question: private boolean itera_connect ( PlaPointInt p_from_point , PlaPointInt p_to_point ) { ArrayList < PlaPointInt > corners = angled_connection ( p_from_point , p_to_point ) ; boolean connection_succeeded = true ; for ( int index = 1 ; index < corners . size ( ) ; ++ index ) { PlaPointInt from_corner = corners . get ( index - 1 ) ; PlaPointInt to_corner = corners . get ( index ) ; TimeLimit time_limit = new TimeLimit ( s_CHECK_FORCED_TRACE_TIME_MAX ) ; while ( ! from_corner . equals ( to_corner ) ) { PlaPointInt curr_ok_point = r_board . insert_trace ( from_corner , to_corner , pen_half_width_arr [ layer_active_no ] , layer_active_no , net_nos , clearance_class , max_shove_trace_recursion_depth , max_shove_via_recursion_depth , max_spring_over_recursion_depth , itera_settings . trace_pullt_min_move , ! is_stitch_mode , time_limit ) ; if ( curr_ok_point == null ) { r_board . undo ( null ) ; return true ; } if ( curr_ok_point . equals ( from_corner ) && itera_settings . is_automatic_neckdown ( ) ) { curr_ok_point = try_neckdown_at_end ( from_corner , to_corner ) ; } if ( curr_ok_point . equals ( from_corner ) ) { prev_corner = from_corner ; connection_succeeded = false ; break ; } from_corner = curr_ok_point ; } } return connection_succeeded ; }
target:  Tries to make a trace connection from p_from_point to p_to_point according to the angle restriction. 