27
votes
5answers
1k views

Why do GPUs require game specific drivers?

PC GPU driver updates often cite improvements made to performance of specific, recently released games. Why is this game-specific updating needed? How do the game-specific changes interact with the ...
27
votes
4answers
2k views

Can I run into legal issues with random names?

I'm currently building a game whose NPC's are going to be assigned a random gender and a random name for the right gender. To do this I will be using a "database" of names (actually a text file with ...
27
votes
6answers
4k views

Why don't all games permit changing the field of view?

This is less of a question aimed at developing a game and more about the technology behind it. A number of gaming journalists and pro gamers (both on the tournament and the home entertainment sector) ...
27
votes
4answers
2k views

If two objects interact, what holds the interaction code?

Think of a bullet and an enemy, or the player and the floor. If these objects interact, what holds the interaction code?
27
votes
6answers
7k views

What 3D level development tools are available to indie developers? [closed]

People who build in Unity or UDK have immediate access to a 3D level editor. People who build their games in XNA or from scratch have no such thing. I'm looking for 3D level development tools ...
27
votes
6answers
3k views

Game programming books that don't teach programming? [closed]

I am an normal programmer with about 3 years of experience, who is interested in getting into game development. The problem that I face is that when I look at these "beginner" books, most of them ...
27
votes
5answers
10k views

How to generate caves that resemble those of Minecraft?

I've been working on a 3D procedural world for a while now and am wanting to start adding cave systems. I'm currently using 2D/3D Perlin Noise for the terrain generation in combination with Marching ...
27
votes
4answers
4k views

How to determine the amount of experience needed for leveling up

Related questions under this topic might include: How should I base how much experience points it takes to get to the next level? What factors are involved in this? How do I keep the player not ...
27
votes
4answers
916 views

What viable way for an indie dev to test for epilepsy reactions on a game?

So I've been developing a game which is a bit.. blinky in terms of color and lightness contrasts. It's a game for the iPhone, so the screen's not gonna be so big.. But I've heard about wipeout XL ...
27
votes
3answers
4k views

Random seed function for map generation?

I am looking for a function to generate a random tile-based map as the visual boundaries of the map change (by going through the map). I want the map to be infinitely large, and have maze-like ...
27
votes
5answers
2k views

Doing powerups in a component-based system

I'm just starting really getting my head around component based design. I don't know what the "right" way to do this is. Here's the scenario. The player can equip a shield. The the shield is drawn ...
27
votes
6answers
12k views

How can I improve rendering speeds of a Voxel/Minecraft type game?

I'm writing my own clone of Minecraft (also written in Java). It works great right now. With a viewing distance of 40 meters I can easily hit 60 FPS on my MacBook Pro 8,1. (Intel i5 + Intel HD ...
27
votes
2answers
821 views

Modeling speed of light information propagation in space combat sim

I'm working on a space combat sim that takes place over relatively vast areas (a cube of space ~20 light minutes to a side) and uses (mostly) realistic physics. One of the key elements I want to model ...
26
votes
32answers
10k views

Tools for creating assets? [closed]

There are similar questions about finding existing resources that are free for use (free sprites/images, music, sound), but I'm interested in creating the resources myself. What tools do you use for ...
26
votes
7answers
20k views

What are atan and atan2 used for in games?

I am having some trouble understanding Math.tan() and Math.atan() and Math.atan2(). I have basic knowledge of trigonmetry but the usage of SIN, COS, and TAN etc for game development is very new to ...
26
votes
4answers
8k views

Why don't we use octogonal maps instead of hexagonal maps?

I understand the advantage of hexagonal tiles over square ones. But why aren't octagons used instead? I would think they would provide better, more natural movement in eight directions. I was ...
26
votes
3answers
6k views

How do teams prevent overwriting work in source files? [closed]

It occurred to me the possibility that while, for example the game engine, is being worked on simultaneously by multiple people how is overwriting prevented? Let's say developer one is working on ...
26
votes
7answers
4k views

Do retail games use “inversion of control” and “dependency injection”?

Many of the more diligent software developers I know are moving to inversion of control and dependency injection to handle references to objects. Coming from a Flash games perspective I don't know all ...
26
votes
6answers
9k views

Is it legally possible to make a clone of the game?

With board games like "Monopoly", "Domino", "Checkers", or "Chess", can game developers make clones and sell them? Also, can I make a clone of ZX Spectrum games? Are there many parts of the game with ...
26
votes
5answers
5k views

In 2D, how do I efficiently find the nearest object to a point?

I have a sizable game engine and I'd like a feature for finding the nearest of a list of points. I could simply use the Pythagorean theorem to find each distance and choose the minimum one, but that ...
26
votes
8answers
13k views

How can I develop Flash games without expensive software?

I've been playing with writing flash games in my spare time, but up to this point, I've just been using a trial version of Adobe Flash Professional. I'm aware of FlashDevelop, but their documentation ...
26
votes
6answers
3k views

Designing a game - Where to start? [closed]

A friend of mine and I are planning a game together to work on in our free time. It's not an extensive game, but it's not a simple one either. He's working on the story behind the game while I'm ...
26
votes
20answers
2k views

Are there many games involving the manipulation of water?

I'm in the very, very early brainstorming stages of a game which centers around the manipulation of water and the terrain around it. (i.e., changing the water's state between solid, liquid, gas; ...
26
votes
5answers
13k views

How to create a hexagon world map in PHP from a database for a browser based strategy game

I'm trying to create a hexagon world map for my PHP browser based strategy game. I've created a table in my database with the following data per row: id, type, x, y and occupied. Where type is the ...
26
votes
3answers
870 views

Should I have a public development blog? [closed]

Should I keep a public development blog for a game I'm creating? What are the benefits and issues of this activity?
26
votes
6answers
1k views

Have any video game designs used non-uniform random numbers in interesting ways?

A variety of video games use uniformly distributed numbers to decide the outcome of an event, such as a "50% chance to hit" almost always means to check if a random floating point number from 0-1 is ...
26
votes
2answers
2k views

Calculating the rotational force of a 2D sprite

I am wondering if someone has an elegant way of calculating the following scenario. I have an object of (n) number of squares, random shapes, but we will pretend they are all rectangles. We are ...
26
votes
7answers
8k views

Teamwork in Unity

I have a Unity project without any version control, and I need to share it with another developer so that both of us can work on the project. What strategies should be use that play nice with Unity ...
26
votes
3answers
2k views

How does a 2D game like Zelda handle the character being behind buildings where only part of him is shown?

I'm trying to develop a simple Zelda-style game. I found this very useful topic How was collision detection handled in The Legend of Zelda: A Link to the Past? that I'm using as reference to develop ...
26
votes
3answers
2k views

Assets Management, database or versioning system?

While developing the assets for the game, (meshes, textures, sounds, videos) ho do you manage them? Keeping them together with the source code inside the versioning system? (perforce, git, etc…) Or ...
26
votes
4answers
18k views

How can a programmer learn to draw 2D assets? [closed]

Are there any good tutorials for someone who wants to create 2D graphical game assets? Drawing classes for absolute beginners, preferably teaching skills that can be as relevant as possible to games - ...
26
votes
5answers
4k views

Why do we use 4x4 matrices to transform things in 3D?

To translate a vector by 10 unit in the X direction, why do we have to use a matrix? We can just add 10 to the mat[0][0], and we got the same result too.
26
votes
2answers
3k views

How do I make a character capable of walking on walls?

I am trying to get a character to move like a spider: Given a rising slope which a ball would normally not be able to roll up, the spider would slowly crawl up. Similarly, given a mid-air rectangular ...
26
votes
6answers
4k views

Who does the AI calculations in an MMO?

I am building an MMO and want to add NPCs. The thing is I don't know the basic design. What does the calculations, the clients or the server? I would understand the server calculating events and ...
26
votes
6answers
8k views

A way to store potentially infinite 2D map data?

I have a 2D platformer that currently can handle chunks with 100 by 100 tiles, with the chunk coordinates are stored as longs, so this is the only limit of maps (maxlong*maxlong). All entity positions ...
26
votes
5answers
3k views

Simulating pressure in a grid based liquid simulation

I have a 2D grid based water system in my XNA game, we have a method using cellular automata to simulate water falling and spreading. Example of water flowing down a slope: Each tile can contain a ...
26
votes
3answers
1k views

How to handle multiple story threads in a RPG game?

I designed an RPG game that has multiple story threads, meaning that, depending on the user's choice some things may or may not happen, you can achieve the same thing in several ways, the ending can ...
26
votes
4answers
14k views

How were cartridge-based games programmed? [closed]

I'm thinking of like the SNES, N64, Atari... even the DS today, I suppose. SNES games did not usually take up more than 4 MB of space, and N64 games were usually 32 to 64 MB worth of data. These ...
26
votes
0answers
475 views

How are game console reverse engineered so emulators are created? [closed]

How do people reverse engineer consoles such as the Wii, to create emulators for their game executables?
25
votes
11answers
3k views

What are your favourite game-specific coding gems? [closed]

I'll start off with John Carmack's the Fast Inverse Square Root in Quake III: float Q_rsqrt(float number) { long i; float x2, y; const float threehalfs = 1.5F; x2 = number * 0.5F; y = ...
25
votes
8answers
3k views

Why is permadeath essential to a roguelike design?

Roguelikes and roguelike-likes (Spelunky, The Binding of Isaac) tend to share a number of game design elements: Procedurally generated worlds Character growth by way of new abilities and powers ...
25
votes
9answers
15k views

I prefer C/C++ over Unity and other tools: is it such a big downer for a game developer? [closed]

We have a big game project using Unity at school. There are 12 of us working on it. My teacher seems to be convinced it's an important tool to teach students, since it makes students look from the ...
25
votes
10answers
2k views

Effects to make a speeding spaceship look faster

I have a spaceship and I've created a "boost" functionality that speeds up my spaceship, what effects should I implement to create the impression of high speed? I was thinking of making everything ...
25
votes
5answers
8k views

Lag compensation with networked 2D games

I want to make a 2D game that is basically a physics driven sandbox / activity game. There is something I really do not understand though. From research, it seems like updates from the server should ...
25
votes
6answers
3k views

Marketing: Angry Birds - How it's done [closed]

Why do some apps, like Angry Birds, dominate the market while other cool/fun/addicting apps are never heard of? I'm trying to figure out the best marketing strategy, or best way to sell an app to ...
25
votes
9answers
1k views

What is the best way to avoid colorblind issues?

About 5-10% of males have some form of colorblindness. What's the best way to ensure you are not turning away 5-10% of your male population from your game? Just to note colorblindness does not mean ...
25
votes
3answers
16k views

Android game development in c++

So being a primarily c/c++ developer, I've always thought that the only option for mobile game development for me was using iOS, which allows for c/c++ (and minimising objective C). I heard from a ...
25
votes
5answers
6k views

Implementing features in an Entity System

After asking two questions on Entity Systems (1, 2), and reading some articles on them, I think that I understand them much better than before. But, I still have some uncertainties, and mainly they ...
25
votes
4answers
985 views

Version control with game development - When should I branch?

I recently started using Version Control with my projects (even though I'm working alone on them). I find that it gives a nice way to keep history of the whole development process (with issue ...
25
votes
4answers
2k views

Is game development a super elite club?

We all read job vacancies via the internet like GitHub jobs or StackExchange Careers 2.0 for example. You know, web app development, iOS/Android jobs and many other things. We even read about jobs ads ...

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