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

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Minimalistic and fast C++ based game engines with free commercial use? [on hold]

I've come across so many game engines all claiming they're good and I've tested a lot and they all have some flaw like they're slow, they make too many assumptions, they can't be used commerciallym ...
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27 views

A free “maker” engine to create and export commercial Android games? [on hold]

I need a free "maker-like" engine that can easily export Android games. I mean ready-to-store and with no costs. Unity and GM Studio Android exporting versions are paid, right? So, whats the best ...
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22 views

Whats the best program to make a 16-Bit game? [closed]

I wish to make a retro 2.5D 16-bit game; I have everything planned out, I just would like to know the best program to do so. I do have programming experience as a Web Designer.
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33 views

Javascript Game Engine for Isometric “Final Fantasy Tactics” like game [on hold]

I want to start developing a game and i have been doing some research these days to know how to start. The base idea is to build a game with a Final Fantasy Tactics style (isometric, turn based), i ...
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2answers
109 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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31 views

I want to design a scoring system calculating coins, stars and lives, (50%/ 30% / 20% ) [on hold]

the player has to collect coins to clear levels. he has to collect stars to unlock collectibles. collection of coins lead to purchase of lives. Hence the importance to lives. (50, 30, 20)
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1answer
57 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: ...
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1answer
44 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 ...
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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
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1answer
137 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
66 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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1answer
71 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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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
97 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 ...
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63 views

Learning Curve of GameMaker and its limits [closed]

I am a Data Scientist and the last couple of years, I work also as a Game Designer (not Game Development). I have not thought to create a game by myself, up to now. As a DS, I know programming, but I ...
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1answer
80 views

May I distribute a game engine that is based on textbook examples?

I have purchased several game programming books to start my journey as a game developer. One of them teaches its readers by building a game engine's parts in each chapter until finally you have a ...
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2answers
76 views

Resource management questions

Say I have this Cache<typename Resource> class template, which is a resource cache that contains an std::map<std::string, Resource>, mapping strings to resources. I can many different ...
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1answer
45 views

Dynamic objects in voxel engine

I am writing my own voxel engine based on cubes of different sizes and properties. In order to store and efficiently use voxels I implemented Sparse Voxel Octree storage. But I plan to have many ...
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2answers
101 views

why is my enemy AI is on air while moving?

In Unity3D I have created an enemy AI and applied a script for it to move and chase the player. But when moving, the enemy hovers in the air. My character also does not have rigidbody and he just has ...
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1answer
71 views

How to manage a vector of “Component” base class?

I'm trying to implement a component based design for a game i'm making. I decided to write it in c++ but i'm not very good at it. Coming from a java background I encountered a problem when trying to ...
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4answers
102 views

Implementation of collision in 2D platformer (C++)

My collision system for my game currently works fine, it lets me test a collision with an entity or specified rectangle... but that's not enough. I used to use GameMaker and it had collision events in ...
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44 views

How do I implement a sparse voxel octree?

I've been working on a voxel engine and I want to implement sparse voxel storage. As I understand it, it works a bit differently from a regular octree and has some neat performance increasing ...
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2answers
68 views

Getting if a key was released/pressed this frame (C++/SDL2)

Getting if a key is currently down is easy. Just return keys[scancode]: switch (ev.type) { case SDL_KEYDOWN: keys[ev.key.keysym.scancode] = true; break; case SDL_KEYUP: ...
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27 views

Predict ball movement after Collision in Pool Game?

Im trying to draw lines that predict the movement after the colliosn of 2 balls in a pool game. How do I do that? I heard it can be done via Raycasts, but how do I draw a line? Any tutorials, ...
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1answer
53 views

Move Ball to clicked direction

I have a ball as a sphere in my game and Im viewing it from top down view (birdseye). The ball is a rigid body. I want to achieve when I click somewhere on the screen, that the ball moves toward ...
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1answer
67 views

Need help with creating a stun gun. (Unreal Script)

I am fairly new to the programming world. I am currently at College and one of the tasks I need to do is create a "stun gun" or "freeze gun". Basically when you shoot a target (other player) i want it ...
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2answers
93 views

How to seprate the game from the game engine (specifically the game loop), into seprate projects?

I am trying to separate my game from game engine both written in Java. Currently they are in two separate packages but I would like to separate them into different projects. A main method in Project ...
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1answer
254 views

Swapping graphics engines

Is it possible, or even feasible, to have graphics engine completely decoupled from game logic? Why I ask is because I want to start working on a game (I'm a complete beginner in game development, ...
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2answers
51 views

Runtime Error dealing with SDL_Events

I do not know if this is the best way to handle these SDL_Events, but I am attempting to create a very abstract and generic code that will update my Game Object. Basicly I have a Scene which in my ...
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2answers
183 views

How to manage state in a component-based game engine?

I'm working on a small, data-driven game engine with some friends. We use GameObjects (a.k.a. Entities, Actors, or whatever it is called in your favorite engine) to represent every entity in the ...
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3answers
115 views

Grid Programming: Selecting a tile returns a negative coordinates

Let me explain what I am doing here. I created a class template named as PlayField where T is the type of the GridObject. I wrote this class using Cocos2dx. The point of this class is to make it easy ...
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3answers
150 views

How do game engines mitigate CPU cost for many trigger zones & entities? [closed]

It's a rather simple question, but a somewhat fundamental in computing in general. Let's say we have a player controlled character in an open world. The world is large. In this game-world we have a ...
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101 views

Game engine openGL operations scheduling

I'm making a custom engine and after much research, i realized that the state changes and the vertex or texture data loadings to VRAM are the most slow operations. So I want to optimize it making a ...
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91 views

Creating Scenes Programmatically From A Deployed Build in Unity

This is somewhat of an extension to this question: http://answers.unity3d.com/questions/513801/programatically-creating-entire-unity-games.html I have a client who would like to create an entire game ...
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Opengl Skybox Texturing Error

I'm using cubemaps to render a skybox in my game. Thinking this would be a simple task I threw some stuff together using the tutorials I found online, particularly this. Taking all of this together, ...
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When does data move from the system memory to the GPU memory? [closed]

I am starting off with a basic idea. My understanding is when a game loads, the assets are loaded into the system memory, images, sounds, maps etc. So say you have an open world game, AFAIK, the ...
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1answer
74 views

Libgdx array of Vector2 closest point

I have an array of objects. Their position is a Vector2 (x, y). I want to select the closest object, given a (x, y) coordinate (that represents an user touch on screen). Searching on web I found a few ...
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2answers
66 views

Is Global location using OpenGL bound by the shader?

I have recently started writing a game engine in C++ with OpenGL and using some tutorials online. So far from what I have seen, shaders are the way to manipulate an object's position in worldspace. Is ...
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69 views

UE4 or Cryengine for large forest wilderness open map? [closed]

I want to create a survival game FPS with large forest wilderness in an open map fashion. What engine should I choose and what tools do I pick for modelling and such?
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2answers
91 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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53 views

Directx 9 Obj Model

There's is a error with my obj load/render that I can't solve I'm a newbie in directx 9, I'm trying to do this in the best way The model is not displayed properly, do not know if this correct model ...
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2answers
77 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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2answers
201 views

How does a loop work in game engines? [duplicate]

Recently I started working on a game with the spritekit engine. My question is not about spritekit in specific though, but generally about game engines. When I write a loop and run it (eg while i ...
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1answer
60 views

What type of loop code on game engines? [duplicate]

Recently I worked on a game on Spritekit Engine. My question is not about spritekit, but generaly about game engines. When I write a loop code and run it (eg while i< 100000) my CPU usage goes to ...
1
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1answer
228 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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3answers
1k views

How common are game engine bugs, and can I claim damages for them? [closed]

Are game engine bugs (in popular ones like Unreal and Unity, not some unknown ones) common? I know engines like Unreal, Source and Unity3D are well tested and maintained, but, for example, is there ...
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133 views

Is there any popular AI game engine? [closed]

Is there any sophisticated game AI engine that can save time on AI implimentation and provides strong and clever AI? The game genre is strategy, so AI should be strong. The game in some aspects is ...
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1answer
53 views

Selecting minimum GPU requirements for a video game a couple years out

How does one go about determining a good minimum GPU requirement for a game that development is starting on that will be published in approximately 2 years. On one hand you want as many people as ...
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2answers
338 views

Does SpriteKit follow the MVC pattern?

I am currently working on an iOS project called Old Frank that I have been trying to follow a MVC design pattern. The gist of it is. GameObjects(model) <- Scene(controller) -> Sprites "SpriteKit" ...
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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 ...