🌌 Bevy SDF

Bevy SDF is a general-purpose signed distance field (SDF) rendering plugin for Bevy. It supports dynamic SDF composition, material shading, and runtime scene manipulation.

🚧 Warning: Work in Progress

This crate is still under active development and needs significant optimization to perform well on most systems.

💡 Any help or contributions are greatly appreciated!

✨ Features

• ✅ Compatibility with bevy-skein
• ✅ Modifiable SDFs during game runtime
• ⏳ Custom hard-coded SDF shapes (planned)
• ⏳ Physically-Based Material (color, roughness, fresnel, metallic)
• ✅ Subsurface material shader for SDFs
• ⏳ Custom hard-coded SDF shaders (planned)
• ✅ SDF modifiers (e.g. union, blend, transforms)
• ✅ Fractal shapes MandelBulb, JuliaQuaternion, MengerSponge
• ⏳ Compatibility with bevy_solari (planned)
• ⏳ Compatibility with WGSL shaders (planned)
• ⏳ Shape instancing (planned)
• ⏳ Dynamic SdOp capacity (currently hardcoded)

Compatibility

Showcases

Screenshots from the simple scene example

view with cargo r --example simple_scene

Sub Surface Scattering

view with cargo r --example sss_material

Video from my games where im using this crate

🔗 Other Raymarchers for Bevy

If you're into SDFs or ray marching, check out:

• bevy_march — a fast and capable alternative ray marcher.