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

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Starting off with coordinate systems [closed]

Where is a good place to start with learning how to program custom coordinate systems in a 3d environment? Are there any good books on he topic of gaming coordinate systems? I would like to build a ...
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2answers
33k views

How can I convert a 3ds Max .max to a Cinema 4D .c4d and maintain the animation?

I have recently purchased this asset from the3dstudio.com: http://www.the3dstudio.com/product_details.aspx?id_product=193089 It has a corrupt .3ds file available, and a .max (as well as what appears ...
10
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4answers
980 views

Rendering Resolution Independent Text

I need a way to draw resolution independent text in my game. That is, I need to be able to zoom in on text and never see pixel artifacts. Can anyone make any suggestions on how I could go about it?
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3answers
950 views

What's a good way to check that a player has clicked on an object in a 3D game?

I'm programming a 3D game (using C++ and OpenGL), and I have a few 3D objects in the scene, we can say they are boxes for this example. I want to let the player click on those boxes to select them ...
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4answers
17k views

What are 3D textures?

Google has failed me, I could not find anything informative. So perhaps GameDev can :). What are 3D textures? When are they used? Performance costs? How are they stored? I have many vague ideas, ...
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2answers
1k views

Can one draw a cube using different method/drawing mode?

I've just started learning gamedev (in particular android EGL based) and have ran over a code from Pro Android Games 2 that looks as follows: /* * Copyright (C) 2007 Google Inc. * * Licensed ...
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2answers
7k views

Are high powered 3D game engines better at 2D games than engines made for 2D

I'm a software engineer that's new to game programming so forgive me if this is a dumb question as I don't know that much about game engines. If I was building a 2D game am I better off going with an ...
4
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1answer
852 views

Angular Velocity

Hey, I have a particle that is hit with a force F at a particular position on the ball P. How can I calculate the angular velocity of the X,Y and Z axis? The actual rotating of the object should be ...
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4answers
1k views

Physics timestep questions

I've got a projectile working perfectly using the code below: //initialised in loading screen 60 is the FPS - projectilEposition and velocity are Vector3 types gravity = new Vector3(0, ...
2
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1answer
629 views

Calculate the initial velocity of a 3D trajectory

I've got a 2D projectile code sample working, but would like to extend it to 3D. How would I calculate the initial velocity of the Z-axis? At the moment, I've got: initVel.X = (float)Math.Cos(45.0); ...
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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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8answers
18k views

Where to start with game development? [closed]

To anyone who finds this question on Google or elsewhere 3 years after asking this question I've had a lot more experience with game design, and I have a good idea what I was lacking in ...
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3answers
3k views

Modelling photo-realistic grass in realtime

I see a number of tutorials on how to create good looking grasses when creating 3D renders but can't think how to model it for realtime/use in a game's scenery. Sure simple models with alpha cutouts ...
10
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4answers
4k views

How to implement mouselook in the browser?

I am currently creating a 3D first-person shooter game in the browser using WebGL. How would I implement mouselook/free look for such a game?
4
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1answer
1k views

What solutions are available for 3d character creation/editing in games?

Many RPGs and MMOs offer a system for creating a character model, with varying levels of customization. Are there any open source libraries for this? Any libraries which can be licensed? Has anyone ...
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8answers
2k views

Physics-perfect (or somewhere near) 3d sound engine [closed]

I'm new to game programming, although I have some years of experience in console/web development. My problem is not so much that I can't find what I'm looking for, it's just that I don't have the ...
3
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1answer
350 views

Approximating walking physics via simpler sliding physics

I am modeling walking insects. I implement them as cuboids and use forces (including friction and drag), to control motion. However, the movement characteristics of this 'sliding box' physics don't ...
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2answers
163 views

Resources on expected behaviour when manipulating 3D objects with the mouse

In my animation editor, I have a 3D gizmo that sits on the origin of a bone; the user drags the mesh around to rotate the bone. I've found that translating the 2D movements of the mouse into sensible ...
4
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1answer
369 views

Handling cameras in a large scale game engine

What is the correct, or most elegant, way to manage cameras in large game engines? Or should I ask, how does everybody else do it? The methods I can think of are: Binding cameras straight to the ...
7
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3answers
6k views

How much is java used in 2d/3d indie games? (before/after Minecraft) [closed]

I wonder for my own use and curiosity, how popular is Java in indie game development , in 2d and 3d? Are there any good open/closed source games done in java?
5
votes
1answer
507 views

Calculate the Z of a line intersection given the XY coordinates?

I'm intersecting a line in 2D and I calculate the X,Y coordinates of the intersection point. What I need is the Z of the intersection point given the X,Y,Z of the line points, and the X,Y of the ...
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4answers
19k views

Which game engine is ideal for a 3D RPG? [closed]

I am thinking about making a small RPG. I know some basics of openGL, but I do not want create my own engine. My criteria are: Ease of use Can do rpg game 3D Which game engine is ideal for a 3D ...
4
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2answers
353 views

How do I get started with fog type effects in a first person game?

Hey guys, I'm currently using JME3 to learn 3d game development in java, and I have run into a situation. I would like to add fog effects to my games, but I don't even know where to start to implement ...
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1answer
303 views

3d environments and managing them on iOS

I would like to start learning 3d game development and currently only develop 2d games. A few basic questions I am interested in are: What is used to create the 3d environments? Are they all done in ...
3
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1answer
3k views

Triangle-Plane intersection in 3D space

I would like to clip a triangle if its bounds lie partially out of a cube for this I guess I would need some kind of Triangle Plane intersection code, I'm not well versed with math but I do have the ...
5
votes
5answers
11k views

Any reliable polygon normal calculation code?

Do you have any reliable 3d polygonal face normal calculation code? Any language will do, I'll port it to make it work. Even if you find some code in a 3d game engine and post it here I'll be more ...
33
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4answers
22k views

Vertex Array Object (OpenGL)

I've just started out with OpenGL I still haven't really understood what Vertex Array Objects are and how they can be employed. If Vertex Buffer Object are used to store vertex data (such as their ...
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0answers
227 views

Simple project - make a 3D box tumble and fall to the ground [duplicate]

Possible Duplicate: Resources to learn programming rigid body simulation Hi guys, I want to try learning rigid-body dynamic simulation. I have done a fluid and cloth simulation before, but ...
4
votes
3answers
2k views

Collision detection of convex shapes on voxel terrain

I have some standard convex shapes (cubes, capsules) on a voxel terrain. It is very easy to detect single vertex collisions. However, it becomes computationally expensive when many vertices are ...
4
votes
7answers
442 views

Why doesn't it seem to be any development in the field of 3D VR gear, especially with regard to gaming?

I remember that way back around 1995, there was this big craze with VR in the media, a whole bunch of (mostly mediocre) games labeled as "virtual-reality-interactive-movie (...)" were published. If I ...
5
votes
2answers
2k views

How can I render text above a mesh in DirectX 9?

I want to render some text over a mesh in my DirectX app. It will have a similar application to health bars for units in games, just as text rather than a bar. I'm looking for the simplest way to do ...
12
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2answers
754 views

Are any 3D-design skills required for game development?

God knows I am no graphics designer! Aside, I'm a good developer with much experience. So, my quesiton is the following: Are any 3D-design skills required for game development? If no, how to write ...
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2answers
187 views

having problems while rendering in Maya 2008 [closed]

I am having problems while rendering in Maya 2008. 1 frame is taking 1 hr. My 5 computers have config of : core i3 , 1 gb ATI radeon graphics card, 8 GB Ram. OS: win Xp pro 32 bit. I am giving ...
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votes
3answers
2k views

How do you make Direct3D work in a browser?

I've come across games that are 3D that are playable in a browser. They require a plugin to be installed to work. I guess the plugin creates a D3D window inside the browser. How would I go about ...
7
votes
3answers
6k views

How do I fix this weird lighting problem?

I'm making a small game in Unity, and some models are displaying very ugly shading. The shading usually looks funky along the edges between triangles. I'm pretty new to working in 3D; I bet this is ...
2
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1answer
6k views

Translate object in world space usings it's local rotation

I'm using Three.JS to render some objects. I'm struggling with some very simple object rendering and translation. The scenario is that I spawn an object at 0,0,0 in world space with 0,0,0 rotation. ...
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votes
1answer
214 views

Retrieve the coordinates of the *occluding* (closest/drawn) pixels during 3D overlap, using OpenGL?

Sorry if the question is not worded well, I'm a new to both 3D and OpenGL. How could I go about obtaining the 3D coordinates of the occluding object, at the point where occlusion is happening (i.e. ...
3
votes
2answers
358 views

What happens to allocated video memory when the program terminates?

Using OpenGL it is possible to load textures, buffer arrays, compiled shaders and more to the video memory. When a C++ program exits, heap memory that was allocated by it is cleaned. What happens to ...
3
votes
1answer
1k views

Ray-plane intersection to find the Z of the intersecting point

I have a rectangle in 3d space (p1, p2, p3, p4) and when the mouse rolls over it I need to calculate the exact Z of the point on the rect, given the mouse coordinates (x, y). Would a Ray-plane ...
6
votes
1answer
3k views

Ray Intersecting Plane Formula in C++/DirectX

I'm developing a picking system that will use rays that intersect volumes and I'm having trouble with ray intersection versus a plane. I was able to figure out spheres fairly easily, but planes are ...
2
votes
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 ...
3
votes
1answer
2k views

Where can I find Cinema4D for game development tutorials?

I started to learn Cinema 4D. I've noticed it's really easy to use for motion graphics, but I want to use it for modeling for games/realtime 3d engines. Before I used 3dsmax and it was easy to ...
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vote
2answers
703 views

How do I have to take into account the direction in which the camera is facing when creating a first person strafe (left/right) movement

This is the code I am currently using, and it works great, except for the strafe always causes the camera to move along the X axis which is not relative to the direction in which the camera is ...
9
votes
3answers
368 views

Is it a good idea to simplify a character-driven game engine to the point where it's unnecessary to learn scripting/programming?

I remember, and I still think, that one cannot even make a prototyped 3D game to test just simple behaviors without using gigantic tools like unity or knowing extensive C++ programming, design ...
4
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1answer
1k views

Obtaining a world point from a screen point with an orthographic projection

I assumed this was a straightforward problem but it has been plaguing me for days. I am creating a 2D game with an orthographic camera. I am using a 3D camera rather than just hacking it because I ...
6
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3answers
5k views

Why / how does XNA's right-handed coordinate system effect anything if you can specify near/far Z values?

I am told repeatedly that XNA Game Studio uses a right-handed coordinate system, and I understand the difference between a right-handed and left-handed coordinate system. But given that you can use a ...
3
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1answer
7k 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 ...
4
votes
1answer
387 views

3D Camera Problem

I allow the user to look around the scene by holding down the left mouse button and moving the mouse. The problem that I have is I can be facing one direction, I move the mouse up and the view tilts ...
16
votes
3answers
11k views

What exactly is UV and UVW Mapping?

Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
2
votes
2answers
1k views

algorithm to “explode” mesh

i have a simple triangle mesh which i want to explode. so i am looking for an algorithm that makes every triangle to move outwards from the centerpoint. is there already something premade like this? ...