Relate a 10 point polygon to the position of the mouse.

#
# it was interesting how, given a shape, the user can decorate
# it with the mouse.  notice how the lighter lines mirror the 
# shape of the darker polygon.

g.paper(0)

while 1:
 g.pen(30)
 g.line(20, g.getMouse(1), 10, 50)
 g.line(80, g.getMouse(1), 90, 50)
 g.line(20, g.getMouse(2), 80, g.getMouse(2))
 g.pen(100)
 g.line(20, 70, 80, 70)
 g.line(20, 30, 80, 30)
 g.line(20, 70, 20, 60)
 g.line(20, 30, 20, 40)
 g.line(80, 70, 80, 60)
 g.line(80, 30, 80, 40)
 g.line(20, 60, 10, 50)
 g.line(10, 50, 20, 40)
 g.line(80, 60, 90, 50)
 g.line(90, 50, 80, 40)