Refers to games or art assets built in a three-dimensional space, where all positions have X, Y and Z coordinates.

learn more… | top users | synonyms

1
vote
1answer
198 views

Quick 3D sight calculation algorithm

I have a tile based board game where units move in 3D space on a 2D isometric view. When calculating attack tiles for a unit, how do I verify that they aren't shooting through a wall or a level too ...
5
votes
2answers
858 views

Is the “impossible object” possible in computer graphics?

This may be a silly question but I want to know the answer to it. I saw this thing called the "impossible object", while they're many different images of this online, it's suppost to be impossible ...
0
votes
1answer
88 views

What values to construct “Projection Matrix” from?

I am curious to what standard values I should use to create a camera's projection matrix, as well as if certain measurements need to be taken if I want to represent a very small world or a very big ...
0
votes
2answers
892 views

Screen or World Coordinates to tile Coordinates

I have Plane made of tiles in opengl. I start drawing them at (0, 0, -20) after that i do my translations so that the view is rotated somewhat similar to an isometric (kind of) perspective. I'd now ...
3
votes
2answers
209 views

Extract smaller frustum from camera frustum?

Background: I was thinking of implementing multiselection by performing a frustum culling on a sub-part of the screen. Problem: Given total screensize, a rectangle on the screen (pos, size), and ...
1
vote
0answers
115 views

How do I remove control points from imported curve in Maya?

When I create a path from an Illustrator file, it adds extra control points for bezier handles for each point in the AI file, even though I don't drag out the handles in Illustrator. All my points in ...
1
vote
1answer
1k views

Best way to go with 3D dungeon crawler generation [closed]

I'm trying to prototype a little 3D dungeon crawler. That is, the same system as any rogue-like : A map with little rooms, linked by hallways. But in 3D. The world is still in blocks, but I can go ...
-1
votes
1answer
469 views

Simplex noise 3d map generation [duplicate]

I've just started learning 3d stuff and want to make minecraft clone, cause cubes are easy ( I hope ) :) Arleady wrote chunk creation, menagement and displaying and want to generate nice terrain, but ...
3
votes
1answer
249 views

Matrix represents same rotation with different euler angles

I have Transform component storing it's rotation as Quaternion. Transform has set/getEulerAngles (rotation order oy, ox, oz). I want to rotate object in any direction but while testing I get ...
7
votes
2answers
600 views

How to define areas filled with water?

I would like to enhance my little game engine with nice looking water simulation. To start working on that I need to find a proper way to represent water in the game. Unfortunately I don't know much ...
1
vote
2answers
620 views

How do I create a “flying through space” effect?

On the Final Destination stage in Super Smash Bros Brawl (and SSB Melee) the players fight on a platform seemingly moving through space: I see particle effects, but I don't understand how they made ...
1
vote
1answer
1k views

Drawing in 3D with LibGDX

Is there any way to simply draw in 3D, just like you would draw with ShapeRenderer or SpriteBatch? All I want is to draw circles that are in x.y.z coordinates, so some circles are far away from view ...
1
vote
1answer
138 views

3D Camera raytracing (PSM SDK) [duplicate]

I am currently creating a 3D Camera on the Playstation Mobile SDK (which is basically openGL with just a little bit of abstraction). The game I am trying to make is a 3D Tactical. That means my world ...
2
votes
0answers
235 views

How can I use Cinema 4D models in Android and iOS games? [closed]

How can I convert Cinema 4D animation or models to use in games for Android and iOS SDK?What kind of format is required for developing games for these platforms? If I make a dancing character, do I ...
1
vote
0answers
53 views

Blender: calculation of elevation and rotation angle from plane

I have a generic plane (any location, any rotation around every axis) with its normal axis passing by the center. Then I have a generic point and I need to find the elevation and the rotation angle ...
3
votes
1answer
503 views

Rotating and Translating a Node in Horde3D with Matrices and Quaternions

I have been trying to learn how to use the Horde3D rendering engine for the past couple of days, and so far I have managed to learn a decent amount and integrate Bullet Physics with it as well. My ...
0
votes
3answers
627 views

Is it legal to reuse a 3D model as long as it has a new texture?

If I create a 3D model and texture for a client, say a house. Can I reuse that same 3D model, but apply a new texture and then legally use that in my own game? Is that enough of a difference? ...
1
vote
1answer
232 views

XNA draw 3d graphics in 2d game

I am programming a simple pool game in XNA. I am using Farseer for simple 2d physics but I want to use 3d graphics. My problem is I can't get the rendering to work. I have one model for the ball and ...
1
vote
1answer
182 views

Books on layout and space sequencing in game design

I'm currently looking into level design books. So far I've read two, The How's And Why's of Level Design and the Ultimate Level Design Guide. While both were useful they did not discuss layout and ...
-3
votes
1answer
157 views

What are some common 3D modeling tools? [closed]

I'm horrible at 3D modeling but I want to get better. Now the problem is that I have yet to find a good program that's easy to use. I want to be able to find one that's not just easy but also not ...
8
votes
1answer
3k views

Is there any game engine capable of true binaural positional 3D audio? [closed]

I am by no means a game designer, so I apologise in advance if I fail to use the proper jargon. Feel free to correct my mistakes. My understanding is that, at the moment, in most if not all ...
2
votes
2answers
176 views

How scanline rendering finds an intersection with an object

I'm a newbie with graphics and after I read many articles on the web I still don't understand how in rasterizing from a pixel coordinate like (0;0) on the screen the intersection with an object (let's ...
-1
votes
1answer
321 views

Generating a grid of cubes in 3D space [closed]

I am trying to generate a grid of cubes in 3D space and It aint workin... All im doing is for looping YXZ (in that order) (nested for loops) then im doing cubes[x][y][z] = ... (new Location(x,y,z)) ...
0
votes
1answer
122 views

How are the following 3D effects mocked in Myst 4? (link)

Superficially, I thought 'all' that would be required to make a myst style game would be to place the camera inside a 3D sphere, with the sphere's inner surface textured with an ...
1
vote
2answers
563 views

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 ...
-1
votes
1answer
1k 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
vote
1answer
354 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
371 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
102 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
142 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
vote
0answers
211 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
106 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. ...
-2
votes
1answer
107 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: ...
-1
votes
2answers
370 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
380 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/
13
votes
2answers
2k 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 ...
-2
votes
3answers
255 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
vote
1answer
1k 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, ...
5
votes
2answers
986 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), ...
-2
votes
1answer
133 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
517 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
751 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
vote
1answer
86 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
127 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
164 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 ...
3
votes
2answers
1k 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
2answers
145 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
273 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 ...
1
vote
1answer
354 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 ...
2
votes
4answers
315 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.