ecs-faq
shipyard
ecs-faq | shipyard | |
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1,760 | 665 | |
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6.0 | 7.0 | |
3 months ago | 11 days ago | |
Rust | ||
- | GNU General Public License v3.0 or later |
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ecs-faq
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Show HN: Interactive ECS Systems/Component Explorer for Cities: Skylines 2
The Wikipedia article provides a broad overview, while this FAQ offers a more systematic exploration: https://github.com/SanderMertens/ecs-faq
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Sparsey 0.11.0 Release - Better Performance
Sparsey is an Entity Component System focused on flexibility, conciseness and providing features exclusive to its sparse set-based implementation.
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Beginner looking for code review : my ECS lib !
For further reading, here is a great article about these different approaches within Rust specifically: https://csherratt.github.io/blog/posts/specs-and-legion/ and here is a great general resource for commonly-used terms and techniques in ECS development: https://github.com/SanderMertens/ecs-faq
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Ways to create game engines
Godot has a node based system (nodes can have child nodes linked to them, and there are different types of nodes for the type of functionality they represent). Another alternative could be a more OOP approach (utilising inheritance as the main means of extending functionality), not aware of any modern engines that take this approach anymore. It’s also worth noting that ECS implementations can differ wildly, this faq from the flecs creator has a good rundown on what some of different variants are.
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Is ECS really the way to go in C++?
You might wanna take a look at https://github.com/SanderMertens/ecs-faq, it lays this all out better than I can.
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Flecs 3.2, a high performance game development framework for C and C++ is out!
To find more about ECS, see the FAQ: https://github.com/SanderMertens/ecs-faq/blob/master/README.md
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Functional relational programming model in Clojure(Script)
Using the relational model for app data in memory is really interesting.
Martin Fowler wrote about doing that as a way to get around the "object-relational mismatch" issue[1]. Richard Fabian describes "data-oriented design" as having a lot of overlap with the relational model[2]. ECSes becoming very popular in game engines are basically in-memory relational databases where "components" are "tables"[3].
[1]: https://martinfowler.com/bliki/OrmHate.html
[2]: https://dataorienteddesign.com/dodbook/
[3]: https://github.com/SanderMertens/ecs-faq#what-is-ecs
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does an ECS system need unique identifier ( uuid ) ?
This is the ECS FAQ I'm currently using.
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What are some things you have used ECS for?
While Unity's DOTS/ECS is positioned as solving performance issues for large numbers of objects, there are a number of other advantages. See https://github.com/SanderMertens/ecs-faq for a more in-depth look. IMHO the reusability and extensibility ECS encourages is as valuable as any performance increase. Compared to the GameObject style, which encourages random state mutations and side-effects, ECS enforces a more functional style, which results in code that is easier to reason about and test.
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Dominion VS Artemis, the missing benchmarks (link in the comments)
thanks, i think a little more background on the ECS world will help you get the context, this is from the author of Flecs: https://github.com/SanderMertens/ecs-faq
shipyard
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Deploying your Rust WASM Game to Web with Shuttle & Axum
With game matching the binary name used in Cargo.toml, above. The code we use is provided as an example of using the Shipyard Rust ECS. Paste the main.rs square_eater code from the repo into src/bin/main.rs in your project.
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Sharing Saturday #458
I also initially followed the amazing bracket-lib tutorial, but was not satisfied with specs. Tried legion, but it seems kind of abandonned too. I choose to use shipyard in my project and I am pretty satisfied with it until now. I feel like it's a great compromise between usability and effectiveness, plus there is relatively up-to-date documentation. Maybe can you give it a try ?Shipyard
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I hope my new-to-programming-enthusiasm gives you all a little nostalgia
Shipyard (Rust)
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React Renderer for Three.js
It's not that it's incompatible, it's that when the ECS is the primary tool for organization, a DOM tree (or scenegraph) is merely one way of iterating over the entities - not the way.
This provides tons of benefits, so for example you can also decide to iterate over the entites by shader program and gain significant speedups for graphics processing, or maintain components that roughly sort them by their position in world space for physics and culling or lighting, etc.
To add to the sibling comment, there's another wonderful Rust ECS called shipyard[0] and I helped write a scenegraph for it (which I really need to update, one of these days)[1]
[0] https://github.com/leudz/shipyard
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[Brainstorming] Use cases for variadic generics
Just as a final thing here, are, a, bunch, of, links for shipyard's tuple impls to show how its not an uncommon thing to need to do when writing an ECS :)
What are some alternatives?
Node RED - Low-code programming for event-driven applications
hecs - A handy ECS
dominion-ecs-java - Insanely fast ECS (Entity Component System) for Java
beatmapper - A 3D editor for creating Beat Saber maps
EntityComponentSystemSamples
raylib-rs - Rust bindings for raylib
entt - Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
dungeon-bevy - Rust programming -> random generated Dungeon with Bevy engine
Superstar-Game-Suite - A top-down 2D game creation suite for platforming, world building, and story telling.
emscripten - Emscripten: An LLVM-to-WebAssembly Compiler
ygopro - A script engine for "yu-gi-oh!" and sample gui
scheduler-test