make BSP bounding box optimization a compile time option, begin making Mesh and Sketch compile time options

Author: timschmidt

Cargo.toml

@@ -91,7 +91,7 @@ serde = { version = "1.0.228", optional = true }
 uuid = { version = "1.18", features = ["js"] }
 
 [features]
-default = ["f64", "bmesh", "stl-io", "dxf-io", "obj-io", "ply-io", "amf-io", "gltf-io", "chull-io", "image-io", "metaballs", "sdf", "offset", "delaunay", "truetype-text", "hershey-text"]
+default = ["f64", "bmesh", "mesh", "sketch", "stl-io", "dxf-io", "obj-io", "ply-io", "amf-io", "gltf-io", "chull-io", "image-io", "metaballs", "sdf", "offset", "delaunay", "truetype-text", "hershey-text"]
 parallel = [
   "rayon",
   "geo/multithreading",
@@ -109,6 +109,15 @@ f32 = [
   "rapier3d",
   "parry3d",
 ]
+mesh = [
+  # BSP backed Mesh datatype
+]
+mesh-bbopt = [
+  # Enable bounding box optimization for Mesh BSP
+]
+sketch = [
+  # geo backed Sketch datatype
+]
 bmesh = [
   "boolmesh",
 ]

src/bmesh/mod.rs

@@ -17,6 +17,8 @@ use boolmesh::{
 
 use nalgebra::{Matrix4, Point3};
 use std::{fmt::Debug, sync::OnceLock};
+
+#[cfg(feature = "mesh")]
 use crate::mesh::Mesh;
 
 /// A solid represented by boolmesh’s `Manifold`, wired into csgrs’ `CSG` trait.