Checkout the wave demo I just posted.
http://www.blitzbasic.com/bbs/posts.php?topic=25422
Change the line in the update function
h#=Sin(w\wavedensity*x+move/w\wavespeed)
and you have simple flag movement.
http://www.blitzbasic.com/bbs/posts.php?topic=25422
Change the line in the update function
h#=Sin(w\wavedensity*x+move/w\wavespeed)
and you have simple flag movement.