作業六: 應用 Mouse-paint

Size 300 300
Paper 10
Forever
{
set [mouse 1 mouse 2] mouse 3
}

paper 50
size 400 400
forever
{

set H
set V

pen ( 50 + ( ( (100-) /100) * ( ( - ) /4) ) )


line (H-20) (V-50) (H+50) (V-50)


}