ACTION clip_models
{
   my.shadow = off;//casts a shadow
   my.gravity = off;//gravity off or your tree might float away
   wait(1);
   while(1)
      {
      if(my.clipped != on && vec_dist(my.x,player.x) <= 500)
      {
         my.visible = off;
      } else
      {
         my.visible = on;
      }
      wait(1);
   }
}