A refreshingly simple data-driven game engine built in Rust
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What is Bevy?
Bevy is a refreshingly simple data-driven game engine built in Rust. It is free and open-source forever!
Bevy is still in the very early stages of development. APIs can and will change (now is the time to make suggestions!). Important features are missing. Documentation is sparse. Please don’t build any serious projects in Bevy unless you are prepared to be broken by API changes constantly.
- Capable: Offer a complete 2D and 3D feature set
- Simple: Easy for newbies to pick up, but infinitely flexible for power users
- Data Focused: Data-oriented architecture using the Entity Component System paradigm
- Modular: Use only what you need. Replace what you don’t like
- Fast: App logic should run quickly, and when possible, in parallel
- Productive: Changes should compile quickly … waiting isn’t fun
- Features: A quick overview of Bevy’s features.
- Roadmap: The Bevy team’s development plan.
- Introducing Bevy: A blog post covering some of Bevy’s features
- The Bevy Book: Bevy’s official documentation. The best place to start learning Bevy.
- Bevy Rust API Docs: Bevy’s Rust API docs, which are automatically generated from the doc comments in this repo.
- Community-Made Learning Resources: Tutorials, documentation, and examples made by the Bevy community.
- Discord: Bevy’s official discord server.
- Reddit: Bevy’s official subreddit.
- Stack Overflow: Questions tagged Bevy on Stack Overflow.
- Awesome Bevy: A collection of awesome Bevy projects.
We recommend checking out The Bevy Book for a full tutorial.
# Switch to the correct version (latest release, default is main development branch) git checkout latest # Runs the "breakout" example cargo run --example breakout
Bevy can be built just fine using default configuration on stable Rust. However for really fast iterative compiles, you should enable the “fast compiles” setup by following the instructions here.
Bevy has the following Focus Areas. We are currently focusing our development efforts in these areas, and they will receive priority for Bevy developers' time. If you would like to contribute to Bevy, you are heavily encouraged to join in on these efforts:
Bevy is only possible because of the hard work put into these foundational technologies:
- wgpu-rs: modern / low-level / cross-platform graphics library inspired by Vulkan
- glam-rs: a simple and fast 3D math library for games and graphics
- winit: cross-platform window creation and management in Rust
- spirv-reflect: Reflection API in rust for SPIR-V shader byte code
This list outlines the different cargo features supported by Bevy. These allow you to customize the Bevy feature set for your use-case.
Plugins are very welcome to extend Bevy’s features. Guidelines are available to help integration and usage.
Thanks and Alternatives
Additionally, we would like to thank the Amethyst, macroquad, coffee, ggez, rg3d, and Piston projects for providing solid examples of game engine development in Rust. If you are looking for a Rust game engine, it is worth considering all of your options. Each engine has different design goals, and some will likely resonate with you more than others.