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

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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 ...
3
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1answer
70 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
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1answer
56 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, ...
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0answers
38 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 ...
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1answer
61 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
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1answer
86 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 ...
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2answers
55 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 ...
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2answers
123 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. ...
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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 ...
3
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3answers
238 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 ...
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0answers
43 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
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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 ...
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2answers
107 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 ...
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2answers
102 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
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2answers
77 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 ...
2
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1answer
40 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 ...
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1answer
48 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 - ...
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1answer
78 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 ...
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1answer
73 views

DirectX is difficult sometimes [closed]

I recently started DirectX 11. Sometimes I can't get my head around it. First of all what are COM objects and why we do have to release them? I have done most of initialization, but I am stuck in ...
2
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0answers
69 views

What is the best abilities modding system that you encounter in games? [closed]

I'm thinking about designing an abilities system (as in a moba game). Most important goal is to be able to easily create new abilities in the editor, with a low learning curve (ultimate goal: simple ...
2
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0answers
28 views

difference between an engine and a library [duplicate]

I'd like to know the difference between a library and an engine. I've searched some information and if I'm not wrong, an engine gives you more options and makes work easier than a library. An engine ...
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2answers
56 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 ...
4
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1answer
127 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, ...
2
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0answers
124 views

What are the newest alternative to all-in-one game engines? [closed]

I have been seaching a while for recent alternative to engines like unity or unreal, however, I haven't found one actively maintained that meet my needs. For instance, I tried irrlicht with maps ...
1
vote
1answer
47 views

openGL : render each mesh at their respective locations

At the moment I have a single mesh, and I give the vertex-shader a matrix which holds the objects position, scale and rotation, and it seems to work. in vec3 position; uniform mat4 object; uniform ...
2
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1answer
46 views

Libgdx - Viewport for Tetris-style game [duplicate]

I'm a beginner in libgdx, and I'm trying to create my first game. It's pretty simple, circles are falling from the top and sides of the screen, and the user needs to "blow" them before they touch the ...
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2answers
134 views

Low performance from unordered_map when accessing elements in member template function in derived class

I'm trying to implement a component based architecture on a game engine project. Each GameObject has an unordered_map that holds a pointer to Component base class. At this point, I only have one ...
3
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3answers
113 views

Creating a Game Engine: How to position game objects (top left vs. center)

I'm building a custom game engine in C++ using SDL and I'm not sure how I should define the position of my game objects. I tried googling a bit but I wasn't sure how to refine my search terms to get ...
2
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0answers
84 views

How to develop a good game project? [closed]

I have enough experience in both C++ and Java, since I've been working on them a lot. My graduation project is, in my case, a game (I still have almost 8 months remaining). I already took down the ...
2
votes
1answer
86 views

How to test the effectiveness of a game engine?

A few friends and I are working on a home-brewed engine for a selection of games we wish to produce in the future. We're making it to satisfy a few key requirements that we haven't found were properly ...
2
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0answers
59 views

Efficient mobile rendering order, given transparent vs. non-transparent objects

I'm interested to know how others would do / have done this. Part 1. Constraints. My current renderer is being built to support OpenGL ES 2.0 primarily and so aims for performant mobile as well as ...
0
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1answer
58 views

Invalid GLSL on some machines

I'm writing a game engine using OpenGL 4.3 using gcc 5, mainly to teach myself graphics programming. Initial development was on my Surface Pro 3 using mingw-w64 and worked like a charm. I've decided ...
1
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1answer
228 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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1answer
80 views

My Sprite is disappearing when it collides with my floor (libGDX)

I am just starting to build the game "engine" and I am using a sprite drawn in the same position as a rectangle and the two always move together. I have another rectangle which is the floor when the ...
0
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1answer
104 views

How do I create a playing field of collapsing bubbles, as in Tsum Tsum?

Tsum Tsum App is a pretty interesting game and I am wondering how the main play area's data structure is, erm, structured? Characters are stacked, disappear as the player swipes over matching ones, ...
3
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0answers
118 views

World scene graph questions [closed]

I am going through the process of rethinking my current game engine's design. And I'd like to ask about some information from other's experiences about scene graph. Before we begin, this graph is in ...
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0answers
96 views

What is a good way of handling shaders?

I'm currently reading this book and are at the chapter about the rendering subsystem of a game engine. Now, the book suggests that a material is a structure that provides information on how to shade ...
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3answers
2k views

Separating Game Engine from game code in similar games, with versioning

I have a finished game, that I want to decline in other versions. These would be similar games, with more or less the same kind of design, but not always, basically things might change, sometimes ...
5
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1answer
121 views

Is locking required to implement a seperate rendering thread?

I kept reading a lot about this, but still not sure about a proper way to implement an independent render thread (variable timestep) running parallel to a physics thread (smaller, fixed timestep). ...
0
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1answer
524 views

Car Game: Engine and Gearbox calculations?

I am making a racing game inside of Blender Game Engine. You can see the latest video here to get the impression of what type of game it is: https://www.youtube.com/watch?v=0i3m-xXtnhc What I want to ...
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0answers
232 views

Java 3D collision detection with JBullet

So I have spent a long time trying to work on a collision detection system from scratch for own game engine and came up fruitless due to lack of time. Finally I decided to try to use Jbullet to try to ...
6
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3answers
194 views

Which parts of game should belong to engine and which should belong to scripts?

Often, the game is splitted into engine code (i.e. C++) and scripts (i.e. Lua). The question is which parts / modules of game code should typically belong to engine, and wchich should belong ...
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2answers
210 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: ...
0
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1answer
66 views

Rectangle moves faster to the left than to the right

I am using Slick2d to create a top-down game, however an rectangle than I am drawing to the display is moving faster to the left than to the right, and faster up than down. I am updating frames like ...
1
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2answers
172 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 ...
4
votes
1answer
189 views

How can I show slow motion?

In my very, very simple 2D game I'm working on, I'd like there to be moments of slo-mo. What is the best method of showing the player that the game is currently in slow-motion? As in, what is the ...
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3answers
98 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, ...
3
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1answer
92 views

How do engines that can be scripted with a different language than the engine work?

So there are some engines that can be scripted with different languages than of what the engine itself is written with. How does this work?
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114 views

How to add 3D Sprite on tmx file background using Cocos-2dx?

We have been working on sample game, wherein we want to show 3D sprite on .tmx file(background). But 3D sprite is never shown up, though we tried setting tileMap->setGlobalZOrder(-1). Following is ...
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1answer
230 views

Setting up an efficient OpenGL rendering loop

This is the code that I use to setup my shader char* vertexShaderSource = getResource("vert.shad"); char* fragmentShaderSource = getResource("frag.shad"); vshad = readFile(vertexShaderSource); fshad ...