Game Programming for Beginners

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Every budding game developers adventure starts off with an idea of a game theyd like to make. Itll have some monsters inside of a dark and creepy 3d haunted house and the player just has to avoid them and find the way out. Itll be really simple. Little do most newbies know, few game ideas are ever simple. Its a mistake to think that just because something iscommon, that it musteasy. Sure, almost every first person shooter video game on the market has rocket launchers, jump pads, elevators, and vehicles, but its definitelynot easyto make those things.

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Many game developers like to start from scratch and build a game from the ground up, doing (almost) everything themselves. This is afantasticway to learn about game development and programming in general. To go at from this direction, the first thing youll need to do is pick a programming language.

A common mistake new game developers make is that they think game engines are essentially magical programs where you just add in your own graphics, change a few lines of code, and like skinning a web forum, voila! You have your game! This just isnt true. The term game engine is so widely used and misused, it really has no concrete meaning. An indie game developer can come up with a game engine in a few weeks, and then there are professionalAAAgame engines in the industry that take teams of programmersyearsto write.

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In this case, start simple. If you browse the forums, youll often see veteran game developers tell newcomers to start off by making Pong, instead of the idea the really want to persue. The suggestion is not an insult, its a proven strategy. When you start off, try to copy an old school game like Pac Man, Missile Command, or perhaps a simple board game like checkers. The simpler your first game is, the greater your chances of success. You will also be surprised at how much you will learn from a Pong clone, and how much of what you will learn will apply to games substantially more complex.

If theres just one thing you need to know before beginning to learn how to make games, its this:

b) youre an expericed programmer or have at least read a book about C

When you already know what programming is all about then its a little easier for you to get started on the more advanced games. Even when you are an experienced programmer, it doesnt hurt to start off simple just to get to the feeling of how programming games differs from applications or web development. In some cases you may even want to learn a new language.

When you think youre finally ready to create a game, or to start your journey in game development, the first problem youll encounter is come up with a good idea. All too often the first ideas that come up are copies of the current state of the games. The idea here is to stay with your feet on the ground.

After you have an idea for your game, the next step is to decide how you will approach creating your game. There are more or less, two approaches:

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You might say, Yeah, but I just want to make a game like Mario. It cant be that hard. Despite having a genesis over 25 years ago, even 2D platformer games are difficult to make. Ask any game developer who has made or has tried to make one, and youll war stories about post-midnight coding madness of trying to make the subtlties of player movement and collision work correctly. Even though it seems simple from a gamers perspective, from a gamedevelopersperspective, theres a multitude of processes that must be carefully and correctly crafted to make a game.

So you want to make games, eh? Prepare yourself; Its a long and arduous journey.

However, at their core they all tend to do the same things. A game engine is a collection of code, possibly from multiple sources, crafted to work together to handle the basic elements that almost all games need. Those elements tend to be: graphics rendering (2d or 3d), physics (collision detection and response), player input (handling keyboard and mouse events), and potentially other things such as networking, menus, high scores, and more. Game engines which handle a lot of that busy work for you, can definitely save you a lot of time and effort when creating your game, but dont be fooled into thinking that it still wont take a lot of time and effort to utilize that game engine.

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a) youre a complete beginner with little or no programming experience

Game builders are a different breed from game engines. Game builders tend to be what most new game developers think a game engine is. In other words, typically with game builders you do just slap in some graphics, write a few lines of simple scripts, click some checkboxes and change some settings to add some behaviors, and you click a magical Build button and your game is done. Game builders can be a good way for very young kids to make games and foster their creativity, but the very process which makes them fast and easy, makes them inflexible and limited.

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