feat: establish reproducible FreeCAD web compatibility baseline

native/camotics-wasm/camotics_sweep.cpp

@@ -0,0 +1,44 @@
+#include <camotics/sim/ConicSweep.h>
+#include <camotics/sim/SpheroidSweep.h>
+
+#include <emscripten/emscripten.h>
+
+#include <vector>
+
+using CAMotics::ConicSweep;
+using CAMotics::SpheroidSweep;
+using cb::Rectangle3D;
+using cb::Vector3D;
+
+extern "C" {
+  EMSCRIPTEN_KEEPALIVE int camotics_sweep_abi_version() {return 1;}
+
+  EMSCRIPTEN_KEEPALIVE double camotics_conic_depth(
+    double length, double topRadius, double bottomRadius,
+    double ax, double ay, double az,
+    double bx, double by, double bz,
+    double px, double py, double pz) {
+    return ConicSweep(length, topRadius, bottomRadius).depth(
+      Vector3D(ax, ay, az), Vector3D(bx, by, bz), Vector3D(px, py, pz));
+  }
+
+  EMSCRIPTEN_KEEPALIVE double camotics_spheroid_depth(
+    double radius, double length,
+    double ax, double ay, double az,
+    double bx, double by, double bz,
+    double px, double py, double pz) {
+    return SpheroidSweep(radius, length).depth(
+      Vector3D(ax, ay, az), Vector3D(bx, by, bz), Vector3D(px, py, pz));
+  }
+
+  EMSCRIPTEN_KEEPALIVE int camotics_conic_bbox_count(
+    double length, double topRadius, double bottomRadius,
+    double ax, double ay, double az,
+    double bx, double by, double bz,
+    double tolerance) {
+    std::vector<Rectangle3D> bounds;
+    ConicSweep(length, topRadius, bottomRadius).getBBoxes(
+      Vector3D(ax, ay, az), Vector3D(bx, by, bz), bounds, tolerance);
+    return bounds.size();
+  }
+}