Navigation for Bevy with NavMesh

Navigation mesh for Bevy using Polyanya.

Check out the WASM demos

Usage

From a prebuilt NavMesh

Loading a mesh from a gLTF file, then building a NavMesh from it and using it for getting paths. See gltf.rs and NavMesh::from_bevy_mesh.

From obstacle components

Spawn entities marked as obstacles, create the NavMesh live from them. See auto_navmesh_aabb and NavMeshUpdaterPlugin.

Example videos

Pathfinding many agents.

Parameters for NavMesh generation

Reading list

Pathfinding:

• Compromise-free Pathfinding on a Navigation Mesh: Fast and optimal path finding on a generalized navmesh

NavMesh building:

• Line Generalisation by Repeated Elimination of Points: Geometry simplification while keeping the general shape
• Constrained Delaunay Triangulation: Building a tri-mesh from edges
• Polygon Offsetting by Computing Winding Numbers: Agent radius

To Implement

• Steering Behaviors For Autonomous Characters https://www.red3d.com/cwr/steer/

Bevy Supported Versions

Bevy	vleue_navigator	avian
0.18	0.15	0.5
0.17	0.14	0.4
0.16	0.13	0.3
0.15	0.11.1	0.2
0.14	0.10	0.1
0.13	0.7	x