entt
phaser
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entt | phaser | |
---|---|---|
79 | 5 | |
9,447 | 36,286 | |
- | 99.1% | |
9.8 | 9.8 | |
6 days ago | 7 days ago | |
C++ | JavaScript | |
MIT License | MIT License |
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entt
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Using Jolt with flecs & Dear ImGui: Game Physics Introspection
EnTT is a popular alternative to flecs for C++, which has different performance/memory characteristics.
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Focus: A simple and fast text editor written in Jai
https://pastebin.com/VPypiitk This is a very small experiment i did to learn the metaprogramming features. its an ECS library using the same model as entt (https://github.com/skypjack/entt). In 200 lines or so it does the equivalent of a few thousand lines of template heavy Cpp while compiling instantly and generating good debug code.
Some walkthrough:
Line 8 declares a SparseSet type as a fairly typical template. its just a struct with arrays of type T inside. Next lines implement getters/setters for this data structure
Line 46 Base_Registry things get interesting. This is a struct that holds a bunch of SparseSet of different types, and providers getters/setters for them by type. It uses code generation to do this. The initial #insert at the start of the class injects codegen that creates structure members from the type list the struct gets on its declaration. Note also how type-lists are a native structure in the lang, no need for variadics.
Line 99 i decide to do variadic style tail templates anyway for fun. I implement a function that takes a typelist and returns the tail, and the struct is created through recursion as one would do in cpp. Getters and setters for the View struct are also implemented through recursion
Line 143 has the for expansion. This is how you overload the for loop functionality to create custom iterators.
The rest of the code is just some basic test code that runs the thing.
- Crash Course: entity component system
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Introducing Ecsact
Since we wanted a common game simulation that would be on both the server and the client we looked into a few libraries that would fit our ECS needs. It was decided we were going to write this common part of our game in C++, but rust was considered. C++ was a familiar language for us so naturally EnTT and flecs came up right away. I had used EnTT before, writing some small demo projects, so our choice was made based on familiarity. In order to integrate with Unity we created a small C interface to communicate between our simulation code and Unity’s C#. Here’s close to what it looked like. I removed some parts for brevity sake.
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Sharing Saturday #472
Are you sure you don't want to use a C++ package manager? Libtcod is on Vcpkg and with that setup you could add the fmt library or EnTT. fmt fixes C++'s string handling and EnTT fixes everything wrong with the entities of the previous tutorials.
- Where can I find the juiciest, most complex and modern c++ code?
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What are the limits of blueprints?
There's also a performance question. While we can now use Blueprint nativization to convert Blueprints to C++ the result will be a fairly naive version, fast enough for most purposes but not if you're trying to push every bit of performance. This is where you're looking at making sure you're hitting things such as using the CPU cache as well as possible for an ECS system (Look at ENTT or Flecs if you want to see what they're about and why you'd want one), or a system needing to process massive amounts of data quickly such as the Voxel Plugin.
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any resources for expanding on ECS?
For a modern engine you’re probably best looking at Unity’s DOTS. You may also want to check out some of the different open source ECS libraries such as flecs and EnTT are two popular ones for C++, but there’s lots of them. Largely you’ll see lots of different approaches taken, all with their own pros and cons. Not all of them will be performant (some focus more on the design benefits) while others will be optimised for certain use cases. What you should prioritise will depend on your specific needs.
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DynaMix 2.0.0 Released
You can think of DynaMix as combining one of these libraries with an ECS like entt(https://github.com/skypjack/entt)
- Flecs – A fast entity component system for C and C++
phaser
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Gamedev.js Jam 2024 start and theme announcement!
Gold : GitHub, Phaser Studio, Arcadia
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Introduction to JavaScript: Empowering Web Development with Interactivity
Versatility: JavaScript is not limited to web browsers. It's used in a variety of environments, including mobile app development (using frameworks like React Native), game development (using libraries like Phaser), and even serverless computing (using platforms like AWS Lambda).
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A developer portfolio as a 2D top-down walking simulator
This reminds me of my first real dev job, 10y ago, making small facebook games with https://phaser.io it was actually kind of fun now that I think back.
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Aftermath of switching from VSCode to Neovim
Is it worth it? I think while attempting to create a game engine with the Canvas API and vanilla JavaScript. (I quickly ditched that idea and started using PhaserJS)
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Phaser: A fast, fun and free open source HTML5 game framework
I didn't try to build anything with Phaser, but I evaluated it a bit when trying to pick a game engine for a 2D web game.
The tech didn't impress me that much, but it also seemed like the most mature 2D game engine available in JS.
Notably, Phaser 4 was announced ~four years ago and was an attempt to get the project written natively in TypeScript. It looks pretty dead in the water - https://github.com/phaserjs/phaser and having a "best effort" TypeScript experience layered onto Phaser 3 didn't excite me.
Additionally, with browsers gaining support for WebGPU, I expect any game engine worth their snuff to begin rapidly adopting support for WebGPU. As best I can tell, any hope of Phaser supporting WebGPU is lumped into Phaser 4, so... not much to say there.
Overall, it was a little tough for me to tell if I was being overly critical and viewing a mature product as a ghost town, but that's the impression I took away from it.
As far as I can tell, BabylonJS is king in town for a TypeScript game engine, but its focus is 3D experiences. I didn't find an especially compelling 2D game engine. I ended up making a prototype using React + PixiJS + React-Pixi, but that was hardly an engine and had significant performance issues.
Now I am building in Rust with Bevy. It's slow going, creating UI elements sucks right now, but the underlying tech is super solid and I feel good about what I write and what I learn even if I'm dismayed at the pace in which I am creating.
What are some alternatives?
flecs - A fast entity component system (ECS) for C & C++
kaboom.js - 💥 JavaScript game library
Hazel - Hazel Engine
Excalibur - 🎮 Your friendly TypeScript 2D game engine for the web 🗡️
raylib - A simple and easy-to-use library to enjoy videogames programming
cocos-engine - Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.
flecs-lua - Lua script host for flecs
Godot - Godot Engine – Multi-platform 2D and 3D game engine
Roguelike-Tutorial-2021 - Roguelike tutorial written hard with GDscript
A-Frame - :a: Web framework for building virtual reality experiences.
UnrealCLR - Unreal Engine .NET 6 integration
melonJS - a fresh, modern & lightweight HTML5 game engine