251
votes
20answers
208k views

Where can I find free sprites and images? [closed]

I need sprites and images, such as characters, landscapes and others. Where can I find them?
71
votes
7answers
8k views

How closely can a game legally resemble another?

Most games build on other games' successes and many are downright clones. Where is the limit of imitation before legal issues come into play? Is it down to literary or graphic work like characters and ...
189
votes
10answers
52k views

When should I use a fixed or variable time step?

Should a game loop be based on fixed or variable time steps? Is one always superior, or does the right choice vary by game? Variable time step Physics updates are passed a "time elapsed since last ...
229
votes
28answers
64k views

What are good games to “earn your wings” with? [closed]

I believe that in order to become a good game developer, you need to make games. From a programmer's perspective, what are some good entry level games to get your hands dirty? What skills and ...
107
votes
1answer
19k views

Role of systems in entity systems architecture

I've been reading a lot about entity components and systems and have thought that the idea of an entity just being an ID is quite interesting. However I don't know how this completely works with the ...
25
votes
5answers
2k views

Legal issues for a “fangame” of a commercial franchise? [duplicate]

I've played around in the past of the 2D Flash fan-made version of the popular Valve game Portal. It has basically the exact same mechanics, but as a 2D side-view flash game. Lately I've toyed ...
95
votes
23answers
43k views

Why is it so hard to develop a MMO? [closed]

I want to develop a MMO like World of Warcraft, but some basic research says that is going to take months (if not years) and cost a lot of money. I'd like to know why.
41
votes
7answers
8k views

What's a way to implement a flexible buff/debuff system?

Overview: Lots of games which RPG-like statistics allow for character "buffs", ranging from simple "Deal 25% extra damage" to more complicated things like "Deal 15 damage back to attackers when hit." ...
121
votes
17answers
63k views

What math should all game programmers know? [closed]

Simple enough question: What math should all game programmers have a firm grasp of in order to be successful? I'm not specifically talking about rendering math or anything in the niche areas of game ...
80
votes
10answers
71k views

Where can I find free sounds for my game? [closed]

I need some sound effects for my game. Where can I find some? Or any programs that can easily generate them?
91
votes
3answers
33k views

Tips for writing the main game loop? [closed]

Can anyone recommend some good tips, articles, sites, etc. for writing the main game loop? What are some things that you should do in the game loop, and what are some things that you shouldn't do in ...
22
votes
2answers
17k views

How to make a character jump?

I am currently making a game in C# using Direct X 9.0. The game remake is Donkey Kong NES. I have nearly everything completed, but I am having problems with the physics of Mario's jump. I have ...
45
votes
4answers
5k views

How do I find artists to work on my game?

I ask "how" rather than "where" because there are undoubtedly lots of artists that are just plain lousy or unreliable. Let's assume both paying and non-paying (mods, free games/open-source) ...
82
votes
13answers
89k views

Where can I find free music for my game? [closed]

I'm in need of some tunes for my game. Where can I procure some, preferably for free?
57
votes
7answers
16k views

How many threads should I have, and for what?

Should I have separate threads for rendering and logic, or even more? I'm aware of the immense performance drop caused by data synchronization (let alone any mutex locks). I've been thinking of ...
18
votes
1answer
9k views

Orienting a model to face a target

I have two objects (target and player), both have Position (Vector3) and Rotation (Quaternion). I want the target to rotate and be facing right at the player. The target, when it shoots something ...
332
votes
17answers
22k views

How can I effectively manage a hobby game project? [closed]

What are your tips and tricks to successfully finish a hobby game project in your freetime? How do you motivate yourself to keep it up and drive right through to the finish without losing interest or ...
46
votes
10answers
11k views

Game State 'Stack'?

I was thinking about how to implement game states into my game. The main things I want for it are: Semi-transparent top states-being able to see through a pause menu to the game behind Something ...
21
votes
5answers
4k views

Should actors in a game be responsible for drawing themselves?

I am very new to game development, but not to programming. I am (again) playing around with a Pong type game using JavaScript's canvas element. I have created a Paddle object which has the following ...
22
votes
4answers
3k views

How can I protect my save data from casual hacking?

What options are there for saving game data in a secure manner? I'm interested in solutions specifically tailored for C++. I'm looking for something that is fast and easy to use. I'm only concerned ...
53
votes
7answers
20k views

Good resources for learning modern OpenGL (3.0 or later)? [closed]

I stumble upon the search of a good resource to start with OpenGL (3.0 or later) . Well, I found a lot of books but none of them can be considered a good resource! Here two examples: OpenGL ...
89
votes
6answers
17k views

Version control for game development - issues and solutions? [closed]

There are a lot of version control systems available, including open-source ones such as Subversion, Git, and Mercurial, plus commercial ones such as Perforce. How well do they support the process ...
17
votes
4answers
15k views

How can I calculate the angle and proper turn direction between two 2D vectors?

I am working on some movement AI where there are no obstacles and movement is restricted to the XY plane. I am calculating two vectors, v, the facing direction of ship 1, and w, the vector pointing ...
60
votes
26answers
25k views

Game Development Degree vs Computer Science Degree [closed]

I'm at the point in my life where I'm starting to look at schools, and was hearing a lot of mixed things about schools such as Digipen or Fullsail that target game development specifically. As someone ...
16
votes
1answer
6k views

Isometric rendering and picking?

I've been looking for a formula to plot (world->screen) and mouse pick (world->screen) isometric tiles in a diamond-shaped world. The ones I've tried always seem to be, well, off. What's the ...
26
votes
5answers
4k 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 ...
72
votes
15answers
29k views

What are some good learning resources for OpenGL? [closed]

I have been using the OpenGL ES on the iPhone for a while now and basically I feel pretty lost outside to the small set of commands I've seen in examples and adopted as my own. I would love to use ...
48
votes
3answers
11k views

Optimizing an XNA 2D game

Does it make sense to implement the logic to skip rendering objects outside the viewport or should I not care about it and let the Framework do it?
77
votes
6answers
33k views

What is the future of XNA in Windows 8 or how will manged games be developed in Windows 8? [closed]

I know this is a potential dupe of this question, but the last answer there was 18 months ago and a lot has happened since. There seems to be some uncertainty about XNA in Windows 8. Specifically, ...
28
votes
3answers
7k views

How do you approach resolution independence in raster based graphics content?

Those games that are not fortunate enough to run on a locked platform spec, like handhelds, need to run across various resolution formats and aspect ratios. In a 3D game you might have a HUD or menu ...
16
votes
4answers
13k views

How can I develop my Android game for different phone resolutions?

For instance, the Motorola Droid is as wide as the G1, but has more height. Should I try to spread the UI out across the extra height found on the Motorola Droid? How do others handle this problem? ...
132
votes
8answers
26k views

Why are MVC & TDD not employed more in game architecture? [closed]

I will preface this by saying I haven't looked a huge amount of game source, nor built much in the way of games. But coming from trying to employ 'enterprise' coding practices in web apps, looking at ...
74
votes
11answers
36k views

How to develop RPG Damage Formulas?

I'm developing a classical 2d RPG (in a similar vein to final fantasy) and I was wondering if anyone had some advice on how to do damage formulas/links to resources/examples? I'll explain my current ...
61
votes
11answers
9k views

How to design a replay system

So how would I design a replay system? You may know it from certain games like Warcraft 3 or Starcraft where you can watch the game again after it has been played already. You end up with a ...
42
votes
2answers
3k views

Effective marketing strategies for independent game projects [closed]

I would really like to hear how other independents generally approach marketing their game with limited resources. I know how critical marketing is since I've seen it first hand on several fronts. ...
25
votes
6answers
8k 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 ...
7
votes
3answers
2k views

How do I make a 2D game resolution independent?

I'm working on a simple 2D game. I've finished the mobile phone version. However, my boss wants the game to works on his RT. I'm doing the "conversion" but my buttons are in the wrong places, because ...
97
votes
31answers
72k views

Must read game development books [closed]

Let's make a list of the best books that every game developer should read. Each answer should have a single book (by title and optionally author), a link to buy the book, and a short synopsis of what ...
84
votes
8answers
139k views

How do I get started making Android games? [closed]

I am new to game development. I am interested in developing 2D games for the Android platform. What is the best place to start with (i.e) What are the basics and how to proceed? I already have ...
95
votes
9answers
12k views

Entity communication: Message queue vs Publish/Subscribe vs Signal/Slots

How do game engine entities communicate? Two use cases: How would entity_A send a take-damage message to entity_B? How would entity_A query entity_B's HP? Here's what I've encountered so far: ...
52
votes
10answers
16k views

How can I get involved with open source game projects? [closed]

I have a limited experience in game development and would like to get involved with open source game project. Where should I look and how should I begin?
37
votes
6answers
9k views

How can I promote my game? [closed]

I am a beginning indie developer, and I want to get the word out about my game. What sites can I go to to ask about reviews of my game, and where might I be able to talk about and get feedback on my ...
53
votes
6answers
13k views

Why do we use scripts in development?

In my current project, Lua scripts are called by the C++ functions on the server side. After that, the scripts again call the C++ functions still in that solution. Why should we do such things and not ...
15
votes
7answers
22k views

In Pong, how do you calculate the ball's direction when it bounces off the paddle?

I'm trying to wrap my head around this very Hello World-y problem in game development. I've created a TicTacToe game in XNA so I guess the next step would be a Breakout clone. Keep in mind that I ...
22
votes
3answers
7k views

How to achieve a Neon-Light effect?

I'm wondering how to achieve a neon-light type effect. For example, in Pac-Man Chamipnship Edition: Or in Geometry Wars: Is that a Bloom Effect? Or what techniques would I have to look for?
14
votes
8answers
8k views

How should I sort images in an isometric game so that they appear in the correct order?

This seems like a rather simple problem but I am having a lot of difficulty with it. What should I do to properly sort images in an isometric game? In a normal 2d top-down game one could use the ...
11
votes
5answers
1k views

Finding other programmers to help on a project [closed]

As a semi FAQ question attempt : Where can you find people to work with you on a project? Particularly programmers. One thing that is obvious is that all programmers have a project (or twenty), and ...
6
votes
2answers
7k views

How do you determine which object/surface the user's pointing at with lwjgl?

Title pretty much says it all. I'm working on a simple 'lets get used to lwjgl' project involving manipulation of a rubik's cube, and I can't figure out how to tell which side/square the user's ...
86
votes
9answers
38k views

What are some programming design patterns that are useful in game development? [closed]

I have a few books on Design Patterns, and have read some articles, but cannot intuitively figure out which programming design patterns would be useful in game development. For example, I have a book ...
73
votes
16answers
46k views

Good game design books? [closed]

I have some experience in creating, however I like to have some well written reference material to help me produce better products. Are there any game design books that are not aimed at a particular ...

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