Refers to games or art assets built in a three-dimensional space, where all positions have X, Y and Z coordinates.
1
vote
3answers
156 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 ...
0
votes
0answers
95 views
Terrain Multi-texturing Approaches
I've read numerous articles about how to render terrain and most of them approach it from a vertex/polygon perspective with respect toward level of detail. But what I continue to find myself ...
-1
votes
2answers
160 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
323 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 ...
3
votes
3answers
629 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
146 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
1answer
373 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 ...
0
votes
0answers
102 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
106 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 ...
-1
votes
2answers
132 views
Collisions and camera tilt in XNA C# 3D Game
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
188 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
120 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
147 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
2answers
257 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
147 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 ...
-4
votes
1answer
211 views
Great tutorial for 3D XNA [closed]
I have finished learning 2D XNA and created a few simple games.
I want to learn the stuff below. Please recommend tutorials, books etc.
3D programming with concepts.
Game planning, Stages planning, ...
2
votes
2answers
453 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
99 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
147 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 ...
2
votes
1answer
241 views
Where can I buy freely redistributable (creative commons) game assets?
I'd like to know about any 3D asset shops out there that specialize in game assets and, most importantly, license their assets under an open license like Creative Commons or similarly permissive.
We ...
1
vote
2answers
299 views
How to create a walkable 3D terrain
I want to make a terrain for a RPG game that I'm developing. I started modeling the surface and implementing it to my game, but now I realized that i might be doing everything wrong. So I would like ...
2
votes
0answers
70 views
Pitch (X-axis) rotation problem [closed]
Situation:
From a first person perspective (camera position) I want to be able to grab an object and have it fixed to the center center of the screen while looking up-down (pitch) and looking ...
22
votes
10answers
2k views
What makes a game look “good”?
I am working on a 3D space game using OpenGL and C++ and I am planning to focus on giving the game modern, eye-catching graphics, but the more I think of it the more I realise I don't really know what ...
0
votes
1answer
157 views
Changing Yaw, Pitch And Roll OpenGL
I'm using LWJGL and OpenGL 1.1 at this time and I was wondering what command is used to change the yaw, pitch and roll?
1
vote
1answer
99 views
SimpleOpenNI: Check if user hand is in specific area on image
Concerning our Microsoft Kinect project, we need some help.
We control a robot with our movements tracked by the Kinect sensor. We display the depth image of the Kinect sensor on our screen, so we ...
1
vote
1answer
140 views
Using circles to create a sphere
I've been working on creating spheres in a 3D space recently, and have successfully created cylinders. I've just run into a little problem. For some reason, my "Spheres" end up looking like very thick ...
0
votes
0answers
94 views
How to Detects two markers at time using Vuforia SDK
I recently has been watch this Video, and this is good to know that its developed by qualcomm. I want to do same sort of project in Unity3d, I already have developed few apps using Vuforia SDK. Before ...
3
votes
4answers
308 views
Benefits of upgrading from OpenGL ES 1.1 to 2.0 on iOS
I have an animated 3D iPhone game that I first wrote using OpenGL ES 1.1 in late 2009.
After many updates to the rest of the game, the OpenGL ES 1.1 code still runs fine under iOS 6, but I'm ...
2
votes
0answers
161 views
Catmull Rom Spline - Constant Speed
Given the equations found in the answer here:
Determine arc-length of a Catmull-Rom spline
How would one A) Apply this to a 3D Catmull-Rom Spline, and B) write A out programmatically (for the math ...
2
votes
2answers
164 views
How do I find realistic 3D paths for stable and unstable flying rockets?
I am building a 3D application that simulates launching small rockets. I want to draw their trajectories.
I know that rockets have a degree of stability. I want to include this in the simulation, but ...
5
votes
2answers
319 views
Most efficient method to render 1,000s of unique space scenes?
I'm an artist with a concept, not the developer, and I'm trying to wrap my head around the approach I should be taking for the following scenario, namely whether to model in Photoshop or 3DS Max.
Say ...
-2
votes
1answer
130 views
Should I use OpenGL, Direct3D, OpenGL ES, or WebGL? [closed]
Let's say I don't want to make a game. I specifically want to mess around with a low-level 3D graphics API, because I'm bored and I want to learn something new. I want to work on programming problems ...
1
vote
2answers
207 views
Should the world transformation matrix be stored in a constant buffer when rendering?
Generally when rendering objects you would:
Apply world transformation to go from object space to world space
Apply view transformation to go from world space to camera space
Apply perspective ...
0
votes
0answers
238 views
3d game Android development libraries? [closed]
Are there any good solutions such as libraries and add on's for developing a 3D Android game in Java, neither of these are designed with 3D Gaming in mind obviously.
1
vote
1answer
101 views
How can I render primitives to pixel coordinates?
I'll emphasize that I am very new to graphics programming. I've been using XNA up until now and I've been looking for a way to build simple 2D functionality with textured quads. I'm sort of starting ...
0
votes
0answers
90 views
Drawing Projected Vertices/Faces In Order
I recently created a 3d engine, and have gotten to what is (as I've found) the hardest part so far. I need to sort the objects and then draw them. I've looked at sorting algorithms, but my case is ...
7
votes
1answer
296 views
How to make a 3d beam effect with XNA 4.0?
Do you know any demo or tutorial to learn to make a 3D Beam effect?
I have learn to make a 2D laser by simply using a texture and moving it thru screen.
But I am a little bit lost while trying to do ...
3
votes
2answers
768 views
Importing and Displaying .fbx files
I have a little problem with importing/displaying .fbx files.
I checked the examples but the ones which I am intrested the most (animation and texture) are badly documented for understanding by ...
-1
votes
1answer
127 views
Besides OpenGL and DirectX, what other libraries can aid in 3-D graphics? [closed]
And how does DX and OpenGL "make 3D exist"? I want to know how I can write a 3-D a library to render a 3-D world witg models. But any help? Thanks. Also, my main question.
-4
votes
2answers
158 views
enemy shooting towards FPS [closed]
WELL first of all I want you to see my game (its deployed on heroku cloud) :
http://still-escarpment-3701.herokuapp.com
(It takes almost 10 sec to load so please wait for couple of sec)
I have ...
-1
votes
2answers
164 views
problem with bullets shooting in FPS game
Please check out my game here: http://still-escarpment-3701.herokuapp.com
The problem is with shooting. The bullets keep on moving with the First person controller instead of moving from the same ...
7
votes
1answer
457 views
Rolling my own scene graph
Hello Game Development SE!
I'm crawling my way through OpenGL with the hopes of creating a simple and very lightweight game engine. I view the project as a learning experience that might make a ...
1
vote
1answer
110 views
Keeping Track of Position OpenGL
I have a sphere in my 3D world located at the origin. I have models orbiting it and I need to keep track of each models' position (x, y, x coordinates) as well as update their bounding boxes for ...
8
votes
1answer
272 views
Mesh manipulation on GPU vs CPU
Just a bit curious - where do you perform mesh manipulations, on the CPU or in the shader?
I've been doing everything on the CPU and a friend suggested moving things on to the GPU side.
If you're ...
0
votes
1answer
136 views
How to make racer map?
Hi everyone does 3D racer games use heightmap to build tracks or programmers just use easier solution ? I need to build only track space(road) without fill all hectares with trinagels and more ...
1
vote
1answer
476 views
XNA 4.0 - Transparent 3D model
I have a little problem with my 3D model (.fbx) rendered in XNA, look at screenshot.
Screenshot:
It should be a lego brick, which was modelated in Blender, then exported to .fbx and added to XNA ...
0
votes
1answer
34 views
How to linearly blend between multiple points, deviating from a default point?
I have a set of 3D points that I need to "blend" between. Lets say I have points [A,B,C] and I have the amount I want to blend each as [0.5, 0.2, 0.8], how can I blend between these points with the ...
1
vote
1answer
74 views
How to linearly “blend” between multiple 3D points?
I have a set of 3D points that I need to "blend" between. Lets say I have points [A,B,C] and I have the amount I want to blend each as [0.5, 0.2, 0.8], how can I blend between these points with the ...
1
vote
1answer
148 views
What are file formats that store skeletal movements, and are there databases of them?
I have a set of 3d vectors representing the positions of a character's hand, foot, shoulders and so on. Is there any kind of easy to read file I can use to animate those with walking, standing, ...
2
votes
2answers
204 views
What kind of projection is used here?
Tibia is a 2d game, but it's sprites are drawn using certain kind of orthographic projection that is not the same I'm used to:
I'm trying to figure out what projection is used here. I've guessed ...
