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

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4
votes
1answer
559 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
172 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 ...
-1
votes
1answer
170 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
vote
0answers
91 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
147 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
209 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
1answer
476 views

Python 3d game engine? 2013? [closed]

I saw another question from 2011 on this, but it's 2013 What's the best 3d Python game engine to learn? Good documentation, cross-platform, good community, continuing development? I looked at ...
2
votes
2answers
370 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
250 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
664 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
215 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
515 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
501 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
10k 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) { ...
2
votes
1answer
364 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
751 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
375 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). ...
-1
votes
1answer
416 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
135 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
827 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.
3
votes
2answers
2k views

AABB-AABB sliding collision response

I have many objects with AABBs and a player surrounded in an AABB. If I represent my player with a point everything works smooth with detection and wall sliding as a response (for example what wall ...
-2
votes
1answer
103 views

Help me debug my 3-d collision code [closed]

I have been havaing a problem doing 3-d collision in a game i have been trying to make for several weeks now. What i am trying to do is prevent a PlayerModel object from colliding with Obstacle(cube) ...
-2
votes
1answer
125 views

3d objects in binary files

Currently I have 11 3d spheres created at runtime in my application. The application runs well as it is, but I'm anticipating some garbage collection hiccups due to camera panning. Would performance ...
1
vote
1answer
149 views

UV Mapping Problems

I'm creating an alien in blender, doing my best to base it on the guys from toy story. When I create the UV Map and colour it, import it back in then take a look at it in a seperate window there is ...
1
vote
2answers
6k 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 ...
4
votes
1answer
496 views

Shadow artifacts caused by filtering

I'm working on a shadow-mapping implementation for an OpenGLES 2.0 environment (Stage3D in Flash to be exact). This is how my current implementation works: Render the scene to backbuffer. Render ...
1
vote
1answer
126 views

How do I export Daz3D characters into an XNA format?

How do I export 3D animated characters created in Daz3D studio to a format suitable for inclusion in XNA video games? I'm looking for instructions on how to make sure weight, bones, vertices and ...
-4
votes
1answer
492 views

Which sketch-to-3D-model software is available? [closed]

I picture this: I paint a 3dmodel from the front, side and top - more or less to scale. Then I take a photo of it and give it to the software. The software then tries to figure out which part of it ...
5
votes
5answers
783 views

Why is there such a problem to create realistic eyes in games? [closed]

I mean, even the latest demo from ps4 possibilities or any demo, you can see that the person is not real if there are eyes involved. E.g. if you only see the skin, you may be mistaken, but not if you ...
7
votes
2answers
727 views

How do I convert a 2D movement (from mouse) to a displacement along a 3d axis?

I'm making a small 3D scene editor (that only allow to modify objects positions). Each object is draw with a 3d X/Y/Z axis : How it works : user choose an axis (X, Y or Z) by left clicking on it, ...
1
vote
1answer
244 views

xna: Methods for having sprite characters in 3d game?

Methods for having sprite characters in 3d game? I am making a game much like Doom. The world is 3d but objects and characters are 2d sprites. I am not asking about billboarding objects. I am asking ...
17
votes
2answers
5k views

Best technique to create oldschool (fake 3D) racing game?

What would be a good approach to develop the render system for an oldschool type racing game that uses a pseudo 3D scenery, like for example Outrun or Lotus Esprit Turbo Challenge? There's an endless ...
1
vote
3answers
472 views

XNA seams between 3d primitives in tiled terrain

Every time I draw two primitives side by side, in this case two quads, I always get this seam-like tearing effect right along the sides of them. I'd like to think there is just an easy fix, but the ...
-1
votes
2answers
259 views

3D game demo in XNA [closed]

Does anyone know of a decent 3D game tutorial with source code? I'm really new with 3D development for XNA and have found that the best way to figure out how to code for something is to look at ...
2
votes
2answers
654 views

3D Collision Detection with XNA

So I'm trying to implement some collision detection in XNA. I'm aware of the Bounding Spheres, but I worry with the accuracy, most items in my game are cubic in nature, so it seems very square-peg in ...
7
votes
2answers
6k views

Where and how to check if game was developed with bought Unity3D licence (not cracked app)?

We hired an external team from Eastern country. They built our mobile game app using Unity3d which we paid a lot of $K. We asked them to only use the software with bought license, not cracked one, and ...
5
votes
2answers
412 views

Plotting entities on a radar

I'm trying to build a radar system like the one in the original X-Wing games. The way it works is that there are two circular radar systems, one for behind the ship, and one for infront. So, I've ...
5
votes
2answers
2k views

3D isometric depth sorting

How is it possible to depth sort tiles and objects in an isometric environments without any limitations? I've been researching this for a while now and there seems to be no publicly available answers ...
1
vote
0answers
243 views

How to create 3d picking ray with the cursor position

I'm new here and I'm not sure how to go about doing this. I am creating an application that is supposed to use the cursor's position in the window to perform 3d picking. The tutorials I have found ...
0
votes
2answers
149 views

XNA Game arhitecture, sharing vertices between objects

I'm practicing primitives rendering in XNA and I want to create something like pipe or tunnel. I have base class called PipeSegment from which I inherit classes like RotatingSegment and NormalSegment ...
0
votes
1answer
410 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 ...
3
votes
2answers
238 views

How does a point squared equal the radius squared?

I am working on a simple ray tracer but I don't understand some of the formulas. One that is bugging me at the moment is this: If a sphere is centred at origin, a point p lies on a sphere of ...
3
votes
1answer
330 views

How to approach skinning a snake made of cubes and is it right method for snake 3d game

I'm making a 3d snake game clone for studies and prettly much got everything to work, I have a 3d ground object surrounded by walls, and a snake head piece (cube). when you start the game 2 additional ...
0
votes
1answer
255 views

Making a point light follow the camera

I'm applying phong shading onto a single giant triangle, and I'd like the light's coordinates to coincide with the camera's coordinates in 3D space. In order to do this, whenever I update the camera's ...
1
vote
1answer
484 views

Indoor 3D game worlds

I'm looking for a little direction. I'm building a game engine as a part of my university project, and I'm having a little trouble about what to look for when it comes to indoor 3D game worlds. Now ...
-7
votes
1answer
444 views

Heightmap VS actual model of environment [closed]

I've been looking at 3D environments for games and I would like to know (case by case) which would be the best fit for development. The types in question are between heightmaps or a model of an ...
2
votes
2answers
3k views

How do I simulate a crowd in the stadium stands?

I'm working on a mobile sports game with Unity. I'm wondering how I could create an efficient effect of an audience in the stadium. I know that with more than 15 characters in my games (with 1800 ...
3
votes
1answer
170 views

Calibration of a 6 DOF tracking device

Setting: In our facility we have a 3D laboratory with 3 large displays (two edge-to-edge on orthogonal walls, one on the ground, also edge-to-edge). Its primary use-case is exploring 3D virtual ...
1
vote
1answer
860 views

Armature in Unity3d distorted

On the left is a base mesh with armature in Blender. I imported this model and armature into Unity3d. The result is on the right. The arms are clearly distorted, and I can't seem to fix it by ...