dev_open_window (0, 0, 512, 512, 『black』, windowhandle)
dev_set_color (『red』)
gen_region_points (region, 100, 100)
get_region_points (region, rows, columns)
disp_line (windowhandle, rows, columns, 64, 64)
*生成直線0和直線3
gen_region_line (regionlines, 100, 50, 150, 250)
gen_region_line (regionlines3, 45, 150, 125, 225)
*獲取直線0的位置
get_region_points (regionlines, rows2, columns2)
*生成直線1
gen_region_line (regionlines1, rows, columns, 150, 130)
*獲取直線0和1的交點
intersection (regionlines, regionlines1, regionintersection)
get_region_points (regionintersection, rows1, columns1)
line_orientation (rows, columns, rows1, columns1, phi)
gen_region_line (regionlines2, rows, columns, rows1, columns1)
orientation_region (regionlines2, phi1)
line_position (rows, columns, rows1, columns1, rowcenter, colcenter, length, phi2)
*計算點到點的距離
distance_pp (rows, columns, rows1, columns1, distance)
*計算點到直線的距離
distance_pl (200, 200, rows, columns, rows1, columns1, distance1)
*計算區域到區域的距離
distance_rr_min (regionlines2, regionlines3, mindistance, row1, column1, row2, column2)
*計算直線到區域的距離
distance_lr (regionlines2, row1, column1, 230, 340, distancemin, distancemax)
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