Game engines are a collection of libraries and tools that provide a framework to create games.

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What's the difference between a Game Engine and a Physics Engine?

What's the difference between a Game Engine and a Physics Engine? How do they work together, and what's the meeting point between them?
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Which software licenses cover my needs?

I want to license my game to protect my intellectual property, but also want to open-source, and sell it. Which licenses will allow me to do this? I'm not a legal expert, and I have no experience as ...
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How does one escape the GPL?

DISCLAIMER I don't pretend to know anything about licensing. In fact, everything I say below may be completely false! Backstory: Recently, I've been looking for a decent game engine, and I think ...
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4answers
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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 ...
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1answer
226 views

Should I use reference counting on entities in component-based entity system? [closed]

In component-based entity system, should game objects be reference counted? What about components? Tell me please your pro and contra.
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132 views

Saving/loading code structure [closed]

I have a tree of game entities composed of components. I want to save/load everything to xml file, where my saving/loading code must be located: Scene class containing root node and functions ...
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2answers
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c++ opengl sdl game engine tutorial

I have a decent knowledge of sdl,opengl and fmod. i am looking for a recent tutorial or book on the basic of making a game engine. Most of the book and tutorial i found are using old dead library like ...
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1answer
204 views

Game Engine Collision Handler

I'm making a collision handler for a Java game engine. I made an interface called Collidable. I have a method called onCollision which takes the parameter of my Engine Game Object. public void ...
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191 views

BSPs, Octrees and modern graphics hardware

I have read a lot of literature on BSPs, Octrees and like. Problem is that it is all old literature from software rendering time. Nobody describes how it is implemented today. So here is my idea how ...
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2answers
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Is there any option other than Component Based for game architecture?

Having read a lot recently on Component Based systems (for games), i find it hard to go back to my earlier state of mind. If static object hierarchies fail to model "objects with a dynamic set of ...
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1answer
768 views

Resolution Independent

I am developing a game with XNA and I am a little desperate with resolutions. For now I have only implemented the main menu but I want to get a game that is independent of the resolution. As I am a ...
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1answer
416 views

Is there anything equivalent to Portal 2's linked_portal_door in any other engines?

I need the functionality of the linked_portal_door that's in Portal 2. I've searched a little in UDK and mostly got people trying to duplicate the portal gun. Does anyone know if UDK, CryEngine, ...
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1answer
539 views

Choosing the right game engine [closed]

1 down vote favorite I'm trying to create a game in java inspired by a Gameboy Color Zelda game. I'm exprienced in java but not in game programming. I've been doing a lot of research on game engines, ...
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2answers
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Looking for game engine to mock around

I'm a software engineer student (about to start my 2nd year) and I did really enjoy last years object-oriented programming and working with Java (greenfoot and later eclipse) to make simple games. I ...
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5answers
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How do i choose what technology to use for a 2D game like Pokemon? [closed]

I apologize in advance for the wall of text about to come. I've had an idea for a game for a while now, and am stuck at step 1 of game development: Choosing a language/engine. I've read a whole ...
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2answers
417 views

Where and how to promote an HTML5 game engine?

I've recently completed an engine, called Irenic. Now, I was wondering, how could one promote it? The process surely is different than promoting a game, because a game can be played by almost anyone, ...
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3answers
226 views

Are there any good ways to know if a resource is patented trademark or illegal to use?

This is something that I worried about for a long time. While making games, it is hard to tell for sure if any of the resources are copyrighted unless a person is clearly aware that they are to a like ...
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1answer
904 views

Managing Game States

I'm thinking about making a StateManager for my game. I want to know how to design it; that is, how to use a stack to push and pop states onto, and draw them to the screen. For example, should each ...
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3answers
304 views

Central renderer for a given scene

When creating a central rendering system for all game objects in a given scene I am trying to work out the best way to go about passing the scene to the render system to be rendered. If I have a ...
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3answers
835 views

What platform were old TV video games developed on?

I am very eager to know how TV video games (which we all used to play in our childhood) were developed and on which platform. I know how games are developed for mobile devices, Windows PC's and Mac ...
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1answer
451 views

Is my engine concept a good one?

I'm currently writing a generic engine for my incoming games. I have developed few games already but never with the same "base" and my code was/is quite a mess. The idea was to create an engine that I ...
2
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1answer
363 views

Efficient manager/controller for uniform and/or attribute variables in a rendering engine

Most engines on the market have their drawbacks and it's difficult to find a simple/light-weight one that's open-source and doesn't have to put you through a rather complex learning process. Writing ...
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0answers
243 views

What engine/technology should I work with to accomplish my unique design goal? [closed]

I'm looking to begin a procedurally generated open-ended sandbox game and would like some educated opinions on a good starting point. (Take a look at the "Engine Specifications" if you don't want to ...
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2answers
532 views

How is xml being used for a game engine

In this question the first answer explains a way of defining components of a gaming engine in xml like this: <?xml version="1.0" encoding="UTF-8"?> <mobs> <mob> ...
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3answers
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How smartly implement scripting in game

I'm developing a game engine. It is supposed to be an entity/components based one. For developing my game itself (using my engine of course) i though to use some scripting language to actually create ...
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1answer
202 views

How would a sprite spawn more sprites under themself every second?

I am making a snake game and am having trouble to make the snake go longer, at the moment when I run the program, I just have the snake head eating apples. But I want the snake head(30x30) to spawn ...
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Are there any narrative (or at least non-spatiotemporal) focused engines/frameworks?

EDIT (2): Since there are two answers and I haven't accepted any of them I figured I'd motivate what I'd consider an answer here: Either something strongly suggesting any such approach would be ...
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1answer
219 views

What data should a generic collision detection system gather?

I'm working on a relatively generic 2D AABB collision detection system for a game engine, and I've re-written it more times than I'd like to admit due to not calculating/recording specific details of ...
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1answer
461 views

Writing a Massive Multiplayer Onlinegame by Own [closed]

I wonder how long it will take a single person to write a complete MMO engine. Is this possible? This question is only about the engine development. There will not be a lot of models or level design ...
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3answers
888 views

What Javascript game engines are out there, other than Impact? [closed]

Does anybody know of a decent (meaning preferably free ;)) alternative to Impact? Any suggestions are very much appreciated!
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5answers
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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 ...
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1answer
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How much would it cost to produce a game engine, and website to sell it from? [closed]

I've been considering for a long time how much it would cost to hire developers and programers to make a game engine and website for the engine? Posibly even some graphic designers for game engine ...
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3answers
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Why is it a bad idea to store methods in Entities and Components? (Along with some other Entity System questions.)

This is a followup to this question, which I answered, but this one tackles with a much more specific subject. This answer helped me understand Entity Systems even better than the article. I've ...
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SharpDX and game engines, back to zero?

I'm a desktop developer (I mainly do WPF for a living) but I want to make games as a hobby. So a few months ago, I started reading blogs, gamedevSE, you name it. I understand in the C++ DirectX ...
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1answer
293 views

What data structure should I use for a 3D platformer game?

I am developing a platformer game with XNA framework like Metroid but in 3D. Now I have to draw models and I have the question of the title. I read many post and I know that the main data structures ...
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1answer
185 views

What is the optimal way for updating different entities in an engine?

EDIT: half of my question seemed to disappear, but thankfully, it was still in the clipboard. When I say entities, I mean instantiations of various classes in my engine (example class: ...
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2answers
340 views

What would be the problems with using a singleton design pattern for my engine?

I'm desiging an HTML5 2D game engine in Javascript, and currently, I use the singleton pattern. There is only one global object in the namespace called simply Engine. All other objects are ...
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0answers
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player cannot see up and down in the dialog mode in VBS2 VTK

I'm developing scenario in vbs2 vtk. In my scenario I need to use dialog mode for satisfying some requirements. I've successfully created dialog and I need movement in the dialog so that is also done. ...
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1answer
205 views

javascript function with game engine

I have coded my main menu for the game in html/css and need the image buttons to function with the engine using JavaScript. For example: Skip (Enable) Which skips the menu when you come back to play ...
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2answers
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Ways to expose engine API for text-adventure games (XML, JS/DSL, …)

While developing an engine for text-adventures I'm still unsure how to expose the API it provides to the developers/writers. My two concepts for now are: Running a small JS engine which executes JS ...
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Does a basic game engine prototyping tool exist, for common game types?

There are a lot of classic game engines out there (Real Time Strategy, Turn Based, etc), of which you can find countless variations. All of them have a basic starting point which involves units, ...
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What mathematics would I need to know in order to build a 2.5D raycasting engine

I realize this is a fairly common-type question, but I've been studying Maths in my spare time, fairly slowly at that, and I really want to develop a raycasting engine like the original DOOM. I know ...
6
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1answer
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Matrices: Arrays or separate member variables?

I'm teaching myself 3D maths and in the process building my own rudimentary engine (of sorts). I was wondering what would be the best way to structure my matrix class. There are a few options: ...
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3answers
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What is a game framework versus a game engine?

What is the difference between a game framework (e.g. XNA with C#, SDL for c++) and a game engine? Do game frameworks USE engines? Does a game engine encapsulate sub-engines like physics engines, ...
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1answer
185 views

Math major as a viable degree [closed]

While I realize there are many topics about CS vs software engineering vs game school programs, I haven't found anything relating to whether pure math degrees (with CS minor and electives) would also ...
0
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1answer
186 views

Design patterns for effects between actors and technology

I'm working on my first game, and taking the opportunity to brush up my C++ (I want to make as much of it as portable as I can.) Whilst working on the technology tree and how it affects actors ...
0
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1answer
228 views

How to keep balance / Unlock items / achievement rules

I'm working on an engine for a game, too learn javascript and just because its fun. I'm a flashdeveloper, I know how to build websites. Now making games is a different challenge, javascript is a ...
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2answers
2k views

Java: How to Make a Player Class in a Tile-Based RPG

So I've been following a JavaHub tutorial that basically uses a pixel engine similar to MiniCraft. I've attempted to make a Player Class as such, and I'm basically making a mock Pokemon game for ...
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3answers
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Split a 2D scene in layers or have a z coordinate

I am in the process of writing a 2D game engine, and a dilemma emerged. Let me explain the situation... I have a Scene class, to which various objects can be added (Drawable, ParticleEmitter, ...
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Game engine lib and editor

I would like to know the best way/best practice to handle the following situation. Suppose the project you are working on is split in two sub-projects: game engine lib editor gui. Now, you have a ...