作業5:時間的流動

size 200 200
paper 10
fast
repeat c 0 100{ repeat x 0 -200 { //paper 10 pen ((%10)*10) ((%20)*5) line 60 100 0 x line 50 100 x 200 line 30 50 200 (200-x) line 100 60 (200-x) 0 refresh }
refresh}