feldspar

Procedural voxel worlds for Bevy Engine.

Currently a work in progress!

Scope

This is not intended to be a highly generic voxel library. Namely it does not intend to support generic voxel data types. Rather it has an opinionated data model to achieve specific goals like:

• SDF-based terrain for:
  • CSG (constructive solid geometry)
  • noise-based procedural generation
• real-time responsive terraforming
• LOD (level of detail) via chunk downsampling
• biplanar texture mapping and material blending

Project Structure

Contributing

Please see CONTRIBUTING.md.

Crates

• feldspar: the top-level crate that only contains executable targets like the map editor
• feldspar-map: the map data model and operational Bevy plugin
  • streams map data from a database into the scene
  • performs voxel and octree queries
  • persists edits to a versioned database
• feldspar-sim: a Bevy schedule that runs an RPG-like discrete time simulation in an isolated ECS world
• feldspar-procgen: algorithms for procedurally generating maps
• feldspar-renderer: a Bevy plugin that renders the currently loaded map
• feldspar-gizmos: Bevy plugins that allow GUI interaction with the scene

Dependencies

This project has spawned several fundamental data structures and algorithms that are exposed as their own crates.

• ilattice
• ndshape
• ndcopy
• fast-surface-nets
• block-mesh
• height-mesh
• grid-tree
• grid-ray