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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2
votes
1answer
153 views

More vertices vs more textures

I'm currently working on a dynamic 'door' creator, and I'm trying to decide which is more efficient. Not much experience with 3D render speeds, so I'm asking before I choose which direction to go ...
0
votes
0answers
48 views

Is there possiblity that i get sued for using models from internet? [on hold]

As the title suggest i found some pretty good looking models in internet, I am thinking about using them in my game. The websites i downloaded models does not provide background about who created them ...
1
vote
1answer
348 views

LWJGL SlickUtil Texture Binding

I am making a 3D game using LWJGL and I have a texture class with static variables so that I only need to load textures once, even if I need to use them more than once. I am using Slick Util for this. ...
-1
votes
0answers
1k views

How do I fix my 3D bounding box collision detection?

I am using C++ in Visual Studio 2010 with OpenGL. I am trying to make a program with 2 stackable boxes but I am having some trouble with the collision detection. I'm trying to put bounding boxes ...
9
votes
1answer
6k views

How do I generate a 3D race track from a spline?

I want to generate a 3-dimensional race track around a spline that describes its shape. Here's an illustrative video. The track should be an endless tunnel that sweeps along a 3D spline, with some ...
2
votes
0answers
49 views

OpenGL light appears to move with camera and changes with object rotation

I have a working open gl es 2.0 3d engine (my own) that I've used in several iOS apps. I recently noticed that on a mutli-symmetrical object the lighting didn't look the same at each rotation. For ...
-1
votes
0answers
8 views

Help Develop 3D Camera “LookAt” Method In JavaFX8 [duplicate]

[I know this question was supposedly answered, when asked by Grady 8 months ago (3D Camera Rotation), but I was unable to follow the solution, and I cannot get hold of Grady, so I am re-asking it with ...
0
votes
2answers
49 views

XNA - Card Game - 3D vs 2D vs Primitives [on hold]

I'm starting a new project in XNA which will be a card game. What is the best way to implement my cards? Since I want to rotate these, they'd have to be somehow displayed 3D. The game itself will be ...
1
vote
1answer
45 views

model view projection multiplication order

I'm debugging a lighting problem where the camera position is effecting the diffused lighting component on my 3d model. In researching my problem I went back and am reading over all the how to ...
0
votes
1answer
21 views

How to display a model in Android via openGL ES [on hold]

I have gone through this tutorial and would like to move on to models as opposed to geometric shapes (yes, I know that they are still made out of triangles..) I have found some interesting models ...
0
votes
0answers
22 views

Linux, scrippting language for developing simple games with 3D graphics [on hold]

while I know of processing, plplot, gnuplot, Gambas (with opengl wrapper, which does not quite work as of version 3), javascript, and python as well as Opnscad, I wonder, considering all of these have ...
-2
votes
0answers
33 views

3D game development [closed]

I want to start 3d game development . But I dont know where to start . I studied java and I am learning Blender now . I know jMonkey 3d engine which uses java programming language , but I dont think ...
0
votes
1answer
106 views

XNA C# 3D game Wall collision response glitch

I have been working on a reliable physics system in my code and so far it's ALMOST working. :D I am aiming for wall "sliding" style of collision response, like you'd expect it to work in commercial ...
2
votes
0answers
33 views

How can I generate isometric sprites based on a 3d model? [duplicate]

I'm wondering about the following: I'd like to create isometric sprites for a game that I'm currently developing. Rather than asking an artist to draw numerous sprites (which will be quite costly), ...
-1
votes
0answers
17 views

Physical Based Models - Any online store? [closed]

I'm wondering if theres an online store that sells ( or gives ) physical based 3d models? I realise that this is not the perfect question, and theres not a single answer, but its still relevant.
1
vote
1answer
136 views

How do I implement melee hit boxes for a top-down game?

For a 3D top-down game, how should I handle collision in melee combat? My game has no targeting system, so I can't use a simple distance check between attacker and target. What I am thinking is have ...
0
votes
0answers
65 views

Picture got distorted after has been moved to Directx11

I have moved app from Directx9 into Directx11. After this upgrade strange thing happened with my world. Objects get skewed and became 2D, also they are clipped in unexpected places. Two arrows at ...
1
vote
0answers
18 views

Blender: How to place a vertex where 2 faces intersect [closed]

What i have done: Made a object on blender that will be used as an asteroid for Space Engineers, i have done some tunnels but when i extended them to the surface it stayed like this: What i want ...
4
votes
7answers
423 views

Why doesn't it seem to be any development in the field of 3D VR gear, especially with regard to gaming?

I remember that way back around 1995, there was this big craze with VR in the media, a whole bunch of (mostly mediocre) games labeled as "virtual-reality-interactive-movie (...)" were published. If I ...
15
votes
3answers
5k views

What exactly is UV and UVW Mapping?

Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
0
votes
2answers
153 views

A*Pathfinding lose target after spawning from script?

I have been using A*Path finding to enable object tracking. It works fine if I have both objects on the scene at the same time. However, if I were to use a script to spawn the seeking object ...
3
votes
2answers
228 views

Multiple weapons for android game

I am trying to make a 3D game for android using the Rajawali engine to render the 3D graphics and blender for designing my models(exporting as .md2), and I want my character to be able to change ...
0
votes
0answers
46 views

Basic .FBX Animation for the Complete Novice [on hold]

okay, so in terms of 3D in XNA, I am pretty much a total beginner. I know all my matrices, basic lighting, transforms etc, but I'm finding 3D animation very confusing. I have been looking a bit at the ...
1
vote
2answers
103 views

How can I handle position in an entity system where position can be 2D or 3D?

I'm working on a game engine to learn how it's done (so I might better take advantage of the techniques involved and other, similar engines in the future), and I've run into a problem when handling ...
0
votes
1answer
245 views

Unity3d wheelcollider falling through terrain

I have created simple project with 3D car and terrain. I have added 4 Wheel Colliders on model wheels. But when I run project wheels falling through terrain. Before run: After run: I am sure that ...
1
vote
1answer
58 views

XNA: “TextureCoordinate0” missing, but I'm not using textures

I'm trying to create a voxel game using XNA, but I'm getting a somewhat bizarre error when calling DrawIndexedPrimitives(): InvalidOperationException was unhandled The current vertex declaration does ...
1
vote
2answers
433 views

Matrix rotation wrong orientation LibGDX

I'm having a problem with matrix rotation in libgdx. I rotate it using the method matrix.rotate(Vector3 axis, float angle) but the rotation happens in the model orientation and I need it happens in ...
1
vote
1answer
69 views

Get quaternion between two objects on sphere

In a planetary gravity environment objects are represented in the following way: struct object { struct quaternion quat; // quaternion to represent the rotation between the object and the center ...
0
votes
1answer
85 views

How crucial is 3D terrain in a classic RTS game? [closed]

My love of RTS games is from the days of Warcraft II, C&C, etc, when top-down/isometric views were king and terrain was generally tiled and flat. More modern games - as CPU/GPU power increased - ...
2
votes
1answer
53 views

What are “supporting points” in the context of the SAT?

I am currently implementing a separating axis theorem collision response. It can be used by oriented bounding boxes and axis-aligned bounding boxes. So far I have covered face-something contacts. I ...
-1
votes
0answers
73 views

How can I generate passive 3D using a consumer level graphics card?

I would like to how to generate packed frames and sent them by HDMI to a 3DTV for passive stereo visualization, using any consumer-grade graphics card. I am working on Linux, and programming in C++. ...
1
vote
1answer
142 views

Mapping a 3D texture to a standard hollow-hull 3D model

I have 3D models which are typical hollow hulls. If such a model also had a 3D volumetric/voxel texture map then given a point P inside such a model, I'd like to be able to find its uvw coordinates ...
0
votes
1answer
63 views

Specular light flickering with high specular power

I'm having some issues with specular lights, to be more specific, the specular color seems to be flickering when I set high power, like 512 (I set the specular color to green, so you can see better): ...
2
votes
1answer
219 views

Processing - implement a first person camera?

First off, I'm sorry if there are duplicates of this. I did an extensive Google search but was unable to find anything that made sense to me. (I am new to 3D rendering and such.) I want to make a ...
1
vote
1answer
73 views

Problems with texture orientation in space

I am currently drawing texture in 3D space and have some problems with it's orientation. I'd like me textures always to be oriented with front face to user. My desirable result looks like ...
1
vote
1answer
89 views

How can I implement a camera like the one in RotMG?

RotMG, an MMO top-down shooter, takes on a unique 2d-3d style, and has an intriguing camera; The game is obviously 3d, not simply isometric, and if you play the game and turn on camera rotation you ...
3
votes
2answers
213 views

Portal View/Projection Matrix near plane

For RenderToTexture/Camera based portal rendering, the basics seems simple enough. However, with a free camera, most of the time it is going to be looking at such portals at an angle: Now a ...
1
vote
1answer
47 views

Alpha blending, transparence and z-ordering

I'm making some tests with alpha blending in a projet and I don't understand something. In my tests I've done something like that and everything look good: Draw blue box first (depth test: true, ...
0
votes
1answer
89 views

How can I create the illusion of a 3D object moving around in a static background?

I'm designing a Resident Evil clone using OpenGL. I'm curious how the older Resident Evil games used a static pre-rendered background with 3D models roaming around: Here, if the main player ...
2
votes
2answers
49 views

What is the meaning of the row “opposite” the translation column?

Usually, I do my matrix multiplication like this: [1 0 0 dx] | [px] [px + dx] [0 1 0 dy] | [py] [py + dy] [0 0 1 dz] | [pz] = [pz + dz] [A B C 1] | [1] [1] Where the translation is along ...
2
votes
4answers
2k views

How to find the entity I'm looking at?

I am currently making a mod for Minecraft but I have come to a stop because I am lacking in some knowledge. I need to get data for the entity I am looking at, which I believe requires the use vectors, ...
1
vote
2answers
236 views

Surface creation algorithm using points cloud

I am looking for a realtime algorithm to create a 2D mesh using points. But I am quite confused. It seems that Delaunay triangulation can help me create mesh using point clouds, but Meta-balls seems ...
5
votes
1answer
113 views

Why bother with a separate normal matrix, if there is never non-uniform scaling on the view matrix?

I am updating one of my shaders to a version of OpenGL/GLSL that doesn't automatically provide gl_NormalMatrix (for educational purposes; I'm not ripping out working code for the sake of it). ...
0
votes
1answer
93 views

Rendering a Voxelized Mesh [closed]

I've been reading many papers about how to voxelize meshes using different GPU techniques, but I've ran into a problem that I'm not sure how to solve properly. I understand the process of how to ...
1
vote
1answer
50 views

Custom 3D Noise function incorrectly generating in Lua

I have been working on a custom noise generator (not Perlin on Simplex or whatever), which works fine in two dimensional space, but upon converting it into three dimensional space, it turns into a ...
-1
votes
1answer
73 views

Why Is My AABB Collision Detection Not Working

I am going to be making a 3D game and I need to be able to test for accurate collision. I was able to get bounding sphere collision working (too inaccurate to be used for the whole game), but AABB ...
18
votes
4answers
4k views

How can I draw outlines around 3D models?

How can I draw outlines around 3D models? I'm referring to something like the effects in a recent Pokemon game, which appear to have a single-pixel outline around them:
1
vote
1answer
378 views

What options do I have for a 3D game without graphics but yet maintaining physics for later?

I don't believe I expressed well the title for my question so if you believe you can change it for a more suitable title please do so or drop me a comment. Currently I am starting a 3D game with C# ...
0
votes
0answers
26 views

How is a 3D Environment displayed on a 2D Screen? [duplicate]

So basically I need to know how you display a 3D environment on a 2D screen. How is this done? I know there's a new axis called the Z axis but how does it work? If possible please explain this in the ...
1
vote
0answers
133 views

How do I detect collisions between a particle-based net and a ball?

I've implemented a net using Verlet integration and many points connected with constrains; like this demo, but in 3D. I want to implement collision detection between this net and a ball (like in a ...