Tagged Questions
The optimization tag has no wiki summary.
10
votes
1answer
220 views
Is precomputed pathfinding still relevant?
Context
Old Lucas Arts (ScummVM era) point and click graphic adventure games used precomputed pathfinding. Here's a rough outline of the technique.
Step 1
The floor in each room was divided into ...
3
votes
2answers
133 views
What is a fair latency, to cut off game connection at?
I'm currently coding a realtime game. I'm doing alot of technical operations with the physics world (resimulations of old world states etc.) to prevent game lag. I save the world state every physics ...
9
votes
4answers
1k views
Why do computer games differ so much in size?
There are alot of PC games out there that have (seemingly) roughly the same graphics (with bump-maps, shaders, etc), sound complexity and play-through time yet one of them needs 4GB space while the ...
5
votes
1answer
96 views
Player Visibility Problem
I'm looking into designing and implementing an online RPG (or more accurately, redesigning an existing piece of server software).
One of the problems is that of managing visibility. Update data for ...
11
votes
2answers
735 views
Why are big files better than small files for consoles?
Why do console game developers use large files to store game data instead of small files like on PC? Less streams in memory? Need to access file tree many times? Other reason?
1
vote
3answers
176 views
Coarse Collision Detection in highly dynamic environment
I'm currently working a 3D space game with A LOT of dynamic objects that are all moving (there is pretty much no static environment). I have the collision detection and resolution working just fine, ...
15
votes
5answers
718 views
Learning to optimize with Assembly
I am a second year student of Computer Games Technology. I recently finished my first prototype of my "kind" of own pathfinder (that doesn't use A* instead a geometrical approach/pattern recognition, ...
12
votes
6answers
633 views
Optimizing gravity calculations
I've got a bunch of objects of varying size and velocity which gravitate towards each other. On every update, I have to go over every object and add up the forces due to gravity of every other object. ...
5
votes
1answer
185 views
What are the time-efficiency characteristics of these voxel data structures?
Real-time, high-resolution voxel raycasters tend to use one of the following optimising data structures in order to achieve interactive frame rates. What are the pros and cons to these, and what other ...
5
votes
1answer
117 views
How do texture lookups for trig functions work?
I have a pixel shader that calculates a mandelbrot fractal. It uses the standard formula:
z = z2 + c
I'd like to extend it so the power z is raised by varies. To do this i have the following ...
8
votes
1answer
119 views
Chunking/caching large levels in a singleplayer game
Does it make sense to try to offload a large nonlinear level into file-based chunks, and load those on demand? We've implemented level chunking to improve rendering performance, but still all level ...
5
votes
1answer
411 views
Is the STL efficient enough for mobile devices?
When it comes to mobile game development on iOS and Android NDK, some developers write their own C++ containers, while others claim that STL is more than adequate for mobile game development (For ...
2
votes
5answers
418 views
Skipping glReadPixels and reading iPhone's “VRAM” directly
I'd like to rapidly capture "screenshots" of my OpenGL ES iPhone game and turn them into a video. I've tried the following approach (it works but degrades the game play to an unacceptable level):
...
5
votes
4answers
184 views
Efficient 2d Java Line of Sight for a lot of entities?
My problem today is this:
I have many civilians going around, they are classes stored by an arraylist.
The idea is when they see another civilian panic, they'll start to panic and it will spread.
...
2
votes
2answers
120 views
How do you handle iPhone graphics for both high and low DPI settings?
How do you guys create your game graphics for iPhone? Considering you need a retina version and a nomal one?
Do you create a big version of your image, save HD, then resize to smaller version, and ...
