Questions tagged [game-loop]
The central code loop responsible for handling the running gameplay. At its most basic state, it accepts input, resolves the actions of entities, and renders the scene.
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Is it always necessary to synchronize rendering in a game loop?
When writing a game loop from scratch in java for an android game applications, it is very common in many tutorials I have read that the keyword synchronized is used to synchronize update and ...
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Web based poker on Phaser 3
Please can somebody help me as I'm a lil bit new to game dev and user interface designing.
I am trying to create a simple Texas holdem poker using phaser3 for multiplayer application.
I have a few ...
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How Best to Implement Fixed Time Step for Gsync/Freesync Monitors?
I currently implement my game loop using a variable fixed timestep, i.e. dt = 1 / monitor_refresh_rate with vsync (or pseudo vysnc with delays where vsync is ...
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Pause updating but keep rendering
I am creating an implementation of Snakes and ladders
and I run into some issues.The game is updating too fast and I want to limit the framerate kinda,or make a pause so that the move is actually ...
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JavaFX AnimationTimer VS Swing Game Loop
After looking at some code sources out there I noticed Java Swing Games usually create a class implementing Runnable, create a new Thread and set up the game loop ...
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How can I fix my velocity damping to work with any delta/frame time?
I am decreasing my velocity by 50% every second using a guide I found online. I am using the code here and it gives the right result but only for very small values for dt:
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user126218
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How to update model transform of components when using physics?
I implemented a high level components system for my renderer and am curious about the right way to update the transforms components of models that have a physics rigidbody attached. I am using ...
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When to stop taking items from ever-growing queue and start processing them?
I am developing a fast-paced multiplayer shooting game and following instructions from this source http://www.gabrielgambetta.com/entity-interpolation.html. In the article it says that:
several ...
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C++ create array of multiple types
I tried to create an array Entity[] with elements Human and Zomby.
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Make a variable go down as another goes up?
I am making a JavaScript game called "Spoop: The Clicker", and I have a variable shown by text:
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How can I benefit when I don't use gpu?
I am trying to make a 3D game with C++, SDL, and OpenGL.
My program roughly looks like this:
control function has only CPU operations.
draw function has CPU and OpenGL functions operations.
I just ...
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Is creating a separate thread for each game session a bad idea?
I'm currently working on iocp game server. My game is just like diablo3 basically. 1~4 players join a separate session.
I did basic iocp preparations and now I'm working on game session class. The ...
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How can I solve the jerky images when camera positions were calculated and sent from another computer?
I'm working on a simulator project. Computer A which uses a stick as a controller to produce operation data and calculate simulate data which will be sent to computer B as camera positions to render ...
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Canvas Infinite Map: How to have reappearing objects at static X,Y even when looping
I made a html canvas example of an infinite scrolling map with objects in static places. As you can see in the Fiddle below, when you move left with the Arrow Keys, you can see that the map does not ...
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NodeJS client gameloop running slightly faster than server gameloop
So I'm working on a real time multiplayer game in NodeJs (Client and Server). Both loops handle the same "physics" (movement at a constant rate) and both are running at 40hz or 40 times per second. I ...
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SDL2 mouse motion event keeps occurring
The code I'm using is like so:
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Use vsync event instead of a 16ms timer?
I found that in game development, most people set a timer that gets triggered every 16ms to do the rendering.
As an Android programmer, I'm familiar with the Choreographer. You set a callback that ...
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Time loop/ticking architecture
Say I build a snooker game, where balls need to jitter around.
Balls belong to a class (ball class), where all the ball functions are defined.
In the animation, time evolves by a clock ticking ...
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While loop running in thread, but not doing anything [C++]
I am trying to multi-thread my game so that one thread updates and renders the player, while the other listens for inputs. I used a while loop to keep my detached thread running in the background, ...
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My Java Game's movement looks awfull. Maybe Problem with Thread.sleep
I have a big problem with my Java games. In every game I make the movement of the player and objects just looks awfull. The framerate is 60 fps without any problems. But the movement looks extremly ...
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MonoGame tick cannot go lower than 16ms
I'm trying to build play with MonoGame and I'm trying basing this regarding the GameTime steps.
In my main Game class that is being run in the main entrypoint of my project, I'm doing something like ...
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How can I speed up the shapes drawing on high-density devices?
I have a game that should draw many shapes on the canvas and in every frame these shapes position will change, the game is running smooth but after adding more shapes some jerk arise and it drops some ...
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Render Stutter - OpenGL or loop timing?
For some time now i have no been able to pinpoint the nature of the rendering stutter shown above(by not clearing the screen, not using SwapBuffers and drawing only to the front buffer). See the big ...
user69809
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Two Gameloops instead of one, wouldn't it be better?
I have been thinking about this a lot and don't know if i'm thinking incorrectly.
Most games have one game loop that can be split into three functions.
A basic game loop would look something like ...
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Time based events separate from the game loop
How can set up time elapsed based events separate from the game loop?
I want the character to heal over real time rather than per cycle of the game loop. How might i do that?
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How to sleep for the desired duration between game loop iterations?
My game loop below doesn't sleep as log as it should. The delta value always ends up less than 1, when it's supposed to be 16.6666 or close to 16.6666
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Java Game Loop Efficiency
I was watching 2 video tutorials on how to make java game and read a couple articles about game loop. However, I'm still confused about how game loop actually works.
The first tutorial used code that ...
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Game object appears to accelerate too slowly
thank you for checking out my issue! I am trying to develop a game in java, but I have run into a problem. I would like to keep the physics as realistic as possible, so I am using a fixed time-step ...
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Which of these two codes are 'better'? Making a local variable or a class variable?
Im making more games and asking more stupid questions.
Hopefully this one is very brief. I'm making a very basic class which just moves a Player object by applying force to a rigidbody, but it got me ...
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How do I deal with closely coupled systems in a game engine?
Let's say a game engine had a central game class as well as multiple systems (as objects) that are stored within it. These systems (such as input, rendering, sound, etc) would also be updated by this ...
user101673
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How to set up a key press to start the game
I've tried to create a simple start menu for my game which informs the player to press a key to start the game but the problem is that it works only if the key is pressed all the time...i'm not sure ...
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Getting multiple inputs in C++ simultaneously using kbhit() function
I am using Turbo C++ to make a game using the graphics.h library (I know it's a bit old). In this game, the player can move left, right and they can jump using A, D ...
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How do games implement client/server frame rate?
Do games have a frame rate at X fps that updates logic and also renders?
Or do games update logic at a much slower frame rate than rendering? Let's say 20-25 fps for logic, and 60+ fps for rendering....
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Can I implement allocation-free time releated event scheduler via pure C#?
I read some article about a gameloop, based on Actor system. (yes, it is Development & Deployment of Multiplayer Online Games Vol.2 by 'No Bugs' Hare)
Here is pseudocode.
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In random loop button dont work properly
I have this code to add 10 point if someone click the button and change the question. But it returns 10 point every time. I want to make it 10,20,30,40... etc.
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Java advice (Printing game data to the window)
Does anybody know the best method for taking game data and setting up java to read the data then print it to the window... of which you want the game loop to start the game and read the data...
Here ...
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Should I send the elapsed time to the fixed step update function from my game loop?
I am making a basic game loop based on this article. This is the nearly final version:
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OpenGL - How come drawing sprites takes so much performance
I'm wondering how drawing simple geometry with textures can eat up so much performance (below 60fps)? Even my good graphics card (GTX 960) can "only" draw up to 1000 sprites smoothly. The textures I'm ...
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Latency issue on multiplayer game networking
I am currently writing a 2D top-down shooting multiplayer game using Java.
I have a game loop at the client-side that does the following in order in each game tick (The client is running in a tick ...
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Box2D simulation running slower on lower FPS(even when the desired FPS is lower than the actual) [closed]
I´m playing around and trying to make myself an easy platformer using the Box2D physics, before that I was not using it and was using my own physics implementation(just simple movements with timestep)....
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How to handle component-based objects in a game loop?
I've been writing my own game engine and I was wondering the correct way to handle my game objects. Each game object is different. The only thing they have in common is a set of operations to handle ...
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Is my frame rate being calculated correctly?
I'm having a long headache (which may not be that complicated) with this frame rate thing. I already tested several frame rate algorithms, lastly I tested this here and they all gave something strange ...
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Synchronise events in Multiplayer Game
I am trying to make a fighting game where two characters are fighting with hands or can have some weapon in their hands. It's a multiplayer game targeting initially for mobile devices. In Game, there ...
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Help designing Board game using LibGDX
Hi i'd just like to preface this by saying i'm new to game development and currently learning the ins and outs of libGDX.
I want to create the board game scrabble however i'm having trouble figuring ...
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In track and field dash, determine starting speed from a final time with acceleration
I am developing an athletics game, and working on the mechanics of the 100 meter dash. The player controls an athlete, that during the race has acceleration and a max speed. To win the race, the ...
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How can City-sim simulate hundreds of characters?
My games usually start lagging quite easily when there are a couple hundred of boxes representing possible characters. While games like SimCity or even Anno have hundreds of characters.
I realized ...
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Is single/double frame allocator suitable only for POD datas?
Let´s say I have a single frame stack allocator, so I´m using it for allocating memories for my temporary data.
...
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Screen objects sometimes not rendering
I am a mildly experienced programmer who has created several game engine templates and small 2D games in Java. I am currently expanding to 3D game engines and I am re-writing a previous engine to be ...
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Proper use of async, await and task.delay for a game loop
I'm currently in the process of making a game loop in a console application. I'm trying to make the game loop wait at the end of its loop for ...
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Moving object with preset timelapse
I am a newbie game developer.
I have one problem. Consider the following case.
I have a simple game with only one object - a ball. A ball can move only up and down from one side to another.
A User ...
