Bevy 0.8 Rust Game Engine Released

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Bevy, a popular open source Rust based game engine, just released version 0.8. This update adds several new features including a new material system, improvements to the ECS system but perhaps most of all is the new much more flexible and powerful camera system.

Key features of Bevy 0.8 include:

  • New Material System: Custom shaders are now much easier to define, thanks to the new Material trait and AsBindGroup derive.
  • Camera-driven Rendering: Each Camera now configures what it renders and how it renders it. Easily layer camera renders on top of each other, do split screen, or render to a texture in just a few lines of code.
  • Built-in Shader Modularization: Many built-in shader types and functions are now importable. Notably, custom shaders can now import the PBR shader logic
  • Spot Lights: A new light type that emits light in a cone shape from a fixed point.
  • Visibility Inheritance: Hiding an entity now also hides all of its descendants in the hierarchy.
  • Upgraded to wgpu 0.13: Uses a new, more ergonomic WGSL shader syntax.
  • Automatic Mesh Tangent Generation: If tangents are missing for a mesh, generate them with mikktspace.
  • Renderer Optimizations: Parallel frustum culling and unstable sorts for unbatched render phases yielded some big wins!
  • Scene Bundle: Easily spawn scenes using a normal Bevy bundle and extend them with new components and children.
  • Scripting / Modding Progress: Untyped ECS APIs: A step toward 3rd party scripting language support! Interact with Bevy ECS internals directly via pointers.
  • ECS Query Ergonomics and Usability: Queries now implement IntoIter and mutable queries can be converted to immutable queries.
  • ECS Internals Refactors: Sweeping changes to Bevy ECS internals that make it simpler, safer, and easier to maintain.
  • Reflection Improvements: Support for reflecting more types, ECS resource reflection, untyped reflection, improved internals.
  • Hierarchy Commands: Hierarchy updates now use “transactional commands” to ensure hierarchy consistency at all times.
  • Bevy UI Now Uses Taffy: We’ve swapped to (and help maintain) a collaborative fork of the now abandoned Stretch UI layout library. Exponential blow-up bug begone!

Key Links

Bevy Homepage

0.8 Release Notes

Bevy GitHub Repository

GFS Rust Game Development in 2022 Round-Up

You can learn more about the Rust powered game engine Bevy 0.8 in the video below.

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