Function ToCAPI

dotnet/CAPI/src/NurbsSurface_CAPI.cpp:44–69

}

static LN_NurbsSurface_C ToCAPI(const LN_NurbsSurface& s) {
	g_knot_u_buffer = s.KnotVectorU;
	g_knot_v_buffer = s.KnotVectorV;
	g_cp_2d_buffer = s.ControlPoints;
	int rows = static_cast<int>(g_cp_2d_buffer.size());
	int cols = rows > 0 ? static_cast<int>(g_cp_2d_buffer[0].size()) : 0;
	g_cp_flat_buffer.clear();
	g_cp_flat_buffer.reserve(rows * cols);
	for (int i = 0; i < rows; ++i) {
		for (int j = 0; j < cols; ++j) {
			g_cp_flat_buffer.push_back(g_cp_2d_buffer[i][j]);
		}
	}

	LN_NurbsSurface_C c;
	c.degree_u = s.DegreeU;
	c.degree_v = s.DegreeV;
	c.knot_vector_u = g_knot_u_buffer.data();
	c.knot_vector_count_u = static_cast<int>(g_knot_u_buffer.size());
	c.knot_vector_v = g_knot_v_buffer.data();
	c.knot_vector_count_v = static_cast<int>(g_knot_v_buffer.size());
	c.control_points = reinterpret_cast<const XYZW_C*>(g_cp_flat_buffer.data());
	c.cp_rows = rows;
	c.cp_cols = cols;
	return c;
}

XYZ_C LNLIB_NURBSSUR_get_point_on_surface(LN_NurbsSurface_C surface, UV_C uv) {
	return FromXYZ(NurbsSurface::GetPointOnSurface(FromCAPI(surface), ToUV(uv)));