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

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Increasing flexibility of a data passing system in a component based entity system

I'm creating a Component orientated system for a small game I'm developing. The basic structure is as follows: Every object in the game is composed of a "GameEntity"; a container holding a vector of ...
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1k views

3d transformation of game world keeping gameplay 2d - COCOS2D 2.0

Using: COCOS2D + iOS. I want to rotate the game world, may be loading another .tmx file for another dimensions when user want to switch dimension. the effect what I am looking for is something like ...
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421 views

The right way to start out in game development/design [closed]

Greetings everyone I'm a 19 year old student looking for some help in the field of game development. This question may or may not seem a bit overused, but the fact is that game development has been ...
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2answers
232 views

Making an interface for input in C - How?

I have a big question. I started to develop a simple 3D engine (or should I call it framework?). I use OpenGL for rendering and it is developed for Windows. It is all written in C. But I don't know, ...
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1k views

Sharing VBO with multiple objects and fixed size buffer data

I'm just messing around with OpenGL and getting some basic structures in place and my first attempt resulted in each SceneObject class (just contains vertex information right now) having it's own VBO ...
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244 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 ...
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2k views

Andengine Traffic game: moving sprites along path on map

I'm developing simple traffic educational game like https://market.android.com/details?id=cz.allianz.krizovatky.android . When the player taps on car sprite, it started to move with other cars. If ...
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4answers
1k views

Beginning RTS game student project [closed]

I have experience with XNA and Unity3D. I have also built my own engine with Tao and C#. I am in last year of college and I want to make a small RTS game demo, nothing fancy I won't bother much with ...
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605 views

Tile based game engine for WP7?

I showed my friend a demo of what I was doing with the farseer physics engine on the windows phone and he wanted to know if farseer would be good for a game he wants to develop. It's a tile based game ...
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45 views

AntTweakBar doesn't register SFML mouse events

I'm trying to add GUI for easier level editing in our game engine. We're using SFML for all the basic stuff (window management, input events etc). I've chosen AntTweakBar because it is a well known ...
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80 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 ...
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201 views

Resource streaming with job threading system

I am currently researching resource streaming for my current game engine. To add a bit of context, I am doing a contiguous world for a Baulder's Gate style CRPG. So while the camera is usually looking ...
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96 views

When should we save our game data?(Before quit game or just when some data changed?)

For standalone game, what's the best time to save game data, such as player's coin, player's level, skill data and so on. Save data before we quit game.So we just save data to file just one time, ...
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2answers
128 views

Is it possible to run GLFW eventhough my graphic card(Nvidia) supports Direct3d API? [closed]

I have Nvidia 820M GPU installed in my windows 7 machine. In nvidia control panel it is showing it supports Direct3d API version 11. Am I able to run OpenGL applications(using GLUT,GLFW) on my machine ...
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413 views

Does game engines (like Unreal, Unity, Crafty) add value compared to pure js frameworks (react, ember..) for my isometric tile-based games [closed]

I'd like to create a huge tile-based board (say 100K tile). The game does not have any advanced graphics (you don't see the players or landscapes), the main difficulty is that it has 100K tiles to ...
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204 views

Unity engine vs JS engine for browser game [closed]

I'm trying to do a browser based game and I don't want to create my own game engine, no sense in recreating the wheel. Should I use Unity as my game engine? Or should I focus on a more Javascript ...
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351 views

What's the difference between an “SDK” and an “engine?”

In delving into Game Programming, I have encountered both SDKs and Game Engines. Please define these, and give their relationships and differences to each other.
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650 views

Using Unity 3D in LibGDX

Is it possible to use Unity 3D engine with LibGDX when making Android game apps? Is it also possibly used for making 2D games using Unity 3D and LibGDX? I would like to know if it's possibly ...
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958 views

How would I detect if two 2D arrays of any shape collided?

Say there's two or more moveable objects of any shape in 2D plane, each object has its own 2D boolean array to act as a bounds box which can range from 10 to 100 pixels, the program then reads each ...
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1answer
369 views

OpenGL / Assimp oddity or error?

A friend and I are working on developing a game engine in C++. He doesn't live anywhere near me, so we use Dropbox to sync our files. I opened his project to test his code, and I kept getting errors ...
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366 views

Do “write once run anywhere” engines require platform specific code for multiplayer?

I've been investigating the myriad selection of mobile game dev engines that allow compilation of your code onto multiple target platforms, but, something I can't seem to figure out is if ...
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125 views

Progressively loading the racing arena in a 3D driving sim

I need advice and resources on a 3D car simulator. I want to progressively load the track for the player as I'm thinking of porting the game to mobile devices. This seems too difficult to me as I'm ...
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2answers
148 views

Informing GUI objects about screen size - Designing

I have a problem with designing classes for my game which I create. In my app, there is: class CGame which contains all the information about game itself, e.g. screen width, screen height, etc. In ...
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163 views

Help with Collision Resolution?

I'm trying to learn about physics by trying to make a simplified GTA 2 clone. My only problem is collision resolution. Everything else works great. I have a rigid body class and from there cars and ...
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1answer
802 views

Sony PSM SDK's 2D game engine

I have started with the Sony PSM SDK this week, I'm interested in creating a little 2D game and have been reading through the web about a so called "2D game engine" integrated into the SDK. Some ...
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505 views

3D space game development [closed]

I want to develop a 3D game (sci-fi type with spaceships) which can be played on multiplayer mode and by multiplayer i mean around 10 players for start as it will be a personal testing project and ...
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2answers
506 views

'Game rules' as data in data driven engines?

I've read the definition of data driven game engine in several places and one item usually mentioned is the game rules: separating them from the logic of the engine. What is meant by a 'game rule'? ...
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254 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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1answer
506 views

Facial expressions capabilities in various engines [closed]

For a research project, I am developing a small game focused on non-verbal communication clues, like facial expressions (smiling, frowning, looking bored, etc), eyegazing, proxemics, etc. My main ...
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2k views

Inventory Management concepts in XNA game

I am trying to code the inventory system in my first real game so I have very little experience in both c# and game engine development. Basically, I need some general guidance and tips with how to ...
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3answers
941 views

How to integrate game logic in game engines

Recently I'm working on a 2d game engine example in .Net with C#. My main problem is that I can't figure out how I should include the game logic within the game. Currently I have a base engine which ...
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1answer
5k views

What are C++ libraries? [closed]

I am a total beginner in C++ and programming generaly. I have watched a couple hours of C++ tutorials and read a lot about it (Can anyone recommend some tutorials?), but what I've come across and ...
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1answer
2k views

Whats the best cross-platform game engine that supports Linux? [closed]

What is the best cross-platform game engine, being the most commercially supported, there is for free available for development on Linux? I'm planning on creating multiple, non-commercial, fps games ...
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564 views

Network Abstraction for a Java Game Messaging System

I'm currently working on an online java game. Currently building the messaging system between the client/server and I came across a big if. I am not experienced as a game programmer, only worked with ...
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59 views

Managing game states (states flow, controlling the state machine…)

I am currently struggling really bad to make the game states management. Before we dig into the problem, I must point out that I do know about state machines, I do have both implemented (states and ...
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2answers
55 views

Where could i find 3d items in 3d points array?

I've been reading a lot but i can't find any answer, evenmore, English is not my main language so i don't even know how to ask it correctly. I'm currently working on a 3D render engine on JS and ...
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112 views

Updating children nodes in a game engine

I am writing my own small game engine (thin layer based on SDL2) in C++. My base class is Node (contains information on an entity's position, scale, rotation, etc.), And I've got two special ...
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1answer
1k views

How can I do sprite batching in SFML?

I'm new to game dev and using SFML. I need to use lots of sprites at the same time, so I will probably need sprite batching. I know that sprite batching is used to draw multiple sprites with a single ...
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85 views

State system and animation of derived classes

I'm trying to get some kind of state system for my game objects. I have a base Actor class that is derived by classes like Policeman, Informant or Brawler. Each of those classes describes different ...
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3answers
145 views

Handle many objects to draw in XNA

in my 2D engine - using XNA 4.0 - I´ve an issue with handling many objects. The way my engine works is that I only draw visible sprites (base objects) and ignore those sprites out of the current ...
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103 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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305 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 ...
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213 views

How can I manually control the lifetime of actor objects in C#?

I have the following Actor and Scene classes : public class Actor { string name; vec3 position; quat rotation; public void Update() { ... } public void ...
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1answer
382 views

What are the advantage/disadvantage of publishing a game as Chrome App over Android app?

I have a 2D game on my mind that I wanted to develop. Though I am quite familiar with using Javascript, CSS3 and aware of HTML5's canvas, I am also aware of Chrome App and its ability to work offline. ...
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294 views

How can I implement jumping in a 2D game using bounding box collision?

Problem: I'm trying to implement basic jumping to my 2D game engine, but have failed several times. Basically what I've done so far is disabling gravity and using a separate function moving the player ...
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2answers
189 views

Why does this exported cube have too many vertices?

I'm trying to export md5mesh models. Just as a test I decided to export a simple cube (i.e. with 8 vertices). When I opened the .md5mesh file it lists the following: numverts 24 numtris 12 ...
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424 views

Should i use a graphics engine or do the low level graphics myself? [closed]

programming is more of a hobby for me right now as i'm still in highschool. when i get to college i plan to make it less of a hobby and more of a profession. but for now what would you guys suggest ...
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359 views

Correct way to update my physics frame rate

I've searched around here and Google and at last I looked at Fix your Timestep! article on the web which most of the people suggest. In according to that article I came up with an update method like ...
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168 views

Positioning sprites in a Component-Entity engine

I'm building my first component/entity engine and I'm not so sure about some of my choices. I'm here asking suggestions on my first doubt. I draw objects with 2 different behaviours: 1) Position ...
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285 views

How to make a character “jump” when leaving an up slope?

I have developed a game in Android using a tile-based system. I´ve implemented 22º, 45º and 67º up and down slopes and everything works (almost) perfect. The problem now is that, when the character ...