rockptr->dy = -weighted_rnd_range(rmin[i], rmax[i]) + screendy;
break;
case TOP:
rockptr->x = rnd()*(XSIZE + rockptr->image->w);
rockptr->y = -rockptr->image->h;
rockptr->dy = -weighted_rnd_range(rmin[i], rmax[i]) + screendy;
break;
case TOP:
rockptr->x = rnd()*(XSIZE + rockptr->image->w);
rockptr->y = -rockptr->image->h;