Questions tagged [performance]
The quality, efficiency, and speed of running gameplay as a result of several factors in the design and structure of the game and its architecture.
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Game loop isn't performing well enough, so my frame rate is too low (Windows Form + GDI+)
I decided to learn about building games, so I picked up C# to use it along with Windows Form - I already have C# experience, so that was the main reason I did so. That said, I tasked myself to build a ...
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Improve performance of server updating game state
I have a Node.js game that sends update packets to players every 30ms.
The code I currently use works this way:
Get the entities within each player's vision.
Create a temporary object that stores ...
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In C++, should POD-types be used for performance-critical parts, where many instances of the type will be handled?
(In C++)
For a type whose instances will be handled in great numbers in performance-critical areas, such as a Vector2 class representing 2D-positions, should such ...
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Change of computing power/ time needed when imported Mesh triangle number changes
I am doing a Unity project, that makes it necessary to import a mesh consisting of triangles.
As it is possible to reduce the amount of triangles in a mesh and keeping the structure similar, I am ...
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How to handle collision detection with different 2D shapes while maintaining performance? Is polymorphism appropriate?
If I'm making a small library for handling 2D shapes, should polymorphism generally be avoided? I know that it can worsen performance but it's not like polymorphism is never used in game development ...
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ECS index data structure
I'm implementing an Entity-Component-System library based on simple dense array approach (using huge arrays for every component field with the size equal to the number of entities, where array[entity] ...
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WebGL FPS is sometimes higher than max. FPS setting - why?
In lots of WebGL online games (all games I tested were made with Unity), my FPS is sometimes higher than the max, FPS setting of my PC (75), but why?
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Tilemap vs terrain vs optimized mesh for top-down game
I'm experimenting with a top down vertical scroller in Unity, with a perspective camera, NOT orthogonal.
(It's unclear how 'pixelated'/pixel art I will want the graphics but that's another question)
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Do game engines draw terrain and textures every single frame?
Let's say I have multiple meshes of static terrain, consisting of rocks and dirt that do not move.
Does the game engine still need to draw static objects every single frame?
Therefore, is it necessary ...
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How to efficiently detect targets for AI?
A creator named NovemberDev made this game without having performance in mind, yet his enemy AI, while being relatively simple, is still extremely fast: his game can have hundreds of enemies all ...
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lag spikes and low fps
fighting up to two dozen enemies at once the game runs perfeclty smooth...
30 enemies and the game starts to go from the 300-480 fps down to 30-180.... 60 enemies and all attacking at once...the game ...
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Can I just convert everything in godot to C#
Does godot 3.5.1 support C# fully ?
Like does C# for godot have all the same methods that GDscript has?
I'm asking because I remember trying to learn gamedev a long time ago with C++, I was overwelmed ...
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Unity 2021/2022 laggy/stuttering Android performance compared to Unity 2020
I have been working for quite a lot of time with the Unity 2020.3 LTS releases and everything seems to be running smoothly when building for the Android platform. I recently decided to upgrade the ...
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GPU and CPU mode, how do games do that?
I'm playing a lot of older games lately to learn new stuff, mostly private servers.
A game called metin-2 has the option to use mostly CPU or mostly GPU... in GPU mode the game runs faster and lighter ...
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How to improve performance of LiBGDX Android app?
After creating a few bodies and a map with collisions, the app performance clearly goes down. However, RAM and CPU don't seem fully stuck, but the game experience is horrible nonetheless.
GameScreen ...
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How do game devs tie physics to fps?
If a GPU is rendering 3D graphics, doesn't it have to wait for the CPU to finish computing all the physics calculations before returning a frame? And if it does have to do that, then how does game ...
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Very high energy impact and frame drops on iOS
I have created a mobile 3D game and now I am running it on an iOS device. It works well and runs at about about 25 fps. But after a while, about 2-3 minutes, it drops to 15 - 18 frames per second.
My ...
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How to get better performance with pygame?
I'm not a gamedev, I'm a API/Cloud dev, performance has never been an issue for me since most of the time we are limited by network calls.
I've been playing with that for the past 2 days, I wanted to ...
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How to deal with large number of Navmesh Agents?
I have more than 200 units in a single scene, all of them use Unity's NavmeshAgent to set their destinations to the main target. The problem I'm facing is that some ...
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Why might performance of a Rust-sdl2 project be better while profiling?
I'm making a simple SDL2-based Rust game, on an OSX laptop. Graphics mostly involves drawing lots of colored squares to the screen. Performance is really slow for what I'm doing, so I decided to ...
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Reduce Unity Editor loading times
Open project => Wait
Start / stop game => Wait
Change script => Wait
Move object from project view => Wait
You blink too often => WAIT even more !
And so on and so on....
And the ...
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Is it better to cut floor polygons where they're hidden under objects?
I have a floor that's interrupted by several objects sitting on top:
Would it be better for performance to let the floor polygons extend straight through the footprints of these objects? Or should I ...
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Why do modern games take so long to reset the current level after failing?
While recently playing a game I kept failing at, I realized that I don't fully understand why I need to wait for the level to reset at all. Taking time to load a new level makes sense to me - assets ...
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Game FPS for smooth animation
I'm designing a 3D game. I have a question about object animation. My question is in case i ensure the 6o FPS game run (on some today's average machine) the distance object is being moved (for e.g. in ...
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Why does it take around 5 times longer to sample large RenderTextures vs. sampling large Texture3D/2Ds in a Compute Shader?
Firstly I am in Unity 2021.3.11f1 using DX12.
So the situation is the following. I have a large 3D RenderTexture, and I have a large 3D Texture3D with the same data, same format, same dimensions, same ...
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In C#, is there any performance reason to implement ECS?
The formal ECS specification was developed to address gaming in a JavaScript environment.
In any C# translation, this implies all of the classes' members must be public.
My concern is that too many ...
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Pattern for scripts that should only update when in trigger range
I have a script that triggers when the enemies are in range of my objective, but it also contains an Update method for its the damage.
I noticed that Update is being called even when the enemies are ...
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Improve performance of hexagonal tiles
I am trying to create a game similar to a board game on a hexagonal grid (also similar to Civilization game).
I want the tiles to be able to display various textures and of course be able to detect ...
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How to understand when and where overdraw occurs
I've realized that I don't have a clear understanding of some of the technical specifics of overdraw in Unity. I often work on mobile, where overdraw is much more of a concern than it would be on a ...
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Will putting Screen.orientation in Update affect the performance?
If I put Screen.orientation in Update to detect whether the device is in landscape orientation, will
it affect the game's performance?
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Blender exported model is giving better FPS than creating the meshes in Unity
I am experimenting with Hex grid layouts and testing the most efficient way of building a hex map.
I tried 2 things:
Build my own hex mesh using 6 triangles and 7 vertices
Use blender to create a Hex ...
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Does the scale of a background image affect performance?
I have a background that's a half-square shape.
If I increase the size of the background, for example by adjusting the scale of the model from 1x to 10000x, will this affect the performance of the ...
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Mobile device heat up. What time before it heats up is considered good? Android/IOS Unity [closed]
could not find anything that answers this in a detailed way ?
I managed to optimise the game to the point that the device heat up(real heat up and frame drop) only after 90 min of continuous gameplay. ...
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LWJGL removing voxel faces that are not visible
I am simply trying to achieve removing voxel faces that are not visible.What I have coded simply renders a chunk of 16x16x16. I already have back face culling enabled, which it does work. so as I'm ...
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Is there any performance difference between Draw() and DrawInstanced(1)?
The background of the question is, does it make sense to introduce an if case when drawing a mesh for whether there is instancing or not?
This is using DirectX 11 ...
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Unreal Engine 5 does not use shared VRAM
I have a HP Pavilion laptop with an integrated Intel Iris GPU, as well as a dedicated Nvidia Geforce MX 450. The Nvidia has a dedicated 2 GB VRAM, and the the two cards share an additional 16 GB of ...
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Trying to debug slow DrawIndexed calls. 0.1+ms CPU usage per call
I have just been reworking my rendering pipeline. There is an issue I had noticed cropping up during this work but now its become constant and I cant figure out the cause.
Every call to ...
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Efficiently find all points within a circle
I am writing code that requires me to find all points within circle on certain parts of the screen hundreds of times per frame. I wrote a quadtree for this and have 1 method called query_circle that ...
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How fast or scalable is wave function collapse?
Specifically the generation part, if I wanted to use it at high resolutions.
High level descriptions make me suspect O(n²) or worse, and demos are always low res, but fast-wfc describes itself as &...
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Efficient way to check collisions for many objects
I am making a Bloons tower defense game and I came across a problem with regards to collisions. The way my code currently works is all the current bullets on the screen(could be potentially thousand) ...
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Can less than 30 FPS feel good with 60 FPS input handling?
2D animation can go as low as 12 FPS and still feel good to watch, but the minimum FPS considered to be "playable" in games is 30 fps. I believe this to be a consequence of the user ...
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How can I shorten the length of time spent on finding a path using my A* pathfinding code?
I am working on a game where the player and enemies move between discreet tiles, with only orthagonal movement (like pokemon). The game also runs on a turn system, so the player makes a move input, ...
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How to increase performance of Android AR scene
I'm wondering how to improve speed on this scene for AR on Android, since it's still sluggish. From what I could see, Unity instanced the particle system meshes automatically (is that correct?).
I'm a ...
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How to quickly calculate the number of tiles between buildings in a tile system
my friend and I are currently working on a city builder game like Anno/Cities Skylines but with some own ideas and tweaks. (of course, on a much smaller scale)
Currently, we are struggling a bit with ...
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Handling big maps server side
How do games handle arrays/objects of billions of lines to load every gameobject/players positions of big maps for example (server side, for authoritative servers)?
I understand it could be split ...
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What algorithm is best for finding non-static nearest neighbors on a 2d grid?
A bottleneck I've hit is querying Quadtrees for finding nearby locations. It's much faster than comparing each location, but I'd like to find faster methods that work for moving locations. Profiles ...
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Use of CPU vs. GPU on mobile devices
I was always told that if a task can be parrarelized, I should put it on the GPU for better performance. Although this is defenetly true for computer GPUs, I was wondering if the mobile GPUs were so ...
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How to prevent a huge backlog of physics calculations from freezing browser when tabbing out of browser game?
I'm developing a browser game and am using the timestep implementation from the famous Fix your timestep! article.
It works perfectly, but there is one problem. If you tab out of the tab and then come ...
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Is an ECS system without a traditional ECS memory layout a bad idea?
I've got a background in C++ but completely new to game dev, Unreal, and ECS.
Recently, I learned about ECS and fell in love with the resulting project structure and theoretical reduction of spaghetti ...
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Unity 2021 Silicon Build Performs Poorly with DynamicGI.UpdateEnvironment()
I recently upgraded my large-scale RPG world project from 2019 LTS version to 2021 for the native Silicon support. I have a Silicon based Mac and even though the game seems to have smoother FPS in the ...