from math import * from draw_line import * from time import * dir=0 x,y=50,0 while True: fill_rect(0,0,320,222,'white') drawLine(80,111,80+x,111+y,'black','white',True) drawLine(240,111,240+x,111+y,'black','white') x,y=cos(dir)*x+-sin(dir)*y,sin(dir)*x+cos(dir)*y dir+=pi/2000 sleep(0.1)