public Sprite create(Owner owner, Resource res, Message sdt) {
	    GaussianPlant spr = new GaussianPlant(owner, res);
	    spr.addnegative();
	    Random rnd = owner.mkrandoom();
	    for(int i = 0; i < num; i++) {
		Coord c = neg.bc.add(rnd.nextInt(neg.bs.x), rnd.nextInt(neg.bs.y));
		Tex s = strands[rnd.nextInt(strands.length)];
		spr.add(s, 0, MapView.m2s(c), new Coord(s.sz().x / 2, s.sz().y).inv());
	    }
	    return(spr);
	}