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

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Render terrains depending of the player position (Chunks)

Well, I have an array with all the terrains. How do I render them? I just add them to a List of terrains that are sent to the Renderer. There, every terrain of the list is rendered. The problem is ...
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2answers
226 views

How do mobile games create simple UI components?

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 ...
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1answer
854 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 ...
3
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1answer
210 views

Game Engines: how to keep different platforms code in separate plugins?

Considering that some game platforms are under NDA (mostly, the good old console trinity) and that publishing code using their SDK is not allowed, how do game engine usually manage keeping plugins for ...
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1answer
105 views

Libgdx Fine Tune Megaman Movement

With help from my last question, I was able to fix the issue of having a stuttering effect if you keep hitting jump, while jumping. I believe I have managed to match moving on the X axis and the ...
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1answer
62 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 ...
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1answer
339 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
83 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
562 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 ...
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46 views

How to calculate specular contribution in PBR?

I'm trying to implement PBR in our project (we started a small game engine for academic and learning purposes) and I cannot understand what is the right way to calculate specular and diffuse ...
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0answers
63 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 ...
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0answers
58 views

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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0answers
46 views

How can I bundle assets into an executable from my game-maker-like editor?

I am attempting to implement a simple "game-maker" solution. I'm working with Visual Stsudio, in C#, using MonoGame. I'd like the games my editor creates to be stand-alone executables, with their art ...
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0answers
22 views

Is there a more useful “inverse” alternative to portal rendering than antiportal rendering?

I'm in the process of sketching out the design of a 3D rendering engine as I'm learning my way around the subject. (Preemptively: yes, I have my reasons for rolling one from scratch, not least the ...
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0answers
37 views

OpenGL texture not loading onto the model

I am still learning and I'd like to apologize if I don't explain something clear enough or anything like that. please forgive me :) So I am experimenting with 3D graphics for my university assignment....
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0answers
26 views

How to change text on collision in Unreal Engine

I've just started using Unreal Engine, and I was trying to do a super simple game where there is a character that has text above his head that says 'Bag 'o' fries'. My plan was to have it so if ...
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0answers
46 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 ...
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0answers
267 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 ...
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0answers
120 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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0answers
76 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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0answers
133 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 "tricks"....
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0answers
75 views

XNA/DirectX: Advanced 3D Sound

Im currently working on an xna game with c#. Ive been looking into 3D Sounds recently as this is the next objective on my list. Ive found several tutorials online and they dont work to the standards ...
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0answers
221 views

alBufferData() sets AL_INVALID_OPERATION when using buffer ID obtained from alSourceUnqueueBuffers()

I am trying to stream audio data from disk using OpenAL's buffer queueing mechanism. I load and enqueue 4 buffers, start the source playing, and check in a regular intervals to refresh the queue. ...
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0answers
44 views

Maintaining relative location of objects across different screen resolutions

I'm developing a very simple interactive HTML5 game, in which I need to show a room having multiple objects like cupboard, table, fan etc. How can I bind all of the objects together, so that they ...
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0answers
414 views

iOS OpenGLES - Multithread Game loop - Render and Update

I am trying to implementing multi-threaded game loop in iOS. (Actaully, two thread - Render and Update) This is my structure. Update Loop Has logic and at the end of loop, save update state. (...
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0answers
236 views

Architecture for mixing synchronous and asynchronous program flow to maximize faux real-time yet logical gameplay?

What I am attempting to make is a faux real-time game engine in node.js (taking advantage of the non-blocking I/O). When I say 'faux real-time' what I mean is I want players to interact with the world ...
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0answers
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player cannot see up and down in the dialog mode in VBS2 VTK

I'm developing scenario in vbs2 vtk. In my scenario I need to use dialog mode for satisfying some requirements. I've successfully created dialog and I need movement in the dialog so that is also done. ...
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8 views

Game Engine architecture clarification

I want to write my own (simple) game engine with OpenGL. I use GLEW and GLFW and so far linked it successfully. My question is: Should the engine or the respective game (which depends on the engine) ...
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0answers
52 views

I Need help with Match-3 mechanics in Gamemaker

Engine used: Gamemaker Studio, Professional Edition Note: I just saw a suggestion to use an array/matrix, and that's probably infinitely more useful and easier than what I'm doing right now (free-...
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0answers
20 views

Change the player 3d model in runtime

Suppose I am playing a zombie game, and a zombie bites me on my arm. So, to stay alive, I have to cut off my arm, right? Or maybe you are playing a FPS and an enemy player shoots you at your hand. ...
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55 views

What is the best way to represent a large field of objects while using minimal resources?

I have recently started to plan a project in Unity that will be for android. I have a database that consists of over 150,000 stars (may trim this down if I/O cripples the overhead). The game will ...
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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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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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64 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, tips?...
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0answers
71 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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0answers
36 views

Turning on collision crashes game

I am getting a null pointer excecption to both my sprite and level. I am working on my mob class, and when I try to move him and the move function is called, the game crashes after checking collision ...
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0answers
153 views

XNA - Finding boundaries in isometric tilemap

I have an issue with my 2D isometric engine. I'm using my own 2D camera class which works with matrices and need to find the tilemaps boundaries so the user always sees the map. Currently my map size ...
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0answers
269 views

Maintaining State in Mud Engine

I am currently working on a Mud Engine and have started implementing my state engine. One of the things that has me troubled is maintaining different states at once. For instance, lets say that the ...
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0answers
196 views

Zooming in isometric engine using XNA

I´m currently working on an isometric game engine and right now I´m looking for help concerning my zoom function. On my tilemap there are several objects, some of them are selectable. When a house (...