developing a third person 3D platformer in XNA. My problem is when I try to rotate the camera around the player. I would like to rotate (and animate) the camera 90 degrees around the player. So ...
4
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2answers
2k views

What should I do to get my Blender models into my iOS game?

I am working on a 3D OpenGL|ES game for iPad. All the models are created in Blender. How should I go about getting my models into my game? I have the following requirements of my models: One ...
8
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1answer
25k views

How to calculate a 3x3 rotation matrix from 2 direction vectors?

I've got 2 direction vectors, for the X axis and the Y axis of the object. How do I calculate the rotation matrix of the object using these?
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2answers
2k views

Converting from different handedness coordinate systems

I am currently porting a demo from XNA to DirectX which, as I understand it, both have coordinate systems with different handednesses. What are the things I need to bare in mind when converting ...
2
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1answer
2k views

using blender to generate a 3D skybox

Is it possible for me to use Blender to generate a 3D skybox? The concept is fairly simple: I create a scene that I want to display on the skybox (mountains, clouds, water, etc). Then, couldn't ...
2
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1answer
751 views

What are the GPU requirements for XNA 4.0?

I tried to build a sample application using XNA, but I got an error saying that Pixel Shader 1.1 was required, so I got a used Radeon X300 GPU that supports Pixel Shader. I tried to build it again, ...
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1answer
121 views

Is there a 3D animation tool that meets these requirements?

I'm searching a 3D physics / transforms animation editor. It should be able to import 3D meshes from OBJ or FBX, then it should be able to animate transforms. I need such a tool for my 3D games, where ...
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2answers
592 views

3d Collision detection help xna?

I was hoping if you could help me out here. I'm developing a 3d table tennis game, and got the collision detection working perfectly when the ball hits the racket. However, now I would like the ball ...
4
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2answers
768 views

OpenGL, Offset and Camera Space

I was reading chapter 4 of the Arcsyntesis OpenGL tutorial when I came across this line in the GLSL shader. ...
2
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3answers
1k views

How should I model exact 90-degree rotations in 3D?

I'm familiar with quaternions... have used them in the past to model arbitrary rotations in 3D, as for a plane flying around with full pitch/yaw/roll freedom. Works great. Now I'm working on a 3D ...
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1answer
1k views

What is a CPU-efficient cloth simulation technique for a 2D game?

Are there techniques for simulation of cloth and hair in an efficient (in other words, not too CPU-intensive) manner? I only need to calculate the key points as the drawing will be done in 2D.
2
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2answers
345 views

What use for a 3d browser based multiplayer online game?

Can you help me choosing the right tools for this project? It's a 3d browser based multiplayer online fighting game. A few 3d functions are necessary for positioning, but no heavy rendering will ...
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1answer
375 views

3D motorcycle models for web 3D tools

I'm developing a website that can display 3D models of motorbike. I haven't decided on which tool to use yet but it seems most of them support X3D and VRML files. So I'm searching for already-made ...
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0answers
89 views

How much extra processing power is required for a 3D TV compatible game? [duplicate]

Possible Duplicate: How much extra power is required for a stereoscopic 3D game? How much extra processing power would be required to make a 3D TV compatible mode in a 3D game? (Nothing specific,...
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1answer
486 views

3D Flight Path Generation and applying a curve to x,y,z

I made a little critter that roams around. ...
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2answers
3k views

Vector games (Wireframe, Elite-like) theory and implementations?

I'm interesting in knowing more about how vector games like Elite and Star Wars Atari were built from grounds up. The question is not how to implement vector graphics with modern 3D APIs like OpenGL ...
2
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1answer
19k views

Rotating an object in OpenGL about it's centre

Im writing a game for which, one of the models are loaded from an .obj file. It's a model of a plane, and I want to rotate the propeller. The object file is broken ...
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1answer
303 views

On 3d ripper DX and other 3d asset tools that can help boost 3d artists learning

Aside from 3d ripper DX does anyone know any other 3d asset tools to help 3d artist in learning modelling and/or animations.
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1answer
263 views

Best cross-platform solution for building 3D toolsets?

I am looking to develop an in-browser game in Unity3D, but I would like to write my builder tools for my project on a more powerful platform. The assets I am building for the game are not traditional ...
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6answers
2k views

What technologies are required for 3D game development? [closed]

I want to make a racing game like Need for speed. And I want to start from very start. Please tell me the skills, technologies that one should posses while making it. I am beginner in game ...
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3answers
1k views

AR app: Mapping 3D object to 2D plane?

I'm trying to create an Augmented Reality app. I'm using OpenCV to get 4 points from a checkerboard pattern that represent the four corners of the pattern. This should be used to create a plane in my ...
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1answer
2k views

Converting to and from local and world 3D coordinate spaces?

I've been following a guide I found here (http://knol.google.com/k/matrices-for-3d-applications-view-transformation) on constructing a matrix that will allow me to 3D coordinates to an object's local ...
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2answers
1k views

How do I move a 3D particle using the Mercury particle engine?

I'm currently creating a 3D game with XNA, and I am in need of some particles.That's why I searched for a particle engine. I found Mercury, watched the tutorials and integrated it in the game. But ...
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1answer
933 views

Model not rendering correctly XNA

Basically i am trying to render a model yet it seems to draw polygons that should be behind something, in front of it. So i end up seeing some faces that should be behind something, totally covering ...
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2answers
1k views

How do I employ an arcball to allow the user to look around the screen?

How do I apply an arcball (using quaternions) along with mouse events, to allow the user to look around the screen using the o3d WebGL framework? This sample uses the arcball for rotating the ...
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1answer
406 views

programming light sources in java

I was making a game and I wanted to program light sources but I don't know how to. every where I search it comes up with lightweight java. Can any one offer any help. Its a birds eye view mmorpg. Can ...
2
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1answer
176 views

Integration of homogenous wave

I have a 2D matrix; each of its elements describes a homogenous coordinate in 3D wave (the values of wave coordinates are changed in time). The wave rendering is done with texture. I need to make an ...
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1answer
896 views

How to make a customizable 3D character with maya for a flash game [closed]

i'm working in a 3d flash role-playing game with alternativa 3d engine. My game requires the main character to be customizable, for example, the player must be able to add a mustache, a hat, a tie, ...
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3answers
1k views

XNA: Perform Collision Detection Against 3D Scene Geometry

How would one perform collision detection between a simple scene like the one below and a simple object like a sphere? I assume the best solution would involve convex hulls in some way but I have no ...
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1answer
1k views

Yaw Pitch and Roll question

Yaw is the object turning as if it is spinning on a lazy suzan (one of those spinning plate things you get in chinese restaurants), pitch is pointing the nose up or down, and roll is as if the object ...
8
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2answers
268 views

Determining if player-created structure matches a template in a 3D block-based game

Disclaimer: this is one of those dreaded Minecraft-style questions, but I feel it's more a data structures and algorithms question I'm really new to 3D data structures and am wondering what the best ...
2
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3answers
1k views

Culling Techniques for 3d OpenGL ES game

I'm developing a 3d flight simulator for Android and am using a relatively large (10k triangles) scene in 3ds format for the scenery. The scene is one polygon soup, not separated into separate objects....
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4answers
6k views

How do you organize your game files and classes? [closed]

Although it isn't necessary to exclude things like graphics and audio packages, I'm most interested in the organization of the folders for classes that deal with AI and game state. I'm thinking ...
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3answers
4k views

How do you make a customizable 3D character with animation in iOS?

I want to build a character system in my game that is like the on in Mod Nation Racers or Little Big Planet 2. You have a basic and simple Character (which is animated) and you can now put stuff (...
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3answers
949 views

How to: create a 3rd person view, multiple layer 3d world

Imagine a game world like in Dungeon Keeper or Sim City with an (possibly rotatable) 3rd person view, where the game world can be accessed in all dimensions (in discrete steps). For example digging ...
4
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1answer
358 views

3d level creation for small teams

What sort of tools and techniques are available out there for 3D level creation? In particular for small teams where you might not have the time and resources to make your level creation tools from ...
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5answers
2k views

Path planning for volumes in games

How would you path plan a volume for a game? For example a 1 km cube with tunnels and caverns. Also the terrain is destructible. You have walking and flying modes. I would separate it into phases. ...
0
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1answer
322 views

How to implement a track for a wipeout-style game on a mobile device?

I was wondering what is the best way to manage a 3D track for a game with the same mechanic as Wipeout on a mobile device. Build a track out of multiple segments and load new segments as the player ...
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2answers
900 views

How do i get the X,Y and Z of the way my unit is facing?

I have the yaw and pitch of my unit at my disposal, I know if I use polar to cartesian conversion I'll get the X and Y of each one of those two, but I need them combined to give me the x,y and z of ...
2
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1answer
284 views

Why doesn't the y Axis work with SuperBible frame reference or GluLookAt

I'm currently trying to understand how to use the GLFrame Class in the superbible book, and acording to the 4th edition of the book, the camera matrix derived from the Frame of reference class should ...
0
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2answers
170 views

Converting 2d path to 3d path

What is the procedure to convert 2d path to 3d one. Maybe it's a silly question, but for example: Let's assume that I have a path from point A to point B. And I have all X and Y coordinates of that ...
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3answers
8k views

What are some easy to use 3D painting programs?

I'm looking for an (easy to use) "3D painting" program, a program that lets me load up a UV-mapped mesh, some textures and lets me 'paint' with those different textures. Exactly like all those ...
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1answer
132 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 ...
3
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1answer
8k views

3D Ray Casting / Picking

I am not sure if I should post this link, but I feel this falls into game development just as much as it does math. I have a ray cast's far and near values and I am trying to calculate the end point ...