- sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS)).in_color (255, 0, 0));
- sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS)).in_color (0, 255, 0));
+ Stencil up
+ = Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS));
+ Stencil down
+ = Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS));
+ sys_stencil.add_stencil (up.in_color (255, 0, 0));
+ sys_stencil.add_stencil (down.in_color (0, 255, 0));