public void setHumidity(Point pnt, double hum) {
		Tile t = TILES.get(pnt);
		if (t != null) {
			float humF = (float) hum;
			t.humidity = Math.round(humF*MyzoGEN.HUMIDITY_RANGE);
		} else {
			System.out.println("Tile at "+pnt+" not found.");
			return;
		}
	}