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

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2answers
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Displaying possible movement tiles

What's the fastest way to highlight all possible movement tiles for a player on a square grid? Players can only move up, down, left, right. Tiles can cost more than one movement, multiple levels are ...
0
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1answer
3k views

3D Graphics Engine for Ruby on Rails [closed]

I've had a good few months of experience with Ruby on Rails, creating my own CMS system, a social network and even a VOIP enabled answering phone machine. I'm also an established 3D modeller, and what ...
1
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1answer
379 views

Need help with a complex 3d scene (using Ogre and bullet)

In my setup there is a box with a hole on one side, and a freely movable "stick" (or bar, tube). This stick can be inserted/moved through the hole into the box. This hole is exactly as wide as the ...
2
votes
1answer
806 views

Negative scale in Matrix 4x4

After some rotations and to from quaternion conversions I get negative scale from Matrix 4x4, is it possible? I need that scale to draw sprite on screen so I get sprite flipped, how to deal with this ...
2
votes
0answers
119 views

UDK Modular construction (customisable vehicles etc)

I'd like to build an interface whereby the user can attach various components and blocks onto a vehicle, this is then saved (as object/coordinate, rotation, scale values - in database) and can be used ...
-2
votes
1answer
193 views

Creating a simple 3D view of a galaxy [closed]

What would be the easiest and most maintainable way to create (or use an already existing technology) a sort of Google Maps in 3D for a galaxy? Its not the main focus of my game, but I would like it ...
1
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0answers
256 views

How can I implement collision for a “pseudo-3D” game?

I'm looking for high level implementation details, not specifics. I've worked with bounding boxes before in some 2D games, but I'm currently tackling a "2D + depth" (2.5D?) style game along the lines ...
0
votes
1answer
126 views

OBB collisions in Buildings

So I decided on using OBB as the main collision detection in my 3D game but I started to wonder how OBB can be used to detect collisions if a player is in a building, an object you can walk into. ...
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votes
1answer
116 views

Cannot get 3D mouse coordinantes [closed]

I'm using viewport.project() to find my mouse position in 3D space. I have my projection, view and world matrices defined in the same area that they are used to draw the model. Code is below: NOTE: ...
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votes
2answers
528 views

XNA moving towards 3D point, RTS style

I looked around to see if this question had already been asked- maybe it has, maybe it hasn't, I don't know. I'm trying to make a 3D RTS game. Right now we're trying to get the basics on the table. ...
-1
votes
1answer
757 views

How to open .lmesh and .lanim files? [closed]

I try to open league of legends models using Blender, but I don't know how to handle .lmesh and .lanim files. These files are located in here: http://static.lolking.net/shared/mv/
14
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2answers
4k views

Why is 90° horz / 60° vert the default FPS Field of View?

As far as I understand it, vertical Field of View should be adjusted to: fov = 2 * arctan(0.5*screenHeight / distanceEyeScreen); That is, Field of View should match a user's distance to and size of ...
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votes
3answers
263 views

Is it possible to use industrial models in games? [closed]

Now days major of models in games only have outward appearance. E.g. autocars in action games usually have chassis, shell, tires. Some of them also have seats designed. But rarely one has engine, ...
1
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1answer
2k views

What can i use as a 3d Tile map editor? [closed]

I need to make grid based levels with 3d models for a dungeon crawler ( as a recent example Legend of Grimrock), but i need to have several layers and place entities with properties and position, ...
6
votes
3answers
3k views

How to texture a surface generated by marching cubes algorithm?

I'm working on a voxel game, and I have some problems with texturing. I have read the related questions on this stack exchange, but they seem adressing a generic problem (using triplanar texturing), ...
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votes
1answer
226 views

How to use D3DXIntersectTri function to find intersected point?

How to calculate direction for D3DXIntersectTri function to find intersected point? And after getting the result in Distance how to get that coordinate(XYZ)?
2
votes
0answers
1k views

Converting Mouse Coords to 3d coords with Camera position [closed]

So I've looked at all the answers I can possibly find, and nothing seems to fit what I need exactly (because im bad at math). I'll explain what I have thus far: A camera with x,y,z, Pitch and Yaw ...
5
votes
2answers
1k views

3D models on 2D tilemap perspective when scrolling

I am creating a small top-down game, where the player traverses a 2D tilemap, with an illusion of depth provided by 3D models for things like buildings or trees. Having gotten to the point where I ...
1
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1answer
96 views

How to calculate the distance between a Vector3 and a (3D polygon triangle)?

How to calculate the distance between a Vector3 and a (3D polygon triangle)? for example : " float DistanceToTrianale( Vector3 pos, Vector3 Edges1, Vector3 Edges2, Vector3 Edges3) thanks in advance
2
votes
1answer
151 views

transformations of matrices

I'm in the process of reading up on 3d matrices and trying to following this powerpoint and had a few questions as to how to exactly determine the type of transformation from a matrix. If I have a ...
2
votes
1answer
265 views

Wander algorithm for a maze [duplicate]

I am making a multiplayer coop FPS game. I have created the first monster with it's AI. I have worked out the A* algorithm for the level based on the triangles of the walkable mesh. So I can already ...
4
votes
2answers
4k 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
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2answers
271 views

How to rotate one object around another moving object in 3-d?

i was wondering if anyone could give me some advice on how to rotate one object around another moving object. After a bit of googling i found some code on another website that worked perfectly but it ...
2
votes
0answers
393 views

Displacement Mapping opengl-es [closed]

I need to do an application similar to this Morfo. And I posted a question here where the answer states the solution is "Displacement Mapping" . And I googled this to do it in opengles. I couldnt get ...
2
votes
1answer
1k 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 ...
1
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4answers
363 views

Can I transfer C# coding I do in Unity for practice to another 3d engine?

If I use a C# coding in Unity 4, can I transfer that coding into another non-Unity engine as long as it accepts C# too? I hope this question makes sense. Thank you in advance.
1
vote
1answer
93 views

Is there a good comprehensive walk-through of deriving the math for 3D model rendering that starts from scratch? [closed]

I'd like to fully understand the math of rendering a 3D model in a 2D perspective. I always find tutorials that are in terms of the APIs used to do the math for you, and not the math itself. I'd ...
1
vote
1answer
203 views

A controlled trapezoid transformation with perspective projecton

I'm trying to implement a controlled trapezoid transformation in Adobe Flash's ActionScript using the built-in perspective projection facility. To give you an idea of how the effect looks like: http:/...
1
vote
0answers
320 views

Moving an object (pong paddle) along the x,y axis in 3d-space with mouse/touch

First of all: Sorry, my English isn't quiet good, I'm very new in 3D and I'am using JMonkeyEngine. What I would like to do?: A 3d pong game and I want to control the paddle with the mousecursor and/...
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votes
1answer
123 views

Android Game an [closed]

I want to develop an android game (3D/2D).. and I don't have any knowledge about android app development. So can you suggest some helpful and understandable resources like video tutorials or head ...
4
votes
1answer
563 views

UDK: Animating characters with weapons

I imported a custom character and a pistol model to UDK and both work, but the pistol doesn't appear with the animation of the pistol when I shoot or reload... Also, the character doesn't change its ...
0
votes
1answer
173 views

Changing textures on a Model messes up antialiasing? (XNA)

Here is a code sample: blockModel = game.Content.Load<Model>("Models/Cubes/Cube"); //this is a .fbx file, made in blender absoluteBlockTransforms = new Matrix[blockModel.Bones....
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votes
1answer
178 views

XNA 2D Particle in 3D world [duplicate]

Is it possible to make 2D-sprite particles in a 3D world that always face towards the camera?
1
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0answers
92 views

iSGL3D Occlusion Culling

I was testing a cool 3D Scene Graph Library called iSGL3D. Since I found some functions called alpha culling for displaying partly hidden objects (making the ones in front transparent). I was ...
0
votes
1answer
148 views

GLES2 rendering performance for different iPad generations

I'm using C++/GLES2 for iPad only (no iPhone). The only device I own is an iPad2 and I do not plan to support iPad 1. Can anyone help me understand realistic goals/limits on iPad 2/3/4 in terms of ...
-1
votes
2answers
212 views

3D turret tracking in XNA 4.0 [duplicate]

I've beeen going through Reimer's flightsim tutorial and wanted to expand it by adding anti air turrets shooting at the ship. Im still new to programming in c# and xna and also a bit horrible in maths ...
2
votes
2answers
385 views

Is there a 3d animation software that prioritizes working with code rather than GUI? [closed]

All of the 3D animating softwares I've faced are centered around using GUI to work: windows, menus, mouse clicks, mouse adjustments, keyboard shortcuts. As a programmer, I find that limiting. In order ...
-3
votes
1answer
254 views

Which way to go after C++? [closed]

I have 2 years learning C++ and created an RPG text-based game lately. Everything I have done so far was about pure C++ and the console, with the exception of a game in Allegro 5. Now I want to start ...
0
votes
1answer
677 views

How to make a cube mesh and texture for XNA use?

I have a very specific question which I feel should have a very short answer, but which I can't seem to find despite Googling on and off all day. I'm trying to start with 3D graphics, and I read up a ...
11
votes
3answers
1k views

Algorithm to see if two voxels are interconnected

I'm looking for a good algorithms for the following problem: Given a 3D grid of voxels (which may be either empty or filled), if I pick two non-adjacent voxels, I want to know if they are connected to ...
1
vote
1answer
218 views

Speech recognition and AI in language learning platform [closed]

I work for a publishing company that is looking to create an online virtual environment for English Language Learners. We are keen to create something immersive (virtual 3D world) through which the ...
2
votes
2answers
529 views

Why does handedness matter at all?

I'm really trying to understand this from a mathematical viewpoint. After all, numbers are numbers, the chirality or handedness depends on how one interprets it. Say I've three basis vectors x (1, 0, ...
1
vote
2answers
529 views

Accumulating rotations for camera

It seems there are three ways to store a camera's rotation: in angles, view matrix or quaternion. I was using euler angles since when I used a matrix it had a tendency to accumulate rounding errors ...
0
votes
1answer
11k views

Unity: OnCollisionEnter not called

I created a sphere object, added a rigidbody component (no kinematics) and attached a script to it like this: function Update () { } function OnCollisionEnter(collision : Collision) { Debug....
2
votes
1answer
378 views

Moving an object toward another object on sphere knowing their quaternions

I have a sphere centered in world origin. On the sphere surface I have two objects and I know their quaternions (rotation around sphere). Currently my movement works on Vector2 inputs (cannot change ...
0
votes
1answer
766 views

Stars coming out of screen [closed]

I am pretty new to Graphics Programming. I am currently using OpenGL. I have got some hands-on in last few days. I have knowledge of Texture Mapping, Cubemap, Multitexturing. But somehow I am not able ...
2
votes
1answer
386 views

Get intersected volume of two planes in 3D

I'm working on AABB - AABB collision response and I'm having trouble figuring one part out. My situation is as follows (see image). I have a player AABB (blue) and an object which collides (brown). ...
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votes
1answer
425 views

3D Character Development [closed]

First and for most. I do have a fair amount of experience programming. I have experience with many programming languages and I have taken a few courses in computer science. I have development some ...
1
vote
1answer
137 views

Movement constrained to the faces of a cube

The basic setup I'm working with is a cube rendered in-Engine (Panda3d, although I only am looking for a generalized solution) as well as a 2d square on one face of the cube. The eventual outcome I'm ...
2
votes
2answers
836 views

How to make a Unity3d program/plugin and publish it on Asset Store?

I want to make a plugin for Unity3d, like TornadoTwins's FPS Control. How can I do that? I already have Visual Studio 2010 installed.