// Otware script library, http://www.thegreat.free-online.co.uk/scripts.html
{
  var xoff,yoff;
  xoff = x - (view_left + view_width/2);   // offset from the view center
  yoff = y - ystart;                       // offset from start position
  x += xoff * 0.015;                 // Play with these values
  y += 0.2 + yoff * 0.02;
}