pub unsafe extern "C" fn manifold_polygons_get_point(
ps: *mut ManifoldPolygons,
simple_idx: c_int,
pt_idx: c_int,
) -> ManifoldVec2
pub unsafe extern "C" fn manifold_polygons_get_point(
ps: *mut ManifoldPolygons,
simple_idx: c_int,
pt_idx: c_int,
) -> ManifoldVec2