Class SectorShape

Corner radius of sector

clockwise, from inside to outside, four corners are inner start -> inner end outer start -> outer end

5 => [5, 5, 5, 5] [5] => [5, 5, 0, 0] [5, 10] => [5, 5, 10, 10] [5, 10, 15] => [5, 10, 15, 15] [5, 10, 15, 20] => [5, 10, 15, 20]