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

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0
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0answers
76 views

Generate complex (non-convex) polyhedron UV mapping

I need to find an approach to the problem of generating texture maps for non-convex polyhedrons without using a design tool like Maya. Specifically, I am mapping simulation results data onto a 3D ...
3
votes
2answers
19k 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 ...
0
votes
1answer
271 views

Collisions and camera tilt in XNA C# 3D Game [closed]

I am working on a game programming class project and need some help. I cannot find a good tutorial on how to get these 3 frictionless spheres to collide with each-other, the surface and the walls of ...
2
votes
1answer
117 views

How to move on a mesh?

I am working on my collision system right now and I wondered how you can actually walk on a mesh. For example I'm thinking about a dynamically created little village and I want to be able to move the ...
0
votes
1answer
139 views

Performance of XNA 4,0 static vertex buffer / VertexPositionNormalTexture in F#

Good afternoon, I have been toying with the VertexBuffer in XNA just to see what it is capable of. I have done some very minor 3D work in the past, so the concepts are not completely foreign to me; ...
0
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0answers
61 views

Collision detection - relative distance

Assume an object move toward a polygon board in 3D field . In order to detect whether the object collide in the board , according to the lecture notes of my Computer Graphics Course lecturer - it ...
3
votes
1answer
211 views

Changing weapons on a model?

How would you have 1 soldier model and then change the weapon depending on what class is chosen without having to load all the weapons at once and without having to load a new soldier for every ...
-1
votes
1answer
336 views

How do I programmatically animate a .obj model?

I am developing on Qt, I have tried translate and rotate an .obj model. I would like to know is there any possibility to do programmatically animate in Qt.
3
votes
2answers
307 views

What is the range of RAM consumption for the typical 3D character in a video game?

What is the average number of KB in memory for a 3D character? Granted, this will obviously be biased based on what game we're talking about. However, I am less interested in actual size in KB, and ...
0
votes
1answer
109 views

Dynamic Shapes and dynamic animations

I saw this video: Video And now I am curious about the following: How can you achieve dynamic forms like they are shown in this video. What I mean is: Do you need to have some "base" models which can ...
0
votes
1answer
64 views

Maya 3d view port issues

Hi currently i am working on modelling an object within view port, but i have issues here. On my right panel view port, when i try to alter an vertex of an cube i'm getting an 3d effect similar like ...
1
vote
2answers
259 views

What is the camera direction vector for an isometric view?

What values correspond to a 3D vector for screen-normal from within an isometric game? It needs to be in game coordinates. It is a standard isometric where tiles are rotated 45 degrees and half ...
1
vote
1answer
117 views

“retro”-look in 3d-XNA-game

In my XNA-4.0-game (which somehow is a bit like MineCraft), I have got some big cubes with small textures (16x16px) on it. By default, XNA just scales them up smooth so there aren't any hard borders. ...
2
votes
1answer
121 views

How check if an arbitrary given mesh is a single closed mesh?

I'm building a space game where it is allowed for the player to insert his own mesh to be his spaceship. The problem I'm facing is that a ship must be a Polygon Mesh. The player will then be able to ...
1
vote
1answer
449 views

how to make cross platform 3d games using modern opengl? [closed]

How to create games that run on windows, Linux, mac os x, android, ios, wp8 etc.... using c/c++, opengl 3 or 4 and opengl es 2.0. any tutorials or videos on how to create cross-platform 3d games.
21
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6answers
3k views

Are there any open source or free 3D modelling/animation tools that are widely used by indie game developers?

I have tried out Blender and Milkshape 3D, but my question is mainly asking if there is any 3D animation/modelling software that is open source, free, or has an indie license available that is widely ...
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votes
1answer
67 views

Creating and drawing models efficiently

As I am learning the basics of game programming (in xna), I want to start creating simple 3d models and draw them (I'm already able to draw, control and animate them). I want to create the following: ...
2
votes
1answer
531 views

JMonkeyEngine in Eclipse

I wanted to try the JMonkey engine, so I downloaded the JMonkey sdk, but I don't want to work in the JME IDE, I would rather like to work with Eclipse, since I already started a game project there, ...
-1
votes
1answer
277 views

Android OpenGLES 2 ray picking, resulting coordinate jumpy in certain spots?

I am trying to implement object picking based on touch coordinates via an intersecting ray test. I am having trouble finding information on converting the touch coordinates to the coordinate system ...
1
vote
1answer
500 views

Moving bounding box in 3D using Libgdx

How do i go about moving a bounding box in libgdx? I want to make the bounding box capture my character and move with him. So ideally i want to be able to copy my vector 3 from my model instance and ...
-2
votes
2answers
181 views

How do I make a game that can transition from 2D to 3D?

My plan is to start from an really old game and build my way up to todays graphics and games. So for example start with Pong and then go to Space Invaders, then go to Zelda and Super Mario. But then I ...
1
vote
1answer
332 views

What is the logic behind a 3D Projection 'Camera Perspective'? [closed]

Suppose I had a 3D Cube on a 2D plane (screen). And I wanted to use the keypad to move and rotate it. Without referring to a 3D Game Engine that could do this for me can you explain me the logic or ...
2
votes
1answer
135 views

Edges drop out when rendered at a long distance

I have this weird effect when rendering small objects at a long distance. I already tried using anisotropic filtering but maybe I am not doing it right. Material script: material Platform/Border { ...
1
vote
1answer
77 views

Variable sized cube texture stretching problem

I have a 1x1x1 cube made in Blender with a simple UVW mapping. It represents a 3D platform of variable size. The thing is that this cube gets resized a lot, and I want to draw a "border" of a ...
1
vote
1answer
99 views

How to render models using a personalized projection matrix?

I'm creating a game with a great sprite demand. Out team is considering automatizing the sprite generation using 3D models. The problem is we have a very particular ortographic projection: We have ...
11
votes
8answers
14k views

Love2D engine for Lua; What about 3D? [closed]

Lua has been really awesome to learn, it's so simple. I really enjoy scripting languages, and I had an equally enjoyable time learning Python. The Love engine, http://love2d.org/, is really awesome, ...
0
votes
1answer
188 views

Collision Issues

When I run the collision code, there are no errors, but when I shoot the enemy nothing happens..... Any problems that are blindingly obvious? Class Level Variables public Model model { get; ...
0
votes
1answer
77 views

How to rotate the camera to point to a specified location?

I have a quaternion based camera class (which controls a view matrix) and would like a function to rotate the camera to face a specified point. The best approach I can come up with is that I rotate ...
8
votes
5answers
2k views

3D Illusion of a 2D Planet Texture

Several years ago I overheard a technique that gives the user the illusion of a rotating planet by using a 2D texture. Given that the user isn't able to change its position or viewport. What's the ...
2
votes
0answers
204 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
votes
1answer
194 views

3d Wall sliding collision

I'm working on collision for walls in my game and the way I currently have it I get stuck walking into a wall. I'm trying to make my character slide on the walls but still collide. My character moves ...
5
votes
2answers
491 views

How do collision meshes work in games like Zelda on the N64?

I was recently reading about the technology of Ocarina of Time/Majoras Mask and discovered that world collision is done using a single triangle mesh (vertices, normals, etc) for an entire area. There ...
3
votes
2answers
2k views

Where to attach global scripts in Unity?

As far as Iknow in Unity, every script must be attached to an object. But what is the case with global scripts? For example in a tetris-like game to which object should I attach the element spawner ...
1
vote
1answer
63 views

Export object or scene with textures

Is there a way to export or publish some work to a folder so somebody else can open the .max file and does not have to reassign all the textures again? My problem is that i used lots of textures ...
1
vote
1answer
332 views

jMonkeyEngine Pros and Cons

I want to know some good reasons to use jMonkeyEngine for a Java 3d game development tool instead of just creating a game with LWJGL myself? I want to know a good reason I should choose this tool. ...
4
votes
1answer
184 views

What is faster — full size with AA or reduced to screen size with no AA?

I wonder what is less expensive resource-wise: Drawing a usual modern 3D game scene with some geometry at 100% scale, with some AA; Drawing a downscaled scene (to fit the screen, but originally a ...
1
vote
2answers
351 views

How to check for cube collisions?

I want a method, which takes two "ObjectBox" objects (A "ObjectBox" has .getX() .getY() .getZ() .getSizeX() .getSizeY() .getSizeZ() methods) as a parameter and return true if the two Boxes are ...
0
votes
0answers
105 views

Is JavaFX suitable for making 3D games? [duplicate]

JavaFX has 3D graphics capitabilities. Is it possible to create 3D games with it?
12
votes
3answers
583 views

What caused “falling out of the world” and what fixed it?

A lot of early 3D games had the problem where you'd be trundling merrily along and suddenly everything was black, with an island of what looked like the hollow facade shell of the scene you'd been ...
3
votes
1answer
189 views

Collision detection in games in 3D - edge to edge cross product

I am having trouble understanding why, in a game collision detection, separating axis determination requires checking for the cross product of edges of the two polytopes as additional potential ...
4
votes
4answers
730 views

Face-Click Detection ( like in Minecraft )

I am working on a box-based game engine like minecraft and I was wondering how to detect the "clicked face" when placing blocks. I have created this engine in C++ ( DirectX / D3D ), C# ( XNA ) and ...
2
votes
1answer
216 views

How to correctly represent a bone system?

I'm currently representing my bone system as follows, in pseudocode: root = {} root.rot = v3(0,0,0) root.pos = v3(0,0,0) function create_child(parent,rot,length): child_bone = {} ...
0
votes
1answer
216 views

Normalizing the direction to check if able to move

i have a a room with 4 walls along the x and z axis respectively. My player who is in first person (therefore the camera) should have collision detection with these walls. I'm relatively new to this ...
0
votes
0answers
49 views

C++, Direct3D - Creating mesh from texture [duplicate]

I am making a game similar to Minecraft. I want to create the mesh for the tool held in the players hand (e.g. a pickaxe). I have a texture for the tool which is 32x32 pixels and I want to be able to ...
0
votes
1answer
106 views

Tangent basis calculation problem

I have the problem with seams with calculating a tangent basis in my application. I'm using a seems to be right algorithm, but it gives wrong result on the seams. What am I doing wrong? Is there a ...
1
vote
0answers
74 views

Rotate view matrix based on touch coordinates

I'm working on an Android game where I need to rotate the camera around the origin based on the user dragging their finger. My view matrix has initial position of sitting on the negative z and facing ...
0
votes
1answer
128 views

Using a Vertex Buffer and DrawUserIndexedPrimitives?

Let's say I have a large but static world and only a single moving object on said world. To increase performance I wish to use a vertex and index buffer for the static part of the world. I set them ...
1
vote
2answers
194 views

What am I missing? (Converting 2D mouse coords to 3D space)

I'm making a networked game which has a birds-eye view and I'm trying to convert the 2D mouse coordinates into 3D space. Right now I have a perfectly flat grid and it intends to remain perfectly flat, ...
0
votes
1answer
927 views

Parsing Blender obj with Opengl And C++

I wrote an example attempting to parse blender *.obj file in OpenGl/C++ , to get it done : I have to open the file, exploding it's lines ...and returning the result. This is how the shape.obj file ...
0
votes
3answers
581 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? ...