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

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2D Physics/Game Engine Recommendations? [on hold]

I'm looking for a 2D physics engine recommendation. C++ would be preferred, but is not required. I'm looking for something that can handle solar-system level speeds/distances/sizes, while still being ...
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0answers
51 views

For what type of tutorial should i give my money for? [on hold]

i am starting with game development, and there are a lot of tutorials out there. I want to learn some coding before starting some engine. My game will be RPG, with turn based battles, so suggestion on ...
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3answers
95 views

Proper way for Player object to communicate with Map object?

I'm writing my first game (in javascript / node over websockets) and am running into a bit of chicken and egg problem, and am afraid how I'm doing it right now won't scale once the game gets more ...
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7answers
4k views

Why do game developers write their own engines instead of using existing ones?

I observed that most of the most, big and well-known game titles developers oftenly develop their own engines - like Valve has their engine, Crytek has their own, Ubisoft has their own, Epic games has ...
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0answers
38 views

What game engines support 3D graphics for 2D games [closed]

The examples for such games would be: Trine 2, Super smash bros series, Donkey kong country returns, and such. Specifically, what 3D engines have features that support 2D gameplay. I am aware that ...
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0answers
56 views

Does the visual quality of a game depend on the artistic aspect or the game engine? [closed]

A lot of games made with free and non-popular game engines (eg. Panda3D), look much worse than the games made with engines such as Unity3D (using YouTube as my source of examples). So does the quality ...
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0answers
23 views

Modify game based on screen size

I'm making a game in JavaScript (something like Sonic or Subway Surfers, but much more simple and only 2d) - link to old version here: http://anagmate.moxo.cz/RUN/beta/. Right now, I want to have as ...
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0answers
54 views

Pros-and-cons of using Unity 3D to make an PvP Card Game with online matches [closed]

You see, I am looking for an engine to quickly make an online prototype of a trading card game. I was thinking about Unity3D, and wondering if I could make it work without sinking too many hours in ...
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1answer
93 views

Structure gameobjects and call events

I'm working on a 2D tile based game in which the player interacts with other game objects (chests, AI, Doors, Houses etc...). The entire map will be stored in a file which I can read. When loading the ...
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1answer
257 views

Handling game-state updates in an MMO while the player is logged out

I have a plan to build MMO strategy game like Goodgame Empire or Travian for windows phone. I want program it in C# Monogame (because I have some good experiance with it). But I still can't figure ...
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3answers
817 views

Question about separating game core engine from game graphics engine

Suppose I have a SquareObject class, which implements IDrawable, an interface which contains the method void Draw(). I want to separate drawing logic itself from the game core engine. My main idea ...
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2answers
104 views

Recommended approach for event system in Java

What are the recommended approaches for an event system of a turn-based RPG's battle engine? The system I'm currently working on has a runEvent method that sorts the actions queue based on their ...
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1answer
145 views

AndEngine - Performance problems with many entities

I'm developing a rolling scene based game I'm loading all the entities from a XML file and create them in the Loading Scene recently I increase the game width , and by doing so , in the whole level I ...
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2answers
1k views

FBX Importer - Texture Name

I have a problem with the FBX SDK. I read in the data for the vertex position and the uv coordinates. It works fine, but now I want to read for each polygon to which texture it belongs, so that I can ...
0
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1answer
131 views

Grid collision - finding the location of an entity in each box

I am trying to implement grid-based collision in a 2d game with moving circles. The canvas is 400x400 pixels. Below you can see the code for my Grid class. What I want it to do is check inside which ...
2
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1answer
74 views

Accessing the command line from in-game?

Is there a way to interact with the command line (Linux/Windows) from in-game using a game engine such as Unity or Unreal? I would like to have the user be able to jump on a console or even just ...
5
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2answers
354 views

Is networked gameplay inherently hard to debug and create?

I have worked with XNA before and made a simple networked game. I have also worked with Unity3D as well. One thing I notice on many game engine web pages is that they talk about how the engine is ...
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0answers
53 views

How do I convert a Source engine NPC model to a player model?

The Source engine's NPC and player models differ: An NPC model applied to the player has no animations. It cannot walk and holds its arms out to the side by about a foot. The weapon is held in the ...
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0answers
21 views

how to disable touch in Quintus?

hi i'm new in web games development and trying to build card game using the Quintus game engine i have object called card i can touch and drag it in the screen but i want just to touch and drag it one ...
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2answers
296 views

How can I support objects larger than a single tile in a 2D tile engine?

I´m currently working on a 2D Engine containing an isometric tile map. It´s running quite well but I'm not sure if I´ve chosen the best approach for that kind of engine. To give you an idea what I´m ...
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2answers
87 views

Fast determination of whether objects are onscreen in 2D

So currently, I have this in each object's renderer's update method: float a = transform.position.x * Main.scale; float b = transform.position.y * Main.scale; float c = ...
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1answer
1k views

Making efficeint voxel engines using “chunks”

Concept I'm currently looking in to how voxel engines work with a view to possibly making one myself. I see a lot of stuff like this ... ...
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1answer
379 views

How are entity systems cache-efficient?

Lately I've been doing a lot of reading on entity systems to implement in my game engine (C++/OpenGL). The two key benefits that I constantly hear lauded about entity systems are 1) the easy ...
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6answers
2k views

Physics-perfect (or somewhere near) 3d sound engine

I'm new to game programming, although I have some years of experience in console/web development. My problem is not so much that I can't find what I'm looking for, it's just that I don't have the ...
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1answer
77 views

Do total conversion mods require absolutely no programming or scripting skills? [closed]

I tried to look up total conversion and other mods as examples (Counter-Strike, Defense of the Ancients, Gunman Chronicles, Dear Esther, Natural Selection) but it is a bit difficult to find out if ...
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33 views

How to run C++ functions from other files [duplicate]

I want to set up my game engine I'm making to essentially load C++ code from another file, and to load initialization variables from those files also. I was thinking a system that has files that store ...
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0answers
67 views

OpenGL ES 2.0 state management best practices [closed]

I use a game engine with dynamic sprite batching for 2D games on mobile platforms (MOAI SDK). It already handles redundant state changes pretty well - with the use of texture atlases it only flushes ...
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1answer
101 views

GLSL Processed Image to OpenGL

I've tried wording and rewording this question in various forms of search and can't seem to find an answer to it. If I'm wording it wrong and/or just not finding the right information, feel free to ...
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1answer
147 views

Gamemaker vs Unity2d - Speed of Development [closed]

I know coding, so programming is not a problem Money is not a problem at all, I can get both GameMaker Master Collection and Unity Pro I want to make a 2d game. So which one is better for speed of ...
2
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1answer
119 views

How to run physics simulation in the background for possible future outcomes?

I'm designing a physics-heavy game in 3d. The core mechanic of this game is that the user gets to choose his actions based on probable future outcomes. For example - the player has a choice whether ...
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0answers
130 views

UI rich Strategy/RPG UI - 2D Game Engine or UI Toolkit? [closed]

I'm on the fence regarding the graphics engine of my current game and hope for some advice. This is an UI heavy strategy/rpg. Although the game is played on a (simple) 2D map, it is largely turn ...
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1answer
103 views

GPL Game Engine - What needs to be released under GPL?

I'm hoping I can clarify this issue. Note, a similar question has been asked here, but it doesn't really give a specific enough answer that I can comprehend at this point! :- How does one escape the ...
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1answer
61 views

What is the optimal way to handle matrix internal data storage for interop with native graphics apis?

I'm writing a managed (c#) game engine and have stumbled on a bit of a crossroads in design/implementation regarding matrix types. Matrix types need to be optimized for marshaling to native graphics ...
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1answer
107 views

What types of matrices are needed for game and graphics programming?

I am writing a 3D math library for general game development and want to know what type of Matrix classes I should include. Is just a 4x4 matrix enough, or must I provide 3x4 and dedicated rotational ...
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1answer
117 views

Fire Delay Timers

I currently have a turret that can fire projectiles. I can control the delay between shots (fireDelay), and I can control the time needed to reload the magazine of the gun(reloadDelay). I do the ...
0
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1answer
28 views

Moving multiple hingejoints based on joystick input

I'm controlling a 2D side-viewed (facing right) stickman with a joystick. The movements are fairly intuitive: Joystick down -> Stickman crouches down Joystick up -> Stickman stretches out ...
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1answer
119 views

The sprite will not move in libGDX

When I ran the android application, The sprite image will not move when I press the input keys. I followed a tutorial based on input keys and wish to know what's wrong. Can anyone see what's wrong? ...
11
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5answers
2k views

How can I run on multiple platforms using a custom engine?

Game engines like Unity and Unreal can run on mutiple platforms. I am wondering how they do this. I have been using C++ and OpenGL for a while, and what I am looking for is resources to integrate ...
2
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1answer
126 views

What is missing from SDL for it to gain more widespread adoption? [closed]

As I understand, SDL offers abstractions that let you make windows, handle input and audio much easier than doing so directly with the low level APIs provided by several operating systems. However, ...
20
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5answers
2k views

What do potential employers look for in a good portfolio? [closed]

A buddy from work and myself are wanting to get into the indie scene for game development. I've done a few tech demos demonstrating different ideas and approaches for various problems. Now, I feel ...
5
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2answers
2k views

How do I support variable screen ratios using AndEngine?

When displaying a background, AndEngine produces black bars above the image on certain devices. How do I support variable screen ratios for different devices using AndEngine?
4
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2answers
2k views

Use a SQL Database for a Desktop Game

Developing a Game Engine I am planning a computer game and its engine. There will be a 3 dimensional world with first person view and it will be single player for now. The programming language is C++ ...
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2answers
108 views

Currently developing a game with Android SDK, should I switch to a game engine in future projects? [closed]

I am an android developer, and I've made several apps on the Google Play Store. I'm currently working on my first game, which is just a simple RPG for android, that I'm coding in java with the android ...
15
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3answers
3k views

Does allocating and freeing a huge chunk of memory at startup “clean up memory”?

The book Game Coding Complete, Fourth Edition, chapter 5 (Game Initialization and Shutdown), section Checking Memory contains this interesting code sample: bool CheckMemory(const DWORDLONG ...
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1answer
58 views

Why is my application getting more CPU usage while it's halting the operation [closed]

I have a question about the way OS gives CPU time to the applications. Usually when I render my scene with a single object in it I get ~8% CPU usage, but when I stop the framework for further process ...
3
votes
1answer
100 views

How can I speed up cocos2d game engine?

I am developing a tower-defense game and I want to permit user to change game engine speed ,for example rotation speed of towers,rockets speed ,enemies moving speed ,counters and etc proportionally. ...
3
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1answer
99 views

Prewarming in particle engines

How is prewarming in particle engines made? I have a particle engine and need to support this, which is a feature I have already seen in Unity. Is it done at compilation, like informations stored ...
2
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1answer
88 views

How to subscribe to an event fired from any Instance/Object of type X

I'm currently working on a small game-engine and i'm kinda stuck on finding the right pattern to subscribe to an event fired from any instance of type X.To understand what i'm trying to achieve, here ...
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1answer
111 views

Is Unity a well suited engine for games with procedually generated environments? [closed]

I've been looking for a suitable game engine for a new project, which will rely heavily on procedurally generated 3d environments. I've been looking into Unity, but it's not clear to me at this stage ...
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2answers
92 views

Data oriented design vs visibility

I'm almost sold on the concept of a data oriented engine -- however, one thing still eludes me. If we pack the data from a large level into huge arrays and go over them, any visibility system that we ...