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

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1
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2answers
109 views

In-app update, live update, hotfix for mobile game

I'm researching how to make an in app update on mobile game. When there is a hotfix, or an update, users don't have to go to Playstore, or App store to update but update inside the game. (E.g. Clash ...
3
votes
1answer
81 views

Proper joystick input processing

Take for example, the Xbox One controller. XInput returns joystick input along 2 axis (x & y). I'm not sure if the hardware just measures voltage across 2 axis or not, I'm not very knowledgeable ...
15
votes
4answers
5k views

What are the pros/cons of using a 3d engine for 2d games? [on hold]

What pros or cons should a beginner be aware of when deciding between a 2d game engine (like Slick2D/Flixel/FlashPunk) and a 3d engine (like Unity) for 2d game development? I am just getting started ...
-2
votes
0answers
29 views

Cross-platform engine for a 2D graphic adventure [closed]

I am planning to make a 2D Point & Click adventure, just like the old Lucas Arts games. I was thinking of an engine which could let me making this game easier. The engine which I am looking for ...
3
votes
3answers
192 views

How do you apply relativistic physics to a 4x strategy game?

I had the big idea of trying to create a hard science fiction 4x strategy game (with the obvious space setting), which is supposed to simulate a realistic way of creating interstellar societies while ...
0
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2answers
133 views

How to wrap textures inside shader GLSL

I'm trying out GLSL and one of the problems I'm facing is wrapping a random texture sampler in the shader. Searching for answers on the web first, this leads me to using these commands: ...
1
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5answers
3k views

Make the game run 60 fps in Irrlicht Engine

I want my game run at 60 fps, but i don't know where to start, i have the simple loop: while(device->run()){ How do i lock the fps to 60?
2
votes
1answer
724 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 ...
5
votes
3answers
153 views

How to handle GameObjects that have been destroyed but are still held by others?

I'm developing my own game engine in C++ as a learning exercise. I have employed a fairly standard method of handling destroyed GameObjects: Mark them as destroyed Have the scene delete destroyed ...
7
votes
3answers
9k views

Ogre vs. Irrlicht [closed]

I've experimented a bit with the Ogre (http://www.ogre3d.org) and Irrlicht (http://irrlicht.sourceforge.net) engines, both of which are open source and are trying to fill similar niches. From what ...
1
vote
1answer
66 views

Coordinate system for a strategy game

I am working on a personal project of developing a simple 3D strategy game. I am working on my own game engine (let's assume that I have to have my own) and I have one theoretical question. How to ...
22
votes
5answers
5k views

Quick 2D sight area calculation algorithm?

I have a matrix of tiles, on some of that tiles there are objects. I want to calculate which tiles are visible to player, and which are not, and I need to do it quite efficiently (so it would compute ...
3
votes
4answers
1k views

Is it efficient to use lua to store game data?

I'm new to lua and I'm wondering, is it efficient to use lua to store game data (such as monster's description, spells). My problem is, when I try to create a monster object every second, I have to ...
0
votes
1answer
42 views

How to avoid mouse click over the trigger object?

I'm detecting the mouse clicks if the click is happened over the collider but i dont't want to fire mouse click if it is on the trigger object. How to i do this. Anyone give me a suggestion. Thank ...
1
vote
1answer
62 views

Simple UI components in a game

How are simple UI inputs typically handled in 2D mobile games? For example, text input boxes and keyboards. It seems that many game engines do always have simple UI components. There are obvious ...
1
vote
1answer
292 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 ...
4
votes
1answer
74 views

Finding it difficult getting to grips with LibGDX [closed]

So I have spent about a week now learning libGDX and have made very little progress. I started small and wanted to make a strategy game where there is a tiled map of squares and you control a ship, ...
4
votes
2answers
104 views

Decoupling input from game states / entity behavior

I'm looking for a way or general best practice advices for decoupling the architecture of my game, in the example below the input from the current game state workflow / entity behavior. While I'm all ...
-1
votes
1answer
45 views

Unity3D 5 Personal? [duplicate]

I want to make a game in Unity3D and I am planning to launch it to Android using the free license. However, if the game becomes a huge success and earns more than $100k, does (a) unity take the money ...
74
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15answers
135k views

2D Gaming Libraries/ Frameworks/ Engines for Android [closed]

Are any such things available to help me build my Android game?
2
votes
1answer
177 views

Should I implement Entity Component System in all my projects?

I'm not here to ask for any specific code implementation, I'm here just to make my ideas clearer. But let me explain the situation: I have already developed some little and amatorial game projects ...
1
vote
1answer
42 views

Quaternion Types in Game Engine

I've recently been coding a quaternion class for my game engine and have run into a problem. Firstly, should I be using unit quaternions for my engine? Secondly, should I have the functions ...
2
votes
2answers
61 views

LUA form/scene loading

At the moment, I'm working on a small game project using LUA and the love2d framework. Using this framework, I've made my own assets (i.e. button images, form images, etc), and using these assets I've ...
4
votes
2answers
220 views

Complex system-component dependencies in entity-component system?

I am trying to design a typical (data-oriented) ECS engine. The issue I am struggling with is that my rendering system have to rely on two different sets of entities to actually do rendering. My ...
5
votes
1answer
119 views

How to detect collision only in non-transparent texture?

I am developing a game using libgdx. I am trying to detect the collision between bee and tube. I am using the following code to detect the collision. if(player.getBounds().overlaps(boundsBot)){ } ...
0
votes
1answer
81 views

Why is the alpha value of a Sprite in LibGdx 0.99607843 and not 1?

I'm developing a game in LibGDX and one of my problems is related to the alpha value of a Sprite object. If I create a new Sprite sprite object then sprite.getColor().a is equal to 0.99607843 and not ...
6
votes
2answers
3k 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
votes
3answers
111 views

Alternative to entity system in a game engine? [closed]

I have been developing a game engine. I was wondering what I should use for a component system. I've read up on entity component systems, but what other alternatives are there? The idea of searching ...
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votes
1answer
42 views

How are pocket dimensions created in multiplayer games? (programming aspect) [closed]

How do multiplayer games deal with multiple instances/dungeons/regions? I'm familiar with server clustering which is what larger games use such as Eve and World of Warcraft. How do games such as ...
0
votes
1answer
59 views

Organizing Setup(), Update() and Draw() function in a game engine

I'm creating my first game engine and I want help with organizing the Setup(), Update() and Draw() functions in the correct way. Here is how my main() function looks like /* BEGIN main() Function */ ...
-1
votes
1answer
433 views

How to compute matrix transform local/world on OpenGL

I'm developing an OpenGL program where each object / entity contains m_WorldPosition, m_WorldOrientation, m_WorldScale and m_WorldTransform (Vector3, Quaternion, Vector3 and Matrix4f). The problem is ...
13
votes
6answers
15k views

Where do I begin if I want to write a C++ 2d game? [closed]

Clarification: I'm not asking for the best place to start. I'm just asking for a place to start. I am a C# web developer and I want to expand my skillset and have some fun while doing it. I know some ...
3
votes
3answers
176 views

Using two languages in a game engine?

I'm thinking about making a game engine as a learning project. I know Java the best and I figure most of the code is not going to be running that much of the time, (20/80 rule) so why not write most ...
1
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1answer
82 views

Want to create live-voice chat between players either in unity or unreal engine [closed]

I would like to create a real-time voice chat in either in unreal or unity between the players.I would like to associate and apply this voice-chat depend on username. I am saying "or" for the ...
2
votes
1answer
57 views

How to store renderer vertex / index data in scene graph objects?

I have a SceneNode class which contains a Mesh instance. The Mesh class stores client side information such as vertex and index arrays (before they're uploaded to the GPU). I also have an abstracted ...
2
votes
1answer
29 views

Unreal Engine Player Quality

I had to force Unreal to use my integrated graphics card because VR wasn't working with my NVidia card. When I did this, the framerate dropped terribly and it popped up a dialogue "Frame rate's bad, ...
0
votes
0answers
16 views

How to parse a and displat TMX map object in SDL using tmxparser ?/How to make a platform game using tiled editor and SDL?

I am newbie in this field getting too much trouble in simple platform game for one of my project module if you guys could help or share some code. This is what I have done till now. I could parse a ...
-1
votes
1answer
47 views

Why not draw a custom font with lines and/or polygons?

Reasons/advantages I see: More flexible procedural animation. Completely custom font. Performance (no texturing or high-poly)? No assets (unless data-driven). Multi-resolution compared to sprite ...
3
votes
1answer
58 views

Ideal draw order - sort primarily by distance or material?

When it comes to pre-sorting the draw calls for a given frame, I am aware of two different methods for optimising. The first is to batch draw calls by their material. This minimises shader changes ...
44
votes
12answers
4k views

How can people recognize what engine a game uses?

About many games you can say "oh that's the Unreal Engine for sure", or "this was made by upgrading GTA 4", etc. We can often recognize the engine used for a game just by looking at its graphics ...
16
votes
6answers
4k views

How do I correctly use singletons in C++ engine programming?

I know singletons are bad, my old game engine used a singleton 'Game' object that handles everything from holding all data to the actual game loop. Now I'm making a new one. The problem is, to draw ...
4
votes
2answers
45 views

Threading/Streaming files while rendering the scene

I am writing a game engine and am trying to wrap my head around data streaming while rendering. What I mean by this is being able to load resources (however slow it may be) while rendering and not ...
-4
votes
2answers
101 views

The Power of 2D Engines vs Modern 3D Games [closed]

I'm toying around a lot with Game Maker. I really like it. GML is very simple and with its nearly object oriented design you could create anything in 2D you can think of. However there is a limit. ...
0
votes
0answers
37 views

Stencil buffer confuse

I was trying to make two object outline. One would color the object with orange and other with green. I just wanna know if is it possible to have two object outline at the same time because every time ...
16
votes
2answers
2k views

Can I embed a game in a Pdf Resume?

I was thinking how it could be cool to have an interactive game on resume. (Obviously the digital version, not paper version.) For the sake of this question and scope of this site, let's ignore ...
50
votes
9answers
69k views

Easy to use cross-platform 3D engines for C++ game development? [closed]

I want to try my hand at writing a 3D game. However I don't want to start at such a low level of drawing individual triangles and writing my own 3D object loader and so on. I've heard of things like ...
-1
votes
2answers
92 views

How to model an Attack( ) action? How to model combat? In general, how objects communicate?

I never understood how would you elegantly describe two people talking in OO. I think this question extends to how similar objects communicate in general. I am designing a game now and Units have to ...
0
votes
2answers
97 views

Connect phone to computer? [closed]

In order to test out my game, I need to use my real life device. The problem is, android studio isn't recognizing my device plugged in: The problem: My device isn't getting detected in android studio ...
2
votes
1answer
36 views

Draw lines in game scene [closed]

I want to do game for Android that allows draw lines. These lines should be physic object at the same time. I am good at Unity3D and I tried in Unity3D. But it is not supported. What engine should I ...
-1
votes
1answer
47 views

Manager Game Logic [closed]

I'm currently trying to figure out a way where I can achieve the following; Pre-Calculate the game - This will predetermine any event / interaction between the players. Simulate the calculation - ...