The quality, efficiency, and speed of running gameplay as a result of several factors in the design and structure of the game and its architecture.
11
votes
4answers
1k views
How to continuously find all entities within a radius efficiently?
I have a very large number of entities (units). On each step, each unit needs to know the positions of all units near it (distance is less then given constant R). All units move continuously. This is ...
7
votes
1answer
466 views
Information about rendering, batches, the graphical card, performance etc. + XNA?
I know the title is a bit vague but it's hard to describe what I'm really looking for, but here goes.
When it comes to CPU rendering, performance is mostly easy to estimate and straightforward, but ...
8
votes
3answers
6k views
Rendering performance for Flash games
I was reading on SO about native flash rendering vs building a custom BitmapData frame buffer and some of the answers were a bit conflicting, so I was wondering:
Is it generally best practice to go ...
4
votes
4answers
2k views
Why has the industry switched from C to C++?
First of all i would like to have a real answer, i'm always trying to get more from various sources and articles, and when I read things like C++ is slow because it has virtual functions and because ...
12
votes
2answers
2k views
“Optimal” game loop for 2D side-scroller
Is it possible to describe an "optimal" (in terms of performance) layout for a 2D side-scroller's game loop? In this context the "game loop" takes user input, updates the states of game objects and ...
9
votes
3answers
2k views
Why does OpenGL >= 3 only allow VBOs?
I see that OpenGL versions 3 and up eliminate the use of client-side rendering. Immediate mode has been eliminated, and vertex arrays seem to be deprecated. Instead, if I understand correctly, VBOs ...
7
votes
2answers
1k views
Multi threaded game - updating, rendering, and how to split them
From the StackOverflow post (it was recommended I move this):
So, I'm working on a game engine, and I've made pretty good progress. However, my engine is single-threaded, and the advantages of ...
8
votes
3answers
1k views
What's a good data structure solution for a scene manager in XNA?
I'm playing with XNA for a game project of myself, I had previous exposure to OpenGL and worked a bit with Ogre, so I'm trying to get the same concepts working on XNA.
Specifically I'm trying to add ...
5
votes
1answer
459 views
How to insert and remove blocks quickly in a Minecraftian world?
I currently have volume data for the world stored as an array of booleans. I then check each empty block and if it has non-empty neighbors the faces get drawn. This prevents me from sending a bunch ...
12
votes
5answers
13k views
Objective-C or C++ for iOS games?
I'm pretty confident programming in Objective-C and C++, but I find Objective-C to be somewhat easier to use and more flexible and dynamic in nature.
What would be the pros and cons when using C++ ...
11
votes
4answers
2k views
Is SVG a viable technology choice for web-based game?
I have started to read up about the web technology available for doing web-based game with only Javascript, but I have no where got feedback about SVG with HTML5. Is is a viable choice ? Does it ...
3
votes
3answers
352 views
What is better for the overall performance and feel of the game: one setInterval performing all the work, or many of them doing individual tasks?
This question is, I suppose, not limited to Javascript, but it is the language I use to create my game, so I'll use it as an example.
For now, I have structured my HTML5 game like this:
var fps = ...
3
votes
2answers
375 views
How to increase update speed of game?
I have a basic game, in which the player moves the environment around the screen, to give the gamer an impression that the player is actually moving.
I want this game to be large and have an open ...
3
votes
6answers
920 views
MMO Performance
To give a bit of background, I'm developing an MMO in the web browser. Crazy? Yes, but it certainly isn't impossible. The server sends updates to the client by means of long-polling JSONp tags which ...
1
vote
5answers
903 views
OpenGL Performance Questions
This subject, as with any optimisation problem, gets hit on a lot, but I just couldn't find what I (think) I want.
A lot of tutorials, and even SO questions have similar tips; generally covering:
...
5
votes
2answers
744 views
Implementing fog of war in opengl es 2.0 game
Hi game development community, this is my first question here! ;)
I'm developing a tactics/strategy real time android game and I've been wondering for some time what's the best way to implement an ...
3
votes
2answers
552 views
Use a SQL Database for a Desktop Game
Developing a Game Engine
I am planning a computer game and its engine. There will be a 3 dimensional world with first person view and it will be single player for now. The programming language is C++ ...
1
vote
1answer
452 views
Multiple buffering in OpenGL on Windows
What is the most common way modern games perform triple buffering ?
What does the SwapBuffers exactly do in terms of OpenGL states ?
Is it possible to perform double and triple buffering ...
5
votes
1answer
229 views
Can I leverage the fact that my scene is often static to improve OpenGL (JOGL) performance?
My scene is drawn based on the location of several (often several million) vertices (kept in VBO's) and a camera. I can easily tell in my code when my scene has changed and when it hasn't. There are ...
4
votes
2answers
234 views
What does “kTriangles/s” mean in hardware graphics benchmark reports?
I've looked around and found several sites offering benchmarking statistics for mobile platforms and I've been seeing the unit of measure as "kTriangles/s". Originally I misread this, missing the 'k'; ...
3
votes
3answers
2k views
Object pools for efficient resource management
How can I avoid using default new() to create each object?
My previous demo had very unpleasant framerate hiccups during dynamic memory allocations (usually, when arrays are resized), and creating ...
1
vote
0answers
275 views
shader-based particle systems
I have a classic particle system where each particle is represented by a quad and, each time step, I move each particle.
My target is webGL which means I don't have instancing, attribute divisors nor ...
