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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2answers
527 views

getting bone base and tip positions from a transform matrix?

I need this for a Blender3d script, but you don't really need to know Blender to answer this. I need to get bone head and tip positions from a transform matrix read from a file. The position of base ...
1
vote
1answer
281 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 ...
0
votes
0answers
295 views

How does one convert dummies to bones in 3DS Max 2010?

I have a character's .max file. To get the animations into the game I need to have bones, export a .3ds file and then load it into one of the game tools provided by the developers to tweak some stuff ...
0
votes
1answer
123 views

How can I get my Android camera system working more like Google Earth's? [duplicate]

I'm implementing a touch screen interface whereby the user dragging their finger on the screen will rotate the camera in a sphere around the central point. My code works well for the horizontal swipe ...
0
votes
4answers
1k views

Which tool can convert a Torque .dts file? [closed]

Into a more common 3D model format such as 3ds, max, or obj. I know that it is possible (someone did it for me but won't tell me how). There's a tool called Shaper that looks like it could do it but ...
5
votes
3answers
1k views

fast 3d point -> cuboid volume intersection test

Im trying to test whether a point lies within a 3d volume defined by 8 points. I know I can use the plane equation to check that the signed distance is always -1 for all 6 sides, but does anyone know ...
0
votes
1answer
635 views

Is there a way to create a sky-sphere instead of a skybox in Unity3D?

In a 3D game, how can I make a sky background seen at the horizon? I tried adding a texture to the skybox but since it's a box it looks horrible. When I'm not using a texture it's not notable that it ...
8
votes
1answer
630 views

what is world space and eye space in game development?

I'm reading a book about 3D stuff and OpenGL. The book often talks about world space and eye space. What exactly is the "world space?" Does the "eye space" mean the projection?
8
votes
2answers
574 views

What are some ways to texture map a terrain?

I'm working with XNA on a 3D Game, and I'm trying to have a proper and nice environnement. I actually followed a tutorial to create a terrain from a heightmap. To texture it, I just apply a grass ...
3
votes
1answer
230 views

How to test a 3D rendering engine? [duplicate]

Me and some friends developing simple 3D rendering engine as practice for the university. We used Ogre 3d as prototype and now we are developing it from base The engine is wrapped up in simple game ...
1
vote
2answers
3k views

Collision detection - Smooth wall sliding, no bounce effect

I'm working on a basic collision detection system that provides point - OBB collision detection. I have around 200 cubes in my environment and I check (for now) each of them in turn and see if it ...
1
vote
1answer
63 views

Models not rendering when far away

I am making a game where objects are represented by colored cubes. I have files that mark the location and rotation of the cubes. I've been using Processing's 3D library and the cubes disappear within ...
5
votes
2answers
835 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 ...
4
votes
2answers
393 views

Is it possible to create an “impossible” rooms in games?

Forgive me my lack of knowlegde, but for quite a long time I asked myself whether it was possible to create a continous game space that some player could walk inside and so on, that would be ...
0
votes
1answer
172 views

XNA ModelMesh.Draw vs GraphicsDevice.DrawIndexedPrimitives

I am using XNA 4.0 and I wonder if drawing models with multiple meshes is better by filling the vertex and index buffers first and calling GraphicsDevice.DrawIndexedPrimitives() or by simply using ...
8
votes
2answers
388 views

Diagonal line of sight with two corners

Right now I'm using Bresenham's line algorithm for line of sight. The problem is I've found an edge case where players can look through walls. Occurs when the player looks between two corners of a ...
0
votes
1answer
2k views

How to opitimize Shadows in Unity 3D

I made the shadow of Solider in my game using Unity pro shadows feature. http://docs.unity3d.com/Documentation/Manual/Shadows.html The performance of my game becomes very slow after adding these ...
1
vote
2answers
192 views

General visual effects to meshes/entities

I am trying to add some visual effects to some entities, meshes, or whatever you want to call them as they are looking pretty dull in my game right now. What I want to achieve is this: ...
0
votes
1answer
281 views

What is required for casting shadows in JavaFX 8 3D?

In a scene with an added point light the shapes are not casting shadows on each other. Is anything required to cause them to cast shadows?
5
votes
1answer
434 views

How can I create a 3D model in Java without using modeling software? [closed]

I am a lightly experienced game developer and this is my first time trying 3D objects in Java for the first time. I have been recently creating and updating games using AWT, Swing, and Graphics, but I ...
4
votes
1answer
407 views

Polygon count budget

Is there any smart way to think about polygon budget relating to PC gaming today? My game will have one static 3d background scene and two fighters. No more enemies. I am thinking about having ...
2
votes
1answer
602 views

Best practices of texture size

I wanted to know how should I determine a good texture size ? Currently, I always create UV texture that are 1024x1024px but if I create for example, a big house with a 1024px texture size, it will ...
8
votes
2answers
629 views

How do I choose the scaling factor of a 3D game world?

I am making a 3D tank game prototype with some physics simulation, am using C++. One of the decisions I need to make is the scale of the game world in relation to reality. For example, I could ...
1
vote
1answer
110 views

What is w componet [duplicate]

What is the W component on graphics programming. I read a blog about opengl that says that w must be equal to either 0 or 1 here. But the book I am currently reading has put w component to more than 1 ...
0
votes
0answers
53 views

3D Box Collision Data Import

I'm trying to implement a collision system using oriented bounding boxes, using a center for the box, it's extents as a 3D Vector and a rotation matrix, which is all stuff I picked up online and seem ...
3
votes
1answer
336 views

How to make Pokémon White 3D effect?

I just wondered how to create a 3D effect similar to Pokemon White/Black? It seems to be not polygon based, but created just with sprites. If the perspective changes the sprites stay sharp and don't ...
1
vote
2answers
505 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 ...
4
votes
3answers
673 views

Model in Maya looks strange, what went wrong?

I am modeling a tank and I don't know what key I've pressed, but now the object in Maya is looking very weird. Does anybody know how to solve this problem?
2
votes
1answer
169 views

First Person Camera strafing at angle

I have a simple camera class working in directx 11 allowing moving forward and rotating left and right. I'm trying to implement strafing into it but having some problems. The strafing works when ...
0
votes
0answers
225 views

JavaScript 3D space ship rotation

I am working with a fairly low-level JavaScript 3D API (not Three.js) which uses euler angles for rotation. In most cases, euler angles work quite well for doing things like aligning buildings, ...
1
vote
1answer
115 views

Automatically zoom out the camera to show all players

I am building a game in XNA that takes place in a rectangular arena. The game is multiplayer and each player may go where they like within the arena. The camera is a perspective camera that looks ...
0
votes
0answers
81 views

Triangle Clipping

I want to determine which part of a triangle is visible in a frustum in OpenGL, is there a way to get visible coordinates of triangle in the viewing frustum?
2
votes
1answer
154 views

Why is there high performance hit with many meshes?

I am currently reading upon Geometry Instancing, as I want to render a lot of animatable objects on the screen. However I have come to a more fundamental question first: Why do I even need to use it? ...
0
votes
1answer
180 views

OpenGL camera translate and rotate on cameras local axis

How can I make rotation and translation on a local camera axis in OpenGL? I want to make camera like "aeroplane" camera with a pitch yaw and roll. I want to have good explanation on everything! Can ...
2
votes
3answers
913 views

How do I get a Rigged 3D Model made in blender to display and animate on the iPhone?

I have a rigged model in blender of a man walking, I would like to know how to get this to display and animate on the iPhone and if their is a good free game library out their that lets me do it (even ...
0
votes
2answers
461 views

First person camera: problem

I have created a simple camera class, moved it from my C# (XNA) source to C++ for d3d. Commonly it is okay, but something is wrong with rotation. If i increase its pitch/yaw values, according to ...
1
vote
1answer
421 views

Correct rotation with Quaternion

I have some problems with a rotating marble. I've tried it with Matrix.CreateFromYawPitchRoll and Matrix.CreateRotation but there were some problems, I think it's due to the Gimbal lock effect. So, ...
4
votes
3answers
2k views

List of 3D libraries based on WebGL [closed]

Is there a up-to-date list of WebGL libraries or articals with comparison? Until now I heard only three.js and GLGE.
5
votes
2answers
580 views

How to generate portal zones?

I'm developing a portal-based scene manager. Basically all it does is to check the portals against the camera frustum, and render their associated portal zones accordingly. Is there any way my editor ...
17
votes
3answers
2k views

What's the difference between mesh and a model?

Which one is created first? For example if a team worked on a graphical asset of a car, what would be a model and what would be a mesh of the car?
-1
votes
1answer
78 views

Record new animation in Motion Builder

I was rigged a 3d character model using MotionBuilder software. now i want to record my own animation for this 3d model. im new for the motion builder and i was unable to find a good reference for ...
0
votes
0answers
93 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
22k 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
305 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
127 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
165 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
votes
0answers
66 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
246 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
623 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
428 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 ...