const int y_min_prod = 9;

								const int y_max_prod = 8 + h_prod;

								rad = FindCatchmentRadius(st);

								x_dist = min(w_cur - x_min_prod, x_max_prod - w_cur);

								if (w_cur < x_min_prod) {

									x_dist = x_min_prod - w_cur;

								} else if (w_cur > x_max_prod) {

									x_dist = w_cur - x_max_prod;

								}