oxiphysics-geometry

[Alpha] Geometric shapes, mesh processing, and spatial algorithms for the OxiPhysics engine.

Part of the OxiPhysics project.

Overview

oxiphysics-geometry delivers a comprehensive geometry library covering primitive shapes, advanced mesh processing, parametric curves and surfaces, computational geometry, and procedural generation. 57+ modules, 3,245 public items, 3,089 passing tests, 0 stubs.

Features

• Primitive shapes — Sphere, BoxShape, Capsule, Cylinder, Cone, Torus, Compound
• Meshes — TriangleMesh, ConvexHull, HeightField; mesh ops, boolean ops, repair, quality metrics
• Parametric & implicit — NURBS, B-splines, implicit surfaces, level sets, signed distance fields
• Computational geometry — Voronoi diagrams, Quickhull, convex hull, medial axis
• Subdivision & remeshing — Loop/Catmull-Clark subdivision, decimation, remeshing, simplification
• Point clouds — point cloud processing, spatial hashing
• Procedural — fractal geometry, terrain processing, origami, geodesic domes
• Topology — topology analysis, swept volumes, offset surfaces
• Robot geometry — kinematic chain geometry primitives
• CSG — constructive solid geometry (union, intersection, difference)

Modules (57+)

bspline · capsule · convex_hull · csg · cylinder · decimation · fractal_geometry · geodesic · heightfield · implicit_surfaces · level_set · medial_axis · mesh_boolean · mesh_ops · mesh_processing · mesh_quality · mesh_repair · mesh_simplification · nurbs_geometry · offset_surface · origami · parametric · point_cloud · procedural_geometry · quickhull · remesh · robot_geometry · shape · signed_distance_field · spatial_hash · sphere · subdivision · swept · terrain_processing · topology · topology_geometry · torus · triangle_mesh · voronoi · …

Quick Example

use oxiphysics_geometry::{TriangleMesh, ConvexHull, Sphere, SignedDistanceField};

// Build a triangle mesh and compute its convex hull
let mesh = TriangleMesh::from_obj("model.obj").expect("load mesh");
let hull = ConvexHull::from_mesh(&mesh);
println!("hull vertices: {}", hull.vertex_count());

// Query SDF at a point
let sphere = Sphere::new(1.0);
let sdf = SignedDistanceField::from_shape(&sphere, 0.05);
let dist = sdf.query([0.5, 0.0, 0.0].into());
println!("distance to surface: {dist:.4}");

License

Apache-2.0 — Copyright 2026 COOLJAPAN OU (Team Kitasan)